CN204022631U - The pretreatment system of membrane bioreactor in a kind of organic sewage treating system - Google Patents
The pretreatment system of membrane bioreactor in a kind of organic sewage treating system Download PDFInfo
- Publication number
- CN204022631U CN204022631U CN201420505557.6U CN201420505557U CN204022631U CN 204022631 U CN204022631 U CN 204022631U CN 201420505557 U CN201420505557 U CN 201420505557U CN 204022631 U CN204022631 U CN 204022631U
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- Prior art keywords
- membrane bioreactor
- organic sewage
- tank
- mbr
- sewage treating
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- 239000010865 sewage Substances 0.000 title claims abstract description 57
- 239000012528 membrane Substances 0.000 title claims abstract description 41
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 239000010802 sludge Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model is applicable to Sewage treatment systems, relate in particular to the pretreatment system of membrane bioreactor in a kind of organic sewage treating system, comprise grating tank, equalizing tank, self-cleaning filter and MBR pond, described grating tank is communicated with described equalizing tank, in described equalizing tank, lift pump is installed, described lift pump connects described self-cleaning filter by pipeline, and described self-cleaning filter connects described MBR pond by pipeline.By added self-cleaning filtering apparatus in Sewage treatment systems, the breakage of the face that in sewage, macrobead thing causes and the fracture of film silk are avoided; Meanwhile, reduced the investment of building Sewage treatment systems, compared with at present conventional membrane bioreactor pretreatment system, reduced initial investment nearly 90%, cost is low; Floor space is compared with current conventional system, negligible; And what adopt in native system is all standardized product, all simple to operation aspect design, installation and running maintenance.
Description
Technical field
The utility model belongs to Sewage treatment systems, relates in particular to the pretreatment system of membrane bioreactor in a kind of organic sewage treating system.
Background technology
Along with the increase of urban population and the development of industrial and agricultural production, the sewage quantity producing in production and life process also increases day by day, in order to alleviate the harm of sewage to water body and environment, needs through this link of purifying treatment before it is discharged in environment.Existing Sewage treatment systems is made up of pretreatment system, biochemical treatment system and sludge-water separating system mostly, mainly due to adopting different processing methodes to build its biochemical treatment system, and make the difference to some extent in its structure formation of various dissimilar Sewage treatment systemss.
But, because the pre-treatment one of existing membrane bioreactor (film-bioreactor (Membrane Bio-Reactor, MBR) is the Novel state Waste Water Treatment of membrane separation technique and biologic treating technique combination) is the pretreatment system of continuing to use traditional technology: coarse rack+lift pump+fine fack+rotational flow grit chamber+preliminary sedimentation tank+membrane bioreactor; Or on the basis of traditional technology, carry out some transformations: coarse rack+lift pump+fine fack+rotational flow grit chamber+lift pump+0.75mm drum-type fine fack+membrane bioreactor.The pre-treatment measure of above-mentioned two kinds of conventional membrane bioreactors, the first, inadequate to the protection of film, film is very easy to damaged (flat film) or fracture of wire (hollow-fibre membrane).The second, although film has been played to provide protection, long flow path, investment be large, it is large to take up an area.
Utility model content
The purpose of this utility model is to provide a kind of pretreatment system for sewage disposal membrane bioreactor, being intended to solve in existing Sewage treatment systems macrobead thing enters and in membrane bioreactor, damages diaphragm or film silk, meanwhile, shorten sewage treatment process, reduce investment and floor space.
The utility model is to realize like this, the pretreatment system of membrane bioreactor in a kind of organic sewage treating system, comprise grating tank, equalizing tank, self-cleaning filter and MBR pond, described grating tank is communicated with described equalizing tank, in described equalizing tank, lift pump is installed, described lift pump connects described self-cleaning filter by pipeline, and described self-cleaning filter connects described MBR pond by pipeline.
Further, be provided with the first electric gate valve, coarse rack, fine fack and the second electric gate valve in described grating tank, described the first electric gate valve, coarse rack, fine fack and described the second electric gate valve are separated described grating tank successively.
Further beneficial effect is: organic sewage enters into coarse rack and fine fack by the first electric gate valve, thereby configuration can be controlled organic sewage need flow to be processed like this.
Further, in described equalizing tank and described MBR pond, liquid level sensor is also installed.
Further beneficial effect is: the pressure by liquid level sensor appearance is converted into electrical signal, thereby sends to corresponding control device, has reached the object of controlling at any time wastewater level in equalizing tank and MBR pond.
Further, also comprise sludge concentration tank, on described self-cleaning filter, also connect described sludge concentration tank by pipeline.
Further beneficial effect is: by self-cleaning filter by most mud in sewage discharged to sludge concentration tank, reached the object of purifying waste water.
Further, described MBR is provided with sludge reflux pump in pond, and described sludge reflux pump connects described sludge concentration tank by pipeline.
Further beneficial effect is: by sludge reflux pump by the MBR pond remaining mud of inner bottom part discharged to sludge concentration tank.
Further, described sludge reflux pump comprises one main one for two complete equipments.
Further beneficial effect is: by a main installation for the identical equipment of two covers, prevent that a set of equipment is in the time being out of order, affect the normal operation of Sewage treatment systems, thereby cause unnecessary loss.
Further, also comprise MBR membrane module and MBR water outlet suction pump, described MBR membrane module is arranged in described MBR pond, and described MBR membrane module connects described MBR water outlet suction pump by pipeline.
Further beneficial effect is: by keeping high reactivity sludge concentration in membrane bioreactor, improve biological treatment organic loading, thereby reduce sewage treatment facility floor space, and by keeping low sludge loading to reduce surplus sludge volume.
Further, described MBR water outlet suction pump comprises one main one for two complete equipments.
Further beneficial effect is: by a main installation for the identical equipment of two covers, prevent that a set of equipment is in the time being out of order, affect the normal operation of Sewage treatment systems, thereby cause unnecessary loss.
Further, in described MBR pond, be also communicated with and carry compressed-air actuated aerating apparatus.
Further beneficial effect is: by carry air in MBR pond, aeration not only makes liquid-to-air contact oxygenation in MBR pond, and due to agitated liquid, has accelerated oxygen in air and shifted in liquid, thereby completes the object of oxygenation; Simultaneously, aeration agitated liquid, play the cross flow filter effect of washing away film surface, make film water production rate keep steady, in addition, prevent that pond inner suspension body from sinking, and strengthens the object that in pond, organism contacts with dissolved oxygen with microorganism, thereby microorganism is under the condition that has sufficient dissolved oxygen in guarantee pond, to organic oxygenolysis in sewage.
Further, described lift pump and described self-cleaning filter all comprise one main one for two complete equipments.
Further beneficial effect is: by a main installation for the identical equipment of two covers, prevent that a set of equipment is in the time being out of order, affect the normal operation of Sewage treatment systems, thereby cause unnecessary loss.
In the utility model, by added self-cleaning filtering apparatus in Sewage treatment systems, the breakage (flat sheet membrane) of the face that in sewage, macrobead thing causes and the fracture (hollow-fibre membrane) of film silk are avoided; Meanwhile, reduced the investment of building Sewage treatment systems, compared with at present conventional membrane bioreactor pretreatment system, reduced initial investment nearly 90%, cost is low; Floor space is compared with current conventional system, negligible; And what adopt in native system is all standardized product, all simple to operation aspect design, installation and running maintenance.
Brief description of the drawings
Fig. 1 is the utility model Sewage treatment systems structural representation.
In accompanying drawing, the list of parts of each label representative is as follows:
1, grating tank, 2, equalizing tank, 3, self-cleaning filter, 4, MBR pond, 5, lift pump, 6, the first electric gate valve, 7, coarse rack, 8, fine fack, 9, the second electric gate valve, 10, liquid level sensor, 11, sludge concentration tank, 12, sludge reflux pump, 13, MBR membrane module, 14, MBR water outlet suction pump, 15, aerating apparatus, 16, sterilization pool, 17, backflow pool, 18, chemically-cleaning device, 19, organic sewage.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, be the utility model Sewage treatment systems structural representation that the utility model embodiment provides, details are as follows:
In this example, in organic sewage 19 flow into grating tank 1, organic sewage 19 is started and is started to enter into coarse rack 7 by the first electric gate valve 6, remove the thicker suspended substance that likely stops up water pump assembly and pipeline valve in the middle of organic sewage 19, then enter fine fack 8 links, continue the foreign material of solid-liquid separation removing organic sewage; Automatically flow in the equalizing tank 2 of connection, described equalizing tank 2 carries out the adjusting of water quality and the water yield to organic sewage 19, also has the effect of preaeration.After equalizing tank 2 is processed, organic sewage 19 flow into self-cleaning filter 3 by lift pump 5, described self-cleaning filter 3 utilizes filter screen directly to tackle the impurity in water, removes water body suspended substance, particulate matter, reduces turbidity, purify water, reduce the generations such as system dirt, bacterium algae, corrosion.Mud in the middle of part organic sewage 19 has directly been discharged to sludge concentration tank 11 by pipeline, and the sewage of processing flows to MBR pond 4, replaces the second pond in activated sludge process by membrane separation technique, carries out solid-liquid separation.Directly remaining mud has been discharged to sludge concentration tank 11 by sewage backflow pump 12, this technique has not only reached the object of mud-water separation effectively, and treatment effect good, do not take up space, convenient control.Also has aerating apparatus 15 to the interior input air in MBR pond 4, MBR membrane module 13 is wherein used in conjunction with MBR water outlet suction pump 14, the organic sewage of processing 19 is added to purification drug by chemically-cleaning device 18, by valve control, the organic sewage after purification 19 is detected, if qualified, be drained into sterilization pool 16, if defective, directly be discharged to backflow pool 17, wait for again and processing through MBR pond 4.
As shown in table 2, in the time processing identical organic sewage amount, adopt the device in native system to connect the construction cost that can save nearly 90%.
The initial investment table of table 2 the utility model Sewage treatment systems
In the utility model, by added self-cleaning filtering apparatus in Sewage treatment systems, the breakage (flat sheet membrane) of the face that in sewage, macrobead thing causes and the fracture (hollow-fibre membrane) of film silk are avoided; Meanwhile, reduced the investment of building Sewage treatment systems, compared with current conventional membrane bioreactor pretreatment system, reduced initial investment more than 90%, cost is low; Floor space is compared with current conventional system, negligible; And adopting in native system is all standardized product, all simple to operation aspect design, installation and running maintenance.
The device that the utility model embodiment provides can be applied in the embodiment of the method for aforementioned correspondence, and details, referring to the description of above-described embodiment, do not repeat them here.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (10)
1. the pretreatment system of membrane bioreactor in an organic sewage treating system, it is characterized in that, comprise grating tank (1), equalizing tank (2), self-cleaning filter (3) and MBR pond (4), described grating tank (1) is communicated with described equalizing tank (2), the inner lift pump (5) that is provided with of described equalizing tank (2), described lift pump (5) connects described self-cleaning filter (3) by pipeline, and described self-cleaning filter (3) connects described MBR pond (4) by pipeline.
2. the pretreatment system of membrane bioreactor in a kind of organic sewage treating system according to claim 1, it is characterized in that, in described grating tank (1), be provided with the first electric gate valve (6), coarse rack (7), fine fack (8) and the second electric gate valve (9), described the first electric gate valve (6), coarse rack (7), fine fack (8) are separated described grating tank (1) successively with the second electric gate valve (9).
3. the pretreatment system of membrane bioreactor in a kind of organic sewage treating system according to claim 1, is characterized in that, described equalizing tank (2) and the inner liquid level sensor (10) that is also provided with in described MBR pond (4).
4. the pretreatment system of membrane bioreactor in a kind of organic sewage treating system according to claim 1, it is characterized in that, also comprise sludge concentration tank (11), described self-cleaning filter (3) also connects described sludge concentration tank (11) by pipeline.
5. the pretreatment system of membrane bioreactor in a kind of organic sewage treating system according to claim 4, it is characterized in that, the inner sludge reflux pump (12) that is provided with in described MBR pond (4), described sludge reflux pump (12) connects described sludge concentration tank (11) by pipeline.
6. the pretreatment system of membrane bioreactor in a kind of organic sewage treating system according to claim 4, is characterized in that, described sludge reflux pump (12) comprises one main one for two complete equipments.
7. the pretreatment system of membrane bioreactor in a kind of organic sewage treating system according to claim 1, it is characterized in that, also comprise MBR membrane module (13) and MBR water outlet suction pump (14), described MBR membrane module (13) is arranged in described MBR pond (4), and described MBR membrane module (13) connects described MBR water outlet suction pump (14) by pipeline.
8. the pretreatment system of membrane bioreactor in a kind of organic sewage treating system according to claim 1, is characterized in that, described MBR water outlet suction pump (14) comprises one main one for two complete equipments.
9. the pretreatment system of membrane bioreactor in a kind of organic sewage treating system according to claim 1, is characterized in that, described MBR pond (4) is also communicated with carries compressed-air actuated aerating apparatus (15).
10. according to the pretreatment system of membrane bioreactor in any described a kind of organic sewage treating system in claim 1 to 9, it is characterized in that, described self-cleaning filter (3) all comprises one main one for two complete equipments with described lift pump (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505557.6U CN204022631U (en) | 2014-09-03 | 2014-09-03 | The pretreatment system of membrane bioreactor in a kind of organic sewage treating system |
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| CN201420505557.6U CN204022631U (en) | 2014-09-03 | 2014-09-03 | The pretreatment system of membrane bioreactor in a kind of organic sewage treating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860430A (en) * | 2015-05-20 | 2015-08-26 | 天紫环保投资控股有限公司 | Efficient sewage filtering device |
| CN104860442A (en) * | 2015-05-20 | 2015-08-26 | 天紫环保投资控股有限公司 | Rotary sieve filtering device applied to sewage treatment |
| CN108911419A (en) * | 2018-08-15 | 2018-11-30 | 江苏开放大学（江苏城市职业学院） | A kind of life sewage treatment and reuse device and application |
| CN109368853A (en) * | 2018-11-06 | 2019-02-22 | 广州市德百顺电气科技有限公司 | A kind of adaptive sewage disposal system and sewage water treatment method |
-
2014
- 2014-09-03 CN CN201420505557.6U patent/CN204022631U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860430A (en) * | 2015-05-20 | 2015-08-26 | 天紫环保投资控股有限公司 | Efficient sewage filtering device |
| CN104860442A (en) * | 2015-05-20 | 2015-08-26 | 天紫环保投资控股有限公司 | Rotary sieve filtering device applied to sewage treatment |
| CN108911419A (en) * | 2018-08-15 | 2018-11-30 | 江苏开放大学（江苏城市职业学院） | A kind of life sewage treatment and reuse device and application |
| CN109368853A (en) * | 2018-11-06 | 2019-02-22 | 广州市德百顺电气科技有限公司 | A kind of adaptive sewage disposal system and sewage water treatment method |
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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: 20141217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |