JPH04334557A - Operation control method for grain hulling device - Google Patents

Abstract

PURPOSE:To hull grain by using a huller having a different sorting method selected based on each of the water contents of dried grains. CONSTITUTION:When the water content of unhulled grain detected by a water content sensor 24' exceeds a predetermined value, the grain is sent for the hulling operation to a huller 4 having sorting method, when the detected water content is within a predetermined range, to a huller 3 having a rotating sorting method and, when the detected water content is not above the predetermined value, to a huller 2 having a rocking sorting method. By selecting the huller based on the water content of dried grain, therefore, the hulling ability is improved and the hulling operation can be carried out satisfactorily.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation control system for grain processing equipment.

0002

[Prior Art] Conventionally, dried grains sequentially discharged from a plurality of grain dryers are supplied to a single huller installed to hull the grains, and are hulled to form rice husks. It was an operation control system in which brown rice and brown rice were sorted and discharged separately to the outside of the machine.

0003

[Problems to be Solved by the Invention] The grains stored in each grain dryer are exposed to hot air and dried while being circulated within the dryer, and when drying is completed, the dried grains are dried. The rice is supplied to one huller, where it is hulled and separated into rice husks and brown rice, which are separately discharged outside the machine.

[0004] The finishing target moisture content may differ slightly between farmers, and there are various types of rice hulling machines with different sorting methods, such as a rotary sorting huller, a swinging sorting huller, and a Mangoku sorting huller. There are several types of hullers, and the performance of these machines also differs depending on the moisture content of the grains being hulled.For this reason, the huller to be used is selected depending on the moisture content of the dried grains being hulled. The aim is to maximize the performance of the sliding machine.

[0005]

[Means for Solving the Problems] The present invention provides an oscillating sorting huller 2, a rotary sorting huller 3, a rotary sorting huller 3, and And in a grain processing device provided to supply the rice to the Mangoku sorting huller 4 for hulling, the oscillating sorting paddy is subjected to different sorting methods based on the moisture content of the dried grains discharged from the dryer 1. It is configured with an operation control system characterized in that the rice is supplied to any one of the milling machine 2, the rotary sorting and hulling machine 3, and the mangoku sorting and hulling machine 4 for hulling.

[0006]

[Operation of the invention] The grains stored in each grain dryer 1 are
While being circulated in this dryer 1, the grains are exposed to hot air and dried, and during this drying, the grain moisture is detected, and when the detected grain moisture reaches the finishing target moisture content, drying is considered to have ended. When the drying is stopped and the moisture content of the dried grains is higher than a predetermined moisture content, the grains are supplied to the Mangoku sorting huller 4, and when the predetermined moisture content is within the range of the dried grains, The grains are supplied to the rotary sorting huller 3, and when the moisture of the dried grains is low, below a predetermined moisture content, the grains are supplied to the oscillating sorting huller 2. The rice is hulled in machines 2, 3, and 4, separated into chaff and brown rice, and then discharged separately from the machine.

[0007]

Effects of the Invention According to the present invention, the oscillating sorting huller 2, the rotary sorting huller 3, and the Mangoku sorting huller 4, which have different sorting methods, are selected depending on the moisture content of dried grains. By supplying the rice grains for hulling, the performance of the hulling machines 2, 3, and 4 can be maximized due to grain moisture, and the hulling capacity has also been greatly improved.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The illustrated example shows a grain processing device 4', in which a plurality of grain dryers 1 for drying grains, for example, four grain dryers 1 are arranged, and a grain storage tank 5 for storing grains is provided on either side. A oscillating sorting huller 2, a rotary sorting huller 3, and a Mangoku sorting huller 4 are installed to hull the grains, and on the other side, a stake hopper 6 for receiving the grains is installed at the bottom. It has a structure in which a grain hoisting machine 7 is provided.

At the rear side of each of the dryers 1, the grains supplied from the pitching machine 7 are received by a pitching transfer device 8 rotatably equipped with a pitching conveyor or the like. 8 is provided to transfer and supply the grains to each dryer 1, and the dried grains discharged from each dryer 1 are transferred to a discharge transfer device 9 rotatably equipped with a discharge conveyor or the like. The grains are transferred by the discharge transfer device 9 to the discharge grain raiser 10.
The grains are provided to be supplied to the lower discharge hopper 11, and the grains transported to the upper part by the discharge hoist 10 are transferred to the grain storage tank 5.
The structure is such that it is discharged into the interior and stored.

The moisture content of the grains stored in the grain storage tank 5 is compared with a predetermined moisture content, and based on the comparison result, the grains in the grain storage tank 5 are separated from the grains in the oscillating sorting huller 4.
, the rotary sorting and hulling machine 3, and the Mangoku sorting and hulling machine 4. A tank discharge funnel 12 is provided below the grain storage tank 5.
A switching valve 12' and a switching valve 13 are rotatably provided in the switching valve 2, and the switching valve 12' and switching valve 13 are configured to be rotated by a switching valve motor 13' and a switching valve motor 14 that rotate in forward and reverse directions. When the switching valve 12' is open, the grains are connected to the oscillating sorting huller 2 and the rotary sorting huller 3, and the grains pass through the flow tube 14' and the two-stage switching valve 14'' switches between normal and reverse directions. It is configured to be opened and closed by a rotating two-stage switching motor 15'' and supplied to either the oscillating sorting and hulling machine 2 or the rotary sorting and hulling machine 3, and when the switching valve 13 is open, the It is connected to the Mangoku sorting and hulling machine 4, and the grains are supplied to the Mangoku sorting and hulling machine 4 through a falling tube 15'.

[0011] The grain processing device 4 includes each of the dryers 1,
The hulling machine 2, 3, 4, the grain storage tank 5, the pitching/discharging transfer device 8, 9, and the pitching/discharging grain hoist 7,
The configuration includes a central control device 15 etc. which controls the operation of 10 etc. The dryer 1 includes a storage chamber for storing grains from the upper part, a plurality of drying chambers for drying the grains, and a feeding valve for feeding and flowing the grains at the bottom of each drying chamber.
A ventilation chamber and a ventilation chamber are provided on the left and right sides of this drying room, and a grain collection gutter equipped with a transfer spiral is provided on the lower side, and a transfer gutter 16 equipped with a transfer spiral and a ceiling plate are provided on the upper side of the storage chamber. established,
A supply port for supplying grains to be transferred was provided on the bottom plate at the center in the front and back direction of the bottom plate of the transfer gutter 16, and a diffusion plate was provided below the supply port for uniformly dispersing the grains into the storage chamber. It is structured as follows.

A drying discharge funnel 17 for discharging grains is provided on the bottom plate at the starting end of the transfer gutter 16.
There is provided an on-off valve 19 that can be opened and closed by an on-off motor 18 that rotates in forward and reverse directions, and when this on-off valve 19 is open, the grains are transferred from the drying discharge funnel 17 through the discharge tube 20 to the discharge transfer device 9.
In addition, in the closed state, the liquid is transferred by the transfer spiral and diffused and supplied into the storage chamber by the diffusion plate.

A hot air device 21 communicating with the ventilation chamber is provided on the front wall of the dryer 1, and an air exhaust device 22 is provided on the rear wall.
The hot air from the hot air device 21 is passed through the drying chamber from the ventilation chamber, passes through the ventilation chamber, and is sucked and exhausted by the ventilation device 22. A circulating grain raising machine 23 equipped with a belt with a bucket conveyor is installed on the outside of the rear wall plate of the dryer 1, the upper part is provided with a dispensing tube 23' to communicate with the starting end of the transfer gutter 16, and the lower part is A supply gutter 24 is provided and communicated with the terminal end of the grain collection gutter.

One side of the circulation grain raising machine 23 receives grains that fall while being transported to the upper part by the bucket conveyor, crushes the grains under pressure, and at the same time detects the moisture content of the crushed grains. A moisture sensor 24' is provided, and this moisture sensor 24'
Each part is configured to be rotationally driven by the rotation of a moisture motor 25, and this moisture motor 25 is configured to rotate in response to transmission of a measurement signal from the central control device 15. A taste sensor 25' is provided on the side to receive the grains falling from the bucket conveyor and detect the taste of the grains.

A full amount sensor for detecting the full amount of grains is provided in the upper part of the grain storage tank 5, and a grain sensor is provided in the lower part for detecting the presence or absence of grains. The oscillating sorting huller 2 receives grains supplied through the grain storage tank 5, the tank discharge funnel 12, and the flow tube 14', and hulls the grains in the huller 2. The rice is hulled between hulling rolls provided to remove the rice, separated into rice husks and brown rice by a swinging sorting device and a wind sorting device, and then separately discharged to the outside of the machine.

The rotary sorting huller 3 includes the grain storage tank 5, the tank discharge funnel 12, and the downflow tube 14'.
A rotary sorting device is provided to receive the grains supplied through the hulling machine 3 and to separate the grains into rice husks and brown rice. and a wind sorting device, and are separately discharged outside the machine.

The mangoku sorting huller 4 includes the grain storage tank 5, the tank discharge funnel 12, and the downflow pipe 15'.
The grains supplied through the hulling machine 4 are hulled between the hulling rolls provided to hull the grains, and then are separated into rice husks and brown rice by a mangoku sorting machine. It is configured to be sorted by a device and a wind sorting device and discharged separately to the outside of the machine.

The central control device 15 has a box shape, and on the surface plate of the box there are selection switches 26 for selecting each of the dryers 1, and start switches 26 for starting each of the loading, drying, and discharging operations. Switch 27, stop switch 28 for stopping operation
, a variety setting selection 29 for setting the variety of grain to be dried in each of the dryers 1, and a moisture setting selection 3 for setting a finishing target moisture content.
0, providing a grain type setting knob 31 and a grain amount setting knob 32 for setting the temperature of the hot air generated from the hot air device 21;
Additionally, a digital display section 33 for digitally displaying various items is provided.

Also, inside, there is an A-D converter 34 for A-D converting the detected values detected by the moisture sensor 24' and the taste sensor 25', and a converted value converted by this A-D converter 34. The input circuit 35 to which is input, the switch 26, 2
7, 28 operations and settings 29, 30, 31, 32
The input circuit 36 into which the operation is input, and these input circuits 35
, 36, and an output circuit 38 that receives and outputs various commands from the CPU 37. In addition, the settings 2
9, 30, 31, 32 are rotary switch type,
The configuration is such that predetermined numerical values, types, etc. are set depending on the operating position.

[0020] The rice hulling machines 2 and 3 are controlled by the control device 39.
The selection control of and 4 is performed as follows. That is, the moisture setting knob 30 is operated, the content of this operation is inputted to the CPU 37, the grain finishing target moisture is set by this input, and the grain moisture detected by the moisture sensor 24' is also input to the CPU 37. The detected grain moisture content is compared with the finishing target moisture content, and when it is detected that the detected grain moisture content has reached the finishing target moisture content, it is detected that the drying of the grains has been completed, and the drying machine 1 is automatically stopped and the drying of the grains is stopped.

[0021] When the drying of the grains is completed, each of the dryers 1
The grains inside the starting switch 27 start the discharge operation.
By operating the dryer 1, the discharge transfer device 9 and the discharge grain raising machine 1 are transferred from the dryer 1 into the grain storage tank 5.
It is configured such that it is discharged after passing through zero, and is stored and left to cool. When the cooling of the grains is completed (step 101), the finished grain moisture (MO) or (MT) inputted to the CPU 37 at the time of the completion of drying and the setting grains set and stored in the CPU 37 are combined. The grain moisture (MS) is compared (step 102) and the finished grain moisture (MO) is compared to the set moisture (M
S) It is determined whether or not the amount is higher than that (step 103), and if it is determined that the amount is higher than that, the mangoku sorting rice huller 4 is selected (step 104). It is determined whether the set grain moisture (MS) is within the range of the finished grain moisture (MO) and the finished grain moisture (MT) (step 105), and if it is determined that it is within the range, the rotational sorting is performed. The huller 3 is selected (step 106). Also, the finished grain moisture (MT) is the set moisture content (MS).
), the oscillating huller 2 is selected (step 107). The opening/closing valve 12', the opening/closing valve 13, or the two-stage switching valve 14'' is controlled to open, and the grain tank 5 is transferred to the selected huller 4, huller 3, and huller 2. The grains are then discharged (step 108), and the hulling operation is started by the huller 4, the huller 3, and the huller 2 (step 109).

Additionally, the control device 39 has the following functions. That is, as shown in FIG. 4, the taste value (SO) detected by the taste sensor 25' during grain drying is
The information is input to and stored (step 201). When the dried grains are allowed to cool in the grain storage tank 5 (step 202), the taste value (S
O) and the set taste value (SS) are compared (step 20
3), it is determined whether the detected taste value (SO) is equal to or higher than the set taste value (SS) (step 204), and if it is determined that the detected taste value (SO) is equal to or higher than the set taste value (SS), the grains in the grain storage tank 5 are The opening/closing valve 12' or the opening/closing valve 13 is controlled to open and the rice is discharged to any one of the hulling machines 2, 3, and 4 (step 205), and the hulling operation is carried out by these hulling machines 2, 3. , 4 is used to start hulling the rice.

[0023] Also, the detected taste value (SO) is the set taste value (SS
), it is displayed on the display section 33 (step 207), and it is selected whether or not hulling is possible even though the detected taste value (SO) is lower than the set taste value (SS) (step 208). ), when Hulling is selected, the Hulling work will be done.
Hulling is started by any one of the hulling machines 2, 3, and 4 (step 206). Furthermore, if it is selected not to perform hulling, the hulling machines 2, 3, and 4 are controlled to stop (step 209). Further, the hot air temperature generated from the hot air device 22 and the set hot air temperature are determined by the CPU 37.
If there is a difference, the combustion fuel is controlled to increase or decrease so that the temperature becomes the same as the set hot air temperature.

The operation of the above embodiment will be explained below. Operate each selection switch 26 of the central control device 15 to select the grain dryer 1 to be started, and set the settings 29, 30,
31, 32 to predetermined positions and the start switch 27 to start drying work, each part of each selected dryer 1, hot air device 21, moisture sensor 24', etc. is started, and this hot air device The hot air generated from the ventilation chamber 21 passes through the drying chamber from the ventilation chamber, passes through the ventilation chamber, and is sucked and exhausted by the ventilation device 22, so that the grains in the storage chamber are removed from the storage chamber, the drying chamber, and the collection chamber. The grain is supplied onto the spreading plate through the grain gutter, the supply gutter 24, the circulation grain raiser 23, the dumping tube 23' and the transfer gutter 16,
The grains are uniformly diffused and returned to the storage chamber by this diffusion plate, and the grains flowing down the drying chamber are exposed to this hot air and dried.
When the grain moisture detected by the moisture sensor 24' reaches the finishing target moisture set by operating the moisture setting knob 30,
The dryer 1 automatically stops to stop drying the grains.

In order to discharge the dried grains, each part of the dryer 1 and the discharge transfer device 9 are started by operating the start switch 27 of the central control device 15, which starts the discharge operation. A switching valve 12' in the grain storage tank 5,
13 is controlled to be closed, the dried grains in the dryer 1 are discharged to the discharge transfer device 9, transferred by the discharge transfer device 9 and discharged into the discharge hopper 11, and then the dried grains in the dryer 1 are discharged to the discharge transfer device 9 and discharged into the discharge hopper 11. The grains are transported to the upper part and discharged into the grain storage tank 5, where they are allowed to cool.

[0026] When the cooling is completed, the grains that have been left to cool are transferred to the switching valve 12' and the two-stage switching valve if the grain moisture (MT) at the end of drying is less than the predetermined grain moisture (MS). Valve 15″
is controlled to be open, and the cooled grains in the grain storage tank 5 are transferred from the grain storage tank 5 to the tank discharge funnel 12.
The rice is supplied to the oscillating sorting huller 2 through the flow tube 14', where it is hulled, separated into rice husks and brown rice, and separately discharged outside the machine.

When the predetermined grain moisture (MS) is within the range of the grain moisture (MO) at the end of drying and the grain moisture (MT), the switching valve 12' is in the open state and the second grain moisture is in the open state. The stage switching valve 14'' is controlled to be closed, and the cooled grains in the grain storage tank 5 are transferred from the grain tank 5 to the tank discharge funnel 12 and the downflow tube 14' to rotary sorting paddy. The rice is supplied to the milling machine 3, where it is removed from the hull, and separated into chaff and brown rice, which are separately discharged outside the machine.

[0028] If the grain moisture (MO) at the end of drying is equal to or higher than the predetermined grain moisture (MS), the switching valve 1
3 is controlled to be in an open state, and the cooled grains in the grain storage tank 5 are transferred from the grain storage tank 5 to the tank discharge funnel 12 and the flow tube 15' to the Mangoku sorting huller 4. The rice is supplied to the machine, where it is hulled, separated into chaff and brown rice, and then separately discharged outside the machine.

[Brief explanation of drawings]

The figure shows one embodiment of the invention.

[Figure 1] System configuration diagram of grain processing equipment

[Figure 2] Block diagram

[Figure 3] Flowchart

[Figure 4] Flowchart

[Figure 5] Enlarged side view of the grain dryer, partially cut away

[Figure 6] Enlarged front view of the central control unit, partially cut away

[Explanation of symbols]

1 Grain dryer 2. Oscillating sorting rice huller 3 Rotary sorting huller ４　　　Mangoku sorting rice huller

Claims (1)

[Claims] Claim 1: A swing sorting huller 2 with different sorting methods for the dried grains sequentially discharged from a plurality of grain dryers 1;
In the grain processing device provided to supply the grain to the rotary sorting huller 3 and the Mangoku sorting huller 4 for hulling, there is a sorting method based on the moisture content of the dried grains discharged from the dryer 1. An operation control system characterized in that the rice is supplied to any one of the oscillating sorting and hulling machine 2, the rotary sorting and hulling machine 3, and the Mangoku sorting and hulling machine 4 for hulling.