JPH09280735A - Grain storing tank for grain dryer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce cost by making a storing tank, which is disposed on a top side of a lower main body, stores grain and feeds the grain to a grain drying chamber by utilizing gravitational flow, of resin material in a grain dryer wherein drying air is ventilated from a blowing chamber into a grain drying chamber in a rectangular lower main body and is discharged through an air discharging chamber out of an apparatus. SOLUTION: A drier 1 comprises a lower main body 4 having a rectangular shaped elongated in forward and backward directions and a storing tank 5 having a circular- cylinder shape and disposed on a top side of the lower main body 4 and the storing tank 5 is constituted of a wall 6 made of resin material and is provided with a same length in longitudinal direction of a rectangle of the lower main body 4 as a diameter of the cylinder. A gravitational flow chamber 7 is constituted of an inclined plate 8 under the wall 6 of the storing tank 5. An upper conveyor channel 11 having a conveyor screw 10 rotatably provided in a central portion in left and right directions of a ceiling plate 9 made of resin material is provided and a bottom plate 12 is mounted on a bottom of the upper conveyor channel 11. A bent portion 13 is provided on an outer peripheral portion of the ceiling plate 9, which is integrated with the upper conveyor channel 11, and the ceiling plate 9 is mounted in such a manner as to cover a top end of the wall 6 of the storing tank 5.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a grain storage tank of a grain dryer.

[0002]

2. Description of the Related Art Conventionally, a grain placed on an upper side of a rectangular lower mother body and accommodated in a storage tank made of an iron plate is a grain drying chamber in the lower mother body from the storage tank. While flowing down to, the dry air is blown from the air blowing chamber to the grain drying chamber and then exhausted to the outside of the machine through the air exhaust chamber, and the grains flowing down in the grain drying chamber are It is exposed and dried.

[0003]

The material of the storage tank for storing the grains is changed to a resin material to reduce the cost of the iron plate material. In addition, for example, the storage tank is manufactured by making the longitudinal direction of the rectangular shape of the lower base body a diameter of a cylinder to increase the storage capacity of the storage tank. It is intended to lower the total height of.

[0004]

To this end, according to the present invention, in the lower mother body 4 having a rectangular shape, dry air is ventilated from the blower chamber 17 to the grain drying chamber 15 for drying the grains, and the exhaust chamber is provided. 16
In the grain drying machine in which the air is exhausted to the outside through the machine, the grain drying chamber 15 is placed on the upper side of the lower mother body 4 to store the grains.
The grain storage tank of the grain dryer is configured by using a resin material as the material of the storage tank 5 that flows down to the grain.

[0005]

EFFECTS OF THE INVENTION Grains that are placed on the upper side of the rectangular lower base 4 and are stored in the storage tank 5 made of a resin material are the grains in the lower base 4 from the storage tank 5. While flowing down and circulating to the grain drying chamber 15, the dry air is blown from the air blowing chamber 17 to the grain drying chamber 15 and then exhausted to the outside of the machine through the air exhaust chamber 16 while flowing down in the grain drying chamber 15. The grains are exposed to the dry air and dried.

[0006]

Since the storage tank 5 is made of a resin material, the cost can be greatly reduced compared to the iron plate material, and the weight can be reduced to facilitate the assembly. became. Also, for example, the shape of this storage tank 5
By deforming the rectangular longitudinal direction of the lower mother body 4 into a diameter of a cylinder, the storage capacity of the storage tank 5 can be increased. Therefore, even if the dryer has the same throughput, the total height of the storage tank 5 can be increased. This high dryer can be lowered and the adaptability to the workplace where this dryer is installed can be improved.

[0007]

An embodiment of the present invention will be described below with reference to the drawings. The illustrated example is a circulation type grain dryer 1 for drying grains.
It shows a state in which a moisture sensor 2 for detecting the moisture of the grain, a burner 3 for generating hot dry air, and the like are attached.
The dryer 1 is configured to include a rectangular lower base body 4 which is long in the front-rear direction, and a cylindrical storage tank 5 which is placed on the upper side of the lower base body 4.

The storage tank 5 is composed of a machine wall 6 made of a resin material, with the rectangular longitudinal direction of the lower mother body 4 being the diameter of a cylinder, and each storage tank 5 has a machine wall 6 below the machine wall 6. The flow-down chamber 7 is composed of the inclined plates 8 to increase the strength of the lower portion of the storage tank 5 and to reduce the cost of the storage tank 5, and further increase the storage amount to reduce the total height of the dryer 1. It is configured to do. The machine wall 6 may be integrally formed or may be divided into two parts in the left and right directions.

A detection window 51 is provided on the front side of the machine wall 6 that constitutes the storage tank 5 for visually detecting the amount of grain to be swelled. An ON-OFF switch type full amount sensor 52 for detecting the state is provided. The ceiling plate 9 is made of a resin material,
At the center of the ceiling plate 9 in the left-right direction, an upper transfer gutter 11 in which a transfer spiral 10 is rotatably installed in the front-rear direction is provided. The outer peripheral part of the ceiling plate 9 is
It has a configuration in which a bent portion 13 that bends downward is provided, and the ceiling plate 9 and the upper transfer gutter 11 are integrally manufactured,
The ceiling plate 9 is configured to increase the strength and reduce the cost, and the ceiling plate 9 is mounted in a state where the upper end of the machine wall 6 of the storage tank 5 is covered to facilitate the assembly and reduce the number of assembly steps. It is configured.

The outer wall 14 of the lower mother body 4 is made of an iron plate material. Inside the outer wall 14, the grain drying chambers 15 and 15 made of a drying net are communicated with the respective flow-down chambers 7 and are provided on both left and right sides. Provided between the air exhaust chambers 16 and 16 and the central air blowing chamber 17, and below these drying chambers 15 and 15, feed valves 18 for feeding and flowing down the grains are rotatably supported.

The grain collecting trough 19 rotatably supports a transfer spiral 20 and is provided below the drying chambers 15 and 15 so as to communicate with each other. The burner 3 is provided inside the burner case 21, and the burner case 21 is provided on the front side of the front side machine wall 14 so as to correspond to the inlet side of the blower chamber 17.
On the outer surface of the front side machine wall 14, an operating device 22 is provided which is detachably provided on the outer side surface, and which starts and stops the dryer 1, the moisture sensor 2, the burner 3 and the like for each work of drying and discharging. Detachable.

The wind blower 23 is provided on the rear side machine wall 14 and on the central rear side blower cylinder 25, which is provided so as to communicate with the left and right wind blow chambers 16, 16. An exhaust fan motor 26 that rotationally drives the exhaust fan 23 is provided at 14. The valve motor 27 rotationally drives the delivery valves 18, 18 via a speed reduction mechanism.

The fuel pump 28 has a fuel valve,
The fuel pump 28 is provided outside the lower plate of the burner case 21, and the fuel in the fuel tank 29 is sucked by the fuel pump 28 and supplied to the burner 3. Blower 30
Is provided on the outer side of the upper plate, is rotationally driven at a variable speed by a fan motor 31 for speed change, and blows combustion air corresponding to the amount of supplied fuel to the burner 3 by the fan 30. Burner 3
The hot air generated from the burner case and the outside air passing through the burner case 21 are mixed to become dry hot air.

The diffusion plate 32 is provided at the center of the bottom plate of the upper transfer gutter 11 in the front-rear direction, below the supply port for supplying the transfer grains to the storage tank 5, and uniformly diffuses and reduces the grains to the storage tank 5. I am letting you. The grain-sustaining machine 33 is provided on the outer side of the front machine wall 14 and has a belt with a bucket conveyor 34 stretched inside. The upper end of the grain-raising machine 33 has a throw-out pipe 35 between it and the starting end of the upper transfer gutter 11. The lower end portion is provided with a supply gutter 36 and communicates with the terminal end portion of the grain collecting trough 19. A paddy flow sensor 48 for detecting circulating grains is provided in the throwing-out cylinder 35, and the paddy flow sensor 48 includes a rotating plate 49 which rotates with the circulating grains and a rotating plate 49. It is configured by a detection switch 50 and the like which is turned on and off by turning.

The grain elevator motor 37 is connected to the bucket conveyor 3
The belt 4 and the transfer spiral 10 in the upper transfer trough 11, the diffusion plate 32, the transfer spiral 20 in the grain collecting trough 19, and the like are rotationally driven. The moisture sensor 2 is provided substantially in the central portion in the vertical direction of the grain raising machine 33. The moisture sensor 2 is rotated by the moisture motor 38 when an electric measurement signal is transmitted from the operating device 22. Each part is rotatably driven, and receives the grains falling during conveyance to the upper part by the bucket conveyor 34,
The water content of the crushed grain is detected while the grain is crushed under pressure.

The operating device 22 has a box shape and is a push button type in which a dryer 1, a moisture sensor 2, a burner 3 and the like are put on a surface plate of the box body, and the starting operation is performed for each operation of drying and discharging. Each starting means 39 of the ON-OFF switch, stop means 40 for stopping operation, moisture setting picker 41 for setting the finishing target moisture of the grain by the operating position, temperature of hot air generated from the burner 3 by the operating position A grain type setting arrow 42, a penetration amount setting arrow 43 for setting the visually detected infiltration quantity, a display section 44 for digitally displaying various display items, a monitor display, and the like are provided. This operating device 22
Is provided with a harness 52a in which a connecting tool 52b is provided at a tip end for connecting a power source, and the power source is connected to the operating device 22.

The control device 45 is provided in the operating device 22, and the detection values detected by the moisture sensor 2, the hot air temperature sensor 46 and the like, the starting means 39, the stopping means 40 and the setting knobs 4 are provided.
The operation of 1, 42, 43, etc. is input, and it comprises a CPU 47, etc. for arithmetic and logical operations and comparison operations of these inputs, and the CPU 47 uses the motors 26, 27, 31, 37, 3 respectively.
8, start and stop the fuel valve, fuel pump 28, etc.
And a configuration for performing adjustment control and the like. Each setting knob 41,
42 and 43 are of a rotary switch type, and predetermined numerical values and types are set depending on the operation position.

FIGS. 6 and 7 show the use of the thrower 53 in the fried grain circulation of the grain. The thrower 53 is provided on the outside of the front machine wall 14, and the grains that are fried to the upper end by the thrower 53 are made of resin material from the supply port 55 at the center of the ceiling board 54 made of resin material. The structure is such that it is directly supplied into the storage tank 57 manufactured by the circular machine wall 56,
The lower end of the thrower 53 is provided with a supply gutter 36 to communicate with the terminal end of the grain collecting trough 19.

The grains transferred by the transfer spiral 20 in the grain collecting trough 19 are transferred and supplied from the supply gutter 36 into the thrower 53, and are fried to the upper part by the thrower 53, and the feed port 55 of the ceiling board 54. The grains are supplied from the inside to the storage tank 57, and the grains are dried while being circulated. According to the above, the storage tank 57, the ceiling plate 54, and the like are made of a resin material, and the grain-lifting device is the thrower 53 to directly supply the grains into the storage tank 57.
The structure is simplified, and the cost can be greatly reduced, and the number of assembling steps can be greatly reduced.

FIG. 8 shows a ventilation drying control in which the grains are dried by the outside air. The operations of loading, drying and discharging the dryer 1 are performed as follows. In each of the above-mentioned works, the power source is connected by the operation of the connection means 59, the power is turned on, and when the start-up work is started, when the start-up means 39 for starting the work-in operation is operated, the dryer 1 Is started, and the grains are put into the dryer 1, and when the storage tank 5 is filled with the filled grains, the full amount sensor 52 detects this full state, and this detection is performed. Is input to the CPU 47, or the stopping means 4
0 is operated, and this operation is input to the CPU 47, or either one of these is automatically controlled to stop the dryer 1.

When starting the drying operation, each setting scoop 4
When 1, 42, 43 are operated and the starting means 39 for starting the drying operation is operated, the dryer 1 is started and the grain is dried by the dryer 1, and at the same time, the moisture sensor 2 is dried. The water content in the grain is detected, and the detected water content in the CPU
47, and the CPU 47 compares the detected grain moisture with the finishing target moisture set by operating the setting knob 41, and the detected grain moisture is the same as the finishing target moisture or the following is detected. Alternatively, the dryer 1 is automatically stopped by operating the stop means 40 and inputting this operation to the CPU 47.

When starting the discharging work, when the starting means 39 for starting the discharging work is operated, the dryer 1 is started, and the dried grains are discharged from the dryer 1 to the outside of the machine. The paddy flow sensor 48 is turned off, and when it is turned off, it is detected that the grain is not circulating.
When the paddy flow sensor 48 is detected not to be turned on for a predetermined time, for example, 4 minutes or more after the input to U47 and this detection is input, it is determined that the discharge is completed. The dryer 1 is automatically stopped by either the detection, the operation of the stop means 40, and the input of this operation to the CPU 47.

Initialization of the amount of swelling setting (initialization of the amount of swelling is ventilation drying by outside air) is controlled so that the paddy flow sensor 48 is turned off when the power is on, and the control is continued for a predetermined time or more.
If the discharging operation is automatically stopped and the starting means 39 for starting the drying operation without changing the settings is operated after the discharging operation is completed without performing the N operation, the amount of swelling is set in the preceding stage of hot air drying. The configuration is such that the initialization (ventilation drying) is performed, and when the discharging work is stopped by the operation of the stopping unit 40, the initialization of the stake amount setting (ventilation drying) is not performed,
For those who want to initialize the amount of swelling (ventilation drying), the discharge work should be automatically stopped. For those who do not want to initialize the amount of swelling (ventilation drying), stop the discharge work. The stop means 40 may be manually stopped by manual operation.

The operating device 22 is operated by operating the connecting means 59.
Is energized and the power is turned on (step 101), and the initialization of the amount of swelling (ventilation drying) is set and stored (step 102). When the drying of the grain is completed and the starting means 39 for starting the discharging operation is operated and turned on, the dryer 1 is started (step 103), and the stopping means 40 is operated and turned on, and the dryer 1 is operated. Is stopped (step 104), or the paddy flow sensor 48 is turned off, and when this off state has passed for a predetermined time, the dryer 1 is stopped (step 105), and this step 105 is executed by the CPU.
When it is input to 47, it is controlled to perform the initialization of the amount of swelling (ventilation drying).

When the starting means 39 for starting the drying operation is operated and turned on, the dryer 1 is started (step 10
6) The initialization of the amount of swelling (ventilation drying) is started, and the setting and storage is performed for a predetermined time (step 107). When the initialization of the amount of swelling (ventilation drying) is completed, hot air drying is started ( Step 108), the stop means 40 is operated and O
If it is N, the dryer 1 is manually stopped (step 109), or if the detected grain moisture detected by the moisture sensor 2 is the same as the finish target moisture set, or if the following is detected, The dryer 1 is automatically stopped (step 11).
0). The start of the staking operation is controlled as shown.

9 to 13 show the construction of the moisture sensor 58 for detecting the moisture of the grain and the control of the moisture sensor 58. The moisture sensor 58 is provided on the grain raising machine 33,
The moisture sensor 58 is formed in a box shape, and the upper part inside the box 59 receives the grains from the grain raising machine 33 through the upper part of the box 59 and transfers the grains one by one. A transfer roller 61 having a shallow transfer spiral groove 60a and a deep transfer spiral groove 60b is mounted on a transfer roller shaft 62 that is rotatably supported. A transfer guide plate 63 that transfers and guides is provided so as to be supported, and a gear 64 is provided at the shaft end of the transfer roller shaft 62.

The guide plate 65 is formed in a triangular shape, and the grains fed into the transfer spiral groove 60a of the transfer roller 61 one by one and transferred are discharged to the upper part of one side of the guide plate 65. The remaining grains that have not been drawn into the transfer spiral groove 60a are taken into the transfer spiral groove 60b and transferred, and are discharged to the upper part on the other side of the guide plate 65, and the discharge gutter 66 is discharged. After that, it is returned to the sublimation machine 33.

The moisture detecting rollers 67a and 67b are rotatably supported on the lower side of the guide plate 65 by the detecting roller shafts 68a and 68a.
The grains that are mounted on the 68b and are supplied by the guide plate 65 one by one are received between the moisture detection rollers 68a and 68b and crushed under pressure, and the electric resistance value of the crushed grains is detected. The resistance value is replaced with the moisture value to detect the grain moisture. A gear 69 is provided at the shaft end of the detection roller shaft 68a, and a two-stage gear 70 is provided at the shaft end of the detection roller 68b.

The scrapers 71, 71 include scraper shafts 72, which are rotatably supported below the moisture detecting rollers 67a, 67b.
The crushed grain, which is attached to 72 and which has been subjected to the moisture detection and adhered to the moisture detection rollers 67a and 67b, is removed.
The crushed grain after moisture detection is received by the discharge trough 66 and discharged into the sublimation machine 33.

The moisture motor 38 is provided in the vicinity of the transfer roller 61, and a gear 73 is provided at the end of the shaft. By rotating the moisture motor 38, the two-stage gear 70 meshing with the gear 73 is driven to rotate. , A configuration in which the moisture detection roller 67b is rotationally driven via the detection roller shaft 68b,
Gear 69 meshing with the two-stage gear 70, and gear 6
4 is rotationally driven, the moisture detection roller 67a is rotationally driven via the detection roller shaft 68a, and the transfer roller 61 is rotationally driven via the transfer roller shaft 62.

A printer 74 for printing the detected grain moisture value is provided above the box 59.
The discharge port 75 for discharging the print paper printed in
It is provided on the upper front side of the box 59. On the lateral side of the box 59, a harness 76 having a connector 77 at the tip is provided, and the connector 77 is connected to the operating device 92 of the dryer 1. The power supply is connected by this connection. ,
It is configured to detect grain moisture of various controls and print out.

The moisture meter CPU 78 is provided in the box 59, supplies the moisture value of the detected grain to the moisture meter CPU 78, and supplies the grain from the outside, and when the moisture value of the grain is detected, this supply is performed. A detection signal of an external measurement sensor 79 for detecting a grain,
In order to correct the detected grain moisture value according to the outside air temperature, the temperature sensor 80 for detecting the outside air temperature and the like are input, and the moisture meter CPU 78 is used to operate the moisture motor 38 and the printer 74. As a configuration for controlling start and stop, and storing various data in the data storage unit 81, the detected grain moisture value is sequentially stored,
By printing the stored detected moisture value with the printer 74, a change in the detected grain moisture value during drying,
Also, it is configured so that the rate of dry loss of the grain for each time period can be known.

The moisture display device 82 is formed in a box shape,
On the surface portion of the box body 83, a display portion 84 for displaying various display data and an ON-display for displaying various display data.
An OFF switch type display unit 85, a printing unit 86 for instructing printing by the printer 74, and the like are provided. On the lateral side of the box 83, a harness 87 having a connector 88 at its tip is provided, and the connector 88 is connected to the moisture sensor 58. By this connection, display control of various data is performed. It is configured.

A CPU 78 for a moisture meter is provided in the box 83.
A display CPU 89 to which various data are input from, a display substrate 90, and various data storage units 91 are provided, and the display means 8 is provided.
5, the display unit 84 is configured to display various data such as the detected grain moisture value, the finishing target moisture value, the production name, the arrival date, the shipment date, etc., and the printer 74 is operated by the operation of the printing unit 86. Various data are printed, and the printed print paper is discharged from the discharge port 75 of the moisture sensor 58.

The operating device 92 of the dryer 1 is formed in a box shape, and inside the box body 93, a power board 94 for the dryer,
The harness CPU 76 for the moisture sensor 58 is provided with the dryer CPU 95, the dryer display substrate 96, and the like.
When the connection tool 77 is connected to the operating device 92, the power source board 94 for the dryer and the moisture meter C for the moisture sensor 58 are connected.
It is configured to be connected to the PU 78 and to send an instruction to detect the moisture content of the grain.

The moisture sensor 58 is connected to the connector 88 of the moisture display device 82 (step 201), and the moisture sensor 5 is connected.
8, the detected grain moisture value, the finishing target moisture value and the like are input to the data storage unit 81 via the moisture meter CPU 78 and the display CPU 89 of the moisture display device 82 (step 202). The display means 85 of the water content display device 82 is turned on (step 203), various display data is displayed on the display portion 84 of the water content display device 82 (step 204), and the printing means 86 of the water content display device 82 is displayed. It is turned on (step 205), and the detected grain moisture value printed by the printer 75 is discharged from the discharge port 75 of the moisture sensor 58 (step 206).

As described above, even if a problem such as a slow drying speed of the grain occurs in the market, the moisture value of the grain detected by the moisture sensor 58 is output by the printer 74 so that each time zone It is possible to easily determine whether the drying speed is good or bad by knowing the dryness reduction rate of each grain and the state of change in the moisture content of the detected grain. It is also easy to improve the dry loss rate by changing the loss rate.

[Brief description of drawings]

 FIG. 1 shows an embodiment of the present invention.

[Fig. 1] Side view of a grain dryer

FIG. 2 is an enlarged sectional view taken along the line AA of FIG. 1;

[Fig. 3] Plan view of a grain dryer

FIG. 4 is an enlarged front view of the operating device of the grain dryer.

FIG. 5 is a block diagram.

FIG. 6 is a side view of the grain dryer, showing another embodiment.

FIG. 7 is a view showing another embodiment, and is an enlarged cross-sectional view taken along the line BB of FIG.

FIG. 8 is a flow chart showing another embodiment.

FIG. 9 is a view showing another embodiment, which is an enlarged sectional view of a moisture sensor.

FIG. 10 is a view showing another embodiment, which is an enlarged rear view of the moisture sensor.

FIG. 11 is a view showing another embodiment, which is an enlarged front view of the moisture display device.

FIG. 12 is a block diagram showing another embodiment.

FIG. 13 is a flowchart showing another embodiment, and is a flowchart.

[Explanation of symbols]

 4 Lower body 5 Storage tank 15 Grain drying chamber 16 Air exhaust chamber 17 Air blowing chamber

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor, Keiichi Miyazaki, No. 1 Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture, Engineering Department, Iseki Agricultural Machinery Co., Ltd. Technical Department (72) Inventor Takashi Uehara 1 Yakura, Tobe Town, Iyo-gun, Ehime Prefecture

Claims (1)

[Claims] 1. A grain drying system in which a drying air is blown into a rectangular lower mother body 4 from a blower chamber 17 to a grain drying chamber 15 for drying grains and is exhausted to the outside of a machine through a ventilation chamber 16. In the machine, a grain storage tank of a grain dryer in which the material of a storage tank 5 which is placed on the upper side of the lower mother body 4 to store the grains and supplies the grains downwardly to the grain drying chamber 15 is a resin material.