CN104192983B - A kind of complex ecological high loading Efficiency for Soil Aquifer Treatment - Google Patents
A kind of complex ecological high loading Efficiency for Soil Aquifer Treatment Download PDFInfo
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- CN104192983B CN104192983B CN201410424105.XA CN201410424105A CN104192983B CN 104192983 B CN104192983 B CN 104192983B CN 201410424105 A CN201410424105 A CN 201410424105A CN 104192983 B CN104192983 B CN 104192983B
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Abstract
The present invention relates to a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment, comprise fast infiltration layer, slow infiltration layer, layer of displacement and header tank; Fast infiltration layer is top layer, and slow infiltration layer is middle layer, and layer of displacement is bottom; Header tank is arranged at the side at fast infiltration layer top, and the bottom of header tank is provided with the water distributor be communicated with it, and water distributor level stretches into the top of fast infiltration layer; The bottom of water distributor offers several water outlets; Side bottom layer of displacement is provided with the water shoot be communicated with it; The thickness of fast infiltration layer is 40 ~ 60cm, is made up of soil, bamboo powder, wood powder and grit, and wherein, the volume ratio of soil, bamboo powder, wood powder and grit is 2:2:2:1; The thickness of slow infiltration layer is 40 ~ 60cm, is made up of soil, bamboo powder and wood powder, and wherein, the volume ratio of soil, bamboo powder and wood powder is 10:3:3; The thickness of layer of displacement is 5 ~ 10cm, is made up of gravel.The present invention not easily blocks, rate of percolation is fast, good sewage processing effect and persistence is high.
Description
Technical field
The present invention relates to the processing technology field of water, waste water, sewage or mud, especially a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment.
Background technology
Soil filtration treatment system is a kind of sewerage ecological the treatment of artificial-strengthening, it makes full use of Wuli-Shili-Renli system approach that soil animal, soil microorganisms, root system of plant and the soil of perching in the soil below earth's surface has by sewage purification, belongs to small-sized waste water soil treatment system.The filler adopted in common Efficiency for Soil Aquifer Treatment mostly is stone, macromolecular material, gravel, sand etc., and soil proportion is minimum even not to be had, and microbial growth environment is single, and diversity is not enough, causes wastewater treatment efficiency can not be lasting.
The decentralized type sewage treatment technology close with the technology of the present invention mainly contains soil slow rate technology, the quick diafiltration techniques of soil and undercurrent type wetland technology, but these technology all also exist some shortcomings part.
Although the effect of soil slow rate technology initial stage process is better, rate of percolation is slow, and hydraulic load is low, is only 0.1 ~ 0.2m/d, easily produces latch up phenomenon.
The water conservancy of the quick diafiltration techniques of soil meets higher, can reach more than 1.0m/d, but effluent quality is poor, and persistence sewage treatment capacity is poor.
Undercurrent type wetland technology is the technology that at present application is wider, and treatment effect is good, but comparatively large by seasonal effect, and the root system of plant can only be utilized to carry out sewage disposal, to the management of plant, chooses and has strict requirement; Construction, management difficulty greatly, require strict.
Summary of the invention
The invention provides a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment, technical problem to be solved be easily block in percolation process suddenly at a slow speed, after the slow and rate of percolation of rate of percolation accelerates, the problem that wastewater treatment efficiency declines, persistence is low.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment, comprises fast infiltration layer, slow infiltration layer, layer of displacement and header tank; Described fast infiltration layer is top layer, and described slow infiltration layer is middle layer, and described layer of displacement is bottom; Described header tank is arranged at the side at described fast infiltration layer top, and the bottom of described header tank is provided with the water distributor be communicated with it, and described water distributor level stretches into the top of described fast infiltration layer; The bottom of described water distributor offers several water outlets; Side bottom described layer of displacement is provided with the water shoot be communicated with it.
The thickness of described fast infiltration layer is 40 ~ 60cm, is made up of soil, bamboo powder, wood powder and grit, and wherein, the volume ratio of described soil, bamboo powder, wood powder and grit is 2:2:2:1.
The thickness of described slow infiltration layer is 40 ~ 60cm, is made up of soil, bamboo powder and wood powder, and wherein, the volume ratio of described soil, bamboo powder and wood powder is 10:3:3.
The thickness of described layer of displacement is 5 ~ 10cm, is made up of gravel.
The invention has the beneficial effects as follows: the present invention adopts bamboo powder, wood powder, gravel to mix by different ratios with soil, form the filter layer that upper and lower two-layer permeability coefficient is different, improve the perviousness of soil, make sewage rate of percolation far above conventional soil slow rate method, with the rate of percolation of the quick percolation process of soil quite, even higher; The wood powder, bamboo powder etc. that adopt and soil Homogeneous phase mixing, the existing effect as soil skeleton, is conducive to regulating perviousness, again because of its porousness and the biological microorganism growth that is beneficial to, makes full use of the diversity of soil microorganisms, improve the treatment effect to sewage.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the thickness of described fast infiltration layer is 50cm; The thickness of described slow infiltration layer is 45cm; The thickness of described layer of displacement is 5cm.
Adopting the beneficial effect of above-mentioned further scheme to be selected each layer thickness is preferred thickness of the present invention.
Further, between the bottom surface of described fast infiltration layer and the end face of described slow infiltration layer, be provided with heavy metal adsorption transition layer, primarily of soil, bamboo charcoal and charcoal composition, wherein, the volume ratio of described soil, bamboo charcoal and charcoal is 2:2:3.
Adopt the beneficial effect of above-mentioned further scheme to be can active adsorption heavy metal, solve current decentralized type sewage and not dispose of sewage the deficiency of middle heavy metal contamination.
Further, described bamboo charcoal is bamboo matrix activated carbon, and described charcoal is wooden matrix activated carbon.
The beneficial effect of above-mentioned further scheme is adopted to be the advantages of good adsorption effect of gac.
Further, described grit was the grit of 10 ~ 20 mesh sieves.
The beneficial effect of above-mentioned further scheme is adopted to be the uniformity that can ensure soil filtration.
Further, the position that described water distributor level stretches into described fast infiltration layer top is positioned at the 0 ~ 5cm place below the end face of described fast infiltration layer.
Adopting the beneficial effect of above-mentioned further scheme to be that water distributor is not outer and be exposed at soil surface, is give out stink to prevent; If arrange too dark, soil can be wasted.
Further, described fast infiltration layer kind is implanted with the well developed root system plant that the root system degree of depth is 30 ~ 60cm.
Adopt the beneficial effect of above-mentioned further scheme to be the microbial process effectively strengthening soil, sewage from top to bottom the fast infiltration layer of infiltrate and slow infiltration layer time, the effective absorbed nitrogen phosphorus of root system of plant, decomposing organic matter, improve sewage treatment capacity, reach ecological, environmental protective effect.
Further, described complex ecological high loading Efficiency for Soil Aquifer Treatment adopts full-automatic electric control system, for controlling full-automatic water distribution to soil and setting water distribution time.
Adopt the beneficial effect of above-mentioned further scheme to be adopt full-automatic electric control system, can the water inlet of Efficiency for Soil Aquifer Treatment be set arbitrarily and cut off the water the cycle of operation, eliminate the microorganism clogging problem that soil method easily produces; Fast infiltration layer is with the two-layer filter layer of slow infiltration layer because permeability coefficient is different, and after stopping water inlet, slow infiltration layer continues in process of osmosis, produces negative pressure to fast infiltration layer, makes air accelerate, to soil diffusion, to be beneficial to maintenance soil activation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, fast infiltration layer, 2, slow infiltration layer, 3, layer of displacement, 4, header tank, 5, water distributor, 6, water outlet, 7, water shoot.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
In an embodiment, as shown in Figure 1, a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment, comprises fast infiltration layer 1, slow infiltration layer 2, layer of displacement 3 and header tank 4; Described fast infiltration layer 1 is top layer, and described slow infiltration layer 2 is middle layer, and described layer of displacement 3 is bottom; Described header tank 4 is arranged at the side at described fast infiltration layer 1 top, and the bottom of described header tank 4 is provided with the water distributor 5 be communicated with it, and described water distributor 5 level stretches into the top of described fast infiltration layer 1; The bottom of described water distributor 5 offers several water outlets 6; Side bottom described layer of displacement 3 is provided with the water shoot 7 be communicated with it.
The thickness of described fast infiltration layer 1 is 50cm, is made up of soil, bamboo powder, wood powder and grit, and wherein, the volume ratio of described soil, bamboo powder, wood powder and grit is 2:2:2:1.
The thickness of described slow infiltration layer 2 is 45cm, is made up of soil, bamboo powder and wood powder, and wherein, the volume ratio of described soil, bamboo powder and wood powder is 10:3:3.
The thickness of described layer of displacement 3 is 5cm, is made up of gravel.
Heavy metal adsorption transition layer is provided with between the bottom surface and the end face of described slow infiltration layer 2 of described fast infiltration layer 1, form primarily of soil, bamboo charcoal and charcoal, wherein, the volume ratio of described soil, bamboo charcoal and charcoal is 2:2:3, can active adsorption heavy metal, solve current decentralized type sewage and not dispose of sewage the deficiency of middle heavy metal contamination.
Described bamboo charcoal is bamboo matrix activated carbon, and described charcoal is the advantages of good adsorption effect of wooden matrix activated carbon, gac.
Described grit was the grit of 20 mesh sieves, can ensure the uniformity of soil filtration.
The position that described water distributor 5 level stretches into described fast infiltration layer 1 top is positioned at end face 0 ~ 5cm place of described fast infiltration layer 1.Water distributor 5 is not outer is exposed at soil surface, is give out stink to prevent; If arrange too dark, soil can be wasted.
Described fast infiltration layer a kind is implanted with the well developed root system plant that the root system degree of depth is 30 ~ 60cm, effectively strengthens the microbial process of soil, sewage from top to bottom the fast infiltration layer of infiltrate and slow infiltration layer time, the effective absorbed nitrogen phosphorus of root system of plant, decomposing organic matter, improves sewage treatment capacity, reaches ecological, environmental protective effect.
Described well developed root system plant optimization for herding straw or like vegetable, as napier grass, Herba penniseti, little green grass or clover etc.
Described complex ecological high loading Efficiency for Soil Aquifer Treatment adopts full-automatic electric control system, for controlling full-automatic water distribution to soil and setting water distribution time.Adopt full-automatic electric control system, can the water inlet of Efficiency for Soil Aquifer Treatment be set arbitrarily and cut off the water the cycle of operation, eliminate the microorganism clogging problem that soil method easily produces; Fast infiltration layer is with the two-layer filter layer of slow infiltration layer because permeability coefficient is different, and after stopping water inlet, slow infiltration layer continues in process of osmosis, produces negative pressure to fast infiltration layer, makes air accelerate, to soil diffusion, to be beneficial to maintenance soil activation.
When principle of work of the present invention is for water inlet, have lift pump to promote after header tank 4 to suitable water level, water can flow by gravity to water distributor 5, by the progressively diafiltration downwards of fast infiltration layer 1; During diafiltration to bottom, sewage is by fast infiltration layer 1 in the process of slow infiltration layer 2 diafiltration, and the organism in sewage is decomposed by Soil Microorganism and root system of plant acting in conjunction, and heavy metal is tightly held by activated carbon layer absorption; Water after purification is collected by the layer of displacement 3 of bottom gravel and is discharged by water shoot 7.
The present invention is when conventional sanitary sewage influent COD about cr400mg/L, and COD clearance reaches 95%, and ammonia nitrogen removal frank reaches 80%, and total tp removal rate reaches 75%, and effluent quality meets comprehensive " sewage drainage standard one-level A standard "; Hydraulic load is high, can reach 0.8 ~ 1.2m/d, far above the hydraulic load of soil slow rate method; Material therefor is native country crop and natural materials, ecological, environmental protective, runs simple, simple for structure, environmental friendliness, treats to improve the soil the ground Hui Ken used time more in the future, residual without natural macromolecular material, bulk gravel etc., almost directly can return and cultivate use; Running cost is cheap, and only need simple lifting water inlet water level, omnidistance without the need to aeration, running cost is no more than 0.15 yuan/t.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a complex ecological high loading Efficiency for Soil Aquifer Treatment, is characterized in that, comprises fast infiltration layer (1), slow infiltration layer (2), layer of displacement (3) and header tank (4); Described fast infiltration layer (1) is top layer, and described slow infiltration layer (2) is middle layer, and described layer of displacement (3) is bottom; Described header tank (4) is arranged at the side at described fast infiltration layer (1) top, the bottom of described header tank (4) is provided with the water distributor (5) be communicated with it, and described water distributor (5) level stretches into the top of described fast infiltration layer (1); The bottom of described water distributor (5) offers several water outlets (6); The side of described layer of displacement (3) bottom is provided with the water shoot (7) be communicated with it;
The thickness of described fast infiltration layer (1) is 40 ~ 60cm, is made up of soil, bamboo powder, wood powder and grit, and wherein, the volume ratio of described soil, bamboo powder, wood powder and grit is 2:2:2:1;
The thickness of described slow infiltration layer (2) is 40 ~ 60cm, is made up of soil, bamboo powder and wood powder, and wherein, the volume ratio of described soil, bamboo powder and wood powder is 10:3:3;
The thickness of described layer of displacement (3) is 5 ~ 10cm, is made up of gravel.
2. a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment according to claim 1, it is characterized in that, the thickness of described fast infiltration layer (1) is 50cm; The thickness of described slow infiltration layer (2) is 45cm; The thickness of described layer of displacement (3) is 5cm.
3. a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment according to claim 1 or 2, it is characterized in that, heavy metal adsorption transition layer is provided with between the bottom surface and the end face of described slow infiltration layer (2) of described fast infiltration layer (1), be made up of soil, bamboo charcoal and charcoal, wherein, the volume ratio of described soil, bamboo charcoal and charcoal is 2:2:3.
4. a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment according to claim 3, it is characterized in that, described bamboo charcoal is bamboo matrix activated carbon, and described charcoal is wooden matrix activated carbon.
5. a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment according to claim 1 or 2, it is characterized in that, described grit was the grit of 10 ~ 20 mesh sieves.
6. a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment according to claim 1 or 2, it is characterized in that, 0 ~ 5cm place below the end face that the position that described water distributor (5) level stretches into described fast infiltration layer (1) top is positioned at described fast infiltration layer (1).
7. a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment according to claim 1 or 2, is characterized in that, described fast infiltration layer (1) kind is implanted with the well developed root system plant that the root system degree of depth is 30 ~ 60cm.
8. a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment according to claim 1 or 2, it is characterized in that, described complex ecological high loading Efficiency for Soil Aquifer Treatment adopts full-automatic electric control system, for controlling full-automatic water distribution to soil and setting water distribution time.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105293620A (en) * | 2015-12-03 | 2016-02-03 | 重庆甘泰环保设备有限公司 | Artificial rapid infiltration tank applicable to living sewage treatment in towns |
| CN105621790A (en) * | 2015-12-25 | 2016-06-01 | 常州大学 | Method for processing high-concentration ammonia-nitrogen wastewater through soil infiltration |
| CN107285473A (en) * | 2017-07-06 | 2017-10-24 | 江苏原木环境科技有限公司 | A kind of efficient constructed wetland device |
| CN110498509B (en) * | 2019-08-22 | 2023-09-22 | 广西师范大学 | High ammonia nitrogen sewage treatment device and sewage treatment method using same |
| CN111362395A (en) * | 2020-03-06 | 2020-07-03 | 沈阳大学 | Ecological matrix for improving denitrification of subsurface infiltration system and preparation method thereof |
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| US6277274B1 (en) * | 1999-04-16 | 2001-08-21 | Larry Steven Coffman | Method and apparatus for treating stormwater runoff |
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| JP2567761B2 (en) * | 1991-09-07 | 1996-12-25 | 長崎県 | Pesticide filter tank |
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Patent Citations (6)
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| US6277274B1 (en) * | 1999-04-16 | 2001-08-21 | Larry Steven Coffman | Method and apparatus for treating stormwater runoff |
| CN101229937A (en) * | 2008-01-22 | 2008-07-30 | 南京大学 | High-load capillary infiltration trench system for treating domestic wastewater |
| CN101823792A (en) * | 2009-03-06 | 2010-09-08 | 中国地质大学（北京） | Device, system and method for vertical multilevel soil permo-treatment of sewage and mixed fillers |
| CN103395884A (en) * | 2013-06-28 | 2013-11-20 | 张列宇 | Sewage processing apparatus for depth-type underground soil percolation system |
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Effective date of registration: 20160805 Address after: Thailand 530000 Nanning Road, the Guangxi Zhuang Autonomous Region Qingxiu District No. 11 North Bay Tower 23 Patentee after: Guangxi Asia Environmental Protection Polytron Technologies Inc Address before: 541004 Guilin in the Guangxi Zhuang Autonomous Region City Yucai Road No. 15 Patentee before: Guangxi Normal University |
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