CN104193079A - Device and method for deeply purifying domestic sewage by utilizing rapid soil infiltration system - Google Patents
Device and method for deeply purifying domestic sewage by utilizing rapid soil infiltration system Download PDFInfo
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- CN104193079A CN104193079A CN201410357529.9A CN201410357529A CN104193079A CN 104193079 A CN104193079 A CN 104193079A CN 201410357529 A CN201410357529 A CN 201410357529A CN 104193079 A CN104193079 A CN 104193079A
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Abstract
The invention discloses a device for deeply purifying domestic sewage by utilizing a rapid soil infiltration system. The device comprises a primary grating machine, a secondary grating machine, a nano aeration ablation device, a rapid soil infiltration system, a vortex sieve filter tank and a water outlet tank. The invention further discloses a method for removing pollutants such as suspended matters, colloids, inorganic matters and microorganisms out of sewage by use of the device. According to the invention, the rapid soil infiltration system is adopted, sandy soil with good infiltration, red mud molecular sieve packing and plants construct a complex ecological system suitable for sewage treatment, the suspended matters in the sewage are subsequently filtered by screening, residual pollutants are degraded in a photocatalytic manner, and bacteria and pathogenic bacteria in the sewage are killed to achieve sterilizing and disinfecting effects; the treatment capacity per hour is over 1000 tons, and the removal rate of microorganisms and pollutants in the outlet water is 100%.
Description
Technical field
The present invention relates to the device that a kind of quick soil oozes system deep purifying sanitary sewage.
The invention still further relates to and utilize said apparatus to remove the method for dirty pollutant in water (as: suspended substance, colloid, inorganics, microorganism etc.).
Background technology
Along with China's Economic development is accelerated, quantity of wastewater effluent sharply increases.According to statistics, 2015, China city year quantity of wastewater effluent will at least reach 45,500,000,000 tons, and comparing 2009 increases approximately 10,000,000,000 tons.In conjunction with the tempo of current sewage treatment industry, conservative estimation, by 2015, wastewater treatment in China rate will reach 85%, and sewage load will reach 386.75 hundred million tons.Estimation, during " 12 ", approximately needs to increase the sewage treatment capacity of nearly 3,000 ten thousand ton per days thus, and only the sewage treatment facility construction investment market requirement, 60,000,000,000 yuan of left and right, increases by 12,000,000,000 yuan every year.In order to reduce cost of sewage disposal, improve sewage treating efficiency, find a kind of effective sewage immediate processing method imperative.
Summary of the invention
The object of this invention is to provide the device that a kind of quick soil oozes system deep purifying sanitary sewage.
Another object of the present invention is to provide a kind of method of utilizing said apparatus purifying domestic sewage.
For achieving the above object, quick soil provided by the invention oozes the device of system deep purifying sanitary sewage, and its primary structure comprises:
The first step grid maker of two-stage series connection and second stage grid maker, tentatively realize solid-liquid separation, and the water outlet of the second grid maker connects the water-in of nanometer aeration ablating device;
Nanometer aeration ablating device bottom offers mud discharging mouth, and nanometer aeration ablating device inside is positioned at mud discharging mouth top and is provided with aeration plate, and the water outlet of nanometer aeration ablating device connects quick soil and oozes the water-in of system;
The soil system of oozing is divided into cloth pool, quick diafiltration district and three of settling regions part fast, between each region, has dividing plate to cut off; The cloth pool of oozing the water-in of system near quick soil is downstream tank, and sewage from up to down flows, and is filled with rubble and flyash molecular sieve filling in cloth pool; One side in cloth pool is quick diafiltration district, and in the sandy soil in quick diafiltration district and red mud molecular sieve filling, from bottom to top, flow from left to right, last overflow to the top kind that quick soil in settling region oozes system is implanted with plant to sewage; Water outlet in settling region connects the reducing water-distribution nozzle in turbine sieving pond;
Turbine sieving pond is divided into upper and lower two parts by porous plate;
One deck compounded mix is laid in porous plate top, and the bottom of compounded mix is provided with nanometer aeration head, and compounded mix top arranges a turbine, and the reducing water distribution head in turbine sieving pond is located at a upper lateral part of turbine; The top of turbine opposite side is provided with pressure jet pipe, and pressure jet pipe top has an aeration tube, aeration tube to be provided with multiple pore solarization air caps, and aeration tube top is provided with backflash, and ultrasonic generator is installed;
The below of porous plate is water tank, inwall uniform loading one deck nonmetal doping photocatalyst of water tank, the bottom of water tank is provided with ultraviolet sterilization lamp, and nanometer aeration head is set between the space of ultraviolet sterilization lamp, and in water tank, remaining space is filled with semi-conductor load filler; The water outlet of the water tank in turbine sieving pond is connected with nanometer aeration settling bowl;
Water tank connects a reducing backwash shower nozzle by a pipeline, and this reducing backwash shower nozzle is located at compounded mix surface, and the water outlet of nanometer aeration settling bowl is connected with reducing backwash shower nozzle by backwashing pump.
Described device, wherein, porous plate is mingled with one deck steel gauze by two-layer porous plate and forms.
Described device, wherein, the each connection one nanometer aeration machine respectively of two nanometer aeration heads in vortex sieve filter tank, and the nanometer aeration head air inlet of vortex sieve filter tank porous plate top is O
2, the nanometer aeration head air inlet in water tank is O
3.
Described device, wherein, it is 30-60mm that quick soil oozes rubble and the flyash molecular sieve filling particle diameter of in the cloth pool of system, filling, sandy soil and the red mud molecular sieve filling particle diameter in diafiltration district is 15-30mm fast.
Described device, wherein, it is Canna generalis Bailey and cattail that the top kind that quick soil oozes system is implanted with plant.
Described device, wherein, the compounded mix in turbine sieving pond is the natural zeolite molecular sieve of particle diameter 0.5-1.0mm and the mixture of molecular sieve, filling mixture ratio is 8:1.
The method of utilizing said apparatus decontamination of biological sewage provided by the invention:
1) grid maker of two-stage series connection divides two filtering accuracies effectively to tackle the solid in sewage, tentatively realizes solid-liquid separation, intercepts the large-sized solid in sewage, reduces the solid content in sewage, prevents that suspended substance from impacting the subsequent disposal of sewage;
2) water outlet of grid maker is in nanometer aeration ablating device, utilize nano bubble in aeration process oxidation, melt, chain scission, macromolecule organic in sewage is decomposed rapidly, long-chain organism thoroughly interrupts, sewage deodorization under high-temperature nano aeration, de-bubble, decomposition biodegradable organic compounds simultaneously, reduces COD, kills remaining pathogenic bacteria and microorganism, improve water quality, for sewage subsequent biological treatment provides sufficient carbon source;
3) water outlet of nanometer aeration ablating device flow to quick soil and oozes in system, through cloth pool water distribution, after processing, remakes precipitation process in settling region precipitation in quick diafiltration district, reduces the sieving intractability in next step vortex sieve filter tank;
4) fast soil oozes under the water inlet water impact effect that the water outlet of system forms by the reducing water-distribution nozzle in turbine sieving pond and drives turbine rotation, disturb compounded mix top layer in turbine sieving pond, avoid pollution substance to be trapped on the top layer of compounded mix, make current from Rapid Flow mistake between compounded mix gap, when ensureing effluent quality, improve filtering rate, delayed backwashing period;
Nanometer aeration head in vortex sieve filter tank adopts O
3aeration, because nano bubble has huge quantity, specific surface area, the characteristic such as lift velocity slowly, simultaneously gas residence time of ducking in drink long, increased gas-to-liquid contact area, duration of contact, be beneficial to ozone soluble in water, overcome ozone and be insoluble in the shortcoming of water; Microbubble inside has larger pressure and nano bubble while breaking, and interface disappears, and the chemical energy that surrounding environment acutely changes generation impels and produces more hydroxyl radical free radical OH, strengthens O
3the organic ability of oxygenolysis; And nano level O
3bubble and ultraviolet sterilization lamp, semi-conductor load filler coexist in turbine sieving pond, improve advanced oxidation effect, can effectively improve OH production rate.The effluent recycling in vortex sieve filter tank oozes system water inlet to quick soil, regulating water quality stimulating plant process of growth secretion secondary substance.
Described method, wherein, the average irradiation dose of ultraviolet sterilization lamp is at 300J/m
2above.
The present invention adopts rapid sewage treating theory, use a series of mechanical process, physics and chemistry method, biological process effectively to shorten the sewage disposal time, make fast to produce sewage and reach middle water reuse standard, innoxious, resource utilization is obvious, avoid effectively due to the long impact causing surrounding enviroment of sewage disposal cycle.The advantages such as this technique has view sight simultaneously, and wastewater treatment efficiency is stable.The present invention adopts quick soil to ooze system, utilize the sandy soil of good penetrability and red mud molecular sieve filling and plant to build the Complex Ecological Systems of suitable sewage disposal, suspended matter in sewage is filtered in follow-up use sieving, in vortex sieve filter tank, nano titanium dioxide crystal excites the free negative ion that has oxidizing power under ultra violet lamp as photocatalyst, simultaneously in nanometer aeration process and the energy that excites of ultrasonic wave generating process also can there is and strengthen the generation of free negative ion, reach photocatalysis effect; And free negative ion with and break away from the constraint of covalent linkage after leave room, with nano bubble surface with electric charge produce micro-electrolysis effectiveness simultaneously, degradable residual contamination material, kill the bacterium in sewage, pathogenic bacteria, plays the effect of sterilization.
Brief description of the drawings
Fig. 1 is the device schematic diagram that quick soil of the present invention oozes system deep purifying sanitary sewage.
Primary clustering nomenclature in accompanying drawing:
1 one-level grid maker; 2 secondary grid makers; 3 nanometer aeration ablating devices; 4 cloth pools; 5 quick diafiltration districts; 6 botanical systems; 7 quick soil ooze system; 7A dividing plate; 8 settling regions; 9 first valves; 10 reducing water-distribution nozzles; 11 vortex sieve filter tanks; 12 turbines; 13 reducing backwash shower nozzles; 14 second valves; 15 backwashing pumps; 16 outlet sumies; 17 hydro-pumps; 18 the 4th valves; 19 ultraviolet sterilization lamps; 20 porous plates; 21,21A nanometer aeration head; 22 semi-conductor load fillers; 23 water tanks; 24,24A, 24B nanometer aeration machine; 25 the 5th valves; 26 spinner-type flowmeters; 27 aeration plates; 28 mudholes; 29 ultrasonic generators; 30 aeration tubes; 31 backflashes.
Embodiment
The device that quick soil of the present invention oozes system deep purifying sanitary sewage can be removed dirty pollutant in water (as: suspended substance, colloid, inorganics, microorganism etc.) fast.
Quick soil provided by the invention oozes the device of system deep purifying sanitary sewage, and its primary structure comprises:
1,2 points of two filtering accuracies of grid maker of two-stage series connection are effectively tackled the solid in sewage, tentatively realize solid-liquid separation, intercept the large-sized solid in sewage, reduce the solid content in sewage, prevent that suspended substance from impacting the subsequent disposal of sewage.The water outlet of grid maker 2 connects the water-in of nanometer aeration ablating device 3.
Nanometer aeration ablating device 3 bottoms offer mud discharging mouth 28, nanometer aeration ablating device 3 inside are positioned at mud discharging mouth 28 tops and are provided with aeration plate 27, this aeration plate 27 connects a nanometer aeration machine 24, utilize the oxidation of nano bubble in aeration process, melt, chain scission, macromolecule organic in sewage is decomposed rapidly, long-chain organism thoroughly interrupts, sewage deodorization under high-temperature nano aeration simultaneously, de-bubble, decompose biodegradable organic compounds, reduce COD, kill remaining pathogenic bacteria and microorganism, improve water quality, for sewage subsequent biological treatment provides sufficient carbon source.For ease of controlling aeration rate, between aeration plate 27 and nanometer aeration machine 24, spinner-type flowmeter 26 is installed.
The water outlet of nanometer aeration ablating device 3 connects quick soil and oozes the water-in of system 7.
It is highly 1000mm that quick soil oozes system 7, is divided into cloth pool 4, quick diafiltration district 5 and 8 three of settling regions part, has dividing plate 7A to cut off between each region.Wherein, the rubble and the flyash molecular sieve filling particle diameter that ooze the cloth pool 4 interior fillings of the water-in of system 7 near quick soil are 30-60mm, with large particle size filler, sewage is carried out to water distribution uniformity, sandy soil and the red mud molecular sieve filling particle diameter of diafiltration district's 5 interior fillings are 15-30mm fast, sewage is carried out to quick bio processing, shorten reaction time, improved processing efficiency; Cloth pool 4 is downstream tank, and sewage from up to down flows.One side in cloth pool 4 is quick diafiltration district 5, and at quick diafiltration district 5 interior sewage from bottom to top, flow from left to right, last overflow is to settling region 8.The top kind that quick soil oozes system 7 is implanted with plant (as Canna generalis Bailey and cattail etc.), utilize its heavy root system, strengthen the combined effect of root system of plant and microorganism, increase porosity of soil to improve sewage popularity, promote plant and ooze absorption and sorption effect in system at soil.Soil oozes the crisscross dish knot of 7 kinds of root systems of plant of planting of system fast, is wrapped on rubble and sandy soil, improves treatment effect and carry out precipitation process to processing rear sewage when having landscape effect, reduces the sieving intractability in next step vortex sieve filter tank.Water outlet in settling region 8 connects the reducing water-distribution nozzle 10 in turbine sieving pond 11 by the first valve 9.
Turbine sieving pond 11 adopts the theory of fast filtering to hold back macromole suspended substance and colloid, and make current from Rapid Flow mistake between filler gap, avoid pollution substance to be trapped on the top layer of filler, when ensureing effluent quality, improve filtering rate, delayed backwashing period.
Turbine sieving pond 11 is divided into upper and lower two parts by porous plate 20 (two-layer porous plate is mingled with one deck steel gauze).One deck compounded mix 20A is laid in porous plate 20 tops, and this compounded mix 20A can select natural zeolite molecular sieve and the molecular sieve of diameter 0.5-1.0mm, and packing volume, than mixing for 8:1, is removed pollution substance in order to the degree of depth.The bottom of compounded mix 20A is provided with nanometer aeration head 21, and compounded mix 20A top arranges a turbine 12, and the reducing water distribution head 10 in turbine sieving pond 11 is located at a upper lateral part of turbine 12; The top of turbine 12 opposite sides is provided with pressure jet pipe, and there is an aeration tube 30 pressure jet pipe top, and aeration tube 30 is provided with multiple pore solarization air caps, and solarization air cap vertically upward; Aeration tube 30 tops are provided with backflash 31, and ultrasonic generator 29 is installed.The below of porous plate 20 is water tank 23, inwall uniform loading one deck nonmetal doping photocatalyst of water tank 23, the bottom of water tank 23 is provided with ultraviolet sterilization lamp 19, nanometer aeration head 23B is set between the space of ultraviolet sterilization lamp 19, and the interior remaining space of water tank 23 is filled with semi-conductor load filler 22 (as nano-TiO
2powder loads on solid netted polypropylene filler), the present invention is fixed on filler on carrier, and having solved conventional photocatalyst needs the collaborative drawback using of dispersion agent, has reduced the leakage of catalyzer, has avoided reaction to finish the separating step of rear catalyst.
Nanometer aeration head 21 in vortex sieve filter tank 11 is connected with the each connection one nanometer aeration machine 24 of nanometer aeration head 23B difference, 24B, and nanometer aeration head 21 air inlets of vortex sieve filter tank porous plate top are O
2, the nanometer aeration head 23B air inlet in water tank is O
3.While using turbine sieving pond 11, the discontinuous work of nanometer aeration head 23B in water tank, the air producing is upwards heaved from porous plate 20, be divided into small bubbles, intermittently break up the fine and close crud layer on compounded mix 21, pollution substance layer is broken into sheet and floats, in the time that the buoyancy of aeration tube 30 and turbine 12 rotate to the right under the synergy of (direction as shown) thrust, overflow is to backflash 31, the pollutent that compounded mix 21 is held back is concentrated outside eliminating turbine sieving pond 11, mixed with the water inlet in turbine sieving pond 11 again and process.Can extend work-ing life and the backwash cycle in turbine sieving pond 11, for the lower situation of influent turbidity, even can be without back flushing, constantly operation is purified waste water.
Nanometer aeration head 21 in vortex sieve filter tank 11 adopts O
3aeration, because nano bubble has huge quantity, specific surface area, the characteristic such as lift velocity slowly, simultaneously gas residence time of ducking in drink long, increased gas-to-liquid contact area, duration of contact, be beneficial to ozone soluble in water, overcome ozone and be insoluble in the shortcoming of water; Microbubble inside has larger pressure and nano bubble while breaking, and interface disappears, and the chemical energy that surrounding environment acutely changes generation impels and produces more hydroxyl radical free radical OH, strengthens O
3the organic ability of oxygenolysis; And nano level O
3(the average irradiation dose of ultraviolet sterilization lamp is at 300J/m for bubble and ultraviolet sterilization lamp
2above), semi-conductor load filler coexists in turbine sieving pond 11, improves advanced oxidation effect, can effectively improve OH production rate.The water outlet of the water tank 23 in turbine sieving pond 11 is connected with nanometer aeration settling bowl 16 by the 3rd valve 17.Water tank 23 connects a reducing backwash shower nozzle 13 by the 4th valve 18, and this reducing backwash shower nozzle 13 is located at compounded mix 20A surface.The water outlet of nanometer aeration settling bowl 16 is connected with reducing backwash shower nozzle 13 by backwashing pump 15, between backwashing pump 15 and reducing backwash shower nozzle 13, is provided with the second valve 14.
The present invention utilizes the method for said apparatus decontamination of biological sewage to be:
The sewage two-stage grid maker of flowing through under action of gravity, solid particulate in sewage is trapped within grid surface mesh, sewage flow to nanometer aeration ablating device from fenstral porosity, open nanometer aeration machine, utilize the oxidation of nano bubble in nanometer aeration process, melt, chain scission, macromolecule organic in sewage is decomposed rapidly, long-chain organism thoroughly interrupts, sewage deodorization under high-temperature nano aeration simultaneously, de-bubble, decompose biodegradable organic compounds, reduce COD, kill remaining pathogenic bacteria and microorganism, improve water quality, for sewage subsequent biological treatment provides sufficient carbon source.
The water outlet of nanometer aeration ablating device flow to quick soil and oozes in system, and through cloth pool water distribution, advanced treatment in quick diafiltration district, finally in settling region precipitation process.Wherein, fill rubble and flyash molecular sieve filling in cloth pool, sandy soil and red mud molecular sieve filling in diafiltration district, although reduce filler filter effect, shortened reaction time fast, improved processing efficiency; Settling region carries out precipitation process to processing rear sewage, reduces the sieving intractability in next step vortex sieve filter tank.When back flushing, open the 5th valve, import water purification in inner storing water pond, turbine sieving pond system is carried out to back flushing.The flyash molecular sieve of filling in cloth pool is for a large amount of adsorption foulings load slowly-releasing gradually, for reducing pollution load and toxicity, the red mud molecular sieve filling floor in diafiltration district utilizes the red mud molecular sieve of meta-alkalescence as filler fast, the small molecules acid producing with anaerobic part acidifying in absorption rapidly, regulate sewage potential of hydrogen, make environment plant preferably in device, microorganism existence; Build the heavy metal in the fixing sewage of slight alkali environment simultaneously, prevent that it from leaching, utilize small organic molecule to supply with plant nutrient, absorption in growing process, absorption heavy metal carry out heavy metal biological stabilization.All mixed fillers surface forms microbial film, forms aerobic, anoxic, anaerobic state from top to bottom, goes down except the pollution substance in sewage in the synergy of root system of plant and microorganism.
According to one embodiment of the invention, utilize the device treatment capacity per hour that quick soil of the present invention oozes system deep purifying sanitary sewage to exceed 1000 tons, go out water microorganism, pollutants removal rate reaches 100%.
The present invention adopts three grades of backwashing technologies to carry out back flushing:
One-level back flushing is aeration circulation back flushing, because pollution substance is in the accumulation of filling surface, the space that sewage is difficult to see through between filler is permeated down, in sieving process, carry out back flushing, open aeration tube 30 intermittently starting porous plate below nanometer aeration machine 24B, the discontinuous work of the interior nanometer aeration head of water tank 23, air is upwards heaved from porous plate, be divided into small bubbles, intermittently break up the fine and close crud layer on sieving filler, pollution substance layer is broken into sheet and floats, in the time of the buoyancy of aeration tube and turbine rotation, under the synergy of thrust, produce impeller effect to the right, clean energetically the fine and close pollutent of filler top layer sheet, overflow is to backflash, the pollutent that filler is held back is concentrated outside remover, mix again and process with water inlet, sewage also can continue to permeate down from molecular sieve space, one-level back flushing can extend screen apparatus work-ing life and backwash cycle, for the lower situation of influent turbidity, even can be without back flushing, and make device constantly move and purify waste water.
Secondary back flushing is air pulse back flushing, because turbidity of sewage is too high, causes the bulk deposition of pollution substance at filling surface, only depends on one-level backwash step still can not reach the effect that continues sieving.Now close the valve between valve and vortex sieve filter tank 11 and the outlet sump 16 of reducing water inlet pipe 10, open the valve of backwashing pump 15, start backwashing pump 15, aeration tube 30 and two nanometer aeration machine 24A, 24B, outlet sump 16 is imported in water tank 23.Under the effect of pressure of return water, whole air in water tank 23 are subject to crushing failure at high speed, rise along pore on dividing potential drop storehouse, all under the impact force action of sieving packing layers nanometer aeration head under the impeller effect of ascending air, swivel disturbance and filler, the pollution substance fragmentation of filler space is floated, impact flow-stopping plate to the right under the synergy of thrust in the buoyancy of aeration tube and water inlet again, overflow to backflash with initially intake and mix, treat water surface fast-descending.After filtering rate is stablized again, close valve, backwashing pump 15 and two nanometer aeration machine 24A, the 24B of backwashing pump 15, the valve between valve and vortex sieve filter tank 11 and the outlet sump 16 of unlatching reducing water inlet pipe 10, proceeds sieving processing.
Three grades of back flushinges are the back flushing of aeration turbulent flow, and now I and II back flushing has been not enough to covering, the obstructing problem of contaminated solution material to filler, and sewage must not gather and filtered in a large number.Now close the valve of reducing water inlet pipe 10, valve between unlatching vortex sieve filter tank 11 and outlet sump 16 and the valve of backwashing pump 15, start backwashing pump 15, aeration tube 30, ultrasonic generator 29 and two nanometer aeration machine 24A, 24B, water outlet in outlet sump is imported in water tank 23 in a large number.(1) water tank 23 inner airs rise and stir along porous plate pore, and filler bottom nanometer aeration head starts aeration, and filler top turbine constantly rotates; (2) utilize the collaborative cleaning of nanometer aeration techno-shock, oxidation, air supporting and high temperature action, top filler presents turbulence state, carry out random high-speed motion state, filler phase mutual friction under the surging force of current vortex and the shear action of bubble, the organic pollutant adhering on filler can be removed, and obtains comparatively pure filler; (3) utilize ultrasonic generator in liquid medium, to produce ultrasonic wave, produce cavitation effect at sieving filling surface, the shockwave forming when cavitation steam bubble breaks in closing course, can around it, produce the surge pressure of thousands of air pressure, act on and on filling surface, destroy viscosity between dirt, and they are dispersed in backwash liquor rapidly, thereby reach the effect of filling surface cleaning.(4) after air emptying, the water outlet of outlet sump continues to import, the water outlet of being rich in hydroxy radical qiao rinse turbulence state filler particles surface and micropore, peel off pollution substance, filler is regenerated.And pollution substance under water flow impact pressure and right side aeration tube air supporting effect constantly to floating up to the water surface, flow out and initially intake and mix from left end influent weir and right-hand member backflash.Through three grades of back flushinges, internal contamination thing is cleaned totally emptying.
Conventional sand filtration is not disturbance layer of sand in filtration procedure, and current are flow through between sand fine gap.Conventionally adopt not disturbance layer of sand, on compacting filler, increase hydraulic pressure, sand, add the means such as grid and improve sand filtration process, allow current flow through between sand fine gap, and pollution substance rests on the top layer of layer of sand.The present invention utilizes turbine rotation disturbance filler top layer, prevent smooth the pass through formation resistance of pollution substance accumulation to current, utilize the means such as surging force and the shearing force modifying device of advanced oxidation, nanometer aeration, bubble simultaneously, utilize the filler such as molecular sieve, manganese sand to be optimized design, finally use the improvement treating processess such as three grades of back flushinges.
Claims (9)
1. quick soil oozes a device for system deep purifying sanitary sewage, and its primary structure comprises:
The first step grid maker of two-stage series connection and second stage grid maker, tentatively realize solid-liquid separation, and the water outlet of the second grid maker connects the water-in of nanometer aeration ablating device;
Nanometer aeration ablating device bottom offers mud discharging mouth, and nanometer aeration ablating device inside is positioned at mud discharging mouth top and is provided with aeration plate, and the water outlet of nanometer aeration ablating device connects quick soil and oozes the water-in of system;
The soil system of oozing is divided into cloth pool, quick diafiltration district and three of settling regions part fast, between each region, has dividing plate to cut off; The cloth pool of oozing the water-in of system near quick soil is downstream tank, and sewage from up to down flows, and is filled with rubble and flyash molecular sieve filling in cloth pool; One side in cloth pool is quick diafiltration district, and in the sandy soil in quick diafiltration district and red mud molecular sieve filling, from bottom to top, flow from left to right, last overflow to the top kind that quick soil in settling region oozes system is implanted with plant to sewage; Water outlet in settling region connects the reducing water-distribution nozzle in turbine sieving pond;
Turbine sieving pond is divided into upper and lower two parts by porous plate;
One deck compounded mix is laid in porous plate top, and the bottom of compounded mix is provided with nanometer aeration head, and compounded mix top arranges a turbine, and the reducing water distribution head in turbine sieving pond is located at a upper lateral part of turbine; The top of turbine opposite side is provided with pressure jet pipe, and pressure jet pipe top has an aeration tube, aeration tube to be provided with multiple pore solarization air caps, and aeration tube top is provided with backflash, and ultrasonic generator is installed;
The below of porous plate is water tank, inwall uniform loading one deck nonmetal doping photocatalyst of water tank, the bottom of water tank is provided with ultraviolet sterilization lamp, and nanometer aeration head is set between the space of ultraviolet sterilization lamp, and in water tank, remaining space is filled with semi-conductor load filler; The water outlet of the water tank in turbine sieving pond is connected with nanometer aeration settling bowl;
Water tank connects a reducing backwash shower nozzle by a pipeline, and this reducing backwash shower nozzle is located at compounded mix surface, and the water outlet of nanometer aeration settling bowl is connected with reducing backwash shower nozzle by backwashing pump.
2. device according to claim 1, wherein, porous plate is mingled with one deck steel gauze by two-layer porous plate and forms.
3. device according to claim 1, wherein, the each connection one nanometer aeration machine respectively of two nanometer aeration heads in vortex sieve filter tank, and the nanometer aeration head air inlet of vortex sieve filter tank porous plate top is O
2, the nanometer aeration head air inlet in water tank is O
3.
4. device according to claim 1, wherein, it is 30-60mm that quick soil oozes rubble and the flyash molecular sieve filling particle diameter of in the cloth pool of system, filling, sandy soil and the red mud molecular sieve filling particle diameter in diafiltration district is 15-30mm fast.
5. device according to claim 1, wherein, it is Canna generalis Bailey and cattail that the top kind that quick soil oozes system is implanted with plant.
6. device according to claim 1, wherein, the compounded mix in turbine sieving pond is the natural zeolite molecular sieve of particle diameter 0.5-1.0mm and the mixture of molecular sieve, filling mixture ratio is 8:1.
7. utilize the method for installing decontamination of biological sewage described in claim 1:
1) grid maker of two-stage series connection divides two filtering accuracies effectively to tackle the solid in sewage, tentatively realizes solid-liquid separation, intercepts the large-sized solid in sewage, reduces the solid content in sewage, prevents that suspended substance from impacting the subsequent disposal of sewage;
2) water outlet of grid maker is in nanometer aeration ablating device, utilize nano bubble in aeration process oxidation, melt, chain scission, macromolecule organic in sewage is decomposed rapidly, long-chain organism thoroughly interrupts, sewage deodorization under high-temperature nano aeration, de-bubble, decomposition biodegradable organic compounds simultaneously, reduces COD, kills remaining pathogenic bacteria and microorganism, improve water quality, for sewage subsequent biological treatment provides sufficient carbon source;
3) water outlet of nanometer aeration ablating device flow to quick soil and oozes in system, through cloth pool water distribution, after processing, remakes precipitation process in settling region precipitation in quick diafiltration district, reduces the sieving intractability in next step vortex sieve filter tank;
4) fast soil oozes under the water inlet water impact effect that the water outlet of system forms by the reducing water-distribution nozzle in turbine sieving pond and drives turbine rotation, disturb compounded mix top layer in turbine sieving pond, avoid pollution substance to be trapped on the top layer of compounded mix, make current from Rapid Flow mistake between compounded mix gap, when ensureing effluent quality, improve filtering rate, delayed backwashing period;
Nanometer aeration head in vortex sieve filter tank adopts O
3aeration, because nano bubble has huge quantity, specific surface area, the characteristic such as lift velocity slowly, simultaneously gas residence time of ducking in drink long, increased gas-to-liquid contact area, duration of contact, be beneficial to ozone soluble in water, overcome ozone and be insoluble in the shortcoming of water; Microbubble inside has larger pressure and nano bubble while breaking, and interface disappears, and the chemical energy that surrounding environment acutely changes generation impels and produces more hydroxyl radical free radical OH, strengthens O
3the organic ability of oxygenolysis; And nano level O
3bubble and ultraviolet sterilization lamp, semi-conductor load filler coexist in turbine sieving pond, improve advanced oxidation effect, effectively improve OH production rate.
8. method according to claim 7, wherein, the average irradiation dose of ultraviolet sterilization lamp is at 300J/m
2above.
9. method according to claim 7, wherein, the effluent recycling in vortex sieve filter tank oozes system water inlet to quick soil, regulating water quality stimulating plant process of growth secretion secondary substance.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032908A (en) * | 2015-06-23 | 2015-11-11 | 江苏麦可博生物环保工程技术有限公司 | Device and technological method for repairing organic contaminated soil and underground water |
| CN112225399A (en) * | 2020-11-05 | 2021-01-15 | 生态环境部华南环境科学研究所 | Ecological pond system of stable purification of pond rich water and retrieval and utilization |
| CN113024041A (en) * | 2021-03-22 | 2021-06-25 | 深圳市国祯环保科技股份有限公司 | Urban domestic sewage treatment integrated equipment |
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| JPS58189093A (en) * | 1982-04-30 | 1983-11-04 | Toshiba Corp | Treatment of aqueous hydrazine |
| CN101525200A (en) * | 2009-04-22 | 2009-09-09 | 江苏大学 | Ecological soil purifying bed with automatic domestic sewage reoxygenation function |
| DE102009041143A1 (en) * | 2009-09-14 | 2011-03-24 | Frederick Simon Oosthuizen | Processing mining waste water comprises separating sulfur metal ions and sulfate from water, reducing sulfur metal ions and sulfate to sulfide and removing the sulfide from waste water, and oxidizing the waste water loaded with iron salts |
| CN102107995A (en) * | 2010-12-24 | 2011-06-29 | 北京林业大学 | Low-temperature municipal sewage reinforced treatment method based on chemical coagulation-two stage aeration biological filter combined technique |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58189093A (en) * | 1982-04-30 | 1983-11-04 | Toshiba Corp | Treatment of aqueous hydrazine |
| CN101525200A (en) * | 2009-04-22 | 2009-09-09 | 江苏大学 | Ecological soil purifying bed with automatic domestic sewage reoxygenation function |
| DE102009041143A1 (en) * | 2009-09-14 | 2011-03-24 | Frederick Simon Oosthuizen | Processing mining waste water comprises separating sulfur metal ions and sulfate from water, reducing sulfur metal ions and sulfate to sulfide and removing the sulfide from waste water, and oxidizing the waste water loaded with iron salts |
| CN102107995A (en) * | 2010-12-24 | 2011-06-29 | 北京林业大学 | Low-temperature municipal sewage reinforced treatment method based on chemical coagulation-two stage aeration biological filter combined technique |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032908A (en) * | 2015-06-23 | 2015-11-11 | 江苏麦可博生物环保工程技术有限公司 | Device and technological method for repairing organic contaminated soil and underground water |
| CN105032908B (en) * | 2015-06-23 | 2017-06-06 | 江苏麦可博生物环保工程技术有限公司 | The device and process of a kind of renovation of organic pollution soil and underground water |
| CN112225399A (en) * | 2020-11-05 | 2021-01-15 | 生态环境部华南环境科学研究所 | Ecological pond system of stable purification of pond rich water and retrieval and utilization |
| CN113024041A (en) * | 2021-03-22 | 2021-06-25 | 深圳市国祯环保科技股份有限公司 | Urban domestic sewage treatment integrated equipment |
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| Publication number | Publication date |
|---|---|
| CN104193079B (en) | 2016-06-08 |
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