CN102976548A - Zero emission district sewage resource treatment apparatus - Google Patents
Zero emission district sewage resource treatment apparatus Download PDFInfo
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- CN102976548A CN102976548A CN2012103153851A CN201210315385A CN102976548A CN 102976548 A CN102976548 A CN 102976548A CN 2012103153851 A CN2012103153851 A CN 2012103153851A CN 201210315385 A CN201210315385 A CN 201210315385A CN 102976548 A CN102976548 A CN 102976548A
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Abstract
The present invention relates to a zero emission district sewage resource treatment apparatus, wherein quality of water treated by the apparatus can meet reuse requirements. The apparatus comprises a biochemistry treatment system, a physical chemistry treatment system, a disinfection system and a biological deodorization system. The biochemistry treatment system comprises grille, a regulation tank, a lifting pump and an aeration biological filtration tank, wherein the grille, the regulation tank, the lifting pump and the aeration biological filtration tank are sequentially connected through pipelines, a filler is arranged inside the aeration biological filtration tank, and a filler filling height is 1-2 m. The physical chemistry treatment system comprises a middle water tank, a quartz sand filter and an active carbon filter. The disinfection system comprises a disinfection tank and a chlorine dioxide generator, wherein a contact time in the disinfection tank is 2 min. Odor generated by sewage inside the regulation tank is collected, and then is subjected to absorption degradation by the biological deodorization system. According to the apparatus, advantages of the biological treatment process are completely provided, physical chemistry treatment cost is minimized, equipment is simple, operation cost is low, and the apparatus is a practical and feasible technology for district sewage treatment and reuse.
Description
Technical field
The invention belongs to the field of sewage disposal and resource technology, particularly a kind of community wastewater processing equipment for recycling of zero release, the water quality after the processing can arrive different reuse requirements.
Background technology
The per capita quantity not sufficient 2200m of China's water resources
3, be 1/4 of world average level only, be 20% of the U.S., Muscovite 15%.Nearly 40,000,000,000 m of the annual lack of water in the whole nation
3, the whole nation has more than 400 city to face water shortage problem in more than 660 city, city, industry year nearly 6,000,000,000 m of lack of water
3, agricultural is annual because of more than 280 hundred million kilograms in non-irrigated underproduction grain.Along with the quick propelling of Chinese Industrialization and urbanization process, the lack of water phenomenon in city is more serious.Simultaneously, along with the develop rapidly of national economy, city size is towards periphery expansion constantly.New one residential has appearred in frontier area and tourist attraction in numerous cities, and hotel, dwelling house, school, amusement and recreation facility, hospital etc. are arranged.Because subdistrict position disperses, if all sewage relies on municipal wastewater treatment plant to process, collect and carry difficulty larger, if the sewage of residential quarter all enters surface water body nearby, can pollute surrounding environment, particularly some tourist attractions, the surface water body water quality deterioration, extremely inharmonious with surrounding environment.In addition, subdistrict greening, water scenery etc. causes that water consumption continues to increase, and makes the Urban water supply ability seem not enough, causes China's water resources crisis day by day serious.In order to alleviate water resources crisis; for residential cell sewage situation and miscellaneous water requirement; set up the community wastewater treatment station, be back to the residential quarter as miscellaneous water afterwards with sewage disposal is up to standard, this is to solve existing sanitary sewage exhaust emission and and solve the effective means of the not enough problem of water
Sanitary sewage is a kind of stable water resources, the sanitary sewage of residential quarter is through after suitably processing, not only can provide new " water source " for the water resources shortage area, even to plentiful area, water source, also can play the effect of preventing and remedying pollution, alleviate the pressure of municipal downcomer network and sewage disposal, have good Social benefit and economic benefit.
But sewage disposal commonly used and middle water preparation method build large-scale wastewater treatment plant or waste disposal plant at present, and lack sewage disposal technology and the equipment that is applicable to community, garden, building and even family.
Community life sewage is processed and reuse technology is to get up on the basis of traditional urban sewage treatment process, the biological treatment+materialization treatment process that adopt more.For biological processing unit, usually adopt activated sludge process or biomembrance process, although these technology are ripe, but activated sludge process impact load adaptive faculty is poor, and sludge bulking easily occurs, and it is many to process structures, floor space is large, initial cost and working cost are high, and complex management etc. are not suitable for community wastewater and process.Biomembrance process has the advantages such as anti-shock loading, the suitable medium and small water yield, but its load is lower, investment is high, wherein, bio-contact oxidation is most widely used method, and major advantage is short, easy to be filmed of the residence time, especially be fit to equipment, extremely user's favor of buried construction, but because the problem of the aspects such as maintenance management and equipment anticorrosion, in recent years application is restricted.Process for materialization, mainly adopt coagulating sedimentation+filter+disinfect, the advantage such as it is little to have floor space, and peculiar smell is little, but operational management is complicated, investment and running cost height.Though emerging membrane bioreactor can save second pond and sand filter in recent years, because mould material is expensive, make the cost of investment of membrane bioreactor and working cost all higher.Therefore the efficient wastewater treatment and reuse method of exploiting economy remains very necessary.
The present invention is directed to the water treatment common technology exists in the residential quarter defective and deficiency, and urban water consumption increases severely, the present situations such as centering water reuse amount and the surge of reuse purposes, the advantage of comprehensive activated sludge process and biomembrance process, a kind of community wastewater resource treatment technique of zero release is proposed, and at the community wastewater processing equipment for recycling of a kind of zero release of the basis of this technology exploitation invention, realize the optimum combination of biochemical-physical combined regulating by the load coupling, community wastewater is carried out effectively stable processing and reuse.
Summary of the invention
The object of the invention is to develop a kind of community wastewater processing equipment for recycling of zero release.This device has less investment, floor space is little, working cost is low, the characteristics of convenient management, is suitable for miniaturization, commercialization and regularization.
The community wastewater processing equipment for recycling of a kind of zero release that the present invention proposes is comprised of biochemical treatment system, materialization treatment system, sterilisation system and stench processing system, connects by pipeline between each system.
Described biochemical treatment system is connected to form by pipeline successively by grid, equalizing tank, lift pump and BAF.Wherein grid, equalizing tank can be built jointly, grid can be placed the sewage of the equalizing tank end that becomes a mandarin, and Main Function is to remove bulk suspended substance and solid particulate, regulating pondage water quality.Establish lift pump in the equalizing tank, the water extraction after being used for regulating rises to the aeration and biological pond.BAF is the biological degradation of the aerobic or anoxic of collection and the sewage disposal working cell that is filtered into one, has removal SS, COD, BOD, nitrated, denitrogenation, falls effect of phosphorous.Be characterized in integrating bio-oxidation and filtering on the basis that primary reinforcement is processed, saved secondary sedimentation basins, its volumetric loading is large, and hydraulic detention time is short, and initial cost is few, and effluent quality is good, and energy consumption is low, economic operating cost.
The described biochemical system that is comprised of grid, equalizing tank and BAF adopts buried design, and grid places become a mandarin end, equalizing tank of the sewage of equalizing tank to adopt airtight design, and foul smell enters biological deodorizing system after collecting.
Described biological deodorizing system adopts biological filter technology deodorizing, gas contact residence time 30s.
Be provided with filler in the described BAF, the filler packing density is the 20%-30%(volume ratio), filler loading height 1-2 rice.Filler not only plays a role in filtering, and its surface attachment microbial film, can improve the biomass of system, especially provide attaching surface for poky nitrobacteria, the interior nitrifier quantity of Effective Raise system, simultaneously, the anoxic of carrier biofilm inside or anaerobic environment provide suitable growing environment for denitrifying bacteria and polyP bacteria, and then improve the Nitrogen/Phosphorus Removal of system.
The Filtration Adsorption technique that described materialization system adopts quartz filter-activated charcoal filter to form is comprised of intermediate pool, quartz filter and activated charcoal filter.Wherein the effect of intermediate pool mainly is shock absorption, in establish intermediate lift pump, sewage passes through quartz filter and activated charcoal filter successively, enters clean water basin after removing fine suspension and partial organic substances, enters sterilisation system after the short stay.
Establish administration system before the described quartz filter, comprise the dosing unit and the mixed cell that makes up a prescription fast.Wherein the dosing unit flocculation agent of mainly annotating adopts directly to add.The mixed cell that makes up a prescription fast adopts mixing pit, in establish stirrer, rotating speed is 260-300rpm, dosing pump promotes the water inlet front end that liquid directly injects quartz filter from mixing pit, and fully is mixed by waterpower mixing effect and the former water of road mixing tank.
Described sterilisation system comprises sterilization pool and chlorine dioxide generator, needs the former water of sterilization to enter sterilization pool, contacts with the ClO 2 solution that chlorine dioxide generator provides, and duration of contact, 2min reached sterilisation purpose.Water after the sterilization can directly be supplied with the user by variable frequency pump and be used for flushing the toilet or using mixedly.
A small amount of excess sludge that the community wastewater processing equipment for recycling of described zero release produces at operational process, equipment blowdown and Filter Back Washing water are all collected and are entered the balancing tank, enter system, reach zero release.
Apparatus of the present invention can realize biochemical treatment+materialization processing combined regulating optimum combination through the load matching relationship that efficiency optimization forms.
The optimum condition coupling of described system is as follows: BAF: HRT=1.5-2h, BOD
5Load=3-6 kgBOD
5/ m
3/ d; Quartz sand filtration: filtering velocity v=8-12m/s, activated carbon filtration filtering velocity v=8-10m/s, sterilization pool 2min duration of contact.
Treatment unit and working process that the present invention proposes are as follows:
The first step: community wastewater is removed most COD, SS, TN, the pollutents such as TP by the biochemical processing process section of BAF;
Second step: the biochemical treatment water outlet enters intermediate pool, is promoted by lift pump, enters successively quartz filter and activated charcoal filter, further removes the pollutents such as SS, COD and TP, has both reached city miscellaneous water water quality standard after sterilization;
Advantage of the present invention is as follows:
1, the present invention is applicable to community wastewater and processes also reuse, and native system is given full play to the advantage of biological treatment, has reduced simultaneously the materialization processing costs as far as possible.Because this combination process is subjected to water quality impact little, equipment is simple, and working cost is low, is a kind ofly to process and community wastewater processing and the recycling unit of the practical technology of reuse based on community wastewater.
2, the present invention has energy-efficient, full automatic control, simple to operate, easy to maintenance, stable effluent quality is reliable, water outlet can be back to and flush the toilet, water flowers, breed fish and building operation water etc., is specially adapted to water quality lack of water and water shortage zone and Ecotourism landscaped area, all kinds of middle-size and small-size sanitary sewage disposal, middle water reuse, energy-saving and water-saving zero release engineering etc.
Description of drawings
Fig. 1 is the community wastewater processing equipment for recycling synoptic diagram of a kind of zero release of the present invention.Numeral among the figure represents respectively:
1. 2. grating tank of intaking, 3. grids, 4. balancing tanks
5. submersible pump 6. BAF 7. intermediate pool 8. blowdown shore pipes
9. promote water pump 10. quartz filters 11. ozonizers 12. activated charcoal filters
13. clean water basin 14. chlorine dioxide generators 15. antisepsis contact tanks 16. rising pipes
17. blowdown water shoot 18. fillers 19. foul smell conduit 20. biological deodorizing systems
Embodiment
This composite processing system comprises biological treatment system and materialization treatment system two portions, referring to Fig. 1.
Biological treatment system: it is comprised of grating tank 2, balancing tank 4 and BAF 6.
Community life sewage is through collecting the laggard grating tank 2 that enters, behind the floating substance of grid 3 interception removal bulks, enter balancing tank 4, submersible pump through being installed in 4 bottoms, balancing tank 5 promotes and enters in the BAF 6 again, when flowing through filler 18, fully contact with the microorganism on the filler, according to damming and biochemical action, reach the purpose of removing organism, nitrogen and phosphorus.Sewage after treatment enters intermediate pool 7.Promote through lift pump 9, after further removing suspended solids through quartz filter 10 successively, after the ozone of ozonizer 11 generations mixes, enter activated charcoal filter 12, remove remaining organic pollutant, water outlet reaches city miscellaneous water water quality requirement, and (urban sewage reutilization city miscellaneous water water quality-GB/T18920-2002), be stored in the clean water basin 13 is used for the city and uses mixedly after sterilization.
Foul smell in grating tank 2, balancing tank 3 and the BAF 6 enter biological deodorizing system 20 after foul smell conduit 19 is collected process after discharging.
Enter that COD is 150-600mg/L in the sewage of system, TN concentration is 37～55 mg/l, NH
3-N concentration is 36-45 mg/l, and TP concentration is 5-15mg/l, and BOD is 5-8mg/L in the sewage after the processing, and TN concentration is 5～15 mg/l, NH
3-N concentration is 0-8 mg/l, and TP concentration is 1-5 mg/l, total coli group＜3/L, and pollutant removal is remarkable.
Claims (10)
1. the community wastewater processing equipment for recycling of a zero release is characterized in that being comprised of described biochemical treatment system, materialization treatment system, sterilisation system and biological deodorizing system, connects by pipeline between each system:
(1) described biochemical treatment system is connected to form by pipeline successively by grid, equalizing tank, lift pump and BAF.
2.(2) described materialization treatment system is comprised of intermediate pool and activated charcoal filter.
3.(3) described sterilisation system comprises sterilization pool and chlorine dioxide generator, needs the former water of sterilization enter sterilization pool by pipeline, contacts with the ClO 2 solution that chlorine dioxide generator provides, duration of contact, 2min reached sterilisation purpose.
4. the biochemical treatment system that is comprised of grid, equalizing tank and BAF as claimed in claim 1 adopts buried design, and grid places the sewage of the equalizing tank end that becomes a mandarin.
5. be provided with filler in the BAF for the treatment of unit as claimed in claim 1, filler loading height 1-2 rice.
6. establish administration system before the quartz filter for the treatment of unit as claimed in claim 1, add a small amount of flocculation agent and can obtain the more water outlet of high-quality, also can obtain better phosphor-removing effect simultaneously.
7. the administration system for the treatment of unit comprises the dosing unit and the mixed cell that makes up a prescription fast as claimed in claim 1.
8. the dosing unit flocculation agent of mainly annotating wherein adopts directly to add.
9. the mixed cell that makes up a prescription fast adopts mixing pit, in establish stirrer, rotating speed is 260-300rpm, dosing pump promotes the water inlet front end that liquid directly injects quartz filter from mixing pit, and fully is mixed by waterpower mixing effect and the former water of road mixing tank.
Such as claim 1 the processing device adopt long sludge retention time operation, optimum condition is mated as follows: BAF: HRT=1.5-2h, BOD
5Load=3-6 kgBOD
5/ m
3/ d; Quartz filter: filtering velocity v=8-12m/s, activated charcoal filter filtering velocity v=8-10m/s, sterilization pool 2min duration of contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103153851A CN102976548A (en) | 2011-09-06 | 2012-08-31 | Zero emission district sewage resource treatment apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120330446.2 | 2011-09-06 | ||
| CN201120330446 | 2011-09-06 | ||
| CN2012103153851A CN102976548A (en) | 2011-09-06 | 2012-08-31 | Zero emission district sewage resource treatment apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102976548A true CN102976548A (en) | 2013-03-20 |
Family
ID=47850965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103153851A Pending CN102976548A (en) | 2011-09-06 | 2012-08-31 | Zero emission district sewage resource treatment apparatus |
Country Status (1)
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936236A (en) * | 2014-05-05 | 2014-07-23 | 广州市第二建筑工程有限公司 | Multistage sewage treatment system and method |
| CN104370409A (en) * | 2013-12-18 | 2015-02-25 | 关澎 | District sanitary sewage treatment system |
| CN104973736A (en) * | 2015-07-16 | 2015-10-14 | 太仓市天丝利塑化有限公司 | Pharmacy sewage treatment system |
| CN105439379A (en) * | 2015-12-08 | 2016-03-30 | 浙江华庆元生物科技有限公司 | Domestic sewage treatment process |
| CN105502812A (en) * | 2015-12-08 | 2016-04-20 | 浙江华庆元生物科技有限公司 | Small-sized domestic wastewater integrated processor |
| CN106242187A (en) * | 2016-08-31 | 2016-12-21 | 南京河海环境研究院有限公司 | Sewage purification circulation utilizes device |
| CN107673559A (en) * | 2017-11-02 | 2018-02-09 | 叠彩区千牛起重设备经营部 | Sewage recycling processing unit |
| CN108264189A (en) * | 2016-12-30 | 2018-07-10 | 天津市西海环境工程设计有限公司 | A kind of sewage-treatment plant |
| CN109592782A (en) * | 2019-01-03 | 2019-04-09 | 沈阳建筑大学 | A kind of complex media multi-stage aeration biological filter tank intensified denitrification and dephosphorization device and method |
| CN111470709A (en) * | 2020-04-03 | 2020-07-31 | 山东沃华远达环境科技股份有限公司 | Sewage treatment equipment |
| CN112028398A (en) * | 2020-08-26 | 2020-12-04 | 广西金妙松环保工程有限公司 | High-efficiency denitrification and dephosphorization aeration biological filter integrated equipment |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104370409A (en) * | 2013-12-18 | 2015-02-25 | 关澎 | District sanitary sewage treatment system |
| CN103936236A (en) * | 2014-05-05 | 2014-07-23 | 广州市第二建筑工程有限公司 | Multistage sewage treatment system and method |
| CN103936236B (en) * | 2014-05-05 | 2015-07-15 | 广州市第二建筑工程有限公司 | Multistage sewage treatment system and method |
| CN104973736A (en) * | 2015-07-16 | 2015-10-14 | 太仓市天丝利塑化有限公司 | Pharmacy sewage treatment system |
| CN105439379B (en) * | 2015-12-08 | 2018-07-17 | 浙江华庆元生物科技有限公司 | A kind of domestic sewage treatment process |
| CN105502812A (en) * | 2015-12-08 | 2016-04-20 | 浙江华庆元生物科技有限公司 | Small-sized domestic wastewater integrated processor |
| CN105439379A (en) * | 2015-12-08 | 2016-03-30 | 浙江华庆元生物科技有限公司 | Domestic sewage treatment process |
| CN106242187A (en) * | 2016-08-31 | 2016-12-21 | 南京河海环境研究院有限公司 | Sewage purification circulation utilizes device |
| CN108264189A (en) * | 2016-12-30 | 2018-07-10 | 天津市西海环境工程设计有限公司 | A kind of sewage-treatment plant |
| CN107673559A (en) * | 2017-11-02 | 2018-02-09 | 叠彩区千牛起重设备经营部 | Sewage recycling processing unit |
| CN109592782A (en) * | 2019-01-03 | 2019-04-09 | 沈阳建筑大学 | A kind of complex media multi-stage aeration biological filter tank intensified denitrification and dephosphorization device and method |
| CN109592782B (en) * | 2019-01-03 | 2022-01-14 | 重庆中开水务有限公司 | Reinforced nitrogen and phosphorus removal device and method for composite medium multi-stage biological aerated filter |
| CN111470709A (en) * | 2020-04-03 | 2020-07-31 | 山东沃华远达环境科技股份有限公司 | Sewage treatment equipment |
| CN112028398A (en) * | 2020-08-26 | 2020-12-04 | 广西金妙松环保工程有限公司 | High-efficiency denitrification and dephosphorization aeration biological filter integrated equipment |
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Application publication date: 20130320 |