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solid-liquid separator

Livestock and poultry breeding: Dehydration treatment of pig manure, cow manure, and chicken manure to reduce COD content using a spiral extrusion separator. Municipal/industrial sewage treatment: sludge dewatering, sewage treatment plant sludge water treatment, paint mist wastewater filtration belt filter press, centrifuge, candle filter. Petrochemical industry: catalyst recovery, DMC/EMC material filtration, drilling fluid purification closed filter, settling centrifuge. Food and beverage: fruit juice clarification, distiller's grains/vinegar residue dehydration, fruit glucose syrup decolorization filtration candle filter, screw extruder. Biopharmaceuticals: Fermentation broth filtration, antibiotic/amino acid purification rotary pressure filter, tube centrifuge.

National Service Hotline：400-611-6861
Product Introduction

A solid-liquid separator is a type of equipment that separates solid particles from liquids in a suspension through physical means such as filtration, centrifugation, and extrusion. It is widely used in fields such as environmental protection, chemical engineering, food, and pharmaceuticals, and is a core equipment for sewage treatment, material recovery, and resource reuse.


Technical Advantage
High separation efficiency
The filtration accuracy can reach micrometer level, the solid recovery rate is high, and the filtrate is clear and transparent, meeting the requirements of refined production.
Fully enclosed automation
The sealed tank body prevents material leakage and odor volatilization, with PLC fully automatic control. The entire process of filtration, washing, and slag discharge does not require manual intervention, improving the working environment.
energy conservation and consumption reduction
Compared to traditional thermal concentration, energy consumption is significantly reduced; Some equipment adopts energy recovery design, and the ton processing cost is controllable.
Adaptable
We can customize the material (SUS304/316L/PP/PE) and filtration accuracy according to the material characteristics, and adapt to various working conditions such as acid and alkali, high temperature, viscosity, etc.
Process Selection

Material Characteristics


Recommended device type


Instructions for Use


Low SS (<500mg/L)


Sedimentation tank, air flotation equipment


Concentrate first and then mechanically dehydrate


Medium to high SS (500-5000mg/L)


Concentrator+mechanical dehydration equipment


Supporting pre-processing procedures are required


High solid content (≥ 3%)


Filter press, centrifuge


Mechanical dehydration can be directly performed


oily wastewater


Air flotation equipment


Prioritize oil removal, followed by filtration treatment


Wastewater containing viscous colloids


Medication flocculation+sedimentation/air flotation


Chemical conditioning is needed to improve water quality


Wastewater containing inorganic sand particles


grit chamber


First precipitate and remove sand, then filter finely


Fine and difficult to filter materials


Rotary pressure filter, candle filter


Paired with filter aid, relying on pressure driven filtration




Equipment Selection

Application scenarios


Recommended equipment


key metrics


Dehydration of livestock and poultry manure


Spiral extrusion type


Filter screen 0.3-0.5mm, made of stainless steel material


Fine chemical filtration


Sealed candle filter


Pressure 0.1-0.6MPa, fully automatic slag discharge


Large scale sludge dewatering


Horizontal screw settling centrifuge


Separation factor Fr, processing capacity 0.4-60m ³/h


High environmental protection requirements for filtration


Modular filtering system


Towards zero emissions, PLC intelligent control


Fine sticky material filtration


Rotating pressure continuous filter machine


Continuous operation, integration of multiple processes


Friendship Link
Huapu Environmental Protection Huapu Water Treatment Equipment