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Water receivers for shoe presses, shoe press units and paper machines

A technology of shoe press and water receiving tank, which is applied in the direction of paper machine, press part, paper making, etc., can solve the problems of reducing the speed of paper machine and low production efficiency, and achieve the effect of improving production efficiency, low cost and simple production

Active Publication Date: 2017-11-28
NINGBO ASIA PULP & PAPER
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a water receiving tank for a shoe press, a shoe press device and a paper machine, which can solve the problem of low production efficiency caused by reducing the speed of the paper machine in order to prevent water droplets from splashing on the paper web in the prior art

Method used

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  • Water receivers for shoe presses, shoe press units and paper machines
  • Water receivers for shoe presses, shoe press units and paper machines

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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] refer to figure 1 , is a schematic cross-sectional structure diagram of the water receiving tank used in the shoe press according to the present invention.

[0021] The present invention provides a water receiving tank for shoe pressing, the water receiving tank 1 is strip-shaped, and the water receiving tank 1 is provided with a water receiving opening 10 extending along its length direction, which is used to receive splashed water during shoe pressing , the water receiving opening 10 extends along the length direction of the water receiving tank, so that during the shoe press process, the water splashed in the length direction of the nip can fall into the water receiving tank 1 from the water receiving opening 10, and the two ends of the water receiving tank 1 are provided with There is a drain port 11 for discharging the water in t...

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Abstract

The invention discloses water-collecting troughs for shoe press, a shoe-type press unit and a paper machine. Each water-collecting trough is of a strip shape, provided with a water-collecting opening which extends in the length direction and used for collecting the splashed water during the shoe press. Two ends of each water-collecting trough are provided with water outlets which are used for discharging the water in the water-collecting trough. The shoe-type press unit comprises an upper press roller, a lower press roller and two water-collecting troughs, wherein the two water-collecting troughs are formed in two sides of the upper press roller and the water-collecting openings of the two water-collecting troughs are formed oppositely. The paper machine comprises the shoe-type press unit. The water-collecting troughs for the shoe press, the shoe-type press unit and the paper machine can prevent the water from being splashed on the paper web without reducing the speed of the paper machine, and improves the quality of paper and the production efficiency.

Description

technical field [0001] The invention relates to the field of papermaking mechanical equipment, in particular to a water receiving tank for a shoe press, a shoe press device and a paper machine. Background technique [0002] The shoe press changes the instantaneous dynamic dehydration of the roller press to the long-term wide-nip dehydration under static pressure, which is a wide-nip press. Compared with the traditional press, the press nip of the shoe press is several times that of the traditional nip. Due to this feature, under the same speed conditions, the residence time of the paper sheet in the nip is several times that of the traditional nip. The shoe press helps to improve the dehydration efficiency of the paper sheet, which is more conducive to the solidification of the paper web, so that the paper web can obtain better strength before drying, and the performance of the press section is good. Therefore, the shoe press is currently widely used in the paper industry m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21F3/08D21F7/00
CPCD21F3/0218D21F3/08D21F7/00
Inventor 吴泰坤华锡尧黄建峰陈华东毛华平
Owner NINGBO ASIA PULP & PAPER
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