36results about How to "Reduce drying costs" patented technology

The utility model discloses a multistage hot air circulation device for titanium concentrate drying, which belongs to the technical field of mineral drying, and is characterized by comprising a working box, the right side of the working box is fixedly connected with a drying mechanism, the left side of the working box is fixedly connected with a circulation mechanism, and the front side of the working box is rotatably connected with a heat insulation door. The drying mechanism feeds hot air from the top and the bottom of the working box through the air inlet pipe and the air expanding hopper, multi-stage hot air heating is achieved, the titanium concentrate can be evenly heated in the working box, the drying uniformity and efficiency are improved, the drying mechanism can be automatically controlled through the PLC, and according to the characteristics and drying requirements of the titanium concentrate, the drying efficiency is improved. The working state of the hot air generator is adjusted, intelligent drying is achieved, the drying quality and the production efficiency are improved, the circulating mechanism can lead out hot air in the working box, the hot air is sent back into the working box after moisture absorption treatment, hot air recycling is achieved, and the energy utilization rate is increased.

This invention discloses a drying device for calcium hypochlorite production, relating to the field of calcium hypochlorite production technology. The technical solution includes a drying shell with a drying mechanism inside and a material conveying and preheating mechanism at the top. The drying mechanism includes a square rod located inside the drying shell, with both ends connected to the inner walls of the drying shell via bearings. A second motor is fixedly mounted on one side of the drying shell, with its output end fixedly connected to the square rod. Two drying components are located outside the square rod, each including a rotating sleeve fitted around the square rod and slidably connected to it. Multiple rotating plates are fixedly connected to the outside of the rotating sleeve. A cylinder and side circular plates are fitted around the rotating sleeve, and the rotating sleeve is rotatably connected to the side circular plates and cylinder. An opening is provided on one side of the cylinder to facilitate the drying of calcium hypochlorite, resulting in high drying efficiency and uniform drying.

The utility model relates to the technical field of praziquantel production, and provides a praziquantel production baking material self-control temperature control device which comprises a rack, and a baking material barrel is fixedly installed at the top end of the rack in a penetrating mode. According to the praziquantel drying device, praziquantel is added into the drying barrel through the formed feeding opening, then a worker can synchronously start the first motor and the air heater through the control panel, so that a first transverse rod drives a shovel plate to stir praziquantel, meanwhile, hot air heats praziquantel through air outlet holes, the praziquantel can be evenly heated, and the drying effect is improved. According to the praziquantel drying device, the drying efficiency is improved, then a worker can synchronously start a second motor and electrify a first electric heating pipe through a control panel, a stirring rod is driven to further stir praziquantel and heat praziquantel at the same time, and therefore the praziquantel heating efficiency is further improved; and heat preservation can be conducted on the material drying barrel, heat loss is reduced, and therefore the praziquantel drying cost is reduced.

The utility model discloses a kind of noodle air-drying device, comprising: machine body, front end installation observation part is fixedly connected with drying cabinet on it;Drying frame, rotation is set in the central position of the drying cabinet inside and the drying frame bottom end is sequentially penetrated the bottom of the drying cabinet and the top of the machine body extends to the machine body, the drying frame and the top of the machine body are also rotationally connected;Power part, it is connected with the drying frame bottom end and is arranged in the machine body;Flow guide frame, fixedly arranged in the drying cabinet and coaxially arranged with the drying frame;Air supply part, it is communicated with the drying frame and is arranged in the machine body interior;Exhaust port, it is arranged in one side of the machine body;And control panel, it is arranged in the front end of the drying cabinet.

The present application relates to drying equipment technical field, specifically, it relates to a kind of waste heat recovery type drying equipment and its use method.The drying cylinder, hot air mechanism and reflux component, drying cylinder is used for drying organic fertilizer, hot air mechanism is installed in the outer wall of drying cylinder, for generating high-temperature air, and high-temperature air is sent to the inside of drying cylinder, provides heat for organic fertilizer drying, reflux component is installed at the top of drying cylinder and hot air mechanism, for collecting the waste heat air after drying, realize waste heat recovery and moisture removal, simultaneously recycled hot air is re-sent into hot air mechanism and is heated twice, realize energy recycling, through the waste heat recovery function of reflux component, the hot air after drying is recycled and reused, while removing the moisture in hot air, avoid moisture backflow to affect drying effect, to avoid the problem of energy waste and high drying cost of existing drying equipment.

The utility model provides an electric bicycle frame spraying drying device which comprises a drying room, a bottom plate is fixedly installed in the drying room, a plurality of sets of sliding grooves are symmetrically formed in the left side and the right side of the top of the bottom plate, two sets of lead screws are symmetrically installed on the bottom side of the bottom plate, and ball nuts are arranged on the outer sides of the two sets of lead screws in a matched mode. And connecting bases are fixedly installed on the outer sides of the two sets of ball nuts, sliding blocks are fixedly installed on the top sides of the two sets of connecting bases, and the top sides of the two sets of sliding blocks penetrate through the sliding grooves and are fixedly connected with drying assemblies. Through cooperation of the driving motor and the lead screw, the ball nut can drive the connecting base and the sliding block to flexibly move in the sliding groove, that is, flexible movement of the drying assemblies in the drying room can be achieved, the number of the drying assemblies is reduced, meanwhile, it can be guaranteed that the temperature in the drying room is suitable and even, and when the drying device is used, the drying efficiency is improved. The power consumption is reduced, and the drying cost is reduced.

The utility model discloses a drying device for drying ceramic green bodies, which comprises a box body, a blanking platform and a controller, the box body comprises a drying chamber and a heating chamber, the drying chamber and the heating chamber are connected through a hot air pipe and an air return pipe, a track is arranged at the bottom of the drying chamber, and a material platform is arranged on the track. A hot air branch pipe and an air return branch pipe are arranged on the side wall of an inner cavity of the drying chamber, a humidifier is arranged on the upper portion of the inner cavity of the drying chamber, a moisture removal valve and a fresh air valve are arranged on the top of the drying chamber, an electric heating plate is arranged in the heating chamber, and a sliding rail is arranged on the discharging platform. By controlling the temperature and humidity in the drying chamber, the drying process is rapid and effective, the green body is not prone to cracking, high-quality drying of the green body is guaranteed, the drying time is shortened, and the purpose of efficient production is achieved.

The present invention discloses an AEM membrane electrode, an AEM electrolyzer and an electrolytic hydrogen production method, and belongs to the technical field of electrolytic hydrogen production. The AEM membrane electrode of the present invention is a vertical structure, which includes an anode collector mass transfer catalytic layer, an anion exchange membrane, a cathode catalytic layer and a cathode collector mass transfer layer from top to bottom; the AEM electrolyzer includes an anode end plate, a plurality of electrolysis chambers and a cathode end plate from top to bottom; each adjacent electrolysis chamber is isolated by a yin-yang composite plate; the anode surface of the yin-yang composite plate is connected to the alkali solution inlet and the alkali solution outlet, and the cathode surface of the yin-yang composite plate is connected to the hydrogen outlet; the electrolysis chamber includes an AEM membrane electrode, and its anode collector mass transfer catalytic layer contacts the anode surface of the yin-yang composite plate, and the cathode collector mass transfer layer contacts the cathode surface of the yin-yang composite plate. The membrane electrode of the present invention has better operating stability and more efficient hydrogen production performance, the electrolyzer has high gas production purity and high equipment safety, the water content of hydrogen is low, and the gas purification and drying cost is low.

The invention relates to the field of feed dryers, in particular to a long straight feed dryer and a drying process thereof. The technical problems that due to the fact that feed raw materials are large in moisture content and prone to adhering to a feeding port to cause the blocking phenomenon, manual defibering is needed, the feed drying efficiency is reduced, and the feed drying cost is increased are solved. Comprising a supporting frame, a rolling mechanism is arranged on the upper side of the supporting frame, a stirring mechanism is arranged in the rolling mechanism, an exhaust valve is arranged on the side face of the rolling mechanism, an isolation cabin is arranged on the other side of the rolling mechanism, a feeding port is fixedly connected to the upper surface of the isolation cabin, and a feeding door is slidably connected to the upper end of the feeding port; a screening mechanism is arranged at the upper end of the feeding opening. The stirring mechanism is arranged, the stirring shaft drives the stirring wheel to rotate, the stirring wheel rotates to drive the driving stirring plate and the reverse stirring plate to rotate reversely, it is prevented that the feed containing water adheres to and blocks the feed inlet, and manual defibering is not needed.

The present invention discloses a drying device with lifting and flipping functions, which comprises: a gantry; a drying drum, which is made of a transparent material, and the drying drum is arranged on the gantry through a lifting structure, and the left end of the drying drum is provided with a material inlet and outlet and an air inlet, and the right end of the drying drum is provided with an exhaust port, and an exhaust fan is provided at the exhaust port; a flipping structure, which is arranged on the gantry and connected to the drying drum, and the flipping structure drives the drying drum to rotate to flip the material in the drying drum. The present invention also provides a method for drying materials using a drying device with lifting and flipping functions. The present invention has the characteristics of improving drying efficiency, low cost, no land occupation, and labor saving.

The invention discloses a steam type hot air circulation dryer, and belongs to the field of edible mushroom processing, and the steam type hot air circulation dryer comprises a hot air channel, a drying cavity and a heat exchange cavity which are arranged in a dryer body, the heat exchange device comprises a plate heat exchanger, a steam energy saver and a hydrophilic aluminum foil core, the plate heat exchanger is located on a flowing path of airflow from the heat exchange cavity to the hot air channel, and the steam energy saver is located on a flowing path of airflow from the circulating air outlet to the heat exchange cavity. When the steam type hot air circulation drying machine operates, outside air is preheated through the hydrophilic aluminum foil core of the heat exchange cavity and heated through the plate heat exchanger to form high-temperature hot air which is used for drying fresh mushrooms, and the hot air circulation drying machine has the advantages that the heat exchange efficiency is improved; circulating air is heated again through the steam energy saver and then subjected to heat exchange and dehumidification strengthening on the hydrophilic aluminum foil core together with fresh air, energy is saved through circulating air, cost is reduced, and the drying efficiency is improved.

This utility model relates to the field of ceramic tile production equipment, and specifically to a protective baffle structure for a brick blank dryer. The structure includes a dryer body and is characterized by a covering baffle and two positioning brackets arranged side-by-side on the outer wall of the dryer body. The left and right ends of the covering baffle are detachably hooked onto the positioning brackets, and a heat insulation gap is provided between the covering baffle and the side wall of the dryer body. This utility model not only provides safety protection but also helps reduce heat loss, thereby improving operational safety and reducing heat loss, ultimately lowering the cost of drying brick blanks.

The invention discloses a chemical liquid medicine drying device in the technical field of chemical liquid medicine drying, which comprises a drying box body, a chemical liquid medicine box is connected to the outer wall of the right side of the drying box body, a liquid supply assembly is arranged between the chemical liquid medicine box and the drying box body, the liquid supply assembly comprises a plurality of groups of atomizing nozzles, and a rotating assembly is arranged on the outer wall of the drying box body. The rotating assembly comprises a rotating connecting rod, the bottom of the rotating connecting rod is connected with a cylinder, an inner cavity of the cylinder is movably connected with a plurality of sets of cylinders, a drying agent layer is arranged in each set of cylinders, an opening is formed in the front end face of the cylinder, a sealing cover is movably connected into the opening, and dismounting structures are arranged between the outer walls of the two sides of the sealing cover and the inner walls of the two sides of the opening. By means of rotation of the cylinder, liquid medicine of sprayed fog drops can make full contact with the drying agent layer, moisture in the liquid medicine can be rapidly removed, a traditional method of using heating and anhydrous solvent replacement is replaced, active ingredients in the chemical liquid medicine cannot be volatilized, the drying cost is reduced, and the drying effect of the chemical liquid medicine is improved.

This utility model discloses an integrated device for drying and removing impurities from Chinese herbal medicine slices, belonging to the technical field of drying and removing impurities from Chinese herbal medicine slices. The integrated device includes a drying chamber body. By employing a drawer-type design for the material frames and installing multiple sets of material frames inside a support frame, the device, with the assistance of a drive assembly, can simultaneously drive multiple sets of material frames to slide back and forth inside the drying chamber body. This allows each piece of Chinese herbal medicine slice to have a larger surface area exposed to the hot air in the drying chamber, increasing the contact area and contact opportunities with the hot air, improving the drying speed and efficiency, shortening the drying time, and collecting impurities sieved from the slices, avoiding the need for subsequent unified processing of the collected impurities. Simultaneously, staggered loading and unloading ensures that the interior of the drying chamber body remains sealed, preventing heat loss, reducing energy consumption, and lowering drying costs.

The utility model discloses a TGIC (triglycidyl isocyanurate) melting granulation device, and relates to the technical field of TGIC melting granulation, in particular to the TGIC melting granulation device, which comprises a steel belt granulator for forming TGIC material granules, a mixed melting stirring kettle, a melt pump, a vacuum pump and a steam generator, according to the TGIC melting granulation device, TGIC wet powder obtained after synthesis and alcohol crystallization is conveyed into the mixing melting stirring kettle through the feeding pipe, the wet powder in the inner furnace body is stirred through the stirring component, steam generated by the steam generator is conveyed to the heat exchange pipe, the inner furnace body is heated through the heat exchange pipe, and then the wet powder in the inner furnace body is melted; the vacuum degree in the inner furnace body is adjusted through a vacuum pump, vacuum devolatilization is carried out, and epoxy chloropropane, alcohols and other impurities in the TGIC melt are removed; and the melt in the mixing and melting stirring kettle is conveyed to the steel belt granulator through the melt pump, and the dripping TGIC melt is molded and granulated by utilizing the steel belt granulator, so that the aim of melting and granulating the TGIC wet powder is fulfilled.

The invention relates to the technical field of amomum tsao-ko drying, in particular to an amomum tsao-ko drying device which comprises a drying room, and goods shelf guide rails and hydraulic adjusting devices arranged corresponding to the goods shelf guide rails are arranged in the drying room; the storage rack is placed on the goods shelf guide rail and limited through a hydraulic adjusting device, the hydraulic adjusting device is provided with a first telescopic station and a second telescopic station, and the storage rack comprises a stable rack and movable avoiding racks which are elastically arranged on the stable rack and can be close to and away from each other. According to the scheme, in the drying process, the trays can be switched from the separated state to the stacked state, then the transverse trays form the spliced state, the side plates shield the height space, and the airflow channel is formed, in this way, in the drying process, hot air can be utilized, moisture can be intensively exhausted, meanwhile, the preheating time is shortened, and the drying efficiency is improved. And the problem that the amomum tsao-ko is heated unevenly in an open mode is solved, the drying efficiency is improved, and the drying cost is reduced.

The invention discloses low-energy-consumption equipment for rapidly preparing biomass activated carbon, and relates to the technical field of biomass activated carbon preparation. The device comprises a treatment box, two sealing mechanisms are arranged on the upper portion in the treatment box, a carbonization heating mechanism is arranged between the two sealing mechanisms, a backflow hopper is arranged in the middle of the outer side of the treatment box, and a discharge port, a return port and an air outlet which are communicated with the backflow hopper are formed in the middle of the outer side of the treatment box; a guide plate corresponding to the discharge port is arranged in the middle in the treatment box, a spray head is arranged in the middle in the treatment box, and a filtering and drying mechanism is in sliding fit with the lower part of the treatment box. According to the biomass activated carbon drying device, generated water vapor flows upwards, penetrates through the spray head through the air passing pipe on the spray head and then is discharged through the air outlet, water sprayed out of the spray head is conveniently heated, the influence on the heat of biomass activated carbon is conveniently reduced, the later drying time is conveniently shortened, energy consumed for drying is conveniently reduced, and the drying cost is reduced.

A grain storage device integrating natural ventilation and solar-driven ventilation, comprising a grain storage bin, a solar photovoltaic power generation system and a ventilation system; the grain storage bin is a square three-dimensional structure, the four sides and the bottom of the square three-dimensional structure are composed of mesh panels made of metal woven mesh, and the upper opening is connected to the bin roof; the grain storage bin is divided into two left and right storage bins by a ventilation duct arranged in the middle; the bin roof includes a "human" shaped sunlight panel; the ventilation system includes an axial flow fan and a control alarm unit, when the detected temperature and humidity are greater than the set threshold, the alarm is triggered, and the fan is controlled to start through the control module to realize the switching between natural ventilation and forced ventilation of the air duct. The solar photovoltaic power generation system is arranged next to the grain storage bin to provide the required power for the grain storage device. The device adopts a cross-flow ventilation structure for the entire bin, which saves drying costs and improves the space utilization rate of the bin.

The dish washing machine inner container comprises an inner container body, a heat insulation cover and a heating piece, the heat insulation cover is connected with the inner container body, and a cavity is formed between the inner container body and the heat insulation cover; the heating piece is arranged on the inner container body or the heat insulation cover or arranged on the inner container body and the heat insulation cover, so that the heating piece can heat air between the inner container body and the heat insulation cover. The dish washing machine has the effects of reducing water stains generated after dishes are washed and reducing the drying cost of the dish washing machine.

The utility model discloses energy-saving seed drying equipment, which belongs to the technical field of seed drying, aims at solving the problems of low efficiency, high cost and inconsistent drying quality caused by seed stacking in the drying process of the seed drying equipment, and comprises a material pouring inclined plate which is fixedly connected to the middle upper part of the inner side of a shell; a rotating shaft penetrates through and is rotationally connected to the lower middle portion of the shell and penetrates through and is fixedly connected to the middle of the drying plate, a worm wheel is fixedly connected to the left end of the rotating shaft, and a mounting plate is fixedly connected to the lower middle portion of the left side wall of the shell; a servo motor is started in the drying process, an output shaft of the servo motor rotates to enable a sector gear to rotate, so that a connecting gear is intermittently driven to rotate, a worm is driven to rotate through a transmission rod in the rotating process of the connecting gear, the worm drives a worm gear to enable a rotating shaft to rotate, and dried seeds on the upper side of a drying plate are poured into a collecting box; and the discharging step after drying is automated, and the practicability of the drying equipment is improved.

The present application discloses a highly viscous and easily dispersible inorganic gel and a preparation method thereof, and relates to the technical field of inorganic material preparation. The preparation method comprises: taking a purified bentonite slurry, adjusting its pH value to weak acidity, and then performing filter pressing dehydration, and controlling the moisture content of the filter cake after dehydration to be 45% to 50%; adding a modifier to the filter cake for modification and mixing; adding dry powder to the modified material for compounding, and mixing the two uniformly to obtain a compound material; first drying the compound material, and then crushing and sieving, and controlling the product particle size to be 150 mesh to 30 mesh, to obtain a highly viscous and easily dispersible inorganic gel; wherein the dry powder is formed by mixing fine powder less than 150 mesh after sieving with an auxiliary agent. The highly viscous and easily dispersible inorganic gel is made by the preparation method. The preparation method of the highly viscous and easily dispersible inorganic gel of the present application combines the purification of bentonite with the improvement of dispersibility, and the production process is simpler and easier to control and implement.

The utility model discloses a drying device and drying equipment, relates to the technical field of solar cells, and aims to solve the problem that water drops still exist on a bottom rod of a flower basket after a silicon wafer is dried. And at the moment, when subsequent process treatment is carried out, residual water drops can pollute the silicon wafer, so that the quality of the silicon wafer is not qualified. The drying device comprises a drying groove and an air blowing assembly. The drying groove is used for containing workpieces and drying the workpieces, and the blowing assembly is located between the groove bottom of the drying groove and the workpieces. The air blowing assembly comprises an air inlet pipe and a flow dividing pipe. One end of the flow dividing pipe is arranged between the two ends of the air inlet pipe, and the flow dividing pipe is communicated with the air inlet pipe. Through holes are formed in the flow dividing pipes, the opening directions of the through holes face the workpieces, and the through holes are used for exhausting gas to dry the workpieces.

The invention discloses a drying device and method for producing boehmite by a combined process, and relates to the technical field of boehmite drying. The drying device and method comprise a drying mechanism, wherein a transport mechanism is arranged inside the drying mechanism, a feeding mechanism is arranged at one end of the drying mechanism, a transfer mechanism is arranged at the other end of the drying mechanism, and a driving mechanism is arranged on the top of the drying mechanism; a two-way channel is formed by a gap between the drying mechanism and the transport mechanism and an inner cavity of the transport mechanism, and the boehmite is secondarily dried in the two-way channel; the invention ensures that the boehmite product can be automatically secondarily dried in the two-way channel, and the two-way channel uses the same set of drying systems, which greatly reduces the equipment cost of the drying device, and at the same time, the secondary drying can make secondary use of the same set of heat energy, thereby ensuring that the drying device can make full use of energy consumption and reducing the use cost of the drying device.

The utility model discloses an industrial waste gas waste heat recovery drying device which comprises a drying treatment box, a driving mechanism is installed in the middle of the top end of the drying treatment box, the output end of the driving mechanism is in transmission connection with a rotating rod, and a waste gas guide pipe and a material injection pipe are installed on the left side and the right side of the top end of the drying treatment box in a penetrating mode respectively. A discharging pipe and an exhaust pipe are installed on the left side face and the right side face of the bottom of the drying treatment box in a penetrating mode correspondingly, the outer side, located above the drying treatment box, of a rotating rod is sequentially sleeved with an extending blade rod and a plurality of sets of mixing blade rods from top to bottom, and L-shaped cleaning scraping brushes are connected to the positions, close to the inner side wall of the drying treatment box, of the two ends of the extending blade rod. The drying device has the advantages that through the integrated mixing, drying, filtering, separating and cleaning cyclic utilization structure, pollution to a drying agent is reduced, the drying agent is prevented from adhering to the inner wall of the device and affecting use, the drying efficiency is improved, meanwhile, the drying cost is saved, cleaning and maintaining are completed, and the using effect is improved.

The invention provides a light brick pouring preparation device and a preparation process, and relates to the technical field of light brick production, the light brick pouring preparation device comprises an auxiliary supporting unit, a drying unit, a pressing unit and a temporary storage unit; five rows of round holes are formed in the conveying line body; the control panel is mounted on the conveying line body, two control keys are arranged on the control panel, and a motor on the conveying line body is electrically connected with the control panel; the auxiliary supporting unit is installed on the conveying line body. The drying unit is mounted outside the conveying line body; the number of the pressing units is two, and the two pressing units are installed on the drying unit. The temporary storage unit is installed on the right side of the conveying line body. According to the green brick drying device, it is guaranteed that dried air can be recycled, electric energy loss during heating is reduced, and the drying cost of green bricks can be reduced; the problems that due to the fact that the circulating drying effect is not achieved generally, dried hot air can be wasted, and electric energy loss in the subsequent heating process is increased are solved.

The utility model relates to the technical field of food drying machines, and discloses a feeding mechanism of a food drying machine, which comprises a drying machine body, a feeding hole is formed in the upper part of the drying machine body, a rotatable filter cylinder is arranged in the drying machine body, the filter cylinder is communicated with the feeding hole, and a push plate is slidably inserted in the filter cylinder; a lifting assembly is arranged outside the push plate, and protrusions are fixedly installed on the surface of the push plate. According to the scheme, during feeding, food raw materials can be screened, caked food raw materials are left in a filter cylinder, the caked food raw materials are driven to be thrown upwards through vertical lifting of a push plate, the food raw materials collide with protrusions when falling down, the caked food raw materials are conveniently separated, and the food raw materials are conveniently separated. According to the food raw material drying device, the food raw material drying efficiency can be improved, meanwhile, the food raw material drying effect can be guaranteed, caked food raw materials do not need to be separated manually, the workload of workers can be reduced, and the food drying cost is reduced.

The utility model discloses a kind of auxiliary bearing mechanisms for metal fitting drying, including bottom plate, the upper end of the bottom plate is equipped with six support plates at equal intervals, and two support plates of same side are a group, and one mounting piece is jointly installed on two support plates in same group, and four support plates are equipped with opening, connecting rod is penetrated in the opening, and mounting plate is fixed on the middle and both sides of the connecting rod, one side of one support plate is fixed with air cylinder, the piston rod end of the air cylinder is fixed on one mounting plate, one support plate in same group is fixed with guide rail on one side, and sliding block is installed on the guide rail. The utility model not only can assist metal fitting to be fully dried, but also can guarantee its drying quality, in addition, different bearing forms can be selected according to needs, and the effect and quality of bearing can also be guaranteed, while improving drying speed, reducing drying time and cost, and enhancing the rapidity of metal fitting processing.

The utility model discloses an internal circulation system for sludge drying, gasifying and melting, which relates to the technical field of solid waste treatment and comprises gasifying and melting equipment, sludge drying equipment and a circulation device, the gasifying and melting equipment comprises a gasifying device and a melting device; the sludge drying equipment comprises a sludge feeding device and a sludge heat drying device; the circulating device comprises a first water removal device, a fan and a mixing and conveying device; the gas inlet end of the first dewatering device is connected with the gas outlet end of the melting device, and the first dewatering device is used for dewatering gas output by the melting device; the air outlet end of the first water removal device is connected with the air inlet end of the sludge heat drying device through the fan; the gas outlet end of the sludge heat drying device is connected to the gasification device through the mixing and conveying device. According to the gasification and melting internal circulation system for sludge drying, the resource utilization rate is increased, and the sludge drying cost is effectively reduced.

The invention belongs to the technical field of new energy batteries, and particularly relates to a magnesium metal battery water-resistant electrolyte as well as a preparation method and application thereof. The magnesium metal battery water-resistant electrolyte is prepared from the following raw materials: magnesium salt, metal or non-metal halide, an organic ether solvent and a boric acid ester additive. According to the water-resistant electrolyte for the magnesium metal battery, boric acid ester additives react with water molecules, the content of free water or coordinated water is reduced, meanwhile, components of an electrode / electrolyte interface are improved through preferential decomposition, and a more stable SEI / CEI (solid electrolyte interface film / positive electrode electrolyte interface film) is formed, so that the water resistance of the battery is remarkably improved, and the service life of the battery is prolonged. And after water (especially water content of 0-50000 ppm) is added, stable circulation can still be realized, and the preparation cost, drying cost and environmental requirements of the magnesium metal battery can be greatly reduced.

The present invention discloses a drying box, comprising a box with a drying cavity, two air knives arranged in the box at intervals and dividing the drying cavity into an upper cavity, an interval cavity and a lower cavity, two material ports arranged on both sides of the box, a circulating fan arranged outside the box, two air inlets connected to the output end of the circulating fan and respectively connected to the upper cavity and the lower cavity, a return air duct connected to the input end of the circulating fan and connected to the lower cavity, a burner arranged outside the box, and a combustion cylinder connected to the burner and arranged in the lower cavity; the air knives are arranged with a plurality of air holes. The present invention realizes the method of heating by natural gas, reduces the drying cost of the plate and strip, avoids the loss of heat, improves the heating efficiency, and at the same time enables the entire drying box to form a hot air circulation drying method, further improving the heating efficiency.