62 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.

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 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 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 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 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.

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 utility model discloses ultrasonic anti-deposition drum drying equipment for yeast hydrolysate, which comprises a trough arranged at the bottom of a drum scraper dryer, an ultrasonic vibration component is arranged at the bottom of the trough, and the ultrasonic vibration component comprises a plurality of resonance rings arranged at equal intervals along the axial direction. The resonance rings are detachably fixed to the trough through a plurality of fasteners to form linkage fit, material deposition in the trough is prevented, cleaning is facilitated, and meanwhile the product quality stability is improved.

The invention relates to the technical field of soil nutrient detection, and discloses a cotton field soil nutrient detection rapid pretreatment device which comprises an air drying mechanism, a screening mechanism and a crushing, grinding and screening integrated mechanism which are sequentially arranged from top to bottom. The air drying mechanism comprises a first main support component, a station control component, a roller drying component and a dry air output component, the screening mechanism comprises a frame, a shell and a top cover, and the crushing, grinding and screening integrated mechanism comprises a second main support component, an impact driving component, a crushing and grinding component and an automatic screening component. A lifting component is installed on a first supporting plate of the second main support component, the fixed end of the impact driving component is connected with the lifting component, and the crushing and grinding component is arranged below the output end of the impact driving component. The technical problems that an existing soil nutrient detection pretreatment device is dispersed in function and low in automation degree, the treatment efficiency is low due to the fact that samples need to be manually transferred, and cross contamination is likely to be generated are solved.

The utility model discloses a drying system waste heat recycling system in indigo blue production, which comprises a roller dryer, a first heat exchanger, a second heat exchanger, a central water tank and a heat pump system, the roller dryer comprises a roller, a heat carrier introducing pipeline, a high-temperature potassium sodium salt mother liquor output channel, a waste gas discharging pipeline and a discharging device pipeline, the second heat exchanger comprises two output pipelines, one output pipeline is connected with the high-temperature potassium sodium salt mother liquor output channel, and the other output pipeline is connected with the outside through an exhaust fan; the waste gas discharge pipeline is connected with the first heat exchanger, the first heat exchanger comprises a waste water discharge pipeline and a high-temperature cooling water output pipeline, the high-temperature cooling water output pipeline is connected with the central water tank through a pump, and the central water tank comprises a low-temperature cooling water output pipeline, a high-temperature cooling water discharge pipeline and a low-temperature cooling water output pipeline; the high-temperature cooling water discharge pipeline is connected with the heat pump system, and the low-temperature cooling water output pipeline is connected with the first heat exchanger. High-temperature waste gas generated in the drying process can be recycled, and environmental pollution is reduced.

The utility model relates to the technical field of quartz sand drying, in particular to a drum-type drying device special for quartz sand drying, which comprises a bottom plate shell, the upper end of the outer wall of a bottom plate is fixedly connected with the shell through a support, a quartz sand drying structure is arranged at the upper end of the left side of the outer wall of the shell, and a quartz sand stirring structure is arranged at the lower end of the left side of the outer wall of the shell. A first barrel is fixedly connected to the left side of the inner wall of the shell. According to the drum-type drying device special for quartz sand drying, through cooperation of a quartz sand stirring structure and a quartz sand drying structure, an air heater is started to convey hot air into an auger, the hot air is sprayed into quartz sand through a plurality of net plates, a servo motor finally drives a second drum to rotate forwards and the auger to rotate reversely, and the quartz sand can be turned over forwards and stirred reversely; the quartz sand is more dispersed, the contact area of the quartz sand and hot air is increased, the drying process is accelerated, meanwhile, discharging and supplementing can be conducted when the quartz sand is dried, the quartz sand can be continuously dried, and the working efficiency is effectively improved.

The application discloses a kind of dehydration drying device and drying method for bio-organic fertilizer, it is related to bio-organic fertilizer making technical field, including roller dryer main part and rack, the outer side of the roller dryer main part is provided with the broken group mechanism of cooperation flap extrusion into group straw, one end of the mechanism is fixedly connected with linear module, the winding mechanism of winding binding net is fixedly connected with the linear module by inside slider, the winding mechanism one side is provided with turnover mechanism, is provided with broken group mechanism, and the group straw is scooped up by flap to roller dryer main part, and flap moves together with group straw, under the extrusion effect of pressing plate, group straw is broken, to speed up the efficiency and effect of straw drying, simultaneously, group straw is not manually extruded by artificial, and the overall extrusion efficiency is improved by automatic extrusion, and pressing plate is moved to the outside of roller dryer main body when not extruding, to ensure that pressing plate cannot affect flap shovel material.

The invention relates to the technical field of activated carbon regeneration treatment, in particular to a saturated activated carbon dehydration spiral and roller drying series regeneration pretreatment process, aiming at the deep dehydration requirement before granular activated carbon multi-section furnace heat regeneration, the energy consumption and the failure rate are reduced through multi-stage collaboration and energy recovery; materials are conveyed to a regeneration head tank through hydraulic power, then free water is removed through a water removal screw, waste heat is recycled through a preheating buffer section, the materials enter roller drying equipment with double heat sources and a flow guide plate for deep dehydration, the materials are conveyed into a multi-section furnace through a sealing channel, dried water vapor is treated, condensate water is recycled, and the drying effect is guaranteed through linkage regulation and control of the double heat sources. Through series dehydration and precise regulation, the regeneration energy consumption and the equipment failure rate are greatly reduced, uneven drying of materials is avoided, and the adsorption performance of activated carbon is protected; waste heat and water resources are efficiently recycled, the material transferring quality is stable, and the energy-saving and environment-friendly effects and the industrial application value are achieved.

The present application relates to a method for producing dried rolled seaweed, which includes a sheeting step (S60) of loading raw seaweed onto a mesh belt to form a sheet, a dehydration step (S80) of removing water from the raw seaweed sheet formed in the sheeting step, a pre-drying step (S90) of primarily drying the raw seaweed sheet dehydrated in the dehydration step, and a drum-drying step (S100) of secondarily drying the raw seaweed sheet primarily dried in the pre-drying step in a drum dryer, and to dried rolled seaweed produced by the method for producing dried rolled seaweed.

The present invention relates to juçara-type açaí (Euterpe edulis) in the form of powder or flakes standardised to contain from 100 mg / 100 g to 8,000 mg / 100 g of total anthocyanins, and to a production process therefor using dehydration methods such as spray drying and drum drying, applied in the field of food technology, the supplements and nutraceuticals industry, and more specifically in the area of food product development with the aim of exploiting the nutritional and functional properties of Juçara açaí, providing a nutritious food rich in anthocyanins, with the added benefits of preserving and stabilising the bioactive antioxidant compounds without the need for refrigeration, making it versatile for use as an essential ingredient in other food products and cosmetics.

The application discloses a kind of anti-sticking wall vacuum rake dryer, comprising: equipment base frame, drum drying chamber, feeding assembly and the motion rake group of rotation installation in the inside of drum drying chamber, the top surface of equipment base frame is fixedly installed with rolling drive table, drum drying chamber includes the rolling sleeve, inner clamp cover and liquid heat cover that are sequentially sleeved, the outside of rolling sleeve is equipped with transmission gear ring, and the inside of rolling drive table is equipped with with transmission gear ring surface transmission connection drive assembly.The application, by setting new motion rake group structure, utilizes drum drying chamber and motion rake group relative reverse rotation motion, in the relative rotation flow scraper motion of inner clamp cover, rotation flow scraper does cutting magnetic induction line motion to make vortex flow in rotation flow scraper, improves the temperature of rotation flow scraper by electrothermal effect in contact material to carry out heat conduction to material inside, improves material heating uniformity, improves drying effect and avoids the phenomenon of sticking wall caused by uneven heating of material.

This invention provides a device and continuous preparation method for wet chicken manure dispersed granules. It employs a granulation mechanism combining wet core extrusion with dry powder gravity-free coating, rapidly forming a dry shell structure on the surface of the high-moisture wet core within a twin-shaft gravity-free mixer. Through closed-loop powder return control, the undersize fine powder is simultaneously used as coating material and granulation seed powder, significantly reducing the drying load and achieving material recycling. Multi-stage through-flow low-temperature drying with bed permeability as an online control index maintains a high porosity in the dispersed granule bed, enabling rapid dehydration at 40-70℃. Compared to traditional drum drying, energy consumption is reduced by 20%-30%, ammonia volatilization loss is reduced by more than 40%, and the finished granules are uniform, with a moisture content ≤30% and no agglomeration, meeting the requirements of NY / T 525-2021 standard. This achieves continuous, low-carbon, and high-quality granulation production of high-moisture wet chicken manure.

The utility model relates to the technical field of roller drying machines, and discloses a multilayer roller drying structure which comprises a roller body and a discharge port formed in the roller body, and a first drying cylinder and a second drying cylinder are coaxially arranged in the roller body; extension channels are formed between the first drying cylinder and the second drying cylinder and between the second drying cylinder and the inner side wall of the roller body respectively. A discharge port is reserved between the discharge end of the first drying cylinder and the inner end wall of the second drying cylinder, and a discharge port is reserved between the discharge end of the second drying cylinder and the inner end wall of the roller body; a first drying drum and a second drying drum are arranged in a drum body; extension channels can be formed between the first drying drum and the second drying drum and between the second drying drum and the drum body; and part of the materials can flow into the extending channel, so that the materials can be uniformly distributed in the drying channel or the roller body, and the materials can be uniformly dried.