CN203890195U - Domestic sewage treatment device - Google Patents
Domestic sewage treatment device Download PDFInfo
- Publication number
- CN203890195U CN203890195U CN201420269404.6U CN201420269404U CN203890195U CN 203890195 U CN203890195 U CN 203890195U CN 201420269404 U CN201420269404 U CN 201420269404U CN 203890195 U CN203890195 U CN 203890195U
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- China
- Prior art keywords
- mbr membrane
- membrane module
- cleaning device
- mbr
- waste disposal
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Abstract
The utility model discloses a domestic sewage treatment device which comprises an aeration adjusting tank, a MBR (Membrane Biological Reactor) membrane tank, an activated carbon filtering tank, a recycled water tank and a variable frequency water supply set which are arranged in sewage, wherein the MBR membrane tank is internally provided with an MBR membrane component and a second aerator; a transverse gas scrubbing device is arranged on the MBR membrane component; an MBR membrane component bleaching device and a second blower are arranged outside the MBR membrane tank; the MBR membrane component bleaching device is connected with the MBR membrane component; the second blower is respectively connected with the MBR membrane component, the second aerator and the transverse gas scrubbing device; an automatic sucking pump is respectively connected with the MBR membrane tank and the MBR membrane component bleaching device. In addition to an automatic washing device at the bottom of the MBR membrane tank, the transverse gas scrubbing device of the MBR membrane component is independently arranged, so that sewage can be continuously and effectively treated, and both the MBR membrane component is kept be in good permeability, and the service life and the bleaching time of the MBR membrane component are prolonged.
Description
Technical field
The utility model relates to sanitary sewage disposal technical field, refers to especially a kind of MBR membrane bioreactor sewage treatment unit.
Background technology
Membrane bioreactor (MBR) has now been widely used in sewage treatment area, MBR membrane reactor has merged the biological degradation function of traditional biological treatment technology and the high efficiency separation function of membrane separation technique, has the significant advantages such as, stable effluent quality high to detersive efficiency, simple to operation and floor space be few.But, after MBR biofilm reactor work for some time, can stop up the fenestra of flat sheet membrane, affect the permeability of flat sheet membrane, if MBR film sludge loading is too high, not only can not ensure the clearance of pollutent, the contrary pollution that also can promote and aggravate film, therefore film must clean timely.In prior art, MBR membrane cisterna bottom is provided with automatic flushing device, though such design can be cleaned, it is slow that but film pollutes cleaning speed, clean not thoroughly, need halt system operation after needing for some time, independent MBR membrane module is carried out to medicine and wash, repeat to close and open main equipment, reduced the work-ing life of equipment.How MBR membrane module effectively being cleaned, is the technical problem of needing at present solution badly.
Utility model content
The utility model proposes one way of life waste disposal plant, the problems referred to above that exist for solving background technology.
The technical scheme that the utility model is taked is as follows:
One way of life waste disposal plant, comprise and setting gradually: aerating regulation pond, MBR membrane cisterna, activated carbon filtration tank, reuse pool and variable frequency water supply unit, aerating regulation pond is connected with a side of MBR membrane cisterna through sewage pump, and the opposite side of MBR membrane cisterna is connected with activated carbon filtration tank through vacuum primingpump;
The ingress in aerating regulation pond is provided with mechanical grille, is provided with the first aerator in aerating regulation pond, and aerating regulation pond is outside equipped with the first gas blower being connected with the first aerator;
In MBR membrane cisterna, be provided with MBR membrane module and the second aerator, on MBR membrane module, be provided with horizontal gas swab; MBR membrane cisterna is outside equipped with MBR membrane module medicine cleaning device and the second gas blower, MBR membrane module medicine cleaning device is connected with MBR membrane module, the second gas blower is connected with MBR membrane module, the second aerator and horizontal gas swab respectively, and vacuum primingpump is connected with MBR membrane cisterna and MBR membrane module medicine cleaning device respectively.
Preferably, MBR membrane module is made up of multiple strut members of vertically placing and the beautiful PVDF flat sheet membrane in east that is arranged on multiple strut member both side surface, is evenly provided with the hole of aperture 0.1～0.001 μ m in eastern beautiful PVDF flat sheet membrane.
Preferably, laterally gas swab is the main road that is arranged on MBR membrane module both sides, is provided with the small transfer line of vertical distribution on two main roads, is provided with the hole that several diameters that longitudinally distribute are 2mm on small transfer line, and the spacing in adjacent two holes is 50mm.
Preferably, main road is separately positioned on the horizontal plane at MBR membrane module upper surface or bottom surface place, the main road of MBR membrane module upper surface is provided with small transfer line vertically downward, on the main road of MBR membrane module bottom surface, be provided with small transfer line vertically upward, small transfer line is all arranged on the both sides of eastern beautiful PVDF flat sheet membrane.
Preferably, between vacuum primingpump and MBR membrane cisterna, be also provided with pressure transmitter, MBR membrane module medicine cleaning device comprises clorox medicine cleaning device and citric acid medicine cleaning device, and in MBR membrane module medicine cleaning device and MBR membrane cisterna, waterhead is 0.5～1m.
Preferably, between aerating regulation pond and sewage pump, be provided with hair interceptor.
Preferably, the bottom of MBR membrane cisterna is also provided with sludge reflux pump, and sludge reflux pump is connected with aerating regulation pond through pipeline.
Preferably, also comprise sterilizing unit, sterilizing unit is arranged between activated carbon filtration tank and reuse pool, and sterilizing unit is the sterilizing unit taking clorox as sterilizing agent.
Preferably, also comprise chlorine residue on-line monitoring instrument, chlorine residue on-line monitoring instrument is connected with sterilizing unit and reuse pool respectively.
The utility model is except arranging automatic flushing device in MBR membrane cisterna bottom, also be provided with separately the horizontal gas swab of MBR membrane module, therefore can continue, process efficiently sanitary sewage, the permeability that can make MBR membrane module keep, the duration of service and the medicine that have extended again MBR membrane module are washed the time.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the one way of life waste disposal plant that the utility model proposes;
Fig. 2 be in Fig. 1 MBR membrane module and laterally gas swab schematic diagram is set.
In figure:
1, aerating regulation pond; 11, the first gas blower; 12, the first aerator; 13, mechanical grille; 2, MBR membrane cisterna; 21, MBR membrane module; 211, eastern beautiful PVDF flat sheet membrane; 211-1, main road; 211-2, small transfer line; 211-3, hole; 22, the second gas blower; 23, the second aerator; 24, MBR membrane module medicine cleaning device; 25, sludge reflux pump; 3, activated carbon filtration tank; 31, sterilizing unit; 32, chlorine residue on-line monitoring instrument; 4, reuse pool; 51, working shaft; 52, air pressure tank; 6, hair interceptor; 7, sewage pump; 8, vacuum primingpump; 81, pressure transmitter.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Fig. 1 and Fig. 2 are common: one way of life waste disposal plant, comprise and setting gradually: aerating regulation pond 1, MBR membrane cisterna 2, activated carbon filtration tank 3, reuse pool 4 and variable frequency water supply unit, aerating regulation pond 1 is connected with a side of MBR membrane cisterna 2 through sewage pump 7, and the opposite side of MBR membrane cisterna 2 is connected with activated carbon filtration tank 3 through vacuum primingpump 8;
The ingress in aerating regulation pond 1 is provided with mechanical grille 13, is provided with the first aerator 12 in aerating regulation pond 1, and aerating regulation pond 1 is outside equipped with the first gas blower 11 being connected with the first aerator 12;
In MBR membrane cisterna 2, be provided with MBR membrane module 21 and the second aerator 23, on MBR membrane module 21, be provided with horizontal gas swab; MBR membrane cisterna 2 is outside equipped with MBR membrane module medicine cleaning device 24 and the second gas blower 22, MBR membrane module medicine cleaning device 24 is connected with MBR membrane module 21, the second gas blower 22 is connected with MBR membrane module 21, the second aerator 23 and horizontal gas swab respectively, and vacuum primingpump 8 is connected with MBR membrane cisterna 2 and MBR membrane module medicine cleaning device 24 respectively.
The sewage treatment unit the utility model proposes, its MBR membrane module 21 is provided with the online washing unit of two covers, one is the second aerator 23 that is positioned at MBR membrane cisterna 2 bottoms, one is to be positioned on MBR membrane module 21, to be provided with horizontal gas swab, this two covers washing unit can be realized MBR membrane module 21 laterally and longitudinal dual cleaning, cleaning speed is fast and effective, has effectively extended the cycle that medicine is washed; This Sewage treatment systems is also provided with MBR membrane module medicine cleaning device 24, can when MBR membrane module needs medicine to wash, carry out medicine and wash, and medicine washes into rear unlatching vacuum primingpump 8 and sewage can be discharged, without dismounting, easy to operate.
As the preferred technical scheme of one, an embodiment more of the present utility model, MBR membrane module 21 is made up of multiple strut members of vertically placing and the beautiful PVDF flat sheet membrane 211 in east that is arranged on multiple strut member both side surface, is evenly provided with the hole of aperture 0.1～0.001 μ m in eastern beautiful PVDF flat sheet membrane 211.
As the preferred technical scheme of one, another embodiment of the present utility model, laterally gas swab is the main road 211-1 that is arranged on MBR membrane module 21 both sides, on two main road 211-1, be provided with the small transfer line 211-2 of vertical distribution, on small transfer line 211-2, be provided with the hole 211-3 that several diameters that longitudinally distribute are 2mm, the spacing of adjacent two hole 211-3 is 50mm.
As the preferred technical scheme of one, another embodiment of the present utility model, main road 211-1 is separately positioned on the horizontal plane at MBR membrane module 21 upper surfaces or bottom surface place, the main road 211-1 of MBR membrane module 21 upper surfaces is provided with small transfer line 211-2 vertically downward, on the main road 211-1 of MBR membrane module 21 bottom surfaces, be provided with small transfer line 211-2 vertically upward, small transfer line 211-2 is all arranged on the both sides of eastern beautiful PVDF flat sheet membrane 211.
By horizontal gas swab is set, can be in east the gap of beautiful PVDF flat sheet membrane 211 form three-dimensional crossflow, beautiful PVDF flat sheet membrane 211 surfaces, east are purged, the mud that is adsorbed on film surface is taken away to this region.This work can be carried out in the time of 21 intermitten service of MBR membrane module, can not impact normal MBR membrane module 21 operations.The second aerator 23 can longitudinally be cleaned, and laterally gas swab can laterally be cleaned, and by horizontal, the longitudinally alternately scouring of varying strength are set, can effectively improve the cleaning efficiency on film surface.Find after deliberation: the both sides that small transfer line 211-2 closes on eastern beautiful PVDF flat sheet membrane 211 arrange, and the air output on small transfer line 211-2 is at 30～35L/min, and going out atmospheric pressure is 0.6～0.8MPa, and when scouring time 1～2min, cleaning performance is better.
As the preferred technical scheme of one, an embodiment more of the present utility model, between vacuum primingpump 8 and MBR membrane cisterna 2, be also provided with pressure transmitter 81, MBR membrane module medicine cleaning device 24 comprises clorox medicine cleaning device and citric acid medicine cleaning device, and MBR membrane module medicine cleaning device 24 is 0.5～1m with the interior waterhead of MBR membrane cisterna 2.
The MBR membrane module medicine cleaning device 24 the utility model proposes adopts the PE material explosive barrel of 500L volume, MBR membrane module medicine cleaning device 24 is 0.5～1m with the interior waterhead of MBR membrane cisterna 2, explosive barrel is connected with MBR membrane module 21 by drug pipeline, on drug pipeline, be provided with corrosion resistant motorized valve (not marking), can control its switch.Between vacuum primingpump 8 and MBR membrane cisterna 2, be also provided with pressure transmitter 81, when pressure transmitter 81 shows the poor 30KPa of being greater than of mould, represent that latch up phenomenon appears in MBR membrane module 21, need to carry out medicine and wash.Now, stop the operation of vacuum primingpump 8, close the outlet conduit on MBR membrane cisterna 2, open the motorized valve (not marking) on MBR membrane module medicine cleaning device 24 drug pipelines, due to difference of altitude, the inner chamber that liquid flows into eastern beautiful PVDF flat sheet membrane 211 automatically starts soaking and washing, after cleaning for some time, closes the motorized valve (not marking) on drug pipeline, open MBR membrane cisterna 2 outlet conduit wash water valves (not marking), open vacuum primingpump 8 by liquid discharge system.Certainly, the open and close of these actions also can be carried out automatic red-tape operati by PLC programmable logic controller (not marking).
As the preferred technical scheme of one, another embodiment of the present utility model, is provided with hair interceptor 6 between aerating regulation pond 1 and sewage pump 7.
As the preferred technical scheme of one, another embodiment of the present utility model, the bottom of MBR membrane cisterna 2 is also provided with sludge reflux pump 25, and sludge reflux pump 25 is connected with aerating regulation pond 1 through pipeline.
As the preferred technical scheme of one, an embodiment more of the present utility model, also comprises sterilizing unit 31, and sterilizing unit 31 is arranged between activated carbon filtration tank 3 and reuse pool 4, and sterilizing unit 31 is the sterilizing unit taking clorox as sterilizing agent.
As the preferred technical scheme of one, an embodiment more of the present utility model, also comprises chlorine residue on-line monitoring instrument 32, and chlorine residue on-line monitoring instrument 32 is connected with sterilizing unit 31 and reuse pool 4 respectively.
The utility model is except arranging automatic flushing device in MBR membrane cisterna bottom, also be provided with separately the horizontal gas swab of MBR membrane module, therefore can continue, dispose of sewage efficiently, the permeability that can make MBR membrane module keep, the duration of service and the medicine that have extended again MBR membrane module are washed the time.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. one way of life waste disposal plant, it is characterized in that, comprise and setting gradually: aerating regulation pond (1), MBR membrane cisterna (2), activated carbon filtration tank (3), reuse pool (4) and variable frequency water supply unit, described aerating regulation pond (1) is connected with a side of described MBR membrane cisterna (2) through sewage pump (7), and the opposite side of described MBR membrane cisterna (2) is connected with described activated carbon filtration tank (3) through vacuum primingpump (8);
The ingress in described aerating regulation pond (1) is provided with mechanical grille (13), in described aerating regulation pond (1), be provided with the first aerator (12), described aerating regulation pond (1) is outside equipped with the first gas blower (11) being connected with described the first aerator (12);
In described MBR membrane cisterna (2), be provided with MBR membrane module (21) and the second aerator (23), on described MBR membrane module (21), be provided with horizontal gas swab; Described MBR membrane cisterna (2) is outside equipped with MBR membrane module medicine cleaning device (24) and the second gas blower (22), described MBR membrane module medicine cleaning device (24) is connected with described MBR membrane module (21), described the second gas blower (22) is connected with described MBR membrane module (21), described the second aerator (23) and described horizontal gas swab respectively, and described vacuum primingpump (8) is connected with MBR membrane cisterna (2) and MBR membrane module medicine cleaning device (24) respectively.
2. one way of life waste disposal plant according to claim 1, it is characterized in that: described MBR membrane module (21) is made up of multiple strut members of vertically placing and the beautiful PVDF flat sheet membrane in east (211) that is arranged on multiple described strut member both side surface, is evenly provided with the hole of aperture 0.1～0.001 μ m in the beautiful PVDF flat sheet membrane in described east (211).
3. one way of life waste disposal plant according to claim 2, it is characterized in that: described horizontal gas swab is for being arranged on the main road (211-1) of described MBR membrane module (21) both sides, on two described main roads (211-1), be provided with the small transfer line (211-2) of vertical distribution, on described small transfer line (211-2), be provided with the hole (211-3) that several diameters that longitudinally distribute are 2mm, the spacing in adjacent two holes (211-3) is 50mm.
4. one way of life waste disposal plant according to claim 3, it is characterized in that: described main road (211-1) is separately positioned on the horizontal plane at described MBR membrane module (21) upper surface or bottom surface place, the main road (211-1) of described MBR membrane module (21) upper surface is provided with small transfer line (211-2) vertically downward, on the main road (211-1) of described MBR membrane module (21) bottom surface, be provided with small transfer line (211-2) vertically upward, described small transfer line (211-2) is all arranged on the both sides of the beautiful PVDF flat sheet membrane in described east (211).
5. one way of life waste disposal plant according to claim 1, it is characterized in that: between described vacuum primingpump (8) and described MBR membrane cisterna (2), be also provided with pressure transmitter (81), described MBR membrane module medicine cleaning device (24) comprises clorox medicine cleaning device and citric acid medicine cleaning device, and described MBR membrane module medicine cleaning device (24) is 0.5～1m with the interior waterhead of described MBR membrane cisterna (2).
6. according to the one way of life waste disposal plant described in claim 1-5 any one, it is characterized in that: between described aerating regulation pond (1) and described sewage pump (7), be provided with hair interceptor (6).
7. one way of life waste disposal plant according to claim 6, it is characterized in that: the bottom of described MBR membrane cisterna (2) is also provided with sludge reflux pump (25), described sludge reflux pump (25) is connected with described aerating regulation pond (1) through pipeline.
8. one way of life waste disposal plant according to claim 7, it is characterized in that: also comprise sterilizing unit (31), described sterilizing unit (31) is arranged between described activated carbon filtration tank (3) and described reuse pool (4), and described sterilizing unit (31) is the sterilizing unit taking clorox as sterilizing agent.
9. one way of life waste disposal plant according to claim 8, it is characterized in that: also comprise chlorine residue on-line monitoring instrument (32), described chlorine residue on-line monitoring instrument (32) is connected with described sterilizing unit (31) and described reuse pool (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269404.6U CN203890195U (en) | 2014-05-23 | 2014-05-23 | Domestic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269404.6U CN203890195U (en) | 2014-05-23 | 2014-05-23 | Domestic sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203890195U true CN203890195U (en) | 2014-10-22 |
Family
ID=51716623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420269404.6U Expired - Fee Related CN203890195U (en) | 2014-05-23 | 2014-05-23 | Domestic sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203890195U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098462A (en) * | 2017-06-08 | 2017-08-29 | 江苏新奇环保有限公司 | A kind of automatically cleaning MBR membrane modules |
| CN112777878A (en) * | 2021-01-28 | 2021-05-11 | 长江师范学院 | Sewage treatment equipment utilizing photocatalytic oxidation reaction |
| CN113443787A (en) * | 2021-07-12 | 2021-09-28 | 长飞光纤光缆股份有限公司 | Method for treating sewage by using MBR (membrane bioreactor) membrane |
-
2014
- 2014-05-23 CN CN201420269404.6U patent/CN203890195U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098462A (en) * | 2017-06-08 | 2017-08-29 | 江苏新奇环保有限公司 | A kind of automatically cleaning MBR membrane modules |
| CN112777878A (en) * | 2021-01-28 | 2021-05-11 | 长江师范学院 | Sewage treatment equipment utilizing photocatalytic oxidation reaction |
| CN113443787A (en) * | 2021-07-12 | 2021-09-28 | 长飞光纤光缆股份有限公司 | Method for treating sewage by using MBR (membrane bioreactor) membrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |