CN101870519A - Nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation - Google Patents
Nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation Download PDFInfo
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- CN101870519A CN101870519A CN 201010167021 CN201010167021A CN101870519A CN 101870519 A CN101870519 A CN 101870519A CN 201010167021 CN201010167021 CN 201010167021 CN 201010167021 A CN201010167021 A CN 201010167021A CN 101870519 A CN101870519 A CN 101870519A
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Abstract
The invention relates to a nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation, belonging to the environmental protection technical field. The bio-trickling filter comprises a filter body, a water inlet and distribution pipe, a water collection and outlet pipe, an unpowered ventilating device, a bearing layer and a filter material layer. The bio-trickling filter is characterized in that the filter material layer is positioned in the filter body; the bearing layer is positioned at the bottom of the filter material layer and is internally equipped with the water collection and outlet pipe; the water inlet and distribution pipe is positioned above the filter material layer; the unpowered ventilating device is arranged on the top of the filter body; and the filter material layer consists of an aerobic area, an facultative area, an anoxic area and an anaerobic area from top to bottom. In the invention, by strengthening the natural ventilation strength through the omnidirectional unpowered ventilating device on the top of the bio-trickling filter and utilizing the number change of the open pores on side walls of the filter and the particle size change of a filter material from top to bottom, the ventilating conditions of different areas in a reactor are controlled and the ventilation rate is adjusted so as to form the integrated aerobic, facultative, anoxic and anaerobic bio-trickling filter, thus achieving the purpose of removing organic matters, nitrogen and phosphorus.
Description
Technical field
The invention belongs to environmental protection technical field, relate to sewage disposal technology, is exactly a kind of nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation specifically.
Background technology
Bio-trickling filter is the traditional technology that biomembrance process is disposed of sewage.Its principle is to make to utilize the microbial film that anchors on the carrier (filtrate), and the organic pollutant in the sewage is held back in absorption, and pollution substance is decomposed.It has advantages such as treatment effect is stable, and the excess sludge generation is few, and the anti impulsion load ability is strong.Along with the development of novel process and novel filtrate, bio-trickling filter has become a kind of widely used biomembrance process sewage treatment process in recent years.
Except that BAF, the required oxygen of microorganism is generally supplied with by the perforate natural ventilation in traditional bio-trickling filter.The impellent of natural ventilation then is the poor of temperature and temperature in the pond, and the height in filter tank.A little less than the trickling filter air flowing motivating force, the reoxygenation effect is relatively poor, can not effectively realize denitrogenation dephosphorizing.
A kind of publication number is CN 1382647 A, and the patent of " aerobic/anaerobic integral type less energy-consumption biological filter sewage water denitrification dephosphorization apparatus " by name comprises anaerobic biofilter, aerobic biofilter and water trap, and the three is interconnected successively.Establish settling region and filtrating area in the anaerobic biofilter, be provided with filler in the aerobic biofilter, filler has ventilation opening.This patent of invention aerobic zone is natural ventilation, and the oxygen supply effect is difficult to guarantee; Reflux pump be need establish, energy consumption and running maintenance strengthened; And intensity is not high, and floor space is big.
A kind of publication number is CN 101244865 A, name is called the patent of " a kind of combined biological trickling filter of denitrogenation dephosphorizing ", adopt separately framework with packing layer split into grid shape structure, make packing layer once be divided into sand stone layer, slag compounded mix layer, gypsum packing layer, sawdust fillers layer, coke layer from top to bottom, framework helps removing problems such as filter tank obstruction, ponding separately, adopt slag compounded mix and gypsum filler, can effectively remove phosphorus and pollute.But the slag filler that this equipment adopted is difficult to obtain, and inner aerobic, anoxic and anaerobic environment are not obvious.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, energy consumption is low, maintenance is few, realize to remove organism denitrogenation dephosphorizing simultaneously, makes the nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation of water outlet qualified discharge.
The nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation that the present invention proposes, comprise pond body 1, water inlet water distributor 2, the rising pipe 3 that catchments, unpowered ventilation plant 4, supporting layer 9 and filter material layer, wherein: filter material layer is positioned at filter body 1, supporting layer 9 is positioned at the filter material layer bottom, be furnished with the rising pipe 3 that catchments in the supporting layer, water inlet water distributor 2 is positioned at the filter material layer top, body 1 top in pond is provided with unpowered ventilation plant 4, and filter material layer is made up of aerobic zone 5, aerobic area 6, oxygen-starved area 7 and anaerobic zone 8 from top to bottom.
Among the present invention, filter material layer is arranged in the grid framework 11, and grid framework 11 is divided into four layers from top to bottom, respectively aerobic zone 5, aerobic area 6, oxygen-starved area 7 and anaerobic zone 8.
Among the present invention, leave the space between the pool wall of grid framework 11 and pond body 1.
Among the present invention, pond body 1 pool wall that is positioned at aerobic zone 5 and aerobic area 6 one sides is provided with ventilation hole 10.
Among the present invention, aerobic zone 5 ventilation hole numbers are more than aerobic area 6, and aerobic zone 5 adopts double ventilation hole, and aerobic area 6 adopts single ventilation hole.
Among the present invention, the every metafiltration material particle diameter difference in the filter material layer, from top to down, particle diameter of filter medium is more and more littler.The particle diameter of filter medium maximum of aerobic zone 5, can select particle diameter for use is big particle diameter filtrates such as the hard coal of 6～8mm or artificial haydite, air permeability is good, the oxygen supply abundance.The particle diameter of filter medium of aerobic area 6 and oxygen-starved area 7 can be selected quartz sand or other filtrates of 4～5mm for use less than aerobic zone 5, and air permeability is weaker than the filtrate of aerobic zone 5, helps forming hold concurrently oxygen and anoxia condition.The particle diameter of filter medium of anaerobic zone 8 is less, can select the filtrate material of 2～4mm for use, and intensive filtration guarantees effluent quality.
The present invention is in the textural innovation to some extent of equipment, its structural feature is: by omnidirectional's unpowered intensified ventilation device natural ventilation intensity is installed at top, bio-trickling filter tank, utilize the perforate number of limit, filter tank wall to change simultaneously, in conjunction with the variation of particle diameter of filter medium from top to bottom, different zones ventilation condition in the controlling reactor, regulate ventilation, form aerobic zone, aerobic area, oxygen-starved area and anaerobic zone and be arranged in order, thereby reach the purpose of removing organism and denitrogenation dephosphorizing.The present invention has strengthened the natural ventilation of bio-trickling filter under unpowered condition, utilize characteristics realization denitrogenation dephosphorizing effect on the structure, have characteristics such as simple in structure, that cost is low, safeguard less, energy consumption is low, be applicable to the small-scale sewage treatment process, particularly Rural areas single household type sewage treatment process.
Advantage of the present invention is: 1. simple in structure, need not power consumption, and maintenance of the equipment is easy; 2. by unpowered ventilation plant enhanced natural ventilating, improve the oxygen supply effect; 3. with aerobic, the oxygen of holding concurrently, anoxic and anaerobism set and one, realize the purpose of denitrogenation dephosphorizing.
Description of drawings
Fig. 1 is the structural representation of this bio-trickling filter.
Number in the figure: 1 is the pond body, and 2 are the water inlet water distributor, and 3 for catchmenting rising pipe, and 4 is unpowered ventilation plant, and 5 is aerobic zone, and 6 is aerobic area, and 7 is the oxygen-starved area, and 8 is anaerobic zone, and 9 is supporting layer, and 10 is ventilating pit, and 11 is grid framework.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
Can see that in the embodiment shown in the figures the top of described bio-trickling filter pond body 1 is provided with unpowered ventilation plant 4, napex is except that unpowered ventilation plant 4 perforates, and other parts all seal.Unpowered ventilation plant 4 relies in the wind-force of any wind direction and the pond body 1 temperature head outer with pond body 1, is the filter tank ventilation.The filtrate layering is loaded in grid framework 11, from top to bottom by being divided into four layers.Have ventilating pit on the pool wall of aerobic zone 5 and aerobic area 6, according to different oxygen supply needs, the ventilating pit number of aerobic zone 5 is more than aerobic area 6.Particle diameter of filter medium in four layers diminishes from top to bottom gradually, and porosity diminishes thereupon, and ventilation condition is variation thereupon also.Aerobic zone 5 particle diameter of filter medium are big, and can select particle diameter for use is the filtrate of 6～8mm, and ventilation condition is good, the oxygen supply abundance.The particle diameter of filter medium of aerobic area 6 and oxygen-starved area 7 is less than aerobic zone 5, and can select particle diameter for use is the filtrate of 4～5mm, and the ventilation condition variation helps forming hold concurrently oxygen and anaerobic environment.Anaerobic zone 9 particle diameter of filter medium minimums, can select particle diameter for use is the filtrate of 2～4mm, strengthens filter effect, guarantees effluent quality.Detailed process is such, and sewage is evenly distributed on the cross section of filter tank by water inlet water distributor 2, and then sewage passes through aerobic zone 5, aerobic area 6, oxygen-starved area 7 and anaerobic zone 8 successively, denitrogenation dephosphorizing when realizing organic matter degradation.The water of handling is at last discharged the filter tank by water outlet header 3.
Claims (6)
1. nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation, comprise pond body (1), water inlet water distributor (2), the rising pipe that catchments (3), unpowered ventilation plant (4), supporting layer (9) and filter material layer, it is characterized in that filter material layer is positioned at filter body (1), supporting layer (9) is positioned at the filter material layer bottom, be furnished with the rising pipe that catchments (3) in the supporting layer, water inlet water distributor (2) is positioned at the filter material layer top, pond body (1) top is provided with unpowered ventilation plant (4), and filter material layer is made up of aerobic zone (5), aerobic area (6), oxygen-starved area (7) and anaerobic zone (8) from top to bottom.
2. nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation according to claim 1, it is characterized in that filter material layer is arranged in the grid framework (11), grid framework (11) is divided into four layers from top to bottom, respectively aerobic zone (5), aerobic area (6), oxygen-starved area (7) and anaerobic zone (8).
3. nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation according to claim 1 is characterized in that leaving the space between the pool wall of grid framework (11) and pond body (1).
4. nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation according to claim 1 is characterized in that pond body (1) pool wall that is positioned at aerobic zone (5) and aerobic area (6) one sides is provided with ventilation hole (10).
5. nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation according to claim 1 is characterized in that aerobic zone (5) ventilation hole number more than aerobic area (6), and aerobic zone (5) adopts double ventilation hole, and aerobic area (6) adopts single ventilation hole.
6. nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation according to claim 1, it is big particle diameter filtrates such as the hard coal of 6～8mm or artificial haydite that the filtrate that it is characterized in that aerobic zone (5) adopts particle diameter, the filtrate of aerobic area (6) and oxygen-starved area (7) adopts quartz sand or other filtrates of 4～5mm, and the filtrate of anaerobic zone (8) adopts the filtrate material of 2～4mm.
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| CN2010101670214A CN101870519B (en) | 2010-05-06 | 2010-05-06 | Nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation |
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| CN2010101670214A CN101870519B (en) | 2010-05-06 | 2010-05-06 | Nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation |
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| CN101870519A true CN101870519A (en) | 2010-10-27 |
| CN101870519B CN101870519B (en) | 2012-07-25 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259979A (en) * | 2011-05-18 | 2011-11-30 | 青岛三色源环保科技工程有限公司 | Novel bio-reaction bed and treatment method for landfill leachate |
| CN103864214A (en) * | 2014-03-31 | 2014-06-18 | 温州大学 | Buried sewage ecological treatment system |
| CN103964571A (en) * | 2014-04-14 | 2014-08-06 | 杭州电子科技大学 | Biomass filler anaerobic filter tank for treating oxidation-state pollutants |
| CN104003507A (en) * | 2014-05-23 | 2014-08-27 | 广州市金龙峰环保设备工程有限公司 | Quick biological filtration water treatment reactor and construction method thereof |
| CN105110474A (en) * | 2015-08-07 | 2015-12-02 | 上海交通大学 | Landscape type village sewage collecting and treating system |
| CN106242037A (en) * | 2016-08-08 | 2016-12-21 | 宜兴市金德环保设备有限公司 | A kind of zero energy consumption active microorganism bed |
| CN106379996A (en) * | 2016-11-07 | 2017-02-08 | 平潭盖亚环保科技有限公司 | Bio-filter used for treating wastewater |
| CN108706743A (en) * | 2018-05-25 | 2018-10-26 | 北京工业大学 | A kind of natural oxygenation denitrogenation filter tank of low energy consumption and operation method |
| CN108793406A (en) * | 2018-05-25 | 2018-11-13 | 北京工业大学 | The device and method of the power integrated advanced nitrogen of villages and small towns sewage fine motion |
| CN109851167A (en) * | 2019-01-31 | 2019-06-07 | 华南农业大学 | Bio-trickling filter, a kind of high load capacity bio-trickling combination landscape filter bed system and technique |
| CN114772714A (en) * | 2022-06-01 | 2022-07-22 | 农业农村部环境保护科研监测所 | Unpowered aerobic biofilter, domestic sewage treatment system and treatment method |
| CN115594348A (en) * | 2022-10-19 | 2023-01-13 | 浙江省海洋水产研究所（Cn） | Mariculture tail water purification treatment system |
| CN115872539A (en) * | 2022-12-15 | 2023-03-31 | 南京东来翰源环境科技有限公司 | Assembled biological filter based on solar thermal energy is pulled out wind and is oxygenated |
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| KR20040083025A (en) * | 2004-07-30 | 2004-09-30 | 황덕흥 | Tower Wastewater Treatment System for Nitrogen and Phosphorous Removal |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259979A (en) * | 2011-05-18 | 2011-11-30 | 青岛三色源环保科技工程有限公司 | Novel bio-reaction bed and treatment method for landfill leachate |
| CN103864214A (en) * | 2014-03-31 | 2014-06-18 | 温州大学 | Buried sewage ecological treatment system |
| CN103864214B (en) * | 2014-03-31 | 2016-02-10 | 温州大学 | A kind of buried sewage ecological treatment system |
| CN103964571A (en) * | 2014-04-14 | 2014-08-06 | 杭州电子科技大学 | Biomass filler anaerobic filter tank for treating oxidation-state pollutants |
| CN104003507A (en) * | 2014-05-23 | 2014-08-27 | 广州市金龙峰环保设备工程有限公司 | Quick biological filtration water treatment reactor and construction method thereof |
| CN104003507B (en) * | 2014-05-23 | 2016-05-25 | 广州市金龙峰环保设备工程有限公司 | Quick bio filtered water treatment reactor and construction method thereof |
| CN105110474A (en) * | 2015-08-07 | 2015-12-02 | 上海交通大学 | Landscape type village sewage collecting and treating system |
| CN106242037B (en) * | 2016-08-08 | 2019-04-19 | 宜兴市金德环保设备有限公司 | A kind of zero energy consumption active microorganism bed |
| CN106242037A (en) * | 2016-08-08 | 2016-12-21 | 宜兴市金德环保设备有限公司 | A kind of zero energy consumption active microorganism bed |
| CN106379996A (en) * | 2016-11-07 | 2017-02-08 | 平潭盖亚环保科技有限公司 | Bio-filter used for treating wastewater |
| WO2018082238A1 (en) * | 2016-11-07 | 2018-05-11 | 江西盖亚环保科技有限公司 | Biological filter bed used for treating wastewater |
| CN108706743A (en) * | 2018-05-25 | 2018-10-26 | 北京工业大学 | A kind of natural oxygenation denitrogenation filter tank of low energy consumption and operation method |
| CN108793406A (en) * | 2018-05-25 | 2018-11-13 | 北京工业大学 | The device and method of the power integrated advanced nitrogen of villages and small towns sewage fine motion |
| CN109851167A (en) * | 2019-01-31 | 2019-06-07 | 华南农业大学 | Bio-trickling filter, a kind of high load capacity bio-trickling combination landscape filter bed system and technique |
| CN114772714A (en) * | 2022-06-01 | 2022-07-22 | 农业农村部环境保护科研监测所 | Unpowered aerobic biofilter, domestic sewage treatment system and treatment method |
| CN115594348A (en) * | 2022-10-19 | 2023-01-13 | 浙江省海洋水产研究所（Cn） | Mariculture tail water purification treatment system |
| CN115872539A (en) * | 2022-12-15 | 2023-03-31 | 南京东来翰源环境科技有限公司 | Assembled biological filter based on solar thermal energy is pulled out wind and is oxygenated |
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