LW Decanter Centrifuges

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LW series decanter centrifuge is a horizontal centrifuge with continuous feeding and continuous discharge. It is applicable for two-phase (solid-liquid) separation and three- phase (solid-liquid-liquid) separation in the chemical, pharmaceutical, environmental protection mining, food and other industries.

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The company has been committed to the R&D, production and sales of centrifuges, boasting rich experience in the design and manufacturing of separation equipment. Its products have obtained ISO 9001:2015 Quality Management System Certification, ISO 14001:2015 Environmental Management System Certification, and ISO 45001 Occupational Health and Safety Management System Certification. The various centrifuges produced are widely used in chemical industry, pharmaceutical industry, food industry, environmental protection, new energy, salt production and other fields. In 2018, the company introduced high-end technical talents and R&D teams in filtration and separation, invested heavily in purchasing automatic welding robots, CNC machining centers, 500-ton hydraulic presses and other equipment, and achieved mold-based production.

 

With an annual sales volume of 235 million RMB, the company has 185 employees, covering an area of nearly 20,000 square meters, including a workshop area of over 15,000 square meters. It owns more than 100 sets of various processing and testing equipment, such as large vertical lathes, hydraulic presses, turning-milling-planing machines, boring machines, plate shears, bending machines, X-ray flaw detectors, display-type universal material testing machines, universal plate bending machines, CNC laser cutting machines, microcomputer vibration aging devices, and dynamic balancing machines. The company offers a complete range of centrifuges, mainly including top discharge models (PSB, PSD), automatic bottom discharge scraper models (PGZ, LGZ, PAUT, PGD), and horizontal spiral discharge models (LW, LLW, LLWZ), etc.

 

·Flat vertical scraper automatic discharge centrifuge

·Flat-plate scraper bag shaking automatic discharge centrifuge

·Flat plate discharge centrifuge

·Horizontal screw concentration and filtration centrifuge

·Horizontal screw discharge sedimentation centrifuge

More Information

LW Operating principle

Separation takes place in a horizontal bowl equipped with a scroll conveyorThe process material is fed into the bowl through a stationary inlet tube and is smoothly accelerated in the accelerate chamber Centrifugal forces cause instant sedimentation of the solids on the wall of the bowl. The conveyor rotates in the same direction as the bowl, but at a different speed, thus moving the solids towards the conical end of the bowl.

 

LW Applications

  • Industrial and municipal wastewater treatment
  • Oil & gas drilling mud/fluid control
  • Washing, classification and dewatering of amylm and starch
  • Mycelium separation from zymotic fluid of antibiotic
  • Dewatering of soybean and wheat protein
  • Dewatering ol fish power and tish meet
  • Dewatering of grains
  • Clarification and extraction of fruit juice
  • Clarification and pu rification for animal and vegetable oil
  • Production and extraction of olive oil, palm oil, avocado oil
  • Separation and purification for coal tar
  • Grading of kaolin and graphite
  • Classification and dewatering for dyestuff and pigment
  • Float wash of extractive coal and dewatering of coal mud
  • Classification and dewatering for minerals

 

LW Main constructional features

  • Vertical base design and symmetrical arrangement of motor and bowl assembly that ensures stable operation and less vibration
  • Main parts such as the bowl and conveyor are made of corrosion-resistant stainless steel or duplex steel, offering high maximum bowl speed and high centrifugal force.
  • Double motor double frequency control, drum, screw speed are stepless adjustable.
  • Screw conveyor flights tiled or lined with ceramic, tungsten carbide, or other hard alloys.
  • Planetary gear and hydraulic differential two structural options, the difference adjustment range is large, for different solid phase push torque transmission.
  • Multiple safety protection: bowl speed and differential speed detection, over-vibration protection, motor overload and overheat protection, bearing temperature monitoring, conveyor torque protection and gas-tight explosion-proof protection.
  • Special shock absorber, fixed without anchor bolt.

 

LW Wear Protection

  1. Scroll with welded hard facing or spray coating
  2. Scroll inlaid with tungsten carbide tiles
  3. Bowl inner wall welding with high strength wear resistant strips
Replaceable tungsten carbide tiles HRA89-90
 
Solid discharge port

 

  1. Tungsten carbide or ceramic bushings
  2. Simple structure and easily replacement
  3. Low maintenance cost

  1. Auxiliary motor component
  2. Differential
  3. External rotating drum components
  4. Internal screw unit
  5. Casing component
  6. Feed pipe
  7. Bearing block
  8. Main motor component
  9. Frame component
  10. Discharge opening
  11. Liquid outlet
  12. Shock absorber

 

LW Standard Type Decanter Centrifuge

Labyrinth seal is used for both bowl ends of LW standard type decanter centrifuge, simple and convenient, after separation, the solid phase is conveyed to the solid discharge port by scroll conveyor, and discharged out of centrifuge under centrifugal force caused by high speed rotation; while the liquid phase drains out under gravity and centrifugal force through the overflow plate. This series decanter centrifuge features easily operation, continuous and stable running, and wide application scope.

 

LW Technical parameters

 

Models

Bowl Diameter

(mm) 

L/D Ratio

 Bowl Speed

 (r/min)

G-force

 Main Motor Power

 (kw)

Weight

(kg) 

 Dimension (L*W*H)
LW220*880 220 4 4800 2840 7.5-11 1000 2650*750*750
LW335*1460 350 4.17 4000 3100 22 2020 3550*1000*1050
LW450*1800 450 4 3200 2577 30-37 3500 4100*1050*1250
LW450*2025 450 4.5 3200 2577 30-37 3800 4550*1050*1250
LW530*2120 530 4 2800 2327 45-55 4200 4750*1250*1450
LW530*2650 530 5 2500 2150 37-55 4500 5050*1450*1750
LW630*2300 630 3.65 2500 2205 75 8000 5350*1700*1550
LW650*2800 650 4.3 2500 2270 90 9600 5350*1700*1550
LW720*2880 720 4 2000 1613 110 11000 5300*2050*1750

 

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