JPH0455071Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a dust removal device that captures and transfers dust and the like in a fluid.

[Conventional technology]

Conventionally, a dust removal device that continuously captures and removes floating matter, dust, etc. in a fluid has been developed and put into practical use. This type of device is used, for example, in various facilities such as seawater and river water intakes, various drainage outlets, and pre-treatment for sewage purification.

The structure of this conventional dust removal device is described in Japanese Patent Publication No. 54-23499 entitled “Dust Removal Device in Water Flow”.
As shown in ``Conveyor Capable of Capturing and Transferring Floating Matter, etc.'' in Japanese Patent Publication No. 56-23004, the conveyor has a central hole in the center, a rectangular plate is provided on one side of the center, and a swinging protrusion is provided on the other side. A filter plate is provided with a connecting hole at the tip of the rectangular plate, a protruding piece at the tip of the swinging protruding piece, and a connecting hole between the center hole of the filter plate and the other filter plate. are overlapped with each other via a spacer and connected endlessly by a large number of shafts,
The endless filter plate group is engaged with sprockets provided above and below, and the upper sprocket is driven by a drive device to rotate the filter plate group.

FIG. 6 is a view showing the lower end portion of this type of dust removal device.

As shown in the figure, a filter plate group 80
0 has its lower part immersed in seawater or river water900. Then, the filter plate group 800 rotates in the direction of arrow D shown in the figure, and the dust, etc. 901 flowing from upstream is removed from the filter plate group 800.
The particles 901 are captured by the lattice-like mesh formed by the filter plate 801, and are further carried upward by the protruding pieces 802 of the filter plate 801, thereby removing the dust and the like 901 from the water.

[The problem that the idea attempts to solve]

However, in such a conventional dust removal device, the dust, etc. 901 flowing in the direction of arrow K shown in the figure is collected by a large number of filter plates 801.
Since it comes into contact with a mesh made up of overlapping layers, even fine dust 901 can be captured. However, the dust etc. 901 flowing near the lower end of the filter plate group 800 (in the direction of arrow L shown in the figure) does not pass through the mesh portion formed by overlapping a large number of filter plates 801, but only through the protruding piece 802 portion. The mesh is rough because it passes through, and fine dust, etc. 9
There was a problem that 01 could not be captured.

The present invention has been made in view of the above-mentioned points, and it is an object of the present invention to provide a dust removal device that can easily catch dust and the like flowing near the lower end of a group of filter plates.

[Means to solve the problem]

In order to solve the above problems, the present invention provides a dust removal device in which a central hole is formed in the approximate center of a long plate-like body, a connecting hole is formed in one end of the central hole, and a protruding piece directed upward is formed in the other end. A plurality of formed filter plates are provided, and the center hole of the filter plate and the connection hole of another filter plate are overlapped alternately and connected by a large number of connection shafts to form an endless band-shaped filter plate group, In a dust removal device that has a structure in which the upper and lower parts of the filter plate group are engaged with a rotatable sprocket and the upper sprocket is driven to rotate, a structure in which a large number of rigid wire rods are lined up in the width direction and one end thereof is fixed. The brush was fixed so that the other end of the brush touched the width direction near the lower end of the filter plate group.

[Effect]

By configuring the dust removal device as described above, dust and the like flowing near the lower end of the filter plate group can be easily captured by a brush having a simple structure.

〔Example〕

Hereinafter, one embodiment of the present invention will be described in detail based on the drawings.

Fig. 2 shows the dust removal device according to the present invention, in which Fig. 2a is a schematic front view (the right half of the filter plate group A is cut out to show the back side), and Fig. 2b is a side view. It is a schematic diagram.

As shown in the figure, a drive shaft 51 is rotatably supported on the upper part of an inclined surface formed on the frame 5, and sprockets 515 are fixed near both ends of the drive shaft 51. This drive shaft 51 is
It is rotated by rotating a sprocket 517 fixed to one end of the motor 1 by a drive mechanism C consisting of an electric motor 513 and the like.

Further, a rotary shaft 53 having sprockets 535 fixed near both ends thereof is rotatably supported at the lower part of the inclined surface of the frame body 5.

In addition, near the drive shaft 51, as shown in FIG.
It is rotatably supported on the shaft.

The endless band-shaped filter plate group A is engaged with and tensioned by sprockets 515, 555, and 535.

Note that 7 shown in the figure is a rotating brush, which is configured to be rotated in conjunction with the drive shaft 51. Further, reference numeral 8 shown in FIG. 1B indicates side plates attached to both ends of the filter plate group A.

Further, a brush 2 is attached near the lower end of the filter plate group A.

FIG. 4 is a view showing the filter plate 1 used in this dust removal device, in which FIG. 4A is a plan view and FIG. 4B is a side view.

The filter plate 1 is integrally molded from a steel plate or synthetic resin depending on its purpose and use.

As shown in the figure, this filter plate 1
includes a central support portion 11, a rectangular plate 13 that protrudes from one end of the central support portion 11 and has a disc-shaped connecting portion 15 at its tip, and a rectangular plate 13 that faces the rectangular plate 13 of the central support portion 11; The swinging piece 17 has a swinging piece 19 that protrudes from the end side and has a protruding piece 19 at its tip.

A circular center hole 11 is provided in the center of the center support part 11.
1 is formed, and protrusions 113 and 115 protruding in the thickness direction are formed on both surfaces thereof. A circular connecting hole 151 is formed in the center of the connecting portion 15 . The inner diameter of this connecting hole 151 is the center hole 1.
The inner diameter is the same as No. 11. Note that the thickness of the central support portion 11 and the thickness of the connecting portion 15 are the same. Further, the swinging piece 17 has a substantially arc-shaped protruding piece 1.
9 is provided. The swinging piece 17 also includes holding pieces 171, 1 that protrude in the thickness direction and hold dust, etc.
71 is provided.

FIG. 5 is a main part explanatory diagram for explaining a method of assembling a plurality of filter plates 1 to create an endless band-shaped filter plate group A, in which figure a is a side view and figure b is a plan view. .

As shown in the figure, in order to create the filter plate group A, the central support part 11 of the filter plate 1 and the connecting part 15 of the other filter plates 1 are
The center hole 111 of the polymerized central support portion 11 and the connecting portion 15 are directly polymerized alternately.
After fitting the connecting shaft 3 into the connecting hole 151 and assembling it to a desired width and desired length, both ends thereof are connected by the connecting shaft 3 to form an endless band shape.

As shown in Figure b, the mesh is formed by the rectangular plates 13 of the two filter plates 1, 1 installed side by side and the holding pieces 171, 171 of the filter plate 1 located at the lower part of the two filter plates 1, 1. X is constructed.

FIG. 1 shows the brush 2, with FIG. 1A being a front view and FIG. 1B being a side view.

As shown in the figure, this brush 2 is made by preparing a large number of rigid wire rods of two types, long and short (for example, rigid synthetic resin or metal materials), and arranging a large number of long wire rods 2a in the width direction, and A large number of wire rods 2b are arranged in the width direction on the longer wire rod 2a,
One end side of these two types of wire rods 2a and 2b is fixed to a long stay 23. In addition, 23a shown in the figure is a mounting base 25 for mounting the stay 23.
This is a mounting hole for fixing to. Note that the wire rod attached to the brush 2 may be composed of one type of wire rod.

FIG. 3 is a side view of the main part showing the brush 2 attached to the lower part of the dust removal device.

As shown in the figure, the brush 2 is disposed in the width direction of the filter plate group A at a position where the tip of the wire rod 21 touches the filter plate group A. The stay 23 of this brush 2 is fixed to a mounting base 25 fixed to a water flow control plate 27.

Next, the operation of this dust removal device will be explained.

This dust removal device is installed, for example, in seawater or river water intake channels or various drainage ditches.

As shown in FIG. 2, the drive shaft 51 is rotationally driven by driving the electric motor 513.
Filter plate group A rotates toward the direction of arrow D in FIG. As a result, the debris in the water flow captured by the protruding piece 19 (see FIG. 4) of the filter plate 1 is conveyed toward the upper part of the debris removal device, and passes over the sprocket 515 to the filter plate group A. It falls and is captured at the part where it flips. At this time, the rotating brush 7 scrapes off the dust and the like that have stuck to the filter plate 1 without falling.

By the way, as shown in Figure 3, seawater and river water9
Among the dust, etc. 901 mixed in 00, those moving in the direction of arrow K shown in the figure are captured by the grid-like mesh (X shown in Fig. 5b) formed by the filter plate group A. It is transferred by the protruding piece 19 in the direction of arrow D shown in the figure.

On the other hand, garbage 901 moving in the direction of arrow L shown in the figure is captured and held by the wire rod 21 of the brush 2 before it sneaks into the lower end of the filter plate group A. The dust 901 held by this brush 2 is taken up by the protruding piece 19 of the filter plate 1 that is successively moving and is transported in the direction of arrow D shown in the figure.

[Effect of idea]

As explained in detail above, according to the dust removal device according to the present invention, even dust that flows near the lower end of the filter plate group and does not pass through the mesh formed by the filter plate group can be removed using a simple structure. It has the excellent effect of being easily captured with a brush.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing a brush 2 according to the present invention, FIG. 2 is a diagram showing a dust removal device according to the invention, and FIG. 3 is a side view of essential parts showing a state in which the brush 2 is attached to the dust removal device. FIG. 4 is a diagram showing a filter plate 1 used in the dust removal device according to the present invention, and FIG. 5 is a main part for explaining a method for assembling a plurality of filter plates 1 to create an endless band-shaped filter plate group A. The explanatory drawing, FIG. 6, is a side view of a main part showing the lower end portion of a conventional dust removal device. In the figure, 1...filter plate, 11...center support part, 111...center hole, 13...rectangular plate, 15...connection part, 151...connection hole, 17...
...Rocking piece, 19...Protruding piece, A...Filter plate group, 2...Brush, 21...Wire rod, 23...
...Stay, 3...Connection shaft, 515, 535, 55
5... Sprocket.

Claims (1)

[Scope of utility model registration request] A plurality of filter plates are provided, each having a center hole formed approximately in the center of the elongated plate-like body, a connecting hole formed at one end thereof, and an upwardly protruding piece formed at the other end. The holes and the connecting holes of other filter plates are alternately overlapped and connected by a large number of connecting shafts to form an endless band-shaped filter plate group, and the upper and lower parts of the filter plate group are engaged with a rotatable sprocket. The dust removal device has a structure in which a sprocket at the top is stretched and rotationally driven, and includes a brush having a structure in which a large number of rigid wire rods are lined up in the width direction and one end of the brush is fixed, and the other end of the brush is connected to the filter. A dust removal device characterized by being fixed so as to touch the width direction near the lower end of a plate group.