72results about How to "Avoid refreezing" patented technology

The invention provides a polymer-thickened non-Newton aircraft deicing / anti-icing liquid, comprising the following components based on weight percentages: 45%-65% of freezing point depressant, 0.05%-5% of thickening agent, 0.05%-5% of neutralizing agent, 0.05%-5% of viscosity control agent, 0.05%-5% of corrosion inhibitor, 0.05%-5% of surfactant, and the balance liquid. The preparation method of the invention comprises: sequentially adding the freezing point depressant, the thickening agent, the neutralizing agent, the viscosity control agent, the corrosion inhibitor and the surfactant to solvent, respectively stirring and dissolving to obtain the product. The polymer-thickened non-Newton aircraft deicing / anti-icing liquid has the characteristics of high apparent viscosity, slowly reduced viscosity after shearing treatment, excellent anti-icing property and good dynamic performance. After anti-icing treatment via the product, the outer surface of an aircraft can not be refrozen and frosted within a very long time range, thus effectively avoiding a refreezing phenomenon of the aircraft during the delay period in an airport, and guaranteeing normal flight of the aircraft under an ice and snow weather.

An air conditioning apparatus includes a defrosting flow channel mechanism. The air conditioning apparatus performs an air-warming defrost operation in which refrigerant sent from an indoor heat exchanger to an outdoor heat exchanger is evaporated while defrosting an arbitrarily selected heat exchange path using the defrosting flow channel mechanism. In the defrost operation, the refrigerant sent to the outdoor heat exchanger from the indoor heat exchanger is not channeled into the refrigerant flow diverter but is passed through the arbitrarily selected heat exchange path from the gas-side end to the liquid-side end of the arbitrarily selected heat exchange path, and the refrigerant passed through the arbitrarily selected heat exchange path flows through the refrigerant flow diverter to be passed through other heat exchange paths other than the arbitrarily selected heat exchange path from the liquid-side end to the gas-side end of the other heat exchange paths.

The invention discloses a deicing robot based on an automatic tensioning U-shaped heating mechanism, relates to the technical field of protection equipment for overhead power transmission cables, and solves the problem of deicing the existing deicing mechanism with strong binding force and thick ice layer. The problem of limited ice capacity, including the casing, on which the driving wheel and the driven wheel are installed, the driving motor and the worm gear mechanism are arranged inside the casing, the worm gear is arranged above the worm and meshed with the worm, and the worm wheel and the driving wheel pass through the transmission belt A Transmission connection, the front end of the worm sticks out of the casing and is connected with a rotating body that rotates with the rotation of the worm. The rotating body is equipped with a mechanical deicing mechanism, including a thermal deicing mechanism. The thermal deicing mechanism includes a stepping motor, a transmission belt B, The U-shaped heating plate and the shells symmetrically arranged on both sides of the transmission line can effectively remove the icing with strong binding force and thick ice layer, such as rain rime and mixed rime, and avoid thermal De-icing mechanisms are prone to damage to the interior of power lines due to sustained heat.

The invention relates to comprehensive road surface deicing equipment. Comprehensive road surface deicing equipment, including a mechanical deicing device, a deicing margin control device for controlling the amount of ice removed by the mechanical deicing device to leave a residual ice layer on the road surface, and a device for dissolving the ice layer by heat energy The thermal deicing device that melts the remaining ice layer defines that the comprehensive road surface deicing equipment moves forward when in use, and the thermal deicing device is arranged behind the mechanical deicing device. The deicing margin control device can be used to control the amount of ice removed by the mechanical deicing device, so as to leave a residual ice layer with a set thickness on the road surface, so as to prevent the mechanical deicing device from directly contacting the road surface and causing damage to the road surface or the device Self-damage; and the remaining ice layer can be melted by the thermal deicing device arranged at the rear of the mechanical deicing device, so as to achieve the purpose of no ice layer remaining. The contradiction between high deicing efficiency and energy saving.

A method and an apparatus for machining an object using titled laser scanning are provided to scribe an object efficiently by scanning a laser beam to the object at an angle by moving the laser beam using a scanner or polygon mirror. CONSTITUTION: A method for machining an object using titled laser scanning comprises the steps of: scanning a laser beam and irradiating an object with the laser beam at an angle by moving the object so that the corresponding surface of the object is reformed.

The invention discloses a railway deicing and snow shoveling integrated cleaning machine. The cleaning machine comprises a machine body, a snow shoveling mechanism, a control system, a power mechanismand at least two sets of deicing mechanisms; the snow shoveling mechanism and the deicing mechanisms are arranged at the front end of the machine body from the middle to two ends; the control systemand the power mechanism are arranged in the machine body from top to bottom; the snow shoveling mechanism is used for cleaning accumulated snow between two steel rails; the two sets of deicing mechanisms are used for cleaning ice on the steel rails; the deicing mechanisms are used for evaporating residual water on the steel rails by utilizing high temperature; the power mechanism provides walkingpower for the machine body and heats the snow by magnetic heating; and the control system is electrically connected with the power mechanism. The railway deicing and snow shoveling integrated cleaningmachine is scientific, reasonable and safe and convenient to use; the control system and the power mechanism are matched with each other, accordingly, the snow removing machine can automatically run,and therefore, manual operation can be reduced, and labor cost can be saved.

The invention relates to a power transmission line deicing device, which comprises a shell, a wire inlet channel penetrating through the shell, and ice breakers arranged in the shell and perpendicularto the wire inlet channel and distributed on the upper side and the lower side of the wire inlet channel. Each ice breaker comprises a rotary disc rotationally arranged on the shell, a connecting rod, a first guide rail, a second guide rail communicated with the first guide rail, a push block arranged in the first guide rail and matched with the first guide rail, and an ice knife arranged in thesecond guide rail and matched with the second guide rail, wherein one end of the connecting rod is rotationally connected to a disc body of the rotary disc, the other end of the connecting rod is hinged to the push block, the other end of the push block is connected with the ice knife, and the rotary disc is driven by a first motor. The power transmission line deicing device can effectively deicea power transmission line.

The invention discloses a pavement drying device for road engineering construction. The invention relates to the technical field of road construction. The pavement drying device for road engineering construction comprises a construction box; a square groove is formed in the lower end of the construction box; the square groove is in a rectangular groove shape; a rotating shaft is arranged on a rearend bearing inner shaft in the holes in the front and rear side wall surfaces in the square groove; the rotating shaft is circular; a snow shoveling plate is arranged on the outer side wall surface of the rotating shaft; the snow shoveling plate is in a rectangular plate shape; a shovel head is arranged at the left end of the snow shoveling plate. According to the invention, when the constructionbox runs through the shovel head and the snow shoveling plate, accumulated snow on the ground is shoveled up; a motor at the upper end of the construction box is started; at the moment, the motor enables a screw rod to rotate through a gear on the outer side wall face of the second rotating shaft and a gear on the outer side wall face of the screw rod; at the moment, the lower end of the screw rod conveys accumulated snow to the upper end of the interior of the conveying box through the conveying box after the shovel head shovels the accumulated snow, and therefore the screw rod achieves theautomatic snow removing effect.

The invention discloses an energy-saving air source heat pump unit which comprises a heat pump body, a rack, coil pipe supports and coil pipes. The heat pump body is installed on the rack, two transverse shafts are distributed symmetrically about the center line of a transverse plate, a sliding ring is slidably connected to a sliding rod, and the sliding rod and a reciprocating lead screw are installed on the front side and the rear side of the rack correspondingly. A lantern ring is in threaded connection with the reciprocating lead screw, the reciprocating lead screw is rotationally installed on the side of the rack, a motor shaft connected with a motor is installed on the rack, the motor shaft is connected with the reciprocating lead screw, and cleaning cotton is installed on the transverse shafts. According to the energy-saving air source heat pump unit, synchronous defrosting operation can be conducted on the coil pipes in two heat pumps in the unit, ascending-descending rolling defrosting of the cleaning cotton and hot air conveying for blowing drying are achieved at the same time through the same power, the possibility that a frost layer is frozen again after being melted iscompletely avoided, the overall heating effect of the heat pumps is improved, and the unit is more energy-saving and environment-friendly.

The invention discloses an idling system. The idling system comprises a fuel reaction stack, a fuel supply pipeline, an oxidant supply pipeline and a controller. The fuel supply pipeline is configuredto transmit fuel to the anode of the fuel reaction stack; the oxidant supply pipeline is configured to transmit an oxidizing agent to the cathode of the fuel reaction stack; the oxidant supply pipeline comprises an air compressor and an injector, the injector is configured to inject the oxidizing agent into the cathode of the fuel reaction stack; and the cathode of the fuel reaction stack is provided with a circulating pipeline, and the circulating pipeline can allow the gases discharged from the cathode to enter the inlet side of the cathode again. The present invention further provides a control method of an idling system. The output power of the fuel cell can be reduced through reduction of the concentration of the oxidizing agent, and the utilization efficiency of the fuel and the vehicle safety can be improved so as to improve the whole performances of the vehicle.

A safe deicing device for roads and bridges Includes a brine tank, a Hydraulic cylinder, a first electric heating wire, a water Pump and motors, A material inlet is arrange on that brine tank, a transverse plate is fixedly connected to the front side wall of the brine tank, the hydraulic cylinder is fixedly connected to the bottom of the free end of the cross plate, A sleeve is connected to the end of the piston rod of the hydraulic cylinder, A first electric heating wire is arranged in the sleeve, The water pump is fixedly arranged on the front side wall of the brine tank, the water inlet pipe of the water pump extends into the brine tank through the brine tank, the water outlet pipe of the water pump is provided with a spray head facing the ground, the motor is fixedly arranged on the outer wall of the brine tank, the output shaft of the motor extends into the brine tank through the brine tank, and the lower end of the output shaft is provided with a stirring part. The safe deicing device for roads and bridges solves the technical problems that the existing deicing device is destructive to the pavement and the deicing speed is slow; the deicing effect of the safe deicing devicefor roads and bridges is high, and the operation is simple.

The invention relates to the technical field of power transmission line deicing, and discloses an intelligent deicing device for a power transmission and transformation line, which comprises a frame and a water tank, and the water tank is arranged below the frame, and a through hole is transversely formed in the upper part of the frame and penetrates through the left side and the right side of theframe; a deicing device and an air drying device are arranged on the right side and the left side of the frame; the deicing device comprises a second spray head, a second ring pipe, a rubber rod, a metal ring, a guide pipe, a right ring cylinder, a vibration motor and an electric heating pipe; and the right ring cylinder is fixed around the surface of the frame on the right side of the through opening, and the interior of the right ring cylinder communicates with the interior of the through opening. The deicing device is arranged on the right side of the frame, most ice blocks are removed through vibration of the metal ring, then the remaining ice blocks are melted through water vapor, then hot air is blown to the surface of the wire through the air drying device arranged on the left sideof the frame, water is dried through hot air, and re-icing is avoided; and the deicing efficiency is high, and ice blocks are thoroughly removed.

The invention discloses a snow shovel for a snow clearer which comprises a push plate, the front side of the push plate is provided with a snow shovel plate, two mounting rods are mounted on the rearside wall of the push plate, the rear side of the push plate is provided with a device groove, the inner wall of the device groove is rotatably connected with a rotating lever, the outer side wall ofthe rotating lever is fixedly connected with a roller. A plurality of device cavities are arranged on both sides of the device groove, the two ends of the rotating rod penetrate a plurality of devicechambers. A cam is fixedly connected to the outer side wall of the rotating lever located in the device cavity, a first abutment lever and a second abutment lever are slidably connected to the inner bottom and the inner top of the device cavity respectively, pulleys are installed at the contact ends of the first abutment lever and the second abutment lever and the cam, and the upper and lower sides of the device cavity are respectively provided with a cavity and a placement groove. The invention has reasonable structure, can crush the ice layer of the pavement, and reduce the integrity of theice block, thereby avoiding the slip phenomenon, sprinkling salt on the pavement at the same time, and effectively preventing the pavement from freezing again.

The invention discloses a deicing robot. The deicing robot comprises a control module, a moving module, a thermal deicing module arranged on the moving module and a control module, and the moving module and the thermal deicing module are connected with the control module. The thermal deicing module comprises heating units and a first supporting piece, one end of the first supporting piece is connected with one heating unit, the other end of the first supporting piece is connected with the moving module, a heating space is defined by at least two heating units, and the icing power transmissionline is located in the heating space and does not make contact with the heating units; the control module comprises a power supply unit, a motor unit, a sensor unit and a control unit; and the controlmodule is used for determining icing thickness information according to the data collected by the sensor unit, driving the first supporting piece to move the heating unit according to the icing thickness information so as to adjust the size of the heating space, and controlling the moving speed and the moving direction of the moving module. The deicing robot provided by the invention can realizedeicing of an ice layer tightly combined with the power transmission line.

A power transmission line automatic control detection protection cleaning system disclosed by the present invention comprises a mounting plate, a transverse plate is fixedly mounted at the lower end of the left side of the mounting plate, a square groove is formed in the top of the transverse plate, pressure springs are fixedly mounted in the square groove at equal intervals, and pressure sensors are fixedly mounted at the tops of the pressure springs. Three groups of detection rings are fixedly mounted at the top of the pressure sensor at equal intervals, a cable main body is slidably connected to the inner sides of the three groups of detection rings, and a cleaning mechanism is slidably connected to the left side of the cable main body; the system has enhanced cleaning capability, can perform intelligent detection, can clean the surface of a cable in rainy days, can well treat an ice layer on the surface when the cable is frozen, can effectively prolong the service life of a power transmission line, does not need an external circuit in the whole operation process, is relatively high in environmental protection property, can automatically store power, is self-sufficient, and is high in practicability, wide in application prospect and worthy of application and popularization.

In a method for operating a conveying and proportioning system, the system for conveying a liquid medium from a tank (3) and proportioning the medium via a pressure line (4) by means of at least one proportioning unit (7) is provided. The system comprises at least one feed pump (10) and at least one device for returning the medium, in particular a return pump (20) and / or a distribution valve for a return line. Furthermore, at least one heating device for heating the system is provided. The method is distinguished by the fact that after and / or during a heating of the system by at least one heating device, especially after thawing the medium in the conveying and proportioning system, a purge within the conveying and proportioning system is performed, by the means of conveying the medium from the tank (3) through activation of the feed pump (10) when the proportioning unit (7) is closed and activating the device (20) for returning the medium.

The invention relates to the technical field of railway cleaning tools, in particular to a deicing mechanism and a rail deicing vehicle for rail transit. The rail deicing vehicle comprises a vehicle frame, and a power mechanism is arranged on the vehicle frame and used for driving the vehicle frame to travel on a rail; wheels which are installed below the vehicle frame through wheel shafts and shaft sleeves, the deicing mechanisms are arranged on the two sides of the wheels at the front end of the vehicle frame respectively, and the deicing mechanisms can remove ice covering the rail when thewheels roll along the rail; and a salt spreading mechanism which is arranged on the upper end surface of the frame, and the salt spreading mechanism can intermittently spread salt to the rail and cangrind caked industrial salt, so that the deicing efficiency is improved, and the utilization rate of the industrial salt is increased.

The invention discloses a grease separating device used for extracting grease from dead animals. The device comprises a heating tank and a separating tank which are arranged in series, a first heateris arranged at the bottom of the heating tank, a horizontally-installed stirring shaft is arranged in the heating tank, stirring blades are fixed on the stirring shaft, each stirring blade is providedwith through grooves, and the interior of each through groove is provided with a filter net; and the top of the separating tank is connected with an oil absorbing pipe through an air cylinder. The device provided by the invention can improve deficiencies in the prior art, and improves purity and quality of a finished product of the grease.

The invention discloses an overwater floating type photovoltaic power generation device capable of preventing water organisms from winding and icing in the technical field of photovoltaics, and the device comprises a photovoltaic module; a water diversion assembly which comprises a water diversion cylinder fixedly arranged at the bottom of the bearing bracket; a rotating wheel frame which is movably inserted into the side wall of the base table; according to the device, the water area below the photovoltaic module is enabled to flow through a regular drainage mode, the problem that the photovoltaic module is wound due to random growth and is difficult to clean is avoided, the iced water surface is broken, the water surface around the photovoltaic module is kept in a flowing state, and theproblem of icing again is avoided; the reversing assembly makes contact with the gear shaft on the rotating rod, then the positions of the water pressing plate and the ice breaking plate are driven tobe exchanged, water waves flowing towards the photovoltaic assembly can be counteracted, it is avoided that the peripheral water waves generate acting force on the photovoltaic assembly, the stability of the photovoltaic assembly is reduced, and the problem that the photovoltaic assembly floats on the water surface is solved through synchronous fusion. And the service life of the photovoltaic module is prolonged.

The invention relates to the technical field of railway cleaning tools, and particularly relates to a rail deicing vehicle for rail transit. The vehicle comprises a vehicle frame, a power mechanism isarranged on the vehicle frame, and the power mechanism is used for driving the vehicle frame to run on a rail; wheels are included and are installed below the vehicle frame through wheel shafts and shaft sleeves, deicing mechanisms are included and are arranged on the two sides of the wheels at the front end of the vehicle frame respectively, and the deicing mechanisms can remove ice covering therail when the wheels roll along the rail; and a salt spreading mechanism is included and is arranged on the upper end surface of the vehicle frame, and the salt spreading mechanism can intermittentlyspread salt to the rail and can grind caked industrial salt so that the deicing efficiency is improved, and the utilization rate of the industrial salt is increased.

The invention discloses an attapulgite snow-melting agent for a pavement, and a preparation method of the attapulgite snow-melting agent. The attapulgite snow-melting agent is prepared from the following components: modified attapulgite clay, granular activated attapulgite clay, activated carbon, microporous calcium carbonate, sodium chloride, calcium chloride, limestone, plant ash, polyacrylamide, potassium acetate and sodium gluconate. The preparation method comprises the steps: firstly, preparing the modified attapulgite clay and the granular activated attapulgite clay; respectively weighing the modified attapulgite clay, the granular activated attapulgite clay, the activated carbon, the microporous calcium carbonate, the calcium chloride, the potassium acetate, the sodium gluconate and a right amount of water, and carrying out ultrasonic dispersion; then, adding the plant ash, mixing and drying; mixing the dried mixture with the limestone and the polyacrylamide, and fully and evenly stirring. The attapulgite snow-melting agent is applied to roads with snow and ice, not only has better deicing and snow-melting effects, but also can effectively remove ice water and oil stain on the road surfaces, and improves the road safety, thus having better use value.

The invention discloses road surface deicing equipment capable of reducing a freezing point of snow water for roads and bridges. The road surface deicing equipment comprises a movable bottom plate, aservo motor, a material conveying auger, a hydraulic cylinder and a driving motor, the servo motor is fixedly mounted at the lower end of the left side of the movable bottom plate, and the right end of a discharging port is fixedly mounted in a collecting barrel; an electric heater is fixedly connected to the outer side of the collecting barrel, stirring blades are installed in the saline water tank, a salt storage tank is fixedly installed on the right side of the saline water tank, a drainage pipe is installed at the lower end of the transfer tank, a one-way flow valve is fixedly installed on the drainage pipe, and a piston plate is installed in the transfer tank; and a toothed plate is fixedly mounted at the lower end of the piston plate. According to the road surface deicing equipmentcapable of reducing the freezing point of the snow water for the roads and the bridges, the phenomenon that ice water is frozen again after deicing operation can be effectively prevented, meanwhile, fine crushed ice and water are inconvenient to collect during deicing, and the overall deicing effect can be improved.

The invention relates to the technical field of photoelectric cable deicing, and discloses photoelectric cable winter deicing equipment. The equipment comprises an equipment body, a mounting block isarranged in the equipment body, a connecting block is movably connected to the outer side of the mounting block, a mounting circular ring is movably connected to the end, away from the mounting block,of the connecting block, and a driving shaft center is arranged in the mounting circular ring. A salt storage circular ring is movably connected to the outer side of the driving shaft center, a saltoutlet pipeline is movably connected to the outer side of the salt storage circular ring, and a shaft rod is movably connected to the outer side of the driving shaft center. According to the deicing equipment for the photoelectric cable in winter, the salt storage circular ring is synchronously driven to start to rotate through rotation of the driving axis, and industrial salt in the salt storagecircular ring is sprayed out of the salt outlet pipeline and scattered to the surface of the photoelectric cable main body based on the reason of centrifugal force; therefore, the deicing knife can deice the photoelectric cable main body more easily and quickly, and after the photoelectric cable main body is deiced, scattered industrial salt can also prevent the photoelectric cable main body frombeing frozen again.

The invention discloses anti-freezing and deicing equipment for a front of a hydraulic structure. The equipment comprises two sets of submersible pumps and a control system, wherein the output ends ofthe submersible pumps communicate with telescopic elastic water pipes, a water conveying pipe communicates between the two telescopic elastic water pipes through a flange joint, water spraying holesare formed in the top of the water conveying pipe; a first suspension floating body is arranged above the water conveying pipe, a first steel wire rope is fixedly connected to the bottom of the firstsuspension floating body, and a spring vibrator is fixedly connected between the first steel wire rope and the water conveying pipe. The invention relates to the technical field of hydraulic structures. According to the anti-freezing and deicing equipment for the front of the hydraulic structure, by arranging the two submersible pumps and utilizing the cooperation of the water conveying pipe withthe water spraying holes as well as the temperature difference between lower-layer water in the water storage area and an ice layer, the submersible pumps pump deep-layer water in the water storage area to pressurize and convey water to the water conveying pipe, and the pressurized water is sprayed to an ice surface through the small holes to melt the ice layer and continuously form turbulence, sothat water surface is prevented from icing again, and the purpose of protecting the hydraulic structure is achieved.

The invention discloses an air conditioner humidifying anti-freezing system. A humidifying water tank, a heat exchanging device, installing grooves, a fixed support, a driving motor, a transmission shaft, fan blades, a fixed frame, a heating pipe, a through hole, a fixed bolt, a threaded hole and a clamping groove are included; the heat exchanging device is arranged on the outer side of the humidifying water tank; and the installing grooves are correspondingly formed in the two sides of the top end plate surface in the humidifying water tank. The air conditioner humidifying anti-freezing system is scientific and reasonable in structure and safe and convenient to use; at the instant when an air conditioner air supply system is started up in winter or under the situation that the whole workshop suspends production, freeing of circulating water of a humidifying segment is usually caused during reuse, at the moment, the heating pipe and the driving motor are started, the driving motor drives the fan blades to rotate through the transmission shaft, the fan blades are used for blowing air heated by the heating pipe into the humidifying water tank, and therefore the unfreezing speed of the circulating water of a humidifying segment is increased; and the heating pipe is located in the fixed frame, and the fixed frame can be disassembled through a clamping block and the clamping groove,so that the heating pipe can be conveniently maintained.

The invention discloses an anti-freezing device for well water in a high cold area by using high-pressure gas interference. The anti-freezing device comprises a water well body, a water suction pump,a water suction pipe, a gas pipe and a high-pressure gas pump, wherein the water suction pump is arranged in the water well body, the water suction pipe is arranged at the upper end of the water suction pump, the gas pipe is inserted into the water well body, a high-pressure gas storage tank is connected to one end of the gas pipe, the high-pressure gas storage tank is connected with the high-pressure gas pump, the high-pressure gas pump is connected with a diesel generator, and a pipeline heater is installed on the gas pipe. According to the anti-freezing device, high-pressure gas is injectedinto the water well body by arranging the high-pressure gas pump, high-pressure bubbles are formed in water body, and are heated by the pipeline heater, so that the high-temperature and high-pressurebubbles are seethed in the water body, and the problem of water freezing of the water body in the water well body is effectively reduced.

The invention discloses a cable-stayed bridge steel strand inhaul cable ice removal and ice prevention system and method and relates to the field of bridge operation safety protection. The system comprises a heating plate and a sensor set. The heating plate is wrapped on a cable guide tube at the bottom of an inhaul cable. The sensor set comprises a temperature sensor, a temperature sensor and anicing sensor which are arranged on the surface layer of the top end of the inhaul cable. The bottom of the cable guide tube at the bottom of the inhaul cable is provided with a vent hole. The upper portion of the cable guide tube at the top of the inhaul cable is provided with a vent hole. The vent hole in the cable guide tube at the bottom of the inhaul cable and the vent hole in the cable guidetube at the top of the inhaul cable both communicate with the interior of the inhaul cable. Through the cable-stayed bridge steel strand inhaul cable ice removal and ice prevention system and method,the ice removal and ice prevention effect on a cable-stayed bridge can be effectively achieved.