CN107238271A - A kind of paddy delays the implementation method of drop formula hot-air drying device - Google Patents

A kind of paddy delays the implementation method of drop formula hot-air drying device Download PDF

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Publication number
CN107238271A
CN107238271A CN201710609092.7A CN201710609092A CN107238271A CN 107238271 A CN107238271 A CN 107238271A CN 201710609092 A CN201710609092 A CN 201710609092A CN 107238271 A CN107238271 A CN 107238271A
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CN
China
Prior art keywords
slow
paddy
blanking plate
drop
dryness storehouse
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Withdrawn
Application number
CN201710609092.7A
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Chinese (zh)
Inventor
卢丽花
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Individual
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Individual
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Priority to CN201710609092.7A priority Critical patent/CN107238271A/en
Publication of CN107238271A publication Critical patent/CN107238271A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • F26B17/122Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the material moving through a cross-flow of drying gas; the drying enclosure, e.g. shaft, consisting of substantially vertical, perforated walls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001Handling, e.g. loading or unloading arrangements
    • F26B25/002Handling, e.g. loading or unloading arrangements for bulk goods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04Agitating, stirring, or scraping devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/06Grains, e.g. cereals, wheat, rice, corn

Abstract

The invention provides the implementation method that a kind of paddy delays drop formula hot-air drying device, methods described need to provide a paddy and delay drop formula hot-air drying device, paddy is sent on splicing storehouse by the first screw conveyor, and now the paddy in splicing storehouse drops into two from the feeding port of the splicing storehouse left and right sides and slow come down to a lower group on part;Each slow blanking plate of slow part of coming down to a lower group is both provided with electromagnetic shaker, then the end of paddy from first slow blanking plate is slowly slipped to the end of second slow blanking plate, slowly it is slipped to the end of the 3rd slow blanking plate again from the end of second slow blanking plate, by that analogy, now hot blast is flowed on the aperture of each slow blanking plate from guide duct by the exhaust vent of ajutage, so that the paddy on slow blanking plate be dried;The present invention can carry out rapid draing to paddy, and paddy is when slowly fall, and can carry out fully dry.

Description

A kind of paddy delays the implementation method of drop formula hot-air drying device
Technical field
The present invention relates to crop technical field, particularly a kind of paddy delays the implementation method of drop formula hot-air drying device.
Background technology
Moisture is that the moisture in an important chemical composition in paddy, paddy not only has very big to the physiology of seed Influence, and the value of processing with paddy and keeping and paddy has very big relation.So must be to paddy after harvest Dried or dried.If not dried when putting in storage to paddy, then paddy seed feels like jelly, and has slight musty, so Paddy will go bad, and can break down, and be unfavorable for storage;And drying of the existing rice drying device to paddy is not abundant enough, i.e., It is that too many paddy carries out disposable importing drying, then some paddy can residual moisture.Accordingly, it would be desirable to which a kind of method of drying is come Realize the thorough drying of paddy.
The content of the invention
To overcome above mentioned problem, it is an object of the invention to provide the realization side that a kind of paddy delays drop formula hot-air drying device Method, can effectively improve the air-dried efficiency that paddy delays drop formula hot-air drying device, overcome that hot gas in conventional drying chamber is uneven to be showed As improving drying efficiency.
The present invention is realized using following scheme:A kind of paddy delays the implementation method of drop formula hot-air drying device, methods described One paddy need to be provided and delay drop formula hot-air drying device, the paddy, which delays drop formula hot-air drying device, includes a support frame, the branch Support restocking is provided with slow drop dryness storehouse and the first screw conveyor, and slow the drop dryness storehouse and the first screw conveyor are set side by side Put, first screw conveyor is vertically arranged, the slow drop dryness storehouse bottom is connected with an infundibulate discharging bin, the funnel Shape discharging bin bottom is horizontally arranged with one second screw conveyor, second screw conveyor and first screw conveyor Connect, the first screw conveyor bottom is provided with an outlet valve, and outlet valve is located under the first screw conveyor Below material mouth;It is provided with by support frame as described above on a support, the support and is fixed with blower fan and heating wire successively, the heating wire On be horizontally arranged with a guide duct;The upper end of the slow drop dryness storehouse is provided with a splicing storehouse, and splicing position in storehouse is in slow drop drying In storehouse, the inwall of slow the drop dryness storehouse and infundibulate discharging bin is hollow structure, the two connection, and inwall offers air-out Hole;The top discharge mouthful of first screw conveyor is located above the splicing storehouse;Open the bin bottom left and right sides that connects Provided with feeding port, it is described connect bin bottom and be provided with downward vertically on an ajutage, the perisporium of the ajutage be evenly distributed with Multiple exhaust vents;The conduit that the top of the ajutage extends through both sides is connected to slow drop dryness storehouse, the conduit with it is described The inwall connection of slow drop dryness storehouse, is sprayed with the wind of sharp ajutage through conduit by the inwall of the inwall and infundibulate discharging bin Go out;The afterbody of the guide duct is mutually connected with the ajutage;Multiple air-out chimney are provided with the top of the slow drop dryness storehouse;Institute State and two slow parts of coming down to a lower group are symmetrically arranged with slow drop dryness storehouse, two slow parts of coming down to a lower group are located at the feeding of the splicing storehouse left and right sides respectively Below mouthful;The slow part of coming down to a lower group enables the paddy in splicing storehouse to be slowly sent on infundibulate discharging bin;The slow part of coming down to a lower group Bottom including multiple slow blanking plates, and each slow blanking plate is provided with an electromagnetic shaker;Each described slow blanking Multiple air-out apertures are offered on plate;Each described slow blanking plate is hollow structure, wherein being fixed on the slow of ventilation duct side One end of blanking plate is connected with ventilation duct, is fixed on one end of the slow blanking plate of slow drop dryness storehouse inwall and slow drop dryness storehouse Inwall is connected, and is blown out with the wind of sharp ventilation duct from the air-out aperture of the slow blanking plate;In the multiple slow blanking plate The end of first slow blanking plate be fixed on below the feeding port in splicing storehouse, and afterbody is located at second slow blanking plate Above end;The end of described second slow blanking plate is fixed on slow drop dryness storehouse inwall, and afterbody is slow positioned at the 3rd Above the end of blanking plate;The end of described 3rd slow blanking plate is fixed in air-supply pipe outer wall, and afterbody is located at the 4th Above the end of slow blanking plate;The like remaining slow blanking plate is set;The afterbody of each slow blanking plate with Horizontal plane shape is at an angle;The stepped distribution of the word of formation between the multiple slow blanking plate;Two in ajutage side It is provided with a Cyclonic escape pipe between adjacent slow blanking plate, the Cyclonic escape pipe going out through bearing and the ajutage Gas branch pipe is connected;Magnetic valve is provided with the going out gas branch pipe;The surface of the Cyclonic escape pipe offers spiral outlet Hole, with sharp Cyclonic escape pipe in outlet, because the thrust of gas carries out spinning;The both sides of the conduit of the both sides extension A ball electromagnetic valve is each provided with, the gas circuit for opening and closing slow drop dryness storehouse and infundibulate discharging bin inwall;
The implementation method follows the steps below operation:
Step S1, the feed hopper that paddy is poured into the first screw conveyor, and blower fan, heating wire are opened, now first allow slow drop dry Hot blast is full of in dry storehouse, electromagnetic shaker and the first screw conveyor on each slow blanking plate is then turned on;
Paddy is sent on splicing storehouse by step S2, the first screw conveyor from the top discharge mouthful of the first screw conveyor, now Paddy in splicing storehouse drops into two from the feeding port of the splicing storehouse left and right sides and slow come down to a lower group on part;
Step S3, each slow blanking plate of slow part of coming down to a lower group are both provided with electromagnetic shaker, then paddy is from first slow blanking plate End is slowly slipped to the end of second slow blanking plate, and the 3rd is slowly slipped to again from the end of second slow blanking plate The end of individual slow blanking plate, by that analogy, it is slow that the exhaust vent that now hot blast passes through ajutage from guide duct is flowed into each On the aperture of blanking plate, so that the paddy on slow blanking plate be dried;
Step S4, the control globe valve and magnetic valve are opened and closed once at predetermined time intervals, to agitate the heat in slow drop dryness storehouse Wind;
Postpone come down to a lower group last slow blanking plate of part of step S5, paddy is dropped into after infundibulate discharging bin, is stopped first and is twisted Imperial conveyer, opens outlet valve, is then turned on the second screw conveyor, and now dried paddy carries out discharging behaviour from outlet valve Make.
Further, the implementation method further comprises that the drying paddy that step S5, charge and discharge come out carries out checking rice Whether paddy is fully dried, and is then to continue discharging operations, no, then immediately closes outlet valve, opens the first screw conveyor, now Paddy is again fed on splicing storehouse by the second screw conveyor and the first screw conveyor, then carries out repeat step S2, step Rapid S3, step S4 and step S5 operation, carry out secondary drying.
Further, 30 ~ 60 degree be the angle ranging from.
Further, the paddy is in slow drop dryness storehouse drying process, and the hot blast delayed in drop dryness storehouse is arranged from air-out chimney Go out.
Further, the blower fan sends into hot blast in constantly being dried toward slow drop dryness storehouse, then is also deposited in infundibulate discharging bin In hot blast, paddy from last slow blanking plate drop into infundibulate discharging bin when, the hot blast in infundibulate discharging bin is to rice Paddy plays desiccation.
Further, after paddy discharging is finished in the step S5, blower fan, heating wire, electromagnetic shaker and the second strand are closed Imperial conveyer.
Further, the air exhauster in the air-out chimney, which starts, is divided into both of which:The first pattern is:Paddy is in slow drop When in dryness storehouse dry for the first time, air exhauster is opened;So exhausting function will be relatively moister in slow drop dryness storehouse Hot blast is quickly taken away, and what is left in so slow drop dryness storehouse is exactly dry hot blast;Second of pattern be:Paddy is in slow drop When carrying out second or dry above for the second time in dryness storehouse, air exhauster is closed;Rice when drying due to second Paddy will not be very moist, and what is now retained in slow drop dryness storehouse is dry hot blast, closes air exhauster so that paddy can be slow at each Blanking at leisure on slow blanking plate, so as to carry out fully drying paddy.
Further, air exhauster carries out the operation in two stages again in the first described pattern:First stage is:Paddy is firm When entering slow drop dryness storehouse, air exhauster is opened, second stage is:Paddy drop into the middle of slow drop dryness storehouse when Wait, close air exhauster.
Advantages of the present invention is as follows:Paddy is pumped into slow drop dryness storehouse by the method for the present invention by the first screw conveyor In operation is dried, delay in drop dryness storehouse and be provided with ajutage, by blower fan and heating wire toward feeding hot blast in ajutage to rice Paddy is dried, wherein be provided with two slow parts of coming down to a lower group in the slow drop dryness storehouse, and the slow part of coming down to a lower group includes multiple slow Blanking plate, and the bottom of each slow blanking plate is provided with an electromagnetic shaker;Offered on each described slow blanking plate multiple Aperture;The afterbody and horizontal plane shape of each slow blanking plate are at an angle;Formed between the multiple slow blanking plate The stepped distribution of word.So paddy enters line slip from each slow blanking plate, delays because the hot blast in ajutage is flowed into On the aperture of slow blanking plate, the paddy on so slow blanking plate is dried while sliding, thus realize by paddy from Blanking is slowly slid in each slow blanking plate to carry out drying layer by layer, can so carry out fully drying, and dry effect Rate is high;In addition, the present invention is using inwall and slow drop plate hollow structure, by gas circuit ensure that in drying chamber body it is comprehensive go out Gas, overcomes the problem of hot gas is uneven in existing drying chamber, and greatly improve drying efficiency;Along with Cyclonic outlet Pipe, allows the hot gas spinning of ejection, stirs the gas and paddy in cavity by hot gas, further increases the utilization of hot gas Rate.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the inventive method;
Fig. 2 is the cross-sectional view of the present invention;
Fig. 3 is the left side structure schematic diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
Refering to shown in Fig. 1 to Fig. 3, a kind of paddy of the invention delays the implementation method of drop formula hot-air drying device, the side Method need to provide a paddy and delay drop formula hot-air drying device, and the paddy, which delays drop formula hot-air drying device, includes a support frame 1, described The restocking of support frame 1 is provided with the slow drop screw conveyor 3 of dryness storehouse 2 and first, the slow drop screw conveyor 3 of dryness storehouse 2 and first It is arranged side by side, first screw conveyor 3 is vertically arranged, slow drop dryness storehouse 2 bottom is connected with an infundibulate discharging bin 21, the bottom of infundibulate discharging bin 21 is horizontally arranged with one second screw conveyor 4, second screw conveyor 4 and institute State the first screw conveyor 3 to connect, be so pumped into paddy repeatedly by the first screw conveyor, the second screw conveyor Operation is dried in slow drop dryness storehouse.
The bottom of first screw conveyor 3 is provided with an outlet valve 31, and outlet valve 31 is located at the first screw conveyor 3 Lower discharge port below;It is provided with by support frame as described above 1 on a support 5, the support 5 and is fixed with blower fan 51 and heating wire successively 52, a guide duct 53 is horizontally arranged with the heating wire 52;After completion is dried, stop the first screw conveyor 3 and operate, Second screw conveyor 4, which works on, to discharge paddy from outlet valve 31.
The upper end of the slow drop dryness storehouse 2 is provided with a splicing storehouse 22, and splicing storehouse 22 is located in slow drop dryness storehouse 2, institute The inwall for stating slow drop dryness storehouse and infundibulate discharging bin is hollow structure 71, the two connection, and inwall offers exhaust vent(In figure Do not illustrate);The top discharge mouthful of first screw conveyor 3 is located at the top of splicing storehouse 22;The bottom of splicing storehouse 22 is left Right both sides offer feeding port 23, and the bottom of splicing storehouse 22 is provided with an ajutage 24, the ajutage 24 downward vertically Perisporium on be evenly distributed with multiple exhaust vents 241;The conduit 72 that the top of the ajutage extends through both sides is connected to slow Dryness storehouse is dropped, and the conduit 72 is connected with the inwall of the slow drop dryness storehouse, with the wind of sharp ajutage through conduit by the inwall And the inwall of infundibulate discharging bin 21 sprays;The both sides of the conduit of the both sides extension are each provided with a ball electromagnetic valve 73, Gas circuit for opening and closing slow drop dryness storehouse and infundibulate discharging bin inwall;The afterbody of the guide duct 53 and the phase of ajutage 24 Linking;So blower fan and the hot blast of heating wire blowout can be by the way that in guide duct to ajutage 24, hot blast be from ajutage 24 by going out Air holes 241 flows on the aperture of slow blanking plate 61 and operation is dried to the paddy on slow blanking plate 61;
The slow top of drop dryness storehouse 2 is provided with multiple air-out chimney 25;Two are symmetrically arranged with the slow drop dryness storehouse 2 to delay Come down to a lower group part 6, two slow parts 6 of coming down to a lower group are respectively positioned at the lower section of feeding port 23 of the left and right sides of splicing storehouse 22;The slow part 6 of coming down to a lower group causes Paddy in splicing storehouse 22 can be slowly sent on infundibulate discharging bin 21;
The slow part 6 of coming down to a lower group includes multiple slow blanking plates 61, and the bottom of each slow blanking plate 61 is provided with a shake Dynamic device 62;Multiple air-out apertures are offered on each described slow blanking plate;Each described slow blanking plate is hollow structure 71, The one end for being wherein fixed on the slow blanking plate of ventilation duct side is connected with ventilation duct, be fixed on slow drop dryness storehouse inwall it is slow under One end of flitch is connected with the inwall of slow drop dryness storehouse, is blown with the air-out aperture of the wind of sharp ventilation duct from the slow blanking plate Go out;Multiple apertures are offered on each described slow blanking plate 61(It is not shown)(The aperture is less than paddy size, and such paddy is not It can be dropped from aperture, aperture only allows wind to pass through);First slow blanking plate in the multiple slow blanking plate 61 The lower section of feeding port 23 in splicing storehouse 22 is fixed in end, and afterbody is located above the end of second slow blanking plate;Described The end of two slow blanking plates is fixed on the slow drop inwall of dryness storehouse 2, and afterbody is located on the end of the 3rd slow blanking plate Side;The end of described 3rd slow blanking plate is fixed on the outer wall of ajutage 24, and afterbody is located at the 4th slow blanking plate Above end;The like remaining slow blanking plate is set;So paddy can drop into second from first slow blanking plate Individual slow blanking plate, drops into the 3rd slow blanking plate, by that analogy, so that hot blast is to each from second slow blanking plate Operation is dried in paddy on slow blanking plate;In addition, continuing with referring to Fig. 2, the present embodiment in the side of ajutage 24 two A Cyclonic escape pipe 41 is provided between adjacent slow blanking plate, the Cyclonic escape pipe is through bearing 42 and the ajutage Going out gas branch pipe 43 connect;Magnetic valve 74 is provided with the going out gas branch pipe;The surface of the Cyclonic escape pipe 41 is offered Spiral venthole 44, with sharp Cyclonic escape pipe in outlet, because the thrust of gas carries out spinning;So, can not only Ensure that hot gas diffusion is uniform, and rotary blowing can blow the paddy on slow blanking plate, further improve drying effect;
The implementation method follows the steps below operation:
Step S1, the feed hopper 32 that paddy is poured into the first screw conveyor 3, and blower fan 51, heating wire 52 are opened, now first allow Hot blast is full of in slow drop dryness storehouse 2, the screw conveyor 3 of electromagnetic shaker 62 and first on each slow blanking plate 61 is then turned on;
Paddy is sent on splicing storehouse 22 by step S2, the first screw conveyor 3 from the top discharge mouthful of the first screw conveyor 3, Now the paddy in splicing storehouse 22 drops into two from the feeding port 23 of the left and right sides of splicing storehouse 22 and slow come down to a lower group on part 6;
Step S3, each slow blanking plate 61 of slow part 6 of coming down to a lower group are both provided with electromagnetic shaker 62, then paddy is from first slow blanking The end of plate is slowly slipped to the end of second slow blanking plate, is slowly slipped to again from the end of second slow blanking plate The end of 3rd slow blanking plate, by that analogy, now hot blast is flowed into from guide duct 53 by the exhaust vent 241 of ajutage 24 Onto the aperture of each slow blanking plate, so that the paddy on slow blanking plate be dried;
Step S4, the control globe valve and magnetic valve are opened and closed once at predetermined time intervals, to agitate the heat in slow drop dryness storehouse Wind;The scheduled time can be 3 ~ 5S;
Postpone come down to a lower group last slow blanking plate of part 6 of step S5, paddy is dropped into after infundibulate discharging bin 21, stops first Screw conveyor 3, opens outlet valve, is then turned on the second screw conveyor 4, now dried paddy is unloaded from outlet valve 31 Material operation.
The implementation method further comprises that the drying paddy that step S5, charge and discharge come out carries out checking whether paddy is abundant Dry, be then to continue discharging operations, it is no, then outlet valve is immediately closed, the first screw conveyor 3 is opened, now paddy passes through the Two screw conveyors 4 and the first screw conveyor 3 are again fed on splicing storehouse 22, then carry out repeat step S2, step S3, step Rapid S4 and step S5 operation, carries out secondary drying.
The afterbody of each slow blanking plate 61 and horizontal plane one angle A of formation;The multiple slow blanking plate 61 Between formation the stepped distribution of word.Angle is smaller, and the speed that paddy slides is slower, and operation so can be preferably dried.
In the present invention, the side wall of the first screw conveyor 3 is offered is provided with a charging in an opening, the opening Bucket 32.Poured into when i.e. paddy is poured into for the first time from feed hopper 32.Can also be direct from splicing storehouse 22 in practical application Pour into.
Further, the angle A is 30 ~ 60 degree.Wherein 30 degree of best results, it is slow that paddy slides, and dries It is more abundant.
In addition, the air exhauster in the air-out chimney, which starts, is divided into both of which:The first pattern is:Paddy is in slow drop drying When in storehouse dry for the first time, air exhauster is opened;So exhausting function will compare moist hot blast in slow drop dryness storehouse Quickly taken away, what is left in so slow drop dryness storehouse is exactly dry hot blast;Second of pattern be:Paddy is in slow drop drying When carrying out second or dry above for the second time in storehouse, air exhauster is closed;Paddy is not when drying due to second Can be very moist, what is now retained in slow drop dryness storehouse is dry hot blast, closes air exhauster so that paddy can be in the case where each be slow Blanking at leisure on flitch, so as to carry out fully drying paddy.
Air exhauster carries out the operation in two stages again in the first described pattern:First stage is:Paddy has just enter into slow When dropping dryness storehouse, air exhauster is opened, such exhausting function is quickly taken relatively moister hot blast away, second stage It is:Paddy is when dropping into the middle of slow drop dryness storehouse, and the moist hot blast now delayed in drop dryness storehouse there's almost no, Turn off air exhauster, such paddy can the blanking at leisure on each slow blanking plate, so as to carry out fully drying paddy.
Wherein, the paddy is in slow drop dryness storehouse drying process, and the hot blast in slow drop dryness storehouse is discharged from air-out chimney 25. The blower fan 51 sends into hot blast in constantly drying 2 toward slow drop dryness storehouse, then infundibulate discharging bin 21 is interior there is also hot blast, paddy from When last slow blanking plate drops into infundibulate discharging bin, the hot blast in infundibulate discharging bin 21 plays dry work to paddy With.
In addition, in the method for the present invention, after paddy discharging is finished in the step S5, closing blower fan, heating wire, electromagnetic shaker And second screw conveyor.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with Modification, should all belong to the covering scope of the present invention.

Claims (8)

1. a kind of paddy delays the implementation method of drop formula hot-air drying device, it is characterised in that:Methods described need to provide a paddy and delay Drop formula hot-air drying device, the paddy, which delays drop formula hot-air drying device, includes a support frame, and support frame as described above restocking is provided with slow Dryness storehouse and the first screw conveyor drop, and slow the drop dryness storehouse and the first screw conveyor are arranged side by side, first auger Conveyer is vertically arranged, and the slow drop dryness storehouse bottom is connected with an infundibulate discharging bin, the infundibulate discharging bin bottom transverse To one second screw conveyor is provided with, second screw conveyor connects with first screw conveyor, and described One screw conveyor bottom is provided with an outlet valve, and outlet valve is located at below the lower discharge port of the first screw conveyor;It is described It is provided with by support frame on a support, the support and is fixed with blower fan and heating wire successively, is horizontally arranged with the heating wire One guide duct;The upper end of the slow drop dryness storehouse is provided with a splicing storehouse, and splicing position in storehouse is dropped in dryness storehouse in slow, the slow drop The inwall of dryness storehouse and infundibulate discharging bin is hollow structure, the two connection, and inwall offers exhaust vent;First auger The top discharge mouthful of conveyer is located above the splicing storehouse;The bin bottom left and right sides that connects offers feeding port, described Connect bin bottom and be provided with downward vertically on an ajutage, the perisporium of the ajutage and be evenly distributed with multiple exhaust vents;Institute State the conduit that the top of ajutage extends through both sides and be connected to slow drop dryness storehouse, the inwall of the conduit and the slow drop dryness storehouse Connection, is sprayed with the wind of sharp ajutage through conduit by the inwall of the inwall and infundibulate discharging bin;The tail of the guide duct Portion is mutually connected with the ajutage;Multiple air-out chimney are provided with the top of the slow drop dryness storehouse;It is right in the slow drop dryness storehouse Title is provided with two slow parts of coming down to a lower group, and two slow parts of coming down to a lower group are respectively positioned at the feeding port lower section of the splicing storehouse left and right sides;The slow drop Component enables the paddy in splicing storehouse to be slowly sent on infundibulate discharging bin;The slow part of coming down to a lower group include it is multiple it is slow under Flitch, and the bottom of each slow blanking plate is provided with an electromagnetic shaker;Offered on each described slow blanking plate it is multiple go out Wind aperture;Each described slow blanking plate is hollow structure, wherein being fixed on one end of the slow blanking plate of ventilation duct side with leading to Airduct is connected, and the one end for being fixed on the slow blanking plate of slow drop dryness storehouse inwall is connected with the inwall of slow drop dryness storehouse, logical with profit The wind of airduct is blown out from the air-out aperture of the slow blanking plate;First slow blanking in the multiple slow blanking plate The end of plate is fixed on below the feeding port in splicing storehouse, and afterbody is located above the end of second slow blanking plate;Described The end of two slow blanking plates is fixed on slow drop dryness storehouse inwall, and afterbody is located on the end of the 3rd slow blanking plate Side;The end of described 3rd slow blanking plate is fixed in air-supply pipe outer wall, and afterbody is located at the end of the 4th slow blanking plate Above portion;The like remaining slow blanking plate is set;One jiao of the afterbody of each slow blanking plate and horizontal plane formation Degree;The stepped distribution of the word of formation between the multiple slow blanking plate;The two adjacent slow blanking plates in ajutage side Between be provided with a Cyclonic escape pipe, the Cyclonic escape pipe is connected through bearing with the going out gas branch pipe of the ajutage;Institute State and magnetic valve is provided with going out gas branch pipe;The surface of the Cyclonic escape pipe offers spiral venthole, with sharp Cyclonic Escape pipe is in outlet, because the thrust of gas carries out spinning;The both sides of the conduit of the both sides extension are each provided with a ball Shape magnetic valve, the gas circuit for opening and closing slow drop dryness storehouse and infundibulate discharging bin inwall;
The implementation method follows the steps below operation:
Step S1, the feed hopper that paddy is poured into the first screw conveyor, and open blower fan, ball electromagnetic valve, magnetic valve, electric heating Silk, now first allows slow drop dryness storehouse is interior to be full of hot blast, the electromagnetic shaker being then turned on each slow blanking plate and the conveying of the first auger Machine;
Paddy is sent on splicing storehouse by step S2, the first screw conveyor from the top discharge mouthful of the first screw conveyor, now Paddy in splicing storehouse drops into two from the feeding port of the splicing storehouse left and right sides and slow come down to a lower group on part;
Step S3, each slow blanking plate of slow part of coming down to a lower group are both provided with electromagnetic shaker, then paddy is from first slow blanking plate End is slowly slipped to the end of second slow blanking plate, and the 3rd is slowly slipped to again from the end of second slow blanking plate The end of individual slow blanking plate, by that analogy;
Step S4, the control globe valve and magnetic valve are opened and closed once at predetermined time intervals, to agitate the heat in slow drop dryness storehouse Wind;
Postpone come down to a lower group last slow blanking plate of part of step S5, paddy is dropped into after infundibulate discharging bin, is stopped first and is twisted Imperial conveyer, opens outlet valve, is then turned on the second screw conveyor, and now dried paddy carries out discharging behaviour from outlet valve Make.
2. a kind of paddy according to claim 1 delays the implementation method of drop formula hot-air drying device, it is characterised in that:It is described Implementation method further comprises that the drying paddy that step S5, charge and discharge come out carries out checking whether paddy is fully dried, and is, then after Continuous discharging operations, it is no, then outlet valve is immediately closed, the first screw conveyor is opened, now paddy passes through the second screw conveyor It is again fed to the first screw conveyor on splicing storehouse, then carries out repeat step S2, step S3, step S4 and step S5 Operation, carries out secondary drying.
3. a kind of paddy according to claim 1 delays the implementation method of drop formula hot-air drying device, it is characterised in that:It is described Angle is 30 ~ 60 degree.
4. a kind of paddy according to claim 1 delays the implementation method of drop formula hot-air drying device, it is characterised in that:It is described Paddy is in slow drop dryness storehouse drying process, and the hot blast delayed in drop dryness storehouse is discharged from air-out chimney.
5. a kind of paddy according to claim 1 delays the implementation method of drop formula hot-air drying device, it is characterised in that:It is described Blower fan sends into hot blast in constantly being dried toward slow drop dryness storehouse, then infundibulate discharging bin is interior there is also hot blast, paddy from last When slow blanking plate drops into infundibulate discharging bin, the hot blast in infundibulate discharging bin plays desiccation to paddy.
6. a kind of paddy according to claim 1 delays the implementation method of drop formula hot-air drying device, it is characterised in that:It is described After paddy discharging is finished in step S5, blower fan, heating wire, electromagnetic shaker and the second screw conveyor are closed.
7. a kind of paddy according to claim 2 delays the implementation method of drop formula hot-air drying device, it is characterised in that:It is described Air exhauster in air-out chimney, which starts, is divided into both of which:The first pattern is:Paddy carries out dry for the first time in slow drop dryness storehouse When dry, air exhauster is opened;So exhausting function is quickly taken hot blast relatively moister in slow drop dryness storehouse away, so What is left in slow drop dryness storehouse is exactly dry hot blast;Second of pattern be:Paddy carried out second in slow drop dryness storehouse or When person dries more than for the second time, air exhauster is closed;Paddy will not be very moist when drying due to second, now delays drop What is retained in dryness storehouse is dry hot blast, close air exhauster so that paddy can the blanking at leisure on each slow blanking plate, So as to carry out fully drying paddy.
8. a kind of paddy according to claim 7 delays the implementation method of drop formula hot-air drying device, it is characterised in that:It is described Air exhauster carries out the operation in two stages again in the first pattern:First stage is:Paddy have just enter into it is slow drop dryness storehouse when Wait, open air exhauster, second stage is:Paddy closes air exhauster when dropping into the middle of slow drop dryness storehouse.
CN201710609092.7A 2017-07-25 2017-07-25 A kind of paddy delays the implementation method of drop formula hot-air drying device Withdrawn CN107238271A (en)

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