CN207349790U - A kind of scene supply automatic switchover back-up system device - Google Patents
A kind of scene supply automatic switchover back-up system device Download PDFInfo
- Publication number
- CN207349790U CN207349790U CN201720497321.6U CN201720497321U CN207349790U CN 207349790 U CN207349790 U CN 207349790U CN 201720497321 U CN201720497321 U CN 201720497321U CN 207349790 U CN207349790 U CN 207349790U
- Authority
- CN
- China
- Prior art keywords
- valve
- surge tank
- vpsa
- vaporizer
- pipeline
- 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
Abstract
The utility model discloses a kind of scene supply automatic switchover back-up system device, including low-temperature liquid storage tank, vaporizer, surge tank and with device of air, there are liquid emission valve and pneumatic control valve by pipeline between low-temperature liquid storage tank and vaporizer, vaporization outlet shut-off valve is connected with turn by pipeline between vaporizer and surge tank, Self-driven pressure-adjusting valve, surge tank inlet shutoff valve, vaporizer outlets check valve, surge tank is equipped with digital display manometer and safety valve, surge tank entrance is also associated with VPSA Outlet check valves by pipeline, VPSA outlet shutoff valves, VPSA oxygenerators, surge tank and with being additionally provided with surge tank outlet shutoff valve between device of air.The utility model by adding scene supply back-up system, avoid because VPSA oxygenerators break down stop transport or it is normal stop transport when influence to client's device of air and caused by unnecessary loss, it is ensured that client is with gas safety.
Description
Technical field
A kind of scene supply back-up system is the utility model is related to, more specifically, it relates to which a kind of scene supply is automatic
Switch back-up system device.
Background technology
In central gas supply system, automatic switching control equipment is to ensure that client stablizes with gas, is played in whole air supply system
Important effect.In recent years, substantial amounts of work has been carried out to how to improve automatic switchover security both at home and abroad.New supply system
System automatic switching control equipment increasingly obtains the attention of domestic and international manufacturer.Its security is higher, easy to use, security reliability
It is good.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided a kind of simple in structure, safe and reliable shows
Field supply automatic switchover back-up system device.
In order to achieve the above object, the technical solution adopted in the utility model is：
A kind of scene supply automatic switchover back-up system device, including low-temperature liquid storage tank, the low-temperature liquid storage tank
Outlet is connected with by pipeline：For the vaporizer of cryogenic liquid spraying, surge tank and use device of air；The cryogenic liquid
Liquid emission valve and pneumatic control valve are connected with turn by pipeline between storage tank and vaporizer；The vaporizer and surge tank it
Between vaporization outlet shut-off valve, Self-driven pressure-adjusting valve, surge tank inlet shutoff valve, vaporizer outlets list be connected with turn by pipeline
To valve；The surge tank is equipped with digital display manometer and safety valve, and the surge tank entrance is also associated with by pipeline
VPSA Outlet check valves, VPSA outlet shutoff valves, VPSA oxygenerators；The surge tank and it is additionally provided with between device of air
Surge tank outlet shutoff valve.
Further, the pneumatic control valve is controlled by VPSA oxygenerator control systems, when VPSA failures
Pneumatic control valve opening is interlocked during stoppage in transit to be supplied.
Further, the Self-driven pressure-adjusting valve be for stablize client's device of air with makings amount.
The utility model by add scene supply back-up system, avoid because VPSA oxygenerators break down stop transport or just
Influence to client's device of air when often stopping transport and cause unnecessary loss, by setting pneumatic control valve on pipeline, be
More timely given during in order to exception occur and provide source of the gas with device of air, accomplish that back-up system is safe and reliable certainly with VPSA oxygenerators
Dynamic switching, it is ensured that client is safe with gas.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of specific embodiment of the utility model.
It is shown in figure：1- low-temperature liquid storage tanks；2- liquid emission valves；2a- vaporization outlet shut-off valves；2b- surge tanks into
Mouth shut-off valve；2c-VPSA outlet shutoff valves；2d- surge tank outlet shutoff valves；3- pneumatic control valves；4- vaporizers；5- self-operated types
Pressure regulator valve；6- vaporizer outlets check valves；6a-VPSA Outlet check valves；7-VPSA oxygenerators；8- surge tanks；9- digital display pressures
Power table；10- safety valves；11- device of air.
Embodiment
For the ease of the understanding of those skilled in the art, the utility model is further described below in conjunction with the accompanying drawings.
A kind of scene supply automatic switchover back-up system device as shown in Figure 1, including low-temperature liquid storage tank 1, described is low
Geothermal liquid storage tank 1 is exported to be connected with by pipeline：For the vaporizer 4 of cryogenic liquid spraying, surge tank 8 and use device of air
11；Liquid emission valve 2 and pneumatic control valve are connected with turn by pipeline between the low-temperature liquid storage tank 1 and vaporizer 4
3；Vaporization outlet shut-off valve 2a, Self-driven pressure-adjusting valve 5 are connected with turn by pipeline between the vaporizer 4 and surge tank 8, delayed
Rush tank inlet shutoff valve 2b, vaporizer outlets check valve 6；The surge tank 8 is equipped with digital display manometer 9 and safety valve 10,
8 entrance of surge tank is also associated with VPSA Outlet check valves 6a, VPSA outlet shutoff valve 2c, VPSA systems by pipeline
Oxygen device 7；The surge tank 8 and with being additionally provided with surge tank outlet shutoff valve 2d between device of air 11.
Further, the pneumatic control valve 3 is controlled by 7 control system of VPSA oxygenerators, when VPSA systems
The opening of pneumatic control valve 3 is interlocked when 7 failure of oxygen device is stopped transport to be supplied.
Further, the Self-driven pressure-adjusting valve 5 be for stablize client's device of air with makings amount.
The utility model using the above scheme after, have the advantage that compared with prior art：
Effect can be truly had to ensure that client is safe and reliable with gas.
The degree of automation is high.
For a preferred embodiment of the utility model, in the case of the utility model design is not departed from, carry out any aobvious
And the deformation and replacement being clear to, belong to scope of protection of the utility model.
Claims (3)
1. a kind of scene supply automatic switchover back-up system device, including low-temperature liquid storage tank (1), the low-temperature liquid storage tank
(1) outlet is connected with by pipeline：For the vaporizer (4) of cryogenic liquid spraying, surge tank (8) and with device of air (11)；
Liquid emission valve (2) and pneumatic adjusting are connected with turn by pipeline between the low-temperature liquid storage tank (1) and vaporizer (4)
Valve (3)；Vaporization outlet shut-off valve (2a), self-operated type are connected with turn by pipeline between the vaporizer (4) and surge tank (8)
Pressure regulator valve (5), surge tank inlet shutoff valve (2b), vaporizer outlets check valve (6)；The surge tank (8) is equipped with digital display
Pressure gauge (9) and safety valve (10), the surge tank (8) entrance are also associated with VPSA Outlet check valves by pipeline
(6a), VPSA outlet shutoff valves (2c), VPSA oxygenerators (7)；The surge tank (8) and also set between device of air (11)
There is surge tank outlet shutoff valve (2d).
A kind of 2. scene supply automatic switchover back-up system device according to claim 1, it is characterised in that：The gas
Dynamic regulating valve (3) is controlled by VPSA oxygenerators (7) control system, is joined when VPSA oxygenerators (7) failure is stopped transport
Lock pneumatic control valve (3) is opened and supplied.
A kind of 3. scene supply automatic switchover back-up system device according to claim 1, it is characterised in that：It is described from
Power formula pressure regulator valve (5) be for stablize client's device of air with makings amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720497321.6U CN207349790U (en) | 2017-04-25 | 2017-04-25 | A kind of scene supply automatic switchover back-up system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720497321.6U CN207349790U (en) | 2017-04-25 | 2017-04-25 | A kind of scene supply automatic switchover back-up system device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349790U true CN207349790U (en) | 2018-05-11 |
Family
ID=62361318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720497321.6U Active CN207349790U (en) | 2017-04-25 | 2017-04-25 | A kind of scene supply automatic switchover back-up system device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234047A (en) * | 2021-12-03 | 2022-03-25 | 清远南玻节能新材料有限公司 | Nitrogen pressure-stabilizing energy-saving system and method for liquid nitrogen storage tank |
-
2017
- 2017-04-25 CN CN201720497321.6U patent/CN207349790U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234047A (en) * | 2021-12-03 | 2022-03-25 | 清远南玻节能新材料有限公司 | Nitrogen pressure-stabilizing energy-saving system and method for liquid nitrogen storage tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203363663U (en) | Nitrogen pressure control system for chemical storage tank | |
| CN207349790U (en) | A kind of scene supply automatic switchover back-up system device | |
| CN207162118U (en) | A kind of LNG air supply systems | |
| CN206535212U (en) | Liquid ammonia evaporation system | |
| CN204664860U (en) | A kind of concentrated nitrogen gas supply system | |
| CN210829929U (en) | Compressed air supply system of electric pole production workshop | |
| CN103727392A (en) | Important instrument air source switching device | |
| CN102974015A (en) | Medical oxygen supply device with automatic oxygen source switching function | |
| CN215446036U (en) | Air separation factory security nitrogen gas supply system | |
| CN210219328U (en) | Compressed air centralized supply system of thermal power plant with double-pressure double-mother pipe | |
| CN103982223B (en) | Compressed-air supply system | |
| CN204005247U (en) | Improved instrument air process system | |
| CN203976835U (en) | A kind of device of many mutual wind turnings of blower unit of many blast furnaces | |
| CN212319420U (en) | Low-temperature gas constant-pressure gas supply device | |
| CN103807153A (en) | Automatic control energy saving system and control method thereof | |
| KR20180073014A (en) | Gas supplying apparatus | |
| CN206831141U (en) | A kind of automatic compression drying device of natural gas | |
| CN203146269U (en) | Gas supplying device for dry gas sealing of compressor | |
| CN218023303U (en) | Low-temperature propane storage tank pressure control system | |
| CN206721238U (en) | Blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations | |
| CN206246404U (en) | A kind of sealing device for improving air-seperation system product purity | |
| CN220269138U (en) | Nitrogen system for chemical industry | |
| CN205561583U (en) | Condenser vacuum automatic voltage regulator | |
| CN220056907U (en) | Oxygen-enriched safety control device in front of blast furnace blower | |
| CN109625669A (en) | Ammonium hydroxide storage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |