CN105110571A - Treatment system and method of high-concentration ammonia nitrogen organic wastewater - Google Patents
Treatment system and method of high-concentration ammonia nitrogen organic wastewater Download PDFInfo
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Abstract
The invention relates to the technical field of wastewater treatment and discloses a treatment system of high-concentration ammonia nitrogen organic wastewater. The system comprises a feed hopper (1), a homogenating tank (2), a methane tank (3), an upstream type anaerobic sludge bed reactor (4), a biological contact oxidation pond (5), a secondary sedimentation tank (11), a micro electrolytic reactor (10), a circular aeration biological filter (6) and an ozone disinfection tank (7), and the methane tank is connected with a sludge thickener (8). The invention further discloses a treatment method of the high-concentration ammonia nitrogen organic wastewater. The treatment method comprises anaerobic digestion treatment, activated sludge treatment, micro-electrolysis reaction, circular aeration biological filter biochemical treatment and ozone disinfection. The process is simple, the reaction process concentration gradient is large, and sludge is not prone to bulking; the capability to resist impact load is high, and the treatment effect is good; all working procedure time is controlled by adjusting the operation period, and at the same time, denitrification and phosphorus removal effects are remarkable.
Description
Technical field
The present invention relates to technical field of sewage, relate to the treatment system of ammonia nitrogen in high density organic waste water, particularly relate to the process reason method of ammonia nitrogen in high density organic waste water.
Background technology
Character and the source of ammonia nitrogen in high density organic waste water are different, and its Treatment process is also different.Usually can be divided into three major types according to the character of ammonia nitrogen in high density organic waste water and source: the first kind for not contain hazardous substance and to be easy to biodegradable ammonia nitrogen in high density organic waste water, as food industrial wastewater; Equations of The Second Kind is containing objectionable impurities and is easy to biodegradable ammonia nitrogen in high density organic waste water, as partial chemical industry and pharmacy industry waste water; 3rd class is for containing objectionable impurities and being not easy to biodegradable ammonia nitrogen in high density organic waste water, as organic chemistry compound probability and agricultural chemicals waste water.For be easy to biodegradable ammonia nitrogen in high density organic waste water, as in fermentable beer-production wastewater containing several thousand to several ten thousand COD, while ammonia nitrogen concentration also have hundreds of to arrive several thousand; Breeding wastewater ammonia nitrogen, COD, P are all very high; Also has in some pharmaceutical waste water feature all high while of having ammonia nitrogen and COD.The carbohydrate versions that pollutent in this kind of waste water mainly exists with solid-state, solubilised state exists, and makes waste water show very high BOD
5, CODCr, SS and colourity etc., pollutent biodegradable is good, in addition in waste water containing nutritive substances such as a large amount of N, P.
The ammonia nitrogen of this kind of water is very high simultaneously, the general object being reached removal of ammonia and nitrogen by stripping or biological denitrification process in conventional treatment process.Stripping process be for the ammonia nitrogen waste water of high density, still do not reach emission standard by its ammonia nitrogen concentration of the waste water after stripping, and running cost is higher.Biological denitrificaion needs ammonia nitrogen and organonitrogen to be oxidized to nitrate, removed by denitrifying process again, such process is applicable to the ammonia nitrogen of lower concentration and is the economic technology processing low-concentration ammonia-nitrogen, but when processing ammonia nitrogen in high density, Chi Ronghui is very large, and causes a large amount of consumption of goods and materials and the energy.Organic waste water at present to high-concentration ammonia-nitrogen, high COD concentration, adopt anaerobism COD can be changed into biogas, can save the organic processing costs of aerobic oxidation, be a kind of effective measure turning waste into wealth, reclaim the energy.Biogas has good calorific value, can as the fuel of boiler, generator.All more single for the treatment system of ammonia nitrogen in high density organic waste water at present, working cost is high.
Summary of the invention
The present invention is directed to the shortcoming of prior art, disclose a kind for the treatment of system of ammonia nitrogen in high density organic waste water, also disclose the treatment process of this kind of ammonia nitrogen in high density organic waste water.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
The treatment system of ammonia nitrogen in high density organic waste water, comprise hopper connected successively, homogenate pond, methane-generating pit, upflow anaerobic sludge blanket reactor, biological contact oxidation pond, second pond, micro-electrolysis reactor, annular BAF and ozonization pond, methane-generating pit is connected with sludge thickener; Methane-generating pit is also connected with biogas and only stores airing system, and biogas is only store airing system and comprised air water separator, methane-desulfurizing device, the first spark arrester, gas-holder successively, and air water separator also connects biogas supercharging device, the second spark arrester, waste-heat recovery device.
Ammonia nitrogen in high density organic waste water enters biological contact oxidation pond and continues organic degraded, biological contact oxidation pond is made up of anoxic pond (A pond) and Aerobic Pond (O pond), then ammonia nitrogen in high density organic waste water enters second pond, remove part ss suspended solid, reduce the load of subsequent disposal, secondary clarifier effluent enters micro-electrolysis reactor.
Biogas is only store airing system and is adopted low pressure desulfurization and high pressure dehydration technique, can be widely used in biogas, natural gas gathering, storage and application, can realize adjustable constant voltage air feed, easily control, easy to use, uses gas effect stability.
By being discharged by water after the sterilization of ozonization pond, it effectively can kill a large amount of microorganism in water and bacterium, improves ammonia nitrogen in high density organic wastewater purifying intensity again.
Be provided with water-in bottom micro-electrolysis reactor, upside is provided with water outlet, and micro-electrolysis reactor adopts bottom water inlet, top water-out manners, and iron and carbon are filled in inside, pond.Light electrolysis be utilize iron, charcoal has microbattery reaction, throwing out, to reduce the content of COD and decolorizing effect obvious.
As preferably, annular BAF comprises round shape pond body, and round shape pond body is provided with concentric cylinder and round shape pond body is divided into the first filter tank and the second filter tank from inside to outside successively; First filter tank is the first anaerobic filter; Second filter tank is provided with dividing plate, second filter tank is divided into anoxic filter tank, the first aerobic filter tank and the second aerobic filter tank by dividing plate, first filter tank is connected with water-in, first filter tank communicates with anoxic filter tank, connect successively in anoxic filter tank, the first aerobic filter tank and the second aerobic filter tank, the second aerobic filter tank is provided with outlet.Anaerobism, anoxic and aerobic three grades of BAF are integrated in a double-layered cylinder pond body by annular BAF, and anaerobic zone main decomposition organism removes most COD, BOD; Reduce the ammonia-nitrogen content of water outlet simultaneously.But exist because filter tank spatially belongs to anaerobism, anoxic and aerobic environment simultaneously, and aeration rate can also be regulated to cultivate aerobic denitrifying bacteria and nitrification bacteria, realize synchronous nitration and denitrification.
Anoxic filter tank, the first aerobic filter tank and the second aerobic filter tank water (flow) direction are upward flowing type, lower to streaming and upward flowing type successively.During operation, current are upper and lower to alternately flowing, fully contact, retained by the nutritive elements such as the suspended substance in waste water, organism and nitrogen phosphorus, adsorb, oxygenolysis or conversion processing with the microbial film of filling surface, obtain the water outlet meeting emission standard.Whole equipment is applied widely, treatment effect good, convenient operation and management, and surplus sludge volume is few, takes up an area little, and invest little, running expense is low, little on the impact of surrounding environment.
As preferably, the first filter tank open top, the first filter tank is provided with distributing trough, the first packing layer and the first supporting layer from top to bottom successively, and the first packing layer is provided with anerobe, is provided with the first water hole bottom the first filter tank.Be easy to blocking in order to avoid biological filter, shorten the problem of pressure cycle, the anaerobic zone of equipment nexine can retain fraction solids suspended substance, reduces the SS entering BAF aerobic section, the cycle of operation of extension reactor; Meanwhile, utilize the anaerobion of anaerobic zone filter material surface, the macromolecule organic of difficult degradation can be hydrolyzed into the small organic molecule of easily degraded, improve the biodegradability of waste water.
As preferably, the first filter tank is communicated with anoxic filter tank by the first water hole; Top, anoxic filter tank is provided with the first overflow weir, and anoxic filter tank connects the first aerobic filter tank by the first overflow weir; First aerobic filter tank is provided with the second water hole, and the first aerobic filter tank connects the second aerobic filter tank by the second water hole, is provided with outlet slot on the upside of the second aerobic filter tank.
Second filter tank comprises the second packing layer, be located at catch net on the upside of the second packing layer, be located at the second supporting layer on the downside of the second packing layer; Equal load aerobic microbiological on second packing layer in the first aerobic filter tank and the second aerobic filter tank; Aeration tube is equipped with in second supporting layer in the first aerobic filter tank and the second aerobic filter tank.
As preferably, upflow anaerobic sludge blanket reactor is provided with triphase separator.Upflow anaerobic sludge blanket reactor is provided with triphase separator, bottom water inlet, top water outlet, ammonia nitrogen in high density organic waste Organic substance in water fully contacts with anaerobion, is conducive to organic decomposition, and ammonia nitrogen in high density organic waste water enters and continues organic degraded.
As preferably, methane-generating pit top is provided with backflow sprinkling system and water outlet, is provided with whipping appts and mud discharging mouth bottom methane-generating pit, and mud discharging mouth connects sludge thickener.Be provided with whipping appts bottom methane-generating pit, make ammonia nitrogen in high density organic waste water groove before anaerobic fermentation system form the state mixed completely, to reach good removal effect.Methane-generating pit top is provided with backflow sprinkling system, stirs to reach internal recycle and prevents scum silica frost from crusting.Methane-generating pit top is provided with water outlet, and bottom is provided with mud discharging mouth, and the sediment produced in anaerobic digestion process is discharged to sludge thickener by mud discharging mouth, takes away after precipitation concentration through sludge pump.
As preferably, between methane-generating pit and upflow anaerobic sludge blanket reactor, be provided with equalizing tank.
As preferably, biological contact oxidation pond comprises anoxic pond and Aerobic Pond, and anoxic pond is connected by pipeline with Aerobic Pond.Mainly carry out the release of phosphorus in anoxic pond, the concentration of Phosphorus From Wastewater is raised, and deliquescent organism is made the BOD density loss in waste water by Cell uptake; Part NH in addition
3-N is removed because of the synthesis of cell, makes the NH in waste water
3-N density loss.In Aerobic Pond, organism is oxidized by microbial biochemical, and continues to decline; Organonitrogen is then nitrated by ammonification, makes NH
3-N concentration significantly declines, but makes NO along with nitrifying process
3-N concentration increases, and phosphorus is along with the excess ingestion of polyP bacteria, and also speed declines faster.So, A
2/ O technique can complete the functions such as organic removal, denitrifying denitrogenation, excess ingestion removal phosphorus simultaneously, and the prerequisite of denitrogenation is NH
3-N should be completely nitrated, and Aerobic Pond can complete this function.
The treatment process of ammonia nitrogen in high density organic waste water, comprises the following steps,
A. Anaerobic Digestion:
Ammonia nitrogen in high density organic waste water enters homogenate pond by hopper, under the whipping appts stirring action in homogenate pond after allotment evenly, passes into methane-generating pit;
Under the effect of the whipping appts of ammonia nitrogen in high density organic waste water in methane-generating pit, backflow sprinkling system, form admixture, the sediment produced in anaerobic digestion process is discharged to sludge thickener by mud discharging mouth, sediment is taken away through sludge pump after precipitation concentration, and remaining ammonia nitrogen in high density organic waste water then passes into upflow anaerobic sludge blanket reactor; Whipping appts makes ammonia nitrogen in high density organic waste water form the state mixed completely at front groove, to reach good removal effect.Backflow sprinkling system, stirs to reach internal recycle and prevents scum silica frost from crusting.
Organic substance decomposing in remaining ammonia nitrogen in high density organic waste water is become methane and carbon dioxide with under the acting in conjunction of methanogen by ammonia nitrogen in high density organic waste water anerobe, oxygen bacterium of holding concurrently in upflow anaerobic sludge blanket reactor, collects the methane and carbon dioxide produced; Upflow anaerobic sludge blanket reactor is medium loading area, adopts UASB reactor.Upflow anaerobic sludge blanket reactor is provided with triphase separator, bottom water inlet, top water outlet, organic substance decomposing is become methane and carbon dioxide (biogas main component) under anerobe, the hold concurrently absorption of oxygen bacterium, fermentation, methane phase acting in conjunction by ammonia nitrogen in high density organic waste water in anoxic pond, the B/C value of ammonia nitrogen in high density organic waste water is improved by anaerobic treatment, improve the biodegradability of ammonia nitrogen in high density organic waste water, the methane and carbon dioxide of generation collects to obtain biogas by gas collector.
B. biological contact oxidation pond process:
Ammonia nitrogen in high density organic waste water enters biological contact oxidation pond degradation of organic substances, and ammonia nitrogen in high density organic waste water then enters second pond, removes part ss suspended solid, reduces the load of subsequent disposal.Mainly carry out the release of phosphorus in anoxic pond, the concentration of Phosphorus From Wastewater is raised, and deliquescent organism is made the BOD density loss in waste water by Cell uptake; Part NH in addition
3-N is removed because of the synthesis of cell, makes the NH in waste water
3-N density loss.In Aerobic Pond, organism is oxidized by microbial biochemical, and continues to decline; Organonitrogen is then nitrated by ammonification, makes NH
3-N concentration significantly declines, but makes NO along with nitrifying process
3-N concentration increases, and phosphorus is along with the excess ingestion of polyP bacteria, and also speed declines faster.So biological contact oxidation pond can complete the functions such as organic removal, denitrifying denitrogenation, excess ingestion removal phosphorus, and the prerequisite of denitrogenation is NH simultaneously
3-N should be completely nitrated, and Aerobic Pond can complete this function.
C. micro-electrolysis reaction:
Ammonia nitrogen in high density organic waste water then enters micro-electrolysis reactor bottom micro-electrolysis reactor, redox reaction occurs, solvable Substance Transformation is become indissoluble or slightly soluble material, by throwing out precipitation, removing; Macromolecular substance is decomposed into small-molecule substance;
Micro-electrolysis reactor adopts water inlet top, bottom water-out manners, and iron and carbon are filled in inside, pond.Micro electrolysis tech be utilize iron, charcoal have microbattery reaction, throwing out.In micro-electrolysis reactor, reaction product has very high chemically reactive, at anode, and the nascent state Fe of generation
2+; At negative electrode, the activity [H] of generation, utilizes the potential difference that the two poles of the earth produce, and in ammonia nitrogen in high density organic waste water, many pollutent component generation redox reactions, make solvable Substance Transformation become indissoluble or slightly soluble material, by the removing of throwing out precipitation; Macromolecular substance is made to be decomposed into small-molecule substance; Make the mass transfer of some bio-refractory become easy to handle material, while improving ammonia nitrogen in high density organic waste water biodegradability, colourity is also reduced.
D. annular BAF biochemical treatment:
Ammonia nitrogen in high density organic waste water after micro-electrolysis reaction enters annular BAF, is purified ammonia nitrogen in high density organic waste water by oxidation degradation effect, removes COD, SS, ammonia nitrogen and phosphorus further;
E. ozonization:
Ammonia nitrogen in high density organic waste water after annular BAF biochemical treatment, water outlet again through ozonization process, the ammonia nitrogen in high density organic waste water after being purified.Waste water is after annular BAF biochemical treatment, and water outlet, again through ozonization process, effectively can be killed a large amount of microorganism in water and bacterium, can remove colourity further.
F. biogas stores airing system only: can produce a large amount of biogas in the anaerobic digestion stage, only store airing system by pipeline access biogas after unified collection, this system comprises biogas gas-water separator, methane-desulfurizing device, gas-holder, biogas supercharging device, sewage gas flame arrestor, waste-heat recovery device etc.Marsh gas purifying adopts low pressure desulfurization and high pressure dehydration technique, whole system has concentrated the advantage of low pressure wet type cabinet and waterless gas-holder, biogas, natural gas gathering, storage and application can be widely used in, adjustable constant voltage air feed can be realized, easily control, easy to use, use gas effect stability.Biogas can be fallen be used for generating electricity, reduce ammonia nitrogen in high density treatment of Organic Wastewater cost.
Compared with prior art, beneficial effect of the present invention is:
Ammonia nitrogen in high density organic waste water enters in homogenate pond by hopper, anaerobic fermentation system is squeezed under stirring after allotment evenly, methane-generating pit and upflow anaerobic sludge blanket reactor are referred to as anaerobic fermentation system and take front groove, and anaerobic fermentation system takes front groove (i.e. methane-generating pit) and pit (i.e. upflow anaerobic sludge blanket reactor) design.Methane-generating pit is high load region.Be provided with whipping appts bottom methane-generating pit, make ammonia nitrogen in high density organic waste water groove before anaerobic fermentation system form the state mixed completely, to reach good removal effect.Methane-generating pit top is provided with backflow sprinkling system, stirs to reach internal recycle and prevents scum silica frost from crusting.Methane-generating pit top is provided with water outlet, and bottom is provided with mud discharging mouth, and the sediment produced in anaerobic digestion process is discharged to sludge thickener by mud discharging mouth, takes away after precipitation concentration through sludge pump.Upflow anaerobic sludge blanket reactor is medium loading area, be provided with triphase separator, bottom water inlet, top water outlet, ammonia nitrogen in high density organic waste Organic substance in water fully contacts with anaerobion, be conducive to organic decomposition, ammonia nitrogen in high density organic waste water then enters micro-electrolysis reactor bottom micro-electrolysis reactor, and redox reaction occurs, solvable Substance Transformation is become indissoluble or slightly soluble material, by throwing out precipitation, removing; Macromolecular substance is decomposed into small-molecule substance; Then ammonia nitrogen in high density organic waste water enters biological contact oxidation pond, complete the functions such as organic removal, denitrifying denitrogenation, excess ingestion removal phosphorus, enter micro-electrolysis reactor again, micro-electrolysis reactor adopts bottom water inlet, top water-out manners, and iron and carbon are filled in inside, pond.Light electrolysis be utilize iron, charcoal has microbattery reaction, throwing out, to reduce the content of COD and decolorizing effect obvious.Then annular BAF (CBAF) is entered, annular BAF (CBAF) integrates aeration, fast filtering, suspended substance retain, two expose to the sun two heavy, regularly recoil, it is the circulation denitrogenation dephosphorizing reactor of a kind of typical high loading, submerged, immobilization biological bed, waste water after process is better than emission standard, can realize Treated sewage reusing.
The present invention includes hopper connected successively, homogenate pond, methane-generating pit, upflow anaerobic sludge blanket reactor, biological contact oxidation pond, second pond, micro-electrolysis reactor, annular BAF and ozonization pond, methane-generating pit is connected with sludge thickener, technique is simple, reaction process concentration gradient is large, not easily sludge bulking occurs; Anti-load impact ability is strong, and treatment effect is good; By adjust operation cycle and the length controlling each activity time, denitrogenation simultaneously, phosphor-removing effect obviously, and do not need additionally to increase reactor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of annular BAF.
Fig. 3 is the sectional view of A-A in Fig. 2.
Fig. 4 is the sectional view of B-B in Fig. 2.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Embodiment 1
The treatment system of ammonia nitrogen in high density organic waste water, as Figure 1-4, comprise hopper 1 connected successively, homogenate pond 2, methane-generating pit 3, upflow anaerobic sludge blanket reactor 4, biological contact oxidation pond 5, second pond 11, micro-electrolysis reactor 10, annular BAF 6 and ozonization pond 7, methane-generating pit is connected with sludge thickener 8; Methane-generating pit 3 is also connected with biogas and only stores airing system, biogas is only store airing system and is comprised air water separator 91, methane-desulfurizing device 92, first spark arrester 931, gas-holder 94 successively, and air water separator 91 also connects biogas supercharging device 95, second spark arrester 932, waste-heat recovery device 96.
Embodiment 2
The treatment system of ammonia nitrogen in high density organic waste water, as shown in Figure 1, comprise hopper 1 connected successively, homogenate pond 2, methane-generating pit 3, upflow anaerobic sludge blanket reactor 4, biological contact oxidation pond 5, second pond 11, micro-electrolysis reactor 10, annular BAF 6 and ozonization pond 7, methane-generating pit is connected with sludge thickener 8, is provided with equalizing tank 12 between methane-generating pit 3 and upflow anaerobic sludge blanket reactor 4.Methane-generating pit 3 is also connected with biogas and only stores airing system, biogas is only store airing system and is comprised air water separator 91, methane-desulfurizing device 92, first spark arrester 931, gas-holder 94 successively, and air water separator 91 also connects biogas supercharging device 95, second spark arrester 932, waste-heat recovery device 96.
Annular BAF 6 comprises round shape pond body 61, and round shape pond body 61 is provided with concentric cylinder 62 and round shape pond body 61 is divided into the first filter tank 63 and the second filter tank from inside to outside successively; First filter tank 63 is the first anaerobic filter; Second filter tank is provided with dividing plate 644, second filter tank is divided into anoxic filter tank 641, first aerobic filter tank 642 and the second aerobic filter tank 643 by dividing plate 644, first filter tank is connected with water-in 6311, first filter tank 63 communicates with anoxic filter tank 641, connect successively in aerobic filter tank 642, anoxic filter tank 641, first and the second aerobic filter tank 643, the second aerobic filter tank 643 is provided with outlet.
First filter tank 63 open top, the first filter tank 63 is provided with distributing trough 631, first packing layer 632 from top to bottom successively and the first supporting layer 633, first packing layer 632 is provided with anerobe, is provided with the first water hole 634 bottom the first filter tank 63.First filter tank 63 is communicated with anoxic filter tank 641 by the first water hole 634; Top, anoxic filter tank 641 is provided with the first overflow weir 6411, and anoxic filter tank 641 connects the first aerobic filter tank 642 by the first overflow weir 6411; First aerobic filter tank 642 is provided with the second aerobic filter tank 642 of water hole 6421, first and is connected on the upside of the second aerobic filter tank 643, aerobic filter tank 643, second by the second water hole 6421 and be provided with outlet slot 6431.
Methane-generating pit 3 top is provided with backflow sprinkling system and water outlet, is provided with whipping appts and mud discharging mouth bottom methane-generating pit 3, and mud discharging mouth connects sludge thickener 8.Upflow anaerobic sludge blanket reactor 4 is provided with triphase separator.
Embodiment 3
The treatment process of ammonia nitrogen in high density organic waste water, as Figure 1-4, comprises the following steps:
A. Anaerobic Digestion:
Ammonia nitrogen in high density organic waste water enters homogenate pond 2 by hopper 1, under the whipping appts stirring action in homogenate pond 2 after allotment evenly, passes into methane-generating pit 3;
Under the effect of the whipping appts of ammonia nitrogen in high density organic waste water in methane-generating pit 3, backflow sprinkling system, form admixture, the sediment produced in anaerobic digestion process is discharged to sludge thickener 8 by mud discharging mouth, sediment is taken away through sludge pump after precipitation concentration, and remaining ammonia nitrogen in high density organic waste water then passes into upflow anaerobic sludge blanket reactor 4;
Organic substance decomposing in remaining ammonia nitrogen in high density organic waste water is become methane and carbon dioxide with under the acting in conjunction of methanogen by ammonia nitrogen in high density organic waste water anerobe, oxygen bacterium of holding concurrently in upflow anaerobic sludge blanket reactor 4, collects the methane and carbon dioxide produced;
B. biological contact oxidation pond process: ammonia nitrogen in high density organic waste water enters biological contact oxidation pond 5 degradation of organic substances, and ammonia nitrogen in high density organic waste water then enters second pond 11, removes part ss suspended solid;
C. micro-electrolysis reaction:
Ammonia nitrogen in high density organic waste water then enters micro-electrolysis reactor 10 bottom micro-electrolysis reactor 10, there is redox reaction, solvable Substance Transformation is become indissoluble or slightly soluble material, by throwing out precipitation, removing, macromolecular substance is decomposed into small-molecule substance;
D. annular BAF biochemical treatment:
Ammonia nitrogen in high density organic waste water after micro-electrolysis reaction enters annular BAF 6, is purified ammonia nitrogen in high density organic waste water by oxidation degradation effect, removes COD, SS, ammonia nitrogen and phosphorus further;
E. ozonization:
Ammonia nitrogen in high density organic waste water after annular BAF biochemical treatment, water outlet again through ozonization process, the ammonia nitrogen in high density organic waste water after being purified.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (9)
1. the treatment system of ammonia nitrogen in high density organic waste water, it is characterized in that: comprise be connected successively hopper (1), homogenate pond (2), methane-generating pit (3), upflow anaerobic sludge blanket reactor (4), biological contact oxidation pond (5), second pond (11), micro-electrolysis reactor (10), annular BAF (6) and ozonization pond (7), methane-generating pit is connected with sludge thickener (8); Methane-generating pit (3) is also connected with biogas and only stores airing system, biogas is only store airing system and is comprised air water separator (91), methane-desulfurizing device (92), the first spark arrester (931), gas-holder (94) successively, and air water separator (91) also connects biogas supercharging device (95), the second spark arrester (932), waste-heat recovery device (96).
2. the treatment system of ammonia nitrogen in high density organic waste water according to claim 1, it is characterized in that: annular BAF (6) comprises round shape pond body (61), round shape pond body (61) is provided with concentric cylinder (62) and round shape pond body (61) is divided into the first filter tank (63) and the second filter tank from inside to outside successively; First filter tank (63) is the first anaerobic filter; Second filter tank is provided with dividing plate (644), second filter tank is divided into anoxic filter tank (641), the first aerobic filter tank (642) and the second aerobic filter tank (643) by dividing plate (644), first filter tank is connected with water-in (6311), first filter tank (63) communicates with anoxic filter tank (641), connect successively in anoxic filter tank (641), the first aerobic filter tank (642) and the second aerobic filter tank (643), the second aerobic filter tank (643) is provided with outlet.
3. the treatment system of ammonia nitrogen in high density organic waste water according to claim 2, it is characterized in that: the first filter tank (63) open top, first filter tank (63) is provided with distributing trough (631), the first packing layer (632) and the first supporting layer (633) from top to bottom successively, first packing layer (632) is provided with anerobe, and the first filter tank (63) bottom is provided with the first water hole (634).
4. the treatment system of ammonia nitrogen in high density organic waste water according to claim 2, is characterized in that: the first filter tank (63) are communicated with anoxic filter tank (641) by the first water hole (634); Anoxic filter tank (641) top is provided with the first overflow weir (6411), and anoxic filter tank (641) connect the first aerobic filter tank (642) by the first overflow weir (6411); First aerobic filter tank (642) is provided with the second water hole (6421), first aerobic filter tank (642) connects the second aerobic filter tank (643) by the second water hole (6421), and the second upside, aerobic filter tank (643) is provided with outlet slot (6431).
5. the treatment system of ammonia nitrogen in high density organic waste water according to claim 1, is characterized in that: upflow anaerobic sludge blanket reactor (4) is provided with triphase separator.
6. the treatment system of ammonia nitrogen in high density organic waste water according to claim 1, it is characterized in that: methane-generating pit (3) top is provided with backflow sprinkling system and water outlet, methane-generating pit (3) bottom is provided with whipping appts and mud discharging mouth, and mud discharging mouth connects sludge thickener (8).
7. the treatment system of ammonia nitrogen in high density organic waste water according to claim 1, is characterized in that: be provided with equalizing tank (12) between methane-generating pit (3) and upflow anaerobic sludge blanket reactor (4).
8. the treatment system of ammonia nitrogen in high density organic waste water according to claim 1, is characterized in that: biological contact oxidation pond (5) comprises anoxic pond and Aerobic Pond, and anoxic pond is connected by pipeline with Aerobic Pond.
9. the treatment process of ammonia nitrogen in high density organic waste water, is characterized in that: comprise the following steps,
A. Anaerobic Digestion:
Ammonia nitrogen in high density organic waste water enters homogenate pond (2) by hopper (1), under the whipping appts stirring action of homogenate pond (2) after allotment evenly, passes into methane-generating pit (3);
Under the effect of the whipping appts of ammonia nitrogen in high density organic waste water in methane-generating pit (3), backflow sprinkling system, form admixture, the sediment produced in anaerobic digestion process is discharged to sludge thickener (8) by mud discharging mouth, sediment is taken away through sludge pump after precipitation concentration, and remaining ammonia nitrogen in high density organic waste water then passes into upflow anaerobic sludge blanket reactor (4);
Organic substance decomposing in remaining ammonia nitrogen in high density organic waste water is become methane and carbon dioxide with under the acting in conjunction of methanogen by ammonia nitrogen in high density organic waste water anerobe, oxygen bacterium of holding concurrently in upflow anaerobic sludge blanket reactor (4), collects the methane and carbon dioxide produced;
B. biological contact oxidation pond process: ammonia nitrogen in high density organic waste water enters biological contact oxidation pond (5) degradation of organic substances, ammonia nitrogen in high density organic waste water then enters second pond (11), removes part ss suspended solid;
C. micro-electrolysis reaction:
Ammonia nitrogen in high density organic waste water then enters micro-electrolysis reactor (10) from micro-electrolysis reactor (10) bottom, there is redox reaction, solvable Substance Transformation is become indissoluble or slightly soluble material, by throwing out precipitation, removing, macromolecular substance is decomposed into small-molecule substance;
D. annular BAF biochemical treatment:
Ammonia nitrogen in high density organic waste water after micro-electrolysis reaction enters annular BAF (6), is purified ammonia nitrogen in high density organic waste water by oxidation degradation effect, removes COD, SS, ammonia nitrogen and phosphorus further;
E. ozonization:
Ammonia nitrogen in high density organic waste water after annular BAF biochemical treatment, water outlet again through ozonization process, the ammonia nitrogen in high density organic waste water after being purified.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819626A (en) * | 2016-05-09 | 2016-08-03 | 杭州鼎隆环保科技有限公司 | Combined customized sewage disposal system |
| CN106430565A (en) * | 2016-09-19 | 2017-02-22 | 同济大学 | Combined treatment process for sewage low-consumption treatment and energy recovery based on direct carbon source conversion and biological nitrogen removal |
| CN109133528A (en) * | 2018-09-30 | 2019-01-04 | 常州大学 | A kind of fuel ethanol wastewater processing unit |
| CN110127942A (en) * | 2019-05-20 | 2019-08-16 | 湖北威尔达海绵城市建设有限公司 | A kind of intelligent comprehensive sewage disposal system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642925A (en) * | 2012-04-28 | 2012-08-22 | 重庆大学 | Annular aeration biological filter sewage low carbon treatment reactor |
| CN202830024U (en) * | 2012-08-17 | 2013-03-27 | 滕昆辰 | Anaerobic digestion integrated device for organic household garbage |
| CN204125291U (en) * | 2014-07-15 | 2015-01-28 | 上海敏慎环保科技有限公司 | A kind of Waste Water Treatment |
| CN204625429U (en) * | 2015-04-02 | 2015-09-09 | 昆山捷斯安环保科技有限公司 | Sewage disposal suite of equipment |
-
2015
- 2015-09-16 CN CN201510591493.5A patent/CN105110571A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642925A (en) * | 2012-04-28 | 2012-08-22 | 重庆大学 | Annular aeration biological filter sewage low carbon treatment reactor |
| CN202830024U (en) * | 2012-08-17 | 2013-03-27 | 滕昆辰 | Anaerobic digestion integrated device for organic household garbage |
| CN204125291U (en) * | 2014-07-15 | 2015-01-28 | 上海敏慎环保科技有限公司 | A kind of Waste Water Treatment |
| CN204625429U (en) * | 2015-04-02 | 2015-09-09 | 昆山捷斯安环保科技有限公司 | Sewage disposal suite of equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819626A (en) * | 2016-05-09 | 2016-08-03 | 杭州鼎隆环保科技有限公司 | Combined customized sewage disposal system |
| CN106430565A (en) * | 2016-09-19 | 2017-02-22 | 同济大学 | Combined treatment process for sewage low-consumption treatment and energy recovery based on direct carbon source conversion and biological nitrogen removal |
| CN109133528A (en) * | 2018-09-30 | 2019-01-04 | 常州大学 | A kind of fuel ethanol wastewater processing unit |
| CN110127942A (en) * | 2019-05-20 | 2019-08-16 | 湖北威尔达海绵城市建设有限公司 | A kind of intelligent comprehensive sewage disposal system |
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Application publication date: 20151202 |