56results about How to "Increase evaporation rate" patented technology

The invention relates to the technical field of process adjustment, in particular to an automatic adjustment method and system for the drying process of traditional Chinese medicinal materials, and the method comprises the following steps: monitoring the moisture evaporation condition of the traditional Chinese medicinal materials in the drying process in real time through a weight sensor, calculating the moisture evaporation speed of the traditional Chinese medicinal materials; and analyzing the relationship between the moisture evaporation speed and the environmental condition, dynamically adjusting the temperature and humidity condition to match the moisture evaporation speed requirement, and generating dry environment basic data. According to the method, the moisture evaporation rate and temperature and humidity conditions are monitored in real time, the drying environment is dynamically adjusted, uniform removal of moisture is ensured, heat and humidity distribution analysis is combined, the temperature and humidity in the drying chamber can be accurately adjusted, uneven local drying is avoided, the moisture evaporation rate and temperature and humidity changes in the drying process are dynamically adjusted and optimized, and the drying efficiency is improved. And the risk of excessive drying or moisture residue is avoided, control parameters are adjusted according to the difference between water evaporation and the target drying process, and the drying effect stability is improved.

The invention relates to the field of vacuum coating, in particular to a crystal hot-fix rhinestone vacuum coating device and a crystal hot-fix rhinestone vacuum coating process. The invention aims to solve the technical problem that the coating quality is reduced in the next coating process due to the fact that original coating materials are easy to accumulate and remain on the surface and in the heating container in the long-term high-temperature state and coating process of the heating container. In order to solve the technical problem, the vacuum coating device for the crystal ironed diamonds comprises a main box body, vacuum equipment is arranged at one end in the main box body, the vacuum equipment comprises a tank body, a plating material evaporation device is arranged in the tank body, the plating material evaporation device comprises a fixing column, the bottom of the fixing column is fixedly connected with the tank body, and the bottom of the fixing column is fixedly connected with the tank body. Threads are arranged outside the lower ends of the fixing columns. The evaporation disc can be replaced through the coating material evaporation device, and the replaced evaporation disc is cleaned, so that the phenomenon that the previous coating raw materials are easy to remain and accumulate around the evaporation disc in the long-term coating process is avoided.

The invention relates to aramid nanofiber-based carbonaceous aerogel and a preparation method thereof. The preparation method comprises the following steps: dispersing aramid fibers in an alkali solution, and washing with deionized water to obtain an aramid fiber dispersion liquid; performing vacuum filtration on the aramid fiber dispersion liquid, and performing freeze drying to obtain aramid fiber nanofiber aerogel; the aramid fiber nanofiber aerogel is subjected to carbonization treatment, and the aramid fiber nanofiber based carbonaceous aerogel is prepared. According to the preparation method disclosed by the invention, the highest evaporation rate of the obtained aramid nanofiber-based carbonaceous aerogel can reach 3.42 Kg / m < 2 > h by regulating and controlling the hydrolysis degree of the aramid fibers and combining vacuum suction filtration, and the aramid nanofiber-based carbonaceous aerogel has a good evaporation effect; in actual use, hydrophobic treatment is carried out on the upper surface of aerogel, and the defect that the photo-thermal evaporation effect of a product is reduced due to the fact that an open water layer is generated at a gas-liquid interface in the use process is effectively overcome.

The invention belongs to the technical field of soil layer drilling, and particularly relates to a construction drilling device and a supporting structure construction method.The device comprises a control mechanism, a bearing mechanism, a drilling mechanism, a dustproof mechanism and a backflow mechanism; the drilling mechanism comprises a drilling machine and a connector; the connector is used for connecting a drill bit and an output shaft of the drilling machine; the bearing mechanism comprises a bearing plate and a mounting plate for mounting a drilling machine, and the mounting plate is movably arranged on the side wall of the bearing plate; the movement of the bearing plate and the mounting plate is controlled by a control mechanism; the dustproof mechanism comprises a water curtain nozzle and a cooling nozzle; the water curtain nozzle and the cooling nozzle are annularly and uniformly arranged on the mounting plate along the axis of the connector; nozzles of the water curtain sprayers are obliquely arranged; through the cooperation of the structure, a cylindrical water curtain can be formed when the device drills a soil layer, the generated water curtain makes contact with a rock wall in real time, and dust is prevented from flying out as much as possible. By means of the device, efficient construction is conducted on a soil layer or a rock wall, and installation of a follow-up supporting structure is facilitated.

The invention relates to three-dimensional modified polyvinyl alcohol hydrogel as well as a preparation method and application thereof, and relates to the technical field of evaporation materials, few layers of FLG and alpha type Bi2O3 are doped in polyvinyl alcohol hydrogel, and Ppy vapor deposition is performed on the surface of the hydrogel to obtain the three-dimensional modified polyvinyl alcohol hydrogel 3D-PVA coated Bi2O3-FLG / Ppy PEMs. After the material prepared by the method is finally optimized, the evaporation rate reaches 4.03 kg / (m < 2 >. H), meanwhile, the stable evaporation rate of 3.06 kg / (m < 2 >. H) is shown in an evaporation experiment for simulating northern sea water polluted by methylene blue dye, and the degradation effect on pollutants in evaporated water reaches 81% in an illumination experiment. The material prepared by the method not only has high evaporation rate in seawater desalination application, but also shows great potential and application prospect in treatment of seawater polluted by organic dye.

The invention discloses a hydrogel evaporator for generating power by solar evaporation and a preparation method thereof, PVA is dissolved in deionized water to prepare a PVA solution, and then TOCNFs and SLS are added to prepare a polyvinyl alcohol / Tempo oxidized cellulose nanofiber / sodium lignin sulfonate (PTFS) suspension. Adding glutaraldehyde (GA) into the prepared suspension liquid, and adding a phytic acid solution (PA) and a multiwalled carbon nanotube dispersion liquid (CNT) after the suspension liquid is fully mixed, so as to prepare a PTFS hydrogel precursor solution; and directionally freezing the precursor solution by using liquid nitrogen, and finally freeze-drying to obtain the evaporation-power generation integrated low-latent-heat hydrogel evaporator. The prepared evaporator can generate clean water and electric power at the same time, and multi-stage utilization of energy is achieved. And the material also has excellent mechanical properties, is rich in internal water transmission channels, and has better adaptive capacity to the environment. The ultra-high evaporation rate can still be kept under high-intensity sunlight and in a high-concentration saline solution, and the seawater desalination efficiency of the solar evaporator is improved.

The solar-driven interface evaporation and condensation integrated seawater desalination device comprises a device shell, the device shell is in the shape of a right-angle triangular box with an inclined opening in the top, an evaporator is arranged in the device shell, and the evaporator is composed of a water storage layer, a supporting box body, a water conveying layer capillary tube and a photo-thermal conversion layer. The water storage layer is located in the supporting box body, the supporting box body is located at the inner corner of the device shell, the photo-thermal conversion layer is installed on the top of the supporting box body, a plurality of water conveying layer capillary tubes are fixedly connected to the bottom side wall of the photo-thermal conversion layer, and the bottom ends of the water conveying layer capillary tubes extend into the water storage layer. According to the solar seawater desalination device, the problem that evaporation is hindered due to water drop condensation caused by evaporation sealing is solved, the evaporation rate is increased, the evaporation process can be stably and efficiently carried out, the seawater desalination cost is saved, and the seawater desalination efficiency is improved.

The invention relates to a fermented grain fermentation, blending, distillation and airing integrated system which comprises an integrated container used for containing fermented grains, a first production unit used for achieving fermented grain fermentation, a second production unit used for achieving fermented grain blending and airing and a third production unit used for achieving fermented grain distillation. The integrated container can be operated among the three production units by utilizing the hoisting function of the travelling crane, and in each production unit, the integrated container is specially assembled at the top and the bottom of the integrated container so as to realize different production processes, and the integrated container is designed to allow the integrated container to be conveniently assembled and disassembled under the condition that the structure of the integrated container does not need to be replaced. And multiple rounds of white spirit brewing among different production units are realized only by replacing internal fermented grains. The equipment can simultaneously meet the technological operation requirements of four procedures of fermentation, mixing, distillation and airing, the number of equipment in the production link is reduced, the equipment management and maintenance are more centralized, and the production efficiency is higher.

The invention discloses a silicon nitride crystal based on a physical vapor transport method and a preparation method thereof, and the preparation method comprises the following steps: laying silicon nitride powder as a raw material at the bottom of a graphite crucible, fixing a seed crystal on a top cover of the crucible, placing the device in single crystal growth equipment, vacuumizing, heating to 1000-1300 DEG C, filling nitrogen to 800-1000 mbar, and preserving heat for 1-3 hours, the method comprises the following steps of: heating to the temperature of between 1,600 and 2,000 DEG C, inhibiting the decomposition of silicon nitride, continuously heating to the temperature of between 1,600 and 2,000 DEG C, adjusting the air pressure in equipment to 100 to 300 mbar, and promoting the silicon nitride to be decomposed into silicon steam and nitrogen. And controlling the temperature of a seed crystal area to be 1500-1700 DEG C and the axial temperature gradient to be 10-50 DEG C / cm, so that Si and N substances in a gas phase are crystallized on the surface of the seed crystal to generate a silicon nitride crystal. And after the crystal grows, filling inert gas and slowly cooling to room temperature to finally prepare the complete silicon nitride crystal. The preparation method disclosed by the invention is accurate in process and high in crystal quality, and the prepared silicon nitride crystal has the particle size of more than 500 microns and the purity of more than 5N, and is suitable for the field of application of high-end materials.

The present application relates to the production of electronic-grade chemicals, and in particular to a method and system for producing electronic-grade sulfuric acid by absorption. A method for producing electronic-grade sulfuric acid by absorption includes: cooling the waste gas generated after the combustion of liquid sulfur to produce industrial sulfuric acid, and catalytically converting it with a modified metal organic framework catalyst; evaporating high-oleum sulfuric acid to obtain sulfur trioxide gas and low-concentration oleum sulfuric acid; the heat utilized in the evaporation of oleum sulfuric acid is the heat generated by the cooling of the converted flue gas; the produced low-concentration oleum sulfuric acid is contacted with the forwarded flue gas to obtain high-concentration oleum sulfuric acid; the obtained high-concentration oleum sulfuric acid is repeatedly evaporated and purified; the purified sulfur trioxide gas is absorbed by sulfuric acid to produce electronic-grade sulfuric acid. The present application utilizes the waste gas and heat generated when liquid sulfur is used to produce industrial sulfuric acid to produce G5-grade electronic-grade sulfuric acid, which greatly saves energy and reduces energy consumption.

A rotary sludge high-efficiency drying device belongs to the field of sludge drying technology. The invention includes a base, a support seat fixedly installed on the top of the base, and a drying cylinder rotatably mounted inside the support seat. A sludge crushing mechanism is installed inside the drying cylinder. A drive seat is slidably mounted on the top of the base, and a feed cover is fixedly connected to the top of the drive seat. A discharge port is rotatably connected to the side wall of the drying cylinder, which, after being rotated and unlocked, is used to discharge the dried sludge. A cone-shaped nozzle periodically pierces and retracts from the sludge blocks located at the bottom of the drying cylinder. This piercing breaks the hard outer shell of the sludge, creating pores and cracks inside the sludge. High-temperature hot air can directly penetrate into the interior of the sludge blocks through these pores and cracks, significantly increasing the heat transfer contact area, improving the moisture evaporation rate in the initial drying stage, and shortening the residence time of the sludge in the drying cylinder, thereby improving the overall drying capacity and efficiency of the equipment.

According to the variable-flow IGBT evaporative cooling system and the control method provided by the invention, dryness online calculation and closed-loop control based on pressure and density signals are introduced into the IGBT evaporative cooling system, so that accurate sensing and active regulation and control of a phase change state of a cooling medium are realized; therefore, it is ensured that the IGBT module is always in a gas-liquid mixing environment with the optimal heat exchange efficiency, the efficient heat dissipation capacity of phase change latent heat is fully utilized, local overheating or temperature fluctuation caused by excessive evaporation or insufficient liquid phase is avoided, the heat dissipation uniformity, stability and energy efficiency are fundamentally improved, and the heat dissipation efficiency is improved. The self-adaptive capacity of the system to different load working conditions is enhanced, and the guarantee is provided for long-term reliable operation and service life prolonging of the IGBT module through direct control over the key state quantity of dryness.

The invention provides a three-time air supply methanol-to-hydrogen combustion evaporator which comprises a heat exchanger, a combustion evaporator body, a combustion chamber and a three-time air supply device, the air outlet end of the heat exchanger communicates with the three-time air supply device, and the three-time air supply device is arranged at the top of the combustion chamber. The tertiary air supply device blows flames generated during combustion of the combustion chamber to the combustion evaporator, the heat exchanger is used for preheating normal-temperature air, and the tertiary air supply device supplies air to the combustion chamber. The three-time air supply design is adopted, so that combustion is more complete, the flame temperature distribution is uniform, the heat efficiency is greatly improved, and fuel waste is reduced. Through gas preheating and waste heat recovery, external energy input is reduced, the operation cost of the system is remarkably reduced, and the energy-saving and environment-friendly trend is met. The high-temperature gas guide pipe guides waste heat back to the heat exchanger, heat energy recycling is achieved, the overall heat energy utilization rate is increased, and emission loss is reduced.

The present invention relates to a compressible and resilient chitosan / carbon black composite material, and a preparation method and application thereof. A compressible and resilient chitosan / carbon black composite material with a hierarchical structure having both rigidity and flexibility is prepared by an alkali replacement method assisted by an ice template. A three-dimensional porous chitosan / carbon black composite material is constructed by combining the hydrogen bonding within and between chitosan molecules using an ice template, thereby solving the problems of traditional chitosan hydrogels being easily broken, having low toughness, and having poor mechanical properties under high stress and strain. The chitosan / carbon black composite material has good compression and rebound effects under high stress and strain, and is used for evaporation and desalination of high-concentration brine. It can operate stably in high-concentration brine and has good salt resistance.

The application provides a floating disc, comprising a first structure part and a second structure part which are integrally connected, the first structure part and the second structure part are respectively arched in directions away from each other, so that the outer surfaces of the first structure part and the second structure part form cambered surfaces, and the inner surfaces of the first structure part and the second structure part enclose a closed cavity. The floating disc provided by the application has a structure with a closed cavity, can float on the water surface, plays a shielding role on the water surface, and further avoids sunlight from irradiating the water surface to accelerate the evaporation rate of water on the water surface, is beneficial to reducing the water evaporation rate, reducing water loss, and the floating setting of the floating disc on the water surface can also adsorb the evaporated water vapor, is beneficial to condensation and backflow of the water vapor to the water surface, avoids loss of the water vapor, further reduces the loss of water, and is beneficial to reducing the water loss amount.

The invention discloses a preparation method and application of a degradable hydrogel solar evaporator with a surface microstructure, and relates to the technical field of interface evaporation materials. The invention aims to solve the problems that an existing solar evaporator is low in evaporation efficiency, difficult to recycle after alkaline wastewater treatment, easy to form solid wastes and lack of an in-situ degradation environment-friendly scheme. Functional groups capable of being subjected to hydrolysis reaction under alkaline conditions are introduced into a hydrogel network, and the evaporator with a specific geometric structure is constructed by utilizing a photocuring 3D printing technology, so that the evaporator keeps structural stability and high evaporation performance in a use stage, and can be degraded according to preset conditions in an alkaline environment; therefore, the evaporator can disappear controllably after being used. According to the method, the photocuring 3D printing technology is combined, accurate design of the macroscopic shape and the microstructure of the evaporator is achieved, the surface microstructure of the evaporator is one or more of a spherical structure, a prismatic table structure and a tree-shaped structure, and the evaporation rate can be increased.

The application discloses a kind of multi-level pore structure aerogel based on pulsed laser and preparation method and application, belong to solar energy conversion and utilization technical field.It is inorganic material containing silicon nano as freezing base element, biomass polymer is crosslinking agent, deionized water is solvent, three are uniformly mixed and stand to form hydrogel after solidification, then freeze to form ice crystal, then remove ice crystal to form micron-nanometer level porous aerogel using freeze drying technology;Finally, the micron-nanometer level aerogel obtained is customized punched using pulsed laser technology Millimeter hole, finally obtain millimeter-micron-nanometer multi-level pore aerogel.The application first uses the high single-pulse energy of laser, and the customization optimization regulation and control of millimeter level hole of aerogel is not limited by the size and shape of template, and only through simple programming can realize the diversified design of millimeter hole, which is simple, stable in process and good in reproducibility.

This invention belongs to the field of solar water evaporation technology, and discloses a high-efficiency solar water evaporator, its preparation method, and its application. The preparation method includes the following steps: (1) Clean and dry coconut fibers, take multiple coconut fibers and weave them into a rope, and then cut them into coconut fiber ropes of the same length; (2) Embed the above-mentioned coconut fiber ropes of the same length into a sponge in an m×n array, wherein the lower end of the coconut fiber rope is flush with the bottom surface of the sponge, while its upper end protrudes from the top surface of the sponge by a certain height; (3) Immerse the part of the above-mentioned coconut fiber rope array protruding from the top surface of the sponge in a sodium alginate solution containing carbon black for surface coating treatment, and then take it out and air dry naturally to obtain a high-efficiency solar water evaporator based on a coconut fiber array. This invention has the characteristics of wide material sources, low cost, simple evaporator construction method, and high water evaporation rate, and has better prospects for large-scale preparation and commercial application.

The present application relates to the technical field of vacuum coating, in particular to a rotating-evaporation rate collaborative control method and system based on deposition distribution model, which establishes a deposition process model containing an evaporation source distribution model, a substrate kinematics model and a cumulative dose model; based on the model, a rotating speed ω(t) and an evaporation rate R i (t) are optimized variables, a collaborative control trajectory is generated through multi-objective optimization; the trajectory is executed; and deposition state data is obtained in real time during the coating process, compared with the model prediction value, the model parameters are corrected online and the trajectory is regenerated, realizing rotating-evaporation rate collaborative control. The method first promotes the rotating speed from a fixed parameter to an active control variable, optimizes it collaboratively with the evaporation rate, increases a completely independent control degree of freedom, fundamentally breaks through the uniformity and component precision upper limit of traditional single-variable control, and solves the poor uniformity problem of perovskite photovoltaic components in the prior art.

The invention provides an aluminum-based carbon film photo-thermal evaporator and a preparation method and application thereof.The preparation method specifically comprises the following steps that laser etching is conducted on the surface of an Al sheet, an AL sheet with a periodic groove-shaped structure on the surface is obtained, and a product 1 is obtained; dropwise adding a furfural oxalic acid solution into the periodic groove-shaped structure on the surface of the product 1, and obtaining a product 2 when a uniform liquid film is formed on the periodic groove-shaped structure on the surface of the product 1; carrying out prepolymerization and carbonization treatment on the product 2 to obtain a product 3; the photothermal conversion efficiency and the evaporation rate of the aluminum-based carbon film photothermal evaporator are remarkably improved, a concentrated saline water drainage mode is further combined, and by means of the concentrated saline water drainage mode, the evaporation rate of the aluminum-based carbon film photothermal evaporator is improved. And the high-performance interface solar evaporation system which has excellent salt resistance and keeps stable and efficient operation in the long-term evaporation process is obtained.

The utility model discloses a high-salinity wastewater concentration system for an industrial park. The high-salinity wastewater concentration system comprises a boiler dead steam discharge pipeline, a condenser, a heat exchange medium circulation pipeline, an indirect cooling tower and a wastewater evaporation concentration tower, a bottom air inlet of the indirect cooling tower is provided with a heat exchange tube grid; a heating pipe is arranged in the wastewater evaporation and concentration tower; the boiler dead steam discharge pipeline passes through the condenser hot end, and the heat exchange medium circulation pipeline passes through the condenser cold end; a heat exchange medium circulating pipeline communicated with an outlet of the cold end of the condenser is divided into two branches, one branch passes through the heat exchange pipe grid, the other branch passes through the heating pipe, and the two branches are converged and then communicated with an inlet of the cold end of the condenser. According to the utility model, boiler dead steam waste heat is used as a heat source for evaporation and concentration of wastewater in an industrial park, so that the wastewater concentration cost of the park is greatly reduced, cooling capacity can be provided for the dead steam cooling process, and energy conservation and emission reduction are realized.

This invention discloses a coating composite structure and a coating device. The composite structure includes at least a first structural component, a second structural component, and a third structural component. The first and second structural components are assembled to form a coating head liquid outlet, and the third structural component is assembled to form an air knife outlet. The second structural component is positioned between the first and third structural components. The coating head liquid outlet and the air knife outlet are located on the same side of the coating composite structure. The integration of coating and drying core functions is achieved through the coordinated installation of the first, second, and third structural components, replacing the independent components and support designs of the coating head and air knife in traditional coating equipment. This makes the coating and drying process flow structure more compact and significantly reduces the distance between the coating head liquid outlet and the air knife outlet, allowing for a closer connection between the perovskite solution coating and air curtain drying processes.

The invention discloses a bionic underground water extraction device, and relates to the technical field of water conservancy energy related equipment. Wherein the evaporation water pumping system comprises a water guide pipe, an evaporation box, a regulating reservoir arranged in the evaporation box and evaporation blades arranged on the regulating reservoir; the upper end of the water guide pipe sequentially penetrates through the bottom face of the evaporation box and the bottom face of the adjusting reservoir and then makes close contact with the bottoms of the evaporation blades, and the lower end of the water guide pipe is used for being connected with underground water. The condensation water collection system comprises a condensation water collection tank and an air cooling pipe arranged on the condensation water collection tank; and the evaporation tank is communicated with the condensation water collection tank through a gas guide pipe. The device utilizes the plant evaporation water absorption principle, can directly utilize solar energy and wind energy to raise the water level to take water, has the advantages of economy, environmental protection and low cost, and realizes energy conservation and emission reduction to take water.

The utility model provides green low-carbon liquid enhanced evaporation equipment capable of being used in low-temperature weather, which comprises a water suction pump, an underground heat-preservation aeration tank, a solar heating device, a heating air supply device and a microporous aeration device, and a solar heating pipe of the solar heating device and the microporous aeration device are arranged in the underground heat-preservation aeration tank. The waste water is heated by solar energy, aeration treatment is carried out, the evaporation capacity and the evaporation efficiency are greatly improved, after steam is condensed, formed evaporation condensate water is recycled, and the requirements of actual production are met.

The embodiment of the present application discloses a kind of inverted solar multistage evaporation water purifier, comprising: multistage evaporator, multistage evaporator outside is provided with shell, the top of multistage evaporator is set to be connected with raw water pool by pipeline at opening, the lower surface of the multistage evaporator is provided with condenser.The multistage evaporator includes the heating disc of bottom layer, and a plurality of evaporation discs are arranged directly above the heating disc.The top of the heating disc and the evaporation disc is provided with hole.The top of the outer side of the heating disc and the evaporation disc is provided with baffle, and the bottom of the outer side of each evaporation disc is provided with sealing drainage cloth;The upper portion of each baffle and the bottom of sealing drainage cloth contact.The edge position of the heating disc and the evaporation disc is also provided with drainage outlet.The embodiment of the present application is high in water production efficiency, with self-cleaning function, frequent maintenance is not needed, energy utilization rate is high, and cost is low.

This utility model relates to the field of spray drying technology, specifically to plasma-assisted spray drying equipment, including a drying tower, a plasma generator, a first feeding hopper, a second feeding hopper, and a return pipe. The plasma generator is installed on the top of the drying tower, and a first high-pressure pump and a second high-pressure pump are respectively installed on the upper ends of both sides of the drying tower. This novel plasma-assisted spray drying equipment has a structure with two sets of atomizing nozzles inside the drying tower, which can spray from different angles and positions, greatly increasing the coverage area of ​​the spray inside the drying tower, allowing more material to come into full contact with the atomized droplets simultaneously, thereby accelerating the drying speed and improving the drying efficiency. Moreover, it has the function of collecting and reusing the exhaust gas after atomization drying, thus effectively improving the environmental friendliness of the spray drying equipment.

This invention relates to an MVR system based on thermally stimulated flash evaporation and circulating rising film heat exchange, comprising a rising film heat exchanger, a vapor-liquid separator, a preheater, a thermally stimulated heater, and a throttling device. The preheater is connected to the thermally stimulated heater, and the condensate inlet of the preheater is connected to the condensate outlet of the rising film heat exchanger. The material outlet of the thermally stimulated heater is connected to the feed inlet of the rising film heat exchanger through the throttling device. The rising film heat exchanger is connected to the vapor-liquid separator so that the secondary steam in the rising film heat exchanger enters the vapor-liquid separator. The separated vapor phase is compressed and then fed back into the rising film heat exchanger as a heat source. The concentrated liquid flowing out of the vapor-liquid separator and the rising film heat exchanger is collected when its concentration is qualified; otherwise, it is pressurized and reinjected into the thermally stimulated heater for reuse. This invention can form a stable annular flow without relying on a large temperature difference, matching the narrow temperature difference heat transfer characteristics of the MVR system and significantly reducing the high-grade energy consumption of the rising film heat exchanger.

This application relates to an immunohistochemistry humidifier with precise and stable internal humidity. Specifically, an air pump and a humidity sensor are installed inside the humidifier. The air pump circulates air within the humidifier, causing the humidity inside to rise rapidly. The humidity sensor detects the humidity level inside the humidifier. Together, these two components enable the humidifier to quickly reach an ideal humidity environment, thereby improving the quality of sample processing and ensuring the accuracy of subsequent experimental or detection results.

The present invention discloses a low-power and high-efficiency evaporation device and method for a pure humidifier, comprising an evaporator for being placed in a water tank, the evaporator comprising a driving shaft, a plurality of evaporating sheets being mounted on the driving shaft, a metal sheet being arranged inside the evaporating sheet, an electromagnetic inductor corresponding to the metal sheet being arranged on one side of the evaporator, the electromagnetic inductor and the metal sheet forming an eddy current magnetic field, the metal sheet being used to correspond to the electromagnetic inductor at least once during the rotation of the evaporator, and the electromagnetic inductor electromagnetically induces the metal sheet when the evaporator rotates and increases the temperature of the evaporating sheet, forming a water film on the evaporator, starting the electromagnetic inductor, so that the electromagnetic inductor and the metal sheet inside the evaporating sheet form an eddy current magnetic field, thereby increasing the temperature of the metal sheet inside; the evaporating sheet is heated as a whole, and then the water film is heated to evaporate the water film; in order to optimize the existing humidifier and increase the humidification amount, it may result in excessive energy consumption of the fan and even noise problems.