CN208634778U - A kind of cryogenic liquid tank pressure-regulating device - Google Patents
A kind of cryogenic liquid tank pressure-regulating device Download PDFInfo
- Publication number
- CN208634778U CN208634778U CN201821229536.0U CN201821229536U CN208634778U CN 208634778 U CN208634778 U CN 208634778U CN 201821229536 U CN201821229536 U CN 201821229536U CN 208634778 U CN208634778 U CN 208634778U
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- Prior art keywords
- pressure
- storage tank
- partition
- regulating device
- spring
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Abstract
The utility model discloses a kind of cryogenic liquid tank pressure-regulating devices, including supporting leg and storage tank, the lower section two sides of the storage tank are respectively and fixedly provided with supporting leg, the inner upper of the storage tank is equipped with pressure-regulating device, the pressure-regulating device includes partition, first mounting plate and spring, the upper area of the partition is set as seal chamber, opening is offered in the middle part of the partition, it is opened up on the partition fluted, and groove is located at the outer ring of opening, the lower section two sides of the groove are respectively and fixedly provided with second pressure sensor, the spring is located at the top of partition, the spring is mutually fixed by the inside upper surface of the first mounting plate and storage tank, the utility model is provided with lower installation board, pass through moving up and down for lower installation board, the present apparatus can adjust the pressure of sump interior, so that sump interior pressure is constant, guarantee storage tank Safety.
Description
Technical field
The utility model relates to storage tank technical field, specifically a kind of cryogenic liquid tank pressure-regulating device.
Background technique
Cryogenic liquid tank is mainly used for storing low temperature class liquid product, and due to the limitation of thermal insulation material, low temperature is produced in slot
Product can have re-heat vaporization phenomenon, and with the vaporization of liquid, pressure is continuously increased in slot, if pressure release will cause explosion not in time
Danger.In addition if hypotony can be easy to produce negative pressure in slot, suck-back air enters in storage tank, directly affects in slot and produces
Quality.
Utility model content
The purpose of this utility model is to provide a kind of cryogenic liquid tank pressure-regulating devices, to solve in the prior art
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of cryogenic liquid tank pressure adjusting dress
It sets, including supporting leg and storage tank, the lower section two sides of the storage tank are respectively and fixedly provided with supporting leg, and the inner upper of the storage tank is equipped with
Pressure-regulating device, the pressure-regulating device include partition, the first mounting plate and spring, the upper area setting of the partition
For seal chamber, opening is offered in the middle part of the partition, opens up fluted on the partition, and groove is located at the outer ring of opening,
The lower section two sides of the groove are respectively and fixedly provided with second pressure sensor, and the spring is located at the top of partition, and the spring passes through
The inside upper surface of first mounting plate and storage tank is mutually fixed, and first pressure biography is equipped among the lower surface of first mounting plate
Sensor, the lower end of the spring are fixed with lower installation board, and the upper surface of the lower installation board is vertical with first pressure sensor right
The position answered, which is fixed with, smashes head, and the lower surface of lower installation board position corresponding with texturearunaperpendicular is fixed with seal rubber block,
And the inside of seal rubber block insertion groove, the side of the storage tank are equipped with pressure inlet, and the first electricity is equipped on pressure inlet
Magnetic control valve is provided with the first controller above first solenoid electric valve, and the supporting leg other side is equipped with decompression
Pipe, and second solenoid valve is installed on relief pipe, second controller is provided with above the relief pipe.
Preferably, the pressure inlet is located at the lower section of partition, and the relief pipe is located at the lower section of partition.
Preferably, the pressure inlet is connected with tracheae far from one end of storage tank, and tracheae is connect with external air charging system.
Preferably, the model PXM309 of the first pressure sensor, the model of the second pressure sensor
PXM309。
Compared with prior art, the utility model has the beneficial effects that the utility model is provided with lower installation board, work as storage tank
When internal pressure is larger, lower installation board is moved upwards, and spring is compressed, and is smash head and is given second pressure sensor one pressure, when
Smash head pressure be greater than second pressure sensor setting value when, second pressure sensor by the first controller control first electricity
Magnet valve is opened, so that the gas of sump interior can be escaped from relief pipe, so that sump interior can depressurize;It is pressed inside pigweed
When strong smaller, lower installation board has the tendency that moving downward, and seal rubber block gives first pressure sensor one pressure, when sealing rubber
When the pressure of blob of viscose is greater than the setting value of first pressure sensor, first pressure sensor passes through the second electricity of second controller control
The unlatching of magnet valve, so that the inside that external gas is able to enter storage tank carries out ftercompction to storage tank;
The present apparatus can adjust the pressure of sump interior, so that sump interior pressure is constant, guarantee the safety of storage tank.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model pressure-regulating device.
Fig. 3 is the area the A enlarged drawing of the utility model.
Fig. 4 is the structural schematic diagram of the utility model lower installation board and partition.
In figure: 1, supporting leg;2, storage tank;3, pressure-regulating device;301, tracheae;302, the first solenoid electric valve;303,
Seal chamber;304, partition;305, pressure inlet;306, second solenoid valve;307, relief pipe;308, second controller;309, first
Controller;310, the first mounting plate;311, first pressure sensor;312, head is smash;313, spring;314, groove;315, lower peace
Loading board;316, second pressure sensor;317, seal rubber block;318, it is open.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~4, in the utility model embodiment, a kind of cryogenic liquid tank pressure-regulating device, including support
Leg 1 and storage tank 2, the lower section two sides of storage tank 2 are respectively and fixedly provided with supporting leg 1, and the inner upper of storage tank 2 is equipped with pressure-regulating device 3,
Pressure-regulating device 3 is used to adjust the pressure inside storage tank 2, and pressure-regulating device 3 includes partition 304,310 and of the first mounting plate
Spring 313, the upper area of partition 304 are set as seal chamber 303, and partition 304 is used to form seal chamber 303, in partition 304
Portion offers opening 318, and opening 318 opens up fluted 314 as the air ventilation passage inside storage tank 2 on partition 304, recessed
Slot 314 is for installing second pressure sensor 316, and 314 liquid of groove is used to cooperate with seal rubber block 317, so that normal pressure
Gas inside lower storage tank 2 does not enter the inside of seal chamber 303, and groove 314 is under the outer ring of opening 318, groove 314
Square two sides are respectively and fixedly provided with second pressure sensor 316, and it is downward that second pressure sensor 316 is used to experiencing seal rubber block 317
Pressure, air pressure of the downward source pressure of seal rubber block 317 inside storage tank 2 reduce, the model of second pressure sensor 316
For PXM309, and second pressure sensor 316 is bought by market, and spring 313 is located at the top of partition 304, and spring 313 passes through the
The inside upper surface of one mounting plate 310 and storage tank 2 is mutually fixed, and spring 313 is used to compensate the air pressure height inside storage tank 2, works as storage
Spring 313 is compressed when 2 air pressure inside of slot is excessively high, and when 2 air pressure inside of storage tank is too low, spring 313 has the tendency that being stretched, the
First pressure sensor 311 is installed, first pressure sensor 311 smashes head for experiencing among the lower surface of one mounting plate 310
312 pressure, smash first 312 source pressure it is excessively high in 2 air pressure inside of storage tank, the model of first pressure sensor 311
PXM309, and first pressure sensor 311 is bought by market, the lower end of spring 313 is fixed with lower installation board 315, lower installation board
315 upper surface corresponding position vertical with first pressure sensor 311, which is fixed with, smashes first 312, the lower surface of lower installation board 315
Corresponding position vertical with groove 314 is fixed with seal rubber block 317, and seal rubber block 317 is inserted into the inside of groove 314,
The side of storage tank 2 is equipped with pressure inlet 305, and for external to gas is passed through inside storage tank 2, pressure inlet 305 is located at pressure inlet 305
The lower section of partition 304, pressure inlet 305 are connected with tracheae 301 far from one end of storage tank 2, and tracheae 301 is used for into pressure inlet 305
Portion is passed through gas, and tracheae 301 is connect with external air charging system, and the first solenoid electric valve 302 is equipped on pressure inlet 305,
First solenoid electric valve 302 is used to control the switch of pressure inlet 305, and the top of the first solenoid electric valve 302 is provided with the first control
Device 309 processed, the first controller 309 are used to control the switch of the first solenoid electric valve 302, and 2 other side of storage tank is equipped with relief pipe
307, relief pipe 307 is located at the lower section of partition 304, and second solenoid valve 306 is equipped on relief pipe 307, relief pipe 307 it is upper
Side is provided with second controller 308, and second controller 308 is used to control the switch of second solenoid valve 306.
The working principle of the utility model is: when the pressure inside storage tank 2 is excessive, gas pressure inside storage tank 2 to
On lower installation board 315 is jacked up, spring 313 is compressed, smash first 312 and touch first pressure sensor 311, first pressure sensing
Device 311 experience smash first 312 pressure, when first pressure sensor 311 experience smash first 312 pressure be more than setting value when,
Pressure as inside storage tank 2 is more than setting value, and signal is passed to second controller 308 by first pressure sensor 311 at this time,
Second control, 308 control second solenoid valve 306 is opened, and the gas inside storage tank 2 is escaped by relief pipe 307 at this time, to store
2 inner pressure relief of slot, when the pressure inside storage tank 2 is reduced to normal value, signal is passed to second by first pressure sensor 311
Controller 308, second controller 308 control second solenoid valve 306 and close;
When too little pressure inside storage tank 2, lower installation board 315 has the tendency that moving downward, and spring 313, which has, to be stretched
Trend, seal rubber block 317 is pressed downward second pressure sensor 316 at this time, and second pressure sensor 316 experiences seal rubber
When the pressure of block 317 is more than setting value, signal is passed into the first controller 309, the first controller 309 controls the first electromagnetism control
Valve 302 processed is opened, and the first solenoid electric valve 302 can be to being passed through gas inside storage tank 2 after opening, the air pressure inside storage tank 2
When restoring normal, signal is passed to the first controller 309, the first electricity of the first controller 309 control by second pressure sensor 316
Magnetic control valve 302 is closed.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (4)
1. a kind of cryogenic liquid tank pressure-regulating device, including supporting leg (1) and storage tank (2), it is characterised in that: the storage tank
(2) lower section two sides are respectively and fixedly provided with supporting leg (1), and the inner upper of the storage tank (2) is equipped with pressure-regulating device (3), institute
Stating pressure-regulating device (3) includes partition (304), the first mounting plate (310) and spring (313), the top of the partition (304)
Region is set as seal chamber (303), is offered opening (318) in the middle part of the partition (304), is opened up on the partition (304)
Fluted (314), and groove (314) is located at the outer ring of opening (318), the lower section two sides of the groove (314) are respectively and fixedly provided with the
Two pressure sensors (316), the spring (313) are located at the top of partition (304), and the spring (313) passes through the first installation
Plate (310) and the inside upper surface of storage tank (2) are mutually fixed, and are equipped with first among the lower surface of first mounting plate (310)
The lower end of pressure sensor (311), the spring (313) is fixed with lower installation board (315), the lower installation board (315) it is upper
Surface corresponding position vertical with first pressure sensor (311), which is fixed with, smashes head (312), under the lower installation board (315)
Surface corresponding position vertical with groove (314) is fixed with seal rubber block (317), and seal rubber block (317) is inserted into groove
(314) side of inside, the storage tank (2) is equipped with pressure inlet (305), and is equipped with the first electromagnetism on pressure inlet (305)
Control valve (302) is provided with the first controller (309) above first solenoid electric valve (302), the supporting leg (1)
The other side is equipped with relief pipe (307), and second solenoid valve (306) are equipped on relief pipe (307), the relief pipe (307)
Top be provided with second controller (308).
2. a kind of cryogenic liquid tank pressure-regulating device according to claim 1, it is characterised in that: the pressure inlet
(305) it is located at the lower section of partition (304), the relief pipe (307) is located at the lower section of partition (304).
3. a kind of cryogenic liquid tank pressure-regulating device according to claim 1, it is characterised in that: the pressure inlet
(305) one end far from storage tank (2) is connected with tracheae (301), and tracheae (301) is connect with external air charging system.
4. a kind of cryogenic liquid tank pressure-regulating device according to claim 1, it is characterised in that: the first pressure
The model PXM309, the model PXM309 of the second pressure sensor (316) of sensor (311).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821229536.0U CN208634778U (en) | 2018-08-01 | 2018-08-01 | A kind of cryogenic liquid tank pressure-regulating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821229536.0U CN208634778U (en) | 2018-08-01 | 2018-08-01 | A kind of cryogenic liquid tank pressure-regulating device |
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Publication Number | Publication Date |
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CN208634778U true CN208634778U (en) | 2019-03-22 |
Family
ID=65741204
Family Applications (1)
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CN201821229536.0U Expired - Fee Related CN208634778U (en) | 2018-08-01 | 2018-08-01 | A kind of cryogenic liquid tank pressure-regulating device |
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CN (1) | CN208634778U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110442159A (en) * | 2019-07-29 | 2019-11-12 | 十堰恒融实业有限公司 | A kind of automobile aluminum alloy fuel oil box pressure-regulating device and method |
CN110778910A (en) * | 2019-10-30 | 2020-02-11 | 广西电网有限责任公司百色供电局 | Portable full-automatic alarm air supplementing device and using method |
CN114162771A (en) * | 2021-12-10 | 2022-03-11 | 武汉市蓓思美生物科技有限公司 | Filling equipment for producing and processing skin care products and using method |
-
2018
- 2018-08-01 CN CN201821229536.0U patent/CN208634778U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110442159A (en) * | 2019-07-29 | 2019-11-12 | 十堰恒融实业有限公司 | A kind of automobile aluminum alloy fuel oil box pressure-regulating device and method |
CN110778910A (en) * | 2019-10-30 | 2020-02-11 | 广西电网有限责任公司百色供电局 | Portable full-automatic alarm air supplementing device and using method |
CN114162771A (en) * | 2021-12-10 | 2022-03-11 | 武汉市蓓思美生物科技有限公司 | Filling equipment for producing and processing skin care products and using method |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20210801 |