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A kind of production process of silicate insulation felt with waste fiber as raw material

A waste fiber and production process technology, applied in the field of thermal insulation materials, can solve problems such as human health hazards, and achieve the effects of low cost, improved toughness, and easy-to-obtain materials

Active Publication Date: 2022-06-28
CHENGDU SOLVER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At the same time, asbestos in the composite silicate insulation blanket has been clearly listed as a carcinogen, but its content in the air must reach a certain level before it can cause harm to human health

Method used

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  • A kind of production process of silicate insulation felt with waste fiber as raw material
  • A kind of production process of silicate insulation felt with waste fiber as raw material
  • A kind of production process of silicate insulation felt with waste fiber as raw material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A production process of silicate insulation felt using waste fiber as raw material, comprising the following steps:

[0037] A. Prepare 50 parts by weight of high-temperature-resistant fibers in proportion, and wet and disperse them with water;

[0038] B, the foaming agent of 1 weight part is configured in proportion, and water is added to be configured into a foaming aqueous solution;

[0039] C. Spray the foaming aqueous solution and compressed air from the same nozzle into the wetted fibers, add 2 parts by weight of adhesive, and stir evenly to obtain a slurry;

[0040] D. Put the configured slurry into the mold and dry to obtain the finished product.

Embodiment 2

[0042] A production process of silicate insulation felt using waste fiber as raw material, comprising the following steps:

[0043] A. Prepare 50 parts by weight of high-temperature-resistant fibers in proportion, and wet and disperse them with water;

[0044] B, the foaming agent of 3 parts by weight is configured in proportion, and water is added to be configured into a foaming aqueous solution;

[0045] C. Spray the foaming aqueous solution and compressed air into the wetted fibers from the same nozzle, add 5 parts by weight of adhesive, and stir evenly to obtain a slurry;

[0046] D. Put the configured slurry into the mold and dry to obtain the finished product.

[0047] The pressure of the compressed air is 0.1MPa.

[0048]In the B step, the mass ratio of the foaming agent to the amount of water added is 1:10.

[0049] The volume ratio of the foaming aqueous solution to the amount of compressed air introduced is 1:50.

[0050] The baking temperature of step D is 100°C...

Embodiment 3

[0052] A production process of silicate insulation felt using waste fiber as raw material, comprising the following steps:

[0053] A. Prepare 50 parts by weight of high-temperature-resistant fibers in proportion, and wet and disperse them with water;

[0054] B, the foaming agent of 2 parts by weight is configured in proportion, and water is added to be configured into a foaming aqueous solution;

[0055] C. Spray the foaming aqueous solution and compressed air from the same nozzle into the wetted fibers, add 3 parts by weight of adhesive, and stir evenly to obtain a slurry;

[0056] D. Put the configured slurry into the mold and dry to obtain the finished product.

[0057] The pressure of the compressed air is 0.6MPa.

[0058] In the B step, the mass ratio of the foaming agent to the amount of water added is 1:50.

[0059] The volume ratio of the foaming aqueous solution to the amount of compressed air introduced is 1:200.

[0060] The baking temperature of step D is 200...

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Abstract

The invention provides a production process of silicate insulation felt using waste fiber as raw material, comprising the following steps: mixing 50 parts by weight of high temperature resistant fiber in proportion, wetting and dispersing with water; mixing 1-3 parts by weight of The foaming agent is configured in proportion, and water is added to form a foaming aqueous solution; the foaming aqueous solution and compressed air are sprayed into the wetted fibers from the same nozzle, and 2-5 parts by weight of adhesive are added, and stirred evenly to obtain Slurry: put the prepared slurry into the mold, dry it, and get the finished product. The production process uses waste fiber as raw material, realizes the reuse of waste fiber, has low cost, and the raw material does not contain asbestos, and the produced product has high safety.

Description

technical field [0001] The invention belongs to the technical field of thermal insulation materials, and in particular relates to a production process of silicate thermal insulation felt using waste fibers as raw materials. Background technique [0002] Thermal insulation materials are of great significance for energy saving and emission reduction. Reasonable use of thermal insulation materials can bring huge economic and social benefits, greatly reduce the heat loss of equipment and pipelines, and reduce carbon dioxide emissions. Composite silicate insulation felt is used in a large amount and has a wide range of applications. It has been the preferred material for industrial equipment and pipelines for a long time. But the composite silicate insulation blanket that prior art produces all contains asbestos, what its main material adopts is natural mineral fiber such as asbestos and silicate mineral fiber after mixing, and makes through beating, foaming, molding, drying. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/10C04B28/06C04B111/40
CPCC04B28/06C04B2111/40C04B2201/20C04B2201/32C04B22/00C04B24/2641C04B22/06C04B14/42C04B14/4631C04B14/4643C04B14/4656C04B24/383C04B24/2652C04B24/32C04B24/121C04B38/10C04B38/0067
Inventor 陈德东杜林海其他发明人请求不公开姓名
Owner CHENGDU SOLVER TECH