CN101955304A - Biological pretreatment-strengthened rural dispersive type sewage treatment equipment - Google Patents

Biological pretreatment-strengthened rural dispersive type sewage treatment equipment Download PDF

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Publication number
CN101955304A
CN101955304A CN2010105090260A CN201010509026A CN101955304A CN 101955304 A CN101955304 A CN 101955304A CN 2010105090260 A CN2010105090260 A CN 2010105090260A CN 201010509026 A CN201010509026 A CN 201010509026A CN 101955304 A CN101955304 A CN 101955304A
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China
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rural
wet land
filler
pretreatment
open drain
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Pending
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CN2010105090260A
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Chinese (zh)
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王峰
潘琦
杨海真
胡鸿
罗助强
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Tongji University
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Tongji University
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Priority to CN2010105090260A priority Critical patent/CN101955304A/en
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    • Y02W10/18

Abstract

The invention relates to biological pretreatment-strengthened rural dispersive type sewage treatment equipment. The biological pretreatment-strengthened rural dispersive type sewage treatment equipment comprises a pretreatment unit and a soil open ditch wetland treatment system, wherein the pretreatment unit comprises a pretreatment device shell, a water inlet pipe, a partition board, an aerator, a biological filler and a water outlet pipe; the soil open ditch wetland treatment system comprises a wetland system front area filler, a perforated plate, a rear area filler, vegetation, a receiving waterbody; the perforated plate is vertically positioned in the soil open ditch wetland treatment system and divides the soil open ditch wetland treatment system into a front area and a rear area; the wetland system front area filler is arranged in the front area; the rear area filler is arranged in the rear area; the vegetation is planted on the top of the rear area filler; and the receiving waterbody is arranged on one side of the rear area. Before an ecological treatment unit, the biological pretreatment-strengthened rural dispersive type sewage treatment equipment is used for performing the pretreatment on the sewage, so that the loads of the subsequent ecological treatment are greatly reduced and the long-term stable operation of the ecological treatment unit is guaranteed. The ecological treatment unit transforms the common rural drainage soil open ditch into the wetland treatment system, so the biological pretreatment-strengthened rural dispersive type sewage treatment equipment adjusts measures to local conditions, is economic and convenient, and is very suitable for treating dispersive type sewage in vast rural areas with relatively weak economic foundation.

Description

A kind of rural dispersed sewage disposal device of enhanced biological pre-treatment
Technical field
The invention belongs to environmental protection technical field, relate to the rural dispersed sewage disposal technology, is exactly a kind of rural dispersed sewage disposal device of enhanced biological pre-treatment specifically.
Background technology
In recent years, wastewater treatment in China factory constantly builds, and the processing rate of sewage improves constantly, but mainly concentrates on the city, and the sewage in national most of rural area can not get handling.And China's people in the countryside are numerous, and sewage network is not built in most rural areas, and communal facility does not catch up with the needs of development, and a large amount of sanitary wastewaters are unprocessed to enter various water bodys, and the ratio of country sewage quantity discharged in the sewage total release is increasing.The whole nation causes very big influence for villager's living environment and sanitary condition at present, goes down for a long time, will inevitably endanger the healthy of villager.
But the Rural areas is scarcely populated, can't indiscriminately imitate the city and concentrate Sewage treatment systems, must development decentralized type sewage treatment system.Consider that Rural areas economic base weakness, technician are rare, therefore, handle rural dispersed sewage, sewage disposal device must satisfy that low cost comprises construction and running cost, fewly safeguards, the high requirement of integrated degree.
Summary of the invention
The object of the present invention is to provide a kind of Rural areas that utilizes to have topographical condition now, stable, with low cost, can be widely used in the rural dispersed sewage disposal device of the enhanced biological pre-treatment of different regions.
The rural dispersed sewage disposal device of the enhanced biological pre-treatment that the present invention proposes, comprise pretreatment unit and native open drain wet land treating system, pretreatment unit comprises pretreating device housing 11, water inlet pipe 12, dividing plate 13, aerator 14, biologic packing material 15 and rising pipe 16, dividing plate 13 vertically is positioned at pretreatment unit, pretreatment unit is separated into a left side, right two reaction zones, be equipped with aerator 14 and biologic packing material 15 in two reaction zones, water inlet pipe 12 is positioned at pretreating device housing 11 tops one side, rising pipe 16 is positioned at glue treatment unit housing 11 top opposite sides, rising pipe 16 the other ends insert wet land treating system bottom, native open drain, and are positioned at wet land system forefoot area filler 21 bottoms; Soil open drain wet land treating system comprises wet land system forefoot area filler 21, perforation plate 22, rear region filler 23, vegetation 24 and receiving water body 25, perforation plate 22 vertically is positioned at native open drain wet land treating system, native open drain wet land treating system is separated into former and later two zones, be provided with wet land system forefoot area filler 21 in the proparea, be provided with rear region filler 23 in the back zone, rear region filler 23 top kinds are implanted with vegetation 24, and back zone one side is provided with receiving water body 25.
Among the present invention, the bottom of trench of native open drain wet land treating system makes sewage can rely on gravity flowage horizontal by 1-3 ° of inclination angle.
Among the present invention, barrier film is laid in the bottom and the side of native open drain wet land treating system.
Among the present invention, described wet land system forefoot area filler 21 adopts gravel.
Among the present invention, described rear region filler 23 is by natural soils and cinder is composite forms, and the shared volume ratio of cinder is 30-50%.
Among the present invention, described vegetation 24 is the bigger waterlogging plant of emission, mainly based on the perennial flowers shrub of ornamental type, avoids the general wetland plant withered processing power that causes in winter to descend, and also avoids wetland plant to enter the risk that food chain brings.
Before Ecological Disposal, strengthened pretreatment unit, described pretreatment unit equipment integral by one the 200L work durm produced of commercialization constitute, the equipment inner route clapboard is separated into two independently processing units, two unit respectively are provided with biologic packing material and aerator, form two-stage biological catalytic oxidation processing unit.Pretreatment unit is mainly removed the organic pollutant in the sewage, and generally the clearance to all contaminations is respectively: 60%COD, 20 ~ 50%TN, 90%SS is for follow-up ecological processing unit lightens the load.
Main body Ecological Disposal unit is the wet land treating system that utilizes native open drain transformation common in the rural area to form, and its water inlet is the water outlet of pretreating device, lays barrier film in the bottom and the side in native open drain.System is divided into proparea and back zone by perforation plate.In the proparea, introduce bottom of trench through the sewage of pre-treatment by the pretreatment unit rising pipe and enter system, load gravel in the proparea, during sewage process gravel bed, suspended matter wherein is filtered, thereby has reduced follow-up wet land system possibility of jamming.The further pollutent in the degradation water of the microbial film that forms of gravel gap simultaneously.
Sewage enters the back zone through perforation plate.Filler is also loaded in the back zone, the filler in this district is by natural soil and cinder is composite forms, the shared volume ratio of cinder is about 30-50%, can plant the bigger waterlogging plant of steam output therein, mainly based on the perennial flowers shrub of ornamental type, avoid the general wetland plant withered processing power that causes in winter to descend, also avoid wetland plant to enter the risk that food chain brings.This zone is mainly by next nutritive substance that contains N, P and the organic pollutant that can remove in the sewage of microorganism in the soil and the plant of being planted.
The present invention has strengthened the pre-treatment of Ecological Disposal, has effectively alleviated the pollution load of Ecological Disposal, has ensured that effectively the Ecological Disposal unit moves steadily in the long term.The Ecological Disposal unit directly utilizes existing native open drain, rural area, and construction cost is few, need not other land acquisition, saved the rural holding resource, and because the filler of wet land system is by cinder and soil is composite forms, clearance rate is big, and the reoxygenation effect is better than general wet land system.That Ecological Disposal itself has is with low cost, handle stable characteristics, is fit to the sewage disposal of Rural areas.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Number in the figure: 11 is the pretreating device housing, and 12 is water inlet pipe, and 13 is dividing plate, and 14 is aerator, and 15 is biologic packing material, and 16 is rising pipe, and 21 is wet land system forefoot area filler, and 22 is perforation plate, 23 rear region fillers, and 24 is vegetation, 25 is receiving water body.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing and example.
Embodiment 1: the present invention includes pretreatment unit and native open drain wet land treating system.The 200L standard metal bucket that the device case 11 of pretreatment unit adopts commercialization to produce, its inside is separated into two independently reaction zones by dividing plate 13, is equipped with aerator 14 and biologic packing material 15 in two reaction zones, forms the two-stage biological contact oxidation.After sewage is handled through the bio-contact oxidation process of pretreatment unit, organic pollutant is wherein removed by major part, generally the clearance to all contaminations is respectively: 60%COD, 20 ~ 50%TN, 90%SS, for follow-up Ecological Disposal process has reduced pollution load, guaranteed that Ecological Disposal can operation steady in a long-term.
Soil open drain wet land treating system is to be formed by the common soil property open drain transformation in rural area, has reduced the construction cost of technology so on the one hand, utilizes existing soil condition on the other hand, has reduced extra soil demand.Nearly 1 ~ 3 ° of inclination angle of bottom of trench, soil open drain, sewage can rely on gravity flowage.Barrier film is laid in bottom and side in native open drain, to prevent that sewage from infiltrating the soil and causing soil and groundwater pollution.Soil open drain wet land treating system total length is approximately 4 ~ 8 meters, and is dark about 50 centimetres, wide 30 ~ 50 centimetres.Whole native open drain wet land treating system is separated into two zones by perforation plate 22, the proparea is about 1m, the water outlet of pre-treatment enters the proparea by rising pipe 16 bottoms, wet land system forefoot area filler 21 is housed in the proparea, wet land system forefoot area filler 21 adopts gravel, and sewage enters back zone via gravel bed through perforation plate 22 by the bottom.The proparea utilizes the filteration of gravel bed to remove suspended matter in the pre-treatment water outlet, avoids the obstruction of follow-up wet land treating system, and the microbial film of the growth of the slit between filler has simultaneously played the effect of organic pollutant in the further degradation of sewage.Rear region filler 23 is housed in the back zone, and rear region filler 23 is mainly by natural soils with cinder is composite forms, and the shared volume ratio of cinder is about 30-50%.The bigger waterlogging plant 24 of plantation steam output in the back zone mainly based on the perennial flowers shrub of ornamental type, avoids the general wetland plant withered processing power that causes in winter to descend, and also avoids wetland plant to enter the risk that food chain brings.Simultaneously if cash crop such as plantation flowers can be created certain income for peasant household.The plant that wet land treating system utilizes the microorganism in the soil and planted is mainly removed the pollutent that contains N, P in the sewage, simultaneously further degradable organic pollutant.Because wet land system of the present invention is more shallow, and inner stuffing is by cinder and soil is composite forms, and clearance rate is big, and the reoxygenation effect is better than general wet land system.
Native system has been strengthened the pre-treatment of Ecological Disposal, and moving for the long-term stability of Ecological Disposal provides reliable guarantee.Characteristics such as that follow-up Ecological Disposal itself has is stable, with low cost, environmental friendliness, the present invention is on the basis of these characteristics, utilize the more existing topographical conditions in rural area to be developed to easy ecological treatment system to innovation, reduced capital cost, kept the original style and features in rural area as far as possible, wet land treating system has also played certain landscape effect, has beautified the environment in rural area, can also create extra income for the peasant simultaneously.

Claims (6)

1. the rural dispersed sewage disposal device of an enhanced biological pre-treatment, comprise pretreatment unit and native open drain wet land treating system, it is characterized in that pretreatment unit comprises pretreating device housing (11), water inlet pipe (12), dividing plate (13), aerator (14), biologic packing material (15) and rising pipe (16), dividing plate (13) vertically is positioned at pretreatment unit, pretreatment unit is separated into a left side, right two reaction zones, be equipped with aerator (14) and biologic packing material (15) in two reaction zones, water inlet pipe (12) is positioned at pretreating device housing (11) top one side, rising pipe (16) is positioned at glue treatment unit housing (11) top opposite side, rising pipe (16) the other end inserts wet land treating system bottom, native open drain, and is positioned at wet land system forefoot area filler (21) bottom; Soil open drain wet land treating system comprises wet land system forefoot area filler (21), perforation plate (22), rear region filler (23), vegetation (24) and receiving water body (25), perforation plate (22) vertically is positioned at native open drain wet land treating system, native open drain wet land treating system is separated into former and later two zones, be provided with wet land system forefoot area filler (21) in the proparea, be provided with rear region filler (23) in the back zone, rear region filler (23) top kind is implanted with vegetation (24), and back zone one side is provided with receiving water body (25).
2. the rural dispersed sewage disposal device of enhanced biological pre-treatment according to claim 1, the bottom of trench that it is characterized in that native open drain wet land treating system makes sewage can rely on gravity flowage horizontal by 1-3 ° of inclination angle.
3. the rural dispersed sewage disposal device of enhanced biological pre-treatment according to claim 1 is characterized in that barrier film is laid in the bottom and the side of native open drain wet land treating system.
4. the rural dispersed sewage disposal device of enhanced biological pre-treatment according to claim 1 is characterized in that described wet land system forefoot area filler (21) adopts gravel.
5. the rural dispersed sewage disposal device of enhanced biological pre-treatment according to claim 1 is characterized in that described rear region filler (23) by natural soils with cinder is composite forms, and the shared volume ratio of cinder is 30-50%.
6. the rural dispersed sewage disposal device of enhanced biological pre-treatment according to claim 1 is characterized in that described vegetation (24) is the bigger waterlogging plant of emission, mainly based on the perennial flowers shrub of ornamental type.
CN2010105090260A 2010-10-18 2010-10-18 Biological pretreatment-strengthened rural dispersive type sewage treatment equipment Pending CN101955304A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102690021A (en) * 2012-05-24 2012-09-26 金丹越 Dispersive domestic sewage advanced pretreatment system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101734831A (en) * 2009-12-29 2010-06-16 苏州德华生态环境科技有限公司 Enhanced ecological wetland treatment facility for treating sewage and method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101734831A (en) * 2009-12-29 2010-06-16 苏州德华生态环境科技有限公司 Enhanced ecological wetland treatment facility for treating sewage and method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《中国给水排水》 20090501 张增胜1 ,  徐功娣1, 2 ,  陈季华1 ,  奚旦立 生物净化槽/强化生态浮床工艺处理农村生活污水 9-11页,正文1-2节全文 1-6 第25卷, 第9期 2 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102690021A (en) * 2012-05-24 2012-09-26 金丹越 Dispersive domestic sewage advanced pretreatment system

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Open date: 20110126