JPH0765845B2 - 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.
The present invention relates to a grain test dryer in a grain co-drying facility such as a rice center, a country elevator, and a dry store, which is composed of a drying section, a storage section, and a preparation and shipping section.

"Conventional technology" In the conventional test dryer that is generally used, each lot of sample paddy is put in a plurality of storage shelves placed in the drying chamber, and after a certain drying time, the water content of the sample paddy of the rod becomes appropriate. Whenever this is confirmed, the sample paddy is taken out from the storage rack each time.

[Problems to be Solved by the Invention] In the above-mentioned conventional technology, it is necessary to artificially move the sample grain in and out, and since the sample grain is stored at a substantially constant position, the sample grain is dried depending on the storage position. It was easy to make a difference in time, and it was troublesome to check the drying time of the sample grain.

In addition, Japanese Utility Model Publication No. 37-31086 and Japanese Utility Model Publication No. 53-43593.
As shown in the publication, there is also a technique for moving and drying an object to be dried by an endless type transport mechanism. Therefore, using this technique, a plurality of storage shelves are moved and sample grains in each storage rack are dried. It may be possible to configure the conditions so that they are substantially equal, but in order to compactly install multiple storage shelves, the size of the storage shelves is limited, so the layer thickness of the sample grain to be put in the storage shelves should be thin. That can not be easily done, when the layer thickness of the sample grain becomes thick, the air inside the sample grain layer is not easily replaced, and it is easy to be unevenly dried between the outside and the inside of the sample grain layer, Even if the sample grains in the same storage rack have a high water content and a low water content, there will be problems such as post repairs such as hulling work and the quality inspection of the sample grains cannot be properly performed. Ah .

"Means for Solving the Problems" Therefore, according to the present invention, an endless grain transport mechanism having a plurality of storage bodies for storing sample grains is provided in the drying chamber, and a charging port for storing the sample grains in the storage bodies. Also, an outlet for taking out the sample grains of the container is provided on the side surface of the drying chamber, and in the grain test dryer for drying the sample grains by circulating a plurality of containers in the drying chamber, air for drying the sample grains is supplied. A ventilation means for forcibly moving the air between the sample grains inside the container by forcibly introducing it into the container and allowing it to pass therethrough is provided.

"Working" Therefore, even if the layer thickness of the sample grain inside the container is thick, the air inside the sample grain layer can be replaced in the same manner as the outside, and the inside and outside of the layer of the sample grain in the same container can be approximately equalized. Can be properly dried, and can properly perform sample grain post-treatment such as paddy sliding industry and quality inspection of sample grain, and can compactly arrange multiple storage units provided in the grain transport mechanism in a compact size. As compared with the prior art, it is possible to easily improve the function of drying the sample grain and simplify the grain transport mechanism.

[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) that puts raw rice into each loading port and weighs this, and a conveyor (4) for the raw rice from the weighing machine (3).
A storage tank (6) which is carried in and pooled by (5), a weighing tank (7) for measuring the weight of raw paddy from the storage tank (6), and a rough for removing straw debris in the paddy from the conveyor (5). Selection machine (8)
And a conveyor (8a) and a delivery tank (9) for delivering the paddy from the tank (7) to a paddy silo or a drying section, etc., to configure the load receiving and weighing sections (1) and (2). While continuously measuring the weight and water content of the paddy, the paddy is transported from the drying section to the preparation and shipping section, which performs hull sorting, and is stored or shipped in brown rice and connected to the office computing unit (10). Input the receipt number (code) from the receipt operation panel (12) and the receipt data (paddy weight and water content) from the output section (13) of the weighing tank (7) to the centralized controller (11) Is configured as follows.

Furthermore, it is equipped with a reducer (14) for taking out sample rice for voluntary inspection, and a part of the raw rice that has been weighed in the measuring tank (7) is taken out as sample rice to the reducer (14) and shipped. A uniform amount (about 800 grams) of sample rice from the unprepared unprocessed paddy is taken out through the decompressor (14) and the metering branch valve (15), and a fixed amount of the sample paddy from the branch valve (15) is obtained. Is transferred to the test dryer (18) described later by the sample loader (16), and the surplus sample paddy of the compactor (14) is returned to the discharge tank (9). During this work, a certain amount of sample paddy is taken out to the sample loader (16).

Further, a test dryer (18) for drying the sample paddy from the sample loader (16) to a substantially constant water content is provided, and the receiving hopper (1) of the dryer (18) from the loader (16) is provided.
9) When feeding sample paddy into (19), loader (1
6) The discrimination signal of the two paths of (16) is output to the centralized control unit (11), and the acceptance number of the sample paddy sent to the dryer (18) is read by the number reader (20), and after the drying, When discharging the sample paddy from the outlet (21), the receiving number of the sample paddy released is read by the number reader (22), and the moving position of the sample paddy is input to the centralized controller (11). There is.

Next, the sample paddy dried by the dryer (18) is divided into sized (sized brown rice) and shavings (scraped rice), and a voluntary inspection machine (23) for measuring the ratio thereof is provided, and the delivery port ( twenty one)
The amount of dried sample paddy from (3) is put into the receiving hopper (25) through the fixed-quantity branch valve (24) only for the amount required for one voluntary inspection, and an extra dried sample is put by the sample packing machine (26). The paddy is hermetically packaged, and the bag is printed with the consignment number and stored, and brown rice extracted from the self-inspection machine (23) is hermetically packaged by the sample packaging machine (27) as sample brown rice, and the bag has the consignment number. Is printed and stored, and the amount of plain rice and scrap rice is input to the central controller (11),
This ratio is calculated and recorded.

The test dryer (18) is the sample loader (16).
A certain amount of sample paddy taken out to the net bag
The one packed in ... is dried in the drying chamber (18a), and is stretched between the drive sprocket (29) and the floating sprocket (30) as shown in FIGS. 3 to 5. A chain conveyor (33) which is a grain transfer mechanism for suspending the bags (28) on the endless chain (31) through the clip (32) and circulatingly moving the bag (28) in the drying chamber (18a) at a low speed.
And the lower air intake (35) inside the dryer box (34)
A heater (36) that takes in more hot air, and the conveyor (3
An exhaust duct (38) extending in a comb shape along the meandering path (37) of 3), and a machine (34) through the duct (38).
An exhaust fan (40) for discharging the internal air from the exhaust pipe (39) at the upper part, and an automatic suspension for suspending a bag (28) of the sample paddy from the sample loader (16) on the clip (32). And a machine (41), and the number of the suspended bag (28) is read by the number reader (20), and sample grains are put in the suction ports (38a) (38b) of the exhaust duct (38). The ducts (38) are arranged along the chain conveyor (33) so that they can be moved close to each other, and the suction ports (38a) (38b) facing each other in the same duct (38) are opened in a zigzag manner, and the duct ( It is configured that hot air can be alternately sucked into the inside of the wall from the facing wall surface.

As is apparent from the above, the chain conveyor (33), which is an endless grain transport mechanism having a bag body (28) that is a plurality of storage bodies for storing sample grain, is provided with a drying chamber (18a).
The receiving hopper (19) which is provided inside and is an inlet for putting the sample grain into the bag body (28), and the delivery port (21) which is an outlet for taking out the sample grain of the bag body (28) are provided in the drying chamber. (18a) A test drier for grains which is provided on the side surface and which circulates a plurality of bags (28) in the drying chamber (18a) to dry the sample grains, supplies air for drying the sample grains to the bag (28). ) A suction port (38a) (3a) (3a) provided in the ventilation means for forcibly moving the air between the sample grains inside the bag (28) by forcibly introducing it into the bag (28) and passing it through.
8b) is provided.

In addition, a chuck arm (a moisture detection mechanism that is a moisture detection mechanism that detects the moisture content of the sample paddy inside by sandwiching the bag body (28) moved by the conveyor (33) based on the change in the capacitance of the moisture sensor (42) ( 43) and (44) and a take-out arm (45) which is a grain discharging mechanism for forcibly opening the clip (32) and discharging it to the delivery port (21) when the water content is below a certain level.
(46) and a motor (48) for rotationally driving the drive sprockets (29) through a chain transmission mechanism (47),
The conveyor (33) is continuously or intermittently driven by a motor (48) to circulate the bag body (28) along the meandering path (37), and the bag body (28) is moved to the chuck arm (43). ) (44) to detect the moisture content of the sample paddy based on the change in capacitance of the moisture sensor (42), and when the sample paddy has dried to the set state, the bag body (28) removes the extraction arm ( It is taken out to the delivery port (21) at the 45 (46) position, and the number of the taken out bag (28) is read by the number reader (2).
It is configured to read by 2).

Further, upper and lower front opening / closing windows (49) (50) are provided respectively on the front upper part and the lower part of the dryer (18) so that internal inspection can be performed from the upper opening / closing window (49) and manual operation can be performed from the lower opening / closing window (50). Therefore, the bag body (28) is configured to be suspended from the clip (32). Furthermore, the dryer (1
An operation panel box (51) is provided on the right side of 8), and the box (51) is provided with a moisture meter (52), a thermometer (53), various operation switch groups (54), and the like.

As shown in FIGS. 6 to 7, the clip (32) is supported by the left and right endless chains (31) and (31) at the center of a horizontal shaft (55) which extends laterally at regular intervals. It is moving in the direction of the arrow. The chuck arm (43)
In (44), the base ends are integrally supported by the shafts (56) (57), and these shafts (56) (57) are interlockingly connected to each other through fan-shaped partial gears (58) (59). One side of the shaft (56) is the piston rod (60a) of the pair of cylinders (60) (61)
Is connected via a swing arm (62). The cylinders (60) (61) are integrally connected to each other in opposite directions via a connecting plate (63), and the piston rod (61a) of the other cylinder (61) is connected via a shaft (64) to a casing (34). Side, and when either one of the cylinders (60) and (61) is extended, the chuck arms (43) and (44) are moved to the position indicated by the virtual line a in FIG. 6, and the cylinders (60) and (61) are further moved. When both of them are extended, the chuck arms (43) and (44) are closed to the substantially parallel position b. Further, the transfer receiving plate (66) is supported on the tip of the other chuck arm (44) via the support shaft (65), and the other end of the receiving plate (66) is used as the bottom plate (18b) of the drying chamber (18a). It is provided so as to be slidably contacted so as to assist the smooth movement of the bag body (28) to the moisture measurement position (between the chuck arms (43) and (44)) by the conveyor (33).

As shown in FIG. 8, the take-out arms (45) and (46) have their base ends integrally supported by the shafts (67) and (68).
Piston rod (72a) tip of cylinder (72), which connects (68) with each other via fan-shaped partial gears (69) (70) and fixedly supports them through shaft (71) on the side of base (34) When the fixed swing arm (73) of the shaft (68) is connected to the cylinder (72) and the cylinder (72) is extended from the state shown in FIG. 6, the arms (45) and (46) are closed to the state shown in FIG. Simultaneously with operation, press rolls (7
4) The clip (32) is configured to be forcedly opened by (75).

Further, a discharge guide plate (76) that guides the bag body (28) that falls when the clip (32) is opened to the delivery port (21) is fixedly supported on one of the shafts (68). The guide plate (76) is provided so as to rotate counterclockwise in conjunction with the closing operation of the arms (45) (46).

By the way, FIG. Fig. 6. As shown in FIG. 7, the chuck arm (43) in the conveyance path of the bag body (28).
The bag body detection first switch (77) is located in front of the (44) position, and the bag body (2) is provided at a substantially central position between the chuck arms (43) and (44).
8) The water measuring and measuring position detecting second switch (78) for detecting that the moisture measuring state has been reached, and the bag body (28) after moisture measuring is chucked at a position above the chuck arms (43) (44). A detachment detection third switch (79) for detecting detachment from the arms (43) and (44) is provided, and the take-out arms (45) and (46) are also provided with a bag body (28) after moisture measurement to reach a release position. Release position detection fourth switch (8
0) are installed respectively, and the bag detection first switch (7
When the 7) is turned on, the chuck arms (43) and (44) are once closed to the b position to adjust the zero point of the moisture sensor (42) and then held open at the a position. When the detection second switch (78) is turned on, the bag (2
8) is placed in the center and the chuck arms (43) and (44) are closed to the b position again to measure moisture, and the next zero point adjustment is possible when the detachment detection third switch (79) is turned on. When the release position detection fourth switch (80) is turned on and the moisture sensor (42) detects that the water content is below a certain level, the extraction arms (45) (46) are closed to close the bag body (28). Is discharged from the delivery port (21) to the outside of the machine.

Further, as shown in FIG. 9, a damper (82) for opening and closing the suction ports (38a) (38b) is attached to the exhaust duct (38) via a support shaft (81), and the damper (82) is closed. A weight (83) for supporting is provided to connect the damper (82) in a closed state and the stretchable shielding sheet (84) that closes the opening edges of the suction ports (38a) (38b) to the damper (82). An opening lever (85) for contacting the bag body (28) suspended in the endless chain (31) is connected to the damper (82), and when the damper (82) is fully opened, the bag body (28) is opened. The lever (85) is attached to the tip of the damper (82) via the bending fulcrum (86) so as to be bendable in the moving direction by the bag (28).

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 light receiving device (3) for each individual and each cargo port. , Weighing tanks (7)
A small amount of homogenized sample rice is taken out from the lightweight rice paddy to the sample loader (16) through the reducer (14) and the metering branch valve (15), while the sample rice of the loader (16) is taken up. Is dried with a test dryer (18) to the set water content, and the dried sample paddy is independently inspected (23).
It is used to measure the ratio of unpolished rice and scrapped rice, and the ratio of these is calculated. Centralized controller (11) controls the operation of each part based on the receipt number, and voluntary operation of sample paddy corresponding to the receipt number. Based on the inspection data, the proportion of plain rice by individual and shipment is registered in the office computing unit (10).

The operation in the test dryer (18) will now be described with reference to the float chart of FIG. 10. Now, the bag conveyor (28) is moving by the chain conveyor (33).
7) When the switch (77) is in the ON position and the third switch (79) is in the ON position, the cylinders (60) (6)
1) is operated to close the chuck arms (43) and (44) to the b position, and the zero point of the moisture sensor (42) is adjusted. The moisture value (α) at this time is stored and then the chuck arms (43) (44) opens to position a. This arm (43)
When the bag body (28) arrives between (44) and the second switch (78) is turned on, the chuck arms (43) (44) close to the b position again, and the moisture value of the sample paddy in the bag body (28) (Β) is detected. When the difference (β-α) is less than a certain value, the bag body (28) reaches the position of the fourth switch (80) and the switch (8
(0) is turned on, the cylinder (72) operates to close the take-out arms (45) and (46) to close the creep (32).
The holding of the bag body (28) suspended in the air is released, and the bag body (28) is discharged from the delivery port (21) to the outside of the machine.

Although the chuck arms (46) and (44) are provided so as to be orthogonal to the moving direction of the bag body (28) in the above-described embodiment, they are provided substantially parallel to each other and the center of the gap between the chuck arms (43) and (44) is set to the bag body (28). ) May move.

Further, as is apparent from FIG. 9, as the bag body (28) moves up and down along the outer surface of the exhaust duct (38) by driving the endless chain (31), the bag body (28) is moved to the opening lever (85). ), The damper (82) is opened to open the suction ports (38a) (38b) of the exhaust duct (38), and the bag (28) is provided outside the opened suction ports (38a) (38b). ) Is located, the air in the drying chamber (18a) is sucked into the exhaust duct (38) through the bag (28) from the suction ports (38a) (38b), and the air inside the bag (28) It can remove moisture efficiently, and the bag (28) has suction ports (38a) (38b).
When it is away from the suction port (38
Since a) (38b) are closed, useless ventilation in the drying chamber (18a) can be prevented, the exhaust fan (40) can be downsized and exhaust efficiency can be improved, and the temperature change in the drying chamber (18a) It is possible to reduce the size of the heater (36) and improve the heating efficiency.

Further, as shown in FIG. 9, a switch (87) which is turned on by the opening of the damper (82) is provided, and the endless chain (31) is provided with the bag body (28) facing the suction ports (38a) (38b).
Can be stopped for a certain period of time and the chain (31) can be intermittently driven to move the bag body (28) to shorten the drying time and improve the efficiency.

Further, FIG. 11 shows a modified example of FIG. 9, which is slidably attached to the exhaust duct (38) through a damper (82) guide (88) for opening and closing the suction ports (38a) (38b). ,
The spring (89) for closing and supporting the damper (82) is connected to the damper (82), and the bag body (28) moved by the endless chain (31) contacts the rotation lever (86) and resists the spring (89). Then, the damper (82) is opened, and the air in the drying chamber (18a) is sucked into the exhaust duct (38) from the suction ports (38a) (38b) through the bag body (28). ) Along the wall surface of the exhaust duct (38) to reduce the transverse interval (width) of the duct (38) to reduce the damper (38).
Can be formed to be elongated and compact.

Further, FIG. 12 shows another embodiment, in which the side surface of the exhaust duct (38) provided in parallel with the endless chain (31) is inclined toward the end and the bag body (28) is moved up and down by the chain (31). The duct (38) is slid on the outer surface of the duct (38) so that the suction ports (38a) (38b) of the duct (38) can be easily closed with the bag body (28). The suction ports (38a) (38b) are connected to the duct (3).
8) Make sure that the air in the drying chamber (18a) that is sucked into the bag passes through the inside of the bag (28), and the unevenness of the sample paddy and the bag (2
8) It prevents the stuffiness of the sample paddy inside.

[Effects of the Invention] As is clear from the above examples, according to the present invention, an endless grain transfer mechanism (33) having a plurality of storage bodies (28) for storing sample grains is provided in the drying chamber (18a). Provided on the side surface of the drying chamber (18a) are an inlet (19) for inserting sample grains into the container (28) and an outlet (21) for taking out sample grains of the container (28). In the test dryer for grain that circulates a plurality of storage bodies (28) in 18a) to dry the sample grains, forcibly introduce the air for drying the sample grains into the storage bodies (28). Ventilation means (38a) (3a) for forcibly moving the air between the sample grains inside the storage body (28) by passing it.
8b) is provided, the air inside the sample grain layer can be exchanged in the same manner as the outside even if the layer thickness of the sample grain inside the container (28) becomes thicker, and the same container (28)
The inside and outside of the layer of the sample grain can be dried substantially evenly, and the sample grain post-treatment such as hulling work and the quality inspection of the sample grain can be appropriately performed,
The plurality of storage bodies (28) provided in the grain transport mechanism (33) can be downsized and compactly arranged, and the sample grain drying function can be improved and the grain transport mechanism (33) can be simplified compared to the conventional case. Is something that can be done.

[Brief description of drawings]

FIG. 1 is a sectional explanatory view of the test dryer, FIG. 2 is an explanatory view of the entire facility, FIG. 3 is a front view of the test dryer, FIG. 4 is a right side view of the same, FIG. 5 is a rear view of the same, and FIG. The figure is an enlarged explanatory view of the same part, FIG. 7 is a side explanatory view of the previous figure, FIG. 8 is an operation explanatory view of the take-out arm part, and FIG. 9 is a partially enlarged view of an exhaust duct.
FIG. 10 is a flow chart showing the relationship between the first to fourth switches, FIG. 11 is a partially enlarged view of an exhaust duct showing a modified example of FIG. 9, and FIG. 12 is a partial view of an exhaust duct showing another embodiment. Is. (18a) …… Drying room (19) …… Reception hopper (input port) (21) …… Sending port (outlet) (28) …… Bag (storage) (33) …… Chain conveyor (grain transfer) Mechanism) (38a) (38b) …… Suction port (ventilation means)

Claims (1)

[Claims] 1. A plurality of storage bodies (28) for storing sample grains.
An endless type grain transporting mechanism (33) having ... is provided in the drying chamber (18a), and a sample grain of the storage body (28) and an input port (19) for inserting the sample grain into the storage body (28) are provided. An outlet (21) for taking out the grains is provided on a side surface of the drying chamber (18a), and a plurality of storage bodies (28) are circulated in the drying chamber (18a) to dry the sample grains. Containers for air to dry the grain (28)
Grains provided with aeration means (38a) (38b) for forcibly moving the air between the sample grains inside the storage body (28) by forcibly introducing and passing the grains inside. For test dryer.