164results 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 discloses a normal-temperature rapid early-strength high-performance asphalt cold-patch material and a preparation method thereof, and the asphalt cold-patch material comprises the following substances in percentage by mass: 80-86 wt% of aggregate, 7.5-11 wt% of mineral powder, 0.5-1 wt% of cement, 0.5-1 wt% of slaked lime, 0.2-0.4 wt% of bentonite, 0.2-0.4 wt% of lignin fiber and 5-7 wt% of asphalt cold-patch liquid, d40 dearomatization solvent naphtha or a mixture of D40 dearomatization solvent naphtha and D60 dearomatization solvent naphtha is used as a diluent in the asphalt cold supplementing liquid. The method comprises the following steps: preparing asphalt cold supplementing liquid; drying the aggregate, the mineral powder, the cement, the slaked lime and the bentonite; putting the aggregate, the cement, the slaked lime, the bentonite and the lignin fiber into a mixing pot and stirring; adding the asphalt cold supplementing liquid into the mixing pot and stirring; and adding the mineral powder into the mixing pot, and stirring to obtain the rapid early-strength high-performance asphalt cold patch material at normal temperature. The asphalt cold-patch material disclosed by the invention can quickly form strength within an extremely short time, ensures quick passage after pit slot repair, and maximally reduces the influence of traffic transportation.

The invention discloses a hydrogel thin layer-foam-based solar evaporator and a preparation method and application thereof, and belongs to the field of water treatment. The invention provides a hydrogel thin layer-foam-based solar evaporator. The hydrogel thin layer-foam-based solar evaporator comprises a foam substrate, a photo-thermal layer and a hydrogel thin layer, a photo-thermal layer and a hydrogel thin layer are sequentially coated on the foam substrate, or the photo-thermal layer, the hydrogel thin layer and the photo-thermal layer are sequentially coated on the foam substrate. The photo-thermal layer is made of a carbon-based indium material and is obtained by mixing an indium nitrate solution and a trimesic acid solution, preparing a precursor through a hydrothermal method and calcining the precursor in a protective atmosphere. The hydrogel thin layer-foam-based solar evaporator has efficient evaporation rate and energy utilization efficiency, and under irradiation of one sun, the FCH evaporation rate and the energy efficiency are 7.93 kgm <-2 > h <-1 > and 315% respectively; in addition, the compound also shows excellent salt resistance in 3.5-20wt.% of saline water, and also has a relatively high evaporation rate in acid-base and various dye sewage.

The invention discloses a Janus structure photo-thermal fabric with adjustable wettability and a preparation method and application thereof, and belongs to the technical field of solar interface water evaporation. According to the wettability-adjustable Janus structure photo-thermal fabric, a hydrophobic carbon fiber fabric serves as a substrate, a hydrophilic layer is arranged on one side of the hydrophobic carbon fiber fabric, a hydrophobic layer is arranged on the other side of the hydrophobic carbon fiber fabric, the hydrophilic layer is a deposited CuS layer, and the hydrophobic layer is a non-deposited CuS layer. And the hydrophilic layer with radial pores is formed by connecting CuS nanosheets grown on the surface of the hydrophobic carbon fiber fabric in a staggered manner. The problems that in the evaporation process of an existing two-dimensional evaporator, due to water energy imbalance, heat loss and evaporator surface salt deposition are caused, and due to the fact that light absorption and water transmission of the evaporator coexist in the same space, inevitable mutual influence is caused can be solved, and the efficient and long-term stability of the evaporator 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 discloses a biomass photo-thermal interface evaporation material based on a nano TiO2-CNT photocatalytic thermal insulation layer, a preparation method of the biomass photo-thermal interface evaporation material and application of the biomass photo-thermal interface evaporation material in solar-driven interface evaporation, photo-thermal seawater desalination and sewage treatment. The preparation method comprises the following steps: S1, pulp pretreatment: softening pulp and removing saccharides and impurities; s2, preparing a carbonization layer; s3, a photocatalytic heat insulation coating is coated; S3.1, a photocatalytic heat insulation coating solution is prepared, wherein nanometer titania, carbon nanotubes, polyvinyl alcohol and lauryl sodium sulfate are taken and added into water, and a photocatalytic heat insulation layer solution is obtained; s3.2, a photocatalytic heat insulation coating is coated; and S4, pyrrole coating: uniformly coating the carbonized layer of the cactus pulp block with pyrrole, then uniformly coating the carbonized layer coated with pyrrole with the oxidant aqueous solution, and carrying out full polymerization reaction to obtain the biomass photo-thermal interface evaporation material Ppy / CTPS cactus.

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 relates to a high-temperature heat dissipation material Ti-6Al-4V and a preparation method, application and a testing device and method thereof, and the method comprises the following steps: ablating a polished and cleaned Ti-6Al-4V material by using a femtosecond laser, and preparing a series of parallel grooves in the surface of the material by using accurate laser parameters, the depth of the grooves being 56 [mu] m, and the distance between the adjacent grooves being 90 [mu] m; performing a vertical evaporation test on the prepared Ti-6Al-4V material at a high temperature to obtain evaporation rates and water film states of the Ti-6Al-4V material at different temperatures; benefited from rich micro-nano structures on the surface of the Ti-6Al-4V material, the Ti-6Al-4V material shows good water absorption and evaporation functions under an extreme high-temperature condition, the test temperature breaks through the 150 DEG C high-temperature limit of the current M-cycle, a gate is opened for higher-temperature M-cycle technology application, and the material has good application prospects. And the heat dissipation requirements of high-temperature scenes such as an industrial cooling system and a nuclear power station are met.

The invention discloses a preparation method and application of a solar-driven biomass-based moisture absorption gel, and the preparation method of the gel comprises the following steps: pouring a commercially available gluten flour, montmorillonite and LiCl mixture into deionized water, stirring, heating and gelatinizing, then carrying out directional freezing treatment on the mixed solution, and after the mixed solution is frozen to be firm, carrying out freeze drying treatment to obtain the solar-driven biomass-based moisture absorption gel. The biomass-based moisture absorption gel which has excellent moisture absorption performance and is driven by solar energy to release moisture is prepared. The moisture absorption gel can capture moisture from air, utilizes solar energy to drive moisture release, has excellent performance of taking water from air, and is green and clean.

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 relates to the field of automobile clothing, and discloses an elastic base material for spraying an automobile clothing as well as a preparation method and application thereof, the elastic base material for spraying the automobile clothing comprises a polyurethane prepolymer, modified polydimethylsiloxane, a photoinitiator and an alcohol solvent; the polyurethane prepolymer is prepared from polycarbonate diol, modified fluorine-containing diol, isocyanate, 2, 2-dimethylolbutyric acid and modified nano silicon dioxide as raw materials, the modified fluorine-containing diol and the modified nano silicon dioxide are connected to a polyurethane main chain, pentaerythritol triacrylate is used as an end-capping reagent, and p-hydroxyanisole is used as a polymerization inhibitor, so that the polyurethane prepolymer is prepared. A polyurethane prepolymer and sulfydryl-terminated modified polydimethylsiloxane react under the action of a photoinitiator to form a heavy cross-linked network, so that the elastic base material is endowed with excellent mechanical properties, antifouling properties, thermal stability and flame retardance.

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 relates to a normal-pressure continuous production method of an aerogel composite material, which comprises the continuous and uninterrupted assembly line steps of sol and polycondensation agent preparation, unwinding, hedging negative pressure impregnation, gel or gel thickness determination, aging, solvent replacement, normal-pressure microwave drying, hot air drying, winding and the like. By setting hedging negative pressure gum dipping, the gum dipping speed, the sol filling rate and the gum dipping uniformity are guaranteed, microwave treatment is introduced in the steps of aging, replacement, drying and the like, assembly line production can be carried out at a relatively high speed, production can be carried out under normal pressure, and the prepared product has the technical effects of being uniform and stable.

The utility model relates to a water mist remote injection system based on magnetized water. On one hand, an axial flow fan drives air jet flow to be rectified through a rectifying section to form high-speed axial air jet flow; on the other hand, water is driven by a water pump to be introduced into a proportional mixer to be mixed with an additive, the mixed water is introduced into a magnetizing device, the hydrogen-bond interaction of water molecules is changed, and therefore the viscosity and surface tension of fog drops are improved, and finally the fog drops are sprayed out through a supersonic airflow atomization nozzle arranged on the mixing section of the air duct; under the boosting and protection effects of the high-speed axial air jet flow, the situations of diffusion, liquid drop coalescence and the like of mixed spray are not prone to occurring, remote spraying of effective media is achieved, and the particle size of the mist media at the remote target position is remarkably reduced.

The invention belongs to the technical field of lining pipe production equipment, and mainly provides a heat distribution pipeline lining pipe with a heat insulation effect and lining pipe production equipment. Comprising an extrusion device, the extrusion device is provided with a sleeve, the sleeve is fixedly connected with first hard pipes which are evenly distributed in the circumferential direction, the first hard pipes are communicated with spraying heads, the first hard pipes which are evenly distributed in the circumferential direction are jointly communicated with a first annular shell, the first annular shell is communicated with a second hard pipe, and the second hard pipe is communicated with a connecting shell. The sleeve communicates with third hard pipes which are evenly distributed in the circumferential direction, the third hard pipes which are evenly distributed in the circumferential direction jointly communicate with a second annular shell, and the sleeve is fixedly connected with a fan. Water is sprayed to the surface of the lining pipe through the spraying heads evenly distributed in the circumferential direction, the water attached to the surface of the lining pipe cannot flow downwards through the draught fan, and therefore the situation that the lining pipe is cooled unevenly due to the fact that water flow moves downwards is avoided, and the mechanical strength of the lining pipe is prevented from being reduced in the production process.

The invention provides radiation and evaporation integrated refrigeration fabric and a preparation method thereof, and belongs to the field of radiation refrigeration materials. The radiation and evaporation integrated refrigeration fabric comprises a hydrophobic layer, a transfer layer, an evaporation layer and a radiation refrigeration layer with the hydrophobic property. The four layers are prepared layer by layer through an electrostatic spinning technology and are stacked layer by layer. The hydrophobic layer, the transfer layer and the evaporation layer have the hygroscopic gradient from hydrophobic to hydrophilic and the diameter gradient from large to small of the fiber diameter. Sweat is prevented from reaching the outer surface of the fabric through the hydrophobic radiation refrigeration layer on the top layer, and the problem that the radiation refrigeration effect is reduced due to the fact that the sweat is gathered on the surface of the fabric and strongly absorbs sunlight in the near-infrared band is solved. Sweat generated on the skin side can be quickly transferred from the hydrophobic layer and transferred to the evaporation layer for evaporation under the action of pressure difference, so that the sweat evaporation rate is increased while the sticky feeling of the sweat on the skin side is avoided. Effective human body cooling is achieved through the combined action of radiation refrigeration and evaporation refrigeration.

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.

The invention discloses a salt-tolerant biomass photo-thermal interface evaporation material as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, peeling fresh cactus, cutting pulp into blocks, putting the blocks into water, and heating at 50-70 DEG C under a stirring condition; s2, the block-shaped cactus pulp obtained after treatment in the step S1 is taken out of water and placed on a heating flat plate, so that one plane of the block-shaped pulp makes contact with the high-temperature heating flat plate until the treated surface becomes a black carbonized layer, and the thickness of the carbonized layer is 0.8-1.2 mm; and S3, uniformly coating the carbonized layer of the cactus pulp with pyrrole, then uniformly coating the carbonized layer coated with pyrrole with an oxidizing agent aqueous solution with the concentration of 50-80 mM, and carrying out full polymerization reaction to obtain the salt-tolerant biomass photo-thermal interface evaporation material, namely polypyrrole (at) cactus. The salt-tolerant biomass photo-thermal interface evaporation material can be applied to solar-driven interface evaporation, photo-thermal seawater desalination and sewage treatment.

According to the preparation method of the polypyrrole / hot-pressed melamine sponge aerogel provided by the invention, the polypyrrole is loaded on the hot-pressed melamine sponge in situ by utilizing a pyrrole polymerization reaction, the obtained aerogel can fully utilize the excellent optical performance of the polypyrrole and the porous structure of the hot-pressed melamine sponge, and the polypyrrole / hot-pressed melamine sponge aerogel is prepared. The preparation of the polypyrrole / hot-pressed melamine sponge aerogel which is high in mechanical property, super-hydrophilic, low in thermal conductivity and high in photo-thermal conversion efficiency is realized. The polypyrrole / hot-pressed melamine sponge aerogel prepared by the method provided by the invention can be applied to solar evaporation in saline water, actual seawater or heavy metal wastewater so as to obtain a clean water source.

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 utility model discloses a double-effect energy-saving evaporator of a heat pump, which belongs to the technical field of evaporators, solves the problems that the temperature in an evaporation chamber is increased only through steam in a heating chamber and the evaporation efficiency is slow in the existing device, and comprises a first-effect heating chamber, and the other side of the first-effect heating chamber is communicated with a first-effect evaporation chamber through a first-effect steam pipe. A first pressurizing assembly is arranged on the first-effect evaporation chamber, the second-effect heating chamber and the first-effect evaporation chamber are the same in specification, a second pressurizing assembly with the same specification as the first pressurizing assembly is arranged on the second-effect heating chamber, and a first-effect electromagnetic valve, a first electromagnetic valve and a first-effect discharging valve are closed, then an air cylinder is started to push a pressing disc downwards, and the first-effect evaporation chamber and the second-effect evaporation chamber are heated. The pressure in the first-effect evaporation chamber can be increased, meanwhile, the boiling point of the solvent can be reduced, the evaporation rate of the solvent can be increased, the evaporation rate of the solvent in the second-effect evaporation chamber can be increased through the second pressurizing assembly, the purpose of increasing the evaporation rate of the solvent is achieved, and a high-concentration solute can be obtained rapidly.

The invention belongs to the technical field of water treatment, and particularly relates to a hydrogel-reverse osmosis membrane coupling interface evaporation device for desalination treatment of heavy salt water. Comprising an evaporation device body, an electronic balance, a sunlight simulation device and a constant-temperature and constant-humidity cavity, the whole evaporation device body is placed in the constant-temperature and constant-humidity cavity, and the constant-temperature and constant-humidity cavity is used for guaranteeing constant temperature and humidity in the evaporation process. For seawater desalination, brine concentration, high-salinity wastewater deep treatment and other processes, interface evaporation and membrane filtration processes are coupled, Laplace force generated by hydrogel surface evaporation in the evaporation process is used for providing power needed by membrane filtration, the evaporation process and the desalination process are decoupled, salt is effectively prevented from scaling on the surface of hydrogel, and the membrane filtration efficiency is improved. A novel solution idea and scheme are provided for low-consumption and high-efficiency desalination, the interface evaporators can be manufactured in batches by adopting the hydrogel and the reverse osmosis membrane body, and the method has the characteristics of low cost, simplicity in operation and the like, and has very high practicability and economical efficiency.