522 results about "Stored grain" patented technology

The invention discloses a granary design method and device based on a three-dimensional model, equipment and a storage medium, and the design method comprises the steps: obtaining the original feature information of a target granary, carrying out the preprocessing of the original feature information, and obtaining the feature information after preprocessing; based on the preprocessed feature information, generating a three-dimensional model of the target granary by using a building information model technology; obtaining a target granary design model matched with the three-dimensional model from a pre-stored model database; performing a simulation test on the target granary design model to obtain a simulation test result at least including grain storage safety, full life cycle cost and extreme working condition adaptability; and judging the simulation test result according to a preset judgment standard. According to the method, multiple technologies are fused, granary design data are accurately collected, three-dimensional modeling, simulation evaluation and scheme optimization are realized through intelligent algorithm processing, the grain storage safety can be greatly improved, the cost is reduced, and the design efficiency and quality are improved.

An intelligent grain storage control system based on a wireless sensor network comprises a grain storage environment monitoring subsystem which comprises a plurality of sensor arrays used for monitoring at least one grain storage environment parameter; the grain condition early warning subsystem is used for processing all the grain storage environment parameters by using a deep belief network and a long-short term memory network to obtain a real-time grain condition state; the intelligent control subsystem is used for generating an equipment control instruction according to the real-time grain condition state; and the overrun execution subsystem comprises a plurality of environment control devices, and the environment control devices are used for operating according to the device control instructions to change the environment of the grain depot. According to the invention, the grain storage environment parameters in the grain depot can be more flexibly collected, and the real-time grain condition state is predicted through the grain condition early warning model comprising the deep belief network and the long-short term memory network based on the grain storage environment parameters, so that the grain depot environment can be controlled with high precision, and full protection of grains is realized.

The intelligent fumigation warehouse inspection robot comprises a propelling frame, a bottom frame and a releasing frame which are connected in sequence, a medicament outer box is installed in the middle of the upper surface of the bottom frame, and a control panel is embedded outside the medicament outer box; the intelligent fumigation in the granary is jointly realized by taking a measure of combining continuous medicament loading and fixed-point medicament distribution, and targeted and accurate medicament application is performed through intermittent release and fixed-point medicament distribution after medicament loading, so that the fumigation effect in the granary is unified; in combination with parameter measurement of a gas fumigation comprehensive value and a pesticide application point position distribution value, the distribution condition of fumigation point positions and the distribution condition of the pesticide amount in the current granary are judged according to a granary patrol fumigation coefficient, and the distribution positions of the fumigation point positions and accurate infusion of the pesticide amount are correspondingly controlled; the problems that due to season change and grain condition parameter change, the concentration of phosphine gas in a granary is not uniform, and pesticide application accuracy is limited are solved, and grain storage safety is greatly guaranteed.

The invention relates to the technical field of grain and fertilizer transportation, in particular to a fertilizer and grain transfer vehicle which comprises a vehicle head, a vehicle body and a compartment with a compartment cover at the top, the middle of the compartment is divided into a grain storage bin and a fertilizer storage bin through a partition plate capable of transversely moving, and grain and fertilizer can be stored at the same time when the partition plate moves to the middle. When moving to the rightmost / leftmost end, switching to a pure grain / fertilizer storage mode; a ventilating shutter fan is arranged at the top of the grain storage bin, sealing folding cloth is arranged at the top of the fertilizer storage bin, the grain storage bin and the fertilizer storage bin are opened and closed in a linkage mode along with movement of the partition plate, the compartment is divided into the grain storage bin and the fertilizer storage bin through the transversely-movable partition plate, and the space proportion of the grain storage bin and the fertilizer storage bin can be freely adjusted when the partition plate moves. When the partition plate is located in the middle, grains and fertilizer can be stored at the same time; the pure grain storage mode is switched when the vehicle moves to the rightmost end, and the pure fertilizer storage mode is switched when the vehicle moves to the leftmost end, so that the capacity requirements on two types of goods in different transportation scenes are met, space waste caused by single goods transportation is avoided, and the universality and the transportation efficiency of the vehicle are remarkably improved.

The invention relates to the technical field of grain storage ventilation control, discloses an air volume dynamic adjusting method and device of a grain storage ventilation system, and aims at solving the problem that an existing grain storage ventilation control mode is poor in accuracy. Comprising grain layer average temperature gradient, average grain temperature, average grain temperature difference between an air inlet layer and an exhaust layer, grain pile balance desorption absolute humidity under instant grain temperature and instant atmospheric absolute humidity; the state index of each grain pile partition is calculated in real time, the corresponding target ventilation quantity is determined, and the corresponding air valve is dynamically adjusted to the target opening degree corresponding to the target ventilation quantity; and when the grain pile partition is ventilated according to the target opening degree, the ventilation wind speed is calculated in real time, the moisture evaporation rate of the grain pile partition is calculated in real time based on a Penman-Monteith equation, and the target ventilation quantity is dynamically corrected according to the moisture evaporation rate. The accuracy of grain storage ventilation control is improved, and the method is particularly suitable for granaries in complex climate areas.

The invention relates to a reinforcement learning-based granary ventilation energy consumption optimization system and method, in particular to the field of granary ventilation energy consumption optimization, and can effectively improve the intelligent level of granary ventilation control by setting a data acquisition and fusion module, a state space construction module, a reinforcement learning training module and a real-time decision and feedback module. Accurate perception and decision-making of a dynamic environment are realized through cooperative work of multiple modules, the system adaptively optimizes a ventilation strategy by using a reinforcement learning technology, energy consumption is remarkably reduced, meanwhile, it is ensured that the temperature and humidity in a granary are stabilized in a safe range, the grain mildew or qualitative change risk is avoided, and the system has high practicability. The online learning ability of the method can continuously adapt to external weather changes and grain condition dynamic states, closed-loop optimization is formed, and finally energy consumption minimization is achieved on the premise that grain storage safety is guaranteed.

The invention relates to the technical field of agricultural equipment, in particular to a corn ear and stalk collecting, packaging and film winding all-in-one machine which comprises a frame, a material collecting module and a recycling module are arranged on the frame, the material collecting module comprises a harvesting table, a cab and a grain storage box, and a stalk chopper is installed on the lower portion of the harvesting table; a stalk chopper is arranged on one side of the grain storage box, a stalk crusher connected with the stalk chopper is arranged on one side of the grain storage box, the recycling module comprises a stalk storage box and a packaging machine, a first conveying belt connected with the stalk storage box is arranged at the feeding end of the packaging machine, and a film winding device is arranged at the discharging end of the packaging machine. Compared with a traditional stalk and spike harvesting device, through modular design, stalk cutting, spike and grain separation, straw smashing and packaging and film winding integrated operation is achieved, device switching and manual intervention are reduced, and the straw mildewing risk caused by human errors is reduced.

The utility model discloses a cross-seasonal and night composite cold storage air conditioning system based on low-temperature grain storage, which comprises a night cold storage system, a cooling capacity pickup heat exchanger, a cold release heat exchanger, a gas-liquid separator, a gas recovery tank and the like. By adjusting the on-off states of electromagnetic valves of the cooling capacity picking heat exchanger and the cooling capacity preparing heat exchanger, the distribution between cold storage by utilizing the environment temperature and cold storage by preparing the cooling capacity at night is realized; according to the principle that cold in winter and used in summer, cold storage is conducted in winter, cold release is conducted in a granary in summer, and when the cold storage capacity is insufficient, night cold storage is started to supplement the cold storage capacity, so that the cold storage capacity is stably supplied, the operation stability of the system is guaranteed, and meanwhile the equipment capacity and the initial investment of the cold storage system are reduced.

The present invention relates to the technical field of elevators, and more specifically, to a grain elevator based on modern agricultural machinery and equipment, comprising a base, an elevator structure, a drive structure, a feeding structure, a rotating structure, and an opening and closing structure. The setting of the feeding structure avoids the blockage problem caused by excessive accumulation of grain at the elevator feed port, making the grain distribution more uniform, while facilitating operators to add grain to the equipment and improving flexibility. The setting of the rotating structure facilitates rapid adjustment of the direction of the discharge pipe on the elevator, thereby facilitating the delivery of grain to grain storage tanks in different directions, avoiding the adjustment of the overall direction of the elevator and improving operational efficiency. The setting of the opening and closing structure can flexibly adjust the valve opening according to production needs, accurately control the discharge flow of materials such as grain, and quickly cut off the discharge, with strong flexibility.

The utility model discloses a vacuum fish food feeder which comprises a shell assembly, a food storage bin, a movable bin, a movable support and an eccentric wheel driving mechanism, the food storage bin is arranged at the top of the shell assembly, and a food outlet is formed in the bottom of the food storage bin. The movable bin is movably arranged in the shell assembly and below the grain storage bin, the movable bin is provided with a grain storage cavity on the front side and a blocking part on the rear side, an opening is formed in the bottom of the grain storage cavity, and a turning plate used for opening or closing the opening is arranged at the opening. The eccentric wheel driving mechanism and the movable support are both arranged in the shell assembly, the eccentric wheel driving mechanism is connected with the movable bin through the movable support, and the eccentric wheel driving mechanism drives the movable bin to move through the movable support. The grain storage cavity is opposite to the grain outlet or the blocking part closes the grain outlet, and the grain storage device is simple in structure and more reliable in performance.

The present invention discloses an intelligent linkage low-temperature grain storage multi-functional ventilation system and its ventilation method, which includes a ventilation pipe network, a main controller, and several refrigeration and air-conditioning units, temperature sensors, etc. connected to the main controller. The ventilation pipe network includes an upper-layer annular ventilation duct, a bottom-of-bunker ventilation floor grille, a vertical ventilation duct along the corner of the bunker wall, etc. Among them, the upper-layer annular ventilation duct is installed parallel to the ground below the grain loading line on the side wall of the granary; the bottom-of-bunker ventilation floor grille includes a lower-layer annular ventilation floor grille and a semi-circular cross-section ventilation floor grille arranged in a "mountain" shape; the vertical ventilation duct along the corner of the bunker wall has an isosceles triangle cross-section, one group of which is connected to the upper-layer annular air duct, and the other group is connected to the lower-layer annular floor grille. A closed air valve is provided on each branch air duct, and the opening and closing are controlled by the main controller according to the requirements of different grain storage temperature control working conditions; the present invention can systematically solve the problem of grain storage loss caused by reasons such as "local heating", "blind ventilation", and "cold core and hot skin" during storage.

The utility model discloses a grain storage system applying chlorine dioxide, which comprises a granary, a first gas dispersion mechanism, a second gas dispersion mechanism, a circulation pipeline and a chlorine dioxide generator, the first gas dispersion mechanism comprises a main gas pipe and a plurality of gas dispersers, the main gas pipe is arranged at the top in the granary, one end of each gas disperser is connected with the main gas pipe, and the other end of each gas disperser is connected with the circulation pipeline. An air outlet pipe is arranged at the other end; the second gas dispersion mechanism comprises a conveying pipeline and a plurality of dispersion pipelines, the conveying pipeline is arranged at the bottom in the granary and distributed along the inner circumferential wall of the granary, the dispersion pipelines are arranged at the bottom in the granary, the conveying pipeline is arranged around the dispersion pipelines, the two ends of the dispersion pipelines communicate with the conveying pipeline, and the dispersion pipelines are provided with a plurality of gas outlet ports; one end of the circulation pipeline communicates with the main air pipe, the other end of the circulation pipeline communicates with the conveying pipeline, and the circulation pipeline is provided with a circulation fan. The grain storage system applying chlorine dioxide provided by the embodiment of the utility model can improve the gas diffusion efficiency.

1. The name of the design product: storage barrel (9109). 2. The use of the design product: the design product is used for storing grains in the storage barrel. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to the field of pet supplies, solves the problems that when an existing feeder and an existing water feeder are separated, use is inconvenient, and the production cost is high, and provides a pet feeding and water drinking all-in-one machine which comprises the feeder, a water fountain and a controller. The feeder is electrically connected and / or detachably and physically connected with the water dispenser; the feeder comprises a driving device, a food distributor and a residual food amount detection device, the driving device is connected with the food distributor, and the food distributor and the residual food amount detection device are arranged in a food storage area of the feeder; the water fountain comprises a water pump, a filtering part and a water level detection device, the water pump and the water level detection device are arranged in a water storage area of the water fountain, and the filtering part is arranged on a water flow path between the water storage area and a water containing area. According to the pet feeding and drinking all-in-one machine provided by the invention, the feeder and the water dispenser can be conveniently disassembled and assembled, so that the equipment can integrate feeding and water feeding functions.

The utility model discloses a negative-pressure transverse ventilation system for an underground horizontal warehouse granary. The negative-pressure transverse ventilation system comprises a vertical air supply pipe, a vertical air return pipe, a horizontal main air supply pipe, a horizontal main air return pipe, a fan box and a controller, and a grain storage part is arranged between the vertical air supply pipe and the vertical air return pipe. According to the system, cold air flowing out of the vertical air supply pipe penetrates through gaps among grains to reach the vertical air return pipe, so that a ground ventilation ground cage is replaced. According to the system, mechanical grain storage of the granary is facilitated, the labor workload and the refrigeration workload are reduced, the ventilation energy consumption is reduced, uniform cooling of grains is ensured, and the temperature of the core of a grain pile is effectively reduced.

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 grain storage barrel comprises a barrel body with an opening in the top, a partition plate and an inner partition bin are movably inserted into the barrel body, the interior of the barrel body is divided into a left storage space and a right storage space by the partition plate in the vertical direction, and the inner partition bin is arranged in the barrel body. The inner partition bin is selectively inserted into the upper area of the storage space and is provided with a storage cavity with an opening in the upper end. According to the grain storage barrel, food can be stored in a classified mode, the storage cavities of the inner partition bins can independently store the food and can be isolated from the food in the storage space, and mutual doping or pollution is avoided; the partition plate and the inner partition bin can be selected and matched according to user requirements, and various use requirements are met.

The utility model provides a harvester unloading system with double bottom augers for unloading, the unloading system comprises a front bottom auger, a rear bottom auger, a grain outlet cylinder, a grain outlet auger and a first driving device, and the rear bottom auger and the front bottom auger are horizontally arranged in a grain tank in a vertically staggered manner; the grain outlet barrel is located at the opposite ends of the front bottom auger and the rear bottom auger, a first grain inlet is formed in the side wall of the bottom of the grain outlet barrel, a second grain inlet is formed in the side wall of the bottom of the grain outlet barrel, the grain outlet auger is arranged in the grain outlet barrel, and the height of the bottom of the grain outlet auger does not exceed the height of the first grain inlet; the first driving device drives the front bottom auger, the rear bottom auger and the grain outlet auger to rotate. The rear bottom auger and the front bottom auger are arranged in a vertically staggered mode, the front bottom auger is arranged to be lower than the rear bottom auger, the front bottom auger can stir lower stored grains in the grain tank, the rear bottom auger can stir upper discharged grains in the grain tank, and therefore layered stirring of the stored grains in the grain tank is achieved; and the grain unloading efficiency is improved by improving the stirring efficiency.

The invention relates to the technical field of automatic control of grain depots, in particular to a grain depot control system which comprises an automatic control decision module, a grain moisture detection module, a temperature and humidity detection module, a ventilation module and a circulation fumigation module. The grain moisture detection module is used for detecting the moisture of grains in the grain storage warehouse and transmitting the detected grain moisture data to the automatic control decision module; the temperature and humidity detection module is used for monitoring the temperature and humidity in the grain storage warehouse and transmitting the detected temperature and humidity data to the automatic control decision module; the ventilation module is used for receiving an instruction of the automatic control decision module and controlling opening and closing of ventilation equipment of the grain storage warehouse; and the circulation fumigation module is used for receiving the instruction of the automatic control decision module and controlling the operation of fumigation equipment. According to the grain depot control system, the grain storage environment is automatically monitored and adjusted, manual dependence is reduced, efficiency and quality are improved, loss is reduced, and intelligent early warning and data analysis support management are achieved.

The utility model discloses a corn drying system which comprises a drying tower and a heat pump set air conditioning device, the drying tower is sequentially provided with a feeding port, a grain storage section, a drying section, a cooling section, a grain discharging section and a discharging port from top to bottom, the heat pump set air conditioning device comprises a shell, a heat pump set is arranged in the shell, and the shell is provided with an air outlet, an air return port and an air exhaust port. The air outlet and the air return opening are connected to the drying section through a drying air inlet pipeline and a drying air return pipeline respectively, a cooling air inlet pipeline and a cooling air return pipeline are connected to the cooling section of the drying tower, the end, away from the drying tower, of the cooling air return pipeline is connected to the air inlet side of the condenser, and the air outlet is formed in a shell on the air outlet side of the evaporator. The utility model aims to provide the corn drying system which can continuously dry corns, and is energy-saving, environment-friendly and high in efficiency.

The present application provides a low-carbon emission reduction internal and external double circulation insulated grain storage warehouse, which relates to the field of warehouse storage technology. It includes: warehouse wall external circulation, warehouse wall internal circulation and intelligent temperature and humidity control system. The warehouse wall external circulation consists of an air layer formed between the outer wall and the inner wall, and an air layer formed between the outer wall top and the solar integrated photovoltaic panel and the inner wall top. These air layers are connected to the outside world through the ground natural wind vents and the air outlet holes on the outer wall top, so as to reduce the heat transfer between the outer wall and the inner wall by using the chimney effect; the warehouse wall internal circulation consists of a plurality of horizontal ventilation ducts and a plurality of vertical circulation ducts arranged in the warehouse, and can cooperate with the intelligent temperature and humidity control system to form a circulating low-temperature airflow inside the inner wall, so as to control the grain temperature near the inner wall of the warehouse. The present application has the advantage that the grain stored in the grain storage warehouse is not easy to have "cold heart and hot skin".

The invention provides a grain storage process of an airtight heat insulation type green grain storage container, and relates to the technical field of grain storage, the grain storage process comprises the following steps: S1, arranging an air film bin; the cover body is opened, the air film bin is laid in the box body, the grains are placed in the air film bin, and after the grains are placed, the air film bin is controlled to be closed; and S2, gas protection structure arrangement is conducted, specifically, the multiple airtight protection assemblies sequentially penetrate through the installation panel from one side, the airtight protection assemblies slide to the preset positions, and the airtight protection assemblies and the installation panel are controlled to be in a mutually-engaged sliding state. The air bags do not need to be pumped during preliminary installation, installation and arrangement of workers are facilitated, after the multiple airtight protection assemblies are arranged, the expanded air bags abut against one another to push the air bags and the positioning plates on the inner sides to slide to the preset positions, finally, a compact gas protection face is formed, simplicity and convenience are achieved, the overall arrangement time is shortened, and the working efficiency is improved. And the overall arrangement difficulty is greatly reduced.

The invention discloses a grain storage sub-ecological region intelligent division method based on a spatial analysis and clustering technology, and the method comprises the following steps: 1, obtaining the geographic position data, meteorological data and grain condition data of each sampling point in a research region, and enabling the data to serve as the sample data of each sampling point; taking the meteorological data and the grain condition data of each sampling point as grain storage variables of the sample; wherein the geographic position information comprises the longitude, the latitude and the altitude of the sampling point, the meteorological data comprises the air temperature, the relative humidity, the precipitation and the sunshine duration of the sampling point, and the grain condition data comprises the grain temperature of the granary corresponding to the sampling point; step 2, calculating a global Moran index of each grain storage variable in each sampling point, and respectively screening out characteristic indexes in the meteorological data and the grain condition data according to the global Moran index; and step 3, determining a clustering target number K, clustering sampling points in the research area by using a K-means clustering algorithm, and dividing the research area into K grain storage sub-ecological areas.

The utility model discloses a water and food feeder for pets, which belongs to the technical field of pet supplies and comprises at least two food trays, and a water tank or a food tank is arranged on the upper end face of each food tray. The water storage barrel and the grain storage barrel are detachably connected to the food tray, the water storage barrel is arranged above the water tank, and the grain storage barrel is arranged above the grain tank; the connecting parts are connected between the adjacent food trays, the adjacent food trays are rotatably connected through the connecting parts, and then the food trays can be rotated to separate the water tank from the food trough, so that food water is prevented from being mixed when a pet takes food.

The utility model relates to the technical field of granary ventilation and temperature control, and discloses a circulation type temperature and humidity regulation and control all-in-one machine which comprises a machine frame, a frequency conversion compressor and a gas-liquid separator are fixedly connected to the right portion of the upper side of the machine frame, a condenser is installed on the rear portion of the upper side of the machine frame, and the condenser is connected with an electronic expansion valve through a pipeline. An evaporator is fixedly connected to the right portion of the rack, a heater is installed on the right side of the evaporator, three water purifiers are fixedly installed on the left portion of the upper side of the rack, an air inlet is formed in the right side of the rack, and an air outlet is formed in the left side of the rack. According to the circulation type temperature and humidity regulation and control all-in-one machine, the cooling function and the humidifying function can be achieved at the same time, and the circulation type temperature and humidity regulation and control all-in-one machine can be flexibly switched into an air-conditioning mode, an intelligent mode or a conditioning ventilation mode. The comprehensive regulation and control capability effectively prevents moisture loss caused by dry air in the storage process of the grains, ensures that the grains keep optimal temperature and humidity balance, and improves the grain storage quality and economic benefits.

The utility model relates to the field of agricultural instruments, in particular to an ex-warehouse loading transfer system. The grain storage device comprises a supporting frame body, a grain storage hopper, a fixing frame, two sets of steering bases, two sets of linkage mechanisms, a first spiral conveyor and a second spiral conveyor. The grain storage hopper is installed on the supporting frame body, the fixing frame is fixedly installed on one side of the grain storage hopper, the two sets of steering bases are located in the extending direction of one side of the grain storage hopper and movably installed on the fixing frame, and the two sets of linkage mechanisms correspond to the two sets of steering bases one to one. One end of the first screw conveyor is installed at the discharging end of the bottom of the grain storage hopper, the first screw conveyor is connected with one of the two linkage mechanisms, one end of the second screw conveyor is installed on the top face of the grain storage hopper, and the second screw conveyor is connected with the other linkage mechanism.

The utility model discloses a grain pile deep water retention cooling ventilation device, which comprises a fan, an air distribution box and a plurality of metal ventilation pipes, the fan is connected with an air inlet of the air distribution box, the air distribution box is provided with a plurality of air outlets, each air outlet is connected with one end of one metal ventilation pipe, and the other end of the metal ventilation pipe is connected with the fan. The other end of the metal ventilation pipe is arranged in a grain pile; when the deep sampler is used, the metal ventilation pipes are lowered to the bottom of a grain pile through the deep sampler, the upper ends of the metal ventilation pipes are connected to the air distribution boxes, each air distribution box can be connected with 5-6 metal ventilation pipes, and then a low-power fan is used for ventilation treatment, so that the deep ventilation cooling effect of the grain pile is achieved; therefore, the phenomenon of ventilation dead angles during ventilation and cold storage of the grain storage warehouse can be effectively solved through the metal ventilation pipe, and meanwhile the phenomenon that in order to reduce the phenomenon of local bottom layer heating, excessive loss of grain moisture is caused by using a centrifugal fan or a large amount of cost is generated by adopting a grain cooler can be avoided.

1. Name of this design product: Pet food storage bin. 2. Purpose of this design: For storing pet food. 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 view 1.

The utility model discloses a kind of grain depot grain dew condensation prevention devices, it is related to grain depot dew condensation prevention technical field, specifically a kind of grain depot grain dew condensation prevention device, including granary body and sealed cover, the inner wall of granary body is provided with temperature and humidity detector, the outer surface of granary body is installed with cavity frame, the inner portion of cavity frame is respectively installed with fan, dust screen and first servo motor, the output end of first servo motor is installed with the screw rod with the same center as the output end axis center of first servo motor.The grain depot grain dew condensation prevention device has the effect of being convenient to ventilate or close granary according to the temperature and humidity in granary, the temperature and humidity in granary are detected by temperature and humidity detector, ventilation is facilitated by the cooperation of fan and dust screen, the setting of baffle facilitates the closure of air vent, avoids the entry of moisture, the setting of sealing block improves the sealing property when closing, reaches the purpose of improving practicality.

The utility model discloses a granary cleaning and killing smoke generator which comprises a shell, a supporting net, a supporting plate, a heater, a liquid medicine container and an induced draft fan. A supporting net and a supporting plate are arranged in the shell from bottom to top, and the interior of the shell is divided into a first cavity, a second cavity and a third cavity through the supporting net and the supporting plate. The heater is arranged in the first cavity; the liquid medicine container is arranged in the second cavity; the induced draft fan is arranged in the third cavity; the air inlet end of the induced draft fan communicates with the middle of the supporting plate, and the air outlet end communicates with a bent pipe. The bent pipe extends out of the upper end of the shell and is communicated with the hose; and the side wall of the shell at the second cavity is communicated with an air inlet pipe. The granary deinsectization device has the advantages that through the arrangement of the shell, the supporting net, the supporting plate, the heater, the liquid medicine container, the induced draft fan, the bent pipe and the hose, the granary deinsectization agent forms smoke in the granary space, the deinsectization and deinsectization effect of the whole granary space is improved, the deinsectization and deinsectization cost is greatly reduced, an operator operates outside the granary, and the working efficiency is greatly improved. The labor intensity of cleaning and killing insects is reduced, the harm of stored grain chemical agents to operators is reduced, and the body health of the operators is ensured.