CN107601669A - A kind of method based on MBBR technique upgrade expanding biochemistry pools - Google Patents
A kind of method based on MBBR technique upgrade expanding biochemistry pools Download PDFInfo
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- CN107601669A CN107601669A CN201711056490.7A CN201711056490A CN107601669A CN 107601669 A CN107601669 A CN 107601669A CN 201711056490 A CN201711056490 A CN 201711056490A CN 107601669 A CN107601669 A CN 107601669A
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- mbbr
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- films
- mbbr mud
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- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 20
- 238000005273 aeration Methods 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims abstract description 4
- 239000010802 sludge Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 10
- 238000010992 reflux Methods 0.000 claims description 9
- 241000894006 Bacteria Species 0.000 claims description 7
- 239000002028 Biomass Substances 0.000 claims description 7
- 238000006396 nitration reaction Methods 0.000 claims description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 238000011282 treatment Methods 0.000 abstract description 8
- 239000010865 sewage Substances 0.000 abstract description 7
- 230000009466 transformation Effects 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001651 autotrophic effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Abstract
The invention discloses a kind of method based on MBBR technique upgrade expanding biochemistry pools, belong to sewage treatment area, it includes anaerobic zone, MBBR mud films anoxic zone, MBBR mud film aerobic zones and strains water exhalant region, offered on the anaerobic zone into water port, anaerobic zone is connected by the perforation of first interval partition wall bottom with MBBR mud films anoxic zone, and MBBR mud films are added with suspending carrier in anoxic zone；Suspending carrier is added with MBBR mud films aerobic zone, MBBR mud film aerobic zones are communicated by preceding interception screen cloth with MBBR mud films anoxic zone, and MBBR mud films are provided with boring aeration pipe in aerobic zone；MBBR mud film aerobic zones are communicated by rear interception screen cloth with straining water exhalant region；Water exhalant region is strained to communicate with anaerobic zone and MBBR mud films anoxic zone by nitrification liquid backflow water pump outlet pipe line.The present invention can be carried out the transformation that rezones by using MBBR techniques, improve the denitrogenation dephosphorizing ability of original CAST biochemistry pools on the basis of former CAST biochemistry pools operational mode is kept.
Description
Technical field
The present invention relates to a kind of method based on MBBR technique upgrade expanding biochemistry pools.
Background technology
According to the requirement of China's watershed environmental improvement, advanced treating and upgrading are carried out to cities and towns and Industrial Waste Water Treatments factory
The dynamics of retrofit work is further strengthened.The sewage plant for having substantial amounts of CAST techniques requires to reach《Urban wastewater treatment firm pollutes
Thing discharge mark》It is accurate（GB18918-2002）The A standards of primary standard, or even higher standard is required, but because taking up an area and CAST techniques
The particularity of the method for operation, upgrading method is to its economics and technical proposes challenge.
A large amount of industry run and municipal sewage plant employ greatly CAST both at home and abroad（Or CASS）Biological tank is dirty
Water treatment technology, CAST biological treatment tanks generally comprise the aerobic zones of a HRT in 30mim or so selection area and below, sequence
Batch intermittent duty, but to being unable to advanced nitrogen dephosphorization, the problem of advanced nitrogen treatment effect deficiency be present.
MBBR is MBBR, and MBBR techniques have both conventional fluidization bed and biological contact oxidation process concurrently
The advantages of, it is a kind of new and effective sewage water treatment method, makes carrier by the aeration in aeration tank and the castering action of current
In fluidized state, and then form the activated sludge of suspension growth and the biomembrane of apposition growth.The CAST ponds that MBBR is provided change
The mentality of designing of technique is made without newly-built biological tank, transformation is carried out to existing CAST ponds by using MBBR techniques and taps the latent power existing life
The disposal ability in thing pond, adjustment CAST operation sequential, ensures that COD, BOD5, ammonia nitrogen and TN stably reach one-level A in biological tank
Discharge standard.
The content of the invention
In view of the deficiency of the CAST biochemistry pool upgrading technologies of above-mentioned existing CAST techniques, overcomes CAST technique depth to take off
The defects of nitrogen treatment effect deficiency, it is an object of the invention to provide a kind of side based on MBBR technique upgrade expanding biochemistry pools
Method, is upgraded to existing CAST biochemistry pools effluent quality or treatment scale carries out dilatation, improves sewage treating efficiency.
In order to solve the above technical problems, technical solution of the present invention includes：
A kind of method based on MBBR technique upgrade expanding biochemistry pools, including anaerobic zone, MBBR mud films anoxic zone, MBBR mud film are good
Oxygen area and water exhalant region is strained, wherein, offered on anaerobic zone into water port, MBBR mud films anoxic zone and be located at the rear of anaerobic zone,
Anaerobic zone is connected by the perforation of first interval partition wall bottom with MBBR mud films anoxic zone, and MBBR mud films are added with anoxic zone
Suspending carrier；MBBR mud films aerobic zone is located at MBBR mud film anoxic zones rear, and MBBR mud films are added with suspending carrier in aerobic zone,
MBBR mud film aerobic zones are communicated by preceding interception screen cloth with MBBR mud films anoxic zone, and perforation is provided with MBBR mud films aerobic zone and is exposed
Tracheae；MBBR mud film aerobic zones are communicated by rear interception screen cloth with straining water exhalant region；Strain water exhalant region and pass through nitrification liquid reflux pump
Water outlet pipeline communicates with anaerobic zone and MBBR mud films anoxic zone.
Further, it is provided with agitator in the anaerobic zone and MBBR mud films anoxic zone.
Further, triple valve is set on the nitrification liquid backflow water pump outlet pipe line, anaerobic zone and MBBR mud films are arrived in control
The nitrification liquid capacity of returns of anoxic zone.
Further, the water exhalant region of straining is provided with water decanter.
Further, described strain in water exhalant region is provided with residual sludge pump, for discharging excess sludge.
Further, the MBBR mud film aerobic zone influent side and water outlet side are respectively that the preceding interception screen cloth set blocks with after
Screen cloth is cut, intercepts and is set on the whole cross section that screen cloth flows to along muddy water, corresponding pool wall is fixed on by angle steel and chemical bolt
In bottom of pond.
The present invention has following technology beneficial effect：
1) present invention can on the basis of former CAST biochemistry pools operational mode is kept, in the case where not increasing biological tank and holding,
By being partitioned into MBBR mud films anoxic zone, MBBR mud film aerobic zones from the aerobic zone of existing CAST biochemistry pools and straining water exhalant region,
It is added with suspending carrier respectively in MBBR mud film anoxic zones and MBBR mud films aerobic zone, and agitator and boring aeration is installed respectively
Pipe.
2）The mud film mixing heterotroph grown on activated sludge and suspending carrier in the MBBR mud films anoxic zone of the present invention
Biomass, the removal energy for from the anti-nitration reaction for straining the nitrification liquid that the backflow of water exhalant region comes, improving TN is enhanced jointly
Power.
3）The mud film mixing autotrophic bacterium grown on activated sludge and suspending carrier in the MBBR mud films aerobic zone of the present invention
Biomass, the nitrification ability of system is also substantially increased, enhance the ability of ammonia nitrogen removal.
4）By setting triple valve to can control to anaerobic zone and MBBR mud films anoxic zone on nitrification liquid backflow water pump outlet pipe line
Nitrification liquid capacity of returns, or a certain passage of opening and closing will allow the method for operation to be adjusted flexibly for conventional AAO or inversion
The combined running pattern that the MBBR biomembranes and traditional CAS T techniques of AAO features are combined.
Brief description of the drawings
Fig. 1 is existing conventional CAST things pond floor map.
Fig. 2 is the floor map of the present invention.
Such as Fig. 2, wherein：1st, anaerobic zone, 2, MBBR mud films anoxic zone, 3, MBBR mud films aerobic zone, 4, strain water exhalant region, 5,
Nitrification liquid reflux pump, 6, residual sludge pump, 7, water decanter, 8, anaerobic zone agitator, 9, MBBR mud films anoxic zone agitator, 10,
Suspending carrier, 11, triple valve, 12, preceding interception screen cloth, 13, intercept screen cloth afterwards, 14, boring aeration pipe, 15, water inlet port.
Embodiment
The present invention is further illustrated with example below in conjunction with the accompanying drawings.
The invention provides a kind of method based on MBBR technique upgrade expanding biochemistry pools, to make the purpose of the present invention, skill
Art scheme is clearer, and the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
A kind of method based on MBBR technique upgrade expanding biochemistry pools, as shown in Figure 2, it includes anaerobic zone 1, MBBR mud
Film anoxic zone 2, MBBR mud films aerobic zone 3 and water exhalant region 4 is strained, wherein, offered on anaerobic zone 1 into water port 15, MBBR mud
Film anoxic zone 2 is located at the rear of anaerobic zone 1, perforation and MBBR mud film anoxic zone 2 of the anaerobic zone 1 by first interval partition wall bottom
It is connected, suspending carrier is added with MBBR mud films anoxic zone 2；After MBBR mud films aerobic zone 3 is located at MBBR mud films anoxic zone 2
Side, MBBR mud films aerobic zone 3 is interior to be added with suspending carrier, and MBBR mud film aerobic zones are lacked by preceding interception screen cloth 12 and MBBR mud films
Oxygen area 2 is communicated, and boring aeration pipe 14 is provided with MBBR mud films aerobic zone 3；MBBR mud films aerobic zone 3 passes through rear interception screen cloth 13
Communicated with straining water exhalant region 4；Strain water exhalant region 4 and pass through the water outlet pipeline of nitrification liquid reflux pump 5 and anaerobic zone 1 and MBBR mud film anoxics
Area 2 communicates；By the addition suspending carrier in MBBR mud films anoxic zone 2, the mud grown is formed on activated sludge and suspending carrier
Film mixes autotrophy bacteria biomass, enhances jointly from the anti-nitration reaction for straining the nitrification liquid that the backflow of water exhalant region comes；Pass through
Suspending carrier is added in MBBR mud films aerobic zone, forms on activated sludge and suspending carrier the mud film mixing autotrophic bacterium life grown
Object amount, the nitrification ability of system is also substantially increased, enhance the ability of TN removals.
Further, anaerobic zone agitator 8 and MBBR mud are set respectively in above-mentioned anaerobic zone 1 and MBBR mud films anoxic zone 2
Film anoxic zone agitator 9, for sludge mixing or the fluidisation of suspending carrier.
Further, the influent side of MBBR mud film aerobic zone 3 and water outlet side are respectively the preceding interception screen cloth 12 set
With rear interception screen cloth 13, intercept and set on the whole cross section that screen cloth flows to along muddy water, is fixed on by angle steel and chemical bolt
On corresponding pool wall and bottom of pond, water resistant power load impact capacity is strong.
And triple valve 11 is set on the above-mentioned water outlet pipeline of nitrification liquid reflux pump 5, arrive anaerobic zone 1 and MBBR mud for controlling
The nitrification liquid capacity of returns of film anoxic zone 2, or a certain passage of opening and closing, will allow the method for operation to be adjusted flexibly as with routine
The combined running pattern that the MBBR biomembranes and traditional CAS T techniques of AAO or inversion A AO features are combined.
And above-mentioned strain is provided with residual sludge pump 6 in water exhalant region 4, for discharging excess sludge；Water exhalant region 4 is strained to set
Water decanter 7 is equipped with, maintains operation and the water exit mode of CAST techniques.
The present invention workflow be：
1）Water inlet by the port that intakes enters anaerobic zone, and from straining the part go back to that reflux pump lifting comes in water exhalant region nitrification liquid
Flow liquid mixes, and carries out anaerobic phosphorus release.
2）The water outlet of anaerobic zone enters MBBR mud films anoxic zone, with coming from straining in water exhalant region nitrification liquid reflux pump lifting
The mixing of partial reflux liquid, by adding suspending carrier in MBBR mud films anoxic zone, formed on activated sludge and suspending carrier
The mud film mixing autotrophy bacteria biomass of growth, is enhanced anti-from the denitrification for straining the nitrification liquid that the backflow of water exhalant region comes jointly
Should, nitrate nitrogen is removed.
3）The water outlet of MBBR mud films anoxic zone enters MBBR mud films aerobic zone, outstanding by being added in MBBR mud films aerobic zone
Float carrier, the mud film mixing autotrophy bacteria biomass grown on activated sludge and suspending carrier is formd, also substantially increases system
Nitrification ability, enhance the ability of ammonia nitrogen removal.
4）Muddy water in MBBR mud films aerobic zone after nitration reaction strains pool by rear interception screen cloth into water outlet, by straining
The property water outlet of hydrophone execution cycle, the method for operation of the invention can be performed by CAST patterns.
Example one：
The former scale of some municipal sewage plant processing be 100,000 ton per days, and sewage intake after coagulation of the invention newly to be set
The transformation CAST process systems of meter, if the inlet COD concentration for actually entering the system is 290-400mg/L, BOD concentration is 110-
160mg/L , NH4- N concentration is 35-46mg/L, and TN 45-57mg/L, TP concentration are 5- 7mg/L.By trimestral dirt
Biological domestication in mud culture and MBBR bio-carriers, each index of water outlet is reduced to low value in the biological treatment system, through later
Water outlet BOD≤5mg/L after continuous coagulating sedimentation and filter depth processing system, water outlet COD≤50mg/L, NH3- N≤5mg/L,
TN≤15mg/L, the TN of system water outlet are always maintained at stably reaching standard.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (6)
- A kind of 1. method based on MBBR technique upgrade expanding biochemistry pools, it is characterised in that it includes anaerobic zone, MBBR mud films lack Oxygen area, MBBR mud film aerobic zones and strain water exhalant region, it is characterised in that worn by first interval partition wall bottom the anaerobic zone Hole is connected with MBBR mud films anoxic zone；Suspending carrier is added with the MBBR mud film anoxic zone；The MBBR mud film is aerobic Suspending carrier is added with area；The MBBR mud film aerobic zone is communicated by preceding interception screen cloth with MBBR mud films anoxic zone；It is described MBBR mud films are provided with boring aeration pipe in aerobic zone；The MBBR mud film aerobic zone is by rear interception screen cloth and strains water exhalant region Communicate；The water exhalant region of straining is communicated by nitrification liquid backflow water pump outlet pipe line with anaerobic zone and MBBR mud films anoxic zone；It the described method comprises the following steps：1）Water inlet by the port that intakes enters anaerobic zone, and from straining the part go back to that reflux pump lifting comes in water exhalant region nitrification liquid Flow liquid mixes, and carries out anaerobic phosphorus release；2）The water outlet of anaerobic zone enters MBBR mud films anoxic zone, and from the portion strained the lifting of reflux pump in water exhalant region nitrification liquid and come Divide phegma mixing, by adding suspending carrier in MBBR mud films anoxic zone, formed on activated sludge and suspending carrier and grown Mud film mixing autotrophy bacteria biomass, enhance jointly from the anti-nitration reaction of nitrification liquid strained the backflow of water exhalant region and come, Nitrate nitrogen is removed；3）The water outlet of MBBR mud films anoxic zone enters MBBR mud films aerobic zone, by adding suspension in MBBR mud films aerobic zone Carrier, the mud film mixing autotrophy bacteria biomass grown on activated sludge and suspending carrier is formd, also substantially increases system Nitrification ability, enhance the ability of ammonia nitrogen removal；4）Muddy water in MBBR mud films aerobic zone after nitration reaction strains pool by rear interception screen cloth into water outlet, by straining water The property water outlet of device execution cycle, the method for operation of the invention can be performed by CAST patterns.
- 2. the method for the biochemistry pool according to claim 1 based on MBBR technique upgrade expandings, it is characterised in that the anaerobism Agitator is provided with area and MBBR mud films anoxic zone.
- 3. the method for the biochemistry pool according to claim 1 based on MBBR technique upgrade expandings, it is characterised in that the nitrification Triple valve is set to be used for the nitrification liquid capacity of returns controlled to anaerobic zone and MBBR mud films anoxic zone on liquid backflow water pump outlet pipe line.
- 4. the method for the biochemistry pool according to claim 1 based on MBBR technique upgrade expandings, it is characterised in that described to strain water Exhalant region is provided with water decanter.
- 5. the method for the biochemistry pool according to claim 1 based on MBBR technique upgrade expandings, it is characterised in that described to strain water Residual sludge pump is provided with exhalant region to be used to discharge excess sludge.
- 6. the method for the biochemistry pool according to claim 1 based on MBBR technique upgrade expandings, it is characterised in that the MBBR The preceding interception screen cloth and intercept screen cloth afterwards and flowed to along muddy water whole that mud film aerobic zone influent side and water outlet side are respectively set Set on cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711056490.7A CN107601669A (en) | 2017-11-01 | 2017-11-01 | A kind of method based on MBBR technique upgrade expanding biochemistry pools |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711056490.7A CN107601669A (en) | 2017-11-01 | 2017-11-01 | A kind of method based on MBBR technique upgrade expanding biochemistry pools |
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Cited By (7)
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|---|---|---|---|---|
| CN108191062A (en) * | 2018-03-13 | 2018-06-22 | 济宁市孚源环保科技有限公司 | A kind of pharmacy waste water biochemical processing method based on MBBR techniques |
| CN108238675A (en) * | 2018-03-13 | 2018-07-03 | 济宁市孚源环保科技有限公司 | A kind of AOAO mud membranization work wastewater treatment method |
| CN108249570A (en) * | 2018-03-20 | 2018-07-06 | 青岛思普润水处理股份有限公司 | A kind of integrated MBBR integrated sewage treating apparatus and method |
| CN108328734A (en) * | 2018-03-12 | 2018-07-27 | 济宁市孚源环保科技有限公司 | A kind of sewerage integrated processing method |
| CN109665671A (en) * | 2019-01-22 | 2019-04-23 | 河南弘康环保科技有限公司 | A kind of integrated sewage treating apparatus |
| CN109987707A (en) * | 2019-04-25 | 2019-07-09 | 于萍 | A kind of floating stuffing intermediate processing coupled with MBBR |
| CN115231704A (en) * | 2022-07-19 | 2022-10-25 | 中建三局绿色产业投资有限公司 | Modular multistage biochemical-filtering sewage treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115231704A (en) * | 2022-07-19 | 2022-10-25 | 中建三局绿色产业投资有限公司 | Modular multistage biochemical-filtering sewage treatment system |
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