CN202440409U - Membrane bioreactor front-arranged pretreatment device - Google Patents
Membrane bioreactor front-arranged pretreatment device Download PDFInfo
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- CN202440409U CN202440409U CN2012200572295U CN201220057229U CN202440409U CN 202440409 U CN202440409 U CN 202440409U CN 2012200572295 U CN2012200572295 U CN 2012200572295U CN 201220057229 U CN201220057229 U CN 201220057229U CN 202440409 U CN202440409 U CN 202440409U
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Abstract
Provided is a membrane bioreactor front-arranged pretreatment device. The membrane bioreactor front-arranged pretreatment device comprises an activated sludge aeration tank (1), an efficient precipitator (6), a scum collector (14) and a membrane bioreactor (20), The membrane bioreactor front-arranged pretreatment device is characterized in that the output end of the activated sludge aeration tank (1) is communicated with the inlet pipe of an internal rotation flow barrel (7) in the efficient precipitator (6). The scum collector (14) is installed on the upper portion of the effective precipitator (6) and communicated with the inner chamber of the effective precipitator. A sludge bucket (12) is arranged on the lower portion of the effective precipitator (6), a sludge valve (17) is installed on the bottom of the sludge bucket (12), and precipitated activated sludge in the sludge bucket (12) is discharged into the activated sludge aeration tank (1) through the sludge valve (17). A liquid discharge bucket (11) is installed on the upper portion of the internal rotation flow barrel (7) in the effective precipitator (6) and the liquid discharge bucket (11) is communicated with the water inlet of the membrane bioreactor (20) through a pipe. The membrane bioreactor front-arranged pretreatment device is compact in structure, small in occupied area, reagents and energy saving, high in purification efficiency, easy and simple to manipulate and stable in operation.
Description
Technical field
The utility model relates to a kind of waste disposal plant; Especially a kind of membrane biological reaction sewage disposal device; Specifically a kind of biological sludge and the scum silica frost that can remove effectively in the waste water; Prevent that the film in the membrane bioreactor from stopping up, reduce the cleaning and the medicine consumption of film, improve the preposition pretreatment unit of membrane bioreactor of the purification efficiency of waste water.
Background technology
At present, contain a certain amount of pollutent in industry and the sanitary wastewater, a kind of purification process that adopts at present is activated sludge process+membrane bioreactor (MBR) facture; Reach the miscellaneous water reuse standard after making wastewater treatment, contain biological sludge in the mixed solution of active sludge aeration tank, general sludge concentration is 3～5g/L; Biological sludge has certain toughness, and when in the aeration tank mixed solution gets into membrane bioreactor, handling, the biological sludge that has viscosity in a large number will be attached to the surface of film; Fenestra is constantly stopped up, and water flux reduces, and relies on frequent dosing at present and cleans solution; The power consumption of cleaning process consumption medicine not only influences waste water treatment efficiency, also influences the work-ing life of film; Get into membrane bioreactor to the contained biological sludge of active sludge aeration tank mixed solution and cause the film blocking problem, designed the preposition pretreatment unit of a kind of membrane bioreactor, remove biological sludge and the scum silica frost in the mixed solution within a short period of time (35 minutes); Effectively prevent the obstruction of film, reduce the film backwash frequency, save backwash medicament and energy consumption; Prolong film work-ing life, improve waste water treatment efficiency.
Summary of the invention
The purpose of the utility model is to get into membrane bioreactor to the contained biological sludge of active sludge aeration tank mixed solution to cause the film blocking problem, design a kind of be used for to the sewage that gets into membrane reactor carry out pre-treatment and can reduce obstruction and prolongation membrane reactor work-ing life the preposition pretreatment unit of membrane bioreactor.
The technical scheme of the utility model is:
The preposition pretreatment unit of a kind of membrane bioreactor; It comprises active sludge aeration tank 1, efficient settling vessel 6, scum collector 14 and membrane bioreactor 20; The output terminal that it is characterized in that active sludge aeration tank 1 is connected with interior whirl cylinder 7 inlet pipes in the efficient settling vessel 6; Scum collector 14 be installed in efficient settling vessel 6 top and with its intracavity inter-connection; The bottom of efficient settling vessel 6 is provided with sludge bucket 12, and the bottom of sludge bucket 12 is equipped with mud valve 17, and sedimentary active sludge enters in the active sludge aeration tank 1 through mud valve 17 in the sludge bucket 12; Interior whirl cylinder 7 tops in efficient settling vessel 6 are equipped with tapping bucket 11, and tapping bucket 11 is connected through the water-in of pipeline with membrane bioreactor 20.
1 top, described active sludge aeration tank is equipped with lift pump 2, is separately installed with tensimeter 3, under meter 4 and motor-operated control valve 5 on the outlet conduit of lift pump 2.
The bottom of the interior whirl cylinder 7 in the described efficient settling vessel 6 is provided with taper reflector 8 and high fine and close sludge blanket 9; Taper reflector 8 and high fine and close sludge blanket 9 are positioned at the top of sludge bucket 12; The top of high fine and close sludge blanket 9 is equipped with eddy flow swash plate 10; The water-in of whirl cylinder 7 in the vertex of eddy flow swash plate 10 should be lower than also is equipped with water sample monitoring sampling valve 13 in the side of efficient settling vessel 6.
The bottom of described scum collector 14 is adopted Y-tube to link to each other with efficient settling vessel 6 tops and scum silica frost bleed valve 16 is installed, and scum silica frost is regularly discharged by scum silica frost bleed valve 16, and scum collector 14 tops are equipped with vapor pipe 15.
The inner tapping bucket of described membrane bioreactor 20 water-ins and efficient settling vessel 6 11 links to each other through pipeline, and pipelining highly should be lower than scum collector 14 tops, and micro-vent valve 18 and motor-operated control valve 19 are installed on its pipeline.
The beneficial effect of the utility model:
1, the utility model adopts cyclone separation process, make active sludge aeration tank mixed solution get into along the whirl cylinder tangential direction with certain speed in the whirl cylinder cohesion that under centrifugal action, from top to bottom produces mud in the mixed solution with separate.
2, the utility model adopts the high density sludge layer as the contact medium filtering technique; Mixed solution gets into the bottom of high density sludge layer from bottom to top through the high density sludge layer after rotational flow separation; Filter as contact medium with the high density sludge layer; The suspended particle of mixed solution is held back, and this not only continues to increase the density of high density sludge layer, and waste water is purified.
3, the utility model adopts eddy flow inclined plate sedimentation technology, at settling vessel the gravity settling that the eddy flow swash plate can quicken suspended particulate is set, and the short clarification time of speed, improves decontamination effect improving.
4, the utility model adopts mud compression precipitating mechanism, in the high efficiency water purifier bottom sludge bucket is set, and makes unnecessary mud carry out compression precipitating and discharging.
5, the utility model adopts the automatic collection technique of scum silica frost; Regular meeting produces a small amount of scum silica frost in the mixed solution of active sludge aeration tank; Staple is aging mud and minute quantity oil slick in the scum silica frost, for reaching decontamination effect improving, on efficient settling vessel top scum collector is set; Realize discharging automatically, avoid scum silica frost to get into the harm that membrane bioreactor causes film.
6, the utility model adopts integrated combination technique; Spinning, high fine and close sludge blanket contact percolation, gravity settling, eddy flow inclined plate sedimentation, the scum silica frost of mixed solution short period (35 minutes) completion mixed solution muddy water in same tank body collected automatically, the scavenging process of mud compression precipitating; Effectively remove the biological sludge in the mixed solution; Prevent the obstruction of bio-reactor pond inner membrance, reduce the film backwash frequency, prolong film work-ing life.
7, the utility model compact construction takes up an area of and lacks, and saves medicament and energy consumption.
8, the utility model purification efficiency is high, and is easy and simple to handle, stable.
Description of drawings
Fig. 1 is that the system of the utility model forms structural representation.
Among Fig. 1: 1 is the active sludge aeration tank, and 2 is lift pump, and 3 is tensimeter, and 4 is under meter, and 5 is motor-operated control valve; 6 is efficient settling vessel, and 7 is interior whirl cylinder, and 8 are the taper reflector, and 9 is high fine and close sludge blanket, and 10 is the eddy flow swash plate; 11 is tapping bucket, and 12 is sludge bucket, and 13 are water sample monitoring sampling valve, and 14 is scum collector, and 15 is vapor pipe; 16 is the scum silica frost bleed valve, and 17 is mud valve, and 18 is micro-vent fan, and 19 is motor-operated control valve, and 20 is membrane bioreactor.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in Figure 1.
The preposition pretreatment unit of a kind of membrane bioreactor, it is mainly linked to each other through pipeline by active sludge aeration tank 1, efficient settling vessel 6, scum collector 14 and membrane bioreactor 20 and forms, and is as shown in Figure 1.1 top, active sludge aeration tank is equipped with lift pump 2; Be separately installed with tensimeter 3, under meter 4 and motor-operated control valve 5 on the outlet conduit of lift pump 2; Waste water in the active sludge aeration tank 1 is promoted in interior whirl cylinder 7 inlet pipes in the efficient settling vessel 6 through lift pump 2; The bottom of interior whirl cylinder 7 is provided with taper reflector 8 and high fine and close sludge blanket 9, and taper reflector 8 and high fine and close sludge blanket 9 are positioned at the top of sludge bucket 12, and the top of high fine and close sludge blanket 9 is provided with eddy flow swash plate 10; The water-in of whirl cylinder 7 in the installation site of eddy flow swash plate 10 should be lower than also is equipped with water sample monitoring sampling valve 13 in the side of efficient settling vessel 6.Scum collector 14 passes through the intracavity inter-connection of T-valve and efficient settling vessel 6, a logical scum silica frost bleed valve 16 that is equipped with of Y-tube, and scum silica frost is by regularly discharge of scum silica frost bleed valve 16, and scum collector 14 tops are equipped with vapor pipe 15.The bottom of efficient settling vessel 6 also is provided with sludge bucket 12, and the bottom of sludge bucket 12 is equipped with mud valve 17, and sedimentary active sludge enters in the active sludge aeration tank 1 through mud valve 17 in the sludge bucket 12; Interior whirl cylinder 7 tops in efficient settling vessel 6 are equipped with tapping bucket 11; Tapping bucket 11 is connected through the water-in of pipeline with membrane bioreactor 20; Its pipelining height should be lower than 150 millimeters at scum collector 14 tops, and micro-vent valve 18 and motor-operated control valve 19 are installed on its pipeline.
The utility model does not relate to all identical with the prior art prior art that maybe can adopt of part to be realized.
Claims (5)
1. preposition pretreatment unit of membrane bioreactor; It comprises active sludge aeration tank (1), efficient settling vessel (6), scum collector (14) and membrane bioreactor (20); The output terminal that it is characterized in that active sludge aeration tank (1) is connected with interior whirl cylinder (7) inlet pipe in the efficient settling vessel (6); Scum collector (14) be installed in efficient settling vessel (6) top and with its intracavity inter-connection; The bottom of efficient settling vessel (6) is provided with sludge bucket (12), and the bottom of sludge bucket (12) is equipped with mud valve (17), and sedimentary active sludge enters in the active sludge aeration tank (1) through mud valve (17) in the sludge bucket (12); Interior whirl cylinder (7) top in efficient settling vessel (6) is equipped with tapping bucket (11), and tapping bucket (11) is connected through the water-in of pipeline with membrane bioreactor (20).
2. the preposition pretreatment unit of membrane bioreactor according to claim 1; It is characterized in that top, described active sludge aeration tank (1) is equipped with lift pump (2), is separately installed with tensimeter (3), under meter (4) and motor-operated control valve (5) on the outlet conduit of lift pump (2).
3. the preposition pretreatment unit of membrane bioreactor according to claim 1; The bottom that it is characterized in that the interior whirl cylinder (7) in the described efficient settling vessel (6) is provided with taper reflector (8) and high fine and close sludge blanket (9); Taper reflector (8) and high fine and close sludge blanket (9) are positioned at the top of sludge bucket (12); The top of high fine and close sludge blanket (9) is equipped with eddy flow swash plate (10); The vertex of eddy flow swash plate (10) should be lower than the water-in of interior whirl cylinder (7), and water sample monitoring sampling valve (13) also is installed in the side of efficient settling vessel (6).
4. the preposition pretreatment unit of membrane bioreactor according to claim 1; The bottom that it is characterized in that described scum collector (14) is adopted Y-tube to link to each other with efficient settling vessel (6) top and scum silica frost bleed valve (16) is installed; Scum silica frost is regularly discharged by scum silica frost bleed valve (16), and scum collector (14) top is equipped with vapor pipe (15).
5. the preposition pretreatment unit of membrane bioreactor according to claim 1; It is characterized in that described membrane bioreactor (20) water-in links to each other through pipeline with the inner tapping bucket (11) of efficient settling vessel (6); The pipelining height should be lower than scum collector (14) top, and micro-vent valve (18) and motor-operated control valve (19) are installed on its pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200572295U CN202440409U (en) | 2012-02-22 | 2012-02-22 | Membrane bioreactor front-arranged pretreatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200572295U CN202440409U (en) | 2012-02-22 | 2012-02-22 | Membrane bioreactor front-arranged pretreatment device |
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| CN202440409U true CN202440409U (en) | 2012-09-19 |
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| CN2012200572295U Expired - Fee Related CN202440409U (en) | 2012-02-22 | 2012-02-22 | Membrane bioreactor front-arranged pretreatment device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420433A (en) * | 2013-08-19 | 2013-12-04 | 毛颖艳 | Modified efficient sewage treatment tank |
| CN103755100A (en) * | 2014-01-21 | 2014-04-30 | 重庆林德科技发展有限公司 | Method for solving membrane bio-reactor (MBR) membrane blocking and composite MBR membrane bio-reaction system |
| CN104843858A (en) * | 2015-05-21 | 2015-08-19 | 浙江清华长三角研究院 | Sewage treatment system and operation method thereof |
| CN105347554A (en) * | 2015-11-18 | 2016-02-24 | 北京朗新明环保科技有限公司南京分公司 | Lime-gypsum wet desulphurization wastewater sludge separation and reduction processing device |
| CN105948235A (en) * | 2016-06-23 | 2016-09-21 | 肇庆市鹏凯环保装备有限公司 | Cyclone membrane bioreaction equipment |
| CN109293150A (en) * | 2018-10-29 | 2019-02-01 | 重庆市沃利克环保设备有限公司 | Integrated sewage treating apparatus based on MBR film |
-
2012
- 2012-02-22 CN CN2012200572295U patent/CN202440409U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420433A (en) * | 2013-08-19 | 2013-12-04 | 毛颖艳 | Modified efficient sewage treatment tank |
| CN103420433B (en) * | 2013-08-19 | 2015-05-06 | 毛颖艳 | Modified efficient sewage treatment tank |
| CN103755100A (en) * | 2014-01-21 | 2014-04-30 | 重庆林德科技发展有限公司 | Method for solving membrane bio-reactor (MBR) membrane blocking and composite MBR membrane bio-reaction system |
| CN103755100B (en) * | 2014-01-21 | 2015-04-22 | 重庆林德科技发展有限公司 | Method for solving membrane bio-reactor (MBR) membrane blocking and composite MBR membrane bio-reaction system |
| CN104843858A (en) * | 2015-05-21 | 2015-08-19 | 浙江清华长三角研究院 | Sewage treatment system and operation method thereof |
| CN104843858B (en) * | 2015-05-21 | 2016-10-05 | 浙江清华长三角研究院 | A kind of sewage disposal system and operation method thereof |
| CN105347554A (en) * | 2015-11-18 | 2016-02-24 | 北京朗新明环保科技有限公司南京分公司 | Lime-gypsum wet desulphurization wastewater sludge separation and reduction processing device |
| CN105948235A (en) * | 2016-06-23 | 2016-09-21 | 肇庆市鹏凯环保装备有限公司 | Cyclone membrane bioreaction equipment |
| CN109293150A (en) * | 2018-10-29 | 2019-02-01 | 重庆市沃利克环保设备有限公司 | Integrated sewage treating apparatus based on MBR film |
| CN109293150B (en) * | 2018-10-29 | 2021-08-06 | 重庆市沃利克环保设备有限公司 | Integration sewage treatment device based on MBR membrane |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20200222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |