CN101468860A - Advanced purification treatment system for organic wastewater - Google Patents
Advanced purification treatment system for organic wastewater Download PDFInfo
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- CN101468860A CN101468860A CNA2007103045381A CN200710304538A CN101468860A CN 101468860 A CN101468860 A CN 101468860A CN A2007103045381 A CNA2007103045381 A CN A2007103045381A CN 200710304538 A CN200710304538 A CN 200710304538A CN 101468860 A CN101468860 A CN 101468860A
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Abstract
The invention relates to a deep purification treatment system for organic wastewater. The system comprises a high-efficiency oxidation pool, an aerobic biological filter tank and an oblique plate precipitation pool which are sequentially connected; at least one pump is positioned on a pipeline at the water outlet end of the high-efficiency oxidation pool; the inside of the high-efficiency oxidation pool is provided with an upper transverse clapboard and a lower transverse clapboard for dividing the space of a tank into a middle part, an upper part and a lower part; the upper clapboard and the lower clapboard are orifice plates, wherein the upper clapboard is a small orifice plate; the lower clapboard is a large orifice plate; the middle part of the space in a tank body is a fluidized bed chamber; the lower part is a mixing chamber; the upper part is a steady flow chamber; the fluidized bed treatment chamber is provided with a plurality of ultraviolet lamps; the insides of the ultraviolet lamps are filled with photocatalyst particles; the surfaces of the photocatalyst particles are distributed with photocatalyst; and the tank body is also provided with an ozone inlet pipe. The deep purification treatment system adopts reasonable treatment technology, ensures that the treated water has enough high purification degree, also ensures relatively small cost and relatively lower treatment cost and is mainly used for deep purification treatment of organic wastewater; and outlet water can be used as industrial water and the like.
Description
Technical field
The present invention relates to a kind of advanced purification treatment system for organic wastewater, be mainly used in for being further processed, to satisfy the requirement that recycles through the organic waste water after the wastewater treatment.
Background technology
The purpose of present wastewater treatment is a qualified discharge, therefore it is limited that it handles the degree of depth, water after the processing still contains certain pollutent, for the waste water that contains organic water, present processing mode mainly is to adopt various anaerobism, the combination of aerobic and anoxybiotic biochemical processing process, through after the biochemical treatment organism wherein being converted into mud and forms such as carbonic acid gas and water, organism in these discharge waters that remain in is compared with the organism before handling, often concentrated the organism of difficulty or ease biochemical treatments, these organism are exactly to pass through above-mentioned biochemical treatment again, its decontamination effect improving is also limited, therefore, the pollutent in the water to be further reduced, other more efficiently modes must be adopted.
Existing water technology mainly develops to both direction, a kind of is processing for the higher waste water of pollutant load, this processing mode mainly is a biochemical process, comprise the biochemical treatment of various anaerobism, aerobic and anoxic microorganism, water after the processing can arrive the wastewater discharge standard of country, it is less to the influence of environment that this standard sign these water, generally problem of environmental pollution can not take place after being held by environment, but the water of this standard generally can only be as purposes not high to water quality requirement such as pouring water, landscape waters; Another direction is the water of high purification, major technique is that film is handled, water purity after the processing is higher, seldom contain organism and microorganism, its purposes in life mainly is directly to drink, and in the industrial water occasion that can be used for the contour purity requirement of pharmacy, but its processing cost is very high, therefore to produce the middle water that meets the general industry purposes, just need a kind of effective, purification techniques that cost is suitable of exploitation.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of advanced purification treatment system for organic wastewater, this system adopts rational treatment technology, and the water after promptly guaranteeing to handle has sufficiently high degree of purification, can guarantee that again cost is little relatively, processing cost is relatively low.
Technical scheme of the present invention is: a kind of advanced purification treatment system for organic wastewater, comprise the efficient oxidation pond, aerobic biofilter and inclined-plate clarifying basin, described efficient oxidation pond, aerobic biofilter links to each other successively with inclined-plate clarifying basin, can be provided with pump on its connecting tube, being provided with up and down in the described efficient oxidation pond, two horizontal dividing plates are the middle part with space segmentation in the jar, the upper and lower, the described lower clapboard of going up is orifice plate, wherein last plate is the aperture orifice plate, lower clapboard is the macropore orifice plate, the spatial middle part is a fluid-bed chamber in the described tank body, the bottom is a mixing section, top is plenum chamber, described fluidized bed processing chamber is provided with some ultra-violet lamps, in photocatalyst granular is housed, the surface of described photocatalyst granular is furnished with photocatalyst, the water inlet pipe in this efficient oxidation pond connects and described mixing section, its bearing of trend is that the rising pipe in this efficient oxidation pond is connected in described plenum chamber along oblique or tangential, and its bearing of trend is for radially.
Working process of the present invention is: adopt the dual function of ozone and photochemical catalytic oxidation that the organic pollutant in the water is handled by aerobic biofilter, its mechanism of action is different with biological treatment, therefore in biological treatment process the organism of residual difficulty or ease bio-absorbable and degraded under the mode of action of this dual oxidation, can be oxidized to harmless products such as carbonic acid gas and water, part is not by the organic substance of exhaustive oxidation, owing to be subjected to the dual function of photochemical catalytic oxidation and ozone oxidation, its molecular structure obtains changing, can biochemical improve, therefore in follow-up aerobic biofilter, to be decomposed by aerobe, entering efficiently then, inclined-plate clarifying basin carries out rapid precipitation, water is effectively purified, can reduce organic content significantly.The efficient oxidation pond is the main treating plant of native system, adopted the dual oxidation of photochemical catalytic oxidation and ozone oxidation simultaneously, water enters in the jar from the bottom of jar, form eddy flow at mixing section, and with ozonizer in the ozone thorough mixing that enters, hole through lower clapboard after the mixing enters fluid-bed chamber, with the photocatalyst granular in the fluid-bed chamber to upper punch, form suspended state, macropore is adopted in hole on the orifice plate, so that the current in fluid-bed chamber form certain vortex up and down, rely on these vortexs to strengthen mixed effect, improve oxidizing reaction speed, described ultraviolet lamp is constantly shining the photocatalyst granular in the fluidized-bed, to keep its activity, and the photocatalyst granular in the fluidized-bed is constantly moving up and down, make all photocatalyst granulars can receive the irradiation of UV-light, so that all photocatalyst granulars can be played one's part to the full, the hole of upper spacer is an aperture, water is all even racemizations through these holes, form stable current, the tiny photocatalyst granular natural subsidence of wherein carrying is got off, water after the processing enters the charcoal adsorber, make the organism and the peculiar smell goods and materials that remain in the water be attracted on the activated carbon granule, realized the purification of the degree of depth thus, made draining reach the standard of water coolant and other process waters.
The main mechanism of action in efficient oxidation pond is among the present invention: in the ozone enhanced photocatalysis device, the oxidized degraded under multiple Degradation of pollutent in the water also partly is converted into carbonic acid gas and water, and these effects comprise photocatalytic oxidation, ozone oxidation effect, ozone/ultraviolet oxygenizement and the auxiliary photocatalysis of ozone etc.In photocatalytic process, add a spot of ozone and can improve the speed of photocatalysis degradation organic contaminant widely, thereby reduce the time of photocatalysis treatment significantly, significantly reduce light-catalysed cost; And ozone is under the effect of UV-light and photocatalyst, and the mass transfer in water is accelerated, and utilization ratio improves, and the concentration of ozone reduces in the tail gas, reduces the harm of ozone gas.So in the treating processes of ozone enhanced photocatalysis, organic pollutant can be degraded or remove more, the biodegradable performance of organic pollutant also is significantly improved simultaneously, is beneficial to later further processing.For also carrying out under the situation of biochemical treatment in the ozone enhanced photocatalysis back, and do not require that ozone enhanced photocatalysis will degrade pollutent fully, and only require organic pollutant is converted into the material that is degraded by microorganisms easily, pollutent after the conversion is removed by follow-up biochemical treatment facility, so can reduce the treatment time of ozone enhanced photocatalysis widely.Because the cost of general biochemical treatment facility is well below the processing cost of independent photochemical catalysis or ozone enhanced photocatalysis, so can greatly reduce the cost of water treatment.
The invention has the beneficial effects as follows: various processes cooperates rationally, device structure is simple, meet the water of wastewater discharge standard is done further purifying treatment, particularly the current of photochemical catalytic oxidation device are reasonable, good mixing effect, the photocatalyst activity height, help providing the speed of response and the oxidation effectiveness of catalyzed oxidation, improve the water purification degree, in addition, also owing in the photochemical catalytic oxidation process, add small amount of ozone, can improve organic removal speed widely, shorten the light-catalysed treatment time greatly, 1/tens to 1/10th of the energy consumption of the lamp that the required energy consumption of interpolation ozone is only saved to some extent, so add a spot of ozone, greatly reduced processing cost; And ozone utilising efficiency under the effect of UV-light and photocatalyst improves.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Referring to Fig. 1, the invention provides a kind of advanced purification treatment system for organic wastewater, comprise efficient oxidation pond 100, aerobic biofilter 200 and inclined-plate clarifying basin 300, described efficient oxidation pond, link to each other successively with inclined-plate clarifying basin with aerobic biofilter, can be provided with pump 500 on its connecting tube, wherein at least one pump is positioned at the water side in described efficient oxidation pond, be provided with two horizontal dividing plates 106 up and down in the described efficient oxidation pond, 103 is the middle part with space segmentation in the jar, the upper and lower, the described lower clapboard of going up is orifice plate, wherein last plate is the aperture orifice plate, lower clapboard is the macropore orifice plate, the spatial middle part is a fluid-bed chamber 102 in the described tank body, the bottom is a mixing section 104, top is plenum chamber 101, described fluidized bed processing chamber is provided with some ultra-violet lamps 105, in photocatalyst granular 109 is housed, the surface of described photocatalyst granular is furnished with photocatalyst, the water inlet pipe 108 in this efficient oxidation pond connects and described mixing section, its bearing of trend is along oblique or tangential, the rising pipe in this efficient oxidation pond is connected in described plenum chamber, its bearing of trend is for radially, described tank body also is provided with into ozonizer, described to advance ozonizer can be independent setting, also can be to adopt same pipe with described water inlet pipe.
Be provided with the biofilter material 201 of suspension in the described aerobic biofilter, be attached with active bio mud on the described filtrate, this suspension filtrate can be the filtrate of the various structures made of plastics, it also can be the flexible materials that is hanging, higher biological density can be provided, and help reducing resistance, help the renewal of mud so that keep enough biological activitys.
The biofilter material of described suspension is distributed in the stage casing of described aerobic biofilter, and it is respectively equipped with corresponding orifice plate 203 up and down as all pressing homogenizing plate, aerator 202 is installed on being positioned at the bottom of the pond below the orifice plate of below, to provide aerobic biochemical required air.
Be provided with swash plate 301 in the middle of the described inclined-plate clarifying basin, the above and below of swash plate is provided with swash plate support 303,302, and the swash plate below is provided with a sludge settling chamber, slides next mud so that compile from swash plate.
The housing and the last lower clapboard in described efficient oxidation pond generally adopt metal construction, also can adopt other materials to make according to actual needs, for example glass-reinforced plastic material etc.
Garden jar (section is circular) generally should be adopted in described efficient oxidation pond, helps avoiding the dead angle like this.
Described upper spacer generally adopts aperture, realizes all pressing and the purpose of current stabilization.
Described lower clapboard generally can adopt macropore, so that in the certain limit above this dividing plate, section flow velocity everywhere is inhomogeneous, form the relative eddy flow of above-below direction, these eddy flows help improving the fluid effect of fluidized-bed, and photocatalyst granular is constantly shifted one's position, make all photocatalyst granulars all can receive the irradiation of UV-light.
The bearing of trend of described ultraviolet lamp tube generally should be above-below direction, is preferably mounted on jar inwall, helps forming protection like this, reduces the shell wearing and tearing, and helps realizing sealing.
Described ultraviolet lamp tube outside can be with silica tube, to form the protection to ultraviolet lamp tube.
Describedly advancing that ozonizer can independently be provided with, also can be to adopt same pipe with described water inlet pipe, and two imports promptly are set on same pipe, and one is used to into water, and one is used to into ozone.
According to the output form of ozonizer, described ozone can be gas, also can be dissolved in the water, and described ozonizer connects the ozone gas output tube of ozonizer or is dissolved with the water delivery pipe of ozone.
The photochemical catalytic oxidation that the present invention adopts is the darker water technology of a kind of degree of purification, organic pollutant that can the oxidation overwhelming majority, alkane for example, Fatty Alcohol(C12-C14 and C12-C18), lipid acid, alkene, phenol, organic acid, aromatic hydrocarbons, dyestuff, polychlorobiphenyl, tensio-active agent, the agrochemical all contaminations, the occasion of having relatively high expectations for the water outlet degree of purification, for the water source that is subjected to organic contamination to a certain degree, only rely on filtration treatment or aerobic biochemical to handle, organic pollutant wherein still can not reach the set quota, handle for deep purifying in this case, people often adopt methods such as membrane filter method to handle, because the treatment capacity of these treatment processs is less relatively, processing cost is subjected to certain restriction than higher in fairly large water treatment.Because the underwater micro-organic matter pollution problems is more and more outstanding, as disinfection byproduct (DBP) in the micro-natural organic matter that exists in the drinking water source and various poisonous and hazardous artificial synthetic organic materials, the tap water and the trace endocrine disrupter and the persistent organism that may exist, the insecurity that also runs into some micro quantity organic pollutants in the reusing sewage and constituted, of the present invention have a certain application prospect.
Claims (10)
1. advanced purification treatment system for organic wastewater, it is characterized in that comprising the efficient oxidation pond, aerobic biofilter and inclined-plate clarifying basin, described efficient oxidation pond, link to each other successively with inclined-plate clarifying basin with aerobic biofilter, at least one pump is positioned on the water side pipeline in described efficient oxidation pond, being provided with up and down in the described efficient oxidation pond, two horizontal dividing plates are the middle part with space segmentation in the jar, the upper and lower, the described lower clapboard of going up is orifice plate, the spatial middle part is a fluid-bed chamber in the described tank body, the bottom is a mixing section, top is plenum chamber, described fluidized bed processing chamber is provided with some ultra-violet lamps, in photocatalyst granular is housed, the surface of described photocatalyst granular is furnished with photocatalyst, the water inlet pipe in this efficient oxidation pond connects and described mixing section, and its bearing of trend is that the rising pipe in this efficient oxidation pond is connected in described plenum chamber along oblique or tangential, its bearing of trend is for radially, and described tank body also is provided with into ozonizer.
2. advanced purification treatment system for organic wastewater as claimed in claim 1, it is characterized in that being provided with in the described aerobic biofilter biofilter material of suspension, the biofilter material of described suspension is distributed in the stage casing of described aerobic biofilter, it is respectively equipped with corresponding orifice plate up and down as all pressing homogenizing plate, aerator is installed on being positioned at the bottom of the pond below the orifice plate of below.
3. advanced purification treatment system for organic wastewater as claimed in claim 2 is characterized in that being provided with swash plate in the middle of the described inclined-plate clarifying basin, and the above and below of swash plate is provided with the swash plate support, and the swash plate below is provided with a sludge settling chamber.
4. as claim 1,2 or 3 described advanced purification treatment system for organic wastewater, it is characterized in that described upper spacer is the aperture orifice plate, described lower clapboard is the macropore orifice plate.
5. advanced purification treatment system for organic wastewater as claimed in claim 4, the bearing of trend that it is characterized in that described ultraviolet lamp tube is an above-below direction
6. advanced purification treatment system for organic wastewater as claimed in claim 5 is characterized in that described ultraviolet lamp is installed on jar inwall.
7. advanced purification treatment system for organic wastewater as claimed in claim 6 is characterized in that described ultraviolet lamp tube outside is with silica tube.
8. advanced purification treatment system for organic wastewater as claimed in claim 7 is characterized in that describedly advancing ozonizer and independently being provided with.
9. advanced purification treatment system for organic wastewater as claimed in claim 8 is characterized in that described ozonizer and described water inlet pipe adopt same pipe.
10. advanced purification treatment system for organic wastewater as claimed in claim 9 is characterized in that described ozonizer connects the ozone gas output tube of ozonizer or is dissolved with the water delivery pipe of ozone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103045381A CN101468860A (en) | 2007-12-28 | 2007-12-28 | Advanced purification treatment system for organic wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103045381A CN101468860A (en) | 2007-12-28 | 2007-12-28 | Advanced purification treatment system for organic wastewater |
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| CN101468860A true CN101468860A (en) | 2009-07-01 |
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| CNA2007103045381A Pending CN101468860A (en) | 2007-12-28 | 2007-12-28 | Advanced purification treatment system for organic wastewater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442749A (en) * | 2011-10-28 | 2012-05-09 | 上海理工大学 | Baffled device for treating photobiological sewage |
| CN106430706A (en) * | 2016-09-29 | 2017-02-22 | 黄敬超 | Muddy water separator used for town and country construction and technology thereof |
| CN109534620A (en) * | 2019-01-03 | 2019-03-29 | 清华大学 | Catalytic ozonation and aerated biological activated carbon filter tank sewage water advanced treatment apparatus |
-
2007
- 2007-12-28 CN CNA2007103045381A patent/CN101468860A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442749A (en) * | 2011-10-28 | 2012-05-09 | 上海理工大学 | Baffled device for treating photobiological sewage |
| CN106430706A (en) * | 2016-09-29 | 2017-02-22 | 黄敬超 | Muddy water separator used for town and country construction and technology thereof |
| CN109534620A (en) * | 2019-01-03 | 2019-03-29 | 清华大学 | Catalytic ozonation and aerated biological activated carbon filter tank sewage water advanced treatment apparatus |
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Open date: 20090701 |