JPH08267054A - Waste water treating vessel - Google Patents

Abstract

PURPOSE: To sufficiently execute a settling treatment of waste water by not only passing the waste water to upper communicating passages between respective treating chambers but also passing the waste water to the bottom communicating paths between the respective treating chambers and removing the impurities in the waste water in the respective treating chambers. CONSTITUTION: This waste water treating vessel 1 is juxtaposed with an inlet side treating vessel 2, the intermediate treating vessels 3, 4 and an outlet side treating vessel 5. The inlet side treating vessel 2 segments an upstream treating chamber 7 having a communicating path 6 as an inlet in the upper part and a downstream treating chamber 9 having an upper communicating path 8 in the upper part by a partition wall 10. The intermediate treating vessels 3, 4 are similarly constituted as well to communicate the upper communicating path 8 and an upper communicating path 11 of an upper treating chamber 12 of the intermediate treating vessel 3 adjacent thereto and to communicate an upper communicating path 13 of a downstream treating chamber 14 of the intermediate treating vessel 3 and the upper communicating path 11. While the waste water passes the respective treating chambers 7, 9, 12, 14, the waste water passes fiber cotton 2, coal 23 and coke 24, fiber cotton 22, coal 23, fibber cotton 22 sand coal 23 in this order, by which the impurities in the waste water are removed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wastewater treatment tank capable of filtering oil, dust, sand or sewage flowing out from factories or ordinary households to some extent and then draining it to a gutter or a river. .

[0002]

2. Description of the Related Art In a conventional wastewater treatment tank, a plurality of treatment chambers are arranged side by side from an inlet side treatment chamber to an outlet side treatment chamber, and the treatment chambers are sequentially connected by a communication passage, and the solid wastewater treatment chamber is placed in each of the treatment chambers. Treated material is included. The communication passages are provided at the top of the processing chambers and are connected to each other.
Then, the wastewater supplied from the inlet is sequentially subjected to a sedimentation treatment in each processing chamber and discharged from the outlet.

[0003]

However, since the communication passages are provided at the upper part of each processing chamber and are connected to each other, the wastewater is not sufficiently settled in the upstream processing chamber of the two processing chambers adjacent to each other. In the meantime, it flows from the upper communication passage into the downstream processing chamber. Therefore, there is a problem that the sedimentation treatment of the waste water cannot be sufficiently performed.

An object of the present invention is to sufficiently perform sedimentation treatment in each treatment chamber to enhance purification of waste water.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
The present invention will be described with reference to the symbols of 3) to 3). The wastewater treatment tank according to the first invention is configured as follows.

From the inlet side processing chamber (7) to the outlet side processing chamber (1
8) Multiple processing chambers (7, 9, 12, 14, 1)
8) are installed side by side and each processing chamber (7, 9, 12, 14, 1)
8) is a communication passage (6,16,8,11,17,13,1)
9.20). The waste water solid treatment material (21, 2) is placed in any treatment chamber (7, 9, 12, 14) of the treatment chambers (7, 9, 12, 14, 18).
2, 23, 24) are included. Communication paths (8, 11, 13, 19) are provided between the upper portions of arbitrary processing chambers (7, 9, 12, 14, 18) adjacent to each other among the processing chambers (7, 9, 12, 14, 18). ) Is connected.

In particular, each processing chamber (7, 9, 12, 1)
4, 18), both adjacent processing chambers (7,
The bottom portions of 9, 12, 14) are connected by communication passages (16, 17).

The wastewater treatment tank according to the second invention is constructed as follows. A plurality of processing chambers (7, 9, 12, 1) extending from the inlet side processing chamber (7) to the outlet side processing chamber (18).
4, 18) are arranged side by side and each processing chamber (7, 9, 12, 1)
4, 18) are communication passages (6, 16, 8, 11, 11, 17, 1)
3, 19.20).

The bottom of the upstream processing chamber (7, 12) having the communication passages (6, 11) in the upper portion and the communication passages (8, 13) in the upper portion.
With the bottom of the downstream processing chamber (9, 14) having a communication passage (1
A set of treatment tanks (2, 3, 3) connected by
4) is provided in one or more sets.

In both sets of treatment tanks (2, 3 or 3, 4) adjacent to each other, the upper communication passages (8, 13) of the downstream treatment chamber (9, 14) in the upstream treatment tank (2, 3). ) Is connected to the upper communication passage (11) of the upstream processing chamber (12) in the downstream processing tank (3, 4).

Waste water solid treatment materials (21, 22, 23, 24) are placed in the upstream treatment chambers (7, 12) and the downstream treatment chambers (9, 14) of the treatment tanks (2, 3, 4) of each set. It is included. The wastewater treatment tank according to the third invention is configured as follows.

The wastewater solid treatment material described in the first invention or the second invention is fiber cotton (22) or charcoal (23) or coke (24).

[0013]

The drainage not only flows through the upper communication passages (8, 11, 13) between the processing chambers (7, 9, 12.14), but also the processing chambers (7, 9, 12.14). Flow through the bottom communication passages (16, 17) between the processing chambers (7, 9, 1).
It becomes easy to stay in 2.14) moderately. Moreover, while the wastewater flows through the respective treatment chambers (7, 9, 12.14), it passes through the wastewater solid treatment material such as fiber cotton (22), charcoal (23) and coke (24), and impurities in the wastewater are discharged. To be removed. Therefore, the sedimentation treatment of the waste water is sufficiently performed.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A wastewater treatment tank (drainage clean box) according to an embodiment of the present invention will be described below with reference to the drawings.

Drainage clean box 1 having a lid 1a
Is a system in which a set of inlet side processing tank 2, two sets of intermediate processing tanks 3 and 4 and an outlet side processing tank 5 are arranged side by side. The inlet-side processing tank 2 is formed by arranging an upstream processing chamber 7 having a communication passage 6 as an inlet in the upper portion and a downstream processing chamber 9 having a communication passage 8 in the upper portion, the upstream processing chamber 7 being The downstream processing chamber 9 is partitioned by a partition wall 10. The two sets of the intermediate processing tanks 3 and 4 also have an upstream processing chamber 12 having a communication passage 11 at the upper part.
And a downstream processing chamber 14 having a communication passage 13 in the upper part thereof are arranged in parallel, and the upstream processing chamber 12 and the downstream processing chamber 14 are partitioned by a partition wall 15. The upper communication passage 8 of the downstream processing chamber 9 of the inlet side processing tank 2 and the upper communication passage 11 of the upstream processing chamber 12 of the intermediate processing tank 3 adjacent thereto are connected. Of the two intermediate processing tanks 3 and 4 adjacent to each other, the upper communication passage 13 of the downstream processing chamber 14 of the upstream intermediate processing tank 3,
Upper communication path 11 of the upstream processing chamber 12 of the downstream side intermediate processing tank 4
It is connected to.

In particular, in the inlet side processing tank 2 and both intermediate processing tanks 3 and 4, communication walls 16 and 17 having a crescent cross section are formed at the bottoms of the partition walls 10 and 15, and the upstream processing chambers 7 and 1 are formed.
2 and the downstream processing chambers 9 and 14 are connected by the communication passages 16 and 17.

The outlet side processing tank 5 comprises one processing chamber 18, and the downstream processing chamber 14 of the intermediate processing tank 4 adjacent thereto.
The upper communication passage 19 is connected to the upper communication passage 13, and the communication passage 20 as an outlet is provided in the lower portion of the processing chamber 18.

In the processing chambers 7 and 9 of the inlet side processing tank 2, the processing chambers 12 and 14 of both intermediate processing tanks 3 and 4, and the processing chamber 18 of the outlet side processing tank 5, the waste water solid processing material is provided at the bottom thereof. The sand 21 is laid out.

In the upstream processing chamber 7 of the inlet side processing tank 2 and the upstream processing chambers 12 of both the intermediate processing tanks 3 and 4, on the sand 21 at the bottom thereof, the oil removing fiber cotton 22 as the drainage solid processing material is provided on the upper side. From the bottom to the bottom. The oil removing fiber cotton 22 has water permeability and can be incinerated.

In the downstream treatment chamber 9 of the inlet side treatment tank 2, charcoal 23 as waste water solid treatment material is placed on the sand 21 at the bottom thereof.
(Fuel made by steaming wood) is placed, and on this charcoal 23, coke 2 as a waste water solid treatment material
4 (a porous fuel obtained by carbonizing caking coal at a high temperature) is placed, and the charcoal 23 and the coke 24 are filled from the upper part to the bottom part of the downstream processing chamber 9. In the downstream processing chambers 14 of both the intermediate processing tanks 3 and 4, the sand 21 at the bottom is filled with charcoal 23 as a waste solid treatment material from the top to the bottom.

Nothing is put in the processing chamber 18 of the outlet side processing tank 5 other than the sand 21. Now, oil, dust, sand, and sewage flowing out from factories and ordinary households are supplied as drainage from the inlet (upper communication passage 6) of the upstream processing chamber 7 of the inlet side processing tank 2. Oil and dust in the waste water remain on the cotton fiber 22 in the upstream processing chamber 7. The wastewater other than that settles through the fiber cotton 22 in the upstream processing chamber 7 and reaches the bottom of the downstream processing chamber 9 of the inlet side processing tank 2 from the bottom communication passage 16. Oil or the like in the drainage permeates the sand 21 at the bottom of both processing chambers 7 and 9. Further, the wastewater from which oil and dust have been removed is the charcoal 23 and the coke 24 in the downstream treatment chamber 9.
It reaches the upper part of the downstream processing chamber 9 while being cleaned.

Next, the waste water purified in the inlet side treatment tank 2 is treated upstream of the intermediate treatment tank 3 in the upstream treatment chamber 12 of the intermediate treatment tank 3.
Are supplied through the upper communication holes 8 and 11. After that, drainage treatment is performed in the same manner as in the case of the inlet side treatment tank 2. Then, the purified wastewater is transferred from the downstream processing chamber 14 of the intermediate processing tank 3 to the next intermediate processing tank 4
Is supplied to the upstream processing chamber 12 through the upper communication holes 13 and 11. Also in this case, wastewater treatment is performed in the same manner as in the case of the inlet side treatment tank 2.

The wastewater thus considerably cleaned is supplied from the intermediate treatment tank 4 to the treatment chamber 18 of the outlet side treatment tank 5 through the upper communication holes 13 and 19 thereof, and after precipitation, it is discharged at the outlet (recommended). It is discharged from the passage 20) to a gutter or a river.

The present embodiment has the following characteristics (a) to (d). (B) The wastewater not only flows through the upper communication passages 8, 11, 13, 19 between the processing chambers 7, 9, 12.14, 18 but also between the processing chambers 7, 9, 12.14. It flows through the bottom communication passages 16 and 17, and each processing chamber 7, 9, 12.1.
It becomes easy to stay in 4, 18 moderately. Moreover, while the wastewater flows through the respective processing chambers 7, 9, 12.14, the fiber cotton 22, charcoal 23 and coke 24, fiber cotton 22, charcoal 23, fiber cotton 2
2. The impurities in the waste water are gradually removed through the order of 2 and charcoal 23. Therefore, it is possible to sufficiently perform the sedimentation treatment of the wastewater to enhance the purification of the wastewater. As a result, oil, dust, sand, and sewage flowing out from factories and ordinary households can be returned to the gutters and rivers as clean wastewater to help purify and recycle water and protect the global environment.

(B) Waste water is treated in each processing chamber 7, 9, 12.1
When flowing to 4,18, upper communication passages 8,11,13,19
By alternately passing through and the bottom communication passages 16 and 17, the effect of sedimentation treatment of wastewater is further enhanced, and purification of wastewater can be further enhanced.

(C) The drainage clean box 1 is
The size and standard can be freely changed according to the space of the factory or household, and it is easy and convenient to handle. (D) The fiber cotton 22 as the drainage solid treatment material can be easily treated by drying and burning.

In addition to the above-described embodiment, the following (a) to (e) may be constructed. (A) The outlet side processing tank 5 of the above-mentioned embodiment is omitted, and the upper communication passage 13 of the downstream processing chamber 14 of the intermediate processing tank 4 is used as the outlet.

(B) When the waste water is made to flow into each processing chamber, it is not necessary to alternately pass the upper communication passages 8, 11, 13, 19 and the bottom communication passages 16, 17 as shown in the above-mentioned embodiment, and the upper communication passages are not required. Arbitrarily combine the passage and the bottom communication passage.

(C) The number of processing chambers is arbitrarily changed. For example, both of the intermediate processing tanks 3 and 4 and the outlet side processing tank 5 of the above embodiment are omitted, and only the inlet side processing tank 2 is used, and the upper communication passage 8 of the downstream processing chamber 9 is used as the outlet.

(D) The drainage solid treatment material is placed in any of the treatment chambers. (E) As the drainage solid treatment material, a material other than the fiber cotton 22, the charcoal 23, and the coke 24 of the above-mentioned embodiment is used.

[0031]

EFFECTS OF THE INVENTION According to the wastewater treatment tank of the present invention, the sedimentation treatment of the wastewater is sufficiently performed to enhance the purification of the wastewater, and the oil, dust, sand and sewage flowing out from factories and general households can be cleaned. It can be returned to gutters and rivers as wastewater to help purify and recycle water and protect the global environment.

[Brief description of drawings]

FIG. 1 is a principle diagram showing a wastewater treatment system using a wastewater clean box as a wastewater treatment tank.

FIG. 2 (a) is a sectional view taken along line XX of FIG.
(B) is a sectional view taken along the line YY of FIG. 1.

FIG. 3 is a perspective view of the drainage clean box with a lid removed.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Wastewater clean box as a wastewater treatment tank, 2 ... Entrance side treatment tank, 3 ... Intermediate treatment tank, 4 ... Intermediate treatment tank, 5 ... Exit side treatment tank, 6 ... Inlet communication passage, 7 ... Upstream treatment chamber , 8 ... upper communication passage, 9 ... downstream processing chamber, 11 ... upper communication passage, 12 ... upstream processing chamber, 13 ... upper communication passage, 14 ... downstream processing chamber, 16 ... bottom communication passage, 17 ... bottom communication passage, 18 …
Processing chamber, 19 ... Upper communication passage, 20 ... Communication passage as an outlet, 21 ... Sand, 22 ... Fiber cotton, 23 ... Charcoal, 24 ... Coke.

Claims (3)

[Claims] 1. A plurality of processing chambers (7, 9, 12, 1) extending from the inlet side processing chamber (7) to the outlet side processing chamber (18).
4, 18) are installed side by side and each processing chamber (7, 9, 12, 14,
18) to the communication passage (6, 16, 8, 11, 17, 17, 13, 1)
9.20) in the wastewater treatment tank sequentially connected, the wastewater solid treatment material (7, 9, 12, 14) in any of the treatment chambers (7, 9, 12, 14, 18) 21, 22, 23, 24) and any two processing chambers (7, 9, 12, 14, 14) adjacent to each other among the processing chambers (7, 9, 12, 14, 18)
The upper portions of 8) are connected by communication passages (8, 11, 13, 19), and any two processing chambers (7, 9) adjacent to each other among the processing chambers (7, 9, 12, 14, 18) are connected. , 12, 14) are connected to each other by communicating passages (16, 17). 2. A plurality of processing chambers (7, 9, 12, 1) extending from the inlet side processing chamber (7) to the outlet side processing chamber (18).
4, 18) are installed side by side and each processing chamber (7, 9, 12, 14,
18) to the communication passage (6, 16, 8, 11, 17, 17, 13, 1)
In the wastewater treatment tanks sequentially connected by 9.20), the upstream treatment chamber (7,1) having the communication passages (6,11) in the upper part.
A set of processing tanks (2, 3, 4) in which the bottom of 2) and the bottom of the downstream processing chamber (9, 14) having the communication passages (8, 13) in the upper part are connected by the communication passages (16, 17). ) Is provided in one or more pairs, and the upper communication passages of the downstream processing chambers (9, 14) in the upstream processing tanks (2, 3) are located in the processing tanks (2, 3 or 3, 4) adjacent to each other. (8, 13) is connected to the upper communication passage (11) of the upstream processing chamber (12) in the downstream processing tank (3, 4), and the upstream processing chamber ( 7, 1
2) and a downstream treatment chamber (9, 14), a waste water treatment tank (21, 22, 23, 24) is placed in the waste water treatment tank. 3. The waste water treatment tank according to claim 1 or 2, wherein the waste water solid treatment material is fiber cotton (22), charcoal (23) or coke (24).