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Composite steel for preparing ceramic liners

A technology of composite steel and ceramic lining, which is applied in the production field of materials and steel pipe materials, can solve the problems of product strength and performance, and cannot be widely used, and achieves the effect of high rigidity, favorable application and easy production.

Inactive Publication Date: 2017-05-24
孙建中
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the current ceramic-lined composite steel pipe cannot be widely used due to many factors, especially the industrial production and the strength and performance of the product.

Method used

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  • Composite steel for preparing ceramic liners

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Experimental program
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Effect test

Embodiment Construction

[0009] 1. Raw materials for the production of ceramic-lined composite steel pipes:

[0010]

[0011] 2. Additives such as chromium oxide, quartz sand, and borax effectively increase the melting temperature of the aluminothermic reaction, delay the solidification time of the ceramic layer, and fill the gap inside the ceramic layer to make the ceramic layer compact.

[0012] 3. Preparation method of ceramic-lined composite steel pipe:

[0013] (1) Ordinary steel pipe is used, and the inner wall of the pipe is cleaned.

[0014] (2) Batching, according to the requirements of 1, batching is carried out according to the weight ratio, and the amount of material is dosed according to the thickness of the ceramic layer.

[0015] (3) Mixing, mix the prepared materials in the mixer for 1~2 hours.

[0016] (4) Drying. Bake the material in a dryer for 1-2 hours at a drying temperature of 100-200°C.

[0017] (5) Loading, evenly load the dried material in step (4) into the steel pipe. ...

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Abstract

The invention relates to composite steel for preparing ceramic liners, belongs to the material field and particularly relates to the technical field of production of steel pipe materials with ceramic liners. The composite steel pipe is prepared from ferroferric oxide, chromium oxide, quartz, borax and cerium elements which account for 65%-80%, 20%-30%, 2%-4%, 2%-4% and 0.01%-0.1% of the total weight of the composite steel pipe respectively. With the adoption of the formula, particularly under the synergistic effect of ferroferric oxide and cerium elements, the product is easy to produce, the produced product has high rigidity, and application is facilitated.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to the technical field of production of steel pipe materials with ceramic linings. [0002] technical background [0003] With the development of industrial technology, more and more iron-based wastes are produced in my country's iron and steel industry, and the country spends a lot of manpower, material and financial resources to deal with these wastes. Facing the current environmental situation, relevant enterprises are looking for various effective, environmentally friendly and economical solutions. [0004] However, the ceramic-lined composite steel pipe produced directly by thermite has defects such as rough ceramic surface and many internal pores. Selecting appropriate additives is one of the effective methods to solve this problem. [0005] However, the current ceramic-lined composite steel pipe cannot be widely used due to many factors, especially the industrial producti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/26
Inventor 孙建中
Owner 孙建中