EP0454880A1 - Procédé pour un réservoir à gaz liquéfié, isolé contre le froid, et un réservoir pour la réalisation d'un tel procédé - Google Patents

Procédé pour un réservoir à gaz liquéfié, isolé contre le froid, et un réservoir pour la réalisation d'un tel procédé Download PDF

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Publication number
EP0454880A1
EP0454880A1 EP90108305A EP90108305A EP0454880A1 EP 0454880 A1 EP0454880 A1 EP 0454880A1 EP 90108305 A EP90108305 A EP 90108305A EP 90108305 A EP90108305 A EP 90108305A EP 0454880 A1 EP0454880 A1 EP 0454880A1
Authority
EP
European Patent Office
Prior art keywords
gas
storage tank
tank
cold
product gas
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.)
Granted
Application number
EP90108305A
Other languages
German (de)
English (en)
Other versions
EP0454880B1 (fr
Inventor
Vladimir Dipl.-Ing. Puklavec
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.)
TGE Marine Gas Engineering GmbH
Original Assignee
Tractebel Gas Engineering 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 Tractebel Gas Engineering GmbH filed Critical Tractebel Gas Engineering GmbH
Priority to DK90108305.5T priority Critical patent/DK0454880T3/da
Priority to EP90108305A priority patent/EP0454880B1/fr
Priority to AT90108305T priority patent/ATE117649T1/de
Priority to DE59008368T priority patent/DE59008368D1/de
Publication of EP0454880A1 publication Critical patent/EP0454880A1/fr
Application granted granted Critical
Publication of EP0454880B1 publication Critical patent/EP0454880B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F17C13/004—Details of vessels or of the filling or discharging of vessels for large storage vessels not 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
    • 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
    • F17C13/126—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for large storage containers 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
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/022—Land-based bulk storage containers
    • 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

Definitions

  • the invention has a method on a cold-insulated storage tank for liquefied gases to the opposite beach, in which the liquefied gas storage temperature is below the ambient temperature, which is usually the outside temperature, and also a storage tank for carrying out the method, in which is inside a closed outside tank there is an inner tank connected to this on the gas side, which contains the liquid gas to be stored - hereinafter referred to as product gas.
  • the storage temperature of a liquid gas for example a liquid butane (n-butane or i-butane) is, depending on the excess pressure, at a barometric pressure of
  • a liquid gas for example a liquid butane (n-butane or i-butane)
  • n-butane or i-butane liquid butane
  • i-butane i-butane
  • the object of the invention is to be seen in proposing a method and a storage tank in order to avoid the formation of condensate, which must be removed from the storage tank, which requires expensive devices such. B. required for pumping, precautions must also be taken to counter a floating of the inner tank by the resulting buoyancy.
  • the proposed procedure for a generic storage tank for liquefied gases consists in admixing lower-boiling gases to lower the dew point temperature.
  • the applicability of the procedure according to the invention is not dependent on a specific type of cold-insulated storage tank for liquefied gases at low temperatures; it can basically be used for any type of tank.
  • an open inner tank (open cup) is arranged inside a closed outer tank, and both tanks are connected to one another on the gas side.
  • the outer tank can fulfill two functions, namely that it can serve as a collecting container to hold the entire tank contents in the event of failure of the inner tank, and in addition to this task, it can be designed as an insulating container.
  • a gas which is compatible with the product gas and has a higher vapor pressure is fed into the space between the outer and inner tank in the floor area at locally evenly distributed locations, which increases as a result of the force of gravity and increases distributed in the space of the entire surrounding area of the inner tank and thereby mixed with the product gas present there, thereby producing a gas mixture whose temperature is below the ambient temperature.
  • a particularly safe tank design is created. If necessary, liquid can accumulate in the roof area, which is discharged into the inner tank by suitable deflecting devices or deflecting plates.
  • the gas compatible with the product gas can also be a mixture of the gas with higher vapor pressure and product gas.
  • the gas fed into the space between the inner and outer tanks cannot rise freely in the desired manner, which hinders the feed and can therefore undesirably prolong the feed time.
  • This can be attributed to a too narrow interspace, due to built-in or stiffening or the like in the interspace, or due to the cold insulation being carried out using a bed of granular material. This can cause undesirable pressure build-up due to the resistance in the bed.
  • the gas to be fed in with a higher vapor pressure becomes a larger one Share the space in the upper or roof area of the storage tank under sufficient pressure and thereby flushing the space from top to bottom is carried out, and a modification is also provided in such a way that the entire gas to be fed with higher vapor pressure to the space in the upper or Roof area of the storage tank is fed.
  • the further invention relates to a storage tank provided with cold insulation for liquefied gases, hereinafter referred to as product gas, in which an inner tank connected to this on the gas side is arranged within a closed outer tank and cold-insulating layers are used within the space created by the walls of the outer and inner tanks , and it consists of a ring line laid in the floor area of the intermediate space with evenly distributed outlet openings for feeding in a gas which is compatible with the product gas and has a higher vapor pressure, which is connected to supply tanks or supply systems via supply lines, shut-off and control elements.
  • individual or slit-like inlet openings for the gas to be fed in which is compatible with the product gas and have a higher vapor pressure, are locally distributed in the upper or roof area and are connected to the supply lines.
  • the storage tanks can advantageously be designed in such a way that the cold-insulating layers are applied in the bottom region between the bottom of the inner and outer tanks.
  • the cold insulation can be created by placing on the space facing the side and / or roof walls of the inner and / or the outer tank the cold-insulating layers are attached, while in the roof area an expedient solution can be that the cold-insulating layer in the roof area is designed as a suspended insulating ceiling and is attached to the roof of the outer tank.
  • the inner tank 3 is formed from its bottom 5 and the side walls 13 and is open at the top. Between the bottom 5 of the inner tank 3 and the outer tank 7, a cold insulation layer is used in a manner not shown.
  • the outer tank 7 consists of a bottom 6, the side walls 12 and the roof 18; it is made of concrete and is provided on its inner wall surfaces with a liquid-tight lining 16 made of corrosion-resistant steel.
  • the side wall surfaces 13 of the inner tank 3 facing the intermediate space 4 are provided with a cold-insulating layer 14.
  • a suspended insulating blanket 17 is attached.
  • a circumferential ring line 21 is laid with locally distributed outlet openings 22 and connected by means of the feed lines 23 via shut-off and control valves 24, 25 to a storage tank (not shown) for the gas to be fed in with a higher vapor pressure.
  • butane is transported and stored as a mixture of n- and i-butane - as well as admixtures of a few mol% of propane and pentane.
  • the composition of the stored product is the boiling point (ie the storage temperature) at an overpressure of In the cold season, the lowest possible tank pressure should be kept for the aforementioned reasons.
  • the equilibrium gas phase at 50 mbar is at the specified storage temperature of 0 ° C at the dew point.
  • the required dew point temperature depends on the coldest temperature in the intermediate jacket space. This coldest temperature depends on the ambient temperature (in the case of a concrete outer tank, rather on the daily mean temperature) and on the heat transfer between the warmer tank content in the inner tank and the inside of the outer tank, including any cold insulation, which is exposed to the product gas (mixed with lighter-boiling gas).
  • Corresponding temperature displays can be installed at these points and alarms can be triggered for the measured temperature values that are the same or lower than the product temperature or product gas dew point, and the feed of lower-boiling gas can be initiated. It is irrelevant whether the low-boiling gas is fed in alone or premixed with the product gas (set to the desired dew point). In the latter case, the total amount of light gas to be fed in is lower, which also has advantages with regard to further treatment (e.g. re-liquefaction) when the warm ambient temperatures occur.
  • further treatment e.g. re-liquefaction

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)
EP90108305A 1990-05-02 1990-05-02 Procédé pour un réservoir à gaz liquéfié, isolé contre le froid, et un réservoir pour la réalisation d'un tel procédé Expired - Lifetime EP0454880B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK90108305.5T DK0454880T3 (da) 1990-05-02 1990-05-02 Fremgangsmåde ved en varmeisoleret lagertank for kondenseret gas, og lagertank til brug ved udøvelse af fremgangsmåden
EP90108305A EP0454880B1 (fr) 1990-05-02 1990-05-02 Procédé pour un réservoir à gaz liquéfié, isolé contre le froid, et un réservoir pour la réalisation d'un tel procédé
AT90108305T ATE117649T1 (de) 1990-05-02 1990-05-02 Verfahren an einem kältegedämmten lagertank für verflüssigtes gas und lagertank zur durchführung des verfahrens.
DE59008368T DE59008368D1 (de) 1990-05-02 1990-05-02 Verfahren an einem kältegedämmten Lagertank für verflüssigtes Gas und Lagertank zur Durchführung des Verfahrens.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90108305A EP0454880B1 (fr) 1990-05-02 1990-05-02 Procédé pour un réservoir à gaz liquéfié, isolé contre le froid, et un réservoir pour la réalisation d'un tel procédé

Publications (2)

Publication Number Publication Date
EP0454880A1 true EP0454880A1 (fr) 1991-11-06
EP0454880B1 EP0454880B1 (fr) 1995-01-25

Family

ID=8203943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90108305A Expired - Lifetime EP0454880B1 (fr) 1990-05-02 1990-05-02 Procédé pour un réservoir à gaz liquéfié, isolé contre le froid, et un réservoir pour la réalisation d'un tel procédé

Country Status (4)

Country Link
EP (1) EP0454880B1 (fr)
AT (1) ATE117649T1 (fr)
DE (1) DE59008368D1 (fr)
DK (1) DK0454880T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109737300A (zh) * 2019-01-10 2019-05-10 舟山市祥睿船舶科技开发有限责任公司 一种节能型lng燃气供应装置
CN110207000A (zh) * 2019-06-28 2019-09-06 浙江振申绝热科技股份有限公司 一种低温储罐的罐顶结构
CN114458945A (zh) * 2022-02-23 2022-05-10 中太(苏州)氢能源科技有限公司 一种采用液气冷壁的大型液氢全容罐
CN114673925A (zh) * 2022-04-26 2022-06-28 中太海事技术(上海)有限公司 一种用于液氢储存的常压储罐
CN114704761A (zh) * 2022-03-17 2022-07-05 江苏兆辉防腐科技有限公司 一种钢滚塑pfa立式储罐
CN116557751A (zh) * 2022-01-28 2023-08-08 中国石化工程建设有限公司 一种储存低温液化烃的方法及系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106986111B (zh) * 2017-05-08 2020-08-07 中车长江车辆有限公司 油箱内置的保温集装箱

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2984080A (en) * 1958-06-25 1961-05-16 Conch Int Methane Ltd Method and means for the transportation of liquefied natural gas
GB870267A (en) * 1957-08-09 1961-06-14 Garrett Corp Tank for storing low temperature liquids in ambient surroundings
FR2216515A1 (fr) * 1973-01-31 1974-08-30 Carves Simon Ltd

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB870267A (en) * 1957-08-09 1961-06-14 Garrett Corp Tank for storing low temperature liquids in ambient surroundings
US2984080A (en) * 1958-06-25 1961-05-16 Conch Int Methane Ltd Method and means for the transportation of liquefied natural gas
FR2216515A1 (fr) * 1973-01-31 1974-08-30 Carves Simon Ltd

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109737300A (zh) * 2019-01-10 2019-05-10 舟山市祥睿船舶科技开发有限责任公司 一种节能型lng燃气供应装置
CN110207000A (zh) * 2019-06-28 2019-09-06 浙江振申绝热科技股份有限公司 一种低温储罐的罐顶结构
CN110207000B (zh) * 2019-06-28 2024-03-26 浙江振申绝热科技股份有限公司 一种低温储罐的罐顶结构
CN116557751A (zh) * 2022-01-28 2023-08-08 中国石化工程建设有限公司 一种储存低温液化烃的方法及系统
CN114458945A (zh) * 2022-02-23 2022-05-10 中太(苏州)氢能源科技有限公司 一种采用液气冷壁的大型液氢全容罐
CN114458945B (zh) * 2022-02-23 2024-01-26 中太(苏州)氢能源科技有限公司 一种采用液气冷壁的大型液氢全容罐
CN114704761A (zh) * 2022-03-17 2022-07-05 江苏兆辉防腐科技有限公司 一种钢滚塑pfa立式储罐
CN114673925A (zh) * 2022-04-26 2022-06-28 中太海事技术(上海)有限公司 一种用于液氢储存的常压储罐
CN114673925B (zh) * 2022-04-26 2024-01-23 中太能源科技(上海)有限公司 一种用于液氢储存的常压储罐

Also Published As

Publication number Publication date
ATE117649T1 (de) 1995-02-15
DE59008368D1 (de) 1995-03-09
EP0454880B1 (fr) 1995-01-25
DK0454880T3 (da) 1995-06-26

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