CN207645901U - A kind of device of MBBR group technologies processing black and odorous water - Google Patents
A kind of device of MBBR group technologies processing black and odorous water Download PDFInfo
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- CN207645901U CN207645901U CN201721436513.2U CN201721436513U CN207645901U CN 207645901 U CN207645901 U CN 207645901U CN 201721436513 U CN201721436513 U CN 201721436513U CN 207645901 U CN207645901 U CN 207645901U
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Abstract
The utility model is related to the devices that a kind of MBBR group technologies handle black and odorous water, belong to sewage treatment field comprising adjoin each other integrated anaerobic fermentation/anoxic pond, MBB aerobic tanks and two sedimentation basins；Anaerobic fermentation/the anoxic pond is pumped into the bed mud of black and odorous water by the bed mud suction outside the pond, and is connected with MBBR aerobic tanks by superposed overflow port；The MBB aerobic tanks promote the black smelly water being pumped into above the bed mud of black and odorous water by the upper water outside the pond, and are connected from head piece with sedimentation basin by being discharged after sieve.There are acidogenic fermentation bacterium and denitrifying microorganism in the anaerobic fermentation/anoxic pond, and is equipped with blender；Added with the efficient suspending carrier that can drop organic matter and ammonia nitrogen in MBBR aerobic tanks, the boring aeration pipe being connected with air blower outside pond is arranged in MBBR aerobic tanks bottom, and the top of MBBR aerobic tank outlet edges is equipped with the water outlet sieve for intercepting suspending carrier.The utility model is designed reasonably, it is technologically advanced, realize the advanced treating of the black smelly water and bottom deposit sludge in a processing device system to black and odorous water.
Description
Technical field
The utility model is related to the devices that a kind of MBBR group technologies handle black and odorous water, belong to sewage treatment field.
Background technology
In April, 2015,《Water prevention and cure of pollution action plan》（Hereinafter referred to as " ten, water "）Publication, wherein one of major tasks
The smelly water body treating of urban black, initiation focus in the industry.Subsequent in August, 2015 publication《City black and odorous water renovation guide》,
Specify the investigation of city black and odorous water and identification, the formulation of renovation scheme and implementation, the assessment of renovating effect and examination, long-acting
The contents such as the foundation of mechanism and policy safeguard.
It is to have exceeded the self-cleaning of water body into the pollutant of water body to cause domestic city, rural area to form the main reason for black smelly
Ability so that dissolved oxygen in 0.2mg/L hereinafter, water body is made to be in anaerobic state, detesting by the organic pollution in water body in water body
Under the action of oxygen animalcule, the odorants such as hydrogen sulfide and volatile acid are may partly form, serious pollution is caused to water body.
The pollution control of water body includes being contaminated in water body or the purification of the sewage of micro- pollution, and be deposited on water bottom
Bed mud purification and elimination, the two often separates improvement by the existing frequently-used scheme administered to water pollution, above
Micro-polluted water carries out biochemical treatment, and bed mud carries out materializing strategy, and processing is not thorough and be easy to cause secondary pollution.
Utility model content
The purpose of this utility model is the deficiency for existing black and odorous water treatment technology, overcomes existing processing unit can
The defect that the top sewage disposal of low SS concentration in black and odorous water and bottom bed mud are separately handled provides a kind of MBBR combinations
The device of process black and odorous water, the present apparatus can be by the top sewage disposals of the low SS concentration in black and odorous water and bottom bed mud
It carries out biochemical treatment together in a set of biological treatment device simultaneously, completely eliminates influence of the secondary pollution to ecological environment,
Secondary pollution will not be reproduced into.
The technical solution of the utility model is：
A kind of device of MBBR group technologies processing black and odorous water, including the integrated anaerobic fermentation/anoxic pond that adjoins each other,
MBB aerobic tanks and two sedimentation basins, the anaerobic fermentation/anoxic pond are pumped into the bottom of black and odorous water by the bed mud suction outside the pond
Mud, and connected with MBBR aerobic tanks by superposed overflow port；The MBB aerobic tanks pass through upper water elevator pump outside the pond
The black smelly water being pumped into above the bed mud of black and odorous water, and be connected from head piece with sedimentation basin by being discharged after sieve；The anaerobism
There are acidogenic fermentation bacterium and denitrifying microorganism in fermentation/anoxic pond；In the MBBR aerobic tanks added with can drop organic matter and
The efficient suspending carrier of ammonia nitrogen.
Further, blender is equipped in the anaerobic fermentation/anoxic pond.
Further, the boring aeration pipe being connected with air blower outside pond is arranged in MBBR aerobic tanks bottom.
Further, the top of the MBBR aerobic tanks outlet edge is equipped with the water outlet sieve for intercepting suspending carrier.
Further, the sedimentation basin is connected by sludge reflux pump and pipeline with anaerobic fermentation/anoxic pond, by part
Sedimentation basin residual sludge reflux is to anaerobic fermentation/anoxic pond.
The utility model has following technology advantageous effect：
1) the black smelly water of black and odorous water and bottom deposit sludge are respectively enterd the anaerobism hair of the present apparatus by the utility model
Ferment/anoxic pond and MBBR aerobic tanks realize black smelly water and bottom deposit to black and odorous water in a processing device system
The advanced treating of sludge.
2) the utility model take full advantage of the organic carbon source that black and odorous water bottom deposit sludge has make anaerobic fermentation/lack
Oxygen pond gives full play to denitrification function, also achievees the purpose that simultaneously by the pollutant removal in bed mud；It is pumped into anaerobic fermentation/anoxic
The bed mud in pond is mixed with the returned sludge to come from sedimentation basin reflux, and the denitrifying bacterium in pond is first with having in bed mud
The carbon source that machine object and returned sludge endogenous respiration generate, by the NO in returned sludge3 -- N denitrifications remove；Simultaneous anaerobism
The further hydrolysed ferment degradation of pollutant in bed mud is being generated the carbon source needed for denitrification by bacterium, and the ammonia nitrogen decomposited flows into
Subsequent MBBR aerobic tanks.
3) volumetric loading is high, and the nitrification bacteria biomass on the activated sludge and bio-carrier of MBBR aerobic tanks is big, can will be high
The Ammonia Nitrification of load is at NO3 -- N, stable effluent quality, capacity of resisting impact load are strong.
4) in the activated sludge tank of anaerobic fermentation/anoxic pond other than fermentation and anti-nitration reaction is hydrolyzed, also simultaneously
Removal and the bed mud minimizing purpose of most of organic matter are reached.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Wherein:1- bed mud suction pumps；2- upper water elevator pumps；3- blenders；4- anaerobic fermentations/anoxic pond；5- MBBR are good
Oxygen pond；6- suspending carriers；7- boring aeration pipes；8-MBBR is discharged sieve；9- sedimentation basins；10- sludge reflux pumps；11- is remaining dirty
Dredge pump；12- air blowers.
Specific implementation mode
The utility model is further described with example below in conjunction with the accompanying drawings.
As shown in Figure 1.
A kind of device of MBBR group technologies processing black and odorous water, including the integrated anaerobic fermentation/anoxic pond that adjoins each other
4, MBB aerobic tanks 5 and two sedimentation basins 9.Anaerobic fermentation/the anoxic pond 4 is pumped into black smelly water by the bed mud suction pump 1 outside the pond
The bed mud of body, and connected with MBBR aerobic tanks 5 by superposed overflow port；The MBB aerobic tanks 5 by the pond outside it is upper
Portion's water elevator pump 2 is pumped into the black smelly water above the bed mud of black and odorous water, and by being discharged after sieve 8 from head piece and 9 phase of sedimentation basin
Connection.There are acidogenic fermentation bacterium and denitrifying microorganism in the anaerobic fermentation/anoxic pond 4, and is equipped with blender 3.MBBR is good
Added with the efficient suspending carrier 6 that can drop organic matter and ammonia nitrogen, the setting of 5 bottom of MBBR aerobic tanks and air blast outside pond in oxygen pond 5
The connected boring aeration pipe 7 of machine 12, the top of 5 outlet edge of MBBR aerobic tanks are equipped with the water outlet sieve 8 for intercepting suspending carrier.Into one
Step, the sedimentation basin 9 is connected by sludge reflux pump 10 and pipeline with anaerobic fermentation/anoxic pond 4, and partly precipitated pond is remained
To anaerobic fermentation/anoxic pond 4, sedimentation basin other parts excess sludge is discharged by residual sludge pump 11 outside pond remaining sludge reflux.
The black smelly water of black and odorous water respectively enters anaerobic fermentation/anoxic pond 4 and MBBR aerobic tanks 5 with bottom deposit sludge,
The organic carbon source having using black and odorous water bottom deposit sludge makes anaerobic fermentation/anoxic pond 4 give full play to denitrification function, is pumped into
The bed mud of anaerobic fermentation/anoxic pond 4 is mixed with the returned sludge to come from the reflux of sedimentation basin 9, and the denitrifying bacterium in pond is first
First in bed mud organic matter and the carbon source that generates of returned sludge endogenous respiration by the NO in returned sludge3 -- N denitrifications are gone
It removing, the further hydrolysed ferment degradation of pollutant in bed mud is being generated the carbon source needed for denitrification by simultaneous anaerobic bacteria,
And the ammonia nitrogen decomposited flows into subsequent MBBR aerobic tanks 5.It may be implemented in a processing device system to the black of black and odorous water
The advanced treating of smelly water and bottom deposit sludge.
The workflow of the utility model is：
1）The bed mud of black and odorous water is pumped into anaerobic fermentation/anoxic pond by bed mud suction pump outside pond, with sludge reflux pump from
Sedimentation basin promotes the returned sludge to come and mixes, and under the action of blender, anaerobic fermentation occurs and generates anti-nitration reaction, or
The NO that denitrifying bacterium will be brought into using the carbon source that sludge fermentation and microorganism endogenous respiration generate in returned sludge3 -- N denitrifications are gone
It removes.
2）Muddy water after anaerobic fermentation/anoxic pond reaction flows into aerobic tank by superposed overflow port MBBR, simultaneously
Upper water is promoted outside pond is pumped into MBBR inflow aerobic tanks, the height in MBBR aerobic tanks by the black smelly water above the bed mud of black and odorous water
Imitate organic matter removal during biomembrane and suspended active sludge will intake on suspending carrier, by Ammonia Nitrification at NO3 --N；Simultaneously outside pond
Air blower is supplied oxygen by the boring aeration pipe that bottom of pond portion is arranged for the pond.
3）Muddy water in MBBR aerobic tanks after reaction is gone out by the interception suspending carrier on the top of MBBR aerobic tank outlet edges
Water sieve net flows automatically to sedimentation basin and carries out mud-water separation, and clear water comes back to water body, and some residual sludge is beaten by return sludge pump
To anaerobic fermentation/anoxic pond, other parts excess sludge is discharged by residual sludge pump outside pond.
Example one：
The black and odorous water in certain one river of city, water-quality COD is 72mg/l in the river of chemical examination, and ammonia nitrogen 8mg/l uses this
The utility model handles it.According to experiment, it is 150% to select the activated sludge external reflux ratio from sedimentation basin, as a result
That under the reflux ratio, on the one hand it can be that anaerobic fermentation/anoxic pond supplements microbial biomass, on the other hand it can will activity it is dirty
Nitrification liquid in mud takes back anoxic pond, and nitrate is removed for anoxic denitrification bacterium denitrification in pond.Since hydrolysed ferment is further
Part ammonia nitrogen is generated, in addition the TN that water inlet is brought into, leads to enter sometimes MBBR aerobic tank concentration up to 40mg/l（Generally to be less than should
Value）, but theoretical and experiment all demonstrates in the case of 150% activated sludge external reflux ratio, and the Denitrification rate of TN is up to 60%,
It ensure that final outflow water also ensures ＜ 15mg/l, meet urban wastewater treatment firm pollutant emission standard》（GB 18918-2002）
The standard of middle level-one A.
The parts not involved in the utility model is the same as those in the prior art or can be realized by using the prior art.
Claims (5)
1. a kind of device of MBBR group technologies processing black and odorous water, which is characterized in that the device include adjoin each other it is integrated
Anaerobic fermentation pond, MBB aerobic tanks and two sedimentation basins, the anaerobic fermentation pond are pumped into black smelly water by the bed mud suction outside the pond
The bed mud of body, and connected with MBBR aerobic tanks by superposed overflow port；The MBB aerobic tanks pass through upper water outside the pond
The black smelly water being pumped into above the bed mud of black and odorous water is promoted, and is connected from head piece with sedimentation basin by being discharged after sieve；Institute
Stating has acidogenic fermentation bacterium and denitrifying microorganism in anaerobic fermentation pond；In the MBBR aerobic tanks added with can drop organic matter and
The efficient suspending carrier of ammonia nitrogen.
2. the device of MBBR group technologies processing black and odorous water according to claim 1, which is characterized in that the anaerobism
Blender is equipped in fermentation vat.
3. the device of MBBR group technologies processing black and odorous water according to claim 1, which is characterized in that the MBBR
The boring aeration pipe being connected with air blower outside pond is arranged in aerobic tank bottom.
4. the device of MBBR group technologies processing black and odorous water according to claim 1, which is characterized in that the MBBR
The top of aerobic tank outlet edge is equipped with the water outlet sieve for intercepting suspending carrier.
5. the device of MBBR group technologies processing black and odorous water according to claim 1, which is characterized in that the precipitation
Pond is connected with anaerobic fermentation pond by sludge reflux pump and pipeline and by partly precipitated pond residual sludge reflux to anaerobic fermentation
Pond.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721436513.2U CN207645901U (en) | 2017-11-01 | 2017-11-01 | A kind of device of MBBR group technologies processing black and odorous water |
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| CN201721436513.2U CN207645901U (en) | 2017-11-01 | 2017-11-01 | A kind of device of MBBR group technologies processing black and odorous water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354307A (en) * | 2018-11-01 | 2019-02-19 | 安捷控股有限公司 | A kind of purified in situ black and odorous water processing method and its processing unit |
| CN111635080A (en) * | 2020-06-30 | 2020-09-08 | 福州科力恩生物科技有限公司 | Sewage treatment system and application thereof in purification of breeding sewage and black and odorous water |
-
2017
- 2017-11-01 CN CN201721436513.2U patent/CN207645901U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354307A (en) * | 2018-11-01 | 2019-02-19 | 安捷控股有限公司 | A kind of purified in situ black and odorous water processing method and its processing unit |
| CN109354307B (en) * | 2018-11-01 | 2021-10-01 | 山东尚科环境工程有限公司 | In-situ purification black and odorous water body treatment method and treatment device thereof |
| CN111635080A (en) * | 2020-06-30 | 2020-09-08 | 福州科力恩生物科技有限公司 | Sewage treatment system and application thereof in purification of breeding sewage and black and odorous water |
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