JPS629428Y2 - - Google Patents

Description

[Detailed description of the invention] Grease traps are used to separate and collect impurities and fat from water and sewage containing impurities, and the structure is generally as shown in Figure 1. .

In this drawing, 1 is the container body, 2 is the polluted water inflow pipe, 3 is the basket, 4a, 4b and 5a, 5b.
are partition plates and guide plates for dividing the interior into chambers A, B, and C; 6 is a trap; 7 is an outflow pipe; 8;
8' and 8'' are cover plates, and 9 and 9' are baffle plates.

By the way, conventional grease traps do not give any consideration to deodorizing functions, and therefore, there is a problem in that over time, bad odors leak outside and cause discomfort.

The present invention aims to eliminate the above-mentioned problems, and an example of implementing the present invention will be explained below based on the drawings.

FIG. 2 is a longitudinal sectional view, and FIG. 3 is a partially detailed view of the inclined plate.

This invention is based on basket 3 as seen in the above drawing.
An inclined plate 1 that descends in a funnel shape toward the tank wall is provided between the tank bottom and the liquid level.
0 is attached, and an inflow hole 1 is provided at the edge of the inlet.
0a is formed. At this time, the inflow hole 1
The horizontal cross-sectional area S of 0a is designed to be equal to or slightly larger than the inflow cross-sectional area of sewage flowing through the contaminated water inflow pipe connected to the container body 1,
Further, skirt plates 11a, 11b, 1 of a certain length are provided at the lower end of the inflow hole 10a to surround it.
1c is provided. At this time, the length of the skirt is such that a watertight seal is achieved with the lower edge p immersed in the liquid in the tank.

In the present invention, the liquid level in the tank is divided by partition plates, which is the same as in the past, but in the present invention, both the upper end surfaces of the partition plate 4a and the guide plate 5a are long enough to reach the upper edge of the container body 1. A rubber gasket 13 is attached to the upper part of the L-shaped key piece 12 that constitutes the handle of the partition plate 4a.

On the other hand, the upper peripheral frame 15 of the container body 1 has an edge height H
A lid plate holder 16 with a slightly lower height is provided inside, and a rubber gasket 17 is provided on the upper part of the lid plate holder 16. Reference numeral 18 denotes a vent hole provided above the liquid level of the container body 1, which is connected to an outside air pipe (not shown) to guide odor inside the tank to a location a certain distance away.

On the other hand, each lid plate 8, 8', 8'' is configured with a sealing means, i.e. the drop handle 14, 1 of each lid plate.
4' and 14'' are provided with closed chambers M, M', and M'' to surround the space under the lid surface, respectively, to remove odor from the tank and prevent it from leaking through the gap l between the tank and the handle. . Further, on the back surface of each cover plate 8, 8', 8'', ribs 8a, 8b, 8'a, 8'b, 8''a,
8″b is provided, among which ribs 8′a and 8″
A is provided with branch plates 19', 19'' that protrude a certain length from the edge of each cover plate, and rubber gaskets 20', 20'' are partially exposed from the edge of the same. When the lid is closed, one end edge of the lid plate 8, 8' is placed on the rubber gasket 20', 20''. Note that normally the ribs 8a, 8b, 8' The vertical length l of a, 8′b, 8″a, and 8″b is smaller than the height of the lid plate holder 16,
In particular, the rib 8'a is placed on the upper surface of the rubber gasket 13 so that when the lid is closed, adjacent lid plates are on the same horizontal plane.

The device of the present invention is constructed as described above, and the wastewater from the polluted water inflow pipe 2 is initially cleared of impurities in the basket 3, and then flows down along the inclined plate 9 to the squeezed through hole 10a. flows into the liquid. In the process of moving from chamber A to chamber B and chamber C sequentially through the lower end of the partition plate 4a, the fat content is separated and removed, and the clarified liquid flows from the inlet pipe 6a of the trap 6 and exits the container body. It flows into the outflow pipe 7.

In the device of the present invention, an inclined plate is provided under the bottom of the basket, and an opening with a minimum cross-sectional area suitable for the inflow of wastewater is formed in the plate, and the liquid in the tank is kept in a liquid-sealed state.
Also, since the bottom of the basket is located above the liquid level in the tank and the collected foreign matter is not immersed in the liquid, the generation of bad odors is halved compared to conventional systems. Accumulated bad odors are taken out to the outside through the ventilation holes 18, and rubber gaskets are interposed at the closed parts of each cover plate to prevent internal odors from leaking out, which prevents odors from escaping in the kitchen and other areas of use. It does not cause discomfort by being confined in the room.

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional view showing a conventional structure, FIG. 2 is a vertical cross-sectional view of the device of the present invention, and FIG. 3 is a partial perspective view of the inclined plate used in the present invention. 1... Container body, 2... Polluted water inflow pipe, 3...
Basket, 4a, 4b... Partition plate, 6... Trap, 7... Outflow pipe, 8, 8', 8''... Lid plate, 1
0...Slanted plate, 10a...Inflow hole, 13...Rubber gasket, 16...Lid plate holder, 17...Rubber gasket, 18...Vent hole, 20', 20''...
Rubber gasket.

Claims (1)

[Scope of utility model registration request] The bottom of the basket that collects impurities within the container body is set at a certain height above the liquid level in the tank, and an inclined plate is disposed between the bottom and the liquid level. In addition to forming an inflow hole with a cross-sectional area approximately equal to the cross-sectional area of the polluted water flowing inside the polluted water inflow pipe, a ventilation hole connected to the outside air pipe is provided above the liquid level in the tank. A grease trap characterized in that rubber packing is attached to the lid plate, the peripheral edge of the container body, and the joints between the lid plates.