CN205590517U - Ozone - membrane bioreactor coking wastewater advanced treatment unit that pH control was adjusted - Google Patents
Ozone - membrane bioreactor coking wastewater advanced treatment unit that pH control was adjusted Download PDFInfo
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- CN205590517U CN205590517U CN201620362837.5U CN201620362837U CN205590517U CN 205590517 U CN205590517 U CN 205590517U CN 201620362837 U CN201620362837 U CN 201620362837U CN 205590517 U CN205590517 U CN 205590517U
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- CBENFWSGALASAD-UHFFFAOYSA-N ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 239000012528 membrane Substances 0.000 title claims abstract description 39
- 238000004939 coking Methods 0.000 title claims abstract description 34
- 239000002351 wastewater Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 230000003647 oxidation Effects 0.000 claims abstract description 47
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 47
- 238000009287 sand filtration Methods 0.000 claims abstract description 15
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 9
- 230000002572 peristaltic Effects 0.000 claims abstract description 9
- 230000004308 accommodation Effects 0.000 claims description 22
- 239000003513 alkali Substances 0.000 claims description 22
- 239000002894 chemical waste Substances 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 14
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 4
- 239000012510 hollow fiber Substances 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims description 3
- 238000000108 ultra-filtration Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 2
- 238000005276 aerator Methods 0.000 claims 1
- 238000007654 immersion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 18
- 230000002000 scavenging Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 17
- 239000000047 product Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 239000010865 sewage Substances 0.000 description 7
- 241000276438 Gadus morhua Species 0.000 description 5
- 235000019516 cod Nutrition 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 230000004059 degradation Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 230000001590 oxidative Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N Sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- 230000003197 catalytic Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl radical Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000813 microbial Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000006385 ozonation reaction Methods 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 230000001603 reducing Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000036740 Metabolism Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Natural products OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 231100000614 Poison Toxicity 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000005039 chemical industry Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000295 complement Effects 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M isothiocyanate Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000035786 metabolism Effects 0.000 description 1
- 230000002906 microbiologic Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- SMWDFEZZVXVKRB-UHFFFAOYSA-N quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Abstract
The utility model discloses an ozone that pH control was adjusted membrane bioreactor coking wastewater advanced treatment unit, include: sand filtration tank is equipped with coking wastewater entry and delivery port, and the delivery port is connected with the ozone oxidation tower through buffer pool and the pipeline that is equipped with the centrifugal pump, be equipped with gas distribution device and the ultraviolet fluorescent tube above the gas distribution device bottom in the ozone oxidation tower, the gas distribution device is connected with the outside ozone generator who sets up of ozone oxidation tower, and the outlet pipe and the acid -base regulation jar of ozone oxidation tower are connected, the acid -base is adjusted the jar and is connected with the peristaltic pump, and the outlet pipe that the jar was adjusted to the acid -base is connected to integrated MBR pond through the water pump, the outlet pipe in integration MBR pond is connected with the product water tank through being equipped with the pipeline of producing the water pump, wash the play water piping connection of water tank through the pipeline that is equipped with anti - scavenging pump and the MBR pond that unifies. Is the device because with ozone membrane bioreactor combines, has improved the utilization efficiency of ozone, saves the ozone cost, improves coking wastewater's advanced treatment effect.
Description
Technical field
This utility model relates to field of waste water treatment, and the ozone-membrane bioreactor particularly relating to a kind of pH control and regulation is burnt
Change advanced waste treatment apparatus.
Background technology
Coking chemical waste water is the industrial wastewater that coking industry produces in High T-emperature Carbonization, gas purification and side-product removal process.
Such waste water does not contain only the inorganic pollutions such as the ammonia nitrogen of high concentration, cyanide, rhodanide, but also containing some phenols,
The organic pollutions such as pyridine, quinoline, polycyclic aromatic hydrocarbon, are a kind of typical poisonous and harmful and the industrial wastewater of difficult for biological degradation.
The process technique that coking chemical waste water is conventional at present is dephenolize ammonia still process pretreatment+biochemistry two stage treatment+coagulation-settlement process.Use this work
Although skill can remove partial organic substances, but owing to waste water can be biochemical poor, the content of organics of difficult for biological degradation is higher, water outlet COD
The highest with ammonia nitrogen concentration, effluent quality is unstable, it is difficult to reach discharging standards.
In order to improve the treatment effect of coking chemical waste water, reducing the coking chemical waste water harm to environment, coking wastewater deep treatment is urgently
Solve.Bi-membrane method is conventional advanced treatment process of coking waste water, and effluent quality is good, but it is high to there is also processing cost, residue
The reluctant problem of dense water.
The oxidation-reduction potential of ozone is 2.07V, can aoxidize the organic pollution of multiple difficult degradation in water, react with Organic substance
Speed is fast, does not produce secondary pollution, additionally it is possible to play decolouring, the effect of deodorization.The Oxidation of Pre-Ozonation on Organic Matter includes two
Individual aspect: on the one hand ozone is directly to organic Oxidation, on the other hand ozone decomposes through chain reaction raw at self
Become the hydroxyl radical free radical (OH) that oxidability is higher.Hydroxyl radical free radical further aoxidizes hardly degraded organic substance.Research table
Bright after peroxidating, not only the organic concentration in sewage decreases, and the biodegradability of organic matter of water outlet obtains necessarily
The raising of degree, provides feasible guarantee for follow-up secondary biochemical treatment.
In water treatment technology, individually use ozone Oxidation Treatment sewage relatively costly, need to consume substantial amounts of ozone could incite somebody to action
Organic substance permineralization, general ozone oxidation can combine with biological treatment use.Membrane bioreactor (Membrane
Bioreactor, MBR) it is that Novel sewage biological treatment and membrane separation technique combined processes technique, there is occupation of land face
Long-pending little, effluent quality is good, be easy to advantages such as automatically controlling.At present, MBR technique is used widely in sewage disposal.
Along with country's raising to coking wastewater effluent water standard, ozone and MBR technology are so more and more that to be applied at sewage deep
In reason.Ozone oxidation and MBR are combined, form ozone-MBR group technology and be conducive to having complementary advantages, reduce ozone-depleting,
Save processing cost, and the treatment effect of system can be improved.Still do not have ozone-MBR group technology that coking chemical waste water is carried out at present
Advanced treating.
Utility model content
Based on the problem existing for above-mentioned prior art, this utility model provides a kind of pH ozone-membrane bioreaction of control and regulation
Answer device coking wastewater deep treatment device, can realize combining ozone and MBR coking chemical waste water carries out advanced treating, promote Jiao
Change the advanced treating effect of waste water.
For solving above-mentioned technical problem, this utility model provides the ozone-membrane bioreactor coking of a kind of pH control and regulation to give up
Water depth processing means, processing object is the mixed sinking pool effluent after coking chemical waste water routine biochemistry processes, including: sandfiltration pot, slow
Rush pond, centrifugal pump, ozone oxidation tower, ozonator, acid-alkali accommodation tank, peristaltic pump, integration MBR pond, produce water tank
With cleaning water tank；Wherein,
Described sandfiltration pot is provided with water inlet and outlet, and described outlet is through described Buffer Pool and the pipeline and the institute that are provided with centrifugal pump
State ozone oxidation tower to connect；
Described ozone oxidation tower inner bottom part is provided with distribution device and is in the ultraviolet lamp tube above distribution device, described distribution device
The ozonator that arrange outside with described ozone oxidation tower is connected, the outlet pipe of described ozone oxidation tower and described acid-alkali accommodation
Tank connects；
Described acid-alkali accommodation tank connects described peristaltic pump, and the outlet pipe pump by centrifugation of described regulation tank is connected to described integration
MBR pond；
The outlet pipe in described integration MBR pond is connected with described product water tank through being provided with the pipeline producing water pump；
Described cleaning water tank connects through the outlet pipe being provided with the anti-pipeline and described integrated MBR pond cleaning pump.
The beneficial effects of the utility model are: this advanced treatment apparatus by sandfiltration pot, Buffer Pool, centrifugal pump, ozone oxidation tower,
Ozonator, acid-alkali accommodation tank, peristaltic pump, integration MBR pond, product water tank and cleaning water tank organically combine into coking and give up
The advanced treatment apparatus of water, the ozone strong oxidizing ability making full use of ozone oxidation tower is made a return journey except the Organic substance in coking chemical waste water,
Not merely with the direct oxidation effect organics removal of Pre-Ozonation on Organic Matter, and change part in waste water by ozone oxidation
The biodegradability of organic matter of difficult degradation, this partial organic substances is further by the membrane bioreactor in follow-up integrated MBR pond
Remove, improve the utilization ratio of ozone, save ozone cost, improve system treatment effect；This processing means consider into
The impact of water acid-base value, by arranging acid-alkali accommodation tank before integration MBR pond, improves the new of integration MBR pond microorganism
Old metabolism environment, strengthens this processing means range of application in Practical Project；Use integration MBR pond floor space little,
Operation can be realized and realize automatization, be particularly suitable for the short or limited sewage treatment plant in some soils and carry out the upgrading of technique.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, required use in embodiment being described below
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only embodiments more of the present utility model,
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Obtain other accompanying drawings.
The advanced treatment apparatus schematic diagram that Fig. 1 provides for this utility model embodiment；
In Fig. 1: 1-sandfiltration pot；2-Buffer Pool；3-centrifugal pump；4-ozone oxidation tower；5-ozonator；6-soda acid is adjusted
Joint tank；7-peristaltic pump；8-integration MBR pond；9-produces water tank；10-cleans water tank；
The advanced treatment apparatus that Fig. 2 provides for this utility model embodiment removal effect figure to coking wastewater deep treatment COD.
Detailed description of the invention
Below the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described enforcement
Example is only a part of embodiment of this utility model rather than whole embodiments.Based on embodiment of the present utility model, this
The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality
Novel protection domain.
With specific embodiment, advanced treatment apparatus of the present utility model is described further below in conjunction with the accompanying drawings.
As it is shown in figure 1, ozone-membrane bioreactor coking chemical waste water that this utility model embodiment provides a kind of pH control and regulation is deep
Degree processing means, the mixed sinking pool effluent after coking chemical waste water routine biochemistry processes, including: sandfiltration pot, Buffer Pool, centrifugal
Pump, ozone oxidation tower, ozonator, acid-alkali accommodation tank, peristaltic pump, integration MBR pond, product water tank and cleaning water tank；
Wherein, sandfiltration pot uses fiberglass sandfiltration pot；
Described sandfiltration pot is provided with coking chemical waste water entrance and outlet, and described outlet is through described Buffer Pool and the pipe being provided with centrifugal pump
Road is connected with described ozone oxidation tower；
Described ozone oxidation tower inner bottom part is provided with distribution device and is in the ultraviolet lamp tube above distribution device, described distribution device
The ozonator that arrange outside with described ozone oxidation tower is connected, the outlet pipe of described ozone oxidation tower and described acid-alkali accommodation
Tank connects；
Described acid-alkali accommodation tank connects described peristaltic pump, and the outlet pipe pump by centrifugation of described acid-alkali accommodation tank is connected to described one
Body MBR pond；
The outlet pipe in described integration MBR pond is connected with described product water tank through being provided with the pipeline producing water pump；
Described cleaning water tank connects through the outlet pipe being provided with the anti-pipeline and described integrated MBR pond cleaning pump.
In above-mentioned advanced treatment apparatus, described integration MBR pond be by be separated out in a cell body anoxic pond that is sequentially communicated and
Membrane cisterna, is provided with agitating device in described anoxic pond, be provided with submerged hollow fiber hyperfiltration membrane assembly, described film in described membrane cisterna
Pond is provided with the reflux pipe being back to described anoxic pond.
In above-mentioned advanced treatment apparatus, acid-alkali accommodation tank uses the regulation tank being provided with soda acid throwing device.
In above-mentioned advanced treatment apparatus, described product water pump uses top to be vacuum tank, and bottom is that the vacuum product water of centrifugal pump is centrifuged
Pump.
In above-mentioned advanced treatment apparatus, ultraviolet lamp tube is set in ozone oxidation tower, uses uviol lamp to carry out photochemical catalytic oxidation,
Improve oxidation effectiveness and the ozone utilization rate of ozone.Acid-alkali accommodation tank is set between ozone oxidation tower and MBR pond, makes ozone
The ozone decomposed of residual in oxidizing tower water outlet, prevents ozone from entering in follow-up integrated MBR pond, impacts microorganism.
Acid-alkali accommodation tank arranges soda acid throwing device, it is ensured that enter the water pH value in integration MBR pond in the range of 6～9.?
Vacuum tank is set between the MBR membrane module outlet pipe in integration MBR pond and centrifugal pump, and makes vacuum by producing the suction of water centrifugal pump
Tank keeps stable negative pressure, realizes stably producing water by siphonage, and this mode simple and stable is reliable, it is to avoid centrifugal pump because of
The gas leakage such as pipeline valve produces idle running and does not inhales the problem such as water or negative pressure shakiness.
In above-mentioned advanced treatment apparatus, sandfiltration pot preferably employs fiberglass sandfiltration pot, is used for removing coking chemical waste water and mixes sinking pool effluent
In partial suspended thing, water does not has when ensureing ozone oxidation the interference of particulate matter；Ozonator is using purity oxygen as former material
Material carries out ozone to be prepared；Efficient ozone oxidizing tower is the place of ozone oxidation hardly degraded organic substance, in order to improve ozone oxidation
Effect, the present invention arranges ultraviolet lamp tube in oxidizing tower, uses photochemical catalytic oxidation to obtain method and improves oxidability and the effect of ozone
Rate, the water outlet of ozone oxidation tower enters acid-alkali accommodation tank；Acid-alkali accommodation tank is located between ozone oxidation tower and integration MBR pond,
The effect of acid-alkali accommodation tank includes two aspects, and one is regulation integration MBR pond water inlet pH value, burnt during production run
It is relatively low that change waste water mixes sinking pool effluent pH sometimes, and acidity is higher, also can have follow-up integrated MBR pond microbial activity and press down
Making use, affect the treatment effect of MBR, acid-alkali accommodation tank can use the regulation tank being configured with soda acid throwing device, can basis
Influent quality feature regulates water inlet pH value in time, ensures follow-up integration MBR pond microbial activity；Two is to reduce ozone pair
The impact of microorganism, the water of mistake treated by ozone can contain certain density ozone, although concentration is the highest, but ozone oxidation is electric
Position is high, and oxidability is strong, can also have a certain impact microorganism in follow-up integrated MBR pond；By being provided with soda acid
Regulation tank, reduces the ozone effect to microbiological effect of ozone oxidation residual, can be by unstable ozone at acid-alkali accommodation tank
Resolving into oxygen in holding process voluntarily, the water of acid-alkali accommodation tank is drawn to integration MBR pond through pumping；Integration MBR Chi Bao
Include: anoxic pond and membrane cisterna, anoxic pond arranges agitating device, membrane cisterna arranges submerged hollow fiber hyperfiltration membrane assembly.Film
Aeration perforated pipe is installed in the bottom of assembly, carries out blast aeration, controls fouling membrane, and membrane module top connects vacuum tank, vacuum
Pot bottom connects centrifugal pump；The clear water of 2/3 is injected in integration MBR pond in advance in vacuum tank before producing water, and vacuum tank is close
Envelope, water centrifugal pump is produced in vacuum tank connection, then by the water of centrifugal pump extracting vacuum tank, makes to produce in vacuum tank negative pressure.?
Under the effect of atmospheric pressure, the water in membrane cisterna mixed liquor through ultrafilter membrane enter pipe influx to vacuum tank, in the effect of centrifugal pump
Water is produced in lower realization continuously, enters into product water tank；Integration side, MBR pond arranges cleaning water tank, cleans water tank and inserts configuration one
Determine the sodium hypochlorite cleanout fluid of concentration, by the anti-pump that cleans, hollow fiber ultrafiltration membrane is carried out medicament cleaning；Integration MBR pond
Produce water, aeration and membrane module cleaning to be all controlled by automatic control system, produce the water cycle and product discharge can basis
Practical situation needs adjustable.
In conjunction with Fig. 1, the technological process of advanced treatment apparatus Treatment of Wastewater in Coking of the present utility model is particularly as follows: coking chemical waste water mixes
Sinking pool effluent is pumped through submersible sewage pump and is filtered to sandfiltration pot, mainly removes float a small amount of in water, it is to avoid particle pair
The impact of follow-up ozone oxidation, ensures ozone oxidation usefulness；Sandfiltration pot water outlet enters Buffer Pool, the most again through transport pump the most extremely
Ozone oxidation tower, the ozone produced with ozonator is fully contacted.The hydraulic detention time of ozone oxidation is 0.9～1.8 little
Time.Ozone oxidation tower water outlet enters regulation tank, and the hydraulic detention time of regulation tank is 1～1.5 hour.Regulation tank is installed
PH meter, is monitored the Acidity of Aikalinity of water inlet.When pH≤5.5, in regulation tank, add sodium hydroxide by peristaltic pump molten
Liquid.When pH >=8.5, stop adding (general coking chemical waste water mixes sinking pool effluent for acidity).Regulation tank water outlet is again through pump
It is pumped to MBR anoxic pond；MBR anoxic pond denitrifying bacteria, the nitrate reduction in membrane cisterna backflow mixed liquor is become nitrogen, and
Consume partial organic substances.Remaining can not dropped by aerobic bacteria further in membrane cisterna by biochemical Organic substance by what denitrifying bacterium utilized
Solve；Finally, active sludge intermixture is formed by membrance separation and produces water and be drained into product water tank, produces water pump and takes out and stop ratio for 8min:2
min；After running a period of time, work as flux depression, when transmembrane pressure rises to 20kPa, open flushing water pump, will clean
The sodium hypochlorite cleanout fluid inverse injection of water tank is to membrane module.
Embodiment
Using advanced treatment apparatus of the present utility model to process Tangshan coal chemical industry enterprises and mix sinking pool effluent, device treatment scale is
1～2m3/ h, device average influent COD 149mg/L, ammonia nitrogen 2.49mg/L, pH 5.2, colourity 50 times.Water outlet COD
Removal effect as in figure 2 it is shown, the removal effect of colourity is preferable.Result shows, average water outlet COD 78mg/L, ammonia nitrogen
0.81mg/L, pH 7.2, colourity 10 times, water outlet reaches " coking chemistry emission of industrial pollutants standard " (GB16171-2012)
Discharging standards.Through adjusting, ozone Oxidation Treatment cost is 0.96 yuan/m3, MBR unit processing cost is 0.8 yuan/m3,
The total processing cost of ozone MBR is 1.76 yuan/m3.Relatively with double membrane process (ultrafiltration+nanofiltration), processing cost is relatively low, and does not has
Dense water produces.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model does not limit to
In this, any those familiar with the art in the technical scope that this utility model discloses, the change that can readily occur in
Change or replace, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with
The protection domain of claims is as the criterion.
Claims (4)
1. ozone-membrane bioreactor coking wastewater deep treatment the device of pH control and regulation, it is characterised in that including:
Sandfiltration pot, Buffer Pool, centrifugal pump, ozone oxidation tower, ozonator, acid-alkali accommodation tank, peristaltic pump, integration MBR
Pond, product water tank and cleaning water tank；Wherein,
Described sandfiltration pot is provided with coking chemical waste water entrance and outlet, and described outlet is through described Buffer Pool and the pipe being provided with centrifugal pump
Road is connected with described ozone oxidation tower；
Described ozone oxidation tower inner bottom part is provided with distribution device and is in the ultraviolet lamp tube above distribution device, described distribution device
The ozonator that arrange outside with described ozone oxidation tower is connected, the outlet pipe of described ozone oxidation tower and described acid-alkali accommodation
Tank connects；
Described acid-alkali accommodation tank connects described peristaltic pump, and the outlet pipe pump by centrifugation of described acid-alkali accommodation tank is connected to described one
Body MBR pond；
The outlet pipe in described integration MBR pond is connected with described product water tank through being provided with the pipeline producing water pump；
Described cleaning water tank connects through the outlet pipe being provided with the anti-pipeline and described integrated MBR pond cleaning pump.
The ozone of a kind of pH the most according to claim 1 control and regulation-membrane bioreactor coking wastewater deep treatment dress
Put, it is characterised in that described integration MBR pond is by being separated out the anoxic pond and membrane cisterna being sequentially communicated, institute in a cell body
It is provided with agitating device in stating anoxic pond, in described membrane cisterna, is provided with submerged hollow fiber hyperfiltration membrane assembly, described immersion hollow
Aeration perforated pipe is installed in the bottom of cellulosic ultrafiltration membrane module, and the aerator arranged with outside is connected, and described membrane cisterna is provided with and is back to
The reflux pipe of described anoxic pond.
Ozone-membrane bioreactor the coking wastewater deep treatment of a kind of pH the most according to claim 1 and 2 control and regulation
Device, it is characterised in that described regulation tank uses the regulation tank being provided with soda acid throwing device.
Ozone-membrane bioreactor the coking wastewater deep treatment of a kind of pH the most according to claim 1 and 2 control and regulation
Device, it is characterised in that described product water pump uses top to be vacuum tank, bottom is that the vacuum of centrifugal pump produces water centrifugal pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620362837.5U CN205590517U (en) | 2016-04-26 | 2016-04-26 | Ozone - membrane bioreactor coking wastewater advanced treatment unit that pH control was adjusted |
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| CN201620362837.5U CN205590517U (en) | 2016-04-26 | 2016-04-26 | Ozone - membrane bioreactor coking wastewater advanced treatment unit that pH control was adjusted |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109422430A (en) * | 2017-09-04 | 2019-03-05 | 中国石油化工股份有限公司 | A kind of processing method of high organic nitrogen waste water |
| CN110723862A (en) * | 2018-07-16 | 2020-01-24 | 中国石油化工股份有限公司 | Method for improving removal effect of ammonia nitrogen and total nitrogen in acrylonitrile sewage |
-
2016
- 2016-04-26 CN CN201620362837.5U patent/CN205590517U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109422430A (en) * | 2017-09-04 | 2019-03-05 | 中国石油化工股份有限公司 | A kind of processing method of high organic nitrogen waste water |
| CN110723862A (en) * | 2018-07-16 | 2020-01-24 | 中国石油化工股份有限公司 | Method for improving removal effect of ammonia nitrogen and total nitrogen in acrylonitrile sewage |
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