JPH05278864A - Silo device - Google Patents

Abstract

PURPOSE:To provide a silo device which surely eliminates a dead space with the simple structure and can store two types of powder/grain. CONSTITUTION:This silo device is formed in the double cylindrical state with an outer cylinder 40 and an inner cylinder 50 and is provided with a conveying device of the sweep basket type arranged at the bottom between these outer and inner cylinders and a conveying device 70 of the vertical rotary valve type arranged at the bottom of the inner cylinder.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of an atlas type silo for storing granular materials.

[0002]

2. Description of the Related Art Generally, an atlas type silo is constructed by arranging a sweep device and a payout conveyor at the bottom of a silo body. This sweep device is composed of a three- to four-row sweep basket, a pull ring, and a drive device. One end of each sweep basket is connected to the pull ring, and the other end is free. When the pull ring is rotated by the drive device, the sweep basket automatically shifts toward the center of the silo and comes into contact with the periphery of the granular material in the silo. When the pull ring is further rotated, the sweep basket carries the powder and granules to the dispensing conveyor while dropping the powder and granules into the conveyor. Then, the powder and granules on the conveyor are carried out to the outside of the silo by the delivery conveyor.

However, the granules carried into the silo are discharged from the outside, so that the granules in the central portion have a long storage time, during which moisture evaporates and solidifies. As a result, there is a problem that a bridge is formed at the center of the silo and a dead space is formed there. Moreover, only one kind of powder or granule can be stored.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object thereof is to surely eliminate dead spaces with a simple structure and to store two kinds of powdery or granular materials. To provide a simple silo device.

[0005]

SUMMARY OF THE INVENTION The present invention provides an outer cylinder, an inner cylinder arranged in the outer cylinder, and a sweep basket type granular material arranged at the bottom between the inner cylinder and the outer cylinder. It is a silo device provided with a carrying-out device and a vertical rotary valve type powder and granular material carrying-out device arranged at the bottom of the inner cylinder.

[0006]

According to the present invention, the silo is formed into a double cylinder having an inner cylinder and an outer cylinder so that a dead space is not formed by a bridge in the center portion, and moreover, the powder particles are carried in the inner cylinder.
By carrying out, between the inner cylinder and the outer cylinder,
Different areas can be stored in two areas consisting of the inner cylinder.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of a silo device capable of storing two types of products. Above this silo device is a cyclone 1
0a and a rotary valve 10b, a powder / granular substance loading device 10, a cyclone 20a, and a rotary valve 20b.
And a powder-and-particles loading device 20 including a powder-and-particles loading device 10 and 20. The powder-and-particles loading devices 10 and 20 are capable of loading powders of different types. These powder and granule loading devices 10, 2
0 has powder and granular material drop openings at the lower ends thereof, and a spiral conveyor 30 is arranged below these drop openings. The conveyor 30 can rotate clockwise and counterclockwise,
In addition, drop ports 31 and 32 are formed at the left and right ends, respectively. By rotating the conveyor 30 clockwise, for example, the granular material moves to the right and drops from the right end,
By rotating counterclockwise, the granular material moves to the left and falls from the left end. The silo device is arranged below the conveyor 30,
The outer cylinder 40 and the inner cylinder 50 are formed in a double cylinder shape. In the upper part of the outer cylinder 40, a carry-in port 41 for the granular material falling from the right end.
However, in the upper part of the inner cylinder 50, a carry-in port 51 for the powder particles falling from the left end is formed. A sweep basket type carry-out device 60 is arranged at the bottom between the outer cylinder 40 and the inner cylinder, and a vertical rotary valve type carry-out device 70 is arranged at the bottom of the inner cylinder. 90 in the figure
Is a conveyor that conveys the granular material taken out by the vertical rotary valve type carry-out device 70.

[0008] Then, the powder or granules, such as soybean crushed skin, carried in between the outer and outer cylinders 40 and 50 from the powder and granule conveying device 10 through the conveyor 30 are discharged to the outside by the sweep basket type discharging device 60. It is possible to carry it out. Further, the granular material, such as soybean round peel, which has been carried in between the outer cylinder 40 and the inner cylinder 50 from the granular material conveying device 20 through the conveyor 30 is carried out to the outside by the vertical rotary valve type carrying-out device 70. It is possible.

Sweep basket type carry-out device 60
As shown in FIG. 2, at the bottom of the outer cylinder 40,
A strip sweep basket 61 is arranged, one end of each sweep basket 61 is connected to the pull ring 62, and the other end is free. The pull ring 62 is connected to the drive device 63. Further, corresponding to each sweep basket 61, a payout conveyor 64 is arranged in the lower portion thereof in the radial direction.

When the pull ring 62 is rotationally driven by the drive device 63, the sweep basket 61 automatically shifts toward the center of the silo and comes into contact with the periphery of the powder particles inside the silo.
When the pull ring 62 is further rotated, the sweep basket 61 carries the powder particles to the payout conveyor 63 while dropping them, and drops them there. Then, the conveyor 63 carries out the powder and granules on the conveyor 63 to the outside of the silo.

Vertical rotary valve type carry-out device 7
0, as shown in FIG. 3, has a lower portion with an inner tubular portion 71 and an outer tubular portion 7.
2 and a double cylinder, and a lower fixing plate 73 is provided on the bottom thereof. A predetermined gap is formed between the inner tubular portion 71 and the lower fixed plate 73. A flow rate adjusting ring 74 is attached to the inner cylinder portion 71, and a handle 75 is attached to the flow rate adjusting ring 74. By operating the flow rate adjusting ring 74 up and down with the handle 75, the gap between the lower end of the inner cylinder portion and the lower fixing plate 73 is adjusted. A discharge port 76 is provided at the lower end of the area formed by the inner tubular portion 71 and the outer tubular portion 72. The fixed plate 7
An outer peripheral rotation ring 77 is provided on the outer periphery of the outer peripheral surface 3, and the outer peripheral rotation ring 77 is rotationally driven by a drive device 78. An outer peripheral rotating blade 79 is attached to the outer peripheral rotating ring 77, and a central rotating blade 80 is further attached in the diametrical direction. This is conveyed to the discharge port 76 by the rotary blade 79 attached to the outer peripheral rotation ring 77. Further, the raw material at the central bottom portion is conveyed in the circumferential direction by the central rotary blade 80 and is conveyed to the discharge port by the outer peripheral rotary blade 79.

[0012]

As described above, according to the present invention,
Since the inner cylinder is placed inside the outer cylinder to make it into a double cylinder, the dead space due to the bridge of powder and granules is eliminated, and yet another type of powder and granules can be stored inside the double cylinder. Two
It becomes possible to store the variety.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing an embodiment of a silo device capable of storing two types of products.

FIG. 2 is a view for explaining the operation of a sweep basket type carry-out device arranged between an outer cylinder and an inner cylinder of the silo device.

3A and 3B are views for explaining the operation of a vertical rotary valve type unloading device arranged at the bottom of the inner cylinder, in which FIG. 3A is a vertical sectional view and FIG.

[Explanation of symbols]

10 ... Powder / conveying device, 10a ... Cyclone, 10b ...
Rotary valve, 20 ... Powder and granular material conveying device, 20a ... Cyclone, 20b ... Rotary valve, 30 ... Conveyor, 31, 32 ... Drop port, 40 ... Outer cylinder, 41 ... Carrying port,
50 ... Inner cylinder, 51 ... Carry-in port, 60 ... Sweep basket type carry-out device, 61 ... Sweep basket, 62 ...
Pull ring, 63 ... Driving device, 64 ... Dispensing conveyor,
70 ... Vertical rotary valve type carry-out device, 71 ...
Inner cylinder part, 72 ... Outer cylinder part, 73 ... Fixed plate, 74 ... Flow rate adjusting ring, 75 ... Handle, 76 ... Discharge port, 77 ... Outer peripheral rotating ring, 78 ... Driving device, 79 ... Outer peripheral rotating blade, 80
… Central rotating blade, 90… Conveyor.

Claims (1)

[Claims] 1. An outer cylinder, an inner cylinder arranged in the outer cylinder, a sweep basket type powder and granule carry-out device arranged at the bottom between the inner cylinder and the outer cylinder, and at the bottom of the inner cylinder. A silo device provided with a vertical rotary valve type powder and granular material discharging device.