CN110542301A - Drying process for grains by adopting hot air drying mode - Google Patents

Drying process for grains by adopting hot air drying mode Download PDF

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Publication number
CN110542301A
CN110542301A CN201910946065.8A CN201910946065A CN110542301A CN 110542301 A CN110542301 A CN 110542301A CN 201910946065 A CN201910946065 A CN 201910946065A CN 110542301 A CN110542301 A CN 110542301A
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CN
China
Prior art keywords
cooling
grains
feeding
drying
pipe
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Granted
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CN201910946065.8A
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Chinese (zh)
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CN110542301B (en
Inventor
祝磊
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Heilongjiang Beichun agricultural products development Co.,Ltd.
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祝磊
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Priority to CN201910946065.8A priority Critical patent/CN110542301B/en
Publication of CN110542301A publication Critical patent/CN110542301A/en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/04—Stationary flat screens
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D1/00—Devices using naturally cold air or cold water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
    • F26B17/22—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being vertical or steeply inclined
    • 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
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • 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
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • 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
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
    • Y02A40/963—Off-grid food refrigeration

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Zoology (AREA)
  • Polymers & Plastics (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Thermal Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a process for drying grains by adopting a hot air drying mode, which comprises the following steps: after the worker pours the grains into the feeding mechanism, the power mechanism operates and drives the feeding mechanism to convey the grains into the storage area of the transition mechanism; after the grains are conveyed into the transition mechanism, the high-pressure fan operates, moisture attached to the surfaces of the grains is sucked through the air suction pipe, the grains are blown outwards through the cooling air pipe/blast pipe, the wind power of the blast pipe is heated by the heater and then blown into the transition mechanism, then the grains in the transition mechanism are blown into the drying tank by hot wind, the grains are dried in the drying tank by taking the hot wind as a drying source and turning the grains into a drying mode in a suspension ascending mode, the dried grains are blown into the separation mechanism by the hot wind, and the grains and the hot wind are separated and output into the cooling and discharging device through different channels; the grain in the separating mechanism is discharged after being cooled by a multistage cooling mode through a cooling and discharging device and is carried away by workers.

Description

drying process for grains by adopting hot air drying mode
Technical Field
The invention relates to the field of grain processing, in particular to a grain drying process.
Background
Grain is one of the staple foods common in people's life, the demand is foreseeable, so the grain storage is impossible or deficient, grain such as rice, wheat and the like is subjected to a drying process before being put in storage so as to discharge redundant moisture and prolong the storage period, the grain is different from other crops, the moisture content of the grain collected from a combine harvester is very large and can reach 30-50%, grain drying equipment is generally adopted for drying the grain in the prior art, the grain drying equipment is machinery and equipment for reducing the moisture content of grain granules, the grain drying equipment is used for creating conditions for moisture vaporization in the grain, the conditions comprise that the relative humidity of air around the grain is reduced by a manual method, the grain is promoted to release water vapor by using a medium, and the existing grain drying equipment on the market is various in types, but the problem of uneven drying generally exists, the invention designs a grain dryer, which adopts hot air as a drying source to heat and dry grains in a drying mode of suspending, ascending and rolling the grains, so that the grains are dried more thoroughly.
Disclosure of Invention
in order to solve the defects of the prior art, the invention aims to provide a grain drying process, which adopts hot air as a drying source and performs drying on grains in a suspension lifting turnover drying mode, and a blowing mechanism can perform surface moisture suction treatment on the grains before the grains are dried, so that the grains are dried more uniformly and thoroughly.
in order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The process for drying the grains by adopting a hot air drying mode comprises the following steps:
s1: the feeding device operates and carries out grain conveying;
The feeding device comprises a power mechanism, a feeding mechanism and a transition mechanism, wherein the power mechanism is used for providing power for the operation of the feeding mechanism, and the feeding mechanism is used for operating under the action of the power provided by the power mechanism and conveying grains into the transition mechanism;
the transition mechanism comprises a transition shell, a rotating shaft, a screen and a separation support, the transition shell is a circular shell structure with one open end and one closed end and horizontally fixed on the mounting frame body, the open end of the transition shell is positioned below the closed end, the open end is matched with a closed end cover, the closed end of the transition shell is provided with an air suction hole, a discharge hole and a feed hole, the closed end of the transition shell is also coaxially provided with a through hole, and the closed end cover is provided with a connecting hole coaxially arranged with the air suction hole and a blowing hole coaxially arranged with the discharge hole;
the rotating shaft is coaxially and movably arranged in the transition shell, the top end of the rotating shaft can penetrate through the through hole and is positioned above the transition shell, and the rotating shaft can axially rotate around the rotating shaft;
The screen and the separating bracket are both arranged in the transition shell and are horizontally fixed outside the rotating shaft, the screen is positioned under the separating bracket, the screen is in contact with the separating bracket, the separating bracket uniformly separates the screen into a plurality of groups of storage areas for storing grains along the circumferential direction of the rotating shaft, and the rotating shaft rotates and pulls the screen and the separating bracket to synchronously rotate;
the feeding mechanism is positioned above the transition mechanism and is communicated with the feeding hole;
After the worker pours the grains into the feeding mechanism, the power mechanism operates and drives the feeding mechanism to convey the grains into the storage area of the transition mechanism, and the rotating shaft rotates and pulls the screen mesh/the separation bracket/the grains to synchronously rotate while the feeding mechanism feeds the grains;
S2: the hot air drying device operates and dries the grain;
The hot air drying device comprises an air blowing mechanism, a heater, a drying tank and a separating mechanism, wherein the air blowing mechanism is used for providing wind power for grain drying/grain cooling, the heater is used for heating grain drying wind power into hot air, and grains are heated and dried by the hot air in the drying tank, and the separating mechanism is used for separating the dried grains from the hot air and outputting the hot air and the dried grains from different channels;
the air blowing mechanism comprises a high-pressure fan, a cooling air pipe, an air inlet pipe, a blast pipe and an air suction pipe, the high-pressure fan is fixed on the mounting frame body, the cooling air pipe/the air inlet pipe/the blast pipe are connected and communicated with the high-pressure fan, an air inlet cap is arranged on the air inlet pipe, wind power is sucked into the high-pressure fan from the air inlet pipe and is finally blown out from the cooling air pipe/the blast pipe, one end of the air suction pipe is connected and communicated with the air suction hole, the other end of the air suction pipe is provided with the air inlet cap, and the free end of the air inlet pipe;
The heater is fixed on the mounting frame body and connected with the blast pipe, the heater is used for heating wind power blown out by the blast pipe into hot wind, a fixed pipe is arranged between the heater and the blast hole and is connected and communicated with the heater through the fixed pipe, and the hot wind is blown into the transition mechanism through the fixed pipe;
the drying tank is of a circular tank body structure with openings at two ends and is vertically fixed on the mounting frame body, the bottom end of the drying tank is communicated with the discharge hole, and the top end of the drying tank is communicated with the separating mechanism;
after the grains are conveyed into the transition mechanism, the high-pressure fan operates, moisture attached to the surfaces of the grains is sucked through the air suction pipe, the grains are blown outwards through the cooling air pipe/blast pipe, the wind power of the blast pipe is heated by the heater and then blown into the transition mechanism, then the grains in the transition mechanism are blown into the drying tank by hot wind, the grains are dried in the drying tank by taking the hot wind as a drying source and turning the grains into a drying mode in a suspension ascending mode, the dried grains are blown into the separation mechanism by the hot wind, and the grains and the hot wind are separated and output into the cooling and discharging device through different channels;
s3: the cooling and discharging device is used for cooling and discharging grains;
The cooling discharging device comprises a primary cooling discharging mechanism for receiving the grain output by the separating mechanism and performing primary cooling treatment on the grain, and a secondary cooling discharging mechanism for receiving the grain output by the primary cooling discharging mechanism and performing secondary cooling treatment on the grain;
The first-stage cooling and discharging mechanism is positioned right above the separating mechanism and comprises a cooling tank, a first-stage wind cooling component and a material conveying component, wherein the first-stage wind cooling component is used for receiving hot wind output by the separating mechanism, cooling the hot wind and conveying the hot wind into the cooling tank, and the material conveying component is used for receiving grains output by the separating mechanism and conveying the grains into the cooling tank;
grain in the separating mechanism is carried to the cooling tank through defeated material component, hot-blast being carried to the cooling tank in the separating mechanism after the one-level wind-force cooling component reduces the temperature, and hot-blast after the cooling carries out the one-level cooling to grain and handles and blow it to the second grade cooling discharge mechanism in, and grain carries out the second grade cooling with the wind-force that the cooling tuber pipe was blown in the second grade cooling discharge mechanism, and grain after the cooling is discharged and is transported away by the staff through second grade cooling discharge mechanism bottom.
As a further improvement of the present solution.
the feeding mechanism is positioned above the transition mechanism and comprises a feeding pipeline, a feeding auger and a feeding hopper, the feeding pipeline is horizontally fixed on the mounting frame body, the feeding pipeline is vertically fixed on the mounting frame body, the bottom end of the feeding pipeline is communicated with the feeding hole, the top end of the feeding pipeline is provided with an exhaust cap, and the feeding pipeline is communicated with the feeding pipeline;
The feeding auger is coaxially and movably arranged in the feeding pipeline and can rotate around the axial direction of the feeding auger, and the power input end of the feeding auger penetrates through the feeding pipeline and is positioned on one side of the feeding pipeline, which is far away from the feeding pipeline;
The feeding hopper is fixed on the mounting frame body and is positioned right above the feeding pipeline, the feeding hopper is communicated with the feeding pipeline, and the horizontal cross sectional area of the feeding hopper is increased progressively from bottom to top;
The power mechanism comprises a feeding motor, the feeding motor is vertically fixed on the mounting frame body, a first power transmission component is arranged between the power output end of the feeding motor and the top end of the rotating shaft, power transmission is carried out between the first power transmission component and the rotating shaft, a second power transmission component is arranged between the top end of the rotating shaft and the power input end of the feeding auger, power transmission is carried out between the second power transmission component and the rotating shaft through the second power transmission component, the first power transmission component is a belt transmission component, and the second power transmission component is a bevel gear component.
as a further improvement of the present solution.
the drying tank is of a circular tank body structure with openings at two ends and is vertically fixed on the mounting frame body, the drying tank can be divided into three sections from bottom to top along the self axial direction and is respectively a first circular truncated cone section, a cylindrical section and a second circular truncated cone section, the small end of the first circular truncated cone section is connected and communicated with the discharge hole, the large end of the first circular truncated cone section is connected and communicated with the bottom end of the cylindrical section, and the top end of the cylindrical section is connected and communicated with the large end of the second circular truncated cone section;
The separation mechanism is positioned right above the drying tank and comprises a separation shell and a separation plate, the separation shell is of a shell structure provided with an inner cavity and is fixed on the mounting frame body, the separation plate is of a round platform structure with two open ends and is axially vertical to the ground, the large end of the separation plate is fixed at the cavity bottom of the separation shell, the inner cavity of the separation shell is divided into a wind power area positioned inside the separation plate and a grain area positioned outside the separation plate by the separation plate, and a plurality of groups of clearance holes are uniformly formed in the outer surface of the separation plate and are used for preventing grains from entering the wind power area;
The top of separation shell seted up the ejection of compact nozzle of a plurality of groups and self grain district switch-on, the bottom of separation shell seted up with the coaxial feeding nozzle of arranging of separator plate and the top of feeding nozzle extend to with the tip of separator plate connect the switch-on, the bottom of feeding nozzle extends to and is connected the switch-on with two tip of round platform section of stoving jar, the air-out nozzle of a plurality of groups and self wind power district switch-on is still seted up to the bottom of separation shell, ejection of compact nozzle/air-out nozzle evenly seted up four groups.
as a further improvement of the present solution.
the cooling tank comprises a cooling tank body vertically fixed on the mounting frame body, the outer surface of the cooling tank body is provided with an air inlet hole and material conveying holes positioned above the air inlet hole, and four groups of air inlet holes/material conveying holes are correspondingly arranged;
The cooling tank body is also internally fixed with a flow stabilizing piece which is positioned between the air inlet hole and the material conveying hole and used for enabling wind power to rise in a uniformly dispersed state, the flow stabilizing piece comprises an inner ring body, an outer ring body and flow stabilizing sheets, the outer ring body is coaxially fixed in the cooling tank body, the flow stabilizing sheets are obliquely fixed between the inner ring body and the outer ring body, and a plurality of groups of the flow stabilizing sheets are arrayed along the circumferential direction of the outer ring body;
the first-stage wind cooling component comprises a radiator fixed on the mounting frame body, a first connecting pipe is arranged between the radiator and the air outlet nozzle and is communicated with the radiator through the first connecting pipe, a second connecting pipe is arranged between the radiator and the air inlet hole and is communicated with the radiator through the second connecting pipe, and four groups of first-stage wind cooling components are correspondingly arranged;
the conveying component comprises a conveying part and a driving part, the conveying part comprises a conveying pipeline and conveying augers, the conveying pipeline is vertically fixed on the mounting frame body, the bottom end of the conveying pipeline is connected and communicated with the discharging connecting nozzle, the connecting nozzle is also arranged outside the conveying pipeline and is obliquely arranged, the distance between the connecting nozzle and the conveying pipeline is gradually reduced from bottom to top, the connecting nozzle is also connected and communicated with the conveying hole, the conveying augers are coaxially mounted in the conveying pipeline and can rotate around the axial direction of the conveying augers, the top ends of the conveying augers are positioned above the conveying pipeline, the bottom ends of the conveying augers are positioned in the discharging connecting nozzle, and the conveying part is correspondingly provided with four groups;
the driving piece include defeated material motor, gear, ring gear, support frame, on the support frame is fixed in the installation support body, defeated material motor is vertical to be fixed in on the support frame, the coaxial height of gear and the top outside of defeated material auger and gear correspondence are provided with four groups, ring gear movable mounting on the support frame and ring gear and four group's gear all mesh.
As a further improvement of the present solution.
the secondary cooling discharging mechanism comprises a material receiving component for receiving the grain cooled and output by the primary cooling discharging mechanism and a secondary wind cooling component for carrying out secondary cooling treatment on the grain and outputting the grain;
The material receiving component comprises a material receiving pipeline vertically arranged on the mounting frame body, a communicating pipe is arranged between the material receiving pipeline and the top end of the cooling tank body, and the material receiving pipeline and the top end of the cooling tank body are connected and communicated through the communicating pipe;
An air exhaust piece is arranged outside the material receiving pipeline and comprises an air outlet pipe communicated with the material receiving pipeline and a blocking net arranged at the communicated position of the air outlet pipe and the material receiving pipeline;
the exhaust pieces are provided with two groups, one group is arranged on the side surface of the material receiving pipeline deviating from the through pipe, and the other group is arranged at the top end of the material receiving pipeline;
The free end of the air outlet pipe is provided with a dust remover in a matching way;
The secondary wind cooling component is positioned right above the cooling air pipe and comprises a discharge pipeline, the discharge pipeline is obliquely fixed on the mounting frame body, and the top end of the discharge pipeline is connected and communicated with the bottom end of the material receiving pipeline;
a shutter is arranged on the side surface of the discharge pipeline facing the cooling air pipe;
The side of the discharging pipeline, which is far away from the cooling air pipe, is provided with a plurality of groups of air outlet holes.
as a further improvement of the present solution.
the outside still matching of installation support body be provided with the installation housing, and material feeding unit, hot air drying device, cooling discharging device all are located the installation housing to material feeding unit's hopper, cooling discharging device's ejection of compact pipeline bottom all stretch out to the installation housing outside, the installation housing outside still corresponds and is provided with the heat dissipation window.
Compared with the prior art, the grain drying device has the advantages that hot air is used as a drying source, the grain is dried in a suspension lifting turnover drying mode, and before the grain is blown into the drying tank for drying, the air blowing mechanism can suck surface moisture of the grain, so that the subsequent grain drying effect is better; when the grains are dried in the drying tank, the grains are blown upwards by wind power, so that the grains rise in a rolling manner, and the drying is more uniform and thorough; the grain after the stoving is cooled down the processing through cooling discharging device in ejection of compact in-process, avoid dry and the higher grain of temperature to appear moisture when storing in follow-up closed environment, the while cooling divide into the two-stage again, the one-level cooling is through cooling down to the stoving hot-blast and with this for the cooling source, the wind-force that the cooling tuber pipe was blown is used as the cooling source to the second grade cooling, lower the temperature to grain through twice mode that the temperature reduces gradually, can effectively avoid the grain surface to produce the situation emergence of crackle because of the short time cooling.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
fig. 2 is a schematic view of the internal structure of the present invention.
fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a schematic structural diagram of the feeding device of the present invention.
Fig. 5 is a schematic structural diagram of the transition mechanism of the present invention.
fig. 6 is a view of the internal components of the transition mechanism of the present invention.
Fig. 7 is a matching view of the transition mechanism and the feeding mechanism of the present invention.
Fig. 8 is a cross-sectional view of the feed mechanism of the present invention.
fig. 9 is a schematic structural diagram of the power mechanism of the present invention.
Fig. 10 is a schematic structural view of the hot air drying device of the present invention.
Fig. 11 is a view of the blower mechanism of the present invention in cooperation with a transition mechanism.
Fig. 12 is a partial schematic view of a hot air drying device according to the present invention.
Fig. 13 is a cross-sectional view of the separating mechanism of the present invention.
fig. 14 is a schematic structural diagram of the cooling and discharging device of the present invention.
fig. 15 is a schematic structural view of the primary cooling and discharging mechanism of the present invention.
fig. 16 is a schematic structural view of the cooling tank of the present invention.
fig. 17 is a schematic view of the flow stabilizer of the present invention.
FIG. 18 is a schematic structural view of a primary wind cooling structure of the present invention.
Fig. 19 is a schematic structural view of the material conveying part of the invention.
Fig. 20 is a schematic structural view of the driving member of the present invention.
Fig. 21 is a schematic structural view of the secondary cooling discharging mechanism of the present invention.
fig. 22 is a schematic structural view of the receiving member of the present invention.
FIG. 23 is a cross-sectional view of a secondary air cooling structure of the present invention.
Detailed Description
The process for drying the grains by adopting a hot air drying mode comprises the following steps:
s1: the feeding device 100 operates and carries out grain conveying;
the feeding device 100 comprises a power mechanism 110, a feeding mechanism 120 and a transition mechanism 130, wherein the power mechanism 110 is used for providing power for the operation of the feeding mechanism 120, and the feeding mechanism 120 is used for operating under the power provided by the power mechanism 110 and conveying grains into the transition mechanism 130;
The transition mechanism 130 comprises a transition shell 131, a rotating shaft 133, a screen 134 and a separation bracket 135, wherein the transition shell 131 is a circular shell structure with one open end and one closed end and horizontally fixed on the mounting frame body, the open end of the transition shell 131 is positioned below the closed end, the open end is provided with a closed end cover 132 in a matching manner, the closed end of the transition shell 131 is provided with an air suction hole 1311, a discharge hole 1312 and a feed hole 1313, the closed end of the transition shell 131 is also coaxially provided with a through hole, the closed end cover 132 is provided with a connecting hole 1321 coaxially arranged with the air suction hole 1311 and a blowing hole 1322 coaxially arranged with the discharge hole 1312;
The rotating shaft 133 is coaxially and movably arranged in the transition shell 131, the top end of the rotating shaft 133 can penetrate through the through hole and is positioned above the transition shell 131, and the rotating shaft 133 can axially rotate around the rotating shaft;
The screen 134 and the separating bracket 135 are both arranged in the transition shell 131 and are horizontally fixed outside the rotating shaft 133, the screen 134 is positioned under the separating bracket 135, the screen 134 is in contact with the separating bracket 135, the separating bracket 135 uniformly separates the screen 134 into a plurality of groups of storage areas for storing grains along the circumferential direction of the rotating shaft 133, and the rotating shaft 133 rotates and pulls the screen 134 and the separating bracket 135 to synchronously rotate;
The feeding mechanism 120 is positioned above the transition mechanism 130, and the feeding mechanism 120 is communicated with the feeding hole 1313;
after the worker pours the grains into the feeding mechanism 120, the power mechanism 110 operates and drives the feeding mechanism 120 to convey the grains into the storage area of the transition mechanism 130, and the rotating shaft 133 rotates and pulls the screen 134/the separation bracket 135/the grains to synchronously rotate while the feeding mechanism 120 feeds the grains;
S2: the hot air drying device 200 operates and performs drying treatment on the grains;
the hot air drying device 200 comprises an air blowing mechanism 210, a heater 220, a drying tank 230 and a separating mechanism 240, wherein the air blowing mechanism 210 is used for providing wind power for grain drying/grain cooling, the heater 220 is used for heating grain drying wind power into hot air, and the grain is heated and dried by the hot air in the drying tank 230, and the separating mechanism 240 is used for separating the dried grain from the hot air and outputting the grain and the hot air from different channels;
The blowing mechanism 210 comprises a high-pressure fan 211, a cooling air pipe 212, an air inlet pipe 213, a blowing pipe 214 and an air suction pipe 215, wherein the high-pressure fan 211 is fixed on the mounting frame body, the cooling air pipe 212/the air inlet pipe 213/the blowing pipe 214 are connected and communicated with the high-pressure fan 211, an air inlet cap is arranged on the air inlet pipe 213, wind power is sucked into the high-pressure fan 211 through the air inlet pipe 213 and finally blown out through the cooling air pipe 212/the blowing pipe 214, one end of the air suction pipe 215 is connected and communicated with an air suction hole 1311, the other end of the air suction pipe 215 is provided with an air inlet cap, and the free end of the air inlet pipe 213 is connected;
The heater 220 is fixed on the mounting frame body, the heater 220 is connected with the blast pipe 214, the heater 220 is used for heating the wind blown out from the blast pipe 214 into hot wind, a fixed pipe is arranged between the heater 220 and the blast hole 1322, the fixed pipe is connected and communicated with the heater 220 and the blast hole 1322, and the hot wind is blown into the transition mechanism 130 through the fixed pipe;
the drying tank 230 is a circular tank structure with openings at two ends and is vertically fixed on the mounting frame body, the bottom end of the drying tank 230 is communicated with the discharge hole 1312, and the top end of the drying tank 230 is communicated with the separating mechanism 240;
After the grains are conveyed into the transition mechanism 130, the high-pressure fan 211 operates, sucks moisture attached to the surfaces of the grains through the air suction pipe 215, blows the moisture outwards through the cooling air pipe 212/the blast pipe 214, the wind power of the blast pipe 214 is heated by the heater 220 and then blows the moisture into the transition mechanism 130, then the grains in the transition mechanism 130 are blown into the drying tank 230 by hot air, the grains are dried in the drying tank 230 by using the hot air as a drying source and turning the grains into a drying mode through suspension lifting, the dried grains are blown into the separation mechanism 240 by the hot air, and the grains and the hot air are separated and output into the cooling and discharging device 300 through different channels;
S3: the cooling and discharging device 300 cools and discharges grains;
the cooling and discharging device 300 comprises a primary cooling and discharging mechanism 310 for receiving the grains output by the separating mechanism 240 and performing primary cooling treatment on the grains, and a secondary cooling and discharging mechanism 320 for receiving the grains output by the primary cooling and discharging mechanism 310 and performing secondary cooling treatment on the grains;
the primary cooling and discharging mechanism 310 is located right above the separating mechanism 120, the primary cooling and discharging mechanism 310 includes a cooling tank 3110, a primary wind cooling member 3120, and a material conveying member 3130, the primary wind cooling member 3120 is configured to receive hot wind output by the separating mechanism 240, perform cooling treatment on the hot wind, and convey the hot wind into the cooling tank 3110, and the material conveying member 3130 is configured to receive grains output by the separating mechanism 240 and convey the grains into the cooling tank 3110;
Grain in separating mechanism 240 is carried to in cooling tank 3110 through defeated material component 3130, hot-blast in separating mechanism 240 is carried to in cooling tank 3110 after the primary wind-force cooling component 3120 reduces the temperature, and hot-blast after the cooling carries out the primary cooling to grain and blows it to in second grade cooling discharge mechanism 320, and grain carries out the second grade with the wind-force that cooling tuber pipe 212 was blown in second grade cooling discharge mechanism 320 and is cooled down, and grain after the cooling is discharged and is carried away by the staff through second grade cooling discharge mechanism 320 bottom.
the invention adopts hot air as a drying source and adopts a suspension lifting turnover to drying mode to dry the grains, and has the advantages that before the grains are blown into the drying tank to be dried, the air blowing mechanism can suck the surface moisture of the grains, so that the subsequent grain drying effect is better; when the grains are dried in the drying tank, the grains are blown upwards by wind power, so that the grains rise in a rolling manner, and the drying is more uniform and thorough; the grain after the stoving is cooled down the processing through cooling discharging device in ejection of compact in-process, avoid dry and the higher grain of temperature to appear moisture when storing in follow-up closed environment, the while cooling divide into the two-stage again, the one-level cooling is through cooling down to the stoving hot-blast and with this for the cooling source, the wind-force that the cooling tuber pipe was blown is used as the cooling source to the second grade cooling, lower the temperature to grain through twice mode that the temperature reduces gradually, can effectively avoid the grain surface to produce the situation emergence of crackle because of the short time cooling.
go up floating multistage air supercharging grain drying-machine, including the installation support body, install material feeding unit 100 on the installation support body, hot air drying device 200, cooling discharging device 300, material feeding unit 100 is arranged in carrying grain to hot air drying device 200, hot air drying device 200 is arranged in carrying out heating drying process to grain with the hot air drying mode, cooling discharging device 300 is used for carrying away the grain after the stoving and adopting multistage cooling mode to carry out cooling process to grain in the transportation process.
the staff emptys grain to material feeding unit 100 in, then material feeding unit 100 moves and carry grain to hot air drying device 200 in, hot air drying device 200 adopts hot-blast as the stoving source, use wind-force to blow that grain rolls and heat the stoving processing to grain for the stoving mode, then accomplish the grain of heating the stoving and be blown to cooling discharging device 300 in by wind-force, cooling discharging device 300 at first carries out the one-level cooling with hot-blast heat dissipation cooling of hot air drying device 200 and uses this to carry out the primary cooling to grain for the cooling source, carry out the secondary cooling with ordinary wind-force to grain afterwards, grain after the cooling is exported and is transported away by cooling discharging device 300.
the feeding device 100 comprises a power mechanism 110, a feeding mechanism 120 and a transition mechanism 130, wherein the power mechanism 110 is used for providing power for the operation of the feeding mechanism 120, the feeding mechanism 120 is used for operating under the power provided by the power mechanism 110 and conveying grains into the transition mechanism 130, the transition mechanism 130 is communicated with the hot air drying device 200, and the hot air drying device 200 can receive the grains stored in the transition mechanism 130.
Transition mechanism 130 include transition shell 131, pivot 133, screen cloth 134, separate support 135, transition shell 131 is one end opening, one end is sealed and the circular shell structure on the installation support body is fixed in to the level, the open end of transition shell 131 is located the closed end below and the open end matches installs closed end cover 132, induced draft hole 1311 has been seted up to the closed end of transition shell 131, discharge opening 1312, feed port 1313, the closed end of transition shell 131 has still seted up coaxially and has seted up the perforation, set up on closed end cover 132 with induced draft hole 1311 coaxial arrangement's connecting hole 1321, with the coaxial blowhole 1322 who arranges of discharge opening 1312.
the rotating shaft 133 is coaxially and movably installed in the transition housing 131, the top end of the rotating shaft 133 can pass through the through hole and is located above the transition housing 131, and the rotating shaft 133 can rotate around the self axial direction.
The screen 134 and the separating bracket 135 are both arranged in the transition housing 131 and are both horizontally fixed outside the rotating shaft 133, the screen 134 is positioned right below the separating bracket 135, the screen 134 is in contact with the separating bracket 135, the separating bracket 135 uniformly separates the screen 134 into a plurality of groups of storage areas for storing grains along the circumferential direction of the rotating shaft 133, and the rotating shaft 133 rotates and pulls the screen 134 and the separating bracket 135 to synchronously rotate.
The feeding mechanism 120 is located above the transition mechanism 130, the feeding mechanism 120 comprises a feeding pipeline 121, a feeding pipeline 122, a feeding auger 123 and a feeding hopper 124, the feeding pipeline 121 is horizontally fixed on the mounting frame body, the feeding pipeline 122 is vertically fixed on the mounting frame body, the bottom end of the feeding pipeline 122 is communicated with the feeding hole 1313, an exhaust cap is arranged at the top end of the feeding pipeline 122, and the feeding pipeline 121 is communicated with the feeding pipeline 122.
the feeding auger 123 is coaxially and movably arranged in the feeding pipeline 121 and can rotate around the axial direction of the feeding auger 123, and the power input end of the feeding auger 123 penetrates through the feeding pipeline 121 and the feeding pipeline 122 and is positioned on one side of the feeding pipeline 122, which is far away from the feeding pipeline 121.
The hopper 124 is fixed on the mounting frame body and is positioned right above the feeding pipeline 121, the hopper 124 is communicated with the feeding pipeline 121, and the horizontal cross-sectional area of the hopper 124 is increased from bottom to top.
The power mechanism 110 comprises a feeding motor 111, the feeding motor 111 is vertically fixed on the mounting frame body, a first power transmission member 112 is arranged between the power output end of the feeding motor 111 and the top end of the rotating shaft 133, power transmission is carried out between the power output end of the feeding motor 111 and the top end of the rotating shaft 133 through the first power transmission member 112, a second power transmission member 113 is arranged between the top end of the rotating shaft 133 and the power input end of the feeding auger 123, power transmission is carried out between the top end of the rotating shaft 133 and the power input end of the feeding auger 123 through the second power transmission member 113, specifically, the first power transmission member 112 is.
after the worker pours the grains into the hopper 124, the feeding motor 111 operates and pulls the rotating shaft 133 to rotate through the first power transmission member 112, the feeding auger 123 rotates through the second power transmission member 113, the feeding auger 123 rotates and conveys the grains to the storage area of the transition mechanism 130 through the feeding pipeline 122/the feeding hole 1313, and meanwhile, the rotating shaft 133 rotates and pulls the screen 134/the separation bracket 135/the grains to synchronously rotate.
the hot air drying device 200 comprises an air blowing mechanism 210, a heater 220, a drying tank 230 and a separating mechanism 240, wherein the air blowing mechanism 210 is used for providing wind power for drying grains/reducing the temperature of the grains, the heater 220 is used for heating the wind power for drying the grains into hot air, the grains are heated and dried by the hot air in the drying tank 230, and the separating mechanism 240 is used for separating the dried grains from the hot air and outputting the hot air and the hot air from different channels.
the blowing mechanism 210 includes a high pressure blower 211, a cooling air pipe 212, an air inlet pipe 213, and a blowing pipe 214, and the high pressure blower 211 is fixed on the mounting frame.
The cooling air pipe 212/the air inlet pipe 213/the blast pipe 214 are all connected and communicated with the high pressure fan 211, an air inlet cap is arranged on the air inlet pipe 213, and the wind power is sucked into the high pressure fan 211 through the air inlet pipe 213 and finally blown out through the cooling air pipe 212/the blast pipe 214.
preferably, the blowing mechanism 210 further comprises an air suction pipe 215, one end of the air suction pipe 215 is connected and communicated with the air suction hole 1311, the other end of the air suction pipe 215 is provided with an air inlet cap, and the free end of the air inlet pipe 213 is connected and communicated with the connecting hole 1321; the significance is that when the air blowing mechanism 210 blows the grains into the drying tank 230 for drying, the wind force can firstly suck the surface moisture to the grains through the air suction pipe 215, so that the grain drying effect is better.
the heater 220 is fixed on the mounting frame body, the heater 220 is connected with the blast pipe 214, the heater 220 is used for heating the wind blown out from the blast pipe 214 into hot wind, a fixed pipe is arranged between the heater 220 and the blast hole 1322, the fixed pipe is connected and communicated with the heater 220 and the blast hole 1322, and the hot wind is blown into the transition mechanism 130 through the fixed pipe.
the drying tank 230 is a circular tank body structure with openings at two ends and is vertically fixed on the mounting frame body, the drying tank 230 can be divided into three sections from bottom to top along the self axial direction and respectively comprises a first circular truncated cone section, a cylindrical section and a second circular truncated cone section, the small end of the first circular truncated cone section is connected and communicated with the discharge hole 1312, the large end of the first circular truncated cone section is connected and communicated with the bottom end of the cylindrical section, and the top end of the cylindrical section is connected and communicated with the large end of the second circular truncated cone section.
after the grains are conveyed into the transition mechanism 130, the high-pressure fan 211 operates and blows the cooling air pipe 212/the blast pipe 214 outwards, the wind power of the blast pipe 214 is heated by the heater 220 and then blows the heated grains into the transition mechanism 130, then the grains in the transition mechanism 130 are blown into the drying tank 230 by hot wind and are dried, meanwhile, the grains are blown by the hot wind in a rolling state, so that the grains are dried more thoroughly, besides, due to the structure of the drying tank 230, the wind power of the hot wind is weakened when the hot wind passes through the circular truncated cone section, so that the staying time of the grains in the drying tank 230 is prolonged, and the drying is more thorough.
separating mechanism 240 be located stoving jar 230 directly over, separating mechanism 240 includes separation shell 241, separation plate 242, separation shell 241 is for being provided with the shell structure of inner chamber and its be fixed in the installation support body on, separation plate 242 is the round platform structure of both ends opening and axial perpendicular to ground and its big end is fixed in the chamber bottom of separation shell 241, and separation plate 242 divide into the inner chamber of separation shell 241 and is located the inside wind-force district of separation plate 242, is located the outside grain district of separation plate 242, a plurality of groups of clearance holes and clearance hole are evenly seted up to the surface of separation plate 242 and are used for preventing that grain from entering wind-force district.
the top end of the separation shell 241 is provided with a plurality of groups of discharging nozzles 245 communicated with the grain region, the bottom end of the separation shell 241 is provided with a feeding nozzle 243 coaxially arranged with the separation plate 242, the top end of the feeding nozzle 243 extends to be communicated with the small end of the separation plate 242, the bottom end of the feeding nozzle 243 extends to be communicated with the small end of the circular truncated cone section of the drying tank 230, the bottom end of the separation shell 241 is further provided with a plurality of groups of air outlet nozzles 244 communicated with the wind region, preferably, four groups of the discharging nozzles 245/the air outlet nozzles 244 are uniformly arranged.
the dried grains are blown into the grain region of the separation housing 241 by hot wind through the feeding connector 243, wherein the grains can be output through the discharging connector 244, and the hot wind can be output through the air outlet connector 244.
The cooling and discharging device 300 comprises a first-stage cooling and discharging mechanism 310 for receiving the grain output by the discharging nozzle 244 and performing first-stage cooling treatment on the grain, and a second-stage cooling and discharging mechanism 320 for receiving the grain output by the first-stage cooling and discharging mechanism 310 and performing second-stage cooling treatment on the grain.
First-level cooling discharge mechanism 310 be located directly over separating mechanism 120, first-level cooling discharge mechanism 310 is including cooling jar 3110, one-level wind-force cooling component 3120, defeated material component 3130, one-level wind-force cooling component 3120 is used for receiving the hot-blast and carry to cooling treatment after to it of being exported by air-out nozzle 244 and carries to cooling jar 3110 in, defeated material component 3130 is used for receiving the grain of being exported by ejection of compact nozzle 244 and carries it to cooling jar 3110 in.
Cooling jar 3110 including the vertical cooling jar body 3111 that is fixed in on the installation support body, the intake 3112 has been seted up to the surface of the cooling jar body 3111, is located the defeated material hole 3113 of intake 3112 top, and intake 3112/defeated material hole 3113 all correspond and have seted up four groups.
a flow stabilizing piece 3114 which is positioned between the air inlet 3112 and the material conveying hole 3113 and used for enabling wind power to rise in a uniformly dispersed state is further fixed in the cooling tank body 3111, the flow stabilizing piece 3114 comprises an inner ring body, an outer ring body and flow stabilizing sheets, the outer ring body is coaxially fixed in the cooling tank body 3111, the flow stabilizing sheets are obliquely fixed between the inner ring body and the outer ring body, and a plurality of groups of the flow stabilizing sheets are arrayed along the circumferential direction of the outer ring body.
the primary wind cooling member 3120 includes a radiator 3121 fixed on the mounting frame body, a first connecting pipe 3122 is arranged between the radiator 3121 and the air outlet nozzle 244 and the first connecting pipe 3122 is connected and communicated therebetween, a second connecting pipe 3123 is arranged between the radiator 3121 and the air inlet hole 3112 and the second connecting pipe 3123 is connected and communicated therebetween, and four groups of the primary wind cooling members 3120 are correspondingly arranged.
defeated material component 3130 including defeated material spare, driving piece, defeated material spare includes defeated material pipeline 3131, defeated material auger 3133, on the vertical installation frame body that is fixed in of defeated material pipeline 3131 and its bottom and ejection of compact nipple 245 connect the switch-on, defeated material pipeline 3131's outside still is provided with connector 3132 and is the slope and arranges, the distance between connector 3132 and defeated material pipeline 3131 is by supreme degressive down, connector 3132 still connects the switch-on with defeated material hole 3113, defeated material auger 3133 coaxial arrangement in defeated material pipeline 3131 and can rotate around self axial, defeated material auger 3133's top is located defeated material pipeline 3131 top, the bottom is located ejection of compact nipple 245, defeated material spare correspondence is provided with four groups.
The driving piece comprises a material conveying motor 3134, a gear 3135, a gear ring 3136 and a supporting frame, the supporting frame is fixed on the mounting frame body, the material conveying motor 3134 is vertically fixed on the supporting frame, the coaxial height of the gear 3135 is equal to the coaxial height of the material conveying auger 3133, four groups of gears 3135 are correspondingly arranged, the gear ring 3136 is movably mounted on the supporting frame, and the gear ring 3136 is meshed with the four groups of gears 3135.
Grain in the grain region of the separation shell 241 is blown to the discharging connector 244 by wind power, then the driving piece operates and drives the material conveying auger 3133 to rotate, the material conveying auger 3133 rotates and conveys the grain to the cooling tank body 3111 through the connector 3132 and the material conveying hole 3113, meanwhile, hot air output by the air outlet connector 244 is conveyed to the cooling tank 3110 after the temperature of the hot air is reduced by the primary wind power cooling component 3120, and the cooled hot air carries out primary cooling treatment on the grain and blows the grain to the secondary cooling discharging mechanism 320.
the secondary cooling discharging mechanism 320 comprises a material receiving member 3210 for receiving the grain cooled and output by the primary cooling discharging mechanism 310, and a secondary wind cooling member 3220 for performing secondary cooling processing on the grain and outputting the grain.
the material receiving member 3210 includes a material receiving pipe 3211 vertically installed on the installation frame body, a communicating pipe 3212 is arranged between the material receiving pipe 3211 and the top end of the cooling tank body 3111, and the two are connected and communicated through the communicating pipe 3212.
The outside of the material receiving pipeline 3211 is further provided with an air exhaust member, and the air exhaust member comprises an air outlet pipe 3213 connected and communicated with the material receiving pipeline 3211 and a blocking net 3214 arranged at the connection position of the air outlet pipe 3213 and the material receiving pipeline 3211.
The grains cooled by the first stage are conveyed into a material receiving pipeline 3211 through a communicating pipe 3212, wherein the grains are conveyed into a second stage wind cooling member 3220 through the bottom end of the material receiving pipeline 3211, and wind is discharged through an air exhaust member.
preferably, the air exhaust members are provided with two groups, one group is arranged on the side surface of the material receiving pipeline 3211 departing from the through pipe 3212, and the other group is arranged at the top end of the material receiving pipeline 3211; the air exhaust device has the advantages that air is directly exhausted through the air exhaust part, and the influence on the follow-up secondary cooling process is avoided.
Preferably, in order to avoid the adverse effect of dust impurities contained in the air exhausted by the air exhaust member on the surrounding environment, a dust remover is arranged at the free end of the air outlet pipe 3213 in a matching way; the dust remover is prior art and will not be described in detail herein.
The secondary wind cooling member 3220 is located right above the cooling air duct 212, the secondary wind cooling member 3220 includes a discharge duct 3221, the discharge duct 3221 is obliquely fixed to the mounting frame body, and a top end of the discharge duct 3221 is connected to and communicated with a bottom end of the material receiving duct 3211.
The side of the discharge duct 3221 facing the cooling air duct 212 is provided with a louver 3223, and the louver 3223 is prior art and will not be described in detail herein.
A plurality of groups of air outlet holes 3222 are formed in the side surface of the discharge pipeline 3221 away from the cooling air pipe 212.
The grains cooled by the first stage are conveyed into the discharging pipeline 3221 and finally discharged through the discharging pipeline 3221, and meanwhile, the grains are cooled by the second stage through wind power discharged by the cooling wind pipe 212 in the discharging process.
more specifically, in order to prevent that grain stoving in-process, external things cause adverse effect to this drying-machine, installation support body outside still match and be provided with the installation housing, and material feeding unit 100, hot air drying device 200, cooling discharging device 300 all are located the installation housing to material feeding unit 100's hopper 124, cooling discharging device 300's ejection of compact pipeline 3221 bottom all stretch out to the installation housing outside, the installation housing outside still corresponds and is provided with the heat dissipation window.

Claims (10)

1. the process for drying the grains by adopting a hot air drying mode comprises the following steps:
S1: the feeding device operates and carries out grain conveying;
The feeding device comprises a power mechanism, a feeding mechanism and a transition mechanism, wherein the power mechanism is used for providing power for the operation of the feeding mechanism, and the feeding mechanism is used for operating under the action of the power provided by the power mechanism and conveying grains into the transition mechanism;
The transition mechanism comprises a transition shell, a rotating shaft, a screen and a separation support, the transition shell is a circular shell structure with one open end and one closed end and horizontally fixed on the mounting frame body, the open end of the transition shell is positioned below the closed end, the open end is matched with a closed end cover, the closed end of the transition shell is provided with an air suction hole, a discharge hole and a feed hole, the closed end of the transition shell is also coaxially provided with a through hole, and the closed end cover is provided with a connecting hole coaxially arranged with the air suction hole and a blowing hole coaxially arranged with the discharge hole;
The rotating shaft is coaxially and movably arranged in the transition shell, the top end of the rotating shaft can penetrate through the through hole and is positioned above the transition shell, and the rotating shaft can axially rotate around the rotating shaft;
the screen and the separating bracket are both arranged in the transition shell and are horizontally fixed outside the rotating shaft, the screen is positioned under the separating bracket, the screen is in contact with the separating bracket, the separating bracket uniformly separates the screen into a plurality of groups of storage areas for storing grains along the circumferential direction of the rotating shaft, and the rotating shaft rotates and pulls the screen and the separating bracket to synchronously rotate;
the feeding mechanism is positioned above the transition mechanism and is communicated with the feeding hole;
after the worker pours the grains into the feeding mechanism, the power mechanism operates and drives the feeding mechanism to convey the grains into the storage area of the transition mechanism, and the rotating shaft rotates and pulls the screen mesh/the separation bracket/the grains to synchronously rotate while the feeding mechanism feeds the grains;
s2: the hot air drying device operates and dries the grain;
The hot air drying device comprises an air blowing mechanism, a heater, a drying tank and a separating mechanism, wherein the air blowing mechanism is used for providing wind power for grain drying/grain cooling, the heater is used for heating grain drying wind power into hot air, and grains are heated and dried by the hot air in the drying tank, and the separating mechanism is used for separating the dried grains from the hot air and outputting the hot air and the dried grains from different channels;
The air blowing mechanism comprises a high-pressure fan, a cooling air pipe, an air inlet pipe, a blast pipe and an air suction pipe, the high-pressure fan is fixed on the mounting frame body, the cooling air pipe/the air inlet pipe/the blast pipe are connected and communicated with the high-pressure fan, an air inlet cap is arranged on the air inlet pipe, wind power is sucked into the high-pressure fan from the air inlet pipe and is finally blown out from the cooling air pipe/the blast pipe, one end of the air suction pipe is connected and communicated with the air suction hole, the other end of the air suction pipe is provided with the air inlet cap, and the free end of the air inlet pipe;
The heater is fixed on the mounting frame body and connected with the blast pipe, the heater is used for heating wind power blown out by the blast pipe into hot wind, a fixed pipe is arranged between the heater and the blast hole and is connected and communicated with the heater through the fixed pipe, and the hot wind is blown into the transition mechanism through the fixed pipe;
the drying tank is of a circular tank body structure with openings at two ends and is vertically fixed on the mounting frame body, the bottom end of the drying tank is communicated with the discharge hole, and the top end of the drying tank is communicated with the separating mechanism;
After the grains are conveyed into the transition mechanism, the high-pressure fan operates, moisture attached to the surfaces of the grains is sucked through the air suction pipe, the grains are blown outwards through the cooling air pipe/blast pipe, the wind power of the blast pipe is heated by the heater and then blown into the transition mechanism, then the grains in the transition mechanism are blown into the drying tank by hot wind, the grains are dried in the drying tank by taking the hot wind as a drying source and turning the grains into a drying mode in a suspension ascending mode, the dried grains are blown into the separation mechanism by the hot wind, and the grains and the hot wind are separated and output into the cooling and discharging device through different channels;
S3: the cooling and discharging device is used for cooling and discharging grains;
The cooling discharging device comprises a primary cooling discharging mechanism for receiving the grain output by the separating mechanism and performing primary cooling treatment on the grain, and a secondary cooling discharging mechanism for receiving the grain output by the primary cooling discharging mechanism and performing secondary cooling treatment on the grain;
the first-stage cooling and discharging mechanism is positioned right above the separating mechanism and comprises a cooling tank, a first-stage wind cooling component and a material conveying component, wherein the first-stage wind cooling component is used for receiving hot wind output by the separating mechanism, cooling the hot wind and conveying the hot wind into the cooling tank, and the material conveying component is used for receiving grains output by the separating mechanism and conveying the grains into the cooling tank;
grain in the separating mechanism is carried to the cooling tank through defeated material component, hot-blast being carried to the cooling tank in the separating mechanism after the one-level wind-force cooling component reduces the temperature, and hot-blast after the cooling carries out the one-level cooling to grain and handles and blow it to the second grade cooling discharge mechanism in, and grain carries out the second grade cooling with the wind-force that the cooling tuber pipe was blown in the second grade cooling discharge mechanism, and grain after the cooling is discharged and is transported away by the staff through second grade cooling discharge mechanism bottom.
2. The process for drying grains by adopting a hot air drying mode according to claim 1, wherein the feeding mechanism is positioned above the transition mechanism, the feeding mechanism comprises a feeding pipeline, a feeding auger and a feeding hopper, the feeding pipeline is horizontally fixed on the mounting frame body, the feeding pipeline is vertically fixed on the mounting frame body, the bottom end of the feeding pipeline is communicated with the feeding hole, the top end of the feeding pipeline is provided with an exhaust cap, and the feeding pipeline is communicated with the feeding pipeline;
The feeding auger is coaxially and movably arranged in the feeding pipeline and can rotate around the axial direction of the feeding auger, and the power input end of the feeding auger penetrates through the feeding pipeline and is positioned on one side of the feeding pipeline, which is far away from the feeding pipeline;
The feeding hopper is fixed on the mounting frame body and is positioned right above the feeding pipeline, the feeding hopper is communicated with the feeding pipeline, and the horizontal cross sectional area of the feeding hopper is gradually increased from bottom to top.
3. The process for drying grains by adopting the hot air drying mode according to claim 2, wherein the power mechanism comprises a feeding motor, the feeding motor is vertically fixed on the mounting frame body, a first power transmission member is arranged between the power output end of the feeding motor and the top end of the rotating shaft, the first power transmission member transmits power between the first power transmission member and the top end of the rotating shaft, a second power transmission member is arranged between the top end of the rotating shaft and the power input end of the feeding auger, the second power transmission member transmits power between the top end of the rotating shaft and the power input end of the feeding auger, the first power transmission member is a belt transmission member, and the second power transmission member.
4. the process for drying grains by adopting a hot air drying mode according to claim 1 or 3, wherein the drying tank is of a circular tank body structure with openings at two ends and is vertically fixed on the mounting frame body, the drying tank can be divided into three sections from bottom to top along the self axial direction and is respectively a first circular truncated cone section, a cylindrical section and a second circular truncated cone section, the small end of the first circular truncated cone section is communicated with the discharge hole, the large end of the first circular truncated cone section is communicated with the bottom end of the cylindrical section, and the top end of the cylindrical section is communicated with the large end of the second circular truncated cone section;
The separation mechanism is positioned right above the drying tank and comprises a separation shell and a separation plate, the separation shell is of a shell structure provided with an inner cavity and is fixed on the mounting frame body, the separation plate is of a round platform structure with two open ends and is axially vertical to the ground, the large end of the separation plate is fixed at the cavity bottom of the separation shell, the inner cavity of the separation shell is divided into a wind power area positioned inside the separation plate and a grain area positioned outside the separation plate by the separation plate, and a plurality of groups of clearance holes are uniformly formed in the outer surface of the separation plate and are used for preventing grains from entering the wind power area;
the top of separation shell seted up the ejection of compact nozzle of a plurality of groups and self grain district switch-on, the bottom of separation shell seted up with the coaxial feeding nozzle of arranging of separator plate and the top of feeding nozzle extend to with the tip of separator plate connect the switch-on, the bottom of feeding nozzle extends to and is connected the switch-on with two tip of round platform section of stoving jar, the air-out nozzle of a plurality of groups and self wind power district switch-on is still seted up to the bottom of separation shell, ejection of compact nozzle/air-out nozzle evenly seted up four groups.
5. the process for drying grains by hot air according to claim 4, wherein the cooling tank comprises a cooling tank body vertically fixed on the mounting frame body, the outer surface of the cooling tank body is provided with an air inlet hole and a material conveying hole positioned above the air inlet hole, and four groups of air inlet holes/material conveying holes are correspondingly formed;
and a flow stabilizing piece which is positioned between the air inlet hole and the material conveying hole and used for enabling wind power to rise in a uniformly dispersed state is also fixed in the cooling tank body, the flow stabilizing piece comprises an inner ring body and an outer ring body and a flow stabilizing piece, the outer ring body is coaxially fixed in the cooling tank body, the flow stabilizing piece is obliquely fixed between the inner ring body and the outer ring body, and a plurality of groups of the flow stabilizing pieces are arrayed along the circumferential direction of the outer ring body.
6. The process for drying grains by hot air drying according to claim 5, wherein the primary wind cooling member comprises a first connecting pipe and a second connecting pipe, the first connecting pipe is arranged between the first connecting pipe and the first air outlet nozzle, the second connecting pipe is arranged between the first connecting pipe and the second air inlet nozzle, the first connecting pipe and the second connecting pipe are connected, and the four groups of the primary wind cooling members are correspondingly arranged;
Defeated material component include defeated material spare, driving piece, defeated material spare includes defeated material pipeline, defeated material auger, on the vertical installation support body that is fixed in of defeated material pipeline and its bottom is connected the switch-on with ejection of compact spigot joint, the outside of defeated material pipeline still is provided with the spigot joint and connects the mouth and be the slope and arrange, the distance between spigot joint and the defeated material pipeline is by supreme descending, the spigot joint still with defeated material jogged joint switch-on, defeated material auger coaxial arrangement in defeated material pipeline and can rotate around self axial, the top of defeated material auger is located defeated material pipeline top, the bottom is located ejection of compact spigot joint, defeated material spare correspondence is provided with four groups.
7. The process for drying grains by hot air drying according to claim 6, wherein the driving member comprises a feeding motor, a gear ring and a supporting frame, the supporting frame is fixed on the mounting frame, the feeding motor is vertically fixed on the supporting frame, four sets of gears are arranged at the same axial height as the outer part of the top end of the feeding auger and correspond to the gear, the gear ring is movably mounted on the supporting frame, and the gear ring is engaged with the four sets of gears.
8. The process for drying grains by hot air drying according to claim 3, wherein the secondary cooling and discharging mechanism comprises a material receiving member for receiving the grains cooled and output by the primary cooling and discharging mechanism, and a secondary wind cooling member for performing secondary cooling treatment on the grains and outputting the grains;
The material receiving component comprises a material receiving pipeline vertically arranged on the mounting frame body, a communicating pipe is arranged between the material receiving pipeline and the top end of the cooling tank body, and the material receiving pipeline and the top end of the cooling tank body are connected and communicated through the communicating pipe;
The material receiving pipeline is also provided with an air exhaust part outside, and the air exhaust part comprises an air outlet pipe connected and communicated with the material receiving pipeline and a blocking net arranged at the communicated position of the air outlet pipe and the material receiving pipeline.
9. The process for drying grains by hot air drying according to claim 8, wherein the exhaust members are provided in two groups, one group is provided on the side of the material receiving pipe away from the communicating pipe, and the other group is provided at the top end of the material receiving pipe;
the free end of the air outlet pipe is provided with a dust remover in a matching way;
The secondary wind cooling component is positioned right above the cooling air pipe and comprises a discharge pipeline, the discharge pipeline is obliquely fixed on the mounting frame body, and the top end of the discharge pipeline is connected and communicated with the bottom end of the material receiving pipeline;
a shutter is arranged on the side surface of the discharge pipeline facing the cooling air pipe;
the side of the discharging pipeline, which is far away from the cooling air pipe, is provided with a plurality of groups of air outlet holes.
10. The process for drying grains by adopting the hot air drying mode according to claim 3, wherein an installation housing is further arranged outside the installation frame body in a matching manner, the feeding device, the hot air drying device and the cooling and discharging device are all located in the installation housing, the bottom ends of the discharging pipelines of the feeding hopper and the cooling and discharging device of the feeding device extend out of the installation housing, and a heat dissipation window is correspondingly arranged outside the installation housing.
CN201910946065.8A 2019-10-02 2019-10-02 Drying process for grains by adopting hot air drying mode Active CN110542301B (en)

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Publication number Priority date Publication date Assignee Title
CN111632832A (en) * 2020-05-28 2020-09-08 安徽昭日农业科技有限公司 Dry wind selector of vegetables
CN114198980A (en) * 2021-12-10 2022-03-18 威銤(苏州)智能科技有限公司 Tray cooling device

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JPH09210556A (en) * 1996-02-01 1997-08-12 Azu Kiyaria Kk Condenser for vapor contact dryer
CN201575678U (en) * 2009-12-23 2010-09-08 李士泽 Ventilation plate without material leakage and chute adopting same
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