JPH04270880A - Operation control method of grain processor - Google Patents

Abstract

PURPOSE:To mix various kinds of unhulled rices before supplying them into a rice huller when various different kinds of unhulled rice grains, dried in a grain drier, are hulled and the hulled different kinds of unpolished rice are mixed to obtain mixed unpolished rice and obtain mixed rice, mixed surely. CONSTITUTION:Various different kinds of unhulled rice, dried in respective grain dryers 1, are discharged simultaneously to a discharging and shifting device 2 and are mixed during shifting by the discharging and shifting device 2 and, further, are mixed upon conveying and supplying from the discharging and shifting device 2 into a grain reserving tank 3 and upon supplying from the reserving tank 3 into a rice huller 4. The various different kinds of unhulled rices are mixed on the way of shifting by the discharging and shifting device, during transferring and supplying into the grain reserving tank, on the way of discharging from the reserving tank and the like whereby they are mixed surely.

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 rice grains discharged from a plurality of grain dryers for drying rice grains are transferred and supplied to a grain storage tank for storing the rice grains by a discharge transfer device. The rice grains are supplied from the storage tank to a huller for hulling, and the dryer, discharge transfer device, storage tank, huller, etc. are controlled by a central controller, and each dryer When mixing the different types of brown rice dried by the huller with the different types of brown rice that has been hulled using the huller, an operation control method is used in which the unhulled brown rice is mixed to form the mixed brown rice. there were.

0003

[Problems to be Solved by the Invention] While the rice grains stored in each grain dryer are repeatedly circulated within this dryer,
The paddy grains are dried by being exposed to hot air, and when drying is completed, the dried paddy grains are discharged to a discharge transfer device, and transported by the discharge transfer device and supplied to a grain storage tank that stores the paddy grains, From this storage tank, the rice grains are supplied to a huller that removes the hulls, and the rice grains are removed by the huller and separated into rice husks and brown rice.

[0004] When mixing different types of brown rice obtained by hulling different types of rice grains dried in the respective dryers with the hulling machine to obtain mixed brown rice, the process is carried out in the state of brown rice after hulling. Otherwise, brown rice may not be completely mixed because the process is carried out in the polished state after polishing, but this is an attempt to prevent this and obtain perfectly mixed brown rice.

[0005]

[Means for Solving the Problems] Therefore, in this invention, dried rice grains discharged from a plurality of grain dryers 1, 1, etc. for drying rice grains are stored in a discharge transfer device 2. The rice grains are transferred to a grain storage tank 3 in which the grains are stored, and then supplied from the storage tank 3 to a hulling machine 4 that hulls the rice grains.
These dryers 1, 1..., discharge transfer device 2, storage tank 3
, and a central control device 5 that controls the huller 4, etc., in which different types of rice grains dried in the dryers 1 are mixed with different types of brown rice that has been hulled in the huller 4. When mixed brown rice is produced, the operation control method is characterized in that the rice grains of different varieties are mixed and hulled before being supplied to the huller 4.

Furthermore, the central control device 5 is provided with a mixing setting mechanism 6, and during mixing operation, each dryer 1 is set according to its operation.
, 1... is characterized in that it controls the amount of emissions emitted from.

[0007]

According to the control from the central control device 5, each grain dryer 1 is started, and the rice grains stored in each dryer 1 are repeatedly circulated within the dryer 1. The paddy grains are dried by being exposed to hot air, and when drying is completed, the dried paddy grains are discharged to the discharge transfer device 2 which is started under control from the central control device 5, and are transferred by the discharge transfer device 2 to form paddy. The grains are supplied to a grain storage tank 3 controlled by the central controller 5 to store the grains, and from this storage tank 3 are supplied to the huller 4 controlled by the central controller 5. In step 4, the rice is hulled and separated into chaff and brown rice.

[0008] When mixing different types of brown rice obtained by hulling different types of rice grains dried in the dryers 1 using the huller 4 to obtain mixed brown rice, the rice grains of the types to be mixed are mixed. The grains are simultaneously discharged from each of the dryers 1 to the discharge transfer device 2, mixed during transfer in the discharge transfer device 2, and further transported and supplied from the discharge transfer device 2 to the storage tank 3. The rice grains are mixed when being supplied from the storage tank 3 to the huller 4, and also during hulling in the huller 4.

[0009] Furthermore, when mixing the different types of brown rice obtained by hulling different types of rice grains dried in the dryers 1 using the huller 4 to produce mixed brown rice, the products to be mixed are The respective dryers 1 that have dried seed rice grains are selected by operating the mixing setting mechanism 6 of the central controller 5, and the discharge capacity of the selected dryers 1 is equal to the hulling capacity of the huller 4. to be the same,
The amount of rice grains discharged from each dryer 1 is controlled and discharged to the discharge transfer device 2, and during the transfer in this discharge transfer device 2, different types of rice grains are mixed, and further from this discharge transfer device 2. Different types of rice grains are mixed when being transported and supplied to the storage tank 3 and when being supplied from this storage tank 3 to the huller 4, and also during hulling in this huller 4. be done.

0010

[Effects of the Invention] According to the present invention, when mixed rice grains of different varieties dried in each grain dryer 1 are mixed to obtain mixed brown rice, the rice grains of different varieties are discharged and transferred until they are supplied to the huller 4. Different types of rice grains are mixed during transfer by the device 2, when they are transported and supplied to the grain storage tank 3, and when they are discharged from the storage tank 3, so that reliable mixing can be achieved. By also mixing during hulling in step 4, more thoroughly mixed brown rice can be obtained. In addition, by controlling the discharge amount of different types of rice grains, a balance can be achieved between the discharge amount of rice grains and the hulling capacity, and a good hulling operation can be achieved.

[0011]

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 plurality of grain dryers 1 for drying paddy grains, for example, four grain dryers 1 installed on either side, grain storage tanks 3, 3 for storing paddy grains, and a grain storage tank 3 for hulling the paddy grains. Husking machine 4
etc., and on the other side there is provided a stake raising machine 8 having a stake hopper 7 at the bottom for receiving paddy grains, and on the rear side of each dryer 1, the rice grains supplied from the stake raising machine 8 are provided. The paddy grains are received by a tension transfer device 9 rotatably equipped with a tension conveyor, etc., and this tension transfer device 9 is provided to transport and supply the rice grains to each dryer 1. The dried paddy grains discharged from each dryer 1 are received by a discharge transfer device 2 rotatably equipped with a discharge conveyor, etc., and the paddy grains are transferred by the discharge transfer device 2 to the lower part of the discharge hoisting machine 10. The grains are supplied to a discharge hopper 11, transported to the upper part by this discharge hoist 10, and discharged to and stored in the storage tanks 3, 3.
3 to the huller 4, and a central part that starts the operation of the grain raising machine 8, the grain transporting device 9, each dryer 1, the discharge transfer device 2, the grain raising machine 10, etc. Control device 5
This figure shows a grain processing device 7' consisting of, etc.

The dryer 1 consists of a cooling section 12 that cools the dried rice grains in the upper part, and a drying part 13 that dries the rice grains in the lower part. A chamber 14 is provided, and on the upper side of the cooling chamber 14 there is provided an upper transfer gutter 16 which is rotatably equipped with a ceiling plate 15 and a transfer spiral and is open at the center in the front and back direction, and an upper diffuser plate 17 is installed in this opening. In addition, on the lower side of this cooling chamber 14, cooling collecting troughs 19, 19, in which a cooling transfer spiral 18 is rotatably installed, are provided in communication with each other. Variable speed cooling motor 1
8' for variable speed rotational driving, and tension devices 19' and 19' for driving and stopping.

[0013] A bottom plate 21 that is opened and closed by a bottom plate opening/closing motor 20 is provided below the cooling grain gutter 19, and when the bottom plate 21 is open, the paddy grains are supplied to the drying section 13 below. In the closed state, the rice grains are discharged from the cooling discharge funnel 22 to the discharge transfer device 2 via the discharge tube 23. The configuration includes cooling grain sensors 24, 24 for detecting the presence or absence of paddy grains in the gutter 19.

The drying section 13 has a lower transfer gutter 2 which has a transfer spiral rotatably installed in the upper part and is open at the center in the front and back direction.
5, and a lower diffusion plate 26 is provided in this opening, and a drying grain collecting trough 31 is equipped with a grain storage chamber 27, each grain drying chamber 28, and a drying transfer spiral 30 rotatably installed in order from the upper part.
, and each drying chamber 28 is provided with each ventilation chamber 32 and each ventilation chamber 33 on the side thereof.

[0015] In front of each drying chamber 28, each ventilation chamber 32 is provided.
A burner 34 is provided which communicates with the exhaust chambers 33, and later an exhaust fan 35 is provided which communicates with each of the exhaust chambers 33, and a circulating grain raising machine 37 is installed in which a bucket conveyor 36 belt is rotatably installed. A supply gutter 38 is provided between the lower part of the grain hoist 37 and the terminal end of the drying grain collecting gutter 31 for communication, and a dispensing pipe 39 having a switching valve is provided between the upper part and the starting end of the upper transfer gutter 16. A discharge pipe 40 is provided between the discharge pipe 39 and the starting end of the lower transfer gutter 25 to communicate with each other, and by switching the switching valve, the paddy grains are It is configured to discharge to either side of the upper transfer gutter 16 or the lower transfer gutter 25.

In the dryer 1, circulation is repeated from the drying section 13 to the drying section 13 via the circulation raising machine 37, the discharging tube 39, the discharge tube 40, and the lower transfer gutter 25. Single drying and circulation from the cooling section 14 to the cooling section 14 via the drying section 13, the circulation raising machine 37, the throwing tube 39, and the upper transfer gutter 16 are repeated. Both double drying and dried paddy grains are supplied from the drying section 13 to the cooling section 14 via the circulation raising machine 37, the dispensing tube 40 and the upper transfer gutter 16, and stored therein,
The cooling section 14 is configured to radiate cooling.

Each storage tank 3 is rotatably provided with a switching valve 41, which is opened and closed by a switching valve motor 42, and a full level sensor 43 is installed in the upper part of the storage tank 3. A tank grain sensor 44 is provided at the bottom to detect the presence or absence of paddy grains. When the full amount sensor 43 detects that the paddy grains being discharged into the storage tank 3 on one side are in a full state, the discharge switching valve 46 in the discharge tube 45 of the discharge grain raiser 10 is switched. The structure is such that the rice grains are discharged into the storage tank 3 on the other side, and when the tank grain sensor 44 detects that there are no rice grains being discharged in the storage tank 3 on the one side, The switching valve 41 in the storage tank 3 on the other side is controlled to be opened by the switching valve motor 42 to discharge water.

The huller 4 receives the rice grains supplied from the storage tank 3, hulls the rice grains in the huller 4, sorts them into rice husks and brown rice, and separates them out of the machine. The structure is such that it is discharged. The central control device 5 controls each of the dryers 1 to be discharged when mixing different types of rice grains dried in the dryers 1 and cooled in the cooling section 14 to form mixed brown rice on the surface plate. It has a configuration including a mixing setting mechanism 6 for setting the temperature, a start switch and a stop switch for starting each operation of filling, drying, and discharging, and a control device 47 for starting and controlling the centralized operation. The configuration includes the following.

The discharge control by the control device 47 when mixing different types of air-cooled rice grains to obtain mixed brown rice is performed in order to make it the same as the hulling processing capacity of the hulling machine 4, and to control the amount of rice grains. In order to improve mixing, the configuration is controlled as follows. That is, the operation details of the mixing setting mechanism 6 are input to the CPU 49 via the input circuit 48 of the control device 47 (step 1), and this input instructs the selection of each dryer 1 (step 2). The dryer 1 is selected by operating the mixing setting mechanism 6 (step 3), and how many dryers 4 have been selected is detected (step 4). Cooling grain collection trough 1
9 is calculated (step 5), and the rotation of each variable speed cooling motor 18' is adjusted so that each cooling transfer spiral 18 has the same rotation speed as the calculated rotation speed. The dryers 1 are controlled to rotate at variable speeds from the CPU 49 via the output circuit 50 to start rotation (step 6), and when the discharge of rice grains is completed, each dryer 1 is automatically stopped (step 7).

By the rotation of each of the cooling transfer spirals 18, the cooled paddy grains of different types are transferred from the cooling collecting troughs 19 to the discharge funnels 22 and the discharge tubes 23 to the discharge transfer device 2. During this transfer, different types of rice grains are mixed, and during this transfer, the rice grains of different types are mixed, and when they are transported and supplied to each storage tank 3, and when they are discharged and supplied from each storage tank 3 to the hulling machine 4. Also, rice grains of different varieties are mixed together.

In addition, the control device 47 is configured to have the following functions, that is, the discharge control of the cooled rice grains of different types is controlled by each of the dryers based on the hulling processing capacity of the huller 4. 1 is started and it is detected that the discharging capacity of the paddy grains to be discharged is high, one side of each of the cooling transfer spirals 18 in each of the cooling collecting troughs 19 of each dryer 1 is controlled to stop. Only the cooling transfer spiral 18 on the other side is rotationally controlled and discharged, and the cooling grain sensor 24 in the cooling collecting gutter 19 on the discharge side detects that there are no paddy grains, and the CPU 49 When input to
The configuration may be such that the cooling transfer spiral 18 on the other side, which has been stopped, is started and controlled to discharge the rice grains by this input.

The operation of the above embodiment will be explained below. Each grain dryer 1 is started by operating the start switch of the central control device 5 that starts drying work, and if the set drying mode is single drying, the grains are fed into the grain storage chamber 27 of the drying section 13. The stored rice grains are dried by being exposed to the hot air generated from the burner 34 while flowing down from the storage chamber 27 into the grain drying room 28, and are fed to the lower part and supplied into the drying grain collecting trough 31. The dry grain is transferred and supplied by the drying transfer spiral 30 through the dry collection trough 31 and the supply trough 38 into the circulation raising machine 37, and is conveyed to the upper part by the circulation raising machine 37, passing through the discharging tube 40, and then entering the lower transfer trough 25. The water is supplied from the lower transfer gutter 25 to the lower diffusion plate 26, where it is evenly diffused and reduced into the storage chamber 27, and is circulated and dried. When the target moisture content is reached, The switching valve in the dispensing tube 39 is operated to switch, and the paddy grains conveyed to the upper part by the circulation raising machine 37 are supplied from the dispensing tube 29 into the upper transfer gutter 16, and from the upper transfer gutter 16. It is transferred and supplied onto the upper diffusion board 17, and evenly distributed and supplied into the cooling chamber 14 by the upper diffusion board 17, and is left to cool in the cooling chamber 14. When the cooling is completed, the central control device 5 The dryer 1 is automatically stopped under automatic control by the control device 47.

When mixed brown rice is obtained by mixing different types of air-cooled rice grains, the dryer 1 to be discharged is selected by operating each mixing setting mechanism 6 of the central controller 5,
By operating the start switch that starts the discharge operation, the selected dryer 1 and discharge transfer device 2 are started, and the cooled rice grains of different types are cooled from the cooling chamber 14 of the cooling section 12. The grains flow down to the grain collection gutter 19 and are transferred through the cooling grain collection gutter 19 by the cooling transfer spiral 18 which rotates with the rotation speed controlled by the selected number of dryers 1 to be discharged. The rice grains of different varieties are mixed while being transferred by the discharge transfer device 2 and are supplied from the discharge hopper 11 into the discharge grain raising machine 10. When the grains are transported to the upper part and supplied to the grain storage tank 3 through the discharge tube 45 and the full amount sensor 43 detects that the grain is full, this storage tank 3 and the huller 4 are started, and this storage tank is 3 to this huller 4, and at this time as well, the different types of rice grains are mixed.In this huller 4, the different types of rice grains are hulled and separated into rice husks and brown rice. It is also mixed to make mixed brown rice.

[Brief explanation of the drawing]

The figure shows one embodiment of the invention.

FIG. 1 is a system configuration diagram of a grain processing device.

FIG. 2 is a block diagram.

FIG. 3 is a flowchart.

FIG. 4 is an overall side view of the grain dryer.

FIG. 5 is an enlarged sectional view taken along line AA in FIG. 4;

FIG. 6 is an enlarged sectional view taken along line BB in FIG. 4;

FIG. 7 is an enlarged perspective view of a portion of the grain dryer.

FIG. 8 is an enlarged rear view of a portion of the grain dryer.

[Explanation of symbols]

1 Grain dryer 2 Discharge transfer device 3 Grain storage tank 4. Husking machine 5 Central control device 6 Mixed setting mechanism

Claims (2)

[Claims] [Claim 1] A plurality of grain dryers 1 for drying rice grains.
, 1... are transferred and supplied by a discharge transfer device 2 to a grain storage tank 3 for storing the rice grains, and from the storage tank 3 to a hulling machine 4 for hulling the rice grains. In a grain processing apparatus equipped with a central control device 5 for controlling the dryers 1, 1, . . . , discharge transfer device 2, storage tank 3, huller 4, etc., each dryer 1
When mixed brown rice is prepared by mixing the different types of rice grains dried in the drying process with different types of unhulled rice by the huller 4, the different types of rice grains are mixed and hulled before being supplied to the huller 4. An operation control method characterized by controlling as much as possible. [Claim 2] A plurality of grain dryers 1 for drying rice grains.
, 1... are transferred and supplied by a discharge transfer device 2 to a grain storage tank 3 for storing the rice grains, and from the storage tank 3 to a hulling machine 4 for hulling the rice grains. These dryers 1, 1..., discharge transfer device 2 are provided to supply
, a storage tank 3, a grain processing device equipped with a central controller 5 having a mixing setting mechanism 6 for controlling the huller 4, etc., and setting the dryer 1 for discharging discharged rice grains during mixing. An operation control method characterized in that the amount of rice grains discharged from the dryer 1 is controlled based on the operation of the mixing setting mechanism 6.