CN105036488B - A kind of sludge water total system - Google Patents
A kind of sludge water total system Download PDFInfo
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- CN105036488B CN105036488B CN201510516606.5A CN201510516606A CN105036488B CN 105036488 B CN105036488 B CN 105036488B CN 201510516606 A CN201510516606 A CN 201510516606A CN 105036488 B CN105036488 B CN 105036488B
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- 239000010802 sludge Substances 0.000 title claims abstract description 132
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 127
- 229910001868 water Inorganic materials 0.000 title claims abstract description 126
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- 230000018044 dehydration Effects 0.000 claims abstract description 39
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 39
- 238000004062 sedimentation Methods 0.000 claims abstract description 27
- 230000008719 thickening Effects 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 238000000151 deposition Methods 0.000 claims abstract description 18
- 238000005345 coagulation Methods 0.000 claims abstract description 17
- 230000015271 coagulation Effects 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 12
- 238000010992 reflux Methods 0.000 claims description 25
- 238000012545 processing Methods 0.000 claims description 12
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 24
- 230000008569 process Effects 0.000 abstract description 19
- 239000010865 sewage Substances 0.000 abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052799 carbon Inorganic materials 0.000 abstract description 10
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract 2
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 13
- 239000011574 phosphorus Substances 0.000 description 13
- 229910052698 phosphorus Inorganic materials 0.000 description 13
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 230000001546 nitrifying effect Effects 0.000 description 5
- 239000013589 supplement Substances 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003643 water by type Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 239000010801 sewage sludge Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 241000628997 Flos Species 0.000 description 2
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 230000003158 microbiostatic effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000009294 enhanced biological phosphorus removal Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000003571 opsonizing effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
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- 230000035939 shock Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention proposes a kind of sludge water total system, including a coagulation reaction tank, one end of coagulation reaction tank connects with thickening sludge water, the other end of coagulation reaction tank and a depositing reservoir connect, depositing reservoir and a mixed reaction pond connect, mixed reaction pond and a sedimentation tank connect, sedimentation tank and the first Aerobic Pond connect, first Aerobic Pond and anoxic pond connect, anoxic pond and the second Aerobic Pond connect, the other end of mixed reaction pond is connected with deep dehydration sludge water by first pipeline, the side setting of anoxic pond is connected with deep dehydration sludge water by a second pipe, second Aerobic Pond both can arrange film separation unit in pond, also can be connected with second pond and realize solid-liquid separation.The present invention achieves mud Organic substance in water by the internal treatment of wastes with processes of wastes against one another of sewage treatment plant and the synchronous high-efficiency of nitrogen phosphorus removes, and saves the expense that sludge water Dephosphorization reagent, basicity and carbon source add, greatly reduces mud cost of water treatment.
Description
Technical field
The invention belongs to environmental conservation and water resources rational use field, it is related to a kind of water treatment facilities, particularly a kind of
Sludge water total system.
Background technology
The raising further built with Re-search on Urbanization, the quick increase of sewage load brings the big of sludge yield
Amplitude improves.However, the growing tension of land resource cause thickening after moisture content 80% mud can not meet landfill will
Ask, mud need to reach moisture content and just can be filled below 60% through conditioning further and deep dehydration.At present, sludge deep
Dehydration technique is in Shanghai White Long Gang, Hangzhou seven lattice, Wu Xilu village, Xiamen, Ji Meideng sewage treatment plant practical application.Depth takes off
Sewage sludge water is a kind of by mud feeding lime and FeCl3Nursed one's health, abolished cell wall, release is combined water, absorption water
And internal water, improve the dewatering of mud, then high-pressure compressing is dehydrated and is less than, to moisture content, the waste water producing during 60%.
Mud is less than, by traditional concentration, digestion and dehydration to moisture content, the waste water producing during 80%, and referred to as thickening is dirty
Muddy water.Due to the difference of Opsonizing method, there is significant difference in both in terms of water quality characteristic.
Thickening sludge water has high suspended matter, high positive phosphorus（PO4 3-）With high ammonia nitrogen（NH3-N）Feature, directly flow back
The safe and stable operation of sewage treatment plant can be had a strong impact on to main flow biosystem.Formed particularly during sludge concentration and dewatering
Anaerobic environment can cause a large amount of releases of phosphorus, make the phosphorus load in sludge water would generally exceed sewage treatment plant inflow phosphorus load
10%.But due to can be utilized in sludge water, carbon source concentration is relatively low, and traditional enhanced biological phosphorus removal technology is not appropriate for sludge water and removes
Phosphorus, and chemical dephosphorization technology then needs higher reagent cost.In sludge water the content of nitrogen also can reach influent load 5 ~
10%, the nitrogen-containing pollutant of sludge water middle and high concentration is carried out focusing on it is favorably improved reaction efficiency, enrichment nitrifies micro- life
Thing.However, the scarcity of basicity and carbon source can form suppression to its nitric efficiency in thickening sludge water.The shortage of basicity can be made
Become sludge water can accumulate a large amount of H in nitrifying process+, lead to biosystem pH to decline, microbiostatic activity, reduces pollutant
Removal effect.The scarcity of carbon source then can cause thickening sludge water denitrification electron donor not enough, and biological denitrificaion efficiency is very low.
Deep dehydration sludge water then has high alkalinity, high pH, high Ca2+, the feature of high Organic substance and high ammonia nitrogen.If directly
It is back to main flow biological treatment system front end, its high density pollution thing can cause extreme shock, high concentration to biosystem
Ca2+It is also easy to fouling in reflux line to result in blockage.If processed using bioanalysises, the high pH of deep dehydration sludge water
（11~14）With high Ca2+Water quality also can microbiostatic activity, reduce the removal efficiency of Organic substance and ammonia nitrogen.If using blowing
De- method removes ammonia nitrogen, then face calcium carbonate scaling and a difficult problem for stripping vent gas treatment.
Content of the invention
For above-mentioned technical problem of the prior art, the invention provides a kind of sludge water total system, described
This sludge water total system solve thickening sludge water of the prior art and deep dehydration sludge water can not
Process and the not good technical problem of Nitrogen/Phosphorus Removal simultaneously.
The invention provides a kind of sludge water total system, including a coagulation reaction tank, described coagulating
The one end in pond connects with thickening sludge water, and the described other end of coagulation reaction tank and a depositing reservoir connect, described
Depositing reservoir and mixed reaction pond connect, described mixed reaction pond and a sedimentation tank connect, described sedimentation tank and
One two stage biological processing system connects, described two stage biological processing system by first Aerobic Pond, an anoxic pond and
One the second Aerobic Pond is constituted, and described sedimentation tank and described first Aerobic Pond connect, the first described Aerobic Pond and described
Anoxic pond connect, described anoxic pond and described second Aerobic Pond connect, the second described Aerobic Pond and a second pond
Connect, the side of the second described Aerobic Pond is provided with first bypass duct, the first described bypass duct and described
Anoxic pond connects, and the first described bypass duct is provided with a first nitrification liquid reflux pump, the side of described second pond
It is provided with a sludge water discharge tube, the side of described second pond is additionally provided with second bypass duct, described
Two bypass ducts and the first described Aerobic Pond connect, and the second described bypass duct is provided with first sludge reflux
Pump, the side of described second pond is additionally provided with the 3rd pipeline, the 3rd described pipeline and a biosystem Aerobic Pond
Connect, the other end of described mixed reaction pond is connected with described deep dehydration sludge water by first pipeline, institute
One the first water pump is provided with the first pipeline stated, arranges between described deep dehydration sludge water and the first described pipeline
There is a grid, the side of described anoxic pond is provided with a second pipe, and described second pipe and described depth take off
Sewage sludge water connects, and described second pipe is provided with second water pump.
Further, described depositing reservoir and chemical sludge blow-off pipe connect, described sedimentation tank and one phosphorous
Solid blow-off pipe connects.
Present invention also offers another sludge water total system, including a coagulation reaction tank, described is mixed
One end of solidifying reaction tank connects with thickening sludge water, and the described other end of coagulation reaction tank and a depositing reservoir are even
Connect, described depositing reservoir and a mixed reaction pond connect, described mixed reaction pond and a sedimentation tank connect, and described is heavy
Shallow lake pond and two stage biological processing system connect, described two stage biological processing system by first Aerobic Pond, one lack
Oxygen pond and second Aerobic Pond are constituted, and described sedimentation tank and described first Aerobic Pond connect, described the first Aerobic Pond
Connect with described anoxic pond, described anoxic pond and the second described Aerobic Pond connect, and arrange in the second described Aerobic Pond
There is a membrane separation device, described membrane separation device includes a separation film, the side of the second described Aerobic Pond is arranged
The 3rd bypass duct, the 3rd described bypass duct and described anoxic pond is had to connect, on the 3rd described bypass duct
It is provided with a second nitrification liquid reflux pump, the side of the second described Aerobic Pond is additionally provided with the 4th bypass duct, institute
The 4th bypass duct stated and the first described Aerobic Pond connect, and the 4th described bypass duct is provided with second mud
Reflux pump, the bottom of the second described Aerobic Pond is provided with a sludge water discharge tube, the side of described the second Aerobic Pond
It is additionally provided with the 4th pipeline, the 4th described pipeline and a biosystem Aerobic Pond connect, described mixed reaction pond
Other end connected with described deep dehydration sludge water by first pipeline, the first described pipeline is provided with one
Individual first water pump, is provided with a grid between described deep dehydration sludge water and the first described pipeline, described anoxia
The side in pond is provided with a second pipe, and described second pipe connects with described deep dehydration sludge water, and described
One the second water pump is provided with two pipelines.
Further, described depositing reservoir and chemical sludge blow-off pipe connect, described sedimentation tank and one phosphorous
Solid blow-off pipe connects.
The work process of the present invention is：Add polyacrylamide from the thickening sludge water of pipeline（PAM）Through mixed
After solidifying reactor mixing, enter after depositing reservoir removes oil removal and enter sludge water mixed reaction pond；
From the deep dehydration sludge water of pipeline, remove through grid after big float and floating thing, partial depth takes off
Sewage sludge water is through pump also into mixed reaction pond；
After two kinds of sludge waters remove most phosphorus and part COD after mixed reaction pond mixing, enter sedimentation tank solid-liquid
Separate and recover phosphorous solid product；
The two stage biological processing system that sedimentation tank water outlet entrance is made up of the first Aerobic Pond, anoxic pond and the second Aerobic Pond,
Meanwhile, another part deep dehydration sludge water is then directly entered anoxic pond.In two stage biological processing system, the first Aerobic Pond is complete
The COD degradation of one-tenth thickening sludge water and 30% deep dehydration sludge water and nitrifying process, anoxic pond completes two kinds of sludge waters
Denitrification denitrogenation, the second Aerobic Pond completes the COD degradation of deep dehydration sludge water and nitrification after anoxic denitrification.
Solid-liquid separation unit can adopt sedimentation tank（Second pond）Or the form of membrance separation.
If adopting second pond, the second Aerobic Pond mixed liquor out enters second pond, after solid-liquid separation, handles well
Sludge water is discharged through sewage vent line, and the mud part that second pond bottom concentrates is as excess sludge discharge to sewage disposal
Factory owner flows biosystem Aerobic Pond, and a part is then back to the first Aerobic Pond by sludge reflux pump and supplements activated sludge；
If in the form of membrance separation, the second Aerobic Pond is provided with membrane separation device, described membrance separation fills
Put including separation film, after process, sludge water discharges after membrane filtration, excess sludge is then directly discharged from the second Aerobic Pond, separately
If sludge reflux pump is by part the second Aerobic Pond sludge pumping to the first Aerobic Pond.
Second Aerobic Pond mixed liquor part is back to anoxic pond through reflux pump and carries out denitrification denitrogenation.
It is contemplated that passing through rational sewage treatment process cell layout, thickening is hydrated with deep dehydration mud
And process, then the Ca of deep dehydration sludge water middle and high concentration2+Can under high ph conditions with thickening sludge water in PO4 3-Heavy
Dephosphorization is realized in shallow lake, and in deep dehydration sludge water, the basicity of high-load can effectively supplement the basicity need of two kinds of sludge water nitrifying processes
Ask, the biodegradable organic of high-load then can feed the carbon source needed for two kinds of sludge water denitrifications.
The method have the benefit that：
（1）Under mixed reaction pond high pH environment, deep dehydration sludge water middle and high concentration Ca2+In thickening sludge water
PO4 3-Reaction forms precipitation and removes, and saves Dephosphorization reagent expense；
（2）In deep dehydration sludge water, the basicity of high-load can supplement the required basicity of thickening sludge water nitrification, by force
Change sludge water nitrification effect, save basicity and add expense；
（3）The deep dehydration sludge water of high carbon-nitrogen ratio can supplement needed for the thickening sludge water denitrification process of carbon-nitrogen ratio
Carbon source, improve sludge water denitrification denitrogenation effect, save carbon source add expense.
(4) pass through the optimum organization of process system reaction module, realize inexpensive synchronous high-efficiency and remove in two kinds of sludge waters
Organic substance and nitrogen and phosphorus pollutantses.
The present invention develops sludge water reaction-precipitation-aerobic-anaerobic-aerobic（RSOAO）Technique, realizes sewage treatment plant
The synchronous high-efficiency of mud Organic substance in water and nitrogen and phosphorus pollutantses removes, and ensures the safe and stable operation of sewage treatment plant.
The present invention compares with prior art, and its technological progress is significant.The present invention by within sewage treatment plant with
Give up and control the useless synchronous high-efficiency removal achieving mud Organic substance in water and nitrogen and phosphorus pollutantses, save sludge water Dephosphorization reagent, alkali
The expense that degree and carbon source add, greatly reduces mud cost of water treatment, has ensured the safe and stable operation of sewage treatment plant.
Brief description
Fig. 1 is an a kind of process flow diagram of sludge water total system of the present invention.
Fig. 2 is a kind of another one process flow diagram of sludge water total system of the present invention.
Wherein 1 is grid, 2 is coagulation reaction tank, 3 is depositing reservoir, 4 is mixed reaction pond, 5 is sedimentation tank, 6 is first good
Oxygen pond, 7 be anoxic pond, 8 be the second Aerobic Pond, 9 be second pond；10 is the first water pump（Deep dehydration sludge water is as dephosphorization medicine
Agent adds pump）, 11 be the second water pump（Deep dehydration sludge water adds pump as denitrifying carbon source）, 12 be first nitrification liquid backflow
Pump；13 is the first sludge reflux pump；14 is chemical sludge blow-off line, 15 is phosphorous solid blow-off line, 16 is excess sludge
Delivery pipe；17 is sludge water discharge tube after process；18 is the second nitrification liquid reflux pump；19 is the second sludge reflux pump, and 20 are
Membrane separation device.
Specific embodiment
Below by specific embodiment and combine accompanying drawing the present invention is expanded on further, but it is not intended to limit the present invention.
Embodiment 1
As shown in figure 1, a kind of present invention sludge water total system, 7m3/ d deep dehydration sludge water through grid 1 at
Reason, 10m3/ d thickening sludge water is processed through coagulation reaction tank 2 and depositing reservoir 3, the waterpower of coagulation reaction tank 2 and depositing reservoir 3
The time of staying is respectively 20 and 15 min, and depositing reservoir 3 sludge discharging period is 3 h；2 m3The deep dehydration sludge water of/d after pump 10,
Enter mixed reaction pond 4 and sedimentation tank 5 with thickening sludge water, the hydraulic detention time of reaction tank 4 and sedimentation tank 5 is respectively
60 and 15 min, sedimentation tank 5 sludge discharging period is 1.5 h；Sedimentation tank 5 water outlet is through by the first Aerobic Pond 6, anoxic pond 7, second best
Second pond 9 is entered after the biological processing unit of oxygen pond 8 composition；First Aerobic Pond 6, anoxic pond 7, the second Aerobic Pond 8 hydraulic retention
Time is respectively 8,4 and 16h；Meanwhile, remaining 5m3The deep dehydration sludge water of/d adds anoxic pond 7 through pump 11.
The outlet of the second Aerobic Pond 8 is provided with a bypass, through sludge reflux pump 12 by the nitrifying sludge by the second Aerobic Pond 8
It is back to anoxic pond 7 front end, reflux ratio R1For 300%.Second pond 9 is provided with two-way outlet, and a road is treated good sewage
Exhaust outlet 17, a road is that the floss hole 16 of excess sludge is discharged into sewage treatment plant's main flow biosystem Aerobic Pond, in residue
The floss hole of mud is provided with a bypass, will be returned by the excess sludge that second pond 9 emits after the first sludge reflux pump 13
It flow to Aerobic Pond 6 front end, reflux ratio R2For 50%.
A kind of work process of above-mentioned sewage disposal system is as follows：
From the deep dehydration sludge water of pipeline, remove big float and floating thing through grid 1；Dredge from pipeline and send
Thickening sludge water adds PAM through coagulation reaction tank 2 coagulating, after entering depositing reservoir 3 removal mud and float, then
30% deep dehydration sludge water, after pump 10, enters mixed reaction pond 4 reaction with thickening sludge water and goes dephosphorization and part to have
Machine thing, subsequently into sedimentation tank 5 solid-liquid separation, reclaims phosphorous solid product.
Sedimentation tank 5 water outlet subsequently enters the two stage biological processing system being made up of Aerobic Pond 6, anoxic pond 7, Aerobic Pond 8,
Complete COD degradation and nitrifying process in Aerobic Pond 6, in anoxic pond 7, complete denitrification denitrogenation, add 70% depth through pump 11
Dewatered sludge water supplements the carbon source needed for denitrification, completes to the new deep dehydration adding containing ammonia nitrogen in high density in Aerobic Pond 8
Sludge water nitrification and COD degradation process.
Aerobic Pond 8 mixed liquor out is divided into two parts, and it is complete that a part is delivered to anoxic pond 7 through the first sludge reflux pump 12
The denitrification denitrogenation of the 70% deep dehydration sludge water supplementing after one-tenth, is partly into second pond 9, solid-liquid separation post processing is good
Discharge through sludge water discharge tube 17, the mud part that second pond 9 bottom concentrates is discharged by excess sludge discharge pipeline 17,
Sewage treatment plant's main flow biosystem Aerobic Pond strengthening nitrification can be emitted into, a part is then conveyed by the first sludge reflux pump 13
To the first Aerobic Pond 6.
If in the form of membrance separation, the second Aerobic Pond 8 is placed with membrane separation device 20, described membrance separation
Device 20 includes a separation film, and after process, sludge water discharges after membrane filtration, and excess sludge is then directly from the second Aerobic Pond 8
Middle discharge, the outlet of the second Aerobic Pond 8 is provided with a bypass, through the second sludge reflux pump 18 by the nitrification by the second Aerobic Pond 8
Sludge reflux is to anoxic pond 7 front end, reflux ratio R1For 300%.Separately setting the second sludge reflux pump 19 will be dirty for part the second Aerobic Pond 8
The first Aerobic Pond 6 delivered to by dredge pump.
Run 100 days by process above mode is continuous.Dissolubility COD, BOD in water inlet thickening sludge water5, ammonia nitrogen,
Total nitrogen and total phosphorus mean concentration are 152.2,27.5,105.8,145.2 and 69.4mg/L, dissolubility in deep dehydration sludge water
COD、BOD5, ammonia nitrogen, total nitrogen and total phosphorus mean concentration be 3480.4,1052.1,341.6,347.6 and 17.4mg/L.Through this
After the above-mentioned RSOAO PROCESS FOR TREATMENT of bright proposition, reactor pH 6.5～7.5, water outlet COD, ammonia nitrogen, total nitrogen and total phosphorus mean concentration
It is respectively 225.1,35.8,67.4 and 3.2mg/L.With respect to two kinds of sludge waters according to the mixed water quality of the water yield, COD, ammonia nitrogen,
Total nitrogen and total tp removal rate are respectively 85.2%, 82.3%, 70.5% and 93.3%.
The above is only the citing of embodiments of the present invention it is noted that ordinary skill for the art
For personnel, on the premise of without departing from the technology of the present invention principle, some improvement and modification can also be made, these improve and become
Type also should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of sludge water total system, including a coagulation reaction tank it is characterised in that：Described coagulation reaction tank
One end connects with thickening sludge water, and the described other end of coagulation reaction tank and a depositing reservoir connect, and described is clear
Qing Chi and mixed reaction pond connects, and described mixed reaction pond and a sedimentation tank connect, described sedimentation tank and one
Two stage biological processing system connects, and described two stage biological processing system is by first Aerobic Pond, an anoxic pond and one
Second Aerobic Pond composition, described sedimentation tank and described the first Aerobic Pond connection, the first described Aerobic Pond and described lacking
Oxygen pond connects, and described anoxic pond and the second described Aerobic Pond connect, and the second described Aerobic Pond and a second pond connect,
The side of the second described Aerobic Pond is provided with first bypass duct, the first described bypass duct and described anoxic pond
Connect, the first described bypass duct is provided with a first nitrification liquid reflux pump, the side of described second pond is provided with
One sludge water discharge tube, the side of described second pond is additionally provided with second bypass duct, described the second bypass
Pipeline and the first described Aerobic Pond connect, and the second described bypass duct is provided with first sludge reflux pump, described
The side setting of second pond also have the 3rd pipeline, the 3rd described pipeline and biosystem Aerobic Pond to connect, institute
The other end of the mixed reaction pond stated is connected with deep dehydration sludge water by first pipeline, on the first described pipeline
It is provided with first water pump, between described deep dehydration sludge water and the first described pipeline, be provided with a grid, institute
The side of the anoxic pond stated is provided with a second pipe, and described second pipe connects with described deep dehydration sludge water,
One the second water pump is provided with described second pipe.
2. a kind of sludge water total system according to claim 1 it is characterised in that：Described depositing reservoir and one
Chemical sludge blow-off pipe connects, and described sedimentation tank and a phosphorous solid blow-off pipe connect.
3. a kind of sludge water total system, including a coagulation reaction tank it is characterised in that：Described coagulation reaction tank
One end connects with thickening sludge water, and the described other end of coagulation reaction tank and a depositing reservoir connect, and described is clear
Qing Chi and mixed reaction pond connects, and described mixed reaction pond and a sedimentation tank connect, described sedimentation tank and one
Two stage biological processing system connects, and described two stage biological processing system is by first Aerobic Pond, an anoxic pond and one
Second Aerobic Pond composition, described sedimentation tank and described the first Aerobic Pond connection, the first described Aerobic Pond and described lacking
Oxygen pond connects, and described anoxic pond and the second described Aerobic Pond connect, and be provided with a film and divide in the second described Aerobic Pond
From device, described membrane separation device includes a separation film, and the side of the second described Aerobic Pond is provided with one the 3rd
Bypass duct, the 3rd described bypass duct and described anoxic pond connect, and the 3rd described bypass duct is provided with one
Second nitrification liquid reflux pump, the side of the second described Aerobic Pond is additionally provided with the 4th bypass duct, by the of the described 4th
Road pipeline and the first described Aerobic Pond connect, and the 4th described bypass duct is provided with second sludge reflux pump, institute
The bottom of the second Aerobic Pond stated is provided with a sludge water discharge tube, and the side of the second described Aerobic Pond is additionally provided with one
Individual 5th pipeline, the 5th described pipeline and biosystem Aerobic Pond connect, the other end of described mixed reaction pond
Connected with deep dehydration sludge water by first pipeline, the first described pipeline is provided with first water pump, described
Deep dehydration sludge water and the first described pipeline between be provided with a grid, the side of described anoxic pond is provided with one
Individual second pipe, described second pipe connects with described deep dehydration sludge water, and described second pipe is provided with one
Individual second water pump.
4. a kind of sludge water total system according to claim 3 it is characterised in that：Described depositing reservoir and one
Chemical sludge blow-off pipe connects, and described sedimentation tank and a phosphorous solid blow-off pipe connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510516606.5A CN105036488B (en) | 2015-08-21 | 2015-08-21 | A kind of sludge water total system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510516606.5A CN105036488B (en) | 2015-08-21 | 2015-08-21 | A kind of sludge water total system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105036488A CN105036488A (en) | 2015-11-11 |
| CN105036488B true CN105036488B (en) | 2017-03-01 |
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Address after: 200090 No. 2103, Pingliang Road, Shanghai, Yangpu District Patentee after: Shanghai University of Electric Power Address before: 200090 No. 2103, Pingliang Road, Shanghai, Yangpu District Patentee before: SHANGHAI University OF ELECTRIC POWER |
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Effective date of registration: 20230912 Address after: No. 615, Beizhai, Xintang Village, Zhelin Town, Fengxian District, Shanghai, 2014 Patentee after: Fang Leiping Address before: 200090 No. 2103, Pingliang Road, Shanghai, Yangpu District Patentee before: Shanghai University of Electric Power |