685 results about "Evaporation chamber" patented technology

The invention relates to electron beam evaporation coating equipment and an application method thereof. The electron beam evaporation coating equipment comprises an evaporation chamber, an electron gun system, a first vacuumizing system, a heating table mechanism, a sample table mechanism and an ion source system, the sample table mechanism is rotationally connected with the heating table mechanism, and the sample table mechanism comprises a substrate clamping part for clamping a substrate; the ion source system is connected with the top of the evaporation chamber and is used for cleaning the substrate; the first driving system is used for driving the first rotating shaft to rotate; the second driving system is used for driving the second rotating shaft to rotate; the second rotating shaft drives the heating table mechanism and the sample table mechanism to synchronously and integrally overturn; and when the sample table mechanism turns over to enable the substrate clamping part to be opposite to the ion source system, the substrate can be placed, cleaned and turned over. The device can be turned over to a specific angle, the interaction between film bases can be improved through special dip angle film coating, and the binding force is improved. The sample table mechanism can turn over to enable the substrate to directly face the ion source system.

A zero liquid brine desalination and crystallization system includes a humidification dehumidification (HDH) desalination system and includes a crystallization system. The HDH system includes a humidifier configured to humidify a carrier gas using saline water, and a dehumidifier configured to dehumidify the carrier gas to obtain desalinated water. The crystallization system is configured to receive the saline water from the HDH desalination system and includes an evaporation chamber configured to produce salt crystals and water vapor from the saline water, and a condenser configured to condense the water vapor. Herein, the HDH desalination system and the crystallization system are connected at the condenser for heat exchange between the water vapor and at least one selected from the group consisting of the saline water and the carrier gas.

The invention provides a process optimization analysis system for vacuum concentration, which comprises a multi-source sensing module for acquiring temperature gradient distribution, vacuum degree dynamic waveform, material rheological characteristics and phase change latent heat parameters of an evaporation chamber in real time by adopting a distributed sensor array; the digital twin modeling module is used for constructing a hidden Markov chain model of process parameters and concentration kinetics based on transfer learning, and generating an adaptive covariance matrix by fusing historical batch data; the multi-objective optimization module is used for solving a Pareto frontier solution set in a non-convex solution space by adopting a mixed integer dynamic programming algorithm, and synchronously optimizing an energy efficiency ratio, a product yield and an equipment life index; and the adaptive execution module predicts and controls the hysteresis effect of the real-time compensation system through a nonlinear model, and establishes a double-closed-loop anti-interference regulation mechanism. Accurate sensing, dynamic modeling, multi-objective optimization and self-adaptive execution of the concentration process can be realized, the concentration efficiency, the product quality and the equipment operation stability are improved, and the process intelligence level is improved.

The invention provides a dilution refrigeration system adopting modularized parallel connection, and relates to the technical field of mK-level dilution refrigeration, the dilution refrigeration system comprises a plurality of dilution refrigeration units and a transmission pump set, the plurality of dilution refrigeration units share one transmission pump set, and each dilution refrigeration unit is characterized in that a 3He concentration phase and a 3He dilution phase are stored in a mixing chamber; the evaporation chamber is communicated with a 3He dilution phase and is used for separating 3He steam from the 3He dilution phase; the gas flow adjusting device is connected between the evaporation chambers and the transmission pump set, the transmission pump set extracts at least one part of 3He steam in each evaporation chamber, and the gas flow adjusting device partially receives the 3He steam output from the transmission pump set and at least partially liquefies the 3He steam received from the transmission pump set to form 3He fluid flowing back to the mixing chamber; the multiple gas flow adjusting devices of the multiple dilution refrigeration units adjust the pipe diameters of the respective gas pipelines correspondingly, so that the 3He fluid flowing back to the mixing chambers of the multiple dilution refrigeration units is subjected to the same resistance.

The invention discloses a method for preparing micro-nano magnesium hydride powder, which comprises the following steps: in a vacuum environment I, heating a magnesium raw material to form magnesium steam, and simultaneously introducing trace carrier gas I; in the vacuum environment II, magnesium steam is conveyed through the trace carrier gas I to be mixed with the carrier gas II to form mixed gas, meanwhile, the mixed gas is made to rapidly flow through the injection evacuator, the magnesium steam is cooled and hydrogenated, and the micro-nano magnesium hydride powder is formed. Compared with the prior art, the gasification efficiency of magnesium is higher, the magnesium is taken away by airflow, residues in an evaporation chamber are less, the utilization rate of the magnesium is high, produced magnesium powder is directly brought into the next link through hydrogen carrier gas, the processes of passivation, bin opening, powder taking and the like are omitted, magnesium powder conveying is more efficient and safer, and the production cost is reduced. Through the pre-hydrogenation of the magnesium powder and the shearing action of the carrier gas of the high-speed hydrogen, the generated magnesium powder particles are smaller, the magnesium hydride powder particles generated after hydrogenation are smaller, the activity is better, and the technical process is easier to realize large-scale amplification and automatic control.

The invention belongs to the related technical field of ink-jet printing decompression film forming, and particularly relates to a large-size panel film forming consistency optimization method for ink-jet printing, which comprises the following steps of: in a liquid drop evaporation film forming process, adopting three groups of observation components, film forming images of the center, the edge and the corner area of the printing substrate located in the cavity are observed above the large-size reduced pressure evaporation cavity; processing the film forming image of each region, and extracting the current droplet volume of a single pixel pit of each region; determining a difference value between a preset current reference volume and a current droplet volume of a single pixel pit in each region, and determining a target temperature of the corresponding region in combination with a relational expression based on the temperature and the evaporation speed; based on the difference between the target temperature and the actual temperature, the temperature of the area is controlled through a temperature controller of the corresponding area; and the steps are circulated until the liquid drops on the printing substrate are completely formed into the film or the process time is over. According to the invention, the consistency of reduced pressure evaporation film formation can be realized on line.

The utility model relates to refrigeration equipment, which comprises a box body, a refrigeration chamber and an evaporation bin are formed in the refrigerator body; an evaporator is arranged in the evaporation bin; the drain pipe is arranged in the box body, and the upper end of the drain pipe is communicated with the evaporation bin; the water receiving box is arranged below the drainage pipe, and a water receiving cavity is formed in the water receiving box; the lifting mechanism comprises a lifting cover and a driving part; the lifting cover is arranged below the drainage pipe and connected with the driving end of the driving part, and the driving part can drive the lifting cover to ascend or descend so that the top face of the lifting cover can block or open the lower end opening of the drainage pipe. According to the refrigeration equipment, when water vapor in the water receiving cavity flows back to the evaporation bin through the drainage pipe, the water vapor flowing back to the evaporation bin can be prevented from frosting again on the evaporator, the frosting amount on the evaporator can be reduced, the starting interval of a defrosting program of the evaporator can be prolonged, and the defrosting efficiency of the evaporator is improved. And therefore, the power consumption of the refrigeration equipment can be reduced.

The invention belongs to the technical field of system heat management, and discloses a sodium electricity industrial and commercial energy storage cabinet based on a phase change gravity heat pipe. The cooling device comprises a cabinet body, a supporting mechanism, battery packs and a cooling mechanism, the cabinet body comprises a battery cabin, the supporting mechanism is arranged in the battery cabin, the multiple battery packs are placed on the supporting mechanism along the Z axis, the cooling mechanism comprises multiple cooling assemblies and multiple cooling fins, each battery pack is provided with at least one cooling assembly, and the cooling fins are arranged on the supporting mechanism. The cooling assembly comprises an evaporation chamber and a plurality of phase-change gravity heat pipes, phase-change working media are contained in the evaporation chamber, the two ends of each phase-change gravity heat pipe communicate with the evaporation chamber, the phase-change gravity heat pipes extend to one side of the supporting mechanism leftwards or rightwards in the X-axis direction, and each phase-change gravity heat pipe is provided with a first pipe section and a second pipe section which are different in height along the Z-axis. The outer walls of the multiple phase change gravity heat pipes located on the same side of the supporting mechanism are at least sleeved with one cooling fin. The cooling mechanism is simple in structure, a complex cooling liquid conveying pipeline is not needed, and the safety of the industrial and commercial energy storage cabinet is improved.

The invention provides semiconductor process equipment and a use method thereof. The semiconductor process equipment comprises a reaction cavity; the evaporator comprises an evaporation cavity, a premixing head, a gas outlet, a carrier gas inlet and an ultrapure water inlet; the premixing head is located at the top of the evaporation cavity, and the carrier gas inlet and the ultrapure water inlet are communicated with the evaporation cavity through the premixing head; the gas outlet is positioned at the bottom of the evaporation cavity; wherein a sleeve structure with a heating function is arranged in the evaporation cavity; the sleeve structure comprises a first sleeve, a second sleeve and a third sleeve; the first sleeve is connected with the top of the evaporation cavity, the lower portion of the first sleeve is located in the evaporation cavity and suspended, and an opening of the premixing head is located in the first sleeve. The second sleeve is connected with the bottom of the evaporation cavity, the upper portion of the second sleeve is located in the evaporation cavity and suspended, and the air outlet is located in the second sleeve. The third sleeve is located in the middle of the evaporation cavity, the upper portion of the third sleeve is inserted into the first sleeve, the lower portion of the third sleeve is inserted into the second sleeve, and the upper portion and the lower portion of the third sleeve are not communicated.

The utility model discloses a solar photo-thermal conversion seawater desalination distillation device which comprises an evaporation box, a glass cover plate arranged on the top surface of the evaporation box, and a seawater communication box transversely penetrating through the evaporation box, the seawater communication box divides the interior of the evaporation box into an evaporation cavity and a water storage cavity, and a heat insulation layer covers the inner bottom of the evaporation cavity. The heat insulation layer is covered with a photo-thermal conversion layer, the photo-thermal conversion layer is provided with a plurality of water absorption ropes extending into the seawater communication box, a water absorption block is slidably arranged in the evaporation cavity through a transverse guide rail, the water absorption block makes contact with the lower surface of the glass cover plate, and a water collection piece communicated with the water storage cavity is arranged on the inner side wall of the evaporation cavity. The driving mechanism is used for driving the water absorption block to reciprocate along the lower surface of the glass cover plate and to be in contact extrusion with the inner side wall of the evaporation cavity. According to the distillation device, condensed water drops on the glass cover plate can be cleaned in time, fresh water collection is completed, the sunlight heat dissipation phenomenon caused by the water drops is reduced, the light transmitting effect of the glass cover plate is ensured, and therefore the desalination efficiency is improved.

The invention relates to the technical field of vacuum concentration, in particular to double-effect vacuum concentration equipment, mainly aims to solve the problems that in the prior art, the evaporation rate is low, energy loss is large, nutritional ingredients in materials are prone to being damaged, and the flavor and taste of the materials are difficult to guarantee, and adopts the following technical scheme that the double-effect vacuum concentration equipment comprises a feeding pipe, a first-effect heater is arranged outside the first-effect circulating pipe, a first-effect evaporation chamber is arranged on the side, away from the first-effect heater, of the first-effect circulating pipe, a first-effect upper pipe box outlet is formed outside the first-effect heater, and the first-effect upper pipe box outlet is communicated with the first-effect evaporation chamber; the external heating forced circulation evaporation mode is adopted, the evaporation speed is high, the concentration ratio is large and can reach 1.3 (common traditional Chinese medicine extract), two-effect simultaneous evaporation is adopted in the concentrator, secondary steam is fully used, boiler investment is saved, energy consumption is reduced, and compared with other evaporators, the energy consumption is reduced by 40%.

The invention relates to a composite heat dissipation device integrating temperature equalization and liquid cooling, which comprises a liquid cooling plate cover plate, a composite upper cover and a temperature equalization plate lower shell which are sequentially arranged from top to bottom, the top of the temperature equalization plate lower shell is provided with an evaporation chamber, the peripheries of the composite upper cover and the temperature equalization plate lower shell are hermetically connected to form a vacuum cavity, and the bottom surface of the liquid cooling plate cover plate is provided with a recess. The periphery of the liquid cooling plate cover plate and the periphery of the composite upper cover are connected in a sealed mode to form a liquid cooling cavity, and the liquid cooling plate cover plate is provided with a cooling liquid inlet and a cooling liquid outlet. The lower surface of the composite upper cover is punched towards the upper surface to form a plurality of strip-shaped convex hulls; a first capillary structure covers the inner wall of the uniform temperature plate lower shell; and a second capillary structure covers the inner wall of the strip convex hull and / or the lower surface of the composite upper cover. The design is reasonable and ingenious, the functions of the upper cover of the vapor chamber and the fins of the liquid cooling plate are integrated, deep integration of the upper cover and the fins is achieved, the interface thermal resistance is effectively reduced, the structural strength is enhanced, and the manufacturing process is simplified.

The embodiment of the invention provides a vapor chamber and electronic equipment, and relates to the technical field of vapor chambers, the vapor chamber comprises a heat conduction assembly, one end of the heat conduction assembly along a first direction is used for contacting with a heat source; the first cover plate covers the end, away from the heat source, of the heat conduction assembly, an evaporation cavity and a heat dissipation cavity used for allowing steam to flow are formed between the first cover plate and the heat conduction assembly, the heat dissipation cavity surrounds the outer side of the evaporation cavity, and at least part of the orthographic projection of the evaporation cavity in the first direction coincides with the heat source; the heat dissipation cavity is divided into at least two sub-cavities which are sequentially arranged on the peripheral side of the evaporation cavity in a surrounding mode through the separation assembly, the sub-cavities communicate with the evaporation cavity, steam entering the evaporation cavity can be guided through the sub-cavities to be diffused in different directions, the distribution uniformity of the steam in the heat dissipation cavity is improved, and therefore the temperature uniformity of the vapor chamber is improved.

The utility model provides a falling film evaporation separator which comprises a separator body, and the separator body comprises a falling film evaporation part and a separation part; a falling film evaporation chamber of the falling film evaporation part is provided with a distribution assembly and a heat exchange tube bundle, the lower part of the heat exchange tube bundle extends into a separation chamber of the separation part, and the distribution assembly comprises a spraying ring which is communicated with the feeding hole and is used for spraying entering liquid; the at least two layers of distribution plates are arranged at the lower part of the spraying ring and are used for carrying out at least secondary distribution on the sprayed liquid, and a plurality of flow guide pipes are arranged at the bottom of each distribution plate; the separation chamber is provided with a gas-liquid separation assembly used for separating gas and liquid phases, and a pipe opening gas-liquid separation piece used for separating gas and liquid at a gas outlet is arranged in the gas outlet of the separation chamber. According to the falling film evaporation separator, the scheme is optimized, uniform distribution of fluid, efficient vaporization of liquid and efficient separation of gas and liquid can be achieved, and the falling film evaporation separator is compact in structure, reasonable in layout, high in heat transfer efficiency and wide in application range.

The invention provides a loop heat pipe and electronic equipment, relates to the technical field of electronic equipment, and aims at solving the problems that an existing loop heat pipe is long in starting time and low in response speed. The loop heat pipe comprises a shell and a first wick. Wherein an evaporation cavity, a plurality of condensation cavities and a plurality of circulation channels are formed in the shell, the first wick is arranged in the evaporation cavity, each circulation channel is provided with one condensation cavity, and each condensation cavity communicates with the evaporation cavity through the corresponding circulation channel, so that each circulation channel can conduct evaporation condensation circulation. According to the loop heat pipe, on the premise that the size is not changed, the path length of each evaporation and condensation circulation is shortened (equivalently, the length of each circulation channel is shortened), steam can rapidly reach the condensation cavity to be condensed, a liquid working medium obtained through condensation can rapidly flow back into the evaporation cavity, and the evaporation efficiency is improved. Therefore, the starting response speed of the loop heat pipe is accelerated.

The invention belongs to the technical field of seawater desalination, and particularly relates to a solar seawater evaporation device based on a plant-based cellulose water conveying pipe-shaped structure, the solar seawater evaporation device comprises a base, a condensation cover and a floating evaporation unit, the middle of the base is provided with a positioning boss, the positioning boss is provided with a plurality of vertical insertion holes distributed in an array mode, and the vertical insertion holes penetrate through the base; the condensation cover covers the base to form an evaporation cavity; the positioning frame and the floating evaporation unit are positioned in the evaporation cavity; the floating evaporation unit comprises a plurality of floating pipes, each floating pipe is of a plant-based cellulose water conveying pipe-shaped structure, and the surface of each floating pipe is provided with a photothermal conversion layer; and the floating pipes are inserted into the vertical insertion holes in a one-to-one correspondence manner. The floating pipe is of a plant-based cellulose water conveying pipe-shaped structure, the water conveying efficiency is improved through the porous characteristic, meanwhile, solar energy is converted into heat energy through the photo-thermal conversion material, and the evaporation rate is remarkably increased; salt is gradually deposited on the floating pipe along with evaporation, and surface salt deposition is automatically and dynamically removed under the synergistic effect of gravity sliding and water flow scouring.

The invention provides a preparation method of an interconnection structure, a semiconductor structure and chemical mechanical polishing equipment. According to the preparation method, after a chemical mechanical polishing process is executed, a protective layer is formed on the surface of an exposed metal layer by adopting an evaporation process within a preset first time, so that oxygen isolation is realized by utilizing the protective layer. Even if waiting is overtime due to reasons in the technological process, the metal layer is protected by the protective layer, the oxidation reaction does not occur, and the performance of the device can be guaranteed. And before the diffusion barrier layer is formed, the protective layer is removed by adopting a cleaning process, so that the subsequent deposition of a thin film is not influenced, the structural characteristics of the device are not changed, and other impurities are not introduced and additional device film layer damage is not generated in the process of removing the protective layer. Moreover, the chemical mechanical polishing equipment provided by the invention is additionally provided with the evaporation chamber and the first cleaning chamber, so that not only can the preparation requirements of the preparation method of the interconnection structure be met, but also each process link is convenient to manage and control.

The invention provides a stainless steel pickling waste acid recovery device and a using method thereof.The waste acid recovery device comprises a pickling device and a recovery tower, the pickling device comprises a pickling tank and a filter pipe installed at the bottom of the pickling tank, the filter pipe is communicated with the recovery tower, the recovery tower comprises an evaporation barrel, and the evaporation barrel is fixed to the ground; comprising a combustion chamber and an evaporation chamber which are stacked from bottom to top, and gas is introduced into the combustion chamber for combustion to heat the evaporation chamber; waste acid in the pickling tank is filtered by the filter pipe and enters the evaporation chamber to be heated and evaporated; a catalysis disc, a spraying section and a cooling section are sequentially arranged above the evaporation chamber in a stacked mode, the evaporation chamber is communicated with the cooling section through a gas conveying pipe, the cooling section is communicated with the spraying section arranged below, and cooled waste acid steam enters the spraying section to be mixed with rinsing water. Waste acid steam of nitric acid and hydrofluoric acid absorbed by the rinsing water flows downwards to enter the catalytic disc for reaction. According to the waste acid recovery device provided by the invention, the structure is simplified, and the waste acid recovery efficiency and recovery rate are improved.

The utility model belongs to the field of hydrogen storage metal powder processing, and provides low-melting-point metal continuous evaporation equipment which comprises a vacuum melting furnace and an evaporation chamber, the vacuum melting furnace is connected with the evaporation chamber through a flow control device, the flow control device comprises a liquid supply flow channel, a thermocouple and a pouring control device, the liquid supply flow channel is arranged in a downward inclined mode, and the thermocouple is arranged in the evaporation chamber. The upper end of the liquid supply runner is connected with a crucible in the vacuum melting furnace, the lower end of the liquid supply runner is connected with the top of the evaporation chamber, the thermocouple is arranged on the periphery of the liquid supply runner, and the pouring control device is arranged at the end part of the lower end of the liquid supply runner. According to the utility model, the flow of the melt is effectively controlled through the flow control device, and accurate control is realized by simultaneously controlling the flow of the melt through a plurality of valves, so that the production efficiency and quality of hydrogen storage metal are improved; in addition, the transition bin is arranged on the feeding device, so that continuous adding of the raw materials in a vacuum state is effectively guaranteed, and continuous production is facilitated.

The invention relates to the field of evaporators, in particular to a multi-effect evaporator and a using method thereof. Comprising an evaporation tank, the tank side is provided with an exhaust port and a connector, the connector is communicated with a working tank, the exhaust port is communicated with a gas collection tank, and a liquid storage tank is arranged beside the working tank to store wastewater to be treated. A filtering cavity, an evaporating cavity, a vaporizing cavity and a collecting cavity are arranged in the evaporating tank from top to bottom. The filtering mechanism comprises a liquid spraying pipe and a leakage plate, the liquid spraying pipe is coaxially and rotatably connected with the upper end of the tank, and the leakage plate is fixedly connected with the inner wall of the tank and coaxially rotates with the liquid spraying pipe. The evaporation assembly is connected with the liquid spraying pipe and provided with a positioning pipe, a flow guide pipe, a liquid level sensor and a plurality of evaporation mechanisms. The evaporation mechanisms are distributed in the evaporation cavity and each comprise a plurality of vaporization pipes, the flow guide pipes are communicated with the collection cavity and extend out of the tank, and the liquid level sensor is arranged in the collection cavity and used for monitoring the liquid level and guaranteeing stable operation of equipment. According to the device, uneven evaporation heat can be avoided, meanwhile, real-time monitoring of all treatment links is achieved, and the safety of equipment is improved.

The invention relates to the technical field of water resource utilization, and discloses an efficient three-dimensional dynamic waterwheel type solar interface distillation system which comprises an evaporation chamber, one side of the evaporation chamber is a light receiving side, the top end of the evaporation chamber is fixedly connected with a condensation wall, the top end of the condensation wall is provided with a circulating condensation device, and the outer wall of the evaporation chamber is fixedly connected with a distilled water collection pool. Distilled water on the condensing wall flows into the distilled water collecting tank; the evaporator is arranged in the evaporation chamber, external raw water is conveyed to the evaporator, water distribution of the evaporator is completed through a capillary material on the evaporator, and sunlight irradiates the evaporator through the light receiving side of the evaporation chamber to carry out photothermal conversion so as to realize evaporation of the raw water; the raw water circulation system is communicated with the evaporation chamber to form raw water circulation, and the evaporator is converted into dynamic rotation from static rotation through impact of raw water conveyed by the raw water circulation system. According to the invention, the solar energy utilization efficiency is obviously improved, the seawater desalination cost is reduced, and the problems of non-ideal evaporation effect and crystallized salt pollution of a two-dimensional static solar energy interface evaporation device are solved.

The invention provides refrigeration equipment. The refrigeration equipment comprises a box body and a storage chamber formed in the box body, and further comprises an ice-making chamber arranged in the storage chamber and an ice-making refrigeration system arranged in the ice-making chamber, the ice-making refrigerating system comprises a shell, an ice-making evaporation chamber formed in the shell, an ice-making evaporator arranged in the ice-making evaporation chamber and a pipe outlet channel used for allowing a refrigerant pipe of the ice-making evaporator to penetrate through the ice-making evaporation chamber. The pipe outlet channel comprises a first channel part and a second channel part which are oppositely arranged in the radial direction of the pipe outlet channel, the first channel part is arranged on the shell, and the second channel part is detachably installed on the first channel part. By means of the arrangement, the ice making chamber capable of independently supplying cold can be formed in the storage chamber, cleanliness of the ice making chamber is guaranteed, and the sealing effect of the refrigerant pipe can be guaranteed while the refrigerant pipe can be conveniently installed.

The utility model provides wastewater treatment equipment. The wastewater treatment equipment comprises a treatment container, a plurality of sequentially arranged treatment units are arranged in the treatment container, each treatment unit comprises a gas chamber, an evaporation chamber, a liquid collection chamber and liquid condensation pipes, the multiple liquid condensation pipes penetrate through the evaporation chamber and are communicated between the gas chamber and the liquid collection chamber, and wastewater in the evaporation chamber can exchange heat with gaseous media in the liquid condensation pipes. Along the arrangement direction of the treatment units, the air chamber of the first treatment unit is provided with an air inlet, the air inlet is arranged on the wall surface of the treatment container, and the steam outlet of the evaporation chamber of the previous treatment unit is communicated with the air chamber of the next treatment unit. The energy source of the wastewater treatment equipment comes from the heat of the gaseous medium obtained by the gas inlet, and the heat is sequentially transmitted in the plurality of treatment units, so that the plurality of treatment units can simultaneously treat wastewater, the utilization rate of the heat is higher, the energy consumption is lower, and the wastewater is treated by the plurality of treatment units, so that the energy consumption is lower. The wastewater treatment efficiency is relatively high.

The invention discloses a device for preparing desalinated water by evaporating seawater through solar energy, and belongs to the technical field of seawater desalination, the device comprises an evaporation chamber, a cooling mechanism is arranged below the evaporation chamber, an air convection mechanism is arranged on one side of the evaporation chamber, and the air convection mechanism comprises a convection chimney; the structural design of the chimney is utilized to realize negative-pressure suction enhanced convection and seawater cooling to prepare desalinated water; the temperature difference of natural seawater is used for cooling, the application range is wide, investment is reduced, energy is saved, the heat efficiency and fresh water yield of the device are remarkably improved, the device is a green and pollution-free seawater desalination technology, and large-scale stable production and supply of desalinated water in island regions can be achieved without additional energy.

The utility model relates to an ammonium phosphate evaporation and concentration system and belongs to the field of chemical engineering. The system comprises a concentrated ammonium phosphate pump, a concentrated ammonium phosphate storage tank, an I-effect evaporation chamber, an I-effect heater, an I-effect circulating pump, an I-effect charging pump, an II-effect evaporation chamber, an II-effect heater, an II-effect circulating pump, an II-effect charging pump, an III-effect evaporation chamber, an III-effect heater and an III-effect circulating pump. By adopting the system and the method, low-pressure saturated live steam is utilized to indirectly heat dilute ammonium phosphate to generate secondary steam and tertiary steam to continuously heat the dilute ammonium phosphate to produce concentrated ammonium phosphate. Compared with a two-effect evaporation concentration process flow which is widely used at present, the three-effect countercurrent evaporation concentration process flow saves energy by 47%. The utility model aims at saving energy, reducing consumption, reducing carbon emission of a production device and protecting the environment.

The utility model discloses an efficient film evaporation device for magnesium glycinate production, and relates to the field of magnesium glycinate production equipment.The device comprises a cylindrical evaporation chamber, at least four heating jackets which are arranged on the outer surface of the evaporation chamber in the axial direction and independently control the temperature in a partition mode, an integrated heating rotor assembly and a controller; a feeding hole and a concentrated solution outlet are respectively formed in the upper end and the lower end of the evaporation chamber, and a lining layer is compounded on the inner wall of the evaporation chamber; each independent heating jacket is provided with a PID (Proportion Integration Differentiation) temperature control module connected with the controller, so that the plurality of independent heating jackets form stepped heating distribution along the material flowing direction; the rotor assembly includes a spiral vortex disk. According to the film evaporator, stepped temperature rise is formed in the material flowing direction through the multi-partition independent temperature control heating jacket and the PID module, the problem that the axial temperature field of traditional equipment is not uniform is effectively solved, a magnesium glycinate solution saturation solubility curve is accurately matched, and crystal form transformation caused by local overheating is avoided.

The utility model discloses an efficient organic wastewater evaporation device which comprises a funnel-shaped evaporator, an evaporation chamber is arranged in the funnel-shaped evaporator, a gas pipe, an immersion pipe and a circulation baffle are arranged in the evaporation chamber, the gas pipe is communicated with the immersion pipe, an injection nozzle is arranged on the immersion pipe, the immersion pipe is located in the circulation baffle, and the circulation baffle is communicated with the gas pipe. The circulating baffle is used for improving the gas-liquid mixing and stirring effect. High-temperature flue gas is introduced into the gas pipe, the immersion pipe is immersed in liquid, high-temperature gas in the gas pipe is rapidly mixed with the liquid, subjected to heat exchange and evaporated after being sprayed out of the injection nozzles on the immersion pipe, in the heat exchange process, the liquid formed in the circulating baffle flows upwards and forms evaporated liquid, and descending flow is formed outside the circulating baffle. Liquid flow difference is formed inside and outside the circulating baffle, the effect of stirring liquid can be achieved, the liquid is stirred for heat exchange and evaporation under the effect of the liquid flow difference, and the efficiency of the evaporation device is greatly improved.

The utility model discloses a blue-green algae mud dehydration treatment device based on a solar photothermal conversion technology, which belongs to the technical field of blue-green algae dehydration and comprises a dehydration chamber, an evaporation chamber, a collection chamber, a water storage chamber and a photovoltaic power supply system which are communicated in sequence, the dehydration chamber is located below the treatment device, the outer side of the dehydration chamber is connected with an algae mud branch pipe, and an evaporation system is arranged in the dehydration chamber and comprises an underwater heat conduction shell and a floating type composite fabric material; the evaporation chamber is positioned above the whole device; a water collecting top plate is arranged in the evaporation chamber; the floating type composite fabric material is a carbon fiber fabric modified by a nitrogen-doped carbon nano tube; the collecting chamber is positioned on one side of the evaporation chamber; and the water storage chamber is positioned below the collecting chamber. Solar energy is used as clean energy, moisture in blue-green algae is evaporated through the photothermal effect, and therefore efficient treatment of the blue-green algae is achieved, environmental pollution caused by chemical treatment can be reduced, and economic cost of blue-green algae treatment can be effectively reduced.

The present invention relates to a falling film distillation system for separating dichloromethane and white oil, which comprises a distillation tower and an evaporator, wherein the distillation tower comprises an upper tower body and a lower tower body; the evaporator comprises an upper tube plate and a lower tube plate respectively arranged at the top and bottom of the upper tower body and forming a closed evaporation chamber with the circumferential inner wall of the upper tower body, a plurality of evaporation tubes, and a steam supply component, wherein the plurality of evaporation tubes are arranged spaced apart from each other, and the upper ports of the plurality of evaporation tubes are connected to the liquid inlet pipe, and the lower ports are connected to the cavity formed by the lower tower body; the distillation system also comprises a gas-liquid separator that can be connected to the gas outlet pipe. The present invention adopts a falling film evaporator, the material residence time is short, the steam working pressure is small and the steam consumption is low, and the evaporated white oil concentrate has a low temperature, light color and high purity, and the evaporated dichloromethane gas is separated and subsequently condensed and dehydrated, and the white oil content in the dichloromethane is within 20ppm.

The utility model discloses a flash collection system of a slag flushing water evaporator, which comprises a shell, a slag water inlet is arranged at the top of the shell, a slag water outlet is arranged at the bottom of the shell, a plurality of evaporation chambers are separated in the shell, every two adjacent evaporation chambers are separated by a slag water overflow port, and the slag water overflow ports are horizontally arranged. A negative pressure steam pipeline is arranged on the side wall of the shell and on the side opposite to the slag water overflow port, each evaporation chamber is provided with a metal inclined plate capable of sealing the evaporation chamber, the metal inclined plates are arranged in an inclined mode, and the inclined lower ends of the metal inclined plates are connected with the slag water overflow port, so that the flow direction of negative pressure steam in each evaporation chamber is the side upward flow direction. A first demister is installed between the lower inclined end of the metal inclined plate and the side wall of the shell, and a second demister is installed at a pipeline opening of the negative pressure steam pipeline. According to the demister, slag water, tiny slag cotton and suspended solids entering the demister and the heat exchanger can be effectively reduced, and the problems that the running time of a unit is short, and the demister and the heat exchanger are often scaled and blocked are solved.