JPH023836Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a knock-down type net unit contact material that can be easily filled into an aeration tank for water treatment, an industrial abatement treatment tower, etc.

Conventionally, when filling a net board or the like into an aeration tank for water treatment as a contact material, it has been troublesome to maintain a constant spacing between the net boards.

There is also a honeycomb net block made by curling a net board into a wavy shape and welding the peaks together, but this is expensive to manufacture and cannot be folded compactly, making it inconvenient to store or transport. As the net boards are glued together on many surfaces, the surface area of the contacting material with which microorganisms etc. come into contact becomes smaller, and clogging tends to occur in places where the contacting materials are close together, making it inefficient. .

Furthermore, when filling a net pipe into an aeration tank for water treatment, etc., there are many methods in which the net pipe is packed as is.

The disadvantage in this case is that the net pipes come in contact with each other on many surfaces, and the surface area of the contact material with which microorganisms etc. come into contact becomes smaller due to the contact surface, and the specific surface area becomes smaller. Because it was easily clogged, it was inefficient and required many net pipes, making it an expensive contact material.

It is also possible to skewer the net pipes using ordinary round pipes and fill them at regular intervals, but this makes the structure complicated and increases the cost.

Another method is to simply throw the net balls into the aquarium, but when the net balls are moved by water currents, the contacting materials are constantly rubbing against each other, so the adhesion efficiency may not be good.

In the first place, contact materials such as aeration tanks should have low resistance to water flow in all directions, have uniform contact surfaces, and be fixed.

Since the initial contact surface of the contact material becomes thicker due to the attachment of microorganisms and the like, and the contact area naturally increases, a network structure with intervals is ideal.

The purpose of this invention is to minimize the contact surface between the net materials and maintain a constant spacing between the net wires to form a net block, which is highly efficient as a contact material, and is easy to store and transport. It is an object of the present invention to provide a contact material for a knock-down type net unit which is inexpensive and simple and can be made compact when doing so.

In order to achieve this purpose, the present invention connects an inner ring and a plurality of outer rings together with a large number of bridge strands to form a dish-shaped net plate having an uneven structure on the top and bottom. The net units are molded in such a way that when a plurality of net units are stacked one above the other in the same direction, they are stacked closely together, and when stacked in the opposite direction, they are tapered so that they overlap with a space equal to the height of each unit. It has an uneven structure.

Hereinafter, embodiments of the present invention will be specifically described based on the drawings.

1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a plan view of the network unit, FIG. 2 is a partial front view, and FIG. 3 is a partial cross-sectional end view taken along the line A-A. This shows that.

Netunit NU in this example is a contact material to be filled in aeration tanks for water treatment, industrial abatement treatment towers, etc., and is molded from chemical-resistant and weather-resistant synthetic resin such as polyethylene and PP. It is.

The net unit NU connects an inner ring 1 and a plurality of rings 2a and 2b on the outside thereof together with a large number of bridge strands 3 to form an upper ring 2a.
The lower ring 2b and the bridge strand 3 form a convex-concave structure on the top and bottom and are molded into a dish-shaped net plate.

When a plurality of net units NU are stacked vertically in the same direction, they are stacked closely together,
When stacked upside down, they have a tapered concave-convex structure so that they overlap by leaving a space at their respective heights.

Then, a spacer 4a is provided at the upper part of the inner ring 1 and a spacer 4b is provided at the lower part of the lower ring 2b so that the vertically adjacent net units NU can take a space from each other.

Here, one of the lower rings 2b may be made to protrude downward to serve as a spacer.

When a large number of net units NU having such a structure are stacked vertically in the same direction, they are stacked closely together and become compact, which is convenient for storage and transportation.

Then, by placing the net units NU next to each other upside down and skewering them with round pipes or net pipes, each net unit NU takes up a space of that height and becomes a net block, making it easy to fill the processing tank. It becomes a type contact material.

4 to 6 show a second embodiment of the present invention, in which FIG. 4 is a simplified plan view of the net block unit when opened, FIG. 5 is a simplified front view, and FIG. 6 is a simplified view of the net block unit. This is a simplified front view of the block when it is closed.

In the net unit NU of this embodiment, two net units NU are connected at one end with a hinge 5 so that they can be opened and closed, and a locking mechanism 6 is provided at the other end, so that when opened, they are tightly stacked one above the other. This is a net block unit NBU that can be stacked together and cannot be laminated tightly when closed.

Here, the top and bottom of the net block unit NBU,
Netblock units next to each other on the left and right, front and back
If a locking mechanism is provided that corresponds to the NBU, it can be jointed up and down, left and right, and front and back, making it possible to create a firmly fixed net block.

Here, the net block unit NBU may be poured into the processing tank in bulk and filled, or the net block unit NBU may be filled in bulk into a foldable net box made of a net board to form a net block.

The other configurations and structures are the same as those of the first embodiment.

As is clear from the above, according to the present invention, it is possible to minimize the contact surface between the net materials and maintain a constant spacing between the net wires to form a net block, which improves efficiency as a contact material. When storing and transporting, the net material can be made compact, and an inexpensive and simple knock-down type net unit contact material can be obtained, which has great practical effects.

[Brief explanation of the drawing]

1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a plan view of the network unit, FIG. 2 is a partial front view, and FIG. 3 is a partial cross-sectional end view taken along the line A-A. 4 to 6 show a second embodiment of the present invention, in which FIG. 4 is a simplified plan view when the net block unit is opened, FIG. 5 is a simplified front view, and FIG. FIG. 6 shows a simplified front view of the net block unit when it is closed to form a block. NU...Net unit, NBU...Net block unit, 1...Inner ring, 2a...Upper ring, 2b...Lower ring, 3...Bridge strand, 4a...Spacer, 4b...Spacer, 5... Hinge, 6...Latching mechanism.

Claims (1)

[Scope of utility model registration request] It is a synthetic resin contact material for water treatment, which is made by connecting an inner ring and multiple rings on the outside together with a large number of bridge strands to form a dish-shaped net plate with an uneven structure on the top and bottom. When a plurality of net units are stacked vertically in the same direction, they are stacked closely together, and when stacked upside down, they are tapered so that they overlap with a space equal to the height of each unit. A knock-down type net unit contact material characterized by having an uneven structure.