CN105693027A - Nitrophenol wastewater treatment device - Google Patents
Nitrophenol wastewater treatment device Download PDFInfo
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- CN105693027A CN105693027A CN201610142150.5A CN201610142150A CN105693027A CN 105693027 A CN105693027 A CN 105693027A CN 201610142150 A CN201610142150 A CN 201610142150A CN 105693027 A CN105693027 A CN 105693027A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to a nitrophenol wastewater treatment device. The device comprises a wastewater regulation tank, an electrolytic biochemical tank, a filler anaerobic tank and a reverse-flow aeration filter, wherein the electrolytic biochemical tank adopts the structure of left and right chambers and comprises a positive pole chamber and a negative pole chamber, middle-lower parts of the positive pole chamber and the negative pole chamber are communicated, upper parts are separated by a baffle, and the positive pole chamber and the negative pole chamber are provided with positive and negative electrode plates connected with external positive and negative power supplies respectively; the filler anaerobic tank comprises a facultative section, an anoxic section and an anaerobic section which are separated by baffle plates, a filler anaerobic tank water inlet pipe is arranged at the head end of the facultative section, the tail end of the facultative section is communicated with the head end of the anoxic section, and the tail end of the anoxic section is communicated with the head end of the anaerobic section; the reverse-flow aeration filter comprises a downstream zone, an upstream zone and a sludge zone, the downstream zone is located in the middle of a cylindrical structure of the reverse-flow aeration filter and adopts a cylindrical structure, a reverse-flow aeration filter water inlet pipe and a reverse-flow aeration filter water distribution pipe are arranged at the upper part of the downstream zone, and downstream zone filler is arranged in the middle of the downstream zone.
Description
Technical field
The present invention relates to environmental technology field, be specifically related to a kind of nitrophenol wastewater and process device。
Background technology
Nitrophenols is important chemicals, is widely used in pesticide, medicine, fuel, explosive and rubber production technology, and is discharged into environment along with these industry waste water。This kind of material in environment is easily generated serious publilc health and environmental problem, and in food chain bio-accumulation, Environmental Protection in America general bureau lists this kind of material in " priority pollutant " and controls list, limits its concentration in natural water。At the publilc health secure context of the mankind, nitrophenols is easily converted into azanol radical derivative and nitroso-group in vivo, and these derivants can generate Ferri-hemoglobin or inferior ammonium nitrate, and the former can be combined with oxygen, and the latter is then carcinogen。
The processing method of paranitrophenol waste water has absorption method, extraction, catalytic wet air oxidation, bioanalysis etc. both at home and abroad at present。Activated carbon paranitrophenol has good adsorption effect, and highly stable, all insoluble in soda acid, but due to its regeneration difficulty, causes cost of a relatively high。Extraction is easy and simple to handle with it, equipment investment is few, good separating effect, can reclaim Organic substance from waste water and extractant is reusable etc. that advantage becomes industrial conventional a kind of method for treating phenolic waste water, but expensive due to extractant, and its water solublity, toxicity often result in secondary pollution, the promotion and application of this method are restricted。Catalytic wet air oxidation technology easily is automated operation, but equipment one-time investment is big, require height, and wastewater treatment capacity is little, and the time of staying is long。When hard-degraded substance exceedes limiting concentration, Biostatic will be produced, thus limiting the extensive use of bioanalysis。
Summary of the invention
The technical problem to be solved in the present invention is: in order to solve the process problem of above-mentioned nitrophenol wastewater, and the present invention provides a kind of nitrophenol wastewater to process device。
The technical solution adopted for the present invention to solve the technical problems is: a kind of nitrophenol wastewater processes device, including wastewater equalization pond, electrolysis biochemistry pool, filler anaerobic pond and reflux aerating filter。
Described wastewater equalization pond includes regulating reservoir water inlet pipe and regulating reservoir outlet pipe, for regulating water quality and the water yield of waste water。
Described electrolysis biochemistry pool is provided with electrolysis biochemistry pool water inlet pipe and electrolysis biochemistry pool outlet pipe, electrolysis biochemistry pool water inlet pipe connection wastewater equalization pond；Electrolysis biochemistry pool water inlet pipe connection electrolysis biochemical bacteria adding tube；Described electrolysis biochemistry pool is left and right two cell structure, respectively cathode chamber and anode chamber, described cathode chamber connects with the middle and lower part of anode chamber, and top is separated by dividing plate, cathode chamber and anode chamber are respectively equipped with positive and negative two battery lead plates, and positive and negative two battery lead plates connect outside positive-negative power respectively；The top of cathode chamber and anode chamber is conical structure, and the top of conical structure is designed with electrolysis biochemistry pool discharge；Further, being positive electrode with ruthenium-iridium-tantalum electrode or ruthenium-iridium-tantalum tin electrode or iridium tantalum Ti electrode or iridium tantalum titanium tin electrode, Ti electrode is negative material；The exit of described electrolysis biochemistry pool is provided with electrolysis biochemistry pool three phase separator, and outlet top is provided with electrolysis biochemistry pool overfalling weir, and electrolysis biochemistry pool overfalling weir connects electrolysis biochemistry pool outlet pipe；Electrolysis biochemistry pool outlet pipe connection filler anaerobic pond water inlet pipe。
Described filler anaerobic pond includes the double oxygen section, anoxia section and the anaerobism section that are separated into by deflection plate, described double oxygen section head end is provided with the filler anaerobic pond water inlet pipe for feeding waste water, oxygen section end of holding concurrently connects with anoxia section head end, anoxia section end connects with anaerobism section head end, the bottom of described anoxia section and anaerobism section water inlet side deflection plate is provided with the corner of 45 degree, the percussion produced during to avoid current to enter, thus playing the effect of buffering current and water distribution uniformity；Anaerobism section end is provided with filler anaerobic pond three phase separator and filler anaerobic pond overfalling weir, filler anaerobic pond overfalling weir bonding pad anaerobic pond outlet pipe；Described double oxygen section, anoxia section and the tapered structure of anaerobism section bottom design, pyramidal structure connects mud discharging valve；The upper cover design coning structure of the double oxygen section in described filler anaerobic pond, anoxia section and anaerobism section, conical structure top is provided with methane gas discharge；It is designed with anaerobic pond filler in described double oxygen section, anoxia section and anaerobism section；Described filler anaerobic pond outlet pipe connection reflux aerating filter water inlet pipe。
Described reflux aerating filter middle and upper part is conical structure for cylindrical, bottom, including lower current area, ascending zone and mud district；Described lower current area is positioned at the middle part of the cylindrical structural of reflux aerating filter, for cylindrical structural, lower current area top is provided with reflux aerating filter water inlet pipe and reflux aerating filter water distributor, lower current area filler it is provided with in the middle part of lower current area, lower current area bottom is provided with lower current area aeration tube, the bottom of lower current area is provided with reflux plate, and the vertical section of described reflux plate is horn-like；Described ascending zone is positioned at the periphery of lower current area and the top of reflux plate, is provided with ascending zone filler in the middle part of ascending zone, and ascending zone bottom is provided with ascending zone aeration tube, and the exit on ascending zone top is provided with reflux aerating filter overfalling weir；Described mud district is positioned at the bottom of reflux aerating filter, and mud district is positioned at the bottom of lower current area and ascending zone, and the bottom in mud district is provided with reflux aerating filter mud discharging valve。
The standard water discharge discharge of reflux aerating filter。
A kind of method adopting above-mentioned nitrophenol wastewater process device to carry out wastewater treatment, has following steps:
1. waste water enters wastewater equalization pond, regulating water quality and the water yield by regulating reservoir water inlet pipe。
2. electrolysis biochemistry pool is entered from the waste water of wastewater equalization pond by electrolysis biochemistry pool water inlet pipe, electrolysis biochemical bacteria adding tube adds electrolysis biochemical bacteria, pollutant in waste water are by electrolysis and biochemistry, and the gas that in electrolytic process, positive and negative electrode produces is through collecting, separate dried sale or reuse；Waste water after electrolytic treatments enters filler anaerobic pond water inlet pipe by electrolysis biochemistry pool outlet pipe。
3. waste water enters the bottom in filler anaerobic pond by filler anaerobic pond water inlet pipe；Waste water enters filler anaerobic pond tailing edge deflection plate and advances up and down, pass sequentially through the Sludge Bed of each reative cell of double oxygen section, anoxia section and anaerobism section, mud in filler anaerobic pond moves along with the flowing up and down of waste water and the effect of biogas rising, the settlement action of the barrier effect of deflection plate and mud self makes again the flow velocity of mud reduce, therefore substantial amounts of mud is all trapped within filler anaerobic pond, and the microorganism in filler anaerobic pond is fully contacted with the Organic substance in waste water。Hydrolysis of organic matter in waste water is organic acid by the heterotrophic bacteria of the amphimicrobe of oxygen section, anoxia section and the anaerobism section held concurrently, and makes larger molecular organics be decomposed into small organic molecule, and insoluble Organic substance changes into dissolved organic matter。Waste water after anaerobic reaction realizes the separation of mud, water, methane gas under the three phase separator effect of filler anaerobic pond, and mud sinks to the bottom in filler anaerobic pond under gravity, and unnecessary mud is discharged by the filler anaerobic pond mud discharging valve of bottom；The methane waste product that filler anaerobic pond produces collects discharge by methane gas discharge；Waste water after process enters reflux aerating filter water inlet pipe by filler anaerobic pond overfalling weir, filler anaerobic pond outlet pipe。
4. waste water passes through reflux aerating filter water inlet pipe, reflux aerating filter water distributor enters the lower current area of reflux aerating filter, air and the waste water that lower current area aeration tube produces crosses generation biochemical reaction in lower current area filler, waste water is filtered by lower current area filler simultaneously, waste water is by entering ascending zone after reflux plate, ascending zone filler occurs biochemical reaction, waste water is filtered by ascending zone filler simultaneously, the mud that lower current area and ascending zone produce sinks to mud district, emitted by the reflux aerating filter mud discharging valve bottom mud district, water after the process of reflux aerating filter is by reflux aerating filter overfalling weir and reflux aerating filter outlet pipe qualified discharge。
5. the mud that filler anaerobic pond and reflux aerating filter are discharged is concentrated, outward transport after dehydration。
The invention has the beneficial effects as follows: treatment in accordance with local conditions, capital constructionInvestmentIt is few,SafeguardConvenient, energy consumption is relatively low, and waste water has reasonable treatment effect。
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described。
Fig. 1 (a) is the schematic cross section of embodiment of the present invention electrolysis biochemistry pool, and Fig. 1 (b) is the vertical section schematic diagram of embodiment of the present invention electrolysis biochemistry pool。
In Fig. 1 (a), Fig. 1 (b): 1. electrolysis biochemistry pool, 1-1. electrolysis biochemistry pool water inlet pipe, 1-2. electrolysis biochemistry pool outlet pipe, 1-3. cathode chamber, 1-4. anode chamber, 1-5. dividing plate, 1-6. positive plate, 1-7. negative plate, 1-8. electrolysis biochemistry pool discharge, 1-9. electrolysis biochemical bacteria, 1-10. electrolysis biochemistry pool three phase separator, 1-11. electrolysis biochemistry pool overfalling weir。
Fig. 2 is the structural representation in embodiment of the present invention filler anaerobic pond。
In Fig. 2: 2. filler anaerobic pond, 2-1. deflection plate, 2-2. holds concurrently oxygen section, 2-3. anoxia section, 2-4. anaerobism section, 2-5. filler anaerobic pond water inlet pipe, 2-6. filler anaerobic pond three phase separator, 2-7. filler anaerobic pond overfalling weir, 2-8. filler anaerobic pond mud discharging valve, 2-9. upper cover, 2-10. methane gas discharge, 2-11. anaerobic pond filler。
Fig. 3 is the structural representation of embodiment of the present invention reflux aerating filter。
In Fig. 3: 3. reflux aerating filter, 3-1. lower current area, 3-2. ascending zone, 3-3. mud district, 3-4. reflux aerating filter water inlet pipe, 3-5. reflux aerating filter water distributor, 3-6. lower current area filler, 3-7. lower current area aeration tube, 3-8. reflux plate, 3-9. ascending zone filler, 3-10. reflux aerating filter overfalling weir, 3-11. reflux aerating filter mud discharging valve。
Fig. 4 is the process chart of the embodiment of the present invention。
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation。These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is only described in a schematic way, and therefore it only shows the composition relevant with the present invention。
Embodiment
As shown in Figure 1 to 4, one nitrophenol wastewater of the present invention processes device, including wastewater equalization pond, electrolysis biochemistry pool 1, filler anaerobic pond 2 and reflux aerating filter 3。
Described wastewater equalization pond includes wastewater equalization pond water inlet pipe and wastewater equalization pond outlet pipe, for regulating water quality and the water yield of waste water。
Described electrolysis biochemistry pool 1 is provided with electrolysis biochemistry pool water inlet pipe 1-1 and electrolysis biochemistry pool outlet pipe 1-2, electrolysis biochemistry pool water inlet pipe 1-1 and connects wastewater equalization pond；Electrolysis biochemistry pool water inlet pipe connection electrolysis biochemical bacteria adding tube；Described electrolysis biochemistry pool 1 is left and right two cell structure, respectively cathode chamber 1-3 and anode chamber 1-4, the middle and lower part of described cathode chamber 1-3 and anode chamber 1-4 connects, top is separated by dividing plate 1-5, cathode chamber 1-3 is provided with positive plate 1-6, anode chamber 1-4 and is provided with negative plate 1-7, and positive and negative two battery lead plates connect outside positive-negative power respectively, the top of cathode chamber and anode chamber is conical structure, and the top of conical structure is designed with electrolysis biochemistry pool discharge 1-8；Further, being positive plate material with ruthenium-iridium-tantalum electrode, Ti electrode is negative plate material；The exit of described wastewater electrolytic biochemistry pool is provided with electrolysis biochemistry pool three phase separator 1-10, outlet top is provided with electrolysis biochemistry pool overfalling weir 1-11, electrolysis biochemistry pool overfalling weir connects electrolysis biochemistry pool outlet pipe, electrolysis biochemistry pool outlet pipe connection filler anaerobic pond water inlet pipe 2-5。
Described filler anaerobic pond 2 includes by deflection plate 2-1 double oxygen section 2-2, anoxia section 2-3 and the anaerobism section 2-4 being separated into, described double oxygen section 2-2 head end is provided with the filler anaerobic pond water inlet pipe 2-5 for feeding waste water, oxygen section 2-2 end of holding concurrently connects with anoxia section 2-3 head end, anoxia section 2-3 end connects with anaerobism section 2-4 head end, the bottom of described anoxia section 2-3 and anaerobism section 2-4 water inlet side deflection plate is provided with the corner of 45 degree, the percussion produced during to avoid current to enter, thus playing the effect of buffering current and water distribution uniformity；Anaerobism section 2-4 end is provided with filler anaerobic pond three phase separator 2-6 and filler anaerobic pond overfalling weir 2-7, filler anaerobic pond overfalling weir 2-7 bonding pad anaerobic pond outlet pipe；Described double oxygen section 2-2, anoxia section 2-3 and the tapered structure of anaerobism section 2-4 bottom design, pyramidal structure bonding pad anaerobic pond mud discharging valve 2-8；The upper cover 2-9 of the double oxygen section in described filler anaerobic pond, anoxia section and anaerobism section is designed to conical structure, and conical structure top is provided with methane gas discharge 2-10；It is designed with anaerobic pond filler 2-11 in described double oxygen section, anoxia section and anaerobism section。
The middle and upper part of described reflux aerating filter 3 is conical structure for cylindrical, bottom, including lower current area 3-1, ascending zone 3-2 and mud district 3-3；Described lower current area 3-1 is positioned at the middle part of the cylindrical structural of reflux aerating filter, for cylindrical structural, lower current area top is provided with reflux aerating filter water inlet pipe 3-4 and reflux aerating filter water distributor 3-5, lower current area filler 3-6 it is provided with in the middle part of lower current area, lower current area bottom is provided with lower current area aeration tube 3-7, the bottom of described lower current area is provided with reflux plate 3-8, and the vertical section of described reflux plate 3-8 is horn-like；Described ascending zone 3-2 is positioned at the periphery of lower current area 3-1 and the top of reflux plate, is provided with ascending zone filler 3-9 in the middle part of ascending zone, and ascending zone bottom is provided with ascending zone aeration tube, and the exit on ascending zone top is provided with reflux aerating filter overfalling weir 3-10；Described mud district 3-3 is positioned at the bottom of reflux aerating filter, and described mud district 3-3 is positioned at the bottom of lower current area and ascending zone, and the bottom in mud district is provided with reflux aerating filter mud discharging valve 3-11。
Adopt above-mentioned nitrophenol wastewater to process the method that device carries out wastewater treatment, there are following steps:
1. waste water enters wastewater equalization pond, regulating water quality and the water yield by regulating reservoir water inlet pipe。
2. electrolysis biochemistry pool 1 is entered from the waste water of wastewater equalization pond by electrolysis biochemistry pool water inlet pipe 1-1, electrolysis biochemical bacteria adding tube adds electrolysis biochemical bacteria, pollutant in waste water are by electrolysis and biochemical reaction occurs, and the gas that in electrolytic process, positive plate, negative plate produce is through collecting, separate dried sale or reuse；Waste water after electrolytic treatments enters filler anaerobic pond water inlet pipe 2-5 by electrolysis biochemistry pool outlet pipe 1-2。
3. waste water enters the bottom in filler anaerobic pond by filler anaerobic pond water inlet pipe 2-5；Waste water enters filler anaerobic pond tailing edge deflection plate 2-1 and advances up and down, pass sequentially through the Sludge Bed of each reative cell of double oxygen section 2-2, anoxia section 2-3 and anaerobism section 2-4, mud in filler anaerobic pond moves along with the flowing up and down of waste water and the effect of biogas rising, the barrier effect of anaerobic pond filler 2-11 and deflection plate 2-1 and the settlement action of mud self make again the flow velocity of mud reduce, therefore substantial amounts of mud is all trapped within filler anaerobic pond, and the microorganism in filler anaerobic pond is fully contacted with the Organic substance in waste water。Hydrolysis of organic matter in waste water is organic acid by the heterotrophic bacteria of the amphimicrobe of oxygen section, anoxia section and the anaerobism section held concurrently, and makes larger molecular organics be decomposed into small organic molecule, and insoluble Organic substance changes into dissolved organic matter。Waste water after anaerobic reaction realizes the separation of mud, water, methane gas under the effect of filler anaerobic pond three phase separator 2-6, mud sinks to the bottom in filler anaerobic pond under gravity, and unnecessary mud is discharged by the filler anaerobic pond mud discharging valve 2-8 of bottom；The methane waste product that filler anaerobic pond produces collects discharge by methane gas discharge 2-10；Waste water after process enters reflux aerating filter water inlet pipe 3-4 by filler anaerobic pond overfalling weir 2-7, filler anaerobic pond outlet pipe。
4. waste water passes through reflux aerating filter water inlet pipe 3-4, reflux aerating filter water distributor 3-5 enters the lower current area 3-1 of reflux aerating filter, air and the waste water that lower current area aeration tube 3-7 produces crosses generation biochemical reaction in lower current area filler 3-6, waste water is filtered by lower current area filler simultaneously, waste water is by entering ascending zone 3-2 after reflux plate 3-8, ascending zone filler 3-9 occurs biochemical reaction, waste water is filtered by ascending zone filler simultaneously, the mud that lower current area and ascending zone produce sinks to mud district 3-3, emitted by the reflux aerating filter mud discharging valve 3-11 bottom mud district, water after the process of reflux aerating filter is by reflux aerating filter overfalling weir 3-10 and reflux aerating filter outlet pipe qualified discharge。
5. the mud that filler anaerobic pond 2 and reflux aerating filter 3 are discharged is concentrated, outward transport after dehydration。
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff can carry out various change and amendment completely in the scope not necessarily departing from this invention technological thought。The technical scope of this invention is not limited to the content in description, it is necessary to determine its technical scope according to right。
Claims (2)
1. a nitrophenol wastewater processes device, it is characterised in that: include wastewater equalization pond, electrolysis biochemistry pool (1), filler anaerobic pond (2) and reflux aerating filter (3)；
Described wastewater equalization pond includes wastewater equalization pond water inlet pipe and wastewater equalization pond outlet pipe, for regulating water quality and the water yield of waste water；
Described electrolysis biochemistry pool (1) is provided with electrolysis biochemistry pool water inlet pipe (1-1) and electrolysis biochemistry pool outlet pipe (1-2), and electrolysis biochemistry pool water inlet pipe (1-1) connects wastewater equalization pond；Electrolysis biochemistry pool water inlet pipe connection electrolysis biochemical bacteria adding tube；Described electrolysis biochemistry pool (1) is left and right two cell structure, respectively cathode chamber (1-3) and anode chamber (1-4), described cathode chamber (1-3) connects with the middle and lower part of anode chamber (1-4), top is separated by dividing plate (1-5), cathode chamber (1-3) is provided with positive plate (1-6), anode chamber (1-4) is provided with negative plate (1-7), positive and negative two battery lead plates connect outside positive-negative power respectively, the top of cathode chamber and anode chamber is conical structure, and the top of conical structure is designed with electrolysis biochemistry pool discharge (1-8)；Further, being positive plate material with ruthenium-iridium-tantalum electrode or ruthenium-iridium-tantalum tin electrode or iridium tantalum Ti electrode or iridium tantalum titanium tin electrode, Ti electrode is negative plate material；The exit of electrolysis biochemistry pool is provided with electrolysis biochemistry pool three phase separator (1-10), outlet top is provided with electrolysis biochemistry pool overfalling weir (1-11), electrolysis biochemistry pool overfalling weir connects electrolysis biochemistry pool outlet pipe, described electrolysis biochemistry pool outlet pipe connection filler anaerobic pond water inlet pipe (2-5)；
Described filler anaerobic pond (2) includes the double oxygen section (2-2), anoxia section (2-3) and the anaerobism section (2-4) that are separated into by deflection plate (2-1), described double oxygen section (2-2) head end is provided with filler anaerobic pond water inlet pipe (2-5) for feeding waste water, oxygen section (2-2) end of holding concurrently connects with anoxia section (2-3) head end, and anoxia section (2-3) end connects with anaerobism section (2-4) head end；The bottom of the water inlet side deflection plate of described anoxia section (2-3) and anaerobism section (2-4) is provided with the corner of 45 degree, and the percussion produced during to avoid current to enter, thus playing the effect of buffering current and water distribution uniformity；Anaerobism section (2-4) end is provided with filler anaerobic pond three phase separator (2-6) and filler anaerobic pond overfalling weir (2-7), filler anaerobic pond overfalling weir (2-7) bonding pad anaerobic pond outlet pipe；Described double oxygen section (2-2), anoxia section (2-3) and the tapered structure of anaerobism section (2-4) bottom design, pyramidal structure bonding pad anaerobic pond mud discharging valve (2-8)；The upper cover (2-9) of the double oxygen section in filler anaerobic pond, anoxia section and anaerobism section is designed to conical structure, and conical structure top is designed with methane gas discharge (2-10)；It is designed with anaerobic pond filler (2-11) in described double oxygen section, anoxia section and anaerobism section；
The middle and upper part of described reflux aerating filter (3) is conical structure for cylindrical, bottom, including lower current area (3-1), ascending zone (3-2) and mud district (3-3)；Described lower current area (3-1) is positioned at the middle part of the cylindrical structural of reflux aerating filter, for cylindrical structural, lower current area top is provided with reflux aerating filter water inlet pipe (3-4) and reflux aerating filter water distributor (3-5), lower current area filler (3-6) it is provided with in the middle part of lower current area, lower current area bottom is provided with lower current area aeration tube (3-7), the bottom of lower current area is provided with reflux plate (3-8), and the vertical section of described reflux plate (3-8) is horn-like；Described ascending zone (3-2) is positioned at the periphery of lower current area (3-1) and the top of deflection plate, ascending zone filler (3-9) it is provided with in the middle part of ascending zone, ascending zone bottom is provided with ascending zone aeration tube, and the exit on ascending zone top is provided with reflux aerating filter overfalling weir (3-10)；Mud district (3-3) is positioned at the bottom of reflux aerating filter, and mud district (3-3) is positioned at the bottom of lower current area and ascending zone, and the bottom in mud district is provided with reflux aerating filter mud discharging valve (3-11)。
2. one kind adopts nitrophenol wastewater as claimed in claim 1 to process the method that device carries out wastewater treatment, it is characterised in that: there are following steps；
1. waste water enters wastewater equalization pond, regulating water quality and the water yield by regulating reservoir water inlet pipe；
2. electrolysis biochemistry pool (1) is entered from the waste water of wastewater equalization pond by electrolysis biochemistry pool water inlet pipe (1-1), electrolysis biochemical bacteria adding tube adds electrolysis biochemical bacteria, pollutant in waste water are by electrolysis and biochemical reaction occurs, and the gas that in electrolytic process, positive plate, negative plate produce is through collecting, separate dried sale or reuse；Waste water after electrolytic treatments enters filler anaerobic pond water inlet pipe (2-5) by electrolysis biochemistry pool outlet pipe (1-2)；
3. waste water enters the bottom in filler anaerobic pond by filler anaerobic pond water inlet pipe (2-5)；Waste water enters filler anaerobic pond tailing edge deflection plate (2-1) and advances up and down, pass sequentially through double oxygen section (2-2), the Sludge Bed of each reative cell of anoxia section (2-3) and anaerobism section (2-4), mud in filler anaerobic pond moves along with the flowing up and down of waste water and the effect of biogas rising, the barrier effect of anaerobic pond filler (2-11) and deflection plate (2-1) and the settlement action of mud self make again the flow velocity of mud reduce, therefore substantial amounts of mud is all trapped within filler anaerobic pond, microorganism in filler anaerobic pond is fully contacted with the Organic substance in waste water；Hydrolysis of organic matter in waste water is organic acid by the heterotrophic bacteria of the amphimicrobe of oxygen section, anoxia section and the anaerobism section held concurrently, and makes larger molecular organics be decomposed into small organic molecule, and insoluble Organic substance changes into dissolved organic matter；Waste water after anaerobic reaction realizes the separation of mud, water, methane gas under the effect in filler anaerobic pond three phase separator (2-6), mud sinks to the bottom in filler anaerobic pond under gravity, and unnecessary mud is discharged by filler anaerobic pond mud discharging valve (2-8)；The methane waste product that filler anaerobic pond produces collects discharge by methane gas discharge (2-10)；Waste water after process enters reflux aerating filter water inlet pipe (3-4) by filler anaerobic pond overfalling weir (2-7), filler anaerobic pond outlet pipe；
4. waste water enters the lower current area (3-1) of reflux aerating filter by reflux aerating filter water inlet pipe (3-4) and reflux aerating filter water distributor (3-5), the air that lower current area aeration tube (3-7) produces and waste water cross generation biochemical reaction in lower current area filler (3-6), waste water is filtered by lower current area filler simultaneously, waste water enters ascending zone (3-2) afterwards by reflux plate (3-8), ascending zone filler (3-9) occurs biochemical reaction, waste water is filtered by ascending zone filler simultaneously, the mud that lower current area and ascending zone produce sinks to mud district (3-3), emitted by reflux aerating filter mud discharging valve (3-11) bottom mud district, water after the process of reflux aerating filter is by reflux aerating filter overfalling weir (3-10) and reflux aerating filter outlet pipe qualified discharge；
5. the mud that filler anaerobic pond (2) and reflux aerating filter (3) are discharged is concentrated, outward transport after dehydration。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142150.5A CN105693027A (en) | 2016-03-12 | 2016-03-12 | Nitrophenol wastewater treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142150.5A CN105693027A (en) | 2016-03-12 | 2016-03-12 | Nitrophenol wastewater treatment device |
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| CN105693027A true CN105693027A (en) | 2016-06-22 |
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| CN201610142150.5A Pending CN105693027A (en) | 2016-03-12 | 2016-03-12 | Nitrophenol wastewater treatment device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277631A (en) * | 2016-09-06 | 2017-01-04 | 常州大学 | A kind of Low Concentration Ammonia Containing Wastewater processing means |
| CN106698846A (en) * | 2017-01-16 | 2017-05-24 | 常州大学 | Advanced treatment system of high-concentration coal chemical wastewater |
| CN106957134A (en) * | 2017-04-25 | 2017-07-18 | 常州大学 | A kind of berberine production wastewater treatment device |
| CN109956619A (en) * | 2019-03-28 | 2019-07-02 | 江苏淮河化工有限公司 | A kind of benzene or methylbenzene nitration class biochemical procss for treating waste water |
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| CN104787972A (en) * | 2015-04-10 | 2015-07-22 | 常州大学 | Coal-coking wastewater treatment system |
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| CN101624249A (en) * | 2008-07-11 | 2010-01-13 | 中国科学院生态环境研究中心 | Method and reactor for removing nitrate through membrane electrolysis electrochemical hydrogen autotrophic denitrification |
| CN104787972A (en) * | 2015-04-10 | 2015-07-22 | 常州大学 | Coal-coking wastewater treatment system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277631A (en) * | 2016-09-06 | 2017-01-04 | 常州大学 | A kind of Low Concentration Ammonia Containing Wastewater processing means |
| CN106698846A (en) * | 2017-01-16 | 2017-05-24 | 常州大学 | Advanced treatment system of high-concentration coal chemical wastewater |
| CN106957134A (en) * | 2017-04-25 | 2017-07-18 | 常州大学 | A kind of berberine production wastewater treatment device |
| CN109956619A (en) * | 2019-03-28 | 2019-07-02 | 江苏淮河化工有限公司 | A kind of benzene or methylbenzene nitration class biochemical procss for treating waste water |
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