1003results about "Seed preservation by 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 vacuum drying apparatus has a rigid bin structure within a flexible membrane liner arranged to store particulate material therein. An exhaust passage and air inlet passage communicate through the envelope in sealed relationship with the envelope. The air inlet passage is adjustably flow restricted relative to the exhaust passage so as to enable a flow through material in the liner when applying vacuum pressure to the exhaust passage, for example using a centrifugal fan. The air inlet passage communicating with an upper manifold within the upper portion of the bin structure and the exhaust passage communicating with a lower manifold within a lower portion of the bin structure.

The partial or full dehydration of organic or inorganic matter containing water by induction of matter into a vacuum and processing matter through a specially designed acceleration channel is disclosed. The inducted matter accelerates in air from zero speed to sub-sonic speed to reach supersonic speed. As the material transitions the sound barrier, it is subject to acoustic shock waves and an instant negative pressure drop occurs. The sound waves disintegrate, disinfect the material and extract part or all moisture from any organic or inorganic material.

Batch type coffee bean and nut drying equipment comprises a drying room, a heat pump heat supply device and an air inlet channel, a first drying screen and a second drying screen are arranged in the drying room and divide the drying room into a heat supply chamber, a first drying chamber and a second drying chamber, the heat pump heat supply device is installed in the heat supply chamber, a discharging opening is formed in the side wall of the first drying chamber, and a discharging opening is formed in the side wall of the second drying chamber. A discharging door is mounted at the discharging opening; a plurality of axial flow fans are installed in the heat supply chamber at intervals, an air inducing opening is formed in the side wall of the heat supply chamber, a part of space is reserved in the upper portion of the first drying chamber to serve as an air inlet cavity, an air inlet is formed in the side wall of the air inlet cavity, and the air inducing opening is communicated with the air inlet through an air inlet channel. Part of hot air in the heat supply chamber is introduced into the air inlet cavity through the air inlet duct, coffee beans or nuts above the second drying chamber are heated, the heating effect on the coffee beans or the nuts above the second drying chamber is guaranteed, and the phenomenon that the coffee beans or the nuts are affected with damp and rotten is avoided.

The utility model discloses a seed screening and drying device for forestry planting and relates to the technical field of seed screening. Comprising a seed conveying mechanism, the seed conveying mechanism is connected with a pneumatic conveying device to convey seeds, a stirring device is arranged in the seed conveying mechanism, the stirring device stirs the seeds to enable the seeds to be separated from impurities, the impurities are blown to be separated by air flow, and a heating mechanism is further installed on the seed conveying mechanism. Seeds entering from a discharging pipe are conveyed into a screening barrel through pneumatic conveying equipment, when the pneumatic conveying equipment blows out airflow, heat generated by a heating rod can be driven to synchronously enter the screening barrel to dry the seeds, and in the drying process, the airflow continues to be supplied into the screening barrel; as the seeds are driven by the stirring blades, light impurities in the seeds float upwards and are discharged through a waste outlet, and moisture is also discharged accordingly, so that the effects that the seeds are dried while being screened, and the screening efficiency is improved are achieved.

The invention relates to the technical field of grain drying, and discloses a circulating drying grain dryer which comprises a drying oven and a grain distributing assembly slidably arranged in an inner cavity of the drying oven, the grain distributing assembly divides the interior of the drying oven into an upper cavity and a lower cavity, namely a tempering layer and a drying chamber, and a heat conduction plate is assembled on the bottom wall of the drying chamber; a conveying assembly located between the grain distributing assembly and the heat conducting plate is arranged in the drying chamber, a heating assembly is installed at the bottom of the drying oven, an impurity removing assembly capable of connecting the heating assembly with the drying chamber is arranged on one side of the drying oven, and a waste removing assembly located on the periphery of the tempering layer is assembled on the top of the drying oven. A grain receiving hopper used for receiving grain discharged by the drying oven is installed below the heating assembly. Integrated grain drying operation of automatic grain separation, grain dredging and falling and intelligent impurity removal of grains in the drying oven is achieved, namely, during continuous grain separation and drying, a sieve plate is automatically dredged, rice husks mixed in the grains are removed, and continuous and efficient operation of the grain drying operation is guaranteed.

The invention relates to the technical field of drying equipment, in particular to natto production continuous drying equipment which comprises an outer sleeve, an inner sleeve and the like. An inner sleeve is rotationally connected in the outer sleeve; and a storage cavity is formed in the inner sleeve. According to the natto sorting device, natto is guided by the guide pieces to float to the sorting groove, so that the natto is collected into the storage cavity, and excessive drying of the natto is prevented; the natto jumps on the first filter screen through up-down shaking of the first filter screen, so that the natto is prevented from being in contact and bonding with the first filter screen for a long time, and non-uniform drying of the natto bonded on the first filter screen is prevented; the natto drying device has the advantages that the natto is separated under the action of rubbing through the cooperation of a guide sheet and a first filter screen, so that the natto is prevented from being mutually bonded in the drying process, the dried natto is guaranteed to be blown to a storage cavity, and meanwhile, the drying effect on the natto is improved; and the first filter screen is upwards sunken and deformed through the ejector rod, so that sugar substances adhered to the first filter screen are cracked and fall off, and the drying effect of the equipment on natto is improved.

The invention provides a grain drying device, relates to the field of grain drying equipment, and aims to solve the problems of high hot air resistance, high fan energy consumption and high grain drying cost due to the fact that inlet air adopts one-in and one-out downstream flow or countercurrent flow in the conventional grain drying process. In order to solve the problems of low tempering frequency, low drying efficiency and poor grain quality due to adoption of a mixed flow mode in the existing grain drying process, three adjacent rows of corner boxes are adopted as a group, the middle row of corner boxes in the same group forms an air inlet channel, the upper row and the lower row of corner boxes in the same group are exhaust channels, and the thickness of a grain layer between the adjacent rows of corner boxes is reduced, so that the wind resistance is reduced, and the grain quality is improved. A tempering area is formed between every two adjacent corner combining boxes, multiple times of tempering of the grains are achieved, heat is transferred from outside to inside, moisture is transferred from inside to outside more sufficiently, and therefore the quality of the dried grains is guaranteed.

The invention discloses an anti-blocking control system and control method for a grain elevator and grain drying equipment, the anti-blocking control system comprises a first rotating speed detection device and a control device, the first rotating speed detection device is used for detecting the rotating speed of the elevator, and the control device is in signal connection with the first rotating speed detection device and a grain stirring wheel. And the control device is configured to control and reduce the rotating speed of the grain stirring wheel under the condition that the rotating speed of the elevator is determined to be reduced according to the detection result of the first rotating speed detection device, so that unsmooth conveying at the elevator can be relieved or avoided until the conveying returns to normal, the subsequent blockage phenomenon can be avoided without increasing the structure of the elevator, and the production efficiency is improved. The purpose of avoiding cost increase is achieved.

The present invention is directed to a method for combining dehydrofreezing and medium to far spectrum infrared radiation to preserve biological material. IR transfers energy and penetrates food products, thereby removing naturally present moisture. The present invention provides a novel method of combining pH treatment, infrared radiation, freezing, and vacuum-sealing for preserving biological material. Biological materials are preserved through either a pH treatment or with heat to remove harmful pathogens, followed by processing using far spectrum infrared radiation which may be powered by either gas or electric means. The processed materials undergo a freezing process which may be done using Individual Quick Freezing or blast freezing methods The frozen processed material is then packaged via vacuum sealing.

The invention relates to the technical field of grain drying equipment, in particular to a hot air supply device for a low-temperature circulating grain dryer, which comprises an air inlet channel, an air supply device and an angular box, the air inlet channel comprises a tempering channel, a drying channel and a cooling channel; the tempering channel is connected with the upper layer of the tower body; the drying channel is connected with the tower body middle layer; the cooling channel is connected with the lower layer of the tower body; the air supply device is connected with the air inlet channel; the angular box is connected with the tower body; a hot air inlet channel is divided into three layers, the flow speed of hot air in the middle layer is the highest, the circulation area of a drying channel can be automatically reduced along with the increase of the humidity of the exhaust side, the air inlet speed of dry hot air is higher, moisture can be rapidly taken away, the number of horn-shaped boxes for exhaust is larger than that of horn-shaped boxes for air inlet, and the air exhaust amount in unit time is increased; the problem that the drying effect on the side close to an exhaust channel is poor due to the fact that the humidity of the hot air inlet side of the drying chamber is low and the humidity of the exhaust side is high is solved.

The invention discloses a spiral conveying device for grain conveying, and belongs to the technical field of conveyors, the device comprises a machine shell, a rotating shaft, a driving assembly, a spiral blade and an air pipe sleeve, the machine shell is provided with a feeding port and a discharging port which are communicated with a working space, the machine shell is provided with a plurality of through holes, the working space is communicated with the air pipe sleeve through the through holes, and the rotating shaft is arranged in the air pipe sleeve. And the air pipe sleeve is connected with a first fan. When the first fan works, external airflow can be used for conducting air cooling on conveyed grains, the first fan is in full contact with grain particles in cooperation with stirring of the spiral blades, and the cooling effect is good; circulating airflow returns into the machine shell through the short connecting pipe to be matched with airflow entering from the bottom to conduct double air cooling on grain particles, and the overall energy consumption of grain cooling is low; when the electric heating pipe works, airflow entering from the bottom of the machine shell can be heated, conveyed grains are heated through the hot airflow, the hot airflow makes full contact with grain particles, and the temperature rising effect is good; heat conduction of the bottom wall is matched with double heating airflow, and the heating effect on the conveyed grains is good.

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.

The invention relates to a heat pump drying system and a drying control method. The method comprises the steps that real-time operation data in the grain drying process is obtained; performing coupling calculation on the real-time operation data based on a pre-trained grain drying heat pump kinetic model to obtain a drying prediction factor; and according to a comparison result between the drying prediction factor and the real-time operation data, the output power of the heat pump set is dynamically adjusted. Performing coupling calculation on real-time operation data in a grain drying process through the grain drying heat pump kinetic model to obtain a drying prediction factor, and dynamically adjusting the output power of the heat pump group according to a comparison result between the drying prediction factor and the real-time operation data to obtain a drying prediction result. Therefore, accurate identification and accurate judgment of the drying process, the drying degree and the drying effect of the grains are realized, further accurate control of the drying operation of the grains is realized, and the method has wide applicability.

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 invention discloses an automatic feeding rice drying device which comprises a drying tower, the drying tower is formed by fixing two groups of hot air chambers, a preheating layer, a tempering layer and two groups of side baffles, the two groups of side baffles are fixed on the two sides of the hot air chambers respectively, and the two groups of hot air chambers are distributed oppositely; the preheating layer and the tempering layer are fixed to the upper side and the lower side of the hot air chamber correspondingly, and a feeding conveying belt is arranged at the top of the preheating layer; two groups of grain guide plates are arranged on the inner side of the preheating layer, the two groups of grain guide plates oppositely move on the inner side of the preheating layer through a material uniformizing mechanism, the material uniformizing mechanism is arranged on the surface of the outer side of the preheating layer, and the material uniformizing mechanism drives the grain guide plates to move on the inner side of the preheating layer and drives the grain guide plates to conduct angle overturning at the same time; five sets of pushing plates are arranged on the upper portion of the inner side of the tempering layer, the effect that rice is normally laid and fed on the tower top preheating layer can be effectively achieved, and the situation that the rice is blocked in the tempering layer can be effectively prevented.

The utility model provides a grain thickness tidying device for a grain drying tower, which comprises a grain drying tower body, a grain thickness tidying device, a grain thickness tidying device and a grain thickness tidying device, the middle section of the grain containing frame is fixed to the side wall of the grain drying tower body, and the two sides of the grain containing frame are each provided with a grain falling opening; the thickness adjusting assembly is arranged on the upper surface of the grain containing frame; and the grain pushing rod is arranged above the thickness adjusting assembly and moves in the length direction of the grain drying tower body so as to push the grains higher than the thickness adjusting assembly to the grain falling openings, and the grain falling openings are formed in the two sides of the grain containing frame. After the thickness of the grain is adjusted by the thickness adjusting assembly, the grain on the current layer is limited, then the grain falling from the upper portion of the grain pushing rod is pushed into the grain containing frame on the next layer through the grain pushing rod, multi-layer drying can be achieved in the same manner, the thickness of the grain on each layer can be adjusted, and the grain drying efficiency is high.

The invention discloses a fluidized bed dryer with an automatic temperature adjusting function, and relates to the technical field of fluidized bed dryers, the fluidized bed dryer comprises a drying assembly for drying grains, the drying assembly automatically feeds and discharges the grains, and meanwhile, the heating uniformity of the grains during drying is guaranteed; a detection assembly for sealing the top of the drying assembly is detachably arranged at the upper end of the drying assembly, the detection assembly seals the drying assembly to avoid leakage of grains in the drying assembly, and the detection assembly automatically samples and detects the grains in the drying barrel; an air inlet assembly for ventilating the interior of the drying barrel is detachably arranged at the lower end of the drying assembly, the ventilation temperature on the air inlet assembly is automatically adjusted according to the drying degree of grains in the drying barrel, the highest utilization efficiency of heat is guaranteed, meanwhile, drying of the grains is affected by improper temperature, the drying efficiency of the grains is improved, energy is saved, and the energy-saving effect is achieved. And the grains are automatically dried.

The utility model relates to the field of grain processing, and discloses a drying device and a dryer, the drying device comprises a drying unit, the drying unit comprises a first drying layer, a middle tempering layer and a second drying layer which are sequentially arranged from top to bottom, the first drying layer communicates with a first air inlet pipe provided with a first air adjusting door, and the second drying layer communicates with a second air inlet pipe provided with a second air adjusting door; the second drying layer communicates with a second air inlet pipe provided with a second air adjusting door. The tempering unit is communicated with the second drying layer; the control unit is configured to adjust the opening degrees of cold air doors of the first air adjusting door and the second air adjusting door so that the air temperature of the first air inlet pipe can be larger than that of the second air inlet pipe when the grain moisture is larger than or equal to a preset moisture value; and when the grain moisture is smaller than the preset moisture value, the opening degrees of cold air doors of the first air adjusting door and the second air adjusting door are adjusted so that the air temperature of the first air inlet pipe can be close to or equal to that of the second air inlet pipe. According to the drying device and the dryer, the grain quality can be guaranteed, and the drying speed and the drying efficiency can be improved.

The invention discloses an energy-saving damp and hot airflow drying and air supplementing device for grain drying. A damp and hot air opening, a direct air supplementing opening, a hot air supplementing opening, an air return opening and a dehumidification opening are sequentially formed in a shell from bottom to top. The porous core column is installed in the shell and provided with at least one direct air supplementing channel and at least one damp and hot air channel, an air inlet of the direct air supplementing channel is communicated with the direct air supplementing opening, an air outlet of the direct air supplementing channel is communicated with the air return opening, and an air inlet of the damp and hot air channel is communicated with the damp and hot air opening; the breathable heat accumulator is installed in the shell, an air outlet channel of the breathable heat accumulator communicates with an air outlet of the humid and hot air channel and the dehumidification opening, and an air inlet channel of the heat accumulator communicates with the hot air supplementing opening and the air return opening. The device adopts a means of simultaneously storing moisture removal and air supply, does not cause the fluctuation of the pressure of a drying system, and is suitable for large-scale or long-stroke multi-point airflow moisture removal and drying work; in addition, on the basis of the waste heat recovery function, fresh air supplemented to the outside is heated, the heat loss is small, and the utilization rate is high.

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 utility model provides a multi-stage grain drying device, which relates to the technical field of grain multi-stage drying and comprises a box body, a main mesh belt conveying part, a receiving section, a lifting section, a feeding section, a mounting groove, a feeding hopper, a distributing hopper, a spreading plate, a sub mesh belt conveying part, a discharge port, a dehumidifying pipeline and a hot air pipeline, according to the device, the main mesh belt conveying part and the sub mesh belt conveying parts can be stacked, so that the occupied area of the drying device can be reduced, the mounting convenience is improved, popularization and use are facilitated, grains can be effectively prevented from falling to the bottom of the box body through the main mesh belt conveying part and the sub mesh belt conveying parts with different widths, and the grain drying efficiency is improved. Therefore, grains can be stably dried on the main mesh belt conveying part and the sub mesh belt conveying parts, loss of the grains is reduced, the thickness of the grains on the main mesh belt conveying part and the sub mesh belt conveying parts can be controlled according to the moisture content of the grains, and a good drying effect on the grains is ensured.

The utility model belongs to the technical field of rice drying equipment, and provides a rice processing and drying device which comprises a rice drying device frame, a drying mechanism for drying rice in all directions is arranged on the inner side of the frame, a driving mechanism for improving the drying effect of the device is arranged on the outer side of the drying mechanism, and the drying mechanism comprises a drying box and a temperature control assembly. The driving mechanism comprises a motor and a stirring assembly for stirring rice to improve the drying effect when the rice is dried; according to the rice drying device, the driving mechanism is matched with the drying mechanism to synchronously conduct drying work, the drying work performance of the device is further improved, when the drying mechanism provides drying work for rice, a motor, a driving shaft and stirring blades arranged in the driving mechanism are matched to work so that the rice in the drying box can be stirred, and the drying efficiency is improved. And the situation that the innermost layer of rice cannot be dried when the rice is dried is prevented, it can be guaranteed that the rice in the box can be dried by stirring the rice, the device can dry the rice in an all-around mode, and the drying effect is good.

The utility model belongs to the technical field of drying equipment, and particularly relates to a ventilation structure of a multifunctional dryer. An upper air pipe is arranged at the top of an inner cavity of the shell, a lower air pipe is arranged at the bottom of the inner cavity of the shell, an air outlet of the fan is connected with the upper air pipe and the lower air pipe through a three-way pipe, the three-way pipe comprises an upper air pipe, a lower air pipe and an air inlet pipe, the upper air pipe is connected with the upper air pipe, the lower air pipe is connected with the lower air pipe, and the air inlet pipe is connected with the air outlet of the fan. The upper air pipe and the lower air pipe are provided with gate assemblies for controlling ventilation of the upper air pipe and the upper air pipe and ventilation of the lower air pipe and the lower air pipe respectively, and the side walls of the upper air pipe and the lower air pipe are provided with a plurality of ventilation openings for ventilation towards an inner cavity of the shell in the length direction of the upper air pipe and the lower air pipe. The drying device can guide hot air flow and is good in drying effect.

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 provides a processing method of long-term stored food, and belongs to the technical field of food preservation. The invention provides a processing method of long-term storage food, which comprises the following steps: freeze-drying food at low temperature to obtain freeze-dried food; the freeze-dried food is irradiated, and sterilized food is obtained; and carrying out vacuum treatment on the sterilized food to obtain the food capable of being stored for a long time. According to the treatment method provided by the invention, the structure change of the food subjected to low-temperature freeze-drying is more beneficial to irradiation uniform penetrating sterilization, and the irradiated food can better avoid quality deterioration caused by oxidation reaction in a vacuum environment. The result of the embodiment shows that the processing method provided by the invention can efficiently control the number of microorganisms in the food for a long time, maintain the color and luster of the food, maintain the sensory quality of the food and maintain the nutritional ingredients of the food.

The invention discloses a grain drying system and a grain drying process. The grain drying system comprises a conveying system, a drying system and a warehousing system, the conveying system comprises a plurality of grain unloading pits, a drum screen and a plurality of wet granaries, the first elevator transfers grains in the grain unloading pits into the drum screen, the second elevator transfers unprocessed grains treated by the drum screen to the first belt conveyor, and the first belt conveyor transfers unprocessed grains provided by different grain unloading pits into the corresponding wet granaries; the drying system comprises a dust removal chamber, a plurality of grain drying machines and a grain feeding scraper arranged in the dust removal chamber, the second belt conveyor receives unprocessed grains output by the wet granary, and the third elevator receives the unprocessed grains on the second belt conveyor and transfers the unprocessed grains into the corresponding grain drying machines according to different wet granaries; the warehousing system comprises a dry granary, the in-granary transportation mechanism transfers grains in the grain dryer into the dry granary, and the out-granary transportation mechanism transfers the grains in the dry granary into the grain transport vehicle. The grain drying device can improve the grain drying efficiency.

The invention provides low-GI healthy hulless oat premixed dumpling flour without starch-containing wheat flour and a preparation method of the low-GI healthy hulless oat premixed dumpling flour, and belongs to the technical field of food processing. According to the premixed flour, hulless oat flour is used as a main material, buckwheat flour, soybean meal, sesame powder, multiple kinds of protein (soybean protein, vital gluten and egg white protein) and konjaku flour, flaxseed powder, radix puerariae powder, semen cassiae powder and other natural ingredients are matched, and the boiled dumpling wrappers are prepared through the processes of scientific raw material matching, mixing and smashing, drying and the like. The technical problems that dumpling wrappers made of high-proportion hulless oat flour are difficult to form, are not resistant to boiling and are not formed when the wrappers are broken during boiling under the condition that wheat flour containing starch, edible gum and the like are not added are solved, and the formability, the chewiness, the elasticity and the ductility of the dumpling wrappers are remarkably improved. The product has the characteristic of low glycemic content and good processability, and is suitable for diabetics and healthy diet demanders.

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.