CN109488874A - A kind of LNG storage tank with safety anti-explosive structure - Google Patents
A kind of LNG storage tank with safety anti-explosive structure Download PDFInfo
- Publication number
- CN109488874A CN109488874A CN201811437264.8A CN201811437264A CN109488874A CN 109488874 A CN109488874 A CN 109488874A CN 201811437264 A CN201811437264 A CN 201811437264A CN 109488874 A CN109488874 A CN 109488874A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- solenoid valve
- protective shell
- collecting region
- safety anti
- 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
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
- F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
- F17C1/04—Protecting sheathings
-
- 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
- F17C13/12—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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0326—Valves electrically actuated
-
- 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
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0605—Parameters
- F17C2250/0626—Pressure
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/07—Actions triggered by measured parameters
- F17C2250/072—Action when predefined value is reached
-
- 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
- F17C2260/042—Reducing risk of explosion
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 provides a kind of LNG storage tanks with safety anti-explosive structure, including storage tank ontology, the storage tank outer body is equipped with protective shell, first pressure sensor is equipped on the inside of the storage tank ontology, collecting tank and controller are equipped on the upside of the protective shell, the collecting tank inner part is every equipped with left collecting region and right collecting region, the left collecting region connects protective shell by the first solenoid valve, the right collecting region connects storage tank ontology by second solenoid valve, the right collecting region side is equipped with escape pipe, the escape pipe exit is equipped with igniter, second pressure sensor is equipped on the inside of the protective shell, the protective shell is connect by third solenoid valve with inert gas holding vessel.The invention has the advantages that: when detecting that protective shell and the intrinsic pressure of storage tank are excessive, start the first solenoid valve and second solenoid valve, discharge part gas, and the LNG of discharge is lighted using igniter, safety anti-explosive effect effectively can be played to LNG storage tank.
Description
Technical field
The invention belongs to technical field of LNG, more particularly, to a kind of LNG storage tank with safety anti-explosive structure.
Background technique
The main component of liquefied natural gas (LNG) is methane, is generally acknowledged most clean fossil energy.Its is colourless, tasteless,
Nontoxic and non-corrosive, in combustion, useful work is larger, and the thermal energy being converted to is big, and pollution is small, therefore is made extensively
With.
LNG is usually transported and is stored with LNG storage tank, and the LNG if the pressure of LNG storage tank is excessive in it is easy to quick-fried
It is fried, safety accident occurs.
Summary of the invention
In view of this, the present invention is directed to propose a kind of LNG storage tank with safety anti-explosive structure, with what is solved the above problems
Shortcoming.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of LNG storage tank with safety anti-explosive structure, including storage tank ontology, the storage tank outer body are equipped with protection
Shell, the storage tank ontology inside are equipped with first pressure sensor, are equipped with collecting tank and controller, the receipts on the upside of the protective shell
Collect tank inner part every being equipped with left collecting region and right collecting region, the left collecting region connects protective shell by the first solenoid valve, described
Right collecting region connects storage tank ontology by second solenoid valve, and the right collecting region side is equipped with escape pipe, the escape pipe outlet
Place is equipped with igniter, and second pressure sensor is equipped on the inside of the protective shell, and the protective shell passes through third solenoid valve and inertia
Gas storage tank connection, the first sensor and second sensor are connected to controller input terminal, first solenoid valve, the
Two solenoid valves, third solenoid valve and igniter are connected to controller output end.
Further, left collecting region and right collecting region are separated by welding diaphragm inside the collecting tank.
Further, the igniter is connected to right collecting region side by connecting rod.
Further, the second pressure number of sensors is multiple, and is evenly distributed in protective shell.
Further, the left collecting region, which passes through, is connected between the first solenoid valve by the first gas-guide tube.
Further, the right collecting region, which passes through, is connected between second solenoid valve by the second gas-guide tube.
Further, it is connected between the inert gas storage tank and third solenoid valve by third gas-guide tube, described
Three gas-guide tubes are equipped with aspiration pump.
Further, it is additionally provided with buzzer siren on the upside of the protective shell, it is defeated that the buzzer siren is connected to controller
Outlet.
Compared with the existing technology, the LNG storage tank of the present invention with safety anti-explosive structure has the advantage that
LNG storage tank setting storage tank ontology and protective shell of the present invention with safety anti-explosive structure passes through electromagnetism respectively
Valve connects two collecting regions of collecting tank, when detecting that the pressure in protective shell is excessive, starts the first solenoid valve, discharge part
Inert gas；When detecting that the intrinsic pressure of storage tank is excessive, start second solenoid valve, discharge part LNG, and utilize igniting
Device is lighted, and is avoided being spread out over polluting atmosphere in external environment or encountering other open fires and be burnt；The apparatus structure is simple, practical
Property is strong, effectively can play safety anti-explosive effect to LNG storage tank.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the LNG storage tank structural schematic diagram that safety anti-explosive structure is had described in the embodiment of the present invention；
Fig. 2 is the Control system architecture block diagram of the LNG storage tank described in the embodiment of the present invention with safety anti-explosive structure.
Description of symbols:
1- storage tank ontology；2- protective shell；3- first pressure sensor；4- second pressure sensor；5- controller；6- is collected
Tank；The left collecting region of 7-；The right collecting region of 8-；9- escape pipe；10- igniter；11- connecting rod；The first solenoid valve of 12-；The second electricity of 13-
Magnet valve；14- third solenoid valve；15- inert gas holding vessel；16- aspiration pump；17- third gas-guide tube；The first gas-guide tube of 18-；
The second gas-guide tube of 19-；20- partition；21- buzzer siren.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As depicted in figs. 1 and 2, a kind of LNG storage tank with safety anti-explosive structure, including storage tank ontology 1, the storage tank sheet
It is equipped with protective shell 2 on the outside of body 1, first pressure sensor 3 is equipped on the inside of the storage tank ontology 1, is equipped with and receives on the upside of the protective shell 2
Collect tank 6 and controller 5, every equipped with left collecting region 7 and right collecting region 8, the left collecting region 7 passes through 6 inner part of collecting tank
First solenoid valve 12 connects protective shell 2, and the right collecting region 8 connects storage tank ontology 1, the right collection by second solenoid valve 13
8 side of area is equipped with escape pipe 9, and 9 exit of escape pipe is equipped with igniter 10, is equipped with second pressure on the inside of the protective shell 2
Sensor 4, the protective shell 2 are connect by third solenoid valve 14 with inert gas holding vessel 15, the first sensor and the
Two sensors are connected to 5 input terminal of controller, first solenoid valve 12, second solenoid valve 13, third solenoid valve 14 and igniting
Device 10 is connected to 5 output end of controller.
Left collecting region 7 and right collecting region 8 are separated by welding diaphragm 20 inside the collecting tank 6.
The igniter 10 is connected to right 8 side of collecting region by connecting rod 11.
4 quantity of second pressure sensor is multiple, and is evenly distributed in protective shell 2.
The left collecting region 7, which passes through, to be connected between the first solenoid valve 12 by the first gas-guide tube 18.
The right collecting region 8, which passes through, to be connected between second solenoid valve 13 by the second gas-guide tube 19.
It is connected between the inert gas storage tank and third solenoid valve 14 by third gas-guide tube 17, the third air guide
Pipe 17 is equipped with aspiration pump 16.
Buzzer siren 21 is additionally provided on the upside of the protective shell 2, the buzzer siren 21 is connected to the output of controller 5
End.
In the present embodiment, the controller 5 is Siemens 224XP PLC.
The course of work of the present embodiment is as follows:
The pressure that pressure a part that storage tank ontology 1 is subject to generates it from internal LNG, a part come from protective shell
The pressure that inert gas in 2 generates it.When second pressure sensor 4 detects that the pressure in protective shell 2 is excessive, pass through
Controller 5 controls the first solenoid valve 12 and opens, discharge part inert gas to left collecting region 7；When first pressure sensor 3 detects
When excessive to the pressure in storage tank ontology 1, second solenoid valve 13 is controlled by controller 5 and is opened, discharge part LNG to right collection
Area 8, meanwhile, igniter 10 is lighted, so that the LNG burning being discharged from escape pipe 9.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of LNG storage tank with safety anti-explosive structure, it is characterised in that: including storage tank ontology, the storage tank outer body
Equipped with protective shell, it is equipped with first pressure sensor on the inside of the storage tank ontology, is equipped with collecting tank and control on the upside of the protective shell
Device, every being equipped with left collecting region and right collecting region, the left collecting region passes through the connection of the first solenoid valve to be protected the collecting tank inner part
Protective case, the right collecting region by second solenoid valve connect storage tank ontology, the right collecting region side be equipped with escape pipe, it is described go out
Tracheae exit is equipped with igniter, and second pressure sensor is equipped on the inside of the protective shell, and the protective shell passes through third electromagnetism
Valve is connect with inert gas holding vessel, and the first sensor and second sensor are connected to controller input terminal, and described first
Solenoid valve, second solenoid valve, third solenoid valve and igniter are connected to controller output end.
2. a kind of LNG storage tank with safety anti-explosive structure according to claim 1, it is characterised in that: the collecting tank
Inside is separated into left collecting region and right collecting region by welding diaphragm.
3. a kind of LNG storage tank with safety anti-explosive structure according to claim 1, it is characterised in that: the igniter
Right collecting region side is connected to by connecting rod.
4. a kind of LNG storage tank with safety anti-explosive structure according to claim 1, it is characterised in that: second pressure
Force snesor quantity is multiple, and is evenly distributed in protective shell.
5. a kind of LNG storage tank with safety anti-explosive structure according to claim 1, it is characterised in that: the left collection
Area, which passes through, to be connected between the first solenoid valve by the first gas-guide tube.
6. a kind of LNG storage tank with safety anti-explosive structure according to claim 1, it is characterised in that: the right collection
Area, which passes through, to be connected between second solenoid valve by the second gas-guide tube.
7. a kind of LNG storage tank with safety anti-explosive structure according to claim 1, it is characterised in that: the indifferent gas
It is connected between body storage tank and third solenoid valve by third gas-guide tube, the third gas-guide tube is equipped with aspiration pump.
8. a kind of LNG storage tank with safety anti-explosive structure according to claim 1, it is characterised in that: the protective shell
Upside is additionally provided with buzzer siren, and the buzzer siren is connected to controller output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811437264.8A CN109488874A (en) | 2018-11-28 | 2018-11-28 | A kind of LNG storage tank with safety anti-explosive structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811437264.8A CN109488874A (en) | 2018-11-28 | 2018-11-28 | A kind of LNG storage tank with safety anti-explosive structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109488874A true CN109488874A (en) | 2019-03-19 |
Family
ID=65698283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811437264.8A Pending CN109488874A (en) | 2018-11-28 | 2018-11-28 | A kind of LNG storage tank with safety anti-explosive structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488874A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931208A (en) * | 2019-12-05 | 2020-03-27 | 百胜电气有限公司 | Dry-type transformer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1167385A (en) * | 1966-04-27 | 1969-10-15 | Jean Louis Gratzmuller | Safety Arrangement for Containers for Dangerous Gases |
| FR2725008A1 (en) * | 1994-09-26 | 1996-03-29 | Europ Propulsion | Protection of reservoir against explosion risks e.g. for protecting liquid air in transport and storage |
| US20110302923A1 (en) * | 2010-06-09 | 2011-12-15 | Chevron U.S.A. Inc. | Lng transport vessel and method for storing and managing excess boil off gas thereon |
| KR101508628B1 (en) * | 2013-11-08 | 2015-04-08 | 삼성중공업 주식회사 | Boil off gas control apparatus of lng carriers |
| CN206361405U (en) * | 2016-12-30 | 2017-07-28 | 奥美克斯（天津）低温气体设备有限公司 | A kind of LNG storage tank secure processing device |
| CN206409889U (en) * | 2016-12-29 | 2017-08-15 | 天津安吉奥特科技有限公司 | LNG storage tank explosion-proof equipment |
| KR20180083985A (en) * | 2017-01-13 | 2018-07-24 | 코리아로팍스 주식회사 | Gas safety device enabling automatic gas control |
| CN209622460U (en) * | 2018-11-28 | 2019-11-12 | 天津安吉奥特科技有限公司 | A kind of LNG storage tank with safety anti-explosive structure |
-
2018
- 2018-11-28 CN CN201811437264.8A patent/CN109488874A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1167385A (en) * | 1966-04-27 | 1969-10-15 | Jean Louis Gratzmuller | Safety Arrangement for Containers for Dangerous Gases |
| FR2725008A1 (en) * | 1994-09-26 | 1996-03-29 | Europ Propulsion | Protection of reservoir against explosion risks e.g. for protecting liquid air in transport and storage |
| US20110302923A1 (en) * | 2010-06-09 | 2011-12-15 | Chevron U.S.A. Inc. | Lng transport vessel and method for storing and managing excess boil off gas thereon |
| KR101508628B1 (en) * | 2013-11-08 | 2015-04-08 | 삼성중공업 주식회사 | Boil off gas control apparatus of lng carriers |
| CN206409889U (en) * | 2016-12-29 | 2017-08-15 | 天津安吉奥特科技有限公司 | LNG storage tank explosion-proof equipment |
| CN206361405U (en) * | 2016-12-30 | 2017-07-28 | 奥美克斯（天津）低温气体设备有限公司 | A kind of LNG storage tank secure processing device |
| KR20180083985A (en) * | 2017-01-13 | 2018-07-24 | 코리아로팍스 주식회사 | Gas safety device enabling automatic gas control |
| CN209622460U (en) * | 2018-11-28 | 2019-11-12 | 天津安吉奥特科技有限公司 | A kind of LNG storage tank with safety anti-explosive structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931208A (en) * | 2019-12-05 | 2020-03-27 | 百胜电气有限公司 | Dry-type transformer |
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