JPH068476Y2 - Grain distribution equipment in grain dryer - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention uses the scraping and discharging action of the conveyor screw conveyor for scraping out the grain carried in the carry-in gutter, and the drop-filling action from the drop port to the left and right of the carry-in gutter. The present invention relates to a grain distribution device in a grain dryer that can be filled and stored in the dryer main body evenly over the entire length of both sides.

[Prior Art] Conventionally, a grain distribution device having a carry-in gutter in which a rotatable screw conveyor is installed is installed at an upper position of the dryer main body, and three drop ports are provided in the carry-in gutter. A grain distribution device in a grain dryer capable of opening and allowing grains carried into a carry-in gutter to be packed and stored in a dryer main body from three drop openings is, for example, before the present application.
It is described and known in Japanese Patent No. 3549, and its contents will be described with reference to FIG. That is, at the upper position in the dryer main body 1, a carry-in gutter 2 is horizontally arranged, which is surrounded by a surrounding wall 3 and in which a rotatable screw conveyor 4 is mounted on a storage shaft.

Then, the bottom wall 5 of the transfer gutter 2 has three drop ports 6a, 6b,
6c is opened, and the upper side of the elevator 7 attached to one side of the dryer main body 1 is connected to the supply side of the carry-in gutter 2 so that the grain fed by the elevator 7 is carried into the carry-in gutter 2. Then, while the grain is successively conveyed to the conveying side by the screw conveyor 4, the grain is dropped in the dryer main body 1 one after another through the three drop ports 6a, 6b, 6c one after another so that a predetermined amount of grain is filled. is there.

[Problems to be solved by the invention] By the way, in the conventional loading gutters of this type of grain distribution device, generally, the surroundings are all surrounding walls except for the drop openings provided at the center of the bottom plate, the front side, and the transfer end side. Since it is completely surrounded by, the three piles are inevitably formed during the grain distribution work, and it is not possible to fill and store them under a leveled condition, so uneven distribution of grain during circulation drying work is possible. Caused a problem that uniform dried grains could not be obtained.

[Means for Solving the Problems] The present invention solves the above problems, and the contents thereof will be described below with reference to FIGS. 1 to 6 corresponding to the embodiments.

That is, in the upper stage position in the dryer main body 101, the left and right side walls 103, 103 'having the rotatable rotatable scraping-out conveying screw conveyor 105 stored therein and having the upper surface opened 104 are provided,
Further, a horizontally long bottomed carry-in gutter 102 in which the side wall 103 facing the upward rotation direction of the scraping and conveying screw conveyor 105 is formed to be gradually lower from the supplying side toward the conveying side is horizontally arranged.

The bottom wall 106 of the carry-in gutter 102 on the transfer end side is formed with a drop opening 107 for discharging the grain conveyed to the transfer end side without being scraped from the left and right side walls.

[Operation] Now, a screw conveyor for scraping and conveying with appropriate power
Rotate 105 and then feed grain into carrier gutter 102.
Then, the grain is scraped and conveyed by the screw conveyor 10.
By 5, the sheets are sequentially conveyed from the supply side to the conveyance side. By the way, in the carrying process as described above, the carry-in gutter 102
The left and right side walls 103, 103 ′ of the upper surface are opened 104, and the side wall 103 facing the upward rotation direction of the scraping and conveying screw conveyor 105 is formed such that the height thereof is gradually decreased from the supply side toward the conveyance side, so that the inside of the carry-in gutter 102. While being sequentially conveyed by the rotation operation of the scraping / transporting screw conveyor 105 from the supply side to the transporting side, the scraping / discharging action of the scraping / transporting screw conveyor 105 causes a substantially uniform amount of the incoming gutter from the opening 104 of the left and right side walls 103, 103 ′. Dryer body from both sides of 102
Grains that have been scraped out into the 101, filled and stored, and not scraped out and have been transported to the transport end side are dropped and filled into the dryer main body 101 through the dropping port 107. Therefore, the grain carried in by the above-mentioned operation is distributed to the substantially equal amount on both sides of the left and right side walls 103, 103 'whose upper surfaces are opened 104 and its entire length without being influenced by the reduction of the transport amount, and the dryer main body. Grains are filled and stored in 101 in a leveled state.

When a predetermined amount of grain has been originally filled and stored in the dryer body 101 as described above, the grain supply to the carry-in gutter 102 is stopped to finish the carry-in work, and then the filled grain is removed. While circulating and flowing inside the dryer main body 101, dry hot air is blown to the grains that are circulating and flowing, and dried to a predetermined water content,
The dried grain may be carried out of the dryer main body 101 as appropriate.

[Embodiment] An embodiment of a grain distribution device in a grain dryer according to the present invention will be described with reference to the accompanying drawings.

In the drawing, 101 is a dryer main body which is entirely formed in a horizontally long rectangular tube shape, and a horizontally long bottomed carry-in gutter 102 having an open upper surface 104 is horizontally arranged at an upper position in the dryer main body 101. It is set up.

Then, the carry-in gutter 102 is a left and right side wall with an open upper surface 104.
Rotatable scraping conveyor screw conveyor 10 with 103, 103 'and the same outer diameter inside the carry-in gutter 102.
The side wall 103 facing the upward rotation direction of the scraping and conveying screw conveyor 105 while the storage shaft 5 is mounted on the storage shaft is formed to be gradually lower from the supply side toward the conveyance side. Still the other side wall 103 ', that is, the side wall 10 facing the downward rotation direction of the scraping and conveying screw conveyor 105.
3'is lower than one side wall 103 and is erected horizontally. Reference numeral 107 is a drop opening that is opened in the bottom wall 106 of the carry-in gutter 102 on the end-of-transport side. Reference numeral 108 denotes an elevator attached to one side of the dryer main body 101, and the upper portion of the elevator 108 is connected to the supply side of the carry-in gutter 102.

In the embodiment shown in FIG. 5, a larger amount of grain is scraped out and discharged into the dryer main body 101 over the entire length of the carry-in gutter 102 over the side wall 103 facing the upward rotation direction of the scraping / transporting screw conveyor 105. When the installation position of the carry-in gutter 102 in the case of being filled with is selected, and the grain dryer of the embodiment has the grain, the side wall 103 of the carry-in gutter 102 is filled with grain.
If the position to be more scraped out is set to the central position of the dryer main body 101, that is, if the carry-in gutter 102 is installed at a position shifted to one side from the center of the dryer main body 101, a pile of grains is formed in the center, and the flow unevenness is formed. It can be dried uniformly without causing Further, the embodiment shown in FIG. 6 shows a grain distribution device capable of accomplishing uniform grain distribution work without being influenced by the nature, type, etc. of grain. In the example, the side wall 103 ″ facing the upward rotation direction of the scraping and conveying screw conveyor 105
Are formed at the same height over the entire length, and the side wall 10
On the 3 ″ side, from the supply side to the conveyance side, attach the adjusting plate 109 whose height is sequentially reduced with the tightening tool 111 so that the vertical sliding movement can be adjusted with respect to the side wall 103 ″ about the shaft 110 as the center. is there.

[Effects of the Invention] In short, the present invention has the left and right side walls with the upper surface opened, in which the rotatable scraping and conveying screw conveyor 105 having the same outer diameter is housed in the upper position of the dryer main body 101. Further, the side wall 103 facing the upward rotation direction of the scraping and conveying screw conveyor 105, which is provided with 103 and 103 ', has a horizontally long bottomed horizontally long loading gutter 102 which is gradually formed from the feeding side toward the feeding side, and the loading gutter 102 is horizontally arranged. Since the drop port 107 is opened in the bottom wall 106 of the transfer end side of 102, the carry-in gutter 10
Even when a large amount of grain is carried into the supply side of 2, the grain is evenly distributed over the entire length in the longitudinal direction from the left and right side walls 103 and 103 'of the upper opening 104 by the scraping and discharging action by the rotation of the scraping and conveying screw conveyor 105 during the conveying process. Grain that has been transported without being scraped out at the same time as falling and showering into the main body 101 of the dryer is conveyed to the bottom wall 106 on the transport end side.
The drier body 101 can be dropped and filled through a drip opening 107 opened in the.

Therefore, according to the grain distribution device of the present invention, the dryer main body 10
It is possible to carry out a good drying operation for a long period of time by filling and accommodating in a substantially even state without forming a pile in 1.

[Brief description of drawings]

The drawings show an embodiment of a grain distribution device in a grain dryer according to the present invention. Fig. 1 is a partially cutaway vertical front view, and Fig. 2 is a partially cutaway vertical side view. FIG. 3 is an enlarged vertical front view taken along the line AA in FIG. 2, FIG. 4 is a perspective view of a main part with a part cut away, and FIG. 5 is a main part of the grain distribution device in the grain dryer in the second embodiment. FIG. 6 is a partially cutaway front view of the carry-in gutter of the third embodiment, and FIG. 7 is a partially cutaway vertical front view of the conventional device. 101 …… dryer main body, 102 …… carrying gutter, 103, 103 ′ …… left and right side walls, 104 …… top open part, 105 …… scraping conveyor screw conveyor, 106 …… bottom wall, 107 …… falling port

Claims (3)

[Scope of utility model registration request] Claim: What is claimed is: 1. At the upper position of the dryer main body, a rotatable scraping and conveying screw conveyor is installed inside, and left and right side walls having open upper surfaces are provided. The width of the side wall is lower than the supply side and is gradually lower from the supply side to the transfer side. A horizontally long bottomed carry-in gutter is horizontally arranged, and a drop port is opened in the bottom wall of the carry-in gutter at the end of transfer. Grain distribution equipment for grain dryers. 2. The grain distribution device in a grain dryer according to claim 1, wherein the carry-in gutter is horizontally arranged at a position offset from the center in the dryer body by one side. 3. The adjustment in which the side wall facing the upward rotation direction of the scraping and conveying screw conveyor is formed to have the same height over the entire length, and the height of the side wall is gradually lowered from the supply side toward the conveyance side. The grain distribution device for a grain dryer according to claim 1, wherein the plate is mounted on the side wall so that the plate can be vertically slidably adjusted about the axis.