CN107990646B - Grain drying equipment and control method thereof - Google Patents
Grain drying equipment and control method thereof Download PDFInfo
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- CN107990646B CN107990646B CN201711135408.XA CN201711135408A CN107990646B CN 107990646 B CN107990646 B CN 107990646B CN 201711135408 A CN201711135408 A CN 201711135408A CN 107990646 B CN107990646 B CN 107990646B
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- baffle
- discharging
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- feeding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/08—Drying; Subsequent reconstitution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a cereal stoving field especially relates to a cereal drying-machine, including box, feeding storehouse, feeding screw feeder, feed inlet, baffle, weighing transducer, cylinder, hot-blast furnace, ejection of compact screw feeder and controller, establish layered structure on the inner wall of box, layered structure comprises a plurality of baffles, makes cereal stoving more even, and drying efficiency is high, and the energy consumption is low, and the cost is reduced, and the stoving temperature of cereal is adjustable moreover, can carry out accurate quantization operation to the drying process, has avoided the inhomogeneous problem of stoving temperature.
Description
Technical Field
The application relates to the technical field of drying equipment, in particular to grain drying equipment and a control method thereof.
Background
After the grains are harvested, the grains generally need to be aired for a plurality of days before being safely stored in a warehouse; however, in busy farming seasons, especially in rainy days or continuous rainy days, stacked grains generate heat due to their own moisture, and are extremely prone to mildew and rot, thereby causing huge losses to farmers.
Grain drying is an important step in agricultural production, and grain dryers use factors such as temperature and humidity to reduce the moisture content of grain. In the above case, a grain dryer is generally used to dry grains. The drying system of the existing grain dryer in the market comprises a hot air system, a hot air pipe and a drying cylinder, wherein grains are loaded from an inlet at the upper end of the drying cylinder through a lifter, the hot air provided by the hot air system is used for drying, the dried grains are output from an outlet at the lower end of the drying cylinder, and then the grains are conveyed to an inlet at the upper end of the drying cylinder through the lifter to form circulation.
The disadvantages of the grain dryer are that when the grains are dried, a large amount of grains are stacked in the drying cylinder, so that the grains are not uniformly dried, the drying time is long, the drying efficiency is low, the energy consumption is high, and the cost is high.
Disclosure of Invention
The application provides a grain drying equipment to solve current grain drying machine during operation, make cereal stack in a large number in a stoving section of thick bamboo, lead to the cereal stoving inhomogeneous, the long and drying efficiency of stoving time is low, and the energy consumption is big, problem with high costs.
A first aspect of the application provides grain drying equipment, which comprises a box body, a feeding bin, a feeding auger, a feeding hole, an electromagnetic valve, a baffle plate, a cylinder, a weight sensor, a hot blast stove, a discharging auger and a controller;
the upper end of the box body is provided with the feeding bin, the feeding auger is arranged in the feeding bin, the bottom of the feeding bin is provided with the feeding holes communicated with the box body, and each feeding hole is provided with an electromagnetic valve;
a plurality of baffles are arranged on the inner wall of the box body, and two adjacent baffles are arranged on two opposite first inner walls; one end of the baffle is movably connected with the second inner wall, and the bottom of the baffle is fixed on the second inner wall through an air cylinder; the length of each baffle is smaller than the distance between the two opposite first inner walls, the first inner walls are perpendicular to the second inner walls, and each baffle is provided with a weight sensor;
the outer wall of the box body is provided with a hot blast stove, and an air outlet of the hot blast stove is communicated with the inner space of the box body;
the lower end of the box body is provided with the discharging auger;
the electromagnetic valve, the air cylinder and the weight sensor are all connected with the controller.
Optionally, each baffle is formed by combining two opposite sub-baffles; the sub-baffles are respectively fixed on the two second side walls through the air cylinders.
Optionally, a temperature sensor and a humidity sensor are further arranged in the drying box; the temperature sensor and the humidity sensor are both connected with the controller.
Optionally, the inner wall and the outer wall of the drying box are made of stainless steel, and a heat insulation layer is arranged between the inner wall and the outer wall of the drying box.
Optionally, the grain drying equipment still includes the lifting machine, the lifting machine is including inhaling material mouth, pipeline, vertical screw feeder, discharge gate, the pipeline bottom with inhale the material mouth and be linked together, the pipeline top with the discharge gate is linked together, vertical screw feeder connects pipeline, the discharge gate sets up the top in feeding storehouse.
Optionally, the grain drying equipment still includes discharge device, discharge device includes the row material pipeline, arranges the material fan, goes out feed bin and air outlet, the row material pipeline with go out the inside intercommunication of feed bin, the row material pipeline is kept away from the one end that goes out the feed bin is connected with the box, it locates to arrange the material fan arrange the material pipeline with go out the kneck in feed bin, one side upper portion of feed bin is located to the air outlet.
Optionally, the grain drying equipment still includes dust collector, dust collector includes out tuber pipe, dust collecting chamber, play fan, level meter, dust exhaust mouth and dust exhaust valve, the entry end that goes out the tuber pipe is connected the box, the exit end that goes out the tuber pipe is equipped with go out the fan, it is equipped with to go out tuber pipe lower part the dust collecting chamber, the dust collecting chamber inner wall is equipped with the level meter, the dust collecting chamber lower part is equipped with the dust exhaust mouth, be equipped with on the dust exhaust mouth the dust exhaust valve.
A second aspect of the present application provides a grain drying apparatus control method, comprising the following steps performed on a baffle in a drying box in sequence from bottom to top:
s1, controlling the nth baffle to rotate to a working position, wherein N belongs to {1, 2, … …, N }, and N is the number of the baffles;
s2, controlling the electromagnetic valve corresponding to the nth baffle to be opened, and enabling the grains to be scattered on the nth baffle;
s3, detecting the nth weight signal of the grain on the nth baffle;
s4, when the nth weight signal reaches a weight threshold value, controlling the electromagnetic valve corresponding to the nth baffle to be closed;
optionally, the grain drying equipment control method further includes the following steps:
s5 after the grains reach the preset drying time, the baffles in the drying equipment are controlled to fall down from bottom to top in sequence.
The technical scheme provided by the application comprises the following beneficial technical effects:
compared with the prior art, this application is equipped with layered structure on the inner wall of stoving case, layered structure comprises a plurality of baffles, when drying cereal, controller control baffle rotates to the work position, the solenoid valve that corresponds with the baffle is opened, make cereal unrestrained on the baffle, detect the weight signal of cereal on the baffle, when weight signal reaches the weight threshold value, the solenoid valve that controller control and baffle correspond is closed, after cereal reaches predetermined drying time, baffle in the drying equipment of controlling in proper order from bottom to top falls down, accomplish the drying process to cereal, dry cereal by layer, make cereal dry more evenly, drying efficiency is high, the energy consumption is low, the cost is reduced.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic structural diagram of grain drying equipment provided in the embodiment of the present application.
Fig. 2 is a schematic structural diagram of a baffle provided in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a hoist according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a discharge device provided in an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a dust removing device provided in the embodiment of the present application.
Description of reference numerals: 1. a hoist; 1-1, a material sucking port; 1-2, a conveying pipeline; 1-3, a vertical screw conveyor; 1-3-1, a vertical screw conveyor motor; 1-3-2, a screw conveyor transmission shaft; 1-3-3, helical blades; 1-4, a discharge hole; 2. a support; 3. a box body; 311. a first inner wall; 312. a second inner wall; 32. an outer wall; 4. a feeding bin; 5. a feeding screw conveyor; 51. a screw motor; 52. a screw conveyor transmission shaft; 53. a screw auger screw blade; 61. a feed inlet; 62. an electromagnetic valve; 71. a baffle plate; 711. a sub-baffle; 72. a cylinder; 8. a weight sensor; 9. a temperature sensor; 10. a humidity sensor; 11. a controller; 12. a hot blast stove; 13. a discharging auger; 131. a discharge auger motor; 132. a screw conveyor transmission shaft; 133. a helical blade; 141. an air outlet pipe; 142. an air outlet machine; 143. a dust collecting chamber; 144. a level meter; 145. a dust exhaust port; 146. a dust exhaust valve; 151. a discharge conduit; 152. a discharge fan; 153. a discharging bin; 154. and (7) air outlet.
Detailed Description
Example 1
The application provides a grain drying equipment, including box 3, feeding storehouse 4, feeding screw feeder 5, feed inlet 61, solenoid valve 62, baffle 71, cylinder 72, weight sensor 8, hot-blast furnace 12, ejection of compact screw feeder 13 and controller 11.
The upper end of box 3 is connected with feeding storehouse 4, and upper end one side in feeding storehouse 4 is connected with total feed inlet 41, is equipped with feeding screw feeder 5 in the feeding storehouse 4, and the bottom in feeding storehouse 4 is equipped with the feed inlet 61 with box 3 intercommunication, and every feed inlet 61 is equipped with an electromagnetic valve 62.
Optionally, the box body 3 may be a cylinder or a cuboid, the diameter of the cylinder is 3000mm, the height is 12000mm, the length of the cuboid is 3650mm, the width is 3300mm, the height is 12480mm, the box body has an inner wall, an outer wall and a middle heat insulation layer, the inner wall is 40mm thick, the outer wall is 45mm thick, the middle heat insulation layer is 60mm thick, the inner wall and the outer wall are made of cold-rolled stainless steel plate materials, and the box body has the advantages of high hardness, wear resistance, good alkali resistance and acid resistance, uniform and attractive color, the middle heat insulation layer is filled with aluminum silicate fiber materials, and the aluminum silicate fiber materials have the advantages of high temperature resistance, good thermal stability, low thermal conductivity, small heat capacity, good mechanical vibration resistance, small thermal expansion and good heat.
Optionally, the shape of the feeding bin 4 is a cuboid, the total feeding port 41 connected to the feeding bin 4 and the feeding port 61 at the lower part of the feeding bin are designed to be funnel-shaped or cylindrical, the feeding resistance is reduced, no dead angle is formed in the feeding port 61, all grains can enter the box body 3, the feeding time is shortened, and the feeding efficiency is improved.
Optionally, this feeding screw feeder 5 includes screw feeder motor 51, screw feeder transmission shaft 52, screw feeder helical blade 53, feeding screw feeder 5 is epaxial at screw feeder motor 51 through the heterotypic hole cover on the screw feeder transmission shaft 52, it is fixed through the round pin, screw feeder helical blade 53 overlaps on screw feeder transmission shaft 52, feeding storehouse 4 one side is porose, feeding screw feeder motor 51 is connected in one side of feeding storehouse 4, screw feeder transmission shaft 52 passes through the hole and is connected with screw feeder motor 51, screw feeder helical blade 53 can be with accurate transport feed inlet 61 of cereal, it is efficient.
Optionally, the feeding auger helical blade 53 is made of high-quality cold-rolled steel, continuous rolling is performed, no welding seam exists in the middle, the surface is smooth and wear-resistant, the shape is regular, the precision is high, material conveying is facilitated, material damage is reduced, conveying efficiency is improved, the continuous cold-rolled blade is convenient to install, production efficiency can be improved, production cost is reduced, the continuous cold-rolled blade can improve antirust capacity through surface treatment, and hardness and wear resistance are high.
Optionally, the electromagnetic valve 62 is a direct-acting electromagnetic valve made of stainless steel, when the electromagnetic valve is powered on, the electromagnetic coil generates electromagnetic force to lift the closing member from the valve seat, the valve is disconnected, when the electromagnetic force disappears when the electromagnetic valve is powered off, the spring presses the closing member on the valve seat, the valve is closed, and the stainless steel electromagnetic valve is good in quality and stable in performance.
The inner wall of the box body 3 is provided with a plurality of baffles 71, two adjacent baffles 71 are arranged on two opposite first inner walls 311, one end of each baffle 71 is movably connected with the second inner wall 312, the bottom of each baffle 71 is fixed on the second inner wall 312 through an air cylinder 72, an air cylinder 72 piston rod is connected with the baffle 71, the baffles 71 are pulled to move through the swinging of the piston rods, the length of each baffle 71 is smaller than the distance between the two opposite first inner walls 311, the first inner walls 311 are perpendicular to the second inner walls 312, each baffle 71 is provided with a weight sensor 8, the air cylinders 72 and the weight sensors 8 are both connected with the controller 11, the inner wall of the box body 3 is provided with a layered structure, when grains are dried, the controller 11 controls the baffles 71 to rotate to a working position, electromagnetic valves 62 corresponding to the baffles 71 are opened, so that the grains are scattered on the baffles 71, and weight signals of the grains on the baffles 71 are detected, when the weight signal reaches the weight threshold value, the controller 11 controls the electromagnetic valve 62 corresponding to the baffle 71 to close, and after the grains reach the preset drying time, the baffle 71 in the box body 3 is sequentially controlled from bottom to top to fall down to complete the drying process of the grains.
Optionally, each baffle 71 is formed by combining two opposite sub-baffles 711, and each sub-baffle 711 is rectangular.
Optionally, the cylinder 72 has two types of linear motion cylinder and swing cylinder, the cylinder is a swing type pneumatic cylinder, and the cylinder comprises a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffer device and an exhaust device, the cylinder barrel is fixedly connected with the cylinder cover, an air inlet and exhaust port is formed in the cylinder cover, the buffer device, a sealing ring and a dust ring are arranged on the cylinder cover, a guide sleeve is further arranged at the same time, so that the guide precision is improved, the piston rod is tightly connected with the piston, the piston is provided with a wear-resistant ring besides the sealing ring, and the swing type pneumatic cylinder is simple and compact in structure, small in size, light in weight, good in sealing performance, not prone to air leakage, simple to process.
Optionally, the weight sensor 8 can convert the mass signal into a measurable electrical signal for output, and the measurable electrical signal is composed of a weighing sensor, a connecting piece, a limiting device, a junction box and other parts, wherein the grain falls on the table top of the load carrier of the weight sensor 8, and the gravity is transmitted to the aging sensor through the load carrier under the action of gravity, so that the elastic body of the weighing sensor is deformed, the strain gauge bridge circuit attached to the elastic body loses balance, and outputs an electrical signal in direct proportion to the weight value, the signal is amplified by a linear amplifier and then converted into a digital signal through A/D (analog to digital) conversion, and the weight data is directly displayed after being processed by a microprocessor of the instrument. The weight sensor 8 uses twisted copper wire to form an electrical bypass to protect the sensor from damage caused by electrical welding currents or lightning strikes.
The outer wall of the box body 3 is provided with a hot blast stove 12, the hot blast stove 12 comprises a filter screen, a fan, a heating sheet, an air outlet pipeline and an air outlet, and the air outlet of the hot blast stove 12 is communicated with the inner space of the box body 3.
The lower extreme of box 3 is equipped with ejection of compact screw feeder 13, and ejection of compact screw feeder 13 is epaxial through the special-shaped hole cover on screw feeder transmission shaft 132, and is fixed through the round pin, and screw feeder helical blade 133 covers on screw feeder transmission shaft 132, and 3 one side lower parts of box are equipped with the bin outlet, and the bin outlet is linked together with the inner space of box.
The inside humidity transducer 10 that sets up of box, humidity transducer 10 and controller 11 are connected, and when humidity was too big in the box, the play fan 142 of tuber pipe 141 was opened automatically, and the stoving condition in the automatically regulated box ensures to dry optimality, and the inside temperature sensor 9 that sets up of box, when the high temperature in the box, the automatic shutdown work of the motor of hot-blast furnace 12, the play fan 142 of tuber pipe 141 was opened automatically, and the stoving condition in the automatically regulated box ensures to dry optimality.
The humidity sensor 10 can be made of a humidity-sensitive capacitor made of a polymer film capacitor, the polymer material is polystyrene, when the humidity in the surrounding environment of the grain changes, the dielectric constant of the humidity-sensitive capacitor changes, so that the capacitance of the humidity-sensitive capacitor also changes, and the capacitance change is in direct proportion to the relative humidity.
Optionally, the grain drying equipment further comprises a lifter 1, the lifter 1 comprises a material suction port 1-1, a conveying pipeline 1-2, a vertical screw conveyor 1-3 and a material discharge port 1-4, the bottom end of the conveying pipeline 1-2 is communicated with the material suction port 1-1, the top end of the conveying pipeline 1-2 is communicated with the material discharge port 1-4, the vertical screw conveyor 1-3 is connected with the conveying pipeline 1-2, the material discharge port 1-4 is arranged above the material feeding bin 4, wherein the vertical screw conveyor 1-3 comprises a screw conveyor motor 1-3-1, a screw conveyor transmission shaft 1-3-2 and a screw conveyor helical blade 1-3-3, a special-shaped hole on the screw conveyor transmission shaft 1-3-2 is sleeved on the screw conveyor motor 1-3-1 shaft and is fixed through a pin, the auger helical blade 1-3-3 is sleeved on the auger transmission shaft 1-3-2.
Optionally, the grain drying equipment further comprises a discharging device 15, the discharging device 15 comprises a discharging pipeline 151, a discharging fan 152, a discharging bin 153 and an air outlet 154, the discharging pipeline 151 is communicated with the inside of the discharging bin 153, one end of the discharging bin 153, far away from the discharging pipeline 151, is connected with the box body 3, the discharging fan 152 is arranged at the interface of the discharging pipeline 151 and the discharging bin 153, and the air outlet 154 is arranged on the upper portion of one side of the discharging bin.
Optionally, the grain drying equipment further includes a dust removing device 14, and the dust removing device 14 includes an air outlet pipe 141, a dust collecting chamber 143, an air outlet machine 142, a level meter 144, a dust outlet 145 and a dust outlet valve 146.
The air outlet pipe 141 is arranged at one side of the box body 3 and communicated with the interior of the box body 3, an air outlet machine 142 is arranged at the outlet end of the air outlet pipe 141, a dust collecting chamber 143 is connected to the lower portion of the air outlet pipe 141, the shape of the dust collecting chamber 143 can be semicircular or bucket-shaped, a material level meter 144 is arranged on the inner wall of the dust collecting chamber 143, the material level meter 144 is connected with the controller 11, a dust exhaust port 145 is connected to the lower portion of the dust collecting chamber 143, and a dust exhaust valve 146 is arranged on the.
When the level meter 144 measures the height signal of the sundries in the dust collecting chamber 143, the signal is transmitted to the controller 11, and the controller 11 controls the dust discharging valve 146 on the dust discharging port 145 to open to discharge the sundries.
Example 2
A control method of grain drying equipment comprises the following steps of sequentially carrying out the following steps on a baffle plate in a drying box from bottom to top:
s1, controlling the nth baffle to rotate to a working position, wherein N belongs to {1, 2, … …, N }, and N is the number of the baffles;
s2, controlling the electromagnetic valve corresponding to the nth baffle to be opened, and enabling the grains to be scattered on the nth baffle;
s3, detecting the nth weight signal of the grain on the nth baffle;
s4, when the nth weight signal reaches a weight threshold value, controlling the electromagnetic valve corresponding to the nth baffle to be closed;
optionally, the grain drying equipment control method further includes the following steps:
s5 after the grains reach the preset drying time, the baffles in the drying equipment are controlled to fall down from bottom to top in sequence.
The operation of the grain drying device will be described in detail below, for example, the grains enter from the material suction port 1-1 of the elevator 1, are conveyed to the top end by the vertical auger 1-3, enter the total feed port 41 from the outlet of the conveying pipeline 1-2, enter the total feed port 41 of the total feed port 41, enter the feed bin 4, and are conveyed to the feed port 61 by the feed auger 5.
The controller 11 controls the cylinder 72 corresponding to the first baffle 71 at the bottom of the box body 3 to move, and the cylinder 72 pulls the first baffle 71 to rotate to the working position.
The controller 11 controls the electromagnetic valve 62 on the feed port 61 corresponding to the first baffle 71 to open, so that the grains are scattered on the first baffle 71.
The first weight sensor 8 acquires a first weight signal of the grains on the first baffle 71, and controls the electromagnetic valve 62 corresponding to the first baffle 71 to be closed when the first weight signal reaches a weight threshold value, so that the circulation is performed until all the baffles 71 are fully filled with the grains.
During the charging process, the controller 11 controls the air outlet machine 142 on the air outlet pipe 141 to be opened, in the process that the grains fall on the baffle 71, the impurities in the grains enter the dust collection chamber 143 through the air outlet pipe 141, when the level gauge 144 in the dust collection chamber 143 acquires that the impurity quantity signal in the dust collection chamber 143 reaches a threshold value, the threshold value signal is transmitted to the controller 11, the controller 11 controls the dust exhaust valve 145 to be opened, the impurities in the dust collection chamber 143 are exhausted, and the air outlet pipe 141 is opened in the whole charging process until the charging process is finished.
After the charging is finished, the controller 11 controls a fan of the hot blast stove 12 to be started, cold air enters the hot blast stove 12, impurities are removed through a filter screen, the impurities are heated through a heating sheet and enter the box body 3, hot air flow is formed in the box body 3 and flows to the top of the box body from the bottom of the box body in a spiral shape, when the temperature sensor 9 obtains that the temperature in the box body 3 rises to 120 ℃, a temperature signal is transmitted to the controller 11, and the controller 11 controls the hot blast stove 12 to be automatically adjusted to a heat preservation state.
When the grain on the baffle 71 reaches the preset drying time of 1h, the humidity sensor 10 acquires the moisture content of the grain, when the moisture content of the grain reaches the preset moisture content of the grain, the signal is transmitted to the controller 11, the controller 11 controls the first baffle 71 to begin to blank, after the grain on the first baffle falls off, the weight sensor 8 on the first baffle transmits the acquired weight signal to the controller 11, the air cylinder 72 is controlled to move, so that the first baffle 71 is pulled to be restored to the original position, and the blanking process is circulated in sequence.
Cereal falls in the lower extreme of box 3, carries to the bin outlet of box 3 one side lower part through ejection of compact screw feeder 13 that box 3 lower extreme was equipped with, opens the row's of feed bin 153 material fan 152 when baffle 71 begins the blanking for the cereal of bin outlet gets into out feed bin 153 through discharge pipe 151.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It will be understood that the present application is not limited to what has been described above and shown in the accompanying drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (8)
1. The grain drying equipment is characterized by comprising a box body (3), a feeding bin (4), a feeding auger (5), a feeding hole (61), an electromagnetic valve (62), a baffle plate (71), an air cylinder (72), a weight sensor (8), a hot blast stove (12), a discharging auger (13) and a controller (11); a temperature sensor (9) and a humidity sensor (10) are also arranged in the drying box; the temperature sensor (9) and the humidity sensor (10) are both connected with the controller (11);
the feeding bin (4) is arranged at the upper end of the box body (3), the feeding auger (5) is arranged in the feeding bin (4), the feeding holes (61) communicated with the box body (3) are formed in the bottom of the feeding bin (4), and each feeding hole (61) is provided with an electromagnetic valve (62);
a plurality of baffles (71) are arranged on the inner wall of the box body (3), and two adjacent baffles (71) are arranged on two opposite first inner walls (311); one end of the baffle plate (71) is movably connected with the second inner wall (312), and the bottom of the baffle plate (71) is fixed on the second inner wall (312) through the air cylinder (72); the length of the baffle (71) is smaller than the distance between the two opposite first inner walls (311), the first inner walls (311) are perpendicular to the second inner walls (312), and each baffle (71) is provided with a weight sensor (8); the outer wall (32) of the box body (3) is provided with a hot blast stove (12), and an air outlet of the hot blast stove (12) is communicated with the inner space of the box body (3);
the lower end of the box body (3) is provided with the discharging auger (13);
the electromagnetic valve (62), the air cylinder (72) and the weight sensor (8) are all connected with the controller (11);
wherein, when drying cereal, controller (11) control baffle (71) rotate to the work position, with solenoid valve (62) that baffle (71) correspond are opened, make cereal unrestrained on baffle (71), detect the weight signal of cereal on baffle (71), when weight signal reaches the weight threshold value, controller (11) control is closed with solenoid valve (62) that baffle (71) correspond, after cereal reaches predetermined drying time, and baffle (71) in controlling box (3) from bottom to top in proper order fall, accomplish the drying process to cereal.
2. Grain drying apparatus according to claim 1, characterised in that each baffle (71) is composed of two opposite sub baffles (711); the sub-baffles (711) are fixed on the two second inner walls (312) through the cylinders (72), respectively.
3. Grain drying apparatus according to claim 1, characterised in that the inner wall (31) and the outer wall (32) of the drying box are made of stainless steel and that an insulating layer is provided between the inner wall (31) and the outer wall (32) of the drying box.
4. The grain drying equipment according to claim 1, further comprising a lifter (1), wherein the lifter (1) comprises a material suction port (1-1), a conveying pipeline (1-2), a vertical auger (1-3) and a material discharge port (1-4), the bottom end of the conveying pipeline (1-2) is communicated with the material suction port (1-1), the top end of the conveying pipeline (1-2) is communicated with the material discharge port (1-4), the vertical auger (1-3) is connected with the conveying pipeline (1-2), and the material discharge port (1-4) is arranged above the material feeding bin (4).
5. The grain drying equipment according to claim 1, further comprising a discharging device (15), wherein the discharging device comprises a discharging pipeline (151), a discharging fan (152), a discharging bin (153) and an air outlet (154), the discharging pipeline (151) is communicated with the inside of the discharging bin (153), one end of the discharging pipeline (151) far away from the discharging bin (153) is connected with the box body (3), the discharging fan (152) is arranged at a joint of the discharging pipeline (151) and the discharging bin (153), and the air outlet (154) is arranged at the upper part of one side of the discharging bin (153).
6. The grain drying equipment according to claim 4, further comprising a dust removing device (14), wherein the dust removing device (14) comprises an air outlet pipe (141), an air outlet machine (142), a dust collecting chamber (143), a level meter (144), a dust outlet (145) and a dust exhaust valve (146), an inlet end of the air outlet pipe (141) is connected with the box body (3), the air outlet machine (142) is arranged at an outlet end of the air outlet pipe (141), the dust collecting chamber (143) is arranged at the lower part of the air outlet pipe (141), the level meter (144) is arranged on the inner wall of the dust collecting chamber (143), the dust exhaust port (145) is arranged at the lower part of the dust collecting chamber (143), and the dust exhaust valve (146) is arranged on the dust exhaust port (145).
7. A grain drying apparatus control method, characterized in that the following steps are performed for a baffle in the drying apparatus of any one of claims 1 to 6 in sequence from bottom to top:
s1, controlling the nth baffle to rotate to a working position, wherein N belongs to {1, 2, … …, N }, and N is the number of the baffles;
s2, controlling the electromagnetic valve corresponding to the nth baffle to be opened, and enabling the grains to be scattered on the nth baffle;
s3, detecting the nth weight signal of the grain on the nth baffle;
and S4, when the nth weight signal reaches a weight threshold value, controlling the electromagnetic valve corresponding to the nth baffle to be closed.
8. The grain drying apparatus control method according to claim 7, further comprising the steps of:
s5 after the grains reach the preset drying time, the baffles in the drying equipment are controlled to fall down from bottom to top in sequence.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108731412A (en) * | 2018-06-20 | 2018-11-02 | 芜湖裕优机械科技有限公司 | A kind of grain drying device and its furnace drying method |
| CN110671896A (en) * | 2018-07-02 | 2020-01-10 | 江西省农业科学院农产品质量安全与标准研究所 | Negative-pressure continuous dryer and continuous drying method |
| CN110447944B (en) * | 2019-08-19 | 2021-08-17 | 江西中烟工业有限责任公司 | Safety exhaust equipment for tobacco drying |
| CN110425861B (en) * | 2019-08-26 | 2020-06-30 | 安徽金锡机械科技有限公司 | Circulating high-voltage electric field grain seed drying machine |
| CN111023729A (en) * | 2019-11-26 | 2020-04-17 | 徐州天骋智能科技有限公司 | Building material drying device |
| CN110906714B (en) * | 2019-12-03 | 2021-08-24 | 芜湖市玉农生态农业有限公司 | High-efficient turn-down drying device for organic rice |
| CN111219962A (en) * | 2020-03-10 | 2020-06-02 | 邢台市天元星食品设备有限公司 | Nut drying device with real-time moisture content monitoring function |
| CN112170185B (en) * | 2020-08-12 | 2021-12-07 | 安徽龙成山油茶科技发展有限公司 | Camellia oleifera is planted and is air-dried screening installation with seed |
| CN113280610B (en) * | 2021-05-31 | 2022-06-07 | 安徽华谷机械科技有限公司 | Grain drying-machine of gradient dehydration |
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