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Carbon fiber electric heating device and electric heating boiler

An electric heating device and carbon fiber technology, applied in the direction of heating element material, heating element shape, etc., can solve the problems of short service life, easy surface oxidation, low thermal efficiency, etc., achieve reasonable structural design, reduce operating costs, and improve energy efficiency ratio Effect

Pending Publication Date: 2019-05-17
房万武
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, electric heating devices and boilers using electric heating devices are mainly made of metal tubes, and most of the electric heating materials use nickel-chromium alloy, molybdenum wire, copper wire, tungsten wire, etc. Due to the inherent characteristics of these electric heating materials, there are problems in use. There are many shortcomings, such as the electric heating body made of general nickel-chromium alloy material, molybdenum wire, copper wire, tungsten wire material, the surface is easy to oxidize during the electric heating process, resulting in local overheating and being blown, and the service life is short; at the same time There is visible light in the electric heating process, so the thermal efficiency is low

Method used

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  • Carbon fiber electric heating device and electric heating boiler
  • Carbon fiber electric heating device and electric heating boiler
  • Carbon fiber electric heating device and electric heating boiler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] according to Figure 1 to Figure 8 As shown: this embodiment provides a carbon fiber electric heating device and an electric heating boiler, including an end seat, a supporting frame 3 and a carbon fiber heating wire 2, wherein:

[0037] The support frame 3 is a cylindrical tubular structure as a whole, the material of the support frame 3 is stainless steel and pultruded, and several sets of axially distributed ribs 6 are arranged on the outside of the support frame 3, and the spacing between the ribs 6 is set to be the same and The heat dissipation channel 11 is formed between the ribs 6, and the interior of the heat dissipation channel 11 is used for the circulation of water. The outer end of the ribs 6 is provided with a support rib 7, which is vertically distributed with the ribs 6 and forms a T shape between them. The supporting ribs 7 form a discontinuous annular structure, and the outer surface of the supporting ribs 7 is used to support the carbon fiber heating ...

Embodiment 2

[0045] according to Figure 9 , 10 As shown: this embodiment provides a carbon fiber electric heating device and an electric heating boiler, including an end seat, a support frame 3 and a carbon fiber heating wire 2, the difference from the first embodiment is:

[0046] The supporting frame 3 is provided with two groups, and the supporting frames 3 are coaxially distributed. The supporting frame 3 with a larger diameter is set on the outside of the supporting frame 3 with a smaller diameter, and a water flow channel is provided between the two. The supporting frame 3 The outer sides are provided with carbon fiber heating wires 2, and the socket sockets 4 of the end seats are provided with two groups corresponding to the support frames 3, and the socket sockets 4 are respectively inserted into the one-to-one corresponding support frames 3 and fixed.

[0047] Further, the through-holes 10 between the supporting frames 3 are staggered, that is, the openings of the through-holes...

Embodiment 3

[0050] according to Figure 11 , 12 As shown: this embodiment provides a carbon fiber electric heating device and an electric heating boiler, including an end seat, a support frame 3 and a carbon fiber heating wire 2, the difference from the first embodiment is:

[0051] There are multiple sets of heat dissipation ribs 8 on both sides of the rib body 6. The heat dissipation ribs 8 are arranged perpendicular to the sides of the rib body 6 to form a "non" shape structure. The heat dissipation ribs 8 are located in the heat dissipation channel 11. It is designed to increase the heat exchange efficiency of the support frame 3, and quickly exchange the heat absorbed by it with the water in the furnace cavity of the boiler to improve the heat exchange efficiency.

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Abstract

The invention relates to a carbon fiber electric heating device and an electric heating boiler. The carbon fiber electric heating device comprises a supporting framework and a carbon fiber heating wire, wherein the entire supporting framework is of a cylindrical tube structure; a plurality of groups of axially distributed rib bodies are arranged on the outer side of the supporting framework; heatdissipation channels are formed between the rib bodies; the cross section of the carbon fiber heating wire is of a flat structure, and the carbon fiber heating wire is wound on the outer side of the supporting framework to form a spiral structure; and one or two or more groups of carbon fiber bundles distributed side by side are arranged inside the carbon fiber heating wire. The carbon fiber electric heating device is reasonable in structural design; a high-power heating effect of a carbon fiber can be achieved; the heating efficiency and the energy efficiency ratio of a boiler are improved; and the operation cost is reduced.

Description

technical field [0001] The invention relates to the technical field of electric heating, in particular to a carbon fiber electric heating device and an electric heating boiler for high-power heating. Background technique [0002] At present, electric heating devices and boilers using electric heating devices are mainly made of metal tubes, and most of the electric heating materials use nickel-chromium alloy, molybdenum wire, copper wire, tungsten wire, etc. Due to the inherent characteristics of these electric heating materials, there are problems in use. There are many shortcomings, such as the electric heating body made of general nickel-chromium alloy material, molybdenum wire, copper wire, tungsten wire material, the surface is easy to oxidize during the electric heating process, resulting in local overheating and being blown, and the service life is short; at the same time Visible light exists in the electric heating process, so the thermal efficiency is low. Contents...

Claims

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Application Information

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IPC IPC(8): H05B3/14H05B3/42
Inventor 房万武
Owner 房万武