2025 Best-Selling 10,000 L/H Automatic PAM/PAC Dosing System for Sewage Treatment
Product Overview
Automatic dosing systems are essential in modern wastewater treatment processes, enabling continuous and efficient preparation of polymer solutions such as PAM (Polyacrylamide) and PAC (Polyaluminum Chloride). These systems ensure consistent flocculation and coagulation, enhancing solid-liquid separation and treatment efficiency. The main components include: polymer feeding unit (with hopper), powder pre-wetting device, solution preparation tank, liquid level controller, agitator, dosing pipelines, and an integrated electrical control panel.
Working Principle
Dry polymer is accurately fed into the mixing tank, where it is dissolved and matured under controlled agitation. The prepared solution is then delivered to dosing points via precision metering pumps. The dosing rate is fully adjustable to meet varying process requirements across different treatment stages.
System Components
Polymer Dosing Unit
Includes a hopper with observation window and level sensor, a screw feeder driven by a high-precision reducer, and optional electric heaters in the discharge area to prevent powder bridging and ensure smooth material flow.
Polymer Dissolution Unit
Comprises a pre-wetting chamber and a three-compartment tank (pre-mixing, maturation, and storage) equipped with individual agitators. This design ensures complete polymer activation and homogeneous solution quality.
Water Supply Unit
Consists of water pipelines manual ball valves, water filters, pressure gauges, solenoid valves, shut-off valves, and rotameters to regulate and monitor water input accurately.
Key Features
Fully automated operation reduces manual intervention
High-capacity design suitable for large-flow applications (10,000 L/H)
Compatible with both PAM and PAC preparations
Durable construction with corrosion-resistant materials
User-friendly interface with programmable logic control
Applications
Municipal wastewater treatment plants
Industrial effluent treatment facilities
Sludge dewatering processes
Drinking water purification systems
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.
FAQs
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
