JPS6117956Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a dust scattering prevention device for a hopper. When bulk materials (coal, iron ore, etc.) are unloaded using an unloader and loaded into a hopper using a bucket, the dust is blown up by the wind and falling bulk materials and scattered from the hopper. For this reason, conventionally,
As a measure to prevent dust from scattering in the hopper, as shown in FIG. It is designed to prevent Also, in this case, the dust 5 is blown up along the windbreak plate 2 by the wind from the windward side 6 and is also scattered from outside the hopper 1 to the leeward side, so that water is further sprayed on the inner surface of the windbreak plate 2. A device 7 was installed and was effective in preventing dust 5 from scattering. However, such conventional devices have the disadvantage that the effect of preventing dust scattering is insufficient.

The purpose of this invention is to eliminate the above-mentioned drawbacks by a simple means, and the purpose of this invention is to install vertical dustproof nets at appropriate intervals on the inner circumferential surface of the windbreak plate provided on the upper circumference of the hopper, excluding a part on the windward side. A part is provided at the upper end of the vertical dustproof net part to cover the gap between the vertical dustproof net part and the corresponding windbreak plate, and a part on the leeward side extends to the windward side so as to cover a part of the hopper opening. The present invention provides a dust scattering prevention device for a hopper which is constructed by providing a horizontal dustproof net section, and thereby effectively suppresses dust scattering from the hopper.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of the present invention will be explained in detail below based on the drawings showing one embodiment thereof. Components having the same functions as those in FIG. 1 are given the same numbers. 2 to 5, the hopper dust scattering prevention device 8 according to the present invention is installed along the inner peripheral surface of the remaining three sides 2A, 2B, and 2C of the windbreak plate 2 excluding one side of the windward side 6. Vertical dustproof net parts 10 provided at intervals of 9
A horizontal part is provided extending to the windward side 6 so as to cover the interval, that is, the gap 9, at the upper end of the vertical dustproof net part 10, and also to cover a part of the hopper opening 1A on the leeward side, that is, on the side 2B. It is composed of a dustproof net section 11. For example, perforated metal, wire mesh, cloth, or the like is used for both the dust nets 10 and 11, so that the dust scattering prevention device 8 forms an airflow buffer zone 12 between it and the inner surface of the windbreak plate 2.

With such a configuration, as shown in FIG. 4, the bucket 3 that has descended toward the windward side 6 of the hopper opening 1A
When the loose material 4 is dropped, dust 5 is blown up along with the wind blowing up along the windbreak plate 2. However, the dust 5 is removed from the vertical dust net section 10 and horizontal dust net section 11 of the dust scattering prevention device 8.
The dust 5 with a larger particle size is weakened from scattering while passing through the airflow buffer zone 12.
is trapped by the vertical and horizontal dust nets 10, 11 and is effectively suppressed.

In addition, the vertical and horizontal dustproof net parts 1
If the meshes, materials, etc. of the meshes 0 and 11 are appropriately determined depending on the type of the loose material 4, it is possible to expect a further effect of suppressing dust scattering, and if the net parts 10 and 11 are made of replaceable prefabricated type, maintenance will be simplified and costs will be reduced. can be achieved.

As described above, according to the hopper dust scattering prevention device of the present invention, it is possible to effectively suppress dust from scattering from the hopper.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional view of a conventional hopper, Figs. 2 to 5 show an embodiment of the present invention, and Fig. 2 is a longitudinal sectional view of a hopper equipped with a dust scattering prevention device according to the present invention. , FIG. 3 is a plan view of the same, and FIG. 5 is a partially cutaway perspective view of the same. 1...Hotsupa, 2...Windbreak plate, 6...Windward side,
8...Dust scattering prevention device, 9...Gap, 10...
...Vertical dustproof net section, 11...Horizontal dustproof net section.

Claims (1)

[Scope of utility model registration request] Vertical dustproof net parts are provided at appropriate intervals on the inner peripheral surface of the windbreak plate provided on the upper circumference of the hopper, excluding a part on the windward side, and the upper end of the vertical dustproof net part corresponds to the vertical dustproof net part. A hopper dust scattering prevention device characterized in that a horizontal dustproof net part is provided that extends to the windward side so as to cover a gap with the windbreak plate and a part of the hopper opening on a part of the leeward side.