CN217816169U - Multifunctional filling and unloading system - Google Patents
Multifunctional filling and unloading system Download PDFInfo
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- CN217816169U CN217816169U CN202220634198.9U CN202220634198U CN217816169U CN 217816169 U CN217816169 U CN 217816169U CN 202220634198 U CN202220634198 U CN 202220634198U CN 217816169 U CN217816169 U CN 217816169U
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Abstract
The utility model discloses a multifunctional filling and unloading system, which comprises an LNG tank car, a self-pressurization pipeline, a liquid inlet pipeline, a pump pool part and a liquid outlet pipeline; the self-pressurization pipeline is connected with the LNG tank wagon; the liquid inlet pipeline is connected with a first pipeline, the liquid inlet pipeline is connected with a liquid outlet pipeline through the first pipeline, and the first pipeline is connected with a second pipeline; the second pipeline is communicated with the pump pool part; a third pipeline is connected to the pump pool part; the third pipeline is connected with the liquid outlet pipeline; when LNG tank wagon pressure is not enough in this scheme, can return LNG tank wagon rising LNG tank wagon pressure through LNG tank wagon gas phase mouth with partial LNG through the gasification of self-pressurization pipeline back, the rethread unloads at the unloading mouth, guarantees the speed and the efficiency of unloading through proper motion pressure boost.
Description
Technical Field
The utility model relates to a LNG filling field especially relates to a multi-functional filling, system of unloading.
Background
Liquefied Natural Gas (LNG), the main component of which is methane, is known as the cleanest fossil energy on earth. The liquefied natural gas is colorless, tasteless, nontoxic and noncorrosive, the volume of the liquefied natural gas is about 1/625 of the volume of the same amount of gaseous natural gas, and the mass of the liquefied natural gas is only about 45 percent of the same volume of water.
The manufacturing process comprises purifying natural gas produced in a gas field, liquefying at a series of ultralow temperatures, and transporting by a liquefied natural gas carrier. After the liquefied natural gas is combusted, the pollution to the air is very small, and the heat emitted by the liquefied natural gas is large, so the liquefied natural gas is a relatively advanced energy source.
At present, with the steady development of the national LNG industry and the high-speed development of the hydrogen energy industry, hydrogenation equipment and a hydrogenation system are rapidly developed, particularly for filling equipment of vehicles, ships and the like.
However, filling stations scattered in various places cannot know the later-stage operation condition at the beginning of construction, and filling is usually performed by a single line at the beginning of construction, and along with the development of times, the filling situations are more and more, so that the filling stations are required to be adapted more quickly and can perform filling more efficiently, but filling in the prior art often has the problem of low filling and unloading efficiency.
Disclosure of Invention
Aiming at the problems, the scheme provides a multifunctional filling and unloading system. The problems that in the prior art, a filling mode of a filling station is single, and filling and unloading efficiency is low are solved.
The scheme is realized as follows:
a multifunctional filling and unloading system comprises an LNG tank car, a self-pressurization pipeline, a liquid inlet pipeline, a pump pool part and a liquid outlet pipeline; the self-pressurization pipeline is connected with the LNG tank wagon; the liquid inlet pipeline is connected with a first pipeline, the liquid inlet pipeline is connected with a liquid outlet pipeline through the first pipeline, and the first pipeline is connected with a second pipeline; the second pipeline is communicated with the pump pool part; a third pipeline is connected to the pump pool part; the third pipeline is connected with the liquid outlet pipeline.
Based on the structure of the multifunctional filling and unloading system, the self-pressurization pipeline comprises a liquid inlet pipe, a gas outlet pipe, a gasification pipe and a pressurization gasifier; the liquid inlet pipe is connected with the gasification pipe, the gasification pipe is connected with the gas outlet pipe, and the pressurization gasifier is arranged in the gasification pipe; the gas outlet pipe is connected with a gas phase port of the LNG tank wagon, and the liquid inlet pipe is connected with a liquid phase port of the LNG tank wagon.
Based on the structure of the multifunctional filling and unloading system, the pump pool part at least comprises a pump pool and a pump body.
Based on the structure of the multifunctional filling and unloading system, under the condition that the pump pool part is provided with one pump pool and one pump body;
the pump pool is connected with the liquid outlet pipeline through a third pipeline; the liquid inlet pipe is connected with a fourth pipeline; the third line is connected to a fourth line.
Based on the structure of the multifunctional filling and unloading system, under the condition that the pump pool parts are two pump pools and two pump bodies;
the liquid inlet pipe is connected with a fourth pipeline which is directly communicated with the liquid outlet pipeline, the first pipeline is connected with a second pipeline, and the first pipeline is communicated with the pump pool where the first pipeline is located through the two second pipelines; the pump pool group is connected with a third pipeline and is communicated with an external liquid adding machine through the third pipeline; and branch pipelines connected with the fourth pipeline are arranged on the two third pipelines.
Based on the structure of the multifunctional filling and unloading system, the first pipeline is provided with a branch pipeline, and the first pipeline is connected with the liquid adding machine through the branch pipeline.
Based on the structure of the multifunctional filling and unloading system, the pump pool is provided with a liquid pipeline and a gas pipeline which are connected with an external storage tank.
Based on the structure of the multifunctional filling and unloading system, one end of the liquid outlet pipeline is connected with the filling port of the storage tank, and the other end of the liquid outlet pipeline is connected with the liquid inlet of the liquid filling machine.
Based on the structure of the multifunctional filling and unloading system, the first pipeline is provided with the first stop valve, the second pipeline is provided with the second stop valve, the first stop valve is arranged along the medium flowing direction of the first pipeline, and the second stop valve is arranged along the medium flowing direction of the second pipeline.
Based on the structure of the multifunctional filling and unloading system, a first check valve is arranged on the liquid inlet pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the system, two ends of a self-pressurization pipeline are respectively connected with an LNG tank car, and the self-pressurization pipeline is directly or indirectly connected with a liquid outlet pipeline; when the pressure of the LNG tank wagon is enough, the LNG tank wagon can be directly unloaded from the unloading port of the LNG tank wagon through the liquid inlet pipeline; when LNG tank wagon pressure is not enough, can return LNG tank wagon rising LNG tank wagon pressure through LNG tank wagon gaseous phase mouth with partial LNG through the gasification of self-pressurization pipeline back, the rethread unloads the car through unloading mouthful, guarantees the speed and the efficiency of unloading through self-pressurization.
2. 4 different fixed unloading modes including self-pressurization unloading, pump starting unloading, unloading without a pump pool and combined unloading can be realized through the connection mode in the system.
Drawings
Fig. 1 is a schematic system diagram of embodiment 1 of the present invention;
fig. 2 is a schematic system diagram of embodiment 2 of the present invention;
in the figure: 1. a self-pressurizing line; 2. a liquid inlet pipeline; 3. a pump pool; 4. a liquid outlet pipeline; 5. a first pipeline; 6. a second pipeline; 7. a third pipeline; 8. a fourth pipeline; 9. a pressurized gasifier; 10. a first check valve; 11. a first shut-off valve; 12. a second stop valve; 13. an immersed pump; 14. a second check valve; 15. a branch line; 16. a liquid phase line; 17. a gas phase line; 18. a branch line; 19. a gas phase port of the LNG tank wagon; 20. a liquid phase port of the LNG tank car; 21. an unloading port of the LNG tank wagon; 22. a liquid return port of the liquid adding machine; 23. a liquid inlet of a liquid adding machine; 24. a storage tank filling port; 25. a storage tank return air port; 26. a storage tank liquid outlet; 27. a liquid inlet pipe; 28. an air outlet pipe; 29. a gasification pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1
Referring to fig. 1, the present invention provides a technical solution:
a multifunctional filling and unloading system comprises an LNG tank car, a self-pressurization pipeline 1, a liquid inlet pipeline 2, a pump pool part and a liquid outlet pipeline 4. One end of the self-pressurization pipeline 1 is connected with a gas phase port 19 of the LNG tank wagon, and the other end of the self-pressurization pipeline is connected with a liquid phase port 20 of the LNG tank wagon. The liquid inlet pipeline 2 is connected with the liquid outlet pipeline 4 through a first pipeline 5, and the liquid inlet pipeline 2 is connected with the pump pool part 3 through a second pipeline 6; the pump body 13 in the pump pool part is connected with the liquid outlet pipeline 4 through a third pipeline 7; the third line 7 is directly connected to the liquid phase port 20 of the LNG tanker via a fourth line 8.
In the present embodiment, the pump pool portion is one pump pool and one pump body.
One end of the liquid outlet pipeline 4 is connected with a filling port 24 of the storage tank, and the other end is connected with a liquid inlet 23 of the liquid filling machine.
As an example, the self-pressurization pipeline 1 includes a liquid inlet pipe 27, a gas outlet pipe 28, a gasification pipe 29, and a pressurization gasifier 9; the liquid outlet end of the liquid inlet pipe 27 is connected with the liquid inlet end of the gasification pipe 29, the gas outlet end of the gasification pipe 29 is connected with the gas inlet end of the gas outlet pipe 28, the pressure boost gasifier 9 is arranged in the gasification pipe 29, the liquid inlet end of the liquid inlet pipe 27 is connected with the liquid phase port 20 of the LNG tank wagon, and the gas outlet end of the gas outlet pipe 28 is connected with the gas phase port 19 of the LNG tank wagon.
The LNG in the LNG tanker can be changed into gas through the booster vaporizer 9 on the booster pipeline 1 and then returned to the LNG tanker to increase the pressure in the LNG tanker, so that the rest of the LNG in the LNG tanker flows into the unloading port 21 of the LNG tanker under the action of higher air pressure.
Based on the structure, the scheme can realize 4 different fixed unloading modes to adapt to different filling requirements; the self-pressurization unloading, the pump starting unloading, the unloading without a pump pool and the combined unloading can be realized; when self-pressurizing unloading is carried out, the liquid phase port 20 of the LNG tank wagon is communicated with the liquid inlet pipe 27, and the gas phase port 19 of the LNG tank wagon is communicated with the gas outlet pipe 28. When the pressure of the LNG tank wagon is insufficient, partial LNG can be gasified in the pressurization gasifier 9 through the LNG tank wagon liquid phase port 20 and returns to the LNG tank wagon through the LNG tank wagon gas phase port 19, so that the gas phase pressure in the LNG tank wagon is increased, then the unloading operation is carried out through the unloading port 21 of the LNG tank wagon, and the unloading speed and efficiency are guaranteed through self-pressurization.
When the pressure of the LNG tank wagon is enough, the LNG tank wagon can directly pass through the liquid inlet pipeline 2, the pump pool 3, the third pipeline 7 and the liquid outlet pipeline 4 in sequence, and finally is injected into the storage tank from the storage tank filling opening 24, so that the unloading operation is completed.
When starting and unloading the pump, the LNG tank wagon is directly communicated with the pump pool 3 through the liquid inlet pipeline 2 and the second pipeline 6, the pump pool 3 is communicated with the liquid outlet pipeline 4 through the third pipeline 7, and the pump body is opened, so that the storage tank is filled with LNG in the LNG tank wagon along the liquid inlet pipeline 2, the second pipeline 6, the pump pool 3, the third pipeline 7 and the liquid outlet pipeline 4.
When carrying out not unloading through the pump sump, at first carry out the pressure boost to LNG tank wagon inside through from pressurization pipeline 1, then the LNG tank wagon is through liquid inlet pipeline 2, first pipeline 5 and the direct intercommunication of liquid outlet pipeline 4, carries out the LNG transport through the inside self pressure of LNG tank wagon, directly fills the dress to the storage tank through not passing through pump sump 3.
When carrying out the joint unloading, at first carry out the pressure boost to LNG tank wagon inside from pressurization pipeline 1, the liquid in the LNG tank wagon after the pressure boost fills the dress to the storage tank after through feed liquor pipeline 2, second pipeline 6, pump sump 3, third pipeline 7 and liquid outlet pipeline 4 simultaneously, tentatively carries out the pressure boost to LNG tank wagon inside through the self-pressurization, and the rethread pump body carries out the pressure boost and carries, very big acceleration after the dual pressure boost efficiency of unloading.
Be provided with first check valve 10 on the liquid inlet pipeline 2, can prevent the LNG backward flow of flowing out on the liquid inlet pipeline 2 through first check valve 10, guarantee the safety of pipeline.
The first pipeline 5 is provided with a first stop valve 11, the second pipeline 6 is provided with a second stop valve 12, the first stop valve 11 is arranged along the medium flowing direction of the first pipeline 5, the second stop valve 12 is arranged along the medium flowing direction of the second pipeline 6, and the pipelines where the second stop valves are located can be controlled to be on-off through the stop valves.
The third pipeline 7 is connected with the pump pool 3, the immersed pump 13 and the second check valve 14 are arranged on the third pipeline 7, the immersed pump 13 is arranged in the pump pool 3, and the second check valve 14 is arranged in the outlet direction of the immersed pump 13.
Based on above-mentioned structure, on LNG suction in with pump sump 3 through immersed pump 13 to going out liquid pipeline 4, can prevent through second check valve 14 simultaneously that the play liquid backward flow in the immersed pump 13 from causing the damage to immersed pump 13, immersed pump 13 fills the storage tank in with the direct suction of LNG in the pump sump 3 to going out liquid pipeline 4.
The first pipeline 5 is provided with a branch pipeline 15, the branch pipeline 15 is connected with a liquid return port 22 of an external liquid adding machine, and the branch pipeline 15 is connected with the liquid adding machine, so that the branch pipeline 15 can directly supply liquid to the liquid adding machine.
The pump pool 3 is provided with a liquid phase pipeline 16 and a gas phase pipeline 17 which are connected with the storage tank, the pump pool 3 is communicated with the air return port 25 of the storage tank through the gas phase pipeline 17, and the pump pool 3 is communicated with the liquid outlet 26 of the storage tank through the liquid phase pipeline 16. During filling, liquid is conveyed through the liquid phase pipeline 16, the pump pool 3, the immersed pump 13 and the liquid outlet pipeline 4 in sequence, and is conveyed to the liquid inlet 23 of the liquid adding machine, the liquid is directly conveyed into the liquid adding machine, and the gas phase is recovered through the gas phase pipeline.
This scheme can be directly store the LNG in the LNG tank wagon in pump pond 3 earlier and keep in, then carries out the storage tank filling dress according to the actual demand on-the-spot and fills dress.
Example 2
Referring to fig. 2, based on the above embodiment 1, the present embodiment is similar to embodiment 1, and the difference is that in the present embodiment, 2 pump pools and 2 immersed pumps 13 are provided, so that the unloading and external filling operations can be realized more quickly, and the application scenarios of the system are increased.
As an example, it specifically includes an LNG tanker, a self-pressurization line 1, a liquid inlet line 2, a pump sump portion, and a liquid outlet line 4; one end of a self-pressurization pipeline 1 is connected with a gas phase port of the LNG tank wagon, the other end of the self-pressurization pipeline is connected with a liquid phase port of the LNG tank wagon, a fourth pipeline 8 is connected to the self-pressurization pipeline 1, the fourth pipeline 8 is directly communicated with a liquid outlet pipeline 4, a liquid inlet pipeline 2 is connected with the liquid outlet pipeline 4 through a first pipeline 5, second pipelines 6 are respectively connected to the first pipeline 5, and the first pipeline 5 is communicated with a pump pool 3 group through two second pipelines 6; the pump pool 3 group is connected with a third pipeline 7, and the pump pool 3 is communicated with an external liquid adding machine through the third pipeline 7.
In this embodiment, the liquid adding machines are respectively connected with an external liquid adding machine through third pipelines 7, and the liquid adding machines can be directly added with liquid through the third pipelines 7; and the two third pipelines 7 are respectively provided with a branch pipeline 18 connected with the fourth pipeline 8, and the pump pool 3 group can be directly filled with an external liquid adding machine through the branch pipelines 18.
One end of the liquid outlet pipeline is connected with a filling port 24 of the storage tank, and the other end is connected with a liquid inlet 23 of the liquid filling machine.
As an example, the self-pressurization pipeline 1 includes a liquid inlet pipe 27, a gas outlet pipe 28, a gasification pipe 29, and a pressurization gasifier 9; the liquid outlet end of the liquid inlet pipe 27 is connected with the liquid inlet end of the gasification pipe 29, the gas outlet end of the gasification pipe 29 is connected with the gas inlet end of the gas outlet pipe 28, the pressure boosting gasifier 9 is arranged in the gasification pipe 29, the liquid inlet end of the liquid inlet pipe 27 is connected with the liquid phase port 20 of the LNG tank wagon, and the gas outlet end of the gas outlet pipe 28 is connected with the gas phase port 19 of the LNG tank wagon.
The LNG in the LNG tanker can pass through the booster vaporizer 9 on the booster pipeline 1 and then be converted into gas, which flows back into the LNG tanker to increase the pressure in the LNG tanker, so that the rest LNG in the tanker flows into the tank 21 under the action of higher pressure.
Based on the structure, 4 different fixed unloading modes can be realized by the scheme, so that different filling requirements can be met; the self-pressurization unloading, the pump starting unloading, the unloading without a pump pool and the combined unloading can be realized; when self-pressurizing unloading is carried out, a liquid phase port of the LNG tank wagon is communicated with the liquid inlet pipe 27, and a gas phase port of the LNG tank wagon is communicated with the gas outlet pipe 28.
When the pressure of the LNG tank wagon is enough, the LNG tank wagon can directly pass through the liquid inlet pipeline 2, the pump pond 3, the third pipeline 7, the branch pipeline 18 and the liquid outlet pipeline 4 in sequence, and finally the LNG tank wagon is injected into the storage tank from the filling opening 24 of the storage tank, so that the unloading operation is completed.
When the pressure of the LNG tank wagon is insufficient, partial LNG can be gasified in the pressure boost gasifier 9 through the LNG tank wagon liquid phase port and returns to the LNG tank wagon through the LNG tank wagon gas phase port 19, so that the gas phase pressure in the LNG tank wagon is increased, then the unloading operation is carried out through the unloading port 21 of the LNG tank wagon, and the unloading speed and efficiency are guaranteed through self-pressurization.
When starting and unloading the pump, the LNG tank wagon is respectively communicated with the pump pool 3 group through the liquid inlet pipeline 2, the first pipeline 5 and the second pipeline 6, the pump pool 3 is communicated with a liquid inlet of a liquid adding machine through the third pipeline 7, and the pump body is opened to fill the external liquid adding machine with LNG in the LNG tank wagon along the liquid inlet pipeline 2, the first pipeline 5, the second pipeline 6, the pump pool 3 and the third pipeline 7; or the LNG in the LNG tank wagon is unloaded from the filling opening 24 of the storage tank along the liquid inlet pipeline 2, the first pipeline 5, the second pipeline 6, the pump pond 3, the third pipeline 7, the branch pipeline 18 and the liquid outlet pipeline 4.
When carrying out not unloading through pump sump 3, at first carry out the pressure boost to LNG tank wagon inside through from pressurization pipeline 1, the LNG tank wagon passes through feed liquor pipeline 2, first pipeline 5 and directly communicates to jar filling mouth 24 with liquid outlet line 4, carries out the LNG transport through the inside self pressure of LNG tank wagon, directly unloads external storage tank through not passing through pump sump 3.
When jointly unloading, at first carry out the pressure boost from booster line 1 to LNG tank wagon inside, liquid in the LNG tank wagon after the pressure boost simultaneously fills the dress to the storage tank behind feed liquor pipeline 2, second pipeline 6, pump sump 3, third pipeline 7, branch pipeline 18 and the liquid outlet pipeline 4, tentatively carries out the pressure boost to LNG tank wagon inside through from the pressure boost, and the rethread pump body carries out the pressure boost and carries, very big acceleration after the dual pressure boost efficiency of unloading.
Be provided with first check valve 10 on the inlet line 2, can prevent through first check valve 10 that the LNG that flows out on the inlet line 2 from backflowing, guarantee the safety of pipeline.
The first pipeline 5 is provided with a first stop valve 11, the second pipeline 6 is provided with a second stop valve 12, the first stop valve 11 is arranged along the medium flowing direction of the first pipeline 5, the second stop valve 12 is arranged along the medium flowing direction of the second pipeline 6, and the pipelines where the stop valves are located can be controlled to be on or off through the stop valves.
The third pipeline 7 is connected with the pump pool 3, the immersed pump 13 and the second check valve 14 are arranged on the third pipeline 7, the immersed pump 13 is arranged in the pump pool 3, and the second check valve 14 is arranged in the outlet direction of the immersed pump 13.
Based on above-mentioned structure, draw the LNG in the pump sump 3 through immersed pump 13 and outwards supply, can prevent simultaneously through second check valve 14 that the play liquid backward flow in immersed pump 13 from causing the damage to immersed pump 13, immersed pump 13 fills the liquid feeding machine or directly fills the storage tank with filling in directly drawing into play liquid pipeline 4 with the LNG in the pump sump 3.
The first pipeline 5 is provided with a branch pipeline 15, the branch pipeline 15 is connected with a liquid return port of an external liquid adding machine, and the branch pipeline 15 is connected with the liquid adding machine, so that the branch pipeline can directly supply liquid to the liquid adding machine.
Each pump pool 3 in the pump pool 3 group is provided with a liquid phase pipeline 16 and a gas phase pipeline 17 which are connected with the storage tank, the return air ports of the pump pool 3 and the storage tank are communicated through the gas phase pipeline 17, and the liquid outlet of the pump pool 3 and the storage tank is communicated through the liquid phase pipeline 16. During filling, the liquid is conveyed along the liquid phase pipeline 16, the pump pool 3, the immersed pump 13 and the liquid outlet pipeline 4, the liquid is directly conveyed into the liquid adding machine, and the gas phase is recovered through the gas phase pipeline.
This scheme can be directly store the LNG in the LNG tank wagon in 3 groups of pump ponds earlier and keep in, then carries out the storage tank according to the actual demand on-the-spot and fills dress or the filling machine fills dress.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a multi-functional filling, system of unloading which characterized in that: the LNG tank wagon comprises an LNG tank wagon, a self-pressurization pipeline, a liquid inlet pipeline, a pump tank part and a liquid outlet pipeline; the self-pressurization pipeline is connected with the LNG tank wagon; the liquid inlet pipeline is connected with a first pipeline, the liquid inlet pipeline is connected with a liquid outlet pipeline through the first pipeline, and the first pipeline is connected with a second pipeline; the second pipeline is communicated with the pump pool part; a third pipeline is connected to the pump pool part; the third pipeline is connected with the liquid outlet pipeline.
2. A multi-function filling and unloading system according to claim 1, wherein: the self-pressurization pipeline comprises a liquid inlet pipe, a gas outlet pipe, a gasification pipe and a pressurization gasifier; the liquid inlet pipe is connected with the gasification pipe, the gasification pipe is connected with the gas outlet pipe, and the pressurization gasifier is arranged in the gasification pipe; the gas outlet pipe is connected with a gas phase port of the LNG tank wagon, and the liquid inlet pipe is connected with a liquid phase port of the LNG tank wagon.
3. A multi-function filling and unloading system according to claim 2, wherein: the pump pool part at least comprises a pump pool and a pump body.
4. A multi-function filling and discharging system as defined in claim 3, wherein: in the case of one pump sump and one pump body in the pump sump portion;
the pump pool is connected with the liquid outlet pipeline through a third pipeline; the liquid inlet pipe is connected with a fourth pipeline; the third line is connected to a fourth line.
5. A multi-function filling and discharging system as defined in claim 3, wherein: under the condition that the pump pool parts are two pump pools and two pump bodies;
the liquid inlet pipe is connected with a fourth pipeline which is directly communicated with the liquid outlet pipeline, the first pipeline is connected with a second pipeline, and the first pipeline is communicated with the pump pool where the first pipeline is located through the two second pipelines; the pump pool group is connected with a third pipeline and is communicated with an external liquid adding machine through the third pipeline; and branch pipelines connected with the fourth pipeline are arranged on the two third pipelines.
6. A multi-function filling and unloading system according to claim 1, wherein: the first pipeline is provided with a branch pipeline, and the first pipeline is connected with the liquid adding machine through the branch pipeline.
7. A multi-functional filling, unloading system according to claim 6, wherein: and a liquid phase pipeline and a gas phase pipeline which are connected with an external storage tank are arranged on the pump pool.
8. A multi-function filling and unloading system according to claim 7, wherein: one end of the liquid outlet pipeline is connected with the filling port of the storage tank, and the other end of the liquid outlet pipeline is connected with the liquid inlet of the liquid adding machine.
9. A multi-functional filling and unloading system according to any one of claims 1 to 8, wherein: the first pipeline is provided with a first stop valve, the second pipeline is provided with a second stop valve, the first stop valve is arranged along the medium flowing direction of the first pipeline, and the second stop valve is arranged along the medium flowing direction of the second pipeline.
10. A multi-functional filling and unloading system according to any one of claims 1 to 8, wherein: and a first check valve is arranged on the liquid inlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202220634198.9U CN217816169U (en) | 2022-03-23 | 2022-03-23 | Multifunctional filling and unloading system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220634198.9U CN217816169U (en) | 2022-03-23 | 2022-03-23 | Multifunctional filling and unloading system |
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| CN217816169U true CN217816169U (en) | 2022-11-15 |
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| CN202220634198.9U Active CN217816169U (en) | 2022-03-23 | 2022-03-23 | Multifunctional filling and unloading system |
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Effective date of registration: 20230801 Address after: No. 309, Commercial Building 2, Phase I, Western Agricultural Machinery Exhibition and Sales Center, No. 198, Shimu Road, Shibantan Street, Xindu District, Chengdu, Sichuan 610047 Patentee after: Houpu Clean Energy Group Energy Equipment Co.,Ltd. Address before: No.3, 11th floor, building 6, no.599, shijicheng South Road, Chengdu hi tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan 610041 Patentee before: Houpu clean energy (Group) Co.,Ltd. |
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