CN220771154U - Flue gas waste heat recovery equipment for direct-fired machine - Google Patents
Flue gas waste heat recovery equipment for direct-fired machine Download PDFInfo
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- CN220771154U CN220771154U CN202321664860.6U CN202321664860U CN220771154U CN 220771154 U CN220771154 U CN 220771154U CN 202321664860 U CN202321664860 U CN 202321664860U CN 220771154 U CN220771154 U CN 220771154U
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- waste heat
- heat
- box
- heat recovery
- fixedly connected
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- 239000002918 waste heat Substances 0.000 title claims abstract description 70
- 238000011084 recovery Methods 0.000 title claims abstract description 54
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000003546 flue gas Substances 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000004321 preservation Methods 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000002791 soaking Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a flue gas waste heat recovery device for a direct-fired engine, which comprises a waste heat recovery box, wherein a flue gas inlet channel is communicated with the right side of the bottom of the waste heat recovery box, the inner wall of the waste heat recovery box is fixedly connected with a heat preservation box, the inner wall of the heat preservation box is fixedly connected with a soaking plate, the inner wall of the soaking plate is attached to a water tank, and the surface of the soaking plate is fixedly connected with a heat conduction column. According to the utility model, the smoke with waste heat enters the waste heat recovery box through the smoke inlet channel, the waste heat is absorbed through the heat conduction column, the heat is transferred to the vapor chamber, the water tank is heated through the vapor chamber, at the moment, the water tank can be insulated through the heat insulation box, then the smoke enters the heat collection box through the discharge channel, the residual waste heat of the smoke heats the heat conduction column, and then the heat energy of the heat conduction column is blown out through the heat pipe through the fan, so that the effect of improving the utilization effect of the waste heat is achieved.
Description
Technical Field
The utility model relates to the technical field of flue gas waste heat recovery, in particular to flue gas waste heat recovery equipment for a direct-fired machine.
Background
The gas direct combustion engine is a machine which adopts combustible gas to directly burn and provides refrigeration, heating and sanitary hot water. The direct-combustion engine uses natural gas, diesel oil and other fuels as fuel energy sources, and most of widely used direct-combustion engines use natural gas as fuel. The direct combustion engine comprises a high temperature generator, a low temperature generator, a high temperature exchanger, a low temperature exchanger, an evaporator, a condenser and the like.
At present, a direct-fired machine can generate a large amount of flue gas in the combustion process, and then carries a large amount of waste heat, and most of the existing waste heat recovery equipment is used for reutilizing the waste heat in a heating water tank mode, as disclosed in the prior patent application number 202021923186.5, the utility model discloses a flue gas waste heat recovery device of a fuel gas turbine boiler of a fuel gas turbine factory. This gas turbine factory gas turbine boiler's flue gas waste heat recovery device through the setting of heat absorption groove, annular heat pipe, base and heat transfer tungsten filament, and during the use, the flue gas flows through annular heat pipe and erodes the heat pipe lower extreme, and the annular heat pipe absorbs heat the back and can be more quick with the heat guide to the upper end through heat transfer tungsten filament, and the heat pipe upper end is exothermic heats water to accomplish waste heat recovery work, easy operation has improved work efficiency greatly.
Although the above patent can accomplish waste heat recovery work through the setting of heat absorption groove, annular heat pipe, base and heat transfer tungsten filament, and easy operation has improved work efficiency greatly, but the surface area of water tank is mostly in the state of exposing in the above patent for it keeps warm effectually relatively poor, and then leads to the waste heat to produce certain loss at the in-process of retrieving, makes its practicality reduce.
Therefore, the existing waste heat recovery equipment needs to be modified, and when the waste heat recovery equipment is effectively prevented from being used, the heat preservation effect of the water tank is poor, so that the waste heat is lost.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model aims to provide the flue gas waste heat recovery device for the direct-fired machine, which has the advantages that the water tank can be effectively insulated when the waste heat recovery device is used, the utilization rate of waste heat is improved, and the problem that the waste heat is lost due to poor heat insulation effect on the water tank when the waste heat recovery device is used is solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a direct-fired machine flue gas waste heat recovery equipment, includes the waste heat recovery case, waste heat recovery case bottom right side intercommunication has into the cigarette passageway, waste heat recovery case's inner wall fixedly connected with heat preservation box, heat preservation box's inner wall fixedly connected with soaking plate, the inner wall laminating of soaking plate has the water tank, the fixed surface of soaking plate has the heat conduction post, and the heat conduction post runs through the heat preservation box and extends to waste heat recovery case's inside, waste heat recovery case left top intercommunication has the exhaust passage, the other end fixedly connected with heat collection box of exhaust passage, heat collection box's bottom fixedly connected with heat exchange box, heat exchange box's right side is provided with the fan, heat collection box's inner wall fixedly connected with heat exchange column, and the bottom of heat exchange column extends to the inside of heat exchange box and uses with the fan cooperation, heat collection box and heat exchange box's right-hand member intercommunication have exhaust pipe and trachea respectively.
Moreover, the draw-in groove has been seted up at the top of advancing the cigarette passageway, the inside joint of draw-in groove has the filtration frame, the inside symmetry fixedly connected with first filter screen and second filter screen of filtration frame.
And the net diameter of the first filter screen is larger than that of the second filter screen, the bottom of the filter frame is fixedly connected with a sealing gasket, and the sealing gasket is matched with the clamping groove for use.
Moreover, the surface of the heat preservation box is sleeved with a spiral blade, and the surface of the spiral blade is fixedly connected with the waste heat recovery box.
And the top of the water tank is symmetrically communicated with a water inlet pipe and a water outlet pipe.
And the left side of the waste heat recovery box is fixedly connected with a support frame, and the top of the support frame is fixedly connected with the heat exchange box.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the smoke with waste heat enters the waste heat recovery box through the smoke inlet channel, the waste heat is absorbed through the heat conduction column, the heat is transferred to the vapor chamber, the water tank is heated through the vapor chamber, at the moment, the water tank can be insulated through the heat insulation box, then the smoke enters the heat collection box through the discharge channel, the residual waste heat of the smoke heats the heat conduction column, and then the heat energy of the heat conduction column is blown out through the heat pipe through the fan, so that the effect of improving the utilization effect of the waste heat is achieved.
2. According to the utility model, through the arrangement of the clamping groove, the filtering frame, the first filtering net and the second filtering net, the dust in the smoke can be subjected to graded filtering, so that the dust in the smoke can be prevented from blocking a subsequent pipeline.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an enlarged schematic view of fig. 1 a according to the present utility model.
In the figure: 1. a waste heat recovery box; 2. a smoke inlet channel; 3. a thermal insulation box; 4. a soaking plate; 5. a water tank; 6. a heat conducting column; 7. a discharge passage; 8. a heat collecting box; 9. a heat exchange box; 10. a fan; 11. a heat exchange column; 12. a smoke exhaust pipe; 13. a hot air pipe; 14. a clamping groove; 15. a filter frame; 16. a first filter screen; 17. a second filter screen; 18. a sealing gasket; 19. a helical blade; 20. a water inlet pipe; 21. a drain pipe; 22. and (5) supporting frames.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 2, the flue gas waste heat recovery device for the direct-fired machine provided by the utility model comprises a waste heat recovery box 1, wherein a flue gas inlet channel 2 is communicated with the right side of the bottom of the waste heat recovery box 1, a heat preservation box 3 is fixedly connected to the inner wall of the waste heat recovery box 1, a soaking plate 4 is fixedly connected to the inner wall of the heat preservation box 3, a water tank 5 is attached to the inner wall of the soaking plate 4, a heat conduction column 6 is fixedly connected to the surface of the soaking plate 4, the heat conduction column 6 penetrates through the heat preservation box 3 and extends to the inside of the waste heat recovery box 1, a discharge channel 7 is communicated with the top of the left side of the waste heat recovery box 1, a heat collection box 8 is fixedly connected to the bottom of the heat collection box 8, a heat exchange box 9 is arranged on the right side of the heat exchange box 9, a fan 10 is arranged on the inner wall of the heat collection box 8, a heat exchange column 11 is fixedly connected to the bottom of the heat exchange column 11, and the bottom of the heat exchange column 11 extends to the inside of the heat exchange box 9 and is matched with the fan 10 for use, and a smoke exhaust pipe 12 and a gas pipe 13 are respectively communicated with the right ends of the heat collection box 8 and the heat collection box 9.
Referring to fig. 2, a clamping groove 14 is formed in the top of the smoke inlet channel 2, a filter frame 15 is clamped in the clamping groove 14, and a first filter screen 16 and a second filter screen 17 are symmetrically and fixedly connected in the filter frame 15.
As a technical optimization scheme of the utility model, dust in the flue gas can be filtered for multiple times through the arrangement of the clamping groove 14, the filtering frame 15, the first filtering screen 16 and the second filtering screen 17, so that the dust in the flue gas can be prevented from blocking a subsequent pipeline.
Referring to fig. 2, the first filter screen 16 has a larger screen diameter than the second filter screen 17, a sealing pad 18 is fixedly connected to the bottom of the filter frame 15, and the sealing pad 18 is used in cooperation with the clamping groove 14.
As a technical optimization scheme of the utility model, dust in the flue gas can be filtered in a grading way through the fact that the mesh diameter of the first filter screen 16 is larger than that of the second filter screen 17, and the flue gas is prevented from overflowing through gaps between the clamping grooves 14 and the filter frame 15 through the arrangement of the sealing gasket 18.
Referring to fig. 1, a spiral blade 19 is sleeved on the surface of the insulation box 3, and the surface of the spiral blade 19 is fixedly connected with the waste heat recovery box 1.
As a technical optimization scheme of the utility model, the spiral blades 19 are arranged to give a motion track to the flue gas, so that the flue gas uniformly surrounds the heat preservation box 3, and the flue gas can be uniformly heated.
Referring to fig. 1, a water inlet pipe 20 and a water outlet pipe 21 are symmetrically connected to the top of the water tank 5.
As a technical optimization scheme of the utility model, the water intake and water change of the water tank 5 are facilitated by the arrangement of the water inlet pipe 20 and the water outlet pipe 21, and the practicability of the device is improved.
Referring to fig. 1, a support frame 22 is fixedly connected to the left side of the waste heat recovery tank 1, and the top of the support frame 22 is fixedly connected to the heat exchange box 9.
As a technical optimization scheme of the utility model, the effect of supporting the heat exchange box 9 in an auxiliary way is achieved through the arrangement of the supporting frame 22.
The working principle and the using flow of the utility model are as follows: when the staff uses this flue gas waste heat recovery equipment to retrieve the flue gas that the direct-fired machine discharged, at first will advance the flue gas passageway 2 and be connected with the flue gas discharge port of direct-fired machine, then pour into the water through inlet tube 20 into in to water tank 5, when the direct-fired machine discharges the flue gas, make the flue gas carry out the hierarchical filtration through first filter screen 16 and the second filter screen 17 in advancing the flue gas passageway 2 earlier, thereby remove the dust in the flue gas, then make the flue gas get into in the waste heat recovery case 1, and go on the motion track of prescribing a limit to the flue gas through helical blade 19, can make its even distribution in the inside of waste heat recovery case 1, at this moment, the waste heat in the flue gas is absorbed heat to heat conduction post 6, make heat transfer to soaking plate 4, and heat tank 5 heats through soaking plate 4, at this moment, can keep warm the surface of water tank 5 through heat preservation box 3, thereby can prevent the effect that water tank 5 reduces the heat loss, then the flue gas gets into heat collection box 8 through discharge channel 7, at this moment, absorb the remaining waste heat in the flue gas through heat exchange post 11, and make its heat transfer to the inside waste heat recovery case 1, and then make its heat transfer to flue gas through the heat exchange post 11 through the fan 11 blow off in order to blow off the flue gas through the exhaust pipe 13.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a direct-fired machine flue gas waste heat recovery equipment, includes waste heat recovery case (1), its characterized in that: the utility model discloses a waste heat recovery case (1) bottom right side intercommunication has into cigarette passageway (2), the inner wall fixedly connected with heat preservation box (3) of waste heat recovery case (1), the inner wall fixedly connected with homothermal plate (4) of heat preservation box (3), the laminating of the inner wall of homothermal plate (4) has water tank (5), the fixed surface of homothermal plate (4) is connected with heat conduction post (6), and heat conduction post (6) run through heat preservation box (3) and extend to the inside of waste heat recovery case (1), the top intercommunication of waste heat recovery case (1) left side has discharge channel (7), the other end fixedly connected with heat collection box (8) of discharge channel (7), the bottom fixedly connected with heat exchange box (9) of heat collection box (8), the right side of heat exchange box (9) is provided with fan (10), the inner wall fixedly connected with heat exchange post (11) of heat collection box (8), and the bottom of heat exchange post (11) extends to the inside of heat exchange box (9) and with fan (10), and heat collection box (12) and exhaust pipe (13) use and use heat exchange end intercommunication respectively.
2. The flue gas waste heat recovery apparatus for a direct combustion engine according to claim 1, wherein: clamping grooves (14) are formed in the tops of the smoke inlet channels (2), filter frames (15) are clamped in the clamping grooves (14), and a first filter screen (16) and a second filter screen (17) are symmetrically and fixedly connected to the interiors of the filter frames (15).
3. The flue gas waste heat recovery apparatus for a direct combustion engine according to claim 2, wherein: the diameter of the first filter screen (16) is larger than that of the second filter screen (17), a sealing gasket (18) is fixedly connected to the bottom of the filter frame (15), and the sealing gasket (18) is matched with the clamping groove (14).
4. The flue gas waste heat recovery apparatus for a direct combustion engine according to claim 1, wherein: the surface of the heat preservation box (3) is sleeved with a spiral blade (19), and the surface of the spiral blade (19) is fixedly connected with the waste heat recovery box (1).
5. The flue gas waste heat recovery apparatus for a direct combustion engine according to claim 1, wherein: the top of the water tank (5) is symmetrically communicated with a water inlet pipe (20) and a water outlet pipe (21).
6. The flue gas waste heat recovery apparatus for a direct combustion engine according to claim 1, wherein: the left side of the waste heat recovery box (1) is fixedly connected with a support frame (22), and the top of the support frame (22) is fixedly connected with the heat exchange box (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321664860.6U CN220771154U (en) | 2023-06-28 | 2023-06-28 | Flue gas waste heat recovery equipment for direct-fired machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321664860.6U CN220771154U (en) | 2023-06-28 | 2023-06-28 | Flue gas waste heat recovery equipment for direct-fired machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220771154U true CN220771154U (en) | 2024-04-12 |
Family
ID=90611380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321664860.6U Active CN220771154U (en) | 2023-06-28 | 2023-06-28 | Flue gas waste heat recovery equipment for direct-fired machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220771154U (en) |
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2023
- 2023-06-28 CN CN202321664860.6U patent/CN220771154U/en active Active
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