CN204198551U - The aerobic sewerage disposing equipment of a kind of intensive MBBR - Google Patents
The aerobic sewerage disposing equipment of a kind of intensive MBBR Download PDFInfo
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- CN204198551U CN204198551U CN201420556738.1U CN201420556738U CN204198551U CN 204198551 U CN204198551 U CN 204198551U CN 201420556738 U CN201420556738 U CN 201420556738U CN 204198551 U CN204198551 U CN 204198551U
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- aerobic pond
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Abstract
The utility model discloses the aerobic sewerage disposing equipment of a kind of intensive MBBR, comprise equalizing tank and medicine system, the downstream of equalizing tank is connected with two-stage aerobic pond and DAF air flotation pool in turn; MBBR filler is filled with in Aerobic Pond; Equalizing tank is provided with and promotes water pump and liquidometer, and two-stage aerobic pond is integral type structure, and be divided into two spaces by a next door, the top in next door is provided with through hole; Be provided with aerating apparatus respectively bottom the pond in equalizing tank and two-stage aerobic pond, aerating apparatus is connected with gas blower by air line; Medicine system is connected to DAF air flotation pool by medicament pipeline, and the mud mouth of DAF air flotation pool is connected to sludge storage pool by mud gravity flow pipeline, and the water outlet of DAF air flotation pool is connected to clean water basin by clear water gravity flow pipeline; The downstream of clean water basin is connected with fresh water pump and strainer in turn by pipeline.The utility model greatly can improve sewage treating efficiency and can save occupation of land.
Description
Technical field
The utility model relates to a kind of containing the biomembranous embrane method biological treating equipment of MBBR, particularly relates to a kind of intensive aerobic sewage disposal device.
Background technology
For solving shortage of water resources problem, sanitary sewage regeneration has become a kind of inexorable trend, especially enterprise's sanitary sewage, its water displacement is little, Biodegradability of Wastewater is higher, mainly in the technology of existing reuse of wastewater adopting traditional activated sludge process or traditional biological membrane processing method, consider processing cost and project occupation of land, be mainly dominate technique mainly with microbial film facture greatly.
The purification mechanism of biomembrance process: in biofilm treatment system, be filled with the considerable biofilm medium of quantity, when sewage and biofilm medium flow contact, inoculate or the former microorganism be present in sewage will grow at dielectric surface, through after a period of time, dielectric surface will be covered by a kind of membranaceous mud, i.e. microbial film.
Because microorganism constantly breeds, biofilm thickness constantly increases, when after increasing to a certain extent, be about to transfer anaerobic state in the Proof inboard deep of oxygen, form anaerobism film, such microbial film is by aerobic layer and anaerobic layer is two-layer forms, and organic matter degradation mainly carries out in aerobic layer.
Filler between the microbial film adhered to and sewage and air carry out exchange of substance, organic matter removal (showing as BOD, COD) and O
2outward, other materials are also carried out, as CO
2, NH
3deng transmission, see Fig. 1.Microbial film progressive additive, forms anaerobic layer therein, and starts aging.Aging microbial film comes off gradually under the effects such as sluicing, circulates and so forth, the organism in sewage is constantly reduced, thus be purified.
In the biomembrance process mid-water process craft of existing operation, large is main flow mainly with " equalizing tank+contact-oxidation pool+second pond+advanced treatment process ", its main flow describes: first sewage carry out the adjustment of water quality and quantity in equalizing tank, be provided with aeration tube bottom equalizing tank and carry out aeration agitation, then contact-oxidation pool is entered through promoting, in contact-oxidation pool, sewage is purified under biomembranous effect on filler, water gravity flow enters second pond, solid-liquid separation is entered in second pond, supernatant liquor flows out treats further advanced treatment, advanced treatment system takes technique as the leading factor mainly with " tiny flocculation precipitation+filter " or membrane process.
It is long to there is technical process in tradition sewerage disposing technology, and electrical equipment multioperation runs complicated, and energy consumption is high, and reagent consumption amount is large, many defects such as floor space is large.
Utility model content
The utility model is for the drawback of prior art, provide the aerobic sewerage disposing equipment of a kind of intensive MBBR, by by equalizing tank, carry out integrated combination design with the two-stage aerobic pond of MBBR filler and DAF air flotation pool, not only reduce occupation of land as far as possible, and break the two-section type processing mode of conventional processes " sewage treatment process+advanced treatment process ".Simplify treatment scheme, the specific surface area of MBBR filler is wherein large, thus under can ensureing equal conditions, equipment volume is little, and the microbial biomass in treating processes is large, and load is high, and process water outlet organic pollutant removal efficiency is high.
In order to solve the problems of the technologies described above, the aerobic sewerage disposing equipment of the intensive MBBR of one of the present utility model, comprise water-in, water outlet, equalizing tank, sludge storage pool, clean water basin and medicine system, the downstream of described equalizing tank is connected with one-level Aerobic Pond, secondary Aerobic Pond and DAF air flotation pool in turn; MBBR filler is filled with in described one-level Aerobic Pond and secondary Aerobic Pond; The exit end of described equalizing tank is provided with lifting water pump, and described equalizing tank is provided with liquidometer, and be connected with pipeline between described lifting water pump and one-level Aerobic Pond, this pipeline is provided with magnetic flow meter, and described magnetic flow meter, liquidometer are connected with lifting water pump; Described one-level Aerobic Pond and secondary Aerobic Pond are integral type structure, and are divided into two spaces by a next door, and the top in described next door is provided with through hole; Water pipe is connected with between described secondary Aerobic Pond and DAF air flotation pool; The bottom of described equalizing tank is provided with boring aeration pipe, is provided with aerating apparatus respectively bottom the pond of described one-level Aerobic Pond and secondary Aerobic Pond; Have three air lines, be connected with gas blower after one end parallel connection of three air lines, the other end of three air lines is connected to the aerating apparatus in boring aeration pipe, one-level Aerobic Pond and the secondary Aerobic Pond in described equalizing tank respectively separately; Described medicine system is connected to DAF air flotation pool by medicament pipeline, and the mud mouth of described DAF air flotation pool is connected to described sludge storage pool by mud gravity flow pipeline, and the water outlet of described DAF air flotation pool is connected to clean water basin by clear water gravity flow pipeline; The downstream of described clean water basin is connected with fresh water pump and strainer in turn by pipeline; Described water-in is the import of described equalizing tank, and described water outlet is the outlet of described strainer; Described air line and pipeline are provided with valve respectively.
The aerobic sewerage disposing equipment of the intensive MBBR of the utility model, wherein, the water outlet of described one-level Aerobic Pond and secondary Aerobic Pond is provided with grid respectively.Molten gas reflux pump is provided with in described DAF air flotation pool.
Compared with prior art, the beneficial effects of the utility model are:
1, the own specific surface area of MBBR filler used in the utility model is large, biofilm biomass is large, microbe species is many, quantity is large, operating load is high, anti-shock loading is high, and can reach more than 95% to organic clearance, removal efficiency is high, owing to being filled with the existence of the Aerobic Pond of MBBR filler in the utility model, pond body bulk and the floor space of Aerobic Pond in prior art greatly can be reduced.
2, in Aerobic Pond, aerating apparatus is provided with, therefore, MBBR filler is under the stirring of gas, and its fluidized degree is high, then the shearing force between filler and filler, between filler and water is large, therefore, anaerobic layer is less, and effective aerobic layer activity is high, and thus surplus sludge volume is little, sludge volume is little and become cotton-shaped, and this floc sludge is applicable to using DAF air flotation pool.Compared with traditional settling tank, the utility model DAF air flotation pool has a style of one's own, and eliminate dosing coagulation district, intensive degree is high.
3, the utility model device systems makes electrical installation few compared with conventional art, and therefore, the overall volume of equipment is little, saves room and floor space.
4, in water treating equipment of the present utility model owing to being filled with MBBR filler in Aerobic Pond, and subsequent disposal have employed DAF air-flotation process, therefore, only need to use a kind of medicament of coagulant aids in operational process, compared with prior art eliminate acid-alkali accommodation medicament, flocculation agent and corresponding dosing pump, molten medicine system.Reduce dosing kind, run medicament expense use, reduce maintenance maintenance point position simultaneously, reduce labour intensity.
Accompanying drawing explanation
Fig. 1 is microbial film material transfer schematic diagram;
Fig. 2 is the basic flow sheet of the aerobic sewerage disposing equipment of a kind of intensive MBBR of the utility model.
In figure: 1-water-in, 2-equalizing tank, 3-promotes water pump, 4-one-level Aerobic Pond, 5-secondary Aerobic Pond, 6-DAF air flotation pool, 7-sludge storage pool, 8-clean water basin, 9-gas blower, 10-medicine system, 11-fresh water pump, 12-strainer, 13-water outlet, 14-liquidometer, 15-magnetic flow meter.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
As shown in Figure 2, the utility model is the aerobic sewerage disposing equipment of a kind of intensive MBBR, and this equipment comprises water-in 1, water outlet 13, equalizing tank 2, one-level Aerobic Pond 4 and secondary Aerobic Pond 5, DAF air flotation pool 6, sludge storage pool 7, clean water basin 8 and medicine system 10.The downstream of described equalizing tank 2 is connected with one-level Aerobic Pond 4, secondary Aerobic Pond 5, DAF air flotation pool 6 successively.
The exit end of described equalizing tank 2 is provided with and promotes water pump 3, in order to the water extraction liter in equalizing tank 2 is entered in the Aerobic Pond of back segment, described equalizing tank 2 is provided with liquidometer 14, pipeline is connected with between described lifting water pump 3 and one-level Aerobic Pond 4, this pipeline is provided with valve and magnetic flow meter 15, and described magnetic flow meter 15, liquidometer 14 are connected with lifting water pump 3;
Described one-level Aerobic Pond 4 is integral type structure with secondary Aerobic Pond 5, and be divided into two spaces by a next door, the top in described next door is provided with through hole, is filled with MBBR filler in described one-level Aerobic Pond 4 and secondary Aerobic Pond 5, is connected with water pipe between described secondary Aerobic Pond 5 and DAF air flotation pool 6.
The bottom of described equalizing tank 2 is provided with boring aeration pipe, aerating apparatus is provided with respectively bottom the pond of one-level Aerobic Pond 4 and secondary Aerobic Pond 5, aerating apparatus in described equalizing tank 2 plays the effect of stirring, and the aerating apparatus in one-level Aerobic Pond 4 and secondary Aerobic Pond 5 is in order to ensure that oxygen in water is not less than 2mg/L; There are three air lines, gas blower 9 is connected with after one end parallel connection of three air lines, at gas blower 9, place preferably adds noise-stop device, the other end of three air lines is connected to the aerating apparatus in boring aeration pipe, one-level Aerobic Pond 4 and the secondary Aerobic Pond 5 in described equalizing tank 2 respectively separately, described air line is provided with valve, the water outlet of described one-level Aerobic Pond 4 and secondary Aerobic Pond 5 is provided with grid respectively, ensures that MBBR filler can not with the outflow of one piece, water.
Described medicine system 10 is connected to DAF air flotation pool 6 by medicament pipeline, and medicament is joined the feed-water end place of DAF air flotation pool 6 by medicine system 10, water-borne glue body and suspended substance can be made to take off disorderly.
Be provided with molten gas reflux pump in described DAF air flotation pool 6,1/3 of amount of inlet water refluxes for molten gas, ensures that in water, fine suspension can be deviate from bubble, and can remove; The mud mouth of described DAF air flotation pool 6 is connected to described sludge storage pool 7 by mud gravity flow pipeline, thus mud that in described DAF air flotation pool 6, scum silica frost scraper plate scrapes can be flow automatically enter in sludge storage pool 7, and regularly clears; The water outlet of described DAF air flotation pool 6 is connected to clean water basin 8 by clear water gravity flow pipeline, the water outlet of described DAF air flotation pool 6 is flow automatically and enters clean water basin 8,
The downstream of described clean water basin 7 is connected with fresh water pump 11 and strainer 12 in turn by pipeline, and this pipeline is provided with valve, and this strainer 12 can reduce the fine suspension in sewage.
The water-in 1 of sewerage disposing equipment of the present invention is the import of described equalizing tank 2, and water outlet 13 is the outlet of described strainer 12.
The working process of a kind of intensive MBBR aerobic sewerage disposing equipment that the utility model provides is as follows:
The water-in 1 of waste water first slave unit enters equalizing tank 2, bottom equalizing tank 2, be provided with boring aeration pipe, adopts the mode of gas stirring, the water quality of sewage, the water yield is played to the effect of homogenizing; Two the lifting water pumps be provided with in equalizing tank 2, the using and the reserved, rise to one-level Aerobic Pond 4 by water extraction, the outlet pipeline of equalizing tank 2 is provided with magnetic flow meter 15, control the sewage quantity entering back segment equipment, ensure the normal operation of aerobic equipment.Equalizing tank 2 is built with liquidometer 14, and this liquidometer 14 adopts ultrasonic level gage, in order to the height of liquid level in vision-control pond 2, and controls by two position the start and stop promoting water pump 3.
In one-level Aerobic Pond 4 and secondary Aerobic Pond, be filled with MBBR filler, the filling ratio of filler is at 30%-50%, and filler grows the microbial film of a large amount of microorganism, the organic pollutant in sewage is by microbial film institute absorption degradation.The aerating apparatus be arranged on bottom each Aerobic Pond adopts boring aeration device, its effect one ensures there are enough dissolved oxygens in sewage, two is that the uphill process that gas ducks in drink produces strong perturbation action to water, impel MBBR filler in water in fluidized, now microbial film rub between filler and filler and sluicing effect under constantly come off, ensure that biomembranous thickness can not be blocked up, anaerobic layer is thin, the material transfer effect of effective aerobic layer is stronger, organic matter removal efficiency is high, be arranged on the grid of each Aerobic Pond water outlet, filler is tackled in the body of pond, prevent filler from flowing out with water, the water outlet gravity flow of secondary Aerobic Pond 5 enters DAF air flotation pool 6.
In medicine system 10, institute's with medicament is coagulant aids, is generally PAM negatively charged ion, and medicine system 10 generally comprises whipping appts, dosing tank and volume pump.There is coagulation district the front end being arranged in DAF air flotation pool 6, adds coagulant aids by medicine system 10 in coagulation district; In addition, preferably in the side of DAF air flotation pool 6, dissolved air floatation pump is housed, makes the flooding quantity of 1/3 carry out mixing wastewater with air and be back to the front end of DAF6, bubble will take off disorderly tiny mud stripping on the water surface in the process risen in water.Floating sludge scrapes and flows automatically and enters sludge storage pool 7 under the effect of dreg scraper, and in sludge storage pool 7, mud needs to observe liquid level in time and the outer process of regularly roping committee.Bottom clear water gravity flow enters clean water basin 8.Fresh water pump 11 is housed outside clean water basin 8, and clear water promotes and enters strainer 12, filters further, ensures out that water suspension can meet recycle water standard, and after filtering, water outlet enters reuse water spot with water outlet 13.
In the utility model, owing to being filled with the existence of the Aerobic Pond of MBBR filler, greatly reduce pond body bulk and the floor space of Aerobic Pond in prior art.
Although composition graphs is described the utility model above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; when not departing from the utility model aim, can also make a lot of distortion, these all belong within protection of the present utility model.
Claims (3)
1. the aerobic sewerage disposing equipment of intensive MBBR, comprise water-in (1), water outlet (13), equalizing tank (2), sludge storage pool (7), clean water basin (8) and medicine system (10), it is characterized in that
The downstream of described equalizing tank is connected with one-level Aerobic Pond (4), secondary Aerobic Pond (5) and DAF air flotation pool (6) in turn;
MBBR filler is filled with in described one-level Aerobic Pond (4) and secondary Aerobic Pond (5);
The exit end of described equalizing tank (2) is provided with and promotes water pump (3), described equalizing tank (2) is provided with liquidometer (14), pipeline is connected with between described lifting water pump (3) and one-level Aerobic Pond (4), this pipeline is provided with magnetic flow meter (15), and described magnetic flow meter (15), liquidometer (14) are connected with lifting water pump (3);
Described one-level Aerobic Pond (4) and secondary Aerobic Pond (5) are integral type structure, and are divided into two spaces by a next door, and the top in described next door is provided with through hole; Water pipe is connected with between described secondary Aerobic Pond (5) and DAF air flotation pool (6);
The bottom of described equalizing tank (2) is provided with boring aeration pipe, is provided with aerating apparatus respectively bottom the pond of described one-level Aerobic Pond (4) and secondary Aerobic Pond (5); There are three air lines, be connected with gas blower (9) after one end parallel connection of three air lines, the other end of three air lines is connected to the aerating apparatus in boring aeration pipe, one-level Aerobic Pond (4) and the secondary Aerobic Pond (5) in described equalizing tank (2) respectively separately;
Described medicine system (10) is connected to DAF air flotation pool (6) by medicament pipeline, the mud mouth of described DAF air flotation pool (6) is connected to described sludge storage pool (7) by mud gravity flow pipeline, and the water outlet of described DAF air flotation pool (6) is connected to clean water basin (8) by clear water gravity flow pipeline;
The downstream of described clean water basin (7) is connected with fresh water pump (11) and strainer (12) in turn by pipeline;
The import that described water-in (1) is described equalizing tank (2), described water outlet is the outlet of described strainer;
Described air line and pipeline are provided with valve respectively.
2. the aerobic sewerage disposing equipment of intensive MBBR according to claim 1, it is characterized in that, the water outlet of described one-level Aerobic Pond (4) and secondary Aerobic Pond (5) is provided with grid respectively.
3. the aerobic sewerage disposing equipment of intensive MBBR according to claim 1, is characterized in that, be provided with molten gas reflux pump in described DAF air flotation pool (6).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111747605A (en) * | 2020-06-05 | 2020-10-09 | 广东益诺欧环保股份有限公司 | Multistage physicochemical-biochemical combined domestic sewage treatment system and treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111747605A (en) * | 2020-06-05 | 2020-10-09 | 广东益诺欧环保股份有限公司 | Multistage physicochemical-biochemical combined domestic sewage treatment system and treatment method |
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