姫路エコテック List of Products and Services

The Himeji Ecotech plate-type heat exchanger chemical cleaning system is a chemical cleaning system developed in collaboration with a major power company, featuring two processes: "chemical cleaning" and "blow cleaning." By frequently performing chemical cleaning, cost-effectiveness is improved, and blow cleaning allows for the removal of foreign substances that cannot be addressed by anti-fouling technology without opening the heat exchanger. 【Features】 ■ No risk of gasket deterioration, damage, or leaks ■ Significantly reduced downtime for the equipment ■ Increased frequency of chemical cleaning can enhance cost-effectiveness ■ Contaminants are removed during construction, using environmentally considerate methods *For more details, please refer to the PDF document or feel free to contact us.

• Contract Inspection
• Other water treatment equipment
• Other cleaning machines

※Free cleaning test currently underway! 【Cleaning of tube-type heat exchangers】 Mechanical cleaning can remove hard scale deposits inside the tubes. 【Maintenance service for plate-type heat exchangers】 Disassembly and maintenance of plate-type heat exchangers will be carried out at our partner maintenance factory. We perform maintenance equivalent to that of the manufacturer, but by using equivalent gaskets, we can offer a reasonable service. *For more details, please download the PDF or feel free to contact us. *If you wish to request a cleaning test for the heat exchanger, please contact us.

• Heat exchanger

Plate heat exchangers need to have their gaskets replaced regularly, but opening and cleaning the heat exchanger on-site, as well as replacing the gaskets, requires a significant amount of effort. If you entrust us with the entire heat exchanger or just the plates, we will handle everything from cleaning to gasket replacement on your behalf. The gaskets we offer are equivalent products, making them very reasonably priced compared to genuine ones. 【Process for Factory Maintenance】 ■ Incoming Inspection ■ Gasket Removal ■ Chemical Bath Immersion ■ High-Pressure Water Cleaning, etc. Before consulting the manufacturer, please feel free to contact us first! We also sell equivalent gaskets, so don’t hesitate to reach out. *For more details, please refer to the PDF document or feel free to contact us.

• Other contract services
• Heat exchanger
• Other cleaning machines

The "small tube cleaning work" is a project aimed at improving the heat exchange function and reliability by cleaning the small tubes of the condenser in power plants. The small tubes of the seawater cooling system in power plants not only experience a decrease in heat exchange rate due to slime, purple mussels, and barnacles, but also cause pinholes in the tubes due to the attachment of marine organisms, erosion from changes in flow velocity, and deposit attacks occurring in the surrounding area. Unfortunately, routine cleaning with sponge balls and backwashing alone cannot completely remove the attached organisms. Thorough cleaning is necessary during regular inspections. In our small tube cleaning work, we remove dirt using "bullet cleaning," as well as "spin brushing" and "hydrobit cleaning." We also recommend "small tube inspection." 【Small Tube Cleaning Work】 ■ Bullet Cleaning ■ Spin Brushing ■ Hydrobit Cleaning ■ Small Tube Inspection *For more details, please refer to the PDF materials or feel free to contact us.

• Other cleaning machines

**Cleaning of Plate Heat Exchangers** Cleaning is performed both chemically and physically through two processes: chemical cleaning and blow cleaning. Since the plates are not disassembled, the construction period is short, and there is no risk of gasket deterioration or damage. **Cleaning of Tube Heat Exchangers** We perform "bullet cleaning" by injecting a cleaner into the small tubes and pushing it out with water pressure. A scraper-type cleaner is used for hard scale, while a brush-type cleaner is used for soft scale. Stubborn dirt is physically pushed out. We can clean not only heat exchangers but also pipes ranging from small to large diameters (50φ to 500φ). You can view examples of before-and-after cleaning results in the PDF download. *For more details, please download the PDF or feel free to contact us.* *If you wish to test the chemical cleaning of plate heat exchangers, please contact us.*

• Heat exchanger

The "Mitti Mouse Cleaning Machine" is a handheld cleaning device that performs powerful mechanical cleaning of the inner surfaces of heat exchanger tubes. The tube sizes that can be cleaned range from an inner diameter of 8mm to 125mm. It can remove blockages of dirt and precipitated hard silica scale (calcium carbonate) from the inner surfaces of tubes without the need for large cleaning machines. 【Features】 ■ Four types of rods that can be selected according to tube size ■ An inline type oiler is included with the air hose, allowing direct connection to the air piping instead of a lubricator ■ Removes blockages of dirt and precipitated hard scale from the inner surfaces of tubes without the need for large cleaning machines ■ Less likely to damage tubes compared to jet cleaning *For more details, please refer to the PDF document or feel free to contact us.

• Other cleaning machines

"Spin brushing cleaning" is a mechanical cleaning method that removes scale from the inner surface of small tubes using a flexible wire shaft. The cleaning device is very compact and does not require a large space like a jet vehicle. Various cleaning tools can be attached to the tip of the shaft, and cleaning water is sprayed from the center of the shaft, while the cleaning tools rotate to remove dirt from the inner surface of the small tubes through friction. [Features] - Compatible with heat exchangers with small inner diameters (φ6.4mm and above) - Capable of cleaning U-shaped sections - Reduces wastewater treatment volume - Less likely to damage tubes compared to jet cleaning *For more details, please refer to the PDF document or feel free to contact us.

• Other cleaning machines

The condenser's small tubes are exposed to corrosive and dirty environments. To improve these conditions, it is necessary to review the operation of the condenser, but the operational methods vary depending on the water intake conditions and equipment. In the "Model Condenser Test," we will set various operational methods in advance to investigate and propose the appropriate operational methods. [Water Flow Conditions] ■ Iron ions: concentration, time, frequency ■ Ball cleaning: type, number of cleanings, frequency ■ Chlorine injection: concentration, time *For more details, please refer to the PDF document or feel free to contact us.

• Other services
• Capacitor

We offer a "Leak Detection Service for Condenser Cooling Pipes." The detection work is carried out while operating the condenser in a single-ended mode, and the pressure regulating valve is opened for about 10 seconds to disperse helium. It is necessary to set up scaffolding in the water chamber on the helium dispersion side. Inspections can be conducted for purposes such as performance evaluation, investigation of corrosion causes, confirmation of cleaning effects, and verification of operational conditions, as well as performance comparison of various pipe materials. 【Example of Implementation】 ■ Number of cooling pipes: Approximately 6,500 (per water chamber) ■ Required time: 2 to 3 hours ■ Number of detected leaking pipes: 1 *For more details, please refer to the PDF document or feel free to contact us.

• Contract Inspection

The inner surface of the small tubes of copper alloy heat exchangers using seawater as cooling water needs to have a protective film formed to improve corrosion resistance. Generally, a method is adopted where iron ions are injected into the cooling water to form a protective film of iron hydroxide on the surface of the small tubes. However, excessive injection of iron ions can lead to a decrease in thermal efficiency, while insufficient injection of iron ions cannot achieve adequate corrosion resistance. Therefore, our company conducts monitoring surveys to confirm that an appropriate initial iron film has been formed. [Method] - A bypass line is installed on the piping at the outlet side of the condenser of the circulating water pipe, and a sample tube is attached. - Seawater is passed through the bypass line simultaneously with the startup of the circulating water pump. - Regular measurements of polarization resistance and visual observations are conducted to assess the status of iron film formation. *For more details, please refer to the PDF document or feel free to contact us.

• Other environmental equipment
• Other contract services

Our company has jointly developed a cleaning system with a major power company that incorporates two processes: "chemical cleaning" and "blow cleaning." This system eliminates the need to disassemble the plates, thereby reducing the downtime of the equipment compared to conventional cleaning methods. By frequently performing chemical cleaning, we achieve a high cost-effectiveness, and by conducting blow cleaning, we can remove foreign substances that cannot be addressed by anti-fouling technology without opening the heat exchanger. 【Features】 ■ The downtime of the equipment is shorter than that of conventional cleaning methods. ■ Frequent chemical cleaning increases cost-effectiveness. ■ There is no risk of gasket deterioration, damage, or leaks. ■ Contaminants are removed during construction, using methods that consider the water environment. ■ Foreign substances that cannot be addressed by anti-fouling technology can be removed without opening the heat exchanger. * We will propose suitable cleaning agents and methods for your situation through a free cleaning test. * For more details, please refer to the PDF document or feel free to contact us.

• Contract Inspection
• Other water treatment equipment
• Other cleaning machines

Our company has entered into a dealership agreement with Conco Services, which holds a significant market share in the United States for the cleaning of heat exchanger tubes, and we are introducing the Conco system aimed at removing tough deposits from heat exchanger tubes. We provide total management from the sale of cleaners to cleaning construction and measuring tube contamination, helping to reduce costs. 【Features】 ■ The cleaner is inserted into the tube and pushed out with water pressure to clean the tube. ■ The scraper-type cleaner removes hard scale and stubbornly attached marine organisms. ■ The H-brush type cleaner is suitable for removing soft scale. *For more details, please download the PDF or feel free to contact us.

• Contract Inspection
• others