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Energy-saving kiln and preparation method thereof

A kiln furniture and mold technology, applied in the field of refractory materials, can solve the problems of high equipment requirements, large investment, and expensive production costs

Inactive Publication Date: 2018-09-21
湖南仁龙新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide an energy-saving kiln furniture, which can solve the complex production technology of silicon nitride combined with silicon carbide and recrystallized silicon carbide products in the prior art, high equipment requirements, Large investment, expensive production cost, limited in the marketing process, etc., the energy-saving kiln furniture prepared by the present invention is resistant to high temperature, energy-saving (saving natural gas), small in size, small in deformation, light in weight, high in strength, strong in oxidation resistance, The shape is regular and the service life is significantly improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] An energy-saving kiln furniture, the components of the materials used in it and the weight percentage of each component are as follows:

[0035] SiSiC: 90%;

[0036] Al 2 TiO 5 :2%;

[0037] B 4 C: 0.1%;

[0038] Si 2 ON 2 : 3%;

[0039] Binder: 0.2%;

[0040] The balance is water, totaling 100%; where,

[0041] The SiSiC is a mixture of particles with a particle size of 20 mesh and fine powder with a particle size of 200 mesh;

[0042] The Si 2 ON 2 and Al 2 TiO 5 It is a fine powder with a particle size of 7 μm.

[0043] The binder is dextrin.

[0044] The steps included in the preparation method of the energy-saving kiln furniture include:

[0045] 1) Mixing: prepare materials according to the components and weight percentages of the materials used in energy-saving kiln furniture, put the components except the adhesive into the mixer for a period of time, and then put After putting the adhesive of corresponding weight percentage into the mixture, sti...

Embodiment 2

[0060] An energy-saving kiln furniture, the components of the materials used in it and the weight percentage of each component are as follows:

[0061] SiSiC: 85%;

[0062] Al 2 TiO 5 : 7%;

[0063] B 4 C: 3%;

[0064] Si 3 N 4 : 0.1%;

[0065] Binder: 3.5%;

[0066] The balance is water, totaling 100%; where,

[0067] The SiSiC is a mixture of particles with a particle size of 5 mesh and fine powder with a particle size of 130 mesh;

[0068] The Si 3 N 4 and Al 2 TiO 5 It is a fine powder with a particle size of 3 μm.

[0069] The adhesive is a 10% polyvinyl alcohol PVA solution.

[0070] The steps included in the preparation method of the energy-saving kiln furniture include:

[0071] 1) Mixing: prepare materials according to the components and weight percentages of the materials used in energy-saving kiln furniture, put the components except the adhesive into the mixer for a period of time, and then put After putting the adhesive of corresponding weight per...

Embodiment 3

[0086] An energy-saving kiln furniture, the components of the materials used in it and the weight percentage of each component are as follows:

[0087] SiSiC: 98%;

[0088] Al 2 TiO 5 : 0.15%;

[0089] B 4 C: 0.1%;

[0090] Si 2 ON 2 : 0.1%;

[0091] Binder: 1%;

[0092] The balance is water, totaling 100%; where,

[0093] The SiSiC is a mixture of particles with a particle size of 95 mesh and fine powder with a particle size of 380 mesh;

[0094] The Si 2 ON 2 and Al 2 TiO 5 It is a fine powder with a particle size of 8 μm.

[0095] The binder is methyl cellulose.

[0096] The steps included in the preparation method of the energy-saving kiln furniture include:

[0097] 1) Mixing: prepare materials according to the components and weight percentages of the materials used in energy-saving kiln furniture, put the components except the adhesive into the mixer for a period of time, and then put After putting the adhesive of corresponding weight percentage into the...

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Abstract

The invention discloses an energy-saving kiln and preparation method thereof. The weight and percentage of components used for energy-saving kiln are as follows: SiSiC:85%-98%; Al2TiO5:0.15%-10%; B4C:0.1%-3%; Si2ON2 or Si3N4: 0.1%-3%; adhesive: 0.13%-3.5%; the balance is water, and the total amount is 100%; wherein the SiSiC is a mixture of particles with a particle size of 5-95 and a fine powderwith a particle size of from 130-380; the Si2ON2 or Si3N4 and Al2TiO5 are micro-powders with a particle size of less than 9 micrometer. The energy-saving kiln and preparation method can solve the problems of complicated production technology, high equipment requirements, large investment, high production cost, and the like in the market promotion process of silicon nitride and recrystallized silicon carbide products in the prior art, and the energy-saving kiln furniture prepared by the invention has high temperature resistance. The energy-saving kiln and preparation method has the advantagesof energy saving (natural gas saving), small volume, small deformation, light weight, high strength, strong oxidation resistance, regular appearance and remarkable service life.

Description

technical field [0001] The invention relates to energy-saving kiln furniture and a preparation method thereof, belonging to the technical field of refractory materials. Background technique [0002] At present, the production of kiln furniture in my country's ceramic industry has a long history. It is used to support and protect refractory products in the firing process of ceramic products. Its performance and quality are directly related to the ceramics to be fired. Products, but also have a great impact on firing costs, so the quality of kiln furniture is very important. [0003] Kiln furniture is a special-shaped refractory material used to support and protect products in the firing process, which has an extremely important impact on product quality and energy consumption. Correspondingly, the existing kiln furniture has poor thermal shock stability, unstable volume, short service life, and poor use effect. Generally, after 2000 kiln cycles, it will be cracked and damaged...

Claims

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Application Information

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IPC IPC(8): C04B35/66C04B35/567C04B35/622C04B35/636C04B35/634C04B35/65
CPCC04B35/573C04B35/622C04B35/63416C04B35/6365C04B35/66C04B2235/3234C04B2235/3821C04B2235/3873C04B2235/77C04B2235/96
Inventor 钟启龙钟航宇方梅
Owner 湖南仁龙新材料有限公司
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