CN218295788U - Energy-saving and environment-friendly burner heat exchanger - Google Patents
Energy-saving and environment-friendly burner heat exchanger Download PDFInfo
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- CN218295788U CN218295788U CN202222078390.7U CN202222078390U CN218295788U CN 218295788 U CN218295788 U CN 218295788U CN 202222078390 U CN202222078390 U CN 202222078390U CN 218295788 U CN218295788 U CN 218295788U
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Abstract
The utility model relates to an energy-concerving and environment-protective nozzle heat exchanger, its characterized in that: comprises a heat exchanger main body and a smoke exhaust pipe; the heat exchanger body is internally provided with a heat exchange tube, a heat exchanger inner tube and a heat exchanger outer tube from inside to outside in sequence; the top end of the heat exchange tube is provided with a cold air inlet, and the bottom end of the heat exchange tube is communicated with the inner tube of the heat exchanger through a pneumatic control valve; the outer part of the heat exchange tube is provided with a rotational flow sheet in a surrounding manner; one side of the top end of the inner pipe of the heat exchanger is provided with a hot air outlet, and the bottom end of the inner pipe of the heat exchanger is provided with a high-temperature flue gas inlet; a smoke exhauster is distributed outside the inner pipe of the heat exchanger; a smoke outlet is formed in one side of the top end of the outer tube of the heat exchanger; the smoke exhaust pipe is connected to the smoke exhaust port, and communicated connection with the outer pipe of the heat exchanger is achieved. The utility model discloses a nozzle heat exchanger realizes high temperature flue gas and combustion air's heat exchange, and the combustion air of high temperature takes heat energy to return the nozzle to carry on combustion-supportingly after the heat transfer, and the flue gas after the cooling discharges in the atmosphere, realizes energy-concerving and environment-protective purpose.
Description
Technical Field
The utility model relates to an energy-concerving and environment-protective nozzle heat exchanger belongs to nozzle heat exchanger technical field.
Background
The self-preheating burner is a continuous combustion heater which is widely applied in the heating field, has the characteristics of low-heat value and high-temperature combustion, low NOx emission in combustion, safety, stability, energy conservation and the like, and the burner heat exchanger is a main device for realizing the self-preheating of the burner and conveys combustion-supporting air with heat energy to the burner for supporting combustion. The existing burner heat exchangers are divided into a burner open flame heat exchanger and a radiant tube heat exchanger, wherein the burner open flame heat exchanger directly heats combustion-supporting air in a heating tube by utilizing flame generated by fuel combustion; the latter is the flame generated by burning fuel, and indirectly contacts with the heating pipe through the heat radiation pipe to heat the combustion-supporting air in the heating pipe. The two heat exchangers heat combustion air through flame generated by fuel combustion, so that fuel loss is caused, and high-temperature flue gas generated by fuel combustion is directly discharged into the atmosphere, so that heat energy loss and environmental pollution are caused.
Therefore, how to provide an energy-saving and environment-friendly burner heat exchanger is the research objective of the utility model.
SUMMERY OF THE UTILITY MODEL
Not enough to the above-mentioned technique, the utility model provides an energy-concerving and environment-protective nozzle heat exchanger, combustion air carries out the heat exchange through the high temperature flue gas that nozzle heat exchanger and fuel burning produced, and the combustion air area of high temperature returns the nozzle to carry on combustion-supporting after the heat transfer, and the flue gas after the cooling is discharged to the atmosphere through discharging fume the pipe, has both reduced the loss of fuel, has improved the heat utilization ratio of high temperature flue gas again and has reduced the pollution of high temperature flue gas to the environment, realizes energy-concerving and environment-protective purpose.
For solving the prior art problem, the utility model discloses the technical scheme who adopts is:
an energy-concerving and environment-protective nozzle heat exchanger which characterized in that: comprises a heat exchanger main body and a smoke exhaust pipe; the heat exchanger body is internally provided with a heat exchange tube, a heat exchanger inner tube and a heat exchanger outer tube from inside to outside in sequence; the top end of the heat exchange tube is provided with a cold air inlet, and the bottom end of the heat exchange tube is communicated with the inner tube of the heat exchanger through a pneumatic control valve; the outer part of the heat exchange tube is provided with a rotational flow sheet in a surrounding way; one side of the top end of the inner pipe of the heat exchanger is provided with a hot air outlet, and the bottom end of the inner pipe of the heat exchanger is provided with a high-temperature flue gas inlet; smoke ejectors are arranged at the outer parts of the inner pipes of the heat exchangers in a distributed manner; a smoke outlet is formed in one side of the top end of the outer tube of the heat exchanger; the smoke exhaust pipe is connected to the smoke exhaust port, and communicated connection with the outer pipe of the heat exchanger is achieved.
Furthermore, the outer part of the outer pipe of the heat exchanger is also provided with a mounting bracket.
Furthermore, the hot air outlet and the smoke outlet are both provided with connecting flanges.
Furthermore, the inner pipe of the heat exchanger is communicated and connected with the outer pipe of the heat exchanger through the smoke exhauster.
The utility model has the advantages that: 1. the high-temperature flue gas is used for heating combustion-supporting air, so that the loss of fuel is reduced, the heat energy utilization rate of the high-temperature flue gas is improved, and the purpose of energy conservation is realized; 2. the temperature of high-temperature flue gas during emission is effectively reduced, the pollution to the environment is reduced, and the aim of environmental protection is fulfilled; 3. the heating speed of the heat exchange tube is accelerated through the spiral-flow sheet, and the purpose of improving the heat exchange efficiency is achieved.
Drawings
Fig. 1 is an external structural view of the present invention.
Fig. 2 is an internal structure view of the heat exchanger body of the present invention.
Wherein: the device comprises a heat exchanger body 1, a smoke exhaust pipe 2, a heat exchange pipe 3, a heat exchanger inner pipe 4, a heat exchanger outer pipe 5, a cold air inlet 6, a pneumatic control valve 7, a vortex sheet 8, a hot air outlet 9, a high-temperature smoke inlet 10, a smoke exhauster 11, a smoke exhaust port 12, a mounting support 13 and a connecting flange 14.
Detailed Description
In order to make the technical solution of the present invention more understandable to those skilled in the art, the present invention is further analyzed with reference to fig. 1-2.
As shown in fig. 1-2, an energy-saving and environment-friendly burner heat exchanger is characterized in that: comprises a heat exchanger main body 1 and a smoke exhaust pipe 2; a heat exchange tube 3, a heat exchanger inner tube 4 and a heat exchanger outer tube 5 are sequentially arranged inside the heat exchanger main body 1 from inside to outside; the top end of the heat exchange tube 3 is provided with a cold air inlet 6, and the bottom end of the heat exchange tube is communicated with the heat exchanger inner tube 4 through a pneumatic control valve 7; the outer part of the heat exchange tube 3 is provided with the rotational flow sheets 8 in a surrounding manner, so that the heating speed of the heat exchange tube 3 is increased, and the heat exchange efficiency is improved; a hot air outlet 9 is arranged on one side of the top end of the inner tube 4 of the heat exchanger, and a high-temperature flue gas inlet 10 is arranged at the bottom end of the inner tube; a smoke exhauster 11 is distributed outside the heat exchanger inner pipe 4; a smoke outlet 12 is formed in one side of the top end of the heat exchanger outer tube 5; the smoke exhaust pipe 2 is connected to the smoke exhaust port 12 and communicated with the heat exchanger outer pipe 5.
In this embodiment, preferably, a mounting bracket 13 is further disposed outside the heat exchanger outer tube 5, so as to facilitate mounting of the heat exchanger main body 1 on the heating furnace.
In this embodiment, preferably, the hot air outlet 9 and the smoke outlet 12 are both provided with a connecting flange 14, the flange of the hot air outlet 9 is convenient for connecting with a burner, and the flange of the smoke outlet 12 is convenient for connecting with the smoke exhaust pipe 2.
In this embodiment, preferably, the heat exchanger inner tube 4 is connected to the heat exchanger outer tube 5 through the smoke exhauster 11, and the smoke of the heat exchanger inner tube 4 is discharged to the heat exchanger outer tube 5 through the smoke exhauster 11.
The utility model discloses during the use: high-temperature flue gas enters the heat exchanger inner tube 4 from the high-temperature flue gas inlet 10, cold combustion air enters the heat exchange tube 3 from the cold air inlet 6 and exchanges heat with the high-temperature flue gas, the cooled high-temperature flue gas is discharged to the heat exchanger outer tube 5 from the smoke exhauster 11 and then is discharged to the smoke exhaust tube 2 through the smoke exhaust port 12 and then is discharged from the smoke exhaust tube 2, the heated combustion air (the temperature can reach 300-500 ℃) is discharged to the heat exchanger inner tube 4 through the pneumatic control valve 7 and then is discharged to a burner for combustion supporting from the hot air outlet 9, the process reduces the loss of fuel, improves the heat energy utilization rate of the high-temperature flue gas, reduces the pollution of the high-temperature flue gas to the environment, and achieves the purposes of energy conservation and environmental protection.
The technical solutions provided by the present application are introduced in detail, and the principles and embodiments of the present application are explained herein by applying embodiments, and the descriptions of the embodiments are only used to help understand the method and the core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (4)
1. An energy-concerving and environment-protective nozzle heat exchanger which characterized in that: comprises a heat exchanger main body and a smoke exhaust pipe; the heat exchanger body is internally provided with a heat exchange tube, a heat exchanger inner tube and a heat exchanger outer tube from inside to outside in sequence; the top end of the heat exchange tube is provided with a cold air inlet, and the bottom end of the heat exchange tube is communicated with the inner tube of the heat exchanger through a pneumatic control valve; the outer part of the heat exchange tube is provided with a rotational flow sheet in a surrounding way; one side of the top end of the inner pipe of the heat exchanger is provided with a hot air outlet, and the bottom end of the inner pipe of the heat exchanger is provided with a high-temperature flue gas inlet; a smoke exhauster is distributed outside the inner pipe of the heat exchanger; a smoke outlet is formed in one side of the top end of the outer tube of the heat exchanger; the smoke exhaust pipe is connected to the smoke exhaust port, and communicated connection with the outer pipe of the heat exchanger is achieved.
2. The energy-saving and environment-friendly burner heat exchanger as recited in claim 1, wherein: and a mounting bracket is also arranged outside the outer pipe of the heat exchanger.
3. The energy-saving and environment-friendly burner heat exchanger as recited in claim 1, wherein: and the hot air outlet and the smoke outlet are both provided with connecting flanges.
4. The energy-saving and environment-friendly burner heat exchanger as recited in claim 1, wherein: the inner pipe of the heat exchanger is communicated and connected with the outer pipe of the heat exchanger through the smoke exhauster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222078390.7U CN218295788U (en) | 2022-08-09 | 2022-08-09 | Energy-saving and environment-friendly burner heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222078390.7U CN218295788U (en) | 2022-08-09 | 2022-08-09 | Energy-saving and environment-friendly burner heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218295788U true CN218295788U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222078390.7U Active CN218295788U (en) | 2022-08-09 | 2022-08-09 | Energy-saving and environment-friendly burner heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218295788U (en) |
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2022
- 2022-08-09 CN CN202222078390.7U patent/CN218295788U/en active Active
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