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2 phase decanter centrifuge solid liquid separation

Product Details

High efficiency LW horizontal Decanter Centrifuge Separation Equipment 

 
Palm oil decanter centrifuge is a horizontal separating decanter with a cylindrical-conical solid wall bowl for the continuous separation of solid and liquid.
The solid-wall bowl has a cylindrical section for efficient separation and clarification of the liquid. The product enters the decanter through the feed tube and passes through the distributor into the centrifugation space. The liquid level in the bowl is adjustable via regulating plates. Due to the centrifugal forces, the solid particles are forced to the bowl wall and are transported by the decanter scroll to the solids outlet.The liquids are separated in the separation zone And discharge
 

Application fields

1. Food

A flesh processing,aquatic products process and edible protein recovery;
B Extract plant protein from soybean,oily seeds and leguminous plants;
C Recovery of brewing leach liquor malt and yeast
D Treatment and recovery of wine lees liquid;
E Extract of instant coffee and tea;
F Clarification of palm oil,olive oil and seed oil;
G Extract juice from fruits ,berries and vegetables;
H Recovery of refined pectin;
I Clarification of grape juice and grape wine.

2. Environmental protection

Drilling mud ,industrial effluent ,waste water of municipal works,fertilizer,organic waste water,paint sludge,plastic particles,gravel washing water,waste water in steel-making ,flue gas desulfurization,sewage sludge treatment of waterworks.

3. Petroleum and chemical industry

A Processing of kaolin and calcium carbonate,production of bentonite and titanium dioxide;
B Exploration of petroleum oil,natural gas,crude oil refining and related industries,additive of lube oil and waste oil recovery;
C Intermediate products and final products of organic chemistry industry;
D Thermoplastic materials,includes PVC,polypropylene,polystyrene,synthetic rubber and fiber;
E Inorganic chemical industry ,includes bleach,acid,silica products and fertilizers;
F Treatment of spent wash and molasses fermentation residues;
G Extraction of starch from wheat,corn ,cassava and potato;
H Waste liquid recovery and recycling from above industries.

 

Main technical features
 
1. Industrial design
Whole machine set design follows concept of advanced industrial design,ensures stability,functionality and safety of whole machine.Also effectively absorbs shear force of dynamic load during operation.

2. Effectively ease resonance during rotating of bi-rotor
When centrifuge works,there is no obvious first-order and two-order resonance regions within designed speed range,meanwhile ,whole vibration intensity of bearing seat is definited within 2mm/s-4mm/s.All of this eliminates extra fatigue damage to components and assembly units from high frequency vibration during operation and sudden vibration when shut down.

3. Thoroughly eliminate phenomenon of liquid ring stalling
Phenomenon of liquid ring stalling happens during heavy duty boot or shutdown process of complete set machine,especially for LW550 and even larger models,It would makes bounce or wild shake,causes extra impact fatigue damage to main bearings,screw bearings and inner parts of rotary bowl.Fortunately ,our engineers have solved this problem thoroughly.

4. Unique technique adopt in main component work-blanks
The manufacturing methods of main component work-blanks are adopt centrifugal casting technique and overall mould-making forging technique,thoroughly avoid risks such as inter-granular corrosion and relaxation of residual stress release in welding joint.

5. Main bearing selection
We use origin bearings of international first-line brands such as SKF,FAG and so on.

6. Constant temperature detection
All fashioning components and assembly units are detected in constant temperature condition,to make sure of actual processing quality meets the requirements of designed precision accuracy.

7. Inter-change ability
Whole machine physical design and processing technique adopted in critical position,ensure all assembly units and bowls of the same centrifuge model interchangeable.It is not only easy to maintain ,but also greatly improve the reliability and safety of equipment.

8. Simplyand safely in bearing disassemblement
One layer of oil film is injected into contact surfaces between bearing and work-piece by high-
pressure,during disassemblement bearing from the machine.which would fundamentally eliminate friction within different parts.As a result,it would reduce 90% of pulling force and lower the risk of damage to high-precision parts when disassemble bearing.

9.Main bearing lubrication system
There are two kinds of lubrication system for specific product models :
 
A thin oil lubrication

* Oil pump offers an uninterruptedly power to ensure oil works circularly;
* Jet oil lubrication constantly clean and lubricate bearings and reduce temperature;
* Oil filter system ensure lubricant’s cleanliness;
* Oil pressure energy storage system ensure lubrication pump offers an extra oil supply(the pressure is no less than 0.4Mpa) for 5-6 minutes,when power fails accidentally;
* Constant temperature system is available.

B grease lubrication

* Adopt a grease with properties of extreme pressure resistance ,oxidation resistance ,abrasion resistance,water scour
resistance,corrosion-proof and high temperature resistance.
* Optional automatic grease system fills grease on main bearing at designed hours and quantity.

10. Main bearing BH device (patent design)
There are two spare safe bearings at either end of main bearing.When machine works well,they keep certain clearance from bearing inside track to chief axis.When unexpected condition occurs,main bearing got damaged or circle center deviation causing an amplitude of vibration reaches to designed clearance,safe bearings begin to work as main bearing Meanwhile,computer automatic control system would get a feedback of abnormal vibration value on bearing position immediately then activates emergency shutdown and goes a smooth shut down.This system protects machine free from damaging and ensure production safety.

11. GSRL feeding device (potent design)
New design of internal spiral core tube has got following achieves.Without reducing centrifugal acceleration,shorten triangle belt's traction time,reduce disorder of swirling flow and extend separation time.Meanwhile increases inner working pressure of centrifuge,and restrains liquid foaming.
 
Technical parameter 
 

Model

Diameter

(mm)

Length

(mm)

Max

speed

L/D

ratio

G-

force

Capacity

(m3/h)

Main

motor power

(Kw)

Weight

(kg)

Dimension

(mm)

LW250*1000

250

1000

5000

4

2722

0.5-5

7.5

1600

2120*1250*680

LW300*1200

300

1200

4000

4

2784

2-6

11

2700

2450*1300*900

LW355*1460

355

1460

3600

4

2576

2-10

15

2850

2750*1350*830

LW400*1200

400

1200

3200

3

2294

3-12

18.5

3100

2730*1600*1080

LW400*1600

400

1600

3000

4

2016

3-15

22

3260

3130*1600*1080

LW450*1800

450

1800

2800

4

1976

4-25

37

3250

3320*1700*1130

LW500*2000

500

2000

2500

4

1750

5-35

45

4000

3520*1800*1170

LW530*2120

530

2120

2400

4

1709

5-40

55

4800

4150*1350*1600

LW550*2200

550

2200

2800

4

2415

6-40

55

5700

4570*1380*1600

LW650*1950

650

1950

2200

3

1761

6-45

75

5000

4840*1510*1720

LW650*2600

650

2600

2000

4

1456

6-65

90

6000

5490-1510*1720

LW720*2160

720

2160

2000

3

1612

7-80

120

6000

5200*1600*1800

LW720*2880

720

2880

2000

4

1306

7-90

120

8000

3100*1600*1800

LW800*2400

800

2400

1800

3

1451

20-120

150

12000

5820*2000*1300

LW800*3200

800

3200

1800

4

1451

20-120

150

13000

7100*2000*1300

 

 

decanter centrifuge for wastewater

 

 

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