CN218620499U

CN218620499U - Multi-mode nitrogen and phosphorus removal integrated sewage treatment reactor

Info

Publication number: CN218620499U
Application number: CN202223264124.XU
Authority: CN
Inventors: 徐誉杨; 赵英武; 王小丽; 王信; 张耀家; 杨俊�; 钟俊权; 赵福详
Original assignee: Shanghai Hongwei Environmental Technology Co ltd
Current assignee: Shanghai Hongwei Environmental Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-03-14
Anticipated expiration: 2032-12-07

Abstract

The utility model relates to a multi-mode nitrogen and phosphorus removal integration sewage treatment reactor belongs to waste water treatment technical field, a multi-mode nitrogen and phosphorus removal integration sewage treatment reactor, including facultative tank, anaerobism groove, facultative microporous aerator, anaerobism microporous aerator, MBR groove, hollow fiber membrane, self priming pump suction tube and sludge circulating pump, facultative tank bottom is equipped with facultative microporous aerator, anaerobism tank bottom is equipped with anaerobism microporous aerator, anaerobism groove and MBR groove intercommunication, MBR tank bottom is equipped with MBR microporous aerator, the MBR inslot is equipped with the self priming pump suction tube, the MBR inslot still is equipped with a plurality of hollow fiber membranes, the MBR groove passes through the pipeline intercommunication with facultative tank, be equipped with sludge circulating pump on the pipeline between MBR groove and the facultative tank. The utility model discloses sewage treatment system operation is stable high-efficient to solve the defect of single SBR technology.

Description

Multi-mode nitrogen and phosphorus removal integrated sewage treatment reactor

Technical Field

The utility model relates to a waste water treatment technical field, more specifically say so and relate to a multi-mode nitrogen and phosphorus removal integration sewage treatment reactor.

Background

The traditional SBR process for treating sewage has the core treatment equipment of a sequencing batch reactor, a plurality of treatment structures are omitted, all reactors operate in one SBR reactor, and the SBR reactor achieves the operation purpose of each stage through time control. The whole operation period consists of 5 basic working procedures of water inlet, reaction, sedimentation, water outlet and idling, and the basic working procedures are carried out in turn in a reactor with aeration or stirring.

The sewage treatment by the traditional SBR process has the following defects: 1. the requirement on automatic control is high; 2. the drainage time is short (intermittent drainage), and the precipitated sludge layer is not required to be stirred during drainage, so that special drainage equipment (a decanter) is required and the requirement on the decanter is high; 3. the requirements of post-treatment equipment are large: if the disinfection equipment is large, the contact tank has large volume, and the drainage facilities such as drainage pipelines are also large; 4. the decanting depth is generally 1-2 m, the loss of the water head is wasted, and the total lift is increased; 5. because a primary sedimentation tank is not arranged, scum is easy to generate, and the problem of scum is not properly solved.

Therefore, the technical personnel in the field need to solve the problem of providing the multi-mode denitrification and dephosphorization integrated sewage treatment reactor which can improve the operation efficiency and save the operation cost urgently.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a multi-mode denitrification and dephosphorization integrated sewage treatment reactor which can improve the operation efficiency and save the operation cost.

In order to achieve the above object, the present invention provides the following technical solutions, which mainly include:

the utility model provides a multi-mode nitrogen and phosphorus removal integration sewage treatment reactor, including facultative tank, anaerobism groove, facultative microporous aerator, anaerobism microporous aerator, MBR groove, hollow fiber membrane, self priming pump suction tube and sludge circulating pump, facultative tank bottom is equipped with facultative microporous aerator, anaerobism tank bottom is equipped with anaerobism microporous aerator, anaerobism groove and MBR groove intercommunication, MBR tank bottom is equipped with MBR microporous aerator, the MBR inslot is equipped with the self priming pump suction tube, the MBR inslot still is equipped with a plurality of hollow fiber membranes, the MBR groove passes through the pipeline intercommunication with facultative tank, be equipped with the sludge circulating pump on the pipeline between MBR groove and the facultative tank.

Preferably, a wastewater inlet is formed in one side, far away from the anaerobic tank, of the upper end of the facultative tank.

Preferably, a submersible stirrer is arranged on one side, close to the wastewater inlet, inside the facultative tank.

Preferably, a submersible stirrer is arranged inside the anaerobic tank and close to one side of the facultative tank.

Preferably, one side of the upper part of the MBR tank, which is close to the anaerobic tank, is provided with an MBR tank water inlet.

Preferably, the device further comprises a dissolved oxygen detector, a liquid level meter and a flow meter, wherein the MBR tank is provided with the dissolved oxygen detector and the liquid level meter, and the flow meter is arranged on a pipeline between the MBR tank and the facultative tank.

Preferably, the facultative microporous aerator and the anaerobic microporous aerator are of independent control structures.

According to the technical scheme, compared with the prior art, the utility model discloses directly replace the function of decanting the ware through the MBR membrane, MBR belongs to one kind of membrane separation, and the aperture is between micro-filtration and ultrafiltration, and the membrane module can hold back the activated sludge in the biochemical pond, guarantees high sludge concentration in the biochemical system, improves the efficiency of biochemical system, simultaneously, holds back the organic matter of macromolecule, improves the COD clearance; the MBR membrane assembly is adopted to discharge water, the quality of the discharged water is stable, no floating slag is generated, the precipitation and drainage stages of SBR can be directly omitted, the water is directly discharged after the reaction stage is finished, and the operation and disposal time in the single SBR process is saved; the sewage treatment system operates stably and efficiently, thereby overcoming the defect of single SBR process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

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

Description of the reference numerals: 1-a wastewater inlet; 2-submersible mixer; 3-facultative tank; 4-an anaerobic tank; 5-facultative microporous aerator; 6-anaerobic microporous aerator; 7-MBR microporous aerator; 8-MBR groove; 9-a hollow fiber membrane; 10-self-priming pump suction tube; 11-dissolved oxygen detector; 12-a liquid level meter; 13-sludge circulating pump; 14-MBR tank water inlet; 15-flow meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Examples

The utility model provides a multi-mode nitrogen and phosphorus removal integration sewage treatment reactor, mainly be applied to in the undulant great organic waste water treatment of quality of water, as shown in figure 1, waste water gets into facultative tank 3 from waste water inlet 1, it flows to anaerobism groove 4 to push away through dive mixer 2, after having got rid of partial organic pollutant and the nitrogen phosphorus material in the waste water, waste water flows into MBR groove 8 from MBR groove water inlet 14 after 2 promotion of dive mixer, the tolerance of MBR micropore aerator 7 is adjusted through dissolved oxygen detection instrument 11, last aeration, carry out further organic pollutant and the nitrogen phosphorus material of getting rid of, high concentration activated sludge is blocked in MBR groove 8. Through the control of the liquid level meter 12, the wastewater passes through the self-priming pump suction pipe 10 through the hollow fiber membrane 9, and the treated wastewater can be continuously and stably discharged; the other part of the wastewater is internally refluxed to the facultative anaerobic biochemical system through a sludge circulating pump 13, so that the mud and water in the facultative anaerobic tank are fully mixed, and the degradation effect is improved; the reflux ratio is controlled by observing the flow meter 15; and can be directed against different quality of water conditions of incoming water, through opening and close facultative microporous aerator 5 of facultative tank 3 and anaerobic microporous aerator 6 of anaerobic tank 4, the flexible adjustment control technology, satisfy different quality of water of incoming water, discharge up to standard steadily, facultative tank, anaerobic tank microporous aeration equipment of independent control, can make the better quality of water that adapts to the change of the device, according to different quality of water, the flexible adjustment technology. When the COD concentration of the inflow water is higher, the aim is to remove carbon source pollutants, and the anoxic tank can be changed into the aerobic tank. When the total nitrogen of the incoming water is higher, the original anaerobic tank and the anoxic tank can be used as anoxic tanks, so that the volume of the anoxic tank is increased. When the water contains organic matter with macromolecule difficult to degrade, the original process is kept, namely the anoxic tank, the anaerobic tank and the MBR tank play a role respectively, so that the operation efficiency is improved, and the operation cost is saved.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed in the embodiment corresponds to the method disclosed in the embodiment, so that the description is simple, and the relevant points can be referred to the description of the method part.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a multi-mode nitrogen and phosphorus removal integration sewage treatment reactor, its characterized in that, including facultative tank, anaerobism groove, facultative microporous aerator, anaerobism microporous aerator, MBR groove, hollow fiber membrane, self priming pump suction tube and sludge circulating pump, facultative tank bottom is equipped with facultative microporous aerator, the anaerobism tank bottom is equipped with anaerobism microporous aerator, anaerobism groove and MBR groove intercommunication, MBR tank bottom is equipped with MBR microporous aerator, the MBR inslot is equipped with self priming pump suction tube, the MBR inslot still is equipped with a plurality of hollow fiber membranes, the MBR groove passes through the pipeline intercommunication with the facultative tank, be equipped with the sludge circulating pump on the pipeline between MBR groove and the facultative tank.

2. The multi-mode denitrification and dephosphorization integrated sewage treatment reactor as claimed in claim 1, wherein a wastewater inlet is provided at the upper end of the facultative tank on the side away from the anaerobic tank.

3. The multi-mode denitrification and dephosphorization integrated sewage treatment reactor according to claim 1, wherein a submersible mixer is arranged inside the facultative tank at a side close to the wastewater inlet.

4. The multi-mode denitrification and dephosphorization integrated sewage treatment reactor according to claim 1, wherein a submersible mixer is arranged inside the anaerobic tank and close to one side of the facultative tank.

5. The multi-mode nitrogen and phosphorus removal integrated sewage treatment reactor of claim 1, wherein an MBR tank water inlet is arranged on one side of the upper part of the MBR tank close to the anaerobic tank.

6. The multi-mode nitrogen and phosphorus removal integrated sewage treatment reactor according to any one of claims 1 to 5, further comprising a dissolved oxygen detector, a liquid level meter and a flow meter, wherein the MBR tank is provided with the dissolved oxygen detector and the liquid level meter, and the flow meter is arranged on a pipeline between the MBR tank and the facultative tank.