JPH06104201B2 - Grain test dryer - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention is mainly applied to rice, such as wheat, and is intended for use as a cargo receiving unit.
In a grain joint drying facility such as a rice center, a country elevator, and a dry store, which is composed of a drying section, a storage section, a preparation and shipping section, etc., a fixed amount of a fixed amount of sample grains collected from each receiving lot for each receiving lot is included. It relates to a grain test dryer with a large number of sample containers which dries to the volume of water.

“Prior Art” In the present applicant, it has already been stated in Japanese Patent Application No. 60-266399.
It has been filed for a grain test dryer as a means of drying the sample grain while circulating it.

"Problems to be solved by the invention" However, in the case of the above means, there are some parts that must be artificially performed between the time when the sample grain is sent to the test dryer and the time when it is taken out. There were still many problems with automation.

"Means for Solving Problems" Therefore, according to the present invention, the input grain from the input port is fed to a predetermined sample container at least at one of the grain input and discharge ports of the dryer and the sample container. Alternatively, it is provided with a single moving hopper for discharging from the sample container.

[Operation] Therefore, according to the present invention, the sample grain introduced from the grain introduction port of the dryer is once received by the moving hopper and then conveyed by the hopper to a predetermined empty sample container. This makes it possible to electrically automate all the operations from sending to the dryer to taking out, and it is possible to easily save labor not only in the test dryer but also in the entire drying facility.

[Example] Hereinafter, an example of the present invention will be described in detail with reference to the drawings. First
The figure is a cross-sectional explanatory view of the test dryer, and Fig. 2 is an explanatory view of the entire facility. Sampled paddy is taken out from the cargo receiving and weighing section (1) and (2) for drying and voluntary inspection.
A load receiving and weighing machine (3) for throwing raw rice into each loading port to achieve this weight, and a conveyor (4) for the raw rice from the weighing machine (3).
A rough selector (6) for carrying in (5) to remove straw debris and the like in the paddy, and a conveyor (7) for the paddy from the rough selector (6).
A storage tank (8) pooled via a storage tank, a weighing tank (9) for measuring the weight of raw paddy from the storage tank (8), and a delivery tank (for delivering paddy from the bath (9) to a paddy silo or a drying section ( Each of the above-mentioned cargo receiving and weighing sections (1) and (2) is constituted by 10) and the like, and the weight and water content of the paddy are continuously measured, and the paddy is used as a preparation and shipping section for sorting the paddy from the drying section. Carried
While the rice is prepared and stored or shipped in brown rice, the central control unit (12) connected to the office computing unit (11) stores the cargo receiving (code) number from the cargo receiving operation panel (13) and the weighing tank (9). The load receiving data (paddy weight and water content) from the output section (14) is input.

Furthermore, it is equipped with a reducer (15) for taking out the sample paddy for voluntary inspection, and a part of the raw paddy weighed in the weighing tank (9) is taken out as a sample paddy into the reducer (15) and shipped. A uniform fixed amount (about 800 g) of sample rice from the unprepared raw rice is taken out through the above-mentioned decompressor (15) and fixed-quantity branch valve (16), and a fixed amount of sample rice from the branch valve (16). The sample is transferred to the test dryer (18) described later by the sample transfer device (17), and the surplus sample paddy from the compactor (15) is returned to the discharge tank (10). A certain amount of sample paddy is taken out to the sample transfer device (17) during each operation.

Further, a manual take-out valve (19) for taking out the sample paddy from the sample transfer device (17) as appropriate, and a standby conveyor (20) for temporarily holding the sample paddy sent from the sample transfer device (17) to the test dryer (18). And a test dryer (18) for drying the fed sample paddy to a substantially constant water content, and when feeding the sample paddy from the standby conveyor (20) to the loading hopper (21) which is the loading port of the dryer (18), The acceptance number of the sample paddy is read by the number reader (22) or by detecting the position of the input hopper (21), and the dried sample paddy is sent out (2).
When releasing from 3), the acceptance number of the released sample paddy is read by the number reader (24), and the moving position of the sample paddy is input to the centralized controller (12).

Next, a manual take-out valve (25) for taking out the dried sample paddy sent out from the test dryer (18), a standby box (26) for temporarily holding the sample paddy from the dryer (18), and the waiting box. It is equipped with a self-inspection machine (27) that divides the sample paddy from (26) into sized (rectified brown rice) and shavings (scraped rice) and measures the proportion of these, and then drying from the standby box (26). The sample paddy is put into the receiving hopper (29) of the self-inspection machine (27) through the quantitative branch valve (28) in an amount (about 300 grams) required for one self-inspection, and the sample packing machine (30). Seal the excess dry sampled rice with the above, and print the consignment number on the bag or attach the consignment number to the card and enclose the card in the bag for retesting. ) A sample of brown rice taken from Is hermetically sealed package by the sample packaging machine (31) as rice, intended to store print the consignee number to the bag, the amount of integer brown rice and Kuzumai centralized controller (1
It is configured so that it is entered in 2) and this ratio is calculated and recorded.

As shown in FIG. 3, the test dryer (18) has a large number of sample containers (32), in which the sample paddy introduced from the input port (21) is individually retained, and the input port (21). ) A single moving hopper (33) for inheriting the sample rice from the sample container (32) into a predetermined sample container (32) and the sample rice discharged from the sample container (32) after drying in one side of the dryer machine casing (34). Transfer conveyor (35), a discharge conveyor (36) for further moving the sample paddy from the transfer conveyor (35) to the outlet (23), and an inlet (37) in the machine casing (34). A sample (3) in the sample container (32) is provided with a heater (38) for sending hot air through the exhaust chamber (34) and an exhaust fan (40) for sucking and discharging the air in the machine casing (34) to the outside through the exhaust port (39). When the moisture content of the paddy has dried to the set state, it goes through each conveyor (35) (36). The delivery port (23)
It is configured to be taken out to the outside.

Further, the sample containers (32) are fixedly mounted on a grid-shaped holding plate (41), and the plate (41) is slidably supported on the machine casing (34) via guide rails (42). Thus, the containers (32) ... Can be taken out of the machine casing (34).

Further, the moving hopper (33) is supported by a machine casing (34) via a traveling mechanism (43) so as to be vertically and horizontally movable, and is a pair that guides the hopper (33) to move in a vertical direction (direction of arrow a). The vertical rails (44) (44) are fixed in the machine casing (34), and a pair of horizontal rails (45) (45) for guiding the hopper (33) in the lateral direction (direction of arrow b) are provided. Support the rails (44) (44) through the longitudinal wheels (46).
The vertical motor (4) mounted on the horizontal rails (45) (45)
The hopper (33) is provided so as to move in the vertical direction integrally with the horizontal rails (45) (45) by the drive of (7). The hopper (33) is a pair of horizontal rails (45).
(45) hopper holding frame (48) and traverse wheels (4)
9) is supported by the horizontal rails (45) (4) by the drive of the traverse motor (50) fixed to the frame (48).
The hopper (33) is provided so as to move in the lateral direction along the line 5), and the hopper is placed at a predetermined empty container (32) position based on a command signal output from the centralized controller (12). Each motor (47) to guide the movement of (33)
(50) is drive-controlled.

By the way, as shown in FIG. 4, the sample container (32) has a lower part (32a) and a bottom shutter (51) formed of a mesh, and the lower part (32a) and the shutter (51) are breathable. In addition, the upper opening (32b) of the container (32) is provided with an upper lid (54) via a shaft (52) and a torsion spring (53), and the upper lid (54) is normally supported by the spring (53). Is closed and held at the position of the regulating member (55), and when the paddy is put into the container (32) from the hopper (33), the weight of the paddy resists the force of the spring (53) and the upper lid (54 ) Is forcibly opened. After the fixed amount of paddy has been put into the container (32), the upper lid (54) is covered with these paddy.
Is kept open, and the lower side (32a) and the bottom plate (5
The hot air flowing in from the mesh of 1) absorbs moisture in the paddy while passing through these paddy layers. The shutter (51) is connected to a solenoid (56), and the shutter (51) is opened and closed by exciting and deenergizing the solenoid (56).

Further, a shutter (57) is also provided at the discharge port of the moving hopper (33), and this opening / closing operation is performed by a solenoid (5
It is configured to do in 8). Furthermore, a moisture sensor (61) is movably supported on the hopper (33) through a forward / reverse motor (59) and an adjusting screw shaft (60),
When the sensor (61) is brought into an operating state after a lapse of a certain drying time by moisture conversion at the time of receiving goods, the moisture content of the sample paddy is detected based on the capacitance change, and when the paddy is dried to the set state, the solenoid (56) ), The shutter (51) is opened. In addition, when any one of the shutters (51) in the container (32) is in the open state, the other container (3
The shutter (51) of 2) holds the closed state.

Further, in each of the above-mentioned embodiments, the configuration using the moisture sensor (61) is shown, but without using the sensor (61), only the drying time setting based on the initial moisture detection is performed and the sample paddy is fed from the test drier (18). It may be configured to take out.

This embodiment is configured as described above, and is installed in a rice center, a country elevator, a dry store, etc., and the raw rice harvested by the combine and the like is put into the load receiving weighing machine (3) for each individual and each cargo port. While taking out a certain amount of homogenized sample paddy from the raw paddy weighed by the weighing tank (9) to the sample transfer device (17) via the reducer (15) and the quantitative branch valve (16), The sample paddy of the transfer device (17) is dried by the test dryer (18) to the set water content, and the dried sample paddy is put into the self-inspection machine (27) to measure the unpolished rice and the scrap rice. The ratio is calculated, and the centralized control unit (12) controls the operation of each part based on the consignment number, and based on the self-inspection data of the sample paddy corresponding to the consignment number, the proportion of unpolished rice by individual and consignment Is an office performance It is intended to be registered in the vessel (11).

During such work, the inlet (21) of the test dryer (18)
The sampled paddy put in the above is once received by the moving hopper (33) which is held at the lower position of the input port (21) at the time of normal traveling stop, and then based on the command signal from the central controller (12). The traveling device (43) is operated to move the hopper (33) to a predetermined empty container (32) position, and when the hopper (33) reaches the predetermined container (32) position, the solenoid ( 58) The shutter (57) is opened by the operation, and the sample paddy from the hopper (33) is discharged into the container (32). When a certain amount or more of the sampled paddy is discharged and the paddy weight overcomes the force of the spring (53), the upper lid (54) of the container (32) is forcibly opened and placed in the container (32). The sample paddy from the hopper (33) is put up, and the paddy group that is put up thereafter holds the upper lid (54) open as shown by the phantom line in FIG. After that, the amount of heat of the timer is converted to the amount of moisture when receiving the cargo, and the amount of heat is supplied by hot air to evaporate the moisture and reduce the moisture content in the paddy to the set value. When the moisture sensor (61) detects the moisture content and the set value of the moisture content is confirmed, the shutter (51) is opened by the operation of the solenoid (56) and the sample paddy in the container (32) is removed. The paddy released onto the conveyor (35) is transferred to the discharge conveyor (36) at the end of its movement and taken out from the outlet (23) to the outside of the test dryer (18). It is what is done.

FIG. 5 shows another modified structure example in which a plurality of heaters (38a) are arranged in a substantially uniform state over the entire lower part of each sample container (32). A plurality of exhaust fans (40a) are arranged above the container (32),
In addition, a stationary moisture sensor (61) is fixedly installed at the delivery port (23) to uniformly dry each container (32),
The moisture contained in the dried sample paddy after the elapse of the time set by the timer is detected by the sensor (61), and when the set water content has not been reached, the inlet (2) is again supplied via the electromagnetic switching branch valve (62).
It can be configured to reduce to 1).

Further, FIG. 6 shows a configuration example in which the above-mentioned conveyors (35) (36) are replaced with the above-mentioned moving hoppers (33) further below each container (32) ... Both the sticking of the sample paddy and the taking-out of the paddy can be performed by the moving hoppers (33, 33), and the structure can be made compact. Further, by incorporating the above-mentioned test dryers (18) into a single unit frame (63), centralized control can be achieved in the drying work.

[Effects of the Invention] As is apparent from the above examples, the present invention provides a large number of samples in which a fixed amount of sample grain sampled from each load receiving lot collected from the load receiving weighing machine (3) is dried to a substantially constant water content. In a test dryer (18) structure provided with a container (32), the charging port (21) is provided between a grain charging and discharging port (21) (23) of the dryer (18) and a sample container (32). Since the single moving hopper (33) for sending the input grain from the sample container (32) to the predetermined sample container (32) or discharging it from the sample container (32) is interposed, the input port (21)
It becomes easy to transfer the sample grain from the to the predetermined sample container (32), and it is possible to automate the series of operations from the time it is sent to the dryer (18) until it is taken out.
As a result, the labor saving of the entire drying facility can be achieved, which is a remarkable effect.

[Brief description of drawings]

FIG. 1 is a sectional explanatory view of a test dryer, FIG. 2 is an explanatory view of the entire facility, FIG. 3 is a sectional plan view of the test dryer, FIG. 4 is a partially enlarged explanatory view, and FIGS. It is explanatory drawing which shows the example of a modified structure. (3) …… Receiving and weighing machine (18) …… Test dryer (21) …… Inlet (23) …… Outlet (outlet) (32) …… Sample container (33) …… Movement hopper

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-61-11160 (JP, A) JP-A-62-125287 (JP, A) JP-A-62-125286 (JP, A)

Claims (1)

[Claims] 1. A test dryer structure comprising a large number of sample containers for drying a fixed amount of sample grain for each receiving lot collected from a receiving and weighing machine to a substantially constant water content,
At least one of the grain inlet and outlet of the dryer and the sample container is provided with a single moving hopper for feeding the grain input from the inlet to a predetermined sample container or discharging the sample from the sample container. A test dryer for grain that is characterized by