JPH0891586A - Charged matter dispersing device of silo - Google Patents

Abstract

PURPOSE: To prevent charged particulate matter from generating unbalanced distribution of particle size by arranging an unbalanced distribution preventing plate having changeable inclination and holes in a silo under the supply port of particulate matter. CONSTITUTION: Coals 3 supplied from a coal supply port 2 fall on the unit plates 1a of an inclined unbalanced distribution preventing plate 1 and fall from the outward ends while rolling down from the unit plates 1a to the unit plates 1b. In this case, coals of small size fall under the preventing plate 1 through the small holes 5. The unit plates 1a, 1b of the plate 1 can be changed in their inclination and further by making twofold the respective inclination can be independently changed, and hence the outside end of the unit plate 1b, namely the coal supply point of the plate 1 can be changed in the wide range. By properly changing the coal 3 supply point in this way, the height of the mountain of coals 3 can be lowered and the particle size distribution of coals 3 can be controlled in the wide range in a coal silo 10, and hence unbalanced distribution of particle size of coals can be restrained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a silo charge dispersion device for silos such as coal silos.

[0002]

2. Description of the Related Art In the prior art, for loading coal into a coal silo, a method is used in which coal is conveyed by a receiving belt conveyor to the upper part of the silo and then dropped to the bottom of the silo to store the coal. ing. In such a system, as shown in FIG. 4, since the coal supply port 2 is generally located at the center of the silo, the coal 3 is piled up in a high mountain in the center. If this loading height becomes high, segregation will occur such that the grain size of coal will be different at the top and bottom of the mountain. In addition, 4 in FIG. 4 is a hopper provided at the bottom of the silo.

[0003]

In the conventional coal loading method described above, when the silo capacity is increased, the length of the slope of the mountain becomes very long as the loading height at the center of the silo becomes high. . As shown in FIG. 4, since coal is piled up while rolling down the inclined surface, coal having a small particle size is likely to accumulate at the center of the mountain, and coal having a large particle size is likely to accumulate at the end.

Such segregation of the particle size of coal causes the hopper to be squeezed at the time of discharging the coal and deteriorates the discharging performance of the coal.

The present invention is intended to provide a silo charge dispersion apparatus capable of solving the above problems.

[0006]

[Means for Solving the Problems]

(1) In the silo charge dispersion device of the present invention, a perforated segregation prevention plate having a variable tilt angle is disposed in the silo below the granular material supply port. (2) In the invention (1), the perforated segregation prevention plate can be folded in two.

[0007]

In the present invention (1), since the segregation prevention plate whose inclination angle can be changed is provided in the silo below the granular material supply port, the segregation prevention plate can be changed by changing the inclination angle of the segregation prevention plate. It is possible to move the supply point of the granular material by, and to suppress the segregation by lowering the height of the mountain of the granular material at the time of loading. In addition, the hole provided in the segregation prevention plate promotes the segregation prevention effect by appropriately dropping the small particles having a small particle size from the hole.

In the present invention (2), further, the segregation prevention plate can be folded in two, and in addition to changing the inclination angle of the segregation prevention plate, the segregation prevention plate is folded in two so that the segregation prevention plate can be used. It is possible to move the supply point of the granular material to a wider range.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. A coal silo 10 is provided with a coal supply port 2 at the center of the upper part thereof and a hopper 4 at the bottom thereof.

Within the coal silo 10 below the coal feed port 2, two paired rectangular segregation prevention plates 1 and 1 are arranged. The two segregation prevention plates 1 and 1 are located at inner ends thereof. Are pivotally connected to each other by a pivot 7, which is located below the center of the coal feed port 2. Each segregation prevention plate 1 is a perforated plate having a large number of small holes 5, and is composed of two rectangular inner and outer unit plates 1a and 1b pivotally attached to each other by a pivot 6 parallel to the pivot 7. It is possible to fold.

The position of the pivot 7 is fixed by means such as being suspended from the top of the coal silo 10 by a rope (not shown), and the pivot 6 and the outer unit plate 1 are fixed.
The outer end of b is supported so as to be movable in the vertical direction as described below, whereby the unit plates 1a and 1b of each segregation prevention plate 1 are inclined downward as shown in FIG. 2 (a). The angles θ ₁ , θ ₃ ; θ ₂ , θ ₄ can be changed.

The outer end of the pivot 6 and the outer unit plate 1b is, as shown in FIG. 3 (a), a rope 1 wound around a winding roll 12 provided at the top of a coal silo 10.
1 or is connected to the lower end of a rod 14 of an actuator 13 supported on the top of the coal silo 2 via a pipe 15 as shown in FIG. The actuator 13 can be moved in the vertical direction by actuating the actuator 13. As a result, as described above, the angle at which the unit plates 1a and 1b are tilted downward can be changed.

In this embodiment, the coal 3 supplied from the coal supply port 2 drops onto the unit plate 1a of the inclined segregation prevention plate 1 and rolls down from the unit plate 1a on the inclined unit plate 1b. It falls from the outer end of the unit 1b. At this time, the small-diameter coal passes through the small holes 5 and falls below the segregation prevention plate 1.

Further, since the unit plates 1a and 1b of the segregation prevention plate 1 can change their inclination angles, and can be folded in two to change their inclination angles independently,
The outer end of the unit plate 1b, that is, the coal supply point of the segregation prevention plate can be adjusted in a wide range.

As described above, by appropriately changing the coal feed point, the height of the coal 3 in the coal silo 10 can be lowered to control the particle size distribution of the coal in a wide range.
Segregation of the particle size of coal can be suppressed. Further, since the small-diameter coal drops below the segregation prevention plate 1 through the small holes 5 of the segregation prevention plate 1, the segregation prevention effect of the coal 3 can be further enhanced.

In addition, although the above-mentioned embodiment relates to an input disperser for coal silo, the present invention can be widely applied to an input disperser for granular silo as well as coal.

[0017]

According to the present invention, since the segregation prevention plate having a hole whose slant angle can be changed is provided below the supply port of the granular material in the silo, and the segregation prevention plate can be folded in two, It is possible to move the supply position of the object from the vicinity of the center of the silo to a wide range toward the end. As a result, the height of the piles of the stacked granular materials can be reduced even in a large-capacity silo, and there is an effect of suppressing the segregation of the particle diameter of the granular materials.

Further, the holes provided in the segregation prevention plate can appropriately drop the small particles having a small particle diameter, and the effect of preventing the segregation of the particle diameter of the input material can be enhanced.

[Brief description of drawings]

FIG. 1 is a schematic view of an embodiment of the present invention.

2A and 2B show a segregation prevention plate of the embodiment, FIG. 2A is a front view thereof, and FIG. 2B is a plan view thereof.

FIG. 3A is an explanatory view of an example of a support portion of a segregation prevention plate used in the same embodiment, and FIG. 3B is an explanatory view of another example.

FIG. 4 is a schematic view of a conventional coal silo.

[Explanation of symbols]

 1 Anti-segregation plate 1a, 1b Unit plate of anti-segregation plate 2 Coal supply port 3 Coal 4 Hopper 5 Small hole of anti-segregation plate 6,7 Axis 10 Coal silo 11 Rope 12 Winding roll 13 Actuator 14 Actuator rod 15 Piping

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takasumi Ujihara 4-6-22 Kannon Shinmachi, Nishi-ku, Hiroshima City Mitsubishi Heavy Industries Ltd. Hiroshima Works

Claims (2)

[Claims] 1. A silo charge dispersion apparatus, wherein a perforation segregation prevention plate having a perforation whose tilt angle can be changed is disposed in a silo below a supply port for particulates. 2. The silo charge disperser according to claim 1, wherein the perforated segregation prevention plate can be folded in two.