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Quenching zone ceramic roller plaster

A technology of ceramic roller rods and quenching belts, which is applied in the field of ceramic materials, can solve the problems of affecting the quality of ceramic products, increasing energy consumption of kilns, and poor sealing, so as to improve the recycling rate, increase the rate of high-quality products, and avoid roll-up Effect

Pending Publication Date: 2022-07-08
广东金刚新材料有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the quenching zone of the roller kiln, since the cooling air is used to quickly cool the ceramics, a low-expansion ceramic roller with a toothed surface that is easy to dissipate heat is used in this area. This toothed ceramic roller When rotating, the tooth-shaped part of the surface of the roller at the position of the hole brick in the kiln wall is easy to roll up the refractory cotton plugged in the hole brick to play a sealing role, thus causing the roller kiln to be poorly sealed and air leakage at the hole brick position. The energy consumption of the kiln increases and seriously affects the quality of ceramic products

Method used

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  • Quenching zone ceramic roller plaster

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Recipe: 65 parts of low thermal expansion ceramic roller scrap, 22 parts of sintered mullite (including Al 2 O 3 65wt%), 15 parts of cordierite (including Al 2 O 3 28wt%, SiO 2 54wt%, MgO 9wt%), 30 parts of kaolin (including Al 2 O 3 24wt%, Fe 2 O 3 1.1wt%), 25 parts of aluminum dihydrogen phosphate solution (specific gravity is 1.44g / cm 3 , PH value is 1.5), 7 parts of milky white glue (PH value is 5, viscosity 25000mPa·s). The particle size of low thermal expansion ceramic roller scrap, sintered mullite and cordierite is 20-30 μm, and the particle size of kaolin is 0.05-1 μm.

[0034] Preparation method: Pour low thermal expansion ceramic roller waste, sintered mullite, cordierite, kaolin, aluminum dihydrogen phosphate solution and milk white glue into a mixer and mix evenly to obtain a quenched ceramic roller cement.

Embodiment 2

[0036] Recipe: 65 parts of low thermal expansion ceramic roller scrap, 22 parts of sintered mullite (including Al 2 O 3 65wt%), 15 parts of cordierite (including Al 2 O 3 35wt%, SiO 2 50wt%, MgO 12wt%), 30 parts of kaolin (including Al 2 O 3 26wt%, Fe 2 O 3 1wt%), 25 parts of aluminum dihydrogen phosphate solution (specific gravity is 1.44g / cm 3 , PH value is 1.5), 7 parts of milky white glue (PH value is 5, viscosity 25000mPa·s). The particle size of low thermal expansion ceramic roller scrap, sintered mullite and cordierite is 20-30 μm, and the particle size of kaolin is 0.05-1 μm.

[0037] Preparation method: Pour low thermal expansion ceramic roller waste, sintered mullite, cordierite, kaolin, aluminum dihydrogen phosphate solution and milk white glue into a mixer and mix evenly to obtain a quenched ceramic roller cement.

Embodiment 3

[0039] Recipe: 65 parts of low thermal expansion ceramic roller scrap, 22 parts of sintered mullite (including Al 2 O 3 70wt%), 15 parts of cordierite (including Al 2 O 3 28wt%, SiO 2 54wt%, MgO 9wt%), 30 parts of kaolin (including Al 2 O 3 26wt%, Fe 2 O 3 1wt%), 25 parts of aluminum dihydrogen phosphate solution (specific gravity is 1.44g / cm 3 , PH value is 1.5), 7 parts of milky white glue (PH value is 5, viscosity 25000mPa·s). The particle size of low thermal expansion ceramic roller scrap, sintered mullite and cordierite is 20-30 μm, and the particle size of kaolin is 0.05-1 μm.

[0040] Preparation method: Pour low thermal expansion ceramic roller waste, sintered mullite, cordierite, kaolin, aluminum dihydrogen phosphate solution and milk white glue into a mixer and mix evenly to obtain a quenched ceramic roller cement.

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Abstract

The invention discloses quench zone ceramic roller daub, which is prepared from the following ingredients in parts by weight: 55 to 75 parts of ceramic roller waste materials, 13 to 33 parts of mullite, 8 to 25 parts of cordierite, 20 to 40 parts of kaolin, 18 to 35 parts of aluminum dihydrogen phosphate solution and 4 to 12 parts of white latex. The surface drying speed is high at the normal temperature, the bonding strength is high, the tooth-shaped surface of the quenching zone ceramic roller is effectively filled and leveled up, fireproof cotton is prevented from being rolled up, air leakage of a kiln is prevented, and the product quality is effectively improved.

Description

technical field [0001] The invention relates to the technical field of ceramic materials, in particular to a quenching belt ceramic roller stick cement. Background technique [0002] At present, the ceramic rollers used in the ceramic roller kiln are placed on the bearings supported on both sides outside the kiln by passing through the hole bricks in the middle of the kiln wall. In the quench zone area of ​​the roller kiln, since the ceramics are rapidly cooled by blowing cold air, a low-expansion ceramic roller with a toothed surface that is easy to dissipate heat is used in this area. This toothed ceramic roller During the rotation, the toothed part of the surface of the roller at the hole brick position of the kiln wall is easy to roll up the refractory cotton that is plugged in the hole brick to play a sealing role, resulting in poor sealing and air leakage at the hole brick position of the roller kiln. The energy consumption of the kiln increases and seriously affects ...

Claims

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Application Information

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IPC IPC(8): C04B35/66C04B33/13C04B33/132C04B35/63
CPCC04B35/66C04B33/1324C04B33/1315C04B33/131C04B33/1305C04B35/6309C04B2235/3463C04B2235/3481Y02P40/60Y02P40/10
Inventor 刘程王玉梅马建国杨华亮冯斌孔令锋
Owner 广东金刚新材料有限公司