CN218810845U - Integrated high-efficiency sewage treatment system - Google Patents

Abstract

An integrated high-efficiency sewage treatment system relates to the field of sewage treatment equipment. The anaerobic tank is divided into a primary sedimentation area, an anaerobic area, an aerobic area, a sedimentation area, a sludge area and a filtering area, wherein an ejector is adopted in the anaerobic area to form stirring circulation, the ejector is adopted in the aerobic area to form aeration and provide oxygen for microorganisms, the aerobic area runs under the condition of micro negative pressure, a mud bucket and a water outlet tank are arranged in the sedimentation area, a sludge reflux pump is arranged in the sludge area and communicated with the anaerobic area through a pipeline, a supporting sieve is arranged in the filtering area, a filtering material is filled at the bottom of the supporting sieve, suspended biological filler is arranged in the filtering material, a water outlet pipe is arranged above the supporting sieve in the filtering area, and a sludge discharge pipe is arranged at the bottom in the filtering area. The utility model provides a sewage treatment system has advantages such as the integrated level is high, sewage treatment can the reinforce, the sewage after handling can directly discharge.

Description

Integrated high-efficiency sewage treatment system

Technical Field

The utility model relates to a sewage treatment device field specifically is an integrated high-efficient sewage treatment system.

Background

At present, a sewage treatment system generally adopts an anaerobic-anoxic-aerobic-sedimentation process, an anaerobic reaction adopts a mechanical stirring mode, and anoxic, aerobic and sedimentation links are completely separated, so that the three links are not beneficial to the growth of microorganisms and the improvement of sludge concentration, and the effluent water still needs independent three-stage filtration to ensure the water quality of the effluent water. The Chinese invention patent (publication number: CN 114890627A) provides a sewage treatment device, which adopts an integrated design, but does not fully utilize sludge in the sewage treatment device to realize more optimal sewage treatment effect, a rotating device is used for stirring an anoxic zone, the disturbance to the growth environment of microorganisms is large, in addition, the filtration of effluent water from a settling zone is not adopted, and the impurities remained in the effluent water from the settling zone and the effluent water can be discharged together to pollute the downstream water quality.

SUMMERY OF THE UTILITY MODEL

To solve the problems existing above, the utility model aims to provide an integrated high-efficiency sewage treatment system, which adopts the process of 'anaerobic-aerobic-multifunctional precipitation-suspended matter filtration' to realize biological nitrogen and phosphorus removal and has the advantages of high integration level, strong sewage treatment capability, direct discharge of the treated sewage and the like.

The technical scheme for realizing the purpose is as follows: comprises a box body, the box body is divided into a primary sedimentation area, an anaerobic area, an aerobic area, a sedimentation area, a sludge area and a filtering area by a first clapboard, a water inlet pipe is connected on the side wall of the primary sedimentation area, a water through hole is arranged at the upper part of the first clapboard, a first circulating pump and a first ejector are arranged in the anaerobic area, the first circulating pump and the first ejector are connected together by a first pipeline, a first suction pipe is connected at the air suction end of the first ejector, an opening is arranged at the bottom of the second clapboard, a second circulating pump and a second ejector are arranged in the aerobic area, the second circulating pump and the second ejector are connected together by a second pipeline, a second suction pipe is connected at the air suction end of the second ejector, the end part of the other end of the second suction pipe is connected with an air valve, the top of the aerobic zone is provided with a manhole, the bottom of a sedimentation zone divided by a third partition plate and a fourth partition plate is provided with a gap, the gap is communicated with the aerobic zone, the sedimentation zone is internally provided with a mud bucket and a water outlet groove, the mud bucket is communicated with the sludge zone through a third pipeline, the water outlet groove is communicated with the filtering zone through a fourth pipeline, the fourth pipeline is communicated with the bottom of the filtering zone, the sludge return pump is arranged in the sludge zone and is communicated with the anaerobic zone through a fifth pipeline, the filtering zone is internally provided with a supporting sieve, the bottom of the supporting sieve is filled with filter materials, a water outlet pipe is arranged above the supporting sieve in the filtering zone, the outlet water of the filtering zone is discharged through the water outlet pipe after being filtered by the filter materials and the supporting sieve, and the bottom in the filtering zone is provided with a sludge discharge pipe.

Furthermore, the water inlet pipe is connected to the side wall of the primary sedimentation area in a welding mode.

Further, the bottom of the settling zone divided by the third partition plate and the fourth partition plate is of a funnel-shaped structure.

Furthermore, the aerobic zone operates under micro negative pressure.

Furthermore, the end part of the fourth pipeline extends into the filtering area, the port faces upwards, and a baffle is arranged above the port.

Furthermore, suspended biological fillers are arranged in the filter material.

The utility model has the advantages that:

the utility model provides a pair of integrated high-efficient sewage treatment system, adopt efflux mixing system in anaerobic zone, not only stir evenly, can also make anaerobe and sewage fully contact, thereby can improve anaerobic zone treatment effeciency effectively, adopt efflux aeration micro negative pressure operation in aerobic zone, can avoid the air to leak and cause air pollution, adopt multi-functional configuration in the settling zone, the play water flows into the filtering area through the basin, the mud district is discharged to the mud of sediment, form fixed sludge blanket in the mud district, the sludge blanket is the oxygen deficiency environment, can not only play the function of filtration and denitrification simultaneously, can also be guided into the sludge amount in anaerobic zone supplementary anaerobic zone through the mud backwash pump, make the sludge handling capacity in anaerobic zone remain throughout on comparatively optimized level.

The utility model discloses just discharge from the outlet pipe after going out the impurity that probably exists in the play water of settling zone filtration aquatic and further getting rid of remaining organic pollutant through the suspension biofilm carrier in the filter material in the filtering zone, filtration, the scrubbing step before the discharge can ensure the utility model provides a sewage treatment system's drainage quality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The following examples are intended to illustrate the invention in more detail, but are not intended to limit the invention further.

As shown in figure 1, the utility model relates to an integrated high-efficient sewage treatment system, including box 1, box 1 is cut apart into just sinking district 7, anaerobic zone 8, good oxygen district 9, settling zone 10, mud district 11 and filtering area 12 through first baffle 2, second baffle 3, third baffle 4, fourth baffle 5, fifth baffle 6. Be connected with inlet tube 13 on the lateral wall of the district 7 that just sinks, inlet tube 13 is connected on the lateral wall of the district 7 that just sinks through the welded mode, and sewage carries out preliminary sedimentation at the district 7 that just sinks through inlet tube 13, then gets into anaerobic zone 8 via the water hole 14 that crosses that sets up on first baffle 2 upper portion. Be provided with first circulating pump 15 in the anaerobic zone 8, and first ejector 16, first circulating pump 15 links together via first pipeline 17 with first ejector 16, the end of breathing in of first ejector 16 is connected with first straw 18, first circulating pump 15 provides power for first ejector 16, first ejector 16 inhales the gas at 8 tops in anaerobic zone through first straw 18 and sprays away, form the stirring circulation in anaerobic zone 8, make anaerobism and sewage can fully contact, 8 sewage play water in anaerobic zone after the anaerobic treatment flow into aerobic zone 9 via opening 19 that sets up in second baffle 3 bottom. A second circulating pump 20 is arranged in the aerobic zone 9, and a second ejector 21 is arranged in the aerobic zone, the second circulating pump 20 and the second ejector 21 are connected together through a second pipeline 22, the air suction end of the second ejector 21 is connected with a second suction pipe 23, the end part of the other end of the second suction pipe is connected with an air valve 24, the air valve 24 is used for controlling the air inflow of the second ejector 21, the second circulating pump 20 provides power for the second ejector 21, the second ejector 21 sucks and ejects the gas at the top of the aerobic zone 9 through the second suction pipe 23 to form explosion air, and provides oxygen for the microorganisms in the aerobic zone 9, the microorganisms in the aerobic zone 9 carry out aerobic treatment on sewage, a manhole 37 is arranged at the top of the aerobic zone and is used for realizing air exchange between the aerobic zone 9 and the outside and facilitating personnel to enter the inside of the sewage treatment system, in order to avoid air pollution caused by air leakage in the aerobic zone 9, and micro negative pressure operation is adopted in the aerobic zone 9.

The bottom of the sedimentation zone 10 divided by the third partition plate 4 and the fourth partition plate 5 is of a funnel-shaped structure and is provided with a gap 25, the gap 25 is communicated with the aerobic zone 9, the effluent of the aerobic zone 9 flows into the sedimentation zone 10 through the gap 25, a mud bucket 26 and a water outlet groove 27 are arranged in the sedimentation zone 10 to form a multifunctional sedimentation zone, the mud bucket 26 is communicated with the mud zone 11 through a third pipeline 28, the mud in the sewage in the sedimentation zone 10 is precipitated in the mud bucket 26, the mud in the mud bucket flows into the mud zone 11 through the third pipeline 28 under the action of gravity, the water outlet groove 27 is communicated with the filtration zone 12 through a fourth pipeline 29, the fourth pipeline 29 is communicated with the bottom of the filtration zone 12, the water outlet end of the fourth pipeline 29 extends into the filtration zone 12, the port faces upwards, a baffle 30 is arranged above the water outlet end, the baffle 30 is connected to the water outlet end of the fourth pipeline 29 in a welding manner, the effluent of the water outlet groove 27 flows into the filtration zone 12 through the fourth pipeline 29, and the baffle 30 is used for blocking the possible existing mud in the effluent of the filtration zone 12, so that the mud falls under the action of gravity on the bottom of the filtration zone 12.

The sludge flowing into the sludge zone 11 from the hopper 26 of the settling zone 10 forms a fixed sludge bed at the bottom of the sludge zone 11, the sludge bed is in an anoxic environment and has the functions of filtering and denitrifying denitrification, the sludge zone 11 is provided with a sludge return pump 31, the sludge return pump 31 is communicated with the anaerobic zone 8 through a fifth pipeline 32, the sludge deposited on the sludge bed can be guided into the anaerobic zone 8 by the sludge return pump 31 to supplement the sludge amount of the anaerobic zone 8, and the sludge treatment capacity of the anaerobic zone 8 is kept on a more optimal level all the time.

A supporting sieve 33 is arranged in the filtering area 12 divided by the fourth partition plate 5 and the fifth partition plate 6, a filter material 34 is filled at the bottom of the supporting sieve 33, a suspended biological filler is arranged in the filter material 34 to form an upward flow suspended particle biological filter, a water outlet pipe 35 is arranged above the supporting sieve 33 in the filtering area 12, the drainage water flowing into the filtering area 12 is filtered by the filter material 34 and the supporting sieve 33 and then is discharged through the water outlet pipe 35, a sludge discharge pipe 36 is arranged at the bottom in the filtering area, and the sludge deposited at the bottom of the filtering area 12 can be discharged through the sludge discharge pipe 36.

Claims (6)

1. The utility model provides an integrated high-efficient sewage treatment system which characterized in that: comprises a box body, the box body is divided into a primary sedimentation area, an anaerobic area, an aerobic area, a sedimentation area, a sludge area and a filtering area by a first clapboard, a water inlet pipe is connected on the side wall of the primary sedimentation area, a water through hole is arranged at the upper part of the first clapboard, a first circulating pump and a first ejector are arranged in the anaerobic area, the first circulating pump and the first ejector are connected together by a first pipeline, a first suction pipe is connected at the air suction end of the first ejector, an opening is arranged at the bottom of the second clapboard, a second circulating pump and a second ejector are arranged in the aerobic area, the second circulating pump and the second ejector are connected together by a second pipeline, a second suction pipe is connected at the air suction end of the second ejector, the end part of the other end of the second suction pipe is connected with an air valve, the top of the aerobic zone is provided with a manhole, the bottom of a sedimentation zone divided by a third partition plate and a fourth partition plate is provided with a gap, the gap is communicated with the aerobic zone, the sedimentation zone is internally provided with a mud bucket and a water outlet groove, the mud bucket is communicated with the sludge zone through a third pipeline, the water outlet groove is communicated with the filtering zone through a fourth pipeline, the fourth pipeline is communicated with the bottom of the filtering zone, the sludge return pump is arranged in the sludge zone and is communicated with the anaerobic zone through a fifth pipeline, the filtering zone is internally provided with a supporting sieve, the bottom of the supporting sieve is filled with filter materials, a water outlet pipe is arranged above the supporting sieve in the filtering zone, the outlet water of the filtering zone is discharged through the water outlet pipe after being filtered by the filter materials and the supporting sieve, and the bottom in the filtering zone is provided with a sludge discharge pipe.

2. The integrated high efficiency wastewater treatment system according to claim 1, wherein: the water inlet pipe is connected to the side wall of the primary sedimentation area in a welding mode.

3. The integrated high efficiency wastewater treatment system of claim 1, wherein: the bottom of the settling zone divided by the third partition plate and the fourth partition plate is of a funnel-shaped structure.

4. The integrated high efficiency wastewater treatment system of claim 1, wherein: the aerobic zone operates under micro-negative pressure.

5. The integrated high efficiency wastewater treatment system of claim 1, wherein: the end part of the fourth pipeline extends into the filtering area, the port faces upwards, and a baffle is arranged above the port.

6. The integrated high efficiency wastewater treatment system of claim 1, wherein: the filter material is provided with suspended biological filler.

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