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Pressure screen

Pressure screen

Brand Name:Hengbon
Certification:ISO
Model Number:Inflow Pressure Screen,paper machinery,stock preparation
Minimum Order Quantity:1 set
Delivery Time:7-30 days
Payment Terms:TT or L/C at sight
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Address: http://www.hengbon.com (Paper Machinery Factory)
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Product Details

Pressure screen for paper making industry

Application

ZSL Horizontal MD Pressurized Screen is used for screening secondary fiber and other stock with the consistency of 1.5~3%. In particular, using the closed rotor, the screening result is better for the stock with high content of impurities.

Design features

ZSL Horizontal MD Pressurized Screen consists of closed rotor, screen basket, screen housing and drive. It is divided into two types, interior-flow and exterior-flow, in terms of the direction of stock inlet and outlet.

For the interior-flow screen, the stock enters the screen basket from the upper inlet of screen housing at drive side. With the rotation of the closed rotor, the impurities are separated by the holes or slots of screen basket, i.e., accepts pass through the screen basket under the stock pressure, and flow out from the outlet of screen housing at cover side. The closed rotor rotates at accepts outlet. Rejects settle down along the inter wall of the screen housing with the centrifugal effect, and discharge from the bottom rejects outlet. The discharging amount of rejects is about 10~20%.

For the exterior-flow screen, the stock fllows outwards from the inner of the screen basket, and the reject ratio is about 20~40%.

Regarding of the closed rotor, it needs to avoid the overload of equipment or the damage of screen plate by the string-like impurities winding on the rotor

High circumference speed of the rotor, not only forming intensive agitation and instant negative-pressure, but also speeding up the stock flow. With the increasing of the angle between the speed of rotor and accepts passing through the screening hole, the screening results has been improved.

With the middle-density screening, the process equipment is simplified, the procedure is rationalized, and the investment is reduced. The water consumption and the space requirement of middle-density screening are less than those of ordinary screen.

Main technical data:


model

(t/24h)

Throughput


Screening area


Inlet consistency

MPa

Inlet pressure

MPa

Pressure drop

KW

Power

ZSL40

5-10

0.2


1.5~3


0.12~0.25


0.01~0.03

7.5

3-7

ZSL41

15-30

0.4

30

10-20

ZSL42

40-60

0.7

55

25-40

ZSL42A

50-70

1.0

75

30-50

ZSL42B

60-80

1.2

90

40-60

ZSL43

80-120

1.4

110

50-80

ZSL44

120-150

1.7

132

60-90

ZSL45

150-180

2

160

75-100

ZSL46

180-240

2.8

220

100-160


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