Graphene carbon electric heater and production process thereof
A graphene carbon and production process technology, applied in the direction of electric heating devices, ohmic resistance heating, ohmic resistance heating parts, etc., can solve the problems of insufficient heating stability, insufficient service life, and insufficient thermal efficiency, and achieve low cost and high-quality products The effect of high efficiency and stable heat generation
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- Publication Date
- 2018-09-04
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Abstract
Description
technical field
[0001] The invention relates to the technical field of electric heating equipment, in particular to a graphene carbon electric heater and a production process thereof. Background technique
[0002] There are many kinds of existing electric heaters, such as a kind of electric heater disclosed by the Chinese patent whose publication number is 206402465U, which includes a heat dissipation strip and an electrode strip assembly; insulating silica gel is coated between the heat dissipation strip and the electrode strip assembly, and the The thickness of the silica gel is 10-500 microns; Among them, the electrode strip assembly includes the positive and negative electrode sheets and the heating ceramic sheet bonded between the positive and negative electrode sheets. The thermal efficiency is not high enough, the heating stability is not good enough, and the service life is not long enough. Contents of the invention
[0003] The object of the present invention is t...
Examples
Embodiment 1
[0026] Embodiment 1, as shown in the figure, a graphene carbon electric heater includes more than two strip-shaped electrodes 2 arranged at intervals, and at least one graphene carbon is connected between two adjacent electrodes 2 The electric heating unit 1, the electrode end 21 of the electrode 2 is outside the graphene carbon electric heating unit 1, and at least 80% of the electrode 2 except the electrode end 21 is inside the graphene carbon electric heating unit 1. The graphene carbon electric heating unit 1 is preferably a graphene carbon composite material plate. By applying voltage to the electrodes, the graphene carbon electric heating unit 1 will generate electric heat when it is energized, with high thermal efficiency, stable heat generation, low cost and long service life.
[0027] In a further design, the graphene carbon electric heating unit 1 has air circulation holes 11 for air circulation. Through the air circulation hole 11, a device for blowing air can be a...
Embodiment 2
[0034] Embodiment 2, a kind of production process of graphene carbon electric heater, when in embodiment 1, when graphene carbon electric heating unit 1 adopts graphene carbon composite material sheet material, just can select the technology of this embodiment for use, specific technological process is, Include the following steps:
[0035] Step 1, prepare raw materials: use graphene as the main material, supplemented with tar, resin, fixed carbon, and conductivity adjusting material;
[0036] Step 2, stirring the raw materials in step 1 and adding them to the molding die and inserting the electrode 2 into the raw materials in the mould, to form a graphene carbon composite electric heater blank;
[0037] Step 3, putting the graphene-carbon composite electric heater blank in step 2 into a carbonization kiln for carbonization to form a finished graphene-carbon electric heater.
[0038] Among them, graphene main material accounts for more than 60% of the total weight of raw mate...