CN203743819U - Underground storage tank for LNG (Liquefied Natural Gas) filling station - Google Patents

Underground storage tank for LNG (Liquefied Natural Gas) filling station Download PDF

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Publication number
CN203743819U
CN203743819U CN201420018146.4U CN201420018146U CN203743819U CN 203743819 U CN203743819 U CN 203743819U CN 201420018146 U CN201420018146 U CN 201420018146U CN 203743819 U CN203743819 U CN 203743819U
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CN
China
Prior art keywords
pump
tank
basin
pump pond
storage tank
Prior art date
Application number
CN201420018146.4U
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Chinese (zh)
Inventor
华晔康
徐惠新
Original Assignee
查特深冷工程系统(常州)有限公司
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Publication date
Application filed by 查特深冷工程系统(常州)有限公司 filed Critical 查特深冷工程系统(常州)有限公司
Priority to CN201420018146.4U priority Critical patent/CN203743819U/en
Application granted granted Critical
Publication of CN203743819U publication Critical patent/CN203743819U/en

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Abstract

The utility model discloses an underground storage tank for an LNG (Liquefied Natural Gas) filling station. The underground storage tank comprises a storage tank body, a pump tank, an immersed pump and a check valve, wherein the pump tank is mounted in the storage tank; the immersed pump is placed in the pump tank; the check valve is arranged between the pump tank and the storage tank; the pump tank and the storage tank are connected by using a heat insulating material; a sealing cover is arranged in a neck pipe of the pump tank; a vacuum cover plate and a vacuum sealing flange are arranged at the top end of the immersed pump; the vacuum sealing flange is connected with the immersed pump; the vacuum sealing flange is provided with an exhausting pipe communicated with the inner part of the pump tank; the whole storage tank is buried in the ground. With the adoption of the manner, the underground storage tank for the LNG filling station adopts a manner of intensifying the storage tank and the immersed pump so that the space can be utilized effectively, the land cost is saved greatly and materials are saved; the underground storage tank is applied to construction of the underground filling station and the safety is increased.

Description

For the Forces Acting on Buried Tank of LNG gas station
Technical field
The utility model relates to cryogenic liquide storage and Automotive Applied Technology field, particularly relates to a kind of Forces Acting on Buried Tank for LNG gas station.
Background technique
LNG(LNG Liquefied natural gas) gas station grows up with LNG industrial expansion in seventies 21st century.LNG(LNG Liquefied natural gas) be a kind of boiling point the cryogenic liquid of-162 DEG C, there is distinct storage and liquid feeding problem.
Liquefied natural gas filling station originally comprises equipment such as being arranged on ground basin, pump pond and filling machine, should and basin and pump pond be two independent individuals, have the safe distance requirement of regulation, accounted for land area, and limited the scope of building a station.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of Forces Acting on Buried Tank for LNG gas station, has adopted the intensive mode of basin and immersed pump, can effectively utilize space, save cost of land, save material, be applied to the construction of buried gas station, increased margin of safety.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of Forces Acting on Buried Tank for LNG gas station is provided, comprise: basin, pump pond, immersed pump and one-way valve, pump pond is arranged in described basin, immersed pump is positioned in pump pond, between pump pond and described basin, be provided with one-way valve, pump pond adopts thermoinsulation material to be connected with basin, in the neck tube in pump pond, be provided with a capping, the tip portion of immersed pump is provided with vacuum cover plate and vacuum seal flange, vacuum seal flange is connected with described immersed pump, vacuum seal flange be provided with one with the outlet pipe of pump pond internal communication, described whole basin is embedded in subsurface.
In preferred embodiment of the utility model, described basin comprises the vacuum layer forming between inner canister, outer tank and inner and outer tank.
In preferred embodiment of the utility model, it is inner and be all connected with inner canister with outer tank that described pump pond is arranged on basin, inner canister by one-way valve to pump pond delivered inside liquid phase medium.
In preferred embodiment of the utility model, the upper end in described pump pond adopts thermoinsulation material to be connected with the outer tank of basin.
In preferred embodiment of the utility model, described pump pond is arranged on the inside of outer tank and separates setting with inner canister, inner canister by a liquid inlet pipe and one-way valve to pump pond delivered inside liquid phase medium.
In preferred embodiment of the utility model, the lower end in described pump pond adopts thermoinsulation material to be connected with the outer tank of basin.
In preferred embodiment of the utility model, the vacuum layer of described pump pond and basin is interconnected.
In preferred embodiment of the utility model, the bottom of described basin is provided with hygrosensor and air sucking mouth.
The beneficial effects of the utility model are: the utility model has adopted basin and the intensive mode of immersed pump for the Forces Acting on Buried Tank of LNG gas station, can effectively utilize space, save cost of land, save material, be applied to the construction of buried gas station, increased margin of safety.
Brief description of the drawings
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structural representation of Forces Acting on Buried Tank one preferred embodiment for LNG gas station of the present utility model;
Fig. 2 is the structural representation of another preferred embodiment of Forces Acting on Buried Tank for LNG gas station of the present utility model;
In accompanying drawing, the mark of each parts is as follows: 1, inner canister, 2, outer tank, 3, pump pond, 4, immersed pump, 5, one-way valve, 6, vacuum layer, 7, basin, 8, liquid inlet pipe, 9, thermoinsulation material, 10, capping, 11, vacuum seal flange, 12, vacuum cover plate, 13, outlet pipe.
Embodiment
To the technological scheme in the utility model embodiment be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiments that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 to Fig. 2, the utility model is embodiment comprise:
For a Forces Acting on Buried Tank for LNG gas station, comprising: basin 7, pump pond 3, immersed pump 4 and one-way valve 5.
In the utility model, described basin 7 comprises the vacuum layer 6 forming between inner canister 1, outer tank 2 and inner canister 1 and outer tank 2.
Described pump pond 3 is arranged in basin 7, and immersed pump 4 is positioned in pump pond 3, between pump pond 3 and described basin 7, is provided with one-way valve 5, can be convenient to the maintenance and repair of the inner immersed pump 4 in pump pond 3.
Pump pond 3 adopts thermoinsulation material 9 to be connected with basin 7, is provided with capping 10 in the neck tube in pump pond 3, and described capping 10 adopts thermoinsulation material to make.
The tip portion of described immersed pump 4 is provided with vacuum cover plate 12 and vacuum seal flange 11, and vacuum seal flange 11 is connected with described immersed pump 4, described vacuum seal flange 11 be provided with one with the outlet pipe 13 of pump pond 3 internal communication.
In the time that immersed pump 4 needs repairing, first vacuum seal flange 11 is promoted together with immersed pump 4 to a segment distance (vacuum cover plate 12 is still connected with outer tank 2), so that 5 close of one-way valve, the gas in 3 spaces, pump pond is discharged from outlet pipe 13.In the time that residual gas is few, then open vacuum cover plate 12, take out the pump housing and keep in repair.In the utility model, immersed pump 4 is positioned over entirety of the interior formation of basin 7, and described whole basin 7 is embedded in below ground and is connected with concrete basis, can prevent that rainwater etc. from causing the floating of basin 7.
Whether the bottom at basin 7 is also provided with hygrosensor and air sucking mouth, can normally be carried out for detection of the work of basin 7.
Embodiment one
As depicted in figs. 1 and 2, described pump pond 3 is arranged on basin 7 inside and is all connected with inner canister 1 with outer tank 2, and the upper end in described pump pond 3 adopts thermoinsulation material 9 to be connected with the outer tank 2 of basin 7.
In the present embodiment, inner canister 1 is passed through the immersed pump 4 conveying liquid phase mediums of one-way valve 5 to 3 inside, pump pond.
Embodiment two
As shown in Figure 3, described pump pond 3 is arranged on the inside of outer tank 2 and separates setting with inner canister 1, and the lower end in described pump pond 3 adopts thermoinsulation material 9 to be connected with the outer tank 2 of basin 7.
In the present embodiment, inner canister 1 by a liquid inlet pipe 8 and one-way valve 5 the immersed pump 4 conveying liquid phase mediums to 3 inside, pump pond.
In above-mentioned two embodiments, described pump pond 3 can have the vacuum layer 6 of the basin 7 of LNG, can keep like this low temperature in pump pond 3, and immersed pump 4 is arranged in the basin 7 of LNG, can conserve space and material, be convenient to the construction of buried gas station.
The utility model for the beneficial effect of the Forces Acting on Buried Tank of LNG gas station is:
Adopt basin 7 mode intensive with immersed pump 4, can effectively utilize space, greatly saved cost of land, saved material, be applied to the construction of buried gas station, increased margin of safety.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.

Claims (8)

1. the Forces Acting on Buried Tank for LNG gas station, it is characterized in that, comprise: basin, pump pond, immersed pump and one-way valve, pump pond is arranged in described basin, immersed pump is positioned in pump pond, between pump pond and described basin, be provided with one-way valve, pump pond adopts thermoinsulation material to be connected with basin, in the neck tube in pump pond, be provided with a capping, the tip portion of immersed pump is provided with vacuum cover plate and vacuum seal flange, vacuum seal flange is connected with described immersed pump, vacuum seal flange be provided with one with the outlet pipe of pump pond internal communication, described whole basin is embedded in subsurface.
2. the Forces Acting on Buried Tank for LNG gas station according to claim 1, is characterized in that, described basin comprises the vacuum layer forming between inner canister, outer tank and inner and outer tank.
3. the Forces Acting on Buried Tank for LNG gas station according to claim 2, is characterized in that, it is inner and be all connected with inner canister with outer tank that described pump pond is arranged on basin, inner canister by one-way valve to pump pond delivered inside liquid phase medium.
4. the Forces Acting on Buried Tank for LNG gas station according to claim 3, is characterized in that, the upper end in described pump pond adopts thermoinsulation material to be connected with the outer tank of basin.
5. the Forces Acting on Buried Tank for LNG gas station according to claim 2, is characterized in that, described pump pond is arranged on the inside of outer tank and separates setting with inner canister, inner canister by a liquid inlet pipe and one-way valve to pump pond delivered inside liquid phase medium.
6. the Forces Acting on Buried Tank for LNG gas station according to claim 5, is characterized in that, the lower end in described pump pond adopts thermoinsulation material to be connected with the outer tank of basin.
7. the Forces Acting on Buried Tank for LNG gas station according to claim 2, is characterized in that, the vacuum layer of described pump pond and basin is interconnected.
8. the Forces Acting on Buried Tank for LNG gas station according to claim 1, is characterized in that, the bottom of described basin is provided with hygrosensor and air sucking mouth.
CN201420018146.4U 2014-01-13 2014-01-13 Underground storage tank for LNG (Liquefied Natural Gas) filling station CN203743819U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420018146.4U CN203743819U (en) 2014-01-13 2014-01-13 Underground storage tank for LNG (Liquefied Natural Gas) filling station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420018146.4U CN203743819U (en) 2014-01-13 2014-01-13 Underground storage tank for LNG (Liquefied Natural Gas) filling station

Publications (1)

Publication Number Publication Date
CN203743819U true CN203743819U (en) 2014-07-30

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104747908A (en) * 2015-04-14 2015-07-01 陕西瑞科特种设备技术有限公司 Online drawable immersed pump system for deep-cooling storage tank
CN105042328A (en) * 2015-08-26 2015-11-11 成都华气厚普机电设备股份有限公司 Built-in bottom-valve-free LNG pump well structure
CN105042329A (en) * 2015-08-26 2015-11-11 成都华气厚普机电设备股份有限公司 Double-layer type LNG pump well structure and storage tank comprising structure
CN105570665A (en) * 2014-10-10 2016-05-11 南通中集罐式储运设备制造有限公司 Bunkering storage tank system for ship and liquefied natural gas (LNG) bunkering pontoon with storage tank system
CN106764416A (en) * 2016-12-20 2017-05-31 山东新兴重工科技发展有限公司 A kind of internal pump low-temperature storage tank

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105570665B (en) * 2014-10-10 2018-01-05 南通中集能源装备有限公司 Filling tank system peculiar to vessel and the LNG filling landing stage with the tank system
CN105570665A (en) * 2014-10-10 2016-05-11 南通中集罐式储运设备制造有限公司 Bunkering storage tank system for ship and liquefied natural gas (LNG) bunkering pontoon with storage tank system
CN104747908A (en) * 2015-04-14 2015-07-01 陕西瑞科特种设备技术有限公司 Online drawable immersed pump system for deep-cooling storage tank
CN105042328A (en) * 2015-08-26 2015-11-11 成都华气厚普机电设备股份有限公司 Built-in bottom-valve-free LNG pump well structure
CN105042329A (en) * 2015-08-26 2015-11-11 成都华气厚普机电设备股份有限公司 Double-layer type LNG pump well structure and storage tank comprising structure
CN105042329B (en) * 2015-08-26 2017-06-30 成都华气厚普机电设备股份有限公司 Two-layer equation LNG pump well construction and the storage tank containing its structure
CN106764416A (en) * 2016-12-20 2017-05-31 山东新兴重工科技发展有限公司 A kind of internal pump low-temperature storage tank

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