CN112081056A - Electromagnetic heating and microwave heating-based multifunctional pavement ice and snow removing construction method - Google Patents
Electromagnetic heating and microwave heating-based multifunctional pavement ice and snow removing construction method Download PDFInfo
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- CN112081056A CN112081056A CN202011162400.4A CN202011162400A CN112081056A CN 112081056 A CN112081056 A CN 112081056A CN 202011162400 A CN202011162400 A CN 202011162400A CN 112081056 A CN112081056 A CN 112081056A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 131
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000010426 asphalt Substances 0.000 claims abstract description 17
- 238000002844 melting Methods 0.000 claims abstract description 17
- 230000007480 spreading Effects 0.000 claims abstract description 13
- 230000008018 melting Effects 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims description 74
- 238000001816 cooling Methods 0.000 claims description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 230000017525 heat dissipation Effects 0.000 claims description 34
- 210000001503 joint Anatomy 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 18
- 241001417527 Pempheridae Species 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 239000005413 snowmelt Substances 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005674 electromagnetic induction Effects 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 239000002440 industrial waste Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 210000002268 wool Anatomy 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000005389 magnetism Effects 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 description 9
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- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
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- 238000009825 accumulation Methods 0.000 description 1
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- 150000001875 compounds Chemical class 0.000 description 1
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- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
- E01H5/10—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice by application of heat for melting snow or ice, whether cleared or not, combined or not with clearing or removing mud or water, e.g. burners for melting in situ, heated clearing instruments; Cleaning snow by blowing or suction only
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H10/00—Improving gripping of ice-bound or other slippery traffic surfaces, e.g. using gritting or thawing materials ; Roadside storage of gritting or solid thawing materials; Permanently installed devices for applying gritting or thawing materials; Mobile apparatus specially adapted for treating wintry roads by applying liquid, semi-liquid or granular materials
- E01H10/007—Mobile apparatus specially adapted for preparing or applying liquid or semi-liquid thawing material or spreading granular material on wintry roads
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
- E01H5/10—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice by application of heat for melting snow or ice, whether cleared or not, combined or not with clearing or removing mud or water, e.g. burners for melting in situ, heated clearing instruments; Cleaning snow by blowing or suction only
- E01H5/102—Self-contained devices for melting dislodged snow or ice, e.g. built-in melting chambers, movable melting tanks
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
- E01H5/10—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice by application of heat for melting snow or ice, whether cleared or not, combined or not with clearing or removing mud or water, e.g. burners for melting in situ, heated clearing instruments; Cleaning snow by blowing or suction only
- E01H5/104—Removing devices for dislodging snow or ice; followed by melting the removed material
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
- E01H5/10—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice by application of heat for melting snow or ice, whether cleared or not, combined or not with clearing or removing mud or water, e.g. burners for melting in situ, heated clearing instruments; Cleaning snow by blowing or suction only
- E01H5/108—Devices for melting snow or ice in situ and removing subsequently for the mud or melting water
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The invention relates to the technical field of road snow removal, and provides a multifunctional road surface snow and ice removing construction method based on electromagnetic heating and microwave heating. The invention utilizes the effects of magnetism gathering and microwave reflection to flexibly deal with the ice and snow removal work of asphalt pavements or steel bridge pavements made of different materials, and performs efficient ice/snow removal operation by combining the modes of snow removing shovels pushing snow and spreading snow melting agent, thereby having higher social use value and application prospect.
Description
Technical Field
The invention relates to the technical field of road snow removal, in particular to a multifunctional road surface ice and snow removal construction method based on electromagnetic heating and microwave heating.
Background
Many roads and urban roads in winter in China are often damaged by ice and snow, the road surface is basically in an icing state when the snow falls greatly, the friction coefficient of the road surface is reduced due to the icing of the snow, and the driving safety of the road is seriously influenced. Although the traditional snow removing shovel snow pushing mode has high efficiency, the mode is difficult to remove thin accumulated snow on the road surface or ice slag embedded in the road surface texture, and the mode of spreading the snow melting agent in a large range has the defects of great harm to the road surface and slow effect, so that the problems can be well solved by introducing a rapid heating technology in the snow removing operation.
When snow is accumulated and iced on the bridge deck of the steel box girder structure and the road surface adopting the modified asphalt containing the magnetic material, an induction heating mode is adopted, and the alternating magnetic field generated by the excitation coil causes the interior of the steel plate or the magnetic material to rapidly generate heat by using the Joule effect, so that the ice and snow on the road surface are melted, and the accumulated snow is completely removed without any damage; for ice and snow on a common road surface, a microwave heating mode is adopted, when the ice and snow are directly heated by microwaves, the heating rate is high, the heating effect is good, and the work of removing the accumulated snow can be easily finished.
Based on the two conditions, the invention provides a multifunctional pavement ice and snow removal construction method based on electromagnetic heating and microwave heating.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a multifunctional pavement ice and snow removing construction method based on electromagnetic heating and microwave heating, which overcomes the defects of the prior art, has reasonable design and compact structure, flexibly deals with the ice and snow removing work of asphalt pavements or steel bridge pavements made of different materials by utilizing the effects of magnetism gathering and microwave reflection, efficiently heats ice and snow, and solves the problems of single snow removing mode, incomplete snow removing and great harm to pavements in the traditional snow removing mode.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the multifunctional pavement ice and snow removal construction method based on electromagnetic heating and microwave heating comprises a snow removal truck consisting of a truck body and a truck head driving the truck body to move, wherein the front end of the truck head is provided with a snow removal shovel assembly, and a snow melting agent spreader, a high-power diesel generator, a heat dissipation mechanism and a heating device capable of being turned and adjusted through a mechanical arm structure are sequentially arranged on the truck body from the truck tail to the truck head;
the mechanical arm structure comprises upright columns symmetrically mounted on a vehicle body, mechanical arms I are mounted on the upright columns through electric joints I, mechanical arms II are mounted at the other ends of the mechanical arms I through electric joints II, and the other ends of the two mechanical arms II are connected with heating devices through electric joints III;
the heating device comprises a base plate consisting of microwave reflecting plates, wherein the back surfaces of the microwave reflecting plates are provided with L-shaped magnetic gathering strips arranged in a shape like a Chinese character 'mi', the L-shaped magnetic gathering strips are provided with excitation coils for excitation heating, the peripheries of the excitation coils are provided with protective plates, the front surfaces of the microwave reflecting plates are provided with a plurality of water-cooled magnetrons, and the water-cooled magnetrons are communicated with each other through water-cooled tubes, the edge of the microwave reflecting plate is provided with a shielding cover for covering the water-cooled magnetrons, and the water-cooled magnetron and the exciting coil are both provided with a cooling water inlet and a cooling water outlet which penetrate through the side wall of the protective plate, the interfaces of the cooling water inlet and the cooling water outlet are provided with iron rings, the shell of the heating device is symmetrically provided with a heat radiation fan, the side wall of the substrate is symmetrically provided with two slide rails, the sliding rail is sleeved with sliding blocks in a sliding manner, and the two sliding blocks are respectively connected with the two electric joints III;
the heat dissipation mechanism comprises an air-cooling and water-cooling composite heat dissipation device and a water-cooling pipe butt joint unit;
the water-cooled tube butt-joint unit comprises a water-cooled tube butt-joint platform which is arranged at the lower end of the vehicle body through a hydraulic push rod, four L-shaped cooling water pipelines are arranged in the water-cooled tube butt-joint platform, two cooling water pipelines are provided with two water inlets which are matched with the cooling water inlets, the other two cooling water pipelines are provided with water outlets which are matched with the cooling water outlets, telescopic tubes are respectively arranged on the water inlets and the water outlets, and annular electromagnets which are embedded with iron rings are respectively arranged at the tail ends of the telescopic tubes;
the air-cooling water-cooling composite heat dissipation device is arranged in a case of the high-power diesel generator and is communicated with the water-cooling pipe butt-joint platform through a water delivery pipe;
the snow removing shovel assembly comprises a snow shoveling plate for shoveling snow, the snow shoveling plate is mounted at the front end of the vehicle head through a vehicle body connecting platform, a hydraulic propulsion unit consisting of a plurality of hydraulic push rods is arranged in the vehicle body connecting platform, and movable snow shoveling plates are mounted on the two sides of the snow shoveling plate in a lockable manner through hinges;
comprises the following steps of (a) carrying out,
s1, driving the snow removing vehicle to enter the ice and snow removing operation road section, and judging the road surface material of the ice and snow removing operation road section;
s2, starting the high-power diesel generator and the turbofan, and selecting whether to drop the snow removing shovel assembly to shovel snow according to the construction road condition;
s3, controlling the mechanical arm structure to unfold the heating device to the outside of the two sides of the vehicle body, controlling the hydraulic push rod to lower the water-cooled tube butt-joint platform to a working position according to different heating modes corresponding to the pavement materials, and butting the heating device with a cooling water inlet and a cooling water outlet of a water-cooled tube butt-joint unit;
s3-1, when the pavement material is a common asphalt pavement, microwave heating is adopted;
s3-2, when the pavement material is a steel bridge pavement asphalt pavement layer or a modified asphalt pavement doped with magnetic conductive materials such as steel grit, steel wool, industrial waste steel slag and the like, electromagnetic induction heating is adopted;
s4, driving the snow sweeper to enter a lane of an operation road section, simultaneously starting the air-cooling and water-cooling composite heat dissipation device and a corresponding heating part on the heating device, heating the ice and snow by the heating device, and simultaneously carrying out circulating cooling on the heating device by the air-cooling and water-cooling composite heat dissipation device;
and S5, starting the spreader to uniformly spread the snow-melting agent, driving the snow remover to slowly move forward along the operation road section at a constant speed until the ice and snow removing operation is finished.
Preferably, in step S5, the snow melt agent spreader includes a V-shaped chamber for containing the snow melt agent, a rotary spreading disc for spreading the snow melt agent, and a material pump for pumping the snow melt agent in the V-shaped chamber.
Preferably, in step S4, the compound heat abstractor of forced air cooling water-cooling is including setting up the shell at high-power diesel generator machine incasement, install the turbofan that is used for forced air cooling through generator cabin baffle in the shell, and turbofan' S circumference distributes and has a plurality ofly be annular heat radiation fins, and the equal vertical installation of a plurality of heat radiation fins is on generator cabin baffle, heat radiation fins interpolation is equipped with the multiunit condenser pipe, and the through connection has two cooling water outlet pipes and two cooling water inlet tubes on a plurality of condenser pipes, install the water pump on two cooling water outlet pipes, the through connection has the coolant tank on two cooling water inlet tubes, and two cooling water outlet pipes and two cooling water inlet tubes all through water piping and four cooling water pipelines through connection.
Preferably, the shell is provided with a water cooling system air inlet and a generator hot waste gas inlet, two symmetrically distributed air channels are integrally formed on the shell, and the tail ends of the air channels are provided with a horn-shaped air outlet and a rotating mechanism for controlling the output direction of the air outlet;
the rotating mechanism comprises a seat ring bearing used for connecting the air outlet and the air duct, an external gear arranged on the outer side of the seat ring bearing and a driving motor used for driving the external gear to rotate.
Preferably, in step S2, whether to deploy the snow shovel assembly is determined according to the thickness of snow accumulated on the construction road surface;
when the thickness of the accumulated snow is less than 20mm, the snow removing shovel assembly is folded;
when the thickness of the accumulated snow is more than or equal to 20mm, the snow removing shovel assembly is lowered, and the snow is shoveled on the road surface along the height of 20mm away from the road surface under the control of the snow removing shovel.
Preferably, in step S2, it is determined whether the movable snow shoveling plate is spread or not according to the thickness of the accumulated snow and the road surface width of the work section;
when the thickness of the snow on the road area is less than or equal to 100mm or the width of the road surface on the operation road section is less than or equal to 3m, the movable snow shoveling plate is retracted;
when the thickness of the snow on the road surface is more than 100mm or the width of the road surface on the operation road section is more than 3m, the movable snow shoveling plate is unfolded and fixed.
(III) advantageous effects
The embodiment of the invention provides a multifunctional pavement ice and snow removal construction method based on electromagnetic heating and microwave heating, which has the following beneficial effects:
1. the invention combines various modes to remove snow by integrating methods of induction heating, microwave heating, snow removal by a snow removing shovel, hot air blowing and spreading a snow-melting agent according to different pavement materials and different pavement snow accumulation conditions: the snow removing shovel removes thicker accumulated snow, the heating device melts residual snow which is not easy to remove, high-temperature waste gas discharged by the heat dissipation mechanism blows off ice and snow on the surface, the spreader is used for spreading a small amount of snow melting agent to improve the effect of removing the snow, and compared with a single conventional ice and snow removing method, the method combines physical and chemical deicing means, has a targeted removing mode for the ice and snow with different thicknesses, and has the advantages of thorough ice and snow removal and high efficiency.
2. The ice and snow removing construction method of the invention adds two heating modes of electromagnetic induction heating and microwave heating, and different heating modes can be selected according to different road surfaces; when the ice and snow removing operation is carried out on the modified asphalt pavement or the steel bridge pavement which is added with the magnetic conductive material such as steel wool, scrap iron and industrial waste steel slag, the rotating device can be used for selecting an electromagnetic induction heating mode to heat the asphalt pavement, so that the ice and snow can be quickly melted; to traditional bituminous paving, select the microwave heating mode directly to ice and snow heating, two kinds of heating methods change in a flexible way, under the condition of not contacting the road surface, the remaining ice sediment snow of rapid heating, solve traditional snow removing mode and clear away the not thorough problem of snow.
3. According to the design of the existing vehicle and lane, the ice and snow removing construction method has the minimum heating operation width of 2.7m (the effective heating width is 2.6m) and the maximum heating operation width of 4.4m (the effective heating width is 2.6m), and when the weather condition is poor and the snow thickness is large, the minimum operation width is adopted; when the weather condition allows and the accumulated snow is thin, the operation width of 3.4m is preferentially adopted for ensuring safe driving, the accumulated ice and the accumulated snow on the wheel track belt are heated in a centralized manner, and the ice and snow removing operation range can be adjusted between 2.7m and 4.4m according to different weather and road conditions due to the flexible design of the heating device and the air outlet of the heat dissipation mechanism, so that the operation flexibility is greatly improved.
4. The snow and ice removing construction method combines the snow removing shovel, the snow removing shovel is at a certain height away from the ground during operation, and other heating modes are not in direct contact with the ground.
Drawings
The above features, technical features, advantages and implementation manners of the multifunctional road surface ice and snow removing construction method based on electromagnetic heating and microwave heating will be further described in the following description of preferred embodiments in a clearly understandable manner with reference to the accompanying drawings.
FIG. 1 is a perspective view of the snow sweeper of the present invention;
FIG. 2 is a front view of the snow sweeper of the present invention;
FIG. 3 is a front view of the snow sweeper of the present invention;
FIG. 4 is a schematic view of the heating device of the snow sweeper in an expanded mode (left half) and a retracted mode (right half);
FIG. 5 is a schematic view of the structure of the mechanical arm of the snow remover of the present invention;
FIG. 6 is a front view of a heating device of the snow sweeper of the present invention;
FIG. 7 is a reverse view of the heating device of the snow sweeper of the present invention;
FIG. 8 is a cross-sectional view of a heating device of the snow sweeper of the present invention;
FIG. 9 is a schematic view of a water-cooled tube docking platform of the snow remover of the present invention;
FIG. 10 is a schematic view of an air-cooling-water-cooling composite heat dissipation device of the snow sweeper of the present invention;
FIG. 11 is an external view of the air-cooling-water-cooling composite heat dissipating device of the snow sweeper
FIG. 12 is a schematic view of the snow plow blade assembly of the snow sweeper of the present invention in an expanded state;
FIG. 13 is a schematic view of a binding state of the snow shovel assembly of the snow sweeper of the present invention;
FIG. 14 is a schematic view of an air duct and air outlet rotating mechanism of the snow sweeper of the present invention;
FIG. 15 is a rotation transformation diagram of the air duct and the air outlet of the snow remover according to the present invention;
FIG. 16 is a moving transformation diagram of a heating device of the snow remover according to the present invention;
FIG. 17 is a drawing showing the construction range of removing ice and snow of the snow remover according to the present invention.
In the figure: 1. rotating the broadcast sowing disc; 2. a V-shaped bin; 3. a high power diesel generator; 4. an air cooling-water cooling composite heat dissipation device; 4-1, a box body shell; 4-2, a generator compartment partition; 4-3, a generator hot exhaust gas inlet; 4-4, water cooling system air inlet; 4-5, radiating fins; 4-6, a condenser pipe; 4-7, a water pump; 4-8, cooling water tank; 4-9, a cooling water outlet; 4-10 parts of a cooling water inlet; 4-11, a turbofan; 5. a mechanical arm structure; 5-1, upright columns; 5-2, an electric joint I; 5-3, a mechanical arm I; 5-4, an electric joint II; 5-5, a mechanical arm II; 5-6, electric joint III; 6. a heating device; 6-1, sliding rails; 6-2, a sliding block; 6-3, a cooling water outlet; 6-4, a cooling water inlet; 6-5, protecting plates; 6-6, L-shaped poly magnetic strips; 6-7, microwave reflecting plate; 6-8, a shielding case; 6-9-water cooling tubes; 6-10, water-cooling magnetron; 6-11, excitation coil; 6-12, a cooling fan; 6-13, iron ring; 7. an oil tank; 8. a vehicle body; 9-snow shovel assembly; 9-1, shoveling the snow plate; 9-2, a movable snow shoveling plate; 9-3, a hinge; 9-4, connecting a platform with the vehicle body; 9-5, a hydraulic device; 10. a hydraulic push rod; 11. a water-cooled tube butt-joint platform; 11-1, a water outlet; 11-2, a water inlet; 11-3, a cooling water pipeline; 11-4, a telescopic pipe; 11-5, a ring-shaped electromagnet; 12. a water delivery pipe; 13. an air duct; 13-1 and an air outlet; 14. a rotation mechanism; 14-1, race bearings; 14-2, an external gear; 14-3, driving a motor.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 14 and examples:
example 1
The multifunctional pavement ice and snow removal construction method based on electromagnetic heating and microwave heating comprises a snow removal vehicle consisting of a vehicle body 8 and a vehicle head driving the vehicle body 8 to move, wherein the front end of the vehicle head is provided with a snow removal shovel assembly 9, and a snow melting agent spreader, a high-power diesel generator 3, a heat dissipation mechanism and a heating device 6 which can be turned and adjusted through a mechanical arm structure 5 are sequentially arranged on the vehicle body 8 from the vehicle tail to the vehicle head;
in the embodiment, as shown in fig. 4 and 5, the mechanical arm structure 5 comprises upright columns 5-1 symmetrically installed on a vehicle body 8, a mechanical arm i 5-3 is installed on the upright column 5-1 through an electric joint i 5-2, a mechanical arm ii 5-5 is installed at the other end of the mechanical arm i 5-3 through an electric joint ii 5-4, and the other ends of the two mechanical arms ii 5-5 are connected with a heating device 6 through electric joints iii 5-6;
in this embodiment, as shown in fig. 6-8 and 16, the heating device 6 includes a substrate composed of microwave reflection plates 6-7, the back of the microwave reflection plates 6-7 is installed with L-shaped magnetic-gathering strips 6-6 arranged in a shape of a Chinese character mi, the L-shaped magnetic-gathering strips 6-6 are installed with excitation coils 6-11 for excitation heating, the peripheries of the excitation coils 6-11 are provided with protection plates 6-5, the front of the microwave reflection plates 6-7 is installed with a plurality of water-cooled magnetrons 6-10, the plurality of water-cooled magnetrons 6-10 are communicated with each other through water-cooled pipes 6-9, the edges of the microwave reflection plates 6-7 are installed with shielding covers 6-8 for covering the water-cooled magnetrons 6-10, and the water-cooled magnetrons 6-10 and the excitation coils 6-11 are both provided with cooling water inlets 6-4 and cooling water outlets 6-11 3, iron rings 6-13 are arranged on interfaces of a cooling water inlet 6-4 and a cooling water outlet 6-3, 4 cooling fans 6-12 are symmetrically arranged on a shell of the heating device, two sliding rails 6-1 are symmetrically arranged on the side wall of the substrate, sliding blocks 6-2 are sleeved on the sliding rails 6-1 in a sliding manner, and the two sliding blocks 6-2 are respectively connected with two electric joints III 5-6;
in this embodiment, as shown in fig. 9 to 11, the heat dissipation mechanism includes an air-cooling-water-cooling composite heat dissipation device 4 and a water-cooling pipe butt joint unit;
in the embodiment, the water-cooled tube butt-joint unit comprises a water-cooled tube butt-joint platform 11 installed at the lower end of the vehicle body 8 through a hydraulic push rod 10, four L-shaped cooling water pipelines 11-3 are arranged in the water-cooled tube butt-joint platform 11, two water inlets 11-1 matched with cooling water inlets 6-4 are arranged on two of the cooling water pipelines 11-3, water outlets 11-2 matched with cooling water outlets 6-3 are arranged on the other two cooling water pipelines 11-3, telescopic tubes 11-4 are arranged on the water inlets 11-1 and the water outlets 11-2, and annular electromagnets 11-5 embedded with iron rings 6-13 are installed at the tail ends of the telescopic tubes 11-4;
in the embodiment, the air-cooling-water-cooling composite heat dissipation device 4 is arranged in the case of the high-power diesel generator 3 and is communicated with the water-cooling pipe butt-joint platform 11 through a water delivery pipe 12;
in the embodiment, as shown in fig. 12 and 13, the snow removing shovel assembly comprises a snow shoveling plate 9-1 for shoveling snow, the snow shoveling plate 9-1 is mounted at the front end of the vehicle head through a vehicle body connecting platform 9-4, a hydraulic propulsion unit 9-5 composed of a plurality of hydraulic push rods is arranged in the vehicle body connecting platform 9-4, and movable snow shoveling plates 9-2 are mounted on two sides of the snow shoveling plate 9-1 in a lockable manner through hinges 9-3;
comprises the following steps of (a) carrying out,
s1, driving the snow removing vehicle to enter the ice and snow removing operation road section, and judging the road surface material of the ice and snow removing operation road section;
s2, starting the high-power diesel generator 3 and the turbofan 4-11, and selecting whether to drop the snow removing shovel assembly 9 to shovel snow according to construction road conditions;
s3, controlling the mechanical arm structure 5 to unfold the heating device 6 to the outside of the two sides of the vehicle body 8, controlling the hydraulic push rod 10 to lower the water-cooled tube butt-joint platform 11 to a working position according to different heating modes corresponding to pavement materials, and butting the heating device 6 with the cooling water inlet 6-4 and the cooling water outlet 6-3 of the water-cooled tube butt-joint unit;
s3-1, when the pavement material is a common asphalt pavement, microwave heating is adopted;
s3-2, when the pavement material is a steel bridge pavement asphalt pavement layer or a modified asphalt pavement doped with magnetic conductive materials such as steel grit, steel wool, industrial waste steel slag and the like, electromagnetic induction heating is adopted;
when ice and snow removing operation is carried out on a modified asphalt pavement or a steel bridge pavement which is added with magnetic conductive materials such as steel wool, scrap iron and industrial waste steel slag, the electromagnetic induction heating mode of the heating device 6 is selected by rotating the mechanical arm structure 5 to heat the asphalt pavement, so that ice and snow are quickly melted;
when removing ice and snow operation at traditional bituminous paving, the microwave heating mode through 5 rotatory selection heating device 6 of arm structure is direct to ice and snow heating, and two kinds of heating methods change in a flexible way, under the condition of contactless road surface, the remaining ice sediment snow of rapid heating, solve traditional snow removing mode clear away the snow thoroughly, to the big problem of road surface harm.
S4, driving the snow sweeper to enter a lane of an operation road section, simultaneously starting the air cooling-water cooling composite heat dissipation device 4 and the corresponding heating part on the heating device 6, heating the ice and snow by the heating device 6, and simultaneously circularly cooling the heating device 6 by the air cooling-water cooling composite heat dissipation device 4;
the cooling water enters the air cooling-water cooling composite heat dissipation device 4 after passing through the heating device 6, specifically, the cooling water enters the annular condensation pipe 4-6 surrounding the upper part of the turbofan 4-11, radiates heat through the heat radiation fins 4-5 and is pumped into the cooling loop of the heating device 6 again through the water pump 4-7, so that the circulation of the water cooling system is realized for cooling, and the guarantee is provided for the continuous heating device 6 to cool and normally work.
And S5, starting the spreader to uniformly spread the snow-melting agent, driving the snow remover to slowly move forward along the operation road section at a constant speed until the ice and snow removing operation is finished.
In this embodiment, as shown in fig. 1 and 2, in the step S5, the snow-melting agent spreader includes a V-shaped bin 2 for containing the snow-melting agent, a rotary spreading disc 1 for spreading the snow-melting agent, and a material pump for pumping the snow-melting agent in the V-shaped bin 2, and the spreader is used for spreading a small amount of the snow-melting agent to improve the effect of removing ice and snow from the road surface.
In this embodiment, as shown in fig. 10 and 11, in the step S4, the air-cooling-water-cooling composite heat dissipation device 4 includes a housing 4-1 disposed in a chassis of the high-power diesel generator 3, a turbofan 4-11 for air-cooling is installed in the housing 4-1 through a partition 4-2 of a generator cabin, a plurality of annular heat dissipation fins 4-5 are circumferentially distributed on the turbofan 4-11, the plurality of heat dissipation fins 4-5 are vertically installed on the partition 4-2 of the generator cabin, a plurality of sets of condensation pipes 4-6 are inserted into the heat dissipation fins 4-5, the plurality of condensation pipes 4-6 are connected with two cooling water outlet pipes 4-9 and two cooling water inlet pipes 4-10 in a penetrating manner, a water pump 4-7 is installed on the two cooling water outlet pipes 4-9, the two cooling water inlet pipes 4-10 are provided with cooling water tanks 4-8 in a through mode, the two cooling water outlet pipes 4-9 and the two cooling water inlet pipes 4-10 are connected with the four cooling water pipelines 11-3 in a through mode through water pipes, cooling water enters the annular condensation pipes 4-6 surrounding the upper portions of the turbofan 4-11 after passing through the heating device 6, heat is dissipated through the heat dissipation fins 4-5 and is pumped into the cooling loop of the heating device 6 again through the water pumps 4-7, and circulation of the water cooling system is achieved.
In this embodiment, as shown in fig. 10, 11, 14 and 15, a water cooling system air inlet 4-4 and a generator hot waste gas inlet 4-3 are arranged on the housing 4-1, two symmetrically distributed air ducts 13 are integrally formed on the housing 4-1, and a trumpet-shaped air outlet 13-1 and a rotating mechanism 14 for controlling the output direction of the air outlet 13-1 are arranged at the tail end of the air duct 13;
the rotating mechanism 14 comprises a seat ring bearing 14-1 used for connecting the air outlet 13-1 and the air channel 13, an outer gear 14-2 arranged on the outer side of the seat ring bearing 14-1 and a driving motor 14-3 used for driving the outer gear 14-2 to rotate, hot waste gas generated by the high-power diesel generator 3 and the water cooling system is blown to the road surface at a high speed through the air channel 13 extending downwards from two sides of the box body shell 4-1 by the turbofan 4-11 to blow off snow and crushed ice on the road surface, so that the ice and snow are removed in an auxiliary mode, meanwhile, in combination with the arrangement of the rotating mechanism 14, the air outlet 13-1 can also rotate in a manner of being matched with the movement of the heating device 6, so that the influence range of hot air is.
In this embodiment, in step S2, it is determined whether to deploy the snow shovel assembly 9 according to the thickness of snow accumulated on the construction road surface;
when the thickness of the accumulated snow is less than 20mm, the snow removing shovel assembly 9 is retracted;
when the thickness of the accumulated snow is more than or equal to 20mm, the snow removing shovel assembly 9 is lowered and the snow removing shovel is controlled to shovel snow on the road surface along the height of 20mm away from the road surface.
In this embodiment, in step S2, it is determined whether the movable snow shoveling plate 9-2 is spread or not according to the thickness of the accumulated snow and the road surface width of the working section;
when the thickness of the snow on the road area is less than or equal to 100mm or the width of the road surface on the operation road section is less than or equal to 3m, the movable snow shoveling plate 9-2 is retracted;
when the thickness of the snow on the road surface is more than 100mm or the width of the road surface on the operation road section is more than 3m, the movable snow shoveling plate 9-2 is unfolded and fixed.
According to the width of a vehicle body 8 of the existing vehicle, the minimum working width of ice and snow removal heating is 2.7m (the effective heating width is 2.6m), the maximum working width of a heating device 6 is 4.4m (the effective heating width is 2.6m) after the heating device is opened, and the minimum working width is adopted when the weather condition is poor and the snow thickness is large; when the weather condition allows and the accumulated snow is thin, the operation width of 3.4m is preferentially adopted for ensuring safe driving, the accumulated ice and the accumulated snow on the wheel track belt are heated in a centralized manner, and the ice and snow removing operation range can be adjusted between 2.7m and 4.4m according to different weather and road conditions due to the flexible design of the heating device and the air outlet of the heat dissipation mechanism, so that the operation flexibility is greatly improved.
In the above multifunctional road snow and ice removing construction method based on electromagnetic heating and microwave heating in this embodiment, snow removing operation is performed in multiple ways by integrating induction heating, microwave heating, snow removing with a snow removing shovel, hot air blowing and spreading of a snow melting agent, aiming at different road materials and different road snow conditions: the snow removing shovel removes thicker accumulated snow, the heating device melts residual snow which is not easy to remove, high-temperature waste gas discharged by the heat dissipation mechanism blows off ice and snow on the surface, the spreader is used for spreading a small amount of snow melting agent to improve the effect of removing the snow, and compared with a single conventional ice and snow removing method, the method combines physical and chemical deicing means, has a targeted removing mode for the ice and snow with different thicknesses, and has the advantages of thorough ice and snow removal and high efficiency.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (6)
1. A multifunctional road surface ice and snow removal construction method based on electromagnetic heating and microwave heating comprises a snow removal vehicle consisting of a vehicle body (8) and a vehicle head driving the vehicle body (8) to move, wherein a snow removal shovel assembly (9) is installed at the front end of the vehicle head, and a snow melting agent spreader, a high-power diesel generator (3), a heat dissipation mechanism and a heating device (6) capable of being turned and adjusted through a mechanical arm structure (5) are sequentially arranged on the vehicle body (8) from the vehicle tail to the vehicle head;
the mechanical arm structure (5) comprises upright columns (5-1) symmetrically arranged on a vehicle body (8), mechanical arms I (5-3) are arranged on the upright columns (5-1) through electric joints I (5-2), mechanical arms II (5-5) are arranged at the other ends of the mechanical arms I (5-3) through electric joints II (5-4), and the other ends of the two mechanical arms II (5-5) are connected with a heating device (6) through electric joints III (5-6);
the heating device (6) comprises a substrate composed of microwave reflecting plates (6-7), L-shaped magnetic gathering strips (6-6) arranged in a shape of Chinese character 'mi' are installed on the back of the microwave reflecting plates (6-7), magnet exciting coils (6-11) used for exciting and heating are installed on the L-shaped magnetic gathering strips (6-6), the peripheries of the magnet exciting coils (6-11) are provided with protective plates (6-5), a plurality of water-cooled magnetrons (6-10) are installed on the front of the microwave reflecting plates (6-7), the water-cooled magnetrons (6-10) are communicated through water cooling pipes (6-9), shielding covers (6-8) covering the water-cooled magnetrons (6-10) are installed at the edges of the microwave reflecting plates (6-7), and cooling water inlet penetrating through the side walls of the protective plates (6-5) are formed in the water-cooled magnetrons (6-10) and the magnet exciting coils ( The water inlet (6-4) and the cooling water outlet (6-3) are arranged, iron rings (6-13) are arranged on the interfaces of the cooling water inlet (6-4) and the cooling water outlet (6-3), 4 cooling fans (6-12) are symmetrically arranged on the shell of the heating device, two sliding rails (6-1) are symmetrically arranged on the side wall of the substrate, a sliding block (6-2) is sleeved on the sliding rail (6-1) in a sliding mode, and the two sliding blocks (6-2) are respectively connected with two electric joints (5-6);
the heat dissipation mechanism comprises an air cooling-water cooling composite heat dissipation device (4) and a water cooling pipe butt joint unit;
the water-cooling pipe butt joint unit comprises a water-cooling pipe butt joint platform (11) arranged at the lower end of the vehicle body (8) through a hydraulic push rod (10), four L-shaped cooling water pipelines (11-3) are arranged in the water-cooling pipe butt joint platform (11), two water inlets (11-1) matched with the cooling water inlets (6-4) are arranged on two of the cooling water pipelines (11-3), water outlets (11-2) matched with the cooling water outlets (6-3) are arranged on the other two cooling water pipelines (11-3), telescopic pipes (11-4) are respectively arranged on the water inlets (11-1) and the water outlets (11-2), the tail ends of the extension tubes (11-4) are respectively provided with an annular electromagnet (11-5) which is embedded with the iron rings (6-13);
the air cooling-water cooling composite heat dissipation device (4) is arranged in a case of the high-power diesel generator (3) and is communicated with the water cooling pipe butt joint platform (11) through a water delivery pipe (12);
the snow removing shovel assembly comprises a snow shoveling plate (9-1) for shoveling snow, the snow shoveling plate (9-1) is installed at the front end of the vehicle head through a vehicle body connecting platform (9-4), a hydraulic propulsion unit (9-5) consisting of a plurality of hydraulic push rods is arranged in the vehicle body connecting platform (9-4), and movable snow shoveling plates (9-2) are installed on the two sides of the snow shoveling plate (9-1) in a lockable manner through hinges (9-3);
the method is characterized in that: comprises the following steps of (a) carrying out,
s1, driving the snow removing vehicle to enter the ice and snow removing operation road section, and judging the road surface material of the ice and snow removing operation road section;
s2, starting the high-power diesel generator (3) and the turbofan (4-11), and selecting whether to drop the snow removing shovel assembly (9) to shovel snow or not according to the construction road condition;
s3, controlling the mechanical arm structure (5) to stretch the heating device (6) to the outside of the two sides of the vehicle body (8), simultaneously controlling the hydraulic push rod (10) to lower the water-cooled tube butt joint platform (11) to a working position according to different heating modes corresponding to pavement materials, and butting the heating device (6) with a cooling water inlet (6-4) and a cooling water outlet (6-3) of a water-cooled tube butt joint unit;
s3-1, when the pavement material is a common asphalt pavement, microwave heating is adopted;
s3-2, when the pavement material is a steel bridge pavement asphalt pavement layer or a modified asphalt pavement doped with magnetic conductive materials such as steel grit, steel wool, industrial waste steel slag and the like, electromagnetic induction heating is adopted;
s4, driving the snow sweeper to enter a lane of an operation road section, simultaneously starting the air cooling-water cooling composite heat dissipation device (4) and a corresponding heating part on the heating device 6, heating the ice and snow by the heating device (6), and simultaneously circularly cooling the heating device (6) by the air cooling-water cooling composite heat dissipation device (4);
and S5, starting the spreader to uniformly spread the snow-melting agent, driving the snow remover to slowly move forward along the operation road section at a constant speed until the ice and snow removing operation is finished.
2. The multifunctional pavement ice and snow removing construction method based on electromagnetic heating and microwave heating as claimed in claim 1, characterized in that: in the step S5, the snow melt agent spreader includes a V-shaped bin (2) for containing the snow melt agent, a rotary spreading disc (1) for spreading the snow melt agent, and a material pump for pumping the snow melt agent in the V-shaped bin (2).
3. The multifunctional pavement ice and snow removing construction method based on electromagnetic heating and microwave heating as claimed in claim 1, characterized in that: in the step S4, the air cooling-water cooling composite heat dissipation device (4) comprises a shell (4-1) arranged in a case of the high-power diesel generator (3), a turbofan (4-11) for air cooling is arranged in the shell (4-1) through a generator cabin partition plate (4-2), a plurality of annular heat dissipation fins (4-5) are distributed in the circumferential direction of the turbofan (4-11), the heat dissipation fins (4-5) are vertically arranged on the generator cabin partition plate (4-2), a plurality of groups of condensation pipes (4-6) are inserted into the heat dissipation fins (4-5), two cooling water outlet pipes (4-9) and two cooling water inlet pipes (4-10) are connected to the plurality of condensation pipes (4-6) in a penetrating manner, and water pumps (4-7) are arranged on the two cooling water outlet pipes (4-9), the two cooling water inlet pipes (4-10) are provided with cooling water tanks (4-8) in a run-through manner, and the two cooling water outlet pipes (4-9) and the two cooling water inlet pipes (4-10) are connected with the four cooling water pipelines (11-3) in a run-through manner through water pipes.
4. The electromagnetic heating and microwave heating-based multifunctional road surface ice and snow removing construction method as claimed in claim 3, characterized in that: the shell (4-1) is provided with a water cooling system air inlet (4-4) and a generator hot waste gas inlet (4-3), two symmetrically distributed air channels (13) are integrally formed on the shell (4-1), and the tail end of each air channel (13) is provided with a horn-shaped air outlet (13-1) and a rotating mechanism (14) for controlling the output direction of the air outlet (13-1);
the rotating mechanism (14) comprises a seat ring bearing (14-1) used for connecting the air outlet (13-1) and the air duct (13), an external gear (14-2) arranged on the outer side of the seat ring bearing (14-1) and a driving motor (14-3) used for driving the external gear (14-2) to rotate.
5. The multifunctional pavement ice and snow removing construction method based on electromagnetic heating and microwave heating as claimed in claim 1, characterized in that: in the step S2, whether the snow removing shovel assembly (9) is unfolded or not is judged according to the thickness of the accumulated snow on the construction road surface;
when the thickness of the accumulated snow is less than 20mm, the snow removing shovel assembly (9) is retracted;
when the thickness of the accumulated snow is more than or equal to 20mm, the snow removing shovel assembly (9) is lowered and the road surface snow is shoveled along the height of 20mm away from the road surface under the control of the snow removing shovel.
6. The multifunctional pavement ice and snow removing construction method based on electromagnetic heating and microwave heating as claimed in claim 1, characterized in that: in the step S2, whether the movable snow shoveling plate (9-2) is unfolded or not is judged according to the thickness of the accumulated snow and the road surface width of the operation road section;
when the thickness of the snow on the road area is less than or equal to 100mm or the width of the road surface on the operation road section is less than or equal to 3m, the movable snow shoveling plate (9-2) is retracted;
when the thickness of the snow on the road surface is more than 100mm or the width of the road surface on the operation road section is more than 3m, the movable snow shoveling plate (9-2) is unfolded and fixed.
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| CN112081056B (en) | 2022-02-01 |
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