Heat insulating plate

A thermal insulation and slab technology, which is applied in the field of thermal insulation panels, can solve problems such as increased labor intensity of steelmaking operations, unsatisfactory thermal insulation effects, and rise in workshop temperature, so as to make up for poor spalling resistance, protect thermal shock resistance, and improve The effect of using the effect

Inactive Publication Date: 2017-10-20
ZHENGZHOU ZHENDONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology describes an improved type of insulating plate made up mostly of mineral wool fibers mixed together into a matrix. When placed on top of other components like steel plates inside electrical devices, this panel acts as both a barrier against external temperatures and helps maintain its efficiency at higher operating temperatures. Additionally, there may include added fillings called perlites to further enhance the properties of the final product. These improvements make these panels more durable over longer periods without losing their ability to perform properly due to factors like exposure to excessive radiation caused by industrial processes involving nuclear power generation.

Problems solved by technology

This technical problem addressed by this patented technology relates to improving safe operation during steel making processes due to excessive temperatures at certain parts inside these facilities that may cause damage or reduce their lifespan.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The thermal insulation board of the present invention is processed by the following method from raw materials such as vermiculite, olivine, phlogopite, magnesia and binder:

[0025] In the first step, mix the dextrin solution and aluminum dihydrogen phosphate at a volume ratio of 3:10, or mix phosphoric acid and silica sol at a volume ratio of 10:5, and then prepare a specific gravity of 1.2~1.5 (adjust the used The solution concentration of the raw material, in order to achieve the required specific gravity) of the binder solution for standby;

[0026] The second step is to weigh 30 parts of vermiculite with a particle size of 0.1~1.0mm, 60 parts of olivine with a particle size of 0.1~1.0mm, 6 parts of ultrafine phlogopite powder above 90 mesh, and 9 parts of magnesia with a particle size of 0.1~1.0mm ;Put them together in the mixer for pre-mixing for 2 minutes, add 10 parts of the binder prepared in the first step, and continue mixing for 20 minutes, then send the mud...

Embodiment 2

[0031] The thermal insulation board of the present invention is processed by the following method from raw materials such as vermiculite, olivine, phlogopite, magnesia and binder:

[0032] In the first step, mix the dextrin solution and aluminum dihydrogen phosphate at a volume ratio of 3:10, or mix phosphoric acid and silica sol at a volume ratio of 10:5, and then prepare a specific gravity of 1.2~1.5 (adjust the used The solution concentration of the raw material, in order to achieve the required specific gravity) of the binder solution for standby;

[0033] In the second step, weigh 70 parts of vermiculite with a particle size of 0.1~1.0mm; 20 parts of olivine with a particle size of 0.1~1.0mm; Put them together in the mixer for pre-mixing for 2 minutes, add 14 parts of the binder prepared in the first step, and continue mixing for 20 minutes, then send the mud into the hopper for 30 minutes;

[0034] The third step is to send the mud material trapped in the second step in...

Embodiment 3

[0038] The thermal insulation board of the present invention is processed by the following method from raw materials such as vermiculite, olivine, phlogopite, magnesia and binder:

[0039] In the first step, mix the dextrin solution and aluminum dihydrogen phosphate at a volume ratio of 3:10, or mix phosphoric acid and silica sol at a volume ratio of 10:5, and then prepare a specific gravity of 1.2~1.5 (adjust the used The solution concentration of the raw material, in order to achieve the required specific gravity) of the binder solution for standby;

[0040] The second step is to weigh 45 parts of vermiculite with a particle size of 0.1~1.0mm; 40 parts of olivine with a particle size of 0.1~1.0mm; ;Put them together in the mixer for pre-mixing for 2 minutes, add 12 parts of the binder prepared in the first step, and continue mixing for 20 minutes, then send the mud into the hopper for 30 minutes;

[0041] The third step is to send the mud material trapped in the second step...

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PUM

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Abstract

The invention discloses a heat insulating plate. The heat insulating plate is obtained through processing vermiculite, olivine, phlogopite, magnesite and a binder. The heat insulating plate is concretely obtained through the following steps: preparing the binder from dextrin, aluminum dihydrogen phosphate or phosphoric acid and silica sol in proportion; weighing 30-70 parts of vermiculite, 20-60 parts of olivine, 1-8 parts of phlogopite powder and 2-9 parts of magnesia, placing the weighed materials in a mixer, premixing the materials, adding 6-20 parts of the binder, mixing the premixed materials and the binder for 20 min, and ageing the obtained mixture for 30 min; and sending the aged mud into a die, pressing the aged mud to form a slab, sending the slab into a drying cavity, and drying the slab in a 200-500 DEG C environment to obtain the finished heat insulating plate. Compared with existing heat insulating materials, the heat insulating plate disclosed in the invention has the advantages of outstanding heat insulation effect, reduction of the temperature of the outer walls of ladles, foundry ladles, electric furnaces and other thermotechnical devices to 220 DEG C or below, great saving of the energy, reduction of the production cost, good protection of the thermal shock resistance of refractory thermals, and great prolongation of the service life of the electric furnaces, ladles, foundry ladles and other thermotechnical devices.

Description

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Claims

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Application Information

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Owner ZHENGZHOU ZHENDONG TECH
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