CN220038517U - Waste heat recovery device for fuel cell power plant - Google Patents
Waste heat recovery device for fuel cell power plant Download PDFInfo
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- CN220038517U CN220038517U CN202321509948.0U CN202321509948U CN220038517U CN 220038517 U CN220038517 U CN 220038517U CN 202321509948 U CN202321509948 U CN 202321509948U CN 220038517 U CN220038517 U CN 220038517U
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- Prior art keywords
- heat
- fixedly connected
- filter cartridge
- heat preservation
- filter
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- 238000011084 recovery Methods 0.000 title claims abstract description 73
- 239000002918 waste heat Substances 0.000 title claims abstract description 30
- 239000000446 fuel Substances 0.000 title claims abstract description 9
- 238000004321 preservation Methods 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 39
- 239000003546 flue gas Substances 0.000 abstract description 39
- 239000000428 dust Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000002737 fuel gas Substances 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a waste heat recovery device of a fuel cell power plant, and relates to the technical field of waste heat recovery treatment. The utility model comprises a heat preservation recovery box, wherein a filter cartridge is fixedly penetrated at the bottom of the heat preservation recovery box, a collecting cylinder is screwed at the lower end of the filter cartridge, an air inlet pipe is fixedly connected to the filter cartridge above the collecting cylinder, a filter screen is fixedly connected to the inside of the filter cartridge, and a servo motor is fixedly arranged at the top of the heat preservation recovery box. According to the utility model, heat dissipation in the flue gas filtering process can be reduced through the filter cartridge, the heat exchange efficiency of the flue gas and water can be improved through the arranged spiral heat exchange tubes and the heat conducting fins, the heat exchange path of the flue gas and water can be prolonged, the heat in the flue gas can be more fully recovered, the rotating shaft and the brush holder are driven to rotate through the driving servo motor, the brush hair can be driven to clean the filter screen, the filter screen is prevented from being blocked too fast, and dust and impurities in the flue gas can be collected intensively through the collecting cylinder.
Description
Technical Field
The utility model belongs to the technical field of waste heat recovery treatment, and particularly relates to a waste heat recovery device for a fuel gas power plant.
Background
When the industrial production is carried out in the gas turbine power plant, a large amount of flue gas can be discharged, a large amount of dust and impurities are contained in the flue gas, the temperature of the flue gas is high, the environment can be polluted by directly discharging the flue gas, and meanwhile, the waste of resources can be caused by directly discharging the heat carried in the flue gas. Through retrieving, the patent of application number 202122766673.6 discloses a waste heat recovery device of gas turbine power plant, including the waste heat recovery case, waste heat recovery case bottom is connected with the dust and retrieves the cover, be equipped with the division board in the waste heat recovery case, the division board is with waste heat recovery case divide into the recovery chamber of upper strata and the filter chamber of lower floor, every waste heat recovery case bottom plate of clearance board bottom is last to have all offered the clearance hole, the bottom and the dust recovery cover intercommunication of clearance hole, connect the telescopic link on the cylinder, the top of telescopic link is connected with the baffle, the baffle sets up the below of clearance hole, the baffle is with the bottom plate bottom looks butt of waste heat recovery case, be equipped with the waste heat recovery section of thick bamboo in the recovery chamber.
However, in the practical use process, the applicant finds that when the filtered flue gas is subjected to heat exchange with water through the recovery inner barrel, the recovery inner barrel is a straight barrel, and the path is shorter, so that the flue gas is discharged from the air outlet pipeline after passing through the recovery inner barrel quickly, and the recovery of the flue gas waste heat cannot be fully realized.
Disclosure of Invention
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a waste heat recovery device of a fuel cell electric power plant, which comprises a heat preservation recovery box, wherein a filter cartridge is fixedly penetrated at the bottom of the heat preservation recovery box, a collecting cylinder is screwed at the lower end of the filter cartridge, an air inlet pipe is fixedly connected to the filter cartridge above the collecting cylinder, a filter screen is fixedly connected to the inside of the filter cartridge, a servo motor is fixedly arranged at the top of the heat preservation recovery box, a rotating shaft is fixedly connected to the rotating end of the servo motor, the lower end of the rotating shaft penetrates through the filter screen and is fixedly connected with a brush holder, bristles are fixedly connected to the top of the brush holder, a spiral heat exchange tube is fixedly arranged in the heat preservation recovery box above the filter cartridge, a heat conducting fin is fixedly connected to the spiral heat exchange tube, the lower end of the spiral heat exchange tube is communicated with the inside of the filter cartridge through a connecting bent pipe, the upper end of the spiral heat exchange tube is fixedly connected with an air outlet pipe penetrating through the upper part of the heat preservation recovery box, a water inlet pipe is fixedly penetrated at one side of the heat preservation recovery box, and a water outlet pipe is fixedly penetrated on the heat preservation recovery box far from the side of the heat exchange tube.
Preferably, a sleeve is vertically and fixedly connected between the top of the filter cartridge and the top of the inner side of the heat preservation recovery box.
Preferably, the lower end of the rotating shaft penetrates through the sleeve and extends into the filter cartridge, and the air inlet end of the connecting bent pipe is positioned above the filter screen.
Preferably, the brush hair is contacted with the filtering end surface at the bottom of the filter screen, and the brush hair rotates along the bottom of the filter screen.
Preferably, the inside of cartridge filter communicates with the inside of a collection section of thick bamboo, the intake pipe is located the below of heat preservation collection box.
Preferably, the heat-conducting fins on the spiral heat exchange tube are arranged in parallel, the tops of the four heat-conducting fins are fixedly connected with the top of the inner side of the heat-insulating recovery box, and gaps are reserved between the front ends and the rear ends of the four heat-conducting fins and the inner wall of the heat-insulating recovery box.
The utility model has the following beneficial effects:
according to the waste heat recovery device for the fuel gas electric power plant, the upper part of the filter cylinder is arranged in the heat preservation recovery box, so that part of heat exchange between the flue gas and water in the heat preservation recovery box can be realized in the filtering process of the filter cylinder, heat dissipation in the flue gas filtering process is reduced, the heat exchange efficiency of the flue gas and the water can be improved through the arranged spiral heat exchange pipes and the heat conducting fins, the heat exchange path of the flue gas and the water can be prolonged, the heat in the flue gas can be more fully recovered, the rotating shaft and the brush holder are driven to rotate through the driving servo motor, the brush hair can be driven to clean the filter screen, the too fast blockage of the filter screen is avoided, and dust and impurities in the flue gas can be collected intensively through the collecting cylinder.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the external structure of a waste heat recovery device of a fuel cell power plant according to the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a waste heat recovery device of a fuel cell power plant according to the present utility model;
fig. 3 is an enlarged view of the structure a in fig. 2 of a waste heat recovery device for a fuel cell power plant according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a heat preservation recovery box; 2. an air inlet pipe; 3. a collection cylinder; 4. a filter cartridge; 5. a water outlet pipe; 6. a water inlet pipe; 7. a servo motor; 8. an air outlet pipe; 9. a spiral heat exchange tube; 10. a heat conduction fin; 11. a connecting bent pipe; 12. a sleeve; 13. a rotating shaft; 14. a filter screen; 15. a brush holder; 16. and (3) brushing.
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.
Referring to fig. 1-3, the present utility model provides a technical solution:
embodiment one: the waste heat recovery device for the fuel gas electric power plant comprises a heat preservation recovery box 1, wherein a filter cartridge 4 is fixedly penetrated at the bottom of the heat preservation recovery box 1, a collecting cylinder 3 is screwed at the lower end of the filter cartridge 4, the inside of the filter cartridge 4 is communicated with the inside of the collecting cylinder 3, an air inlet pipe 2 is fixedly connected to the filter cartridge 4 above the collecting cylinder 3, the air inlet pipe 2 is positioned below the heat preservation recovery box 1, a filter screen 14 is fixedly connected to the inside of the filter cartridge 4, a spiral heat exchange tube 9 is fixedly arranged in the heat preservation recovery box 1 above the filter cartridge 4, the spiral heat exchange tube 9 is arranged for increasing the flow path of flue gas, so that waste heat in the flue gas can be fully recovered, a heat conducting fin 10 is fixedly connected to the spiral heat exchange tube 9, four heat conducting fins 10 are arranged side by side, the tops of the four heat conducting fins 10 are fixedly connected with the top of the inner side of the heat preservation recovery box 1, the heat conduction fins 10 are used for increasing the heat conduction area of the spiral heat exchange tube 9 and accelerating the heat exchange efficiency, gaps are reserved between the front end and the rear end of the four heat conduction fins 10 and the inner wall of the heat preservation recovery box 1, the gaps enable water in the heat preservation recovery box 1 to flow up and down better, the lower end of the spiral heat exchange tube 9 is communicated with the inside of the filter cartridge 4 through the connecting bent tube 11, the upper end of the spiral heat exchange tube 9 is fixedly connected with the air outlet tube 8 which penetrates through the upper part of the heat preservation recovery box 1, one side, far away from the air outlet tube 8, of the heat preservation recovery box 1 is fixedly penetrated with the water inlet tube 6, the heat preservation recovery box 1 below the water inlet tube 6 is fixedly penetrated with the water outlet tube 5, valves are sleeved on the water outlet tube 5 and the water inlet tube 6, and when waste heat in flue gas generated by a fuel gas electric plant is recovered, the flue gas can be led into the filter cartridge 4 through the air inlet tube 2, the flue gas that gets into in the cartridge filter 4 can get into spiral heat exchange tube 9 through connecting return bend 11 after filtering through filter screen 14 to finally discharge through outlet duct 8, at this in-process, the flue gas can take place some heat exchange with cartridge filter 4, and conduct to the inside aquatic of heat preservation recovery tank 1 through cartridge filter 4, heat the water, the flue gas after filtering can take place more abundant heat exchange through spiral heat exchange tube 9 and the inside aquatic of heat preservation recovery tank 1, heat conduction fin 10 can also be increased by the area of contact of spiral heat exchange tube 9 and water, further improve the heat exchange with the aquatic, make the heat in the flue gas can more abundant be retrieved, the inside aquatic accessible inlet tube 6 of heat preservation recovery tank 1 pours into in the heat preservation recovery tank 1, the accessible outlet pipe 5 of the water after the heating is discharged.
Embodiment two: the difference between this embodiment and the first embodiment lies in that, wherein, servo motor 7 is fixedly installed at the top of heat preservation collection box 1, servo motor 7's rotation end fixedly connected with pivot 13, pivot 13's lower extreme is passed filter screen 14 and fixedly connected with brush holder 15, brush holder 15's top fixedly connected with brush hair 16, vertical fixedly connected with sleeve 12 between the top of cartridge filter 4 and the inside top of heat preservation collection box 1, the lower extreme of pivot 13 runs through sleeve 12 and extends to cartridge filter 4, connect the air inlet of return bend 11 and lie in the top of filter screen 14, brush hair 16 contacts with the filtration terminal surface of filter screen 14 bottom, and brush hair 16 rotates along the bottom of filter screen 14, in the in-process of filtering the flue gas, drive pivot 13 through servo motor 7 and rotate, can drive brush holder 15 through pivot 13 and rotate, brush hair 16 rotates along the filter terminal surface of filter screen 14 bottom, sweep filter screen 14, and then can avoid 14 to block, and realize the smooth filtration to the flue gas, in this process, dust in the flue gas and impurity can drop into collection cylinder 3 downwards, collect in a period of time, collect the dust and the dust of collecting cylinder 4 is concentrated to the dust from the lower end of the collection cylinder.
Working principle: when waste heat in flue gas generated by a fuel gas electric power plant is recovered, the flue gas can be led into the filter cartridge 4 through the air inlet pipe 2, the flue gas entering the filter cartridge 4 can enter the spiral heat exchange pipe 9 through the connecting bent pipe 11 after being filtered by the filter screen 14 and finally is discharged through the air outlet pipe 8, in the process, the flue gas can exchange part of heat with the filter cartridge 4 and is conducted into water in the heat preservation recovery box 1 through the filter cartridge 4 to heat the water, the filtered flue gas can exchange heat with the water in the heat preservation recovery box 1 more fully through the spiral heat exchange pipe 9, the contact area between the heat conduction fins 10 and the water can be increased, the heat exchange with the water is further improved, the heat in the flue gas can be recovered more fully, the inside water of heat preservation collection box 1 accessible inlet tube 6 pours into in the heat preservation collection box 1, the water accessible outlet pipe 5 after the heating is discharged, at the in-process that filters the flue gas, drive pivot 13 through servo motor 7 and rotate, can drive brush yoke 15 through pivot 13 and rotate, brush yoke 15 rotates and can drive brush hair 16 and rotate along the filter end face of filter screen 14 bottom, please sweep filter screen 14, and then can avoid filter screen 14 to filter smoothly to the flue gas, in this process, dust and impurity in the flue gas can fall into in the collection cylinder 3 downwards, after a period, rotate down the collection cylinder 3 from the lower extreme of cartridge filter 4, can carry out centralized processing to dust and impurity that collects.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification of the technical solutions described in the foregoing embodiments, and equivalent substitution of some technical features thereof, falls within the scope of the present utility model.
Claims (6)
1. The utility model provides a waste heat recovery device of gas turbine power plant, includes heat preservation collection box (1), its characterized in that: the bottom of the heat preservation recovery box (1) is fixedly penetrated by a filter cartridge (4), the lower end of the filter cartridge (4) is screwed with a collecting cylinder (3), a filter tube (2) is fixedly connected to the filter cartridge (4) above the collecting cylinder (3), a filter screen (14) is fixedly connected to the inside of the filter cartridge (4), a servo motor (7) is fixedly arranged at the top of the heat preservation recovery box (1), a rotating end of the servo motor (7) is fixedly connected with a rotating shaft (13), the lower end of the rotating shaft (13) penetrates through the filter screen (14) and is fixedly connected with a brush holder (15), a brush hair (16) is fixedly connected to the top of the brush holder (15), a spiral heat exchange tube (9) is fixedly arranged in the heat preservation recovery box (1) above the filter cartridge (4), a heat conducting fin (10) is fixedly connected to the spiral heat exchange tube (9), the lower end of the spiral heat exchange tube (9) is communicated with the inside of the filter cartridge (4) through a connecting elbow (11), the upper end of the spiral heat exchange tube (9) is fixedly connected with the upper air outlet tube (1) and is fixedly connected with the heat exchange tube (8) through the upper air outlet tube (8) and is fixedly connected with the heat exchange tube (8), and a water outlet pipe (5) is fixedly penetrated on the heat preservation recovery box (1) below the water inlet pipe (6).
2. The waste heat recovery device of a fuel cell power plant according to claim 1, wherein a sleeve (12) is vertically and fixedly connected between the top of the filter cartridge (4) and the top of the inner side of the heat preservation recovery box (1).
3. A waste heat recovery device for a gas turbine power plant according to claim 2, characterized in that the lower end of the rotating shaft (13) penetrates the sleeve (12) and extends into the filter cartridge (4), and the air inlet end of the connecting elbow (11) is located above the filter screen (14).
4. A waste heat recovery device for a gas turbine power plant according to claim 3, wherein the bristles (16) are in contact with the filtering end surface of the bottom of the filter net (14), and the bristles (16) are rotated along the bottom of the filter net (14).
5. The waste heat recovery device of a fuel cell power plant according to claim 1, wherein the inside of the filter cartridge (4) is communicated with the inside of the collection cartridge (3), and the air inlet pipe (2) is located below the heat preservation recovery box (1).
6. The waste heat recovery device of a gas turbine power plant according to claim 1, wherein four heat conducting fins (10) on the spiral heat exchange tube (9) are arranged side by side, the tops of the four heat conducting fins (10) are fixedly connected with the top of the inner side of the heat preservation recovery box (1), and gaps are reserved between the front end and the rear end of the four heat conducting fins (10) and the inner wall of the heat preservation recovery box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321509948.0U CN220038517U (en) | 2023-06-14 | 2023-06-14 | Waste heat recovery device for fuel cell power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321509948.0U CN220038517U (en) | 2023-06-14 | 2023-06-14 | Waste heat recovery device for fuel cell power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220038517U true CN220038517U (en) | 2023-11-17 |
Family
ID=88737993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321509948.0U Active CN220038517U (en) | 2023-06-14 | 2023-06-14 | Waste heat recovery device for fuel cell power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220038517U (en) |
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2023
- 2023-06-14 CN CN202321509948.0U patent/CN220038517U/en active Active
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