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High-temperature combined tabular corundum sagger and manufacturing process thereof

A tabular corundum and production process technology, applied in the field of high-temperature saggars, can solve the problem of saggars entering materials and other problems, and achieve the effects of saving energy, avoiding pollution and resource waste, and having high recyclable value.

Active Publication Date: 2021-06-01
张会友
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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 provide a high-temperature combined plate-shaped corundum sagger, which solves the problem that impurities in the sagger enter the material when the loaded material is fired in the sagger technology, and is used for high-temperature combined plate The shape corundum sagger has good thermal shock stability, high purity and compactness, and the use frequency and service life of the sagger are long, which is convenient for the user of the sagger to load and unload materials, saves manpower, and has broad prospects for promotion; the invention also provides its manufacturing process

Method used

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  • High-temperature combined tabular corundum sagger and manufacturing process thereof
  • High-temperature combined tabular corundum sagger and manufacturing process thereof
  • High-temperature combined tabular corundum sagger and manufacturing process thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0037] A manufacturing process for a high-temperature combined plate-shaped corundum sagger, comprising the following steps:

[0038] (1) Mix 65% high-purity tabular alumina, 20% high-purity α-alumina, and 1.0% neutral binder evenly, add water and stir for 2 hours to make a slurry;

[0039] (2) Add the obtained slurry into a metal mold, and vibrate and press it through an upper-mounted vibration pressing molding machine to obtain a combined plate-shaped corundum sagger, which is composed of two parts. upper base;

[0040] (3) drying the sagger body at 90°C for 8 hours;

[0041] (4) Put the sagger body in a high-temperature kiln for sintering at 1600° C. for 1.5 hours, take it out, cool it, and polish it to obtain a high-temperature combined plate-shaped corundum sagger.

Embodiment 2

[0043] A manufacturing process for a high-temperature combined plate-shaped corundum sagger, comprising the following steps:

[0044] (1) Mix 75% high-purity tabular alumina, 20% high-purity α-alumina, and 2.0% neutral binder evenly, add water and stir for 2 hours to make a slurry;

[0045] (2) Add the obtained slurry into a metal mold, and vibrate and press it through an upper-mounted vibration pressing molding machine to obtain a combined plate-shaped corundum sagger, which is composed of two parts. upper base;

[0046] (3) drying the sagger body at 100°C for 10 hours;

[0047] (4) Put the sagger green body in a high-temperature kiln for sintering at 1700° C. for 2 hours, take it out, cool it, and polish it to obtain a high-temperature combined plate-shaped corundum sagger.

Embodiment 3

[0049] A manufacturing process for a high-temperature combined plate-shaped corundum sagger, comprising the following steps:

[0050] (1) Mix 70% high-purity tabular alumina, 25% high-purity α-alumina, and 3% neutral binder evenly, add water and stir for 2 hours to make a slurry;

[0051] (2) Add the obtained slurry into a metal mold, and vibrate and press it through an upper-mounted vibration pressing molding machine to obtain a combined plate-shaped corundum sagger, which is composed of two parts. upper base;

[0052] (3) drying the sagger body at 95°C for 9 hours;

[0053] (4) Put the sagger green body in a high-temperature kiln for sintering at 1650° C. for 2 hours, take it out, cool it, and polish it to obtain a high-temperature combined plate-shaped corundum sagger.

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Abstract

The invention relates to the technical field of high-temperature saggers, in particular to a high-temperature combined tabular corundum sagger and a manufacturing process thereof. The high-temperature combined tabular corundum sagger is prepared from the following raw material components in percentage by mass: 47-75% of high-purity tabular corundum, 15-35% of high-purity alpha-aluminum oxide, 0-8% of a neutral binding agent and 2-10% of water. According to the high-temperature combined type tabular corundum saggar, the problem that impurities in saggar enter materials when the carried materials are fired in the saggar technology is solved, the high-temperature combined tabular corundum saggar is good in thermal shock stability, high in purity and compactness, long in use frequency and long in service life, a saggar user can conveniently load and unload the materials, manpower is saved, and the popularization prospect is wide; and the invention also provides a manufacturing process of the saggar.

Description

technical field [0001] The invention relates to the technical field of high-temperature saggers, in particular to a high-temperature combined plate-shaped corundum sagger and a manufacturing process thereof. Background technique [0002] High-temperature sagger is one of the commonly used kiln furniture, mainly in the process of firing materials, in order to prevent gas and harmful substances from damaging and fouling the materials, the materials are placed in containers made of refractory materials for roasting, such containers called a sagger. Saggers are usually in the shape of hollow cylinders or hollow cubes, and are used to carry materials. They are arranged on kiln cars and pushed into high-temperature tunnel kilns for firing materials. [0003] At present, in the field of high-temperature sagger technology, the commonly used raw material for making saggers is bauxite, which is combined with conventional materials such as clay as a binder. The saggers are made by int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/10C04B35/622F27D5/00
CPCC04B35/10C04B35/622F27D5/0012C04B2235/6567C04B2235/9607Y02P40/57
Inventor 张会友
Owner 张会友
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