CN206485549U - A kind of mono- fuel safety governors of LNG peculiar to vessel - Google Patents
A kind of mono- fuel safety governors of LNG peculiar to vessel Download PDFInfo
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- CN206485549U CN206485549U CN201720195391.6U CN201720195391U CN206485549U CN 206485549 U CN206485549 U CN 206485549U CN 201720195391 U CN201720195391 U CN 201720195391U CN 206485549 U CN206485549 U CN 206485549U
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- lng
- gas
- valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
- Y02T70/5218—Less carbon-intensive fuels, e.g. natural gas, biofuels
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A kind of mono- fuel safety governors of LNG peculiar to vessel of the utility model, it includes LNG gas tanks, control cabinet, filling mechanism and gas supply mechanism, filling mechanism includes charging machine, charging machine connects LNG gas tanks both sides medium position by left/right side of a ship pipe, LNG gas tanks, which are additionally provided with, fills feed tube, fill and bottom liquid inlet valve and top liquid feed valve are additionally provided with feed tube, therebetween fill also to connect between feed tube and charging machine is additionally provided with an overflow thermometer on left/right side of a ship pipe, LNG gas tanks；Gas supply mechanism includes two steam lines being located on LNG gas tanks, and steam line connection one vaporizes pressure regulation metering sled, and vaporization pressure regulation metering sled end connection one interlocks gas valve group, and interlocking gas valve group connects an engine；Include a PLC and a binding post in control cabinet, PLC is worked independently using dual controller, and total the utility model has the advantages that safe and reliable, easy to operate, practical.
Description
Technical field
The utility model is related to LNG fuels and energy technical field of ships, and in particular to a kind of mono- fuel of LNG peculiar to vessel is controlled safely
Device processed.
Background technology
LNG fuels and energy ships refer to that filling dress should be equipped with ship of the engine using natural gas as single-fuel, ship
Put and feeder, will be injected into by charging machine after the natural gas liquefaction after liquefaction in storage tank, and be vaporized into naturally through vaporizer
Gas, is delivered to engine for ship by steam line and provides power, volume ratio reaches 5%- in atmosphere due to natural gas
15% scope runs into naked light and easily fired, while the relay control circuit of control pipeline temperature and pressure, does not have touch-control screen display
Show picture, it has not been convenient to operate and check data sheet, LNG air supply systems do not have independent design using a CPU controls, power supply,
Inconvenient operation and there is certain potential safety hazard.
The content of the invention
Controlled safely in order to solve the above technical problems, the purpose of this utility model is the provision of a kind of mono- fuel of LNG peculiar to vessel
Device processed, to solve, existing security is low, cumbersome, check the defects such as inconvenience.
To achieve the above object, a kind of mono- fuel safety governors of LNG peculiar to vessel of the utility model, it includes a LNG gas
Tank, a control cabinet, an a filling mechanism and gas supply mechanism, the filling mechanism include a charging machine, the charging machine by it is left/
Starboard pipe connects the LNG gas tanks both sides medium position, and the return duct fills return-air valve provided with one, and the LNG gas tanks are also
Feed tube is filled provided with a connection left side top and bottom, described fill be additionally provided with a bottom liquid inlet valve and a top on feed tube
Portion's liquid feed valve, filling between the bottom liquid inlet valve and top liquid feed valve also connected between feed tube and the charging machine it is described it is left/
Starboard pipe, the left/right side of a ship pipe fills liquid feed valve and a hand stop valve provided with one, and the LNG gas tanks are pushed up provided with measurement
The gas tank pressure gauge A of the end pressure and gas tank liquid level gauge A of measurement top liquid level, is additionally provided with the gas tank pressure gauge of measurement bottom pressure
An overflow thermometer is additionally provided with B and measurement bottom liquid level gas tank liquid level gauge B, the LNG gas tanks；
The gas supply mechanism includes two steam lines being located on the LNG gas tanks, and the steam line connects a vapour
Change pressure regulation metering sled, the vaporization pressure regulation metering sled end connection one interlocks gas valve group, the interlocking gas valve group connection one
Engine pressure table is additionally provided with engine, the pipeline between the interlocking gas trap and engine；
Include a PLC and a binding post in the control cabinet, the PLC is independent using dual controller
Work, the gas tank pressure gauge A, gas tank liquid level gauge A, gas tank pressure gauge B, gas tank liquid level gauge B, engine pressure table and overflow temperature
Degree meter is electrically connected with described binding post one end, and the PLC is electrically connected with the binding post other end.
Further, the return duct, left/right side of a ship pipe, fill feed tube and steam line and the LNG gas tanks junction
It is equipped with a combustible gas probe.
Further, the vaporization pressure regulation metering sled includes a heat exchanger and a surge tank.
Further, the heat exchanger is water bath type vaporizer.
Further, an air outlet temperature meter, the surge tank end and interlocking gas are provided between the heat exchanger and surge tank
An outlet pressure table is additionally provided with pipeline between body valve, the air outlet temperature meter and outlet pressure table are electrically connected with binding post one
End, the other end is electrically connected with the PLC.
Further, the interlocking gas valve group is made up of two interlock valves and a vent valve, and it is mutual that the vent valve is located at two
On pipeline between locking-valve.
Further, touch-screen, isolating safety grid, Switching Power Supply, breaker, relay are additionally provided with the control cabinet
Device, fuse, radiator fan, button, control cabinet panel and control cabinet original paper plate, the touch-screen, button are arranged on control cabinet
Panel front, the Switching Power Supply is arranged on control cabinet back side of panel and is multi-channel switch power, PLC, isolated peace
Full grid, breaker, relay, fuse, binding post are arranged on control cabinet original paper plate, and the radiator fan is arranged on control
Case right flank.
Further, the LNG gas tanks upper end connects a storage tank booster output end by conduit insertion, and the storage tank increases
Depressor input connects the LNG gas tanks bottom.
Further, it is additionally provided with a liquid valve on the steam line.
Further, the LNG gas tanks, return duct, left/right side of a ship pipe, fill feed tube, steam line inwall using resistance to
Cryogenic material.
Compared with prior art, its advantage is the utility model：A kind of mono- fuel peaces of LNG peculiar to vessel of the present utility model
Full controller, PLC is worked independently using dual controller, and left and right main frame works independently, if a main frame occurs
Failure does not influence another main frame to run, and Switching Power Supply is powered using multi-channel switch power to control cabinet, prevents electric all the way
System cisco unity malfunction during the failure of source；Isolating safety grid is isolated to the signal of hazardous area and place of safety, prevents safety
The high current in area, big voltage signal cause potential safety hazard into hazardous area；Touch-screen not only causes operating personnel to operate more
Plus it is convenient, and control cabinet shows each thermometer and manometric data in time so that when operating personnel check data also more
It is blunt；
Larboard pipe and starboard pipe can be filled to LNG gas tanks, and when can prevent a failure, another can
To ensure the normal work of filling mechanism, while steam line is corresponded with engine, it is ensured that relatively independent, the safety of supply
Reliably, and the maintaining in later stage is facilitated；Heat exchanger can carry out preheating vaporization in supply, and surge tank can adjust stream and adjust
Pressure, it is ensured that be supplied to the gas of engine to reach the supply gas pressure of standard, total the utility model has safe and reliable, operation side
Just, practical advantage.
Brief description of the drawings
Fig. 1 is a kind of fuel system schematic diagram of the mono- fuel safety governors of LNG peculiar to vessel of the utility model；
Fig. 2 is loading system schematic diagram of the present utility model；
Fig. 3 is air supply system schematic diagram of the present utility model.
In figure：1st, LNG gas tanks 2, control cabinet 3, charging machine 4, return duct 5, fill return-air valve 7, fill feed tube
701st, bottom liquid inlet valve 702, top liquid feed valve 8, left/right side of a ship pipe 9, fill liquid feed valve 10, hand stop valve 11, gas tank
Pressure gauge A 12, gas tank liquid level gauge A 13, gas tank pressure gauge B 14, gas tank liquid level gauge B 15, overflow thermometer 16, air supply pipe
Road 17, vaporization pressure regulation metering sled 1701, heat exchanger 1702, surge tank 18, interlocking gas valve group 1801, interlock valve
1802nd, vent valve 19, engine 20, combustible gas probe 21, storage tank booster 22, air outlet temperature meter 23, go out air pressure
Power table 24, liquid valve 25, engine pressure table.
Embodiment
To describe technology contents, construction feature, institute's reached purpose and effect of the utility model in detail, reality is hereby enumerated below
Apply example and coordinate accompanying drawing to be explained in detail.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of description the utility model and simplifies description, rather than indicate or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
Refer to shown in Fig. 1, and with reference to shown in Fig. 2 and Fig. 3, the utility model provides a kind of mono- fuel safety of LNG peculiar to vessel
Controller, it includes a LNG gas tanks (1), a control cabinet (2), a filling mechanism and a gas supply mechanism, and the filling mechanism includes
One charging machine (3), the charging machine (3) connects LNG gas tanks (1) both sides medium position by left/right side of a ship pipe (8), described
Return duct (4) fills return-air valve (5) provided with one, and the LNG gas tanks (1) are additionally provided with filling for top and bottom on the left of a connection
Feed tube (7), described fill is additionally provided with a bottom liquid inlet valve (701) and a top liquid feed valve (702) on feed tube (7), described
Filling between bottom liquid inlet valve (701) and top liquid feed valve (702) also connects described between feed tube (7) and the charging machine (3)
Left/right side of a ship pipe (8), the left/right side of a ship pipe (8) fills liquid feed valve (9) and a hand stop valve (10), the LNG provided with one
Gas tank pressure gauge A (11) and measurement top liquid level of the gas tank (1) provided with measurement top pressure gas tank liquid level gauge A (12), also
The gas tank liquid level gauge B (14) of gas tank pressure gauge B (13) and measurement bottom liquid level provided with measurement bottom pressure, the LNG gas tanks
(1) an overflow thermometer (15) is additionally provided with；
The gas supply mechanism includes two steam lines (16) being located on the LNG gas tanks (1), the steam line
(16) connection one vaporizes pressure regulation metering sled (17), and vaporization pressure regulation metering sled (17) end connection one interlocks gas valve group
(18), the interlocking gas valve group (18) connects an engine (19), between the interlocking gas trap (18) and engine (19)
Engine pressure table (25) is additionally provided with pipeline；
Include a PLC and a binding post in the control cabinet (2), the PLC uses dual controller
Work independently, the gas tank pressure gauge A, gas tank liquid level gauge A, gas tank pressure gauge B, gas tank liquid level gauge B, engine pressure table and overflow
Stream thermometer is electrically connected with described binding post one end, and the PLC is electrically connected with the binding post other end.
Further, the return duct (4), left/right side of a ship pipe (8), fill feed tube (7) and steam line (16) with it is described
LNG gas tanks (1) junction is equipped with a combustible gas probe (20).
Further, the vaporization pressure regulation metering sled (17) includes a heat exchanger (1701) and a surge tank (1702).
Further, the heat exchanger (1701) is water bath type vaporizer.
Further, an air outlet temperature meter (22) is provided between the heat exchanger (1701) and surge tank (1702), it is described slow
Rush on the pipeline between tank (1702) end and interlocking gas trap (18) and be additionally provided with an outlet pressure table (23), the air outlet temperature meter
(22) and outlet pressure table (23) is electrically connected with binding post one end, the other end is electrically connected with the PLC.
Further, the interlocking gas valve group (18) is made up of two interlock valves (1801) and a vent valve (1802), institute
State on the pipeline that vent valve (1802) is located between two interlock valves (1801).
Further, be additionally provided with the control cabinet (2) touch-screen, isolating safety grid, Switching Power Supply, breaker, after
Electrical equipment, fuse, radiator fan, button, control cabinet panel and control cabinet original paper plate, the touch-screen, button are arranged on control
Case panel front, the Switching Power Supply is arranged on control cabinet back side of panel and for multi-channel switch power, PLC, isolated
Guard grating, breaker, relay, fuse, binding post are arranged on control cabinet original paper plate, and the radiator fan is arranged on control
Case (2) right flank processed.
Further, LNG gas tanks (1) upper end connects storage tank booster (21) output end, institute by conduit insertion
State storage tank booster (21) input and connect LNG gas tanks (1) bottom.
Further, it is additionally provided with a liquid valve (24) on the steam line (16).
Further, the LNG gas tanks (1), return duct (4), left/right side of a ship pipe (8), fill feed tube (7), steam line
(16) inwall uses low temperature material.
When being filled to ship, inflated with nitrogen can be carried out to LNG gas tanks by storage tank booster, so not only can be right
LNG gas tanks carry out precooling treatment, prevent charging machine from filling heated vaporization during natural gas, while can will be unnecessary in LNG gas tanks
Gas is discharged, it is ensured that the degree of purity after filling；When being supplied to engine, heat exchanger can be handled liquefied LNG vaporization,
And by pressure regulation valve regulation to certain pressure after, directly engine is supplied, controller can with real-time reception each
Thermometer and manometric data, and operation processing is carried out on the touchscreen, whole process just becomes apparent from and convenient, combustible gas
Bulk detector helps to detect potential potential safety hazard in time, it is ensured that the security during use.
In summary, the only preferred embodiment of the utility model, does not limit protection domain of the present utility model with this, all
The equivalent changes and modifications made according to the utility model the scope of the claims and description, is all that the utility model patent covers
Within the scope of.
Claims (10)
1. a kind of mono- fuel safety governors of LNG peculiar to vessel, it includes a LNG gas tanks, a control cabinet, a filling mechanism and a supply
Mechanism, it is characterised in that：The filling mechanism includes a charging machine, and the charging machine connects the LNG gas by left/right side of a ship pipe
Tank both sides medium position, the return duct fills return-air valve provided with one, the LNG gas tanks be additionally provided with the left of a connection top and
Bottom fills feed tube, and described fill is additionally provided with a bottom liquid inlet valve and a top liquid feed valve on feed tube, the bottom is entered
Filling between liquid valve and top liquid feed valve also connects the left/right side of a ship pipe, the left/right side of a ship pipe between feed tube and the charging machine
Fill liquid feed valve and a hand stop valve provided with one, gas tank pressure gauge A of the LNG gas tanks provided with measurement top pressure and
The gas tank liquid level gauge A of top liquid level is measured, the gas tank pressure gauge B of measurement bottom pressure and the gas tank of measurement bottom liquid level is additionally provided with
An overflow thermometer is additionally provided with liquid level gauge B, the LNG gas tanks；
The gas supply mechanism includes two steam lines being located on the LNG gas tanks, and the vaporization of steam line connection one is adjusted
Pressure metering sled, the vaporization pressure regulation metering sled end connection one interlocks gas valve group, and the interlocking gas valve group connection one is started
Engine pressure table is additionally provided with machine, the pipeline between the interlocking gas trap and engine；
Include a PLC and a binding post in the control cabinet, the PLC uses dual controller independence work
Make, the gas tank pressure gauge A, gas tank liquid level gauge A, gas tank pressure gauge B, gas tank liquid level gauge B, engine pressure table and overflow temperature
Meter is electrically connected with described binding post one end, and the PLC is electrically connected with the binding post other end.
2. a kind of mono- fuel safety governors of LNG peculiar to vessel according to claim 1, it is characterised in that：The return duct,
Left/right side of a ship pipe, fill feed tube and steam line and be equipped with a combustible gas probe with the LNG gas tanks junction.
3. a kind of mono- fuel safety governors of LNG peculiar to vessel according to claim 1, it is characterised in that：The vaporization pressure regulation
Metering sled includes a heat exchanger and a surge tank.
4. a kind of mono- fuel safety governors of LNG peculiar to vessel according to claim 3, it is characterised in that：The heat exchanger is
Water bath type vaporizer.
5. a kind of mono- fuel safety governors of LNG peculiar to vessel according to claim 3, it is characterised in that：The heat exchanger and
It is provided between surge tank on an air outlet temperature meter, the pipeline between the surge tank end and interlocking gas trap and is additionally provided with an outlet pressure
Table, the air outlet temperature meter and outlet pressure table are electrically connected with binding post one end, and the other end is electrically connected with the PLC controls
Device.
6. a kind of mono- fuel safety governors of LNG peculiar to vessel according to claim 1, it is characterised in that：The interlocking gas
Valve group is made up of two interlock valves and a vent valve, and the vent valve is located on the pipeline between two interlock valves.
7. a kind of mono- fuel safety governors of LNG peculiar to vessel according to claim 1, it is characterised in that：In the control cabinet
It is additionally provided with touch-screen, isolating safety grid, Switching Power Supply, breaker, relay, fuse, radiator fan, button, control cabinet
Panel and control cabinet original paper plate, the touch-screen, button are arranged on control cabinet panel front, and the Switching Power Supply is arranged on control
Case back side of panel and for multi-channel switch power, PLC, isolating safety grid, breaker, relay, fuse, terminals
Son is arranged on control cabinet original paper plate, and the radiator fan is arranged on control cabinet right flank.
8. a kind of mono- fuel safety governors of LNG peculiar to vessel according to claim 1, it is characterised in that：On the LNG gas tanks
End connects a storage tank booster output end by conduit insertion, and the storage tank booster input connects the LNG gas tanks bottom.
9. a kind of mono- fuel safety governors of LNG peculiar to vessel according to claim 1, it is characterised in that：The steam line
On be additionally provided with a liquid valve.
10. a kind of mono- fuel safety governors of LNG peculiar to vessel according to claim 1, it is characterised in that：The LNG gas tanks,
Return duct, left/right side of a ship pipe, fill feed tube, steam line inwall use low temperature material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195391.6U CN206485549U (en) | 2017-03-02 | 2017-03-02 | A kind of mono- fuel safety governors of LNG peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195391.6U CN206485549U (en) | 2017-03-02 | 2017-03-02 | A kind of mono- fuel safety governors of LNG peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206485549U true CN206485549U (en) | 2017-09-12 |
Family
ID=59763301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720195391.6U Expired - Fee Related CN206485549U (en) | 2017-03-02 | 2017-03-02 | A kind of mono- fuel safety governors of LNG peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206485549U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239697A (en) * | 2019-07-01 | 2019-09-17 | 北部湾大学 | A kind of double dynamical ship air supply system |
| CN111452943A (en) * | 2019-01-22 | 2020-07-28 | 中国船舶重工集团公司第七一九研究所 | Ventilation system for nuclear area of marine nuclear power platform |
-
2017
- 2017-03-02 CN CN201720195391.6U patent/CN206485549U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452943A (en) * | 2019-01-22 | 2020-07-28 | 中国船舶重工集团公司第七一九研究所 | Ventilation system for nuclear area of marine nuclear power platform |
| CN110239697A (en) * | 2019-07-01 | 2019-09-17 | 北部湾大学 | A kind of double dynamical ship air supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20200302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |