106results 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.

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.

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 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 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 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 provides a gas condensation and low-temperature working fluid power generation system and technology and relates to the technical field of gas condensation liquefaction and cryogenic power generation. The system includes a cryogenic working medium memory, a cryogenic liquid pump, an exhaust steam regenerator, a main heat exchanger, a cryogenic working medium steam turbine and an exhaust steam regenerator which are communicated in sequence; a cold box is composed of a main heat exchanger and a heat insulation shell. Cryogenic liquid absorbs latent heat and sensible heat to form gas at room temperature, liquid with the lower boiling point is used for absorbing the latent heat and sensible heat of gas, and if the temperature is lower than the condensation temperature of the gas,the gas can be condensed into liquid; meanwhile a power generation working medium with the lower temperature absorbs heat energy of the gas and is gasified to form high pressure so as to drive the cryogenic working medium steam turbine to generate power, the power generation working medium with the lower temperature is used for absorbing heat energy originally compressed and discharged by a compressor and thus gasified to form high pressure so that the steam turbine or an expansion machine can be driven to generate power, the latent heat and sensible heat stored in to-be-condensed gas is usedfor power generation, and multiple purposes are achieved.

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.

The invention discloses polishing type mildew-removing putty with a mirror surface function for building decoration. The putty comprises double components: powder A and slurry B. The putty is mainly prepared by aluminum silicate, calcium fluoride, anhydrous cupric sulfate, white cement, talc powder, a water repellent, a dye, urea, calcium hydroxide, melamine, EVA emulsion, ethanol, deionized water and the like in a special process condition. During decorative construction, the components A and B are uniformly mixed to be scraped and used. According to the polishing type mildew-removing putty with the mirror surface function, the initial setting time is 4h, the 3d compressive strength reaches 3.0MPa and the 3d bonding strength is greater than 1.2MPa, and the putty which is polished has a mirror surface effect of 40-50 glass units, zero emission of VOC, the highest level zero level mildew removal, and steps of leveling putty, laminating wallpaper (swabbing) in a decorative finishing process of a building and the like are integrated.