CN220398300U - Heating waste heat recovery device - Google Patents
Heating waste heat recovery device Download PDFInfo
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- CN220398300U CN220398300U CN202321674020.8U CN202321674020U CN220398300U CN 220398300 U CN220398300 U CN 220398300U CN 202321674020 U CN202321674020 U CN 202321674020U CN 220398300 U CN220398300 U CN 220398300U
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- waste heat
- heat recovery
- heat exchange
- cooperation
- stirring shaft
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- 239000002918 waste heat Substances 0.000 title claims abstract description 81
- 238000011084 recovery Methods 0.000 title claims abstract description 73
- 238000010438 heat treatment Methods 0.000 title claims abstract description 41
- 238000003756 stirring Methods 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000002156 mixing Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 18
- 239000003546 flue gas Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 16
- 239000000779 smoke Substances 0.000 description 13
- 230000001965 increasing effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 241000220317 Rosa Species 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a heating waste heat recovery device, which comprises a waste heat recovery box, wherein an air inlet pipe and an air outlet pipe are matched on the waste heat recovery box, a plurality of groups of snakelike heat exchange coils are arranged between the air inlet pipe and the air outlet pipe, a plurality of upper guide plates are arranged at the top end of the interior of the waste heat recovery box in a matched mode, a plurality of lower guide plates are arranged at the bottom end of the interior of the waste heat recovery box in a matched mode, a flow guide cavity is formed between the upper guide plates and the lower guide plates in a matched mode, a liquid inlet pipe is arranged on the waste heat recovery box in a matched mode, a liquid outlet pipe is arranged in a matched mode, a stirring shaft is arranged in the flow guide cavity, a driving mechanism is arranged in a matched mode, a first spiral blade is arranged on the stirring shaft, a second spiral blade is arranged on the outer side of the first spiral blade in a reverse sleeved mode, and the preheating recovery effect of flue gas in a heating process is good, and recovery efficiency is high.
Description
Technical Field
The utility model relates to the technical field of heating heat recovery, in particular to a heating waste heat recovery device.
Background
In the heating system, the fuel is burned by the boiler to generate heat and heat the heating heat transfer medium, but a large amount of flue gas is generated in the combustion process of the fuel by the boiler, and the flue gas is discharged outwards after being treated, but the flue gas contains a large amount of heat, and if the flue gas is directly discharged, heat loss is caused to influence the utilization efficiency of energy.
The chinese patent document with publication number CN215114081U provides a waste heat recovery device for heating equipment, in the above-mentioned scheme, through the coil pipe spare spiral coil that will be connected with external heating equipment in the outside of heat absorption water tank, realize the heating to the interior water of heat absorption water tank, thereby realize the utilization of heating waste heat, but in the above-mentioned scheme, the in-process that carries out heat exchange with the water in the heat absorption water tank of heating waste heat, need pass through coil pipe and heat absorption water tank two-layer structure, the heat transfer efficiency is poor, and the coil pipe is at this in-process, carries out the heat transfer with the air of contact around easily, lead to the waste heat external heat dissipation rate high, influence the recycle efficiency of waste heat.
In chinese patent publication No. CN214950751U, a central heating waste heat recovery device is provided, in which a spiral pipe for heat exchange is disposed inside a water storage tank, which improves heat exchange efficiency with a heat exchange medium and reduces heat dissipation, compared with a spiral pipe wound outside, but with this spiral structure, contact uniformity between the medium and the spiral pipe is poor, contact time is short, and some medium is discharged from the water storage tank even without sufficient heat exchange, thereby resulting in lower recovery efficiency of heating waste heat.
Disclosure of Invention
The utility model aims to provide a heating waste heat recovery device, which aims to solve the problem of poor recovery efficiency when waste heat recovery in a heating process is realized in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a heating waste heat recovery device, includes the waste heat recovery case, the cooperation is provided with intake pipe and outlet duct on the waste heat recovery case, be provided with multiunit snakelike heat transfer coil between intake pipe and the outlet duct, the inside top cooperation snakelike heat transfer coil of waste heat recovery case is provided with a plurality of deflector, and the bottom cooperation snakelike heat transfer coil is provided with a plurality of deflector down, it is formed with the water conservancy diversion chamber to cooperate snakelike heat transfer coil between deflector and the deflector down, the cooperation outlet duct is provided with the feed liquor pipe on the waste heat recovery case to cooperate the intake pipe to be provided with the drain pipe, the water conservancy diversion intracavity is provided with the (mixing) shaft, and cooperates the (mixing) shaft to be provided with actuating mechanism, be provided with first helical blade on the (mixing) shaft, first helical blade's outside is provided with reverse cover and is equipped with the second helical blade.
As a further scheme of the utility model: every the one end of (mixing) shaft all extends to the outside of surplus heat recovery case, actuating mechanism includes the motor, the output of motor is connected with the transmission between one of them (mixing) shaft, every the extension end of (mixing) shaft all is provided with the drive wheel, and adjacent two be provided with the hold-in range between the drive wheel, can realize the drive of (mixing) shaft through the cooperation of motor, drive wheel and hold-in range.
As still further aspects of the utility model: the two ends of the plurality of groups of snakelike heat exchange coils are respectively provided with the flow guide sections between the air inlet pipe and the air outlet pipe, so that flue gas in the heating process can more uniformly enter the annular heat exchange pipe.
As still further aspects of the utility model: circulation gaps are formed between the first helical blade and the stirring shaft and between the second helical blade and the stirring shaft, so that the resistance of the first helical blade and the second helical blade during stirring is reduced, and the mixing effect is improved.
As still further aspects of the utility model: and a plurality of groups of heat exchange fins are uniformly arranged on each serpentine heat exchange coil, so that the heat exchange effect of the serpentine heat exchange coils is enhanced.
As still further aspects of the utility model: the upper guide plates and the lower guide plates are arranged at intervals, and the overlapping parts are arranged between the upper guide plates and the lower guide plates adjacent to each other, so that the guiding and guiding effects of the guiding cavity are enhanced.
As still further aspects of the utility model: the liquid inlet pipe is connected with a filter box, and a filter screen group is arranged in the filter box, so that the heat exchange medium can be filtered before entering the waste heat exchange box.
Compared with the prior art, the utility model has the advantages that:
1. the utility model comprises a waste heat recovery box, wherein the waste heat recovery box is provided with an air inlet pipe and an air outlet pipe which are matched with each other, and a plurality of groups of snakelike heat exchange coils are arranged between the air inlet pipe and the air outlet pipe, so that the contact area between a heat exchange medium in the waste heat recovery box and the snakelike heat exchange coils can be increased, the heat exchange efficiency is improved, and the waste heat recovery efficiency is improved.
2. Meanwhile, the liquid inlet pipe is arranged on the waste heat recovery box in cooperation with the air outlet pipe, and the liquid outlet pipe is arranged in cooperation with the air inlet pipe, so that the flow direction of the heat exchange medium in the waste heat recovery box is opposite to the flow direction of the smoke in the heat exchange pipe, in the process, the temperature of the heat exchange medium is gradually increased, the temperature of the circulated smoke is gradually reduced, the smoke with high temperature which newly enters the serpentine heat exchange coil can heat the smoke after being heated to a certain degree through the serpentine heat exchange coil, and the smoke after being cooled can heat the newly-entering low-temperature heat exchange medium, thereby fully realizing the heat exchange between the heat exchange medium and the smoke waste heat in the serpentine heat exchange coil and enhancing the recovery efficiency of the smoke waste heat in the heating process.
3. According to the utility model, the upper guide plate and the lower guide plate are arranged in the waste heat recovery box in cooperation with the serpentine heat exchange coil, the guide cavity is formed between the upper guide plate and the lower guide plate in cooperation with the serpentine heat exchange coil, and the flow direction of a medium entering the waste heat recovery box can be limited through the arrangement of the guide cavity, so that the flow direction of the medium is more matched with the flow direction of smoke in the serpentine heat exchange coil, the contact area between the heat exchange medium and the serpentine heat exchange coil is increased, the circulation time of the heat exchange medium in the waste heat recovery box is prolonged, the heat exchange sufficiency between the heat exchange medium and the serpentine heat exchange coil is improved, and the recycling efficiency of smoke waste heat in the heating process is improved.
4. The stirring shaft is arranged in the flow guiding cavity, and is provided with a motor, a driving wheel and a synchronous belt which are used for driving the stirring shaft to rotate in a matched mode, and the stirring shaft is provided with a first spiral blade and a second spiral blade which are mutually matched and are reversely arranged;
when stirring of flowing liquid in the waste heat recovery box is realized, a motor is started, a corresponding stirring shaft is driven to rotate by the motor, other stirring shafts can be driven to rotate by the cooperation of the stirring shaft, a driving wheel and a synchronous belt, and a first spiral blade and a second spiral blade can be driven to rotate by the rotation of the stirring shaft, so that stirring of liquid in conveying in the waste heat recovery box is realized;
according to the utility model, the first spiral blade and the second spiral blade are mutually matched, so that the stirring direction of liquid can be thoroughly disturbed, the mixing uniformity effect of the liquid is improved, the full contact between the liquid and the serpentine heat exchange coil is realized, the heat exchange effect is improved, and the recycling efficiency of the waste heat of heating flue gas in the serpentine heat exchange coil is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a heating waste heat recovery device of the present utility model;
FIG. 2 is a schematic cross-sectional view of the overall internal structure of the present utility model;
FIG. 3 is a schematic view of the connection structure between the air inlet pipe, the air outlet pipe, the serpentine heat exchange coil, the upper guide plate, the lower guide plate, the stirring shaft, the first spiral blade and the second spiral blade;
FIG. 4 is a schematic view of the connection structure among the stirring shaft, the first helical blade and the second helical blade in the present utility model;
fig. 5 is a schematic view showing an internal structure of the filter box according to the present utility model.
In the figure: 1. a waste heat recovery box; 2. an air inlet pipe; 3. an air outlet pipe; 4. a serpentine heat exchange coil; 5. an upper guide plate; 6. a lower guide plate; 7. a diversion cavity; 8. a liquid inlet pipe; 9. a liquid outlet pipe; 10. a stirring shaft; 11. a first helical blade; 12. a second helical blade; 13. a motor; 14. a driving wheel; 15. a synchronous belt; 16. a diversion section; 17. a flow gap; 18. heat exchanging fins; 19. a superposition section; 20. a filter box; 21. a filter screen set.
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.
Example 1:
referring to fig. 1 to 5, in an embodiment of the present utility model:
the utility model provides a heating waste heat recovery device, including waste heat recovery case 1, the cooperation is provided with intake pipe 2 and outlet duct 3 on the waste heat recovery case 1, be provided with multiunit snakelike heat transfer coil 4 between intake pipe 2 and the outlet duct 3, the inside top cooperation snakelike heat transfer coil 4 of waste heat recovery case 1 is provided with a plurality of deflector 5, and the bottom cooperation snakelike heat transfer coil 4 is provided with a plurality of deflector 6 down, it is formed with water conservancy diversion chamber 7 to go up deflector 5 and down between the deflector 6 cooperation snakelike heat transfer coil 4, cooperation outlet duct 3 is provided with feed liquor pipe 8 on the waste heat recovery case 1, and cooperation intake pipe 2 is provided with drain pipe 9, be provided with (mixing) shaft 10 in the water conservancy diversion chamber 7, and cooperation (mixing) shaft 10 is provided with actuating mechanism, be provided with first helical blade 11 on the (mixing) shaft 10, the outside of first helical blade 11 is provided with reverse cover and is equipped with second helical blade 12.
In the embodiment of the utility model, the following steps are included: one end of each stirring shaft 10 extends to the outer side of the waste heat recovery box 1, the driving mechanism comprises a motor 13, the output end of the motor 13 is in transmission connection with one stirring shaft 10, the extending end of each stirring shaft 10 is provided with a driving wheel 14, a synchronous belt 15 is arranged between two adjacent driving wheels 14, when stirring of flowing liquid in the waste heat recovery box 1 is realized, the motor 13 is started, the corresponding stirring shaft 10 is driven to rotate through the motor 13, other stirring shafts 10 can be driven to rotate through the cooperation of the stirring shafts 10, the driving wheels 14 and the synchronous belt 15, and the first spiral blade 11 and the second spiral blade 12 can be driven to rotate through the rotation of the stirring shaft 10, so that stirring of the liquid in the waste heat recovery box 1 is realized;
according to the utility model, the first spiral blade 11 and the second spiral blade 12 are matched with each other, so that the stirring direction of liquid can be thoroughly disturbed, the mixing uniformity effect of the liquid is improved, the liquid is fully contacted with the serpentine heat exchange coil 4, the heat exchange effect is improved, and the recycling efficiency of the waste heat of heating smoke in the serpentine heat exchange coil 4 is improved.
In the embodiment of the utility model, the following steps are included: the air in the air inlet pipe 2 enters the plurality of groups of the snakelike heat exchange coils 4 when the arrangement of the air guide sections 16 can be better, and meanwhile, the flue gas in the snakelike heat exchange coils 4 is better gathered, so that the flue gas is discharged outwards through the air outlet pipe 3.
In the embodiment of the utility model, the following steps are included: circulation gaps 17 are formed between the first helical blade 11 and the stirring shaft 10 and between the second helical blade 12 and the stirring shaft 10, the mixing effect of the first helical blade 11 and the second helical blade 12 on the liquid in the flow guide cavity 7 can be further improved through the arrangement of the circulation gaps 17, meanwhile, the resistance of the first helical blade 11 and the second helical blade 12 in rotation along with the stirring shaft 10 can be reduced, the stirring mixing effect is improved, the liquid can be more uniformly contacted with the serpentine heat exchange coil 4, heat exchange is realized, and the recovery effect of heating waste heat is enhanced.
In the embodiment of the utility model, the following steps are included: the heat exchange fins 18 are uniformly arranged on each serpentine heat exchange coil 4, and the contact area between the liquid in the waste heat recovery box 1 and the serpentine heat exchange coils 4 can be increased through the arrangement of the heat exchange fins 18, so that the heat exchange efficiency is further improved, and the waste heat recovery efficiency and effect are improved.
In the embodiment of the utility model, the following steps are included: the upper guide plates 5 and the lower guide plates 6 are arranged at intervals, and the overlapping parts 19 are arranged between the adjacent upper guide plates 5 and the adjacent lower guide plates 6, so that when liquid circulates in the diversion cavity 7, a circulation path matched with the shape of the serpentine heat exchange coil 4 is formed, the circulation duration of the liquid in the heat exchange box can be prolonged, the liquid can be in full contact with the serpentine heat exchange coil 4, the heat exchange effect is improved, and the utilization efficiency of waste heat is improved.
In the embodiment of the utility model, the following steps are included: be connected with rose box 20 on the feed liquor pipe 8, be provided with filter screen group 21 in the rose box 20, can realize the filtration before liquid gets into waste heat recovery case 1 through the cooperation of rose box 20 and filter screen group 21 to avoid impurity in waste heat recovery case 1 accumulational condition.
Example 2:
referring to fig. 1 to 5, the present utility model relates to a heating waste heat recovery device, in use, an air inlet pipe 2 is connected with a smoke exhaust pipe of external heating equipment, so that smoke generated in the heating process is conveyed into a serpentine heat exchange coil 4 through the air inlet pipe 2 and circulates in a waste heat recovery box 1 along the serpentine heat exchange coil 4, and finally is discharged out of the waste heat recovery box 1 through an air outlet pipe 3 for further purification treatment and the like;
in this process, carry the low temperature medium to the waste heat recovery case 1 through feed liquor pipe 8, under the effect of last deflector 5 and lower deflector 6, heat transfer medium can flow along the reverse of heating flue gas circulation in water conservancy diversion chamber 7 and carry out the heat transfer with snakelike heat exchange coil 4 contact, this in-process, the temperature of heat transfer medium is increasing gradually, and the temperature of the flue gas of circulation is being reduced gradually, the flue gas that the temperature of newly entering snakelike heat exchange coil 4 is high can heat the flue gas after certain heating through snakelike heat exchange coil 4, and the flue gas after the cooling can heat the low temperature heat transfer medium that newly gets into, thereby the heat transfer of heat transfer medium and the interior flue gas waste heat of snakelike heat exchange coil 4 can be abundant, the recovery efficiency of flue gas waste heat in the enhancement heating process.
Example 3:
referring to fig. 1 to 5, on the basis of embodiment 2, the utility model is provided with an upper guide plate 5 and a lower guide plate 6 in the waste heat recovery box 1 by matching with the serpentine heat exchange coil 4, a flow guide cavity 7 is formed between the upper guide plate 6 and the lower guide plate 6 by matching with the serpentine heat exchange coil 4, and the flow direction of a medium entering the waste heat recovery box 1 can be limited by the arrangement of the flow guide cavity 7, so that the flow direction of the medium is more matched with the flow direction of flue gas in the serpentine heat exchange coil 4, the contact area between the heat exchange medium and the serpentine heat exchange coil 4 is increased, the circulation time of the heat exchange medium in the waste heat recovery box 1 is prolonged, the heat exchange sufficiency between the heat exchange medium and the serpentine heat exchange coil 4 is improved, and the recycling efficiency of flue gas waste heat in the heating process is improved;
example 4:
referring to fig. 1 to 5, on the basis of embodiment 3, the utility model is provided with a stirring shaft 10 in a diversion cavity 7, and is provided with a motor 13, a driving wheel 14 and a synchronous belt 15 which are used for driving the stirring shaft 10 to rotate in cooperation with the stirring shaft 10, and the stirring shaft 10 is provided with a first helical blade 11 and a second helical blade 12 which are mutually matched and reversely arranged;
when stirring the flowing liquid in the waste heat recovery tank 1 is realized, a motor 13 is started, a corresponding stirring shaft 10 is driven to rotate by the motor 13, other stirring shafts 10 can be driven to rotate by the cooperation of the stirring shaft 10, a driving wheel 14 and a synchronous belt 15, and a first helical blade 11 and a second helical blade 12 can be driven to rotate by the rotation of the stirring shaft 10, so that stirring of the liquid conveyed in the waste heat recovery tank 1 is realized;
according to the utility model, the first spiral blade 11 and the second spiral blade 12 are matched with each other, so that the stirring direction of liquid can be thoroughly disturbed, the mixing uniformity effect of the liquid is improved, the liquid is fully contacted with the serpentine heat exchange coil 4, the heat exchange effect is improved, and the recycling efficiency of the waste heat of heating smoke in the serpentine heat exchange coil 4 is improved.
In all the above mentioned embodiments, the welding, the matching connection of the bolt and the nut, the bolt or the screw connection or other known connection modes can be selected according to the actual situation, and are not described in detail herein, the above description refers to the write-in fixed connection, and the welding is preferentially considered, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present utility model if the technical scheme and the inventive concept thereof are equivalent or changed within the scope of the present utility model.
Claims (7)
1. The utility model provides a heating waste heat recovery device, includes waste heat recovery case (1), waste heat recovery case (1) is gone up the cooperation and is provided with intake pipe (2) and outlet duct (3), its characterized in that: be provided with multiunit snakelike heat exchange coil (4) between intake pipe (2) and outlet duct (3), inside top cooperation snakelike heat exchange coil (4) of waste heat recovery case (1) are provided with a plurality of deflector (5), and bottom cooperation snakelike heat exchange coil (4) are provided with a plurality of deflector (6) down, cooperation snakelike heat exchange coil (4) are formed with water conservancy diversion chamber (7) between deflector (5) and lower deflector (6), waste heat recovery case (1) are gone up cooperation outlet duct (3) and are provided with feed liquor pipe (8) to cooperation intake pipe (2) are provided with drain pipe (9), be provided with (mixing) shaft (10) in water conservancy diversion chamber (7), and cooperation (mixing) shaft (10) are provided with actuating mechanism, be provided with first helical blade (11) on (mixing) shaft (10), the outside of first helical blade (11) is provided with reverse cover and is equipped with second helical blade (12).
2. A heating waste heat recovery apparatus according to claim 1, wherein: one end of each stirring shaft (10) extends to the outer side of the waste heat recovery box (1), the driving mechanism comprises a motor (13), the output end of the motor (13) is in transmission connection with one stirring shaft (10), the extending end of each stirring shaft (10) is provided with a driving wheel (14), and a synchronous belt (15) is arranged between two adjacent driving wheels (14).
3. A heating waste heat recovery apparatus according to claim 1, wherein: and a diversion section (16) is arranged between two ends of the plurality of groups of serpentine heat exchange coils (4) and the air inlet pipe (2) and the air outlet pipe (3) respectively.
4. A heating waste heat recovery apparatus according to claim 2, wherein: and a circulation gap (17) is formed between the first spiral blade (11) and the stirring shaft (10) and between the second spiral blade (12) and the stirring shaft (10).
5. A heating waste heat recovery apparatus according to claim 3, wherein: and a plurality of groups of heat exchange fins (18) are uniformly arranged on each serpentine heat exchange coil (4).
6. A heating waste heat recovery apparatus according to claim 5, wherein: the upper guide plates (5) and the lower guide plates (6) are arranged at intervals, and overlapping parts (19) are arranged between the upper guide plates (5) and the lower guide plates (6) which are adjacent to each other.
7. A heating waste heat recovery apparatus according to claim 1, wherein: the liquid inlet pipe (8) is connected with a filter box (20), and a filter screen group (21) is arranged in the filter box (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321674020.8U CN220398300U (en) | 2023-06-28 | 2023-06-28 | Heating waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321674020.8U CN220398300U (en) | 2023-06-28 | 2023-06-28 | Heating waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220398300U true CN220398300U (en) | 2024-01-26 |
Family
ID=89612393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321674020.8U Active CN220398300U (en) | 2023-06-28 | 2023-06-28 | Heating waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220398300U (en) |
-
2023
- 2023-06-28 CN CN202321674020.8U patent/CN220398300U/en active Active
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