CN108679444A - LNG storage tank is utilizing device - Google Patents
LNG storage tank is utilizing device Download PDFInfo
- Publication number
- CN108679444A CN108679444A CN201810575618.9A CN201810575618A CN108679444A CN 108679444 A CN108679444 A CN 108679444A CN 201810575618 A CN201810575618 A CN 201810575618A CN 108679444 A CN108679444 A CN 108679444A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- branch
- compressor
- lng storage
- kinetic 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
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000002826 coolant Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
-
- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/046—Enhancing energy recovery
-
- 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
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
-
- 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
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
- F17C2265/033—Treating the boil-off by recovery with cooling
-
- 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
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
- F17C2265/037—Treating the boil-off by recovery with pressurising
Abstract
This application discloses a kind of LNG storage tanks to utilize device, including LNG storage tank, storage tank is equipped with escape pipe close to top side wall, escape pipe is equipped with the first branch and the second branch, first branch is equipped with pressure opening and closing valve, cooling device, first compressor and the first kinetic pump, first branch is sequentially connected pressure opening and closing valve, cooling device, it is connect with storage tank after first compressor and the first kinetic pump, second branch is equipped with valve block, second compressor and the second kinetic pump, second branch is sequentially connected valve block, it is connect with outer defeated pipe network after second compressor and the second kinetic pump.The LNG storage tank using device simultaneously be arranged multiple approach solves the problems, such as BOG gases discharge; on the one hand recycling forms LNG; on the other hand directly conversion forms available fuel and reasonable employment; overall structure is simply at low cost; it improves organic efficiency and later maintenance is simple; ensure simultaneously when one of maintenance of equipment, BOG can continue normally to recycle.
Description
Technical field
This application involves the fields LNG, especially a kind of LNG storage tank is utilizing device.
Background technology
LNG is a kind of energy of high-efficiency cleaning, compared with gasoline, diesel oil, with safe, economy is strong, environment is negative
The clear superiorities such as effect is small, energy storage density is high, but in the prior art, LNG is in storage or transportational process, in LNG storage tank
Flash gas BOG. is generated since natural cause is easy heating.BOG gases are imflammable gas, and direct emission can cause potential danger
Danger, while BOG sheets, as very clean fuel, direct emission can cause to waste.
Invention content
The purpose of the present invention is to provide a kind of LNG storage tanks using device, to overcome deficiency in the prior art.
To achieve the above object, the present invention provides the following technical solutions：
What the embodiment of the present application disclosed LNG storage tank is utilizing device, including LNG storage tank, it is characterised in that：The storage tank
It is equipped with escape pipe close to top side wall, the escape pipe is equipped with the first branch and the second branch, is set in first branch
Have pressure opening and closing valve, cooling device, the first compressor and the first kinetic pump, first branch be sequentially connected pressure opening and closing valve,
It is connect with storage tank after cooling device, the first compressor and the first kinetic pump, second branch is equipped with valve block, the second compressor
With the second kinetic pump, second branch connect after being sequentially connected valve block, the second compressor and the second kinetic pump with outer defeated pipe network.
Preferably, in above-mentioned LNG storage tank in using device, first kinetic pump, the second kinetic pump are low
Temperature pump.
Preferably, circulating coolant is equipped in the cooling device in using device in above-mentioned LNG storage tank.
Preferably, in above-mentioned LNG storage tank in using device, the circulating coolant is N2 and C1-C5.
Preferably, in above-mentioned LNG storage tank in using device, second compressor is low temperature oilless reciprocating pressure
Contracting machine.
Preferably, in above-mentioned LNG storage tank in using device, the valve block is butterfly valve, and the butterfly valve is equipped with row
Cheng Kaiguan.
Compared with the prior art, the advantages of the present invention are as follows：
The LNG storage tank using device simultaneously be arranged multiple approach solves the problems, such as BOG gases discharge, on the one hand recycling
LNG is formed, on the other hand directly conversion forms available fuel and reasonable employment, and overall structure is simply at low cost, improves
Organic efficiency and later maintenance is simple, while ensureing when one of maintenance of equipment, BOG can continue normally to recycle.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application are not making the creative labor with according to this for those of ordinary skill in the art
A little attached drawings obtain other attached drawings.
Fig. 1 show the principle schematic diagram in utilization device of LNG storage tank in the specific embodiment of the invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out detailed retouch
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, shall fall within the protection scope of the present invention.
Join shown in Fig. 1, LNG storage tank in the present embodiment using device, including LNG storage tank 1, storage tank 1 is close to top
Side wall is equipped with escape pipe 2, and escape pipe 2 is equipped with the first branch 3 and the second branch 4, and the first branch 3 is equipped with pressure opening and closing valve
12, cooling device 5, the first compressor 6 and the first kinetic pump 7, the first branch 3 are sequentially connected pressure opening and closing valve 12, cooling device
5, it is connect with storage tank 1 after the first compressor 6 and the first kinetic pump 7, the second branch 4 is equipped with valve block 8, the second compressor 9 and the
Two kinetic pumps 10, the second branch 4 connect after being sequentially connected valve block 8, the second compressor 9 and the second kinetic pump 10 with outer defeated pipe network.
Further, the first kinetic pump 7, the second kinetic pump 10 are cryogenic pump.
Further, circulating coolant 501 is equipped in cooling device 5.
Further, circulating coolant 501 is N2 and C1-C5.
Further, the second compressor 9 is low temperature oilless reciprocating compressor.
Further, valve block 8 is butterfly valve, and butterfly valve 8 is equipped with travel switch 11.
In the technical scheme, LNG storage tank solves asking for BOG gases discharge multiple approach are being arranged simultaneously using device
Topic, on the one hand recycling form LNG, and on the other hand directly conversion forms available fuel and reasonable employment, and overall structure is simple
It is at low cost, it improves organic efficiency and later maintenance is simple, while ensureing when one of maintenance of equipment, BOG can continue just
Often recycling.
It is as follows that principle is embodied：
When the pressure in tank body reaches certain limit, pressure opening and closing valve, which automatically opens and starts to liquefy BOG, produces LNG
And be recovered into storage tank, when pressure is excessive or has demand, travel switch control butterfly valve can be regulated and controled and enable Article 2 recycling
Route directly feeds use after compressing BOG.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including element.
It the above is only the specific implementation mode of the application, it is noted that those skilled in the art are come
It says, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as
The protection domain of the application.
Claims (6)
1. a kind of LNG storage tank is utilizing device, including LNG storage tank using device, it is characterised in that：The storage tank is close
Top side wall is equipped with escape pipe, and the escape pipe is equipped with the first branch and the second branch, and first branch is equipped with pressure
Power switch valve, cooling device, the first compressor and the first kinetic pump, first branch are sequentially connected pressure opening and closing valve, cooling
It is connect with storage tank after device, the first compressor and the first kinetic pump, second branch is equipped with valve block, the second compressor and the
Two kinetic pumps, second branch connect after being sequentially connected valve block, the second compressor and the second kinetic pump with outer defeated pipe network.
2. a kind of LNG storage tank according to claim 1 is utilizing device, it is characterised in that：First kinetic pump,
Two kinetic pumps are cryogenic pump.
3. a kind of LNG storage tank according to claim 1 is utilizing device, it is characterised in that：It is set in the cooling device
There is circulating coolant.
4. a kind of LNG storage tank according to claim 3 is utilizing device, it is characterised in that：The circulating coolant
For N2 and C1-C5.
5. a kind of LNG storage tank according to claim 1 is utilizing device, it is characterised in that：Second compressor is
Low temperature oilless reciprocating compressor.
6. a kind of LNG storage tank according to claim 1 is utilizing device, it is characterised in that：The valve block is butterfly valve, institute
It states butterfly valve and is equipped with travel switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575618.9A CN108679444A (en) | 2018-06-06 | 2018-06-06 | LNG storage tank is utilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575618.9A CN108679444A (en) | 2018-06-06 | 2018-06-06 | LNG storage tank is utilizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679444A true CN108679444A (en) | 2018-10-19 |
Family
ID=63810131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810575618.9A Pending CN108679444A (en) | 2018-06-06 | 2018-06-06 | LNG storage tank is utilizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679444A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343881A (en) * | 2013-06-19 | 2013-10-09 | 广州华丰能源科技有限公司 | Technology of BOG recovery and device thereof |
| CN203336232U (en) * | 2013-03-22 | 2013-12-11 | 夏莉 | LNG liquid adding station evaporation gas recycling device |
| CN103953848A (en) * | 2014-05-04 | 2014-07-30 | 国鸿液化气机械工程（大连）有限公司 | Self-balancing re-liquefying system and work method thereof |
| CN204026149U (en) * | 2014-06-16 | 2014-12-17 | 中海浙江宁波液化天然气有限公司 | There is the LNG Liquefied natural gas receiving station of the direct outer communication system of boil-off gas |
| CN205014028U (en) * | 2015-10-15 | 2016-02-03 | 晋城华港燃气有限公司 | System is utilized to high efficiency of LNG storage tank BOG cold energy |
| CN105485515A (en) * | 2015-12-10 | 2016-04-13 | 中国海洋石油总公司 | Fueling system and fueling method for LNG receiving station |
| CN206112504U (en) * | 2016-10-18 | 2017-04-19 | 江苏克劳特低温技术有限公司 | Static evaporation rate of auxiliary gas cylinder of liquid nitrogen detects BOG recovery unit |
| CN206469056U (en) * | 2017-01-16 | 2017-09-05 | 河源新奥燃气有限公司 | A kind of abundant recovery BOG LNG filling apparatus |
| CN208474938U (en) * | 2018-06-06 | 2019-02-05 | 张家港艾普能源装备有限公司 | The reuse means of LNG storage tank |
-
2018
- 2018-06-06 CN CN201810575618.9A patent/CN108679444A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203336232U (en) * | 2013-03-22 | 2013-12-11 | 夏莉 | LNG liquid adding station evaporation gas recycling device |
| CN103343881A (en) * | 2013-06-19 | 2013-10-09 | 广州华丰能源科技有限公司 | Technology of BOG recovery and device thereof |
| CN103953848A (en) * | 2014-05-04 | 2014-07-30 | 国鸿液化气机械工程（大连）有限公司 | Self-balancing re-liquefying system and work method thereof |
| CN204026149U (en) * | 2014-06-16 | 2014-12-17 | 中海浙江宁波液化天然气有限公司 | There is the LNG Liquefied natural gas receiving station of the direct outer communication system of boil-off gas |
| CN205014028U (en) * | 2015-10-15 | 2016-02-03 | 晋城华港燃气有限公司 | System is utilized to high efficiency of LNG storage tank BOG cold energy |
| CN105485515A (en) * | 2015-12-10 | 2016-04-13 | 中国海洋石油总公司 | Fueling system and fueling method for LNG receiving station |
| CN206112504U (en) * | 2016-10-18 | 2017-04-19 | 江苏克劳特低温技术有限公司 | Static evaporation rate of auxiliary gas cylinder of liquid nitrogen detects BOG recovery unit |
| CN206469056U (en) * | 2017-01-16 | 2017-09-05 | 河源新奥燃气有限公司 | A kind of abundant recovery BOG LNG filling apparatus |
| CN208474938U (en) * | 2018-06-06 | 2019-02-05 | 张家港艾普能源装备有限公司 | The reuse means of LNG storage tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181019 |