JP2009120335A - Falling object deposition prevention method and storage device provided with falling object deposition prevention mechanism - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a falling mineral powder deposition prevention method and a storage device provided with a falling object deposition prevention mechanism preventing a falling mineral powder from being deposited on a device below a belt conveyor. <P>SOLUTION: The falling object deposition prevention method prevents the particulate matter dropped off from the belt conveyor from being deposited on the device arranged just below the belt conveyor for conveying the particulate matter and storing the particulate matter. An opening part is provided on a top plate of the device, a plurality of inverted slant plates are provided on the opening part with an interval, so as to be orthogonal to an advancement direction of the belt conveyor, and a rubber plate is hung down from an upper end part of the slant plate in a curtain-like form so as to close the interval between the slant plates. The storage device is provided with the falling object deposition prevention function. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a falling rock accumulation preventing method and a storage device including a falling object accumulation preventing mechanism for preventing falling rock accumulation from being deposited on an apparatus below a belt conveyor.

  In FIG. 4, ore, coal, coke, lime, etc. are transported by the belt conveyor 30, and a small amount of these drops during transportation, or the attached material falls from the belt reversed by the roller, and the belt conveyor 30. It shows a mode that it accumulates on the top plates 10, such as a storage tank, arrange | positioned under this.

  The fallen object 20 that has accumulated soars in the wind or the like and causes secondary scattering, which worsens the workplace environment. Further, when the accumulation amount increases, the belt conveyor 30 is pushed up, and a fire may occur due to abnormal wear of the belt or frictional heat.

Patent Document 1 relates to a falling ore treatment apparatus installed in a connecting portion between an upper conveyor and a lower conveyor.
By installing a belt cleaner directly below the return belt of the upper conveyor and dropping it on the diaphragm, there is a falling-off processing device that can smoothly transfer even when the distance between the upper and lower conveyors is narrow. Are listed.

  Patent Document 2 relates to a falling deposit processing apparatus installed at a transfer portion between an upper conveyor and a lower conveyor, and a plurality of falling deposits deposited on a floor surface formed immediately below a return belt of the upper conveyor are attached to a rotating chain belt. An apparatus for paying and dropping with L-shaped steel is described.

Patent Document 3 relates to a falling method for a belt conveyor, and the falling belt deposited on the floor surface is automatically collected by reversing the back belt of the belt conveyor on the head side and rotating it on the tail side. It describes the falling ore treatment method that is washed away into the water pit.
Japanese Patent Laid-Open No. 50-141083 JP 50-143287 A Japanese Patent Application Laid-Open No. 8-133352

  By the way, in a factory where a plurality of facilities are arranged, there are cases where the facilities are arranged without being sufficiently separated from the belt by returning directly under the belt conveyor due to space constraints.

  In such a case, the falling-off processing apparatus described in Patent Document 2 cannot be applied because it requires an installation space under the return belt. In addition, the falling-off treatment method described in Patent Document 3 requires a distance of about 10 times the belt width until belt inversion, and cannot be applied to a belt conveyor having a short length, and is not applicable because it only requires a space for inversion.

  And when conveying an iron ore etc., the iron ore adhering to a back belt cannot be removed completely in the falling-down processing apparatus of patent document 1, but will accumulate.

  Therefore, the present invention provides a method for preventing falling ore accumulation and falling matter accumulation in which falling ore does not accumulate on the top plate of the device even when the gap between the device arranged immediately below the belt conveyor and the return belt is small. It is an object of the present invention to provide a storage device having a prevention mechanism.

The object of the present invention can be achieved by the following means.
1. A falling matter accumulation prevention method for preventing the particulate matter falling from the belt conveyor from being deposited on a device for storing the particulate matter, which is disposed immediately below a belt conveyor for conveying the particulate matter, An opening is provided on the top plate of the apparatus, and a plurality of inverted inclined plates are arranged at intervals in the opening so as to be orthogonal to the traveling direction of the belt conveyor, and the gap between the inclined plates is closed. A fallen object accumulation prevention method characterized by suspending a rubber plate in a curtain shape from the upper end of an inclined plate.
2. 2. The fallen object accumulation prevention method according to 1, wherein the rubber plate is cut in a comb shape.
3. The granular material storage device, which is disposed immediately below a belt conveyor that conveys granular materials, wherein the top plate of the storage device has an opening, and the opening is orthogonal to the traveling direction of the belt conveyor. A plurality of inverted inclined plates are arranged at intervals, and a rubber plate suspended in a curtain shape at the upper end of the inclined plate so as to close a gap between the inclined plates arranged at an interval A storage device, characterized in that is attached.
4). 4. The storage device according to 3, wherein the rubber plate is cut in a comb shape.

  According to the present invention, there is no cleaning work with the belt conveyor stopped, the equipment operation rate is improved, the belt is not worn abnormally by the accumulated powder thrust, the belt fire is eliminated, and the accumulated powder is blown by the wind. Pollution of the environment is prevented. In addition, the manufacturing cost is low, the mounting is easy, and it is extremely useful in the industry.

  Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is a schematic overall side view to which a fallen object accumulation prevention method for a belt conveyor according to an embodiment of the present invention is applied, and FIG. 2 illustrates a fallen object accumulation prevention apparatus according to an embodiment of the present invention. FIG.

  In these drawings, reference numeral 1 denotes a fallen object accumulation prevention device, 2 denotes an inclined plate, 3 denotes a fixing member, 5 denotes a mounting member, 6 denotes a rubber plate, and 10 denotes a top plate.

  In the fallen object accumulation preventing method according to the present invention, a part of the top plate 10 of the storage device 50 arranged immediately below the belt conveyor 40 that conveys the granular material (not shown) is cut out and conveyed from the belt conveyor 40 in the middle. The falling particulate matter or the pulverized particulate matter falling from the return belt is dropped and accumulated in the storage device 50 by the falling matter accumulation preventing device 1. The storage device 50 stores the same granular material as that conveyed by the belt conveyor 40.

  FIG. 1 shows a case where the belt conveyor 30 is added below the belt conveyor 40, and the granular material falling from the belt conveyor 40 and its powdered material are dropped on the chute 60 and stored in the storage device 50.

  The fallen object accumulation apparatus 1 includes an inclined plate 2 attached to an opening provided in the top plate 10 of the storage device 50, a curtain-like rubber plate 6 suspended from the upper end of the inclined plate 2, and the inclined plate 2. Are attached to the ceiling 10, and the fixing member 3 is attached to the upper end of the inclined plate 2.

  A plurality of inclined plates 2 are attached to the opening of the top plate 10 at intervals so as to form a transverse beam with respect to the conveying direction of the belt conveyor 40 (30). The inclined plate 2 functions as a chute for dropping the granular material falling from the belt conveyor 40 (30) into the storage device 50, and the inclined angle of the inclined plate 2 is usually 60 ° or more, and a resin liner is attached. Is preferably 45 ° or more.

  The size of the inclined plate 2 is such that its width is slightly narrower than the opening of the top plate 10 so that the tip of the inclined portion reaches the storage device 50, and its upper end does not contact the return belt of the belt conveyor 40 (30). Select as appropriate.

The inclined plate 2 is fixed to the opening of the top plate 10 with an attachment member 5 so that the inclined portion is inclined in the traveling direction of the front belt of the belt conveyor 40 (30). FIG. 2 is a schematic side view of the fallen object accumulation preventing apparatus 1 and shows a state in which the inclined plate 2 is fixed to the start and end of the opening of the top plate 10 by the attachment member 5. In the figure, when the inclined plate 2 arranged in the middle is fixed, the attachment member 5 is omitted. In addition, as shown in the drawing, the inclined plate 2a attached to any one of the beginning and end of the opening of the ceiling 10 may be omitted.

  The interval between the inclined plates 2 is appropriately selected according to the particle size of the conveyed raw material. In the case of coke of the blast furnace raw material, it is preferable that the distance between the inclined plates 2 is about 250 mm because the falling from the inclined portion into the storage device 5 is easy.

  When the granular conveyed product falls into the storage device 5, dust is generated from the interval between the inclined plates 2, and the rubber plate 6 is suspended in a curtain shape from the upper end of the inclined plate 2 to prevent this. The length of the rubber plate 6 is such that the lower end of the rubber plate 6 is in contact with the tip of the adjacent inclined plate 2 so as to close the gap generated at the interval with the adjacent inclined plate 2.

  The rubber plate 6 is preferably provided with slits, or a pitch of 100 to 200 mm in the case of coke of blast furnace raw material, so that the fallen granular transported material is not clogged by the rubber plate 6 in the inclined portion of the inclined plate 2.

  FIG. 3 is a schematic front view of the fallen object accumulation preventing apparatus from the direction of travel of the belt conveyor 40 (30). The inclined plate 2a is attached to the attachment member 5 extending to the left and right of the opening of the top plate 10, and The rubber plate 6 fixed to the upper end of the plate 2a by the fixing member 3 is provided with slits 61 at equal intervals in the width direction, and has a comb shape.

  The present invention is also a storage device arranged immediately below a belt conveyor that conveys granular materials, the top plate having an opening, and the opening is perpendicular to the traveling direction of the belt conveyor. A plurality of inverted inclined plates are arranged at intervals.

  A rubber plate, preferably provided with a slit, is attached to the upper end of the inclined plate, which is suspended in a curtain shape so as to close the gap between the inclined plates arranged with a gap. The storage device stores the same granular material that is conveyed by the belt conveyor.

Example of the present invention. Example of the present invention. Example of the present invention. Conventional example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Falling object accumulation prevention apparatus 2, 2a Inclination board 3 Fixing member 5 Mounting member 6 Rubber board 61 Slit 10 Top board 30, 40 Belt conveyor 50 Storage apparatus 60 Chute

Claims (4)

  A falling matter accumulation prevention method for preventing the particulate matter falling from the belt conveyor from being deposited on a device for storing the particulate matter, which is disposed immediately below a belt conveyor for conveying the particulate matter, An opening is provided on the top plate of the apparatus, and a plurality of inverted inclined plates are arranged at intervals in the opening so as to be orthogonal to the traveling direction of the belt conveyor, and the gap between the inclined plates is closed. A fallen object accumulation prevention method characterized by suspending a rubber plate in a curtain shape from the upper end of an inclined plate.   2. The fallen object accumulation preventing method according to claim 1, wherein the rubber plate is cut in a comb shape.   The granular material storage device, which is disposed immediately below a belt conveyor that conveys granular materials, wherein the top plate of the storage device has an opening, and the opening is orthogonal to the traveling direction of the belt conveyor. A plurality of inverted inclined plates are arranged at intervals, and a rubber plate suspended in a curtain shape at the upper end of the inclined plate so as to close a gap between the inclined plates arranged at an interval A storage device, characterized in that is attached.   4. The storage device according to claim 3, wherein the rubber plate is cut in a comb shape.

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