Heating system for paper web movement and drying method thereof

A heating system and paper web technology, which are applied in the directions of cleaning methods, cleaning methods and utensils, chemical instruments and methods using gas flow, etc., can solve the problems of poor drying effect, low utilization rate of energy consumption, violation of energy conservation and environmental protection, etc.

Inactive Publication Date: 2022-03-18
VINDA PAPER ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the papermaking process, the paper is generally formed by spraying the pulp onto the moving weaving net, and then drying it to shape it. However, the current drying device (such as the authorized announcement number: CN1856619B) can only dry the paper from one side. , there is a defect of poor drying effect;
[0003] Not only that, but the utilization rate of energy consumption in existing drying devices is extremely low, which obviously goes against the general direction of energy conservation and environmental protection today.

Method used

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  • Heating system for paper web movement and drying method thereof
  • Heating system for paper web movement and drying method thereof
  • Heating system for paper web movement and drying method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0090] Such as figure 1 As shown, the present invention discloses a heating system for paper web movement. In a specific embodiment of the present invention, it includes:

[0091] medium source 10;

[0092] Heater 11;

[0093] Upper drying device 21;

[0094] Lower drying device 22;

[0095] The pipeline is used to transmit the gas and / or liquid discharged from the medium source, and send it to the upper drying device 21 and the lower drying device 22 after passing through the heater 11;

[0096] Wherein, a drying zone is formed between the upper drying device 21 and the lower drying device 22, and at least a heating end is provided at the opposite end of the upper drying device 21 and the lower drying device 22, when the paper 100 passes through In the drying zone, the heating end heats the paper 100 and dries the paper 100 .

[0097] In a specific embodiment of the present invention, the upper drying device 21 and the lower drying device 22 may use existing air injectio...

Embodiment 2

[0099] Embodiment 2, the difference with embodiment 1 is that

[0100] Such as Figure 2-5 As shown, in a specific embodiment of the present invention: the lower drying device 22 includes:

[0101] lower bracket;

[0102] The rotating shaft 220 is hollow and rotatably mounted on the lower bracket, and can be driven to rotate by the first driving mechanism 221;

[0103] The collection housing 222 is installed on the rotating shaft 220 and is used to collect impurities;

[0104] The first transmission pipe 223 is arranged in the rotating shaft 220, and one end penetrates into the collection housing 222, and the first injection device 30 is arranged at the end;

[0105] Wherein, the inner wall of the collection housing 222 forms a cavity 222a, and the inner wall of the collection housing 222 is provided with a discharge hole communicating with the cavity 222a, the first transmission pipe 223 and the rotating shaft 220 A discharge cavity 222b is formed between them, and the di...

Embodiment 3

[0149] Embodiment 3, the difference with embodiment 2 is:

[0150] Such as Figure 6-8 As shown, in a specific embodiment of the present invention: the upper drying device 21 includes:

[0151] upper bracket;

[0152] The upper air injection device 60 is installed on the upper bracket and can be supplied with air by the heat source;

[0153] Wherein, the upper air injection device 60 at least includes an air injection part 600 and a diffusion part 601, and the diffusion part 601 has at least a hollow area, when the air injection part 600 sends the gas into the hollow area and contacts the inner wall of the hollow area , the divergence of the gas through the hollow area expands the injection angle.

[0154] In a specific embodiment of the present invention: the diffusion part 601 includes:

[0155] The cover body 6010 is rotatably mounted on the upper bracket and can be driven to rotate by a third driving mechanism, and the cover body 6010 has a recessed area 6011;

[0156...

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PUM

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Abstract

The invention relates to a heating system for paper web movement and a drying method thereof. The heating system is characterized by comprising a medium source; a heater; an upper drying device; a lower drying device; the pipeline is used for conveying gas and / or liquid discharged by the medium source, and the gas and / or liquid are / is conveyed to the upper drying device and the lower drying device after passing through the heater; wherein a drying area is formed between the upper drying device and the lower drying device, heating ends are at least arranged at the opposite ends of the upper drying device and the lower drying device, and when paper passes through the drying area, the heating ends heat the paper and dry the paper; the paper drying device has the beneficial effects that the drying efficiency is high, and the two faces of paper can be heated and dried at the same time.

Description

technical field [0001] The invention relates to the technical field of papermaking drying, in particular to a heating system for moving paper webs and a drying method thereof. Background technique [0002] In the papermaking process, the paper is generally formed by spraying the pulp onto the moving weaving net, and then drying it to shape it. However, the current drying device (such as the authorized announcement number: CN1856619B) can only dry the paper from one side. , there is a defect of poor drying effect; [0003] Not only that, but the utilization rate of energy consumption in existing drying devices is extremely low, which obviously goes against the general direction of energy conservation and environmental protection today. Contents of the invention [0004] Aiming at the deficiencies in the prior art, the object of the present invention is to provide a heating system for moving paper webs and a drying method thereof, aiming at solving the problems in the above...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21F5/18D21F5/00D21F5/20D21F7/00B08B5/02
CPCD21F5/187D21F5/008D21F5/20D21F7/00B08B5/02
Inventor 郑飞李志林刘亮华洪胜徐论涛
Owner VINDA PAPER ZHEJIANG
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