CN109279726A - A kind of organic wastewater treating system and processing method - Google Patents
A kind of organic wastewater treating system and processing method Download PDFInfo
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- CN109279726A CN109279726A CN201811433514.0A CN201811433514A CN109279726A CN 109279726 A CN109279726 A CN 109279726A CN 201811433514 A CN201811433514 A CN 201811433514A CN 109279726 A CN109279726 A CN 109279726A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 96
- 238000003672 processing method Methods 0.000 title abstract description 5
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims abstract description 80
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- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 4
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
Abstract
The present invention discloses a kind of organic wastewater treating system and processing method, wherein organic wastewater treating system includes reaction tower and settler, reaction tower includes the ultrasonic pretreatment area set gradually from the bottom to top, iron-carbon micro-electrolysis area and microvovtex flocculation zone, ultrasonic pretreatment area is provided with the first water inlet pipe, first water inlet pipe is used to for the organic wastewater after adjusting pH value being delivered in ultrasonic pretreatment area, iron carbon filler is filled in iron-carbon micro-electrolysis area, has catalyst in iron carbon filler surface, several flocculation balls are provided in microvovtex flocculation zone, organic wastewater successively passes through ultrasonic pretreatment area from the bottom to top, iron-carbon micro-electrolysis area and microvovtex flocculation zone；The side of reaction tower is arranged in settler, and settler is connected to by the first outlet pipe with the top of microvovtex flocculation zone.Organic wastewater treating system structure of the invention is simple, and occupied area is small, at low cost, and good waste water treatment effect, and purification efficiency is high, not will cause secondary pollution.
Description
Technical field
The present invention relates to technical field of waste water processing more particularly to a kind of organic wastewater treating system and processing methods.
Background technique
The organic wastewater complicated component of the enterprises such as chemical industry, printing and dyeing, pharmacy, plating, pesticide production, contains poisonous and harmful substance,
Difficult for biological degradation.Often much also contain containing general organic matters such as organic acid, aldehyde, alcohol, ketone, ester, ether, surfactants in waste water
The aromatic amine of carcinogenic teratogenesis phenol, naphthalene, is feared, the polycyclic aromatic hydrocarbons such as BaP, organochlorine, organic mercury of some even also containing severe toxicity
Compound is very big to environmental hazard.
Existing method for processing organic wastewater suffers from respective advantage and disadvantage.Absorption method removes Organic Pollutants in Wastewater
Except there is remarkable result, but adsorbent is easily saturated, easily causes secondary pollution.Chemical oxidization method has significantly Organic Pollutants in Wastewater
Treatment effect, occupation area of equipment is smaller, but processing cost is higher, easily causes secondary pollution.Biological treatment is to waste water color
The removal of degree and COD has preferable effect, but is difficult to reach ideal when handling high concentration difficult for biological degradation organic pollutant
Effect, and occupation area of equipment is big.Also, organic wastewater complicated component, different types of compound property is different, and use is single
Treatment process be often difficult to reach regulation effect, it is difficult to meet increasingly strict environmental requirement.
Summary of the invention
It is an object of the present invention to: a kind of organic wastewater treating system, good waste water treatment effect, purification effect are provided
Rate is high.
It is another object of the present invention to: a kind of organic wastewater treating system is provided, structure is simple, occupied area
It is small, it is at low cost.
Yet another object of the invention is that: a kind of method for processing organic wastewater is provided, process flow is simple, purification effect
Rate is high, and operating cost is low, not will cause secondary pollution.
To achieve this purpose, the present invention adopts the following technical scheme:
In a first aspect, providing a kind of organic wastewater treating system, comprising:
Reaction tower, the reaction tower include the ultrasonic pretreatment area set gradually from the bottom to top, iron-carbon micro-electrolysis area and
Microvovtex flocculation zone, the ultrasonic pretreatment area are provided with the first water inlet pipe, and first water inlet pipe will be for after adjusting pH value
Organic wastewater be delivered in the ultrasonic pretreatment area, in the ultrasonic pretreatment area be equipped with ultrasonic wave vibration plate and with institute
The supersonic generator of ultrasonic wave vibration plate connection is stated, is filled with iron carbon filler, the iron carbon filler in the iron-carbon micro-electrolysis area
Surface has catalyst, is provided with several flocculation balls, the flocculation ball inner hollow, the flocculation in the microvovtex flocculation zone
Flocculation hole is offered on ball, the flocculation hole is connected to the inside of the flocculation ball, and the organic wastewater successively passes through from the bottom to top
The ultrasonic pretreatment area, the iron-carbon micro-electrolysis area and the microvovtex flocculation zone；
The side of the reaction tower is arranged in settler, the settler, and the settler passes through the first water outlet
Pipe is connected to the top of the microvovtex flocculation zone.
As a kind of preferred embodiment of organic wastewater treating system, the bottom and side in the ultrasonic pretreatment area are all provided with
It is equipped with the ultrasonic wave vibration plate, each ultrasonic wave vibration plate is connected with the supersonic generator.
As a kind of preferred embodiment of organic wastewater treating system, the reaction tower further includes to the ultrasonic pretreatment
The delivery device of oxidant is launched in area.
As a kind of preferred embodiment of organic wastewater treating system, the oxidant is ozone, and the delivery device includes
Ozone generator, blower and microvesicle generators, the ozone generator are equipped with air inlet and the row of oxygen or air entrance
Port, the exhaust outlet connect the inlet end of the blower by pipeline, and the exhaust end of the blower connects the microvesicle and occurs
Device, the microvesicle generators are set to the bottom in the ultrasonic pretreatment area, described for the ozone to be equably delivered to
In ultrasonic pretreatment area.
As a kind of preferred embodiment of organic wastewater treating system, the microvesicle generators include being responsible for, on the supervisor
Multiple gas distribution pipes are uniformly placed with along the length direction of the supervisor, the gas distribution pipe is connected to the supervisor, the gas distribution pipe
On offer stomata.
As a kind of preferred embodiment of organic wastewater treating system, the gas distribution pipe includes the first branch pipe and the second branch pipe,
One end of first branch pipe is connected to the supervisor, and the other end connects one end of second branch pipe, second branch pipe
Another end closure setting, the diameter of first branch pipe are less than the diameter of second branch pipe.
As a kind of preferred embodiment of organic wastewater treating system, the oxidant is hydrogen peroxide, the delivery device packet
Holding vessel is included, the holding vessel is connected to by launching pipe with first water inlet pipe, is provided with regulating valve on the dispensing pipe.
As a kind of preferred embodiment of organic wastewater treating system, loadings and the reaction tower of the iron carbon filler
Volume ratio is 1:2.5；And/or
The specific gravity of the iron carbon filler is 800~1200kg/m3；And/or
The porosity of the iron carbon filler is not less than 65%；And/or
The specific surface area of the iron carbon filler is not less than 1.2m2/g；And/or
The mass ratio of the iron carbon filler is 4~6:1.
As a kind of preferred embodiment of organic wastewater treating system, the flocculation ball is ABS plastic flocculation ball.
As a kind of preferred embodiment of organic wastewater treating system, the settler include sedimentation basin, capping, second into
Water pipe and the first mud guard, the top of the sedimentation basin are equipped with bung hole, and the capping lid is located at top and the envelope of the sedimentation basin
The bung hole is blocked up, second water inlet pipe runs through the capping, and one end is extended to outside the sedimentation basin and is discharged with described first
Pipe connection, the other end extends in the sedimentation basin, and second water inlet pipe includes the first pipeline section and the second pipeline section, and described second
Pipeline section is tapered, and the diameter of second pipeline section is directed away from first pipeline section by the one end connecting with first pipeline section
One end become larger, first mud guard be suspended on the one end of second pipeline section far from first pipeline section and with it is described
The end interval of second pipeline section.
As a kind of preferred embodiment of organic wastewater treating system, on second water inlet pipe and it is located at second water inlet
The non-end position of pipe is provided with the second mud guard, and second mud guard is adjacent to first mud guard, the second gear
The inner wall interval first distance of mud plate and the sedimentation basin.
As a kind of preferred embodiment of organic wastewater treating system, the inner wall of the sedimentation basin is provided with third mud guard,
The third mud guard is arranged diagonally downward towards the center of the sedimentation basin, and the third mud guard is far from the sedimentation basin
Vertical range between one end of inner wall and the inner wall of the sedimentation basin is second distance, and the second distance is greater than described first
Distance.
As a kind of preferred embodiment of organic wastewater treating system, the third mud guard is arranged in second mud guard
Side far from first mud guard.
Second aspect also provides a kind of method for processing organic wastewater, using the organic wastewater treating system, makes organic
For the pH value adjustment of waste water to 2~6, the organic wastewater after making adjusting pH value is delivered to the bottom of reaction tower by the first water inlet pipe
Portion, and from the bottom to top successively after ultrasonic pretreatment area, iron-carbon micro-electrolysis area and microvovtex flocculation zone again through the first outlet pipe
It is delivered to settler.
Having the beneficial effect that for the embodiment of the present invention handles organic wastewater, Ke Yili using ultrasonic synergistic iron-carbon micro-electrolysis
It is tentatively evolved with ultrasonic wave to organic wastewater, while ultrasonic wave can also improve iron-carbon micro-electrolysis reaction rate and continue more
New iron carbon filler surface guarantees that iron-carbon micro-electrolysis area continues, efficiently and stably runs；It, can be with by the way that microvovtex flocculation zone is arranged
It is the Fe2+ ion for hydrolyzing generation in electrolytic process as flocculant using iron carbon, utilizes consolidating in microvovtex flocculating principles flocculation water flow
Body suspended matter can be such that flocculation reaction is gradually increased, generate the alumen ustum of high solidity in small volume and equipment without mixing；It is logical
Setting settler is crossed, the draining of reaction tower can be effectively further handled, improve the water quality of final outflow water.Of the invention has
Machine waste water treatment system structure is simple, and occupied area is small, at low cost, and good waste water treatment effect, and purification efficiency is high, not will cause
Secondary pollution.
Detailed description of the invention
The present invention will be further described in detail below based on the drawings and embodiments.
Fig. 1 is the structural schematic diagram of the organic wastewater treating system of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the reaction tower in the organic wastewater treating system of one embodiment of the invention.
Fig. 3 is the structural schematic diagram of the microvesicle generators in Fig. 2.
Fig. 4 is the structural schematic diagram of the reaction tower in the organic wastewater treating system of another embodiment of the present invention.
The structural schematic diagram of settler in the organic wastewater treating system of Fig. 5 embodiment of the present invention.
In figure:
100, reaction tower；110, ultrasonic pretreatment area；111, ultrasonic wave vibration plate；112, supersonic generator；120, iron
Carbon micro-electrolysis area；121, iron carbon filler；130, microvovtex flocculation zone；131, flocculation ball；140, the first water inlet pipe；150, the first water outlet
Pipe；160, delivery device；161, ozone generator；162, blower；163, microvesicle generators；1631, it is responsible for；1632, gas distribution pipe；
16321, the first branch pipe；16322, the second branch pipe；1633, stomata；164, holding vessel；165, pipe is launched；166, regulating valve；
200, settler；210, sedimentation basin；220, it covers；221, cover board；222, ring flat-plate；223, back cover；230, second
Water inlet pipe；231, the first pipeline section；232, the second pipeline section；240, the first mud guard；250, the second mud guard；260, third gear mud
Plate；270, the second outlet pipe；280, sludge pipe.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；It can be mechanical connection,
It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Shown in 5, the embodiment of the present invention provides a kind of organic wastewater treating system, including reaction tower 100 and heavy
Shallow lake device 200, wherein the reaction tower 100 includes the ultrasonic pretreatment area 110 set gradually from the bottom to top, the micro- electricity of iron carbon
Area 120 and microvovtex flocculation zone 130 are solved, the ultrasonic pretreatment area 110 is provided with the first water inlet pipe 140, first water inlet
Pipe 140 is used to for the organic wastewater after adjusting pH value being delivered in the ultrasonic pretreatment area 110, the ultrasonic pretreatment
Equipped with ultrasonic wave vibration plate 111 and the supersonic generator 112 connecting with the ultrasonic wave vibration plate 111 in area 110, the iron carbon is micro-
Iron carbon filler 121 is filled in electrolysis zone 120,121 surface of iron carbon filler has catalyst, the microvovtex flocculation zone 130
Inside it is provided with several flocculation balls 131,131 inner hollow of flocculation ball offers flocculation hole, institute in the flocculation ball 131
The inside that flocculation hole is connected to the flocculation ball 131 is stated, the organic wastewater successively passes through the ultrasonic pretreatment from the bottom to top
Area 110, the iron-carbon micro-electrolysis area 120 and the microvovtex flocculation zone 130, the settler 200 are arranged in the reaction tower
100 side, the settler 200 are connected to by the first outlet pipe 150 with the top of the microvovtex flocculation zone 130.
Ultrasonic wave refers to that frequency is higher than a kind of high frequency machinery wave of 20kHz, and wavelength is shorter, and energy is concentrated, and what is loaded is strong
Big energy can cause liquid turbulent, can be used for the reinforcing of various liquid-liquids, solid-liquid chemical reaction.For solid-liquid reaction system, surpass
Strong microjet and shock wave energy caused by the cavitation of sound wave in the solution wash away the surface of solids, discharge the surface of solids
Reactivity site, while liquid turbulent flow caused by ultrasonic wave exacerbates the degree of solid-liquid mixing, to improve chemical anti-
Answer rate.In addition, integrating the ultrasonic wave of the technologies such as advanced oxidation, pyrolysis, supercritical oxidation can also make in organic wastewater
Pollutant is changed into small organic molecule, or even is changed into CO2、H2O etc..
Iron-carbon micro-electrolysis technology is: using the difference of iron, oxidation of coal reduction potential, constituting the two in reactor countless
Small primary battery, the pollutant in deoxidization, degradation organic wastewater.However, after reactor longtime running, 121 surface of iron carbon filler
The ferriferous oxide being easily generated is covered, while being electrolysed the Fe of generation2+Coagulation easily formed to stablize and flocculate and gradually sink
Product causes the passivation inactivation of iron carbon filler 121, cell reaction is made to be obstructed on the surface of iron carbon filler 121, and the embodiment of the present invention will
The top in ultrasonic pretreatment area 110 is arranged in iron-carbon micro-electrolysis area 120, and organic wastewater is made to first pass through ultrasonic pretreatment area
Iron-carbon micro-electrolysis area 120 is reached after 110 again, ultrasonic wave is not only can use and preliminary purification, while ultrasound is carried out to organic wastewater
Wave can also improve iron-carbon micro-electrolysis reaction rate and 121 surface of continuous updating iron carbon filler, guarantee that iron-carbon micro-electrolysis area 120 is held
Continue, efficiently and stably run, i.e., ultrasonic synergistic iron-carbon micro-electrolysis handles organic wastewater, and iron carbon filler can be effectively prevented
121 passivation inactivations, promote the treatment effeciency of organic wastewater.
It, can be using iron carbon as the Fe for hydrolyzing generation in electrolytic process by the way that microvovtex flocculation zone 130 is arranged2+Ion is as flocculation
Agent can make to flocculate using the solid suspension in microvovtex flocculating principles flocculation water flow in small volume and equipment without mixing
Reaction is gradually increased, and generates the alumen ustum of high solidity；By the way that settler 200 is arranged, reaction can be effectively further handled
The draining of tower 100 improves the water quality of final outflow water.Organic wastewater treating system structure of the invention is simple, and occupied area is small, at
This is low, and good waste water treatment effect, and purification efficiency is high, not will cause secondary pollution.
In one embodiment, the bottom and side in the ultrasonic pretreatment area 110 of the bottom setting of reaction tower 100 are provided with
The ultrasonic wave vibration plate 111, each ultrasonic wave vibration plate 111 are connected with the supersonic generator 112.This design can make
The oscillating region of ultrasonic wave is wider, guarantees that the organic wastewater in ultrasonic pretreatment area 110 can fully be occurred by ultrasonic wave
Corresponding reaction occurs for the ultrasonic wave contact that device 112 issues.
The ultrasonic power of supersonic generator 112 is 0~8KW, and supersonic frequency is 20~80kHz.
In ultrasonic pretreatment area 110, ultrasonic wave causes cavitation effect in water, generates the wink of 4000K and 100MPa
Between localized hyperthermia, hyperbaric environment, and generate the microjet and shock wave with strong impacts of speed about 110m/s, hydrone
When hot spot reaches supercriticality, the oxidizing substances such as hydroxyl radical free radical, super oxygen base are resolved into, the organic contamination in waste water is made
In hot spot the reaction such as chemical bond rupture, water phase burning, pyrolytic, supercritical water oxidation, free-radical oxidation occurs for object, and is superimposed
Particle vibration, secondary derivative wave in sound field etc., to be changed into small organic molecule, or even are changed into CO2、H2O etc..
In order to enhance the cavitation effect of ultrasonic wave, further promote the life of the oxidizing substances such as hydroxyl radical free radical, super oxygen base
At the oxidizing intensity of raising ultrasonic degradation pollutant launches oxidant into ultrasonic pretreatment area 110, launches oxidant
Device be delivery device 160, the delivery device 160 of different structure is selected according to the difference of oxidant.
In the present embodiment, referring to Fig. 2 and Fig. 3, oxidant is ozone (O3), the delivery device 160 is sent out including ozone
Raw device 161, blower 162 and microvesicle generators 163, the air inlet that the ozone generator 161 is equipped with oxygen or air enters
Mouth and exhaust outlet, the exhaust outlet connect the inlet end of the blower 162, the exhaust end connection of the blower 162 by pipeline
The microvesicle generators 163, the microvesicle generators 163 are set to the bottom in the ultrasonic pretreatment area 110, and being used for will be described
Ozone is equably delivered in the ultrasonic pretreatment area 110.Above-mentioned design can be total in microvesicle generators 163 and ultrasonic wave
Under same-action, keeps ozone fully dispersed and be dissolved in organic wastewater, greatly improve the oxidability of organic wastewater.
In the present embodiment, the microvesicle generators 163 include supervisor 1631, along the supervisor on the supervisor 1631
1631 length direction is uniformly placed with multiple gas distribution pipes 1632, and the gas distribution pipe 1632 is connected to the supervisor 1631, described
Stomata 1633 is offered on gas distribution pipe 1632.This design can make ozone to it is lower and go up, to be continuously and uniformly added to ultrasonic wave pre-
In treatment region 110.
Specifically, the dosage of the ozone is 50~100mg/L, and the aperture of stomata 1633 is 0.1~2000 μm micro-
Hole.
In one embodiment, the gas distribution pipe 1632 include the first branch pipe 16321 and the second branch pipe 16322, described first
One end of pipe 16,321 1631 is connected to the supervisor, and the other end connects one end of second branch pipe 16322, and described second
Another end closure of pipe 16322 is arranged, and the diameter of first branch pipe 16321 is less than the diameter of second branch pipe 16322, gas
Hole 1633 is uniformly provided on the second branch pipe 16322.By the way that the diameter of the first branch pipe 16321 is set smaller than the second branch pipe
The cooperation of big tubule may be implemented in 16322 diameter, slows down the speed of the ozone transported out by the second branch pipe 16322, guarantees
The time of the reaction of ozone and organic wastewater is more sufficient.
Optionally, four gas distribution pipes 1632 are respectively set in 1631 opposite two sides of supervisor, altogether eight gas distribution pipes
1632, eight gas distribution pipes 1632 are in horizontal arrangement, and supervisor 1631 forms gas distribution face, the cloth with gas distribution pipe 1632 in the horizontal plane
The area in gas face is not less than the 3/4 of the area in the section of the reaction tower 100.Sufficiently large gas distribution face can make ozone with react
Organic wastewater in the ultrasonic pretreatment area 110 of tower 100 comes into full contact with.
In other embodiments, referring to Fig. 4, the oxidant is hydrogen peroxide (H2O2), the delivery device 160 includes storage
Tank 164 is deposited, the holding vessel 164 is connected to first water inlet pipe 140 by launching pipe 165, is arranged on the dispensing pipe 165
There is regulating valve 166.Hydrogen peroxide is also a kind of stronger oxidant, and the degree of oxidation of ultrasonic degradation pollutant can be improved,
Under the action of ultrasonic wave, hydrogen peroxide enters in ultrasonic pretreatment area 110 with organic wastewater is broken down into OH and H freedom
Base provides more oxidizing substances for degradation reaction.
In the present embodiment, the dosage of hydrogen peroxide is 0.01~0.04mol/L,
In one embodiment, the iron carbon filler 121 loaded in iron-carbon micro-electrolysis area 120 is Regularization filler, this Regularization is filled out
Material is that the standardized iron of partial size, carbon, metal or non-metallic catalyst, activator etc. are uniformly mixed and pressed by a certain percentage
Type is made, is then sintered, the shapes such as spherical, ellipse or cylinder can be selected, without assembling, loading is few.
In the present embodiment, the loadings of the iron carbon filler 121 and the volume ratio of the reaction tower 100 are 1:2.5, institute
The specific gravity for stating iron carbon filler 121 is 800~1200kg/m3, the porosity of the iron carbon filler 121 is not less than 65%, the iron
The specific surface area of carbon filler 121 is not less than 1.2m2/ g, the mass ratio of the iron carbon filler 121 are 4~6:1.
In addition, the catalyst loaded on iron carbon filler 121 be one of titanium, manganese, cobalt, cerium metal oxide catalyst,
Two or more, the weight of catalyst and the weight ratio of iron carbon content are 2~8:92~98.
On the one hand the ultrasonic pretreatment area 110 being arranged below iron-carbon micro-electrolysis area 120 can carry out just organic wastewater
Step purification, is changed into CO for the organic pollutant fraction in waste water2、H2O etc. is largely changed into small organic molecule, favorably
In its enter iron-carbon micro-electrolysis area 120 after by iron carbon filler 121 absorption, decompose, on the other hand, ultrasonic wave in water caused by it is disorderly
Stream can be improved the solid-liquid reaction rate of iron carbon filler 121 Yu waste water, while strong microjet and punching caused by cavitation
It hits wave energy and washes away ferriferous oxide, flocculate that 121 surface of iron carbon filler is formed under longtime running, discharge 121 table of iron carbon filler
The reactivity site in face, avoids reaction speed from declining.In addition, the hydrogen peroxide launched of ultrasonic pretreatment area 110 can also be
The Fe that the hydrolysis of iron carbon filler 121 generates2+Catalytic action under generate OH free radical, ultrasonic pretreatment area 110 and iron carbon are micro-
Electrolysis zone 120 is complemented each other in technique, the organic pollutant in efficient degradation waste water.
The difference in Electrode Potential of iron and carbon in iron carbon filler 121 can form countless small primary batteries in waste water, in micro- electricity
High active substance is generated in solution preocess.When the organic pollutant in waste water passes through iron carbon filler 121, iron carbon can be adsorbed on and filled out
On material 121, and series of oxidation reduction reaction occurs with these high active substances, is broken down into CO2、H2O etc., thus by thoroughly net
Change.
In one embodiment, the flocculation ball 131 that microvovtex flocculation zone 130 loads is ABS plastic flocculation ball, and bulk density is greater than water.
Preferably, the diameter of flocculation ball 131 is 200mm, and the aperture in the flocculation hole that surface opens up is 30mm, and percent opening is greater than 60%.
ABS (i.e. Acrylonitrile Butadiene Styrene) refers to acrylonitrile-butadiene-styrene copolymer,
It is a kind of intensity height, good toughness, thermoplastics type's Polymer Materials ' Structure easily processed into type, also known as ABS resin.ABS has excellent
Good comprehensive physical and mechanical performance, fabulous low-temperature impact resistance, dimensional stability, electrical property, wearability, anti-chemical drugs
Moral character, dyeability, finished product processing and machining are preferable.ABS resin is water-fast, inorganic salts, alkali and acids, insoluble in most of alcohol
Class and hydrocarbon solvent, and be readily soluble in aldehyde, ketone, ester and certain chlorohydrocarbons.ABS resin heat distortion temperature is low flammable, weatherability
Poor, melting temperature is at 217~237 DEG C, and thermal decomposition temperature is at 250 DEG C or more.
Iron-carbon micro-electrolysis reacts a large amount of H in consumption water, and produces a large amount of [OH] so that pH value be made to increase and be
Subsequent flocculation reaction creates condition, also, the Fe of generation is hydrolyzed in iron carbon electrolytic process2+Ion is good flocculant, tool
After thering is very high absorption-flocculation activity, water flow to enter microvovtex flocculation zone 130 from iron-carbon micro-electrolysis area 120, flocculation ball is passed repeatedly through
131 flocculation hole forms a large amount of small whirlpools under the frictional resistance effect of via hole flow velocity, flow direction variation and inside and outside wall surface.Wadding
Solidifying ball 131, to floating or rotating, since the specific gravity of flocculation ball 131 is greater than water, will not float water outlet under the impact of water flow
Face is conducive to avoid deposition and clogging.Microvovtex flocculation zone 130 is suspended using the solid in microvovtex flocculating principles flocculation water flow
Object can be such that flocculation reaction is gradually increased, generate the alumen ustum of high solidity in small volume and equipment without mixing.
In one embodiment, referring to Fig. 5, the settler 200 includes sedimentation basin 210, the 220, second water inlet pipe 230 of capping
With the first mud guard 240, the top of the sedimentation basin 210 is equipped with bung hole, and 220 lid of capping is located at the sedimentation basin 210
Top simultaneously blocks the bung hole, and for second water inlet pipe 230 through the capping 220, one end extends to the sedimentation basin 210
It is connected to outside with first outlet pipe 150, the other end extends in the sedimentation basin 210, and second water inlet pipe 230 includes the
One pipeline section 231 and the second pipeline section 232, second pipeline section 232 is tapered, and the diameter of second pipeline section 232 is greater than and institute
The one end for stating the connection of the first pipeline section 231 is directed away from one end of first pipeline section 231 and becomes larger that (i.e. the second pipeline section 232 is in
It is horn-like), first mud guard 240 be suspended on the one end of second pipeline section 232 far from first pipeline section 231 and with institute
State the end interval of the second pipeline section 232.By setting horn-like for the second pipeline section 232, the caliber become larger can be effective
Ground reduces flow velocity, prevents water velocity excessive and influences sedimentation effect；By the way that first gear mud is arranged in the port of the second pipeline section 232
Plate 240 changes the flow direction of the water of the second water inlet pipe 230, using the first mud guard 240 in order in sedimentation basin 210
Bucket bottom, which is realized, to be separated by solid-liquid separation, and sludge is collected into the lower section of sedimentation basin 210.
Specifically, 210 top of sedimentation basin is cylindrical shape, and lower part is taper.The structure of taper is convenient for sludge settling.
Optionally, the first mud guard 240 close to the second pipeline section 232 one side be evagination curved surface.Preferably, first gear
Mud plate 240 is arc panel, and the extrados of the arc panel is connect by lifting part with the port of the second pipeline section 232, the arc
The intrados of plate is towards the bucket bottom of the sedimentation basin 210.First mud guard 240 of arcuate structure can not only prevent sludgd deposition
It on the first mud guard 240, can also gently disperse the water transported out by the second pipeline section 232, reduce water to sedimentation basin 210
Interior impact improves sedimentation effect.
Certain first mud guard 240 is not limited to arc panel, and the plate of curved-surface structure can also be had for other, for example,
First mud guard 240 is hemisphere panel, and the opening of hemisphere panel is towards the bucket bottom of sedimentation basin 210.
Second gear mud is provided on second water inlet pipe 230 and positioned at the non-end position of second water inlet pipe 230
Plate 250, second mud guard 250 is adjacent to first mud guard 240, second mud guard 250 and the sedimentation basin
210 inner wall interval first distance.Preferably, the inner cross-sectional shape phase of the shape of the second mud guard 250 and sedimentation basin 210
Match, i.e., when the inner cross-sectional shape of sedimentation basin 210 is circle, the shape of the second mud guard 250 is round, and the second mud guard
The inner wall interval of 250 circumference and sedimentation basin 210 is arranged, when the inner cross-sectional shape of sedimentation basin 210 is rectangular or rectangle, the
The shape of two mud guards 250 is direction or rectangle.
The inner wall of the sedimentation basin 210 is provided with third mud guard 260, and the third mud guard 260 is towards the precipitating
The center in pond 210 is arranged diagonally downward, one end of inner wall of the third mud guard 260 far from the sedimentation basin 210 with it is described
Vertical range between the inner wall of sedimentation basin 210 is second distance, and the second distance is greater than the first distance.Further
Side of second mud guard 250 far from first mud guard 240 is arranged in ground, the third mud guard 260.
Preferably, third mud guard 260 is arc panel, and the intrados of the third mud guard 260 is located at third mud guard
260 away from the side of the capping 220.
The settler 200 further includes the second outlet pipe 270 and sludge pipe 280, and it is heavy that one end of sludge pipe 280 extends to
The bucket bottom in shallow lake pond 210, the other end extend to the outside of sedimentation basin 210, and 270 one end of the second outlet pipe is connected to the top of sedimentation basin 210
Portion, the other end extend to the outside of the sedimentation basin 210, for excluding treated clear water.
Optionally, capping 220 includes cover board 221, ring flat-plate 222 and back cover 223, and the cover board 221 is arranged at intervals on precipitating
Above the bung hole in pond 210, ring flat-plate 222 is fixed on cover board 221 close to the side of the bung hole, the inner sidewall and precipitating of ring flat-plate 222
The lateral wall interval in pond 210, ring flat-plate 222 are fixedly installed back cover 223 far from one end of cover board 221, and back cover 223 is far from ring flat-plate
222 one end is connect with the lateral wall of the sedimentation basin 210, and back cover 223 and the bung hole interval are arranged.The capping of this structure
220 can make to overflow and collect in the lateral wall, back cover 223 and ring flat-plate 222 3 of sedimentation basin 210 in the clear water outside sedimentation basin 210
In the catch basin that person is formed, sedimentation effect is further promoted.
In the present embodiment, the second outlet pipe 270 is arranged on the ring flat-plate 222 and is connected to catch basin.
The embodiment of the present invention also provides a kind of method for processing organic wastewater, using organic described in embodiment any one of as above
Waste water treatment system makes the pH value adjustment of organic wastewater to 2~6, and the organic wastewater after making adjusting pH value is by the first water inlet
Pipe 140 is delivered to the bottom of reaction tower 100, and successively passes through ultrasonic pretreatment area 110, iron-carbon micro-electrolysis area from the bottom to top
120 and microvovtex flocculation zone 130 after be delivered to settler 200 through the first outlet pipe 150 again.
Specific processing method is as follows:
Step S100, using hydrochloric acid or sodium hydroxide by the pH value adjustment of organic wastewater to 2~6；
Step S200, the organic wastewater after adjusting pH value is delivered to the tower bottom of reaction tower 100 by the first water inlet pipe 140
Ultrasonic pretreatment area 110 in；
Step S300, start the supersonic generator 112 in ultrasonic pretreatment area 110, make organic wastewater that cavitation occur
Effect makes the fraction pollutant in organic wastewater be changed into CO2And H2O, the major part of organic wastewater are changed into organic matter, empty
Microjet and shock wave with strong impacts can also be generated by changing effect；
Step S400, the organic wastewater after ultrasonication enters back into iron-carbon micro-electrolysis area 120, is changed into organic matter
Organic wastewater is by 121 adsorption-decomposition function of iron carbon filler, and the microjet and shock wave continuous erosion iron carbon filler 121 that ultrasonic wave generates
Surface is formed by ferriferous oxide or flocculate under longtime running, discharges the reactivity site on 121 surface of iron carbon filler, this
When, the reaction of iron-carbon micro-electrolysis area 120 consumes a large amount of H in water+, and a large amount of [OH] is produced, the water that increases that treated
PH value；
Step S500, treated in iron-carbon micro-electrolysis area 120, and water enters back into microvovtex flocculation zone 130, and iron carbon is contained in this water
The Fe generated in microelectrolysis process2+Ion cooperates the flocculation ball 131 in microvovtex flocculation zone 130 to water as good flocculant
In solid suspension carry out flocculation reaction, form the alumen ustum of high solidity；
Step S600, the sewage of microvovtex flocculation zone 130 passes through the first outlet pipe 150 again and the second water inlet pipe 230 is delivered to
It is precipitated in the sedimentation basin 210 of settler 200, realizes mud-water separation under the action of three layers of mud guard, sludge settling exists
The bucket bottom of sedimentation basin 210, clear water slowly rise until overflowing in the bung hole to catch basin of sedimentation basin 210, then pass through the second water outlet
Pipe 270 is discharged, and the sludge at bucket bottom then passes through sludge pipe 280 and is discharged.
Optionally, it can also be passed through in advance in oxidant to ultrasonic pretreatment area 110 in step S300, to ultrasonic wave
Organic wastewater in pretreating zone 110 carries out oxidation processes, improves the ability that organic wastewater is oxidized.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this narrating mode of specification be only be to understand device, those skilled in the art should will say
As a whole, the technical solutions in the embodiments can also be appropriately combined for bright book, and forming those skilled in the art can manage
The other embodiments of solution.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (14)
1. a kind of organic wastewater treating system characterized by comprising
Reaction tower, the reaction tower include the ultrasonic pretreatment area, iron-carbon micro-electrolysis area and microvovtex set gradually from the bottom to top
Flocculation zone, the ultrasonic pretreatment area are provided with the first water inlet pipe, and first water inlet pipe is for having after adjusting pH value
Machine waste water is delivered in the ultrasonic pretreatment area, and ultrasonic wave vibration plate is equipped in the ultrasonic pretreatment area and is surpassed with described
The supersonic generator of sound wave vibration plate connection, filled with iron carbon filler, iron carbon filler surface in the iron-carbon micro-electrolysis area
With catalyst, it is provided with several flocculation balls in the microvovtex flocculation zone, the flocculation ball inner hollow, in the flocculation ball
Flocculation hole is offered, the flocculation hole is connected to the inside of the flocculation ball, and the organic wastewater is from the bottom to top successively by described
Ultrasonic pretreatment area, the iron-carbon micro-electrolysis area and the microvovtex flocculation zone；
Settler, the settler are arranged in the side of the reaction tower, the settler by the first outlet pipe with
The top of the microvovtex flocculation zone is connected to.
2. organic wastewater treating system according to claim 1, which is characterized in that the bottom in the ultrasonic pretreatment area
It is provided with the ultrasonic wave vibration plate with side, each ultrasonic wave vibration plate is connected with the supersonic generator.
3. organic wastewater treating system according to claim 2, which is characterized in that the reaction tower further includes to described super
The delivery device of oxidant is launched in sound wave pretreating zone.
4. organic wastewater treating system according to claim 3, which is characterized in that the oxidant is ozone, the throwing
Putting device includes ozone generator, blower and microvesicle generators, and the ozone generator enters equipped with oxygen or air
Air inlet and exhaust outlet, the exhaust outlet connect the inlet end of the blower by pipeline, and the exhaust end of the blower connects institute
Microvesicle generators are stated, the microvesicle generators are set to the bottom in the ultrasonic pretreatment area, are used for the ozone equably
It is delivered in the ultrasonic pretreatment area.
5. organic wastewater treating system according to claim 4, which is characterized in that the microvesicle generators include supervisor,
Length direction on the supervisor along the supervisor is uniformly placed with multiple gas distribution pipes, and the gas distribution pipe is connected to the supervisor,
Stomata is offered on the gas distribution pipe.
6. organic wastewater treating system according to claim 5, which is characterized in that the gas distribution pipe include the first branch pipe and
Second branch pipe, one end of first branch pipe are connected to the supervisor, and the other end connects one end of second branch pipe, and described the
Another end closure of two branch pipes is arranged, and the diameter of first branch pipe is less than the diameter of second branch pipe.
7. organic wastewater treating system according to claim 3, which is characterized in that the oxidant is hydrogen peroxide, described
Delivery device includes holding vessel, and the holding vessel is connected to by launching pipe with first water inlet pipe, is arranged on the dispensing pipe
There is regulating valve.
8. organic wastewater treating system according to claim 1, which is characterized in that the loadings of the iron carbon filler and institute
The volume ratio for stating reaction tower is 1:2.5；And/or
The specific gravity of the iron carbon filler is 800~1200kg/m3；And/or
The porosity of the iron carbon filler is not less than 65%；And/or
The specific surface area of the iron carbon filler is not less than 1.2m2/g；And/or
The mass ratio of the iron carbon filler is 4~6:1.
9. organic wastewater treating system according to claim 1, which is characterized in that the flocculation ball is ABS plastic flocculation
Ball.
10. organic wastewater treating system according to claim 1, which is characterized in that the settler include sedimentation basin,
Capping, the second water inlet pipe and the first mud guard, the top of the sedimentation basin are equipped with bung hole, and the capping lid is located at the sedimentation basin
Top and block the bung hole, second water inlet pipe runs through the capping, and one end extends to that the sedimentation basin is outer and institute
The connection of the first outlet pipe is stated, the other end extends in the sedimentation basin, and second water inlet pipe includes the first pipeline section and the second pipe
Section, second pipeline section is tapered, and the diameter of second pipeline section is directed away from by the one end connecting with first pipeline section
One end of first pipeline section becomes larger, and first mud guard is suspended on second pipeline section far from first pipeline section
One end and end interval with second pipeline section.
11. organic wastewater treating system according to claim 10, which is characterized in that on second water inlet pipe and be located at
The non-end position of second water inlet pipe is provided with the second mud guard, and second mud guard is adjacent to the first gear mud
Plate, the inner wall interval first distance of second mud guard and the sedimentation basin.
12. organic wastewater treating system according to claim 11, which is characterized in that the inner wall of the sedimentation basin is provided with
Third mud guard, the third mud guard are arranged diagonally downward towards the center of the sedimentation basin, and the third mud guard is separate
Vertical range between one end of the inner wall of the sedimentation basin and the inner wall of the sedimentation basin is second distance, the second distance
Greater than the first distance.
13. organic wastewater treating system according to claim 12, which is characterized in that the third mud guard is arranged in institute
State side of second mud guard far from first mud guard.
14. a kind of method for processing organic wastewater, which is characterized in that using such as the described in any item organic wastes of claim 1 to 13
Water treatment system makes the pH value adjustment of organic wastewater to 2~6, and the organic wastewater after making adjusting pH value is by the first water inlet pipe
It is delivered to the bottom of reaction tower, and successively passes through ultrasonic pretreatment area, iron-carbon micro-electrolysis area and microvovtex flocculation zone from the bottom to top
Settler is delivered to through the first outlet pipe again afterwards.
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