CN2654598Y - Composite anaerobic biological waste water treatment reactor - Google Patents
Composite anaerobic biological waste water treatment reactor Download PDFInfo
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- CN2654598Y CN2654598Y CNU2003201104096U CN200320110409U CN2654598Y CN 2654598 Y CN2654598 Y CN 2654598Y CN U2003201104096 U CNU2003201104096 U CN U2003201104096U CN 200320110409 U CN200320110409 U CN 200320110409U CN 2654598 Y CN2654598 Y CN 2654598Y
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- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The utility model relates to a combined type wastewater disposal reactor of anaerobe, which comprises a closed reactor; wherein, a grain mud area is arranged on the lower part of the reactor, which is filled with grain mud and a stuffing area is arranged upwards the grain mud area with a distance; a water infall is arranged on the bottom of the reactor and is connected with a water pump; an outfall and a gas discharge outlet are arranged on the top. The utility model is characterized in that a distance is remained upwards the reactor corresponding to the stuffing area and at least a filtering area filled with stuffing is arranged on the distance; the upper end of the filtering area is higher than the outfall. The utility model has the advantages of being used for treatment of organic wastewater, combing the biochemical treatment and materializing treatment, solving the problems that the mud of the general anaerobic grain mud reactor is easy to run off and a refluent device is needed, reducing the large and costly stuffing required for the anaerobic filter chamber and the filter and adsorption device, improving the effluent water quality and lowering the cost.
Description
Technical field
The utility model relates to a kind of water treatment device of organic waste water, specifically a kind of composite anaerobic biological effluent treatment reactor.
Background technology
At present, some key industry high density poisonous organic wastewaters such as printing and dyeing, medicine, chemical industry, papermaking are the one of the main reasons that causes China's water pollution aggravation.The general character of this type of waste water is relatively to be difficult to degraded in environment, long-time stable existence, and have biological accumulation, and seriously affect the healthy of the mankind, hindered the Sustainable development of China's economy.Therefore, be a focus in the current wastewater processing technology at the research of high-concentration hardly-degradable poisonous organic wastewater and application.
Have a variety ofly at the water treatment device of organic waste water, wherein many all is very sophisticated, and has realized industrialization.According to the different methods of degradation of organic substances, this type of water treatment device can be divided into materialization water treatment device and biochemical water treatment device two big classes.。Typical materialization water treatment device at organic waste water has following a few class: with charcoal absorption, macroporous resin adsorption is the adsorption unit of representative, with reverse osmosis, ultrafiltration is the membrane separation unit of representative, is oxidized to the advanced oxidation device of representative with photochemical catalytic oxidation, overcritical catalyzed oxidation, ultrasonically catalyzing.Biochemical water treatment device pattern kind is more, but can be divided into aerobic and anaerobism two big classes
Adsorption unit is to utilize the adsorption of different sorbent materials to remove organic pollutant in the water.Absorbent charcoal adsorber can be divided into fixed-bed type, moving bed type, thermopnore type according to the different running method of sorbent material.The shape of activated carbon of sorbent has Powdered and particulate state, and granular active carbon regeneration is easier than powdered active carbon, so the activated adsorption device adopts granular active carbon more.The adsorptive power of gac is very strong, and many organism in the water are all had very strong adsorptive power, can also be used for deodorizing, decolouring and the micro-objectionable impurities of water in addition.The sixties, the macroporous resin adsorption device of development was with the adsorption unit of macroporous resin as sorbent material.Macroporous adsorbent resin can purify many ionic, polarity and nonpolar organism, and its bonding force is smaller, is easy to regeneration, and different with charcoal absorption is that macroporous resin adsorption has very high selectivity, therefore the organism in the recyclable water.
Membrane separation unit is to utilize the selection perviousness of film to remove organic pollutant in the water, big I according to membrane pore size is divided into broad varietys such as reverse osmosis and ultrafiltration, can be divided into plate and frame, tubular type, rolling and four kinds of structure formations of tubular fibre formula according to the shape of membrane module.The key distinction of reverse osmosis and ultra-filtration equipment is that its film directly varies in size.The pollutent particle diameter that ultra-filtration membrane is held back is bigger, is about the 2-10000 micron, and it is less that reverse osmosis membrane is held back, be about the 0.4-600 micron, so the corresponding working pressure of ultra-filtration equipment is less, is 101.3-709.3kPa, and reverse osmosis unit is bigger, will exceed an order of magnitude than ultra-filtration equipment.Membrane separation unit is a kind of degree of depth water treatment device, can remove the micro quantity organic pollutant in the water.
High-level oxidation technology and device starting are later relatively, come down to adopt the catalyzed oxidation technology under the specific conditions.The ultimate principle of photocatalytic oxidation device is, rayed is behind semiconductor surfaces such as titanium dioxide, and the hole of generation makes water molecules generate hydroxyl radical free radical, and hydroxyl radical free radical has the strong oxidation capacity of non-selectivity, thereby removes the organic pollutant in the water.The ultimate principle of overcritical catalytic oxidizing equipment is, under the supercritical state of High Temperature High Pressure, organic pollutant molecule, air and aqueous solvent are unlimited to be held mutually, thereby organic pollutant is by exhaustive oxidation almost in the short period of time.
Biological method is to remove the most economical effective means of organism in the waste water, is the Metabolic activity that utilizes in the microbial life process, thereby organism is decomposed into the process that simple inorganics is removed organic pollutant.According in the metabolic process to the conditions of demand of oxygen, microorganism can be divided into aerobic microbiological, anaerobion and marginal aerobic-anaerobic microbe.Be divided into continous way and sequence batch (by water flow mode, be divided into activated sludge process and biomembrance process by the existing way of microorganism.Representative pattern have activated sludge tank, biological filter, biology to connect to separate oxidizing tower, oxidation ditch, blodisc, upflowing sewage sludge reactor,
Above-described various organic waste-water treating apparatus has advantage separately, and shortcoming is separately also arranged simultaneously, can only be suitable for certain scope.The effluent quality of various adsorption units is better, but owing to use a large amount of sorbent materials, and need regeneration, cause running cost higher.Various embrane method device effluent qualities are also better, but to the having relatively high expectations of film, the cost of manufacture of film is very high, and film is very easily contaminated in the operational process, need comparatively strict pre-treatment.Catalyzer cost of manufacture in the photocatalysis apparatus is higher, still can not carry out scale operation, and the easy inactivation of catalyzer, also needs comparatively strict pre-treatment.Therefore overcritical device needs High Temperature High Pressure, and to the having relatively high expectations of equipment material, fixed cost is higher, and it is difficult to safeguard.Therefore be necessary to develop the novel advanced treatment process of efficient and cheap.
General biochemical water treatment device and the utility model technology are comparatively close.Result of study shows that general biochemical water treatment device only is applicable to the sanitary sewage of low bio-toxicity and readily biodegradable, adopt conventional aerobic or anaerobic biological treatment to be difficult to reach processing requirements for hard-degrading high concentrated poisonous organic wastewater, usually need complicated pre-treatment and aftertreatment device, improved working cost so greatly, floor space is big.Single aerobe treatment unit, energy consumption is bigger, needs aeration, and can only handle lower concentration easily degraded sanitary sewage or as the subsequent disposal of other treatment processs.General anaerobic biological treatment method can be handled the organic waste water of high-concentration hardly-degradable, and energy consumption is low, and floor space is little, but also can reclaim the methane (CH that anaerobic treatment produces
4) gas, produce certain economic benefits, but this method is difficult to handle for the poisonous waste water of high density, and the water outlet after handling is difficult to reach desirable requirement, usually need other materializations or biochemical treatment apparatus as subsequent disposal, so just having strengthened running cost and floor space, operation easier is increased, is the major obstacle that is applied to actual engineering.A water technology, energy efficient and cost-effective ground purified industrial organic pollutant could be realized industrial applications, therefore, the combination process that cost of development is low, efficient is high, the development trend and the effective way of also current just solution high density, difficult degradation poisonous organic wastewater.
Summary of the invention
The purpose of this utility model is exactly in order to address the above problem, and the composite anaerobic biological effluent treatment that a kind of cost is low, efficient is high reactor is provided.
Technical solution of the present utility model:
A kind of composite anaerobic biological effluent treatment reactor, it includes closed reactor 11, these reactor 11 bottoms are the granule sludge district 3 that is filled with granule sludge, the top in corresponding granule sludge district 3 is stayed a determining deviation to be provided with one section and is filled Packed packing area 5 in the reactor 11, the bottom of reactor 11 is the water-in 1 that is connected with water pump 2, the top is provided with water port 7 and gas discharge outlet 8, it is characterized in that: the top of corresponding packing area 5 is left a determining deviation and is provided with one section Packed filtrating area 6 of filling at least in reactor 11, and the top of strainer 6 is lower than water port 7 positions.
First biochemical effect and materialization adsorption effect are organically combined on the utility model structure.The organic mechanism of anaerobic biodegradation is to utilize the metabolic process of anaerobion, organism is converted into inorganics and a spot of cellular material need not to provide under the situation of oxygen, and these inorganicss mainly comprise a large amount of biogas (and biogas) and water.The main component of biogas is about 2/3 CH
4With 1/3 CO
2, be a kind of callable energy.The anaerobic treatment water outlet often has a spot of suspended substance (as suspended sludge), have a strong impact on effluent quality, and under the absorption of filler, not only purified water quality, held back the loss of mud simultaneously, kept the sludge quantity in the reactor and prolonged sludge retention time (SRT).The prolongation essence of SRT is to have kept the high density of mud in the reactor, can shorten the hydraulic detention time (HRT) of waste water greatly, thereby reduces reactor volume, or increases the water yield of handling when the same reactor volume.The utility model utilizes the characteristics of anaerobic activated sludge, anaerobic filter and Filtration Adsorption, active sludge, microbial film and Filtration Adsorption organically are combined as a whole, give full play to advantage separately, not only optimized the water quality of water outlet, simultaneously because the formation of anaerobe film, on microbial film, form the good symbiotic relationship of various floras, therefore in reactor, be easy to turn out the anaerobic sludge that adapts to toxic substance, make reactor strengthen the adaptive faculty of toxic substance; Not only reduce the device of pre-treatment and subsequent disposal, saved floor space, and reduced the consumption of expensive filler, greatly reduced running cost and operation easier.
What be worth proposition is, although anaerobic activated sludge, anaerobic filter etc. and various combination process thereof are to the treatment effect of high concentrated organic wastewater clearly, but adopt the utility model technology, more effective to the processing of the dark deleterious organic waste water of difficult degradation of suspension content height, colourity.
The utlity model has following advantage:
1, technically the physical influence of active sludge and biomembranous biochemical effect and Filtration Adsorption is combined, fundamentally solve anaerobic reactor mud and easily run off, needed backflow excess sludge problem, and prolonged sludge retention time (SRT), simultaneously can collect the biogas of discharging as the energy, produce economic benefit, reduce running cost and operation easier greatly, improve effluent quality.
2, saved anaerobic filter and, reduced the consumption of filler simultaneously, not only reduced running cost, and reached the purpose that purifies effluent quality as the filtering adsorpting device of subsequent disposal.
3, anaerobic grain sludge digestion, anaerobic filter and Filtration Adsorption concentrate in the same anaerobic reactor, and whole apparatus structure compactness is easy and simple to handle.
4 can be according to the height and the quantity of anaerobic filter and filtration fraction in different water treatment amounts and the concrete water quality selecting reactor, so engineering design is easy, and the construction and installation phase is short.
5, the filler of this device all is general commonly used, does not have special requirement, is easy to industrialization.
6, be applicable to various organic waste waters.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the utility model wastewater treatment process figure.
Embodiment
As Fig. 1, a kind of composite anaerobic biological effluent treatment of the utility model reactor, it includes closed reactor 11, these reactor 11 bottoms are the granule sludge district 3 that is filled with granule sludge, the top in corresponding granule sludge district 3 is stayed a determining deviation to be provided with one section and is filled Packed packing area 5 in the reactor 11, the bottom of reactor 11 is the water-in 1 that is connected with water pump 2, upwards be provided with water port 7 and gas discharge outlet 8 successively near reactor 11 tops, reactor 11 internal upper parts be provided with at least one section with packing area 5 stay the Packed filtrating area 6 of filling at regular intervals, on packing area 5 and the packing area 6, the bottom is equipped with filler supporting network 13, is used to place filler.The top of strainer 6 should be lower than water port 7 positions, and according to the requirement of wastewater treatment, filtrating area 6 can be made as two sections or multistage, if be provided with multistage filtrating area 6, then epimere should be near water port 7 places of reactor 11.Packing area 5 is equipped with the filler operational zone 12 of being convenient to pick and place filler with filtrating area 6, so that change filler.Gas discharge outlet 8 places are provided with gas meter 10.Interval one determining deviation just is provided with sample cock 9 on the reactor 11, is convenient to sampling analysis.
In the utility model use, high concentrated organic wastewater is without any pre-treatment, directly enter in the reactor by water-in 1 by intake pump 2, at first enter granule sludge district 3 and carry out anaerobic digestion, the preliminary degraded of microorganism in anaerobic grain sludge (controlling certain hydraulic detention time HRT), under continuously water inlet promotes, form sludge suspension district 4, the two does not have tangible interface granule sludge district 3 and sludge suspension district 4.Then the mixed solution of sewage and mud is through packing area 5, through holding back of filler, can on filler, form the microbial film that adapts to this waste water gradually, this microbial film not only can be held back suspended substance, can further degrade to the organism of waste water to a great extent simultaneously, generate micromolecular organism or inorganics; And carry out Filtration Adsorption through filtrating area 6 through the waste water of the further degradation treatment of microbial film, small organic molecule that wherein contains or the suspended substance of carrying secretly all can be filtered or be adsorbed on the filler in this district, waste water has further carried out advanced treatment, and water outlet emits through water port 7.Wherein the degraded of waste water in whole reactor can produce a large amount of biogas, and biogas has played stirring action in reactor, after gas discharge outlet 8 discharging collections.
For specific high concentrated organic wastewater, can be according to its characteristics, according to different water treatment amounts, water quality and concrete construction space, in reactor, strengthen the height of packing area 5 (microbial film district) and filtrating area 6 (Filtration Adsorption district), also can increase the hop count of filtrating area 6 according to the actually operating condition, reach the ideal effect of expection, also can adopt two sections, three sections etc. as filtrating area 6.
As Fig. 2, in fact the utility model is equivalent to be filled with the three segments combined technologies of carrying out in the anaerobic biological reactor of anaerobic sludge and two sections fillers, and it comprises the anaerobic grain sludge one-level digestion in granule sludge district 3, the microbial film second-stage treatment of packing area 5 and three grades of advanced treatment of Filtration Adsorption of filtrating area 6.Interrelated again between them, make and in a reactor, waste water is carried out three sections advanced treatment.Wherein any segment process all is sophisticated prior art, and is combined in rightly in this utility model in the reactor, has significantly reduced installation cost and floor space, has realized the advanced treatment of waste water again.In same reactor, packing area that forms the anaerobe film and the packing area of playing the Filtration Adsorption effect are arranged, need filler is regenerated after long-time the use, for the adsorption zone filler, the active high filler that can carry out back flushing or more renew is regenerated to the filler that takes out; To the filler in microbial film district, only need carry out back flushing and get final product.
In the utility model, can select suitable filler according to practical situation.Wherein for the filler that forms biomembranous packing area 5, general filling surface will have certain roughness and surface void rate, and the surface of rough porous helps biomembranous formation.And for blocky filler, it is very important selecting suitable particle diameter, it is reported that particle diameter is not waited to 6cm by 0.2mm, but the less filler of particle diameter is easy to obstruction, particularly for the bigger waste water of concentration.Therefore the multiselect above filler of 2cm in putting into practice.Filler selection such as cobble, rubble, fragment of brick, plastics, glass, slag, shell, coral, sponge, reticulated foam etc.
For the filler of filtrating area 6, general commonly used have coke, slag, flyash, gac, a macroporous resin etc.The adsorptive power of gac is very strong, and many organism in the water are all had very strong adsorptive power, can also be used for deodorizing, decolouring and the micro-objectionable impurities of water in addition, so the activated adsorption device adopts granular active carbon more.The shape of activated carbon of sorbent has Powdered and particulate state, and granular active carbon regeneration is easier than powdered active carbon.The sixties, the macroporous resin adsorption device of development was with the adsorption unit of macroporous resin as sorbent material.Macroporous adsorbent resin can purify many ionic, polarity and nonpolar organism, and its bonding force is smaller, is easy to regeneration, and different with charcoal absorption is that macroporous resin adsorption has very high selectivity, the organism in the also recyclable water.Therefore, appropriate filler can and be selected according to concrete waste water and practical situation by producer, and is minimum in the hope of cost when reaching the ideal treatment effect.
For the filler of filtrating area 6, after long-time the use, if active the reduction, the filler that can more renew through filler operational zone 12 is regenerated the filler that the activity of taking out reduces; Also can carry out temporary regeneration by back flushing.For the filler in microbial film district, if the microorganism or the suspended substance that exist with wadding combinate form formula between filler are more, result in blockage easily, can adopt and fall streaming and carry out back flushing, so also avoid losing the microbial film of filling surface.
Claims (5)
1, a kind of composite anaerobic biological effluent treatment reactor, it includes closed reactor (11), this reactor (11) bottom is the granule sludge district (3) that is filled with granule sludge, the top in corresponding granule sludge district (3) is stayed a determining deviation to be provided with one section and is filled Packed packing area (5) in the reactor (11), the bottom of reactor 11 is for being connected with the water-in 1 of water pump (2), the top is provided with water port (7) and gas discharge outlet (8), it is characterized in that: the top of corresponding packing area (5) is left a determining deviation and is provided with one section filling Packed filtrating area (6) at least in reactor (11), and the top of strainer (6) is lower than water port (7) position.
2, composite anaerobic reactor according to claim 1, it is characterized in that the packing area (5) and the upper and lower part of packing area (6) are equipped with filler supporting network (13), packing area (5) is equipped with the filler operational zone (12) of being convenient to pick and place filler with filtrating area (6), and gas discharge outlet (8) locates to be provided with gas meter (10).
3, composite anaerobic reactor according to claim 1 is characterized in that, filtrating area (6) can be made as two sections or multistage according to the requirement of wastewater treatment, and the filtrating area (6) of epimere should be located near the water port (7) of reactor (11).
4, composite anaerobic reactor according to claim 1, it is characterized in that the filler in the packing area (5) can select the filler of microbial film effect easy to hang for use, as cobble, rubble, fragment of brick, plastics, glass, slag, shell, coral, sponge, reticulated foam.
5, composite anaerobic reactor according to claim 1 is characterized in that the filler in the filtrating area (6) adopts the filler with adsorption function, as gac, coke, macroporous resin.
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| CNU2003201104096U CN2654598Y (en) | 2003-10-27 | 2003-10-27 | Composite anaerobic biological waste water treatment reactor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786722A (en) * | 2010-03-26 | 2010-07-28 | 云南师范大学 | Soft and hard double-bed double-filler anaerobic filter |
| CN101544452B (en) * | 2009-05-05 | 2011-10-05 | 浙江省环境保护科学设计研究院 | Composite anaerobic-aerobic process for treating waste paper making wastewater |
| CN106335957A (en) * | 2016-08-29 | 2017-01-18 | 昆明理工大学 | Assembly type reactor and application |
| CN108623088A (en) * | 2018-01-24 | 2018-10-09 | 湖南内特环保科技有限公司 | A kind of small flow medical waste water processing integrated apparatus and its wastewater treatment method |
| CN110845006A (en) * | 2019-12-10 | 2020-02-28 | 云南师范大学 | Multi-bed anaerobic reactor |
| CN111484133A (en) * | 2020-05-06 | 2020-08-04 | 太原理工大学 | Reaction system and treatment method for enhancing micro-aerobic methane-producing granular sludge |
-
2003
- 2003-10-27 CN CNU2003201104096U patent/CN2654598Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544452B (en) * | 2009-05-05 | 2011-10-05 | 浙江省环境保护科学设计研究院 | Composite anaerobic-aerobic process for treating waste paper making wastewater |
| CN101786722A (en) * | 2010-03-26 | 2010-07-28 | 云南师范大学 | Soft and hard double-bed double-filler anaerobic filter |
| CN106335957A (en) * | 2016-08-29 | 2017-01-18 | 昆明理工大学 | Assembly type reactor and application |
| CN108623088A (en) * | 2018-01-24 | 2018-10-09 | 湖南内特环保科技有限公司 | A kind of small flow medical waste water processing integrated apparatus and its wastewater treatment method |
| CN110845006A (en) * | 2019-12-10 | 2020-02-28 | 云南师范大学 | Multi-bed anaerobic reactor |
| CN111484133A (en) * | 2020-05-06 | 2020-08-04 | 太原理工大学 | Reaction system and treatment method for enhancing micro-aerobic methane-producing granular sludge |
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