US20020139734A1

US20020139734A1 - Toothformed lattice plate

Info

Publication number: US20020139734A1
Application number: US09/823,249
Authority: US
Inventors: Sung Hur
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-03-30
Filing date: 2001-03-30
Publication date: 2002-10-03

Abstract

The invention built up of a movable lattice plate and a fixed lattice plate for the step type filter, wherein the horizontal step shaped plate is made slightly downward to the flowing direction, and the step joint face connecting the distance between each step shaped plate is made in roundly dented form leading to the toothformed lattice plate, by which application a step type filter is built up, and such a step type filter formed could operate even by an setting angle nearing a steep inclination (near 90°) so that may collect and discharge the solid material effectively despite its application to the deep waterway.

Description

BACKGROUND OF THE INVENTION

1. Field of the Invention

The invention relates to the toothformed lattice plate for the filter which discharges any collected solid material mixed up in the water flowing along said water way set up as in the case of at the sewerage to the outside of the water way.

2. Description of the Prior Art

The lattice plates of a long plate formed body machined as the vertical step shaped plate, some of which are utilized as the movable lattice plates, the

fixed lattice plate

21, wherein said multiple fixed lattice plates 21 are arranged, said plates 21 are fixed to the fixed frame F of a fixed lattice part 2, between said each other neighboring fixed lattice plate 21 a movable lattice plate 11 is arranged, said arranged multiple movable lattice plates 11 are fixed to a movable frame R of the movable lattice plate part 1, said movable lattice part 1 performing a circular motion by a driving mechanism 3 consisting of an electric motor 3A, reduction gear 3B and an eccentric motion mechanism 3C, thereby built up of a step type filter as shown in FIGS. 1 and 2, wherein it is set up along the water way to operate, the movable lattice part 1 performing a circular motion along the moving track Q as shown in FIG. 4 and further collecting some solid material just as adulterations flowing along the waterway to get them to discharge to the outside.

The moving track Q for the said

movable lattice part

1, wherein centering around point P between points A and B, so that may pass the shortest distance of the outside for three points A, B, C, the reason of having a path a little slighthly over the overside at a near distance from point B is to lift up the solid material on the bottom step shaped plate to a slightly inward and safely, further turning the outside slightly to the near distance from point C is for the edges of the movable lattice plates not to interfere with the solid material accumulated in the inside corner of top face for the fixed lattice plate.

FIG. 5 shows a process collecting the solid material of the filter, wherein the solid material S in the waterway filtered by the

movable lattice part

1 and fixed lattice part 2 should be placed on the step

shaped plate

11A, 21A, the plate 11 for said movable lattice part 1 performing a circular motion along the moving track Q, the solid material S on said bottom step shaped plate is transported to one more step shaped

plate

11A, 21A, subsequently the solid material S moving step by step to the upper part for the filter, thus the solid material S transported to the top step shaped plate is to be eliminated away to the outside of the conveyor(not shown in Fig).

By the way such a previous filter, wherein the solid material S accumulated on the step

shaped plate

11A, 21A by providing the setting angle of the filter, i.e. the setting angle of the movable lattice plate and fixed lattice plate with 45° could be effectively transported to the upper step as the step shaped

plate

11A, 21A formed vertically in the movable lattice plate 11 or fixed one.

In case the filter is intended to provide the setting angle with more than 45°, said step shaped

plate

11A, 21A of said movable lattice plate 11 or fixed lattice plate 21 is set not in horizontal—but downward position in the front, accordingly the solid material S on said step shaped

plate

11A, 21A tends to fall down forward away. As such a result, the said solid material S would not be transported to one further step upward.

Thus to prevent the solid material from falling down from said step shaped plate, a step shaped

plate

41A made as shown in FIG. 7 so as to keep a horizontal plane just as a waterway, and a step joint part 41B connecting said step shaped plate 41A has to be inclined, said plate 41 made in toothform is set up by a steep slope(i.e. 75°), in case providing said tooth form movable lattice plate 41 with a circular motion, said movable lattice plate 41 around point P being free from the hatched area near point G out of three points E, F, G, in case said movable lattice plate 41 should move downward, the solid material S in the hatched area near said point G of said step shaped plate for the fixed lattice plate thrown down ward could not move upward to one further step shaped plate.

Therefore the filter built up of the lattice plate made as the previous vertical step shaped plate should always maintain the setting angle in the waterway by 45°.

As the setting angle for such a previous filter is limited by 45° only, deeper the waterway depth is, longer the filter length has to be maintained, for which fragile filter structure applicable only within 2.7 m deep of the waterway depth was designed and made.

Now at present in case of city sewage disposal plant, bearing in mind of the rainy season and flood season the normal waterway depth is designed to maintain between 2.5 and 7 m so that the previous step type filter could not apply to the various waterways.

The invention is to provide a tooth formed lattice plate by solving said problems, wherein a tooth formed lattice plate is built, by which a step type filter is formed so that may be set in steep slope along the waterway.

SUMMARY OF THE INVENTION

The invention of the step type filter built up of the movable lattice plate and fixed lattice plate, wherein the horizontal step shaped plate is slightly downward made toward the flowing direction to form a downward inclined angle, the step joint face connecting the distance between each face is made to become roundly dented, which lattice plate is built up of a tooth formed lattice plate, by which the step form filter is formed, wherein by providing said filter with a setting steep slope angle(near 90°) in the deep waterway, even if said setting angle is so steep, it could provide with effective possible collection and discharge of the solid material.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 shows a perspective installed view of a step type filter: [0015]
FIG. 2 shows a side view of the a step type filter; [0016]
FIG. 3 shows a side view of the lattice plate for a previous step type filter; [0017]
FIG. 4 shows a motion sate of the lattice plate for a previous step type filter; [0018]
FIG. 5 shows a descriptive transportation of the solid material for a previous step type filter; [0019]
FIG. 6 shows an steep inclined installation profile of a previous step type filter; [0020]
FIG. 7 shows a case of a circular motion of the steep slope tooth form lattice plate; [0021]
FIG. 8 shows a side view of a tooth form lattice plate according the invention; [0022]
FIG. 9 shows an elliptical motion of the tooth form lattice plate according to the invention.[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

FIG. 8 shows a side view of a [0024] toothformed lattice plate 100 according to the invention built up of the movable tooth form lattice plate of the movable lattice part and further a structure of fixed tooth form lattice plate for the fixed lattice part.
The step shaped [0025] plate 100A of the tooth formed lattice plate according to the invention is arranged slightly inclined inward to the horizontal flow direction, and step joint face 100B connecting the distance between the step shaped plate 100A and the step shaped plate 100A is formed in roundly dented profile.
One part out of the tooth formed lattice plates built described as above forms a fixed lattice plate and the other part forms a movable lattice plate to provide a steep sloped type filter, wherein said movable lattice part for the filter is connected to an elliptical motion mechanism(not shown in Fig.) by which said movable lattice part should be elliptically driven, said [0026] movable lattice plate 100 performing an elliptical motion along the elliptical track as shown in FIG. 9, the solid material filtered on said step shaped plate 100A is to move one further step upward to said next above step shaped plate 100A.
The elliptical motion is to be arranged along the elliptical movement track passing nearby through points K, L, M based on the point P, center of points K and L. [0027]
Accordingly even though the setting(e) for the step type filter as shown in FIG. 8 is more than 45° as said step shaped [0028] plate 100A of the lattice plate 100 is not inclined outward(front) as previous case but inward, the solid material accumulated on said step shaped plate 100A is not interfered with by the edges of the movable lattice plate 100 but could be moved step by step to said next top step shaped plate 100A.
And the step joint face [0029] 100B is built in a dented form, which is arrayed between said step shaped plate 100A and said step joint face 100B leading to maintain an enough space for the solid material, by which the solid material S could be safely filtered.
Should such filter structure be formed by utilizing said toothformed lattice plates for both movable lattice plates and fixed lattice plate according to the application, said step shaped plate for said lattice plate is inclined slightly inward deviated from the horizontal direction to keep an eligible angle so as to transport the solid material and further the setting angle (θ) could approach nearly 90° steeply, by which even though the length of said step type filter itself is always same, it would be set up in the deeper waterway and by way of controlling each angle and tooth form for said tooth formed lattice plate for the elliptical motion mechanism would lead to the possible variable adjusting the setting angle, by which the usable range for said tooth formed lattice plate according to the invention would be extended and further the solid material moving along the waterway could be effectively and safely collected. Accordingly, the present invention constructed in this manner provides a convenient headset device applicable to other various use. [0030]
Although the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims. [0031]

Claims

What is claimed is:

1. The tooth formed lattice plate with the step face and step joint face applicable to the step type filter is characterized in that the step shaped plate is formed so as to maintain a slightly inward inclined angle toward the flowing direction, the step joint face roundly dented.