CN207468425U - A kind of high-concentration emulsified liquid processing system - Google Patents

A kind of high-concentration emulsified liquid processing system Download PDF

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Publication number
CN207468425U
CN207468425U CN201721345259.5U CN201721345259U CN207468425U CN 207468425 U CN207468425 U CN 207468425U CN 201721345259 U CN201721345259 U CN 201721345259U CN 207468425 U CN207468425 U CN 207468425U
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fenton
tank
waste
emulsified mixture
liquid
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纪任丹
纪锡和
蔡伟平
蓝燕碧
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Xiamen Dongjiang Environmental Protection Technology Co Ltd
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Xiamen Dongjiang Environmental Protection Technology Co Ltd
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Abstract

The utility model discloses a kind of high-concentration emulsified liquid processing systems, including sequentially connected waste emulsified mixture storage tank, oil separator, Fenton's reaction tank, filter press, evaporator, the filtrate collecting pit being connect with the water outlet of evaporator, ammonification is carried out to waste emulsified mixture for anaerobic organism bacterium, it the anaerobic pond of hydrolysis and is hydrolyzed, the amphimicrobian pond of acidification, it is synthesized for easy-to-keep biological, mineralization removes the aerobic tank of organic matter, for removing the biological aerated filter that the ammonia nitrogen that organic matter is remaining to it simultaneously in waste emulsified mixture is digested, the MBR membrane cisternas being filtered to waste emulsified mixture, reverse osmosis pond, chemical oxidation pond, and reuse pool;The Fenton's reaction tank is connected with the dosing tank two for adding Fenton reagent, the dosing tank four for the dosing tank three that adds demulsifier and for adding liquid caustic soda/calcium hydroxide;Strong with demulsification ability, suitable for the processing of a variety of emulsions, and recycling rate is high, the strong effect of purified treatment ability.

Description

A kind of high-concentration emulsified liquid processing system
Technical field
The present invention relates to technical field of waste water processing, more specifically, it relates to a kind of high-concentration emulsified liquid processing system.
Background technology
In mechanical processing process, it will generally be cooled down with emulsion, lubricate, clean, antirust treatment, machine can be extended Tool service life improves machining accuracy;Machine oil and surfactant are mainly contained in emulsion, is used as needed with oil emulsion Water dilution adds what emulsifier was formulated, is mainly derived from the oil removing process before process of surface treatment and PCB industries chemistry The waste water that oil removing process before copper facing, graphic plating, brown/melanism generates;Emulsion is after multiple Reusability, it may occur that Different degrees of rancid, reduced performance, will regularly replace new emulsion, so just producing a large amount of waste emulsified mixtures;Its feature Various in style, COD and oil content concentration are high, and intractability is big, waste emulsified mixture in addition to the harm with general oily waste water, by In the effect of surfactant, in water, animals and plants, aquatile are more easy to absorb machinery oil high degree of dispersion, and surface-active Agent is in itself also harmful to biology, and the noxious material that also some can be made not soluble in water is dissolved.
Chinese patent literature CN104649481A discloses a kind of equipment for handling waste emulsified mixture, including:Except floating Oily device, for carrying out handling except oil slick to pending waste emulsified mixture, removal floats on the oil slick on waste emulsified mixture liquid level;Grease Separator, for carrying out water-oil separating processing to the waste emulsified mixture for eliminating oil slick, removal is suspended in point in waste emulsified mixture Dissipate oil;Apparatus for electrochemical treatment for carrying out electrochemical treatments to water-oil separating treated waste emulsified mixture, makes emulsification therein Oil and dissolved oil flocculation obtain eliminating oil slick, dispersed oil and the flocculated bulk processing of its oil emulsion and dissolved oil and give up breast Change liquid;Wherein, the aluminium sheet and nano ceramics film used the power on carries out the electrochemical treatments.
Wherein, hyperfiltration treatment is carried out to bulk processing emulsion after staticly settling processing using the nano ceramics film of power-off, obtained To the clear water without oil slick, dispersed oil, oil emulsion and dissolved oil;After the device is by electrochemical treatments, the oil emulsion in waste water Generation alumen ustum precipitation after coagulation, aggregation occurs for the aluminum hydroxide precipitation generated with dissolved oil and anode, can be by further Filtering removal;But there are oil emulsion and dissolving oil ingredient and property to be destroyed, reduce the utility value of waste oil, cause Its demulsification is undesirable, can not realize centralized processing and be unable to reach the effect of demulsification well and degradation CODcr.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of high-concentration emulsified liquid processing systems System has realization centralized processing, improves its demulsification efficiency and the effect for the COD that degrades.
To achieve the above object, the utility model provides following technical solution:
A kind of high-concentration emulsified liquid processing system, including be sequentially connected for collect waste emulsified mixture waste emulsified mixture storage tank, The oil separator of liquid and suspended matter is detached for adjusting waste emulsified mixture flow with it is removed, for waste emulsified mixture progress oxidation processes Fenton's reaction tank, the filter press for carrying out sludge pressing processing, the evaporation for liquid after evaporative fractionation filter press press filtration Tank, connect with the water outlet of evaporator for by the good waste emulsified mixture of materializing strategy carry out and filtrate collecting pit, for detesting Oxygen biological bacteria waste emulsified mixture is carried out ammonification, hydrolysis anaerobic pond and be hydrolyzed, the amphimicrobian pond that is acidified, for good health Object synthesis, mineralization remove the aerobic tank of organic matter, for removing the ammonia nitrogen remaining to it simultaneously of organic matter in waste emulsified mixture The biological aerated filter digested, the MBR membrane cisternas, the reverse osmosis reverse osmosis to waste emulsified mixture progress that are filtered to waste emulsified mixture Saturating pond, time to clear water after waste emulsified mixture progress oxidation reaction and the chemical oxidation pond sterilized to it and collection processing Use pond;The Fenton's reaction tank is connected with the dosing tank two for adding Fenton reagent, the dosing for adding demulsifier Case three and the dosing tank four for adding liquid caustic soda/calcium hydroxide.
So set, the waste emulsified mixture that outside receives is collected separately to waste emulsified mixture storage tank first, when waste emulsified mixture, contain Oily waste water run up to it is a certain amount of after, manually check waste emulsified mixture tank level, the oil slick of waste emulsified mixture storage tank at the middle and upper levels passed through It is manually collected, waste emulsified mixture storage tank lower floor waste emulsified mixture is then pumped into oil separator progress oil slick and waste liquid is detached;Secondly, Liquid caustic soda/calcium hydroxide is added in by dosing tank four in Fenton's reaction tank, pH is first neutralized and is adjusted to neutrality, then add by dosing tank three Enter Fenton reagent oxidation processes, adding in demulsifier finally by dosing tank two carries out coagulation treatment, passes through hydroxyl free Base degradation organic matter difficult to degrade, improves the colloidal solid of inorganic nature and the precipitation of Organic particle in waste emulsion;Then pass through To treated, waste emulsified mixture is filtered compression, and filtrate, which is dispatched into again in evaporator, is evaporated processing, and evaporative fractionation is not Same substance;When water quality reaches biochemical treatment requirement, waste emulsified mixture carried out in filtrate collecting pit and;Waste water is defeated successively Send to anaerobic pond, amphimicrobian pond, using the biological bacteria in useless Organic substance in water and biochemical system to organic matter carry out ammonification, Hydrolysis, acidification, then and flow into using aerobic biosynthesis, mineralization organics removal in most intimate friend's oxygen pond, with certain nitre Change, denitrification, certain processing is carried out to the ammonia nitrogen in waste water;Waste water is after sludge settling, in biological aerated filter Interior, activated sludge can form biomembrane in carrier surface, be enriched with by carrier adsorption, remove the organic matter in waste water;Reactor It is interior to use new and effective biologic packing material that there is easy to be filmed, large specific surface area, coefficient of oxygen utilization height, pollutant as microbe carrier The advantages that degradation time is long.In the case where supplying oxygen abundance, the pollutant of absorption can gradually be degraded while to useless by microorganism Remaining ammonia nitrogen is adequately nitrified in water;After biological aerated filter is handled, waste water is filtered by MBR membrane cisternas, The sludge reflux of MBR membrane cisternas is to anoxic pond or contact-oxidation pool, and periodically outer row, last waste water enter chemical oxidation pond, waste water The ammonia nitrogen in waste water is subjected to oxidation with sodium hypochlorite progress chemical break oxidation and becomes nitrogen, and the bacterium in waste water is carried out Kill and remove, make waste water stably reaching standard, it is up to standard after waste water be pumped into reuse pool and access each recycle-water point of use again;It has demulsification energy Power is strong, and suitable for the processing of a variety of emulsions, and recycling rate is high, and purified treatment ability is strong, improve its realize centralized processing, Improve demulsification efficiency and the effect for the COD that degrades.
Further setting:The Fenton's reaction tank is connected with quenching water column.
So set, by quenching water column, carry out the gas for being partially soluble in water of reaction generation in Fenton's reaction tank It removes, reduces the pollution to environment.
Further setting:It is provided in the Fenton's reaction tank and is stirred for what is be stirred to waste liquid in Fenton's reaction tank Mix device.
So set, by being stirred when adding and wanting, the mixing uniformity between waste emulsified mixture and medicament is improved.
Further setting:The Fenton's reaction tank is connected with the heating dress for heating up to waste liquid in Fenton's reaction tank It puts.
So set, by appropriate heating, convenient for the activity between molecule in Fenton's reaction tank, its reaction speed is improved Degree improves treatment effeciency and processing quality.
Further setting:Demulsifier is any one in Polyferric Sulfate, PAC, PAM, CaCl2, sulfuric acid in the dosing tank three.
So set, carrying out demulsification sedimentation to it, the performance that emulsifier is demulsified to waste emulsified mixture is improved, is effectively removed a large amount of The colloidal solid of inorganic nature and part Organic particle.
Further setting:Water regulating valve is provided between the evaporator and filtrate collecting pit.
So set, go out the adjustment effect to water in word filtrate collecting pit convenient for control evaporator.
Further setting:The sludge outlet of the MBR membrane cisternas is connect with amphimicrobian pond.
So set, convenient for the effect for being filtered sludge again, the circular treatment work to waste emulsified mixture mud is improved With.
By using above-mentioned technical proposal, the utility model is compared compared with the prior art:It is strong with demulsification ability, is applicable in In the processing of a variety of emulsions, and recycling rate is high, and purified treatment ability is strong, improves it and realizes centralized processing, improves demulsification The effect of rate and degradation COD.
Description of the drawings
Fig. 1 is the schematic process flow diagram of high-concentration emulsified liquid processing system;
Fig. 2 is the attachment structure schematic diagram of Fenton's reaction tank.
In figure:1st, waste emulsified mixture storage tank;2nd, acid precipitation reaction tank;3rd, oil separator;4th, Fenton's reaction tank;5th, filter press;6th, it steams Send out tank;7th, biochemical device;8th, filtrate collecting pit;9th, anaerobic pond;10th, amphimicrobian pond;11st, aerobic tank;12nd, aeration and biological is filtered Pond;13rd, MBR membrane cisternas;14th, reverse osmosis pond;15th, chemical oxidation pond;16th, reuse pool;17th, dosing tank one;18th, exhaust collection fills It puts;19th, dosing tank two;20th, dosing tank three;21st, dosing tank four;22nd, quenching water column;23rd, agitating device.
Specific embodiment
High-concentration emulsified liquid processing system is described further referring to figs. 1 to Fig. 2.
Embodiment 1:A kind of processing method of high-concentration emulsified liquid, with reference to shown in Fig. 1 and Fig. 2, includes the following steps:
S1, collection processing:The waste emulsified mixture that outside receives is collected separately into waste emulsified mixture storage tank 1, through quiescent setting Afterwards, the oil slick on 1 upper strata of waste emulsified mixture storage tank is collected, the waste emulsified mixture of 1 lower floor of waste emulsified mixture storage tank is passed through anti-to acid out Answer tank 2.
S2, acidification:Acidification is carried out to the sulfuric acid that addition pH is 2-2.5 in acid precipitation reaction tank 2.
S3, level-one coagulating sedimentation:Demulsifier is added, while it is heated, then is passed through to the waste emulsified mixture after acidification To 3 quiescent setting of oil separator, upper strata oil slick is discharged into oil recovery apparatus, middle level waste emulsified mixture is passed through into Fenton's reaction tank 4, under Layer sediment is discharged into sludge retracting device;Demulsifier is Polyferric Sulfate, PAC, PAM, CaCl2, any one or more in sulfuric acid, It is preferably PAC and PAM combinations in this programme, wherein, the mass concentration 8g/L of PAC is added, the use of proportioning is PAC:PAM=12:3, Quick stirring 1min, then add to the PAM flocculation aid 10mL/L that mass concentration is 0.01%, 30s is mixed slowly, stands 20min.
S4, two-stage coagulation precipitation:Waste emulsified mixture pH value is acidity after first demulsification, first adds in liquid caustic soda or calcium hydroxide to useless breast The pH value for changing liquid is adjusted to 8;Fenton reagent is added in into Fenton's reaction tank again and carries out oxidation processes, wherein, addition is dense Spend the H for 30%2O2Dosage is 12mL/L, and H2O2:Fe2+=4:1, disposably add FeSO4•7H2O, reaction time 45min, Compressed air is passed through into Fenton's reaction tank 4 simultaneously to be stirred, then adjust waste emulsified mixture pH value to 8;Reusing proportioning is PAC:PAM=13:3 carry out coagulation treatment, and coagulant PAC dosage 0.3g/L mix slowly 5min, stand 30min;Oxygen After changing time satisfaction, the filtrate on upper strata, which is delivered in filter press 5, in Fenton's reaction tank 4 carries out compression filtering, the filter residue row of lower floor Enter to sludge retracting device and handled, the filtrate after 5 press filtration of filter press is collected into evaporator 6, and filter residue is delivered to filter residue Retracting device 24 is handled.
S5, evaporation process:The pre-heat treatment first is carried out to 6 filtrate of evaporator, that is, float on the upper strata obtained in being handled by collection Oil, for the auxiliary fuel of combustion chamber in evaporator 6;Waste emulsified mixture after being preheated is distilled again, obtain concentrate and Distillate carries out cooling treatment to distillate, obtains distillate after cooling and be collected again, while concentrate is discharged into life Makeup is put in 7.
S6, biochemical treatment:Concentrate after materializing strategy is first passed through to progress in filtrate collecting pit 8 and obtains waste water, First segment biochemical treatment is carried out to waste emulsified mixture;Waste water is delivered to anaerobic pond 9 successively, in amphimicrobian pond 10, utilizes waste water Biological bacteria in middle organic matter and biochemical system carries out ammonification, hydrolysis, acidification to organic matter;Again and flow into sharp in most intimate friend's oxygen pond 11 With aerobic biosynthesis, mineralization organics removal, while mixed-liquor return is set, and in the last rank of 11 process of aerobic tank The processing of Duan Jinhang extended aerations, has certain nitrification, denitrification, and certain place is carried out to the ammonia nitrogen in waste emulsified mixture Reason.
Waste water is after handling reprecipitation, and the sludge part reflux after precipitation, excess sludge enters sludge concentration tank, and waste water exists It is delivered to remove in the biological aerated filter 12 that organic matter simultaneously digests the ammonia nitrogen of its remnants in waste emulsified mixture;It is living Property sludge can carrier surface formed biomembrane, be enriched with by carrier adsorption, remove waste water in organic matter;It is used in reactor New and effective biologic packing material is as microbe carrier, when having high easy to be filmed, large specific surface area, coefficient of oxygen utilization, contaminant degradation Between it is long the advantages that;In the case where supplying oxygen abundance, the pollutant of absorption can gradually be degraded while to residual in waste water by microorganism Remaining ammonia nitrogen is adequately nitrified.
S7, second stage biochemical treatment:After biological aerated filter 12, waste water is filtered by MBR membrane cisternas 13, is passed through After crossing MBR membrane filtrations, the sludge reflux of MBR membrane cisternas 13 is to amphimicrobian pond 10 or aerobic tank 11, and periodically outer row;MBR membrane cisternas 13 concentrated water, which is discharged into inorganic wastewater high-salt wastewater pond and enters in evaporator 6, to be handled;Secondly waste water is right by reverse osmosis pond 14 Waste emulsified mixture carries out reverse osmosis, and last waste water, which enters chemical oxidation pond 15, oxidation reaction and it is sterilized, waste water with Ammonia nitrogen in waste water is carried out oxidation and becomes nitrogen, and the bacterium in waste water is killed by the chemical break oxidation of sodium hypochlorite progress It removes, is passed through in reuse pool 16 after making waste water stably reaching standard, the ammonium chloride evaporation condensed water handled is after RO is reverse osmosis Production water enters back into MBR membrane cisternas 13 and is handled, and concentrated water, which enters, carries out circular treatment in anaerobic pond 9.
Embodiment 2:A kind of emulsifying liquid waste water processing system, with reference to shown in Fig. 1 and Fig. 2, including being sequentially connected for collecting The waste emulsified mixture storage tank 1 of waste emulsified mixture, for the acid precipitation reaction tank 2 of Production Wastewater By Combined Acidification And Demulsification, for adjusting waste emulsified mixture flow and removal It detaches the oil separator 3 of liquid and suspended matter, the Fenton's reaction tank 4 of oxidation processes is carried out for waste emulsified mixture, for carrying out dirt The filter press 5 of mud squeezing processing goes out for the evaporator 6 of liquid after 5 press filtration of evaporative fractionation filter press and with evaporator 6 Mouth of a river connection is for the biochemical device 7 to waste emulsified mixture progress biochemical treatment.
Wherein, biochemical device 7 includes being sequentially connected and be received for the good waste emulsified mixture of materializing strategy to be carried out to the filtrate of sum Collection pond 8 carries out waste emulsified mixture ammonification, the anaerobic pond 9 hydrolyzed and the amphimicrobian for being hydrolyzed, being acidified for anaerobic organism bacterium Pond 10, the aerobic tank 11, same for removing organic matter in waste emulsified mixture that organic matter is removed for easy-to-keep biological synthesis, mineralization When the ammonia nitrogen remaining to it digested biological aerated filter 12, waste emulsified mixture is filtered MBR membrane cisternas 13, to useless breast Change liquid to carry out reverse osmosis reverse osmosis pond 14, carry out waste emulsified mixture oxidation reaction and the chemical oxidation pond for sterilizing it 15 and collection processing after clear water reuse pool 16.
Acid precipitation reaction tank 2 is connected with the dosing tank 1 for adding demulsifier, is provided at the top of acid precipitation reaction tank 2 Tail gas collecting device 18;Fenton's reaction tank 4 is connected with for adding the dosing tank 2 19 of Fenton reagent, for adding demulsifier Dosing tank 3 20 and dosing tank 4 21 for adding liquid caustic soda/calcium hydroxide;Simultaneously chilling is connected in Fenton's reaction tank 4 Water tower 22 is provided with agitating device 23, i.e. agitating paddle in Fenton's reaction tank 4.
Middle demulsifier is Polyferric Sulfate, PAC, PAM, CaCl in dosing tank 1 and dosing tank 2 192, it is any one in sulfuric acid Kind or multiple combinations.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (7)

1. a kind of high-concentration emulsified liquid processing system, it is characterised in that:Including being sequentially connected the useless breast for collecting waste emulsified mixture Change liquid storage tank(1), for adjusting waste emulsified mixture flow and removing it detach the oil separator of liquid and suspended matter(3), for useless breast Change the Fenton's reaction tank that liquid carries out oxidation processes(4), filter press for carrying out sludge pressing processing(5), for evaporative fractionation Filter press(5)The evaporator of liquid after press filtration(6)With evaporator(6)Water outlet connect for by the good useless breast of materializing strategy Change the filtrate collecting pit that liquid carries out sum(8), for anaerobic organism bacterium to waste emulsified mixture carry out ammonification, hydrolysis anaerobic pond(9) With the amphimicrobian pond for being hydrolyzed, being acidified(10), for easy-to-keep biological synthesis, mineralization remove organic matter aerobic tank (11), for removing the biological aerated filter that the ammonia nitrogen remaining to it simultaneously of organic matter in waste emulsified mixture is digested(12), it is right The MBR membrane cisternas that waste emulsified mixture is filtered(13), reverse osmosis reverse osmosis pond is carried out to waste emulsified mixture(14), to waste emulsified mixture into Row oxidation reaction and the chemical oxidation pond sterilized to it(15)And collection processing after clear water reuse pool(16);Institute State Fenton's reaction tank(4)It is connected with the dosing tank two for adding Fenton reagent(19), dosing tank for adding demulsifier Three(20)And the dosing tank four for adding liquid caustic soda/calcium hydroxide(21).
2. a kind of high-concentration emulsified liquid processing system according to claim 1, it is characterised in that:The Fenton's reaction tank (4)It is connected with quenching water column(22).
3. a kind of high-concentration emulsified liquid processing system according to claim 1, it is characterised in that:In the Fenton's reaction tank (4)It is inside provided with for Fenton's reaction tank(4)The agitating device that interior waste liquid is stirred(23).
4. a kind of high-concentration emulsified liquid processing system according to claim 1, it is characterised in that:The Fenton's reaction tank (4)It is connected with for Fenton's reaction tank(4)The heating unit that interior waste liquid heats up.
5. a kind of high-concentration emulsified liquid processing system according to claim 1, it is characterised in that:The dosing tank three(20) Middle demulsifier is Polyferric Sulfate, PAC, PAM, CaCl2, any one in sulfuric acid.
6. a kind of high-concentration emulsified liquid processing system according to claim 1, it is characterised in that:In the evaporator(6) With filtrate collecting pit(8)Between be provided with water regulating valve.
7. a kind of high-concentration emulsified liquid processing system according to claim 1, it is characterised in that:The MBR membrane cisternas(13) Sludge outlet and amphimicrobian pond(10)Connection.
CN201721345259.5U 2017-10-18 2017-10-18 A kind of high-concentration emulsified liquid processing system Active CN207468425U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947130A (en) * 2018-07-26 2018-12-07 安徽安江环保科技有限公司 A kind of refuse leachate processing method based on anaerobic reaction
CN108947123A (en) * 2018-07-24 2018-12-07 关向辉 A kind of recycling treatment process of waste emulsified mixture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947123A (en) * 2018-07-24 2018-12-07 关向辉 A kind of recycling treatment process of waste emulsified mixture
CN108947123B (en) * 2018-07-24 2021-08-06 关向辉 Recycling treatment process for waste emulsion
CN108947130A (en) * 2018-07-26 2018-12-07 安徽安江环保科技有限公司 A kind of refuse leachate processing method based on anaerobic reaction

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