CN213299612U - Emptying pipeline with liquid unloading function for low-temperature tank car - Google Patents
Emptying pipeline with liquid unloading function for low-temperature tank car Download PDFInfo
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- CN213299612U CN213299612U CN202021399662.8U CN202021399662U CN213299612U CN 213299612 U CN213299612 U CN 213299612U CN 202021399662 U CN202021399662 U CN 202021399662U CN 213299612 U CN213299612 U CN 213299612U
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- pipe
- pipeline
- communicated
- liquid
- unloading
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- 239000007788 liquid Substances 0.000 title claims abstract description 42
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000006837 decompression Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model relates to a low temperature tank wagon technical field provides a low temperature tank wagon area unloads unloading pipeline of liquid function, including being used for the communicating pipe of intercommunication tank wagon inner container, with the unloading pipeline of communicating pipe intercommunication and the unloading stop valve of setting on the unloading pipeline, its characterized in that still includes unloads the liquid pipeline, and the unloading pipeline includes: the first pipe is communicated with the communicating pipe, and the emptying stop valve is arranged on the first pipe; a second pipe disposed in a vertical direction; and the three-way pipe is communicated with the second pipe and the liquid discharging pipeline respectively relative to the two pipe openings, and the side pipe opening is communicated with the first pipe. Through above-mentioned technical scheme, the problem of the sealing performance that liquid among the prior art piles up before the stop valve influence the valve body has been solved.
Description
Technical Field
The utility model relates to a low temperature tank wagon technical field, it is specific, relate to a low temperature tank wagon area and unload emptying pipeline of liquid function.
Background
The low-temperature tank car is used for transporting and storing low-temperature liquid, the low-temperature tank car mainly depends on the rear pipeline part for realizing the functions of liquid unloading, pressurization, pressure discharge and the like, and whether the design of the rear pipeline part is reasonable or not directly relates to the using effect. Receive the restriction of relevant standard, the pipeline space is limited, and the evacuation pipeline produces with the safety valve group and interferes in the current design, operates inconveniently in the in-service use process to through the release of blow-down pipe back, low temperature gas preheats and can cause the gas liquefaction, and after the release was accomplished, liquefied liquid can be piled up before the stop valve along the evacuation pipeline, and long-time liquid soaks and can cause the valve body sealing performance to reduce, needs frequent change valve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a liquid function's unloading pipeline is unloaded in cryogenic tank car area has solved the liquid among the prior art and has piled up the problem that influences the sealing performance of valve body before the stop valve.
The technical scheme of the utility model as follows:
the utility model provides a cryogenic tank car area unloads unloading pipeline of liquid function, including be used for the intercommunication tank car inner container communicating pipe, with the unloading pipeline and the unloading stop valve of setting on the unloading pipeline of communicating pipe intercommunication, still including unloading the liquid pipeline, the unloading pipeline includes:
the first pipe is communicated with the communicating pipe, and the emptying stop valve is arranged on the first pipe;
a second pipe disposed in a vertical direction;
and the two opposite pipe orifices are communicated with the second pipe and the liquid discharging pipeline respectively, and the side pipe orifices are communicated with the first pipe.
As a further technical solution, the method further comprises:
and the drain valve is arranged on the liquid discharging pipeline.
As a further technical solution, the method further comprises:
and the safety valve group is communicated with the communicating pipe.
As a further technical solution, the first pipe includes:
the horizontal pipe is communicated with the communicating pipe, the vertical pipe is communicated with the horizontal pipe through the bent pipe, and the vertical pipe is communicated with a side pipe opening of the three-way pipe through the bent pipe;
the emptying stop valve is arranged on the vertical pipe.
As a further technical scheme, the inflatable device further comprises an inflatable pipeline, one end of the inflatable pipeline is communicated with the communicating pipe, and the other end of the inflatable pipeline is communicated with an inflatable device.
As a further technical solution, the method further comprises:
and the inflation stop valve and the emergency cut-off valve are arranged on the inflation pipeline.
The utility model discloses a theory of operation and beneficial effect do:
1. in the utility model, one end of the communicating pipe is communicated with the container in the tank wagon, the emptying pipeline is communicated with the communicating pipe, and a vent stop valve is arranged on the vent pipeline, the vent pipeline comprises a first pipe communicated with the communicating pipe and a second pipe arranged along the vertical direction, the vent stop valve is arranged on the first pipe, the first pipe and the second pipe are communicated through a three-way pipe, the first pipe is communicated with a side pipe orifice of the three-way pipe, the second pipe is communicated with a pipe orifice at one end of the three-way pipe, a pipe orifice at the other end of the three-way pipe is communicated with a liquid discharging pipeline, when the pressure of the tank needs to be relieved, the emptying stop valve is opened to relieve the pressure, the low-temperature gas is heated and liquefied in the pressure relieving process, after the pressure relief is finished, the liquid flows downwards from the second pipe by means of gravity, enters the liquid discharge pipe through the three-way pipe for discharging the liquid, the liquid after liquefaction can be avoided piling up before unloading stop valve along the evacuation pipeline, the sealing performance of influence valve body.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
in the figure: 1 communicating pipe, 2 emptying pipelines, 21 first pipes, 211 horizontal pipes, 212 vertical pipes, 213 bent pipes, 22 second pipes, 23 three-way pipes, 3 emptying stop valves, 4 liquid discharging pipelines, 5 blow-off valves, 6 safety valve groups, 7 inflating pipelines, 8 inflating stop valves and 9 emergency cut-off valves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
As shown in fig. 1 to 2, it is proposed
The utility model provides a low temperature tank car area unloads unloading pipeline of liquid function, including communicating pipe 1 that is used for communicating the tank car inner container, with the unloading pipeline 2 of communicating pipe 1 intercommunication and the unloading stop valve 3 of setting on unloading pipeline 2, its characterized in that still includes unloading liquid pipeline 4, and unloading pipeline 2 includes:
the first pipe 21 is communicated with the communicating pipe 1, and the emptying stop valve 3 is arranged on the first pipe 21;
a second pipe 22 disposed in a vertical direction;
and the three-way pipe 23 is communicated with the second pipe 22 and the liquid discharging pipeline 4 respectively relative to the two pipe openings, and the pipe opening at the side edge is communicated with the first pipe 21.
In the embodiment, one end of the communicating pipe 1 is communicated with a container in the tank car, the emptying pipeline 2 is communicated with the communicating pipe 1, the emptying pipeline 2 is provided with an emptying stop valve 3, the emptying pipeline 2 comprises a first pipe 21 communicated with the communicating pipe 1 and a second pipe 22 arranged along the vertical direction, the first pipe 21 is provided with the emptying stop valve 3, the first pipe 21 is communicated with the second pipe 22 through a three-way pipe 23, the first pipe 21 is communicated with a side pipe orifice of the three-way pipe 23, the second pipe 22 is communicated with a one-end pipe orifice of the three-way pipe 23, the other end pipe orifice of the three-way pipe 23 is communicated with a liquid discharging pipeline 4, when the tank needs to be decompressed, the emptying stop valve 3 is opened to release the pressure, low-temperature gas is heated and liquefied in the decompression process, after the decompression is completed, the liquid flows downwards from the second pipe 22 by gravity, and enters the liquid discharging pipe through the three-way pipe 23, the liquefied liquid can be prevented from being accumulated in front of, affecting the sealing performance of the valve body.
Further, still include:
and the drain valve 5 is arranged on the liquid discharging pipeline 4.
In this embodiment, the liquid discharge pipeline 4 is provided with a blow-down valve 5, so that the liquid discharge in the liquid discharge pipeline 4 can be conveniently controlled.
Further, still include:
and the safety valve group 6 is communicated with the communicating pipe 1.
In the embodiment, the safety valve group 6 is communicated with the communicating pipe 1, and the overpressure of the inner container of the tank car is automatically discharged and decompressed, so that the safety is ensured.
Further, the first pipe 21 includes:
the horizontal pipe 211 is communicated with the communicating pipe 1, the vertical pipe 212 is communicated with the horizontal pipe 211 through the bent pipe 213, and the vertical pipe 212 is communicated with a side pipe opening of the three-way pipe 23 through the bent pipe 213;
the blow-off valve 3 is provided on the vertical pipe 212.
In this embodiment, the first pipe 21 includes a horizontal pipe 211 horizontally disposed and a vertical pipe 212 vertically disposed, the two are communicated through an elbow 213, the horizontal pipe 211 is communicated to the communicating pipe 1, the vertical pipe 212 is communicated to a side pipe orifice of the three-way pipe 23 through the elbow 213, and the emptying stop valve 3 is disposed on the vertical pipe 212, so that the operable space of the safety valve group 6 can be increased, and the replacement of the safety valve group 6 is facilitated.
Further, still include gas tube 7, gas tube 7's one end and communicating pipe 1 intercommunication, the other end is used for communicateing aeration equipment.
In this embodiment, an inflation pipeline 7 is arranged to be communicated with the communicating pipe 1, and the container in the tank car is inflated through the inflation pipeline 7.
Further, still include:
and the inflation stop valve 8 and the emergency stop valve 9 are both arranged on the inflation pipeline 7.
In this embodiment, an inflation stop valve 8 and an emergency stop valve 9 are arranged on the inflation pipeline 7, the inflation stop valve 8 is used for controlling inflation into the container, and the emergency stop valve 9 is used for ensuring the safety of the inflation process.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a low temperature tank car area unloads unloading pipeline of liquid function, including communicating pipe (1) that is used for communicateing the tank car inner container, with the unloading pipeline (2) of communicating pipe (1) intercommunication and the unloading stop valve (3) of setting on unloading pipeline (2), its characterized in that still includes unloading liquid pipeline (4), unloading pipeline (2) include:
the first pipe (21) is communicated with the communicating pipe (1), and the emptying stop valve (3) is arranged on the first pipe (21);
a second pipe (22) disposed in a vertical direction;
and the three-way pipe (23) is communicated with the second pipe (22) and the liquid discharging pipeline (4) relative to two pipe orifices, and the side pipe orifice is communicated with the first pipe (21).
2. The vent line with liquid unloading function for the cryogenic tanker according to claim 1, further comprising:
and the drain valve (5) is arranged on the liquid discharging pipeline (4).
3. The vent line with liquid unloading function for the cryogenic tanker according to claim 1 or 2, further comprising:
and the safety valve group (6), wherein the safety valve group (6) is communicated with the communicating pipe (1).
4. The cryogenic tanker dump vent line according to claim 3, wherein the first pipe (21) comprises:
the horizontal pipe (211) is communicated with the communicating pipe (1), the vertical pipe (212) is communicated with the horizontal pipe (211) through the bent pipe (213), and the vertical pipe (212) is communicated with a side pipe orifice of the three-way pipe (23) through the bent pipe (213);
the emptying stop valve (3) is arranged on the vertical pipe (212).
5. The emptying pipeline with the liquid unloading function of the cryogenic tanker according to claim 1, further comprising an inflation pipeline (7), wherein one end of the inflation pipeline (7) is communicated with the communicating pipe (1), and the other end of the inflation pipeline is communicated with an inflation device.
6. The vent line with liquid unloading function for the cryogenic tanker according to claim 5, further comprising:
and the inflation stop valve (8) and the emergency stop valve (9) are arranged on the inflation pipeline (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399662.8U CN213299612U (en) | 2020-07-16 | 2020-07-16 | Emptying pipeline with liquid unloading function for low-temperature tank car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399662.8U CN213299612U (en) | 2020-07-16 | 2020-07-16 | Emptying pipeline with liquid unloading function for low-temperature tank car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213299612U true CN213299612U (en) | 2021-05-28 |
Family
ID=76020300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021399662.8U Active CN213299612U (en) | 2020-07-16 | 2020-07-16 | Emptying pipeline with liquid unloading function for low-temperature tank car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213299612U (en) |
-
2020
- 2020-07-16 CN CN202021399662.8U patent/CN213299612U/en active Active
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