CN211399777U - High-speed burner with integrated heat exchanger - Google Patents
High-speed burner with integrated heat exchanger Download PDFInfo
- Publication number
- CN211399777U CN211399777U CN201922262456.6U CN201922262456U CN211399777U CN 211399777 U CN211399777 U CN 211399777U CN 201922262456 U CN201922262456 U CN 201922262456U CN 211399777 U CN211399777 U CN 211399777U
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- heat exchanger
- air
- flue gas
- burner
- heating pipe
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Abstract
The utility model discloses a take integrated heat exchanger's high-speed nozzle. The technical scheme of the utility model is that: the utility model provides a high-speed burner of integrated heat exchanger in area, includes burner tip, combustion air sleeve pipe, gas core pipe and sets up the first finned heat exchanger on combustion air sleeve pipe, the burner tip includes exhanst gas outlet, flue gas pipeline and cold air inlet, the last second finned heat exchanger that is provided with of flue gas pipeline, second finned heat exchanger overcoat is equipped with air heating pipe, cold air inlet intercommunication air heating pipe and with combustion air sleeve pipe intercommunication. The utility model provides a scheme can increase air temperature and improve combustion effect.
Description
Technical Field
The utility model relates to a nozzle technical field, in particular to take high-speed nozzle of integrated heat exchanger.
Background
Fin heat exchanger formula self preheats nozzle, mainly include gas pipeline and cover establish the air conduit outside the gas pipeline, wherein be equipped with the multi-disc fin on the outer pipe wall of air conduit, after combustion air and gas co-combustion, the high temperature flue gas that produces in the furnace will flow from the periphery of air conduit, the outer flue gas of air conduit carries out the heat transfer with the combustion air in the air conduit, at this moment, the fin can increase the heat transfer area of the outer pipe wall of air conduit, thereby make the high temperature flue gas further the heat transfer with the combustion air in the air conduit under the effect of fin. However, the finned heat exchanger type self-preheating burner is limited by space and manufacturing process, and has limited fin efficiency, so that the heat exchange efficiency is low, the exhaust gas temperature is still high, and the full utilization cannot be realized. Therefore, it is necessary to provide a new self-preheating burner with high heat exchange efficiency to overcome the above-mentioned drawbacks. The scheme that tubular heat exchanger is arranged at the front end of the finned heat exchanger to carry out secondary heating on air appears in the prior art, the scheme can further improve the temperature of the air, but the defect of the scheme is that the temperature of an air pipeline is reduced, the combustion effect is reduced, the structural complexity of a burner is greatly increased, and the problem of great trouble is solved during maintenance.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model discloses a main aim at provides a can increase the high velocity burner who takes integrated heat exchanger of air temperature improvement combustion effect.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high-speed burner of integrated heat exchanger in area, includes burner tip, combustion air sleeve pipe, gas core pipe and sets up the first finned heat exchanger on combustion air sleeve pipe, the burner tip includes exhanst gas outlet, flue gas pipeline and cold air inlet, the last second finned heat exchanger that is provided with of flue gas pipeline, second finned heat exchanger overcoat is equipped with air heating pipe, cold air inlet intercommunication air heating pipe and with combustion air sleeve pipe intercommunication.
Preferably, an insulating layer is arranged on the inner wall of the air heating pipe.
Preferably, the air heating pipe and the second finned heat exchanger are both connected with the flue gas pipeline through flanges.
Preferably, the air heating pipe and the combustion air sleeve are provided with spiral channels.
The utility model has the following advantage for prior art, its characteristics lie in can increase the temperature of air through the utilization to the flue gas waste heat, improve the combustion effect, and it can not reduce the temperature of high velocity burner itself. Specifically, exhanst gas outlet and flue gas pipeline set up second finned heat exchanger for prior art extension design on flue gas pipeline, and the cold air inlet sets up on air heating pipe to make cold air can be heated the back and entering into the nozzle, wherein the temperature of the absorption flue gas pipeline that second finned heat exchanger can be good heats cold air. This scheme can accomplish to increase the temperature of air under the less condition of structure and the performance influence of nozzle itself for prior art, and furthest utilizes the flue gas waste heat to increase combustion effect.
Drawings
Fig. 1 is the structural schematic diagram of the high-speed burner with the integrated heat exchanger of the present invention.
In the figure: 1. a burner tip; 2. a combustion air sleeve; 3. a gas core pipe; 4. a first finned heat exchanger; 5. a flue gas outlet; 6. a flue gas duct; 7. a second finned heat exchanger; 8. a cold air inlet; 9. an air heating pipe; 10. a heat-insulating layer; 11. a spiral channel.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the high-speed burner with the integrated heat exchanger comprises a burner head 1, a combustion air casing 2, a gas core pipe 3 and a first finned heat exchanger 4 arranged on the combustion air casing 2, wherein the burner head 1 comprises a flue gas outlet 5, a flue gas pipeline 6 and a cold air inlet 8, a second finned heat exchanger 7 is arranged on the flue gas pipeline 6, an air heating pipe 9 is sleeved outside the second finned heat exchanger 7, and the cold air inlet 8 is communicated with the air heating pipe 9 and the combustion air casing 2.
The utility model provides a take high velocity burner of integrated heat exchanger, its characteristics lie in can increase the temperature of air through the utilization to the flue gas waste heat, improve the combustion effect, and it can not reduce the temperature of high velocity burner itself. Specifically, flue gas outlet 5 and flue gas pipeline 6 set up second finned heat exchanger 7 for prior art extension design on flue gas pipeline 6, and cold air inlet 8 sets up on air heating pipe 9 to make cold air can be heated the back and entering into the nozzle, wherein the temperature of absorption flue gas pipeline 6 that second finned heat exchanger 7 can be good heats cold air. This scheme can accomplish to increase the temperature of air under the less condition of structure and the performance influence of nozzle itself for prior art, and furthest utilizes the flue gas waste heat to increase combustion effect.
Preferably, an insulating layer 10 is arranged on the inner wall of the air heating pipe 9. The heat-insulating layer 10 can be made of heat-insulating bricks to insulate the air heating pipe 9.
Preferably, the air heating pipe 9 and the second finned heat exchanger 7 are both connected with the flue gas pipeline 6 through flanges. The advantage of this arrangement is that the second finned heat exchanger 7 and the air heating pipe 9 can be easily disassembled for maintenance.
Preferably, the air heating pipe 9 and the combustion air sleeve 2 are provided with spiral channels 11. This arrangement advantageously allows to increase the flow rate of air entering the sheath of combustion air 2.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a high-speed burner of integrated heat exchanger in area, includes burner tip, combustion air sleeve pipe, gas core pipe and sets up the first finned heat exchanger on combustion air sleeve pipe, its characterized in that: the burner head comprises a flue gas outlet, a flue gas pipeline and a cold air inlet, a second fin heat exchanger is arranged on the flue gas pipeline, an air heating pipe is sleeved outside the second fin heat exchanger, and the cold air inlet is communicated with the air heating pipe and is communicated with a combustion-supporting air sleeve.
2. The high-speed burner with the integrated heat exchanger as recited in claim 1, wherein: and the inner wall of the air heating pipe is provided with a heat insulation layer.
3. The high-speed burner with the integrated heat exchanger as recited in claim 1, wherein: and the air heating pipe and the second finned heat exchanger are connected with a flue gas pipeline through flanges.
4. The high-speed burner with the integrated heat exchanger as recited in claim 1, wherein: and spiral channels are arranged in the air heating pipe and the combustion air sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922262456.6U CN211399777U (en) | 2019-12-17 | 2019-12-17 | High-speed burner with integrated heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922262456.6U CN211399777U (en) | 2019-12-17 | 2019-12-17 | High-speed burner with integrated heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211399777U true CN211399777U (en) | 2020-09-01 |
Family
ID=72210930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922262456.6U Expired - Fee Related CN211399777U (en) | 2019-12-17 | 2019-12-17 | High-speed burner with integrated heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211399777U (en) |
-
2019
- 2019-12-17 CN CN201922262456.6U patent/CN211399777U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20211217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |