CN204153464U - A kind of LNG storage tank - Google Patents
A kind of LNG storage tank Download PDFInfo
- Publication number
- CN204153464U CN204153464U CN201420588611.8U CN201420588611U CN204153464U CN 204153464 U CN204153464 U CN 204153464U CN 201420588611 U CN201420588611 U CN 201420588611U CN 204153464 U CN204153464 U CN 204153464U
- Authority
- CN
- China
- Prior art keywords
- tank body
- storage tank
- pump sump
- solenoid valves
- cryopump
- 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
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a kind of LNG storage tank, comprise nexine tank body and outer tank body, described nexine tank body and outer tank body form storage tank body, storage tank body is located in support, the middle part of described storage tank body is provided with pump sump, pump sump top is connected with sealing cover, seal ring is provided with between pump sump top and sealing cover, supporting element is provided with in described pump sump, supporting element connects cryopump, by supporting element, cryopump is fixed on the bottom of pump sump, and offers several through holes respectively in the upper and lower of pump sump.Adopt the form of pump sump sealing, cryopump is placed in the intrinsic bottom of storage tank, is 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.
Description
Technical field
The utility model relates to LNG storage art, specifically a kind of LNG storage tank.
Background technique
LNG (Liquefied Natural Gas), i.e. the english abbreviation of LNG Liquefied natural gas.Rock gas is the inflammable gas that natural opening extraction comes in gas field, and main component is made up of methane.LNG is cooled to-162 DEG C by the rock gas of gaseous state at ambient pressure, makes 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.Need to carry out supercharging and step-down to tank body in the storage and use of LNG.
Model utility content
The purpose of this utility model is to provide a kind of 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 LNG storage tank, comprise refrigeration plant, a solenoid valve, No. two solenoid valves, No. three solenoid valves, pressurization device, No. four solenoid valves, thermal insulation layer, support, regulate pipeline, spraying head, sealing cover, indusion tube, nexine tank body, outer tank body, pump sump, cryopump and supporting element, described nexine tank body and outer tank body form storage tank body, storage tank body is located in support, the middle part of described storage tank body is provided with pump sump, pump sump top is connected with sealing cover, seal ring is provided with between pump sump top and sealing cover, supporting element is provided with in described pump sump, supporting element connects cryopump, by supporting element, cryopump is fixed on the bottom of pump sump, and several through holes are offered respectively in the upper and lower of pump sump, the output port of described cryopump connects indusion tube, one end of three-way pipe in the connection bracket of indusion tube one end, two other port of described three-way pipe connects an outside solenoid valve and No. four solenoid valves respectively, No. four solenoid valves are connected to and regulate on pipeline, described No. four solenoid valves are also parallel with pressurization device, and the input port of pressurization device connects No. two solenoid valves, one end of described adjustment pipeline is connected on the spraying head of storage tank body interior, described support is seal casinghousing structure, and the inwall of support is coated with one layer of heat preservation layer uniformly.
As further program of the utility model: vacuum is pumped in the space between described nexine tank body and outer tank body.
As the utility model further scheme: the material of described seal ring is silicone rubber.
As the utility model further scheme: described support is provided with refrigeration plant.
Compared with prior art, the beneficial effects of the utility model are: the form adopting pump sump sealing, cryopump is placed in the intrinsic bottom of storage tank, 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 storage tank body internal pressure is too high, the keying of No. four solenoid valves and No. two solenoid valves 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.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
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 LNG storage tank, comprises refrigeration plant 1, a solenoid valve 2, No. two solenoid valves 3, No. three solenoid valves 4, pressurization device 5, No. four solenoid valves 6, thermal insulation layer 7, support 8, regulate pipeline 9, spraying head 10, sealing cover 11, indusion tube 12, nexine tank body 13, outer tank body 14, pump sump 15, cryopump 16, supporting element 17, described nexine tank body 13 and outer tank body 14 form storage tank body, storage tank body is located in support 8, and vacuum is pumped in the space between nexine tank body 13 and outer tank body 14, so that insulation, the middle part of described storage tank body is provided with pump sump 15, pump sump 15 top is connected with sealing cover 11, be provided with seal ring between pump sump 15 top and sealing cover 11, and seal ring adopts silicone rubber to make, low temperature resistant and stable, pump sump 15 is sealed simultaneously, prevent liquid gasification from overflowing, be provided with supporting element 17 in described pump sump 15, supporting element 17 connect cryopump 16, by supporting element 17, cryopump 16 is fixed on the bottom of pump sump 15, make the repair and maintenance of cryopump 16 very convenient, and offer several through holes in the upper and lower of pump sump 15 respectively, be convenient to the flowing of internal liquid and gas,
The output port of described cryopump 16 connects indusion tube 12, one end of three-way pipe in indusion tube 12 one end connection bracket 8, two other port of described three-way pipe connects an outside solenoid valve 2 and No. four solenoid valves 6 respectively, No. four solenoid valves 6 are connected to and regulate on pipeline 9, described No. four solenoid valves 6 are also parallel with pressurization device 5, and the input port of pressurization device 5 connects No. two solenoid valves 3; When No. four solenoid valves 6 are opened, when No. two solenoid valves 3 cut out, realize the gas-cooled function of LNG in storage tank body, when No. four solenoid valves 6 cut out, when No. two solenoid valves 3 are opened, realize supercharging in storage tank body; One end of described adjustment pipeline 9 is connected on the spraying head 10 of storage tank body interior, realizes gas and reclaims;
Described support 8 is seal casinghousing structure, and the inwall of support 8 is coated with one layer of heat preservation layer 7 uniformly, and described support 8 is provided with refrigeration plant 1.
Working principle of the present utility model is: adopt the form that pump sump 15 seals, cryopump 16 is placed in the intrinsic bottom of storage tank, be convenient to get liquid, and be convenient to the inspection and maintenance of cryopump, on outside indusion tube 12, connect pressurization device 5 in order to maintain the intrinsic pressure of storage tank simultaneously, be convenient to get liquid, avoid the hydrops that underpressure causes, simultaneously when storage tank body internal pressure is too high, the keying of No. four solenoid valves 6 and No. two solenoid valves 3 is adopted to control, realize the cooling step-down of spraying head 10, LNG liquid is reached capacity state, this utility structure is simple, easy to adjust.
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 (4)
1. a LNG storage tank, comprise refrigeration plant, a solenoid valve, No. two solenoid valves, No. three solenoid valves, pressurization device, No. four solenoid valves, thermal insulation layer, support, regulate pipeline, spraying head, sealing cover, indusion tube, nexine tank body, outer tank body, pump sump, cryopump and supporting element, it is characterized in that, described nexine tank body and outer tank body form storage tank body, storage tank body is located in support, the middle part of described storage tank body is provided with pump sump, pump sump top is connected with sealing cover, seal ring is provided with between pump sump top and sealing cover, supporting element is provided with in described pump sump, supporting element connects cryopump, by supporting element, cryopump is fixed on the bottom of pump sump, and several through holes are offered respectively in the upper and lower of pump sump, the output port of described cryopump connects indusion tube, one end of three-way pipe in the connection bracket of indusion tube one end, two other port of described three-way pipe connects an outside solenoid valve and No. four solenoid valves respectively, No. four solenoid valves are connected to and regulate on pipeline, described No. four solenoid valves are also parallel with pressurization device, and the input port of pressurization device connects No. two solenoid valves, one end of described adjustment pipeline is connected on the spraying head of storage tank body interior, described support is seal casinghousing structure, and the inwall of support is coated with one layer of heat preservation layer uniformly.
2. a kind of LNG storage tank according to claim 1, is characterized in that, vacuum is pumped in the space between described nexine tank body and outer tank body.
3. a kind of LNG storage tank according to claim 1, is characterized in that, the material of described seal ring is silicone rubber.
4. a kind of LNG storage tank according to claim 1, is characterized in that, described support is provided with refrigeration plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420588611.8U CN204153464U (en) | 2014-10-11 | 2014-10-11 | A kind of LNG storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420588611.8U CN204153464U (en) | 2014-10-11 | 2014-10-11 | A kind of LNG storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204153464U true CN204153464U (en) | 2015-02-11 |
Family
ID=52511579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420588611.8U Expired - Fee Related CN204153464U (en) | 2014-10-11 | 2014-10-11 | A kind of LNG storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204153464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128607A (en) * | 2020-08-13 | 2020-12-25 | 北京航天试验技术研究所 | Integrative storage tank of low-loss liquid hydrogen |
-
2014
- 2014-10-11 CN CN201420588611.8U patent/CN204153464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128607A (en) * | 2020-08-13 | 2020-12-25 | 北京航天试验技术研究所 | Integrative storage tank of low-loss liquid hydrogen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 256600, Shandong, Binzhou Province Yangtze River Road five, Bohai twenty-one west 500 meters South Road Patentee after: Shandong blue silicon new energy equipment Limited by Share Ltd Address before: 256600, Shandong, Binzhou Province Yangtze River Road five, Bohai twenty-one west 500 meters South Road Patentee before: BINZHOU BLUE SILICON NEW ENERGY EQUIPMENT CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20161011 |