100 results about "Drum drying" patented technology

The utility model discloses a hot air penetration type drying system for wet spunlace, which comprises a wall frame, a thermal cycle air supplement adjusting device and a circulating fan, and an upper-layer flow guide air plate, a rotary drum drying net and a lower-layer flow guide air plate are arranged in the wall frame; the upper-layer flow guide air plate is located above the rotary drum drying net, the lower-layer flow guide air plate is located below the rotary drum drying net, and the thermal cycle air supplement adjusting devices are arranged at an inlet and an outlet of the drying oven respectively. Due to the unique penetrating type design, hot air can directly act on the surfaces of materials, the drying time is greatly shortened, and meanwhile energy consumption is reduced.

The invention relates to the field of old asphalt regeneration, in particular to an old asphalt mixture regeneration device and a regeneration process thereof.The old asphalt mixture regeneration device comprises a storage device used for storing materials, a fluidized bed drying system, a roller drying system, a stirring main machine and a dust removal system; the fluidized bed drying system is used for drying and metering small-particle-size asphaltic sand and comprises a feeding hopper, a fluidized bed, a first metering device and a first smoke exhaust device. The material storage device comprises a stock bin, a material overturning mechanism arranged in the middle of the stock bin and used for lifting and overturning materials and a discharging mechanism arranged at the lower end of the stock bin, an air inlet and an air outlet are formed in the two opposite side walls of the stock bin respectively, a feeding port and a discharging port are formed in the stock bin, and the discharging port is communicated with the discharging mechanism; and hot air circulating systems are arranged on the air inlet and the air outlet. The technical problem that asphaltic sand is easy to accumulate and adhere is solved.

The utility model relates to the technical field of tea leaves, in particular to a roller drying device for tea leaf processing, which comprises a supporting bottom plate, a riding wheel assembly is arranged on the left side of the top of the supporting bottom plate, the riding wheel assembly comprises a mounting seat, and the bottom of the mounting seat is fixedly connected with the left side of the top of the supporting bottom plate. Two bearing seats are fixedly arranged on each of the two sides of the top of the mounting seat, supporting vertical plates are fixedly arranged on the surfaces of the bearing seats, supporting inclined plates are fixedly connected to the tops of the supporting vertical plates, supporting columns are fixedly connected to the tops of the bearing seats, and the tops of the supporting columns are fixedly connected with the bottoms of the supporting inclined plates; when the roller rotates, the motor is started, the motor drives the rotating rod to rotate, the rotating rod rotates to drive the transmission gear to rotate, and the transmission gear rotates to drive the large gear sleeve to rotate.

An apparatus for separating an amount of a substance from water which is contaminated with the substance, the apparatus comprising: a chamber having an inlet which is arranged in use to admit thereinto an amount of the contaminated water which includes an initial concentration of the substance; a gas introduction device which in use admits gas into the chamber, the introduced gas for inducing water to flow within the chamber, and for producing a froth layer which is formed at, and which rises above an interface with the said flow of water and introduced gas in the chamber, the froth layer including an amount of water and also a concentrated amount of the substance when compared with its initial concentration; wherein the apparatus is arranged in use to control the water content of the froth layer which rises above the interface, to influence the concentration of the substance therein; wherein the apparatus further comprises a froth layer removal device in which at least some of the froth layer is collapsed during removal of at least some of the froth layer from the uppermost region of the chamber, and wherein the apparatus further comprises a secondary treatment device in use for treating the collapsed froth layer for removal of the concentrated substance, wherein the secondary treatment device includes at least one of the group comprising: absorption (using activated carbon, clay, or ion exchange resins), filtration (using reverse osmosis membranes); vacuum distillation; drum drying; and introduction of further quantity of gas into a separate containment apparatus to produce another froth layer comprising a further concentrated amount of the substance.

The present disclosure relates to a method for producing a roll-shaped dried laver and a roll-shaped dried laver produced by the method for producing a roll-shaped dried laver, the method comprising: a sheeting step (S60) of forming a sheet by loading raw laver onto a mesh belt; a dehydration step (S80) for removing water from the raw laver slices formed in the tabletting step (S60); a pre-drying step (S90) for preliminarily drying the dehydrated raw laver pieces from the dehydration step; and a drum drying step (S100) in which, after the pre-drying step (S90), the primarily dried raw laver pieces are secondarily dried using a drum dryer.

The invention relates to the technical field of drying, and discloses a scraper roller drying device and method. The drying roller is rotationally connected to the mounting frame and comprises a first side face and a second side face, and the first side face and the second side face are the surfaces on the two sides of the longitudinal symmetry face of the drying roller correspondingly. The first guniting pipe is installed on the installation frame, and a plurality of first guniting holes are formed in the side wall of the first guniting pipe and correspond to the first side face. The second guniting pipe is installed on the installation frame, and a plurality of second guniting holes are formed in the side wall of the second guniting pipe and correspond to the second side face. The scraping end of the scraper abuts against the second side face, and the first guniting pipe, the scraper and the second guniting pipe are sequentially arranged in the rolling direction of the drying roller. According to the scraper roller drying device and method, the drying efficiency is improved.

The present disclosure provides a kind of integrated ejector lignite drying supercritical CO2 power generation system and method, by coupling deeply with supercritical CO2 coal-fired power generation system through ejector lignite drying system, utilize high-temperature high-pressure CO2 working substance of high-temperature regenerator outlet to eject low-temperature low-pressure CO2 working substance of low-temperature regenerator outlet, form the medium-temperature medium-pressure working substance matching with the temperature and lignite drying demand, drive rotary drum dryer to carry out pre-drying treatment to high-moisture lignite;At the same time, the water vapor released in drying process is condensed to recover condensate water, and low-moisture lignite after drying is sent into boiler for combustion.The cold source loss is significantly reduced, and the system comprehensive energy efficiency, combustion efficiency and unit power supply efficiency are improved.In addition, the condensate water generated in the process of lignite drying is recovered, which reduces the water consumption of the unit, and energy efficient utilization and resource saving are considered.

The application discloses a method for adding a smoke generating agent to tobacco shreds and a heated cigarette. The method for adding the smoke generating agent to the tobacco shreds comprises the following steps: increasing the moisture content of natural tobacco leaves to a first preset concentration; cutting the natural tobacco leaves to obtain tobacco shreds; reducing the moisture content of the tobacco shreds to a second preset concentration; increasing the temperature of the tobacco shreds to a preset temperature; performing drum drying treatment on the tobacco shreds; and adding the smoke generating agent to the tobacco shreds after the drum drying treatment. The application can obtain tobacco shreds to which the smoke generating agent is more uniformly applied.

The application discloses a thin-plate drum drying machine cylinder temperature qualified rate control method, which comprises the following steps: step S1: collecting the change of the inlet moisture of the drying machine when the cylinder temperature meets the standard set value under different seasonal conditions within one year, and establishing a mathematical model of seasonal change and the inlet moisture suitable value; step S2: collecting the change of the inlet moisture of the drying machine when the cylinder temperature meets the standard set value under the conditions of sunny day, cloudy day and rainy day in the same season of the current year, and establishing a mathematical model of different weather and the inlet moisture suitable value; and step S3: collecting the change of the inlet moisture of the drying machine when the cylinder temperature meets the standard value at different batches on the same day, and establishing a mathematical model of different batches and the inlet moisture suitable value. According to the phenomenon that the cylinder temperature of the drying machine is greatly fluctuated due to the influence of environmental factors, the mathematical model of the material moisture suitable value is established under the condition that the cylinder temperature meets the standard value according to the seasons, weather and batches, so that the set values of the loose moisture rehydration water adding ratio and the secondary feeding outlet moisture of the tobacco leaf section are sequentially controlled in a reverse direction, and the cylinder temperature qualified rate of the thin-plate drum drying machine is improved.

The utility model provides a high-concentration electroplating waste liquid treatment device which is characterized in that the high-concentration electroplating waste liquid treatment device comprises a machine frame, a feeding stirring barrel, a roller dryer and a heating system, the roller dryer is installed on the machine frame through a bearing, and the feeding stirring barrel and the heating system are further arranged on the machine frame; the heating system comprises an expansion oil tank and a heat-conducting oil furnace; the feed stirring barrel is connected with the roller dryer through a feed lifting pipe and a return pipe; and the roller dryer is connected with the heating system through an oil inlet pipeline and an oil outlet pipeline. The heat conduction oil is ingeniously used for heating the central roller, accurate regulation and control of evaporation drying temperature are achieved, and it is ensured that waste liquid is evaporated under the optimal condition. According to the device, the treatment efficiency of the high-concentration electroplating waste liquid is improved, the treatment cost is further reduced, and powerful technical support is provided for sustainable development of the electroplating industry.

The present application relates to the field of furniture leather processing, and more particularly to a greasing process for furniture leather. The greasing process for furniture leather comprises, in sequence: rinsing → chrome retanning → water washing and neutralization → dyeing / greasing → water washing, drum drying. On the one hand, the preparation process of the present application utilizes a relatively stable greasing agent, which reduces volatilization and oxidation of the greasing agent during use, thereby reducing the VOC (Volatilization Oxide) value and atomization value released by the leather and improving the leather's oxidation resistance. On the other hand, during the dyeing / greasing step, the acrylate retanning agent, dicyandiamide, and melamine form a protective film on the surface of the leather embryo that has good adhesion to the leather embryo, filling small holes and defects on the leather surface and reducing the leather's contact with oxygen. Furthermore, the VOC value and atomization value of the prepared leather are reduced, and the oxidation resistance of the leather is improved.

The application discloses a harmless treatment method of aluminum electrolysis overhaul slag, and comprises the following steps: removing large particle iron through magnetic separation, recovering aluminum particles, high-temperature roasting in a clinker kiln, carbon removal through flotation, obtaining high-purity carbon through carbon acid and alkali purification, obtaining iron minerals through flotation, obtaining solid cryolite Na3AlF6 through drum drying, realizing aluminum and silicon mineral separation through reverse flotation desilication, obtaining aluminum mineral liquid, and obtaining aluminum oxide after roasting the aluminum mineral liquid.The application adopts a method of high-temperature roasting, flotation and acid-alkali treatment cooperation, high-temperature roasting makes fluoride in the overhaul slag into harmless calcium fluoride, and toxic cyanide is cracked in high temperature to generate nitrogen oxide, realizing harmless treatment of cyanide.The application realizes effective separation of carbon material, iron ore powder, aluminum ore powder and solid cryolite and other substances in the overhaul slag through multiple flotation treatments, realizes resource utilization of useful elements, opens up a new way for harmless disposal and resource utilization of the overhaul slag, and has very significant economic benefits.

Provided is a process for providing a flake powder characterized by a particle size of −40 mesh to +200 mesh; a Scott density of at least 1.458 g / cm3; and a flow of at least 1 g / s. The process includes introducing a milled flake powder in a solvent to a first dryer; removing the solvent at a temperature below a melting point of the solvent under a reduced atmosphere to obtain a partially dry flake powder; and introducing the partially dry flake powder to a second dryer to form flake powder wherein particles of partially dry flake powder are heated and simultaneously subjected to an uncorrelated motion relative to adjacent particles.

The invention relates to the technical field of devices and instruments, and discloses an efficient hot air drying, filtering and screening device which comprises a fan, an electric heating device, a fluidized bed drying device, a cyclone separator, a bag filter, a U-shaped differential pressure gauge, a lifting plate type roller dryer, a computer control system, a plurality of valves and a plurality of thermocouples for temperature control and display. In the aspect of temperature control, on one hand, a thermocouple is arranged in the electric heating device, the temperature of hot air is controlled through a computer control system, on the other hand, a pipeline of the electric heating device is long, air can be fully heated, on the aspect of air volume, the air volume of a fan can be adjusted, and on the aspect of product drying and collecting, on the one hand, a plurality of L-shaped material raising plates are arranged in the material raising plate type roller dryer; wheat can fully flow in the barrel and make contact with hot air, the drying efficiency is improved, on the other hand, blown impurities and bran can be filtered out from the slag outlet through the small holes in the lifting plate and the filter screen, and filtering and screening of the impurities are achieved.

The utility model discloses rotary drum drying equipment for feed, which comprises a rack, a rotary drum is rotatably mounted at the top of the rack, the rotary drum is obliquely arranged, a speed reducing motor for driving the rotary drum is fixedly mounted on the rack, a front housing and a rear housing are rotatably sleeved at two ends of the rotary drum respectively, and the front housing and the rear housing are fixedly mounted on the rack. The front housing and the rear housing are both fixedly connected with the rack, an industrial air heater and a feeding hopper are fixedly mounted on the outer wall of the front housing, and a discharging hopper is arranged at the bottom of the rear housing; according to the utility model, when a large amount of feed adheres to the interior of the rotary drum and needs to be cleaned, or some shoveling plates need to be replaced due to excessive abrasion or deformation, cleaning equipment can extend into the rotary drum from the access hole or the shoveling plates can be fed or taken out from the access hole only by detaching the cover plate at a proper position on the rotary drum, and the rotary drum can be cleaned through the cooperation of the screw rod, the through hole and the nut. The shoveling plate is convenient to disassemble and assemble on the rotary drum and the cover plate, the operation is simple and convenient, and the maintenance efficiency of the rotary drum dryer is greatly improved.

The invention provides clothes processing equipment and a drum drying control method, the clothes processing equipment comprises a drum body assembly, the drum body assembly comprises an inner drum, an outer drum and a lifting rib, the inner wall surface of the side wall of the inner drum is provided with a mounting area, and the mounting area is provided with a first through hole; the lifting rib is arranged in the mounting area, and a cavity is defined by the bottom wall and the side wall of the lifting rib; the bottom wall of the lifting rib is provided with an opening and the side wall is provided with a second through hole; when the second through hole is in an open state, the first through hole, the opening, the cavity and the second through hole are sequentially communicated to form a passage, and the passage is communicated with the outer cylinder and the inner cylinder; when the second through hole is in a closed state, the passage is disconnected; the inner cylinder can be switched between a porous structure state and a non-porous structure state by controlling opening or closing of the second through holes in the lifting ribs; in the washing or rinsing stage, the second through hole is closed, and the inner barrel is isolated from the outer barrel; and in the drying or drum drying stage, the second through hole is opened, the inner drum communicates with the outer drum, hot air flows between the inner drum and the outer drum, and the drying uniformity is improved.

The utility model discloses an inner barrel heating structure of a roller dryer, which relates to the technical field of dryers and comprises a heating shell, a heating component is arranged on the inner side of the heating shell, and a filter component is further arranged on the front end face of the heating shell. The heating assembly comprises a two-way lead screw rotationally connected to the top of the heating shell in the longitudinal direction, and the front end and the rear end of the outer wall of the two-way lead screw are sleeved with first sliding blocks in a threaded mode. The movable frame is driven by the bidirectional lead screw and the first sliding block to move, and the evaporator and the condenser are driven by the movable frame to move in the heating shell, so that the evaporator and the condenser are convenient to mount and dismount, and the problem that an existing heating structure is inconvenient to mount and dismount is solved; and meanwhile, air in the drying machine is evenly conveyed into the filter box through the air distribution plate, spraying dust removal is conducted on the air through the spraying pipe and the atomizing nozzle, and the problem that dust removal is not convenient to conduct on heated air at present is solved.

According to the roasting system with the burner arranged in the furnace cover and the process method, the rack is of an annular structure, the trolley sequentially passes through all the process sections on the rack, the preheating section, the roasting section, the soaking section and the first cooling section adopt the integral furnace cover, hot air generated by the first cooling section can directly enter the roasting section and the soaking section, and heat loss of a high-temperature area is reduced. Hot air generated by the furnace cover of the secondary cooling section enters the furnace cover of the preheating section and can directly preheat pellets, part of hot air is supplemented to the front section of the roasting section, and the air volume in the whole furnace cover is kept balanced. And independent furnace hoods are adopted in other process sections. And hot air generated by the third-cooling-section furnace cover is introduced into the blowing-drying section to blow air and dry the pellets. The cooling section is divided into three sections, hot air from the furnace cover flows to the three process sections respectively, the hot air is utilized in a grading mode, and heat waste is reduced. The combustor is directly installed on the side wall of the furnace cover of the roasting section, and heat loss is small. The ring type roasting system has the characteristics of small occupied area, uniformity in pellet roasting and low investment cost, and is suitable for medium and small-scale production.

The utility model discloses a detachable cleaning type sludge conditioner roller dryer which comprises a heater, a roller capable of clockwise rotating by degrees is installed at the top of the heater, and a feeding and discharging bin in threaded connection with the roller is installed at one end of the heater. According to the utility model, the bolts between the roller and the upper and lower stock bins are detached, and the upper and lower stock bins are moved outwards on the fixed seat, so that the upper and lower stock bins can be detached, and the interiors of the upper and lower stock bins are independently cleaned; in addition, the roller is rotated by 180 degrees on the heater, the roller and the heater are separated, the heater can be wiped and cleaned, the inner side of the roller can be conveniently cleaned, and therefore the situation that the heating efficiency is affected due to the fact that sludge conditioner raw materials are attached to the interior of equipment is avoided, and the machining cost is effectively reduced.

The invention discloses a dewatering and drying device and method for bio-organic fertilizers, and relates to the technical field of bio-organic fertilizer manufacturing, the dewatering and drying device comprises a roller dryer body and a rack, a cluster breaking mechanism matched with a turning plate to extrude clustered straw is arranged on the outer side of the roller dryer body, and one end of the mechanism is fixedly connected with a linear module; the linear module is fixedly connected with a winding mechanism for winding a binding net through a sliding block in the linear module, one side of the winding mechanism is provided with a turnover mechanism and a cluster breaking mechanism, the roller drying machine body shovels up clustered straw through a turnover plate, the turnover plate drives the clustered straw to move together, the clustered straw is broken under the extrusion action of a pressing plate, and then the clustered straw is conveyed to the roller drying machine body. Therefore, the straw drying efficiency and effect are improved, meanwhile, agglomerated straw does not need to be manually extruded, the overall extrusion efficiency is improved through automatic extrusion, the pressing plate can move to the outer side of the roller dryer body when not conducting extrusion, and it is guaranteed that the pressing plate cannot affect material shoveling of the turning plate.

The invention discloses an energy conservation and emission reduction system for chain-back pellets, and belongs to the technical field of chain-back pellet production. Comprising a chain grate, a rotary kiln and a circular cooler which are sequentially connected, two ends of a hot air pipeline c are respectively connected with a third-cooling-section hot air outlet and a drum drying-section hot air inlet, two ends of a hot air pipeline a are respectively connected with a first-cooling-section hot air outlet and the hot air pipeline c, and two ends of a hot air pipeline b are respectively connected with a second-cooling-section hot air outlet and a preheating first-section hot air inlet. A hot air outlet of the second preheating section is connected with a hot air inlet of the drying section through a hot air pipeline d; an upper cover waste gas outlet of the blow-drying section is connected with a cooling inlet of the first cooling section, air box outlets of the pumping section and the first preheating section are connected with a waste gas treatment unit which is connected with an exhaust unit, and a hot air outlet of the fourth cooling section is connected with a cooling inlet of the second cooling section. The method has the beneficial effects that the resource recycling rate is remarkably increased; the equipment investment and the operation cost are effectively reduced; optimizing and upgrading the operation efficiency of the equipment; the environment-friendly treatment effect is obvious; the energy consumption is lower.

The utility model belongs to the technical field of seed treatment, and particularly discloses a cucurbita pepo seed soaking and drying integrated device which comprises a seed soaking barrel, a drying box and a water tank, water spraying openings are formed in the two opposite sides of the inner wall of the seed soaking barrel and communicated with the water tank through a water supply mechanism, a roller is arranged in the drying box, and an air blowing device is arranged at the bottom of the drying box. A first motor is obliquely and fixedly connected to the outer side of the drying box, the first motor is in transmission connection with the upward end of the roller, the downward end of the roller is rotationally connected with the rotor, the seed soaking barrel is fixedly connected with the drying box through a water filtering tank, a water collecting pipe is fixedly connected below the water filtering tank, and the other end of the water collecting pipe is fixedly connected with the water tank. According to the device, stirring is carried out in a water flushing mode, water circulation is achieved, waste of water resources is avoided while seed shells are protected, and by arranging the integrated device, the labor cost is reduced, and the working efficiency is improved.

The present invention discloses a drum drying device, comprising: an equipment main body, the equipment main body comprising a base plate and a processing chamber connected to the base plate, a feed cover and a discharge cover, the processing chamber being connected to an air inlet pipe, a drum main body rotatably connected to the processing chamber, a driving component connected to the drum main body to drive the drum main body to rotate, the drum main body being divided into a discharge end and a feed end, the feed end being located in the processing chamber near the air inlet pipe, the discharge end partially extending to the outside of the processing chamber and extending into the discharge cover, a discharge port being provided in the discharge cover, the equipment main body further comprising a cover plate hinged on the processing chamber at one end, the cover plate being adapted to be rotated to control the switch of the space at the top of the processing chamber, the cover plate closing the processing chamber being adapted to form a heating chamber between the drum, the material processing effect is improved by a shoveling plate movably arranged in the drum, and sticky materials are scraped off at the same time.

The invention discloses a system and a method for prolonging operation of a carnallite crystallization device. The system comprises a carnallite crystallization device, a water inlet of the carnallite crystallization device is connected with a high-salinity water pipeline, and the carnallite crystallization device is configured to separate a saturated salt solution and secondary steam from the high-salinity water; the vacuum crystallization device is connected with an outlet of the carnallite crystallization device, the vacuum crystallization device is configured to pump out secondary steam, the vacuum device comprises a gas return pipeline, and the gas return pipeline is connected with a connecting pipeline between the carnallite crystallization device and the vacuum crystallization device; and the rotary drum drying device is connected with the carnallite crystallization device, and the rotary drum drying device is configured to pump out the saturated salt solution and separate salt in the saturated salt solution. Through cooperation of the vacuum crystallization device and the rotary drum drying device, the operation time of the carnallite crystallization device can be effectively prolonged, the maintenance and shutdown cost of the carnallite crystallization device can be reduced, and the environmental protection property of heavy salt water treatment can be improved.

The utility model discloses a device for drying potato residues through steam waste heat in the potato whole powder drying process, belongs to the field of potato powder production, and solves the problem that complete drying cannot be achieved through an existing potato residue drying method. The device comprises a roller dryer, a heat exchanger and a drying bed, a hot water tank is arranged at the bottom of the drying bed; an exhaust port and a water outlet are formed in the side of the hot water tank; the roller dryer is connected to the inlet end of the heat exchanger through a conveying pipeline, the outlet end of the heat exchanger is connected to the hot water tank through a buffer pipeline, and a valve is arranged on the conveying pipeline. Steam waste heat generated by a roller dryer in a potato whole powder drying workshop is used as a heat source, the steam waste heat is connected with the hot water tank below the drying bed in series, the steam temperature is adjusted through the heat exchanger to become hot water suitable for the potato residue drying temperature, potato residues are dried, and energy is saved.

The present invention relates to the field of carbon black production lines, and in particular to a carbon black production device with efficient waste heat recovery and utilization, comprising a reactor, an air preheater, a waste heat boiler, a main bag filter, and a wet granulator, and also comprising a low-temperature crude oil preheater and a high-temperature crude oil preheater. The present invention introduces the 400°C flue gas from the crude oil preheater into a drum dryer as a heat source to dry the carbon black from the wet granulator, thereby achieving waste heat reuse. Reusing waste heat reduces the amount of quenching water used, increases the proportion of combustible gas in the high-temperature flue gas, and improves the calorific value of the tail gas. The present invention eliminates the need for a tail gas combustion furnace in traditional dryers to provide a heat source for drying carbon black, and reduces the equipment such as the tail gas combustion furnace, tail gas furnace air supply fan, tail gas furnace water seal, and tail gas furnace gas pipe, thereby achieving energy conservation and consumption reduction. After the tail gas combustion furnace is eliminated in the present invention, the labor intensity of the operator is reduced, and the safety risks of tail gas furnace flameout and tail gas furnace explosion in the initial stage of ignition are eliminated.

A drying apparatus for AMPS polymer emulsions, relating to the field of drum dryer technology, includes a base, a drum, an emulsion tank, and two side support cylinders on top of the base. The side support cylinders are fixedly connected to the base. Both ends of the drum extend into the two side support cylinders and are rotatably sealed to them. A portion of the lower outer wall of the drum and the side support cylinders is located within the emulsion tank. Several slidingly arranged sliding collection plates are provided through the outer wall of the drum. A collection groove is provided at the top of each sliding collection plate. An extrusion plate, slidably sealed to the sliding collection plate, is located inside the collection groove. The outer side wall of the sliding collection plate has an arc-shaped structure. When the sliding collection plate is reset, its outer side wall and the outer wall of the drum form a complete circular structure. A gas channel is provided inside the extrusion plate, and an air duct is provided inside the drum. Both the gas channel and the air duct are connected to an external hot air circulation system. This invention solves the problem of low drying efficiency caused by the curtain-like flow effect in existing drum dryers.

The invention discloses herba epimedii extract precipitation drying equipment, and relates to the technical field of drying equipment, the herba epimedii extract precipitation drying equipment comprises a rack, a drying cylinder is fixedly arranged on the upper surface of the rack, a roller drying assembly is arranged in the drying cylinder, a deslagging assembly is arranged at the bottom of the drying cylinder, and a heating ventilation mechanism is arranged at the bottom of the rack; the roller drying assembly comprises a rotating cylinder rotationally arranged in the drying cylinder. By arranging the heating ventilation mechanism and the roller drying assembly, a draught fan sends hot air heated by an electric heating pipe into a heating box, then the hot air is guided into a heat conduction pipe in a rotating cylinder through an air guide corrugated pipe and a limiting sleeve, the hot air is sprayed out from a strip-shaped air outlet hole of the heat conduction pipe, and meanwhile the rotating cylinder is driven by a driving mechanism to rotate; the herba epimedii extract precipitates are in full contact with hot air, ventilation sieve holes in the surface of the rotating cylinder further guarantee ventilation inside and outside the cylinder, all-directional and dead-corner-free drying is achieved, the drying efficiency is greatly improved, and the problem that local drying is not thorough is solved.

The novel barium sulfate drum drying device is composed of a hopper, a feeding auger, a drying mechanism, a discharging auger and a packaging mechanism, wherein the hopper stores wet barium sulfate to be dried, the discharge port of the hopper is connected with the feeding auger, the feeding auger conveys the wet barium sulfate to the feeding port of the drying mechanism, the wet barium sulfate is dried in the drying mechanism, a discharge port is arranged at the end of the drying mechanism opposite to the feeding port, and the dried barium sulfate is sent to the packaging mechanism for packaging through the discharging auger. The drying mechanism adopts a drying mode of sleeve and screen cylinder combination, has high drying efficiency and can process a large amount of drying materials at a time.

The present invention relates to a double-drum clothing processing device and a drying method. The double-drum clothing processing device includes: a first clothing processing drum and a second clothing processing drum, the first clothing processing drum and the second clothing processing drum are arranged in sequence from top to bottom, and the clothing processing device includes an air duct system, the air duct system includes an air inlet component, an air outlet component, a main drying air duct and two air distribution components, the air outlet component includes an upper air outlet duct and a lower air outlet duct, and the upper air outlet duct and the lower air outlet duct are respectively provided with exhaust ports. One of the two air distribution components corresponds to the air inlet component, and the other air distribution component corresponds to the air outlet component. The present invention can achieve the conventional functions of stabilizing the air pressure in the drum and overflowing bubbles by respectively providing exhaust ports in the upper air outlet duct and the lower air outlet duct, and can also achieve the functions of introducing fresh air and dehumidification during single-drum drying, thereby improving the single-drum drying efficiency, shortening the drying time, and reducing energy consumption.