CN107606188B - A kind of coal hydrogen manufacturing high-pressure hydro butterfly valve - Google Patents
A kind of coal hydrogen manufacturing high-pressure hydro butterfly valve Download PDFInfo
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- CN107606188B CN107606188B CN201710922813.XA CN201710922813A CN107606188B CN 107606188 B CN107606188 B CN 107606188B CN 201710922813 A CN201710922813 A CN 201710922813A CN 107606188 B CN107606188 B CN 107606188B
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- spherical joint
- stepped hole
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Abstract
The invention discloses a kind of coal hydrogen manufacturing high-pressure hydro butterfly valves, it includes valve body (1), valve plate (2) and valve shaft (3), positioning ring (8) are provided in the aperture of stepped hole, support seal assembly is provided in the macropore of stepped hole, spherical groove (15) are offered in spherical joint outer ring (10), the spherical joint inner ring (9) that can be rotated around spherical groove (15) axis is provided in spherical joint outer ring (10), axially disposed flat key (17) are installed on valve shaft (3), the left and right end portions of valve plate (2) are pressed on respectively between two positioning rings (8), sealing ring (19) with conical valve seat (5) cooperation is installed on valve plate (2) outer ring.The beneficial effects of the present invention are: it is reliable for operation, can facilitate and implement emergency sealing, effectively avoid the stuck valve shaft of media particle, long service life, guarantee that sealing tightness, valve shaft opening and closing are flexible.
Description
Technical field
The present invention relates to the technical field for facing hydrogen butterfly valve structure, especially a kind of coal hydrogen manufacturing high-pressure hydro butterfly valve.
Background technique
High pressure butterfly valve is always the biggish product of technical difficulty in butterfly valve field, and the support for being mainly concerned with valve is strong
Degree and rigidity, the technology of hoisting capacity of valve etc..Currently, the enlargement with various commercial plants develops, heavy caliber is high
Pressure difference becomes device valve Developing mainstream.The highly difficult technology that high-temperature operation is also butterfly valve application is adapted to, is especially being wanted
The applying working condition with cutting function is sought, because the medium temperature to circulate sometimes is high, valve axial ends elongation, to drive
The valve plate being mounted thereon is axially displaced, causes valve plate sealing ring to be tightly bonded with valve seat since variation occurs in position, finally
Valve plate is caused to fail to open.
In addition, for any valve, rotating flexibly is all forever the most key requirement, in many applying working conditions,
The leakproofness of valve is also a very crucial index.However, big moulded coal device for producing hydrogen require valve simultaneously all high temperature and
High pressure operating condition and require valve realize featuring rigid cutting-off.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provide it is a kind of it is compact-sized, reliable for operation, reality can be facilitated
Emergency sealing is applied, the stuck valve shaft of media particle, long service life is effectively avoided, guarantees sealing tightness, valve shaft opening and closing spirit
Coal hydrogen manufacturing high-pressure hydro butterfly valve living.
The purpose of the present invention is achieved through the following technical solutions: a kind of coal hydrogen manufacturing high-pressure hydro butterfly valve, it include valve body,
Valve plate and valve shaft are provided with medium runner in the valve body, are provided with conical valve seat in medium runner, it is characterised in that:
Stepped hole a and stepped hole b are offered respectively on the valve body and positioned at the left and right sides of medium runner, are set in the aperture of stepped hole
It is equipped with positioning ring, one end of positioning ring is protruded into medium runner, and support seal assembly is provided in the macropore of stepped hole, is supported close
Sealing assembly includes spherical joint inner ring, spherical joint outer ring, sliding bearing, filler spacer ring, airtight and watertight padding and gland, spherical joint
Outer ring is set in stepped hole, and spherical groove is offered in spherical joint outer ring, and being provided in spherical joint outer ring can be around spherical groove
The spherical joint inner ring of axis rotation, spherical joint inner ring middle part are installed with the mounting hole through spherical joint inner ring, install
It is provided with baffle ring and sliding bearing in hole, airtight and watertight padding and filler spacer ring, filler spacer ring have been compressed between sliding bearing and baffle ring
It is inside provided with lubricating ester storagetank, sliding bearing presses in mounting hole through gland, the axle journal of the valve shaft left and right ends
It is respectively arranged in the sliding bearing of two support seal assemblies, axially disposed flat key is installed on valve shaft, it is described
Sliding slot is offered in valve plate, valve plate is matched with flat key through sliding slot and is slidably mounted on valve shaft, the left and right end portions difference of valve plate
It presses between two positioning rings, the sealing ring with conical valve seat cooperation is installed on valve plate outer ring.
Two support seal assemblies are symmetrical arranged.
It is provided with ring flange on the spherical joint outer ring, ring flange is connected on valve body through screw.
The gland is bolted on spherical joint inner ring.
Annular table is provided on the positioning circular cylinder, annular table presses on the shoulder of spherical joint outer ring and stepped hole
Between.
Two positioning rings are symmetrical arranged.
The airtight and watertight padding is installed on valve shaft neck.
The invention has the following advantages that
(1) valve shaft can be effectively supported in the medium runner of valve body by support seal assembly, be further realized valve plate
It is supported in medium runner.(2) the lubricating ester storagetank on the filler spacer ring in spherical joint inner ring mounting hole can store lubrication
Ester, effectively lubricating sliding bearing, while effectivelying prevent axle envelope external leakage.(3) this invention removes expanded with heat and contract with cold due to valve shaft
The phenomenon that causing sealing ring and conical valve seat that cannot be accurately positioned, therefore ensure that in high and low temperature state lower seal and cone valve
The reliability of seat sealing and the reliability of movement.(4) the spherical joint design for supporting seal assembly, can be rigid by high temperature in valve shaft
Degree decline and the rotation flexibility that also can guarantee valve shaft in the case where bringing the elastic bending of axis due to high pressure, movement is still
It is sensitive.(5) airtight and watertight padding is placed in spherical joint inner ring, therefore is bent with valve shaft and spherical joint inner ring with identical winding degree
Angle, and by the support of spherical joint inner ring ensure that airtight and watertight padding is pressurized or when heated elastic bending deflection in axis, airtight and watertight padding
The pressing force of border is consistent, eliminates unbalance loading, and airtight and watertight padding is made to seal relatively reliable, avoids airtight and watertight padding by valve shaft pressure
There is gap in deformation, avoids media particle and enters in sliding bearing, effectively prevents the stuck sliding bearing of media particle.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the portion the I partial enlarged view of Fig. 2；
Fig. 4 is the structural schematic diagram for supporting seal assembly；
In figure, 1- valve body, 2- valve plate, 3- valve shaft, 4- medium runner, 5- conical valve seat, 6- stepped hole a, 7- stepped hole
B, 8- positioning ring, 9- spherical joint inner ring, 10- spherical joint outer ring, 11- sliding bearing, 12- filler spacer ring, 13- sealing are filled out
Material, 14- gland, 15- spherical groove, 16- baffle ring, 17- flat key, 18- sliding slot, 19- sealing ring, 20- ring flange, 21- bolt, 22-
Annular table, 23- lubricating ester storagetank.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, and protection scope of the present invention is not limited to as described below:
As shown in Fig. 1 ~ 4, a kind of coal hydrogen manufacturing high-pressure hydro butterfly valve, it includes valve body 1, valve plate 2 and valve shaft 3, described
Be provided with medium runner 4 in valve body 1, conical valve seat 5 be provided in medium runner 4, it is characterised in that: on the valve body 1 and
Stepped hole a6 and stepped hole b7 are offered respectively positioned at the left and right sides of medium runner 4, are provided with positioning ring in the aperture of stepped hole
8, two positioning rings 8 are symmetrical arranged, and annular table 22 are provided on 8 cylinder of positioning ring, annular table 22 presses on spherical joint outer ring
Between 10 and the shoulder of stepped hole, one end of positioning ring 8 is protruded into medium runner 4, and it is close that support is provided in the macropore of stepped hole
Sealing assembly, two support seal assemblies are symmetrical arranged.
As shown in Fig. 1 ~ 4, the support seal assembly includes spherical joint inner ring 9, spherical joint outer ring 10, sliding axle
11, filler spacer ring 12, airtight and watertight padding 13 and gland 14 are held, spherical joint outer ring 10 is set in stepped hole, spherical joint outer ring
Spherical groove 15 is offered in 10, and the spherical joint inner ring 9 that can be rotated around 15 axis of spherical groove is provided in spherical joint outer ring 10,
I.e. the sphere of the outside of spherical joint inner ring 9 is matched with the spherical groove 15 of spherical joint outer ring 10, and spherical joint inner ring 9 can be
10 any direction of spherical joint outer ring is freely rotated, and is installed in the middle part of spherical joint inner ring 9 through spherical joint inner ring 9
Mounting hole, be provided with baffle ring 16 and sliding bearing 11 in mounting hole, compressed sealing between sliding bearing 11 and baffle ring 16 and filled out
Material 13 and filler spacer ring 12, airtight and watertight padding 13 are installed on 3 axle journal of valve shaft, and lubricating ester storagetank is provided in filler spacer ring 12
23, lubricating ester storagetank can store lubricating ester, effectively lubricating sliding bearing, while effectively prevent axle envelope external leakage, sliding bearing
11 press in mounting hole through gland 14.Due to the cooperation between spherical joint inner ring 9 and spherical joint outer ring 10, fill out sealing
Material 13 has identical winding degree bending angle with valve shaft 3 and spherical joint inner ring 9, and by the support of spherical joint inner ring 9, ensure that
In axis compression or heated elastic bending deflection, the pressing force of 13 border of airtight and watertight padding is consistent for airtight and watertight padding 13, eliminates unbalance loading,
So that airtight and watertight padding 13 is sealed relatively reliable, avoids airtight and watertight padding 13 by 3 compressive strain of valve shaft and gap occur, avoid medium
Particle enters in sliding bearing 11, effectively prevents the stuck sliding bearing of media particle.Guarantee simultaneously rigid by high temperature in valve shaft
Degree decline and the rotation flexibility that also can guarantee valve shaft in the case where bringing the elastic bending of axis due to high pressure, movement is still
It is sensitive.
The axle journal of 3 left and right ends of valve shaft is respectively arranged in the sliding bearing 11 of two support seal assemblies,
Axially disposed flat key 17 is installed on valve shaft 3, sliding slot 18 is offered in the valve plate 2, valve plate 2 is through sliding slot 18 and puts down
Key 17, which matches, to be slidably mounted on valve shaft 3, and the left and right end portions of valve plate 2 are pressed on respectively between two positioning rings 8, valve plate 2
Can have mercy on the axis rotation of positioning ring 8, and the sealing ring 19 cooperated with conical valve seat 5 is equipped on 2 outer ring of valve plate.
As shown in figure 3, being provided with ring flange 20 on the spherical joint outer ring 10, ring flange 20 is connected to valve through screw
On body 1；The gland 14 is connected on spherical joint inner ring 9 through bolt 21.
The course of work of the invention is as follows: when medium to be connected, rotating valve axis 3, due to valve plate 2 and valve shaft 3 it
Between be connected with flat key 17, flat key 17 transmits torque to valve plate 2, and the sealing ring 19 on valve plate 2 is separated with conical valve seat, and medium is led
Logical, after the high-temperature medium of circulation communicates the temperature to valve shaft 3, valve shaft 3 is extended to both ends, since the position of valve plate 2 is
It limiting by two positioning rings 8, valve shaft 3 can only 18 movements be mobile without will drive valve plate 2 along the chute by flat key 17 at this time, from
And effectively eliminating valve shaft and expanding with heat and contract with cold leads to sealing ring and the phenomenon that conical valve seat cannot be accurately positioned, avoids sealing ring
It is stuck on conical valve seat and can not on and off medium, ensure that and sealed in high and low temperature state lower seal and conical valve seat
Reliability and movement reliability.
Claims (4)
1. a kind of coal hydrogen manufacturing high-pressure hydro butterfly valve, it includes valve body (1), valve plate (2) and valve shaft (3), and the valve body (1) is interior
Be provided with medium runner (4), be provided with conical valve seat (5) in medium runner (4), it is characterised in that: on the valve body (1) and
Stepped hole a(6 is offered respectively positioned at the left and right sides of medium runner (4)) and stepped hole b(7), stepped hole a(6) and stepped hole b
(7) it is provided in aperture positioning ring (8), one end of positioning ring (8) is protruded into medium runner (4), stepped hole a(6) and step
Hole b(7) macropore in be provided with support seal assembly, support seal assembly includes spherical joint inner ring (9), spherical joint outer ring
(10), sliding bearing (11), filler spacer ring (12), airtight and watertight padding (13) and gland (14), spherical joint outer ring (10) are set to
Stepped hole a(6) and stepped hole b(7) in, it is offered spherical groove (15) in spherical joint outer ring (10), spherical joint outer ring (10)
It is inside provided with the spherical joint inner ring (9) that can be rotated around spherical groove (15) axis, is installed with and passes through in the middle part of spherical joint inner ring (9)
Wear the mounting hole of spherical joint inner ring (9), be provided with baffle ring (16) and sliding bearing (11) in mounting hole, sliding bearing (11) with
Airtight and watertight padding (13) and filler spacer ring (12) have been compressed between baffle ring (16), airtight and watertight padding (13) is placed in spherical joint inner ring,
It is provided with lubricating ester storagetank (23) in filler spacer ring (12), lubricating ester storagetank can store lubricating ester for lubricating sliding axle
It holds, sliding bearing (11) presses in mounting hole through gland (14), and the axle journal of the valve shaft (3) left and right ends is installed respectively
In in the sliding bearing (11) that two support seal assembly, it is equipped on valve shaft (3) axially disposed flat key (17), it is described
Valve plate (2) in offer sliding slot (18), valve plate (2) matches with flat key (17) through sliding slot (18) and is slidably mounted on valve shaft
(3) on, the left and right end portions of valve plate (2) are pressed on respectively between two positioning rings (8), are equipped on valve plate (2) outer ring and taper
The sealing ring (19) of valve seat (5) cooperation, is provided with annular table (22) on the positioning ring (8) cylinder, annular table (22) compresses
In spherical joint outer ring (10) and stepped hole a(6) and stepped hole b(7) shoulder between, two positioning rings (8) are symmetrical
Setting, the airtight and watertight padding (13) are installed on valve shaft (3) axle journal；
When medium to be connected, rotating valve axis (3), flat key (17) is transmitted torque to valve plate (2), the sealing on valve plate (2)
Circle (19) is separated with conical valve seat, medium conducting, after the high-temperature medium of circulation communicates the temperature to valve shaft (3), valve shaft
(3) it is extended to both ends, (18) are mobile along the chute and not will drive valve plate (2) movement by flat key (17) for valve shaft (3) at this time.
2. a kind of coal hydrogen manufacturing high-pressure hydro butterfly valve according to claim 1, it is characterised in that: two supports sealing
Component is symmetrical arranged.
3. a kind of coal hydrogen manufacturing high-pressure hydro butterfly valve according to claim 1, it is characterised in that: the spherical joint outer ring
(10) it is provided on ring flange (20), ring flange (20) is connected on valve body (1) through screw.
4. a kind of coal hydrogen manufacturing high-pressure hydro butterfly valve according to claim 1, it is characterised in that: the gland (14) is through spiral shell
Bolt (21) is connected on spherical joint inner ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710922813.XA CN107606188B (en) | 2017-09-30 | 2017-09-30 | A kind of coal hydrogen manufacturing high-pressure hydro butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710922813.XA CN107606188B (en) | 2017-09-30 | 2017-09-30 | A kind of coal hydrogen manufacturing high-pressure hydro butterfly valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107606188A CN107606188A (en) | 2018-01-19 |
| CN107606188B true CN107606188B (en) | 2019-09-17 |
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ID=61067382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710922813.XA Active CN107606188B (en) | 2017-09-30 | 2017-09-30 | A kind of coal hydrogen manufacturing high-pressure hydro butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107606188B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100287815B1 (en) * | 1998-09-24 | 2002-08-09 | 이종철 | Butterfly valve |
| CN102032345A (en) * | 2009-09-25 | 2011-04-27 | 上海冠龙阀门机械有限公司 | Floating sealing structure of thrust shaft rod |
| CN202733008U (en) * | 2012-04-16 | 2013-02-13 | 株洲南方阀门股份有限公司 | Motor-driven vacuum butterfly valve |
| CN202629104U (en) * | 2012-05-31 | 2012-12-26 | 无锡宝牛阀业有限公司 | High-temperature seal butterfly valve |
| CN203670784U (en) * | 2013-12-31 | 2014-06-25 | 山东晨钟机械股份有限公司 | Mounting error self-adaptation sealing device |
| CN204900864U (en) * | 2015-07-10 | 2015-12-23 | 成都华科阀门制造有限公司 | Butterfly vave of flue gas turbine's bearing and valve shaft's mounting structure |
| CN205824206U (en) * | 2015-09-16 | 2016-12-21 | 吴忠仪表有限责任公司 | Butterfly valve plate axial limit structure |
| CN205559819U (en) * | 2016-03-31 | 2016-09-07 | 康盛百年（北京）健康科技有限公司 | Hydraulic pressure weight butterfly valve |
-
2017
- 2017-09-30 CN CN201710922813.XA patent/CN107606188B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107606188A (en) | 2018-01-19 |
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