45results about How to "Affect heat transfer efficiency" patented technology

The invention provides a control method for a mobile air conditioner and a control device. The mobile air conditioner comprises a refrigerating system consisting of a compressor, an evaporator and a condenser, and a water striking motor for striking the condensed water on the evaporator to the condenser. The control method for the mobile air conditioner comprises the steps: detecting the real-time dry ball temperature and real-time relative humidity of the environment located by the mobile air conditioner, and recording the running duration of the compressor; according to the running duration of the compressor, the real-time dry ball temperature and real-time relative humidity, controlling the water striking motor to work, so that the condenser can reach the optimal heat exchanging effect. The technical scheme is capable of improving the heat exchanging efficiency of the condenser, and improving the energy efficiency of the mobile air conditioner.

The invention discloses an air supply system of a refrigerator and an air-cooled refrigerator, relates to the technical field of refrigerators and aims at solving the problems of relatively high complexity and poor cooling effect of the existing air supply system of the refrigerator. The air supply system of the refrigerator comprises an air duct cover plate; a sealed air cavity is defined by the air duct cover plate and an inner container of the refrigerator; an evaporator of the refrigerator is arranged on the outer surface of the inner container and corresponds to the sealed air cavity in position; the sealed air cavity is internally provided with air guide ribs by which the sealed air cavity is divided into an air suction region, a first air supply region and a second air supply region which sequentially communicate; an air suction hole is formed in the air suction region; the first air supply region is located above the air suction region; an upper air outlet is formed in the air supply region; the second air supply region is located at the lower part of the first air supply region and is spaced from the air suction region by the air guide ribs; a lower air outlet is formed in the second air supply region; and air in a refrigerator chamber is sucked by the air suction hole, one part of air enters the refrigerator chamber from the upper air outlet, and the other part of air enters the refrigerator chamber from the lower air outlet. The air supply system can be used for the air-cooled refrigerator.

The invention belongs to the field of household appliances, and particularly relates to a self-cleaning pressure-stabilizing water heater based on a high-temperature demagnetizing principle. The self-cleaning pressure-stabilizing water heater based on the high-temperature demagnetizing principle comprises a tank, wherein a heating device is arranged in the tank; a water inlet pipe and a water outlet pipe fixedly communicate to the upper end and the lower end of the tank; a lifting plate is slidably connected onto the inner side wall of the tank in a sealing way; two symmetrically arranged through holes are formed in the lifting plate; a sealing plate is rotatably connected to the upper surface of the lifting plate; two exchanging water holes communicating with the two through holes are formed in the sealing plate; the lifting plate and the sealing plate are made of materials with the density being smaller than the density of water; and an outer ring of the sealing plate is fixedly connected with the lifting plate through a coil spring. According to the self-cleaning pressure-stabilizing water heater based on the high-temperature demagnetizing principle provided by the invention, the occurrence of the phenomenon that cold water and hot water in a water tank contact so as to cause the reduction of the water outlet temperature can be prevented, the water pressure in the tank can always keep unchanged, the normal use of a user is guaranteed, and the heating device can be brushed through a brushing ring, so that limescale is prevented from being attached and accumulated onto thesurface of the heating device.

The invention belongs to the field of household appliances, and particularly relates to an automatic descaling type pressure-stabilizing electric water heater. The electric water heater comprises a box body, wherein a U-shaped heating pipe is fixedly arranged on the inner side wall of the box body, and the upper end and the lower end of the box body fixedly communicate with water inlet pipes and water outlet pipes; the outer part of the U-shaped heating pipe is slidably connected with a plurality of descaling rings in a sleeved mode, the plurality of descaling rings are all made of magnetic materials, and every two adjacent descaling rings repel each other at the same pole; the outer part of the U-shaped heating pipe is slidably connected with pushing blocks in the sleeved mode, and the pushing blocks are fixedly connected with the side wall of the box body through memory springs; and a horizontally-arranged sealing plate and a horizontally-arranged heat insulation plate are slidably connected to the inner side wall of the box body, and both the sealing plate and the heat insulation plate can float on the water surface. According to the automatic descaling type pressure-stabilizingelectric water heater, water scale accumulated on the surface of the U-shaped heating pipe can be scraped and removed through the descaling rings, and the water scale is prevented from accumulating and affecting the heat exchange efficiency between the U-shaped heating pipe and water body; and contact heat exchange between cold water and hot water is prevented through the sealing plate and the heat insulation plate, and normal use of a user is guaranteed.

The invention provides a condensing system for window-type air conditioners, which comprises a compressor (13), an axial fan (8), a condenser (2) and a cooler (4), wherein the condenser (2) is dead against the axial air outlet side of the axial fan (8), the cooler (4) is provided with a cooling coil, an inlet and an outlet of the cooling coil are respectively formed into an inlet end and an outlet end of the cooler, the cooler (4) is arranged in an air blowing path between the axial fan (8) and the condenser (2) and is positioned in the position collided with the condensed water circumferentially thrown out of the axial fan, and an air outlet of the compressor (13), the inlet end of the cooler (4), the outlet end of the cooler (4) and a refrigerant inlet of the condenser (2) are sequentially communicated so as to form a refrigerant path. According to the invention, a super-cooling section of the condenser in a window-type air conditioner can be effectively increased, thus the heat exchange efficiency of the condenser is improved.

The invention discloses a gradient utilization enhanced hot dry rock geothermal system. The gradient utilization enhanced hot dry rock geothermal system comprises a production well pipeline and recharge well pipelines which are connected with underground hot dry rock, wherein a first-stage plate heat exchanger, a second-stage plate heat exchanger, a third-stage plate heat exchanger and a water injection pump are sequentially connected between the production well pipeline and the recharge well pipelines; the heat exchange end of the first-stage plate heat exchanger is connected with an organicRankine cycle generator set; the heat exchange end of the second-stage plate heat exchanger is connected with a heating module; and the heat exchange end of the third-stage plate heat exchanger is connected with a radiation heating module. The gradient utilization enhanced hot dry rock geothermal system effectively avoids the defect that the system is unstable after running for a period of time, and can select a plurality of recharge well pipelines to be used simultaneously or only one recharge well pipeline can be used through a water distributor. The gradient utilization enhanced hot dry rock geothermal system fully utilizes hot water of each temperature section, adopts multi-stage utilization modes such as power generation, heating and floor heating radiation, fully utilizes working media of each temperature range, can utilize heat energy of the hot dry rock to the maximum extent, reduces unnecessary energy waste, and improves the utilization rate of the whole system.

The invention discloses a falling film evaporator with a unique gas passage. The falling film evaporator comprises a housing. The upper portion of the housing is provided with a coolant distributor. Heat exchange tube groups horizontally arranged are arranged below the coolant distributor and include a first path heat exchange tube group and a top heat exchange tube group. A first gas passage is arranged between the first path heat exchange tube group and the top heat exchange tube group. A distance from top heat exchange tubes in the first path heat exchange tube group to bottom heat exchange tubes in the top heat exchange tube group is 75%-100% of the outer diameter of the heat exchange tubes. The tubes in the heat exchange tube groups are reasonably arranged so that the gas passage is formed in the heat exchange tube groups; the gas passage is used to guide gaseous coolant medium so that the gaseous coolant medium escapes from the heat exchange tube groups constantly at reasonable speed, the film type flowing liquid coolant medium is less disturbed by the gaseous coolant medium, and exchange change efficiency of the falling film evaporator can be higher. The falling film evaporator is simple and compact in structure, good in manufacturability and low in cost.

The invention provides a method for preparing high-carbon hydrocarbons from methane through vacuum ultraviolet radiation. Major equipment comprises a methane storage tank, a refining system, an argon gas storage tank, a blender and a plurality of series vacuum ultraviolet radiation reactors, wherein the high-carbon hydrocarbons are separated from a product flowing out of a last-stage reactor by a primary condenser, and uncondensed gas mixture is pumped back; hydrogen gas produced by a reaction is subjected to recovery by a hydrogen-pervious palladium membrane separator and a hydrogen gas vacuum pump and then is pumped into fuel cells for power generation, the high-carbon hydrocarbons are recovered from impervious methane, ethane, propane, butane and pentane by a condenser and a gas-liquid separator, and then, uncondensed gas returns to a system. According to the method, multistage vacuum ultraviolet radiation reactions are adopted, the byproduct hydrogen gas is recovered, and the high-carbon hydrocarbons are subjected to primary separation, so that the dehydrogenation of the methane and the production of alkanes are promoted; the alkanes are circularly applied mechanically as a reaction assistant of the methane and an initiator of optical free radical chains, so that the efficiency of photo-induced reaction is increased, the conversion ratio of the methane and the product yield are increased, and the production cost of the high-carbon hydrocarbons is reduced.

The invention provides an air conditioner system, an air conditioner and a defrosting control method of the air conditioner. The air conditioner system comprises a compressor unit, an air supply device, an indoor unit, an outdoor unit and a defrosting pipeline which communicate with one another; at least one working cavity of a plurality of working cavities of the compressor unit is provided withan air suction port and an air exhaust port, the air suction port communicates with the air supply device, and the exhaust port communicates with the indoor unit; and the first end of the defrosting pipeline communicates with the outdoor unit, the second end of the defrosting pipeline selectively communicates with at least one working cavity of the plurality of working cavities, and when the outdoor unit reaches a defrosting preset value, the defrosting pipeline is controlled to communicate with the working cavities, so that a refrigerant enters the outdoor unit through the defrosting pipelinefor defrosting operation. According to the air conditioner system, the problems that in the prior art, an air conditioner usually needs to start and stop a compressor many times to complete defrosting operation, heat is absorbed from the interior of a room, the indoor temperature is reduced, and the good user experience of a user on the air conditioner is greatly influenced are solved.

The invention provides a heat pump type dishwasher and a control method thereof. The heat pump type dishwasher adopts a heat pump system to heat washing water, the heat pump system comprises an evaporator and an air supply device used for driving air to flow through the evaporator, and the heat pump system further comprises a filtering device arranged on the front portion of a windward side of theevaporator and used for filtering the air flowing through the evaporator. The filtering device is arranged at the front portion of the windward side of the evaporator, thus, after air flowing throughthe evaporator for heat exchange is filtered, impurities are prevented from adhering to fins of the evaporator to affect the heat exchange efficiency of the evaporator, and therefore the heat pump type dishwasher has the advantages that the heat exchange efficiency of the evaporator is guaranteed, the heating efficiency of the heat pump system is higher, and a good heating effect is achieved.

The invention discloses a drilling heat supply system based on medium-deep geothermal energy, and belongs to the field of geothermal energy utilization. The system comprises a heat pump, a circulatingpump, an outer pipe, an inner pipe, a medium reversing structure and a shallow heat exchange and medium-deep heat exchange conversion structure. According to the system, circulating power is providedthrough the circulating pump, heat conduction media circulate in the outer pipe and the inner pipe to achieve exchange of medium-deep terrestrial heat, and meanwhile, through the medium reversing structure, when the medium backflow temperature is lower than the temperature of the outer pipe, the flowing position of the media is switched from the outer pipe to the inner pipe, so as to solve the problem that the rising effect of the heated media hinders the operation of the media and increases the energy consumption of the circulating pump; and in summer, the shallow heat exchange and medium-deep heat exchange conversion structure is utilized to act, so that only upper sections of the inner pipe and the outer pipe work, heat exchange of shallow low-temperature terrestrial heat is carried out, and summer cooling can conveniently improve the utilization degree of a coaxial double-pipe heat exchanger composed of the outer pipe and the inner pipe.

The invention discloses a heat, electricity and fertilizer coproduction system for edible mushroom dreg. The system comprises a mushroom bag breaker, a sorting machine and a roller drier which are connected in series sequentially, wherein a medium inlet of the roller drier is connected with a hot-blast furnace. The system is characterized in that a material outlet of the roller drier is connected with a rotary discharging bin through a screw feeder and an elevator, a discharging opening of an additive screw conveyor is connected with a charging opening of the screw feeder, the rotary discharging bin is in series connection with a derived fuel pelletizer, a cooler and a gasifier behind sequentially, and an outlet of the gasifier is connected with a fuel gas exhaust-heat boiler through a settlement type purifier and a draught fan. The invention further discloses a heat, electricity and fertilizer coproduction process for the edible mushroom dreg. According to the system and the process, the mushroom dreg can be treated industrially in time, the pollution to environments is prevented, the resource expenditure is low, the value of products is high, continuous production and long-term normal operation are achieved, the comprehensive economic benefit is improved, and the resource utilization of the mushroom dreg can be achieved.

The invention relates to the technical field of air conditioners and in particular relates to a snow removing device of an air conditioner outdoor unit and a control method thereof as well as the air conditioner outdoor unit. The snow removing device of the air conditioner outdoor unit comprises a snow sweeping mechanism arranged on an outer side face of a condenser, and a power mechanism connected with the snow sweeping mechanism; the power mechanism is used for driving the snow sweeping mechanism to move in a plane parallel to the outer side face of the condenser. The snow removing device of the air conditioner outdoor unit, provided by the invention, can be used for removing deposited frost or deposited snow on the outer side face of the condenser through driving the snow sweeping mechanism to move on the outer side face of the condenser, and heat exchange efficiency of the condenser is prevented from being influenced by the deposited frost or the deposited snow on the outer side face of the condenser, so that the heating effect of the air conditioner is guaranteed.

The invention discloses an ultrasonic welding machine with a temperature shock resistance function. The ultrasonic welding machine comprises a welding head, a servo motor driving mechanism, a support, a base and a rack. The support is made of carbon steel; the base is used for bearing a product and is provided with a containing cavity for containing the product to be welded; the rack is used for bearing the support and the base; the rack comprises a working table in contact with the base and four supporting legs which are used for supporting the working table and located on the lower portion of the working table; and the rack is of a hollow structure, the hollow supporting legs and the hollow working table are connected into a cavity, one supporting leg is connected with a first water storage tank through a water inlet pipe, and the other supporting leg is connected with a second water storage tank through a water outlet pipe. The mounting height of the first water storage tank is larger than that of the second water storage tank, and one side wall of the first water storage tank and one side wall of the second water storage tank are transparent and provided with scales; and the top face of the first water storage tank and the top face of the second water storage tank are each provided with a hand hole. The ultrasonic welding machine is simple in whole structure, high in practicability, long in service life and easy to use and popularize.

The invention discloses a coupling treatment device for circulating water. The coupling treatment device comprises industrial medium equipment, a heat exchanger installed through a medium pipeline, a liquid outlet pipe and a liquid inlet pipe, the liquid outlet pipe and the liquid inlet pipe are installed on the heat exchanger, a circulating water pump is installed at the tail end of the liquid inlet pipe, and an ion generating mechanism is installed at the input end of the circulating water pump through a pipeline. A circulating water mechanism is installed on the ion generating mechanism, a main control system mechanism is installed on the surface of the liquid outlet pipe through a pipeline bypass system, an energy generating mechanism is installed at the tail end of the liquid outlet pipe and connected with the circulating water mechanism through a circulating pipeline, and a bypass system filtering mechanism is arranged on the bypass of the circulating pipeline. By arranging a series of structures, the coupling treatment device for the circulating water can separate out calcium, magnesium and other ions in water in advance, scaling and algae or bacterium breeding in a heat exchanger are avoided, pollution discharge treatment is facilitated, the quality of the circulating water is improved, and the heat exchange efficiency is improved.

The invention provides a clamp structure and a water heater with the same. The clamp structure is used for fastening flat tubes and comprises a clamp body and multiple support parts which are formed on the clamp body and protrude out of the clamp body, and therefore the support parts can be embedded into gaps of the adjacent flat tubes. The flat tubes are fixed by adopting the clamp structure, welding is not adopted between the clamp and the flat tubes, the additional rigid connection problem generated due to welding is avoided, the problem that due to the fact that the flat tubes deflect, contact between the flat tubes and a box is not uniform, and the heat exchange efficiency of the water heater is affected is effectively prevented, and the clamp structure effectively improve the heat exchange efficiency of the water heater.

The invention discloses a solar water heater. The solar water heater comprises an overflow opening, a water inlet, a water tank, an insulation layer, vacuum tubes, a plastic holder, a transverse supporting frame, a main supporting frame and a base. The overflow opening and the water inlet are arranged in the same side of the water tank, the overflow opening is arranged in the top of the side of the water tank, and the water inlet is arranged in the bottom of the side of the water tank. The insulation layer comprises a housing, an insulation material and an interior from outside to inside. The two groups of vacuum tubes are symmetrically arranged relative to the main supporting frame. The transverse supporting frame is connected to the vacuum tubes and the central portion of the main supporting frame and suspended at an obtuse angle. The base is connected to the vacuum tubes and the bottom of the main supporting frame and horizontally arranged to the ground. The plastic holder is arranged at the bottoms of the vacuum tubes. The solar water heater is reasonable in design and simple in structure, still has a low-carbon environment-friendly function, prolongs direct sun lighting time and improves the heating efficiency.

The invention discloses a box-type cooling unit which is used for solving the technical problems that a condenser of an existing box-type cooling unit is inconvenient to maintain and clean and the heat exchange efficiency is easy to reduce due to the installation mode. The overhead condenser assembly comprises a top face frame, a condenser module and a draught fan. The top face frame is installed on the top face of the box body, the condenser module is installed on the top face frame, the draught fan is installed at the bottom of the top face frame, the air outlet side of the draught fan faces upwards, and the condenser module is located on the air outlet side of the draught fan. According to the embodiment, the top condenser assembly is arranged on the top face of the box body, the condenser module is installed on the top face frame and located on the air outlet side of the draught fan, and when the heat exchange efficiency is affected by filth blockage of the surface of the condenser module due to long-time use, the surface of the condenser module can be directly washed through a water gun; and it is ensured that the heat exchange efficiency of the condenser module is not affected by surface filth blockage.

The invention discloses a low-energy-consumption environment-friendly air conditioner based on a heat pump. The low-energy-consumption environment-friendly air conditioner based on the heat pump comprises a terrestrial heat collecting mechanism, a conveying pipe and a heat exchange barrel communicating with the conveying pipe; and a cold water inlet box is fixedly connected to the left side of theheat exchange barrel. The invention relates to the technical field of heating ventilation air conditioners. According to the low-energy-consumption environment-friendly air conditioner based on the heat pump, through the arrangement of a first curved pipe and a second curved pipe, the conveying direction of the conveying pipe and the conveying direction of a discharging pipe can be changed underthe opening and closing cooperation of a first electromagnetic control valve and a second electromagnetic control valve, so that a power scraping plate is pushed to slide left and right on a heat exchange pipe; at the moment, impurities adhering to the heat exchange pipe can be removed; the heat transfer efficiency of the heat exchange pipe can be effectively prevented from being affected by impurity adhesion; and meanwhile, the inner wall of the heat exchange barrel can be scraped and cleaned through the power scraping plate, so that the situation that the interior of the heat exchange barrelis blocked is effectively avoided; and by using water pressure as a power element, the energy consumption can be effectively reduced while the heat exchange efficiency of the heat exchange pipe is guaranteed.

The invention relates to a glass tube heat exchanger capable of preventing dust accumulation and blockage and application thereof. The glass tube heat exchanger comprises a shell, a smoke inlet and outlet and an air inlet and outlet are formed in the shell, a heat exchange tube is arranged in the shell, the two ends of the heat exchange tube communicates with the air inlet and outlet respectively, and an ash collecting hopper is arranged on the lower portion of the shell; and an ash discharging valve is arranged at an ash discharging opening in the lower end of the ash collecting hopper, a purging pipe is arranged in the ash collecting hopper, one end of the purging pipe extends out of the ash collecting hopper to be connected with an air source, and a plurality of purging holes are distributed in a pipe body, located in the ash collecting hopper, of the purging pipe. A dust collecting hopper is arranged at the bottom of the heat exchanger, dust mixed in smoke and crystallized salt separated out through cooling can be collected and discharged regularly in the heat exchange process, and the problem that the heat exchange efficiency is reduced due to the fact that the dust and the crystallized salt are attached to the pipe wall of the heat exchange pipe because the dust and the crystallized salt cannot be discharged is solved.

The invention discloses a double-whirling single-outlet three-pipe-row fin evaporator which comprises a ventilation box, a heat exchange pipe, a heat insulation cover, a filtering device, a collectingtank, fins, damping springs, heat absorbing pieces, sliding grooves, sliding blocks, heat conducting columns, a box door and connecting ropes. The heat insulation cover is mounted outside the ventilation box, the box door is connected to one side of the ventilation box through hinges, the sliding grooves are evenly distributed in the inner walls of two sides of the ventilation box, every two sliding blocks are connected through the corresponding fins, the connecting ropes are connected between the fins and the box door, the heat exchange pipe is mounted between the two fins, the collecting tank is mounted on one side of the heat exchange pipe, and the filtering device is mounted on the inner wall of one side of the collecting tank and composed of a filtering net cover, an activated carbonfiltering net and an adsorption cotton net, wherein the activated carbon filtering net is mounted in the filtering net cover, and the adsorption cotton net is mounted on one side of the activated carbon filtering net. The evaporator has the characteristics of being convenient to disassemble and overhaul and good in refrigeration effect.

Energy-saving sludge and household garbage mixing treatment equipment comprises a garbage storage bin, a traveling crane grab bucket is arranged above the garbage storage bin, a hopper is arranged on the right side of the garbage storage bin, a spiral feeder is arranged below the hopper, a sludge dewatering and drying mechanism is arranged on the right side of the hopper, the sludge dewatering and drying mechanism comprises a dewatering mechanism and a drying mechanism, a grate furnace is arranged on the right side of the screw feeder, and an ash treatment box is arranged on the right side of the grate furnace. According to the energy-saving sludge and household garbage mixed treatment equipment, a second shell with a double-layer cavity is arranged, high-temperature flue gas is introduced into the outer-layer cavity of the second shell to conduct heat preservation and heating on the outer shell, and meanwhile, through heat exchange between the high-temperature flue gas and a spring tube filled with air, the heated air dries the sludge in the cavity on the inner side of the second shell, so that the double-layer drying effect is achieved, the sludge drying effect is better; and through reutilization of the high-temperature flue gas, the energy consumption in the sludge drying process is reduced.

The invention discloses a flue gas waste heat recovery device with vertical low-resistance heat pipes. The flue gas waste heat recovery device with the vertical low-resistance heat pipes comprises a shell body, a thermal insulation plate and a plurality of heat pipes. The inner cavity of the shell body is separated into an upper shell body and a lower shell body by the thermal insulation plate. A heat exchanging medium inlet and a heat exchanging medium outlet are arranged at two sides of the upper shell body separately and a flue gas inlet and a flue gas outlet are arranged at two sides of the lower shell body separately. The plurality of heat pipes are installed on the thermal insulation plate in the way of arranging in rows in a staggered manner. Condensing ends of the heat pipes are located in the upper shell body and evaporating ends of the heat pipes are located in the lower shell body. High-density multi-layer and multi-row linear bending heat exchanging parts are arranged on the outer surfaces of the heat pipes. A flue dust outlet is arranged at the bottom of the lower shell body. According to the device, the high-density linear bending heat exchanging parts are arranged on the surfaces of the heat pipes and therefore the actual heat transferring areas of the heat pipes can be greatly improved, so that the heat transferring effect of the heat pipes can be greatly increased, the heat transferring capacity of the heat pipes can be greatly improved and furthermore the heat exchanging efficiency of the device can be improved; moreover, the flue dust in the flue gas is discharged from the flue dust outlet, so that the problem can be effectively avoided that the flue gas outlet is blocked by the flue dust in the flue gas.

An optimized rubber ball feeding and cleaning system suitable for a double-flow condenser of an indirect cooling unit comprises a double-flow surface type water-cooled condenser, an optimized ball feeding system, a hot well and the like. Optimized ball inlet systems are additionally arranged in a circulating water inlet water chamber and a rotary water chamber of the double-flow surface type water-cooled condenser, so that rubber balls enter a heat exchange tube bundle of the condenser as uniformly as possible, the purpose of cleaning the heat exchange tube bundle is achieved, and the situation that the heat exchange tube bundle at a ball inlet dead zone position cannot be cleaned all the time, and the overall heat transfer efficiency of the condenser is affected is avoided. Through the implementation of the optimized rubber ball feeding and cleaning system suitable for the double-flow condenser of the indirect cooling unit, the ball feeding uniformity of the condenser rubber ball cleaning system can be optimized, and the situation that tube bundles at the dead zone position cannot be cleaned all the time, and the operation economical efficiency of the condenser is affected is avoided.

The invention relates to the technical field of air conditioners, in particular to a snow removal device for an outdoor unit of an air conditioner, a control method thereof, and an outdoor unit of an air conditioner. The snow removal device of the outdoor unit of the air conditioner includes a snow removal mechanism arranged on the outer surface of the condenser, and a power mechanism connected with the snow removal mechanism, and the power mechanism is used to drive the snow removal mechanism on the outside of the condenser. Movement in a plane with sides parallel. The snow removal device of the outdoor unit of the air conditioner provided by the present invention can remove the frost or snow accumulation on the outer surface of the condenser by driving the snow removal mechanism to move on the outer surface of the condenser, so as to prevent the snow or frost accumulation on the outer surface of the condenser from affecting the performance of the condenser. The heat exchange efficiency ensures the heating effect of the air conditioner.

The invention discloses a seawater constant-temperature special heat exchanger for a marine museum. The seawater constant-temperature special heat exchanger comprises a base. The sealing effect of the connecting position of the pipe body heat exchanger can be improved, the situation that the pipe body leaks when seawater is conveyed is prevented, meanwhile, seawater entering the heat exchanger can be filtered, particulate matter such as silt in the seawater is prevented from entering the heat exchanger, the heat exchange efficiency and the service life of the heat exchanger are guaranteed, and the service life of the heat exchanger is prolonged. When seawater is filtered, the two rotating rollers are pushed through the flowing force of the seawater, the eight cleaning brushes can be driven to sweep the filter screen through pushing of the two rotating rollers, and the situation that the conveying efficiency of the seawater is affected due to blockage of silt on the filter screen is prevented; and meanwhile, the six universal wheels can be put down when the heat exchanger needs to be carried and moved, the problem that the heat exchanger is inconvenient to move due to the large size is effectively solved, and meanwhile it can be guaranteed that the special seawater constant-temperature heat exchanger conveys seawater into the ocean hall more stably.

The invention discloses a trench heat exchange mechanism for a house in the field of building of animal houses. The trench heat exchange mechanism comprises a dung ditch and an air flue which are formed in the bottom of the house in parallel, wherein the lengths of the dung ditch and the air flue are the same, the dung ditch and the air flue share a side wall, and a heat conducting component is arranged on the side wall. According to the technical scheme, the problem in the prior art that a temperature adjusting scheme of the animal houses is high in cost and inconvenient to implement are solved.

The invention discloses a multi-functional temperature regulating and purifying fresh air ventilator. The fresh air ventilator is characterized by comprising a heat exchanger, wherein the heat exchanger comprises more than two hot pipes and more than two cooling fins, the more than two cooling fins are arranged in an overlapped manner, the more than two hot pipes penetrate through the cooling finsin parallel, one ends of the hot pipes are located in a fresh air pipeline of the purifying fresh air ventilator, and the other ends of the hot pipes are located in an exhaust pipeline of the purifying fresh air ventilator; in the fresh air pipeline, an air filter and a fresh air fan are sequentially arranged at the side of the air inlet of the heat exchanger in the air direction, and an air heater and a silencing device are sequentially arranged at the side of the air outlet of the heat exchanger in the air direction; in the exhaust pipeline, an exhaust fan is arranged at the side of the airoutlet of the heat exchanger; and the air heater, the fresh air fan and the exhaust fan are all in signal connection with a controller. By arranging the heater to regulate the air outlet temperatureof fresh air, the comfort of human bodies is improved.