CN210215073U

CN210215073U - Sewage treatment system

Info

Publication number: CN210215073U
Application number: CN201920584138.9U
Authority: CN
Inventors: Xingshun Shen; 沈兴顺
Original assignee: Malipo Xingshun Urban Environmental Management Service Co Ltd
Current assignee: Malipo Xingshun Urban Environmental Management Service Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-03-31
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a sewage treatment system, which comprises an impurity removal sedimentation tank, an anaerobic tank, a facultative tank, an aerobic tank and a purification tank, wherein a water outlet of the impurity removal sedimentation tank is connected with the anaerobic tank through a water inlet pipeline; the anaerobic tank is connected with the facultative tank through a water pipe; a water permeable partition plate is arranged between the facultative tank and the aerobic tank; the permeable partition is provided with a plurality of permeable holes; the aerobic tank is connected with the purification tank through a drainage pipeline; the purification tank is provided with a purification drainage pipeline. The utility model discloses an impurity removal sedimentation tank; the floating materials and the silt of the sewage are removed in advance, and then the sewage is treated by multi-stage purification of an anaerobic tank, a facultative tank, an aerobic tank and a purification tank, so that the sewage treatment is more thorough, and the equipment maintenance is simple; avoiding repeated pollution and repeated treatment.

Description

Sewage treatment system

Technical Field

The utility model relates to a sewage treatment device, in particular to a sewage treatment system.

Background

The sewage generated in the human life process is one of the main pollution sources of water, and along with the rapid development of economy, the pollution of rivers, lakes and rivers is gradually intensified. The sewage is mainly from the wastewater discharged by factories and the domestic sewage of nearby residents, the daily domestic sewage amount discharged by each person in a city is 150L-400L, the amount is closely related to the living standard, the domestic sewage contains a large amount of organic matters, most cities are provided with sewage treatment points at present to treat the domestic sewage and then discharge the treated domestic sewage to the outside so as to protect the ecological environment, but most sewage treatment modes adopt a chemical method at present, so that secondary pollution is easy to generate, in the process of treating the domestic sewage, a large amount of solid impurities can be generated due to precipitation, chemical reaction and other reasons, the solid impurities can be precipitated, so that a large amount of sludge is generated, the sludge contains a large amount of organic matters and nitrogen, phosphorus and potassium elements, the COD value is high and can not reach the national discharge standard far, in addition, most of the dispersed domestic sewage treatment in China at present adopts a single biological treatment process or a single ecological treatment process, both of these methods do not completely remove the harmful substances in water.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can effective treatment sewage for sewage after the processing can recycle, reduces sewage discharge's sewage treatment system.

In order to solve the technical problem, the utility model discloses a technical scheme does: a sewage treatment system comprises an impurity removal sedimentation tank, an anaerobic tank, a facultative tank, an aerobic tank and a purification tank, wherein a sludge settling slope and a sludge settling tank are arranged at the bottom of the impurity removal sedimentation tank; a water outlet is formed in the top of the mud sedimentation slope, and a filter screen is arranged at the water inlet end of the water outlet; an impurity removal filter screen is obliquely arranged in the impurity removal sedimentation tank; the lowest end of the impurity removal filter screen is a slag discharge port; the slag discharging port is provided with a baffle, one end of the baffle is connected with the wall of the impurity removal sedimentation tank through a hinge, and the other end of the baffle is fixed on the wall of the impurity removal sedimentation tank through a locking fastener; the water outlet is connected with the anaerobic tank through a water inlet pipeline; the anaerobic tank is connected with the facultative tank through a water pipe; a water permeable partition is arranged between the facultative tank and the aerobic tank, and a plurality of water permeable holes are formed in the water permeable partition; the aerobic tank is connected with the purification tank through a drainage pipeline; the purification tank is provided with a purification drainage pipeline.

Preferably, a plurality of water distribution pipes communicated with the water inlet pipeline and biological fillers are arranged in the anaerobic tank.

Preferably, a sludge pump is arranged in the sludge settling tank and is connected with a sludge discharge pipeline.

Preferably, a suspension carrier is arranged in the facultative tank, and anaerobic bacteria and facultative bacteria grow in the suspension carrier.

Preferably, stagger in the purification tank and be equipped with the baffling baffle and turn back the passageway, wherein the baffling baffle with the purification tank inner wall staggers the setting, from supreme packing in proper order has pottery granule layer, activated carbon layer and vegetable layer down in the passageway of turning back.

The utility model has the advantages that:

1. the impurity removal sedimentation tank of the utility model is internally provided with an impurity removal filter screen and a sludge deposition slope which can filter small suspended matters, floating matters and large-particle sediments in sewage; the silt can be precipitated, so that the separation and collection of floaters, suspended matters and precipitates in the sewage are finally realized, the subsequent sewage treatment procedures are reduced, and the equipment treatment faults are reduced; 2. through the treatment of the multi-stage units of the anaerobic tank, the facultative tank and the aerobic tank, the diversity of a micro-ecosystem and a biological community in the system is ensured, and the sewage treatment efficiency of the device is improved through the synergistic effect of various microorganisms; 3. finally, nitrogen compounds, phosphorus compounds and heavy metals are absorbed through the absorption of plant roots in the purification tank, so that the effluent reaches the discharge standard; and the whole treatment system utilizes the natural water pressure difference to achieve the effect of reducing cost and saving consumption.

Drawings

FIG. 1 is a schematic structural view of a sewage treatment system of the present invention;

FIG. 2 is a schematic structural view of a purification tank of the sewage treatment system of the present invention;

fig. 3 is a sectional view a-a of fig. 2.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 3, the sewage treatment system of the present invention comprises an impurity removal sedimentation tank 1, an anaerobic tank 2, a facultative tank 3, an aerobic tank 4 and a purification tank 5, specifically, the bottom of the impurity removal sedimentation tank 1 is provided with a sludge settling slope 11 and a sludge settling tank 12; a water outlet 13 is arranged at the top of the mud sedimentation slope 11, and a filter screen 14 is arranged at the water inlet end of the water outlet 13; an impurity removal filter screen 15 is obliquely arranged in the impurity removal sedimentation tank 1; the lowest end of the impurity removal filter screen 15 is a slag discharge port 16; the slag discharge port 16 is provided with a baffle 17, one end of the baffle 17 is connected with the wall of the impurity removal sedimentation tank 1 through a hinge 18, the other end of the baffle 17 is fixed on the wall of the impurity removal sedimentation tank 1 through a locking piece, and the locking piece aims to lock the baffle and can be selected from the existing equipment at will; the water outlet 13 is connected with the anaerobic tank 2 through a water inlet pipeline 6; the anaerobic tank 2 is connected with the facultative tank 3 through a water pipe 7; a water permeable partition plate 8 is arranged between the facultative tank 3 and the aerobic tank 4, and a plurality of water permeable holes 81 are arranged on the water permeable partition plate 8; the aerobic tank 4 is connected with the purification tank 5 through a drainage pipeline 9; the purification tank 5 is provided with a purification drainage pipe 50. As shown in fig. 2 and 3, the utility model discloses a stagger in the purification tank 5 and be equipped with baffling baffle 51 and the passageway 52 that turns back, wherein baffling baffle 51 and the setting of staggering of 5 inner walls of purification tank, turn back in the passageway 52 from supreme packing in proper order down have ceramic layer 521, activated carbon layer 522 and vegetable layer 523. The absorption of the plant root system in the purification tank 5 absorbs nitrogen compounds, phosphorus compounds and heavy metals, so that the effluent reaches the discharge standard.

In addition, a plurality of water distribution pipes 21 communicated with the water inlet pipeline 6 and biological fillers 22 are arranged in the anaerobic tank 2; therefore, the sludge is not easy to settle, and anaerobic microorganism strains take biological fillers as carriers to increase the volume load and improve the whole treatment load; a suspension carrier 31 is arranged in the facultative tank 3, and anaerobic bacteria and facultative bacteria grow in the suspension carrier; the biomass and the biological species in the facultative tank are improved, thereby improving the treatment efficiency of the facultative tank.

In order to discharge the sludge in the sludge settling tank 12, a sludge pump 121 is arranged in the sludge settling tank 12, and the sludge pump 121 is connected with a sludge discharge pipeline.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A sewage treatment system comprises an impurity removal sedimentation tank (1), an anaerobic tank (2), a facultative tank (3), an aerobic tank (4) and a purification tank (5), and is characterized in that a sludge settling slope (11) and a sludge settling tank (12) are arranged at the bottom of the impurity removal sedimentation tank (1); a water outlet (13) is formed in the top of the mud sedimentation slope (11), and a filter screen (14) is arranged at the water inlet end of the water outlet (13); an impurity removal filter screen (15) is obliquely arranged in the impurity removal sedimentation tank (1); the lowest end of the impurity removal filter screen (15) is provided with a slag discharge port (16); a baffle (17) is arranged at the slag discharge port (16), one end of the baffle (17) is connected with the wall of the impurity removal sedimentation tank (1) through a hinge (18), and the other end of the baffle is fixed on the wall of the impurity removal sedimentation tank (1) through a locking piece; the water outlet (13) is connected with the anaerobic tank (2) through a water inlet pipeline (6); the anaerobic tank (2) is connected with the facultative tank (3) through a water pipe (7); a water permeable partition plate (8) is arranged between the facultative tank (3) and the aerobic tank (4), and a plurality of water permeable holes (81) are arranged on the water permeable partition plate (8); the aerobic tank (4) is connected with the purification tank (5) through a drainage pipeline (9); the purification tank (5) is provided with a purification drainage pipeline (50).

2. The wastewater treatment system according to claim 1, wherein a plurality of water distribution pipes (21) communicated with the water inlet pipe (6) and biological filler (22) are arranged in the anaerobic tank (2).

3. The sewage treatment system according to claim 1, wherein a sludge pump (121) is arranged in the sludge settling tank (12), and the sludge pump (121) is connected with a sludge discharge pipeline.

4. The wastewater treatment system according to claim 1, wherein a suspension carrier (31) is provided in the facultative tank (3), and anaerobic bacteria and facultative bacteria grow in the suspension carrier.

5. The sewage treatment system according to claim 1, wherein a deflection baffle plate (51) and a return channel (52) are arranged in the purification tank (5) in a staggered manner, wherein the deflection baffle plate (51) is arranged in a staggered manner with respect to the inner wall of the purification tank (5), and a ceramic particle layer (521), an activated carbon layer (522) and a vegetable layer (523) are sequentially filled in the return channel (52) from bottom to top.