91results about "Drying using combination processes" patented technology

A shoe care device includes a cabinet and a door. The cabinet forms an accommodation space and a main opening. The main opening opens the accommodation space in a first direction which is the horizontal direction. The door is configured to open or close the main opening. The cabinet and the door together form the accommodation part. The accommodation part includes an accommodation bottom part, an accommodation extension part, and an accommodation side part. The accommodation bottom part is formed on the upper surface of the cabinet. The accommodation bottom part forms a surface on which an item can be seated. The accommodation extension part is formed on the upper surface of the door. The accommodation extension part has a surface, which is adjacent to the accommodation bottom part and is formed to have the same height as the accommodation bottom part.

The invention relates to high-elasticity polyester woven dyed cloth and a production process thereof, and relates to the technical field of cloth. S2, weaving; s3, carrying out pretreatment; s4, dyeing; s5, carrying out post-treatment; according to the method, the high-elasticity polyester woven dyed cloth is prepared, the preparation efficiency of the high-elasticity polyester woven dyed cloth can be effectively improved, meanwhile, in the step S4, dyeing and drying integrated equipment is used, the cloth can be rapidly dyed and dried, follow-up steps are facilitated, and the production efficiency of the high-elasticity polyester woven dyed cloth is improved. The production efficiency of the high-elasticity polyester woven dyed cloth is greatly improved, the dyeing efficiency of the cloth can be guaranteed, the defects of uneven dyeing and the like of the cloth are effectively prevented, and the output effect of the high-elasticity polyester woven dyed cloth is guaranteed.

The invention relates to a waste vinasse drying treatment method. The method comprises the following steps: carrying out mechanical pressure filtration on original waste vinasse provided in batches in a solid-liquid separation manner; dehydrating the waste distiller's grains in a manner of removing moisture in the waste distiller's grains and gas influencing the caking rate; and screening the high-fiber waste vinasse and the heated and dehydrated waste vinasse separated from the organic matter-enriched waste vinasse based on a protein content differential separation mode to obtain oversize products for pyrolysis and undersize products for feed. According to the method, more moisture is reserved in the waste distiller's grains with high caking rate in mechanical filter pressing, the water in the waste distiller's grains can enable the waste distiller's grains to be agglomerated more easily, meanwhile, the high heat capacity characteristic of water can provide more uniform heat conduction for the waste distiller's grains, and the situation that the internal and external dehydration uniformity is not uniform due to local overheating of the waste distiller's grains is avoided.

The invention discloses a compound for flue gas deoxidation and a flue gas deoxidation method, and relates to the technical field of flue gas treatment for preventing spontaneous combustion injection of residual coal in a goaf. The compound comprises coal semicoke and a composite metal oxide which are mixed, wherein the composite metal oxide comprises CoO and CuO in a mass ratio of 7: (2.5-3.5); the compound is combusted through a fixed bed, and flue gas generated by combustion is deoxidized; when the coal semicoke is used for catalytic combustion deoxidation, CoO and CuO in a certain proportion are added, so that the oxygen consumption rate is high, the CO generation amount and the CO concentration are low, the ignition point is reduced, and the comprehensive effect is good; the problem that the concentration of O2 and the concentration of CO in the flue gas are too high when the flue gas is injected into an underground goaf is solved.

The invention belongs to the technical field of biological medicine, and discloses a method for recycling moisture of cistanche based on evaporation, cistanche rotary evaporation recycled water and application, the method comprises the following steps: selecting, cleaning, wiping and cutting cistanche, drying the cistanche by adopting rotary evaporation drying, and recycling moisture generated in the process to obtain the cistanche rotary evaporation recycled water. According to the method, the comprehensive utilization rate of the cistanche drying process is increased, the application field of food and medicine homologous agricultural product processing by-products is expanded, a new solution is provided for green sustainable development of the food industry, the problems of waste water recycling and reutilization in the food and medicine homologous agricultural product drying process are solved, and the method is suitable for industrial production. And a new technical route is provided for active ingredient recovery and resource cyclic utilization of cistanche deserticola.

The invention relates to the technical field of textile engineering, and discloses a textile fabric drying device for textile engineering and a using method thereof.The textile fabric drying device comprises a drying chamber, flow guide holes are formed in the two sides of the drying chamber, and a driving shaft and a transmission shaft which are symmetrically arranged are rotationally arranged on the two sides of the inner wall of the drying chamber correspondingly; a vertical plate is fixedly arranged on the inner wall of the drying chamber, sliding holes are formed in the two ends of the interior of the vertical plate, sliding blocks are arranged in the sliding holes in a sliding and penetrating mode, connecting frames are fixedly arranged on the outer walls of the sliding blocks, pressing plates are fixedly arranged at the ends, close to each other, of the two connecting frames, and a movable extrusion mechanism is arranged on the back side of the vertical plate; an air heater is fixedly arranged on the back side of the drying chamber, and the air outlet end of the air heater communicates with an air outlet pipe. According to the textile fabric drying device for textile engineering and the using method thereof, the upper side and the lower side of the textile fabric can be heated at the same time, it is guaranteed that the textile fabric can be effectively dried in the conveying process, and drying blind areas are avoided.

The invention relates to the technical field of traditional Chinese medicinal material processing, in particular to an intelligent traditional Chinese medicinal material drying device which comprises a barrel, a drying cavity is formed in the barrel, the barrel is further provided with a feeding port and a discharging port, and the discharging port and the feeding port both communicate with the drying cavity; the lifting cylinder is located between the drying cavity and the feeding opening, the first end of the lifting cylinder communicates with the feeding opening, and a material throwing opening is formed in the second end of the lifting cylinder and located in the top of the drying cavity; according to the device, a hot air drying method of throwing and rolling is adopted, the medicinal materials are thrown after being lifted by the lifting screw rod, hot air is continuously jetted and conveyed from the micropores at high pressure, air flow is evenly boiled, and the drying efficiency is improved. And the uniform drying effect is achieved.

The invention relates to the technical field of ethylene-propylene insulation material production, in particular to a freeze-drying device and process for ethylene-propylene insulation material production, comprising a moving seat, a plurality of traveling wheels arranged at the bottom end of the moving seat, a plurality of positioning plates arranged at the top end of the moving seat, and circular positioning rings arranged at the tops of the plurality of positioning plates; the drying assembly is arranged among the plurality of positioning rings; the plasma generator is arranged at one end of the freeze drying cylinder, and the plasma generator is used for accelerating sublimation during drying treatment of the ethylene-propylene insulating material and modifying the surface of the ethylene-propylene insulating material after drying treatment; and the condensation assemblies are arranged at the upper ends of the positioning rings correspondingly. Compared with the prior art, by arranging the condensation assembly, the system stability and repeatability in continuous operation are ensured, energy waste and equipment loss are avoided, and the overall production efficiency and the equipment reliability are improved.

The invention relates to the field of manufacturing of secondary batteries, in particular to a lithium battery drying process. According to the drying process, when the breathing action is carried out, the vacuum breaking degree is far smaller than the atmospheric pressure, the vacuum breaking time and the next breathing vacuumizing time can be shortened, vacuum breaking is carried out through hot drying gas, the temperature environment in the drying box can be prevented from being damaged by vacuum breaking gas, and the drying efficiency is improved. As a result, the battery cell in the drying box needs to be reheated for a long time, so that the time required by single breathing is shortened on the whole, more times of breathing actions can be carried out in limited time, and the size rhythm of the gap between the battery pole piece and the diaphragm is enhanced by the high-frequency breathing actions; according to the drying method disclosed by the invention, water in the battery can be more efficiently evaporated, so that the battery can be efficiently dried through mutual cooperation of different steps in the drying method disclosed by the invention, the drying time can be shortened, the drying efficiency can be improved, and the water content in a battery cell after drying can be reduced.

The invention discloses a combined drying method and application of pumpkin pulp. The combined drying method comprises vacuum freeze drying and hot air drying. By means of the combined drying method, the drying efficiency is improved, and the defect that single vacuum freeze drying time is too long is overcome. In addition, by means of the combined drying method, the yellow blue degree, the beta-carotene content and the total sugar content of the dried pumpkin pulp can be improved. The pumpkin powder prepared by the combined drying method disclosed by the invention is well reserved in structure, high in active ingredient content, strong in oxidation resistance, golden in color and luster, fragrant, and improved in flowability and filling property.

The invention belongs to the technical field of wafer processing equipment, and discloses wafer drying equipment which comprises a centrifugal cavity, a wafer bearing device is arranged in the centrifugal cavity, and the wafer bearing device comprises a wind shaft and a wafer bearing frame connected to the wind shaft; the wafer bearing frame comprises a plurality of wafer bearing layers arranged in the axial direction of the wind shaft, and each wafer bearing layer comprises a plurality of wafer bearing positions arranged in the circumferential direction of the wind shaft; the axis of the wind shaft is collinear with the rotating axis of the centrifugal cavity; a hot air channel is formed in the air shaft and comprises an axial air scattering channel and a radial air scattering channel, the axial air scattering channel extends in the axial direction of the air shaft, and the radial air scattering channel extends in the radial direction of the air shaft and communicates with the axial air scattering channel; and a plurality of radial air dispersing channels are arranged along the axial direction of the air shaft. By the adoption of the structure, centrifugal drying and hot air type drying are achieved at the same time, so that the wafer drying efficiency is effectively improved, and secondary carrying pollution is fundamentally avoided.

The invention discloses gamma-aminobutyric acid water-soluble fertilizer drying equipment and method, and relates to the technical field of vacuum dryers, the gamma-aminobutyric acid water-soluble fertilizer drying equipment comprises a drying tank, a speed reducer and a motor, the drying tank is internally provided with a material turning mechanism, the top of the drying tank is provided with a vacuumizing connector and a feeding port, and the bottom of the drying tank is provided with a discharging port; the material turning mechanism comprises a heating rotating shaft, a spiral blade, a material turning plate and a material scraping claw, the heating rotating shaft is installed in the drying tank and rotationally connected with the drying tank, the spiral blade and the material turning plate are fixedly installed on the side end face of the heating rotating shaft, the material scraping claw is movably installed at the tail end of the material turning plate, and the motor drives the heating rotating shaft through the speed reducer. The device has the advantages that the center and the edge are uniformly heated, material caking is prevented, inner wall attachment is reduced, and the heat efficiency is improved, and the problems that a traditional drying device is uneven in heat transfer, materials are prone to caking to form drying dead corners, and inner wall attachment is cleaned by frequent shutdown are solved.

The invention discloses automatic equipment and method for post-treatment after preparation of surgical drapes, and relates to the field of fabric drying treatment.The method comprises the following steps that S1, the surgical drapes to be dried are frozen; s2, medium and low temperature hot air circulation is adopted, surface water is removed, and inner layer ice crystals are melted; s3, separating from low-temperature hot air circulation for a period of time; and S4, far infrared radiation is adopted, and the absorption characteristic of silver ions to a specific wave band is utilized, so that drying post-treatment of the surgical drape is achieved. By means of multi-step collaborative drying combining freezing treatment, hot air circulation, standing and infrared radiation, the moisture diffusion efficiency is greatly improved, deep moisture residues are reduced, degradation of the antibacterial performance of nano-silver particles in the antibacterial layer due to high-temperature oxidation or agglomeration is effectively avoided, meanwhile, fiber deformation is restrained, and the antibacterial effect is improved. The dimensional stability and antibacterial durability of the sheet are ensured, so that the sheet has relatively good dual optimization of drying efficiency and material performance protection.

The invention relates to a process and apparatus for ultrasonic assisted drying of materials, in particular, but not exclusively, for the low temperature drying of materials that are heat sensitive. In particular, there is provided an apparatus for dehydration of water containing material comprising: an ultrasound emitter; an ultrasound transmission platform that directly or indirectly supports said material; a fluid retained between said emitter and said platform, through which ultrasound energy is transferred; and a gas stream device that directs drying gas to said material. There is also provided a method of dehydration of water containing material comprising locating the material either directly or indirectly on an ultrasound transmission platform of a dehydration apparatus that comprises: an ultrasound emitter; a fluid retained between said emitter and said platform, through which ultrasound energy is transferred; and a gas stream device that directs drying gas to said material; and exposing said material to ultrasound energy and drying gas flow for a time and under conditions suitable to achieve desired extent of dehydration of said material. In another aspect there is provided a material that has been dehydrated using the method or apparatus described above.

The invention relates to a drying method for polyglycollide warp-knitted support meshes for artificial skin, specifically comprising: pre-drying, deep drying, and fabric stress relaxation, which are performed sequentially. The drying method can completely remove water in polyglycollide warp-knitted support meshes as well as solvents left during the cleaning process, and can effectively maintain the properties such as tensile strength, pore size, and weight of the polyglycollide warp-knitted support meshes, thus being of great significance for the application of the polyglycollide warp-knitted support meshes in the field of medical artificial skin.

Methods for drying cannabis in continuous throughput-type and batch-type microwave vacuum drying apparatus. One method uses a vacuum chamber having a plurality of adjacent drying zones. The cannabis is conveyed through each of the zones while exposing it to microwave radiation. Each of the drying zones has a microwave power level different from that of an adjacent drying zone, the microwave power levels of zones varying from each other in a non-linear arrangement from the first zone to the last zone. In a batch method, cannabis is loaded into a vacuum chamber, the pressure is reduced, and the cannabis is irradiated with microwave radiation at a first power level. The surface temperature of the cannabis is measured and when the temperature exceeds a specified temperature for a time period greater than a first time period, the power level is reduced to a lower power level for a second time period. The methods of drying maximize the retention of terpenes in the cannabis.

The utility model provides a power battery vacuum baking probe butt joint heating mechanism, which comprises a material frame, a contact plate, a joint bearing, a first elastic piece, a jacking floating self-adaptive mechanism and a probe plate, the upper end of the joint bearing is fixed on the bottom of the material frame, the lower end of the joint bearing is connected with the contact plate, the contact plate is positioned below the material frame, and the probe plate is positioned below the contact plate. A plurality of contacts are arranged on the contact plate; one end of the first elastic piece is fixed to the bottom of the material frame, the other end of the first elastic piece abuts against the contact plate, and the first elastic piece is used for limiting shaking of the contact plate relative to the material frame; the output end of the jacking and floating self-adaptive mechanism is connected with the probe plate, the probe plate is provided with a plurality of probes corresponding to the contacts one by one, and the jacking and floating self-adaptive mechanism drives the probe plate to ascend, so that the probe plate is in contact with the contact plate, and parallel butt joint is achieved under the action of the knuckle bearing. The butt joint heating mechanism for the vacuum baking probe of the power battery improves the accuracy, the stability and the safety of butt joint.

The invention relates to the technical field of vacuum drying, and discloses automatic vacuum drying equipment and a drying method.A vacuum drying oven, a vacuum device, a heating device, a rack automatic trolley and a transfer device are combined, all the parts are integrated through a control device, and the rack automatic trolley is used for achieving material feeding; loading of the vacuum drying oven is achieved through the transfer device, evacuation of the vacuum drying oven is achieved through the vacuum device, drying and cooling of the vacuum drying oven are achieved through the heating device, aeration of the vacuum drying oven is achieved through the aeration valve, and discharging of the vacuum drying oven is achieved through the transfer device. The full-process automatic vacuum drying operation of automatic material filling, automatic door closing and evacuation, automatic exposure and door opening and automatic discharging is achieved, and the full-process automatic vacuum drying device has the advantages of being high in automation degree, high in efficiency and high in safety.

The invention relates to the technical field of diuron post-treatment, and discloses a process for recovering a diuron drying solvent. Aiming at the problems of high drying energy consumption, high solvent residue and high toluene consumption caused by adopting toluene as a solvent in the existing diuron production, the process comprises the following steps: carrying out solid-liquid separation to obtain a diuron filter cake, carrying out sealed conveying, and sequentially carrying out vacuum belt type primary drying and far infrared radiation secondary drying, diffusion and desorption of residual toluene are promoted by utilizing a molecular resonance effect; generated toluene-containing steam is subjected to two-stage condensation recovery and modified activated carbon adsorption treatment, and drying parameters are dynamically adjusted in combination with an LSTM algorithm to ensure that the process is in a diuron thermal stability interval. According to the process, energy consumption and solvent consumption are effectively reduced, solvent residues are reduced, cost reduction and efficiency improvement are achieved, and product competitiveness is improved.

The invention relates to the technical field of etocrilene production, in particular to a method for drying pure etocrilene, the drying method adopts drying equipment for operation, the drying equipment comprises an outer tank body, a primary drying unit and a secondary drying unit, the primary drying unit and the secondary drying unit are arranged in the outer tank body, and the secondary drying unit is distributed around the primary drying unit; the first-stage drying unit comprises a plurality of material distributing and drying cavities distributed around the axis of the outer tank body and a pressure reducing system, and a material stirring mechanism is arranged in each material distributing and drying cavity. The top cover plate and the bottom cover plate are driven by the shaft rod to continuously rotate, so that the feeding channel and the discharging channel are in butt joint with the material distributing and drying cavities in sequence, feeding and discharging are conducted, wet products can be continuously fed, materials subjected to primary pre-drying can be continuously transferred into the secondary drying unit, and dried finished products are continuously discharged through the discharging opening; the limitation of batch operation that a double-cone dryer must be shut down for loading and unloading is overcome, and the production efficiency and the equipment utilization rate are improved.

The utility model discloses a traditional Chinese medicine disintegrating slag recovery device for spleen and stomach treatment, which belongs to the technical field of traditional Chinese medicine disintegrating slag recovery and comprises a drying tank and a tank cover mounted at a top opening of the drying tank. A metal centrifugal cage with a top opening attached to the lower surface of the tank cover is mounted on the inner side of the drying tank, a connecting frame is welded to the inner side of the metal centrifugal cage, a gear motor with the power output end in transmission connection with the connecting frame is mounted on the upper surface of the tank cover, a hopper is mounted on one side of the gear motor, and a hopper is mounted on the other side of the gear motor. A cylinder with the top end rotationally connected with the bottom of the metal centrifugal cage and the bottom end penetrating through the drying tank is further installed on the inner side of the drying tank, moisture in medicine residues is separated out through the metal centrifugal cage, then the medicine residues are repeatedly and circularly conveyed on the inner side of the cylinder, and the drying efficiency of the medicine residues can be effectively improved through heating of the electric heating coil.

The present invention relates to a system and method for the drying treatment of spent grains. The method comprises: mechanically press-filtering raw spent grains provided in batches by means of solid-liquid separation; dehydrating the spent grains by means of removing moisture and gases that affect the clumping rate thereof; and screening the heated and dehydrated high-fiber spent grains and organic-matter-enriched spent grains by means of differential separation and on the basis of protein content, so as to obtain an oversize product for pyrolysis and an undersize product for feed. The system contains a mechanical module for mechanical pressure filtration and dehydration, a first detection module for detecting relevant parameters characterizing the clumping rate, a drying module for heating the spent grains, and a screening module for screening the spent grains.

A substrate processing method of the invention includes: a first step of introducing a processing fluid in a gas phase into a chamber housing a substrate; a second step of changing the processing fluid in the chamber from the gas phase to a supercritical state without intervention of a liquid phase; a third step of changing the processing fluid in the chamber from the supercritical state to a liquid phase; a fourth step of changing the processing fluid in the chamber from the liquid phase to a supercritical state; and a fifth step of changing the processing fluid in the chamber from the supercritical state to a gas phase without intervention of a liquid phase and discharging the processing fluid from the chamber.

The invention discloses energy-saving drying equipment and a drying method, and belongs to the field of food drying, the equipment comprises a device body, a rotary heating mechanism, a vacuumizing mechanism and a cooperative control system, and the cooperative control system comprises a food state analysis module for outputting food state coefficients based on food thickness, humidity and fat content; the motor state analysis module is used for evaluating a motor fault risk through temperature, voltage and current fluctuation; the motor load pressure analysis module is used for calculating an overload coefficient by combining the vibration amplitude, the output torque and the power; the temperature-rotating speed collaboration analysis module is used for dynamically analyzing the matching degree of the drying temperature, the rotating speed of the barrel and the food state and generating a temperature-rotating speed collaboration coefficient; and the vacuum degree optimization module is used for outputting the target vacuum degree according to the temperature-rotating speed collaboration coefficient and the current vacuum degree. The temperature, the rotating speed and the vacuum degree can be dynamically optimized according to food characteristics, the drying uniformity is improved, and meanwhile the motor overload risk and energy consumption are reduced.

The utility model relates to the field of chemical engineering, in particular to an ammonium sulfate drying device, which comprises an ammonium sulfate crystallizer, a centrifugal machine, a grate screen, an ammonium sulfate solution storage tank, a dryer and an ammonium sulfate finished product bin, a discharge port of the ammonium sulfate crystallizer is connected with a feed port of the grate screen through a pipeline, and the tail end of an upper screen surface of the grate screen is connected with a feed port of the centrifugal machine through a pipeline. The lower portion of the screen surface of the grate screen is connected with the ammonium sulfate solution storage tank through a pipeline, the ammonium sulfate solution storage tank pumps a solution into the ammonium sulfate crystallizer through a water pump, a discharging port of the centrifugal machine is connected with a feeding port of the dryer through a pipeline, and a discharging port of the dryer is connected with a feeding port of the finished product bin through a pipeline. The ammonium sulfate drying device disclosed by the utility model has the advantages that the ammonium sulfate drying device adopts a closed structure, so that the phenomena of small particle dust and fly ash of ammonium sulfate are completely eradicated, the loss of ammonium sulfate products is reduced, the phenomenon of large-area corrosion of walls and floor tiles is avoided, and low-carbon drying of ammonium sulfate is realized.

The application discloses a kind of vacuum drying device for phosphor shrimp powder processing, it is related to drying processing related technical field, including drying outer cylinder, the two shaft ends of drying outer cylinder downside are connected with support leg, and drying inner cylinder is rotatably connected in drying outer cylinder, driving motor is arranged in the support leg inside being connected to the outside of drying outer cylinder, multiple gas ring grooves are opened on the outer wall of drying inner cylinder in the application, and multiple jet mesh holes are arranged between gas ring groove and drying inner cylinder, multiple boost air cavities opened on the inner wall of lower end of gas guide ring can be intermittently communicated with the inside of drying inner cylinder by multiple jet mesh holes under the rotation of drying inner cylinder, so that hot air introduced into boost air cavity is pressurized and sprayed in the process of communication and dislocation with jet mesh hole, intermittent high-pressure hot gas injection is formed to phosphor shrimp powder, phosphor shrimp powder can be scattered to prevent caking, and heating can be more uniform by gas stirring, improve drying efficiency and drying effect.

The invention provides a method for preparing a high-compaction-density lithium manganate positive pole piece through stepped temperature control vacuum drying, and belongs to the technical field of preparation of lithium ion battery positive pole materials, the method comprises the following steps: step 1, placing the lithium manganate positive pole piece in an environment of 68-72 DEG C for mild volatilization to form a uniform pore skeleton, step 2, raising the temperature to 95-105 DEG C, and carrying out vacuum drying to obtain a high-compaction-density lithium manganate positive pole piece; and step 3, placing the lithium manganate positive pole piece in a vacuum environment, removing the solvent, inhibiting bubble residues, and completing drying preparation. The compaction density of the pole piece is obviously improved from 1.08 g / cm < 3 > in the traditional process to 2.18 g / cm < 3 >, the pore structure is optimized, the pore distribution is uniform, the lithium ion transmission efficiency is improved, the solvent residue is extremely low, and the NMP residue lt is extremely low; the process is efficient and energy-saving, the drying time is shortened to 9 hours, the energy consumption is reduced by 30%, and the method is suitable for industrial production.

The embodiment of the invention provides a salt dissolving device and an application method thereof. The salt dissolving device comprises a first treatment unit and a second treatment unit, the first treatment unit comprises a first box body which is provided with a first feeding hole in the top wall and is used for receiving at least one first single salt, an air inducing piece which is arranged on the top wall of the first box body in a penetrating manner and is used for extracting ambient air from the feeding hole and discharging the ambient air, and a first heating piece which is arranged on the top wall of the first box body in a penetrating manner and is used for heating the first single salt; the ultrasonic part is arranged in the first box body and is used for emitting ultrasonic waves to the first single salt; the second treatment unit comprises a second box body which is provided with a second feeding hole in the top wall and is used for receiving at least one second single salt, and a second heating piece which is arranged on the top wall of the second box body in a penetrating manner and is used for heating the single salt in the second box body. Through the arrangement of the first treatment unit and the second treatment unit, the salt dissolving rate can be effectively increased, the energy consumption in the salt dissolving process is reduced, the content of impurity ions in molten salt is reduced, and the salt dissolving quality is ensured.

The invention discloses a pretreatment and efficient combustion device for high-water-content biomass fuel. The pretreatment and efficient combustion device comprises a sealed feeding system, a three-stage gradient drying unit, a crushing and homogenizing mechanism and a rotational flow combustion chamber which are connected in sequence. The three-stage gradient drying unit is composed of a low-temperature zone, a medium-temperature zone and a high-temperature zone, material turning plates which are arranged in a staggered mode are arranged in all the temperature zones, a steam coil pipe is arranged in the medium-temperature zone, an inlet of the low-temperature zone is connected with a 150-200 DEG C low-temperature smoke outlet of the combustion chamber, and the high-temperature zone is connected with an independent hot air generator. Through three-stage gradient drying and combustion chamber structure innovation, the drying energy consumption is reduced; due to the multi-stage air distribution and rotational flow design of the combustion chamber, the combustion efficiency of biomass fuel with the water content of 50% is remarkably improved; the flue gas waste heat cascade recycling can reduce the external energy input of the system; the built-in crushing mechanism solves the problem of caking of high-humidity materials; and the modular design adapts to different types of biomass fuels, so that the comprehensive operation cost is reduced.

The invention relates to the technical field of permanent magnet materials, and discloses a magnetic steel nickel coating cleaning and drying process which comprises the following steps: S1, ultrasonic cleaning: taking ultrapure water as a medium, and putting a magnetic steel material plated with a nickel coating into an ultrasonic cleaning machine for cleaning; s2, bubble cleaning: taking ultrapure water as a medium, and putting the magnetic steel material cleaned in the step S1 into a bubble cleaning machine for cleaning; s3, heating and cleaning: taking a coating self-repairing cleaning solution as a medium, putting the magnetic steel material cleaned in the step S2 into a heating and cleaning tank, and heating and cleaning; s4, dehydration: loading the magnetic steel material cleaned in the step S3 into a dehydrator for dehydration; and S5, drying is conducted, specifically, the magnetic steel material dehydrated in the step S4 is put into a drying box to be heated and dried, active ingredients of the coating self-repairing type cleaning solution comprise perfluoropolyether, nano silane and CeO2 nano particles, and a solvent is ultrapure water. The process can realize batch operation, and is short in time consumption and high in safety.