CN105254014A - Multifunctional sewage treatment pond - Google Patents

Multifunctional sewage treatment pond Download PDF

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Publication number
CN105254014A
CN105254014A CN201510812814.XA CN201510812814A CN105254014A CN 105254014 A CN105254014 A CN 105254014A CN 201510812814 A CN201510812814 A CN 201510812814A CN 105254014 A CN105254014 A CN 105254014A
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CN
China
Prior art keywords
zone
aeration
biologic packing
sewage
aeration zone
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CN201510812814.XA
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Chinese (zh)
Inventor
孙乔良
孙海唯
孙海凌
孙海诺
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江苏合一水业有限公司
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Priority to CN201510812814.XA priority Critical patent/CN105254014A/en
Publication of CN105254014A publication Critical patent/CN105254014A/en

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Abstract

The invention relates to the technical field of sewage treatment, and provides a multifunctional sewage treatment pond. The multifunctional sewage treatment pond comprises a hydrolysis acidification zone, an anaerobic zone and an aeration zone, wherein the hydrolysis acidification zone, the anaerobic zone and the aeration zone are sequentially communicated and arranged; a plurality of first biological packings are arranged in the aeration zone; the first biological packing can allow biological bacteria to be implanted to adsorb and decompose pollutants in sewage; air can be blown into the aeration zone from bottom to top. Macromolecules in the sewage can be intercepted into micromolecules in the hydrolysis acidification zone; an insoluble substance is converted into a dissolved material; the biodegradability of the sewage is improved; anaerobic pollutants in the sewage can be consumed by anaerobic bacteria in the anaerobic zone; further glycolysis of the macromolecules can also be further carried out; the biological species in the aeration zone are increased by the first biological packings in the aeration zone; when the first biological packings suffer from driving force of the gas, the biological packings can collide gas bubbles in the sewage so that the gas bubbles are smaller and finer, and thus the quantity of the bubbles is increased, and the utilization rate of oxygen is increased.

Description

Multi-functional sewage treating pond
Technical field
The present invention relates to the technical field of sewage disposal, especially relate to multi-functional sewage treating pond.
Background technology
Sewage typically refers to and is subject to certain waste water that pollute, that discharge from life and production, and the principal pollutant contained in sewage include organic pollutants, oxygen consumption pollutent, anaerobism pollutent, plant pollution thing, toxic pollutant and radioactive pollutant, etc.
Sewage disposal is divided into coagulation, second-stage treatment, tertiary treatment, etc.; Wherein coagulation utilizes preliminary sedimentation tank, removed the oarse-grained foreign material of certain mass by gravity principle; Second-stage treatment is biological treatment, that is, utilize the organic macromolecule pollutent in biological method removal sewage, such as, adsorb, decompose or be oxidized, etc.
In prior art, second-stage treatment treatment tank function used is usually more single, such as: only play Decomposition, acidification or oxidizing reaction occurs, etc.; Function singleness, just makes treatment tank of the prior art only can process the pollutent of a certain or a certain class, and can not contain most pollutent, thus make the sewage entering subsequent process not reach requirement, reduces the effect of sewage purification.
Summary of the invention
The object of the present invention is to provide multi-functional sewage treating pond, to solve the treatment tank function singleness existed in prior art, only can process the technical problem of the pollutent of a certain or a certain class.
A kind of multi-functional sewage treating pond provided by the invention, comprising: acidication district, anaerobic zone and aeration zone, and described acidication district, described anaerobic zone are communicated with setting successively with described aeration zone;
The inside of described aeration zone is provided with multiple first biologic packing material, and described first biologic packing material can allow the pollutent in biological bacterium implantation, absorption, decomposition sewage, and can blow to the inside of described aeration zone from down to up in described aeration zone.
Further, also comprise aerobic area, described aerobic area is arranged between described anaerobic zone and described aeration zone, and is communicated with described aeration zone with described anaerobic zone.
Further, the circulation passage for making sewage sludge circulate is snakelike.
Further, described acidication district and described anaerobic zone, between described anaerobic zone and described aerobic area, between described aerobic area and described aeration zone, be provided with baffle;
Described baffle is crisscross arranged on the inner side-wall of the corresponding setting of described multi-functional sewage treating pond, and each described baffle only contacts with inner side-wall described in one of them and connects.
Further, the inside of described acidication district, described anaerobic zone and described aerobic area is provided with agitator.
Further, the inside of described acidication district, described anaerobic zone and described aerobic area is provided with active sludge and enters mouth and active sludge relief outlet, and described active sludge enters mouth with described active sludge relief outlet all for being connected with sewage sludge storage pond.
Further, the shape of described first biologic packing material is spherical, and the outside surface of described first biologic packing material is provided with multiple through hole.
Further, the inside of described first biologic packing material is provided with the second biologic packing material, and described second biologic packing material is for adsorbing, decomposing the pollutent in sewage; And described second biologic packing material is right-angled intersection is arranged on the inside of described first biologic packing material.
Further, described aeration zone also comprises lower bedstead and bed frame, and described bed frame and described lower bedstead are reticulated structure, and the plane at described lower bedstead place is higher than the plane at the puff port place of described aeration zone;
Described bed frame is all connected with the inner side-wall of described aeration zone with the end face of described lower bedstead, and described first biologic packing material is arranged in the spatial accommodation of described bed frame and described lower bedstead formation.
Further, described aeration zone also comprises aeration head, aeration tube and fan, and described fan is communicated with described aeration tube, and multiple described aeration head is communicated with described aeration tube and arranges, and multiple described aeration head is arranged on inner position on the lower, described aeration zone;
Described aerobic area also comprises blow head and induction pipe, and one end of described induction pipe is communicated with described aeration tube, and the other end is communicated with described blow head, and described blow head is arranged on inner position on the lower, described aerobic area; And being provided with valve between described aeration tube and described induction pipe, described valve is for opening and closing described induction pipe.
Compared with prior art, the beneficial effect that the present invention has is:
Multi-functional sewage treating pond provided by the invention, comprises acidication district, anaerobic zone and aeration zone, and sewage can pass through acidication district, anaerobic zone and aeration zone successively, and treated sewage finally flows into subsequent treatment process from aeration zone; Macromole in sewage can be retained into small molecules in acidication district, insolubles is converted into solute, improve the biodegradability of sewage; Anerobe in anaerobic zone can consume the pollutent of anaerobism in sewage, but also can glycolysis macromole further; The first biologic packing material in aeration zone, thus add the biological species in aeration zone, and, when first biologic packing material is subject to the impellent of gas, the gas bubbles in meeting downthrust sewage, thus make gas bubbles thinner less, increase the quantity of bubble, to increase the utilization ratio of oxygen.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the specific embodiment of the invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the multi-functional sewage treating pond that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the multi-functional sewage treating pond that Fig. 2 provides for another embodiment of the present invention.
Reference numeral:
1-acidication district; 2-anaerobic zone; 3-aerobic area;
4-aeration zone; 5-agitator; 6-active sludge enters mouth;
7-baffle; 8-valve;
31-blow head; 32-induction pipe; 41-bed frame;
Bedstead under 42-; 43-biologic packing material; 44-aeration head;
45-aeration tube; 46-fan.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, particular case above-mentioned term concrete meaning in the present invention can be understood.
The structural representation of the multi-functional sewage treating pond that Fig. 1 provides for the embodiment of the present invention; The structural representation of the multi-functional sewage treating pond that Fig. 2 provides for another embodiment of the present invention.
As shown in Figure 1-2, a kind of multi-functional sewage treating pond that the present embodiment provides, comprising: acidication district 1, anaerobic zone 2 and aeration zone 4, and acidication district 1, anaerobic zone 2 are communicated with setting successively with aeration zone 4; The inside of aeration zone 4 is provided with multiple first biologic packing material, and the first biologic packing material can allow the pollutent in biological bacterium implantation, absorption, decomposition sewage, and can blow to the inside of aeration zone 4 from down to up in aeration zone 4.
Before hydrolysis in acidication district 1 refers to that organism enters microorganism cells, the biochemical reaction carried out in extracellular, microorganism completes biocatalytic reaction by the outer free enzyme of release cells or the immobilized enzyme be linked on mantle; Acidifying is the fermenting process of a quasi-representative, the meta-bolites mainly various organic acid of microorganism.Macromole in sewage can retain and be decomposed into small molecules by acidication district 1, and insoluble substance is converted into dissolved substance, thus improves the biodegradability (B/C ratio) of sewage, is conducive to follow-up anaerobic treatment.
The treating processes of sewage in anaerobic zone 2 roughly can be divided into following several stage: the stage of producing acetic acid, methanogenic stage and glycolysis macromolecular stage, by the reaction of said process, macromolecule organic in sewage is decomposed into small molecules, remove the organism in sewage, reduce subsequent biological treatment biological load and about improving B/C ratio >=0.5 of its biochemical.
Aeration zone 4 is exactly constantly air is squeezed in sewage, or utilizes mechanical agitation to make the oxygen in air incorporate in sewage, and therefore, every component that can function as described above, can as the aeration zone 4 of the present embodiment indication.
First biologic packing material can Adsorption and decomposition pollutent, anaerobism pollutent, oxygen contaminants that of holding concurrently become reconciled oxygen contaminants that successively in the internal layer of the first biologic packing material, middle level, outerly form microbial film, thus reach the effect of absorption and degradation of contaminant, therefore, every filler that can realize above-mentioned effect, can as the first biologic packing material of the present embodiment indication.
As the preferred scheme of one, density can be selected close to the first biologic packing material of water, because when aeration, this first biologic packing material and water are complete mix suspending state, now, even if gentle agitation also can make the first biologic packing material with water free movement, the feature of large, the applicable microorganism adsorption of the effective ratio area had, implantation, biofilm formation growth, thus can adsorb better and degradation of contaminant; And the inside and outside of each first biologic packing material all has different biological species, usually, anerobe, double oxygen bacterium and aerobic bacteria is grown from inside to outside successively.
It should be noted that, in inside, aeration zone 4 except filling the first biologic packing material, multiple-microorganism bacterium can also be placed, such as: aerobic bacteria, anerobe and double oxygen bacterium, etc.; Aeration zone 4 can be blown into gas to its inside, and wherein its refers to aeration zone 4 itself.
It should be noted that, also directly can place MBBR (MovingBedBiofilmReactor, biofilm reactor) fluidized-bed in inside, aeration zone 4, MBBR fluidized-bed inside suspends and is provided with carrier, on this carrier, growth has each bacterioid, may be used for organics removal; And the carrier suspended can multiple-contact frequent with sewage, increase the chance of pollutent and carrier contact, thus more effectively purify waste water.
The multi-functional sewage treating pond that the present embodiment provides, comprises acidication district 1, anaerobic zone 2 and aeration zone 4, and sewage can pass through acidication district 1, anaerobic zone 2 and aeration zone 4 successively, and treated sewage finally flows into subsequent treatment process from aeration zone 4; Macromole in sewage can be retained into small molecules in acidication district 1, insolubles is converted into solute, improve the biodegradability of sewage; Anaerobism bacterial strain in anaerobic zone 2 can consume the pollutent of a part of ammonia nitrogen, nitrite etc. in sewage, but also can glycolysis macromole further; The first biologic packing material in aeration zone 4, mainly removes the pollutents such as COD, BOD, P, S.
On the basis of above-described embodiment, particularly, also comprise aerobic area 3, aerobic area 3 is arranged between anaerobic zone 2 and aeration zone 4, and is communicated with aeration zone 4 with anaerobic zone 2.Double oxygen flora can be cultivated in aerobic area 3, ammonia nitrogen, nitrites can be removed, COD crand BOD pollutent.
It should be noted that, in order to express easily, acidication district 1, anaerobic zone 2, aerobic area 3, aeration zone 4 are referred to as biotic district.
On the basis of above-described embodiment, particularly, the circulation passage for making sewage and mud circulate is snakelike.Design sewage flow passage for snakelike object one be to increase the time of sewage handled by each biotic district as far as possible because the time of stop is longer, sewage be cleaned more thorough, decontamination effect improving better.Two is regulate activated sludge concentration, and three is prevent mud heap buried and cause a large amount of microorganism live bacteria strains dead.
On the basis of above-described embodiment, particularly, as shown in the figure, acidication district 1 and anaerobic zone 2, between anaerobic zone 2 and aerobic area 3, between aerobic area 3 and aeration zone 4, be provided with baffle 7; Baffle 7 is crisscross arranged on the inner side-wall of the corresponding setting of multi-functional sewage treating pond, and each baffle 7 only contacts with one of them inner side-wall and connects.Above-mentioned baffle 7 is when constructing, and convenient formation, can save the time of construction.
Each biotic volume all can design by the HRT (the effect currency of sewage in each biotic district) required for biomass; When volume is 60m 3time, the time that sewage within it circulates is 4.1h (that is: HRT); Certainly, each biotic volume of specific design can also be carried out according to the situation of the sewage of sewage work's usually conduct, and sewage within it circulate HRT time value stop.
On the basis of above-described embodiment, particularly, the inside of acidication district 1, anaerobic zone 2 and aerobic area 3 is provided with agitator 5.Arranging agitator 5, for stirring mud and sewage, can accelerate reaction uniformity coefficient and the activity of pollutent in sewage and biological bacterial strain, thus make reaction more thorough, wastewater purifying efficiency is better.
On the basis of above-described embodiment, particularly, the inside of acidication district 1, anaerobic zone 2 and aerobic area 3 is provided with active sludge and enters mouth 6 and active sludge relief outlet, and active sludge enters mouth 6 with active sludge relief outlet all for being connected with sewage sludge storage pond.
Biological bacteria in each biotic district is along with the development of the process of disposing of sewage, the quantity of biological bacteria can reduce gradually, in order to prevent in sewage treatment process, biological bacteria quantity not sufficient and the bad situation of the wastewater purifying efficiency that causes occurs, therefore, active sludge is set in acidication district 1, anaerobic zone 2, aerobic area 3 and enters mouth 6, thus enter active sludge to its inside, this is because, containing the biological bacterial strain of various active in active sludge; When producing more mud in acidication district 1, anaerobic zone 2, aerobic area 3, can be discharged by active sludge relief outlet; Certainly, it should be noted that, it can be same mouth that active sludge enters mouth 6 with active sludge relief outlet.
Above-mentioned design, can not only solve biological bacteria quantity not sufficient and the undesirable technical problem of the wastewater purifying efficiency that causes, but also can recycle active sludge, thus increase the utilization ratio of active sludge.
On the basis of above-described embodiment, particularly, the shape of the first biologic packing material is spherical, and the outside surface of the first biologic packing material is provided with multiple through hole.
Spherical relative to other shape, when diameter is identical, specific surface area is maximum, and therefore, the first spherical biologic packing material adds the probability contacted with pollutent, thus absorption degradation pollutent more effectively.
The object that first biologic packing material arranges through hole is the inside that can freely go out or enter the first biologic packing material in order to ensure sewage, thus the inside and outside portion of the first biologic packing material also can be adsorbed and degradation of contaminant; And, sewage and gas can also be made in the circulation of the inside and outside of the first biologic packing material, increase the free air space of sewage and bacterial strain and gas, avoid the first biologic packing material quantity more, and hinder the flowing of sewage and gas.
Hollow the first biologic packing material with through hole, also the quality of the first biologic packing material can be alleviated, make it can blowing along with gas, and arbitrarily movement in water, thus increase the probability that the first biologic packing material collided and sheared the air bubble incorporated in sewage, make air bubble more carefully, less, more, add the utilization ratio of oxygen.
On the basis of above-described embodiment, particularly, the inside of the first biologic packing material is provided with the second biologic packing material, and the second biologic packing material is for adsorbing, decomposing the pollutent in sewage; And the second biologic packing material is right-angled intersection is arranged on the inside of the first biologic packing material.
Arrange the second biologic packing material in the inside of the first biologic packing material, the effect of this second biologic packing material is identical with the effect of the first biologic packing material, thus increases the surface-area of biologic packing material 43 further, can adsorb more pollutent.It should be noted that, the first biologic packing material and the second biologic packing material are referred to as biologic packing material 43.
The mode second biologic packing material being arranged on the first biologic packing material inside has a variety of selection, such as: grafting, one connect, etc.; The shape of certain second biologic packing material also can have multiple choices, such as: in tabular and outwards dispersed by the center of the first biologic packing material, spherical, etc.Right-angled intersection can also increase the biological total amount of biologic packing material 43 biotic population while being arranged on and increasing specific surface area.
On the basis of above-described embodiment, particularly, aeration zone 4 also comprises lower bedstead 42 and bed frame 41, and bed frame 41 and lower bedstead 42 are reticulated structure, and the plane at lower bedstead 42 place is higher than the plane at the puff port place of aeration zone 4; Bed frame 41 is all connected with the inner side-wall of aeration zone 4 with the end face of lower bedstead 42, and the first biologic packing material is arranged in the spatial accommodation of bed frame 41 and the formation of lower bedstead 42.
Biologic packing material 43 can form active biological film after having adsorbed more pollutent, when microbial film is thicker, can increase the weight of biologic packing material 43, and when weight is greater than the buoyancy of sewage to it, biologic packing material 43 can drop on the bottom of aeration zone 4; Therefore, the biologic packing material 43 be in bottom aeration zone 4 will become dead ball or dead film, thus cannot move, and after this, the pollutent that only can adsorb small amount even cannot at absorb polluted matter, thus make the biologic packing material 43 of this part purify waste water.
Owing to there is above-mentioned situation, therefore, make the plane at lower bedstead 42 place be located at the top of aeration zone 4 puff port, this just can guarantee that biologic packing material 43 is subject to the upwards blowing force of gas all the time, can be suspended in all the time in sewage to make biologic packing material 43.
Lower bedstead 42 is set, stop biologic packing material 43 to descend slowly and lightly downwards, and the puff port of aeration zone 4 is positioned at the below of lower bedstead 42; Bed frame 41 is set, when gas blowing force is larger, prevents biologic packing material 43 to be blown aeration zone 4 from top.
Lower bedstead 42 and bed frame 41 all arrange webbed structure, can not hinder the circulation of sewage, gas; It should be noted that, this reticulated structure, the diameter of mesh is less than the diameter of biologic packing material 43.
On the basis of above-described embodiment, particularly, also comprise row's foam pump, row's foam pump is floating to be arranged on above sewage, and row's foam pump is used for the foam of sucking-off sewage upper epidermis.
In sewage purification process, inevitably produce a large amount of foams, and these foams can swim in the top of the water surface; If foam volume is excessive, foam, when blowing from down to up, is likely blown to the outside of aeration zone 4 by aeration zone 4, thus contaminate environment; And a large amount of floatation of foam, on the water surface, also can reduce the ventilation property of aeration zone 4, makes the CO produced in sewage purification process 2, N 2be not easy to discharge Deng gas; Therefore, the row's of setting foam pump above sewage, discharges the foam produced with timely.
On the basis of above-described embodiment, particularly, the bottom of aeration zone 4 is also provided with active sludge relief outlet and active sludge enters mouth, in order to conditioning of mud concentration.
After biologic packing material 43 absorb polluted matter, microbial film can be formed on biologic packing material 43, through one end time or collide aging after, microbial film can split away off from biologic packing material 43, and the microbial film split away off can deposit to the bottom of aeration zone 4, forms mud.
When sludge quantity is too much, the circulation of gas in aeration zone 4 can be affected, therefore, need to arrange active sludge relief outlet in the bottom of aeration zone 4, so that discharge mud; Can connecting tube on active sludge relief outlet, the mud of discharge is entered in sewage sludge storage pond, gives over to follow-up use.
On the basis of above-described embodiment, particularly, aeration zone 4 also comprises aeration head 44, aeration tube 45 and fan 46, and fan 46 is communicated with aeration tube 45, multiple aeration head 44 is communicated with aeration tube 45 and arranges, and multiple aeration head 44 is arranged on position on the lower, inside, aeration zone 4; Aerobic area 3 also comprises blow head 31 and induction pipe 32, and one end of induction pipe 32 is communicated with aeration tube 45, and the other end is communicated with blow head 31, and blow head 31 is arranged on position on the lower, inside, aerobic area 3; And being provided with valve 8 between aeration tube 45 and induction pipe 32, valve 8 is for opening and closing induction pipe 32.
Fan 46 can to delivering gas in aeration tube 45, and multiple aeration head 44 is all communicated with aeration tube 45 and arranges, and therefore, each aeration head 44 can to the inside ejection gas of aeration zone 4; Inside to aeration zone 4 passes into air can stir sewage on the one hand, and the oxygen level that can increase on the other hand in sewage supplies biological bacterial strain oxygen consumption; Valve 8 can also be used for the air flow regulating induction pipe 22.
Owing to also needing the existence of a small amount of oxygen in aerobic area 3, and along with the carrying out of sewage treatment process, oxygen can reduce gradually, therefore, arranges blow head 31 and induction pipe 32, is blown into necessary a small amount of air in aerobic area 3, thus supplemental oxygen.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (10)

1. a multi-functional sewage treating pond, is characterized in that, comprising: acidication district, anaerobic zone and aeration zone, and described acidication district, described anaerobic zone are communicated with setting successively with described aeration zone;
The inside of described aeration zone is provided with multiple first biologic packing material, and described first biologic packing material can allow the pollutent in biological bacterium implantation, absorption, decomposition sewage, and can blow to the inside of described aeration zone from down to up in described aeration zone.
2. multi-functional sewage treating pond according to claim 1, is characterized in that, also comprise aerobic area, and described aerobic area is arranged between described anaerobic zone and described aeration zone, and is communicated with described aeration zone with described anaerobic zone.
3. multi-functional sewage treating pond according to claim 2, is characterized in that, the circulation passage circulated for making sewage sludge is snakelike.
4. multi-functional sewage treating pond according to claim 2, is characterized in that, described acidication district and described anaerobic zone, between described anaerobic zone and described aerobic area, is provided with baffle between described aerobic area and described aeration zone;
Described baffle is crisscross arranged on the inner side-wall of the corresponding setting of described multi-functional sewage treating pond, and each described baffle only contacts with inner side-wall described in one of them and connects.
5. the multi-functional sewage treating pond according to any one of claim 2-4, is characterized in that, the inside of described acidication district, described anaerobic zone and described aerobic area is provided with agitator.
6. the multi-functional sewage treating pond according to any one of claim 2-4, it is characterized in that, the inside of described acidication district, described anaerobic zone and described aerobic area is provided with active sludge and enters mouth and active sludge relief outlet, and described active sludge enters mouth with described active sludge relief outlet all for being connected with sewage sludge storage pond.
7. the multi-functional sewage treating pond according to any one of claim 2-4, is characterized in that, the shape of described first biologic packing material is spherical, and the outside surface of described first biologic packing material is provided with multiple through hole.
8. multi-functional sewage treating pond according to claim 7, is characterized in that, the inside of described first biologic packing material is provided with the second biologic packing material, and described second biologic packing material is for adsorbing, decomposing the pollutent in sewage; And described second biologic packing material is right-angled intersection is arranged on the inside of described first biologic packing material.
9. multi-functional sewage treating pond according to claim 8, it is characterized in that, described aeration zone also comprises lower bedstead and bed frame, and described bed frame and described lower bedstead are reticulated structure, and the plane at described lower bedstead place is higher than the plane at the puff port place of described aeration zone;
Described bed frame is all connected with the inner side-wall of described aeration zone with the end face of described lower bedstead, and described first biologic packing material is arranged in the spatial accommodation of described bed frame and described lower bedstead formation.
10. the multi-functional sewage treating pond according to any one of claim 2-4, it is characterized in that, described aeration zone also comprises aeration head, aeration tube and fan, described fan is communicated with described aeration tube, multiple described aeration head is communicated with described aeration tube and arranges, and multiple described aeration head is arranged on inner position on the lower, described aeration zone;
Described aerobic area also comprises blow head and induction pipe, and one end of described induction pipe is communicated with described aeration tube, and the other end is communicated with described blow head, and described blow head is arranged on inner position on the lower, described aerobic area; And being provided with valve between described aeration tube and described induction pipe, described valve is for opening and closing described induction pipe.
CN201510812814.XA 2015-11-20 2015-11-20 Multifunctional sewage treatment pond CN105254014A (en)

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Application publication date: 20160120