Thermal shock-resistant corrosion-resistant refractory brick for garbage incinerator and preparation method thereof

A thermal shock resistance and garbage disposal technology, applied in the field of refractory materials, can solve the problems of unsatisfactory export market, low load deformation temperature, poor heat preservation effect, etc., achieve important economic and social benefits, resist erosion, and improve acid resistance caustic effect of alkali

Inactive Publication Date: 2017-03-29
MAANSHAN BAOLONG NEW BUILDING MATERIALS
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Problems solved by technology

Although the refractory bricks made by using the above raw materials and processes have solved the defects of the existing clay heat-insulating refractory bricks, such as low load deformation temperature, easy shrinkage at high temperature, high th

Method used

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Embodiment Construction

[0016] A heat-shock-resistant and corrosion-resistant refractory brick for waste treatment incinerators, made of the following raw materials in weight (kg): wollastonite 32, gypsum slag cement 47, chrome slag 25, sodium tungstate 9, stibnite 20, Polyaluminum ferric chloride 12, andesite 27, natural manganese sand 23, sodium polyacrylate 14, kimberlite tailings 38, white jade 23, konjac gum 7, zirconium silicon slag 25.

[0017] A method for preparing thermal shock-resistant and corrosion-resistant refractory bricks for waste treatment incinerators, comprising the following steps:

[0018] (1) Mix wollastonite, kimberlite tailings, and zirconium-silicon slag evenly, crush them, pass through a 90-mesh sieve, calcinate at 880°C for 1.5h, cool to room temperature, dry ball mill at 700r / min for 15min, and then follow the solid-to-liquid ratio of 1: 5 Add the ball-milled powder into a sulfuric acid solution with a mass fraction of 25%, heat it in a water bath to 65°C, soak it for 1....

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Abstract

The invention discloses a thermal shock-resistant corrosion-resistant refractory brick for a garbage incinerator and a preparation method thereof. The thermal shock-resistant corrosion-resistant refractory brick is prepared from 25-40 parts by weight of wollastonite, 41-53 parts by weight of gypsum-slag cement, 19-31 parts by weight of chrome slag, 6-12 parts by weight of sodium tungstate, 15-25 parts by weight of stibnite, 10-15 parts by weight of poly(aluminum-ferric chloride), 22-34 parts by weight of andesite, 16-29 parts by weight of natural manganese sand, 11-18 parts by weight of sodium polyacrylate, 32-44 parts by weight of kimberlite tailings, 17-30 parts by weight of white jade, 5-10 parts by weight of konjac gum and 20- 30 parts by weight of zirconium-containing silica residues. Through use of chrome slag, sodium tungstate and stibnite, thermal shock resistance of the refractory brick is remarkably improved and material damage caused by the change of the temperature of the garbage incinerator is reduced. Through use of the andesite, natural manganese sand and white jade, acid and base corrosion resistance of the refractory brick is remarkably improved to resist garbage incinerator interior corrosion caused by acid and base substances.

Description

technical field [0001] The invention relates to a heat-shock-resistant and corrosion-resistant refractory brick for a garbage treatment incinerator and a preparation method thereof, belonging to the field of refractory materials. Background technique [0002] Refractory bricks are refractory materials with a certain shape and size made of refractory clay or other refractory raw materials, and can withstand high temperatures of 1580°C-1770°C. According to the preparation process, it can be divided into fired bricks, unfired bricks, fused bricks (fused cast bricks), refractory and heat-insulating bricks; according to the shape and size, it can be divided into standard bricks, ordinary bricks, special bricks, etc. Refractory bricks can be used as high-temperature building materials and structural materials for construction kilns and various thermal equipment, and can withstand various physical and chemical changes and mechanical actions at high temperatures. [0003] The safe ...

Claims

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Application Information

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IPC IPC(8): C04B35/66F23G5/44
CPCC04B35/66C04B2235/96C04B2235/9607C04B2235/9692F23G5/44
Inventor 晋元龙陈德全
Owner MAANSHAN BAOLONG NEW BUILDING MATERIALS
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