JPS604072Y2 - Residue grain processing equipment in grain dryer - Google Patents

Description

[Detailed description of the invention] The present invention is a grain dryer in which grain remaining in the grain flow path below the dry grain delivery rotary valve in the grain dryer can be removed by a suction fan, that is, an exhaust fan. Relating to residual grain processing equipment.

Conventionally, a rotary valve is installed downstream of the drying section of a grain dryer to send out dried grains, but grains remain in the vicinity of this rotary valve, especially in the grain flow path below, and these grains are left untouched. If the remaining grains are exposed to moisture or rotten, they become mixed with the next drying grain, causing deterioration of quality, and also causing drying. After the process is completed, a cleaning stick or the like is used to remove the product, but this process is troublesome and difficult to remove.

In addition, under the multiple rows of paddy flow channels installed vertically in the ventilation drying drum, a floating paddy plate is pivoted so as to be removable to form an initial outlet passage. A plurality of operating shafts suspended in the section are each equipped with a supporting rod for supporting the rice grain board, and one end of the link rod is pivotally supported on each operating shaft, and the other end of the link rod is connected to one handle. Japanese Utility Model Publication No. 50-45013 discloses a device for removing residual paddy from a feeding section of a grain dryer which simultaneously ejects the large number of support rods and ejects the rice grain board downward by ejecting the handle.
In this case, the hot air exhaust frame and the take-out tank do not communicate with each other, so there is no air exhaust effect in the take-out tank, and the flow of paddy plates that form part of the grain flow path wall does not occur. Since not only the sides but also the bottom are moved and tilted to remove residual rice by its own weight, a support rod is required to support the bottom of the rice dumping plate, resulting in a complicated structure.

The purpose of the present invention is to eliminate the above-mentioned drawbacks, and the side wall near the rotary valve located downstream of the drying section of a grain dryer is shaped with a pivotable shielding plate, and the shielding plate is opened. To provide a residual grain processing device for a grain dryer that is capable of removing residual grain by suction using an exhaust fan, and has a simpler structure than a device that removes residual grain by its own weight. be.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Referring to FIG. 1, a grain dryer is indicated generally by the number 1.

The grain dryer 1 has a housing 3, in which a storage section 18, a drying section 17, and a burner 4 are arranged, and an exhaust fan 8 is attached to the side thereof.

The drying section 17 is exposed to a screen 5 formed of a wire mesh or the like that is separated from the storage section 18 into two grain flow paths.

A guide 6 is provided in the storage section 18 upstream of the drying section 17 to flow the grains smoothly.

Dried grains 15 are placed in the grain flow path downstream of the drying section 17.
In order to send out from the drying section 17, the rotary valve 9
are provided for each.

The grain delivered from the rotary valve 9 passes through a ramp and is collected on a screw conveyor 10, which feeds it to a grain lifting machine 16.

The grain lifting machine 16 is connected to the upper part of the storage section 18.

A suction fan and exhaust fan 8 are provided on one side of the housing 3, and the exhaust fan 8 is driven by the motor 7.

In the figure, 11 is an inspection window.

Referring now to FIG. 2, a residual grain processing apparatus according to the present invention is indicated generally by the numeral 2.

The residual grain processing device 2 is provided near the rotary valve 9 located at the lower end of the screen 5, that is, downstream of the drying section 17, particularly in the side grain flow path.

The residual grain processing device 2 includes a common double shaft 12 attached to the wall of the grain flow path, and a first shielding plate 13 and a second shielding plate 14 rotatably attached to each of the double shafts 12. The shielding plates 13, 14 form side walls of the grain channel wall 21.

The first shielding plate 13 has a handle (
(not shown) can be pivoted to block the grain flow path.

The second shielding plate 14 is pivoted by operating another handle (not shown) provided on the double shaft 12, and the second shielding plate 14 is pivoted by operating a handle (not shown) provided on the double shaft 12.
The air passage between the screen 5 and the screen 5 can be blocked.

Furthermore, the second shielding plate 14 has a protrusion 20 at the lower end and a stepped recess 19 at the middle.

The protrusion 20 can engage the grain channel wall 21 as shown in solid lines in FIG.
It can come into contact with.

The depth of the recess 19 is equal to the thickness of the first shielding plate 13, and the first shielding plate 13 fits into the recess 19, so that the first shielding plate 13 and the second shielding plate 14 form a flat grain stream. A portion of the inner wall surface of the channel is formed.

Next, the operation of the residual grain processing apparatus 2 according to the present invention will be explained.

As shown by the solid line in FIGS. 1 and 2, the first shielding plate 13
is fitted into the recess 19 of the second shielding plate 14, and the grain flow path wall 2
1 is engaged with the protrusion 20, and the first shielding plate 13 and the second shielding plate 14 form a part of the grain flow path in the vicinity of the rotary valve 9, particularly on the side.

In this state, the grain dryer 1 can perform the drying operation as usual.

After the drying operation is completed, the first shielding plate 13 and the second shielding plate 14 are removed.
By operating each of the handles (not shown), the lower end of the first shielding plate 13 comes into contact with the rotary valve 9 to shield the grain flow path, as shown by the chain line in FIG. The rear surface of the protrusion 20 of the shielding plate 14 is brought into contact with the housing 3 to shield the air passage between the screen 5 and the housing 3, and at the same time open the side of the rotary valve 9.

Furthermore, when the inspection window 11 is opened, that is, when it is used as an air intake and the exhaust fan 8 is operated, everything except the air passage between the rotary valve 9 and the grain channel wall 21 is blocked, and the inspection window 11 is closed. Since it is open, air is taken in through the inspection window 11, and the grains 15 remaining between the rotary valve 9 and the grain flow path wall 21 are easily removed by wind force.

After removing the remaining grain, operate the handle to return the shielding plates 13 and 14 to their original positions, as shown by solid lines in FIG.

As described above, according to the residual grain processing device in the grain dryer of the present invention, the grain remaining in the grain flow path below the rotary valve disposed downstream of the drying section is removed after the drying operation is completed. Sometimes, a shielding plate forming a side wall that is a part of the grain flow channel wall is pivoted to open the side of the rotary valve, without tilting the grain flow channel wall below the rotary valve.
It is easily and cleanly removed by the wind force generated by the operation of an exhaust fan, and compared to the method in which residual grain is removed by its own weight, there is no need to tilt the wall of the grain flow path below the rotary valve, so there is no need for a support rod, etc. The structure is also simple.

The shielding plate is formed of a first shielding plate and a second shielding plate, and each shielding plate is pivoted on a double shaft so that everything other than the air path between the rotary valve and the grain flow path wall is shielded. Then, the residual grain can be more reliably removed by the wind force of the exhaust fan.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway front view of a grain dryer equipped with a residual grain processing apparatus according to the present invention, and FIG. 2 is a sectional view of main parts showing details of the residual grain processing apparatus according to the present invention. 1...Grain dryer, 2...Residual grain processing device 1.3...Housing, 5...
Screen such as wire mesh, 8... Exhaust fan, 9...
・・Tally valve, 11・・・・Inspection window, 12
...Double shaft, 13...First shielding plate, 1
4...Second shielding plate, 15...Grain, 1
7... Dry part, 19... Concave part, 21.
... Grain channel wall.

Claims (3)

[Scope of utility model registration request] (1) A grain dryer having a housing, a drying section that is protected from a screen such as a wire mesh, and a rotary valve and an exhaust fan arranged in the grain flow path downstream of the drying section to send out the dried grain in the drying section. In the grain dryer, the grain dryer is characterized by having a shielding plate that forms part of the grain flow path wall between the side of the rotary valve and the exhaust fan and is pivotally attached. Residue grain processing equipment at the plant. (2) The shielding plate is separated from the first shielding plate and the second shielding plate, the first shielding plate shields the grain flow path between the rotary valve and the screen, and the second shielding plate is configured to shield the grain flow path between the rotary valve and the screen. The residual grain processing device in a grain dryer as claimed in claim 1, wherein the air passage between the screen and the housing is blocked. (3) The first shielding plate and the second shielding plate are attached to a common double shaft, and the first shielding plate is fitted into the stepped recess of the second shielding plate to form a flat grain. A residual grain processing device in a grain dryer according to claim 1 or 2, which forms an inner wall surface of a flow path.