JPH0735899Y2 - Dust removal screen - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a dust removing screen.

More specifically, the present invention relates to a dust removing screen that is attached to a groove containing much floating dust such as sewage or drainage.

In particular, the present invention relates to a dust removing screen suitable for an inlet of a film-like dusty wastewater mass such as paper.

(Prior Art) Conventionally, a screen for removing dust is provided in a groove containing much dust such as sewage or a drainage groove.

For example, Japanese Utility Model Publication No. 58-12956 discloses a rainwater suction mass having a mesh screen attached to its inflow port.

(Problems to be solved by the invention) However, if dust in the groove is removed by using such a mesh screen, normal dust will be caught on the net and can be removed without problems. When dust is caught on the net, the surface of the net is blocked in a wide area, and it becomes difficult for water to flow immediately.

In particular, there are many problems at the inlet of a sewage mass into which sewage with a lot of suspended matter such as paper flows.

In this way, when dust blocks the surface of the net, it is necessary to remove this film dust frequently, and at the same time, this film dust is pushed deep into the mesh and the dust is removed. There is a problem that it is difficult to remove.

Therefore, an object of the present invention is that water easily flows even if film-like dust is caught on such a screen, and the number of times dust is removed can be reduced as compared with the conventional case, and
(EN) Provided is a dust removing screen which can easily remove trapped dust.

(Means for Solving the Problems) The present invention has been made to solve the above problems and achieve the above objects. A support frame having a plurality of needle-like protrusions on one surface thereof has needle-like protrusions. Is attached to the groove in the upstream direction, and the net is attached to the support frame with the needle-like projections of the support frame penetrating the mesh.

In the present invention, the support frame or net is attached to the groove in a direction substantially orthogonal to the flow direction of the groove so as to prevent dust from leaking. Therefore, the shape and size of the support frame or the net are determined by the shape and size of the groove in the direction orthogonal to the flow direction.

Then, this support frame is attached to the groove so as not to fall down by the flow of the fluid in the groove. For example, the support frame is attached to both sides of the groove, or the support base is attached to the support frame.

In the present invention, it is preferable that the needle-like protrusions have sharp tips so that film-like dust is easily caught. Further, the length and number of the needle-like protrusions are appropriately determined so that the film-like dust is easily caught.

In the present invention, the size of the mesh of the mesh attached to the support frame is such that the needle-like protrusion can be inserted up to the root and the mesh is caught by the needle-like protrusion when the mesh is pulled out toward the tip of the needle-like protrusion. The size is good enough to squeeze the trash and remove it with the net.

Further, it is convenient to provide handles on both sides of the net so that it is convenient when attaching and detaching the net.

In addition, this net may be connected to a support frame or a shore with a chain or the like so as not to be lost.

The support frame and net of the present invention are preferably made of a durable material so that they can be used for a long period of time. For example, a material that does not rust such as synthetic resin may be used. If it is made of metal or the like, it may be covered with a material having good corrosion resistance such as synthetic resin.

(Operation) In the screen of the present invention, the support frame is attached to the groove so that the needle-like protrusions face the upstream direction, and the net is attached to the support frame by penetrating the needle-like protrusions into the mesh. , The needle-shaped projections penetrate the mesh and project in the upstream direction.

When a film-like dust or the like flows into the screen of the present invention attached in such a state, the dust is caught by the protruding needle-like projection before reaching the net.

In this way, since dust is not directly caught on the net, a gap is created between the dust such as paper and the net, and therefore the fluid such as dirty water flowing in the groove is caught on the needle-shaped projection. It passes through the gap between the dust and the like and the screen, passes through the mesh of the screen, and passes. Therefore, the mesh is less likely to be clogged than before.

Further, in order to remove dust caught on the protrusions and the net, the net can be removed together with the net by removing the net from the net support frame. That is, the mesh is attached to the support frame so that the needle-like protrusions projecting in the upstream direction penetrate the meshes. Will be pulled out.

In this way, when the net is pulled out toward the tip of this needle-shaped protrusion,
The film-like dust, which the net catches on the needle-like protrusions, is pushed out toward the tip of the needle-like protrusion, and the dust can be removed together with the net.

(Example) Next, the Example of this invention is described, referring drawings.

1 to 3 show an example of the present invention. FIG. 1 is a perspective view showing a state where a net is attached to a support frame, FIG. 2 is a side view of the screen of the present invention, and FIG. 3 is the present invention. It is a perspective view which shows the state which attached the screen to the dirty water mass.

In the figure, A is a screen of the present invention.

Reference numeral 1 is a support frame, and this support frame 1 is composed of legs 11, a lattice-shaped support frame main body 12, and needle-like protrusions 13.

Reference numeral 2 denotes a net, and the net 2 is attached to the support 1 by penetrating the needle-like projections 13 in the eyes of the net 2.

Further, handles 21 are provided on both sides of the net 2 so as to facilitate the attachment / detachment.

3 is a wastewater mass.

4 is a groove that is a drainage inflow path that flows into the wastewater mass 3,
The screen A of the present invention is attached in front of the groove 4 flowing into the wastewater mass 3 so that the needle-like projections 13 are directed upward in the flow direction.

Reference numeral 5 is a film-like dust that is caught on the needle-like protrusions.

Next, the construction method and operation of the screen A will be described.

The screen A is attached near the entrance of the groove 4 of the wastewater mass 3 so that the needle-like projections 13 face the upstream direction.

Next, the needle 2 is attached to the support frame 1 by inserting it from the tip of the needle-like protrusion 13 provided on the support frame 1 so that the needle-like protrusion 13 penetrates the eye of the net 2.

In this way, when film-like dust such as paper or other dust floating in the attached screen A flows into the attached screen A, the film-like dust such as paper is caught on the tip of the needle-like protrusion 13 and the needle-like protrusion 13 Other dust that is not caught on the net 2 is caught on the net 2 and does not enter the wastewater mass 3.

Thus, since the film-like dust is caught on the needle-like protrusions 13, a gap is formed between the needle-like protrusions 13 and the net 2, and the dirty water flows through this gap, so that the net is not blocked for a longer time than in the past. Can be used.

Next, in order to remove the dust caught on the net 2 and the dust caught on the tip of the needle-like protrusion 13, the handle 2 is held and the net 2 is pulled out toward the tip of the needle-like protrusion 13. Then, together with the net 2, the dust caught on the net 2 and the needle-like protrusions 13 can be removed.

Thus, the dust caught on the net 2 and the dust caught on the needle-like protrusions 13 can be easily cleaned by removing the net.

(Effect of the Invention) The screen of the present invention is convenient because it can be used for a long time as compared with the conventional case because the film-like dust is not caught on the tips of the needle-like projections and it is difficult to close the mesh.

Also, the dust caught on the needle-like protrusions can be removed together with the net by pulling out and removing the net in the tip direction of the needle-like protrusions, so it is easier to clean than before.
It is extremely convenient.

[Brief description of drawings]

1 to 3 show one embodiment of the present invention. FIG. 1 is a perspective view showing a state in which a net is attached to a support frame used for the present invention screen, and FIG. 2 is a side surface of the present invention screen. 3 and 4 are perspective views showing a state in which the screen of the present invention is attached to the wastewater mass. A ... Screen 1 ... Support frame 13 ... Needle-like projections 2 ... Net 3 ... Wastewater mass 4 ... Groove

Claims (1)

[Scope of utility model registration request] 1. A support frame having a plurality of needle-like protrusions on one surface is attached to a groove with the needle-like protrusions facing in the upstream direction, and a net is attached to the support frame to connect the needle-like protrusions of the support frame. A screen for removing dust, which is characterized by being attached by penetrating the mesh.