CN105347627A - Movable MBR-process sewage treatment device and treatment method thereof - Google Patents
Movable MBR-process sewage treatment device and treatment method thereof Download PDFInfo
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- CN105347627A CN105347627A CN201510887649.4A CN201510887649A CN105347627A CN 105347627 A CN105347627 A CN 105347627A CN 201510887649 A CN201510887649 A CN 201510887649A CN 105347627 A CN105347627 A CN 105347627A
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Abstract
The invention relates to a movable MBR-process sewage treatment device and a treatment method thereof. The movable MBR-process sewage treatment device comprises a pretreatment assembly, a main treatment assembly and an assistant treatment assembly, wherein a sewage inlet pipe is arranged on the pretreatment assembly; a reused water outlet pipe is arranged on the assistant treatment assembly; the pretreatment assembly comprises a floating sludge zone, a settling zone and a regulation zone which are sequentially connected with one another; the main treatment assembly comprises an anoxic zone, an aerobic zone and a membrane zone which are sequentially connected with one another; a fine grille is arranged at the inlet of the anoxic zone; a membrane module device, a gas-upgrade backflow device, a sludge pump, a water gauge and an electric heater are arranged in the membrane zone; the assistant treatment assembly comprises a blower, an automatic reverse washing device, an electric cabinet, a water production pump and an ozone preparation adding device; the blower is connected with the floating sludge zone, the regulation zone, an aerator and the membrane module device separately. The movable MBR-process sewage treatment device has the advantages of being simple in structure, reasonable in design, convenient to manufacture and transport, high in sewage treatment efficiency, long in service life, low in maintenance cost, reducing the worker labor intensity, and the like.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to a kind of portable MBR process spent water treatment unit and treatment process thereof, it can be applicable to the emergent sewage disposal temporarily such as Rural areas, industrial and mining enterprises, fairground, scenic spot, disaster area, accident.
Background technology
Along with the quick growth of China's economy, the standard of living of urban residents improves day by day, the quantity discharged of sanitary sewage also increases thereupon, but due to geographical environment and the dwelling habits of Rural areas, country sewage is unprocessed directly enters natural water for the overwhelming majority, cause serious water environmental problems, cause great attention and the extensive concern of central authorities and various circles of society.Water surrounding regional compensation system rises tentative in Beijing for 2015, and progressively promotes to the whole nation.Countryside sewage treating has become an important content and the inspecting standard of building Socialist New.Comparatively early, technical products is ripe for developed country's rural sewage treatment technology starting, and industry size is comparatively large, defines fairly perfect standards system and policy system.Domestic rural sewage treatment technical study and product development are started late, and product technology integration problem is not still properly settled, and product structure is single, and range of application is narrower, inefficiency of production, and industrialization level has much room for improvement.Along with the iterative method of China's urbanization planning, people in the countryside also will reduce further, and development still plays pendulum, and within nearly 10 years, decreases 900,000 natural villages.Some village is not only planned uncertain, and is positioned at water resources protection ground, and the demand of sewage disposal is very urgent, and effluent quality requires high.In these situations, if build permanent sewage treatment facility, the waste of ample resources must be caused.Due to the applied environment needing reply comparatively complicated, the stability of system and reliability will face great test.The features such as this just needs the small-sized equipment of sewage treatment facility, modularization, has good movability, so that transport, has response capacity faster, stronger adaptability and stability simultaneously, also simple to operate with possessing, safe and reliable.
In order to make package plant have compact volume and higher processing power simultaneously, treatment process generally all adopts MBR.But, current domestic most MBR device uses hollow fiber film assembly, a lot of problem is there is in membranous system design, making, be mainly manifested in: first, do not arrange automatic back-washing device, backwash operation is complicated, and labor capacity is large, online daily backwashing system is not even set, makes membrane module flux accelerate decay; The second, membrane module can not be deposited in drying, causes difficulty to maintenance and transport, scraps once there is the unexpected solid carbon dioxide of membrane cisterna, mishandle or the improper membrane module that will cause of sfgd.; 3rd, do not arrange antifreezing measures, the lower situation of north temperature in winter will cause thrashing; 4th, do not carry out Hydraulic Optimizing Design, make membrane module produce water cycle time, occur that film filament plate is tied, necessary off-line manual cleaning, makes troubles to attended operation.Film group device is the key equipment of MBR technique, and conventional maintenance only has 5 years work-ing life, if do not overcome the above problems, membrane module does not reach working life, and running cost can increase sharply.Therefore, study that a kind of reasonable in design, structure is simple, the portable MBR process spent water treatment unit of long service life has important Research Significance.
Summary of the invention
For the deficiency existed in waste disposal plant in prior art, the object of the invention is to: a kind of portable MBR process spent water treatment unit and treatment process thereof are provided, its have structure simple, reasonable in design, be convenient to make and transport, sewage treating efficiency is high, long service life, maintenance cost are low, reduce the advantage such as labour intensity of workman.
To achieve these goals, the present invention is achieved through the following technical solutions:
A kind of portable MBR process spent water treatment unit, this waste disposal plant comprises pre-processing assembly, main processing components, vice processing assembly; Wherein, pre-processing assembly is provided with sewage water inlet pipe, vice processing assembly is provided with reuse water rising pipe; Main processing components connects pre-processing assembly and vice processing assembly respectively; Pre-processing assembly comprise connect according to the order of sequence successively scum silica frost district, settling region, regulatory region, scum silica frost district outlet be provided with grid in aeration, be provided with sludge pump in settling region, in regulatory region, be provided with the first aeration stirrer and lift pump; Main processing components comprise connect according to the order of sequence successively oxygen-starved area, aerobic zone, film district, the import of oxygen-starved area is provided with fine fack, the second aeration stirrer is also provided with in oxygen-starved area, be provided with aerator in aerobic zone, in film district, be provided with film group device, stripping reflux device, row residual pump, water level gauge and electric heater; Vice processing assembly comprises gas blower, automatic back-washing device, electrical control cubicles, product water pump, Ozone generation throwing device; Gas blower is connected to the aeration tube of scum silica frost district, regulatory region, aerator and film group device respectively; Produce water pump and be connected to reuse water rising pipe by Ozone generation throwing device; Electrical control cubicles respectively with gas blower, automatic back-washing device, produce water pump, Ozone generation throwing device is electrically connected.
As the further optimization of technique scheme, in described scum silica frost district, in aeration, the screen of grid is the stainless steel perforation plate of aperture 5mm of damming, and inside establishes aeration tube; Sound insulation, insulation, ventilation, illumination, water-tight device is also provided with in vice processing assembly, and extraneous adornment.
As the further optimization of technique scheme, described film group device is hang the board-like film group device installed, and the surrounding of this film group device is provided with water eliminator, and electrical control cubicles is also provided with controller; Supply air line is connected with film group device, stripping reflux device respectively; Each supply air line is also provided with gas flow adjusting means; Electric heater is provided with temperature controller, produces on water pump and be also provided with timing register, water level sensor, water flow regulating device; Water flow regulating device, gas flow adjusting means, temperature controller, timing register and water level sensor are connected with controller data signal respectively.
As the further optimization of technique scheme, automatic back-washing device comprises water tank, medicine storing pot, backwashing pump, backwash magnetic valve, moisturizing magnetic valve, produces water solenoid valve, return regulating valve, water tank high-water; Water tank is connected with product pumping line by moisturizing magnetic valve; Backwashing pump water absorption tube is connected to water tank, is also connected to medicine storing pot by return regulating valve; Backwashing pump, backwash magnetic valve, product water solenoid valve are connected with controller data signal respectively.
As the further optimization of technique scheme, described controller is network controller, this network controller also comprises wireless transport module, this wireless transport module monitors the data signal of water flow regulating device, gas flow adjusting means, temperature controller, timing register, water level sensor in real time by wireless network, and will send to mobile terminal of mobile telephone or long-range fixed terminal equipment after signal storage to Cloud Server; This network controller can also accept the order of mobile terminal or long-range fixed terminal active transmission, comprises red tape operation, time variable control and parameter adjustment.
The treatment process of the above-mentioned portable MBR process spent water treatment unit of the present invention comprises the steps:
1) open gas blower, the aeration tube of scum silica frost district, regulatory region, oxygen-starved area aerator and film group device is inflated, makes air diffuser in scum silica frost district, regulatory region, oxygen-starved area, aerator and film group device; Magnetic valve on the supply air line of the wherein aeration tube of oxygen-starved area is controlled by controller, makes it often open and closes 10 minutes for 1 minute;
2) pending sewage flow to the scum silica frost district of pre-processing assembly successively by sewage water inlet pipe, settling region, regulatory region are carried out pre-treatment, then by lift pump, pretreated sewage caused main processing components; When wherein processing in settling region, a part of mud in settling region is discharged by sludge pump;
3) in step 2) in, pretreated sewage, first after the fine particle thing that fine fack is removed in sewage, mixes with returned sluge, under the second aeration stirrer of oxygen-starved area stirs, carry out denitrogenation of waste water process; Oxygen-starved area water outlet flow to aerobic zone, carries out Air Exposure, and remove organic pollutant is nitrate nitrogen by mineralized nitrogen simultaneously; Sewage after the Air Exposure of aerobic zone enters film district; In film district, discharge remaining mud by row's residual pump, the backflow of mixed solution is provided by stripping reflux device, by electric heater, water temperature is controlled more than 5 DEG C, when the water temperature that temperature controller records is lower than 5 DEG C, controller controls electric heater unlatching and heats; When the water temperature that temperature controller records is higher than 8 DEG C, controller controls electric heater and stops heating; By arranging residual pump by excess sludge discharge to scum silica frost district, after settling region precipitation, discharge system through sludge pump; Controller is according to the work of the data signal water production control pump of timing register, water flow regulating device and water level sensor, wherein control method is treatment unit stand-by time 8 minutes per working times 2 minutes, and by water level gauge water production control pump stopping water level, the stopping water level of setting guarantees that film group device is in submerged condition always;
4) effluent stream through main processing modules process carries out reprocessing to vice processing assembly, wherein, often complete once produce the water cycle, the backwash of automatic back-washing device once, in backwash process, first close and produce water solenoid valve, open backwash magnetic valve and backwashing pump, by the medicament in negative pressure-pumping medicine storing pot before backwashing pump, when reaching the fluid injection time, close down aforesaid device, restart after waiting soak time to be achieved to produce water; Water tank moisturizing completes within the product water cycle, automatically ensures water tank full water by water tank high-water and moisturizing magnetic valve; Produce water pump to produce water end (W.E.) and be connected with Ozone generation throwing device, added by ozone and carry out decolouring, discharge or reuse after sterilization and disinfection process; After the whole Processing tasks for the treatment of sewage completes, close whole waste disposal plant, all reactors of emptying.
Compared with waste disposal plant of the prior art, portable MBR process spent water treatment unit tool of the present invention has the following advantages:
(1) structure is simple, reasonable in design, and be convenient to stdn produce in factory and transport, floor space is little;
(2) sewage treating efficiency is high, operational process dependable performance, and effluent quality is good, can meet high standard discharge, also can be used for providing high-quality recycled water;
(3) by membranous system self-poise flooding quantity and water production rate, can realize film group device and automatically clean, simplify line service amount, winter keeps water temperature automatically, prolonging service lifetime of film;
(4) film group device hangs mounting means by adopting, and through Hydraulic Optimizing Design, can delay film dirt stifled, extend and produce the water cycle, beyond film district when solid carbon dioxide or maintenance, film group device kept dry material unchangeability, reduce maintenance cost, effectively avoid equipment failure and misoperation to cause damage;
(5) by intelligent radio remote monitoring, unmanned can be realized, move and patrol the function such as pipe, monitoring in real time, effectively reduce the labour intensity of operator, have a wide range of applications space.
Accompanying drawing explanation
Accompanying drawing 1 is the one-piece construction schematic diagram of the present invention's portable MBR process spent water treatment unit.
Accompanying drawing 2 is automatic back-washing apparatus structure schematic diagram in the present invention's portable MBR process spent water treatment unit.
Embodiment
Below in conjunction with accompanying drawing 1-2, the portable MBR process spent water treatment unit of the present invention and treatment process thereof are described in detail.
A kind of portable MBR process spent water treatment unit, this waste disposal plant comprises pre-processing assembly 1, main processing components 2, vice processing assembly 3; Wherein, pre-processing assembly 1 is provided with sewage water inlet pipe, vice processing assembly is provided with reuse water rising pipe; Main processing components 2 connects pre-processing assembly 1 and vice processing assembly 3 respectively; Pre-processing assembly 1 comprise connect according to the order of sequence successively scum silica frost district 101, settling region 102, regulatory region 103, the outlet of scum silica frost district is provided with grid 104 in aeration, be provided with sludge pump 105 in settling region, in regulatory region, be provided with the first aeration stirrer 106 and lift pump 107; Main processing components 2 comprise connect according to the order of sequence successively oxygen-starved area 201, aerobic zone 202, film district 203, the import of oxygen-starved area is provided with fine fack 204, the second aeration stirrer 205 is also provided with in oxygen-starved area, be provided with aerator 206 in aerobic zone, in film district, be provided with film group device 207, stripping reflux device 208, row residual pump 209, water level gauge 210 and electric heater 211; Vice processing assembly comprises gas blower 301, automatic back-washing device 302, electrical control cubicles 303, produces water pump 304, Ozone generation throwing device 305; Gas blower is connected to the aeration tube of scum silica frost district, regulatory region, aerator and film group device respectively; Produce water pump and be connected to reuse water rising pipe by Ozone generation throwing device; Electrical control cubicles respectively with gas blower, sludge pump, automatic back-washing device, produce water pump, Ozone generation throwing device is electrically connected.In described scum silica frost district, in aeration, the screen of grid is the stainless steel perforation plate of aperture 5mm of damming, and inside establishes aeration tube; Sound insulation, insulation, ventilation, illumination, water-tight device is also provided with in vice processing assembly, and extraneous adornment.Described film group device is hang the board-like film group device installed, and the surrounding of this film group device is provided with water eliminator, and electrical control cubicles is also provided with controller; Supply air line is connected with film group device, stripping reflux device respectively; Each supply air line is also provided with gas flow adjusting means; Electric heater is provided with temperature controller, produces on water pump and be also provided with timing register, water level sensor, water flow regulating device; Water flow regulating device, gas flow adjusting means, temperature controller, timing register and water level sensor are connected with controller data signal respectively.Automatic back-washing device comprises water tank 3021, medicine storing pot 3022, backwashing pump 3023, backwash magnetic valve 3024, moisturizing magnetic valve 3025, produces water solenoid valve 3026, return regulating valve 3027, water tank high-water 3028; Water tank is connected with product pumping line by moisturizing magnetic valve; Backwashing pump water absorption tube is connected to water tank, is also connected to medicine storing pot by return regulating valve; Backwashing pump, backwash magnetic valve, product water solenoid valve are connected with controller data signal respectively.Described controller is network controller, this network controller also comprises wireless transport module, this wireless transport module monitors the data signal of water flow regulating device, gas flow adjusting means, temperature controller, timing register, water level sensor in real time by wireless network, and will send to mobile terminal of mobile telephone or long-range fixed terminal equipment after signal storage to Cloud Server; This network controller can also accept the order of mobile terminal or long-range fixed terminal active transmission, comprises red tape operation, time variable control and parameter adjustment.
The treatment process of the above-mentioned portable MBR process spent water treatment unit of the present invention comprises the steps:
1) open gas blower, the aeration tube of scum silica frost district, regulatory region, oxygen-starved area aerator and film group device is inflated, makes air diffuser in scum silica frost district, regulatory region, oxygen-starved area, aerator and film group device; Magnetic valve on the supply air line of the wherein aeration tube of oxygen-starved area is controlled by controller, makes it often open and closes 10 minutes for 1 minute;
2) pending sewage flow to the scum silica frost district of pre-processing assembly successively by sewage water inlet pipe, settling region, regulatory region are carried out pre-treatment, then by lift pump, pretreated sewage caused main processing components; When wherein processing in settling region, a part of mud in settling region is discharged by sludge pump;
3) in step 2) in, pretreated sewage, first after the fine particle thing that fine fack is removed in sewage, mixes with returned sluge, under the second aeration stirrer of oxygen-starved area stirs, carry out denitrogenation of waste water process; Oxygen-starved area water outlet flow to aerobic zone, carries out Air Exposure, and remove organic pollutant is nitrate nitrogen by mineralized nitrogen simultaneously; Sewage after the Air Exposure of aerobic zone enters film district; In film district, discharge remaining mud by row's residual pump, the backflow of mixed solution is provided by stripping reflux device, by electric heater, water temperature is controlled more than 5 DEG C, when the water temperature that temperature controller records is lower than 5 DEG C, controller controls electric heater unlatching and heats; When the water temperature that temperature controller records is higher than 8 DEG C, controller controls electric heater and stops heating; By arranging residual pump by excess sludge discharge to scum silica frost district, after settling region precipitation, discharge system through sludge pump; Controller is according to the work of the data signal water production control pump of timing register, water flow regulating device and water level sensor, wherein control method is treatment unit stand-by time 8 minutes per working times 2 minutes, and by water level gauge water production control pump stopping water level, the stopping water level of setting guarantees that film group device is in submerged condition always;
4) effluent stream through main processing modules process carries out reprocessing to vice processing assembly, wherein, often complete once produce the water cycle, the backwash of automatic back-washing device once, in backwash process, first close and produce water solenoid valve, open backwash magnetic valve and backwashing pump, by the medicament in negative pressure-pumping medicine storing pot before backwashing pump, when reaching the fluid injection time, close down aforesaid device, restart after waiting soak time to be achieved to produce water; Water tank moisturizing completes within the product water cycle, automatically ensures water tank full water by water tank high-water and moisturizing magnetic valve; Produce water pump to produce water end (W.E.) and be connected with Ozone generation throwing device, added by ozone and carry out decolouring, discharge or reuse after sterilization and disinfection process; After the whole Processing tasks for the treatment of sewage completes, close whole waste disposal plant, all reactors of emptying.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (6)
1. a portable MBR process spent water treatment unit, is characterized in that: this waste disposal plant comprises pre-processing assembly (1), main processing components (2), vice processing assembly (3); Wherein, (1) is provided with sewage water inlet pipe to pre-processing assembly, vice processing assembly is provided with reuse water rising pipe; Main processing components (2) connects pre-processing assembly (1) and vice processing assembly (3) respectively; Pre-processing assembly (1) comprise connect according to the order of sequence successively scum silica frost district (101), settling region (102), regulatory region (103), the outlet of scum silica frost district is provided with grid in aeration (104), be provided with sludge pump (105) in settling region, in regulatory region, be provided with the first aeration stirrer (106) and lift pump (107); Main processing components (2) comprise connect according to the order of sequence successively oxygen-starved area (201), aerobic zone (202), film district (203), the import of oxygen-starved area is provided with fine fack (204), the second aeration stirrer (205) is also provided with in oxygen-starved area, be provided with aerator (206) in aerobic zone, in film district, be provided with film group device (207), stripping reflux device (208), row's residual pump (209), water level gauge (210) and electric heater (211); Vice processing assembly comprises gas blower (301), automatic back-washing device (302), electrical control cubicles (303), produces water pump (304), Ozone generation throwing device (305); Gas blower is connected to the aeration tube of scum silica frost district, regulatory region, aerator and film group device respectively; Produce water pump and be connected to reuse water rising pipe by Ozone generation throwing device; Electrical control cubicles respectively with gas blower, sludge pump, automatic back-washing device, produce water pump, Ozone generation throwing device is electrically connected.
2. one according to claim 1 portable MBR process spent water treatment unit, is characterized in that: in described scum silica frost district, in aeration, the screen of grid is the stainless steel perforation plate of aperture 5mm of damming, and inside establishes aeration tube; Sound insulation, insulation, ventilation, illumination, water-tight device is also provided with in vice processing assembly, and extraneous adornment.
3. one according to claim 1 and 2 portable MBR process spent water treatment unit, is characterized in that: described film group device is hang the board-like film group device installed, and the surrounding of this film group device is provided with water eliminator, and electrical control cubicles is also provided with controller; Supply air line is connected with film group device, stripping reflux device respectively; Each supply air line is also provided with gas flow adjusting means; Electric heater is provided with temperature controller, produces on water pump and be also provided with timing register, water level sensor, water flow regulating device; Water flow regulating device, gas flow adjusting means, temperature controller, timing register and water level sensor are connected with controller data signal respectively.
4. one according to claim 3 portable MBR process spent water treatment unit, is characterized in that: automatic back-washing device comprises water tank (3021), medicine storing pot (3022), backwashing pump (3023), backwash magnetic valve (3024), moisturizing magnetic valve (3025), produces water solenoid valve (3026), return regulating valve (3027), water tank high-water (3028); Water tank is connected with product pumping line by moisturizing magnetic valve; Backwashing pump water absorption tube is connected to water tank, is also connected to medicine storing pot by return regulating valve; Backwashing pump, backwash magnetic valve, product water solenoid valve are connected with controller data signal respectively.
5. one according to claim 4 portable MBR process spent water treatment unit, it is characterized in that: described controller is network controller, this network controller also comprises wireless transport module, this wireless transport module monitors the data signal of water flow regulating device, gas flow adjusting means, temperature controller, timing register, water level sensor in real time by wireless network, and will send to mobile terminal of mobile telephone or long-range fixed terminal equipment after signal storage to Cloud Server; This network controller can also accept the order of mobile terminal or long-range fixed terminal active transmission, comprises red tape operation, time variable control and parameter adjustment.
6. the treatment process having a kind of portable MBR process spent water treatment unit according to claim 5, it is characterized in that, this treatment process comprises the steps:
1) open gas blower, the aeration tube of scum silica frost district, regulatory region, oxygen-starved area aerator and film group device is inflated, makes air diffuser in scum silica frost district, regulatory region, oxygen-starved area, aerator and film group device; Magnetic valve on the supply air line of the wherein aeration tube of oxygen-starved area is controlled by controller, makes it often open and closes 10 minutes for 1 minute;
2) pending sewage flow to the scum silica frost district of pre-processing assembly successively by sewage water inlet pipe, settling region, regulatory region are carried out pre-treatment, then by lift pump, pretreated sewage caused main processing components; When wherein processing in settling region, a part of mud in settling region is discharged by sludge pump;
3) in step 2) in, pretreated sewage, first after the fine particle thing that fine fack is removed in sewage, mixes with returned sluge, under the second aeration stirrer of oxygen-starved area stirs, carry out denitrogenation of waste water process; Oxygen-starved area water outlet flow to aerobic zone, carries out Air Exposure, and remove organic pollutant is nitrate nitrogen by mineralized nitrogen simultaneously; Sewage after the Air Exposure of aerobic zone enters film district; In film district, discharge remaining mud by row's residual pump, the backflow of mixed solution is provided by stripping reflux device, by electric heater, water temperature is controlled more than 5 DEG C, when the water temperature that temperature controller records is lower than 5 DEG C, controller controls electric heater unlatching and heats; When the water temperature that temperature controller records is higher than 8 DEG C, controller controls electric heater and stops heating; By arranging residual pump by excess sludge discharge to scum silica frost district, after settling region precipitation, discharge system through sludge pump; Controller is according to the work of the data signal water production control pump of timing register, water flow regulating device and water level sensor, wherein control method is treatment unit stand-by time 8 minutes per working times 2 minutes, and by water level gauge water production control pump stopping water level, the stopping water level of setting guarantees that film group device is in submerged condition always;
4) effluent stream through main processing modules process carries out reprocessing to vice processing assembly, wherein, often complete once produce the water cycle, the backwash of automatic back-washing device once, in backwash process, first close and produce water solenoid valve, open backwash magnetic valve and backwashing pump, by the medicament in negative pressure-pumping medicine storing pot before backwashing pump, when reaching the fluid injection time, close down aforesaid device, restart after waiting soak time to be achieved to produce water; Water tank moisturizing completes within the product water cycle, automatically ensures water tank full water by water tank high-water and moisturizing magnetic valve; Produce water pump to produce water end (W.E.) and be connected with Ozone generation throwing device, added by ozone and carry out decolouring, discharge or reuse after sterilization and disinfection process; After the whole Processing tasks for the treatment of sewage completes, close whole waste disposal plant, all reactors of emptying.
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| CN106045039A (en) * | 2016-07-18 | 2016-10-26 | 合肥益企学科技有限公司 | Sewage treatment system of membrane-containing process and operation method of sewage treatment system |
| CN106186564A (en) * | 2016-08-30 | 2016-12-07 | 广德清源水处理设备有限公司 | Membrane bioreactor sewage purification system and operational approach thereof |
| CN106396300A (en) * | 2016-12-09 | 2017-02-15 | 北京城市排水集团有限责任公司 | Sewage treatment device of precast concrete structure and treatment method |
| CN108751569A (en) * | 2018-04-17 | 2018-11-06 | 云南嘉科环保设备有限公司 | Intellectual integrated processor for waste water |
| CN110028175A (en) * | 2018-01-12 | 2019-07-19 | 中国石油天然气股份有限公司 | Oil-gas well fracturing flowback fluid treatment method and device and skid-mounted box |
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| CN205295073U (en) * | 2015-12-07 | 2016-06-08 | 北京城市排水集团有限责任公司 | Portable MBR technology sewage treatment plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106045039A (en) * | 2016-07-18 | 2016-10-26 | 合肥益企学科技有限公司 | Sewage treatment system of membrane-containing process and operation method of sewage treatment system |
| CN106186564A (en) * | 2016-08-30 | 2016-12-07 | 广德清源水处理设备有限公司 | Membrane bioreactor sewage purification system and operational approach thereof |
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| CN105347627B (en) | 2017-08-25 |
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