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Carbon nano tube and graphene floor heating brick

A carbon nanotube and graphene technology, which is applied in the field of floor heating bricks, can solve the problems that the energy saving requirements of floor heating bricks cannot be met, the power of the electric heating layer increases, and the heating speed is slow, and achieves good energy saving effect, easy heat generation, and uniform heating speed. Effect

Inactive Publication Date: 2017-08-29
四川奥夫农业服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are few designs and preparations on the combination of graphene and carbon nanotubes used in electric heating bricks. The existing graphene floor heating bricks have a slow heating speed, and the power of the electric heating layer gradually increases during use, which cannot satisfy people's demand for floor heating bricks. Energy-saving requirements and other issues, it can be seen that a new floor heating brick is urgently needed at present to solve the problems existing in the prior art

Method used

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  • Carbon nano tube and graphene floor heating brick

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Experimental program
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Effect test

Embodiment 1

[0028] Preparation of electric heating layer: Firstly, graphite oxide is used to prepare expanded graphite, and one part of graphite is put into a muffle furnace at 1000°C, and the expanded graphite is obtained after holding for 15 minutes. Then modify the expanded graphite, that is, immerse the expanded graphite in an aqueous solution of 0.65 mol / L ammonium carbonate, and then drop the aqueous solution containing 0.32 mol / L ferric chloride into the above-mentioned solution containing the expanded graphite under stirring conditions, and stir. Stand for aging for 3 hours, filter, dry, roast at 650°C for 45 minutes, and grind into fine powder; finally, put the above fine powder in a chemical vapor deposition furnace, first pass argon into the furnace, and when the furnace temperature reaches 540°C Switch to hydrogen to reduce iron oxide. When the furnace temperature reaches 820 °C, 7.6 parts of acetylene are fed in again. After 3 hours of reaction, hydrogen is turned off, and arg...

Embodiment 2

[0030] Preparation of electric heating layer: Firstly, graphite oxide is used to prepare expanded graphite, and one part of graphite is put into a muffle furnace at 1000°C, and the expanded graphite is obtained after holding for 15 minutes. Then modify the expanded graphite, that is, immerse the expanded graphite in the aqueous solution of 0.3 mol / L ammonium carbonate, and then drop the aqueous solution containing 0.52 mol / L ferric chloride into the above-mentioned solution containing the expanded graphite under stirring condition, and stir Stand for aging for 3 hours, filter, dry, roast at 650°C for 45 minutes, and grind into fine powder; finally, put the above fine powder in a chemical vapor deposition furnace, first pass argon into the furnace, and when the furnace temperature reaches 540°C Switch to hydrogen to reduce iron oxide. When the furnace temperature reaches 820 °C, add 9 parts of acetylene, react for 2 hours, turn off the hydrogen, and introduce argon to cool down ...

Embodiment 3

[0032] Preparation of electric heating layer: Firstly, graphite oxide is used to prepare expanded graphite, and one part of graphite is put into a muffle furnace at 1000°C, and the expanded graphite is obtained after holding for 15 minutes. Then modify the expanded graphite, that is, immerse the expanded graphite into the aqueous solution of 0.85 mol / L ammonium carbonate, and then drop the aqueous solution containing 0.15 mol / L ferric chloride into the above-mentioned solution containing the expanded graphite under stirring condition, and stir Stand for aging for 3 hours, filter, dry, roast at 650°C for 45 minutes, and grind into fine powder; finally, put the above fine powder in a chemical vapor deposition furnace, first pass argon into the furnace, and when the furnace temperature reaches 540°C Switch to hydrogen to reduce iron oxide. When the furnace temperature reaches 820 °C, add 5 parts of acetylene, react for 4 hours, turn off hydrogen, and introduce argon to cool down n...

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Abstract

The invention discloses a carbon nano tube and graphene floor heating brick. The carbon nano tube and graphene floor heating brick is characterized by comprising an electrical heating layer, wherein the electrical heating layer is prepared from the following materials: carbon nano tubes, graphene, ammonium carbonate and ferric chloride, and the molar ratio of the carbon nano tubes to the graphene is 5 to 9. The floor heating brick has the advantage of good electrical conductivity, and the requirement of energy conservation for people is satisfied.

Description

technical field [0001] The invention relates to the field of floor heating bricks, in particular to a carbon nanotube graphene floor heating brick. Background technique [0002] Building a resource-saving society has become a theme of our era. People's requirements for indoor thermal environment are constantly increasing. Energy saving, environmental protection and comfort of heating methods have become a basic trend in the development of modern heating technology. Floor tile radiation heat dissipation is the most comfortable heating method, how to improve the efficiency of radiation heat dissipation has become a universal technical problem to be solved urgently. [0003] Graphene and carbon nanotubes have good electrical, thermal conductivity, and mechanical strength properties due to their unique crystal structures, which are widely used in nanoelectronic materials and devices. At present, there are few designs and preparations on the combination of graphene and carbon na...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24D13/02H05B3/14E04F15/02E04F15/18
Inventor 干金强
Owner 四川奥夫农业服务有限公司
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