CN102322538A - Micro-dynamic ash-discharging ball valve - Google Patents
Micro-dynamic ash-discharging ball valve Download PDFInfo
- Publication number
- CN102322538A CN102322538A CN201110285474A CN201110285474A CN102322538A CN 102322538 A CN102322538 A CN 102322538A CN 201110285474 A CN201110285474 A CN 201110285474A CN 201110285474 A CN201110285474 A CN 201110285474A CN 102322538 A CN102322538 A CN 102322538A
- Authority
- CN
- China
- Prior art keywords
- hemisphere
- valve
- bag
- ball valve
- ash
- 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.)
- Granted
Links
Images
Landscapes
- Taps Or Cocks (AREA)
Abstract
The invention discloses a micro-dynamic ash-discharging ball valve belonging to the technical field of valves and aims to provide an ash-discharging ball valve with small opening torque, smooth ash-discharging process, good ash-cleaning effect on the surface of the ball valve and reliable seal. The technical scheme of the invention is as follows: the micro-dynamic ash-discharging ball valve comprises a valve body, a valve rod, a valve seat and a valve cover, and the ball body of the ball valve is a hemisphere; the micro-dynamic ash-discharging ball valve further comprises a hemisphere bracket and a metal bloated bag; the hemisphere bracket is fixedly connected with the valve rod; the bottom surface of the bloated bag is installed on the hemisphere bracket; the bottom surface of the hemisphere is connected with the top surface of the bloated bag to form a closed hollow cavity; the cavity of the bloated bag is communicated with a compressed air pipeline; and a double-sided stainless steel sealing ring is fixed on the valve seat and contacted with the surface of the hemisphere. According to the invention, the structure for fulfilling a seal depending on a constant pressure between the sealing ring and the ball body of the traditional ball valve is changed, and a drive torque in opening and closing processes is greatly reduced; a hard seal with an ash-scraping function has the advantages of excellent resistance to abrasion, temperature resistance and environmental protection adaptability; and multiple effects of labor-saving in transmission, smooth ash-discharging process, natural ash-cleaning effect, reliable seal, and the like are fulfilled.
Description
Technical field
The present invention relates to a kind of Unloading ball valve, belong to valve technology field.
Background technique
Unloading ball valve is a kind of valve that is widely used in industries such as metallurgy, building materials, oil, chemical industry, is indispensable and irreplaceable product in the present commercial production.The major function of Unloading ball valve is the frequent discharging of accomplishing gassiness in the pipeline, containing liquid, be with the dust medium.Requirement for Unloading ball valve is: smooth and easyly when unloading ash do not block, discharge airtight reliable, function-stable after accomplishing, stand rugged environment high temperature, bonding, corrode and wash away, possess reliable sealing performances such as anti-corrosion, wear-resisting, high temperature resistant.
The Unloading ball valve of the most factories of metallurgy industry use at present is the soft sealing structure that stainless steel spheroid and tetrafluoro rubber are processed.Because the mineral aggregate geological environment is complicated, make production waste proterties bonding, and production-scale continuous expansion, particularly environmental protection, industrial hygiene are strict, this material-structure more and more can't satisfy design requirement.The concrete problem that exists comprises:
1. the solid powder viscosity of draining is increasing;
2. it is more and more that import solid powder that mineral aggregate produces receives the contained harmful ion of infringement of seawater salt;
3. the dust of draining contains moisture; Unload in the grey process equipment is produced adhesion; These dirts accumulate over a long period and form the rigid bonding of one deck on the Stainless Steel Ball surface, and irregular dirt is bonded in the valve switch process soft rubber seal ring is caused damage, and the unloading valve door is scrapped because of leakage;
4. Unloading ball valve is in the opening and closing process, because manifold pressure is high, seal pressure is big; It is also big relatively to open moment; This powerful friction not only brings difficulty to manufacturing, and sphere and sealing seat damage are also quite serious, also are insoluble major issues of present this ball valve.
In this case, received and had a strong impact on the working life of Unloading ball valve, and a present Unloading ball valve that the nominal pressure of newly dispatching from the factory is 0.4MPa seldom has period of greater than two months working life, have in addition scrap too early because of bonding causes seal failure.For thoroughly solve that Unloading ball valve faces become big in material viscosity, the material harmful components are many, the sphere bonding is damaged rubber seal and caused leakage and scrap, open moment Da Yi sphere and sealing seat are caused problems such as damage; Existing Unloading ball valve structure is improved very necessity, also is the urgent task of pendulum in face of the technician.
Summary of the invention
Technical problem to be solved by this invention provide a kind of unlatching moment little, unload the ash smooth and easy, the valve body surface ash-removal effect is good, reliable sealing miniature power Unloading ball valve.
The technological scheme that solves the problems of the technologies described above is: a kind of miniature power Unloading ball valve, and it comprises valve body, valve rod, valve seat, valve gap, its improvements are; Its spheroid is a hemisphere, and it also has the hemisphere support and the bag that expands, and the hemisphere support is fixedly connected with valve rod; Bloated bag bottom surface is installed on the hemisphere support, and the bottom surface of hemisphere is connected with the end face of the bag that expands, and the bloated cavity that wraps is connected with compressed air line; On valve seat, be fixed with two-sided stainless steel seal ring, two-sided stainless steel seal ring contacts with hemisphere surface.
Above-mentioned miniature power Unloading ball valve; Said bloated bag is the bloated bag of Structural Hardware; The bottom surface of bloated bag is parallel circular metal plane blind plate with end face, is connected by resilient thin metal cirque between the bottom surface of the bag that expands and the end face, and the two ends up and down that approach metal cirque are welded as a whole with bottom edge and top edge respectively; Form an airtight cavity, on the bottom surface of the bag that expands vent is arranged.
The gas pipeline that being connected expand bag cavity and compressed air line is arranged on the above-mentioned miniature power Unloading ball valve, said hemisphere support and valve rod, and compressed air line is connected with control system.
Above-mentioned miniature power Unloading ball valve, said two-sided stainless steel seal ring is made up of sealed outer ring and sealing inner ring, and two-sided stainless steel seal ring roof anchorage is connected on the valve seat, and the sealing surface angle of inclination and the hemisphere surface of two-sided stainless steel seal ring are complementary.
Usefulness of the present invention is:
The present invention is the Unloading ball valve that promotes unsteady hemisphere sealing with a kind of bloated bag, is characterized on the ball valve runing rest, having the hemisphere that expands and wrap, and two-sided stainless steel seal ring is arranged on the sealing seat, and hemisphere sphere and two-sided stainless steel seal ring are formed hard seal arrangement.
In the present invention; The opening and closing process of valve; Have only the surface friction drag of valve rod self and stuffing box packing and the slight resistance that hemisphere is scraped ash, overcome conventional ball valve and leaned on the structural type of the constant voltage realization sealing between seal ring and spheroid, alleviated the driving torque in the switching process greatly.With DN300 millimeter Unloading ball valve is example, and its driving moment reduces to 450 Ns of present rice by 2000 Ns of original rice, and its driving moment is less than original 1/4th.
The present invention changes into the hard sealing that present band is scraped grey function with original soft seal, and its wear resistance, temperature tolerance and environmental protection adaptability all have the change of essence.
The present invention has realized that transmission is laborsaving, has unloaded multi-efficiencies such as ash is smooth and easy, deashing natural, sealing is reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the structural representation that expands and wrap.
Mark is following among the figure: valve body 1, valve rod 2, gas pipeline 3, hemisphere support 4, the bag 5 that expands, hemisphere 6, valve seat 7, sealing inner ring 8, sealed outer ring 9, valve gap 10, compressed air line 11, bottom surface 12, end face 13, thin metal cirque 14, vent 15.
Embodiment
Show among the figure that miniature power Unloading ball valve of the present invention comprises valve body 1, valve rod 2, valve seat 7, valve gap 10, its spheroid is a hemisphere 6; The bottom of hemisphere 6 is connected with the bag 5 that expands; The bag 5 that expands is fixed on the hemisphere support 4, and hemisphere support 4 is fixedly connected with valve rod 2, and bag 5 cavitys that expand are connected with compressed air line; On valve seat 7, be fixed with two-sided stainless steel seal ring, two-sided stainless steel seal ring contacts with hemisphere 6 surfaces.
Show among the figure; The bag 5 that expands wraps 5 for Structural Hardware expands; The expand bottom surface 12 of bag 5 be parallel circular metal plane blind plate with end face 13, is connected by resilient thin metal cirque 14 between wherein, approaches metal cirque 14 and saves for the V-arrangement elasticity that the bottom is cambered surface; Weld with 12 edges, bottom surface and end face 13 edges respectively at its two ends, on the bottom surface 12 of the bag 5 that expands vent 15 is arranged.After pressurized air fed the cavity of the bag 5 that expands from vent cap 15, pressurized air was exerted pressure to cavity, because the bottom surface 12 of the bag 5 that expands is connected with hemisphere support 4; Can not move, and the end face of the bag 5 that expands is connected with hemisphere 6, is in the lifting state; End face 13 has the possibility that upwards moves, and can produce deformation because the thin metal cirque 14 of connection bottom surface 12 and end face 13 is the elastic metallic ring of V-arrangement this moment; Therefore end face 13 moves up under compressed-air actuated pressure, and the bag 5 that expands expands, with hemisphere 6 jack-up upwards; The two-sided stainless steel seal ring contact that the sphere of hemisphere 6 can be connected with valve seat 7 realizes sealing.
In this process, pressurized air gets into bag 5 cavitys that expand through hemisphere support 4 and gas pipeline 3 on the valve rod 2, and compressed air line 11 is connected with control system, control system issuing command, the compressed-air actuated importing of realization certain pressure and releasing.
Show among the figure; Two-sided stainless steel seal ring is made up of sealing inner ring 8, sealed outer ring 9 two-part; The middle connection, parallel placement, sealing inner ring 8, sealed outer ring 9 angles of inclination and hemisphere 6 surfaces are complementary; Not only can realize sealing, can also carry out deashing and scraping dust, the dirt of hemisphere 6 surface bondings with hemisphere 6.
The course of action of this miniature power ball valve is following:
1. valve open:
The instruction of control gear issue valve open, the Decompression valves of compressed air line is opened, bag 5 pressure releases of expanding, after bag 5 pressure releases of expanding, hemisphere 6 returns break away from two-sided stainless steel seal ring, 2 rotations of drive device drives valve rod, valve unloads ash, until opening fully.During valve open, the bag 5 at first pressure releases of expanding, hemisphere 6 breaks away from the stainless steel seal ring, and pipeline air pressure discharges, owing to do not have surface friction drag between the sealing pair, so driving torque is little.
2. valve closing:
Control gear sends the valve closing instruction, and pressurized air imports, and bag 5 microlitre under the promotion of preset pressure that expands makes hemisphere 6 contact with sealing inner ring 8, and valve rod 2 drives hemisphere 6 reversed turnings, and 8 pairs of hemisphere 6 spheres of sealing inner ring are scraped clearly first.The stainless steel seal ring is removed the surplus ash of hemisphere 6 spheres with the scraper plate form, keeps surface cleaning between the sealing pair.
Hemisphere 6 revolutions put in place, and control system precompressed instruction is constant, and bag 5 pressure that expand are constant, still keep preset low pressure, repeat the valve opening action, carry out scraping the second time ash.
Control gear sends the valve closing instruction, and the bag 5 that expands is still held low pressure, and 8 pairs of spheres of sealing inner ring carry out the 3rd and scrape ash.Close put in place after, the conducting of pressurized air high pressure, the bag 5 that expands is brought about the desired sensation, hemisphere 6 compresses with stainless steel sealing inner ring 8, sealed outer ring 9, pipeline pressure rises to normal pressure, valve closing is accomplished.
Claims (4)
1. miniature power Unloading ball valve; It comprises valve body (1), valve rod (2), valve seat (7), valve gap (10), it is characterized in that: its ball valve is hemisphere (6), and it also has hemisphere support (4) and the bag (5) that expands; Hemisphere support (4) is fixedly connected with valve rod (2); Bloated bag (5) bottom surface (12) is installed on the hemisphere support (4), and the bottom surface of hemisphere (6) is connected with the end face (13) of the bag (5) that expands, and bloated (5) cavity that wraps is connected with compressed air line; On valve seat (7), be fixed with two-sided stainless steel seal ring, the double-layer stainless steel seal ring contacts with hemisphere (6) surface.
2. miniature power Unloading ball valve according to claim 1; It is characterized in that: said bloated bag (5) wraps for Structural Hardware expands; The bottom surface (12) of bloated bag (5) is parallel circular metal plane blind plate with end face (13); Connect by resilient thin metal cirque (14) between the bottom surface (12) of bloated bag (5) and the end face (13); The two ends up and down of thin metal cirque (14) are welded as a whole with (12) edge, bottom surface and end face (13) edge respectively, form an airtight cavity, on the bottom surface (12) of the bag (5) that expands vent (15) are arranged.
3. miniature power Unloading ball valve according to claim 1 and 2; It is characterized in that: the gas pipeline (3) that being connected expand bag (5) cavity and compressed air line is arranged on said hemisphere support (4) and the valve rod (2), and compressed air line is connected with control gear with control valve.
4. miniature power Unloading ball valve according to claim 3; It is characterized in that: said two-sided stainless steel seal ring is made up of sealed outer ring (9) and sealing inner ring (8); Sealed outer ring (9) and the sealing parallel placement of inner ring (8) and being connected; The roof anchorage of sealed outer ring (9) and sealing inner ring (8) is connected on the valve seat (7), and the sealing surface angle of inclination and hemisphere (6) surface of sealed outer ring (9) and sealing inner ring (8) are complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110285474 CN102322538B (en) | 2011-09-23 | 2011-09-23 | Micro-dynamic ash-discharging ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110285474 CN102322538B (en) | 2011-09-23 | 2011-09-23 | Micro-dynamic ash-discharging ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102322538A true CN102322538A (en) | 2012-01-18 |
| CN102322538B CN102322538B (en) | 2012-12-12 |
Family
ID=45450338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110285474 Active CN102322538B (en) | 2011-09-23 | 2011-09-23 | Micro-dynamic ash-discharging ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102322538B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609174A (en) * | 2020-04-24 | 2020-09-01 | 杨皓然 | Three-way ball valve |
| CN112762192A (en) * | 2021-01-26 | 2021-05-07 | 常州亚泓环保科技有限公司 | Jacking high-pressure type sealing dome valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2353977Y (en) * | 1998-12-11 | 1999-12-15 | 石家庄市阀门三厂 | Unloading valve |
| US6047952A (en) * | 1998-07-14 | 2000-04-11 | Hale Products, Inc. | Ball valve assembly |
| JP2002005314A (en) * | 2000-06-20 | 2002-01-09 | Kyosei:Kk | Seat structure for ball valve |
| CN201121730Y (en) * | 2007-12-03 | 2008-09-24 | 江苏神通阀门股份有限公司 | Necked-in ash-removing ball valve |
| CN202252082U (en) * | 2011-09-23 | 2012-05-30 | 石家庄市长宏阀门有限公司 | Oligodynamic ash discharging ball valve |
-
2011
- 2011-09-23 CN CN 201110285474 patent/CN102322538B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6047952A (en) * | 1998-07-14 | 2000-04-11 | Hale Products, Inc. | Ball valve assembly |
| CN2353977Y (en) * | 1998-12-11 | 1999-12-15 | 石家庄市阀门三厂 | Unloading valve |
| JP2002005314A (en) * | 2000-06-20 | 2002-01-09 | Kyosei:Kk | Seat structure for ball valve |
| CN201121730Y (en) * | 2007-12-03 | 2008-09-24 | 江苏神通阀门股份有限公司 | Necked-in ash-removing ball valve |
| CN202252082U (en) * | 2011-09-23 | 2012-05-30 | 石家庄市长宏阀门有限公司 | Oligodynamic ash discharging ball valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609174A (en) * | 2020-04-24 | 2020-09-01 | 杨皓然 | Three-way ball valve |
| CN111609174B (en) * | 2020-04-24 | 2022-01-04 | 剑桥阀业集团有限公司 | Three-way ball valve |
| CN112762192A (en) * | 2021-01-26 | 2021-05-07 | 常州亚泓环保科技有限公司 | Jacking high-pressure type sealing dome valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102322538B (en) | 2012-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019011345A1 (en) | Novel dual-sealing dome valve | |
| CN102322538B (en) | Micro-dynamic ash-discharging ball valve | |
| CN202252082U (en) | Oligodynamic ash discharging ball valve | |
| CN101493151A (en) | Gasproof damper valve | |
| CN203906889U (en) | Compression type air bag sealing double-layer ash discharging valve | |
| CN204042021U (en) | A kind of board-like Wear-resistant double-layered unloading valve | |
| CN202402687U (en) | Large-caliber floating ball valve | |
| CN211624267U (en) | Side-mounted hemispherical valve | |
| CN103161969A (en) | Floating sealing environment-friendly push-and-pull valve | |
| CN101082379A (en) | Dynamoelectric welding type metallic double seals butterfly valve | |
| CN206723491U (en) | From scale removal metal hard-sealing ball valve | |
| CN103322230B (en) | pipeline valve | |
| CN203189768U (en) | Floating sealing environment-friendly type push-and-pull valve | |
| CN2594572Y (en) | High-pressure ball valves | |
| CN202510729U (en) | Special fluoroplastic full-lining butterfly valve for chlor-alkali | |
| CN206206638U (en) | A kind of oscillatory valve | |
| CN201475475U (en) | Quick release valve | |
| CN202165620U (en) | Double-layer cinder valve with external bearing seats | |
| CN217108301U (en) | Double-eccentric half ball valve | |
| CN201013925Y (en) | Double-layer cindervalve | |
| CN201836408U (en) | Variable offset hard sealing butterfly valve | |
| CN201593625U (en) | Rotary ceramic wear-resistant three-way switching valve | |
| CN101725732A (en) | High-performance soft seal high-pressure ball valve | |
| CN204004503U (en) | A kind of long-distance transport pipes plate valve | |
| CN111140661A (en) | Double-layer elastic all-metal sealing structure for high-temperature-resistant valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181219 Address after: 050600 Economic Development Zone of Xingtang County, Shijiazhuang City, Hebei Province Patentee after: HEBEI CHANGHONG VALVE CO., LTD. Address before: 050061 No. 238 North Second Ring West Road, Shijiazhuang City, Hebei Province Patentee before: Shijiazhuang Changhong Valve Co., Ltd. |