Heating film and preparation method thereof

A technology of heating film and fiber film, applied in the field of heating film and its preparation, can solve the problems of energy waste, uneven heat of electric heating tubes, etc., and achieve the effect of simple and reasonable structure design, good application prospect, and simple preparation process

Active Publication Date: 2020-09-04
北京石墨烯研究院有限公司 +1
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Problems solved by technology

[0005] A main purpose of the present disclosure is to overcome at least one defect of the above-mentioned prior art, provide a high-power high-temperature-resistant hea

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  • Heating film and preparation method thereof
  • Heating film and preparation method thereof

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[0033] Typical embodiments embodying the features and advantages of the present disclosure will be described in detail in the following description. It should be understood that the present disclosure can have various changes in different embodiments, which do not depart from the scope of the present disclosure, and the descriptions and drawings therein are essentially for illustrative purposes, rather than limiting the present disclosure. public.

[0034] In the following description of the different exemplary embodiments of the present disclosure, it is made with reference to the accompanying drawings, which form a part of the present disclosure, and in which different exemplary structures and systems that can implement various aspects of the present disclosure are shown by way of example. And steps. It should be understood that other specific solutions of components, structures, exemplary devices, systems, and steps may be used, and structural and functional modifications may...

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Abstract

The invention provides a heating film and a preparation method thereof, the heating film comprises a graphene composite fiber film, an inner current collecting part and an outer current collecting part, the inner current collecting part is located at two ends of the graphene composite fiber film, and the outer current collecting part is located on the outer surface of the inner current collectingpart; and the graphene composite fiber membrane comprises fibers and graphene dispersed in the fibers. The heating film disclosed by the invention is simple and reasonable in structural design and simple in preparation process, the obtained heating film can more uniformly dissipate heat, and the energy loss and waste are reduced. The maximum unit power density of the heating film can reach 1500w/m<2>, and the heating film can be used for a long time within the range of 180-260 DEG C and has a good application prospect.

Description

technical field [0001] The disclosure relates to the field of heating equipment, in particular to a heating film and a preparation method thereof. Background technique [0002] Energy issues have always been concerned, and industrial heating equipment generally has a high heating temperature and consumes a large amount of electricity. This is because the heating equipment usually heats a relatively closed system, while the traditional heating device is mainly an external package. The heating method of the resistance wire of ceramic material is from the middle to the surroundings, resulting in a certain difference in temperature distribution. In a closed space, the temperature is usually adjusted based on the lowest temperature point, which causes a certain degree of energy waste. [0003] Another kind of drying equipment mainly puts the objects to be dried on the conveyor belt, and uses electric heating tubes under or above the conveyor belt for heating. In this relatively o...

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Application Information

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IPC IPC(8): H05B3/14H05B3/34
CPCH05B3/14H05B3/146H05B3/34
Inventor 张锦刘海舟曹建苹范晓旭李华民陈韵吉
Owner 北京石墨烯研究院有限公司
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