50results about How to "Improve snow melting efficiency" patented technology

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.

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.

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.

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.

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.

The present invention provides a heating and melting snow method, system and readable storage medium. The heating and snow melting method includes the following steps: obtaining the snow weight per square unit on the roof, and obtaining weather forecast information of the area where the roof is located; According to the weather forecast information, the natural snow melting state of the roof is judged; according to the natural snow melting state and the snow weight, the operating state of the heated snow melting device on the roof is controlled. Beneficial effects of the present invention: According to the weather forecast information and combined with the current snow weight, the operation of the heating snow melting device can be reasonably controlled to avoid the waste of energy caused by the blind operation of the heating snow melting device caused by the influence of the weather, or the heating of the snow melting device The power consumption of the device is insufficient, which makes it impossible to cope with the upcoming further snow accumulation or icing on the roof. In this way, reasonable control of the heating and snow melting device is conducive to the progress of snow melting, energy saving and consumption reduction, and snow melting efficiency is improved.

The invention relates to a dust-removal drainage macropore asphalt pavement comprising a graded crushed stone composite layer. The asphalt pavement is characterized in that an upper surface layer, a middle surface layer, a waterproof anti-cracking layer, a dust-removal composite layer and an upper surface layer are arranged on a pavement structure from bottom to top sequentially; dust-removal devices are buried in the fixing layer of the dust-removal composite layer; the dust-removal devices are dust-removal pipelines which are distributed in a graded crushed stone fixing layer in a grid shape, and through holes are formed in the pipe walls of the dust-removal pipelines; back wash can be performed to the upper surface layer from bottom to top by the aid of the through holes in the dust-removal pipelines; or negative pressure pumping can be performed to seepage water in the upper surface layer by the aid of the through holes in the dust-removal pipelines. According to the dust-removal drainage macropore asphalt pavement comprising the graded crushed stone composite layer, drainage, noise reduction and skid-resistance of the macropore asphalt pavement can be effectively recovered and kept, the service life of the pavement can be prolonged, the pavement drainage efficiency is improved, the pavement accumulated snow melting efficiency is improved, the bulk temperature of the pavement is reduced, the driving safety is ensured, and the driving environment is optimized.

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.

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.

The invention proposes a road icing early warning and automatic disposal system control method. The weather forecast issued by the Meteorological Bureau is used to warn the road icing and notify the owner and provide a plan. Real-time and historical data to estimate the time of road icing, provide accurate alarm information to the owner according to the data of monitoring stations and sensors, and then calculate the parameters of deicing agent spraying amount, spraying interval and spraying times Provide the owner with recommended parameters, and re-evaluate after the spraying. If there is still ice, the second spraying preparation may be carried out. If there is no ice, the system may stop running, and wait for the information released by the Meteorological Bureau. The invention accurately analyzes the amount of spraying, the length of the spraying interval, and the number of spraying times, improves the snow-melting efficiency of the snow-melting agent, improves economic benefits, accurately obtains the best spraying time, automatically feeds back the road surface conditions after spraying, and prevents secondary icing.

The invention discloses a method for maintaining a dust-removing and drainage large-porosity asphalt pavement containing a graded crushed stone composite layer, which is characterized in that the pavement structure consists of a lower layer, a middle surface layer, a waterproof and anti-cracking layer, and a dust-removing composite layer in sequence from bottom to top and the upper layer; the dust removal composite layer is to bury the dust removal pipeline in the fixed layer in a grid arrangement in the graded crushed stone fixed layer, and a through hole is opened on the pipe wall of the dust removal pipeline; the present invention is aimed at the maintenance of the road surface The upper layer is backwashed from bottom to top through the through hole on the dust removal pipeline; or the seepage water in the upper layer is sucked out under negative pressure through the through hole on the dust removal pipeline. The invention can effectively restore and maintain the drainage noise reduction and anti-skid ability of the large-pore asphalt pavement, prolong the service life of the pavement, improve the drainage efficiency of the pavement, improve the snow melting efficiency of the road area, reduce the overall temperature of the pavement, and ensure driving safety. Optimize the driving environment.

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.

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.

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.