48results about How to "Avoid secondary freezing" patented technology

The invention discloses deicing and anti-icing liquid for an airplane. The deicing and anti-icing liquid comprises the following components by weight: 30-50% of propylene glycol, 25-52% of diethylene glycol, 0.15-8% of methylbenzotriazole, 0.8-8% of triethanolamine, 0.02-2% of polyoxyethylene lauryl (9) ether, 0.01-3% of linear alcohol (16-18) polyoxyethylene (35) ether, 1-3% of potassium hydroxide and 16-25% of deionized water, wherein a pH is 8.6-9.0+ / -0.5, and a freezing point is not more than -25 DEG C. The invention aims at the requirement that a water atomizing tolerance test for hard water stability and hot stability of the deicing and anti-icing liquid of the airplane lasts for 3 minutes, provides a new design project on selection of a freezing point decreasing agent, a corrosion inhibitor, an impregnating agent and an inhibitor, and adopts an organic freezing point decreasing agent, an organic corrosion inhibitor, an organic impregnating agent and an organic inhibitor, so that the deicing and anti-icing liquid is more environment-friendly and the anti-icing performance is more excellent.

The invention provides an electric pole deicing device. The electric pole deicing device comprises a trolley, a supporting rod, an ice shoveling mechanism, an ice melting mechanism and a water absorbing mechanism used for absorbing ice water on the electric pole surface. The ice shoveling mechanism comprises an arc-shaped supporting plate and three sets of ice shoveling cutter groups. The arc-shaped supporting plate is arranged at the top end of the supporting rod. The three sets of ice shoveling cutter groups are distributed evenly in the circumferential direction of the arc-shaped supportingplate. The ice melting mechanism comprises a storage battery, a second arc-shaped plate, a second guide sleeve, a heating wire and a second spring. The water absorbing mechanism comprises a third arc-shaped plate, a third guide sleeve, a water absorbing block and a third spring. Ice shoveling cutting edges in the electric pole deicing device each are in an arc shape, so that the contact area between the ice shoveling cutting edges and an electric pole is increased, and thus the ice shoveling efficiency is further improved; through the heating wire in an ice melting device, ice residue left byice shoveling cutters can be melt quickly, and the ice shoveling quality is ensured; and meanwhile, the ice water formed after ice is melted through the heating wire can be absorbed away by the waterabsorbing block in the first time, and secondary freezing of the ice water is prevented, so that electric pole deicing operation is conducted smoothly.

The invention discloses a snow and ice removal vehicle which comprises a vehicle body, a snow throwing machine, an ice-breaking device, an ice-melting device and a heat transferring pipeline. The snowthrowing machine is connected to the front portion of the vehicle body, and the ice-breaking device is connected to the front portion of a vehicle body chassis. The ice-melting device is connected tothe middle of the vehicle body chassis. One end of the heat transferring pipeline communicates with a heat output opening of the ice-melting device, and the other end of the heat transferring pipeline is connected with a horn opening structure. The snow and ice removal vehicle provided by the invention is easy to operate and control, ice and snow layers can be efficiently and thoroughly removed,damage to tracks is not prone to being caused, energy conservation and environmental friendliness are achieved, and secondary environmental pollution is avoided.

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.

The invention discloses a hand-push double-tooth multifunctional ice breaking machine. The machine comprises a trolley, a hot melting module, an ice breaking module, a collecting module, a transportation module and a crushing module. The hot melting module, the ice breaking module, the collecting module, the transportation module and the crushing module work cooperatively to form the multifunctional ice breaking machine. Road ice breaking, ice block collecting, ice breaking and cleaning are integrated. The invention discloses a double-tooth ice breaking wheel. Sharp teeth and an impact gear are used for ice breaking alternately, point-plane combination is achieved, and the ice breaking efficiency is greatly improved. According to the machine, compacted ice and snow of a road can be treatedin a large range, an ice layer of a certain area can be broken in pertinence, and accumulated snow is removed. Meanwhile, the machine is suitable for the road environment, communities and the like and also applicable to solving the problems about snow accumulation and ice accumulation, and the travel safety of people is guaranteed.

The invention discloses an ice melting agent for deicing power transmission lines, and a preparation method thereof, and belongs-the technical field of deicing of the power transmission lines. The icemelting agent is prepared from, by weight, 15-20 parts of modified multi-walled carbon nanotubes, 24-28 parts of epoxy resin, 30-35 parts of carbamide, 10-16 parts of sodium acetate, 20-25 parts of 1,2-propanediol, 12-18 parts of glycerol, 5-8 parts of glycerol monolaurate, 6-10 parts of a corrosion inhibitor and 41-45 parts of water. The multi-walled carbon nanotubes are modified, and then are compounded with the epoxy resin, carbamide, sodium acetate and the corrosion inhibitor are added, and all above components synergistically act, so the obtained solid granular ice melting agent has excellent comprehensive performances, still has a high ice melting rate in a low temperature environment, has a freezing point of -35 DEG C or below, has very small damages to roads, electric poles and plants, and can form a hydrophobic film on the surface of the material to protect the material and reduce damages. The ice melting agent plays a great role in the deicing operation of the power transmission lines, is especially suitable for the deicing in outdoor low-temperature environments, and is worthy of promotion.

The invention discloses an ice removing and snow melting protection device used for a bridge stay cable. The ice removing and snow melting protection device comprises a PE pipe. The inner surface of the PE pipe is fixedly connected with a water absorption expansion device. The inner surface of the water absorption expansion device is fixedly connected with a waterproof film, and a longitudinal opening groove is formed in the waterproof film. A self-temperature-control tracing heat belt is spirally connected between the outer surface of the water absorption expansion device and the inner surface of the PE pipe. By means of the ice removing and snow melting protection device used for the bridge stay cable, due to the arrangement of the water absorption expansion device, the stay cable can beisolated from water flow vapor, the corrosion-resisting, waterproof and rustproof effects of the stay cable can be achieved, and the service life of the stay cable is prolonged; the water absorptionexpansion device can absorb melted snow water so that the size can be enlarged, the water absorption expansion device expands outwards from a pipe opening, and stress ice breaking is achieved; and dueto the arrangement of the opening of the PE pipe, vapor generated by evaporation of the water surface around the stay cable can be absorbed, the device is electrified and used when the temperature ishigh, a dehumidifying effect is achieved in summer, the stay cable is protected, and the service life of the stay cable is prolonged.

The invention discloses an ice melting agent for an electric transmission line. The ice melting agent is powdery solid and is mainly prepared from the following ingredients in percentage by mass: 53 to 60 percent of sodium chloride, 20 to 23 percent of sodium carbonate or sodium bicarbonate, 4 to 7 percent of ammonium chloride, 3 to 6 percent of potassium oxide and 11 to 13 percent of trichloroacetic acid. The ice melting agent for the electric transmission line provided by the invention can achieve the technical effect of fast ice melting. At the temperature of 5 DEG C, the ice melting speedin the primary ice melting stage can reach 63.3 mL / min and is much greater than the ice melting speed of 24.5 mL / min in the primary ice melting period of calcium chloride type ice melting agents; thedefect of the existing ice melting agent is solved. Meanwhile, due to the existence of jelly materials, the electric transmission line can be protected; secondary icing of the electric transmission line can also be prevented; the excellent ice removal and snow thawing capability can be realized.

The invention discloses a scanning type circulating power supply snow and ice melting bridge deck electric heating system. The snow and ice melting bridge deck electric heating system is divided into independent controllable parallel electric heating units according to electric load capacities; the electric heating units are arranged in parallel in the form of a longitudinal array according to a set distance; and the electric heating units in the longitudinal array are controlled in groups to work in circulation in the form of scanning according to a set time sequence. According to the invention, available electric power of a power supply system can be sufficiently utilized and the total power of the electric heating system is ensured; the heating uniformity is improved and secondary icing of melted water is avoided; the reliability of a snow and ice melting system is improved and convenience is brought to the maintenance; the scanning type circulating power supply snow and ice melting bridge deck electric heating system can be widely applied to various special road sections including airport runways, tunnel entrance transitional areas and the like so that the electric heating snow and ice melting method is well applied.

The invention provides a defrosting assistance system of an air-conditioning heat pump unit in extremely-cold working conditions. The defrosting assistance system comprises a water collecting tray anda heating element, wherein the water collecting tray is used for collecting defrosting water when the air-conditioning heat pump unit works in the defrosting mode; and the heating element is used forsupplying heat to the water collecting tray. According to the defrosting assistance system, the effect that defrosting water is timely and thoroughly discharged out of the water collecting tray can be achieved through the reasonable arrangement of the heating element on the water collecting disc. The invention further discloses the air-conditioning heat pump unit and a defrosting method. The air-conditioning heat pump unit is equipped with the defrosting assistance system. The defrosting method is applied to defrosting by using the defrosting assistance system.

The invention relates to the technical field of heat exchangers, in particular to a water containing plate for a heat exchanger. The water containing plate for the heat exchanger comprises a bottom plate and a water guiding plate, wherein the water guiding plate is arranged on the periphery of the bottom plate in a surrounding way and can be detachably connected with the bottom plate; multiple first notches are arranged on the peripheral side of the bottom plate; the water guiding plate is provided with multiple second notches corresponding to the first notches; the first notches and the corresponding second notches enclose to form multiple drain holes for draining; and a hole wall of each drain hole downwards extends out of a flow guiding part. Compared with the prior art, the multiple drain holes are formed between the water guiding plate and the bottom plate and are formed in the periphery of the bottom plate in a surrounding way, the drain holes extend out of the flow guiding part,and during a draining process, the partial adhesion capacity and the surface tension of water are eliminated through the flow guiding part, so that defrosting water and condensation water can be drained out of the water containing plate along the flow guiding part, the water can be drained smoothly, and the occurrence of the phenomenon that the drain holes are secondarily frozen is avoided; and in addition, an electric auxiliary heating part can be omitted, so that the manufacturing cost is reduced, and the potential safety hazard is eliminated.

The invention discloses a 10kV distribution line deicing device. The 10kV distribution line deicing device comprises an icebreaking mechanism, a clamping base matched with the icebreaking mechanism toclamp a distribution line, a sweeping mechanism and connecting rods connected between the icebreaking mechanism and the sweeping mechanism. The number of the connecting rods is two, the front ends ofthe two connecting rods are fixedly connected to the rear portion of the icebreaking mechanism, and the front ends of the two connecting rods are rotationally connected to the two sides of the sweeping mechanism through bearing pedestals correspondingly. The device is reasonable in structure and convenient to use, double icebreaking is conducted through the ice melting agent and the icebreaking protruding edges arranged in the icebreaking grooved wheel, icebreaking is thorough, then residual water spots on a power distribution line are thoroughly removed through the sweeping mechanism, and secondary icing is avoided; and a warning lamp is fixedly mounted at the bottom of the connecting arm, so that an operator can conveniently observe the operation position of the deicing mechanism on thepower distribution line.

The invention discloses a system for automatically cleaning internal combustion locomotive radar. The system involves a radar mounting panel, a melting system, a purging system and a radar purging control system, wherein a radar, a temperature sensor and an ultrasonic measuring device are arranged on the radar mounting panel; the invention further provides a method for automatically cleaning the internal combustion locomotive radar, and in the method, the radar purging control system controls the purging system and the melting system according to one or more of data of the radar mounting paneland the data of the ultrasonic measuring device which are acquired in real-time, so that automatic cleaning of the internal combustion locomotive radar is achieved. According to the scheme, high-temperature water in an existing diesel engine cooling system of a locomotive is used for heating and melting the radar, in addition, the compressed air in an air braking system of the locomotive is utilized to carry out radar dust purging, and an air cylinder and an air compressor do not need to be independently arranged, so that the locomotive resource is saved.

The invention relates to a preparation method of a frost-inhibiting and defrosting super-hydrophobic surface structure. The preparation method comprises the following steps of processing an equidistant micron-sized arc groove array on a smooth substrate sample surface, cleaning the sample with the micron-sized arc groove array, carrying out heating oxidation in a mixed alkali solution to form a layer of micro-nano blade-shaped structure on the sample surface, preparing a sample surface with a micro-nano topological structure, then silanizing the sample surface to form a layer of monomolecular hydrophobic group, and enabling the monomolecular hydrophobic group to be in a superhydrophobic state; Compared with an existing frost prevention and removal technology, two main changes are made, firstly, an ultra-clean chamber and photoetching equipment are not needed, and the micro-nano topological structure is directly processed on the surface of a metal substrate; and secondly, the surface design has frost inhibiting and defrosting properties at the same time, the application range is wide, and the method is suitable for various types of heat exchangers such as tube fins and micro-channels with copper or aluminum or aluminum alloy as a substrate material.

The invention discloses an electric power cable de-icing device. The electric power cable de-icing device comprises a frame plate, frame legs, removing devices arranged at end portions of the frame legs and a pull ring arranged on the frame plate, wherein the frame plate surface is provided with an arc-shaped water collection groove, the removing devices comprise sliding blocks provided with through holes and water absorption layers, and inner walls of the through holes are wave-shaped surfaces. According to the electric power cable de-icing device, the wave-shaped through hole walls are provided, friction force increases during motion relative to the cables, so snow on the cables can not only be removed, but also ices on surfaces of the cables can be further removed, the water absorption layers can be used for absorbing molten water to prevent secondary icing, on the other hand, the molten water can be further prevented from scattering onto other equipment, the cleaning effect is better, safety is improved, the accumulated water can be drained through the arc-shaped water collection groove and a drainage channel rapidly, practicality is improved, and the pull ring can be conveniently connected with a rope so as to lead the device to move. The electric power cable de-icing device is reasonable in structure, is convenient to use and is especially suitable for northern regions.

The invention discloses a novel efficient snow expelling process in the technical field of road snow removal. The novel efficient snow expelling process comprises the following steps of S1, crushing and pushing ices and snows on a pavement by using an ice breaking unit; S2, blowing air to the two sides of the pavement through a cold air blowing cylinder in a dislocated manner to blow away ice andsnow residues remaining on the pavement; S3, blowing hot air to the pavement through a hot air blowing cylinder to carry out melting treatment on the ice and snow residues remaining on the pavement; S4, scraping residual ice water, melted by the hot air, on the pavement through a snow scraper; and S5, transmitting heat to the pavement from the bottom of a drying box so that the melted snow water on the pavement is dried. The advancing process of a snow expelling vehicle on the pavement, snow crushing and pushing, dislocated snow blowing, hot air snow melting, snow scraping and water removing and snow water drying works are carried out on the pavement in sequence so as to effectively clean up accumulated snow on the pavement and guarantee the dryness of the pavement; and therefore, the pavement is prevented from icing, the pavement is very well protected while vehicle slipping is prevented, and good practicability is realized.

The invention discloses a road cleaning diesel snow shovel which utilizes freezing point lowering principle. The road cleaning diesel snow shovel includes: a deicing bucket, a body, an exhaust pipe, aconnecting outer pipe, an upper arm, a hydraulic lever, a drive wheel, the deicing bucket is horizontally arranged at the front end of the body, the upper arm is arranged on the left and right sidesof the body through a support seat and the two sides are parallel to each other, a low part of that exhaust pipe is fixed on the top of the engine exhaust branch pipe of the airframe by welding, a rear end of that hydraulic lever is bolted to the side of the support seat. Through the improvement, the waste water of the snowmobile and the snow water are used. When the bucket is dumped by the meltedsnow water, it is not sticky by the ice. At the same time, it is sprayed with the snow melting agent to the road surface after snow removal to lower the freezing point and avoid the secondary knot ofthe road surface. Ice can be very thorough for road cleaning..

The invention discloses a special deicing vehicle for rails. The deicing vehicle comprises a vehicle body, control rooms are arranged at both ends of the vehicle body, and a power distribution room, ahigh-pressure air pump room and an electromagnetic heating device room are arranged in the vehicle body; two deicing mechanisms are opposite to the rails and are parallelly fixed to the lower portionof a chassis of the vehicle body and provided with lifting devices, and each deicing mechanism includes a first deicing shovel, a first heating disc, a high-pressure blowing nozzle, a second heatingdisc and a second deicing shovel; the first heating discs and the second heating discs are connected to the electromagnetic heating device room, and the high-pressure blowing nozzles are connected toa high-pressure air pump of the high-pressure air pump room. According to the special deicing vehicle for the rails, by adopting the structure above, deicing is conducted more thoroughly; moreover, the rails are automatically heated according to an electromagnetic induction principle, so that ice and snow are melt more effectively, then ice water is removed through the high-pressure blowing nozzles to prevent secondary icing, the ice and water are removed thoroughly through secondary heating, and the deicing efficiency is high.

The invention discloses a non-contact airplane deicing anti-freezing drying device for ground. The device comprises a master control system, a heat energy environment system, a deicing and anti-freezing system and a circulating system. The circulating system is laid on the ground or a working surface; a bottom of an airplane is propped against the circulating system in a releasable manner; the deicing and anti-freezing system is movably connected to the circulating system; and a heating surface of the heat energy environment system faces an airplane body, the heat energy environment system isdetachably fixed at the top of the circulating system, the heat energy environment system and the circulating system are electrically connected with the deicing and anti-freezing system, and the deicing and anti-freezing system is electrically connected with the master control system. The non-contact airplane deicing anti-freezing drying device for the ground is simple in structure, convenient tooperate, high in universality, capable of achieving full-automatic deicing anti-freezing on an airplane, capable of preventing the airplane from secondary freezing after deicing, capable of rapidly recycling a waste liquid and good in safety.

The invention provides a high-voltage electric wire deicing device capable of realizing automatic deicing. The device comprises a case, a deicing drilling bit, a moving device, a heat deicing device,an anti-freezing liquid coating device and a base, wherein a first electric heating wire is arranged in the wall of the case; the inside of the case is hollow; the moving device, the heat deicing device and the anti-freezing liquid coating device are wrapped; a high-voltage electric wire sequentially passes through the deicing drill bit, the moving device, the heat deicing device and the anti-freezing liquid coating device; the base is arranged on a high-voltage electric wire tower frame; a main control system is arranged inside each of the case and the base. Through the moving device, the mechanism moves on the high-voltage electric wire; through the matching of the deicing drill bit, the heat deicing device and the anti-freezing liquid coating device, accumulated ice on the high-voltageelectric wire can be effectively removed; the excessively fast secondary icing can be prevented. The mechanism is simple and ingenious; the long-time and efficient, safe and stable work on the electric wire can be realized; meanwhile, the cost is low; the problem of high-voltage electric wire ice accumulation in south regions in winter can be solved.

The invention provides an eight-arm snow sweeping robot for high-voltage line cleaning, and relates to the technical field of high-voltage line maintenance equipment. The eight-arm snow sweeping robotfor high-voltage line cleaning comprises a first box body, wherein uniformly distributed stirring blades are fixedly connected to the outer diameters of rotating shafts in a material collecting funnel, ice breakers are fixedly connected to the top ends of the rotating shafts, a first walking mechanism is fixedly connected to the front end of the top of the first box body, a second walking mechanism is fixedly connected to the middle of the top of the first box body, a third walking mechanism is fixedly connected to the rear end of the top of the first box body, and brushes are fixedly connected to the inner sides of elastic rods. Snow and ice can be automatically removed through the ice breakers and the brushes, danger is reduced, ice is further smashed into slag through the stirring blades, accidents caused by falling of the smashed ice can be prevented, the robot can cross obstacles through the first walking mechanism, the second walking mechanism and the third walking mechanism, and the robot is more convenient to use and worthy of being widely popularized.

The present invention relates to vehicle, and is especially accumulated road snow clearing truck and its design method. The accumulated road snow clearing truck includes one vehicle body and one power mechanism, and features the liquid tank fixed on the vehicle body, the spraying mechanism with nozzles towards ground and the pipeline connected between the liquid tank and the spraying mechanism. The liquid tank is connected to a heater and the pipeline has control mechanism and control valve. The accumulated road snow clearing truck has high snow thawing effect.

The invention relates to the field of electric power deicing, in particular to a convenient-to-deice auxiliary overhauling device for electric power overhauling in winter, which comprises a main body,a placing mechanism, a spraying mechanism, an adjusting mechanism, a moving mechanism and a hammering mechanism. Through the arrangement of the placement mechanism, an iced cable can be convenientlyplaced in the device; a cable with the diameter smaller than the width of the main body can be placed; through the arrangement of the hammering mechanism, the surface layer of the cable can be conveniently and automatically hammered; therefore, the ice layer can be conveniently crushed; deicing effect is improved, and the burden of a cable is alleviated; through the arrangement of the adjusting mechanism, the hammering force of the hammering mechanism can be freely adjusted according to the thickness of the ice layer of the cable; the use flexibility of the device is improved, the moving mechanism is arranged to facilitate automatic moving deicing of the main body, manpower and material resource investment required by traditional deicing is prevented, the deicing efficiency is improved, the spraying mechanism is arranged to facilitate anti-freezing protection of the cable with the deicing layer removed, secondary icing of the cable is prevented, and the use effect of a deicing device is perfected.

The invention discloses a solid ice-melting composition for deicing substation equipment and a preparation method thereof, which is characterized in that, in terms of mass percentage, the solid ice-melting composition is mainly composed of the following components: 60-63 % sodium chloride, 24‑27% soda ash and 10‑13% trichloroacetic acid. The solid ice-melting composition for substation equipment deicing and the preparation method thereof of the present invention achieve the purpose of rapidly melting ice and snow by increasing the initial ice-melting rate of the ice-melting composition. At a temperature of 5°C, its The initial ice-melting rate can reach 44.1mL / min, which reduces the corrosion of the substation equipment to a certain extent, prevents secondary icing of the substation equipment, and solves the shortcomings of the existing technology.

The invention discloses a scanning type circularly-powered electric heating system for melting ice and snow on a bridge surface. The electric heating system for melting ice and snow on the bridge surface is partitioned into independently-controllable electric heating units which are connected in parallel according to the power load capacity, wherein the electric heating units are distributed in parallel along the running direction of a vehicle at set intervals in the form of a longitudinal array; each electric heating unit in the longitudinal array is controlled to work circularly in different groups according to a set time sequence in a scanning form. By adopting the electric heating system, a power supply system can be used for supplying power, and the total power of the electric heating system is ensured; the heating uniformity is improved, and molten water is prevented from re-icing; the reliability of an ice and snow melting system is improved, and convenience is brought to maintenance; the electric heating system can be widely applied to various special road segments, including airport runways, tunnel inlet transition areas and the like, and a method for melting snow and ice by electrically melting can be well applied.