CN111623621A - Grain drying process capable of performing multiple drying - Google Patents

Grain drying process capable of performing multiple drying Download PDF

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Publication number
CN111623621A
CN111623621A CN201910946088.9A CN201910946088A CN111623621A CN 111623621 A CN111623621 A CN 111623621A CN 201910946088 A CN201910946088 A CN 201910946088A CN 111623621 A CN111623621 A CN 111623621A
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China
Prior art keywords
pipeline
drying
grains
discharging
grain
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CN201910946088.9A
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Chinese (zh)
Inventor
祝磊
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Individual
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Individual
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Priority to CN201910946088.9A priority Critical patent/CN111623621A/en
Publication of CN111623621A publication Critical patent/CN111623621A/en
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    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a grain drying process capable of drying for multiple times, which comprises the following steps: the feeding mechanism conveys grains into the material taking pipeline, the air blowing mechanism blows air into the mounting shell, and the air is heated into hot air by the heater and blown into the drying tank; grain is conveyed into the mounting shell through the auger and the rotating body, then the grain is synchronously blown into the drying tank along with hot air, and the grain is dried in the drying tank in a suspension overturning drying mode; the dried grains are blown into the first discharging member by hot air, meanwhile, the air blowing mechanism blows air into the first discharging member and cools the grains, and then the grains fall into the second discharging member; if the grain meets the drying requirement, the subsequent grain is directly output through the discharge pipeline, if the grain does not meet the drying requirement, the subsequent grain enters the turnover drying device again through the return pipeline for drying, and the grain is output through the discharge pipeline until the grain meets the drying requirement.

Description

Grain drying process capable of performing multiple drying
Technical Field
The invention relates to the field of grain processing, in particular to a grain drying process.
Background
In order to prolong the storage life, the grains such as rice need to be dried and dehydrated when being stored, in order to guarantee the stability of the dehydration effect, the grains need to be processed, wherein the grains are dried by manual operation in the traditional agricultural dehydration mode, the main problem of the processing mode is that the airing difficulty is large, the grains need to be processed according to the weather, the processing time is long, and the labor cost is high.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a grain drying process, which adopts rotary hot air as a drying source and adopts a suspension turnover to drying mode to dry grains, so that the drying efficiency and the drying effect are better, the moisture of the dried grains with higher temperature can be avoided when the grains are stored in a subsequent closed environment, and meanwhile, the grains stored in the closed environment can be ensured to meet the drying requirement.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The grain drying process capable of drying for multiple times comprises the following steps:
s1: the grain enters the turnover drying device through the feeding mechanism;
the overturning and drying device comprises a power mechanism and a drying mechanism, the drying mechanism comprises a material taking component and a drying tank, the material taking component comprises an installation shell, a material taking pipeline and a packing auger, the installation shell is of a round shell structure with an open end and a closed end, the installation shell is vertically fixed on an installation frame body, the closed end of the installation shell is positioned below the open end, a fixing hole is formed in the closed end of the installation shell, and an air inlet connector is further arranged on the outer surface of the installation shell;
the material taking pipeline is vertically fixed on the mounting frame body, one end of the material taking pipeline is positioned below the mounting shell, a sealing cover is installed at the end of the material taking pipeline in a matching mode, the other end of the material taking pipeline penetrates through the fixing hole and is positioned in the mounting shell, the material taking pipeline is in sealed connection with the fixing hole, and a connecting nozzle a and a connecting nozzle b are arranged outside the part, below the mounting shell, of the material taking pipeline;
the packing auger is coaxially arranged in the material taking pipeline and can rotate around the axial direction of the packing auger, the bottom end of the packing auger extends out of the material taking pipeline and is positioned below the sealing cover, and the top end of the packing auger is positioned above the top end of the material taking pipeline;
the material taking component also comprises a rotating body arranged at the top end of the auger, the rotating body comprises a rotating plate and a guide plate, the rotating plate is horizontally and coaxially and movably arranged at the top end of the auger, the rotation of the rotating plate and the rotating plate is not interfered with each other, the rotating plate is provided with two groups along the direction vertical to the ground, the upper end face of the rotating plate above the rotating plate is coaxially provided with a rotating shaft in a ring structure, the guide plate is vertically fixed between the two groups of rotating plates and is provided with a plurality of groups along the circumferential direction array of the rotating plate, an accelerating part is arranged between the rotating body and the;
the material taking component also comprises a steady fluid, a heater, a wind direction changing piece and a flow guide body, wherein the steady fluid/the wind direction changing piece/the flow guide body are all made of heat conducting materials;
the drying tank is of a tank body structure with openings at two ends and is fixed on the mounting frame body, and the drying tank can be divided into a drying section which is of a cylindrical barrel structure and is communicated with the upper opening end of the mounting shell, and an output section which is of a round platform barrel structure, is communicated with the drying section at the large end and is communicated with a connecting pipe at the small end from bottom to top along the self axial direction;
the feeding mechanism conveys grains into the material taking pipeline through the communicating nozzle a, meanwhile, the air blowing mechanism blows air into the mounting shell through the air inlet communicating nozzle, the air is heated into hot air by the heater and blown into the drying tank, and in the hot air blowing process, the hot air is uniformly dispersed when passing through the constant flow body, continues to be blown upwards in a rotating state after passing through the wind direction changing piece, and is uniformly dispersed when passing through the flow guide body;
s2: the power mechanism drives the packing auger to rotate and convey the grains into the rotating body, the packing auger rotates and pulls the rotating body to rotate at a high speed through the speed increasing piece, so that the grains are thrown out of the rotating body into the mounting shell under the action of centrifugal force, then the grains are synchronously blown into the drying tank along with hot air and are rolled under the traction of the hot air in a rotating state, namely the grains are dried in the drying tank by taking the rotating hot air as a drying source and taking suspension turnover as a drying mode;
s3: the dried grains are blown into a circulating discharging mechanism by hot air;
the circulating discharging mechanism comprises a first discharging member and a second discharging member, the first discharging member is communicated with the connecting pipe and the air blowing mechanism, and the first discharging member is used for receiving the dried grains and conveying the grains to the second discharging member;
the dried grains are blown into the first discharging component by hot air through the connecting pipe, meanwhile, the air blowing mechanism blows air into the first discharging component and cools the grains, and then the grains fall into the second discharging component;
s4: the second discharging component is arranged below the first discharging component and comprises a transition pipeline, a discharging control gate, a material returning pipeline and a discharging pipeline, and the second discharging component is used for determining that grains are conveyed back to the overturning drying device again or can be conveyed away after workers check whether the grains meet the drying requirements or not;
the grain is output through the transition pipeline, the discharging control gate and the discharging pipeline, and the worker judges whether the grain meets the drying requirement;
if the grain is in accordance with the requirement, the subsequent grain is dried by the overturning drying device and then is directly output through the transition pipeline, the discharging control gate and the discharging pipeline;
if the requirement is not met, the worker controls the discharge control gate to be opened and enables the follow-up grains to reenter the turnover drying device through the transition pipeline, the discharge control gate and the material return pipeline for drying, even if the grains are dried for multiple times, the worker controls the discharge control gate to be opened reversely and enables the grains to be output through the transition pipeline, the discharge control gate and the discharge pipeline until the requirement is met.
As a further improvement of the present solution.
The power mechanism comprises a driving motor, the driving motor is fixed on the mounting frame body, an output shaft of the driving motor is axially vertical to the ground, a power transmission member is arranged between a power output end of the driving motor and the bottom end of the auger, power transmission is carried out between the power output end of the driving motor and the bottom end of the auger through the power transmission member, and the power transmission member is a belt transmission member;
the speed increasing part comprises a first gear/a second gear/a third gear/a fourth gear and a gear shaft, the gear shaft is vertically and movably arranged on the upper end face of the rotating plate and can rotate around the self axial direction, the first gear is fixed outside the top end of the packing auger, the second gear is fixed outside the rotating shaft, the third gear is fixed outside the gear shaft and is meshed with the first gear, the fourth gear is fixed outside the gear shaft and is meshed with the second gear, the gear ratio between the first gear/the third gear and the gear ratio between the second gear/the fourth gear are both smaller than 1, the gear shaft and the third gear/the fourth gear are arranged in four groups in an array along the circumferential direction,
a protective cover shell is also arranged outside the speed increasing piece in a matching way;
the flow stabilizer comprises an inner ring body I and an outer ring body I and flow stabilizing sheets, wherein the inner ring body I and the outer ring body I are coaxially arranged in the installation shell, the outer ring body I is fixed in the installation shell, the flow stabilizing sheets are vertically fixed between the inner ring body I and the outer ring body I, a plurality of groups of flow stabilizing sheets are arrayed along the circumferential direction of the inner ring body I and the outer ring body I, and the heater is of a ring body structure and is coaxially fixed in the inner ring body I;
the wind direction changing piece is positioned above the flow stabilizer and is in heat conduction contact with the flow stabilizer, the wind direction changing piece comprises an inner ring body II and an outer ring body II, the inner ring body II and the outer ring body II are coaxially arranged in the mounting shell, a fastening piece is arranged between the outer ring body II and the outer ring body I and fixedly connected through the fastening piece, the wind direction changing pieces are obliquely fixed between the inner ring body II and the outer ring body II, and a plurality of groups of the wind direction changing pieces are arranged in an array mode along the circumferential direction of the inner ring body II and the outer ring body II;
the flow guide body is in a cone structure, the flow guide body is coaxially fixed on the upper end surface of the inner ring body, and the horizontal cross-sectional area of the flow guide body decreases progressively from bottom to top.
As a further improvement of the present solution.
The feeding mechanism comprises a feeding hopper for receiving grains, a feeding pipe for being connected and communicated with the communicating nozzle a, and a feeding control gate which is arranged between the feeding hopper and the feeding pipe and is used for controlling whether the grains in the feeding hopper can be conveyed into the feeding pipe or not;
the feeding control gate include installation pipe, feeding control motor, pivot, closing plate, the installation pipe is vertical to be fixed in on the installation support body and its excircle face seted up and to wear to establish the hole, feeding control motor is fixed in on the installation support body and its output shaft axial level arranges, the pivot is coaxial to be fixed in the power take off end of feeding control motor and the other end of pivot pass to wear to establish the hole and lie in the installation pipe, the closing plate level is fixed in the pivot and the closing plate can seal the installation pipe.
The feeder hopper be fixed in on the installation support body and its upper tube mouth with the installation pipe connect the switch-on, the one end of inlet pipe and the lower mouth of pipe connection switch-on of installation pipe, the other end and switch-on mouth a connect the switch-on.
As a further improvement of the present solution.
The first discharging component comprises a material conveying pipeline and a cooling pipeline which are fixed on the mounting frame body, the cooling pipeline is positioned under the material conveying pipeline, one end of the material conveying pipeline is communicated with the connecting pipe, the other end of the material conveying pipeline is an air exhaust end, one end of the cooling pipeline is an air inlet end, the air inlet end is communicated with the air blast mechanism, and the other end of the cooling pipeline is communicated with the material conveying pipeline;
a communicating pipe which is used for connecting and communicating the conveying pipeline and the cooling pipeline and is vertically arranged is also arranged between the conveying pipeline and the cooling pipeline, and the communicating position between the cooling pipeline and the conveying pipeline is positioned between the communicating pipe and the air exhaust end of the conveying pipeline;
a blocking net is vertically arranged in the connecting pipe, the top end of the blocking net extends to the upper cavity wall of the material conveying pipeline, and the bottom end of the blocking net extends to the lower cavity wall of the cooling pipeline in a time-delay manner;
the air exhaust end of the material conveying pipeline is provided with a dust remover in a matching way;
the air exhaust device is characterized in that a partition plate is arranged at the connection position of the conveying pipeline and the cooling pipeline, the partition plate is composed of two sections, namely an inclined section and a horizontal section, the inclined section and the horizontal section are obliquely arranged, the distance between the inclined section and the air exhaust end of the conveying pipeline decreases progressively from bottom to top, and the horizontal section is fixed at the top end of the inclined section and is positioned on one side, facing the air exhaust end of the conveying pipeline, of the inclined section.
As a further improvement of the present solution.
The transition pipeline is of a pipeline structure with one open end and one closed end, the closed end is positioned below the open end, the transition pipeline is vertically fixed on the mounting frame body, the open end of the transition pipeline is communicated with the cooling pipeline, the transition pipeline and the communicating pipe are positioned on the same vertical line, and the outer surface of the transition pipeline is also provided with an avoiding hole;
the discharge control gate comprises a discharge control motor, a mounting shaft, a baffle plate and a partition plate, wherein the partition plate is vertically fixed at the cavity bottom of the transition pipeline and divides the part close to the closed end in the transition pipeline into two sections which are respectively a first connecting section and a second connecting section;
the discharging control motor is fixed on the mounting frame body, an output shaft of the discharging control motor is axially and horizontally arranged, the mounting shaft is coaxially fixed at a power output end of the discharging motor, and the other end of the mounting shaft penetrates through the avoidance hole and is positioned in the transition pipeline;
the baffle is fixed outside the installation shaft and can seal a first connecting section/a second connecting section of the transition pipeline, and the initial state of the baffle is a first sealing connecting section;
the material returning pipeline and the material discharging pipeline are fixed on the installation frame body, one end of the material returning pipeline is connected and communicated with a connecting section I of the transition pipeline, the other end of the material returning pipeline is connected and communicated with the connecting nozzle B, and the material discharging pipeline is connected and communicated with a connecting section II of the transition pipeline.
As a further improvement of the present solution.
The air blowing mechanism comprises an air blower, an air inlet pipeline I and an air inlet pipeline II, the air blower is fixed on the mounting frame body, the air inlet pipeline I is used for connection and connection between the air blower and the air inlet connector, and the air inlet pipeline II is used for connection and connection between the air blower and the air inlet end of the cooling pipeline.
Compared with the prior art, the invention has the advantages that after the grains are conveyed into the drying tank, hot air is matched with the wind direction changing piece through the steady fluid to blow the hot air into the drying tank in a uniformly dispersed and rotating mode, so that the grains are dried in the drying tank in a suspension overturning mode, the drying efficiency and the drying effect are better, the dried grains are cooled by the first discharging mechanism through the circulating discharging mechanism, the moisture of the dried grains with higher temperature is avoided when the dried grains are stored in a subsequent closed environment, in addition, if the grains are not in accordance with the requirements after primary drying, a worker can control the discharging control gate to convey the subsequent grains back to the overturning drying device through the material returning pipeline for drying, the operation is repeated in such a way, and the worker can output the grains through the discharging pipeline through the reverse control discharging control gate until the grains are in accordance with the requirements, therefore, grains stored in the closed environment can be guaranteed to meet the drying requirement.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the tumble drying apparatus according to the present invention.
Fig. 4 is a schematic structural diagram of the drying mechanism of the present invention.
Fig. 5 is a schematic view of the internal structure of the drying mechanism of the present invention.
FIG. 6 is a drawing showing the combination of the auger and the material extraction pipe of the present invention.
FIG. 7 is a view showing the combination of the screw conveyor and the rotary body according to the present invention.
FIG. 8 is a view showing the combination of the screw conveyor and the rotary body according to the present invention.
FIG. 9 is a view showing the combination of the screw conveyor and the rotary body according to the present invention.
Fig. 10 is a schematic structural view of the speed increasing member of the present invention.
FIG. 11 is a drawing showing the combination of the rotator, heater and ballast according to the present invention.
FIG. 12 is a view showing the combination of the rotating body, the fluid stabilizer and the wind direction changing member according to the present invention.
Fig. 13 is a matching view of the packing auger and the power mechanism of the invention.
Fig. 14 is a schematic structural view of the feeding mechanism of the present invention.
Fig. 15 is a cross-sectional view of a feed control gate of the present invention.
Fig. 16 is a schematic structural diagram of the circulation discharging mechanism of the invention.
Fig. 17 is a sectional view of the first discharging mechanism of the present invention.
Fig. 18 is a sectional view of the second discharging mechanism of the present invention.
Fig. 19 is a schematic structural view of the blower mechanism of the present invention.
Detailed Description
The grain drying process capable of drying for multiple times comprises the following steps:
s1: the grain enters the turnover drying device 100 through the feeding mechanism 200;
the turnover drying device 100 comprises a power mechanism 110 and a drying mechanism 120, wherein the drying mechanism 120 comprises a material taking member 1210 and a drying tank 1220, the material taking member 1210 comprises an installation shell 1211, a material taking pipeline 1212 and a packing auger 1213, the installation shell 1211 is a circular shell structure with one open end and one closed end, the installation shell 1211 is vertically fixed on an installation frame body, the closed end of the installation shell 1211 is positioned below the open end, the closed end of the installation shell 1211 is provided with a fixing hole, and the outer surface of the installation shell 1211 is also provided with an air inlet nozzle 1211 a;
the material taking pipeline 1212 is vertically fixed on the mounting frame body, one end of the material taking pipeline 1212 is located below the mounting casing 1211, the end is provided with a sealing cover in a matching manner, the other end of the material taking pipeline 1212 penetrates through the fixing hole and is located in the mounting casing 1211, the material taking pipeline 1212 and the fixing hole form a sealed connection, and a connection nozzle a1212a and a connection nozzle b1212b are arranged outside the part of the material taking pipeline 1212 located below the mounting casing 1211;
the auger 1213 is coaxially arranged in the material taking pipeline 1212 and can rotate around the self axial direction, the bottom end of the auger 1213 extends out of the material taking pipeline 1212 and is positioned below the sealing cover, and the top end is positioned above the top end of the material taking pipeline 1212;
the material taking member 1210 further comprises a rotating body 1214 arranged at the top end of the auger 1213, the rotating body 1214 comprises a rotating plate and a guide plate, the rotating plate is horizontally and coaxially and movably arranged at the top end of the auger 1213, the rotation of the rotating plate and the auger 1213 is not interfered with each other, the rotating plate is provided with two groups along the direction vertical to the ground, the upper end face of the rotating plate above is coaxially provided with a rotating shaft in a ring structure, the guide plate is vertically fixed between the two groups of rotating plates and is provided with a plurality of groups along the circumferential direction of the rotating plate, a speed increasing member 1215 is arranged between the rotating body 1214 and the top end of the auger;
the material taking member 1210 further comprises a stabilizing fluid 1216, a heater 1217, an air direction changing piece 1218 and a flow guiding body 1219, wherein the stabilizing fluid 1216/the air direction changing piece 1218/the flow guiding body 1219 are made of heat conducting materials, the stabilizing fluid 1216 is coaxially arranged in the installation shell 1211, the heater 1217 is coaxially arranged in the first inner ring body of the stabilizing fluid 1216, the air direction changing piece 1218 is positioned above the stabilizing fluid 1216, the stabilizing fluid 1216 and the air direction changing piece are in heat conducting contact, the flow guiding body 1219 is in a conical structure, and the flow guiding body 1219 is coaxially fixed on the upper end surface of the air direction changing piece 1218;
the drying tank 1220 is a tank structure with openings at two ends, the drying tank 1220 is fixed on the mounting frame body, and the drying tank 1220 can be divided into a drying section which is in a cylindrical barrel structure and is connected and communicated with the upper opening end of the mounting outer shell 1211, and an output section which is in a circular truncated cone barrel structure, is communicated with the drying section at the large end and is communicated with the connecting pipe 1230 at the small end from bottom to top along the self axial direction;
the feeding mechanism 200 conveys the grains into the material taking pipeline 1212 through the connection nozzle a1212a, meanwhile, the blowing mechanism 300 blows wind into the installation casing 1211 through the air inlet nozzle 1211a, the wind is heated by the heater 1217 into hot wind and blown into the drying tank 1220, in the hot wind blowing process, the hot wind is uniformly dispersed when passing through the steady fluid 1216, continues to be blown upwards in a rotating state after passing through the wind direction changing piece 1218, and is uniformly dispersed when passing through the flow conductor 1219;
s2: the power mechanism 110 drives the auger 1213 to rotate and convey the grain into the rotating body 1214, the auger 1213 rotates and pulls the rotating body 1214 to rotate at a high speed through the speed increasing piece 1215, so that the grain is thrown out of the rotating body 1214 and into the installation shell 1211 under the action of centrifugal force, then the grain is synchronously blown into the drying tank 1220 along with hot air, and the grain is dragged by the hot air in a rotating state to roll, namely the grain is dried in the drying tank 1220 by taking the rotating hot air as a drying source and taking suspension turnover as a drying mode;
s3: the dried grains are blown into the circulating discharging mechanism 400 by hot air;
the circulating discharging mechanism 400 comprises a first discharging member 410 and a second discharging member 420, the first discharging member 410 is communicated with a connecting pipe 1230 and is also communicated with the blowing mechanism 300, and the first discharging member 410 is used for receiving dried grains and conveying the dried grains to the second discharging member 420;
the dried grains are blown into the first discharging member 410 by hot wind through the connecting pipe 1230, and meanwhile, the blowing mechanism 300 blows air into the first discharging member 410 and cools the grains, and then the grains fall into the second discharging member 420;
s4: the second discharging member 420 is disposed below the first discharging member 410, the second discharging member 420 includes a transition duct 421, a discharging control gate, a material return duct 426, and a discharging duct 427, and the second discharging member 420 is used for determining to convey the grains back to the tumble drying device 100 or to convey the grains away after the worker checks whether the grains meet the drying requirement;
the grains are output through the transition pipeline 421, the discharging control gate and the discharging pipeline 427, and the working personnel judge whether the grains meet the drying requirement;
if yes, the subsequent grains are directly output through the transition pipeline 421, the discharging control gate and the discharging pipeline 427 after being dried by the overturning drying device 100;
if the requirement is not met, the worker controls the discharge control gate to be opened and enables the subsequent grains to reenter the turnover drying device 100 through the transition pipeline 421, the discharge control gate and the material return pipeline 426 for drying, even if the grains are dried for multiple times, the worker controls the discharge control gate to be opened reversely and enables the grains to be output through the transition pipeline 421, the discharge control gate and the discharge pipeline 427 until the requirement is met.
The invention adopts the rotary hot air as the drying source and dries the grain in a suspension turnover to drying way, and has the advantages that after the grain is conveyed into the drying tank, the hot air is matched with the wind direction changing piece through the steady fluid to blow the hot air into the drying tank in a uniform dispersion and rotation way, so that the grain is dried in the drying tank in a suspension turnover way, the drying efficiency and the drying effect are better, the dried grain is cooled by the first discharging mechanism through the circulating discharging mechanism, the moisture of the dried grain with higher temperature is avoided when the dried grain is stored in the subsequent closed environment, besides, if the grain is not in accordance with the requirement after primary drying, a worker can control the discharging control gate to convey the subsequent grain back to the turnover drying device through the material returning pipeline for drying, and the operation is repeated until the grain is in accordance with the requirement, the staff accessible reverse control ejection of compact control floodgate makes grain export through ejection of compact pipeline to can guarantee that the grain of being saved in the enclosed environment all accords with the drying requirement.
Adopt inner loop grain drying-machine of upset stoving mode, including the installation support body, install upset drying device 100 on the installation support body, feed mechanism 200, blower mechanism 300, circulation discharge mechanism 400, feed mechanism 200 is used for carrying grain to in the upset drying device 100, blower mechanism 300 is used for providing the air current for upset stoving 10, upset drying device 100 is used for heating wind and uses this to carry out hot-blast upset stoving processing to grain for the drying source, circulation discharge mechanism 400 is used for receiving the grain after the stoving and can carry it back again upset drying device 100 or can transport it away.
The staff topples over grain to in feed mechanism 200 and carries to in upset drying device 100 through feed mechanism 200, air-blast mechanism 300 provides wind for upset drying device 100 simultaneously, grain is through hot-blast drying in upset drying device 100, the stoving in-process, grain can be blown by hot-blast and not stop the upset, thereby reach the even mesh of stoving, grain after the stoving is blown to circulation discharge mechanism 400 in by hot-blast, if grain did not reach the stoving requirement this moment, then staff control circulation discharge mechanism 400 and make grain carry back again and continue to dry in upset drying device 100, if grain reaches the stoving requirement, then staff control circulation discharge mechanism 400 and transport grain away.
The turnover drying device 100 comprises a power mechanism 110 and a drying mechanism 120, wherein the power mechanism 110 is used for driving the drying mechanism 120 to receive the grains conveyed by the feeding mechanism 200 and continuously convey the grains to a drying area of the turnover drying device, and the drying mechanism 120 is used for drying the grains in the drying area by taking hot air as a drying source.
The drying mechanism 120 includes a material taking member 1210 and a drying tank 1220, the material taking member 1210 is used for conveying the grains to the drying tank 1220 under the action of power provided by the power mechanism 110, and the grains are turned over and dried in the drying tank 1220 by hot air.
The material taking member 1210 comprises an installation shell 1211, a material taking pipeline 1212 and a packing auger 1213, the installation shell 1211 is a circular shell structure with an open end and a closed end, the installation shell 1211 is vertically fixed on the installation frame body, the closed end of the installation shell 1211 is positioned below the open end, the closed end of the installation shell 1211 is provided with a fixing hole, and the outer surface of the installation shell 1211 is further provided with an air inlet nozzle 1211 a.
The material taking pipeline 1212 is vertically fixed on the mounting frame body, one end of the material taking pipeline 1212 is located below the mounting casing 1211, the end is provided with a sealing cover in a matching manner, the other end of the material taking pipeline 1212 penetrates through the fixing hole and is located in the mounting casing 1211, the material taking pipeline 1212 and the fixing hole form a sealing connection, and a connection nozzle a1212a and a connection nozzle b1212b are arranged outside the part of the material taking pipeline 1212 located below the mounting casing 1211.
The auger 1213 is coaxially installed in the material taking pipe 1212 and can rotate around its own axis, and the bottom end of the auger 1213 extends out of the material taking pipe 1212 and is located below the sealing cover, and the top end is located above the top end of the material taking pipe 1212, the power mechanism 110 includes a driving motor 111, the driving motor 111 is fixed on the installation frame body, and the output shaft thereof is axially perpendicular to the ground, a power transmission member 112 is arranged between the power output end of the driving motor 111 and the bottom end of the auger 1213, and power transmission is performed between the power output end of the driving motor 111 and the auger 1213 through the power transmission member 112, specifically, the power transmission member 112 is a belt transmission; the driving motor 111 operates and pulls the packing auger 1213 to rotate around the axial direction of the packing auger by the power transmission member 112.
Get material member 1210 still including installing in the rotator 1214 on auger 1213 top, rotator 1214 includes the rotor plate, the guide board, the coaxial movable mounting of rotor plate level is in auger 1213's top and rotation mutually noninterference between the two, the rotor plate is provided with two sets ofly and is located the coaxial rotation axis that is the loop configuration of rotor plate up end of top along the direction on perpendicular to ground, the vertical circumferencial direction array that is fixed in between two sets of rotor plates and guide board along the rotor plate of guide board is provided with a plurality of groups.
A speed increasing piece 1215 is arranged between the rotating body 1214 and the top end of the auger 1213 and performs power transmission between the rotating body 1214 and the auger 1213 through the speed increasing piece 1215, the speed increasing piece 1215 comprises a first gear/a second gear/a third gear/a fourth gear shaft, the first gear is fixed outside the top end of the auger 1213, the second gear is fixed outside the rotating shaft, the third gear is fixed outside the gear shaft and is meshed with the first gear, the fourth gear is fixed outside the gear shaft and is meshed with the second gear, the gear ratio between the first gear/the third gear and the gear ratio between the second gear/the fourth gear are both smaller than 1, preferably, four groups of the gear shafts and the third gear/fourth gear are arranged in an array along the circumferential direction of the rotating body 1214; auger 1213 rotates axially around itself and pulls rotating body 1214 to rotate synchronously by speed increasing member 1215, and simultaneously, because the gear ratio between gear one/three and the gear ratio between gear two/four are both less than 1, rotating body 1214 rotates at high speed.
Preferably, in order to avoid the influence of the grain on the operation of the speed increasing member 1215, a protective cover is also installed outside the speed increasing member 1215 in a matching way.
The material taking component 1210 further comprises a stabilizing fluid 1216, a heater 1217, a wind direction changing element 1218 and a flow guiding body 1219, and the stabilizing fluid 1216/the wind direction changing element 1218/the flow guiding body 1219 are all made of heat conducting materials.
The flow stabilizer 1216 includes a first inner/outer ring and a flow stabilizer, the first inner/outer ring is coaxially disposed in the installation casing 1211, the first outer ring is fixed in the installation casing 1211, the flow stabilizer is vertically fixed between the first inner/outer ring and is arranged in a plurality of groups along the circumferential direction of the first inner/outer ring, and the heater 1217 is in a ring structure and is coaxially fixed in the first inner ring.
The wind direction changing piece 1218 is positioned above the flow stabilizer 1216 and is in heat conduction contact with the flow stabilizer 1216, the wind direction changing piece 1218 comprises an inner ring body II and an outer ring body II, the inner ring body II and the outer ring body II are coaxially arranged in the installation shell 1211, a fastener is arranged between the outer ring body II and the outer ring body I and is fixedly connected through the fastener, and the wind direction changing piece is obliquely fixed between the inner ring body II and the outer ring body II and is provided with a plurality of groups along the circumferential direction array of the inner ring body II and the outer ring body II.
The flow guide body 1219 is in a cone structure, the flow guide body 1219 is coaxially fixed on the upper end surface of the inner ring body, and the horizontal cross-sectional area of the flow guide body 1219 decreases progressively from bottom to top.
The drying tank 1220 is a tank structure with two open ends and the drying tank 1220 is fixed on the installation frame body, the drying tank 1220 can be divided into a drying section which is a cylindrical barrel structure and is connected and communicated with the upper open end of the installation shell 1211, an output section which is a circular truncated cone barrel structure, the large end of the output section is communicated with the drying section, and the small end of the output section is connected and communicated with the connecting pipe 1230.
The feeding mechanism 200 conveys grains into the material taking pipeline 1212 through a communicating nozzle a1212a, the blowing mechanism 300 blows wind into the installation casing 1211 through the air inlet nozzle 1211a and the wind is heated by the heater 1217 to be hot wind, the hot wind is uniformly dispersed when passing through the stationary fluid 1216, continuously blows upwards in a rotating state after passing through the wind direction changing piece 1218, and is uniformly dispersed when passing through the flow guide 1219;
the power mechanism 110 drives the auger 1213 to rotate and convey the grain into the rotating body 1214, the auger 1213 rotates and pulls the rotating body 1214 to rotate at a high speed through the speed increasing piece 1215, so that the grain is thrown out of the rotating body 1214 into the mounting shell 1211 under the action of centrifugal force, and then the grain is blown into the drying section of the drying tank 1220 by hot air, and the grain rolls under the traction of the hot air in a rotating state, so that the drying effect of the grain is better, and the dried grain is output to the circulating discharging mechanism 400 through the output section of the drying tank 1220 and the connecting pipe 1230.
The feeding mechanism 200 comprises a feeding hopper 210 for receiving grains, a feeding pipe 230 connected and communicated with a communicating nozzle a1212a, and a feeding control gate 220 disposed between the feeding hopper 210 and the feeding pipe 230 and used for controlling whether the grains in the feeding hopper 210 can be conveyed into the feeding pipe 230.
The feeding control gate 220 includes a mounting pipe 221, a feeding control motor 222, a rotating shaft 223, and a closing plate 224, the mounting pipe 221 is vertically fixed on the mounting frame body, and a through hole is opened on the outer circumferential surface of the mounting pipe 221, the feeding control motor 222 is fixed on the mounting frame body, and the output shaft of the feeding control motor 222 is axially and horizontally arranged, the rotating shaft 223 is coaxially fixed at the power output end of the feeding control motor 222, the other end of the rotating shaft 223 penetrates through the through hole and is located in the mounting pipe 221, the closing plate 224 is horizontally fixed on the rotating shaft 223, and the closing plate 224 can close the mounting pipe.
The feeding hopper 210 is fixed on the mounting frame body and is connected and communicated with an upper pipe opening of the mounting pipe 221, one end of the feeding pipe 230 is connected and communicated with a lower pipe opening of the mounting pipe 221, and the other end of the feeding pipe is connected and communicated with a connecting nozzle a1212 a.
The operator controls the opening of the feeding control motor 222 to determine whether the closing plate 224 closes the installation pipe 221, and thus whether the grain can be conveyed from the feeding hopper 210 into the feeding pipe 230.
The circulating discharging mechanism 400 includes a first discharging member 410 and a second discharging member 420, the first discharging member 410 is connected to the connecting pipe 1230 and is used for receiving the dried grains and conveying the grains to the second discharging member 420, and the second discharging member 420 is used for determining to convey the grains back to the tumble drying device 100 or to convey the grains away after the worker checks whether the grains meet the drying requirement.
The first discharging member 410 includes a material conveying pipeline 411 and a cooling pipeline 412 fixed on the mounting frame body, the cooling pipeline 412 is located under the material conveying pipeline 411, one end of the material conveying pipeline 411 is connected and communicated with a connecting pipe 1230, the other end of the material conveying pipeline is an air exhaust end, one end of the cooling pipeline 412 is an air inlet end and communicated with the blower mechanism 300, and the other end of the cooling pipeline 412 is communicated with the material conveying pipeline 411.
A communicating pipe which is used for connecting and communicating the conveying pipeline 411 and the cooling pipeline 412 and is vertically arranged is further arranged between the conveying pipeline 411 and the cooling pipeline 412, and the communicating position between the cooling pipeline 412 and the conveying pipeline 411 is located between the communicating pipe and the air exhaust end of the conveying pipeline 411.
The connecting pipe is internally and vertically provided with a blocking net 413, the top end of the blocking net 413 extends to the upper cavity wall of the material conveying pipeline 411, and the bottom end of the blocking net 413 extends to the lower cavity wall of the cooling pipeline 412.
The hot air blows grains into the conveying pipeline 411, wherein the hot air is discharged from the air exhaust end of the conveying pipeline, the grains enter the cooling pipeline 412 through the communicating pipe, meanwhile, the air blowing mechanism 300 blows air into the cooling pipeline 412 and cools the grains, and then the grains fall into the second discharging member 420, and the air is discharged from the air exhaust end of the cooling pipeline 412 and the conveying pipeline 411.
Preferably, for the environmental protection, the end of airing exhaust of conveying pipeline 411 match and install the dust remover, and the dust remover is prior art, and no longer gives details here.
Preferably, in order to avoid mutual interference between the hot and cold air, a partition plate 414 is disposed at a connection position between the material conveying pipeline 411 and the cooling pipeline 412, the partition plate 414 is composed of two sections, which are respectively an inclined section and a horizontal section, the inclined section and the air exhaust end of the material conveying pipeline 411 are arranged in an inclined manner, the distance between the inclined section and the air exhaust end of the material conveying pipeline 411 decreases progressively from bottom to top, and the horizontal section is fixed at the top end of the inclined section and is located on one side of the inclined section facing the air exhaust end of the material.
The second discharging member 420 is disposed below the first discharging member 410, and the second discharging member 420 includes a transition pipe 421, a discharging control gate, a material return pipe 426, and a discharging pipe 427.
Transition pipeline 421 be one end opening, one end is sealed and the blind end is located the pipeline structure of open end below, transition pipeline 421 is vertical be fixed in on the installation support body and its open end and cooling tube 412 switch-on to transition pipeline 421 and connect the siphunculus to be located same vertical line, transition pipeline 421's surface has still been seted up and has been dodged the hole.
The discharge control gate comprises a discharge control motor 422, a mounting shaft 423, a baffle 424 and a partition plate 425, wherein the partition plate 425 is vertically fixed at the bottom of the cavity of the transition pipeline 421 and divides the part close to the closed end in the transition pipeline 421 into two sections which are respectively a first connecting section and a second connecting section.
Ejection of compact control motor 422 be fixed in on the installation support body and its output shaft axial level arranges, installation axle 423 is fixed in ejection of compact motor 422's power take off end and the other end of installation axle 423 passes dodge the hole and is located transition pipeline 421 coaxially.
The baffle 424 is fixed outside the mounting shaft 423, the baffle 424 can close the first connecting section/the second connecting section of the transition pipe 421, and the initial state of the baffle 424 is to close the first connecting section.
The material return pipe 426 and the material discharge pipe 427 are both fixed on the mounting frame body, one end of the material return pipe 426 is connected and communicated with the connecting section of the transition pipe 421, the other end of the material return pipe 426 is connected and communicated with the connecting nozzle b1212b, and the material discharge pipe 427 is connected and communicated with the connecting section two of the transition pipe 421.
Grain is conveyed into the transition pipeline 421 by the first discharging mechanism 410 and is output through the discharging pipeline 427, the worker judges whether the grain meets the drying requirement, if yes, the following grain is dried by the turnover drying device 100 and then is directly discharged through the circulating discharging mechanism 400, if not, the worker controls the discharging control motor 422 to be opened and enables the baffle 424 to be converted into the second connecting section of the closed transition pipeline 421, the following grain is dried by the turnover drying device 100 and then enters the turnover drying device 100 again through the material returning pipeline 426 to be dried, until the requirement is met, the worker controls the discharging control motor 422 to be opened and enables the baffle 424 to be converted into the first connecting section of the closed transition pipeline 421, and the grain meeting the requirement can be output through the discharging pipeline 427.
The blower mechanism 300 includes a blower 310, a first air inlet duct 320, and a second air inlet duct 330, the blower 310 is fixed on the mounting frame, the first air inlet duct 320 is used for connecting the blower 310 with the air inlet connector 1211a, and the second air inlet duct 330 is used for connecting the blower 310 with the air inlet end of the cooling duct 412.

Claims (7)

1. The grain drying process capable of drying for multiple times comprises the following steps:
s1: the grain enters the turnover drying device through the feeding mechanism;
the overturning and drying device comprises a power mechanism and a drying mechanism, the drying mechanism comprises a material taking component and a drying tank, the material taking component comprises an installation shell, a material taking pipeline and a packing auger, the installation shell is of a round shell structure with an open end and a closed end, the installation shell is vertically fixed on an installation frame body, the closed end of the installation shell is positioned below the open end, a fixing hole is formed in the closed end of the installation shell, and an air inlet connector is further arranged on the outer surface of the installation shell;
the material taking pipeline is vertically fixed on the mounting frame body, one end of the material taking pipeline is positioned below the mounting shell, a sealing cover is installed at the end of the material taking pipeline in a matching mode, the other end of the material taking pipeline penetrates through the fixing hole and is positioned in the mounting shell, the material taking pipeline is in sealed connection with the fixing hole, and a connecting nozzle a and a connecting nozzle b are arranged outside the part, below the mounting shell, of the material taking pipeline;
the packing auger is coaxially arranged in the material taking pipeline and can rotate around the axial direction of the packing auger, the bottom end of the packing auger extends out of the material taking pipeline and is positioned below the sealing cover, and the top end of the packing auger is positioned above the top end of the material taking pipeline;
the material taking component also comprises a rotating body arranged at the top end of the auger, the rotating body comprises a rotating plate and a guide plate, the rotating plate is horizontally and coaxially and movably arranged at the top end of the auger, the rotation of the rotating plate and the rotating plate is not interfered with each other, the rotating plate is provided with two groups along the direction vertical to the ground, the upper end face of the rotating plate above the rotating plate is coaxially provided with a rotating shaft in a ring structure, the guide plate is vertically fixed between the two groups of rotating plates and is provided with a plurality of groups along the circumferential direction array of the rotating plate, an accelerating part is arranged between the rotating body and the;
the material taking component also comprises a steady fluid, a heater, a wind direction changing piece and a flow guide body, wherein the steady fluid/the wind direction changing piece/the flow guide body are all made of heat conducting materials;
the drying tank is of a tank body structure with openings at two ends and is fixed on the mounting frame body, and the drying tank can be divided into a drying section which is of a cylindrical barrel structure and is communicated with the upper opening end of the mounting shell, and an output section which is of a round platform barrel structure, is communicated with the drying section at the large end and is communicated with a connecting pipe at the small end from bottom to top along the self axial direction;
the feeding mechanism conveys grains into the material taking pipeline through the communicating nozzle a, meanwhile, the air blowing mechanism blows air into the mounting shell through the air inlet communicating nozzle, the air is heated into hot air by the heater and blown into the drying tank, and in the hot air blowing process, the hot air is uniformly dispersed when passing through the constant flow body, continues to be blown upwards in a rotating state after passing through the wind direction changing piece, and is uniformly dispersed when passing through the flow guide body;
s2: the power mechanism drives the packing auger to rotate and convey the grains into the rotating body, the packing auger rotates and pulls the rotating body to rotate at a high speed through the speed increasing piece, so that the grains are thrown out of the rotating body into the mounting shell under the action of centrifugal force, then the grains are synchronously blown into the drying tank along with hot air and are rolled under the traction of the hot air in a rotating state, namely the grains are dried in the drying tank by taking the rotating hot air as a drying source and taking suspension turnover as a drying mode;
s3: the dried grains are blown into a circulating discharging mechanism by hot air;
the circulating discharging mechanism comprises a first discharging member and a second discharging member, the first discharging member is communicated with the connecting pipe and the air blowing mechanism, and the first discharging member is used for receiving the dried grains and conveying the grains to the second discharging member;
the dried grains are blown into the first discharging component by hot air through the connecting pipe, meanwhile, the air blowing mechanism blows air into the first discharging component and cools the grains, and then the grains fall into the second discharging component;
s4: the second discharging component is arranged below the first discharging component and comprises a transition pipeline, a discharging control gate, a material returning pipeline and a discharging pipeline, and the second discharging component is used for determining that grains are conveyed back to the overturning drying device again or can be conveyed away after workers check whether the grains meet the drying requirements or not;
the grain is output through the transition pipeline, the discharging control gate and the discharging pipeline, and the worker judges whether the grain meets the drying requirement;
if the grain is in accordance with the requirement, the subsequent grain is dried by the overturning drying device and then is directly output through the transition pipeline, the discharging control gate and the discharging pipeline;
if the requirement is not met, the worker controls the discharge control gate to be opened and enables the follow-up grains to reenter the turnover drying device through the transition pipeline, the discharge control gate and the material return pipeline for drying, even if the grains are dried for multiple times, the worker controls the discharge control gate to be opened reversely and enables the grains to be output through the transition pipeline, the discharge control gate and the discharge pipeline until the requirement is met.
2. The grain drying process capable of performing multiple drying according to claim 1, wherein the power mechanism comprises a driving motor, the driving motor is fixed on the mounting frame body, an output shaft of the driving motor is axially vertical to the ground, a power transmission member is arranged between a power output end of the driving motor and the bottom end of the auger, power transmission is performed between the power output end of the driving motor and the bottom end of the auger through the power transmission member, and the power transmission member is a belt transmission member;
the speed increasing part comprises a first gear/a second gear/a third gear/a fourth gear and a gear shaft, the gear shaft is vertically and movably arranged on the upper end face of the rotating plate and can rotate around the self axial direction, the first gear is fixed outside the top end of the packing auger, the second gear is fixed outside the rotating shaft, the third gear is fixed outside the gear shaft and is meshed with the first gear, the fourth gear is fixed outside the gear shaft and is meshed with the second gear, the gear ratio between the first gear/the third gear and the gear ratio between the second gear/the fourth gear are both smaller than 1, the gear shaft and the third gear/the fourth gear are arranged in four groups in an array along the circumferential direction,
a protective cover shell is also arranged outside the speed increasing piece in a matching way;
the flow stabilizer comprises an inner ring body I and an outer ring body I and flow stabilizing sheets, wherein the inner ring body I and the outer ring body I are coaxially arranged in the installation shell, the outer ring body I is fixed in the installation shell, the flow stabilizing sheets are vertically fixed between the inner ring body I and the outer ring body I, a plurality of groups of flow stabilizing sheets are arrayed along the circumferential direction of the inner ring body I and the outer ring body I, and the heater is of a ring body structure and is coaxially fixed in the inner ring body I;
the wind direction changing piece is positioned above the flow stabilizer and is in heat conduction contact with the flow stabilizer, the wind direction changing piece comprises an inner ring body II and an outer ring body II, the inner ring body II and the outer ring body II are coaxially arranged in the mounting shell, a fastening piece is arranged between the outer ring body II and the outer ring body I and fixedly connected through the fastening piece, the wind direction changing pieces are obliquely fixed between the inner ring body II and the outer ring body II, and a plurality of groups of the wind direction changing pieces are arranged in an array mode along the circumferential direction of the inner ring body II and the outer ring body II;
the flow guide body is in a cone structure, the flow guide body is coaxially fixed on the upper end surface of the inner ring body, and the horizontal cross-sectional area of the flow guide body decreases progressively from bottom to top.
3. The grain drying process capable of performing multiple drying according to claim 1 or 2, wherein the feeding mechanism comprises a feeding hopper for receiving grains, a feeding pipe for being connected and communicated with the communicating nozzle a, and a feeding control gate which is arranged between the feeding hopper and the feeding pipe and is used for controlling whether the grains in the feeding hopper can be conveyed into the feeding pipe or not;
the feeding control gate include installation pipe, feeding control motor, pivot, closing plate, the installation pipe is vertical to be fixed in on the installation support body and its excircle face seted up and to wear to establish the hole, feeding control motor is fixed in on the installation support body and its output shaft axial level arranges, the pivot is coaxial to be fixed in the power take off end of feeding control motor and the other end of pivot pass to wear to establish the hole and lie in the installation pipe, the closing plate level is fixed in the pivot and the closing plate can seal the installation pipe.
4. The feeder hopper be fixed in on the installation support body and its upper tube mouth with the installation pipe connect the switch-on, the one end of inlet pipe and the lower mouth of pipe connection switch-on of installation pipe, the other end and switch-on mouth a connect the switch-on.
5. The grain drying process capable of performing multiple drying according to claim 3, wherein the first discharging member comprises a material conveying pipeline and a cooling pipeline which are fixed on the mounting frame body, the cooling pipeline is positioned right below the material conveying pipeline, one end of the material conveying pipeline is communicated with the connecting pipe, the other end of the material conveying pipeline is an air exhaust end, one end of the cooling pipeline is an air inlet end, the air inlet end is communicated with the air blowing mechanism, and the other end of the cooling pipeline is communicated with the material conveying pipeline;
a communicating pipe which is used for connecting and communicating the conveying pipeline and the cooling pipeline and is vertically arranged is also arranged between the conveying pipeline and the cooling pipeline, and the communicating position between the cooling pipeline and the conveying pipeline is positioned between the communicating pipe and the air exhaust end of the conveying pipeline;
a blocking net is vertically arranged in the connecting pipe, the top end of the blocking net extends to the upper cavity wall of the material conveying pipeline, and the bottom end of the blocking net extends to the lower cavity wall of the cooling pipeline in a time-delay manner;
the air exhaust end of the material conveying pipeline is provided with a dust remover in a matching way;
the air exhaust device is characterized in that a partition plate is arranged at the connection position of the conveying pipeline and the cooling pipeline, the partition plate is composed of two sections, namely an inclined section and a horizontal section, the inclined section and the horizontal section are obliquely arranged, the distance between the inclined section and the air exhaust end of the conveying pipeline decreases progressively from bottom to top, and the horizontal section is fixed at the top end of the inclined section and is positioned on one side, facing the air exhaust end of the conveying pipeline, of the inclined section.
6. The grain drying process capable of performing multiple drying according to claim 4, wherein the transition pipeline is of a pipeline structure with one open end and one closed end, the closed end is positioned below the open end, the transition pipeline is vertically fixed on the mounting frame body, the open end of the transition pipeline is communicated with the cooling pipeline, the transition pipeline and the communicating pipe are positioned on the same vertical line, and an avoiding hole is formed in the outer surface of the transition pipeline;
the discharge control gate comprises a discharge control motor, a mounting shaft, a baffle plate and a partition plate, wherein the partition plate is vertically fixed at the cavity bottom of the transition pipeline and divides the part close to the closed end in the transition pipeline into two sections which are respectively a first connecting section and a second connecting section;
the discharging control motor is fixed on the mounting frame body, an output shaft of the discharging control motor is axially and horizontally arranged, the mounting shaft is coaxially fixed at a power output end of the discharging motor, and the other end of the mounting shaft penetrates through the avoidance hole and is positioned in the transition pipeline;
the baffle is fixed outside the installation shaft and can seal a first connecting section/a second connecting section of the transition pipeline, and the initial state of the baffle is a first sealing connecting section;
the material returning pipeline and the material discharging pipeline are fixed on the installation frame body, one end of the material returning pipeline is connected and communicated with a connecting section I of the transition pipeline, the other end of the material returning pipeline is connected and communicated with the connecting nozzle B, and the material discharging pipeline is connected and communicated with a connecting section II of the transition pipeline.
7. The grain drying process capable of drying for multiple times according to claim 1 or 4, wherein the blowing mechanism comprises an air blower, a first air inlet pipeline and a second air inlet pipeline, the air blower is fixed on the mounting frame body, the first air inlet pipeline is used for connecting and communicating the air blower and an air inlet connector, and the second air inlet pipeline is used for connecting and communicating the air blower and an air inlet end of the cooling pipeline.
CN201910946088.9A 2019-10-02 2019-10-02 Grain drying process capable of performing multiple drying Withdrawn CN111623621A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201081521Y (en) * 2007-05-22 2008-07-02 武奋超 Air flow drying device for material
CN201527161U (en) * 2009-11-05 2010-07-14 兰州瑞德干燥技术有限公司 Novel pneumatic dryer for preparing an oil-refining catalyst
CN105492852A (en) * 2013-08-30 2016-04-13 北海道特殊饲料株式会社 Drying method, drying device, and drying system making use of temperature differential
CN105851225A (en) * 2016-06-08 2016-08-17 王宾 Suspension blowing-type grain dryer for farm
EA201690953A1 (en) * 2013-12-12 2016-11-30 Оутотек (Финлэнд) Ой METHOD AND INSTALLATION FOR DRYING CRUSHED SOLID MATERIAL AND APPLICATION OF THE SPECIFIED METHOD OR INSTALLATION
CN206399163U (en) * 2017-01-12 2017-08-11 美雅迪（佛冈）家具制造有限公司 A kind of PS particles cyclone dryer
CN107462055A (en) * 2017-07-14 2017-12-12 望江县乡缘农业有限责任公司 A kind of Cirulation type grain drying unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201081521Y (en) * 2007-05-22 2008-07-02 武奋超 Air flow drying device for material
CN201527161U (en) * 2009-11-05 2010-07-14 兰州瑞德干燥技术有限公司 Novel pneumatic dryer for preparing an oil-refining catalyst
CN105492852A (en) * 2013-08-30 2016-04-13 北海道特殊饲料株式会社 Drying method, drying device, and drying system making use of temperature differential
EA201690953A1 (en) * 2013-12-12 2016-11-30 Оутотек (Финлэнд) Ой METHOD AND INSTALLATION FOR DRYING CRUSHED SOLID MATERIAL AND APPLICATION OF THE SPECIFIED METHOD OR INSTALLATION
CN105851225A (en) * 2016-06-08 2016-08-17 王宾 Suspension blowing-type grain dryer for farm
CN206399163U (en) * 2017-01-12 2017-08-11 美雅迪（佛冈）家具制造有限公司 A kind of PS particles cyclone dryer
CN107462055A (en) * 2017-07-14 2017-12-12 望江县乡缘农业有限责任公司 A kind of Cirulation type grain drying unit

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