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Gas heater

A gas heater and heater technology, applied in air heaters, fluid heaters, lighting and heating equipment, etc., can solve the problems of low heat utilization efficiency and short service life, and improve heat utilization efficiency and service life. , the effect of excellent temperature uniformity

Pending Publication Date: 2019-07-12
重庆龙归换热器科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the tubular heater can realize heating, its heat utilization efficiency is low and its service life is short, and its normal service life is only 1-1.5 years

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A gas heater such as figure 1 , figure 2 and image 3 As shown, it includes a PTC heating core 1 with a heating power of 3000W and a heat-conducting structure for assembling the PTC heating core 1. The PTC heating core 1 can be connected to a power supply through a wire, and the PTC heating core 1 and the heat-conducting structure are arranged axially. In the three-dimensional finned heat exchange tube 3, the inner wall of the three-dimensional finned heat exchange tube 3 and the outer wall of the heat conduction structure cooperate in an interference fit, the three-dimensional finned heat exchange tube 3 is axially arranged in the outer cylinder 4, and the cooling medium passes through The air inlet 5 enters the outer cylinder 4, and one end of the air inlet 5 has a flange 8 for connecting the fan flange or other air introduction equipment, and realizes heat exchange with the three-dimensional finned heat exchange tube 3 and the heat conduction structure, and the obt...

Embodiment 2

[0034] A gas heater, referring to Example 1, wherein the pitch of the spiral body 7 is 150mm, and the three-dimensional finned heat exchange tube 3, the cylinder body 201, and the rib body 202 are all made of 304 stainless steel.

Embodiment 3

[0036] A gas heater, referring to Example 1, wherein the pitch of the spiral body 7 is 350 mm, the three-dimensional fin heat exchange tube 3 and the rib body 202 are made of 304 stainless steel, and the cylinder body 201 is an ordinary carbon steel pipe.

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PUM

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Abstract

The invention provides a gas heater. The heater comprises a PTC heating core body and a heat conduction structure used for assembling the PTC heating core body, wherein the PTC heating core body and the heat conduction structure are axially arranged in a three-dimensional fin heat exchange tube, the three-dimensional fin heat exchange tube is axially arranged in an outer cylinder, a cold medium enters the outer cylinder through an air inlet, and realizes heat exchange with the three-dimensional fin heat exchange tube and the heat conduction structure, and a heat medium obtained through heat exchange flows out through an exhaust port. According to the gas heater, the heat utilization efficiency of the heater can be improved on one hand, the service life of the heater can be prolonged on theother hand, and the heater has good safety performance and excellent temperature equalizing performance.

Description

technical field [0001] The invention relates to a heating device, in particular to a gas heater with a PTC structure. Background technique [0002] At present, there are many types of heaters on the market, such as the PTC electric heater disclosed in CN105682268A, which includes a heat pipe, a heating core and a heat dissipation strip, wherein the heat dissipation core is placed in the cavity of the heat conduction pipe, and the heat dissipation strip is fixed on the upper and lower surfaces of the heat conduction pipe Above; the heat dissipation strip includes a corrugated sheet and fixed sheets clamped on both sides of the corrugated sheet. The corrugated sheet has a square-toothed corrugated shape, and the connection with the fixed sheet is in surface contact; another example is the electric heating rod disclosed in CN2724348Y. It is composed of elements, thermal pad filling material and box cover. It is connected and sealed with the flange of the tank body through conne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H3/08F24H9/18F24H9/00
CPCF24H3/082F24H9/1872F24H9/0052F24H2250/04
Inventor 彭程林米州
Owner 重庆龙归换热器科技有限公司
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