CN104556590A - Environmental-friendly sewage treatment device and sewage treatment method thereof - Google Patents
Environmental-friendly sewage treatment device and sewage treatment method thereof Download PDFInfo
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- CN104556590A CN104556590A CN201510048832.5A CN201510048832A CN104556590A CN 104556590 A CN104556590 A CN 104556590A CN 201510048832 A CN201510048832 A CN 201510048832A CN 104556590 A CN104556590 A CN 104556590A
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- 239000010865 sewage Substances 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 144
- 239000012528 membrane Substances 0.000 claims abstract description 122
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 230000003647 oxidation Effects 0.000 claims abstract description 16
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 16
- 230000001699 photocatalysis Effects 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims description 37
- 238000003911 water pollution Methods 0.000 claims description 23
- 230000015556 catabolic process Effects 0.000 claims description 8
- 230000003197 catalytic effect Effects 0.000 claims description 8
- 238000006731 degradation reaction Methods 0.000 claims description 8
- 238000007146 photocatalysis Methods 0.000 claims description 8
- 238000006555 catalytic reaction Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000012806 monitoring device Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- 238000001471 micro-filtration Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000012668 chain scission Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/15—N03-N
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Abstract
The invention relates to an environmental-friendly sewage treatment device and a sewage treatment method. The environmental-friendly sewage treatment device comprises a water quality monitoring device, a membrane separation device and a photocatalytic oxidation device. A proper sewage treatment device can be selected according to different inlet sewage quality, so that the used energy consumption and cost of the device are reduced, and the service life of a separating membrane is prolonged.
Description
Technical field
The invention belongs to environmental technology field, relate to a kind of environment protection sewage treatment unit and sewage water treatment method.
Background technology
China is the country of shortage of water resources, the cycling and reutilization of water resources is a very promising cause, namely the cycling and reutilization of water resources is that sewage and industrial sewage are carried out purifying treatment, makes it the object reaching recycling, can save a large amount of water resourcess.Along with China's rapid development of economy, China's quantity of wastewater effluent rises year by year, comprising sanitary sewage, industrial sewage etc.If arbitrarily discharged, will the pollution of body of groundwater be caused, and cause eutrophication, and therefore in the urgent need to a kind of apparatus and method rapidly and efficiently, make this waste water reach the requirement of integrated wastewater discharge standard.
Membrane bioreactor (
mBR)refer to a kind of new sewage and waste water treatment device super, microfiltration membrane isolation technique combined with the bio-reactor in sewage disposal, membrane separation assemblies is directly immersed in reactor by it, aspirates water outlet by pump.This reactor combines the advantage that membrane technology and biologic treating technique bring.Super, micro-filtration membrane module, as mud-water separation unit, instead of second pond.Super, microfiltration membrane to retain in active sludge intermixture microorganism flco and comparatively larger molecular organics, make it to rest in reactor, make to obtain high biological concentration in reactor, and extend the organic solid residence time, drastically increase microorganism to organic oxidation ratio.Meanwhile, after super, microfiltration membrane process, effluent quality is high, can directly as Treated sewage reusing.Excess sludge that system is arranged is few, and has higher impact resistance.
Photocatalytic oxidation is method ultraviolet radiation (UV) and oxygenant are combined.It utilizes ultraviolet excitation nano titanium oxide (TiO
2) semiconductor catalyst, the electron absorption luminous energy in semi-conductor valence band is excited on conduction band, makes on conduction band, produce electronegative highly active electronics, the hole of generating strap positive charge in valence band, forms oxidation-reduction system.By broken chain scission of link, oxidize the contaminants into as carbonic acid gas, water, moieties is directly mineralized into salt, and can not produce secondary pollution.
201210527844.2 patent of invention propose the inner circulation reactor of a kind of concentrated photochemical catalysis and MBR, by arranging two groups of different application functional membrane assemblies in device, one group is photochemical catalytic oxidation internal recycling, another group produces water for actual, photochemical catalytic oxidation and biological degradation are acted synergistically, hard-degraded substance is fully degraded, improves wastewater degradation efficiency, and run control automatically.But in the sewage disposal of reality, the pollution level of sewage is different, for the sewage that pollution level is lower, the degree of purification of multiple membrane bioreactor and photocatalytic oxidation device improves limited, and multiple membrane bioreactor uses may have high energy consumption, high cost simultaneously, membrane bioreactor uses for a long time and causes fouling membrane, reduces purifying property.
Summary of the invention
As one aspect of the present invention, provide a kind of environment protection sewage treatment unit, comprise intake pump, the first reactor, recycle pump, the second reactor, blower fan and go out water pump, described intake pump is used for sewage to import described first reactor; Described first reactor is biochemical reactor, comprise setting the first membrane module in the inner and the second membrane module, described first membrane module is photochemical catalysis circulation membrane module, described first membrane module is connected with the second reactor by recycle pump, the water side of described second membrane module with described go out water pump be connected; Described recycle pump is used for the generation of the first membrane module to be pumped into described second reactor; Described second reactor is photo catalysis reactor, and the water side of described second reactor is connected with the first reactor; Described go out water pump export for the water that will be disposed; Also comprise water quality monitoring (WQM) element.
Preferably, in such scheme, in described photo catalysis reactor, be provided with ultraviolet lamp tube.
As one aspect of the present invention, a kind of environment protection sewage treatment unit is provided, comprise water quality monitoring (WQM) element, intake pump, the first reactor, recycle pump, the second reactor, blower fan and go out water pump, before described water quality monitoring (WQM) element is arranged at described intake pump, for monitoring the water quality of sewage; Described intake pump is used for sewage to import described first reactor; Described first reactor comprises setting the first membrane module in the inner and the second membrane module, described first membrane module is photochemical catalysis circulation membrane module, described first membrane module is connected with the second reactor by recycle pump, the water side of described second membrane module with described go out water pump be connected; Described recycle pump is used for the generation of the first membrane module to be pumped into described second reactor; Described second reactor is photo catalysis reactor, and the water side of described second reactor is connected with the first reactor; Described go out water pump export for the water that will be disposed; It is characterized in that: the water side of described second reactor by the first valve also with described go out water pump be connected, and described second reactor water side and the first reactor connected component are provided with the second valve, described second membrane module with described go out water pump be connected by the 3rd valve; When the water pollution degree of described sewage exceedes specific threshold, described first valve closes, described second valve open, the 3rd valve open; When the water pollution degree of described sewage is lower than specific threshold, described second valve closes, described first valve opening, the 3rd valve closes.
Preferably, in such scheme, also comprise controller, described controller receives the monitoring information of described water quality monitoring (WQM) element, and controls the switch of the first valve, the second valve and the 3rd valve according to this monitoring information.
Preferably, in such scheme, described monitoring information comprises COD, BOD and the ammonia-nitrogen content information of sewage.
Preferably, in such scheme, also comprise the removable separation dividing plate be arranged between the first membrane module and the second membrane module, the water outlet of described intake pump is arranged between described first membrane module and described separation dividing plate; When the water pollution degree of described sewage exceedes specific threshold, described separation dividing plate opened by described controller, makes can communicate between described first membrane module and the second membrane module; When the water pollution degree of described sewage is lower than specific threshold, described controller cuts out described separation dividing plate, makes between described first membrane module and described second membrane module separated from each other.
Preferably, in such scheme, also comprise the blower fan of air feed in the first reactor.
Preferably, in such scheme, in such scheme, described blower fan has multiple air outlet, and the air outlet wherein blowing to the second reactor area is provided with valve, when the water pollution degree of described sewage is lower than specific threshold, and the valve closes of described air outlet.
As another aspect of the present invention, a kind of sewage water treatment method of above-mentioned environment protection sewage treatment unit is provided, comprise the steps: that described water quality monitoring (WQM) element is monitored disposing of sewage, a () is when the water pollution degree of described sewage exceedes specific threshold, close the first valve, open the second valve, and open described separation dividing plate, make can communicate between described first membrane module and the second membrane module, described sewage carries out biological degradation through entering the first reactor, first membrane module is as the product moisture film assembly of internal recycle, water is produced to the second reactor by recycle pump, product water after second reactor carries out photochemical catalytic oxidation gets back to the first reactor, product water is arranged outward by producing water pump by the second membrane module, b () is when the water pollution degree of described sewage is lower than specific threshold, close the second valve, open the first valve, and close described separation dividing plate, make between described first membrane module and described second membrane module separated from each other, described sewage carries out biological degradation through entering the first reactor, produces water and arrives the second reactor by recycle pump, and the product water after the second reactor carries out photochemical catalytic oxidation is arranged outward by producing water pump.
As another aspect of the present invention, a kind of environment protection sewage treatment unit is provided, comprise water quality monitoring (WQM) element, intake pump, the first reactor, recycle pump, the second reactor, blower fan and go out water pump, before described water quality monitoring (WQM) element is arranged at described intake pump, for monitoring the water quality of sewage; Described intake pump is used for sewage to import described first reactor; Described first reactor comprises setting the first membrane module in the inner and the second membrane module, described first membrane module is photochemical catalysis circulation membrane module, described first membrane module is connected with the second reactor by recycle pump, the water side of described second membrane module with described go out water pump be connected; Described recycle pump is used for the generation of the first membrane module to be pumped into described second reactor; Described second reactor is photo catalysis reactor, and the water side of described second reactor is connected with the first reactor; Described go out water pump export for the water that will be disposed; It is characterized in that: described first membrane module water side be connected by valve between described recycle pump, the water side of described first membrane module also by valve with described go out water pump be connected.
Preferably, in such scheme, described monitoring information comprises monitoring organic compounds.
Preferably, in such scheme, when the organic concentration monitored is lower than specific threshold, close described first membrane module the valve of water side between described recycle pump, open described first membrane module water side and described go out valve between water pump; When the organic concentration monitored is higher than specific threshold, open described first membrane module the valve of water side between described recycle pump, close described first membrane module water side and described go out valve between water pump.
Preferably, in such scheme, also comprise the removable separation dividing plate be arranged between the first membrane module and the second membrane module, the water outlet of described intake pump is arranged between described first membrane module and described separation dividing plate; When the water pollution degree of described sewage exceedes specific threshold, described separation dividing plate opened by described controller, makes can communicate between described first membrane module and the second membrane module; When the water pollution degree of described sewage is lower than specific threshold, described controller cuts out described separation dividing plate, makes between described first membrane module and described second membrane module separated from each other.
Preferably, in such scheme, also comprise the blower fan of air feed in the first reactor.
Preferably, in such scheme, in such scheme, described blower fan has multiple air outlet, and the air outlet wherein blowing to the second reactor area is provided with valve, when the water pollution degree of described sewage is lower than specific threshold, and the valve closes of described air outlet.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of one embodiment of the present of invention.
Fig. 2 is the schematic diagram of another one embodiment of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
See the one embodiment of the present of invention shown in Fig. 1, environment protection sewage treatment unit of the present invention, comprises water quality monitoring (WQM) element 15, intake pump 6, first reactor 12, recycle pump 3, second reactor 11, blower fan 7 and goes out water pump 9.Before water quality monitoring (WQM) element 15 is arranged at described intake pump, for monitoring the water quality of sewage, water quality monitoring (WQM) element 15 can use existing water monitoring device, for measuring COD, BOD in sewage, nitrogen oxygen level or organic content etc., the monitoring information of water quality monitoring (WQM) element 14 sends controller to.Intake pump 6 is for importing the first reactor 12 by sewage.First reactor 12 comprises setting the first membrane module 13 and the second membrane module 14 in the inner, first membrane module 13 is the membrane module producing water in cyclic oxidation, be connected with the second reactor 11 by recycle pump 3, second membrane module 14 is that system produces water assembly, its water side by the 3rd valve 17 with go out water pump 9 and be connected.Recycle pump 3 is for delivering to the second reactor 11 by the product water pump of the first membrane module 13.Second reactor 11 is photo catalysis reactor, arranges UV-light light 1, and throw in hydrogen peroxide for catalyzed oxidation by hydrogen peroxide throwing device 10 in it.The water side of the second reactor 11 by the first valve 16 with go out water pump and be connected, and to be connected with the first reactor 12 by the second valve 18.Go out water pump 9 to export for the water that will be disposed.Controller is according to the water quality information of monitoring, and control the switch of the first valve 16, second valve 18 and the 3rd valve 17, when the water pollution degree of sewage exceedes specific threshold, the first valve 16 is closed, and the second valve 18 is opened, and the 3rd valve 17 is opened; When the water pollution degree of described sewage is lower than specific threshold, the second valve 18 is closed, and the first valve 16 is opened, and the 3rd valve 17 is closed.Waste disposal plant also comprises the removable separation dividing plate 19 be arranged between the first membrane module 13 and the second membrane module 14, and the water outlet of intake pump 6 is arranged on the first membrane module 13 and is separated between dividing plate 19; When the water pollution degree of entrance sewage exceedes specific threshold, controller is opened and is separated dividing plate 19, makes can communicate between the first membrane module 13 and the second membrane module 14, at this moment uses membrane module 13, second reactor 11 and membrane module 14; When the water pollution degree of described sewage is lower than specific threshold, controller cuts out and is separated dividing plate 19, makes between the first membrane module 13 and the second membrane module 14 separated from each other, at this moment only uses membrane module 13 and the second reactor 11.By the setting of technique scheme, when sewage pollution is lower, use different purification for different situations, the use of membrane module can be reduced, thus reduce energy consumption and cost.Preferably, blower fan 7 has multiple air outlet, and the air outlet wherein blowing to the second reactor area is provided with valve, when the water pollution degree of described sewage is lower than specific threshold, and the valve closes of described air outlet.
The sewage water treatment method of above-mentioned environment protection sewage treatment unit, comprise the steps: that water quality monitoring (WQM) element 15 is monitored disposing of sewage, a () is when the water pollution degree of described sewage exceedes specific threshold, close the first valve 16, open the second valve 18 and the 3rd valve 17, and open and be separated dividing plate 19, make can communicate between the first membrane module 13 and the second membrane module 14, sewage carries out biological degradation through entering the first reactor 12, first membrane module 13 is as the product moisture film assembly of internal recycle, water is produced to the second reactor 11 by recycle pump 3, product water after second reactor 11 carries out photochemical catalytic oxidation gets back to the first reactor 12, product water is arranged outward by producing water pump 9 by the second membrane module 14, b () is when the water pollution degree of described sewage is lower than specific threshold, close the second valve 18 and the 3rd valve 17, open the first valve 16, and close and be separated dividing plate 19, make between the first membrane module 13 and the second membrane module 14 separated from each other, sewage carries out biological degradation through entering the first reactor 12, and product water arrives the second reactor 11, second reactor 11 by recycle pump 3 and carries out the product water after photochemical catalytic oxidation by producing the outer row of water pump 9.
See an alternative embodiment of the invention shown in Fig. 2, environment protection sewage treatment unit of the present invention, comprises water quality monitoring (WQM) element 15, intake pump 6, first reactor 12, recycle pump 3, second reactor 11, blower fan 7 and goes out water pump 9.Before water quality monitoring (WQM) element 15 is arranged at described intake pump, for monitoring the water quality of sewage, water quality monitoring (WQM) element 15 can use existing water monitoring device, for measuring COD, BOD in sewage, nitrogen oxygen level or organic content etc., the monitoring information of water quality monitoring (WQM) element 14 sends controller to.Intake pump 6 is for importing the first reactor 12 by sewage.First reactor 12 comprises setting the first membrane module 13 and the second membrane module 14 in the inner, first membrane module 13 is the membrane module producing water in cyclic oxidation, be connected with the second reactor 11 by recycle pump 3 and valve 116, and by valve 117 with go out water pump 9 and be connected; Second membrane module 14 is that system produces water assembly, its water side with go out water pump 9 and be connected.Recycle pump 3 is for delivering to the second reactor 11 by the product water pump of the first membrane module 13.Second reactor 11 is photo catalysis reactor, arranges UV-light light 1, and throw in hydrogen peroxide for catalyzed oxidation by hydrogen peroxide throwing device 10 in it.Product water is returned the first reactor 12 by the water side of the second reactor 11.Go out water pump 9 to export for the water that will be disposed.When the organic concentration monitored is lower than specific threshold, close the first membrane module 13 the valve 116 of water side between recycle pump 3, the water side of opening the first membrane module 13 and the valve 117 gone out between water pump 9; When the organic concentration monitored is higher than specific threshold, open the valve 117 between the water side of the first membrane module 13 and recycle pump 3, the water side closing the first membrane module 13 and the valve 116 gone out between water pump 9.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claims in the present invention.
Claims (9)
1. an environment protection sewage treatment unit, comprises intake pump, the first reactor, recycle pump, the second reactor, blower fan and goes out water pump, and described intake pump is used for sewage to import described first reactor; Described first reactor is biochemical reactor, comprise setting the first membrane module in the inner and the second membrane module, described first membrane module is photochemical catalysis circulation membrane module, described first membrane module is connected with the second reactor by recycle pump, the water side of described second membrane module with described go out water pump be connected; Described recycle pump is used for the generation of the first membrane module to be pumped into described second reactor; Described second reactor is photo catalysis reactor, and the water side of described second reactor is connected with the first reactor; Described go out water pump export for the water that will be disposed; It is characterized in that: also comprise water quality monitoring (WQM) element, before described water quality monitoring (WQM) element is arranged at described intake pump, for monitoring the water quality of sewage.
2. an environment protection sewage treatment unit according to claim 1, it is characterized in that: the water side of described second reactor by the first valve also with described go out water pump be connected, and described second reactor water side and the first reactor connected component are provided with the second valve, described second membrane module with described go out water pump be connected by the 3rd valve; When the water pollution degree of described sewage exceedes specific threshold, described first valve closes, described second valve open, the 3rd valve open; When the water pollution degree of described sewage is lower than specific threshold, described second valve closes, described first valve opening, the 3rd valve closes.
3. environment protection sewage treatment unit according to claim 1 and 2, is characterized in that: be provided with ultraviolet lamp tube in described photo catalysis reactor.
4. environment protection sewage treatment unit according to claim 3, it is characterized in that: also comprise controller, described controller receives the monitoring information of described water quality monitoring (WQM) element, and controls the switch of the first valve, the second valve and the 3rd valve according to this monitoring information.
5. environment protection sewage treatment unit according to claim 4, is characterized in that; Also comprise the removable separation dividing plate be arranged between the first membrane module and the second membrane module, the water outlet of described intake pump is arranged between described first membrane module and described separation dividing plate; When the water pollution degree of described sewage exceedes specific threshold, described separation dividing plate opened by described controller, makes can communicate between described first membrane module and the second membrane module; When the water pollution degree of described sewage is lower than specific threshold, described controller cuts out described separation dividing plate, makes between described first membrane module and described second membrane module separated from each other.
6. environment protection sewage treatment unit according to claim 5, is characterized in that; Described monitoring information comprises COD, BOD and the ammonia-nitrogen content information of sewage.
7. environment protection sewage treatment unit according to claim 1, is characterized in that: described first membrane module water side be connected by valve with between described recycle pump, the water side of described first membrane module also by valve with described go out water pump phase; , when the organic concentration monitored is lower than specific threshold, close described first membrane module the valve of water side between described recycle pump, open described first membrane module water side and described go out valve between water pump; When the organic concentration monitored is higher than specific threshold, open described first membrane module the valve of water side between described recycle pump, close described first membrane module water side and described go out valve between water pump.
8. environment protection sewage treatment unit according to claim 7, is characterized in that: described monitoring information comprises the organic content information of sewage.
9. the sewage water treatment method of the environment protection sewage treatment unit that one of claim 1-6 is described, comprise the steps: that described water quality monitoring (WQM) element is monitored disposing of sewage, a () is when the water pollution degree of described sewage exceedes specific threshold, close the first valve, open the second valve and the 3rd valve, and open described separation dividing plate, make can communicate between described first membrane module and the second membrane module, described sewage carries out biological degradation through entering the first reactor, first membrane module is as the product moisture film assembly of internal recycle, water is produced to the second reactor by recycle pump, product water after second reactor carries out photochemical catalytic oxidation gets back to the first reactor, product water is arranged outward by producing water pump by the second membrane module, b () is when the water pollution degree of described sewage is lower than specific threshold, close the second valve and the 3rd valve, open the first valve, and close described separation dividing plate, make between described first membrane module and described second membrane module separated from each other, described sewage carries out biological degradation through entering the first reactor, produces water and arrives the second reactor by recycle pump, and the product water after the second reactor carries out photochemical catalytic oxidation is arranged outward by producing water pump.
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| CN201510048832.5A CN104556590B (en) | 2015-01-30 | 2015-01-30 | A kind of environment protection sewage treatment unit and sewage water treatment method |
| CN201510248564.1A CN104891736B (en) | 2015-01-30 | 2015-01-30 | A kind of environment protection sewage processing meanss |
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| CN105347611A (en) * | 2015-10-29 | 2016-02-24 | 无锡市嘉邦电力管道厂 | Domestic sewage treatment method |
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Also Published As
| Publication number | Publication date |
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| CN104556590B (en) | 2016-06-01 |
| CN104891736B (en) | 2017-03-01 |
| CN104891736A (en) | 2015-09-09 |
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