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Polymer Preparation System (ASP)

Overview

MAK Water’s Polymer Preparation System (ASP) is a packaged plant used for automated batching of matured polymer solution from liquid concentrate polymer (C-type) or powder polymer (P-type). The ASP is ideal for mechanical sludge dewatering applications and small to medium water and wastewater treatment processes, including clarification and thickening.

Both the C-type and P-type ASP systems have a mixing tank fitted with a mixer, and a solution storage tank. Both tanks are fitted with level probes used for control purposes. Once the polymer in the tank drops below a certain level, a new preparation cycle is triggered automatically. There are actuated valves on the water inlet, and on the discharge of matured polymer solution between mixing and storage tanks. The P-type has a powder hopper with heated feeder that feeds powder polymer into the mixing tank. The C-type has a feed pump to transfer concentrated liquid polymer from a bulk tank (by others) into the mixing tank. The powder hopper for the P-type is filled manually.

 

Features

  • Simple and robust design
  • Ease of installation & operation
  • Fully automated control
  • Low investment cost

 

STANDARD SPECIFICATIONS

Parameter Unit ASP-1C ASP-1P ASP-2C ASP-2P ASP-3C ASP-3P ASP-4C ASP-4P ASP-5C ASP-5P
Polymer type - Liquid concentrate Powder Liquid concentrate Powder Liquid concentrate Powder Liquid concentrate Powder Liquid concentrate Powder
Maximum polymer solution output*1 L/h 300 80 430 130 1200 400 1100 380 4200 1300
Mixing tank volume L 110 110 150 150 450 450 400 400 1400 1400
Storage tank volume L 220 220 250 250 700 700 750 750 1550 1550
Powder hopper capacity kg - 10 - 10 - 30 - 30 - 30
Mixer kW 0.75
Powder feeder*2 kW - 0.37 - 0.37 - 0.37 - 0.37 - 0.37
Polymer concentrate transfer pump*3 kW 0.25 - 0.25 - 0.25 - 0.25 - 0.25 -
Length mm 800 919 1129 1133 1317 1282 1560 1654 1860 1954
Width mm 708 678 1031 1032 1218 1218 930 860 1190 1160
Height mm 1280 1316 1311 1348 2071 2180 1761 1871 2461 2571
Weight kg 150 170 120 140 200 230 290 320 500 530
Water inlet connection mm DIN15 DIN15 DIN25 DIN25 DIN25 DIN25 DIN25 DIN25 DIN40 DIN40
Storage tank outlet connection, pipe stub mm DIN 50

Notes:
*¹ Maximum solution output is based on the time required to prepare a batch of matured polymer (where polymer chains are fully unrolled) and assumes using standard municipal water pressure to fill the mixing tank. Liquid concentrate polymer requires approx. 20-25 min/batch to mix and mature, and powder polymer requires approx. 65-75 min/batch. Example calculations:

  • ASP-1C: 110 L mixing tank @ 3 - 2.4 batches/hr gives 330 - 264 L of matured polymer solution per hour, i.e. rated max 300 L/h
  • ASP-2P: 150 L mixing tank @ 0.9 - 0.8 batches/hr gives 135 - 120 L of matured polymer solution per hour, i.e. rated max 130 L/h

 

*² Powder feeder: speed 56 rpm, heating power 10W (230V AC), knock system solenoid 40W, 20N

*³ Polymer concentrate polymer transfer pump: 3ph, 0.25kW piston pump, 316 SS, max flow 85 L/h, max 100 m head, manual stroke adjustment

 

STANDARD INCLUSIONS + OPTIONS

✓ = Standard Supply  o = Optional Supply   - = Not Applicable

Equipment ASP-1C ASP-1P ASP-2C ASP-2P ASP-3C ASP-3P ASP-4C ASP-4P ASP-5C ASP-5P
Skid mounted plant ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Containerised plant o o o o o o o o o o
Tank shape Rectangular ✓ ✓ o o o o ✓ ✓ ✓ ✓
Round o o o o o o o o o o
Tanks SS304L ✓ ✓ o o o o ✓ ✓ ✓ ✓
SS316L o o - - - - o o o o
Polypropylene - - ✓ ✓ ✓ ✓ - - - -
Powder hopper SS304L - ✓ - ✓ - ✓ - ✓ - ✓
SS316L - o - o - o - o - o
Powder feeder w/heating & knock system - ✓ - ✓ - ✓ - ✓ - ✓
Mixing tank mixer ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Mixer shaft & blades in SS304 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Polymer concentrate transfer pump (see note 1) ✓ - ✓ - ✓ - ✓ - ✓ -
Storage tank manual drain valve ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
 Polymer solution dosing pump(s) (note 2) o o o o o o o o o o

Note 1: For transfer of liquid concentrate into mixing tank.

Note 2: For transfer of polymer solution from storage tank into the process.

Instrumentation & Controls Standard supply
Pressure sensors for level measurement in mixing & storage tanks ✓
Electrically actuated water inlet ball valve, 24V DC ✓
Electrically actuated bypass ball valve (between mixing & storage tanks), 24V DC ✓
Control panel to AS/NZS 3000 with PLC touch screen HMI, 316SS enclosure with approx. dimensions 600L x 400W x 300D mm ✓