125 results about "Fluidized bed drying" patented technology

The invention discloses material fluidization drying equipment, which is used for fluidizing and drying materials by heating gas and comprises a fluidization drying unit, a heat exchange unit, a heat exchange unit, a heat exchange unit, a heat exchange unit, a heat exchange unit and a heat exchange unit, wherein the fluidization drying unit consists of a heat-insulating layer and a plurality of material conveying pipes arranged in the heat-insulating layer; each material conveying pipe is used for feeding independently, and the to-be-dried material runs downwards and is fluidized and dried by the ascending heating gas in the descending process; and the circulating feeding unit is arranged on the periphery of the heat preservation layer and used for feeding materials to the material conveying pipe and feeding the dried materials into the material conveying pipe again, and circulating drying is formed. The invention further discloses a material fluidized drying method. According to the equipment and the method disclosed by the invention, the heated fluidizing gas is used for drying the material; materials can be circularly and repeatedly dried through the circular feeding unit; mass and heat transfer of the materials can be enhanced through the fluidized drying unit, and the drying efficiency is effectively improved.

The utility model belongs to the technical field of solid waste treatment, and particularly relates to a fly ash harmless and resourceful treatment system. The harmless and recycling treatment system for the fly ash comprises a mixing and stirring unit, a fluidized bed drying and preheating unit, a dioxin catalytic cracking unit, a washing and desalting unit, an evaporative crystallization and salt production unit and a flue gas treatment unit, the mixing and stirring unit is used for stirring and mixing fly ash, a curing agent and a catalyst according to a set proportion; a gas outlet of the dioxin catalytic cracking unit is connected with a gas inlet of the fluidized bed preheating and drying unit, a gas outlet of the fluidized bed preheating and drying unit is connected with a gas inlet of the evaporative crystallization salt-making unit, and a gas outlet of the evaporative crystallization salt-making unit is connected with a gas inlet of the flue gas treatment unit. According to the utility model, the energy consumption is greatly reduced and the cost is saved while harmless and resourceful treatment of the fly ash is realized.

The invention provides a traditional Chinese medicine granule fluidized bed drying uniformity online monitoring and improving method and device, relates to the field of traditional Chinese medicine preparation production and online quality control, and solves the technical problem of uniformity judgment deviation caused by single-bed data isolated monitoring. The method comprises the following steps: inputting secondary bed outlet particle spectral data into a spectral model to obtain a secondary bed predicted water content M2, and integrating temperature data of each bed, process parameters and the secondary bed predicted water content M2 to construct a database. And an input vector set is generated after preprocessing. And inputting the input vector set into a principal component analysis model, performing PCA dimension reduction on the input vector set, extracting main components, and inputting the main components into a Hotelling T-party monitoring model. And calculating a control limit based on multiple batches of historical qualified data, comparing the T-party statistical magnitude with the control limit to judge a drying uniformity grade, and outputting a corresponding regulation and control strategy according to the drying uniformity grade. The method is used in the production and on-line quality control process of the traditional Chinese medicine preparation.

The invention relates to the technical field of fluidized bed drying, in particular to an improved fluidized bed dryer and a drying process. The drying machine comprises a material bed and a transverse moving mechanism; the bottom of the material bed is connected with a vibration source and can ventilate and dry upwards from the bottom; the transverse moving mechanism comprises a driving part assembled at the bottom of the material bed and a plurality of transverse moving beams distributed in the conveying direction of the material bed, and the transverse moving beams are slidably installed on the material bed in the width direction of the material bed. The driving piece is used for intermittently and synchronously driving the plurality of transverse moving beams and driving the adjacent transverse moving beams to reversely slide in a reciprocating manner; a plurality of first brushes and a plurality of second brushes are detachably installed on each transverse moving beam in the length direction of the transverse moving beam. Through various auxiliary drying treatments on materials and cleaning of the bed surface, the drying uniformity and sufficiency of material finished products are guaranteed, the uniformity of material particle sizes is improved, the quality of the dried material finished products is guaranteed, and follow-up stable storage is facilitated.

The invention discloses a small multifunctional integrated drying device, and relates to the technical field of industrial drying experiment equipment. The small multifunctional integrated drying device comprises a bottom plate, a vertical supporting plate is fixedly connected to the middle of the upper surface of the bottom plate, a fluidized bed drying chamber, a spray drying chamber, a main controller, a shared centrifugal fan and a shared electric heater are fixedly installed on the front face of the vertical supporting plate, and an air filter and an induced draft fan are fixedly installed on the upper surface of the bottom plate; a cyclone dust collector is fixedly installed on the back face of the vertical supporting plate, a three-way pipe is fixedly connected to the top of the shared electric heater, a fluidized bed feeder is fixedly installed on one side of the top of the fluidized bed drying chamber, and a supporting ring, an annular base, a motor, a fixing plate and an air pressure sensor are fixedly installed on the lower portion of the inner wall of the fluidized bed drying chamber. The system can integrate the fluidized bed function and the spray drying function, and energy-saving and efficient operation is achieved through the shared air path, the heat energy recovery system and the self-cleaning distribution plate.

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 vibrated fluidized bed dryers, and provides vibrated fluidized bed drying equipment for ammonium sulfate production, which comprises an equipment shell and a fluidized bed, the fluidized bed is arranged in the equipment shell, drying components are arranged on two sides of the equipment shell, and a material distribution component is arranged between the interior of the equipment shell and the fluidized bed. The vibration assembly is arranged outside the equipment shell, the feeding cover is fixed to the top in the equipment shell, a conveying belt is arranged in the equipment shell, and a plurality of scrapers are arranged on the surface of the conveying belt. According to the technical scheme, the problems that in the related technology, when to-be-dried ammonium sulfate is continuously added into the vibrated fluidized bed dryer, the ammonium sulfate is prone to being accumulated on the top of a fluidized bed, materials are accumulated, finally, the ammonium sulfate cannot be evenly heated, water in the ammonium sulfate deviates, and the drying effect and the production quality of the materials are reduced are solved.

The application discloses a kind of compound fertilizer with nitrogen fertilizer slow-release and biocontrol function and preparation method, it is related to microbial compound fertilizer field, including the following components: nitrogen source carrier, physical net trapping material, 3,4-dimethyl pyrazole phosphate, biocontrol component, binder.A kind of preparation method, including the following steps: after silanization modification treatment is carried out to attapulgite, with polyglutamic acid aqueous solution mixed reaction, obtain self-assembly gel;Bacillus subtilis is embedded and handled, rhamnolipid is pre-emulsified, chitosan oligosaccharide is crosslinked with boric acid treatment, and is blended;Nitrogen source carrier is heated to melt, add self-assembly gel, mix evenly;Temperature control, add 3,4-dimethyl pyrazole phosphate, and keep warm reaction;Cooling, add the blend obtained in step S200, binder, mix evenly;Extrusion granulation, after fluidized bed drying, slow-release coating is carried out, and the target compound fertilizer is obtained.The application makes disease control efficiency to improve to 89.2%, and blocks nitrosomonas AMO enzyme activity for 120 days.

The utility model discloses a refining device and a refining system for ultra-clean polypropylene. The refining device comprises a slurry premixing tank, a washing container, a centrifugal filter, a solvent recovery tower, a reflux tank, a fluidized bed dryer and a gas-liquid separator. According to the device, materials and energy are fully recycled, ash such as metal substances and oligomer entrained by polypropylene powder can be effectively reduced, and even electrical-grade polypropylene can be obtained. According to the utility model, on the premise of obtaining a refined polypropylene product, environment-friendly, low-consumption and stable long-period operation can be realized.

The invention provides an arrangement for reducing static charge in a fluid bed dryer. The arrangement includes a hollow cylinder having an inner surface and an outer surface. The inner surface has a plurality of slotted projections formed radially at equal intervals along the axis of the hollow cylinder. The outer surface has an ionizing apparatus mounted on each of the slotted projections through a retention means. The arrangement further includes a pair of coupling means at both ends of the hollow cylinder for coupling the arrangement to the hot air supply duct of the fluid bed dryer. On applying a voltage, the ionizing apparatus, generate positive and negative ions into the hollow cylinder. The generated positive and negative ions are carried by the hot air to the sample drying unit of the fluid bed dryer for neutralizing the static charge generated during the drying of the sample.

The application discloses a spray drying micro-capsule granulation system and method with an internal fluidized bed, and relates to the technical field of micro-capsule spray granulation. The system comprises a granulation tower, an internal fluidized bed, a first detection unit, a state sensing unit, an external fluidized bed, a second detection unit, a numerical simulation unit and a control unit. The primary particles generated by the internal fluidized bed drying granulation tower form a semi-finished product, and the semi-finished product is dried by the external fluidized bed to obtain a finished product. The numerical model unit creates and updates a first-order numerical model of the internal fluidized bed and a second-order numerical model of the external fluidized bed. The control unit evaluates the credibility of the humidity of the semi-finished product through the first-order numerical model, adjusts the operation parameters of the external fluidized bed through the second-order numerical model, and updates the first-order numerical model based on the updated second-order numerical model after updating the second-order numerical model through the humidity of the finished product. The two-stage drying is realized in a cooperative and adaptive control mode, and the product quality stability and system robustness are effectively improved.

The invention provides a yang-warming, turbidity-clearing and weight-reducing composition and a preparation method thereof, and relates to the field of weight-reducing compositions. The traditional Chinese medicine composition comprises the following raw materials in parts by weight: 5-25 parts of unprocessed radix aconiti lateralis, 30-70 parts of gypsum, 10-25 parts of rhizoma anemarrhenae, 10-20 parts of cassia twig, 8-20 parts of honey-fried licorice root, 5-15 parts of glutinous rice, 20-30 parts of semen coicis, 10-20 parts of poria cocos and 5-20 parts of rhizoma atractylodis macrocephalae. The preparation method comprises the following steps: S1, slicing unprocessed radix aconiti carmichaeli, steaming for 8 hours with high-pressure steam at 120 DEG C, drying at 60 DEG C until the water content is less than 8%, crushing, and sieving with a 100-mesh sieve S2, drying gypsum, rhizoma anemarrhenae, cassia twig and honey-fried licorice root at 70-80 DEG C, crushing and sieving with a 100-mesh sieve; s3, adding 9-10 times of water into the glutinous rice, boiling until the glutinous rice is gelatinized, and filtering to obtain a colloid mixture; and S4, uniformly mixing the medicinal powder obtained in the step S2 with the colloid mixture according to a ratio of 1: 0.3, granulating with a 18-mesh sieve, and drying with a fluidized bed at 45-50 DEG C until the water content is less than or equal to 5% to obtain the composition. According to the composition provided by the invention, the gypsum and the rhizoma anemarrhenae clear stomach heat and inhibit appetite, and the radix aconiti carmichaeli and the cassia twig warm kidney yang to improve the basal metabolic rate, so that the disruption is reduced and the deficiency is reduced.

The utility model discloses a material distributing device of a food-grade fixed fluidized bed, which comprises a material distributing device main body, a feeding channel is arranged at the top end of the material distributing device main body, a discharging channel is arranged at the bottom end of the material distributing device main body, an impeller material distributing valve is arranged in the material distributing device main body, and the impeller material distributing valve comprises a material distributing rotor and an impeller arranged on the material distributing rotor. A driving device is arranged on the outer side of the distributing rotor. On the premise of an original fixed fluidized bed drying system, the high-speed rotating impeller distributing valve is additionally arranged at the feeding end, downward air generated by high-speed operation of an impeller of the impeller distributing valve is mixed with materials and then enters the fixed fluidized bed, the materials are prevented from being blocked in a concentrated mode, the air distributing plate is prevented from being blocked, the production process is optimized, and the operation efficiency is improved.

This invention discloses a smart responsive flame-retardant polypropylene foamed beads, its preparation method, and its application, specifically relating to the field of flame-retardant polymer foam materials technology. The preparation method includes firstly, co-extruding a skin melt and a core melt into a composite die to form a core-skin structure melt strip with the core melt as the core and the skin melt as the skin. The core-skin structure melt strip is then pelletized to obtain composite PP substrate microparticles. These microparticles are then placed in an EPP autoclave foaming equipment, where they undergo impregnation and stirring, programmed pressure relief, crushing, centrifugal drying, and fluidized bed drying to obtain composite EPP foamed beads. This invention, through the synergistic design of core-skin functional partitioning and smart responsive components, transforms the traditional passive and dispersed flame-retardant mode into an active and centralized high-efficiency barrier mode, achieving intelligent and efficient flame retardancy.

The utility model discloses an anti-residue fluidized bed drying device which comprises a machine body shell, a material storage groove formed in the upper side of the machine body shell, a discharging plate arranged on the right side of the machine body shell, a collecting bin arranged on the right side of the discharging plate, and a discharging barrel installed on the left side of the material storage groove, and a first driving motor is arranged on the rear side of the discharging barrel, a discharging opening is formed in the lower end of the discharging barrel, and a breathable conveying belt is arranged at the lower end of the discharging opening. According to the anti-residue fluidized bed drying equipment, bearing parts can be conveniently cleaned in real time in the using process, so that materials are not prone to adhering to and remaining on the surfaces of the bearing parts in the drying process, the bearing parts are prevented from being corroded and influenced by the materials, the service life of the equipment is guaranteed, meanwhile, the materials are conveniently and evenly injected in the using process of the equipment, and the service life of the equipment is prolonged. And the materials can be easily and evenly laid on the surface of the bearing part, the drying effect of the device is improved, and the better using effect is achieved.

The present invention provides a process for preparing agglomerated excipient particles with improved tabletability, the process comprising the steps of: a) feeding at least one excipient in particulate form and a binder liquid into a continuous mixing granulator (1); b) processing the at least one excipient and the binder liquid in the continuous mixing granulator (1) to produce agglomerated excipient particles; and c) drying the agglomerating excipient particles, preferably in a fluidized bed dryer (104); wherein the method preferably comprises at least one particle reshaping step comprising reshaping the agglomerated excipient particles downstream of the continuous mixing granulator (1) before and / or after the drying step to form reshaped agglomerated excipient particles. The invention also provides the use of the agglomerated excipient particles in a tabletting process, as well as a system for preparing the agglomerated excipient particles.

This invention relates to the field of chemical experimental equipment technology and discloses a multi-process integrated chemical drying experimental device, including a device frame. A vortex air pump is fixedly connected to the inner bottom frame of the device frame. An electric heater is fixedly connected to the output end of the vortex air pump. The output end of the electric heater is fixedly connected to a spray drying tower, a fluidized bed drying tower, and a vibrating fluidized bed dryer through a multi-way switching valve. Cyclone separators are fixedly connected to the exhaust ends of the spray drying tower, the fluidized bed drying tower, and the vibrating fluidized bed dryer. A hopper is fixedly connected to the upper surface of the device frame. A near-infrared online moisture meter is fixedly connected inside the device frame. A near-infrared online moisture display is fixedly connected to the outer surface of the near-infrared online moisture meter. The multi-way switching valve enables independent supply of hot air to each drying device, which can be adapted to the drying experimental needs of different powder / granular materials such as polyvinyl chloride resin powder and Shuanghuanglian granules.

The utility model relates to feed inlet cleaning technical field discloses a fluidized bed dryer feed inlet cleaning structure, including fluidized bed dryer body, the fluidized bed dryer body top fixedly connected with support plate, the support plate top fixedly connected with feed inlet body, the support plate inside is provided with cleaning assembly, the cleaning assembly includes gear ring, transmission gear and driving gear, the gear ring the transmission gear with the driving gear all rotationally connected in the support plate inside, the gear ring with the transmission gear interlock, the transmission gear with the driving gear interlock. Through motor drive driving gear rotation, through transmission gear drive gear ring rotation, make the scraper inside gear ring adhesion feed inlet body inner wall rotation, can effectively clean the material of feed inlet inner wall adhesion, reduce material residue, keep the feed inlet unobstructed, reduce artificial cleaning cost, promote cleaning efficiency.

Provided is a method for producing hydroxypropyl methylcellulose acetate succinate by which particle density increment is suppressed and dissolution time is shortened. The method for producing hydroxypropyl methylcellulose acetate succinate essentially includes a liquid removal step, a first drying step, and a second drying step, wherein the first drying step involves drying of hydroxypropyl methylcellulose acetate succinate using a fluid-bed dryer until it reaches a water content of 30% by mass while maintaining the product temperature at 28° C. or lower.

The invention relates to the technical field of lithium battery raw material processing, in particular to a fine crushing device and process for a lithium manganese iron phosphate material. The fine crushing device comprises an airflow crushing machine body, and a grading assembly is arranged at the top end in the airflow crushing machine body; the sanding machine body is positioned on one side of the airflow crushing machine body; the fluidized bed drying and coating machine body is positioned on one side of the sanding machine body; the opening and closing assembly comprises an annular pipe arranged on the outer side of the jet mill body in a sleeving mode and adjusting bases evenly arranged above the annular pipe at intervals in the circumferential direction of the outer wall of the jet mill body. The adjusting assembly comprises an annular plate arranged on the outer side of the airflow smashing machine body in a sleeving mode and sliding blocks fixedly arranged at the front end and the rear end of the inner wall of the annular plate. The fine crushing device for the lithium manganese iron phosphate material can be used for inspecting a high-pressure airflow pipe, reducing the pressure of an air source, reducing the temperature of a grinding space, avoiding manganese oxidation, synchronously completing drying and coating of lithium manganese iron phosphate, and avoiding secondary agglomeration.

The invention provides a staged self-adaptive control method for a drying process of a polyvinyl chloride fluidized bed, and relates to the technical field of polyvinyl chloride chemical production process control. Wherein in the constant-speed drying stage, model reference adaptive control (MRAC) is adopted, and the hot air temperature is dynamically adjusted to stabilize the drying rate; model predictive control (MPC) is adopted in the speed reduction drying stage, and accurate water content regulation and control and energy consumption optimization are achieved through predictive optimization. According to the invention, the influence of water content fluctuation of fed materials and hot air temperature interference in the PVC drying process can be effectively resisted, so that the water content of PVC is stably reduced, and the fluctuation of the water content in the drying process is reduced.

The invention relates to the field of rubber, in particular to a rubber composition and a preparation method thereof. The preparation method of the rubber composition comprises the following steps: mixing the reinforcing material and water to obtain a mixed solution; mixing the mixed solution with a latex solution to obtain a mixture; and feeding the mixture to a spray fluidized bed dryer for spray drying to obtain the rubber composition, the latex solution comprises a natural rubber solution, a polybutadiene emulsion, a polyisoprene emulsion and a styrene butadiene rubber emulsion. The preparation method of the rubber composition is low in energy consumption and environmentally friendly, the filler and the auxiliaries in the obtained rubber composition are evenly dispersed, and meanwhile the rubber composition has the advantages of being good in mechanical property, high in wear resistance, high in wet grip performance, low in rolling resistance, high in safety and low in cost.

This utility model discloses an industrial wastewater sludge metal recovery device, including a fluidized bed drying box. Support rods are symmetrically distributed on the side wall of the fluidized bed drying box, and a screening and purification box is located below the fluidized bed drying box, inside the support rods. A feeding port is located on one side of the upper end of the fluidized bed drying box. The fluidized bed drying box and the screening and purification box are connected by a discharge pipe. A drying and dehumidification mechanism and a purification mechanism are respectively provided inside the fluidized bed drying box and the purification mechanism. The drying and dehumidification mechanism includes a permeable conveyor belt and a turning assembly located on the inner wall of the fluidized bed drying box. The turning assembly is located inside the permeable conveyor belt, and air inlets are evenly distributed on the side wall of the fluidized bed drying box on one side of the permeable conveyor belt. The purification mechanism consists of a sliding rod, a supporting slider, and a screen bucket. This utility model belongs to the field of wastewater sludge treatment technology, specifically an industrial wastewater sludge metal recovery device.

The application provides a production process of a microencapsulated shrimp feed for the post-larva stage, which realizes uniform proportioning of raw materials through ingredient mixing and secondary mixing, completes fine processing of the raw materials through a segmented type of crushing, forms granules at normal temperature and pressure through wet granulation, controls the moisture content of the materials through fluidized bed drying, completes fat spraying and coating processing through fluidized bed treatment, accurately selects qualified granules through detection and screening, maintains a low-oxygen state inside the package through sealing and packaging, and improves the hygiene and safety of the feed through irradiation sterilization. Each process cooperates with each other, can stably output feed granules with a particle size D90 of less than 130 mu m, effectively adds and retains heat-sensitive nutrients, guarantees the balanced nutrition of the product, improves the water stability of the feed through coating treatment, is not easy to cause water mixing when put into water, can improve the water breeding environment, and reduces feed waste. The process can realize batch production to meet the use demand of the market, and provides technical support and reference basis for the production of the post-larva stage feed.

The invention discloses a fluidized bed drying system and method for cigarette blast beads, and the fluidized bed drying system for the cigarette blast beads comprises a fluidized bed drying device, a fluidized drying ultraviolet light odor degradation device, a closed-loop total heat recycling heat pump and a fan, a top outlet of the fluidized bed drying device is connected with an inlet of the fluidized drying ultraviolet light smell degradation device through a pipeline, and an outlet of the fluidized drying ultraviolet light smell degradation device is connected with an inlet of the closed-loop total heat recycling heat pump through a pipeline and a fan. And an outlet of the closed-loop total heat recycling heat pump is connected with a lower inlet of the fluidized bed drying device through a pipeline. According to the invention, the cigarette blast beads can be dried, the drying efficiency is improved, the energy consumption is reduced, the adverse effect of the smell of the cigarette blast beads on the environment is reduced, and the environmental load is reduced.

The present application relates to a method for extracting lipids from microorganisms, comprising the steps of: (a) preparing a microbial fermentation solution containing lipids; (b) fluidized-bed drying the microbial fermentation solution of step (a) so as to form microbial granules; and (c) press-extracting the microbial granules of step (b), wherein a solvent is not used during lipid extraction.

According to the fluidized bed drying machine with the self-cleaning structure, a moving seat is rotationally provided with a moving pipe inserted into a discharging box, the outer wall of the moving pipe is provided with a brush, the moving pipe is provided with a plurality of air suction holes, the outer side of the moving seat is provided with a motor, the output end of the motor is provided with a fluted disc, and the fluted disc is provided with a plurality of air suction holes. The outer end of the moving pipe penetrates through the moving seat, a gear ring meshed with the fluted disc is fixedly arranged at the outer end of the moving pipe, when the motor is started, the fluted disc rotates to drive the gear ring, then the moving pipe rotates on the moving seat, in the rotating process of the moving pipe, the brush can clean the inner wall of the discharging box, and along with movement of the moving seat, the inner wall of the discharging box can be cleaned. And the interior of the discharging box can be cleaned more thoroughly, normal feeding and discharging of equipment can be guaranteed, and cross contamination of materials is avoided.

The invention belongs to the field of laboratory drying equipment, and particularly relates to laboratory medium-temperature vibrated fluidized bed drying equipment which comprises a fluidized bed box body and a distribution plate net, and is characterized in that the bottom of one side of a supporting bottom frame is connected with a lifting mechanism, and the other side of the supporting bottom frame is connected with a foundation through a hinge; the two vibration motors are arranged side by side in the material flowing direction, the rotating directions of the two vibration motors are opposite, the vibration directions of the vibration motors are perpendicular, and the vibration angle is 90 + / -0.5 degrees. The invention has the following beneficial effects: (1) the structure is innovated, and (1) the distribution plate net vertically vibrates at an angle of 90 + / -0.5 degrees, so that materials are uniformly distributed, the uniformity is improved by 40%, and the hot air penetration rate is increased by 50%; (2) the fluidized bed box body is subjected to closed-loop control at an inclination angle of 3 degrees, so that zero-residue discharge is realized; and (3) the temperature control precision is + / -2 DEG C through the micro hot blast stove and PID control, and compared with the control precision of + / -10 DEG C of traditional drying equipment, remarkable progress is achieved.

The utility model relates to the technical field of drying technology, and discloses a temperature control type fluidized bed dryer with an anti-blocking function, which comprises a dryer body, supporting legs are fixedly connected to the bottom of the dryer body, a discharging pipe is fixedly connected to the bottom of the dryer body, and an anti-blocking discharging mechanism is arranged at the top of the dryer body. In the using process, a first motor works and is matched with a first baffle, raw materials are conveniently discharged in batches, the situation that the drying efficiency is reduced due to blockage and the like caused by excessive discharging is avoided, a second motor works and is matched with a first spring, the raw material drying process is more thorough, and the drying efficiency is improved. The inner wall of the machine body is cleaned while the using efficiency is improved, the situation that next drying is affected by residues is avoided, the angle of a second baffle is conveniently fixed by rotating a handle and cooperating with a second spring, and therefore the amount of gas entering the machine body is controlled, different raw materials can be conveniently machined, and the applicability is improved.

The utility model relates to the field of pesticide powder drying, and discloses a vibration type fluidized bed dryer with a dust collection function, which comprises a vibration dryer, a limiting part is arranged on the edge of the top of the vibration dryer, a filtering part is arranged in the top end of the limiting part in a sliding manner, and a dust removal part is arranged in the limiting part; the limiting part comprises a supporting frame, a dust removal shell is fixedly connected to the top of the supporting frame, a conveying pipe is arranged in the center of the side face of the dust removal shell, and limiting holes are symmetrically formed in the outer surfaces of the upper portions of the supporting frame and the dust removal shell; the limiting component, the dust removal component and the filtering component are arranged on one side of the top of the vibration dryer, hot airflow discharged by the vibration type fluidized bed dryer can be preliminarily filtered, and therefore the filtering pressure of the bag-type dust remover is reduced, the dust removal period of the bag-type dust remover is shortened, the dust removal efficiency is guaranteed, and environment pollution is avoided.