CN204901313U - Prevent layering LNG storage tank - Google Patents

Prevent layering LNG storage tank Download PDF

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Publication number
CN204901313U
CN204901313U CN201520563041.1U CN201520563041U CN204901313U CN 204901313 U CN204901313 U CN 204901313U CN 201520563041 U CN201520563041 U CN 201520563041U CN 204901313 U CN204901313 U CN 204901313U
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CN
China
Prior art keywords
pedestal
tank body
solenoid valve
framework
layering
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.)
Expired - Fee Related
Application number
CN201520563041.1U
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Chinese (zh)
Inventor
李碧良
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Handan Xinze Gas Technology Co Ltd
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Individual
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Publication date
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Priority to CN201520563041.1U priority Critical patent/CN204901313U/en
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Publication of CN204901313U publication Critical patent/CN204901313U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a prevent layering LNG storage tank, including a jar body, frame, refrigerating plant, pressure device and pump well, the frame is all installed to jar body both sides, and forms sealed cavity between frame inner wall and jar external wall, the frame is including inside heat preservation and outside support, jar body middle part is provided with the pump well, and pump well top is connected with seals the lid, be provided with support piece in the pump well, the last cryogenic pump of installing of support piece, the cryogenic pump is located pump shaft bottom portion, has seted up a plurality of through -holes on pump well lateral wall, this device drive to mix the magnetic stripe through the drive magnetic stripe and stirs in that the jar is internal for the lower LNG rebound of temperature of the internal lower floor of jar, it is gaseous to absorb pneumatolytic BOG, reaches the effect of step -down, and effectual having prevented leads to rolling because of the LNG in the LNG storage tank takes place the layering, has improved the security performance of device.

Description

A kind of anti-layering LNG storage tank
Technical field
The utility model relates to new energy sources for automobile field, specifically a kind of anti-layering LNG storage tank.
Background technique
The english abbreviation of LNG and LNG Liquefied natural gas, rock gas is the inflammable gas that natural opening extraction comes in gas field, main component is made up of methane, LNG is cooled to-162 DEG C by the rock gas of gaseous state at ambient pressure, make it to condense into liquid, greatly can save storage and transportation space after natural gas liquefaction, and have that calorific value is large, performance high.
Along with extensive use and the develop rapidly of domestic LNG, the technology of LNG gas station and application are also at high speed development.In LNG storage process, in the storage of LNG with need in using carry out supercharging and step-down to tank body and once will turn over liquid to the LNG in storage tank at set intervals, stratification is there is to prevent the LNG in LNG storage tank, because stratification can accelerate the gasification of LNG, LNG storage tank LNG is caused to occur rolling, manufacture huge pressure of storage tank instantaneously, bring huge potential safety hazard, need to carry out regulating tank internal pressure by BOG gas in blowdown vessel, the pollution of environment and the waste of LNG resource can be caused like this; Also can be reclaimed BOG gas by BOG gas concentration unit, but the larger waste of energy consumption aspect can be caused like this.
Model utility content
The purpose of this utility model is to provide a kind of anti-layering LNG storage tank, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A kind of anti-layering LNG storage tank, comprise tank body, framework, refrigeration plant, pressurization device and pump sump, described tank body both sides are all provided with framework, and form sealed cavity between frame inner wall and tank wall, and described framework comprises inner thermal insulation layer and outside support, pump sump is provided with in the middle part of described tank body, pump sump top is connected with sealing cover, is provided with supporting element, supporting element is provided with cryopump in described pump sump, described cryopump is positioned at bottom pump sump, and pump sump sidewall offers some through holes, the output port of described cryopump is connected with indusion tube, the other end of described indusion tube connects the one end of the three-way pipe be arranged in framework, another two ports of described three-way pipe are fastened on the first solenoid valve of framework outside respectively and are positioned at the 4th solenoid valve of lower portion, described 4th solenoid valve is positioned at and regulates on pipeline, 4th solenoid valve is also connected in parallel to pressurization device, the input end of described pressurization device is connected with the second solenoid valve, one end of described adjustment pipeline is positioned at tank interior and is communicated with the spraying tube being horizontally installed on tank body top, spraying tube is provided with some spraying heads, described adjustment pipeline tail end stretches out framework outside and is connected with the 3rd solenoid valve, refrigerator and anti-layering stirring apparatus is also provided with in framework, described refrigerator and thermal insulation layer are fitted and are arranged, described anti-layering stirring apparatus comprises drive motor and pedestal, described pedestal runs through tank wall and is fixed on tank body, the output shaft of drive motor is positioned at pedestal, described pedestal comprises the driving pedestal of tank body outside and the stirring pedestal of tank interior, the driving magnetic stripe be fixed on drive motor output shaft is provided with in driving pedestal, in stirring pedestal, be provided with stirring magnetic stripe, described stirring magnetic stripe is connected by rotatingshaft with stirring pedestal.
As further program of the utility model: described pump sump top and sealing cover Flange joint.
As the utility model further scheme: described tank body is provided with solar panels between plane, two frameworks.
Compared with prior art, the beneficial effects of the utility model are: this device adopts the form of pump sump sealing, cryopump is placed in the intrinsic bottom of tank body, be convenient to get liquid, and be convenient to the inspection and maintenance of cryopump, on outside indusion tube, connect pressurization device in order to maintain the intrinsic pressure of storage tank simultaneously, be convenient to get liquid, avoid the hydrops that underpressure causes, simultaneously when tank body body internal pressure is too high, the keying of the 4th solenoid valve and the second solenoid valve is adopted to control, realize the cooling step-down of spraying head, LNG liquid is reached capacity state, this utility structure is simple, easy to adjust, and by driving magnetic stripe to drive stirring magnetic stripe to stir in tank body, the LNG that in tank body, the temperature of lower floor is lower is moved up, absorb the BOG gas of gasification, reach the effect of step-down, effectively prevent and cause rolling because layering occurs the LNG in LNG storage tank, improve the Safety performance of device.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1-tank body in figure, 2-framework, 3-refrigerator, 4-first solenoid valve, 5-second solenoid valve, 6-pressurization device, 7-the 3rd solenoid valve, 8-the 4th solenoid valve, 9-thermal insulation layer, 10-support, 11-solar panels, 12-sealing cover, 13-regulates pipeline, 14-spraying tube, 15-spraying head, 16-indusion tube, 17-supporting element, 18-cryopump, 19-pump sump, 20-drive motor, 21-pedestal, 22-drives magnetic stripe, and 23-stirs magnetic stripe.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of anti-layering LNG storage tank, comprise tank body 1, framework 2, refrigeration plant 3, pressurization device 6 and pump sump 19, described tank body 1 both sides are all provided with framework 2, and form sealed cavity between framework 2 inwall and tank body 1 outer wall, described framework 2 comprises inner thermal insulation layer 9 and outside support 10, pump sump 19 is provided with in the middle part of described tank body 1, pump sump 19 top is connected with sealing cover 12, pump sump 19 top and sealing cover 12 Flange joint, prevent liquid gasification from overflowing, supporting element 17 is provided with in described pump sump 19, supporting element 17 is provided with cryopump 18, described cryopump 18 is positioned at bottom pump sump 19, pump sump 19 sidewall offers some through holes, pump sump 19 inside is connected with tank body 1 inside, the output port of described cryopump 18 is connected with indusion tube 16, the other end of described indusion tube 16 connects the one end of the three-way pipe be arranged in framework 2, another two ports of described three-way pipe are fastened on the first solenoid valve 3 of framework 2 outside respectively and are positioned at the 4th solenoid valve 8 of framework 2 inside, described 4th solenoid valve 8 is positioned at and regulates on pipeline 13, 4th solenoid valve 8 is also connected in parallel to pressurization device 6, the input end of described pressurization device 6 is connected with the second solenoid valve 5, when the 4th solenoid valve 8 is opened, when second solenoid valve 5 cuts out, realize the gas-cooled function of LNG in tank body 1 body, when the 4th solenoid valve 8 cuts out, when second solenoid valve 5 is opened, realize supercharging in tank body 1 body, one end of described adjustment pipeline 13 is positioned at tank body 1 inside and is communicated with the spraying tube 14 being horizontally installed on tank body 1 top, spraying tube 14 is provided with some spraying heads 15, described adjustment pipeline 13 tail end stretches out framework 2 outside and is connected with the 3rd solenoid valve 7, the master control valve of described 3rd solenoid valve 7 adjustment pipelines 13, refrigerator 3 and anti-layering stirring apparatus is also provided with in framework 2, described refrigerator 3 is fitted with thermal insulation layer 7 and is arranged, described anti-layering stirring apparatus comprises drive motor 20 and pedestal 21, described pedestal 21 runs through tank body 1 sidewall and is fixed on tank body 1, the output shaft of drive motor 20 is positioned at pedestal 21, described pedestal 21 comprises the driving pedestal of tank body 1 outside and the stirring pedestal of tank body 1 inside, the driving magnetic stripe 22 be fixed on drive motor 20 output shaft is provided with in driving pedestal, be provided with in stirring pedestal and stir magnetic stripe 23, described stirring magnetic stripe 23 is connected by rotatingshaft with stirring pedestal, stirring magnetic stripe 23 is driven to stir in tank body 1 by driving magnetic stripe 22, the lower LNG of the temperature of lower floor in tank body 1 is moved up, absorb the BOG gas of gasification, reach the effect of step-down, effectively prevent and cause rolling because layering occurs the LNG in LNG storage tank, improve the Safety performance of device, described tank body 1 is provided with solar panels 11 between plane, two frameworks 2, and described solar panels 11 make temperature in tank body 1 raise for avoiding direct sunlight tank body 1, and can be used as the power supply of device in framework 2, convenient and practical.
Working principle of the present utility model is: the form that this device adopts pump sump 19 to seal, cryopump 18 is placed in the intrinsic bottom of tank body 1, be convenient to get liquid, and be convenient to the inspection and maintenance of cryopump 18, on outside indusion tube 16, connect pressurization device 6 in order to maintain the intrinsic pressure of storage tank simultaneously, be convenient to get liquid, avoid the hydrops that underpressure causes, simultaneously when tank body 1 body internal pressure is too high, the keying of the 4th solenoid valve 8 and the second solenoid valve 5 is adopted to control, realize the cooling step-down of spraying head 15, LNG liquid is reached capacity state, this utility structure is simple, easy to adjust, and by driving magnetic stripe 22 to drive stirring magnetic stripe 23 to stir in tank body 1, the lower LNG of the temperature of lower floor in tank body 1 is moved up, absorb the BOG gas of gasification, reach the effect of step-down, effectively prevent and cause rolling because layering occurs the LNG in LNG storage tank, improve the Safety performance of device.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.

Claims (3)

1. an anti-layering LNG storage tank, comprise tank body, framework, refrigeration plant, pressurization device and pump sump, it is characterized in that, described tank body both sides are all provided with framework, and form sealed cavity between frame inner wall and tank wall, described framework comprises inner thermal insulation layer and outside support, pump sump is provided with in the middle part of described tank body, pump sump top is connected with sealing cover, supporting element is provided with in described pump sump, supporting element is provided with cryopump, and described cryopump is positioned at bottom pump sump, and pump sump sidewall offers some through holes, the output port of described cryopump is connected with indusion tube, the other end of described indusion tube connects the one end of the three-way pipe be arranged in framework, another two ports of described three-way pipe are fastened on the first solenoid valve of framework outside respectively and are positioned at the 4th solenoid valve of lower portion, described 4th solenoid valve is positioned at and regulates on pipeline, 4th solenoid valve is also connected in parallel to pressurization device, the input end of described pressurization device is connected with the second solenoid valve, one end of described adjustment pipeline is positioned at tank interior and is communicated with the spraying tube being horizontally installed on tank body top, spraying tube is provided with some spraying heads, described adjustment pipeline tail end stretches out framework outside and is connected with the 3rd solenoid valve, refrigerator and anti-layering stirring apparatus is also provided with in framework, described refrigerator and thermal insulation layer are fitted and are arranged, described anti-layering stirring apparatus comprises drive motor and pedestal, described pedestal runs through tank wall and is fixed on tank body, the output shaft of drive motor is positioned at pedestal, described pedestal comprises the driving pedestal of tank body outside and the stirring pedestal of tank interior, the driving magnetic stripe be fixed on drive motor output shaft is provided with in driving pedestal, in stirring pedestal, be provided with stirring magnetic stripe, described stirring magnetic stripe is connected by rotatingshaft with stirring pedestal.
2. the anti-layering LNG storage tank of one according to claim 1, is characterized in that, described pump sump top and sealing cover Flange joint.
3. the anti-layering LNG storage tank of one according to claim 1, is characterized in that, described tank body is provided with solar panels between plane, two frameworks.
CN201520563041.1U 2015-07-30 2015-07-30 Prevent layering LNG storage tank Expired - Fee Related CN204901313U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520563041.1U CN204901313U (en) 2015-07-30 2015-07-30 Prevent layering LNG storage tank

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Application Number Priority Date Filing Date Title
CN201520563041.1U CN204901313U (en) 2015-07-30 2015-07-30 Prevent layering LNG storage tank

Publications (1)

Publication Number Publication Date
CN204901313U true CN204901313U (en) 2015-12-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108533955A (en) * 2018-06-06 2018-09-14 张家港艾普能源装备有限公司 LNG storage tank
CN110542016A (en) * 2019-09-09 2019-12-06 浙江海洋大学 LNG storage tank assembly
CN114321697A (en) * 2021-11-17 2022-04-12 中国电建集团海外投资有限公司 Energy storage system and device based on compressed liquid carbon dioxide application

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108533955A (en) * 2018-06-06 2018-09-14 张家港艾普能源装备有限公司 LNG storage tank
CN110542016A (en) * 2019-09-09 2019-12-06 浙江海洋大学 LNG storage tank assembly
CN114321697A (en) * 2021-11-17 2022-04-12 中国电建集团海外投资有限公司 Energy storage system and device based on compressed liquid carbon dioxide application

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
CB03 Change of inventor or designer information

Inventor after: Zhang Lanjiang

Inventor before: Li Biliang

COR Change of bibliographic data
TR01 Transfer of patent right

Effective date of registration: 20160902

Address after: 056300 Wuan Industrial Park, Hebei, Handan

Patentee after: Handan Xinze Gas Technology Co Ltd

Address before: 362000 Quanzhou, Fujian Feng Feng Road, No. 143, Feng Town, Anxi

Patentee before: Li Biliang

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

Granted publication date: 20151223

Termination date: 20190730

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