JP2000161853A - Grain dryer for grain drying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent grains from standing at corners in a grain dryer where grains circulate through a grain drying chamber from a flow-down chamber by disposing a resistor plate having L-shaped cross-section between the flow-down chamber and the grain drying chamber thereby equalizing the grain pressure being applied to the left and right side parts of the flow-down chamber and the grain drying chamber. SOLUTION: A pair of flow-down chambers 10 are formed between flow-down plates 8 inclining inner downward from the machine wall 4 on the left/right sides and a chevron central flow-down plate 9 in the center below a grain storage chamber 7. A pair of grain drying chambers 13 are formed between an outer drying net 11 concatenated to the lower end of the flow-down plates 8 on the opposite sides and an inner drying net 12 concatenated to the lower end of the central flow-down plate 9 and a feed out valve 17 is provided at the lower combined part of the grain drying chambers 13, 13. A resistor plate 16 having L-shaped cross-section for dividing the downward grain flow is disposed between the flow-down chamber 10 and the grain drying chamber 13 substantially in the center in the lateral direction thus equalizing the grain pressure being applied to the left and right side parts of the flow-down chamber 10 and the grain drying chamber 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a left and right downflow chamber provided between a left and right downflow plate below a grain storage chamber and a mountain-shaped central downflow plate at a central portion. And a grain drying chamber on both the left and right sides provided to be inclined downward and inward between the outer drying net and the inner drying net connected to the lower end of the and the central falling plate,
In the apparatus provided with a feed valve at the junction at the lower part of the grain drying chamber, an L for dividing the flow of the grain flowing down is provided at a substantially central portion in the left-right direction between the falling chamber and the grain drying chamber. This is a technique in which a U-shaped resistance plate is provided, and can be used as a grain drying device of a grain dryer.

[0002]

2. Description of the Related Art Grains stored in an upper grain storage chamber are:
From the right and left downflow chambers formed between the left and right downflow plates inclined to the lower inside and the central mountain-shaped downflow plate at the center,
The left and right grain drying chambers formed between the outer drying net and the inner drying net which are connected to the lower end of each of the downflow plates and the central downflow plate and are inclined to the lower inside are formed at the junction of the lower portions of the respective drying chambers. , And flows down by the rotation of a delivery valve provided at the outlet. In each of the drying chambers, the grains are exposed to dry hot air while being repeatedly circulated, and dried.

[0003]

When the grain to be dried has a high moisture value, or when there is a large amount of straw chips and culm cuts,
When the pressure of the grain applied to the falling plate and the central falling plate is different, the grain may stagnate in the corner formed by the left and right machine walls and the left and right falling plates inclined to the lower inside. Then, the grain sometimes becomes a dry spot, but the present invention is intended to solve this problem.

[0004]

For this purpose, the present invention is directed to a flow-down plate 8 which inclines from the machine walls 4 on the left and right sides to the inner lower side below a grain storage chamber 7 for storing grains. Left and right side flow-down chambers 10 formed between a mountain-shaped central flow-down plate 9
Are formed between the outer drying net 11 connected to the lower end of the falling plate 8 on both sides and inclined downward to the inside, and the inner drying net 12 connected to the lower end of the central falling plate 9 and inclined downward to the inside. In the grain drying machine provided with the grain drying chambers 13 on both the left and right sides, and a delivery valve 17 for feeding out grains at a joining portion below the grain drying chambers 13, 13, the falling chamber 10 and the grain drying chamber are provided. A grain drying apparatus for a grain dryer, characterized in that a resistance plate 16 having an L-shaped cross section for dividing a flowing grain is provided at a substantially central portion in the left-right direction across the chamber 13. Configuration.

[0005]

The grains stored in the upper grain storage chamber 7 are as follows.
Left and right downflow chambers 1 formed between left and right downflow plates 8 inclined to the lower inside and a mountain-shaped central downflow plate 9 at the center.
0, the outer drying net 11 and the inner drying net 12 which are connected to the lower end of each of the downflow plates 8 and the central downflow plate 9 and are inclined downward to the inside.
The left and right grain drying chambers 13 formed between them are discharged and flowed down by the rotation of a discharge valve 17 provided at the confluence portion below each of the drying chambers 13. And the drying chamber 13, an L-shaped resistance plate 16 provided at the center in the left-right direction allows the flow-down chamber 1
The grains flowing down in the drying chamber 13 are divided and fed down. The grains in each of the drying chambers 13 are exposed to dry hot air while being repeatedly circulated, and are dried.

[0006]

According to the present invention, the grains to be dried by the repetition of the circulation from the falling chamber 10 to the grain drying chamber 13 are dried by the resistance plate 16 to remove the grains that are applied to the left and right sides of the falling chamber 10 and the drying chamber 13. The pressure is equalized, and the grain does not stay at the corner formed by the machine wall 4 and the falling plate 8, so that the drying of the grain during drying can be prevented.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. The illustrated example shows a state in which a moisture sensor 2 for detecting the moisture of grains, a burner 3 for generating hot air, and the like are mounted on a circulation type grain dryer 1 for drying grains. The dryer 1 is formed in a rectangular shape that is long in the front-rear direction and includes front and rear, and left and right machine walls 4. A transfer gutter 5 having a transfer spiral rotatably mounted thereon, and a ceiling plate are provided above the machine walls 4. 6 is provided, and a grain storage chamber 7 for storing grains is formed below the ceiling plate 6.

[0008] Below the storage chamber 7, between a falling plate 8 inclined to the lower inside and a central falling plate 9 having a mountain-shaped cross section at the center, on the inner surfaces of the machine walls 4 on both the left and right sides. And a substantially V-shaped flow-down chamber 10 provided on both left and right sides. An outer drying net 11 is provided below the flow-down chambers 10, 10 and connected to the lower end portions of the flow-down plates 8, 8 so as to be inclined inward and downward.
A grain drying chamber 13 is provided on both left and right sides of the central drying plate 9 so as to be connected to the lower end of the central flow-down plate 9 and inclined downward to the lower inside.

An exhaust chamber 14 is provided below the central flow-down plate 9 at the center and between the drying chambers 13 and 13. Further, the blower chamber 15 is located below the falling plates 8 on both the left and right sides,
It is provided outside of 3 and 13. In the blower chamber 15, a hot air temperature sensor 15a for detecting the temperature of the dry hot air is provided. A predetermined upper position from the lower end of the flow-down chamber 10 and a predetermined lower position from the upper end of the drying chamber 13, and furthermore, at a substantially central position in the left-right direction between the flow-down chamber 10 and the drying chamber 13, In this configuration, a resistance plate 16 having a substantially L-shaped cross section is provided between the front and rear machine walls 4 and 4 on both left and right sides. With this resistance plate 16, the grains flowing down in the flow-down chamber 10 and the drying chamber 13 are divided, and the pressure of the grains applied to the flow-down plates 8 on the left and right sides and the central flow-down plate 9 at the center is equalized. Then, the grain is prevented from stagnating in the triangular corners (a) formed by the machine walls 4 on the left and right sides and the respective falling plates 8.

The resistance plate 16 may be formed of a plate material, and as shown in FIG. 2, has a structure in which countless passing holes 16a are provided so that grains flowing down can be passed on either side in the left-right direction. In addition, the configuration is such that the ventilation resistance of the dry hot air passing through the drying chamber 13 is prevented and the pressure of the grains applied to the resistance plate 16 is reduced. The upper end of the resistance plate 16 is bent inward, and the bent portion is rounded to prevent hanging of straw chips and culm.

At the confluence at the bottom of each drying chamber 13, a positive
It has a configuration in which a delivery valve 17 that is driven in reverse rotation to feed and flow the grains in the storage chamber 7 through the flow-down chambers 10 and into the drying chambers 13 is pivotally supported. The feed valve 17 has a configuration in which a grain is alternately drawn from upper and lower drying chambers 13 and 13 at an upper portion, and a suction port 17b is provided at an outer peripheral portion of a cylindrical tube 17a which discharges the grain at a lower portion.

The grain collecting gutter 18 has a structure in which a transfer spiral is rotatably supported on a shaft, and is provided below each of the drying chambers 13 so as to communicate with each other. When the feed valve 17 rotates and the suction port 17b of the feed valve 17 comes to a lower discharge position for discharging the grain, a photoelectric type ON-OFF switch type position sensor 17c for detecting the suction port 17b. To
For example, it is configured to be provided on the support plate 17d inside the rear machine wall 4.

A box-shaped bar is provided at a front portion in the exhaust chamber 9.
A burner 3 is mounted in the burner case 19. On the outer surface of the front side machine wall 4 where the blower chambers 15 and the respective drying chambers 13 are located, a blower case 20 through which a box-shaped dry hot air passes is formed, and the blower case 20 is formed. The outer surface of the front plate is provided with a box-shaped suction case 21 for sucking outside air. The hot air generated from the burner 3 and the outside air sucked from the suction case 21 are mixed in the blower case 21 to form dry hot air, and the dry hot air is mixed with the blower case. A configuration is adopted in which the drying chambers 13 and 13 are cross-ventilated from 20 through the blowing chamber 15.

On the outer surface of the rear machine wall 4 where the exhaust chambers 14 and 14 are located, an exhaust path case through which box-shaped exhaust air passes.
A ventilator 23 is provided on the outer surface of the rear plate forming the ventilating path case 22. The ventilator 23 allows the ventilating chambers 14 and 14 to pass through the ventilating case. The hot air used for drying is exhausted to the outside of the machine through a fan 22, and the air blower 23 is driven to rotate by an air blower motor 23a.

The valve motor 24 is configured to rotate forward and backward. The valve motor 24 is provided on the rear wall 4 and the forward rotation of the valve motor 24 is commanded via a CPU 26 of a control device 25 which will be described later. As a result, the valve motor 24 is driven to rotate forward, the feed valve 17 is driven to rotate forward, and the grains are pumped from the drying chamber 13 on one side at the pumping port 17b of the cylindrical body 17a of the feed valve 17. When the suction port 17b comes to a lower discharge position for discharging the grain, the grain is discharged from the suction port 17b and the position sensor 17b.
c, the pumping port 17b is detected, and this detection is input to the CPU 26 of the control device 25, and the CPU 26
Outputs a stop command for the forward rotation of the valve motor 24, and the forward control of the valve motor 24 is stopped and controlled by this command.
Stop control is performed at a lower discharge position where the kernel is discharged, and the control is stopped for a predetermined time.

When the predetermined time is over, a command for starting the reverse rotation of the valve motor 24 is output from the CPU 26 of the control device 25.
4 is driven in reverse rotation, and the delivery valve 17 is driven in reverse rotation, so that the suction port 17 of the cylindrical body 17a of the delivery valve 17 is rotated.
b, the kernels are pumped from the drying chamber 13 on the other side, and the outlet 17b is moved to a lower discharge position for discharging the kernels.
Comes out from the pumping port 17b,
This pumping port 17b is detected by the position sensor 17c,
In response to this detection, the CPU 26 of the control unit 25 outputs a stop command for stopping the reverse rotation of the valve motor 24, and the reverse rotation of the valve motor 24 is controlled to be stopped by this command. 17b is controlled to stop at a lower discharge position where the kernel is discharged, and is stopped for a predetermined time.

Each of the drying chambers 1 is driven by the forward rotation drive and the reverse rotation drive repeatedly.
The grains in the drying chambers 13 and 13 are alternately pumped, and the grains in the drying chambers 13 and 13 are dried by repeating the circulation. Also, the suction port 17 of the feed valve 17 is provided.
The stop position of b is configured to always stop at the lower discharge position for discharging the grain.

The fuel pump 29 has a fuel valve,
The fuel pump 29 sucks the fuel in the fuel tank 30 and supplies it to the burner 3 by opening and closing the fuel valve. Blower 31
Is provided in a burner tube 32 of the burner 3, and the burner tube 3
The rotational speed of the motor is controlled by a variable speed blower motor 33 provided in the motor 2, and combustion air corresponding to the amount of supplied fuel is blown to the combustion portion of the burner 3 by the blower 31. Burner 3
The hot air generated from the air and the outside air passing through the suction case 21 are mixed to form dry hot air.

The diffusion board 34 is provided at the center in the front-rear direction of the bottom plate of the transfer gutter 5 and below the supply port for supplying the transfer kernels to the storage room 7, and the diffusion kernels are uniformly diffused and reduced to the storage room 7. ing.
The grain raising machine 35 is provided on the outer side of the machine wall 4 on the front side, and a belt with a bucket conveyor 36 is stretched inside the machine. The lower end portion is provided with a supply gutter 38 and communicates with the end portion of the grain collecting gutter 18.

The grain raising machine motor 39 includes a bucket conveyor 3
The belt with 6, the transfer spiral in the transfer gutter 5, the diffusion plate 34, and the transfer spiral in the grain collecting gutter 18 are rotationally driven. The moisture sensor 2 is provided substantially at the center of the grain raising machine 35 in the vertical direction. The moisture sensor 2 is rotated by the transmission of an electrical measurement signal from an operation device 40 which is detachably provided on the front plate of the blower case 20 to rotate the moisture motor 41 so that each part of the moisture sensor 2 is rotated. The rotation of the bucket conveyor 36 causes the falling of the grains falling while being transported upward by the bucket conveyor 36. While the grains are being pinched and pulverized, the moisture of the pulverized grains is detected.

The operating device 40 has a box shape, and a dryer 1, a moisture sensor 2, a burner 3 and the like are put on a surface plate of the box body, and a pusher is started for each of operations of drying, discharging and discharging. Button-type ON-OFF switch starting means 42, stopping means 43 for stopping operation, moisture setting knob 44 for setting the target finish moisture of the grain by operating position, temperature of hot air generated from burner 3 A grain type setting knob 45 and an inset setting knob 46 set according to an operation position, a display unit 47 for digitally displaying various display items, a monitor display 48, and the like are provided.

The control device 25 is provided in the operation device 40, and detects values detected by the moisture sensor 2, the position sensor 17c, the hot air temperature sensor 15a, etc., each starting means 42, stopping means 43, and each setting knob. And the CPU 26 for performing arithmetic and logical operations and comparison operations on these inputs.
In this configuration, the fuel tanks 23a, 24, 33, 39, 41, the fuel valve, the fuel pump 29, and the like are stopped, and adjustment control is performed. Each of the setting knobs 44, 45, and 46 is a rotary switch type, and predetermined numerical values, types, and the like are set according to operation positions.

At predetermined intervals in the front-rear direction of the left and right machine walls 4, 4, insertion holes 50, 50 for inserting forklift claws 49, 49 are provided as shown in FIGS. Inside the insertion holes 50, 50 inside the left and right machine walls 4, 4,
The storage room 7 formed by the front, rear, left and right machine walls 4
Receiving plates 52, 52 for receiving box-shaped reinforcing boxes 51, 51 for reinforcing the parts are fixedly provided, and after inserting the reinforcing boxes 51, 51 into the receiving plates 52, 52, bolts, nuts and the like are used. , Are mounted on the left and right machine walls 4, 4.

When the assembly of the lower drying chamber 13 and the like is completed, the forklift claws 49 and 49 are inserted into the insertion holes 50 and 50 of the storage chamber 7 and lifted upward to lift the lower part. It is configured to be polymerized and assembled on the upper part of the 13 parts of the drying. Thereby, after assembling the storage room 7 part on the ground, it is lifted upward and polymerized, thereby reducing the number of assembling steps and safely performing the assembling work.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view taken along line AA of FIG.

FIG. 2 is an enlarged side perspective view of a resistance plate partially broken away.

FIG. 3 is a partial cross-sectional overall side view of the grain dryer.

FIG. 4 is an enlarged sectional view taken along line BB of FIG. 3;

FIG. 5 is an enlarged front view of a partially sectioned operating device.

FIG. 6 is a block diagram.

FIG. 7 is a view showing another embodiment, and is an enlarged side perspective view of the left and right machine walls.

FIG. 8 is a view showing another embodiment, and is an enlarged side perspective view of a grain storage unit.

[Explanation of symbols]

 4 Machine wall 7 Grain storage room 8 Flow down plate 9 Central flow down plate 10 Flow down room 11 Outer drying net 12 Inner drying net 13 Grain drying room 16 Resistance plate 17 Feeding valve

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Katsunori Kono 1st Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. (72) Inventor Keiichi Miyazaki 1-Yatsukura, Tobe-cho, Iyo-gun, Ehime Prefecture Engineering Department (72) Inventor Eiji Nishino 1-Yachikura, Tobe-cho, Iyo-gun, Ehime Prefecture, Iseki Agricultural Machinery Co., Ltd. 3L113 AA07 AB04 AC04 AC40 AC41 AC45 AC46 AC52 AC53 AC54 AC57 AC59 AC63 AC67 AC72 AC73 AC74 AC78 AC79 AC82 AC86 BA03 CA02 CA06 CA08 DA06 DA07 DA21 DA24

Claims (1)

[Claims] 1. A lower plate 8 that is inclined downward from the machine walls 4 on both left and right sides and a lower central plate 9 having a mountain-shaped central portion below a grain storage chamber 7 for storing grains. Flowing chambers 10 on both the left and right sides, an outer drying net 11 connected to the lower end of the flow-down plate 8 on both sides and inclined to the lower inside, and an inner drying net connected to the lower end of the central flow-down plate 9 and inclined to the lower inside 12, a grain drying chamber 13 on both the left and right sides formed between the
In a grain dryer provided with a delivery valve 17 for delivering grains at a lower part of the confluence 13, a grain flowing down between the falling chamber 10 and the grain drying chamber 13 is provided at a substantially central portion in the left-right direction. A grain drying device for a grain dryer, wherein a resistance plate 16 having an L-shaped cross section for dividing the flow of grains is provided.