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Energy-saving gas cooker with fin plate heat exchanger

A technology for heat exchangers and gas stoves, applied in heating fuel, gaseous heating fuel, household stoves, etc., can solve the problem of small heat exchange area between hot exhaust gas and combustion-supporting air, improve thermal efficiency and furnace temperature, and reduce energy consumption , noise reduction effect

Inactive Publication Date: 2016-10-12
成立
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Previously, there has been a return air coaming around the flame, and the hot exhaust gas generated by forced combustion turns back downwards in the furnace body, and then is discharged to the outside through the induced draft pipe, and uses the hot exhaust gas channel to preheat the combustion-supporting air to protect the indoor environment. The gas cooker that saves combustible gas, such as the technical solution described in (201220033871.X), is relatively thorough in preventing the discharge of hot exhaust gas indoors, but the heat exchange area between hot exhaust gas and combustion-supporting air is small, and the temperature of combustion-supporting air, that is, the combustion-supporting effect is still There is a lot of room for improvement

Method used

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  • Energy-saving gas cooker with fin plate heat exchanger
  • Energy-saving gas cooker with fin plate heat exchanger

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1, combining figure 1 , figure 2 , image 3 It is a further description of the present invention. The energy-saving gas stove with finned plate heat exchanger includes the outer wall 1 of the existing gas stove, and the return air wall that is stuck on the inner bump 1-2 of the upper part 1-1 of the outer wall. Plate 2, the air mixing chamber 6 and the combustion head 5 installed on the return air coaming fin plate 2-1, the heat insulation plate 3 attached to the inner wall of the lower part 1-3 of the outer coaming plate, the ignition electrode 4 and the ignition switch 16 connected to the The combustible gas pipeline 8-1 respectively passes through the hole on the lower part 1-3 of the outer coaming, the hole on the heat shield 3, the hole on the heat exchange tube 17, the bottom hole of the gas mixing chamber to the gas mixing chamber 6, and is located at The air volume control replica 11 at the outlet of the blower 13, the air volume control rotating r...

Embodiment 2

[0024] Example 2 combined Figure 4 , Figure 5 For further description, in embodiment 2, because the finned plate heat exchanger is formed by casting or stretching, the heat exchange tube 19 and the inner axial cold air fin plate 19- 2. The outer axial hot air fin 19-1 has an integrated structure. In order to increase the heat exchange effect, the cold air fin plate 19-2 and the hot air fin plate 19-1 are opposite to the heat exchange tube 19, and a gap 19-3 is provided on the hot air fin plate 19-1 to reduce heat axial conduction. The upper end 19-4 of the heat exchange tube 19 of the heat exchanger (without the fin plate) is opposite to the annular gap at the lower end of the return air coaming fin plate 2-1, and the lower end 19-5 of the heat exchange tube 19 (without the fin plate) is inserted into the The inner side of the ring-shaped convex edge 1-5 provided on the bottom 1-4 of the outer layer coaming plate is formed by the heat exchange tube 19 and its fin plates 19...

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Abstract

The invention discloses an energy-saving gas cooker with a fin plate heat exchanger. The energy-saving gas cooker comprises an outer-layer enclosing plate, a return gas enclosing plate, a gas mixing chamber, a burning head and a heat insulating plate. The energy-saving gas cooker is characterized in that fin plates are arranged on the inner side and the outer side of a heat exchanger pipe which is located in a heat exchange zone defined by the heat insulating plate on the inner wall of the lower portion of the outer-layer enclosing plate. According to the energy-saving gas cooker with the fin plate heat exchanger, the advantage that athermal waste gas of a closed gas cooker is exhausted in a room is kept, and meanwhile the exchange area of burning-supporting air and waste heat gas is increased; and the temperature of the burning-supporting air conveyed to the burning head is further increased, and the energy consumption is relatively reduced.

Description

technical field [0001] The invention belongs to the heating field, and in particular relates to an energy-saving gas stove with a finned plate heat exchanger for burning coal gas or natural gas. Background technique [0002] Previously, there has been a return air coaming around the flame, and the hot exhaust gas generated by forced combustion turns back downwards in the furnace body, and then is discharged to the outside through the induced draft pipe, and uses the hot exhaust gas channel to preheat the combustion-supporting air to protect the indoor environment. The gas cooker that saves combustible gas, such as the technical solution described in (201220033871.X), is relatively thorough in preventing the discharge of hot exhaust gas indoors, but the heat exchange area between hot exhaust gas and combustion-supporting air is small, and the temperature of combustion-supporting air, that is, the combustion-supporting effect is still There is a lot of room for improvement. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24C3/00F24C15/00F23L15/00
CPCY02B40/00Y02E20/34
Inventor 成立
Owner 成立
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