LW520 Series Horizontal Screw Decanter Centrifuge For Wastewater Treatment

Main application sphere of the horizontal screw decanter centrifuge are: mineral oil industry; dairy industry; plant oil industry; beverage Industry; starch industry; pharmacies industry; chemical industry; wool grease industry; latex industry; and other industries: such as laboratory, petroleum, cocking, kaolin, pulp recycling, electrolyte treatment, effluent treatment, environmental protection, etc. and extraction of animal and vegetable protein, extraction and refining of animal fat, separation of fatty acid mixture.

Product Details

LW520 Technical Data

manufacturer

Wuxi City Bishun Machinery Manufacturing Co., Ltd

Model

LW520-A(Common type) LW520-B(Explosion proof type)

Name

Unit

Value

Remarks

Type of structure


Double cone angle


Possessing capacity

t/h

Dry powder

1.5-2.5 t/h

operating hours

h

24


Maximum drum rotational speed

r/min

2800(Nonadjustable)


Maximum relative centrifugal force

G

2280(Nonadjustable)


Drum internal diameter (larger side)

mm

520


Aspect ratio


2.5


Type of solid outlet of the drum


360°Residue outlet


Type of screw pusher


left-hand thread


Type of screw centrifugal tube discharge


Circular arc opening


Screw blades


polishing treatment


Type of differential mechanism


Planetary gear


Differential rotation rate

Rpm

5~58(Nonadjustable)


Differential speed regulation precision

Rpm

≤0.1


Screw torque

Nm

≥10000


Drum
316L stainless steel


Screw blades
316L stainless steel


Hood
316Lstainless steel


Fastener


316Lstainless steel


Frame


Carbon steel coated with anticorrosion primer and finish


Sealing member

import

TTO NBR


Bearing NSK

import

Original Japanese product


Belt

import

Samsung, South Korea


noise

dB(A)

≤85 At 1m from the unit


Vibration intensity

mm/s

≤6


Rated voltage

V

380


Level of protection

IP

44


Insulation class

F

F


Flushing water


Tap water, reuse water


Time

min

If the centrifuge is expected to keep from use for long, back flush it before shutdown 20-30min


Pressure of flushing water

MPa

0.3


Design Life


>10 year


Form of control


Dual frequency conversion control


Cabinet dimension


2000×800×600


Type of housing


Vertical control cabinet


material


Carbon steel sprayed with anticorrosion


Colour


RAL7032


Level of protection

IP

44


Gas station lubrication system



Qidong smelter


LW520 Material Parameters for the Specialized Type:

manufacturer

Wuxi City Bishun Machinery Manufacturing Co., Ltd

Model

LW520-A(common type) LW520-B(explosion proof type)

Name

Wall thickness

Remarks

Drum

18mm

316L stainless steel(Tisco)

screw

16mm

316L Stainless steel seamless pipe(Tisco)

blade

8mm

316L stainless steel(Tisco)

Blade pusher surface: polishing treatment

Outer shroud

4mm

316L stainless steel(Tisco)

Frame

400×200×10 Rectangular steel

Q235-A Carbon steel(Wuxi Yulong)

Bearing seat


QT400-15(Nodular cast iron)

Bearing


NSK(Original Japanese product)

Electromotor

75KW(explosion-proof motor)

Dazhong motor manufacturing Co., Ltd., Jiangyin, China (Jiangsu name brand)

Frequency converter

SPF-75K

High performance general-purpose converter of Sanken Electric, Japan

Differential

Planetary gear

Hangzhou Xiaoshan

All components in contact with the feeds are made of: 316L(corrosion resistant stainless steel). The frames are welded with rectangular steel, available with lifelong maintenance service.


Main application sphere of  the horizontal screw decanter centrifuge are:
1. Mineral oil industry: clarification of fuel and lubrication for marine main engines, stationary diesel engines, power stations, etc.
2. Dairy industry: clarification, purification and defatting of fresh milk;
3. Plant oil industry: Purification and clarification of palm oil, degumming, desoponificating, dewatering and dewaxing, etc. of plant oil refining.
4. Beverage Industry: clarification of beer, juice, beverages, etc; vegetable protein extract, effluent treatment, etc; clarification of fermentation broth for bioengineering;
5. Starch industry: concentration and grading of starch slurry;
6. Pharmacies industry: purification or clarification in medicament extraction process for antibiotics and biochemical pharmaceuticals; clarification of TCM medicine, etc.
7. Chemical industry: clarification or purification of chemical raw materials;
8. Wool grease industry: Extraction and purification of wool grease from wool scouring water;
9. Latex industry: purification and concentration of natural rubber latex;
10. Other industries: such as laboratory, petroleum, cocking, kaolin, pulp recycling, electrolyte treatment, effluent treatment, environmental protection, etc. and extraction of animal and vegetable protein, extraction and refining of animal fat, separation of fatty acid mixture.

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