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50results about How to "Improve snow melting efficiency" patented technology
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Hot-air circulating two-layered snow melting system and method for recycling accumulated snow
ActiveCN102704368AEasy on-site recyclingEasy to handlePaving detailsDrinking water installationConstructed wetlandSnowpack
The invention relates to a snow melting system and a method for recycling accumulated snow, particularly to a hot-air circulating two-layered snow melting system and the method for recycling accumulated snow, which solve the problems that the existing method for treating the accumulated snow wastes resource and pollutes the environment. The hot-air circulating two-layered snow melting system includes a two-layered subsurface-flow constructed wetland landscape pond and a snow melting well, wherein the snow melting well includes a thermal insulation cover, a well wall, a thermal insulation operation door, a heating grate A, a heating layer, a bottom heating pipe, a water drain pipe, a first step, a first rotating shaft, a heating vertical pipe, a groove and a filter grating. The method includes the following steps: collecting the accumulated snow, throwing the accumulated snow into the snow melting well through the thermal insulation operation door, and carrying the melted snow to the two-layered subsurface-flow pond through the deposited and overflowed clear water. The hot-air circulating two-layered snow melting system avoids the environmental pollution caused by snow melting agent, as well as the resource waste caused during accumulated snow transferring and toppling, is environment-friendly, facilitates the timely accumulated snow treatment, avoids the pollution caused by long-time exposure, and solves the road freezing problem caused by repeated freeze-thaw. The method is used for recycling the accumulated snow.
Owner:HARBIN INST OF TECH
Snow-melting agent
ActiveCN103820081AImprove solubilityStir wellOther chemical processesSodium metasilicateSnow melting
The invention discloses a snow-melting agent. The snow-melting agent comprises following components by weight: 30-60% of low-molecular organic polyol, 0.8-1.2% of triethanolamine, 0.1-1% of a metal ion chelate or salts thereof, 0.2-0.4% of sodium metasilicate, 0.1-1% of benzotriazole, 0.2-0.5% of sodium dihydrogen phosphate, and 30-70% of water. The snow-melting agent adopts a formula combining an organic phase and an inorganic phase, and comprises a mixture of two or three compounds selected from glycol, propylene glycol and ethanol, and a composite corrosion inhibitor including the water, the triethanolamine, the metal ion chelate or the salts thereof, the sodium metasilicate, the benzotriazole and the sodium dihydrogen phosphate. The freezing point of the snow-melting agent is below -40 DEG C, and the snow-melting agent has significant ice and snow melting effects.
Owner:SCI INST HOHHOT ADMINISTRATION OF RAILWAY
Method for preparing multifunctional mineral asphalt concrete pavement material
The invention discloses a method for preparing a multifunctional mineral asphalt concrete pavement material. The preparation method comprises the step of adding magnetic iron powder and brucite short fibers in traditional asphalt concrete to replace part of aggregate in the raw materials of the traditional asphalt concrete, wherein the weight sum of the added magnetic iron powder and the brucite short fibers accounts for 10-25% of the total weight of the asphalt concrete materials in terms of the mass ratio; the weight of asphalt and natural aggregate accounts for 75-90% of the total weight of the asphalt concrete materials; and the weight ratio of the magnetic iron powder to the brucite short fibers is 1-4:1. By adjusting microwave electromagnetic parameters of the asphalt concrete, the microwave heating rate is improved by a dozen times compared with the traditional asphalt concrete, the mechanical property and the flame retardance of the asphalt concrete are improved at the same time while the material cost is lower, pavement microwave deicing and snow melting efficiency can be increased, and the mechanical property and the flame retardance are good when the pavement microwave rapid heating maintenance is realized, thus being applicable to asphalt concrete pavement.
Owner:CHANGAN UNIV
Environment-friendly snow-melting agent and preparation method thereof
InactiveCN104031610ACause some damagesImprove snow melting efficiencyOther chemical processesAquatic animalSnow melting
The invention relates to a snow-melting agent, in particular to an environment-friendly snow-melting agent and a preparation method thereof. The environment-friendly snow-melting agent comprises, by weight, 10-60 parts of water, 1-5 parts of ethyl alcohol, 0.3-0.5 part of saccharose, 0.1-1.0 part of isosorbide, 0.1-10 parts of ethanediol, 0.5-50 parts of glycerine, 0.1-1 part of acesulfame, 0.5-5 parts of sodium tripolyphosphate, 0.1-1 part of aspartame, 0.5-1 part of sodium hexametaphosphate, 0.1-30 parts of methyl alcohol and 0.5-1 part of threitol. The snow-melting agent prepared through the method is very high in snow melting efficiency, convenient to transport, safe to use and store, convenient to spray, low in use labor intensity, small in labor cost, small in dosage, high in snow melting speed and free of residues, does not pollute water resources, does not corrode buildings or pavements, does not do harm to plants or aquatic animals, does not destroy the pH value of soil and does not cause salinization of the soil.
Owner:BINZHOU XUTAI CHEM IND CO LTD
Environment-friendly snow quick melting agent and preparing method thereof
InactiveCN105542716AImprove snow melting efficiencyEasy to transportOther chemical processesPhosphateWater source
The invention discloses an environment-friendly snow quick melting agent. The environment-friendly snow quick melting agent is prepared from 12-65 parts of water, 2-6 parts of ethyl alcohol, 0.5-0.9 part of saccharose, 0.5-1.0 part of isosorbide, 0.2-10 parts of ethanediol, 2-50 parts of glycerol, 0.3-1 part of acesulfame potassium, 2-5 parts of sodium tripolyphosphate, 0.2-1 part of aspartame, 0.5-1 part of sodium hexametaphosphate, 6-30 parts of methyl alcohol, 0.5-1 part of threitol, 14-40 parts of sodium hexametaphosphate, 8-21 parts of sodium silicate, 6-20 parts of zinc dihydrogen phosphate, 5-12 parts of sodium dodecyl benzene sulfonate, 5-20 parts of sodium tartrate, 4-12 parts of hexamine, and 6-13 parts of allyl thiourea. The environment-friendly snow quick melting agent is superhigh in snow melting efficiency, convenient to transport, and safe in use and storage; spraying is convenient, labor intensity is low, and manual work investment is low; the usage amount is small, the snow melting speed is high, no residue is left, pollution to the water source is avoided, corrosion to buildings or road surfaces is avoided, damage to plants or aquatic animals is avoided, damage to the pH of soil is avoided, and soil salinization is avoided.
Owner:GUANGXI UNIV
Preparation process and application of calcium magnesium acetate
ActiveCN104355984AGood water solubilityLow eutectic point of iceOrganic compound preparationOther chemical processesFiltrationSnow melting
The invention discloses a preparation process and an application of calcium magnesium acetate. The preparation process comprises the following processing steps: preparing a calcium acetate solution, and performing press filtration, MVR concentration and centrifugal spray-drying. The preparation process disclosed by the invention is simple in technical process, easy to operate, easy in raw material acquisition, free from emission of three wastes in an overall production process, high in production efficiency, high in yield, low in equipment investment, wide in application and remarkable in economic benefits. The calcium magnesium acetate prepared by the process disclosed by the invention has the functions of melting snow, deicing, resisting dust, preventing dust and controlling atmospheric pollution; as a snow melting agent, the calcium magnesium acetate is higher in snow melting capability and enables accumulated snow and ice layers to be loose so that the snow and the ice layers can be removed more easily; as a dust resisting agent, the calcium magnesium acetate can be used for removing NOx and SO2 generated by combustion of coal and HCl generated by combustion of PVC (Polyvinyl Chloride) so as to control the atmospheric pollution; moreover, the calcium magnesium acetate causes quite low corrosion to metals and causes no toxic or side effects to human, soil and plants.
Owner:LAIZHOU LAIYU CHEM CO LTD
Road condensed ice early-warning and automatic disposal system control method
ActiveCN109887230AImprove snow melting efficiencyMaximize efficiency ratioAlarmsWay cleaningReal-time dataEconomic benefits
The invention provides a road condensed ice early-warning and automatic disposal system control method. According to the method, an early-warning about road condensed ice is given through a weather forecast issued by the Meteorological Bureau, owners are notified, and a plan is provided; real-time data and historical data of a meteorological monitoring station and a road surface sensor of a monitoring road segment are utilized to estimate road surface icing time, and accurate alarm information is provided for the owners according to the data of the monitoring station and the sensor; then calculation is performed on parameters of the spraying dosage, spraying interval and spraying times of a snow-melting agent for condensed ice disposal to provide recommended parameters for the owners; assessment is performed again after spraying is over; if icing is still possible, secondary spraying preparation is made; and if icing is impossible, a system stops running, and it is supposed to wait forthe Meteorological Bureau to issue information. Through the method, the spraying dosage, spraying interval and spraying times are precisely analyzed, the snow-melting efficiency of the snow-melting agent is improved, economic benefit is increased, optimal spraying time is accurately acquired, the road surface condition, obtained after spraying is over, is automatically fed back, and secondary icing is prevented.
Owner:象谱信息产业有限公司
Snow melting vehicle
PendingCN108589623AThe machine walks conveniently and flexiblyImprove work efficiencySnow cleaningAgricultural engineeringElectricity
A snow melting vehicle comprises a vehicle body, a scraper bucket, a snow transporting device, a snow melting device, a water spraying device, a power supply and an engine. The scraper bucket is arranged at one end of the vehicle body, and the snow transporting device is arranged at the end, provided with the scraper bucket, of the upper surface of the vehicle body; the snow melting device is arranged on the position, on the side face of the snow transporting device, of the upper surface of the vehicle body; snow transported by the snow transporting device falls on the snow melting device; thewater spraying device is arranged on the position, on the side face of the snow melting device, of the upper surface of the vehicle body; the snow melting device is connected with the water sprayingdevice; a water outlet of the water spraying device is formed in the upper portion of the snow melting device, the engine is arranged on the upper surface of the other end of the vehicle body, the power supply is arranged on the upper surface of the vehicle body, and the power supply is used for supplying electricity for the snow transporting device, the snow melting device and the water sprayingdevice. According to the novel and small snow melting vehicle, the snow is removed thoroughly through snow transporting and snow melting, molten snow water is utilized through the water spraying device, and more environment protection is achieved while the snow melting efficiency is improved; and waste of a lot of labor is avoided.
Owner:CHANGAN UNIV
Environment-friendly chloride-free snow melt antifreezing agent and preparation method thereof
ActiveCN105778865AHigh ability to melt snow and iceRational performance of snow meltingOther chemical processesAdditive ingredientSnow melting
The invention belongs to the technical field of environment-friendly chemicals, particularly relates to an environment-friendly chloride-free snow melt antifreezing agent and further discloses a preparation method thereof. The environment-friendly chloride-free snow melt antifreezing agent is prepared from the following raw materials: glycol, diglycerol, glyceryl triacetate, white sugar, zinc acetate, sodium polyacrylate, ethyl alcohol and water, and is free from any chlorine salt ingredient; the adopted raw materials are completely safe and toxic ingredients, safe and environmentally friendly, and completely conforms to the environment-friendly requirement. The environment-friendly chloride-free snow melt antifreezing agent has average product freezing point lower than 18 DEG C below zero, the snow-melting and deicing capability is near or even higher than the performance of existing sodium chloride, and the snow-melting performance is relatively ideal.
Owner:黄山九星环保科技股份有限公司
Gutter roof snow-melting alloy electric heat tape
The invention discloses a gutter roof snow-melting alloy electric heat tape. The gutter roof snow-melting alloy electric heat tape comprises a first electric heat tape and a second electric heat tape,and the first electric heat tape and the second electric heat tape are parallelly arranged and extend in the length direction of the alloy electric heat tape; the position between the first electricheat tape and the second electric heat tape is filled with a silicone rubber material to form a reinforcing outer protective layer with a flat section; the first side of the reinforcing outer protective layer is provided with a plurality of grooves, and the second side of the reinforcing outer protective layer abuts against a gutter roof; the multiple grooves can extend in the length direction ofthe alloy electric heat tape, or the multiple grooves can be formed in the first side of the reinforcing outer protective layer at equal distances; and accumulated snow covered in the grooves gradually melts, melted snow water flows to a gutter along the grooves, after the accumulated snow in the grooves melts, accumulated snow at the upper parts of the grooves gradually sinks into the grooves andcontinues to be melted, the processes are repeated in this way, and the snow-melting efficiency is greatly improved.
Owner:ANBANG ELECTRICAL GRP
Preparation method of chloride-free, composite and environment-friendly snow-melting agent
InactiveCN106634839AImprove snow melting efficiencySafe storageOther chemical processesSnow meltingChloride
The invention discloses a preparation method of a chloride-free, composite and environment-friendly snow-melting agent and belongs to the technical field of snow-melting agent preparation. According to the method, traditional Chinese medicine decoction dregs are smashed, carbonized and acid-dipped to obtain modified traditional Chinese medicine decoction dregs, then wheat is liquified and saccharified to obtain saccharifed liquid, the saccharifed liquid is prepared into a fermenting culture medium, saccharomycetes and acetic acid bacteria are inoculated to perform fermenting culture, the fermenting liquid is sterilized and then is added into egg shells to perform heating reaction, the fermenting liquid rich in calcium nitrate can be generated and finally is mixed with the traditional Chinese medicine decoction dregs, and adsorption is performed to obtain the chloride-free, composite and environment-friendly snow-melting agent. The method utilizes the modified traditional Chinese medicine decoction dregs to absorb the fermenting liquid rich in calcium nitrate, makes the snow-melting acting time long, meanwhile has the advantages of being low in freezing point and high in snow-melting rate, and the agent almost does not corrode metals, concrete and bituminous pavement, is non-harmful to plants and has wide application prospect.
Owner:汪逸凡
Snow melting vehicle capable of automatically adjusting salt spreading amount according to thickness of accumulated snow on road surface
A snow melting vehicle capable of automatically adjusting the salt spreading amount according to the thickness of accumulated snow on a road surface comprises a vehicle body, a working compartment isfixedly arranged in the vehicle body, a working cavity is fixedly formed in the working compartment, a detection main rotating shaft is rotationally arranged on the front wall and the rear wall of theworking cavity, and four detection rods are fixedly arranged on the detection main rotating shaft in an annular array mode. A detector is fixedly arranged in each detection rod, a clamping block boxis arranged on each detection rod in an up-down sliding mode, the detection rods vertically penetrate through the clamping block box, and a clamping block cavity is fixedly formed in the clamping block box; after the snow melting vehicle is put into use, when the vehicle passes through an accumulated snow road surface, the equipment can automatically detect the thickness of accumulated snow on theroad surface in the advancing process; water is heated through the tail gas pipeline, the spraying amount of hot saline water is automatically adjusted according to the thickness of accumulated snowafter salt is added into the water, the hot saline water is fed into the accumulated snow layer, the snow melting efficiency is improved, the saline water amount is adjusted according to the thicknessof the accumulated snow, and salt waste is avoided.
Owner:温州市框恒智能科技有限公司
Preparation technology and application of calcium magnesium acetate
ActiveCN104355984BGood water solubilityLow eutectic point of iceOrganic compound preparationOther chemical processesFiltrationSnow melting
Owner:LAIZHOU LAIYU CHEM CO LTD
Novel and environment-friendly snow-melting agent and preparation method thereof
InactiveCN105086942ACause some damagesHarm reductionOther chemical processesSodium bicarbonateFormate
The invention relates to a novel and environment-friendly snow-melting agent and a preparation method thereof and belongs to the technical field of snow-melting agents. The snow-melting agent mainly comprises raw materials in parts by weight as follows: 2-14 parts of garlic juice, 3-12 parts of plant ash, 20-60 parts of formate, 1-8 parts of sodium bicarbonate, 0.05-1.2 parts of polycarboxylic acid, 0.1-1.9 parts of ammonium dihydrogen phosphate and 0.05-3.5 parts of glycolic acid. According to the novel snow-melting agent, the raw materials are easy to obtain and the cost is low. The snow-melting agent is high in snow melting efficiency, the problem that traditional snow-melting products corrode road and ridge reinforcing steel bars is solved, and effects and damage caused by the snow-melting agent on roads and the environment are reduced to the greatest extent.
Owner:WENZHOU HONGCHENGXIANG TECH
Automatic salt sprinkling device for preventing accumulated snow on road and use method of automatic salt sprinkling device
PendingCN114541311APrevent snowGuaranteed no snowFlow mixersTransportation and packagingSnowpackSnow melting
The invention discloses an automatic salt sprinkling device for road snow accumulation prevention and a use method thereof.The automatic salt sprinkling device comprises two supports and is characterized in that connecting rods are fixed to the top ends of the two supports, a mixing barrel is fixed to the top ends of the connecting rods, one end of the mixing barrel is sleeved with a spray head, and the other end of the mixing barrel is sleeved with a salt inlet pipe; a collecting box is arranged at the bottom end of the mixing barrel, one end of the collecting box and one end of the collecting box are sleeved with a feeding pipe and a discharging pipe respectively, an air exhauster is arranged in the feeding pipe, the bottom end of the mixing barrel is sleeved with a hose, the other end of the hose is sleeved with the top end of the collecting box, the hose is sleeved with a flow dividing pipe, and the flow dividing pipe is connected with a flow guiding pipe. A heater is arranged on the hose, water is arranged in the heater, and an opening and closing valve is arranged at one end of the heater. The snow melting device has the advantages that targeted snow melting is conducted according to the current snowfall amount, and the snow melting interval is adjusted in real time according to the snowfall amount.
Owner:郭丽云
Resistance network facility for removing snows and ices from road and laying and power-supplying method thereof
InactiveCN103669162AGuaranteed uniformityImprove snow melting efficiencyPaving detailsElectricityElectrical resistance and conductance
The invention discloses a resistance network facility for removing snows and ices from a road and a laying and power-supplying method thereof. The resistance network facility adopts the structure that a resistance network is laid between a surface layer and a surface bearing layer of the road, or inside the concrete surface layer; and the resistance network is formed by orthogonally welding belt-shaped resistance wires and cylindrical metal spacer bars and orthogonally welding copper wires at two ends of the directions of the resistance wires. The laying and power-supplying method comprises the following steps: along the directions of the resistance wires, dividing the resistance network into three sections or into the sections with the number of multiple of three along the running direction of vehicles on the road; suspending midpoints of three output phases of a power-supplying isolation transformer; and connecting a first output end U, a second output end V and a third output end W in the isolation transformer with ends of three sections of copper strips respectively. The resistance network facility can uniformly remove the snows and thaw the ices, is high in efficiency, good in stability, safe to use electricity and easy in laying, and is applicable to large-area laying and mechanical operation.
Owner:TAIYUAN UNIV OF TECH
Environment-friendly snow-melting agent and preparation method thereof
InactiveCN105062421ACause some damagesHarm reductionOther chemical processesSnow meltingEthyl acetate
The invention relates to an environment-friendly snow-melting agent and a preparation method thereof, belonging to the technical field of snow-melting agents. The snow-melting agent mainly comprises the following raw materials in parts by weight: 5-35 parts of ginger juice, 2-8 parts of ionic liquid, 0.8-4.6 parts of n-butyl alcohol and 0.2-2.6 parts of ethyl acetate. The invention also provides the preparation method of the snow-melting agent. The preparation method comprises the following steps: (1) preparing the ginger juice; (2), (3) and (4) preparing the snow-melting agent. The novel snow-melting agent provided by the invention has the beneficial technical effects that the raw materials are easy to obtain; the cost is low; the snow-melting agent has high snow melting efficiency and conduces to solving the problem of corrosion of road and bridge reinforcements caused by traditional snow melting products; the impacts and damages of the snow-melting agent on roads and environments are furthest reduced; the snow-melting agent is applicable to the low-temperature environment at minus 50 DEG C and has a wider application range of environments.
Owner:WENZHOU HONGCHENGXIANG TECH
Floating plate-type quick snow thawing device and snow thawing vehicle using same
The invention relates to a floating plate-type quick snow thawing device and a snow thawing vehicle using the same. The floating plate-type quick snow thawing device comprises a hood body, wherein atleast one snow thawing unit is arranged below the hood body; the snow thawing unit comprises a floating plate provided with gas holes and a soft connector for sealing the floating plate and the hood body; a gas chamber is formed among the floating plate, the hood body and the soft connector; a gas outlet for inflating high-temperature gas into the gas chamber is formed in the hood body; and the floating plate can float relative to the hood body in the up-and-down direction, and is provided with a contact part which automatically droops under the action of gravity to contact the surface of snow. The floating plate-type quick snow thawing device and the snow thawing vehicle using the same solve the technical problem that in the prior art, the snow thawing efficiency is low because steam cannot be directly and uniformly sprayed onto the surface of the snow due to existence of a certain distance between a snow thawing hood and the snow on the ground.
Owner:HENAN SENYUAN HEAVY IND
Method and system for heating and melting snow, and readable storage medium
Owner:ANHUI HUANRUI ELECTROTHERMAL EQUIP
Dust removal and drainage macroporous asphalt pavement with graded crushed stone composite layer
ActiveCN105625133BExtended service lifePromote excretionIn situ pavingsPaving detailsSurface layerSnow melting
Owner:江苏建通绿色工程有限公司
Environment-friendly deicing agent and preparation method thereof
InactiveCN104031610BCause some damagesImprove snow melting efficiencyOther chemical processesAquatic animalSnow melting
The invention relates to a snow-melting agent, in particular to an environment-friendly snow-melting agent and a preparation method thereof. The environment-friendly snow-melting agent comprises, by weight, 10-60 parts of water, 1-5 parts of ethyl alcohol, 0.3-0.5 part of saccharose, 0.1-1.0 part of isosorbide, 0.1-10 parts of ethanediol, 0.5-50 parts of glycerine, 0.1-1 part of acesulfame, 0.5-5 parts of sodium tripolyphosphate, 0.1-1 part of aspartame, 0.5-1 part of sodium hexametaphosphate, 0.1-30 parts of methyl alcohol and 0.5-1 part of threitol. The snow-melting agent prepared through the method is very high in snow melting efficiency, convenient to transport, safe to use and store, convenient to spray, low in use labor intensity, small in labor cost, small in dosage, high in snow melting speed and free of residues, does not pollute water resources, does not corrode buildings or pavements, does not do harm to plants or aquatic animals, does not destroy the pH value of soil and does not cause salinization of the soil.
Owner:BINZHOU XUTAI CHEM IND CO LTD
Watering cart
The invention provides a watering cart which comprises a cart body, a storage bin and a liquid storage tank, the storage bin is connected with the cart body, the storage bin is provided with a storagecavity, and the storage cavity is used for storing a snow melting agent; the liquid storage tank is connected with the cart body and is provided with a containing cavity, the containing cavity is communicated with the storage cavity, and the liquid storage tank is provided with a spraying end; when snow is accumulated on the road surface, the snow melting agent in the storage cavity enters the containing cavity, and the spraying end sprays out liquid carrying the snow melting agent so as to melt the accumulated snow on the road surface. The problem that in the prior art, the efficiency of spreading salt to a road surface with accumulated snow for snow melting is low is solved.
Owner:BEIJING ENVIRONMENT SANITATION ENG GRP CO LTD +1
Full-automatic snow-melting salt broadcasting vehicle for road maintenance
PendingCN113914255AIncrease contact surfaceImprove snow melting efficiencySnow cleaningHighway maintenanceAutomotive engineering
The invention discloses a full-automatic snow-melting salt broadcasting vehicle for road maintenance, and relates to the field of road maintenance. The full-automatic snow-melting salt broadcasting vehicle for road maintenance comprises a mobile vehicle body, and further comprises a pretreatment component, which comprises a pretreatment box and a grinding roller; an accumulated snow crushing component, which comprises a crushing roller and a fixed adjusting assembly; and an adjusting component, which comprises two height adjusting components, a driving component and two dynamic spreading components. A power element and a fixing frame are arranged on the mobile vehicle body, the driving component comprises two mounting turntables rotationally mounted on the movable vehicle body and a driving device mounted on the movable vehicle body, and each dynamic spreading component comprises a fixing seat. According to the full-automatic snow-melting salt broadcasting vehicle for road maintenance, the height and the broadcasting direction of the broadcasting turntable can be adjusted through the adjusting component when the snow-melting salt is broadcast, and then the broadcasting range of the snow-melting salt is adjusted according to the actual road surface condition, so that the applicability of the whole full-automatic salt broadcasting vehicle is higher.
Owner:侯文艺
Snow melting device and snow melting vehicle
PendingCN110725270ANo chance of overflowing the steam hoodReduce spillageSnow cleaningSnowpackThermodynamics
The invention relates to a snow melting device and a snow melting vehicle. The snow melting device comprises a steam generator, and the steam generator is connected with a steam cover; in use, an opening is formed in the front end of the steam cover in the direction of forward motion, at least two steam blow-off units are parallelly arranged in the steam cover at intervals, each steam blow-off unit comprises a melted snow blow-off unit and a blow-off stop unit, and the blow-off direction of the melted snow blow-off units faces obliquely forwards. At least one steam blow-off unit on the most-front portion of the steam cover is the blow-off stop unit, wherein the blow-off direction of the blow-off stop unit faces right downwards or obliquely backwards. The snow melting vehicle comprises a chassis and the snow melting device on the chassis. By means of the structure, the snow melting device and the snow melting vehicle can effectively avoid the situation that when high-temperature steam is blown off from steam nozzles to exchange heat with surface gathered snow, most steam is spilled over and is not sufficiently utilized, the steam utilization rate is improved, the situation that a lot of steam is dispersed around a cab, and the sight of a driver is affected is avoided, and therefore, the personal safety of the driver is ensured.
Owner:HENAN SENYUAN HEAVY IND
A control method for road icing early warning and automatic disposal system
ActiveCN109887230BImprove snow melting efficiencyMaximize efficiency ratioAlarmsWay cleaningSnow meltingEconomic benefits
Owner:象谱信息产业有限公司
Maintenance method of dust removal and drainage macroporous asphalt pavement with graded crushed stone composite layer
ActiveCN105755924BReduce the temperatureAvoid damageIn situ pavingsPaving gutters/kerbsCrushed stoneRoad surface
Owner:ANHUI UNIVERSITY OF ARCHITECTURE
Municipal snow shoveling device
InactiveCN113502777AApplicable to different situationsImprove snow melting efficiencySnow cleaningSnowpackSnow melting
The invention discloses a municipal snow shoveling device which comprises a device body, an annular-column-shaped snow melting agent cavity, an annular-column-shaped transfer cavity, a door-shaped movable cavity and a cylindrical snow melting cavity are sequentially formed in the device body from top to bottom, and a stepped rotating cavity communicating with the movable cavity is formed in the inner side of the snow melting agent cavity and the inner side of the transfer cavity; the rotating cavity is composed of two cylindrical cavities which are communicated up and down, the inner diameter of the upper portion of the rotating cavity is larger than that of the lower portion of the rotating cavity, and a plurality of runners communicated with the snow melting cavity are evenly formed in the inner bottom face of the transfer cavity. The snow shoveling device has the advantages that on the basis that a single driving source is arranged, a screw rod continuously lifts accumulated snow into a snow melting cavity, a snow melting agent in a snow melting agent cavity is transferred to a transfer cavity through a communicating groove, an upper communicating hole and a lower communicating hole and is transferred into the snow melting cavity through the transfer cavity, two rotating plates are synchronously driven to downwards extrude the accumulated snow in the snow melting cavity, and the snow melting efficiency is further improved.
Owner:嘉悦(湖州)建筑材料有限公司
High-temperature electric tracing band
ActiveCN112188653AIncrease front and rear contact areaImprove snow melting effectHeater elementsHeating element shapesSnow meltingEngineering
The invention discloses a high-temperature electric tracing band, and relates to the technical field of electric tracing bands. The electric tracing band comprises an electric tracing band body, wherein a metal contact is arranged at one end of the electric tracing band body, mounting shells are fixedly connected to the front surface and the back surface of the electric tracing band body, and first through holes are formed in the left side surface and the right side surface of each mounting shell. According to the scheme, the two mounting shells are arranged, the mounting shells and the electric tracing band body are buried in snow, the front-back contact area of the electric tracing band body can be increased through the two mounting shells, and therefore the snow melting capacity is preliminarily improved; by arranging a limiting plate and a heat conduction cover, the left-right contact area of the electric tracing band body is increased; through the arrangement of an extending mechanism, the rotation of the second rotating shaft can relieve the limitation of the baffle block on the extension plate, so that the extension plate extends out of the heat conduction cover under the action of the elastic force of the second spring, the contact area between the electric tracing band body and snow is increased again, the snow melting efficiency of the electric tracing band body is improved, and a large amount of time is saved.
Owner:ANBANG ELECTRICAL GRP
Intelligent roof snow removal system and method for pressure-bearing building
PendingCN114197763ASimple structureIncrease temperatureIndirect heat exchangersSnow trapsSnowpackSnow removal
The invention provides a pressure-bearing building intelligent roof snow removal system which comprises a waste heat snow melting assembly, and the waste heat snow melting assembly comprises a heat exchanger, a circulating pump and a snow melting pipeline. The air compressor and the heat exchanger are sequentially arranged, and the heat exchanger is used for cooling a first high-temperature medium in the air compressor and then conveying the first high-temperature medium to a use end; the circulating pump, the pipeline B, the snow melting pipeline and the pipeline A sequentially form a medium circulating system, and the snow melting pipeline is arranged on the roof of the pressure-bearing building; the low-temperature medium in the pipeline A can exchange heat with the first high-temperature medium in the heat exchanger to become a second high-temperature medium, the second high-temperature medium is sequentially pumped to the pipeline B and the snow melting pipeline through the circulating pump, and the second high-temperature medium in the snow melting pipeline is used for eliminating accumulated snow on the roof of the pressure-bearing building. In addition, a synchronous vibration snow removing assembly is further included for removing snow. The snow depth sensor is combined to detect the accumulated snow amount, waste heat snow removal and / or vibration snow removal can be adopted according to the actual situation, intelligent snow removal can be achieved, and high efficiency and environmental protection are achieved.
Owner:CHINA RAILWAY CONSTR HEAVY IND
Snow melting pavement structure and construction method thereof
PendingCN114855547AGuaranteed service lifeSolve the problem of difficult snowmeltIn situ pavingsClimate change adaptationCarbon nanotubeSnow melting
The invention relates to a snow melting pavement structure and a construction method thereof. The snow melting pavement structure comprises a first concrete surface layer formed on a foundation through pouring; the plurality of carbon nanotube films are laid on the first concrete surface layer at intervals and are electrically connected with the power supply; the second concrete surface layer is formed on the top of the first concrete surface layer in a pouring mode, the multiple carbon nano tube films are arranged between the first concrete surface layer and the second concrete surface layer in a clamped mode, and ice and snow on the top of the second concrete surface layer are melted through heating of the carbon nano tube films. The problem that snow melting of the cement concrete pavement is difficult is solved, snow melting is achieved through external input energy, the snow melting efficiency is improved on the premise that the service life of the pavement is guaranteed, the device can be suitable for the cement concrete pavement, and normal operation of traffic can be guaranteed.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD
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