107results about How to "Achieve condensation" patented technology

The invention discloses a manufacturing method of a three-dimensional minute metal structural additive. The manufacturing method at least comprises the following steps that a substrate is subjected tolaser radiation and electrolytic deposition treatment at the same time, and a three-dimensional minute metal structure is manufactured on the substrate in an additive mode; and at least one zone on the surface of the substrate contains a shielding layer. The method has the advantages that the precision of minute structure electrolytic deposition can be improved; the temperature of a part of electroforming liquid in an action zone is increased through a laser photothermal effect, and improvement of the efficiency of minute metal structure electrochemical deposition is facilitated; when the laser energy is large, the laser energy enables the deposited metal to be molten, fusion and coagulation of a metal material are achieved, and improvement of the compactness and the mechanical performance of the electrolytic deposited minute structure is facilitated.

The invention relates to a low-displacement steam box. The low-displacement steam box comprises an inner container, a water tank and an exhaust channel, and an exhaust port and a water inlet are formed in the side wall of the inner container. The water tank is provided with a water outlet connector and a water return connector. The low-displacement steam box also comprises a water inlet pipeline and an exhaust pipeline. The water inlet pipeline and the exhaust pipeline are adjacent to each other. One end of the water inlet pipeline is communicated with the water outlet interface. The other endof the exhaust pipeline is provided with a first water inlet branch and a second water inlet branch, a water inlet valve is arranged on the first water inlet branch, a water return valve is arrangedon the second water inlet branch, one end of the exhaust pipeline is communicated with the water return connector, the other end of the exhaust pipeline is communicated with an air inlet of the exhaust channel, and water in the water inlet pipeline can exchange heat with steam in the exhaust pipeline. Compared with the prior art, the amount of discharged steam can be reduced, the use experience ofa user is improved, meanwhile, the water in the water inlet pipeline can be preheated through the steam, and therefore the preheating time of the steam box is shortened, the time for heating water through a heating disc to generate steam is shortened, and the energy consumption of the steam box is reduced.

The invention discloses an object-oriented non-condensable gas-containing vapor condensation visualization experiment device. The device mainly comprises a steam supply system, an air supply system, other gas supply systems, a cooling water system, a visualized experimental body and a data acquisition system. Steam and a non-condensable gas component are produced by the steam supply system, the air supply system and the other gas supply systems. A main gas supply pipe is connected to an experimental cavity and is provided with an electric valve. The electric valve can adjust an opening degreeaccording to the negative feedback of the pressure in the experimental cavity to control the steam flow. Cooling water enters an experimental pipe section through a flowmeter under the action of a water pump, is subjected to heat exchange in the experimental pipe section and then is returned into a constant temperature water bath through a water return pipe. Before the experiment, a vacuum systemrealizes a high vacuum environment in the experimental chamber. The device realizes continuous measurement, analysis and visual observation of the condensation phenomenon under different steam pressures, different subcooling degrees, different non-condensable gas components and contents, and different surface structural characteristics.

A reduced sugar syrup having an advantageously low viscosity is prepared by hydrolysis of starch or starchy material using a particular type of alpha amylase enzyme which yields a saccharide distribution having a low DP1-2 and low DP11+ content. The DP4 content of the syrup may be favorably increased by using a maltotetragenic alpha amylase enzyme in combination with the aforementioned alpha amylase enzyme. The syrup is useful in the production of food, beverage, animal feed, animal health and nutrition, pharmaceutical, and cosmetic compositions and may be combined with a high intensity sweetener to provide a composition capable of being substituted for conventional corn syrups.

The invention provides a steam condensing and recovering system, and relates to the technical field of steam condensing of kitchen appliances. The system comprises a switching direction finger which is mounted in an inner cooking chamber body and is provided with a T-shaped port, a condensing device for condensing saturated wasted steam, a cold power source which is arranged on the condensing device and is used for supplying cold air to the condensing device, and a purifying filtering water storing tank which is connected to the condensing device, wherein the condensing device is provided withtwo hot steam inlets and a condensed water outlet; after flowing out through the condensed water outlet, condensed water sequentially flows through the purifying filtering water storing tank and a water returning pump and then is returned to a water tank; the hot steam inlet is connected to a two-way port of the switching direction finder through a pipeline; and an one-way port of the switching direction finder is connected to a ventilating joint seat. According to the system, the saturated wasted steam is condensed through the condensing device, so that the steam condensing and zero emissionare effectively realized; the smell of foods can be removed through the purifying filtering water storing tank, and clean condensed water can be collected.

A refrigerator is provided that may include at least one compressor that compresses a refrigerant, a condenser that condenses the refrigerant compressed in the at least one compressor, a refrigerant tube that guides the refrigerant condensed in the condenser, a plurality of evaporation passages, in which expansion devices may be respectively disposed, the plurality of evaporation passages branching from the refrigerant tube, a flow adjuster disposed in the refrigerant tube to supply the refrigerant into at least one evaporation passage of the plurality of evaporation passages, a plurality of evaporators, respectively, connected to the plurality of evaporation passages to evaporate the refrigerant decompressed in the plurality of expansion devices, and a liquid refrigerant supply device disposed at an outlet-side of the condenser to separate a liquid refrigerant of the refrigerant heat-exchanged in the condenser, thereby supplying the liquid refrigerant into the flow adjuster.

The invention discloses a phase change heat pump system which is mainly composed of an indoor heat exchanger, a circulating pump, a liquid storage tank, a compressor, a throttling device, an outdoor heat exchanger, a connecting pipeline and a circuit control part, wherein the outdoor heat exchanger, the throttling device, the liquid storage tank, the compressor and the connecting pipeline compose an outdoor circulating loop; the indoor heat exchanger, the liquid storage tank, the circulating pump and the connecting pipeline compose an indoor circulating loop; and the circuit control part controls the operating action of the system. The phase change heat pump system can fully utilize effects of an evaporator and a condenser, and ensures that the evaporator is filled with liquid to the greatest extent to perform heat absorption and evaporation and the condenser is filled with gas to the greatest extent to perform heat release and cooling, thereby solving the problem that the existing evaporator and condenser are low in utilization efficiency and improving the heat energy transport efficiency.

A surgical clamp (1) is provided with branch parts (4, 5) which are articulated on the far-middle end of tubular handle part (2) with a mode of movable with each other. The branch parts are driven by a handle (15) through the relative movement of connecting rod (7) penetrating a shank through the shank. In two handle components (14, 16) of handle, the handle component (16) of connecting rod is detachably articulated on the far-middle end of connecting rod (7), and the handle component (14) of shank is connected with the near-middle end of handle through a sleeve (21). The sleeve surrounds the connecting rod (7) and is supported on the handle component (14) of shank with a mode that the longitudinal movement is allowed. The sleeve is detachable fixed on the near-middle end of shank and is surrounded by a spiral spring (19) which is supported on the sleeve with the far-middle end and is supported on the handle component of shank with the near-middle end. The invention is characterized in that the sleeve is installed to project from the handle component of shank with a mode of supporting at least one bigger component of the area of spiral spring in the far-middle direction.

The invention relates to a material separation device, aims to solve the problem of analyzing impurity content in sodium-potassium alloy through a vacuum distillation mode and provides a sodium-potassium alloy vacuum distillation device. The sodium-potassium alloy vacuum distillation device comprises a distillation still, a crucible, a collecting tank, a refrigeration device and a vacuum unit, wherein a heating device is arranged at the outer part of the distillation still; the collecting tank is a sealed tank body; the middle part of the collecting tank is communicated with the top part of the distillation still through a pipeline; an inner cooler and an outer cooler are arranged in the collecting tank and both connected with the refrigeration device through a coolant pipeline; and the top part of the collecting tank is connected with the vacuum unit. The sodium-potassium alloy vacuum distillation device has a simpler structure, does not have the backflow phenomenon in the distillation process, has the advantages of small sampling quantity, good separation effect of the sodium-potassium alloy, serving as a matrix, high reliability, convenience, rapidness and safety in operation, economy, practicability and the like and better solves the vacuum distillation problem of the sodium-potassium alloy.

The invention discloses a glass cooling condenser which is used for cooling condensation gas. The glass cooling condenser comprises a device body, a condenser tube, a liquid storage tube and a cooling gas output tube, wherein the device body is internally provided with cooling medium, the condenser tube is arranged in the cooling medium, the liquid storage tube is used for accumulating liquid which is formed after the gas condensation, the cooling gas output tube is used for outputting cooling gas, the upper end of the condenser tube stretches out of the device body, an opening at the upper end of the condenser tube is used as a gas inlet of gas needing to be cooled and condensed, and the lower end of the condenser tube is communicated with the liquid storage tube; the liquid storage tube is arranged at the inner bottom part of the device body, the liquid which is formed after the gas is condensed and the gas after being cooled can be enabled to be separated and branched, one end of the liquid storage tube stretches out of the device body, and thus the liquid can be discharged; and the upper end of the cooling gas output tube stretches out of the device body, an opening at the upper end of the cooling gas output tube is used as a gas outlet of cooled gas, and the lower end of the cooling gas output tube is communicated with the liquid storage tube.

The invention discloses a steam condensation device. The device comprises a cooling mixing cavity and a fan for accelerating steam cooling. The cooling mixing cavity is provided with an air inlet, anair outlet, a first steam inlet and a water outlet. The steam is guided into the cooling mixing cavity through the first steam inlet. The water outlet is formed in the bottom of the cooling mixing cavity, the fan is provided with an air suction port and an air outlet, cold air blown out of the air outlet completely enters the cooling mixing cavity through the air inlet to be mixed with the steam for cooling, and cooled gas is exhausted out of the cooling mixing cavity through the air outlet. According to the steam condensation device, steam condensate water can be conveniently recycled. The invention further discloses a cooking utensil.

The invention relates to a cutting device, in particular to a sponge cutting device. The sponge cutting device comprises a storing plate made of an electromagnet. An iron press plate is slidably arranged above the storing plate. A fixing mechanism is arranged between the press plate and the storing plate. The two ends of the press plate are vertically provided with push rods. Water storage pipes are arranged below the push rods. The water storage pipes are internally and slidably provided with pistons. The pistons are connected with the push rods. A hollow cutting knife is slidably arranged above the press plate. A suction pipe is arranged between the cutting knife and the water storage pipes in a communicating mode. The cutting knife is provided with a fixed sleeve. One side of the pressplate is provided with an air cylinder. The air cylinder can be connected with the fixed sleeve. The press plate is provided with a through hole for allowing the cutting knife to penetrate through. The through hole is provided with a dedusting mechanism. The sponge cutting device can solve the problem that the cutting surface of sponge is uneven.

The invention discloses a drum type washing and drying integral machine, and relates to the technical field of washing machines. The machine comprises a water containing barrel, and an inner cylindershaft hole is firmed in the rear side wall of the water containing barrel; a condensation plate is fixedly connected to the inner side face of the rear side wall of the water containing barrel, and anairtight chamber is formed between the rear side wall of the water containing barrel and the condensation plate; a cooling water inlet and a cooling water outlet which are communicated with the airtight chamber are fixedly connected to the outer side face of the rear side wall of the water containing barrel. Accordingly, by arranging the condensation plate, the airtight chamber allowing cooling water to circulate is formed between the condensation plate and the rear side wall of the water containing barrel, and the problems that an existing condenser pipe is likely to block, the condensationefficiency is low, and the cooling water is likely to wet clothes while entering the water containing barrel are solved; meanwhile, the problem that a drying structure of the existing condenser pipe occupies the internal space, so that the size of the whole machine is large is solved.

The invention discloses a phase change heat exchange hot water machine set. The phase change heat exchange hot water machine set comprises a boiler body which is internally provided with a hearth. A boiler door of the boiler body is externally provided with a burner which can spray combustion flame to the interior of the hearth. The boiler body is further internally provided with a vacuum cavity filled with heating medium water. A plurality of smoke heat exchange exhaust pipes are connected in series in the vacuum cavity, one ends of the smoke heat exchange exhaust pipes communicate with the hearth, and the other ends of the smoke heat exchange exhaust pipes communicate with a blowdown stack. The upper portion of the boiler body is provided with an internal heat exchanger, and after the heating medium water in the vacuum cavity is heated, saturated steam is formed and subjected to heat exchange through the heat exchanger. A hot water outlet of one end of a cold water heat exchange runner of the internal heat exchanger communicates with a hot water outlet pipe, and a cold water inlet of the other end of the cold water heat exchange runner of the internal heat exchanger communicates with a cold water inlet pipe. An external smoke heat exchanger is further arranged between the cold water inlet of the internal heat exchanger and the cold water inlet pipe, the smoke heat exchange exhaust pipes which are connected with and extend out from the internal heat exchanger are connected to the external smoke heat exchanger, and the smoke heat exchange exhaust pipes are connected to the external blowndown stack after being connected with and extending out from the external smoke heat exchanger. The phase change heat exchange hot water machine set has the characteristics that the structure composition is reasonable, the effect of corrosion resistance is achieved, the heat exchange coefficient is improved greatly, the exhaust smoke temperature is lowered, and the heat efficiency is high.

A heat pump device comprises a compressor, a four-way valve, an indoor heat exchanger and an outdoor heat exchanger, wherein, a first connector of the four-way valve is communicated with a high-pressure outlet of the compressor; a second connector thereof is communicated with one end of the indoor exchanger; a third connector thereof is communicated with a low-pressure inlet of the compressor; a fourth connector thereof is communicated with the outdoor heat exchanger; and the other end of the indoor heat exchanger is communicated with the other end of the outdoor heat exchanger by a throttling element. The heat pump device is characterized in that the outdoor heat exchanger comprises an evaporator and a condenser which are arranged next to each other for direct heat exchange and use the same refrigerant power source and heat exchange fluid power source. The invention has the advantages of simple and reasonable structure, high overall energy efficiency ratio, high reliability of the compressor, low possibility of liquid impact of the compressor and long service life. In addition, the device can reduce frosting probability and improve frosting condition during the heating operation of the outdoor heat exchanger, and greatly improve the refrigerant circulating load and pressure at lower pressure side during the low-temperature heating.

The invention discloses a temperature controllable electronic condensation rotary evaporator. The temperature controllable electronic condensation rotary evaporator mainly comprises a distillation flask, a thermostat water bath, a decompression pump, a receiving bottle and an electronic condenser. The electronic condenser comprises a cylindrical electronic refrigeration component, a cylindrical airflow heat radiator and a finned condensing pipe. During distillation, the cold end of the electronic refrigeration component absorbs heat temperature in the condensing pipe, thermal steam in the distillation flask contacts with the wall of the condensing pipe and fins to condense, heat of the hot end is guided out by the heat radiator, and the cold end of the electronic refrigeration component is always kept at low temperature. Since the condensing pipe is isolated from the environment temperature, cooling area is enlarged and condensing temperature is lower, condensing efficiency is improved. By adjusting input current of the electronic condenser, condensation temperature can be precisely controlled; a water-cooling condenser of an existing rotary evaporator can be replaced; the temperature controllable electronic condensation rotary evaporator is simple in structure, convenient to use, easy to manufacture and popularize and has great significance in environment protection and water saving.

The invention belongs to the fields of metallurgy and chemical industry, and specifically discloses a system and a method for preparing a high-purity vanadium electrolytic solution through an efficient clean chlorination method, wherein high-purity and low-valence vanadium oxide powder is prepared by using a process comprising chlorination, dust removal leaching, purification, catalytic oxidation,fluidization reduction and fluidized bed dissolution, the equivalent average valence of vanadium can be any one value selected from 3.0-4.0, and the low-valence vanadium oxide is subjected to low-temperature dissolving by adding ultrapure water and pure sulfuric acid to a liquid-solid fluidized bed to obtain the high-purity vanadium electrolytic solution capable of being directly used for all-vanadium redox flow batteries. According to the present invention, the chlorine gas is regenerated by introducing clean oxygen-rich air into the catalytic oxidation fluidized bed, such that the chlorinegas circulation is achieved, and the production cost is reduced; the hydrogen chloride in the catalytic oxidation tail gas is recovered by the hydrochloric acid condensation absorption tower, such that the generation of vanadium-containing hydrochloric acid is eliminated, and the environmental protection cost is substantially reduced; and the system and the method have advantages of strong raw material adaptability, low production energy consumption, low operation cost, stable product quality and the like, and are suitable for the large-scale industrial production of high-purity vanadium electrolytic solutions.

The invention belongs to the fields of metallurgy and chemical industry, and specifically discloses a system and a method for preparing a high-purity and low-valence vanadium oxide through an efficient clean chlorination method, wherein the high-purity and low-valence vanadium oxide powder is prepared by using a process comprising chlorination, dust removal leaching, purification, catalytic oxidation and fluidization reduction, and the equivalent average valence of vanadium can be any one value selected from 3.0-4.5. According to the present invention, the chlorine gas is regenerated by introducing clean oxygen-rich air into the catalytic oxidation fluidized bed, such that the chlorine gas circulation is achieved, and the production cost is reduced; the hydrogen chloride in the catalytic oxidation tail gas is recovered by the hydrochloric acid condensation absorption tower, such that the generation of vanadium-containing hydrochloric acid is eliminated, and the environmental protectioncost is substantially reduced; and the system and the method have advantages of strong raw material adaptability, chlorine gas regeneration cycle, no vanadium-containing hydrochloric acid production,no emission of polluting wastewater, low production energy consumption, stable product quality and the like, are suitable for the large-scale industrial production of high-purity and low-valence vanadium oxide with the purity of more than 4N, and have good economic and social benefits.

The invention discloses a safe and energy-saving cooking utensil. The steam generator comprises a body, a pot body and a steam generator body arranged in the body. The pot body is placed in the body.The steam generator is communicated with the interior of the pot body to supply steam to heat food in the pot body. The safe and energy-saving cooking utensil is characterized in that a steam condensing device which is communicated with the pot body to condense steam is also arranged in the body. The steam condensing device comprises a cooling mixing cavity, and a fan for accelerating the steam cooling. The cooling mixing cavity is provided with an air inlet, an air outlet, a first steam inlet and a water outlet. The steam is introduced into the cooling mixing cavity through the first steam inlet. The water outlet is formed in the bottom of the cooling mixing cavity. The fan is provided with an air suction port and an air outlet. The cold air blown out of the air outlet enters the coolingmixing cavity through the air inlet to be mixed with steam for cooling. The cooled air is exhausted out of the condensing device through the air outlet. The water outlet is directly or indirectly communicated with the steam generator to heat condensed water to form steam. The cooling effect can be guaranteed, and the cooling efficiency is improved.

The invention discloses a production system and method for increasing yield of waxberry juice. The production system comprises a vapor generator, a squeezing and distilling machine body, a juice extraction device, a cooling liquid box and a waxberry juice collecting barrel. The method comprises the steps of selecting waxberries, performing soaking, performing cleaning, performing squeezing, performing distillation and performing condensing. The invention aims to provide the production system and the method for increasing yield of waxberry juice. After the waxberries are subjected to ordinary squeezing, distillation and condensing are performed, so that the yield of the waxberry juice is increased, and waste of nutrient substances in the waxberries is avoided.

The present invention is a multiple reaction set for the production of chemicals by equilibrium limited reactions utilizing plate-type or extended surface heat exchangers. The heat exchangers effectively cool the reaction products in order to condense the methanol contained within the reaction products for separation, and also to warm incoming feed reactants prior to entrance of the reactants into a reactor utilized for the production of methanol. The various reactors, heat exchangers, and separators can be formed as separated zones within the enclosed vessels, thereby eliminating the need for separately constructed reactors, heat exchangers, and separators. Multi-stream plate-type of extended surface heat exchangers can be utilized to allow efficient cooling and methanol separation. The multiple reaction set can also be used for the recovery of methanol from a waste or purge gas stream utilizing multiple reactors, multiple plate-type or extended surface heat exchangers and multiple separators as a substitute for or in conjunction with a conventional methanol synthesis loop.

The invention discloses a power distribution room with a dehumidification and ventilation system. The power distribution room comprises a power distribution room main body, a high-voltage cabinet, a transformer, a low-voltage cabinet and the dehumidification and ventilation system. The bottom end of the power distribution room main body is in direct contact with the ground, a slope roof is arranged at the top end of the power distribution room main body, and the side wall of the power distribution room main body, the slope roof and the ground jointly define a power distribution room inner cavity; the high-voltage cabinet, the transformer and the low-voltage cabinet are arranged in the power distribution room inner cavity, and the dehumidification and ventilation system is arranged outsidethe power distribution room main body; ventilation openings are formed in the upper ends of the side walls of the power distribution room main body and provided with fine grids, and an anti-static floor is laid at the bottom end of the power distribution room inner cavity. According to the invention, natural resources are fully combined and utilized to form a complete set of ventilation and dehumidification system, safe and reliable operation of the power distribution room can be ensured, and the power utilization safety of users is improved; besides, convenience is provided for maintenance work, unnecessary resource waste is avoided, a lighting window is formed in the roof of the power distribution room, and a special sunshade blade curtain is arranged, so that lighting can be guaranteed,and direct sunlight irradiation can also be avoided.

The invention relates to a horizontal fire tube boiler with the tail provided with a gas-water heat tube heat exchange tube and belongs to the technical field of heating equipment. The horizontal fire tube boiler comprises a burner (1), a boiler body (2), a turning smoke chamber (3) and a coal economizer (4). The burner (1) is arranged at the front end of the boiler body (2), and the coal economizer (4) is arranged at the top of the boiler body (2). The horizontal fire tube boiler is characterized in that a gas-water heat tube heat exchanger (5) is arranged at the back of the coal economizer (4) and is also arranged at the top of the boiler body (2). According to the horizontal fire tube boiler, the flue gas temperature can be further reduced, even flue gas condensation is achieved, latent heat of vaporization is released, boiler efficiency is improved, the water inflow temperature of the boiler rises, and fuel consumption is reduced. Besides, the problem that blowing down overhauling occurs due to gas-water flow communication when a heat tube is damaged is solved. The horizontal fire tube boiler can be independently arranged based on existing boiler energy saving technology transformation.

The invention belongs to the fields of metallurgy and chemical industry, and specifically discloses a system and a method for preparing high-purity vanadium pentoxide powder through an efficient cleanchlorination method, wherein industrial-grade vanadium oxide is converted into vanadium oxytrichloride by combing fluidization and carbon chlorination, two-stage dust removal and four-stage leachingare performed to obtain crude vanadium oxytrichloride, and the crude vanadium oxytrichloride is subjected to purification, catalytic oxidation and calcination to obtain the high-purity vanadium pentoxide powder. According to the present invention, the too high furnace temperature is prevented by spraying the vanadium oxytrichloride slurry into the boiling chlorination furnace; the chlorine gas isregenerated by blowing clean oxygen-rich air into the catalytic oxidation fluidized bed; the hydrogen chloride is recycled by returning the hydrochloric acid to the catalytic oxidation fluidized bed;and the system and the method have advantages of strong raw material adaptability, self-circulation of chlorine gas, no vanadium-containing hydrochloric acid emission, low production energy consumption, low operation cost, stable product quality and the like, are suitable for the large-scale industrial production of high-purity vanadium pentoxide powder with the purity of more than 4N, and have good economic and social benefits.

The invention discloses a separation device for a reaction product of chemical fine organic synthesis. The separation device comprises a shell and a condenser, wherein an air inlet pipe is communicated to the side part, relative to a material liquid inlet, of the shell, and a hot-air blower is communicated to the side part of the air inlet pipe; a draining pipe penetrates through a base and is communicated to the outside; an exhausting pipe is communicated to the upper part of the shell; trays are mounted on the inner wall of the shell in staggered and equal interval manners, downcomers are mounted on the side parts of each group of the trays, through holes are formed in the middles of each group of the trays, and heat exchange pipes are mounted in each group of the trays; a hot water pumpis communicated to a water inlet end of a mother tube; an air inlet end of the condenser is communicated with the exhausting pipe; a cold water pump is mounted at the upper part of the condenser, anda spray nozzle is mounted at a water outlet end of the cold water pump; and a liquid collection tank is mounted at the lower part of the condenser, and a liquid discharging pipe is mounted at the side part of the condenser. According to the separation device, hot air is blown into the separation device through the hot air machine, and hot water is pumped into the separation device through a hot water pump, so that the heat exchange is effectively realized; and impurity gas is collected through the cooling of the condenser.

Heating of technical equipment limits the service life and performances of equipment on many occasions, and the heat dissipation problem becomes an important problem. Heat conduction is a key task in some other devices such as a heat exchanger. The novel radiator disclosed by the invention utilizes a nucleate boiling vaporizing principle that liquid on the surface of a solid generates bubbles quickly when the liquid is heated. A working medium is boiled for vaporization and condensed in different elements of a circulating loop respectively, namely a boiling chamber and a condensation chamber, the working efficiency is improved and the system structure is simplified. Compared with other types of radiators, the novel radiator can absorb, export and emit more heat in the case of the same contact area. Meanwhile, a fan can be avoided, or the fan can operate at a lower rotation speed and thus the noise is reduced. The novel radiator can be applied to occasions requiring efficient heat dissipation or heat transfer, such as heat dissipation of a computer chip.

The invention provides a system for efficient condensed air water collection. The system comprises a solar cell panel (1), a thermoelectric piece (2), a substrate (3) and a water collecting container (4). The solar cell panel (1) is connected with the thermoelectric piece (2) to provide needed working electric power for the thermoelectric piece, the substrate (3) is connected to the cold end of the thermoelectric piece (2), the water collecting container (4) is a U-shaped box, the top end of the U-shaped box is provided with an air feeding fan, the bottom of the U-shaped box is provided with an exhaust fan, the inner wall of the box is provided with the thermoelectric piece, the hot end of the thermoelectric piece is connected with a metal radiator, and the solar cell panel is connected with the thermoelectric piece. A thermoelectric refrigeration technology is adopted, solar energy or a battery is fully utilized to provide power for thermoelectric refrigeration, and the dew-point temperature is reduced. According to the method, the problems of high energy consumption, large noise and large device size in the prior art can be solved, a water condensation surface is a superhydrophobic surface with a nano-structure, and the water collecting efficiency can be greatly improved.

The invention discloses a water evaporative refrigeration system. Refrigeration is conducted according to the one-to-one correspondence relationship between the boiling point temperature of water andthe pressure. The water evaporative refrigeration system is mainly composed of an evaporator, a condenser and a negative pressure pumping device; the evaporator is mainly composed of a plurality of unit negative pressure cavities, an air supplying fan and an air outlet. Treated air flows in an air flue among all the unit negative pressure cavities, the interiors of the cavities can be pumped to bein different pressures according to the actual refrigeration temperature, and thus liquid water evaporates in the cavities to absorb the heat of the processed air; the negative pressure pumping device pumps out water vapor evaporated in the evaporator in time and exhausts the water vapor to the condenser, the set negative pressure in the negative pressure cavities of the evaporator can be maintained, the corresponding pressure when the water boiling point in the cavities of the condenser is equal to the environment temperature can be ensured, a valve located on a small pipeline a outside theevaporator can adjust the circulating water flow of the system, and thus the purpose of adjusting the refrigeration amount of the system is achieved indirectly.

The invention provides an ammonia-water mixed working medium thermodynamic cycle system for low-grade thermal power generation. The system comprises an absorption condenser, an ammonia-rich solution pipeline, a solution pump, a heat regenerator, a heat source fluid runner, an evaporator, a gas-liquid separator, a superheater, an ammonia-water mixed steam pipeline, a steam turbine, a main power generator, a cooling water heat exchanger, an absorption liquid pipeline, a water turbine, an auxiliary power generator, a back pressure adjusting valve and an absorption liquid sprayer. According to thesystem, the chemical absorption mode is adopted to promote condensation of ammonia-water mixed steam, partial ammonia gas is enabled to react with an absorbent to stably exist in the liquid phase inthe form of ammonia ions or complex ammonia, the concentration of the ammonia in a solution can be remarkably improved under the condition that partial pressure of the ammonia gas in the gas phase isnot increased, so that condensation of the ammonia-water mixed steam can be realized under the low backpressure. The solution is heated in the evaporator, along with continuous increasing of the temperature, the hydrated ammonia, the ammonia ions and the complexing ammonia are resolved to release the ammonia gas, and the absorbent is regenerated while only the ammonia and water in volatile components are evaporated in a temperature-changing mode.