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2540results about "Seed preservation by drying" patented technology

Rapeseed drying and impurity removal device

The invention relates to the technical field of drying equipment, and particularly discloses a rapeseed drying and impurity removal device. The rapeseed drying and impurity removal device comprises adrying barrel. A dust collecting cavity is formed in the top wall of the drying barrel, and dust absorbing covers are arranged on the top of the drying barrel. A vertical shaft is arranged in the drying barrel in a penetrating mode, and a plurality of stirring rods are arranged on the vertical shaft. Air bags are uniformly distributed on the inner wall of the drying barrel, a drying cavity is formed in the bottom wall of the drying barrel, and heat conducting pipes are arranged on the side wall of the drying barrel. Air outlet holes are uniformly distributed in the bottom of the drying barrel.Magnetic locating blocks are arranged on the air bags, and magnetic blocks are arranged at the ends of the stirring rods. An air cylinder is further arranged at the bottom of the drying barrel, an air inlet one-way valve and an air outlet one-way valve are arranged on the side wall of the air cylinder, and a feeding one-way valve and a discharging one-way valve are arranged on the side wall of the air cylinder. The air inlet one-way valve communicates with a heat supply device through a pipeline, the air outlet one-way valve communicates with the drying cavity through a pipeline, and the feeding one-way valve communicates with the dust collecting cavity through a pipeline. By the adoption of the rapeseed drying and impurity removal device, the problem that due to the fact that water vaporgenerated by rapeseeds in the drying process can condense again after touching the barrel wall of the drying barrel, drying of the rapeseeds cannot be sufficient is solved.
Owner:贵州务川八爷农场有限公司

Centralized drying system of high-humidity grain and drying method thereof

The invention relates to a centralized drying system of high-humidity grain and a drying method thereof. According to the grain deliver direction, the centralized drying system comprises a preliminary cleaning machine, a wet grain hoister, a wet grain dryer, a conveyor, a middle hoister, a main drying tower, a dry grain conveyor, a dry grain hoister and a dry grain storage silo which are successively connected, wherein the main drying tower successively comprises a high-temperature drying section, a low-temperature drying section and a cooling section; the system also comprises a hot-blast stove, a heat exchanger, a dust remover and a smoke draught fan which are successively connected, wherein the smoke draught fan is connected with the wet grain drier; the heat exchanger is connected to the main high-temperature drying section by an air heater, and the air heater is connected to the low-temperature drying section by a thermosistor; the heat exchanger is connected with the wet grain drier by a wind stopping device and an air cooler; and ambient air is communicated with the air cooler by the cooling section. The drying system can fully utilize natural air and recycle the waste heatand waste gas of the drying system to efficiently dry in an energy saving mode and reduce drying waste gas, waste liquid and dust emission; the drying system has favourable drying effect and is especially suitable for drying a great quantity of high-wet grain in a centralized mode.
Owner:SOUTH CHINA AGRI UNIV

Continuous corncob dryer

The invention provides a continuous corncob dryer, which is characterized in that an inner part of a tank body is divided into three parts by clapboards vertically; an air heater with a blower is arranged on a bottom part of the tank body in the middle; a draught fan and a feed inlet are arranged on a top part; a discharge hole is arranged on a bottom part; a plurality of conveyer devices driven by transmission devices to operate are arranged in the tank body; two conveyer chain wheels are arranged on a shaft of each conveyer device; a conveyer chain is hung on the conveyer chain wheels on the same ends of the shafts; inner ends of chain pins of the conveyer chains are correspondingly provided with pin shafts toward inner sides at intervals of the same section number in an extended way; two molding panels with a plurality of ventilation holes are bent, concave surfaces of the molding panels are in fit connection, and baffle plates are fixedly arranged on two ends of the molding panels, so that molding chain plates are formed; the type I molding chain plate and the type II molding chain plate with different lengths are alternately hung on the pin shafts extending out of the two conveyer chains of the same conveyer device; each molding chain plate is arrayed and supported on a guide rail to form a slot type material channel; and a material guiding slot is arranged under a tail end of the channel. The continuous corncob dryer has a large range of reducing moisture, good drying uniformity, and reliability in operation.
Owner:SHANDONG UNIV OF TECH

Self-vibrating grain drying and sieving equipment

The invention discloses self-vibrating grain drying and sieving equipment. The equipment comprises a shell, a support and a condensation chamber; the support is arranged outside the shell, sliding blocks are fixedly connected to the middle of the outside of the shell, sliding grooves are formed in both sides of the support, and the sliding blocks are connected with the sliding grooves in a sliding mode; connecting plates are arranged at the upper ends of the sliding grooves, the connecting plates are fixedly connected with the support, and floating devices are arranged between the connecting plates and the sliding blocks; a first sieving net and a second sieving net are fixedly connected to the inner side wall of the shell from top to bottom in sequence, a dehumidification pipe is arranged at the upper end of the shell, a vacuum pump is connected to the middle of the dehumidification pipe, one end of the dehumidification pipe is communicated with the interior of the shell, and the other end of the dehumidification pipe is connected with a condensation pipe in the condensation chamber. According to the self-vibrating grain drying and sieving equipment, the structure is simple, the design is reasonable, sieving of grain is completed through self-vibrating of the shell, and the sieving quality and efficiency are improved; meanwhile, drying equipment is added, the functionality of the device is enhanced, and rapid dehumidification can be conducted, so that the drying efficiency is improved.
Owner:俞纪洪

Grain dryer

The invention relates to a grain dryer. An inner cavity of a drying tower of the grain dryer comprises a feeding bin and a multi-stage drying bin and tempering bin alternate arrangement structure from top to bottom, a discharging bin is arranged below a tempering bin on the lowermost layer, hollow partitioning plates are arranged inside drying bins, cavities of the hollow partitioning plates are ventilated, grain passes through the gap between every two adjacent hollow partitioning plates, through holes are formed in the faces of the hollow partitioning plates, air channels comprise hot air channels and secondary hot air channels, hot air is transmitted layer by layer between the drying bins from bottom to top through hot air conveying pipelines, and in the drying bin on each layer, the hot air passes through the through holes in the corresponding hollow partitioning plates from the corresponding hot air channels to permeate into material channels and then permeates into the corresponding secondary hot air channels to enter the drying bin on the upper layer. The grain is dried inside the drying tower in a clockwise or anticlockwise mode, heat exchange is performed between the high-temperature hot air and the grain high in water content and low in temperature, the temperature of the grain is increased rapidly to evaporate water inside, the grain enters the tempering bins to be tempered for a period of time after being dried, the water inside the grain permeates outwards, next-time drying is performed, and evaporation of the water inside the grain is completed in a gradient mode.
Owner:山东宇龙机械有限公司

Cereal circular drying equipment

The invention discloses cereal circular drying equipment. The cereal circular drying equipment comprises a box body, a hot-blast stove and a lifting drum. A plurality of guide plates are arranged in the box body; the box body communicates to the lifting drum through a discharge pipe and a feeding pipe; a bottom plate is arranged below the box body; a plurality of damping devices are arranged between the bottom plate and the bottom surface of the box body; a plurality of air inlet branch pipes are uniformly arranged on the outer side wall of the left end of the box body; the air inlet branch pipes are connected to the air outlet of the hot blast stove through a main air inlet pipe; a plurality of air outlet branch pipes are uniformly arranged on the outer side wall of the right side of thebox body and are connected to the air inlet of the hot blast stove through a main air outlet pipe; the main air outlet pipe is connected to a dedusting and dehumidifying device; and the dedusting anddehumidifying device comprises a barrel. The cereal circular drying equipment disclosed by the invention is simple in structure and reasonable in design, can utilize human energy to the maximum extentby means of circulating air, and is very high in drying efficiency on cereals, and furthermore, the drying quality of cereals is very good and the dehydrating rate is very high.
Owner:俞纪洪

Unhulled rice drying device

The invention provides an unhulled rice drying device. The unhulled rice drying device is mainly composed of a box, a hot air device and an unhulled rice lifting device. The unhulled rice drying device is characterized in that the box comprises an unhulled rice stock bin on the upper portion, a drying cavity on the lower portion and an unhulled rice collecting cavity at the bottom; multiple vertically-communicated unhulled rice dropping through grooves are formed in the drying cavity between the unhulled rice stock bin and the unhulled rice collecting cavity, a hot air cavity is formed between every two through grooves, and the hot air cavities are communicated with the corresponding through grooves through vent holes formed in the walls of the through grooves; the hot air cavities are at least communicated with a hot air pipe externally connected with the hot air device in a centralized mode; the unhulled rice lifting device is perpendicularly arranged on the side wall of the box, and a feed port in the lower end of the unhulled rice lifting device is communicated with the unhulled rice collecting cavity in the bottom of the box; a discharge port formed in the upper end is communicated with the unhulled rice stock bin on the upper portion of the box. The unhulled rice drying device has the advantages of being simple in structure, convenient to use, reliable, high in efficiency and the like, and can evenly drying unhulled rice.
Owner:孙现军

Continuous synchronous microwave enzyme inactivation and drying device and method for grain germ

The invention provides a continuous synchronous microwave enzyme inactivation and drying device and method for grain germ, relating to the agricultural product drying field. The device comprises a microwave tunnel (2), a microwave generator (3) and a conveyer belt (6) and also comprises a feeder (1) and a germ overturning device (5); wherein the microwave generator (3) is arranged at the top of the microwave tunnel (2), the feeder (1) is arranged at the initial end of the conveyer belt (6), and the revolution of the feeder is adjustable; the conveyer belt (6) is connected with the feeder (1) and the microwave tunnel (2) to convey materials through the microwave tunnel (2), and conveying speed is adjustable; and the germ overturning device (5) is arranged on the conveyer belt (6). The watercontent of the grain germ through microwave enzyme inactivation and drying of the invention can be reduced to 1.9-4.4%; microwave treatment is carried out on different grain germs, the grain germs can be preserved for 6-8 months at normal temperature in winter and for 3-5 months at normal temperature in summer, quality requirement of follow-up processing can still be met, and the invention is widely applicable to enzyme inactivation and drying of grain germs such as wheat germ, corn germ, rice germ (rice bran) and the like.
Owner:JIANGSU UNIV

Small grain dryer

The invention discloses a small grain dryer comprising a feed hopper. The feed hopper is connected to the inlet of a drying rolling drum; the outlet of the drying rolling drum is connected to the inlet of a cooling rolling drum, the outlet of the cooling rolling drum is connected to a discharge hopper, and the air inlet of the drying rolling drum is connected to a hot air outlet of a straw combustion furnace; the drying rolling drum comprises an outer heat insulation drum, the outer heat insulation drum is provided with an inner rolling drum inside, asymmetric copy boards are distributed on the wall of the inner rolling drum circumferentially, the inner rolling drum is provided with hot air flowing holes, and the inner rolling drum and the outer heat insulation drum are sealed through a sealing sleeve; the outer heat insulation drum is fixed, and the inner rolling drum is capable of rotating; the inner rolling drum is provided with a temperature sensor, a humidity sensor and a microprocessor inside, the temperature sensor and the humidity sensor transmit the acquired data to the microprocessor, and the microprocessor transmits the data to an upper computer; the drying rolling drum, the cooling rolling drum and the straw combustion furnace are arranged on a trailer. By the aid of the small grain dryer, the problems of rural straw combustion and grain drying can be solved.
Owner:WUHAN UNIV OF TECH

Grain drying device with intermittent feeding function

InactiveCN108444254APrevent drying effectRealize the function of intermittent feedingDrying gas arrangementsSeed preservation by dryingAgricultural engineeringThreaded rod
The invention discloses a grain drying device with intermittent feeding function. The device comprises a stirring chamber, a drying chamber, a motor, a tapered throwing plate and a transmission chamber, wherein the stirring chamber is arranged at the upper end of the drying chamber and is separated through a separating plate; a feeding bucket is arranged at the upper end of the stirring chamber, and the motor is arranged at the right side of the feeding bucket; the output end of the motor is fixedly connected to a rotating shaft; the rotating shaft passes through the stirring chamber and the drying chamber and is fixedly connected to a bevel gear C; the transmission chamber in which a threaded rod is arranged is formed in the middle of the bottom part of the drying chamber; a threaded sleeve is in thread connection with the threaded rod at the inner side of the transmission chamber; shifting plates are symmetrically hinged with two sides of the threaded sleeve. The device is novel in design; the arranged threaded rod can positively and negatively rotate to drive the shifting plates swing up and down in a reciprocating manner through the threaded sleeve; grain at the bottom part ofthe drying chamber can be raised again by the shifting plates, so that the contact area between the grain and hot air is further increased, and as a result, the grain drying effect is improved.
Owner:台州来智科技有限公司

Quality-guaranteeing and energy-saving drying machine for grains

The invention discloses a quality-guaranteeing and energy-saving drying machine for grains. The drying machine comprises two wet grain preheating bins, a hot grain cooling bin and a drying bin, wherein the two wet grain preheating bins are arranged on the left side and the right side of the hot grain cooling bin respectively and are spaced from the hot grain cooling bin through baffles; a ventilating net plate is arranged between the baffles; a cold air chamber is formed in the middle of the hot grain cooling bin; a cold air inlet is formed in the bottom end of the cold air chamber; wet grain outlets are formed in the bottom sides of the wet grain preheating bins; a dry grain outlet is formed in the bottom side of the hot grain cooling bin; a hot grain shifting wheel is arranged on the right side of the dry grain outlet; a dry grain helical collector is arranged on the bottom side of the dry grain shifting wheel; a dry grain helical conveyer is arranged on the bottom side of the dry grain helical collector; the drying bin is arranged on the right sides of the wet grain preheating bins; 2-30 groups of grain distribution channels are formed in the middle of the drying bin; ventilating net plates are arranged on the left and right sides of each grain distribution channel; a hopper type lifting machine is arranged on the left side of the drying bin. The drying machine is reasonable in structure, unique in design and good in using effect.
Owner:HUNAN NONGYOU SHENGTAI AGRI TECH

Waste heat recovering ear-corn drying machine

The invention provides a waste heat recovering ear-corn drying machine, which is characterized in that the chamber of the drying machine is divided into an upper area and a lower area by a partition I; the lower area is divided into three parts by partitions II; the bottom of the middle chamber is provided with an air heater with a blower; a plurality of heat exchange boxes are arranged in the upper area and are communicated with one another by annular air pipes; the heat exchange boxes on the lower part are communicated with the middle of the lower area of the chamber; the heat exchange boxes on the upper part are connected with an induced draft fan mounted at the top of the chamber; a water pump at the top of the chamber is connected with a straight pipe inserted in each heat exchange box by a water pipe which is shaped like a Chinese character 'YUE'; a plurality of conveying devices running under the driving of a driving device are arranged in the chamber; molding link plates of I and II types are hung on a pin shaft extending out of the inner side of a conveying chain at intervals and are arrayed and supported on a guide rail to form a trough material channel; a guide chute is arranged below the tail end of the channel; and a feed inlet and a discharge port are formed at the top and the bottom of the chamber respectively. The waste heat recovering ear-corn drying machine is large in moisture reducing range, good in preheating effect and reliable in working.
Owner:SHANDONG UNIV OF TECH

Self-feeding type energy-saving grain drying device

The invention discloses a self-feeding type energy-saving grain drying device comprising a base. A drying barrel is fixed to the top of the base through a support, a rotating tube is arranged in the center in the drying barrel, and the upper end and the lower end of the rotating tube are rotationally connected with the top wall and the bottom wall of the drying barrel correspondingly. A second speed reducing motor is fixedly arranged at the center of the top of the drying barrel, a motor shaft at the bottom end of the second speed reducing motor is fixedly connected with the top end of the rotating tube, and spiral blades are fixedly mounted at the tube section, located above a screen plate, of the rotating tube. A plurality of one-way air outlet holes are uniformly formed in the tube section, between the spiral blades, of the rotating tube. A hot air blower is fixedly arranged at the right part of the side wall of the drying barrel, the air inlet end and the air outlet end of the hotair blower are connected with hot air tubes correspondingly, and the air outlet end of each hot air tube is connected into the rotating tube. The hot air blower is used for introducing hot air into the rotating tube, the hot air is discharged from the one-way air outlet holes to dry grains, and the heat is uniformly distributed; and the spiral blades are driven by the rotating tube to rotate to drive the grains to roll, so that the grains are heated more uniformly when dried, and the drying effect is good.
Owner:FUJIAN FUXIN AGRI TECH DEV CO LTD

Horizontal convection integral grain drying machine

The invention discloses a horizontal convection integral grain drying machine, relating to a grain drying machine. By using the horizontal convection integral grain drying machine, the problems of high cost, low efficiency, low temperature, low warming speed, large energy consumption and pollutant discharge are solved. The stator reels of the grain drying machine are symmetrically arranged on two ends of a drying cylinder; a superconductive tube is arranged in the drying cylinder; the right end of the superconductive tube is arranged in the combustion chamber of a heat supply furnace by the stator reels; an air tube is arranged below the superconductive tube; the air tube and the superconductive tube are arranged in a hot-proof cyclone cover below which a hot wind port is arranged; and a dust catcher is arranged between a flue and a discharge flue. The horizontal convection integral grain drying machine has the advantages of compact design, small volume, simple structure, low cost, high efficiency and low cost, and is convenient in installation, is energy-saving, environment-friendly, wherein the grain drying machine can save energy by 30-40% and save electricity by 20-30% if compared with the existing drying equipment under the same condition, and improve efficiency by 15-20% if compared with the existing drying equipment, and the cost of the grain drying machine is 60-70% of that of the existing equipment.
Owner:HARBIN ZHONGSHENGLONG HEATING EQUIP TECH DEV

Grain intelligent baking storing integrated device

The invention relates to a grain intelligent baking storing integrated device with intelligent drying and storing functions, and belongs to the field of agricultural machinery grain drying and storing. The grain intelligent baking storing integrated device comprises a feeding unit, a storage unit, a discharging unit, an aeration-drying unit, and an intelligent control unit; the storage unit comprises a silo cell; the feed inlet of the silo cell is connected with the feeding unit; the feed outlet of the silo cell is connected with the discharging unit; the bottom of the silo cell is provided with an air passage; a wind chamber is arranged below the bottom of the silo cell; the wind chamber is communicated with the inner part of the silo cell via the air passage; the wind chamber is communicated with the aeration-drying unit via a wind passage; and the upper part of the silo cell is provided with an air exhausting device. According to the grain intelligent baking storing integrated device, grain drying and storing function are combined; automatic degree is high; the grain intelligent baking storing integrated device is safe and reliable to use; cost is reduced; grain drying and storing are not influenced by air factors; and the grain intelligent baking storing integrated device is suitable for small and medium-sized farmers, and big grain production households.
Owner:SHANDONG QUANGUAN MASCH TECH CO LTD
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