CN104211182A - Backflow vertical wetland sewage treatment process and device, and application of process and device - Google Patents
Backflow vertical wetland sewage treatment process and device, and application of process and device Download PDFInfo
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- CN104211182A CN104211182A CN201410434090.5A CN201410434090A CN104211182A CN 104211182 A CN104211182 A CN 104211182A CN 201410434090 A CN201410434090 A CN 201410434090A CN 104211182 A CN104211182 A CN 104211182A
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- 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
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Abstract
The invention discloses a backflow vertical wetland sewage treatment process and device, and application of the process and the device. A vertical flow artificial wetland, a horizontal subsurface flow wet land and a reservoir are combined into a vertical structure from top to bottom. Circular treatment of sewage is achieved by laying a water level monitor to control the operation condition of a circulating pump, and each batch of sewage treatment capacity and treatment time are controlled and regulated by matching with a relay. Compared with a traditional artificial wetland, the backflow vertical wetland sewage treatment process has the advantages of being small in floor area, large in hydraulic loading, low in energy consumption, easy to operate and quick to remove pollutants; the conventional effluent water quality indicators CODCr, SS, TN and NH4<+>-N are much lower than the concentration threshold (GB18918-2002) defined by the first grade A standard of urban sewage treatment; the pesticide content in the effluent accords with the hygienic standard for drinking water (GB5749-2006); and the heavy metal content of the effluent reaches the surface water class II water standard (GB3838-2002). According to the backflow vertical wetland sewage treatment process, automatic treatment of the artificial wetland sewage is achieved, and the problem of poor single removal effect on organic matters and nitrogen pollutants in sewage through the artificial wetland is solved.
Description
Technical field
The present invention relates to environmental engineering technical field of sewage, more specifically, relate to the vertical wet land sewage treating process of a kind of backflow and device.
Background technology
Artificial swamp can submeter surface current and the large class of current wetland two.It is low that surface current artificial wetland builds working cost, and effectively can relax waterpower pollution load and impact, but floor space is large, designed breeding is inaccurate.Drowned flow artificial wet land divides again horizontal drowned flow and vertical subsurface flow, its fabrication cost comparatively surface current artificial wetland is high, but the synergy that can make full use of between the key elements such as Wetland Space performance plant, matrix and microorganism, improve the ability removing organic pollutant, wherein vertical current constructed wetland reoxygenation ability is stronger, nitrification is good, horizontal drowned flow artificial wet land is due to sewage horizontal flow under matrix, reoxygenation ability is poor, easy formation is based on the environment of anaerobion or amphimicrobe, and its denitrification is better.
The artificial swamp of single type often cannot reach water conditioning requirement, has therefore domesticly engendered various combined artificial swamp, to reducing floor space and improving contaminant removal efficiency.Application number be 200303157161.1 Chinese patent application disclose a kind of system and method for hybrid constructed wetland process of sewage, application number is that the Chinese patent application of 200310111813.X discloses a kind of municipal effluent combined artificial wetland denitrification and dephosphorization method, application number be 200620022790.4 Chinese patent application disclose a kind of combined artificial wetland, application number be 200710015966.3 Chinese patent application disclose a kind of undercurrent-surface current composite artificial marshland, application number be 200710164456.1 Chinese patent application disclose a kind of stereo artificial wetland system for sewage disposal, application number is that the Chinese patent application of 200810197811.X discloses composite vertical current artificial wetland oxygenation system, application number be 201110091785.4 Chinese patent application disclose multistage composite lotus root connection artificial wet land system and application thereof, application number is that the Chinese patent application of 201310721638.X discloses a kind of hybrid constructed wetland system and sewage water treatment method thereof, application number be 201320152135.0 Chinese patent application disclose multi-functional composite constructed wetland system, application number be 201410013794.5 Chinese patent application disclose combined artificial marsh sewage treatment system etc.But system disclosed in above-mentioned document is only confined to carry out combined serial to dissimilar artificial swamp on horizontal structure, the problem that actual solution wetland floor space is large, and all cannot reach the object removing pollutent fast, its hydraulic detention time is often beyond more than 1d, greatly reduce the processing efficiency of sewage, wetland configuration even due to series connection is too much, causes difficult management, requires higher to labor management.
Artificial swamp is better to the removal effect of ammonia-state nitrogen pollutent, but not satisfactory to the removal effect of nitrate nitrogen contaminants, even in negative removal efficiency, finally causes the removal efficiency of total nitrogen low.Publication number be 101423297 Chinese patent application disclose a kind of composite vertical current artificial wetland oxygenation system, the method carries out intermittent aeration by arranging evacuated tube bottom vertical current constructed wetland, create the aerobic envrionment conditions alternately changed with anaerobism, but this system needs the ratio aeration rate of manual shift air compressor and manual start-stop, the comparatively loaded down with trivial details and plant running parameter of regular job not easily regulates.How while the high denitrification effect of guarantee, the automatic operating of implement device and simple and convenient management problem are the important directions of this area technical barrier that will solve and research.
Artificial wetland effluent backflow effectively can improve the removal efficiency of pollutent, application number is that the Chinese patent application of 200310111813.X discloses municipal effluent combined artificial wetland denitrification and dephosphorization method, application number be 201120098642.1 Chinese patent application disclose artificial wetland outflow water backflow device, application number be 201410013794.5 Chinese patent application disclose combined artificial marsh sewage treatment system etc.But the above-mentioned wet land technique relating to artificial wetland effluent backflow is all recycle pump is placed in the operating mode constantly run and draw water, its electric energy loss is more, the work-ing life of recycle pump is not long, how to control the operational conditions of reflux pump to reduce energy consumption cost, and the removal effect reaching the best is another technical barrier that this area will solve.
In addition, along with trace toxic pollutent as agricultural chemicals, medicine and endocrine disrupter etc. in water body environment detect frequency and concentrations constantly raises, cause toxic effect and inrichment that people have this pollutant, and showing great attention to aquatic ecosystem structure and function stabilizing influence.Artificial swamp is as a kind of novel ecological sewage treatment technology, be used widely in the water treatment of China, but compared with external progress, in domestic efficiency and the mechanism stage being still in research artificial swamp removal Conventional pollution, the artificial wetland process removing trace toxic pollutent about artificial swamp not yet has report.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, there is provided one can automatic operating, can directly processing primary live sewage, and COD, total nitrogen and trace toxic pollutent can be removed fast, save the vertical wet field facilities for treating sewage of backflow of floor space and minimizing energy consumption, while the high denitrification effect of guarantee, the automatic operating of implement device and easy management.
The object of the invention is achieved by the following technical programs:
There is provided a kind of backflow vertical wet land sewage treating process, comprise the following steps:
S1. vertical current constructed wetland, horizontal drowned flow artificial wet land and tank are combined into vertical Sewage treatment systems from top to bottom; Vertical current constructed wetland, horizontal drowned flow artificial wet land are connected with water distributor by header with tank;
Described vertical current constructed wetland bottom arranges filler, filling surface planting plants; Described horizontal drowned flow artificial wet land arranges filler;
S2. sewage draws water from tank by recycle pump, the oxygenation to sewage is realized in the process of being drawn water by single, plant absorption in vertical current constructed wetland, the nutritive substance in absorption effluent after sewage extraction, and by photosynthetic oxygen evolution, oxygenation is carried out to water body, reduce the organic loading of sewage, filler in vertical current constructed wetland retains, the suspended particulate in absorption effluent and the heavy metal in sewage and difficult degradation class material, NH
4 +~ N is converted into NO
2 -~ N and NO
3 -~ N; Then, sewage through the further adsorption of horizontal drowned flow artificial wet land, the NO in sewage
2 -~ N and NO
3 -~ N changes into nitrogen;
S3. sewage iterates through described vertical Sewage treatment systems and finally realizes the up to standard of effluent quality;
Wherein, described vertical Sewage treatment systems is Automated condtrol, the implementation method of described Automated condtrol is: by startup and the closedown of monitoring water level controlled circulation pump, realize the circular treatment of sewage, regulate single batch of sewage load and treatment time by Control.
Preferably, described in S1, vertical current constructed wetland bottom arranges filler, and filling-material structure is gravel and haydite two kinds of fillers, its cobble-stone upper, haydite under.Further preferably, the loading height ratio of described two kinds of fillers is 1:1.Further preferably, the loading height of described two kinds of fillers is 20cm.
Preferably, described gravel specification ε=0.4 ~ 0.5, described haydite specification ε=0.5 ~ 0.6.
Preferably, plant described in S1 is emergent, and the density of plantation emergent is 12 strains/m
2.Further preferably, described emergent selects cyperus alternifolius.
Preferably, horizontal drowned flow artificial wet land described in S1 arranges filler is gravel.Further preferably, the loading height of described gravel is 40cm.Preferably, described gravel specification ε=0.4 ~ 0.5.
The invention provides a kind of optional Automated condtrol implementation method is: in tank, lay water monitor, set high liquid level (such as 40cm) and low-water level (such as 10cm).By rly., tank outlet pipeline rly. working hour t is set
1, time t
1ensure that the sewage processed in tank can be disposed to the minimum level place of rising pipe, suction culvert rly. working hour t is set
2, time t
2ensure that amount of inlet water reaches the high liquid level place of setting; T is set
1and t
2interval time be t
3, time t
3for sewage enters the time of circular treatment;
Manual unlocking switch, the rly. on outlet pipeline takes the lead in work, working time t
1after end, system closes the rly. on outlet pipeline automatically, automatically opens the rly. on suction culvert, t when running simultaneously
2after end, device will no longer be intake, and recycle pump starts intermittent automatically to run, sewage enter circular treatment state until working time t
3terminate, single batch of sewage disposal time t=t
1+ t
2+ t
3.
Preferably, described time t
3be 300 ~ 360min.Further preferably, described time t
3for 330min.
The present invention provides the device of the vertical wet land sewage treating process of a kind of described backflow simultaneously, comprise vertical current constructed wetland, horizontal drowned flow artificial wet land, tank, recycle pump and electromechanical box, utilize support vertical current constructed wetland, horizontal drowned flow artificial wet land and tank to be combined into vertical structure from top to bottom;
Described vertical current constructed wetland inside filling gravel and haydite, gravel is upper, haydite under, gravel surface grafting cyperus alternifolius, vertical current constructed wetland is provided with water distributor, one end of water distributor connects recycle pump, recycle pump connects tank, and lay header bottom vertical current constructed wetland, the water outlet of vertical current constructed wetland is located at bottom wetland, the side of water outlet connects header, and opposite side connects a threeway; The side of threeway connects valve, and the opposite side (bottom) of threeway connects the water distributor of horizontal drowned flow artificial wet land;
Described horizontal drowned flow artificial wet land inside filling gravel, horizontal drowned flow artificial wet land lays water distributor, water distributor connects described vertical current constructed wetland header, lays header, set out the mouth of a river bottom wetland bottom horizontal subsurface flow wetland, water outlet side connects header, opposite side connects a threeway, and threeway side connects a valve, the top connecting water pipe of threeway, water pipe arranges valve, and is connected with tank;
Described tank one side bottom is provided with outlet pipeline, outlet pipeline connecting tee, and threeway side connects recycle pump, and opposite side connects rising pipe; The opposite side of tank lays suction culvert; Lay water monitor in described tank, described suction culvert and outlet pipeline lay rly., and rly. controls by electromechanical box.
Preferably, described vertical current constructed wetland underdrain pipe is " matrix pattern ", the symmetrical 45° angle perforate of header two bottom sides, position of opening interval 5cm, and aperture is 0.5cm; The water outlet of vertical current constructed wetland is located at the wetland lower center position that wetland and water distributor enter wetland one end opposite side;
The water distributor of described horizontal drowned flow artificial wet land is laid in the surface of the horizontal drowned flow artificial wet land being positioned at the same side with the water outlet of vertical current constructed wetland, the medium position of water distributor connects the rising pipe of upper vertical artificial wetland header, the symmetrical 45° angle perforate of water distributor two bottom sides, pitch of holes is 5cm, aperture is 0.5cm, header is laid bottom the wetland of horizontal subsurface flow wetland side relative to its water distributor, the symmetrical 45° angle perforate of header two bottom sides, pitch of holes is 5cm, aperture is 0.5cm, water outlet is arranged at the wetland bottom center place with header the same side.
Further preferably, length and width, the horizontal drowned flow artificial wet land of described vertical current constructed wetland are identical with the length and width of tank, the invention provides a kind of typical specifications design is: the length and width of the length and width of described vertical current constructed wetland, horizontal drowned flow artificial wet land and tank are respectively 80cm and 60cm, but the aspect ratio horizontal drowned flow artificial wet land of vertical current constructed wetland and tank height 15cm, for 65cm, this can not overflow to guarantee that sewage is recycled after pump is evacuated to vertical current constructed wetland fast better.
The water distributor design of preferred vertical current constructed wetland be connect to connect again after the water pipe place of recycle pump connects a threeway two curved logical, when the water level in tank arrives high liquid level place, recycle pump is started working, in 2 ~ 3 minutes, sewage is evacuated to low liquid level place, the water level of vertical current constructed wetland inside is made to exceed stromal surface 10 ~ 20cm, regulate the rising pipe valve of vertical current constructed wetland, ooze under sewage is quick and flow to horizontal drowned flow artificial wet land surface by header.Described substrate of vertical-flow constructed wetlands top layer plantation emergent, as cyperus alternifolius, planting density is 12 strains/m
2.
The vertical wet field facilities for treating sewage of backflow of the present invention adopts haydite and gravel as filler, and two kinds of fillers are all cheap and easy to get.The filling kind that this area routine uses is more, and the present invention, by carefully analyzing research in conjunction with great many of experiments contrast, adopts haydite and gravel two kinds of fillers as combination, and the complementation both effectively playing and synergism, obtain beyond thought good result.Play the feature that haydite specific surface area is large, ensure the effect of microorganism colonization, can COD, BOD in fast degradation sewage
5, NH
4 +~ N and organism, and the hydrophobic organism of energy strong adsorption, and due to haydite light weight, itself and gravel are pressed on gravel bottom with the ratio of packing height 1:1; SS in gravel bed effectively catching sewage, for the growth of plant provides rigid condition, will carry out Ammonia Nitrification effect fast and organic matter degradation process in vertical current constructed wetland inside.The present invention, around the header of horizontal drowned flow artificial wet land, selects the larger gravel of particle diameter to prevent the blocking of header, and be conducive to wetland inside and form environment based on amphimicrobe, raising device is to NO
3 -the removal ability of ~ N, sewage will alternately be with the environment of aerobic microbiological and amphimicrobe in the process flowing through device.
Backflow of the present invention vertical wetland sewage disposal treatment unit has higher hydraulic load, can effectively prevent wetland inside from blocking.
The flow velocity of sewage in the vertical wet field facilities for treating sewage of return-flow type controls by the valve of the valve and horizontal drowned flow artificial wet land rising pipe that regulate vertical current constructed wetland rising pipe, coutroi velocity ensures that pollutent is fully degraded and necessary effluent cycle number of times smoothly, finally ensures removal effect.
The removal process of the vertical wet field facilities for treating sewage of return-flow type to pollutent mainly comprises, and realizes the oxygenation to sewage, improve the biodegradability of sewage in the process that recycle pump draws water at single; Plant absorption in vertical current constructed wetland, the nutritive substance in absorption effluent, and by photosynthetic oxygen evolution, oxygenation is carried out to water body, reduce the organic loading of sewage; Suspended particulate in the gravel matrix entrapment sewage of top layer; Because haydite specific surface area is comparatively large, be beneficial to microorganism growth, when oozing to haydite layer under sewage, the ammonia nitrogen class material in sewage and the effect of organism generation Quick Oxidation, NH
4 +~ N is to NO
2 -~ N and NO
3 -~ N transforms, and oxidation operation forms carbonic acid gas; In addition due to the adsorption of gravel and haydite, the heavy metal in sewage and difficult degradation class material all can effectively be removed, and at horizontal drowned flow artificial wet land, further adsorption will occur these pollutents; The NO transformed in vertical current constructed wetland
2 -~ N and NO
3 -denitrification is there is and changes into nitrogen in ~ N under the environment based on amphimicrobe of horizontal drowned flow artificial wet land; Sewage iterates through the vertical wet field facilities for treating sewage of return-flow type thus finally realizes the up to standard of effluent quality.
Adopt the inventive method, summed up by the attenuation change of monitoring each pollutent and show that every batch of sewage disposal time is the best removal effect that about 6h can reach pollutent, apparatus of the present invention continuously-running, can process 4 batches of sewage every day.
The beneficial effect that the present invention produces:
The vertical marsh sewage treatment system of ingehious design of the present invention, and can scientifically organically combine with autocontrol method, adopt the operation scheme of single batch of sewage disposal and intermittent pump around circuit sewage, thus efficiently and effectively decreases the floor space of wetland, and solve the problem of sewage once-through wet land system poor processing effect, the speed of its denitrogenation and degradation of organic substances and efficiency are all better than domestic combined artificial swamp, its maximum advantage thoroughly can realize automatic operating after the completion of bed rearrangement device, the turnover discharge of automatic control sewage, utilize water monitor to realize recycle pump to open and close automatically by phased manner simultaneously, whole sewage treatment process is without the need to manual operation, thoroughly realize automatization and intelligent operation, and effectively reduce energy consumption, continuously-running, except running debugging early stage, daily without the need to labor management.
Present invention process design is simple and clear, operational management is simple, electromechanical box is utilized to manipulate the switch of rly., the turnover discharge of automatic control sewage, utilize water monitor to realize recycle pump to open and close automatically by phased manner, whole sewage treatment process, without the need to manual operation, thoroughly realizes automatization and intelligent operation simultaneously, and effectively reduce energy consumption, continuously-running.
Compared with the combined artificial wet land system of Present Domestic, the present invention is creatively by vertical current constructed wetland, horizontal drowned flow artificial wet land and tank are connected on vertical space, efficiently and effectively decreases the floor space of wetland, reduce energy consumption, and solve the problem of sewage once-through wet land system poor processing effect, the speed of its denitrogenation and degradation of organic substances and efficiency are all better than domestic combined artificial swamp, the ability that apparatus of the present invention remove pollutent is stronger, and its simple structure, dispersion treatment raw waste water can be used it for, be adapted at applying in the community of city and country, this device effectively can also remove the trace toxic pollutent in polluted-water, as agricultural chemicals, medicine, endocrine disrupter and heavy metal etc.
Accompanying drawing explanation
Fig. 1 is the vertical wet field facilities for treating sewage structural representation of return-flow type of invention.
Fig. 2 is horizontal drowned flow artificial wet land left view.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and unless stated otherwise, the raw material that the present invention adopts and equipment are raw material and the equipment of the art routine.
Embodiment 1
The present embodiment provides the vertical wet land sewage treating process of a kind of backflow in order to process sanitary sewage (deriving from the sewage that rural area and town dweller discharge every day), comprises the following steps:
S1. vertical current constructed wetland, horizontal drowned flow artificial wet land and tank are combined into vertical Sewage treatment systems from top to bottom; Vertical current constructed wetland, horizontal drowned flow artificial wet land are connected with water distributor by header with tank;
Described vertical current constructed wetland bottom arranges filler, filling surface planting plants; Described horizontal drowned flow artificial wet land arranges filler;
S2. sewage draws water from tank by recycle pump, the oxygenation to sewage is realized in the process of being drawn water by single, plant absorption in vertical current constructed wetland, the nutritive substance in absorption effluent after sewage extraction, and by photosynthetic oxygen evolution, oxygenation is carried out to water body, reduce the organic loading of sewage, filler in vertical current constructed wetland retains, the suspended particulate in absorption effluent and the heavy metal in sewage and difficult degradation class material, NH
4 +~ N is converted into NO
2 -~ N and NO
3 -~ N; Then, sewage through the further adsorption of horizontal drowned flow artificial wet land, the NO in sewage
2 -~ N and NO
3 -~ N changes into nitrogen;
S3. sewage iterates through described vertical Sewage treatment systems and finally realizes the up to standard of effluent quality;
Wherein, described vertical Sewage treatment systems is Automated condtrol, the implementation method of described Automated condtrol is: by startup and the closedown of monitoring water level controlled circulation pump, realize the circular treatment of sewage, regulate single batch of sewage load and treatment time by Control.
Adopt the inventive method, the process of sewage flows to and is: the wastewater level in tank reaches the high liquid level end of water monitor, connect the power supply of recycle pump, sewage is pumped down to vertical current constructed wetland from tank fast, wastewater level in tank drops to the low liquid level end of water monitor, disconnect recycle pump power supply, ooze under sewage gravity in vertical current constructed wetland, the water distributor of horizontal drowned flow artificial wet land is entered by the header of vertical current constructed wetland, arrive horizontal drowned flow artificial wet land, sewage oozes from the water distributor of horizontal drowned flow artificial wet land, fullness level drowned flow artificial wet land gradually from bottom to top, when the sewage level of its inside is up to the standard undercurrent rising pipe position, sewage oozes extruding horizontal drowned flow artificial wet land header place sewage under continuing enters tank by rising pipe.Circulation is carried out.
Preferably, described in S1, vertical current constructed wetland bottom arranges filler, and filling-material structure is gravel and haydite two kinds of fillers, its cobble-stone upper, haydite under.Further preferably, the loading height ratio of described two kinds of fillers is 1:1.Further preferably, the loading height of described two kinds of fillers is 20cm.
Preferably, described gravel specification ε=0.4 ~ 0.5, described haydite specification ε=0.5 ~ 0.6.
Preferably, plant described in S1 is emergent, and the density of plantation emergent is 12 strains/m
2.Further preferably, described emergent selects cyperus alternifolius.
Preferably, horizontal drowned flow artificial wet land described in S1 arranges filler is gravel.Further preferably, the loading height of described gravel is 40cm.Preferably, described gravel specification ε=0.4 ~ 0.5.
Automated condtrol process is arranged:
S1 sets out water lines rly. working hour t on electromechanical box
1=22 min, (time t
1need ensure that the sewage processed in tank can be disposed to the minimum level place of rising pipe 11); Suction culvert rly. working hour t is set
2=8 min, (time t
2need ensure that amount of inlet water can reach high liquid level place, the present embodiment lays water monitor in tank, and setting high liquid level is 40cm, and low-water level is 10cm); The interval time arranging rly. two task is t
3=330 min, (time t
3according to the time point that pollutant removal is best);
S2 manual unlocking electromechanical box switch, the rly. on outlet pipeline takes the lead in work, working time t
1after end, system closes the rly. on outlet pipeline automatically, automatically opens the rly. on suction culvert, t when running simultaneously
2after end, device will no longer be intake, and recycle pump 4 starts intermittent automatically to run, sewage enter circular treatment state until working time t
3terminate.
Single batch of sewage disposal time t=t
1+ t
2+ t
3=360 min.
T
3during=330min, return-flow type vertical wet land sewage treating process Inlet and outlet water water quality and elimination capacity are recorded in table 1.
Table 1 return-flow type vertical wet land sewage treating process Inlet and outlet water water quality and elimination capacity
Note: n=14, every batch processed sewage 250L, the treatment time is 6h, can process 4 batches of sewage every day.
The present embodiment effectively can control the operational conditions of reflux pump, reduces energy consumption cost, and reaches best removal effect, conventional water quality effluent index COD
cr, SS, TN, NH
4 +the concentration threshold (GB18918-2002) that ~ N limits far below municipal sewage treatment one-level A standard.
Embodiment 2
The present embodiment provides a kind of sewage (derive from widespread pollution from the overuse of fertilizers and pesticides in rural area) of vertical wet land sewage treating process process by pesticidal contamination that refluxes, and comprises the following steps:
S1. vertical current constructed wetland, horizontal drowned flow artificial wet land and tank are combined into vertical Sewage treatment systems from top to bottom; Vertical current constructed wetland, horizontal drowned flow artificial wet land are connected with water distributor by header with tank;
Described vertical current constructed wetland bottom arranges filler, filling surface planting plants; Described horizontal drowned flow artificial wet land arranges filler;
S2. sewage draws water from tank by recycle pump, the oxygenation to sewage is realized in the process of being drawn water by single, plant absorption in vertical current constructed wetland, the nutritive substance in absorption effluent after sewage extraction, and by photosynthetic oxygen evolution, oxygenation is carried out to water body, reduce the organic loading of sewage, filler in vertical current constructed wetland retains, the suspended particulate in absorption effluent and the heavy metal in sewage and difficult degradation class material, NH
4 +~ N is converted into NO
2 -~ N and NO
3 -~ N; Then, sewage through the further adsorption of horizontal drowned flow artificial wet land, the NO in sewage
2 -~ N and NO
3 -~ N changes into nitrogen;
S3. sewage iterates through described vertical Sewage treatment systems and finally realizes the up to standard of effluent quality;
Wherein, described vertical Sewage treatment systems is Automated condtrol, the implementation method of described Automated condtrol is: by startup and the closedown of monitoring water level controlled circulation pump, realize the circular treatment of sewage, regulate single batch of sewage load and treatment time by Control.
Adopt the inventive method, the process of sewage flows to and is: the wastewater level in tank reaches the high liquid level end of water monitor, connect the power supply of recycle pump, sewage is pumped down to vertical current constructed wetland from tank fast, wastewater level in tank drops to the low liquid level end of water monitor, disconnect recycle pump power supply, ooze under sewage gravity in vertical current constructed wetland, the water distributor of horizontal drowned flow artificial wet land is entered by the header of vertical current constructed wetland, arrive horizontal drowned flow artificial wet land, sewage oozes from the water distributor of horizontal drowned flow artificial wet land, fullness level drowned flow artificial wet land gradually from bottom to top, when the sewage level of its inside is up to the standard undercurrent rising pipe position, sewage oozes extruding horizontal drowned flow artificial wet land header place sewage under continuing enters tank by rising pipe.Circulation is carried out.
Preferably, described in S1, vertical current constructed wetland bottom arranges filler, and filling-material structure is gravel and haydite two kinds of fillers, its cobble-stone upper, haydite under.Further preferably, the loading height ratio of described two kinds of fillers is 1:1.Further preferably, the loading height of described two kinds of fillers is 20cm.
Preferably, described gravel specification ε=0.4 ~ 0.5, described haydite specification ε=0.5 ~ 0.6.
Preferably, plant described in S1 is emergent, and the density of plantation emergent is 12 strains/m
2.Further preferably, described emergent selects cyperus alternifolius.
Preferably, horizontal drowned flow artificial wet land described in S1 arranges filler is gravel.Further preferably, the loading height of described gravel is 40cm.Preferably, described gravel specification ε=0.4 ~ 0.5.
Automated condtrol process is arranged:
S1 sets out water lines rly. working hour t on electromechanical box
1=22 min, (time t
1need ensure that the sewage processed in tank can be disposed to the minimum level place of rising pipe 11); Suction culvert rly. working hour t is set
2=8 min, (time t
2need ensure that amount of inlet water can reach the high liquid level place of setting, the present embodiment lays water monitor in tank, and setting high liquid level is 40cm, and low-water level is 10cm); The interval time arranging rly. two task is t
3=330 min, (time t
3according to the time point that pollutant removal is best);
S2 manual unlocking electromechanical box switch, the rly. on outlet pipeline takes the lead in work, working time t
1after end, system closes the rly. on outlet pipeline automatically, automatically opens the rly. on suction culvert, t when running simultaneously
2after end, device will no longer be intake, and recycle pump starts intermittent automatically to run, sewage enter circular treatment state until working time t
3terminate.
Single batch of sewage disposal time t=t
1+ t
2+ t
3=360 min.
T
3during=330 min, return-flow type vertical wet land sewage treating process Inlet and outlet water water quality and elimination capacity are recorded in table 2.
Table 2 return-flow type vertical wet land sewage treating process Inlet and outlet water water quality and elimination capacity
Note: n=14, every batch processed sewage 250L, the treatment time is 6h, can process 4 batches of sewage every day.
The conventional water quality effluent index COD of the present embodiment
cr, TN, NH
4 +the concentration threshold (GB18918-2002) that ~ N limits far below municipal sewage treatment one-level A standard, water outlet pesticide concentration meets drinking water sanitary standard (GB5749-2006).
Embodiment 3
The present embodiment provides a kind of sewage (derive from industrial wastewater discharge) of vertical wet land sewage treating process process by heavy metal contamination that refluxes, and comprises the following steps:
S1. vertical current constructed wetland, horizontal drowned flow artificial wet land and tank are combined into vertical Sewage treatment systems from top to bottom; Vertical current constructed wetland, horizontal drowned flow artificial wet land are connected with water distributor by header with tank;
Described vertical current constructed wetland bottom arranges filler, filling surface planting plants; Described horizontal drowned flow artificial wet land arranges filler;
S2. sewage draws water from tank by recycle pump, the oxygenation to sewage is realized in the process of being drawn water by single, plant absorption in vertical current constructed wetland, the nutritive substance in absorption effluent after sewage extraction, and by photosynthetic oxygen evolution, oxygenation is carried out to water body, reduce the organic loading of sewage, filler in vertical current constructed wetland retains, the suspended particulate in absorption effluent and the heavy metal in sewage and difficult degradation class material, NH
4 +~ N is converted into NO
2 -~ N and NO
3 -~ N; Then, sewage through the further adsorption of horizontal drowned flow artificial wet land, the NO in sewage
2 -~ N and NO
3 -~ N changes into nitrogen;
S3. sewage iterates through described vertical Sewage treatment systems and finally realizes the up to standard of effluent quality;
Wherein, described vertical Sewage treatment systems is Automated condtrol, the implementation method of described Automated condtrol is: by startup and the closedown of monitoring water level controlled circulation pump, realize the circular treatment of sewage, regulate single batch of sewage load and treatment time by Control.
Adopt the inventive method, the process of sewage flows to and is: the wastewater level in tank reaches the high liquid level end of water monitor, connect the power supply of recycle pump, sewage is pumped down to vertical current constructed wetland from tank fast, wastewater level in tank drops to the low liquid level end of water monitor, disconnect recycle pump power supply, ooze under sewage gravity in vertical current constructed wetland, the water distributor of horizontal drowned flow artificial wet land is entered by the header of vertical current constructed wetland, arrive horizontal drowned flow artificial wet land, sewage oozes from the water distributor of horizontal drowned flow artificial wet land, fullness level drowned flow artificial wet land gradually from bottom to top, when the sewage level of its inside is up to the standard undercurrent rising pipe position, sewage oozes extruding horizontal drowned flow artificial wet land header place sewage under continuing enters tank by rising pipe.Circulation is carried out.
Preferably, described in S1, vertical current constructed wetland bottom arranges filler, and filling-material structure is gravel and haydite two kinds of fillers, its cobble-stone upper, haydite under.Further preferably, the loading height ratio of described two kinds of fillers is 1:1.Further preferably, the loading height of described two kinds of fillers is 20cm.
Preferably, described gravel specification ε=0.4 ~ 0.5, described haydite specification ε=0.5 ~ 0.6.
Preferably, plant described in S1 is emergent, and the density of plantation emergent is 12 strains/m
2.Further preferably, described emergent selects Canna generalis Bailey.
Preferably, horizontal drowned flow artificial wet land described in S1 arranges filler is gravel.Further preferably, the loading height of described gravel is 40cm.Preferably, described gravel specification ε=0.4 ~ 0.5.
Automated condtrol process is arranged:
S1 sets out water lines rly. working hour t on electromechanical box
1=22 min, (time t
1need ensure that the sewage processed in tank can be disposed to the minimum level place of rising pipe 11); Suction culvert rly. working hour t is set
2=8 min, (time t
2need ensure that amount of inlet water can reach high liquid level place, the present embodiment lays water monitor in tank, and setting high liquid level is 40cm, and low-water level is 10cm); The interval time arranging rly. two task is t
3=330 min, (time t
3according to the time point that pollutant removal is best);
S2 manual unlocking electromechanical box switch, the rly. on outlet pipeline takes the lead in work, working time t
1after end, system closes the rly. on outlet pipeline automatically, automatically opens the rly. 15 on suction culvert, t when running simultaneously
2after end, device will no longer be intake, and recycle pump 4 starts intermittent automatically to run, sewage enter circular treatment state until working time t
3terminate.
Single batch of sewage disposal time t=t
1+ t
2+ t
3=360 min.
T
3during=330min, return-flow type vertical wet land sewage treating process Inlet and outlet water water quality and elimination capacity are recorded in table 3.
Table 3 return-flow type vertical wet land sewage treating process Inlet and outlet water water quality and elimination capacity
Note: n=14, every batch processed sewage 250L, the treatment time is 6h, can process 4 batches of sewage every day.
The present embodiment effectively controls the operational conditions of reflux pump, reduces energy consumption cost, and reaches best removal effect, conventional water quality effluent index COD
cr, SS, TN, NH
4 +the concentration threshold (GB18918-2002) that ~ N limits far below municipal sewage treatment one-level A standard, water outlet heavy metal content reaches surface water II class water quality standard (GB3838-2002).
Embodiment 4
The present embodiment provides a kind of apparatus system of optimization, in order to realize present invention process more efficiently.
Reflux vertical wet field facilities for treating sewage structural representation as shown in Figure 1 described in the present embodiment, comprise that upper vertical artificial wetland 3, middle layer horizontal drowned flow artificial are wet 2, bottom tank 1, recycle pump 4 and electromechanical box 12, utilize support 18 vertical current constructed wetland 3, horizontal drowned flow artificial wet land 2 and tank 1 to be combined into vertical structure from top to bottom.
The inside filling gravel 7 of described vertical current constructed wetland 3 and haydite 8, gravel 7 is upper, haydite 8 under, gravel 7 surface grafting cyperus alternifolius 6, vertical current constructed wetland 3 is provided with water distributor 9, one end of water distributor 9 connects recycle pump 4, recycle pump 4 connects tank 1, lays header 10 bottom vertical current constructed wetland 3, and the water outlet of vertical current constructed wetland is located at bottom wetland, the side of water outlet connects header 10, and opposite side connects a threeway; The side of threeway connects valve, and the bottom of threeway connects the water distributor 12 of horizontal drowned flow artificial wet land;
Described horizontal drowned flow artificial wet land 2 inside filling gravel 7, horizontal drowned flow artificial wet land 2 lays water distributor 12, water distributor 12 connects described vertical current constructed wetland header 10, lays header 11 bottom horizontal subsurface flow wetland 2, sets out the mouth of a river bottom wetland 2, water outlet side connects header 11, opposite side connects a threeway, and threeway side connects a valve, the top connecting water pipe of threeway, water pipe arranges valve, and is connected with tank 1;
Described tank 1 one side bottom is provided with outlet pipeline, outlet pipeline connecting tee, and threeway side connects recycle pump 4, and opposite side connects rising pipe 13; The opposite side of tank 1 lays suction culvert 14; Lay water monitor 5 in described tank 1, described suction culvert and outlet pipeline lay rly. 15, rly. 15 controls by electromechanical box 16.In Fig. 1, arrow is the flow direction signal of sewage in the vertical wet field facilities for treating sewage of return-flow type.
For convenience of explanation, the present embodiment provides following design specification further: the length, width and height of upper vertical artificial wetland 3 are respectively 80cm, 60cm, 65cm, the length, width and height of middle layer horizontal drowned flow artificial wet land 2 are respectively 80cm, 60cm, 50cm, and the length, width and height of bottom tank 1 are respectively 80cm, 60cm, 50cm.The aspect ratio horizontal drowned flow artificial wet land of vertical current constructed wetland and tank height 15cm, can guarantee that sewage is recycled after pump is evacuated to vertical current constructed wetland fast better can not overflow.Vertical structure is combined under the support of Steel Bracket 18, the size of three pond bodies can carry out suitably mitigation and amplification according to the ratio of its length, width and height, header is constructed with water distributor to be connected three pond bodies with pvc pipe (Ф 32mm), by startup and the closedown of water monitor 5 controlled circulation pump 4, realize the circular treatment of sewage, and rly. 15 of arranging in pairs or groups is with regulating and controlling single batch of sewage load and treatment time, the operating mode of rly. 15 and recycle pump 4 controls by electromechanical box 16.
Described vertical current constructed wetland 3 effectively can remove SS, COD, BOD in sewage
5and NH
4 +-N, its inner filling gravel 7(ε=0.4 ~ 0.5) and haydite 8(ε=0.5 ~ 0.6), filling-material structure is that gravel is upper, haydite under, the loading height of two kinds of fillers is all 20cm, adopt haydite and gravel two kinds of fillers as combination, the complementation both effectively playing and synergism, obtain beyond thought good result.Play the feature that haydite specific surface area is large, ensure the effect of microorganism colonization, can COD, BOD in fast degradation sewage
5, NH
4 +~ N and organism, and the hydrophobic organism of energy strong adsorption, and due to haydite light weight, itself and gravel are pressed on gravel bottom with the ratio of packing height 1:1; SS in gravel bed effectively catching sewage, for the growth of plant provides rigid condition, will carry out Ammonia Nitrification effect fast and organic matter degradation process in vertical current constructed wetland inside.At gravel surface grafting cyperus alternifolius 6 (12 strains/m
2), the water distributor 9 of vertical current constructed wetland is the water pipe connecting recycle pump 4, connects a threeway, threeway both sides respectively connect one curved logical, lay " matrix pattern " header 10 bottom vertical current constructed wetland 3, header 10 two bottom sides symmetrical 45
.angle perforate, position of opening interval 5cm, aperture is 0.5cm, the water outlet of vertical current constructed wetland is located at body bottom right side middle position, pond, and left side connects header, and right side connects a threeway, the right side of threeway connects valve, and bottom connects the water distributor 12 of horizontal drowned flow artificial wet land.Described horizontal drowned flow artificial wet land 2 effectively can remove SS, COD, BOD in sewage
5and NO
3 --N, its inner filling gravel 7(ε=0.4 ~ 0.5), loading height is 40cm, is conducive to wetland inside and forms amphimicrobian environment, improve device to NO
3 -the removal ability of-N, sewage alternately will enter aerobic and amphimicrobian environment in the process flowing through device.The right lateral surface of horizontal drowned flow artificial wet land lays water distributor 12, the medium position of water distributor 12 connects the rising pipe of upper vertical artificial wetland 3 header 10, the symmetrical 45° angle perforate of water distributor 12 two bottom sides, pitch of holes is 5cm, aperture is 0.5cm, horizontal subsurface flow wetland 2 left bottom lays header 11, the symmetrical 45° angle perforate of header two bottom sides, pitch of holes is 5cm, aperture is 0.5cm, in pond, body left bottom centre sets out the mouth of a river, header is connected on the right side of water outlet, left side connects a threeway, a valve is connected on the left of threeway, top connects " day font " water pipe 11, horizontal subsurface flow wetland 2 left view as shown in Figure 2.At intermediate lateral water pipe, place arranges valve, the longitudinal water pipe access in right side tank 1.Described tank 1 connects pvc pipe in the bottom 5cm place perforate of left side central portion distance, connect with threeway, it is 370W that left side connects recycle pump 4(power), other one connects rising pipe 13, a water inlet pipe 14 is laid on the right side of tank 1, in tank, lay water monitor 5 in addition, setting high-water is 40cm, and low-water level is 10cm.The water yield of each extracting sewage of recycle pump 4 accounts for 4/5 of sewage total amount.The suction culvert 14 and outlet pipeline 13 of tank 1 lay rly. 15, and rly. 15 controls by electromechanical box 16, and the principle of work of rly. 15 is that sewage is by pipeline after powered up, and namely deenergization sewage be plugged.When the water level in tank 1 arrives high liquid level place, recycle pump 4 is started working, in 2 ~ 3 minutes, sewage is evacuated to low liquid level place, the water level of vertical current constructed wetland inside is made to exceed stromal surface 10 ~ 20cm, regulate the rising pipe valve of vertical current constructed wetland, ooze under sewage is quick and flow to horizontal drowned flow artificial wet land surface by header.
Electromechanical box 16 sets out water lines rly. 15 working hour t
1=22 min, (time t
1need ensure that the sewage processed in tank 1 can be disposed to the minimum level place of rising pipe 11); Suction culvert rly. 15 working hour t is set
2=8 min, (time t
2need ensure that amount of inlet water can reach high liquid level place, i.e. 40cm place); The interval time arranging rly. 15 liang of tasks is t
3=330 min, (time t
3according to the time point that pollutant removal is best);
S2 the present embodiment lays water monitor in tank, and setting high liquid level is 40cm, and low-water level is 10cm.First manual unlocking electromechanical box 16 switch, rly. 15 on outlet pipeline takes the lead in work, need ensure that the sewage processed in tank 1 can be disposed to the minimum level place of rising pipe, after terminating working time, system closes the rly. 15 on outlet pipeline automatically, automatically open the rly. 15 on suction culvert simultaneously, need ensure that amount of inlet water can reach high liquid level place, water level in tank arrives high-water, connect recycle pump 4 power supply, recycle pump 4 automatically by sewage extracting to upper strata vertical current constructed wetland 3, in tank 1, water level drops to low-water level place, recycle pump 4 power supply disconnects, sewage flows into tank 1 from top to bottom after vertical current constructed wetland 3 and horizontal drowned flow artificial wet land 2, this working cycle is repeated when water level reaches high liquid level place.
Working time: manual unlocking electromechanical box 16 switch, the rly. 15 on outlet pipeline takes the lead in work, working time t
1after end, system closes the rly. 15 on outlet pipeline automatically, automatically opens the rly. 15 on suction culvert, t when running simultaneously
2after end, device will no longer be intake, and recycle pump 4 starts intermittent automatically to run, sewage enter circular treatment state until working time t
3terminate.
Single batch of sewage disposal time t=t
1+ t
2+ t
3=360 min.
T
3during=330min, return-flow type vertical wet land sewage treating process Inlet and outlet water water quality and elimination capacity are recorded in table 4.
Table 4 return-flow type vertical wet field facilities for treating sewage Inlet and outlet water water quality and elimination capacity
Note: n=14, every batch processed sewage 250L, the treatment time is 6h, can process 4 batches of sewage every day.
The conventional water quality effluent index COD of the present embodiment
cr, SS, TN, NH
4 +the concentration threshold (GB18918-2002) that ~ N limits far below municipal sewage treatment one-level A standard, water outlet pesticide concentration meets drinking water sanitary standard (GB5749-2006), and water outlet heavy metal content reaches surface water II class water quality standard (GB3838-2002).
Summed up by a large amount of test of long duration and embodiment and find, present invention process is simple and clear, operational management is simple, utilize electromechanical box to manipulate the switch of rly., automatically control the turnover discharge of sewage, utilize water monitor to realize recycle pump simultaneously and open and close automatically by phased manner, whole sewage treatment process is without the need to manual operation, thoroughly realize automatization and intelligent operation, and effectively reduce energy consumption, continuously-running.
Claims (10)
1. reflux a vertical wet land sewage treating process, it is characterized in that, comprise the following steps:
S1. vertical current constructed wetland, horizontal drowned flow artificial wet land and tank are combined into vertical Sewage treatment systems from top to bottom; Vertical current constructed wetland, horizontal drowned flow artificial wet land are connected with water distributor by header with tank;
Described vertical current constructed wetland bottom arranges filler, filling surface planting plants; Described horizontal drowned flow artificial wet land arranges filler;
S2. sewage draws water from tank by recycle pump, the oxygenation to sewage is realized in the process of being drawn water by single, plant absorption in vertical current constructed wetland, the nutritive substance in absorption effluent after sewage extraction, and by photosynthetic oxygen evolution, oxygenation is carried out to water body, reduce the organic loading of sewage, filler in vertical current constructed wetland retains, the suspended particulate in absorption effluent and the heavy metal in sewage and difficult degradation class material, NH
4 +~ N is converted into NO
2 -~ N and NO
3 -~ N; Then, sewage through the adsorption of horizontal drowned flow artificial wet land, the NO in sewage
2 -~ N and NO
3 -~ N changes into nitrogen;
S3. sewage iterates through described vertical Sewage treatment systems and finally realizes the up to standard of effluent quality;
Wherein, described vertical Sewage treatment systems is Automated condtrol, the implementation method of described Automated condtrol is: by startup and the closedown of monitoring water level controlled circulation pump, realize the circular treatment of sewage, regulate single batch of sewage load and treatment time by Control.
2. reflux vertical wet land sewage treating process according to claim 1, and it is characterized in that, described in S1, vertical current constructed wetland bottom arranges filler, and filling-material structure is gravel and haydite two kinds of fillers, its cobble-stone upper, haydite under; The loading height ratio of described two kinds of fillers is 1:1.
3. reflux vertical wet land sewage treating process according to claim 1, it is characterized in that, plant described in S1 is emergent, and the density of plantation emergent is 12 strains/m
2.
4. reflux vertical wet land sewage treating process according to claim 1, it is characterized in that, it is gravel that horizontal drowned flow artificial wet land described in S1 arranges filler.
5. reflux vertical wet land sewage treating process according to claim 1, and it is characterized in that, the implementation method of described Automated condtrol is: arrange tank outlet pipeline rly. working hour t by rly.
1, time t
1ensure that the sewage processed in tank can be disposed to the minimum level place of rising pipe, suction culvert rly. working hour t is set
2, time t
2ensure that amount of inlet water reaches the high liquid level place of tank; T is set
1and t
2interval time be t
3, time t
3for sewage enters the time of circular treatment;
Manual unlocking switch, the rly. on outlet pipeline takes the lead in work, working time t
1after end, system closes the rly. on outlet pipeline automatically, automatically opens the rly. on suction culvert, t when running simultaneously
2after end, device will no longer be intake, and recycle pump starts intermittent automatically to run, sewage enter circular treatment state until working time t
3terminate, single batch of sewage disposal time t=t
1+ t
2+ t
3.
6. reflux vertical wet land sewage treating process according to claim 1, it is characterized in that, described time t
3be 300 ~ 360min.
7. the application of technique described in claim 1 to 6, is characterized in that being applied to sanitary sewage, the sewage by pesticidal contamination, the sewage by heavy metal contamination, the waste water control aspect polluted by microbiotic and/or endocrine disrupter.
8. the device of the vertical wet land sewage treating process that realizes refluxing described in any one of claim 1 to 6, it is characterized in that, comprise vertical current constructed wetland, horizontal drowned flow artificial wet land, tank, recycle pump and electromechanical box, utilize support vertical current constructed wetland, horizontal drowned flow artificial wet land and tank to be combined into vertical structure from top to bottom;
Described vertical current constructed wetland inside filling gravel and haydite, gravel is upper, haydite under, gravel surface grafting cyperus alternifolius, vertical current constructed wetland is provided with water distributor, one end of water distributor connects recycle pump, recycle pump connects tank, and lay header bottom vertical current constructed wetland, the water outlet of vertical current constructed wetland is located at bottom wetland, the side of water outlet connects header, and opposite side connects a threeway; The side of threeway connects valve, and the opposite side of threeway connects the water distributor of horizontal drowned flow artificial wet land;
Described horizontal drowned flow artificial wet land inside filling gravel, horizontal drowned flow artificial wet land lays water distributor, water distributor connects described vertical current constructed wetland header, lays header, set out the mouth of a river bottom wetland bottom horizontal subsurface flow wetland, water outlet side connects header, opposite side connects a threeway, and threeway side connects a valve, the top connecting water pipe of threeway, water pipe arranges valve, and is connected with tank;
Described tank one side bottom is provided with outlet pipeline, outlet pipeline connecting tee, and threeway side connects recycle pump, and opposite side connects rising pipe; The opposite side of tank lays suction culvert; Lay water monitor in described tank, described suction culvert and outlet pipeline lay rly., and rly. controls by electromechanical box.
9. device according to claim 8, is characterized in that, described vertical current constructed wetland underdrain pipe is " matrix pattern ", the symmetrical 45° angle perforate of header two bottom sides, position of opening interval 5cm, and aperture is 0.5cm; The water outlet of vertical current constructed wetland is located at the wetland lower center position that wetland and water distributor enter wetland one end opposite side;
The water distributor of described horizontal drowned flow artificial wet land is laid in the surface of the horizontal drowned flow artificial wet land being positioned at the same side with the water outlet of vertical current constructed wetland, the medium position of water distributor connects the rising pipe of upper vertical artificial wetland header, the symmetrical 45° angle perforate of water distributor two bottom sides, pitch of holes is 5cm, aperture is 0.5cm, header is laid bottom the wetland of horizontal subsurface flow wetland side relative to its water distributor, the symmetrical 45° angle perforate of header two bottom sides, pitch of holes is 5cm, aperture is 0.5cm, water outlet is arranged at the wetland bottom center place with header the same side.
10. the application of device described in claim 8 or 9, is characterized in that being applied to sanitary sewage, the sewage by pesticidal contamination, the sewage by heavy metal contamination, the waste water control aspect polluted by microbiotic and/or endocrine disrupter.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007181A (en) * | 2016-06-23 | 2016-10-12 | 张锦宇 | Tidal mixed flow constructed wetland system and sewage treatment method |
| CN107215958A (en) * | 2017-07-24 | 2017-09-29 | 中国科学院水生生物研究所 | A kind of method and device of complex vertical tidal flow artificial wetland |
| CN108439605A (en) * | 2018-05-03 | 2018-08-24 | 广州大学 | Composite type artificial wetland garbage loading embeading percolation liquid filtration system |
| CN108911155A (en) * | 2018-07-17 | 2018-11-30 | 江苏省环境科学研究院 | A kind of hybrid constructed wetland system and its method for handling low-concentration heavy metal sewage |
| CN109354195A (en) * | 2018-11-09 | 2019-02-19 | 上海勘测设计研究院有限公司 | A kind of current wetland structure |
| CN111018266A (en) * | 2019-12-31 | 2020-04-17 | 华南理工大学 | Landscape type modularized biological carbon multistage artificial wetland automatic treatment system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060243659A1 (en) * | 2004-04-28 | 2006-11-02 | Fred Svirklys | Floating wetland structures for use in water remediation |
| CN101781060A (en) * | 2010-03-02 | 2010-07-21 | 河北农业大学 | Composite artificial wetland sewage treatment system |
| CN202881048U (en) * | 2012-09-28 | 2013-04-17 | 中国科学院烟台海岸带研究所 | Multi-medium constructed wetland water treatment system |
| CN203269659U (en) * | 2013-05-28 | 2013-11-06 | 天津市环境保护科学研究院 | High-efficiency nitrogen removal three-stage composite constructed wetland |
-
2014
- 2014-08-29 CN CN201410434090.5A patent/CN104211182B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060243659A1 (en) * | 2004-04-28 | 2006-11-02 | Fred Svirklys | Floating wetland structures for use in water remediation |
| CN101781060A (en) * | 2010-03-02 | 2010-07-21 | 河北农业大学 | Composite artificial wetland sewage treatment system |
| CN202881048U (en) * | 2012-09-28 | 2013-04-17 | 中国科学院烟台海岸带研究所 | Multi-medium constructed wetland water treatment system |
| CN203269659U (en) * | 2013-05-28 | 2013-11-06 | 天津市环境保护科学研究院 | High-efficiency nitrogen removal three-stage composite constructed wetland |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007181A (en) * | 2016-06-23 | 2016-10-12 | 张锦宇 | Tidal mixed flow constructed wetland system and sewage treatment method |
| CN107215958A (en) * | 2017-07-24 | 2017-09-29 | 中国科学院水生生物研究所 | A kind of method and device of complex vertical tidal flow artificial wetland |
| CN107215958B (en) * | 2017-07-24 | 2022-09-27 | 中国科学院水生生物研究所 | Application method and device of composite vertical tidal flow artificial wetland |
| CN108439605A (en) * | 2018-05-03 | 2018-08-24 | 广州大学 | Composite type artificial wetland garbage loading embeading percolation liquid filtration system |
| CN108911155A (en) * | 2018-07-17 | 2018-11-30 | 江苏省环境科学研究院 | A kind of hybrid constructed wetland system and its method for handling low-concentration heavy metal sewage |
| CN109354195A (en) * | 2018-11-09 | 2019-02-19 | 上海勘测设计研究院有限公司 | A kind of current wetland structure |
| CN111018266A (en) * | 2019-12-31 | 2020-04-17 | 华南理工大学 | Landscape type modularized biological carbon multistage artificial wetland automatic treatment system |
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