CN208967459U - A kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon - Google Patents
A kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon Download PDFInfo
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- CN208967459U CN208967459U CN201821859148.0U CN201821859148U CN208967459U CN 208967459 U CN208967459 U CN 208967459U CN 201821859148 U CN201821859148 U CN 201821859148U CN 208967459 U CN208967459 U CN 208967459U
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- liquid
- pressurization
- storage tank
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- temperature storage
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Abstract
The utility model discloses a kind of backup pumps for liquid nitrogen, liquid oxygen and liquid argon, belong to standby pump technical field, including low-temperature storage tank, pressurization gasifier and evaporator, the upper surface of low-temperature storage tank is provided with symmetrical lifting lug, the middle-end of the upper surface of low-temperature storage tank is additionally provided with housing safety device, the lower end of the right opposite of low-temperature storage tank is provided with liquidometer and pressure gauge, and liquidometer is located at the side of pressure gauge, and support leg is distributed in the lower surface of low-temperature storage tank.Backup pump of the utility model for liquid nitrogen, liquid oxygen and liquid argon, enter the pressure that needs are compressed in pressurization gasifier by the outflow of pressurization liquid phase nozzle and after filter filters, it is back in low-temperature storage tank by being pressurized liquid back pipe, by pressurization drain pipe discharge, under the pressure regulation effect of pressure regulator valve, entered by conveyance conduit from feed inlet and be evaporated heating in evaporator to it, can satisfied the use demand, provided safeguard for standby work.
Description
Technical field
The utility model relates to standby pump technical field, specially a kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon.
Background technique
Air separation unit refers to the separator of the various composition of air in chemical plant, and nitrogen is specifically isolated from air
The gases such as gas, oxygen, argon gas and some other gas.Detailed process are as follows: the compressed air come from air compressor machine is screened out through molecule
After removing the impurity such as moisture content, carbon dioxide, hydrocarbon, portion of air is sent directly to the upper tower of rectifying column, another part
After then entering the expanded refrigeration of expanding machine, be sent to lower tower, in rectifying column, upflowing vapor and whereabouts liquid after heat exchanges,
The very high nitrogen of purity can be obtained at the top of upper tower, the very high oxygen of purity can be obtained in upper tower bottom.
Traditional liquid nitrogen, liquid oxygen and liquid argon is all to be directly placed in low-temperature storage tank to save mostly, when in use, to it
It is handled, this kind of mode of operation prevents liquid nitrogen, liquid oxygen and liquid argon from timely satisfying the use demand, after cannot being well
Standby work provides safeguard, and therefore, is badly in need of a kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of backup pumps for liquid nitrogen, liquid oxygen and liquid argon, can be to low-temperature storage tank
Liquid nitrogen, liquid oxygen or the liquid argon of interior storage compressed after by evaporator be evaporated heating reach its required liquid nitrogen,
Liquid oxygen or liquid argon can satisfy the use demand, and provide safeguard for standby work, can solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: it is a kind of for liquid nitrogen, liquid oxygen and liquid argon after
Standby pump, including low-temperature storage tank, pressurization gasifier and evaporator, the upper surface of the low-temperature storage tank are provided with symmetrical hang
Ear, the middle-end of the upper surface of the low-temperature storage tank are additionally provided with housing safety device, the lower end of the right opposite of the low-temperature storage tank
It is provided with liquidometer and pressure gauge, the liquidometer is located at the side of pressure gauge, and branch is distributed in the lower surface of the low-temperature storage tank
Support foot, the lower surface of the low-temperature storage tank are additionally provided with vacuum plant, and the upper end of a side end face of the low-temperature storage tank is provided with
Inlet is equipped with liquid feed valve on the inlet, and the lower end of another side end face of the low-temperature storage tank is provided with pressurization liquid phase
Nozzle is equipped with pressurization liquid phase valve on the pressurization liquid phase nozzle, and the pressurization liquid phase nozzle is connected to the filter, the filtering
Device is also connect with pressurization gasifier, and the pressurization gasifier is connect with pressurization liquid back pipe, and the pressurization liquid back pipe is mounted on low temperature
On the upper surface of storage tank, the upper surface of the low-temperature storage tank is additionally provided with pressurization drain pipe, and the pressurization drain pipe passes through conveying
The connection of the feed inlet of pipeline and evaporator, the evaporator is divided into heating room and vaporization chamber, the heating room are located at vaporization chamber
Lower section, the lower end of the evaporator is provided with condensate draining pipe, solenoid valve is equipped on the condensate draining pipe, described
The lower end of evaporator is additionally provided with heating steam inlet, and the upper end of evaporator is provided with exhaust pipe.
Preferably, the middle-end of the lower surface of the low-temperature storage tank is provided with liquid outlet, is equipped with out liquid on the liquid outlet
Valve.
Preferably, it is equipped on the pressurization liquid back pipe and is pressurized back liquid valve.
Preferably, pressurization tapping valve is installed on the pressurization drain pipe.
Preferably, pressure regulator valve is installed on the conveyance conduit.
Preferably, the heating interior is provided with heating tube bundle.
Compared with prior art, the beneficial effects of the utility model are as follows:
Backup pump proposed by the present invention for liquid nitrogen, liquid oxygen and liquid argon, opens liquid feed valve, and liquid nitrogen, liquid oxygen or liquid argon are logical
It crosses inlet and enters storage in low-temperature storage tank, open pressurization liquid phase valve, liquid nitrogen, liquid oxygen or the liquid argon stored in low-temperature storage tank later
Enter the pressure for being compressed to needs in pressurization gasifier by the outflow of pressurization liquid phase nozzle and after filter filters, beats later
It opens and is pressurized back liquid valve, be back in low-temperature storage tank by being pressurized liquid back pipe, and open pressurization tapping valve, by pressurization drain pipe row
Out, under the pressure regulation effect of pressure regulator valve, entered in evaporator by conveyance conduit from feed inlet, pass through heating steam inlet later
It is passed through heating steam, the heating tube bundle for heating indoor setting is evaporated heating to it, and the steam of generation is discharged by exhaust pipe,
And generated condensed water is discharged by condensate draining pipe in evaporation temperature-rise period, this is used for liquid nitrogen, liquid oxygen and liquid argon
Backup pump the liquid nitrogen, liquid oxygen or liquid argon stored in low-temperature storage tank can be compressed after heating is evaporated by evaporator
Reach its required liquid nitrogen, liquid oxygen or liquid argon, can satisfy the use demand, is provided safeguard for standby work.
Detailed description of the invention
Fig. 1 is the schematic diagram of the backup pump for liquid nitrogen, liquid oxygen and liquid argon of the utility model；
Fig. 2 is the schematic diagram of the low-temperature storage tank of the utility model；
Fig. 3 is the schematic diagram of the evaporator of the utility model.
In figure: 1, low-temperature storage tank；11, lifting lug；12, housing safety device；13, liquidometer；14, pressure gauge；15, it supports
Foot；16, vacuum plant；17, liquid outlet；171, liquid valve；18, inlet；181, liquid feed valve；19, it is pressurized liquid phase nozzle；191,
It is pressurized liquid phase valve；110, it is pressurized liquid back pipe；1101, it is pressurized back liquid valve；111, it is pressurized drain pipe；1111, it is pressurized tapping valve；2, increase
Press gasifier；3, evaporator；31, room is heated；311, heating tube bundle；32, vaporization chamber；33, feed inlet；34, condensate draining pipe；
341, solenoid valve；35, steam inlet is heated；36, exhaust pipe；4, filter；5, conveyance conduit；51, pressure regulator valve.
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. 1-3, a kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon, including low-temperature storage tank 1, pressurization gasifier 2
With evaporator 3, the upper surface of low-temperature storage tank 1 is provided with symmetrical lifting lug 11, and the middle-end of the upper surface of low-temperature storage tank 1 is also set
It is equipped with housing safety device 12, the lower end of the right opposite of low-temperature storage tank 1 is provided with liquidometer 13 and pressure gauge 14, and liquidometer 13
In the side of pressure gauge 14, liquidometer 13 and pressure gauge 14 are respectively used to show the liquid level and pressure of low-temperature storage tank 1, low-temperature storage tank
Support leg 15 is distributed in 1 lower surface, and the lower surface of low-temperature storage tank 1 is additionally provided with vacuum plant 16, the lower surface of low-temperature storage tank 1
Middle-end be provided with liquid outlet 17, liquid valve 171 is installed on liquid outlet 17, opens liquid valve 171, storage in low-temperature storage tank 1
Liquid nitrogen, liquid oxygen or liquid argon can be discharged by liquid outlet 17, the upper end of a side end face of low-temperature storage tank 1 is provided with inlet 18,
Liquid feed valve 181 is installed on inlet 18, opens liquid feed valve 181, liquid nitrogen, liquid oxygen or liquid argon enter low temperature by inlet 18 and store up
Storage in tank 1, the lower end of another side end face of low-temperature storage tank 1 are provided with pressurization liquid phase nozzle 19, are pressurized on liquid phase nozzle 19 and pacify
Equipped with pressurization liquid phase valve 191, pressurization liquid phase nozzle 19 is connect with filter 4, and filter 4 is also connect with pressurization gasifier 2, is opened
It is pressurized liquid phase valve 191, liquid nitrogen, liquid oxygen or the liquid argon stored in low-temperature storage tank 1 is flowed out and passed through by pressurization liquid phase nozzle 19
Filter 4 enters the pressure that needs are compressed in pressurization gasifier 2 after filtering, pressurization gasifier 2 is connect with pressurization liquid back pipe 110,
Pressurization liquid back pipe 110 is mounted on the upper surface of low-temperature storage tank 1, is equipped on pressurization liquid back pipe 110 and is pressurized back liquid valve 1101, low
The upper surface of warm storage tank 1 is additionally provided with pressurization drain pipe 111, is pressurized on drain pipe 111 and is equipped with pressurization tapping valve 1111, pressurization
Drain pipe 111 is connect by conveyance conduit 5 with the feed inlet 33 of evaporator 3, and pressure regulator valve 51 is equipped on conveyance conduit 5, is opened
It is pressurized liquid phase valve 191, liquid nitrogen, liquid oxygen or the liquid argon stored in low-temperature storage tank 1 is flowed out and passed through by pressurization liquid phase nozzle 19
Filter 4 enters the pressure that needs are compressed in pressurization gasifier 2 after filtering, open be pressurized back liquid valve 1101 later, pass through pressurization
Liquid back pipe 110 is back in low-temperature storage tank 1, and opens pressurization tapping valve 1111, is discharged by pressurization drain pipe 111, in pressure regulation
Under the pressure regulation effect of valve 51, entered in evaporator 3 by conveyance conduit 5 from feed inlet 33, evaporator 3 is divided into heating 31 He of room
Vaporization chamber 32, heating room 31 is located at the lower section of vaporization chamber 32, heats in room 31 and be provided with heating tube bundle 311, by heating steam
Import 35 is passed through heating steam, and the heating tube bundle 311 being arranged in heating room 31 is evaporated heating to it, and the steam of generation passes through
Exhaust pipe 36 is discharged, and generated condensed water is discharged by condensate draining pipe 34 in evaporation temperature-rise period, this is used for
The backup pump of liquid nitrogen, liquid oxygen and liquid argon passes through steaming after being compressed to liquid nitrogen, liquid oxygen or the liquid argon stored in low-temperature storage tank 1
Hair device is evaporated heating and reaches its required liquid nitrogen, liquid oxygen or liquid argon, can satisfy the use demand, and provides guarantor for standby work
Barrier, the lower end of evaporator 3 are provided with condensate draining pipe 34, and solenoid valve 341 is equipped on condensate draining pipe 34, open electromagnetism
Valve 341, generated condensed water is discharged by condensate draining pipe 34 in evaporation temperature-rise period, and the lower end of evaporator 3 is also set
It is equipped with heating steam inlet 35, is passed through heating steam by heating steam inlet 35, the upper end of evaporator 3 is provided with exhaust pipe
36, the interior heating tube bundle 311 being arranged in heating room 31 is evaporated heating to it, and the steam of generation is discharged by exhaust pipe 36.
Working principle: opening liquid feed valve 181, and liquid nitrogen, liquid oxygen or liquid argon enter storage in low-temperature storage tank 1 by inlet 18
It deposits, opens pressurization liquid phase valve 191 later, liquid nitrogen, liquid oxygen or the liquid argon stored in low-temperature storage tank 1 is flowed by pressurization liquid phase nozzle 19
Enter out and after the filtering of filter 4 pressure for being compressed to needs in pressurization gasifier 2, opens be pressurized back liquid valve later
1101, it is back in low-temperature storage tank 1 by being pressurized liquid back pipe 110, and open pressurization tapping valve 1111, by being pressurized drain pipe
111 discharges are entered in evaporator 3 from feed inlet 33 by conveyance conduit 5, are passed through later under the pressure regulation effect of pressure regulator valve 51
Heating steam inlet 35 is passed through heating steam, and the heating tube bundle 311 being arranged in heating room 31 is evaporated heating to it, generation
Steam is discharged by exhaust pipe 36, and generated condensed water passes through 34 row of condensate draining pipe in evaporation temperature-rise period
Out, which can compress liquid nitrogen, liquid oxygen or the liquid argon stored in low-temperature storage tank 1
Heating is evaporated by evaporator later and reaches its required liquid nitrogen, liquid oxygen or liquid argon, can be satisfied the use demand, is standby
Work provides safeguard.
In summary: backup pump of the utility model for liquid nitrogen, liquid oxygen and liquid argon opens liquid feed valve 181, liquid nitrogen, liquid
Oxygen or liquid argon are entered in low-temperature storage tank 1 by inlet 18 to be stored, and opens pressurization liquid phase valve 191, storage in low-temperature storage tank 1 later
Liquid nitrogen, liquid oxygen or liquid argon by pressurization liquid phase nozzle 19 outflow and by filter 4 filtering after enter pressurization 2 internal pressure of gasifier
It is reduced to the pressure of needs, opens be pressurized back liquid valve 1101 later, is back in low-temperature storage tank 1 by being pressurized liquid back pipe 110, and beat
Open pressurization tapping valve 1111, by pressurization drain pipe 111 be discharged, pressure regulator valve 51 pressure regulation effect under, by conveyance conduit 5 from
Feed inlet 33 enters in evaporator 3, is passed through heating steam, the heating being arranged in heating room 31 by heating steam inlet 35 later
Tube bank 311 is evaporated heating to it, and the steam of generation is discharged by exhaust pipe 36, and produced in evaporation temperature-rise period
Condensed water be discharged by condensate draining pipe 34, which can be to storing up in low-temperature storage tank 1
Liquid nitrogen, liquid oxygen or the liquid argon deposited are evaporated heating by evaporator after being compressed and reach its required liquid nitrogen, liquid oxygen
Or liquid argon, it can satisfy the use demand, be provided safeguard for standby work.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon, including low-temperature storage tank (1), pressurization gasifier (2) and evaporator
(3), it is characterised in that: the upper surface of the low-temperature storage tank (1) is provided with symmetrical lifting lug (11), the low-temperature storage tank
(1) middle-end of upper surface is additionally provided with housing safety device (12), and the lower end of the right opposite of the low-temperature storage tank (1) is provided with
Liquidometer (13) and pressure gauge (14), the liquidometer (13) are located at the side of pressure gauge (14), under the low-temperature storage tank (1)
Surface is distributed with support leg (15), and the lower surface of the low-temperature storage tank (1) is additionally provided with vacuum plant (16), the low-temperature storage tank
(1) upper end of a side end face is provided with inlet (18), is equipped with liquid feed valve (181) on the inlet (18), described low
The lower end of another side end face of warm storage tank (1) is provided with pressurization liquid phase nozzle (19), installs on the pressurization liquid phase nozzle (19)
Have pressurization liquid phase valve (191), the pressurization liquid phase nozzle (19) connect with filter (4), the filter (4) also with pressurization gas
Change device (2) connection, the pressurization gasifier (2) connect with pressurization liquid back pipe (110), and the pressurization liquid back pipe (110) is mounted on
On the upper surface of low-temperature storage tank (1), the upper surface of the low-temperature storage tank (1) is additionally provided with pressurization drain pipe (111), the pressurization
Drain pipe (111) is connect by conveyance conduit (5) with the feed inlet (33) of evaporator (3), and the evaporator (3) is divided into heating
Room (31) and vaporization chamber (32), heating room (31) are located at the lower section of vaporization chamber (32), the lower end setting of the evaporator (3)
Have condensate draining pipe (34), be equipped with solenoid valve (341) on the condensate draining pipe (34), under the evaporator (3)
End is additionally provided with heating steam inlet (35), and the upper end of the evaporator (3) is provided with exhaust pipe (36).
2. a kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon according to claim 1, it is characterised in that: the low temperature
The middle-end of the lower surface of storage tank (1) is provided with liquid outlet (17), is equipped with liquid valve (171) on the liquid outlet (17).
3. a kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon according to claim 1, it is characterised in that: the pressurization
It is equipped on liquid back pipe (110) and is pressurized go back to liquid valve (1101).
4. a kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon according to claim 1, it is characterised in that: the pressurization
Pressurization tapping valve (1111) is installed on drain pipe (111).
5. a kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon according to claim 1, it is characterised in that: the conveying
Pressure regulator valve (51) are installed on pipeline (5).
6. a kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon according to claim 1, it is characterised in that: the heating
Heating tube bundle (311) are provided in room (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859148.0U CN208967459U (en) | 2018-11-08 | 2018-11-08 | A kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859148.0U CN208967459U (en) | 2018-11-08 | 2018-11-08 | A kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208967459U true CN208967459U (en) | 2019-06-11 |
Family
ID=66765192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821859148.0U Expired - Fee Related CN208967459U (en) | 2018-11-08 | 2018-11-08 | A kind of backup pump for liquid nitrogen, liquid oxygen and liquid argon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208967459U (en) |
-
2018
- 2018-11-08 CN CN201821859148.0U patent/CN208967459U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190611 Termination date: 20211108 |