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Vacuum couch roll


Key words:

Vacuum couch roll


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The vacuum couch roll is located at the end of the wire part of the paper machine, and its structure is basically the same with the suction roll, which is composed of the roll body,empty box, operating side and driving side bearing seat, spray pipe, air cushion pipe,rubber wheel and vacuum regulating valve.


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Detailed introduction

1.Vacuum ambush roll is located at the end of the web part of the paper machine, its structure is basically the same as the suction roll, consisting of roll body, empty box, operating side and drive side bearing seat, nozzle, air cushion tube, rubber wheel and vacuum adjustment valve. The roll shell is cast in bronze or stainless steel.
Steel casting.
2.Vacuum press rolls made of high-strength metal with thinner shells are conducive to improving the efficiency of pressing and dewatering. Compared with ordinary press, vacuum press removes more water from the wet paper, improves the dryness of the paper, the paper is squeezed less, the dewatering along the width direction is more uniform and balanced, and the blanket is more stable and in good condition.
3.Vacuum volumetric rolls are generally not covered with rubber, the eyelet on the roll shell is a large hole set of small holes, is the last roll in the web part of the paper machine, and is coarser than the composite roll eyelet.
4.The vacuum ambush roller consists of a roller body, a vacuum box body, a bearing seat on the drive side, a suction port seat on the operation side, a sealing strip, a sealing strip bracket, an air tire tube, a spray pipe, a suction port adjusting device, and a vacuum adjusting valve.

Technical parameters:

Working face 1600mm-6200mm
Diameter 650mm-1000mm
Center distance 1650mm-7000mm
Suction width 3000mm-5000mm
Wall thickness 30mm-40mm
Roll shell material SUS304SUS316
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