249 results about "Vacuum evaporation" patented technology

The invention belongs to the field of photoelectric device display, and particularly relates to an intrinsic stretchable electroluminescent device and a preparation method and application thereof. The intrinsic stretchable electroluminescent device is composed of an intrinsic stretchable transparent substrate, an intrinsic stretchable transparent anode, an intrinsic stretchable hole injection / transmission layer, an intrinsic stretchable luminescent layer, an intrinsic stretchable electron injection / transmission layer, a metal cathode and liquid metal. Each layer is prepared independently, the liquid metal is deposited on the metal cathode through blade coating, spraying, dispensing printing and the like, and the other layers are deposited into a film through a solution method or a vacuum evaporation method; in the preparation process, the intrinsic tensile property of the device can be realized without special structures (such as wrinkles, island bridges, snakelike, paper-cut and the like), and the method has the advantages of simple process, low cost, wide application range and universality.

The utility model discloses a switching mechanism and a device for hanging a substrate in an evaporation cavity, and relates to the field of vacuum evaporation equipment, the switching mechanism comprises an evaporation machine shell and a sealing cover which is hinged and assembled on the side surface of the evaporation machine shell and plays a role in sealing, a hanging disc is concentrically assembled in the evaporation machine shell, and the hanging disc is positioned at the upper part in the evaporation machine shell. According to the utility model, through the cooperation of the first adsorption suspension part, the second adsorption suspension part and the switching unit, the substrate can be fixed below the first adsorption suspension part for single-side evaporation treatment, and then the substrate is transferred below the second adsorption suspension part under the control of the switching unit; and in the transferring process, the base plate can be turned over, that is, double-sided evaporation treatment can be carried out under the condition that the evaporation machine is not stopped.

The invention discloses a perovskite photovoltaic device and a preparation method and application thereof, and the preparation method of the perovskite photovoltaic device comprises the following steps: dissolving heterocyclic molecules in a solvent, stirring and dissolving to prepare an interface dipole material, spin-coating the interface dipole material on a hole transport layer, and annealing to form an interface dipole layer, a perovskite material is spin-coated through an anti-solvent method and annealed to form a perovskite film, and then an electron transport layer and a metal electrode are subjected to vacuum evaporation to obtain the perovskite photovoltaic device. Wherein the heterocyclic molecules are one or two of pyridine hydriodate, morpholine hydriodate or pyrrole hydriodate. The perovskite photovoltaic device prepared by the invention has high energy conversion efficiency.

The utility model discloses a low-temperature vacuum evaporation concentration system, which relates to the technical field of chemical equipment and comprises a treatment tank, a cleaning component is arranged in the treatment tank, and a lifting component is arranged at the top end of the cleaning component; the cleaning assembly comprises a top cover, a rotating pipe sleeve is rotationally installed at the top end of the top cover, the bottom end of the rotating pipe sleeve penetrates through the top end of the top cover, the outer surface wall of the rotating pipe sleeve is fixedly sleeved with a first gear, and two telescopic rods are fixedly installed at the bottom end of the first gear; the telescopic ends of the two telescopic rods are fixedly provided with a connecting ring, and the inner wall of the connecting ring is fixedly provided with a cleaning pipe. The cleaning assembly can make the cleaning pipe rotate, impact cleaning can be conducted on the inner wall of the treatment tank from different angles, the lifting assembly can make the cleaning pipe ascend and descend within a certain range, the inner walls, at different heights, of the treatment tank are cleaned, and the cleaning effect on the treatment tank is improved through mutual cooperation of the cleaning assembly and the lifting assembly.

The invention discloses a movable regulation and control type rotating mechanism for a vacuum evaporator, and belongs to the technical field of vacuum evaporators, the movable regulation and control type rotating mechanism comprises a supporting column and a transmission gear mounted in the supporting column, the side edge of the transmission gear is in meshed connection with a linkage gear, the linkage gear is in key connection with a power rod, a positioning sleeve is fixed on the power rod, and the positioning sleeve is in key connection with the linkage gear. And the circumferential direction of the positioning sleeve is connected with a limiting ring through a rotating arm, a clamping ring is embedded in the limiting ring, and the clamping ring is fixed in the vacuum evaporator. According to the movable regulation and control type rotating mechanism for the vacuum evaporator, by arranging the hanging piece capable of being movably adjusted at the bottom, the position of the hanging piece can be conveniently adjusted according to plating pots with different diameters, so that the hanging piece is suitable for installation of the plating pots with different sizes, and meanwhile, the water cooling assembly is arranged in the rotating arm and used for cooling the rotating arm; and the probability of uneven deformation of the rotating frame due to heating is reduced.

The invention discloses a preparation method of an easy-to-demold concrete test mold with super-hydrophobic and super-smooth inner wall, and belongs to the field of concrete test molds. The method comprises the following steps of: a, spin-coating negative photoresist, and obtaining a substrate with an inverted trapezoidal micron structure on the inner wall in an ultraviolet lithography manner; b, depositing a metal layer through vacuum evaporation; c, removing the metal layer on the upper surface of the inverted trapezoidal micron structure on the inner wall of the substrate; d, obtaining a micro-nano hierarchical structure on the metal layer; e, spin-coating molten wax, and after cooling, filling the micron-sized pores with solid wax; f, depositing aluminum through vacuum evaporation, and performing anodic oxidation to obtain a porous metal aluminum surface; g, solid wax is discharged, lubricating oil is injected, the whole pores are filled with the lubricating oil, and the super-hydrophobic and super-smooth surface is obtained; and h, splicing the base to obtain the easy-to-demould concrete test mould with super-hydrophobic and super-smooth performance. The cohesiveness of the concrete and the inner wall of the test mold is reduced, so that the concrete is easily separated from the inner wall of the concrete test mold.

A waste triethylene glycol purification and recycling device relates to the technical field of triethylene glycol purification devices and comprises a triethylene glycol vacuum evaporation tank, a primary condenser, a secondary condenser, a condensation storage tank, a gas-liquid separation tank and a vacuum pump, a steam outlet pipeline A is arranged at the upper end of the triethylene glycol vacuum evaporation tank and communicated with an inlet of the primary condenser, and a steam outlet pipeline B is arranged at the lower end of the steam outlet pipeline A; triethylene glycol steam is condensed into liquid through the first-stage condenser, an outlet of the first-stage condenser is communicated with the condensation storage tank, a steam outlet pipeline B is arranged on the upper portion of the condensation storage tank and communicated with an inlet of the second-stage condenser, and gaseous triethylene glycol steam is condensed into liquid through the second-stage condenser. An outlet of the secondary condenser is communicated with a gas-liquid separation tank; the upper part of the gas-liquid separation tank is communicated with a vacuum pump; the vacuum degree of the triethylene glycol vacuum evaporation tank is 4KPa, and under the vacuum degree, the boiling point of triethylene glycol is lower than 200 DEG C and lower than the theoretical decomposition temperature of 208 DEG C, so that purer triethylene glycol can be obtained and reaches the recycling standard.

This invention proposes an integrated vacuum pumping system for the exterior of a vacuum evaporation machine, comprising a coarse pumping pipe and a fine pumping pipe. A first three-way pipe and the fine pumping pipe are connected by a telescopic motor that drives the valve cover to rise and fall, enabling rapid switching between the coarse and fine pumping lines and avoiding vacuum fluctuations. Under the precise pressure control of the telescopic motor, the valve cover maintains uniform contact pressure on the sealing surface. The transition pipe directly connects the coarse and fine pumping pipes, eliminating flow channel redundancy in traditional multi-valve systems and reducing gas flow resistance. The telescopic motor is linked with a vacuum sensor to automatically switch the pumping mode based on the cavity pressure threshold, avoiding errors caused by manual intervention. The integrated three-way pipe reduces external connecting components, shrinks the equipment size, and lowers manufacturing costs and maintenance complexity.

The present application relates to the technical field of organic optoelectronic materials and devices, in particular to a preparation method of white organic light-emitting diodes based on a kind of blue, yellow and other color cMa copper (I) TADF complex with nitrogen heterocyclic carbene-copper-arylamines structure, including three steps: first, synthesis of cMa type copper (I) TADF complex containing blue light emitter and yellow light emitter as representative, obtained by ligand selection, intermediate preparation and purification;Second, construct layered WOLEDs device, from bottom to top in turn for substrate, ITO anode, hole injection layer, hole transport layer, buffer layer, yellow light emitting layer, blue light emitting layer, electron transport layer, electron injection layer and Al cathode;Third, through substrate pretreatment, mbar high vacuum evaporation and nitrogen glove box packaging complete device preparation.The WOLEDs device W1, W2 prepared by the present application has excellent photoelectric performance, the CRI is up to 83, the maximum external quantum efficiency is greater than or equal to 13.3%, has good stability and low cost, and is suitable for lighting and display fields.

The application provides a carbon nanotube composite charge generation layer, a preparation method thereof and application of the carbon nanotube composite charge generation layer in a laminated OLED device. The preparation method comprises the following steps: placing a ferrous oxide loaded carbon nanotube composite material in a solvent to obtain a solution, spraying the solution on a substrate surface, drying to obtain a modified base film; placing the modified base film in a magnetic field with a fixed direction and a fixed frequency to obtain a modified base film with oriented arrangement of carbon nanotubes; and preparing the carbon nanotube composite charge generation layer by using a high-vacuum evaporation method. Compared with the prior art, the carbon nanotube material with regular arrangement is obtained, the axial conductivity of the carbon nanotube material is far higher than the radial conductivity, the traditional evaporation process is used, the CGL is prepared on the carbon nanotube layer with regular arrangement by the thermal evaporation method, and therefore the electrical crosstalk (lateral conductivity) of the CGL is reduced, and the performance of the laminated OLED device is improved.

This invention proposes a double-layer sealing door device for an ultra-high vacuum evaporation coating machine, including a processing chamber. A sealing door is provided on the outer side of the processing chamber, and the two are connected by a hinge assembly. A sealing area is provided on the outer end face of the processing chamber, and at least one evacuation hole is opened in this area. An inner sealing ring and an outer sealing ring are arranged sequentially on the inner side of the sealing door. When closed, the inner and outer sealing rings simultaneously press against the sealing area to form an annular vacuum chamber. The evacuation hole is located inside the vacuum chamber and is used to independently evacuate the chamber to form a secondary seal. Through the coordinated design of the inner and outer double sealing rings and the vacuum chamber, a transition vacuum zone is constructed between the sealing door and the processing chamber, making the pressure difference between the inside and outside of the door approach zero, significantly reducing the stress deformation of the sealing rings and extending their service life. At the same time, the double vacuum barrier greatly reduces the leakage rate of the main chamber and improves the sealing reliability.

The application belongs to the technical field of photoelectric detectors, and discloses a high-performance two-dimensional perovskite photoelectric detector and a preparation method thereof. First, a SiO2 glass substrate is cleaned, and a precursor solution is dropped on the surface of the glass substrate. Chloroform antisolvent solution doped with ZnO quantum dots is dropped on the precursor solution. Then, ZnO quantum dots / (PEA)2PbI4 nanosheet thin film is formed by spin coating, and the thin film is annealed. The above steps are repeated multiple times to obtain a uniform thin film. The glass substrate with the uniform thin film is plated with gold by a vacuum evaporation method to obtain an electrode. The application improves the carrier migration rate by doping the concentration of ZnO quantum dots, improves the photocurrent size, obtains higher responsivity and detection rate, and shorter response time. The manufacturing process is simple and has strong repeatability. The application has high photocurrent size, high responsivity and high detection sensitivity. The application selects a suitable concentration of ZnO quantum dots. The application can be prepared in an air environment and has strong stability.

The invention relates to the technical field of central air conditioners, in particular to a solar photovoltaic photo-thermal cold storage system and a central air conditioner cold storage method. The cold storage system comprises a photovoltaic photo-thermal assembly; the hot water circulation pipeline is connected with a cooling water channel of the photovoltaic photo-thermal assembly, a cooling water inlet is used for being connected with a building sewage input end, and water in the hot water circulation pipeline can be cooled under the action of building sewage; a water inlet of the vacuum evaporator is connected with a cooling water outlet of the photo-thermal evaporator, an air inlet of the vacuum evaporator is connected with a photo-thermal steam outlet of the photo-thermal evaporator, and the vacuum evaporator can absorb heat of building sewage through vacuum low-temperature evaporation and convey condensate water and residual water; the fire water tank is connected with the condensate water outlet and the residual water outlet of the vacuum evaporator; the air conditioner cold water heat exchanger is installed in the fire water tank, PVT low-grade heat energy can be directly utilized, and a low-energy-consumption system integrating building cold storage and sewage reuse is achieved. The cold storage method is based on the cold storage system.

The utility model discloses a continuous vacuum evaporation device for an anti-fingerprint film. The continuous vacuum evaporation device comprises a vacuum film coating machine body and a film coating main roller of a roll-to-roll vacuum film coating machine, wherein the film coating main roller is arranged in the middle of the vacuum film coating machine body; an evaporation boat is arranged at the bottom position of a coating main roller of the opposite-roll vacuum coating machine, a steel wool rope winding device is arranged on the side face position of a guide wheel, a steel wool rope unwinding device is arranged on the steel wool rope winding device on the right side, and a steel wool rope body is arranged in the middle positions of the steel wool rope winding device, the guide wheel and the evaporation boat. The bottom of the evaporation boat is connected with a power supply connecting power supply, the steel wool rope body also travels in a winding mode according to process requirements, and the fingerprint-proof liquid medicine on the steel wool rope body can be continuously evaporated to the bottom of a coating main roller of the opposite-winding vacuum coating machine under the condition that the evaporation boat is heated. After the device is improved, the roll-to-roll vacuum coating machine can continuously evaporate the anti-fingerprint film for a long time.

The utility model discloses a vacuum evaporation silicon wafer bearing device, a cross beam and a support beam (13) are arranged between a front vertical beam (24) and a rear vertical beam (26), the cross beam comprises a cross beam I (1), a middle cross beam (18) and a cross beam II (25), the cross beam I (1) is provided with a cross beam support table (2), the front vertical beam (24) and the rear vertical beam (26) are provided with a vertical beam support table (11), the vertical beam support table (11) is connected with the cross beam through a support plate (10), and the cross beam I (1) is provided with a cross beam support table (12). A first tray (5) and a second tray (22) which are provided with wafer placing frames (29) are installed on the front face of the supporting beam (13), the wafer placing frames (29) are provided with protruding points (30), a baffle (12) is installed on the back face of the supporting beam (13), a first shielding plate (6) is assembled above the first tray (5), and a second shielding plate (23) is assembled above the second tray (22). According to the silicon wafer bearing device, the overall flatness of the silicon wafer bearing device is guaranteed, and the coating quality of silicon wafers is guaranteed.

A quantum cascade laser element includes: a semiconductor substrate; a semiconductor laminate including an active layer and having a first end surface and a second end surface facing each other in an optical waveguide direction; a first electrode; a second electrode; and an anti-reflection film formed on the first end surface. The semiconductor laminate is configured to oscillate laser light having a central wavelength of 7.5 μm or more. The anti-reflection film includes at least one of at least one layer of a CeO2 film formed by continuous sputtering and vacuum evaporation and a plurality of layers of CeO2 films formed by discrete sputtering and vacuum evaporation.

The invention discloses an organic bifunctional device based on a heat exciton blue light material and a preparation method thereof, and belongs to the technical field of organic photoelectron, the organic bifunctional device comprises a transparent substrate, an anode layer, a hole injection layer, a hole transport layer, an exciton regulation and control layer, an organic active layer, an electron transport layer and a cathode layer, wherein the organic active layer adopts a heat exciton blue light material PyAnTph, the utilization rate of triplet state excitons is optimized by hybridizing a local area-charge transfer state, and the energy level matching design of the exciton regulation and control layer is combined, so that the device can realize efficient blue light emission with EQE greater than or equal to 12% and the brightness of 8000cd / m under an external forward voltage, and the device has a wide application prospect. According to the invention, a full vacuum evaporation process is adopted, the thickness of the total functional layer of the device is less than or equal to 200nm, and the device has the advantages of ultra-thinness, flexibility and simple process, and is suitable for wearable display, environmental monitoring and biosensing integrated systems.

The utility model relates to the technical field of evaporation, in particular to an aluminized film vacuum evaporation device which improves the taking and placing efficiency of the device on a base material, facilitates taking and placing operation on the base material and improves the practicability. Two rotating shafts are symmetrically and fixedly mounted in the box body, and a plurality of supporting mechanisms are longitudinally and rotationally mounted on each rotating shaft in parallel; the supporting mechanism comprises a supporting groove, the supporting groove is rotationally connected with the rotating shaft, a pressing plate is slidably installed on the inner side wall of the supporting groove, a plurality of doors are rotationally installed on the outer side wall of the box body, a first handle is fixedly installed on each door, a plurality of second through holes are formed in the bottom end of the supporting groove, and a plurality of first through holes are formed in the pressing plate.

The invention discloses a heterojunction-based bipolar synapse transistor and a preparation method thereof, and the heterojunction-based bipolar synapse transistor comprises a gate layer, a gate insulating layer located on the surface of the gate layer, a charge storage layer located on the surface of the gate insulating layer, and a semiconductor layer located on the surface of the charge storage layer. The drain electrode and the source electrode are located on the surface of the semiconductor layer. The charge storage layer is prepared from n-type N, N '-dioctyl-3, 4, 9, 10-perylene dicarboximide through vacuum evaporation; and the semiconductor layer is prepared by vacuum evaporation of p-type pentacene. According to the transistor prepared by the invention, a balanced bipolar behavior is combined with an effective charge capture mechanism, the functions of a memory and a photoelectric synapse transistor can be realized at the same time, and the transistor has huge application potential in the aspect of constructing a brain-like computing system.

The invention discloses a method for recovering ammonium fluoride from semiconductor photovoltaic wastewater. The method comprises the following steps: adjusting pH in a pretreatment stage, and adding sodium citrate to complex metal ions; a composite extraction agent composed of diisooctyl phosphate, trialkyl phosphine oxide and methyl trioctyl ammonium chloride is adopted for multi-stage counter-current extraction; sequentially carrying out washing and two-stage gradient ammonia water reverse extraction to improve the selectivity and inhibit silicon-boron co-dissolution; the strip liquor is subjected to calcium and magnesium salt impurity removal, reduced pressure evaporation, graded cooling crystallization and vacuum drying, an ammonium fluoride product with the purity larger than or equal to 94% and the water content smaller than or equal to 0.5% is finally obtained, the extracting agent can be recycled, mother liquor and washing liquor are recycled, and the process is closed, environmentally friendly, economical and suitable for industrial application.

The vacuum evaporation equipment comprises a feeding mechanism, and the feeding mechanism is provided with a discharging opening; a material receiving opening of the feeding mechanism is connected with a discharging opening of the feeding mechanism or located below the discharging opening of the feeding mechanism; and the first driving piece can drive the feeding mechanism to wholly or partially move and / or rotate. When feeding is not needed, the first driving part drives the feeding mechanism to integrally or partially move and / or rotate, so that the feeding mechanism is far away from the evaporation mechanism. Therefore, the feeding mechanism is prevented from being in a high-temperature environment all the time, deformation or cracking caused by the fact that the feeding mechanism is located above the evaporation mechanism all the time is reduced, the continuous use period of the feeding mechanism is prolonged, and the requirement of the solar industry for continuous coating can be met. Moreover, the feeding mechanism does not need to be located above the evaporation mechanism all the time, a large number of materials can be prevented from being attached to the feeding mechanism, the materials are saved, and normal use of the feeding mechanism is guaranteed.

The invention discloses a waste treatment method in a radiopharmaceutical production process, which comprises the following steps: adding a DNA-silver nano composite material into wastewater, so that silver ions are combined with iodine-131 to generate stable silver iodide crystals, thereby fixing radionuclides in the wastewater; the risk of iodine-131 volatilization is reduced by adopting a vacuum evaporation process, and water is ensured to be separated from radioactive pollutants; condensate water is discharged after reaching the standard through detection, and concentrated waste is subjected to curing treatment; by mixing concentrated waste with cement and adding a silicate additive, the physical stability and chemical inertness of a solidified body are enhanced, and the possibility of leakage is reduced; and finally, safely storing the cured concentrated waste in a special storage container. According to the method, efficient and safe radioactive waste management is achieved through the synergistic effect of a series of steps, the safety of long-term storage is greatly improved, and the method has great significance in protecting human health and protecting the ecological environment from radioactive contamination.

A management device 100 manages a vacuum vaporization-type fresh water generation device 1 producing fresh water from seawater, and comprises: an operating condition acquisition unit 110 that acquires information relating to an operating condition of the vacuum vaporization-type fresh water generation device 1; and an abnormality detection unit 120 that detects an abnormality in the vacuum vaporization-type fresh water generation device 1 on the basis of the information acquired by the operating condition acquisition unit 110.

The invention discloses a functional current collector with a corrosion-resistant coating and a preparation method of the functional current collector, and relates to the technical field of current collectors. The functional current collector with the corrosion-resistant coating comprises a macromolecular base film, a metal layer and a high-entropy alloy corrosion-resistant coating, the metal layer is arranged on at least one side of the surface of the base film; the high-entropy alloy corrosion-resistant coating is arranged on one side, far away from the polymer base film, of the surface of the metal layer; the high-entropy alloy corrosion-resistant coating is selected from at least four metal elements of Al, Ti, Cr, Ni, Cu, Mo, Si, Nb, Zr, W, Y, Li, V, Fe, Zn, Co, Mn, Mg and Hf; the high-entropy alloy corrosion-resistant coating is prepared by any one of a magnetron sputtering method and an ion implantation method; the metal layer is prepared by any one of vacuum evaporation, magnetron sputtering, atomic layer deposition and electrochemistry.

The invention relates to the technical field of battery pole piece design, and particularly discloses a dry-method pole piece with an ultrathin current collector and a secondary battery, the dry-method pole piece comprises a positive pole piece and a negative pole piece which are prepared by a dry method, and the positive pole piece comprises a positive pole supporting film and a positive current collector formed on the positive pole supporting film in a vacuum evaporation manner; the negative plate comprises a negative supporting film and a negative current collector which is formed on the negative supporting film in a magnetron sputtering and water electroplating manner in sequence; the positive electrode support film and the negative electrode support film are prepared by mixing main and auxiliary materials, fiberizing, granulating and rolling in sequence; the weight ratio of the positive active material to the conductive agent to the binder is (80-99): (0.5-15): (0.5-5), and the weight ratio of the negative active material to the conductive agent to the binder is (80-99.4): (0.1-15): (0.5-5). According to the invention, the dry-method self-supporting film is used as a substrate, and the pole piece is in contact with the current collector in a vacuum evaporation and magnetron sputtering manner, so that the thickness of the current collector can be accurately controlled and effectively reduced, and the energy density and capacity of the battery are improved.

The invention relates to the technical field of lens vacuum evaporation, and discloses an evaporation rate adjustable lens vacuum evaporation head structure which comprises an operation table, an adjusting groove is formed in the position, below a heating groove, of the inner wall of the operation table, a plurality of heating rings are installed on the edge of the inner wall of the heating groove at equal intervals, and a metal check block is connected to the inner wall of the heating groove in a penetrating and inserting mode. A metal stop block is fixedly arranged at one end of the connecting shaft, a contact shaft is fixedly arranged at the bottom of the metal stop block, an adjusting shaft is fixedly arranged at one end of the connecting shaft, and a propelling shaft is fixedly arranged at one end of the adjusting shaft. And after the contact shaft at the semispherical bottom is extruded, the metal stop block ascends and descends in the heating groove, and then different numbers of heating rings are blocked, so that heat dissipation of different degrees is blocked, the heating intensity of coating raw materials is controlled, the evaporation rate is controlled, and the lens processing efficiency is improved.

The present application relates to evaporator processing technical field, specifically is a kind of vacuum evaporator evaporation chamber structure processing equipment, including base, the upper end middle part of base is equipped with the welding component for clamping fixed cylinder and carries out welding to head and cylinder, the upper end of base is equipped with two left and right symmetrical arrangement locking component, locking component is equipped with straightening component;The present application is used to weld head and cylinder together, and the present application can lock head, increase the stability when welding head, prevent the deviation of head when welding head and cylinder, ensure the welding quality of head and cylinder, simultaneously the present application can also make the welding place of head vertical arrangement, further make the welding place of head and the welding place of cylinder closely fit, ensure that the weld distribution of head and cylinder is uniform, further ensure the welding quality of head and cylinder, and the present application can also clean the inner wall of the welding place of head and cylinder, ensure the use effect of evaporation chamber.

The invention relates to methods and apparatus for controlling water balance during lithium chloride brine electrolysis. A method is provided comprising supplying the anolyte product stream from electrolysis to a flash evaporator without mixing it with any other liquid stream between exiting the electrolyser and entering the flash evaporator, concentrating it by vacuum evaporation and recirculating the concentrated anolyte product to the electrolyser. A method is also provided comprising the use of forward osmosis prior to electrolysis in order to adjust the concentration of the initial feed brine such that it can be purified by ion exchange and then concentrated for electrolysis, in a manner that means that the entire feed brine can be prepared for electrolysis using forward osmosis, which requires very little energy input. Apparatus for performing the above processes is also provided.

The utility model relates to the technical field of industrial production of pleuromutilin, and specifically discloses a pleuromutilin extraction system to solve the problems of low yield, insufficient purity and low efficiency of clarity treatment in the existing pleuromutilin extraction mode, which comprises a three-stage countercurrent leaching system, a double-effect evaporation system, a methanol evaporation kettle, a layered tank and a vacuum evaporation crystallization system connected in sequence from the head to the tail. The three-stage countercurrent leaching system comprises three countercurrent leaching tanks and dryers connected in series from the head to the tail, and the discharge end of the first countercurrent leaching tank and the discharge end of the second countercurrent leaching tank are both provided with a slag excavator, and the discharge end of the third countercurrent leaching tank is provided with a slag extruder. The extraction system is used for extracting and processing pleuromutilin, and the pleuromutilin has high yield, high degree of automation and high purity.

The invention discloses a conveying and bearing mechanism of a Loadlock type ultrahigh vacuum evaporator, and relates to the wafer conveying technology of the evaporator, the conveying and bearing mechanism comprises a bearing platform installed on the upper portion in the evaporator, and a lifting oil cylinder is arranged on the left side of the upper portion of the bearing platform; a butt joint mechanism is arranged below the bearing platform, and the butt joint mechanism comprises a bottom supporting bearing ring; wherein the underpinning carrying ring is used for being in contact with the bottom end of the wafer transfer disc; a conveying mechanism is arranged on the right side of the bearing platform and comprises a conveying fork rod. According to the conveying and bearing mechanism of the Loadlock type ultrahigh vacuum evaporator, when a wafer body is driven to be conveyed through the conveying fork rod, dust and chippings are removed by penetrating through a partition vertical plate in the evaporator, residues are prevented from affecting the evaporation effect, accurate temperature control is conducted through the bottom bearing ring and the cooling pressing disc when a low-melting-point material is coated, and the conveying and bearing efficiency of the Loadlock type ultrahigh vacuum evaporator is improved. And the hanging flow phenomenon caused by overheat melting of the material is avoided.