CN109131433B - Method for quickly removing accumulated snow and icing on bogie of heat-carrying micro-sand jet type high-speed train - Google Patents
Method for quickly removing accumulated snow and icing on bogie of heat-carrying micro-sand jet type high-speed train Download PDFInfo
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- CN109131433B CN109131433B CN201810683314.4A CN201810683314A CN109131433B CN 109131433 B CN109131433 B CN 109131433B CN 201810683314 A CN201810683314 A CN 201810683314A CN 109131433 B CN109131433 B CN 109131433B
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- sand
- air
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- 239000004576 sand Substances 0.000 title claims abstract description 189
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000005488 sandblasting Methods 0.000 claims description 31
- 244000035744 Hura crepitans Species 0.000 claims description 20
- 238000011084 recovery Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000005457 ice water Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 5
- 239000007787 solid 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
- 241000533950 Leucojum Species 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000000243 solution Substances 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
- 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
- 238000012423 maintenance Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to a method and a system for quickly deicing hot sand jet type high-speed train bogies, which relate to the treatment of snow and ice accumulated on bogies of a train running part, are arranged below a train body and belong to a vehicle-mounted type, and can clear away the snow and ice accumulated on the running part under the train at any time.
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.
Snow flakes carried by train wind can enter a bogie area when a high-speed train runs in a wind and snow environment in winter, the snow flakes raised in a track area can also enter and attach to key components of a running part under the train, the bogie area is complex in structure, the snow flakes can not only form ice, but also melt into water under the action of a bogie heating element and the like in some positions, then can be quickly frozen to form a reciprocating effect, and finally form a large ice layer or ice blocks.
deicing technologies have been studied abroad, for example, a technology of spraying mixed water or mixed liquid is adopted abroad, and a deicing technology of discharging gas by an air conditioning system is also used, a technology of melting and adhering ice and snow by 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 for removing floating snow by using vehicle-mounted compressed air and the like are also adopted by a motor train unit in China.
The ice layer is relatively hard, the water spray has only a slight effect on the frozen surface, much water is required, and water falls immediately on the surface of the ice.
Disclosure of Invention
The invention aims to find efficient deicing modes, realize direct deicing, quickly solve the problem of accumulated snow icing of a bogie and ensure the safety of a motor train unit, and discloses a method and a system for quickly removing the accumulated snow icing of heat-carrying micro-sand jet type high-speed train bogie.
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 solution
hot-carrying micro-sand jet type rapid snow and ice removing method for a high-speed train bogie is characterized in that heated sand grains are adopted, a jet device is utilized to jet the heated sand grains into an ice layer condensed on the train bogie, the ice layer with the depth of is beaten into a honeycomb shape, the ice is directly melted by the hot sand, rapid snow removal is realized, hot micro-sand is carried to melt layers of the ice layer rapidly, and the ice layer is cleaned rapidly.
Technical scheme two
The technical scheme of the invention is as follows:
quick snow and ice removing system of a heat-carrying micro-sand jet type high-speed train bogie, which is characterized by comprising a deicing system, a circulating system, a hanging system and a high-pressure air connecting system, wherein 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 blasting air-sand mixer 19, a sand return collecting hopper 16, a sand recovery pipeline 6 and a sand box recovery sand inlet 2, the high-pressure air connecting system comprises a sand blasting air-sand mixer 10, a sand blasting high-pressure air connecting pipe 9, a sand return air-sand mixer 19 and a sand return high-pressure air connecting pipe 15, the hanging system comprises a left sand storage hanging rod 1, a right sand storage hanging rod 7, a nozzle hanging rod 13 and a sand return collecting hopper sand box rod 17,
the sand storage box 3 is provided with a sand box sand inlet 5 used for adding sand grains to the sand storage box 3, the heating belt 4 is arranged on the sand storage box 3 and used for heating the sand grains in the sand storage box 3, 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 and used for ejecting the sand grains outwards from the nozzle, the hose 12 can adjust the ejection position, the sand return collecting hopper 16 is used for recovering the sand grains ejected from the nozzle 14 and is connected with a sand return air-sand mixer 19 through a sand return connecting pipe 18, a sand return collecting pipeline 6 is mounted on the sand return air-sand mixer 19, the sand return collecting pipeline 6 returns to the sand storage box 3 through a sand box recovered sand inlet 2, the end of the sand blasting high-pressure air connecting pipe 9 is connected with the sand blasting air-sand mixer 10, the other end of the high-pressure air connecting pipe is connected with vehicle-mounted high-mounted air for providing high-pressure air to the sand-mounted high-pressure air-mounted high-mounted air-suspended.
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 solution of the present invention is further illustrated in below with reference to the accompanying drawings and examples.
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 a sand blasting connecting pipe 8 which is connected to the end of the sand storage box 3, is positioned at the lower right side of the sand storage box 3, is staggered with the sand storage box hanging rod 7, and can be arranged at a position of a reserved connecting hole at the lower part of the other side of the sand storage box 3 in the drawing 2 (the position of the reserved connecting hole at the side can be provided with a hole and plugged by a plug).
The train is provided with an air cylinder and can be directly introduced, so that the sand blasting air-sand mixer 10 is connected with vehicle-mounted high-pressure air through a sand blasting high-pressure air connecting pipe 9 and is connected with the sand storage box 3 through a sand blasting connecting pipe 8, a valve 11 is installed at the right end of the sand blasting air-sand mixer 10, a hose 12 is connected to the valve 11, a nozzle 14 is installed at the right end of the hose 12, sand grains are driven by the high-pressure air in the sand blasting air-sand mixer 10 and flow to the nozzle 14 through the hose 12, the size of the spraying strength is adjusted through the valve 11, the hose 12 is adopted so that the position of the nozzle 14 can be adjusted and sprayed in multiple positions, the nozzle system is hung by a nozzle hanging rod 13 and is hung and installed on the lower plate of a train body, and can be fixed by bolts so as to reduce the length of the.
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 solid lubricants with quite good effect, and therefore the micro sand grains can be grains made of special materials, polytetrafluoroethylene or polytetrafluoroethylene-based solid lubricants 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, the sand return is driven by high-pressure air in the sand air-sand mixer 19 and flows to the sand box recovery sand inlet 2 through the sand recovery pipeline 6, strip plates capable of being drawn out are arranged on the sand box recovery sand inlet 2, the recovered sand can be blocked to enter the sand storage box 3 when the sand box recovery sand inlet is not drawn out, the sealing effect is achieved, the recovered sand can enter the sand storage box 3 when the sand box recovery sand is drawn out, and 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 cylinder on a train.
Claims (3)
- The method is characterized in that heated sand grains are adopted, a spraying device is utilized to spray the heated sand grains into an ice layer aggregated on a train bogie, the ice layer is beaten into a honeycomb shape, ice can be directly melted by utilizing the heat of the sand, and snow and ice are quickly removed;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 air-sand 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);the 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 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 of the nozzle (14);the 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 is connected with 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 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.
- 2. The method for rapidly removing snow and ice from a bogie of a high-speed train with heat-carrying micro-sand injection as claimed in claim 1, wherein a valve (11) is installed between the sand-blasting air-sand mixer (10) and the hose (12) for controlling the amount of sand blasting.
- 3. The method for rapidly removing snow and ice from a bogie of a high-speed train with heat-carrying fine sand injection as claimed in claim 1, wherein the sand box recovered sand inlet (2) is provided with movable slats 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 CN109131433A (en) | 2019-01-04 |
| CN109131433B true 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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| 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 |
| 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 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2488957Y (en) * | 2001-07-20 | 2002-05-01 | 张启予 | Strong wind snow remover |
| CN102828488A (en) * | 2012-09-04 | 2012-12-19 | 张福臣 | Snow remover, snow sweeper and snow removing method |
| CN103334400A (en) * | 2013-05-29 | 2013-10-02 | 青岛亨泰来机械科技有限公司 | Snow-melting and deicing integrated maintenance equipment |
| CN203958140U (en) * | 2014-06-16 | 2014-11-26 | 长春轨道客车装备有限责任公司 | A kind of sanding device of charged companion's hot merit energy |
| CN204185812U (en) * | 2014-10-21 | 2015-03-04 | 河南亿龙机械设备有限公司 | Road surface trash ice car |
| CN105216826A (en) * | 2015-10-16 | 2016-01-06 | 中南大学 | The anti-accumulated snow device in high-speed train bogie region |
| CN106394607B (en) * | 2016-09-22 | 2018-10-12 | 南京理工大学 | A kind of EMU car load bogie deicer |
| CN108009328A (en) * | 2017-11-23 | 2018-05-08 | 中南大学 | The evaluation method that a kind of anti-accumulated snow of high-speed train bogie freezes |
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- 2018-06-28 CN CN201810683314.4A patent/CN109131433B/en not_active Expired - Fee Related
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