JP3045965B2 - Oil interceptor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil interceptor that intercepts and removes oil contained in waste water before discharging the waste water to a sewer pipe or the like.

[0002]

2. Description of the Related Art Conventional oil interceptors of this type include:
The one shown in FIGS. 7 and 8 is commonly used and will be described. It has a tank body 31 and a removable lid 32 covering the upper part of the tank body 31, and a front wall of the tank body 31.
An inlet 34 is provided at 33, and a drain 37 is provided at the rear wall 36. Such an oil interceptor is perforated in a slab on the lower floor of a building, and is installed in a space between the slab and the slab on the upper floor. After the foreign matter is collected by a filter basket 42 detachably provided in the inflow portion 41, the wastewater flowing from the inflow portion 34 flows into the obstruction portion 38 to reach the water level W, and the baffle 39 provided at the bottom thereof. As a result, the oil flows in the lateral direction while flowing in the blocking portion 38 in the vertical direction. During this time, the oil floats due to the difference in specific gravity, and the oil is recovered by opening the lid 32.

[0003]

However, at this time, the tank body
The drainage in the 31 is composed of the vertical and horizontal directions because the oil is separated from the drainage by alternately repeating the vertical flow and the horizontal flow in the interceptor 38. The longer the flow path and the longer the flow time, the better the oil recovery rate is maintained. On the other hand, recently, there has been a tendency in buildings to reduce the height of the space below the floor slab so that holes are not made in the slab. Therefore, the height h of the tank main body 31 installed in the space must be reduced, and for this reason, the flow path in the vertical direction is short, and the length of the entire flow path is short, and the flow time is also short. There is a problem that the recovery rate decreases due to the shortening.

Accordingly, an object of the present invention is to solve the above-mentioned problems of the conventional oil interceptor, to increase the length of the entire flow path even if the height of the tank body is reduced, and to increase the drainage. An object of the present invention is to provide an oil interceptor in which a turbulent state is maintained, the flow time is maintained long, and the recovery rate of oil can be kept good.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention has a tank body 1 and a lid 2 for covering the upper part of the tank body 1, wherein the tank body 1 is provided in front of the tank body 1. In the oil interceptor provided with the inflow port 4 in the wall 3 and the drain port 7 in the rear wall 6, the invention according to claim 1 is characterized in that the inflow port 4 side and the drain port 7 in the tank body 1 are provided. First and second vertical main partitioning plates 16 and 17 having water outlets 23 and 24 on the sides are detachably mounted, and are divided into an inflow portion 13, an outflow portion 14 and an intercepting portion 21 therebetween. The intercepting portion 21 is attached between the first and second main partition plates 16 and 17 along the flow direction of the treated water at an interval from the first and second side walls 8 and 9 of the tank body 1. First and second sub-partition plates 18 and 19 forming first and second flow paths 31 and 32 are provided, and these first and second sub-partition plates 18 and 19 are provided with second and first main partition plates 17 and 16. Abuts with The first and second openings 25 and 26 are provided above the first opening 25, respectively, and on the opposite side of the first flow path 31 with the first opening 25 interposed therebetween, near the second main partition 17 of the first sub-partition 18. , The first baffle 22-toward the second sub-partition plate 19
1, the edge of the first baffle 22-1 is separated from the second sub-partition plate 19, and the third flow path 33 is provided between the second main partition plate 17 and the first baffle 22-1. Is formed, and the second opening is formed.
On the opposite side of the second flow path 32 with the 26 interposed therebetween, a third baffle 22-3 toward the first sub-partition plate 18 is connected and arranged near the first main partition plate 16 of the second sub-partition plate 19, The edge of the third baffle 22-3 is separated from the first sub-partition plate 18, and a fifth flow path 33 is formed between the first main partition plate 16 and the third baffle 22-3. A second baffle 22-2 heading toward the third baffle 22-3 is connected to the edge of the second baffle 22-3.
-2 is spaced from the third baffle 22-3, and the fourth flow path 34 is provided between the second baffle 22-2 and the second sub-partition plate 19.
Is formed, and a fourth baffle 22-4 heading toward the first baffle 22-1 is connected and arranged at an edge of the third baffle 22-3,
The edge of the fourth baffle 22-4 is separated from the first baffle 22-1, and a sixth flow path 34 is formed between the fourth baffle 22-4 and the first sub-partition plate 18, and the second baffle 22-4 A fifth baffle 22-5 is connected and arranged between the middle of the sub-partition plate 19 and an edge of the second baffle 22-2, and an edge of the second baffle 22-2 and an edge of the fourth baffle 22-4. The sixth baffle 22-6 is connected and arranged between the first baffle 22-4 and the seventh baffle 22-7 is connected and arranged between the edge of the fourth baffle 22-4 and the middle of the first sub-partition plate 18. 5
A third opening 27 and a fourth opening 28 are provided below the baffle 22-5 and the seventh baffle 22-7, and a fifth opening 29 is provided above the sixth baffle 22-6.
22-1, the second baffle 22-2, the sixth baffle 22-6, the seventh baffle 22-7, and a part of the second sub-partition plate 19,
A seventh flow path 37 is formed, and a third baffle 22-3, a fourth baffle 22-4, a fifth baffle 22-5, and a sixth baffle 22-6.
An eighth flow path 38 is formed by the part of the second sub-partition plate 19 and a part of the fourth baffle 22-4 in the seventh flow path 37. An eighth baffle 22-8 having an edge is connected and arranged in the eighth flow path 38, and a ninth baffle 22-8 having a free edge extending in the direction of extension of the second baffle 22-2 is provided in the eighth channel 38. 9 are connected and arranged so that the treated water flows through the outlet 2
3, first flow path 31, first opening 25, third flow path 33, fourth flow path 3
4, third opening 27, eighth passage 38, fifth opening 29, seventh passage 37, fourth opening 28, sixth passage 36, fifth passage 35, second opening 26, The second flow path 32 and the flowing water port 24 sequentially flow.

According to the second aspect of the present invention, the inflow port 4 and the drain port 7 of the tank body 1 are respectively connected to the front and rear walls 3, 6 of the tank body 1.
Is provided at the upper part of the main part, and the water outlets of the main partition plates 16 and 17 of the interceptor 21
Reference numerals 23 and 24 are provided below the main partition plates 16 and 17, respectively.

The third aspect of the present invention is characterized in that a plurality of sets of blocking portions 21 are formed along the drain direction.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention shown in the drawings has a tank body 1 and a lid 2 for covering the upper part of the tank body 1. An inlet 4 is provided, and a drain port 7 is provided in the rear wall 6. Vertical guide rails 11, 12 are provided on the wall surfaces of the first and second side walls 8, 9 of the tank body 1,
First and second main partition plates 16 and 17 are detachably mounted on the guide rails 11 and 12, respectively, and these first and second main partition plates 16 and 17 are provided.
Inflow section 13, outflow section 14, and an intermediary between them
It is divided into 21 and. The filtering basket 5 is provided detachably in the inflow portion 13.

[0009] The intercepting portion 21 includes first and second main partition plates 16 and 17.
And a pair of first and second sub-partition plates 18 and 19 arranged between the first and second side walls 8 and 9 of the tank body 1 at intervals along the flow direction of the drainage. As shown in FIG. 4, these first sub-partition plates 18 are provided with a first opening 25 above a portion in contact with the second main partition plate 17. Also, a second portion is provided above a portion that contacts the first main partition plate 16.
An opening 26 is provided. Thus, the first side wall 8
The first flow path 31 is formed by the first sub-partition plate 18 and the second sub-partition plate 18, and the second flow path 32 is formed by the second side wall 9 and the second sub-partition plate 19.

The first baffle extends along the edge of the first opening 25 of the first sub-partition plate 18 in a direction perpendicular to the first sub-partition plate 18.
22-1 are arranged and connected, and the second main partition plate 17 and the first baffle
22-1, a third flow path 33 is formed.
33 is in communication with the first flow path 31 through the first opening 25. The second edge is perpendicular to the leading edge of the first baffle 22-1.
The second baffle 22-2 is connected and arranged.
The second flow path 34 is formed by the second and the second sub-partition plates 19.

Along the edge of the second opening 26 of the second sub-partition plate 19, the third baffle 22-3 is perpendicular to the second sub-partition plate 19.
However, its free edge is arranged to be separated from the first sub-partition plate 18. Thus, a fifth flow path 35 is formed between the first main partition plate 16 and the third baffle 22-3. The fourth baffle 22- is perpendicular to the leading edge of the third baffle 22-3.
The fourth baffle 22-4 and the first sub-partition plate 18 form a sixth flow path 36.

The middle of the second sub-partition plate 19 and the second baffle 22-
The fifth baffle 22-5 is connected and arranged between the second baffle 22-2 and the fourth baffle 22-4.
A baffle 22-6 is connected and arranged. A seventh baffle 22-7 is connected and arranged between the fourth baffle 22-4 and the first sub-partition plate 18, and these fifth and sixth baffles 22-6 are arranged. And the seventh baffle 22-7 is straight. As shown in FIG. 5, a third opening 27 is provided below the fifth baffle 22-5, and a fourth opening 28 is provided below the seventh baffle 22-7.
However, a fifth opening 29 is provided above the sixth baffle 22-6.

As described above, the first sub-partition plate 18, the first
Baffle 22-1, second baffle 22-2, sixth baffle 22
-6, the seventh flow path 37 is formed by the seventh baffle 22-7, the second sub-partition plate 19, the second baffle 22-2, the third baffle 22-3, the fourth baffle 22-4, and the sixth baffle. An eighth channel 38 is formed by 22-6.

The first flow path 31 and the third flow path 33 are connected to the first flow path.
The fourth flow path 34 and the eighth flow path 38 are separated from each other by the first opening 25 at the upper part of the sub-partition plate 18 and the third flow path 27 at the lower part of the fifth baffle 22-5. The 36 and seventh flow paths 37 are formed by a fourth opening 28 below the seventh baffle 22-7, and the seventh flow path 36 and the eighth flow path 38 are formed by a fourth opening 28 above the sixth baffle 22-6. The five openings 29 communicate with each other.

When such a material is used, the drainage flowing in the gutter flows into the inflow portion 13 and foreign matter is removed by the filter basket 5, and as shown by the arrow, the first main partition plate 16 Through the water outlet 23 located on one side below, it flows into the first flow path 31, collides with the second main partition plate 17, and moves upward,
It flows over the first opening 25 above the first sub-partitioning plate 18 and flows down into the third flow path 33.

Then, it collides with the second sub-partition plate 19, changes the flow direction to a right angle, flows in the fourth flow path 34, and
It flows into the eighth flow path 38 through the third opening 27 at the lower part of 22-5. Here, the flow direction is changed to a right angle, and flows in the eighth flow path 38, collides with the sixth baffle 22-6, and moves upward.
After flowing over the second opening 26 at the top of the baffle 22-6, it flows down and flows into the seventh flow path 37.

Then, it collides with the first baffle 22-1, and then with the first sub-partition plate 18, and changes the flow direction to a right angle to change the flow direction to the seventh flow path.
The air flows into the fifth flow path 35 via the fourth opening 28 below the seventh baffle 22-7. It flows in the fifth flow path 35, collides with the second sub-partition plate 19, moves upward, climbs over the second opening 26 above the second sub-partition plate 19, and flows down into the second flow path 32. And flow. The water outlet 24 located below the second main partition plate 17
Then, it flows out to the outflow portion 14 and is discharged outside.

FIG. 6 shows a second embodiment of the present invention, which is different from the first embodiment in that two sets of intercepting portions 21 are continuously provided. Can be kept better. It goes without saying that more intercepting portions 21 may be arranged.

In each of the above drawings, "up" and "down" means
The “upper” indicates the position where the flowing water rises and goes over the upper openings 25, 26, 29 of the first and second sub-partition plates 18, 19 and the sixth baffle 22-7, and the “lower” indicates the main body of the flowing water tank. 1 shows a position where the fluid flows on the bottom plate.

At the time of cleaning as described above, or when each component of the intercepting portion 21 is damaged and needs to be replaced, the lid 2 is removed and the first and second main partition plates 16 and 17 of the intercepting portion 21 are removed. Can be pulled out upward along the guide rails 11 and 12 to take out the obstruction portion 21 for efficient and complete cleaning, and in addition, the respective components can be easily replaced.

[0021]

The present invention is an oil interceptor as described above, and the invention according to the first aspect is characterized in that the first and second vertical ports are disposed in the tank main body on the inflow side and the drain side. A main partition plate is detachably mounted, and is divided into an inflow portion, an outflow portion, and an intervening portion therebetween by the main partition plate.
A pair of first and second first and second walls attached to the first and second side walls of the tank body along the flow direction of the treated water between the main partition plates.
A sub-partition plate, and a plurality of first to ninth baffles alternately arranged and attached between the first and second sub-partition plates in a flow direction of the treatment water and in a direction perpendicular thereto; , 2 main partition plates are provided with flowing water ports, and the first, second sub partition plates and the fifth to seventh baffles are provided with openings for treated water alternately at upper and lower positions along the flow direction of drainage. Since the bent channel is formed by the first and second side walls, the first and second main partition plates, the first and second sub-partition plates, and the first to ninth baffles, the height of the tank body is reduced. Even if it is lowered, the drainage flowing through the inner and outer flow paths collides with each plate and the baffle at the bent portion of the inner and outer flow paths formed by the first and second main and sub-partitioning plates and the baffle and becomes turbulent. To reduce the flow rate and increase the time for oil to separate from water, improve the separation effect and keep good oil recovery And the main partition is removable, so that the interceptor can be easily attached to and detached from the tank body, and can be cleaned efficiently and completely. There is an effect that the components can be easily replaced when the components are damaged.

According to a second aspect of the present invention, the inflow port and the drain port of the tank main body are respectively provided above the front and rear walls of the tank main body, and the flowing water ports of the first and second main partition plates are respectively connected to the main partition plate. Since it is provided at the bottom, the wastewater introduced into the interceptor is
The flow smoothly and alternately in the vertical direction and the horizontal direction, and there is an effect that a good oil recovery rate can be maintained.

According to the third aspect of the present invention, since a plurality of sets of blocking portions are formed, there is an effect that the recovery rate of the oil can be more favorably maintained.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view of a lid according to a first embodiment of the present invention.

FIG. 2 is an oblique view of the obstructing section according to the first embodiment.

FIG. 3 is a plan view of the blocking portion.

FIG. 4 is a longitudinal sectional view taken along line 4-4 in FIG. 3;

FIG. 5 is a longitudinal sectional view taken along line 5-5 in FIG. 3;

FIG. 6 is a plan view of a blocking portion according to a second embodiment of the present invention.

FIG. 7 is a vertical sectional front view of a conventional oil interceptor of the same type as the present invention.

FIG. 8 is a plan view of the same.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Tank main body 2 Lid 3 Front wall 4 Inflow port 5 Filter basket 6 Rear wall 7 Drain port 8 First side wall 9 Second side wall 11 Guide rail 12 Guide rail 13 Inflow section 14 Outflow section 16 First main partition plate 17 Second Main divider 18 First sub-divider 19 Second sub-divider 21 Interceptor 22-1 First baffle 22-2 Second baffle 22-3 Third baffle 22-4 Fourth baffle 22-5 Fifth baffle 22- 6 Sixth baffle 22-7 Seventh baffle 23 Water outlet 24 Water outlet 25 First opening 26 Second opening 27 Third opening 28 Fourth opening 29 Fifth opening 31 First flow path 32 Second flow Road 33 Third flow path 34 Fourth flow path 35 Fifth flow path 36 Sixth flow path 37 Seventh flow path 38 Eighth flow path

Claims (3)

(57) [Claims] 1. A tank body 1 and a lid 2 covering an upper portion of the tank body 1. An inlet 4 is provided in a front wall 3 of the tank body 1, and a drain port 7 is provided in a rear wall 6. In the oil interceptor, vertical first and second main partitioning plates 16 and 17 having flowing water ports 23 and 24 at the inlet 4 side and the drain port 7 side in the tank body 1 are detachably mounted. Then, these are divided into an inflow portion 13, an outflow portion 14, and an intercepting portion 21 therebetween, and the intercepting portion 21 is formed.
Is mounted between the first and second main partitioning plates 16 and 17 along the flow direction of the treated water at an interval from the first and second side walls 8 and 9 of the tank body 1 to form first and second flow paths 31. , 32 are provided, and these first and second sub-partition plates 18, 19 are provided.
19, first and second openings 25 and 26 are provided above the portions that contact the second and first main partition plates 17 and 16, respectively, and are opposed to the first flow path 31 with the first opening 25 interposed therebetween. On the side, a first baffle 22-1 toward the second sub-partition plate 19 is connected and arranged near the second main partition plate 17 of the first sub-partition plate 18, and the first baffle 22
-1 is separated from the second sub-partition plate 19, a third flow path 33 is formed between the second main partition plate 17 and the first baffle 22-1, and the second opening 26 is formed. A third baffle 22-3 directed toward the first sub-partition plate 18 is connected to the second sub-partition plate 19 near the first main partition plate 16 on the opposite side of the second flow path 32 therebetween. twenty two
-3 is separated from the first sub-partition plate 18, a fifth flow path 33 is formed between the first main partition plate 16 and the third baffle 22-3, and the first baffle 22-1 is formed. A second baffle 22-2 heading toward the third baffle 22-3 is connected to the edge of the second baffle 22-3.
The edge of 22-2 is separated from the third baffle 22-3,
A fourth flow path between the second baffle 22-2 and the second sub-partition plate 19;
A fourth baffle 22-4 heading toward the first baffle 22-1 is connected to an end edge of the third baffle 22-3.
The edge of 22-4 is separated from the first baffle 22-1;
A sixth flow path between the fourth baffle 22-4 and the first sub-partition plate 18
The fifth baffle 22-5 is connected and arranged between the middle of the second sub-partition plate 19 and the edge of the second baffle 22-2.
A sixth baffle 22-6 is connected and arranged between the edge of the second baffle 22-4 and the edge of the fourth baffle 22-4.
The seventh baffle 22 is located between the edge of the
-7 are connected and arranged, a third opening 27 and a fourth opening 28 are provided below the fifth baffle 22-5 and the seventh baffle 22-7.
Fifth openings 29 are respectively provided above the sixth baffle 22-6. The first baffle 22-1, the second baffle 22-2, the sixth baffle 22-6, the seventh baffle 22-7, and the second baffle 22-7. A seventh flow path 37 is formed by a part of the sub-partition plate 19, and the third baffle 22-3, the fourth baffle 22-4, the fifth baffle 22-5, the sixth baffle 22-6, and the second An eighth channel 38 is formed by a part of the partition plate 19, and the seventh channel 37 has a free edge at the edge of the fourth baffle 22-4, which extends in the extending direction thereof and is free. 8th baffle 22
In the eighth flow path 38, a ninth baffle 22 is provided at the edge of the second baffle 22-2.
-9 are connected and arranged, so that the treated water flows through the intercepting portion 21 at the outlet 23, the first flow path 31, the first opening 25, the third flow path 33, the fourth flow path 34, and the third opening. 27, an eighth channel 38, a fifth opening 29, a seventh channel 37,
Fourth opening 28, sixth flow path 36, fifth flow path 35, second opening 2
6. An oil interceptor characterized by flowing sequentially through the second flow path 32 and the water outlet 24. 2. The inflow port 4 and the drain port 7 of the tank body 1 are provided above the front and rear walls 3 and 6 of the tank body 1, respectively. 2. The oil interceptor according to claim 1, wherein each of the first and second partition plates is provided below the main partition plate. 3. The oil interceptor according to claim 1, wherein a plurality of sets of interceptors 21 are formed along a drain direction.