56 results about "Grain drying" patented technology

This utility model relates to a material discharge structure for a grain drying channel in a grain discharge section, including a hopper. Multiple grain discharge channels are horizontally arranged at equal intervals above the hopper. Each grain discharge channel has a trapezoidal groove suspended in its upper center. One end of the bottom surface of the trapezoidal groove has multiple material discharge holes evenly spaced along its long axis, and the other end has a stroke hole along its long axis. A control valve plate is attached to the bottom surface of the trapezoidal groove. The control valve plate has valve holes at equal intervals along its long axis, the same number as the material discharge holes, but staggered. A pull rod is suspended directly below the bottom surface of the end of the trapezoidal groove facing the stroke hole. A guide gasket is axially fitted onto the pull rod, and the guide gasket is perpendicularly connected to the bottom surface of the corresponding end of the trapezoidal groove. The outer end of the pull rod passes through the end wall of the corresponding grain discharge channel, and its inner end is connected to a linkage frame located directly below the stroke hole and connected to the control valve plate. This utility model can effectively solve problems such as material accumulation and blockage, and improve drying efficiency and uniformity.

The utility model provides a multi-layer sieve plate mechanism for a grain drying and preheating fluidized bed. An upper-layer sieve plate, a material sliding plate and a lower-layer sieve plate are sequentially arranged in a preheating box from top to bottom; an air sweeping box is arranged above the material sliding plate; the upper-layer sieve plate is obliquely arranged at the top of the upper-layer air bellow; the lower-layer sieve plate is obliquely arranged at the top of the lower-layer bellows; the material sliding plate is obliquely arranged in the preheating box; an air chamber pattern plate is arranged at the bottom of the air sweeping box; the air chamber pattern plate is parallel to the material sliding plate; a plurality of air outlets are uniformly formed in the surface of the air chamber pattern plate; and each air outlet is connected with a blowing pipe. Through the arrangement of angles among the upper-layer sieve plate, the material sliding plate and the lower-layer sieve plate, sufficient heat exchange between grains and hot air is ensured, forward throwing force is generated by the grains due to the arrangement of the angles, and the grains are ensured to move forward regularly and orderly; and the grain preheating stability is ensured.

The application discloses a multi-crop grain drying device and a control method, and belongs to the field of grain drying machines. The device comprises a roller, a heating plate and a fan one. The device is provided with a roller cabin, a warm air cabin and a fan cabin. The warm air cabin is in communication with the fan cabin and the roller cabin. The warm air cabin is fixedly provided with the heating plate. The fan cabin is fixedly provided with the fan one. A filter plate is arranged between the warm air cabin and the roller cabin. The filter plate is uniformly provided with through holes one. A movable partition plate is arranged between the warm air cabin and the fan cabin. Compared with the prior art, the drying device has the advantages of compact structure, small size, household electric drive remote control and multi-crop grain drying. The device can absorb normal temperature air, reduce the dependence on environmental condition changes, and has universality. The device can adjust the warm air direction, and the fan can drive rotation to distribute air flow in the cabin.

This invention discloses a grain dryer with humidity control, relating to the field of grain drying technology. Specifically, it includes a drying tower with a supporting base plate fixedly connected to its bottom. The drying tower contains a drying assembly, which includes a drying unit, a lifting unit, a humidity control unit, a delay unit, and a transmission unit. The humidity control unit includes a protective sleeve, inside which an electrically heated mesh is fixedly installed. This grain dryer heats the grain using the electrically heated mesh, and, in conjunction with an exhaust fan and a guide fan unit, discharges the moisture-laden air, enabling rapid drying of the grain. A humidity detection ring monitors the humidity of the heated grain, facilitating control over its moisture content. The grain is heated evenly throughout, and as it rises within the drying mesh, it vibrates continuously during this ascent, concentrating the heating and ensuring effective drying.

The utility model relates to the technical field of grain processing production, and disclose a kind of waste heat recovery evaporation tank for grain drying, including evaporation tank box, the evaporation tank box one end two two symmetrical rotation installation has evaporation tank door, the utility model is provided with waste heat recovery tank and heat exchange pipe body, can effectively recover high-temperature waste heat generated in the process of grain drying, and it is used for heating water and other media, and the water medium after heating can be used in other production links of enterprise, such as heating, hot water supply etc., greatly improve energy utilization efficiency, reduce the energy consumption cost of enterprise, simultaneously by being provided with telescopic air cylinder, rotary motor and cleaning brush structure, the outer wall of heat exchange pipe body can be effectively cleaned, avoid the case of preventing dust and other impurities from adhering on heat exchange pipe body and affecting heat exchange effect, further improve the service life of heat exchange pipe body.

The utility model discloses a continuous grain drying and threshing device relates to grain drying technical field, including base, the top fixed mounting of base has the support, the top fixed mounting of support has the drying mechanism. The utility model adopts above -mentioned structure, through setting up hot -blast component, with mounting panel fixed hot -blast machine, cooperate and supply hot -blast pipe with hot -blast hopper, make hot -blast can continue even send into drying cylinder, set up agitating component simultaneously, and first motor drives the rotation of pivot and drives the rotation of material -turning net board, makes grain fully turn over to prolong hot -blast contact time, still through the side arm of plugging component, second motor, the cooperation annular support fixed track and support slide block make plugging board stable sealing discharge chute reduce hot -blast leakage, and then promote drying efficiency, guarantee grain drying even, and the support is combined and supports and realizes continuous operation, solves the low drying efficiency in the prior art, and grain is unevenly heated, and hot -blast is easy to leak, and the overall production efficiency is low to the problem that traditional equipment divides the stage operation.

1. The name of the design product: vertical and horizontal ventilation corner box module structure. 2. The use of the design product: used in grain drying equipment to form air flow channel, improve drying efficiency. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

This invention provides a waste heat recovery system and method for high-temperature steel billets based on phase change heat storage. A downcomer is arranged on the outer wall of the cooling chamber, with its first end connected to the boiler drum and its second end connected to a water collection tank. The inner cavity of the water-cooled wall is connected to both the boiler drum and the water collection tank. A heat-conducting oil radiant heat exchanger connected to a medium-temperature phase change heat storage device is arranged in the upper part of the cooling chamber. A flue connected to the cooling chamber is arranged above the steel billet inlet / outlet channel of the cooling chamber. A hot water tube bundle, a feedwater preheater, an air preheater, and an air filter are arranged sequentially within the flue. The outlet of the air preheater is connected to the air duct of the cooling chamber via a pipeline. A cold water source is connected to the feedwater preheater. The outlet of the feedwater preheater is connected to the inlet of the hot water tube bundle. The outlet of the hot water tube bundle is connected to the boiler drum. The outlet of the air filter is connected to a grain drying tower via an induced draft fan. This invention realizes the reuse of waste heat from high-temperature steel billets.

This invention relates to the field of grain drying technology and discloses a portable heat pump grain dryer, including a base. A drying assembly is mounted on the top of the base. The drying assembly includes a receiving hopper, the bottom of which is fixedly connected to the top of the base. Sleeves are evenly installed inside the receiving hopper, and a piston is slidably connected inside the sleeves. A movable rod is fixedly connected to the top of the piston, and a drying tank is fixedly connected to the top of multiple movable rods. A spring is fixedly connected between the top of the piston and the inner wall of the top of the sleeve. A spiral hopper is fixedly connected to the inner wall of the drying tank. Through pump operation, hot air is evenly distributed to each set of branch pipes. Air nozzles at the top of the branch pipes blow the hot air evenly into the spiral hopper of the drying tank. The drying tank is in a reciprocating vibration state, causing the grain inside the spiral hopper to continuously tumble, ensuring full contact between the hot air and the grain, achieving rapid and uniform drying.

This invention provides a graphene far-infrared combined hot air grain drying device, including a housing and a feeding section fixed to the upper part of the housing. The housing has an upper aeration plate, a sliding plate, and a lower aeration plate arranged at an incline. Grain enters the housing from the feeding section and slides down the upper, sliding, and lower aeration plates in a serpentine pattern. An infrared heating device is fixedly connected to the upper end of the upper aeration plate. The infrared heating device includes several vertically arranged plates, each with a working surface covered with graphene material. This invention combines infrared and hot air. After entering the housing, the grain is propelled downwards along the plates by hot air passing through the airflow plates, drying the grain during this process. This not only accelerates moisture removal but also ensures the integrity of the grain, effectively preventing cracks after drying and reducing the rate of grain breakage.

This invention provides a sensor data analysis method and system for grain drying towers, belonging to the field of sensor equipment technology. Specifically, it includes: determining a construction method for a basic building group within a monitoring group by utilizing sensor equipment data in a matched monitoring group, as well as the deviation between simulation data and monitoring data from different sensor equipment; determining activation processing strategies for sensor equipment of different grain types based on the correlation between the basic building group data, simulation deviation data in the basic building group, and the matched monitoring group; updating risky devices based on the activation processing strategies; and determining a monitoring analysis and optimization method for sensor equipment using the update processing results of risky devices and the activation processing strategies for different grain types, thereby improving the operational reliability of the sensor equipment.

The application discloses a multivariate cooperative drying control method and system based on a large model. Working condition data of a drying cavity are collected and subjected to synchronous normalization processing to establish a working condition benchmark matrix, temperature and humidity coupling deviation and heat and mass cross disturbance characteristics are identified, and standard operation parameters are formed through variable differentiation calibration; the standard operation parameters are input into a large model to infer and obtain inference decision weights, the working condition benchmark matrix is weighted and mapped to generate a coupling response graph; a drying joint regulation benchmark is established based on the coupling response graph, multibatch difference detection and working condition disturbance elimination are performed to determine a regulation credible boundary, and an abnormal working condition is screened to form a control deviation record group; the standard operation parameters and the drying joint regulation benchmark are subjected to time sequence correlation analysis to obtain a regulation iteration factor, the control deviation record group is subjected to drying grade labeling according to the regulation iteration factor, and finally, a temperature, humidity and wind cooperative control instruction is output, so that adaptive cooperative control of a grain drying process under multivariate coupling dynamics is realized.

The application discloses a kind of integrated grain low-temperature circulation continuous drying method, belong to grain drying technical field, comprising: feeding and homogenization;Low-temperature circulation drying and on-line identification drying stage;Obtain moisture removal efficiency of each round of drying;According to surface moisture change rate and speed reduction stage, judge the necessity of slow recovery;In slow recovery section, adopt database matching method, with grain variety, cycle round, internal moisture gradient and drying stage as query key, retrieve and correct output initial slow recovery duration;Through multi-round closed loop feedback, according to last round moisture removal efficiency, adjust actual slow recovery duration and drying parameters of this round;Cooling and discharging.The application is based on real-time moisture change and drying stage self-adaptive trigger slow recovery, utilizes database matching and round feedback dynamic optimization slow recovery duration, realizes the intelligent closed loop control of drying-slow recovery timing, effectively reduces grain breakage rate and burst rate, improves drying efficiency and multi-species applicability.

The utility model relates to the technical field of grain drying, and disclose a kind of grain dryer that can be dried evenly, including drying bin, the side outer wall of drying bin is fixedly installed with air duct, the sidewall of drying bin is perforated with multiple ventilation slots, and the inside of drying bin and air duct is communicated, the outer wall of drying bin is fixedly installed feed cylinder above air duct, and the bottom surface of drying bin is fixedly installed with discharge cylinder.In the utility model, by setting the discharging plate of multiple layers staggered in drying bin, and by eccentric wheel swing of discharging plate driven by rotation, the movable end of discharging plate is periodically lifted or put down by the rotation of eccentric wheel, so that each layer of discharging plate produces regular swing, and the movement path and residence time of grain in drying bin are greatly extended when discharging plate swings, so that different positions of grain can obtain sufficient and relatively equal hot air drying treatment, and finally reach uniform drying state when discharging from the lowermost layer of discharging plate through discharge cylinder.

This invention discloses a continuous grain drying device, comprising a housing and a heating mechanism. The housing, from top to bottom, includes a grain storage section, a drying and tempering section, a cooling section, and a grain discharge section. The top of the grain storage section has a drying inlet, and the bottom of the grain discharge section has a drying outlet. The drying and tempering section includes multiple drying and tempering zones arranged vertically, each zone comprising a drying zone and a tempering zone. Each drying zone is equipped with an air inlet guide assembly and an air outlet guide assembly. The heating mechanism includes a heating main unit, a main heating pipe, and branch heating pipes. The hot air inlet of the main heating pipe is connected to the heating main unit. The air outlet of the branch heating pipe is connected to the air inlet guide assembly of the corresponding drying zone, and the air inlet of the branch heating pipe is connected to the hot air outlet of the corresponding main heating pipe. This continuous grain drying device solves the technical problem of existing circulating dryers, which require multiple lifting and circulating of grain for drying, easily leading to energy waste.

This invention discloses a method for preparing a calcium-based high-temperature heat-conducting fluid, relating to the field of heat transfer technology for grain drying equipment. The method includes the following steps: S1: Dissolving samarium bromide and calcium chloride in deionized water to obtain a basic solution; S2: Dissolving venereal gum in deionized water, then sequentially adding sodium dodecylbenzenesulfonate, triethanolamine, a composite corrosion inhibitor, a scale remover and preservative, and sodium silicate, stirring to dissolve and obtain an auxiliary agent solution; S3: Combining the basic solution and the auxiliary agent solution, adding nano-titanium dioxide, and dispersing thoroughly and evenly; S4: Adding dimethyl silicone oil and stirring to defoam, obtaining the calcium-based high-temperature heat-conducting fluid. The advantages of this invention compared to existing technologies are: providing a calcium-based high-temperature heat-conducting fluid with good high-temperature stability, high heat transfer efficiency, and ease of preparation and application, along with its preparation method and application in grain drying heat pipes.

This invention relates to the technical field of humidity monitoring in grain drying towers, and discloses a constant-heat circulation total heat recovery grain drying tower humidity monitoring system, comprising: a preheating component, including an upper tower body, a box body disposed on the upper tower body, and a preheating component disposed within the box body; a drying component, including several stacked drying tower bodies, a circulation box body disposed on each drying tower body, and a circulation component disposed within the circulation box body; and a cooling component, wherein the cooling component is disposed at the lower end of several drying tower bodies, and a cooling component is disposed at the cooling component. The preheating component, drying component, and cooling component work together to achieve preheating and heating of the grain, constant-heat drying, total heat recovery, and cooling discharge. Moreover, this invention first proposes a constant-heat circulation drying process and drying characteristics, overcoming the shortcomings of existing technologies such as large temperature difference between upper and lower layers and incomplete utilization of waste heat.

The application discloses a kind of environmental protection treatment and waste heat recycling device of grain drying exhaust gas, it is related to grain drying environmental protection energy-saving technical field, including waste gas collection, water mist spray dust removal, cyclone adsorption depth dust removal, heat pump heat recovery, heat energy circulation transport and automatic control component, each component seal communication forms integrated system.The application realizes waste gas deep purification by double dust removal, and low-grade waste heat is recycled by heat pump and is used for grain drying, with dust removal efficient, waste heat recovery rate is high, compact structure, stable operation, energy saving and environmental protection and the like advantages, it is suitable for all kinds of grain drying equipment matching use, effectively solve the problem such as dust removal of traditional technology not up to standard, waste heat waste, system poor stability etc..

This utility model relates to the field of grain drying technology and discloses a dual-mode configuration drying equipment integrated device, including a drying tower. Drying chambers are arranged on both the left and right sides of the drying tower. Heat recovery mechanisms are installed on both the left and right ends of the front side of the drying tower. These heat recovery mechanisms are used to dry the grain inside the drying tower. A hoist is fixedly connected to the front side of the drying tower, and a debris blocking mechanism is installed at the output end of the hoist. This debris blocking mechanism is used to prevent external debris from entering the interior of the drying tower during non-feeding periods. In this utility model, the hot airflow generated by dryer one enters the drying chamber through a hot air duct from outlet one, and part of the hot airflow is returned for recycling through the return port. The hot airflow from dryer two enters from outlet two and flows upwards from the bottom, forming convection with the former, achieving uniform grain drying, improving heat exchange efficiency and energy utilization, ensuring uniform drying effect and reasonable energy consumption.

This invention relates to the field of grain air-drying technology, specifically a grain discharge structure for a grain air-drying silo. The unloading pallet assembly includes several sets of fixed pallets relatively fixed to both sides of the inner wall of the grain discharge section frame. A flip-over pallet is detachably and rotatably connected between the fixed pallets in the same set. An adjustable latch, which can be quickly locked or released, is provided between the free end of the flip-over pallet on the side facing away from the grain discharge channel and the side wall of the grain distribution plate. Multiple horizontally arranged grain discharge plates are fixed along the length of the grain discharge section frame, positioned above and staggered with the grain distribution plates. This invention solves the problems of cumbersome pallet adjustment and disassembly, numerous parts, and inconvenient operation in emergency situations in traditional grain discharge structures. It achieves rapid locking, releasing, and flipping adjustment of the pallets, significantly improving the convenience and efficiency of operation and maintenance.

1. Name of the product in this design: Grain Drying and Leveling Vehicle. 2. Purpose of this design: For use in drying piled-up grain. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The utility model discloses a kind of grain heat pump drying devices with adjustable wind speed, including drying tower, mounting mechanism, operating mechanism and auxiliary assembly, the mounting mechanism includes heat pump, rotating rod, clamping block, fixed frame and connecting frame, the operating mechanism includes inlet bin, cover board, material control valve and exhaust pipe, the auxiliary assembly includes motor, rotating shaft and air volume control valve, under the mutual cooperation of above mechanism, the device fast installation design can greatly shorten equipment deployment time, especially suitable for seasonal strong grain drying operation, reduce downtime loss, in addition, the device blocking net effectively prevents lightweight grain particles from being carried out by airflow, directly saves economic cost.

This invention proposes a grain drying tower with dual upper and lower fans operating in a convective manner, belonging to the technical field of agricultural crop drying equipment. It solves the problems of uneven drying, high energy consumption, and poor adaptability inherent in traditional grain drying towers that mostly use unidirectional airflow. It includes a tower body, ventilation ducts, an upper fan, and a lower fan. The upper and lower fans are respectively arranged at the top and bottom of the tower body. The ventilation duct is longitudinally arranged at the center of the tower body, with its top end connected to the upper fan and its bottom end connected to the lower fan. Ventilation holes are evenly distributed on the surface of the ventilation duct. The top and bottom walls of the tower body are airtight structures, while the circumferential side walls are permeable structures. It is mainly used for drying various grain crops.

This system provides an abnormal combustion monitoring system for multiple grain dryers that can quantitatively monitor abnormal combustion in the furnace without relying on the operator's intuition, while keeping costs down. [Solution] The abnormal combustion monitoring system 1 comprises first to eighth inlet pipes 4A to 4H, a measuring tube 5, a gas concentration measuring unit 6, first to eighth on-off valves 7A to 7H, and a control panel 8. This allows for quantitative monitoring of abnormal combustion in the furnace for the first to eighth grain dryers 2A to 2H, without relying on the operator's judgment, while suppressing cost increases.

The utility model relates to grain drying equipment technical field discloses a multilayer drying mechanism based on grain dryer, including hot blast furnace and elevator seat, the top of hot blast furnace is provided with multilayer drying mechanism, and multilayer drying mechanism is used to carry out gradually drying to grain, the top of elevator seat is provided with inlet and outlet mechanism, and the bottom of multilayer drying mechanism is provided with circulating mechanism, the multilayer drying mechanism includes hot blast pipe, the front side bottom of hot blast pipe is communicated at the top right side of hot blast furnace, the rear side of hot blast pipe is connected with air regulator box, the rear side fixed connection of air regulator box has the fan, and the top communication of fan has the air supply pipe. In the utility model, the drying cavity formed by the slow recovery board is introduced into the two sides from the middle part of the drying bin through the hot blast, uniformly diffuses and contacts with the falling grain, realizes the uniform drying of grain, adapts the demand of different grain, improves the drying quality and efficiency, and reduces the grain breakage rate.

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

The utility model relates to drying tower grain feeding technical field discloses a kind of grain drying tower grain feeding automatic flow divider, including cabinet, the outside fixed connection of cabinet has in-out material assembly, the top inner wall of cabinet is equipped with collecting hopper by thread fastener, the inner wall of cabinet is equipped with pin shaft by rolling bearing, the top fixed connection of pin shaft has distributing plate, the top both sides of distributing plate are equipped with nylon plate by thread fastener, and the in-out material assembly includes grain feeding chute, the bottom fixed connection of grain feeding chute is in the top of cabinet, the bottom left end fixed connection of cabinet has left grain outlet chute, the bottom right end fixed connection of cabinet has right grain outlet chute. In the utility model, through self-adapting adjustment mechanism, the automatic balance of grain flow is realized, effectively ensure the uniform distribution of grain, distributing plate is automatically adjusted according to grain column flow condition, and the hidden danger of uneven flow is eliminated.