CN201770580U - System for treating domestic sewage of small town - Google Patents
System for treating domestic sewage of small town Download PDFInfo
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- CN201770580U CN201770580U CN2010202692396U CN201020269239U CN201770580U CN 201770580 U CN201770580 U CN 201770580U CN 2010202692396 U CN2010202692396 U CN 2010202692396U CN 201020269239 U CN201020269239 U CN 201020269239U CN 201770580 U CN201770580 U CN 201770580U
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Abstract
The utility model discloses a system for treating domestic sewage of a small town and belongs to the field of sewage treatment. The system comprises a pretreatment area, a biofortification treatment area and an aftertreatment area, wherein the pretreatment area is connected with the biofortification treatment area and the aftertreatment area sequentially; the pretreatment area is formed by connecting sewage blocking equipment with a primary settling tank; the sewage blocking equipment is provided with a water inlet for introducing sewage to be treated; the biofortification treatment area is provided with biological treatment equipment; the aftertreatment area is formed by connecting a secondary settling tank, a filtering tank and a disinfecting tank; and the disinfecting tank is provided with a water outlet for draining treated water. The treatment system can effectively remove organic pollutants, nitrogen, phosphorus, suspended matters and chromaticity in the domestic sewage. Moreover, the utility model has the characteristics that: the system has small treatment scale, small floor space and simple equipment, saves capital construction investment, is beneficial to the realization of automation, easy and convenient to manage, easy to maintain and extremely suitable for treating the domestic sewage of the small town, and the like.
Description
Technical field
The utility model relates to sewage treatment area, particularly relates to a kind of treatment system that is used to handle small town sewage.
Background technology
China is in the stage of urbanization fast development, the blowdown flow rate of samll cities and towns and Rural areas increases rapidly, owing to lack necessary sewage collecting and treatment facility, has become the important pollution source of regional water surrounding, therefore, samll cities and towns' sewage disposal has become the emphasis of China's water pollution control.
The construction of samll cities and towns' sewage treatment facility has become the new focus after the waste water control of big and medium-sized cities, and how its effect will directly influence China's water environment situation and social sustainable development.Produce characteristics at China samll cities and towns socio-economic development characteristic and sewage thereof, the selection of sewage treatment technology, can not indiscriminately imitate the traditional cities sewage treatment technology that in big or middle city, extensively adopts at present fully, can not adopt the sewage disposal mode in population center, village fully, and must select according to principle economic, efficient, easy, easy row.
Developed countries adopts the decentralized type sewage treatment system in samll cities and towns and rural area more, as Norway according to the underpopulated characteristics of this country, set up service population respectively and be less than 35 people's (or 7 families) miniature treatment plant and the small-sized treatment plant that service population is 35～500 people, all adopt the integrated form waste disposal plant, treatment process with focus on identical, promptly physics method, chemical method, biological process and between associating.
Japan is in the rural area that does not have water exhaust system, adopt purification tank that sanitary sewage is carried out on-the-spot disposal, comprise " tandoku-shori " purification tank and " gappei-shori " purification tank, the former only is used for the processing of lavatory flushing water, and the latter is used to mix sanitary sewage disposal.The structure of purification tank mainly is made up of anaerobic filter, contact-oxidation pool, settling tank and sterilization pool, is added with filler in anaerobic filter and contact-oxidation pool.
Nature treatment system (NTSW) is used comparatively general in the U.S., its principal mode is a land treatment system, comprise slow rate, overland flow, quick diafiltration and the various on-site soil absorption system that is used to handle septic tank effluent, have 2,000 ten thousand soil absorption systems of surpassing to be used for sewage disposal on the spot in the U.S..In addition, artificial temperature ground system and oxidation pond also are the important form that decentralized type sewage is handled, and have more than 7000 stabilization pond to be used to handle sanitary sewage and trade effluent in the U.S., and it can use separately or unite use with other waste water treatment process.
The sewage disposal of China samll cities and towns is on processing technology routine is selected, still adopt and the similar conventional process techniques of big or middle municipal sewage treatment mostly, improve technology, AAA as primary reinforcement treatment technology, anaerobic hydrolysis-high-rate filter combination process, SBR and tool
TMTechnology and ecological treatment system etc., and at the technological development of the economic and practical type treatment process of particular cases such as samll cities and towns' social-economic development status and level of management, sewage water quantity and quality characteristics, terrain condition with use still and comparatively lag behind.Traditional technology such as activated sludge process, biomembrance process has been proved to be and has been effective treatment technology, but it is directly indiscriminately imitated samll cities and towns is infeasible, the traditional technology construction investment is big on the one hand, working cost is higher, has aggravated the financial fund situation of samll cities and towns' script with regard to wretched insufficiency; On the other hand, samll cities and towns' level of management are difficult to reach the requirement of conventional processes to facility operation and maintenance management, are unfavorable for the normal operation of sewage treatment facility and handle giving full play to of benefit.
Summary of the invention
Based on the existing in prior technology problem, the utility model embodiment provides a kind of treatment system that is used to handle small town sewage, can realize with the blodisc being core, handle in conjunction with physical chemistry small town sewage is handled.
The purpose of this utility model is achieved through the following technical solutions:
The utility model embodiment provides a kind of treatment system that is used to handle small town sewage, comprising:
Pretreating zone, biological reinforced treatment zone and post processing zone;
Described pretreating zone is connected with post processing zone with biological reinforced treatment zone successively;
Described pretreating zone is formed by connecting by blocking dirty equipment and preliminary sedimentation tank, blocks dirty equipment and is provided with the water-in that introducing is disposed of sewage;
Described biological reinforced treatment zone is provided with biological treating equipment;
Described post processing zone is formed by connecting by second pond, filtering basin and sterilization pool, and sterilization pool is provided with the water outlet of discharging treating water.
Technical scheme by the utility model embodiment as can be seen, constitute the treatment system of sewage among the utility model embodiment by organic cooperation of pretreating zone, biological reinforced treatment zone and post processing zone, particularly in biological reinforced treatment zone, biological treating equipment is set, makes and to utilize this treatment system can effectively remove organic pollutant, nitrogen, phosphorus, suspended substance and colourity in the sanitary sewage.And this treatment system is stable at the process operation of disposing of sewage, and the anti impulsion load ability is stronger, and technical risk is little, has good social benefit and environmental benefit; This treatment system is applicable to that treatment scale is little, floor space is little, initial cost is economized, equipment is simple and easily be automated, simple and convenient management, be easy to use under the scene such as maintenance, is very suitable for handling the sanitary sewage of samll cities and towns.
Description of drawings
The structural representation of the treatment system that Fig. 1 provides for the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment
Present embodiment provides a kind of treatment system that is used to handle small town sewage, and as shown in Figure 1, this treatment system comprises:
Pretreating zone, biological reinforced treatment zone and post processing zone; Wherein, pretreating zone is connected with post processing zone with biological reinforced treatment zone successively, cooperates by pretreating zone, biological reinforced treatment zone and post processing zone and successively sewage is handled;
Described pretreating zone is formed by connecting by blocking dirty equipment 1 and preliminary sedimentation tank 2, blocks dirty equipment 1 and can adopt grid sewage-removing machine, blocks dirty equipment 1 and is provided with the water-in that introducing is disposed of sewage; Preliminary sedimentation tank 2 can adopt tube settler;
Described biological reinforced treatment zone is provided with biological treating equipment 3, and biological treating equipment 3 can adopt blodisc equipment, and blodisc equipment can adopt any in single shaft single stage type blodisc, single-shaft multi-stage formula blodisc, the multiaxis multi-stage type blodisc.
Described post processing zone is formed by connecting by second pond 4, filtering basin 5 and sterilization pool 6, and sterilization pool 6 is provided with the water outlet of discharging treating water.Wherein, second pond 4 can adopt perpendicular pond settling tank; Filtering basin 5 can adopt the microporous fibre filter cloth is set in it, carry out filtering fibre filter by the microporous fibre filter cloth; Sterilization pool 6 can adopt the uv sterilisation pond that uv sterilisation equipment is set in it.
Below in conjunction with process, above-mentioned treatment system is described further sewage disposal.
The treatment system that present embodiment provides be a kind of with the blodisc technology be core, in conjunction with physics, the chemically treated system that small town sewage is handled that is applicable to, this system comprises pretreating zone, biological reinforced treatment zone and post processing zone three parts, can carry out pre-treatment, biological reinforced processing and subsequent disposal to the sewage that enters successively.
Wherein, pretreating zone connects to form successively by blocking dirty equipment and preliminary sedimentation tank, blocking dirty equipment, to adopt the grid gap be the fine fack dirt remover of 1～3mm, and the effect of blocking dirty equipment is to tackle in the water inlet particle diameter greater than suspended substance or the floating matter of 3mm, as fiber, hair, pericarp, plastics etc.; Preliminary sedimentation tank adopts tube settler, removes the efficient height, the residence time is short, floor space is little, is mainly used in to remove the bigger flocculence suspended solids of particle diameter, has the function of regulating pondage, water quality concurrently.The main effect of pretreating zone is to alleviate the processing of follow-up bioprocess technology load, and guarantees its normal operation.
Blodisc equipment is set in the biological reinforced treatment zone, for being that core is further handled the water outlet of pretreating zone with blodisc technology, specifically can adopt the rotary biomembrance process water technology of profit wall type, slow rotation by rotating shaft, the disk that drive is made by special substance alternately contacts with waste water with air, thereby adhere to the microbial film that one deck grows a large amount of microorganisms on disc, the organic pollutant in the sewage is the adsorbed and degraded of microbial film, can also have the function of denitrogenation dephosphorizing simultaneously.Different according to the water yield and processing requirements, blodisc equipment can be adopted any in single shaft single-stage, single-shaft multi-stage, the multiaxis different arrangement form such as multistage; The sludge quantity of blodisc equipment is few, main from the aging microbial film that comes off on the disc, formed mud density is higher, be easy to precipitation, the part sludgd deposition is in blodisc oxidation trough bottom, regularly discharge by the bottom shore pipe, rest part can be trapped in the second pond of follow-up post processing zone.This blodisc equipment that utilizes carries out processing mode to sewage, has the microorganism concn height, and the anti impulsion load ability is strong, and power consumption is low and simple to operate, maintenance management convenient, is highly suitable for the advantages such as processing of sanitary sewage on a small scale.Make that most organic pollutants and nitrogen phosphorus can obtain removing in the sewage in biological treatment.
Post processing zone is connected to form successively by second pond, high-efficiency fiber filter tank and sterilization pool, and main effect is to remove the suspended substance of water outlet and sterilization, sterilization.Wherein, second pond can adopt vertical sedimentation tank, have floor space little, be convenient to spoil disposal, the management characteristic of simple, in second pond, carry out mud-water separation with the effusive microbial film that comes off of water outlet; The second pond water outlet enters the high-efficiency fiber filter tank, further remove less suspended particle and the colloidalmaterial of particle diameter in the water body by the filteration of microporous fibre filter cloth, and can effectively reduce the colourity and the turbidity of water outlet, also has phosphorus removal functional in conjunction with adding chemical agent, can adopt processing back water that it is carried out back flushing after the filter cloth dirt is stifled, the bottom deposition is regularly discharged; After precipitation, filtration, bacteria content reduces significantly in the water outlet, but its absolute value is still very considerable, and have the possibility of pathogenic bacteria, and therefore adopt the sterilization pool that ultraviolet equipment is set, adopt uviolizing to reach sterilization, disinfectant effect, disinfection by ultraviolet light speed is fast, efficient is high, and do not influence the physical properties and the chemical ingredients of water, do not increase the stink of water, operational administrative is also simpler.
After above-mentioned treatment system is handled, BOD in the water outlet
5, every index such as COD, ammonia nitrogen, phosphorus, suspended substance, colourity all can reach the standard of " urban wastewater treatment firm pollutant emission standard " (GB 18918-2002) one-level A, water outlet can directly discharge or be applied to carwash, flush the toilet and green area irrigation etc.; Concentrate after the bottom deposition in the precipitating sludge of preliminary sedimentation tank, second pond and blodisc oxidation trough and high-efficiency fiber filter tank is discharged and handle; The high-efficiency fiber filter back washing water water yield is less, can deliver to the preliminary sedimentation tank circular treatment.
The treatment system that present embodiment provides, simple in structure, the capital construction cost is low, the processing efficiency height, be highly suitable for the sewage of samll cities and towns is handled, the sewage characteristics and the level of economic development that meet China samll cities and towns are a kind of reduced investments, take up an area of less, working cost is low, treatment effect good, the Sewage treatment systems of simple to operate, convenient management.
Can know that preliminary sedimentation tank and second pond also can adopt the settling tank of other form in the above-mentioned treatment system, as long as play corresponding effect.Also other biological treating equipment can be set in the biological reinforced treatment zone, as long as the sewage that plays entering carries out biological reinforced processing.Sterilization pool also can adopt other chemical disinfection technology generation for uv sterilisation, but chemical disinfection can cause and has secondary pollution.
In sum, the utility model embodiment constitutes the treatment system of sewage by organic cooperation of pretreating zone, biological reinforced treatment zone and post processing zone, blodisc equipment particularly is set in biological reinforced treatment zone, makes and to utilize this treatment system can effectively remove organic pollutant, nitrogen, phosphorus, suspended substance and colourity in the sanitary sewage.For samll cities and towns' sewage disposal provides a useful approach, this treatment system actual application value is big and have a extensive future.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the 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 claims.
Claims (8)
1. a treatment system that is used to handle small town sewage is characterized in that, comprising:
Pretreating zone, biological reinforced treatment zone and post processing zone;
Described pretreating zone is connected with post processing zone with biological reinforced treatment zone successively;
Described pretreating zone is formed by connecting by blocking dirty equipment and preliminary sedimentation tank, blocks dirty equipment and is provided with the water-in that introducing is disposed of sewage;
Described biological reinforced treatment zone is provided with biological treating equipment;
Described post processing zone is formed by connecting by second pond, filtering basin and sterilization pool, and sterilization pool is provided with the water outlet of discharging treating water.
2. the treatment system that is used to handle small town sewage as claimed in claim 1 is characterized in that, to adopt grid grid crack be the fine fack dirt remover of 1～3mm to the dirty equipment of blocking of described pretreating zone.
3. the treatment system that is used to handle small town sewage as claimed in claim 1 is characterized in that, the preliminary sedimentation tank of described pretreating zone adopts tube settler.
4. the treatment system that is used to handle small town sewage as claimed in claim 1 is characterized in that, the biological treating equipment of described biological reinforced treatment zone adopts blodisc equipment.
5. the treatment system that is used to handle small town sewage as claimed in claim 1 is characterized in that, described blodisc equipment adopts any in single shaft single stage type blodisc, single-shaft multi-stage formula blodisc, the multiaxis multi-stage type blodisc.
6. the treatment system that is used to handle small town sewage as claimed in claim 1 is characterized in that, the second pond of described post processing zone adopts perpendicular pond settling tank.
7. the treatment system that is used to handle small town sewage as claimed in claim 1 is characterized in that, the filtering basin of described treatment zone adopt the microporous fibre filter cloth is set in it, carry out filtering fibre filter by the microporous fibre filter cloth.
8. the treatment system that is used to handle small town sewage as claimed in claim 1 is characterized in that, described sterilization pool adopts the uv sterilisation pond that uv sterilisation equipment is set in it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202692396U CN201770580U (en) | 2010-07-21 | 2010-07-21 | System for treating domestic sewage of small town |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202692396U CN201770580U (en) | 2010-07-21 | 2010-07-21 | System for treating domestic sewage of small town |
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| Publication Number | Publication Date |
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| CN201770580U true CN201770580U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202692396U Expired - Fee Related CN201770580U (en) | 2010-07-21 | 2010-07-21 | System for treating domestic sewage of small town |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253828A (en) * | 2013-05-24 | 2013-08-21 | 四川环能德美科技股份有限公司 | Water treatment system for dispersed sewage treatment in villages and towns |
| CN103739160A (en) * | 2013-12-26 | 2014-04-23 | 河北天朗环保工程有限公司 | Biological rotary table with rib disc sheet |
| CN103739069A (en) * | 2013-12-26 | 2014-04-23 | 河北天朗环保工程有限公司 | Biological rotating disc with flow recovery device |
| CN103755108A (en) * | 2014-02-20 | 2014-04-30 | 王春爱 | Municipal wastewater purification treatment method |
| CN105293765A (en) * | 2015-10-26 | 2016-02-03 | 北京东方协和医药生物技术有限公司 | Domestic wastewater treatment fundamental technology |
| CN106630503A (en) * | 2017-03-24 | 2017-05-10 | 苏州林信源自动化科技有限公司 | Biological treatment apparatus for water |
| CN109502915A (en) * | 2018-12-25 | 2019-03-22 | 王跃 | A kind of sewage-treatment plant of high-efficiency environment friendly |
| CN111170560A (en) * | 2020-01-08 | 2020-05-19 | 广西国宏智鸿环保科技集团有限公司 | Villages and towns sewage purification system |
-
2010
- 2010-07-21 CN CN2010202692396U patent/CN201770580U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253828B (en) * | 2013-05-24 | 2016-06-01 | 四川环能德美科技股份有限公司 | A kind of water treatment system administered for villages and small towns decentralized type sewage |
| CN103253828A (en) * | 2013-05-24 | 2013-08-21 | 四川环能德美科技股份有限公司 | Water treatment system for dispersed sewage treatment in villages and towns |
| CN103739160A (en) * | 2013-12-26 | 2014-04-23 | 河北天朗环保工程有限公司 | Biological rotary table with rib disc sheet |
| CN103739069A (en) * | 2013-12-26 | 2014-04-23 | 河北天朗环保工程有限公司 | Biological rotating disc with flow recovery device |
| CN103739069B (en) * | 2013-12-26 | 2016-01-27 | 沃特加德(北京)工程技术有限公司 | A kind of blodisc with flow recovery device |
| CN103755108A (en) * | 2014-02-20 | 2014-04-30 | 王春爱 | Municipal wastewater purification treatment method |
| CN103755108B (en) * | 2014-02-20 | 2015-06-17 | 山东飞洋环境工程有限公司 | Municipal wastewater purification treatment method |
| CN105293765A (en) * | 2015-10-26 | 2016-02-03 | 北京东方协和医药生物技术有限公司 | Domestic wastewater treatment fundamental technology |
| CN106630503A (en) * | 2017-03-24 | 2017-05-10 | 苏州林信源自动化科技有限公司 | Biological treatment apparatus for water |
| CN109502915A (en) * | 2018-12-25 | 2019-03-22 | 王跃 | A kind of sewage-treatment plant of high-efficiency environment friendly |
| CN109502915B (en) * | 2018-12-25 | 2019-11-29 | 乐清市华尊电气有限公司 | A kind of sewage-treatment plant of high-efficiency environment friendly |
| CN110615583A (en) * | 2018-12-25 | 2019-12-27 | 王跃 | Efficient and environment-friendly sewage treatment device |
| CN111170560A (en) * | 2020-01-08 | 2020-05-19 | 广西国宏智鸿环保科技集团有限公司 | Villages and towns sewage purification system |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100081 Beijing city Haidian District North Shimonoseki street, No. 7 Patentee after: Sound Group Co.,Ltd. Address before: 100081 Beijing city Haidian District North Shimonoseki street, No. 7 Patentee before: Beijing Sound Group Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20180721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |