CN205908794U - A control trip valve for cryo equipment - Google Patents
A control trip valve for cryo equipment Download PDFInfo
- Publication number
- CN205908794U CN205908794U CN201620875248.7U CN201620875248U CN205908794U CN 205908794 U CN205908794 U CN 205908794U CN 201620875248 U CN201620875248 U CN 201620875248U CN 205908794 U CN205908794 U CN 205908794U
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- rod
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Abstract
The utility model discloses a control trip valve for cryo equipment, including valve body, valve ball, valve rod, valve gap, cylinder, stop sleeve, be equipped with the valve pocket in the valve body, the valve body surface is equipped with the connection openings of intercommunication valve pocket, is equipped with disk seat support piece, inlet valve seat, butterfly type gasket and export disk seat in the valve pocket, the valve ball surface is equipped with the chamfer of stepping down. Be equipped with the insulating layer between valve rod and the stop sleeve, keep apart valve movable part and the external world, reduced cryogenic liquids's loss of refrigeration capacity widely, when the valve ball that needs to be changed, inlet valve seat or when exporting inner member such as disk seat, can other inside original papers whole taking out from the valve body with valve rod, insulating layer area, change, then the installation reduction accomplishes the maintenance, simplified the maintenance step of valve, labour saving and time saving to it is not destroyed to have guaranteed original leakproofness.
Description
Technical field
This utility model belongs to the technical field of valve, specifically, is related to a kind of cut-out of the control for cryogenic equipment
Valve.
Background technology
Valve working situation for low temperature is special, is mainly used in ethylene, liquefied natural gas plant, natural gas storage tank, connects
By base and satellite station, petrochemical industry tail gas separation equipment, liquid oxygen, liquid nitrogen, liquid argon, carbon dioxide cryogenic tank and tank car, change
On the devices such as pressure adsorption oxygen-preparation.Stop valve for low temperature needs to control the hidden danger such as blast, leakage, and traditional low temperature cut-out
Valve maintenance is complicated, needs to take off whole valve from pipeline, is installed on pipeline after changing parts again, the complicated consumption of this process
When, the sealing ring between flange is not easy to be installed in place, and is again coupled to be difficult to ensure good sealing property.
Utility model content
For above-mentioned deficiency in prior art, this utility model provides a kind of control stop valve for cryogenic equipment,
Valve body can be dismantled from pipeline, only take out parts in valve body and keeped in repair by this control stop valve.
In order to achieve the above object, the solution that this utility model adopts is: a kind of control for cryogenic equipment is cut
Disconnected valve, including valve body, valve ball, valve rod, valve gap, cylinder, stop sleeve, is provided with intake antrum and water chamber in valve body, intake antrum with
It is provided with valve pocket, valve outer surface is communicated with the connection opening of valve pocket, stop sleeve one end is consolidated with being connected opening between water chamber
Fixed connection, the stop sleeve other end and valve gap are detachably connected, and cylinder is fixedly connected with valve gap, and valve rod one end is connected with cylinder,
The valve rod other end is connected with valve ball；It is provided with thermal insulation layer between valve rod and stop sleeve.
Valve ball is located in valve pocket, is provided with valve seat support member in valve pocket, closes between the valve seat support member of intake antrum and valve ball
Be provided with import valve seat, between import valve seat and valve seat support member, be provided with butterfly-type pad, the water side of valve seat support member and valve ball it
Between be provided with outlet valve seat；Valve ball is provided with the through hole running through valve ball, and the ball surface at through hole two ends is provided with resigning chamfering.
Preferably, be provided with support bar in thermal insulation layer, support bar be socketed with compression spring, compression spring be located at valve gap with every
Between thermosphere.
Preferably, it is provided with sealing ring, axle sleeve and locking nut between valve gap and valve rod, sealing ring passes through squeezing of locking nut
Pressure is locked between axle sleeve and valve gap.
The beneficial effects of the utility model are that this control stop valve adopts thermal insulation layer, and valve movable part is entered with the external world
Row isolation, greatly reduces the loss of refrigeration capacity of cryogenic liquid, the support bar in thermal insulation layer and compression spring can be to thermal insulation layers
It is compressed, lift sealing in stop sleeve for the thermal insulation layer further；When needing to change valve ball, import valve seat or outlet
During the inner members such as valve seat, valve rod, thermal insulation layer can be taken out with other internal original papers are overall from valve body, be changed,
Then reduction is installed complete to keep in repair, whole valve need not be taken off from pipeline and be keeped in repair, simplify the maintenance step of valve,
Time saving and energy saving, and ensure that original sealing is not destroyed.
Brief description
Fig. 1 is the structural representation controlling stop valve of the present utility model.
Fig. 2 is the enlarged drawing at a in Fig. 1.
Fig. 3 is the enlarged drawing at b in Fig. 1.
Fig. 4 is the structural representation of valve body of the present utility model.
In accompanying drawing:
11st, valve body；12nd, valve ball；121st, through hole；122nd, resigning chamfering；13rd, valve rod；14th, valve gap；15th, cylinder；16th, support
Sleeve；21st, intake antrum；22nd, water chamber；23rd, valve pocket；24th, connect opening；31st, thermal insulation layer；32nd, valve seat support member；33rd, import
Valve seat；34th, butterfly-type pad；35th, outlet valve seat；41st, support bar；42nd, compression spring；43rd, sealing ring；44th, axle sleeve；45th, lock
Nut.
Specific embodiment
Below in conjunction with accompanying drawing, this utility model is further described:
Reference picture 1- Fig. 4, this utility model provides a kind of control stop valve for cryogenic equipment, including valve body 11, valve
Ball 12, valve rod 13, valve gap 14, cylinder 15, stop sleeve 16, are provided with intake antrum 21 and water chamber 22, intake antrum 21 in valve body 11
It is provided with valve pocket 23 and water chamber 22 between, valve body 11 outer surface is communicated with the connection opening 24 of valve pocket 23, stop sleeve 16 1
End with is connected opening 24 and is fixedly connected, stop sleeve 16 other end and valve gap 14 are detachably connected, cylinder 15 and valve gap 14 fixation
Connect, between valve gap 14 and valve rod 13, be provided with sealing ring 43, axle sleeve 44 and locking nut 45, sealing ring 43 passes through locking nut 45
Extruding force be locked between axle sleeve 44 and valve gap 14.Valve rod 13 one end is connected with cylinder 15, valve rod 13 other end and valve ball 12
Connect；It is provided with thermal insulation layer 31 between valve rod 13 and stop sleeve 16.It is provided with support bar 41 in thermal insulation layer 31, support bar 41 is socketed
There is compression spring 42, compression spring 42 is located between valve gap 14 and thermal insulation layer 31.This control stop valve adopts thermal insulation layer 31, to valve
Door movable part is isolated with the external world, greatly reduces the loss of refrigeration capacity of cryogenic liquid, the support bar 41 in thermal insulation layer 31
Thermal insulation layer 31 can be compressed with compression spring 42, lift sealing in stop sleeve 16 for the thermal insulation layer 31 further.
Valve ball 12 is located in valve pocket 23, is provided with valve seat support member 32 in valve pocket 23, closes on the valve seat support member of intake antrum 21
It is provided with import valve seat 33 between 32 and valve ball 12, between import valve seat 33 and valve seat support member 32, be provided with butterfly-type pad 34, valve seat
It is provided with outlet valve seat 35 between the water side of support member 32 and valve ball 12；Valve ball 12 is provided with the through hole 121 running through valve ball 12, leads to
Valve ball 12 surface at hole 121 two ends is provided with resigning chamfering 122.When needing to change valve ball 12, import valve seat 33 or outlet valve seat
During 35 grade inner member, valve rod 13, thermal insulation layer 31 can be taken out with other internal original papers are overall from valve body 11, carry out more
Change, then reduction is installed and completes to keep in repair, whole valve need not be taken off from pipeline and be keeped in repair, simplify the maintenance step of valve
Suddenly, time saving and energy saving, and ensure that original sealing is not destroyed.During maintenance, valve ball 12 is turned to makes valve be in entirely
Open state, now the resigning chamfering 122 on valve ball 12 reduce the extruding between valve ball 12 and import valve seat 33, outlet valve seat 35
Power, is easy to valve ball 12 and takes out from valve pocket 23.
Claims (3)
1. a kind of control stop valve for cryogenic equipment, is characterized in that: includes valve body (11), valve ball (12), valve rod (13), valve
Lid (14), cylinder (15), stop sleeve (16), are provided with intake antrum (21) and water chamber (22), intake antrum (21) in valve body (11)
It is provided with valve pocket (23) and water chamber (22) between, valve body (11) outer surface is communicated with the connection opening (24) of valve pocket (23),
Support set cylinder (16) one end is fixedly connected with being connected opening (24), and stop sleeve (16) other end and valve gap (14) are detachably connected,
Cylinder (15) is fixedly connected with valve gap (14), and valve rod (13) one end is connected with cylinder (15), valve rod (13) other end and valve ball
(12) connect；It is provided with thermal insulation layer (31) between valve rod (13) and stop sleeve (16),
Valve ball (12) is located in valve pocket (23), is provided with valve seat support member (32), closes on the valve seat of intake antrum (21) in valve pocket (23)
It is provided with import valve seat (33) between support member (32) and valve ball (12), be provided between import valve seat (33) and valve seat support member (32)
Butterfly-type pad (34), is provided with outlet valve seat (35) between the water side of valve seat support member (32) and valve ball (12)；On valve ball (12)
It is provided with the through hole (121) running through valve ball (12), valve ball (12) surface at through hole (121) two ends is provided with resigning chamfering (122).
2. the control stop valve for cryogenic equipment according to claim 1, is characterized in that: in described thermal insulation layer (31)
Be provided with support bar (41), support bar (41) be socketed with compression spring (42), compression spring (42) be located at valve gap (14) with heat-insulated
Between layer (31).
3. the control stop valve for cryogenic equipment according to claim 1, is characterized in that: described valve gap (14) and valve
It is provided with sealing ring (43), axle sleeve (44) and locking nut (45), sealing ring (43) passes through locking nut (45) between bar (13)
Extruding force is locked between axle sleeve (44) and valve gap (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620875248.7U CN205908794U (en) | 2016-08-12 | 2016-08-12 | A control trip valve for cryo equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620875248.7U CN205908794U (en) | 2016-08-12 | 2016-08-12 | A control trip valve for cryo equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205908794U true CN205908794U (en) | 2017-01-25 |
Family
ID=57802082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620875248.7U Active CN205908794U (en) | 2016-08-12 | 2016-08-12 | A control trip valve for cryo equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205908794U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090285A (en) * | 2016-08-12 | 2016-11-09 | 四川省简阳市川力机械制造有限责任公司 | A kind of control stop valve for cryogenic equipment |
| CN109668924A (en) * | 2019-01-22 | 2019-04-23 | 中国工程物理研究院激光聚变研究中心 | Submerged gas liquefaction deep cooling experimental provision and its experimental method |
-
2016
- 2016-08-12 CN CN201620875248.7U patent/CN205908794U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090285A (en) * | 2016-08-12 | 2016-11-09 | 四川省简阳市川力机械制造有限责任公司 | A kind of control stop valve for cryogenic equipment |
| CN109668924A (en) * | 2019-01-22 | 2019-04-23 | 中国工程物理研究院激光聚变研究中心 | Submerged gas liquefaction deep cooling experimental provision and its experimental method |
| CN109668924B (en) * | 2019-01-22 | 2024-05-10 | 中国工程物理研究院激光聚变研究中心 | Submerged gas liquefaction cryogenic experiment device and experiment method thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |