46results about "Grains drying" patented technology

The embodiment of the present application provides a temperature adjusting method, a temperature adjusting system, a dryer and a controller for multiple dryers. Each dryer comprises a temperature adjusting mechanism, each temperature adjusting mechanism comprises a hot air door, the multiple dryers use a same heat source, and the temperature adjusting method comprises the following steps: determining a target drying temperature interval of a to-be-dried object in each dryer; in the process of starting the heat source to supply heat to the multiple dryers, acquiring the inlet temperature and the current drying temperature of the hot air door of each dryer in real time, so as to control the temperature adjusting mechanism to adjust the opening degree of the hot air door of each dryer, so that the current drying temperature is in the target drying temperature interval. The hot air is generated by the heat source, and the drying temperature required, the temperature after heat energy loss and the current drying temperature are used to realize accurate temperature control for each dryer. Therefore, heat energy is fully utilized, and the temperature adjusting method of one heat source corresponding to multiple dryers is realized.

The invention relates to a rice husking machine which comprises a rice husking bin and a drying system. The drying system comprises an air duct structure, a fan and a drying adsorption part. An airflow channel is arranged in the air duct structure and provided with an air inlet end and an air outlet end which are spaced from each other. The fan communicates with the airflow channel and is configured to drive airflow to flow from the air inlet end to the air outlet end. The drying adsorption part is arranged in the airflow channel. The air duct structure has a drying state and a regeneration state which can be switched mutually. In the dry state, the air inlet end and the air outlet end are both communicated with the rice milling bin. In the regeneration state, the air outlet end is communicated with the outside of the rice mill. According to the rice husking machine, under the dry state, the fan can drive the airflow to circulate in the rice husking bin, so that the humidity in the rice husking bin is reduced. In the regeneration state, the fan can drive the airflow to be blown out of the rice milling machine to form external circulation, so that moisture adsorbed by the drying adsorption part is discharged out of the rice milling bin, regeneration of the drying adsorption part is achieved, and frequent replacement by a user is not needed.

The invention discloses grain drying and dust removing integrated equipment which comprises a drying and dust removing box, a feeding pipe is arranged at the position of a center shaft in the drying and dust removing box, the grain drying and dust removing integrated equipment further comprises a feeding mechanism, and the feeding mechanism is used for conveying grain at the bottom in the drying and dust removing box to the top in the drying and dust removing box along the feeding pipe. A spiral guide plate is arranged between the outer wall of the feeding pipe and the inner wall of the drying dust removal box, grain conveyed to the top in the drying dust removal box can fall onto the spiral guide plate and spirally flow from top to bottom along the spiral guide plate, the lower end of the side wall of the spiral guide plate communicates with a hot air supply device, and the hot air supply device is used for providing hot air for the interior of the drying dust removal box. Due to the fact that the grains are in a dispersed state in the process of spirally flowing from top to bottom along the spiral guide plate, and meanwhile, the flowing path of the grains in the drying dust removal box is long, and the retention time of the grains in the drying dust removal box is long, the drying dust removal efficiency of the grains is high, and meanwhile the drying dust removal effect is good.

The invention discloses a batch type grain drying machine for grain suspension drying through airflow expansion, and relates to the technical field, the batch type grain drying machine comprises a drying tower and a heating and drying section, the heating and drying section is located in the drying tower, and air inlet angular boxes and air outlet angular boxes are sequentially distributed in the heating and drying section from top to bottom in an array staggered mode; hot air assemblies communicating with the air inlet angular boxes and exhaust assemblies communicating with the air outlet angular boxes are installed on the two sides of the drying tower correspondingly, the turbulent flow ventilation assemblies are elastically installed on the two sides of the inner wall of the heating and drying section, and the turbulent flow ventilation assemblies and the air inlet angular boxes on the edges are matched to form side edge discharging channels; the drying tower is provided with a plurality of exhaust grooves sealed by the turbulent flow ventilation assembly. The air inlet angular boxes and the air outlet angular boxes which are distributed in a staggered mode are arranged for feeding and discharging air flow and dispersing falling grains, the mixed flowing air flow enables the grains to be evenly dried, when the falling grains are large in quantity, the air exhaust grooves are forced to be opened, and the drying efficiency during synchronous drying of a large number of grains is improved.

Disclosed in the present application are a surrounding hot air slow-drying apparatus for pet food processing and a three-stage baking method. The surrounding hot air slow-drying apparatus for pet food processing comprises a drying oven (1), wherein a hot air drying unit is mounted at the inner bottom of the drying oven (1), a circulating conveying unit (2) is mounted in the drying oven (1), a plurality of drying frames (3) are uniformly distributed on the circulating conveying unit (2), material turning mechanisms are respectively provided in the drying frames (3), a positioning assembly (7) is mounted in the drying oven (1), and the material turning mechanisms cooperate with the positioning assembly (7) to turn over raw materials in the drying frames (3). By means of material turning plates (501) moving in the drying frames (3), food particles on the drying frames (3) are turned over; at the same time, arc-shaped plates (503) cooperate with second fixing plates (504) to scatter the food particles in an S-shaped path, avoiding damage to the food particles and realizing the replacement of the surfaces of the food particles in contact with hot air, and thus improving the yield of qualified pet food and improving a drying effect. By means of a three-stage baking process, the starch gelatinization degree of baked pet food can be increased to 90% or more, which is conducive to digestion and absorption.

The invention relates to a process and apparatus for ultrasonic assisted drying of materials, in particular, but not exclusively, for the low temperature drying of materials that are heat sensitive. In particular, there is provided an apparatus for dehydration of water containing material comprising: an ultrasound emitter; an ultrasound transmission platform that directly or indirectly supports said material; a fluid retained between said emitter and said platform, through which ultrasound energy is transferred; and a gas stream device that directs drying gas to said material. There is also provided a method of dehydration of water containing material comprising locating the material either directly or indirectly on an ultrasound transmission platform of a dehydration apparatus that comprises: an ultrasound emitter; a fluid retained between said emitter and said platform, through which ultrasound energy is transferred; and a gas stream device that directs drying gas to said material; and exposing said material to ultrasound energy and drying gas flow for a time and under conditions suitable to achieve desired extent of dehydration of said material. In another aspect there is provided a material that has been dehydrated using the method or apparatus described above.

The invention relates to a microwave heating mixing device, and belongs to the technical field of drying equipment. Comprising a base and a material mixing assembly, and a supporting frame is arranged between the material mixing assembly and the base for supporting; a fixing pipe is arranged on the supporting frame, and the material mixing assembly performs circumferential rotation by arranging a driving assembly; the material mixing assembly comprises a microwave mixing bin and a feeding port, a material control assembly matched with the feeding port is arranged on the material mixing assembly, and the material control assembly blocks the feeding port; a microwave device generating assembly for performing microwave heating on the interior of the material mixing assembly is arranged on the supporting frame, and a wave-transparent window matched with the microwave device generating assembly is arranged on the microwave mixing bin. According to the microwave heating and mixing device provided by the invention, the mixing assembly is driven by the motor to rotate forwards and backwards, so that grains are uniformly heated, and local overheating is avoided. By adopting the design of the flexible bin and the flow guide edges, grain damage is reduced, and the physical state is kept complete. A temperature sensor is arranged to monitor and control the heating temperature in real time, so that the grain quality is ensured.

The invention relates to a drying quantity detection device of a grain dryer, which is used for solving the technical problem that a weighing sensor is easily influenced by high temperature to influence measurement and damage the sensor. Three lever mechanisms are evenly distributed on each stock bin in the circumferential direction, each lever mechanism comprises a lever and a supporting base, the middle of each lever is hinged to the corresponding supporting base, the lower end of each supporting base is fixed relative to the fixed rack, the levers are arranged in the radial direction of the corresponding stock bins, and the front ends of the levers extend to the positions below the corresponding stock bins so that the lower ends of the stock bins can press the front ends of the levers. The rear end of the lever extends in the direction away from the stock bin. The weighing sensors and the levers are arranged in a one-to-one correspondence mode, the lower ends of the weighing sensors abut against the upper portions of the rear ends of the levers in a matched mode, and the upper ends of the weighing sensors are installed on a fixed rack. When the levers are in the horizontal state, the lower end of the stock bin and the lower ends of the weighing sensors make contact with the levers respectively, and force is transmitted to the three corresponding weighing sensors through the three corresponding levers so that the grain weight can be calculated.

The invention discloses a drum type corn kernel rapid dehydration device which comprises a first support, a second support, a drum, a first motor and a second motor, the first support is arranged at one end of the drum in a supporting mode, the second support is arranged at the other end of the drum in a supporting mode, and the first motor is arranged on the first support and is in transmission connection with the drum. The second motor is arranged on the second support and is in transmission connection with the rotary drum, a plurality of heating plates are arranged on the inner wall of the rotary drum at intervals in the axial direction, a supporting disc is arranged on the first support, one end of the rotary drum is in sliding connection with the supporting disc, and a first conducting ring and a second conducting ring are further arranged in the supporting disc. The resistance plate is in sliding connection with the first conducting ring and the second conducting ring through the first conducting column and the second conducting column respectively. The first motor and the second motor drive the rotary drum to turn over and swing, and the interior of the rotary drum is heated through the electric heating plate, so that corn kernels can be uniformly heated and dried, the drying time is effectively shortened, and the drying and dewatering efficiency of the corn kernels is improved.

An improved mixed flow grain dryer is presented having a grain column with upper, middle and lower drying sections. The system includes a set of plenums and ducts configured to move air through the middle and lower drying sections at one or more lower temperatures, recover the air moved through the middle and lower drying sections, and move the recovered air through the upper drying section at a higher temperature. The system is configured to move grain through the upper drying section, then through the middle drying section, then through the lower drying section, while also: moving air of one or more lower temperatures through lower drying section and middle drying section, combining air moved through lower drying section and middle drying section, and moving the combined air through the upper drying section at a higher temperature.

The invention is applicable to the technical field of agricultural product processing, and provides cleaning and drying equipment for agricultural product processing, which comprises a connecting frame, and a pretreatment mechanism is arranged on the outer side of the connecting frame; the pretreatment mechanism comprises a motor, a transmission plate, a transmission wheel, a transmission belt, a transmission rod, a fixed plate, a sleeve, a connecting piece, a fixed rod, a first magnet, a second magnet, a buffer plate, a reset spring, a closing plate and a connecting rod; according to the agricultural product screening device, primary cleaning is conducted on materials entering the feeding hopper through the adjustable screen, the agricultural product screening device can adapt to agricultural products with different particle sizes, and large-particle impurities are effectively screened out; the winnower is matched with the conveying pipeline to evenly feed the materials into the pipeline, hot air drying of the hot air blower and air suction cleaning of the impurity suction fan are combined, secondary hot air cleaning is achieved, the impurity separation efficiency is improved, the materials are dried in advance through hot air, loads are relieved for follow-up drying, impurities are prevented from being mixed, and the drying quality is prevented from being affected. And the synergistic effect of cleaning and pre-drying is obviously optimized.

The invention relates to a grain dryer. Comprising a drying cylinder, a center cylinder and a spiral discharging plate, a hot air generating device blows hot air to the drying cylinder in the direction from left to right, first air holes are evenly distributed in the cylinder wall of the drying cylinder, the center cylinder and the drying cylinder are coaxial, second air holes are evenly distributed in the cylinder wall of the center cylinder, and the spiral discharging plate is arranged in an annular space between the drying cylinder and the center cylinder. Third air holes are formed in the spiral discharging plate, the spiral discharging plate comprises multiple circles of discharging plate units, the vertical projection of each circle of discharging plate unit is a circular ring, each circle of discharging plate unit comprises a left half ring and a right half ring which are connected through a flexible metal plate, and the right half rings are fixedly connected with the drying cylinder and the center cylinder correspondingly; the left half ring is in sliding fit with the drying cylinder and the center cylinder, a supporting part is arranged on the inner wall of the left side of the drying cylinder and matched with the lower surface of the left half ring in an abutting mode through an elastic buffering column, a vibration exciter is further installed on the lower surface of the left half ring, and the lead angle of the right half ring is larger than that of the left half ring.

The application discloses a grain drying section with variable air flow, a drying device and a working method, and solves the problem that the air flow mode in the grain drying section in the prior art is fixed and cannot be adjusted, and has the beneficial effect that the air flow mode of the drying section can be adjusted, and the specific scheme is as follows: a grain drying section with variable air flow, which comprises a support frame, at least two layers of drying angle boxes are supported in the support frame, both ends of the drying angle boxes are communicated with the outside through the support frame, the part of the drying angle boxes in the support frame is provided with a ventilation opening, a wind adjusting component is supported on the outer side of the support frame at the position where the drying angle box is communicated with the outside, the wind adjusting component is located on the air inlet side and the air outlet side of the drying angle box, the wind adjusting component is movable relative to the support frame, the wind adjusting component is provided with at least two layers of communication openings, and in the process that the wind adjusting component moves relative to the support frame, the communication openings of one layer can be communicated with the drying angle box, so that the flow path of the hot air entering the support frame is changed.

The invention discloses a universal box type dryer and a drying method. The dryer comprises a pipe chain machine system, a grain feeding system, a grain unloading system, a chassis system, a drying chamber mechanism, a telescopic mechanism, a control system and a drying system. The pipe chain machine system is arranged in the drying machine and used for conveying grain and oil materials, and the grain and oil materials enter the pipe chain machine system through the grain feeding system and are conveyed to the drying chamber mechanism to be dried; the drying chamber mechanism comprises a plurality of drying chambers, the drying chambers are connected through telescopic mechanisms, and telescopic nesting of the drying chambers is controlled for regulating and controlling the length of the drying machine; the drying system is used for transmitting heat to dry grain and oil materials; the chassis system is arranged below the drying chamber mechanism and is used for moving and lifting the dryer; the grain unloading system is used for outputting dried grain and oil materials, and the control system is used for controlling starting and stopping of the dryer and data monitoring. The movable telescopic box type dryer is simple in structure and convenient to operate, and the problems that the machine body size is limited, transportation is difficult, and the breakage rate is high can be solved.

The invention discloses a circulating type grain drying and impurity removing integrated system, and relates to the technical field of grain drying, the circulating type grain drying and impurity removing integrated system comprises a closed drying tower and a pulse dust collector connected with the drying tower and a hot blast stove, and an impeller, a receiving hopper, a collecting hopper, an air guide pipe and a receiving hopper are arranged in the drying tower. When the grain drying device works, the hot blast stove heats air, the draught fan accelerates the hot air and sends the hot air into the drying tower, grains freely fall in the drying tower, the impeller on the top of the inner side of the drying tower works, air on the top of the drying tower is blown to move downwards, raised dust is prevented from moving upwards, the hot air blows the grains, the grains are dried, and impurities in the grains are taken away. After working, hot air enters the pulse dust collector, the pulse dust collector filters out impurities in the hot air and sends the hot air back to the hot blast stove, the hot blast stove heats the air again, water in the air is evaporated, the heated air is dried again, an ash room of a conventional device is not needed, and heat of the air can be recycled.

The present application relates to the technical field of grain drying, and specifically discloses a kind of agricultural product grain rapid drying equipment and method, including multilayer tower body, the surface of tower body is equipped with hot air system for drying grain in the inside of tower body, the inside of each layer of tower body is equipped with multilayer drying chamber, the inside of drying chamber is equipped with multiple groups of angular tube, the lower end of drying chamber is equipped with detection assembly for detecting the moisture content of grain in the inside of drying chamber;The present application is equipped with sampling outer tube, sealing half pipe and protection tube, detection probe is located in the inside of sampling outer tube and sealing half pipe in non-detection state, to prevent high temperature from affecting service life and detection accuracy, detection probe is located in the inside of protection tube in sampling state, also prevent high temperature from affecting service life and detection accuracy, grain enters the inside of sampling outer tube and sealing half pipe for static detection, ensure the moisture content detection accuracy of grain, then cooperate with hot air system, to ensure better drying effect.

The invention discloses mixed type rice drying equipment, and belongs to the technical field of rice processing, the mixed type rice drying equipment comprises a tower body part, the exterior of the tower body part is connected with a material lifting part, the exterior of the tower body part is provided with a heat energy supply part, and a screening and material guiding part is connected between the top of the material lifting part and the top of the tower body part; and a drying part is arranged in the tower body part. The screening and guiding part is connected between the elevator and the top end of the tower body to guide and convey rice, in the conveying process, impurities in straw in the rice can be removed through cooperation of dried wake flow, small gravel mixed into the rice can be screened, vibrated and separated, entering of impurities is effectively controlled, and the quality of the rice is improved. Meanwhile, the wake flow drives the vibration screening part to improve the energy utilization rate, the buffer part is arranged in the tower body and close to the upper portion, the buffer part can block the top of the tower body under the condition that rice is insufficient, and waste caused by heat energy overflowing from the upper portion is reduced.

The invention relates to a ventilation column (100) for grain, comprising: - a cylindrical main body (10) comprising a proximal end configured to be connected to a fan (50) and a distal end opposite the proximal end configured to be connected to a base (30); - a base (30) intended to be covered by a pile of grain and comprising a proximal end connected to the distal end of the main body (10) and a distal end opposite the proximal end; - the base (30) comprising an array of radially arranged recesses (31), each recess having an equivalent diameter. The invention is essentially characterised in that: - the recesses (31_1, 31_2, 31_3) in the base (30) exhibit a gradient having an equivalent diameter that decreases from the distal end of the base (30) to the proximal end of the base (30).

In some embodiments, a grain drying apparatus may include a drum with a grain auger including a flighting with air holes. The drum may be surrounded by an outer drum, the inner drum including a plurality of drum air holes. A volume of dehydrated air may pass around a helical air diverter, located in an annulus between the inner drum and the outer drum, and through the grain, thereby drying the grain.

A dryer for drying particles is provided that includes first and second circular plates mounted horizontally for rotation about an axis (Z), the surface of the plates being perforated and permeable to fluids, unit for blowing hot gas as a flow substantially parallel to the axis (Z) passing through the second plate before passing through the first plate, first and second units for distributing the particles and first and second units for recovering the particles after a rotation of each plate, a unit for transferring the harvested particles from the first plate (1a) to the second plate, a processor controlling the rotational speeds of the plates (ωa, ωb) and the supply flow rate (dma / dt) of particles on the basis of an output control loop. The output control loop being based a measurement of the final moisture content (H1b) of the particles measured in the second recovery unit.

A grain sampling apparatus is integrated and mounted to a grain storage bin that has a device for drying the grain from the top. The grain sampling apparatus is configured for integration and mounting with a grain storage bin having a base, an upright cylindrical wall, and a plurality of dump chutes. Primarily, the grain sampling apparatus is configured to selectively sample and convey grain from the top of the bin to an exterior dispensing point. Thereafter, the sample of grain can be tested for water content.

A portable system for monitoring and conditioning of agricultural assets in aerated storage bins. Sensor sticks combine rigid tubing with internal sensor cables to enable penetrative submersion of sensor nodes into an existing stored volume of grain. A control unit has input terminals for connection of sensor sticks and plenum sensors, and output terminals for connection of portable construction heaters, aeration fans and headspace exhaust fans. The terminals include multi-use terminals to which different sensor and equipment types are assignable to enable a variety of different operational scenarios with different quantities of bins, heaters, fans and sensor sticks. A headspace kit includes a fan unit mountable externally to the bin near ground level, and a flexible exhaust duct routable between the fan unit and a rooftop opening of the bin for fan driven evacuation of humid air from the headspace of the bin.

The application discloses a kind of grain drying machine anti-blocking discharge mechanism, it is related to discharge mechanism technical field;To avoid the plugging during discharging;Including discharge pipe one, drive part and impurity cleaning part, the arc-shaped pipe is welded in the top outer wall of discharge pipe one, the impurity cleaning part includes: filter screen: it is fixed in the inner wall of both sides of discharge pipe one, and filter screen is overall inclinedly arranged;Moving plate: it is movably connected in the inner wall of the sliding slot opened in the side wall of discharge pipe one, and the outer wall of one side of moving plate is fixed with the limiting block that the opening in discharge pipe one inside is matched.Besides, the application can effectively filter and retain the impurities in grain by setting filter screen, by setting moving plate to slide along the side wall of discharge pipe one, so that when the opening of guide-out hole and the side wall of discharge pipe one coincides, the impurities filtered on the surface of filter screen can be guided out through guide-out hole, so as to avoid the plugging of filter hole on the surface of filter screen by impurities.

The present application belongs to the technical field of drying machine, and particularly relates to a full-automatic grain drying machine, which comprises supporting legs, a plurality of supporting legs are arranged around the outer ring surface of a drying cylinder, a feeding pipe is arranged on the end cover of the drying cylinder, a discharging groove is arranged on the outer side surface of the lower end of the drying cylinder, a columnar mesh cylinder with an opening facing downward is vertically fixed at the central part of the drying cylinder, an isolation mesh cylinder is arranged on the inner ring surface of the drying cylinder, a drying bin is formed between the isolation mesh cylinder and the columnar mesh cylinder, an air blowing drying assembly is arranged on the drying cylinder, and a stirring and tumbling assembly is arranged in the drying bin. The present application can improve the rapid and uniform drying treatment of grains in the drying bin formed between the columnar mesh cylinder and the isolation mesh cylinder, and can prevent the phenomenon that some grains are damaged due to the serious drying of the grains caused by the excessively high local temperature in the drying bin, thereby affecting the drying quality of the grains in the drying machine.

The invention relates to the technical field of grain drying machines, and discloses a low-temperature cyclic utilization type efficient energy-saving grain drying machine which comprises a tower bottom, a tower cover and an air heater and further comprises a tower body, the tower body is of a multi-layer splicing type frame structure, an exhaust pipeline is arranged in each layer of frame structure, the exhaust pipelines in the multi-layer frame structure form a drying pipeline, and the drying pipeline is connected with the tower cover. The drying pipeline divides the interior of the tower body into four drying areas so that the tower body can conduct cross-flow type drying on grains, the winnowing mechanism is arranged on the tower cover, dust and the grains are separated by conducting wind scattering on the grains entering the tower body, the grains cannot be damaged, and the breakage rate of the grains is reduced. According to the low-temperature recycling type efficient energy-saving grain drying machine, professional performance, flexibility and convenience can be considered, the problem that traditional equipment is fixed in shape and inconvenient to transfer is solved by adopting a spliced structure, meanwhile, air distribution is conducted in a partitioned mode, grains are heated evenly, and the quality of the dried grains is improved.

The present application provides a kind of biomass fuel-based grain dryer, including main box, hot blast furnace is installed in the inside top of main box, fuel supply bin is symmetrically extended into the two sides of hot blast furnace, grain outlet pipe is equipped at the inside bottom of main box, discharge chute is opened at the position of the outer wall of main box and grain outlet pipe, grain air-drying assembly is installed at the top of grain outlet pipe;Fuel supply bin is open structure at both ends, the inner end of fuel supply bin is communicated with fuel supply bin, second fan is installed at the outer end of fuel supply bin, pusher assembly is slidably installed in the inside of fuel supply bin.The grain injected by grain injection inlet can pass through second fan, the rice hull and straw in grain are blown out by second fan, the blown-out rice hull and straw are gathered in the inner end of the inside of fuel supply bin, and so on, so that impurity screening for grain can be realized, and biomass raw materials in grain can be recycled during discharging process.

The application relates to a control method, device and equipment for preventing overloading of a discharging motor of a dryer, which comprises the following steps: determining an initial discharging interval of to-be-discharged grains according to the grain type, initial moisture of the to-be-discharged grains, target moisture, atmospheric humidity and working temperature of a burner of the dryer; if the initial discharging interval meets preset time conditions corresponding to the to-be-discharged grains, the initial discharging interval is determined as a target discharging interval; if the initial discharging interval is less than a grain drying moisture time, the initial discharging interval is adjusted until the adjusted discharging interval meets the time conditions, and the adjusted discharging interval is determined as the target discharging interval; and discharging of a discharging gate of a discharging bin to the dryer for drying is controlled according to the target discharging interval. Through the method, the time required for determining the target discharging interval is shortened, and the method has good applicability for long-time continuous operation or short-time operation.