松下環境産業 List of Products and Services

It was delivered for the supply of blast furnace slag powder and Portland powder to the recycled cement manufacturing line. The photo shows the equipment after more than 20 years since delivery. It is currently in operation thanks to regular maintenance on-site and several repairs and servicing at our designated factory! *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

It was delivered as an activated carbon supply system for the removal of harmful gases. We introduced a direct connection small-type model that is space-saving and cost-effective compared to conventional slat valves. This model maintains the high sealing performance of slat valves while keeping manufacturing costs low. *For more details, please download the PDF or feel free to contact us.*

• Powder Supply Device

This product is a slat valve shaped like a horizontal rotary valve. Instead of supplying powder by rotating blades like a rotary valve, it features plates that rotate coaxially up and down, allowing the powder that enters through the opening of the upper rotating plate to exit through the opening of the lower rotating plate. By providing openings at positions directly opposite each other on the upper and lower rotating plates, it ensures both metering and airtightness. In particular, the airtightness is significantly higher than that of a rotary valve. 【Features】 ■ High sealing performance (minimal powder leakage) ■ Strong in pneumatic transport of powders (especially when air transporting powders to the next process) ■ Long lifespan (some customers have used it for over 40 years while performing repairs) *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

We delivered one slat valve as an alternative to a customer who was struggling with powder blow-up due to air transport pressure, even with a two-stage rotary valve. They are very pleased, stating that even with just one unit, the sealing performance is excellent, and the blow-up has almost disappeared! *The attached catalog "From Rotary Valve to Slat Valve" contains detailed information before and after the replacement. Please be sure to download it!

• Powder Supply Device

The "Slat Valve" is a bulk material supply device that contributes to improving the working environment at installation sites due to its high sealing capability, which minimizes the leakage of powder and granules. Additionally, it exhibits stable cutting performance with minimal performance degradation due to pressure. It also features reduced impact on transport pressure during pneumatic transport of bulk materials and has less flushing. With a durable and long-lasting design, it allows for reduced running costs. There are many cases where it has been used for over 30 years, with the longest usage starting in 1982, and an update scheduled for 2025, demonstrating a record of 43 years of use. We also have comparison tables with various quantitative supply devices, which you can use as a reference for your introduction considerations. 【Features】 ■ Outstanding sealing capability and excellent quantitativeness ■ Capable of continuous operation for long periods even with highly abrasive bulk materials ■ Supports small quantity cutting of bulk materials (Slat Valve small quantity cutting type) ■ Air cleaning function suppresses the adhesion of bulk materials inside the casing *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

Our company's slat valve features a unique internal structure compared to other volumetric feeders. Instead of dropping powder through the rotation of the valve, it supplies powder through the rotation of upper and lower circular plates with holes. Therefore, we have received feedback that it is difficult to understand how it operates just from illustrations and descriptions. In another product information, we have published images of the actual test operation, but due to the characteristics of the product, it is challenging to capture images of operation using actual powder. This time, we have prepared an animation to help you grasp the concept of slat valve operation. Please take a look at the video to see the unique operation method of the slat valve. *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

This is an introduction to the case of supplying the "Slat Valve" handled by Matsushita Environmental Industry Co., Ltd. to a clean center (waste treatment facility). *The photo shows the machine delivered over 20 years ago. It is still functioning well and operating actively while being maintained! We have delivered numerous units across various municipalities nationwide as a chemical supply device for HCl, SOx, and dioxin removal measures. This product is supplied from the upper and lower valve plates by the self-weight drop of the powder, and all is discharged from the lower valve plate, resulting in high accuracy in measurement. 【Slat Valve Features】 ■ A shape similar to a vertical rotary valve ■ The rotor is fixed and does not rotate (does not mix the powder) ■ The upper and lower valve plates rotate coaxially, allowing powder to enter and be discharged in a measured amount *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

Our company's slat valve has a unique internal structure compared to other metering devices. Therefore, we have received feedback that it is difficult to understand how it operates just from diagrams and descriptions. This time, we have prepared test operation images of the actual slat valve [standard type]. *The images are from the outlet side (bottom side). Please take a look at the video to see the unique operating method of the slat valve. *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

Our company's slat valve has a unique internal structure compared to other metering devices. Therefore, we have received feedback that it is difficult to understand how it operates just from diagrams and descriptions. This time, we have prepared test operation images of the actual slat valve [standard type]. Please take a look at the video to see the unique operating method of the slat valve. *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

Our company's slat valve has a unique internal structure compared to other metering devices. Therefore, we have received feedback that it is difficult to understand how it operates just from diagrams and descriptions. This time, we have prepared images of the actual test operation of the slat valve [drive method]. Please take a look at the video to see the unique operating method of the slat valve. *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

Our company's slat valve has a unique internal structure compared to other metering devices. Therefore, we have received feedback that it is difficult to understand how it operates just from diagrams and descriptions. This time, we have prepared test operation images of the slat valve [small type]. Please take a look at the video to see the unique operating method of the slat valve. *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

The "slat valve" is a powder dosing machine with excellent sealing properties. For powder dosing machines, table feeders and rotary valves are commonly used, with various products available from multiple companies. While there are many advantages to the slat valve compared to these, we take pride in its particularly high sealing performance. Additionally, we have numerous delivery records at a powder transport pressure of around 30 kPa. 【Features】 ■ Excellent dosing accuracy ■ Durable structure that is resistant to wear, allowing for long-term operation ■ Capable of forced discharge even for powders with high moisture content or those that tend to stick ■ No flushing occurs even when the powder is fluidized ■ System-specific operation *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

We would like to introduce an example of a slat valve conducted by Matsushita Environmental Industry Co., Ltd. We delivered it to the customer in January 1998. Since then, we have performed a total of nine repairs at intervals of about 2 to 3 years, and although there have been several parts replacements, it is still operating without any issues. While we are certainly grateful for new purchases, we are also very happy as a manufacturer that our products are being used carefully and for a long time. *For more details, please download the PDF (pre-repair inspection, post-repair report) or feel free to contact us.

• valve

We would like to introduce a case of our "Slat Valve," handled by Matsushita Environmental Industry Co., Ltd., delivered to a steel mill. We supplied a high furnace injection fine coal feeding machine (1300A) for the steel mill. This product supplies material through the upper and lower valve plates by the self-weight drop of the powder, and all is discharged from the lower valve plate, resulting in high accuracy. 【Slat Valve Features】 ■ A shape resembling a vertical rotary valve ■ The rotor is fixed and does not rotate (does not mix the powder) ■ The upper and lower valve plates rotate coaxially, allowing powder to enter and be discharged in a controlled manner *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

We would like to introduce a case study of the "slat valve" handled by Matsushita Environmental Industry Co., Ltd. in a public waste treatment facility. We supplied a quicklime and activated carbon quantitative supply system. This product remains closed at all times except when powder is entering or exiting, and flushing rarely occurs. 【Slat Valve Features】 - A shape resembling a vertical rotary valve - The rotor is fixed and does not rotate (does not mix the powder) - The upper and lower valve plates rotate coaxially, allowing powder to enter and exit quantitatively *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

We would like to introduce a case study of the "slat valve" handled by Matsushita Environmental Industry Co., Ltd. for air transport applications. We supplied products for air transport air locks. This product has a flat gap between the upper and lower valve plates and the casing (rotor) that is only on two sides, resulting in very low air leakage, with a proven performance of 30 kPa in air transport. 【Slat Valve Features】 - A shape resembling a vertical rotary valve - The rotor is fixed and does not rotate (does not mix the powder) - The upper and lower valve plates rotate coaxially, allowing powder to enter and a fixed amount to exit *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

We would like to introduce a case study of the "Slat Valve" handled by Matsushita Environmental Industry Co., Ltd. We delivered a complete set of equipment for transporting chemical air in a private factory, from the storage tank to the control panel. This product allows powder to move from top to bottom under gravity, and since there is no movement of the powder within the valve, it is less likely for powder to adhere to the valve. 【Slat Valve Features】 ■ A shape similar to a vertical rotary valve ■ The rotor is fixed and does not rotate (does not mix the powder) ■ The upper and lower valve plates rotate coaxially, allowing powder to enter and exit in a controlled manner *For more details, please refer to the PDF document or feel free to contact us.

• Powder Supply Device

We would like to introduce a case of delivering the "Slat Valve," handled by Matsushita Environmental Industry Co., Ltd., to a cement factory. We supplied a product for the quantitative supply of fly ash for cement factories. This product is a powder quantitative feeder that delivers a nearly constant amount of various powders per unit of time. 【Slat Valve Features】 ■ A shape similar to a vertical rotary valve ■ The rotor is fixed and does not rotate (does not mix the powder) ■ The upper and lower valve plates rotate coaxially, allowing powder to enter and be discharged in a measured amount *For more details, please download the PDF or feel free to contact us.

• Powder Supply Device

The powder quantitative feeder "Slat Valve" is a machine that delivers a nearly constant amount of various powders per unit of time. It has excellent sealing properties, with a proven performance of 30 kPa in air transport. The powder moves downward by gravity, and since there is no movement of powder within the valve, it is designed to minimize adhesion to the valve. 【Features】 ■ Outstanding sealing performance with a proven record of 30 kPa in air transport! ■ Excellent metering, with discharge amount proportional to rotation ■ Special wear-resistant design allows for long hours of continuous operation ■ No concerns about jamming even with large particles *We also have extensive delivery records in cement-related, steel, and plant industries. For more details, please download the PDF or feel free to contact us.

• Granulating Equipment