176results about "Grains drying" patented technology

The invention relates to the field of grain drying, and discloses a grain drying energy-saving control system based on intelligent optimization, which comprises the following steps: after warehousing grains are detected, judging whether the water content of the grains exceeds a preset safety threshold value or not by collecting the initial water content of the grains and environment temperature and humidity information; according to the grain moisture content, the grain size distribution and the current environment condition, a multi-section type moisture change trend model fitting the drying process is constructed, and the decrease rate of the grain moisture content and the drying curve form in the future stage are predicted; analyzing the deviation value between the water content change slope and the target drying rate in the prediction curve; judging whether an adjustment potential exists or not by modeling a response relationship among the current hot air temperature, wind speed, heat source power and water content change; and according to the heat energy use analysis result, control instructions of hot air temperature, air speed and air supply modes are automatically generated. The self-adaptive energy-saving grain dryer has the advantage that the self-adaptive capacity and the energy-saving effect in the grain drying process are improved.

A surround hot air slow drying device and a three-stage baking method for pet food processing are provided. The surround hot air slow drying device for pet food processing includes a drying box. A hot air drying unit is provided at an inner bottom of the drying box, a circulating conveying unit is provided inside the drying box, a plurality of drying frames are evenly distributed on the circulating conveying unit, a material turning mechanism is provided inside the drying frames, and a positioning component is provided inside the drying box. The material turning mechanism cooperates with the positioning component to turn the raw materials in the drying frames.

The invention relates to the technical field of grain storage, and discloses a grain impurity treatment device of a static grain dryer, which comprises a dryer body, and the upper surface of the dryer body is fixedly connected with an E-shaped frame; the lower surface of the impurity removing box is fixedly connected with the upper surface of the E-shaped frame, the bottom of the impurity removing box is open, a feeding port is formed in the outer surface of the impurity removing box, a first partition plate and a second partition plate are fixedly connected to the inner wall of the impurity removing box, and the second partition plate is located on the side, away from the feeding port, of the first partition plate. A screen drum is rotationally connected between the first partition plate and the impurity removing box, and center shafts are fixedly connected to the two opposite sides in the impurity removing box. The grain impurity treatment device of the static grain dryer can effectively solve the problems that in the prior art, flowing large-particle impurities easily drive part of grain particles to be jointly discharged from the impurity discharging opening of the screen drum, so that actually available grains are reduced, and the grain yield and the overall income are reduced.

The invention relates to the technical field of grain processing, and particularly provides a rice raw material drying system for rice processing. Comprising a cylindrical bin, a plurality of separation discs, a plurality of drying bins and a driving mechanism for driving the plurality of drying bins to synchronously rotate; the drying stock bin comprises a stock bin supporting plate which is in lap joint with the lower separation disc, a plurality of annular inserting grooves are fixed to the stock bin supporting plate, floating material chambers are movably inserted into the annular inserting grooves, and a collecting hopper is assembled among the top ends of the floating material chambers in a sliding fit mode; the collection hopper is rotationally mounted at the bottom of the upper separation disc through a bearing and dispersedly guides grains into each floating material chamber; according to the drying system, the effective drying time of the grains is greatly prolonged, the defect that a drying channel is short is overcome, and the drying effect of the grains is guaranteed; in addition, heat source distribution is optimized, the effects of airflow flowing and timely water vapor discharging are enhanced, the effective utilization rate of a heat source is increased, and relative energy consumption is reduced.

A system configured to collect a representative sample of dried grain from an industrial grain dryer to inform the dryer's automatic temperature controller includes: a plurality of drop tubes each having a top end and a bottom end, wherein the top end of each drop tube is communicatively coupled to a respective dump chute of the grain dryer and configured to receive a respective partial grain sample from the dump chute; connective tubing communicatively coupling the bottom ends of the plurality of drop tubes; an air blower communicatively coupled to a proximal end of the connective tubing, wherein the air blower is configured to propel the partial grain samples distally through the connective tubing; and a collection box communicatively coupled to a distal end of the connective tubing, wherein the collection box is configured to receive and aggregate the partial grain samples into a combined sample for moisture testing.

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 application discloses a monitoring system of a heat pump type low-temperature circulating grain dryer based on the Internet of Things, which includes a data acquisition module, a data transmission module, a safety control module and a remote monitoring module; where the data acquisition module is used for obtaining data of a low-temperature circulating dryer and a multistage air source heat pump; the safety control module is used for automatically controlling a motor according to the data; the data transmission module is used for transmitting data to the cloud server; the remote monitoring module is used for graphically displaying the data, performing an alarming and sending control commands on the low-temperature circulating dryer and the multistage air source heat pump; and the data acquisition module, the safety control module and the data transmission module are wirelessly connected with the remote monitoring module.

The invention relates to the technical field of drying processing, in particular to an automatic drying device and method for grain processing, and the automatic drying device comprises a base, a roller, an adjusting unit and a hot air unit. According to the grain drying machine, the length of a material curtain raised by grains in the accumulation area is reduced by means of the adjusting unit, namely, the uniformity of the raised grains is reduced, the material curtain formed when the second raising plate raises the grains in the middle drying area is uniform and is in the maximum length, the grains are uniformly dispersed and dried, and the drying efficiency is improved. Therefore, the problem that grains are overheated due to the fact that the grains are excessively raised close to a hot air area is avoided, and internal and external common drying is formed through a hot air cylinder, an air outlet sleeve and an auxiliary heating ring in the hot air unit. Meanwhile, in the middle drying area, it is ensured that hot air still has heat needed for drying after flowing from right to left by means of heat transferred into the auxiliary heating ring after the roller is heated, and the drying effect of the middle drying area (away from a large amount of hot air outlet area) on the grains is improved.

The invention relates to the technical field of rice processing, in particular to special flavor rice processing freeze drying equipment which comprises a condensing box and a cuboid material bin arranged in the condensing box. A plurality of sets of turning paired frames are symmetrically installed on the inner walls of the two sides of the material bin, each set of turning paired frame is composed of turning paired frame units oppositely arranged on the two sides, and each turning paired frame unit comprises a supporting building frame, an adjusting frame, a supporting cylinder, a synchronous transmission piece and a spiral turning piece. The top of the condensation box is provided with a box top plate and a top support, the top support is provided with a sliding support section capable of moving transversely, the bottom end is provided with a multilayer porous ceramic water vapor adsorption piece in a hoisting mode, the bottom end is filled with an activated carbon layer and connected with an external vacuum pump, and an adsorption area directly faces a middle working area of the overturning opposite frame. The sliding branch section drives the water vapor adsorption part to transversely move synchronously with throwing of the turning part. Through mechanical-airflow-control multi-dimensional cooperation, oxidation is prevented while water vapor is efficiently captured, flavor components are further locked, and the processing quality of the high-quality flavor rice is guaranteed.

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 provides movable grain drying equipment, and relates to the technical field of grain drying, the movable grain drying equipment comprises a movable chassis, a hot blast stove is mounted on the movable chassis, the hot blast stove is connected with a hot air box, a drying cylinder is mounted on the hot air box, the drying cylinder is connected with a conveying mechanism, and one end of the conveying mechanism is communicated with the lower end of the drying cylinder; a grain outlet is formed in the other end of the conveying mechanism; an air inlet and an air outlet are formed in the side wall of the drying cylinder, the air inlet is located in the lower portion of the drying cylinder and communicates the drying cylinder with the hot air box, and the air outlet is located in the upper portion of the drying cylinder and communicates the drying cylinder with the outside; multiple layers of sieve plates are installed in the drying cylinder, sieve holes are formed in the plate faces of the sieve plates, a scraper is correspondingly installed above each sieve plate and connected with a rotating shaft, the upper end of the rotating shaft is connected with a first motor, the first motor is fixed to the top of the drying cylinder, and a grain inlet allowing grain to enter is further formed in the top of the drying cylinder. The technical problems that in the prior art, during grain drying, energy consumption is large, and the crack ratio is high are solved.

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.

The invention relates to the technical field of agriculture, in particular to a soybean drying device which comprises a machine base, a support, a vertical plate, a hollow shaft and a drying cylinder, the support and the vertical plate are fixedly connected to the left side and the right side of the upper surface of the machine base respectively, the hollow shaft is installed at the top of the vertical plate through a bearing, and the right end of the drying cylinder communicates with the hollow shaft. The support supports the left side of the drying cylinder, the drying cylinder is used for storing soybeans, a driven gear is installed on the outer wall of the hollow shaft, a plurality of releasing mechanisms are installed on the outer wall of the drying cylinder from left to right in the circumferential direction at equal intervals, and soybeans with not full particles are discharged outwards through the releasing mechanisms. The soybean screening device overcomes the defect that traditional equipment is not timely in exhaust, avoids overhigh local humidity, remarkably shortens the drying period, can meet the screening requirements of soybeans with different particle sizes, not only can remove shriveled soybeans and impurities in the reserved soybeans to improve the germination rate, but also can screen qualified soybeans for processing links such as oil squeezing and smashing, reduces subsequent processing procedures and reduces the production cost.

This invention discloses a gradient dehydration type grain dryer, relating to the field of grain drying technology. It includes a drying shell with a hot air pipe fixedly connected to its side wall. A dehydration device is installed inside the drying shell. The dehydration device includes a central shaft and dehydration components. The central shaft includes a sleeve and a movable shaft that are slidably connected. Both ends of the sleeve are fixedly connected to the inner side wall of the drying shell. The dehydration components include a grain tray and a top cover fixedly connected to each other. The grain tray is bowl-shaped. A connecting shaft is fixedly connected to the outer side wall of the movable shaft. A fixing ring is fixedly connected to the other end of the connecting shaft. A limit plug is fixedly connected to the side of the fixing ring facing the corresponding grain tray. The limit plug blocks or separates the hole in the middle of the grain tray, thus blocking or discharging the grain on the inner side wall of the grain tray, preventing the grain from remaining in the grain tray for too long. This solves the technical problem of heavy grain accumulating in the drying hopper and affecting the drying effect.

Mixed dryer (100) for corn or the like, suitable for both grains and cobs, comprising a plurality of modules (50), each module comprising at least one drying cell (10) intended to receive the corn, a hot air generator (30) and its air distribution network (35) for sending the hot air into said cell, said dryer comprising an automatic filling system (20) configured to uniformly fill each cell (10), each cell (10) comprising on its bottom at least one drying duct (16) perforated with several holes and crossed by the hot air blown by said generator, said holes having a variable spacing along said duct so as to ensure a constant air flow passing through the corn, the dryer further comprising an air recycling tunnel (352) for reinjecting used, slightly humid air into the cell. Figure for abstract: figure 1

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 conveying control system for automatic rice processing based on industrial vision, and relates to the technical field of rice processing. A filtering plate is fixedly mounted at the bottom of the inner wall of the left end of the processing mechanism; a screening plate is fixedly mounted on the right side of the filtering plate; an electric rotating rod is rotatably mounted on the inner wall of the processing mechanism; a plurality of flapping plates are fixedly mounted on the outer wall of the electric rotating rod at equal intervals; a swing plate is hinged to the right side of the inner wall above the machining mechanism through a torsional spring. Rice caked due to moisture erosion is decomposed through revolution slapping of the flapping plate, the overall looseness during rice processing is guaranteed, meanwhile, the caked rice is prevented from blocking screen holes of the screening plate, the rice falling speed is prevented from being reduced, the rice processing and conveying efficiency is made to be constant, and meanwhile the cleanliness during rice processing is improved by means of the fan.

A grain sampling mechanism 208 operatively connected to a wall 112 of a heating column 110 of a grain dryer 102 includes a sampler housing 210 having an opening 212 configured to receive grain 204 as the grain drops down the heating column 110. The sampler housing is pivotally mounted about a pivot axis 214 and a biasing mechanism 216 provides a biasing force that positions the sampler housing in a first condition where the opening extends into the heating column. When an amount of grain collected in the sampler housing reaches a sufficient quantity to overcome the biasing force, the collected grain causes the sampler housing to pivot to a second condition in which the opening is blocked such that a fixed sample of grain is contained within the sampler housing. A sensor 206 senses a moisture parameter of the fixed sample of grain collected in the sampler housing.

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 discloses a production method and device of whole-grain nutritional rice, and mainly relates to the field of rice processing. Comprising the following steps: grinding a mixture of an aleurone layer and a germ layer which are separated from polished rice after rice milling into powder, adding water into the powder, and preparing slurry in a pulping machine; pouring polished rice into a roller of a rice film machine, and driving the polished rice to continuously turn over by using the roller, so that the polished rice is wrapped with the slurry; hot air is introduced into the roller through the hot air pipe, and moisture in slurry in the roller is taken away by using the exhaust pipe, so that dried aleurone layer powder and germ layer powder are uniformly wrapped outside polished rice, and the whole-grain rice with more comprehensive nutrition is formed. The method has the beneficial effects that the technical problem of incomplete nutrition caused by lack of an aleurone layer and a germ layer in the existing polished rice can be solved, the nutritional ingredients of the rice are greatly improved, the taste of the rice is not obviously different from that of common rice, and the comprehensiveness and balance of the nutritional ingredients of the rice product are greatly improved.

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

The invention discloses a material distributing and drying mechanism for a grain dryer, and relates to the field of grain dryers. The material distribution box comprises a material distribution box body, a plurality of material discharging mechanisms are arranged on the inner side of the material distribution box body, each material discharging mechanism comprises a first material discharging wheel and a second material discharging wheel, and through the material discharging mechanisms, when the positions of the first material discharging wheels and the positions of the second material discharging wheels need to be exchanged, only a first motor needs to be used for driving a first rotary disc to rotate; the position exchange of the two discharging wheels can be easily achieved, the mechanism remarkably improves the applicability of the material distributing mechanism, due to the fact that different grain or different processing requirements possibly require that the discharging wheels have different configurations or positions, the change can be rapidly adapted through position exchange, a complex mechanical structure does not need to be replaced or adjusted, and the material distributing mechanism is convenient to use. Therefore, the applicability of the material distributing mechanism to grains with different grain sizes is improved.

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 present application relates to the technical field of dry processing, in particular to a kind of grain processing automatic drying device and method, including base, roller, adjusting unit and hot air unit.In the present application, the length of the grain is reduced in the accumulation area by the adjusting unit, which reduces the uniformity of the grain after being lifted, and the curtain formed by the second lifting plate in the middle drying area is uniform and at the maximum length, the grain is evenly dispersed for drying operation, thereby avoiding the problem of overheating of the grain caused by excessive lifting near the hot air area, and the inner and outer drying is formed by the hot air cylinder, air outlet sleeve and auxiliary heating ring in the hot air unit, and the heat transferred to the auxiliary heating ring after the roller is heated in the middle drying area ensures that the hot air still has the required heat for drying after flowing from right to left, improving the drying effect of the middle drying area (far from the hot air outlet area).

The invention relates to the technical field of drying, and particularly discloses a raw material particle drying device which comprises a frame body, an outer barrel body, a material gathering bin, a heating assembly, a transferring assembly and a drying assembly, the outer barrel body is arranged on the frame body, the material gathering bin is arranged at the bottom of the outer barrel body, and the drying assembly comprises a first driving part, a rotating ring, an inner barrel body, a rotating barrel and a first spiral plate. A supporting ring is arranged at the top end of the material gathering bin, the rotating ring is rotationally matched with the supporting ring, the inner barrel is arranged in the outer barrel, a first ring cavity is formed between the inner barrel and the outer barrel, a gap is formed between the inner barrel and the upper surface of the rotating ring, the rotating barrel is arranged on the rotating ring, and a second ring cavity is formed between the rotating barrel and the inner barrel. The first spiral plate is arranged in the second annular cavity and connected with the rotating cylinder, the heating assembly is located in the rotating cylinder, and a third annular cavity is formed between the rotating cylinder and the heating assembly; according to the raw material particle drying device, the drying time of materials in the outer barrel can be prolonged, and therefore the drying efficiency is improved.

The invention relates to the technical field of dryers, in particular to an air mixing constant-temperature dryer which comprises a body, a frame is fixedly mounted on the outer wall of the body, a conveying pipe is fixedly inserted into the bottom end of the body, a feeding bin is fixedly connected to the position, close to the bottom end, of the outer wall of the conveying pipe, and a gas generator is mounted on the outer side wall of the frame. A heat conversion conveying module is installed on the outer side wall of the gas generator, an inner cylinder is fixedly connected to the top end of the interior of the main body, an air heater is installed at the position, close to the bottom end, of the outer side wall of the frame, a communicating pipe is fixedly connected to the upper end of the air heater, and an annular air collection bin is fixedly installed at the top end of the interior of the inner cylinder. According to the grain drying device, secondary drying of grains is achieved, the grain drying effect is effectively improved, by arranging the auxiliary mechanism, the grains can be automatically dispersed, caking is avoided, the drying effect is not affected, and the situation that the discharging holes are blocked, and the grains are smoothly thrown out of the discharging holes can be avoided.

The invention relates to the technical field of drying, and provides a waste heat gradient utilization multifunctional modular grain drying device which comprises a heating system, an airflow distribution system, a modular drying bin set, a waste heat circulation dual-mode waste gas treatment system and a multifunctional monitoring control system. The heating system comprises a main hot air heating unit and an auxiliary heat radiation unit; the air flow distribution system comprises a main air flow uniform distribution unit and a penetrating type air flow supply unit; the modularized drying bin set comprises a plurality of drying bins of the same structure. Each drying bin comprises a drying bin body, a multi-mode grain stirring device and a grain discharging unit. The waste heat circulation dual-mode waste gas treatment system comprises a waste gas recovery device, a waste heat recovery device and a dual-mode waste gas guide device; the multifunctional monitoring control system comprises a temperature detection unit, a wind speed detection unit, a humidity detection unit and a control unit. The multi-mode grain stirring device supports three replaceable stirring mechanisms including a transverse type spiral blade grain stirring mechanism, a jet-propelled arc-shaped stirring piece grain stirring mechanism and a longitudinal type spiral blade grain stirring mechanism, meets the drying requirements of various agricultural products, and can be used for drying the agricultural products through the synergistic effect of waste heat dynamic recovery, grain layer multi-direction disturbance and airflow gradient regulation and control. Self-adaptive uniform drying of agricultural products is achieved, unit energy consumption is remarkably reduced, and the drying period is shortened.