CN207192930U - A kind of device that black-odor riverway is administered using intensive aeration artificial swamp coupling technique dystopy - Google Patents

A kind of device that black-odor riverway is administered using intensive aeration artificial swamp coupling technique dystopy Download PDF

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CN207192930U
CN207192930U CN201721067912.6U CN201721067912U CN207192930U CN 207192930 U CN207192930 U CN 207192930U CN 201721067912 U CN201721067912 U CN 201721067912U CN 207192930 U CN207192930 U CN 207192930U
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aeration
artificial swamp
filter material
material layer
layer
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张毅敏
汪龙眠
谢雪歌
孔明
杨飞
彭福全
朱月明
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Nanjing Institute of Environmental Sciences MEP
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Nanjing Institute of Environmental Sciences MEP
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The utility model discloses a kind of device that black-odor riverway is administered using intensive aeration artificial swamp coupling technique dystopy, belong to sewage treatment area.The device includes pretreatment unit and coupling device, and wherein coupling device is respectively layer of plants, filtrate area, supporting layer from top to bottom.By pretreated sewage from top inflow device, then from the discharge outlet of bottom water is discharged;Layer of plants plants the emergent aquactic plant of certain density;Filtrate divides into upper and lower two parts, and mineral wool layer is set up in centre, and some aeration tubes are inserted in the filtrate area of upper strata, is uniformly distributed some bottom blast pipes with holes in a device, filtrate area of lower floor is led directly to, to generate the discharge of gas.The utility model will be aerated and two kinds of technologies of artificial swamp are coupled, and has obvious processing effect, simple to operate, construction cost is low, the advantage such as non-secondary pollution.

Description

One kind administers black-odor riverway using intensive aeration-artificial swamp coupling technique dystopy Device
Technical field
The utility model belongs to sewage treatment area, and intensive aeration-artificial swamp is utilized more specifically to one kind Coupling technique dystopy administers the device of black-odor riverway.
Background technology
Urban river pollutes input, especially combined flow system rainy day overflow, separate flow system rain due to long-term external source The important external source pollution such as dirty hybrid junction and rainfall precontamination runoff, substrate habitat deteriorate, and ecosystem degradation, can not complete dirt Output, transfer and the catharsis of thing are contaminated, causes pollutant serious accumulation and vicious circle, water quality deterioration simultaneously produces black smelly existing As.Meanwhile urban river largely also form endogenous pollution due to long-term viscous flow containing the bed mud of organic matter and nitrogen deposition, The water quality deterioration of urban river has been further exacerbated by, has had a strong impact on urban ecology civilization and the healthy living of resident.
Artificial swamp is a kind of conventional ecological technique, system mainly manually build, controllable, its purpose of design It is that waste water is handled by the physics in wetland natural ecosystems, chemistry and the optimum organization of biological agent.People at present Work wetland has been widely used in the engineering practice of black-odor riverway improvement, but the economy of existing artificial swamp longtime running Of poor benefits, removal efficiency is low, not notable to the removal effect of ammonia nitrogen in river course and total nitrogen.
Publication date is that in September, the 2016 Chinese invention patent 201610557612.X of 28 days discloses a kind of aeration Manual moist Ground, the invention include water delivery device, Aerobic Process for Treatment pond, anoxic denitrification pond and watercourse aeration pond, wherein Aerobic Process for Treatment pond with Water delivery device is connected, and the black and odorous water in river course is delivered to Aerobic Process for Treatment pond, anoxic denitrification pond and water delivery by water delivery device Device and Aerobic Process for Treatment pond are connected, the treated black and odorous water overflow in Aerobic Process for Treatment pond to anoxic denitrification pond, water delivery device Black and odorous water in river course is delivered into anoxic denitrification pond with supplementary carbon source, watercourse aeration pond with anoxic denitrification pond to be connected It is logical, the treated black and odorous water overflow in anoxic denitrification pond to watercourse aeration pond.The aeration artificial swamp can economical and effective be located in Black and odorous water is managed, reaches processing water《Water environment quality standard》In IV class or V class standard.It is disadvantageous in that: The artificial swamp is divided into multistep treatment, and floor space is big, and construction cost is high, and management process is complicated.
Publication date discloses a kind of micro- aeration of self-cleaning type again for the Chinese patent 201520864486.3 on March 23rd, 2016 Close artificial marsh sewage treatment system, including successively water communication include be sequentially connected by pipeline pretreatment structures, oneself The clear vertical baffling wetland sewage-treatment plant of aeration, the lateral drowned flow artificial wet land sewage-treatment plant of ANAMMOX denitrogenation-types of declining The pool is observed with biology.The sewage disposal system treatment effeciency of the utility model is high, is suitable for different change of water quality, denitrification effect Good, the artificial swamp of self-cleaning type is not easily blocked, and can be backwashed, stable effluent quality, it is ensured that wet land system it is long-term steady Fixed operation.It is disadvantageous in that:The device is made up of successively the unit wetland of multistage different processing functions, and management is very multiple It is miscellaneous, and floor space is big, construction cost is high.
Publication date discloses a kind of absorption aeration filter for the Chinese invention patent 201610082097.4 on June 1st, 2016 Pond and the coupling device of artificial swamp-ecological pond, the device include concentration basin, WAR reactors, heat exchanger, PACT ponds, ammonia nitrogen exposure Gas biological adsorption filter tank, sewage backflow pond, sewage denitrification pond, deep type phosphorus adsorption filter, artificial swamp and ecological pond, and successively It is connected.Wherein PACT ponds are used to the organic pollution in water being converted into carbon dioxide and water, are nitrate nitrogen by mineralized nitrogen, And make heavy metal ion solidification precipitation;Ammonia nitrogen aeration and biological adsorption tank is used to handle ammonia nitrogen, and the sewage for having adsorbed ammonia nitrogen is carried out Aeration, make ammonium oxidation after nitrate nitrogen, to be discharged into sewage backflow pond;Sewage denitrification pond, for making nitrate nitrogen and sewage In organic pollution carry out denitrification, and then remove sewage in nitrate nitrogen.The invention can effectively remove organic in sewage Thing and nitrogen phosphorus compound, and preferably realize the recycling of resource.It is disadvantageous in that:The device processing step is cumbersome, Difficult management, easily block, floor space is wide, and cost is high.
Publication date discloses a kind of without dynamic for the Chinese utility model patent 200920114602.4 on December 30th, 2009 Power integrated artificial marsh sewage treatment system, it is characterised in that vertical current sewage ecological purification groove is divided into two subregions up and down, Sanitary sewage through pre-treatment enters water distribution system by water pump lifting or by the nature liquid level discrepancy in elevation, and pretreated sewage leads to Intersection water distribution official website is crossed to be uniformly distributed on vertical subsurface flow formula ecological purification groove nitrification region, successively vertically penetrate into nitrification region and The artificial substratum layer in denitrification region, water distribution system carry out interval water distribution to ecological purification groove, and in upper strata nitrification region bottom Unpowered water distribution system is provided with inside, continuous reoxygenation is realized to nitrification region, the water outlet of upper strata nitrification region is directly entered lower floor Denitrification region, the outlet system that catchments is provided with lower floor's denitrification region, below denitrification region, delivery port is set inlet In denitrification overlying regions, water outlet is set to keep certain water level in denitrification region.The utility model can realize wetland without dynamic Power natural reaeration, floor space is small, and nitration denitrification integrated high-efficiency denitrogenation, it is disadvantageous in that, plant construction cost is big, Floor space is wide, need to be classified processing, and program is cumbersome, and operational management is complicated.
Publication date discloses a kind of periodic running for the Chinese invention patent 201410002615.8 on April 9th, 2014 Vertical current artificial wetland oxygenation denitrification system, it includes the automatic aeration system being connected with water inlet manifold by water pump, automatically Aeration system includes the spray water distributor with atomizer being connected with water pump, and spray water distributor is horizontal to be located at perpendicular flow artificial Above wetland;Equally distributed vertically arranged Multi-hole air filling pipe and denitrification blast pipe are provided with vertical current constructed wetland;Hang down The bottom of direct current artificial swamp is connected with outfall sewer.The invention by the one group of Multi-hole air filling for being inserted perpendicularly into artificial swamp pipe, Oxygen-enriched environment is provided for wetland middle and upper part nitrification region;By spraying water distributor increase water inlet and atmosphere time and area, Form oxygen-enriched water inlet, enhancing wetland nitrification denitrogenation;By manipulating end switch on denitrification blast pipe, can quickly be discharged in water inlet The denitrification gas in bottom denitrification region, strengthen wetland denitrification denitrogenation, substantially increase vertical current constructed wetland denitrogenation Effect.The invention Shortcomings, because the oxygen-enriched environment of upper strata nitrification denitrogenation, can have a strong impact on needed for lower floor's anti-nitration reaction Anaerobic environment, so as to influence the removal efficiency of nitrate nitrogen, and under long-time use, easily there is blockage.
The content of the invention
1. to solve the problems, such as
For existing artificial wetland treatment black-odor riverway technology ammonia nitrogen in river course is removed effect it is undesirable and The problem of floor space is big, the utility model provide a kind of black using intensive aeration-artificial swamp coupling technique dystopy improvement The device in smelly river course, the transmission efficiency of oxygen is improved, floor space is small, and possesses black-odor riverway more efficient processing effect Fruit.
2. technical scheme
In order to solve the above problems, technical scheme is as follows used by the utility model:
A kind of device that black-odor riverway is administered using intensive aeration-artificial swamp coupling technique dystopy, including pretreatment Device and the coupling device of aeration and artificial swamp, the coupling device includes layer of plants, filter material layer and supporting layer, described Pretreated sewage flows into coupling device by peristaltic pump from top, after treatment will from the discharge outlet of coupling device bottom Water is discharged, and the layer of plants plants emergent aquactic plant, and filter material layer is divided into upper and lower two layers, fills filler respectively, and upper and lower two layers it Between be provided with mineral wool layer.
Further, the height on the upper strata of the filter material layer is 15~20cm, is carried out using 4~6mm of particle diameter building stones Filling, the height of the lower floor of the filter material layer is 15~20cm, is filled using 10~15mm of particle diameter building stones, the support The height of layer is 10~15cm, is filled using 20~40mm of particle diameter building stones.
Further, the arrangement density of the aeration tube in the coupling device is 40~60/m2, pipe range is about 20~ 25cm, the lower end of the aeration tube are located at the upper strata of filter material layer, and the upper end of the aeration tube is connected with air pump, and aeration bottom of the tube is set There is the stainless (steel) wire of 20 mesh, enter aeration tube to prevent filler, cause blocking.
Further, the coupling device inside exhaust pipe distribution density is 80~100/m2, pipe range is about 55~ 60cm, the lower end of the blast pipe are located at the lower floor of filter material layer, and the upper end of the blast pipe communicates with air, the blast pipe Bottom carries aperture.
Further, 5cm water distribution area and 3~4cm superelevation are also left in the top of the coupling device.
Further, the thickness of the mineral wool layer is 1~3cm.
3. beneficial effect
Compared to prior art, the beneficial effects of the utility model are:
(1) the utility model proposes a kind of intensive dress for being aerated and carrying out coupling dystopy with artificial swamp and administer black-odor riverway Put, device uses uniprocessing, operation operation very simple, greatly reduces the floor space of processing equipment, simplifies utilization Aeration and artificial swamp handle the technique of sewage, largely reduce management cost in processing procedure and build into This;
(2) the utility model by it is small-in-big filtrate distributed combination, suspension is intercepted outside device, it is effectively anti- Stop device blocking, ensure the normal operation of device;
(3) the utility model sets up mineral wool layer in upper and lower filtrate section, and nitrification zone and denitrification zone are effectively separated Come, carrying out aeration by aeration tube makes top nitration reaction more complete, while effectively prevents oxygen from entering anti-nitre using mineral wool Change area, provide a good anaerobic condition to denitrification zone, N clearance is effectively carried and has added 30% or so;
(4) this patent is mainly used in the improvement of black-odor riverway, and black-odor riverway is generally high ammonia nitrogen, the sewage of low dissolved oxygen, The utility model can be effectively increased the dissolved oxygen content in sewage, remove the ammonia-nitrogen content in sewage, while also have to nitrate nitrogen There is high clearance, using device of the present utility model, can effectively eliminate black smelly, and reach water outlet《Surface water environment quality mark It is accurate》In IV or V class standards, and selected materials cost is cheap, simple to operate, operating cost is low, economic and practical, has larger Application value.
Brief description of the drawings
Fig. 1 is apparatus structure schematic diagram of the present utility model;
In figure:1- pretreatment units;2- peristaltic pumps;3- mineral wool layers;4- lower floors filter material layer;5- blast pipes;6- aeration tubes; 7- layer of plants;8- upper stratas filter material layer;9- supporting layers;10- air pumps.
Embodiment
The utility model is further described below with reference to specific embodiment.
Comparative example 1
This comparative example is handled sewage near certain black-odor riverway pollution sources using unmodified constructed wetland device, this The constructed wetland device of comparative example, water distribution area, upper strata filtrate area, filtrate area of lower floor and supporting layer are followed successively by from top to bottom, and Top is provided with 3cm superelevation, and the height of water distribution area is 5cm;The height in upper strata filtrate area is 20cm, using 4~6mm of particle diameter stone Material is filled;The height in filtrate area of lower floor is 20cm, is filled using 10~15mm of particle diameter building stones;The height of supporting layer For 15cm, it is filled using 20~40mm of particle diameter building stones, aeration tube and blast pipe is with the addition of in the present apparatus, but on upper strata Mineral wool is not provided between filtrate area and filtrate area of lower floor.
The mode of operation of the device of this comparative example 1 is:
1) sewage is started into non aerated phases by peristaltic pump from top bleeder, device;
2) after non-aeration reacts 5 days, aeration tube top is opened, air pump is opened and Air Exposure is carried out to device;
3) after being aerated 2 days, terminate aeration, aeration tube top is tightened, seal;
4) 6 above-mentioned steps 2 are repeated), 3) after, processing water by bottom of device delivery port discharge;
The polluted by nitrogen load of the water inlet of this comparative example 1 is in 30~40gN/ (m2D) in the range of, organic loading scope is 500 Between~600 mg/L.
The constructed wetland device of this comparative example 1 is continuously run 3 months, effluent quality is monitored weekly, as a result such as Shown in table 1.
The water-in and water-out water-quality test index situation of the neighbouring sewage of certain black-odor riverway pollution sources in the comparative example 1 of table 1
Comparative example 2
The apparatus structure of this comparative example 2 and comparative example 1 are basically identical, the difference is that only, do not add in the present apparatus Add aeration tube and blast pipe.
The mode of operation of the device of comparative example 2 is:By sewage by peristaltic pump bleeder, peak level to be achieved When, stop water inlet, residence time of the sewage in device is consistent with embodiment 1, then by the sewage after processing by device The delivery port discharge of bottom.The influent quality of this comparative example 2 is identical with comparative example 1.
The constructed wetland device of this comparative example 2 is continuously run 3 months, effluent quality is monitored weekly, as a result such as Shown in table 2.Table 2 and the table 1 of comparative example 1 compare, it can be seen that comparative example 1 increases aeration tube, promotes entering for nitration reaction OK so that COD and NH3- N clearance obtains certain raising;But although comparative example 1 is provided with blast pipe, NO3 -N's goes Except rate is decreased obviously on the contrary, illustrate preferable anti-nitration reaction does not occur, and because the gas of upper strata aeration tube discharge enters Enter the progress for filtrate area of lower floor, more inhibiting anti-nitration reaction, so that NO3 -N is more difficult to remove.
The water-in and water-out water-quality test index situation of the neighbouring sewage of certain black-odor riverway pollution sources in the comparative example 2 of table 2
Embodiment 1
Sewage near certain black-odor riverway pollution sources is handled, the present embodiment 1 propose it is a kind of using intensive aeration- Artificial swamp coupling technique dystopy administers the device and application method of black-odor riverway.As shown in figure 1, the device mainly includes pre- place Manage the coupling device of device 1 and aeration-artificial swamp, sewage after pretreatment by peristaltic pump 2 by pending sewage from It is discharged at the top of coupling device, after handling a period of time in coupling device, the delivery port from coupling device bottom, is up to discharge The processing water of standard flows back to river course.In the present embodiment 1, aeration-artificial swamp coupling device is long 50cm, wide 20cm, high 65cm lucite cuboid.
Coupling device filtrate is divided into upper and lower two layers, i.e. upper strata filter material layer 8 and lower floor's filter material layer 4 in Fig. 1, it is contemplated that Small-in-big filtrate integrated mode, it is best to the treatment effect of sewage, while the sewage of high-pollution load is additionally contemplates that, need A large amount of microorganisms are wanted to be handled, specific surface area is big, i.e. the small filler of filling substrate particle diameter is filled so choosing.This implementation Upper strata filter material layer 8 in example 1 is used using 4~5mm building stones, 10~12mm of the selection of lower floor's filter material layer 4 building stones, supporting layer 9 20~30mm building stones are filled, and prevent delivery port from blocking.Packed height is 55cm in coupling device, its filter material layer at the middle and upper levels 8 height are 20cm, and the height of lower floor's filter material layer 4 is 20cm, and the height of supporting layer 9 is 15cm, and using supporting layer 9 as drainage blanket, 3cm mineral wool layer 3 is provided among upper and lower filter material layer, tube top leaves 5cm water distribution area and 3cm superelevation.
Some aeration tubes 6 are provided with coupling device, the bottom of aeration tube 6 need to be placed in mineral wool layer top, to ensure glass Anaerobic environment is in below glass cotton layer, the anti-nitration reaction in coupling device is normally carried out, the upper end of aeration tube 6 and gas Pump 10 connects.In the present embodiment 1, the arrangement density of aeration tube 6 is 60/m in coupling device2, uniformly dispose 6 Ф 30mm perforation pvc pipe is as aeration tube 6, aeration quantity 15m3/ min, total length 25cm, buried depth are highly 15cm, are located at The top of mineral wool layer 3, the bottom of aeration tube 6 are provided with the stainless (steel) wire of 20 mesh.
Some blast pipes 5 are additionally provided with coupling device, buried depth is to the bottom of lower floor's filter material layer 4 always, and is being vented The tube wall of the bottom of pipe 5 is provided with aperture, is easy to the discharge of ammonia in anti-nitration reaction, promote device bottom anti-nitration reaction Carry out, the upper end of blast pipe 5 communicates with air.In the present embodiment 1, the arrangement density of blast pipe 5 is 100 in coupling device Root/m2, therefore 10 Ф 10mm blast pipe 5 is uniformly distributed in a device, total length 60cm, its buried depth is highly 40cm, row Aperture is carried at the bottom 10cm of tracheae 5.
The device using intensive aeration-artificial swamp coupling technique dystopy improvement black-odor riverway of the present embodiment 1 enters Water water quality is consistent with comparative example 1 and 2, that is, the polluted by nitrogen load range intake is in 30~40gN/ (m2D), organic loading scope In 500~600 mg/L.
The dress that black-odor riverway is administered using intensive aeration-artificial swamp coupling technique dystopy described in the present embodiment 1 The application method put, its step are:
1) the black foul sewage water being collected into is directly discharged into pretreatment unit 1, gets rid of suspension and particulate matter therein, with Anti- locking apparatus blocks;
2) sewage after pretreatment is discharged into, coupling device starts non-aeration by coupling device from top by peristaltic pump 2 Stage;
3) after non-aeration reacts 5 days, the top of aeration tube 6 is opened, air pump 10 is opened and Air Exposure is carried out to coupling device;
4) after being aerated 2 days, terminate aeration, the top of aeration tube 6 is tightened, seal;
5) 6 above-mentioned steps 3 are repeated), 4) after, processing water by coupling device bottom delivery port discharge;
6) blast pipe 5 is backwashed weekly.
Aeration tube 6 need to keep sealing state, prevent external oxygen from passing through aeration tube 6 in the artificial swamp normal operation period Gas exchanges are carried out with artificial swamp, influence the normal operation of artificial swamp, so in wetland normal operation, need to be by aeration tube 6 top seals.In aeration phase, the top of aeration tube 6 need to be opened, be aerated by air pump 10, to ensure wetland top oxygen Meltage be more than 2mg/L, and then promote the oxidizing process of ammonia nitrogen, after aerating system runs a period of time, stop aeration, and Tighten closure.
Continuous operation 3 months, is monitored weekly to the effluent quality of embodiment 1, as a result as shown in table 3, black foul sewage water After the device processing of embodiment 1, total nitrogen and organic matter have higher removal effect in water outlet, and other water quality index are also kept Higher clearance;Compared to above-mentioned two groups of comparative examples, the removal efficiency of each pollutant significantly carries in the water of embodiment 1 It is high.As can be seen that although existing patent 201410002615.8, which contemplates, is simply divided into device two parts up and down, it is intended that Upper strata carries out nitration reaction, and lower floor carries out anti-nitration reaction, but the inventor of the patent does not recognize that the problem of most critical, That is exactly that nitrification and denitrification reaction can not influence each other, and this key point seems simple, is to be difficult to what is expected;In addition, glass Glass cotton is the conventional insulation sound-absorbing material of building field, but those skilled in the art are difficult to expect being applied to environmental protection Field, this patent inventors be surprised to learn that mineral wool uses in sewage-treatment plant, water can both enough had through and can Effect prevents the oxygen of nitrification zone from entering lower floor denitrification zone, and mineral wool can also play suspension in good filter water Effect, its reason is probably, and the bubble of aeration tube discharge is difficult to pass through inside the mineral wool under the stop of fluffy fiber staggeredly Mineral wool layer, and the space between microglass fiber enables to sewage to pass through, and the conventional antiseepage film of field of sewage treatment, The barrier materials such as concrete, clay, air is completely cut off incessantly, and sewage is difficult to by the way that its effect is nothing like this reality With new mineral wool layer.There is certain gas permeability in view of mineral wool simultaneously, so the aeration quantity of device is needed according to glass The thickness of glass cotton is adjusted, to ensure that the anti-nitration reaction of device bottom is in good anaerobic environment.
The water-in and water-out water-quality test index situation of the neighbouring sewage of certain black-odor riverway pollution sources in the embodiment 1 of table 3
Embodiment 2
The sewage at certain black-odor riverway pollution sources 50m of adjusting the distance is handled, and the present embodiment 2 proposes a kind of using intensive Aeration-artificial swamp coupling technique dystopy administers the device and application method of black-odor riverway.The device of embodiment 2 and embodiment 1 It is basically identical, institute's difference is:In the present embodiment 2, coupling device is long 50cm, wide 20cm, and high 55cm's is organic Glass cuboid.
Upper strata filter material layer 8 in the present embodiment 2 is using 5~6mm building stones, 12~14mm of the selection of lower floor's filter material layer 4 stone Material, supporting layer 9 are filled using 30~35mm building stones.Packed height is 46cm in coupling device, its filter material layer 8 at the middle and upper levels Highly it is 18cm, the height of lower floor's filter material layer 4 is 18cm, and the height of supporting layer 9 is 10cm, provided with 2cm among upper and lower filter material layer Mineral wool layer 3, tube top leave 5cm water distribution area and 3cm superelevation.
In the present embodiment 2, the distribution density of aeration tube in coupling device 6 is set to 50/m2, uniformly pacify in device 5 Ф 30mm perforation pvc pipe is put as aeration tube 6, aeration quantity 12m3/ min, pipe range 23cm, buried depth are highly 13cm, positioned at the top of mineral wool layer 3.
In the present embodiment 2, the distribution density of blast pipe 5 is 90/m in coupling device2, 9 are uniformly distributed in device Root Ф 10mm blast pipe 5, total length 58cm, its buried depth are highly 38cm, and aperture is carried at the bottom 10cm of blast pipe 5.
The polluted by nitrogen load range of the water inlet of the present embodiment 2 is in 25~30gN/ (m2D), organic loading scope 400~ 500mg/L。
The dress that black-odor riverway is administered using intensive aeration-artificial swamp coupling technique dystopy described in the present embodiment 2 The application method put, its step are:
1) the black foul sewage water being collected into is directly discharged into pretreatment unit 1, to remove the suspension and particulate matter in sewage, Anti- locking apparatus blocks;
2) pretreated sewage is discharged into, coupling device starts non-aeration rank by coupling device from top by peristaltic pump 2 Section;
3) after non-aeration continues 3 days, the top of aeration tube 6 is opened, air pump 10 is opened and Air Exposure is carried out to coupling device, To ensure that the meltage on wetland top is more than 2mg/L;
4) after being aerated 1.5 days, terminate aeration, the top of aeration tube 6 is tightened, seal;
5) 5 above-mentioned steps 3 are repeated), 4) after, processing water by coupling device bottom delivery port discharge;
6) blast pipe is backwashed weekly.
This system is continuously run 2 months, and effluent quality is monitored every 5 days, as a result as shown in table 4, black foul sewage water After processing, total nitrogen and organic matter have higher removal effect in water outlet, and other water quality index also maintain higher removal Rate.
To the sewage water-in and water-out water-quality test index situation away from pollution sources 50m in the embodiment 2 of table 4
Embodiment 3
The sewage at certain black-odor riverway pollution sources 100m of adjusting the distance is handled, and the present embodiment 3 proposes a kind of using intensive Type aeration-artificial swamp coupling technique dystopy administers the device and application method of black-odor riverway.The device and embodiment of embodiment 3 1 it is basically identical, institute's difference is:In the present embodiment 3, aeration-artificial swamp coupling device is long 50cm, wide 20cm, high 48cm lucite cuboid.
Upper strata filter material layer 8 in the present embodiment 3 is using 5~6mm building stones, 13~15mm of the selection of lower floor's filter material layer 4 stone Material, supporting layer 9 are filled using 35~40mm building stones.The height of upper strata filter material layer 8 in coupling device is 15cm, and lower floor filters The height of the bed of material 4 is 15cm, and the height of supporting layer 9 is 12cm, 1cm mineral wool layer 3 is provided among upper and lower filter material layer, tube top is stayed There are 5cm water distribution area and 4cm superelevation.
In the present embodiment 3, the distribution density of aeration tube in coupling device 6 is set to 40/m2, uniformly pacify in device 4 Ф 30mm perforation pvc pipe is put as aeration tube 6, aeration quantity 10m3/ min, pipe range 20cm, buried depth are highly 10cm, positioned at the top of mineral wool layer 3.
In the present embodiment 3, the distribution density of blast pipe 5 is 80/m in coupling device2, 8 are uniformly distributed in device Root Ф 10mm blast pipe 5, total length 55cm, its buried depth are highly 35cm, and aperture is carried at the bottom 10cm of blast pipe 5.
The polluted by nitrogen load range of the water inlet of the present embodiment 3 is in 20~25gN/ (m2D), organic loading scope 300~ 400mg/L。
The dress that black-odor riverway is administered using intensive aeration-artificial swamp coupling technique dystopy described in the present embodiment 3 The application method put, its step are:
1) blocked for avoiding device, the black foul sewage water being collected into is discharged into pretreatment unit 1 first;
2) pretreated sewage is discharged into, coupling device starts non-aeration rank by coupling device from top by peristaltic pump 2 Section;
3) after non-aeration continues 2 days, the top of aeration tube 6 is opened, air pump 10 is opened and Air Exposure is carried out to coupling device;
4) after being aerated 1 day, terminate aeration, the top of aeration tube 6 is tightened, seal;
5) 5 above-mentioned steps 3 are repeated), 4) after, processing water by coupling device bottom delivery port discharge;
6) blast pipe 5 is backwashed weekly.
This system is continuously run 2 months, and effluent quality is monitored every 5 days, as a result as shown in table 5, black foul sewage water After processing, total nitrogen and organic matter have higher removal effect in water outlet, and other water quality index also maintain higher removal Rate.
To the sewage water-in and water-out water-quality test index situation away from pollution sources 100m in the embodiment 3 of table 5.

Claims (7)

1. a kind of device that black-odor riverway is administered using intensive aeration-artificial swamp coupling technique dystopy, including pretreatment dress (1) and the coupling device of aeration and artificial swamp are put, the top of described pretreatment unit (1) and coupling device passes through pipeline Connection, the coupling device include layer of plants (7), upper strata filter material layer (8), lower floor's filter material layer (4) and held successively from top to bottom Layer (9) is held in the palm, upper strata filter material layer (8) and lower floor's filter material layer (4) fill filler respectively, and the layer of plants (7) plants emergent aquactic plant, institute To state and some aeration tubes (6) are evenly arranged in coupling device, the lower end of the aeration tube (6) is located in upper strata filter material layer (8), on End is connected with air pump (10), it is characterised in that is provided with mineral wool between described upper strata filter material layer (8) and lower floor's filter material layer (4) Layer (3).
2. one kind according to claim 1 administers black-odor riverway using intensive aeration-artificial swamp coupling technique dystopy Device, it is characterised in that the height of the upper strata filter material layer (8) is 15~20cm, using 4~6mm of particle diameter building stones carry out Filling, the height of lower floor's filter material layer (4) is 15~20cm, is filled using 10~15mm of particle diameter building stones.
3. one kind according to claim 1 administers black-odor riverway using intensive aeration-artificial swamp coupling technique dystopy Device, it is characterised in that the height of the supporting layer (9) is 10~15cm, is filled out using 20~40mm of particle diameter building stones Fill.
4. one kind according to claim 1 administers black-odor riverway using intensive aeration-artificial swamp coupling technique dystopy Device, it is characterised in that the arrangement density of the aeration tube (6) is 40~60/m2, pipe range is 20~25cm, the exposure Tracheae (6) bottom is provided with the stainless (steel) wire of 20 mesh.
5. one kind according to claim 1 administers black-odor riverway using intensive aeration-artificial swamp coupling technique dystopy Device, it is characterised in that 80~100/m is also uniformly distributed in the coupling device2Blast pipe (5), the blast pipe (5) lower end is located in lower floor's filter material layer (4), and upper end communicates with air, and blast pipe (5) bottom is provided with aperture.
6. one kind according to claim 1 administers black-odor riverway using intensive aeration-artificial swamp coupling technique dystopy Device, it is characterised in that also leave 5cm water distribution area and 3~4cm superelevation in the top of the coupling device.
7. one kind according to claim 1 administers black-odor riverway using intensive aeration-artificial swamp coupling technique dystopy Device, it is characterised in that the thickness of the mineral wool layer (3) is 1~3cm.
CN201721067912.6U 2017-08-24 2017-08-24 A kind of device that black-odor riverway is administered using intensive aeration artificial swamp coupling technique dystopy Active CN207192930U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107285488A (en) * 2017-08-24 2017-10-24 环境保护部南京环境科学研究所 A kind of device and application method that black-odor riverway is administered using intensive aeration artificial swamp coupling technique dystopy
CN108751582A (en) * 2018-05-31 2018-11-06 安徽美自然环境科技有限公司 A kind of three-dimensional Ecology purifying integral system for black and odorous water reparation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107285488A (en) * 2017-08-24 2017-10-24 环境保护部南京环境科学研究所 A kind of device and application method that black-odor riverway is administered using intensive aeration artificial swamp coupling technique dystopy
CN108751582A (en) * 2018-05-31 2018-11-06 安徽美自然环境科技有限公司 A kind of three-dimensional Ecology purifying integral system for black and odorous water reparation

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