CN104192983A - Complex ecological high-load soil infiltration system - Google Patents
Complex ecological high-load soil infiltration system Download PDFInfo
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- CN104192983A CN104192983A CN201410424105.XA CN201410424105A CN104192983A CN 104192983 A CN104192983 A CN 104192983A CN 201410424105 A CN201410424105 A CN 201410424105A CN 104192983 A CN104192983 A CN 104192983A
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Abstract
The invention relates to a complex ecological high-load soil infiltration system. The complex ecological high-load soil infiltration system comprises a rapid infiltration layer, a slow infiltration layer, a drainage layer and an overhead tank, wherein the rapid infiltration layer is defined as a top layer, the slow infiltration layer is defined as an intermediate layer, the drainage layer is defined as a bottom layer; the overhead tank is arranged on one side of the top part of the rapid infiltration layer, the bottom of the overhead tank is provided with a water distribution pipe which is communicated with the overhead tank, the water distribution pipe horizontally extends into the top part of the rapid infiltration layer; a plurality of water outlets are formed in the bottom of the water distribution pipe; one side of the bottom of the drainage layer is provided with a drainage pipe which is communicated with the drainage layer; the thickness of the rapid infiltration layer is 40-60cm, and the rapid infiltration layer consists of soil, bamboo powder, wood powder and gravels with the volume ratio of 2:2:2:1; the thickness of the slow infiltration layer is 40-60cm, and the slow infiltration layer consists of soil, bamboo powder and wood powder with the volume ratio of 10:3:3; the thickness of the drainage layer is 5-10cm, and the drainage layer consists of gravels. The complex ecological high-load soil infiltration system is not easy to block, is rapid in infiltration speed, is good in sewage treating effect and is high in durability.
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 physics that soil animal, soil microorganisms, root system of plant and the soil of perching in the soil below earth's surface has, chemical property by sewage purification, belongs to small-sized polluted water land treatment system.The filler adopting 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 the 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 technology of soil and undercurrent type wetland technology, but these technology all exist some shortcomings part.
Although the effect that the soil slow rate technology initial stage processes 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 technology of soil meets higher, and more than can reaching 1.0m/d, but effluent quality is poor, and persistence sewage treatment capacity is poor.
Undercurrent type wetland technology is the current wider technology of application, and treatment effect is good, but is subject to seasonal effect larger, can only utilize the root system of plant to carry out sewage disposal, to the management of plant, choose and have strict requirement; Construction, management difficulty is large, requires 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 in percolation process, easily stop up suddenly at a slow speed, after rate of percolation is slow and 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 a side at described fast infiltration layer top, and the bottom of described header tank is provided with the water distributor being 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; One side of described layer of displacement bottom is provided with the water shoot being communicated with it.
The thickness of described fast infiltration layer is 40～60cm, soil, bamboo powder, wood powder and grit, consists of, 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, soil, bamboo powder and wood powder, consists of, 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, gravel, consists of.
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 different filter layer of upper and lower two-layer permeability coefficient, improved 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 adopting, bamboo powder etc. evenly mix with soil, and the existing effect as soil skeleton, is conducive to regulate perviousness, again because of its porousness and the biological microorganism growth that is beneficial to, makes full use of the diversity of soil microorganisms, has improved 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.
The beneficial effect that adopts above-mentioned further scheme is that 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, mainly soil, bamboo charcoal and charcoal, consist of, wherein, the volume ratio of described soil, bamboo charcoal and charcoal is 2:2:3.
The beneficial effect that adopts above-mentioned further scheme is can active adsorption heavy metal, solves the do not dispose of sewage deficiency of middle heavy metal contamination of current decentralized type sewage.
Further, described bamboo charcoal is bamboo matrix activated carbon, and described charcoal is wooden matrix activated carbon.
The beneficial effect that adopts above-mentioned further scheme is the advantages of good adsorption effect of gac.
Further, described grit was the grit of 10～20 mesh sieves.
The beneficial effect that adopts above-mentioned further scheme is the uniformity that can guarantee soil filtration.
Further, the position that described water distributor level stretches into described fast infiltration layer top is positioned at 0～5cm place of the end face below of described fast infiltration layer.
The beneficial effect that adopts above-mentioned further scheme is that water distributor is not exposed at soil surface outward, is in order to prevent from giving out stink; If arrange too deeply, can waste soil.
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.
The beneficial effect that adopts above-mentioned further scheme is the microbial process of effectively having strengthened soil, and sewage is from top to bottom when the fast infiltration layer of infiltrate and slow infiltration layer, the effective absorbed nitrogen phosphorus of root system of plant, and decomposing organic matter, improves sewage treatment capacity, reaches ecological, environmental protective effect.
Further, described complex ecological high loading Efficiency for Soil Aquifer Treatment adopts Full automatic electric Controlling System, for controlling the full-automatic water distribution in soil and setting the water distribution time.
The beneficial effect that adopts above-mentioned further scheme is to adopt Full automatic electric Controlling System, can set arbitrarily the water inlet of Efficiency for Soil Aquifer Treatment and cut off the water the cycle of operation, has eliminated the microorganism clogging problem that soil method easily produces; Fast infiltration layer, is stopping after water because permeability coefficient is different with the slow two-layer filter layer of infiltration layer, and slow infiltration layer continues, in process of osmosis, fast infiltration layer to be produced to negative pressure, 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 of each label representative 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
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, 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 a side at described fast infiltration layer 1 top, and the bottom of described header tank 4 is provided with the water distributor 5 being communicated with it, and described water distributor 5 levels stretch into the top of described fast infiltration layer 1; The bottom of described water distributor 5 offers several water outlets 6; One side of described layer of displacement 3 bottoms is provided with the water shoot 7 being communicated with it.
The thickness of described fast infiltration layer 1 is 50cm, soil, bamboo powder, wood powder and grit, consists of, 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, soil, bamboo powder and wood powder, consists of, 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, gravel, consists of.
Between the bottom surface of described fast infiltration layer 1 and the end face of described slow infiltration layer 2, be provided with heavy metal adsorption transition layer, mainly by soil, bamboo charcoal and charcoal, formed, wherein, the volume ratio of described soil, bamboo charcoal and charcoal is 2:2:3, can active adsorption heavy metal, solve the do not dispose of sewage deficiency of middle heavy metal contamination of current decentralized type sewage.
Described bamboo charcoal is bamboo matrix activated carbon, and described charcoal is wooden matrix activated carbon, the advantages of good adsorption effect of gac.
Described grit was the grit of 20 mesh sieves, can guarantee the uniformity of soil filtration.
The position that described water distributor 5 levels stretch 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 in order to prevent from giving out stink; If arrange too deeply, can waste soil.
1 kind of described fast infiltration layer is implanted with the well developed root system plant that the root system degree of depth is 30～60cm, has effectively strengthened the microbial process of soil, and sewage is from top to bottom when the fast infiltration layer of infiltrate and slow infiltration layer, 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 is 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 Controlling System, for controlling the full-automatic water distribution in soil and setting the water distribution time.Adopt Full automatic electric Controlling System, can set arbitrarily the water inlet of Efficiency for Soil Aquifer Treatment and cut off the water the cycle of operation, eliminated the microorganism clogging problem that soil method easily produces; Fast infiltration layer, is stopping after water because permeability coefficient is different with the slow two-layer filter layer of infiltration layer, and slow infiltration layer continues, in process of osmosis, fast infiltration layer to be produced to negative pressure, makes air accelerate, to soil diffusion, to be beneficial to maintenance soil activation.
When principle of work of the present invention is water inlet, have lift pump to promote header tank 4 to suitable water level, water meeting flow by gravity is to water distributor 5, by the progressively diafiltration downwards of fast infiltration layer 1; Diafiltration is to during bottom, and sewage is by fast infiltration layer 1 in the process of slow infiltration layer 2 diafiltrations, and the organism in sewage is decomposed by Soil Microorganism and root system of plant acting in conjunction, and heavy metal is adsorbed by activated carbon adsorption layer; Water after purification is collected and is discharged by water shoot 7 by the layer of displacement 3 of bottom gravel.
The present invention is when conventional sanitary sewage influent COD cr400mg/L left and right, COD clearance reaches 95%, ammonia nitrogen removal frank reaches 80%, 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, and operation is simple, simple for structure, and environmental friendliness is treated to improve the soil in the future ground Hui Ken used time again, residual without natural macromolecular material, bulk gravel etc., almost can directly return and cultivate use; Running cost is cheap, only needs the simple water inlet water level that promotes, and omnidistance without aeration, running cost is no more than 0.15 yuan/t.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in 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 a side at described fast infiltration layer (1) top, the bottom of described header tank (4) is provided with the water distributor (5) being 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); One side of described layer of displacement (3) bottom is provided with the water shoot (7) being communicated with it;
The thickness of described fast infiltration layer (1) is 40～60cm, soil, bamboo powder, wood powder and grit, consists of, 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, soil, bamboo powder and wood powder, consists of, 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, gravel, consists of.
2. a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment according to claim 1, 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. according to a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment described in claim 1 or 2, it is characterized in that, between the bottom surface of described fast infiltration layer (1) and the end face of described slow infiltration layer (2), be provided with heavy metal adsorption transition layer, by soil, bamboo charcoal and charcoal, formed, 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, is characterized in that, described bamboo charcoal is bamboo matrix activated carbon, and described charcoal is wooden matrix activated carbon.
5. according to a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment described in claim 1 or 2, it is characterized in that, described grit was the grit of 10～20 mesh sieves.
6. according to a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment described in claim 1 or 2, it is characterized in that, the position that described water distributor (5) level stretches into described fast infiltration layer (1) top is positioned at 0～5cm place, end face below of described fast infiltration layer (1).
7. according to a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment described in claim 1 or 2, it is characterized in that, described fast infiltration layer (1) is planted and is implanted with the well developed root system plant that the root system degree of depth is 30～60cm.
8. according to a kind of complex ecological high loading Efficiency for Soil Aquifer Treatment described in claim 1 or 2, it is characterized in that, described complex ecological high loading Efficiency for Soil Aquifer Treatment adopts Full automatic electric Controlling System, for controlling the full-automatic water distribution in soil and setting the water distribution time.
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Cited By (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 |
| CN110498509A (en) * | 2019-08-22 | 2019-11-26 | 广西师范大学 | A kind of high ammonia nitrogen sewage treatment unit and the method using its progress sewage treatment |
| 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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Cited By (6)
| 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 |
| CN110498509A (en) * | 2019-08-22 | 2019-11-26 | 广西师范大学 | A kind of high ammonia nitrogen sewage treatment unit and the method using its progress sewage treatment |
| 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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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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