CN204554355U - A kind of recovering device for LNG storage and transportation apparatus overpressure relief - Google Patents

A kind of recovering device for LNG storage and transportation apparatus overpressure relief Download PDF

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Publication number
CN204554355U
CN204554355U CN201520077589.5U CN201520077589U CN204554355U CN 204554355 U CN204554355 U CN 204554355U CN 201520077589 U CN201520077589 U CN 201520077589U CN 204554355 U CN204554355 U CN 204554355U
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CN
China
Prior art keywords
transportation apparatus
lng
lng storage
gas cylinder
ang
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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.)
Expired - Fee Related
Application number
CN201520077589.5U
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Chinese (zh)
Inventor
张宏
杨忠
廖玲
陆盼望
高卫
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Sinoma Science and Technology Suzhou Co Ltd
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Sinoma Science and Technology Suzhou Co Ltd
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Priority to CN201520077589.5U priority Critical patent/CN204554355U/en
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Publication of CN204554355U publication Critical patent/CN204554355U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of recovering device for LNG storage and transportation apparatus overpressure relief, comprise LNG storage and transportation apparatus, the output terminal of LNG storage and transportation apparatus is connected with the input end of LNG liquid valve, the output terminal of LNG liquid valve is connected with storing unit, the output terminal of releasing of LNG storage and transportation apparatus is connected with the input end of LNG safety valve, the output terminal of LNG safety valve is connected with the input end of ANG gas cylinder inlet one-way valve, the output terminal of ANG gas cylinder inlet one-way valve is communicated on ANG gas cylinder, and ANG gas cylinder is provided with delivery outlet.The utility model can be reclaimed needing in LNG storage and transportation apparatus the rock gas of releasing by ANG gas cylinder, can play the object of saving, and reduces environmental pollution.

Description

A kind of recovering device for LNG storage and transportation apparatus overpressure relief
Technical field
The utility model relates to a kind of recovering device, particularly relates to a kind of recovering device for LNG storage and transportation apparatus overpressure relief.
Background technique
In recent years, due to the policy requirements of energy-saving and emission-reduction, rock gas, as a kind of clean fuel (LNG/CNG), is more and more applied on various replacement of fuel.Wherein LNG Liquefied natural gas (LNG) due to its energy density high, application prospect is more wide.LNG storage and transportation apparatus is vacuum and low temperature heat insulating construction, and external heat can inevitably be passed in liquid container, causes LNG naturally to vaporize, and overpressure rises.In order to protect container not destroyed by overvoltage, generally all safety relief device is set on liquid container.LNG liquid container safety relief device is traditionally arranged to be safety valve.After the rising of tank internal pressure reaches the Set pressure of safety valve, exhaust opened by safety valve, thus protection container is by Keep Clear-High Voltage.Current arrange, safety valve end pipeline is directly discharged in air, and this causes the pollution to air.
Summary of the invention
The purpose of this utility model is the deficiency overcoming prior art existence, provides a kind of recovering device for LNG storage and transportation apparatus overpressure relief, can reduce environmental pollution, plays the object of saving reuse simultaneously.
The purpose of this utility model is achieved through the following technical solutions:
A kind of recovering device for LNG storage and transportation apparatus overpressure relief, comprise LNG storage and transportation apparatus, it is characterized in that: the output terminal of described LNG storage and transportation apparatus is connected with the input end of LNG liquid valve, the output terminal of described LNG liquid valve is connected with using end, the output terminal of releasing of described LNG storage and transportation apparatus is connected with the input end of LNG safety valve, the output terminal of described LNG safety valve is connected with the input end of ANG gas cylinder inlet one-way valve, the output terminal of described ANG gas cylinder inlet one-way valve is communicated on ANG gas cylinder, and described ANG gas cylinder is provided with delivery outlet.
Preferably, the delivery outlet of described ANG gas cylinder is provided with ANG cylinder outlet one-way valve.
Preferably, described LNG storage and transportation apparatus is plugged with level meter.
Preferably, the input end of described LNG storage and transportation apparatus is provided with LNG liquid feed valve.
Preferably, described LNG storage and transportation apparatus is also plugged with the first pressure gauge.
Preferably, ANG sorbent is filled with in described ANG gas cylinder.
Preferably, described ANG gas cylinder is plugged with the second pressure gauge.
Substantive distinguishing features and the progress of technical solutions of the utility model are mainly reflected in:
The utility model can be reclaimed needing in LNG storage and transportation apparatus the rock gas of releasing by ANG gas cylinder, can play the object of saving, and reduces environmental pollution.ANG gas cylinder can realize utilizing the gas in ANG gas cylinder by ANG one-way valve simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Fig. 1: organigram of the present utility model.
Embodiment
As shown in Figure 1, a kind of recovering device for LNG storage and transportation apparatus overpressure relief, comprise LNG storage and transportation apparatus 4, the output terminal of described LNG storage and transportation apparatus 4 is connected with the input end of LNG liquid valve 11, the output terminal of described LNG liquid valve 11 is connected with storing unit, the output terminal of releasing of described LNG storage and transportation apparatus 4 is connected with the input end of LNG safety valve 10, the output terminal of described LNG safety valve 10 is connected with the input end of ANG gas cylinder inlet one-way valve 6, the output terminal of described ANG gas cylinder inlet one-way valve 6 is communicated on ANG gas cylinder 1, and described ANG gas cylinder 1 is provided with delivery outlet.Rock gas after releasing can be recycled by this device, play the object of saving and reduce environmental pollution.
Described storing unit is storage tank, and the selection of varied type meets different needs, and the needs meeting motor that are chosen as of varied type also can meet to the heating of community school or LNG fuel handling supply liquid filling station or use liquid side.But meet heating to community school or LNG fuel handling supply liquid filling station or with liquid side time, the capacity that LNG storage and transportation apparatus 4 is relative and corresponding change make it greatly to meet supply requirement.The rock gas simultaneously exported can be liquid LNG can be also gaseous natural gas, facilitates different demanders.
And when supply engine, the output terminal of LNG liquid valve needs normally to be worked with the ability that is connected of storing unit (motor) by vaporizer, pressure maintaining valve and knock out drum.Wherein, when storage tank is motor, pressure maintaining valve is the pressure maintaining valve with regulatory function, and its downstream pressure value is setting value (this value is needed to determine by motor).Knock out drum is simple pressure container, and with pressure maintaining valve acting in conjunction, make the gas pressure entering knock out drum meet the requirement of motor, its material includes but not limited to carbon steel, Austenitic stainless steel etc.Vaporizer is simple pressure container, inside establish heat exchanging tube, thermal source includes but not limited to the combination of hot water, air, heating equipment or more the mode of vehicle/boats and ships water tank, makes LNG be vaporized into steam with after LNG heat exchange, and its material includes but not limited to copper, carbon steel, Austenitic stainless steel etc.
The delivery outlet of described ANG gas cylinder 1 is provided with ANG cylinder outlet one-way valve 7, ANG gas cylinder 1 as recovering device, uses rock gas in bottle to need the saturated gas cylinder of absorption to change, the gas of absorption could be used.
Described LNG storage and transportation apparatus 4 is plugged with level meter 3, for monitoring the liquid level of the LNG Liquefied natural gas in LNG storage and transportation apparatus 4, wherein, level meter 3 can be capacitance level gauge, float level gauge, differential pressure type level gauge etc., needs according to environment can be selected, convenient, flexible, the needs under varying environment can be met.
The input end of described LNG storage and transportation apparatus 4 is provided with LNG liquid feed valve 8, LNG liquid feed valve 8 and there is one-way non-return function, prevent LNG Liquefied natural gas from discharging from LNG storage and transportation apparatus 4.
The output terminal of releasing of described LNG storage and transportation apparatus 4 is connected by the input end of LNG safety valve 10 with ANG gas cylinder 1, and this LNG safety valve 10 can be complete opening type or micro-open type, can carry out adjustment to meet current needs according to action need.
Described LNG storage and transportation apparatus 4 is plugged with the first pressure gauge 9, described ANG gas cylinder 1 is plugged with the second pressure gauge 5, first pressure gauge 9 and the second pressure gauge 5 is anti-shock pressure meter, strong vibrations can be met.
ANG sorbent 2 is filled with in described ANG gas cylinder 1.ANG sorbent 2 is the porous structure larger than ANG gas cylinder 1 surface area, includes but are not limited to active carbon, petroleum coke etc., can carry out selection according to actual demand, meet the needs of current use.
Described ANG inlet valve, ANG outlet valve, LNG liquid feed valve 8 have the one-way valve of one-way non-return function for one-way valve, prevent rock gas from refluxing.
ANG gas cylinder 1 is the pressurized container that can bear 4Mpa, and its structure includes but not limited to steel cylinder, nonmetal inner bag glass fiber winding bottle.
LNG storage and transportation apparatus 4 is vacuum and low temperature adiabatic pressure container, can be gas cylinder or storage tank, and its material includes but not limited to carbon steel, Austenitic stainless steel etc.
The utility model can be reclaimed needing in LNG storage and transportation apparatus the rock gas of releasing by ANG gas cylinder, can play the object of saving, and reduces environmental pollution.ANG gas cylinder can realize utilizing the gas in ANG gas cylinder by ANG one-way valve simultaneously, increases work efficiency.
It is emphasized that: be only preferred embodiment of the present utility model above, not any pro forma restriction is done to the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims (7)

1. the recovering device for LNG storage and transportation apparatus overpressure relief, comprise LNG storage and transportation apparatus, it is characterized in that: the output terminal of described LNG storage and transportation apparatus is connected with the input end of LNG liquid valve, the output terminal of described LNG liquid valve is connected with storing unit, the output terminal of releasing of described LNG storage and transportation apparatus is connected with the input end of LNG safety valve, the output terminal of described LNG safety valve is connected with the input end of ANG gas cylinder inlet one-way valve, the output terminal of described ANG gas cylinder inlet one-way valve is communicated on ANG gas cylinder, and described ANG gas cylinder is provided with delivery outlet.
2. the recovering device for LNG storage and transportation apparatus overpressure relief according to claim 1, is characterized in that: the delivery outlet of described ANG gas cylinder is provided with ANG cylinder outlet one-way valve.
3. the recovering device for LNG storage and transportation apparatus overpressure relief according to claim 1, is characterized in that: described LNG storage and transportation apparatus is plugged with level meter.
4. the recovering device for LNG storage and transportation apparatus overpressure relief according to claim 1, is characterized in that: the input end of described LNG storage and transportation apparatus is provided with LNG liquid feed valve.
5. the recovering device for LNG storage and transportation apparatus overpressure relief according to claim 1, is characterized in that: described LNG storage and transportation apparatus is also plugged with the first pressure gauge.
6. the recovering device for LNG storage and transportation apparatus overpressure relief according to claim 1, is characterized in that: be filled with ANG sorbent in described ANG gas cylinder.
7. the recovering device for LNG storage and transportation apparatus overpressure relief according to claim 1, is characterized in that: described ANG gas cylinder is plugged with the second pressure gauge.
CN201520077589.5U 2015-02-04 2015-02-04 A kind of recovering device for LNG storage and transportation apparatus overpressure relief Expired - Fee Related CN204554355U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520077589.5U CN204554355U (en) 2015-02-04 2015-02-04 A kind of recovering device for LNG storage and transportation apparatus overpressure relief

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520077589.5U CN204554355U (en) 2015-02-04 2015-02-04 A kind of recovering device for LNG storage and transportation apparatus overpressure relief

Publications (1)

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CN204554355U true CN204554355U (en) 2015-08-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105257977A (en) * 2015-11-23 2016-01-20 江南工业集团有限公司 Collecting and reutilizing device for bleeding gas of vehicle LNG gas cylinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105257977A (en) * 2015-11-23 2016-01-20 江南工业集团有限公司 Collecting and reutilizing device for bleeding gas of vehicle LNG gas cylinder
CN105257977B (en) * 2015-11-23 2017-09-22 江南工业集团有限公司 A kind of automobile-used LNG gas cylinders are released the collection reuse means of gas

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150812

Termination date: 20170204

CF01 Termination of patent right due to non-payment of annual fee