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High performance push plate and preparation method thereof

A high-performance push plate technology, applied in the field of refractory material preparation, can solve the problems of short service life of push plate, low softening temperature under load, poor thermal shock resistance, etc., to improve product performance, less impurity content, and improve thermal shock resistance performance effect

Inactive Publication Date: 2018-07-20
万燕杰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of short service life of the push plate, deformation at high temperature, poor thermal shock resistance, and low softening temperature under load, and to provide a high-temperature andalusite with low production cost, high high-temperature flexural strength and long service life. Push plate and preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1 Percentage by weight: 29% of andalusite particles, 25% of magnesium aluminate gel, 8% of zirconia micropowder, 20% of andalusite active micropowder, 15% of alumina micropowder aggregates, 3% of spherical clay, plus combined Agent 0.1%. The process steps are as follows: Stir the above-mentioned raw material components evenly in a vertical stainless steel mixer according to the weight percentage, then put them into a horizontal Jiaolong machine for extrusion, store the trapped materials at room temperature for 7 days, and then cold press them with a 630-ton press. After natural drying, it is calcined at 1450°C in a 20m-long high-temperature kiln and kept for 5 hours.

Embodiment 2

[0016] Example 2 Percentage by weight: 28% of andalusite particles, 25% of magnesium aluminate gel, 8% of zirconia micropowder, 20% of andalusite active micropowder, 16% of alumina micropowder aggregate, ball clay 3%, plus 0.1% binder. The process steps are as follows: Stir the above-mentioned raw material components evenly in a vertical stainless steel mixer according to the weight percentage, then put them into a horizontal Jiaolong machine for extrusion, store the trapped materials at room temperature for 7 days, and then cold press them with a 630-ton press. After natural drying, it is calcined at 1480°C in a 20m-long high-temperature kiln and kept for 6 hours.

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PUM

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Abstract

The invention relates to a high performance push plate and a preparation method thereof. The push plate is made of andalusite particles, magnesium aluminate gel, zirconia micro powder, andalusite active micro powder, alumina micro powder aggregate, and ball clay. Raw materials are mixed according to different weight ratios, and the mixture is moulded, dried, and burned at a high temperature to prepare the push plate. The defects of a conventional push plate such as short service life, bad stability, low bending strength, and the like are overcome. The provided push plate has the advantages ofstrong high temperature bending strength, good thermal shock resistant performance, and long service life.

Description

technical field [0001] The invention belongs to the technical field of refractory material preparation, and mainly provides a high-performance push plate and a preparation method. Background technique [0002] The push plate is a movable partition, and the push plate kiln is often used in industry to produce ceramic products that require high-temperature calcination. The push plate kiln is a continuous heating and sintering equipment. According to the process requirements of the sintered products, the required temperature zone and power are arranged, and the products to be sintered are placed directly or indirectly on the push plate that is resistant to high temperature and abrasion. The product placed on the push plate is moved by the propulsion system according to the technological requirements of the product, so as to complete the sintering of the product in the furnace. During this process, depending on the product, the push plate is often subjected to high temperatures...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66C04B35/18
CPCC04B35/66C04B35/18C04B2235/3217C04B2235/3222C04B2235/3244C04B2235/349C04B2235/9607
Inventor 万燕杰
Owner 万燕杰