43 results about "Ice binding" patented technology

The utility model relates to an anti-ice-falling device for the surface of a cross tie beam of a bridge tower, which comprises a plurality of anti-ice-falling devices arranged on the surface of the cross tie beam, each anti-ice-falling device comprises an anti-ice-falling clamp, a plurality of raised fixing pieces and a plurality of extended connecting pieces, and the anti-ice-falling clamps comprise a first anti-ice-falling clamp and a second anti-ice-falling clamp. The first anti-ice-falling clamp and the second anti-ice-falling clamp are fixedly arranged on the edges of the left side and the right side of the cross tie beam respectively, and the first anti-ice-falling clamp and the second anti-ice-falling clamp are connected into a whole through the extending connecting pieces and the protruding fixing pieces and fixed to the upper surface of the cross tie beam. The limiting baffles arranged at certain intervals prevent solid accumulated ice from sliding on the upper surface of the bridge tower cross tie beam, meanwhile, lateral drainage of the upper surface of the cross tie beam cannot be hindered, the phenomenon that a traditional drainage channel becomes a'water blocking channel 'due to icing is avoided, and the size of a single block of ice accumulated on the upper surface of the cross tie beam is limited within a safety threshold value as much as possible.

This invention relates to the field of drying technology, specifically providing a compressor unloading control method for a dryer. The aim is to solve the problems of long unloading times during compressor unloading in existing dryers, leading to frost or even ice buildup on the external heat exchanger, and excessively high unloading frequencies causing performance degradation and reduced lifespan. To this end, the compressor unloading control method for a dryer of this invention includes: acquiring the compressor's operating current; comparing the compressor's operating current with the unloading current and the unloading exit current; and based on the comparison results, selectively controlling the dryer to enter different unloading modes or normal operation modes. This invention can select different unloading modes according to the compressor's operating current, reducing compressor unloading time compared to existing compressor unloading methods, improving the dryer's operational stability and baking quality, and extending its service life.

This utility model relates to an antifreeze device for water supply and drainage pipes, and pertains to the field of water supply and drainage engineering. The water supply and drainage pipe body of this technical solution is protected from freezing by an antifreeze component. The antifreeze component includes a water tank, one side of which is connected to the first end of the input pipe, and the other side of which is connected to the second end of the output pipe. A set of heating blocks is installed inside the water tank, and a microcontroller is mounted on its outer surface. A pump is also included, with its input end connected to the second end of the input pipe and its output end connected to the first end of the output pipe, and is electrically connected to the microcontroller. The output pipe is wound around the water supply and drainage pipe body, and is divided into a front half and a rear half. The rear half of the output pipe is further equipped with a secondary heating component electrically connected to the microcontroller. In this configuration, the cooperation between the antifreeze component and the water supply and drainage pipe body significantly improves the stability of the antifreeze effect, effectively prevents the medium inside the pipe from freezing, and ensures the normal operation of the water supply and drainage system.

The utility model discloses a cold region sewage pretreatment self-heating anti-freezing grid which comprises a main body assembly, and the main body assembly comprises a coarse grid, a limiting frame, a guide column, a fine grid and a pressing ring; the limiting frame is fixedly connected to the rear surface of the thick grid, and the outer side wall of the thin grid is attached to the inner side wall of the limiting frame. According to the utility model, the fine grid is designed into a split structure, so that the electric heating wire can be conveniently mounted, and the sealing ring is arranged between the two grid plates, so that sewage can be prevented from entering the fine grid to corrode the electric heating wire; through cooperation of structures such as a pressing ring, a guide column and a locking nut, the fine grille and the coarse grille can be tightly attached, and heat transfer is facilitated; when the electric heating wire works, heat is transferred to the surface of the grating plate, and the grating plate transfers the heat to the coarse grating, so that the condition that the surface of the grating is frozen can be avoided, a grating opening cannot be blocked by ice bodies and frozen impurities, and the water passing capacity of the grating is guaranteed.

The utility model discloses an anti-icing evaporator of a refrigeration house in the technical field of refrigeration house refrigeration equipment. The anti-icing evaporator comprises an evaporation box body and a circulating device, the evaporation box body is provided with a hollow heat exchange cavity. The front side and the rear side of the evaporation box are provided with an air outlet and an air inlet communicating with the heat exchange cavity correspondingly. The circulating device is arranged in the heat exchange cavity and comprises a plurality of heat exchange pipes, a spraying device used for spraying an anti-freezing solution is arranged above the circulating device, a recovery opening is formed in the lower end of the evaporation box body, and the recovery opening is communicated with the spraying device through a circulating pump. According to the anti-icing evaporator for the refrigeration house, the anti-freezing solution is sprayed to the heat exchange pipe of the circulating device through the spraying device, and condensed water is taken away through the anti-freezing solution with the low freezing point, so that ice blocks or frost are prevented from being formed on the surface of the heat exchange pipe.

The utility model discloses a cold liner anti-freezing structure of a tea purifying and drinking bar machine, which comprises a purifying and drinking machine main body, a cold liner and an ice-making module are arranged in the purifying and drinking machine main body, the ice-making module comprises a water return bin and an ice-making box, the ice-making box is arranged in the water return bin, the cold liner is provided with a first refrigeration evaporator, and the ice-making box is provided with a second refrigeration evaporator. The water purifying and drinking machine body is further provided with a compression refrigeration module used for providing refrigerants for the first refrigeration evaporator and the second refrigeration evaporator. The cold container is provided with a circulating pump, the water inlet end of the circulating pump is connected with the cold container, the water outlet end of the circulating pump is connected with the ice making box, a water return structure is connected between the water return bin and the cold container, and water in the water return bin flows back to the cold container through the water return structure. The device has the effects of high cold water preparation efficiency and effective prevention of freezing of the cold liner.

The invention discloses an anti-freezing type efficient air temperature heat exchanger for circulating water cooling, and belongs to the technical field of air temperature heat exchangers. An elastic sensing diaphragm is arranged to serve as a triggering element of an icing state, and only when circulating water in a star-shaped heat exchange pipe is frozen and expands, the elastic sensing diaphragm can sense the icing state; the heat transfer core is driven to make contact with the phase change heat storage material in the heat storage pipe through the hydraulic effect, a heat transfer path is conducted, ice melting protection is conducted on the icing position in a targeted mode, in the normal operation state, the heat transfer core is located in the heat insulation sleeve and keeps isolated from the heat storage material, and only little heat is transferred to the heat exchange pipe, so that the ice melting protection is achieved. The normal working temperature of circulating water is not changed, the heat exchange efficiency of the heat exchange pipe and an external medium is not affected, the anti-freezing function and the heat exchange function are not interfered with each other, solar energy is collected through photo-thermal conversion from a heat source, and the solar energy is converted into heat energy to be stored. The problems that energy is wasted and heat exchange is interfered in a traditional continuous heating scheme are solved.

The application relates to the technical field of aero-engine testing, and discloses an air inlet dustproof mesh cover assembly and a high-altitude simulation test bench. The air inlet dustproof mesh cover assembly comprises: an air inlet dustproof mesh cover which comprises a support framework and a mesh cover main body covering and fixed outside the support framework, the support framework is internally provided with a hollow air inlet channel, and the support framework is provided with a blowing hole for blowing air to the mesh cover main body; and a pneumatic defrosting device which is suitable for continuously feeding air into the air inlet channel and blowing air to the mesh cover main body through the blowing hole. Through the pneumatic defrosting device, the ice and frost on the mesh cover main body can be removed in real time, the screen mesh of the mesh cover main body can be dredged, and the phenomenon of frost blocking the mesh holes can be reduced or avoided, manual defrosting is not needed, the test is not interrupted, the icing test efficiency is improved, the energy consumption is reduced, the test continuity is ensured, the problems of frost blocking the mesh holes of the existing air inlet dustproof mesh cover and manual defrosting needing to pause the test are effectively solved.

The utility model relates to the technical field of water heaters, in particular to an anti-freezing water heater which comprises a shell, a heat exchanger is arranged in the shell, a water inlet pipe and a water outlet pipe are communicated on the heat exchanger, the water inlet pipe extends to the outer side of the shell, a ventilation pipeline is arranged on the water inlet pipe, and a water outlet pipe is arranged on the ventilation pipeline. An air inlet pipeline is detachably connected to the ventilation pipeline, the water heater further comprises an external fan, an air outlet of the external fan directly faces the air inlet pipeline, after the water heater is used, air is supplied to the air inlet pipeline through the external fan, the problems of water accumulation and freezing in the pipeline can be solved, the internal space of the water heater is not occupied, and the water heater is convenient to use. The occupied space of the water heater can be reduced, the fan is easy to replace, and the maintenance cost is low.

1. The name of the design product: water tap anti-freezing cover. 2. The use of the design product: the design product is used to wrap the water tap to prevent it from freezing. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the design is a partial protection design, and the area represented by the solid line in the view is the part to be protected.

The application discloses an artificial frosting refrigeration device and a use method thereof, and belongs to the technical field of vegetable cultivation. The device comprises a power module, an AC-DC converter, a DC-DC converter, a PWM amplification circuit, a high-power single-phase full-bridge inverter circuit, an ultrasonic atomization module, a heat tracing band, a water treatment module, a local cooling module and a sensing and control module. The ultrasonic atomization module atomizes and sprays water mist to the vegetable leaf surface, and the local cooling module locally cools the leaf surface to form a frost layer; the heat tracing band prevents the water body from freezing; the water treatment module sterilizes and disinfects the water source; the sensing and control module comprises an automatic frequency tracking unit and a cold exposure cumulative amount calculation protection unit. The use method comprises initialization, water treatment, temperature and humidity monitoring, leaf surface cooling, frequency tracking, atomization spraying, frost layer control and ending steps. The application enables the vegetables to obtain the taste and flavor of "post-frost vegetables" in a non-winter environment.

The utility model discloses a novel channel water level monitoring station, which relates to the technical field of water level monitoring and comprises a channel body, a water containing tank is arranged in the channel body, channel water is arranged in the water containing tank, a pre-buried tank and a groove are further arranged in the channel body, the groove is communicated with the pre-buried tank and the water containing tank, the bottom end of the groove is positioned below the water containing tank, and the water containing tank is arranged in the channel body. One end of the sensor conduit is located in the pre-buried groove, and the other end of the sensor conduit is located in the groove. According to the utility model, the design structure is reasonable, the pressure sensor is arranged in the tip of the groove, and the distance between the pressure sensor and the inner bottom wall of the water containing groove is at least 70cm, so that freezing damage to the sensor caused by freezing of water in a channel in winter in the north is effectively avoided, the sensitive induction crystal is protected from being influenced by low temperature and freezing, and the service life of the sensor is prolonged. The service life of the sensor is prolonged, meanwhile, the overall reliability and stability of the monitoring system are improved, and it is guaranteed that water level data can be accurately obtained under the extreme weather condition.

The utility model provides an anti-freezing device for breeding down producing goats in a high altitude area. Comprising a water tank; the device is characterized in that one end of the water tank is fixedly connected with a water supplementing tank, the other end of the water tank is fixedly connected with a control box, the top of the water supplementing tank is provided with a locking set, the lower end of the locking set is fixedly connected with a connecting line, the lower end of the connecting line is fixedly connected with a floating ball, and the lower end of the floating ball is fixedly connected with a connecting rod. A conical plug is fixedly connected to the lower end of the connecting rod, an external water pipe is arranged at the bottom end of the water supplementing tank, heating boxes are arranged on the two sides of the water tank, and a temperature controller is arranged at the bottom in the water tank. The goat water heater has the advantages that when the water temperature reaches the set temperature suitable for drinking of goats, the temperature controller cuts off the circuit to stop heating of the heating pipe, the working principle similar to that of a water dispenser can not only achieve the purpose of preventing water from freezing, but also prevent the water temperature from being too high, and meanwhile more electric energy is saved.

This utility model discloses a temporary fire-fighting water return and antifreeze device for construction sites, including a fire-fighting water tank and multiple fire hydrants. The bottom and top of the fire-fighting water tank are connected to an outlet pipe and a return pipe, respectively. The outlet pipe is connected to a water supply network. The multiple fire hydrants are installed on the water supply network, and the fire hydrants are connected to the internal channels of the water supply network. This utility model sets two preset water temperature values ​​and implements two return water circulation modes depending on the situation in low-temperature environments. Mode 1 uses a return water pump to circulate the fire-fighting water, improving its activity. Mode 2, based on the recycling circulation, further incorporates a booster pump, an electric heater, and a stirrer to form a heater structure inside the fire hydrant's internal cavity. This heater participates in the water circulation, providing a heating and ice-melting effect, increasing water pressure, and improving the efficiency of the circulating water flow rate. This solves the problem that fire-fighting water easily freezes in pipes in low-temperature environments, leading to the inability to discharge fire-fighting water and the easy freezing and cracking of pipes.

The utility model discloses a frost crack prevention instant heating device. The instant heating device comprises an instant heating device body, a water inlet pipe is arranged at one end of the instant heating device body, a water outlet pipe is arranged at the other end of the instant heating device body, a water flow pipeline allowing water flow to pass through is arranged between the water inlet pipe and the water outlet pipe, and a heating pipe is inserted into the water flow pipeline. The elastic sealing cover covers the opening of the water flow pipeline, and one end of the elastic sealing cover extends towards the heating pipe and is provided with a buffer rod; the buffer rods can absorb internal stress generated by expansion through self deformation when water in the water flow pipeline freezes and expands, and pipeline breakage caused by stress concentration is avoided. When water in the water flow pipeline freezes and expands, pressure generated by volume increase acts on the elastic sealing cover and the buffer rod; after the ice is melted, the buffer rod restores under the action of resilience force of the material, so that the device can be continuously used.

The utility model provides anti-freezing portable eyewash equipment. The anti-freezing portable eyewash equipment comprises a shell, a vacuum suction device, a water tank and a spray head assembly, the water tank is arranged in the shell, and a heating device is arranged on the side wall of the water tank and used for heating flushing water stored in the water tank; the bottom of the water tank is of an inclined structure, the height of the bottom of the water tank is gradually reduced from one side to the other side through the inclined structure, and one end of the vacuum suction device communicates with the lowest side of the bottom of the water tank. The spray head assembly is located outside the shell and communicates with the other end of the vacuum suction device. By adopting the design of a vacuum suction structure and an inclined water tank, a self-emptying anti-freezing system is formed, the heating effect of a heating area is achieved, the problems that residual water in the water tank and a pipeline freezes in winter and flushing water freezes easily are solved, normal use of equipment in a low-temperature environment is achieved, the maintenance cost and the maintenance frequency are reduced, and the service life of the equipment is prolonged. And reliability and stability are improved.

The utility model belongs to the technical field of rail flaw detection cars, and particularly relates to a rail flaw detection car coupling waterway pipeline emptying device which comprises a wind source device, the wind source device is connected with a PLC control module through a wire, and the PLC control module is connected with a waterway control box through a wire. One side of the waterway control box is provided with a water pipe, one side of the air source device is connected with an electromagnetic valve, the other end of the electromagnetic valve is connected with a through pipe, and the other end of the through pipe is connected with a one-way valve. In addition, the workload of an operator can be reduced, and the efficiency can be improved. And meanwhile, freezing blockage caused by untimely switching of the anti-freezing solution due to human subjective factors is reduced, the consumption of the anti-freezing solution is reduced, and the detection cost is reduced.

This invention relates to the field of intelligent meat preservation equipment, providing an intelligent meat preservation box for non-crystalline freezing. It includes a box body and a control system. The box body forms a storage space for storing food. The box body integrates a touch-sensitive power interface and multi-point temperature sensors. The storage space includes a first side wall and a second side wall arranged opposite each other. A first electrode plate is located in the first side wall, and a second electrode plate is located in the second side wall. A controllable electric field is generated between the first and second electrode plates. The control system is located on the box body. By inputting information about the meat raw materials and the ambient temperature, the control system decides and outputs electric field parameters for non-crystalline freezing and abnormal freezing warning and melting. A controllable electric field with multi-mode feedback matching is formed in the electrode plate space to suppress ice nucleation. The intelligent meat preservation box for non-crystalline freezing provided by this invention can be flexibly stacked, suitable for various preservation needs, breaking the traditional boundaries between freezing and refrigeration temperature zones, and achieving intelligent preservation of frozen quality.

The utility model discloses an anti-freezing faucet which comprises a faucet body, a gas injection assembly and a control module used for controlling a gas injection unit are arranged on the faucet body, the gas injection assembly comprises a connecting water pipe installed on the faucet body, a pressurizing cylinder is installed on the connecting water pipe, an exhaust valve is installed on the connecting water pipe, and the pressurizing cylinder is connected with the exhaust valve. The exhaust valve is located in the pressurizing cylinder, a pressurizing plate is arranged in the pressurizing cylinder, and the side face of the pressurizing plate is attached to the inner wall of the pressurizing cylinder. According to the anti-freezing faucet, air can be actively injected into the faucet through the air injection assembly, and water is effectively prevented from being frozen at the low temperature; according to the water faucet, the risks that the water faucet is damaged due to freezing and a water pipe cracks due to freezing are avoided, water resource waste and maintenance cost are reduced, automatic control is achieved through cooperation of the control module and the detection box, gas injection operation can be automatically started or stopped according to changes of the internal pressure of the water faucet, frequent manual intervention is not needed, and use convenience is greatly improved.

The invention discloses a movable pressure test medium comprehensive treatment device and process, the movable pressure test medium comprehensive treatment device comprises a stirring tank and a storage tank, the stirring tank and the storage tank are arranged in parallel, each of the stirring tank and the storage tank is provided with an inlet end and an outlet end, the inlet ends of the stirring tank and the storage tank are higher than the outlet ends, and the stirring tank is externally connected with a conveying channel; the storage tank is arranged in the stirring tank and used for conveying an anti-freezing solution into the stirring tank, a stirring structure is arranged at the top of the stirring tank and used for stirring and mixing a medium from the storage tank with the anti-freezing solution, the movable pressure test medium comprehensive treatment device further comprises an external conveying device, and the medium located outside the device enters the storage tank through the external conveying device so as to achieve long-time storage. According to the movable comprehensive treatment device for the pressure test medium, the stirring tank is externally connected with the anti-freezing solution conveying channel and the top stirring structure, so that the pressure test medium and the anti-freezing solution are uniformly mixed, the problem of freezing in winter is avoided, the problem of waste of traditional disposable pressure test water is solved, and the industrial water cost is reduced.

The utility model belongs to the technical field of electric appliances, and particularly relates to a wine chiller cold storage bin with an axial waterproof structure and a wine chiller, the wine chiller cold storage bin comprises a cold storage bin shell, a cold storage cavity and an opening communicated with the cold storage cavity are formed in the cold storage bin shell, and a rotating shaft arranged in the length direction of the cold storage cavity is arranged in the cold storage cavity; the tail end of the rotating shaft is a first assembling end, and the head end of the rotating shaft is a second assembling end used for being connected with a driving piece. A first damping part is further arranged between the first assembling end and the first mounting position, a second damping part is arranged between the second assembling end and the second mounting position, and the first damping part is further provided with a first water retaining sealing part which extends in the radial direction and abuts against the peripheral face of the rotating shaft. The second damping piece is also provided with a second water retaining sealing part which extends in the radial direction and abuts against the peripheral face of the rotating shaft. The axial waterproof water-retaining sealing part is additionally arranged, so that the problem that the rotating shaft cannot work due to the fact that steam freezes at the mounting position of the rotating shaft is solved.

A heat pump external unit with an anti-freezing function comprises a shell, the interior of the shell is divided into a heat exchange cavity and an electromechanical cavity by a partition plate, a heat exchanger is installed in the heat exchange cavity, a compressor assembly is installed in the electromechanical cavity, and the compressor assembly is connected with the heat exchanger through a plate heat exchanger. The plate heat exchanger is provided with a water inlet and a water outlet which are connected with the water storage tank; the plate heat exchanger is provided with a water outlet, the water outlet is connected with a water drainage valve, and the water drainage valve is electrically connected with the control system. The heat pump external unit has the advantages that the water drainage port and the water drainage valve are arranged on the plate heat exchanger, so that residual water in the plate heat exchanger and related pipelines can be drained in time when the heat pump external unit is shut down. By means of the design, the phenomenon that water is frozen and expands in the low-temperature environment is effectively avoided, and therefore the risk that the plate heat exchanger and a pipeline are damaged due to frost cracking is prevented.

This embodiment provides a technical solution for a refrigerator in which an air passage supplying cold air to the storage chamber is configured to be openable and closable by an opening / closing part, that can suppress condensation from occurring at the opening / closing part, even if the opening / closing part is located between a cooling section capable of cooling to the freezing temperature range and a storage chamber capable of cooling to the refrigeration temperature range, thereby suppressing the freezing of the opening / closing part. [Solution] The refrigerator according to this embodiment includes a cooling unit capable of generating cold air, and an air passage capable of supplying the cold air generated by the cooling unit to a storage compartment. The air passage is openable and closable by an opening / closing unit and includes an openable / closable air passage section whose downstream side is connected to a special compartment. The opening / closing unit includes an opening degree adjustment unit capable of adjusting the opening degree of the openable / closable air passage section, and a drive unit capable of driving the opening degree adjustment unit. An insulating section is provided in the air passage at a position downstream of the cooling unit and upstream of the drive unit.

This invention relates to an instant hot water faucet designed to prevent scalding and freezing, comprising a main body, a heating element, a control module, and a movable component. The main body contains a hot water channel connecting a water supply pipe to the faucet's outlet assembly. The hot water channel has a heating chamber with a drain outlet. The heating element heats the water within the heating chamber. The control module is configured to open or close the hot water channel, and the movable component is configured to open or close the drain outlet. When the control module opens the hot water channel, the movable component closes the drain outlet to ensure a sealed hot water channel and normal hot water flow. When the control module closes the hot water channel, the movable component opens the drain outlet to drain water from the heating chamber, promptly removing any residual water and preventing burns caused by the residual heat from the heating element reheating the water after a short interval between openings. Furthermore, in low-temperature environments, it prevents the water from freezing and expanding, which could crack the heating chamber.

The utility model discloses a large -scale antifreeze counterflow type cooling tower, including the cooling tower main part, the bottom intercommunication of cooling tower main part has the sump, and the inside installation of cooling tower main part has the padding layer. The utility model discloses a heating disc that can directly heat the water of sump bottom through installing in the sump inner chamber bottom, avoids the freezing of bottom water temperature too low, and simultaneously, the heating pipe that can heat the water of sump four -around annular installation in sump inner wall, this three -dimensional heating layout makes the water in sump can be heated evenly, effectively prevented the occurrence of local low temperature icing phenomenon, temperature sensor can real -time monitoring the water temperature in sump, and will temperature information in time feedback, when water temperature approaches freezing point or is lower than the set safe temperature, can automatically adjust the power of heating pipe, realizes accurate heating, guarantees the water in sump and avoids the energy waste caused by excessive heating and does not freeze.

This invention discloses an integrated antifreeze device for air-cooled islands under extremely cold climate conditions, comprising an air-cooled island heat dissipation connector and air-cooled island fins. The top of the rising air-cooled island heat dissipation connector is fixedly connected to the bottom of the air-cooled island fins. A temperature sensing and control mechanism is provided on the top of the air-cooled island heat dissipation connector. This invention relates to the field of steam condensation technology. By setting up a temperature sensing and control mechanism, in some extremely cold regions, although there is a liquid inside the air-cooled island fins that needs to dissipate heat for heat exchange, once the temperature is too low and the liquid inside the air-cooled island fins drops below zero, steam and liquid will freeze, causing the liquid to stop flowing. The liquid cooling method in the operation of the air-cooled island will be interrupted, resulting in the high temperature of the exhaust steam being unable to transfer heat to the air through the forced convection heat exchange of the air-cooled island fin tube bundle, leading to the problem of excessive temperature damage.

This invention belongs to the field of special gas supply safety technology, and specifically relates to a micro-positive pressure thermal insulation and antifreeze system for a pressure regulating valve in a silane gas holder. The system includes a cabinet with a control panel on its top side. Two doors are hinged to the front of the cabinet. It also includes a micro-positive pressure sealed drying chamber located inside the cabinet. The chamber comprises an outer metal shielding shell and an insulation liner. Outer and inner sealing plates are respectively installed on the left and right sides of the chamber. A pressure regulating valve body is located inside the chamber. This invention utilizes a micro-positive pressure drying chamber and molecular sieves to prevent water vapor sublimation, vortex tubes for heat equalization to avoid thermal shock damage, micro-vibration and thermal sublimation for non-destructive ice breaking, and regenerative adsorption to reduce maintenance costs. It solves the problems of traditional antifreeze systems, such as easy icing, equipment damage, and cumbersome maintenance, while ensuring safety, energy efficiency, and continuous stable operation of the pressure regulating valve.

The utility model discloses an anti-freezing fire hydrant structure which comprises a hydrant column body with an inner flow channel, the hydrant column body is provided with a water outlet column head and a hydrant cover assembly, the hydrant cover assembly is provided with a switch structure, and the lower end of the switch structure is connected with a valve rod used for being matched with the hydrant column body to control circulation and cut-off of water in the inner flow channel. The plug column body is further provided with a second plug body, and a drainage port is formed in the second plug body. When the fire hydrant structure is in a non-water-outlet state, conduction of media in the inner flow channel is cut off, meanwhile, the blocking ring ascends to open the drainage port, water liquid intercepted on the upper side of the sealing seat of the inner flow channel leaks and is drained out of the fire hydrant from the drainage port, the sealing core ascends during water outlet, the blocking ring blocks the drainage port along with weight reduction, and therefore the fire hydrant structure is protected. Therefore, water in the fire hydrant can be discharged when the fire hydrant is not used, and the fire hydrant is prevented from being damaged due to freezing of the water in winter.

The application relates to the technical field of ice storage, in particular to a broiler processing and fresh-keeping ice storage which comprises an ice storage main body, a cavity, a vortex tube, an air compressor, a pressure tank and an exhaust pipe. The cavity is arranged at the bottom surface of the ice storage main body, a pipe body is arranged in the cavity, the hot gas outlet of the vortex tube is connected with the pipe body, the cold gas outlet of the vortex tube is communicated with the outside, the pressure tank is communicated with the air compressor, the pressure tank is used for storing the pressurized gas pumped by the air compressor, the pressure tank is communicated with the gas inlet end of the vortex tube through a pipeline provided with a first electromagnetic valve, the exhaust pipe is communicated with the gas inlet end of the vortex tube through a pipeline provided with a second electromagnetic valve, the pressurized gas is used for driving the vortex tube to generate hot gas and cold gas, the hot gas is used for separating the icing layer, and the cold gas is used for cold compensation, the temperature imbalance of the ice storage can be avoided, the internal temperature can be rapidly restored to balance, the ice separating device and the hot air can be combined to generate a gap between the icing layer and the cavity surface, the hot air invades the gap to locally melt, the icing layer can be separated from the cavity surface, and the residual icing layer is small.

The invention relates to the technical field of sealing strip heating, and discloses a refrigerator sealing strip heating and ice melting method, device and equipment and a storage medium. According to the method, through data fusion of temperature detection and gap detection, accurate judgment of the icing state and quantitative grading of the icing thickness are achieved; the heating control instruction generated based on the grading result has the advantage of being high in adaptability, and the constructed dynamic grading heating ice melting mechanism can effectively avoid sealing failure caused by freezing hardening and freeze-drying of the sealing strip, reduce the risk of refrigerating capacity leakage and abnormal energy consumption of the refrigerator and improve the reliability of the refrigerator. The problems of energy waste and aging acceleration of the sealing strip caused by continuous heating can be solved, and the service life of the sealing strip is prolonged; the method can adapt to various household and commercial refrigeration equipment, the heating process is accurate and controllable, the heat utilization rate is high, the ice melting efficiency, the energy-saving requirement and part protection are considered, the running stability, economical efficiency and reliability of the refrigerator are remarkably improved, meanwhile, the maintenance cost of a user is reduced, and it is ensured that the food material storage environment is stable.