CN220294376U - Pipeline type gas-water separator for rail transit locomotive tail row system - Google Patents
Pipeline type gas-water separator for rail transit locomotive tail row system Download PDFInfo
- Publication number
- CN220294376U CN220294376U CN202322980290.8U CN202322980290U CN220294376U CN 220294376 U CN220294376 U CN 220294376U CN 202322980290 U CN202322980290 U CN 202322980290U CN 220294376 U CN220294376 U CN 220294376U
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- baffle
- barrel
- plate
- rail transit
- water separator
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 43
- 239000011148 porous material Substances 0.000 abstract description 40
- 239000007789 gas Substances 0.000 abstract description 34
- 239000007788 liquid Substances 0.000 abstract description 33
- 239000001257 hydrogen Substances 0.000 abstract description 12
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000000926 separation method Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a pipeline type gas-water separator for a rail transit locomotive tail row system, which comprises the following components: the hydrogen purifier comprises a barrel, wherein one end of the barrel is provided with a tail exhaust gas flow air inlet, the other end of the barrel is provided with a plugging plate, the top of the barrel is provided with an air outlet, the bottom of the barrel or the bottom of the plugging plate is provided with a water outlet, at least one coarse filtration pore plate, at least one fine filtration pore plate and a plurality of baffle plates are arranged in the barrel, the coarse filtration pore plates, the fine filtration pore plates and the plugging plates are respectively spaced apart, a front end baffle notch is arranged between the baffle plate between the tail exhaust gas flow air inlet and the fine filtration pore plates and the inner wall of the barrel, the coarse filtration pore plates are provided with coarse filtration pores, the front end baffle notch and the coarse filtration pore plates form a labyrinth type flow channel in the barrel together, the fine filtration pore plates are provided with fine filtration pores, and a rear end baffle notch is arranged between the baffle plate between the fine filtration pore plates and the inner wall of the barrel, so that hydrogen can be prevented from being concentrated at the bottom of the vehicle body and liquid drop hanging walls can be avoided.
Description
Technical Field
The utility model relates to the field of hydrogen fuel cells, in particular to a pipeline type gas-water separator for a rail transit locomotive tail exhaust system.
Background
The hydrogen supply to the fuel cell is typically greater than the theoretical consumption of hydrogen, and therefore the rail vehicle tail gas stream contains unreacted hydrogen, with an explosion hazard when the hydrogen concentration is greater than 4%. In the field of rail transportation, a part of locomotive bottom is provided with an outer cover, if tail exhaust flow is directly discharged from the lower part, hydrogen is easy to gather at the bottom of the locomotive, and potential safety hazards exist, if the tail exhaust flow is directly discharged from the roof, water in the liquid water mixed in the tail exhaust flow can cause water to be hung on the roof, so that a gas-water separation device which can be integrated in a tail exhaust pipeline is needed to separate gas from water of unreacted hydrogen in the tail exhaust flow, the separated hydrogen is discharged from the roof, and the separated water is discharged from the bottom of the locomotive.
Accordingly, there is a need for a pipeline type gas-water separator for a rail transit locomotive tail gas system that solves the above-mentioned technical problems.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide the pipeline type gas-water separator for the rail transit locomotive tail row system, which is simple in structure and convenient to install.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a pipeline gas-water separator for a rail transit locomotive tail row system, comprising: the novel filter comprises a barrel, wherein one free end of the barrel is provided with a tail exhaust flow air inlet, the other free end of the barrel is provided with a plugging plate, the top of the barrel is provided with an air outlet, the bottom of the barrel or the bottom of the plugging plate is provided with an water outlet, at least one coarse filter orifice, at least one fine filter orifice and a plurality of baffle plates are arranged in the barrel, the coarse filter orifice is close to the tail exhaust flow air inlet, the fine filter orifice is close to the plugging plate, the baffle plates are respectively spaced apart from the coarse filter orifice, the fine filter orifice and the plugging plate, a front end baffle notch is arranged between the baffle plate between the tail exhaust flow air inlet and the fine filter orifice and the inner wall of the barrel, a plurality of coarse filter orifices are arranged on the coarse filter orifice, the front end baffle notch and the coarse filter orifice form a labyrinth type flow channel in the barrel together, the fine filter orifice is provided with a plurality of fine filter orifices, the size of fine filter orifice is smaller than the coarse filter orifice, the baffle plate between the fine filter orifice and the inner wall of the barrel is provided with a rear end baffle notch, and the baffle plate between the fine filter orifice and the plugging plate is provided with a plurality of flow channels.
Preferably, a pipeline type gas-water separator for a rail transit locomotive tail row system in the present utility model is further configured to: the baffle notch of the baffle plate which is adjacently arranged with the plugging plate is positioned at the bottom of the cylinder body.
Preferably, a pipeline type gas-water separator for a rail transit locomotive tail row system in the present utility model is further configured to: the baffles are all made of notched circular plates.
Preferably, a pipeline type gas-water separator for a rail transit locomotive tail row system in the present utility model is further configured to: the baffle plate between the tail exhaust gas flow air inlet and the fine filtering orifice plate is arranged in a flat plate shape.
Preferably, a pipeline type gas-water separator for a rail transit locomotive tail row system in the present utility model is further configured to: the rough filter plate and the fine filter plate are both made of full circular plates, a plurality of rough filter holes are uniformly arranged at 2/3 area of the full circular plates, and a plurality of fine filter holes are uniformly arranged on the whole full circular plates.
Preferably, a pipeline type gas-water separator for a rail transit locomotive tail row system in the present utility model is further configured to: the bottom of the inner wall of the cylinder body is provided with a water outlet groove communicated with the water outlet.
Preferably, a pipeline type gas-water separator for a rail transit locomotive tail row system in the present utility model is further configured to: the runner grooves are vertically distributed.
Preferably, a pipeline type gas-water separator for a rail transit locomotive tail row system in the present utility model is further configured to: the labyrinth flow channel is arranged in an S shape.
Preferably, a pipeline type gas-water separator for a rail transit locomotive tail row system in the present utility model is further configured to: the cylinder comprises an upper cylinder and a lower cylinder welded with the upper cylinder.
Preferably, a pipeline type gas-water separator for a rail transit locomotive tail row system in the present utility model is further configured to: the air outlet is arranged close to the plugging plate.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the coarse filter plate, the fine filter plate and the plurality of baffles are arranged, so that the separation efficiency of gas and liquid drops is greatly improved. According to the utility model, the air outlet is arranged above the cylinder body, and the water outlet is arranged at the bottom of the cylinder body, so that the hydrogen is prevented from being concentrated at the bottom of the vehicle body, and the liquid drop wall hanging is prevented.
Drawings
FIG. 1 is a schematic diagram showing an exploded structure of a pipe-type gas-water separator according to the present utility model.
In fig. 1: 1. the device comprises a cylinder body, 10, an upper cylinder body, 11, a lower cylinder body, 12, a tail gas flow inlet, 13, a plugging plate, 14, a gas outlet, 15, a water outlet, 16, a water outlet tank, 2, a first coarse filter plate, 20, a first coarse filter plate, 3, a second coarse filter plate, 30, a second coarse filter plate, 4, a fine filter plate, 40, a fine filter plate, 50, a first baffle, 51, a second baffle, 52, a third baffle, 53, a fourth baffle, 54, a fifth baffle, 500, a first baffle notch, 510, a second baffle notch, 520, a third baffle notch, 530, a fourth baffle notch, 540, a fifth baffle notch, 55, a sixth baffle, 550, a first flow channel groove, 551, a sixth baffle notch, 56, a seventh baffle, 560, a second flow channel groove, 561 and a seventh baffle notch.
Detailed Description
A pipeline type gas-water separator for a rail transit locomotive tail row system according to the present utility model will be described in further detail by way of specific examples.
Referring to fig. 1, a pipeline type gas-water separator for a rail transit locomotive tail row system, comprising: barrel 1, barrel 1 includes barrel 10 and with last barrel 10 looks welded lower barrel 11, the installation of barrel internals can be made things convenient for in the design of two halves, the left end of barrel 1 is equipped with tail exhaust stream air inlet 12, thereby the right-hand member of barrel 1 is equipped with shutoff board 13 and seals the right-hand member of barrel 1, the top of barrel 1 is equipped with gas outlet 14, gas outlet 14 is close to shutoff board 13 setting. In this embodiment, the bottom of the plugging plate 13 is provided with a water outlet 15, and the bottom of the inner wall of the cylinder 1 is provided with a water outlet groove 16 communicated with the water outlet 15. Of course, in other embodiments, the water outlet 15 may be disposed at the bottom of the barrel 1, which may also implement the present utility model.
In the present embodiment, two coarse filter plates (the first coarse filter plate 2 and the second coarse filter plate 3), one fine filter plate 4, and seven baffles (the first baffle 50, the second baffle 51, the third baffle 52, the fourth baffle 53, the fifth baffle 54, the sixth baffle 55, and the seventh baffle 56) are provided in the cylinder 1, and the plugging plate 13, the coarse filter plate, the fine filter plate 4, and the baffles are welded to the cylinder 1, respectively. Of course, in other embodiments, the number of the coarse filtration pore plate, the fine filtration pore plate 4 and the baffle plates may be determined according to the flow rate of the tail exhaust flow and the water content of the tail exhaust flow, the coarse filtration pore plate is disposed close to the tail exhaust flow air inlet 12, the fine filtration pore plate 4 is disposed close to the plugging plate 13, the first baffle 50 is disposed between the tail exhaust flow air inlet 12 and the first coarse filtration pore plate 2, the second baffle 51, the third baffle 52 and the fourth baffle 53 are disposed between the first coarse filtration pore plate 2 and the second coarse filtration pore plate 3, the fifth baffle 54 is disposed between the second coarse filtration pore plate 3 and the fine filtration pore plate 4, the sixth baffle 55 and the seventh baffle 56 are disposed between the fine filtration pore plate 4 and the plugging plate 13, the baffle plates are made of notched circular plates, the first baffle 50, the second baffle 51, the third baffle 52, the fourth baffle 53 and the fifth baffle 54 are disposed in a flat plate shape, a first baffle notch 500 is disposed between the first baffle 50 and the inner wall of the cylinder 1, a notch 51 is disposed between the second baffle 51 and the inner wall 1 and the fifth baffle 1, a notch 510 is disposed between the fifth baffle 54 and the fifth baffle 520 is disposed between the fifth baffle 1 and the fifth baffle 520, a notch is disposed between the fifth baffle 52 and the fifth baffle 1 and the fifth baffle 54 is disposed between the fifth baffle 1 and the cylinder 54. The first coarse filtration pore plate 2 is made of an all-round plate, a plurality of first coarse filtration pores 20 are arranged on the first coarse filtration pore plate 2, a plurality of first coarse filtration pores 20 are uniformly arranged at the 2/3 area of the all-round plate, the second coarse filtration pore plate 3 is made of an all-round plate, a plurality of second coarse filtration pores 30 are arranged on the second coarse filtration pore plate 3, a plurality of second coarse filtration pores 30 are uniformly arranged at the 2/3 area of the all-round plate, the first baffle notch 500, the second baffle notch 510, the third baffle notch 520, the fourth baffle notch 530 and the fifth baffle notch 540 form a labyrinth type runner together with the first coarse filtration pores 20 and the second coarse filtration pores 30 in the cylinder body 1, in this embodiment, the labyrinth type runner is in an S-shaped arrangement, the fine filtration pore plate 4 is made of an all-round plate, the size of the fine filtration pore plate 4 is smaller than the size of the first coarse filtration pores 20 and the second coarse filtration pores 30, and the size of the fine filtration pores 40 are uniformly arranged on the whole all-round plate 40. The sixth baffle 55 is provided with a plurality of first runner grooves 550 which are vertically arranged, the seventh baffle 56 is provided with a plurality of second runner grooves 560 which are vertically arranged, the first runner grooves 550 and the second runner grooves 560 can facilitate small liquid drops to be converged into large liquid drops and liquid films, a sixth baffle notch 551 is arranged between the sixth baffle 55 and the inner wall of the barrel 1, a seventh baffle notch 561 is arranged between the seventh baffle 56 and the inner wall of the barrel 1, and the sixth baffle notch 551 and the seventh baffle notch 561 are commonly called as rear end baffle notches. The seventh baffle notch 561 of the baffle plate (i.e., the seventh baffle plate 56) disposed adjacent to the blocking plate 13 is located at the bottom of the cylinder 1, and this design has the advantages that: firstly, the liquid drops on the baffle plate conveniently flow from the bottom of the cylinder body 1 to the water outlet 15, secondly, the mass of the gas is lighter than that of the liquid drops, so when the gas flow passes through the seventh baffle notch 561 of the last baffle plate from the bottom, the gas in the gas flow rises to the top of the cylinder body 1 and is discharged from the gas outlet 14 at the top of the cylinder body 1, and the liquid drops in the gas flow to the water outlet 15 at the bottom under the action of gravity, so that the separation effect of the gas and the liquid drops is further improved.
The working principle of the pipeline type gas-water separator in the utility model is as follows: the tail exhaust flow (the tail exhaust flow contains gas and liquid drops) enters the cylinder 1 from the tail exhaust flow air inlet 12 at the left end of the cylinder 1, the gas in the tail exhaust flow bends around the baffle plate, namely, the gas in the tail exhaust flow moves along the S-shaped labyrinth flow channel, when the gas flowing direction in the tail exhaust flow is changed, the gas in the tail exhaust flow can exert liquid drop gas phase drag force on the tail exhaust flow, liquid drops in the tail exhaust flow can generate centrifugal force relative to the gas in the tail exhaust flow, when the liquid drops pass through the first baffle plate 50, because the centrifugal force of the large liquid drops is larger than the gas phase drag force exerted by the liquid drops, the centrifugal force of the small liquid drops is smaller than the gas phase drag force exerted by the liquid drops, so that the large liquid drops linearly collide with the first baffle plate 50 and are attached to the wall surface of the first baffle plate 50, the large liquid drops on the wall surface are polymerized to form a liquid film, and flow downwards along the wall surface due to self gravity, and finally collected by the water outlet groove 16 at the bottom of the cylinder body 1, the small liquid drops continue to move along the S-shaped labyrinth flow channel along with the gas in the tail gas flow, then the tail gas flow filtered by the first baffle plate 50 passes through the first coarse filtration pore 20 of the first coarse filtration pore plate 2, according to the theory of hydrodynamics, the smaller the flow area is, the larger the flow speed of the gas flow is, therefore, when the tail gas flow passes through the first coarse filtration pore 20 of the first coarse filtration pore plate 2, the larger the flow area is due to the decrease of the flow area, the larger the centrifugal force is applied to the small liquid drops, and the larger the centrifugal force is applied to the small liquid drops, due to the fact that the centrifugal force of the small liquid drops is larger than the gas phase drag force applied to the small liquid drops, the small liquid drops linearly collide with the second baffle plate 51 and are attached to the wall surface of the second baffle plate 51, the large liquid drops are formed after being polymerized, the large liquid drops form a liquid film after being downward along the wall surface due to self gravity, and then continue to move along the S-shaped labyrinth flow channel, the droplets in the air flow collide with the third baffle plate 52 and the fourth baffle plate 53, then pass through the second coarse filter holes 30 of the second coarse filter hole plate 3, then collide with the fifth baffle plate 54, so as to improve the separation effect of the droplets, finish coarse filtering of the droplets, then pass through the fine filter holes 40 of the fine filter hole plate 4, the size of the fine filter holes 40 is smaller than that of the first coarse filter holes 20 and the second coarse filter holes 30, so that the air flow area is smaller, the flow speed of the air flow is higher, so that when the air flow passes through the fine filter holes 40 of the fine filter hole plate 4, the air flow speed is further increased, the centrifugal force to which the small droplets are subjected is also greater, so that the small droplets continuously collide with the sixth baffle plate 55 and the seventh baffle plate 56 to fine filter the droplets, and the air flow from the bottom is lighter than that of the droplets, so that when the air flow passes through the seventh baffle plate notch 561 of the seventh baffle plate 56 from the bottom, the air flow rises to the top of the cylinder 1 and is discharged from the air outlet 14 at the top of the cylinder 1, and the droplets in the air flow under the action of gravity flow to the water outlet 15 at the bottom, so that the separation effect of the air flow and the droplets is further improved.
In summary, the utility model greatly improves the separation efficiency of gas and liquid drops by arranging the coarse filter plate, the fine filter plate and the plurality of baffles. According to the utility model, the air outlet is arranged above the cylinder body, and the water outlet is arranged at the bottom of the cylinder body, so that the hydrogen is prevented from being concentrated at the bottom of the vehicle body, and the liquid drop wall hanging is prevented.
The above-described embodiments are merely illustrative of the principles and functions of the present utility model, and some of the practical examples, not intended to limit the utility model; it should be noted that modifications and improvements can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the present utility model.
Claims (10)
1. A pipeline type gas-water separator for a rail transit locomotive tail row system, which is characterized in that: comprising the following steps: the novel filter comprises a barrel, wherein one free end of the barrel is provided with a tail exhaust flow air inlet, the other free end of the barrel is provided with a plugging plate, the top of the barrel is provided with an air outlet, the bottom of the barrel or the bottom of the plugging plate is provided with an water outlet, at least one coarse filter orifice, at least one fine filter orifice and a plurality of baffle plates are arranged in the barrel, the coarse filter orifice is close to the tail exhaust flow air inlet, the fine filter orifice is close to the plugging plate, the baffle plates are respectively spaced apart from the coarse filter orifice, the fine filter orifice and the plugging plate, a front end baffle notch is arranged between the baffle plate between the tail exhaust flow air inlet and the fine filter orifice and the inner wall of the barrel, a plurality of coarse filter orifices are arranged on the coarse filter orifice, the front end baffle notch and the coarse filter orifice form a labyrinth type flow channel in the barrel together, the fine filter orifice is provided with a plurality of fine filter orifices, the size of fine filter orifice is smaller than the coarse filter orifice, the baffle plate between the fine filter orifice and the inner wall of the barrel is provided with a rear end baffle notch, and the baffle plate between the fine filter orifice and the plugging plate is provided with a plurality of flow channels.
2. A ducted gas-water separator for a rail transit locomotive tail row system as claimed in claim 1, wherein: the baffle notch of the baffle plate which is adjacently arranged with the plugging plate is positioned at the bottom of the cylinder body.
3. A ducted gas-water separator for a rail transit locomotive tail row system as claimed in claim 1, wherein: the baffles are all made of notched circular plates.
4. A ducted gas-water separator for a rail transit locomotive tail row system as claimed in claim 3, wherein: the baffle plate between the tail exhaust gas flow air inlet and the fine filtering orifice plate is arranged in a flat plate shape.
5. A ducted gas-water separator for a rail transit locomotive tail row system as claimed in claim 1, wherein: the rough filter plate and the fine filter plate are both made of full circular plates, a plurality of rough filter holes are uniformly arranged at 2/3 area of the full circular plates, and a plurality of fine filter holes are uniformly arranged on the whole full circular plates.
6. A ducted gas-water separator for a rail transit locomotive tail row system as claimed in claim 1, wherein: the bottom of the inner wall of the cylinder body is provided with a water outlet groove communicated with the water outlet.
7. A ducted gas-water separator for a rail transit locomotive tail row system as claimed in claim 1, wherein: the runner grooves are vertically distributed.
8. A ducted gas-water separator for a rail transit locomotive tail row system as claimed in claim 1, wherein: the labyrinth flow channel is arranged in an S shape.
9. A ducted gas-water separator for a rail transit locomotive tail row system as claimed in claim 1, wherein: the cylinder comprises an upper cylinder and a lower cylinder welded with the upper cylinder.
10. A ducted gas-water separator for a rail transit locomotive tail row system as claimed in claim 1, wherein: the air outlet is arranged close to the plugging plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322980290.8U CN220294376U (en) | 2023-11-06 | 2023-11-06 | Pipeline type gas-water separator for rail transit locomotive tail row system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322980290.8U CN220294376U (en) | 2023-11-06 | 2023-11-06 | Pipeline type gas-water separator for rail transit locomotive tail row system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220294376U true CN220294376U (en) | 2024-01-05 |
Family
ID=89346768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322980290.8U Active CN220294376U (en) | 2023-11-06 | 2023-11-06 | Pipeline type gas-water separator for rail transit locomotive tail row system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220294376U (en) |
-
2023
- 2023-11-06 CN CN202322980290.8U patent/CN220294376U/en active Active
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