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Process for manufacturing flat vulcanized fibre

A manufacturing process and technology of steel paper, applied in the field of manufacturing process of flat steel paper, can solve the problems of easy cracking, easy deformation, uneven shrinkage, etc.

Active Publication Date: 2010-12-08
新疆源一科创有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to propose a flat steel paper manufacturing process for the defects of uneven shrinkage, easy deformation, easy cracking and poor safety in the prior art, so as to achieve uniform shrinkage, no deformation, no cracking and high safety The advantages

Method used

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  • Process for manufacturing flat vulcanized fibre
  • Process for manufacturing flat vulcanized fibre

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] According to an embodiment of the present invention, a kind of manufacturing process of flat steel paper is proposed, comprising the following steps:

[0036] Step 1: Carry out gelling treatment on the base paper for steel paper, specifically:

[0037] Under different climate and temperature conditions, zinc chloride solutions with different specific gravity of zinc chloride are used, and corresponding temperature requirements are set to impregnate and heat the base paper for steel paper to obtain base paper slurry;

[0038] When the temperature of the mixed solution of zinc chloride solution and base paper reaches the set requirements, according to the thickness design requirements of the flat steel paper, set the number of winding turns of the base paper slurry on the gelling machine, that is, when the thickness of the flat steel paper is designed When the requirements are high, the number of winding turns is relatively large; here, the corresponding relationship betw...

Embodiment 2

[0067] In this embodiment, the gelation step and the desalination step are different from the above embodiments.

[0068] Among them, in the gelling step, the specific values ​​and corresponding relations of the climate temperature, the specific gravity of zinc chloride, the temperature of the zinc chloride solution, the temperature of the upper drying cylinder and the temperature of the lower drying cylinder can be found in Table 3.

[0069] Table 3: Climatic temperature, specific gravity of zinc chloride, temperature of zinc chloride solution, temperature of upper drying cylinder and temperature of lower drying cylinder Correspondence between degrees (Example 2)

[0070] climate temperature ℃

Zinc chloride specific gravity

Upper drying cylinder temperature ℃

Lower drying cylinder temperature ℃

Zinc chloride solution temperature °C

33

1.989

85

57.5

48

[0071] 28

1.975

83

57.5

46

...

Embodiment 3

[0076] In this embodiment, in this embodiment, the difference from the above embodiment is the gelation step and the desalination step.

[0077] Among them, in the gelling step, the specific values ​​and corresponding relations of the climate temperature, the specific gravity of zinc chloride, the temperature of the zinc chloride solution, the temperature of the upper drying cylinder and the temperature of the lower drying cylinder can be found in Table 5.

[0078] Table 5: Climatic temperature, specific gravity of zinc chloride, temperature of zinc chloride solution, temperature of upper drying cylinder and temperature of lower drying cylinder Correspondence between degrees (Example 3)

[0079] climate temperature ℃

Zinc chloride specific gravity

Upper drying cylinder temperature ℃

Lower drying cylinder temperature ℃

Zinc chloride solution temperature °C

35

1.982

90

60

50

30

1.969

88

60

48

...

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Abstract

The invention discloses a process for manufacturing flat vulcanized fibre. The process comprises the following steps of: performing gelling treatment on base paper by using solution of zinc chloride according to the preset temperature condition; cramming a plurality of gelled raw vulcanized fibre flat plates into grids to perform ageing treatment; performing desalination on the aged raw vulcanized fibre by using the solution of zinc chloride with degressive relative concentration; and cleaning, drying and shaping the desalted raw vulcanized fibre flat plates sequentially. The manufacturing process can overcome the defects of non-uniform shrinkage, easy deformation, easy cracking, low safety and the like in the prior art so as to realize the advantages of uniform shrinkage, no deformation, no cracking and high safety.

Description

technical field [0001] The invention relates to papermaking technology, in particular to a manufacturing process of flat steel paper. Background technique [0002] Steel paper is a kind of processed paper with high hardness, also known as indurated paper. Steel paper paper is hard, with excellent elasticity, wear resistance, corrosion resistance, heat resistance, mechanical strength, insulation performance and mechanical processing forming performance, and is very easy to apply to various mechanical processing, such as cutting, drilling , sticking, punching and grinding, etc. [0003] Steel paper is mostly used as heat insulation gaskets, insulating materials and other parts in the fields of electrical appliances, textiles, transportation, aviation and machinery. Its products include flat plates, rolls and tubes, etc. The advantages of lightness and beautiful appearance; for example, the specific gravity of aluminum is 2.7, while that of steel paper is 1.25±0.10, and the s...

Claims

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Application Information

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IPC IPC(8): D21H27/12D21H27/14D21H17/66D21F5/06D21H25/02D21H25/06B24D11/02
Inventor 胡培林
Owner 新疆源一科创有限公司
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