95results about How to "Achieve evaporation" patented technology

The invention relates to a composite thin film integrating photothermal conversion performance and adsorption characteristics as well as preparation and application of the composite thin film. The composite thin film comprises a substrate and a functional film which is deposited on the substrate and integrates the photothermal conversion performance and the adsorption characteristics, wherein the substrate is a micro-nano thin film with a porous structure; the functional film is made of nonmetal inorganic substances integrating the photothermal conversion performance and the adsorption characteristics. The composite thin film is placed on the upper surface of a to-be-adsorbed solution and is enabled to float on an interface of the solution and air and be sufficiently contacted with the solution, the functional film effectively adsorbs pollutants in the solution, and the purpose of adsorbing the pollutants is achieved; meanwhile, the floating composite thin film is illuminated, a photothermal conversion effect of the nonmetal inorganic substances in the composite thin film is triggered, a local heating effect is generated at the interface of the solution and air, and rapid evaporation of a solvent is promoted, so that the pollutants are accelerated to be diffused into and adsorbed by the composite thin film. The method adopting the composite thin film for sewage purification has the advantages of high adsorption capacity, high adsorption rate, high interface heating and evaporating speed and the like.

The invention discloses an all-in-one device for evaporation / condensation heat transmission testing in a micro pipe and a testing method thereof. The device comprises a refrigerant circuit and a heat exchange circuit in testing section, wherein the refrigerant circuit comprises a recovery tank, a power pump, a regulating valve, a refrigerant mass flow meter, a regulating testing circuit in parallel composed of a condensation preheating passage and an evaporation preheating passage, a inner pipe in testing section and a condenser; a inlet of the power pump is connected with the recovery tank; an outlet is connected with the refrigerant mass flow meter; the inlet of the regulating testing circuit in parallel is connected with the refrigerant mass flow meter; the outlet of the regulating testing circuit in parallel is connected with the inner pipe in testing section; a refrigerant outlet of the inner pipe in testing pipe is connected with the condenser; and the heat exchange circuit in testing section comprises a outer pipe in testing section and a heat exchanger, a water heater, a water pump and a water mass flow meter in sequent communication. By using the power pump to control the refrigerant flow and using the evaporation preheater / condensation preheater to control the dryness of the refrigerant and using the heat exchange circuit in testing section to control the heat exchange in the testing section, the invention respectively realizes evaporation and condensation heat transmission testing in a micro pipe.

The present invention discloses a desulfurization wastewater pre-evaporation zero discharge treatment apparatus, which comprises a denitration device, an air preheater, a dust remover and a desulfurization tower, wherein the denitration device the air preheater, the dust remover and the desulfurization tower are sequentially communicated through pipelines, the desulfurization tower is communicated to a wastewater box, the wastewater box is provided with an evaporator, an atomization nozzle is arranged inside the evaporator, the wastewater box and the evaporator are communicated through a wastewater pipeline, the evaporator is respectively provided with a gas pipeline and a wet gas pipeline, the gas pipeline is connected to the pipeline between the denitration device and the air preheater, and the wet gas pipeline is connected to the pipeline between the air preheater and the dust remover. Compared with the apparatus in the prior art, the apparatus of the present invention has the following characteristic that the high temperature gas flow is introduced to enhance the heat exchange between the high temperature gas flow and the desulfurization wastewater, such that the complete evaporation of the desulfurization wastewater during the being discharged out of the evaporator is achieved, the solid particles in the wastewater are re-collected after being dried, and the desulfurization wastewater zero discharge effect is achieved.

A process for preparing aluminum hydroxide from sodium aluminate solution by electrolysis includes such steps as adding sodium aluminate slurry into the electrolyzer with anode made of Ti, cathode made of Ni or stainless steel and Na ion membrane, electrolyzing, adding crystal seeds to the solution in anode region to preare aluminum hydroxide, and using the solution in cathode region to extract from ore. The high-purity H2 and O2 can be also generated and used for H-O fuel battery.

The invention discloses a self-cleaning heat dissipation type monitoring camera. The self-cleaning heat dissipation type monitoring camera comprises a mounting base and a camera body, a fixing ring isarranged on the mounting base; a rotary drum is fixedly mounted in the fixing ring; a light-transmitting plate is connected to an opening of the rotary drum in a sealed mode, an installation drum iscoaxially and rotationally installed in the rotary drum, the opening of the installation drum is connected with the side wall of the light-transmitting plate in a sealed and sliding mode, partition plates are symmetrically connected to the outer wall of the installation drum, and the end, away from the corresponding installation drum, of each partition plate is connected to the inner wall of the rotary drum in a sealed and sliding mode. A driving agent is used for driving the rotary drum to rotate back and forth, so that the plurality of cooling cavities perform heat dissipation and cooling onthe camera body in a reciprocating manner, the working temperature of the camera body is ensured to be proper, and meanwhile, the annular air bag is used for intermittently performing force storage blowing on the light-transmitting plate, so that dust adhered to the light-transmitting plate can be effectively blown off, and the use effect of the camera body is ensured.

The invention belongs to the technical field of an agricultural thin film, and discloses a preparation method of a full-degradable soil moisture preservation agricultural mulching film. The agricultural mulching film is prepared from the following raw materials in parts by weight: 20 to 40 parts of poly-hydroxyalkanoate polymers, 8 to 15 parts of fatty ester condensation polymers, 20 to 30 parts of sea algae extracts, 100 to 150 parts of n-hexane, 30 to 40 parts of okra straw and leaf powder, 5 to 10 parts of corn stigma, 3 to 5 parts of modified clay powder, 10 to 15 parts of film forming agents, 5 to 12 parts of cross linking agents, 3 to 5 parts of photosensitizers and 8 to 15 parts of optional functional auxiliary agents. The mulching film provided by the invention has the advantages that the film forming effect on the ground surface is good; the speed is high; the automatic full degradable effect can be achieved; the effects of soil moisture preservation and temperature rise can be achieved; the functions of improving the soil structure and improving the soil fertility are realized.

The invention relates to a high-accuracy organic light-emitting device (OLED) component preparation device and method. The device comprises an evaporation source array, a substrate, a transmission device and a mask plate, and the mask plate is matched with the evaporation source array. A plurality of evaporation sources are arrayed to form the evaporation source array. Materials in the evaporation sources are evaporated vertically upwards to the substrate. Evaporating-plating of the substrate is completed due to the fact that the substrate or the evaporation source array are driven by the transmission device to move, so that an OLED component is formed. According to the high-accuracy OLED component preparation device and method, the distance between the substrate and the mask plate is enlarged, and the influence exerted on evaporating-plating by the mask plate is reduced; the distances between the substrate and the evaporation sources are reduced, so that the evaporation materials are less diffused into the evaporating environment, and the evaporation materials are saved; and in addition, the intervals between every two evaporation sources are reduced, the intervals between every two holes in the mask plate are reduced, the point-to-point evaporation is achieved, the number of subpixels within a unit area is increased, and the preparation of the OLED component with high accuracy is achieved.

The invention belongs to the field of methanol engine cold start, and discloses a multi-stage injection methanol engine cold start device and method. The device comprises a methanol evaporation and cracking module and a methanol multi-stage injection and ignition module, the methanol evaporation and cracking module comprises a first air inlet passage, a combustion chamber, an evaporation and cracking chamber and an exhaust pipe which are sequentially connected, and the methanol multi-stage injection and ignition module comprises a methanol box, a methanol high-pressure oil rail, a methanol pump, a first-stage methanol injector, a second-stage methanol injector, a sparking plug and a controller. The invention further discloses a multi-stage injection methanol engine cold start method. Methanol cracking gas can be prepared under the condition of low ambient temperature by multi-stage methanol injection and single ignition under the condition of cold start, and the methanol cracking gas and the uncracked methanol gas are introduced into an engine together to realize rapid cold start of the pure methanol engine. The device has the advantages of being high in stability, low in electricity consumption and easy to produce in an industrialized mode.

The invention provides a liquid vaporizing method and a device used for actualizing the method. The liquid vaporizing method comprises that: (1) the liquid is granulated; (2) the granulated liquid is heated so as to lead at least a part of liquid is vaporized. Methods of ultrasonic, sprinkling or spraying are used for granulating the liquid. The heating can be carried out by types of electric heating, fuel gas heating or flame heating. Therefore, equipment which uses the method can be used for humidifiers, solution concentration devices and steam power plants. By the liquid vaporizing method, faster vaporization of liquid can be realized with less energy consumption.

The invention provides a negative-pressure pulse cooperated ordinary pressure radio-frequency spouted-bed drying device and application thereof and belongs to the technical field of agricultural product and food drying and processing technologies and mechanical device manufacturing. The spouted-bed drying device makes a wet material arranged in a spouted bed heated between left and right electrodeplates under the effect of a radio-frequency field, material moisture is evaporated under the effects of an air blower and a dehumidification fan, and spatial motion and uniform dispersion of the material are achieved under the effect of negative-pressure pulse spouting. Tradition air drying is replaced by ordinary pressure radio-frequency spouted-bed drying, the wet material drying efficiency isimproved, the drying time is shortened, the drying power consumption is reduced, and the uniformity of dried products is improved. Uniform material dispersion is achieved by adopting negative-pressure pulse spouting, the problems such as adhesion, agglomeration, poor quality, time and effort waste and the like in the ordinary pressure drying process of high-adhesion materials are solved, energy is saved by 40% or above, the uniformity is improved by 90% or above, and ordinary pressure efficient energy-saving and high-quality drying of agricultural products and foods is achieved.

The invention relates to a two-channel chimney device, a seawater desalting device and a method for forming two airflow channels. The two-channel chimney device comprises a heating chamber, an ascending air channel communicated with the heating chamber, and a descending air channel, wherein an outlet of the descending channel is communicated with the heating chamber, air flow paths among the descending air channel, the heating chamber and the ascending air channel enable gas, which is expanded under heating, in the heating chamber to enter the ascending air channel by virtue of a chimney effect, and gas is also introduced into the heating chamber through the descending air channel. By virtue of the two-channel device, heat energy generated by desalting seawater can be efficiently reused, and the loss of heat in the heating chamber can be reduced. According to the invention, the defects of seawater desalting by solar energy in the prior art are overcome, the seawater desalting ratio is improved, the energy consumption is reduced, and the construction and maintenance costs are low.

The invention discloses a three-dimensional structure electrothermal evaporation fabric, a preparation method and application. The fabric comprises an electrothermal evaporation layer, a floating thermal insulating layer and a water absorption layer which are attached in sequence and combined into a whole through binder yarns. The preparation method comprises the steps that warp yarns are arrangedaccording to the selection scheme of yarns; weft yarns of all layers are introduced; the binder yarns are mutually interwoven to weave the warp yarns and the weft yarns of all layers into a whole; coiling is conducted through a stepping motor; after multiple circulation, the fabric is taken down from the machine. The two ends of electrothermal fiber in the electrothermal evaporation layer are connected with electrodes, and water of the electrothermal evaporation layer is heated and evaporated by means of heat generated by the electrothermal fiber. The fabric can float on the water surface, the binder yarns transfer the water to the electrothermal evaporation layer from the water absorption layer, after the electrothermal evaporation layer is energized, electric energy is converted into heat, and rapid evaporation of the water is achieved. The fabric has the three-dimensional integrated structure, the mass is low, the strength is high, the structure is simple, and industrialization production can be achieved; an important application prospect is achieved in the field of sea water desalination and sewage treatment.

The invention relates to the technical field of photothermal conversion, and aims to provide a photothermal conversion device based on hydrophilic carbon felt and application thereof. The photothermalconversion device comprises top absorbing bodies, middle water conveying bodies, and a bottom thermal insulation support body capable of floating on the surface of liquid; multiple vertical hole waysare formed in the thermal insulation support body at intervals; the water conveying bodies are inserted in the hole ways; the two ends of the water conveying bodies extend out of the upper and lowersurfaces of the thermal insulation support body, and the upper sections are directly exposed in air; and the top absorbing bodies are the flaky hydrophilic carbon felt, and are naturally placed at thetops of the water conveying bodies to realize supporting. The thermal insulation support body is higher in heat resistance, so that the downward transfer of heat absorbed by the top absorbing bodiesfrom sunlight is prevented, and the heat efficiency of the whole device is higher. The micro-nano hole ways at the upper sections of the water conveying bodies make direct contact with an air interface to achieve a higher saturated vapor pressure; water can cool the whole device during volatilizing; and the heat can be obtained from the environment to be nearer the thermodynamics evaporation limit.

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 relates to the field of liquid evaporation and concentration, especially to a low-temperature liquid evaporator. The low-temperature liquid evaporator comprises a water storage unit, a heat transfer unit and an evaporation unit which are connected through pipelines. The heat transfer unit at least heats a liquid by 3 DEG C. The evaporation unit comprises an evaporator and a drawing fan. The evaporator has an air inlet. The drawing fan can form a micro-negative pressure environment inside the evaporator. After the liquid flows through the heat transfer unit from the water storage unit, the liquid reaches the micro-negative pressure environment of the evaporation unit to be evaporated and become a concentrated liquid, and the concentrated liquid flows back to the water storage unit. By circulating and repeated concentration, crystals are precipitated out. According to the low-temperature liquid evaporator, by using difference between partial pressure of water vapor and partial pressure of saturated vapor as evaporation driving force, the evaporation process can meet the evaporation requirement only by heating by 3 DEG C under the micro-negative pressure condition, and low-temperature evaporation of the liquid is realized. Thus, evaporation condition and cost are greatly reduced, zero-discharge treatment of high-salinity wastewater such as high-sulfur wastewater, electroplating wastewater, etc. is achieved, and the ecological environment is protected.

The invention discloses a ceramic type indoor humidifier. The ceramic type indoor humidifier comprises a water storage base, a ceramic core and a heating assembly, and is characterized in that the ceramic core is arranged in the water storage base; water storage cavities are formed in the water storage base; the heating assembly is arranged on the outer surface of the ceramic core. The ceramic type indoor humidifier adopts a ceramic type structure, so that the requirements of humidifying uniformly and moderately can be met; through a porous ceramic core and by combining water absorbing cotton sleeves which are arranged in the porous ceramic core, the ceramic core can be attached with water at any time; in such a manner, water is vaporized under the heating of ceramic heating pieces; moderate performance of indoor heating is improved; the ceramic type indoor humidifier is provided with longitudinal flow channels, so that steam can flow out from different positions; transverse flow channels can fix the water absorbing sleeves and can also enhance of the attachment of the water to the ceramic core, so that a water vaporizing effect in the ceramics is ensured; according to the ceramic type indoor humidifier, the ceramic heating pieces are adopted for heating, so that the heating is uniform and a dehumidifying effect is good.

The invention discloses a petroleum drilling waste water processing system and a method for processing petroleum drilling waste water. The petroleum drilling waste water processing system comprises a storage tank, a filter, a charge pump, an evaporation device and a concentrate circulating pump, the storage tank is used for precipitating the drilling waste water, the filter is communicated to an inner chamber of the storage tank through a pipeline and is used for filtering granular impurity in the drilling waste water, the charge pump is connected to the filter through the pipeline and is used for extracting the drilling waste water in the storage tank, the evaporation device is connected to the charge pump through the pipeline and is used for performing evaporative concentration to the drilling waste water, the concentrate circulating pump is connected to the evaporation device through the pipeline and is used for extracting a concentrate in the evaporation device, and the concentrate circulating pump is connected to the storage tank through the pipeline and is used for injecting the concentrate in the storage tank for storage. According to the invention, the system is used for processing the petroleum drilling waste water, can realize evaporation of the drilling waste water under condition that electric energy consumption is little, and can avoid atmosphere pollution and underground water pollution due to direct evaporation of sewage in current sunning pools.

The invention provides a method for treating high-concentration wastewater. The method comprises the following steps: preheating raw water in a raw water tank and then feeding the preheated raw water into an evaporation chamber, and feeding the raw material into the top of the evaporation chamber through a circulating pump so that the water flows downwards along the surface of an inclined plate in the evaporation chamber; blowing air at the air inlet to contact the air with the water layer on the surface of the inclined plate to generate saturated wet air, discharging the saturated wet air out of the evaporation chamber via an air outlet to feed into a condensation chamber for cooling in the condensation chamber; lifting the concentrated liquor flowing into the bottom of the evaporation chamber to the top of the evaporation chamber by an evaporation chamber circulating pump for cyclic evaporation; and when the concentrated liquor in the evaporation chamber is saturated and crystalized, discharging the crystals out of the evaporation chamber via a crystal discharge hole to enter into a crystal treatment system, and returning the liquor obtained after treatment back to the raw water tank, and recycling the precipitate. The method and the system for treating the high-concentration wastewater are used for solving the problems of low evaporation efficiency, easy equipment scaling, heavy corrosion and high cost of current high-concentration wastewater treatment.

The invention discloses molecular sieve activated powder production equipment and a molecular sieve activated powder production method, the molecular sieve activated powder production equipment comprises a processing tank and an electric baking plate, the outer side wall of the processing tank is fixedly connected with a driving motor, the outer side wall of the processing tank is fixedly connected with a feeding pipe, and the inner side wall of the feeding pipe is rotatably connected with a transmission rod, dredging blades are fixedly connected to the outer side wall of the transmission rod, the tail end of the transmission rod penetrates through the outer side wall of the feeding pipe, a second bevel gear is fixedly connected to the tail end of the transmission rod, a first bevel gear is fixedly connected to the outer side wall of an output shaft of the driving motor, and a supporting plate is fixedly connected to the inner side wall of the processing tank, temperature in materials is transmitted through water flow, cooling of the molecular sieve activated powder is achieved in the process, stirring blades begin to rotate in the water flow flowing process, materials can be fully cooled, the cooling time of the molecular sieve activated powder is greatly shortened, and the processing rate of the whole device is increased.

The invention provides a solar water desalination system based on a carbon composite material hollow fiber membrane, and a method thereof. The desalinated water system comprises: a membrane assembly,which is provided with a water inlet, a water outlet and a steam outlet, wherein the water inlet and the water outlet are connected with a to-be-treated working medium and form a circulating system with the to-be-treated working medium, the membrane assembly is used for absorbing solar energy to heat the working medium in the membrane assembly into steam, and the steam flows out through the steamoutlet; a condensed water tank connected with the steam outlet, wherein an S-shaped coil pipe is arranged in the condensed water tank, and the condensed water tank is used for cooling steam into condensed water; and a condensed water collecting bottle connected with the condensed water tank and used for collecting the condensed water cooled by the condensed water tank. The system has the advantages of low cost, simple structure and high efficiency, and is suitable for daily desalination requirements of coastal residents or fishermen.

The invention provides a desulfurization wastewater treatment system. The desulfurization wastewater treatment system comprises a wastewater buffer tank, a pretreatment system, a bicarbonate medication device and a dual-fluid atomizing nozzle, wherein the pretreatment system is arranged at an inlet end of the wastewater buffer tank; the bicarbonate medication device is used for adding bicarbonate into the wastewater buffer tank; and an air compressor is connected to an air inlet of the dual-fluid atomizing nozzle, and a water inlet of the air compressor is connected with a water outlet of the wastewater buffer tank. After entering a flue, desulfurization wastewater is evaporated under the action of waste heat of flue gas; the desulfurization wastewater reacts with SO3 in flue gas; the desulfurization wastewater easily generates decomposition reaction when being heated; by virtue of carbon dioxide generated in two reactions, the perturbation of liquid drops cane be further accelerated, and secondary fog drops are easily generated, and meanwhile, the heat and mass transfer processes of fog drops and flue gas must be accelerated by virtue of reaction between gas and liquid phases; and besides, generated carbonate can rapidly react with a small amount of soluble calcium and magnesium ions in the desulfurization wastewater so as to form a core and release heat, so that the evaporation time of the fog drops can be effectively shortened, and a wastewater zero discharging effect is improved.

The invention relates to pressure change evaporative type chemical fiber fabric drying equipment. The pressure change evaporative type chemical fiber fabric drying equipment comprises a negative pressure generation unit located at the bottom, a one-way valve connection mechanism located in the middle, and a fabric transport cavity located at the top. The negative pressure generation unit comprisesa negative pressure piston cylinder body, and one end of the negative pressure piston cylinder body is connected with a one-way valve connection cavity which is internally provided with the one-way valve connection mechanism. The two transverse sides of the fabric transport cavity are provided with flat fabric transport holes, a fabric drying cavity is formed in the middle of the fabric transportcavity and internally provided with a fabric drying plate, the bottom of the fabric drying plate is connected with a floating plate through a water absorption block, and the top of the fabric dryingplate is connected with a water pressing plate through a water absorption block. The two transverse sides of the fabric drying cavity are provided with sliding grooves correspondingly, and the bottomsof the sliding grooves are elastically connected with the ends of the fabric drying plate through expansion springs. The top of the fabric drying cavity is provided with a pressure limiting valve, and the bottom of the fabric drying cavity is connected with the one-way valve connection cavity.

The invention discloses a microwave denitration device. The device is used for converting a neptunium nitrate / plutonium nitrate solution into neptunium oxide / plutonium oxide powder. The device is composed of a microwave generator, a microwave transmission line, a control system, a radioactive sealing box chamber, a microwave cavity and a material container. According to the device provided by the invention, microwave heating is used for concentrating and solidifying a tail end product solution in the nuclear fuel post-treatment process, so that the spent fuel post-treatment process is simplified.

The invention relates to an anti-oxidation repair mask and a preparation method thereof and belongs to the technical field of cosmetics. Through the high-efficiency antibacterial property of oxidizedsodium alginate, bacteria are killed, a suitable environment is provided for new cells, the production of new collagen elastin and collagen is promoted, cell growth is promoted, the repair of inflammatory aging skin is realized, a protective film is formed on the surface of the cell to reduce the evaporation of moisture on the surface of the skin, water is freely diffused to the stratum corneum, the functions of effectively moisturizing the skin and protecting the cell membrane are obtained, a protective film is formed in the extracellular matrix and the evaporation of water on the skin surface is reduced so that the effect of moisturizing and moistening the skin is obtained. Under strong ultraviolet rays, a special protective film is formed on the cell surface to prevent sunburn, reduce melanin precipitation, effectively prevent aging, relieve local inflammatory reaction of facial hormone-dependent dermatitis and improve facial discomfort so that the facial skin barrier function of the patient is slowly recovered.

The invention provides a refrigerator. The refrigerator comprises a refrigerator body and a compressor bin. A compressor, a condenser and a first water pan located at the lower side of the condenser are arranged in the compressor bin. The refrigerator body is provided with a drainage system communicated with the compressor bin, the drainage system is communicated with the first water pan through a drainage pipe, a second water pan arranged at the upper side of the condenser is further included, the drainage system is communicated with the second water pan through a drainage pipe, the second water pan is provided with a plurality of drainage holes, and condensed water in the second water pan drips onto the condenser through the drainage holes and flows into the first water pan along the condenser. The refrigerator is simple in structure, capable of effectively removing dust of the condenser, capable of achieving cyclic utilization of defrosting water of the evaporator and high in resource utilization rate.

The invention relates to a condensate evaporator for a refrigeration device, comprising at least one evaporator and a compressor (10). The condensate evaporator comprises a receiving chamber (12) for the condensation water to be evaporated and developing in the refrigeration device. The receiving chamber (12) is in thermal contact with the compressor (10) and is heated by the exhaust heat of the compressor (10) in order to produce water vapor from the condensation water.

The invention belongs to the field of organic charge transfer co-crystals, and particularly relates to an organic charge transfer co-crystal based on a persistent cationic free radical receptor as well as a preparation method and application of the organic charge transfer co-crystal. The invention relates to an organic charge transfer eutectic, which is a one-dimensional organic charge transfer eutectic formed by interaction of TMB, ABTS +. And water molecules. The absorption spectrum of the organic charge transfer eutectic crystal is 300 to 2500nm; porous polyurethane with a low heat conductivity coefficient is selected as a frame material, interface solar heat conversion is facilitated, heat energy is efficiently utilized to realize evaporation of water molecules, and the composite material has a wide application prospect in the aspect of solar-driven seawater desalination.

The invention discloses an energy-saving filtering device for agricultural drip irrigation water. The device comprises a water storage tank and a top plate, wherein the water storage tank and the topplate are spliced together, a transparent glass plate is arranged in the center of the top plate, a partition plate is fixedly connected into the water storage tank, and a piston plate is connected into the water storage tank in a sealed and sliding mode. According to the invention, raw water can be evaporated by means of photo-thermal energy contained in sunlight, and the evaporated water vapor is condensed to achieve distillation purification so as to remove impurities, acid-base property and salt contained in water, so that the filtering effect is achieved, it is avoided that the water is acidic or alkaline due to poor water quality when the raw water is directly irrigate, the adverse effects on growth of plants planted in a farmland water due to high salt content in a water body is avoided, the device is energy-saving, and reflected light can stably irradiate a substrate by adjusting the height of a reflecting ring and matching different sunlight incident angles in different time periods according to the outside air temperature.

The invention discloses a power equipment dehumidification device, which comprises a device body, anti-noise rubber plates and a storage battery, wherein the anti-noise rubber plates are arranged on the inner side wall of the device body, a heat exchanger is arranged between the inner walls of the anti-noise rubber plates on one side of a first filter screen, a second filter screen is arranged between the inner walls of the anti-noise rubber plates on one side of a semiconductor condensation sheet, a humidity sensor is arranged on one side of the second filter screen below a water collecting plate, an evaporator is arranged between the semiconductor condensation sheet below the humidity sensor and the second filter screen, a water tank is arranged on the inner wall of the anti-noise rubberplate below the evaporator, a heater is arranged in the water tank, and a moisture exhaust fan is arranged between the inner walls of the anti-noise rubber plates on one side of the second filter screen. According to the invention, a solar cell panel is arranged above the device body, so that the energy-saving and environment-friendly functions are realized, and the device is easy to popularize and use.

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.