CN203892866U - Novel low-temperature liquid storage tank - Google Patents
Novel low-temperature liquid storage tank Download PDFInfo
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- CN203892866U CN203892866U CN201420240092.6U CN201420240092U CN203892866U CN 203892866 U CN203892866 U CN 203892866U CN 201420240092 U CN201420240092 U CN 201420240092U CN 203892866 U CN203892866 U CN 203892866U
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- 239000007788 liquid Substances 0.000 title claims abstract description 78
- 238000003860 storage Methods 0.000 title claims abstract description 20
- 239000006200 vaporizer Substances 0.000 claims abstract description 43
- 238000011049 filling Methods 0.000 claims description 46
- 239000007791 liquid phase Substances 0.000 claims description 26
- 239000012071 phase Substances 0.000 claims description 26
- 238000009413 insulation Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 8
- 239000005030 aluminium foil Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 4
- 230000008016 vaporization Effects 0.000 abstract description 5
- 238000009834 vaporization Methods 0.000 abstract description 4
- 239000012774 insulation material Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 45
- 238000005457 optimization Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 241001673669 Porcine circovirus 2 Species 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000003570 air Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
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- 235000008645 Chenopodium bonus henricus Nutrition 0.000 description 1
- 244000138502 Chenopodium bonus henricus Species 0.000 description 1
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- 230000000007 visual effect Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a novel low-temperature liquid storage tank, and aims to solve the problem that the existing storage tank is incapable of stably conveying gas outside. The novel low-temperature liquid storage tank consists of a low-temperature liquid container, a pipeline, an external vaporizer and an external booster, wherein the low-temperature liquid container is an inner pressure container which is suspended in a jacket; a jacket space between the inner pressure container and a shell is filled with a heat insulation material; a bottom boost pressure inlet of the inner pressure container is communicated with a bottom inlet of a booster unit through a pipe valve; an upper outlet of the booster unit is communicated with a top pressure boost outlet of the inner pressure container through the pipe valve; an inlet of the external vaporizer is communicated with a vaporization pipe which stretches into the bottom from the top of the inner pressure container through the pipe valve. The novel low-temperature liquid storage tank has the advantages that heat is extracted from the surrounding air to supply energy for pressurization and vaporization of liquid and gas is stably conveyed outside.
Description
Technical field
The utility model relates to a kind of wet tank, particularly relates to a kind of new type low temperature wet tank.
Background technique
The existing pressurized container for storing liquid nitrogen, argon gas, oxygen and carbon dioxide, when outside gas transmission, owing to can not supplementing in time the heat of vaporizing and needing, often exists outer gas transmission to press unstable problem.
Summary of the invention
The utility model object is to overcome the above-mentioned defect of prior art, and a kind of new type low temperature wet tank that can stablize outside gas transmission is provided.
For achieving the above object, the utility model cryogenic liquid storage tank is comprised of cryogenic liquid vessel, pipeline, outer vaporizer and external supercharger; Described cryogenic liquid vessel is one to be suspended in the inner pressure vessel in chuck, the chuck space-filling thermal-protective material between described inner pressure vessel and shell; The bottom supercharging entrance of described inner pressure vessel is by the bottom inlet of pipe valve UNICOM supercharger unit, the top outlet of supercharger unit exports by the top supercharging of inner pressure vessel described in pipe valve UNICOM, and the entrance of outer vaporizer extend into the generating tube of bottom from described inner pressure vessel top by pipe valve UNICOM.Also can be described as Miniature cryogenic liquid basin (V500～V5000).Such product storage cryogenic liquide is also exported distribution after gas heating pressurization.FV1 series mini cryogenic liquid tank (V500～V5000) is that the application for nitrogen, argon gas, oxygen and carbon dioxide designs.Miniature cryogenic liquid basin (V500～V5000) is to consist of cryogenic liquid vessel, pipeline, outer vaporizer and external supercharger.This container consists of a pressurized container being suspended in chuck.Space between pressurized container and chuck is evacuated and uses the insulation of ultra-fine fibre glass/aluminium foil radiation shielding layer.Inner pressure vessel and vacuum jacket are made by S30408 type stainless steel.All models are all according to TSG R0004-2009, GB150.1～150.4-2011 and GB/T18442-2011 design and manufacture.Pipe-line allows container to discharge, fill, pressurize, and the gas of pressurization is provided.Pipeline is made with 304 types and 316L type stainless steel.Valve is made of copper.Accessory is to be made by the forging brass of processing and 316 type stainless steels.It has can from ambient air, extract heat for pressurization and gasifying liquid energy is provided, can stablize the advantage of outside gas transmission.
As optimization, the entrance of described generating tube and outer vaporizer is by pipe and vaporizer inlet valve and vaporizer entrance threeway UNICOM, the top outlet of described supercharger unit exports by the top supercharging of inner pressure vessel described in pipe and supercharger outlet threeway and supercharger outlet valve UNICOM, and described vaporizer entrance threeway UNICOM and supercharger outlet threeway are by pipe and solar term modulating valve UNICOM;
The bottom supercharging entrance of described inner pressure vessel is by the supercharging entrance threeway of supercharging inlet valve He Guan UNICOM, and supercharging entrance threeway one outlet is by the bottom inlet of pipe and boost pressure regulation valve UNICOM supercharger unit, and another exports UNICOM's reduction valve the threeway of supercharging entrance.
As optimization, on the pipe before and after described solar term modulating valve, pass through respectively reduction valve before and after the threeway UNICOM of front and back.Supercharger outlet threeway and between by threeway UNICOM reduction valve, between the threeway of described vaporizer entrance and solar term modulating valve by threeway UNICOM reduction valve.
As optimization, between described rear threeway and the threeway of vaporizer entrance, by extracting liq threeway UNICOM carrying liqs, export the extracting liq valve of link; Vaporizer outlet connects vaporizer outlet link by vaporizer outlet valve.
As optimization, described cover top portion is fitted with vacuum jacket rupture disk, and shunting safety mouthful in described inner pressure vessel top is passed through pipe UNICOM three-way valve, and the two ends outlet of three-way valve is respectively by safe threeway UNICOM's inner container rupture disk and safety valve.
As optimization, the bottom liquid phases mouth of described inner pressure vessel is by the top gas phase mouth of inner pressure vessel described in pipe and the pressure meter three-way of liquid phase stop valve UNICOM liquid level pointer and Bonding pressure table and gas phase stop valve UNICOM.Its instrument comprises pressure gauge and differential pressure levelmeter.Pressure gauge can provide inspection instrument pressure.Differential pressure levelmeter provides accurate survey data for internal tank.FV1 series mini cryogenic liquid tank (V500～V5000) can make the cryogenic liquide of vaporization automatically keep pressure by control.
As optimization, described liquid phase stop valve UNICOM liquid phase four-way, liquid phase four-way lateral port UNICOM liquid phase instrumentation tap, the inner side mouth of the liquid phase four-way inner side mouthful pressure meter three-way UNICOM gas phase four-way by pipe and liquid level pointer and Bonding pressure table, suitable for reading and the gas phase four-way pipe by equipped equilibrium valve suitable for reading of liquid phase four-way is connected, the lateral port UNICOM gas phase instrumentation tap of described gas phase four-way, gas phase stop valve described in the end opening UNICOM of described gas phase four-way.
As optimization, the equipped bottom that reaches bottom, described inner pressure vessel top fills pipe, described bottom fills pipe upper end by pipe UNICOM bottom filling valve, described inner pressure vessel top reaches inner pressure vessel internal upper part top by stretching fills that pipe is equipped fills excessive automatic cut-out final controlling element, described top fills pipe upper end by pipe UNICOM top filling valve, described bottom filling valve is by managing and filling threeway and be connected with top filling valve, and the collar extension that fills threeway fills dirt discharging valve and pump or top and fills link by filling emptying threeway UNICOM.
As optimization, the equipped overflow emptying pipe that inserts into the inner top in described inner pressure vessel top, described overflow emptying pipe upper end is by pipe UNICOM's overflow exhaust-valve and link; Described overflow emptying pipe lower end height >=fill excessive automatic cut-out final controlling element upper end height.
As optimization, described chuck space-filling thermal-protective material is that described outer casing inner wall and described inner pressure vessel outer wall are equipped with respectively aluminium foil radiation shielding layer, the chuck space-filling ultra-fine fibre glass thermal insulation layer between two aluminium foil radiation shielding layers.
Suggestion about this system convention inspection: show that from detection and misoperation show the demand of safeguarding conventionally becomes obvious and gives prominence to.Typical fault prompting comprises that the leakage at valve place or pipe connect and excessively discharge by reduction valve.Should retain for a long time about whole detections of enforcement and the daily record of maintenance.For assessed for performance and product maintenance, this class daily record is of great value.Before carrying out this handbook, always adhere in accordance with safety precaution and according to the indication of these chapters and sections.Before native system work starts, correctly in empty container liquid and reduce in container with pipeline in pressure.Forbid that defective personnel operate this equipment.The help that Failure elimination guide in suggestion reference manual is got rid of to obtain fault.After doing the repairing that needs dismounting or replacement parts, the whole valves of leak-testing or pipe joint should need to dismantle and reconnect.Leak testtion liquid is dripped on test surfaces, and large leakage can form intensive macrofoam immediately, yet tiny leakage meeting slowly forms white foam.Before this system comes into operation, need to implement to repair and test again to whole leakages.User can not adjust pressure gauge or liquid level gauge.If gauge table is malfunctioning, just should replace.Close two separating valves, gas phase stop valve V8 also opens balanced or equilibrium valve (door) V9 immediately with liquid phase stop valve V10.A threaded piece of pipe compression fitting is unclamped so that reduce pressure.When pressure meter PI is designated as zero, loop works safety.Low-temperature (low temperature) vessel includes two containers.The effect of a high efficiency heat insulation layer is played in space between container, comprises high technology insulation, region of no pressure, vacuum maintenance system.Each parts plays very important effect for container.At blocking-up radiation heat, enter aspect inner container, this high technology insulation is very effective.Regrettably, have in minimum gas molecule and enter vacuum producing moment, so can not obtain perfect vacuum.Vacuum maintenance system forms and comprises for collecting the material of minimum gas molecule in vacuum.Safeguard that vacuum system function is for many years sustainable, yet, its finite capacity.When vacuum maintenance system is saturated, just no longer safeguard the vacuum integrity of container.This variation is gradually slowly and may all escape detection for many years.When the vacuum of insulating space is no longer valid, following sign just there will be.
While having liquid in container, shell just may be cold more a lot of than normal temperature.Frosting, shows liquid position, may be visible at shell of tank.On container, may produce condensation.Attention occurs that around the pipeline of connecting container some freeze or condensation is normal.Due to high humility, condensation also may appear at the shell of container.Reduction valve will be opened until container empties always.If determine, container has the problem of vacuum aspect, is necessary to repair and again vacuumizes.Experienced technology master worker should carry out reparation or the customer service of contact producer of container, to obtain the help of minimum distance service centre.
During use: the standpipe that emptying and overflowing draining valve V2 is connected to container top.Opening end pipe in container is positioned at the liquid level that is equivalent to container volume 95%.In the process of perfusion, open vent valves and reduce the pressure in container.It can also be as " relief valve ", when liquid level surpasses 95%, from discharge liquid in container.Filling loop can fill by being suitable for tank car pressure reduction mode; Or fill by tank car cryopump.Fill safety check or claim bottom filling valve V3 to prevent that medium from overflowing from container.After filling for liquid, boost-up circuit for container pressurization, also for the pressure maintaining in container, guarantees that product normally extracts.Regulate pressure charging valve to setting pressure, open the supercharger outlet valve V6 of boost-up circuit and the inlet valve V7 of boost-up circuit makes loop turn-on power loss.When the pressure drop in container arrives the pressure arranging lower than supercharging device, the pressure regulator valve of boost-up circuit or title boost pressure regulation valve PCV1 open automatically.When the pressure in container surpasses supercharging device setting pressure, pressure regulator valve or title boost pressure regulation valve PCV1 close automatically.The working principle of boost-up circuit is: work as valve open, from the container bottom at liquid place, to the head room at gas place, open a paths.Because this fluid flows to top from container bottom, so path comprises external supercharger unit PBC with vaporization product, and making expansion of liquids is that steam returns internal tank, thereby makes the boost in pressure in container.Vaporizer entrance provides the cryogenic liquide of pressurization for vaporizer.Open vaporizer inlet valve V5 and promote liquid inflow vaporizer QH by the pressure in container.The working principle of vaporizer is: utilize the heat energy in ambient air, liquid rotating is turned to gas and makes its intensification.Energy-saving device circuit reduces the product loss causing because of the normal evaporation of liquid in container.Supercharger outlet valve V6 must be opened to function.When surpassing economizer setting value (economizer setting value is generally greater than boost pressure regulation valve setting value 0.1Mpa) time gas modulating valve PCV2, automatically opens container inner pressure.This function makes gas enter vaporizer loop from container overhead stream.When being isolated to safeguarding, energy-saving device circuit need to close supercharger outlet valve V6 and economizer separating valve.While having cold air or liquid in loop, just in case valve closing, two reduction valve SV1 and SV1 can prevent loop overvoltage.The advantage of cryogenic liquid tank (V500～V5000) is to have given prominence to safety valve and prevents container overvoltage.When pressure surpasses the maximum service pressure of container, safety valve (door) SV2 and SV2 reduce pressure automatically.When pressure valve reset during lower than this setting value.In addition, safety installations divides two groups, and every group comprises a primary safety valve for inner container and a rupture disk.Rupture disk needs acknowledgment copy, just in case Safety valve breaks down and authorized pressure reaches the rating value of bursting pressure.Bidirectional safe switching valve or title three-way valve V11 allow the operation of one group of protective equipment, and meanwhile isolate other group and when there is no the demand of blowdown vessel pressure, allow service equipment.Instrument consists of pressure gauge and differential pressure levelmeter.The pressure difference value of liquid level gauge LI inspection instrument top and bottom.The pressure ratio that product in container produces in bottom produces pressure at top high.It is unit representation water depth that the reading of liquid level gauge be take psi or mmH2o.Compare with the liquid level conversion table table before being attached to container, this reading can accurately be monitored the product quantity in container.When there is no empty container and reducing container pressure, separation valve door, gas phase stop valve V8 and liquid phase stop valve V10 allow the maintenance in loop.Before closing separation valve door, must open equilibrium or equilibrium valve (door) V9.Layout of general plan in handbook appendix has been indicated size and the connection data of relevant cryogenic liquid tank (V500～V5000).System is installed and is responsible for by user.The claim of transporting cargo and loss is client's obligation.Accepting to pay in face of forwarding agent the equipment of each batch of shipment of visual examination of taking time.If find any loss, on transport document, do suitable mark records.And before receiving equipment, require driver to sign on mark records hurdle.Forbid accepting the equipment that causes affecting service performance with damaging.Must transport cryogenic liquid tank (V500～V5000) with fork truck or crane loading.For the system weight of listing on the layout of general plan in appendix, should guarantee that materials handling equipment has enough spaces to hold.Cryogenic liquid tank (V500～V5000) be aim at industrial use for robust product for many years.Yet, must be careful when carrying.The misuse improper operation of fork truck (put down or) may affect integrity or the infringement pipeline of insulation system.All with vertical modes of emplacement transportation, operation and storage at every turn.Forbid that side direction places this equipment.Important: when using crane for hoisting, should to use the hanger at chuck top.The direct top board of lifting appliance.
Pressure transmits and fills.By reducing the pressure in cryogenic liquid tank (V500～V5000), and make it lower than liquid carrys out the pressure in source container, complete pressure to transmit and fill.In general, liquid source container is vehicle carried type container.By overflowing draining valve (door) V2 exhausting air, lower the pressure in cryogenic liquid tank (V500～V5000).By pressure, promoting liquid flows in cryogenic liquid tank (V500～V5000) from vehicle carried type device.For being equipped with a low temperature of a safety valve and dump valve to transmit flexible pipe, should be used to a cryogenic liquid tank (V500～V5000) and be connected to liquid source.Observing following guide is transmitted and is filled by pressure.Visual inspection cryogenic liquid tank (V500～V5000), transmission flexible pipe and large capacity tank pipeline.If have any component damaged or lose, do not fill this equipment.From liquid source container, connect one and transmit flexible pipe to liquid joint.Open top filling valve (door) V1 and bottom filling valve V3 and overflow discharge (sky) valve (door) V2 starts to fill.Indicate: V3 fills by bottom filling valve (door), and now the gas in the steam space is compressed pressure that can lift pot.Otherwise V1 fills by top filling valve (door), now gas is cooled or is liquefied and causes space gas exposed, can reduce the pressure of tank.When liquid is when flowing out in relief valve, container is full.Now between the gas headspace of 5%, will be kept at above liquid level.Close top filling valve V1 and bottom filling valve V3.Once liquid stops flowing out from overflowing draining valve (door) V2, closing outflow valve door.Closing liquid source is supplied and is opened and fills cleaning valve. disconnects from filling the transmission flexible pipe band of connection.When filling container with pump driving, must use pump/top to connect.Open 9 of top filling valves) V1 and bottom filling valve V3 close inspection instrument pressure during filling.If the pressure of container reaches the setting value of reduction valve or the pressure nominal value of pump, close pump.Open overflow discharge valve V2 so that reduce pressure on request.When being arranged on automatic mode by low temperature supplying goods vehicle and filling, in certain level, provide between enough gas headspace, termination is filled.When using traditional pumping system, during filling, make overflowing draining valve V2 must stay open state.Check that product exits vent valves.When liquid flows out from overflowing draining valve (door) V2, stop immediately pump and close top filling valve (door) V1 and bottom filling valve V3.Once liquid stops flowing out in relief valve, closing outflow valve.Filling flexible pipe and filling before disconnecting, and open and fill dirt discharging valve (door) V12 product is emitted from flexible pipe.After this EO, close and fill dirt discharging valve (door) V12, then flexible pipe and joint are disconnected.
Extracting gases
Open the supercharger outlet valve V6 of boost-up circuit and the inlet valve V7 of boost-up circuit makes loop turn-on power loss.Monitor force meter PI.When pressure surpasses predetermined delivery pressure, continue.Open vaporizer outlet (cut-off) valve V4.Open vaporizer entrance (cut-off) valve V5, extracting gases product.
Extracting liquid
From receiving vessel, transmitting flexible pipe, be connected to the liquid line joint of basin, and open adjacent extracting liq valve V13 and valve V5..As long as container inner pressure is greater than the pressure of receiving vessel, the pressure in container will drive product to flow out by valve.Cryogenic liquid tank (V500～V5000) may be for argon gas, oxygen or nitrogen service.Correct these steps of observing are changed gas service.In container, empty all liq safely.Open valve and the overflow discharge valve V2 of the supercharging entrance and exit V6 of place and V7, be convenient to any liquid evaporation that remains in container bottom to fall.All evaporate remaining in liquid, this may need one hour or the longer time.Pure for guaranteeing, the applicable vacuum pump of recommendation one is to cryogenic liquid tank (V500～V5000) extracting vacuum.Final vacuum readings should be at least 20 Inches Of Mercuries (mercury column).The connection fittings that discharge product, top fill, use as shown below is suitable that replacing liquid is used connect.When link when being threaded into fixedly, use polytetrafluoroethylene adhesive tape or suitable thread sealant in addition.The labeling of the gas service before confirming is all removed, and pasted new gas service identification labeling.
Adopt after technique scheme, the utility model cryogenic liquid storage tank has can be extracted heat and provide energy for pressurization and gasifying liquid from ambient air, can stablize the advantage of outside gas transmission.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model cryogenic liquid storage tank.
Embodiment
As shown in the figure, the utility model cryogenic liquid storage tank is comprised of cryogenic liquid vessel, pipeline, outer vaporizer QH and external supercharger; Described cryogenic liquid vessel is one to be suspended in the inner pressure vessel 1 in chuck, chuck space-filling thermal-protective material between described inner pressure vessel 1 and shell 2, specifically described chuck space-filling thermal-protective material is that described outer casing inner wall and described inner pressure vessel outer wall are equipped with respectively aluminium foil radiation shielding layer, the chuck space-filling ultra-fine fibre glass thermal insulation layer between two aluminium foil radiation shielding layers.
The bottom supercharging entrance D of described inner pressure vessel 1 is by the bottom inlet of the supercharger unit PBC of pipe valve UNICOM, the top outlet of supercharger unit PBC is by the top supercharging outlet H of inner pressure vessel 1 described in pipe valve UNICOM, and the entrance of outer vaporizer QH extend into the generating tube of bottom from described inner pressure vessel 1 top by pipe valve UNICOM.Specifically the entrance of described generating tube and outer vaporizer QH is by pipe and vaporizer inlet valve V5 and vaporizer entrance threeway UNICOM, the top outlet of described supercharger unit PBC exports by the top supercharging of inner pressure vessel 1 described in pipe and supercharger outlet threeway and supercharger outlet FaV6 UNICOM, and described vaporizer entrance threeway UNICOM and supercharger outlet threeway are by pipe and solar term modulating valve PCV2 UNICOM;
The bottom supercharging entrance D of described inner pressure vessel 1 is by the supercharging entrance threeway of supercharging inlet valve V7He Guan UNICOM, supercharging entrance threeway one outlet is by the bottom inlet of pipe and the boost pressure regulation valve PCV1 supercharger unit PBC of UNICOM, and another exports the reduction valve SV1 of UNICOM the threeway of supercharging entrance.
On pipe before and after described solar term modulating valve PCV2, pass through respectively reduction valve SV1 before and after the threeway UNICOM of front and back.Between described rear threeway and the threeway of vaporizer entrance, by extracting liq threeway UNICOM carrying liqs, export the extracting liq valve V13 of link CN3; Vaporizer outlet connects vaporizer outlet link by vaporizer outlet valve V4.
Described shell 2 tops are fitted with vacuum jacket rupture disk R3.Mouthful J is by the pipe three-way valve V11 of UNICOM for described inner pressure vessel top shunting safety, and the two ends outlet of three-way valve V11 is respectively by the safe threeway inner container rupture disk R1 of UNICOM, R2 and safety valve SV2.
The equipped overflow emptying pipe that inserts into the inner top in described inner pressure vessel 1 top, described overflow emptying pipe upper end is by the pipe overflow exhaust-valve V2 of UNICOM and link CN2.The equipped bottom that reaches bottom, described inner pressure vessel 1 top fills pipe, described bottom fills pipe upper end by the bottom filling valve V3 of pipe UNICOM, described inner pressure vessel 1 top reaches inner pressure vessel 1 internal upper part top by stretching fills that pipe is equipped fills excessive automatic cut-out final controlling element FSV, described top fills pipe upper end by the pipe top filling valve V1 of UNICOM, described bottom filling valve V3 is by managing and filling threeway and be connected with top filling valve V1, and the collar extension that fills threeway fills dirt discharging valve V12 and pump or top and fills link CN1 by filling emptying threeway UNICOM.Described overflow emptying pipe lower end height >=fill excessive automatic cut-out final controlling element upper end height.
The bottom liquid phases mouth E of described inner pressure vessel 1 is by the top gas phase mouth F of inner pressure vessel 1 described in pipe and the pressure meter three-way of the liquid phase stop valve V10 liquid level pointer LI of UNICOM and Bonding pressure table PI and gas phase stop valve V8 UNICOM.
Described liquid phase stop valve V10 UNICOM liquid phase four-way, the liquid phase instrumentation tap CN5 of liquid phase four-way lateral port UNICOM, the inner side mouth of the liquid phase four-way inner side mouthful pressure meter three-way UNICOM gas phase four-way by pipe and liquid level pointer LI and Bonding pressure table PI, suitable for reading and the gas phase four-way pipe by equipped equilibrium valve V9 suitable for reading of liquid phase four-way is connected, the gas phase instrumentation tap CN6 of lateral port UNICOM of described gas phase four-way, gas phase stop valve V8 described in the end opening UNICOM of described gas phase four-way.
It has can from ambient air, extract heat for pressurization and gasifying liquid energy is provided, can stablize the advantage of outside gas transmission.
Claims (10)
1. a new type low temperature wet tank, is characterized in that being comprised of cryogenic liquid vessel, pipeline, outer vaporizer and external supercharger; Described cryogenic liquid vessel is one to be suspended in the inner pressure vessel in chuck, the chuck space-filling thermal-protective material between described inner pressure vessel and shell; The bottom supercharging entrance of described inner pressure vessel is by the bottom inlet of pipe valve UNICOM supercharger unit, the top outlet of supercharger unit exports by the top supercharging of inner pressure vessel described in pipe valve UNICOM, and the entrance of outer vaporizer extend into the generating tube of bottom from described inner pressure vessel top by pipe valve UNICOM.
2. storage tank according to claim 1, it is characterized in that the entrance of described generating tube and outer vaporizer is by pipe and vaporizer inlet valve and vaporizer entrance threeway UNICOM, the top outlet of described supercharger unit exports by the top supercharging of inner pressure vessel described in pipe and supercharger outlet threeway and supercharger outlet valve UNICOM, and described vaporizer entrance threeway UNICOM and supercharger outlet threeway are by pipe and solar term modulating valve UNICOM;
The bottom supercharging entrance of described inner pressure vessel is by the supercharging entrance threeway of supercharging inlet valve He Guan UNICOM, and supercharging entrance threeway one outlet is by the bottom inlet of pipe and boost pressure regulation valve UNICOM supercharger unit, and another exports UNICOM's reduction valve the threeway of supercharging entrance.
3. storage tank according to claim 2, it is characterized in that on the pipeline before and after described solar term modulating valve respectively by reduction valve before and after the threeway UNICOM of front and back, supercharger outlet threeway and between by threeway UNICOM reduction valve, between the threeway of described vaporizer entrance and solar term modulating valve by threeway UNICOM reduction valve.
4. storage tank according to claim 3, is characterized in that between described rear threeway and the threeway of vaporizer entrance by the extracting liq valve of extracting liq threeway UNICOM carrying liqs outlet link; Vaporizer outlet connects vaporizer outlet link by vaporizer outlet valve.
5. storage tank according to claim 1, it is characterized in that described cover top portion is fitted with vacuum jacket rupture disk, shunting safety mouthful in described inner pressure vessel top is passed through pipeline UNICOM three-way valve, and the two ends outlet of three-way valve is respectively by safe threeway UNICOM's inner container rupture disk and safety valve.
6. storage tank according to claim 1, the top gas phase mouth of inner pressure vessel described in the pressure meter three-way of the bottom liquid phases mouth that it is characterized in that described inner pressure vessel by pipe and liquid phase stop valve UNICOM liquid level pointer and Bonding pressure table and gas phase stop valve UNICOM.
7. storage tank according to claim 6, it is characterized in that described liquid phase stop valve UNICOM liquid phase four-way, liquid phase four-way lateral port UNICOM liquid phase instrumentation tap, the inner side mouth of the liquid phase four-way inner side mouthful pressure meter three-way UNICOM gas phase four-way by pipe and liquid level pointer and Bonding pressure table, suitable for reading and the gas phase four-way pipeline by equipped equilibrium valve suitable for reading of liquid phase four-way is connected, the lateral port UNICOM gas phase instrumentation tap of described gas phase four-way, gas phase stop valve described in the end opening UNICOM of described gas phase four-way.
8. storage tank according to claim 1, it is characterized in that the equipped bottom that reaches bottom, described inner pressure vessel top fills pipe, described bottom fills pipe upper end by pipeline UNICOM bottom filling valve, described inner pressure vessel top reaches inner pressure vessel internal upper part top by stretching fills that pipe is equipped fills excessive automatic cut-out final controlling element, described top fills pipe upper end by pipeline UNICOM top filling valve, described bottom filling valve by pipeline with fill threeway and be connected with top filling valve, the collar extension that fills threeway fills dirt discharging valve and pump or top and fills link by filling emptying threeway UNICOM.
9. storage tank according to claim 8, is characterized in that the equipped overflow emptying pipe that inserts into the inner top in described inner pressure vessel top, and described overflow emptying pipe upper end is by pipeline UNICOM overflow exhaust-valve and link; Described overflow emptying pipe lower end height >=fill excessive automatic cut-out final controlling element upper end height.
10. according to storage tank described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9, it is characterized in that described chuck space-filling thermal-protective material is that described outer casing inner wall and described inner pressure vessel outer wall are equipped with respectively aluminium foil radiation shielding layer, the chuck space-filling ultra-fine fibre glass thermal insulation layer between two aluminium foil radiation shielding layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420240092.6U CN203892866U (en) | 2014-05-13 | 2014-05-13 | Novel low-temperature liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420240092.6U CN203892866U (en) | 2014-05-13 | 2014-05-13 | Novel low-temperature liquid storage tank |
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| Publication Number | Publication Date |
|---|---|
| CN203892866U true CN203892866U (en) | 2014-10-22 |
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| CN201420240092.6U Expired - Fee Related CN203892866U (en) | 2014-05-13 | 2014-05-13 | Novel low-temperature liquid storage tank |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109018385A (en) * | 2018-08-16 | 2018-12-18 | 晨龙飞机（荆门）有限公司 | A kind of fuel tanker automatically adjusting spin manifold temperature |
| CN109296567A (en) * | 2018-10-05 | 2019-02-01 | 李晨天 | Controlled vaporization formula alternating temperature variable pressure pump |
| CN109630866A (en) * | 2018-12-27 | 2019-04-16 | 重庆市潼南区金盛气体有限公司 | Liquid nitrogen storage tank with pressure safety safeguard function |
| CN110486622A (en) * | 2019-08-01 | 2019-11-22 | 浙江大川空分设备有限公司 | A kind of LNG vacuum storage tank pressure, liquid level control system |
| CN113324166A (en) * | 2021-04-26 | 2021-08-31 | 花芳 | Systematic gas filling system |
| CN113863058A (en) * | 2021-09-17 | 2021-12-31 | 珠海格力智能装备有限公司 | Pulp supply equipment and pulp supply method |
-
2014
- 2014-05-13 CN CN201420240092.6U patent/CN203892866U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109018385A (en) * | 2018-08-16 | 2018-12-18 | 晨龙飞机（荆门）有限公司 | A kind of fuel tanker automatically adjusting spin manifold temperature |
| CN109296567A (en) * | 2018-10-05 | 2019-02-01 | 李晨天 | Controlled vaporization formula alternating temperature variable pressure pump |
| CN109630866A (en) * | 2018-12-27 | 2019-04-16 | 重庆市潼南区金盛气体有限公司 | Liquid nitrogen storage tank with pressure safety safeguard function |
| CN110486622A (en) * | 2019-08-01 | 2019-11-22 | 浙江大川空分设备有限公司 | A kind of LNG vacuum storage tank pressure, liquid level control system |
| CN113324166A (en) * | 2021-04-26 | 2021-08-31 | 花芳 | Systematic gas filling system |
| CN113863058A (en) * | 2021-09-17 | 2021-12-31 | 珠海格力智能装备有限公司 | Pulp supply equipment and pulp supply method |
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