JPH0699090A - Facility for rescreening and managing unpolished rice - Google Patents

Abstract

PURPOSE:To uniformize the classes of the unpolished rice to be shipped and to stabilize the quality of the polished rice in post stages by screening the incoming unpolished rice to regular size grains and immature rice by the differences in grain sizes, then detecting the appearance state of the screened regularize grains and rescreening the regular size grains according to the results of the detection. CONSTITUTION:An incoming rice screening means 3 screens the incoming unpolished rice at the prescribed grain sizes to the regular size grains and the immature rice. An appearance detecting means 6 detects the appearance state of the screened regular size grains and calculates, for example, the content of the immature rice in accordance with the results of the detection. The screened regular size grains are rescreened by any of grain size screening machines 11A to 11C for rescreening or are directly supplied as good-quality rice to a good-quality rice metering device 14 without rescreening these grains. The good-quality rice rescreened by the grain size screening machines 11A to 11C is supplied to this good-quality rice metering device 14. The rescreened low-quality rice is supplied to a low-quality rice metering device 15. Namely, the incoming rice is screened to the regular size grains and the immature rice and thereafter, the regular size grains are rescreened according to the appearance of the regular size grains.

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 / preparation facility, sorts the received brown rice into sized rice and immature rice, and then re-sorts the brown rice under predetermined conditions. It relates to the brown rice re-sorting management facility to be managed.

[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, it is sorted into sized rice and immature rice according to the grain size difference, and the sorted rice is sorted. The grains were stored in a tank.

[0003]

As described above, in the conventional facility, the consigned brown rice is sorted into sized rice and immature rice according to the difference in particle size. It is considered that the degree of inclusion is different for each consigned brown rice.

[0004] However, conventionally, it has not been taken into consideration that the degree of mixing of unripe rice or the like differs depending on the load, so that it is impossible to make uniform the grades of the sized particles to be stored and stored. Was occurring. As a result, there was a problem that the grade of shipped brown rice could not be made uniform and the quality of milled rice in the subsequent process was not stable.

In view of the above, the present invention has an object to uniformize grades of shipped brown rice by re-sorting the consigned brown rice as necessary.

[0006]

In order to achieve the above object, the present invention has the following constitution. That is, the present invention is a receiving rice sorting means for sorting the receiving brown rice into sized and immature rice with a predetermined grain size, an appearance detecting means for detecting the appearance state of the sorted sized rice, and the receiving rice sorting A plurality of re-sorting means having a particle size larger than that of the re-sorting means, each having a different particle size to be sorted, and a predetermined one of the plurality of re-sorting means according to the appearance state detected by the appearance detecting means. Distribution means for distributing the sorted sized particles to the re-sorting means.

[0007]

In the present invention, the unreceived brown rice is sorted into the sized rice and the unripe rice with the predetermined grain size by the unloaded rice sorting means. The appearance detecting means detects the appearance state of the selected sized particles. The detection of the appearance state, for example, to detect the presence or absence of unripe rice,
It means calculating the content rate of immature rice from the result. Then, according to the detected appearance state, the distribution unit distributes the sorted sized particles to a predetermined re-sorting unit among the plurality of re-sorting units. The distributed sized particles are re-sorted by the re-sorting means.

In this way, by the re-sorting of the re-sorting means,
Even if there is variation in the degree of mixing of unripe rice among the consigned brown rice, the unripe rice can be eliminated as much as possible.
It is possible to make uniform the grades of sized particles to be stored and stored. As a result, the grade of shipped brown rice can be made uniform, and the quality of milled rice in the subsequent process can be stabilized.

[0009]

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

In FIG. 1, reference numeral 1 is a cargo receiving hopper for receiving brown rice produced at a farmer or a grain drying and preparing facility. Brown rice fed into the cargo receiving hopper 1 is used for receiving brown rice via a cargo receiving elevator 2. It is configured so as to be stuck in the particle size selector 3. The grain size sorter 3 sorts the unreceived brown rice into grain-sized and immature rice (waste rice) according to the grain size, and the size of the mesh is, for example, 1.8.
mm.

At the two outlets of the particle size selector 3, a sizing machine 4 for measuring the weight of the selected sized rice, and an unripe rice weighing machine 5 for measuring the weight of the selected unripe rice. Connect each. The sizing machine 4 is configured to guide the weighed brown rice to the inflating elevator 8, and at the time of weighing, extracts (collects) a part of it as a measurement sample and guides it to the appearance detection device 6. To configure.

The appearance detection device 6 detects the appearance state (appearance quality) of the sized particles selected by the particle size selector 3. That is, for example, the appearance of sized grains is optically detected, the presence or absence of immature grains is determined based on the detection result, and the immature rice content rate or the like is calculated based on the determination result.

The end of the lifting elevator 6 is connected to a temporary storage tank 9. The outlet of the temporary storage tank 9 is connected to the respective starting ends of the distribution conveyor 10 and the high-quality rice transport conveyor 12 via the switching valve 7. Below the distribution conveyor 10, a plurality of re-sorting particle size selectors 11A to 11C having different mesh sizes are arranged. The distribution conveyor 10 uses the grain size sorters 11A to 11G to remove the brown rice discharged from the temporary storage tank 9.
It is to be distributed to one of 11C.

The mesh size of each of the particle size classifiers 11A to 11C for re-sorting is set to be larger than the mesh size of the particle size classifier 3 for receiving cargo described above. For example, the mesh size of the particle size sorter 11A is 1.85 mm, the mesh size of the particle size sorter 11B is 1.90 mm, and the mesh size of the particle size sorter 11C is 1.95 mm. To do.

Particle size sorters 11A to 11C for re-sorting
Has a high-quality rice outlet for discharging the selected high-quality rice and a low-quality rice outlet for discharging the selected low-quality rice (including unripe rice). Then, each of these quality rice discharge ports is connected to the quality rice transport conveyor 12, and each low quality rice discharge port is connected to the low quality rice transport conveyor 13.

The end of the good quality rice conveyer 12 is connected to a good quality rice weighing machine 14 for measuring the weight of good quality rice. Furthermore, the end of the low-quality rice transport conveyor 13 is connected to a low-quality rice weighing device 15 that measures the weight of low-quality rice. Poor rice weighing machine 1
The low-quality rice weighed in 5 is placed in a low-quality rice storage tank (not shown).

The high-quality rice weighing device 14 is configured to guide the high-quality rice after weighing to the elevator 17 for stake-in, and
At the time of measurement, a part of the sample is extracted (collected) as a sample for measurement and guided to the internal quality detection device 16. The internal quality detection device 16 uses a near-infrared analysis method (near-infrared absorption spectrum method) to detect water, amylose, protein, fatty acid content, and the like, and obtains taste, for example, based on the detection results. .

The quality rice discharged from the discharge part of the elevator 17 for stakeout is detected based on the detection result of the internal quality detecting device 16 or based on the detection results of both the internal quality detecting device 16 and the appearance detecting device 6. It is constructed so as to be installed in a predetermined storage tank (not shown).

Next, an example of the control system of the brown rice re-sorting 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 internal quality detection device 16, and is connected to the switching valve 7, the distribution conveyor 10, the re-sorting particle size sorters 11A to 11C, etc. as control targets. To do.

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

Now, when the consigned brown rice is put into the consignment hopper 1, it is supplied by the consignment elevator 2 to the grain size selector 3 for the consigned brown rice, where it is sorted into sized and unripe rice. The selected unripe rice is put into a dust-free rice tank (not shown) whose weight is weighed by the unripe rice weighing machine 5.

On the other hand, the selected sized particles are sized by the weighing machine 4
Is weighed by. During the weighing, a part of the sized particles is extracted as a sample, and the sample is guided to the appearance detection device 6. The appearance detection device 6 detects the appearance of sized grains, determines whether or not the rice is immature rice based on the detection result, and calculates the immature rice content rate based on the result of the determination.

When the content of the unripe rice is calculated in this manner, the sorted sized particles are re-sorted by any of the particle size sorters 11A to 11C according to the calculation result of the content of the unripe rice. Sorted or directly post-treated without re-sorting.

For example, when the content of the unripe rice is 15% or more, the grain size sorter 11C having a large mesh size is used for re-sorting,
When the content of immature rice is 15 to 10%, it is re-sorted by the grain size selector 11B having a medium texture, and when the content of immature rice is 10 to 5%, the grain size separator having a small texture is small. When the unripe rice content is 5% or less, it is not re-sorted by any of the grain size sorters 11A to 11C.

Therefore, when the unripe rice content is 15% or more and re-sorting is performed by the grain size sorter 11C, the sized particles discharged from the temporary storage tank 9 are transferred to the distribution conveyor 10 by switching the switching valve 7. The particle size is guided and distributed by the distribution conveyor 10 to the particle size selector 11C.
When the unripe rice content is 5% or less, the high-quality rice conveyer 12
And is conveyed to the high-quality rice weighing device 14 by the high-quality rice transfer conveyor 12.

In this way, the particle size selectors 11A to 11C
The high-quality rice re-sorted by any of the above is discharged to the high-quality rice transport conveyor 12 and is transported to the high-quality rice weighing device 14 by the high-quality rice transport conveyor 12. On the other hand, the selected low quality rice is discharged to the low quality rice transport conveyor 13 and is transported to the low quality rice weighing device 15 by the low quality rice transport conveyor 13. The low-quality rice weighed by the low-quality rice measuring device 15 is put in a low-quality rice storage tank (not shown).

In the high-quality rice weighing device 15, the weight of the high-quality rice is weighed, a part of the high-quality rice is extracted as a sample at the time of weighing, and the sample is an internal quality detection device 16
Be led to. The internal quality detection device 16 uses a near-infrared analysis method (near-infrared absorption spectrum method) to detect water, amylose, protein, fatty acid content, and the like, and obtains, for example, taste based on the detection results. Then, depending on whether or not the calculated taste is good, or according to whether or not the taste is good and the content of the unripe rice calculated as described above, it is put into a predetermined storage tank (not shown) via the raising elevator 17.

As described above, in the present embodiment, after the unpicked unpolished rice is sorted into the sized and the unripe rice by the grain union grain sizer 3 for unpacked unpolished rice, the appearance of the sorted unsized rice is judged as good or bad. Calculate the unripe rice content rate, and according to the calculation result,
The particle size selectors 11A to 11C having a larger size than the size of the particle size selector 3 and different in size are used to re-sort the sized particles. Therefore, in the examples of the present invention, even if there is a variation in the immature rice content of the consigned brown rice, the quality rice to be stored in the storage tank has a substantially uniform particle size and immature rice content,
The grade of shipped brown rice can be made uniform. As a result, it is possible to contribute to the stabilization of the quality of milled rice in the subsequent process.

Further, in the embodiment of the present invention, according to the content of the unripe rice in the sorted sized particles, the sized particles are re-sorted by the particle size sorters 11A to 11C to obtain a good quality in which the particle size and the unripe rice content are substantially uniform. Since the rice is obtained and the taste is detected as the internal quality of the good quality rice, and the brown rice is managed according to the result, it is possible to appropriately manage the brown rice in consideration of both the appearance quality and the internal quality.

Further, in the examples of the present invention, the larger the unripe rice content, the larger the grain size selectors 11A-11.
Since the sized particles are re-sorted with C, unripe rice can be removed efficiently and reliably, and damage to brown rice can be minimized.

[0032]

As described above, according to the present invention, after the consigned brown rice is sorted into the sized and the unripe rice according to the difference in particle size,
The appearance state of the sorted sized particles is detected, and the sized particles are re-sorted according to the detection result. It is possible to make the grades uniform. As a result, the grade of shipped brown rice can be made uniform, and the quality of milled rice in the subsequent process can be stabilized.

[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.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Receiving hopper 3 Particle size sorter for loading 4 Grain size meter 6 Appearance detection device 7 Switching valve 10 Distribution conveyor 11A-11C Particle size sorter for re-sorting 12 Good quality rice conveyor 14 Good quality rice meter 16 Internal quality detector

Claims (1)

[Claims] 1. A consignment rice sorting means for sorting consigned brown rice into sized rice and immature rice with a predetermined grain size, an appearance detection means for detecting an appearance state of the sorted sized rice, and the consigned rice sorting means. A plurality of re-sorting means each having a particle size larger than that of the re-sorting means, the size of the particle size to be sorted is different from each other, and the predetermined re-sorting means among the plurality of re-sorting means according to the appearance state detected by the appearance detection means A brown rice re-sorting management facility comprising a distribution unit for distributing the sorted sized particles to the re-sorting unit.