High-Efficiency Automated Chemical Dosing System for Feed Water Engineering Projects
Complete with Back Pressure Valve, Water Level Gauge & Intelligent Control

Why Choose Longdai?

1. Over a Decade of Expertise: With more than 10 years specializing in wastewater and sludge treatment systems, we deliver reliable, engineered solutions.

2. German Technology Integration: Our adoption of advanced German engineering ensures superior performance and durability compared to conventional manufacturers.

3. Premium Components: We use only high-quality parts from trusted suppliers to guarantee longevity and precision.

4. In-House R&D and Manufacturing: Our dedicated research center and complete production system allow full control over quality and custom solutions.

System Structure

This fully automated dosing system includes:

• Solution tank

• Mixer

• Metering pump

• Y-type filter

• Safety valve

• Back pressure valve

• Check valve

• Pulse damper

• Water level gauge

• Pressure gauge

• Control cabinet

• Installation platform

All components are pre-assembled on a skid-mounted base for quick installation. Simply place the unit in the dosing room, connect the chemical feed line and power supply, and start operation. The system automatically detects fluid pH and doses chemicals accordingly. This integrated approach significantly reduces design and installation workload, enables near-unattended operation, and ensures safety, reliability, and consistent performance.

Technical Parameters

Key Features

• Triple-Tank Continuous Dosing: Integrated design for non-stop operation with easy maintenance.

• Dual Feeding System: Compatible with both dry powder and liquid polymer additives.

• Fully Automated PLC Control: Reduces manual intervention and enhances operational efficiency.

• Precise Dosing Options: Choose between a screw pump or metering pump (standard: screw pump) for accurate, adjustable chemical delivery.

• Compact & Maintenance-Friendly: Base-free design with a streamlined structure for easy access and servicing.

Ideal For: Industrial water treatment, feed water systems, boiler water conditioning, and wastewater treatment projects.

Let us provide you with a tailored dosing solution that fits your project requirements. Contact us today for a detailed proposal!

Reply within 12 hours
Customizable designs based on your parameters and flow charts
Full technical support available

Application

QJY type automatic dosing machine is widely used as auxiliary equipment for municipal water treatment and sewage sludge treatment. It can continuously and efficiently complete the compounding and mixing of polymers to obtain a homogeneous active polymer solution.

Packing and Delivery

1. Waterproof packing with the international export standard by 20ft, 40ft, 40hp container. Equipment Fittings, Electric Motor and Power Cabinet will be packed in Wooden Case or Iron Box. Other Equipment will be packed by Color-Stripes Plastic Cloth.
2. The whole plant machinery size are large as normal, so we will use Waterproof cloth to pack all of them. The motor, gear box or other easily damaged parts, we will put them into box. We have a professional shipping department, they will try their best to save your container quantity.

FAQ:
Q: How Can I Find The Suitable Model?
A: Please Provide Flow Rate, Solids Content And Sludge Type, or directly contact us by the clicking the “contact” icon. We Can Assist You In Model Selection.
Q: Where Is Your Factory Located?
A: Yixing City, We are in the famous city of environmental protection equipment ,professional for Sludge screw press dewatering Machine ,Which Is Very Close To Shanghai With Only Less Than 3 Hours' Driving. Welcome for your visiting.
Q: Do You Provide OEM Service?
A: Yes. We Can Do The Customized Design According To Your Different Request for sludge Dewatering.
Q: How About The Production Capacity Of Your Company?
A: Our Factory Covers Area Over 15,000m² And Produces Machines 2000 Sets Per Year.
Q: How Could We Trust You And Your Company? Is This Your First Time Transaction?
A: A: Our Company Has More Than 20 Years Professional Experience. We Cooperate Over 800 Customers in China And Overseas. We Export Nearly 60 Countries All Over The World. And We Have More Than 60+Patents, CE,ISO 9001,SGS Certificates.

Q: Do You Offer After-Sales Service?
A: Video Technical Support, Online Support,Spare Parts, Field Maintenance Repair Service

       Jiangsu Longdai Environmental Technology Co., Ltd. is an environmental protection equipment manufacturer with more than 15 years of experience. It has provided a large number of sophisticated environmental protection equipment at home and abroad, established three branches in China, and cooperated with many universities to build Longdai R&D center. There are 4 middle doctors, 10 masters, and 25 senior engineers.

       Main business: "Petrochemical Wastewater Treatment, Urban and Rural Wastewater Treatment, Waste Gas Collection and Treatment, Industrial Wastewater Treatment, etc."

       Main equipment: "Integrated treatment equipment, grille decontamination machine, sand water separator, mud scraper, air flotation device, dosing device, sludge thickener, rotary drum micro filter, conveyor,Manual and Mechnical Bar Screen ,Bridge Scrapers ,Ordor Control System,Belt/Screw Conveyor,Disc Filter etc."

       Work follows 5 principles:

1.Sales

       The sales team keeps abreast of market prices and provides customers with the most accurate and most favorable quotations.

2.design

       The technical team participates in technical exchange meetings every year, exchanges experience with professionals, continuously improves technical competitiveness, and provides customers with the clearest and most practical design solutions.

3.manufacture

       The processing team controls the manufacturing details of each equipment, and manufactures the most sophisticated and reliable equipment for customers.

4.transportation

       The transportation team has been to every corner at home and abroad, and has never made any mistakes, planning the best route, and transporting equipment for customers is the fastest and safest.

5.quality

       The company has passed ISO9001-2008 international standard quality system certification.

       We look forward to contacting you, please give us a chance. I hope we can trust each other for mutual benefit and win-win results.

       Best wishes.

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       The following is our company's information:

       Jiangsu Longdai Environmental Protection Technology Co., Ltd.

       Phone: 0510-87837699

       Fax: 0510-87837599

       Chinese website: www.zgldhb.com

       Foreign language website: http://www.longdaiwwt.com/

       Email: longdaicompany@126.com

       Address: No. 20, Chengwen Road, Gaocheng Town, Yixing City

       Zip code: 214214