CN108953659A - A kind of high-temperature and high-presure resistent ball valve - Google Patents
A kind of high-temperature and high-presure resistent ball valve Download PDFInfo
- Publication number
- CN108953659A CN108953659A CN201810978233.7A CN201810978233A CN108953659A CN 108953659 A CN108953659 A CN 108953659A CN 201810978233 A CN201810978233 A CN 201810978233A CN 108953659 A CN108953659 A CN 108953659A
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- Prior art keywords
- valve
- sphere
- metal
- temperature
- ring
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- 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
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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
- F16K5/0626—Easy mounting or dismounting means
- F16K5/0636—Easy mounting or dismounting means the spherical plug being insertable from the top of the housing
-
- 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
- F16K5/0647—Spindles or actuating means
-
- 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
- F16K5/0663—Packings
- F16K5/0673—Composite packings
-
- 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
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and 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
- 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
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
-
- 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
- F16K5/204—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the plugs or parts of the plugs mechanically pressing the seals against the housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/02—Carrying-off electrostatic charges by means of earthing connections
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The present invention relates to a kind of high-temperature and high-presure resistent ball valves, belong to valve arrangement technical field.The high-temperature and high-presure resistent ball valve, including valve body, rubber seal, metal o-ring, sphere, valve rod and valve seat, medium channel and the first valve stem passage are equipped in valve body, medium channel and the intersection of the first valve stem passage are equipped with sphere placed cavity, metal o-ring is equipped in sphere placed cavity, sphere is spindle rotationally arranged between metal o-ring；Valve seat is arranged in valve body upper end, and valve seat is vertically arranged with the second valve stem passage, and valve rod sequentially passes through the second valve stem passage and the first valve stem passage and the upper end of sphere is affixed；It is formed with convex shoulder in the middle part of valve rod, compressed spring is provided between sphere and convex shoulder.High-temperature and high-presure resistent ball valve of the invention is equipped with metal o-ring between sphere and valve seat, after unexpected fire valve seat scaling loss, metal o-ring, which is pressed on sphere, plays sealing function, it is ensured that the safety of system, major accident is prevented, the high temperature resistant and fire protecting performance of the ball valve are effectively increased.
Description
Technical field
The present invention relates to a kind of high-temperature and high-presure resistent ball valves, belong to valve arrangement technical field.
Background technique
Ball valve is a kind of valve that opening and closing element is driven by valve rod, and rotated around ball valve axis, also can be used for fluid
Adjusting and control, wherein having between sealing its V type core of V type ball valve and the metal seat valve of pile-up welding hard alloy firmly very strong
Shearing force, the medium especially suitable for fibre-bearing, small solid pellet etc.；And multi-pass ball valve not only can be controlled flexibly on pipeline
The interflow of medium processed, the switching for shunting and flowing to, while any channel can also be closed and other two channel is made to be connected.
Ball valve be in daily life and industrial production in common component, in use, being driven by operation handle by valve rod
Valve core rotation, realizes the opening and closing of valve, however exist in use cannot problem resistant to high temperature for existing valve.
Summary of the invention
The technical problem to be solved by the present invention is to, in view of the shortcomings of the prior art, propose it is a kind of can good resistance to of high temperature resistance
The ball valve of high temperature and pressure.
The technical solution that the present invention proposes to solve above-mentioned technical problem is: a kind of high-temperature and high-presure resistent ball valve, including valve
Body, rubber seal, metal o-ring, sphere, valve rod and valve seat, valve body is interior to be equipped with horizontally disposed medium channel and sets vertically
The intersection of the first valve stem passage set, medium channel and the first valve stem passage is equipped with sphere placed cavity, in sphere placed cavity on
Under be symmetrically arranged with metal o-ring, rubber seal is provided between metal o-ring and valve body, sphere can be along own axes water
The dynamic setting of flat turn is between upper and lower two metal o-rings；Valve seat is arranged in valve body upper end, and valve seat is vertically arranged with the second valve
Bar channel, the first valve stem passage and the second valve stem passage are interconnected, and valve rod sequentially passes through the second valve stem passage and the first valve rod
Channel and the upper end of sphere are affixed；It is formed with convex shoulder at valve seat lower end surface in the middle part of valve rod, pressure is provided between sphere and convex shoulder
Contracting spring.
The improvement of above-mentioned technical proposal is: sphere upper and lower ends and metal o-ring corresponding position are provided with the first inclined-plane, on
It is oblique by first that lower two metal o-rings and sphere corresponding position are provided with the second inclined-plane, sphere and upper and lower two metal o-rings
Face and the second inclined-plane mutually abut formation sealing.
The improvement of above-mentioned technical proposal is: being provided with gasket seal between the convex shoulder upper end of valve rod and valve seat.
The improvement of above-mentioned technical proposal is: the gap between valve rod and valve seat upper end is filled with filler, the setting of filler upper end
There is Packing seat.
The improvement of above-mentioned technical proposal is: graphite wound gasket piece is provided between valve body and valve seat.
The improvement of above-mentioned technical proposal is: the upper end of valve rod is connected with handle.
The improvement of above-mentioned technical proposal is: level offers columned transition passage in the middle part of sphere.
The beneficial effect of the present invention by adopting the above technical scheme is:
(1) high-temperature and high-presure resistent ball valve of the invention is provided with metal o-ring, unexpected fire valve seat between sphere and valve seat
After scaling loss, metal o-ring, which is pressed on sphere, plays sealing function, it is ensured that the safety of system prevents major accident, effectively
Improve the high temperature resistant and fire protecting performance of the ball valve；
(2) compressed spring on the sphere top of high-temperature and high-presure resistent ball valve of the invention can generate sphere with valve seat friction quiet
Electricity is set after conducting wire and imports underground by conducting wire, prevents the spark generated by electrostatic from lighting inflammable and explosive medium, guarantees system
Safety；
(3) the valve rod convex shoulder structure of high-temperature and high-presure resistent ball valve of the invention can anticreep in turn ensure sealing performance, valve rod
Lower end is equipped with convex shoulder, can prevent valve rod from deviating from when valve body internal pressure increases extremely；Medium power in compressed spring and ball valve
Under effect, the convex shoulder of valve rod compresses gasket seal, sealing effect in formation；
(4) sphere of high-temperature and high-presure resistent ball valve of the invention and metal o-ring are respectively arranged with the first inclined-plane and the of wedge shape
Two inclined-planes, metal o-ring is fitted closely with sphere under the action of the elastic force of compressed spring, forms reliable sealing；
(5) high-temperature and high-presure resistent ball valve of the invention, the compression of valve seat planes, at the pretightning force of compressed spring and Packing seat
Pressing force realize sealing, alleviate the power that opens and closes of valve, valve need only tear upper valve seat open using formula structure is filled on the whole
It opens, can be taken off whole parts in valve body, both convenient for the maintenance and replacement of valve.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the structural schematic diagram of the high-temperature and high-presure resistent ball valve of the embodiment of the present invention；
Wherein: 1- valve body, 2- rubber seal, 3- metal o-ring, 4- sphere, 5- valve rod, 6- compressed spring, 7- valve seat, 8-
Gasket seal, 9- filler, 10- Packing seat, 11- handle, 12- graphite wound gasket piece, 13- convex shoulder.
Specific embodiment
Embodiment
The high-temperature and high-presure resistent ball valve of the present embodiment, as shown in Figure 1, including valve body 1, rubber seal 2, metal o-ring
3, sphere 4, valve rod 5 and valve seat 7, valve body 1 is interior equipped with horizontally disposed medium channel and the first valve stem passage being vertically arranged, and is situated between
The intersection of matter channel and the first valve stem passage is equipped with sphere placed cavity, symmetrical above and below in sphere placed cavity to be equipped with metal o-ring
3, rubber seal 2 is provided between metal o-ring 3 and valve body 1, sphere 4 can be along the setting that own axes horizontally rotate upper
Between lower two metal o-rings 3；Valve seat 7 is arranged in 1 upper end of valve body, and valve seat 7 is vertically arranged with the second valve stem passage, the first valve
Bar channel and the second valve stem passage are interconnected, and valve rod 5 sequentially passes through the second valve stem passage and the first valve stem passage and sphere 4
Upper end is affixed；5 middle part of valve rod is formed with convex shoulder 13 at 7 lower end surface of valve seat, is provided with compressed spring between sphere 4 and convex shoulder 13
6。
4 upper and lower ends of sphere of the high-temperature and high-presure resistent ball valve of the present embodiment and 3 corresponding position of metal o-ring are provided with the
One inclined-plane, upper and lower two metal o-rings 3 and 4 corresponding position of sphere are provided with the second inclined-plane, sphere 4 and upper and lower two metal sealings
Circle 3 mutually abuts formation sealing by the first inclined-plane and the second inclined-plane.It is provided between 13 upper end of convex shoulder of valve rod 5 and valve seat 7
Gasket seal 8.Gap between 7 upper end of valve rod 5 and valve seat is filled with filler 9, and filler upper end is provided with Packing seat 10.Valve body 1
Graphite wound gasket piece 12 is provided between valve seat 7.The upper end of valve rod 5 is connected with handle 11.4 middle part level of sphere offers circle
Columnar transition passage.
High-temperature and high-presure resistent ball valve of the invention in use, due to being provided with metal between sphere 4 and valve seat 7
Sealing ring 3, after unexpected 7 scaling loss of fire valve seat, metal o-ring 3 is pressed on sphere 4 and plays sealing function, it is ensured that the peace of system
Entirely, major accident is prevented, the high temperature resistant and fire protecting performance of the ball valve are effectively increased；High-temperature and high-presure resistent ball of the invention
The electrostatic that the compressed spring 6 on 4 top of sphere of valve can generate sphere 4 and the friction of valve seat 7, is imported after being set conducting wire by conducting wire
Underground prevents the spark generated by electrostatic from lighting inflammable and explosive medium, guarantees the safety of system；Of the invention is high-temperature and high-presure resistent
The convex shoulder structure of the valve rod 5 of ball valve can anticreep in turn ensure sealing performance, 5 lower end of valve rod is equipped with convex shoulder 13, can be in valve body 1
When internal pressure increases extremely, prevent valve rod 5 from deviating from；Under the action of medium power in compressed spring 6 and ball valve, the convex shoulder of valve rod 5
13 compress gasket seal 8, sealing effect in formation；The sphere 4 and metal o-ring 3 of high-temperature and high-presure resistent ball valve of the invention divide
It is not provided with the first inclined-plane and the second inclined-plane of wedge shape, metal o-ring 3 and sphere 4 under the action of the elastic force of compressed spring 6
It fits closely, forms reliable sealing；The compression of 7 plane of valve seat of high-temperature and high-presure resistent ball valve of the invention leans on compressed spring 6
Pretightning force and Packing seat 10 at pressing force realize sealing, alleviate the power that opens and closes of valve, valve using filling formula knot on the whole
Structure, need only dismantle upper valve seat, can be taken off whole parts in valve body, both convenient for the maintenance and replacement of valve.
The present invention is not limited to the above embodiment.All technical solutions formed using equivalent replacement, are all fallen within the present invention and wanted
The protection scope asked.
Claims (7)
1. a kind of high-temperature and high-presure resistent ball valve, it is characterised in that: including valve body, rubber seal, metal o-ring, sphere, valve
Bar and valve seat, the valve body is interior equipped with horizontally disposed medium channel and the first valve stem passage being vertically arranged, and the medium is logical
Road and the intersection of the first valve stem passage are equipped with sphere placed cavity, symmetrical above and below in sphere placed cavity to be equipped with metal o-ring, institute
It states and is provided with rubber seal between metal o-ring and the valve body, the sphere can be along the setting that own axes horizontally rotate
Between upper and lower two metal o-rings；The valve seat is arranged in the valve body upper end, and the valve seat is vertically arranged with the second valve
Bar channel, first valve stem passage and second valve stem passage are interconnected, and it is logical that the valve rod sequentially passes through the second valve rod
Road and the first valve stem passage and the upper end of the sphere are affixed；It is formed at the valve seat lower end surface in the middle part of the valve rod convex
Shoulder is provided with compressed spring between the sphere and the convex shoulder.
2. high-temperature and high-presure resistent ball valve according to claim 1, it is characterised in that: the sphere upper and lower ends and the gold
Belong to sealing ring corresponding position and be provided with the first inclined-plane, two metal o-rings and the sphere corresponding position up and down are provided with second
Inclined-plane, the sphere mutually abut formation sealing by the first inclined-plane and the second inclined-plane with two metal o-rings up and down.
3. high-temperature and high-presure resistent ball valve according to claim 2, it is characterised in that: the convex shoulder upper end of the valve rod with it is described
Gasket seal is provided between valve seat.
4. high-temperature and high-presure resistent ball valve according to claim 3, it is characterised in that: the valve rod and the valve seat upper end it
Between gap be filled with filler, the filler upper end is provided with Packing seat.
5. high-temperature and high-presure resistent ball valve according to claim 4, it is characterised in that: set between the valve body and the valve seat
It is equipped with graphite wound gasket piece.
6. high-temperature and high-presure resistent ball valve according to claim 5, it is characterised in that: the upper end of the valve rod is connected with hand
Handle.
7. high-temperature and high-presure resistent ball valve according to claim 6, it is characterised in that: level offers circle in the middle part of the sphere
Columnar transition passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978233.7A CN108953659A (en) | 2018-08-27 | 2018-08-27 | A kind of high-temperature and high-presure resistent ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978233.7A CN108953659A (en) | 2018-08-27 | 2018-08-27 | A kind of high-temperature and high-presure resistent ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953659A true CN108953659A (en) | 2018-12-07 |
Family
ID=64474374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810978233.7A Pending CN108953659A (en) | 2018-08-27 | 2018-08-27 | A kind of high-temperature and high-presure resistent ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953659A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001172A (en) * | 2021-11-17 | 2022-02-01 | 西诺威阀门控制（苏州）有限公司 | High-temperature metal sealing ball valve |
| CN115789290A (en) * | 2023-02-07 | 2023-03-14 | 哈电集团哈尔滨电站阀门有限公司 | Slope sealing fused salt ball valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309461Y (en) * | 1997-04-23 | 1999-03-03 | 高元方 | Self-compensating ball valve |
| CN2384060Y (en) * | 1999-07-01 | 2000-06-21 | 王春莲 | Elastic sealing metallic ball valve |
| CN2536854Y (en) * | 2002-04-25 | 2003-02-19 | 浙江方正阀门厂 | Self lubricant assembled rotary plug valve with reversed tapered sealing surface |
| CN2597783Y (en) * | 2003-01-07 | 2004-01-07 | 江苏神通阀门有限公司 | Top mounted valve cover type ball valve for nuclear power plant |
| CN201621317U (en) * | 2010-01-19 | 2010-11-03 | 广东明珠流体机械有限公司 | Top assembly type integral inclined surface metal sealing ball valve |
-
2018
- 2018-08-27 CN CN201810978233.7A patent/CN108953659A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309461Y (en) * | 1997-04-23 | 1999-03-03 | 高元方 | Self-compensating ball valve |
| CN2384060Y (en) * | 1999-07-01 | 2000-06-21 | 王春莲 | Elastic sealing metallic ball valve |
| CN2536854Y (en) * | 2002-04-25 | 2003-02-19 | 浙江方正阀门厂 | Self lubricant assembled rotary plug valve with reversed tapered sealing surface |
| CN2597783Y (en) * | 2003-01-07 | 2004-01-07 | 江苏神通阀门有限公司 | Top mounted valve cover type ball valve for nuclear power plant |
| CN201621317U (en) * | 2010-01-19 | 2010-11-03 | 广东明珠流体机械有限公司 | Top assembly type integral inclined surface metal sealing ball valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001172A (en) * | 2021-11-17 | 2022-02-01 | 西诺威阀门控制（苏州）有限公司 | High-temperature metal sealing ball valve |
| CN115789290A (en) * | 2023-02-07 | 2023-03-14 | 哈电集团哈尔滨电站阀门有限公司 | Slope sealing fused salt ball valve |
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|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |