CN109131433A - It takes the micro- sand injecting type high-speed train bogie of heat and quickly removes accumulated snow anti-icing system and method - Google Patents
It takes the micro- sand injecting type high-speed train bogie of heat and quickly removes accumulated snow anti-icing system and method Download PDFInfo
- Publication number
- CN109131433A CN109131433A CN201810683314.4A CN201810683314A CN109131433A CN 109131433 A CN109131433 A CN 109131433A CN 201810683314 A CN201810683314 A CN 201810683314A CN 109131433 A CN109131433 A CN 109131433A
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- sand
- bogie
- storage box
- ice
- return
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- 239000004576 sand Substances 0.000 title claims abstract description 205
- 238000000034 method Methods 0.000 title claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000005488 sandblasting Methods 0.000 claims description 33
- 244000035744 Hura crepitans Species 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 11
- 239000005457 ice water Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 9
- 239000007787 solid Substances 0.000 abstract description 6
- 239000002344 surface layer Substances 0.000 abstract description 2
- 239000000155 melt Substances 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 239000000314 lubricant Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- -1 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 241000533950 Leucojum Species 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K11/00—Serving peculiar to locomotives, e.g. filling with, or emptying of, water, sand, or the like at the depots
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Catching Or Destruction (AREA)
Abstract
The present invention is a kind of quick de-icing method of hot sand injecting type high-speed train bogie and system, is related to the processing to freeze to accumulated snow on train EEF bogie bogie, is arranged under car body, belongs to vehicular, the accumulated snow that can remove EEF bogie under vehicle at any time freezes.It is solid in the principle that the layers of ice on bogie critical component melts that can will be tied using heat, small sand grains is injected in ice using high-speed jetting devices, ice sheet is broken into honeycomb, since sand grains carries heat, the heat of sand grains can directly melt ice.The speed of ice-melt is fast, and effect is good.Compared with the mode that tradition water melts, water can only act on ice sheet surface layer, and the micro- sand of high speed can inject ice sheet certain depth, by the fast melt from level to level that freezes.
Description
Technical Field
The invention relates to a technology for treating an ice layer on a train bogie.
Background
With the increasing high-speed motor train units in severe cold areas and other ultralow temperature areas in the north of China, when a high-speed train runs in cold winter, large-area accumulated snow icing can occur in a train bogie area due to environmental wind snow and line accumulated snow, key parts of a bogie are seriously accumulated with accumulated snow icing, hidden dangers are brought to safe running of the high-speed train, and railway maintenance cost is increased.
The high-speed train is at the wind snow environment operation in winter in-process, and the snowflake that produces train wind and smuggle secretly can get into the bogie region, and the snowflake that rises between the track section also can get into and adhere to and walk on the car and walk a key member under, and bogie region structure is complicated, and the snow not only can form and freeze, and some positions can melt into water under bogie heating element etc. effect, then more quickly becomes ice, and reciprocal effect can form great ice sheet or ice-cube at last. Snow and ice at corresponding positions can cause extrusion movement, which hinders normal movement of each part of the bogie, not only damages the bogie parts, but also reduces the maintenance reliability thereof. The problem of snow accumulation and icing of the high-speed train bogie is also a concern abroad, and therefore the problem of snow accumulation and icing of the high-speed train bogie is always a key concern of related railway departments at home and abroad.
Some deicing technologies have been studied abroad, for example, there are a technology of spraying mixed water or mixed liquid and a deicing technology of discharging gas by using an air conditioning system, a technology of melting and adhering ice and snow by using heat generated by slight friction between a brake disc and a brake pad is adopted by a japanese new-rail train, and a technology of spraying a surface similar to paint in advance for spraying and preventing freezing, a technology of blowing air by using vehicle-mounted compressed air for removing floating snow and the like are also adopted by a motor train unit in China. In order to more effectively relieve the problem of snow accumulation and icing of the bogie in severe cold and icy weather and ensure the safety of the motor train unit, the deicing technology is still under further research.
The ice layer is relatively hard, the water spray has only a slight effect on the frozen surface layer, much water needs to be sprayed, and the water immediately falls down as soon as it reaches the ice surface. In cold weather conditions, excess water will cause more ice in the track section.
Disclosure of Invention
The invention aims to find an efficient deicing mode, realize direct deicing, quickly solve the problem of accumulated snow icing of a bogie and ensure the safety of a motor train unit.
The technical scheme of the invention is as follows: the tiny hot sand particles with heat are sprayed into an ice layer on a train bogie, the ice is immediately beaten into a honeycomb shape by the high-speed tiny sand, and the ice can be directly melted by the heat of the tiny sand.
Technical scheme one
A method for quickly removing accumulated snow and icing of a bogie of a heat-carrying micro-sand jet type high-speed train is characterized by comprising the following steps of: the heated sand grains are sprayed into an ice layer condensed on a train bogie by using a spraying device, the ice layer with a certain depth is beaten into a honeycomb shape, and the ice is directly melted by using hot sand to realize rapid snow removal. The micro sand is carried with heat to melt the ice layer quickly layer by layer, and the ice layer is cleaned quickly.
Technical scheme two
The technical scheme of the invention is as follows:
a system for quickly removing accumulated snow and icing of a heat-carrying micro-sand jet type high-speed train bogie is characterized by comprising a deicing system, a circulating system, a hanging system and a high-pressure air connecting system; the deicing system comprises a sand storage box 3, a heating belt 4, a sand blasting connecting pipe 8, a sand blasting air-sand mixer 10, a hose 12 and a nozzle 14; the circulating system comprises a sand return air-sand mixer 19, a sand return collecting hopper 16, a sand recovery pipeline 6 and a sand box sand recovery inlet 2; the high-pressure air connecting system comprises a sand blasting mixer 10, a sand blasting high-pressure air connecting pipe 9, a sand returning air-sand mixer 19 and a sand returning high-pressure air connecting pipe 15; the hanging system comprises a left sand storage box hanging rod 1, a right sand storage box hanging rod 7, a nozzle hanging rod 13 and a sand return collection hopper hanging rod 17; wherein,
a sand box sand inlet 5 is arranged on the sand storage box 3 and used for adding sand to the sand storage box 3; the heating belt 4 is arranged on the sand storage box 3 and used for heating sand grains in the sand storage box 3, and the heating belt 4 is connected with a vehicle-mounted power supply; the sand storage box 3 is connected with a sand blasting air-sand mixer 10 through a sand blasting connecting pipe 8; the sand blasting air-sand mixer 10 is connected with a nozzle 14 through a hose 12 to realize the outward spraying of sand from the nozzle, and the hose 12 can realize the adjustment of the spraying position; the sand return collecting hopper 16 is used for recovering sand particles which are sprayed out from the nozzle 14 and fall; it is connected with a sand return air-sand mixer 19 through a sand return connecting pipe 18; a returned sand collecting pipeline 6 is arranged on the returned sand air-sand mixer 19, and the returned sand collecting pipeline 6 returns to the sand storage box 3 through the sand box recovered sand inlet 2; one end of the sand blasting high-pressure air connecting pipe 9 is connected with the sand blasting air-sand mixer 10, and the other end of the sand blasting high-pressure air connecting pipe is connected with the vehicle-mounted high-pressure air, and is used for providing high-pressure air for the sand blasting air-sand mixer 10 to promote micro sand to be sprayed out to the nozzle 14; one end of the sand return high-pressure air connecting pipe 15 is connected with the sand return air-sand mixer 19, and the other end of the sand return high-pressure air connecting pipe is connected with the vehicle-mounted high-pressure air for providing high-pressure air for the sand return air-sand mixer 19 so as to return micro sand to the sand storage box 3; the left sand storage box hanging rod 1 and the right sand storage box hanging rod 7 are arranged at the lower part of the train body or the position of a bogie so as to hang the sand storage box 3 below the train body; the nozzle hanging rod 13 is arranged at the lower part of the train body or the position of a bogie so as to hang and hang the nozzle 14 at a proper height; the sand return collecting hopper hanging rod 17 is installed at the lower part of the train body or the position of a bogie, so that the sand return collecting hopper 16 is hung and hung at a proper height.
According to the invention, the technology of melting ice in an ice layer by heat is adopted, micro sand particles carrying heat are injected into the ice layer, the ice layer is quickly melted by hot sand, direct deicing is realized, the problem of accumulated snow icing of the bogie is quickly solved, and the safety of the motor train unit is ensured. Compared with a water spraying or liquid spraying technology, a large amount of water or liquid can be prevented from falling and spreading between the rails to increase icing.
In addition, the micro-sand particles are also made of the track antifriction solid lubricant with quite good effect, and even a small amount of micro-sand particles fall on the track, the micro-sand particles have no negative effect and have a lubricating effect.
Drawings
FIG. 1 is an illustration of a system for removing snow and ice by micro-sand injection;
FIG. 2 is an axonometric view of a micro-sand jet type snow and ice removing system.
Reference numerals:
the sand box comprises a left sand storage box hanging rod 1, a sand box recovery sand inlet 2, a sand storage box 3, a heating belt 4, a sand box sand inlet 5, a sand recovery pipeline 6, a right sand storage box hanging rod 7, a sand blasting connecting pipe 8, a sand blasting high-pressure air connecting pipe 9, a sand blasting air-sand mixer 10, a valve 11, a hose 12, a nozzle hanging rod 13, a nozzle 14, a sand return high-pressure air connecting pipe 15, a sand return collecting hopper 16, a sand return collecting hopper hanging rod 17, a sand return connecting pipe 18 and a sand return air-sand mixer 19.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the embodiment.
The invention aims to spray tiny hot sand particles with heat into an ice layer on a train bogie, immediately beat the ice into a honeycomb shape, and directly melt the ice layer by the heat of the hot sand.
In the carriage of the high-speed train, the train body is positioned at the upper part, the bogie is used as a running part and is positioned at the lower part, and the device in the system is hung below the train body through a hanging rod and also can be hung and fixed at a proper part of the bogie in consideration of sufficient installation space under the train.
As shown in fig. 1, the sand storage box 3 is used for storing tiny sand grains, is suspended by a left sand storage box suspension rod 1 and a right sand storage box suspension rod 7, is suspended and mounted on a lower plate of a vehicle body, and can be fixed by bolts, so as to reduce the length of the suspension rods, and can also be fixed at a proper position of a bogie. The top of the sand storage box 3 is provided with a sand box sand inlet 5 and a sand box sand recovery inlet 2. New sand can be added from the sand inlet 5 of the sand box, and the sand inlet 5 of the sand box is provided with a cover plate which can be lifted; the sand box recovery sand inlet 2 is used for subsequent sand recovery. The heating belt 4 is a flexible heating belt and is used for heating the sand storage box 3, and the heating belts 4 are two or more and are connected with a vehicle-mounted power supply to supply power.
And the sand blasting connecting pipe 8 is connected to one end of the sand storage box 3, is positioned at the right lower part of the sand storage box 3, is staggered with the sand storage box hanging rod 7, and can be arranged at a position which can refer to a reserved connecting hole at the lower part of the other side of the sand storage box 3 in the figure 2 (the reserved connecting hole at the side can be provided with a hole and plugged by a plug).
Since the train is provided with the air cylinder and can be directly used, the sand blasting air-sand mixer 10 is connected with the vehicle-mounted high-pressure air through the sand blasting high-pressure air connecting pipe 9 and is connected with the sand storage box 3 through the sand blasting connecting pipe 8. The right end of the sand blasting air-sand mixer 10 is provided with a valve 11, the valve 11 is connected with a hose 12, and the right end of the hose 12 is provided with a nozzle 14. The micro sand particles are driven by high-pressure air in the sand blasting air-sand mixer 10 to flow to the nozzle 14 through the hose 12, and the size of the spraying strength is adjusted through the valve 11. The hose 12 is used to allow adjustment of the position of the nozzle 14, allowing adjustment of the spray position. The nozzle system is suspended by a nozzle suspension rod 13, suspended and mounted on the lower plate of the vehicle body, and can be fixed by bolts, so as to reduce the length of the suspension rod and also can be fixed at a proper position of the bogie.
The micro-sand particles are particles made of special materials and polytetrafluoroethylene or polytetrafluoroethylene-based solid lubricants and can serve as solid lubricants with good effects.
The micro sand grains can be immediately melted and frozen, water containing the sand grains can flow downwards and also can fall downwards, even if the micro sand grains fall on a track, the originally adopted micro sand grains are the solid lubricant with quite good effect, and the micro sand grains can be grains made of special materials, polytetrafluoroethylene or polytetrafluoroethylene-based solid lubricant and the like.
But in order to recycle, this system has additionally set up sand grain recovery unit, and this recovery unit includes return sand wind sand blender, return sand collection fill 16 and filters the piece, adopts return sand collection fill 16 to collect the little sand grain. The returned sand collecting hopper 16 is internally provided with a filter which can filter out ice water and only leave the micro sand grains in the hopper. The returned sand collecting hopper 16 is suspended by a returned sand collecting hopper hanging rod 17. The hanging rod 17 is mounted on the lower plate of the vehicle body and can be fixed by bolts, and in order to reduce the length of the hanging rod, the hanging rod can also be fixed at a proper position of the bogie.
The sand return collecting hopper 16 is connected with the sand return air-sand mixer 19 through a sand return connecting pipe 18, and the sand return is driven by high-pressure air in the sand air-sand mixer 19 and flows to the sand box sand recovery inlet 2 through the sand recovery pipeline 6. The sand box recovered sand inlet 2 is provided with a strip-shaped plate which can be drawn out, so that recovered sand can be blocked from entering the sand storage box 3 when the sand box is not drawn out, a sealing effect is achieved, and the recovered sand can enter the sand storage box 3 when the sand box is drawn out. The sand return high-pressure air connecting pipe 15 is connected with vehicle-mounted high-pressure air and is also directly introduced from an air reservoir on the train.
Claims (4)
1. A method for quickly removing accumulated snow and icing of a bogie of a heat-carrying micro-sand jet type high-speed train is characterized by comprising the following steps of: the heated sand grains are sprayed into an ice layer aggregated on a train bogie by using a spraying device, the ice layer is beaten into a honeycomb shape, the ice can be directly melted by using the heat of the sand, and snow and ice can be quickly removed.
2. A system for quickly removing accumulated snow and icing of a heat-carrying micro-sand jet type high-speed train bogie is characterized by comprising a deicing system, a circulating system, a hanging system and a high-pressure air connecting system;
the deicing system comprises a sand storage box (3), a heating belt (4), a sand blasting connecting pipe (8), a sand blasting air-sand mixer (10), a hose (12) and a nozzle (14);
the circulating system comprises a sand return air-sand mixer (19), a sand return collecting hopper (16), a sand recovery pipeline (6) and a sand box sand recovery inlet (2);
the high-pressure air connecting system comprises a sand blasting mixer (10), a sand blasting high-pressure air connecting pipe (9), a sand returning air-sand mixer (19) and a sand returning high-pressure air connecting pipe (15);
the hanging system comprises a left sand storage box hanging rod (1), a right sand storage box hanging rod (7), a nozzle hanging rod (13) and a sand return collection hopper hanging rod (17);
wherein,
a sand box sand inlet (5) is arranged on the sand storage box (3) and is used for adding sand to the sand storage box (3);
the heating belt (4) is arranged on the sand storage box (3) and used for heating sand grains in the sand storage box (3), and the heating belt (4) is connected with a vehicle-mounted power supply;
the sand storage box (3) is connected with a sand blasting air-sand mixer (10) through a sand blasting connecting pipe (8);
the sand blasting air-sand mixer (10) is connected with a nozzle (14) through a hose (12) to realize the outward ejection of sand grains from the nozzle; the hose (12) is used for adjusting the spraying position according to the condition;
the sand return collecting hopper (16) is used for recovering sand-containing ice water falling after the ice layer is melted, the sand return collecting hopper (16) can filter water sand to leave sand grains, and the sand grains are connected to a sand return air-sand mixer (19) through a sand return connecting pipe (18);
a returned sand collecting pipeline (6) is arranged on the returned sand air-sand mixer (19), and the returned sand collecting pipeline (6) returns to the sand storage box (3) through the sand box recovered sand inlet (2);
one end of the sand blasting high-pressure air connecting pipe (9) is connected with the sand blasting air-sand mixer (10), and the other end of the sand blasting high-pressure air connecting pipe is connected with vehicle-mounted high-pressure air for providing high-pressure air for the sand blasting air-sand mixer (10) to promote micro sand to be sprayed out to the nozzle (14);
one end of the sand return high-pressure air connecting pipe (15) is connected with the sand return air-sand mixer (19), and the other end of the sand return high-pressure air connecting pipe is connected with the vehicle-mounted high-pressure air and is used for providing high-pressure air for the sand return air-sand mixer (19) so as to return micro sand to the sand storage box (3);
the left sand storage box hanging rod (1) and the right sand storage box hanging rod (7) are arranged at the lower part of the train body or the position of a bogie, so that the sand storage box (3) is hung below the train body;
the nozzle hanging rod (13) is arranged at the lower part of a train body or a bogie part so as to hang and hang the nozzle (14) at a proper height;
the sand return collection hopper hanging rod (17) is arranged at the lower part of a train body or a bogie position so as to hang and lift the sand return collection hopper (16) at a proper height.
3. The system for rapidly removing accumulated snow and ice of the heat-carrying micro-sand jet type high-speed train bogie according to claim 2, wherein a valve (11) is arranged between the sand blasting air-sand mixer (10) and the hose (12) for controlling the sand blasting amount.
4. The system for rapidly removing accumulated snow and ice from a bogie of a high-speed train with heat-carrying fine sand injection as claimed in claim 2, wherein the sand box recovered sand inlet (2) is provided with a movable slat which can be pulled out or pushed in for opening or closing the recovered sand inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810683314.4A CN109131433B (en) | 2018-06-28 | 2018-06-28 | Method for quickly removing accumulated snow and icing on bogie of heat-carrying micro-sand jet type high-speed train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810683314.4A CN109131433B (en) | 2018-06-28 | 2018-06-28 | Method for quickly removing accumulated snow and icing on bogie of heat-carrying micro-sand jet type high-speed train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109131433A true CN109131433A (en) | 2019-01-04 |
| CN109131433B CN109131433B (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810683314.4A Expired - Fee Related CN109131433B (en) | 2018-06-28 | 2018-06-28 | Method for quickly removing accumulated snow and icing on bogie of heat-carrying micro-sand jet type high-speed train |
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| Country | Link |
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| CN (1) | CN109131433B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356369A (en) * | 2019-08-15 | 2019-10-22 | 中铁工程设计咨询集团有限公司 | A kind of multi-functional deicing cleaning equipment |
| CN112224172A (en) * | 2020-09-14 | 2021-01-15 | 杭州盛忆镐科技有限公司 | Locomotive spraying mechanism |
| CN113928363A (en) * | 2021-11-15 | 2022-01-14 | 安徽远嘉轨道车辆装备有限公司 | Rail vehicle bogie deicing device |
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- 2018-06-28 CN CN201810683314.4A patent/CN109131433B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110356369A (en) * | 2019-08-15 | 2019-10-22 | 中铁工程设计咨询集团有限公司 | A kind of multi-functional deicing cleaning equipment |
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| CN112224172B (en) * | 2020-09-14 | 2021-11-02 | 杭州盛忆镐科技有限公司 | Locomotive spraying mechanism |
| CN113928363A (en) * | 2021-11-15 | 2022-01-14 | 安徽远嘉轨道车辆装备有限公司 | Rail vehicle bogie deicing device |
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