JPS61240087A - Setter for temperature of hot air of cereal grain drier - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a hot air temperature setting device for a single grain dryer.

Conventional technology Conventionally, a switching device was used to manually switch and set the temperature of the hot air generated from a burner, and the amount of loaded grain stored in the storage chamber was visually determined, and the amount of loaded grain was determined based on the amount of loaded grain. This device manually operated a switching device to set the temperature of the hot air generated from the burner.

Problems to be Solved by the Invention The grains stored in the storage chamber are visually judged to determine the amount of grain stored, the switching device for switching the temperature of the hot air is operated to set the temperature of the hot air generated from the burner, and the temperature of the hot air generated from the burner is set. In the dryer, the drying chamber is cross-ventilated by sucking the hot air generated in the drying chamber with an exhaust fan, and the grains flowing down from the storage chamber into the drying chamber are exposed to this hot air and dried. At the start of work, the amount of grain stored in this storage chamber was visually determined through a viewing window installed in the machine wall. The amount may not be determined, and for this reason, the set hot air temperature may be too high, causing the kernels to overdry and cause shell side, or the set temperature may be too low, making it impossible to obtain the desired drying speed. there were.

Means for Solving the Problems This invention provides a storage chamber (2) in the upper part of the machine wall (1) and a drying chamber (3) in the lower part, and stores grains into the storage chamber (2). A grain lifting machine (5) having a grain loading funnel (4) on one side for supplying grain is installed on one side of the machine wall (1), and a portion near the grain loading funnel (4) is provided with a Once the grain is placed there, it is passed through the grain raising funnel (4), through the raising grain 41 (5), and into the storage chamber (
2) A grain loading stand (7) with a weight detection sensor (6) at the bottom to detect the weight of the grain to be loaded into the machine is installed, and one side of the machine wall (1) is equipped with hot air. burner (
8) is provided, and the weight detection sensor (6) detects the weight of the grains placed on the grain pedestal (7), and depending on the detected grain weight, the burner (8) A hot air temperature setting device for a grain dryer is provided with a control device for setting and controlling the temperature of hot air generated by the grain dryer.

Functions and Effects of the Invention While the grains housed in the machine wall (1) are drawn out from the storage chamber (2) into the drying chamber (3) and flowed down, the hot air generated by the burner (8) is sucked up by the exhaust fan. At the same time, the drying chamber (3) is ventilated across the drying chamber (3), and the grains flowing down the drying chamber (3) are exposed to the hot air and dried. ) The grains to be dumped into the container are placed on the dumping grain pedestal (7), and from this dumping grain pedestal (7), the grains are fed into the grain dumping funnel (4). The grains are conveyed to the upper part by the grain raising machine (5) and stored in the storage chamber (2), but the grains once placed on the staked grain pedestal (7) are Stand (7)
The weight is detected and integrated by the weight detection sensor (6) installed at the bottom, and the total weight of the grains stored in the storage chamber (2) is detected. Based on the detected grain weight, the control device controls the burner. (3) Drying is performed by setting and controlling the temperature of the hot air generated.

Conventionally, the device visually determines the amount of grain stored in the storage chamber (2) and manually operates a switching device based on this stored amount to set the temperature of the hot air generated from the burner (8). However, according to the present invention, the total weight of the grains stored in the storage chamber (2) is detected by the detection sensor (6), and the temperature of the hot air generated from the burner (8) is controlled by this detected value. Since the temperature is set by the device, the temperature of the hot air is commensurate with the amount of grains stored in the storage chamber (2), so the grains do not become over-dry and the shell side does not occur, and the temperature is always maintained at the specified level. The drying rate dries the grain.

Embodiment In the illustrated example, the machine wall (1) of the dryer 41 (9) has a rectangular shape in plan view that is long in the front and rear direction, and consists of one front and rear wall plate and one left and right wall plate, and the upper part of this machine wall (1) has a ceiling. board (10),
(10), and an operating device (11) for starting and stopping the dryer (9) and controlling each part thereof is detachably provided on the front wall plate.

A lower transfer gutter (12) which is located in the center of the lower side of the machine wall (1) and has a cross-shaped transfer spiral in the front and rear directions is provided, and on this lower transfer gutter (12) A V-shaped grain collection room (13) is provided for communication.

Above this grain collection room (13) are vertically located drying rooms (3), (3)
) is formed between the left and right ventilation mesh plates to communicate with each other, and this dryer (
3), (3) The lower portion is provided with rotatable feeding valves (14), (14) for feeding out grains.

An inclined plate is provided on the upper side of each of the ventilation mesh plates, a partition plate is provided on the lower side, a hot air chamber (15) is formed between the inner ventilation mesh plates, and the burner case is provided on the front wall plate. (18) communicate with a burner (8) built into the interior of the rear wall plate, and form ventilation chambers (I7) and (17) between the outer ventilation net plate and the left and right wall plates; It is configured to communicate with an exhaust fan (18) provided in the section. A fuel pump (1) is provided on the outside of the lower wall plate of the burner case (16) to supply combustion fuel into the burner (8).
9), and a fuel tank (
20), the fuel hose (21), and the fuel pump (19)
) and a fuel supply pipe (22) to supply combustion fuel into the burner (8), and combustion air is supplied to the burner case (18) through a blower (23) and a blower (23) installed on the outside of the wall plate. The blower motor (20) blows combustion air into the burner (8) through a blower duct (25).

A motor (2B) is provided on the lower right side of the machine wall (1), and this motor (26) operates the delivery valves (14), (14).
, the transfer spiral in the lower transfer gutter (12), the exhaust fan (1B), etc. are rotationally driven.

A storage chamber (2) is formed above the drying chamber (3), (3), and the ceiling plate (10) above the storage chamber (2);
(10) Upper transfer gutter with internal transfer helix (
27), a supply port for supplying the transferred grains into the storage chamber (2) is opened in the center of the upper transfer gutter (27),
A diffusion plate (28) is provided at the bottom of this supply port, and this diffusion plate (28) is configured to uniformly diffuse and return the grains into the storage chamber (2).

The grain raising machine (5) is detachably attached to the front part of the front wall board.
inside, a packet conveyor (30) belt is stretched between the upper and lower pulleys, and the upper end and the upper transfer gutter (27)
A dispensing tube (31) is provided between the starting end and the lower transfer gutter (12) for communication, and a supply gutter (32) is provided between the lower end and the terminal end of the lower transfer gutter (12) for communication. , the grain raising machine (5
) A grain filling funnel (4) is provided on the lower side to feed grain into the grain hoist (5), and a motor (28) is provided on the upper side. A motor (29) connects the packet conveyor (30) belt and the upper transfer gutter (27).
) is configured to rotationally drive the transfer helix within.

At the front upper part of the grain loading funnel (4) of the grain raising machine (5), a box-shaped loading grain pedestal (7) is provided.
) A weight detection sensor (6) is provided at the lower part, and the weight detection sensor (6) is used to place the grain on the pedestal (7), and then remove the grain from the pedestal (7). Grain filling funnel (4)
from the grain raising machine (5) to the upper transfer trough (2).
7) and detects the weight of the grains to be stored in the storage chamber (2).

The operating device (11) is box-shaped and has an I-A start switch (33), a stop switch (34), a grain type setting notch (35), etc. on the surface, and a control device inside! ! ?
(3B), and the control device (38) has the respective switches (33), (30 and the setting switch (35)).
an input circuit (37) into which the operation is input;
A D converter (38), an input circuit (37) into which the converted value converted by the A-D converter (38) is input, and various input values input from these input circuits (37) and (37). CPU (3) that performs arithmetic and logical operations and comparison operations
9) and an output circuit (40) that receives and outputs various commands from the CPU (39),
This control device (3B) starts, stops, and controls the fuel pump (18) and each of the motors (20, (26), (28), etc.).

The CPU (39) stores the weight of the loaded grain detected by the weight detection sensor (6) and the grain type set in the grain type setting transfer (35). The fuel pump (lθ) then controls the burner (8) so that the stored hot air temperature is the same as the detected weight of the loaded grains. This CPU (38
), and the hot air temperature at each weight is stored in the CPU (, 39).

By operating the operating device (11), the hot air generated from the burner (8) provided on the front wall plate is sucked and exhausted by the exhaust fan (18) provided on the rear wall plate, and the hot air chamber (15) The drying chamber (3) is ventilated, and the grains stored in the wall (1) of the dryer (9) are exposed to this hot air while flowing down the drying chamber (3), are dried, and are fed out. The grain is fed out to the bottom by the valve (10), transferred to the feed gutter (32) by the lower transfer helix, transported to the upper part by the hoisting machine (5), and spread to the upper part (28) by the upper transfer helix. This diffusion plate (2
In step 8), the grains are evenly diffused back into the storage chamber (2), circulated and dried, and when the grains reach the specified moisture content, the operating device (11) automatically controls the dryer (9) to automatically stop. , during this drying work, the grains to be dried are placed on the bulging grain holder (7)
Once placed on top, the grains are supplied from above this tensioning grain pedestal (7) into the grain tensioning funnel (4) of the grain raising machine (5), and from this grain tensioning funnel (4). The grains that flow down are conveyed to the upper part by the grain hoist (5), but the grains once placed on the staked grain pedestal (7) are transported to the lower part of this staked grain pedestal (7). The weight detection sensor (6) provided in the machine wall (1) detects the total weight of the grains housed in the machine wall (1), and based on this detected value, the temperature of the hot air generated from the burner (8) is determined by the operating device. The combustion fuel supplied from the fuel pump (18) to the burner (8) is set and controlled by the control device 1 (3B) in (11), and the temperature of the hot air generated from the burner (8) is controlled. The grains are dried.

The weight detection sensor (6) detects the weight of grains accommodated in the 41 wall (1), and based on this detected value, the burner (8)
) Since the grains are dried by setting and controlling the temperature of the hot air generated by the drying method, the grains are always dried at a predetermined drying speed, so that the grains do not turn to the shell side.

In addition, to explain another embodiment shown in FIG. 6, the dryer (9) 1! A moisture detection sensor (41) for detecting moisture in the grains circulating and drying in the dryer (9) is installed on the front wall board section (1), and this moisture detection sensor (41) is box-shaped. A detection part for detecting the moisture content of grains protrudes from the inside of the box, and this protrusion part is installed in such a manner that it protrudes into the front wall plate, and when it flows down inside the machine wall (1), the grains are crushed under pressure. At the same time, it is configured to detect the moisture content of the crushed grains. (42) is a discharge funnel, (43) is a discharge tube, and the discharge funnel (42) is provided with an on-off valve (44) that can be opened and closed.

(45) is a huller, (48) is an operating device, (47)
is a paddy receiving funnel, and when this operation device (48) is operated, the huller 41 (45) starts to start, and at the same time, the drying am (9) and the moisture detection sensor (41) start to start. Also, the dried grains stored in the dryer (9) are transported from the discharge funnel (42) through the discharge tube (43) to the huller by opening the on-off valve (44). The paddy is supplied into the paddy receiving funnel (47) of (45), and the paddy is removed by the hulling machine (45).

When the moisture detection sensor (41) starts to operate, the moisture in the grains during discharge circulation is detected by the moisture detection sensor (41).
, and when the moisture value of the detected grain is higher than a predetermined value, an alarm is issued from the operating device (4B), and at the same time, the operating device (4B) automatically stops the dryer (9). When the dried grains have a moisture value higher than a predetermined value, the dried grains are transferred from the dryer (9) to the huller (45).
).

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a block diagram, Fig. 2 is a front perspective view, Fig. 3 is a partially cut away side view, and Fig. 4 is an A-- A sectional view and FIG. 5 are enlarged front views of a portion thereof. FIG. 6 is a diagram showing another embodiment, and FIG. 6 is a side perspective view. In the figure, (1) is the machine wall, (2) is the storage room, (3) is the drying room, (4) is the grain loading funnel, (5) is the grain raising machine, (6)
indicates a weight detection sensor, (7) indicates a staked grain pedestal, and (8) indicates a burner.

Claims (1)

[Claims] A storage chamber (2) is provided in the upper part of the machine wall (1), and a drying chamber (3) is provided in the lower part, and a grain filling funnel is installed on one side for supplying grains into this storage chamber (2). (4) is installed on one side of the machine wall (1), and the grain raising machine (5) is placed in the vicinity of the grain raising funnel (4), and the grain raising machine (5) is placed in the vicinity of the grain raising funnel (4). Filling funnel (4)
A grain loading stand (7) having a weight detection sensor (6) at the lower part for detecting the weight of the grains loaded into the storage chamber (2) through the grain raising machine (5) is provided; The machine wall (1)
A burner (8) that generates hot air is installed on one side, and the weight detection sensor (6) detects the weight of the grain once placed on the loaded grain pedestal (7). By weight
A hot air temperature setting device for a grain dryer comprising a control device for setting and controlling the temperature of hot air generated from the burner (8).