CN203754555U - Anaerobic/aerobiotic-membrane filtration industrial wastewater integrated treatment device - Google Patents

Abstract

The utility model relates to a treatment technology combining anaerobic/aerobiotic and membrane filtration, which is suitable for industrial wastewater treatment. An anaerobic/aerobiotic-membrane filtration industrial wastewater integrated treatment device mainly comprises a wastewater acidification tank, a sewage pump, an ABR (anaerobic baffled reactor), an aerobiotic reaction tank, a filter and the like. Four tanks are an upper flow-type anaerobic tank A, a lower flow-type aerobiotic tank B, an upper flow-type anaerobic tank C and a lower flow-type aerobiotic tank D and are formed in different up and down communication manners. Stuffing in the reaction tanks A, B and C is elastic stuffing, two rows of micropore aerating devices are arranged in the middles of the bottoms of the tanks B and C, and water flow in the tanks is in a fluidized state under the driving of air, so that microorganisms, water flow and air flow are in full contact, and thus the degradation of pollutants is realized. The anaerobic/aerobiotic-membrane filtration industrial wastewater integrated treatment device combines the advantages of an immobilized microorganism technology, an ABR technology, an A/O (anaerobic/aerobiotic) technology, an MF (membrane filtration) technology and the like and has the advantages of good treatment effect, no secondary pollution, simple operation, simpleness and convenience in management, low operating cost and the like.

Description

A kind of aerobic/anaerobic-membrane filtration integrated treatment device for industrial waste water

Technical field

The utility model relates to a kind of industrial waste water disposal device, is specifically related to immobilization biological membrane process, ABR technique, A/O technique, MF(membrane filtration) technique such as the technique integrated treatment unit that combines.

Technical background

Along with the fast development of Chinese society economy and the continuous propelling of process of industrialization, the purifying treatment of trade effluent is more and more important in improvement pollution and solution shortage of water resources field institute role.At present, the treatment process using in Industrial Wastewater Treatment field and equipment have a variety of, traditional technique to have the shortcomings such as flow process is complicated, floor space is large, working cost is high, and assembled unit is many.

The techniques such as immobilization biological membrane process, ABR technique, A/O technique, membrane filtration are more and more current biological sewage treatment unit application, these techniques can improve stability and the suitability for the treatment of system, improve the biodegradability of waste water and to water quality and the shock-resistant dynamics of load, shorten the treatment time, simplified treatment scheme simultaneously, save investment, reduced running cost.The utility model by micro-oxygen technology, longitudinally arrange that the fusion of the technology such as traverse baffle, bidirectional flow, tubular fibre membrane filtration transforms, overcome the deficiency of conventional art, a kind of novel all-in-one treatment unit of processing trade effluent is provided, has improved processing efficiency, reduced energy consumption and the working cost in sewage treatment process, solved secondary pollution problem.

Summary of the invention

The purpose of this utility model is the deficiency for traditional industry sewage treatment process, combine and process conventional immobilization biological membrane process, ABR technique, A/O technique, the MF(membrane filtration of dirty waste water) etc. the advantage of technique, and carried out the transformation of reasonable, a kind of aerobic/anaerobic-membrane filtration integrated treatment device for industrial waste water is provided, thereby simplified treatment scheme, improved trade effluent processing efficiency, reduced management and working cost.

For achieving the above object, the technical solution of the utility model is as follows:

Aerobic/anaerobic-membrane filtration integrated treatment device for industrial waste water comprises: sewage acidification pool, water inlet system, upflowing ABR reactor, downflow system Aerobic Pond, upflowing Aerobic Pond, downflow system membrane filtration pond, outlet system, the feature of this device be sewage acidification pool through limited aeration, aeration rate is determined in conjunction with actual processing effect according to correlative study data; Waste water enters upflowing ABR reactor bottom by water inlet pipe, form baffling with upward flow, upflowing ABR reactor filler used is the resilient material that polyolefine and polymeric amide mix, what be connected with upflowing ABR reactor has shore pipe, vapor pipe, a venting port, in order to get rid of the materials such as the microbial film that comes off (mud) that treating processes anaerobism produces, small solid impurity, methane; Downflow system Aerobic Pond is intake by upflowing ABR reactor top, upflowing Aerobic Pond is by the water inlet of downflow system Aerobic Pond bottom, the elastic filler that downflow system Aerobic Pond is identical with upflowing ABR reactor with filling in upflowing Aerobic Pond, two row's micropore aeration pipes in the middle of downflow system Aerobic Pond and upflowing Aerobic Pond bottom, have respectively been arranged, lower end is provided with perforated baffle, in order to fixing micropore aeration pipe; Downflow system membrane filtration has been arranged several film filters in pond, and the material of film filter is hollow-fibre membrane, and what be connected with downflow system membrane filtration pond has waste water filtrate effluent pipe, a filtered liquid rising pipe, and film pressure table has been installed on filtered liquid rising pipe; The bottom of upflowing ABR reactor, downflow system Aerobic Pond, upflowing Aerobic Pond and downflow system membrane filtration tank main body is V-arrangement escape orifice (angle is 113 °), has a common blow-off pipe to connect upflowing ABR reactor, downflow system Aerobic Pond, upflowing Aerobic Pond and downflow system membrane filtration pond.

Change the ABR reactor of traditional lateral arrangement into vertical layout, shore pipe and vapor pipe are arranged in upflowing ABR reactor both sides.

Adopt elastic filler as weighting material, elastic filler is the mixing material of polyolefine and polymeric amide, cube structure, suspension type, fixedly the device of filler can adopt that nylon rope etc. is tough and tensile and hardness is high, erosion resistance is strong, the material of cheap, easy construction; The filling ratio of upflowing ABR reactor is 85%～95%, and the filling ratio of downflow system Aerobic Pond and upflowing Aerobic Pond is 65%～75%; Film filter adopts hollow-fibre membrane, and material is blend fiber ester millipore filtration.

In two Aerobic Ponds bottom, respectively adopt two row's micropore aeration pipes to carry out aeration, two row's micropore aeration pipes are arranged in middle, bottom, during aeration air-flow drive current direction separately a side circulate.

The advantage that the utility model has is compared with prior art:

1. this device combines multiple conventional waste water treatment process, novel structure, simple, compact, and connection and reasonable arrangement, does not need triphase separator, easy and simple to handle, and work safety is stable, the expense of having saved facility investment and day-to-day operation. 2.filler adopts the elastic filler mixing with polyolefine and polymeric amide, novel structure, the transfer that can greatly improve oxygen, specific surface area greatly, not conglomeration, do not stop up, long service life, but also reusable, production run simple and convenient management, adaptable.Simultaneously, the filler of upflowing ABR reactor adopts one-sided fixed, the filler of two Aerobic Ponds is shaft fixed in adopting, these two kinds of decoration forms are floated and fixed good combination, can increase the contact area of air-flow, microbial film, current again preventing that microbial film from flowing when coming off, improve treatment effect. 3.sludge age is long, mud discharging is few, has good biochemical.In upflowing ABR reactor, anaerobic process can be the material of small molecules and easy degraded by the material decomposition of macromolecular substance and difficult degradation, also can carry out denitrification simultaneously, and poisonous, used water difficult to degradate are had to good treatment effect; Aerobic condition in two Aerobic Ponds can carry out the nitrated effect of Denging to the pollutent flowing out in upflowing ABR reactor, and waste water is further removed, and improves effluent quality; Biomembranous biophase is when abundant, and reaction tank moves under long sludge age, and mud discharging is few, non-secondary pollution.4. when processing trade effluent, possess the function of denitrogenation dephosphorizing, can remove the organic waste water of middle and high concentration, thereby the range of application of this device is very extensive.

Accompanying drawing explanation

Fig. 1 is structural profile front view of the present utility model.

In figure: 1, sewage acidification pool, 2, sump pump, 3, valve, 4, shore pipe, 5, vapor pipe, 6, venting port, 7, elastic filler, 8, micropore aeration pipe, 9, perforated baffle, 10, film retaining plate, 11, film filter, 12, film pressure table, 13, waste water filtrate effluent pipe, 14, filtered liquid rising pipe, 15, blow-off pipe, A, upflowing ABR reactor, B, downflow system Aerobic Pond, C, upflowing Aerobic Pond, D, downflow system membrane filtration pond.

Embodiment

As shown in drawings, the main body of the utility model aerobic/anaerobic-membrane filtration integrated treatment device for industrial waste water is comprised of upflowing ABR reactor A, downflow system Aerobic Pond B, upflowing Aerobic Pond C, downflow system membrane filtration pond D, sewage is processed by sump pump 2 and is entered by upflowing ABR reactor A bottom sidewall through sewage acidification pool 1, upflowing ABR reactor A filler used is elastic filler 7, filling ratio is 85%～95%, and fixed form is one-sided fixing.Because anaerobic reaction will certainly produce gas and the mud that comes off, thus in upflowing ABR reactor A right side flap lower disposed shore pipe 4, in its left side flap top layout vapor pipe 5, and in upflowing ABR reactor A top layout venting port 6.Downflow system Aerobic Pond B and upflowing Aerobic Pond C filler used are elastic filler 7, and filling ratio is 65%～75%, and fixed form is shaft fixed in being; In the middle of the bottom of downflow system Aerobic Pond B and upflowing Aerobic Pond C, respectively arranged that two row's micropore aeration pipe 8(aeration times adopt SBR technology), micropore aeration pipe 8 is fixed by perforated baffle 9, during aeration air-flow drive current direction separately a side circulate.Waste water after anaerobic-aerobic is processed enters downflow system membrane filtration pond D from top, the waste water after filtering flows out from waste water filtrate effluent pipe 13, and the waste water of having held back impurity flows out through filtrate rising pipe 14; In downflow system membrane filtration pond, arranged four film filters 11, film filter 11 is selected hollow-fibre membrane, and material is blend fiber ester.The bottom of upflowing ABR reactor A, downflow system Aerobic Pond B, upflowing Aerobic Pond C and downflow system membrane filtration pond D main body is provided with as V-arrangement escape orifice (angle is 113 °), with a common blow-off pipe 15, connect upflowing ABR reactor A, downflow system Aerobic Pond B, upflowing Aerobic Pond C and downflow system membrane filtration pond D, regularly sediment exclusion.

Before operation, upflowing ABR reactor A, downflow system Aerobic Pond B and upflowing Aerobic Pond C carry out Biofilm Colonization cultivation from low to high by load, during operation, sewage is processed by sump pump 2 and is entered upflowing ABR reactor A bottom, the form baffling through traverse baffle effect with upward flow through sewage acidification pool 1; Sewage through anaerobic treatment flows into downflow system Aerobic Pond B from upflowing ABR reactor A top, water (flow) direction is lower to stream, and waste water flows into upflowing Aerobic Pond C from downflow system Aerobic Pond B bottom; Waste water flows into downflow system membrane filtration pond D after downflow system Aerobic Pond B and upflowing Aerobic Pond C aerobic treatment from upflowing Aerobic Pond C top, it is motivating force that film filter 11 be take the pressure difference of film both sides, take hollow-fibre membrane as filtration medium, under certain pressure, waste water is carried out to filtration, purification, waste water after filtration is got rid of from waste water filtrate effluent pipe 13, and filtered liquid is got rid of by filtered liquid rising pipe 14.Significant parameter: temperature is that 15～30 ℃, HRT are that 5～8 h, membrane module diameter are that 30～60 nm, membrane operations pressure are 0.15～0.25 MPa.

Filler adopts usings elastic filler 7 that polyolefine and polymeric amide mix as filler, its tool effective ratio area is large, biofilm fast, biofilm development upgrades good, resistance to high loading impact, treatment effect is good, the features such as long service life, meanwhile, the elastic filler 7 in upflowing ABR reactor A, downflow system Aerobic Pond B and upflowing Aerobic Pond C can adopt the materials such as nylon rope to be fixed; Film filter 11 adopts hollow-fibre membranes, and material is blend fiber ester millipore filtration, and its effective film surface-area ratio having in unit volume is higher, permeability rate compared with low and chemical stability better, the feature such as long service life.

The utility model is by immobilized microorganism technique, ABR technique, A/O, MF(membrane filtration) advantage of the water technology such as technique combines and carried out rational transformation, there is the features such as treatment effect is good, simple to operate, running cost is low, minimizing land used, to trade effluent COD, BOD ₅, suspended substance, colourity have good treatment effect, simultaneously to the organic pollutants such as nitrogen and total phosphorus also removal effect preferably.

Claims (5)

1. aerobic/anaerobic-membrane filtration integrated treatment device for industrial waste water, mainly comprise sewage acidification pool (1), sump pump (2), upflowing ABR reactor (A), downflow system Aerobic Pond (B), upflowing Aerobic Pond (C), downflow system membrane filtration pond (D), waste water filtrate effluent pipe (13), blow-off pipe (15) forms, it is characterized in that: upflowing ABR reactor (A), downflow system Aerobic Pond (B), upflowing Aerobic Pond (C) and downflow system membrane filtration pond (D) are arranged side by side successively, waste water enters from upflowing ABR reactor (A) bottom sidewall, form plug-flow with upward flow, what be connected with upflowing ABR reactor (A) has a shore pipe (4), vapor pipe (5), venting port (6), that fills in upflowing ABR reactor (A), downflow system Aerobic Pond (B) and upflowing Aerobic Pond (C) is elastic filler (7), in the middle of downflow system Aerobic Pond (B) and upflowing Aerobic Pond (C) bottom, respectively arranges two row's micropore aeration pipes (8), in micropore aeration pipe (8) lower end, be respectively provided with a perforated baffle (9) simultaneously in order to fixing micropore aeration pipe (8), several film filters (11) in downflow system membrane filtration pond (D), have been arranged, the material of film filter (11) is hollow-fibre membrane, what be connected with downflow system membrane filtration pond (D) has waste water filtrate effluent pipe (13), a filtered liquid rising pipe (14), and film pressure table (12) has been installed on filtered liquid rising pipe (14), there is a common blow-off pipe (15) below in upflowing ABR reactor (A), downflow system Aerobic Pond (B), upflowing Aerobic Pond (C) and downflow system membrane filtration pond (D) main body.

2. a kind of aerobic/anaerobic-membrane filtration integrated treatment device for industrial waste water according to claim 1, is characterized in that: described upflowing ABR reactor (A) is arranged for vertical, reactor both sides layout shore pipe (4) and vapor pipe (5).

3. a kind of aerobic/anaerobic-membrane filtration integrated treatment device for industrial waste water according to claim 1, is characterized in that: described elastic filler (7) is the mixing material of polyolefine and polymeric amide, cube structure, suspension type; The filling ratio of upflowing ABR reactor (A) is 85%～95%, and the filling ratio of downflow system Aerobic Pond (B) and upflowing Aerobic Pond (C) is 65%～75%.

4. a kind of aerobic/anaerobic-membrane filtration integrated treatment device for industrial waste water according to claim 1, it is characterized in that: two Aerobic Pond bottoms of described downflow system Aerobic Pond (B) and upflowing Aerobic Pond (C) respectively adopt two row's micropore aeration pipes (8) to carry out aeration, two row's micropore aeration pipes (8) are arranged in middle, bottom, during aeration air-flow drive current direction separately a side circulate.

5. a kind of aerobic/anaerobic-membrane filtration integrated treatment device for industrial waste water according to claim 1, it is characterized in that: described downflow system membrane filtration pond (D) has four film filters (11), film filter (11) adopts hollow-fibre membrane, and material is blend fiber ester millipore filtration.