937 results about "Dry box" patented technology

The invention relates to the technical field of printing equipment, in particular to a printing ink drying device for anti-counterfeiting stained paper, which comprises a rack, a conveying mechanism is arranged above the rack, a drying box body is arranged above the conveying mechanism, and the drying box body is sequentially divided into a leveling preheating area, a main curing area and a forced cooling area along the conveying direction; the conveying mechanism comprises a high-temperature-resistant conveying mesh belt and a vacuum adsorption platform arranged below the mesh belt; an LED-UV cold light source assembly is arranged in the main curing area, infrared heating pipes transversely arranged in the leveling preheating area and a reflecting cover above the infrared heating pipes are matched with the LED-UV cold light source assembly with a water-cooling circulation flow channel in the main curing area and an external cooling-water machine, and printing ink is evenly heated through infrared radiation to be leveled firstly; curing is completed through low-temperature ultraviolet light, a light source is cooled synchronously in a circulating mode, the effects of ink flat curing and paper low-heat deformation are achieved synchronously, and high-speed continuous operation is effectively supported.

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 workpiece drying device which comprises a drying box and a workpiece conveying device. A workpiece conveying device is arranged in the drying box in the front-back direction, and a feeding port and a discharging port are formed in the front portion and the back portion of the drying box correspondingly. Wherein sliding doors are installed on the feeding port and the discharging port respectively, each sliding door comprises a door leaf and a door leaf air cylinder, each door leaf air cylinder is fixedly installed on the top of the drying box, and an output shaft of each door leaf air cylinder is fixedly connected to the top of the corresponding door leaf; the top center of the drying box communicates with an air inlet pipe, and the front and back positions of the bottom of the drying box communicate with an air return pipe; the workpiece conveying device comprises a conveying bracket; due to the arrangement of the sliding door, the phenomenon that hot air escapes from the feed port and the discharge port is reduced; the position of the air return pipe is close to the feeding port and the discharging port, so that air close to the feeding port and the discharging port can be sucked in by the air return pipe, and the situation that hot air escapes from the feeding port and the discharging port is further reduced.

The application provides a kind of automobile parts drying equipment, belongs to automobile parts technical field.The automobile parts drying equipment includes drying box, pre-drying cavity, conversion cavity and drying cavity are arranged in drying box, pre-drying mechanism is installed on the surface of drying box, for pre-drying to automobile parts, pre-drying mechanism includes lifting platform, first rotating shaft and guide rod, lifting platform is slidably installed in pre-drying cavity, lifting platform surface is rotatably installed with placing disc, for placing automobile parts, electromagnetic iron is fixedly installed in the inner cavity of placing disc.The application is provided with pre-drying mechanism, under the action of the gravity of brake disc, lifting platform can be driven to move down, and through the gear groove, first gear is driven to rotate second rotating shaft, through second gear, third gear is driven to rotate synchronously, and through spline teeth, placing disc is driven to rotate while descending, water droplets on the surface of brake disc are centrifugally spun dry, pre-drying of brake disc is realized, and water stain is avoided to remain.

The utility model belongs to the field of aluminized film righting drying technology, specifically is a kind of aluminized film righting drying device, including drying cabinet, the inside of drying cabinet is provided with built-in frame;The top of built-in frame is fixedly connected with fixed frame;The top of fixed frame is fixedly connected with first hydraulic cylinder, and the output of first hydraulic cylinder is fixedly connected with first hydraulic rod;First limit rod is slidably connected on the side wall of built-in frame;Two first fixed blocks are rotatably connected with lifting roller;Corresponding second fixed block is rotatably connected with auxiliary roller;The utility model discloses by setting first hydraulic cylinder control the height of lifting roller, and then make lifting roller and two auxiliary roller mutually cooperate, and aluminized film is tensioned in the inside of drying cabinet, to avoid aluminized film slack in drying process, it is favorable to keep the surface smooth of aluminized film, improve the drying effect and finished product quality of the device.

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 invention discloses spray granulation equipment and a spray granulation method, and relates to the technical field of spray granulation. The device comprises a drying box, the drying box internally comprises a hot air cavity and a processing cavity, an air heater is installed in the hot air cavity, a filter plate is installed between the hot air cavity and the processing cavity, and a discharging opening is formed in the processing cavity; and the storage tank is provided with a discharging pipe communicating with the processing cavity, and a stirring piece is installed in the storage tank. When the device is used, air is blown into the processing cavity through the air heater, raw materials are dried through hot air, particles formed by the raw materials can be discharged through a discharging port, and the blown-out hot air moves in the processing cavity, gradually moves into a transfer pipe and enters an interlayer of a storage tank through the transfer pipe; and the storage tank is preheated through waste heat of tail gas, the utilization rate of the tail gas is increased, and then the practicability of the device is improved.

The utility model discloses a tea dryer with a speed regulating mechanism. The tea dryer comprises a drying box; the placing mechanism comprises a rotating shaft and a mounting groove; the rotating shaft is rotationally inserted into the drying box; the mounting groove is formed in the top of the rotating shaft; the speed regulating mechanism comprises a driving shaft, a small gear I and a large gear I, the driving shaft is rotationally inserted into the top of the drying box, and the small gear I and the large gear I are sequentially and fixedly connected to the surface of the driving shaft in a sleeving mode from top to bottom. The first large gear and the second small gear are connected in a meshed mode or the first small gear and the second large gear are connected in a meshed mode, the rotating speed of the rotating shaft can be adjusted, and the differential requirements for the rotating speed in different stages of tea drying are met.

The utility model discloses an equipment for converting industrial waste slag into geopolymer, including drying box, the inner bottom surface of drying box is inclined plane, and a plurality of shovel plates are pasted to the inner bottom surface of drying box, the top surface of vertical board of shovel plate is connected with arc plate, and the top surface of arc plate is fixedly connected with the stirring rod in drying box, and the top surface of the flow guide orifice plate is connected through the connecting rod between the inner top surface of drying box, and the inner concave arc surface of arc plate is arranged and is inclined to set up to the direction of the direction of approaching drying box inlet port, and the inner arc surface of flow guide orifice plate is ladder shape, and the stirring rod on drying box is installed shovel plate and is shovelled up the raw material of drying box inner bottom surface and is transported to flow guide orifice plate through arc plate, and the raw material slowly falls along flow guide orifice plate, and the flow path of raw material is followed, thereby prolonging the time of raw material in drying box and being convenient for the full drying of raw material, and the drying efficiency of raw material is improved.

The utility model relates to the technical field of quartz tube drying devices, and discloses a multi-station split type quartz tube drying device which comprises a drying box, when the device is used, generated heat can be conveniently and uniformly conveyed into the drying box through a heating pipe and a fan, the drying efficiency of a quartz tube is improved, and the drying efficiency of the quartz tube is improved. According to the quartz tube drying device, by arranging the fixing assembly, a plurality of quartz tubes can be evenly and separately placed in the drying box, meanwhile, in the fixing and placing process, contact between the quartz tubes and the fixing frame is reduced, and therefore the drying effect of the quartz tubes and the whole drying efficiency are further improved; under the rotation of the driving motor, the threaded rod is driven to rotate, the movable block in threaded connection with the threaded rod is moved to one side, the fixed column and the fixed frame on the base plate are moved out of the drying box through the movement of the movable block, and the box cover of the drying box is opened, so that the quartz tubes are taken or placed more conveniently and quickly.

The present application relates to garbage disposal equipment technical field, more specifically, it relates to a kind of for quick drying of domestic waste drying reactor, including drying box, heap turning structure, heap turning driving part, lifting driving part and hydraulic system, the width of drying box gradually increases from bottom to top, the length direction of drying box is provided with lifting portion at both ends, heap turning structure is rotatably arranged between two lifting portions, heap turning driving part is used to control heap turning structure rotation, lifting driving part is used to control heap turning structure lifting, heap turning structure has heap turning surface, heap turning surface is connected with hydraulic system, heap turning surface is elongated with the supplement of liquid, and shorten with the extraction of liquid, a kind of for quick drying of domestic waste drying reactor of the present application makes that heap turning structure can be adjusted with the change of actual garbage amount, to reduce energy consumption in the case of less garbage amount, to achieve energy-saving effect.

The utility model discloses a kind of ink-jet printing devices for wine bottle outer packaging box processing, including workbench, the workbench upper end surface is slidably provided with support plate, the left and right sides of support plate upper end surface are detachably provided with placing seat, the center position of support plate lower end surface is equipped with adjusting plate, the workbench upper end is equipped with adjusting groove corresponding the adjusting plate, the workbench inside is rotatably provided with adjusting rod, the adjusting plate is equipped with adjusting hole corresponding the adjusting rod, the adjusting rod and adjusting hole are threadedly connected, the adjusting rod one side extends outward and penetrates the workbench, adjusting motor is connected to the adjusting rod outside end, the workbench rear end surface is equipped with fixed plate, the fixed plate upper end is equipped with mechanical arm, the head end of mechanical arm is equipped with ink-jet printing head, the left and right sides of workbench upper end surface are equipped with drying box, two the drying box inside is equipped with heating mechanism, by the design of support plate, outer packaging box is realized conveying adjustment, and it is convenient to accurately feed and discharge.

The utility model relates to the technical field of silver mirror production, and discloses a drying device for silver mirror production, which comprises a drying box and a plurality of heat dissipation grooves, a motor is fixed at the top of the drying box, a rotating shaft is fixed at the output shaft end of the motor, a placing plate I and a placing plate II are respectively fixed on the side wall of the rotating shaft, and two limiting grooves are respectively arranged on the placing plate I and the placing plate II. A plurality of through holes are formed in the limiting rods, the two ends of the limiting rods are sleeved with reset springs, limiting plates slide on the limiting rods, through grooves are formed in the first placement plate, a bearing plate is fixed to the side wall of the drying box, an air heater is fixed to the top of the bearing plate, and the air blowing end of the air heater communicates with an air blowing pipe; the other end of the air blowing pipe is communicated with a collecting pipe which is communicated with an air blowing opening. According to the utility model, the silver mirror is clamped through the cooperation of the limiting rod, the reset spring and the limiting plate, and the silver mirror is prevented from deviating due to the influence of wind power, so that the possibility that the silver mirror falls off is reduced, and the practicability of the device is improved.

The utility model belongs to the technical field of ink-jet printing, and particularly relates to high-speed and high-precision ink-jet printing equipment for two-dimensional code labels, which comprises a printing table. A printing machine is mounted at the top of the printing table; an unwinding roller is mounted at the end part of the printing table; two guide rollers are installed at the end, away from the unwinding roller, of the printing table. A drying box is fixedly connected to the middle of the printing machine. Two air boxes are fixedly connected to the end part of the drying box; a fan is mounted in the middle of the air bellow; two drainage plates are fixedly connected to the middle of the drying box; the two drainage plates are oppositely arranged in a staggered manner; the drainage plate is arranged in an L shape; a heating wire is mounted in the middle of the drying box; the heating wire is arranged in an arch shape; the heating wire is arranged between the two drainage plates; through the structure, ink drops on the surface of the printed label can be rapidly shrunk and shaped, the situation that the black and white module boundary of the two-dimensional code is fuzzy due to burrs formed after the ink drops to the surface of the label and diffuses to the periphery is reduced, and the two-dimensional code pattern is kept complete.

The utility model discloses a sludge drying machine tail gas heat utilization device which comprises a drying box, a recovery cavity is formed in the inner wall of the drying box, a recovery assembly is arranged on the bottom face of the drying box, the recovery assembly comprises an installation box, and the installation box is fixedly connected to the bottom face of the drying box. The multiple suction fans are arranged in the drying box, so that fan blades of the multiple suction fans rotate, high-temperature tail gas generated by sludge drying in the drying box is sucked into the recycling cavity, then the high temperature of the tail gas in the recycling cavity acts on the sludge in the drying box, then secondary heat utilization of the high-temperature tail gas is achieved, and the sludge drying efficiency is improved; according to the sludge drying device, the heat storage core is arranged in the drying box, so that high-temperature heat storage of tail gas is facilitated, the high-temperature heat of the tail gas is better transferred to the inner wall of the drying box to act on sludge, and the heat storage core is conveniently and rapidly filled with the high-temperature heat of the tail gas through the formed flowing grooves.

The utility model discloses a storage device with a drying structure, which belongs to the technical field of grass seed storage and comprises an outer tank body, a top cover arranged at the top of the outer tank body, a drying box arranged at the top of the top cover, a fan arranged on one side outside the drying box, an extraction opening arranged on one side of the bottom of the top cover, and a filter screen arranged at one end inside the drying box. A plurality of spoilers are arranged at the other end of the interior of the drying box in a staggered mode, drying bags are arranged on the two sides of each spoiler, air in the inner tank body is extracted through the draught fan and injected into the drying box, the air is filtered through the filter screen and then disturbed through the spoilers, the flowing path of the air is increased, and therefore the contact time of the air and the drying bags is prolonged, and the drying efficiency is improved. The drying bag is used for drying flowing air, and finally the air flows back to the interior of the inner tank body through the exhaust port, so that the drying effect is achieved, an independent space is formed in the inner tank body through the design, and the influence of the external temperature and humidity environment on the interior of the inner tank body is effectively avoided while drying is achieved.

The application discloses a dichloromethane recovery device and method in a lithium battery diaphragm production process, and belongs to the technical field of lithium battery diaphragm production. The application comprises a box body and a fan arranged at the inlet of the box body, a condenser and a heater are arranged in the box body, and a liquid collecting groove is arranged at the bottom of the box body. The condenser is arranged in multiple groups along the flow direction of dichloromethane, and baffles are arranged between adjacent condensers, the baffles are arranged in an upper and lower staggered mode in sequence, and a wire mesh demister is arranged above the liquid collecting groove. The dichloromethane recovery device of the application is used for the dichloromethane discharged from a drying box, the dichloromethane is first condensed by the condenser and then flows into the liquid collecting groove, the dichloromethane which is not condensed is heated by the heater and then returned to the drying box, the utilization rate of dichloromethane is improved, the concentration of dichloromethane is reduced, and the treatment cost is reduced.

The utility model relates to the technical field of drying equipment, in particular to waste heat recovery drying equipment. Waste heat of dried materials can be effectively utilized to heat new materials, and more energy is saved. Comprising a drying box, a plurality of partition plates, a plurality of belt conveyors and an air blower, the drying box is divided into a plurality of cavities from top to bottom through the partition plates, the belt conveyors are installed in the cavities respectively, every two vertically adjacent partition plates are provided with communicating ports arranged in a staggered mode, and the conveying directions of every two vertically adjacent belt conveyors are opposite. A heating assembly is installed in a cavity in the upper portion in the drying box, a feeding channel communicated with the interior of the cavity in the upper portion is formed in the upper portion of the drying box, and a discharging port communicated with the interior of the cavity in the lower portion is formed in the lower portion of the side wall of the drying box. The air blowers are fixedly installed at the discharging ports, and the air outlet ends of the air blowers stretch into the upper portions in the corresponding cavities from the discharging ports.

The utility model discloses a steel belt pretreatment device before galvanization, which comprises a drying box, a steel belt conveyed in the drying box along the length direction, and a waste heat absorption cavity arranged on the drying box and internally provided with a fan, the purging pipe is located at the output end of the drying box and communicates with the waste heat absorption cavity; the scraping plate is rotationally arranged on the purging pipe and keeps a preset distance with the bottom surface of the drying box, and the preset distance is consistent with the thickness of the steel belt. According to the steel belt pretreatment device before galvanization, in the steel belt conveying process, the steel belt is purged by the purging pipe, and dry impurities on the surface are blown off. And for the ground impurities, the scraping plate plays a part of scraping effect. And meanwhile, the temperature of airflow in the purging pipe is larger than that of outside air and smaller than that in the drying box, stepped cooling is conducted on the steel belt, a cooling transition section for the steel belt is formed, the problem of heat stress concentration can be weakened, and therefore the generation probability of cracks is reduced.

The utility model discloses a material pumping device for sheet feeding, and relates to the technical field of material conveying, the material pumping device comprises a base station, the upper side of the base station close to the left and right sides is fixedly connected with a mounting rack, the middle part of the mounting rack close to the upper side is fixedly connected with a drying box, and the lower side of the drying box is movably provided with a bottom barrel; a control mechanism is movably installed on the front side of the drying box, a stirring mechanism is fixedly connected to the position, close to the upper side, of the inner side of the bottom barrel, the stirring mechanism comprises a first supporting frame, and the outer side of the first supporting frame is fixedly connected to the position, close to the upper side, of the inner side of the bottom barrel. According to the material pumping device for sheet feeding, when the bottom barrel is separated from the drying box, the stirring frame is driven to be directly separated from the second supporting frame through the direct sleeving effect of the transmission sleeve, then the limiting sleeve is rotated, the motor can be rapidly separated from the bottom barrel, the disassembly and assembly efficiency is improved, and therefore the maintenance difficulty of the material pumping device is reduced, and the production cost is reduced. The maintenance cost is reduced.

The utility model relates to the technical field of drying equipment, and discloses a high-weather-resistance drying box for processing optical glass, which comprises a drying box assembly, a drying assembly is arranged in the drying box assembly, a conveying assembly is arranged at the bottom of the drying assembly, a cooling assembly is arranged at the top of the conveying assembly, and a cooling device is arranged at the bottom of the cooling assembly. Automatic feeding and discharging of processed materials are achieved through the conveying assembly, operators are prevented from making direct contact with a high-temperature dry area, safety accidents such as hot air burning are effectively prevented, the heating pipes are evenly distributed in the closed space, separated by the partition plates, of the box body, the heating efficiency is effectively improved, hot air is conveyed to a working area through the annular porous pipeline, and the working efficiency is improved. And through the cooling assembly, air flow in the box body is accelerated, the drying effect is improved, the temperature of a drying area can be rapidly reduced after drying is completed, the cooling time is shortened, and the equipment use efficiency is improved.

The utility model relates to the technical field of natural gas treatment, in particular to a natural gas membrane decarburization pretreatment device which comprises a decarburization tower body and a drying assembly, the drying assembly comprises a drying box and a plurality of drying structures, the drying box is fixedly mounted at the top of the decarburization tower body, the bottom of the drying box communicates with the decarburization tower body, the multiple drying structures are arranged in the drying box at intervals, each drying structure comprises a mounting frame and a drying plate, the mounting frames are slidably connected with the drying box, and the drying plates are fixedly connected with the mounting frames; natural gas is dried in the membrane decarburization pretreatment device, so that the problem that the inner wall of a natural gas pipeline is corroded due to water is effectively avoided, the service life of the pipeline is prolonged, and the working cost is reduced.

The invention discloses an automatic rotation type four-direction toggling dryer and a drying process thereof, and the automatic rotation type four-direction toggling dryer comprises a drying box which is internally provided with a heating part for evaporating water in leather; the driving part is used for driving the screen plate to do rotary circulating motion on the track; the opening component is used for applying four-direction drawing force to the leather; the plate overturning part is used for automatically overturning the screen plate; the net plate is used for clamping leather; and the track is used for hanging the screen plate. According to the drying machine, the labor intensity of workers is reduced, the production efficiency is improved, multi-direction stretching of leather is achieved, and the product quality is improved.

The utility model discloses a feed production heat constant temperature drying box which comprises a box body, a heating wire is arranged in the box body, a motor is fixedly connected to the outer surface of the box body, a first rotating shaft is fixedly connected to the output end of the motor, a hot air pipe is fixedly connected to the outer surface of the first rotating shaft, and an air outlet is formed in the surface of the hot air pipe. The output end of the hot-air blower is fixedly connected with an air supply pipe, the outer surface of the air supply pipe is movably connected with a second rotating shaft, the inner surface of the second rotating shaft is fixedly connected with a hot air pipe, the outer surface of the first rotating shaft is fixedly connected with a scraping plate, the outer surface of the scraping plate is fixedly connected with a second rotating shaft, and the scraping plate is in sliding connection with the box body. By means of the device, vertical common heating is achieved, the heating efficiency is improved, raw materials are stirred, the situation that internal raw materials cannot be completely dried due to uneven heating of the raw materials is prevented, and meanwhile the inner wall of the device can be cleaned.

The utility model relates to automatic spraying machine technical field, concretely for a kind of conveying mechanism for automatic spraying machine, it mainly includes support platform, the rear side of support platform is provided with feeding rack, the top rear side of support platform is provided with spraying box, and the top side of support platform is provided with drying box, the adjusting positioning assembly includes slide rail, and the top of slide rail is provided with mounting bracket, the front end of mounting bracket is provided with adjusting mounting plate, the dismounting replacement component includes transmission chain, the top of transmission chain is provided with runner, and the top of runner is provided with positioning rod. A kind of conveying mechanism for automatic spraying machine of the present application is carried out material transmission by setting transmission chain, then after feeding rack position, blocking is carried out by setting adjustable adjusting mounting plate, the position of product transplanting fixed is limited, product placement precision is improved, and then ensure product spraying processing efficiency.

The utility model relates to the technical field of high-purity oxygen preparation, and discloses a high-purity oxygen preparation device which comprises an air compressor, molecular sieve separation equipment and an absorption tube are fixedly installed on the outer wall of the air compressor respectively, and a drying box is fixedly installed on the outer wall of the molecular sieve separation equipment. And one end of a connecting pipe is fixedly mounted on the outer wall of the drying box, a storage tank is fixedly mounted at the other end of the connecting pipe, and a mounting shell is fixedly mounted on the outer wall of the absorption pipe. By pulling a transverse plate, the transverse plate drives a pull rod to move, the pull rod drives a lock pin to move, a first spring shrinks, at the moment, the lock pin moves to the inner wall of a mounting shell, then the lock pin is separated from the inner wall of a fixing block, the fixing relation of the fixing block disappears, the fixing block can move, and at the moment, the mounting plate is pulled upwards; further, the mounting plate drives the filtering membrane and the fixing block to be separated from the inner wall of the mounting shell, and the filtering membrane can be detached and replaced at the moment.

The application relates to the technical field of coating testing, and particularly discloses a high-temperature seawater MAO film hydrophilicity and corrosion resistance testing equipment, which comprises two tracks and a control cabinet, a gantry is movably arranged on the two tracks, and an immersion corrosion test box, a sample drying box and a sample cleaning box are arranged in front of and behind the two tracks in parallel; a screw rod elevator is arranged at the upper end of the gantry, a lifting strip is connected to the lower end of the screw rod elevator, a plurality of through holes are arranged on the lifting strip at intervals left and right, a vertical rod is arranged in each through hole in a penetrating mode, and a sample clamp is connected to the lower end of the vertical rod; the testing equipment realizes automatic corrosion resistance testing of MAO film coating samples under different high-temperature seawaters, sample cleaning, sample drying, sample weighing and recording and other steps, has high automation integration, realizes long-term full-process unmanned automatic operation, realizes online direct measurement and weighing of the samples, and makes the whole measurement process fast, convenient and high in measurement precision.

The utility model provides an automatic liquid adding device of a pulsating vacuum dryer, and relates to the technical field of drying equipment. The liquid storage device comprises a liquid storage tank, a liquid guide assembly and a control assembly, the liquid storage tank is arranged at the top of the drying box and is suitable for storing liquid to be dried, and a feeding port and a discharging port are formed in a tank body of the liquid storage tank; a drying pan is arranged in the drying box, a liquid guide pipeline is formed in the liquid guide assembly, one end of the liquid guide pipeline is connected with the discharging port, and the other end of the liquid guide pipeline extends to the position over the drying pan; and the control assembly is connected with the liquid guide assembly and can control the on-off of the liquid guide pipeline. The liquid material feeding device has the effect of simplifying the liquid material feeding process of the pulsating vacuum dryer.

This utility model relates to the technical field of investment casting drying equipment, specifically a sand shell drying device for investment casting. The drying chamber contains two symmetrically arranged limiting frames, each with a guide groove. A support plate is also provided inside the drying chamber, with both sides of the support plate inserted into the guide groove and slidably connected to the limiting frames. A tray is rotatably mounted on the support plate. A first motor is fixedly mounted below the support plate, and the output end of the first motor has a first rotating shaft connecting to the tray. A second motor drives the support plate to extend out of the drying chamber, allowing workers to directly place sand shells outside the chamber. This avoids the difficulty of loading materials due to the limited space inside traditional equipment, making it particularly suitable for mass production scenarios and significantly improving sand shell manufacturing efficiency.

The utility model discloses hot air circulation drying equipment, and relates to the field of drying equipment, the hot air circulation drying equipment comprises a drying box and an auxiliary drying mechanism, the outer side of the drying box is rotatably connected with a sealing door through a hinge, and the inner surface of the bottom of the drying box is provided with a heater. According to the hot air circulation drying equipment, through the arranged air conveying pipe, dehumidified hot air can be automatically conveyed into a hollow bearing plate, then conveyed into a flow dividing air guide pipe at equal intervals through connection of the hollow bearing plate and evenly blown to the upper surface of a bearing assembly through air outlet holes in the bottom of the flow dividing air guide pipe; meanwhile, through the other air supply pipe at the bottom of the dehumidification box, dehumidified hot air can be conveyed to the lower end of the interior of the drying box at the same time, and therefore multi-face drying treatment can be conducted on the materials borne in the bearing assembly; and the situation that the drying efficiency of the drying equipment is interfered due to the fact that workers need to turn over the materials regularly when the drying equipment conducts drying is avoided.