CN215049534U

CN215049534U - Domestic sewage treatment device

Info

Publication number: CN215049534U
Application number: CN202121267568.1U
Authority: CN
Inventors: 曹翔
Original assignee: Zhejiang Risheng Environmental Protection Machinery Co ltd
Current assignee: Zhejiang Risheng Environmental Protection Machinery Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-12-07
Anticipated expiration: 2031-06-08

Abstract

The utility model provides a domestic sewage treatment device, including box, sewage flow through in proper order and be located regulating reservoir, aeration tank, sedimentation tank and the filtering area of box, sewage is through the mode flow through filtering area completion of overflow after PH value regulation, aeration and sediment and is purified, has solved the thorough technical problem of sewage purification portion among the prior art.

Description

Domestic sewage treatment device

Technical Field

The invention relates to the field of sewage treatment equipment, in particular to a domestic sewage treatment device.

Background

Domestic sewage is used as farmland fertilizer in the past, organic matters in the domestic sewage are absorbed by crops in the farmland and are converted into nutrient substances of the crops, at present, due to centralized population, various kinds of washing water, bath water and domestic water are contained in the farmland, farmyard manure is difficult to use, the environment is greatly influenced by random discharge, and the domestic sewage treatment device can well treat the domestic sewage and protect the environment.

The utility model with the Chinese patent application number of CN201821087070.5 discloses an integrated buried rural domestic sewage treatment device, relating to the technical field of sewage treatment. The device comprises a box body, wherein one end of the box body is provided with a water inlet pipe, the other end of the box body is provided with a water outlet pipe, and a grid pond, an adjusting pond, an anoxic pond, a contact oxidation pond, a sedimentation pond and a clean water pond are sequentially communicated; a basket grid is arranged in the grid pool; perforated aeration pipes are arranged at the bottoms of the regulating tank, the primary contact oxidation tank and the secondary contact oxidation tank, the perforated aeration pipes are connected with an aeration main pipe through aeration branch pipes, and the aeration main pipe is connected with an external air supply system; the bottoms of the anoxic tank, the primary contact oxidation tank and the secondary contact oxidation tank are provided with water distribution branch pipes which are connected with water distribution pipes; biological fillers are arranged in the anoxic tank, the primary contact oxidation tank and the secondary contact oxidation tank; the middle part of the sedimentation tank is provided with a central tube and a reflecting plate, the lower part of the sedimentation tank is provided with a conical sedimentation zone and a gas stripping sludge discharge tube, and the upper part of the sedimentation tank is provided with a water outlet groove. The utility model discloses compact structure, area is little, the working costs is low.

However, the sewage directly enters the clean water tank after being precipitated in the precipitation tank, and a filtering device is not needed, so that the sewage in the clean water tank is not completely purified.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the invention provides a domestic sewage treatment device which is characterized in that sewage flows through a regulating tank, an aeration tank and a sedimentation tank in sequence and then flows through a filtering tank in an overflow mode to finally complete the purification of the sewage, and the technical problem of incomplete sewage purification in the prior art is solved.

In order to achieve the above object, the utility model provides a following technical scheme:

a domestic sewage treatment device comprises a box body, a regulating tank, an aeration tank, a sedimentation tank and a filtering area, wherein sewage flows through the regulating tank, the aeration tank, the sedimentation tank and the filtering area in the box body in sequence, and the sewage flows through the filtering area in an overflow mode after being subjected to pH value regulation, aeration and sedimentation to complete purification.

As an improvement, the filtering area comprises a plurality of groups of filtering bins which are arranged side by side and connected in sequence, a water inlet is arranged at the bottom of each filtering bin, and a water outlet is arranged at the top of each filtering bin.

As an improvement, a plurality of layers of filter materials are arranged in the filter bin.

As an improvement, the filtering area also comprises a plurality of groups of transfer bins at the rear side of the filtering bin.

As an improvement, the adjusting tank, the aeration tank and the sedimentation tank are respectively provided with an opening a, an opening b and an opening c, and the opening a, the opening b and the opening c are all positioned on the outer side of the box body.

As an improvement, the front side of the regulating tank is provided with a grid well communicated with the regulating tank, and the grid well is positioned outside the box body.

As an improvement, an aeration disc is arranged at the bottom of the aeration tank, a filler is arranged above the aeration disc, and a conveying pipe which is communicated with the adjusting tank and conveys sewage to the lower part of the filler is arranged in the filler.

As an improvement, a plurality of groups of inclined tube assemblies are arranged in the sedimentation tank.

The beneficial effects of the utility model reside in that:

(1) in the utility model, sewage is changed into clear water after pH value adjustment, aeration and precipitation, the clear water enters the filtering component, and the clear water is filtered by a plurality of groups of filtering bins in an overflow mode, thereby improving the purification effect of the sewage;

(2) the sewage in the utility model can effectively remove harmful substances in the sewage after the adjustment of PH value, aeration and sedimentation, and reduce pollutants such as COD, ammonia, nitrogen and the like;

(3) the utility model discloses well equalizing basin, aeration tank, sedimentation tank and filtering area homoaggregate make whole sewage treatment plant area few inside a box, do benefit to the popularization.

To sum up, the utility model has the advantages of simple structure, design benefit, sewage treatment are effectual, are particularly useful for domestic sewage's processing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Examples

As shown in fig. 1, a domestic sewage treatment device comprises a box body 2, a regulating tank 3, an aeration tank 4, a sedimentation tank 5 and a filtering area 1, wherein sewage flows through the regulating tank 3, the aeration tank 4, the sedimentation tank 5 and the filtering area 1 in sequence, and the sewage flows through the filtering area 1 in an overflow mode after being subjected to pH value regulation, aeration and sedimentation to complete purification.

Further, the filtering area 1 comprises a plurality of groups of filtering bins 11 which are arranged side by side and connected in sequence, the bottom of each filtering bin 11 is provided with a water inlet 111, and the top of each filtering bin 11 is provided with a water outlet 112.

Further, a plurality of layers of filter materials 110 are arranged in the filter bin 11.

It should be noted that, a plurality of filter materials 110 may be disposed in the same filter bin 11.

It should be noted that the filter material 110 may be yellow sand, cobblestones, etc.

Further, the filtering area 1 further comprises a plurality of groups of transfer bins 12 at the rear side of the filtering bin 11.

It should be noted that the clean water passing through the plurality of groups of filtering bins 11 flows out through the transit bin 12.

Further, the adjusting tank 3, the aeration tank 4 and the sedimentation tank 5 are respectively provided with an opening a31, an opening b41 and an opening c51, and the opening a31, the opening b41 and the opening c51 are all located outside the box body 2.

It should be noted that the opening a31, the opening b41 and the opening c51 facilitate the cleaning and maintenance of the adjusting tank 3, the aeration tank 4 and the sedimentation tank 5, respectively.

Further, a grid well 6 communicated with the adjusting tank 3 is arranged on the front side of the adjusting tank 3, and the grid well 6 is positioned outside the box body 2.

It should be noted that the grid well 6 can effectively block the garbage which is difficult to decompose from entering the sewage treatment system.

Further, an aeration disc 42 is arranged at the bottom of the aeration tank 4, a filler 43 is arranged above the aeration disc 42, and a conveying pipe 44 which is communicated with the adjusting tank 3 and conveys sewage to the lower part of the filler 43 is arranged in the filler 43.

It should be noted that the aeration disk 42 is connected to an external blower, and the water outlet of the aeration tank 4 is located above, and sewage flows upward when entering the aeration tank 4 through the delivery pipe 44.

Furthermore, a plurality of groups of inclined tube assemblies 52 are arranged in the sedimentation tank 5.

It should be noted that the inclined tube assembly 52 can sufficiently settle sludge in the sewage.

Working process

After passing through the grid well 6, the sewage is purified by the adjusting tank 3, the aeration tank 4 and the sedimentation tank 5 to become clean water, and the clean water is completely purified by a plurality of groups of filtering bins 11.

Claims

1. The domestic sewage treatment device is characterized by comprising a box body (2), a regulating tank (3), an aeration tank (4), a sedimentation tank (5) and a filtering area (1), wherein sewage flows through the regulating tank (3), the aeration tank (4), the sedimentation tank (5) and the filtering area (1) in the box body (2) in sequence, and the sewage is purified by flowing through the filtering area (1) in an overflow mode after being subjected to pH value regulation, aeration and sedimentation.

2. The domestic sewage treatment device according to claim 1, wherein said filtering area (1) comprises a plurality of groups of filtering bins (11) arranged side by side and connected in sequence, the bottom of said filtering bins (11) is provided with a water inlet (111), and the top of said filtering bins (11) is provided with a water outlet (112).

3. The domestic sewage treatment device according to claim 2, wherein a plurality of layers of filtering materials (110) are arranged in said filtering bin (11).

4. A domestic sewage treatment apparatus according to claim 2, wherein said filtering section (1) further comprises a plurality of sets of intermediate transfer silos (12) at the rear side of said filtering silos (11).

5. The domestic sewage treatment apparatus according to claim 1, wherein said adjusting tank (3), said aeration tank (4) and said sedimentation tank (5) are respectively provided with an opening a (31), an opening b (41) and an opening c (51), and said opening a (31), said opening b (41) and said opening c (51) are located outside said tank body (2).

6. A domestic sewage treatment apparatus according to claim 1, wherein the front side of said conditioning tank (3) is provided with a grid well (6) communicating with the conditioning tank (3), the grid well (6) being located outside said tank (2).

7. The domestic sewage treatment device according to claim 1, wherein an aeration disc (42) is arranged at the bottom of the aeration tank (4), a filler (43) is arranged above the aeration disc (42), and a conveying pipe (44) which is communicated with the adjusting tank (3) and conveys sewage to the lower part of the filler (43) is arranged in the filler (43).

8. The domestic sewage treatment apparatus according to claim 1, wherein said sedimentation tank (5) is provided with a plurality of sets of inclined pipe assemblies (52).