広洋技研 Product Lineup

In the water treatment industry, efficient calcium removal is required. Particularly in leachate treatment, calcium can lead to pipe blockages and hinder biological treatment, making proper dissolution of soda ash important. Insufficient dissolution of soda ash can result in decreased treatment efficiency and equipment deterioration. Our soda ash automatic continuous dissolution device, the 'PAF-2 series', employs a proportional injection method to maintain a constant dissolution concentration, enabling efficient calcium removal. 【Application Scenarios】 - Leachate treatment at landfill sites - Various water treatment plants - Processes requiring calcium removal 【Benefits of Implementation】 - Efficient calcium removal due to stable dissolution concentration - Reduced risk of pipe blockages and biological treatment inhibition - Improved operational efficiency through compatibility with bulk bags and tankers

• Other water treatment equipment

The "PAF-2 Series" is a device used for dissolving soda ash for calcium removal in the treatment of leachate at landfill sites. In the initial stage, coagulation reactions are performed to remove calcium. If this calcium removal is not carried out, issues such as clogging of downstream piping and reduced biological treatment efficiency may occur, but this device solves those problems. This device adopts a proportional injection method, maintaining a constant designated dissolution concentration and performing automatic continuous dissolution. 【Features】 ■ Supply Unit - Easy concentration adjustment, easy maintenance, visual confirmation of powder feeding state, simple structure ■ Dust Control: Minimizes the chemicals that spray out from the tank lid ■ The proportional injection method allows for maintaining a constant dissolution concentration ■ No undissolved material, with sedimentation prevention control implemented ■ Compatible with both bulk bag and tanker loading methods *For more details, please download the PDF or feel free to contact us.

• Other water treatment equipment

In the field of factory wastewater, with the strengthening of environmental regulations, water quality management and reduction of environmental impact have become important issues. In particular, the removal of suspended solids and organic matter from wastewater is essential for preventing water pollution. If appropriate filtration treatment is not conducted, there is a risk of exceeding wastewater standards, which could lead to fines or operational suspension. Additionally, consideration for the environment is increasingly recognized as a corporate social responsibility. Reach filters utilize fine bubble technology to achieve efficient filtration and ensure stable water quality. Furthermore, they contribute to the reduction of industrial waste by eliminating the need for media replacement, thereby reducing environmental impact. 【Usage Scenarios】 - Factory wastewater treatment - Improvement of wastewater quality - Reduction of environmental impact 【Benefits of Implementation】 - Stable water quality - Cost reduction - Zero industrial waste - Contribution to the SDGs

• Filtration Equipment

In the wastewater treatment industry, efficient water quality management and cost reduction are required. In particular, ensuring stable water quality of treated water is essential for balancing environmental conservation and business continuity. Conventional sand filtration systems face challenges such as water quality deterioration due to the generation of mud balls and increased costs from frequent media replacement. Our "Reach Filter" utilizes the power of fine bubbles to clean the media, achieving stable water quality. 【Usage Scenarios】 - Final treatment at wastewater treatment plants - Reuse at wastewater treatment facilities - Streamlining water quality management 【Benefits of Implementation】 - Ensuring stable treated water quality - Cost reduction through decreased frequency of media replacement - Contribution to SDGs (reduction of CO2 and waste)

• Filtration Equipment

In the hot spring industry, it is essential to maintain a consistently stable water quality and provide customers with a comfortable bathing experience. In particular, issues such as the occurrence of Legionella bacteria, the accumulation of scale, and pipe blockages pose significant challenges to the operation of hot spring facilities. The Reach Filter cleans the filtration media using the power of fine bubbles, addressing these problems. 【Usage Scenarios】 - Hot spring facilities - Outdoor baths - Circulating filtration systems 【Benefits of Implementation】 - Maintenance of stable water quality - Measures against Legionella bacteria - Protection of piping - Cost reduction

• Filtration Equipment

In the beverage manufacturing industry, the stability of water quality, which affects product quality, is crucial. In particular, issues such as foreign matter contamination, odors, and color can not only diminish the value of the product but also potentially impact consumer health. Reach filters utilize the power of fine bubbles to clean the filtration media, achieving stable water quality. 【Application Scenarios】 - Filtration of source water and manufacturing water in beverage production - Improvement of product quality - Streamlining of manufacturing processes 【Benefits of Implementation】 - Assurance of stable water quality - Cost reduction (no need for media replacement) - Contribution to SDGs (CO2 reduction, zero waste)

• Filtration Equipment

The "Reach Filter" is a sand filtration device that filters using gravity-driven downward flow. Through a unique method, it thoroughly cleans the filtration media with ultra-fine bubbles generated within the device and a double washing with water, removing dirt attached to the surface of the sand. In addition to stable treated water quality and cost reduction, it also achieves reduced environmental impact through a system that generates no waste. 【Features】 ■ No need for media replacement (5-year warranty) ■ Generation of fine bubbles ■ No need for backwash tank ■ Stable treated water quality ■ Zero industrial waste *For more details, please download the PDF or feel free to contact us.

• Filtration Equipment

The product is a sand filtration device that plays an important role in the removal of SS (suspended solids) in the finishing process of water treatment. Koyo Giken's Reach Filter uses a unique method to thoroughly wash the filter media with ultra-fine bubbles generated within the device and a double washing with water, removing even the dirt adhered to the surface of the sand. In addition to stable treated water quality and cost reduction, the system does not produce waste, achieving a reduction in environmental impact. Customers can contribute to the promotion of SDGs while enjoying smooth water treatment operations with the Reach Filter. 【Features】 ■ Stable treated water quality ■ Zero industrial waste ■ No need for filter media replacement, 5-year warranty (conditions apply) ■ Powerful cleaning capability of fine bubbles (certified by the Fine Bubble Industry Association) ■ Significant cost reduction possible *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment

The activated carbon adsorption device "Reach Filter" solves the problem of activated carbon solidification due to inadequate cleaning through a dual cleaning process using cleaning water and microbubbles, enabling long-term maintenance of activated carbon performance. By reducing the frequency of activated carbon replacement, it significantly lowers running costs such as filter replacement expenses and industrial waste disposal fees. It is capable of handling a wide range of water treatment applications, from manufacturing water to factory wastewater, as well as drinking water and sewage. 【Features】 ■ Contributes to CO2 reduction ■ Extends the lifespan of activated carbon replacements ■ There are cases where the lifespan of activated carbon used in food company clean water treatment facilities has been tripled (from 1 year to 3 years) ■ Unique cleaning allows effective utilization of micro and sub-micro pores inside the activated carbon ■ Compact design considering installation space ★ You can view product materials with cost reduction case studies and a collection of installation examples of sand filtration systems that include this product by downloading the PDF. (For more detailed information about cost reduction case studies, please contact us) *If you submit the "model selection sheet" included in the product materials, we will propose specifications that meet your requirements.

• Filtration Equipment

We developed this device focusing on the issue of "filter media cleaning" that existed in sand filtration systems. Previous devices performed air and water cleaning as separate processes. This device improves the cleaning effect by conducting both processes simultaneously through W cleaning. The cleaning water contains highly effective microbubbles, which have been technically certified by the Fine Bubble Industry Association (FBIA), an organization under the Ministry of Economy, Trade and Industry. The condition of the filter media after cleaning can also be visually confirmed through a large inspection window. 【Features】 ■ Filter media cleaning using microbubbles (NEW!) ■ No need for filter media replacement (5-year warranty) ■ Stable water quality ■ Easy-to-use touch panel ■ Usable without a backwash tank (space-saving) It also contributes to "safe and hygienic water supply," "effective use of natural resources," and "measures against global warming." *You can view comparison materials and case studies from the "PDF Download."

• Filtration Equipment
• filter

The activated carbon adsorption device "Reach Filter" resolves the issue of activated carbon solidification due to inadequate cleaning through dual cleaning with washing water and air bubbles, enabling long-term maintenance of activated carbon performance. It is suitable for a wide range of water treatment applications, from manufacturing water to factory wastewater, and both drinking and sewage water. By reducing the frequency of activated carbon replacement, it contributes to lower running costs and CO2 reduction. Additionally, when used in conjunction with our "sand filtration system," it is possible to supply treated water that meets drinking water quality standards. 【Features】 ■ Reduction of costs and labor through decreased activated carbon replacement work ■ Prevention of activated carbon solidification due to inadequate cleaning ■ Effective utilization of micro and sub-micro pores within the activated carbon through unique cleaning methods ■ Compact design *We are currently offering materials that introduce the cleaning process and representative water treatment processes (sewage treatment facilities / final disposal sites) with diagrams! For more details, please check the download button. Feel free to contact us with any inquiries.

• Filtration Equipment
• filter

The "Reach Filter" is a sand filtration device with a unique structure that features an inclined filtration surface, resulting in minimal mud ball generation even during long-term processing. A large inspection window located at the center of the device allows for monitoring the internal conditions without the need to stop operation during inspections, thus reducing the need for tool-based work. Since sand cleaning can be performed within the device, there is no need for media replacement, making maintenance easy. Its compact design eliminates the need for large installation spaces. ★ The structure of the airlift has been improved (patent pending). This can suppress media solidification and a decrease in filtration efficiency, making maintenance even easier. 【Features】 ■ No media replacement required! 【5-year warranty】 ■ Large inspection window to check the condition of the media and raw water ■ Patent-protected structure to prevent mud ball generation ■ Easy-to-use touch panel ■ Usable without a backwash tank *You can view benefit comparison materials and case studies from the "PDF Download."

• Filtration Equipment
• filter

Koyo Giken is an environmental engineering company that plans, develops, and sells various equipment themed around the irreplaceable water essential for life on Earth. Utilizing our outstanding technology and experience, along with various wisdoms that care for the Earth and nature, we strive to create products that contribute to water activation and water recycling. We are confident that the water treatment equipment we have developed demonstrates excellent performance in building environmental management systems and can significantly contribute to the environmental activities of the ISO 14000 series. 【Business Activities】 ■ Planning, development, design, manufacturing, construction, and sales of water treatment equipment ■ Planning, development, design, manufacturing, construction, and sales of aquaculture-related facilities and equipment ■ All operations incidental to the above *For more details, please download the PDF or feel free to contact us.

• Water treatment equipment
• Other water treatment equipment
• Wastewater/wastewater treatment equipment

At water purification plants, it is essential to appropriately remove turbidity from raw water to ensure a safe supply of drinking water. Particularly in cases where the raw water has high turbidity, uneven dissolution of coagulants and unstable supply can lead to decreased treatment efficiency and increased burden on filtration equipment. Our automatic continuous dissolution system for polymer coagulants contributes to the efficiency of turbidity removal by consistently supplying a stable concentration of chemical solution and dissolved liquid fully automatically. 【Usage Scenarios】 - Turbidity removal at water treatment plants - Raw water treatment at purification plants 【Benefits of Implementation】 - Enables stable water treatment - Improves work efficiency - Optimizes chemical usage

• Other processing machines

By automating tasks that have traditionally been performed manually, we can improve work efficiency. Additionally, we can supply a stable solution.

• Other processing machines

We would like to introduce a case of the filtration system "Reach Filter," which plays an important role in the finishing process of water by removing SS (suspended solids) contained in manufacturing water, factory wastewater, and water treatment such as drinking water and sewage. At a hospital in Sapporo, Hokkaido, it was adopted as a pretreatment for the RO membrane treatment in the "Groundwater Utilization System," providing stable filtered water with high cleaning capability. Additionally, it is designed as a compact unit, saving space. 【Features】 ■ Location: Sapporo City, Hokkaido ■ Application: Pretreatment for RO membrane treatment ■ Filtration Purpose: Turbidity removal, iron removal ■ Source Water Type: Groundwater ■ Model and Treatment Capacity: RFE-500, 500m3/day ■ Filter Media Used: Silica sand *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment
• filter

At a major electric factory in Yamanashi Prefecture, the initial plan was to combine sand filtration and activated carbon filtration. However, by using a single reach filter with a special filtering material that has color removal capabilities, we were able to reduce both initial and running costs. Additionally, due to the high-efficiency cleaning function of the reach filter, we were able to achieve stable treated water quality despite fluctuations in the raw water quality. [Case Study] - Location: Major electric factory in Yamanashi Prefecture - Purpose: Securing cooling water for cooling towers and toilet flushing water - Filtration Objective: Reduction of water supply costs - Type of Raw Water: Groundwater - Model and Treatment Capacity: RFE-500, 500m3/day - Filtering Material Used: Special material for humic color removal *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment
• filter

At an automobile factory in Kanagawa Prefecture, attention has been drawn to the "reach filter" with high cleaning power due to the aging of pressure-type sand filters, and it has been adopted as a safety measure for water treatment. After installation, the operation has been discharging treated water that fully satisfies the initial specifications. Currently, based on the results from the first unit, a second unit has been delivered for on-site recycling. 【Case Study】 ■ Location: Major automobile factory in Kanagawa Prefecture ■ Purpose: Safety and reuse of factory wastewater treatment equipment ■ Filtration Objective: Advanced treatment of wastewater treatment equipment ■ Type of Raw Water: Factory wastewater treatment water ■ Models and Treatment Capacity ・RES-15 750m3/day 1 unit ・RFE-500 500m3/day 1 unit ■ Filter Media Used: Manganese sand *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment

At a major gas company in Chiba Prefecture, the concentration of reducing water varies by area; in low-concentration areas, it is a few mg/L, while in high-concentration areas, it can reach up to 80 mg/L. Conventional sand filtration systems were applied to brine with SS concentrations of approximately 30 mg/L or lower. However, in brine with high SS concentrations, the filter bed became clogged within a short period (a few months), leading to an inability to continue operation (due to insufficient cleaning power). In this situation, by adopting the "Reach Filter," which has a very high filter bed cleaning efficiency, it became completely applicable to brine with high SS concentrations and has been adopted in other high SS concentration areas as needed. [Case Study] ■ Location: Major gas company in Chiba Prefecture ■ Application: Purification of brine in water-soluble gas fields ■ Purpose of filtration: To suppress ground subsidence and maintain the reducing capacity of reducing wells by removing SS from brine ■ Type of raw water: Brine ■ Model and processing capacity: RFE-2000 and others ■ Filter media used: Silica sand *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment
• filter

We would like to introduce a case study of the filtration system "Reach Filter," which plays an important role in the finishing process of water by removing SS (suspended solids) contained in manufacturing water, factory wastewater, and water treatment such as drinking and sewage water. At a major chemical company in Chiba Prefecture, the system was introduced to replace an existing siphon-type sand filter, with the aim of recovering iodine from the brine and returning it underground. The goal is to improve the recovery rate of iodine while maintaining the reduction capacity of the reduction well and suppressing ground subsidence. 【Case Study】 ■ Location: Major chemical company in Chiba Prefecture ■ Application: Purification of brine in a water-soluble gas field ■ Purpose of Filtration: To suppress ground subsidence and maintain the reduction capacity of the reduction well by removing SS from the brine ■ Type of Raw Water: Brine ■ Model and Treatment Capacity: RFE-2000 and others ■ Filter Media Used: Silica sand *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment
• filter

We would like to introduce a case study of the filtration system "Reach Filter," which plays an important role in the finishing process of water by removing SS (suspended solids) contained in manufacturing water, factory wastewater, and water treatment such as drinking water and sewage. At a major chemical plant in Shizuoka Prefecture, by adopting the highly efficient Reach Filter for bed washing, we were able to comply with river discharge standards in response to fluctuations in the quality and quantity of inflow water such as rainwater. 【Case Study】 ■ Location: Major chemical plant in Shizuoka Prefecture ■ Application: SS removal from on-site wastewater and rainwater ■ Purpose of Filtration: Safety (carry-over) measures ■ Type of Raw Water: On-site rainwater and on-site treated wastewater ■ Model and Treatment Capacity: RFE-2500 × 2 units, 5,000 m3/day (maximum) ■ Filter Media Used: Silica sand *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment
• filter

At Sato Food Industry Co., Ltd., headquartered in Niigata Prefecture and known for Sato's rice, we had been using a conventional "pressure filtration system" until now. However, with the expansion of our production facilities, we have adopted a reach filter that has been proven to excel in cleaning efficiency, functionality, installation, maintenance, and economic viability. With this new equipment, we were able to produce higher quality production water by integrating the features of the reach filter into the sand filtration system, in conjunction with an activated carbon filtration system. 【Case Study】 ■ Location: Sato Food Industry Co., Ltd. ■ Application: Purification of industrial water into production water ■ Purpose of Filtration: Improvement of production efficiency and quality through the assurance of high-quality production water ■ Type of Raw Water: Industrial water ■ Equipment and Treatment Capacity: - Sand filtration system (RFE-1500) 1 unit - Activated carbon filtration system (RFC-1500) 1 unit, 1,500m3/day ■ Filter Media Used: Silica sand and granular activated carbon *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment
• filter

At a major dairy factory in Tokyo, rotary filters and cartridge filters had been used for crate cleaning, but severe clogging occurred, leading to leaks of sand and paper fibers, which affected the high-pressure pumps and nozzles, resulting in inadequate cleaning equipment and complaints about crate dirt from retailers. By introducing reach filters, clogging was resolved, allowing for normal crate cleaning, which led to a reduction in maintenance costs for filters and nozzles, industrial water costs, and wastewater costs, as well as an increase in productivity. [Case Study] ■ Location: Major dairy factory in Tokyo ■ Purpose: Reduction of water usage through reuse ■ Filtration Objective: Recovery of crate cleaning machine capacity ■ Source Water Type: Crate cleaning recovery water ■ Model and Treatment Capacity: RF-12 300m3/day ■ Filter Media Used: Silica sand *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment
• filter

At the sewage treatment plant in Gunma Prefecture, treated river water is used for on-site water, and due to unpleasant odors and poor appearance during on-site operations, conventional sand filtration systems were used. However, insufficient cleaning of the sand led to an increase in backwash water, more frequent media replacements, and rising maintenance costs. The introduction of the reach filter has resolved all these issues, and it has been demonstrated through empirical data that it is effective against organic wastewater. [Case Study] ■ Location: Sewage treatment plant in Gunma Prefecture ■ Purpose: Securing on-site water through the reuse of secondary treated water ■ Filtration Objective: Removal of SS and turbidity ■ Type of Raw Water: Activated sludge treated water ■ Model and Treatment Capacity: RF-12 300m3/day ■ Filter Media Used: Silica sand *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment
• filter

We would like to introduce a case of the filtration system "Reach Filter," which plays an important role in the finishing process of water by removing SS (suspended solids) contained in manufacturing water, factory wastewater, and water treatment such as drinking water and sewage. A high-capacity Reach Filter has been adopted for the pretreatment of RO membrane treatment for hot spring water for hotel customers, in order to respond to fluctuations in SS values, providing stable hot spring water. 【Case Study】 ■Industry: Hotel Industry ■Location: Tokyo ■Application: Pretreatment for RO membrane treatment ■Filtration Purpose: SS removal, iron removal ■Source Water Type: Hot spring water ■Model and Treatment Capacity: RFE-200 200m3/day ■Filter Media Used: Silica sand *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment
• filter

The "Reach Filter Delivery Implementation Example Collection" features case studies on the introduction of the sand filtration machine "Reach Filter," which plays a crucial role in the finishing process of water by removing SS (suspended solids) from manufacturing water, factory wastewater, and water treatment such as drinking water and sewage. The cleaning method for the filter media is a unique approach (patented) that removes dirt adhered to the sand and eliminates the cause of mud ball generation, which has been a long-standing issue. It has also been adopted for ground subsidence countermeasures (reduced water) based on its cleaning capability evaluation. [Featured Cases] - Sewage treatment plant in Gunma Prefecture (government agency) - Major dairy factory in Tokyo - Major electrical factory in Yamanashi Prefecture - Major automobile factory in Kanagawa Prefecture - Major food factory in Niigata Prefecture *Due to the popularity of the sand filtration machine Reach Filter, we are looking for sales agents! For more details, please refer to the PDF materials or feel free to contact us.

• Filtration Equipment
• filter

Our company offers a wire belt type "automatic dust removal machine" that continuously captures and removes large amounts of suspended solids and debris from flowing water in a short time. Made of stainless steel, it exhibits high durability. It is also easy to install, including on-site assembly and setup. 【Features】 《Belt-driven Automatic Dust Removal Machine》 ■ The screen surface is made of a lattice wire belt, providing high strength. ■ The drive unit is located above the water, making maintenance easy. ■ There is minimal risk of foreign objects getting caught, allowing for smooth discharge. 《Automatic Dust Removal Machine for Small Hydropower Generation》 ■ High-speed processing with a screen passing flow rate of approximately 2 m/s. ■ Simultaneous operation of capture and removal contributes to the protection and efficiency of generators. ■ Functions effectively as a dedicated leaf removal machine. *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Dust collector
• Other water treatment equipment

Koyo Giken's "K-3" is an underwater sensor that detects the interface level of sludge in sedimentation tanks of water treatment facilities. It is particularly effective for sludge management to prevent carryover in sedimentation tanks and for the automatic control of process operations, such as efficiently extracting sludge. The interface level is displayed in three stages with lamps, making it easy to understand. 【Features】 ■ Three-stage lamp display for interface level ■ Detection concentration can be set arbitrarily by adjusting the sensor's light emission ■ Output terminals for process control ■ Output terminal for notifying the timing of sensor replacement ■ External signal output from the display panel for unmanned site management *For more details, please refer to the PDF document or feel free to contact us.

• Other water treatment equipment
• Water quality testing
• Other measurement, recording and measuring instruments

The "Net Belt Screen (Safety Filter)" is a safety device suitable for the removal of SS in drainage. It features a sloped screen section with a horizontally extended screen in the upstream waterway. This design ensures that when the water depth in the waterway is shallow, only a portion of the lower end of the screen belt is submerged, reducing the filtration area and significantly decreasing the flow rate, thus resolving traditional issues. Additionally, the screen belt uses a special plastic mesh belt, allowing for the hygienic removal of not only conventional debris but also fish waste, fish scales, and shell fragments in fishery research facilities and fishing ports. 【Features】 - Suitable for SS removal - Sloped screen section with a horizontally extended screen in the upstream waterway - Resolves traditional issues of reduced filtration area and significantly decreased flow rate - Screen belt made of a special plastic mesh belt - Capable of removing fish waste, fish scales, and shell fragments in fishery research facilities and fishing ports *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment

In urban wastewater treatment facilities, efficient sludge management is required. In particular, it is important to automate a series of tasks such as the removal of solids captured by screens, dewatering, and storage, in order to reduce the burden of maintenance. Improper treatment can lead to decreased operational efficiency of the facility and may cause odors and environmental pollution. Our "Belt Conveyor Type Continuous Automatic Screen (with Sludge Dewatering Machine)" addresses these challenges and achieves efficient sludge management. 【Usage Scenarios】 - Urban wastewater treatment facilities - Sludge dewatering processes - Automation of solid removal, dewatering, and storage 【Benefits of Implementation】 - Increased efficiency in sludge management - Easier maintenance - Improved operational efficiency of the facility

• Water treatment equipment
• Other water treatment equipment

The "Belt Conveyor Type Continuous Automatic Screen (with Sludge Dewatering Machine)" is a device that automatically performs a series of tasks from the collection, dewatering, to storage of the sludge captured by the screen. It features an easy-to-handle screen system for transporting the stored sludge, as well as easy maintenance and inspection. Additionally, it is housed in a sealed casing, making it compact. 【Features】 ■ Capable of removing contaminants that may harm water-based treatment ■ Automatically removes and dewaters screen sludge ■ Dewatered sludge can be bagged ■ The device is durable, corrosion-resistant, and compact ■ Easy to manage *For more details, please refer to the PDF document or feel free to contact us.

• Water treatment equipment
• Other water treatment equipment

In power plants, the removal of dust contained in cooling water and wastewater is crucial for stable equipment operation and environmental preservation. Dust not only causes corrosion and performance degradation of equipment but also increases the burden on the environment. Our belt-type automatic dust removal system (wire belt method) efficiently removes dust from flowing water, addressing these challenges. 【Application Scenarios】 - Water intake at power plants - Cooling water circulation systems - Wastewater treatment facilities 【Benefits of Implementation】 - Prolonged equipment lifespan - Reduced environmental impact through improved water quality - Stable operation of power plants

• Water treatment equipment
• Dust collector
• Other water treatment equipment

In the agricultural sector, there is a demand to maintain the quality of harvested products and improve the efficiency of sorting operations. In particular, the removal of soil and foreign substances mixed in with the harvest is a critical issue that affects the value of the products. If these foreign substances remain, they can lead to a decline in product quality and potential problems in subsequent processing stages. Our belt-type automatic dust removal machine continuously removes foreign substances from the water in a short time, contributing to the improvement of harvest quality. 【Usage Scenarios】 - Cleaning process for agricultural products - Pre-treatment before supply to sorting lines - Sorting process for aquatic products 【Benefits of Implementation】 - Reduction of quality decline risk due to foreign substance contamination - Increased efficiency of sorting operations - Enhancement of product added value

• Water treatment equipment
• Dust collector
• Other water treatment equipment

The "Belt-Type Automatic Dust Removal Machine (Wire Belt Type)" is a device that continuously captures and removes a large amount of suspended solids and dust particles from flowing water in a short period of time. The screen surface is composed of a lattice (net-like) wire belt that runs endlessly on guide rails, and it has a mechanism for dust removal using flights on the wire belt to collect solid waste. Additionally, due to the adoption of an inclined head frame, the lifted dust particles can be smoothly discharged into conveyors or other transport devices. 【Features】 ■ Low water head loss (large opening area) ■ Prevents all particles larger than the grid width due to its lattice shape ■ High strength of the screen surface ■ No foreign object entrapment (locking) ■ High lifting capacity due to the continuous lifting method *For more details, please refer to the PDF document or feel free to contact us.

• Water treatment equipment
• Dust collector
• Other water treatment equipment

At wastewater treatment plants, the generation of odors from sludge is a significant challenge. Odors can not only impact the surrounding environment but also adversely affect the health of workers. As a countermeasure against odors, deodorization using powdered activated carbon is effective, but it is crucial to stably supply the appropriate amount of activated carbon. Our "Powdered Activated Carbon Automatic Supply System" provides a stable supply of powdered activated carbon with 50% moisture content, supporting odor control. 【Usage Scenarios】 - Sludge dewatering process - Aeration tank - Final discharge tank 【Benefits of Implementation】 - Odor suppression through the adsorption of odor components - Improvement of water quality - Enhancement of the working environment

• Water treatment equipment
• Other water treatment equipment

At water treatment plants, the removal of unpleasant odors and harmful substances contained in raw water is essential for supplying safe drinking water. Particularly, depending on the condition of the water source, odor components can affect water quality, potentially causing consumer discomfort and health concerns. Powdered activated carbon is known to be an effective means of adsorbing these odor components and chemicals, thereby improving water quality. Our "Powdered Activated Carbon Automatic Supply System" stably supplies powdered activated carbon with 50% moisture content, supporting the removal of odors in water treatment processes. 【Usage Scenarios】 - Raw water treatment at water treatment plants - Advanced water treatment - Water treatment processes requiring odor control 【Benefits of Implementation】 - Improvement of water quality through the removal of odor components - Supply of safe and delicious water - Enhanced reliability of water treatment plants

• Water treatment equipment
• Other water treatment equipment

The "Powdered Activated Carbon Automatic Supply Machine" is a simple yet reliable supply device that uses powdered activated carbon with a moisture content of 50% and automatically supplies a constant required amount continuously. It is equipped with a rotatable rake to prevent the very poorly flowing powdered activated carbon in the hopper from solidifying, compacting, or forming bridges. Additionally, there is a powdered activated carbon supply device at the bottom of the hopper, which supplies the powdered activated carbon, drawn in by the rake, in a sheet form through the clearance of a pair of metering rotors. The powdered activated carbon that adheres to the surface of the metering rotors of the supply device is removed by a scraper, allowing for smooth supply of the powdered activated carbon. 【Features】 ■ A device that supplies powdered activated carbon with a moisture content of 50% ■ Equipped with a rotatable rake to prevent the formation of bridges ■ Supplies powdered activated carbon in a sheet form through the clearance of a pair of metering rotors ■ Powdered activated carbon adhering to the surface of the metering rotors is removed by a scraper *For more details, please refer to the PDF document or feel free to contact us.

• Water treatment equipment
• Other water treatment equipment

In the water purification industry, the removal of harmful chemicals from water is essential for the safe supply of water. In particular, organic substances and chlorinated compounds present in raw water not only worsen the taste and odor of water but also raise health concerns. If proper water purification treatment is not applied, it may increase health risks for consumers. Our granular activated carbon adsorption system has been developed to address these challenges. 【Usage Scenarios】 - Drinking water treatment - Industrial water treatment - Wastewater treatment 【Benefits of Implementation】 - Improvement of water quality - Reduction of running costs - Effective use of resources

• Water treatment equipment

The "Reach Filter" is an activated carbon adsorption device used to remove chemical substances contained in treated water from manufacturing water, factory wastewater, drinking water, and sewage treatment. To demonstrate adsorption performance, the entire activated carbon in the adsorption tank is fluidized and mixed with washing water and bubbles of air for cleaning, allowing for the washing and removal of SS (suspended solids) adhering to the activated carbon, which can then be discharged outside the adsorption tank. Since the adsorption performance of the activated carbon can be maintained for a long time, running costs can be significantly reduced. It can also be utilized as regenerated carbon, making it an environmentally friendly device that effectively uses resources. 【Features】 ■ Improved adsorption efficiency and reuse of activated carbon ■ Reduced running costs and treatment costs for activated carbon ■ Increased work efficiency ■ Reduced ancillary equipment and maintenance management for the device *For more details, please refer to the PDF materials or feel free to contact us.

• Water treatment equipment

The "Reach Filter" is a device that removes SS (suspended solids) contained in wastewater from factories, as well as in drinking water and sewage treatment, playing an important role in the finishing process of water treatment. It cleans the entire sand layer by moving it in three-dimensional directions—up and down, horizontally, and laterally—completely removing the suspended solids captured in the gaps of the sand. Additionally, it performs simultaneous air cleaning while vigorously scrubbing, removing surface dirt. With the capability of complete cleaning, sand replacement is unnecessary even after five years, and the sand remains very clean overall. 【Features】 ■ Removes dirt adhered to the sand surface ■ Prevents the generation of mud balls ■ Easy operation and management with a touch panel monitor ■ The condition of the filter media and raw water can be observed through a large inspection window ■ Cleaning with raw water *For more details, please refer to the PDF document or feel free to contact us.

• Filtration Equipment
• filter

The "Environmental Conservation Equipment Catalog" features products from Koyo Giken that are active in various water treatment sites. It includes a "Polymer Coagulant Dissolution Device" that continuously supplies powdered polymer coagulants, boasting over 7,000 units delivered, as well as a "Belt-Type Automatic Dust Removal Machine" that captures and removes suspended solids in flowing water. We propose a review of water process equipment from industrial water supply to wastewater, contributing to energy savings, cost reduction, and CO2 emissions reduction. *For more details, please download the PDF or feel free to contact us.

• Dust collector
• Water treatment equipment
• Wastewater/wastewater treatment equipment

Local governments and public facilities are promoting the use of renewable energy, and small hydropower generation is gaining attention as part of this initiative. However, generators installed in rivers and waterways face the challenge of reduced power generation efficiency due to debris and fallen leaves in the flowing water. Wire belt screens efficiently remove these solids, contributing to the protection of generators and the improvement of power generation efficiency. 【Usage Scenarios】 - Small hydropower plants in public facilities - Power generation in rivers and waterways - Water areas with a lot of fallen leaves and debris 【Benefits of Implementation】 - Improved power generation efficiency - Reduced risk of generator failure - Stable power supply

• Other water treatment equipment
• Dust collector

In agricultural irrigation, foreign objects (such as fallen leaves and debris) flowing into the water channels can cause clogging of pumps and sprinklers, potentially reducing irrigation efficiency. This can also lead to poor crop growth and decreased yields. Wire belt screens have been developed to address these issues. 【Usage Scenarios】 * Water intake from reservoirs * Water intake from rivers * Installation in irrigation channels 【Benefits of Implementation】 * Prevention of clogging in irrigation equipment * Stable water supply * Promotion of crop growth

• Other water treatment equipment
• Dust collector

The "Wire Belt Screen" is a device that continuously captures and removes a large amount of floating debris and solid materials from flowing water in a short period of time. It excels as a dedicated leaf removal machine, enabling capture and separation that were insufficient with conventional products, thereby protecting generators and improving power generation efficiency. 【Features】 ■ High-speed processing with a screen passing flow rate of 2 m/sec ■ Supports high power generation efficiency with low power consumption ■ Efficiency improvement through simultaneous capture and removal operation ■ The main body and key components are finished in all stainless steel *For more details, please download the PDF or feel free to contact us.

• Other water treatment equipment
• Dust collector

In the seafood processing industry, there is a demand for improved efficiency in solid-liquid separation during wastewater treatment. In particular, the removal of solids generated during the processing of seafood is crucial for preventing water pollution and reducing environmental impact. Manual addition of coagulants can be labor-intensive and may make stable water treatment difficult. Our automatic continuous dissolution device for polymer coagulants contributes to the efficiency of solid-liquid separation by providing a stable supply of polymer coagulants and performing continuous dissolution automatically. 【Usage Scenarios】 - Wastewater treatment in seafood processing plants - Treatment of residues after seafood processing - Wastewater treatment in food factories 【Benefits of Implementation】 - Compliance with wastewater standards through stable water treatment - Reduction of labor costs - Decrease in environmental impact

• Other physicochemical equipment