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Nickel residue thermal insulation ceramic tile preparation method

A technology of thermal insulation ceramics and nickel slag, which is applied in the direction of ceramic products, ceramic material production, clay products, etc. It can solve the problems of insufficient thermal insulation performance of ceramic bricks, achieve the effects of optimizing the structure design of houses, low raw material costs, and improving economic efficiency

Pending Publication Date: 2020-04-10
GUANGDONG BUILDING MATERIAL RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for preparing nickel slag thermal insulation ceramic bricks, which solves the technical problems of existing nickel slag recycling and insufficient thermal insulation performance of ceramic bricks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] This embodiment provides a method for preparing nickel slag heat insulating ceramic bricks, comprising the following steps:

[0031] (1) nickel slag and sodium dodecylbenzene sulfonate of nickel slag quality 0.1% are put into ball mill and carry out ball milling, cross 100 mesh sieves again, obtain nickel slag powder, nickel slag powder is carried out deironing treatment;

[0032] (2) nickel slag powder, perlite, kaolin are put into ball mill according to the mass ratio of 40:30:30, add 1% Li of nickel slag powder, perlite, kaolin gross mass 2 CO 3 and 1% Na 2 CO 3 , add water for ball milling, spray granulation after drying to obtain powder.

[0033] (3) Inject the granulated powder (with a moisture content of 5.4%) into the mold, press and form it under 20MPa, dry it and put it into a high-temperature furnace for sintering, the sintering temperature is 1200°C, and the holding time is 20min, and the nickel slag can be obtained Insulating ceramic tiles.

[0034] Th...

Embodiment 2

[0036] This embodiment provides a method for preparing nickel slag heat insulating ceramic bricks, comprising the following steps:

[0037] (1) nickel slag and sodium dodecylbenzene sulfonate of nickel slag quality 0.1% are put into ball mill and carry out ball milling, cross 100 mesh sieves again, obtain nickel slag powder, nickel slag powder is carried out deironing treatment;

[0038] (2) nickel slag powder, perlite, kaolin are put into ball mill according to the mass ratio of 50:30:20, add 0.5% Li of nickel slag powder, perlite, kaolin gross mass 2 CO 3 and 1% Na 2 CO 3 , add water for ball milling, spray granulation after drying to obtain powder.

[0039] (3) Inject the granulated powder (moisture content 6.3%) into the mold, press and shape it under 20MPa, dry it and put it into a high-temperature furnace for sintering, the sintering temperature is 1200°C, and the holding time is 20min, and the nickel slag can be obtained Insulating ceramic tiles.

[0040] The perfo...

Embodiment 3

[0042] This embodiment provides a method for preparing nickel slag heat insulating ceramic bricks, comprising the following steps:

[0043] (1) nickel slag and sodium dodecylbenzene sulfonate of nickel slag quality 0.5% are put into ball mill and carry out ball milling, cross 100 mesh sieves again, obtain nickel slag powder, nickel slag powder is carried out deironing process;

[0044] (2) nickel slag powder, perlite, kaolin are put into ball mill according to the mass ratio of 40:40:20, add 1% Li of nickel slag powder, perlite, kaolin gross mass 2 CO 3 and 1% carboxymethyl cellulose, add water to carry out ball milling, spray granulation after drying to obtain powder.

[0045](3) Inject the granulated powder (moisture content 6.1%) into the mold, press and shape it under 20MPa, dry it and put it into a high-temperature furnace for sintering, the sintering temperature is 1200°C, and the holding time is 20min, and the nickel slag can be obtained Insulating ceramic tiles.

[...

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Abstract

The invention provides a nickel residue thermal insulation ceramic tile preparation method, which comprises: (1) placing nickel residue and a grinding aid into a ball mill, carrying out ball milling,and screening to obtain nickel residue powder; (2) weighing the nickel residue powder, perlite and kaolin, adding a sintering aid and a foaming agent, adding water, grinding, and granulating to obtainpowder; and (3) injecting the granulated powder into a mold, carrying out press molding, drying, and calcining to obtain the nickel residue thermal insulation ceramic tile. According to the preparation method of the nickel residue thermal insulation ceramic tile, the nickel residue can be utilized on a large scale, the problems of nickel residue accumulation and environmental pollution are solved, and environmental protection benefits and economic benefits are achieved; and the prepared ceramic tile has light thermal insulation function, can be applied to external wall thermal insulation of high-rise buildings, reduces the dead weight of the high-rise buildings, and can optimize the structural design of buildings and improve the economy of the buildings.

Description

technical field [0001] The invention relates to a preparation method of thermal insulation ceramic bricks, in particular to a preparation method of nickel slag thermal insulation ceramic bricks. Background technique [0002] Thermal insulation ceramic bricks refer to ceramic bricks with small bulk density, thermal insulation properties, and hindrance to heat transfer. As a ceramic tile, it can be used not only to prevent heat inflow under high temperature environment in summer, but also to prevent heat outflow under low temperature environment in winter. Statistics show that the heat loss of external walls accounts for about 32.1% to 36.2% of the total energy consumption of buildings. Therefore, it is an essential and important content in buildings to adopt thermal insulation treatment on the external wall structure of buildings to reduce building energy consumption. Can reduce the energy used for heating and cooling, and reduce CO 2 , SO 2 emissions, avoid wasting non-re...

Claims

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Application Information

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IPC IPC(8): C04B33/138C04B38/02
CPCC04B33/138C04B35/185C04B35/195C04B38/02C04B2235/3463C04B2235/3201C04B2235/3203C04B2235/3409C04B2235/3826C04B2235/656C04B2235/6567C04B2235/77C04B2235/96C04B2235/9607C04B38/0067Y02P40/60
Inventor 苏青陈哲谢红波吴春丽麦俊明刘兴博
Owner GUANGDONG BUILDING MATERIAL RES INST
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