JPH06106139A - Brown rice sorting management facility - Google Patents

Abstract

(57) [Summary] [Purpose] To improve the taste by making the accuracy of the shipping brown rice uniform and to manage and ship the grain according to its use or quality. [Constitution] Consigned brown rice is loaded into a temporary storage tank 3 by a consignment elevator 2, and the brown rice discharged from this is sorted into sized and immature rice by a grain thickness sorter 4A. The sorted sized particles are sorted into large particles, medium particles, and small particles by the particle thickness sorters 4B and 4C connected in series according to the difference in particle thickness, and are stored in tanks 9A to 9C, respectively. The brown rice discharged from each tank is weighed by the weighing machine 11,
The quality factor detection device 13 detects the predetermined quality of the sample. And the brown rice being weighed by the weighing machine 11 is
Depending on its size and detection result, a plurality of sorting tanks 1
4A to 14N are sorted into predetermined sorting tanks by the sorting conveyor 15.

Description

Detailed Description of the Invention

[0001]

[Field of Industrial Application] The present invention receives brown rice produced at a farmer or a grain drying and preparing facility, sorts the received brown rice into a plurality of groups according to the difference in grain thickness, and further sorts them under predetermined conditions. The present invention relates to a brown rice sorting and management facility that sorts and manages in tanks.

[0002]

2. Description of the Related Art Conventionally, in this type of facility, when brown rice produced by a farmer or a grain drying and preparing facility is received, the grain of the received brown rice is sorted into sized and immature grain, and the sized grain is selected. The immature grain and the immature grain were stored and stored in a tank or the like.

[0003]

As described above, in the conventional facility, since the consigned brown rice is only sorted into the sized and immature grain due to the difference in size, the size of the sized grain after the sorting is selected. It is considered to be mixed, and its size is considered to be distributed over a range of, for example, 1.8 mm to 2.2 mm in terms of grain thickness (thickness). Therefore, in the rice polishing process, the rice is milled under the same conditions with different sizes, so it is difficult to finish with a uniform milling accuracy (whitening rate), and as a result,
There has been a problem that it cannot contribute to improving the taste.

Furthermore, in conventional facilities, no consideration has been given to the distribution of rice of good quality and high uniformity, or the selective management of rice for use.

Therefore, in view of these points, the present invention aims to improve the taste by making the accuracy of milling brown rice uniform and to manage and ship grains according to their use or quality. The purpose is to

[0006]

In order to achieve the above object, the present invention has the following constitution. That is, the present invention detects a plurality of sorting tanks for storing brown rice, a sorting means for sorting the receiving brown rice into a plurality of groups according to the difference in the grain thickness thereof, and a predetermined evaluation element of the brown rice of each sorted group. The evaluation element detecting means, and the sorting means for sorting the brown rice in a group into a predetermined sorting tank among a plurality of sorting tanks according to the detected evaluation element and the size of the brown rice of the selected group, Become.

[0007]

In the present invention, the sorting means sorts the received brown rice into a plurality of groups according to the difference in grain thickness. The evaluation element detecting means detects a predetermined evaluation element of the brown rice in each of the selected groups. Here, the evaluation factors of brown rice are the contents of components such as proteins, which are indicators of internal quality, or the stickiness and hardness, which are indicators of applications.

Next, the sorting means sorts the brown rice in groups into predetermined sorting tanks among a plurality of sorting tanks according to the detected evaluation element and the size of the brown rice in the selected group. As a result, in the sorting tank, brown rice is sorted by group according to its size and internal quality, or according to size and purpose. Therefore, the stored brown rice can be managed appropriately according to the quality and use and shipped, and the shipped brown rice can contribute to the stabilization of the quality of the polished rice in the rice polishing process, and to the improvement of the taste.

[0009]

EXAMPLES Next, examples of the present invention will be described with reference to FIG.

In FIG. 1, reference numeral 1 is a load receiving hopper for receiving brown rice produced at a farmer or a grain drying and preparing facility. It is configured to be stuck in. The discharge port of the temporary storage tank 3 is connected to the inlet of a grain thickness sorter 4A that sorts the unreceived brown rice into sized grains and immature rice (waste rice) according to the grain thickness difference. In this grain thickness sorter 4A, the size of the slit is 1.8 mm, for example.

The grain thickness sorter 4A is provided with a sizing outlet for discharging the sorted sized rice and an unripe rice outlet for sorting the unripened rice sorted. Then, most of the sized particles discharged from the sized particle discharging port are configured to be guided to the sorting step elevator 5, and a part of the sized particles discharged is extracted as a sample. It is configured to lead to the appearance detection device 6. The appearance detection device 6 optically detects the appearance state of the sample. Also,
The unripe rice discharge port is connected to an unripe rice weighing machine 7 for weighing the unripe rice.

A temporary storage tank 8 is connected to the discharge section of the elevator 5 for the sorting process, and a grain thickness sorter 4B and a grain thickness sorter 4C are connected in series to the discharge port of the temporary storage tank 8. The size of the slit of the grain thickness sorter 4B is larger than that of the grain thickness sorter 4A and smaller than that of the grain thickness sorter 4C. For example, if the size of the slit of the grain thickness sorter 4A is 1.8 mm as described above, the size of the slit of the grain thickness sorter 4B is 1.95 mm, and the size of the slit of the grain thickness sorter 4C. Is 2.05 mm.

The brown rice sorted by the grain thickness sorter 4B having a grain thickness of 1.8 mm to 1.95 mm is introduced to the sorting temporary storage tank 9C. Those having a grain thickness of 1.95 mm or more are guided to the grain thickness sorter 4C for re-sorting. further,
Grain thickness is 1.95m among brown rice sorted by grain thickness sorter 4C
Those having a range of m to 2.05 mm are configured so as to be guided to the temporary storage tank for selection 9B. Among the selected brown rice having a grain thickness of 2.05 mm or more, the temporary storage tank for selection 9A.
It is configured to lead to.

The respective outlets of the sorting temporary storage tanks 9A, 9B and 9C are located on the conveyor surface of the conveyor 10, and the end of the conveyor is connected to the weighing machine 11. The weighing machine 11
The weighed brown rice is configured to be guided to the sorting process elevator I2, and at the time of weighing, a part thereof is extracted as a sample and guided to the quality factor detection device 13.

The quality factor detecting device 13 uses a near infrared ray analysis method (near infrared ray absorption spectrum method) to determine the contents of components such as protein, amylose and fatty acid degree which are indicators of internal quality, or brown rice. For example, the stickiness, hardness, water absorption, etc., which are indicators of the application, are obtained. Since the stickiness and hardness have a correlation with the content of protein or amylose, they are indirectly determined from the content of protein or amylose.

The discharge part of the elevator 12 for the sorting process is
As will be described later, a plurality of sorting tanks 14A to 14A ...
It is connected to a sorting conveyor 15 for sorting brown rice into one of 14N. The discharge ports of the plurality of sorting tanks 14 </ b> A to 14 </ b> N can be seen on the transport surface of the discharge conveyor 16.

Next, an example of the control system of the brown rice sorting and management facility thus constructed will be described with reference to FIG.

In FIG. 2, reference numeral 20 denotes a central control processing unit which is composed of a computer and controls each unit as described later. The central control processing device 20 is connected to the appearance detection device 6 and the quality element detection device 13, and the grain thickness sorters 4A, 4B, 4C, the sorting conveyor 1 are controlled as control targets.
5 etc. are connected.

Next, an example of the operation of the brown rice sorting and management facility having such a configuration will be described below.

Now, when the consignment brown rice is put into the consignment hopper 1, it is once put into the temporary storage tank 3 by the consignment elevator 2. Here, an example of the grain thickness distribution of brown rice pasted into the temporary storage tank 3 is shown in FIG. 3, for example. When the brown rice discharged from the temporary storage tank 3 is supplied to the grain thickness sorter 4A, the grain thickness thereof is 1.
Grain size of 8 mm or more and unripe rice having a grain thickness of 1.8 mm or less are selected. The unripe rice thus selected is weighed by the unripe rice weighing machine 7 and then put into a waste rice tank (not shown).

On the other hand, most of the sorted particles are put into the temporary storage tank 8 through the elevator 5 for the sorting step, and a part of them is introduced to the appearance detection device 6 as a sample. The appearance detection device 6 optically detects the appearance state of the sample, for example. Then, the grain thickness sorter 4B or the grain thickness sorter 4C is controlled as necessary based on the detection result.

The brown rice stuck in the temporary storage tank 8 is
First of all, the grain thickness is 1.8 mm to 1.95 by the grain thickness sorter 4B.
mm rice and brown rice having a grain thickness of 1.95 mm or more. The selected brown rice of the former is supplied to the temporary storage tank 9C for selection, while the latter brown rice of the selected is supplied to the grain thickness sorter 4C for re-sorting. Grain thickness sorter 4
The grain thickness of the brown rice supplied to C is 1.95 mm
It is classified into brown rice having a grain thickness of 2.05 mm and brown rice having a grain thickness of 2.05 mm or more. The former brown rice is supplied to the temporary sorting storage tank 9B, while the latter selected brown rice is supplied to the temporary sorting storage tank 9A. As a result, a large grain of brown rice is filled in the temporary storage tank for sorting 9A,
Medium grain brown rice is placed in the sorting temporary storage tank 9B, and small grain brown rice is placed in the sorting temporary storage tank 9C.

The brown rice stuck in the temporary storage tanks 9A, 9B, 9C for sorting is discharged to the conveyor 10 for each tank and supplied to the weighing machine 11 by the conveyor 10. The brown rice weighed by the weighing machine 11 is guided to the sorting process elevator 12, and at the time of weighing, a part of the brown rice is extracted as a sample and guided to the quality factor detection device 13. In this quality factor detection device 13, the content of components such as proteins, which is an index of internal quality, or the hardness, which is an index of uses of brown rice, is required by using a near infrared analysis method.

When the protein content and the hardness of the rice are obtained in this manner, the brown rice currently being weighed by the weighing machine 11 is divided into a plurality of sorting tanks 14A ...
It is sorted by a sorting conveyor 15 into a predetermined sorting tank of 14N. For example, brown rice is grouped (stratified) as shown in FIG. 4 according to the size of brown rice and the content of its protein. Further, brown rice is grouped as shown in FIG. 5 according to the size and hardness of the brown rice. Therefore,
For example, in the case of FIG. 4, when the brown rice has a small grain size and a high protein content, it is sorted as "hard rice".

In this way, the plurality of sorting tanks 14 are
The brown rice sorted into A to 14N is shipped by using the discharging conveyor 16 as needed.

As described above, in the present embodiment, the grain brown rice to be received is sorted into three groups of "large grain", "medium grain" and "small grain" by the grain thickness sorters 4B and 4C according to the difference in grain thickness. After that, a predetermined evaluation element of brown rice of each group is detected, and a plurality of sorting tanks 14A to 14A-1 are selected according to the detected evaluation element and the size of the brown rice of the selected group.
Brown rice was sorted into a predetermined sorting tank of 4N in group units. As a result, in the sorting tank,
Brown rice is sorted in groups according to its size and internal quality, or size and purpose. Therefore, the stored brown rice can be appropriately controlled and shipped according to the internal quality and the intended use, and the shipped brown rice can contribute to the stable quality of the polished rice in the rice polishing process, and to the improvement of the taste.

[0027]

Industrial Applicability As described above, according to the present invention, after unpacking unpolished rice is sorted into a plurality of groups according to the difference in grain thickness, a predetermined evaluation element of unpolished rice of each group is detected, and the detected evaluation elements are According to the size of the brown rice of the selected group, the brown rice is sorted into a predetermined sorting tank among a plurality of sorting tanks in group units. As a result, in the sorting tank, according to its size and internal quality,
Alternatively, brown rice is sorted in groups according to size and use. Therefore, the stored brown rice can be appropriately shipped depending on the quality and use, and the shipped brown rice can contribute to the stabilization of the quality of the milled rice in the rice polishing process, and to the improvement of the taste.

[Brief description of drawings]

FIG. 1 is a diagram showing an example of the overall configuration of an embodiment of the present invention.

FIG. 2 is a block diagram showing a control system of the embodiment.

FIG. 3 is a diagram showing an example of a grain thickness distribution of consigned brown rice.

FIG. 4 is a diagram showing an example of sorting of brown rice.

FIG. 5 is a diagram showing another example of sorting of brown rice.

[Explanation of symbols]

 1 Receiving hopper 4A-4C Grain thickness sorter 9A-9C Temporary storage tank for sorting 13 Quality factor detection device 15 Sorting conveyor 14A-14N Sorting tank

Claims (1)

[Claims] 1. A plurality of sorting tanks for storing brown rice, a sorting means for sorting the consigned brown rice into a plurality of groups according to the difference in grain thickness thereof, and detecting a predetermined evaluation element of the brown rice in each group after the sorting. An evaluation element detecting means and a sorting means for sorting the brown rice in a group into a predetermined sorting tank among a plurality of sorting tanks according to the detected evaluation element and the size of the brown rice in the selected group. Brown rice sorting management facility.