109results about How to "Improve drying quality" patented technology

The invention relates to the technical field of drying, and discloses a solar heat collection tube heating and drying device and a tube row manufacturing method thereof.The solar heat collection tube heating and drying device comprises a first rack, and a first heat collection module is arranged on an inclined mounting platform formed by a first-stage step and a second-stage step of the first rack; a drying cavity defined by first steel plates is installed on the outer wall of the three-stage step of the first rack, and a first partition plate is arranged in the drying cavity. A second partition is arranged on the top surface of the first partition, a third partition is arranged on the side wall of the second partition, and an air delivery pipe is arranged between the third partition and the first partition; an air inlet shutter is mounted on the first steel plate, a fan opposite to the air inlet shutter is mounted on the second partition plate, and an exhaust shutter is mounted on the first steel plate; a supporting beam located above the third partition plate is arranged on the first rack, a footstand is arranged on the supporting beam, and a drying bin used for drying corn is placed on the footstand; according to the device, the solar energy utilization rate is increased through the heat collection structure, heat collection and drying chambers are reasonably partitioned, the airflow circulation path is clear, and stable drying of corn is achieved.

The utility model discloses super-strong steel chemical degreasing powder drying equipment, and relates to the technical field of drying equipment. The device comprises a drying assembly, and an inner cavity of the drying assembly is fixedly connected with a mixing assembly. The heating blocks embedded in the inner wall of the drying box are distributed in an annular array mode, oil removing powder in the drying box can be heated in a full-surrounding mode, compared with traditional bottom or single-side heating, the uniformity of a temperature field in the box is remarkably improved, and the problem of component decomposition or low-temperature caking caused by local overheating is solved; when the planetary gear stirring piece drives the auxiliary stirring rod to revolve around the first transmission shaft, rotation is achieved through meshing of the driven gear and the driving gear ring, and a three-dimensional stirring track of revolution and rotation is formed; the up-down reciprocating piece pushes the main stirring rod to do periodic up-down motion through the cam, so that materials are subjected to transverse shearing mixing and longitudinal stirring in the drying process, the material accumulation dead angle is effectively broken, and the heat exchange efficiency is improved.

The utility model discloses a domestic ceramic drying treatment device which comprises a drying box body. An electric heating wire is arranged in the drying box body; the placing frame is arranged in the drying box body, the placing frame comprises a rotating pipe, a plurality of supporting discs are detachably installed on the outer side of the rotating pipe, and an air blowing pipe is in threaded connection with the portion, located below the supporting discs, of the outer side of the rotating pipe; the dehumidification device has the advantages that the fan sucks air in the drying box into the dehumidification box to make contact with the metal sheets, hot air is liquefied when meeting the cold metal sheets and moisture, left on the metal sheets and condensed into water drops, the water drops move downwards along the inclined metal sheets and enter the collecting tank through the water outlet holes to be collected, and the dehumidification efficiency is high; the draught fan absorbs heat generated by air in the dehumidification box and the heating end of the semiconductor chilling plate, meanwhile, the heating box is installed at the output end of the draught fan, the extracted air is heated again through the internal electric heating wire and then fed into the transmission pipe and the rotating pipe, heat recycling is achieved, and the energy utilization efficiency is improved.

The utility model discloses a ceramic tea set production drying device which structurally comprises a drying box and a placing plate, a pushing box door can be conveniently pushed outwards through an electric push rod, after an installation frame on the inner side faces outwards, a ceramic tea set needing to be dried is placed at the upper end of the placing plate and then pulled into the drying box, and then the ceramic tea set is placed on the placing plate. The hot-air blower sprays hot air to tea sets on the inner side through nozzles of an air spraying row on the outer side of an air conveying pipe, the hot air dries the tea sets, a motor drives a containing plate to rotate, and therefore the tea sets can be heated more evenly, and the problems that the drying efficiency is poor due to single-side heating, and one side is heated unstably are solved. The rotating speed of a single motor can be controlled, so that the heating and drying effect is better, the drying quality can be better according to the rotating speed of different tea sets, waste heat can be recycled under the action of an air suction pipe and a filter cartridge at the lower end, and the drying effect is better.

This application discloses an adjustable drying mechanism, which includes a symmetrical support frame, an upper adjusting frame, and a lower adjusting frame. The support frame consists of a base and a vertical support rod; both the upper and lower adjusting frames include a connecting seat, a fixed rod, an adjusting rod, and partitions. The two ends of the upper adjusting frame can move up and down along the support rod, while the lower adjusting frame is fixed to the support rod. The two ends of the fixed rod are fixed to symmetrical connecting seats, and the adjusting rod is horizontally positioned on both sides of the fixed rod, with its two ends embedded in the horizontal slots of the connecting seats to form a sliding pair; multiple partitions are alternately fitted onto the fixed rod and the adjusting rod, and the partitions have elongated holes for sliding cooperation with the fixed rod and positioning holes for interference cooperation with the adjusting rod. By adjusting the height of the upper adjusting frame and the spacing between the partitions, it can adapt to different wood sizes and drying requirements, improve ventilation uniformity and space utilization, and solve the problems of uneven drying and poor adaptability of traditional fixed drying mechanisms. The structure is simple and reliable, and the operation is convenient.

The invention relates to an environment-friendly process method for improving the surface metal cleaning efficiency of a silicon wafer, and belongs to the technical field of semiconductor silicon wafer processing, and the process method comprises the following operation steps: S1, pre-cleaning and activation: placing the silicon wafer in a first cleaning tank, introducing ozone into ultrapure water, and processing in cooperation with low-frequency ultrasound; and S2, main cleaning and complexing: placing the silicon wafer subjected to pre-cleaning and activating treatment in a second cleaning tank, and treating the silicon wafer in a dilute citric acid solution in cooperation with high-frequency ultrasound. And S3, overflow rinsing: placing the silicon wafer subjected to main cleaning and complexing treatment in a third cleaning tank. And S4, drying: carrying out drying treatment on the silicon wafer subjected to the overflow rinsing treatment. Through the synergistic effect of physical stripping, chemical oxidation and complexing dissolution, under the condition that highly toxic chemicals such as hydrofluoric acid are not used, the cleanliness of metal on the surface of the silicon wafer reaches the ppt level, and the problems that traditional RCA cleaning is serious in environmental pollution and high in operation risk are effectively solved.

The utility model is suitable for starch processing equipment technical field provides a kind of drying device for starch production, including L type bottom plate, drying cylinder and hot blast device, the straight board of L type bottom plate is equipped with first chute, first screw rod is rotatably connected in the first chute, the outer wall of first screw rod is connected with slider in screw thread, the side wall of slider is equipped with vibration tank, first fixed link is fixedly connected with the inner wall of vibration tank, the outer wall of first fixed link is slidably connected with first connecting plate, spring is arranged between the inner wall of both ends of first connecting plate and vibration tank, fixed ring is fixedly connected on first connecting plate, bearing frame is fixedly connected in fixed ring, filter cloth is equipped with in the inner wall of bearing frame, support assembly is additionally provided in the outer wall of fixed ring, vibration motor is equipped on support assembly;Lifting assembly is equipped on first connecting plate, stirring assembly is equipped on lifting assembly.The utility model has the advantages of raw material uniform dispersion, uniform heating and drying.

The utility model discloses a drying device for silk fabric production, relates to the technical field of drying devices, and aims to solve the problems that in the prior art, in the silk fabric drying process, moisture in silk fabric cannot be squeezed out, the silk fabric cannot be rapidly dried easily, and practicability is poor. A partition plate is fixedly installed in the device box, a dehumidification cavity and a drying cavity are formed in the device box along the two sides of the partition plate correspondingly, a fixed pressing roller is rotatably installed in the dehumidification cavity of the device box, a movable pressing roller is arranged on one side of the fixed pressing roller, and moisture absorption rollers are arranged below the fixed pressing roller and the movable pressing roller correspondingly. The moisture absorption roller is rotationally connected with the device box, a moisture absorption cloth layer is fixedly installed on the outer side of the moisture absorption roller, a dirt suction nozzle is arranged on one side of the moisture absorption roller, and a negative pressure pipe is fixedly installed on one side of the dirt suction nozzle.

This utility model relates to the field of drying equipment technology, specifically a rapid drying device for denim production. It includes a platform with multiple sets of support legs fixedly installed on its lower end. The main body of the drying equipment is located on the upper end of the platform. Two sets of support members are fixedly installed on the lower end of the platform, and a threaded rod is rotatably connected between the two sets of support members. A motor is fixedly installed at the end of one set of support members, and the output shaft of the motor is fixedly connected to the threaded rod. Threaded sleeves are helically connected to both sides of the outer surface of the threaded rod, and connecting rods are rotatably connected to both sides of the outer surface of the threaded sleeves. This utility model, through the setting of a scraper and clamping plate structure, performs a step-by-step flattening treatment on the denim fabric. The scraper initially smooths out wrinkles on the fabric surface, and then the clamping plate holds and stretches the fabric to both sides, ensuring that the denim fabric remains flat and taut before entering the drying equipment. This effectively avoids uneven drying caused by wrinkles, improving drying efficiency and product quality.

This utility model discloses a drying device for ceramsite proppant preforms, belonging to the field of ceramsite proppant. It includes a belt conveyor, a drying rack fixedly connected to the top of the belt conveyor, a hot air plate fixedly installed in the inner cavity of the drying rack, a hot air blower fixedly installed on one side of the drying rack, a straight pipe fixedly connected to one side of the hot air blower, a structural groove formed on the inner wall of one side of the drying rack, a lead screw installed in the inner cavity of the structural groove, a threaded sleeve fitted around the outer ring of the lead screw, a long plate fixedly connected to one side of the outer surface of the threaded sleeve, and several fixed cones fixedly connected to the bottom of the long plate. Through the coordinated use of these devices, this reverse motion can more effectively and evenly disperse the ceramsite proppant semi-finished product, avoiding accumulation during conveying. This uniform dispersion effect can improve the uniformity of hot air penetration, thereby improving the overall drying efficiency and quality.

The utility model relates to the technical field of fertilizer manufacturing, and discloses a drying device which comprises a box body, the top of the box body is fixedly connected with a feeding hopper, the bottom of the feeding hopper extends into the box body, and the inner wall of the bottom of the box body is connected with a sliding plate in a sliding mode. Hot air generated by starting the hot-air blower to work enters the air outlet pipe through the telescopic hose and is blown to the drying material frame from the air outlet, so that fertilizer on the drying material frame is dried, meanwhile, the rotating shaft rotates to drive the rotating disc and the eccentric sliding rod to rotate, and the sliding rod slides in the O-shaped strip; and the sliding rods drive the O-shaped strips and the sliding plates to slide back and forth in the sliding grooves in a reciprocating mode, then the drying material frame is driven to shake, the fertilizer is continuously turned over and spread on the drying material frame and makes full contact with hot air, comprehensive and uniform drying is achieved, the drying efficiency and quality are improved, and the drying effect of the fertilizer is guaranteed.

The application discloses a kind of plastic packaging bag production with feeding device, it is related to plastic bag production technical field, specifically a kind of plastic packaging bag production with feeding device, including conveying belt and the dry box capable of completely wrapping middle part of conveying belt, the periphery of conveying belt is evenly provided with a plurality of first communication air port, the middle part of conveying belt is provided with auxiliary drying component, by the uniform multiple first communication air port of being set on conveying belt, multiple air pumps installed in auxiliary drying component, multiple shaking balls that the outer surface of conveying belt is provided with and the multiple rubber air bags that the inner periphery of conveying belt is fixedly connected are cooperated with each other, can promote air pump drive and form bidirectional forced convection at first communication air port, significantly increase the effective contact area of hot air and raw material, ensure the uniformity of airflow distribution, to solve the core problem that raw material lower surface is not dried evenly due to airflow dead angle in traditional mode.

This utility model discloses a high-quality, self-circulating, energy-saving drying device for poultry and livestock feed, belonging to the technical field of feed processing equipment. It includes a drying chamber, a drying component installed inside the drying chamber, and a feeding belt inserted into the surface of the drying chamber. A material distribution component is installed inside the drying chamber; the material distribution component includes an assembly base fixedly connected to the top of the drying chamber, and an electric push rod fixedly connected to the surface of the assembly base. Poultry and livestock feed is placed at the feed inlet end of the feeding belt in the drying chamber and dried by the drying component. During the feeding process, an external control device activates the electric push rod and a vibration motor. Driven by the electric push rod, the material distribution rod moves closer to the surface of the feeding belt. Under the transmission of the vibration motor, the material distribution rod distributes and turns the poultry and livestock feed on the surface of the feeding belt, effectively improving the uniformity of heat distribution and thus improving the drying quality.

The utility model provides a solar energy chestnut drying equipment. Solar energy chestnut drying equipment includes: the drying box of top fixed mounting has solar energy panel, drive gear shaft, drive gear shaft rotates the installation in drying box, synchronous gear shape area, synchronous gear shape area is equipped on drive gear shaft, and fixed mounting has support block, holds the disc, holds the disc for placing chestnut setting between synchronous gear shape area, and with support block is contacted, hot -blast pipe, hot -blast pipe fixed mounting is in drying box, is used for introducing hot blast to drying box, exhaust pipe, exhaust pipe fixed mounting is in hot -blast pipe, and extends to drying box. The utility model provides solar energy chestnut drying equipment has a plurality of air outlet, increases hot blast guiding mechanism simultaneously, improves the evenness of hot blast advantage.

The utility model relates to the field of food processing, in particular to a drying device for day lily. The utility model provides a drying device for day lily, which comprises a support, a conveying component, a fan and the like, the conveying component is mounted on the upper side of the support, and the fan is arranged below the conveying component. Through the arrangement of second rotating shafts, a second belt pulley set and a second poke rod, the second rotating shafts on the outer side synchronously rotate when the conveying belt runs, power is transmitted to the second rotating shafts on the inner side through the second belt pulley set, then the second poke rod is driven to rotate, the second poke rod pokes day lily in the day lily conveying process, and the day lily conveying efficiency is improved. Compared with the prior art, the daylily drying device has the advantages that the daylily is more loosely distributed on the conveying belt, so that the daylily is uniformly heated in the whole drying process, the condition of local excessive drying or insufficient drying is avoided, the drying efficiency and the product quality are also improved, and the finally produced daylily has excellent color, flavor and nutritional value.

The invention discloses a spraying structure for a devolatilization device, which comprises an outer pipe, a conveying pipe and a nozzle, the outer pipe is tightly connected with an input pipe of circulating hot water through an auxiliary pipe, and is used for receiving the supply of hot water; one end of the conveying pipe is firmly connected to the outer pipe, the other end of the conveying pipe extends into the kettle body and is tightly connected with the spray head, and a spraying opening of the spray head is arranged downwards; the outer pipes and the sprayers are arranged in two sets, each set of outer pipes is provided with one set of sprayers correspondingly connected with the outer pipes, and the upper set of sprayers and the lower set of sprayers are arranged in a staggered mode in the spatial layout.

This invention discloses a dryer control method, a dryer, and a computer-readable storage medium. The dryer control method includes the following steps: dividing the baking process into multiple drying stages, and setting the drying duration Hn, drying rate Vn, and target drying temperature Cn for each drying stage; during any drying stage, calculating the expected heating time Tn to reach the target drying temperature using the set target drying temperature Cn and drying rate Vn for that stage; when the drying stage duration reaches the expected heating time Tn, using the currently acquired drying temperature Cn... ’ The drying time Hn of the drying stage is adjusted by comparing the difference between the drying temperature Cn' and the target drying temperature Cn with a preset range. In each drying stage, the present invention adjusts the drying time Hn by comparing the difference between the drying temperature Cn' and the target drying temperature Cn with a preset range, which can more accurately adjust the drying time and avoid over-drying or under-drying.

The utility model relates to the technical field of coating and drying, in particular to a coating combined type drying oven, which comprises an oven body, an oven cover and a drying device, the air inlet assembly is arranged on at least one of the upper side and the lower side in the box body and comprises a plurality of air nozzles; the multiple tuyeres are arranged at intervals in the conveying direction of the pole pieces; the heating module is arranged on at least one of the upper side and the lower side in the box body and comprises an infrared heating assembly and a laser heating assembly; a group of infrared heating assemblies or laser heating assemblies are arranged between every two adjacent tuyeres; and the temperature detection assembly is arranged in the box body, is in communication connection with the heating module and the air inlet assembly, and is used for detecting the temperature in the box body. The technical problems that a pole piece is easily disturbed by hot air in the drying process due to hot air drying through an air nozzle of an existing coating drying oven, slurry on the pole piece convects to form surface bubbles, and drying is uneven are solved.

The utility model relates to the technical field of photosensitive drum processing, specifically discloses a photosensitive drum processing coating drying device, including the box, the box side swing joint has the box door, the inside symmetry of box is equipped with two arc heat preservation board, arc heat preservation board opposite side is provided with a plurality of bearing turntable, the box includes the rotating mechanism for making the product rotation, the drying mechanism for conveying hot air and the adjusting mechanism for adapting the product different size, bearing turntable top fixedly connected with a plurality of fixed blocks. The utility model discloses when needing to dry the photosensitive drum of different size, through adjusting mechanism can make the clamping block bottom always with photosensitive drum inner surface contact, thereby adapts the photosensitive drum of different size, realizes the stable fixation to different specifications photosensitive drum, improves the versatility of device, ensures that photosensitive drum does not displace or sway in the rotation and drying process, improves the drying quality.

The utility model relates to paper box paperboard production technical field discloses a kind of paperboard drying device for paper box production, including drying cabinet, rotating shaft and threaded rod are rotatably connected between the top and bottom of the inner wall of drying cabinet, the outer surface of rotating shaft is fixedly provided with cabinet door. The utility model is cooperatively used by transmission mechanism, cabinet door, extrusion plate and threaded rod and other structures, the action of switch cabinet door can be utilized, the rising and lowering of extrusion plate automation is realized, the paperboard to be dried is clamped by the lowering of extrusion plate, so as to offset the non-uniform shrinkage stress caused by moisture content difference, prevent local warping deformation, avoid the paperboard deformation problem caused by lack of compaction during drying process of the paperboard to be dried, when opening cabinet door, extrusion plate is automatically reset to release pressure, and it is convenient for operator to quickly take and place paperboard, so as to improve the drying quality of paper box paperboard, also improve production efficiency.

The utility model discloses an automatic weight balancing durian sorting machine which comprises a high-pressure cleaning module, an air drying module, a fruit feeding transition module, a fruit feeding module, a detection module, an automatic weight balancing buffering grading conveying module, a packaging module, a fruit cup backflow module and fruit cups. And the automatic counterweight caching, grading and conveying module comprises a counterweight caching area and at least two counterweight grading ports. According to the durian sorting machine, through cooperative work of all the modules, full-process automatic operation such as automatic cleaning, air drying, fruit feeding, detection, counterweight sorting and packaging of durian can be achieved, the durian sorting efficiency and accuracy are greatly improved, manual intervention is reduced, the labor intensity is lowered, the stability and reliability of sorting work are improved, and the durian sorting efficiency is improved. The large-scale processing and treatment requirements of the durian are effectively met. The detection module can be provided with an internal quality retrieval module, and defects such as empty bags in the durian are detected through X-rays.

The utility model belongs to the technical field of textile equipment, and particularly relates to a cloth drying device which comprises an extrusion mechanism, a first drying box and a second drying box, the extrusion mechanism comprises a frame body, two extrusion rollers which are oppositely arranged are arranged on the frame body, and telescopic pieces are arranged at the two ends of the two extrusion rollers; an air inlet pipeline and an air return pipeline are arranged between the first drying box and the second drying box, a hot air generator and a main fan are arranged on the air inlet pipeline, the main fan is used for conveying hot air generated by the hot air generator into the second drying box, and the air return pipeline is used for recycling the hot air in the second drying box into the first drying box. According to the cloth drying device, dyed cloth is firstly extruded through the extrusion mechanism to discharge water, and then the cloth is dried step by step through the first drying box and the second drying box, so that the cloth can be pre-dried and finally dried under different temperature conditions, and the drying efficiency and quality are further improved.

The utility model discloses a kind of drying device of DNPH silica gel column auxiliary drying forming, including drying cabinet main body, the drying cabinet main body top surface center position is equipped with speed reducer, drying cabinet main body inside through-hole is equipped with suspension subassembly, drying cabinet main body lower end rectangular recess is equipped with electric heating tube, drying cabinet main body lower end rectangular recess edge is welded with shunt plate, the bottom surface circular through-hole of drying cabinet main body is equipped with fan subassembly, drying cabinet main body one side upper end rectangular through-hole is welded with exhaust frame, the top surface of drying cabinet main body one corner is equipped with control box, the inside edge of drying cabinet main body is movably installed with inner cabinet door by hinge.The drying device of DNPH silica gel column auxiliary drying forming of the utility model is designed by rotating suspension, hot air circulation, accurate control and convenient operation, improves the uniformity, efficiency and quality of DNPH silica gel column drying, and it is convenient to move, and strong applicability.

The utility model belongs to beef powder technology field, concretely relates to a drying device for beef powder production, including bottom frame, the top of bottom frame is rotationally connected with top rotary frame, the inside of top rotary frame is assembled with bearing disc, the inside of bottom frame and located bearing disc's bottom installation has fan, the inside of bottom frame and located between fan and bearing disc installation has electric heating wire, the outside of bottom frame is installed with truss, the inner wall rotationally connected with rotary rod and rotary column of truss top, and rotary column is at the top of bearing disc, and is connected through transmission belt between rotary rod and rotary column, the bottom of rotary column is installed with rotary strip. The utility model can increase the stirring area greatly, make beef powder raw materials mix more evenly, heat more fully, improve drying efficiency and product quality uniformity, and can effectively prevent material accumulation, enhance hot air penetration, shorten drying time.

This utility model discloses a cleaning and drying device for optical lens coating, belonging to the field of cleaning and drying equipment for optical lens coating. The device includes a cleaning tank installed inside the machine body, a drying device installed on the machine body, a shell installed on the outer wall of the machine body, an air inlet chamber I inside the machine body wall, an air inlet pipe I installed in the air inlet chamber I, an airbag installed at the other end of the air inlet chamber I, and an air inlet chamber II inside the machine body wall, with an air inlet pipe II installed thereon, the air inlet pipe II penetrating the machine body and the cleaning tank and communicating with the air inlet chamber II. This utility model features an elastic mesh bag adapted to fit the lens, ensuring thorough immersion cleaning; a foot-operated airbag combined with a one-way valve provides stable air supply and prevents backflow; airflow disturbance enhances cleaning force; and during drying, hot airflow combined with the mesh bag improves lens cleanliness and drying quality.

The application provides a drying device for plastic production, which comprises a drying tank, a driving assembly arranged on the drying tank, a cage arranged on the output end of the driving assembly and located in the drying tank, a hot air drying assembly arranged on the drying tank, and a rotation stabilizing assembly arranged between the drying tank and the cage. The plastic particles to be dried can be arranged in the cage, the driving assembly can drive the cage to rotate in the drying tank, and the hot air drying assembly can send hot air into the drying tank to remove the surface moisture of the plastic particles. The driving assembly is arranged to make the cage rotate, and the rotation stabilizing assembly is arranged to ensure the stable rotation of the cage, so that the drying uniformity of the plastic particles is effectively improved, and the drying efficiency and quality are improved. The hot air drying assembly sends hot air in a targeted manner to effectively remove the moisture, and the dried plastic particles can be more conveniently recycled during the rotation in the cage. The device has the advantages of reasonable design, good drying effect, convenient recycling of plastic particles and easy popularization and implementation.

The utility model relates to the technical field of board production, in particular to a drying device for artificial board production and processing. A driving structure is assembled in the middle of the drying frame, and overturning structures for overturning forwards and backwards during plate drying are symmetrically arranged along the middle of the driving structure; a conveying structure located on the inner side of the drying frame and used for conveying and moving the plates is assembled on the inner side of the overturning structure. According to the plate drying device, multiple faces are evenly dried, the front face and the back face of a plate can be fully dried through the overturning structure, the situation that one face is excessively dried, and the other face is not sufficiently dried is avoided, it is guaranteed that the whole plate is evenly dried, and the drying quality of the plate is improved; according to the plate drying device, plates can be dried in a relatively closed space, heat loss is reduced, the drying environment is more stable, and the drying quality can be improved.

This utility model relates to the technical field of food drying equipment and discloses a variety of food drying equipment, including a drying box. One side of the drying box is connected to a door via a hinge, and the other side is equipped with an air box. A rotating shaft is installed inside the drying box. This multi-food drying equipment works by pulling an outward-facing pull plate to move a fixed block away from its fixed hole, and pulling a rotating rod to move a square block away from the rotating shaft. During this process, a moving plate is pulled, causing an insert block to leave its limiting groove, thus releasing the restriction on the placement tray. Through this design, operators can freely adjust the internal spatial layout of the drying equipment according to the size, shape, and type of food, thereby achieving a more efficient drying effect. This not only improves the versatility and adaptability of the equipment but also significantly enhances drying efficiency and quality, meeting the diverse needs of drying various foods.

The utility model relates to the technical field of drying ovens, in particular to an air floating type drying oven which comprises an oven body, a plurality of fans and a plurality of air holes are arranged on the oven body, a first rotating column is arranged on each fan, a first umbrella wheel is arranged on each first rotating column, a driving assembly is arranged on one side of each first umbrella wheel, and a second rotating column is arranged on the other side of each first umbrella wheel. A sliding frame is arranged between the fan and the air holes, a plurality of electric heating rods are arranged on the sliding frame, a spring is fixedly arranged on one side of the sliding frame, an air inlet is formed in one side of the drying oven body, and a filter plate is arranged in the air inlet, so that the problem of local overheating or insufficient heating can be avoided, materials are ensured to be heated uniformly, and the drying quality is improved.

The utility model belongs to the technical field of vacuum drying boxes, and particularly relates to a heating plate suitable for a vacuum drying box. The bottom plate corresponds to the lower portion of the heating plate body, and the two ends of the bottom plate extend outwards to form clamping edges used for clamping; the fixing mechanism comprises a positioning plate and a positioning pin, the positioning plate is correspondingly and fixedly arranged above the clamping edge in the first direction, the positioning pin is arranged on the positioning plate in a sliding mode and used for limiting the clamping edge, and the lower portion, perpendicular to the positioning plate, of the clamping edge is provided with a positioning hole allowing the positioning pin to be inserted and pulled out. A circular plate is fixedly connected with the positioning pin in the second direction perpendicular to the first direction, and the tension spring is arranged on the positioning pin in a stretchable and sleeving mode and fixedly connected with the circular plate and the positioning plate. The structure is simple, the design that the clamping edge slides into the clamping base to be matched with the positioning pin for automatic locking is adopted, accurate positioning can be completed without an additional fixing piece, the positioning pin is released only by pulling the pull ring in the disassembling process, and people can use the positioning pin conveniently.