Method for preparing ceramics capable of repeatedly storing heat

A technology of heat storage and ceramics, applied in the field of ceramics

Inactive Publication Date: 2016-04-13
SHANGHAI GAOCHENG CREATIVE TECH GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application of this technology in ceramics has not yet been seen

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A method for preparing ceramics capable of repeated heat storage, the specific steps are as follows:

[0017] Step 1): Weigh 10% trititanium pentoxide blue black powder and 90% pottery clay by weight percentage, mix the raw materials and inject them into a ball mill, add water and grind them, and the fineness of the ground slurry is required to be 300 mesh;

[0018] Step 2): Precipitate the ground mud material; take out the supernatant after sedimentation, take out the sediment and put it on the clean ground to dry in the sun, and the drying time is 90 days;

[0019] Step 3): put the dried soil into a mud mixer for mud refining, and remove the air in the mud at the same time;

[0020] Step 4): Make the refined mud into the corresponding green body, and dry it in a drying room at 100°C;

[0021] Step 5): put the dried green body into the fired ceramic green body, calcined at 800° C. for 10 hours, and naturally cooled to obtain a ceramic product that can store heat repea...

Embodiment 2

[0023] A method for preparing ceramics capable of repeated heat storage, the specific steps are as follows:

[0024] Step 1): Weigh 15% titanium pentoxide blue-black powder and 85% pottery clay by weight percentage, mix the raw materials and inject them into a ball mill, add water and grind them, and the fineness of the ground slurry is required to be 500 mesh;

[0025] Step 2): Precipitate the ground mud material; take out the supernatant after precipitation, take out the sediment and put it on a clean ground to dry in the sun, and the drying time is 60 days;

[0026] Step 3): put the dried soil into a mud mixer for mud refining, and remove the air in the mud at the same time;

[0027] Step 4): Make the refined mud into the corresponding green body, and dry it in a drying room at 80°C;

[0028] Step 5): put the dried green body into the fired ceramic green body, calcined at 1250° C. for 6 hours, and naturally cooled to obtain a ceramic product that can store heat repeatedly....

Embodiment 3

[0030] A method for preparing ceramics capable of repeated heat storage, the specific steps are as follows:

[0031] Step 1): Weigh 12% trititanium pentoxide blue black powder and 88% pottery clay by weight percentage, mix the raw materials and inject them into a ball mill, add water and grind them, and the fineness of the ground slurry is required to be 400 mesh;

[0032] Step 2): Precipitate the ground mud material; take out the supernatant after precipitation, take out the sediment and put it on the clean ground to dry, and the drying time is 75 days;

[0033] Step 3): put the dried soil into a mud mixer for mud refining, and remove the air in the mud at the same time;

[0034] Step 4): Make the refined mud into the corresponding green body, and dry it in a drying room at 90°C;

[0035] Step 5): put the dried green body into the fired ceramic green body, calcined at 1000° C. for 8 hours, and naturally cooled to obtain a ceramic product that can store heat repeatedly.

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PUM

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Abstract

The invention discloses a method for preparing ceramics capable of repeatedly storing heat. The method is characterized in that titanium oxide black blue powder and pottery clay are weighed according to a weight percentage, raw materials are injected into a ball mill after being mixed, and are ground after water is added; well ground slurry subsides; supernatant liquid is pumped out after subsiding, precipitates are taken out to be placed on the clean ground to be dried in the sun; the dried soil is placed into a pugmill to be pugged, and the air in the soil is discharged. Well pugged mud is made into corresponding green bodies and is dried, and the dried green bodies are put into a fire ceramic body to be calcined, and a ceramic product which can repeatedly store heat can be obtained after natural cooling. The ceramic product capable of repeatedly storing heat is placed in an illumination position, titanium oxide can be converted into lambda-titanium oxide, can store heat, and is converted into beta-titanium oxide to release heat under definite conditions, then the beta-titanium oxide is converted into lambada-titanium oxide after the ceramic product is heated, and the ceramic product can continuous to absorb and store heat.

Description

technical field [0001] The invention relates to a preparation method of ceramics capable of repeated heat storage, belonging to the technical field of ceramics. Background technique [0002] Researchers at the University of Tokyo in Japan have developed a new material capable of storing heat for long periods of time, which they call heat storage ceramic. This is a heat storage material that can be used as a solar thermal power generation system or effectively utilize industrial waste heat, and can recycle thermal energy because it releases stored heat energy under weak pressure conditions. [0003] Materials that can store heat include brick or concrete, which slowly release stored heat, while other materials, such as water or glycol, absorb heat as they transition from a solid to a liquid state. However, none of these materials are capable of storing thermal energy for long because they release heat slowly and naturally over time. A material that can store thermal energy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/04C04B33/13
CPCC04B33/04C04B33/131C04B2235/3232C04B2235/656C04B2235/9607
Inventor 蔡世山吴联柱
Owner SHANGHAI GAOCHENG CREATIVE TECH GRP
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