CN205035223U - System for organic waste water is handled in little electrolysis combination of application anaerobism - good oxygen - - Google Patents
System for organic waste water is handled in little electrolysis combination of application anaerobism - good oxygen - Download PDFInfo
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- CN205035223U CN205035223U CN201520718251.3U CN201520718251U CN205035223U CN 205035223 U CN205035223 U CN 205035223U CN 201520718251 U CN201520718251 U CN 201520718251U CN 205035223 U CN205035223 U CN 205035223U
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Abstract
The utility model relates to a sewage treatment technical field discloses a system for organic waste water is handled in little electrolysis combination of application anaerobism - good oxygen -, including consecutive feeder hopper (1), pulp homogenizing pool (2), methane -generating pit (3), upflow anaerobic sludge blanket (4), circulation activated sludge process reaction tank (5), micro electrolytic reactor (10), baffled biological aerated filter (6) and ozone disinfection pond (7), be equipped with the elevator pump in pulp homogenizing pool (2), the elevator pump links to each other with methane -generating pit (3), and the methane -generating pit is connected with sludge tihckener (8). The utility model discloses simple process, reaction sequence concentration gradient is big, the difficult sludge bulking that takes place, anti load shock ability reinforce, the treatment effect is good, through adjustment cycle of operation and control the length of each process time, BBAF denitrogenation simultaneously, dephosphorization effect are obvious.
Description
Technical field
The utility model relates to technical field of sewage, has particularly related to the system of utilization anaerobic-aerobic-light electrolysis combined treatment organic waste water.
Background technology
The high concentrated organic wastewater in different properties and source, administering method is not identical yet.Usually can be divided into three major types according to the character of high concentrated organic wastewater and source: the first kind for not contain hazardous substance and to be easy to biodegradable high concentrated organic wastewater, as food industrial wastewater; Equations of The Second Kind is containing objectionable impurities and is easy to biodegradable high concentrated organic wastewater, as partial chemical industry and pharmacy industry waste water; 3rd class for containing objectionable impurities and not easily biodegradable high concentrated organic wastewater, as organic chemistry compound probability and agricultural chemicals waste water.For being easy to biodegradable high concentrated organic wastewater, as the COD containing several thousand to several ten thousand in fermentable beer-production wastewater, ammonia nitrogen concentration also has hundreds of to arrive several thousand simultaneously; 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, COD
cr, SS and colourity etc., pollutent biodegradable is good, in addition in waste water containing nutritive substances such as a large amount of N, P.In addition, also there is following shortcoming in the method for existing process high concentrated organic wastewater: 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.
Summary of the invention
The utility model, for the shortcoming of prior art, discloses a kind of system using anaerobic-aerobic-light electrolysis combined treatment organic waste water.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
Use the system of anaerobic-aerobic-light electrolysis combined treatment organic waste water, comprise hopper connected successively, homogenate pond, methane-generating pit, upflow anaerobic sludge blanket reactor, cyclic activated sludge process reaction tank, micro-electrolysis reactor, baffled biological aerated filter and ozonization pond, methane-generating pit is connected with sludge thickener; Homogenate is provided with lift pump in pond, lift pump is connected with methane-generating pit, methane-generating pit is also connected with biogas and only stores airing system, biogas is only store airing system and is 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.
CASS reaction tank (also known as cyclic activated sludge process reaction tank), it is the abbreviation of cyclic activated sludge system, be also called circulating active sludge technique, grow up on the basis of SBR, namely in SBR pond, feed-water end adds a biological selector, achieve continuum micromeehanics (precipitation phase, drainage period are still continuum micromeehanics), intermittent drainage.The main purpose of biological selector makes Systematic selection go out flocculence bacterium, and its volume accounts for 10% of whole pond.The technological process of biological selector follows the Matrix accumulation of active sludge---renewal theory, make active sludge in selector switch, experience the absorption phase (Matrix accumulation) of a high loading, a substrate degradation stage compared with underload is experienced subsequently, to complete whole process and the mud regeneration of whole substrate degradation in main reaction region.
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 purification of waste water 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, baffled biological aerated filter comprises two-stage aerated biological filter and water hole, and two-stage aerated biological filter is communicated with by the water hole of downside; Two-stage aerated biological filter is equipped with packing layer and the first aeration tube, and packing layer the first packing layer and the second packing layer successively from top to bottom, the first packing layer is fixed with microorganism and/or biological enzyme.The utility model completes nitrification and denitrification effect in same BAF, achieves COD, SS, NH
3the synchronous removal of-N and TN.Two-stage aerated biological filter also comprises and is located at catch net on the upside of packing layer, is located at supporting layer on the downside of packing layer; Be located at the filter plate on the downside of supporting layer, between supporting layer and filter plate, be provided with aeration tube.Be provided with aeration tube between supporting layer and filter plate, adopt perforated pipe gas distribution, by the even gas distribution of device, solve that bias current, filler are uneven, tracheae holds susceptible to plugging problem.It is protective layer on the upside of catch net.Also comprise back-purge system, back-purge system comprises aeration tube, backwash tube, back flushing water leg, back flushing water shoot, backwash tube is located in supporting layer, first step BAF is also communicated with by backwash tube with the bottom of second stage BAF, back flushing water leg is located at the upside of first step BAF, and back flushing water shoot is located at the upside of second stage BAF.
As preferably, two-stage aerated biological filter is first step BAF and second stage BAF, is provided with water inlet pipe on the upside of first step BAF, is provided with rising pipe on the upside of the BAF of the second stage.
As preferably, the first packing layer is the urethane bio-sponge filler being fixed with microorganism and/or biological enzyme, and the second packing layer is zeolite and granulated active carbon.The utility model, by the combination of different filtrate, enhances the synchronous removal effect of multiple pollutant, improves system capacity of resisting impact load, greatly reduces the possibility hardening and occur.A. zeolite has the feature of selective adsorption ammonia nitrogen, and its surface also can form microbial film (becoming biozeolite) and the removal ability of ammonia nitrogen is improved simultaneously.Zeolite and granulated active carbon combine, and extend the work period of zeolite, make the biological growth on granulated active carbon good, can ensure when there not being long-term ammonia nitrogen in high density to impact zeolite long-time running and without the need to regenerating, economic and reliable.B. be fixed with microorganism and/or biological enzyme in urethane bio-sponge filler, be placed in the packing layer of upside (i.e. the first packing layer), to remove SS and other pollutents further.After fixation of microbe and/or biological enzyme, urethane bio-sponge filling carrier density is close to the density of water, and have larger specific surface area, biofilm is easy, thus biological load amount is large, exceeds more than 5 times than existing effluent purification method; And microbial film (i.e. microorganism and/or biological enzyme) upgrades than very fast, thus microorganism (i.e. microorganism and/or biological enzyme) has higher activity, substantially increases processing efficiency and wastewater treatment efficiency.C. due to the combination of multimedium filler, make filter material layer present semifixed semifluid state, flowing carrier constantly carries out contacting with bubble and constantly cuts, and thus its oxygen-transfer efficiency is high, is conducive to accelerating organic oxidation rate.
As preferably, be also provided with roots blower, cyclic activated sludge process reaction tank comprises the second aeration tube, and the first aeration tube is connected same roots blower with the second aeration tube.
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, and useless Organic substance in water fully contacts with anaerobion, and be conducive to organic decomposition, waste water enters cyclic activated sludge process reaction tank 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 the organic waste water of high density 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.
Compared with prior art, the beneficial effects of the utility model are:
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 the organic waste water of high density 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, useless Organic substance in water fully contacts with anaerobion, be conducive to organic decomposition, waste water enters cyclic activated sludge process reaction tank and continues organic degraded.Activated sludge reaction pond is generally divided into following step: aeration phase, and by aerating apparatus to oxygenation in reaction tank, organic pollutant is decomposed by microbiological oxidation, the NH simultaneously in sewage
3-N is converted into NO in the nitrification of microorganism
3-N.Precipitate phase, now stops aeration, and microorganism utilizes remaining DO in water to carry out oxygenolysis.Reaction tank is transformed to anoxic condition by good oxygen condition gradually, starts to carry out anti-nitration reaction.Active sludge sinks at the bottom of pond gradually, and upper water becomes clear.Strain the water stage, after precipitation terminates, the water decanter being placed in reaction tank end is started working, discharge supernatant liquor gradually from top to bottom, then supernatant liquor flows into micro-electrolysis reactor, 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.Then baffled biological aerated filter (BBAF) is entered, baffled biological aerated filter (BBAF) 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, sewage after process is better than emission standard, can realize Treated sewage reusing.
The utility model comprises hopper connected successively, homogenate pond, methane-generating pit, upflow anaerobic sludge blanket reactor, cyclic activated sludge process reaction tank, micro-electrolysis reactor, baffled biological aerated filter 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, BBAF 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 utility model.
Fig. 2 is the structural representation of baffled biological aerated filter.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment 1
Use the system of anaerobic-aerobic-light electrolysis combined treatment organic waste water, as shown in Figure 1-2, comprise hopper 1 connected successively, homogenate pond 2, methane-generating pit 3, upflow anaerobic sludge blanket reactor 4, cyclic activated sludge process reaction tank 5, micro-electrolysis reactor 10, baffled biological aerated filter 6 and ozonization pond 7, lift pump is provided with in homogenate pond 2, lift pump is connected with methane-generating pit 3, and 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
Use the system of anaerobic-aerobic-light electrolysis combined treatment organic waste water, as shown in Figure 1-2, comprise hopper 1 connected successively, homogenate pond 2, methane-generating pit 3, upflow anaerobic sludge blanket reactor 4, cyclic activated sludge process reaction tank 5, micro-electrolysis reactor 10, baffled biological aerated filter 6 and ozonization pond 7, lift pump is provided with in homogenate pond 2, lift pump is connected with methane-generating pit 3, methane-generating pit is connected with sludge thickener 8, is provided with equalizing tank 11 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.
Baffled biological aerated filter 6 comprises two-stage aerated biological filter 61 and water hole 62, and two-stage aerated biological filter 61 is communicated with by the water hole 62 of downside; Two-stage aerated biological filter 61 is equipped with packing layer and the first aeration tube 63, and the first packing layer 64 and the second packing layer 65, first packing layer 64 are fixed with microorganism and/or biological enzyme to packing layer successively from top to bottom.Two-stage aerated biological filter 61 is first step BAF 611 and second stage BAF 612, is provided with water inlet pipe 66 on the upside of first step BAF 611, is provided with rising pipe 67 on the upside of second stage BAF 612.First packing layer 64 is for being fixed with the urethane bio-sponge filler of microorganism and/or biological enzyme, and the second packing layer 65 is zeolite and granulated active carbon.
Also be provided with roots blower, cyclic activated sludge process reaction tank 5 comprises the second aeration tube, and the first aeration tube 64 is connected same roots blower with the second aeration tube.
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.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (8)
1. use the system of anaerobic-aerobic-light electrolysis combined treatment 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), cyclic activated sludge process reaction tank (5), micro-electrolysis reactor (10), baffled biological aerated filter (6) and ozonization pond (7), homogenate pond is provided with lift pump in (2), lift pump is connected with methane-generating pit (3), and 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 system of utilization anaerobic-aerobic according to claim 1-light electrolysis combined treatment organic waste water, it is characterized in that: baffled biological aerated filter (6) comprises two-stage aerated biological filter (61) and water hole (62), two-stage aerated biological filter (61) is communicated with by the water hole (62) of downside; Two-stage aerated biological filter (61) is equipped with packing layer and the first aeration tube (63), packing layer the first packing layer (64) and the second packing layer (65) successively from top to bottom, the first packing layer (64) is fixed with microorganism and/or biological enzyme.
3. the system of utilization anaerobic-aerobic according to claim 2-light electrolysis combined treatment organic waste water, it is characterized in that: two-stage aerated biological filter (61) is first step BAF (611) and second stage BAF (612), first step BAF (611) upside is provided with water inlet pipe (66), and second stage BAF (612) upside is provided with rising pipe (67).
4. the system of utilization anaerobic-aerobic according to claim 2-light electrolysis combined treatment organic waste water; it is characterized in that: the first packing layer (64) is for being fixed with the urethane bio-sponge filler of microorganism and/or biological enzyme, and the second packing layer (65) is zeolite and granulated active carbon.
5. the system of utilization anaerobic-aerobic according to claim 2-light electrolysis combined treatment organic waste water, it is characterized in that: be also provided with roots blower, cyclic activated sludge process reaction tank (5) comprises the second aeration tube, and the first aeration tube (64) is connected same roots blower with the second aeration tube.
6. the system of utilization anaerobic-aerobic according to claim 1-light electrolysis combined treatment organic waste water, is characterized in that: upflow anaerobic sludge blanket reactor (4) is provided with triphase separator.
7. the system of utilization anaerobic-aerobic according to claim 1-light electrolysis combined treatment organic waste water, 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).
8. the system of utilization anaerobic-aerobic according to claim 1-light electrolysis combined treatment organic waste water, is characterized in that: be provided with equalizing tank (11) between methane-generating pit (3) and upflow anaerobic sludge blanket reactor (4).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587519A (en) * | 2016-12-30 | 2017-04-26 | 四川师范大学 | Treatment method of organic synthetic pharmacy wastewater |
| CN111892246A (en) * | 2020-08-04 | 2020-11-06 | 昆山市华滤环保科技有限公司 | Integrated wastewater treatment equipment and treatment process |
-
2015
- 2015-09-16 CN CN201520718251.3U patent/CN205035223U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587519A (en) * | 2016-12-30 | 2017-04-26 | 四川师范大学 | Treatment method of organic synthetic pharmacy wastewater |
| CN111892246A (en) * | 2020-08-04 | 2020-11-06 | 昆山市华滤环保科技有限公司 | Integrated wastewater treatment equipment and treatment process |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20210916 |