JPH0659798U - Drying unit in grain dryer - Google Patents

Abstract

(57) [Abstract] [Purpose] A drying section of a grain dryer that can be easily carried in and assembled by two or more workers without the need for a hoist or a large number of workers. obtain. A grain dryer in which a drying section 3 having a grain flow-down path 21 is mounted on a conveyor section 2 provided with casters 6 and a grain tank is mounted on the drying section 3, The left and right side walls 47, 48 are detachable, and the drying unit 3
The front and rear side walls and the grain flow-down passage 21 are divided into an upper stage and a lower stage.
8, 43, 44 and the upper and lower side walls 29, 30 can be attached and detached.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a grain dryer such as rice and wheat, and more particularly to a drying unit in a grain dryer.

[0002]

[Prior art]

 The conventional grain dryer has a drying unit 105 in which a hot air supply chamber 103 and an exhaust air chamber 104 are arranged side by side with a grain flow-down passage 104 formed of a perforated wall or net interposed therebetween, and the drying unit 105. To a lower end of the grain flow-down path 102, and a conveyor unit having a rotary valve 106 provided at the lower end of the grain downflow path 102 and a lower screw conveyor 10 2 provided below the rotary valve 106. The grain tank 109 is installed on the grain tank 109, and the upper screw conveyer 110 and the lower screw conveyer 107 which are horizontally provided on the upper end of the grain tank 109 are connected to each other via the grain raising machine 111. At one end of the dryer main body 101 is hot air. A generator 112 and a control panel 113 are additionally provided, and an exhaust fan 114 is attached to the other end, which is connected to the feeding section 115 or the conveying section 108 of the grain elevator to connect the hopper 11 , It is formed by providing a 117 (see FIG. 3 and 4).

By the way, when installing (assembling) and assembling this type of grain dryer in a workplace, it takes five to six people to unload the dryer main body 101 from the truck bed, and then the dryer main body 101 After the casters 118 provided at the bottom are used to bring them to the installation site in the work space, the side wall slab 119 of the grain tank 109 is sequentially assembled by the fasteners 120 such as bolts and nuts. The 101 usually weighs more than 500 kg, and it is not easy to carry it into the installation site. Especially, when it is necessary to pass through a stepped place, we had to rely on a crane truck or a forklift truck. As described above, it was very troublesome and expensive to install this type of grain dryer in a farm work place.

Therefore, as shown in FIG. 5, the dryer main body 101 is divided into a drying unit 105 and a conveying (grain collecting chamber) 108, and the drying unit 105 is further divided into upper and lower parts. However, when the lower part 121 (drying chamber) of the drying section is placed on the transfer section 108 and the upper section (reserving chamber) 122 of the drying section is comparatively proposed. When it was placed on the lower stage 121 of the drying section at a high position, it also required a considerable number of workers.

[0005]

[Problems to be solved by the device]

 In view of the above problems, the present invention provides a drying unit in a grain dryer that can be easily carried in and assembled by about two workers without the need for a hoist or a large number of workers. This is a technical issue.

[0006]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention has a plurality of grain flow-down passages each having a perforated wall between front and rear side walls provided with an air supply port on one side and an air exhaust port on the other side, and sandwiches the grain flow-down channel. In addition, the air supply chamber communicating with the air supply port and the air exhaust chamber communicating with the air exhaust port are arranged in parallel, and the left and right side walls are erected while being supported by both side ends of the front and rear side walls. Connected to the lower part of the drying section, the transport section equipped with a rotary valve, screw conveyor and caster is detachably installed, while the tank side plate is combined on the drying section to form a box-shaped grain tank. In the grain dryer, a. The left and right side walls are removable. B. The front and rear side walls and the grain flow down passage are divided into an upper stage and a lower stage. C. Furthermore, the upper grain lowering flow path constituting member and the front and rear side walls of the upper stage can be attached and detached. I took the technical means.

Then, it is preferable that the lower part of the upper grain flow path is overlapped with the upper part of the lower grain flow path, and the hopper mounting port and the exhaust fan mounting port are symmetrically provided on the left and right side walls, respectively. Can also be provided.

[0008]

[Action]

 When installing and assembling the grain dryer, use the casters to bring the lowermost transport section to the installation location, determine the installation direction of the lower drying section, and then set the lower drying section on this transport section. Place the bottom side edge of the front and rear side walls and the transport section with an appropriate stopper. Next, the front and rear side walls of the upper stage are placed on the upper edges of the front and rear side walls of the lower stage, respectively, and separate porous walls are erected between the front and rear side walls of the upper stage by appropriate fasteners. The grain downflow path, hot air chamber and exhaust air chamber are formed. Then, the left and right side walls are assembled and supported by the respective side ends of the front and rear side walls of the upper and lower stages.

[0009]

【Example】

 A preferred embodiment of the present invention will be described with reference to the drawings. 1 and 2, the box-shaped dryer main body 1 is composed of a base transporting section 2 and a drying section 3, and the drying section 3 is divided into a lower drying section 4 and an upper drying section 5. There is. The following is a description in the order of assembly.

The transport unit 2 is provided with a plurality of casters 6 for movement on the bottom surface, inside which a pair of receiving plates 8 are adjusted in a hopper shape, and a screw conveyor 7 is provided horizontally on the bottom of the receiving plates 8. It A terminal portion of the screw conveyor 7 is a discharge portion 7a which is formed on one side of the transport portion 2, that is, on the front side, and which is connected to a supply portion of a grain fried machine (not shown). In addition, a long rotary valve 9 that reverses every rotation is installed laterally above the screw conveyor 7, and the rotary valve 9 and the screw conveyor 7 are each driven by a motor (not shown). The rotary valve 9 has a cutout 10 over the entire length, and when the cutout 10 is aligned with the discharge opening 11a at the lower end of the pair of lower grain flow down passages 11 provided in proximity to the rotary valve 9 in a V shape, The grain in the lower grain flow path 11 is discharged. The notches 10 may be provided so as to be offset by half of the entire length of the rotary valve 9.

Flanges 12A, 12B, 131, 13B are formed on the upper edge of the conveying section 2, and the front side flange 12A and the rear side flange 12B respectively have the front wall 14 and the rear side of the lower section 4 of the drying section. Place the wall 15 on it. Then, a fitting, for example, a wedge holder 19 is inserted through the engagement openings 16 provided in the flanges 12A, 12B and the engagement openings 18 provided in the lower end flanges 17A, 17B of the front wall 14 and the back wall 15. Then, the wedge 20 is driven into the holder 19 to fix the lower stage 4 of the drying unit on the transport unit 2.

Between the front wall 14 and the back wall 15 of the lower part 4 of the drying section, a pair of middle grains in which the upper part is vertically bent and the lower part is bent inward by four perforated walls 22 bent in a V shape. A downflow path 21 is formed. Each of the porous walls 22 has its both end portions fixed to the front wall 14 and the rear wall 15 by rivets or the like, and the lower end edges thereof are engaged with the upper end edges of the lower grain downflow passages 11. That is, a flange 23 is provided at the upper edge of the lower grain flow path 11 so as to bend outward in the lower grain flow path 11 in a hook shape, and on the flange 23, at the lower end of the porous wall 22 of the middle grain flow path 11. The flanges 24 bent outward in a hook shape are stacked and locked, and the lower edge 25 extending further downward than the flange 24 is fitted in the upper end of the lower grain downflow passage 11. ) It is put in and polymerized.

Next, the drying section upper stage 5 is mounted on the drying section lower stage 4, and the drying section upper stage 5 is formed by combining the individual members. That is, on the two flanges 26 formed by bending the upper ends of the inner porous walls 22 of the pair of middle grain falling passages 21 to the outside of the middle grain falling passage 11, the first of the inverted V-shaped cross section is formed. A pair of flanges 28 formed by bending the lower ends of the divided fluids 27 inwardly are placed. Further, the attachment openings 32 provided in the flanges 31A and 31B formed by bending the lower end edges of the front wall 29 and the back wall 30 of the drying section upper stage 5 outward, and the front wall 14 of the drying section lower stage 4 and The holder 19 is inserted into the fitting openings 34 formed in the flanges 33A and 33B formed by bending the upper ends of the back wall 15 outward, and the holder 19 and the wedge 20 are fixed together. Both end portions of the first divided fluid 27 are fixed to the front wall 29 and the rear wall 30, respectively. This fixing means may be performed by tightening bolts 36 inserted into the attachment openings 35 provided in the front wall 29 and the back wall 30 and nuts 36 welded to both ends of the first divided fluid 27.

By fixing the front wall 29 and the back wall 30 of the upper part 5 of the drying section to the first divided fluid 27, the first wall 27 and the back wall 30 are relatively stably erected, and the Grain plates 37 and 38 are provided in an inclined shape so as to face the inclined surfaces 27a and 27b of the one-minute fluid 27, respectively, and a pair of large hopper portions 39 and 40 whose bottom is the upper end of the middle grain downflow passage 21 are formed. To do. A hook-shaped flange 41 that bends outward of the middle grain flow passage 21 is provided at each lower end of each of the flow grain plates 37, 38, and this flange 41 is provided on each outer side of the pair of middle grain flow passages 21. It is placed on a hook-shaped flange 42 which is provided on the upper end of the porous wall 22 and bends outward of the grain falling path 21, and the lower end edges of the individual grain plates 37, 38 are placed on the upper end of the porous wall 22. Are polymerized on the grain flow down path 21 side. The upper end portions of the grain shedding plates 37, 38 and the front wall 29 and the rear wall 30 are fixed to each other by the bolts 36 as described above.

In the large hopper parts 39, 40, second split fluids 43, 44 having a rhombus cross-sectional shape with the tops of the upper and lower ends being acute angles are provided. Both side ends of the front wall 29 and the front wall 29 and the back wall 30 are fixed to each other by bolts 36 and horizontally mounted. As a result, four layers of upper grain flow-down passages 45 each having a V-shaped cross section are formed at each upper end of the pair of middle grain flow-down passages 21 and the upper portions of the second divided fluids 43 and 44 and the flow-through grain. Four small hoppers 70 are formed between the plates 37, 38 and the first divided fluid 27. Then, in the small hopper portion 70, the flow regulating plates 46 are horizontally mounted by the bolts 36. The flow rate regulating plate 46 is provided so that grains can smoothly flow into the small hopper portion 70. The lower parts of the grain shedding plates 37, 38, the first divided fluid 27, and the second divided fluids 43, 44 are porous walls.

Next, the left side wall 47 and the right side wall 48 are assembled to the drying section 3. That is, the flange 49 formed by bending the lower end edges of the side walls 47, 48 outward is placed on the flanges 13A, 13B formed by bending the left right upper end edges of the transport section 2 respectively. In addition, the pair of flanges 50A and 50B formed by bending the both side edges of the side walls 47 and 48 outwardly are used to form the front walls 14, 29 and the rear wall 15 in the drying section lower stage 4 and the drying section upper stage 5, respectively. The left and right side edges of each of 30, 30 are respectively bent to the flanges 51A, 51B, 52A, 53A, 53B, 54A, 54B formed by bending outward. The left side wall 47 and the right side wall 48 are fixed to each other by the engagement openings 55 provided on the flanges 50A and 50B and correspondingly provided on the front walls 14 and 29 and the back walls 15 and 30 near both ends. It is performed by the holder 19 and the wedge 20 by matching with the engaging opening 56. In addition, the engaging openings 57 provided in the flanges 49 at the lower edges of the left side wall 47 and the right side wall 48 and the engaging openings 58 provided in the flanges 13A and 13B at the left and right upper ends of the transport section 2 are formed by the side walls. 47 and 48 are fixed to the transport unit 2. Further, the flanges 59 formed by bending the respective upper end edges of the left side wall 47 and the right side wall 48 outward are inside the flange 60 formed by bending the upper end edges of the grain plates 37, 38 outward in a hook shape. By fitting and engaging with, the grain leakage is prevented and the grain shedding plates 37, 38 are reinforced.

Thus, by finally assembling the left and right side walls 47, 48, the pair of perforated walls 22 and the side walls 47 on the outer sides of the respective grain boards 37, 38 and the middle grain flow-down passage 22 are formed. , 48 to form the exhaust air chamber 61, while the space inside the middle grain flow-down passage 22 and the space surrounded by the first divided fluid 27 form the hot air chamber 62. The air supply port 63 is located on the front wall 14 corresponding to the hot air chamber 62, and the air exhaust ports 64 and 65 are located on the rear walls 15 and 30 corresponding to the pair of air exhaust chambers 61, respectively. A hot air generator is provided in connection with the fan, and a fan box for attaching an exhaust fan is connected to the exhaust ports 64 and 65 (not shown). Further, the left and right side walls 47, 47 are provided symmetrically with the expansion hopper mounting port 66 and the exhaust fan mounting port 67, and are also provided with a cover for closing unnecessary mounting ports. Therefore, depending on which of the left and right side walls 47 and 48 is assembled, the positions of the stretched hopper mounting opening 66 and the exhaust fan mounting opening 67 are optimal.

[0018]

[Effect of device]

 As described above, according to the present invention, the left and right side walls of the drying section, and the grain distribution lower passage constituting members at the upper section of the drying section and the front and rear side walls can be respectively attached and detached, so that (A) is relatively large and large. The lower part of the drying section can be placed on the transport section with the left and right side walls of the weight removed, and (B) the upper section of the drying section has a loose, lightweight grain flow path between the front and rear side walls. Since it can be assembled by installing it, about two workers can make it in time, and as a result, installation and assembly can be completed in a short time.

Further, since the lower end portion of the upper grain flow path is polymerized with the upper end portion of the lower grain flow path, the positioning at the time of assembly is easy, and the grain leaks from the joint part of the grain flow path. Never.

Further, since the expansion hopper mounting opening and the exhaust fan mounting opening are provided symmetrically on the left and right side walls, the exhaust fan and the expansion hopper are matched to the workplace depending on the position where each side wall is assembled. It can be installed in the optimum position.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a structure of a dryer main body in a grain dryer according to the present invention.

FIG. 2 is a partially cutaway front view of the above.

FIG. 3 is a perspective view showing an entire conventional grain dryer.

FIG. 4 is an exploded perspective view of the above.

FIG. 5 is a perspective view showing a dryer main body structure in a conventional grain dryer.

[Explanation of symbols]

 1 Dryer Main Body 2 Conveyor Section 3 Drying Section 4 Drying Section Lower Stage 5 Drying Section Upper Stage 6 Casters 7 Screw Conveyor 8 Support Plate 9 Rotary Valve 10 Notch 11 Lower Grain Flow Down Path 12 Flange 13 Flange 14 Front Wall 15 Rear Wall 16 Attachment Opening 17 Lower End Flange 18 Attachment Opening 19 Holder 20 Wedge 21 Middle Grain Flow Path 22 Perforated Wall 23 Flange 24 Flange 25 Lower Edge 26 Flange 27 First Divided Fluid 28 Flange 29 Front Wall 30 Back Wall 31 Flange 32 Attachment Opening 33 Flange 34 Locking opening 35 Locking opening 36 Bolt 37 Grain board 38 Grain board 39 Large hopper section 40 Large hopper section 41 Flange 42 Flange 43 Second split fluid 44 Second split fluid 45 Upper grain downflow passage 46 Flow control plate 47 Left side Face wall 48 Right side wall 49 Franc The 50 flange 51 the flange 52 the flange 53 the flange 54 the flange 55 the attachment opening 56 the attachment opening 57 the attachment opening 58 the attachment opening 59 the flange 60 the flange 61 the exhaust chamber 62 the hot air chamber 63 the exhaust port 65 the exhaust port 65 the exhaust port 66 Hopper mounting opening 67 Exhaust air hopper mounting opening 68 Nut 70 Small hopper

Claims (3)

[Scope of utility model registration request] 1. A plurality of grain flow-down passages each having a porous wall are laterally provided between front and rear side walls facing each other by providing an air supply inlet on one side and an exhaust air outlet on the other side, and sandwiching the grain flow-down passage, the air supply port is provided. A hot air chamber that communicates with the exhaust air chamber and an exhaust air chamber that communicates with the exhaust port are arranged in parallel, and are connected to the lower end of a drying unit that is supported by both side ends of the front and rear side walls and has the left and right side walls standing upright. Then, while the transporting section provided with the rotary valve, the screw conveyor and the caster is detachably provided, in the grain drying machine in which the tank side plates are combined on the drying section to form a box-shaped grain tank, The front and rear side walls and the grain flow-down passage are divided into an upper stage and a lower stage, and further, the upper grain flow-down passage constituent member and the front and rear side walls can be attached and detached. Drying in grain dryer characterized by Department. 2. The drying unit of the grain dryer according to claim 1, wherein the lower end portion of the upper grain flow-down passage is polymerized in the upper end portion of the lower grain flow-down passage. 3. The drying unit in the grain dryer according to claim 1, wherein a hopper mounting port and an exhaust fan mounting port are symmetrically provided on the left and right side walls of the drying unit.