CN204752480U - Rural sewage treatment plant that sand filtration and membrane bioreactor combine - Google Patents
Rural sewage treatment plant that sand filtration and membrane bioreactor combine Download PDFInfo
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- CN204752480U CN204752480U CN201520405044.2U CN201520405044U CN204752480U CN 204752480 U CN204752480 U CN 204752480U CN 201520405044 U CN201520405044 U CN 201520405044U CN 204752480 U CN204752480 U CN 204752480U
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- membrane bioreactor
- aeration type
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a rural sewage treatment plant that sand filtration and membrane bioreactor combine, including the inlet tube, the inlet tube is connected with the grit filtering pond, and the grit filtering pond is connected with aeration type membrane bioreactor, is provided with the grit filter material in the grit filtering pond, the aeration type membrane bioreactor bottom is provided with aeration equipment, be provided with the membrane module in aeration type membrane bioreactor, the membrane module is connected with the delivery port through the connecting pipe, be provided with the suction pump on the connecting pipe, industrial waste water at first gets into the grit filtering pond by the inlet tube, the grit filtering pond can holding back the great particulate matter in the sewage, industrial waste water through grit filtering pond purification enters into aeration type membrane bioreactor, microorganism among the aeration type membrane bioreactor can be better degradation micro molecule pollutant, simultaneously owing to the great particulate matter in the sewage is held back in leading grit filtering pond, membrane module among the membrane bioreactor also can be better the realization to the depth -type filtration of dirty water pollutant.
Description
Technical field
The utility model patent relates to the countryside sewage treatment equipment that a kind of sand filtration is combined with membrane bioreactor, belongs to field of environment engineering technology.
Background technology
At present, along with expanding economy, country sewage increases gradually, how to realize country sewage be treated as in time one must faced by challenge.In recent years, approximately average annual 8000000000 tons of the sanitary sewage that China rural area produces every year, and the rural area of 80% does not have to be equipped with effective sewage treatment facility.When the country sewage of these enormous amount directly enters the water body of periphery, the pollution of huge surface water and groundwater just can be caused.At present, the sewage in rural area has become the important integral part of China's pollution of area source gradually.Along with country is using the important content of rural domestic sewage treatment as new countryside construction, country is improving constantly the attention degree of country sewage.In China, the sewage in rural area mainly contains following feature: 1, and people in the countryside are few, and population distribution disperses, and therefore can cause the discharge of extensive style; 2, the water consumption in rural area is lower, and the discharge of sewage is little; 3, sewage composition is comparatively complicated, and the biodegradability of sewage is stronger; 4, along with seasonal variation, country sewage can present huge change.Therefore in order to the construction of active response country to new rural village, it is imperative to strengthen the process of country sewage.
In recent years, along with the development of biochemical wastewater treatment, biomembrane process is more applied at sewage and field of waste water treatment gradually, technology of biological membrane used more biological sewage treatment technology in the process field of sewage in recent years, compared with the sewage treatment process of routine, microbial film feedwater can have higher contaminant removal efficiency, stablizes effluent quality.Technology of biological membrane floor space is few, is beneficial to and is realizing separated practices.And biomembranous processing parameter is less, convenient operation manages, and is easy to the operation realizing integration, but in biomembranous treating processes, membrane pollution problem is a fundamental issue of restriction technology of biological membrane always, so existing rural sewage treatment system is still perfect not.
Utility model content
The purpose of this utility model is: provide that a kind of structure is simple, running cost is low, easy to operate, easy care, disposal efficiency are high, preposition sand coarse aggregate ratio filter tank and membrane bioreactor be combined with each other, the removal efficiency of fouling membrane is also improved while reducing biomembranous fouling membrane, there is provided the countryside sewage treatment equipment that a kind of sand filtration of the rural sewage treatment equipment that a kind of running cost is low, easy to operate, easy care, disposal efficiency are high is combined with membrane bioreactor, to overcome the deficiencies in the prior art.
The utility model is achieved in that the countryside sewage treatment equipment that a kind of sand filtration is combined with membrane bioreactor, comprise water inlet pipe, water inlet pipe is connected with sandstone filter tank, and sandstone filter tank is connected with aeration type membrane bioreactor, is provided with sandstone filtrate in sandstone filter tank; Be provided with aerating apparatus bottom aeration type membrane bioreactor, in aeration type membrane bioreactor, be provided with membrane module, membrane module is connected with water outlet by pipe connecting, and pipe connecting is provided with suction pump.
Described aerating apparatus is connected to form by pipe connecting and gas blower.
Owing to have employed technique scheme, first trade effluent enters sandstone filter tank by water inlet pipe, sandstone filter tank can retain the carrying out of the larger particles in sewage, reduce the turbidity of sewage, macromolecule contaminant also can be converted into small molecule contaminants by the microorganism on the sandstone filtrate in sandstone filter tank, because sandstone filter tank is connected with aeration type membrane bioreactor, the trade effluent purified by sandstone filter tank enters into aeration type membrane bioreactor, microorganism in aeration type membrane bioreactor can better degradation of small molecular pollutent, simultaneously because the larger particles in sewage is trapped in preposition sandstone filter tank, membrane module in membrane bioreactor also better can realize the depth type filtration to dirty water pollutant, lower membrane fouling rate can be had simultaneously, final realization is for effective removal of country sewage water pollutant.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Description of reference numerals: 1-water inlet pipe, 2-sandstone filter tank, 3-sandstone filtrate, 4-aerating apparatus, 5-gas blower, 6-membrane module, 7-aeration type membrane bioreactor, 8-suction pump, 9-water outlet.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but not as to restriction of the present utility model.
Embodiment of the present utility model: preposition sandstone filter tank of the present utility model, is of a size of 300 × 500mm, whole height 500mm, and inner filler sand masonry is filtrate, and equal particle diameter is 5mm.Aeration type membrane bioreactor, is the membrane bioreactor of rearmounted aeration type, is of a size of 600 × 500mm, whole height 500mm.The built-in membrane module of reactor is used for realizing membrane sepn, arranges aerating apparatus at reactor bottom, ensures the growth of the biology in treater, realizes be combineding with each other of membrane separation technique and biologic treating technique.
The countryside sewage treatment equipment that sand filtration is combined with membrane bioreactor, comprises water inlet pipe 1, and water inlet pipe 1 is connected with sandstone filter tank 2, and sandstone filter tank 2 is connected with aeration type membrane bioreactor 7, is provided with sandstone filtrate 3 in sandstone filter tank 2; Be provided with aerating apparatus 4 bottom aeration type membrane bioreactor 7, be provided with membrane module 6 in aeration type membrane bioreactor 7, membrane module 6 is connected with water outlet 9 by pipe connecting, and pipe connecting is provided with suction pump 8.
Described aerating apparatus 4 is connected to form by pipe connecting and gas blower 5.
Biomembrane process is more applied at sewage and field of waste water treatment gradually, technology of biological membrane used more biological sewage treatment technology in the process field of sewage in recent years, compared with the sewage treatment process of routine, microbial film feedwater can have higher contaminant removal efficiency, stablizes effluent quality.Technology of biological membrane floor space is few, is beneficial to and is realizing separated practices.And biomembranous processing parameter is less, convenient operation manages, and is easy to the operation realizing integration.But in biomembranous treating processes, membrane pollution problem is a fundamental issue of restriction technology of biological membrane always.Therefore in order to reduce membrane fouling rate, have developed a kind of new village waste disposal plant, the membrane bioreactor of preposition sandstone filter tank and aeration type is be combined with each other, improve the removal efficiency of membrane bioreactor, have larger directive significance to rural sewage treatment.
To the equipment of aeration tank oxygen supply in the existing a kind of waste water activated sludge process water treatment procedure of the utility model aerating apparatus.
Aeration refers to and artificially in biochemical aeration tank, passes into air by suitable equipment, to reach the object of expection.Aeration not only makes liquid-to-air contact oxygenation in pond, and due to agitated liquid, accelerates oxygen in air and shift in liquid, thus complete the object of oxygenation; In addition, aeration prevents pond inner suspension body from sinking in addition, strengthens the object that in pond, organism contacts with dissolved oxygen with microorganism, thus ensures that in pond, microorganism is under the condition having sufficient dissolved oxygen, to oxygenolysis organic in sewage.The quality of aerating apparatus, not only affects biochemical wastewater treatment effect, and directly has influence on Treatment stations occupation of land, investment and working cost.
During utility model works, sanitary sewage enters sandstone filter tank 2 by water inlet pipe 1, then current are under gravity by sandstone filtrate 3, larger particulate matter is retained, and macromolecule contaminant is subject to sandstone surface microorganism and is decomposed into small organic molecule, owing to being connected with aeration type membrane bioreactor 7 bottom sandstone filter tank 2, current enter aeration type membrane bioreactor 7, aerating apparatus 4 is had bottom aeration type membrane bioreactor 7, this aerating apparatus 4 is started by gas blower 5, ensures the microbial growth in bio-reactor.Under the effect of suction pump 8, membrane module 6 is entered after sewage enters aeration type membrane bioreactor 7, after deeply the retaining of membrane module, water after process is flowed out by water outlet 9, this new device can have higher effluent quality, and having stable contaminant removal efficiency, the membrane fouling rate of membrane module reduces greatly simultaneously.
Example adopts country sewage to test, and water inlet index is as table 1
| pH | CODCr | TP | TN | NH4+-N |
| 6-8 | 200 | 4.6 | 42.8 | 29.6 |
In operation after one month, this new village waste disposal plant is 85% to the clearance of CODCr, the clearance of TP is 80%, be 83% to the clearance of TN, be 78% to NH4+-N clearance, and relative to the membrane bioreactor for improving, membrane module pollutes speed to be reduced greatly, and effluent quality has had very big raising and more stable.
Claims (2)
1. the countryside sewage treatment equipment that is combined with membrane bioreactor of a sand filtration, comprise water inlet pipe (1), it is characterized in that: water inlet pipe (1) is connected with sandstone filter tank (2), sandstone filter tank (2) is connected with aeration type membrane bioreactor (7), is provided with sandstone filtrate (3) in sandstone filter tank (2); Aeration type membrane bioreactor (7) bottom is provided with aerating apparatus (4), membrane module (6) is provided with in aeration type membrane bioreactor (7), membrane module (6) is connected with water outlet (9) by pipe connecting, and pipe connecting is provided with suction pump (8).
2. the countryside sewage treatment equipment that is combined with membrane bioreactor of sand filtration according to claim 1, is characterized in that: described aerating apparatus (4) is connected to form by pipe connecting and gas blower (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520405044.2U CN204752480U (en) | 2015-06-12 | 2015-06-12 | Rural sewage treatment plant that sand filtration and membrane bioreactor combine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520405044.2U CN204752480U (en) | 2015-06-12 | 2015-06-12 | Rural sewage treatment plant that sand filtration and membrane bioreactor combine |
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| Publication Number | Publication Date |
|---|---|
| CN204752480U true CN204752480U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520405044.2U Active CN204752480U (en) | 2015-06-12 | 2015-06-12 | Rural sewage treatment plant that sand filtration and membrane bioreactor combine |
Country Status (1)
| Country | Link |
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| CN (1) | CN204752480U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110550A (en) * | 2015-06-12 | 2015-12-02 | 中国电建集团贵阳勘测设计研究院有限公司 | Sand filter-membrane bioreactor combined treatment method and apparatus for rural sewage |
| CN111410375A (en) * | 2020-04-23 | 2020-07-14 | 广西中冠智合环保技术有限公司 | Device and method for reusing sewage in expressway service area |
| CN112979069A (en) * | 2021-02-23 | 2021-06-18 | 广西盛唯科技服务有限公司 | Multi-level efficient sewage treatment aeration equipment |
-
2015
- 2015-06-12 CN CN201520405044.2U patent/CN204752480U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110550A (en) * | 2015-06-12 | 2015-12-02 | 中国电建集团贵阳勘测设计研究院有限公司 | Sand filter-membrane bioreactor combined treatment method and apparatus for rural sewage |
| CN111410375A (en) * | 2020-04-23 | 2020-07-14 | 广西中冠智合环保技术有限公司 | Device and method for reusing sewage in expressway service area |
| CN112979069A (en) * | 2021-02-23 | 2021-06-18 | 广西盛唯科技服务有限公司 | Multi-level efficient sewage treatment aeration equipment |
| CN112979069B (en) * | 2021-02-23 | 2022-08-30 | 中铁建发展集团有限公司 | Multi-level efficient sewage treatment aeration equipment |
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