CN110736329B - Continuous grain drier - Google Patents
Continuous grain drier Download PDFInfo
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- CN110736329B CN110736329B CN201911119205.0A CN201911119205A CN110736329B CN 110736329 B CN110736329 B CN 110736329B CN 201911119205 A CN201911119205 A CN 201911119205A CN 110736329 B CN110736329 B CN 110736329B
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- 238000001035 drying Methods 0.000 claims abstract description 100
- 238000007599 discharging Methods 0.000 claims abstract description 91
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 238000003860 storage Methods 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 235000013339 cereals Nutrition 0.000 abstract description 76
- 238000009825 accumulation Methods 0.000 abstract description 7
- 239000010902 straw Substances 0.000 abstract description 5
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 4
- 241000209140 Triticum Species 0.000 abstract description 4
- 235000021307 Triticum Nutrition 0.000 abstract description 4
- 240000008042 Zea mays Species 0.000 abstract description 4
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract description 4
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract description 4
- 235000005822 corn Nutrition 0.000 abstract description 4
- 238000010981 drying operation Methods 0.000 abstract description 4
- 235000009566 rice Nutrition 0.000 abstract description 4
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 238000009423 ventilation Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000035784 germination Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004297 night vision Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- F26B17/12—Machines 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
- F26B17/122—Machines 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
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- 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
- F26B21/004—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
- 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
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/02—Biomass, e.g. waste vegetative matter, straw
Landscapes
- 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 provides a continuous grain drier, which relates to the technical field of grain drying equipment, and comprises a base and a drier body connected with the base, wherein the drier body comprises a storage mechanism, a drying mechanism, a cooling mechanism and a discharging mechanism which are sequentially connected from top to bottom, the discharging mechanism comprises a discharging body and a driving structure, the discharging body is connected with the base, the discharging body comprises a base, a guide structure and a discharging structure are arranged on the base, the discharging structure is arranged at the lower part of the guide structure, and the discharging structure is connected with the driving structure. Compared with the prior art, the continuous grain dryer has the advantages of high productivity, good drying uniformity, capability of preventing the accumulation of straws in grains, capability of solving the problem of unsmooth flow of the grains in the dryer, reliable work and strong adaptability, and can meet the drying operation of various crops such as corn, rice, wheat and the like.
Description
Technical Field
The invention relates to the technical field of grain drying equipment, in particular to a continuous grain dryer.
Background
In recent years, with the progress of agricultural technology, the yield of grains in China is improved year by year, the storage of grains is more and more important, and the grains after harvest are subjected to dehumidification drying treatment before being stored, so as to reduce the moisture in the grains and the moisture content in the grains. On one hand, the energy consumption caused by the self respiration of the grains can be reduced, and on the other hand, the sprouting and the mildew of the grains caused by the excessive moisture content are avoided.
In the prior art, a large-scale grain dryer is mainly adopted for drying grains, and has the advantages of short dehydration time and high drying treatment efficiency, so that the quality of grain storage is effectively ensured, the probability of grain mildew and germination is reduced, the grain dryer plays a vital role in ensuring the grain safety, the development of the grain dryer is rapid in recent years, the development of the grain dryer is popular with vast users, but the traditional grain dryer has poor drying uniformity, low productivity, unsmooth discharge and easy accumulation, and scorched grains are formed, and the drying quality is affected.
Disclosure of Invention
The invention solves the problems of at least one aspect of poor drying uniformity, low productivity and unsmooth discharging of the traditional grain dryer.
In order to solve the problems, the invention provides a continuous grain dryer which comprises a base and a dryer body connected with the base, wherein the dryer body comprises a storage mechanism, a drying mechanism, a cooling mechanism and a discharging mechanism which are sequentially connected from top to bottom, the discharging mechanism comprises a discharging body connected with the base and a driving structure, the discharging body comprises a base, a guide structure and a discharging structure are arranged on the base, the discharging structure is arranged at the lower part of the guide structure, and the discharging structure is connected with the driving structure.
Optionally, the discharging structure comprises a first discharging structure and a second discharging structure which are symmetrically arranged along the central line of the base, and the first discharging structure and the second discharging structure have the same structure.
Optionally, the discharging structure further comprises a reversing structure, the reversing structure is respectively connected with the first discharging structure and the second discharging structure in a chain transmission manner, and the reversing structure is connected with the driving structure in a belt transmission manner.
Optionally, the first discharging structure comprises a first discharging roller and a second discharging roller which are connected with each other, and the first discharging roller and the second discharging roller are sequentially arranged in a direction away from the center line of the base.
Optionally, the guiding structure comprises a first guiding structure and a second guiding structure which are identical in structure, and the first guiding structure and the second guiding structure are connected with each other and symmetrically arranged along the central line of the base.
Optionally, the connection part of the first guiding structure and the second guiding structure forms an included angle structure.
Optionally, the storage mechanism comprises a feed inlet and a distributing structure connected with the bottom of the feed inlet.
Optionally, the drying mechanism includes the drying structure body, just the drying structure body includes interconnect's first drying structure and second drying structure, first drying structure with the second drying structure be used for respectively with the both ends of feed divider structure are linked together, first drying structure with the second drying structure is the same rectangle structure, just first drying structure includes first drying structure body and set up in the enhancement stand of first drying structure body four corners department.
Optionally, the drying mechanism further comprises an air inlet chamber and an exhaust chamber connected with the reinforcing upright post, the air inlet chamber comprises a first air inlet chamber, a second air inlet chamber and a third air inlet chamber, the first air inlet chamber and the second air inlet chamber are respectively arranged in an extending manner along two ends of the length direction of the drying structure body towards the height direction of the drying structure body, and the third air inlet chamber is arranged in the middle of the first drying structure and the second drying structure; the exhaust chamber comprises a first exhaust chamber and a second exhaust chamber, and the first exhaust chamber and the second exhaust chamber are respectively arranged along the two ends of the width direction of the drying structure body in an extending way towards the height direction of the drying structure body.
Optionally, the cooling mechanism includes a first cooling structure and a second cooling structure connected to each other, and the first cooling structure is configured to be connected to the first drying structure, and the second cooling structure is configured to be connected to the second drying structure.
The continuous grain dryer has high productivity, good drying uniformity, can prevent the accumulation of straws in grains, solves the problem of unsmooth flow of grains in the machine, has reliable work and strong adaptability, and can meet the drying operation of various crops such as corn, rice, wheat and the like.
Drawings
FIG. 1 is a schematic view of a continuous grain dryer according to an embodiment of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic structural view of a storage mechanism according to an embodiment of the present invention;
FIG. 4 is a top view of FIG. 3 (with the top cover removed);
FIG. 5 is a schematic view of a drying mechanism according to an embodiment of the present invention;
FIG. 6 is a top view of FIG. 5 (with the angular ventilation box removed);
FIG. 7 is a schematic view of the direction of air intake and air exhaust of a drying mechanism according to an embodiment of the present invention;
FIG. 8 is a schematic view of the direction of air intake and air exhaust of a cooling mechanism in an embodiment of the invention;
FIG. 9 is a front cross-sectional view of the discharge mechanism (with the sidewall plate and discharge motor removed) in an embodiment of the invention;
fig. 10 is a partially enlarged schematic view at D in fig. 9.
The reference numerals are explained as follows:
1-storage mechanism, 11-feed inlet, 12-feed distribution structure, 13-night vision camera, 2-drying mechanism, 21-first inlet chamber, 22-second inlet chamber, 23-third inlet chamber, 24-first exhaust chamber, 25-second exhaust chamber, 26-reinforcing upright post, 27-shaped steel frame, 28-side wall plate, 29-ventilation box, 3-cooling mechanism, 4-discharge mechanism, 41-base, 42-first guide structure, 43-second guide structure, 44-first discharge roller, 45-second discharge roller, 46-gin pole, 5-base.
Detailed Description
The grain is required to be dried before being stored, and the grain is generally exposed to sunlight, but the drying method is low in efficiency and is easily affected by weather and geographical environment, so that many farmers can expose the grain to the road side and have potential safety hazards, and a grain dryer is generally used to replace the traditional grain drying method.
The grain drier is composed of main components such as a hot blast stove, a motor, a ventilator, a stacking rack and the like, has the advantages of short dehydration time and high drying treatment efficiency, effectively ensures the quality of grain storage, reduces the probability of mildew and germination of grains, plays a vital role in ensuring the safety of grains, has rapid development in recent years and is more popular with vast users, but the traditional grain drier has poor drying uniformity, low productivity, unsmooth discharge, easy accumulation, formation of burnt grains and influence on drying quality.
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present invention, it should be understood that, in the drawings, the forward direction of "X" represents the right direction, the reverse direction of "X" represents the left direction, the forward direction of "Y" represents the front direction, the reverse direction of "Y" represents the rear direction, the forward direction of "Z" represents the upper direction, the reverse direction of "Z" represents the lower direction, and the directions or positional relationships indicated by the terms "X", "Y", "Z", etc. are those shown based on the drawings of the specification, only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. The description of the term "certain embodiments" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same implementations or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1-2, the embodiment of the invention provides a continuous grain dryer, which comprises a base 5 and a dryer body connected with the base 5, wherein the dryer body comprises a storage mechanism 1, a drying mechanism 2, a cooling mechanism 3 and a discharge mechanism 4 which are sequentially connected from top to bottom, and adjacent structures are connected in a combined mode, are connected through bolts firstly and then welded, so that the continuous grain dryer is convenient to install and firm in connection; the discharging mechanism 4 comprises a discharging body connected with the base 5 and a driving structure, the discharging body comprises a base 41, a guiding structure and a discharging structure are arranged on the base 41, the discharging structure is arranged at the lower part of the guiding structure, and the discharging structure is connected with the driving structure.
In the embodiment, the dryer body of the continuous grain dryer comprises a storage mechanism 1, a drying mechanism 2, a cooling mechanism 3 and a discharge mechanism 4 which are sequentially connected from top to bottom, and the adjacent structures are connected in a combined mode, so that the continuous grain dryer is reliable in work and high in adaptability, and can meet the drying operation of various crops such as corn, rice and wheat; when the continuous grain dryer is in a working state, grains to be dried enter the machine from the storage mechanism 1, sequentially flow through the drying mechanism 2 and the cooling mechanism 3, finally enter the discharge mechanism 4, and continuously work, so that the production efficiency is high and the drying uniformity is good; the discharging mechanism 4 comprises a driving structure, a guiding structure and a discharging structure, when grains flow through the discharging mechanism, the discharging structure runs to discharge the grains out of the machine along the guiding structure under the action of the driving mechanism, so that the accumulation of the straws in the grains is prevented, and the problem that the grains are not smooth in the machine is solved.
As shown in fig. 3-4, preferably, the material storage mechanism 1 is arranged at the uppermost part of the dryer body, and comprises a material storage structure body and reinforcing upright posts arranged at four corners of the material storage structure body, so that the whole dryer is high in structural strength and convenient to install and construct. In some specific embodiments, the reinforcing upright posts adopt thick-wall square tubes, and the adjacent reinforcing upright posts are welded and connected by steel frames, and the steel frames are welded with side wall plates, so that the structure is simple, the requirements of large installation capacity and safety of the large-scale dryer are met, and the installation and construction are convenient.
Preferably, the storage mechanism 1 further comprises a feed inlet 11 and a distributing structure 12 connected with the bottom of the feed inlet 11, and grains enter the machine from the feed inlet 11 and flow into the drying mechanism 2 through the distributing structure 12, so that the grains in the machine can be uniformly distributed.
Preferably, the storage mechanism 1 is provided with an all-weather video monitoring system, and the all-weather video monitoring system is connected with the control system, so that a dryer operator can see the grain flowing condition in the storage mechanism 1 in a control room, and the method is convenient and reliable. In some preferred embodiments, two night vision cameras 13 are oppositely arranged on the inner wall of the storage mechanism 1, so that the monitoring is convenient, and the cost is low.
As shown in fig. 5 to 6, preferably, the drying mechanism 2 comprises a drying structure body, and the drying structure body comprises a first drying structure and a second drying structure which are connected with each other, wherein the first drying structure and the second drying structure are respectively used for being communicated with two ends of the material distributing structure 12, so that grains uniformly flow into the first drying structure and the second drying structure from the material distributing structure 12 for drying.
In some embodiments, the first and second drying structures are identical rectangular structures and may be interconnected using multiple sections of the composite structure depending on the capacity of the dryer. In the present invention, the connection mode is not particularly limited, and any conceivable connection mode can be adopted, and in some preferred embodiments, the connection mode is firstly bolt connection and then welding, so that the installation is convenient and the connection is firm.
Preferably, the first drying structure comprises a first drying structure body and reinforcing upright posts 26 arranged at four corners of the first drying structure body, and the whole machine has high structural strength and is convenient to install and construct. In some specific embodiments, the reinforcing upright posts 26 are thick-wall square tubes, and the adjacent reinforcing upright posts 26 are welded and connected by the steel frame 27, and the steel frame 27 is welded with the side wall plate 28, so that the structure is simple, the requirements of large installed capacity and safety of the large-sized dryer are met, and the installation and construction are convenient.
Preferably, the first drying structure body includes a first side wall and a second side wall which are oppositely disposed, a first ventilation opening and a second ventilation opening are respectively disposed on the first side wall and the second side wall, and the first ventilation opening and the second ventilation opening are connected through the ventilation box 29, in the present invention, the shape of the ventilation box 29 is not particularly limited, and in some preferred embodiments, the shape of the ventilation box 29 is angular, and the ventilation effect is good.
Preferably, the drying mechanism 2 further comprises an air inlet chamber and an air outlet chamber which are connected with the reinforcing upright post 26, wherein the air inlet chamber comprises a first air inlet chamber 21, a second air inlet chamber 22 and a third air inlet chamber 23, the first air inlet chamber 21 and the second air inlet chamber 22 are respectively arranged in an extending way along the two ends of the length direction of the drying structure body towards the height direction of the drying structure body, and the third air inlet chamber 23 is arranged in the middle of the first drying structure and the second drying structure; the exhaust chambers include a first exhaust chamber 24 and a second exhaust chamber 25, and the first exhaust chamber 24 and the second exhaust chamber 25 are respectively disposed along two ends of the width direction of the drying structure body to extend toward the height direction of the drying structure body.
In this embodiment, the length direction of the drying structure body refers to the forward direction or the reverse direction of X in fig. 5, the width direction of the drying structure body refers to the forward direction or the reverse direction of Y in fig. 6, and the height direction of the drying structure body refers to the forward direction or the reverse direction of Z in fig. 5. The air inlet direction and the air outlet direction of the drying structure in the working state are shown in fig. 7, wherein the direction of an arrow A is the air inlet direction, and the direction of an arrow B is the air outlet direction, so that the grains can be fully and uniformly contacted with hot air when flowing from top to bottom in the dryer, and no drying dead angle exists.
Preferably, the cooling means 3 comprise a first cooling structure and a second cooling structure connected to each other, the first cooling structure and the second cooling structure being identical in structure and the first cooling structure being adapted to be connected to the first drying structure and the second cooling structure being adapted to be connected to the second drying structure. The air inlet direction and the air outlet direction of the cooling mechanism 3 in the working state are shown in fig. 8, wherein the direction of an arrow A is the air inlet direction, and the direction of an arrow B is the air outlet direction, so that when the dried grains flow through the cooling mechanism 3, the grains can be fully and uniformly contacted with cold air, the grains are cooled and precipitation is realized, and the requirements of the moisture and the temperature of the grains discharged from the machine are met.
Preferably, the first cooling structure comprises a first cooling structure body and reinforcing upright posts arranged at four corners of the first cooling structure body, and the whole machine has high structural strength and is convenient to install and construct. In some specific embodiments, the reinforcing upright posts adopt thick-wall square tubes, and the adjacent reinforcing upright posts are welded and connected by steel frames, and the steel frames are welded with side wall plates, so that the structure is simple, the requirements of large installation capacity and safety of the large-scale dryer are met, and the installation and construction are convenient.
Preferably, the driving mechanism comprises a discharging motor, and stepless speed regulation is adopted to meet the requirement of moisture of the grain discharging machine. If the moisture of the grain discharging machine is higher than the actual requirement, the rotating speed of the discharging motor is reduced, the discharging speed is reduced, the drying time of the grain in the dryer is prolonged, if the moisture of the grain discharging machine is lower than the actual requirement, the rotating speed of the discharging motor is increased, the discharging speed is increased, the drying time of the grain in the dryer is reduced, and the grain meets the agricultural requirement through the adjustment of the discharging motor.
As shown in fig. 9, preferably, the discharging mechanism 4 comprises a discharging mechanism body and reinforcing upright posts arranged at four corners of the discharging mechanism body, and the whole machine has high structural strength and is convenient to install and construct. In some specific embodiments, the reinforcing upright posts adopt thick-wall square tubes, and the adjacent reinforcing upright posts are welded and connected by steel frames, and the steel frames are welded with side wall plates, so that the structure is simple, the requirements of large installation capacity and safety of the large-scale dryer are met, and the installation and construction are convenient.
Preferably, the discharging structure further comprises a first discharging structure and a second discharging structure which are symmetrically arranged along the central line of the base 41, and the first discharging structure and the second discharging structure are identical in structure and are all arranged inside the discharging mechanism body. In the present invention, the shape of the base 41 is not particularly limited, and in some preferred embodiments, the base 41 is rectangular and is installed on the base 5, so that the function of supporting the whole dryer while ensuring uniform discharge is also achieved.
Preferably, the discharging structure further comprises a reversing structure, the reversing structure is respectively connected with the first discharging structure and the second discharging structure in a chain transmission manner, and the reversing structure is connected with the discharging motor in a belt transmission manner. In some specific embodiments, the reversing structure is a double-shaft output forward and reverse speed reducer, the structure is simple, and a proper model can be selected in the market according to actual requirements to directly purchase.
Preferably, the first discharging structure includes a first discharging roller 44 and a second discharging roller 45 connected in series with each other, and the first discharging roller 44 and the second discharging roller 45 are sequentially disposed in a direction away from a center line of the base 41. In the present invention, the number of the first discharging roller 44 and the second discharging roller 45 is not particularly limited, and can be customized as needed.
In some preferred embodiments, the number of the first discharging rollers 44 is 4, the number of the second discharging rollers 45 is 1, correspondingly, the number of the first discharging rollers 44 in the second discharging structure is 4, the number of the second discharging rollers 45 is 1, and 8 first discharging rollers 44 are arranged in the middle, two second discharging rollers 45 are respectively arranged at two ends of the first discharging rollers 44 and respectively close to the inner side walls of the first discharging structure and the second discharging structure, namely, 5 discharging rollers are respectively arranged at the left side and the right side of the center line of the base 41, 4 first discharging rollers 44 and 1 second discharging roller 45 are respectively arranged at the left side and the right side of the center line of the base 41, and two shafts of the biaxial output forward and reverse rotation speed reducer are respectively connected with the first discharging rollers 44 close to the center line of the base 41 and drive the discharging rollers symmetrically arranged at two sides of the center line of the base 41 to rotate in opposite directions, and in some specific examples, when the 5 discharging rollers at the left side of the center line of the base 41 rotate in clockwise direction, the 5 discharging rollers at the right side of the center line of the base 41 rotate in anticlockwise directions; when the 5 discharging rollers at the left side of the center line of the base 41 are rotated in the counterclockwise direction, the 5 discharging rollers at the right side of the center line of the base 41 are rotated in the clockwise direction as shown in fig. 9, wherein arrow E is the rotation direction of the discharging roller at the left side of the center line of the base 41, and arrow F is the rotation direction of the discharging roller at the right side of the center line of the base 41.
In some preferred embodiments, the second discharge roller 45 has fewer sprocket teeth than the first discharge roller 44, such that the second discharge roller 45 rotates at a higher speed than the first discharge roller 44, increasing the flowability of the sidewall cereal.
As shown in fig. 10, preferably, a gin pole 46 is disposed on the second discharging roller 45, which can prevent the accumulation of straw in the grain at the corners of the side walls, and solve the problem of unsmooth flow of the grain in the machine.
Preferably, the guiding structure comprises a first guiding structure 42 and a second guiding structure 43 which are identical in structure, and the first guiding structure 42 and the second guiding structure 43 are connected with each other and symmetrically arranged along the central line of the base 41. In some embodiments, the first guide structure 42 and the second guide structure 43 are guide plates with protruding structures, so that two guide plates, which are closest to the inner side wall plate of the discharge mechanism, form an included angle with the vertical side wall plate, thereby ensuring that grains of the discharge mechanism flow smoothly without dead angles.
In the present invention, the number of the first guide structures 42 and the second guide structures 43 is not particularly limited, and may be customized as needed. In some embodiments, the number of the first material guiding plates is 5, the number of the second material guiding plates is 5, the first material guiding plates and the second material guiding plates on two sides of the center line of the base 41 are connected with each other, and an included angle C is formed at the connection position. In some preferred embodiments, the included angle C is 80 °, which ensures both smooth discharge in the middle of the discharge section and strength of the guide plate.
Preferably, a discharge hopper is provided below the base 41, through which discharged grains flow out of the machine. In the present invention, the connection manner between the discharge hopper and the base 41 is not particularly limited, and in some embodiments, the discharge hopper and the base 41 are welded and firmly connected.
In some embodiments, the continuous grain dryer of the present invention includes two discharge mechanisms 4, namely a first discharge mechanism 4 and a second discharge mechanism 4, with the first discharge mechanism 4 being connected to a first cooling structure and the second discharge mechanism 4 being connected to a second cooling structure.
Therefore, the continuous grain dryer of the embodiment has high productivity, good drying uniformity, can prevent the accumulation of straws in grains, solves the problem of unsmooth flow of grains in the dryer, has reliable work and strong adaptability, and can meet the drying operation of various crops such as corn, rice, wheat and the like.
Although the present disclosure is disclosed above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the disclosure.
Claims (7)
1. The utility model provides a continuous grain drier, its characterized in that includes base (5) and with the desiccator body that base (5) are connected, the desiccator body includes storage mechanism (1), drying mechanism (2), cooling mechanism (3) and the discharge mechanism (4) that connect gradually from top to bottom, discharge mechanism (4) include with the discharge body and the drive structure that base (5) are connected, just the discharge body includes base (41), set up guide structure and discharge structure on base (41), the discharge structure set up in the lower part of guide structure, just the discharge structure with the drive structure is connected, the discharge structure includes switching-over structure and along first discharge structure and the second discharge structure that the central line symmetry of base (41) set up, the switching-over structure respectively with first discharge structure and second discharge structure chain drive connection, just the switching-over structure with drive structure belt drive connection, first discharge structure and second discharge structure the first discharge sprocket (44) the same number of teeth of first discharge structure and second discharge roller (44) are installed to the first discharge roller (45) is kept away from each other, and the first discharge roller (45) is arranged in proper order to the number of teeth (44) the first discharge roller (44), and a gin pole (46) is arranged on the second discharging roller (45).
2. Continuous grain dryer according to claim 1, characterized in that the guiding structure comprises a first guiding structure (42) and a second guiding structure (43) of identical structure, and in that the first guiding structure (42) and the second guiding structure (43) are interconnected and symmetrically arranged along the midline of the base (41).
3. Continuous grain dryer according to claim 2, characterized in that the junction of the first guide structure (42) and the second guide structure (43) forms an angle structure.
4. Continuous grain dryer according to claim 1, characterized in that the storage means (1) comprise a feed opening (11) and a distributing structure (12) connected to the bottom of the feed opening (11).
5. Continuous grain drier according to claim 4, characterised in that the drying means (2) comprise a drying structure body, and in that the drying structure body comprises a first drying structure and a second drying structure which are connected to each other, the first drying structure and the second drying structure being respectively arranged to communicate with both ends of the distributing structure (12), the first drying structure and the second drying structure being of the same rectangular structure, and in that the first drying structure comprises a first drying structure body and reinforcing uprights (26) arranged at the four corners of the first drying structure body.
6. The continuous grain dryer according to claim 5, wherein the drying mechanism (2) further comprises an air inlet chamber and an air outlet chamber connected with the reinforcing upright (26), the air inlet chamber comprises a first air inlet chamber (21), a second air inlet chamber (22) and a third air inlet chamber (23), the first air inlet chamber (21) and the second air inlet chamber (22) are respectively arranged along two ends of the length direction of the drying structure body in an extending manner towards the height direction of the drying structure body, and the third air inlet chamber (23) is arranged in the middle of the first drying structure and the second drying structure; the exhaust chamber comprises a first exhaust chamber (24) and a second exhaust chamber (25), and the first exhaust chamber (24) and the second exhaust chamber (25) are respectively arranged along the two ends of the width direction of the drying structure body in an extending way towards the height direction of the drying structure body.
7. Continuous grain dryer according to claim 6, characterized in that the cooling means (3) comprise a first cooling structure and a second cooling structure connected to each other, and in that the first cooling structure is intended to be connected to the first drying structure and the second cooling structure is intended to be connected to the second drying structure.
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| CN201911119205.0A CN110736329B (en) | 2019-11-15 | 2019-11-15 | Continuous grain drier |
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| CN110736329B true CN110736329B (en) | 2024-05-28 |
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