CN204874203U - Blue charcoal effluent disposal system - Google Patents

Blue charcoal effluent disposal system Download PDF

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CN204874203U
CN204874203U CN201520576504.8U CN201520576504U CN204874203U CN 204874203 U CN204874203 U CN 204874203U CN 201520576504 U CN201520576504 U CN 201520576504U CN 204874203 U CN204874203 U CN 204874203U
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pond
waste water
water
treatment
blue charcoal
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王国按
王浪杰
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CHONGQING JIERUN TECHNOLOGY Co Ltd
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CHONGQING JIERUN TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a blue charcoal effluent disposal system, including pretreatment systems and biochemical treatment system, its characterized in that: wherein pretreatment systems blows including oil removal sedimentation tank, equalizing basin, the coagulation air machine of floating, first middle pond, filtration system, phenol extraction system, the middle pond of second and the ammonia that connects gradually and takes off the tower, the biochemical treatment system is including the middle pond bological aerated filter of combined governing pond, hydrolysis -acidification pool, HABR combined type anaerobism baffling board reactor, AO processing system, sedimentation tank, third and the clean water basin that connect gradually. The utility model discloses process flow is simple, and construction cost is low, and technology advanced technology, operation up to standard is reliable, the construction investment is reasonable, the working costs is low, through the waste water processing finally can discharge to reach standard, economic benefits, environmental benefit and the social of improvement enterprise.

Description

Blue charcoal Waste Water Treatment
Technical field
The present invention relates to a kind of Waste Water Treatment, particularly a kind for the treatment of system of blue charcoal waste water.
Background technology
According to the difference of coking industry investment and production mode, the metallurgical coke that coking chemical waste water is divided into pollution lighter and coke waste water and with serious pollution semicoke and blue charcoal waste water two kinds.
Blue charcoal waste water is the waste water produced in coal semicoke product and quenching process, main containing coal tar oily substance, if any the coal tar oily substance that methyl alcohol, ethanol, formic acid, acetic acid, benzene,toluene,xylene, trimethylbenzene, phenol type substances, naphthalene, anthracene, quinone etc. are main, also containing a large amount of loop chain organic compound, nitrine class inorganic chemical and ammonia nitrogen etc.Because blue charcoal belongs to semicoke product, its waste water quality composition is similar to coke waste water.In coke production, pyrolysis temperature is about 1000 DEG C, and pyrolysis temperature relatively low (about 650 DEG C) in the production of blue charcoal.Therefore containing a large amount of not by the pollutent of high temperature oxidation in blue charcoal factory effluent, its concentration exceeds about 10 times than coke waste water, and the concentration of ammonia nitrogen, phenols is also far above coke waste water, but prussiate and thiocyanide concentration are lower than coke waste water.
Blue charcoal Wastewater Pollutant is of a great variety, complicated component, wherein the concentration of COD, NH3-N, phenol and ammonia is higher, organic composition is complicated, most exist with the form of polycyclic aromatic hydrocarbons, aromatic series and heterogeneous ring compound, and containing a considerable amount of hazardous and noxious substances, biodegradability is poor, and in this waste water, NH3-N, TN (total nitrogen) are higher, and some of them nitrogen-containing heterocycle compound has toxicity, mutagenicity and carinogenicity to human body and animal.
Principal feature has:
1) in the high blue charcoal factory effluent of oil-contg, oil-contg is high, sometimes up to 2500mg/L, is dissolved with a large amount of pollutent in oil.
2) phenol content height Phenol for Waste Water content is up to 2660mg/L.Because the biodegradability of phenol is poor, and there is larger recovery value, therefore, first should carry out phenol extraction.
3) ammonia-nitrogen content is high
In blue charcoal factory effluent, ammonia content is high, sometimes up to 3000mg/L.The ammonia of high density is not only difficult to remove with biochemical process, and it has certain toxic action to biochemical treatment effect microorganism, can kill active sludge time serious, destroys whole biological treatment system.
4) hardly degraded organic substance content is high
Containing a large amount of benzene series, naphthalene system and heterocyclic hardly degraded organic substance in blue charcoal factory effluent, it is up to standard that common aerobic activated sludge process is difficult to directly process.
Just because blue charcoal waste water contains above feature, certainly directly can not discharge, therefore search out an applicable industrial construction, effective method of wastewater treatment becoming at present our problem in urgent need to solve.
Summary of the invention
For existing problem, the object of the present invention is to provide a kind for the treatment of system that can ensure the effective blue charcoal waste water of engineering construction, after treatment can qualified discharge.
To achieve these goals, technical scheme of the present invention is: a kind of blue charcoal Waste Water Treatment, comprise pretreatment system and biochemical treatment system, it is characterized in that: wherein pretreatment system comprises the oil partiting precipitation pool, equalizing tank, coagulation air-float machine, the first intermediate pool, filtering system, phenol extraction system, the second intermediate pool and the Ammonia blowing-out tower that connect successively;
Described biochemical treatment system comprise connect successively comprehensive adjustment pond, hydrolysis acidification pool, HABR composite anaerobic baffled reactor, A/O treatment system, settling tank, the 3rd intermediate pool, BAF and clean water basin.
Treatment process is: pretreatment stage comprises:
Factory effluent carries out oily water separation through oil partiting precipitation pool, then enters the equilibrium that equalizing tank carries out water quality and quantity; Factory effluent in equalizing tank is extracted into coagulation air-float machine through lift pump, adds emulsion splitter, flocculation agent and coagulating agent in coagulation air-float machine, and after dissolved air flotation, factory effluent enters the first intermediate pool; Factory effluent in first intermediate pool is extracted into filtering system again and filters, the SS further in removing waste water and oily substance;
Filtrate after filtration enters phenol extraction system, and waste water after extracting and dephenolizing regulates pH10-12, removes most free ammonia with pumping in Ammonia blowing-out tower after being steam heated to 45-55 DEG C;
The described biochemical treatment stage comprises:
Remove the factory effluent after most ammonia-nitrogen through Ammonia blowing-out tower and enter hydrolysis acidification pool behind comprehensive adjustment pond, enter HABR composite anaerobic baffled reactor from hydrolysis acidification pool waste water out, utilize the anaerobic bacterium in anaerobic pond to degrade to the organism in waste water;
Then enter A/O treatment system, the Aerobic Pond in A/O treatment system adds Powdered Activated Carbon, and waste water out enters settling tank afterwards from A/O treatment system, then after the 3rd intermediate pool, BAF qualified discharge.
Factory effluent of the present invention refers to the waste water produced in the blue charcoal production process except quenching waste water, coal-fired pipeline water of condensation, gas liquor water shutoff and laboratory assay water.After the method process, energy qualified discharge, current engineering has been built, and is in stable running status, and technical process is simple, and device is few, and construction cost is low, and working cost is low.
In such scheme: also comprise water collecting basin, the outlet conduit of described water collecting basin is connected with comprehensive adjustment pond.
Quenching waste water, coal-fired pipeline water of condensation, gas liquor water shutoff and laboratory assay water are collected water collecting basin, is then extracted into comprehensive adjustment pond and mixes with pretreated factory effluent.Quenching waste water, coal-fired pipeline water of condensation, gas liquor water shutoff and laboratory assay water are collected separately, without pretreatment stage, directly enter the biochemical treatment stage, because the oil-contg of these waste water own is not high, phenol content is not high, biodegradability is good, does not directly mix with factory effluent, reduces pre-treatment cost.
In such scheme, described hydrolysis acidification pool comprises pond body, in the bottom of pond body, aerating apparatus is set, the bottom of described pond body is provided with water inlet pipe, the pulsed water distributor be connected with water inlet pipe is provided with in the body of pond, described pulsed water distributor is positioned at below aerating apparatus, is provided with water outlet on the top of pond body.Water outlet draws two return lines, and one of them is connected with the shore pipe being positioned at body lower end, pond, and another is connected with water inlet pipe.
In such scheme: described A/O treatment system comprises anoxic pond, Aerobic Pond, and waste water first enters Aerobic Pond after anoxic pond, after finally entering settling tank precipitation, enter next link; Wherein the partial sludge of settling tank is back to anoxic pond by mud return line, and the effluent part in described Aerobic Pond is back to anoxic pond by return of waste water pipe.By the mixed solution of Aerobic Pond and the sludge reflux of settling tank to anoxic pond, can when realizing anti-nitration reaction, organism in raw wastewater can be utilized directly as organic carbon source, become nitrogen by what return from Aerobic Pond containing the nitrate denitrification in the mixed solution of nitrate.The basicity produced due to anti-nitration reaction in denitrification reactor (anoxic pond) can enter aerobic nitrification reactor (Aerobic Pond) with water outlet, about compensating the half of required consumption basicity in nitration reaction process.Aerobic nitrator is arranged on the rear end of flow process, and organism usually residual in denitrification process also can be made to be able to further removal.
In such scheme: also comprise materialized mud pond and biochemical sludge pond, materialized mud pond is entered from coagulation air-float machine mud out, enter biochemical sludge pond from hydrolysis acidification pool, HABR composite anaerobic baffled reactor, settling tank mud out, the mud in described materialized mud pond and biochemical sludge pond enters chamber filter press through mud pumping of screw pump.Mud is classified process after pressure filter press filtration.
In such scheme: also comprise phenol reextraction system, the extraction agent outlet of described phenol extraction system is connected with the import of phenol reextraction system, and after stripping, extraction agent returns phenol extraction system.
The invention has the beneficial effects as follows: present invention process flow process is simple, construction cost is low, Technology is advanced, up to standard reliable, construction investment is reasonable, working cost is low, treated waste water finally can qualified discharge, improves the economic benefit of enterprise, environmental benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is present invention process schema;
Fig. 2 is the structural representation of hydrolysis acidification pool.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described:
Embodiment 1
Waste water handled by the present invention is blue charcoal waste water, is the waste water produced in coal semicoke product and quenching process.Waste water in production process except quenching waste water, coal-fired pipeline water of condensation, gas liquor water shutoff and laboratory assay water is called factory effluent by the present invention, do not comprise sanitary wastewater, factory effluent, first after pre-treatment, mixes with quenching waste water, coal-fired pipeline water of condensation, gas liquor water shutoff and laboratory assay water in comprehensive adjustment pond.
Emission standard:
According to the technical requirements of this project bid file, blue charcoal factory effluent performs " coking chemistry emission of industrial pollutants standard " (GB16171-2012), and institute's effluent master control water-quality guideline and emission concentration limit value should meet the requirement of table 1:
Table 1 sewage works water outlet master control water-quality guideline and concentration limit table look-up thereof
Waste water quality situation is in table 2:
Table 2
Whole treatment system comprises pretreatment system and biochemical treatment system
As shown in Figure 1: pretreatment system comprises the oil partiting precipitation pool 1, equalizing tank 2, coagulation air-float machine 3, first intermediate pool 4, filtering system 5, phenol extraction system 6, phenol reextraction system 7, second intermediate pool 8, the Ammonia blowing-out tower 9 that connect successively.
Biochemical treatment system comprises for collecting quenching waste water, coal-fired pipeline water of condensation, the water collecting basin 10 of gas liquor water shutoff and laboratory assay water, comprehensive adjustment pond 11, hydrolysis acidification pool 12, HABR composite anaerobic baffled reactor 13, anoxic pond 14, Aerobic Pond 15, settling tank 16, the 3rd intermediate pool 18, BAF 19 and clean water basin 20, the water qualified discharge of clean water basin 20.
Concrete treatment process process is:
1, oil removal precipitation
Factory effluent enters oil partiting precipitation pool.
Containing a large amount of oily substance in factory effluent, dissolve a large amount of organic pollutant in oil, by the removal to tar-like substance, also can remove some organic pollutants, and then reduce the operating load of follow-up workshop section.
Oils in factory effluent can be divided into oil slick, dispersed oil, oil in water emulsion and dissolving oil 4 kinds:
(1) oil slick, its warp is generally greater than 100 μm, floats on the water surface with the form of external phase, forms oil film or oil reservoir.
(2) dispersed oil, with small oil droplet suspension in water, unstable, usually become oil slick after leaving standstill for some time, the grain of oil droplet is through generally between 10 ~ 100 μm.
(3) oil in water emulsion, when in waste water containing certain tensio-active agent time or oil-water mixture after the impeller pump high speed rotating that rotating speed is about 3000r/min, oil droplet just becomes stable emulsion and is scattered in water, oil droplet grain is through minimum, be generally less than 10 μm, most between 0.1 ~ 2 μm, simple more difficult with the method for leaving standstill separation.
(4) dissolving oil, the microparticulate of dissolving with a kind of chemical mode oil, elaioleucite diameter is generally less than 0.1 μm.
First blue charcoal factory effluent enters oil partiting precipitation pool, carries out oily water separation wherein.The heavy oil separated is deposited in the oil bucket of bottom, is promoted to heavy oil storage tank stores by oil pump; Oil slick, dispersion on oil floats on water, are scraped to oil slick groove from flowing to the storage of light oil storage tank through Oil scraper.
After oil removal precipitation process, also containing a certain amount of oil slick, dispersed oil in waste water, removed by air-flotation system effect.
2 coagulation air-floats
From oil partiting precipitation pool 1, waste water out enters equalizing tank 2, is then extracted into coagulation air-float machine 3 with pump.
Entering between coagulation air-float machine 3, adopting plant area's steam waste water to be heated to 25-30 DEG C, the oil in water emulsion in waste water, colloidal type pollutent, adopting dosing air-dissolving air-float to be removed.Before dosing air supporting, emulsion splitter (iron trichloride add-on is 1-2g/L waste water) is adopted to make oil in water emulsion structure deteriorate, to reach in oil in water emulsion the object come that is respectively separated.
Adding coagulating agent is more wherein PAC, and flocculation agent is PAM, and the add-on of described PAC is 0.8-1.5g/L waste water, and the add-on of described PAM is 10 ~ 50mg/L.
Most of organism in waste water can be removed by oil removal precipitation, breakdown of emulsion, air supporting, alleviate subsequent technique processing pressure.
After coagulation air-float, enter the first intermediate pool 4, then go filtering system 5 to filter, removing residue.The backwashing water of filtering system 5 enters equalizing tank 2.Coagulation air-float machine residue out enters materialized mud pond 21, classification process after mud spiral pump 22, chamber filter press 23 press filtration.
3 phenol extractions
Filtering system 5 filtrate out enters phenol extraction system 6, and extraction agent is MIBK extraction agent, is that 3:1-4:1 extracts according to the throughput ratio of waste water and extraction agent.
Extraction agent enters phenol reextraction system 7, and carry out reextraction with alkali lye and obtain sodium phenolate, the extraction agent after reextraction enters phenol extraction system 6 again and extracts.Alkali lye is sodium carbonate solution or sodium hydroxide solution, and the concentration of alkali lye is 10%-15%, and the throughput ratio of extraction agent and alkali lye is 2:1-3:1.
By phenol content≤200mg/L after this extraction step, the waste water after extraction enters the second intermediate pool 8.
4, denitrogenation
In factory effluent, ammonia nitrogen up to 3000mg/L, can adopt biological denitrificaion intractability very large, enters biochemical system again and carry out biological denitrificaion after needing first pre-treatment to remove most ammonia-nitrogen completely.
This programme selects cost-effective blow-off method, and reclaim(ed) sulfuric acid ammonium also can produce certain economic value, offset operation cost.
Waste water enters Ammonia blowing-out tower 9, and the equipment that Ammonia blowing-out tower 9 removal of ammonia and nitrogen adopts is generally and fills Packed stripping tower and centrifugal blower.Ammonia blowing-out tower adopts circular packing tower structure, and tower top is waste water water distribution area, and middle part is packing area, and bottom is air flow method district and catchment area.Centrifugal blower blasts air from tower bottom, pH value is adjusted to 10-12, temperature be 45-55 DEG C (steam need be adopted to heat) waste water from tower top evenly spray and, waste water on the surface of filler carefully thin, uniform liquid film contact with air is reverse, under the effect of air, volatilize from water with the ammonia that NH3 free molecule form exists, thus by ammonia nitrogen removal.Stripping gas containing ammonia adopts dilute sulphuric acid washing and recycling in recovery tower, generates ammonium sulfate, can make Agricultural Fertilizer and use.
5, acidication,
Quenching waste water, coal-fired pipeline water of condensation, gas liquor water shutoff and laboratory assay water enter water collecting basin 10.
Waste water after denitrogenation enters comprehensive adjustment pond 11 and mixes with the waste water from water collecting basin 10.Then hydrolysis acidification pool 12 is pumped into.
Organism in blue charcoal waste water (comprising factory effluent, quenching waste water, coal-fired pipeline water of condensation, gas liquor water shutoff and laboratory assay water) is divided into biodegradable and not biodegradable two classes.In biodegradable organic, have again readily biodegradable and difficult for biological degradation point.The poor major cause of blue charcoal wastewater biodegradability is that biological degradation at a slow speed and refractory organic proportion are higher.General Aerobic biological process to hardly degraded organic substance and chroma removal rate not high, this is because some complicated polymer substance under simple aerobic condition molecular structure be difficult to destroy, the biological degradation transformation period is very long.The Main Function of anaerobic biological treatment makes the hardly degraded organic substance in blue charcoal factory effluent and some chromophoric group disintegrate, be substituted or cracking (degraded), thus reduce the colourity of waste water, improves biodegradability.To some chromonic material, even if directly colourity can not be reduced, but change due to molecular structure or chromophoric group, it also can be made easily to be degraded under aerobic condition and to decolour.
Anaerobic treatment process has to pass through four-stage completely: hydrolysis stage, souring stage, acid decline stage, methanation stage.Acidication need complete anaerobic treatment the first two stage, and complete anaerobism has then needed anaerobic treatment whole stage.
Hydrolysis Acidification is under the environment of double oxygen or non-critical anaerobism, completes hydrolysis and acidifying two processes, by effects such as the hydrolysis of microorganism and acidogenic fermentations, the larger molecular organics of complexity is transferred to the process of the products such as simple organic.Make the Substance Transformation of some bio-refractories in waste water be easy degradation product by this process, be beneficial to follow-up biochemical treatment.In chemical industry, pharmaceutical industry waste water treatment technique, more adopt Hydrolysis Acidification as the pre-treatment of aerobic biochemical.
Acidication technique summary has the following advantages:
(1) product of hydrolysis, souring stage is mainly micromolecular organism, and biodegradability is generally better.Because acidication obviously can change the biodegradability of raw wastewater, thus reaction times and the energy consumption of subsequent disposal can be reduced.
(2) be hydrolyzed, acidization can make solid organic matters liquefy, degraded, waste sludge amount can be reduced, its function and anaerobic digester similar.
(3) do not need airtight pond, reduce cost, be convenient to safeguard.
(4) due to reaction controlling at product hydrogen, produce acetic acid and before the methane phase stage, water outlet, without the unpleasant odor of anaerobically fermenting, can improve the environment of waste water processing station.
(5) acidication technology gains everything and lose nothing, and being apt to add utilization to be the sharp weapon of biochemical treatment.
The present invention improves traditional hydrolysis acidification pool, and concrete structure is:
The structure of hydrolysis acidification pool 12, as Fig. 2, comprises pond body 12-1, arranges aerating apparatus 12-2 in the bottom of pond body 12-1, gap aeration, keeps dissolved oxygen in pond to be in double oxygen or non-critical anaerobic state, simultaneously, aerating apparatus 12-2 plays stirring mud, strengthens the effect of muddy water mixing.
The bottom of pond body 12-1 is provided with water inlet pipe, the pulsed water distributor 12-3 be connected with water inlet pipe is provided with in the body 12-1 of pond, rushing formula water distributor 12-3 is positioned at below aerating apparatus 12-2, Inlet flow pattern is made all to become pulse mode over time and space, improve uniformity of water distribution, improve muddy water mixture strength simultaneously.
Water outlet 12-4 is arranged on body 12-1 top, pond, and water outlet 12-4 draws a return line 12-5 and is connected with shore pipe 12-6, and shore pipe 12-6 is positioned at the lower end of pond body 1.Reflux pump is adopted water outlet to be back in hydrolysis acidification pool through shore pipe 12-6 interval.
Water outlet 12-4 also draws another return line, and this return line 12-5 connects the water inlet pipe of hydrolysis acidification pool for diluting the concentration of entering organic matter of water.
6, anaerobic reaction
Waste water after acidication enters HABR composite anaerobic baffled reactor 13, carries out anaerobic reaction, completes methanation.The organic acid that acidication is produced is converted into methane and carbon dioxide immediately.
7, A/O system
A/O system comprises anoxic pond 14, Aerobic Pond 15, and waste water is successively through anoxic pond 14, Aerobic Pond 15, settling tank 16.The effluent part of Aerobic Pond 15 and the partial sludge of settling tank 16 are back to anoxic pond 14.Add Powdered Activated Carbon in Aerobic Pond 14, dosage is 50-100g/L waste water.
Denitrification reactor (anoxic pond) is arranged on the front end of flow process, and removes COD cr, the comprehensive aerobic reactor (Aerobic Pond) that carries out nitration reaction is then arranged on the rear end of flow process, raw wastewater enters anoxic pond and Aerobic Pond and settling tank successively, simultaneously by the mixed solution of Aerobic Pond and the sludge reflux of settling tank to anoxic pond, therefore, can when realizing anti-nitration reaction, organism in raw wastewater can be utilized directly as organic carbon source, become nitrogen by what return from aerobic reactor containing the nitrate denitrification in the mixed solution of nitrate.The basicity produced due to anti-nitration reaction in denitrification reactor can enter aerobic nitrification reactor with water outlet, about compensating the half of required consumption basicity in nitration reaction process.Aerobic nitrator is arranged on the rear end of flow process, and organism usually residual in denitrification process also can be made to be able to further removal.
8, settling tank waste water out enters the 3rd intermediate pool 18, BAF 19 (BAF pond) and clean water basin 20, the water qualified discharge of clean water basin 20.The mud in whole biochemical treatment stage enters biochemical sludge pond 17, classification process after mud spiral pump 21, chamber filter press 22 press filtration.Concrete enters biochemical sludge pond from hydrolysis acidification pool, HABR composite anaerobic baffled reactor, A/O system and final deposition pool mud out.
Table 3 is each index clearance analytical table after each step process of the present invention
Table 3 (mg/l)
As can be seen from Table 3, the clearance of CODcr can reach 99.93%, and the clearance of ammonia nitrogen can reach 99.72%, volatile phenol can reach 99.99%, the clearance of SS can reach 95.28%, and the clearance of petroleum substance can reach 99.99%, and the clearance of sulfide can reach 98.06%.And investigate through serial sampling after a while, find that water outlet can stably reaching standard discharge.This system is effective treatment process to blue charcoal waste water.
The present invention is not limited to above-described embodiment, should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.

Claims (7)

1. a blue charcoal Waste Water Treatment, comprise pretreatment system and biochemical treatment system, it is characterized in that: wherein pretreatment system comprises the oil partiting precipitation pool, equalizing tank, coagulation air-float machine, the first intermediate pool, filtering system, phenol extraction system, the second intermediate pool and the Ammonia blowing-out tower that connect successively;
Described biochemical treatment system comprise connect successively comprehensive adjustment pond, hydrolysis acidification pool, HABR composite anaerobic baffled reactor, A/O treatment system, settling tank, the 3rd intermediate pool, BAF and clean water basin.
2. blue charcoal Waste Water Treatment according to claim 1, it is characterized in that: also comprise water collecting basin, the outlet conduit of described water collecting basin is connected with comprehensive adjustment pond.
3. blue charcoal Waste Water Treatment according to claim 1 or 2, it is characterized in that: described hydrolysis acidification pool comprises pond body, in the bottom of pond body, aerating apparatus is set, the bottom of described pond body is provided with water inlet pipe, the pulsed water distributor be connected with water inlet pipe is provided with in the body of pond, described pulsed water distributor is positioned at below aerating apparatus, is provided with water outlet on the top of pond body.
4. blue charcoal Waste Water Treatment according to claim 3, is characterized in that: described water outlet draws two return lines, and one of them is connected with the shore pipe being positioned at body lower end, pond, and another is connected with water inlet pipe.
5. blue charcoal Waste Water Treatment according to claim 4, is characterized in that: described A/O treatment system comprises anoxic pond, Aerobic Pond, and waste water first enters Aerobic Pond after anoxic pond, enters next link after finally entering settling tank precipitation; Wherein the partial sludge of settling tank is back to anoxic pond by mud return line, and the effluent part in described Aerobic Pond is back to anoxic pond by return of waste water pipe.
6. blue charcoal Waste Water Treatment according to claim 1, it is characterized in that: also comprise materialized mud pond and biochemical sludge pond, materialized mud pond is entered from coagulation air-float machine mud out, enter biochemical sludge pond from hydrolysis acidification pool, HABR composite anaerobic baffled reactor, settling tank mud out, the mud in described materialized mud pond and biochemical sludge pond enters chamber filter press through mud pumping of screw pump.
7. blue charcoal Waste Water Treatment according to claim 1, is characterized in that: also comprise phenol reextraction system, and the extraction agent outlet of described phenol extraction system is connected with the import of phenol reextraction system, and after reextraction, extraction agent returns phenol extraction system.
CN201520576504.8U 2015-08-04 2015-08-04 Blue charcoal effluent disposal system Active CN204874203U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105776711A (en) * 2016-05-10 2016-07-20 李明 Industrial wastewater resource zero-discharge system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105776711A (en) * 2016-05-10 2016-07-20 李明 Industrial wastewater resource zero-discharge system
CN105776711B (en) * 2016-05-10 2018-08-17 李明 A kind of industrial wastewater recycling and zero discharge system

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