CN112610713A - High-wear-resistance spherical airlock valve with protection mechanism - Google Patents
High-wear-resistance spherical airlock valve with protection mechanism Download PDFInfo
- Publication number
- CN112610713A CN112610713A CN202011455771.1A CN202011455771A CN112610713A CN 112610713 A CN112610713 A CN 112610713A CN 202011455771 A CN202011455771 A CN 202011455771A CN 112610713 A CN112610713 A CN 112610713A
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- wear
- protection mechanism
- scraper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000004224 protection Effects 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
-
- 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
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- 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
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
- B08B5/043—Cleaning travelling work
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a high-wear-resistance spherical airlock valve with a protection mechanism, which comprises a valve body and a valve core, wherein the valve body is fixedly connected with a support, a slag collecting box is arranged on the support, the valve body is fixedly connected with a scraper shell through bolts, a groove is formed in the scraper shell, and a negative pressure suction head is arranged on the inner surface wall at the bottom end of the groove. According to the invention, the output end of the driving motor can drive the threaded rod to rotate, so that the scraper can move in the horizontal direction to be suitable for cleaning ash powder with different thicknesses, and on the basis of the original design, the scraper is additionally arranged on the upper part of the ball top to ensure that ash can be removed once before the ball top reaches the diaphragm sealing ring in the opening stroke every time, so that ash brought into a gap between the ball top and the diaphragm sealing ring during rotation of the ball top can be greatly reduced, the diaphragm sealing ring is basically free from sliding abrasion, and the service life of the diaphragm sealing ring is prolonged.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a high-wear-resistance spherical airlock valve with a protection mechanism.
Background
The ash conveying system of the thermal power generating unit 2 x 660MW from the tin power company adopts a spherical airlock valve of New Planet company, is a quick-closing valve, is a key part in a pneumatic conveying system, and finds that dome valve diaphragm sealing rings corresponding to three, four and five electric fields are seriously damaged in the repair of a furnace ash removing system C of the tin power company No. 1, and a layer of ash shell with the thickness of 1-2mm is found on a spherical top corresponding to the damaged sealing ring, so that the ash shell is hard in texture.
Prior patent application No. 201520218001.3 discloses a spherical airlock valve, which comprises a valve body and a gland fixedly mounted at the upper end of the valve body, wherein the middle part of the valve body is provided with a hemispherical valve core; the valve core is driven by the cylinder to rotate 90 degrees in the valve body. The utility model provides a spherical airlock valve has thoroughly solved valve seal and stand wear and tear problem, and the switching is nimble, and the structure is reliable, and longe-lived, the maintenance is maintained portably, has not only reduced the maintenance work load of valve, and the while is convenient for maintenance personnel is to the routine maintenance of valve.
However, the temperature of the electric dust removal shell is low due to the fact that the hot area of the cylinder is cold in winter, in order to reduce the exhaust temperature in operation and achieve the effects of energy conservation and emission reduction, the lowest temperature of the exhaust gas at the tail of the electric dust removal is lower than 100 ℃, steam in the exhaust gas is condensed, damp ash is bonded on the dome and hardened under the combined action of the upper ash deposition pressure and temperature, and the reserved initial gap between the dome and the diaphragm sealing ring is reduced, so that the diaphragm sealing ring is directly abraded by the dome in the rotation process, and serious mechanical abrasion is caused.
Disclosure of Invention
The invention aims to: in order to solve the problems, a high-abrasion-resistance spherical airlock valve with a protection mechanism is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high wear-resisting spherical airlock valve with protection mechanism, includes valve body, case, valve body fixedly connected with support, be equipped with the collection sediment case on the support, the valve body passes through bolt fixedly connected with scraper blade casing, set up flutedly in the scraper blade casing, the table wall is equipped with the negative pressure suction head in the recess bottom, the negative pressure suction head passes through conveyer pipe and collection sediment case intercommunication, the scraper blade casing passes through telescopic part and scraper blade swing joint.
As a further description of the above technical solution:
the telescopic component comprises a first shell, a driving motor is arranged on the first shell, a threaded rod is connected to the output end of the driving motor in a transmission mode, and a scraper plate is connected to the threaded rod in a screwing mode.
As a further description of the above technical solution:
the inner surface wall of the top end of the groove is fixedly connected with an air faucet which is communicated with an air pump through an air duct.
As a further description of the above technical solution:
the surface wall fixedly connected with rack in first casing both sides, the scraper blade both sides all articulate have with rack toothing's gear.
As a further description of the above technical solution:
two limiting plates are fixedly connected in the first shell.
As a further description of the above technical solution:
the conveyer pipe runs through the valve body and is equipped with sealed the pad at the conveyer pipe and the junction of valve body.
As a further description of the above technical solution:
the air duct runs through the valve body and is equipped with sealed the pad at the junction of air duct and valve body.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the output end of the driving motor can drive the threaded rod to rotate, so that the scraper plate can move in the horizontal direction to be suitable for cleaning ash powder with different thicknesses, on the basis of the original design, the scraper plate is additionally arranged on the upper part of the dome top to ensure that ash can be cleaned once before the dome top reaches the diaphragm sealing ring in the opening stroke every time, thus ash brought into a gap between the dome top and the diaphragm sealing ring during rotation of the dome top can be greatly reduced, the diaphragm sealing ring is basically not subjected to sliding abrasion, the service life of the diaphragm sealing ring is prolonged, and meanwhile, the phenomenon that damp ash is hardened and hardened on the dome top is eliminated, so that the diaphragm sealing ring is protected, the defect that the diaphragm sealing ring is damaged is eliminated, and the service life of the whole dome.
2. In the invention, the air pump can transmit air through the air guide pipe, so that the air nozzle blows air to maintain normal pressure, the negative pressure suction head is matched with the negative pressure device for use, dust and ash powder can be sucked into the conveying pipe through the negative pressure suction head and transferred into the slag collecting box, and the dust scraped in the valve body can be cleaned.
Drawings
FIG. 1 is a schematic cross-sectional view of a high wear-resistant spherical airlock valve with a protection mechanism according to the present invention;
FIG. 2 is a schematic side sectional view of a high wear-resistant spherical airlock valve with a protection mechanism according to the present invention;
FIG. 3 is an enlarged partial schematic view of the high wear resistance ball lock valve of FIG. 2 with a protective mechanism according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of the telescopic member of the high wear-resistant spherical airlock valve with the protection mechanism according to the present invention;
illustration of the drawings:
1. a valve body; 2. a valve core; 3. a support; 4. a slag collection box; 5. an air pump; 6. a squeegee housing; 7. a squeegee; 8. a bolt; 9. an air duct; 10. a delivery pipe; 11. a negative pressure suction head; 12. an air tap; 13. a telescopic member; 1301. a first housing; 1302. a drive motor; 1303. a threaded rod; 1304. a rack; 1305. a gear; 1306. a limiting plate; 14. a groove; 15. and a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-wear-resistance spherical airlock valve with a protection mechanism comprises a valve body 1 and a valve core 2, wherein the valve body 1 is fixedly connected with a support 3, a slag collecting box 4 is fixedly connected on the support 3, the valve body 1 is fixedly connected with a scraper shell 6 through a bolt 8, a groove 14 is formed in the scraper shell 6, a negative pressure suction head 11 is arranged on the inner surface wall at the bottom end of the groove 14, the negative pressure suction head 11 is matched with a negative pressure device for use, dust and ash powder can be sucked into a conveying pipe 10 and transmitted into the slag collecting box 4 through the negative pressure suction head 11, the negative pressure suction head 11 is communicated with the slag collecting box 4 through the conveying pipe 10, the scraper shell 6 is movably connected with a scraper 7 through a telescopic part 13, the telescopic part 13 comprises a first shell 1301, a driving motor 1302 is arranged on the first shell 1301, the output end of the driving motor 1302 is in transmission connection with a threaded rod, a scraper 7 is, make scraper blade 7 can move on the horizontal direction to the adaptation clears up the ash of different thickness, 6 tip positions in the scraper blade casing can form a complete set and be equipped with distance sensor, controller, surveys the distance transmission through distance sensor and gives the controller, the controller can with driving motor 1302 electric connection, thereby control driving motor 1302 and rotate, make scraper blade 7 remove to suitable distance in order to clear up the dust of different thicknesses.
Specifically, as shown in fig. 1, an air nozzle 12 is fixedly connected to the inner surface wall of the top end of the groove 14, the air nozzle 12 is communicated with the air pump 5 through the air duct 9, the air pump 5 is turned on, and the air pump 5 can transmit air through the air duct 9, so that the air nozzle 12 blows air and maintains normal pressure.
Specifically, as shown in fig. 1, racks 1304 are fixedly connected to the inner surface walls of the two sides of the first housing 1301, gears 1305 meshed with the racks 1304 are hinged to the two sides of the scraper 7, and two limit plates 1306 are fixedly connected to the inside of the first housing 1301, and the limit plates 1306 can prevent the scraper 7 from rotating along with the threaded rod 1303.
Specifically, as shown in fig. 1, the delivery pipe 10 runs through the valve body 1 and is provided with a sealing gasket 15 at the joint of the delivery pipe 10 and the valve body 1, and the air duct 9 runs through the valve body 1 and is provided with a sealing gasket 15 at the joint of the air duct 9 and the valve body 1, so that the sealing effect of the valve body 1 is improved.
The working principle is as follows: when in use, the driving motor 1302 is turned on, the output end of the driving motor 1302 can drive the threaded rod 1303 to rotate, so that the scraper 7 can move in the horizontal direction to be suitable for cleaning ash powder with different thicknesses, on the basis of the original design, the scraper 7 is additionally arranged on the upper part of the dome top to ensure that ash can be cleaned once before the dome top reaches the diaphragm sealing ring in the opening stroke every time, thereby greatly reducing the ash brought into the gap between the dome top and the diaphragm sealing ring during rotation of the dome top, enabling the diaphragm sealing ring not to be subjected to sliding abrasion basically, prolonging the service life of the diaphragm sealing ring, simultaneously eliminating the phenomena that the damp ash is hardened and hardened on the dome top, protecting the diaphragm sealing ring, eliminating the defect that the diaphragm sealing ring is damaged, prolonging the service life of the whole dome valve, and enabling the air pump 5 to transmit air through the air guide tube 9 by opening the dome valve 5, so that the air pump 12, the negative pressure suction head 11 needs to be matched with a negative pressure device for use, and dust and ash can be sucked into the conveying pipe 10 and transferred into the slag collecting box 4 through the negative pressure suction head 11.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a high wear-resisting spherical airlock valve with protection mechanism, includes valve body (1), case (2), its characterized in that, valve body (1) fixedly connected with support (3), be equipped with album sediment case (4) on support (3), valve body (1) is through bolt (8) fixedly connected with scraper blade casing (6), recess (14) have been seted up in scraper blade casing (6), the table wall is equipped with negative pressure suction head (11) in recess (14) bottom, negative pressure suction head (11) are through conveyer pipe (10) and collection sediment case (4) intercommunication, scraper blade casing (6) are through extensible part (13) and scraper blade (7) swing joint.
2. The high-wear-resistance spherical airlock valve with the protection mechanism is characterized in that the telescopic component (13) comprises a first shell (1301), a driving motor (1302) is arranged on the first shell (1301), a threaded rod (1303) is connected to the output end of the driving motor (1302) in a transmission manner, and a scraper (7) is connected to the threaded rod (1303) in a screwing manner.
3. The high-wear-resistance spherical airlock valve with the protection mechanism according to claim 1, wherein an air nozzle (12) is fixedly connected to the inner surface wall of the top end of the groove (14), and the air nozzle (12) is communicated with the air pump (5) through an air duct (9).
4. The high-wear-resistance spherical airlock valve with the protection mechanism according to claim 2, wherein a rack (1304) is fixedly connected to the inner surface wall of each side of the first housing (1301), and a gear (1305) meshed with the rack (1304) is hinged to each side of the scraper (7).
5. The high-wear-resistance spherical airlock valve with the protection mechanism according to claim 2, wherein two limiting plates (1306) are fixedly connected in the first housing (1301).
6. The high-wear-resistance spherical airlock valve with the protection mechanism according to claim 1, characterized in that the delivery pipe (10) penetrates through the valve body (1) and a sealing gasket (15) is arranged at the joint of the delivery pipe (10) and the valve body (1).
7. The high-wear-resistance spherical airlock valve with the protection mechanism according to claim 3, wherein the gas guide tube (9) penetrates through the valve body (1) and a sealing gasket (15) is arranged at the joint of the gas guide tube (9) and the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011455771.1A CN112610713A (en) | 2020-12-10 | 2020-12-10 | High-wear-resistance spherical airlock valve with protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011455771.1A CN112610713A (en) | 2020-12-10 | 2020-12-10 | High-wear-resistance spherical airlock valve with protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112610713A true CN112610713A (en) | 2021-04-06 |
Family
ID=75233183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011455771.1A Pending CN112610713A (en) | 2020-12-10 | 2020-12-10 | High-wear-resistance spherical airlock valve with protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112610713A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001121785A (en) * | 1999-08-18 | 2001-05-08 | Fuji Photo Film Co Ltd | Cleaning apparatus and cleaning method |
| CN201779299U (en) * | 2010-09-15 | 2011-03-30 | 淄博奥通阀业有限公司 | Ball valve with automatic ash scraping device |
| CN204664470U (en) * | 2015-04-10 | 2015-09-23 | 镇江纽普兰气力输送有限公司 | Ball gas-lock valve |
| CN210059069U (en) * | 2019-03-15 | 2020-02-14 | 广东鸿业家具制造有限公司 | Panel ash removal device for furniture production |
| CN210293985U (en) * | 2019-06-05 | 2020-04-10 | 泰安泰美生物科技有限公司 | Scraper moving support of scraper blade fineness meter |
-
2020
- 2020-12-10 CN CN202011455771.1A patent/CN112610713A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001121785A (en) * | 1999-08-18 | 2001-05-08 | Fuji Photo Film Co Ltd | Cleaning apparatus and cleaning method |
| CN201779299U (en) * | 2010-09-15 | 2011-03-30 | 淄博奥通阀业有限公司 | Ball valve with automatic ash scraping device |
| CN204664470U (en) * | 2015-04-10 | 2015-09-23 | 镇江纽普兰气力输送有限公司 | Ball gas-lock valve |
| CN210059069U (en) * | 2019-03-15 | 2020-02-14 | 广东鸿业家具制造有限公司 | Panel ash removal device for furniture production |
| CN210293985U (en) * | 2019-06-05 | 2020-04-10 | 泰安泰美生物科技有限公司 | Scraper moving support of scraper blade fineness meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201428811Y (en) | Double-layered ash discharge valve | |
| CN204512422U (en) | A kind of novel slurry dryer shaft end seal device | |
| CN205401672U (en) | Electric double dynamical for oil -well rig L type transfer case of oil | |
| CN202812245U (en) | Elastic gas sealing butterfly valve for waste heat power generation | |
| CN112610713A (en) | High-wear-resistance spherical airlock valve with protection mechanism | |
| CN109772826A (en) | A kind of pipe cleaner for being exclusively used in removing natural gas line Hydrate Plugging | |
| CN209451641U (en) | Circulating ash batcher drive mechanism | |
| CN112474613A (en) | Inside cleaning device of environmental protection mechanical equipment | |
| CN218329457U (en) | Three-waterway spiral pipe efficient cooling roller | |
| CN207420633U (en) | A kind of steam turbine oil guard | |
| CN111503294A (en) | Coal ash loading and unloading valve of external gasification furnace | |
| CN215446494U (en) | Telescopic steam soot blower | |
| CN206247934U (en) | A kind of integrated hydroecium of pipe heat exchanger on-line cleaning robot | |
| CN111336270A (en) | Pneumatic wear-resistant ceramic rotary slag discharge valve | |
| CN215294953U (en) | Steam soot blower gun barrel | |
| CN211715791U (en) | Flap valve seal structure | |
| CN113154418B (en) | Implementation scheme for transforming wet slag dragging system into dry slag discharging system | |
| CN211449681U (en) | Flap valve housing | |
| CN209646047U (en) | A kind of deduster discharger | |
| CN211897022U (en) | Dust excluding hood of electric arc furnace for steelmaking | |
| CN221591787U (en) | Single-sided multipoint strong-sealing flat valve with self-cleaning function | |
| CN214700752U (en) | Compact screw propulsion type steam soot blowing host device | |
| CN220749290U (en) | Positive pressure type sealing structure of wall box of steam soot blower | |
| CN215175141U (en) | Split copper lining for soot blower | |
| CN214666325U (en) | Boiler exhaust smoke waste heat recovery device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210406 |
|
| RJ01 | Rejection of invention patent application after publication |