JPS61217438A - Silo - Google Patents

Abstract

PURPOSE:To smoothly carry out granular powder by providing a scratch member at the end portion on the side wall side of a screw conveyer in a silo for high-viscosity granular powder, which has the screw conveyer between a carry- out disc column at the center of a receptacle and the side wall of the receptacle. CONSTITUTION:A brush 44 for scratching the side wall 1 is fixed to the end portion on the side wall 1 side of a screw conveyer 41. In this arrangement, with rotation and movement of the screw conveyer 41, the brush 44 is also rotated and moved to scratch off granular powder adhering to the side wall 1 of a receptacle. Accordingly, the granular powder is prevented from remaining on the side wall and dropping to be smoothly carried out.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a silo for storing powder and granular materials, and particularly to a dispensing device for highly adhesive powder and granular materials.

[Background of the invention]

As a silo for storing powder and granular materials, JP-A-58-1702
Those disclosed in Publication No. 1 and the like are publicly known. This type of silo has a frosted, upright cylindrical side wall 1 as shown in Figure 3.
A disc column 2 for carrying out is installed upright at the center of the container. The lower end of the disk column 2 serves as an outlet 3. A screw conveyor device 4 is horizontally suspended between the disk column 2 and the side wall 1 from above the container 1, and is capable of vertical movement and horizontal rotation. The powder is supplied to the screw conveyor device 4 from above the container 1 through a conveyor 5, an inlet 6, a screw conveyor 7, and a chute 8, and is moved to the outside by the screw conveyor 4. The screw conveyor 7, the shade 8, and the screw conveyor device 4 rotate in the horizontal direction lζ in unison.

9 suspends the screw conveyor device 4 with rows 110;
It is a member that rotates the upper end of the side wall 1, and operates the row 110 to move the screw conveyor device 4 up and down. When carrying out the powder in the container, the screw conveyor device 4 is reversed to send it from the outer circumferential side to the disk column 2 side. It is carried out through the conveyor 12. 13 is the upper surface of the powder material.

[Purpose of the invention]

An object of the present invention is to provide a silo for storing highly adhesive powder and granular material that can be easily carried out.

[Summary of the invention]

In a silo that stores highly adhesive powder (such as gypsum), it tends to stick to the side wall of the silo, and during the unloading operation, the powder that remains on the side wall may become attached to the screws below. Falling onto the conveyor equipment and disrupting the normal operation of the screw conveyor equipment. In some cases, it may be necessary to stop operation and remove fallen powder or granules.

The present invention provides a brush that rotates at the end of the screw conveyor device on the side wall side, for example, the screw conveyor, and uses this brush to remove adhering powder and granules from the side wall of the container, removing large particles left behind. This is to prevent it from falling.

[Embodiments of the invention]

The present invention will be explained below with reference to an embodiment shown in FIGS. 1 and 2. The screw conveyor device 4, which is disposed on a horizontal basis between the disk column 2 and the side wall l, consists of a screw conveyor 41, a frame 42 for suspending it, and a rotation drive device 43.
A brush 44 for scraping the side wall 1 is attached to the end of the side wall 1 on the side wall 1 side. 45 is attached with bolts. Brush 44
is a special number for unloading operation and a rotating screw conveyor 4
Rotates with 1. Screw conveyor 41 is Japanese Patent Publication No. 5
Publication No. 8-17021 Publication No. I Generally, it consists of two screw conveyors installed in parallel in the horizontal direction Cζ, and these two screw conveyors rotate during the carrying-out operation. A brush may be provided on at least one of these two. If only one is provided, the direction 1 in which the 1ζ screen conveyor device 4 is horizontally rotated during unloading operation.
ζ front side +7) Js-Attach to the conveyor.

According to this configuration, since the brush 44 rotates together with the screw conveyor 41 at the time of carrying out the powder and granular material, the side wall 1
The powder particles adhering to 1ζ are scraped off and carried out.

For this reason, the large amount of powder and granules remaining on the screw conveyor 4
This eliminates the problem of ξ that could fall and bury the rotation and drive device 43, thereby impeding its removal.

It is also conceivable to provide the frame 42 with a scraping plate in contact with the side wall 1.

〔Effect of the invention〕

According to the present invention, the powder particles adhering to the wall surface number ζ are removed by the brush, so that when the lower layer is paid out, the unloading work is not hindered by the falling of the adhering powder particles 1ζ above.

[Brief explanation of drawings]

FIG. 1 is a front view of a screw conveyor according to an embodiment of the present invention, FIG. 2 is an enlarged view of the main part of FIG. 1, and FIG. 3 is a longitudinal sectional view of a silo to which the present invention is applied. 1... Side wall of the silo, 2... Disk column, 3... Outlet, 4... Curved scree conveyor device, 6... Inlet, 7...Slurry 1-conveyor, 8...Chute, 10...
...rope, 41 ... screw conveyor, 42 ... frame, 43 ... IMH
i[sai/I! 1 Figure 3

Claims (1)

[Claims] 1. A silo for storing powder and granular material consisting of a container having an upright cylindrical side wall, a roof, and a bottom, with a disc column for transporting powder and granular material erected in the center of the container, and the lower end of the silo for storing powder and granular material. In the silo, the silo has a screw conveyor device which has a loading port at the top, a screw conveyor device which is disposed between the disk column and the side wall with the feed direction directed horizontally, and which is capable of horizontal rotation and vertical movement. A silo characterized in that a scraping member that contacts the side wall is provided at an end of the screw conveyor device on the side wall side.