CN220793175U - Air preheater of thermal power generating unit - Google Patents
Air preheater of thermal power generating unit Download PDFInfo
- Publication number
- CN220793175U CN220793175U CN202322211799.6U CN202322211799U CN220793175U CN 220793175 U CN220793175 U CN 220793175U CN 202322211799 U CN202322211799 U CN 202322211799U CN 220793175 U CN220793175 U CN 220793175U
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- China
- Prior art keywords
- thermal power
- flue gas
- wall
- air
- ring
- Prior art date
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000003546 flue gas Substances 0.000 claims abstract description 59
- 239000000779 smoke Substances 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 238000000746 purification Methods 0.000 claims description 11
- 230000008093 supporting effect Effects 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000010405 clearance mechanism Effects 0.000 abstract description 6
- 239000013618 particulate matter Substances 0.000 abstract description 6
- 239000002245 particle Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000010248 power generation Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses an air preheater of a thermal power generating unit, which relates to the technical field of air preheaters and comprises a driving ring, wherein a first smoke discharge pipe is rotationally connected to the inner wall of the driving ring, a second smoke discharge pipe is rotationally connected to the inner wall of the driving ring, a cleaning mechanism is arranged in the second smoke discharge pipe, the cleaning mechanism comprises a driving block and a cleaning ring, and a first group of connecting rods are fixedly connected to the outer surface of the driving block. It can be through driving the cooperation setting between ring, flue gas exhaust pipe one, flue gas exhaust pipe two and the clearance mechanism, can make to clear up it when the particulate matter that the inner wall of flue gas exhaust pipe two adhered is more to effectually avoided because can not clear up the condition that the flue gas emission that leads to that the particulate matter that the pipeline inner wall adhered was influenced, and avoided the condition that the heat transfer efficiency of pipeline reduces because the particulate matter that the inner wall of pipeline adhered is more leads to.
Description
Technical Field
The utility model relates to the technical field of air preheaters, in particular to an air preheater of a thermal power generating unit.
Background
The thermal power generation is a main power generation mode in China, mainly depends on the combustion of combustible materials to finish power generation, and in order to improve the combustion efficiency, air pre-heating treatment is usually needed to be carried out on air before entering a boiler by using an air pre-heater, namely a heating surface for pre-heating the air before entering the boiler to a certain temperature by flue gas in a tail flue of the boiler through internal cooling fins, the thermal power generation device is equipment for improving the heat exchange performance of the boiler and reducing the energy consumption, and the air pre-heater is generally divided into three types of plate type, rotary type and tubular type, wherein the rotary type can be used for recycling the flue gas to preheat the air.
According to the thermal power generating unit air preheater disclosed in the patent with the patent number of CN217875926U, the device comprises a box body, the front side of the box body is symmetrically hinged with a first box door, the upper side and the lower side of an inner cavity of the box body are symmetrically provided with mounting plates, one side corresponding to the two mounting plates is provided with a heat conducting mechanism, the left side of the box body is sequentially provided with a smoke inlet pipe, an air inlet pipe and a smoke outlet pipe from top to bottom, a cavity between the top of the upper mounting plate and the box body is communicated with the smoke inlet pipe, a cavity between the bottom of the lower mounting plate and the box body is communicated with the smoke outlet pipe, and the right side of the box body is provided with a smoke guiding mechanism and an exhaust pipe.
The air preheater mainly realizes the preheating treatment of air by means of the heat of the flue gas, the flue gas emission pipeline passes through the air preheating box, and the air in the air preheating box is preheated by utilizing the heat emitted by the flue gas passing through the pipeline, but the device can not clean the inner wall of the pipeline when in use, however, in the long-time flue gas emission process, the particles contained in the flue gas can be adhered to the inner wall of the pipeline, if the particles adhered to the inner wall of the flue gas can not be cleaned, the emission of the flue gas can be influenced, the heat transfer efficiency of the pipeline can be reduced, and the preheating effect of the air is poor, so that the device is not worth popularizing and using by people; therefore, the air preheater of the thermal power generating unit solves the problems.
Disclosure of Invention
The utility model aims to make up the defects of the prior art and provides an air preheater of a thermal power unit.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air preheater of thermal power generating unit, includes the drive ring, the inner wall rotation of drive ring is connected with flue gas discharge pipe one, the inner wall rotation of drive ring is connected with flue gas discharge pipe two, flue gas discharge pipe two's inside is provided with clearance mechanism, clearance mechanism includes drive block and clearance ring, the surface fixedly connected with of drive block a set of connecting rod one, every the equal fixedly connected with of connecting rod in the inner wall of drive ring, the surface fixedly connected with threaded rod of drive block, the surface threaded connection of threaded rod has the screw thread piece, the surface of clearance ring contacts with flue gas discharge pipe two's inner wall, the surface fixedly connected with symmetrical stopper of clearance ring two stopper equal sliding connection is in flue gas discharge pipe two's inner wall, the surface fixedly connected with of screw thread piece is a set of connecting rod two, every the equal fixedly connected with of connecting rod is in clearance ring's inner wall, flue gas discharge pipe one's surface fixedly connected with gear one, the below of drive ring is provided with the backup pad.
Further, the outer surface intercommunication of flue gas exhaust pipe one has the thermal power unit body, the outer surface intercommunication of flue gas exhaust pipe two has the flue gas purification tower body, the inner wall of thermal power unit body fixed connection in the backup pad, flue gas purification tower body fixed connection is in the inner wall of backup pad.
Further, the outside of driving ring is provided with the air preheating box, air preheating box fixed connection is in the surface of thermal power generating unit body, air preheating box fixed connection is in the surface of flue gas purification tower body.
Further, a servo motor is installed on the inner top wall of the air preheating box body, the output end of the servo motor is fixedly connected with a gear II, and the gear II is meshed with the gear I.
Further, the upper surface intercommunication of air preheating box has the air injection pipe, the below of air preheating box is provided with the base.
Further, the upper surface fixedly connected with four supporting legs of base, every supporting leg all fixed connection is in the bottom surface of backup pad.
Further, the upper surface of base installs the aspiration pump body, the aspiration pump body passes through the screw to be installed in the upper surface of base.
Compared with the prior art, the air preheater of the thermal power generating unit has the following beneficial effects:
1. according to the utility model, through the cooperation arrangement among the driving ring, the first smoke discharge pipe, the second smoke discharge pipe and the cleaning mechanism, the second smoke discharge pipe can be cleaned when the particles adhered to the inner wall of the second smoke discharge pipe are more, so that the condition that the smoke discharge is influenced due to the fact that the particles adhered to the inner wall of the pipeline cannot be cleaned is effectively avoided, the condition that the heat transfer efficiency of the pipeline is reduced due to the fact that the particles adhered to the inner wall of the pipeline are more is avoided, the preheating effect on air is further ensured, and the device is worthy of popularization and use by people.
2. According to the utility model, through the matching arrangement among the first gear, the driving ring, the driving block, the thread block, the second connecting rod and the cleaning ring, people can conveniently clean the inner wall of the second flue gas discharge pipe, the driving ring can be driven to rotate through the rotation of the first gear, the driving block can be driven to rotate along with the rotation of the driving ring, the threaded rod can be driven to rotate along with the rotation of the driving block, the thread block is driven to move, the cleaning ring can be driven to move along with the movement of the thread block under the connection effect of the second connecting rod, and then the cleaning of particles adhered to the inner wall of the second flue gas discharge pipe is realized, so that the flue gas discharge pipe is convenient for people to use.
Drawings
FIG. 1 is a schematic elevation view of a three-dimensional structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of the present utility model;
FIG. 3 is a schematic view of a split structure of the cleaning mechanism of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure: 1. a drive ring; 2. a first flue gas discharge pipe; 3. a second flue gas discharge pipe; 4. a cleaning mechanism; 401. a driving block; 402. a first connecting rod; 403. a threaded rod; 404. a screw block; 405. cleaning the ring; 406. a limiting block; 407. a second connecting rod; 5. a first gear; 6. a thermal power generating unit body; 7. a flue gas purifying tower body; 8. an air preheating box body; 9. a servo motor; 10. a second gear; 11. an air injection pipe; 12. a base; 13. a support plate; 14. support legs; 15. an air pump body.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
The embodiment provides an air preheater of thermal power generating unit, the device sets up through the cooperation between drive ring 1, flue gas exhaust pipe one 2, flue gas exhaust pipe two 3 and clearance mechanism 4, can make to clear up it when the particulate matter that the inner wall of flue gas exhaust pipe two 3 adhered is more, thereby effectually avoided because can not clear up the condition that the flue gas emission that leads to that the particulate matter that the pipeline inner wall adhered is influenced, and avoided the condition that the heat transfer efficiency of pipeline reduces because the particulate matter that the inner wall of pipeline adhered is more leads to, further guaranteed the preheating effect to the air, be worth people to popularize and use.
Example 1:
referring to fig. 1-4, the air preheater of the thermal power generating unit comprises a driving ring 1, wherein the inner wall of the driving ring 1 is rotationally connected with a first smoke discharge pipe 2, the driving ring 1 can rotate on the outer surface of the first smoke discharge pipe 2, the inner wall of the driving ring 1 is rotationally connected with a second smoke discharge pipe 3, the driving ring 1 can rotate on the outer surface of the second smoke discharge pipe 3, and the length of the second smoke discharge pipe 3 is far longer than that of the first smoke discharge pipe 2.
The inside of flue gas emission pipe two 3 is provided with clearance mechanism 4, and clearance mechanism 4 includes drive block 401 and clearance ring 405, and the surface mounting of drive block 401 has a set of connecting rod one 402, can drive the rotation of drive block 401 through the rotation of connecting rod one 402, and every connecting rod one 402 all fixed connection is in the inner wall of drive ring 1, can make along with the rotation of drive ring 1 can drive the rotation of drive block 401 through the connection effect of connecting rod one 402.
The external surface fixedly connected with threaded rod 403 of drive piece 401 can drive the rotation of threaded rod 403 through the rotation of drive piece 401, and the external surface threaded connection of threaded rod 403 has screw thread piece 404, along with the rotation of threaded rod 403 can drive the removal of screw thread piece 404, and the surface of clearance ring 405 contacts with the inner wall of flue gas exhaust pipe two 3, along with the removal of clearance ring 405 can realize the clearance to the granule that flue gas exhaust pipe two 3 inner wall adhered.
The surface fixedly connected with symmetrical stopper 406 of clearance ring 405, two equal sliding connection of stopper 406 are in the inner wall of flue gas exhaust pipe two 3, and the reservation spout has been seted up to the inner wall of flue gas exhaust pipe two 3, and stopper 406 is through this reservation spout sliding connection in the inner wall of flue gas exhaust pipe two 3, through the cooperation restriction of stopper 406 and this reservation groove for clearance ring 405 can not take place to rotate only can remove.
The surface fixedly connected with a set of connecting rod two 407 of screw thread piece 404, every connecting rod two 407 all fixed connection is in the inner wall of clearance ring 405, and the surface fixedly connected with gear one 5 of flue gas discharge pipe one 2 is provided with backup pad 13 in the below of driving ring 1, through the linking effect of connecting rod two 407, can make along with the removal of screw thread piece 404 can drive the removal of clearance ring 405.
The surface intercommunication of flue gas discharge pipe one 2 has thermal power unit body 6, thermal power unit body 6 belongs to prior art, and do not further prescribe a limit to the model of thermal power unit body 6 in this application, because thermal power unit body 6 does not belong to the main innovation direction of this application, therefore no longer show the concrete details of thermal power unit body 6 in the attached drawings, the surface intercommunication of flue gas discharge pipe two 3 has flue gas purification tower body 7, thermal power unit body 6 fixed connection is in the inner wall of backup pad 13, flue gas purification tower body 7 belongs to prior art, and do not further prescribe a limit to the model of flue gas purification tower body 7 in this application, because flue gas purification tower body 7 does not belong to the main innovation direction of this application, no longer show the concrete details of flue gas purification tower body 7 in the attached drawings.
Example 2:
according to the embodiment, referring to fig. 1-2, the air preheating box 8 is arranged outside the driving ring 1, the air preheating box 8 is fixedly connected to the outer surface of the thermal power generating unit body 6, the air preheating box 8 is fixedly connected to the outer surface of the flue gas purifying tower body 7, the sealing performance of the joint between the air preheating box 8 and the thermal power generating unit body 6 and the flue gas purifying tower body 7 is good, the collecting tank is arranged inside the flue gas purifying tower body 7, the control door is arranged on the outer surface of the flue gas purifying tower body 7, the particles adhered to the inner wall of the second flue gas discharging pipe 3 can fall into the collecting tank inside the flue gas purifying tower body 7 under the cleaning of the cleaning ring 405, and the particles in the collecting tank can be cleaned by opening the control door.
The servo motor 9 is installed to the interior roof of air preheating box 8, and servo motor 9's output fixedly connected with gear two 10, gear two 10 and gear one 5 mesh mutually, and servo motor 9 belongs to prior art, and does not do further injecing to servo motor 9's model in this application, can drive the rotation of gear two 10 through starting servo motor 9, and servo motor 9 passes through the screw mounting in the interior roof of air preheating box 8.
The upper surface intercommunication of air preheating box 8 has air injection pipe 11, and the below of air preheating box 8 is provided with base 12, and air is injected into air preheating box 8 through air injection pipe 11 under the effect of outside air pump.
Example 3:
the upper surface of the base 12 is fixedly connected with four supporting legs 14, and each supporting leg 14 is fixedly connected to the bottom surface of the supporting plate 13, so that the supporting effect on the supporting plate 13 can be realized through the supporting legs 14.
The upper surface mounting of base 12 has aspiration pump body 15, aspiration pump body 15 passes through the screw mounting in the upper surface of base 12, aspiration pump body 15 belongs to prior art, and do not further prescribe a limit to the model of aspiration pump body 15 in this application, aspiration pump body 15's input passes through pipe and air preheating box 8 communicating pipe, aspiration pump body 15's output is linked together through pipe and thermal power generating unit body 6, can be with the air injection that preheats in the air preheating box 8 to thermal power generating unit body 6 in through starting aspiration pump body 15.
Working principle: in the long-time use process of the device, when the inner wall of the smoke exhaust pipe II 3 is required to be cleaned due to more particles adhered to the inner wall of the smoke exhaust pipe II 3, a worker only needs to start the servo motor 9, the rotation of the gear II 10 can be driven along with the start of the servo motor 9, the rotation of the gear I5 can be driven along with the rotation of the gear II 10, the rotation of the driving ring 1 is driven, the rotation of the driving block 401 can be driven under the connection effect of the connecting rod I402, the rotation of the threaded rod 403 can be driven along with the rotation of the driving block 401, the movement of the threaded block 404 can be driven under the cooperation limit of the limiting block 406, and the movement of the cleaning ring 405 can be driven through the connection of the connecting rod II 407, and the cleaning of the particles adhered to the inner wall of the smoke exhaust pipe II 3 can be realized along with the movement of the cleaning ring 405.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides an air preheater of thermal power generating unit, includes drive ring (1), its characterized in that: the inner wall of the driving ring (1) is rotationally connected with a first smoke discharge pipe (2), the inner wall of the driving ring (1) is rotationally connected with a second smoke discharge pipe (3), a cleaning mechanism (4) is arranged in the second smoke discharge pipe (3), the cleaning mechanism (4) comprises a driving block (401) and a cleaning ring (405), a group of first connecting rods (402) are fixedly connected to the outer surface of the driving block (401), each first connecting rod (402) is fixedly connected to the inner wall of the driving ring (1), a threaded rod (403) is fixedly connected to the outer surface of the driving block (401), a threaded block (404) is connected to the outer surface of the threaded rod (403), the outer surface of the cleaning ring (405) is in contact with the inner wall of the second smoke discharge pipe (3), symmetrical limiting blocks (406) are fixedly connected to the outer surface of the cleaning ring (405), a group of second connecting rods (407) are fixedly connected to the outer surface of the threaded block (404), each second connecting rod (407) is fixedly connected to the outer surface of the first smoke discharge pipe (5), a supporting plate (13) is arranged below the driving ring (1).
2. A thermal power plant air preheater as set forth in claim 1, wherein: the external surface intercommunication of flue gas emission pipe one (2) has thermal power unit body (6), the external surface intercommunication of flue gas emission pipe two (3) has flue gas purification tower body (7), thermal power unit body (6) fixed connection is in the inner wall of backup pad (13), flue gas purification tower body (7) fixed connection is in the inner wall of backup pad (13).
3. A thermal power plant air preheater as set forth in claim 1, wherein: the outside of driving ring (1) is provided with air preheating box (8), air preheating box (8) fixed connection is in the surface of thermal power unit body (6), air preheating box (8) fixed connection is in the surface of flue gas purification tower body (7).
4. A thermal power plant air preheater as set forth in claim 3, wherein: the air preheating box is characterized in that a servo motor (9) is arranged on the inner top wall of the air preheating box body (8), a gear II (10) is fixedly connected to the output end of the servo motor (9), and the gear II (10) is meshed with the gear I (5).
5. A thermal power plant air preheater as set forth in claim 3, wherein: the upper surface intercommunication of air preheating box (8) has air injection pipe (11), the below of air preheating box (8) is provided with base (12).
6. The thermal power generating unit air preheater as set forth in claim 5, wherein: the upper surface of base (12) fixedly connected with four supporting legs (14), every supporting leg (14) all fixed connection is in the bottom surface of backup pad (13).
7. The thermal power generating unit air preheater as set forth in claim 5, wherein: the upper surface of the base (12) is provided with an air pump body (15), and the air pump body (15) is arranged on the upper surface of the base (12) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322211799.6U CN220793175U (en) | 2023-08-17 | 2023-08-17 | Air preheater of thermal power generating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322211799.6U CN220793175U (en) | 2023-08-17 | 2023-08-17 | Air preheater of thermal power generating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220793175U true CN220793175U (en) | 2024-04-16 |
Family
ID=90664812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322211799.6U Active CN220793175U (en) | 2023-08-17 | 2023-08-17 | Air preheater of thermal power generating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220793175U (en) |
-
2023
- 2023-08-17 CN CN202322211799.6U patent/CN220793175U/en active Active
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