Preparation method of corrosion-resistant high-strength metal fiber felt

A technology of metal fiber felt and metal fiber, applied in separation methods, chemical instruments and methods, filtration separation, etc., can solve the problem of mechanical quality of metal fiber felt, poor corrosion resistance, short service life and instability, and poor filtration accuracy High-level problems, to achieve the effect of easy large-scale promotion and application, good mechanical quality, and process specifications

Active Publication Date: 2018-12-04
安徽东大滤材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the existing metal fiber felts have problems such as low filtration accuracy, poor efficiency, short service life and instability.
People have carried out a lot of experiments to improve this, as the application number is: 201010561225.6 discloses a kind of production method of metal fiber felt, through operations such as the design of metal fiber felt, sintering, the filtering effect of fiber felt has been improved; But this method The mechanical quality and corrosion resistance of the metal fiber felt are not good.

Method used

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  • Preparation method of corrosion-resistant high-strength metal fiber felt

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A method for preparing a corrosion-resistant high-strength metal fiber felt, comprising the steps of:

[0032] (1) Metal fiber preparation:

[0033] Metal fibers or metal alloys are made into metal fibers after cluster drawing processing, and then the metal fibers are cut into short lengths to make chopped metal fibers for use;

[0034] (2) Preparation of semi-finished metal fiber felt:

[0035] According to the requirements of filtration accuracy, mix the chopped metal fibers prepared in step (1) through the felting machine cloth method to make a single-layer loose and porous metal fiber felt, and then mix the above-mentioned single-layer metal fiber felt according to the requirements After one or more layers of superimposed processing, the semi-finished metal fiber felt is obtained for use;

[0036] (3) Sintering treatment:

[0037] Put the semi-finished metal fiber mat obtained in step (2) into a constant temperature box for preheating treatment, and perform ultra...

Embodiment 2

[0053] A method for preparing a corrosion-resistant high-strength metal fiber felt, comprising the steps of:

[0054] (1) Metal fiber preparation:

[0055] Metal fibers or metal alloys are made into metal fibers after cluster drawing processing, and then the metal fibers are cut into short lengths to make chopped metal fibers for use;

[0056] (2) Preparation of semi-finished metal fiber felt:

[0057] According to the requirements of filtration accuracy, the chopped metal fibers obtained in step (1) are mixed through the felting machine to make a single-layer loose and porous metal fiber felt, and then the above-mentioned single-layer metal fiber felt is mixed according to the requirements. After one or more layers of superimposed processing, the semi-finished metal fiber felt is obtained for use;

[0058] (3) Sintering treatment:

[0059] Put the semi-finished metal fiber mat obtained in step (2) into a constant temperature box for preheating treatment, and perform ultras...

Embodiment 3

[0075] A method for preparing a corrosion-resistant high-strength metal fiber felt, comprising the steps of:

[0076] (1) Metal fiber preparation:

[0077] Metal fibers or metal alloys are made into metal fibers after cluster drawing processing, and then the metal fibers are cut into short lengths to make chopped metal fibers for use;

[0078] (2) Preparation of semi-finished metal fiber felt:

[0079] According to the requirements of filtration accuracy, the chopped metal fibers obtained in step (1) are mixed through the felting machine to make a single-layer loose and porous metal fiber felt, and then the above-mentioned single-layer metal fiber felt is mixed according to the requirements. After one or more layers of superimposed processing, the semi-finished metal fiber felt is obtained for use;

[0080] (3) Sintering treatment:

[0081] Put the semi-finished metal fiber felt obtained in step (2) into a constant temperature box for preheating treatment, and perform ultra...

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Abstract

The invention discloses a preparation method of corrosion-resistant high-strength metal fiber felt. The preparation method comprises the following steps: (1) preparation of metal fiber; (2) preparation of semi-finished metal fiber felt; (3) sintering treatment; (4) rolling treatment; (5) modification treatment; and (6) drying treatment. The invention provides the preparation method of the metal fiber felt, the process is standard, the steps are reasonably matched, the overall preparation cost is low, and the preparation method is convenient for large-scale popularization and application, and the prepared metal fiber felt has good mechanical use quality, strong temperature resistance and corrosion resistance, and good market competitiveness and production efficiency.

Description

technical field [0001] The invention belongs to the technical field of metal fiber and product processing, and in particular relates to a method for preparing a corrosion-resistant high-strength metal fiber felt. Background technique [0002] Metal fiber is an important branch in the field of metal materials, which is the result of the interdisciplinary development of material science and fiber science. The metal fiber porous material sintered by metal fiber is a new type of engineering material with excellent performance that is rapidly developing in current material science and has dual properties of function and structure. Its light weight and high strength make it have a good application prospect. At present It has been widely used in many fields such as aerospace, metallurgical machinery, petrochemical industry, electronic communication, chemical engineering, construction transportation, energy and environmental protection, national defense and military industry, biopha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D39/10B22F3/11
CPCB01D39/10B01D2239/04B01D2239/10B22F3/11
Inventor 郭平
Owner 安徽东大滤材有限公司
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