CN1159233C - Equipment for denitrifying and dephosphating sewage in integrated aerobic/anaerobic biologic fiter pool - Google Patents

Equipment for denitrifying and dephosphating sewage in integrated aerobic/anaerobic biologic fiter pool Download PDF

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Publication number
CN1159233C
CN1159233C CNB021176167A CN02117616A CN1159233C CN 1159233 C CN1159233 C CN 1159233C CN B021176167 A CNB021176167 A CN B021176167A CN 02117616 A CN02117616 A CN 02117616A CN 1159233 C CN1159233 C CN 1159233C
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China
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water
anaerobic
aerobic
biofilter
pond
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Expired - Fee Related
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CNB021176167A
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CN1382647A (en
Inventor
霞 黄
黄霞
施汉昌
胡洪营
段志勇
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Tsinghua University
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Tsinghua University
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Abstract

The present invention relates to a sewage nitrogen and phosphorus removal device with an anaerobic /aerobic integrated low-energy consumption biological filter pond, which belongs to the technical field sewage treating equipment and comprises an anaerobic biological filter pond, an aerobic biological filter pond and a water separator mutually communicated, wherein a settling zone and a filtering zone are respectively arranged in the anaerobic biological filter pond, and filling material is filled into the filtering zone; filling material is filled in the aerobic biological filter pond; a water distributing canal and a flow guiding weir which are crosswise communicated are arranged above the filling material; one end of the water distributing canal is communicated with the anaerobic biological filter pond, and the lower part of the filling material is provided with a ventilating opening. The sewage treating device designed by the present invention has the advantages of high denitrification efficiency, small occupation of land, low input, gravity flows as the water flows of the device, natural ventilation in the aerobic biological filter pond, no need of power, low operation cost and simple management and maintenance of the device.

Description

Aerobic/anaerobic integral type less energy-consumption biological filter sewage water denitrification dephosphorization apparatus
Technical field
The present invention relates to a kind of aerobic/anaerobic integral type less energy-consumption biological filter sewage water denitrification dephosphorization apparatus, belong to sewage denitrification and dephosphorization technical field based on the biological filter, be applicable to the small towns, the sub-district of living etc. disperseed geographic small-scale sewage disposal, particularly is the situation that major objective or application area lack power and source of fund with the denitrogenation dephosphorizing.
Background technology
In recent years, along with industry, agricultural and expanding economy, the eutrophication situation in the dead front type waters that is caused by high nitrogen and phosphorus content sewage discharge is on the rise.Therefore, the high-efficient denitrification and dephosphorization arts demand is developed; In addition, the Rural areas pollution of area source is badly in need of controlled, need develop the low input, low cost, the manageable water treatment device that adapt with the Rural areas that lacks power and source of fund.The biological filter is a traditional wastewater treatment unit, has the saving energy, the characteristics that the cost that puts into operation is low, but its common form is single anaerobism or aerobic form, denitrogenation effectively; Filler commonly used has porosity little, easily cause the shortcoming of obstruction, and absorption property is poor, effectively dephosphorization.
Summary of the invention
Purpose of the present invention is exactly the shortcoming at prior art, design a kind of aerobic/anaerobic integral type less energy-consumption biological filter sewage water denitrification dephosphorization apparatus, on the basis in traditional biological filter tank, absorb it and save the energy, the advantage that the cost that puts into operation is low, overcome its easy obstruction, the inefficient shortcoming of denitrogenation dephosphorizing, the aerobic/anaerobic integral type less energy-consumption biological filter sewage water denitrification dephosphorization apparatus that proposes, have the high-efficient denitrification and dephosphorization ability, be difficult for stopping up, stable, take up an area of less, the cost that puts into operation is low, save the energy, bookkeeping advantage simply and easily.
The aerobic/anaerobic integral type less energy-consumption biological filter sewage water denitrification dephosphorization apparatus of the present invention's design comprises anaerobic biofilter, aerobic biofilter and water trap, the mutual successively UNICOM of three.Set up settling region and filtrating area in the anaerobic biofilter separately, filtrating area is provided with filler.Be provided with filler in the aerobic biofilter, the top of filler is distributing flue and weir, and both are cross mutual UNICOM, and an end of distributing flue communicates with anaerobic biofilter, and the bottom of filler is provided with ventilation opening.
Water trap in the above-mentioned sewage water denitrification dephosphorization apparatus, two kinds of different structure formations can be arranged, first kind is round shape, the center is provided with water inlet pipe in the tube, this water inlet pipe links to each other with the rising pipe of aerobic biofilter, radially is provided with two watershed partitions, and the bottom in two zones that formed by two watershed partitions is respectively equipped with water outlet, two water outlets link with discharging water pipe and backflow water pipe respectively, and the backflow water pipe is connected with the water inlet pipe of anaerobic biofilter.Second kind is the cuboid pond, is provided with transverse wall and vertical clapboard in the pond, and the top of transverse wall and vertical clapboard is lower than the top, pond.Transverse wall is divided into inhalant region and exhalant region two portions with the pond, and vertical clapboard is divided into two zones with exhalant region, and the bottom in each zone is provided with water outlet, links with backflow water pipe and discharging water pipe respectively, and the backflow water pipe is connected with the water inlet pipe of anaerobic biofilter.
The aerobic/anaerobic integral type less energy-consumption biological filter sewage water denitrification dephosphorization apparatus of the present invention's design has the following advantages:
(1) two biological filter organic assembling of aerobic/anaerobic pond body constitute the aerobic/anaerobic system, have the efficient denitrification ability;
What (2) fill in the body of pond is the mixed fillers that phosphorus is had high absorption property and high porosity, as Wingdale, brick, gravel etc.;
(3) agent set is an integral structure, have occupation of land less, the low characteristics that drop into;
(4) the agent set current are run by gravity, and aerobic biofilter is natural ventilation, need not power, and running cost is low;
(5) the technology dynamic structure is simple, the novel mixed high efficiency packing with high porosity characteristics of filling in aerobic biofilter makes that the filter tank is difficult for stopping up, it is simple that these all make whole process management safeguard, makes its application at environmental area that very bright future be arranged.
Description of drawings
Fig. 1 is the structural representation of the sewage water denitrification dephosphorization apparatus that designs of the present invention;
Fig. 2 is the orthographic plan of Aerobic Pond distributing flue among Fig. 1;
Fig. 3 is the structural representation of first kind of adjustable water trap;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the structural representation of second kind of adjustable water trap;
Fig. 6 is the vertical view of Fig. 5.
Among Fig. 1~Fig. 6, the 1st, sewage water denitrification dephosphorization apparatus water inlet pipe, the 2nd, settling region, the 3rd, shore pipe, the 4th, anaerobic biofilter, the 5th, elasticity or semi soft packing, the 6th, middle distributing flue, the 7th, the aproll weir, the 8th, aerobic biofilter, the 9th, mixed fillers, the 10th, ventilation opening, the 11st, adjustable water trap water inlet pipe, the 12nd, adjustable water trap, the 13rd, backflow water pipe, the 14th, discharging water pipe, the 15th, adjustable water trap urceolus, the 16th, water inlet pipe, the 17th, watershed partition, the 18th, rising pipe, the 19th, transverse wall, the 20th, vertical clapboard.
Embodiment
As shown in Figure 1, the aerobic/anaerobic integral type less energy-consumption biological filter sewage water denitrification dephosphorization apparatus of the present invention's design comprises anaerobic biofilter, aerobic biofilter 8 and water trap 12, the mutual successively UNICOM of three.Set up settling region 2 and filtrating area 4 in the anaerobic biofilter separately, filtrating area is provided with elasticity or semi soft packing 5.Be provided with mixed fillers 9 in the aerobic biofilter, the top of filler is distributing flue 6 and weir 7, and both are the mutual UNICOM of cross, and an end of distributing flue communicates with anaerobic biofilter, and the bottom of filler is provided with ventilation opening 10.
Water trap in apparatus of the present invention, two kinds of different structure formations can be arranged, first kind is round shape, as shown in Figure 3 and Figure 4, the center is provided with water inlet pipe 16 in the tube, and this water inlet pipe links to each other with the rising pipe 11 of aerobic biofilter, radially be provided with two watershed partitions 17, the bottom in two zones that formed by two watershed partitions is respectively equipped with 18, two water outlets of water outlet and links with discharging water pipe 14 and backflow water pipe 13 respectively, and backflow water pipe 13 is connected with the water inlet pipe 1 of anaerobic biofilter.
Second kind of structure formation of water trap is the cuboid pond, is provided with transverse wall 19 and vertical clapboard 20 in the pond, and the top of transverse wall and vertical clapboard is lower than the top in pond.Transverse wall is divided into inhalant region I and exhalant region II two portions with the pond, vertical clapboard is divided into two zones with exhalant region, the bottom in each zone is provided with water outlet, links with backflow water pipe 13 and discharging water pipe 14 respectively, and backflow water pipe 13 is connected with the water inlet pipe 1 of anaerobic biofilter.
The waste disposal plant of the present invention's design, anaerobic pond is made up of settling region and anaerobic biofilter, and the anaerobic pond body comprises two parts: settling region and anaerobic biofilter.Both are combined in the pond body, and there is the flow deflector of a vertical direction centre; The settling region of anaerobism part is used for the precipitation of suspended substance, and anaerobic filter is used for denitrification, and first zone of anaerobic biofilter is filled with elasticity or semi soft packing.The water distribution Aerobic Pond of aerobic biofilter is made up of an aerobic biofilter, has constituted an aerobic/anaerobic denitrogenation dephosphorizing process.The effect in aerobic filter tank is to carry out nitratedly, and by filling out the phosphorus of being rivals in a contest the mixed filler of high absorption property and high porosity is arranged, and as Wingdale, brick, gravel etc., reaches the effective removal to phosphor in sewage.Natural ventilation is adopted in the ventilation in aerobic filter tank, does not need to consume other energy.Have ventilation opening by a certain percentage in the bottom, filter tank, air enters from the bottom, discharges from top through filler.Separate with partition wall in the middle of anaerobic pond body and the Aerobic Pond body.Adopt V-notch weir, flow to the filter tank certainly.Water outlet in aerobic filter tank is provided with the special water trap of regulating branch water ratio, can the watershed partition among Fig. 3 17 be made circumference along the water inlet barrel according to the denitrogenation needs rotates, or move along transverse wall 19, thereby make the water outlet of aerobic filter tank according to the difference proportional diverting that refluxes as the vertical clapboard among Fig. 5 20.A part is as system's water outlet discharging; Another part is back to anaerobic filter, promotes the denitrification of anaerobic filter.
The anaerobic aerobic integrated formula biological filtering pool water treatment apparatus working mechanism that the present invention proposes is as follows:
(1) precipitation zone of anaerobic pond body front end and anaerobic biofilter portion water flow path are the U type in aerobic/anaerobic integral bio filter tank, and sewage in this stage precipitating action takes place, and suspended substance significantly reduces in the sewage.The obstruction that this has alleviated the biological filter part helps the long-term normal operation of whole device.
(2) comprise two parts in the anaerobic pond, one is the settling region, one is the anaerobic biofilter district, both are combined in the pond body, the centre separates with the waterproof bulkhead of a vertical direction and the water flowing dividing plate of one side horizontal direction, save the intermediary piping system, avoided the power consumption in intermediate stage.
(3) the anaerobic biofilter filler is elasticity or semi soft packing, helps the apposition growth of microorganism.
(4) the aerobic biofilter filler is novel mixed high efficiency packing, have the high characteristics of absorption property, help organism degraded more fully in aerobic biofilter, be particularly conducive to the removal of phosphor in sewage, can solve and perplex the low problem of biological filter dephosphorization efficiency by using for a long time.
(5) the aerobic biofilter filler is novel mixed filler, characteristics with high porosity, help the ventilation of Aerobic Pond body portion aerobic biofilter, alleviated the obstruction that the medium-term and long-term operation of aerobic biofilter causes, help keeping the good oxygen condition in the filter tank, keep the intravital current in filter tank unimpeded, help technology operation steady in a long-term.
(6) a special water trap of regulating branch water ratio is set behind the device of integral type filter tank, it with a certain proportion of effluent recycling to the anaerobic pond water inlet.The reliability of backflow ratio and controllability make that whole technical load adaptability is stronger, and be better to the adjusting function of effluent quality.
(7) the water treatment agent set is an integral structure, separates with a retention wall in the middle of anaerobic pond body and the Aerobic Pond body, and compact simple, cost is low, takes up an area of few.
(8) device inside in integral bio filter tank does not need additionaling power, has the saving energy, is specially adapted to lack the water treatment objective area of power resources.

Claims (3)

1, a kind of aerobic/anaerobic integral type less energy-consumption biological filter sewage water denitrification dephosphorization apparatus, it is characterized in that, this device comprises anaerobic biofilter, aerobic biofilter and adjustable water trap, the three is mutual UNICOM successively, adjustable water trap with the effluent recycling of different ratios to anaerobic biofilter; Set up settling region and filtrating area in the described anaerobic biofilter separately, filtrating area is provided with filler; Be provided with filler in the described aerobic biofilter, the top of filler is distributing flue and weir, and both are cross mutual UNICOM, and an end of distributing flue communicates with anaerobic biofilter, and the bottom of filter packing is provided with ventilation opening.
2, sewage water denitrification dephosphorization apparatus as claimed in claim 1, it is characterized in that, wherein said adjustable water trap is a round shape, the center is provided with water inlet pipe in the tube, this water inlet pipe links to each other with the rising pipe of aerobic biofilter, radially be provided with two watershed partitions, watershed partition is made circumferential motion along the water inlet barrel, the bottom in two zones that formed by two watershed partitions is respectively equipped with water outlet, two water outlets link with discharging water pipe and backflow water pipe respectively, and the backflow water pipe is connected with the water inlet pipe of anaerobic biofilter.
3, sewage water denitrification dephosphorization apparatus as claimed in claim 1, it is characterized in that wherein said adjustable water trap is the cuboid pond, is provided with transverse wall and vertical clapboard in the pond, the top of transverse wall and vertical clapboard is lower than the top, pond, and vertical clapboard moves along transverse wall; Described transverse wall is divided into inhalant region and exhalant region two portions with the pond; Vertical clapboard is divided into two zones with exhalant region, and the bottom in each zone is provided with water outlet, links with backflow water pipe and discharging water pipe respectively, and the backflow water pipe is connected with the water inlet pipe of anaerobic biofilter.
CNB021176167A 2002-05-10 2002-05-10 Equipment for denitrifying and dephosphating sewage in integrated aerobic/anaerobic biologic fiter pool Expired - Fee Related CN1159233C (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1314605C (en) * 2005-05-27 2007-05-09 湖北大学 Domestic sewage denitrifying-dephosphorizing method and apparatus

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CN100363274C (en) * 2004-10-18 2008-01-23 农业部沼气科学研究所 High nitrogen high concentration organic wastewater disposal process
CN101182073B (en) * 2007-11-15 2010-09-29 上海交通大学 High-load biological filter tank sewage water treating method capable of backwashing
CN101186386B (en) * 2007-12-06 2013-03-27 诸暨菲达宏宇环保设备有限公司 Integrate highly effective low-consume town integrated sewage treatment technique
CN101671093B (en) * 2009-09-30 2011-06-29 浙江大学 Solar rural domestic sewage treating device and technique thereof
CN101792207B (en) * 2010-02-11 2011-06-15 农业部环境保护科研监测所 Gas-sealing type bioreactor for treating drained organic water
CN102086077B (en) * 2010-11-30 2013-06-19 中钢集团武汉安全环保研究院有限公司 Pulse electrochemical process for removing ammonia-nitrogen in landfill leachate
CN102134143B (en) * 2011-01-28 2013-07-10 北京市水利科学研究所 Method for treating sewage in anaerobic bio-filter and solar aeration bio-filter
CN102344199B (en) * 2011-08-24 2013-10-30 北京华利嘉环境工程技术有限公司 NISS (No Inner circumference with Stepfeed System) phosphorus and nitrogen removal automatic control device and process
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CN103172222A (en) * 2013-03-27 2013-06-26 彭称根 Industrial sewage treater
CN103496787A (en) * 2013-09-18 2014-01-08 同济大学 Biochemical simultaneous phosphorus and nitrogen removal method of domestic sewage
CN103819056B (en) * 2014-03-05 2015-09-16 东南大学 The recycling system that a kind of sewage is irrigated safely
CN109485138A (en) * 2018-12-11 2019-03-19 滕铁生 A kind of DS type aerobic reactor
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* Cited by examiner, † Cited by third party
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CN1314605C (en) * 2005-05-27 2007-05-09 湖北大学 Domestic sewage denitrifying-dephosphorizing method and apparatus

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