CN208253166U - A kind of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time - Google Patents
A kind of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time Download PDFInfo
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- CN208253166U CN208253166U CN201721923417.0U CN201721923417U CN208253166U CN 208253166 U CN208253166 U CN 208253166U CN 201721923417 U CN201721923417 U CN 201721923417U CN 208253166 U CN208253166 U CN 208253166U
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Abstract
The utility model relates to fuel adding technical fields, a kind of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time are provided, including multiple filling modules for connecting one to one with more tank cars；For being connected to the charging line of multiple filling modules and ship, charging line is exported after concentrating the LNG in multiple filling modules to a ship；Each filling module includes vaporizer, the gentle interface that is connected of straight-through valve, straight-through valve is connected to the gentle interface that is connected of vaporizer, the gas phase connection interface of multiple filling modules is connected by hose, LNG in tank car is after filling module inflow charging line parallel connection summarizes, ship is delivered fuel to, fuel adding of the more tank car parallel connections of same time to ship is realized；And since vaporizer, the gentle interface that is connected of straight-through valve etc. are each attached in filling module, device security is higher, and disassembly degree reduces, mobile more convenient；It is able to solve the problem of BOG diffuses the boosting of the more concora crush between tank car simultaneously.
Description
Technical field
The utility model relates to fuel adding technical fields, in particular to a kind of to can be achieved at the same time what multiple-grooved vehicle parallel connection filled
Filling apparatus.
Background technique
LNG powered ship is to use LNG as the ship of fuel, compared to traditional ship for using diesel oil as power
Oceangoing ship, LNG powered ship more clean, are clean, and fuel cost is smaller.With the rise of LNG powered ship, the fuel of LNG adds
It forms as indispensable process matched therewith process.
Currently, conventional tank car is by LNG tank car, flexible hose for loading, LNG powered ship string to the mode of ship filling LNG
Connection connection, LNG is from the LNG storage tank that LNG tank car is delivered to LNG powered ship through hose, due to the dosing method of " one-to-one "
It is easy to operate and safe and efficient, when currently used tank car is carried out to LNG powered ship fuel adding, single tank car is mostly used greatly
Dosing method is operated, but in tank car in ship storage tank LNG filling, the time filled with a vehicle is longer, " a pair of
One " dosing method takes time and effort, and filling efficiency is lower, and operation cost is high.The external filling for realizing the parallel connection of four tank cars at present
Case, it is domestic to be embodied as two tank car parallel connections at present.When especially differential more tank car parallel connections fill when filling, need simultaneously
The pressure of more tank cars and the pressure by note marine fuel tank are adjusted, complicated for operation, efficiency is also to be improved.And more tank cars
When filling, complicated, scene dismounting flange pipe time length that there are pipeline connections, BOG (flash steam) diffuse more, multiple purging wave
The problems such as taking, and it is time-consuming more.
Therefore, design it is a kind of can be achieved at the same time multiple-grooved vehicle parallel connection filling filling apparatus be particularly important.
Utility model content
The utility model provides a kind of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time, this can be achieved at the same time more
The filling apparatus of tank car parallel connection filling is able to solve BOG and diffuses the slower problem of more and tank car boosting, saves the note time,
Improve operating efficiency and safety.
To achieve the above object, the utility model provides the following technical solution:
A kind of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time, including
Multiple filling modules for connecting one to one with more tank cars；
For being connected to the charging line of multiple the filling modules and ship, the charging line will be in multiple filling modules
LNG concentrate after exported to ship；
Each filling module includes vaporizer, the gentle interface that is connected of straight-through valve, and the straight-through valve is connected to the vapour
Change the gentle interface that is connected of device, the gas phase connection interface of multiple filling modules is connected by hose.
In the above-mentioned filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time, by more tank cars and multiple filling modules one
One is correspondingly connected with, and the LNG in tank car delivers fuel to ship after filling module inflow charging line parallel connection summarizes, real
Fuel adding of the more tank car parallel connections of same time to ship is showed, can largely shorten the filling time, effectively improve filling efficiency；
And since vaporizer, the gentle interface that is connected of straight-through valve etc. are each attached in filling module, it is filled as an integral module
It unloads, modular filing provision safety is higher, and disassembly degree reduces, conveniently moving and more conducively proofing dust and protecting etc.；Work as tank car
When pressurization, straight-through valve is in close state, when two or more tank cars carry out unloading liquid, due to the gas phases of multiple filling modules
It is connected to interface to connect by hose, opens straight-through valve, so that multiple filling module gas phases are connected to, guarantee to unload the tank car internal pressure in liquid
Power is balanced, plays the role of concora crush；When LNG liquid is seldom in a tank car, when pressure can not rise increase, another tank car pressurization
When very fast, concora crush can be carried out by above structure；Unloaded when one in tank car LNG liquid almost without and pressure it is higher, another
Tank car has just accessed when will start pressurization, opens straight-through valve, has not only carried out concora crush, but also carry out to by the pressure rise in note storage tank
Control, while avoiding being diffused due to by the BOG pressure rise in storage tank is infused, reduce the pressure rising time of tank car, and realize
More LNG tank car operations simultaneously, greatly save the filling time, improve operating efficiency.
Preferably, the filling module further includes frame, pressurizing pack and multiple valve groups, and the valve group includes containing purging
Valve, in which:
The pressurizing pack is fixedly mounted on said frame, including inlet pipe and return line, the inlet pipe
One end be equipped with the tank car that is connected for the LNG fluid reservoir with the tank car and unload liquid interface and boost fluid interfaces, the feed liquor
The other end of pipeline is connected with the charging line, and one end of the return line is equipped with to be connected with the LNG fluid reservoir
It is pressurized gas phase interface, the other end of the return line is connected with the vaporizer；
The blow down valve is installed in the inlet pipe and vaporizer.
Preferably, the filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time further includes that three one end are equipped with the special connector of card
Connecting tube, the other end of three connecting tubes unload liquid interface, boost fluid interfaces and pressurization gas phase with the tank car respectively
Interface connects one to one, and the special connector of the card with the LNG fluid reservoir of the tank car for being connected.
Preferably, the charging line includes converging pipe fitting and being mounted on the functional unit converged on pipe fitting, institute
State that converge pipe fitting include multiple convergence tubes, the inlet pipe of the inlet of multiple convergence tubes and the multiple filling module
The other end is connected, and multiple convergence tubes formed one for the ship to the liquid outlet being connected to.
Preferably, the convergence tube is stainless steel flexible hose.
Preferably, the functional unit includes diffusion valve, and the diffusion valve is located at described converge on pipe fitting and close to described
Outlet.
Preferably, the functional unit further includes cryometer, and the cryometer converges pipe fitting positioned at described
Exit.
Preferably, the functional unit further includes filter, and the filter is located at the exit for converging pipe fitting.
Preferably, the functional unit further includes gas-liquid mixed flowmeter, and the gas-liquid mixed flowmeter is located at the remittance
Close the exit of pipe fitting.
Preferably, the frame is equipped with drip tray, and the drip tray is located at the lower section for converging pipe fitting.
Preferably, the functional unit further includes Pull breaking ualve, and the Pull breaking ualve is located at described converge on pipe fitting and close to institute
State entrance.
Detailed description of the invention
Fig. 1 is a kind of structural representation of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time provided by the utility model
Figure；
Fig. 2 is that a kind of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time provided by the utility model is connect with tank car
Structural schematic diagram afterwards.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1 and Figure 2, a kind of filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, including
Multiple filling modules 1 for connecting one to one with more tank cars 2；
For being connected to the charging line 6 of multiple filling modules 1 and ship, charging line 6 will be in multiple filling modules 1
LNG is exported after concentrating to a ship；
Each filling module 1 includes vaporizer 16, the gentle interface 18 that is connected of straight-through valve 17, and straight-through valve 17 is connected to vaporizer
The gas phase connection interface 18 of the 16 gentle interfaces 18 that are connected, multiple filling modules 1 is connected by hose 4.
In the above-mentioned filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, by more tank cars 2 and multiple filling modules
1 connects one to one, and the LNG in tank car 2 delivers fuel to ship after filling inflow 6 parallel connection of charging line of module 1 summarizes
Oceangoing ship realizes the fuel adding in parallel to ship of more tank cars of same time 2, can largely shorten the filling time, effectively improve and add
Infuse efficiency；And since vaporizer 16, the gentle interface 18 etc. that is connected of straight-through valve 17 are each attached in filling module 1, as one
Integral module is loaded and unloaded, and modular filing provision safety is higher, and disassembly degree reduces, mobile more convenient and more conducively anti-
Dirt protection etc.；When tank car 2 is pressurized, straight-through valve 17 is in close state, when two or more tank cars 2 carry out unloading liquid, by
It is connected in the gas phase connection interface 18 of multiple filling modules 1 by hose 4, straight-through valve 17 is opened, so that multiple 1 gas of filling module
It is connected, guarantees to unload pressure equilibrium in the tank car 2 in liquid, play the role of concora crush；When LNG liquid is seldom in a tank car 2, pressure
When can not rise increase, when another tank car 2 is pressurized very fast, concora crush can be carried out by above structure；It is unloaded in tank car 2 when one
LNG liquid almost without and pressure it is higher, another tank car 2 is opened straight-through valve 17, was both put down when just access will start pressurization
Pressure, and controlled by the pressure rise in note storage tank, safety is improved, while avoiding because by the BOG in note storage tank
Pressure rise and diffused, reduce the pressure rising time of tank car 2, and realize the operation simultaneously of more LNG tank cars 2, greatly save
The time is filled, operating efficiency is improved.In a kind of preferred embodiment, as shown in Figure 1, filling module 1 further includes frame 11, pressurization
Component and multiple valve groups, valve group include containing blow down valve 15, in which:
Pressurizing pack is fixedly mounted on the frame 11, including inlet pipe and return line, one end of inlet pipe are equipped with
The tank car being connected for the LNG fluid reservoir with tank car 2 unloads liquid interface 14 and boost fluid interfaces 12, the other end of inlet pipe with
Charging line 6 is connected, and one end of return line is equipped with the pressurization gas phase interface 13 being connected with LNG fluid reservoir, return line
The other end is connected with vaporizer 16；
Blow down valve 15 is installed on inlet pipe and vaporizer 16.
In the above-mentioned filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, tank car unloads liquid interface 14, boost fluid connects
Cutting ferrule public affairs pipe installs in advance before tank car 2 enters filling region at mouth 12, pressurization gas phase interface 13, after tank car 2 comes to a complete stop,
Cutting ferrule female end accesses male end, completes vaporization, unloads liquid connection, the inlet of the LNG fluid reservoir of tank car 2 is then unloaded liquid with tank car and is connect
Mouthfuls 14 are connected, LNG by inlet pipe enter charging line 6, tank car 2 LNG fluid reservoir gas returning port and pressurization gas phase interface
13 are connected, the inlet of the LNG fluid reservoir of tank car 2 is connected with boost fluid interfaces 12, are pressurized, are passed through by vaporizer 16
Integrated are fixed on such as vaporizer 16, straight-through valve 17, gas phase connection interface 18, inlet pipe and return line are filled into module 1
It is interior, it is loaded and unloaded as an integral module, connects, is convenient to disassembly, and assembly can be carried out according to on-site actual situations,
More 2 intercommunication of tank car cooperations.Solve the problems, such as that the current live dismounting flange pipe time is long, modular filing provision safety
Higher, disassembly degree reduces, mobile more convenient, improves the safety of filling operation, improves practicability.
In a kind of preferred embodiment, as shown in Fig. 2, the filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time also wraps
It includes three one end and is equipped with the connecting tube for blocking special connector 3, the other end of three connecting tubes unloads liquid interface 14, boost fluid with tank car respectively
Interfaces 12 and pressurization gas phase interface 13 connect one to one, and block special connector 3 for being connected with the LNG fluid reservoir of tank car 2.
In the above-mentioned filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, after tank car 2 comes to a complete stop, connect by Ka Te
The LNG fluid reservoir of first 3 connection tank car 2 can be realized the LNG fluid reservoir of tank car 2 and the quick connection of filling module 1, accelerate existing
Field connection and dismounting speed, save the time, solve the problems, such as that the current live dismounting flange pipe time is long, improve the peace of operation
Quan Xing improves practicability.
In a kind of preferred embodiment, as shown in Fig. 2, charging line 6 includes that filling converges pipe fitting and is mounted on filling
Converge the functional unit on pipe fitting, it includes multiple filling convergence tubes 61 that filling, which converges pipe fitting, the feed liquor of multiple filling convergence tubes 61
Mouth is connected with the other end of the inlet pipes of multiple filling modules 1, and multiple filling convergence tubes 61 formation one is used for and ship
Liquid outlet of the oceangoing ship to connection.
In the above-mentioned filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, by more tank cars 2 and multiple filling modules
1 connects one to one, and the LNG in each tank car 2 flows into corresponding each filling convergence tube 61 by inlet pipe and filling
Converge after parallel connection summarizes in pipe fitting, deliver fuel to ship, realizes the fuel in parallel to ship of more tank cars of same time 2
Filling can largely shorten the filling time, effectively improve filling efficiency.
Specifically, filling convergence tube 61 can be stainless steel flexible hose.
In the above-mentioned filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, filling converges pipe fitting can be for steel not
Rust steel hose (is made) according to filling field data, and bottom is removable stainless bracing members, including flanged tee, flange be curved
Head tube is flange straight tube, manifold trunk and liquid outlet, and when flanged joint, bottom bracket supporting pipeline should keep balancing, and avoid pipe
Twist power between road, and junction one-stage process orchid is flange living, also avoids pipeline that torsion occurs.
Filling convergence tube 61 can be stainless steel flexible hose, can also be the tube body of other materials preparation, fill convergence tube 61
The material for preparing selected according to the specific actual conditions for the filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time.
Specifically, as shown in Fig. 2, functional unit includes diffusion valve 63, diffusion valve 63 is located at filling and converges on pipe fitting and lean on
Nearly outlet.
In the above-mentioned filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, when pre-cooling, the LNG fluid reservoir of tank car 2
When interior pressure reaches release value, the pressure in release storage tank can be assisted under reversed release and the state of emergency by diffusion valve 63,
The operating time is saved, the safety of operation is improved, improves practicability.
Specifically, as shown in Fig. 2, functional unit further includes cryometer 65, cryometer 65 is located at filling and converges
The exit of pipe fitting.
In the above-mentioned filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, cryometer 65 is for visual
Feed liquor temperature is observed, the flow entered in pre-cooling by temperature control promotes feed liquor behaviour to preferably control cooling rate
The controllability and safety of work improve practicability.
Furthermore it is also possible to which pressure gauge 64 is arranged in the exit that filling converges pipe fitting, go out for checking that filling converges pipe fitting
Pressure at mouthful is to promote the controllability and safety that feed liquor operates.
Specifically, as shown in Fig. 2, functional unit further includes filter 66, filter 66 is located at filling and converges going out for pipe fitting
At mouthful.
In the above-mentioned filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, filter 66 converges for filtering filling
Impurity in the LNG of pipe fitting output, improves the cleannes of LNG, and sundries (such as low temperature breakage gasket in valve) is avoided to enter
Other assemblies after ship and filter 66 improve the safety of operation, improve practicability.
Specifically, as shown in Fig. 2, functional unit further includes gas-liquid mixed flowmeter 68, gas-liquid mixed flowmeter 68 is located at
Filling converges the exit of pipe fitting.
In the above-mentioned filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, gas-liquid mixed flowmeter 68 is for counting
Adding amount can visually observe liquid inlet volume, promote the controllability of feed liquor operation, improve practicability.
In a kind of preferred embodiment, frame 11 is equipped with drip tray, and drip tray is located at the lower section that filling converges pipe fitting.
In the above-mentioned filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, increase by 10 at filling convergence tube 61
The drip tray of centimetre height, bottom dress screw thread discharges mouth in drip tray, and drip tray prevents leakage from destroying its object when occurring, puts and unload mouth
It can not be drained after preventing rainwater from generating.Equipment is ineffective or personnel misoperation, cause to fill a large amount of hydrops in pipeline, operator
Member carries out safety operation (unloading press operation manually) after can observing by line pressure table 64, to prevent the hair of the accidents such as pipeline breaking
It is raw.
In addition, the steel that filling module 1 and filling converge pipe fitting consolidates pipeline using fixed heat preservation, hose 4 uses low temperature elasticity
Black rouge heat preservation.
In addition, the generation of the accidents such as pipeline breaking in order to prevent, can also be arranged safety valve 62, when manifold pressure is excessively high
When takeoff and diffused, the greatly prevention manifold pressure generation that causes the accidents such as pipeline breaking greatly.
In a kind of preferred embodiment, as shown in Fig. 2, functional unit further includes Pull breaking ualve 5, Pull breaking ualve 5 is located at filling and converges
It closes on pipe fitting and close to entrance.
In the above-mentioned filling apparatus that the filling in parallel of multiple-grooved vehicle 2 can be achieved at the same time, converges in filling and increase drawing on pipe fitting
Disconnected valve 5 can be realized tank car 2 by Pull breaking ualve 5 and be rapidly separated with ship, 5 both ends of Pull breaking ualve are automatic when an emergency occurs
Closed function ensure that the safety in filling process, and in order to further increase the safety of filling, it can add in ship
It infuses and ship filling station interface Pull breaking ualve 67 is set at station interface 69.
Obviously, those skilled in the art the utility model embodiment can be carried out various modification and variations without departing from
The spirit and scope of the utility model.In this way, if these modifications and variations of the present invention belong to the utility model right
It is required that and its within the scope of equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (11)
1. a kind of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time, which is characterized in that including
Multiple filling modules for connecting one to one with more tank cars；
For being connected to the charging line of multiple the filling modules and ship, the charging line will be in multiple filling modules
LNG is exported after concentrating to a ship；
Each filling module includes vaporizer, the gentle interface that is connected of straight-through valve, and the straight-through valve is connected to the vaporizer
The gas phase connection interface of the gentle interface that is connected, multiple filling modules is connected by hose.
2. the filling apparatus according to claim 1 that multiple-grooved vehicle parallel connection filling can be achieved at the same time, which is characterized in that described to add
Injection molding block further includes frame, pressurizing pack and multiple valve groups, and the valve group includes containing blow down valve, in which:
The pressurizing pack is fixedly mounted on said frame, including inlet pipe and return line, and the one of the inlet pipe
End is equipped with the tank car being connected for the LNG fluid reservoir with the tank car and unloads liquid interface and boost fluid interfaces, the inlet pipe
The other end be connected with the charging line, one end of the return line is equipped with the pressurization being connected with the LNG fluid reservoir
Gas phase interface, the other end of the return line are connected with the vaporizer；
The blow down valve is installed in the inlet pipe and vaporizer.
3. the filling apparatus according to claim 2 that multiple-grooved vehicle parallel connection filling can be achieved at the same time, which is characterized in that further include
Straight one end is equipped with the connecting tube for blocking special connector, and the other end of three connecting tubes unloads liquid interface with the tank car respectively, increases
Hydraulic fluid interfaces and pressurization gas phase interface connect one to one, described to block special connector for the LNG fluid reservoir with the tank car
It is connected.
4. the filling apparatus according to claim 2 that multiple-grooved vehicle parallel connection filling can be achieved at the same time, which is characterized in that described to add
Note pipeline includes converging pipe fitting and being mounted on the functional unit converged on pipe fitting, and the pipe fitting that converges includes multiple converges
Pipe, the inlet of multiple convergence tubes is connected with the other end of the inlet pipe of the multiple filling module, and multiple remittances
Close pipe formed one for the ship to the liquid outlet being connected to.
5. the filling apparatus according to claim 4 that multiple-grooved vehicle parallel connection filling can be achieved at the same time, which is characterized in that the remittance
Closing pipe is stainless steel flexible hose.
6. the filling apparatus according to claim 4 that multiple-grooved vehicle parallel connection filling can be achieved at the same time, which is characterized in that the function
Energy component includes diffusion valve, and the diffusion valve is located at described converge on pipe fitting and close to the outlet for converging pipe fitting.
7. the filling apparatus according to claim 4 that multiple-grooved vehicle parallel connection filling can be achieved at the same time, which is characterized in that the function
Energy component further includes cryometer, and the cryometer is located at the exit for converging pipe fitting.
8. the filling apparatus according to claim 4 that multiple-grooved vehicle parallel connection filling can be achieved at the same time, which is characterized in that the function
Energy component further includes filter, and the filter is located at the exit for converging pipe fitting.
9. the filling apparatus according to claim 4 that multiple-grooved vehicle parallel connection filling can be achieved at the same time, which is characterized in that the function
Energy component further includes gas-liquid mixed flowmeter, and the gas-liquid mixed flowmeter is located at the exit for converging pipe fitting.
10. the filling apparatus according to claim 4 that multiple-grooved vehicle parallel connection filling can be achieved at the same time, which is characterized in that described
Frame is equipped with drip tray, and the drip tray is located at the lower section for converging pipe fitting.
11. the filling apparatus according to claim 4 that multiple-grooved vehicle parallel connection filling can be achieved at the same time, which is characterized in that described
Functional unit further includes Pull breaking ualve, and the Pull breaking ualve is located at described converge on pipe fitting and close to the entrance for converging pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923417.0U CN208253166U (en) | 2017-12-29 | 2017-12-29 | A kind of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923417.0U CN208253166U (en) | 2017-12-29 | 2017-12-29 | A kind of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time |
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| CN208253166U true CN208253166U (en) | 2018-12-18 |
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| CN201721923417.0U Expired - Fee Related CN208253166U (en) | 2017-12-29 | 2017-12-29 | A kind of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779966A (en) * | 2020-06-16 | 2020-10-16 | 新兴能源装备股份有限公司 | Liquid-phase filling structure for rear pipeline of low-temperature tank car |
| CN114772538A (en) * | 2022-04-01 | 2022-07-22 | 中船恒宇能源(上海)有限公司 | Mobile portable marine methanol filling pump prying device and using method thereof |
-
2017
- 2017-12-29 CN CN201721923417.0U patent/CN208253166U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779966A (en) * | 2020-06-16 | 2020-10-16 | 新兴能源装备股份有限公司 | Liquid-phase filling structure for rear pipeline of low-temperature tank car |
| CN114772538A (en) * | 2022-04-01 | 2022-07-22 | 中船恒宇能源(上海)有限公司 | Mobile portable marine methanol filling pump prying device and using method thereof |
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Granted publication date: 20181218 Termination date: 20211229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |