CN221593620U - Boiler flue gas waste heat recovery and utilization device of thermal power plant - Google Patents
Boiler flue gas waste heat recovery and utilization device of thermal power plant Download PDFInfo
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- CN221593620U CN221593620U CN202323386883.8U CN202323386883U CN221593620U CN 221593620 U CN221593620 U CN 221593620U CN 202323386883 U CN202323386883 U CN 202323386883U CN 221593620 U CN221593620 U CN 221593620U
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- heat
- flue gas
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000003546 flue gas Substances 0.000 title claims abstract description 60
- 239000002918 waste heat Substances 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 117
- 238000010438 heat treatment Methods 0.000 claims abstract description 60
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000004064 recycling Methods 0.000 claims abstract description 11
- 239000000779 smoke Substances 0.000 claims description 37
- 238000001179 sorption measurement Methods 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000000746 purification Methods 0.000 description 9
- 239000003245 coal Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a boiler flue gas waste heat recycling device of a thermal power plant, which comprises a heat exchange box, a water storage tank arranged at one side of the heat exchange box and used for storing water, a heating component used for recycling the flue gas waste heat and a filtering component used for purifying the flue gas, wherein the heating component comprises a flue gas inlet pipe arranged at the bottom of the heat exchange box and used for guiding the flue gas, a flow guide cavity arranged at the inner side of the heat exchange box and used for guiding the flue gas, and a flow guide frame arranged at the inner side of the flow guide cavity and used for guiding the flue gas.
Description
Technical Field
The utility model relates to the technical field of flue gas waste heat recovery, in particular to a flue gas waste heat recovery and utilization device of a boiler of a thermal power plant.
Background
When the thermal power plant generates electricity, coal is mostly used as fuel for combustion, but a large amount of heat is generally lost in the process of coal combustion, so that the power generation efficiency is reduced, the coal fuel is very precious as a non-renewable energy source, the utilization efficiency of the coal fuel can cause certain waste to the coal, so that the energy consumption is overlarge, the damage to natural environment is aggravated, the heat loss of the coal in the combustion is reduced, the heat of the flue gas generated in the boiler is recycled at present, the water is heated and warmed by the flue gas waste heat when the flue gas waste heat of the boiler is recycled by the existing equipment so as to be used directly by hot water, the utilization rate of the heat generated when the coal is combusted is higher, but the heat in the flue gas cannot be fully recycled by the existing equipment, the filtering effect of the flue gas is poor, and the polluted air is directly discharged.
The existing equipment is to quick discharge of flue gas when flue gas waste heat recovery utilizes, causes waste heat utilization insufficient, reduces the efficiency that the temperature risees, can not carry out multiple absorption to the flue gas and purify, leads to the direct discharge polluted air of flue gas easily, influences the equipment and carries out recycle's efficiency and practicality to the flue gas.
Disclosure of utility model
The utility model aims to provide a device for recycling flue gas waste heat of a boiler of a thermal power plant so as to solve the problems of the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a boiler flue gas waste heat recovery utilizes device of thermal power plant, including the heat exchange box, locate the water storage tank that is used for depositing water in heat exchange box one side, be used for to the heating element of flue gas waste heat recovery and be used for carrying out the filter element of purifying to the flue gas, the heating element is including locating the inlet tube that is used for leading in the flue gas in heat exchange box bottom, set up in the water conservancy diversion chamber that is used for leading in the heat exchange box inboard, locate the water conservancy diversion frame that is used for leading in the water conservancy diversion chamber inboard, set up in a plurality of smoke outlet holes of heat exchange box top circumference range, locate the play cigarette frame that is used for purifying in heat exchange box top, set up in the heating chamber that is used for heating of heat exchange box inside wall, locate the water pump at water storage tank top, locate the drinking water pipe of water pump one side, locate the delivery pipe of water delivery pipe one side, locate the water guide pipe of the delivery pipe of heating pipe other end, set up in the water storage chamber of water storage chamber inboard upper portion, set up in the water storage chamber inboard of water storage chamber, locate water storage chamber top water injection pipe of water storage pipe of holding the water storage chamber opposite side;
The water diversion frame and the heating pipe are spiral, the water suction pipe is communicated with the water storage cavity, the water diversion pipe is communicated with the heating pipe, the other end of the heating pipe is communicated with the water outlet pipe, and the water diversion frame is fixedly connected with the water diversion cavity.
Preferably, the filter component comprises two purification frames arranged on the inner side of the smoke outlet frame and used for filtering, a first filter plate arranged on the bottom of the purification frame and used for coarse filtration, an adsorption frame arranged on the top of the first filter plate and used for adsorption, an adsorption cavity arranged on the inner side of the adsorption frame and filled with activated carbon, and a second filter plate arranged on the top of the adsorption frame and used for fine filtration, and the purification frame is fixedly connected with the smoke outlet frame.
Preferably, a heat conducting cavity for heating is arranged on the inner side of the flow guiding frame, and the heat conducting cavity is spiral.
Preferably, a plurality of guide plates which are uniformly arranged are arranged on the inner side of the guide cavity.
Preferably, the heating cavity opposite side is equipped with the heat conduction ring that is used for heat conduction, heat conduction ring one side is equipped with a plurality of heat conduction rods of evenly arranging, heat conduction ring and heating pipe gomphosis, the heat conduction rod runs through the water conservancy diversion frame and is located the heat conduction cavity inboard.
Preferably, a plurality of heat conducting parts which are uniformly arranged are sleeved outside the heat conducting rod, and the heat conducting parts are annular.
Preferably, the other side of the heating cavity is provided with a heat insulation plate for insulating heat, and the heat insulation plate is annular.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, through the heat exchange box, the water storage tank, the smoke inlet pipe, the flow guide cavity, the flow guide frame, the smoke outlet hole, the smoke outlet frame, the heating cavity, the water pump, the water suction pipe, the water supply pipe, the heating pipe, the water outlet pipe, the water storage cavity, the water injection pipe and the water outlet pipe, the flow guide frame and the heating pipe are all spiral, the water suction pipe is communicated with the water storage cavity, the water guide pipe is communicated with the heating pipe, the other end of the heating pipe is communicated with the water outlet pipe, the flow guide frame is fixedly connected with the flow guide cavity, the flow guide frame and the heating pipe can prolong the flow path of smoke, the heat conduction contact area is increased, the boiler smoke enters the flow guide cavity through the smoke inlet pipe, then the flow guide frame in the flow guide cavity can guide the smoke, the smoke is increased, the water pump conducts heat to the water supply pipe through the water supply pipe, the smoke waste heat flows to the heating pipe through the flow guide cavity, the smoke waste heat is conducted to the heating pipe in the heating cavity, so that the heat in the heating pipe is heated, and then the water flows through the water guide pipe to the water storage cavity to be buffered, the water is directly supplied to the water for use, the waste heat is improved, the waste heat utilization efficiency of the equipment is improved, and the waste heat is increased.
2. According to the utility model, the purification frame, the first filter plate, the adsorption frame, the adsorption cavity and the second filter plate are fixedly connected, the two filter frames can carry out multiple filtration on smoke, the first filter plate in the filter frame can filter large-volume impurities in the smoke, the activated carbon in the adsorption cavity can adsorb and purify the smoke, the second filter plate can carry out high-precision purification and filtration on the smoke again, the smoke filtering effect is improved, and the air pollution caused by impurities contained in the smoke is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a left side cutaway perspective view of the overall structure of the present utility model;
FIG. 3 is an enlarged view of the entire structure of the present utility model at A in FIG. 2;
FIG. 4 is an enlarged view of the entire structure of the present utility model at B in FIG. 2;
fig. 5 is a left side cross-sectional perspective view of the flow guiding frame and the heat conducting cavity in the overall structure of the utility model.
In the figure: 1. a heat exchange box; 2. a water storage tank; 11. a smoke inlet pipe; 12. a diversion cavity; 13. a flow guiding frame; 14. a smoke outlet; 15. a smoke outlet frame; 16. a heating chamber; 17. a water pump; 18. a water pumping pipe; 19. a water supply pipe; 20. heating pipes; 21. a water conduit; 22. a water storage cavity; 23. a water storage cavity; 24. a water injection pipe; 25. a water outlet pipe; 26. a purification rack; 27. a first filter plate; 28. an adsorption frame; 29. an adsorption chamber; 30. a second filter plate; 31. a heat conducting cavity; 32. a deflector; 33. a heat conducting ring; 34. a heat conduction rod; 35. a heat insulating plate; 341. and a heat conduction part.
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.
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the device for recycling waste heat of boiler flue gas in a thermal power plant provided by the embodiment of the utility model comprises a heat exchange box 1, a water storage tank 2 arranged at one side of the heat exchange box 1 and used for storing water, a heating component used for recycling waste heat of flue gas and a filtering component used for purifying flue gas, wherein the heating component comprises a smoke inlet pipe 11 arranged at the bottom of the heat exchange box 1 and used for introducing flue gas, a flow guiding cavity 12 arranged at the inner side of the heat exchange box 1 and used for guiding the flue gas, a flow guiding frame 13 arranged at the inner side of the flow guiding cavity 12 and used for guiding the flue gas, a plurality of smoke outlet holes 14 arranged at the top circumference of the heat exchange box 1, a smoke outlet frame 15 arranged at the top of the heat exchange box 1 and used for purifying, a heating cavity 16 arranged at the inner side wall of the heat exchange box 1 and used for heating, a water pump 17 arranged at the top of the water storage tank 2, a water suction pipe 18 arranged at one side of the water pump 17, a water supply pipe 19 arranged at the other side of the water pump 17, a water guide pipe 21 arranged at one end of the water supply pipe 19, a water guide pipe 21 arranged at the other end of the heating pipe 20, a water storage cavity 22 arranged at the inner side of the water storage tank 2 and used for guiding the water, a water storage cavity 23 arranged at the inner side of the water storage tank 2 and the water storage cavity 25 arranged at the other side;
The guide frame 13 and the heating pipe 20 are both spiral, the water suction pipe 18 is communicated with the water storage cavity 22, the water guide pipe 21 is communicated with the heating pipe 20, the other end of the heating pipe 20 is communicated with the water outlet pipe 25, and the guide frame 13 is fixedly connected with the guide cavity 12.
Referring to fig. 3, the filtering component includes two purifying frames 26 disposed on the inner side of the smoke outlet frame 15 for filtering, a first filter plate 27 disposed on the bottom of the purifying frame 26 for coarse filtering, an adsorption frame 28 disposed on the top of the first filter plate 27 for adsorption, an adsorption cavity 29 disposed on the inner side of the adsorption frame 28 and filled with activated carbon, and a second filter plate 30 disposed on the top of the adsorption frame 28 for fine filtering, wherein the purifying frame 26 is fixedly connected with the smoke outlet frame 15.
The scheme is adopted: through purifying frame 26, first filter 27, adsorption frame 28, adsorb chamber 29 and second filter 30, purifying frame 26 and play cigarette frame 15 fixed connection, two filter the frame and can carry out multiple filtration to the flue gas, first filter 27 in the filter frame can filter the impurity that the volume is big in the flue gas, the activated carbon in the adsorption chamber 29 can adsorb the purification to the flue gas, second filter 30 can carry out high accuracy purification filtration to the flue gas again, improve flue gas filterable effect, avoid containing impurity in the flue gas and cause the pollution to the air.
Referring to fig. 5, a heat conducting cavity 31 for heating is provided inside the air guiding frame 13, and the heat conducting cavity 31 is spiral.
The scheme is adopted: through the heat conduction cavity 31, the heat conduction cavity 31 is spiral, and the heat conduction efficiency of the heat to the heating cavity 16 through the flow guide frame 13 can be improved.
Referring to fig. 4, a plurality of baffles 32 are uniformly arranged inside the baffle cavity 12.
The scheme is adopted: through the guide plate 32, the flue gas in the guide cavity 12 can be blocked, the flue gas flow path is prolonged, and the heat recovery utilization rate is improved.
Referring to fig. 4, a heat conducting ring 33 for conducting heat is disposed on the other side of the heating chamber 16, a plurality of heat conducting rods 34 are disposed on one side of the heat conducting ring 33 and are uniformly arranged, the heat conducting ring 33 is embedded with the heating tube 20, and the heat conducting rods 34 penetrate through the flow guiding frame 13 and are located on the inner side of the heat conducting chamber 31.
The scheme is adopted: through heat conduction ring 33 and heat conduction rod 34, heat conduction ring 33 and heating pipe 20 gomphosis, heat conduction rod 34 runs through water conservancy diversion frame 13 and is located heat conduction cavity 31 inboard, and heat conduction ring 33 can increase heat and heating pipe 20 area of contact, and heat conduction rod 34 can be to heat in the heat conduction cavity 31 to heat conduction ring 33 transfer, improves the efficiency that the flue gas waste heat carries out heat conduction to heat conduction ring 33 through heat conduction cavity 31.
Referring to fig. 4, a plurality of heat conducting portions 341 are uniformly arranged on the outer side of the heat conducting rod 34, and the heat conducting portions 341 are annular.
The scheme is adopted: by the heat conduction portion 341, the plurality of heat conduction portions 341 can increase the heat contact area between the heat conduction rod 34 and the heat conduction cavity 31, and the heat conduction efficiency of the heat conduction rod 34 to the heat conduction ring 33 can be improved.
Referring to fig. 4, a heat insulation plate 35 for insulating heat is provided at the other side of the heating chamber 16, and the heat insulation plate 35 is ring-shaped.
The scheme is adopted: through heat insulating board 35, heat insulating board 35 is cyclic annular, can keep apart the heat in the heating chamber 16 and outwards lead to the fact extravagant through heat exchange box 1, avoid the heat to outwards lead to the fact.
The working principle of the utility model is as follows:
Firstly, the water pump 17 is started, water in the water storage cavity 22 flows to the water supply pipe 19 through the water suction pipe 18, then water in the water supply pipe 19 flows to the heating pipe 20, then flue gas enters the diversion cavity 12 through the smoke inlet pipe 11, then the diversion frame 13 in the diversion cavity 12 is used for diversion of the flue gas, meanwhile, the plurality of diversion plates 32 are used for diversion of the flue gas in the diversion cavity 12, the flue gas flow path is prolonged, then waste heat of the flue gas conducts heat to the heating pipe 20 in the heating cavity 16 through the diversion cavity 12, at the moment, the heat of the flue gas flows to the diversion cavity 12 through the diversion frame 13, then the heat in the diversion cavity 12 conducts heat to the heat conducting ring 33 through the heat conducting rod 34, then the heat conducting ring 33 is used for heating the water in the heating pipe 20 so as to be convenient for directly supplying hot water through the water outlet pipe 25, then the water flows to the water storage cavity 23 through the diversion pipe 21, then the flue gas is subjected to multiple filtration through the two filtration frames, at the moment, the first filtration plate 27 in the filtration frame filters large-volume impurities in the flue gas, then the activated carbon in the adsorption cavity 29 is used for adsorption of the flue gas, at the same time, at the second filtration plate 30 is used for conducting high smoke gas purification, and the flue gas is conducted out after the filtration frame 15 again.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a boiler flue gas waste heat recovery utilizes device of thermal power plant, includes heat exchange box (1), locates heat exchange box (1) one side and is used for depositing water storage tank (2), is used for the heating element to flue gas waste heat recovery and is used for carrying out the filter element who purifies flue gas, its characterized in that: the heating component comprises a smoke inlet pipe (11) arranged at the bottom of the heat exchange box (1) and used for guiding smoke, a flow guide cavity (12) arranged at the inner side of the heat exchange box (1) and used for guiding smoke, a flow guide frame (13) arranged at the inner side of the flow guide cavity (12) and used for guiding smoke, a plurality of smoke outlet holes (14) circumferentially arranged at the top of the heat exchange box (1), a smoke outlet frame (15) arranged at the top of the heat exchange box (1) and used for purifying, a heating cavity (16) arranged at the inner side wall of the heat exchange box (1) and used for heating, a water pump (17) arranged at the top of the water storage box (2), a water suction pipe (18) arranged at one side of the water pump (17), a water supply pipe (19) arranged at the other side of the water pump (17), a heating pipe (20) arranged at one end of the water supply pipe (19), a water guide pipe (21) arranged at the other end of the heating pipe (20), a water storage cavity (22) arranged at the upper part in the inner side of the water storage box (2), a water storage cavity (23) arranged at the lower part in the inner side of the water storage box (2), a water storage cavity (24) arranged at the top of the heat exchange box (22) and a water injection pipe (25) arranged at the other side of the water storage cavity (23).
The water guide frame (13) and the heating pipe (20) are spiral, the water suction pipe (18) is communicated with the water storage cavity (22), the water guide pipe (21) is communicated with the heating pipe (20), the other end of the heating pipe (20) is communicated with the water outlet pipe (25), and the water guide frame (13) is fixedly connected with the water guide cavity (12).
2. The device for recycling flue gas waste heat of a boiler of a thermal power plant according to claim 1, wherein: the filter component comprises two purifying frames (26) which are arranged on the inner side of the smoke outlet frame (15) and used for filtering, a first filter plate (27) which is arranged on the bottom of the purifying frame (26) and used for coarse filtering, an adsorption frame (28) which is arranged on the top of the first filter plate (27) and used for adsorbing, an adsorption cavity (29) which is arranged on the inner side of the adsorption frame (28) and filled with active carbon, and a second filter plate (30) which is arranged on the top of the adsorption frame (28) and used for fine filtering, wherein the purifying frame (26) is fixedly connected with the smoke outlet frame (15).
3. The device for recycling flue gas waste heat of a boiler of a thermal power plant according to claim 1, wherein: the inner side of the flow guide frame (13) is provided with a heat conducting cavity (31) for heating, and the heat conducting cavity (31) is spiral.
4. The device for recycling flue gas waste heat of a boiler of a thermal power plant according to claim 1, wherein: a plurality of guide plates (32) which are uniformly arranged are arranged on the inner side of the guide cavity (12).
5. The device for recycling flue gas waste heat of a boiler of a thermal power plant according to claim 1, wherein: the heating cavity (16) opposite side is equipped with the heat conduction ring (33) that are used for heat conduction, heat conduction ring (33) one side is equipped with a plurality of heat conduction poles (34) of evenly arranging, heat conduction ring (33) gomphosis with heating pipe (20), heat conduction pole (34) run through water conservancy diversion frame (13) and are located heat conduction cavity (31) inboard.
6. The device for recycling flue gas waste heat of a boiler of a thermal power plant according to claim 5, wherein: the outer side of the heat conducting rod (34) is sleeved with a plurality of heat conducting parts (341) which are uniformly arranged, and the heat conducting parts (341) are annular.
7. The device for recycling flue gas waste heat of a boiler of a thermal power plant according to claim 1, wherein: the other side of the heating cavity (16) is provided with a heat insulation plate (35) for insulating heat, and the heat insulation plate (35) is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323386883.8U CN221593620U (en) | 2023-12-12 | 2023-12-12 | Boiler flue gas waste heat recovery and utilization device of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323386883.8U CN221593620U (en) | 2023-12-12 | 2023-12-12 | Boiler flue gas waste heat recovery and utilization device of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221593620U true CN221593620U (en) | 2024-08-23 |
Family
ID=92413048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323386883.8U Active CN221593620U (en) | 2023-12-12 | 2023-12-12 | Boiler flue gas waste heat recovery and utilization device of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221593620U (en) |
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2023
- 2023-12-12 CN CN202323386883.8U patent/CN221593620U/en active Active
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