CN108758332A - A kind of LNG unloading units - Google Patents

A kind of LNG unloading units Download PDF

Info

Publication number
CN108758332A
CN108758332A CN201810610414.4A CN201810610414A CN108758332A CN 108758332 A CN108758332 A CN 108758332A CN 201810610414 A CN201810610414 A CN 201810610414A CN 108758332 A CN108758332 A CN 108758332A
Authority
CN
China
Prior art keywords
pipeline
lng
connect
tank
pass
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
CN201810610414.4A
Other languages
Chinese (zh)
Other versions
CN108758332B (en
Inventor
王淮北
王敏
吴海光
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.)
Bengbu Aipu Compressor Machinery Co Ltd
Original Assignee
Bengbu Aipu Compressor Machinery 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 Bengbu Aipu Compressor Machinery Co Ltd filed Critical Bengbu Aipu Compressor Machinery Co Ltd
Priority to CN201810610414.4A priority Critical patent/CN108758332B/en
Publication of CN108758332A publication Critical patent/CN108758332A/en
Application granted granted Critical
Publication of CN108758332B publication Critical patent/CN108758332B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02—Discharging liquefied gases
    • F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—Single phase gaseous, e.g. CNG, GNC

Landscapes

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

Abstract

The invention discloses a kind of LNG unloading units, including the first tank car interface, the second tank car interface and third tank car interface being correspondingly arranged, first liquid-phase outlet of LNG tank cars by first unload hose connect the first tank car interface, first tank car interface connects quick action emergency valve by third pipeline, quick action emergency valve by the 4th pipeline connect LNG storage tank into liquid interface；The BOG interfaces of LNG tank cars connect BOG heaters by the 5th pipeline, and BOG heaters connect the intake interface of natural gas storage tank by the 6th pipeline, and natural gas storage tank passes through feed channel of using by oneself in the 7th pipeline docking station.Advantages of the present invention：A kind of LNG unloading units provided by the present invention are unloaded using LNG in tank car from supercharging mode, and consume energy low, stabilization of unloading, and the BOG caused by supercharging in station after processing for using by oneself, safe and convenient.

Description

A kind of LNG unloading units
Technical field
It unloads technical field more particularly to a kind of LNG unloading units the present invention relates to LNG.
Background technology
LNG is English liquefied natural gas（liquefied natural gas）Abbreviation.Main component is methane.LNG without Color, tasteless, nontoxic and non-corrosive, volume is about the 1/600 of same amount gaseous natural gas volume.LNG and gasoline, diesel oil and pressure Contracting natural gas (CNG) is compared, and has the apparent advantages such as safe, economy is strong, negative environment effects are small, energy storage density is high. LNG is widely used in city bus, heavy truck and intercity bus as motor vehicle fuel, and matched LNG filling stations It synchronizes and is rapidly developed.Existing LNG filling stations, which are unloaded, fill and filled, all uses immersed pump, and there are investment and operations The of high cost, disadvantages such as reliability is low.And the BOG generated in station and in LNG tank cars cannot be efficiently used, and easy to produce wave Take.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of LNG unloading units proposed.
To achieve the goals above, present invention employs following technical solutions：
A kind of LNG unloading units, it is characterised in that：Including the first tank car interface, the second tank car interface and third being correspondingly arranged Tank car interface, the second liquid phase that the second tank car interface unloads hose connection LNG tank cars by second export, and the second tank car interface is logical First pipe connection boosting vaporizer is crossed, boosting vaporizer connects third tank car interface, third tank car interface by second pipe The gas phase entrances of LNG tank cars is connected by third hose of unloading, and the first liquid-phase outlet of LNG tank cars is connected by the first hose of unloading The first tank car interface is connect, the first tank car interface connects quick action emergency valve by third pipeline, and quick action emergency valve passes through the 4th pipeline Connect LNG storage tank into liquid interface；
The BOG interfaces of LNG tank cars connect BOG heaters by the 5th pipeline, motor-driven valve are additionally provided on the 5th pipeline, BOG adds Hot device connects the intake interface of natural gas storage tank by the 6th pipeline, and natural gas storage tank passes through gas of using by oneself in the 7th pipeline docking station The BOG interfaces of pipeline, the LNG storage tank are also connected by the 8th pipeline with the 5th pipeline.
Preferably, the EAG interfaces of the LNG storage tank connect low-temperature safety valve by low temperature blow-down pipe, and low-temperature safety valve is logical The 9th pipeline connection EAG heaters are crossed, EAG heaters connect spark arrester by the tenth pipeline, and spark arrester passes through the 11st pipeline Connection emptying tower.
Preferably, the vent of the BOG interfaces of the LNG storage tank, natural gas storage tank is connected often by room temperature blow-down pipe Warm safety valve, room temperature safety valve are connected by the 12nd pipeline with the tenth pipeline.
Preferably, in the first pipe, second pipe, third pipeline, the 4th pipeline, the 5th pipeline, the 6th pipeline, Seven pipelines, the 8th pipeline, the 9th pipeline, the tenth pipeline, the 11st pipe ends are all provided with there are one corresponding control valve.
The advantage of the invention is that：A kind of LNG unloading units provided by the present invention are using LNG in tank car from supercharging mode It unloads, consume energy low, stabilization of unloading, and the BOG caused by supercharging in station after processing for using by oneself, safe and convenient.
Description of the drawings
Fig. 1 is a kind of basic structure schematic diagram of LNG unloading units provided by the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
As shown in Figure 1, a kind of LNG unloading units provided by the invention, it is characterised in that：Including the first slot being correspondingly arranged Vehicle interface 1, the second tank car interface 2 and third tank car interface 3, the first tank car interface 1, the second tank car interface 2 and third tank car connect Mouth 3 passes through corresponding hose and connects LNG tank cars 14.Second tank car interface 2 by second unload hose 1.2 connect LNG tank cars 14 second liquid phase outlet, the second tank car interface 2 connect boosting vaporizer 4 by first pipe 21, and boosting vaporizer 4 passes through the Two pipelines 22 connect third tank car interface 3, and third tank car interface 3 connects the gas phases of LNG tank cars 14 by third hose 1.3 of unloading Entrance.LNG in LNG storage tank 5 is again introduced into after being gasified by boosting vaporizer 4 in LNG tank cars 14, is caused in LNG tank cars 14 Pressure rise.
First liquid-phase outlet of LNG tank cars 14 by first unload hose 1.1 connect the first tank car interface 1, the first tank car Interface 1 connects quick action emergency valve 12 by third pipeline 23, and quick action emergency valve 12 connects LNG storage tank 5 by the 4th pipeline 24 Into liquid interface.Pressure in the LNG tank cars 14 is more than the pressure in LNG storage tank 5, and the LNG in LNG tank cars 14 passes through third pipe Road 23 and the 4th pipeline 24 enter in LNG storage tank 5.Quick action emergency valve 12 is used for emergency cut-off.
The BOG interfaces of LNG tank cars 14 connect BOG heaters 7 by the 5th pipeline 25, and electricity is additionally provided on the 5th pipeline 25 Dynamic valve 13.When unloading, motor-driven valve 13 is closed, and motor-driven valve 13 is opened after unloading, and the BOG in LNG tank cars 14 is defeated after processing To natural gas storage tank 6.BOG heaters 7 connect the intake interface of natural gas storage tank 6 by the 6th pipeline 26, and natural gas storage tank 6 is logical Cross feed channel 10 of using by oneself in 27 docking station of the 7th pipeline, the BOG interfaces of the LNG storage tank 5 also by the 8th pipeline 28 with it is described 5th pipeline 25 is connected.
The EAG interfaces of the LNG storage tank 5 connect low-temperature safety valve 15 by low temperature blow-down pipe 41, and low-temperature safety valve 15 is logical Cross the 9th pipeline 29 connection EAG heaters 8, EAG heaters 8 connect spark arrester 9 by the tenth pipeline 30, and spark arrester 9 passes through the 11 pipelines 31 connection emptying tower 11.
The vent of the BOG interfaces of the LNG storage tank 5, natural gas storage tank 6 connects room temperature peace by room temperature blow-down pipe 42 Full valve 16, room temperature safety valve 16 are connected by the 12nd pipeline 32 with the tenth pipeline 30.
In the first pipe 21, second pipe 22, third pipeline 23, the 4th pipeline 24, the 5th pipeline 25, the 6th pipeline 26, the 7th pipeline 27, the 8th pipeline 28, the 9th pipeline 29, the tenth pipeline 30,31 both ends of the 11st pipeline are all provided with that there are one corresponding Control valve.

Claims (4)

1. a kind of LNG unloading units, it is characterised in that：Including the first tank car interface being correspondingly arranged（1）, the second tank car interface （2）With third tank car interface（3）, the second tank car interface（2）It unloads hose by second（1.2）Connect LNG tank cars（14）? Two liquid-phase outlets, the second tank car interface（2）Pass through first pipe（21）Connect boosting vaporizer（4）, boosting vaporizer（4）Pass through Second pipe（22）Connect third tank car interface（3）, third tank car interface（3）It is unloaded hose by third（1.3）Connect LNG slots Vehicle（14）Gas phase entrance, LNG tank cars（14）The first liquid-phase outlet unload hose by first（1.1）The first tank car is connected to connect Mouthful（1）, the first tank car interface（1）Pass through third pipeline（23）Connect quick action emergency valve（12）, quick action emergency valve（12）Pass through Four pipelines（24）Connect LNG storage tank（5）Into liquid interface；
LNG tank cars（14）BOG interfaces pass through the 5th pipeline（25）Connect BOG heaters（7）, in the 5th pipeline（25）On also set There is motor-driven valve（13）, BOG heaters（7）Pass through the 6th pipeline（26）Connect natural gas storage tank（6）Intake interface, natural gas storage Tank（6）Pass through the 7th pipeline（27）Personal feed channel in docking station（10）, the LNG storage tank（5）BOG interfaces also pass through the 8th Pipeline（28）With the 5th pipeline（25）It is connected.
2. a kind of LNG unloading units according to claim 1, it is characterised in that：The LNG storage tank（5）EAG interfaces it is logical Cross low temperature blow-down pipe（41）Connect low-temperature safety valve（15）, low-temperature safety valve（15）Pass through the 9th pipeline（29）Connect EAG heating Device（8）, EAG heaters（8）Pass through the tenth pipeline（30）Connect spark arrester（9）, spark arrester（9）Pass through the 11st pipeline（31）Even Connect emptying tower（11）.
3. a kind of LNG unloading units according to claim 1, it is characterised in that：The LNG storage tank（5）BOG interfaces, Natural gas storage tank（6）Vent pass through room temperature blow-down pipe（42）Connect room temperature safety valve（16）, room temperature safety valve（16）It is logical Cross the 12nd pipeline（32）With the tenth pipeline（30）It is connected.
4. a kind of LNG unloading units according to claim 1,2 or 3, it is characterised in that：In the first pipe（21）, Second pipe（22）, third pipeline（23）, the 4th pipeline（24）, the 5th pipeline（25）, the 6th pipeline（26）, the 7th pipeline （27）, the 8th pipeline（28）, the 9th pipeline（29）, the tenth pipeline（30）, the 11st pipeline（31）Both ends are all provided with that there are one corresponding Control valve.
CN201810610414.4A 2018-06-14 2018-06-14 LNG device of unloading Active CN108758332B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810610414.4A CN108758332B (en) 2018-06-14 2018-06-14 LNG device of unloading

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810610414.4A CN108758332B (en) 2018-06-14 2018-06-14 LNG device of unloading

Publications (2)

Publication Number Publication Date
CN108758332A true CN108758332A (en) 2018-11-06
CN108758332B CN108758332B (en) 2020-05-22

Family

ID=64021630

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810610414.4A Active CN108758332B (en) 2018-06-14 2018-06-14 LNG device of unloading

Country Status (1)

Country Link
CN (1) CN108758332B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114294558A (en) * 2021-12-21 2022-04-08 广东华南特种气体研究所有限公司 Emergent emptying devices of LNG tank wagon

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5127230A (en) * 1991-05-17 1992-07-07 Minnesota Valley Engineering, Inc. LNG delivery system for gas powered vehicles
WO2004020287A1 (en) * 2002-08-30 2004-03-11 Chart Inc. Liquid and compressed natural gas dispensing system
EP1712831A1 (en) * 2003-12-22 2006-10-18 Ros Roca Indox Equipos E Ingenieria, S.L. Mobile lng regasification plant
CN205372069U (en) * 2016-01-15 2016-07-06 欧星(天津)新能源科技有限公司 Novel integrated low -temperature liquid storage tank air feed device
CN205781983U (en) * 2016-06-05 2016-12-07 北京中嘉能燃气科技有限公司 A kind of emergent LNG vaporization voltage-regulating system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5127230A (en) * 1991-05-17 1992-07-07 Minnesota Valley Engineering, Inc. LNG delivery system for gas powered vehicles
WO2004020287A1 (en) * 2002-08-30 2004-03-11 Chart Inc. Liquid and compressed natural gas dispensing system
EP1712831A1 (en) * 2003-12-22 2006-10-18 Ros Roca Indox Equipos E Ingenieria, S.L. Mobile lng regasification plant
CN205372069U (en) * 2016-01-15 2016-07-06 欧星(天津)新能源科技有限公司 Novel integrated low -temperature liquid storage tank air feed device
CN205781983U (en) * 2016-06-05 2016-12-07 北京中嘉能燃气科技有限公司 A kind of emergent LNG vaporization voltage-regulating system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114294558A (en) * 2021-12-21 2022-04-08 广东华南特种气体研究所有限公司 Emergent emptying devices of LNG tank wagon
CN114294558B (en) * 2021-12-21 2023-11-21 广东华南特种气体研究所有限公司 Emergent evacuation equipment of LNG tank wagon

Also Published As

Publication number Publication date
CN108758332B (en) 2020-05-22

Similar Documents

Publication Publication Date Title
DE102008034221A1 (en) Fuel supply device for use in motor vehicle, has reactor vessel provided for executing heat exchanger and separator functions for supplying hydrogen for consumer through dehydration of carrier medium e.g. liquid organic hydrogen carrier
CN202252834U (en) Wharf boat LNG (liquefied natural gas) filling station
CN108533950A (en) A kind of LNG gasification recompression device
CN104696186A (en) Pressure boosting unit provided with LNG (liquefied natural gas) pumps connected in parallel
CN108758332A (en) A kind of LNG unloading units
CN109339981A (en) A kind of pressure charging system of the cold helium of carrier rocket kerosene case
CN102494244B (en) Pontoon LNG aeration device and operation method thereof
CN210149505U (en) Natural gas supply system and aerodynamic ship
CN108799829A (en) A kind of LNG gasification device
CN208620055U (en) A kind of LNG gasification recompression device
CN107906362A (en) A kind of LNG gasification system
CN212537494U (en) Discharging pressure regulating system applied to hydrogen storage type hydrogen adding station
CN107339604A (en) LNG loading systems and LNG filling ships
DE102016222935B4 (en) Fuel cell device, motor vehicle with a fuel cell device and method for operating a fuel cell device
CN217843508U (en) Liquid hydrogen pressurization system and vehicle
CN204387673U (en) LNG skid gas station
CN108716615A (en) A kind of gasification installation for LNG
CN107339605A (en) LNG loading systems and LNG filling ships
CN206290966U (en) Removable bank base formula LNG loading systems
US20070283623A1 (en) Compartmentalized Hydrogen Fueling System
CN115523418A (en) High-vacuum multilayer heat-insulation liquid hydrogen storage tank system
Peschka Operating characteristics of a LH2-fuelled automotive vehicle and of a semi-automatic LH2-refuelling station
CN212298519U (en) Supercharging device for LNG vehicle-mounted gas cylinder
JP4384773B2 (en) Hydrogen supply system for equipment using hydrogen as fuel
CN207811250U (en) One kind can utilize the unpowered refueling device of pipeline pressure

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
GR01 Patent grant
GR01 Patent grant