CN104193079B - A kind of quick soil oozes the apparatus and method of system depth purifying domestic sewage - Google Patents
A kind of quick soil oozes the apparatus and method of system depth purifying domestic sewage Download PDFInfo
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Abstract
A kind of quick soil oozes the device of system depth purifying domestic sewage, including: one-level grid maker, two grades of grid makers, nanometer aeration ablating device, quick soil ooze system, vortex sieve filter tank and discharge bay. The invention also discloses the method utilizing said apparatus to remove the polluters such as float, colloid, inorganic matter, microorganism in sewage. The present invention adopts quick soil to ooze system, the sandy soil utilizing good penetrability build, with red mud molecular sieve filling and plant, the Complex Ecological Systems being suitable for sewage disposal, suspended material in follow-up use sieving filter sewage, photocatalytic degradation residual contamination material, the antibacterial killed in sewage, pathogen, playing the effect of sterilization, treating capacity is more than 1000 tons per hour, goes out water microorganism, pollutants removal rate reaches 100%.
Description
Technical field
The present invention relates to a kind of quick soil and ooze the device of system depth purifying domestic sewage.
The invention still further relates to the method utilizing said apparatus to remove dirty pollutant in water (such as float, colloid, inorganic matter, 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 at least up to 45,500,000,000 tons, will be compared 2009 and increase about 10,000,000,000 tons. In conjunction with the development speed of current sewage treatment industry, conservative estimation, by 2015, wastewater treatment in China rate was up to 85%, and sewage load is up to 386.75 hundred million tons. Thus estimating, " 12 " period, about needing to increase the sewage treatment capacity of nearly 3,000 ten thousand ton per days, only the sewage treatment facility construction investment market demand is at about 60,000,000,000 yuan, namely 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
It is an object of the invention to provide a kind of quick soil and ooze the device of system depth purifying domestic sewage.
It is yet another object of the invention to provide a kind of method utilizing said apparatus purifying domestic sewage.
For achieving the above object, quick soil provided by the invention oozes the device of system depth purifying domestic sewage, and its primary structure includes:
The first order grid maker of two-stage series connection and second level grid maker, tentatively realize solid-liquid separation, and the water outlet of the second grid maker connects the water inlet of nanometer aeration ablating device;
Offering mud discharging mouth bottom nanometer aeration ablating device, nanometer aeration ablating device is internally located at mud discharging mouth and is provided above aeration plate, and the water outlet of nanometer aeration ablating device connects quick soil and oozes the water inlet of system;
The quick soil system of oozing is divided into water distribution area, quick diafiltration district and three, settling zone part, has dividing plate to cut off between each region; The water distribution area of the water inlet that close quick soil oozes system is downstream tank, and sewage from up to down flows, and is filled with rubble and coal ash molecular sieve filler in water distribution area;The side of water distribution area is quick diafiltration district, and in the sandy soil in quick diafiltration district and red mud molecular sieve filling, sewage is from bottom to top, flow from left to right, and the last overflow top kind that quick soil oozes system to settling zone is implanted with plant; Water outlet in settling zone connects the reducing water-distribution nozzle in turbine sieving pond;
Turbine sieving pond is divided into upper and lower two parts by porous plate;
Laying one layer of compounded mix above porous plate, the bottom of compounded mix is provided with nanometer aeration head, and compounded mix is provided above 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 is arranged above with an aeration tube, and aeration tube is provided with multiple pore solarization air cap, and aeration tube is provided above backflash, and is provided with ultrasonic generator;
The lower section of porous plate is storage tank, one layer of nonmetal doping photocatalyst of the inwall uniform load of storage tank, the bottom of storage tank is provided with ultraviolet sterilization lamp, arranges nanometer aeration head between the space of ultraviolet sterilization lamp, and in storage tank, remaining space is filled with quasiconductor load filler; The water outlet of the storage tank in turbine sieving pond is connected with nanometer aeration Sedimentation tank;
Storage tank connects a reducing backwash shower nozzle by a pipeline, and this reducing backwash shower nozzle is located at compounded mix surface, and the outlet of nanometer aeration Sedimentation tank is connected with reducing backwash shower nozzle by backwashing pump.
Described device, wherein, porous plate is mingled with one layer of steel gauze by two-layer porous plate and forms.
Described device, wherein, two nanometer aeration heads in vortex sieve filter tank are respectively connected with a nanometer aeration machine, and the nanometer aeration head air inlet above the porous plate of vortex sieve filter tank is O2, the nanometer aeration head air inlet in storage tank is O3��
Described device, wherein, quick soil oozes the rubble filled in the water distribution area of system and coal ash molecular sieve packing material size is 30-60mm, and the sandy soil in quick diafiltration district and red mud molecular sieve filling particle diameter are 15-30mm.
Described device, wherein, quick soil oozes the top kind of system, and to be implanted with plant be Canna generalis Bailey and Herba Typhae.
Described device, wherein, the natural zeolite molecular sieve that compounded mix is particle diameter 0.5-1.0mm in turbine sieving pond and the mixture of molecular sieve, filling mixture ratio is 8:1.
The method utilizing said apparatus decontamination of biological sewage provided by the invention:
1) grid maker of two-stage series connection divides two filtering accuracies that the solid in sewage is effectively intercepted, and tentatively realizes solid-liquid separation, intercepts the large-sized solid in sewage, reduces the solid content in sewage, it is prevented that the subsequent treatment of sewage is impacted by float;
2) water outlet of grid maker is in nanometer aeration ablating device, utilize the oxidation of nano bubble in aeration process, melt, chain scission, macromolecule organic in sewage is decomposed rapidly, long-chain Organic substance thoroughly interrupts, sewage deodorize under high-temperature nano aeration, de-bubble, decomposition biodegradable organic compounds simultaneously, reduces COD, kills pathogen and the microorganism of remaining, improve water quality, provide the carbon source of abundance for sewage subsequent biological treatment;
3) water outlet of nanometer aeration ablating device flow to quick soil and oozes in system, through water distribution area water distribution, remakes precipitation process in settling zone precipitation, reduce the sieving intractability in next step vortex sieve filter tank in quick diafiltration district after processing;
4) quickly soil oozes drive turbine rotation under the water inlet water impact effect that the water outlet of system is formed by the reducing water-distribution nozzle in turbine sieving pond, disturb compounded mix top layer in turbine sieving pond, polluter is avoided to be trapped on the top layer of compounded mix, current are made to flow fast through between compounded mix gap, while ensureing effluent quality, improve filtering rate, delay backwashing period;
Nanometer aeration head in vortex sieve filter tank adopts O3Aeration, owing to nano bubble has huge quantity, the characteristic such as specific surface area, the slowly rate of climb, gas time of staying of ducking in drink is long simultaneously, adds gas liquid interfacial area, time of contact, it is beneficial to ozone soluble in water, overcomes the shortcoming that ozone is insoluble in water; Having bigger pressure inside microbubble and interface disappears when nano bubble breaks, surrounding acutely changes the chemical energy of generation and promotes to produce more hydroxyl radical free radical OH, strengthens O3The organic ability of oxidation Decomposition; And nano level O3Bubble and ultraviolet sterilization lamp, quasiconductor load filler coexist in turbine sieving pond, improve advanced oxidation effect, can be effectively improved OH generation rate. The effluent recycling in vortex sieve filter tank to quick soil oozes system water inlet, and regulating water quality also stimulates growing process secretion secondary substance.
Described method, wherein, ultraviolet sterilization lamp average shot dosage is at 300J/m2Above.
The present invention adopts rapid sewage treating theory, a series of Mechanical Method, physics and chemistry method, bioanalysis is used effectively to shorten the sewage disposal time, generation sewage is quickly made to reach Treated sewage reusing standard, innoxious, resource obvious, avoid effectively owing to sewage treatment period length causes the impact on surrounding enviroment. 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, the sandy soil utilizing good penetrability build, with red mud molecular sieve filling and plant, the Complex Ecological Systems being suitable for sewage disposal, suspended material in follow-up use sieving filter sewage, in vortex sieve filter tank, nano titanium dioxide crystal excites the free anion of great oxidizing force as photocatalyst under ultra violet lamp, simultaneously in nanometer aeration process and the energy that excites of ultrasound wave generating process also can there is and strengthen the generation of free anion, reach photocatalysis effect; And free anion and its break away from the constraint of covalent bond after leave room, with nano bubble surface with electric charge produce light electrolysis effect, degradable residual contamination material, the antibacterial killed in sewage, pathogen simultaneously, play the effect of sterilization.
Accompanying drawing explanation
Fig. 1 is the device schematic diagram that the quick soil of the present invention oozes system depth purifying domestic sewage.
Primary clustering symbol description in accompanying drawing:
1 one-level grid maker; 2 two grades of grid makers; 3 nanometer aeration ablating devices; 4 water distribution area; 5 quick diafiltration districts; 6 botanical systems; 7 quick soil ooze system; 7A dividing plate; 8 settling zones; 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 discharge baies; 17 hydraulic pumps; 18 the 4th valves; 19 ultraviolet sterilization lamps; 20 porous plates; 21,21A nanometer aeration head; 22 quasiconductor load fillers; 23 storage tanks; 24,24A, 24B nanometer aeration machine; 25 the 5th valves; 26 spinner flowmeters; 27 aeration plates; 28 mudholes; 29 ultrasonic generators; 30 aeration tubes; 31 backflashes.
Detailed description of the invention
The quick soil of the present invention oozes the device of system depth purifying domestic sewage can quickly remove dirty pollutant in water (such as float, colloid, inorganic matter, microorganism etc.).
Quick soil provided by the invention oozes the device of system depth purifying domestic sewage, and its primary structure includes:
Solid in sewage is effectively intercepted by 1,2 points of two filtering accuracies of the grid maker of two-stage series connection, tentatively realizes solid-liquid separation, intercepts the large-sized solid in sewage, reduces the solid content in sewage, it is prevented that the subsequent treatment of sewage is impacted by float.The water outlet of grid maker 2 connects the water inlet of nanometer aeration ablating device 3.
Mud discharging mouth 28 is offered bottom nanometer aeration ablating device 3, nanometer aeration ablating device 3 is internally located at mud discharging mouth 28 and is provided above 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 Organic substance thoroughly interrupts, sewage deodorize under high-temperature nano aeration simultaneously, de-bubble, decompose biodegradable organic compounds, reduce COD, kill pathogen and the microorganism of remaining, improve water quality, the carbon source of abundance is provided for sewage subsequent biological treatment. for ease of controlling aeration rate, spinner flowmeter 26 is installed between aeration plate 27 and nanometer aeration machine 24.
The water outlet of nanometer aeration ablating device 3 connects quick soil and oozes the water inlet of system 7.
It is highly 1000mm that quick soil oozes system 7, is divided into water distribution area 4, quick diafiltration district 5 and 8 three, settling zone part, has dividing plate 7A to cut off between each region. Wherein, ooze the rubble filled in the water distribution area 4 of the water inlet of system 7 near quick soil and coal ash molecular sieve packing material size is 30-60mm, with large particle size filler, sewage is carried out water distribution uniformity, the sandy soil filled in quick diafiltration district 5 are 15-30mm with red mud molecular sieve filling particle diameter, sewage is carried out quick bio process, shorten reaction time, improve treatment effeciency; Water distribution area 4 is downstream tank, and sewage from up to down flows. The side of water distribution area 4 is quick diafiltration district 5, and in quick diafiltration district 5, sewage is from bottom to top, flow from left to right, and last overflow is to settling zone 8. Quick soil oozes the top kind of system 7 and is implanted with plant (such as Canna generalis Bailey and Herba Typhae etc.), utilize its heavy root system, strengthen the combined effect of root system of plant and microorganism, increase porosity of soil popular to improve sewage, promote plant and ooze absorption and sorption effect in system at soil. Quick soil oozes the crisscross dish knot of 7 kinds of root systems of plant planted of system, is wrapped on rubble and sandy soil, improves treatment effect and sewage after processing is carried out precipitation process, reduce the sieving intractability in next step vortex sieve filter tank while having landscape effect. Water outlet in settling zone 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 retain macromole float and colloid, and making current flow fast through between filler gap, it is to avoid polluter is trapped on the top layer of filler, it is ensured that while effluent quality, improve filtering rate, delay 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 layer of steel gauze). Laying one layer of compounded mix 20A above porous plate 20, this compounded mix 20A can select natural zeolite molecular sieve and the molecular sieve of diameter 0.5-1.0mm, and packing volume mixes than for 8:1, removes polluter in order to the degree of depth. The bottom of compounded mix 20A is provided with nanometer aeration head 21, and compounded mix 20A is provided above 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 side is provided with pressure jet pipe, and pressure jet pipe is arranged above with an aeration tube 30, and aeration tube 30 is provided with multiple pore solarization air cap, and solarization air cap is vertically upward; Aeration tube 30 is provided above backflash 31, and is provided with ultrasonic generator 29.The lower section of porous plate 20 is storage tank 23, one layer of nonmetal doping photocatalyst of the inwall uniform load of storage tank 23, the bottom of storage tank 23 is provided with ultraviolet sterilization lamp 19, arranging nanometer aeration head 23B between the space of ultraviolet sterilization lamp 19, in storage tank 23, remaining space is filled with quasiconductor load filler 22 (such as nano-TiO2Powder body load is at solid netted polypropylene filler), filler is fixed on carrier by the present invention, solving conventional photocatalyst needs dispersant to work in coordination with the drawback of use, decreases the leakage of catalyst, it is to avoid reaction terminates the separating step of rear catalyst.
Nanometer aeration head 21 and nanometer aeration head 23B in vortex sieve filter tank 11 are respectively connected with a nanometer aeration machine 24,24B connects, and nanometer aeration head 21 air inlet above the porous plate of vortex sieve filter tank is O2, the nanometer aeration head 23B air inlet in storage tank is O3. When using turbine sieving pond 11, the nanometer aeration discontinuous work of head 23B in storage tank, the air produced upwards is heaved from porous plate 20, it is divided into minute bubbles, interval breaks up the fine and close crud layer on compounded mix 21, polluter layer is broken into lamellar and floats, when the buoyancy of aeration tube 30 and turbine 12 rotate under the synergism of (direction as shown) thrust to the right, overflow is to backflash 31, making the pollutant that compounded mix 21 retains concentrate and get rid of outside turbine sieving pond 11, the water inlet with turbine sieving pond 11 mixes and again processes. Service life and the backwash cycle in turbine sieving pond 11 can be extended, for influent turbidity relatively low in the case of, it might even be possible to without backwash, constantly run and purify sewage.
Nanometer aeration head 21 in vortex sieve filter tank 11 adopts O3Aeration, owing to nano bubble has huge quantity, the characteristic such as specific surface area, the slowly rate of climb, gas time of staying of ducking in drink is long simultaneously, adds gas liquid interfacial area, time of contact, it is beneficial to ozone soluble in water, overcomes the shortcoming that ozone is insoluble in water; Having bigger pressure inside microbubble and interface disappears when nano bubble breaks, surrounding acutely changes the chemical energy of generation and promotes to produce more hydroxyl radical free radical OH, strengthens O3The organic ability of oxidation Decomposition; And nano level O3(ultraviolet sterilization lamp average shot dosage is at 300J/m with ultraviolet sterilization lamp for bubble2Above), quasiconductor load filler coexist in turbine sieving pond 11, improve advanced oxidation effect, OH generation rate can be effectively improved. The water outlet of the storage tank 23 in turbine sieving pond 11 is connected with nanometer aeration Sedimentation tank 16 by the 3rd valve 17. Storage 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 outlet of nanometer aeration Sedimentation tank 16 is connected with reducing backwash shower nozzle 13 by backwashing pump 15, is provided with the second valve 14 between backwashing pump 15 and reducing backwash shower nozzle 13.
The present invention utilizes the method for said apparatus decontamination of biological sewage to be:
Sewage flows through two-stage grid maker under gravity, solid particle in sewage is trapped within grid surface mesh, sewage flow to nanometer aeration ablating device from fenestral 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 Organic substance thoroughly interrupts, sewage deodorize under high-temperature nano aeration simultaneously, de-bubble, decompose biodegradable organic compounds, reduce COD, kill pathogen and the microorganism of remaining, improve water quality, the carbon source of abundance is provided for sewage subsequent biological treatment.
Nanometer aeration ablating device water outlet flow to quick soil and oozes in system, and through water distribution area water distribution, advanced treating in quick diafiltration district, finally in settling zone precipitation process. Wherein, in water distribution area, fill rubble and coal ash molecular sieve filler, sandy soil and red mud molecular sieve filling in quick diafiltration district, although reduce filler filter effect, but shorten reaction time, improve treatment effeciency; Sewage after processing is carried out precipitation process by settling zone, reduces the sieving intractability in next step vortex sieve filter tank. Open the 5th valve during backwash, import water purification in inner storing water pond, turbine sieving pond and system is carried out backwash. The coal ash molecular sieve filled in water distribution area is for a large amount of adsorption fouling loads slow release gradually, for reducing pollutional load and toxicity, the red mud molecular sieve filling floor in quick diafiltration district utilizes the red mud molecular sieve of meta-alkalescence as filler, the little molecule acid produced with anaerobic part acidifying in rapid adsorption, regulate sewage acid-base value, make device environment plant preferably, microbe survival; Heavy metal in the fixing sewage of construction slight alkali environment simultaneously, it is prevented that it leaches, utilizes small organic molecule supply plant nutrient, and absorption in growing process, absorption heavy metal carry out heavy metal biological stabilisation. All of mixed fillers surface forms biomembrane, from top to bottom forms aerobic, anoxia, anaerobic state, and the synergism at root system of plant Yu microorganism goes down the polluter in scrubbing water.
According to one embodiment of the invention, utilize the quick soil of the present invention to ooze the device treating capacity per hour of system depth purifying domestic sewage more than 1000 tons, go out water microorganism, pollutants removal rate reaches 100%.
The present invention adopts three grades of backwashing technologies to carry out backwash:
One-level backwash is aeration cycle backwash, owing to polluter is in the accumulation of filling surface, the space infiltration that sewage is difficult to pass through between filler is gone down, sieving process carries out backwash, open nanometer aeration machine 24B below aeration tube 30 intermittently starting porous plate, the discontinuous work of nanometer aeration head in storage tank 23, air is upwards heaved from porous plate, it is divided into minute bubbles, interval breaks up the fine and close crud layer on sieving filler, polluter layer is broken into lamellar and floats, impeller effect is produced under the synergism of thrust to the right when buoyancy and the turbine rotation of aeration tube, clean filler top layer lamellar densification pollutant energetically, overflow is to backflash, the pollutant that filler retains are made to concentrate outside remover, mix with water inlet and again process, sewage also can continue the infiltration from molecular sieve space and go down, one-level backwash can extend screen apparatus service life and backwash cycle, for influent turbidity relatively low in the case of, it might even be possible to without backwash, make device constantly run purification sewage.
Two grades of backwashes are air pulse backwash, owing to turbidity of sewage is too high, cause that polluter is at the bulk deposition of filling surface, only still can not reach to continue the effect of sieving by one-level backwash step. Now close the valve between valve and vortex sieve filter tank 11 and the discharge bay 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, discharge bay 16 is imported in storage tank 23. Under the effect of pressure of return water, whole air in storage tank 23 are subject to crushing failure at high speed, along dividing potential drop storehouse, pore rises, whole sieving packing layers are under ascending air, the impeller effect of rotation disturbance and filler under the impact force action of nanometer aeration head, the polluter of filler space is broken to be floated, again under the synergism that the buoyancy of aeration tube and water inlet impact flow-stopping plate thrust to the right, overflow mixes to backflash with initially intaking, and treats water surface rapid decrease.After filtering rate is stablized again, close the valve of backwashing pump 15, backwashing pump 15 and two nanometer aeration machine 24A, 24B, open the valve between valve and vortex sieve filter tank 11 and the discharge bay 16 of reducing water inlet pipe 10, proceed sieving and process.
Three grades of backwashes are aeration turbulent flow backwash, and now I and II backwash has been not enough to solve polluter to the covering of filler, obstructing problem, and sewage must not gather in a large number and filtered. Now close the valve of reducing water inlet pipe 10, open the valve of the valve between vortex sieve filter tank 11 and discharge bay 16 and backwashing pump 15, start backwashing pump 15, aeration tube 30, ultrasonic generator 29 and two nanometer aeration machine 24A, 24B, water outlet in discharge bay is imported in storage tank 23 in a large number. (1) storage tank 23 inner air is along the rising stirring of porous plate pore, and bottom filler, nanometer aeration head starts aeration, and above filler, 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 impulsive force of current vortex and the shear action of bubble, on filler, the organic pollution of attachment can be removed, and obtains comparatively pure filler; (3) utilize ultrasonic generator to produce ultrasound wave in liquid medium, cavitation effect is produced at sieving filling surface, the shock wave formed when cavitation steam bubble breaks in closing course, can in the surge producing thousands of air pressure about, act on and filling surface destroys viscosity between dirt, and make them be dispersed in backwash liquor rapidly, thus reach the effect that filling surface is clean. (4), after air emptying, the water outlet of discharge bay continues to import, rich in the water outlet of hydroxy radical rinse turbulence state filler particles surface and micropore, peel off polluter, filler is regenerated. And polluter under water flow impact pressure and right side aeration tube air supporting effect constantly to floating up to the water surface, flow out from left end influent weir and right-hand member backflash and mix with initially intaking. Through three grades of backwashes, internal contamination thing is cleaned by emptying totally.
Conventional sand filtration is not disturbance layer of sand in filter process, makes current flow through between sand fine gap. Generally adopt not disturbance layer of sand, compacting filler, increase on hydraulic pressure, sand the means such as additional trellis and improve sand filtration process, allow current flow through between sand fine gap, and polluter rests on the top layer of layer of sand. The present invention utilizes turbine rotation disturbance filler top layer, prevent polluter from piling up and current are passed through formation resistance, utilize the means such as advanced oxidation, nanometer aeration, the impulsive force of bubble and shearing force to improve device simultaneously, utilize the filler such as molecular sieve, manganese sand to be optimized design, finally use three grades of backwashes etc. to improve processing procedure.
Claims (9)
1. quick soil oozes a device for system depth purifying domestic sewage, and its primary structure includes:
The first order grid maker of two-stage series connection and second level grid maker, tentatively realize solid-liquid separation, and the water outlet of the second grid maker connects the water inlet of nanometer aeration ablating device;
Offering mud discharging mouth bottom nanometer aeration ablating device, nanometer aeration ablating device is internally located at mud discharging mouth and is provided above aeration plate, and the water outlet of nanometer aeration ablating device connects quick soil and oozes the water inlet of system;
The quick soil system of oozing is divided into water distribution area, quick diafiltration district and three, settling zone part, has dividing plate to cut off between each region;The water distribution area of the water inlet that close quick soil oozes system is downstream tank, and sewage from up to down flows, and is filled with rubble and coal ash molecular sieve filler in water distribution area; The side of water distribution area is quick diafiltration district, and in the sandy soil in quick diafiltration district and red mud molecular sieve filling, sewage is from bottom to top, flow from left to right, and last overflow is to settling zone, and quick soil oozes the top kind of system and is implanted with plant; Water outlet in settling zone connects the reducing water-distribution nozzle in turbine sieving pond;
Turbine sieving pond is divided into upper and lower two parts by porous plate;
Laying one layer of compounded mix above porous plate, the bottom of compounded mix is provided with nanometer aeration head, and compounded mix is provided above 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 is arranged above with an aeration tube, and aeration tube is provided with multiple pore solarization air cap, and aeration tube is provided above backflash, and is provided with ultrasonic generator;
The lower section of porous plate is storage tank, one layer of nonmetal doping photocatalyst of the inwall uniform load of storage tank, the bottom of storage tank is provided with ultraviolet sterilization lamp, arranges nanometer aeration head between the space of ultraviolet sterilization lamp, and in storage tank, remaining space is filled with quasiconductor load filler; The water outlet of the storage tank in turbine sieving pond is connected with nanometer aeration Sedimentation tank;
Storage tank connects a reducing backwash shower nozzle by a pipeline, and this reducing backwash shower nozzle is located at compounded mix surface, and the outlet of nanometer aeration Sedimentation tank is connected with reducing backwash shower nozzle by backwashing pump.
2. quick soil according to claim 1 oozes the device of system depth purifying domestic sewage, and wherein, porous plate is made up of with the assorted one layer of steel gauze of plate holder of porous two-layer.
3. quick soil according to claim 1 oozes the device of system depth purifying domestic sewage, and wherein, two nanometer aeration heads in turbine sieving pond are respectively connected with a nanometer aeration machine, and the nanometer aeration head air inlet above the porous plate of turbine sieving pond is O2, the nanometer aeration head air inlet in storage tank is O3��
4. quick soil according to claim 1 oozes the device of system depth purifying domestic sewage, wherein, quick soil oozes the rubble filled in the water distribution area of system and coal ash molecular sieve packing material size is 30-60mm, and the sandy soil in quick diafiltration district and red mud molecular sieve filling particle diameter are 15-30mm.
5. quick soil according to claim 1 oozes the device of system depth purifying domestic sewage, and wherein, quick soil oozes the top kind of system, and to be implanted with plant be Canna generalis Bailey and Herba Typhae.
6. quick soil according to claim 1 oozes the device of system depth purifying domestic sewage, wherein, the mixture that compounded mix is two kinds of fillers in turbine sieving pond, a kind of natural zeolite molecular sieve filler for particle diameter 0.5-1.0mm, another kind is molecular sieve filling, and the volume proportion of two kinds of fillers is 8: 1.
7. utilize the quick soil described in claim 1 to ooze the method for device purifying domestic sewage of system depth purifying domestic sewage:
1) grid maker of two-stage series connection divides two filtering accuracies that the solid in sewage is effectively intercepted, and tentatively realizes solid-liquid separation, intercepts the large-sized solid in sewage, reduces the solid content in sewage, it is prevented that the subsequent treatment of sewage is impacted by float;
2) water outlet of grid maker is in nanometer aeration ablating device, utilize the oxidation of nano bubble in aeration process, melt, chain scission, macromolecule organic in sewage is decomposed rapidly, long-chain Organic substance thoroughly interrupts, sewage deodorize under high-temperature nano aeration, de-bubble, decomposition biodegradable organic compounds simultaneously, reduces COD, kills pathogen and the microorganism of remaining, improve water quality, provide the carbon source of abundance for sewage subsequent biological treatment;
3) water outlet of nanometer aeration ablating device flow to quick soil and oozes in system, through water distribution area water distribution, remakes precipitation process in settling zone precipitation, reduce the sieving intractability in next step turbine sieving pond in quick diafiltration district after processing;
4) quickly soil oozes drive turbine rotation under the water inlet water impact effect that the water outlet of system is formed by the reducing water-distribution nozzle in turbine sieving pond, disturb compounded mix top layer in turbine sieving pond, polluter is avoided to be trapped on the top layer of compounded mix, current are made to flow fast through between compounded mix gap, while ensureing effluent quality, improve filtering rate, delay backwashing period;
Nanometer aeration head in the storage tank in turbine sieving pond adopts O3Aeration, owing to nano bubble has huge quantity, specific surface area, slowly rate of climb characteristic, gas time of staying of ducking in drink is long simultaneously, adds gas liquid interfacial area, time of contact, is beneficial to ozone soluble in water, overcomes the shortcoming that ozone is insoluble in water; Having bigger pressure inside microbubble and interface disappears when nano bubble breaks, surrounding acutely changes the chemical energy of generation and promotes to produce more hydroxyl radical free radical OH, strengthens O3The organic ability of oxidation Decomposition; And nano level O3Bubble and ultraviolet sterilization lamp, quasiconductor load filler coexist in turbine sieving pond, improve advanced oxidation effect, are effectively improved OH generation rate.
8. method according to claim 7, wherein, ultraviolet sterilization lamp average shot dosage is at 300J/m2Above.
9. method according to claim 7, wherein, the effluent recycling in turbine sieving pond to quick soil oozes system water inlet, and regulating water quality also stimulates growing process secretion secondary substance.
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| CN201410357529.9A CN104193079B (en) | 2014-07-25 | 2014-07-25 | A kind of quick soil oozes the apparatus and method of system depth purifying domestic sewage |
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| CN104193079B true CN104193079B (en) | 2016-06-08 |
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| 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 |
| CN112225399B (en) * | 2020-11-05 | 2022-05-31 | 生态环境部华南环境科学研究所 | Ecological pond system of pond rich water stable purification 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 |
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 |
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2014
- 2014-07-25 CN CN201410357529.9A patent/CN104193079B/en not_active Expired - Fee Related
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 |
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