49results about How to "No icing" patented technology

The invention discloses a super-hydrophobic ice-over resistant coating with a thermomagnetic property and a preparation method of the super-hydrophobic ice-over resistant coating. The super-hydrophobic ice-over resistant coating comprises the following components by mass percent: 20-68% of fluorine-containing acrylic acid epoxy resin, 19-69% of an organic solvent, and 10-50% of inorganic particles which are magnetic particles or mixture of magnetic particles and nonmagnetic particles, wherein the fluorine-containing acrylic acid epoxy resin is obtained through reaction of two components; one component is obtained through free radical polymerization of a fluorine-containing acrylate monomer, a hydrocarbon chain acrylate monomer and an expoxy group-containing acrylic acid ester monomer; the other component belongs to polyamines or acid anhydrides. The coating provided by the invention is environmentally friendly, and excellent in weather resistance and chemical resistance, has excellent adhesion with a base material, can be heated in the external alternating magnetic field or light condition, and can be used for preventing and controlling icing on the surfaces of telecommunication lines and the like; the preparation method is simple in process and convenient to operate.

Disclosed is a solar energy water heater of vacuum glass cover heat pipe plane type, comprising tank consisted of thermal insulating material and outer gimbal, vacuum plane glass above the tank, absorber plate consisted of heating pipe and fin, condensing zone of the heat pipe and recycling water tank are connected, the water tank and water storage are connected or the condensing zone of heat pipe is directly connected to water storage, and absorber plate is under the vacuum plane glass. The invention has no problems of icing, scale formation and atmospheric corrosion, fairly good red flared radiation can be emitting from heat collector inside because of high level of transparency of the vacuum plane glass to sun radiation but opaque to red flared radiation, decreasing radiation heat loss to absorber plate. Besides, heat pie has fast start-up, high sensitiveness, wide work range, fast heat transfer, only oneway heat exchange between heat collecting pie, and when the sun radiation is fairly low, heat elimination of heating working substance to environment can be reduced.

The invention relates to the field of preparation of super-hydrophobic or super-amphiphobic coatings, in particular relates to a preparation method of a sustainable anti-icing super-amphiphobic coating. The method comprises the following steps: 1, cleaning a substrate surface and carrying out sand-blasting roughening treatment; 2, blending epoxy resins, epoxy resin curing agents and a first solvent to obtain an epoxy resin solution; 3, dispersing submicron particles and nanoparticles into a second solvent, and then adding fluoroalkyl silane to obtain particle composite suspension liquid; 4, spraying substrate surface subjected to the treatment in step 1 with the epoxy resin solution obtained in step 2, and carrying out semi-curing on the epoxy resin adhesive; 5, spraying the substrate surface subjected to the treatment in step 4 with the particle composite suspension liquid obtained in step 3, and carrying out complete curing; 6, obtaining the sustainable anti-icing super-amphiphobic coating. The method has the advantages that the super-amphiphobic coating prepared on all substrate surfaces has good durability and fastness, and has sustainable anti-icing performance.

The invention relates to the field of ice breaking equipment, in particular to an air pressure drive type ice ball machining device. The air pressure drive type ice ball machining device comprises anupper extrusion die, a lower extrusion die, a pneumatic part and a die frame. The upper extrusion die and the lower extrusion die are supported by the die frame. The pneumatic part comprises a drive air cylinder, an air pressure meter and an air brake switch. The die frame comprises a top plate, a bottom plate, a sliding rail frame and an upper die sliding plate. The sliding rail frame is vertically fixed to the bottom plate, the top plate is mounted at the top end of the sliding rail frame, the upper die sliding plate movably sleeves the sliding rail frame through a sliding sleeve block, thedrive air cylinder is fixed to the top plate in a reversely-buckled manner, a cylinder shaft of the drive air cylinder penetrates through the top plate to be connected to the upper die sliding plate,the upper extrusion die is fastened at the lower end of the upper die sliding plate, the lower extrusion die is fastened on the bottom plate, and at least one semispherical die cavity is formed in each of the upper extrusion die and the lower extrusion die. According to the device, irregular ice blocks can be extruded into spherical ice blocks, the machining rate is high, the device is suitable for volume production in places such as factories, and the machined ice balls are smoother in shape and are not prone to melt.

The invention relates to the technical field of dust suppressants, and provides a composite dust suppressant. According to the composite dust suppressant provided by the invention, the evaporation resistance of the composite dust suppressant is improved by adding the residual oil, the gelatinized starch and the non-cationic water-soluble polymer; through multiple cooperation of the strong electrolyte, the non-cationic water-soluble polymer, the non-cationic surface active agent and the chelating agent, the surface tension of the dust suppressant is reduced to about half of that of water, so that the dust suppressant has excellent wettability to dust; by adding halide, the freezing resistance of the dust suppressant is improved, and the dust suppressant cannot be frozen at the temperature of -26.6 DEG C to-20.3 DEG C. The composite dust suppressant obtained by the invention has a good dust suppression effect, and can effectively reduce the dust concentration in the open pit coal mine.

The invention discloses an anti-icing coating for power transmission cables. The anti-icing coating is prepared from the following raw materials in parts by weight: 30-45 parts of fluorosilicone resin, 20-30 parts of phosphate modified acrylic emulsion, 5-15 parts of tetrafluoroethylene-ethylene copolymer, 5-10 parts of hollow glass beads, 1-3 parts of a dispersing agent, 0.5-1 part of a levelingagent, 0.1-0.5 part of an antifoaming agent, 1-2 parts of a coupling agent and 20-40 parts of a solvent. The anti-icing coating disclosed by the invention is excellent in hydrophobic property and goodin adhesion property with a power transmission cable, so that the anti-icing property of the cable is excellent.

The invention discloses a novel monitoring and deicing iron tower. The novel monitoring and deicing iron tower comprises a tower body which is mainly constituted by four main supporting rods and a plurality of cross arms. Each main supporting rod is mainly formed by a plurality of vertical rods which are connected. The two ends of each cross arm are mounted on the connecting position of every twovertical rods on the two corresponding sides correspondingly. The novel monitoring and deicing iron tower further comprises a stress detecting device, a gravity detecting device and a control chamber.The stress detecting device is mounted on the outer side faces of the connecting positions of the vertical rods and the cross arms. The gravity detecting device is mounted between the vertical rods connected in pairs. Retractable heating devices are mounted on the cross arms and the vertical rods correspondingly, and the control chamber is formed in the tower body. A temperature sensor and an icing sensor are mounted on the tower body, and a solar panel is arranged on the tower body. According to the novel monitoring and deicing iron tower, the structural design is ingenious, by arranging theretractable heating devices, the stress detecting device and the gravity detecting device on the tower body, ice covering the iron tower can be effectively removed, and loosening and inclination situations of the connecting positions of the iron tower are effectively monitored to avoid collapse accidents.

The invention relates to the field of ice crushing equipment, in particular to a gravity extrusion type single-ball ice press. The gravity extrusion type single-ball ice press comprises an upper extrusion die, a lower extrusion die, two lifting frames, a base groove, a pressing hammer and a top cover plate, wherein the top cover plate and the base groove are installed at the upper ends and the lower ends of the lifting frames, the upper extrusion die is fixed to the lower bottom surface of the top cover plate, the lower extrusion die is fixed inside the base groove, the upper extrusion die andthe lower extrusion die are opposite to each other up and down and are fixed between the two lifting frames, and in addition, hemispherical die cavities are formed in the upper extrusion die and thelower extrusion die correspondingly; and the two lifting frames are extendable sleeves, and when the pressing hammer is placed on the top cover plate, the extendable sleeves contract under extrusion of the pressing hammer, and the upper extrusion die of the gravity extrusion type single-ball ice press moves towards the direction of the lower extrusion die. The gravity extrusion type single-ball ice press is simple in structure, and small in size, when ice balls are made, eat-and-make is achieved, the efficiency is high, the made ice balls have the characteristics of being free of bubbles and ice residues, high in ornamental value, edible, slow in melting and the like, ice blocks in irregular shapes can be extruded into spherical ice blocks, and the gravity extrusion type single-ball ice press is suitable for dining halls, and restaurants for use.

The invention discloses a container device with the internal environment capable of being adjusted. The container device comprises a container body, sliding groove sealing devices are arranged on thetwo sides of the container body, an automatic baffle adjusting device is arranged in the container body and provided with an intelligent refrigeration device, the container body is provided with a container door sealing device, a refrigeration space in the container body is adjusted through a baffle for refrigeration of objects, and thus electric energy consumption is reduced. Sliding grooves aresealed through the sliding groove sealing devices, and the situation that the sliding grooves are frozen to hinder moving of the baffle. The container device has the beneficial effects of simple structure and high practicability.

The invention discloses a wind generating set with a heat pump self-deicing system and a working method of the wind generating set, and belongs to the technical field of wind power generation. Blades are connected with a hub, the hub is connected with a low-speed shaft, the low-speed shaft is connected with a gear transmission system, and the gear transmission system is connected with a generator high-speed shaft and a heat pump loop high-speed shaft. The generator high-speed shaft is connected with a generator, and a generator cooling heat exchanger is arranged in the generator. The heat pump loop high-speed shaft is connected with a compressor of the heat pump circulation loop. A heater and a deicing fan are arranged on a blade deicing circulation loop, and the blade deicing circulation loop communicates with a blade deicing device. A blade tip thermodetector is arranged on each blade. The heat pump circulation loop and the blade deicing circulation loop exchange heat in a blade deicing heat exchanger in an alternating mode, and the heat pump circulation loop and an external cooling loop exchange heat in the generator cooling heat exchanger in an alternating mode. According to the wind generating set with the heat pump self-deicing system and the working method of the wind generating set, the overall energy utilization rate of the wind generating set can be increased, the power generation efficiency of the wind generating set is improved, and good application prospects are achieved.

The invention discloses a high-toughness ice-covering-resistant cable, which comprises a core body, a shielding layer and an ice-covering-resistant layer, wherein the ice-covering-resistant layer is prepared from the following raw materials in parts by weight: 40-50 parts of a fluorosilicone resin, 25-35 parts of linear low-density polyethylene, 10-20 parts of maleic anhydride grafted polyethylene, 1-3 parts of stearic acid, 5-10 parts of magnesium hydroxide, 3-8 parts of modified Co3O4, 10-15 parts of hydroxyl silicone oil, 1-2 parts of an anti-aging agent, 0.5-2 parts of a silane coupling agent and 1-3 parts of an accelerant. The ice-covering-resistant cable is excellent in hydrophobic performance, excellent in low temperature resistance and ice-covering-resistant effect, high in strength and good in toughness.

The invention relates to a low-humidity temperature and humidity test box, which comprises a box body, a box door is arranged on the front surface of the box body, a door handle is installed on the box door, a test room is arranged in the front part of the box body, a sample rack is installed in the test room, the box The rear part of the body is equipped with circulating fan blades, steam pipes, heaters, and evaporators in sequence from top to bottom. On the outer top, the steam pipe is connected to the humidifying boiler, the inlet end of the evaporator is connected to the condenser through a pipe, a filter is arranged between the evaporator and the condenser, the inlet end of the condenser is connected to the compressor, and the outlet end of the evaporator is respectively passed through a pipe Connect the evaporating pressure regulating valve and the four solenoid valves, and the evaporating pressure regulating valve and the four solenoid valves are set in parallel; the invention realizes that the evaporator will not freeze during long-term operation, and at the same time achieves the effect of saving energy and reducing consumption, and solves the problem that the air in the box is The problem of the effect of drying on the temperature of the laboratory.

The invention discloses a device for preventing downwash of smoke plume for a chimney. The device is characterized in that through CDF fluid dynamics analogue simulation design, a shrink mouth is formed in the top of the chimney, and air baffles are arranged on the outer wall of the shrink mouth, so that smoke is exhausted from the shrink mouth, and the flow speed at a smoke outlet is increased; and besides, through the arranged air baffles, local vertical air speed on the outer wall of the shrink mouth can be increased; through the combination of the shrink mouth and the air baffles, the height of the smoke plume is increased, so that the phenomenon that smoke plume washes down can be avoided. Through the adoption of the device, the contact of smoke plume and a chimney body can be avoided, so that the hidden danger that the chimney is frozen can be fundamentally eliminated. Compared with a conventional electric heating device, the device can thoroughly solve the problem that the chimney is frozen due to the downwash of smoke plume; besides, the device disclosed by the invention is simple in structure, and modular design and mounting are adopted; and the device is low in cost, safe and reliable, and basically no maintenance cost is needed for later periods. The device disclosed by the invention is applicable to various chimneys of thermal power plants, such as concrete single-tube chimneys, brick sleeve chimneys, steel sleeve chimneys and glass fiber reinforced plastic chimneys.

The invention discloses an evaporator heat exchange system suitable for heating in northern areas, and relates to the technical field of evaporators. The system comprises a supercooling pipe, a throttle valve, a liquid distribution head, flow distribution capillary tubes, a finned sleeve heat exchanger, a gas collection branch pipe, a gathering pipe and a pipeline; the throttle valve and the liquid distribution head are fixedly mounted on the supercooling pipe in sequence through the pipeline; the liquid distribution head is fixedly connected with the two flow distribution capillary tubes; the two flow distribution capillary tubes both communicate with the finned sleeve heat exchanger; the finned sleeve heat exchanger communicates with the gathering pipe through the gas collection branch pipe; and the gathering pipe communicates with the supercooling pipe. According to the system, a gas-liquid phase refrigerant passing through the flow distribution capillary tubes is guided to the evaporator, and the refrigerant subjected to heat exchange is distributed into two parallel paths, so that the on-way resistance of a gaseous refrigerant is reduced, and the overall pressure drop of the path is reduced; a counter-current flow heat exchange mode is formed by the overall distribution trend and the air direction; and the low-temperature heating capacity and the low-temperature heating reliability and stability of a unit are improved.

The invention relates to a low-temperature pipeline with an inner-outer spring framework structure. The low-temperature pipeline comprises an inner framework layer, a wear-resistant layer, a sealing film layer, a heat preservation layer, a circumferential reinforcing layer, a longitudinal reinforcing layer and an outer framework layer which are coaxially arranged from inside to outside and are sequentially wound layer by layer. All layers of the low-temperature pipeline with the inner and outer spring framework structure belong to non-bonding structures, an outer framework layer spiral line and an inner framework layer spiral line are staggered by a half screw pitch to be wound, and the inner framework layer has spiral outward tension, the outer framework layer has spiral inward tension, the inner and outer interact to extrude the wear-resistant layer, the sealing film layer, the heat preservation layer, the circumferential reinforcing layer and the longitudinal reinforcing layer; andsliding of all layers is limited. The low-temperature pipeline is better in sealing and pressure-resisting effect, excellent in ultralow-temperature impact resistance, not prone to radial buckling andlateral buckling and capable of being widely applied to the technical field of low-temperature pipelines.

The invention discloses an anti-icing and anti-fogging multilayer water distribution efficient water cooling tower, and relates to the water cooling tower field. The anti-icing and anti-fogging multilayer water distribution efficient water cooling tower is composed of a water cooling tower frame, a tower pool, a water distribution pipe and an air cylinder, wherein the water cooling tower frame isprovided with a square outer frame body formed by hinging vertical and horizontal lattice bars, a middle dummy plate is erected in the middle of the tower outer frame body, water collection barrier grids slightly inclined are oppositely erected on two sides of the middle dummy plate, more than one layer of water collection deflector is transversely arranged in the square frame body, heat exchangefillers vertically arranged are connected with the lower end of each water collection deflector, the water distribution pipe is erected on the outer side of the tower pool and reaches the top layer ofthe water cooling tower, a side branch water pipe is arranged on a part, located above each layer of the water collection deflector, of the water distribution pipe, cold water spray heads are arranged on end heads of the side branch water pipes and distributed in the direction of the water collection deflectors, the tower pool is located at the bottom of the water cooling tower frame, and the aircylinder is arranged at the top of the water cooling tower frame. According to the anti-icing and anti-fogging multilayer water distribution efficient water cooling tower, water streams sprayed by spray heads make full contact with air so as to be fully cooled, wind resistance in a water sprinkling area is low, the superficial area of the water and the air is large, water consumption is low, andtherefore cooling efficiency is high.

The invention discloses an anti-icing outer sheath for a cable and a preparation method thereof. The anti-icing outer sheath for the cable is prepared from the following raw materials in parts by weight: 30-40 parts of fluorosilicone resin, 20-30 parts of a vinyl chloride-acrylate copolymer, 5-12 parts of butadiene rubber, 5-10 parts of polyimide fibers, 2-4 parts of stearic acid, 5-10 parts of magnesium hydroxide, 5-10 parts of modified Co3O4, 2-5 parts of liquid coumarone, 1-2 parts of an anti-aging agent, 0.5-2 parts of a silane coupling agent and 1-3 parts of an accelerant. The anti-icingouter sheath for the cable is excellent in hydrophobic performance, high in strength, good in toughness and excellent in anti-icing effect.