CN101805043A - Vibrating membrane filtration device and industrial wastewater treatment method applying the same - Google Patents
Vibrating membrane filtration device and industrial wastewater treatment method applying the same Download PDFInfo
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- CN101805043A CN101805043A CN 201010150269 CN201010150269A CN101805043A CN 101805043 A CN101805043 A CN 101805043A CN 201010150269 CN201010150269 CN 201010150269 CN 201010150269 A CN201010150269 A CN 201010150269A CN 101805043 A CN101805043 A CN 101805043A
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Abstract
The invention discloses a vibrating membrane filtration device which comprises a vibration generation device fixedly connected with a support, a membrane component and a vibration transmission device used for connecting the vibration generation device and the membrane component; the vibration generation device is a motor; the vibration transmission device comprises a bottom plate, a counterweight, an elastic spindle, a transmission shaft and an eccentric block; one end of the elastic spindle is fixedly connected with the center of the bottom plate, and the other end thereof is fixedly connected with the membrane component; the counterweight and the eccentric block are respectively and fixedly connected with both ends of the center of the bottom plate; the rotating shaft of the motor is connected with the eccentric block through the transmission shaft; and the membrane component is provided with a concentrated water pipe, a water inlet pipe and a water outlet pipe, and a filter membrane is arranged in the membrane component. The invention can effectively prevent the filter membrane from being blocked, maintains stable water flux, effectively solves the technical difficult problems of low membrane flux and membrane blockage of wastewater during the filtration process so that a membrane separation technology can be better applied in an industrial wastewater treatment method, thereby not only improving the water treatment efficiency, but also reducing the water treatment cost.
Description
Technical field
The present invention relates to a kind of vibrating membrane filtration device and use the technique for treating industrial wastewater of this device, belong to the technology for treating industrial waste water field.
Background technology
Development along with industrial and agricultural production, increasing organic compound is widely used in Human's production and life, various also corresponding the increasing of waste water that contain the organic pollutant of a large amount of difficult degradations often contain a large amount of chlorinated benzene classes, nitrobenzene, phenols, polycyclic aromatic hydrocarbons, agrochemical priority pollutants in the waste water as the discharging of industries such as chemical industry, printing and dyeing, medicine, agricultural chemicals simultaneously.These waste water generally have the Pollutant levels height, toxicity is big, saltiness is high, the characteristics of biodegradability difference, are severe contamination water body environment and the major source of pollutant that is detrimental to health.
At present, for high organic concentration waste water, perhaps high salt concentration waste water, perhaps used water difficult to degradate, or has a processing of the trade effluent of above both or three's feature, usually at first adopt physico-chemical process, chemical method, biochemical process respectively at the feature of waste water or the method pre-treatment of both and three's combination in them, adopt membrane filter appts that waste water is carried out filtration treatment again, advanced treatment is discharged or is proceeded in last water outlet.Yet the problem that exists in the existing above-mentioned process for treating industrial waste water is: conventional membrane filter appts is when handling pretreated water outlet, and impurity often is deposited on filter membrane surface in the water, very easily results in blockage, and causes water flux to descend.In order to prevent that this type of situation from taking place, prior art is often had relatively high expectations for pretreated, in preprocessing process, to finish purification as far as possible for waste water, but bring the high processing cost, economy is not good, for example for the processing of present high slat-containing wastewater, often all adopt the method for diluting back biochemistry or multiple-effect evaporator earlier to handle, cost is higher.
Summary of the invention
The present invention seeks to: provide a kind of filtering membrane that can prevent to stop up, keep the stable vibrating membrane filtration device of water flux,, and reduce cost of water treatment with the raising water treatment efficiency.
Technical scheme of the present invention is: a kind of vibrating membrane filtration device, comprise vibration generating apparatus, membrane module that is fixed on the support and the vibration transfer device that connects both, described vibration generating apparatus is a motor, described vibration transfer device comprises base plate, counterweight, elastic axis, transmission shaft and eccentric block, described elastic axis one end and base plate center are affixed, and the other end and membrane module are affixed; Described counterweight and eccentric block are fixed in both sides, base plate center respectively; The rotating shaft of described motor links to each other with eccentric block through transmission shaft; Described membrane module is provided with dense water pipe, water inlet pipe and rising pipe, and membrane module inside is provided with filtering membrane.
Vibrating membrane filtration device of the present invention also comprises and is fixed in the clamp mechanism that is used for clamping elastic axis on the support.
Vibrating membrane filtration device of the present invention, wherein elastic axis further vertically is provided with, and its lower end and base plate center are affixed, and the bottom of upper end and membrane module is affixed; And described water inlet pipe links to each other with the water-in that is arranged on the membrane module top, water outlet respectively with rising pipe, and dense water pipe then links to each other with the sewage draining exit that is arranged on membrane module bottom.
Vibrating membrane filtration device of the present invention, the preferred 30～70Hz of the vibrational frequency of membrane module wherein, amplitude is 15～40mm, the working pressure during membrane filtration is 0.1～10.0MPa.
Filtering membrane in the vibrating membrane filtration device of the present invention, its membrane module can be a microfiltration membrane, perhaps ultra-filtration membrane, perhaps nanofiltration membrane, perhaps reverse osmosis membrane.
Vibrating membrane filtration device of the present invention, its principle of work is as follows: the motor in the device drives eccentric block by transmission shaft and rotates, cause the swing of base, the swing energy is delivered to the membrane module on device top again by elastic axis, cause that membrane module ceaselessly swings.This swing can make the filtering membrane in the membrane module constantly vibrate, thereby on the surface of filtering membrane, produce sinusoidal shearing wave, make impurity in the waste water of the filtering membrane of flowing through be in suspended state and enter in the dense water pipe by sewage draining exit, and can not be deposited on the film surface, the clear water after the filtration then extrudes from the rising pipe at device top.So just efficiently solve the waste water technical barrier that membrane flux is low and film stops up in membrane filtration processes, make membrane separation technique be able to better application in process for treating industrial waste water.
The present invention provides a kind of process for treating industrial waste water that uses above-mentioned vibrating membrane filtration device simultaneously, comprise at first trade effluent is carried out pre-treatment, pretreated water outlet is handled by membrane filter appts again, and last water outlet is discharged or carried out follow-up advanced treatment again; Wherein pre-treatment is that advanced oxidation is handled, perhaps coagulating treatment, perhaps biochemical treatment, the combined treatment of any two kinds or three kinds in perhaps above three kinds of modes; It is characterized in that described membrane filter appts adopts vibrating membrane filtration device, membrane module in the described vibrating membrane filtration device is ceaselessly swung, make the filtering membrane vibration in the membrane module, on filter membrane surface, produce sinusoidal shearing wave, thereby make impurity in the water be in suspended state and enter in the dense water pipe, and can not be deposited on the film surface.
In the above-mentioned treatment process, advanced oxidation is treated to high-level oxidation technology in common knowledge in the industry, combination oxidation as chemical oxidation (as Fenton reagent oxidation, O3/H2O2 etc.), wet oxidation, catalyzed oxidation, photochemical oxidation, photochemical catalytic oxidation, ultrasonically catalyzing oxidation, advanced bio-oxidation technology or above any two or three, perhaps catalytic oxidation is generally the three-diemsnional electrode catalytic oxidation.Three-diemsnional electrode a kind of in electrochemical process owned by France, it is strong to have the oxidative degradation ability, need not add pharmaceutical chemicals, does not produce secondary pollution, can carry out at normal temperatures and pressures, simple to operate.The three-diemsnional electrode method is more much bigger than the electrode specific surface area of ordinary two dimensional electrode method, and mass transfer velocity and speed of response are fast, current efficiency and spatiotemporal efficiency height, and energy consumption is low, can effectively decolour and dechlorination, improves the biodegradability of waste water.Since in the electrocatalysis process, produce the hydroxyl radical free radical of strong oxidizing property, can be to the quick oxidative degradation of organism.Especially for high slat-containing wastewater, current efficiency is very high, need not to add in addition ionogen.3 D electrode reactor is made up of pond body, negative plate, positive plate, particle-catalytic material etc.
In the above-mentioned treatment process, described coagulating treatment is promptly by adding flocculation agent to remove wherein a part of organism and salinity and suspended substance in trade effluent.Used flocculation agent is aluminium salt, molysite class, organic class or microbial flocculant, is generally polymerize aluminum chloride or polyacrylamide.
In the above-mentioned treatment process, described biochemical treatment is that aerobic process in common knowledge in the industry is (as activated sludge process or based on its innovation technology, oxidation ditch, intermittent activated sludge treatment system, AB method, or biological filter, blodisc, biological contact oxidation pond, biological fluidized bed, stabilization pond, soil processing etc.), perhaps anaerobic technique (such as UASB, EGSB, IC or ASBR etc.) or above both combination process, or membrane biological reactor process (MBR).
Advantage of the present invention is:
Vibrating membrane filtration device provided by the invention can prevent effectively that filtering membrane from stopping up, it is stable to keep water flux, efficiently solve the waste water technical barrier that membrane flux is low and film stops up in membrane filtration processes, make membrane separation technique be able to better application in process for treating industrial waste water, not only improved water treatment efficiency, and reduced cost of water treatment with this.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the one-piece construction synoptic diagram of vibrating membrane filtration device of the present invention;
Fig. 2 is the schematic flow sheet of process for treating industrial waste water of the present invention.
Wherein: 1, base plate; 2, counterweight; 3, clamp mechanism; 4, dense water pipe; 5, water inlet pipe; 6, rising pipe; 7, membrane module; 8, elastic axis; 9, motor; 10, transmission shaft; 11, eccentric block; 12, support.
Embodiment
Embodiment 1: at first in conjunction with a kind of embodiment that Figure 1 shows that vibrating membrane filtration device of the present invention, it is made up of base plate 1, counterweight 2, clamp mechanism 3, dense water pipe 4, water inlet pipe 5, rising pipe 6, membrane module 7, elastic axis 8, motor 9, transmission shaft 10, eccentric block 11 and support 12.Described motor 9 and membrane module 7 all are fixed on the support 12, and described elastic axis 8 vertically is provided with, and its lower end and base plate 1 center are affixed, and the bottom of upper end and membrane module 7 is affixed; Described clamp mechanism 3 is fixed in support 12 middle parts to clamp elastic axis 8; Described counterweight 2 and eccentric block 11 are fixed in both sides, base plate 1 center respectively; The rotating shaft of described motor 9 links to each other with eccentric block 11 through transmission shaft 10; Described water inlet pipe 5 links to each other with the water-in that is arranged on membrane module 7 tops, water outlet respectively with rising pipe 6, dense water pipe 4 then links to each other with the sewage draining exit that is arranged on membrane module 7 bottoms, and membrane module 7 inside are provided with filtering membrane, described filtering membrane can be filtering according to actual needs the waste water situation select in microfiltration membrane, ultra-filtration membrane, nanofiltration membrane, the reverse osmosis membrane any one.And the vibrational frequency of the described membrane module 7 of present embodiment is 30～70Hz, and amplitude is 15～40mm, and the working pressure during membrane filtration is 0.1～10.0MPa.
The described vibrating membrane filtration device of present embodiment, its principle of work is as follows: pending waste water feeds in the membrane module 7 from water inlet pipe 5, motor 9 in the device drives eccentric block 11 by transmission shaft 10 and rotates, cause the swing of base 1, the swing energy is delivered to the membrane module 7 on device top again by elastic axis 8, cause that membrane module 7 ceaselessly swings.This swing can make the filtering membrane in the membrane module 7 constantly vibrate, thereby on the surface of filtering membrane, produce sinusoidal shearing wave, make impurity in the waste water of the filtering membrane of flowing through be in suspended state and enter in the dense water pipe 4 by sewage draining exit, and can not be deposited on the film surface, the clear water after the filtration then extrudes from the rising pipe 6 at device top.So just efficiently solve the waste water technical barrier that membrane flux is low and film stops up in membrane filtration processes, make membrane separation technique be able to better application in process for treating industrial waste water.
The present invention provides a kind of process for treating industrial waste water of the embodiment of utilization 1 described vibrating membrane filtration device simultaneously, in conjunction with shown in Figure 2, this method generalized flowsheet is at first trade effluent to be carried out pre-treatment, and pretreated water outlet is handled by membrane filter appts again, and last water outlet is discharged.Enumerate some wastewater treatment examples below:
Embodiment 2: a kind of process for treating industrial waste water that uses embodiment 1 described vibrating membrane filtration device, described trade effluent is that 70000mg/L, saltiness are 5% for certain pharmacy waste water: COD.Described pharmacy waste water is passed through the 3 D electrode reactor catalyzed oxidation earlier, carry out coagulating sedimentation afterwards, enter vibrating membrane filtration device nanofiltration (filtering membrane employing nanofiltration membrane) again, it is 6000mg/L that water outlet can reach the index that enters biochemical system of customer requirement: COD, saltiness 0.1%.
Embodiment 3: a kind of process for treating industrial waste water that uses embodiment 1 described vibrating membrane filtration device, described trade effluent is that 5000mg/L, saltiness are 5% for certain synthetic wastewater: COD.Described synthetic wastewater earlier by the 3 D electrode reactor catalyzed oxidation, is carried out coagulating sedimentation afterwards, enter vibrating membrane filtration device nanofiltration (filtering membrane employing nanofiltration membrane) again, water outlet COD is 80mg/L, reaches first discharge standard.
Embodiment 4: a kind of process for treating industrial waste water that uses embodiment 1 described vibrating membrane filtration device, described trade effluent is that 2600mg/L, saltiness are 0.4% for certain coking chemical waste water: COD.Described coking chemical waste water earlier by the 3 D electrode reactor catalyzed oxidation, is carried out coagulating sedimentation afterwards, enter vibrating membrane filtration device nanofiltration (filtering membrane employing nanofiltration membrane) again, water outlet COD is 65mg/L, reaches first discharge standard.
Embodiment 5: a kind of process for treating industrial waste water that uses embodiment 1 described vibrating membrane filtration device, described trade effluent is the equalizing tank water outlet of certain refuse leachate: COD is 4000mg/L.The A/O+MBR biochemical process is passed through in the equalizing tank water outlet of described certain refuse leachate earlier, enter vibrating membrane filtration device nanofiltration (filtering membrane employing nanofiltration membrane) again, water outlet COD is 30mg/L, reaches first discharge standard.
Claims (10)
1. vibrating membrane filtration device, it is characterized in that comprising vibration generating apparatus, membrane module (7) that is fixed on the support (12) and the vibration transfer device that connects both, described vibration generating apparatus is motor (9), described vibration transfer device comprises base plate (1), counterweight (2), elastic axis (8), transmission shaft (10) and eccentric block (11), described elastic axis (8) one ends and base plate (1) center are affixed, and the other end and membrane module (7) are affixed; Described counterweight (2) and eccentric block (11) are fixed in base plate (1) both sides, center respectively; The rotating shaft of described motor (9) links to each other with eccentric block (11) through transmission shaft (10); Described membrane module (7) is provided with dense water pipe (4), water inlet pipe (5) and rising pipe (6), and membrane module (7) inside is provided with filtering membrane.
2. vibrating membrane filtration device according to claim 1 is characterized in that also comprising being fixed in the clamp mechanism (3) that is used for clamping elastic axis (8) on the support (12).
3. vibrating membrane filtration device according to claim 1 and 2 is characterized in that described elastic axis (8) vertically is provided with, and its lower end and base plate (1) center is affixed, and the bottom of upper end and membrane module (7) is affixed; And described water inlet pipe (5) links to each other with the water-in, the water outlet that are arranged on membrane module (7) top respectively with rising pipe (6), and dense water pipe (4) then links to each other with the sewage draining exit that is arranged on membrane module (7) bottom.
4. vibrating membrane filtration device according to claim 1, the vibrational frequency that it is characterized in that described membrane module (7) is 30～70Hz, and amplitude is 15～40mm, and the working pressure during membrane filtration is 0.1～10.0MPa.
5. according to claim 1 or 4 described vibrating membrane filtration devices, it is characterized in that described filtering membrane is a microfiltration membrane, perhaps ultra-filtration membrane, perhaps nanofiltration membrane, perhaps reverse osmosis membrane.
6. technique for treating industrial wastewater that uses the described vibrating membrane filtration device of claim 1, comprise at first trade effluent is carried out pre-treatment, pretreated water outlet is handled by membrane filter appts again, and last water outlet is discharged or carried out follow-up advanced treatment again; Wherein pre-treatment is that advanced oxidation is handled, perhaps coagulating treatment, perhaps biochemical treatment, the combined treatment of any two kinds or three kinds in perhaps above three kinds of modes; It is characterized in that described membrane filter appts adopts vibrating membrane filtration device, membrane module (7) in the described vibrating membrane filtration device is ceaselessly swung, make the filtering membrane vibration in the membrane module (7), on filter membrane surface, produce sinusoidal shearing wave, thereby make impurity in the water be in suspended state and enter in the dense water pipe (4), and can not be deposited on the film surface.
7. technique for treating industrial wastewater according to claim 6, it is characterized in that described advanced oxidation is treated to the combination oxidation of one or any two or three in chemical oxidation, wet oxidation, catalyzed oxidation, photochemical oxidation, photochemical catalytic oxidation, ultrasonically catalyzing oxidation, the advanced bio-oxidation technology, or catalytic oxidation.
8. technique for treating industrial wastewater according to claim 6, it is characterized in that described coagulating treatment promptly by adding flocculation agent to remove wherein a part of organism and salinity and suspended substance in trade effluent, used flocculation agent is aluminium salt, molysite class, organic class or microbial flocculant.
9. biochemical treatment according to claim 6 is an aerobic process, perhaps anaerobic technique, perhaps both combination procesies, perhaps membrane biological reactor process, wherein said aerobic process is an activated sludge process or based on its innovation technology, oxidation ditch, intermittent activated sludge treatment system, AB method, or handle biological filter, blodisc, biological contact oxidation pond, biological fluidized bed, stabilization pond, soil; Described anaerobic technique is UASB, EGSB, IC or ASBR.
10. technique for treating industrial wastewater according to claim 6 is characterized in that described trade effluent is meant high organic concentration waste water, perhaps high salt concentration waste water, perhaps used water difficult to degradate, or the waste water with above both or three's feature.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102068910A (en) * | 2010-09-29 | 2011-05-25 | 苏州顶裕节能设备有限公司 | Device for cleaning integrated water treatment machine |
| CN102350219A (en) * | 2011-07-04 | 2012-02-15 | 东莞市威迪膜科技有限公司 | Membrane module for overfrequency vibration separation device |
| CN102350218A (en) * | 2011-07-04 | 2012-02-15 | 东莞市威迪膜科技有限公司 | Over-frequency vibrating separator and separating system |
| CN102600723A (en) * | 2012-03-28 | 2012-07-25 | 张家港睿能科技有限公司 | Water filter and water filtering device |
| CN103058355A (en) * | 2012-11-13 | 2013-04-24 | 浙江省海洋开发研究院 | Anti-blockage three-phase biological fluidized bed |
| CN103894069A (en) * | 2012-12-29 | 2014-07-02 | 苏州众禹环境科技有限公司 | High-frequency vibrating membrane processor for solid liquid separation |
| CN104324620A (en) * | 2014-10-16 | 2015-02-04 | 国家海洋局第三海洋研究所 | Electric strengthening water filter |
| CN104355431A (en) * | 2014-11-12 | 2015-02-18 | 湖北加德科技股份有限公司 | Device capable of efficiently treating and recycling reverse osmosis concentrated water and high-salt wastewater |
| CN104925902A (en) * | 2015-06-12 | 2015-09-23 | 宜兴市馨德环保科技有限公司 | Double-motor torsion bar type ultra-micro segregator |
| CN105461018A (en) * | 2016-01-07 | 2016-04-06 | 石勇 | Novel membrane filtration method and device adopting same |
| CN106830189A (en) * | 2016-12-29 | 2017-06-13 | 苏州新众禹环境科技有限公司 | A kind of ceramic membrane vibration separate equipment |
| CN107226530A (en) * | 2017-06-13 | 2017-10-03 | 汤波 | A kind of efficient denitrification integrated apparatus |
| CN109851097A (en) * | 2019-02-15 | 2019-06-07 | 北京今大禹环境技术股份有限公司 | A method of using organic matter in ultrasound-electrocatalytic oxidation-ultrafiltration group technology processing reverse osmosis concentrated water |
| CN116272370A (en) * | 2023-05-12 | 2023-06-23 | 山东奈尔润滑科技有限公司 | Lubricating oil filtering and recycling device |
| CN116764439A (en) * | 2023-08-21 | 2023-09-19 | 河南慧泽生物工程有限公司 | Purification collection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102068910A (en) * | 2010-09-29 | 2011-05-25 | 苏州顶裕节能设备有限公司 | Device for cleaning integrated water treatment machine |
| CN102350219A (en) * | 2011-07-04 | 2012-02-15 | 东莞市威迪膜科技有限公司 | Membrane module for overfrequency vibration separation device |
| CN102350218A (en) * | 2011-07-04 | 2012-02-15 | 东莞市威迪膜科技有限公司 | Over-frequency vibrating separator and separating system |
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| CN102600723A (en) * | 2012-03-28 | 2012-07-25 | 张家港睿能科技有限公司 | Water filter and water filtering device |
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| CN103058355B (en) * | 2012-11-13 | 2014-01-08 | 浙江省海洋开发研究院 | Anti-blockage three-phase biological fluidized bed |
| CN103894069A (en) * | 2012-12-29 | 2014-07-02 | 苏州众禹环境科技有限公司 | High-frequency vibrating membrane processor for solid liquid separation |
| CN104324620A (en) * | 2014-10-16 | 2015-02-04 | 国家海洋局第三海洋研究所 | Electric strengthening water filter |
| CN104355431A (en) * | 2014-11-12 | 2015-02-18 | 湖北加德科技股份有限公司 | Device capable of efficiently treating and recycling reverse osmosis concentrated water and high-salt wastewater |
| CN104925902A (en) * | 2015-06-12 | 2015-09-23 | 宜兴市馨德环保科技有限公司 | Double-motor torsion bar type ultra-micro segregator |
| CN105461018A (en) * | 2016-01-07 | 2016-04-06 | 石勇 | Novel membrane filtration method and device adopting same |
| CN106830189A (en) * | 2016-12-29 | 2017-06-13 | 苏州新众禹环境科技有限公司 | A kind of ceramic membrane vibration separate equipment |
| CN107226530A (en) * | 2017-06-13 | 2017-10-03 | 汤波 | A kind of efficient denitrification integrated apparatus |
| CN109851097A (en) * | 2019-02-15 | 2019-06-07 | 北京今大禹环境技术股份有限公司 | A method of using organic matter in ultrasound-electrocatalytic oxidation-ultrafiltration group technology processing reverse osmosis concentrated water |
| CN116272370A (en) * | 2023-05-12 | 2023-06-23 | 山东奈尔润滑科技有限公司 | Lubricating oil filtering and recycling device |
| CN116272370B (en) * | 2023-05-12 | 2023-07-28 | 山东奈尔润滑科技有限公司 | Lubricating oil filtering and recycling device |
| CN116764439A (en) * | 2023-08-21 | 2023-09-19 | 河南慧泽生物工程有限公司 | Purification collection device |
| CN116764439B (en) * | 2023-08-21 | 2023-11-03 | 河南慧泽生物工程有限公司 | Purification collection device |
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Open date: 20100818 |