CN103672014B - The V-type regulation T-shaped elastic seat of ball valve seals structure - Google Patents
The V-type regulation T-shaped elastic seat of ball valve seals structure Download PDFInfo
- Publication number
- CN103672014B CN103672014B CN201310633786.6A CN201310633786A CN103672014B CN 103672014 B CN103672014 B CN 103672014B CN 201310633786 A CN201310633786 A CN 201310633786A CN 103672014 B CN103672014 B CN 103672014B
- Authority
- CN
- China
- Prior art keywords
- ring
- graphite carbon
- elastic seat
- valve
- shaped elastic
- 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
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 38
- 239000010439 graphite Substances 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract 2
- 230000006872 improvement Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910001026 inconel Inorganic materials 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 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
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
-
- 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 present invention relates to a kind of V-type regulation T-shaped elastic seat of ball valve and seal structure, it includes 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, is mounted laterally described support ring, trim ring in valve body successively；Trim ring compresses support ring, makes T-shaped elastic seat and valve ball cooperatively form sealing pair；Described second metallic graphite carbon ring is installed in valve body stepped hole, and the first metallic graphite carbon ring is installed on support ring Step Shaft, forms axial seal structure.Present invention long-term work in a compressed state also will not make graphite annulus generation displacement abjection cause seal failure；The elastic fit valve ball sealing surface of himself can be utilized, reduce sphere abrasion；The job stability under the high temperature of V-type regulation ball valve can be improved, it is ensured that equipment safety, run efficiently.
Description
Technical field
The present invention relates to a kind of V-type regulation T-shaped elastic seat of ball valve and seal structure, valve effective stabilized seal at high temperature can be realized, belong to instrument and control technical field.
Background technology
V-type regulation ball valve is owing to can form effective shear action between its valve seat and valve ball, it is very suitable for being applied to the Industry Control occasions such as papermaking under mesolow operating mode, chemical industry, metallurgy, is particularly well-suited to the fluid of particle and being automatically adjusted of pulpous state fluid media (medium) dense, turbid such as the paper pulp in slurrying, paper making process, plain boiled water, black liquor, white liquor.
In current prior art, the valve seat construction of V-type regulation ball valve generally uses wavy spring or butterfly spring compensation, O or graphite annulus to seal structure；In the structure that wavy spring compensates, the pretightning force of wavy spring can change because of the change of trim ring pad deflection, and the working depth causing wavy spring is wayward, causes the axial unbalance stress of valve；And butterfly spring is owing to itself having bigger active force, use the V-type in underload operating mode to regulate on ball valve, as easy as rolling off a log cause because thrust is excessive sealing member impaired even extruding valve seat to cause valve ball micro-deformation.O sealing is the structure that V-type regulation ball valve is the most universal, but due to the limitation of O material, can typically be only used to the occasion of-25 200 °, then use graphite annulus to seal structure in the higher occasion of temperature, but the easy compressive deformation of traditional graphite annulus, turnover rate is frequent.
Summary of the invention
It is an object of the invention to overcome above-mentioned weak point, the drawback of structure is sealed for solving tradition V-type regulation ball seat, a kind of V-type regulation T-shaped elastic seat of ball valve is provided to seal structure, it is intended to improve the job stability under the high temperature of V-type regulation ball valve, it is ensured that equipment safety, to run efficiently.
The technical scheme provided according to the present invention, the V-type regulation T-shaped elastic seat of ball valve seals structure and includes valve body, trim ring, support ring, the first metallic graphite carbon ring, T-shaped elastic seat, the second metallic graphite carbon ring and valve ball；Described T-shaped elastic seat is arranged between the second metallic graphite carbon ring and the first metallic graphite carbon ring, is mounted laterally described support ring, trim ring in valve body successively；Trim ring compresses support ring, makes T-shaped elastic seat and valve ball cooperatively form sealing pair；Described second metallic graphite carbon ring is installed in valve body stepped 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 uses Inconel high elastic modulus material punch forming.
As a further improvement on the present invention, described valve body is provided with stepped hole；Described valve body stepped hole is provided with pad prepackage space.
As a further improvement on the present invention, described first metallic graphite carbon ring and the second metallic graphite carbon ring are respectively adopted 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 advantage that
1, using the second metallic graphite carbon ring to be installed in valve body stepped hole, the first metallic graphite carbon ring is installed on the axial seal structure on support ring Step Shaft, even if long-term work also will not make graphite annulus generation displacement abjection cause seal failure in a compressed state.
2, the T-shaped elastic seat using Inconel material punching press to make, can utilize the elastic fit valve ball sealing surface of himself, reduces sphere abrasion；And 250 ° of 500 ° of operating mode occasions can be used in.
3, first, second metallic graphite carbon ring uses metal nickel wire composite Seiko braiding structure, it is ensured that its sealing reliability at high temperature.
Accompanying drawing explanation
Fig. 1 is the 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.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Figure 1: the V-type regulation T-shaped elastic seat of ball valve seals structure；The part composition such as including valve body 1, trim ring 2, support ring the 3, first metallic graphite carbon ring 4, T-shaped elastic seat the 5, second metallic graphite carbon ring 6, valve ball 7.
Described T-shaped elastic seat 5 is arranged between the second metallic graphite carbon ring 6 and the first metallic graphite carbon ring 4, described support ring 3, trim ring 2 are mounted laterally successively in valve body 1；Trim ring 2 compresses support ring 3, makes T-shaped elastic seat 5 cooperatively form sealing pair with valve ball 7.The elastic force that T-shaped elastic seat 5 has due to itself, can play bidirectional compensating loading effect；Described second metallic graphite carbon ring 6 is installed in valve body 1 stepped hole, and the first metallic graphite carbon ring 4 is installed on support ring 3 Step Shaft, forms axial seal structure.
The operation principle of the present invention: when valve is in running order, support ring 3 is pushed to T-shaped elastic seat 5 by the pretightning force of trim ring 2 and is produced elastic potential energy, makes T-shaped elastic seat 5 form tight seal with valve ball 7.Second metallic graphite carbon ring 6 and the first metallic graphite carbon ring 4 are by micro-elastic force of T-shaped elastic seat, it can be ensured that graphite annulus by unidirectionally extruded and deformation of losing efficacy, does not improves the axial sealing property of valve.
Present invention long-term work in a compressed state also will not make graphite annulus generation displacement abjection cause seal failure；The elastic fit valve ball sealing surface of himself can be utilized, reduce sphere abrasion；The job stability under the high temperature of V-type regulation ball valve can be improved, it is ensured that equipment safety, run efficiently.
Claims (1)
1. the V-type regulation T-shaped elastic seat of ball valve seals structure, including valve body (1), trim ring (2), support ring (3), elastic seat (5) and valve ball (7)；Described support ring (3), trim ring (2) are mounted laterally successively in valve body (1)；Trim ring (2) compresses support ring (3), makes elastic seat (5) and valve ball (7) cooperatively form sealing pair；
It is characterized in that: also include the first metallic graphite carbon ring (4) and the second metallic graphite carbon ring (6)；Described elastic seat (5) is arranged between the second metallic graphite carbon ring (6) and the first metallic graphite carbon ring (4), and described valve body (1) is provided with stepped hole, and described second metallic graphite carbon ring (6) is installed in the stepped hole of valve body (1)；Described support ring (3) is provided with Step Shaft；First metallic graphite carbon ring (4) is installed on the Step Shaft of support ring (3), forms axial seal structure；Described elastic seat (5) is T-shaped elastic seat；
Described elastic seat (5) uses high elastic modulus material punch forming；Described first metallic graphite carbon ring (4) and the second metallic graphite carbon ring (6) are respectively adopted metal nickel wire composite braiding structure.
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 CN103672014A (en) | 2014-03-26 |
| CN103672014B true 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2790532B1 (en) * | 1999-03-03 | 2001-05-04 | Charles Deprat | SPHERICAL TURN VALVE FOR FLOW CONTROL ON PULVERULENT OR GRANULATED PRODUCTS |
-
2013
- 2013-11-30 CN CN201310633786.6A patent/CN103672014B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|---|
| CN103672014A (en) | 2014-03-26 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |