CN108980618A - A kind of chilldown system and method for LNG receiving station large diameter pipeline - Google Patents

A kind of chilldown system and method for LNG receiving station large diameter pipeline Download PDF

Info

Publication number
CN108980618A
CN108980618A CN201810947202.5A CN201810947202A CN108980618A CN 108980618 A CN108980618 A CN 108980618A CN 201810947202 A CN201810947202 A CN 201810947202A CN 108980618 A CN108980618 A CN 108980618A
Authority
CN
China
Prior art keywords
nitrogen
large diameter
pipeline
diameter pipeline
cooled
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
CN201810947202.5A
Other languages
Chinese (zh)
Inventor
单骏蒙
陈�峰
张晨
王亚群
翟博
王沛
安东雨
杨春艳
陈锐莹
姜夏雪
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.)
CNOOC Gas and Power Group Co Ltd
Original Assignee
CNOOC Gas and Power Group Co Ltd
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 CNOOC Gas and Power Group Co Ltd filed Critical CNOOC Gas and Power Group Co Ltd
Priority to CN201810947202.5A priority Critical patent/CN108980618A/en
Publication of CN108980618A publication Critical patent/CN108980618A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00Pipe-line systems
    • F17D1/08Pipe-line systems for liquids or viscous products
    • F17D1/082Pipe-line systems for liquids or viscous products for cold fluids, e.g. liquefied gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The present invention relates to a kind of chilldown system and method for LNG receiving station large diameter pipeline, which includes cooled large diameter pipeline, storage tank, gas phase return duct, flare vent system and nitrogen-filling system;The outlet end of cooled large diameter pipeline is connected in parallel multiple storage tanks, and the top gas phase outlet of storage tank is connected by gas phase return duct with flare vent system;Note nitrogen point is provided on cooled large diameter pipeline, note nitrogen point connects a nitrogen-filling system;Nitrogen-filling system includes liquid nitrogen source and gasifier, and liquid nitrogen source is connected in parallel the input end of more than two gasifiers by connecting pipeline, and the outlet end of gasifier is connected through connecting pipeline, shut-off valve and orifice flowmeter with the note nitrogen point on cooled large diameter pipeline.The present invention utilizes the cooling large aperture pipeline of nitrogen, it is possible to reduce the discharge of greenhouse gases, effect on environment very little save LNG receiving station and cost are pre-chilled, and can improve precooling effect with flexible modulation precooling speed, reduce tube-cooled risk.

Description

A kind of chilldown system and method for LNG receiving station large diameter pipeline
Technical field
The present invention relates to a kind of pipeline chilldown system and methods, are specifically directly realized by using liquid nitrogen to LNG about a kind of The chilldown system and method for cooling, the pre-cooling effect of (liquefied natural gas) receiving station large diameter pipeline.
Background technique
LNG process pipe is the important way for connecting and realizing each unit operation of LNG receiving station.Since LNG has There is the characteristic of ultralow temperature, temperature is generally -165 DEG C, and therefore, LNG process pipe uses the austenite stainless of low temperature performance excellent Steel.Due to the characteristic of process pipe material, there are cold events during the decline of fluids within pipes temperature, the stress generated It can exceed that the yield strength of material and be damaged, especially bigbore process pipe, the consequence that goes wrong will very Seriously.Therefore, it goes into operation for LNG receiving station before unloading first LNG ship, needs that process pipe is pre-chilled, it is especially right Heavy caliber process pipe gone into operation before pre-cooling work, in this way can with the designing quality of comprehensive test pipeline, construction quality and The matter of the stress variation situation and pipeline of pipeline, equipment, the cryogenic property of valve and sealing performance, cold insulation construction and material Amount etc. reserves the sufficient rectification time before first ship test run, also ensures the building ring in safety to find the problem early The problem is rectified and improved under border.Process pipe is carried out in advance using BOG (flashed vapour) currently, common forecooling method has It is cold, but the method has two: and one, compared to liquid nitrogen, BOG unit price is higher;Two, it is provided due to BOG by tanker, pipeline Precooling speed is limited by ship, and if pre-cooling go wrong, risk is larger, and the tanker residence time accordingly lengthens.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide one kind can substantially save pre-cooling cost, tube-cooled wind is reduced Danger, while the chilldown system and method for LNG receiving station large diameter pipeline of the pre- cold efficiency of pipeline can be improved.
To achieve the above object, the present invention takes following technical scheme: a kind of for the pre- of LNG receiving station large diameter pipeline Cooling system, which is characterized in that the chilldown system includes cooled large diameter pipeline (1), LNG storage tank (2), gas phase return duct (3), flare vent system (4) and nitrogen-filling system (5);The input end of the cooled large diameter pipeline (1) is laid on harbour (6) Interior, outlet end is connected in parallel multiple LNG storage tanks (2);The top gas phase outlet of each LNG storage tank (2) passes through institute It states gas phase return duct (3) to be connected with the flare vent system (4), and close to the flare vent system (4) side The gas phase return duct (3) is by bypass line (7) and close to the cooled large diameter pipeline of the harbour (6) side (1) it is connected to;More than one note nitrogen point (8), each note nitrogen point are provided on the cooled large diameter pipeline (1) (8) it is all connected with a nitrogen-filling system (5);The nitrogen-filling system (5) includes liquid nitrogen source and gasifier (52), and the liquid nitrogen source is logical The input end that connecting pipeline is connected in parallel more than two gasifiers (52) is crossed, the outlet end of the gasifier (52) is through connecting Pipeline, shut-off valve (53) and orifice flowmeter (54) are connected with the note nitrogen point (8) on the cooled large diameter pipeline (1) It connects.
In a preferred embodiment, the liquid nitrogen source is mobile liquid nitrogen storage tank (51) or liquid nitrogen tank car (9), described Liquid nitrogen tank car (9) is connected by jumper hose (10) with the connecting pipeline of the gasifier (52).
In a preferred embodiment, close to described mobile liquid nitrogen storage tank (51) or jumper hose (10) outlet end Connecting pipeline and close to the gasifier (52) input end connecting pipeline on be provided with for adjusting nitrogen flow Regulating valve (55).
In a preferred embodiment, in the connecting pipeline close to the gasifier (52) inlet end and an outlet end It is provided with drain valve (56).
In a preferred embodiment, pressure is additionally provided in the connecting pipeline for being located at the gasifier (52) outlet end Power table (57) and thermometer (58).
In a preferred embodiment, the cooled large diameter pipeline (1) is divided into tank area, process island and harbour The note nitrogen point (8) is respectively arranged in three, area region, each region.
A kind of forecooling method for LNG receiving station large diameter pipeline realizes, feature exists using above-mentioned chilldown system In, the forecooling method the following steps are included:
1) position and the quantity of note nitrogen point (8) are chosen on cooled large diameter pipeline (1) according to pre-cooling scheme;
2) nitrogen-filling system (5) are connected in each note nitrogen point (8), liquid nitrogen is changed into cryogenic nitrogen after gasifier (52) Gas, low temperature nitrogen flow through orifice flowmeter (54) and inject cooled large diameter pipeline (1) afterwards;
3) flow direction of low temperature nitrogen and practical discharge direction are on the contrary, using low temperature nitrogen by cooled large diameter pipeline (1) temperature is gradually cooled down to -110 DEG C~-120 DEG C by room temperature;
4) low temperature nitrogen after being pre-chilled enters gas phase return duct (3) by the bridging of liquid phase arm and gas phase arm, final logical Cross flare vent system (4) emptying.
The invention adopts the above technical scheme, which has the following advantages: the present invention utilizes the cooling large-aperture pipe of nitrogen Road, it is possible to reduce the discharge of greenhouse gases, effect on environment very little save LNG receiving station and cost are pre-chilled, can be pre- with flexible modulation Speed of cooling improves precooling effect, reduces tube-cooled risk.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of chilldown system of the present invention;
Fig. 2 is the structural schematic diagram of nitrogen-filling system of the present invention.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.It should be appreciated, however, that the offer of attached drawing is only For a better understanding of the present invention, they should not be interpreted as limitation of the present invention.
As shown in Figure 1, the chilldown system provided by the present invention for LNG receiving station large diameter pipeline includes the big mouth that is cooled Diameter pipeline 1, LNG storage tank 2, gas phase return duct 3, flare vent system 4 and nitrogen-filling system 5.Cooled large diameter pipeline 1 into Mouth end is laid in harbour 6, and outlet end is connected in parallel multiple LNG storage tanks 2.The top gas phase outlet of each LNG storage tank 2 passes through Gas phase return duct 3 is connected with flare vent system 4, and the gas phase return duct 3 close to 4 side of flare vent system passes through Bypass line 7 is connected to the cooled large diameter pipeline 1 close to 6 side of harbour.One is provided on cooled large diameter pipeline 1 A above note nitrogen point 8, each note nitrogen point 8 are all connected with a nitrogen-filling system 5.
As shown in Fig. 2, nitrogen-filling system 5 includes mobile liquid nitrogen storage tank 51 and gasifier 52, mobile liquid nitrogen storage tank 51 is logical The input end that connecting pipeline is connected in parallel more than two gasifiers 52 is crossed, the outlet end of gasifier 52 is through connecting pipeline, shut-off valve 53 and orifice flowmeter 54 be connected with the note nitrogen point 8 on cooled large diameter pipeline 1.
In a preferred embodiment, low temperature nitrogen can also be provided using liquid nitrogen tank car 9, liquid nitrogen tank car 9 is logical at this time Jumper hose 10 is crossed to be connected with the connecting pipeline of gasifier 52.
In a preferred embodiment, in the connecting tube close to mobile liquid nitrogen storage tank 51 or 10 outlet end of jumper hose The regulating valve 55 for adjusting nitrogen flow is provided in the connecting pipeline of line and close 52 input end of gasifier.
In a preferred embodiment, it is provided in the connecting pipeline close to 52 inlet end and an outlet end of gasifier Drain valve 56, when connecting pipeline hypertonia, pressure release is exhausted in the opening of drain valve 56, prevents connecting pipeline superpressure.
In a preferred embodiment, pressure gauge 57 is additionally provided in the connecting pipeline for being located at 52 outlet end of gasifier With thermometer 58.
In a preferred embodiment, in order to make precooling effect reach best, efficiency highest, it is generally the case that will be by Cooling large diameter pipeline 1 divides for tank area, process island and the region of quayside three, and a note nitrogen point 8 is respectively arranged in each region, To avoid process island and quayside line temperature from the phenomenon that reducing slow or excessive temperature differentials occur.
The chilldown system provided based on the above embodiment, the invention also provides one kind to be used for LNG receiving station large-diameter pipe The forecooling method in road comprising following steps:
1) position and the quantity for choosing note nitrogen point 8 on cooled large diameter pipeline 1 according to pre-cooling scheme, infuse nitrogen point 8 Position and quantity need meet in the case where Best Economy and cooling rate complete pre-cooling work;
2) nitrogen-filling system 5 being connected in each note nitrogen point 8, liquid nitrogen is supplied by mobile liquid nitrogen storage tank 51 or liquid nitrogen tank car 9, Liquid nitrogen is changed into low temperature nitrogen after gasifier 52, and low temperature nitrogen injects cooled large-diameter pipe after flowing through orifice flowmeter 54 Road 1;
3) flow direction of low temperature nitrogen and practical discharge direction are on the contrary, flow to quayside from tank area, by way of technique Area, cooled 1 temperature of large diameter pipeline is gradually cooled down to -110 DEG C~-120 DEG C by room temperature using low temperature nitrogen;
4) low temperature nitrogen after being pre-chilled enters gas phase return duct 3 by the bridging of liquid phase arm and gas phase arm, eventually by Flare vent system 4 is vented, it is ensured that the safety of low temperature nitrogen discharge.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type and manufacture craft etc. are all It can be varied, all equivalents and improvement carried out based on the technical solution of the present invention should not exclude Except protection scope of the present invention.

Claims (7)

1. a kind of chilldown system for LNG receiving station large diameter pipeline, which is characterized in that the chilldown system includes cooled big Caliber pipe (1), LNG storage tank (2), gas phase return duct (3), flare vent system (4) and nitrogen-filling system (5);
The input end of the cooled large diameter pipeline (1) is laid in harbour (6), and outlet end is connected in parallel multiple LNG Storage tank (2);It is put by the gas phase return duct (3) with the torch top gas phase outlet of each LNG storage tank (2) Empty set system (4) is connected, and the gas phase return duct (3) close to the flare vent system (4) side passes through bypass pipe Line (7) is connected to the cooled large diameter pipeline (1) close to the harbour (6) side;In the cooled large-diameter pipe More than one note nitrogen point (8) is provided on road (1), each note nitrogen point (8) is all connected with a nitrogen-filling system (5);
The nitrogen-filling system (5) includes liquid nitrogen source and gasifier (52), and the liquid nitrogen source is connected in parallel two by connecting pipeline The input end of gasifier (52) described above, the outlet end of the gasifier (52) is through connecting pipeline, shut-off valve (53) and orifice plate Flowmeter (54) is connected with the note nitrogen point (8) on the cooled large diameter pipeline (1).
2. chilldown system as described in claim 1, which is characterized in that the liquid nitrogen source is mobile liquid nitrogen storage tank (51) or liquid Nitrogen tank car (9), the liquid nitrogen tank car (9) are connected by jumper hose (10) with the connecting pipeline of the gasifier (52).
3. chilldown system as claimed in claim 2, which is characterized in that close to the mobile liquid nitrogen storage tank (51) or bridging It is provided with and is used in the connecting pipeline of hose (10) outlet end and the connecting pipeline of the close gasifier (52) input end Adjust the regulating valve (55) of nitrogen flow.
4. such as the described in any item chilldown systems of claims 1 to 3, which is characterized in that close to the gasifier (52) import Drain valve (56) are provided in the connecting pipeline of end and outlet end.
5. such as the described in any item chilldown systems of claims 1 to 3, which is characterized in that exported being located at the gasifier (52) Pressure gauge (57) and thermometer (58) are additionally provided in the connecting pipeline at end.
6. such as the described in any item chilldown systems of claims 1 to 3, which is characterized in that by the cooled large diameter pipeline (1) It is divided into tank area, process island and the region of quayside three, the note nitrogen point (8) is respectively arranged in each region.
7. a kind of forecooling method for LNG receiving station large diameter pipeline, described in any item pre- using such as claims 1 to 6 Cooling system realize, which is characterized in that the forecooling method the following steps are included:
1) position and the quantity of note nitrogen point (8) are chosen on cooled large diameter pipeline (1) according to pre-cooling scheme;
2) nitrogen-filling system (5) are connected in each note nitrogen point (8), liquid nitrogen is changed into low temperature nitrogen after gasifier (52), low Warm nitrogen flows through orifice flowmeter (54) and injects cooled large diameter pipeline (1) afterwards;
3) flow direction of low temperature nitrogen and practical discharge direction are on the contrary, using low temperature nitrogen by cooled large diameter pipeline (1) Temperature is gradually cooled down to -110 DEG C~-120 DEG C by room temperature;
4) low temperature nitrogen after being pre-chilled enters gas phase return duct (3) by the bridging of liquid phase arm and gas phase arm, eventually by fire Torch blowdown system (4) emptying.
CN201810947202.5A 2018-08-20 2018-08-20 A kind of chilldown system and method for LNG receiving station large diameter pipeline Pending CN108980618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810947202.5A CN108980618A (en) 2018-08-20 2018-08-20 A kind of chilldown system and method for LNG receiving station large diameter pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810947202.5A CN108980618A (en) 2018-08-20 2018-08-20 A kind of chilldown system and method for LNG receiving station large diameter pipeline

Publications (1)

Publication Number Publication Date
CN108980618A true CN108980618A (en) 2018-12-11

Family

ID=64553879

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810947202.5A Pending CN108980618A (en) 2018-08-20 2018-08-20 A kind of chilldown system and method for LNG receiving station large diameter pipeline

Country Status (1)

Country Link
CN (1) CN108980618A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110057658A (en) * 2019-04-22 2019-07-26 龙源 The cooling device and method of half gas low temperature high-pressure metal pipe explosion bulge test of heavy caliber
CN110058618A (en) * 2019-05-06 2019-07-26 龙源 A kind of temperature accuracy control method for the experiment of half gas low temperature pipeline of heavy caliber
CN110145684A (en) * 2019-05-31 2019-08-20 中国空分工程有限公司 A kind of low-temperature storage tank chilldown system and forecooling method
CN112762353A (en) * 2021-02-01 2021-05-07 东华工程科技股份有限公司 LNG (liquefied Natural gas) conveying pipeline device and method for precooling by using BOG (boil off gas)
CN113124320A (en) * 2021-04-30 2021-07-16 西安航天动力研究所 Rapid precooling method for low-temperature medium pipeline system
CN114688378A (en) * 2020-12-29 2022-07-01 连云港石化有限公司 Precooling system and precooling method for long-distance conveying pipeline
CN114688447A (en) * 2020-12-29 2022-07-01 连云港石化有限公司 Receiving system of long-distance large-diameter pipeline and start-up method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004010044A1 (en) * 2002-07-23 2004-01-29 L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude Method and apparatus for the controlled feed of liquefied gas to liquefied gas containers
CN101805649A (en) * 2010-03-19 2010-08-18 哈尔滨深冷气体液化设备有限公司 Natural gas liquefaction process with lithium bromide precooling
CN103527924A (en) * 2013-04-26 2014-01-22 洛阳新奥华油燃气有限公司 Precooling method before unloading of LNG (Liquefied Natural Gas) tank wagon
CN203549372U (en) * 2013-10-21 2014-04-16 成都华气厚普机电设备股份有限公司 LNG (Liquefied Natural Gas) cylinder manifold filling device
CN108036194A (en) * 2017-10-20 2018-05-15 中海浙江宁波液化天然气有限公司 Precooling technique before low pressure LNG manifold for the second stage of tank car system fills

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004010044A1 (en) * 2002-07-23 2004-01-29 L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude Method and apparatus for the controlled feed of liquefied gas to liquefied gas containers
CN101805649A (en) * 2010-03-19 2010-08-18 哈尔滨深冷气体液化设备有限公司 Natural gas liquefaction process with lithium bromide precooling
CN103527924A (en) * 2013-04-26 2014-01-22 洛阳新奥华油燃气有限公司 Precooling method before unloading of LNG (Liquefied Natural Gas) tank wagon
CN203549372U (en) * 2013-10-21 2014-04-16 成都华气厚普机电设备股份有限公司 LNG (Liquefied Natural Gas) cylinder manifold filling device
CN108036194A (en) * 2017-10-20 2018-05-15 中海浙江宁波液化天然气有限公司 Precooling technique before low pressure LNG manifold for the second stage of tank car system fills

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
胡超等: "山东LNG接收站卸料总管液氮预冷方法", 《油气储运》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110057658A (en) * 2019-04-22 2019-07-26 龙源 The cooling device and method of half gas low temperature high-pressure metal pipe explosion bulge test of heavy caliber
CN110058618A (en) * 2019-05-06 2019-07-26 龙源 A kind of temperature accuracy control method for the experiment of half gas low temperature pipeline of heavy caliber
CN110145684A (en) * 2019-05-31 2019-08-20 中国空分工程有限公司 A kind of low-temperature storage tank chilldown system and forecooling method
CN110145684B (en) * 2019-05-31 2023-08-29 中国空分工程有限公司 Precooling system and precooling method for low-temperature storage tank
CN114688378A (en) * 2020-12-29 2022-07-01 连云港石化有限公司 Precooling system and precooling method for long-distance conveying pipeline
CN114688447A (en) * 2020-12-29 2022-07-01 连云港石化有限公司 Receiving system of long-distance large-diameter pipeline and start-up method thereof
CN114688447B (en) * 2020-12-29 2024-06-04 连云港石化有限公司 Receiving system of long-distance large-diameter pipeline and starting method thereof
CN112762353A (en) * 2021-02-01 2021-05-07 东华工程科技股份有限公司 LNG (liquefied Natural gas) conveying pipeline device and method for precooling by using BOG (boil off gas)
CN112762353B (en) * 2021-02-01 2024-06-04 东华工程科技股份有限公司 Device and method for precooling LNG (liquefied Natural gas) conveying pipeline by using BOG (boil off gas)
CN113124320A (en) * 2021-04-30 2021-07-16 西安航天动力研究所 Rapid precooling method for low-temperature medium pipeline system
CN113124320B (en) * 2021-04-30 2022-07-05 西安航天动力研究所 Rapid precooling method for low-temperature medium pipeline system

Similar Documents

Publication Publication Date Title
CN108980618A (en) A kind of chilldown system and method for LNG receiving station large diameter pipeline
CN207005706U (en) A kind of cold cabin gas displacement exhaust system of LNG carrier
CN103672392A (en) Barge for filling liquefied natural gas
CN104913196B (en) BOG (boil-off gas) treatment process and device under normal operation condition of LNG (liquefied natural gas) receiving station
CN105840983A (en) LNG skid-mounted fuel gas supply device
CN105179930A (en) Liquefied natural gas tank car unloading device of liquefied natural gas and compressed natural gas cooperative station and application
CN202082616U (en) Cold circulating system for ship unloading pipeline of LNG (Liquefied Natural Gas) receiving terminal
CN113357537B (en) Marine LNG filling system and operation method
JPWO2017183185A1 (en) Gas filling device
CN110173603A (en) A kind of pipeline and leakage collection system inhibited with leakage and dredge function
CN202629586U (en) Box type gas filling device for liquefied natural gas
CN113007594A (en) LNG (liquefied natural gas) supercooling filling system
US3256705A (en) Apparatus for and method of gas transportation
CN205447252U (en) Air entrainment system of LNG gas station
CN202733447U (en) Cooling system for ship unloading pipeline of liquefied natural gas receiving station
CN110762391A (en) System and method for reducing temperature and pressure of liquefied natural gas product in liquefied natural gas plant
EP3455545B1 (en) Gas storage and treatment installation
RU128915U1 (en) STORAGE OF GAS HELIUM
KR101699326B1 (en) System for treating boil-off gas for a ship
CN210511034U (en) CNG gas storage well CNG recovery system
CN218762707U (en) Single-parking-place CNG gas supply station uninterrupted gas supply and storage device
CN206504498U (en) LNG gasification cold energy refrigeration storage system
CN208204530U (en) LNG gas holder station BOG gas recycling device
CN220397261U (en) System for utilize BOG gas of retrieving to unload pressurization for LNG tank wagon
CN102767693B (en) Cooling system and method of unshipping pipeline of liquefied natural gas receiving station

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: 20181211