CN220771931U - Heating furnace tail gas heat recycling device - Google Patents
Heating furnace tail gas heat recycling device Download PDFInfo
- Publication number
- CN220771931U CN220771931U CN202322276510.9U CN202322276510U CN220771931U CN 220771931 U CN220771931 U CN 220771931U CN 202322276510 U CN202322276510 U CN 202322276510U CN 220771931 U CN220771931 U CN 220771931U
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- gas
- heating furnace
- heat
- gas collecting
- water storage
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 67
- 238000004064 recycling Methods 0.000 title claims abstract description 19
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 5
- 241001330002 Bambuseae Species 0.000 claims abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 5
- 239000011425 bamboo Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 238000003860 storage Methods 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a heating furnace tail gas heat recycling device, which belongs to the technical field of heat recycling, and comprises a heating furnace and a heat collection box, wherein the side wall of the heating furnace is communicated with an exhaust barrel and an air inlet barrel; the inside gas collecting tube that is provided with of gas collecting portion, gas collecting tube one end wears out the heat collecting box lateral wall and is linked together with the section of thick bamboo that admits air, the gas collecting tube other end wears out heat collecting box wall and is provided with the air-blower, gas collecting portion is provided with blast pipe and discharges a section of thick bamboo. The device fully utilizes the heat of the tail gas of the heating furnace, and reduces the phenomenon of heat waste.
Description
Technical Field
The utility model relates to the technical field of billet heating, in particular to a heating furnace tail gas heat recycling device.
Background
The steel rolling process is the main energy consumption part in the steel smelting process, and the main content of the process is to heat the steel billet through a heating furnace so as to meet the temperature required by the steel billet. Therefore, a large amount of heat can be generated in the use process of the heating furnace, and if the heat is not utilized, the heat can be discharged to the external environment along with tail gas generated by the heating furnace, so that a large amount of heat energy is directly wasted.
The existing heat recovery device mainly carries out recovery utilization in a gas-gas exchange mode, namely the heat carried by tail gas of a heating furnace is collected through the heat recovery device to heat air in the heat recovery device, and then the heated air is conveyed into the heating furnace to finish the utilization of the heat of the tail gas.
In view of the above related art, the inventors believe that a great amount of heat is contained in the tail gas generated by the heating furnace, and the utilization rate of the heat of the tail gas of the heating furnace needs to be improved at present, so that the heat in the tail gas needs to be further developed and utilized.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a heating furnace tail gas heat recycling device.
The utility model provides a heating furnace tail gas heat recycling device, which adopts the following technical scheme:
the utility model provides a heating furnace tail gas heat recycling device, includes heating furnace and heat collection box, the heating furnace lateral wall intercommunication has aiutage and an inlet tube, the heat collection box includes water storage portion and gas collection portion, inlet opening and apopore have been seted up to water storage portion, the inside gas collection subassembly that is provided with of water storage portion, the gas collection subassembly includes first gas collection module, second gas collection module and breather pipe, the aiutage is linked together with first gas collection module through the heat collection box lateral wall, the breather pipe is provided with the multiunit, the both ends of breather pipe are linked together with first gas collection module and second gas collection module respectively, second gas collection module intercommunication has an air outlet tube, the air outlet tube extends to in the gas collection portion; the inside gas collecting tube that is provided with of gas collecting portion, gas collecting tube one end wears out the heat collecting box lateral wall and is linked together with the section of thick bamboo that admits air, the gas collecting tube other end wears out heat collecting box wall and is provided with the air-blower, gas collecting portion is provided with blast pipe and discharges a section of thick bamboo.
Preferably, the plurality of groups of ventilation pipes are uniformly distributed between the first gas collecting module and the second gas collecting module, and gaps are reserved among the plurality of groups of ventilation pipes.
Preferably, the first gas collecting module and the second gas collecting module are respectively connected with the water storage part in an integrated manner, a first opening communicated with the first gas collecting module is formed in the side wall of the top of the water storage part, and a first sealing plate is arranged at the first opening; the side wall of the bottom of the water storage part is provided with a second opening communicated with the second gas collecting module, and a second sealing plate is arranged at the second opening.
Preferably, the bottom wall of the first gas collecting module is arranged in a state of being inclined downwards towards the direction of the first opening, the second opening and the first opening are positioned on the same side wall of the water storage part, and the bottom wall of the second gas collecting module is arranged in a state of being inclined downwards.
Preferably, the water storage part and the air collecting part are in a vertical distribution state.
Preferably, the side wall of the water storage part is provided with a plurality of steam holes.
Preferably, the gas collecting tube inside the water storage part is a flat tube body, and the gas collecting tube is uniformly distributed in the gas collecting part.
Preferably, the wall of the air inlet cylinder is provided with a first valve, the exhaust pipe is communicated with the side wall of one end of the gas collecting pipe, which is close to the air inlet cylinder, and the wall of the exhaust pipe is provided with a second valve.
In summary, the utility model has the following beneficial technical effects:
1. through setting up water storage portion and gas collecting portion, water storage portion still is provided with gas collecting assembly, gas collecting assembly includes first gas collecting module, second gas collecting module and siphunculus, the tail gas that the heating furnace produced gets into first gas collecting module through the aiutage, then get into in the second gas collecting module through the siphunculus, first gas collecting module has played the effect of gathering gas to the heating furnace tail gas, and the heating furnace tail gas through the siphunculus has played the heating effect to the water of water storage portion, so as to satisfy the mill to the demand of hot water, the heating furnace tail gas reentrant in the gas collecting portion in the second gas collecting module, accomplish this moment and still possess certain heat to heating furnace tail gas self after the water heating work, under the effect of air-blower, external gas gets into in the gas in the aiutage, the heating effect has been played to the gas in the gas collecting pipe, in the gas that has the heat in the gas inlet heating furnace, improve the heating efficiency of heating furnace.
2. Through setting up first closing plate and second closing plate, and the bottom surface of first gas collecting module and second gas collecting module all sets up to the inclined plane, has in the aspect the staff to the clearance work of first gas collecting module and the nearly air inlet module of second, the inside impurity of first gas collecting module and second gas collecting module is through the landing of inclined plane to first opening and second opening part.
Drawings
Fig. 1 is a schematic structural diagram of a heating furnace tail gas heat recycling device according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional structural view of a water reservoir;
fig. 3 is a schematic cross-sectional structure of the gas collecting section.
Reference numerals illustrate: 1. a heating furnace; 11. an exhaust pipe; 12. an air inlet cylinder; 121. a first valve; 2. a heat collection box; 21. a water storage section; 211. a water inlet hole; 212. a water outlet hole; 213. a steam hole; 22. a gas collecting part; 221. a gas collecting tube; 222. a discharge cylinder; 223. an exhaust pipe; 2231. a second valve; 3. a gas collection assembly; 31. a first gas collection module; 311. a first opening; 312. a first sealing plate; 32. a second gas collection module; 321. an air outlet tube; 322. a second opening; 323. a second sealing plate; 33. a vent pipe; 4. a blower.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses a heating furnace tail gas heat recycling device. Referring to fig. 1 and 2, including heating furnace 1 and heat collection box 2, heating furnace 1 and heat collection box 2 intercommunication have aiutage 11 and intake tube 12, heat collection box 2 includes water storage portion 21 and gas collection portion 22, gas collection portion 22 is located the water storage portion 21 under, inlet opening 211 and apopore 212 have been seted up to water storage portion 21 lateral wall, the inside gas collection subassembly 3 that is provided with of water storage portion 21, gas collection subassembly 3 includes first gas collection module 31, second gas collection module 32 and breather pipe 33, wherein first gas collection module 31, second gas collection module 32 are integrated with water storage portion 21 respectively, aiutage 11 is linked together with first gas collection module 31 through heat collection box 2 lateral wall, breather pipe 33 is provided with the multiunit, multiunit breather pipe 33 evenly distributed is between first gas collection module 31 and second gas collection module 32, the both ends of breather pipe 33 communicate with first gas collection module 31 and second gas collection module 32 respectively, leave the gap of retaining between multiunit breather pipe 33, second gas collection module 32 intercommunication extends to gas outlet 321 of gas collection portion 22.
Referring to fig. 1 and 3, a gas collecting tube 221 is disposed inside the gas collecting portion 22, one end of the gas collecting tube 221 penetrates out of the side wall of the heat collecting box 2 to be communicated with the air inlet cylinder 12, the other end of the gas collecting tube 221 penetrates out of the box wall of the heat collecting box 2 to be communicated with the air blower 4, the gas collecting portion 22 is provided with a discharge cylinder 222 and an exhaust pipe 223, and excessive tail gas of the heating furnace 1 in the gas collecting portion 22 is discharged to the outside of the gas collecting portion 22 through the discharge cylinder 222.
Referring to fig. 2, the first gas collecting module 31 and the second gas collecting module 32 are respectively integrally connected with the water storage part 21, a first opening 311 communicated with the first gas collecting module 31 is formed in the side wall of the top of the water storage part 21, and a first sealing plate 312 is mounted at the first opening 311 through bolts; the side wall of the bottom of the water storage part 21 is provided with a second opening 322 communicated with the second gas collecting module 32, a second sealing plate 323 is arranged at the second opening 322 through bolts, and the first sealing plate 312 and the second sealing plate 323 are arranged, so that workers can conveniently detach and clean the interiors of the first gas collecting module 31 and the second gas collecting module 32; the bottom wall of the first gas collecting module 31 is set to be inclined downwards towards the direction of the first opening 311, the second opening 322 and the first opening 311 are positioned on the same side wall of the water storage part 21, and the bottom wall of the second gas collecting module 32 is set to be inclined downwards towards the direction of the second opening 322, namely, impurities in the first gas collecting module 31 and the second gas collecting module 32 can slide to the positions of the first opening 311 and the second opening 322 along the inclined plane, so that cleaning work of staff is facilitated.
Referring to fig. 1, the side wall of the water storage portion 21 is provided with a plurality of steam holes 213, and the steam holes 213 are closely adjacent to the bottom end of the first gas collecting module 31, so that, on one hand, normal steam emission is ensured, and, on the other hand, the water storage portion 21 maintains the maximum water storage amount.
Referring to fig. 3, the gas collecting tube 221 located inside the water storage portion 21 is a flat tube body, the gas collecting tube 221 is uniformly distributed inside the gas collecting portion 22, and the gas collecting tube 221 is formed as a flat tube body, so that the contact area between the gas collecting tube 221 and the tail gas of the heating furnace 1 in the gas collecting portion 22 is increased, and the heating speed of the gas inside the gas collecting tube 221 is increased.
Referring to fig. 1, a first valve 121 is installed on the wall of the air inlet cylinder 12, an air outlet pipe 223 is connected to one end of the air collecting pipe 221 near the air inlet cylinder 12, and a second valve 2231 is installed on the wall of the air outlet pipe 223, when the air in the air collecting pipe 221 is not good in heating effect, the first valve 121 can be closed, the second valve 2231 is opened, the air in the air collecting pipe 221 is discharged to the next process, when the air in the air collecting pipe 221 is good in heating effect, the first valve 121 is opened, the second valve 2231 is closed, and the heated air is discharged to the heating furnace 1.
The embodiment of the utility model relates to an implementation principle of a heating furnace tail gas heat recycling device, which comprises the following steps:
injecting water into the water storage part 21, turning on the blower 4, enabling tail gas generated by the heating furnace 1 to enter the first gas collecting module 31 through the exhaust pipe 11, and then entering the second gas collecting module 32 through the through pipe 33, wherein the first gas collecting module 31 plays a role in collecting gas for the tail gas of the heating furnace 1, and the tail gas of the heating furnace 1 passing through the through pipe 33 plays a role in heating water of the water storage part 21 so as to meet the hot water requirement of a factory; the tail gas of the heating furnace 1 in the second gas collecting module 32 reenters the gas collecting part 22, and the tail gas of the heating furnace 1 after water heating is completed has certain heat, the tail gas of the heating furnace 1 plays a role in heating the gas in the gas collecting pipe 221, the first valve 121 is opened, the second valve 2231 is closed, the gas with heat in the gas collecting pipe 221 enters the heating furnace 1, the heating efficiency of the heating furnace 1 is improved, if the heating effect of the gas in the gas collecting pipe 221 is poor, the first valve 121 is closed, the second valve 2231 is opened, the gas in the gas collecting pipe 221 is discharged, and the heating effect of the heating furnace 1 is prevented from being influenced.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a heating furnace tail gas heat recycling device, its characterized in that includes heating furnace (1) and heat collection case (2), heating furnace (1) lateral wall intercommunication has aiutage (11) and intake stack (12), heat collection case (2) are including water storage portion (21) and air collection portion (22), water inlet (211) and apopore (212) have been seted up to water storage portion (21), water storage portion (21) inside is provided with gas collection subassembly (3), gas collection subassembly (3) include first gas collection module (31), second gas collection module (32) and breather pipe (33), aiutage (11) are linked together with first gas collection module (31) through heat collection case (2) lateral wall, breather pipe (33) are provided with the multiunit, the both ends of breather pipe (33) are linked together with first gas collection module (31) and second gas collection module (32) respectively, second gas collection module (32) are linked together and are had a section of thick bamboo (321), gas outlet (321) extend to inside gas collection portion (22);
the air collecting device is characterized in that an air collecting pipe (221) is arranged inside the air collecting part (22), one end of the air collecting pipe (221) penetrates out of the side wall of the heat collecting box (2) to be communicated with the air inlet cylinder (12), the other end of the air collecting pipe (221) penetrates out of the box wall of the heat collecting box (2) and is provided with an air blower (4), and the air collecting part (22) is provided with an exhaust pipe (223) and an exhaust cylinder (222).
2. The device for recycling heat of tail gas of heating furnace according to claim 1, wherein a plurality of groups of ventilation pipes (33) are uniformly distributed between the first gas collecting module (31) and the second gas collecting module (32), and gaps are reserved among the plurality of groups of ventilation pipes (33).
3. The heating furnace tail gas heat recycling device according to claim 1, wherein the first gas collecting module (31) and the second gas collecting module (32) are respectively connected with the water storage part (21) in an integrated manner, a first opening (311) communicated with the first gas collecting module (31) is formed in the side wall of the top of the water storage part (21), and a first sealing plate (312) is arranged at the first opening (311); the side wall of the bottom of the water storage part (21) is provided with a second opening (322) communicated with the second gas collecting module (32), and a second sealing plate (323) is arranged at the second opening (322).
4. A heating furnace exhaust heat recycling apparatus according to claim 3, wherein the bottom wall of the first gas collecting module (31) is arranged in a state of being inclined downward toward the direction of the first opening (311), the second opening (322) and the first opening (311) are positioned on the same side wall of the water storage part (21), and the bottom wall of the second gas collecting module (32) is arranged in a state of being inclined downward.
5. The device for recycling heat of tail gas of heating furnace according to claim 1, wherein the water storage part (21) and the air collecting part (22) are in a vertical distribution state.
6. A heating furnace exhaust heat recycling apparatus according to claim 5, wherein the side wall of the water storage part (21) is provided with a plurality of steam holes (213).
7. The heating furnace tail gas heat recycling device according to claim 1, wherein the gas collecting tube (221) positioned in the water storage part (21) is a flat tube body, and the gas collecting tube (221) is uniformly distributed in the gas collecting part (22).
8. The device for recycling heat of tail gas of heating furnace according to claim 1, wherein the wall of the air inlet cylinder (12) is provided with a first valve (121), the exhaust pipe (223) is communicated with the side wall of one end of the gas collecting pipe (221) close to the air inlet cylinder (12), and the wall of the exhaust pipe (223) is provided with a second valve (2231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322276510.9U CN220771931U (en) | 2023-08-23 | 2023-08-23 | Heating furnace tail gas heat recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322276510.9U CN220771931U (en) | 2023-08-23 | 2023-08-23 | Heating furnace tail gas heat recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220771931U true CN220771931U (en) | 2024-04-12 |
Family
ID=90613801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322276510.9U Active CN220771931U (en) | 2023-08-23 | 2023-08-23 | Heating furnace tail gas heat recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220771931U (en) |
-
2023
- 2023-08-23 CN CN202322276510.9U patent/CN220771931U/en active Active
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