CN106195622A - Novel LNG tank car unloading pump skid is put - Google Patents
Novel LNG tank car unloading pump skid is put Download PDFInfo
- Publication number
- CN106195622A CN106195622A CN201610785964.0A CN201610785964A CN106195622A CN 106195622 A CN106195622 A CN 106195622A CN 201610785964 A CN201610785964 A CN 201610785964A CN 106195622 A CN106195622 A CN 106195622A
- Authority
- CN
- China
- Prior art keywords
- lng
- tank car
- liquid phase
- pipeline
- pump
- 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
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
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- 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
-
- 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
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- 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
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0335—Check-valves or non-return valves
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention discloses a kind of novel LNG tank car unloading pump skid and puts, the LNG centrifugal pump that including pedestal, is located on described pedestal, supercharger, instrument operation case and explosive operation post and torr are located on described pedestal on the spot gas phase pipeline, the first liquid phase pipeline, second liquid phase pipeline, EAG road, instrument nitrogen pipeline and drain pipe road；The liquid phase inlet of described supercharger is connected by described first liquid phase pipeline with the liquid phase mouth of tank car, its gaseous phase outlet is connected by gas phase pipeline with the gas phase mouth of tank car, the import of described LNG centrifugal pump is connected with tank car liquid phase mouth by second liquid phase pipeline, and its outlet is connected with LNG fluid reservoir import by pipeline.LNG tank car unloading pump skid of the present invention is put efficiency of unloading and is unloaded than traditional supercharging of gasifier without pump and low discharge immersed pump is unloaded and improve the novel LNG centrifugal pump of 3.0～4.0 times and unload skid process unit, thus improve unloading and filling efficiency of various LNG application station, greatly reduce the operating cost at various LNG application station.
Description
Technical field
The present invention relates to a kind of LNG(liquefied natural gas) device that tank car is unloaded, unloads particularly to a kind of novel LNG tank car
Car pump skid is put, and belongs to LNG gasification station, LNG lays in peak regulation station equipment design and manufacturing technology field.
Background technology
According to statistics, urban atmosphere pool environment pollutes 80% from boiler fired coal and the tail gas of motor vehicles.Test data show:
Steam coal changes natural gas, and after bus uses LNG fuel, the atmospheric pollution that tail gas comprehensive discharge causes can decline more than 80%.
Promote steam coal and change natural gas supporting LNG gasification station, development LNG automobile, construction LNG Vehicle Fueling Station and steam coal
Changing gas LNG gasification station and LNG peak regulation deposit station is the effective behave administering atmosphere quality, and steam coal changes gas and LNG
The development of automobile greatly facilitates atmosphere quality and improves.
LNG gasification station and LNG filling station, station, LNG peak regulation deposit station capital equipment have: LNG basin, LNG centrifugal pump, unload
Car gasification pressure regulation metering adds the equipment such as smelly sled, EAG Yu BOG heater and pipeline composition.Wherein most LNG gasification station and LNG
Filling station all uses the LNG immersed pump that LNG tank car is unloaded from supercharging and small part uses flow to be 340L/h to unload, and flow is little,
Unload inefficient, typical time about 3～4 hours again.BOG that is longer from supercharging time of unloading without pump, that produce in causing station
More, the operating cost substantially increasing LNG gasification station and gas station and the operational efficiency reducing in station, do not reach and initially build
Economic benefit expected from standing.
Summary of the invention
The present invention is directed to unload without pump gasifier supercharging for existing LNG tank car and car carries pump and unloads present in technology
Defect and deficiency, it is provided that the novel LNG tank car unloading pump skid of a kind of highly effective and safe is put.
For achieving the above object, the technical solution adopted in the present invention is: a kind of novel LNG tank car unloading pump skid is put,
The LNG centrifugal pump, supercharger, the instrument operation case that including pedestal, are located on described pedestal and explosive operation post and torr set on the spot
Gas phase pipeline, the first liquid phase pipeline, second liquid phase pipeline, EAG road, instrument nitrogen pipeline and drain pipe on described pedestal
Road；The liquid phase inlet of described supercharger is connected by described first liquid phase pipeline with the liquid phase mouth of tank car, its gaseous phase outlet with
The gas phase mouth of tank car is connected by gas phase pipeline, and the import of described LNG centrifugal pump is by second liquid phase pipeline and tank car liquid phase mouth
Being connected, its outlet is connected with LNG fluid reservoir import by pipeline.
Preferably, described LNG centrifugal pump uses the totally-enclosed centrifugal pump without closed type of LNG.
Further, described LNG outlet of centrifugal pump and inlet ductwork are equipped with safety interlocking protection device, described peace
Pressure transmitter that full interlock protection device includes being respectively provided in LNG outlet of centrifugal pump and inlet ductwork, temperature transmitter and
Quick action emergency valve.
Further, described pedestal is provided with gas leakage audible-visual annunciator.
Further, the first described liquid phase pipeline is divided into the first liquid phase pipeline I, II, described first liquid by three-way valve
It is equipped with valve on phase pipeline I, II.
Further, described gas phase pipeline is divided into gas phase pipeline I, II by three-way valve, on described gas phase pipeline I, II
It is equipped with valve.
Further, described second liquid phase pipeline is divided into second liquid phase pipeline I, II, described second liquid by three-way valve
It is equipped with valve on phase pipeline I, II.
The technical scheme that above-mentioned novel LNG tank car unloading pump skid is put also includes anti electrostatic grounding device and anti-lightning strike ground connection
Device, base bottom at least two place is provided with described anti electrostatic grounding device and lightning protection earthing device.
The invention has the beneficial effects as follows: 1, LNG tank car unloading pump skid of the present invention is put and is centrifuged without closed type by LNG is totally-enclosed
Pump, horizontal supercharger of unloading, LNG unload liquid phase, gas phase, supercharging liquid phase pipeline (cryogenic pipe and valve instrument), electric instrument control
Terminal box, explosive operation post etc., compact conformation, equipment, pipeline and control instrument high concentration, stable efficiently, safety can
Lean on；This device i.e. contain containing two-way liquid phase pipeline and individual unloads parking stall, can independently unload by a LNG tank car, it is also possible to two LNG
Tank car is unloaded simultaneously, and work efficiency is high.
2, LNG tank car unloading pump skid of the present invention is put efficiency of unloading and is unloaded and low discharge than traditional supercharging of gasifier without pump
Immersed pump is unloaded and is improve the novel LNG centrifugal pump of 3.0～4.0 times and unload skid process unit, thus improves various LNG
Unloading and filling efficiency of application station, greatly reduces the operating cost at various LNG application station, the work at station, LNG application terminal
Efficiency and remarkable in economical benefits improve.
3, LNG tank car unloading pump skid of the present invention put solve LNG transport tank car carry unloading pump design safety problem；
And the LNG tank car unloading pump skid degree of setting high of the present invention is integrated with LNG centrifugal pump, gas, liquid unloads arm, low temp. control valve door,
Instrument and pump unload the functions such as frequency control and the safety interlocking control of vehicle motor；For promoting present stage boiler " coal changes gas " and state
The popularization at station, inside and outside LNG application terminal, improves atmosphere quality, energy-saving and emission-reduction, promotes holding of China's urban economy construction
Positive contribution is made in supervention exhibition.
Accompanying drawing explanation
Fig. 1 is the schematic three dimensional views that LNG tank car unloading pump skid of the present invention is put；
Fig. 2 is the structural representation that LNG tank car unloading pump skid of the present invention is put；
Fig. 3 is the process chart that the LNG tank car unloading pump skid of this valve is put.
Label in figure, 1, anti-explosion terminal box, 2, LNG centrifugal pump, 3, explosion-proof wiring terminal box, 4, instrument operation case, 5, pump
Sled liquid outlet, 6, supercharger, 7, pedestal, the 8, first liquid phase pipeline I, 9, second liquid phase pipeline II, 10, gas phase pipeline II, 11, gas
Phase pipeline I, 12, EAG pipeline, 13, instrument nitrogen pipeline, 14, second liquid phase pipeline I, 15, second liquid phase pipeline II, 16, combustion gas
Leakage audible-visual annunciator, 17, on the spot explosive operation post.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the present invention is described in further detail by detailed description of the invention:
Embodiment 1: seeing Fig. 1 and 2, a kind of novel LNG tank car unloading pump skid is put, and including pedestal 7, is located on described pedestal 7
LNG centrifugal pump 2, supercharger 6, instrument operation case and explosive operation post 16 and the gas phase pipe that is located on described pedestal of torr on the spot
Road, the first liquid phase pipeline, second liquid phase pipeline, EAG road 12, instrument air pipeline 13 and drain pipe road 5；Described supercharger 6
Liquid phase inlet is connected by described first liquid phase pipeline with the liquid phase mouth of tank car, and its gaseous phase outlet passes through with the gas phase mouth of tank car
Gas phase pipeline is connected, and the import of described LNG centrifugal pump is connected with tank car liquid phase mouth by second liquid phase pipeline, and its outlet is by pipe
Road is connected with LNG fluid reservoir import.Described LNG centrifugal pump uses the totally-enclosed centrifugal pump without closed type of LNG, totally-enclosed without closed type
The ability that centrifugal pump does not leaks when having long-term idle rear use suddenly, or the long-time energy used or do not leak during cold standby
Power, unloading pump and have good self-lubricating and sealing property, the flow-control of pump is passed through from minimum discharge to maximum stream flow
Pump frequency conversion motor and converter can realize smooth change regulation, and without arranging cold insulation pump tank outside pump.
In order to improve the safety of the present invention, described LNG outlet of centrifugal pump and inlet ductwork are equipped with safety interlocking
Protection device, described safety interlocking protection device includes the pressure inverting being respectively provided in LNG outlet of centrifugal pump and inlet ductwork
Device, temperature transmitter and quick action emergency valve.Described safety interlocking protection device has a following function:
1, LNG tank car unloading pump sled startup system has automatically and manually function (controlling on the spot and far), only needs one and orders
Complete opening program；
2, LNG tank car unloading pump sled stop sign (controlling on the spot and far) can make pump be automatically switched off safely, to realize pump assembly
Automatic protection.Pump sled can on the spot, remote control open/stop, no matter which kind of state is pump sled duty be in, and " stopping " controls the most preferential
's；
3, LNG tank car unloading pump pry has gas leakage sound and light alarm chain；
4, LNG tank car unloading pump sled explosive operation post has startup and emergency stop push button on the spot, and LNG centrifugal pump converter
Operational factor display instrument etc..
Described explosive operation post on the spot 17 is centrifuged unloading pump for LNG and opens on the spot and stop and the instrument such as pump frequency conversion device display numerical value
Control box.Described pedestal is provided with gas leakage audible-visual annunciator.
The first described liquid phase pipeline is divided into the first liquid phase pipeline I, II by three-way valve, and described first liquid phase pipeline I is certainly
Tank car liquid phase mouth one end is risen and is sequentially provided with purging displacement cryogenic globe valve V01E, cryogenic globe valve V17 and low temperature check-valves V18；
From tank car liquid phase mouth one end, purging displacement cryogenic globe valve V01F, low temperature cut-off it is sequentially provided with on described first liquid phase pipeline II
Valve V19 and low temperature check-valves V20.
Described gas phase pipeline is divided into gas phase pipeline I, II, gas phase pipeline I automatic pressure intensifier gaseous phase outlet end by three-way valve
Rise and be sequentially provided with cryogenic globe valve V21, temperature transmitter TE02, cryogenic globe valve V02C and purging displacement cryogenic globe valve
V01C；Gas phase pipeline I automatic pressure intensifier gaseous phase outlet end rises and is sequentially provided with cryogenic globe valve V22, temperature transmitter TE03, low temperature cut
Only valve V02D and purging displacement cryogenic globe valve V01D, between described supercharger gaseous phase outlet end and cryogenic globe valve V21, V22
Gas phase pipeline on be additionally provided with low-temperature safety valve PSV06 and cryogenic globe valve V04F, V05F, V06F.
Described EAG pipeline is provided with stop valve V24 and spark arrester FA01；Described instrument nitrogen pipeline is provided with relies on oneself
Formula air relief valve and PV01 stop valve V23.
The drain pipe road of described LNG outlet of centrifugal pump is provided with cryogenic globe valve V11, and low temperature check-valves V12, low temperature are tight
Anxious stop valve XV02, pressure transmitter PT02, temperature transmitter TE01, low-temperature safety valve.
The process chart that the present invention novel LNG tank car unloading pump skid is put is as shown in Figure 3: wherein, and PSV01 ~ 06 represents
Low-temperature safety valve, AT01, AT 02 represents gas leakage audible-visual annunciator, RG01A, RG 01b, RG 02A, RG 02b, RG
03A, RG 03b represents special high-vacuum insulation stainless steel tube of unloading, and V01A ~ V01F represents purging displacement cryogenic globe valve, V04A
~ V04F, V05A ~ V05F, V06A ~ V06F represent that cryogenic globe valve, TE01 ~ TE03 represent temperature transmitter, and XV01 ~ 03 represents low
Temperature quick action emergency valve.
Embodiment 2: embodiment 2 is essentially identical with embodiment 1 structure, and something in common does not repeats, except for the difference that: in order to enter one
Step improves the safety of present invention work, and bottom described pedestal 7, at least two places are provided with anti electrostatic grounding device and anti-lightning strike connect
Ground device.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention implements not by aforesaid way
Restriction, as long as have employed the method design of the present invention and the improvement of various unsubstantialities that technical scheme is carried out, or without changing
Enter and design and the technical scheme of the present invention are directly applied to other occasion, all within protection scope of the present invention.
Claims (8)
1. a novel LNG tank car unloading pump skid is put, it is characterised in that: the LNG include pedestal, being located on described pedestal is centrifuged
Pump, supercharger, instrument operation case and explosive operation post and torr are located on described pedestal on the spot gas phase pipeline, the first liquid-phase tube
Road, second liquid phase pipeline, EAG road, instrument nitrogen pipeline and drain pipe road；The liquid phase inlet of described supercharger and the liquid of tank car
Mouth is connected by described first liquid phase pipeline mutually, and its gaseous phase outlet is connected by gas phase pipeline with the gas phase mouth of tank car, described LNG
The import of centrifugal pump is connected with tank car liquid phase mouth by second liquid phase pipeline, and its outlet is by pipeline and LNG fluid reservoir import phase
Even.
Novel LNG tank car unloading pump skid the most according to claim 1 is put, it is characterised in that: described LNG centrifugal pump is adopted
With the totally-enclosed centrifugal pump without closed type of LNG.
Novel LNG tank car unloading pump skid the most according to claim 1 and 2 is put, it is characterised in that: described LNG is centrifuged
Being equipped with safety interlocking protection device on pump discharge and inlet ductwork, described safety interlocking protection device includes being respectively provided at LNG
Pressure transmitter, temperature transmitter and quick action emergency valve on outlet of centrifugal pump and inlet ductwork.
Novel LNG tank car unloading pump skid the most according to claim 1 is put, it is characterised in that: described pedestal is provided with
Gas leakage audible-visual annunciator.
Novel LNG tank car unloading pump skid the most according to claim 1 is put, it is characterised in that: the first described liquid-phase tube
Road is divided into the first liquid phase pipeline I, II by three-way valve, and described first liquid phase pipeline I, II is equipped with valve.
Novel LNG tank car unloading pump skid the most according to claim 1 is put, it is characterised in that: described gas phase pipeline leads to
Cross three-way valve and be divided into gas phase pipeline I, II, described gas phase pipeline I, II is equipped with valve.
Novel LNG tank car unloading pump skid the most according to claim 1 is put, it is characterised in that: described second liquid phase pipe
Road is divided into second liquid phase pipeline I, II by three-way valve, and described second liquid phase pipeline I, II is equipped with valve.
8. put according to the novel LNG tank car unloading pump skid described in claim 1 ~ 7 any one claim, it is characterised in that:
Also include anti electrostatic grounding device and lightning protection earthing device, base bottom at least two place be provided with described anti electrostatic grounding device and
Lightning protection earthing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785964.0A CN106195622A (en) | 2016-08-31 | 2016-08-31 | Novel LNG tank car unloading pump skid is put |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785964.0A CN106195622A (en) | 2016-08-31 | 2016-08-31 | Novel LNG tank car unloading pump skid is put |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106195622A true CN106195622A (en) | 2016-12-07 |
Family
ID=58085648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610785964.0A Pending CN106195622A (en) | 2016-08-31 | 2016-08-31 | Novel LNG tank car unloading pump skid is put |
Country Status (1)
| Country | Link |
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| CN (1) | CN106195622A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838606A (en) * | 2017-03-06 | 2017-06-13 | 港华投资有限公司 | A kind of modularization, standardized small-sized LNG gasification station and its method for designing |
| CN107327699A (en) * | 2017-08-12 | 2017-11-07 | 连云港市拓普科技发展有限公司 | Intelligent integral packaged type LNG unloads sled |
| CN108679450A (en) * | 2018-08-27 | 2018-10-19 | 中海油天津液化天然气有限责任公司 | A kind of LNG tank cars safety interlock system |
| CN108916645A (en) * | 2018-09-11 | 2018-11-30 | 江苏秋林特能装备股份有限公司 | The lossless fueling station of cryogenic liquid |
| CN109654371A (en) * | 2019-01-31 | 2019-04-19 | 陕西融科低温设备有限公司 | A kind of intelligence super-low liquid unloading unit and processand |
| CN109707999A (en) * | 2019-01-31 | 2019-05-03 | 陕西融科低温设备有限公司 | A kind of multi-arm intelligence super-low liquid unloading unit and processand |
| CN110503871A (en) * | 2019-08-08 | 2019-11-26 | 湖北三江航天江北机械工程有限公司 | LNG double-purpose, which is unloaded, is pressurized the method for fast mfg of sled |
| CN112503387A (en) * | 2020-10-14 | 2021-03-16 | 佛山市高明燃气有限公司 | Tank depressurization method |
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| US20150020918A1 (en) * | 2013-07-19 | 2015-01-22 | Catalytic Industrial Group, Inc. | Apparatus for unloading cng from storage vessels |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838606A (en) * | 2017-03-06 | 2017-06-13 | 港华投资有限公司 | A kind of modularization, standardized small-sized LNG gasification station and its method for designing |
| CN107327699A (en) * | 2017-08-12 | 2017-11-07 | 连云港市拓普科技发展有限公司 | Intelligent integral packaged type LNG unloads sled |
| CN107327699B (en) * | 2017-08-12 | 2023-08-29 | 连云港市拓普科技发展有限公司 | Intelligent integrated movable LNG unloading sled |
| CN108679450A (en) * | 2018-08-27 | 2018-10-19 | 中海油天津液化天然气有限责任公司 | A kind of LNG tank cars safety interlock system |
| CN108679450B (en) * | 2018-08-27 | 2024-03-19 | 中海油天津液化天然气有限责任公司 | LNG tank wagon safety interlocking system |
| CN108916645A (en) * | 2018-09-11 | 2018-11-30 | 江苏秋林特能装备股份有限公司 | The lossless fueling station of cryogenic liquid |
| CN109654371B (en) * | 2019-01-31 | 2023-06-16 | 陕西融科低温设备有限公司 | Intelligent ultralow-temperature liquid unloading device and unloading process |
| CN109707999A (en) * | 2019-01-31 | 2019-05-03 | 陕西融科低温设备有限公司 | A kind of multi-arm intelligence super-low liquid unloading unit and processand |
| CN109707999B (en) * | 2019-01-31 | 2023-10-31 | 陕西融科低温设备有限公司 | Multi-arm intelligent ultralow-temperature liquid unloading device and unloading process |
| CN109654371A (en) * | 2019-01-31 | 2019-04-19 | 陕西融科低温设备有限公司 | A kind of intelligence super-low liquid unloading unit and processand |
| CN110503871B (en) * | 2019-08-08 | 2021-08-10 | 湖北三江航天江北机械工程有限公司 | Rapid manufacturing method of LNG dual-purpose unloading pressurizing pry |
| CN110503871A (en) * | 2019-08-08 | 2019-11-26 | 湖北三江航天江北机械工程有限公司 | LNG double-purpose, which is unloaded, is pressurized the method for fast mfg of sled |
| CN112503387A (en) * | 2020-10-14 | 2021-03-16 | 佛山市高明燃气有限公司 | Tank depressurization method |
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Application publication date: 20161207 |