Corrosion-Resistant Polymer Dosing Tank

Category： PAM Polymer Preparation unit
Capacity:300-10000L
Material: SS304,SS316,PP,FRP,Carbon
Motor: SEW/Nord
Application: Industrial wastewater, food processing, oil removal
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polymer preparation unit description

Baffles allow the circulation of the polymer preparation through a series of compartments. This ensures the optimum reaction time in each compartment and, a continuous concentration level, thereby avoiding any preferential route between the preparation compartment and the final dosing solution compartment.

The DAGYEE system is automated by the control panel connected to the ultrasonic level detector located above the dosing solution compartment. As soon as the solution in the dosing compartment reaches “low level”, the detector activates the opening of the water feed electrovalve and the start-up of the dry feeder. The water meter controls the flow continuously. As soon as the “high level” is reached, the process cycle stops, although the mixers (one, two or three according the model) continue to operate.

The DAGYEE unit provides automatic and continuous preparation of the polymer solution using a constant and uniform quality, resulting from:

One two-impeller mixer located in the preparation compartment (single impeller in the maturation compartment),

Optimized maturation cycles.

By fitting with an optional dilution unit, the main solution can then be diluted.

Polymer preparation unit principle

Depending on the customer’s choice, the polymer preparation can either be manual, batch produced or fully automatic.

Liquid concentrated polymers are diluted in 2 chamber systems, featuring a mixing compartment and a storage compartment. Clear water is fed to the system and, depending on the requested final concentration, a known amount of liquid polymer is injected. The mixer in the first compartment dissolves the polymer into the water. When ready, this solution flows to the second compartment – used as storage – from which it can be pumped into the process.

Powder polymers are diluted in 3 chamber units. The first compartment is used for active mixing of the powder into the water flow. In the second chamber, the solution is matured by additional mixing. The third chamber acts as storage chamber. Powder polymer units are fitted with a powder storage hopper and dosing screw. The unit doses know amounts of powder into the incoming clean water flow, controlled by the water panel.

Manual and batch units require operator interactions, where fully automatic units start the solution preparation cycle automatically whenever the start level is reached in the storage chamber. The automatic unit can be used for continuously polymer injection into treatment processes.

Polymer preparation unit model

Model	Capacity L/H	Volume L	Timing H	Dimensions MM	Weight KG	Power KW
DT300	300	450	0.6-1	15001000500	300	1.8
DT500	500	750	0.6-1	15001000650	420	1.8
DT1000	1000	1500	0.6-1	20001000900	500	2.8
DT1500	1500	2250	0.6-1	20001200900	620	3
DT2000	2000	3000	0.6-1	250012001000	800	3.9
DT3000	3000	4500	0.6-1	300015001000	950	5.3
DT5000	5000	7500	0.6-1	500015001000	1250	7
DT10000	10000	15000	0.6-1	480018002000	3600	7

Polymer preparation unit advantage

Lower Maintenance & Downtime: No moving parts in the mixing process along with the durable DFXa peristaltic or gamma/ XL diaphragm pump means fewer breakdowns and less frequent repairs.

More Efficient Polymer Usage: Venturi mixing & static mixer ensure optimal polymer activation, reducing chemical waste. Consistent dosing improves treatment efficiency, lowering operating costs.

Ease of Operation & Automation: Multiple control modes (Manual, Analog, Contact, Auxiliary) allow simple or advanced operation. 4-20 mA and alarm outputs enable remote monitoring and integration with SCADA/PLC systems.

Compact & Easy Installation: Lightweight and space-saving design allows easy integration into existing site locations without major modifications. Simple piping and electrical connections make setup fast and easy.

Reliable Performance: Handles various polymer types (emulsion, solution, low molecular weight). Works across a range of flow rates (60–600 GPH) and pressures (up to 100 PSIG).

Reduced Energy Consumption: Low-energy mixing minimizes power usage, leading to cost savings.

Safe & Operator-Friendly: No high-speed mechanical parts, reducing risk of injury. Designed for low-maintenance operation, allowing operators to focus on other tasks.

Polymer preparation unit feature

Fully automated, continuous 24/7 operation with stable concentration output

Suitable for polymer powders and liquids, with separate feed lines

Applicable across sectors – wastewater, mining, oil & gas, chemical processing

No dedicated operator required – only ~30 min/day for refilling and inspection

Zero powder loss – 100% utilization of polymer without waste

Consistent, lump-free polymer solution

Post-Dilution capability – doubles capacity and enables effluent reuse

Fast return on investment due to savings in chemical, labor, and improved process efficiency

Construction in Stainless Steel 304 (DIN 1.4301) for corrosion resistance

Advanced automation with Siemens PLC & SCADA, including remote access

Easy maintenance – drainable tank design, clean-in-place features

Polymer preparation unit application

Chemical Treatment Systems

Industrial Wastewater Treatment Systems

– Grease Industries

– Sugar Industries

– Leather Industries

Wastewater Treatment Systems

Filtration Systems

Sludge Dewatering;

– Conditioning Chemical or Excess Biological Sludge

Contact us for customized polymer preparation unit solutions

If you are interested in learning more about our polymer preparation unit or need a customized solution for your water treatment project, please contact our sales team. Our experts will work with you to assess your requirements and recommend the perfect equipment to meet your goals.