CN103408145A - Deeply centralized treatment process of domestic sewage and wastewater - Google Patents
Deeply centralized treatment process of domestic sewage and wastewater Download PDFInfo
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- CN103408145A CN103408145A CN2013103579647A CN201310357964A CN103408145A CN 103408145 A CN103408145 A CN 103408145A CN 2013103579647 A CN2013103579647 A CN 2013103579647A CN 201310357964 A CN201310357964 A CN 201310357964A CN 103408145 A CN103408145 A CN 103408145A
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Abstract
The invention belongs to the field of environmental engineering and in particular relates to a deeply centralized treatment process of domestic sewage and wastewater. According to the deeply centralized treatment process of domestic sewage and wastewater, a subsurface wetland biological bed is comprised; the subsurface wetland biological bed is characterized in that a plurality of porous ceramic filter tubes are vertically distributed on the biological bed in a star-shaped manner, the lower ends of the porous ceramic filter tubes contact with the bottom of the biological bed; and the upper ends of the porous ceramic filter tubes extend out of the surface of the biological bed. The deeply centralized treatment process of domestic sewage and wastewater disclosed by the invention is simple in technical process, convenient to operate and manage, economical in floor area and investment of capital construction, free of a secondary sedimentation tank, high in biological density, coordinated with the ecological environment, free of emitted peculiar smell, and good and stable in effluent quality.
Description
(1) technical field
The invention belongs to field of environmental engineering, particularly one way of life sewage and the waste water advanced technique that focuses on.
(2) background technology
China is the country of a water resources critical shortage, and water resources ownership per capita is only world occupancy volume per person's 1/4, and change in time and space is very big, and distributed pole is inhomogeneous.Southeast provinces and cities water resources is abundant, and northwest provinces and cities shortage of water resources.China is again a large agricultural country, and agricultural water occupies significant proportion, and lack of water becomes the principal element of restriction rural economic development.The water resources of China is critical shortage, makes the matter worse yet more serious water pollutes the utilization be undoubtedly water resources, and along with the development of rural economy and the rapid emergence of township and village enterprises, the problem that Rural Water Environment is polluted also displays day by day.
According to measuring and calculating, whole nation waste water annual emissions is 652.1 hundred million tons, surface water quality totally is slight pollution, lake (reservoir) eutrophication problem is outstanding, according to existing " urban wastewater treatment firm pollutant emission standard " regulation of China, according to different process, to sewage disposal degree and take in function of water body, conventional emission standard is divided into to three grades: primary standard, secondary standard and grade III Standard.Wherein primary standard is divided into again A standard and B standard.Most domestic sewage work generally requires effluent quality to want the meeting tier 2 standard at present, and treatment process generally adopts activated sludge process.Sewage recycling is generally one of good developing direction of sewage treatment industry, namely usually said waste water reclamation utilization, industry, agricultural and sanitary wastewater are drawn in predetermined purification system, adopt the method for physics, chemistry or biology to process, make it reach the whole process that can re-use standard.Its initial cost water per ton is no less than 2000 yuan, and running cost is per ton 1 yuan of left and right.So how reducing initial cost and reducing running cost is the key that solves environment and economic problems.
(3) summary of the invention
The present invention is in order to make up the deficiencies in the prior art, provides that a kind of technical process is succinct, operational management sanitary sewage and the waste water advanced technique that focuses on easily.
The present invention is achieved through the following technical solutions:
One way of life sewage and the waste water advanced technique that focuses on, comprise the current wetland biological bed, it is characterized in that: star-shaped several porous ceramic filter pipes that vertically are distributed with on described biological bed, end in contact biological bed bottom under porous ceramic filter pipe, the biological bed surface is stretched out in upper end, in porous ceramic filter pipe, is contained with the high-effective microorganism bacterium of putting into from the upper end import.
The present invention uses ripe oxidation pond technological transformation and becomes Black Liquor with Efficient Bacteria current wetland biological bed technique, porous ceramic filter pipe is as the huge carrier of a kind of specific surface area, has filtration resistance little, good penetrability, corrosion-resistant, crushing resistance good, long service life, produce simple, the advantage such as easy to use, for High Efficient Bacteria provides habitat and procreation place, that is to say and formed a Black Liquor with Efficient Bacteria factory.
More excellent scheme of the present invention is:
The body side periphery of described porous ceramic filter pipe is enclosed with the porous breathable ceramic filter membrane.
Porous ceramic filter pipe, plays a part, from the upper air of carrying to bottom, namely to have realized the aeration effect of biological bed from the bottom of biological bed above humous.
According to different water quality, the water yield have for the different high-effective microorganism bacterium of choosing from suitable for reading, put into porous ceramic filter pipe, also play a part to supplement Black Liquor with Efficient Bacteria for operating system.
Microbial bacteria is put into down in the sewage in porous ceramic filter pipe, and microbial bacteria will survive rapidly in sewage, and outwards breeding, flutter food organic, just produces vital reaction without power; Because microbial bacteria can not run off in porous ceramic filter pipe, capacity of resisting impact load is strong, low temperature resistant, under water temperature condition more than 4 ℃, can normally move, effective, at cold district, on biological bed, add a cover certain thickness earth and lagging material winter, and manage also easy; In addition, there do not is sludge bulking, do not need returned sluge yet, thereby reach degradation of contaminant, the effect of purifying water body.
Technical process of the present invention is simple, operational management is convenient, and floor space and initial cost are economized, and do not need second pond, biological density is high, with ecotope, coordinate mutually, do not emit bad smell, effluent quality is good and stable, without working cost, meet emission request, admit water body concentration high, hydraulic load and dissolving load are much higher than traditional waste water treatment process.
(4) embodiment
Embodiment 1:
The present invention includes and purify the current wetland biological bed, it is characterized in that: star-shaped several porous ceramic filter pipes that vertically are distributed with on described biological bed, end in contact biological bed bottom under porous ceramic filter pipe, the biological bed surface is stretched out in upper end; The body side periphery of porous ceramic filter pipe is enclosed with the porous breathable ceramic filter membrane, in porous ceramic filter pipe, is contained with the high-effective microorganism bacterium of putting into from the upper end import; According to sewage quality, the water yield have for choose the high-effective microorganism bacterium, drop in porous ceramic filter pipe; Wherein, the high-effective microorganism bacterium is the composite flora that nitrifier and denitrifying bacteria form.
Embodiment 2:
This project is used the advantage that the specific surface area of porous ceramic filter pipe is huge, can adsorb the microorganism that quantity is larger, have for input, for carrying out sanitary sewage and waste water advanced processing, one-time investment is low, energy consumption is low, stable, working cost is low, maintenance management is convenient, simultaneously, consider flood discharge safety factors, environmental landscape factor, water conservancy factor, for solving water pollution problems, great help is arranged.
Feasibility test:
In the artificial swamp of the Qihe County north of the city long run test through more than 200 days: influent COD cr at 200mg/L, SS at 200 mg/L, NH
3-N is in the situation that 25 about mg/L, stable water outlet, effluent quality CODcr:24mg/L, SS:16, NH
3Below-N:0.23mg/L.In all experiments were process, range of temperature is in 4 to 28 ℃ of scopes.This experimentation is except the required a small amount of kinetic energy of lifting sewage, almost without other working cost.
Conclusion: China is a developing country, and the sewage disposal auxiliary facility is relatively backward; China is again the large agricultural country of a lack of water, populous.What this project implementation can be suited measures to local conditions carries out advanced treatment to sanitary sewage and waste water, promotes the development of economy when reducing investment outlay, and this is to improving the resident living level, and the target tool of economic construction is of great significance.
Claims (2)
1. one way of life sewage and the waste water advanced technique that focuses on, comprise the current wetland biological bed, it is characterized in that: star-shaped several porous ceramic filter pipes that vertically are distributed with on described biological bed, end in contact biological bed bottom under porous ceramic filter pipe, the biological bed surface is stretched out in upper end, in porous ceramic filter pipe, is contained with the high-effective microorganism bacterium of putting into from the upper end import.
2. sanitary sewage according to claim 1 and the waste water advanced technique that focuses on, it is characterized in that: the body side periphery of described porous ceramic filter pipe is enclosed with the porous breathable ceramic filter membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103579647A CN103408145A (en) | 2013-08-16 | 2013-08-16 | Deeply centralized treatment process of domestic sewage and wastewater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103579647A CN103408145A (en) | 2013-08-16 | 2013-08-16 | Deeply centralized treatment process of domestic sewage and wastewater |
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| CN103408145A true CN103408145A (en) | 2013-11-27 |
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| CN2013103579647A Pending CN103408145A (en) | 2013-08-16 | 2013-08-16 | Deeply centralized treatment process of domestic sewage and wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103749371A (en) * | 2014-01-22 | 2014-04-30 | 深圳市农业生物技术发展有限公司 | Household balcony fish and vegetable symbiotic system |
Citations (6)
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| JPH11309483A (en) * | 1998-04-28 | 1999-11-09 | Pub Works Res Inst Ministry Of Constr | Water purifying method using wetland in combination |
| CN201372233Y (en) * | 2009-02-26 | 2009-12-30 | 浙江省环境监测中心 | Unpowered integral artificial-wetland wastewater treatment system |
| CN201632134U (en) * | 2010-03-25 | 2010-11-17 | 宋瑞平 | Porous ceramic tube water treatment filter device |
| CN201834809U (en) * | 2010-07-13 | 2011-05-18 | 江西省环境保护科学研究院 | High-reoxygenation tidal flow constructed wetland |
| KR20110122953A (en) * | 2010-05-06 | 2011-11-14 | 백순기 | Formation method for purifying marsh using accumulated micro organism and functional ceramics |
| CN102745815A (en) * | 2012-06-29 | 2012-10-24 | 宋瑞平 | Domestic sewage and wastewater advanced centralized treatment process |
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2013
- 2013-08-16 CN CN2013103579647A patent/CN103408145A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11309483A (en) * | 1998-04-28 | 1999-11-09 | Pub Works Res Inst Ministry Of Constr | Water purifying method using wetland in combination |
| CN201372233Y (en) * | 2009-02-26 | 2009-12-30 | 浙江省环境监测中心 | Unpowered integral artificial-wetland wastewater treatment system |
| CN201632134U (en) * | 2010-03-25 | 2010-11-17 | 宋瑞平 | Porous ceramic tube water treatment filter device |
| KR20110122953A (en) * | 2010-05-06 | 2011-11-14 | 백순기 | Formation method for purifying marsh using accumulated micro organism and functional ceramics |
| CN201834809U (en) * | 2010-07-13 | 2011-05-18 | 江西省环境保护科学研究院 | High-reoxygenation tidal flow constructed wetland |
| CN102745815A (en) * | 2012-06-29 | 2012-10-24 | 宋瑞平 | Domestic sewage and wastewater advanced centralized treatment process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103749371A (en) * | 2014-01-22 | 2014-04-30 | 深圳市农业生物技术发展有限公司 | Household balcony fish and vegetable symbiotic system |
| CN103749371B (en) * | 2014-01-22 | 2015-12-09 | 深圳市航天食品分析测试中心有限公司 | A kind of household balcony fish and vegetable symbiotic system |
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Application publication date: 20131127 |