CN213805168U - Train is clear away to railway lines coal dust - Google Patents
Train is clear away to railway lines coal dust Download PDFInfo
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- CN213805168U CN213805168U CN202021989050.4U CN202021989050U CN213805168U CN 213805168 U CN213805168 U CN 213805168U CN 202021989050 U CN202021989050 U CN 202021989050U CN 213805168 U CN213805168 U CN 213805168U
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Abstract
The utility model discloses a train is clear away to railway circuit coal dust, including the flatcar, the articulated railcar in the place ahead of flatcar, the articulated skip car in rear of flatcar, the railcar is used for driving flatcar and skip car, be equipped with the switch board on the flatcar, automatically controlled cabinet, roots vacuum pump, wet dust collector, the pantograph is established at the switch board top, be equipped with open-top's infundibulate carriage on the skip car, top at the infundibulate carriage is equipped with gravity dust collector, roots vacuum pump connects first dust absorption pipeline, wet dust collector is connected to the first dust absorption pipeline other end, second dust absorption pipeline is connected to wet dust collector, gravity dust collector is connected to the second dust absorption pipeline other end, third dust absorption pipeline is connected to gravity dust collector, third dust absorption pipeline side outwards is equipped with hose interface, hose interface connection dust collection hose. The utility model provides a pair of train is clear away to railway lines coal dust, rational in infrastructure, it is easy and simple to handle, can clear up the iron tunnel coal breakage on a large scale, realize that the coal breakage retrieves fast, the coal dust is clear away the effect and is outstanding.
Description
Technical Field
The utility model relates to a pneumatic conveying and dust collector field especially relate to a train is clear away to railway lines coal dust.
Background
The Daqin line is an important coal transportation channel in China, and along with the increase of transportation volume and the increase of speed, the coal dust is difficult to avoid scattering in the transportation process. When a train passes through the device, coal dust is suspended in the air under the action of wind power, so that the driving safety of the locomotive is seriously influenced, and the working environment is polluted; coal dust accumulates day by day, buries fasteners and pollutes a ballast bed, thereby causing hidden danger to the safety of railway lines; in recent years, the national requirements on railway transportation environment protection are higher and higher, so that the control of coal dust pollution in coal transportation is urgent.
At present, an effective method for removing coal dust of railway lines, particularly tunnels, is unavailable, mainly depends on manual cleaning in areas with serious coal dust, and is carried out in the period of centrally repairing or operating skylights, and the method has the disadvantages of heavy operation task, high labor intensity of personnel, high cleaning difficulty and low working efficiency; the dust pollution on site is serious, the visibility is low, and the working environment is severe. Therefore, the development of mechanized special equipment which meets the actual working characteristics on site is urgently needed.
The dust removal mode that has developed at present mainly has tubular dust absorption filter screen filtration, water cannon water spray absorption dust fall and travelling car formula dust absorption, though can clean coal dust and debris that the surface of the interior railway roadbed of tunnel deposits, nevertheless still has following not enoughly: firstly, the dust removal efficiency is low, and a large amount of accumulated coal dust in the tunnel is difficult to remove in a short time; secondly, the dust removal range is small, and the dust removal effect on the wider tunnel ballast bed is general; thirdly, the existing mobile trolley has a complex structure, is not suitable for running on a railway line, and is difficult to install and maintain.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects and shortcomings of the prior art, the railway line coal dust removing train is reasonable in structure and simple and convenient to operate, can be used for cleaning the fallen coal in the iron tunnel in a large range, can be used for rapidly recycling the fallen coal and increasing the coal dust removing effect.
The utility model provides a railway line coal dust removal train for realizing the purpose of the utility model, which comprises a flat car, wherein the front of the flat car is articulated with a rail car, the rear of the flat car is articulated with a material collecting car, the rail car is used for driving the flat car and the material collecting car, the flat car is provided with a power distribution cabinet, an electric control cabinet, a Roots vacuum pump and a wet dust collector, the flat car is provided with a first water tank corresponding to the wet dust collector, the top of the power distribution cabinet is provided with a pantograph, the material collecting car is provided with a funnel-shaped carriage with an opening at the top, the opening at the top of the funnel-shaped carriage is provided with a gravity dust collector, the Roots vacuum pump is provided with a first air inlet and a first air outlet, the first air outlet is connected with the atmosphere, the first air inlet is connected with one end of a first dust absorption pipeline, the other end of the first dust absorption pipeline is connected with a second air outlet arranged on the wet dust collector, the wet dust collector is also provided with a second air inlet and a water outlet which are connected with the first water tank through a water pump, the second air inlet is connected with one end of a second dust suction pipeline, the other end of the second dust suction pipeline is connected with a third air outlet arranged on the gravity dust collector, a third air inlet and a blanking port with a downward opening are arranged on the gravity dust collector, the third air inlet is connected with one end of a third dust suction pipeline, the third dust suction pipeline is wound on the side end of the upper surface of the flat car, a hose connector is outwards arranged on the side surface of the third dust suction pipeline, and a dust suction hose is connected with the hose connector.
As a further improvement of the scheme, the upper end of the inner side wall of the funnel-shaped carriage is connected with a water mist spray head with a dust falling function, and a second water tank is arranged in front of the funnel-shaped carriage and corresponds to the water mist spray head. When the blanking port begins to blank, water in the second water tank is conveyed to the water mist spray head through the water pump, the water mist spray head sprays out the water, a water mist covering surface is formed above the dust raising position, water is saved, and the dust falling effect is improved.
As a further improvement of the scheme, a settling tank is arranged at the bottom of the wet dust collector, and a slurry discharging port is arranged at the bottom of the settling tank. A small amount of coal dust still exists in the airflow passing through the gravity dust collector, and the coal dust is collected through the setting of the settling tank and the slurry discharge port.
As a further improvement of the scheme, a wavy baffle perpendicular to the air inlet is arranged in the gravity dust collector. The arrangement of the wave-shaped baffle plate enables gas to generate small-strand vortex, the blanking detention time is prolonged, meanwhile, the direction of the gas flow is changed through the baffle plate, and the inertia is fully utilized to improve the particle separation efficiency.
As a further improvement of the scheme, the blanking port is provided with a plurality of blanking valves, and the blanking valves are provided with blanking motors correspondingly. The arrangement of the plurality of blanking ports ensures that the gravity dust collector avoids blanking deposition from influencing blanking efficiency when being long, and the blanking speed can be controlled by controlling the opening of the blanking valve through controlling the blanking motor.
As a further improvement of the scheme, the tail end of the third dust suction pipeline is provided with a controllable emptying valve. In order to ensure that the main motor is in no-load state when being started, the emptying valve is opened before the main motor is started, airflow directly enters from the front end of the Roots vacuum pump, the emptying valve is closed after the motor is normally started, the airflow enters the fan through the dust remover through the conveying pipeline, and meanwhile, the negative pressure of the system is adjusted by controlling the opening degree of the controllable emptying valve.
As a further improvement of the scheme, a safety valve is arranged on the Roots vacuum pump. The safety valve is integrated at roots vacuum pump, and when the dust absorption mouth was not installed or the dust absorption mouth was all blocked up under the extreme condition, the fan continued work can cause the negative pressure to be greater than 0.05MPa, arouses equipment damage easily or the personnel injury that cause from this, for this design negative pressure protection device, carries out the pressure release after system's negative pressure reaches the settlement threshold value.
As a further improvement of the proposal, the tail end of the dust suction hose is provided with a duckbill type suction head. The duckbilled suction head can suck coal dust more efficiently.
As a further improvement of the above scheme, the second air inlet of the wet dust collector, the third air inlet and the third air outlet of the gravity dust collector and the pipe walls of the third dust collection pipeline are respectively provided with a wind pressure monitoring device, the wind pressure monitoring devices can detect the pressure of the whole negative pressure system in real time through the wind pressure monitoring devices, the opening of the blanking valve is controlled by controlling the starting and stopping of the blanking motor, the blanking speed of negative pressure and coal dust is regulated and controlled, and the stability of the whole system is maintained.
The utility model has the advantages that:
compared with the prior art, the utility model provides a railway line coal dust clearing train, when using, through the pantograph contact electric wire netting that sets up, avoid traditional device to use the generator electricity generation can produce the problem of noise pollution, through the formation negative pressure system of roots vacuum pump, gravity dust collector and wet dust collector and many dust absorption pipelines, inhale the coal dust into the gravity dust collector, through the second air intake on the wet dust collector, the third air inlet and the third air outlet of gravity dust collector, the wind pressure monitoring device that sets up on the third dust absorption pipeline pipe wall monitors the negative pressure change in real time, thereby adjust the blanking motor, and then adjust the aperture of blanking valve, control blanking speed, fall the coal dust into the carriage, in the blanking process, small-diameter coal dust can cause the raise dust of certain extent, therefore set up a plurality of rotatable shower nozzles on the carriage inside wall, spray the area and can cover whole carriage, solve the raise dust problem, in addition in order to improve gravity dust collector's blanking efficiency, set up the wave baffle in it and be used for increasing the coal dust detention time, change the air current flow direction, set up the relief valve on roots vacuum pump in addition, further avoid roots vacuum pump to last the worker and cause the negative pressure too big and arouse the unnecessary accident, the relief valve is opened and is carried out the pressure release after the negative pressure reaches the settlement threshold value, guarantee roots vacuum pump's motor unloaded through setting up the atmospheric valve, close the atmospheric valve after roots vacuum pump's motor starts normally, the utility model provides a pair of train is clear away to railway line coal dust, rational in infrastructure, easy and simple to handle to can clear up iron tunnel coal fall on a large scale, realize the recovery of coal fall fast, the coal dust is clear away the effect and is obvious.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the middle flat car and the material collecting car of the present invention;
FIG. 3 is a schematic structural view of a Roots vacuum pump of the present invention;
FIG. 4 is a schematic structural view of the gravitational precipitator of the present invention;
FIG. 5 is a schematic view of a middle wet dust collector of the present invention;
fig. 6 is a PLC circuit control diagram of the electric device of the present invention.
Detailed Description
As shown in fig. 1-6, the utility model provides a railway line coal dust removing train, which comprises a flat car 1, a rail car 2 is hinged in front of the flat car 1, a material collecting car 3 is hinged in back of the flat car 1, the rail car 2 is used for driving the flat car 1 and the material collecting car 3, a power distribution cabinet 4, an electric control cabinet 5, a roots vacuum pump 6 and a wet dust collector 7 are sequentially arranged on the flat car 1, a first water tank 8 is arranged on the flat car 1 corresponding to the wet dust collector 7, a pantograph 9 is arranged on top of the power distribution cabinet 4, a funnel-shaped carriage 10 with an opening at top is arranged on the material collecting car 3, a gravity dust collector 11 is arranged at the opening at top of the funnel-shaped carriage 10, a water mist spray nozzle 16 for dust falling is connected to the upper end of the inner side wall of the funnel-shaped carriage 10, a second water tank 17 is arranged in front of the carriage 10, a first air inlet 6.1 and a first air outlet 6.2 are arranged on the roots vacuum pump 6, the Roots vacuum pump 6 is provided with a safety valve, the first air outlet 6.2 is connected with the atmosphere, the first air inlet 6.1 is connected with one end of a first dust suction pipeline 12, the other end of the first dust suction pipeline 12 is connected with a second air outlet 7.2 arranged on a wet dust collector 7, the wet dust collector 7 is provided with a second air inlet 7.1, a water inlet 7.3 and a water outlet 7.4 which are communicated with a first water tank 8 through a water pump and a water pipe, the bottom of the wet dust collector 7 is provided with a settling tank 7.5, the bottom of the settling tank 7.5 is provided with a slurry discharge port, the second air inlet 7.1 is connected with a second dust suction pipeline 13, the other end of the second dust suction pipeline 13 is connected with a third air outlet 11.2 arranged on a gravity dust collector 11, the gravity dust collector 11 is provided with a third air inlet 11.1 and a blanking port 11.3 with a downward opening, the blanking ports 11.3 are provided with a plurality of blanking ports, the blanking ports 11.3 are provided with blanking valves, and blanking motors 11.4 are arranged corresponding to the blanking valves, a wavy baffle 18 perpendicular to the third air inlet 11.1 is arranged in the gravity dust collector 11, the third air inlet 11.1 is connected with one end of a third dust suction pipeline 14, the pipe body of the third dust suction pipeline 14 is wound on the side end of the upper surface of the flat wagon 1, a hose connector 14.1 is arranged on the lateral surface of the third dust suction pipeline 14 outwards, the hose connector 14.1 is connected with a dust suction hose 15, a duckbill-type suction head 20 is arranged at the tail end of the dust suction hose 15, a controllable vent valve 19 is arranged at the tail end of the third dust suction pipeline 14, and wind pressure monitoring devices 21 are arranged on the pipe walls of the second air inlet 7.1 of the wet dust collector 7, the third air inlet 11.1 and the third air outlet 11.2 of the gravity dust collector 11 and the third dust suction pipeline 14.
When the dust collector is used, the dust collector is in contact with a power grid through the arranged pantograph 9 to be electrified, the rail car 2 drives the flat car 1 and the material collecting car 3 to run, the Roots vacuum pump 6 is started, the duckbill suction head 20 sucks coal dust into the dust collection hose 15 along with air flow, the coal dust enters the gravity dust collector 11 through the third dust collection pipeline 14 to be discharged, the value is set through the air pressure monitoring device 21, the starting and stopping of the discharge motor 11.4 are controlled, the opening degree of the discharge valve is further controlled, the coal dust falls into the funnel-shaped carriage 10, the water spray valve is opened, water in the second water tank 17 is led into the water spray nozzle 16 through the water pump and the water pipe to be sprayed for dust settling, the air flow containing the coal dust enters the second dust collection pipeline 13 after being subjected to primary dust settling through the gravity dust collector 11, then enters the wet dust collector 7, the spray valve in the wet dust collector 7 sprays water for secondary dust settling, the settled coal dust enters the settling tank 7.5 to be collected, the air flow enters the Roots vacuum pump 6 through the first dust collection pipeline 12, and discharging from a first air outlet 6.2 of the Roots vacuum pump 6 to continuously collect coal dust. The utility model provides a pair of train is clear away to railway lines coal dust, rational in infrastructure, easy and simple to handle to can clear up the iron tunnel coal breakage on a large scale, realize the recovery of coal breakage fast, the coal dust is clear away the effect and is obvious.
The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a railway line coal dust clears away train which characterized in that: the device comprises a flat car (1), a rail car (2) is hinged in front of the flat car (1), a material collecting car (3) is hinged behind the flat car (1), the rail car (2) is used for driving the flat car (1) and the material collecting car (3), a power distribution cabinet (4), an electric control cabinet (5), a Roots vacuum pump (6) and a wet dust collector (7) are arranged on the flat car (1), a first water tank (8) is arranged on the flat car (1) corresponding to the wet dust collector (7), a pantograph (9) is arranged at the top of the power distribution cabinet (4), a funnel-shaped carriage (10) with an opening at the top is arranged on the material collecting car (3), a gravity dust collector (11) is arranged at the opening at the top of the funnel-shaped carriage (10), a first air inlet (6.1) and a first air outlet (6.2) are arranged on the Roots vacuum pump (6), the first air outlet (6.2) is connected with the atmosphere, the first air inlet (6.1) is connected with one end of a first dust suction pipeline (12), the other end of the first dust suction pipeline (12) is connected with a second air outlet (7.2) arranged on a wet dust collector (7), the wet dust collector (7) is further provided with a second air inlet (7.1) and a water inlet (7.3) and a water outlet (7.4) communicated with a first water tank (8) through pipelines, the second air inlet (7.1) is connected with one end of a second dust suction pipeline (13), the other end of the second dust suction pipeline (13) is connected with a third air outlet (11.2) arranged on a gravity dust collector (11), the gravity dust collector is provided with a third air inlet (11.1) and a blanking port (11.3) with a downward opening, the third air inlet (11.1) is connected with one end of a third dust suction pipeline (14), and the third dust suction pipeline (14) is wound at the side end of the upper surface of the flat wagon (1), and a hose connector (14.1) is arranged on the lateral surface of the third dust collection pipeline (14) outwards, and the hose connector (14.1) is connected with a dust collection hose (15).
2. A railway line smut removal train according to claim 1, wherein: the upper end of the inner side wall of the funnel-shaped carriage (10) is connected with a water mist spray head (16) with a dust falling effect, the water mist spray head (16) corresponds to the water mist spray head, and a second water tank (17) is arranged in front of the funnel-shaped carriage (10).
3. A railway line smut removal train according to claim 1, wherein: the bottom of the wet dust collector (7) is provided with a settling tank (7.5), and the bottom of the settling tank (7.5) is provided with a slurry discharge port.
4. A railway line smut removal train according to claim 1, wherein: and a wavy baffle (18) vertical to the third air inlet (11.1) is arranged in the gravity dust collector (11).
5. A railway line smut removal train according to claim 1, wherein: the blanking port (11.3) is provided with a plurality of, the opening part of blanking port (11.3) all is equipped with the blanking valve, corresponds the blanking valve is equipped with blanking motor (11.4).
6. A railway line smut removal train according to claim 1, wherein: the tail end of the third dust suction pipeline (14) is provided with a controllable emptying valve (19).
7. A railway line smut removal train according to claim 2, wherein: and a safety valve is arranged on the Roots vacuum pump (6).
8. A railway line smut removal train according to claim 1, wherein: the tail end of the dust collection hose (15) is provided with a duckbilled suction head (20).
9. A railway line smut removal train according to claim 1, wherein: and the pipe walls of a second air inlet (7.1) of the wet dust collector (7), a third air inlet (11.1) and a third air outlet (11.2) of the gravity dust collector (11) and a third dust collection pipeline (14) are respectively provided with a wind pressure monitoring device (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021989050.4U CN213805168U (en) | 2020-09-13 | 2020-09-13 | Train is clear away to railway lines coal dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021989050.4U CN213805168U (en) | 2020-09-13 | 2020-09-13 | Train is clear away to railway lines coal dust |
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| Publication Number | Publication Date |
|---|---|
| CN213805168U true CN213805168U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021989050.4U Active CN213805168U (en) | 2020-09-13 | 2020-09-13 | Train is clear away to railway lines coal dust |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114250740A (en) * | 2021-12-22 | 2022-03-29 | 江苏徐工工程机械研究院有限公司 | Track coal suction vehicle, control method thereof and coal suction vehicle group |
| CN115162256A (en) * | 2022-09-08 | 2022-10-11 | 山西五洲科技有限公司 | Railway line coal dust clearing device |
-
2020
- 2020-09-13 CN CN202021989050.4U patent/CN213805168U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114250740A (en) * | 2021-12-22 | 2022-03-29 | 江苏徐工工程机械研究院有限公司 | Track coal suction vehicle, control method thereof and coal suction vehicle group |
| CN114250740B (en) * | 2021-12-22 | 2024-02-02 | 江苏徐工工程机械研究院有限公司 | Rail coal suction vehicle, control method thereof and coal suction vehicle set |
| CN115162256A (en) * | 2022-09-08 | 2022-10-11 | 山西五洲科技有限公司 | Railway line coal dust clearing device |
| CN115162256B (en) * | 2022-09-08 | 2023-02-03 | 山西五洲科技有限公司 | Railway line coal dust clearing device |
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