CN109667954B - Ball valve capable of preventing coking on surface of ball body - Google Patents
Ball valve capable of preventing coking on surface of ball body Download PDFInfo
- Publication number
- CN109667954B CN109667954B CN201910127651.XA CN201910127651A CN109667954B CN 109667954 B CN109667954 B CN 109667954B CN 201910127651 A CN201910127651 A CN 201910127651A CN 109667954 B CN109667954 B CN 109667954B
- Authority
- CN
- China
- Prior art keywords
- valve
- scraper
- valve body
- worm
- ball
- 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.)
- Active
Links
- 238000004939 coking Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 210000004907 gland Anatomy 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000000571 coke Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention 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
- F16K5/08—Details
-
- 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
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to a ball valve with an anti-coking ball body surface, which is characterized in that: the scraper is arranged in the inner cavity of the valve body and arranged outside the ball body, the scraper is provided with an arc-shaped blade which is matched with the spherical sealing surface and can scrape the surface medium of the spherical sealing surface, the upper end of the scraper is provided with an inner guide hole which forms rotary guide with the lower part of the valve rod, the lower part of the scraper is provided with a locating ring, the locating ring extends into the lower end of the valve body and is matched with the valve body to limit the scraper to move up and down, the adjusting device comprises an adjusting box, a gear rod and a worm, the adjusting box is fixedly arranged at the lower part of the valve body, the gear rod is vertically arranged in the adjusting box, the upper end of the gear rod extends into the locating ring, the rotary gear rod can drive the scraper to rotate by taking the axis of the valve rod as a central line, the worm is horizontally arranged in the middle part of the adjusting box, has the advantages of clean spherical sealing surface and good sealing performance.
Description
Technical Field
The invention relates to a ball valve, in particular to a ball valve with an anti-coking surface.
Background
Present ball valve mainly includes valve body, disk seat, spheroid and goes up the valve stem, and the valve body inner chamber is arranged in to the spheroid, is equipped with in the spheroid can with the communicating runner of valve body inner chamber, and the disk seat is equipped with the disk seat sealed face to can form sealedly with spheroid surface, the spheroid is driven by last valve stem and makes rotary motion around the ball valve axis, the spheroid is used for fluidic opening and closing with the disk seat cooperation, its shortcoming lies in: when the valve uses a medium which has high viscosity and is easy to crystallize or coke, the medium is easy to adhere to the outer surface of the ball, and the sealing surface of the ball and the sealing surface of the valve seat are easy to damage in the opening or closing process, so that leakage is easy to generate, and the service life is short.
Disclosure of Invention
Aiming at the technical defects in the prior art, the invention provides the ball valve with the anti-coking function on the surface of the ball, which can clean the outer surface of the ball, is not easy to leak and has long service life.
The invention is realized by the following technical scheme:
this a spheroid surface anti-coking ball valve includes: valve body, left disk seat, right disk seat, the spheroid, the valve rod, the filler, gland and drive arrangement, valve body middle part upper end is equipped with the gland, the gland is installed in the gland top, the filler is by gland fixed mounting in gland department, the inside interior runner that is equipped with of spheroid and whole arrange the valve body inner chamber in, the valve rod upper end is connected with drive arrangement, the valve rod lower extreme passes downwards and stretches into the valve body inner chamber and be connected with the spheroid after gland and the filler, a left side, right valve seat sets up at the valve body inner chamber and arranges spheroidal left side respectively, the right side, a left side, right valve seat is equipped with a left side respectively, right valve seat sealing face, the spheroid surface is equipped with spherical sealing face, rotatory spheroid can with a left side, right valve seat cooperate: the scraper is arranged in the inner cavity of the valve body and outside the ball body, the scraper is provided with an arc-shaped blade which is matched with the spherical sealing surface and can scrape the surface medium of the spherical sealing surface, the upper end of the scraper is provided with an inner guide hole which forms rotary guide with the lower part of the valve rod, the lower part of the scraper is provided with a positioning ring, the positioning ring extends into the lower end of the valve body and is matched with the valve body to limit the scraper to move up and down, the adjusting device comprises an adjusting box, a gear rod and a worm, the adjusting box is fixedly arranged at the lower part of the valve body, the vertical setting of gear pole is in the regulating box, and in the gear pole upper end stretched into the position circle, rotatory gear pole can drive the scraper and use the valve rod axis to rotate as the central line, and the worm level sets up at the regulating box middle part, and worm one end stretches into in the regulating box and forms the worm gear transmission with the gear pole, and the worm other end stretches out the regulating box outside.
Furthermore, the driving device is a pneumatic driving device, a hydraulic driving device, an electric driving device or a worm wheel driving device.
Furthermore, a hand wheel or a wrench which can drive the worm to rotate is arranged at the end part of the worm extending out of the adjusting box.
Furthermore, a key type connection is formed between the upper end of the gear rod and the positioning ring.
The invention has the advantages that: the scraper can scrape the medium adhered to the sealing surface of the ball body, and has the advantages of good special sealing performance and long service life; the adjusting device has the advantages of being fast and convenient to operate the scraper.
Drawings
FIG. 1 is a schematic structural diagram of a ball valve with anti-coking surfaces according to the present invention.
FIG. 2 is a cross-sectional view E-E of the ball valve with coking prevention on the surface of the ball according to the present invention.
Detailed Description
As can be seen from fig. 1 and 2, the ball valve with anti-coking surface comprises: the valve comprises a valve body 1, a left valve seat 2, a right valve seat 8, a ball body 3, a valve rod 4, a packing 5, a gland 6 and a driving device 7, wherein the upper end of the middle part of the valve body 1 is provided with a packing groove, the gland 6 is arranged above the packing groove, the packing 5 is fixedly arranged at the packing groove by the gland 6, an inner flow passage is arranged inside the ball body 3 and is integrally arranged in the inner cavity of the valve body 1, the upper end of the valve rod 4 is connected with the driving device 7, the lower end of the valve rod 4 downwards penetrates through the gland 6 and the packing 5 and then extends into the inner cavity of the valve body 1 and is connected with the ball body 3, the left valve seat 2 and the right valve seat 8 are arranged in the inner cavity of the valve body 1 and are respectively arranged on the left side and the right side of the ball body 3, the outer surface of the ball body 3 is provided with a spherical sealing surface, the rotary ball body 3 can be matched with the left valve seat, the scraper 9 is provided with an arc-shaped blade which is matched with the spherical sealing surface and can scrape the medium on the surface of the spherical sealing surface, the upper end of the scraper 9 is provided with an inner guide hole which forms rotary guide with the lower part of the valve rod 4, the lower part of the scraper 9 is provided with a positioning ring, the positioning ring extends into the lower end of the valve body 1 and is matched with the valve body 1 to limit the scraper 9 to move up and down, the adjusting device comprises an adjusting box 12, a gear rod 11 and a worm 10, the adjusting box 12 is fixedly arranged at the lower part of the valve body 1, the gear rod 11 is vertically arranged in the adjusting box 12, the upper end of the gear rod 11 extends into the locating ring, the rotating gear rod 11 can drive the scraper to rotate by taking the axis of the valve rod 4 as a central line, the worm 10 is horizontally arranged in the middle of the adjusting box 12, one end of the worm 10 extends into the adjusting box 12 and forms worm and gear transmission with the gear rod 11, the other end of the worm 10 extends out of the adjusting box, the end part of the worm 10 extending out of the adjusting box is provided with a hand wheel or wrench which can drive the worm 10 to rotate.
When the valve uses a medium which is high in viscosity, easy to crystallize or easy to coke, the medium is easy to adhere to the spherical sealing surface, the adjusting device is utilized to drive the scraper to rotate by taking the axis of the valve rod as a central line, the blade scrapes the medium adhering to the spherical sealing surface in the rotating process of the scraper, so that the spherical sealing surface is kept clean, and the spherical sealing surface and the sealing surfaces of the left and right valve seats can not be damaged in the opening or closing process.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A spherical surface anti-coking ball valve comprising: valve body, left disk seat, right disk seat, the spheroid, the valve rod, the filler, gland and drive arrangement, valve body middle part upper end is equipped with the gland, the gland is installed in the gland top, the filler is by gland fixed mounting in gland department, the inside interior runner that is equipped with of spheroid and whole arrange the valve body inner chamber in, the valve rod upper end is connected with drive arrangement, the valve rod lower extreme passes downwards and stretches into the valve body inner chamber and be connected with the spheroid after gland and the filler, a left side, right valve seat sets up at the valve body inner chamber and arranges spheroidal left side respectively, the right side, a left side, right valve seat is equipped with a left side respectively, right valve seat sealing face, the spheroid surface is equipped with spherical sealing face, rotatory spheroid can with a left side, right valve seat cooperate: the scraper is arranged in the inner cavity of the valve body and outside the ball body, the scraper is provided with an arc-shaped blade which is matched with the spherical sealing surface and can scrape the surface medium of the spherical sealing surface, the upper end of the scraper is provided with an inner guide hole which forms rotary guide with the lower part of the valve rod, the lower part of the scraper is provided with a positioning ring, the positioning ring extends into the lower end of the valve body and is matched with the valve body to limit the scraper to move up and down, the adjusting device comprises an adjusting box, a gear rod and a worm, the adjusting box is fixedly arranged at the lower part of the valve body, the vertical setting of gear pole is in the regulating box, and in the gear pole upper end stretched into the position circle, rotatory gear pole can drive the scraper and use the valve rod axis to rotate as the central line, and the worm level sets up at the regulating box middle part, and worm one end stretches into in the regulating box and forms the worm gear transmission with the gear pole, and the worm other end stretches out the regulating box outside.
2. The ball valve of claim 1, wherein: the driving device is a pneumatic driving device or a hydraulic driving device or an electric driving device or a worm gear driving device.
3. The ball valve of claim 1, wherein: and a hand wheel or a wrench which can drive the worm to rotate is arranged at the end part of the worm extending out of the adjusting box.
4. The ball valve of claim 1, wherein: and a key type connection is formed between the upper end of the gear rod and the positioning ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127651.XA CN109667954B (en) | 2019-02-20 | 2019-02-20 | Ball valve capable of preventing coking on surface of ball body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127651.XA CN109667954B (en) | 2019-02-20 | 2019-02-20 | Ball valve capable of preventing coking on surface of ball body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109667954A CN109667954A (en) | 2019-04-23 |
| CN109667954B true CN109667954B (en) | 2020-04-28 |
Family
ID=66152084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910127651.XA Active CN109667954B (en) | 2019-02-20 | 2019-02-20 | Ball valve capable of preventing coking on surface of ball body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109667954B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939741B (en) * | 2019-11-19 | 2021-04-30 | 浙江利百加泵阀科技有限公司 | Butterfly valve without detention |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2451839Y (en) * | 2000-11-24 | 2001-10-03 | 浙江慎江阀门有限公司 | Heavy oil high-temperature ball valve |
| CN202203431U (en) * | 2011-08-01 | 2012-04-25 | 上海开维喜阀门集团有限公司 | Anti-coking ball valve |
| CN203940030U (en) * | 2014-07-04 | 2014-11-12 | 广东明珠流体机械有限公司 | A kind of high-performance elastic metal seal ball valve |
| CN204961893U (en) * | 2015-09-15 | 2016-01-13 | 重庆川仪特种阀门修造有限公司 | Special ball valve of silica flour tail gas |
| CN206723491U (en) * | 2017-04-18 | 2017-12-08 | 上正阀门集团有限公司 | From scale removal metal hard-sealing ball valve |
| CN108036075A (en) * | 2017-12-28 | 2018-05-15 | 江苏盐高阀门制造有限公司 | A kind of ball valve of easy cleaning |
-
2019
- 2019-02-20 CN CN201910127651.XA patent/CN109667954B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109667954A (en) | 2019-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111677882B (en) | Ultra-low temperature stop valve | |
| CN202302067U (en) | Pneumatic wear-resistant ash-discharging ball valve with ash-scraping function | |
| CN109667954B (en) | Ball valve capable of preventing coking on surface of ball body | |
| CN109826974B (en) | V-shaped ball valve | |
| CN205824232U (en) | The pneumatic moushroom valve of reciprocating swing type | |
| CN109681667B (en) | A kind of band scraper ball valve | |
| CN109654248A (en) | A kind of ball valve of the double V-shaped ball of band | |
| CN110748652A (en) | Vacuum die-casting stop valve of hydraulic pump | |
| CN107061751B (en) | A kind of band rotary drag shut-off valve assembly method | |
| CN203471545U (en) | Ball-valve grinder | |
| CN2789520Y (en) | Pneumatic fast cut-off valve | |
| CN213685354U (en) | High platform V-shaped ball valve | |
| CN215172277U (en) | Low-temperature stop valve with non-return function | |
| CN105587872B (en) | Floating spherical cap type angle valve | |
| CN106151572A (en) | High-temp and-pressure ball valve | |
| CN212429786U (en) | Gate valve suitable for silt-containing medium | |
| CN206429693U (en) | Floating ball valve is filled in one kind | |
| CN214888984U (en) | Power-assisted flat valve | |
| CN220706454U (en) | Stop valve | |
| CN209294444U (en) | A kind of moushroom valve with Tetrafluoro spacer | |
| CN210014037U (en) | Cavitation-erosion-preventing flat gate valve | |
| CN211474924U (en) | Non-rising stem gate valve | |
| CN215928415U (en) | Ventilation butterfly valve | |
| CN210372019U (en) | Novel needle valve | |
| CN219317628U (en) | Butterfly valve distributed sealing structure |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200331 Address after: 325103 Dongou Street Industrial Park, Yongjia County, Wenzhou City, Zhejiang Province Applicant after: Wenzhou Fuji Valve Co., Ltd Address before: 325115, Zhejiang, Wenzhou province Yongjia County town of rock head carp Creek Village Applicant before: Zheng Ziye |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |