CN104140180A - Membrane bioreaction device for domestic sewage strengthening treatment - Google Patents
Membrane bioreaction device for domestic sewage strengthening treatment Download PDFInfo
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- CN104140180A CN104140180A CN201310168729.5A CN201310168729A CN104140180A CN 104140180 A CN104140180 A CN 104140180A CN 201310168729 A CN201310168729 A CN 201310168729A CN 104140180 A CN104140180 A CN 104140180A
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Abstract
The invention provides a membrane bioreaction device for domestic sewage strengthening treatment. The membrane bioreaction device contains an anoxic tank, a strengthening tank, an MBR reaction tank, an aeration device and a pumping device. The anoxic tank is provided with a sewage inlet. A water through-hole is arranged between the anoxic tank and the strengthening tank. A packed tower capable of being filled with a reaction medium is arranged in the strengthening tank. The packed tower is both communicated with the strengthening tank and the MBR reaction tank. A membrane bioreactor is mounted in the MBR reaction tank. An air outlet of the aeration device is positioned in the MBR reaction tank. The pumping device is composed of a pumping pipe and a suction pump. The pumping pipe is communicated with the suction pump and the membrane bioreactor. With the arrangement of the strengthening tank and the packed tower, clearance rate can be raised. A water impeller is also arranged in the MBR reaction tank. Operation of the water impeller promotes mixing of water, gas and mud, and power consumption of equipment is minimized while clearance rate of residues is guaranteed. Meanwhile, with the arrangement of the water impeller, volume of the membrane bioreaction device can be reduced, cost is decreased, and the membrane bioreaction device can meet requirements of rural domestic sewage treatment.
Description
Technical field
The present invention relates to technical field of sewage, particularly lower, the membrane biological reaction apparatus for sanitary sewage intensive treatment that is applicable to rural area of a kind of cost.
Background technology
Membrane bioreactor (Membrane Bioreactor, be called for short MBR) be advanced sewage disposal and the sewage recycling technology that the world today generally acknowledges, it is the bio-reactor in the ultrafiltration in membrane separation technique, micro-filtration or nanofiltration membrane component and biological sewage treatment to be mutually combined and the novel treatment system that forms, wherein bio-reactor can utilize physical medium or chemical bond, realizes dephosphorization, denitrogenation texts under biotic condition.Because making MBR, the high efficiency separation effect of film there are the not available many outstanding advantages of traditional biological treatment process, as effluent quality good stable, can direct reuse etc.
In order to ensure that membrane bioreactor is in the process of sewage disposal, can remove to greatest extent the materials such as nitrogen phosphorus, what in prior art, conventionally MBR reaction tank is arranged is very large and dark, to make having sufficient time and space to carry out contact reacts between membrane bioreactor and sewage, and chemical oxygen demand index in corresponding oxidation of organic compounds process is also just very large, the power consumption of aerator is very many.But in the time being used for rural domestic sewage treatment, large and dark reaction tank certainly will make the cost of device higher, and floor space is larger, is difficult to rural area and accepts.But by after corresponding reaction tank diminishing, cannot reach again original elimination efficiency.And general sewage disposal, after anoxic pond and MBR reaction tank, still has the material such as nitrogen, phosphorus of part remnants, processes not thorough.
Summary of the invention
For the defect of prior art, the invention provides a kind of membrane biological reaction apparatus for sanitary sewage intensive treatment that is applicable to rural area, it can remove residual nitrogen and phosphorus in sewage more thoroughly, and reduce volume and the degree of depth of reaction tank, make the floor space reduction all corresponding to cost of device, easily accepted by rural area and other small-scale sewage processing demands.
For achieving the above object, the technical scheme that the present invention takes is: a kind of membrane biological reaction apparatus for sanitary sewage intensive treatment, comprises anoxic pond, strengthening pond, MBR reaction tank, aerating apparatus and pumping plant; Anoxic pond is provided with sewage inlet, between anoxic pond and strengthening pond, is provided with limbers; Strengthening is provided with the packing tower that can fill reaction medium in pond; Packing tower all communicates with strengthening pond and MBR reaction tank; In MBR reaction tank, be provided with membrane bioreactor; The air outlet of aerating apparatus is arranged in MBR reaction tank; Pumping plant is made up of drinking-water pipe and lift pump, and drinking-water pipe one end connects lift pump, the other end junctional membrane bio-reactor;
Also comprise impeller, impeller is arranged in MBR reaction tank.
In packing tower of the present invention, the reaction medium that can fill comprises that Fe, Mg, Si, Mn and Ga etc. can realize element combinations or the simple substance of dephosphorization effect.Inorganic phosphorus and organophosphorus can be adsorbed by the reaction medium in packing tower, form microbial film, are used as biological nutritive element.Reaction product in packing tower can regularly be taken out replacing, and the reaction product of taking-up can be used as mineral manure or bio-feritlizer, as the growing nutrient of plant.
In order to make the sewage reaction that can fully contact with membrane bioreactor, impeller is arranged at the bottom in MBR reaction tank by the present invention, and membrane bioreactor is positioned at the top of MBR reaction tank.
Preferably, the height of MBR reaction tank is 1.5m, and the distance between the lower end of membrane bioreactor and the diapire of MBR reaction tank is 0.3m.This set can make, in the situation of sewage water body convection current quickening, have the space of how accommodating untreated sewage, to ensure that the residuals in sewage can both fully touch biofilm reactor in device.
The present invention is in the time of application, pending sanitary sewage can enter from the sewage inlet of anoxic pond, enters strengthening pond after the starvation of anoxic pond is processed from limbers, and then enters the packing tower in strengthening pond, and react with the reaction medium in packing tower, to realize dephosphorization; Reacted sewage enters MBR reaction tank then, and under the aeration effect and impeller effect of aerating apparatus, sewage can be fully and membrane bioreactor contact reacts, thereby remove more thoroughly the materials such as the residual phosphorus in sewage.In order more thoroughly to remove the residual phosphorus in sewage, also can react with the reaction medium in packing tower again guiding to through the reacted water of MBR in strengthening pond, and then clear water after treatment is extracted.
Beneficial effect of the present invention is: sewage can carry out three layers of processing through anoxic pond, strengthening pond and MBR reaction tank, can remove more thoroughly the material such as residual phosphorus, nitrogen in sewage.Device is in the time of operation, and the operation of impeller can promote the three-phase of water gas phase mud phase to mix, and in reducing the power consumption of device, makes sewage can fully touch membrane bioreactor, to ensure clearance rate.The further dephosphorization effect of optimization device of setting in strengthening pond.Due to the setting of impeller, the present invention can, by the smaller volume of device on the basis that ensures sewage clearance rate, save floor space, has reduced cost simultaneously, can meet the demand of rural domestic sewage treatment simultaneously.In addition, the impeller in the present invention is very easy to realize automatically and controlling as required.
Brief description of the drawings
Figure 1 shows that a kind of specific embodiment structural representation of the present invention.
Embodiment
For content of the present invention is become apparent more, be described further below in conjunction with the drawings and specific embodiments.
In conjunction with Fig. 1, the present invention, for the membrane biological reaction apparatus of sanitary sewage intensive treatment, comprises anoxic pond 1, strengthening pond 2, MBR reaction tank 3, aerating apparatus 6 and pumping plant 5; Anoxic pond 1 is provided with sewage inlet, between anoxic pond 1 and strengthening pond 2, is provided with limbers 11; Strengthening is provided with the packing tower 21 that can fill reaction medium in pond 2, and packing tower can be by be provided with limbers on outer wall, thereby all communicate with strengthening pond 2 and MBR reaction tank 3; In MBR reaction tank 3, be provided with membrane bioreactor 4; The air outlet of aerating apparatus 6 is arranged in MBR reaction tank 3; Pumping plant 5 is made up of drinking-water pipe 51 and lift pump, and drinking-water pipe 51 one end connect lift pump, the other end junctional membrane bio-reactor 4; Impeller 7 is arranged in MBR reaction tank 3.
In the present invention, membrane bioreactor 4, aerating apparatus 6, impeller 7 are all existing matured product, and impeller 7 can adopt existing three-phase hybrid impeller, realize the mixing of water, gas, mud three-phase, and anoxic pond 1 can be utilized existing techniques in realizing.In packing tower, the reaction medium that can fill comprises matrix material or the simple substance material of the elements such as Fe, Mg, Si, Mn and Ga, and other can realize the current material of dephosphorization effect.
In order to make the sewage reaction that can fully contact with membrane bioreactor 4, the present invention is preferably arranged at the bottom in MBR reaction tank 3 by impeller 7, near the position that particularly packing tower 21 communicates with MBR reaction tank 3.Membrane bioreactor 4 is positioned at the top of MBR reaction tank 3.Contribute on the one hand the bubble flowing out in aerating apparatus 6 can be solved homogeneously in MBR reaction tank 3, optimize reaction effect; Also make on the other hand plug-flow, the mixing effect of impeller 7 comparatively remarkable, for subsequent reactions is fully laid the groundwork.While specifically setting, the height of MBR reaction tank 3, and distance between the lower end of membrane bioreactor 4 and the diapire of MBR reaction tank 3 can suitably arrange, to make distance as far as possible far away, guarantee reaction effect is better, be final dephosphorization denitrification better effects if, specifically can be set to: the height of MBR reaction tank 3 is 1.5m, the distance between the lower end of membrane bioreactor 4 and the diapire of MBR reaction tank is 0.3m.Although the height of MBR reaction tank 3 and volume reduce, and due to the three-phase mixing effect of impeller, have both ensured clearance rate, have reduced again the power consumption of sewage disposal.
In the time of application, pending sanitary sewage can enter from the sewage inlet of anoxic pond 1, after processing, the starvation of anoxic pond 1 enters strengthening pond 2 from limbers 11, and then enter the packing tower 21 of strengthening in pond 2, and react with the reaction medium in packing tower 21, to remove the materials such as phosphorus, reacted sewage enters MBR reaction tank 3 then, under the aeration effect and impeller 7 effects of aerating apparatus 6, sewage can be fully and membrane bioreactor 4 contact reactss, thereby remove more thoroughly the materials such as the residual phosphorus nitrogen in sewage.In order more thoroughly to remove the residual phosphorus in sewage, also can react with the reaction medium in packing tower 21 again guiding to through the reacted water of MBR in strengthening pond 2, and then clear water after treatment is extracted.
Described in the present invention, concrete case study on implementation is only better case study on implementation of the present invention, is not used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application the scope of the claims change and modify, all should serve as technology category of the present invention.
Claims (4)
1. for a membrane biological reaction apparatus for sanitary sewage intensive treatment, it is characterized in that, comprise anoxic pond, strengthening pond, MBR reaction tank, aerating apparatus and pumping plant; Anoxic pond is provided with sewage inlet, between anoxic pond and strengthening pond, is provided with limbers; Strengthening is provided with the packing tower that can fill reaction medium in pond; Packing tower all communicates with strengthening pond and MBR reaction tank; In MBR reaction tank, be provided with membrane bioreactor; The air outlet of aerating apparatus is arranged in MBR reaction tank; Pumping plant is made up of drinking-water pipe and lift pump, and drinking-water pipe one end connects lift pump, the other end junctional membrane bio-reactor;
Also comprise impeller, impeller is arranged in MBR reaction tank.
2. the membrane biological reaction apparatus for sanitary sewage intensive treatment according to claim 1, is characterized in that, the reaction medium of filling in described packing tower comprises iron, magnesium, silicon, manganese and calcium constituent.
3. the membrane biological reaction apparatus for sanitary sewage disposal according to claim 1, is characterized in that, impeller is positioned at the bottom of MBR reaction tank, and membrane bioreactor is positioned at the top of MBR reaction tank.
4. according to the membrane biological reaction apparatus for sanitary sewage disposal described in claim 1 or 2 or 3, it is characterized in that, the height of MBR reaction tank is 1.5m, and the distance between the lower end of membrane bioreactor and the diapire of MBR reaction tank is 0.3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310168729.5A CN104140180A (en) | 2013-05-09 | 2013-05-09 | Membrane bioreaction device for domestic sewage strengthening treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310168729.5A CN104140180A (en) | 2013-05-09 | 2013-05-09 | Membrane bioreaction device for domestic sewage strengthening treatment |
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| Publication Number | Publication Date |
|---|---|
| CN104140180A true CN104140180A (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310168729.5A Pending CN104140180A (en) | 2013-05-09 | 2013-05-09 | Membrane bioreaction device for domestic sewage strengthening treatment |
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| CN (1) | CN104140180A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843852A (en) * | 2015-04-23 | 2015-08-19 | 四川和鼎环保工程有限责任公司 | Treatment tank conducive to interactive interface area increasing |
| CN104876328A (en) * | 2015-04-23 | 2015-09-02 | 四川和鼎环保工程有限责任公司 | Sewage system beneficial to improvement of treatment efficiency |
-
2013
- 2013-05-09 CN CN201310168729.5A patent/CN104140180A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843852A (en) * | 2015-04-23 | 2015-08-19 | 四川和鼎环保工程有限责任公司 | Treatment tank conducive to interactive interface area increasing |
| CN104876328A (en) * | 2015-04-23 | 2015-09-02 | 四川和鼎环保工程有限责任公司 | Sewage system beneficial to improvement of treatment efficiency |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141112 |