JPS5846376Y2 - Circulating grain ventilation dryer - Google Patents

Description

[Detailed description of the invention] This invention relates to a large-capacity circulating grain ventilation dryer.

For full-time farmers with large cultivated areas or for dryers used jointly by a large number of farmers, a large-capacity dryer is desired from the standpoint of rationalizing drying work.

However, simply enlarging a conventional structure to a similar shape to satisfy this requirement would increase the overall height, making it difficult to carry into a house, difficult to transport and assemble, and due to the increase in the number of models. It is not practical as it causes a decrease in productivity.

For this reason, conventionally, a technique as shown in Japanese Utility Model Application Publication No. 51-155866 has been employed.

In other words, a large number of small-capacity dryers, each of which performs circulation and drying independently, were arranged in parallel.

This method had the disadvantage that each dryer had to be operated, monitored, and adjusted separately, which was troublesome.

Furthermore, since independent dryers are simply arranged in parallel, they cannot be shared with each other, resulting in high costs.

By skillfully combining parts that can be shared and reused, this invention can achieve a large capacity and reduce the overall height while solving the above-mentioned drawbacks of the conventional method, thereby creating a highly practical circulating grain dryer. The purpose is to

In order to achieve the above object, this invention arranges a plurality of lower structures in which a ventilation drying section and an unloading section, both of which are shaped like a rectangular parallelepiped, are disposed vertically in close proximity to each other in the horizontal direction. a rectangular parallelepiped-shaped common storage section having a planar area approximately equal to the sum of these planar areas and combining a plurality of plates, and a dropping device provided on the top of the common storage section; removably connect the upper structure consisting of the upper structure, and collect each carrying-out part of each lower structure into any one carrying-out part,
The one unloading section and the equalizing drop device are connected through one grain lifting machine, and each hot air path of each ventilation drying section is connected in parallel to a hot air generator. .

This invention will be explained below based on illustrated embodiments.

First, in FIGS. 1 to 3, the main body 1 includes two rectangular parallelepiped-shaped lower structures A1. A2, each of these lower structures A, and one rectangular parallelepiped-shaped upper structure B connected to the upper part of A2.

Both of the lower structures A, A2 have the same structure, and are detachably connected to each other with the ventilation drying section 2 arranged at the upper part and the carrying-out section 3 arranged at the lower part.

The ventilation drying section 2 has a rectangular parallelepiped outer box 21 divided into a plurality of sections by a perforated plate 22, with a hot air chamber 23 in the center thereof, exhaust channels 24 and 25 at both ends thereof, and a hot air channel 23. Grain flow portions 26 and 27 are formed between the air outlet and the air exhaust passages 24 and 25, respectively.

Further, the carrying out section 3 includes a feeding valve 32.33 which opens and closes the lower part of the grain flow path 26.27, and a ■-shaped grain collection gutter located below the feeding valve 32.33, in the same rectangular parallelepiped outer box 31. 34
and an ejection screw 35 disposed in the trough thereof.

Lower side structure A1. A triangular prism-shaped connector 4 is attached between the upper ends of the opposing side walls of A2.

The upper structure B includes a common storage section 5 and an equalizing and dropping device 6 installed above the common storage section 5.

The common storage section 5 includes front and rear plates 51, 52, and left and right plates 53, 54.
and a top plate 55 are removably joined, and the planar area thereof is approximately equal to the sum of the planar areas of the lower components A, , A2.

The front and rear plates 51, 52 and the left and right plates 53, 54 are connected to each other on the inside by tension made of steel plates (not shown).

Further, the equalizing and dropping device 6 is located above the center of the lower structure A1 on the right side in FIG. It consists of.

As shown in FIGS. 4 and 5, the screw conveyor 6a has a plurality of drop openings 63 and 64 cut out in the left and right walls of a gutter 62 surrounding the screw shaft 61, and the diffuser 6b has a second It consists of a rotary shaft 65 that is positioned opposite to the drop port 63 on the left side of the figure and rotates in conjunction with the screw shaft 61, and a diffusion vane 66 that is attached to a portion of the rotary shaft 65 that corresponds to the drop port 63.

Reference numeral 67 denotes a guide plate that guides the grains that have fallen from the drop opening 63 to the diffusion blades 66. This may be placed below the diffusion blades 66 as shown in FIG. 4, or as shown in FIG. is arranged above the diffusion vane 66 and the rotating shaft 65
The rotation may be configured to be rotated in the opposite direction to that described above.

Each lower structure A mentioned above 1. Each of the carry-out screws 35 and 35 of A2 has a tendency to feed forward, and the carry-out screw 35 on the lower structure A1 side on the right has its carry-out end under the grain lifting machine 7, and the other carry-out screw 35 has a feeding tendency toward the front. Their discharge ends are made to face the collecting screw conveyor 8, respectively.

The collecting screw conveyor 8 has its discharge end connected to the lower part of the grain lifting machine 7.

In the figure, 9a is a main hopper attached to the grain lifting machine 7, and 9b is an auxiliary hopper attached to the exit portion of the left-hand delivery screw 35 or the starting end of the collecting screw conveyor 8.

As shown in FIG. 3, a flat front duct 10 and a rear duct 11 are provided at the front and rear parts of the left and right ventilation drying sections 2, 2.
and install.

The front duct) 10 connects the left and right hot air passages 23, 23, and one hot air generator 101 is attached to its center, and the rear duct 11 connects the left and right pair of air exhaust passages 24, 25.
, 24 and 25 are communicated with each other, and one exhaust fan 111 is installed in the center thereof.

At this time, closing members 10a and 11a are attached to make the connection between the two-way air drying sections 2, 2 airtight.

The grain lifting machine 7 mentioned above is installed upright at the front of the main body 1, and its upper discharge part 71 is connected to the starting end of the equalizing and dropping device 6.

A discharge pipe 12 is further connected to the discharge part 71, and a switching shutter (not shown) provided in the discharge part 71 allows the discharge pipe 12 to be connected to the discharge part 71.
1 to the starting end of the equalizing drop device 6 and the discharge pipe 12 as appropriate.

13 is a switching lever of the switching shutter.

14 is a motor attached to the top of the grain lifting machine, and ■ Bell l
The drive pulley of the grain lifting machine is driven through the Luer, the screw conveyor drive pulley is driven through the Peltow, and the diffuser drive pulley is driven through the Beltow.

15 is an operation panel.

Next, the operation of the above configuration will be explained.

When drying grains, the grains supplied from the grain lifting machine 7 to the screw conveyor 6a are transported horizontally to the left and right drop ports 6.
Falling from 3.64.

In this case, the grains falling from the left drop port 63 are guided to the diffuser 6b section by the guide plate 67, and from this section are scattered to the left of the common storage section 5 by the diffusion vanes 66 and fall to the lower structure A2 side. do.

Further, the grains from the drop port 64 fall directly to the lower structure A1 side.

The grains supplied to each of the lower structures A, A2 are fed to the front part of the main body 1 by the delivery screws 35, 35 after passing through the ventilation drying sections 2, 2 by the operation of the delivery valves 32, 33, 32, 33. The grains carried out from the right carrying screw 35 are directly carried out to the lower part of the grain raising machine 7, and the grains carried out from the left hand side are carried out to the lower part of the grain raising machine 7 by the collecting screw conveyor 8. 7 and returned to the common storage section 5 via the equalizing and dropping device 6.

On the other hand, the hot air generated by the hot air generator 101 is transferred to the front duct 1.
0, the hot air is branched into left and right hot air paths 23, 23, passes through each flow grain section 26, 27, flows into each air exhaust path 24, 25, is collected again by the rear duct 11, and is discharged to the outside.

After drying is completed, operate the switching lever 13 to switch on the grain lifting machine 7.
If the discharge part 71 is connected to the discharge pipe 12 side, the grains in the main body 1 are discharged to the outside.

In particular, according to this example, since the lower structures A, . . . A2 are assembled (arranged) in close proximity to each other in the form of independent units, the size of one unit becomes small.

Furthermore, since the upper structure B is formed into one unit, checking of the internal tensioning state, circulation state, etc., and adjustment of the even distribution of fall, etc., can be carried out in one place.

In this case, the common storage portion 5 includes flat front and rear plates 51, 52,
Since the left and right plates 53, 54 and the top plate 55 are removably connected to each other, each individual plate only needs to be a small item.

Furthermore, since there is only one grain frying machine 7 and one hot air generator 101, the number of parts to be operated and adjusted can be reduced.

As explained above, this invention consists of a plurality of lower structures in which a ventilation drying section and a carrying-out section, both of which are shaped like a rectangular parallelepiped, are arranged vertically in close proximity to each other in the horizontal direction, and the upper part of each structure is , a rectangular parallelepiped-shaped common storage part having a planar area approximately equal to the sum of these planar areas and combining a plurality of plates, and an equal distribution dropping device provided on the upper part of the common storage part. The upper structures consisting of Since the structure is such that each hot air path of each ventilation drying section is connected to the hot air generator in parallel through the grain machine, the lower structure consisting of the ventilation drying section has a complex structure and requires high-precision machining. By arranging a plurality of conventional small-capacity devices in close proximity to each other in the lateral direction, this can be achieved without changing the thickness or increasing the height.

You can do it with 2 or 2. In addition, the common storage part with a large volume is
It can be easily obtained by combining plate bodies that are convenient for transportation and handling.

Moreover, since the common storage section has a single rectangular parallelepiped shape, it is easy to monitor the inside.

In addition, the equalizing dropping device, grain frying machine, and hot air generating device, which require operation and adjustment during operation or inspection, are the minimum number of one, and are connected in parallel to each ventilation drying section. As with the previous model, there are fewer operations and adjustments, making these tasks easier.

Therefore, this invention has the effect of making it possible to obtain a highly practical circulating grain ventilation dryer with a large capacity and a low overall height.

[Brief explanation of the drawing]

Fig. 1 is a front view showing an embodiment of this invention, Fig. 2 is a longitudinal cross-sectional view thereof, Fig. 3 is a III-III cross-sectional view of Fig. 1, Fig. 4 is a subordinate cross-sectional view of the equalizing dropping device, and Fig. 5 is a longitudinal cross-sectional view of the embodiment. The figure is a side view, and FIG. 6 is a longitudinal sectional view corresponding to FIG. 4 showing another embodiment.
FIG. 7 is an exploded perspective view of the main part of FIG. 1. A,, A2: Lower structure, B: Upper structure, 2: Ventilation drying section, 21: Outer box, 22: Perforated plate, 23: Hot air path, 24
゜25: Ventilation path, 26, 27: Grain flow path, 3: Carrying out section,
31: Outer box, 32.33: Feeding valve, 34: Grain collection gutter, 3
5: Unloading screw, 4: Connecting body, 5: Common storage section, 6
: Equal distribution device, 6a Niscrew conveyor, 6b: Diffuser, 61 Niskutny shaft, 62: Gutter, 63, 64:
Falling port, 65: Rotating shaft, 66: Diffusion blade, 67: Guide plate, 7: Grain lifting machine, 8: Collection screw conveyor, 9a,
9b: Hopper, 10: Front duct, 101: Hot air generator, 11: Rear duct 1~. 111: Exhaust fan.

Claims (1)

[Scope of utility model registration request] A plurality of lower structures each having a ventilation drying section and a carrying-out section arranged vertically in the shape of a rectangular parallelepiped are arranged close to each other in the horizontal direction, and the upper part of each structure is approximately equal to the sum of these planar areas. The upper structure is made removable and consists of a rectangular parallelepiped common storage section made by combining a plurality of plates having the same planar area and an equalizing drop device provided on the top of the common storage section. The unloading parts of each lower structure are assembled into one unloading part, and the one unloading part and the equalizing dropping device are combined into one unloading unit.
This is a circulating type grain draft dryer in which the hot air passages of each draft drying section are connected in parallel to a hot air generator.