CN104193055B - Light-catalysed reclaimed water reuse device combined by a kind of ultra-filtration membrane - Google Patents
Light-catalysed reclaimed water reuse device combined by a kind of ultra-filtration membrane Download PDFInfo
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- CN104193055B CN104193055B CN201410478804.2A CN201410478804A CN104193055B CN 104193055 B CN104193055 B CN 104193055B CN 201410478804 A CN201410478804 A CN 201410478804A CN 104193055 B CN104193055 B CN 104193055B
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Abstract
Light-catalysed reclaimed water reuse device combined by a kind of ultra-filtration membrane, forms, wherein: the water-in of ultrafiltration membrance filter case connects an intake pump primarily of ultrafiltration membrance filter case and light-catalyzed reaction case; The bottom of ultrafiltration membrance filter case is provided with boring aeration pipe, and the water outlet of ultra-filtration membrane reaction box connects suction filter pump by drinking-water pipe, and suction filter pump connects the drainage spray header of light-catalyzed reaction case by filter pipe; The bottom of light-catalyzed reaction case is water tank, and the bottom of water tank is connected the drainage circulated sprinkling head of light-catalyzed reaction case with drainage circulation tube by drainage recycle pump; The below being positioned at drainage circulated sprinkling head in light-catalyzed reaction case is provided with ultraviolet lamp and sorbent material; The tube outer wall of ultraviolet lamp scribbles photocatalytic coating.The water that the present invention utilizes the secondary effluent of sewage work or reaches similar water quality requirement as water source, reuse after the ultrafiltration membrance filter of pretreatment stage and the photocatalysis treatment of post-processing stages.
Description
Technical field
The present invention relates to a kind of sewage disposal device, the water specifically utilizing the secondary effluent of sewage work or reach similar water quality requirement as water source, the device of reuse after the process of ultra-filtration membrane associating photocatalysis technology.
Background technology
The matter of utmost importance that social development and urbanization cause the water yield and water quality type lack of water to become many big cities, the world today facing.China is one of poor-water state in the world, and water resource of per capita is little, and spatial and temporal distributions is uneven, and new water source leaved for development is distant far from central water supply point, and one-time investment is costly, and water supply capacity promotes difficulty.Middle water be by people at life and the gray water (not containing ight soil and kitchen drainage) use in producing and dirt (giving up) water of living through afflux manipulation of regeneration, as floor cleaning, water flowers, the cooling of carwash, air-conditioning, toilet flushing, fire-fighting etc. not with direct body contact use water.
Treated sewage reusing treatment technology conventional at present mainly comprises biological process, physico-chemical process and membrane separation process, wherein:
Biological process utilizes microbiological oxidation in water to decompose organic method in sewage, but technical process is complicated, and treatment cycle is longer.
Physico-chemical process is the method being integrated as basic mode with coagulating sedimentation technology and charcoal absorption, but working cost is higher.
Membrane separation process generally adopts ultrafiltration (micro-filtration) or reverse osmosis membrane processing, and its advantage is that removal efficiency is very high, and floor space is few, but total investment expenses are high, and the low grade of operational efficiency all effectively cannot meet the demand of current reused water processing process efficient rate.
Summary of the invention
The object of this invention is to provide a kind of ultra-filtration membrane and combine light-catalysed reclaimed water reuse device, to reduce the sludge quantity produced in water treatment, and improved the efficiency of reclaimed water reuse by Photocatalytic Oxidation.
For achieving the above object, light-catalysed reclaimed water reuse device combined by ultra-filtration membrane provided by the invention, forms primarily of ultrafiltration membrance filter case and light-catalyzed reaction case, wherein:
The water-in of ultrafiltration membrance filter case connects an intake pump;
The bottom of ultrafiltration membrance filter case is provided with boring aeration pipe, and this boring aeration pipe connects aeration pump;
The water outlet of ultra-filtration membrane reaction box connects suction filter pump by drinking-water pipe, and suction filter pump connects the drainage spray header of light-catalyzed reaction case by filter pipe;
The bottom of light-catalyzed reaction case is water tank, and the bottom of water tank is connected the drainage circulated sprinkling head of light-catalyzed reaction case with drainage circulation tube by drainage recycle pump;
The below being positioned at drainage circulated sprinkling head in light-catalyzed reaction case is provided with ultraviolet lamp and sorbent material;
The fluorescent tube of ultraviolet lamp is placed in silica tube, and silica tube outer wall scribbles photocatalytic coating.
Described ultra-filtration membrane is combined in light-catalysed reclaimed water reuse device, is provided with hyperfiltration membrane assembly in ultrafiltration membrance filter case, and hyperfiltration membrane assembly is by 0.1 ~ 0.2 μm, aperture, and the polypropylene that Fibre diameter is 430 ~ 480 μm is formed.
Described ultra-filtration membrane is combined in light-catalysed reclaimed water reuse device, is provided with multiple hyperfiltration membrane assembly in ultrafiltration membrance filter case.
Described ultra-filtration membrane is combined in light-catalysed reclaimed water reuse device, and the casing top of ultra-filtration membrane reaction box is provided with water-level probe to keep the water yield in ultra-filtration membrane reaction box.
Described ultra-filtration membrane is combined in light-catalysed reclaimed water reuse device, and light-catalyzed reaction case is made up of multiple photocatalytic reaction unit overlap, and drainage spray header is placed in the photocatalytic reaction unit of the superiors, and drainage circulated sprinkling head is placed in each photocatalytic reaction unit.
Described ultra-filtration membrane is combined in light-catalysed reclaimed water reuse device, and the photocatalytic coating of silica tube outer wall is mesoporous titanium dioxide film.
Described ultra-filtration membrane is combined in light-catalysed reclaimed water reuse device, and the ultraviolet transmittance of silica tube is 85 ~ 90%.
Described ultra-filtration membrane is combined in light-catalysed reclaimed water reuse device, and sorbent material is the mixture of gac and natural zeolite 2:1 by volume.
Described ultra-filtration membrane is combined in light-catalysed reclaimed water reuse device, and water tank is provided with water outlet, automatically overflows reuse water when water tank carries full by water outlet.
Compared with prior art, technical process of the present invention is simple, and mud generation is considerably less, avoids the secondary pollution problem caused because sludge disposal is improper.
Accompanying drawing explanation
Fig. 1 is the structural representation that light-catalysed reclaimed water reuse device combined by ultra-filtration membrane of the present invention.Nomenclature in accompanying drawing:
1 intake pump, 2 aeration pumps, 3 boring aeration pipes, 4 suction filter pump, 5 hyperfiltration membrane assemblies, 6 drinking-water pipes, 7 filter pipes, 8 water inlet pipes, 9 ultra-filtration membrane reaction boxs, 10 water-level probes, 11 light-catalyzed reaction casees, 12 drainage spray headers, 13 drainage circulated sprinkling heads, 14 ultraviolet lamps, 15 drainage circulation tubes, 16 sorbent materials, 17 water outlets, 18 water tanks, 19 drainage recycle pumps.
In figure, arrow direction is water (flow) direction.
Embodiment
Instant invention overcomes prior art mesophytization processing technological flow complicated, long processing period, management maintenance inconvenience, operational efficiency is low, gross investment is comparatively large, effectively can not meet the deficiency of current reused water processing technique, provides a kind of removable, modularization, does not produce the reclaimed water reuse device of secondary pollution.
The present invention solves its technical problem and is achieved through the following technical solutions: the secondary effluent of sewage work or reach carrying out filtration by the intake pump ultra-filtration membrane reaction box pumped to pretreatment stage and reacting of similar water quality standard, has installed aeration pump bottom case.After ultra-filtration membrane is all immersed in reaction box, drainage is evenly sprayed in the light-catalyzed reaction case of post-processing stages, is carried out photochemical catalytic oxidation and absorption reaction by suction filter pump interval suction filtration.
It is good that the present invention has treatment effect, stable, full automatic control, the features such as convenient operation and management, has again sludge quantity few, do not produce secondary pollution, and automatization regulates the advantage of the reclaimed water reuse water yield, can reach the object of energy-saving and emission-reduction.
Hydraulic detention time of the present invention is shorter, greatly shortens the cycle of operation, improves working efficiency.
Below with reference to the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1, light-catalysed reclaimed water reuse device combined by ultra-filtration membrane provided by the invention, is made up of ultrafiltration membrance filter case 9 and light-catalyzed reaction case 11 two portions.The water-in of ultrafiltration membrance filter case 9 connects an intake pump 1.The secondary effluent of water treatment plant or the water reaching similar water quality standard are pumped in the ultra-filtration membrane reaction box 9 of pretreatment stage via intake pump 1 by water inlet pipe 8, are removed in water the suspended matter being greater than 0.1 ~ 0.2 μm by ultrafiltration membrance filter case 9.In order to prevent, water level is too high or too low is provided with water-level probe 10, to keep the water yield of constant range in case on the casing top of ultra-filtration membrane reaction box 9.
Be provided with hyperfiltration membrane assembly 5 in ultrafiltration membrance filter case 9, hyperfiltration membrane assembly 5 is by 0.1 ~ 0.2 μm, aperture, and the polypropylene that Fibre diameter is 430 ~ 480 μm is formed.Ultrafiltration membrance filter case 9 of the present invention can form a unit by multiple hyperfiltration membrane assembly 5, and multiple unit forms a shelf, installs several shelfs according to the day process water yield.
The bottom of ultra-filtration membrane reaction box 9 is provided with the boring aeration pipe 3 be connected with aeration pump 2, to carry out intermittent aeration to ultra-filtration membrane reaction box 9, both can shake off ultra-filtration membrane outer wall suspended matter for reducing ultra-filtration membrane burden, Homogeneous phase mixing can also be carried out to the water quality in ultra-filtration membrane reaction box 9.
After hyperfiltration membrane assembly 5 in ultra-filtration membrane reaction box 9 is all submerged, suction filter pump 4 starts automatically to carry out suction filtration by drinking-water pipe 6 and filter pipe 7, the start and stop of suction filtration can be regulated automatically by Controlling System, drainage is also transferred to the light-catalyzed reaction case 11 of post-processing stages by interval suction filtration, is adsorbed or/and remove the dissolubility pollutant matter such as the organic pollutant that is less than 0.1 ~ 0.2 μm and bacterium by light-catalyzed reaction case 11.
Light-catalyzed reaction case 11 is made up of multiple photocatalytic reaction unit overlap, drainage spray header 12 is placed in the photocatalytic reaction unit of the superiors, be provided with drainage circulated sprinkling head 13 in each photocatalytic reaction unit, the below being positioned at drainage circulated sprinkling head 13 is provided with ultraviolet lamp 14 and sorbent material 16.The tube outer wall of ultraviolet lamp 14 scribbles mesoporous titanium dioxide film as photocatalytic coating, and the ultraviolet transmittance of the fluorescent tube of ultraviolet lamp 14 is 85 ~ 90%, and sorbent material 16 is the mixture of gac and natural zeolite 2:1 by volume.The bottom of light-catalyzed reaction case 11 is water tank 18, and the bottom of water tank 18 is connected the drainage circulated sprinkling head 13 of light-catalyzed reaction case 11 with drainage circulation tube 16 by drainage recycle pump 19, water tank 18 is provided with water outlet 17.
Drainage after being processed by ultra-filtration membrane reaction box 9 is evenly sprayed by drainage spray header 12 and carry out photochemical catalytic oxidation and absorption reaction on ultraviolet lamp 14 and sorbent material 16.In light-catalyzed reaction, the adsorbable pollutant in water of mesoporous titanium dioxide film also makes it oxidative degradation and mineralising by exciting of UV photons, and the sorbent material that gac and natural zeolite form can adsorb and pollution substance of omit under not degradable by light-catalyzed reaction.
Case 18 bottom light-catalyzed reaction case 11 repeats to spray by drainage recycle pump 19 and drainage circulated sprinkling head 13, so that reaches best Effects of Water Quality.Process water overflows reuse water when water tank is expired for 18 years automatically by water outlet 17.
The above is structure of the present invention and operational scheme, is not to do any pro forma restriction to the present invention.Those skilled in the art, when not departing from technical scheme scope of the present invention, utilize variation possible done by the apparatus and method of above-mentioned announcement and amendment, all belong to the scope of the claims in the present invention protection.
Claims (7)
1. a light-catalysed reclaimed water reuse device combined by ultra-filtration membrane, forms primarily of ultrafiltration membrance filter case and light-catalyzed reaction case, wherein:
The water-in of ultrafiltration membrance filter case connects an intake pump;
The bottom of ultrafiltration membrance filter case is provided with boring aeration pipe, and this boring aeration pipe connects aeration pump;
The water outlet of ultra-filtration membrane reaction box connects suction filter pump by drinking-water pipe, and suction filter pump connects the drainage spray header of light-catalyzed reaction case by filter pipe; Light-catalyzed reaction case is made up of multiple photocatalytic reaction unit overlap, and drainage spray header is placed in the photocatalytic reaction unit of the superiors, and drainage circulated sprinkling head is placed in each photocatalytic reaction unit;
The bottom of light-catalyzed reaction case is water tank, and the bottom of water tank is connected the drainage circulated sprinkling head of light-catalyzed reaction case with drainage circulation tube by drainage recycle pump;
The below being positioned at drainage circulated sprinkling head in light-catalyzed reaction case is provided with ultraviolet lamp and sorbent material;
The fluorescent tube of ultraviolet lamp is placed in silica tube, and silica tube outer wall scribbles photocatalytic coating;
Water tank is provided with water outlet, automatically overflows reuse water when water tank carries full by water outlet.
2. light-catalysed reclaimed water reuse device combined by ultra-filtration membrane according to claim 1, wherein, is provided with hyperfiltration membrane assembly in ultrafiltration membrance filter case, and hyperfiltration membrane assembly is by 0.1 ~ 0.2 μm, aperture, and the polypropylene that Fibre diameter is 430 ~ 480 μm is formed.
3. according to claim 1 or 2, light-catalysed reclaimed water reuse device combined by ultra-filtration membrane, wherein, is provided with multiple hyperfiltration membrane assembly in ultrafiltration membrance filter case.
4. light-catalysed reclaimed water reuse device combined by ultra-filtration membrane according to claim 1, and wherein, the casing top of ultra-filtration membrane reaction box is provided with water-level probe to keep the water yield in ultra-filtration membrane reaction box.
5. light-catalysed reclaimed water reuse device combined by ultra-filtration membrane according to claim 1, and wherein, the photocatalytic coating of silica tube outer wall is mesoporous titanium dioxide film.
6. according to claim 1 or 5, light-catalysed reclaimed water reuse device combined by ultra-filtration membrane, and wherein, the ultraviolet transmittance of silica tube is 85 ~ 90%.
7. light-catalysed reclaimed water reuse device combined by ultra-filtration membrane according to claim 1, wherein, sorbent material be gac and natural zeolite by volume 2: 1 mixture.
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| CN104193055B true CN104193055B (en) | 2016-04-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106990202A (en) * | 2017-05-02 | 2017-07-28 | 浙江理工大学 | The evaluating apparatus and evaluation method of a kind of visible optical drive catalysis material water treatmenting performance |
| CN107101965A (en) * | 2017-05-02 | 2017-08-29 | 浙江理工大学 | The evaluating apparatus and evaluation method of a kind of ultraviolet optical drive catalysis material water treatmenting performance |
| CN107064407A (en) * | 2017-05-02 | 2017-08-18 | 浙江理工大学 | The device and method of catalysis material water treatmenting performance under a kind of Simulation sun optical drive |
| CN107024562A (en) * | 2017-05-02 | 2017-08-08 | 浙江理工大学 | A kind of device and method for evaluating catalysis material water treatmenting performance under visible optical drive |
| CN107024561A (en) * | 2017-05-02 | 2017-08-08 | 浙江理工大学 | The evaluating apparatus and evaluation method of a kind of simulated solar optical drive catalysis material water treatmenting performance |
| CN110294570A (en) * | 2019-06-28 | 2019-10-01 | 浙江水艺环境科技有限公司 | A kind of novel pretreatment membrane bioreactor and its application method |
| CN111592162B (en) * | 2020-05-27 | 2021-05-04 | 山东膜源水净化科技股份有限公司 | Water treatment ultrafiltration membrane component |
| CN113636721B (en) * | 2021-08-12 | 2023-09-15 | 河南工业大学 | Device and method for treating secondary effluent of sewage plant |
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| JP4298603B2 (en) * | 2004-07-20 | 2009-07-22 | 小松電子株式会社 | TOC component removal apparatus and TOC component removal method |
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Patent Citations (4)
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| CN1721335A (en) * | 2004-07-15 | 2006-01-18 | 北京航空航天大学 | Photo-catalytic water purification post |
| CN201686576U (en) * | 2010-01-19 | 2010-12-29 | 广州市昇华机械制造有限公司 | Sewage treatment device |
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