CN219178340U - Boiler tail gas heat energy recovery mechanism - Google Patents
Boiler tail gas heat energy recovery mechanism Download PDFInfo
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- CN219178340U CN219178340U CN202222600165.5U CN202222600165U CN219178340U CN 219178340 U CN219178340 U CN 219178340U CN 202222600165 U CN202222600165 U CN 202222600165U CN 219178340 U CN219178340 U CN 219178340U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model relates to a boiler tail gas heat energy recovery mechanism, which comprises a boiler, wherein an exhaust pipe is arranged on the boiler, a first heat exchange mechanism for recovering tail gas heat energy is arranged on the exhaust pipe, the first heat exchange mechanism is connected with a second heat exchange mechanism capable of recovering heat of the first heat exchange mechanism, a water inlet pipe and a water outlet pipe are arranged on the second heat exchange mechanism, and the second heat exchange mechanism can transfer recovered heat into liquid flowing in from the water inlet pipe and enable the recovered heat to flow out from the water outlet pipe. The utility model is characterized in that: the heat energy of the tail gas is recovered through the first heat exchange mechanism, and the heat energy recovered through the first heat exchange mechanism is transferred and utilized through the second heat exchange mechanism, so that the heat resource in the tail gas is fully utilized, and the energy conservation and emission reduction are facilitated.
Description
[ field of technology ]
The utility model relates to the technical field of waste heat utilization, in particular to a boiler tail gas heat energy recovery mechanism.
[ background Art ]
Exhaust gas refers to toxic and harmful gases discharged by human beings in the production and living processes. When a chemical plant, a steel plant, a pharmaceutical plant, etc. are used for production, a large amount of high-temperature exhaust gas is often generated.
The prior exhaust gas purification device can remove harmful substances in exhaust gas generally, so that the exhaust gas reaches the emission standard, and the Chinese patent document with publication number of CN213286132U discloses a boiler exhaust gas smoke purification device, which adsorbs dust in the smoke through an atomization nozzle, and then the smoke is dried and adsorbed and purified through a drying agent layer and an active carbon adsorption layer, thereby reducing environmental pollution. However, the exhaust gas itself contains a large amount of heat, and the exhaust gas purifying apparatus generally does not have a waste heat recovery function. The chinese patent document with publication number CN207162589U discloses a boiler heat energy recycling device, wherein air is fed into an air inlet pipe through an air blower, when the air flows into a screw thread section, the air can absorb heat energy from a flue gas discharge pipe, and the heated air can be fed into an air inlet on a boiler body, so that the air can recycle heat energy in flue gas. But the device recovers heat energy in the tail gas through air, so that the efficiency is low; and the hot air for recovering heat energy can only be used on the boiler body, so that the waste heat in the flue gas is not well utilized, the waste of heat resources is caused, and the energy conservation and emission reduction are not facilitated.
[ utility model ]
The utility model aims to provide a boiler tail gas heat energy recovery mechanism capable of recovering and treating waste gas heat in the waste gas treatment process so as to solve the problems.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a boiler tail gas heat recovery mechanism, includes the boiler, be equipped with the blast pipe on the boiler, be equipped with the first heat transfer mechanism that is used for retrieving tail gas heat energy on the blast pipe, first heat transfer mechanism is connected with the second heat transfer mechanism that can with first heat transfer mechanism heat recovery, be equipped with inlet tube and outlet pipe on the second heat transfer mechanism, the second heat transfer mechanism can shift the heat of retrieving to from the liquid of inlet tube inflow and make it flow out from the outlet pipe.
As a further optimization scheme of the utility model, the first heat exchange mechanism comprises a water storage tank and a first heat exchanger arranged on the exhaust pipe, the first heat exchanger comprises a first main channel communicated with the exhaust pipe and a first heat exchange pipe capable of exchanging heat with the first main channel, a cold water pipe for connecting the lower part of the water storage tank and the water inlet end of the first heat exchange pipe is arranged between the lower part of the water storage tank and the water inlet end of the first heat exchange pipe, a hot water pipe for connecting the upper part of the water storage tank and the water outlet end of the first heat exchange pipe is arranged between the upper part of the water storage tank and the water outlet end of the first heat exchange pipe, and a water pump is arranged on the cold water pipe.
As a further optimization scheme of the utility model, the second heat exchange mechanism comprises a second heat exchanger arranged on the hot water pipe, the second heat exchanger comprises a second main channel communicated with the hot water pipe and a second heat exchange pipe for exchanging heat with the second main channel, the water inlet end of the second heat exchange pipe is connected with the water inlet pipe, and the water outlet end of the second heat exchange pipe is connected with the water outlet pipe.
As a further optimization scheme of the utility model, the boiler tail gas heat energy recovery mechanism further comprises a cleaning mechanism for cleaning.
As a further optimization scheme of the utility model, the cleaning mechanism comprises a cleaning liquid inlet port and a cleaning liquid outlet port, wherein the cleaning liquid inlet port is arranged on a cold water pipe, the cleaning liquid outlet port is arranged at intervals with the cleaning liquid inlet port, a cleaning liquid supply device is arranged at the cleaning liquid inlet port, a first valve is arranged at the cleaning liquid inlet port, a second valve is arranged at the cleaning liquid outlet port, and a water valve is arranged at the cold water pipe between the cleaning liquid inlet port and the cleaning liquid outlet port.
Compared with the prior art, the utility model has the following advantages: the heat energy of the tail gas is recovered through the first heat exchange mechanism, and the heat energy recovered through the first heat exchange mechanism is transferred and utilized through the second heat exchange mechanism, so that the heat resource in the tail gas is fully utilized, and the energy conservation and emission reduction are facilitated.
[ description of the drawings ]
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic perspective view of a first heat exchanger according to the present utility model;
FIG. 4 is a schematic view showing the internal structure of the first heat exchanger according to the present utility model;
FIG. 5 is a schematic perspective view of a second heat exchanger according to the present utility model;
FIG. 6 is a schematic view of the internal structure of a second heat exchanger according to the present utility model;
[ detailed description ] of the utility model
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
The utility model provides a boiler tail gas heat recovery mechanism, includes boiler 1, be equipped with blast pipe 11 on the boiler 1, be equipped with the first heat transfer mechanism 2 that is used for retrieving tail gas heat energy on the blast pipe 11, first heat transfer mechanism 2 is connected with the second heat transfer mechanism 3 that can with first heat transfer mechanism 2 heat recovery, be equipped with inlet tube 31 and outlet pipe 32 on the second heat transfer mechanism 3, second heat transfer mechanism 3 can shift the heat of retrieving to from the liquid of inlet tube 31 inflow and make it flow out from outlet pipe 32. The first heat exchange mechanism 2 and the second heat exchange mechanism 3 can be realized by plate heat exchangers formed by stacking metal sheets which have a certain corrugated shape and are used for heat exchange, and can also be realized by tube heat exchangers which are formed by fixing two ends of a heat exchange tube on a tube plate and exchanging heat by utilizing the wall surface of the heat exchange tube. The heat energy of the tail gas is recovered through the first heat exchange mechanism 2, and the heat energy recovered by the first heat exchange mechanism 2 is transferred and utilized through the second heat exchange mechanism 3, so that the heat resource in the tail gas is fully utilized, and the energy conservation and emission reduction are facilitated.
The first heat exchange mechanism 2 comprises a water storage tank 22 and a first heat exchanger 21 arranged on the exhaust pipe 11, the first heat exchanger 21 comprises a first main channel 211 communicated with the exhaust pipe 11 and a first heat exchange pipe 212 capable of exchanging heat with the first main channel 211, a cold water pipe 221 for connecting the lower part of the water storage tank 22 and the water inlet end of the first heat exchange pipe 212 is arranged between the lower part of the water storage tank 22 and the water inlet end of the first heat exchange pipe 212, a hot water pipe 222 for connecting the upper part of the water storage tank 22 and the water outlet end of the first heat exchange pipe 212 is arranged between the upper part of the water storage tank and the water outlet end of the first heat exchange pipe 212, and a water pump 223 is arranged on the cold water pipe 221. The exhaust gas is communicated with the exhaust pipe 11 through the first main channel 211 so as to enter and exit the first heat exchanger 21, the liquid in the cold water pipe 221 is conveyed to the water inlet end of the first heat exchange pipe 212 through the water pump 223, and the high-temperature exhaust gas is subjected to heat energy recovery through the first heat exchange pipe 212, so that the heat energy in the exhaust gas is recovered into the liquid in the first heat exchange pipe 212, and the liquid flows out from the water outlet end of the first heat exchange pipe 212 and enters the hot water pipe 222.
The second heat exchange mechanism 3 includes a second heat exchanger 33 disposed on the hot water pipe 212, the second heat exchanger 33 includes a second main channel 331 communicating with the hot water pipe 212, and a second heat exchange pipe 332 exchanging heat with the second main channel 331, a water inlet end of the second heat exchange pipe 332 is connected with the water inlet pipe 31, and a water outlet end of the second heat exchange pipe 332 is connected with the water outlet pipe 32. The high-temperature liquid in the hot water pipe 212 enters the second heat exchanger 33 through the second main channel 331, and the heat energy in the high-temperature liquid is recovered into the liquid entering the second heat exchange pipe 332 from the water inlet pipe 31 through the second heat exchange pipe 332, and the liquid of the second heat exchange pipe 332 flows out from the water outlet pipe 32.
The boiler tail gas heat energy recovery mechanism also comprises a cleaning mechanism 4 for cleaning. Through the setting of wiper mechanism 4, be convenient for wash boiler tail gas heat recovery mechanism.
The cleaning mechanism 4 comprises a cleaning liquid inlet port 41 arranged on the cold water pipe 221 and a cleaning liquid outlet port 42 arranged at intervals with the cleaning liquid inlet port 41, a cleaning liquid supply device 43 is arranged at the cleaning liquid inlet port 41, a first valve 411 is arranged at the cleaning liquid inlet port 41, a second valve 421 is arranged at the cleaning liquid outlet port 42, and a water valve 44 is arranged at the cold water pipe 221 between the cleaning liquid inlet port 41 and the cleaning liquid outlet port 42. The cleaning solution supply device 43 has various embodiments, for example, the cleaning solution supply device 43 includes a storage tank for storing cleaning solution, and an injection port is provided at one side of the storage tank. When the boiler exhaust heat energy recovery mechanism needs to be cleaned, the first valve 411 and the second valve 421 are opened, the water valve 44 is closed, the water pump 223 is started, the cleaning liquid in the cleaning liquid supply device 43 is injected from the cleaning liquid inlet port 41 through the water pump 223, and the cleaning liquid flows out from the cleaning liquid outlet port 42 after cleaning the boiler exhaust heat energy recovery mechanism.
Claims (5)
1. The utility model provides a boiler tail gas heat recovery mechanism which characterized in that: including boiler (1), be equipped with blast pipe (11) on boiler (1), be equipped with on blast pipe (11) and be used for retrieving first heat transfer mechanism (2) of tail gas heat energy, first heat transfer mechanism (2) are connected with second heat transfer mechanism (3) that can with first heat transfer mechanism (2) heat recovery, be equipped with inlet tube (31) and outlet pipe (32) on second heat transfer mechanism (3), second heat transfer mechanism (3) can shift the heat of retrieving to in the liquid that flows in from inlet tube (31) and make it flow out from outlet pipe (32).
2. The boiler tail gas heat energy recovery mechanism of claim 1, wherein: the first heat exchange mechanism (2) comprises a water storage tank (22) and a first heat exchanger (21) arranged on the exhaust pipe (11), the first heat exchanger (21) comprises a first main channel (211) communicated with the exhaust pipe (11) and a first heat exchange pipe (212) capable of exchanging heat with the first main channel (211), a cold water pipe (221) connected with the water storage tank (22) and the first heat exchange pipe (212) is arranged between the lower part of the water storage tank and the water inlet end of the first heat exchange pipe (212), a hot water pipe (222) connected with the water storage tank (22) and the water outlet end of the first heat exchange pipe (212) is arranged between the upper part of the water storage tank and the water outlet end of the first heat exchange pipe (212), and a water pump (223) is arranged on the cold water pipe (221).
3. The boiler tail gas heat energy recovery mechanism of claim 2, wherein: the second heat exchange mechanism (3) comprises a second heat exchanger (33) arranged on the hot water pipe (222), the second heat exchanger (33) comprises a second main channel (331) communicated with the hot water pipe (222) and a second heat exchange pipe (332) exchanging heat with the second main channel (331), the water inlet end of the second heat exchange pipe (332) is connected with the water inlet pipe (31), and the water outlet end of the second heat exchange pipe (332) is connected with the water outlet pipe (32).
4. A boiler tail gas heat recovery mechanism as set forth in claim 3, wherein: the boiler tail gas heat energy recovery mechanism further comprises a cleaning mechanism (4) for cleaning.
5. The boiler tail gas heat energy recovery mechanism of claim 4, wherein: the cleaning mechanism (4) comprises a cleaning liquid inlet port (41) arranged on a cold water pipe (221) and a cleaning liquid outlet port (42) arranged at intervals with the cleaning liquid inlet port (41), a cleaning liquid supply device (43) is arranged at the cleaning liquid inlet port (41), a first valve (411) is arranged at the cleaning liquid inlet port (41), a second valve (421) is arranged at the cleaning liquid outlet port (42), and a water valve (44) is arranged at the cold water pipe (221) between the cleaning liquid inlet port (41) and the cleaning liquid outlet port (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222600165.5U CN219178340U (en) | 2022-09-28 | 2022-09-28 | Boiler tail gas heat energy recovery mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222600165.5U CN219178340U (en) | 2022-09-28 | 2022-09-28 | Boiler tail gas heat energy recovery mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219178340U true CN219178340U (en) | 2023-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222600165.5U Active CN219178340U (en) | 2022-09-28 | 2022-09-28 | Boiler tail gas heat energy recovery mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219178340U (en) |
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2022
- 2022-09-28 CN CN202222600165.5U patent/CN219178340U/en active Active
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