CN103672014A - T-shaped elastic valve seat sealing structure of V-shaped adjusting ball valve - Google Patents
T-shaped elastic valve seat sealing structure of V-shaped adjusting ball valve Download PDFInfo
- Publication number
- CN103672014A CN103672014A CN201310633786.6A CN201310633786A CN103672014A CN 103672014 A CN103672014 A CN 103672014A CN 201310633786 A CN201310633786 A CN 201310633786A CN 103672014 A CN103672014 A CN 103672014A
- Authority
- CN
- China
- Prior art keywords
- ring
- shaped elastic
- valve
- elastic seat
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 25
- 239000010439 graphite Substances 0.000 claims description 25
- 238000012856 packing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 11
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 241000283690 Bos taurus Species 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 229910001026 inconel Inorganic materials 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to a T-shaped elastic valve seat sealing structure of a V-shaped adjusting ball valve. The T-shaped elastic valve seat sealing structure comprises a valve body, a pressing ring, a supporting rind, a first metal graphite ring, a T-shaped elastic valve seat, a second metal sealing ring and a valve ball, the T-shaped elastic valve seat is mounted between a second metal graphite ring and a first metal sealing ring, the supporting ring and the pressing ring are sequentially mounted on the valve body laterally, the pressing ring presses the supporting ring tightly to enable the T-shaped elastic valve seat and the valve ball to be matched to form a sealing pair, the second metal graphite ring is mounted in a step hole of the valve body, and the first metal graphite ring is mounted on a step shaft of the supporting ring to form an axial sealing structure. Invalid sealing caused by displacement and coming-off of the graphite rings can be avoided even if the T-shaped elastic valve seat sealing structure works for a long term under a pressed state; the T-shaped elastic valve seat sealing structure can fit with a sealing face of the valve ball by utilizing own elasticity, so that spherical wear is reduced; working stability of the V-shaped adjusting ball valve at high temperature can be improved, and safe and efficiency running of the V-shaped adjusting ball valve is guaranteed.
Description
Technical field
The present invention relates to a kind of V-type and regulate the T-shaped elastic seat sealing configuration of ball valve, can realize valve effective stabilized seal at high temperature, belong to instrument control technique field.
Background technique
V-type regulates ball valve owing to can forming effective shear action between its valve seat and valve ball, the very applicable industrial control occasions such as papermaking under mesolow operating mode, chemical industry, metallurgy that are applied to, are specially adapted to the fluid of suspended particulate and the automatic adjustings of dense, turbid slurry flow body medium such as paper pulp in slurrying, paper production process, plain boiled water, black liquor, white liquid.
In current prior art, V-type regulates the valve seat construction of ball valve conventionally to adopt wavy spring or butterfly spring compensation, O type circle or graphite annulus sealing configuration; In the structure of wavy spring compensation, the pretightening force of wavy spring can change because of the variation of trim ring pad amount of deformation, causes the working depth of wavy spring wayward, causes valve shaft to unbalance stress; And butterfly spring is owing to itself having larger active force, use the V-type in underload operating mode to regulate on ball valve, the as easy as rolling off a log impaired valve seat that even pushes of Sealing that causes because thrust is excessive causes valve ball micro-deformation.The sealing of O type circle is that V-type regulates the most general structure of ball valve, but due to the narrow limitation of O type circle material, conventionally can only, for the occasion of-25-200 °, in the occasion that temperature is higher, use graphite annulus sealing configuration, but the easy compressive deformation of traditional graphite annulus, turnover rate is frequent.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, for solving traditional V-type, regulate the drawback of ball seat sealing configuration, provide a kind of V-type to regulate the T-shaped elastic seat sealing configuration of ball valve, be intended to improve the working stability under the high temperature that V-type regulates ball valve, assurance device safety, operation efficiently.
According to technological scheme provided by the invention, V-type regulates the T-shaped elastic seat sealing configuration of ball valve to comprise valve body, trim ring, support ring, the first metallic graphite carbon ring, T-shaped elastic seat, the second metallic packing ring and valve ball; Described T-shaped elastic seat is arranged between the second metallic graphite carbon ring and the first metallic packing ring, and described support ring, trim ring successively side direction are installed on to valve body; Trim ring compresses support ring, T-shaped elastic seat is coordinated with valve ball and form sealing pair; Described the second metallic graphite carbon ring is installed in valve body step hole, and the first metallic graphite carbon ring is installed on support ring Step Shaft, forms axial seal structure.
As a further improvement on the present invention, described T-shaped elastic seat adopts the impact briquetting of Inconel high elastic modulus material.
As a further improvement on the present invention, described valve body is provided with step hole; Described valve body step hole is provided with pad prepackage space.
As a further improvement on the present invention, described the first metallic packing ring and the second metallic graphite carbon ring adopt respectively metal nickel wire composite Seiko braiding structure.
As a further improvement on the present invention, described support ring is provided with Step Shaft; Described support ring Step Shaft is provided with pad prepackage space.
Compared with the prior art the present invention has the following advantages:
1, adopt the second metallic graphite carbon ring to be installed in valve body step hole, the first metallic graphite carbon ring is installed on the axial seal structure on support ring Step Shaft, even long-term work can not make graphite annulus generation displacement deviate to cause seal failure yet under pressured state.
2, the T-shaped elastic seat that adopts the punching press of Inconel material to make, can utilize himself elasticity laminating valve ball sealing surface, reduces sphere abrasion; And can be used in 250 ° of-500 ° of operating mode occasions.
3, first, second metallic graphite carbon ring adopts metal nickel wire composite Seiko braiding structure, can guarantee its sealing reliability at high temperature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of T-shaped elastic seat.
Fig. 3 is that the A of Fig. 2 is to schematic diagram.
Embodiment
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Figure 1: V-type regulates the T-shaped elastic seat sealing configuration of ball valve; Comprise that the parts such as valve body 1, trim ring 2, support ring 3, the first metallic graphite carbon ring 4, T-shaped elastic seat 5, the second metallic packing ring 6, valve ball 7 form.
Between described T-shaped elastic seat 5 installations and the second metallic graphite carbon ring 6 and the first metallic packing ring 4, described support ring 3, trim ring 2 successively side direction are installed on to valve body 1; Trim ring 2 compresses support ring 3, T-shaped elastic seat 5 is coordinated with valve ball 7 and form sealing pair.The elastic force that T-shaped elastic seat 5 has due to itself, can play bidirectional compensating loading effect; Described the second metallic graphite carbon ring 6 is installed in valve body 1 step hole, and the first metallic graphite carbon ring 4 is installed on support ring 3 Step Shafts, forms axial seal structure.
Working principle of the present invention: when valve is in running order, support ring 3 is subject to the pretightening force of trim ring 2 and pushes T-shaped elastic seat 5 generation elastic potential energys to, makes T-shaped elastic seat 5 and valve ball 7 form tight seals.The second metallic graphite carbon ring 6 and the first metallic graphite carbon ring 4 are subject to micro-elastic force of T-shaped elastic seat, can guarantee that graphite annulus is not subject to unidirectionally extruded and the distortion of losing efficacy improves valve shaft to sealability.
The present invention's long-term work under pressured state can not make graphite annulus generation displacement deviate to cause seal failure yet; The elasticity laminating valve ball sealing surface that can utilize himself, reduces sphere abrasion; Can improve the working stability under the high temperature that V-type regulates ball valve, assurance device safety, operation efficiently.
Claims (5)
1. V-type regulates the T-shaped elastic seat sealing configuration of ball valve, comprises valve body 1, it is characterized in that: also comprise trim ring (2), support ring (3), the first metallic graphite carbon ring (4), elastic seat (5), the second metallic packing ring (6) and valve ball (7); Described elastic seat (5) is arranged between the second metallic graphite carbon ring (6) and the first metallic packing ring (4), and described support ring (3), trim ring (2) successively side direction are installed in valve body (1); Trim ring (2) compresses support ring (3), elastic seat (5) is coordinated with valve ball (7) and form sealing pair; Described the second metallic graphite carbon ring (6) is installed in the step hole of valve body (1), and the first metallic graphite carbon ring (4) is installed on the Step Shaft of support ring (3), forms axial seal structure.
2. V-type as claimed in claim 1 regulates the T-shaped elastic seat sealing configuration of ball valve, it is characterized in that:
Described elastic seat (5) is T-shaped elastic seat, and described elastic seat (5) adopts the impact briquetting of high elastic modulus material.
3. V-type as claimed in claim 1 regulates the T-shaped elastic seat sealing configuration of ball valve, it is characterized in that:
Described valve body (1) is provided with step hole.
4. V-type as claimed in claim 1 regulates the T-shaped elastic seat sealing configuration of ball valve, it is characterized in that:
Described the first metallic packing ring (4) adopts respectively metal nickel wire composite braiding structure with the second metallic graphite carbon ring (6).
5. V-type as claimed in claim 1 regulates the T-shaped elastic seat sealing configuration of ball valve, it is characterized in that:
Described support ring (3) is provided with Step Shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633786.6A CN103672014B (en) | 2013-11-30 | 2013-11-30 | The V-type regulation T-shaped elastic seat of ball valve seals structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633786.6A CN103672014B (en) | 2013-11-30 | 2013-11-30 | The V-type regulation T-shaped elastic seat of ball valve seals structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103672014A true CN103672014A (en) | 2014-03-26 |
| CN103672014B CN103672014B (en) | 2017-01-04 |
Family
ID=50310421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310633786.6A Active CN103672014B (en) | 2013-11-30 | 2013-11-30 | The V-type regulation T-shaped elastic seat of ball valve seals structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103672014B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000051923A1 (en) * | 1999-03-03 | 2000-09-08 | Charles Deprat | Ball valve for controlling throughput on pulverulent or granulated products |
| CN2459492Y (en) * | 2001-01-03 | 2001-11-14 | 吴忠仪表股份有限公司 | Metal hard seal ball valve |
| CN203051797U (en) * | 2013-01-10 | 2013-07-10 | 淄博汇华阀业有限公司 | Self-adaption elastic valve seat varying with pressure |
-
2013
- 2013-11-30 CN CN201310633786.6A patent/CN103672014B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000051923A1 (en) * | 1999-03-03 | 2000-09-08 | Charles Deprat | Ball valve for controlling throughput on pulverulent or granulated products |
| CN2459492Y (en) * | 2001-01-03 | 2001-11-14 | 吴忠仪表股份有限公司 | Metal hard seal ball valve |
| CN203051797U (en) * | 2013-01-10 | 2013-07-10 | 淄博汇华阀业有限公司 | Self-adaption elastic valve seat varying with pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103672014B (en) | 2017-01-04 |
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| PB01 | 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 |