307results about "Seed preservation by drying" patented technology

The utility model discloses a movable grain drying device which comprises a vehicle body, a lifting device, a grain barrel, a conveying device and a drying assembly, the lifting device comprises a first frame body and a second frame body, and a feeding port and a driven shaft are arranged at the bottom of the first frame body; a driving shaft, a first discharging port, a second discharging port and a discharging baffle are arranged at the top of the second frame body, the grain barrel comprises a first barrel body, a second barrel body and a third barrel body which are sequentially arranged in a sleeving mode from outside to inside, a second telescopic assembly is arranged on the outer side of the grain barrel, and a grain discharging device is arranged at an outlet in the bottom of the first barrel body. The two ends of the conveying device are matched with the grain discharging device and the first frame body respectively, the drying assembly comprises a hot air assembly and a drying cylinder, and the drying cylinder is installed in the grain cylinder. The grain barrel can stretch out and draw back, and the lifting device can be bent, so that the grain drying machine is small in size, low in height, convenient to move and transport and high in grain drying efficiency.

The utility model relates to a uniform and efficient grain storage air drying bin, and belongs to the technical field of grain air drying. The problem that the grain air-drying effect generated by a traditional air-drying bin is not uniform is solved. Comprising a frame, a material blocking net and a rhombus cylinder, the material blocking net is arranged on the frame, and a grain storage bin is defined by the material blocking net; a grain inlet area, a grain storage area and a flow guide area which are sequentially communicated from top to bottom are arranged in the grain storage bin, and a grain inlet is formed in the top of the grain inlet area; the horizontal section size of the flow guide area is gradually reduced from top to bottom, and a grain outlet is formed in the bottom of the flow guide area; a plurality of rhombic cylinders are uniformly distributed in the grain storage bin, the two ends of each rhombic cylinder are connected with the frame, and the two ends of each rhombic cylinder abut against the material blocking net; the interior of the grain storage bin is divided into net-shaped grain storage spaces through the multiple rhombic barrels. The rhombic cylinder is of a thin-wall cylindrical structure, and a front-back through air duct is arranged in the rhombic cylinder; a plurality of ventilation holes are distributed in the side wall of the rhombic cylinder, and the air channel is communicated with the ventilation holes. The grain storage and air-drying device is used for storing and air-drying grains.

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.

This utility model discloses a graphene infrared static grain dryer, relating to the field of grain processing technology. It includes a conveyor support frame, with a turning bracket fixedly connected above the frame. A turning drive assembly and an air pump are fixedly connected to the upper end of the turning bracket. Turning assembly one and turning assembly two are fixedly connected to the movable ends on both sides of the turning drive assembly, respectively. An air supply pipe is fixedly connected to the air outlet of the air pump, and the other end of the air supply pipe is fixedly connected to turning assembly one and turning assembly two. Turning assembly one and turning assembly two each include a turning plate, a triangular boss, and an air blowing groove. This utility model uses two sets of symmetrically installed swing rods to drive turning assembly one and assembly two to reciprocate in opposite directions. The hollow structure inside the turning plate, combined with the air pump supply, first pushes the grain through airflow during movement, then physically turns it through the triangular boss, achieving uniform heating on both sides of the grain, reducing mechanical contact damage, and ensuring thorough turning of the grain.

The utility model belongs to the technical field of agricultural product drying equipment, and particularly relates to a heat source device of a grain dryer. One end of the shell is provided with a shell air inlet, the other end of the shell is provided with a shell air outlet, the shell air outlet is provided with an air blower connecting structure, an air duct piece is arranged in the shell, one end of the air duct piece is correspondingly connected with the shell air inlet, and the other end of the air duct piece is correspondingly connected with the shell air outlet; a plurality of heating plates which are arranged at intervals up and down are fixedly arranged in an inner cavity of the air duct piece through a mounting bracket, each heating plate is horizontally arranged, and the heating plates are microcrystalline glass plates coated with electrothermal films and conductive electrodes. According to the utility model, the heating efficiency can be effectively improved, and the use cost is saved.

The utility model relates to the field of assembling of bucket elevators and grain dryers, in particular to a self-locking clamping butt-joint fixing device which comprises a lock hook assembly arranged on a bucket elevator barrel, the lock hook assembly comprises a pull plate rotationally connected with the bucket elevator barrel, and a pull rope and a clamping hook are arranged at the two ends of the pull plate respectively; the locking arm assembly is arranged on the grain dryer barrel, and the locking arm assembly is provided with a clamping groove matched with the clamping hook; the clamping hook of the lock hook assembly can be correspondingly clamped in the clamping groove of the lock arm assembly so that the bucket elevator can be fixedly locked to the grain dryer, and the clamping hook can be separated from the clamping groove by pulling the pull rope so that locking between the clamping hook and the clamping groove can be relieved. No special climbing equipment is needed, the bucket elevator can be quickly locked to the grain drying machine, and meanwhile locking between the bucket elevator and the grain drying machine can be quickly relieved.

The invention relates to low-damage endosperm rice and a preparation process thereof. Specifically, the invention provides a brown rice milling method, the method comprises the steps of unhusked rice opening and fine milling, and the method comprises the step of controlling the protein retention rate, the damaged starch content and the protein-to-ash ratio of milled brown rice to be in the following ranges: the protein retention rate is 88.0% or above, the damaged starch content is 0.480% or below, and the ash-to-protein ratio is 0.055 or above.

The utility model relates to the technical field of agriculture, and discloses a biomass hot-blast stove for drying rice, which comprises a hot-blast stove, the top of the hot-blast stove is fixedly connected with a smoke exhaust pipe, the inner wall of the smoke exhaust pipe is inserted with a filter screen, the left side and the right side of the filter screen are inserted with limiting insertion blocks, and the inner walls of the two limiting insertion blocks are connected through a fixing assembly. Four supporting rods are fixedly connected to the bottom of the hot blast stove, pulleys are rotationally connected to the inner walls of the supporting rods, and the front sides and the rear sides of the pulleys are connected through limiting assemblies so that the pulleys can be fixed. According to the utility model, smoke is filtered through the filter screen, the crank is rotated to enable the two limiting insertion blocks to slide to unfasten the fixation of the filter screen, and the filter screen is pulled out to be replaced and is cleaned and replaced; therefore, the replacement speed of the filter screen is increased, and the working efficiency is improved.

The utility model relates to the technical field of grain processing, in particular to grain drying equipment which comprises a drying cylinder arranged on a support, the drying cylinder is vertically arranged, a feeding port is formed in the top of the drying cylinder, a discharging port is formed in the bottom of the drying cylinder, and the bottom of the drying cylinder communicates with an air supply pipeline; the device further comprises a stirring structure arranged in the center of the drying barrel, a power air cylinder is arranged at the top of the drying barrel, the stirring structure is fixedly connected with the power air cylinder and moves up and down in the drying barrel, a material scattering groove is formed in the drying barrel, and a plurality of material scattering holes are formed in the peripheral side and the bottom of the material scattering groove. The scattering groove is communicated with the feeding port and rotates around the top of the drying cylinder. The grain drying device has the effects of reducing grain accumulation and improving the drying efficiency.

The utility model relates to the technical field of grain drying machine discloses a hot -blast recovery mechanism based on grain drying machine, including recovery box, the left side of recovery box is provided with recovery hot -blast mechanism, the inner wall left side of recovery box is provided with filter equipment, the inner bottom wall right side of recovery box is fixedly installed with heating pump, the top wall middle part rotation of recovery box is connected with the movable door, recovery hot -blast mechanism includes the concentration pipe, the bottom of concentration pipe is linked in the left side of recovery box, the bottom wall left and right sides of concentration pipe all are linked with the connecting shell, the bottom of connecting shell is linked with the collection pipe, the top wall right side of recovery box is linked with the delivery pipe. In the utility model, the hot -blast is recovered and draws through the collection pipe, and simultaneously due to the hot -blast having the heat, makes the energy reduction of heating pump consumption, thereby to the hot -blast heating again after again delivery, reaches the effect that the hot -blast recycles, effectively avoided the hot -blast use efficiency decline.

The invention relates to the technical field of corn breeding, in particular to a corn breeding material drying and storing integrated device based on seed maturity grading, which comprises a base and a plurality of storage cabins mounted on the side edge of the base, and a plurality of supporting assemblies corresponding to the storage cabins in number and position and used for supporting the storage cabins are arranged on the side edge of the base; a controller is fixedly connected to the top of the base, an air supply assembly for supplying air to the storage bin is arranged at the top of the base, and the air supply assembly is electrically connected with the controller; the side walls of the storage cabins communicate with air supply assemblies, the air supply assemblies communicate with cavities, and the sides, away from the air supply assemblies, of the cavities communicate with exhaust pipes. Through arrangement of the blades, the rotating shafts, the cams and the spring plates, the spring plates at the bottoms of the storage cabins generate periodic vibration, so that corn seeds are in a flying state in the storage cabins; the seeds are exposed in hot air to be uniformly dried, so that the condition of seed damage caused by non-uniform heating and non-thorough drying of part of the seeds is avoided.

The invention relates to a sesame drying system introduced to eliminate the problems of inefficient drying of sesame and a sesame drying method performed with said sesame drying system. Thanks to the sesame drying system of the invention and a sesame drying method carried out with said sesame drying system, the sesame drying capacity is increased by approximately 50%, the final moisture value of the dried sesame is reduced to less than 15%, the waste heat generated in the sesame drying process is used efficiently, quality and textural improvement is achieved in the dried sesame seeds, and the amount of sesame dried per unit time is increased by 20-40%.

The invention relates to the field of rice, in particular to dust removal equipment of a rice dryer. Dust removal equipment of a rice dryer comprises a plurality of connecting pipes installed on a dust removal box, and all the connecting pipes are communicated with the dust removal box. The dust removal device further comprises a bent arc flow guide plate arranged in the dust removal box, and the bent arc flow guide plate corresponds to all the connecting pipes. Meshes of the middle dust filter screen of the transmission belt are dredged in real time through the dredging rods on the cleaning rollers, meanwhile, the fluctuation pieces are blown by wind power to swing irregularly to flap the middle dust filter screen of the transmission belt, the real-time cleaning effect on the middle dust filter screen of the transmission belt is further improved, and therefore it is guaranteed that the cleaning efficiency is improved under the long-time working condition. The drying machine and the dust removal equipment do not need to be shut down and work in the normal working state, and therefore the problems that a large amount of heat is lost due to frequent start and stop of the rice drying machine, energy consumption is increased, and the drying effect and the drying efficiency are reduced are solved.

The utility model relates to a movable chassis of a dryer and belongs to the field of grain dryers. Comprising a chassis frame, a plurality of first telescopic supporting legs used for adjusting the vertical length and the transverse length, a plurality of second telescopic supporting legs used for adjusting the vertical length, a steering adjusting mechanism, two steering wheels, two rear wheels and a traction rod. The first telescopic supporting legs and the second telescopic supporting legs are arranged in the circumferential direction of the chassis frame in a surrounding mode, the steering adjusting mechanism is installed at the bottom of one end of the chassis frame, and the steering wheel and the traction rod are connected with the steering adjusting mechanism. The rear wheel is installed at the end, away from the steering wheel, of the chassis frame, and a drying cylinder installation table, a fan installation table and a hot blast stove installation table are arranged at the top end of the chassis frame. The grain dryer is beneficial to solving the problems of quick assembly, movement and stability of the grain dryer.

The utility model relates to the technical field of sprouted rice processing, in particular to a draining device for sprouted rice processing, which not only can perform multi-stage draining on sprouted rice and avoid the problem that the sprouted rice flows away along with water, but also is convenient to classify and collect different grains of sprouted rice. Comprising a draining box, a feeding pipe, three sets of supporting legs, a draining valve, three sets of filter screens, three sets of material guiding groove plates, a baffle, a pull ring, three sets of collecting boxes and a vibrating device, the output end of the feeding pipe communicates with the top end of the draining box, and the three sets of supporting legs are installed on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the draining box correspondingly; the baffle is slidably inserted into the inserting opening of the draining box and seals the three discharging openings of the draining box, the pull ring is installed in the middle of the top end of the baffle, the three collecting boxes are located below the three guiding groove plates respectively, and the vibration device is installed at the bottom ends of the four supporting legs.

The utility model provides an impurity removal system, dryer and air regulation mechanism, including the air volume adjustable impurity removal fan, the impurity outlet is used for connecting the ash storage room through the impurity removal fan, the impurity removal fan is used for forming the critical speed position between the air supplement window and the impurity outlet, V1 > V suspension > V temporary > V2, V1 is the air flow speed between the critical speed position and the impurity outlet, V suspension > V temporary > V2, and V suspension > V temporary > V2 is the air flow speed between the critical speed position and the impurity outlet. V suspension is the suspension airflow velocity of the grain dried by the dryer, V is the airflow velocity at the critical velocity position, and V2 is the airflow velocity between the critical velocity position and the impurity extraction port. The air supplement window is arranged on the impurity removal pipeline, V1 is larger than V2, and the air volume adjustment of the impurity removal fan capable of adjusting the air volume is matched, so that the air flow velocity relation that V1 is larger than V, suspension is larger than V and temporary is larger than V2 is formed on the impurity removal pipeline in the impurity conveying direction, the impurity removal effect is ensured to be maximized, and grains can be prevented from being pumped away.

The invention relates to a process for dehydrating whole kernels of Zea mays L. (maize), which comprises: providing clean, nixtamilised whole maize kernels; boiling the maize kernels in 4 parts water to 1 part maize kernels at 94ºC for 210-300 mins; rinsing the boiled maize kernels with clean water; freezing the boiled whole kernels at between -30 and -40ºC for 10-12 h; applying vacuum to the maize kernels, maintaining freezing at between -28 and -33ºC at a pressure below 80 Pa for 1-2 h; dehydrating the maize kernels, maintaining freezing at between -28 and -33ºC at a pressure of 23-26 Pa for 10-14 h; and continuing to dehydrate the maize kernels by increasing the temperature to 48-53ºC at 23-26 Pa for 2-4 h.

The utility model discloses a grain airing tray with self-adaptive load adjustment, which comprises an airing tray base plate and a grain carrying tray slidably mounted on the airing tray base plate, a grain baffle is arranged at the bottom of the grain carrying tray, and a grain baffle reset mechanism is arranged between the grain carrying tray and the airing tray base plate. The grain baffle reset mechanism comprises a first crank supporting assembly, a second crank supporting assembly and a reset spring module, the upper end of the first crank supporting assembly is supported at the bottom of the grain baffle in a rolling mode, and the upper end of the second crank supporting assembly is supported at the bottom of the grain carrying disc in a rolling mode. The lower ends of the first crank supporting assembly and the second crank supporting assembly are hinged to the airing plate base plate. The grain airing tray is reasonable in structural design, the grain carrying tray is installed on the airing tray base plate in a sliding mode, and the grain baffle reset mechanism is arranged between the grain carrying tray and the airing tray base plate, so that load self-adaptive grain accurate flow control in the grain carrying tray is achieved under the condition that no external energy is input, and the grain airing tray is high in practicability. And the mildew phenomenon of high-humidity grains during airing can be effectively avoided.

The utility model relates to the technical field of grain drying equipment, in particular to a high-efficiency energy-saving type grain layered drying device, which is characterized in that chain type conveying belts are arranged in an advancing type drying furnace in a penetrating manner, two material loading tables are respectively arranged on the left sides of an upper group of chain type conveying belts and a lower group of chain type conveying belts, and two groups of material pushing electric push rods are fixedly arranged on a mounting frame in an up-down arrangement manner; the material pushing plate is fixedly arranged on an output shaft of the material pushing electric push rod, and the two feeding stepping belts are erected on the front side of the upper material carrying table and the front side of the lower material carrying table correspondingly; by arranging the screening structure, coarse materials and fine materials can be classified at the front end of the drying procedure according to the particle sizes of the materials, then the materials are fed into the drying equipment in a multi-group parallel mode after being evenly spread, different drying technological processes are selected according to the materials with different characters, the drying steps are reasonably planned, and the drying efficiency is improved. And efficient and energy-saving machining of the equipment is achieved.

The present invention relates to a drying system for drying foods such as fruits and vegetables under sterile conditions, in a shorter period of time, using less energy and without the formation of toxic substances.

This invention discloses an energy-saving grain dryer with heat recycling technology in the field of grain processing. It includes a dryer body, with a first conveyor belt fixedly connected to one end and a second conveyor belt fixedly connected to the other end. The dryer body is internally equipped with a graded transport component. This invention uses the graded transport component to transport grain in grades within the space of the conveyor belts, making full use of the space inside the conveyor belts and allowing the grain to dry for a longer time. A controlled dehumidification component uses a first and second roller to alternately absorb water from the grain surface, removing moisture from damp grains before drying. After the first roller detaches from contact with the grain, it can still be dried inside the dryer body. Once the second roller becomes damp, it can be replaced with a dry first roller for reuse, thus completing the cycle and further improving the grain drying effect.

The utility model provides a rice airing and turning-over device for agricultural production. The rice airing and turning-over device comprises an airing box, the vibration motor is fixedly installed in the middle of the bottom of the airing box, and extrusion plates are fixedly installed on the periphery of the outer surface of the airing box. According to the rice airing and turning-over device for agricultural production, an output shaft of a second servo motor is controlled to rotate through an external power source to drive a second reciprocating lead screw to rotate and be meshed with a moving device in a threaded mode to slide on the surface of an airing box in a reciprocating mode, and a dispersing rod is driven to push away vibrating rice; an output shaft of a first servo motor rotates to drive a first reciprocating lead screw to rotate to be in threaded engagement with a dispersing device to slide in a reciprocating mode, the stacked rice is pushed away, the device is simple in structure and high in practicability, the airing box, the moving device and the dispersing device are matched with one another, the vibrating rice is pushed to be dispersed, it is kept that the rice is flatly laid in the airing box, and the airing effect is good. The labor intensity of operators is reduced, and the airing effect on the rice is improved.

This invention discloses a drying module for a high-efficiency large-scale far-infrared dryer, comprising a drying module housing and, sequentially arranged within the drying module housing, a tempering section, a first feeder unit, a buffer section, a leak-proof component, a drying chamber, a second feeder unit, and a dehumidification chamber. The first feeder unit bears the weight of the grain in the tempering section, preventing direct contact between the grain and the far-infrared emitting plate. This reduces the pressure and wear on the drying module from the grain flowing down from the tempering section, lowers the mechanical strength requirements of the far-infrared emitting plate, and eliminates the need for additional reinforcement. This not only increases the number of far-infrared emitting plates and improves the operating efficiency of the far-infrared dryer but also solves the problem of large-scale far-infrared dryers, significantly reducing the drying cost of materials.

The invention relates to a method for the continuous heat treatment of plant bulk material, in particular seeds, nuts, nut kernels and coffee beans, in a conveyor system and by means of direct heating of the plant bulk material by a heat source. Plant bulk material is continuously fed to the conveyor system at an inlet, is treated in the conveyor system in a controlled manner, while passing through at least two heating zones which lie sequentially one behind the other, by heat sources arranged there, and is conveyed to an outlet. The temperature of the plant bulk material when it leaves a first, upstream heating zone and before it enters a second heating zone adjoining the first heating zone downstream is measured by a temperature sensor. In order to monitor and control the heat treatment operation, the mass flow of the plant bulk material is continuously divided into virtual sub-units and for each of the virtual sub-units the temperature of the plant bulk material at the end of the first heating zone is measured. An actual value of the temperature is derived from the measured temperature of the plant bulk material in each virtual sub-unit and is compared with a setpoint value, planned for the heat treatment, of the temperature at the end of the first heating zone. In the event that a deviation of the actual value from the setpoint value is detected, the power of at least the heat source in the second heating zone is adjusted.

The application belongs to the technical field of drying tower and specifically discloses a multi-stage circulating heat exchange drying tower structure for a grain dryer, which comprises a grain turning bin, a feeding bin, a side-mounted rack table, a spiral material pushing machine, a rotary material turning unit and an elevator, the spiral material pushing machine is installed in the grain turning bin, a plurality of drying bins that are sequentially communicated are installed in the upper part of the grain turning bin, the feeding bin is installed above the drying bin close to the upper part, the elevator is connected with the feeding bin through a communicating pipe, a drying and shunting unit is arranged in the drying bin, the multi-stage structure of adjustable shunting, active pressurization, Venturi injection and wall-adhesion flow guiding is used to realize dynamic distribution and uniform distribution of air volume, significantly improve the contact efficiency of air flow and heat exchange wall surface, solve the problems of air flow concentration, uneven air volume distribution and low heat exchange efficiency of the existing equipment, and has the advantages of good drying uniformity and high thermal efficiency.

The utility model relates to the technical field of grain drying equipment, in particular to a pulse type grain drying fluidized bed which comprises a drying chamber, an air inlet injection pipeline is connected to the bottom of the drying chamber, a feeding bin and an exhaust pipeline are connected to the upper portion of the drying chamber, and the interior of the air inlet injection pipeline is divided into a plurality of air inlet channels through a plurality of partition plates. The air inlet directions of the air inlet channels are inclined, and air door mechanisms capable of controlling the air inlet channels to be opened and closed intermittently are arranged in the air inlet channels. Segmented air intake is adopted at the bottom of the drying chamber, and intermittent pulse type air intake is adopted in each section of air intake channel, so that impact force for forward movement is generated on grains while hot air intake dries the grains, the grains gradually move towards the direction of the discharging bin, grain accumulation is avoided, meanwhile, it is guaranteed that the grains make full contact with hot air, and the grain drying efficiency is improved. The drying efficiency is improved.

The invention provides a thermal cycle grain drying tower. The thermal cycle grain drying tower comprises a tower framework and an outer wall heat preservation plate. The tower framework is wrapped by the outer wall heat preservation plate to form a closed drying tower. A hot air channel and a cold air channel are formed between the two sides of the interior of the tower framework and the outer wall heat preservation plate correspondingly, and a stock bin channel is formed between the cold air channel and the hot air channel. A feed port is formed in the top of the bin channel, and a stop valve is arranged at the bottom; a scraper conveyor is arranged at the bottom of the tower framework, corresponds to the stock bin channel and is used for conveying grains discharged from the stock bin channel; a lower fan and a burner are further arranged at the bottom of the tower framework; the lower fan is communicated with the hot air channel and the cold air channel; the burner is arranged on one side of the hot air channel and used for providing hot air for the hot air channel. Hot air can enter the cold air channel through the stock bin channel; an upper fan is arranged on the top of the cold air channel and used for exhausting air. According to the invention, the heat energy utilization efficiency is greatly improved, the energy consumption of the burner is reduced, and the operation cost is saved.

The present application relates to the technical field of grain drying, in particular to a kind of grain rapid drying device and method, including the tower body of layered arrangement, the rear side of tower body is connected with hot air mechanism, the inside of each layer of tower body is equipped with drying bin, detection mechanism for providing the number of corn burst waist is connected with the lower end of drying bin, so that hot air mechanism adjusts drying parameter in time according to the number of burst waist, the corn being dried in tower body is automatically sampled and detected by using two groups of sample hopper, sample bin, the number of corn burst waist in the same batch is counted, the probability of corn burst waist in the batch is calculated, so that hot air mechanism adjusts drying parameter in time according to the number of burst waist, realize high quality drying of corn, compared with the existing manual sampling method, the present application realizes online continuous detection, avoids the quality loss caused by detection lag, significantly improves the automation level and quality control ability of drying process.

The utility model discloses a kind of drying machines for mixed coarse grains, including cabinet, the inside fixed connection of cabinet has belt conveyor, the side of cabinet is provided with drying assembly, the inside of cabinet is provided with poking assembly;The poking assembly includes motor;The output shaft of motor is connected with connecting belt through belt pulley sleeve;The connecting belt is connected with screw rod by sleeve joint pulley;The outer wall of screw rod is connected with threaded sleeve;The bottom fixed connection of threaded sleeve has poking frame.This drying machine for mixed coarse grains can make motor can drive connecting belt to rotate, can make connecting belt can drive screw rod to rotate, can make screw rod can rotate in threaded sleeve, can make poking frame can rely on external two sides slip sleeve along the outer wall of slide bar, and then can reach the back-and-forth movement of poking frame, can back-and-forth poking and scatter material, can improve the drying treatment of coarse grain.