CN204918165U - Stack formula integrated vertical -flow constructed wetland sewage treatment plant - Google Patents
Stack formula integrated vertical -flow constructed wetland sewage treatment plant Download PDFInfo
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- CN204918165U CN204918165U CN201520610075.1U CN201520610075U CN204918165U CN 204918165 U CN204918165 U CN 204918165U CN 201520610075 U CN201520610075 U CN 201520610075U CN 204918165 U CN204918165 U CN 204918165U
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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
- 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
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Abstract
An object of the utility model is to provide a stack formula integrated vertical -flow constructed wetland sewage treatment plant of high -efficient denitrogenation, its primary structure include that upper good oxygen pond, lower floor anaerobism pond and outside communicating pipe constitute, it is spaced apart in, that good oxygen pond and anaerobism pond superpose from top to bottom, feeds through through outside pipeline. This device can effectively improve the clearance of wetland system nitrogen through artificially creating the denitrogenation necessary condition, sewage treatment plant tail water warp the utility model discloses degree of depth denitrogenation processing back, the nitrate nitrogen improves 20% -50% with total nitrogen clearance, and area reduces by half, effective water environmental quality who is received the water, simultaneously the utility model discloses the device can effectively improve the pollution load that the wetland was intake, is showing reduction wetland area.
Description
Technical field
The utility model patent relates to technical field of water pollution control, is specifically related to a kind of superposing type composite vertical flow artificial wetland sewage treatment device, has that nitric efficiency is high, floor space is little and the advantage such as convenient management.
Technical background
Water resources, as irreplaceable natural resources, occupies critical role in Economic development and people's lives.China is a serious lack of water country, in water resources spatial and temporal distributions, year and year border distribute serious uneven.Meanwhile, the situation is tense for the water environment pollution of China.Up-to-date environmental aspect publication display, the large water system of China seven, lake, reservoir and some areas underground water are polluted all in various degree, and this exacerbates the shortage of China's Available water resources further.
As typical eco-treatment technology, artificial swamp so that its clean effect is good, secondary pollution is little, operation cost is low, the advantage such as operation and simple and convenient management, be widely used in the fields such as the purification of water quality of polluted-water, pollution of area source control, rainwater treatment and utilization, sewage disposal, Tailwater Depth process.Nitrogen is the important factor in order causing body eutrophication, and compared with COD, BOD, artificial swamp is usually undesirable to the removal effect of N.This is mainly because the removal of N in wetland relates to comparatively complicated mechanism and approach.Enter the various nitrogen pollutants in wetland, mainly remove from system via the process such as ammonia oxidation, nitrification and denitrification, and these processes are all driven by different microorganisms, wherein nitrification and denitrification is clear and definite aerobic and anaerobic process respectively, the functional microorganism of two kinds of processes has distinct demand to oxygen environment, and in wetland, be often difficult to the demand simultaneously meeting both, thus usually cause wetland not high to the clearance of N.
Vertical current constructed wetland combines the Some features of surface stream and horizontal drowned flow artificial wet land, take full advantage of the space of wetland, play the synergy between system, sewage treatment capacity is made to obtain larger raising, and floor space is less relative to other types artificial swamp, the relative other types wetland of hydraulic load is comparatively large, and nitric efficiency is higher relative to other types artificial swamp.
In engineer applied, there is the large problem of floor space in artificial swamp, this problem greatly limit artificial swamp applying in city etc.
Based on above problem, forefathers have done a large amount of trial and have attempted to solve this difficulty, successively occurred waveform undercurrent, have fallen the techniques such as formula stream, composite vertical current, aeration type, combined type artificial wetland, but do not addressed this problem at all.
Summary of the invention
The purpose of this utility model is for above Problems existing, provides a kind of superposing type composite vertical flow artificial wetland sewage treatment device.The utility model is made up of upper strata Aerobic Pond and lower floor's anaerobic pond, two ponds superpose up and down, spaced intermediate, be communicated with by external pipe, combine the existing advantage of vertical current constructed wetland, people is for creating denitrogenation prerequisite, substantially increase wet land system nitric efficiency, significantly reduce wetland floor space simultaneously.
For achieving the above object, the utility model adopts following technical scheme:
A kind of superposing type composite vertical flow artificial wetland sewage treatment device, comprise Aerobic Pond and anaerobic pond, described Aerobic Pond is superimposed upon on anaerobic pond, anaerobic pond integral sealing, anaerobic pond pool wall arranges pressure lock, the first water distributor is laid on Aerobic Pond top layer, high porosity filler (0.5-0.6%) is filled in Aerobic Pond, lay first bottom Aerobic Pond and receive water pipe, the second water distributor is laid on anaerobic pond top layer, low porosity filler (0.3-0.45%) is filled in anaerobic pond, lay second bottom anaerobic pond and receive water pipe, water inlet manifold connects the first water distributor through aerobic pool wall, first water side of receiving water pipe is connected with the feed-water end of the second water distributor and arranges automatic water feeding control valve, the first water side connection of receiving water pipe overflows water pipe, overflow water pipe and first to receive between water pipe and arrange manual water inlet control valve, overflow the water outlet of water pipe just to anaerobic pond water-in, anaerobic pond water-in connects one end of U-shaped water inlet pipe, the other end of U-shaped water inlet pipe connects the water inlet of the second water distributor through pool wall, the U mouth of U-shaped water inlet pipe upward and bottom vertical height lower than the second water distributor water inlet height, second receives water pipe connects the total rising pipe passing pool wall.
Described total rising pipe adopts upflow tube, and the mouth of pipe of total rising pipe is Y-tube, and Y-tube discharges water and recirculation water flow by Electric automatic control Valve controlling, and require to arrange certain reflux ratio according to effluent quality, recirculation water enters winding shaft.
The described water pipe vertex that overflows should lower than water inlet manifold mouth of pipe medullary ray 5-10cm, water inlet manifold with overflow water pipe and keep pressure reduction, to ensure that current flow out smoothly.
Described automatic water feeding control valve is butterfly valve, closes manual water inlet control valve, opens automatic water feeding control valve, and effective collocation of upflow tube and control valve is passed through in Aerobic Pond water outlet under gravity, can realize the continuous automatic feeding water of anaerobic pond in unmanned situation.
Described Aerobic Pond height 60-80cm, high porosity filler is volcanics, and its larger porosity is conducive to the biofilm of Aerobic Pond reoxygenation and aerobic microbiological, substantially increases the removal efficiency of ammonia nitrogen.
Large and the wetland plant that root system is huge of described Aerobic Pond top layer plantation biomass is as reed, Canna generalis Bailey, cattail etc., and the Radial Oxygen Loss from Root effect of plant effectively increases the dissolved oxygen amount of Aerobic Pond.
Described anaerobic pond height 80-100cm, low porosity filler is hard coal, and lower porosity is conducive to the growth that anaerobic pond keeps anaerobic state and anaerobion, substantially increases the removal efficiency of nitre nitrogen;
Described anaerobic pond water-in is set to trapezoidal, can effectively prevent because the anaerobic pond oxygenation caused is fallen in water inlet.
Described anaerobic pond water inlet pipe mouth arranges filter screen, prevents foreign matter from falling into anaerobic pond water-in blocking pipe.
Described Aerobic Pond and anaerobic pond are vertical current constructed wetland, and are downstream, arrange evacuated tube respectively bottom Aerobic Pond and anaerobic pond.
compared with prior art, the utility model has the following advantages and effect:
1) create denitrogenation prerequisite by artificial, effectively improve the clearance of wet land system nitrogen, realize the advanced nitrogen process to tail water, thus effectively improve the quality of water environment of receiving water body;
2) can have equal under people and unmanned state can keeping system operation continuously, management operating is easy;
3) effectively can improve the pollution load of wetland water inlet, significantly reduce wetland floor space;
4) overlaying structure of Aerobic Pond and anaerobic pond serves the effect of insulation, provides guarantee for keeping wetland at the decontamination effect improving of cool period.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device.
Fig. 2 is the modular construction schematic diagram of the utility model device.
Wherein: 1-Aerobic Pond, 2-water inlet manifold, 3-first water distributor, 4-high porosity filler, 5-first receives water pipe, 6-first row blank pipe, and 7-overflows water pipe, 8-automatic water feeding control valve (DN100), the manual water inlet control valve of 9-, 10-anaerobic pond water inlet pipe mouth, 11-filter screen, 12-U type water inlet pipe, 13-anaerobic pond, 14-second water distributor, 15-low porosity filler, 16-second receives water pipe, 17-pressure lock, 18-threeway electronic control valve (DN100), the total rising pipe of 19-, 20-second row blank pipe.
Embodiment
See Fig. 1 and Fig. 2, a kind of superposing type composite vertical flow artificial wetland sewage treatment device, upper strata Aerobic Pond 1 is superimposed upon on lower floor's anaerobic pond 13, Aerobic Pond 1 end and anaerobic pond 13 push up and adopt building block to separate, anaerobic pond 13 integral sealing, anaerobic pond 13 pool wall arranges pressure lock 17, the first water distributor 3 is laid on Aerobic Pond 1 top layer, high porosity filler 4(0.5-0.6% is filled) in Aerobic Pond 1, lay first bottom Aerobic Pond 1 and receive water pipe 5, the second water distributor 14 is laid on anaerobic pond 13 top layer, low porosity filler 15(0.3-0.45% is filled) in anaerobic pond 13, lay second bottom anaerobic pond 13 and receive water pipe 16, water inlet manifold 2 connects the first water distributor 3 through the pool wall of Aerobic Pond 1, first water side of receiving water pipe 5 is connected with the feed-water end of the second water distributor 14 and arranges automatic water feeding control valve 8, first receives water pipe 5(Y-tube) water side connect simultaneously and overflow water pipe 7, overflowing water pipe 7 vertex should lower than water inlet manifold 2 mouth of pipe medullary ray 5-10cm, overflow water pipe 7 and first to receive between water pipe 5 and arrange manual water inlet control valve 9, overflow the water outlet of water pipe 7 just to anaerobic pond 13 water-in, anaerobic pond 13 water-in connects one end of U-shaped water inlet pipe 12, the other end of U-shaped water inlet pipe 12 connects the water inlet of the second water distributor 14 through the pool wall of anaerobic pond 13, the U mouth of U-shaped water inlet pipe 12 upward and bottom vertical height lower than the second water distributor 14 water inlet height, second receives water pipe 16 connects the total rising pipe 19 passing pool wall, described anaerobic pond 13 water-in is set to trapezoidal, anaerobic pond water inlet pipe mouth 10 arranges filter screen 11, bottom Aerobic Pond and anaerobic pond, the first row blank pipe 6 and the second row blank pipe 20 that pass pool wall are set respectively.
The high 60-80cm of Aerobic Pond 1, the filler volcanics that filling pore rate is higher; The high 80-100cm of anaerobic pond 13, the lower filler of filling pore rate is as hard coal; On Aerobic Pond top layer plantation wetland plant (as reed, Canna generalis Bailey, cattail etc.); Sewage pumps into Aerobic Pond 1 by intake pump, Aerobic Pond water distribution uniformity is realized by top layer first water distributor 3, after the aerobic of Aerobic Pond and facultative process, receive water pipe 5 by bottom first to collect, under unmanned control status, Aerobic Pond water outlet is via overflowing water pipe 7 water outlet, and water outlet flows directly into the U-shaped water inlet pipe 12 connecting anaerobic pond 13, enters anaerobic pond top layer second water distributor 14 and realizes anaerobic pond water distribution uniformity; Under having people to control, open manual water inlet control valve 9, Aerobic Pond 1 water outlet manually water inlet control valve 9 enters anaerobic pond top layer second water distributor 14, realizes anaerobic pond water distribution uniformity; The integral sealing state of anaerobic pond, arranges U-shaped water inlet pipe 12 and makes anaerobic pond and air exclusion, and sewage, after the anaerobic treatment of anaerobic pond, is discharged via total rising pipe 19 overflow.Anaerobic pond overflows water pipe and is controlled to discharge water and recirculation water flow by threeway electronic control valve.Anaerobic pond pool wall arranges pressure lock 17 prevent because negative pressure causes anaerobic pond water inlet not smooth.
Described water distributor, each pipeline such as receipts water pipe and evacuated tube etc. are house steward DN100, arm DN80, UPVC water shoot.
Manual water inlet control valve 9 is Hand-operated butterfly valve DN100, automatic water feeding control valve 8 is electric butterfly valve DN100.
For verifying the effect of this device, we are with the conventional composite vertical current artificial wetland system in contrast be arranged in parallel, intake using the tail water of Sewage Plant one-level A standard as wetland, hydraulic load is chosen as 200mm/ days, result shows, this device is substantially identical with conventional composite vertical current artificial wetland to the removal efficiency of ammonia nitrogen, and nitric nitrogen and nitrogen removal rate improve 20%-50%, and floor space reduces half.
Claims (8)
1. a superposing type composite vertical flow artificial wetland sewage treatment device, comprise Aerobic Pond (1) and anaerobic pond (13), it is characterized in that: described Aerobic Pond (1) is superimposed upon on anaerobic pond (13), anaerobic pond (13) integral sealing, anaerobic pond (13) pool wall is arranged pressure lock (17), the first water distributor (3) is laid on Aerobic Pond (1) top layer, high porosity filler (4) is filled in Aerobic Pond (1), Aerobic Pond (1) bottom is laid first and is received water pipe (5), the second water distributor (14) is laid on anaerobic pond (13) top layer, low porosity filler (15) is filled in anaerobic pond (13), anaerobic pond (13) bottom is laid second and is received water pipe (16), water inlet manifold (2) connects the first water distributor (3) through the pool wall of Aerobic Pond (1), first water side of receiving water pipe (5) is connected with the feed-water end of the second water distributor (14) and arranges automatic water feeding control valve (8), the first water side connection of receiving water pipe (5) overflows water pipe (7), overflow water pipe (7) and first to receive between water pipe (5) and arrange manual water inlet control valve (9), overflow the water outlet of water pipe (7) just to anaerobic pond water inlet pipe mouth (10), anaerobic pond water inlet pipe mouth (10) connects one end of U-shaped water inlet pipe (12), the other end of U-shaped water inlet pipe (12) connects the water inlet of the second water distributor (14) through the pool wall of anaerobic pond (13), the U mouth of U-shaped water inlet pipe (12) upward and bottom vertical height lower than the second water distributor (14) water inlet height, second receives water pipe (16) connects the total rising pipe (19) passing pool wall.
2. a kind of superposing type composite vertical flow artificial wetland sewage treatment device according to claim 1, is characterized in that: described anaerobic pond water inlet pipe mouth (10) vertical section is set to trapezoidal.
3. a kind of superposing type composite vertical flow artificial wetland sewage treatment device according to claim 1, is characterized in that: described anaerobic pond water inlet pipe mouth (10) arranges filter screen (11).
4. a kind of superposing type composite vertical flow artificial wetland sewage treatment device according to claim 1, is characterized in that: described Aerobic Pond (1) and anaerobic pond (13) bottom arrange the first row blank pipe (6) and the second row blank pipe (20) that pass pool wall respectively.
5. a kind of superposing type composite vertical flow artificial wetland sewage treatment device according to claim 1, is characterized in that: on anaerobic pond pool wall, arrange pressure lock (17).
6. a kind of superposing type composite vertical flow artificial wetland sewage treatment device according to claim 1, is characterized in that: described Aerobic Pond height 60-80cm, and the filler of filling is volcanics.
7. according to a kind of superposing type composite vertical flow artificial wetland sewage treatment device according to claim 1, it is characterized in that: described anaerobic pond height 80-100cm, the filler of filling is hard coal.
8. a kind of superposing type composite vertical flow artificial wetland sewage treatment device according to claim 1, is characterized in that: described total rising pipe (19) adopts upflow tube, and the overflow mouth of pipe arranges threeway electronic control valve (18).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520610075.1U CN204918165U (en) | 2015-08-14 | 2015-08-14 | Stack formula integrated vertical -flow constructed wetland sewage treatment plant |
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| CN201520610075.1U CN204918165U (en) | 2015-08-14 | 2015-08-14 | Stack formula integrated vertical -flow constructed wetland sewage treatment plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060483A (en) * | 2015-08-14 | 2015-11-18 | 中国科学院水生生物研究所 | Overlap type composite sewage treatment device for vertical flow artificial wetland |
| CN109292995A (en) * | 2018-11-23 | 2019-02-01 | 山东大学 | The efficient oxygenating artificial wet land system of three-phase |
-
2015
- 2015-08-14 CN CN201520610075.1U patent/CN204918165U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060483A (en) * | 2015-08-14 | 2015-11-18 | 中国科学院水生生物研究所 | Overlap type composite sewage treatment device for vertical flow artificial wetland |
| CN109292995A (en) * | 2018-11-23 | 2019-02-01 | 山东大学 | The efficient oxygenating artificial wet land system of three-phase |
| WO2020103270A1 (en) * | 2018-11-23 | 2020-05-28 | 山东大学 | Three-phase efficient oxygen supplement artificial wetland system |
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