CN114130718B - Blade scaling cleaning device of steam turbine - Google Patents
Blade scaling cleaning device of steam turbine Download PDFInfo
- Publication number
- CN114130718B CN114130718B CN202111305280.3A CN202111305280A CN114130718B CN 114130718 B CN114130718 B CN 114130718B CN 202111305280 A CN202111305280 A CN 202111305280A CN 114130718 B CN114130718 B CN 114130718B
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- cleaning
- blade
- steam turbine
- water tank
- column
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- 238000004140 cleaning Methods 0.000 title claims abstract description 118
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000004062 sedimentation Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 10
- 230000001680 brushing effect Effects 0.000 abstract description 7
- 238000002791 soaking Methods 0.000 abstract description 4
- 230000002226 simultaneous effect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning In General (AREA)
Abstract
The invention provides a blade scaling cleaning device of a steam turbine, which comprises a cleaning box, wherein a blade shaft is transversely arranged in the middle of the cleaning box, through holes are formed in two ends of the cleaning box, two ends of the blade shaft extend out of the cleaning box through the through holes, a mounting plate is arranged on the upper side in the cleaning box, a cleaning column is arranged at the lower end of the mounting plate, a steel brush is arranged on the surface of the cleaning column, a water tank is arranged at the bottom in the cleaning box, cleaning liquid is injected into the water tank, a hollow structure is arranged in the cleaning column, a plurality of water outlet holes are formed in the surface of the cleaning column, a circulating water pipe is arranged on the left side of the water tank, the upper end of the circulating water pipe extends into the cleaning column, and a driving mechanism on the left side of the cleaning box drives the blade shaft to rotate. The upper ends of the blades are brushed through the steel brush, meanwhile, the water outlet holes spray cleaning liquid to dissolve impurities, the lower ends of the blades extend into the water tank to be soaked and cleaned, impurity residues are reduced, the cleaning efficiency of the blades is improved through the simultaneous effect of brushing the upper ends of the blades and soaking the lower ends of the blades, and the cleaning device is simple in structure and convenient to use.
Description
Technical Field
The invention relates to the technical field of steam turbine equipment, in particular to a device for cleaning scaling of blades of a steam turbine.
Background
The steam turbine is also called a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with a blade row rotates and simultaneously does work outwards. Steam turbines are the main equipment of modern thermal power plants and are also used in metallurgical industry, chemical industry and ship power plants. In the prior art, impurities such as scale and the like can be generated when the blades of the steam turbine receive steam and are attached to the surfaces of the blades, if the blades are not cleaned regularly, the service efficiency of the steam turbine can be affected, and because the blades of the steam turbine in a general large-sized steam turbine are huge, manual cleaning is very time-consuming, and because the blades of a plurality of groups of the steam turbine are arranged in a stepped manner, the cleaning is very troublesome under the condition of incomplete disassembly.
Patent number CN111940382a discloses a cleaning mechanism for turbine blade scaling and cleaning method based on the mechanism, through letting in water into the casing, the rivers flow along the baffle spiral direction to wash the blade, improve the cleaning effect to the blade, but the device adopts rivers to wash and needs rivers to last to contact with the blade to wash, needs to last longer time just can dissolve the incrustation scale impurity that adheres to the blade surface and get rid of, and cleaning efficiency is comparatively low, and it is important to solve this problem.
Disclosure of Invention
The invention aims to provide a scaling cleaning device for a steam turbine blade, wherein the upper end of the blade is brushed by a steel brush, meanwhile, a water outlet is sprayed with cleaning liquid to dissolve impurities, the lower end of the blade extends into a water tank to be soaked and cleaned, so that impurity residues are reduced, the cleaning efficiency of the blade is improved by simultaneously brushing the upper end of the blade and soaking the lower end of the blade, and the problem of low cleaning efficiency by flushing in the background art is solved.
The invention provides a blade scaling cleaning device of a steam turbine, which comprises a cleaning box, wherein a blade shaft is transversely arranged in the middle of the cleaning box, through holes are formed in two ends of the cleaning box, two ends of the blade shaft extend out of the cleaning box through the through holes, a mounting plate is arranged on the upper side in the cleaning box, a cleaning column is arranged at the lower end of the mounting plate, a steel brush is arranged on the surface of the cleaning column, a water tank is arranged at the bottom in the cleaning box, cleaning liquid is injected into the water tank, a hollow structure is arranged in the cleaning column, a plurality of water outlet holes are formed in the surface of the cleaning column, a circulating water pipe is arranged on the left side of the water tank, the upper end of the circulating water pipe extends into the cleaning column, and a driving mechanism on the left side of the cleaning box drives the blade shaft to rotate.
The further improvement is that: the upper side of the cleaning box is provided with a descending cylinder, and the output end of the descending cylinder extends into the cleaning box and is connected with the mounting plate.
The further improvement is that: the cleaning column lower extreme is equipped with the arc buffer board, and the buffer board both sides are connected with clean piece through the spring telescopic link.
The further improvement is that: the cleaning box consists of an upper semicircular shell and a lower semicircular shell, the upper shell and the lower shell are detachably connected, and sealing gaskets are arranged at the edges of the upper shell and the lower shell.
The further improvement is that: the bottom of the water tank is arranged in a left-high right-low inclined mode, a sedimentation tank is arranged on the right side of the bottom of the water tank, and a filtering baffle is arranged on the upper side of the sedimentation tank.
The further improvement is that: more than one cleaning column is arranged, and the cleaning columns are arranged corresponding to the blade gaps.
The further improvement is that: the driving mechanism comprises a motor, and the motor is in transmission connection with the left end of the blade shaft through a transmission belt.
The invention has the beneficial effects that: through transversely placing the blade axle in wasing the incasement, the motor passes through drive belt and drives the blade axle and rotate, and clean post descends and makes steel brush and blade surface contact, and when the blade axle rotated, the blade surface to the upside was scrubbed through the steel brush, and the blade of downside stretches into in the basin, washs the blade surface through the washing liquid in the basin, reduces the impurity residue on blade surface to improve the cleaning performance, and scrub the lower extreme through the upper end and soak multiple mode and clean the blade, improved the cleaning efficiency of blade.
The cleaning liquid is conveyed into the cleaning column through the circulating water pipe, the water outlet hole on the surface of the cleaning column is sprayed out, the scale on the surface of the blade is dissolved through the cleaning liquid, the steel brush is convenient to clean the scale impurities on the surface rapidly, and the cleaning efficiency of the blade is improved.
Through setting up the buffer board, when descending cylinder and driving the mounting panel and making clean post decline, the buffer board laminating is buffering on the blade axle, prevents clean post and blade axle collision, simultaneously through the buffer board laminating on the blade axle, makes the clean piece of both sides support through spring telescopic link tension action and lean on blade and blade axle junction, clears up the incrustation scale impurity of junction, improves clean effect.
Drawings
Fig. 1 is a schematic diagram of the front view structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic cross-sectional view of a cleaning column.
FIG. 4 is a schematic view of a buffer plate structure.
Wherein: 1-cleaning box, 2-through hole, 3-mounting plate, 4-cleaning column, 5-steel brush, 6-basin, 7-filtering baffle, 8-apopore, 9-circulating pipe, 10-decline cylinder, 11-buffer board, 12-cleaning piece, 13-precipitation tank, 14-motor, 15-driving belt.
Detailed Description
The present invention will be further described in detail with reference to examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1-4, this embodiment provides a steam turbine blade scale deposit cleaning device, including wasing case 1, wasing case 1 comprises two upper and lower semi-circular casings, and upper and lower two casings are dismantled and are connected, and upper and lower two casing edges all are equipped with sealing gasket, and the blade axle transversely is placed in the middle of wasing case 1, and wasing case 1 both ends are equipped with through-hole 2, and blade axle both ends stretch out wasing case 1 through-hole 2, washs case 1 left side actuating mechanism, and actuating mechanism drives the blade axle and rotates, and actuating mechanism includes motor 14, and motor 14 and blade axle left end pass through drive belt 15 transmission and connect, and motor 14 drives the slow rotation of blade axle in wasing case 1 through drive belt 15.
The upper side in the cleaning box 1 is provided with a mounting plate 3, the upper side of the cleaning box 1 is provided with a descending cylinder 10, the output end of the descending cylinder 10 extends into the cleaning box 1 and is connected with the mounting plate 3, and the mounting plate 3 is lifted up and down through the descending cylinder 10; the lower end of the mounting plate 3 is provided with more than one cleaning column 4, the cleaning columns 4 are arranged corresponding to the blade gaps, the lower end of each cleaning column 4 is provided with an arc-shaped buffer plate 11, each cleaning column 4 moves downwards along with the mounting plate 3, the buffer plates 11 are attached to the surfaces of the blade shafts to buffer the downwards movement of each cleaning column 4, two sides of each buffer plate are connected with cleaning blocks 12 through spring telescopic rods, and the cleaning blocks 12 are abutted to the joints of the blades and the blade shafts under the action of the spring telescopic rods to clean the joints; the surface of the cleaning column 4 is provided with a steel brush 5, and the steel brush 5 is attached to the surface of the blade for brushing.
A water tank 6 is arranged at the inner bottom of the cleaning box 1, cleaning liquid is injected into the water tank 6, and the lower ends of the blades extend into the water tank to contact with the cleaning liquid for cleaning; the cleaning column 4 is internally of a hollow structure, a plurality of water outlet holes 8 are formed in the surface of the cleaning column 4, a circulating water pipe 9 is arranged on the left side of the water tank 6, the upper end of the circulating water pipe 9 stretches into the cleaning column 4, cleaning liquid is conveyed into the cleaning column 4 through the circulating water pipe 9, when the steel brush 5 brushes the blades, the cleaning liquid in the cleaning column 4 is sprayed out through the water outlet holes 8 to dissolve scale, and the brushing effect is improved.
The bottom of the water tank 6 is arranged in a left-high and right-low inclined manner, the right side of the bottom of the water tank 6 is provided with a sedimentation tank 13, incompletely dissolved scale falls into the water tank through scrubbing, slides into the sedimentation tank 13 along the inclined surface of the bottom of the water tank 6 to be collected, the cleanliness in the water tank 6 is improved, and the cleaning effect on blades is improved; the upper side of the sedimentation tank 13 is provided with a filtering baffle 7, the filtering baffle 7 stops sundries in the sedimentation tank 13, the circulating water pipe 9 is prevented from sucking sediment,
when the cleaning box 1 is used, the cleaning box 1 is opened, the blade shaft is transversely placed in the cleaning box 1, and then the cleaning box 1 is closed. The left end of the blade shaft is connected with the output end of the motor 14 through a transmission belt 15, the descending cylinder 10 drives the mounting plate 3 to descend, the cleaning column 4 moves downwards to extend between the blades, and the buffer plate 11 is attached to the blade shaft. Starting a motor 14 to drive a blade shaft to slowly rotate, brushing the upper ends of the rotating blades by a steel brush 5, conveying cleaning liquid in a water tank 6 into a cleaning column 4 by a circulating water pipe 9, spraying the cleaning liquid on the surfaces of the blades through water outlets 8, dissolving scale on the surfaces of the blades, and improving brushing and cleaning effects; the cleaning block 12 cleans the blade and blade shaft connection so as to make the cleaning more comprehensive. Along with the rotation of the blade shaft, the area which is brushed by the steel brush 5 rotates to extend into the water tank 6 for soaking and cleaning, and the residues of impurities on the surface of the blade are reduced through the flushing of cleaning liquid in the water tank 6. Along with the rotation of the blade shaft, the brushing and soaking are circularly carried out, and the cleaning effect and the cleaning efficiency of the blade are effectively improved.
Claims (6)
1. The utility model provides a steam turbine blade scale deposit cleaning device, including wasing case (1), the blade axle transversely places in the middle of wasing case (1), wasing case (1) both ends are equipped with through-hole (2), the blade axle both ends stretch out wasing case (1) through-hole (2), wasing case (1) left side is equipped with actuating mechanism, actuating mechanism takes moving blade axle to rotate, a serial communication port, the upper side is equipped with mounting panel (3) in wasing case (1), mounting panel (3) lower extreme is equipped with cleaning post (4), cleaning post (4) surface is equipped with steel brush (5), be equipped with basin (6) in wasing case (1), the basin (6) intussuseption has the washing liquid, be hollow structure in cleaning post (4), cleaning post (4) surface is equipped with a plurality of apopores (8), basin (6) left side is equipped with circulating water pipe (9), circulating water pipe (9) upper end stretches into in cleaning post (4); the lower end of the cleaning column (4) is provided with an arc-shaped buffer plate (11), and two sides of the buffer plate are connected with cleaning blocks (12) through spring telescopic rods.
2. A steam turbine blade scale cleaning apparatus as defined in claim 1 wherein: the upper side of the cleaning box (1) is provided with a descending cylinder (10), and the output end of the descending cylinder (10) extends into the cleaning box (1) to be connected with the mounting plate (3).
3. A steam turbine blade scale cleaning apparatus as defined in claim 1 wherein: the cleaning box (1) is composed of an upper semicircular shell and a lower semicircular shell, the upper shell and the lower shell are detachably connected, and sealing gaskets are arranged at the edges of the upper shell and the lower shell.
4. A steam turbine blade scale cleaning apparatus as defined in claim 1 wherein: the bottom of the water tank (6) is arranged in a left-high right-low inclined mode, a sedimentation tank (13) is arranged on the right side of the bottom of the water tank (6), and a filtering baffle (7) is arranged on the upper side of the sedimentation tank (13).
5. A steam turbine blade scale cleaning apparatus as defined in claim 1 wherein: more than one cleaning column (4) is arranged, and the cleaning columns (4) are arranged corresponding to the blade gaps.
6. A steam turbine blade scale cleaning apparatus as defined in claim 1 wherein: the driving mechanism comprises a motor (14), and the motor (14) is in transmission connection with the left end of the blade shaft through a transmission belt (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111305280.3A CN114130718B (en) | 2021-11-05 | 2021-11-05 | Blade scaling cleaning device of steam turbine |
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CN202111305280.3A CN114130718B (en) | 2021-11-05 | 2021-11-05 | Blade scaling cleaning device of steam turbine |
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CN114130718A CN114130718A (en) | 2022-03-04 |
CN114130718B true CN114130718B (en) | 2023-06-16 |
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CN202111305280.3A Active CN114130718B (en) | 2021-11-05 | 2021-11-05 | Blade scaling cleaning device of steam turbine |
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CN115959685B (en) * | 2023-01-04 | 2024-05-14 | 中盐榆林盐化有限公司 | Brine salt-making and brine-collecting equipment with anti-scaling function |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN209613967U (en) * | 2018-11-30 | 2019-11-12 | 济南华盛档案设备有限责任公司 | A kind of stamping die |
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KR20100106419A (en) * | 2007-11-23 | 2010-10-01 | 발레니우스 바터 악티에볼락 | Enhanced cleaning and treatment device |
JP2013056316A (en) * | 2011-09-09 | 2013-03-28 | Toshiba Corp | Ultrasonic cleaning method of turbine rotor |
CN204320757U (en) * | 2014-11-24 | 2015-05-13 | 陈佳红 | A kind of test tube cleaning sterilizing device |
CN105268683A (en) * | 2015-10-29 | 2016-01-27 | 重庆市战果建材有限公司 | Steam turbine cleaning equipment by using ceramic particle sand |
CN109261589A (en) * | 2018-09-10 | 2019-01-25 | 缙云国络自动化设备有限公司 | A kind of steam turbine installation and operating method |
CN211515484U (en) * | 2019-12-25 | 2020-09-18 | 宜昌尚诺德生物医药科技有限公司 | Glass instrument belt cleaning device for bio-pharmaceuticals |
CN111921969B (en) * | 2020-06-23 | 2022-06-17 | 山东海润斯通电力工程有限公司 | Impeller cleaning device for gas turbine |
CN212759916U (en) * | 2020-07-21 | 2021-03-23 | 覃来丰 | Automatic cleaning device of steam turbine rotor |
CN212792027U (en) * | 2020-08-07 | 2021-03-26 | 淮南市泰能电力工程有限公司 | Cleaning device based on steam turbine |
CN111940382B (en) * | 2020-08-07 | 2022-07-29 | 淮南市泰能电力工程有限公司 | Cleaning mechanism for turbine blade scaling and cleaning method based on mechanism |
CN213392283U (en) * | 2020-08-14 | 2021-06-08 | 平湖德润环保节能科技有限责任公司 | Novel high-performance waste heat power generation steam turbine |
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CN209613967U (en) * | 2018-11-30 | 2019-11-12 | 济南华盛档案设备有限责任公司 | A kind of stamping die |
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