CN107285488A - A kind of device and application method that black-odor riverway is administered using intensive aeration artificial swamp coupling technique dystopy - Google Patents
A kind of device and application method that black-odor riverway is administered using intensive aeration artificial swamp coupling technique dystopy Download PDFInfo
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- 238000005273 aeration Methods 0.000 title claims abstract description 91
- 238000010168 coupling process Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000010865 sewage Substances 0.000 claims abstract description 61
- 230000008878 coupling Effects 0.000 claims abstract description 57
- 238000005859 coupling reaction Methods 0.000 claims abstract description 57
- 239000011490 mineral wool Substances 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 41
- 239000004575 stone Substances 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 230000003442 weekly effect Effects 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 239000013618 particulate matter Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 239000000706 filtrate Substances 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 20
- 238000006396 nitration reaction Methods 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 9
- 230000002572 peristaltic effect Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229920005479 Lucite® Polymers 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
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- 230000035699 permeability Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003124 biologic agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
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- 230000035568 catharsis Effects 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- -1 nitrogen phosphorus compound Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Biotechnology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of device and application method 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 sets up mineral wool layer in centre, and some aeration tubes are inserted in the filtrate area of upper strata, some bottom blast pipes with holes are uniformly distributed in a device, filtrate area of lower floor are led directly to, to generate the discharge of gas.The present invention is coupled aeration and two kinds of technologies of artificial swamp, and simple to operate with obvious processing effect, construction cost is low, the advantage such as non-secondary pollution.
Description
Technical field
The invention belongs to sewage treatment area, coupled more specifically to one kind using intensive aeration-artificial swamp
Technology dystopy administers the device and application method 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 deteriorates, ecosystem degradation, it is impossible to complete dirty
Output, transfer and the catharsis of thing are contaminated, causes pollutant serious accumulation and vicious circle, water quality deterioration is simultaneously produced black smelly existing
As.Meanwhile, urban river also form endogenous pollution due to long-term viscous flow, largely the bed mud deposition containing organic matter and nitrogen,
The water quality deterioration of urban river has been further exacerbated by, urban ecology civilization and the healthy living of resident has been had a strong impact on.
Artificial swamp is a kind of conventional ecological technique, mainly manually build, controllable system, its purpose of design
It is that waste water is handled by the optimum organization of the physics in wetland natural ecosystems, chemistry and biological agent.Current people
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, and the removal effect to ammonia nitrogen in river course and total nitrogen is not notable.
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 to anoxic denitrification pond with supplementary carbon source, watercourse aeration pond is connected with anoxic denitrification pond
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, processing water is reached《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.
It is multiple that publication date discloses a kind of micro- aeration of self-cleaning type 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, is managed 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, makes 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 process step is cumbersome,
Difficult management, is easily blocked, and 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 be divided into above and below two subregions,
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 it is vertical penetrate into nitrification region and
The artificial substratum layer in denitrification region, water distribution system carries 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
Provided with the outlet system that catchments in denitrification region, lower floor's denitrification region, inlet is below denitrification region, and delivery port is set
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, nitration denitrification integrated high-efficiency denitrogenation, and it is disadvantageous in that, plant construction cost is big,
Floor space is wide, need to be classified processing, 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 level is 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 Multi-hole air filling pipe that the invention is inserted perpendicularly into artificial swamp by one group,
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 it be discharged in water inlet
The denitrification gas in bottom denitrification region, strengthens wetland denitrification denitrogenation, substantially increases vertical current constructed wetland denitrogenation
Effect.The invention Shortcomings, because upper strata nitrifies the oxygen-enriched environment of denitrogenation, needed for having a strong impact on lower floor's anti-nitration reaction
, so as to influence the removal efficiency of nitrate nitrogen, and under long-time use, easily there is blockage in anaerobic environment.
The content of the invention
1. the problem of solving
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 present invention provides one kind and administers black smelly river using intensive aeration-artificial swamp coupling technique dystopy
The apparatus and method in road, improve the transmission efficiency of oxygen, and floor space is small, and possess black-odor riverway more efficient processing effect
Really.
2. technical scheme
In order to solve the above problems, the technical solution adopted in the present invention is as follows：
A kind of device that black-odor riverway is administered using intensive aeration-artificial swamp coupling technique dystopy, including pretreatment
The coupling device of device and 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 two layers up and down it
Between 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 is 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 is located at the lower floor of filter material layer, and the upper end of the blast pipe is communicated 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.
The application method of the device of black-odor riverway is administered using intensive aeration-artificial swamp coupling technique dystopy, it is walked
Suddenly it is：
1) the black foul sewage water being collected into is discharged into pretreatment dress after suspension therein and particulate matter are got rid of in pretreatment
Put；
2) pretreated sewage is discharged into by coupling device from top by peristaltic pump, coupling device starts non-aeration rank
Section；
3) after non-aeration reaction starts 2~5 days, aeration tube top is opened, air pump is opened, according to the aeration quantity of setting,
Air Exposure is carried out to coupling device by aeration tube；
4) after being aerated 1~2 day, terminate aeration, aeration tube top is tightened, seal；
5) 5~6 above-mentioned steps 3 are repeated), 4) after, effluent quality reaches《Water environment quality standard》Middle IV
Or during V class standards, processing water can be discharged by the delivery port of coupling device bottom；
6) blast pipe is backwashed weekly.
Further, the step 3) aeration quantity be (0.6x2+9.5)m3/ min, the x are mineral wool layer in device
(3) thickness.
Further, the step 3) aeration quantity be 10~15m3/min。
3. beneficial effect
Compared to prior art, beneficial effects of the present invention are：
(1) present invention proposes that a kind of be aerated carries out the intensive device that coupling dystopy administers black-odor riverway with artificial swamp,
Device uses uniprocessing, and operation operation very simple greatly reduces the floor space of processing equipment, simplifies and utilize aeration
The technique that processing sewage is carried out with artificial swamp, largely reduces the management cost and construction cost in processing procedure；
(2) present invention is pre-processed before sewage bleeder, has effectively intercepted the suspension among sewage first
Thing, then by it is small-in-big filtrate distributed combination, suspension is intercepted outside device, device blocking is effectively prevent, most
Afterwards using the method for backwash, suspension longtime running accumulated in a device is handled, blocked with avoiding device, is protected
The normal operation of card device；
(3) present invention sets up mineral wool layer in upper and lower filtrate interval, and nitrification zone and denitrification zone are effectively separated,
Carrying out aeration by aeration tube makes top nitration reaction more complete, while effectively preventing oxygen from entering denitrification using mineral wool
Area, provides a good anaerobic condition to denitrification zone, N clearance is effectively carried and has added 30% or so；
(4) can have an impact in view of the thickness of mineral wool to gas permeability, for denitrification zone, mineral wool thickness is got over
Thick, aeration quantity is smaller, and its denitrification effect is better, but if the thickness of mineral wool is too thick, then can influence the descending of water；
And for aerobic zone, aeration quantity is the bigger the better, in order to ensure that denitrification is in good anaerobic environment, ensure again aerobic
The operational effect in area is, it is necessary to seek a balance；Inventor is found surprisingly that during long-term experiment, if according to the present invention
Relation between the thickness and aeration quantity of the mineral wool of middle restriction if selecting, then can obtain extraordinary effect, make device
Upper strata filtrate area be at utmost aerated, while not influenceing the progress of lower floor's anti-nitration reaction also；
(5) 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 invention can be effectively increased the dissolved oxygen content in sewage, remove the ammonia-nitrogen content in sewage, while also having height to nitrate nitrogen
Clearance, the apparatus and method that black-odor riverway is administered using intensive aeration-artificial swamp coupling technique, can effectively eliminate black
It is smelly, and reach water outlet《Water environment quality standard》In IV or V class standards, and selected materials it is with low cost, operation letter
Single, operating cost is low, economic and practical, with larger application value.
Brief description of the drawings
Fig. 1 is apparatus structure schematic diagram of the invention；
In figure：1- pretreatment units；2- peristaltic pumps；3- mineral wools layer；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 present invention 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, is followed successively by water distribution area, upper strata filtrate area, filtrate area of lower floor and supporting layer 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) by sewage by peristaltic pump from top bleeder, device starts non aerated phases；
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~600mg/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
Plus 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 are compared, 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；Although but comparative example 1 is provided with blast pipe, NO3 -N's goes
Except rate is decreased obviously on the contrary, illustrate do not occur preferable anti-nitration reaction, and because the gas that upper strata aeration tube is discharged enters
Enter to filtrate area of lower floor, the progress of anti-nitration reaction is more inhibited, 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 into, is handled in coupling device after a period of time, the delivery port from coupling device bottom is up to discharge at the top of coupling device
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, height
65cm lucite cuboid.
Upper strata filter material layer 8 and lower floor's filter material layer 4 that coupling device filtrate is divided into upper and lower two layers, i.e. Fig. 1, it is contemplated that
It is small-in-big filtrate integrated mode, to the treatment effect of sewage preferably, at the same be additionally contemplates that high-pollution load sewage, it is necessary to
A large amount of microorganisms are handled, so choosing, specific surface area is big, i.e. the small filler of filling substrate particle diameter is filled.The present embodiment
Upper strata filter material layer 8 in 1 uses 4~5mm building stones, and lower floor's filter material layer 4 chooses 10~12mm building stones, and supporting layer 9 uses 20
~30mm building stones are filled, and prevent delivery port from blocking.Packed height is 55cm, its filter material layer 8 at the middle and upper levels in coupling device
Highly it is 20cm, 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,
Mineral wool layer 3 provided with 3cm in the middle of 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
Glass cotton layer is following to be in anaerobic environment, the anti-nitration reaction in coupling device is normally carried out, the upper end of aeration tube 6 and gas
Pump 10 is connected.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 as aeration tube 6, aeration quantity is 15m3/ min, total length is 25cm, and buried depth is highly 15cm, positioned at glass
The top of cotton layer 3, the bottom of aeration tube 6 is 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, be easy to the discharge of ammonia in anti-nitration reaction, and promote device bottom anti-nitration reaction enters
OK, the upper end of blast pipe 5 is communicated with air.In the present embodiment 1, in coupling device the arrangement density of blast pipe 5 be 100/
m2, therefore 10 Ф 10mm blast pipe 5 is uniformly distributed in a device, total length is 60cm, and its buried depth is highly 40cm, blast pipe
Aperture is carried at 5 bottom 10cm.
Intensive aeration-artificial swamp coupling technique dystopy of utilization of the present embodiment 1 administers entering for the device of black-odor riverway
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 500~600mg/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 is：
1) the black foul sewage water being collected into is directly discharged into pretreatment unit 1, gets rid of suspension therein and particulate matter, with
Anti- locking apparatus is blocked；
2) sewage after pretreatment is discharged into by coupling device from top by peristaltic pump 2, coupling device starts non-aeration
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 normally runs the period in artificial swamp, need to keep sealing state, prevents external oxygen from passing through aeration tube 6
Gas exchanges are carried out with artificial swamp, the normal operation of artificial swamp is influenceed, so when wetland is normally run, 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 ammonia nitrogen oxidizing process, 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 device processing through 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 is significantly carried in the water of embodiment 1
It is high.It can be seen that, although existing patent 201410002615.8 is contemplated device is simply divided into above and below two parts, 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 is used in sewage-treatment plant, can not only make water through but also can have
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, have completely cut off air incessantly, and make sewage be difficult to pass through, and its effect is nothing like this hair
Bright mineral wool layer.There is certain gas permeability in view of mineral wool simultaneously, so the aeration quantity of device is needed according to mineral wool
Thickness be adjusted, with ensure device bottom anti-nitration reaction be 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, and wide 20cm, 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 is filled using 30~35mm building stones.Packed height is 46cm, its filter material layer 8 at the middle and upper levels in coupling device
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, is provided with 2cm's in the middle of upper and lower filter material layer
Mineral wool layer 3, tube top leaves 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 is 12m3/ min, pipe range is 23cm, and buried depth is 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 is 58cm, and its buried depth is highly to carry aperture at 38cm, 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 is：
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 is blocked；
2) pretreated sewage is discharged into by coupling device from top by peristaltic pump 2, coupling device starts non-aeration rank
Section；
3) non-aeration continued after 3 days, and the top of aeration tube 6 is opened, and opens air pump 10 and carries out Air Exposure to coupling device,
2mg/L is more than with the meltage for ensureing wetland top；
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 is filled using 35~40mm building stones.The height of upper strata filter material layer 8 in coupling device is 15cm, lower metafiltration
The height of the bed of material 4 is 15cm, and the height of supporting layer 9 is 12cm, the mineral wool layer 3 provided with 1cm in the middle of upper and lower filter material layer, and 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 is 10m3/ min, pipe range is 20cm, and buried depth is highly 10cm,
Positioned at 3 top of mineral wool layer.
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 is 55cm, and its buried depth is highly to carry aperture at 35cm, 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 is：
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 by coupling device from top by peristaltic pump 2, coupling device starts non-aeration rank
Section；
3) non-aeration continued after 2 days, and the top of aeration tube 6 is opened, and opens air pump 10 and carries out Air Exposure 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 (10)
1. a kind of device that black-odor riverway is administered using intensive aeration-artificial swamp coupling technique dystopy, including pretreatment dress
The coupling device of (1) and aeration and artificial swamp is put, the top of described pretreatment unit (1) and coupling device passes through pipeline
Connection, the coupling device includes 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
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 mineral wool is provided 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) be 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) be 10~15cm, 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) be 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 is communicated 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 mineral wool layer (3) is 1~3cm.
8. administer black-odor riverway using intensive aeration-artificial swamp coupling technique dystopy described in any one of claim 1~7
Device application method, its step is：
1) the black foul sewage water being collected into is discharged into pretreatment unit after suspension therein and particulate matter are got rid of in pretreatment
(1)；
2) non aerated phases passing through pretreated sewage since the top of coupling device enters coupling device；
3) after non aerated phases are reacted 2~5 days, air pump (10) is opened, according to the aeration quantity of setting, by aeration tube (6) to coupling
Attach together and put carry out Air Exposure；
4) after being aerated 1~2 day, aeration is terminated；
5) 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.
9. the dress according to claim 8 that black-odor riverway is administered using intensive aeration-artificial swamp coupling technique dystopy
The application method put, it is characterised in that the step 3) aeration quantity be (0.6x2+9.5)m3/ min, the x are glass in device
The thickness of glass cotton layer (3).
10. the dress according to claim 8 that black-odor riverway is administered using intensive aeration-artificial swamp coupling technique dystopy
The application method put, it is characterised in that the step 3) aeration quantity be 10~15m3/min。
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| CN110963640A (en) * | 2019-11-19 | 2020-04-07 | 华北水利水电大学 | Ecological water filtering pond for water ecological restoration |
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