CN108050374A - A kind of storage tank and LNG air supply systems - Google Patents
A kind of storage tank and LNG air supply systems Download PDFInfo
- Publication number
- CN108050374A CN108050374A CN201711424507.XA CN201711424507A CN108050374A CN 108050374 A CN108050374 A CN 108050374A CN 201711424507 A CN201711424507 A CN 201711424507A CN 108050374 A CN108050374 A CN 108050374A
- Authority
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- China
- Prior art keywords
- storage tank
- tank body
- enclosure space
- control valve
- gas
- 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
- 239000007789 gas Substances 0.000 claims abstract description 64
- 239000011261 inert gas Substances 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 231100001261 hazardous Toxicity 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 9
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000013022 venting Methods 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
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- 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
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
-
- 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
- F17C13/04—Arrangement or mounting of valves
-
- 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
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
-
- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to LNG air supply system technical fields, disclose a kind of storage tank and LNG air supply systems, wherein, storage tank includes：Tank body, equipped with output channel；Tank body connecting portion covers at the one side that the tank body is equipped with output channel, and forms enclosure space with the tank body；The tank body connecting portion is equipped with gas inlet duct and gases exit line, and the gas inlet duct is equipped with the first control valve, and the gases exit line is equipped with the second control valve.Above-mentioned storage tank, tank body connection place and outside air completely cut off, can to avoid the vapor in air at low temperatures frosting and pipeline in tank body connection place and equipment life is caused to reduce；And it is possible to which the air with gases exit line connected tank body by gas inlet duct in place burns after emptying and fill full inert gas, being leaked to avoid flammable cargo, security is higher.
Description
Technical field
The present invention relates to LNG air supply system technical fields, more particularly to a kind of storage tank and LNG air supply systems.
Background technology
Liquid or gas cargo, mostly using storage tank as storage device when transport, storage.It is transported when cargo reaches
Destination or for other purposes so as to need to export from storage tank when, cargo will be exported from storage tank along pipeline, for the ease of control
It makes, is generally fitted with control valve on output channel, some special liquid or gas cargo also need to pacify on output pipe
Fill other equipment, such as gasifier, compressor etc..The involved pipeline of output, valve, other equipment, in use inevitably
It is that there is certain danger there are many kinds of class due to above-mentioned liquid or gas cargo because leakage situation occur in quality or life problems
It is dangerous such as flammable, toxic, be corrosive or the liquid or gas of extremely low temperature, in this case, pipeline, valve, other
Leakage, which occurs, in equipment has considerable risk, it is necessary to and the cargo of prevent leakage enters wide open space, in order to avoid to the person and wealth
Production damages, under this demand, the storage tank that has been born connection place.Coordinated carried out by storage tank junction using a housing and storage tank
The space surrounded, be specifically arranged at storage tank with pipeline, one end of valve, it is above-mentioned may leak pipeline, valve, its
His equipment is all placed in storage tank connection place, so as to, when pipeline, valve or other equipment leak, the cargo of leakage
It can be limited in storage tank connection place, then configured safety measure excludes safely, and then can be to avoid the expansion of dangerous cargo
Dissipate the generation with accident.
Visible storage tank on current market, the mating safety measure in storage tank connection place is mostly venting practice, that is, is stored up
Air intake passage, air-out passage and wind turbine are equipped with set by tank junction, with frequency of centainly taking a breath to being changed in storage tank connection place
Gas is divulged information, so as to have the function that leaked gas cargo security being discharged into specified region.The side in above-mentioned storage tank connection place
Case, since it is desired that often keeping the operation of ventilating system, so energy consumption is higher, while service life of equipment is relatively low；Also, due to
Storage tank connects place and remains air circulation with outside, if cargo is cryogenic object, vapor is easily in cryogenic piping, valve
Frosting on door, equipment can also influence using effect, reduce equipment life, and with security risk.
The content of the invention
The invention discloses a kind of storage tank and LNG air supply systems, for improving the security of storage tank and service life.
In order to achieve the above objectives, the present invention provides following technical scheme：
A kind of storage tank, including：
Tank body, equipped with output channel；
Tank body connecting portion covers at the one side that the tank body is equipped with output channel, and forms enclosure space with the tank body；
The tank body connecting portion is equipped with gas inlet duct and gases exit line, and the gas inlet duct is equipped with the first control
Valve, the gases exit line are equipped with the second control valve.
In above-mentioned storage tank, tank body connection place is formd between tank body connecting portion and tank body, one carried out by the tank body junction
Enclosure space completely cuts off with outside air, it can thus be avoided vapor in air frosting and then causes tank at low temperatures
Body connects the service life reduction of place inner tube road and equipment；Also, tank body connecting portion is equipped with the gas communicated with the enclosure space
Therefore tank body, can be connected place by inlet pipeline and gases exit line by gas inlet duct with gases exit line
Interior air empties and fills full inert gas；Specifically, since inert gas is not susceptible to chemical reaction therefore can be to avoid
It burns after flammable liquid, gas cargo leakage, security is more preferable.In conclusion the security of above-mentioned storage tank is more preferable, use
Longer life expectancy.Further, since the tank body connection place of above-mentioned storage tank is without mechanical ventilator, thus reliability also higher, energy
Consumption is lower.
Optionally, inert gas is full of in the enclosure space.
Optionally, the inert gas is nitrogen.
Optionally, the air pressure in the enclosure space is higher than standard atmospheric pressure.
Optionally, the air pressure in the enclosure space is 1.1~1.2 standard atmospheric pressures.
Optionally, gas exhausting pipeline is additionally provided on the tank body connecting portion, the gas exhausting pipeline is equipped with safety
Valve.
Optionally, pressure sensitive unit is equipped in the enclosure space, for sensing the air pressure in the enclosure space.
Optionally, temperature sensing unit is equipped in the enclosure space, for sensing the temperature in the enclosure space.
Optionally, the temperature sensing unit include positioned at the enclosure space upper area the first temperature sensor and
Positioned at the second temperature sensor of the enclosure space lower area.
Optionally, catch tray is additionally provided in the enclosure space, for receiving the liquid leaked in the enclosure space.
Optionally, hazardous gas detection alarm device is additionally provided in the enclosure space.
Optionally, the storage tank further includes control unit, described control unit and the pressure sensitive unit, temperature sensing
Unit and hazardous gas detection alarm device signal connection, for according to the pressure sensitive unit, and/or temperature sensing
The signal that unit, and/or hazardous gas detection alarm device transmit controls the switch of first control valve and the second control valve.
A kind of LNG air supply systems, including the storage tank described in any of the above-described technical solution.
Description of the drawings
Fig. 1 is a kind of structure diagram of storage tank provided in an embodiment of the present invention；
Fig. 2 is a kind of structure diagram for storage tank that another embodiment of the present invention provides；
Fig. 3 is a kind of structure diagram for storage tank that another embodiment of the present invention provides.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
As shown in FIG. 1 to 3, a kind of storage tank provided in an embodiment of the present invention, including：
Tank body 1, equipped with output channel；
Tank body connecting portion 2 covers at the one side that tank body 1 is equipped with output channel, and forms enclosure space, the envelope with tank body 1
Close space i.e. tank body connection place, cargo when which can leak to avoid the equipment on output channel and its path
Diffuse to wide open space；Specifically, tank body connecting portion 2 is equipped with gas inlet duct 3 and gases exit line 4, gas feed
Pipeline 3 is equipped with the first control valve 31, and gases exit line 4 is equipped with the second control valve 41, the first control valve 31 and the second control
Valve 41 processed controls the disengaging of gas in enclosure space for coordinating.
In above-mentioned storage tank, tank body connection place is formd between tank body connecting portion 2 and tank body 1, carried out by the tank body junction
One enclosure space completely cuts off with outside air, it can thus be avoided vapor in air frosting and then causes at low temperatures
Tank body connects the service life reduction of place inner tube road and equipment；Also, tank body connecting portion 2 is equipped with the gas communicated with the enclosure space
Therefore body inlet pipeline 3 and gases exit line 4, can be connected tank body by gas inlet duct 3 and gases exit line 4
The air in place is connect to empty and fill full inert gas；Specifically, since inert gas is not susceptible to chemical reaction therefore can
To avoid burning after flammable liquid, gas cargo leakage, security is more preferable.In conclusion the security of above-mentioned storage tank is more
Good, service life is longer.Further, since the tank body connection place of above-mentioned storage tank is without mechanical ventilator, therefore reliability
Higher, energy consumption are lower.
As shown in FIG. 1 to 3, in a kind of specific embodiment, when storage tank works normally, can keep filling in enclosure space
Full inert gas.Optionally, which can be nitrogen.
Further, the air pressure in enclosure space can be slightly above standard atmospheric pressure；For example, the air pressure in enclosure space can
To remain 1.1~1.2 standard atmospheric pressures.
Specifically, before storage tank enables, the first control valve 31 and the second control valve 41 can be first opened, it will using nitrogen
Air discharge in tank body connection place until being pure nitrogen gas in tank body connection place, closes the second control valve 41；It continues to fill up
Nitrogen until the pressure in tank body connection place is made to be about 1.1~1.2 atmospheric pressure, finally closes the first control valve 31, so as to
Make the pure nitrogen gas environment of 1.1~1.2 atmospheric pressure carried out by tank body junction.
As shown in FIG. 1 to 3, on the basis of above-described embodiment, in a kind of specific embodiment, on tank body connecting portion 2
Gas exhausting pipeline 5 is also provided with, gas exhausting pipeline 5 is equipped with triple valve 51.
Further, may be employed two-way pipeline after triple valve 51, and per road pipeline on can set that there are one safety valves 52.
Specifically, when the pressure in tank body connection place is higher than the pressure value that safety valve 52 is set, safety valve 52 will rise
Pressure release is jumped, thereby may be ensured that the pressure in tank body connection place in safe range.
It as shown in FIG. 1 to 3,, can in enclosure space in a kind of specific embodiment on the basis of the various embodiments described above
To be equipped with pressure sensitive unit 6, for sensing the air pressure in enclosure space.
Specifically, in use, when gas cargo leakage, the pressure in tank body connection place can raise, and work as pressure
Power sensing unit 6 detects can trigger alarm when pressure is higher than a certain setting value (such as 1.2 atmospheric pressure)；At this point, open the
Two control valves 41, by gas leakage with nitrogen discharge to specified region；Further, when discharge gas causes tank body to connect place
When interior pressure is less than a certain setting value (such as 1.1 atmospheric pressure), the first control valve 31 is opened, is filled with nitrogen, until tank body connects
It connects and pure nitrogen gas filling and pressure recovery is reverted in place when being 1.1~1.2 atmospheric pressure, turn off the first control valve 31 and the
Two control valves 41.
As shown in Figures 2 and 3, on the basis of the various embodiments described above, in a kind of specific embodiment, in enclosure space also
Temperature sensing unit 7 can be equipped with, for sensing the temperature in enclosure space.
Specifically, when storing cryogenic cargo used in tank body junction, in use, when cryogenic cargo leaks
When, the temperature in tank body connection place can reduce, when temperature sensing unit 7 detects that temperature is reduced to setting value or temperature change
Alarm can be triggered when reaching certain numerical value, opens the second control valve 41, by leakage cargo with nitrogen discharge to specified region；Into
One step, when discharge gas causes the pressure in tank body connection place to be less than a certain setting value (such as 1.1 atmospheric pressure), open
First control valve 31, is filled with nitrogen, until it is 1.1~1.2 that pure nitrogen gas filling and pressure recovery are reverted in tank body connection place
During atmospheric pressure, the first control valve 31 and the second control valve 41 are closed.
As shown in Figures 2 and 3, on the basis of above-described embodiment, in a kind of specific embodiment, temperature sensing unit 7
It can include the first temperature sensor 71 and second temperature sensor 72；Specifically, it is empty to be located at closing for the first temperature sensor 71
Between upper area, for detecting enclosure space upper area temperature；Second temperature sensor 72 is located at enclosure space lower area,
For detecting enclosure space lower area temperature.
When storing cryogenic liquid cargo used in tank body junction, in use, when liquid goods leaks, meeting
Arrive first at tank body connection place bottom, and then, when the temperature that second temperature sensor 72 detects less than a certain setting value or
When temperature change reaches certain numerical value, it can both determine that liquid goods was revealed, so as to start eliminating measure.Further, liquid
It can be discharged after cargo evaporation with nitrogen.
It, can be in a kind of specific embodiment, in enclosure space as shown in figure 3, on the basis of the various embodiments described above
Equipped with catch tray 8, for receiving the liquid leaked in tank body connection place.
Specifically, when storing liquid goods used in tank body junction, in use, when liquid goods leaks
Can fall into catch tray 8, i.e., catch tray 8 can contain the liquid of leakage, to avoid liquid leakage into cabin, on deck or
Other regions.
Optionally, second temperature sensor 72 can be arranged in catch tray 8；Specifically, the cryogenic liquid of leakage can be with
Gradually gasify in catch tray 8, when the second temperature sensor 72 in catch tray 8, which detects temperature change, reaches certain numerical value
Trigger alarm；The second control valve 41 is opened, the gas for generation of gasifying can be with nitrogen discharge to specified region；Further, when
When discharge gas causes the pressure in tank body connection place less than a certain setting value (such as 1.1 atmospheric pressure), the first control is opened
Valve 31, is filled with nitrogen, when it is 1.1~1.2 atmospheric pressure to revert to pure nitrogen gas filling and pressure recovery in tank body connection place,
Close the first control valve 31 and the second control valve 41.
As shown in FIG. 1 to 3, on the basis of the various embodiments described above, in a kind of specific embodiment, in enclosure space also
Alarm device 9 is detected equipped with hazardous gas.The cargo kind that the species of hazardous gas detection alarm device 9 is stored according to tank body 1
Class determines, such as tank body 1 for storing fuel gas, then hazardous gas detection alarm device 9 is combustible gas detecting alarm dress
It puts.Specifically, exemplified by by tank body 1 for storing fuel gas, in use, when combustible gas leakage, fuel gas
Detection alarm device can trigger alarm, open the second control valve 41 at this time, by fuel gas with nitrogen discharge to specified region, when
When discharge gas causes the pressure in tank body connection place less than a certain setting value (such as 1.1 atmospheric pressure), the second control is opened
Valve 41, is filled with nitrogen, when it is 1.1~1.2 atmospheric pressure to revert to pure nitrogen gas filling and pressure recovery in tank body connection place,
Close the first control valve 31 and the second control valve 41.
As shown in FIG. 1 to 3, on the basis of the various embodiments described above, in a kind of specific embodiment, storage tank can also be set
There is control unit, which can detect alarm dress with pressure sensitive unit 6, temperature sensing unit 7 and hazardous gas
Any one in 9 or the connection of several signals are put, also, the control unit can be according to pressure sensitive unit 6, temperature sensing unit
7th, hazardous gas detects any of alarm device 9 or several transmitted detectable signals to control the first control valve 31 and second
The switch motion of control valve 41, and then realize automatically controlling for the first control valve 31 and the second control valve 41；
Further, control unit can be also used for controlling the output control valve on output channel according to above-mentioned detectable signal
Switch motion, so as to fulfill automatically controlling for cargo output, for example, above-mentioned control unit can be controlled according to cargo leakage situation
Output control valve is closed, and so as to stop output cargo in time, ensures safety.
Specifically, in use, when the pressure rise in tank body connection place is to setting value, temperature change reaches one
Determine degree or when hazardous gas cargo reaches a certain concentration, pressure sensitive unit 6, temperature sensing unit 7, hazardous gas are visited
Above-mentioned variation can be sensed respectively by surveying alarm device 9, and sensing signal is sent to control unit；And control unit according to
Above-mentioned sensing signal can control the first control valve 31 and the second control valve 41, for example, controlling the second control valve first
41 open, and by gas leakage with nitrogen discharge to specified region, the first control valve 31 are then controlled to open, is filled with nitrogen, until
It is 1.1~1.2 atmospheric pressure to revert to pure nitrogen gas filling and pressure in tank body connection place, finally closes the first control valve 31 and the
Two control valves 41；
Optionally, sensing signal can also be sent to control centre by control unit, in order to which staff understands in time
Storage tank security situation makes safe handling measure.
The embodiment of the present invention also provides a kind of LNG air supply systems, which is included in any of the above-described embodiment
Storage tank.In the LNG air supply systems, the security of storage tank is good, and reliability is high, and service life is long, and energy consumption is relatively low.
Obviously, those skilled in the art can carry out the embodiment of the present invention various modification and variations without departing from this hair
Bright spirit and scope.In this way, if these modifications and changes of the present invention belongs to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to comprising including these modification and variations.
Claims (13)
1. a kind of storage tank, which is characterized in that including：
Tank body, equipped with output channel；
Tank body connecting portion covers at the one side that the tank body is equipped with output channel, and forms enclosure space with the tank body；It is described
Tank body connecting portion is equipped with gas inlet duct and gases exit line, and the gas inlet duct is equipped with the first control valve,
The gases exit line is equipped with the second control valve.
2. storage tank according to claim 1, which is characterized in that inert gas is full of in the enclosure space.
3. storage tank according to claim 2, which is characterized in that the inert gas is nitrogen.
4. storage tank according to claim 2, which is characterized in that the air pressure in the enclosure space is higher than standard atmospheric pressure.
5. storage tank according to claim 4, which is characterized in that the air pressure in the enclosure space is 1.1~1.2 standards
Atmospheric pressure.
6. storage tank according to claim 4, which is characterized in that gas exhausting pipeline is additionally provided on the tank body connecting portion,
The gas exhausting pipeline is equipped with safety valve.
7. according to claim 1~6 any one of them storage tank, which is characterized in that be equipped with pressure sensing in the enclosure space
Unit, for sensing the air pressure in the enclosure space.
8. storage tank according to claim 7, which is characterized in that temperature sensing unit is equipped in the enclosure space, is used for
Sense the temperature in the enclosure space.
9. storage tank according to claim 8, which is characterized in that the temperature sensing unit includes being located at the enclosure space
First temperature sensor of upper area and the second temperature sensor positioned at the enclosure space lower area.
10. storage tank according to claim 8, which is characterized in that catch tray is additionally provided in the enclosure space, for receiving
Leak to the liquid in the enclosure space.
11. storage tank according to claim 8, which is characterized in that hazardous gas detection police is additionally provided in the enclosure space
Reporting device.
12. storage tank according to claim 11, which is characterized in that the storage tank further includes control unit, and the control is single
It is first to be connected with the pressure sensitive unit, temperature sensing unit and hazardous gas detection alarm device signal, for according to institute
It states described in the signal control that pressure sensitive unit, and/or temperature sensing unit, and/or hazardous gas detection alarm device transmit
The switch of first control valve and the second control valve.
13. a kind of LNG air supply systems, which is characterized in that including claim 1~12 any one of them storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711424507.XA CN108050374A (en) | 2017-12-25 | 2017-12-25 | A kind of storage tank and LNG air supply systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711424507.XA CN108050374A (en) | 2017-12-25 | 2017-12-25 | A kind of storage tank and LNG air supply systems |
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| CN108050374A true CN108050374A (en) | 2018-05-18 |
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| CN201711424507.XA Pending CN108050374A (en) | 2017-12-25 | 2017-12-25 | A kind of storage tank and LNG air supply systems |
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| CN102582984A (en) * | 2012-02-28 | 2012-07-18 | 潘刚 | Safety protection system and safety protection method for floating-roof oil tank based on active nitrogen filling |
| CN102840058A (en) * | 2012-09-14 | 2012-12-26 | 中国舰船研究设计中心 | Liquid storage and gas supply system for LNG fuel vessel |
| CN202868301U (en) * | 2012-11-18 | 2013-04-10 | 黄文旭 | Leakage stopping device for steel bottle valve |
| CN202938025U (en) * | 2012-12-10 | 2013-05-15 | 中国能源建设集团广东省电力设计研究院 | Gas leakage detection device |
| CN103398290A (en) * | 2013-08-06 | 2013-11-20 | 国鸿液化气机械工程（大连）有限公司 | Gas chamber cover of liquefied natural gas storage tank |
| CN203927386U (en) * | 2014-05-14 | 2014-11-05 | 中工国际工程股份有限公司 | A kind of installation for transformer inflated with nitrogen system |
| CN106499938A (en) * | 2015-09-06 | 2017-03-15 | 天津宏昊源科技有限公司 | Safety anti-explosive formula liquefied natural gas carrier vehicle |
| CN205209699U (en) * | 2015-11-20 | 2016-05-04 | 中国人民解放军第四五二医院 | Liquid nitrogen leakage alarm device |
| CN207848944U (en) * | 2017-12-25 | 2018-09-11 | 上海新奥新能源技术有限公司 | A kind of storage tank and LNG air supply systems |
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