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Preparation device and method for recycled paper

A preparation device and technology for recycled paper, which are applied in pulp beating/refining methods, papermaking, and papermaking machines, etc., can solve the problems of high energy consumption, resource outflow, low waste water and environmental protection treatment capacity, etc.

Inactive Publication Date: 2017-04-05
GUIZHOU FUTAIKAI PAPER IND CO LTD
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the development of the national economy and the improvement of people's living standards, the demand structure of domestic paper and cardboard is becoming more and more diversified, and the production is developing in the direction of high quality, low quantitative, low consumption, and multiple varieties. Packaging paper, strong and tough kraft box board The demand for paper, high-strength corrugated base paper, liner paper, and coated white board paper has increased significantly, and the outflow of resources is serious. At present, there are problems such as obsolete equipment, high energy consumption, low waste water and environmental protection treatment capacity, and low-grade products.

Method used

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  • Preparation device and method for recycled paper

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Embodiment Construction

[0015] Such as figure 1 As shown, a production device for recycled paper, the pulper 1 is sequentially connected with the impurity separator 2, high-consistency slag remover 3, fiber separator 4, outflow pressure slot screen 5, low-concentration desander 6, The multi-disc thickener 7, the refiner 8, the height adjustment box 9, the front screen 10, the headbox 11, the fourdrinier mesh surface 12, the squeezer 13 and the dryer 14 are connected.

[0016] The fiber separator 4 includes a first-stage fiber separator and a second-stage fiber separator.

[0017] The low-concentration desander 6 includes three sections of low-concentration desander.

[0018] The press 13 includes a vacuum couch roll and a blind hole press roll with two large rolls.

[0019] The tailing end of the outflow pressure slot screen 5 is connected with the second stage outflow pressure slot screen through a pipeline.

[0020] The pulp and residue outlet end of the front screen 10 communicates with the pre...

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Abstract

The invention discloses a preparation device for recycled paper. The preparation device is characterized in that a pulper (1) sequentially communicates with an impurity separator (2), a high-concentration residue remover (3), a fiber separator (4), an outward-flow type pressure slotted screen (5), a low-concentration sand remover (6), a multi-disc concentrator (7), a pulping machine (8), a high-position regulating box (9), a pre-net screen (10), a headbox (11), a long net surface (12), a squeezer (13) and a drying device (14) through a pipeline.

Description

technical field [0001] The invention relates to a device and method for preparing recycled paper, belonging to the field of resource recovery and utilization. Background technique [0002] With the development of the national economy and the improvement of people's living standards, the demand structure of domestic paper and cardboard is becoming more and more diversified, and the production is developing in the direction of high quality, low quantitative, low consumption, and multiple varieties. Packaging paper, strong and tough kraft box board The demand for paper, high-strength corrugated base paper, liner paper, and coated white board paper has increased significantly, and the outflow of resources is serious. At present, there are problems such as obsolete equipment, high energy consumption, low waste water and environmental protection treatment capacity, and low-grade products. Contents of the invention [0003] The technical problem to be solved by the present invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21B1/32D21B1/34D21D5/02D21D1/20D21F11/00
CPCY02W30/64
Inventor 夏国晾
Owner GUIZHOU FUTAIKAI PAPER IND CO LTD
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