High-Quality Automatic PAM Polymer Dosing System for Sewage Treatment Coagulant
The Automatic Polymer Dosing System is designed to accurately prepare and feed polymer solutions by dissolving or diluting powder or liquid flocculants. It is widely used in sewage treatment plants for continuous and efficient mixing, ensuring highly reactive and consistent chemical solutions for optimal coagulation and flocculation.
Key Advantages:
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User-Friendly Operation & Labor-Saving: Fully automated process reduces manual intervention and operator workload.
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Adjustable Polymer Concentration: Flexible solution strength adjustment to meet varying treatment demands.
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Robust & Compact Frame: Carefully engineered structure for durability and space-efficient installation.
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Reliable & Consistent Performance: Trusted operations with minimal downtime, ensuring continuous treatment processes.
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Superior Treatment Outcomes: Enhanced flocculation efficiency leads to better water clarity and reduced sludge.
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Environmental Benefits: Optimized chemical usage minimizes waste and promotes sustainable sewage treatment.
Parameters
Type | QJY-500 | QJY-1000 | QJY-1500 | QJY-2000 | QJY-3000 |
production abilityQ(L/h) | 500 | 1000 | 1500 | 2000 | 3000 |
Size | 900x1500x1650 | 1000 x 1625 x1750 | 1000 x 2440x1800 | 1220 x 2440 x180C | 1220x3200x2000 |
Powder Dosing PowerNi(KW) | 0.18 | 0.18 | 0.18 | 0.18 | 0.18 |
blender | Blade diameterG(mm) | 250 | 250 | 250 | 250 | 250 |
Vertical spindle speed(i/min) | 96 | 96 | 96 | 96 | 96 |
PowerN2(KW) | 0.55 x 2 | 0.55x2 | 0.55 x 2 | 0.55x2 | 0.55x2 |
Dosing screw pump | Flow Q2(mV h) | 1 | 1 | 1.5~2.0 | 1.5-2.0 | 3.0~ 5.0 |
Lifth(m) | 20 | 20 | 20 | 20 | 20 |
Power N3(KW) | 1.1 | 1.1 | 1.5 | 1.5 | 2.2 |
Water Inlet Dia(mm) | 20 | 20 | 25 | 25 | 32 |
Water outlet Dia(mm) | 20 | 20 | 25 | 25 | 32 |
Installation | B | 900 | 1000 | 1000 | 1220 | 1220 |
L | 1500 | 1625 | 2440 | 2440 | 3200 |
H | 1650 | 1750 | 1800 | 1800 | 2000 |
Hi | 800 | 1050 | 1050 | 1050 | 1350 |
Real picture

Company Profile
Jiangsu Longdai Environmental Technology Co., Ltd. is an environmental protection equipment manufacturer with 11 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, etc."
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.
The processing team controls the manufacturing details of each equipment, and manufactures the most sophisticated and reliable equipment for customers.
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.
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
Longdai catalog (2).pdf