CN114659343A - Multifunctional bidirectional dryer - Google Patents

Multifunctional bidirectional dryer Download PDF

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Publication number
CN114659343A
CN114659343A CN202210344959.1A CN202210344959A CN114659343A CN 114659343 A CN114659343 A CN 114659343A CN 202210344959 A CN202210344959 A CN 202210344959A CN 114659343 A CN114659343 A CN 114659343A
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China
Prior art keywords
air
channel
air inlet
passage
communicated
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Granted
Application number
CN202210344959.1A
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Chinese (zh)
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CN114659343B (en
Inventor
余天杰
张素娥
朱广飞
余佳阳
江津法
余继琅
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Zhejiang Zhongke Zhixing Machinery Manufacturing Co ltd
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Taizhou Yiming Machinery Co ltd
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Priority to CN202210344959.1A priority Critical patent/CN114659343B/en
Publication of CN114659343A publication Critical patent/CN114659343A/en
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Publication of CN114659343B publication Critical patent/CN114659343B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F26B9/063—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers for drying granular material in bulk, e.g. grain bins or silos with false floor
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B9/00—Preservation of edible seeds, e.g. cereals
    • A23B9/08—Drying; Subsequent reconstitution
    • 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
    • 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
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001—Handling, e.g. loading or unloading arrangements
    • F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85—Food storage or conservation, e.g. cooling or drying

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

Abstract

The invention belongs to the technical field of grain dryers, in particular to a multifunctional bidirectional dryer, which comprises a shell with a drying chamber, wherein an upper net partition plate and a lower net partition plate are arranged in the drying chamber, an upper air inlet and outlet cavity and a lower air inlet and outlet cavity are respectively formed between the upper net partition plate and the drying chamber, a four-way reversing air passage with four air passages is arranged on the shell, the four air passages are respectively an upper air passage, a lower air passage, an air inlet passage and an air outlet passage, the upper air passage is communicated with the upper air inlet and outlet cavity, the lower air passage is communicated with the lower air inlet and outlet cavity, a circulating fan and a heat source device are connected in series between the air inlet passage and the air outlet passage, and a valve component is arranged in the four-way reversing air passage. According to the invention, the communication among the four air passages in the four-way reversing air passage is changed by virtue of the valve assembly, so that hot air can flow to the grain storage space from top to bottom and can also flow to the grain storage space from bottom to top, thereby realizing the change of the flow direction of the hot air for drying grains, and keeping the moisture in the grains and the relative humidity in the surrounding air uniform.

Description

Multifunctional bidirectional dryer
The technical field is as follows:
the invention belongs to the technical field of grain dryers, and particularly relates to a multifunctional bidirectional dryer.
Background art:
grain dryers are important devices for drying grain, most of which use a hot air stream to reduce the moisture content of the grain particles and the relative humidity of the air surrounding the grain to prevent the grain heap from becoming wet and spoiled.
However, since the flowing direction of the hot air flow in the conventional grain dryer is always kept unchanged, the grain stack is heated unevenly, i.e., the water content in the grain stack and the relative humidity of the air around the grains cannot be kept uniform.
The invention content is as follows:
the invention aims to provide a multifunctional bidirectional dryer which can change the flow direction of hot air flow for drying grains, so that the moisture in the grains and the relative humidity in the surrounding air are kept uniform.
The invention is realized by the following steps:
a multifunctional bidirectional dryer comprises a shell with a drying chamber, an upper net clapboard and a lower net clapboard are arranged in the drying chamber in a vertically separated manner, a grain storage space for storing grains is formed between the upper net clapboard and the lower net clapboard, an upper air inlet and outlet cavity and a lower air inlet and outlet cavity are respectively formed between the upper net clapboard and the lower net clapboard and the drying chamber, a four-way reversing air passage with four air passages is arranged on the shell, and the four air passages of the four-way reversing air passage are respectively an upper air passage, a lower air passage, an air inlet passage and an air outlet passage, the outer end of the upper air passage is communicated with an upper air outlet cavity, the outer end of the lower air passage is communicated with a lower air inlet and outlet cavity, a circulating fan and a heat source device are connected in series between the outer ends of the air inlet passage and the air outlet passage through pipelines, a valve component is arranged in the four-way reversing air passage, when the valve component is in the first state, the upper air passage is communicated with the air inlet passage, and the lower air passage is communicated with the air outlet passage; when the valve component is in the second state, the upper air passage is communicated with the air outlet passage, and the lower air passage is communicated with the air inlet passage.
In the multifunctional bidirectional dryer, the air inlet end of the circulating fan is communicated with the air outlet channel, the air outlet end of the circulating fan is communicated with the air inlet end of the heat source device, and the air outlet end of the heat source device is communicated with the air inlet channel;
or the air inlet end of the heat source device is communicated with the air outlet channel, the air outlet end of the heat source device is communicated with the air inlet end of the circulating fan, and the air outlet end of the circulating fan is communicated with the air inlet channel.
In the above multifunctional two-way dryer, the valve assembly comprises a reversing channel arranged in the four-way reversing air channel, the inner of upper airway, lower airway, intake duct and gas outlet channel all communicates with the switching-over passageway, transversely be equipped with the switching-over baffle in the switching-over passageway, and this switching-over baffle is divided into upper switching-over subchannel and lower switching-over subchannel from top to bottom to the switching-over passageway, the inner and the last switching-over subchannel intercommunication of upper airway and gas outlet channel, the inner and the lower switching-over subchannel intercommunication of lower airway, the inner of intake duct and gas outlet channel is located the left and right sides of switching-over passageway respectively, and all communicate with upper switching-over subchannel, lower switching-over subchannel intercommunication, the inner port department radial sliding connection of intake duct has the valve plate of admitting air that can obstruct intake duct and upper switching-over subchannel or lower switching-over subchannel intercommunication, the inner port department radial sliding connection of gas outlet channel has the valve plate of giving vent to anger that can obstruct gas outlet channel and upper switching-over subchannel or lower switching-over subchannel and be connected.
In the above-mentioned multifunctional two-way dryer, the casing is connected with the drive pendulum rod in a rotating manner, the two ends of the drive pendulum rod are both provided with the strip-shaped slide holes along the axial direction thereof, the air inlet valve plate or the air outlet valve plate is connected with the strip-shaped slide hole at one end of the drive pendulum rod in a sliding manner through the transmission connecting rod, the air outlet valve plate or the air inlet valve plate is connected with one end of the push rod motor I, and the other end of the push rod motor I is connected with the strip-shaped slide hole at the other end of the drive pendulum rod in a sliding manner.
In foretell two-way drying-machine, the top surface of drying chamber hinges on the casing including one of them side, the opposite side is the grain board that advances of free end, go up the net baffle with advance the grain board with the side articulate on the casing, one side is the free end in addition, be equipped with in the casing around the first electric block that has the rope, the rope outer end of first electric block is connected with the free end transmission of advancing the grain board to its run through into the grain board and be connected with the free end transmission of going up the net baffle, is advanced the grain board and is rotated with the net baffle is synchronous through the rope drive by first electric block.
In the above multifunctional bidirectional dryer, one of the side walls of the lower inlet and outlet air cavity includes a grain discharging plate with a bottom edge hinged to the casing and a free end at the top, the side edge of the lower net baffle plate far away from the grain discharging plate is hinged to the casing, one side of the lower net baffle plate close to the grain discharging plate is a free end, and the lower net baffle plate is in transmission connection with the power device and is driven by the power device to rotate.
In foretell two-way drying-machine of multi-functional, power device is around the second electric block that has the rope including setting up on the casing and in the pivot, and the rope outer end of second electric block is connected with the free end transmission of lower net baffle, can dismantle through coupling assembling and be connected between the free end of play grain board and the casing.
In foretell two-way drying-machine, power device hinges the drive push rod on the casing including being located net baffle below and bottom down, and drive push rod's top is supported and roll connection is on net baffle's free end bottom surface down through the gyro wheel, it is articulated with the one end of gangbar to go out the interior terminal surface of grain board, and the other end of gangbar articulates on drive push rod, is equipped with flexible power supply on the casing, and flexible end of flexible power supply passes through the connecting rod and is connected with the drive push rod transmission, passes through the rotation of connecting rod drive push rod by flexible power supply, and then drives out the rotation of grain board rotation inside and outside and net baffle tilting down.
In the above multifunctional bidirectional dryer, the plurality of drying chambers are arranged in the casing side by side, the upper air inlet and outlet cavities of two adjacent drying chambers are communicated with each other through the upper air inlet, the lower air inlet and outlet cavities of two adjacent drying chambers are communicated with each other through the lower air inlet, and the upper air passage and the lower air passage of the four-way reversing air passage are respectively communicated with the upper air inlet and outlet cavity and the lower air inlet and outlet cavity of one drying chamber.
In the above-mentioned multifunctional bidirectional dryer, be located be equipped with the last air pipe that runs through each last air passing mouth on the casing in the enterprising air outlet cavity, the port of last air pipe and the outer port intercommunication of last air flue are located be equipped with the lower air pipe that runs through each lower air passing mouth on the casing in the lower air outlet cavity, the port of lower air pipe and the outer port intercommunication of air flue, all seted up a plurality of vent along its axial on the lateral wall of last air pipe and lower air pipe, and vent department runs through and is provided with the aviation baffle of wind-guiding face towards last air flue or air flue direction.
Compared with the prior art, the invention has the outstanding advantages that:
1. according to the invention, the communication among the four air passages in the four-way reversing air passage is changed by virtue of the valve assembly, so that hot air can flow to the grain storage space from top to bottom and can also flow to the grain storage space from bottom to top, thereby realizing the change of the flow direction of the hot air for drying grains, and keeping the moisture in the grains and the relative humidity in the surrounding air uniform;
2. the invention is provided with a plurality of drying chambers, air flow is blown out of each drying chamber by the aid of the upper ventilating duct or the lower ventilating duct, the number of the ventilating openings in each drying chamber is the same, and each ventilating opening can discharge uniform amount of hot air flow to enter the corresponding drying chamber under the guiding action of the air guide plate penetrating through the ventilating opening, so that the whole hot air flow can be uniformly blown into each drying chamber, and grains in each drying chamber can be effectively dried by being uniformly heated.
Description of the drawings:
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a cross-sectional view of the four-way reversing gas path of the present invention;
FIG. 3 is a sectional view of a drying chamber according to the present invention;
FIG. 4 is a perspective view of the upper vent duct of the present invention;
fig. 5 is a perspective view of the lower vent duct of the present invention without air deflectors.
In the figure: 1. a housing; 2. an upper net clapboard; 3. a lower net baffle plate; 4. a grain storage space; 5. an upper air inlet cavity and a lower air outlet cavity; 6. a lower air inlet and outlet cavity; 7. an upper airway; 8. a lower airway; 9. an air inlet channel; 10. an air outlet channel; 11. a circulating fan; 12. a heat source device; 13. a reversing partition plate; 14. an upper reversing branch road; 15. a lower reversing branch road; 16. a gas inlet valve plate; 17. an air outlet valve plate; 18. driving a swing rod; 19. a strip-shaped slide hole; 20. a transmission link; 21. a push rod motor I; 22. a grain feeding plate; 23. a grain discharging plate; 24. driving the push rod; 25. a roller; 26. a linkage rod; 27. a connecting rod; 28. an upper ventilation duct; 29. a lower ventilation duct; 30. a vent; 31. an air deflector; 32. a first electric hoist; 33. and a second push rod motor.
The specific implementation mode is as follows:
the invention will now be further described by way of specific examples, with reference to figures 1 to 5:
the first embodiment is as follows:
a multifunctional bidirectional dryer comprises a shell 1 with a drying chamber, wherein an upper net partition plate 2 and a lower net partition plate 3 are arranged in the drying chamber in a vertically separated mode, a grain storage space 4 for storing grains is formed between the upper net partition plate 2 and the lower net partition plate 3, an upper air inlet cavity 5 and a lower air inlet and outlet cavity 6 are formed between the upper net partition plate 2 and the lower net partition plate 3 and the drying chamber respectively, a four-way reversing air passage with four air passages is arranged on the shell 1, the four air passages of the four-way reversing air passage are an upper air passage 7, a lower air passage 8, an air inlet passage 9 and an air outlet passage 10 respectively, the outer end of the upper air passage 7 is communicated with the upper air inlet cavity 5, the outer end of the lower air passage 8 is communicated with the lower air inlet and outlet cavity 6, a circulating fan 11 and a heat source device 12 are connected in series between the outer ends of the air inlet passage 9 and the air outlet passage 10 through pipelines, a valve assembly is arranged in the four-way reversing air passage, and when the valve assembly is in a state at one moment, The upper air passage 7 is communicated with an air inlet passage 9, and the lower air passage 8 is communicated with an air outlet passage 10; when the valve component is in the second state, the upper air passage 7 is communicated with the air outlet passage 10, and the lower air passage 8 is communicated with the air inlet passage 9. Wherein the heat energy device can adopt a common boiler or a burner.
Furthermore, in this embodiment, the air inlet end of the heat source device 12 is communicated with the air outlet channel 10, the air outlet end is communicated with the air inlet end of the circulating fan 11, and the air outlet end of the circulating fan 11 is communicated with the air inlet channel 9.
Namely, the heat energy generated by the heat source device 12 enters the four-way reversing air passage through the outer end of the air inlet passage 9 under the driving of the air flow of the circulating fan 11, when the valve component is in a state I, the hot air flow sequentially passes through the upper air passage 7, the upper air outlet cavity 5, the grain storage space 4, the lower air inlet and outlet cavity 6, the lower air passage 8 and the air outlet passage 10 from the air inlet passage, and finally returns to the heat energy device, so that the real hot air flow circularly flows to the grain storage space 4 from top to bottom; when the valve component is in the second state, hot air flows sequentially through the lower air flue 8, the lower air inlet and outlet chamber 6, the grain storage space 4, the upper air inlet and outlet chamber 5, the upper air flue 7 and the air outlet flue 10 from the air inlet flue, and finally returns to the heat energy device, so that the actual hot air flows to the grain storage space 4 from bottom to top in a circulating manner.
According to the invention, the communication among the four air passages in the four-way reversing air passage is changed by virtue of the valve assembly, so that hot air can flow to the grain storage space 4 from top to bottom and can also flow to the grain storage space 4 from bottom to top, the flowing direction of the hot air for drying grains is changed, and the moisture in the grains and the relative humidity in the ambient air are kept uniform.
The valve assembly can adopt a common valve body switching structure on the market, namely, a valve body is connected in the four-way reversing air passage in a sliding mode, an intermediate passage is formed in the valve body, and the two corresponding air passages can be communicated through the intermediate passage by driving the valve body to move. Of course, a common reversing plate rotating structure can be adopted, namely a reversing plate is rotationally connected in the four-way reversing air passage, and the reversing plate rotates to a certain angle to block and guide the air passage.
In the invention, the valve assembly adopts the following specific structure: the valve component comprises a reversing channel arranged in a four-way reversing air channel, the inner ends of the upper air channel 7, the lower air channel 8, the air inlet channel 9 and the air outlet channel 10 are all communicated with the reversing channel, a reversing clapboard 13 is transversely arranged in the reversing channel, the reversing channel is divided into an upper reversing branch channel 14 and a lower reversing branch channel 15 by the reversing partition plate 13, the inner ends of the upper air channel 7 and the upper reversing branch channel 14 are communicated, the inner end of the lower air channel 8 is communicated with the lower reversing branch channel 15, the inner ends of the air inlet channel 9 and the air outlet channel 10 are respectively positioned at the left side and the right side of the reversing channel and are communicated with the upper reversing branch channel 14 and the lower reversing branch channel 15, the inner end opening of the air inlet channel 9 is radially and slidably connected with an air inlet valve plate 16 capable of blocking the communication between the air inlet channel 9 and the upper reversing branch channel 14 or the lower reversing branch channel 15, and the inner end opening of the air outlet channel 10 is radially and slidably connected with an air outlet valve plate 17 capable of blocking the connection between the air outlet channel 10 and the upper reversing branch channel 14 or the lower reversing branch channel 15. Namely, when the valve component is in a first state, the air inlet valve plate 16 slides downwards to block the communication between the air inlet channel 9 and the lower reversing branch channel 15, and the air outlet valve plate 17 slides upwards to block the communication between the air outlet channel 10 and the upper reversing branch channel 14; when the valve component is in the second state, the air inlet valve plate 16 slides upwards to block the communication between the air inlet channel 9 and the upper reversing branch channel 14, and the air outlet valve plate 17 slides downwards to block the communication between the air outlet channel 10 and the lower reversing branch channel 15.
Furthermore, the air cylinder can be directly used for driving the air inlet valve plate 16 and the air outlet valve plate 17 to slide radially, in this embodiment, the housing 1 is rotatably connected with a driving swing rod 18, both ends of the driving swing rod 18 are provided with strip-shaped slide holes 19 along the axial direction thereof, the air inlet valve plate 16 or the air outlet valve plate 17 is slidably connected to the strip-shaped slide hole 19 at one end of the driving swing rod 18 through a transmission connecting rod 20, the air outlet valve plate 17 or the air inlet valve plate 16 is connected to one end of a push rod motor one 21, and the other end of the push rod motor one 21 is slidably connected to the strip-shaped slide hole 19 at the other end of the driving swing rod 18.
In order to facilitate the pouring of the grains into the grain storage space 4 formed between the upper net partition plate 2 and the lower net partition plate 3, the top surface of the drying chamber comprises a grain feeding plate 22 with one side edge hinged on the shell 1 and the other side being a free end, the same side edge of the upper net partition plate 2 and the grain feeding plate 22 is hinged on the shell 1, the other side is a free end, the shell 1 is provided with a first electric hoist 32 with a rotating shaft wound with a rope, the outer end of the rope of the first electric hoist 32 is in transmission connection with the free end of the grain feeding plate 22 and penetrates through the grain feeding plate 22 and the free end of the upper net partition plate 2, namely, the grain feeding plate 22 and the upper net partition plate 2 are driven by the first electric hoist 32 through the rope to synchronously rotate, so that the grain feeding plate 22 and the upper net partition plate 2 are simultaneously turned upwards to facilitate the pouring of the grains onto the lower net partition plate 3, and after the grains are completely poured, the grains are driven by the first electric hoist 32 through the rope to synchronously rotate with the grain feeding plate 22 and reset with the upper net partition plate 2, thereby completing the pouring operation of the grains. In addition, in order to facilitate the first electric hoist 32 to pull the grain feeding plate 22 and the upper net partition plate 2 through a rope, a first guide wheel is erected on the shell 1 through a bracket, and the rope of the first electric hoist 32 is wound on the first guide wheel.
Correspondingly, in order to take out the grains in the grain storage space 4 conveniently, in this embodiment, one of the side walls of the lower air inlet and outlet cavity 6 includes a grain outlet plate 23 with a bottom edge hinged to the housing 1 and a free end at the top, the side edge of the lower net partition plate 3 far away from the grain outlet plate 23 is hinged to the housing 1, and the side edge of the lower net partition plate 3 close to the grain outlet plate 23 is the free end, and the lower net partition plate 3 is in transmission connection with a power device, and the power device drives the lower net partition plate 3 to rotate. The grain discharging plate 23 is firstly rotated inwards or outwards to open a grain discharging channel communicated with the outside, and then the lower net clapboard 3 is driven by the power device to rotate downwards, so that grains can be discharged from the grain discharging channel along the inclined lower net clapboard 3.
And further, in order to effectively and stably drive the rotation of lower net baffle 3 and play grain board 23, power device is including being located the drive push rod 24 that net baffle 3 below and bottom articulate on casing 1 down, and the top of drive push rod 24 is passed through gyro wheel 25 and is supported and roll connection on the free end bottom surface of net baffle 3 down, the interior terminal surface of play grain board 23 is articulated with the one end of gangbar 26, and the other end of gangbar 26 articulates on drive push rod 24, is equipped with flexible power supply on casing 1, and the flexible end of flexible power supply passes through connecting rod 27 and is connected with drive push rod 24 transmission, passes through the rotation that connecting rod 27 drove drive push rod 24 by flexible power supply, and then drives out grain board 23 and rotate inside and outside and down net baffle 3 and rotate from top to bottom. In the embodiment, the second push rod motor 33 is used as the telescopic power source, but a common telescopic cylinder may be used. That is, the telescopic end of the telescopic power source is contracted inwards to drive the driving push rod 24 to rotate inwards, so that the lower net clapboard 3 can rotate downwards, and meanwhile, the grain discharging plate 23 is pulled to rotate inwards through the linkage rod 26.
In addition, in order to improve the drying efficiency of the whole machine, a plurality of drying chambers are arranged in the shell 1 side by side, the upper air inlet and outlet cavities 5 of two adjacent drying chambers and the lower air inlet and outlet cavities 6 of two adjacent drying chambers are communicated through air inlets, the upper air passage 7 and the lower air passage 8 of the four-way reversing air passage are respectively communicated with the upper air inlet and outlet cavity 5 and the lower air inlet and outlet cavity 6 of one drying chamber, namely, the grains in the plurality of drying chambers are dried by means of the same circulating fan 11 and the heat source device 12.
In addition, in order to enable hot air flow to uniformly flow into each drying chamber, an upper ventilation pipeline 28 penetrating through each upper air passing port is arranged on the shell 1 positioned in the upper air inlet and outlet cavity 5, the port of the upper ventilation pipeline 28 is communicated with the outer port of the upper air flue 7, a lower ventilation pipeline 29 penetrating through each lower air passing port is arranged on the shell 1 positioned in the lower air inlet and outlet cavity 6, the port of the lower ventilation pipeline 29 is communicated with the outer port of the lower air flue 8, a plurality of ventilation openings 30 are respectively arranged on the side walls of the upper ventilation pipeline 28 and the lower ventilation pipeline 29 along the axial direction of the upper ventilation pipeline and the lower ventilation pipeline 29, and an air deflector 31 with an air guide surface facing the direction of the upper air flue 7 or the lower air flue 8 penetrates through the ventilation openings 30. The arrangement quantity of the ventilation openings 30 in each drying chamber is the same, and under the guiding action of the air guide plates 31 penetrating through the ventilation openings 30, each ventilation opening 30 can discharge hot air flow with equal quantity to enter the corresponding drying chamber, so that the whole hot air flow can be uniformly blown into each drying chamber, and grains in each drying chamber can be effectively dried by being uniformly heated.
Example two:
the structure of the present embodiment is substantially the same as that of the above embodiment, and the main difference is: the air inlet end of the circulating fan 11 is communicated with the air outlet channel 10, the air outlet end of the circulating fan is communicated with the air inlet end of the heat source device 12, and the air outlet end of the heat source device 12 is communicated with the air inlet channel 9; namely, the arrangement positions of the circulation fan 11 and the heat source device 12 are changed, so that the circulation fan 11 can effectively supply air to the heat source device 12.
In the present embodiment, the power unit has another structure: the power device comprises a second electric hoist which is arranged on the shell 1 and is wound with a rope on a rotating shaft, the outer end of the rope of the second electric hoist is in transmission connection with the free end of the lower net partition plate 3, namely, the second electric hoist is used for driving the lower net partition plate 3 to rotate, meanwhile, a second guide wheel is erected on the shell 1 through a bracket, and the rope of the second electric hoist is wound on the second guide wheel so that the second electric hoist can drive the lower net partition plate 3 to rotate; meanwhile, in the embodiment, the free end of the grain discharging plate 23 is detachably connected with the shell 1 through a connecting assembly. The connecting component can be a common buckle or a lock catch, and the grain discharging plate 23 is opened by manual operation so as to perform grain discharging operation.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. The utility model provides a multi-functional two-way drying-machine which characterized in that: comprises a shell (1) with a drying chamber, an upper net clapboard (2) and a lower net clapboard (3) are arranged in the drying chamber in a vertically separated manner, a grain storage space (4) for storing grains is formed between the upper net clapboard (2) and the lower net clapboard (3), an upper air inlet cavity (5) and a lower air inlet cavity (6) are respectively formed between the upper net clapboard (2) and the lower net clapboard (3) and the drying chamber, a four-way reversing air passage with four air passages is arranged on the shell (1), the four air passages of the four-way reversing air passage are respectively an upper air passage (7), a lower air passage (8), an air inlet passage (9) and an air outlet passage (10), the outer end of the upper air passage (7) is communicated with the upper air inlet cavity (5), the outer end of the lower air passage (8) is communicated with the lower air inlet cavity (6), a circulating fan (11) and a heat source device (12) are connected in series between the air inlet passage (9) and the air outlet passage (10), a valve component is arranged in the four-way reversing air passage, when the valve component is in a first state, the upper air passage (7) is communicated with the air inlet passage (9), and the lower air passage (8) is communicated with the air outlet passage (10); when the valve component is in the second state, the upper air passage (7) is communicated with the air outlet passage (10), and the lower air passage (8) is communicated with the air inlet passage (9).
2. The multifunctional bidirectional dryer as claimed in claim 1, wherein: the air inlet end of the circulating fan (11) is communicated with the air outlet channel (10), the air outlet end of the circulating fan is communicated with the air inlet end of the heat source device (12), and the air outlet end of the heat source device (12) is communicated with the air inlet channel (9);
or the air inlet end of the heat source device (12) is communicated with the air outlet channel (10), the air outlet end of the heat source device is communicated with the air inlet end of the circulating fan (11), and the air outlet end of the circulating fan (11) is communicated with the air inlet channel (9).
3. The multifunctional bidirectional dryer as claimed in claim 1, wherein: the valve component comprises a reversing channel arranged in a four-way reversing air channel, the inner ends of an upper air channel (7), a lower air channel (8), an air inlet channel (9) and an air outlet channel (10) are communicated with the reversing channel, a reversing partition plate (13) is transversely arranged in the reversing channel, the reversing partition plate (13) divides the reversing channel into an upper reversing branch channel (14) and a lower reversing branch channel (15), the inner ends of the upper air channel (7) and the lower air channel are communicated with the upper reversing branch channel (14), the inner ends of the lower air channel (8) are communicated with the lower reversing branch channel (15), the inner ends of the air inlet channel (9) and the air outlet channel (10) are respectively positioned at the left side and the right side of the reversing channel and are communicated with the upper reversing branch channel (14) and the lower reversing branch channel (15), the inner end port of the air inlet channel (9) is radially and slidably connected with an air inlet valve plate (16) capable of blocking the communication of the air inlet channel (9) and the upper reversing branch channel (14) or the lower reversing branch channel (15), an air outlet valve plate (17) capable of blocking the connection of the air outlet channel (10) and the upper reversing branch channel (14) or the lower reversing branch channel (15) is connected with the inner end port of the air outlet channel (10) in a radial sliding manner.
4. The multifunctional bidirectional dryer as claimed in claim 3, wherein: the improved air valve is characterized in that a driving swing rod (18) is rotatably connected to the shell (1), strip-shaped sliding holes (19) are formed in the two end portions of the driving swing rod (18) in the axial direction of the driving swing rod, an air inlet valve plate (16) or an air outlet valve plate (17) is connected to the strip-shaped sliding holes (19) in one end of the driving swing rod (18) in a sliding mode through a transmission connecting rod (20), the air outlet valve plate (17) or the air inlet valve plate (16) is connected to one end of a push rod motor I (21), and the other end of the push rod motor I (21) is connected to the strip-shaped sliding holes (19) in the other end of the driving swing rod (18) in a sliding mode.
5. The multifunctional bidirectional dryer as claimed in claim 1, wherein: the top surface of drying chamber articulates on casing (1), the opposite side is into grain board (22) of advancing of free end including one of them side, go up net baffle (2) and advance grain board (22) articulate on casing (1) with one side, one side is the free end in addition, be equipped with in casing (1) around first electric block (32) that have the rope in the pivot, the rope outer end of first electric block (32) is connected with the free end transmission of advancing grain board (22) to it runs through into grain board (22) and is connected with the free end transmission of going up net baffle (2), drive into grain board (22) and go up net baffle (2) synchronous revolution through the rope by first electric block (32).
6. The multifunctional bidirectional dryer as claimed in claim 1, wherein: one side wall of the lower air inlet and outlet cavity (6) comprises a grain outlet plate (23) with a bottom edge hinged to the shell (1) and a free end at the top, the side edge of the lower net partition plate (3) far away from the grain outlet plate (23) is hinged to the shell (1), one side of the lower net partition plate close to the grain outlet plate (23) is the free end, the lower net partition plate (3) is in transmission connection with a power device, and the lower net partition plate (3) is driven by the power device to rotate.
7. The multifunctional bidirectional dryer as claimed in claim 6, wherein: the power device comprises a second electric hoist which is arranged on the shell (1) and wound with a rope in a rotating shaft, the outer end of the rope of the second electric hoist is in transmission connection with the free end of the lower net partition plate (3), and the free end of the grain discharging plate (23) is detachably connected with the shell (1) through a connecting assembly.
8. The multifunctional bidirectional dryer as claimed in claim 6, wherein: the utility model discloses a grain plate, including the drive push rod (24) that lie in net baffle (3) below and bottom and articulate on casing (1) down, the top of drive push rod (24) is passed through gyro wheel (25) and is supported and roll connection on the free end bottom surface of net baffle (3) down, the interior terminal surface of play grain plate (23) is articulated with the one end of gangbar (26), and the other end of gangbar (26) articulates on drive push rod (24), is equipped with flexible power supply on casing (1), and the flexible end of flexible power supply passes through connecting rod (27) and is connected with drive push rod (24) transmission, passes through the rotation that connecting rod (27) drove drive push rod (24) by flexible power supply, and then drives grain plate (23) and rotate inside and outside and rotate and net baffle (3) from top to bottom down.
9. The multifunctional bidirectional dryer as claimed in claim 1, wherein: the air-conditioning drying device is characterized in that a plurality of drying chambers are arranged in the shell (1) side by side, the upper air inlet and outlet cavities (5) of two adjacent drying chambers are communicated through an upper air passing port, the lower air inlet and outlet cavities (6) of the two adjacent drying chambers are communicated through a lower air passing port, and the upper air passage (7) and the lower air passage (8) of the four-way reversing air passage are respectively communicated with the upper air inlet and outlet cavity (5) and the lower air inlet and outlet cavity (6) of one drying chamber.
10. The multifunctional bidirectional dryer as claimed in claim 9, wherein: be located be equipped with on casing (1) in last air cavity (5) and run through last air pipe (28) of air passing mouth on each, the port of going up air pipe (28) and the outer port intercommunication of last air flue (7), be located be equipped with lower air pipe (29) that run through every air passing mouth on casing (1) in business turn over air cavity (6) down, the port of lower air pipe (29) and the outer port intercommunication of air flue (8) down all seted up a plurality of vent (30) along its axial on the lateral wall of going up air pipe (28) and lower air pipe (29), and vent (30) department runs through and is provided with aviation baffle (31) that wind-guiding face is towards air flue (7) or air flue (8) direction.
CN202210344959.1A 2022-03-31 2022-03-31 Multifunctional bidirectional dryer Active CN114659343B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU60691U1 (en) * 2006-04-17 2007-01-27 Общество с ограниченной ответственностью "Научно-производственное объединение "ВЫМПЕЛ" GRAIN DRYER
CN203731804U (en) * 2014-02-19 2014-07-23 农业部南京农业机械化研究所 Ventilating dryer capable of recycling waste heat
CN107830696A (en) * 2017-11-29 2018-03-23 农业部南京农业机械化研究所 A kind of modularization air direction reversals drying machine
CN214095215U (en) * 2020-11-13 2021-08-31 四川奥凯川龙农产品干燥设备制造有限公司 Airflow four-way reversing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU60691U1 (en) * 2006-04-17 2007-01-27 Общество с ограниченной ответственностью "Научно-производственное объединение "ВЫМПЕЛ" GRAIN DRYER
CN203731804U (en) * 2014-02-19 2014-07-23 农业部南京农业机械化研究所 Ventilating dryer capable of recycling waste heat
CN107830696A (en) * 2017-11-29 2018-03-23 农业部南京农业机械化研究所 A kind of modularization air direction reversals drying machine
CN214095215U (en) * 2020-11-13 2021-08-31 四川奥凯川龙农产品干燥设备制造有限公司 Airflow four-way reversing device

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