CN104556590B - A kind of environment protection sewage treatment unit and sewage water treatment method - Google Patents
A kind of environment protection sewage treatment unit and sewage water treatment method Download PDFInfo
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- CN104556590B CN104556590B CN201510048832.5A CN201510048832A CN104556590B CN 104556590 B CN104556590 B CN 104556590B CN 201510048832 A CN201510048832 A CN 201510048832A CN 104556590 B CN104556590 B CN 104556590B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 140
- 239000010865 sewage Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000012528 membrane Substances 0.000 claims abstract description 120
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 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
- 238000005265 energy consumption Methods 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 37
- 238000003911 water pollution Methods 0.000 claims description 23
- 239000000047 product Substances 0.000 claims description 14
- 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
- 239000006227 byproduct Substances 0.000 claims description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000008676 import Effects 0.000 abstract 1
- 230000003245 working 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
- 239000000356 contaminant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 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
- 239000000463 material Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009257 reactivity 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
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Physical Water Treatments (AREA)
Abstract
A kind of environment protection sewage treatment unit and sewage water treatment method, comprise water monitoring device, membrane separation unit and photocatalytic oxidation device, can according to the difference of import sewage quality, select suitable waste disposal plant, thus reduce energy consumption and the cost that device uses, and improve the work-ing life of separatory membrane.
Description
Technical field
The invention belongs to environmental technology field, it relates 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 to reach the object of recycling, can save a large amount of water resourcess. Along with the high speed development of China's economy, China's quantity of wastewater effluent rises year by year, comprising sanitary sewage, industrial sewage etc. If arbitrarily discharging, the pollution of body of groundwater will be caused, and cause eutrophication, therefore urgent need a kind of device rapidly and efficiently and method, and make this kind of waste water reach the requirement of integrated wastewater discharge standard.
Membrane bioreactor (MBR)Refer to that membrane separation assemblies is directly immersed in reactor by it, aspirates water outlet by pump by a kind of new sewage and waste water treatment device that super, microfiltration membrane isolation technique have combined with the bio-reactor in sewage disposal. The advantage that this kind of reactor combines membrane technology and biologic treating technique brings. Super, micro-filtration membrane module, as mud-water separation unit, instead of second pond. Super, microfiltration membrane retains in active sludge intermixture microorganism wadding body and relatively larger molecular organics, make it to stop in reactor, make to obtain in reactor high biological concentration, and extend the organic solid residence time, drastically increase microorganism to the oxidation ratio of organism. Meanwhile, after super, microfiltration membrane process, effluent quality height, it is possible to directly as Treated sewage reusing. It is few that system is arranged excess sludge, and has higher impact resistance.
Photocatalytic oxidation is method ultraviolet radiation (UV) and oxygenant being combined. It utilizes ultraviolet excitation nano titanium oxide (TiO2) semiconductor catalyst, the electron absorption luminous energy in semi-conductor valence band is excited on conduction band so that the electronics of the high reactivity of generating strap negative electricity on conduction band, the hole of generating strap positive charge in valence band, forms oxidation-reduction system. By the disconnected key of broken chain, oxidizing the contaminants into as carbonic acid gas, water, part material 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, it is to increase 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 an aspect of the present invention, it is provided that a kind of environment protection sewage treatment unit, comprises intake pump, the first reactor, recycle pump, the 2nd reactor, blower fan and go out water pump, described intake pump is used for importing sewage described first reactor; Described first reactor is biochemical reactor, comprise the first membrane module and the 2nd membrane module that arrange in the inner, described first membrane module is photochemical catalysis circulation membrane module, described first membrane module is connected with the 2nd reactor by recycle pump, the water side of described 2nd membrane module with described go out water pump be connected; Described recycle pump is used for the generation of the first membrane module is pumped into described 2nd reactor; Described 2nd reactor is photo catalysis reactor, and the water side of described 2nd reactor is connected with the first reactor; Described go out water pump for the complete water of process is exported; Also comprise water quality monitoring (WQM) element.
Preferably, in such scheme, described photo catalysis reactor is provided with ultraviolet lamp tube.
As an 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 2nd 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 importing sewage described first reactor; Described first reactor comprises the first membrane module and the 2nd membrane module that arrange in the inner, described first membrane module is photochemical catalysis circulation membrane module, described first membrane module is connected with the 2nd reactor by recycle pump, the water side of described 2nd membrane module with described go out water pump be connected; Described recycle pump is used for the generation of the first membrane module is pumped into described 2nd reactor; Described 2nd reactor is photo catalysis reactor, and the water side of described 2nd reactor is connected with the first reactor; Described go out water pump for the complete water of process is exported; It is characterized in that: the water side of described 2nd reactor by the first valve also with described go out water pump be connected, and described 2nd reactor water side and the first reactor connected component are provided with the 2nd valve, described 2nd 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 2nd valve open, the 3rd valve open; When the water pollution degree of described sewage is lower than specific threshold, described 2nd valve closes, described first valve opening, the 3rd valve closes.
Preferably, in such scheme, also comprising controller, described controller receives the monitoring information of described water quality monitoring (WQM) element, and controls the switch of the first valve, the 2nd 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 comprising the removable separation dividing plate being arranged between the first membrane module and the 2nd 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 2nd 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 2nd membrane module separated from each other.
Preferably, in such scheme, also comprise the blower fan for wind in the first reactor.
Preferably, in such scheme, in such scheme, described blower fan have multiple go out air port, the air port that goes out wherein blowing to the 2nd reactor area is provided with valve, when the water pollution degree of described sewage is lower than specific threshold, described in go out the valve closes in air port.
As another aspect of the present invention, the sewage water treatment method of a kind 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 2nd valve, and open described separation dividing plate, make can communicate between described first membrane module and the 2nd membrane module, described sewage carries out biological degradation through entering the first reactor, first membrane module is as the product water membrane module of internal recycle, water is produced to the 2nd reactor by recycle pump, 2nd reactor carry out photochemical catalytic oxidation after product water return to the first reactor, 2nd membrane module will be arranged outside producing water by product water pump, b () is when the water pollution degree of described sewage is lower than specific threshold, close the 2nd valve, open the first valve, and close described separation dividing plate, make between described first membrane module and described 2nd membrane module separated from each other, described sewage carries out biological degradation through entering the first reactor, produces water and arrives the 2nd reactor by recycle pump, and the 2nd reactor carries out the product water after photochemical catalytic oxidation and arranges outside 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 2nd 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 importing sewage described first reactor; Described first reactor comprises the first membrane module and the 2nd membrane module that arrange in the inner, described first membrane module is photochemical catalysis circulation membrane module, described first membrane module is connected with the 2nd reactor by recycle pump, the water side of described 2nd membrane module with described go out water pump be connected; Described recycle pump is used for the generation of the first membrane module is pumped into described 2nd reactor; Described 2nd reactor is photo catalysis reactor, and the water side of described 2nd reactor is connected with the first reactor; Described go out water pump for the complete water of process is exported; It is characterized in that: described first membrane module water side between described recycle pump by valve be connected, 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 comprising the removable separation dividing plate being arranged between the first membrane module and the 2nd 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 2nd 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 2nd membrane module separated from each other.
Preferably, in such scheme, also comprise the blower fan for wind in the first reactor.
Preferably, in such scheme, in such scheme, described blower fan have multiple go out air port, the air port that goes out wherein blowing to the 2nd reactor area is provided with valve, when the water pollution degree of described sewage is lower than specific threshold, described in go out the valve closes in air port.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of one embodiment of the present of invention.
Fig. 2 is the schematic diagram of the another one embodiment of the present invention.
Embodiment
For enabling above-mentioned purpose, the feature and advantage of the present invention more become apparent, 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, the 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, the 2nd 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 COD, BOD, nitrogen oxygen level or the organic content etc. measured in sewage, the monitoring information of water quality monitoring (WQM) element 14 sends controller to. Intake pump 6 for importing the first reactor 12 by sewage. First reactor 12 comprises the first membrane module 13 and the 2nd membrane module 14 that arrange in the inner, first membrane module 13 is the membrane module producing water in cyclic oxidation, it is connected with the 2nd reactor 11 by recycle pump 3,2nd membrane module 14 is system product water assembly, and by the 3rd valve 17, water pump 9 is connected with going out in its water side. Recycle pump 3 is for delivering to the 2nd reactor 11 by the product water pump of the first membrane module 13. 2nd 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. By the first valve 16, water pump is connected with going out in the water side of the 2nd reactor 11, and is connected with the first reactor 12 by the 2nd valve 18. Go out water pump 9 for being exported by water complete for process. Controller, according to the water quality information of monitoring, controls the switch of the first valve 16, the 2nd valve 18 and the 3rd valve 17, and when the water pollution degree of sewage exceedes specific threshold, the first valve 16 is closed, and the 2nd 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 2nd 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 being arranged between the first membrane module 13 and the 2nd membrane module 14, and the water outlet of intake pump 6 is arranged between the first membrane module 13 and separation dividing plate 19; When the water pollution degree of entrance sewage exceedes specific threshold, separation dividing plate 19 opened by controller, makes can communicate between the first membrane module 13 and the 2nd membrane module 14, at this moment uses membrane module 13, the 2nd reactor 11 and membrane module 14; When the water pollution degree of described sewage is lower than specific threshold, controller cuts out separation dividing plate 19, makes between the first membrane module 13 and the 2nd membrane module 14 separated from each other, at this moment only uses membrane module 13 and the 2nd reactor 11. By the setting of technique scheme, when sewage pollution is lower, use different purification for different situations, it is possible to reduce the use of membrane module, thus reduce energy consumption and cost. Preferably, blower fan 7 have multiple go out air port, the air port that goes out wherein blowing to the 2nd reactor area is provided with valve, when the water pollution degree of described sewage is lower than specific threshold, described in go out the valve closes in air port.
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 2nd valve 18 and the 3rd valve 17, and open separation dividing plate 19, make can communicate between the first membrane module 13 and the 2nd membrane module 14, sewage carries out biological degradation through entering the first reactor 12, first membrane module 13 is as the product water membrane module of internal recycle, water is produced to the 2nd reactor 11 by recycle pump 3, 2nd reactor 11 carry out photochemical catalytic oxidation after product water return to the first reactor 12, 2nd membrane module 14 will be arranged outside producing water by product water pump 9, b () is when the water pollution degree of described sewage is lower than specific threshold, close the 2nd valve 18 and the 3rd valve 17, open the first valve 16, and close separation dividing plate 19, make between the first membrane module 13 and the 2nd membrane module 14 separated from each other, sewage carries out biological degradation through entering the first reactor 12, produce water by recycle pump 3 arrive the 2nd reactor the 11, two reactor 11 carry out photochemical catalytic oxidation after product water by producing the outer row of water pump 9.
See an alternative embodiment of the invention shown in Fig. 2, the 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, the 2nd 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 COD, BOD, nitrogen oxygen level or the organic content etc. measured in sewage, the monitoring information of water quality monitoring (WQM) element 14 sends controller to. Intake pump 6 for importing the first reactor 12 by sewage. First reactor 12 comprises the first membrane module 13 and the 2nd membrane module 14 that arrange in the inner, first membrane module 13 is the membrane module producing water in cyclic oxidation, it is connected with the 2nd reactor 11 by recycle pump 3 and valve 116, and water pump 9 is connected with going out by valve 117; 2nd membrane module 14 is system product water assembly, and water pump 9 is connected with going out in its water side. Recycle pump 3 is for delivering to the 2nd reactor 11 by the product water pump of the first membrane module 13. 2nd 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 2nd reactor 11. Go out water pump 9 for being exported by water complete for process. 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 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 (5)
1. an environment protection sewage treatment unit, comprises intake pump, the first reactor, recycle pump, the 2nd reactor, blower fan and goes out water pump, and described intake pump is used for importing sewage described first reactor; Described first reactor is biochemical reactor, comprise the first membrane module and the 2nd membrane module that arrange in the inner, described first membrane module is photochemical catalysis circulation membrane module, described first membrane module is connected with the 2nd reactor by recycle pump, the water side of described 2nd membrane module with described go out water pump be connected; Described recycle pump is used for the generation of the first membrane module is pumped into described 2nd reactor; Described 2nd reactor is photo catalysis reactor, and the water side of described 2nd reactor is connected with the first reactor; Described go out water pump for the complete water of process is exported; 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; The water side of described 2nd reactor by the first valve also with described go out water pump be connected, and described 2nd reactor water side and the first reactor connected component are provided with the 2nd valve, described 2nd 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 2nd valve open, the 3rd valve open; When the water pollution degree of described sewage is lower than specific threshold, described 2nd valve closes, described first valve opening, the 3rd valve closes; Controller, described controller receives the monitoring information of described water quality monitoring (WQM) element, and controls the switch of the first valve, the 2nd valve and the 3rd valve according to this monitoring information; The removable separation dividing plate being arranged between the first membrane module and the 2nd 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 2nd 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 2nd membrane module separated from each other such that it is able to reduces the use of membrane module, thus reduces energy consumption and cost.
2. environment protection sewage treatment unit according to claim 1, it is characterised in that: described photo catalysis reactor is provided with ultraviolet lamp tube.
3. environment protection sewage treatment unit according to claim 2, it is characterised in that; Described monitoring information comprises COD, BOD and the ammonia-nitrogen content information of sewage.
4. environment protection sewage treatment unit according to claim 3, it is characterised in that: described monitoring information comprises the organic content information of sewage.
5. the sewage water treatment method of the environment protection sewage treatment unit that one of claim 1-4 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 2nd valve and the 3rd valve, and open described separation dividing plate, make can communicate between described first membrane module and the 2nd membrane module, described sewage carries out biological degradation through entering the first reactor, first membrane module is as the product water membrane module of internal recycle, water is produced to the 2nd reactor by recycle pump, 2nd reactor carry out photochemical catalytic oxidation after product water return to the first reactor, 2nd membrane module will be arranged outside producing water by product water pump, b () is when the water pollution degree of described sewage is lower than specific threshold, close the 2nd valve and the 3rd valve, open the first valve, and close described separation dividing plate, make between described first membrane module and described 2nd membrane module separated from each other, described sewage carries out biological degradation through entering the first reactor, produces water and arrives the 2nd reactor by recycle pump, and the 2nd reactor carries out the product water after photochemical catalytic oxidation and arranges outside 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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| CN201510048832.5A CN104556590B (en) | 2015-01-30 | 2015-01-30 | A kind of environment protection sewage treatment unit and sewage water treatment method |
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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 |
| CN106986509A (en) * | 2017-05-26 | 2017-07-28 | 佛山市恒芯磁能科技有限公司 | A kind of industrial circulating water producing unit and its production method |
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| US5925240A (en) * | 1997-05-20 | 1999-07-20 | United States Filter Corporation | Water treatment system having dosing control |
| CN101201989B (en) * | 2007-12-18 | 2011-05-11 | 徐州工业职业技术学院 | Multifunctional automatization biological sewage treatment composite experimental device |
| CN101684008B (en) * | 2008-09-27 | 2012-06-06 | 上海轻工业研究所有限公司 | Inorganic waste water reclamation movement expert system |
| CN202152309U (en) * | 2011-07-01 | 2012-02-29 | 北京中恒意美环境工程技术有限公司 | Complete set of modularized small-scale device for treatment of high-concentration organic wastewater |
| CN102863101A (en) * | 2012-10-15 | 2013-01-09 | 杨俊义 | Automatic control sewage treatment system with variable process and treating capacity |
| CN103011505B (en) * | 2012-12-11 | 2013-11-06 | 南昌大学 | Photocatalytic internal recycle integrated MBR (Membrane Biological Reactor) reactor |
| CN103663869A (en) * | 2013-12-05 | 2014-03-26 | 武汉宏澳绿色能源工程有限责任公司 | Device and method for treating high density organic waste water by multiphase photocatalysis combined film bioreactor |
| CN103864264B (en) * | 2014-03-03 | 2015-08-19 | 同济大学 | A kind of water treatment method of photocatalysis composite membrane bio-reactor and equipment |
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| CN104556590A (en) | 2015-04-29 |
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