CN220230248U - Descaling device for condenser of thermal power plant - Google Patents
Descaling device for condenser of thermal power plant Download PDFInfo
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- CN220230248U CN220230248U CN202321722782.0U CN202321722782U CN220230248U CN 220230248 U CN220230248 U CN 220230248U CN 202321722782 U CN202321722782 U CN 202321722782U CN 220230248 U CN220230248 U CN 220230248U
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- condenser
- brush
- condensing
- dish
- mounting
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- 238000007790 scraping Methods 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 14
- 239000007921 spray Substances 0.000 description 9
- 230000006978 adaptation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Abstract
The utility model relates to a scale removal device of steam turbine of steam power plant, it includes the condenser and fixedly sets up a plurality of condenser pipes in the condenser, the length direction slip along the condenser pipe in the condenser is provided with scrapes the dish, be provided with on the condenser and be used for driving to scrape the gliding actuating assembly of dish, a plurality of mounting holes have been seted up on the scraping dish, the position one-to-one of mounting hole and condenser pipe, scrape on the dish and be located every the mounting hole department is all fixed and is provided with annular scraper, annular scraper cover is established on the condenser pipe and with condenser pipe butt. This application has the effect that improves the inside incrustation scale cleaning efficiency of condenser.
Description
Technical Field
The application relates to the technical field of condenser descaling, in particular to a descaling device for a condenser of a thermal power plant.
Background
The condenser of the power plant is a heat exchanger for condensing the exhaust steam of the steam turbine into water, which is also called as a water re-heater; the condenser is mainly used in a turbine power device and is divided into a water-cooling condenser and an air-cooling condenser, and the condenser can be used for condensing exhaust steam of the turbine into water for reuse of a boiler and can be used for establishing vacuum and maintaining vacuum at the exhaust steam of the turbine.
At present, the condenser mainly comprises a condenser box and a plurality of condensing pipes fixedly arranged in the condenser box, wherein a steam inlet and a water outlet are formed in the condenser box; however, after the condenser is used for a period of time, a large amount of scale can be adhered to the surface of the condenser pipe due to the alternate flow of cold and hot water, if the scale is not removed for a long time, the condenser pipe can be corroded, the working efficiency of the condenser is reduced, the vacuum degree of the condenser is reduced, the exhaust temperature is increased, and therefore the economy and the safety of a steam turbine are affected.
At present, when scale removal is carried out inside the condenser, the condenser is usually manually disassembled to clean the surfaces of the condensation pipes inside the condenser one by one, and the cleaning efficiency is low.
Disclosure of Invention
In order to improve the cleaning efficiency to the inside incrustation scale of condenser, this application provides a scale removal device of steam power plant's condenser.
The application provides a scale removal device of steam condenser of steam power plant adopts following technical scheme:
the utility model provides a scale removal device of steam power plant condenser, includes the condenser and fixes a plurality of condenser pipes that set up in the condenser, the condenser is internal to be provided with along the length direction slip of condenser pipe and scrapes the dish, be provided with on the condenser and be used for driving to scrape the gliding actuating assembly of dish, a plurality of mounting holes have been seted up on the dish to scrape, the position one-to-one of mounting hole and condenser pipe, scrape on the dish and be located every the mounting hole department is all fixed and is provided with annular scraper, annular scraper cover is established on the condenser pipe and with condenser pipe butt.
Through adopting above-mentioned technical scheme, when needs are to the condenser pipe surface when scale removal, order about through drive assembly and scrape the dish and slide in the condensing case, scrape the dish gliding time, scrape the incrustation scale on condenser pipe surface clean through annular scraper to need not the staff and clear up the incrustation scale one by one on condenser pipe surface, improved the cleaning efficiency to the inside incrustation scale of condenser greatly.
Optionally, the drive assembly includes lead screw and first motor, the lead screw rotates and sets up in the condensing steam box, just the axial of lead screw with scrape the slip direction of dish and scrape a set threaded connection, first motor is fixed to be set up on the condensing steam box, parallel, the screw hole has been seted up along the axial of lead screw on scraping the dish, the lead screw wears to locate the screw hole just the coaxial fixed connection of output shaft and lead screw of first motor.
Through adopting above-mentioned technical scheme, drive the lead screw through first motor and rotate, because lead screw and scraping the dish threaded connection, the axial slip along the lead screw can be driven to the dish of scraping in the lead screw pivoted.
Optionally, the coaxial rotation is provided with the collar on the scraping plate, be provided with on the scraping plate and be used for driving collar pivoted actuating source, it is provided with a plurality of brush poles to rotate on the collar, a plurality of the length direction of brush pole is parallel with the slip direction of scraping the plate, be provided with the brush hair on the brush pole, the inner wall butt of brush hair and condensing steam box is provided with on the collar and is used for driving a plurality of brush pole pivoted actuating pieces.
By adopting the technical scheme, when the condenser is used, a large amount of water scale is adhered to the inner wall of the condenser, and the condenser is easy to corrode; the scraping plate slides in the condensing box, the mounting ring is driven to rotate through the driving source, and the brush rod is driven to rotate through the driving piece, so that scale attached to the inner wall of the condensing box is cleaned through the brush hair, and the scale removal effect of the condenser is improved.
Optionally, the driving source includes the second motor, and the second motor is fixed to be set up on scraping the dish, coaxial fixed transmission gear that is provided with on the output shaft of second motor, coaxial fixed ring gear that is provided with on the collar, transmission gear and ring gear meshing.
Through adopting above-mentioned technical scheme, drive gear through the second motor and rotate, drive gear rotation when the drive gear rotates to drive the collar rotation.
Optionally, be provided with a plurality of holding chambeies with the inside intercommunication of condensing steam case on the condensing steam case, holding chamber and brush-holder stud one-to-one, just the holding chamber is used for supplying the brush-holder stud to insert.
Through adopting above-mentioned technical scheme, the condenser is at the during operation, accomodates the brush-holder stud all to the holding intracavity to avoid the brush hair to receive the steam erosion, improve the life of brush hair.
Optionally, the brush-holder stud is gone up the cover and is equipped with the installation sleeve, the brush hair is fixed to be set up on the installation sleeve, the installation sleeve can be dismantled with the brush-holder stud and be connected, be provided with the mounting that is used for fixed installation sleeve on the brush-holder stud.
By adopting the technical scheme, the brush hair on the brush rod is easy to age or damage after long-term use, so that the cleaning effect of the brush hair on the inner wall of the condensing tank is reduced; through loosening the mounting on the brush-holder stud, dismantle the installation sleeve from the brush-holder stud, can change the brush hair on installation sleeve and the installation sleeve, improve the practicality.
Optionally, the mounting includes the swivel nut, the brush-holder stud is kept away from the lateral wall of collar and has been seted up the external screw thread with swivel nut looks adaptation, the spacing groove has been seted up along the axial of installation sleeve to the inner wall of installation sleeve, the lateral wall of brush-holder stud is fixed to be provided with the stopper, spacing groove and stopper looks adaptation.
Through adopting above-mentioned technical scheme, establish the installation sleeve cover when on the brush-holder stud, make the stopper insert installation sleeve's spacing inslot, prevent installation sleeve and brush-holder stud relative rotation, later establish the swivel nut cover and threaded connection on the brush-holder stud, prevent that installation sleeve from breaking away from the brush-holder stud, can fix the installation sleeve on the brush-holder stud.
Optionally, the scraping plate is fixedly provided with a plurality of spray heads, the condensing box is fixedly provided with a water storage tank, the water storage tank is fixedly provided with a water pump, the water pump is communicated with a water guide pipe, the water guide pipe is communicated with the spray heads, and the spray heads are used for spraying water to the surface of the condensing pipe and the inner wall of the condensing box.
Through adopting above-mentioned technical scheme, spray the inner wall to condenser pipe surface and condensing case through the shower nozzle with water, be convenient for with the brush-holder stud to the dirt that produces after the inner wall clearance of condensing case and the dirt that annular scraper produced after striking off the condenser pipe wash out the condensing case.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the surface of the condensing tube is required to be descaled, the scraping plate is driven to slide in the condensing box through the driving assembly, and meanwhile, the scale on the surface of the condensing tube is scraped clean through the annular scraper, so that staff is not required to clean the scale on the surface of the condensing tube one by one, and the cleaning efficiency of the scale inside the condenser is greatly improved;
2. when the condenser is used, a large amount of water scale is adhered to the inner wall of the condenser, and the condenser is easy to corrode; the scraping plate slides in the condensing box, the mounting ring is driven to rotate through the driving source, and the brush rod is driven to rotate through the driving piece, so that scale attached to the inner wall of the condensing box is cleaned through the brush hair, and the scale removal effect of the condenser is improved.
Drawings
FIG. 1 is a cross-sectional view of a structure of an embodiment of the present application;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of a part of the structure of an embodiment of the present application, mainly used for expressing the structure of a scraping plate;
FIG. 4 is an enlarged view of portion B of FIG. 3;
fig. 5 is an enlarged view of a portion C in fig. 3.
Reference numerals illustrate: 1. a condensing box; 11. a condensing tube; 12. a water storage tank; 13. a water pump; 14. a water conduit; 15. a receiving chamber; 2. scraping a disc; 21. an annular scraper; 211. a rubber sleeve; 22. a spray head; 23. a fixing ring; 24. a second motor; 25. a transmission gear; 3. a drive assembly; 31. a screw rod; 32. a guide rod; 33. a first motor; 4. a mounting ring; 41. a toothed ring; 411. an annular block; 42. a brush bar; 421. a limiting block; 422. a screw sleeve; 43. a third motor; 44. a mounting sleeve; 441. and a limit groove.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a descaling device for a condenser of a thermal power plant. Referring to fig. 1, including condenser 1 and fixed a plurality of condenser pipes 11 that set up inside condenser 1, the length direction of a plurality of condenser pipes 11 is parallel, is provided with along the length direction slip of condenser pipe 11 in the condenser 1 and scrapes dish 2, is provided with on the condenser 1 and is used for driving to scrape the gliding drive assembly 3 of dish 2, scrapes and has offered a plurality of mounting holes on the dish 2, and the position one-to-one of mounting hole and the position one-to-one of condenser pipe 11, and condenser pipe 11 slides and wears to establish in the mounting hole.
Referring to fig. 2, an annular scraper 21 is fixedly arranged on the scraping plate 2 and at each mounting hole, the annular scraper 21 is sleeved on the condenser pipe 11 and is abutted against the surface of the condenser pipe 11, a rubber sleeve 211 is fixedly arranged on the inner wall of the annular scraper 21, and the rubber sleeve 211 is sleeved on the condenser pipe 11 and is abutted against the surface of the condenser pipe 11.
Referring to fig. 1, the driving assembly 3 includes a screw rod 31, a guide rod 32 and a first motor 33, the screw rod 31 is rotatably arranged in the condensing tank 1, the axial direction of the screw rod 31 is parallel to the length direction of the condensing tube 11, a threaded hole is formed in the scraping plate 2 along the direction perpendicular to the scraping plate 2, the threaded hole is matched with the screw rod 31, the screw rod 31 is arranged in the threaded hole in a penetrating mode and is in threaded connection with the scraping plate 2, the guide rod 32 is fixedly arranged in the condensing tank 1, the length direction of the guide rod 32 is parallel to the axial direction of the screw rod 31, a through hole is formed in the scraping plate 2 along the direction perpendicular to the scraping plate 2, the guide rod 32 is arranged in the through hole in a penetrating mode and is in sliding connection with the scraping plate 2, the first motor 33 is fixedly arranged on the condensing tank 1, and an output shaft of the first motor 33 is fixedly connected with the screw rod 31 in a coaxial mode.
Referring to fig. 1 and 2, a water storage tank 12 is fixedly arranged on a condensing tank 1, a water pump 13 is fixedly arranged in the water storage tank 12, a water outlet end of the water pump 13 is communicated with a water guide pipe 14, a plurality of spray heads 22 are fixedly arranged on a scraping plate 2, and the water guide pipe 14 is communicated with the spray heads 22; the water is sprayed to the surface of the condensing pipe 11 and the inner wall of the condensing box 1 through the spray head 22, so that dirt generated after the annular scraper 21 scrapes the condensing pipe 11 can be conveniently flushed out of the condensing box 1.
Referring to fig. 3, a mounting ring 4 is coaxially rotatably arranged on the scraping plate 2, a fixing ring 23 is sleeved on the scraping plate 2, the fixing ring 23 is fixedly connected with the scraping plate 2, the fixing ring 23 coincides with the central axis of the scraping plate 2, the fixing ring 23 is in clearance fit with the scraping plate 2, a toothed ring 41 is coaxially and fixedly arranged on the mounting ring 4, the toothed ring 41 is rotatably arranged in a clearance between the fixing ring 23 and the scraping plate 2, internal grooves are formed in the toothed ring 41, an annular block 411 is coaxially and fixedly arranged on the outer side wall of the toothed ring 41, an annular groove is formed in the inner wall of the fixing ring 23, and the annular block 411 is rotatably arranged in the annular groove.
Referring to fig. 3, a driving source for driving the mounting ring 4 to rotate is disposed on the scraping plate 2, the driving source includes a second motor 24, the second motor 24 is fixedly disposed on the scraping plate 2, a mounting groove is formed in a side wall of the scraping plate 2, which is close to the fixing ring 23, a transmission gear 25 is rotationally disposed in the mounting groove, a rotation shaft of the transmission gear 25 is parallel to a central axis of the scraping plate 2, an output shaft of the second motor 24 extends into the mounting groove and is fixedly connected with the transmission gear 25 in a coaxial manner, and the transmission gear 25 is meshed with internal corrugations on the toothed ring 41.
Referring to fig. 3, a plurality of brush bars 42 are rotatably disposed at one end of the mounting ring 4 far away from the annular scraper 21, the brush bars 42 are circumferentially distributed along the mounting ring 4, the length direction of the brush bars 42 is parallel to the central axis of the scraping plate 2, a driving member for driving the brush bars 42 to rotate is disposed on the mounting ring 4, the driving member comprises a third motor 43, each brush bar 42 corresponds to one third motor 43, the third motor 43 is fixedly disposed at one end of the mounting ring 4 close to the annular scraper 21, and an output shaft of the third motor 43 is fixedly connected with the brush bars 42 in a coaxial manner.
Referring to fig. 3, a mounting sleeve 44 is sleeved on the brush rod 42, bristles are fixedly arranged on the side wall of the mounting sleeve 44 and are in butt joint with the inner wall of the condensing steam tank 1, a limiting groove 441 is formed in the inner wall of the mounting sleeve 44 along the axial direction of the mounting sleeve 44, a limiting block 421 is fixedly arranged on the side wall of the brush rod 42, the limiting groove 441 is matched with the limiting block 421, a fixing piece for fixing the mounting sleeve 44 is arranged on the brush rod 42 and comprises a threaded sleeve 422, and external threads matched with the threaded sleeve 422 are formed in the side wall, far away from the mounting ring 4, of the brush rod 42.
Referring to fig. 1, a plurality of accommodating cavities 15 communicated with the interior of the condensing tank 1 are formed in the side wall of the condensing tank 1, which is positioned on one side of the scraping plate 2 close to the brush rod 42, and the accommodating cavities 15 are in one-to-one correspondence with the brush rod 42; the condenser is at the during operation, accomodate brush-holder stud 42 in holding chamber 15 to avoid the brush hair to receive the steam erosion, improve the life of brush hair.
The implementation principle of the descaling device of the condenser of the thermal power plant is as follows: when the surface of the condensing tube 11 needs to be descaled, the screw rod 31 is driven to rotate through the first motor 33, the scraping plate 2 is driven to slide in the condensing tube 1, the scale on the surface of the condensing tube 11 is scraped clean through the annular scraper 21 while the scraping plate 2 slides, the mounting ring 4 is driven to rotate through the second motor 24, and the brush rod 42 is driven to rotate through the third motor 43, so that the scale attached to the inner wall of the condensing tube 1 is cleaned through bristles, water is sprayed to the surface of the condensing tube 11 and the inner wall of the condensing tube 1 through the spray head 22, the scale generated after the inner wall of the condensing tube 1 is cleaned by the brush rod 42 and the scale generated after the scale is scraped by the annular scraper 21 out of the condensing tube 1 are facilitated, and the cleaning efficiency of the scale inside the condenser is greatly improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a scale removal device of steam power plant condenser, includes condensing case (1) and fixed a plurality of condenser pipes (11) that set up in condensing case (1), its characterized in that: the utility model discloses a condenser, including condenser (1), condenser (1) and annular scraper (21) are provided with along the length direction slip of condenser pipe (11), be provided with on condenser (1) and be used for driving to scrape gliding drive assembly (3) of dish (2), scrape and set up a plurality of mounting holes on dish (2), the position of mounting hole and the position one-to-one of condenser pipe (11), scrape on dish (2) and be located every the equal fixed annular scraper (21) that is provided with in mounting hole department, annular scraper (21) cover is established on condenser pipe (11) and with condenser pipe (11) butt.
2. The descaling device for the condenser of the thermal power plant according to claim 1, wherein: the driving assembly (3) comprises a screw rod (31) and a first motor (33), the screw rod (31) is rotationally arranged in the condensing box (1), the axial direction of the screw rod (31) is parallel to the sliding direction of the scraping plate (2), a threaded hole is formed in the scraping plate (2) along the axial direction of the screw rod (31), the screw rod (31) penetrates through the threaded hole and is in threaded connection with the scraping plate (2), the first motor (33) is fixedly arranged on the condensing box (1), and an output shaft of the first motor (33) is fixedly connected with the screw rod (31) in a coaxial mode.
3. The descaling device for the condenser of the thermal power plant according to claim 1, wherein: the utility model discloses a scraper pan, including scraper pan (2), scraper pan (2) is last to be provided with and is used for driving collar (4) pivoted actuating source, rotate on collar (4) and be provided with a plurality of brush-holder stud (42), a plurality of the length direction of brush-holder stud (42) is parallel with the slip direction of scraper pan (2), be provided with the brush hair on brush-holder stud (42), the inner wall butt of brush hair and condensing case (1), be provided with on collar (4) and be used for driving a plurality of brush-holder stud (42) pivoted driving piece.
4. A descaling device for condensers of thermal power plants according to claim 3, characterized in that: the driving source comprises a second motor (24), the second motor (24) is fixedly arranged on the scraping plate (2), a transmission gear (25) is coaxially and fixedly arranged on an output shaft of the second motor (24), a toothed ring (41) is coaxially and fixedly arranged on the mounting ring (4), and the transmission gear (25) is meshed with the toothed ring (41).
5. A descaling device for condensers of thermal power plants according to claim 3, characterized in that: the utility model discloses a brush rod, including condensing case (1), including brush rod (42), condensing case (1) is provided with a plurality of holding chamber (15) with the inside intercommunication of condensing case (1), holding chamber (15) and brush rod (42) one-to-one, just holding chamber (15) are used for supplying brush rod (42) to insert.
6. A descaling device for condensers of thermal power plants according to claim 3, characterized in that: the brush rod (42) is sleeved with a mounting sleeve (44), the bristles are fixedly arranged on the mounting sleeve (44), the mounting sleeve (44) is detachably connected with the brush rod (42), and a fixing piece for fixing the mounting sleeve (44) is arranged on the brush rod (42).
7. The descaling device for the condenser of the thermal power plant according to claim 6, wherein: the fixing piece comprises a screw sleeve (422), an external thread matched with the screw sleeve (422) is arranged on the side wall, far away from the mounting ring (4), of the brush rod (42), a limit groove (441) is formed in the inner wall of the mounting sleeve (44) along the axial direction of the mounting sleeve (44), a limit block (421) is fixedly arranged on the side wall of the brush rod (42), and the limit groove (441) is matched with the limit block (421).
8. A descaling device for condensers of thermal power plants according to claim 3, characterized in that: the utility model discloses a condenser, including scraping dish (2), fixed being provided with a plurality of shower nozzles (22) on scraping dish (2), fixed being provided with water storage tank (12) on condensing case (1), water storage tank (12) internal fixation is provided with water pump (13), water pump (13) intercommunication has aqueduct (14), aqueduct (14) and a plurality of shower nozzles (22) intercommunication, shower nozzle (22) are used for spraying water to condensing tube (11) surface and condensing case (1) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321722782.0U CN220230248U (en) | 2023-07-03 | 2023-07-03 | Descaling device for condenser of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321722782.0U CN220230248U (en) | 2023-07-03 | 2023-07-03 | Descaling device for condenser of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220230248U true CN220230248U (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321722782.0U Active CN220230248U (en) | 2023-07-03 | 2023-07-03 | Descaling device for condenser of thermal power plant |
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| Country | Link |
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| CN (1) | CN220230248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117948773A (en) * | 2024-03-27 | 2024-04-30 | 三立福新材料(福建)有限公司 | A material intelligence cooling device for hydrochloric acid production |
-
2023
- 2023-07-03 CN CN202321722782.0U patent/CN220230248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117948773A (en) * | 2024-03-27 | 2024-04-30 | 三立福新材料(福建)有限公司 | A material intelligence cooling device for hydrochloric acid production |
| CN117948773B (en) * | 2024-03-27 | 2024-06-04 | 三立福新材料(福建)有限公司 | A material intelligence cooling device for hydrochloric acid production |
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