236results 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.

A modular, low-profile apparatus for storing dry agricultural products has a horizontal configuration with coaxial aeration tubes and bi-directional distribution and dispensing augers. The apparatus provides access to dry agriculture products for storing, mixing, aerating, loading, unloading and processing.

The present application discloses a grain drying device, including a support frame, a drying box, a conveying device, a lifting device, a spiral conveying device, a heating component and a control system, wherein the drying box is arranged on the support frame, a vent is arranged at the top of the drying box, the conveying device is arranged on the support frame, and the output end of the conveying device extends into the drying box; the lifting device is vertically arranged in the drying box, and the bottom of the lifting device is connected with the output end of the conveying device; the spiral conveying device is arranged spirally around the lifting device, and the top of the spiral conveying device is connected with the top of the lifting device, and the bottom of the spiral conveying device is connected with the output end of the conveying device, wherein a downwardly inclined discharge pipe is arranged on the drying box and below the top of the spiral conveying device. Thus, the grain to be dried can be quickly and fully contacted with the heated air in a short time, effectively shortening the drying time, improving the drying efficiency, and thus effectively saving energy consumption and cost.

The invention relates to the technical field of grain drying equipment, in particular to a low-temperature recycling type efficient energy-saving grain drying machine which comprises an air inlet channel, an air outlet channel, a rotational flow filtering mechanism and an adsorption filtering mechanism. The air inlet channel is connected with an air inlet system; the air outlet channel is connected with an exhaust system; the rotational flow filtering mechanism is arranged in the air outlet channel; the adsorption filtering mechanism is connected with the rotational flow filtering mechanism; water and dust particles in high-temperature waste gas are separated and then directly introduced into the evaporator, the evaporator is heated and then introduced into the heat exchanger to be heated, the filtered and heated gas flows through the outer surface of a channel where the waste gas passes, and redundant heat of the filtered and heated gas is transferred to the waste gas; waste heat recovery is achieved, and the temperature of gas entering the drying tower is controlled to be appropriate; the problems that when dust exists in grains, dried damp and hot waste gas carries the dust to be discharged, and the heat exchange efficiency is gradually reduced when the waste gas carrying the dust is recycled are solved.

The invention relates to the technical field of pet food processing, and discloses surrounding hot air slow drying equipment for pet food processing and a three-section type baking method.The surrounding hot air slow drying equipment for pet food processing comprises a drying box, a hot air drying unit is installed at the bottom in the drying box, and a circulating conveying unit is installed in the drying box; a plurality of drying frames are evenly distributed on the circulating conveying unit, material overturning mechanisms are arranged in the drying frames, positioning assemblies are installed in the drying box, and the material overturning mechanisms and the positioning assemblies are matched to be used for overturning raw materials in the drying frames. Food particles on the drying frame are turned over by moving a turning plate in the drying frame, meanwhile, an arc-shaped plate and a second fixing plate are matched to enable the food particles to be scattered in an S shape, damage to the food particles is avoided, meanwhile, the contact face of the food particles and hot air is replaced, and the drying effect is improved while the pet food yield is increased; through the three-stage baking process, the gelatinization degree of the baked grain starch of the pet food can be increased to 90% or above, and digestion and absorption are facilitated.

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.

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.

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 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 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 discloses a rotary drum type grain hot air dryer. The grain drying device comprises a roller, a variable speed motor, a dip angle adjusting device, a control box, a rack and the like. The roller is divided into an outer layer and an inner layer, the outer layer of the roller is fixed to the rack through a supporting rotating shaft and connected with the balls, the roller is driven to rotate through a variable-speed motor, and the inner layer of the roller is of a hole-shaped structure. Anti-skid ribs are arranged on the inner layer of the roller, so that the slipping phenomenon generated in the process that grains are in contact with the inner wall can be reduced; the shoveling plate is welded at the tail end of the roller inner layer, so that grains are uniformly distributed in the drying process; the variable-speed motor is connected with the roller through a conveying belt and provides power for the dryer to drive the roller to rotate. A hot air drying device in the control box provides a heat source for the dryer, and an exhaust fan at the tail of the roller facilitates removal of damp and hot air; one end of the inclination angle adjusting device is connected with the roller, and the other end is connected to the rack; the control box is responsible for monitoring movement, temperature, humidity, drying time and the like during grain drying in real time.

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.

In a method of energy-efficient drying of green malt (2) in a kiln (1) with the aid of a speed-modulated ventilator (3) for passage of a mass flow of air (4) through a drying material bed (2.1) of the green malt (2), it is envisaged that the drying is conducted over a defined maximum kiln-drying time (tmax). Detected for this purpose are a cereal moisture content (Hg) and a cereal mass (Mg) of a cereal (2.2) which, after softening (5) and germinating (6), forms the basis for the drying material bed (2.1) of the green malt (2). Also detected are an ambient air humidity (Hl) of ambient air (7) used for the mass flow of air (4) and a number of weather forecast data (W1, W2) at least with regard to the ambient air humidity (Hl), and, during the drying, a drying material moisture content (Ht) of the green malt (2) down to a defined limit (Gt), wherein, on the basis of the cereal moisture content (Hg), the cereal mass (Mg), the ambient air humidity (Hl), the number of weather forecast data (W1, W2) with regard to the ambient air humidity (Hl) and based on the drying material moisture content (Ht) of the green malt (2), modulation of the speed of the ventilator (3) is undertaken so as to achieve and / or comply with the defined maximum kiln-drying time (tmax).

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.

The invention relates to the technical field of grain drying, in particular to a high-wind-power low-temperature recyclable grain drying machine which comprises a combustion furnace, a fan, a discharge hopper, a drying bin and an elevator and further comprises an electric push rod, an outer cover, an inner pipe, an angular box, a turbulent flow rod, a supporting assembly, a shielding plate and an adjusting assembly. The outer cover is arranged in the drying bin in an attached mode, the inner pipe is fixedly arranged in the outer cover in a penetrating mode, the angular box is arranged in the inner pipe in a penetrating mode, and exhaust screen holes are formed in the side wall of the angular box. According to the invention, through the arrangement of a shielding plate and a turbulent flow rod, the lower end caliber of an exhaust sieve hole can be adjusted when grain particles with different sizes are dried, so that the exhaust effect is improved, the inner side and the outer side of the angular box can be protected at the same time, the diffusion effect of hot air is improved while the structural strength of the angular box is ensured, and the service life of the angular box is prolonged. And the condition of drying dead angles is avoided, and the drying efficiency of the dryer is effectively guaranteed.

The drying equipment comprises a bearing table, a shielding box arranged at the top of the bearing table, the shielding box and the bearing table are matched to form a cleaning box for water separation of seed particles, a water injection pipe is installed at the top of the shielding box, a centrifugal barrel is arranged at the top of the bearing table, and a pneumatic assembly is arranged on the bearing table. The top cover assembly is arranged in the shielding box and used for shielding and limiting the centrifugal barrel, and the heating unit is arranged at the bottom of the bearing table. By means of the arrangement mode that the bearing table, the shielding box, the water injection pipe, the centrifugal barrel, the top cover assembly, the pneumatic assembly and the heating unit are matched, the shielding box and the bearing table are in butt joint to form a cleaning box, seed particles can be cleaned and subjected to impurity removal under the action of the pneumatic assembly and the centrifugal barrel, the shielding box drives the top cover assembly to ascend, and the cleaning effect is improved. And the centrifugal cylinder can be directly taken down, and the seed particles in the centrifugal cylinder can be taken out.

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.