74results about How to "Improve antifreeze effect" patented technology

The invention discloses a ventilator shell anti-icing device and an installation method, and relates to the technical field of air blowers. An anti-icing device for a ventilator shell comprises a heating module, a supporting module and an emptying module. The heating module comprises a coil pipe, and heating fluid is arranged in the coil pipe; the coil pipe is pressed and connected to the bottom position of the outer side wall of the fan shell through the supporting module; the emptying module comprises an emptying pipe, one end of the emptying pipe is connected with the fan shell, and a valve body is installed at the other end of the emptying pipe. The emptying pipe is communicated with the bottom of the inner cavity of the fan shell. The supporting module enables the heating module to be installed at the bottom of the outer side wall of the fan shell, the heating module heats water in the fan shell and an inner cavity of the fan shell, liquid water is prevented from being frozen into ice or solid ice is prevented from being melted into liquid water, and then the liquid water is discharged out of the fan through the emptying module, so that the anti-freezing effect is achieved, and the service life of the fan is prolonged. And the operation safety is improved.

The utility model relates to the technical field of water heaters, and discloses a pipeline anti-freezing device for an outdoor water heater, which comprises a water heater pipeline, the surface of the water heater pipeline is sleeved with a foam sleeve, the surface of the foam sleeve is sleeved with a heat preservation component, the surface of the heat preservation component is sleeved with a heating pipe, and the surface of the heating pipe is sleeved with a water inlet pipe. A cavity is formed in the inner wall of the heating pipe, an electric heating wire is fixedly arranged in the cavity, the surface of the heating pipe is sleeved with an aluminum foil layer, the surface of the aluminum foil layer is sleeved with a corrugated extension pipe, the surface of the corrugated extension pipe is sleeved with a waterproof film, and the surface of the waterproof film is sleeved with an A fixing ring. According to the pipeline anti-freezing device for the outdoor water heater, through the arrangement of the electric heating wire, the fixing ring A and the fixing ring B are installed on the outer surface of the waterproof film and communicated with an external power source, the temperature sensor senses the external temperature, and when the temperature is low, the temperature controller controls the electric heating wire to heat, heat the pipeline and melt ice, so that the pipeline of the water heater is prevented from being frozen to crack.

The utility model provides a drain pipe anti-freezing structure suitable for an air conditioner room, which relates to the technical field of tobacco leaf storage and comprises a drain pipe arranged on a wall body and an annular pipe arranged on the outer side of the drain pipe, a heating block positioned on the outer side wall of the drain pipe is arranged on the inner side of the wall body, and one end, close to the outer side of the wall body, of the annular pipe is closed. The end, close to the inner side of the wall, of the annular pipe is provided with an opening expanding towards the heating block. According to the utility model, the structure is simple, the characteristic of constant temperature in the tobacco mellowing air conditioner room is effectively utilized, and the heating block which plays a role in heating a heat source in the air conditioner room is arranged on the outer side of the drainage pipe, so that the machine room and the drainage pipe are simultaneously heated, and the drainage pipe is effectively prevented from being frozen, and the annular pipe communicated with the inner side of the machine room is arranged on the outer side of the drainage pipe. Therefore, air inside the machine room effectively exchanges heat with the drainage pipe, the anti-freezing capability of the drainage pipe is further ensured, the use cost is low, and the anti-freezing effect is good.

The invention provides a plate heat exchanger. The plate heat exchanger comprises a plurality of heat transfer plates stacked in a first direction; the first fluid channel and the second fluid channel are formed between the adjacent heat transfer plates and are in fluid isolation with each other; and the fluid blocking structure forms an isolation area in the first fluid channel, so that the isolation area of the first fluid channel is in fluid isolation with other areas of the first fluid channel. By adopting the fluid blocking structure, the performance of the plate heat exchanger is improved.

The utility model belongs to the technical field of anti-freezing of float water gauges, and particularly discloses an anti-freezing device for a float water level gauge of an ice-stage water conveyance canal, which comprises a float bowl, a heating pipe sleeved in the middle of the float bowl, an electric heating wire embedded in the heating pipe, and a heat-conducting medium embedded in the heating pipe. One side of each heating pipe is detachably connected with a control module and a temperature sensor, the control modules are electrically connected with the electric heating wires and the temperature sensors, the upper portion of the buoy is fixedly connected with an upper connecting nozzle, the lower portion of the buoy is fixedly connected with a lower connecting nozzle, and the heating pipes are distributed between the upper connecting nozzle and the lower connecting nozzle. When the device is actually used, the float bowl can be heated, the float bowl can have a good anti-freezing effect, the temperature around the float bowl can be detected, a worker can conveniently know the temperature information around the float bowl, the measuring precision of the float water level gauge can be improved, and normal use of the float water level gauge in the freezing period is achieved.

The utility model relates to an indirectly-heated type orchard anti-frost device, and belongs to the technical field of agricultural planting. The device comprises an outer shell, an inner shell and a combustion chamber shell which are sequentially arranged from outside to inside; a heat preservation interlayer is formed between the outer shell and the inner shell, an air pipe interlayer is formed between the inner shell and the combustion chamber shell, an air distribution chamber is formed around the front end of the combustion chamber shell, an air collection chamber is formed around the rear end of the combustion chamber shell, and the air distribution chamber and the air collection chamber are connected and communicated through a heat absorption air pipe penetrating through the air pipe interlayer. And the shell is provided with a fuel adding port, a smoke exhaust pipe and an ash discharge port which are communicated with the combustion chamber shell. According to the device, a combined technical mode of air heating and air disturbance is adopted, the mode that a traditional orchard frost prevention machine independently adopts air heating or air disturbance is broken through, specifically, a parallel heat absorption air pipe combination is adopted for heating cold air, and then the heated air is conveyed to the periphery of fruit trees in an orchard through an air feeder; and warming and anti-frost effects are provided.

The utility model relates to a fire-fighting valve with a good anti-freezing effect, and belongs to the field of fire-fighting valves, the fire-fighting valve comprises a fire-fighting valve body and two connectors, an anti-freezing mechanism is arranged outside the fire-fighting valve body, and the anti-freezing mechanism comprises a temperature monitoring device fixedly installed at the bottom of the fire-fighting valve body; the fire valve comprises a fire valve body, an alarm lamp is fixedly installed at the bottom of the fire valve body, a heating plate is movably installed on the outer surface of the fire valve body, a polyurethane heat preservation plate is fixedly installed at the top of the heating plate, and a firm plate is fixedly installed at the top of the polyurethane heat preservation plate. According to the fire-fighting valve with the good anti-freezing effect, by arranging the anti-freezing mechanism, the purpose of anti-freezing protection on the fire-fighting valve body can be achieved, so that the fire-fighting valve cannot be frozen when being used in winter or in a low-temperature environment, and the service life of the fire-fighting valve body cannot be shortened; and the safety and practicability of the fire valve with the good anti-freezing effect are improved.

The utility model relates to the technical field of solar water heaters, and discloses a solar water heater with a self-anti-freezing function, which comprises a water tank, the surface of the water tank is fixedly connected with a heat preservation mechanism, and the top of the water tank is communicated with a water pipe. According to the solar water heater with the self-anti-freezing function, through the arrangement of the heat preservation mechanism, the circulation mechanism and the temperature control mechanism, when the solar water heater is used, a ceramic fiber layer and a rock wool layer are arranged on the surface of the water tank, the heat preservation capacity of the water tank can be effectively improved, and in cold weather, a water pump on one side is started; the water pump pumps a water source in the water tank into the circulation tank for preheating, the heating piece is arranged in the circulation tank, the temperature controller controls the heating piece to reach the designated temperature, then the valve on one side is opened, hot water is input into the water tank again, on one hand, the water source can be secondarily heated, and on the other hand, the living water source in circulation is not prone to freezing. And the anti-freezing performance of the solar water heater is improved.

The utility model relates to the technical field of mine car anti-freezing, and discloses a mine wide-body mine car anti-freezing device which comprises a main body mechanism, an anti-freezing mechanism and a cleaning mechanism, the anti-freezing mechanism is located at the inner end of the main body mechanism, the cleaning mechanism is located at the upper end of the main body mechanism, and the main body mechanism comprises a storage warehouse, a fixing column and a groove. The fixing column is fixedly installed at the right end of the inner end of the storage warehouse, the groove is fixedly formed in the left end of the fixing column, the main body mechanism further comprises a first motor, a first lead screw, a limiting disc, a first positioning nut, an air heater and a movable door, and the first motor is fixedly installed at the upper end of the inner end of the groove. The first lead screw is fixedly installed at the lower end of the transmission end of the first motor, and the limiting disc is fixedly installed at the upper end of the outer end of the first lead screw. According to the anti-freezing device for the wide-body mine car of the mine, by installing the main body mechanism, the heating and heat preservation range is conveniently widened, the anti-freezing effect is improved, the use requirements of people are conveniently met, and functionality and practicability are improved.

The utility model provides an outdoor anti-freezing ground, relates to the field of ground anti-freezing, and adopts the technical scheme that the outdoor anti-freezing ground comprises a base layer, an upper base layer is arranged at the upper part of the base layer, a heating coil is arranged on the upper base layer, a surface layer is arranged at the upper part of the upper base layer, and two ends of the heating coil are communicated with an indoor heating pipeline through valves. According to the utility model, ground temperature can be raised through heating, formation of a snow accumulation layer and icing of surface accumulated water are avoided, a good anti-freezing effect is achieved, and safe driving of a tested vehicle is ensured.

The fire hydrant with the light reflecting function comprises a base, the top of the base is fixedly connected with a column body, the surface of the column body is fixedly connected with a temperature control device, the top and the bottom of the temperature control device are fixedly connected with one end of a heat conduction pipe, and the other end of the heat conduction pipe is fixedly connected to the surface of the column body. A display screen is embedded in the front face of the temperature control device, and buttons are arranged on the front face of the temperature control device. According to the fire hydrant with the light reflecting function, the current temperature of the fire hydrant is displayed on the display screen, then a button arranged on the front face of the temperature control device can be pressed down to adjust heat emitted by the temperature control device, so that the fire hydrant is not prone to being internally frozen in cold weather, normal use of the fire hydrant is not affected, and the anti-freezing effect is good.

The utility model relates to the technical field of centrifugal pumps, and discloses a centrifugal pump with a heat preservation anti-freezing structure. Comprising a pump body and a waterproof cover, the waterproof cover is arranged on the outer side of the pump body, a base is arranged at the bottom of the waterproof cover, heat preservation cotton is fixedly connected to the inner wall of the waterproof cover, two through holes are formed in the inner wall of the waterproof cover, and sealing rings are arranged on the inner walls of the through holes; accumulated snow on the top of the waterproof cover can be blown off by starting the snow removing assembly, the accumulated snow is prevented from freezing, the anti-freezing effect of the pump body is improved, when the pump body generates heat during operation, the sealing piece on the waterproof cover is opened at the moment, the heat generated by the pump body is discharged from the ventilation hole, and the anti-freezing effect of the pump body is improved. And when the pump body stops running, the sealing piece is closed, the waste heat in the waterproof cover can be prevented from rapidly volatilizing through the heat preservation cotton, and therefore the heat preservation purpose is achieved.

The utility model discloses a composite efficient oil separator core which comprises a filter core, a heating device is arranged at the top of the filter core, a heat conduction copper pipe is fixedly connected to the surface of the heating device, a heating pipe is fixedly connected to the interior of the heating device, a control panel is fixedly connected to the interior of the heating device, and a display screen is embedded in the top of the control panel. A button is arranged at the top of the control panel, a magnetic attraction groove is fixedly connected to the side face of the heating device, a magnetic attraction block is connected into the magnetic attraction groove in a magnetic attraction mode, and a cover plate is fixedly connected to the surface of the magnetic attraction block. According to the composite efficient oil separator core, the heating device is arranged at the top of the filter core, so that heating can be carried out through the heating device, heat can be dissipated into the device through the heat conduction copper pipe, water in the filter core is not prone to condensation, the filter core is prevented from being used in a cold position, and the service life of the filter core is prolonged. And therefore, the anti-freezing filter element has a relatively good anti-freezing effect.

The utility model discloses a water supply and drainage anti-freezing device for municipal engineering, and relates to the technical field of water supply and drainage anti-freezing. The water supply and drainage pipe assembly comprises a first water supply and drainage pipe and a second water supply and drainage pipe, and the two ends of the first water supply and drainage pipe and the two ends of the second water supply and drainage pipe are each provided with a flange ring. The surface of the first water supply and drainage pipe and the surface of the second water supply and drainage pipe can be fully wrapped through the heat preservation cotton, so that a good heat preservation effect can be achieved, then the outer side face of the heat preservation cotton can be evenly wrapped through the limiting component, and the situation that adhesion is not tight enough after viscosity is reduced, and the service life of the heat preservation cotton is prolonged can be avoided. And meanwhile, the arranged sealing limiting shell can also achieve a good sealing and heat preservation effect on the joint of the first water supply and drainage pipe and the second water supply and drainage pipe, and therefore the anti-freezing effect of the anti-freezing device can be further improved.

The present invention discloses a mechanical antifreeze type large flat plate heat collecting device, which relates to the technical field of heat collecting devices, including a heat header, wherein the left and right sides of the heat header are respectively fixedly connected with fixed plates, the lower side of the fixed plate is fixedly connected with a heat collecting box, the interior of the heat collecting box is fixedly connected with two copper main channels and fourteen copper branch channels, the copper branch channels are all connected with the copper main channel pipeline, the upper sides of the copper branch channels and the copper main channel are both fixedly connected with silicone connecting sleeves, the upper side of the silicone connecting sleeve is also provided with a first connecting port and a second connecting port, the first connecting port is fixedly connected with a liquid passing pipe and the liquid passing pipe runs through the heat header, an antifreeze core is provided, one end of which is in communication with the atmosphere and can be freely retracted and retracted, thereby effectively avoiding fatigue cracking of the copper main channel and the copper branch channels due to excessive expansion times or excessive internal pressure, thereby achieving good antifreeze and anti-cracking effects.

The invention discloses an under-forest chicken breeding anti-freezing water drinking device, and belongs to the field of breeding devices.The under-forest chicken breeding anti-freezing water drinking device comprises a fixing pipe, the lower end of the fixing pipe is open, a water storage assembly is arranged on the lower side of the fixing pipe and comprises a storage part and a heat preservation part, and the storage part comprises a storage tank communicated with the fixing pipe; a water storage bag body is fixedly connected to the inner surface of the storage tank, a limiting plate is fixedly connected to the upper end of the water storage bag body, a partition plate is fixedly connected to the inner surface of the storage tank, the storage part is used for storing drinking water, and the heat preservation part is located outside the storage tank and used for freezing prevention and heat preservation of the storage tank. According to the drinking water storage tank, drinking water can be stored in ground soil, the storage tank is prevented from being in direct full contact with outdoor cold air, and therefore the temperature of the soil can be fully utilized to achieve a certain heat preservation and anti-freezing effect on the drinking water, the freezing probability of the drinking water can be effectively reduced, and meanwhile the drinking water can be kept at the proper temperature.

The utility model discloses a sealing anti-freezing type valve which comprises a valve body, the left end and the right end of the valve body are communicated with valve pipes, the upper end of the valve body is connected with a valve handle in a rotating mode, a valve element is installed at the lower end of the valve handle, and a through hole is formed in the lower end of the valve element. The lower end of the valve body communicates with a collecting pipe, and the lower end of the collecting pipe is in threaded connection with a sealing cover. The outer side of the valve pipe is sleeved with an extension pipe, the inner side of the extension pipe is connected with a rubber ring, the outer side of the extension pipe is provided with a positioning hole, and the outer side of the valve pipe is connected with an air bag in an adhesive mode. The sealing anti-freezing valve is provided with the through hole and the collecting pipe, and when the valve element is controlled to rotate to close the valve, the position of the through hole is aligned with the position of the collecting pipe, so that residual water in the valve element flows into the collecting pipe through the through hole, the sealing cover is conveniently opened subsequently, and the residual water is discharged; the situation that residual water is left in the valve element and frozen in a low-temperature state is avoided, damage to the valve element caused by freezing is avoided, and the anti-freezing performance of the valve can be improved.

The utility model discloses an SMC anti-freezing water meter box, and relates to the technical field of water meter boxes. Comprising a box body, connecting pipes are fixedly connected to the bottoms of the two ends of the box body, ventilation openings are formed in the tops of the two ends of the box body, a heating assembly is arranged at the top of the first end in the box body, the heating assembly comprises a frame body, and the frame body is fixed to the top of the first end in the box body; a self-locking double-output-shaft motor is arranged in the frame body, the self-locking double-output-shaft motor is fixed to the top of the first end in the box body, the output end of the second end of the self-locking double-output-shaft motor is fixedly connected with a plurality of fan blades, and the fan blades are arranged between the ventilation openings. The self-locking double-output-shaft motor is started to rotate forwards to drive the fan blades to rotate, the heating wire is started at the same time, the fan blades convey heat near the heating wire to other areas in the water meter box through the ventilation openings, and the anti-freezing effect of the device is improved.

The utility model relates to the technical field of anti-freezing protection devices for outdoor water heaters, and discloses an anti-freezing protection device for an outdoor water heater, which comprises a main machine, a socket is fixedly connected to the top of the main machine, a connector is inserted into the socket, a temperature measuring assembly is fixedly connected to one side of the main machine, and the temperature measuring assembly is fixedly connected to the other side of the main machine. And one end of the connecting joint is fixedly connected with a left clamping block. According to the anti-freezing protection device for the outdoor water heater, through the arrangement of the temperature measuring assembly and the connector, the temperature sensor is inserted into a water tank of the water heater for detection during installation, when the detected temperature is low, the temperature sensor sends a signal to the controller, and then the controller processes and controls the multiple sets of heating pieces to conduct heating; meanwhile, according to the internal conditions of different water heaters, multiple sets of connectors are additionally arranged, the heating pieces are fixed to the key positions of the water pipes and the water heaters to provide heat, and therefore the anti-freezing effect is enhanced, and the flexibility of the anti-freezing protection device is improved.

The invention provides an extension bar faucet, and belongs to the technical field of faucets. The problem that the anti-freezing effect is insufficient is solved. The valve comprises a valve body and a valve rod assembly, the valve rod assembly can move in the axial direction of the valve body and control communication or separation of a flow channel in the valve body, an air inlet is formed in the side portion of the valve body, a control piece is in threaded connection with the interior of the valve body, and a first sealing ring is arranged on the side portion of the inner end of the control piece. The first sealing ring abuts against the inner wall of the valve body to form sealing and is blocked between the air inlet hole and a flow channel in the valve body, the control piece is connected to the outer end of the valve rod assembly in a sleeving mode, the valve rod assembly is sleeved with a pre-closing spring, the inner end of the pre-closing spring abuts against the valve rod assembly, and the outer end of the pre-closing spring abuts against the control piece. A stop part for limiting the moving range of the control piece is arranged in the valve body, and when the control piece moves in the direction of compressing the pre-closing spring till the control piece abuts against the stop part in the valve body, a ventilation gap is formed between the control piece and the inner wall of the valve body. The device has the advantages of good anti-freezing effect, convenience in operation and the like.

The present invention discloses an antifreeze and environment-resistant split air conditioner, which relates to the technical field of air conditioning units, and includes an internal unit component, one side of the internal unit component is connected to an external unit component, and one side of the external unit component is connected to an antifreeze mechanism. In the present invention, one side of the thermostatic plate is fixedly connected to the thermostatic tube 2, and the thermostatic tube 1 and the thermostatic tube 2 can be used to assist the heating and temperature rise of the thermostatic plate, thereby assisting the external heat exchange of the guide tube 1 and the guide tube 2, and the waste heat inside the protective shell can be recovered by the recovery mechanism, and the protective tube can wrap and protect the guide tube 1 and the guide tube 2, thereby reducing the excessive heat loss speed of the guide tube 1 and the guide tube 2 when they are used outdoors, thereby ensuring the normal use of the condenser 1 and the condenser 2, and when the hot air flows inside the protective shell, the interference of the cold air on the electronic components can be reduced, thereby ensuring the circuit stability and improving the overall antifreeze effect of the air conditioner.

The utility model relates to the technical field of anti-freezing devices, and provides a cooling water anti-freezing device of a roots vacuum pump in order to overcome the defect that in the prior art, the contact position of the water surface of cooling liquid and the inner wall of a cooling box is prone to freezing, the cooling water anti-freezing device comprises a heat preservation water tank of a cylindrical structure, and a cover plate is fixedly installed at the top of the heat preservation water tank. A transmission shaft is rotatably installed at the bottom in the heat preservation water tank, the interior of the transmission shaft is of a hollow structure, the surface of the transmission shaft is slidably connected with a scraping plate in a sleeved mode, and ice breaking blocks are fixedly installed at the different ends of the two sides of the scraping plate. Meanwhile, thin ice on the water surface of the cooling water is broken through the ice breaking block, a thick ice layer is prevented from being formed, the scraper always floats on the surface of the cooling water under the buoyancy action of the cooling water, the scraper and the ice breaking block always stir the water surface of the cooling water, and the anti-freezing effect of the equipment is improved.

The application discloses an anti-freezing low-temperature gate valve, which comprises a valve body, connecting pipes, a valve cover, a sealing seat, connecting pipes are communicated with both sides of the valve body, the upper end of the valve body is fixedly installed with the valve cover through bolts, the upper end of the valve cover is fixedly installed with the sealing seat through bolts, and the gap between the sealing seat and the valve cover is filled with packing; the anti-freezing low-temperature gate valve further comprises a threaded rod, which is rotatably connected to the inner side of the sealing seat, the upper end of the threaded rod is fixedly connected with a knob through bolts, the lower end of the threaded rod is connected with a movable cylinder, and the lower end of the movable cylinder is fixedly installed with a gate plate; an elastic torsion spring is arranged on the inner side of the gate plate; and a liquid tank is fixedly installed on the inner wall of the connecting pipe. The anti-freezing low-temperature gate valve can store the elastic torsion spring by using the liquid flow when the valve is opened, and can generate heat and store heat by using the liquid flow, so that the liquid inside the valve body can be kept warm and stirred after the valve is closed, and the valve body is effectively prevented from freezing.

The utility model relates to the technical field of double-membrane water treatment, in particular to double-membrane water treatment equipment. According to the technical scheme, the double-membrane water treatment equipment comprises a plate trolley frame, an electric auxiliary heating assembly and a filtering assembly, and further comprises a water pump, an electric control box, a water drainage pipe and a water inlet pipe; a water pump is arranged at the upper end of the trailer frame; an electric control box is arranged on one side of the water pump; an electric auxiliary heating assembly is arranged in front of the electric control box; a filtering assembly is arranged in front of the electric auxiliary heating assembly; drainage pipes are arranged at the output ends of the water pumps; a water inlet pipe is arranged on one side of the drainage pipe. A water source is heated through the electric auxiliary heating assembly, so that the problem that water is frozen to block and damage the filtering assembly in a low-temperature environment is effectively prevented, and the problem that a water pipe is frozen to damage a filtering device during low-temperature water purification in winter due to the fact that existing double-membrane water treatment equipment is difficult to carry and does not have a heating function is solved.

The utility model discloses an anti-freezing check valve, which relates to the technical field of check valves and comprises a valve body, an anti-freezing component is mounted on the valve body and comprises a liquid storage tank, the liquid storage tank is fixedly mounted outside the valve body, and a storage battery is fixedly mounted at the top end of the liquid storage tank. The two sides of the interior of the liquid storage tank are each fixedly provided with three heating rods which are distributed at equal intervals, the two sides of the storage battery are each fixedly connected with three connecting wires which are distributed at equal intervals, the other ends of the connecting wires are fixedly connected with the top ends of the corresponding heating rods, and one side of the liquid storage tank is fixedly provided with a liquid injection nozzle. The anti-freezing assembly is used for carrying out low-temperature protection on the valve body, the performance of the valve body in the low-temperature environment can be effectively improved, the service life of the valve body in the low-temperature environment can be effectively prolonged, the valve fault phenomenon caused by too low air temperature is reduced, meanwhile, due to the existence of the anti-freezing solution, the anti-freezing effect of the check valve can be enhanced in the low-temperature environment, and therefore faults are reduced, and use is convenient.

The utility model provides a cable with an anti-freezing structure, which comprises a plurality of conductors, an insulating layer arranged outside the plurality of conductors, a plurality of fillers arranged outside the insulating layer, two conductive buses matched in the fillers, graphite particles arranged between the two conductive buses, an inner sheath arranged outside the fillers, and a thermal insulation layer arranged outside the inner sheath. The cable with the anti-freezing structure provided by the utility model has the advantages that the anti-freezing capability is better, the cable is shrunk when the temperature is reduced under the action of thermal expansion and cold contraction, and the anti-freezing performance of the cable is improved. At the moment, the graphite particles are in contact with the conductive bus to form a circuit, and the graphite particles have conductivity and can generate heat when current flows through, so that the anti-freezing capability of the cable is improved, the freezing is reduced, and the service life is prolonged.

The utility model provides a heat recovery type air conditioner room drain pipe anti-freezing structure, which relates to the technical field of tobacco storage and comprises a drain pipe arranged on a wall and an exhaust pipe arranged on the outer side of the drain pipe, an exhaust fan is arranged in the exhaust pipe, and a heat conduction block is arranged on the outer side wall of the drain pipe. A heat collection disc is arranged at the end, close to the inner side of the wall, of the heat conduction block. The fresh air exhaust device is simple in structure, low in use cost and good in anti-freezing effect, the characteristic of constant temperature in the tobacco mellowing air-conditioning machine room is effectively utilized, fresh air exhaust of the machine room is arranged on the outer side of the drainage pipe, air heat is effectively recycled, high temperature in the machine room is further guided to the outer side of the drainage pipe through the heat conduction block, heat recycling is enhanced, and the fresh air exhaust device is low in use cost and good in anti-freezing effect.

The utility model discloses a water conservancy and hydropower equipment anti-freezing device which comprises a box body and a lifting mechanism, two opposite circular through holes are formed in the two sides of the box body, and pipelines are arranged in the through holes in a penetrating mode. Transverse plates are horizontally mounted on the two sides, located on the upper side and the lower side of the through hole, of the box body; screw rods are rotationally arranged in the middles of the transverse plates through threads; the lead screw is located on the inner side of the transverse rod and rotationally arranged on the protective shell. The air bag is inflated through the inflation nozzle, the air bag expands after being inflated, the heat preservation layer is supported, the heat preservation layer can be tightly attached to the surface of the water conservancy and hydropower equipment, the heat preservation effect on water conservancy and hydropower can be improved, and meanwhile the fixing stability of the water conservancy and hydropower equipment is improved. A movable arc plate is adjusted to descend, so that a heat conduction protection pad is attached to water conservancy and hydropower, the device can be suitable for freezing prevention of water conservancy pipelines of different sizes, the contact effect is good, and the freezing prevention effect is improved; the device is simple in structure, convenient to operate and worthy of popularization.

The utility model relates to the technical field of anti-freezing devices, in particular to an anti-freezing device for a large-capacity storage tank, which comprises a buoy and a motor, the buoy is annular, the motor is fixedly arranged in the buoy through a fixing rod, a cross-shaped support is arranged above the buoy, and the bottom of the cross-shaped support is fixedly connected with the buoy through a supporting rod. Rotating shafts are rotationally arranged on the lower sides of the four end portions of the cross-shaped support through rolling bearings, impellers are fixedly arranged at the lower ends of the rotating shafts, a first transmission mechanism is arranged between the output end of the motor and the shaft wall of one rotating shaft, the first transmission mechanism can make the motor drive one rotating shaft to rotate, and a second transmission mechanism is arranged between the shaft walls of the multiple rotating shafts. And the second transmission mechanism can enable the plurality of rotating shafts to rotate synchronously. According to the anti-freezing storage tank, the water surface in the storage tank can rotate, vibrate and make waves, the water in the storage tank is difficult to freeze at the temperature below zero, the anti-freezing effect is excellent, and the structure is simple.