CN207865031U - LNG fuel air supply system peculiar to vessel - Google Patents
LNG fuel air supply system peculiar to vessel Download PDFInfo
- Publication number
- CN207865031U CN207865031U CN201820240398.XU CN201820240398U CN207865031U CN 207865031 U CN207865031 U CN 207865031U CN 201820240398 U CN201820240398 U CN 201820240398U CN 207865031 U CN207865031 U CN 207865031U
- Authority
- CN
- China
- Prior art keywords
- gasification
- tank body
- outlet
- lng
- air supply
- 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.)
- Withdrawn - After Issue
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 35
- 238000002309 gasification Methods 0.000 claims abstract description 83
- 238000009434 installation Methods 0.000 claims abstract description 60
- 239000002828 fuel tank Substances 0.000 claims abstract description 50
- 239000007789 gas Substances 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 16
- 238000001802 infusion Methods 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 239000012774 insulation material Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 10
- 239000003345 natural gas Substances 0.000 abstract description 5
- 239000002737 fuel gas Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 208000005156 Dehydration Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a kind of LNG fuel air supply system peculiar to vessel, including fuel tank case and gasification pry regulator；Fuel tank case includes the frame of tank body and support tank body；The pry regulator that gasifies includes skid, and the gasification installation and surge tank being installed in skid；The gasification tunnel for being equipped with the cooling duct for the host recirculated water flowing of ship in gasification installation and gasifying for LNG absorption host recirculated water heats；Gasification installation is equipped with inlet, gas outlet and supercharging gas port, the inlet of gasification installation is connected with the liquid outlet of tank body, the supercharging gas port of gasification installation is connected with the gas returning port of tank body, and the buffered tank in gas outlet of gasification installation provides gaseous fuel to the host of ship.The utility model fuel tank case is replaceable, and fuel adding is convenient；LNG gasification is carried out using ship self energy, reduces extra power consumption, while gasification also avoids the pollution to external environment, carrying out tank body using gasification natural gas increases supercharging, and system operation is more stable.
Description
Technical field
The utility model is related to the fuel of LNG powered ships to supply field, more particularly to a kind of LNG fuel gas supply peculiar to vessel system
System.
Background technology
The ship using LNG as fuels and energy is generally fixedly mounted on using c-type fuel tank on ship at present, when need into
When row LNG fuel addings, harbour is filled or by the progress fuel adding of LNG filling landing stage by being accommodated to special LNG.
The pattern that LNG powered ship fuel addings are relatively good is carried out using LNG filling landing stage, but since LNG fills ship
Cost of investment it is very high, LNG powered ships put into operation after quantity reaches a certain amount of only in navigation area, can just consider to build
Fill ship.At present build up put into operation LNG filling landing stage it is considerably less, the fuel adding of LNG powered ships mainly or use former
Mode, i.e. powered ship are accommodated to harbour and are filled from fuel tank of the bank base filling station on ship.But powered ship makes moist
Rise, the influence of lakie, can not often determine and berth, and LNG conveyance conduits should not extend and stretch, bank base filling station adds to ship
Gas is there are larger difficulty, and it is long to there is the filling time, the disadvantage more than security risk, cause the large-scale applications of LNG Power Vessels by
It is serious to restrict.
To solve the above problems, there is scheme, as fuel tank, combustion to be provided for LNG powered ships using tank container at present
Material, but there are itself to run consumed resource is higher, environmental pollution hidden danger is excessive etc. for existing fuel tank case air supply system
Disadvantage causes LNG fuel tank case to fail to use on a large scale.
Utility model content
Based on above-mentioned background, the utility model provides a kind of LNG fuel air supply system peculiar to vessel based on fuel tank case, solves
Fuel tank case air supply system self-operating consumes the problem that resource is high, environmental pollution hidden danger is big in the prior art.
In order to solve the above technical problems, the utility model adopts the following technical solution：A kind of LNG fuel gas supply peculiar to vessel system
System, including fuel tank case and gasification pry regulator；Fuel tank case includes the tank body for containing LNG and the frame for supporting the tank body
Frame；The pry regulator that gasifies includes skid, and the gasification installation and surge tank being installed in skid；It is equipped with and supplies in the gasification installation
The cooling duct of the host recirculated water flowing of ship and the gasification tunnel to gasify for LNG absorption host recirculated water heats；Phase
Cooling duct described in Ying Yu, the gasification installation are equipped with the inlet and outlet for access host circulation；Phase
Gasification tunnel described in Ying Yu, gasification installation are equipped with inlet, gas outlet and supercharging gas port, the import of inlet and gasification tunnel
It communicates, gas outlet is connected to the outlet of gasification tunnel with supercharging gas port；The inlet of the gasification installation goes out with the tank body
Liquid mouth is connected, and the supercharging gas port of the gasification installation is connected with the gas returning port of the tank body, the outlet of the gasification installation
Mouth is connected with the import of the surge tank, and the outlet of the surge tank is for connecting the host of ship to provide gaseous fuel.
More preferably, the air supply system further includes filling sled；The sled that fills is installed close to the fuel tank case；It is described to fill
Dress sled includes filling frame and integrated installation in filling infusion pipeline and the first return line in frame；The woven hose
It is connected by pipeline between the import on road and the liquid outlet of the tank body, the outlet of the infusion pipeline and the gasification installation
Inlet between be connected by pipeline；Between the import of first return line and the supercharging gas port of the gasification installation
It is connected by pipeline, the outlet of first return line is connected between the gas returning port of the tank body by pipeline.
More preferably, the sled that fills further includes charging line and the second return line；The outlet of the charging line and institute
The inlet for stating tank body is connected by pipeline, and the import of the charging line is for connecting external filing provision；Described second
The import of return line is connected with the gas returning port of the tank body by pipeline, and the outlet of second return line is for connecting
External filing provision.
More preferably, each connecting pipe filled between sled and the tank body is used by stainless steel tube and metal hose
The combined pipe of composition.
More preferably, each connecting pipe filled between sled and the gasification installation is stainless steel pipes, and stainless steel
Pipeline outer wrapping flexibility cold insulation material.
More preferably, the bottom for filling frame and the bottom of the skid are equipped with insulating pad.
More preferably, the installation site of the gasification installation is less than the fuel tank case, and the gas outlet of the gasification installation is low
In the liquid outlet of the tank body.
More preferably, the tank body has bottom outlet tube, and bottom outlet tube is double-wall pipe, including inner tube and is surrounded on outside inner tube
Outer tube, inner tube are connected to the tank interior, and airtight cavity is formed between outer tube and inner tube.
More preferably, nitrogen is filled in the airtight cavity, the double-wall pipe is also associated with detection device, the detection dress
It sets and is connected to the airtight cavity to detect whether said inner tube leaks.
More preferably, the outer tube is equipped with detection hole；The detection device includes sampling line, pressure transmitter and flammable
Gas analyzer, the sampling line are installed at the detection hole, and are connected to the airtight cavity to the pressure transmitter
With analysis of combustible gases instrument.
As shown from the above technical solution, the utility model has the following advantages that and good effect：The utility model it is peculiar to vessel
LNG fuel air supply systems store LNG using fuel tank case, and LNG is used as marine main engine fuel after gasification, required supplementation with
When LNG fuel, by the fuel tank case more renewed, old fuel tank case can be hoisted to be filled on the bank, fuel adding
It is more convenient, it is filled in ship without being limited to.Wherein, gasification installation is connected to ship using inlet and outlet
Host circulation, by gasification installation string access host circulation, directly providing heat using host recirculated water makes
LNG gasification is recycled using ship itself clear energy sources, promotes the utilization rate of resource, reduces extra power consumption；LNG gas
Change process avoids in LNG impurity component loss from being discharged into external environment with intermediate medium and causes dirt to environment not by intermediate medium
Dye, reduces environmental pollution danger factors, good environmental protection.Meanwhile a part of gases of the LNG after gasification installation gasifies is through increasing
Mouth of calming the anger is transmitted back to fuel tank case, is pressurized to tank body, promotes LNG stream speed, ensures the pumping rate when operation of fuel tank case,
Conducive to the even running of air supply system, marine main engine fuel security of supply is improved；Tank body, from supercharging equipment, simplifies without setting
Fuel tank box structure is convenient for the dismounting and transport of fuel tank case.Fuel tank case and gasification pry regulator are integrated module knot
Structure, the arrangement installation on ship are more convenient.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model LNG fuel air supply system preferred embodiment peculiar to vessel.
Fig. 2 is arrangement schematic diagram of the utility model LNG fuel air supply system preferred embodiment peculiar to vessel on ship.
Fig. 3 is the structural schematic diagram of tank body outlet tube in the utility model LNG fuel air supply system preferred embodiment peculiar to vessel.
The reference numerals are as follows：10, air supply system；1, fuel tank case；11, tank body；111, outlet tube；1111, inner tube；
1112, outer tube；115, detection device；1151, sampling line；1152, pressure transmitter；1153, pressure needle valve；1154, it follows
Ring gas needle valve；12, frame；121, corner fittings；2, gasify pry regulator；21, skid；22, gasification installation；221, water inlet；
222, water outlet；23, surge tank；3, sled is filled；34, installation frame；35, pipeline valve member；301, connecting pipe；302, connecting tube
Road；303, cold insulation material；50, ship；501, host；502, open deck；503, flat；505, water circulating pump；506、
Insulating pad.
Specific implementation mode
Embodying the exemplary embodiment of the utility model features and advantages will describe in detail in the following description.It should be understood that
To be the utility model can have various variations in different embodiments, all do not depart from the model of the utility model
It encloses, and the descriptions and illustrations are essentially for illustration purposes, rather than to limit the utility model.
Include mainly fuel tank case 1, gasify and adjust with Fig. 2, the LNG fuel air supply system peculiar to vessel 10 of the present embodiment refering to fig. 1
Pressure prizes 2 and fills sled 3.Fuel tank case 1 is replaceable tank container structure, interior to contain LNG fuel.Gasify pry regulator 2
The heat provided using the host recirculated water of ship 50 makes LNG gasification, and the natural gas after gasification is adjusted to suitable pressure
The host 501 for being conveyed to ship 50 is used as fuel, to provide ship 50 power.3 integrated pipeline valve member equipment of sled are filled,
The communicating passage that fuel tank case 1 is established between the pry regulator 2 that gasifies, and replaced convenient for the installation of fuel tank case 1.
Specifically, fuel tank case 1 includes for containing the tank body 11 of LNG and supporting the frame 12 of tank body 11.Utilize frame
Corner fittings 121 on 12, the lifting and the locking on ship 50 that can be convenient for fuel tank case 1, realizes quickly tearing open for fuel tank case 1
It unloads, install, while also ensureing stability of the fuel tank case 1 on ship 50.
Tank body 11 is equipped with the inlet tube and outlet tube that are communicated with its internal liquid phase space, and with its internal gas-phase space
The muffler communicated.Inlet tube, outlet tube and muffler are located at the corresponding feed liquor for constituting tank body 11 respectively of the nozzle outside tank body 11
Mouth, liquid outlet and gas returning port.
Refering to Fig. 3, in the present embodiment, outlet tube 111 is bottom outlet tube, i.e. outlet tube 111 goes out liquid from 11 bottom of tank body, goes out
Liquid pipe 111 uses double-wall pipe structure, including inner tube 1111 and the outer tube 1112 that is surrounded on outside inner tube 1111.Inner tube 1111 and tank body
11 inside connections, airtight cavity is formed between outer tube 1112 and inner tube 1111.Such as there are LNG leak cases, LNG is first leaked to close
It seals in cavity, shields the situation that cryogenic liquid is leaking directly on hull and occur, prevent Ship Structure by Cold water stress.Using this
Double-wall pipe structure can exempt the airtight ice chest of fuel tank case 1, simplify 1 valve box structure of fuel tank case, meet 1 water of fuel tank case
Lu Lianyun requirements.
Further, nitrogen, nitrogen pressure substantially 0.5bar~1bar are filled in airtight cavity.It is set on outer tube 1112
There are one or multiple detection holes, and by detection hole connecting detection device 115, detection device 115 is connected to airtight cavity to examine
Inner tube 1111 is surveyed with the presence or absence of leakage, lifting system safety.
More preferably, detection device 115 includes sampling line 1151, pressure transmitter 1152 and analysis of combustible gases instrument (figure
In be not shown), sampling line 1151 is welded at detection hole, connection airtight cavity to pressure transmitter 1152 and fuel gas point
Analyzer.Pressure needle valve 1153 and recyclegas needle valve 1154 are set on sampling line 1151, to realize pressure detecting respectively
Sampling and analysis of combustible gases sampling, pressure transmitter 1152 are installed on 1151 end of sampling line, monitor airtight cavity in real time
Interior pressure change, analysis of combustible gases instrument tests and analyzes in due course whether there is fuel gas in sample gas.
Refering to fig. 1 and Fig. 2, gasification pry regulator 2 include skid 21, gasification installation 22, surge tank 23, voltage-regulating system (in figure
Non- label) and structures such as necessary pipe-line system (non-label in figure), each structure assembly be installed in skid 21 formed it is whole
Module, convenient for the installation on hull.
Cooling duct and gasification tunnel are equipped in gasification installation 22, host recirculated water flows in cooling duct, to entrance
LNG in gasification tunnel provides heat, makes LNG gasification.Meanwhile host recirculated water is also cooled down, and is conveyed to master after processing
Machine 501 cools down host 501, promotes the utilization rate of resource, reduces energy expenditure.
Corresponding to cooling duct, water inlet 221 and water outlet 222 are respectively equipped on gasification installation 22；Water inlet 221 is arranged
In the lower part of 22 shell of gasification installation, the outlet for connecting host recirculated water；Water outlet 222 is set to 22 shell of gasification installation
Top, for connecting host circulating water intake.More preferably, water inlet 221 and water outlet 222 are all made of flange arrangement, are convenient for
Pass through pipeline access host circulation.The mobilization dynamic of host recirculated water is provided by water circulating pump 505.
Corresponding to gasification tunnel, gasification installation 22 is equipped with inlet, gas outlet and supercharging gas port.Inlet is logical with gasification
The import in road communicates, and gas outlet is connected to the outlet of gasification tunnel with supercharging gas port.
Natural gas after the caching gasification of surge tank 23, import are connected with the gas outlet of gasification installation 22, and outlet is logical
Piping is connected to the host 501 of ship 50, to provide fuel gas to the host 501 of ship 50.Voltage-regulating system is set to slow
It rushes on tank 23 to the pipeline of 50 host 501 of ship, natural gas is adjusted to by suitable pressure by pressure regulator.
Referring still to Fig. 1 and Fig. 2, it includes installation frame 34 to fill sled 3, and the pipeline valve being integrated in installation frame 34
Part 35.Wherein, each pipeline includes infusion pipeline, filling pipeline, the first return line, second return line etc..Root on each pipeline
According to needing that corresponding valve member is arranged.
Infusion pipeline and the first return line match, and establish the interface channel between fuel tank case 1 and gasification installation 22,
Improve LNG gasification efficiency.
Wherein, infusion pipeline is by the LNG in fuel tank case 1 to be delivered to gasification installation 22, the import of infusion pipeline with
The liquid outlet of tank body 11 is connected by pipeline and is connected, and the outlet of infusion pipeline passes through pipeline with the inlet of gasification installation 22
It connects and is connected.
First return line to by gasification after the defeated batch can case 1 that strile-backs of natural gas, to tank body 11 be pressurized, to improve tank
Body 11 goes out liquid speed degree, promotes LNG gasification efficiency.The import of first return line passes through pipe with the supercharging gas port of gasification installation 22
Road connects and is connected, and the outlet of the first return line is connected by connection by pipeline with the gas returning port of tank body 11.
Filling pipeline and the second return line match, and the connection established between fuel tank case 1 and external filing provision is logical
Road.The outside filing provision can be filling landing stage or bank base filling station, meet the filling item of external filing provision in ship 50
When part, directly fuel tank case 1 can be filled by filling pipeline and the external filing provision of the second return line connection.
Wherein, it fills by the outlet of pipeline is connect with the inlet of tank body 11 by pipeline and is connected, the second return line
Import be connected by connect by pipeline with the gas returning port of tank body 11.When being filled to tank body 11, external filing provision
LNG enter in tank body 11 through filling pipeline, the second return line makes real between 11 gas-phase space of tank body and external filing provision
Existing pressure balance ensures filling rate.
The air supply system 10 of the present embodiment is on ship 50 in use, fuel tank case 1 is installed on ship 50 with sled 3 is filled
On open deck 502, fill sled 3 close to fuel tank case 1 install, fuel tank case 1 can be arranged it is multiple, respectively with fill sled 3 phase
Pipeline is answered to form connection.Gasification pry regulator 2 is installed on the flat 503 inside ship 50, and installation site is less than fuel tank
Enough liquid level height difference is formed between case 1, with fuel tank case 1, the gas outlet of gasification installation 22 is less than the liquid outlet of tank body 11, protects
The pumping rate for having demonstrate,proved tank body 11 when fuel tank case 1 is run, is conducive to the even running of gasification installation 22.
Fuel tank case 1 is locked by container angle lock with open deck 502.Fill sled 3 34 bottom of installation frame with
And 21 bottom of skid of gasification pry regulator 2 is respectively provided with insulating pad 506, insulating pad 506 is installed on the correspondence deck of ship 50
On, transmission of the cold to 50 deck of ship is completely cut off by insulating pad 506, prevents leakage from damaging Ship Structure.
In the air supply system 10 of the present embodiment, fuel tank case 1, gasification pry regulator 2 and to fill sled 3 be integrated module
Structure is respectively arranged after on ship 50, then each modular structure is connected into total system using corresponding connecting pipe,
It is easy for construction.Fuel tank case 1, the pry regulator 2 that gasifies and each connecting pipe filled between sled 3 use flange docking structure, connection
Simplicity installs flinger ring on each flange, prevents liquid splash.
Fill between sled 3 and gasification pry regulator 2 connecting pipe 302 (i.e. infusion pipeline and 22 inlet of gasification installation it
Between pipeline and the first return line and gasification installation 22 be pressurized the pipeline between gas port) pass through the open deck of ship 50
502, stainless steel pipes can be used in each connecting pipe 302, and outer layer covers flexibility cold insulation material 303 prevents pipeline subcooled liquid from damaging
Hinder hull.
Each connecting pipe 301 between sled 3 and tank body 11 is filled using the combination being made of stainless steel tube and metal hose
Pipeline so that can misplace and dock between the inlet of tank body 11, liquid outlet, gas returning port and the respective line for filling sled 3, be convenient for
After refuelling tank case 1 with fill sled 3 connection.
Although describing the utility model with reference to several exemplary embodiments, it is to be understood that, term used is to say
Term bright and exemplary, and not restrictive.Since the utility model can in a variety of forms be embodied without departing from practicality
Novel spirit or essence, it should therefore be appreciated that the above embodiment is not limited to any details above-mentioned, and should be in accompanying right
Widely explained in spirit and scope defined by it is required that, thus fall into whole variations in claim or its equivalent scope and
Remodeling all should be appended claims and be covered.
Claims (10)
1. a kind of LNG fuel air supply system peculiar to vessel, which is characterized in that including：
Fuel tank case includes the tank body for containing LNG and the frame for supporting the tank body；
Gasify pry regulator, including skid, and the gasification installation and surge tank being installed in skid；It is equipped in the gasification installation
The cooling duct flowed for the host recirculated water of ship and the gasification tunnel to gasify for LNG absorption host recirculated water heats；
Corresponding to the cooling duct, the gasification installation is equipped with the inlet and outlet for access host circulation；
Corresponding to the gasification tunnel, gasification installation is equipped with inlet, gas outlet and supercharging gas port, inlet and gasification tunnel into
Mouth communicates, and gas outlet is connected to the outlet of gasification tunnel with supercharging gas port；
The inlet of the gasification installation is connected with the liquid outlet of the tank body, the supercharging gas port of the gasification installation with it is described
The gas returning port of tank body is connected, and the gas outlet of the gasification installation is connected with the import of the surge tank, the surge tank
Outlet is for connecting the host of ship to provide gaseous fuel.
2. LNG fuel air supply system peculiar to vessel according to claim 1, which is characterized in that the air supply system further includes filling
Dress sled；The sled that fills is installed close to the fuel tank case；
The sled that fills includes filling frame and integrated installation in filling infusion pipeline and the first return line in frame；
It is connected by pipeline between the import of the infusion pipeline and the liquid outlet of the tank body, the outlet of the infusion pipeline
It is connected by pipeline between the inlet of the gasification installation；
It is connected by pipeline between the import of first return line and the supercharging gas port of the gasification installation, described first
The outlet of return line is connected between the gas returning port of the tank body by pipeline.
3. LNG fuel air supply system peculiar to vessel according to claim 2, which is characterized in that the sled that fills further includes filling
Pipeline and the second return line；
The outlet of the charging line is connected with the inlet of the tank body by pipeline, and the import of the charging line is used for
The external filing provision of connection；
The import of second return line is connected with the gas returning port of the tank body by pipeline, second return line
Outlet is for connecting external filing provision.
4. LNG fuel air supply system peculiar to vessel according to claim 3, which is characterized in that described to fill sled and the tank body
Between each connecting pipe use the combined pipe that is made of stainless steel tube and metal hose.
5. LNG fuel air supply system peculiar to vessel according to claim 2, which is characterized in that described to fill sled and the gasification
Each connecting pipe between device is stainless steel pipes, and stainless steel pipes outer wrapping flexibility cold insulation material.
6. LNG fuel air supply system peculiar to vessel according to claim 2, the bottom for filling frame and the skid
Bottom is equipped with insulating pad.
7. LNG fuel air supply system peculiar to vessel according to claim 1, which is characterized in that the installation position of the gasification installation
It sets low in the fuel tank case, the gas outlet of the gasification installation is less than the liquid outlet of the tank body.
8. LNG fuel air supply system peculiar to vessel according to claim 1, which is characterized in that the tank body has bottom outlet tube,
Bottom outlet tube is double-wall pipe, including inner tube and the outer tube that is surrounded on outside inner tube, inner tube are connected to the tank interior, outer tube with it is interior
Airtight cavity is formed between pipe.
9. LNG fuel air supply system peculiar to vessel according to claim 8, which is characterized in that be filled in the airtight cavity
Nitrogen, the double-wall pipe are also associated with detection device, and the detection device is connected to the airtight cavity to detect said inner tube
Whether leak.
10. LNG fuel air supply system peculiar to vessel according to claim 9, which is characterized in that the outer tube is equipped with detection
Hole；The detection device includes sampling line, pressure transmitter and analysis of combustible gases instrument, and the sampling line is installed on described
At detection hole, and the airtight cavity is connected to the pressure transmitter and analysis of combustible gases instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240398.XU CN207865031U (en) | 2018-02-08 | 2018-02-08 | LNG fuel air supply system peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240398.XU CN207865031U (en) | 2018-02-08 | 2018-02-08 | LNG fuel air supply system peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207865031U true CN207865031U (en) | 2018-09-14 |
Family
ID=63457025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820240398.XU Withdrawn - After Issue CN207865031U (en) | 2018-02-08 | 2018-02-08 | LNG fuel air supply system peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207865031U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194835A (en) * | 2018-02-08 | 2018-06-22 | 南通中集能源装备有限公司 | LNG fuel air supply system peculiar to vessel |
| CN112050081A (en) * | 2020-09-22 | 2020-12-08 | 华润（南京）市政设计有限公司 | Movable type acceptance and feeding and discharging device for dual-fuel ship |
-
2018
- 2018-02-08 CN CN201820240398.XU patent/CN207865031U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194835A (en) * | 2018-02-08 | 2018-06-22 | 南通中集能源装备有限公司 | LNG fuel air supply system peculiar to vessel |
| CN108194835B (en) * | 2018-02-08 | 2024-04-16 | 南通中集能源装备有限公司 | Marine LNG fuel gas supply system |
| CN112050081A (en) * | 2020-09-22 | 2020-12-08 | 华润（南京）市政设计有限公司 | Movable type acceptance and feeding and discharging device for dual-fuel ship |
| CN112050081B (en) * | 2020-09-22 | 2022-01-04 | 华润（南京）市政设计有限公司 | Movable type acceptance and feeding and discharging device for dual-fuel ship |
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