CN215161967U - MABR water treatment process equipment - Google Patents

Abstract

The utility model discloses an MABR water treatment process device, which relates to the technical field of water treatment devices and comprises a pretreatment tank, wherein one side of the pretreatment tank is respectively provided with a reaction tank and an MABR reaction tank, a filler frame is arranged at the middle position of the pretreatment tank, the top of the filler frame is provided with an upper inlet, the bottom of the pretreatment tank is provided with an aeration pipe, a riser A is arranged between the pretreatment tank and the reaction tank, one end of the lifting pipe A is positioned at the bottom of the upper layer inlet, the other end of the lifting pipe A extends into the reaction tank, the nitrification and denitrification reactions can be simultaneously carried out in the same reactor, the problem of land occupation of a plurality of traditional reaction tanks is eliminated, thereby reduce area, MABR reaction tank can carry out membrane permeation simultaneously and handle, has replaced original two heavy ponds with some of MABR reaction tank simultaneously, and its solid-liquid separation effect will be better than two heavy ponds far away, and goes out that water quality of water is better more stable.

Description

MABR water treatment process equipment

Technical Field

The utility model relates to a water treatment facilities technical field specifically says to an MABR water treatment process equipment.

Background

With the increasing serious problem of water pollution, the national discharge standard of sewage treatment plants is gradually improved, and the discharge standard of the existing urban sewage treatment plants is upgraded from the primary B standard or A standard in the original discharge standard of pollutants for urban sewage treatment plants GB18918-2002 to the primary A standard or local standard or the V-type standard or even higher standard in the quality standard of surface water environment (GB 3838-2002). The general problem in the upgrading and modifying process of the sewage treatment plant is that the total nitrogen and the total phosphorus are difficult to reach the standard, the conventional denitrification and dephosphorization process of the sewage treatment plant is difficult to meet the current water quality requirement, and the space for upgrading and modifying the conventional sewage treatment plant is insufficient.

The existing water treatment equipment is often provided with more integrated reaction tanks, not only occupies large space, but also has lower water purification efficiency, and simultaneously, the MABR technology and the activated sludge are combined and coexist in one tank body, so that the control conditions are mutually restricted, and the maximum effect of the MABR technology cannot be exerted.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned not enough, the utility model provides an MABR water treatment process equipment here can nitrify denitrification reaction simultaneously in same reactor, abandons the problem of the occupation of land of a plurality of reaction ponds of tradition to reduce area, MABR reaction pond can high-efficiently carry out membrane permeation treatment simultaneously, has replaced original two heavy ponds with some of MABR reaction pond simultaneously, and its solid-liquid separation effect will be better than two heavy ponds far away, and goes out water quality of water better more stable.

The utility model discloses a realize like this, construct an MABR water treatment process equipment, including preliminary treatment pond, reaction tank and MABR reaction tank are installed respectively to one side in preliminary treatment pond, and the intermediate position in preliminary treatment pond is equipped with the filler frame, and the top of filler frame is formed with the upper import, and the aeration pipe is installed to the bottom in preliminary treatment pond, installs riser A between preliminary treatment pond and the reaction tank, and riser A's one end is located the bottom position of upper import, and riser A's the other end extends to in the reaction tank.

Furthermore, a partition board which is longitudinally installed is arranged in the middle of the reaction tank, the reaction tank is divided into an aerobic tank and an anaerobic tank by the partition board, the tops of the aerobic tank and the anaerobic tank are respectively provided with an adding port, the bottom of the aerobic tank is also provided with an aerator pipe, and the anaerobic tank is internally provided with a lifting pipe B.

Further, install the MBR membrane module in the MABR reaction tank, and the MBR membrane module separates the MABR reaction tank for the separation tank and the pond of stewing, and the booster pump is installed at the top of separation tank, and the one side in pond of stewing is equipped with the delivery port, and the bottom of the pool of separation tank is installed and is taken out the dredge pump, and takes out the export of dredge pump and extend to outside the separation tank.

Furthermore, the filler frame comprises overlap joint frame, wire rope and filler, and wire rope is equidistance fixed connection in overlap joint frame bottom, and the filler runs through to peg graft on wire rope.

Furthermore, the MBR membrane module is composed of a mounting frame, a first treatment membrane and a second treatment membrane, and the first treatment membrane and the second treatment membrane are mounted in the mounting frame in parallel.

Compared with the prior art, the beneficial effects of the utility model embody:

the method has the advantages that: the reaction tank is formed by mixing an aerobic tank and an anaerobic tank, wherein the anaerobic tank is mainly used for hydrolyzing, acidifying and methanizing organic matters under the action of anaerobic bacteria to remove the organic matters in the wastewater, so that the subsequent aerobic treatment is facilitated, the aerobic tank is mainly used for removing ammonia, the aerobic tank is used as an aerobic environment and is mainly used for carrying out nitration reaction and deamination; the anaerobic tank is used as an anaerobic environment, mainly carries out denitrification reaction and denitrogenation, the aerobic tank and the anaerobic tank are connected through a pipeline and are transmitted through a lifting pump, so that the simultaneous nitrification and denitrification reaction can be carried out in the same reactor, the problem of land occupation of a plurality of traditional reaction tanks is eliminated, and the occupied area is reduced.

The method has the advantages that: MBR membrane module divide into and carries out osmotic treatment with MABR reaction tank, and carry out air boost through the booster pump in to the separation tank, the gas tightness of separation tank is better, thereby make the water in the separation tank can be more quick pierce through the MBR membrane module, open the mud pump and take away the mud of separation tank bottom after water treatment finishes in the separation tank, the water after finishing processing then stews through the pond of stewing, discharge through the delivery port at last, its solid-liquid separation effect will be better than two heavy ponds far away, the sludge treatment expense has also been saved to a certain extent, and simultaneously, replace original two heavy ponds with MBR, its solid-liquid separation effect will be better than two heavy ponds far away.

The method has the advantages that: the filler frame mainly used packs, the filler is fixed on wire rope through the mode of interlude, what the filler adopted simultaneously is composite packing, it is big that the combined packing has specific surface area, the void fraction is big, hydraulic resistance is little, intensity is big, chemistry and biostability are good, characteristics such as durable, not only can adsorb large-scale impurity, and can let the microorganism adhere to and grow on packing, make each bacterial crowd distribute at its surface or inside, the microorganism adheres to and grows in the filler, and the filler frame is the overlap joint on pretreatment tank lateral wall, be convenient for follow-up change, thereby water purification efficiency has been improved greatly.

Drawings

FIG. 1 is a schematic view of the MABR water treatment process equipment of the present invention;

FIG. 2 is a schematic structural diagram of an MBR membrane module of the present invention;

FIG. 3 is a schematic structural view of the packing frame of the present invention;

the figure illustrates the format: the pretreatment tank 1, an upper inlet 11, a filler frame 12, an overlapping frame 121, a steel wire rope 122, a filler 123, an aeration pipe 13, a riser A14, a reaction tank 2, an aerobic tank 21, an anaerobic tank 22, a partition plate 23, an addition port 24, a riser B25, an MABR reaction tank 3, a separation tank 31, an MBR membrane module 32, an installation frame 321, a first treatment membrane 322, a second treatment membrane 323, a standing tank 33, a mud pump 34, a booster pump 35 and a water outlet 36.

Detailed Description

The present invention will be described in detail below with reference to the attached drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention; furthermore, the terms "first," "second," "third," "upper, lower, left, right," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific cases, and unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs.

The utility model discloses technical scheme is further elaborated in the following combination description attached figure 1-3 and specific embodiment, the MABR water treatment process equipment that this application embodiment provided, including preliminary treatment pond 1, reaction tank 2 and MABR reaction tank 3 are installed respectively to one side of preliminary treatment pond 1, and the intermediate position of preliminary treatment pond 1 is equipped with filler frame 12, and the top of filler frame 12 is formed with upper import 11, and aeration pipe 13 is installed to the bottom of preliminary treatment pond 1, installs riser A14 between preliminary treatment pond 1 and the reaction tank 2, and the one end of riser A14 is located the bottom position of upper import 11, and the other end of riser A14 extends to in the reaction tank 2.

The utility model discloses in, the intermediate position in the reaction tank 2 is equipped with the baffle 23 of vertical installation, and the baffle 23 separates the reaction tank 2 for good oxygen pond 21 and anaerobism pond 22, and good oxygen pond 21 and anaerobism pond 22's top all is equipped with adds a mouthful 24, and aeration pipe 13 is also installed to good oxygen pond 21's bottom of the pool, installs riser B25 in the anaerobism pond 22.

The aerobic tank 21 and the anaerobic tank 22 are mixed through the arranged reaction tank 2, the anaerobic tank 22 mainly utilizes the action of anaerobic bacteria to hydrolyze, acidify and methanize organic matters to remove the organic matters in the wastewater, thereby being beneficial to the subsequent aerobic treatment, the aerobic tank 21 mainly removes ammonia, and the aerobic tank 21 is used as an aerobic environment and mainly performs nitration reaction and deamination; the anaerobic tank 22 is used as an anaerobic environment and mainly performs denitrification reaction and denitrogenation, and it is noted that a certain amount of filler 123 is also arranged in the aerobic tank 21, the aerobic tank 21 and the anaerobic tank 22 are connected through a pipeline and are transmitted through a lift pump, so that nitrification and denitrification reaction can be performed in the same reactor at the same time, the problem of land occupation of a plurality of traditional reaction tanks is eliminated, and the occupied area is reduced.

An MBR membrane module 32 is installed in the MABR reaction tank 3, the MBR membrane module 32 divides the MABR reaction tank 3 into a separation tank 31 and a standing tank 33, a booster pump 35 is installed at the top of the separation tank 31, a water outlet 36 is arranged on one side of the standing tank 33, a sludge pump 34 is installed at the bottom of the separation tank 31, and the outlet of the sludge pump 34 extends out of the separation tank 31.

The MBR membrane module 32 that is divided into through the setting carries out osmotic treatment with MABR reaction tank 3, and carry out air boost through booster pump 35 in to the separation tank 31, the gas tightness of separation tank 31 is better, thereby make the hydroenergy in the separation tank 31 pierce through MBR membrane module 32 more fast, open the mud pump 34 and take away the mud of separation tank 31 bottom after the water treatment finishes in the separation tank 31, the water after finishing processing then stews through the pond 33 that stews, discharge through delivery port 36 at last, its solid-liquid separation effect will be better than two heavy ponds far away, sludge treatment expense has also been saved to a certain extent.

The filler frame 12 is composed of a lap joint frame 121, a steel wire rope 122 and a filler 123, wherein the steel wire rope 122 is fixedly connected to the bottom of the lap joint frame 121 at equal intervals, and the filler 123 is inserted into the steel wire rope 122 in a penetrating manner.

Filling of filler frame 12 mainly used filler 123 through setting up, filler 123 is fixed on wire rope 122 through the mode of interlude, filler 123 adopts simultaneously is composite packing, it is big that the combined packing has specific surface area, the void fraction is big, hydraulic resistance is little, intensity is big, chemistry and biostability are good, characteristics such as durable, not only can adsorb large-scale impurity, and can let the microorganism adhere to and grow on filler 123, make each bacterial crowd distribute on its surface or inside, the microorganism adheres to and grows in filler 123, and filler frame 12 is the overlap joint on pretreatment tank 1 lateral wall, be convenient for follow-up change, thereby water purification efficiency has been improved greatly.

The MBR membrane module 32 includes a mounting frame 321, a first treatment membrane 322, and a second treatment membrane 323, and the first treatment membrane 322 and the second treatment membrane 323 are mounted in parallel in the mounting frame 321.

The inner/outer diameters (mm) of the first and second processed films 322 and 323 set are 0.8/1.4 and 0.6/1.2, respectively; the flux (L/hr) range is 250-500, and the filter membrane materials of the two are PVDF hollow fiber membranes, so that the device has the advantages of high purified water flow, easy cleaning, long service life and the like, the quality of produced water is stable, the energy consumption is low, the sewage is subjected to membrane permeation through the working pressure generated by the booster pump 35, the removal rate of suspended matters by the MBR membrane module 32 is more than 99%, the removal rate of turbidity is also more than 90%, and the turbidity of the effluent is similar to that of tap water.

The working principle is as follows: firstly with the water suction upper import 11 of outside primary sedimentation pond and carry out edulcoration and interception microorganism through filler frame 12, the aeration pipe 13 of pretreatment pond 1 bottom starts simultaneously, turns over pond water, accelerates the treatment effeciency of filler 123, adds the reaction medicine in aerobic tank 21 and the anaerobism pond 22 respectively through adding mouth 24 afterwards, anaerobism pond 22 makes the anaerobic degradation process of polymer organic matter can be divided into four stages through the drug action: hydrolysis stage, fermentation (or acidification) stage, acetogenesis stage and methanogenesis stage: in the hydrolysis stage, the high molecular weight organic substance cannot permeate cell membranes due to its large relative molecular weight, and therefore cannot be directly utilized by bacteria. They are broken down into small molecules by bacterial extracellular enzymes in a first stage; fermentation is defined as a biodegradation process in which organic compounds act as both electron acceptors and electron donors, during which soluble organics are converted to volatile fatty acid-based end products, and hence the process is also referred to as acidification, during which the small molecule compounds fermenting bacteria, i.e., the acidifying bacteria, are converted intracellularly to simpler compounds and excreted extracellularly; in the acetogenic stage, under the action of hydrogen-producing acetogenic bacteria, the product in the last stage is further converted into acetic acid, hydrogen, carbonic acid and new cell substances; in the last methane stage, acetic acid, hydrogen, carbonic acid, formic acid and methanol are converted into methane, carbon dioxide and new cell substances, so that organic matters are effectively removed, the aerobic tank 21 is a treatment device which utilizes aerobic microorganisms in the sewage to digest and degrade the organic matters in the sewage in the presence of free oxygen so as to stabilize and make the organic matters harmless, oxygen required by the microorganisms in the aerobic tank 21 is usually supplied by an aeration pipe 13, after the biological membranes grow to a certain thickness, the microorganisms close to the filler wall carry out anaerobic metabolism due to oxygen deficiency, the generated gas and the flushing action formed by aeration cause part of the biological membranes to fall off, the growth of the new biological membranes is promoted, the biological metabolism is formed, the fallen biological membranes enter a subsequent MABR reaction tank 3 along with effluent water for treatment, the air pressurization is carried out in the separation tank 31 through a booster pump 35, the air tightness of the separation tank 31 is better, therefore, water in the separation tank 31 can penetrate the MBR membrane module 32 more quickly, when the water in the separation tank 31 is treated, the sludge pump 34 is started to pump away sludge at the bottom of the separation tank 31, and the treated water is stood through the standing tank 33 and finally discharged through the water outlet 36.

In conclusion; MABR water treatment process equipment can nitrify denitrification reaction simultaneously in same reactor, abandons the problem of the occupation of land of a plurality of reaction ponds of tradition to reduce area, MABR reaction pond can high-efficiently carry out membrane permeation treatment simultaneously, has replaced original two heavy ponds with some of MABR reaction pond simultaneously, and its solid-liquid separation effect will be better than two heavy ponds far away, and goes out better more stable of water quality of water.

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, and it is to be understood that various changes and modifications may be made by one of ordinary skill in the art without departing from the spirit and scope of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (4)

1. An MABR water treatment process equipment, includes preliminary treatment pond (1), its characterized in that: reaction tank (2) and MABR reaction tank (3) are installed respectively to one side of preliminary treatment pond (1), the intermediate position of preliminary treatment pond (1) is equipped with filler frame (12), the top of filler frame (12) is formed with upper import (11), aeration pipe (13) are installed to the bottom of preliminary treatment pond (1), install riser A (14) between preliminary treatment pond (1) and reaction tank (2), just the one end of riser A (14) is located the bottom position of upper import (11), the other end of riser A (14) extends to in reaction tank (2).

2. The MABR water treatment process unit of claim 1, wherein: the middle position in reaction tank (2) is equipped with baffle (23) of vertical installation, and baffle (23) separate reaction tank (2) for aerobic pond (21) and anaerobism pond (22), the top in aerobic pond (21) and anaerobism pond (22) all is equipped with adds mouth (24), aeration pipe (13) are also installed to the bottom of the pool in aerobic pond (21), install riser B (25) in anaerobism pond (22).

3. The MABR water treatment process unit of claim 1, wherein: install MBR membrane module (32) in MABR reaction tank (3), and MBR membrane module (32) separate MABR reaction tank (3) for separating tank (31) and pond (33) of stewing, booster pump (35) are installed at the top of separating tank (31), one side in pond (33) of stewing is equipped with delivery port (36), mud pump (34) are installed to the bottom of the pool of separating tank (31), and the export of mud pump (34) extends to outside separating tank (31).

4. The MABR water treatment process unit of claim 1, wherein: the packing frame (12) is composed of an overlapping frame (121), a steel wire rope (122) and a packing (123), the steel wire rope (122) is fixedly connected to the bottom of the overlapping frame (121) in an equidistant mode, and the packing (123) penetrates through the steel wire rope (122) in an inserting mode.

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