ZBK Roots Vacuum Pump
ZBK Roots vacuum pumps for paper mills are used in papermaking, paper trays, pulp molding, chemicals, medicine, building materials, food, clothing, sugar and other industries. It is a suction box or fourdrinier paper machine in the paper industry. Ideal equipment for vacuum dehydration of suction box
1. Purpose
    ZBK series roots vacuum pump (SV series special vacuum pump for papermaking) is a kind of equipment for obtaining rough vacuum. The ideal equipment for vacuum dehydration of industrial fourdrinier wire suction box or fourdrinier paper machine wire suction box.
 
    In this range, compared with water ring vacuum pumps, ZBK series roots vacuum pumps have the advantages of large pumping speed, high efficiency, compact structure, small size, convenient maintenance, long life, and low power consumption. The suction medium is dry, humid air or water mixture, but the medium must not contain particulate matter, high dust gas or corrosive substances.
 
2. Structure and working principle
    This machine is driven by the motor through the V-belt pulley to rotate the driving rotor, and the driven gear is driven by the synchronous gear to drive the driven rotor to rotate, the two rotors do not contact each other, and a gap of about 0.4mm is maintained. There is a gap of about 0.25mm between the rotor and the pump body and the end cover. During operation, in the lower part of the pump cavity, due to the continuous separation of the two rotors, the volume is expanded. At the upper part, the continuous connection of the two rotors causes the volume to shrink, thus completing the function of suction and exhaust, and creating a vacuum on the suction side. , And the exhaust side is connected to the atmosphere, close to atmospheric pressure. The outlet of the pump body has a sound silencing box, and at the same time it has the function of stabilizing pressure and sealing, which improves the working efficiency of the pump.
 
Performance parameter table:

 

型Model号

ZBK33

ZBK13

ZBK14

ZBK15

ZBK16

ZBK17

ZBK18

大抽速 米3/分 
Ultmafe Capacity(m3/min)

2.4

6

6~8

10

15

30

60

转 速 转 / 分 
Speed(r/min)

500

400

600~800

450

400

400

550

工作真空度 千帕 
Working vacuum(kpa)

<53

 

配用电 
 
Motor

型 号 
model

 

Y160M-6 Y160L-6 Y160M-4 Y200L2-6 Y280S-6 Y315M1-6

功 率 千 瓦 
rating(kw)

 

7.5

11

15

22

45

90

转 速 转 / 分 
Speed(r/min)

 

970

970

1460

970

980

985

进出口直径 毫米 
Inlet and outlet dia(mm)

85/78

125

125

150

200

250

300

设备重量 公斤 
weight(kg)

200

450

560

890

900

2100

3500



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