CN101186416A - Packaging stage-type film bioreactor device for treating sewage or micro-polluted raw water - Google Patents
Packaging stage-type film bioreactor device for treating sewage or micro-polluted raw water Download PDFInfo
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- CN101186416A CN101186416A CNA2007101721873A CN200710172187A CN101186416A CN 101186416 A CN101186416 A CN 101186416A CN A2007101721873 A CNA2007101721873 A CN A2007101721873A CN 200710172187 A CN200710172187 A CN 200710172187A CN 101186416 A CN101186416 A CN 101186416A
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Abstract
The invention relates to a staged membrane bioreactor device, for treating sewage or micro-polluted source water, with a water container, pertaining to the environmental protection technology field. The device consists of a half-reaction zone, an anaerobic reaction zone, an aeration reaction zone and a pure water zone. The half-reaction is communicated with the bottom of the aeration zone, the bottom of the half-reaction is provided with an empty valve, one side of the half-reaction zone has a water inlet pump, the inside of the half-reaction has an internal ring filled with stuff, and the top of the half-reaction is provided with a stirrer, and the effluent of the half-reaction automatically flows into the anaerobic reaction zone. The top of the anaerobic reaction zone is provided with a stirrer, the bottom thereof is provided with a sludge empty valve, and a sludge empty device is shaped like a horn mouth and positioned in the anaerobic reaction zone, and the top of the anaerobic reaction zone is provided with a drug feeding mouth. The bottom of the aeration reaction zone has an internal return pump, the lower part of the aeration reaction zone is provided with an aeration pipe with an air inlet positioned at one side of the aeration reaction zone, and a fan is connected to the aeration pipe through the air inlet; the top of the aeration reaction zone is provided with an overflow pipe, the bottom of the aeration reaction zone is provided with an empty valve, while the middle is provided with a membrane component. The pure water zone is divided into two units, and the inside of each unit is provided with an effluent valve. The invention has the advantages of good effluent quality, multi purposes, small land occupancy, flexible and convenient using method, and is applied to the treatment of domestic sewage and micro-polluted source water, and can widen and facilitate the application of membrane bioreactor water treatment and water resource reutilization technique.
Description
Technical field
The invention belongs to environmental technology field, be specifically related to a kind of disposing of sewage or the micro-polluted raw packaging stage-type film bioreactor device.
Background technology
Membrane separation technique combines with the active sludge technology and the membrane bioreactor (MBR that forms, membranebioreactor), have characteristics such as effluent quality is good, floor space is little, in sewage recycling process, have very tempting potentiality, be considered to one of tool prospect technology of processing of 21 century recycling of water resource.
The biological unit of membrane bioreactor adopts activated sludge process more, then micro-filtration or the ultra-filtration membranes that adopt the material of organic or inorganic and make of used film processing unit more.Its principal feature is to utilize the characteristics of membrane sepn to isolate good water outlet from the active sludge intermixture of bio-reactor, utilize these characteristics to make the active sludge intermixture concentration of active sludge intermixture concentration ratio traditional activated sludge process in the reactor exceed number simultaneously, thereby increase removal ability and the impact resistance of reactor pollution substance to tens of times.But, because the successive aeration makes the many forms with nitric nitrogen of ammonia-state nitrogen be present in the water, can not reach the purpose of denitrogenation, can't obtain removing.Owing to this kind reason, phosphoric also can't obtain removing in the sanitary sewage, thereby has influenced effluent quality equally.
In the vast rural area of China, because resident family disperses feedwater and the not congruent factor of drainage pipeline facility, can't handle draining, not only cause the destruction of water landscape, brought no small threat simultaneously water-supply source, thereby aggravated little pollution problem of rural area waterhead area.
Seen known membrane bioreactor be mainly the membrane bioreactor of Treating Municipal Sewage (Lv Xiaolong. immerseable hollow fiber film assembly [P] .CN1509801; Li Kexun etc. novel membrane bioreactor [P] .CN1539759; Huang Xia etc. batched membrane-bioreactor effluent treatment process and device [P] .CN1424265).Also have simultaneously self-forming dynamic membrane bioreactor (Fan Yaobo etc. split-type tube type dynamic membrane bioreactor [P] .CN 1785841A).But only relate to the research of handling aspects such as sanitary sewage, the removal for nitrogen and the plain material of phosphorus then rarely has report.And, for the processing of tap water then be confined to technologies such as filler, gac (Ma Fang etc. immobilization biological ceramic particle technology is realized water treatment method [P] .CN1903742 of drinking water deep purification; Ma Fang etc. the immobilized biological activated carbon technology realizes water treatment method [P] .CN1597578 of drinking water deep purification); Membrane process mainly for the advanced treatment of tap water (Wang Zhicheng etc. membrane process processing drinking water system and potable water technology [P] .CN1332125).For a kind of packaging type Membrane Bioreactor for Wastewater Treatment technology Treatment for Reuse municipal effluent and be treated to the device of micro-polluted source water simultaneously movably, then do not report.
Summary of the invention
The object of the present invention is to provide that a kind of floor space is economic, the disposing of sewage or the micro-polluted raw packaging stage-type film bioreactor device of economical and convenient, maneuverability.
What the present invention proposed disposes of sewage or the micro-polluted raw packaging stage-type film bioreactor device, this device is the container body structure, connect to form (its structure as shown in Figure 1) by half-reaction district 1, anaerobic reaction district 2, aeration reaction zone 3 and pure water district 4 by dividing plate, when handling micro-polluted raw, half-reaction district 1 is called flocculation basin, anaerobic reaction district 2 is called settling tank, aeration reaction zone 3 is called reaction tank, wherein: anaerobic reaction district 2 is positioned at 1 top, half-reaction district, and half-reaction district 1 passes through pipeline UNICOM with aeration reaction zone 3 bottoms:
Half-reaction district 1 is made up of filler 5, intake pump 7, stirrer 10, dosing mouth 13-1, blow-off valve 14-1, under meter 19, water intaking valve 21, blow-off valve is positioned at 1 bottom, half-reaction district, intake pump 7 is positioned at half-reaction district one side, is used to aspirate processed sewage or former water to half-reaction district 1; Filler 5 is positioned at half-reaction district 1, to be circular layout, is mainly used in the denitrogenation in reinforcement half-reaction district and the function of hydrolysis; Stirrer 10 is positioned at 1 top, half-reaction district, is used to promote denitrification and hydrolytic action; Top, half-reaction district is provided with water-in, and the water outlet gravity flow enters anaerobic zone 2; Dosing mouth 13-1 reserves, and is positioned at 1 top, half-reaction district, the dosing import when its purpose is to the processing micro-polluted raw; Water intaking valve 21 connects intake pump 7 by under meter 19, is used for dominant discharge; Blow-off valve 14-1 is positioned at 1 bottom, half-reaction district;
The pure water district is connected to form by dividing plate by pure water district 4-1 and pure water district 4-2, pure water district 4-1 is mainly a small-sized ultra filtration unit, be used for the membrane bioreactor water outlet is carried out the advanced treatment of ultrafiltration, exhalant region 4-2 is that reverse osmosis and ion mix the bed processing unit, is used for advanced treatment is carried out in the ultrafiltration water outlet.Be provided with outlet valve 22 in two pure water districts, use for different water water quality users.
Among the present invention, liquid level is counted 3, lays respectively at top in half-reaction district 1, anaerobic reaction district 2 and the aeration reaction zone 3, is used for controlling automatically by water level.
Among the present invention, automatic control device 9 is a small-sized control casing, be connected with gas blower 6, intake pump 7, self-priming water pump 8, pure water district and liquidometer 20 respectively by control circuit, the setting by factors such as liquid level control, flow and cycles time realizes automatic control.
Among the present invention, aeration tube 15 is 1, and structure is positioned at membrane module 17 belows in the form of a ring.
Among the present invention, be equipped with sampling valve around pretreatment reaction district 2, aeration reaction zone 3, half aeration zone 4, sampling valve is respectively 2-8.
Among the present invention, blow-off valve is 3, is positioned at the mud valve in the blow-off valve 14-2 double as anaerobic reaction district 2 in anaerobic reaction district 2.
Among the present invention, filler 5 is fixed filler in the half-reaction district 1.
Among the present invention, automatic control device 9 is an integrated form, is located at the outside of reaction unit, wherein is furnished with PLC a slice, and various switches are some.
Among the present invention, water inlet pipe is 4, is respectively water inlet manifold, half-reaction district water inlet pipe, pure water district 4-1 water inlet pipe, pure water district 4-2 water inlet pipe.
Among the present invention, rising pipe is 3.Be respectively membrane bioreactor rising pipe (water outlet a), pure water district 4-1 rising pipe (water outlet b), pure water district 4-2 rising pipe (water outlet c).
Packaging stage-type film bioreactor device of the present invention is used for the stage reuse of branch matter of Treating Municipal Sewage, can make sanitary sewage be converted into the view reuse, reclaimed wastewater reuse such as use mixedly, and can be converted into pure water after continuing to handle.The present invention can carry out micro-polluted raw is converted into the application of tap water simultaneously.
Principle of work of the present invention is:
(1) reaction unit of packaging type is by being that the automatic control of main logic unit comes each flow process is monitored and moved with PLC.
(2) give full play to each reaction zone function, and can be by changing the effect that operational conditions realizes the transformation of the operation scheme of each reaction zone and function, realize the multi-functional district of flexible and convenient, thereby make reactor that two kinds of diverse processing operational modes be arranged, realize supplying water in different qualities simultaneously.
Working process of the present invention is as follows:
One, Treating Municipal Sewage (or the drainage water of the single family in villages and small towns) reuse
Entering half-reaction district 1 (being the hypoxia response district this moment) through the waste water after the pre-treatment (slagging-off) by intake pump 7 is hydrolyzed.Fixedly the microbial film on the filler 5 is under the anoxybiotic condition, to the organism in the water inlet, especially hard-degraded substance is hydrolyzed, microbial film constantly upgrades on the one hand, make the hard-degraded substance in the waste water transform into easy degradation material on the other hand, the biodegradability of waste water is improved by the acidication effect.Simultaneously, enter half-reaction district 1 by nitrification liquid in the internal reflux pump 11 suction aerated reaction ponds 3 and carry out denitrification reaction.Waste water through hydrolysis treatment enters anaerobic reaction district 2 via dividing plate, releases phosphorus reaction and anaerobic reaction in anaerobic reaction district 2.The part sludgd deposition is in mud device 12, through suitable cycle discharging, reach the effect of dephosphorization, make the biosolids amount keep suitable concentration simultaneously, if the phosphorus content of sewage is higher, can suitably add the dephosphorization of dephosphorization medicament by the dosing mouth 13-2 that reserves, water outlet enters aeration reaction zone 3 through gravity flow, finish aerobic reaction in aeration reaction zone 3, water outlet is extracted out through vacuum primingpump.If customer requirements is higher, then water outlet can enter pure water reaction zone 4-1 to the changeover program that goes out water solenoid valve by self-con-tained unit, and 4-2 handles and reaches user's requirement.
Two, handle micro-polluted source water
Enter half-reaction district 1 (being flocculation basin this moment) through the former water after the rough purification (precipitation just) by water inlet pipe, carry out throwing out.Flocculation agent, is in the dynamic uniform mixing under the hydraulic action of stirrer through dosing mouth 13-1, finishes flocculation reaction.Mixing water enters anaerobic reaction district (being settling tank this moment) 2 afterwards, the flocculation sludgd deposition that generates is in mud device 12, through 14 dischargings of spoil disposal blow-off valve, reach the effect of purification, treating water enters aeration reaction zone (being reaction tank this moment) 3 and further purifies reaction afterwards, if water quality better can be through the film treat effluent, water outlet can enter pure water reaction zone 4-1 to the changeover program that goes out water solenoid valve by self-con-tained unit, and 4-2 handles and reaches user's requirement; If water quality is relatively poor, then further precipitate at reaction tank 3, water outlet is through pure water reaction zone 4-1,4-2 processing and reach user's requirement.
Innovative point of the present invention is as follows:
(1) the present invention has the function of packaging type: have small accommodation area, and easy to use, and transportable function, promptly this device directly can be transported to the processing target location, directly mass-producing is handled.Construct and need not to carry out secondary.
(2) during Treating Municipal Sewage, the present invention has the function of denitrogenation dephosphorizing simultaneously, is fit to very much Treating Municipal Sewage, decentralized type sewage, and it is carried out reuse.
(3) the present invention can change the state of treatment zone flexibly according to the characteristics of influent quality, can be during for sewage as water inlet by the mode of operation 1, and sewage enters the hypoxia response district, enters anaerobic zone again, enters the aeration zone afterwards and handles reuse afterwards.To change fixedly the hypoxia response district or the floating stuffing aerobic reactor zone of filler into, thereby realize handling the multifunctional reactor of different influent qualities.When if water inlet is micro-polluted raw, can be by operation scheme 2, at this moment, hypoxia response district and anaerobic zone can change flocculation basin and coagulative precipitation tank into, become pretreating zone, and source water enters the pretreatment reaction district, entering the aeration tank afterwards filters, water outlet enters pure water district (can directly enter the pure water district when water quality is good), thereby obtains clean tap water, can satisfy the demand of the different quality of different user.
Advantage of the present invention is as follows:
When (1) half-reaction district 1 is as the anaerobic hydrolysis district, can be hydrolyzed, improve the biodegradability of water inlet, further improve the processing horizontal of reactor hard-degraded substance such as hard-degraded substance such as LAS, oils or high strong sewage.
When half-reaction district 1 is flocculation basin, can make the rapid coagulation of contaminated former water by dosing, and fluidised form is even, does not have the dead angle, power consumption is low.
(2) sizeable hole on the aeration tube, existing enough power strikes off the film surface pollution thing, guarantee the mass transfer of oxygen again, make the heterotroph metabolism of active sludge (aeration reaction zone) vigorous, the ability of degradation of organic substances increases, remove most organism in the water, the small molecules carbohydrate of generation helps the growth of denitrifying bacterium, for follow-up denitrification reaction provides prerequisite.
(3) adding of anaerobic reaction district can reach the effect of anaerobic phosphorus release, by regular discharging, can reach biological phosphorus removal functional.Reserve dosing mouth simultaneously, reach the function of chemical enhanced dephosphorization.
When handling water inlet, can be used as settling tank and use for contaminated source water.
(4) also be laid in this at the aeration reaction zone membrane module, saved the space; Because the interception of film can be held back long nitrifying sludge generation time,, and make the no additional carbon denitrogenation of the low strong sewage of high nitrogen become possibility because the existence that refluxes makes reactor have good denitrification functions.Simultaneously,, make the SND phenomenon very general in reactor, reach good denitrogenation nitre fruit because the high concentration sludge of microbial film effect on the filler and aeration reaction zone exists.
(5) reaction unit has multi-functional effect, both can handle the municipal effluent and the dispersed wastewater of high density, can remove the high sewage of nitrogenous phosphorus content again, and arrives the requirement of reuse and satisfy the water quality requirement of different user.And reaction unit can also provide the fine tap water to the user in polluted water seedbed, uses very convenient.
(6) reaction unit has the advantage of packaging type, promptly can image set vanning is equally random moves and move, have very strong on-the-spot disposal ability, be fit to very much handle the man family sewage effluent in rural area and also make it carry out reuse, especially suitable for the drought and water shortage area.Simultaneously because the effect of each functional zone can be accomplished supplying water in different qualities.Simultaneously, can each functional zone can suitably be increased and delete, reach and be more suitable for handling corresponding water quality, and accomplish to save cost according to customer need.
The present invention is in conjunction with the domestic and international research present situation, long-term interest in line with sustainable development idea and middle water reuse, consider the actual demand of wastewater treatment in China, especially the sewage in rural area comparatively dispersion phenomenon and different user to reuse requirements in water quality difference, developed packaging stage-type film bioreactor device, realized processing municipal sewage treatment reuse and micro-polluted raw.Wherein biofilm system and active sludge can be finished the function of nitrification and denitrification simultaneously, and the functional zone that mediate are that carbon source is further carried out denitrification function with the organism in the sewage.Anaerobic zone can reach the function of releasing phosphorus.Aeration tube is laid rationally, and power consumption is lower.The present invention does not need additional carbon and basicity, saves resource.The present invention can reach the function of supplying water in different qualities by the not same-action of each functional zone, even can accomplish to provide the chromatographic grade experimental installation required pure water.Floor space of the present invention is little, the function of flexibly changing reactor, operational administrative can be realized unattended duty by automatic control system, the saving energy, can reach simultaneously the function of removing organism and denitrogenation dephosphorizing, agree with mutually with the idea that realizes human social.
Description of drawings
Fig. 1 is a structural diagrams of the present invention.
Number in the figure: 1 is half-reaction district (when handling micro-polluted raw is flocculation basin), and 2 are anaerobic reaction district (when handling micro-polluted raw is settling tank), and 3 are aeration reaction zone (when handling micro-polluted raw is reaction tank), 4-1 is the pure water district, and 4-2 is the pure water district, and 5 is filler, 6 is gas blower, 7 is intake pump, and 8 is self-priming water pump, and 9 is automatic control device, 10 is stirrer, 11 is the internal reflux pump, and 12 is mud discharging device, the 13-1 dosing mouth, 13-2 is a dosing mouth, 14-1 is a blow-off valve, and 14-2 is a blow-off valve, and 14-3 is a blow-off valve, 15 is aeration tube, 16 is upflow tube, and 17 is membrane module, and 18 is uv steriliser, 19 is under meter, 20 is liquidometer, and 21 is water intaking valve, and 22 is outlet valve.
Embodiment
Further describe the present invention below in conjunction with accompanying drawing by embodiment.
Embodiment 1
Packaging stage-type film bioreactor device is the container body structure, successively by half-reaction district 1, anaerobic reaction district 2, aeration reaction zone 3, pure water district 4-1, pure water district 4-2 forms (its structure as shown in Figure 1), remove between each reaction zone and separate by dividing plate, outside the pure water district and anaerobic zone bottom is UNICOM not, but half-reaction district and bottom, aeration zone UNICOM have and separate and the effect of defining each functional zone.
Water inlet system is made up of filler 5, intake pump 7, stirrer 10, blow-off valve 14-1, under meter 19 and water intaking valve 21, and water inlet is by intake pump 7 suctions that are positioned at half-reaction district one side, to half-reaction district 1; Water intaking valve 21 connects intake pump 7 by under meter 19, is used for dominant discharge; Filler 5 is positioned at half-reaction district 1, to be circular layout, is mainly used in the denitrogenation in reinforcement half-reaction district and the function of hydrolysis; Stirrer 10 is positioned at 1 top, half-reaction district, is used to promote denitrification and hydrolytic action; If during maintenance, utilize the blow-off valve 14-1 that is positioned at 1 bottom, half-reaction district that water is carried out emptying;
Top, half-reaction district is provided with water-in, and the water outlet gravity flow enters anaerobic reaction district 2; Anaerobic reaction district 2 is made up of with spoil disposal blow-off valve 14-2 stirrer 10, mud discharging device 12, stirrer 10 is positioned at 2 tops, anaerobic reaction district, be used to promote the anaerobic phosphorus release effect, spoil disposal blow-off valve 14-2 is positioned at 2 bottoms, anaerobic reaction district, mud discharging device 12 is " hydraucone " shape structure, be positioned at anaerobic reaction district 2, mud is discharged by some cycles by the spoil disposal blow-off valve 14-2 that is positioned at its bottom after collecting, if during maintenance, utilize the spoil disposal blow-off valve 14-2 that is positioned at 2 bottoms, anaerobic reaction district that water is carried out emptying;
Water outlet gravity flow through anaerobic phosphorus release enters aeration reaction zone 3, aeration reaction zone 3 is by gas blower 6, self-priming water pump 8, internal reflux pump 11, blow-off valve 14-3, aeration tube 15, upflow tube 16, membrane module 17, uv steriliser 18, under meter 19, liquidometer 20 and form, the nitrification liquid that is positioned at 11 pairs of aeration reaction zones 3 of internal reflux pump of aeration reaction zone 3 bottoms is back to semi-reactor 1, to reach the purpose of denitrogenation; 15 ventilations of 6 pairs of aeration tubes of gas blower, aeration tube 15 release air make aeration reaction zone 3 interior active sludge obtain oxygen on the one hand, on the other hand membrane module 17 are carried out air scour; Upflow tube 16 is positioned at aeration reaction zone 3 tops, discharges water during in order to accident; Water outlet is divided into two-way, and by solenoid control, the direct water outlet in a place is carried out disinfection by uv steriliser 18 by the 17 water outlet water outlets of self-priming water pump 8 suction membrane modules; One place enters pure water district 4, is provided with under meter 19 before rising pipe, with the metering water outlet; If during maintenance, utilize the blow-off valve 14-3 that is positioned at aeration reaction zone 3 bottoms that water is carried out emptying;
The water outlet of part film enters the pure water district, and the pure water district is connected to form by dividing plate by pure water district 4-1 and 4-2, and at first water outlet enters pure water district 4-1 (being mainly a small-sized ultra filtration unit), is used for the membrane bioreactor water outlet is carried out the advanced treatment of ultrafiltration; Water outlet afterwards enters pure water district 4-2 (for a reverse osmosis and the mixed bed of an ion processing unit), is used for advanced treatment is carried out in the ultrafiltration water outlet.Be provided with outlet valve 22 in two pure water districts, use for different water water quality users.
The control of reaction unit is finished by automatic control device 9.
With above-mentioned gained reactor for treatment student bathroom bath wastewater.
Bath wastewater enters packaging stage-type film bioreactor device, under the hydrolytic action of fixed filler, the LAS in the bath wastewater is hydrolyzed, dissolved oxygen is below the 0.5mg/L, the aeration reaction zone dissolved oxygen is 2～3mg/L, activated sludge concentration is 4000～5000mg/L, and the air-blowing amount is 80～120L/h, and temperature is about 27 ℃, pH is under 6.5～8.2 conditions, system stable operation 90 days.
At water inlet COD
Cr, BOD
5, NH
3-N, TN, TP, LAS is respectively: 120～300mgL
-1, 60～90mgL
-1, 17～20mgL
-1, 35～50mgL
-1, 0.2～0.5mgL
-1, 3～10mgL
-1The time, effluent quality is respectively after the art breading: 10～20mgL
-1, 1～5mgL
-1, 0～2mgL
-1, 5～12mgL
-1, 0.2～0.3mgL
-1, 0.05～0.2mgL
-1Water outlet 1 can reach the requirement of " urban sewage reutilization landscape water water quality standard " (GB/T 18921-2002); Water outlet 2 can advanced treatment, and making wherein water outlet total plate count is 0; Can satisfy pure water standard (" National Laboratory's water supply standard " GB6682-92 through further advanced treatment water outlet 3 water outlets; " national electronic-grade ultrapure water standard " GB/T11446.1-1997) requirement.
Packaging stage-type film bioreactor device is the container body structure, forms (its structure as shown in Figure 1) by half-reaction district 1, anaerobic reaction district 2, aeration reaction zone 3 successively, separates half-reaction district and bottom, aeration zone UNICOM between each reaction zone by dividing plate.
Water inlet system is made up of filler 5, intake pump 7, stirrer 10, blow-off valve 14-1, under meter 19 and water intaking valve 21, and water inlet is by intake pump 7 suctions that are positioned at half-reaction district one side, to half-reaction district 1; Water intaking valve 21 connects intake pump 7 by under meter 19, is used for dominant discharge; Filler 5 is positioned at half-reaction district 1, to be circular layout, is mainly used in the denitrogenation in reinforcement half-reaction district and the function of hydrolysis; Stirrer 10 is positioned at 1 top, half-reaction district, is used to promote denitrification and hydrolytic action; If during maintenance, utilize the blow-off valve 14-1 that is positioned at 1 bottom, half-reaction district that water is carried out emptying;
Top, half-reaction district is provided with water-in, and the water outlet gravity flow enters anaerobic reaction district 2; Anaerobic reaction district 2 is made up of stirrer 10, mud discharging device 12, dosing mouth 13-2 and spoil disposal blow-off valve 14-2, and dosing mouth 13-2 adds the dephosphorization medicament to strengthen the chemical dephosphorization effect; Stirrer 10 is positioned at 2 tops, anaerobic reaction district, be used to promote the biological anaerobic phosphorus release effect and the mixed effect of medicament dephosphorization, spoil disposal blow-off valve 14-2 is positioned at 2 bottoms, anaerobic reaction district, mud discharging device 12 is " hydraucone " shape structure, be positioned at anaerobic reaction district 2, mud is reached the effect of dephosphorization by the some cycles discharge by the spoil disposal blow-off valve 14-2 that is positioned at its bottom after collecting, during as if maintenance, utilize the spoil disposal blow-off valve 14-2 that is positioned at 2 bottoms, anaerobic reaction district that water is carried out emptying;
Water outlet gravity flow through dephosphorization enters aeration reaction zone 3, aeration reaction zone 3 is by gas blower 6, self-priming water pump 8, internal reflux pump 11, blow-off valve 14-3, aeration tube 15, upflow tube 16, membrane module 17, uv steriliser 18, under meter 19, liquidometer 20 and form, the nitrification liquid that is positioned at 11 pairs of aeration reaction zones 3 of internal reflux pump of aeration reaction zone 3 bottoms is back to semi-reactor 1, to reach the purpose of denitrogenation; 15 ventilations of 6 pairs of aeration tubes of gas blower, aeration tube 15 release air make aeration reaction zone 3 interior active sludge obtain oxygen on the one hand, on the other hand membrane module 17 are carried out air scour; Upflow tube 16 is positioned at aeration reaction zone 3 tops, discharges water during in order to accident; Water outlet is divided into two-way, by solenoid control, and the direct water outlet in a place, by 17 water outlets of self-priming water pump 8 suction membrane modules, water outlet is carried out disinfection by uv steriliser 18; One place enters pure water district 4, is provided with under meter 19 before rising pipe, with the metering water outlet; If during maintenance, utilize the blow-off valve 14-3 that is positioned at aeration reaction zone 3 bottoms that water is carried out emptying;
If will further handle, then further handle by pure water district 4-1.Pure water district 4-2 need not.
The control of reaction unit is finished by automatic control device 9.
With above-mentioned gained reactor for treatment school office building sanitary sewage.
Sanitary sewage is a septic tank effluent, enters packaging stage-type film bioreactor device by the suction of device water suction pump, and sanitary sewage decomposes under the biomembranous effect of pretreating zone filler.At the pretreating zone hydraulic detention time is 1～2h, and dissolved oxygen is 0.5mgL
-1Entering aeration reaction zone afterwards under the aeration effect, by active sludge sewage is further purified, and finish the part denitrogenation, is 0.5h at the aeration reaction zone hydraulic detention time, and dissolved oxygen is below the 0.5mg/L; Enter further denitrogenation of half-reaction district (oxygen-starved area) under the internal circulation pump effect afterwards, this district's hydraulic detention time is 1～2h, at last by the water outlet of self-priming water pump suction film.
At water inlet COD
Cr, BOD
5, NH
3-N, SS is respectively: 190～300mgL
-1, 80～100mgL
-1, 37～50mgL
-1, 20～50mgL
-1The time, effluent quality is respectively after the art breading: 30～40mgL
-1, 15～20mgL
-1, 3～8mgL
-1, 1～2mgL
-1Turbidity is stabilized in below the 5NTU.Can reach " urban sewage reutilization city miscellaneous water water quality " requirement (GB/T18920-2002), water outlet b can reach advanced treatment, can reach the requirement of " urban sewage reutilization landscape water water quality standard " (GB/T 18921-2002), and to make wherein water outlet total plate count be 0.
Packaging stage-type film bioreactor device is the container body structure, successively by flocculation basin 1, settling tank 2, reaction tank 3, pure water district 4-1, pure water district 4-2 forms (its structure as shown in Figure 1), separate by dividing plate between each reaction zone, pure water district and other bottom, district be UNICOM not, has and separates and the effect of defining each functional zone.
Water inlet system is made up of intake pump 7, stirrer 10, dosing mouth 13-1, blow-off valve 14-1, under meter 19 and water intaking valve 21, and water inlet is by intake pump 7 suctions that are positioned at half-reaction district one side, to flocculation basin 1; Water intaking valve 21 connects intake pump 7 by under meter 19, is used for dominant discharge; Dosing mouth 13-1 enables simultaneously, adds the flocculation medicament, and stirrer 10 is positioned at 1 top, half-reaction district, is used to promote medicament dissolving and flocculation net to catch effect; If during maintenance, utilize the blow-off valve 14-1 that is positioned at 1 bottom, half-reaction district that water is carried out emptying;
The settling tank top is provided with water-in, and the water outlet gravity flow enters settling tank 2; Settling tank 2 is made up of with spoil disposal blow-off valve 14-2 mud discharging device 12, settling tank 2 is mainly used in the precipitation of the former water in flocculation back, spoil disposal blow-off valve 14-2 is positioned at settling tank 2 bottoms, mud discharging device 12 is " hydraucone " shape structure, be positioned at settling tank 2, mud is discharged by some cycles by the spoil disposal blow-off valve 14-2 that is positioned at its bottom after collecting, and during as if maintenance, utilizes the spoil disposal blow-off valve 14-2 that is positioned at settling tank 2 bottoms that water is carried out emptying;
Water outlet gravity flow through flocculation sediment enters reaction tank 3, reaction tank is by gas blower 6, self-priming water pump 8, blow-off valve 14-3, aeration tube 15, upflow tube 16, membrane module 17, uv steriliser 18, under meter 19, liquidometer 20 and form, 15 ventilations of 6 pairs of aeration tubes of gas blower, aeration tube 15 release air are carried out air scour to membrane module 17; Upflow tube 16 is positioned at aeration reaction zone 3 tops, discharges water during in order to accident; Water outlet is divided into two-way, and by solenoid control, the direct water outlet in a place is by 17 water outlets of self-priming water pump 8 suction membrane modules; Water outlet is carried out disinfection by uv steriliser 18; One place enters pure water district 4, is provided with under meter 19 before rising pipe, with the metering water outlet; If during maintenance, utilize the blow-off valve 14-3 that is positioned at reaction tank 3 bottoms that water is carried out emptying;
The water outlet of part film enters the pure water district, and pure water district 4 and 1,2,3 organic linking to each other of preceding series function district continue advanced treatment is carried out in water outlet.The pure water district is connected to form by dividing plate by pure water district 4-1 and 4-2, and at first water outlet enters pure water district 4-1 (being mainly a small-sized ultra filtration unit), is used for the membrane bioreactor water outlet is carried out the advanced treatment of ultrafiltration; Water outlet afterwards enters pure water district 4-2 (for a reverse osmosis and the mixed bed of an ion processing unit), is used for advanced treatment is carried out in the ultrafiltration water outlet.
The control of reaction unit is finished by automatic control device 9.
Above-mentioned gained reactor for treatment is handled contaminated river course, certain school water.
Enter flocculation basin through the former water after the rough purification (precipitation just) by water inlet pipe, carry out throwing out.Flocculation agent, is in the dynamic uniform mixing under the hydraulic action of stirrer through dosing mouth, finishes flocculation reaction.Mixing water enters settling tank afterwards, and the flocculation mud of generation is through the discharging of spoil disposal blow-off valve, and treating water enters reaction tank and carries out further precipitin reaction afterwards, and water outlet is through pure water reaction zone 4-1, and 4-2 handles.
At water inlet COD
Mn, NH
3-N, SS, turbidity, total hardness (in lime carbonate) is respectively: 8～19mgL
-1, 0.3～3mgL
-1, 37～50mgL
-1, 20～60NTU, 600mgL
-1The time, effluent quality is respectively after the art breading: 2mgL
-1Below, 0.03mgL
-1Below, 0mgL
-1, below the 0.2NTU, 40mgL
-1Below.Can be better than " drinking water sanitary standard " requirement (GB5749-2006).Through pure water reaction zone 4-1, the water after 4-2 handles can reach pure water standard (" National Laboratory's water supply standard " GB6682-92; " national electronic-grade ultrapure water standard " GB/T11446.1-1997) requirement.
Claims (8)
1. dispose of sewage or the micro-polluted raw packaging stage-type film bioreactor device for one kind, this device is the container body structure, connect to form when handling micro-polluted raw by dividing plate by half-reaction district (1), anaerobic reaction district (2), aeration reaction zone (3) and pure water district, half-reaction district (1) is called flocculation basin, anaerobic reaction district (2) is called settling tank, aeration reaction zone (3) is called reaction tank, it is characterized in that anaerobic reaction district (2) is positioned at top, half-reaction district (1), and half-reaction district (1) passes through pipeline UNICOM with aeration reaction zone (3) bottom:
Half-reaction district (1) is made up of filler (5), intake pump (7), stirrer (10), dosing mouth (13-1), blow-off valve (14-1), under meter (19), water intaking valve (21), blow-off valve is positioned at bottom, half-reaction district (1), intake pump (7) is positioned at half-reaction district one side, filler (10) is positioned at half-reaction district (1), to be circular layout, stirrer (10) is positioned at top, half-reaction district (1), and top, half-reaction district (1) is provided with water-in, and the water outlet gravity flow enters anaerobic zone (2); Dosing mouth (13-1) is positioned at top, half-reaction district (1), and water intaking valve (21) connects intake pump (7) by under meter (19), and blow-off valve (14-1) is positioned at bottom, half-reaction district (1);
Anaerobic reaction district (2) is made up of with spoil disposal blow-off valve (14-2) stirrer (10), mud discharging device (12), dosing mouth (13-2), stirrer (10) is positioned at top, anaerobic reaction district (2), spoil disposal blow-off valve (14-2) is positioned at bottom, anaerobic reaction district (2), mud discharging device (12) is the toroidal structure, be positioned at anaerobic reaction district (2), dosing mouth (13-2) is positioned at top, anaerobic reaction district (2);
Aeration reaction zone (3) is made up of internal reflux pump (11), aeration tube (15), upflow tube (16), membrane module (17), blow-off valve (14-3), gas blower (6), self-priming water pump (8), under meter (19) uv steriliser (18), and internal reflux pump (11) is positioned at aeration reaction zone (3) bottom; Aeration tube (15) is positioned at aeration reaction zone (3) bottom, and aeration tube (15) inlet mouth is positioned at aeration reaction zone (3) one sides, and gas blower (6) connects aeration tube (15) by this inlet mouth, and upflow tube (16) is positioned at aeration reaction zone (3) top; Blow-off valve (14-3) is positioned at aeration reaction zone (3) bottom; Membrane module (17) is positioned at aeration reaction zone (3) middle part, and the rising pipe of aeration reaction zone (3) connects self-priming water pump (8), by self-priming water pump (8) suction water outlet, water outlet is divided into two-way, by solenoid control, and the direct water outlet in a place, one place enters the pure water district, is provided with under meter (19) before rising pipe;
The pure water district is connected to form by dividing plate by pure water district (4-1) and pure water district (4-2), and pure water district (4-1) is a small-sized ultra filtration unit, and exhalant region (4-2) is provided with outlet valve (22) for a reverse osmosis and the mixed bed of an ion processing unit in two pure water districts.
2. according to claim 1 disposing of sewage or the micro-polluted raw packaging stage-type film bioreactor device is characterized in that liquid level counts 3, lays respectively at top in half-reaction district (1), anaerobic reaction district (2) and the aeration reaction zone (3).
3. according to claim 2 disposing of sewage or the micro-polluted raw packaging stage-type film bioreactor device is characterized in that automatic control device (9) is connected with gas blower (6), intake pump (7), self-priming water pump (8), pure water district and liquidometer (20) respectively by control circuit.
4. according to claim 1 and 2 disposing of sewage or the micro-polluted raw packaging stage-type film bioreactor device is characterized in that aeration tube (15) structure in the form of a ring, is positioned at membrane module (17) below.
5. according to claim 1 and 2 disposing of sewage or the micro-polluted raw packaging stage-type film bioreactor device, it is characterized in that pretreatment reaction district (2), aeration reaction zone (3), pure water district (4-1) and pure water district (4-2) are equipped with sampling valve all around, sampling valve is respectively 2-8.
6. according to claim 1 and 2 disposing of sewage or the micro-polluted raw packaging stage-type film bioreactor device is characterized in that being positioned at the mud valve in blow-off valve (14-2) the double as anaerobic reaction district (2) of anaerobic reaction district (2).
7. according to claim 1 and 2 disposing of sewage or the micro-polluted raw packaging stage-type film bioreactor device is characterized in that the interior filler in half-reaction district (1) (5) is fixed filler.
8. according to claim 1 and 2 disposing of sewage or the micro-polluted raw packaging stage-type film bioreactor device is characterized in that automatic control device (9) is an integrated form, and its outside is provided with PLC and various switch.
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| CNB2007101721873A CN100545110C (en) | 2007-12-13 | 2007-12-13 | Dispose of sewage or the micro-polluted raw packaging stage-type film bioreactor device |
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| CNB2007101721873A CN100545110C (en) | 2007-12-13 | 2007-12-13 | Dispose of sewage or the micro-polluted raw packaging stage-type film bioreactor device |
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