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A kind of high temperature resistant fiber sheet and its preparation method and fiber roll pressing method

A fiber sheet and fiber roll technology, applied in the field of materials, can solve the problems affecting the yield of products, surface defects of strip steel, poor high temperature resistance, etc., and achieve the effects of suitable surface hardness, improved service life, and improved surface quality.

Active Publication Date: 2021-04-27
江苏亿维耐机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Non-metallic rollers are sintered at high temperature, have high surface hardness, are easy to scratch the strip steel at high temperature, have poor high temperature resistance, have no elasticity at high temperature, and have large shrinkage and cracks during use, which can easily cause surface defects on the strip steel, thereby The product is reduced to inferior or judged as scrap steel, which directly affects the yield of the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A method for making a high temperature resistant fiber sheet, characterized in that it comprises the following steps:

[0031] Ingredients: Weigh the following raw materials: ceramic fiber 56%, mineral fiber 8%, clay mineral 14%, silicon dioxide 13%, water 9%, and place them in different containers;

[0032] Stirring: Add water to the mixing box, then add ceramic fibers and mineral fibers to the mixing box, and stir for 75 minutes to disperse the ceramic fibers and mineral fibers; then add clay minerals and silicon dioxide to the above mixing box, and stir for 80 minutes to obtain a mixed slurry ;

[0033] Forming: Send the mixed slurry into the rotary paper machine to make a 5mm thick fiberboard;

[0034] Stamping: stamping the fiberboard into annular fiber sheets of corresponding specifications;

[0035] Drying: put the ring-shaped fiber sheet into the oven, set the temperature at 160°, and keep it warm for at least 38 hours to get the finished product.

Embodiment 2

[0037] A method for making a high temperature resistant fiber sheet, characterized in that it comprises the following steps:

[0038] Ingredients: Weigh the following raw materials: ceramic fiber 52%, mineral fiber 10%, clay mineral 15%, silicon dioxide 16%, water 7%, and place them in different containers;

[0039] Stirring: Add water to the mixing box, then add ceramic fibers and mineral fibers to the mixing box, and stir for 65 minutes to disperse the ceramic fibers and mineral fibers; then add clay minerals and silicon dioxide to the above mixing box, and stir for 70 minutes to obtain a mixed slurry ;

[0040] Forming: Send the mixed slurry into the cylinder paper machine to make 8mm thick fiberboard;

[0041] Stamping: stamping the fiberboard into annular fiber sheets of corresponding specifications;

[0042] Drying: Put the ring-shaped fiber sheet into the oven, set the temperature at 190°, and keep it warm for at least 34 hours to get the finished product.

Embodiment 3

[0044] A method for making a high temperature resistant fiber sheet, characterized in that it comprises the following steps:

[0045] Ingredients: Weigh the following raw materials: ceramic fiber 48%, mineral fiber 13%, clay mineral 13%, silicon dioxide 18%, water 8%, and place them in different containers;

[0046] Stirring: Add water to the mixing box, then add ceramic fibers and mineral fibers to the mixing box, and stir for 70 minutes to disperse the ceramic fibers and mineral fibers; then add clay minerals and silicon dioxide to the above mixing box, and stir for 75 minutes to obtain a mixed slurry ;

[0047] Forming: Send the mixed slurry into the rotary paper machine to make a 10mm thick fiberboard;

[0048] Stamping: stamping the fiberboard into annular fiber sheets of corresponding specifications;

[0049] Drying: Put the ring-shaped fiber sheet into the oven, set the temperature at 175°, and keep it warm for at least 36 hours to get the finished product.

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Abstract

A high-temperature-resistant fiber sheet and its preparation method and fiber roll pressing method are prepared from the following raw materials: ceramic fiber 45-60%; mineral fiber 5-15%; clay mineral 10-20%; silicon dioxide 10-20% %; the rest is water. The preparation method comprises the following steps: batching, stirring, molding, stamping and drying. A method for pressing and installing a fiber roll, comprising preparation, hoisting, sheet taking, and pressing. The invention is easy to manufacture, has good high temperature resistance, is not easy to sinter at high temperature, has suitable surface hardness, is not easy to scratch the strip steel at high temperature, improves the service life of the furnace roller, greatly improves the surface quality of the strip steel, and reduces the production cost .

Description

technical field [0001] The invention relates to the field of materials, in particular to a high-temperature-resistant fiber sheet, a preparation method and a fiber roll pressing method. Background technique [0002] Stainless steel cold-rolled continuous annealing furnace, the working temperature is generally as high as about 1150 ℃, the cold-rolled stainless steel strip is continuously annealed in the furnace, and the operation of the steel strip in the furnace is supported by high-temperature resistant non-metallic rollers. Non-metallic rollers are sintered at high temperature, have high surface hardness, are easy to scratch the strip steel at high temperature, have poor high temperature resistance, have no elasticity at high temperature, and have large shrinkage and cracks during use, which can easily cause surface defects on the strip steel, thereby The product is reduced to inferior or judged as scrap steel, which directly affects the yield of the product. Contents of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/80C04B35/14C04B35/622C04B33/36C04B33/13C21D9/56
CPCC04B33/131C04B33/36C04B35/14C04B35/622C04B2235/349C04B2235/5216C04B2235/522C04B2235/5224C21D9/56C21D9/563
Inventor 郑瑜
Owner 江苏亿维耐机械制造有限公司
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