Home / Products / Sludge Dewatering / Screw Press Sludge Preconcentration Conch Machine
Product introduction

This equipment inherits the technical characteristics of low energy consumption, high efficiency, fully automatic control,l and stable operation of the cascade sludge dewatering machine. It can directly contaminate the sludge in the secondary sedimentation tank rapidly and continuously, and the sludge concentration after concentration and separation is stable and adjustable in the range of 90%-96%. After adopting this equipment, there is no need to build a concentration tank, reducing infrastructure investment and land area. Effectively reduce the odor and phosphorus release caused by sludge in the thickening tank, reduce the work burden of subsequent treatment, and greatly improve the capacity of sludge dewatering or deep dewatering equipment. Stacked screw thickeners can be used as pretreatment equipment for sludge dewatering and deep dewatering systems, for high-pressure elastic press, high-pressure diaphragm plate frames, or other dewatering equipment.



Mode DS Sludge treatment capacity Sludge flow treatment capacity
2500mg/L 5000mg/L 10000mg/L 2500mg/L
QBDL-N301 70~100kg/h ~28m3/h ~14m3/h ~10m3/h ~5m3/h
QBDL-N302 140~200kg/h ~56m3/h ~28m3/h ~20m3/h ~10m3/h
QBDL-N303 210~300kg/h ~84m3/h ~42m3/h ~30m3/h ~15m3/h
QBDL-N304 280~400kg/h ~112m3/h ~56m3/h ~40m3/h ~20m3/h
QBDL-N351 120~160kg/h ~48m3/h ~24m3/h ~16m3/h ~8m3/h
QBDL-N352 240~360kg/h ~96m3/h ~48m3/h ~32m3/h ~16m3/h
QBDL-N353 360~360kg/h ~144m3/h ~72m3/h -48m3/h ~24m3/h
QBDL-N354 480~480kg/h ~192m3/h ~96m3/h ~64m3/h ~32m3/h
QBDL-N401 200~300kg/h ~80m3/h ~40m3/h ~30m3/h ~15m3/h
QBDL-N402 400~600kg/h ~160m3/h ~80m3/h ~60m3/h ~30m3/h
QBDL-N403 600~900kg/h ~240m3/h ~120m3/h ~90m3/h ~45m3/h
QBDL-N404 800~1200kg/h ~320m3/h ~160m3/h ~120m3/h ~60m3/h

Model Motor Power(Kw) washing water consumption
Drive Motor Stirring Motor Total
QBDL-N301 0.75 0.55 1.3 40
QBDL-N302 1.5 0.75 2.25 80
QBDL-N303 2.25 1.1 3.35 120
QBDL-N304 3 1.1 4.1 160
QBDL-N351 1.1 0.75 1.85 60
QBDL-N352 2.2 1.1 3.3 120
QBDL-N353 3.3 1.5 4.8 180
QBDL-N354 4.4 1.5 5.9 240
QBDL-N401 1.5 1.1 2.6 80
QBDL-N402 3 1.5 4.5 160
QBDL-N403 4.5 1.5 6 240
QBDL-N404 6 1.1+1.1 8.2 320

Model Sludge cake discharge height overall size Sludge discharge port A Filtrate outlet B
Length Width Height
QBDL-N301 500 3160 1150 2000 DN65 DN150
QBDL-N302 500 3360 1350 2000 DN65 DN150
QBDL-N303 500 3560 1600 2000 DN65 DN150
QBDL-N304 500 3700 2110 2000 DN80 DN150
QBDL-N351 520 3850 1200 2300 DN65 DN150
QBDL-N352 520 3950 1600 2300 DN65 DN150
QBDL-N353 520 4250 2000 2300 DN80 DN150
QBDL-N354 520 4400 2550 2300 DN80 DN150
QBDL-N401 660 4450 1400 2560 DN65 DN150
QBDL-N402 660 4650 1900 2560 DN80 DN150
QBDL-N403 660 4750 2550 2560 DN80 DN150
QBDL-N404 660 7850 3150 2560 DN80 DN150

Model Washing water inlet pipe C Return pipe D Drain pipe of mixing tank Polymer inlet F Pre-concentrated filtrate outlet G Net weight Operation weight
QBDL-N301 DN20 DN65 DN50 DN25 DN20 850 1250
QBDL-N302 DN20 DN65 DN50 DN25 DN20 1200 1900
QBDL-N303 DN20 DN65 DN50 DN25 DN25 1750 2550
QBDL-N304 DN20 DN100 DN50 DN32 DN25 2300 3400
QBDL-N351 DN20 DN65 DN50 DN25 DN20 1030 1930
QBDL-N352 DN20 DN100 DN50 DN25 DN25 1960 3110
QBDL-N353 DN20 DN100 DN50 DN32 DN32 289+0 4390
QBDL-N354 DN20 DN100 DN50 DN32 DN32 3820 5420
QBDL-N401 DN20 DN65 DN50 DN25 DN25 2090 4090
QBDL-N402 DN20 DN100 DN50 DN32 DN32 3280 5780
QBDL-N403 DN20 DN100 DN50 DN50 DN40 5170 7670
QBDL-N404 DN20 DN100 DN50 DN50 DN40 6560 9060
About Us
Pioneering Sustainable Solutions for a Greener Future
Qingben Environmental Technology (Jiangsu) Co., Ltd. is a professional enterprise specializing in the manufacturing and service of sludge and wastewater treatment equipment. We are based in the field of sludge and wastewater treatment equipment research and development, and we specialize in providing sludge dewatering machines, sludge drying equipment, complete sets of wastewater treatment equipment, river and lake sediment drying equipment, and technical services.
About Us
Qingben Environmental Technology (Jiangsu) Co., Ltd.
Certificates
Honor exists because of our customers
  • ISO45001

    ISO45001

  • ISO14001

    ISO14001

  • ISO9001

    ISO9001

  • After-Sales Service Certification

    After-Sales Service Certification

  • CE

    CE

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News
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  • Jan 16, 2025
    IE Expo China 2023
    Qingben Environmental Technology (Jiangsu) Co., Ltd. successfully showcased its sludge and wastewater treatment solutions at the recently concluded IE Expo China 2023, garnering widespread recognition...
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  • Jan 16, 2025
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    If we find that the sludge dewatering machine starts or works slowly during daily use, we should check and troubleshoot the fault in time. The important reasons are as follows: 1. The pneumatic diaphr...
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