CN108954001A - A kind of zero gap air supply system of space division cluster to downstream process system - Google Patents
A kind of zero gap air supply system of space division cluster to downstream process system Download PDFInfo
- Publication number
- CN108954001A CN108954001A CN201810818790.2A CN201810818790A CN108954001A CN 108954001 A CN108954001 A CN 108954001A CN 201810818790 A CN201810818790 A CN 201810818790A CN 108954001 A CN108954001 A CN 108954001A
- Authority
- CN
- China
- Prior art keywords
- pressure
- valve
- pipeline
- gasifier
- space division
- 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.)
- Pending
Links
- 238000011143 downstream manufacturing Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 105
- 239000007853 buffer solution Substances 0.000 claims abstract description 15
- 239000012263 liquid product Substances 0.000 claims abstract description 7
- 101100162401 Arabidopsis thaliana ALE2 gene Proteins 0.000 claims description 14
- 238000000638 solvent extraction Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000002309 gasification Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 61
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 40
- 229910052757 nitrogen Inorganic materials 0.000 description 18
- 239000000047 product Substances 0.000 description 18
- 101100476734 Arabidopsis thaliana SBT2.4 gene Proteins 0.000 description 9
- 101150091027 ale1 gene Proteins 0.000 description 9
- 238000003287 bathing Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 239000013589 supplement Substances 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0119—Shape cylindrical with flat end-piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/032—Orientation with substantially vertical main axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/052—Size large (>1000 m3)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/014—Nitrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/013—Single phase liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A kind of zero gap air supply system of space division cluster to downstream process system, it includes: the space division cluster formed by more covering air separation plant, one back-up system with cryogenic liquid pump, gasifier, big volume storage tank and emergency power supply and a buffer system comprising pipe network, liquid tank with pressure and gas tank with pressure, three is connected by pipeline with valve, when space division cluster operates normally, the just common gas of downstream process system is supplied by the space division cluster normal table；Back-up system includes at least gasifier, big volume storage tank and the emergency power supply of the cryogenic liquid pump of two kinds of pressure ratings, two kinds of pressure ratings, the liquid product of space division cluster is connected by pipeline and valve with the big volume storage tank, and big volume storage tank is connected by pipeline and valve with the cryogenic liquid pump of described two pressure ratings；Cryogenic liquid pump is connected by pipeline and valve with the gasifier entrance, and gasifier exit is connected by pipeline and valve with the pipe network of the buffer system.
Description
Technical field
The present invention relates to a kind of space division clusters to zero gap air supply system of downstream process system, belongs to cryogenic technique neck
Domain.
Background technique
In industrial gas process system, especially coal chemical industry, need by covering the space division using low-temperature deep technology more
Equipment produces oxygen and nitrogen as such as unstripped gas, purifying solvent, protection gas, displacement gas and carrier gas.In certain technique occasions
Under, the oxygen of air separation plant, spy plus be offer that nitrogen needs continuous-stable, even in power cut of whole factory and the accident for stopping steam
Accident occur when, it is also desirable to according to the requirement of downstream process system, stable offer nitrogen at least several hours free of discontinuities so as to
The parking of downstream process system energy safety.And the matched back-up system of air separation plant is too simple at present, is not able to satisfy above-mentioned
The complicated requirement referred to；Or the configuration of some back-up systems is again excessively complicated, does not optimize, increases equipment investment.
Summary of the invention
It is an object of the invention to overcome deficiency existing for existing air supply system, provide it is a kind of configuration rationally, securely and reliably,
Zero gap air supply system of the space division cluster to downstream process system of equipment investment can be reduced.
The object of the present invention is achieved by the following technical solutions, and a kind of space division cluster is to the zero of downstream process system
Gap air supply system, it is included at least: a space division cluster formed by more covering air separation plant, band a cryogenic liquid pump, gas
Changing the back-up system of device, big volume storage tank and emergency power supply and one includes pipe network, liquid tank with pressure and gas with pressure
The buffer system of tank, three are connected by pipeline with valve, and the space division cluster, which has, produces the downstream process system
The function of the gas and/or liquid product that need, when the space division cluster operates normally, the just common gas of downstream process system
It is supplied by the space division cluster normal table；
The back-up system includes at least gasifier, the big volume of the cryogenic liquid pump of two kinds of pressure ratings, two kinds of pressure ratings
The liquid product of storage tank and emergency power supply, the space division cluster is connected by pipeline and valve with the big volume storage tank, described
Big volume storage tank is connected by pipeline and valve with the cryogenic liquid pump of described two pressure ratings；The cryogenic liquid pump passes through
Pipeline and valve are connected with the gasifier entrance, and the gasifier exit passes through pipeline and valve and the buffer system
Pipe network be connected.
As preferred: the zero gap air supply system is also configured with one for providing electric power when normal power failure
Emergency power supply, the emergency power supply include can self-running diesel generating set, UPS, EPS power supply, direct-flow storage battery one kind
Or various emergency device；
The unlatching of the cryogenic liquid pump receives the stop sign of the space division cluster, and with unlatching logic；
With the partitioning system for gasifier maintenance between the pipe network of the gasifier and the buffer system.
As preferred: the buffer system includes at least pipe network system, the liquid can system with pressure of two kinds of pressure ratings
With compressed gas can system, the compressed gas can system includes at least the gas of the cryogenic liquid pump of maximum pressure, maximum pressure
Change device and compressed gas tank, three are connected by pipeline with valve；The cryogenic liquid pump by pipeline and valve with
Storage tank is connected, and the outlet of the cryogenic liquid pump is connected by pipeline and valve with the gasifier entrance, the gasification
The outlet of device is connected by pipeline and valve with the compressed gas tank entrance, and the outlet of the compressed gas tank passes through pipeline
It is connected with valve with the first pressure pipe network system；With for described between the gasifier inlet and outlet and upstream and downstream
The partitioning system of gasifier maintenance；The liquid can system with pressure includes at least liquid tank with pressure, the second pressure Low Temperature Liquid
Body pump is connected by pipeline and valve with the liquid tank entrance with pressure, and the liquid tank outlet with pressure passes through pipeline and valve
It is connected with the second pressure gasifier.
The present invention has configuration rationally, securely and reliably, the features such as equipment investment can be reduced.
Detailed description of the invention
Fig. 1 is the flow chart of one embodiment of the present invention.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings: shown in Fig. 1, a kind of space division cluster pair of the present invention
Zero gap air supply system of downstream process system, it is included at least: a space division cluster 1 formed by more covering air separation plant, and one
A back-up system 2 with cryogenic liquid pump, gasifier, big volume storage tank and emergency power supply and one include pipe network, with pressure
The buffer system 3 of liquid tank and gas tank with pressure, three are connected by pipeline with valve, and the space division cluster 1 is by more
Air separation plant ASU composition is covered, has the function of producing the gas and/or liquid product that the downstream process system needs, it is described
Space division cluster 1 when operating normally, the just common gas of downstream process system is supplied by 1 normal table of space division cluster.
As shown in the figure, the back-up system 2 includes at least cryogenic liquid pump HP, MP of two kinds of pressure ratings, two kinds of pressure
Gasifier WLE1, WLE2, ALE1, ALE2, big volume storage tank SV and the emergency power supply PO of grade, the liquid of the space division cluster 1
Product is connected by pipeline and valve with the storage tank SV, and the storage tank SV passes through pipeline and valve and described two pressure ratings
Cryogenic liquid pump HP, MP be connected.
The unlatching of described cryogenic liquid pump HP, MP receive the stop sign of the space division cluster 1, and with unlatching logic；
Described cryogenic liquid pump HP, MP are connected by pipeline and valve with gasifier WLE1, WLE2, ALE1, ALE2 entrance, institute
The outlet gasifier WLE1, WLE2, ALE1, ALE2 stated is connected by pipeline and valve with the pipe network of the buffer system 3, described
Gasifier WLE1, WLE2, ALE1, ALE2 and the buffer system 3 the pipe network between have partitioning system, for described
The maintenance of gasifier WLE1, WLE2, ALE1, ALE2.
The zero gap air supply system is also configured with one and answers urgent telegram for providing electric power when normal power failure
Source PO, emergency power supply PO include can self-running diesel generating set, UPS, EPS power supply, direct-flow storage battery one kind or more
Kind emergency set；
Described cryogenic liquid pump HP, MP are in the state of cold standby or low speed running down when normal condition；When the space division cluster 1 issues
When stop sign, described cryogenic liquid pump HP, MP are quickly from cold standby or low speed running down state load to full load condition, after pressurization
Liquid after described water bath type gasifier WLE1, WLE2 are gasificated into gas products enter the pipe network to supply.
When the electricity and steam of regular supply are out of order and cause the space division cluster 1 that cannot run, the emergency
Power supply PO supplies electrical power to described cryogenic liquid pump HP, MP, keeps described cryogenic liquid pump HP, MP quickly lazy from cold standby or low speed
Turn state load to full load condition, the liquid after pressurization is gasificated into gas products through described air-bathing gasifier ALE1, ALE2
Enter the pipe network afterwards to supply.
The buffer system 3 includes at least pipe network system HPP, MPP of two kinds of pressure ratings, liquid can system with pressure
MLIBS and compressed gas can system HGBS, the compressed gas can system HGBS include at least the cryogenic liquid pump of maximum pressure
SHP, the gasifier AL of maximum pressure and compressed gas tank HGB, three are connected by pipeline with valve；The storage tank SV passes through
Pipeline and valve are connected with the cryogenic liquid pump SHP, and the outlet of the cryogenic liquid pump SHP passes through pipeline and valve and institute
It states gasifier AL entrance to be connected, the outlet of the gasifier AL passes through pipeline and valve and the compressed gas tank HGB entrance
It is connected, the outlet of the compressed gas tank HGB is connected by pipeline and valve with the first pressure pipe network system HPP.
Partitioning system, the maintenance for the gasifier AL are had between the gasifier AL inlet and outlet and upstream and downstream.It is described with pressure
Liquid can system MLIBS includes at least liquid tank MLIB with pressure, and the second pressure cryogenic liquid pump MP passes through pipeline and valve
It is connected with the liquid tank MLIB entrance with pressure, the outlet liquid tank MLIB with pressure passes through pipeline and valve and described second
Pressure gasifier WLE2, ALE2 are connected.
When the gas pressure in the compressed gas tank HGB is lower than setting value, the maximum pressure cryogenic liquid pump SHP
Self-starting work, the liquid of pressurization enter the compressed gas tank HGB after maximum pressure gasifier AL is gasificated into gas.Work as institute
When stating the operating pressure of first pressure pipe network HP lower than setting value, the outlet valve of the compressed gas tank HGB is opened, the band
Gas decompression in pressure gas tank HGB releases, and supplements the gas in the first pressure pipe network HP；When the pipe network HP's
When operating pressure is higher than setting value, the outlet valve of the compressed gas tank HGB closes valve.
When the liquid level in the liquid tank MLIB with pressure is lower than setting value, the second pressure cryogenic liquid pump MP
The liquid of self-starting work, pressurization enters the liquid tank MLIB with pressure.When the operating pressure of the second pressure pipe network MP is low
When setting value, the solution pressure valve V1 connected between the first pressure pipe network HP and the second pressure pipe network MP is opened to the pipe
MP gas supply is netted, while the outlet valve of the liquid tank MLIB with pressure is opened, the cryogenic liquid in the liquid tank MLIB with pressure
It releases, supplements the pipe network MP after described gasifier WLE2, ALE2 are gasificated into gas；When the work of the pipe network MP
When pressure is higher than design value, the solution pressure valve V1 closes valve.
The maximum pressure is higher than the first pressure, and the first pressure is higher than the second pressure.
Legend as shown in Figure 1, the space division cluster 1 is according to the needs of space division technique process and downstream process system
Contain several product compressor TC.
The operating pressure oscillations of pipe network HPP, MPP described in described cryogenic liquid pump HP, MP are not more than the 5% of operating pressure.When
When the electricity and steam of regular supply are out of order, the zero gap air supply system can at least provide 4 hours gas, to meet
The needs of downstream process system.
Embodiment: in the embodiment in figure 1, the first pressure product produced from the space division cluster 1 of normal operation
Gas (pressure 7.0MPaG, flow 41,000Nm3The nitrogen of/h), second pressure product gas (pressure be 1.0 MPaG,
Flow is 416,800Nm3The nitrogen of/h) and liquid product (liquid nitrogen) respectively enter first pressure pipe network HPP, second pressure pipe network
MPP and big volume storage tank SV(3000m3Liquid nitrogen storage) with to downstream process system normal table supply and for liquid.Pipe network
The operating pressure oscillations of HPP and pipe network MPP cannot be greater than the 5% of operating pressure.When the electricity and steam of regular supply are out of order,
The zero gap air supply system can at least provide 4 hours first pressure gas (pressure 7.0MPaG, flow 30,
000 Nm3/ h) and second pressure gas (pressure 1.0MPaG, 70,000 Nm of flow3/ h), to meet downstream process system
Needs.
Cryogenic liquid pump HP(outlet pressure of the back-up system 2 with first pressure is 7.0MPaG, flow 80,000
Nm3The liquid nitrogen pump of/h), the air-bathing gasifier ALE1(operating pressure of first pressure be 7.0MPaG, 30,000 Nm of flow3/
H), the water bath type gasifier WLE1(operating pressure of first pressure is 7.0MpaG, 80,000 Nm of flow3/ h) and second pressure
Cryogenic liquid pump MP(outlet pressure be 1.0-1.2MPaG, 70,000 Nm of flow3The liquid nitrogen pump of/h), the sky of second pressure
Bathing gasifier ALE2(operating pressure is 1.0MPaG, 70,000 Nm of flow3/ h), the water bath type gasifier of second pressure
WLE2(operating pressure is 1.0MpaG, 70,000 Nm of flow3/ h).
In normal condition, cryogenic liquid pump HP, MP are in the state of cold standby or low speed running down, and its unlatching receives space division
The stop sign of cluster 1, and with logic is opened, it can be at most 30 seconds from low speed running down state load to shape at full capacity
State.When space division cluster 1 issues stop sign, first pressure cryogenic liquid pump HP and second pressure cryogenic liquid pump MP difference are fast
Speed is from cold standby or low speed running down state load to full load condition, and the liquid after pressurization is respectively through first pressure water bath type gasifier
WLE1 and second pressure water bath type gasifier WLE2 is gasificated into gas products (pressure 7.0MPaG, 80,000 Nm of flow3/h
Product high pressure nitrogen gas and pressure be 1.0MpaG, 70,000 Nm of flow3The low-pressure nitrogen product of/h) after respectively enter pipe network
HPP and pipe network MPP are to supply.
When regular supply electricity and steam be out of order and cause space division cluster 1 that cannot run when, the UPS of emergency power supply PO and
EPS first powers, while diesel generating set is started within 15 seconds, and it is small that diesel generating set can provide back-up system at least 4
When power demand.First pressure cryogenic liquid pump HP and second pressure cryogenic liquid pump MP is quickly lazy from cold standby or low speed respectively
Turn state load to full load condition, the liquid after pressurization is respectively through first pressure air-bathing gasifier ALE1 and second pressure water
Bathing gasifier ALE2 is gasificated into gas products (pressure 7.0MPaG, 30,000 Nm of flow3The product high pressure nitrogen gas of/h and
Pressure is 1.0MpaG, 70,000 Nm of flow3The low-pressure nitrogen product of/h) after respectively enter pipe network HPP and pipe network MPP for
Gas.
The pipe network system HPP of buffer system 3 including the first pressure grade and pipe network system MPP of second pressure grade, the
Two pressure fluid can system MLIBS(operating pressures are 1.0-1.2MpaG) and extra-high can system HGBS, operating pressure are
13.2 MPaG；Compressed gas can system HGBS includes that the cryogenic liquid pump SHP(outlet pressure of maximum pressure is 13.2 MPaG,
Flow is 0.89 m3The super-pressure liquid nitrogen pump of/h), the gasifier AL of maximum pressure, operating pressure 13.2MPaG, flow is
580 Nm3/ h and compressed gas tank HGB, operating pressure 13.2MPaG, dischargeable capacity 30m3, the outlet of compressed gas tank HGB
It is connected through throttle V2 with first pressure pipe network system HPP.The liquid tank with pressure that liquid can system MLIBS with pressure includes
MLIB, operating pressure 1.2MPaG, dischargeable capacity 30m3。
When the aero operating pressure in compressed gas tank HGB is lower than 11.0 MPaG of setting value, cryogenic liquid pump SHP is certainly
Start work, the liquid nitrogen of the 13.2MPaG of pressurization enters compressed gas tank HGB after air-bathing gasifier AL is gasificated into gas.When
The operating pressure of first pressure pipe network HP is lower than setting value, and when such as 6.7MPaG, the outlet valve V2 of compressed gas tank HGB is opened,
Gas decompression in tank releases, and supplements the gas in first pressure pipe network HP；When the operating pressure of pipe network HP is higher than setting
When value, such as 7.1 MPaG, the outlet valve of compressed gas tank HGB closes valve.
When the electricity and steam of regular supply are out of order, at the first time, emergency power supply PO plays a role, and first pressure is low
Geothermal liquid pumps HP at most 30 seconds from low speed running down state load to full load condition, and (pressure is for liquid after pressurization
7.0MPaG, 30,000 Nm of flow3The liquid nitrogen of/h) through first pressure air-bathing gasifier ALE1 at most 30 seconds vaporization times
Inside it is gasificated into gas products (pressure 7.0MPaG, 30,000 Nm of flow3The product high pressure nitrogen gas of/h) enter pipe network HPP afterwards
To maintain gas supply at least 4 hours.
When the liquid level in liquid tank MLIB with pressure is lower than setting value, that is, when designing the 50% of liquid level, second pressure low temperature
Liquid pump MP self-starting work, the liquid nitrogen that the pressure of pressurization is 1.2MPaG enter liquid tank MLIB with pressure.When second pressure pipe network
The operating pressure of MP is lower than setting value, when such as 0.96MPaG, connects the solution between first pressure pipe network HP and second pressure pipe network MP
Pressure valve V1 is opened to be supplied to pipe network MP, while the outlet valve V3 of liquid tank MLIB with pressure is opened, and the cryogenic liquid in tank is released
It releases, the gas in pipe network MP is supplemented after gasifier WLE2, ALE2 of second pressure are gasificated into gas；When the work of pipe network MP
Make pressure higher than design value, when such as 1.05MPaG, solution pressure valve V1 closes valve.
When the electricity and steam of regular supply are out of order, at the first time, the outlet valve V3 of liquid tank MLIB with pressure is beaten
It opens, the cryogenic liquid in tank releases, liquid (pressure 1.0MPaG, 70,000 Nm of flow3The liquid nitrogen of/h) through
Two pressure air-bathing gasifier ALE2 at 0.5 minute were gasificated into gas products in vaporization time (pressure 1.0MPaG, flow are
70,000 Nm3The medium pressure nitrogen gas product of/h) enter pipe network MPP afterwards to maintain gas supply at least 2 minutes.Simultaneously at the first time, answer
Urgent telegram source PO plays a role, and second pressure cryogenic liquid pump MP is at most 30 seconds from low speed running down state load to shape at full capacity
State, liquid (pressure 1.0MPaG, 70,000 Nm of flow after pressurization3The liquid nitrogen of/h) through second pressure air-bathing gasifier
ALE2 was gasificated into gas products (pressure 7.0MPaG, 30,000 Nm of flow at most 30 seconds in vaporization time3The high pressure of/h
Nitrogen product) enter pipe network HPP afterwards to maintain gas supply at least 4 hours.
The above embodiments are only the citing of preferred embodiment, but are not restricted to particular embodiments described above.
For those of ordinary skill in the art, other various forms of variations can also be made on the basis of the above description
Or it changes.Therefore, in the under the scope of made various modifications or optimization of the invention, also in the protection scope of the invention
It is interior.
Claims (3)
1. a kind of space division cluster is to zero gap air supply system of downstream process system, it is included at least: one is set more by covering space division
The space division cluster (1) of standby composition, a back-up system (2) with cryogenic liquid pump, gasifier, big volume storage tank and emergency power supply
And a buffer system (3) comprising pipe network, liquid tank with pressure and gas tank with pressure, three pass through pipeline and valve phase
Connection, it is characterised in that:
The space division cluster (1) has the function of the gas and (or) liquid product that the production downstream process system needs,
When the space division cluster (1) operates normally, the just common gas of downstream process system is supplied by space division cluster (1) normal table
Gas；
The back-up system (2) includes at least the gasification of the cryogenic liquid pump (HP, MP) of two kinds of pressure ratings, two kinds of pressure ratings
Device (WLE, ALE), big volume storage tank (SV) and emergency power supply (PO), the liquid product of the space division cluster (1) by pipeline and
Valve is connected with the big volume storage tank (SV), and the big volume storage tank (SV) passes through pipeline and valve and described two pressure etc.
The cryogenic liquid pump (HP, MP) of grade is connected；The cryogenic liquid pump (HP, MP) passes through pipeline and valve and the gasifier
(WLE, ALE) entrance is connected, and gasifier (the WLE, ALE) outlet passes through pipeline and valve and the buffer system (3)
Pipe network is connected.
2. space division cluster according to claim 1 is to zero gap air supply system of downstream process system, it is characterised in that: institute
The zero gap air supply system stated is also configured with one for providing the emergency power supply (PO) of electric power when normal power failure, this is answered
Urgent telegram source (PO) include can self-running diesel generating set, UPS, EPS power supply, direct-flow storage battery one or more emergency dress
It sets；
The unlatching of the cryogenic liquid pump (HP, MP) receives the stop sign of the space division cluster (1), and with unlatching logic；
Between the pipe network of the gasifier (WLE, ALE) and the buffer system (3) with for the gasifier (WLE,
ALE) the partitioning system repaired.
3. space division cluster according to claim 1 or 2 exists to zero gap air supply system of downstream process system, feature
In: the buffer system (3) includes at least pipe network system (HPP, MPP), the liquid can system with pressure of two kinds of pressure ratings
(MLIBS) and compressed gas can system (HGBS), the compressed gas can system (HGBS) include at least the low temperature of maximum pressure
Liquid pump (SHP), the gasifier (AL) of maximum pressure and compressed gas tank (HGB), three are connected by pipeline with valve；Institute
It states the cryogenic liquid pump (SHP) to be connected by pipeline and valve with storage tank (SV), the outlet of the cryogenic liquid pump (SHP)
Be connected by pipeline and valve with the gasifier (AL) entrance, the outlet of the gasifier (AL) by pipeline and valve with
Compressed gas tank (HGB) entrance is connected, and the outlet of the compressed gas tank (HGB) passes through pipeline and valve and described the
One pressure pipe network system (HPP) is connected；With for the gasification between gasifier (AL) inlet and outlet and upstream and downstream
The partitioning system of device (AL) maintenance；The liquid can system (MLIBS) with pressure includes at least liquid tank with pressure (MLIB), and described the
Two pressure cryogenic liquid pumps (MP) are connected by pipeline and valve with liquid tank (MLIB) entrance with pressure, the band hydraulic fluid
Body tank (MLIB) outlet is connected by pipeline and valve with the second pressure gasifier (WLE2, ALE2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818790.2A CN108954001A (en) | 2018-07-24 | 2018-07-24 | A kind of zero gap air supply system of space division cluster to downstream process system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818790.2A CN108954001A (en) | 2018-07-24 | 2018-07-24 | A kind of zero gap air supply system of space division cluster to downstream process system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108954001A true CN108954001A (en) | 2018-12-07 |
Family
ID=64464225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810818790.2A Pending CN108954001A (en) | 2018-07-24 | 2018-07-24 | A kind of zero gap air supply system of space division cluster to downstream process system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108954001A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518577A (en) * | 2022-11-09 | 2022-12-27 | 四川倍佳新材料有限公司 | Anti-skinning polymer solution preparation system and operation method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0868499A (en) * | 1994-08-29 | 1996-03-12 | Daido Hoxan Inc | Backup supply device for gas |
| FR2785362A1 (en) * | 1998-10-30 | 2000-05-05 | Messer France | Method of controlling nitrogen gas extraction from compressed air |
| CN203052202U (en) * | 2013-01-30 | 2013-07-10 | 廊坊黎明气体有限公司 | Continuous nitrogen supply device |
| CN103322411A (en) * | 2013-07-16 | 2013-09-25 | 兖矿集团有限公司 | Chemical system stoppage protective device |
| CN204005247U (en) * | 2014-09-01 | 2014-12-10 | 方大特钢科技股份有限公司 | Improved instrument air process system |
| CN104534273A (en) * | 2015-01-06 | 2015-04-22 | 北京石油化工工程有限公司 | Storage and emergency supply device and method for standby instrument gas source |
| CN105043013A (en) * | 2015-08-31 | 2015-11-11 | 深圳市海格金谷化工科技有限公司 | Uninterrupted backup system of air separation equipment |
| CN205048162U (en) * | 2015-09-11 | 2016-02-24 | 北京首钢股份有限公司 | Air seperation plant instrument supply gas and sealing gas support system |
| CN106195623A (en) * | 2016-07-12 | 2016-12-07 | 安徽淮化股份有限公司 | A kind of air separation unit nitrogen-sealed gas track remodelling method |
| CN206592546U (en) * | 2017-03-01 | 2017-10-27 | 鄂尔多斯市昊华国泰化工有限公司 | A kind of sealing system for the nitrogen pump that pressurizes |
| CN207049604U (en) * | 2017-07-24 | 2018-02-27 | 新疆心连心能源化工有限公司 | A kind of security nitrogen ensuring equipment |
| CN209084408U (en) * | 2018-07-24 | 2019-07-09 | 杭州杭氧股份有限公司 | Zero gap air supply system of the space division cluster to downstream process system |
-
2018
- 2018-07-24 CN CN201810818790.2A patent/CN108954001A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0868499A (en) * | 1994-08-29 | 1996-03-12 | Daido Hoxan Inc | Backup supply device for gas |
| FR2785362A1 (en) * | 1998-10-30 | 2000-05-05 | Messer France | Method of controlling nitrogen gas extraction from compressed air |
| CN203052202U (en) * | 2013-01-30 | 2013-07-10 | 廊坊黎明气体有限公司 | Continuous nitrogen supply device |
| CN103322411A (en) * | 2013-07-16 | 2013-09-25 | 兖矿集团有限公司 | Chemical system stoppage protective device |
| CN204005247U (en) * | 2014-09-01 | 2014-12-10 | 方大特钢科技股份有限公司 | Improved instrument air process system |
| CN104534273A (en) * | 2015-01-06 | 2015-04-22 | 北京石油化工工程有限公司 | Storage and emergency supply device and method for standby instrument gas source |
| CN105043013A (en) * | 2015-08-31 | 2015-11-11 | 深圳市海格金谷化工科技有限公司 | Uninterrupted backup system of air separation equipment |
| CN205048162U (en) * | 2015-09-11 | 2016-02-24 | 北京首钢股份有限公司 | Air seperation plant instrument supply gas and sealing gas support system |
| CN106195623A (en) * | 2016-07-12 | 2016-12-07 | 安徽淮化股份有限公司 | A kind of air separation unit nitrogen-sealed gas track remodelling method |
| CN206592546U (en) * | 2017-03-01 | 2017-10-27 | 鄂尔多斯市昊华国泰化工有限公司 | A kind of sealing system for the nitrogen pump that pressurizes |
| CN207049604U (en) * | 2017-07-24 | 2018-02-27 | 新疆心连心能源化工有限公司 | A kind of security nitrogen ensuring equipment |
| CN209084408U (en) * | 2018-07-24 | 2019-07-09 | 杭州杭氧股份有限公司 | Zero gap air supply system of the space division cluster to downstream process system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518577A (en) * | 2022-11-09 | 2022-12-27 | 四川倍佳新材料有限公司 | Anti-skinning polymer solution preparation system and operation method |
| CN115518577B (en) * | 2022-11-09 | 2024-01-23 | 四川倍佳新材料有限公司 | Anti-skinning polymer solution configuration system and operation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4456459A (en) | Arrangement and method for the production of liquid natural gas | |
| JP6622696B2 (en) | Decompression system | |
| CN1103158A (en) | High pressure gas supply installation | |
| CN103452734B (en) | Industrial fluid high-residual-pressurecovery recovery hydraulic turbine power generation device | |
| CN209084408U (en) | Zero gap air supply system of the space division cluster to downstream process system | |
| CN108954001A (en) | A kind of zero gap air supply system of space division cluster to downstream process system | |
| CN102913753A (en) | Storage and gasification project output system of LNG (Liquefied Natural Gas) receiving terminal as well as method | |
| CN203097944U (en) | Emergency power supply system for coal mining equipment | |
| US4563201A (en) | Method and apparatus for the production of liquid gas products | |
| US20200333070A1 (en) | System and method for supplying backup production in air separation device | |
| CN112066256A (en) | Natural gas pressure regulating station system with protection device | |
| CN105507969B (en) | A kind of energy recovery utilizing system and application method for LNG liquefaction plants | |
| CN216114320U (en) | Heating system based on direct connection-separation mode switching | |
| CN117005917A (en) | Circulating water energy-saving system for non-contact main pipe and operation method | |
| CN202868303U (en) | Storage and gasification engineering output system of liquefied natural gas (LNG) accepting station | |
| CN113669788A (en) | Heat supply system based on direct connection-separation mode switching and operation adjusting method | |
| CN202303323U (en) | Boiler system with steam recovering device | |
| CN203515933U (en) | Generating set allowing high residual pressure of industrial fluid to be recycled through hydraulic turbine | |
| CN103835872A (en) | Blade control device with independent oil supply system | |
| CN206721238U (en) | Blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations | |
| CN103382859A (en) | Electrical power generating system for comprehensive energy steam turbine | |
| CN106761992B (en) | The personal system of heat supply level-one web portal pressure electricity-generating more than needed and progress control method | |
| CN114087533A (en) | Pressure regulating facility system and method for generating electricity and making ice by using natural gas pressure energy | |
| CN216742837U (en) | Cryogenic pump seal gas control system | |
| CN207894116U (en) | The system that HYCO ice chest Double liquid state CO tanks switch hydrops and outer supplied gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |