926 results about "Snow melting" patented technology

To provide a vehicular lighting tool having a snow melting function without degrading a design thereof.SOLUTION: A vehicular lighting tool includes: a lamp body opened in front; a lamp cover made of a translucent member and forming a lighting chamber by being attached to an opening of the lamp body; an extension member stored in the lighting chamber and arranged facing an inner surface of the lamp cover to hide an internal mechanism inside the lighting chamber from outside; and a heat generation member installed on the inner surface of the lamp cover and generating heat by power supply. A color of the heat generation member matches with a color of a facing surface of the extension member against the lamp cover. By using a heat generation member having the color matched with the extension member which is a background when viewed from a front side of the vehicle lighting tool, a degradation in design of the vehicular lighting tool is suppressed by preventing the heat generation member from being visible.SELECTED DRAWING: Figure 1

A system for purifying and delivering surface water from rain or snow-melt to the local aquifer in order to increase the local groundwater level, is disclosed. The system includes activated charcoal for removal of contaminants including per- and polyfluoroalkyl substances, commonly referred to as PFAS, from surface water prior to delivering the water to the aquifer.

The invention discloses a potential landslide identification method and system based on surface deformation cause analysis. The method comprises the following steps: acquiring radar data and preprocessing the radar data to obtain surface deformation phase data; an IDANet-1 network is constructed and trained, and an earth surface deformation abnormal area is obtained through prediction; respectively processing the terrain DEM data, the multi-temporal MODIS data and the optical image data to obtain ground surface settlement type, glacier snow melting type and mine collapse type ground surface deformation areas, performing union set operation, and performing difference set operation on the union set operation and a ground surface deformation abnormal area to obtain a landslide type ground surface deformation target; training an IDANet-2 network by using the landslide type surface deformation identification data set; and inputting the wide-area comprehensive remote sensing data into the IDANet-2 network model for reasoning to obtain wide-area potential landslide hidden danger distribution information. Through the technical scheme of the invention, multi-level combination of multi-source and multi-mode remote sensing data is realized, accurate identification of earth surface deformation information is realized, and the identification efficiency of large-area potential landslide hidden dangers is effectively improved.

The invention discloses a modularized distributed cold region hydrothermal coupling hydrological model which comprises the following steps: S1, dividing a drainage basin into a plurality of grids, and preparing a file required by a confluence process; s2, preparing driving data and grid feature description data of each grid; s3, calculating an energy balance process of the soil and vegetation surfaces by using an energy balance module; s4, calculating an evapotranspiration process by using an evapotranspiration module; s5, calculating an ice and snow melting process by using an ice and snow melting water module and adopting a degree-day factor method; s6, calculating soil moisture infiltration and an internal hydrothermal transmission process by utilizing a soil hydrothermal transmission and infiltration module; s7, calculating the runoff volume by using a runoff production calculation and confluence module; and S8, evaluating the simulation performance of the model through the model evaluation index. The device has a flexible modular structure, can automatically adjust the time step length, improves the simulation capability of the runoff process in the cold region, and can provide scientific guidance for water resource management in the river source region.

The invention relates to the technical field of snow melting disaster early warning, in particular to a snow surface rain disaster identification method based on a high and cold mountainous area and a related product, and the method comprises the steps: constructing a snow surface rain disaster single-point identification rule capable of being physically explained by using meteorological observation data and remote sensing inversion data of a small amount of weather stations in the high and cold mountainous area; the method is advantaged in that classification is carried out without depending on a black box model, precision and interpretability of single-point snow surface rain event discrimination are improved, regional popularization is carried out through dynamic downscaling simulation of a regional climate mode WRF coupling land surface process model Noah-MP, a point-surface fusion snow surface rain disaster discrimination and identification system is constructed, and the method is advantaged in that the method is simple and convenient to operate. The method is suitable for identifying snow rain disasters in complex terrain areas with high and cold areas, high altitude, large gradient, lack of data, even no data and the like, and solves the technical problems of insufficient snow rain disaster space identification capability and low precision caused by sparse observation data in the high and cold mountainous areas in the prior art.

The invention relates to the technical field of road ice melting, and discloses a road ice melting implementation system and method. The system comprises a meteorological monitoring platform, a snow-melting agent spraying platform and a management and control platform, the method comprises the following steps: firstly, collecting meteorological data and monitoring a road surface state to obtain an initial road ice melting data set, and then carrying out anomaly detection and filling missing data; establishing a road ice melting prediction model based on the neural network, predicting whether the road is iced or not, and outputting a road icing result; then ice melting work is carried out, an enhanced hawk optimization algorithm is introduced to optimize spraying parameters in the ice melting work, and a road ice melting implementation strategy is generated; and finally, adjusting a road ice melting implementation strategy, and establishing a snow melting environment coupling model and an alarm mechanism. By analyzing and processing the road ice melting data, the purpose of implementing road ice melting is achieved, and the method is objective and accurate.

The efficient horizontal snow melting machine comprises an outer shell, an ice making assembly, an ice discharging assembly and a refrigerating system, the ice making assembly comprises an ice making shell, an ice making cup, an ice scraping knife and a synchronous motor, and the ice making shell is arranged at the top of the outer shell; according to the snow melting machine, the water storage cavity is arranged to convey water to the ice making shell, then the refrigerating system is arranged to cool the water in the ice making shell to form ice, then the ice is converted into smoothie through the ice making cup, the ice scraping knife and the synchronous motor of the ice making assembly, and finally the smoothie is output through the ice outlet assembly, so that efficient smoothie production is achieved, the overall structure is practical and reliable, and the snow melting machine is convenient to use. The operation is simple.

The utility model discloses a heat pipe and heat pump snow melting assembly utilizing a ground source, and belongs to the technical field of geothermal utilization. The underground buried pipe heat removal unit comprises a solution circulating pump, a circulating pipeline I, a U-shaped buried pipe type heat exchanger and measuring equipment I; an outlet end of the solution circulating pump is communicated with an inlet of the U-shaped buried tubular heat exchanger, the U-shaped buried tubular heat exchanger is pre-buried underground, and an outlet of the U-shaped buried tubular heat exchanger is communicated with an inlet of an evaporator heating chamber of the heat pump unit through the first measuring device. An outlet of an evaporator heating chamber of the heat pump unit is communicated with an inlet of the solution circulating pump through a first circulating pipeline. The composite pavement unit is heated by utilizing heat of a ground source, so that the temperature of the composite pavement unit is increased to the snow melting temperature, the composite pavement unit has better environmental compatibility and friendliness, resources can be reasonably utilized, and the snow melting process is free of pollution and corrosion phenomena.

The invention discloses a cold region land surface process river water and sediment model construction method, which comprises the following steps: selecting a target research drainage basin, extracting a drainage basin range ROI (Region of Interest), and collecting water and sediment data and related basic data in the drainage basin range; calculating a thermal erosion amount caused by temperature rise in the river reach, a snow melting erosion amount caused by snow melting, a water erosion amount induced by rainfall and a river ice erosion amount caused by ice running or flow ice scraping erosion of river ice in winter and spring; selecting landform characteristic parameters according to a river flow direction to construct a sediment transport coefficient of a river reach, establishing a cold region river water and sediment model according to the sediment transport coefficient and each erosion source item, and obtaining a sediment content simulation result based on the established cold region river water and sediment model; and evaluating the simulation performance of the model based on the established evaluation index. The method can dynamically respond to the erosion sand production and runoff sand transportation process of the cold region, provides timely and high-precision sand content calculation, and has important significance on water and soil conservation management and water and sand risk regulation and control of the cold region.

The invention discloses a numerical simulation method, device and equipment for ice rock collapse starting and a medium, relates to the technical field of fluid motion simulation, and provides an FDEM-SPH coupling framework. Through a CIE unit in the FDEM method, crack propagation and fracture processes in rock masses are accurately simulated, and after the CIE unit is completely fractured, the FDEM method simultaneously simulates various contact forms between two separated finite units, so that mutual movement and interaction between fractured rock masses can be accurately described; ice and snow melting and movement in the ice-water phase change process are simulated through the smoothed particle flow SPH, and meanwhile, the interaction between ice-water phase change and rock mass fracture movement can be quantified by calculating the contact force between virtual particles in the smoothed particle flow SPH and the surface of a finite element in the finite discrete element method FDEM; the interaction reflects the erosion and impact of the ice-water phase change on the rock mass in the whole process and the actual physical condition in the ice rock collapse starting process, so that the ice rock collapse change more fitting the real condition is described.

The invention relates to the technical field of road deicing, in particular to a road surface ice melting system. The road surface ice melting system comprises a temperature measuring optical fiber, a DTS host, a control end and a plurality of ice melting devices. The temperature measuring optical fibers are laid on two sides of the pavement base layer; the plurality of ice melting devices are arranged on the two sides of the road surface; the temperature measuring optical fiber is divided into a plurality of temperature measuring sections, and the plurality of temperature measuring sections are in one-to-one correspondence with the plurality of ice melting devices; the DTS host can obtain the temperature values detected by the multiple temperature measuring sections in real time, and when the temperature values, obtained by the DTS host, of one or more temperature measuring sections reach the icing temperature threshold value, the control end controls the ice melting device corresponding to the temperature measuring section reaching the icing temperature threshold value to be started, so that hot water is sprayed to the road surface through the spraying head. According to the road surface ice melting system, the problems that an existing system for monitoring road surface icing has great misjudgment performance, if an organic snow melting agent is sprayed, the manufacturing cost is too high, and spraying of inorganic snow melting agents causes corrosive damage to a road are solved.

The invention belongs to the technical field of road deicing, and particularly relates to an environment-friendly snow and ice removing vehicle which comprises a vehicle body, an ice and snow removing device, a heating system and a water treatment system, the vehicle body is provided with an equipment bin, an ice and snow melting bin and an anti-freezing water bin, and a PV / T device used for providing electric energy for a motor and a vehicle-mounted hydrogen production device of the vehicle body is laid on the vehicle body; the ice and snow removing device is used for conveying ice and snow into the ice and snow melting bin; the heating system is used for heating ice and snow in the ice and snow melting bin; the water treatment system comprises a cyclone desanding device, an electrochemical disinfection device and a reverse osmosis device which are sequentially communicated, the cyclone desanding device is communicated with the ice and snow melting bin and used for removing large-particle impurities in water, the electrochemical disinfection device is used for removing microorganisms in the water, a water outlet of the reverse osmosis device is communicated with the anti-freezing water bin, and a water outlet of the reverse osmosis device is communicated with the ice and snow melting bin. And the water desalted and purified by the reverse osmosis device is discharged into the anti-freezing water sump. The system has the beneficial effects that the energy utilization efficiency is improved, and cyclic utilization of water resources is achieved.

The invention relates to the technical field of railway turnout snow melting, in particular to railway turnout active snow melting maintenance equipment and an intelligent control method.The railway turnout active snow melting maintenance equipment comprises a turnout, an electrical cabinet, an air pump, a distribution pipeline at the output end of the air pump and induction heating equipment; the electrical cabinet performs electric control and transmits related signals, the multiple induction heating devices are continuously arranged at the rail web of the inner side of the turnout stock rail and used for heating and melting accumulated snow between the induction heating devices and a switch rail, and meanwhile cold air is input into the two ends through the air pump to cool an internal coil, then secondary heating is performed in a gap between a heat insulation layer and a steel plate, and the melted snow is discharged. According to the invention, turnout snow melting is carried out based on combination of electromagnetic heating and hot air, the snow melting efficiency is high, the energy consumption is low, no influence is caused on a steel rail, the preheating time is short, traffic is opened immediately after snow melting, and meanwhile, intelligent control of self-starting, self-monitoring and self-judging can be carried out according to environment and scheduling information, so that the energy consumption is further reduced.

The invention belongs to the technical field of natural disasters, and provides a space gridding snow disaster early warning method and device, equipment and a storage medium. The method comprises the following steps: completing analysis of daily snow melting characteristics and laws by using hour-by-hour snow depth data, proposing accumulated snow melting indexes on this basis, screening sensitive factors and sensitive time periods of accumulated snow melting through analysis of a collaborative change relationship between snow depth and air temperature, ground temperature and the like, determining index factors of snow melting prediction, establishing a snow melting prediction model, and predicting the snow melting. Performing regression calculation on the snow depth of each grid point in the target area by using the snow melting prediction model based on the historical snow depth of accumulated snow and the gradual time meteorological data, extracting the unique slope and intercept parameter of each grid point, and constructing a space gridding model; and based on the space gridding model, snow disaster early warning is realized. The method provided by the invention solves the problems of inaccurate prediction and low spatial quantification degree caused by snow melting deficiency in the current snow disaster early warning process.

The invention discloses a runoff forecasting method of an EMD-BiLSTM model based on a snow melting multi-source factor, and the method comprises the steps: firstly building a prediction data set based on multi-source accumulated snow remote sensing data in combination with a hydrological station control basin and a snow melting confluence production process in an alpine region, and carrying out the preprocessing of the data set, performing time-frequency analysis on the runoff sequence by adopting an empirical mode decomposition method, decomposing a complex runoff signal into a plurality of basic mode components, and averaging the mode components to obtain an interpretable runoff change signal; a BiLSTM model is utilized to train a data set, meanwhile, an attention mechanism is introduced, a Bayesian optimization algorithm and a gradient cutting technology are adopted in the training process to determine an optimal hyper-parameter, and the problem of gradient explosion in the back propagation process is prevented. According to the method, high-precision prediction of the daily runoff of the alpine hydrological control basin is achieved through the model, and the method has high stability and generalization ability and is suitable for runoff prediction and water resource management in alpine regions.

The utility model discloses a vertical snow melting machine, including casing, refrigeration subassembly, drive subassembly and stirring subassembly, casing includes storage barrel, refrigeration subassembly includes evaporator, storage barrel and evaporator are both vertically set, drive subassembly includes drive motor, the stirring subassembly includes first scraper piece or second scraper piece, and the first scraper piece or second scraper piece is connected with the first scraper piece or second scraper piece. The first scraper piece or the second scraper piece is vertically connected with the driving motor, the first scraper piece is provided with an ice cream scraper part, and the ice cream scraper part spirally extends downwards along the inner side wall of the storage barrel; a plurality of notches are formed in the inner side edge and the outer side edge of the ice cream scraper part; and the second scraper part is provided with a smoothie scraper part. By the adoption of the ice cream maker, the transverse occupied space can be saved, the size is small, smoothie and ice cream can be made, and different requirements of users can be met.

The invention provides a spectrum prediction method of a snow ablation optimization algorithm based on chaotic mapping good point set initialization and simulated annealing, a program, equipment and a storage medium. The improved snow ablation optimization algorithm is adopted to optimize key parameters in the spectrum prediction model, the positions of individuals in the population are initialized based on the chaotic mapping good point set, and the uniformity and randomness of the initial population are effectively improved; on the basis of a double-population mechanism of the snow ablation optimization algorithm, one population keeps an original individual position updating mode, the other population introduces a probability acceptance mechanism of simulated annealing, a neighborhood solution is accepted at a certain probability to update the position of an individual, and the global search ability of the algorithm is enhanced; the disturbance amplitude in the search process is controlled by using a temperature attenuation mechanism, the convergence speed is improved, the optimization precision is improved, and the robustness of the algorithm is enhanced. Compared with other algorithms, the method is better in effect, the prediction performance is greatly improved, and the method can be suitable for different channel environments.

The invention discloses an alpine region snow melting drought monitoring device, and relates to the technical field of environment monitoring equipment, the alpine region snow melting drought monitoring device comprises a bottom plate, the bottom plate is provided with an adjusting storage switching mechanism, and the top of the adjusting storage switching mechanism is provided with an automatic real-time angle adjusting mechanism; according to the snow melting and drought monitoring device for the alpine region, horizontal rotation of the solar photovoltaic panel is achieved through the arranged automatic real-time angle adjusting mechanism; meanwhile, the solar photovoltaic panel is always at the optimal lighting angle, the solar energy utilization efficiency is improved, the angle of the solar panel is adjusted through one driving source, the manufacturing cost of the device is reduced, and the problems that in the using process of an existing device, the angle of the solar panel is inconvenient to adjust in real time, and the using cost is low are solved. The problems that the solar cell panel cannot be always in the optimal lighting angle due to the fact that the solar cell panel cannot be in the optimal lighting angle, the angle of the solar cell panel is adjusted through two driving sources of a motor and an air cylinder, the manufacturing cost of the device is increased, and meanwhile energy consumption is increased are solved.

The invention discloses an efficient regulation and control method and system for water resources in a cold region under soil erosion, and the method comprises the steps: collecting regional weather, soil and crop data, and dividing a space grid unit; constructing a freeze-thaw period water balance model, and simulating day-by-day soil water content and snow melting water dynamics; an irrigation-yield correlation model and an improved soil erosion model are established, and the driving effect of irrigation water quantity on crop growth and soil loss is quantified; designing a yield, water saving amount and erosion amount three-objective optimization function, generating a Pareto optimal solution set by adopting a third-generation non-dominated sorting genetic algorithm (NSGA-III), and optimizing an irrigation scheme in combination with a decision algorithm. The method has the advantages that the limitation of traditional single target regulation and control is broken through multi-model coupling, and accurate quantification of the contribution rate of the irrigation water amount in soil erosion is achieved; the water and soil loss risk of the high-gradient area is effectively reduced based on the differential regulation and control strategy of the space grid, and meanwhile the water demand of crops is guaranteed; the black soil area water resource utilization efficiency is improved, and cultivated land degradation is inhibited.

This invention provides a method and application for the comprehensive utilization of chlor-alkali salt mud solid waste to prepare a composite de-icing agent, belonging to the field of comprehensive utilization of solid waste resources and composite material synthesis technology. The invention first prepares a slurry by mixing chlor-alkali salt mud with water. Then, under the action of an acidification aid and an ionic liquid, organic and inorganic acids are added in a single step, followed by precipitation of the composite de-icing agent in an alcohol precipitation solution. The method of this invention achieves a salt mud utilization rate of 86.55-88.85% and an effective component extraction rate of 96.70-99.27%, especially for Ca... 2+ Na + K + Mg 2+ Al 3+ The extraction rates reached 95-99.99%, 99.9%, 99.9%, 85.5-95.0%, and 80.5-90.0%, respectively, and also improved the extraction efficiency of Ca in the solution. 2+ Na + K + Mg 2+ Al 3+ The precipitation rates reached 95.5-99.5%, 75.5-80.5%, 72.5-75.5%, 95.5-99.5%, and 71.5-75.5%, respectively, and the product yield reached 90.80-95.08%. It has broad prospects for snow melting and ice removal in low-temperature environments of -15℃ to -20℃.

The invention relates to the field of inspection unmanned aerial vehicles, in particular to an overhead line power inspection unmanned aerial vehicle. An overhead line electric power inspection unmanned aerial vehicle comprises an unmanned aerial vehicle body, a camera and the like. And four cameras are mounted on the unmanned aerial vehicle body. According to the unmanned aerial vehicle, by controlling the releasing length of the mooring rope, the strength of the deicing bar for impacting the cable body is controlled, so that deicing work of overhead cables of different thicknesses is achieved, damage to the cable body is reduced, and after the folded deicing bar is limited through the guide column and the limiting sleeve, the situation that the deicing bar and the unmanned aerial vehicle body move asynchronously is effectively avoided, and the deicing efficiency is improved. And the heater melts ice and snow attached to the surfaces of the ice removing bars after impacting the cable body, and the situation that the ice and snow attached to the surfaces of the ice removing bars are increased, the overall load of the unmanned aerial vehicle body is increased, energy consumption of the unmanned aerial vehicle body is increased, and the endurance time of the unmanned aerial vehicle body is shortened is avoided.

The invention provides a control method, a control device, electronic equipment, a snow melting machine and a storage medium, and relates to the field of snow melting machines. The control method comprises the steps that in response to a working mode selected by a user, a motor and a compressor are started, and the current value of the motor and the material temperature value of raw materials added into a refrigeration cylinder are obtained; and based on the working mode, the current value and the material temperature value, the rotation direction of an output shaft of the motor is switched, and whether the ice sand is made or not is judged. According to the technical scheme, based on the raw material amount, the motor current and the raw material temperature, switching of motor steering and judgment of ice shaving forming are achieved, and the ice shaving manufacturing quality and efficiency can be improved.

The invention relates to a road snow melting device as well as a preparation method and application thereof. The road snow melting device comprises a stable base layer and a thermal resistor, the stable base layer comprises an energy storage body, and the energy storage body can play a structure supporting role; the energy storage body is connected with external electric energy and the thermal resistor through wires. The preparation method of the energy storage body comprises the following steps: preparing cement-based printing slurry; filling the cement-based printing slurry into a 3D printing device, and stacking layer by layer to form a printing body; curing, maintaining, trimming and drying the printing body, and immersing the printing body into a soluble alkali / salt solution to obtain a cement-based electrolyte; a soluble alkali / salt solution is dropwise added to the surface of the electrode, then the electrode and the cement-based electrolyte are stacked and assembled, and an assembly is obtained; sealing and packaging the assembly body to obtain an energy storage body; a printing interlayer interface of the cement-based electrolyte has a directionally arranged pore structure, the pore diameter is 0.5-20 microns, and the porosity is 10-50%; and the hole orientation of the hole structure is consistent with the ion migration direction between the electrodes.

The utility model discloses a main machine body for a snow melting machine, which comprises a case main body, a detachable smoothie cylinder and a rotary buckle assembly, the top of the case main body is provided with a driving seat corresponding to the smoothie cylinder, and the driving seat and the smoothie cylinder are closed through the rotary buckle assembly to form a sealed space for smoothie manufacturing and storage; wherein the rotary buckle assembly comprises a rotary buckle, the lock catch column arranged on the smoothie cylinder and a handle used for driving the rotary buckle to rotate, and the driving seat is provided with a rotating shaft used for installing the rotary buckle; the rotary buckle is provided with an arc-shaped lock catch groove, a notch is formed in one end of the arc-shaped lock catch groove, the lock catch column enters the arc-shaped lock catch groove through the notch, and in the process that the lock catch column moves along the arc-shaped lock catch groove relatively, the distance between the lock catch column and the rotary shaft is gradually reduced. And the driving seat and the smoothie cylinder are pulled together. According to the utility model, the smoothie cylinder is convenient to assemble and disassemble, and the tightness after assembly is strong.

The invention discloses a preparation method of steel slag asphalt concrete capable of quickly melting ice and snow under the action of microwaves, which comprises the following steps: mixing SBS (styrene butadiene styrene), decrosslinked rubber and a wave-absorbing modifier to obtain a composite modifier; the composite modifier and matrix asphalt are blended, meanwhile, a stabilizer and a compatilizer are added, shearing and stirring are conducted, and wave-absorbing modified asphalt is obtained; placing the steel slag powder in an alkali solution, stirring at the temperature of more than 100 DEG C, reacting at normal pressure for more than half an hour, and after the reaction is finished, filtering and drying a product for the first time to obtain the wave-absorbing reinforced steel slag powder; the wave-absorbing modified asphalt, the steel slag coarse and fine aggregate and the wave-absorbing reinforced steel slag powder are subjected to grading design and stirred for 120-200 s at the temperature of 185-195 DEG C, and the steel slag asphalt concrete is obtained; when microwaves act on the accumulated and frozen steel slag asphalt concrete, the steel slag aggregate, the wave-absorbing reinforced steel slag powder, the wave-absorbing reinforcing agent and the like have dielectric loss and magnetic loss on the microwaves, the asphalt concrete converts microwave electromagnetic energy into heat energy, and rapid ice and snow melting of the steel slag asphalt concrete is achieved.

The invention relates to a control method and device of snow melting equipment, the snow melting equipment and a storage medium, and the control method comprises the following steps: when the snow melting equipment is in a smoothie making mode, obtaining a first rotating speed of a stirrer; if the first rotating speed is smaller than the preset rotating speed, controlling the compressor to stop working, and meanwhile, controlling the stirrer to continuously run for first duration; acquiring a second rotating speed of the stirrer after the first duration; if the second rotating speed is smaller than the preset rotating speed, the stirrer is controlled to stop working, and meanwhile, a refrigerant reversing valve of the compressor is controlled to perform primary reversing to enter an ice melting mode. According to the technical scheme, the technical problems that when beverage smoothie with the high water content is made through traditional snow melting equipment, water in the beverage smoothie is prone to icing on the surface of the refrigeration cylinder, stirring of the stirrer is affected, smoothie making is affected, and the user experience is poor are effectively solved.

The invention provides an ice and snow pavement simulation experiment test method and system, and relates to the technical field of intelligent construction of road engineering, and the method comprises the steps: obtaining test pavement data; acquiring molten accumulated water data; acquiring simulation test data; determining a test environment severe coefficient according to the pavement ice and snow density and the simulation test data; determining a comprehensive melting effect coefficient according to the pavement friction coefficient, the pavement ice and snow thickness and the melting accumulated water data; determining a snow-melting agent effect coefficient according to the test environment severe coefficient and the comprehensive melting effect coefficient; obtaining a second pavement ice and snow thickness; determining an anti-re-freezing effect coefficient according to the second pavement ice and snow thickness; and determining a test report according to the snow-melting agent effect coefficient and the anti-re-freezing effect coefficient. According to the invention, a low-cost repeated road ice and snow melting experiment under a controllable ice and snow environment condition can be realized, and the data stability is relatively good.

The invention relates to a composite flexible asphalt-based anti-corrosion paste and a preparation method thereof.The composite flexible asphalt-based anti-corrosion paste is divided into four layers including a hydrophobic blocking layer, high-temperature-resistant anti-corrosion cloth, a low-temperature flexible anti-corrosion bonding layer and an isolating membrane, and the hydrophobic blocking layer comprises a blocking layer A, a blocking layer B, a blocking layer C, a blocking layer D and a blocking layer E which are sequentially connected. The isolating membrane is a bonding layer protective membrane before construction and is torn off during construction, and the low-temperature flexible anti-corrosion bonding layer is bonded with the traffic isolating wall. The product provided by the invention has multiple properties of high binding power, low-temperature construction, high and low temperature resistance, freeze thawing resistance, aging resistance, salt resistance, ultraviolet resistance, acid and alkali corrosion resistance, water resistance and the like, effectively defends permeation of chloride ions and saline water, prevents corrosion of a snow-melting agent to the cement concrete anti-collision wall, and prolongs the anti-corrosion maintenance interval of the anti-collision wall to 3-5 years or more. The product can be well adhered to an anti-collision wall in a low-temperature state, and the apparent color of the material is not changed after the material is corroded by a snow melting agent.

1. The name of the design product: snow melting machine (1L). 2. The use of the design product: food processing equipment for making edible ice and snow (such as smoothie, snow ice, and food decoration ice chips). 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view. 5. The A, B and C parts of the design product are translucent.

The utility model belongs to the technical field of household appliances, and particularly relates to a snow melting machine. Comprising a snow melting machine body and a charging barrel detachably arranged on the snow melting machine body, an elastic sealing piece is further arranged on the snow melting machine body, and the elastic sealing piece is used for sealing the outer edge of a barrel opening of the charging barrel after the elastic sealing piece and the charging barrel are installed; the elastic sealing piece is provided with a sealing side face facing the outer edge of a barrel opening of the charging barrel, and the sealing side face forms a section shape with the thickness gradually increased in the loading direction of the charging barrel. By optimizing the structure of the elastic sealing piece, a better sealing effect is achieved after the charging barrel is installed.