CN101792207B - Gas-sealing type bioreactor for treating drained organic water - Google Patents
Gas-sealing type bioreactor for treating drained organic water Download PDFInfo
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- CN101792207B CN101792207B CN 201010108932 CN201010108932A CN101792207B CN 101792207 B CN101792207 B CN 101792207B CN 201010108932 CN201010108932 CN 201010108932 CN 201010108932 A CN201010108932 A CN 201010108932A CN 101792207 B CN101792207 B CN 101792207B
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Abstract
The invention relates to a gas-sealing type bioreactor for treating drained organic water. The bioreactor is formed by respectively connecting an anaerobic filter, a facultative filter and an aerobic filter together by water delivery pipelines, and respectively connecting the facultative filter and the aerobic filter with a small-size air compressor by water delivery pipelines. The lower part of the anaerobic filter is provided with a water inlet pipe and is provided with a water inlet one-way valve, the top part thereof is provided with a gas one-way valve and the inner part thereof is divided into an activated sludge area and a suspension filter area. The facultative filter and the aerobic filter are internally provided with a gas sealing and changing device formed by a gas changing pipe, a gas sealing cover and a gas exhaust pipe; and the gas sealing and changing devices are distributed by two types of alternative modes. The gas-sealing type bioreactor is applicable to various drained organic water. By the effect of anaerobic microorganism, anoxic microorganism and aerobic microorganism, the reactor has good removing effect of COD and BOD, low energy consumption and obvious shortcut nitrification-denitrification effect, greatly improves the denitrification effect, and effectively improves the removing efficiency of phosphorus by the effect of anaerobic phosphorus-releasing bacterium and aerobic phosphate-accumulating bacterium and the adhesion of a biomembrane.
Description
[technical field]: the invention belongs to engineering water technology, biochemical reaction engineering technology and environmental microorganism technical field, be specifically related to a kind of multistage gas-sealing type bioreactor that is used to handle drained organic water.
[background technology]: along with socioeconomic fast development, many organic waste waters that are rich in nitrogen, phosphoric produce in a large number, and any discharging of these waste water or discharge without advanced treatment, cause many natural water bodies to be polluted, it is serious mainly to show as body eutrophication, and elements such as organic pollutant and nitrogen, phosphorus exceed standard.
Drained organic water treatment process commonly used has two kinds, and a kind of is to be filtered into the master, to be aided with the physical treatment process of chemical disinfection and aeration oxygen replenishing simultaneously.The characteristics of this method are, equip fairly simplely, but volume is bigger.Another kind is based on biological treatment, is aided with the biological treatment of membrane filtration simultaneously.This method can be handled high-concentration sewage.In described biological treatment, microorganism commonly used is the active sludge that is present in the water body, and its filtering membrane mainly adopts hollow-fibre membrane or flat sheet membrane.Adopt section dirty area of hollow-fibre membrane big, but easily stop up, clean difficulty, the cost height; And flat sheet membrane is being cut under the identical condition of dirty area, and its volume is big, clean, change difficulty, and investment is also big.
Still be based on bioremediation to the processing method of industrial waste water that is rich in the nitrogen element at present, domestic in this regard many new technologies and the equipment developed, but also have some shortcomings that need overcome.There is the cost height in the technology that has, and there are the big and easy secondary pollution problems that produces of some sludge disposal workloads in the shortcoming that energy consumption is big, the technology that has.
[summary of the invention]: the present invention seeks to overcome the prior art above shortcomings, envelope gas air interchanger that uses in a kind of bio-reactor of efficient, the less energy-consumption at drained organic water and the bio-reactor that comprises this device are provided, this reactor has easy to operate, the reactor energy consumption is little, characteristics applied widely, that efficient is high.
The present invention at first provides a kind of envelope gas air interchanger that uses in the gas-sealing type bioreactor of drained organic water of handling, the envelope gas hood that this device seals around comprising a top and sidewall, the lower end is open, an end is provided with a scavenge trunk in the envelope gas hood, in the envelope gas hood relatively the top away from the other end of scavenge trunk be provided with a vapor pipe.
The upper end of described scavenge trunk is set with the particle size fixed tube of a up/down perforation, and scavenge trunk is fixed in the particle size fixed tube by dowel.The mouth of pipe of scavenge trunk upper end and the mouth of pipe of vapor pipe lower end are positioned on the same sea line.
The top of described envelope gas hood comprises two kinds on the planar annular type of the whole flush type of entire body and hollow, and the top shape of envelope gas hood can be circle and annular, or rectangle and rectangular annular.
The present invention provides a kind of multistage gas-sealing type bioreactor that is used to handle drained organic water that adopts above-described envelope gas air interchanger to constitute simultaneously, and this bio-reactor comprises anaerobic filter, hold concurrently oxygen filter tank, aerobic filter tank, mini air compressor and controller thereof; Anaerobic filter, double oxygen filter tank and aerobic part of filter are equipped with water inlet pipe and excess sludge discharge mouth, top is equipped with water outlet and air discharge ports, be connected by water pipe between the water inlet pipe in the water outlet of anaerobic filter and double oxygen filter tank and between the water outlet in double oxygen filter tank and the water inlet pipe of supporting the filter tank well, be installed into water one-way valve on the water inlet pipe of anaerobic filter, the gas unidirectional valve is set on the air discharge ports of anaerobic filter; The inside of anaerobic filter is divided into the active sludge district of bottom and the suspended filter material district on top, double oxygen filter tank and inside, aerobic filter tank are provided with two-layer at least (being generally 2 to 15 layers) the described envelope gas of claim 1 air interchanger, wherein the top is that the whole flush type of entire body and two kinds of envelopes of planar annular type gas air interchanger alternatively up and down of hollow are arranged, and the periphery of the whole flush type envelope gas air interchanger of entire body is between the interior periphery of the planar annular type envelope gas air interchanger of hollow (ginseng is with Fig. 1), the scavenge trunk UNICOM of the vapor pipe of lower floor's envelope gas air interchanger and upper strata envelope gas air interchanger, the scavenge trunk of orlop envelope gas air interchanger is connected with mini air compressor by gas pipe line, the superiors seal the gas air interchanger above and water outlet below between the filler baffle plate is installed.
Advantage of the present invention and beneficial effect:
Envelope gas air interchanger can effectively improve the functioning efficiency of active sludge in the gas-sealing type bioreactor provided by the invention, effectively prevents sludge loss and helps biomembranous set.
Two kinds of envelope gas air interchangers in the bio-reactor are alternately arranged, and can effectively transmit dissolved oxygen, make the environment distribution of dissolved oxygen more even, and the short-cut nitrification and denitrification effect is remarkable, has improved nitric efficiency greatly.By the effect and the biomembranous set of anaerobic phosphorus release bacterium and aerobic polyP bacteria, effectively improved the removal efficient of phosphorus simultaneously.
Envelope gas air interchanger quantity in the aerobic filter tank of this bio-reactor makes to form aerobic zone in the aerobic filter tank more than the quantity of envelope gas air interchanger in the oxygen filter tank of holding concurrently, and is convenient to the effect of aerobic bacteria, removes organism and phosphorus element.
This reactor is through anaerobism, anoxic, aerobic microbiological effect, and good to COD, BOD removal effect, energy consumption is low, is applicable to various types of drained organic waters.
[description of drawings]:
Fig. 1 is the structural representation that is used to handle the multistage gas-sealing type bioreactor of drained organic water provided by the invention.
Fig. 2 (A) is that envelope gas hood top is the whole flush type envelope gas air interchanger synoptic diagram of entire body.
Fig. 2 (B) is the diagrammatic cross-section of Fig. 2 (A).
Fig. 3 (A) is that envelope gas hood top is the planar annular type envelope gas air interchanger synoptic diagram of hollow.
Fig. 3 (B) is the diagrammatic cross-section of Fig. 3 (A).
Among the figure, the 1st, anaerobic filter, the 2nd, the oxygen filter tank of holding concurrently, the 3rd, aerobic filter tank, the 4th, water inlet pipe, the 5th, advance the water check valve, the 6th, active sludge district, the 7th, suspended filter material district, the 8th, gas unidirectional valve, the 9th, water pipe, the 10th, mini air compressor, the 11st, gas pipe line, the 12nd, scavenge trunk, the 13rd, envelope gas hood, the 14th, vapor pipe, the 15th, air discharge ports, the 16th, filtrate baffle plate, the 17th, water outlet, the 18th, excess sludge discharge mouth, the 19th, the power-supply controller of electric of mini air compressor.
[embodiment]:
Embodiment 1: envelope gas air interchanger
As Fig. 2, shown in Figure 3, a kind of envelope gas air interchanger that uses in the gas-sealing type bioreactor of drained organic water of handling, the envelope gas hood 13 that this device seals around comprising a top and sidewall, the lower end is open, the top of envelope gas hood comprises two kinds on the planar annular type (as shown in Figure 3) of the whole flush type (as shown in Figure 2) of entire body and hollow, the top shape of envelope gas hood can be circle and annular, or rectangle and rectangular annular (as Fig. 2 of the present invention and shown in Figure 3).
An end is provided with a scavenge trunk 12 in the envelope gas hood, and the upper end of scavenge trunk is set with the particle size fixed tube of a up/down perforation, and scavenge trunk is fixed in the particle size fixed tube by dowel.In the envelope gas hood relatively the top away from the other end of scavenge trunk be provided with a vapor pipe 14.
The mouth of pipe of described scavenge trunk upper end and the mouth of pipe of vapor pipe lower end are positioned on the same sea line.
Embodiment 2: the multistage gas-sealing type bioreactor that is used to handle drained organic water
As shown in Figure 1, this bio-reactor comprises anaerobic filter 1, double oxygen filter tank 2, aerobic filter tank 3, mini air compressor 10 and controller 19 thereof; Anaerobic filter, double oxygen filter tank and aerobic part of filter are equipped with water inlet pipe 4 and excess sludge discharge mouth 18, top is equipped with water outlet 17 and air discharge ports 15, be connected by water pipe 9 between the water inlet pipe in the water outlet of anaerobic filter and double oxygen filter tank and between the water outlet in double oxygen filter tank and the water inlet pipe of supporting the filter tank well, be installed into water one-way valve 5 on the water inlet pipe of anaerobic filter, gas unidirectional valve 8 is set on the air discharge ports of anaerobic filter; The inside of anaerobic filter is divided into the active sludge district 6 of bottom and the suspended filter material district 7 on top, double oxygen filter tank and inside, aerobic filter tank are provided with two-layer at least (being generally 2 to 15 layers) embodiment 1 described envelope gas air interchanger, wherein the top is that the whole flush type of entire body and two kinds of envelopes of planar annular type gas air interchanger alternatively up and down of hollow are arranged, and the periphery of the whole flush type envelope gas air interchanger of entire body is between the interior periphery of the planar annular type envelope gas air interchanger of hollow (ginseng is with Fig. 1), the vapor pipe 14 of lower floor's envelope gas air interchanger and scavenge trunk 12 UNICOMs of upper strata envelope gas air interchanger, the scavenge trunk 12 of orlop envelope gas air interchanger is connected with mini air compressor 10 by gas pipe line 11, the superiors seal the gas air interchanger above and water outlet 17 below between filler baffle plate 16 is installed.
The startup of mini air compressor with close by its power-supply controller of electric 19 control, intermittent operation does not need frequent starting, generally per hour starts 1 time and get final product, each run 2-3 minute mainly is in order to seal the gas in the gas hood 13 with the fresh air displacement.
The envelope gas air interchanger that distributes in the double oxygen filter tank is divided into anaerobic zone and local aerobic zone with water body in the reactor, can significantly improve the short-cut nitrification and denitrification effect, has improved nitric efficiency greatly.
Double oxygen filter tank is different with the envelope gas air interchanger number in the aerobic filter tank, and envelope gas air interchanger number is less in the oxygen filter tank of holding concurrently, and mainly in order to form anoxic condition in double oxygen filter tank, is beneficial to short distance nitration, denitrifying carrying out; Envelope gas air interchanger quantity in the aerobic filter tank is more, so that portion forms aerobic zone within it, is convenient to aerobic bacteria degraded COD and aerobic polyP bacteria and removes the phosphorus element.
Hold concurrently oxygen filter tank and inside, aerobic filter tank is provided with filtrate baffle plate 16, can effectively improve the functioning efficiency of active sludge with envelope gas air interchanger, effectively prevents sludge loss and helps biomembranous set.
Two kinds of envelope gas air interchangers alternately are arranged in hold concurrently oxygen filter tank and the aerobic filter tank, mainly are to flow in order to change water body, effectively transmit and the uniform distribution dissolved oxygen.
The size of reactor each several part can be determined according to the content of water-quality guideline such as organism, nitrogen, phosphorus in the drained organic water and part technology, technical parameter (such as sludge loading, hydraulic detention time etc.).
The shape in each filter tank is indefinite in the reactor, can justify, and can decide as required; Equipment or device can be made into, also engineering of water treatment can be built into.
The working treatment process of gas-sealing type bioreactor:
Drained organic water enters anaerobic filter by water inlet pipe 4 and water inlet check valve 5.Mainly COD, BOD in the drained organic water are carried out anaerobic biological treatment through active sludge district 6, suspended filter material 7, simultaneously organonitrogen is converted into ammonium nitrogen, the anaerobic phosphorus release bacterium is converted into solubilised state with the phosphorus element in the sewage.The gas that anaerobic filter produces is discharged by gas unidirectional valve 8.
Drained organic water through anaerobic filter 1 preliminary treatment enters the double oxygen filter tank 2 that is covered with filler from water pipe 9, make mini air compressor 10 off and on air be imported envelope gas air interchanger by gas pipe line 11 via scavenge trunk 12 by power-supply controller of electric 19 simultaneously, and be stored in the envelope gas hood 13, in double oxygen filter tank 2, produce aerobic, anaerobic alternate environment, help short distance nitration, denitrifying carrying out, reach the purpose of efficient denitrification.Finally discharge by the air that gas pipe line 11 enters in the oxygen filter tank 2 of holding concurrently by vapor pipe 14 and air discharge ports 15.
The drained organic water of handling through the oxygen filter tank 2 of holding concurrently covers filler baffle plate 16, enter the aerobic filter tank 3 that is covered with filler by water pipe, make mini air compressor 10 off and on air be imported envelope gas air interchanger by gas pipe line 11 and scavenge trunk 12 by controller 19 simultaneously, and be stored in the envelope gas hood 13, in aerobic filter tank 3, produce aerobic environment.The quantity of envelope gas hood is beneficial to the formation of aerobic environment more than double oxygen filter tank 2 in the aerobic filter tank 3.Finally discharge by the air that gas pipe line 11 enters in the aerobic filter tank 3 by vapor pipe 14 and air discharge ports 15.
Discharge by water outlet 17 through the drained organic water that handle in aerobic filter tank 3.The excess sludge that produces in anaerobic filter 1, hold concurrently oxygen filter tank 2 and the aerobic filter tank 3 is discharged through excess sludge discharge mouth 18.
Claims (6)
1. envelope gas air interchanger of handling to use in the gas-sealing type bioreactor of drained organic water, it is characterized in that the envelope gas hood that this device seals around comprising a top and sidewall, the lower end is open, an end is provided with a scavenge trunk in the envelope gas hood, in the envelope gas hood relatively the top away from the other end of scavenge trunk be provided with a vapor pipe.
2. envelope gas air interchanger according to claim 1 is characterized in that the upper end of described scavenge trunk is set with the particle size fixed tube of a up/down perforation, and scavenge trunk is fixed in the particle size fixed tube by dowel.
3. envelope gas air interchanger according to claim 1 and 2 is characterized in that described envelope gas hood top comprises two kinds on the planar annular type of the whole flush type of entire body and hollow.
4. envelope gas air interchanger according to claim 3, the top shape that it is characterized in that sealing gas hood is circle and annular, or rectangle and rectangular annular.
5. a multistage gas-sealing type bioreactor that is used to handle drained organic water that adopts the described envelope gas of claim 1 air interchanger to constitute is characterized in that this bio-reactor comprises anaerobic filter, hold concurrently oxygen filter tank, aerobic filter tank, mini air compressor and controller thereof; Anaerobic filter, double oxygen filter tank and aerobic part of filter are equipped with water inlet pipe and excess sludge discharge mouth, top is equipped with water outlet and air discharge ports, be connected by water pipe between the water inlet pipe between the water inlet pipe in the water outlet of anaerobic filter and double oxygen filter tank and the water outlet in double oxygen filter tank and aerobic filter tank, be installed into water one-way valve on the water inlet pipe of anaerobic filter, the gas unidirectional valve is set on the air discharge ports of anaerobic filter; The inside of anaerobic filter is divided into the active sludge district of bottom and the suspended filter material district on top, double oxygen filter tank and inside, aerobic filter tank are provided with the described envelope gas of at least two-layer claim 1 air interchanger, double oxygen filter tank is different with the envelope gas air interchanger number in the aerobic filter tank, envelope gas air interchanger number is less in the double oxygen filter tank, mainly in order in double oxygen filter tank, to form anoxic condition, be beneficial to short distance nitration, denitrifying carrying out, envelope gas air interchanger quantity in the aerobic filter tank is more, so that portion forms aerobic zone within it, be convenient to aerobic bacteria degraded COD and aerobic polyP bacteria and remove the phosphorus element, the scavenge trunk UNICOM of the vapor pipe of lower floor's envelope gas air interchanger and upper strata envelope gas air interchanger, the scavenge trunk of orlop envelope gas air interchanger is connected with mini air compressor by gas pipe line, the superiors seal the gas air interchanger above and water outlet below between the filler baffle plate is installed.
6. bio-reactor according to claim 5, the inner envelope gas air interchanger that is provided with in oxygen filter tank and aerobic filter tank that it is characterized in that holding concurrently is 2 to 15 layers, the top is that the whole flush type of entire body and two kinds of envelopes of planar annular type gas air interchanger alternatively up and down of hollow are arranged, and the periphery of the whole flush type envelope gas air interchanger of entire body is between the interior periphery of the planar annular type envelope gas air interchanger of hollow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010108932 CN101792207B (en) | 2010-02-11 | 2010-02-11 | Gas-sealing type bioreactor for treating drained organic water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010108932 CN101792207B (en) | 2010-02-11 | 2010-02-11 | Gas-sealing type bioreactor for treating drained organic water |
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| Publication Number | Publication Date |
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| CN101792207A CN101792207A (en) | 2010-08-04 |
| CN101792207B true CN101792207B (en) | 2011-06-15 |
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| CN 201010108932 Expired - Fee Related CN101792207B (en) | 2010-02-11 | 2010-02-11 | Gas-sealing type bioreactor for treating drained organic water |
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| CN117303588B (en) * | 2023-11-09 | 2024-06-07 | 北京汇园生态科技有限公司 | High ammonia nitrogen wastewater treatment system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1382647A (en) * | 2002-05-10 | 2002-12-04 | 清华大学 | Equipment for denitrifying and dephosphating sewage in integrated aerobic/anaerobic biologic fiter pool |
| CN101172736A (en) * | 2007-10-26 | 2008-05-07 | 重庆大学 | Intermittent aerating biological filter seprobia dephosphorization technique |
| CN101333039A (en) * | 2008-05-20 | 2008-12-31 | 北京能拓高科技有限公司 | Anaerobe filter using standard box |
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2010
- 2010-02-11 CN CN 201010108932 patent/CN101792207B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1382647A (en) * | 2002-05-10 | 2002-12-04 | 清华大学 | Equipment for denitrifying and dephosphating sewage in integrated aerobic/anaerobic biologic fiter pool |
| CN101172736A (en) * | 2007-10-26 | 2008-05-07 | 重庆大学 | Intermittent aerating biological filter seprobia dephosphorization technique |
| CN101333039A (en) * | 2008-05-20 | 2008-12-31 | 北京能拓高科技有限公司 | Anaerobe filter using standard box |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2000-33390A 2000.02.02 |
| JP特开平11-47772A 1999.02.23 |
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