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You are here: Home » Paper machine & pulp equipment » Pulp equipment and spare parts » Deinking & pulp washing equipment » Low concentration wood waste paper reed bamboo bagasse and straw pulp gravity disc thickener with large capacity and low power consumption
Model: ZNP
Brand: NH
Code: 843999

Low concentration wood waste paper reed bamboo bagasse and straw pulp gravity disc thickener with large capacity and low power consumption

ZNP series gravity disc thickener is mainly used for the concentration of low-concentration slurry. This machine is different from the traditional vacuum disc filter. It does not need to be installed on the higher floors and is equipped with water leg pipes, which can replace the traditional gravity cylinder thickener.
Product Description

Main Structure

This machine is mainly composed of disc shaft, trough, hood, main transmission device, etc.

1) Fan-shaped plate: adopts a perforated plate structure, covered with a stainless steel filter screen, and the fan-shaped plate and the hollow main shaft are connected by bolts.

2) Hood: welded by steel plate

3) Tank body: The tank body supports the transmission device and all parts, and is welded by steel plates, including the feed box, the discharge box and the middle tank.

4) Both ends are sealed with rubber packing

5) The main drive form: the direct-connected suspension reducer is used for speed reduction, and the inverter speed is adjusted. The user can choose the best speed according to the production needs.

Screen washing device: 0.5-0.7Mpa high-pressure water sprayed from the nozzle on the water spray pipe to wash off the slurry adhering on the surface of the filter screen, and the filter screen is washed to obtain the regeneration capacity of the filter screen.


Advantage:

For mechanical wood pulp, waste paper pulp, reed pulp, bamboo pulp, bagasse pulp, straw pulp, etc. with low freeness (higher beating degree), short fiber or high pulp concentration, the gravity disc type can be used at low concentration. The thickener is used to increase the concentration. The machine is highly automated, easy to operate, reliable in operation, large in production capacity, low in power consumption, easy to manage, and the fan-shaped plate is welded by stainless steel, which is convenient to assemble and disassemble, and can filter small fibers and chemicals,solute, filler, etc.


Work Principle :

The central spindle of the filter is composed of several filter discs. Each disc is composed of 8-10 fan-shaped plates with the same size and equal area. The fan-shaped plates are fixed on the hollow shaft by bolts. The hollow shaft is connected with the fan-shaped plates. In the working process, with the rotation of the main shaft, when the fan-shaped plate is submerged below the liquid level, there is a liquid level difference between the inside and outside of the fan-shaped plate. Under the action of the liquid level difference, the water in the slurry passes through the covering The filter screen outside the fan-shaped plate enters the hollow shaft and flows out through the hollow shaft and the pipe. The slurry is intercepted by the filter screen to achieve slurry-water separation. When the slurry covering the filter screen turns out of the liquid surface on the fan-shaped plate, due to the liquid level The difference disappears and the adhesion is lost, and it is automatically peeled under the action of gravity. The peeled high-concentration slurry will overflow into the slurry outlet along with the operation of the disk to achieve the purpose of concentration.


Parameter:

Pulp species

Chemical wood pulp

Waste paperboard pulp

Bamboo reed pulp

 

Offer waste paper

Waste newspaper

wheat straw pulp

Capacity

(T/dm2)

2-2.2

1.8-2.2

1.4-1.6

1-1.3

0.9-1

 

0.9-1

Inlet pulp concentration

0.8-1.2%

Outlet pulp

concentration

3-4%

Model/

Item

ZNP50

ZNP75

ZNP100

ZNP120

ZNP150

ZNP180

ZNP210

ZNP240

Filter area m2

50

75

100

120

150

180

210

240

Diameter of disc/quantity

2500/8

2500/ 12

2500/ 16

3500/8

3500/ 10

3500/ 12

3500/ 14

3500/ 16

Fan-shaped plate number

8*8

12*8

16*8

8*10

10*10

12*10

14*10

16*10

Driving motor

11

15

22

22

22

22

22

30

Size

4450*3880*3350

5490* 3880* 3350

6530* 3880* 3350

4730* 5080* 4500

5330* 5080* 4500

5930* 5080* 4500

6530* 5080* 4500

7130* 5080* 4500

Washing mesh water pressure MPa

0.5-0.7

Rotate speed r/min

1-4


Product Inquiry
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NH Paper Machinery
 Industrial Group Co., Ltd
 
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Email : 
cathy01@qynhgroup.com

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