CN105378367A - Storage tank for liquefied flammable gases - Google Patents

Storage tank for liquefied flammable gases Download PDF

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Publication number
CN105378367A
CN105378367A CN201480018677.6A CN201480018677A CN105378367A CN 105378367 A CN105378367 A CN 105378367A CN 201480018677 A CN201480018677 A CN 201480018677A CN 105378367 A CN105378367 A CN 105378367A
Authority
CN
China
Prior art keywords
storage tank
horizontal cylinder
tank
cylinder type
type storage
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
Application number
CN201480018677.6A
Other languages
Chinese (zh)
Inventor
J·埃尔
M·克罗尔
M·布鲁恩特拉普
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde GmbH
Original Assignee
Linde GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Linde GmbH filed Critical Linde GmbH
Publication of CN105378367A publication Critical patent/CN105378367A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • 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
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/14—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of aluminium; constructed of non-magnetic steel
    • 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
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/08—Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0604—Liners
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0621—Single wall with three layers
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0639—Steels
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0678—Concrete
    • 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
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • 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
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • 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
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/042—Reducing risk of explosion
    • 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
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0134—Applications for fluid transport or storage placed above the ground
    • F17C2270/0139—Fuel stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

In order to improve storage tanks for cryogenic liquid gases, a full integrity bullet type storage tank(80) is proposed, said tank(80) comprising: an inner tank(82) of cryogenic steel; an outer tank(83) of cryogenic steel; feet for supporting the storage tank(80) on a support structure(81);and an outlet pipe(84) communicating with the interior of the inner tank(82).

Description

The storage tank of liquid inflammable gas
Technical field
The present invention relates to the storage tank of LFG body, LFG style is as being LNG Liquefied natural gas (LNG).
Background technique
Not allowing inflammable gas calamity discharge from LFG storage tank (such as LNG storage tank) to protect, establishing safety standard.Current LNG safety standard provides the Security assortment of flat LNG storage tank for singly holding tank, double volume tank and entirely holding tank.
This point of LNG tank not extending to horizontal cylinder type.In order to all formulate Security to all types of similar tank, different storage tanks is now according to they complete grade classification:
Single-stage integrity is minimum grade, and wherein the calamity of internal container unsuccessfully can cause the uncontrolled spilling of rock gas and make vapour leakage to environment.
In twin-stage integrity, the failure of internal container can not cause leak of liquid, but natural gas vapor can be caused like this to leak into uncontrollably in environment.
Top grade is marked as safety integration, and provides retardance for any overflow, and only allows controlled evaporation to leak in environment.
Such as, the various of flat-bottom tank are configured in shown in Fig. 1 to Fig. 5.Fig. 6 and 7 shows the structure of horizontal cylinder tank.
Fig. 1 shows the flat-bottom tank 10 of twin-stage integrity, and it has the additional tank cup 14 of concrete pedestal 11, the inner canister 12 of Low temperature steel, the outer tank 13 of non-cryogenic steel and Low temperature steel.Also outer pipe 15 is shown.
Fig. 2 shows the twin-stage integrity flat-bottom tank 20 of another kind of structure, and it has concrete pedestal 21, soil dyke 22 processed, the inner canister 23 of Low temperature steel, the outer tank 24 of non-cryogenic steel and outer pipe 15.
Fig. 3 shows the twin-stage integrity flat-bottom tank 30 of the third structure, and it has concrete pedestal and liquid retention structure 31, the inner canister 32 of Low temperature steel, the outer tank 33 of non-cryogenic steel and outer pipe 34.
Fig. 4 shows the flat-bottom tank 40 of complete level integrity, and it has concrete pedestal 41, the inner canister 42 of Low temperature steel, Low temperature steel outer tank 43 and outer pipe 44.
Fig. 5 shows the flat-bottom tank 50 of the complete level integrity of the second structure, and it has the inner canister 52 of Low temperature steel, the non-self-support outer tank 53 being bearing in the non-cryogenic steel on concrete pedestal and complete holding structure 51 and outer pipe 54.
Fig. 6 shows single-stage integrity horizontal cylinder type tank 60, is generally used for storage air.Horizontal cylinder tank 60 is included in steel footing, the inner canister 62 of Low temperature steel, the outer tank 63 of non-cryogenic steel and outer pipe 64 in concrete bearing portion 61.
Fig. 7 shows twin-stage integrity horizontal cylinder type tank 70, and it has the steel footing on support 71, concrete retardance basin or dike 72, the inner canister 73 of Low temperature steel, the outer tank 74 of non-cryogenic steel and outer pipe 75.
Current do not have such horizontal cylinder type tubular construction, can be classified as the integrity tank of complete grade; That is, comparable safety class of intending the flat-bottom tank of complete pot type is provided.
Usually the complete grade of integrity is needed to be stored in populous region by LFG body.This is because the tank of single-stage or the twin-stage integrity consequence that do not provide enough safety protections to lose efficacy to resist internal container.Especially, those designs do not provide the suppression of leaking evaporation, and this will occur fast when liquid gas leaks into the region around tank or occur fast when tank secondary suppresses.
In addition, the catastrophic failure of Primary containers causes large-scale, cooled gas cloud to present disaster to surrounding people, because there is the high risk that fire or blast occur.And safety integration storage tank by pressure release valve disengaged vapor to surrounding environment, such as, release is carried out in a controlled manner, and quantity lacking very.
In order to above all reasons, still there is the demand improved cryogenic liquid gas storage tank in the art.
Summary of the invention: object, solution and advantage
From above-mentioned inferior position and shortcoming, and include prior art in consideration, the object of the invention is to the storage tank improving cryogenic liquid gas.
This object reaches by comprising the storage tank of claim 1 feature.Favourable mode of execution and clear raising of the present invention are recorded in the dependent claims.
The invention provides the neotectonics of the safety integration horizontal cylinder storage tank for cryogenic liquid gas.Especially, the invention provides the safety integration horizontal cylinder tank for storing LFG body, such as storing LNG Liquefied natural gas (LNG).
Safety integration horizontal cylinder tank of the present invention is all manufactured by Low temperature steel by making inner canister and outer tank and obtains.Safety integration horizontal cylinder tank of the present invention comprise footing on supporting structure and the outer pipe that is communicated with the inside of inner canister, footing is formed from steel especially, and this supporting structure is made up of concrete especially.
The advantage of horizontal cylinder tank of the present invention is as follows:
Even if leak from inner canister, outer tank can not lose efficacy because of brittle fracture.In other words, by having the outer tank that Low temperature steel is made, even if the design of horizontal cylinder tank of the present invention also can be intact when there occurs calamitous inner canister and leaking.
In addition, bursting diaphragm can be arranged in outer tank, when inner canister is leaked, allows to control steam and is discharged into home.Do not need to keep hole, ditch or dike.
In addition, owing to including emergency cut-off (ESD) valve in inner canister, can leak or shutdown system when breaking at adjacent channel.These are different from traditional tank designs, and in traditional storage tank, ESD valve is positioned at tank outside.
The position of this ESD valve, when pipeline splits or ESD valve upstream is leaked, can not the loss completely of protective pot stock.As noted, according to the present invention by ESD valve is positioned at tank inside, the inferior position in the design of prior art tank can be overcome.
Other advantage of the present invention is, horizontal cylinder tank meets the grade needs of safety integration storage tank, and therefore can replace the flat-bottom tank of suppression completely that uses in current industrial and use.For a lot of storage capacity, hold storing lower especially, horizontal tank built and installed just more easily, faster and cost is lower, therefore relative to capital expenditure and construction cost compared with flat-bottom tank advantageously.
In addition, the floor space in the present invention needed for horizontal cylinder tank compared with flat-bottom tank or standard the horizontal cylinder tank within embankment less.This is for advantageous particularly carrying out LNG storage at fuel website (such as servicer), because have the Security that can reach top grade in the area little as far as possible of high population density around usually.
Accompanying drawing explanation
In order to the mode of execution can understood more completely described in the present invention and the content discussed above, there is several selection to need to embody, and improve instruction of the present invention in an advantageous manner.For this purpose, the present invention can be described below in more detail; Especially, with reference to the claim quoting claim 1; The present invention further improves, Characteristics and advantages below with reference to preferred implementation by the mode of indefiniteness example and combine accompanying drawing that below mode of execution illustrates at least in part and make explanation specifically, wherein:
Fig. 1 is the schematic diagram of twin-stage integrity flat-bottom tank first embodiment according to prior art;
Fig. 2 is the schematic diagram of twin-stage integrity flat-bottom tank second embodiment according to prior art;
Fig. 3 is the schematic diagram of twin-stage integrity flat-bottom tank the 3rd embodiment according to prior art;
Fig. 4 is the schematic diagram of complete level integrity flat-bottom tank first embodiment according to prior art;
Fig. 5 is the schematic diagram of complete level integrity flat-bottom tank second embodiment according to prior art;
Fig. 6 is embodiment's schematic diagram of the single-stage integrity horizontal cylinder tank according to prior art;
Fig. 7 is embodiment's schematic diagram of the twin-stage integrity horizontal cylinder tank according to prior art; And
Fig. 8 is the embodiment's schematic diagram according to complete level integrity horizontal cylinder tank of the present invention.
The detailed description preferred forms of the present invention of accompanying drawing
Fig. 8 shows the horizontal cylinder storage tank 80 of complete pole integrity, and it has steel footing for supporting storage tank 80 in concrete bearing portion 81, the inner canister 82 of Low temperature steel, the outer tank 83 of Low temperature steel, the outer pipe 84 that is communicated with the inside of inner canister 82.
In addition, horizontal cylinder tank 80 is included in (be equal to inner canister 82 positioned internal) emergency cut-off (ESD) valve 85 in tank, and it is connected to outer pipe 84.This ESD valve 85 makes can cut out when contiguous pipe leakage or cracking.
Bursting diaphragm is provided in outer tank 83, and when inner canister 82 is leaked, described bursting diaphragm allows, when controlled, steam is discharged into home.
The storage tank 80 of Fig. 8 is for storing cryogenic liquid gas, and particularly store LFG body, such as store the rock gas (LNG) of liquefaction, the fuel website place such as on servicer provides LNG to store.
It is expected to, those skilled in the art are expecting other mode of execution of the present invention and distortion with reference to situation about illustrating to being easy to above, and it means that such mode of execution and distortion fall in the scope of the invention that subsidiary claim limits equally.
Reference numerals list
80 safety integration horizontal cylinder type storage tanks
81 supporting structures
82 inner canisters
83 outer tanks
84 outer pipes
85 emergency cut-offs (ESD) valve

Claims (15)

1. safety integration horizontal cylinder type storage tank (80), comprising:
The inner canister (82) of-Low temperature steel;
The outer tank (83) of-Low temperature steel;
-footing, described footing is in order to be bearing on supporting structure (81) by storage tank (80); And
-outer pipe (84), described outer pipe is communicated with the inside of inner canister (82).
2. safety integration horizontal cylinder type storage tank according to claim 1, is characterized in that, comprise emergency shut-in valve (85) further.
3. safety integration horizontal cylinder type storage tank according to claim 2, it is characterized in that, emergency shut-in valve (85) is connected to outer pipe (84).
4., according to the safety integration horizontal cylinder type storage tank of Claims 2 or 3, it is characterized in that, emergency shut-in valve (85) is positioned at the inside of inner canister (82).
5. according to the safety integration horizontal cylinder type storage tank of claim 2 to 4 at least one, it is characterized in that, emergency shut-in valve (85) makes to close when adjacent channel leaks or ftracture.
6., according to the safety integration horizontal cylinder type storage tank of claim 1 to 5 at least one, it is characterized in that, be included in the bursting diaphragm in outer tank (83) further.
7. safety integration horizontal cylinder type storage tank according to claim 6, is characterized in that, the release that bursting diaphragm allows steam controlled.
8. safety integration horizontal cylinder type storage tank according to claim 7, is characterized in that, when inner canister (82) is leaked, steam is discharged into home.
9., according to the safety integration horizontal cylinder type storage tank of claim 1 to 8 at least one, it is characterized in that, footing is formed from steel.
10., according to the safety integration horizontal cylinder type storage tank of claim 1 to 9 at least one, it is characterized in that, supporting structure (81) is made up of concrete.
11. according to the safety integration horizontal cylinder type storage tank of claim 1 to 10 at least one, and it is characterized in that, described storage tank is for storing cryogenic liquid gas.
12. safety integration horizontal cylinder type storage tanks according to claim 11, it is characterized in that, described storage tank is for storing LFG body.
13. safety integration horizontal cylinder type storage tanks according to claim 12, it is characterized in that, described storage tank is for storing LNG Liquefied natural gas (LNG).
14. safety integration horizontal cylinder type storage tanks according to claim 13, is characterized in that, described storage tank is used for storing LNG at fuel website.
15. safety integration horizontal cylinder type storage tanks according to claim 14, is characterized in that, provide described storage tank in the fuel station of servicer.
CN201480018677.6A 2013-04-17 2014-04-17 Storage tank for liquefied flammable gases Pending CN105378367A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361812840P 2013-04-17 2013-04-17
US61/812,840 2013-04-17
PCT/EP2014/057842 WO2014170415A1 (en) 2013-04-17 2014-04-17 Storage tank for liquefied flammable gases

Publications (1)

Publication Number Publication Date
CN105378367A true CN105378367A (en) 2016-03-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480018677.6A Pending CN105378367A (en) 2013-04-17 2014-04-17 Storage tank for liquefied flammable gases

Country Status (5)

Country Link
EP (1) EP2986883B1 (en)
CN (1) CN105378367A (en)
AU (1) AU2014255682B2 (en)
RU (1) RU2663930C2 (en)
WO (1) WO2014170415A1 (en)

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CN106392350A (en) * 2016-09-08 2017-02-15 武汉钢铁股份有限公司 Processing method and device for branch pipe fracture of inflammable low-temperature liquid storage tank
CN112142017A (en) * 2020-09-30 2020-12-29 西南石油大学 Nitrogen preparation device based on pressure swing adsorption separation technology

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