CN110482639B - Device suitable for administer terrace non-point source pollution - Google Patents

Device suitable for administer terrace non-point source pollution Download PDF

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Publication number
CN110482639B
CN110482639B CN201910746449.5A CN201910746449A CN110482639B CN 110482639 B CN110482639 B CN 110482639B CN 201910746449 A CN201910746449 A CN 201910746449A CN 110482639 B CN110482639 B CN 110482639B
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China
Prior art keywords
treatment layer
water
layer
terrace
point source
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CN201910746449.5A
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CN110482639A (en
Inventor
李世斌
范秀磊
邹晔锋
刘宇
刘加强
李莹
杨成方
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Xuzhou University of Technology
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Xuzhou University of Technology
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/306Pesticides

Abstract

The invention relates to a device capable of treating terrace non-point source pollution, which aims to reduce the N, P concentration and the organic pesticide concentration in water by treating sewage in a terrace drainage ditch through the device so as to effectively treat the terrace non-point source pollution. The device contains escape canal filter equipment, and layer, middle part are handled in top, layer, bottom are handled layer, multi-functional ball of handling and are used for the fixed base of device. The top treatment layer, the middle treatment layer and the bottom treatment layer are all filled with multifunctional treatment balls on the bottom plate and are combined into a whole through a water filtering channel. Sewage enters the treatment device from the water inlet at the top after being filtered by the drainage ditch, and is treated by the three areas at the top, the middle part and the bottom in sequence, each area can enable the sewage to stay for a longer time to be fully treated due to the structural design, and finally the sewage is discharged into the next-stage terrace for water supply from the water outlet at the bottom. The circulation is beneficial to water supply and water saving of the terrace, and the problem of non-point source pollution of the terrace is solved.

Description

Device suitable for administer terrace non-point source pollution
Technical Field
The invention relates to a device suitable for treating terrace non-point source pollution, and belongs to the technical field of farmland pollution control.
Background
The farmland non-point source pollution becomes the main reason of eutrophication of a plurality of water bodies in China, the contribution rate of the farmland non-point source pollution exceeds point source pollution from urban domestic sewage and industry, the water pollution caused by the farmland non-point source pollution is one of the biggest challenges of sustainable development in China, the farmland non-point source pollutant generated by farmland drainage is relatively complex and changes along with the types of applied fertilizers and pesticides, but generally mainly nitrogen, phosphorus, organic matters and pesticide residues. The effective control of the nitrogen and phosphorus concentration in the farmland non-point source pollution is a key measure for reducing the eutrophication degree of the farmland non-point source pollution receiving water body, and is also an important content in the farmland non-point source pollution control research aspect.
The method has wide terrace planting areas in southwest and southern areas of China, and the terrace is greatly different from plain farmlands due to unique discontinuity, small single-chip area and height drop, so that the prior farmland non-point source pollution control technology is also realized: the artificial wetland technology, the shore buffer zone control technology, the ecological channel purification technology and other farmland non-point source pollution control technologies are not suitable any more, and the existing non-point source pollution control technology is difficult to be applied to vast terrace planting areas in China.
At present, a plurality of methods and devices for treating the non-point source pollution of the common farmland exist, but few non-point source pollution devices suitable for treating the terrace are available. Based on the condition, the invention provides the device which is simple to install, simple to use, small in occupied area, high in treatment efficiency and suitable for managing terrace non-point source pollution, so that the problem of non-point source pollution of vast terrace production areas in China is solved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the device suitable for treating the terrace non-point source pollution, which has the advantages of simple installation, simple use, small occupied area and capability of realizing the purpose of efficiently and comprehensively treating the terrace non-point source pollution problem.
The invention is realized by the following technical scheme: the utility model provides a device suitable for administer terrace non-point source pollution which characterized in that: including escape canal filter equipment, the layer is handled at the top, layer and bottom processing layer are handled at the middle part, the top handle the layer, middle part is handled the layer and is handled the in situ portion with the bottom and be equipped with respectively and filter the passageway, multi-functional processing ball and porous bottom plate, the layer is handled at the top, middle part is handled the layer and is equipped with water inlet and delivery port respectively with the bottom processing layer, the delivery port on upper strata links to each other with the water inlet of lower floor, the layer is handled at the top, middle part is handled the layer and pass through the water filtration passageway junction combination together with the bottom, the water inlet on layer is handled at the top is the water inlet of whole device, to introduce processing apparatus through escape canal filter equipment water, the delivery port on bottom processing layer is the delivery port of whole device, the row that will be handled by processing apparatus goes into the terraced fields.
Activated alumina and silica gel are filled in the innermost part of the multifunctional treatment ball, gravel activated carbon is filled outside the activated alumina and the silica gel, and biological balls are filled outside the gravel activated carbon and are wrapped by porous plastics; the porous plastic is provided with holes, and the multifunctional processing balls are filled on the porous bottom plate.
The diameter of the hole is 5.00mm-1.00 cm.
The diameter of the multifunctional processing ball is 0.04-0.08 m.
The upper layer and the top of the side wall of the porous bottom plate are filter screens, and the lower layer of the side wall of the porous bottom plate is a plastic baffle.
The filter net of the filter passage is attached with a multifunctional processing ball, gravel and active carbon.
The top treatment layer, the middle treatment layer and the bottom treatment layer can be used for removing the connection and the splitting of the connection part of the water filtering channel into three independent parts.
The device suitable for treating terrace non-point source pollution is fixed on the terrace through a fixing device, the fixing device comprises 2 mutually vertical bases and fixing columns vertical to the 2 bases, the fixing columns are welded on the bases, and the other ends of the fixing columns are inserted into natural soil.
The base is 0.15-0.25m higher than the ground, so that the water outlet of the bottom treatment layer is 0.15-0.25m higher than the ground.
The fixed column is a cylinder with the length of 1.00-1.20m and the diameter of 0.04-0.06m, the lowest end is provided with four small iron columns which are mutually vertical, and the length of the small iron column is 0.05-0.1.m, and the diameter of the small iron column is 0.03-0.05 m.
During operation, after water in the escape canal filters the water inlet that gets into the top treatment layer through escape canal filter equipment, because the part that the bottom plate is porous (multi-functional processing ball is also porous structure) and three water filtration passageway blocks the effect, can make the water velocity of flow greatly reduce and increase the processing time, nevertheless the top treatment layer is handled the back of accomplishing, and water just can get into middle part treatment layer through water filtration passageway and continue to handle, discharges after the bottom treatment layer is handled at last and gets into next-level terrace water supply. The device is circulated in such a way, so that the purposes of simple installation, simple use, small occupied area, high treatment efficiency and suitability for terraced fields are achieved, and meanwhile, the water supply and water saving effects on the terraced fields can also be achieved.
The invention has the beneficial effects that: a multifunctional processing ball is constructed, so that the problem of single processing effect in the past is solved, and the small-area multifunctional effect can be realized; the device has small integral volume, good stability and high comprehensive treatment efficiency, and is suitable for vast terraced field production areas in China; the treatment is carried out in different areas, so that the treatment effect is good, the maintenance is simple, and the operation is simple; the filler is diversified, compared with the conventional treatment device, the adsorption material of the device is more diversified, and can adsorb pollutants with positive and negative charges in a water body, so that the treatment effect is better; the occupied area is small, and most of the occupied areas are drainage ditches and wall bodies incapable of planting crops; each area is divided into three parts and a water filtering channel, so that the water flow speed is greatly reduced, the retention time of water in the device is longer, and the treatment time is prolonged; the device can be produced integrally, and projects do not need to be developed in terraces, so that the land is saved, and the device is simple to mount and convenient to move; the device can supply water to the terrace in a reverse direction and saves terrace water, and the device is used for treating water and discharging the water to enter the next stage of terrace, so that the water can be recycled, the water diversion amount of the terrace is reduced, and the production cost is saved.
Drawings
The invention is further illustrated below with reference to the figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the top processing layer structure of the present invention;
FIG. 3 is a schematic view of the structure of the middle processing layer of the present invention;
FIG. 4 is a schematic view of the bottom treatment layer structure of the present invention;
FIG. 5 is a schematic view of the structure of the fixing device of the present invention;
FIG. 6 is a schematic view of the present invention in position in a terrace;
FIG. 7 is a schematic view of the structure of the multifunctional treatment ball of the present invention;
FIG. 8 is a schematic structural view of a water filtration channel of the present invention;
fig. 9 is a schematic view of the structure of the base plate of the present invention.
Detailed Description
A device suitable for treating terrace non-point source pollution as shown in fig. 1 to fig. 9, which is characterized in that: including escape canal filter equipment 16, layer 2 is handled at the top, middle part is handled layer 3 and bottom and is handled layer 4, top handle layer 2, middle part is handled layer 3 and bottom and is handled layer 4 inside and be equipped with filtration passageway 7 respectively, multi-functional processing ball 8 and porous bottom plate 9, layer 2 is handled at the top, middle part is handled layer 3 and bottom and is handled layer 4 and be equipped with water inlet and delivery port respectively, the delivery port on upper strata links to each other with the water inlet of lower floor, layer 2 is handled at the top, middle part is handled layer 3 and bottom and is handled layer 4 and pass through the combination of water filtration passageway junction 10 and be in the same place, the water inlet 1 of layer 2 is the water inlet of whole device is handled at the top, will pass through 16 water introduction processing apparatus of escape canal filter equipment, the delivery port 5 of layer 4 is the delivery port of whole device, the row of water that will be handled by processing apparatus goes into the terrace.
The innermost part of the multifunctional processing ball 8 is filled with activated alumina and silica gel 21, the outside of the activated alumina and silica gel 21 is filled with gravel activated carbon 23, and the outside of the gravel activated carbon 23 is filled with biological balls 20 and is wrapped by porous plastic 19; the porous plastic 19 is provided with holes 22, and the multifunctional processing balls 8 are filled on the porous bottom plate 9.
The diameter of the hole 22 is 5.00mm-1.00 cm.
The diameter of the multifunctional processing ball 8 is 0.04-0.08 m.
The upper layer and the top of the side wall of the porous bottom plate 9 are provided with filter screens 24, and the lower layer of the side wall of the porous bottom plate 9 is provided with a plastic baffle 25.
The filter screen of the filter passage 7 is attached with a multifunctional processing ball 8, gravel and active carbon.
The top treatment layer 2, the middle treatment layer 3 and the bottom treatment layer 4 can be used for removing the connection of the water filtering channel joint 10 and splitting into three independent parts.
The device suitable for treating the terrace non-point source pollution is fixed on the terrace through a fixing device, the fixing device comprises 2 mutually vertical bases 13, fixing columns 14 vertical to the 2 bases, the fixing columns 14 are welded on the bases 13, and natural soil 15 is inserted into the other ends of the fixing columns 14.
The base 13 is 0.15-0.25m higher than the ground, so that the water outlet 5 of the bottom treatment layer 4 is 0.15-0.25m higher than the ground.
The fixed column 14 is a cylinder with the length of 1.00-1.20m and the diameter of 0.04-0.06m, four small iron columns which are vertical to each other are arranged at the lowest end, and the length of the small iron columns is 0.05-0.1.m, and the diameter of the small iron columns is 0.03-0.05 m.
The device can work after being fixed to the wall close to the upper and lower terraces through the base 13. During operation, after the water in the escape canal filters the water inlet that gets into top treatment layer 2 through escape canal filter equipment 16, because the effect is blocked to the part of porous bottom plate 9 and three water filtration passageway 7, can make the water velocity of flow greatly reduce and increase the process time, but top treatment layer 2 handles the back of accomplishing, and water just can get into middle part treatment layer 3 through water filtration passageway 7 and continue to handle, discharges after bottom treatment layer 4 handles at last and gets into next-level terrace water supply.
The device is circulated in such a way, so that the purposes of simple installation, simple use, small occupied area, high treatment efficiency and suitability for terraced fields are achieved, and meanwhile, the water supply and water saving effects on the terraced fields can also be achieved.
The water treatment process, sewage pass through the drainage ditch filter equipment 16 who sets up in the drainage ditch for the first time after filtering and get into device top through water inlet 2 and handle layer 2, the top is handled the layer and is divided into 3 parts, and the veneer of every part all has a part along with filtering channel 7 and the multi-functional processing ball 8 nitrogen, phosphorus, organic matter and pesticide residue in the aquatic of entering device top processing layer and has certain reduction through multi-functional processing ball 8 absorption and utilization back concentration of porous bottom plate 9. Just can get into middle part treatment layer 3 through water filtration passageway junction 10 after water fills up this top treatment layer, and is the same, the water through top treatment layer 2 can experience same processing procedure at middle part treatment layer 3, it is longer at the middle part dwell time, the treatment effect is better, after the processing through middle part treatment layer, the nitrogen of aquatic, phosphorus, organic matter and pesticide residue concentration can show the reduction, afterwards, water can get into bottom treatment layer 4 through the water filtration passageway 10 of middle part treatment layer and carry out final processing procedure, the same with the processing mode on above-mentioned 2 layers, arrange into the terrace through delivery port 11 at last and carry out reverse water supply process.
And in the process of material replacement, when the device works for a period of time, from half a year to one year, if the material needs to be replaced, the filled porous bottom plate 9 with the multifunctional material balls 8 and the water filtering channel 7 are only required to be disassembled into an upper layer, a middle layer and a lower layer, then the porous bottom plate 9 and the water filtering channel 7 are respectively taken down for replacement, and the porous bottom plate 9 can be taken down. After replacement, the water filter can continue to work by combining the water filter with the water filter channel joint 10. The effect of reverse water supply and water saving for the terrace can be achieved while the non-point source pollution of the terrace is treated by the cyclic reciprocating.

Claims (6)

1. The utility model provides a device suitable for administer terrace non-point source pollution which characterized in that: comprises a drainage ditch filtering device (16), a top treatment layer (2), a middle treatment layer (3) and a bottom treatment layer (4), wherein the top treatment layer (2), the middle treatment layer (3) and the bottom treatment layer (4) are internally provided with a filtering channel (7), a multifunctional treatment ball (8) and a porous bottom plate (9) respectively, the top treatment layer (2), the middle treatment layer (3) and the bottom treatment layer (4) are provided with a water inlet and a water outlet respectively, the water outlet of the upper layer is connected with the water inlet of the lower layer, the top treatment layer (2), the middle treatment layer (3) and the bottom treatment layer (4) are combined together through a water filtering channel joint (10), the water inlet (1) of the top treatment layer (2) is the water inlet of the whole device, the water passing through the drainage ditch filtering device (16) is introduced into the treatment device, the water outlet (5) of the bottom treatment layer (4) is the water outlet of the whole device, discharging the water treated by the treatment device into the terraced fields; activated alumina and silica gel (21) are filled in the innermost part of the multifunctional treatment ball (8), gravel activated carbon (23) is filled outside the activated alumina and silica gel (21), and biological balls (20) are filled outside the gravel activated carbon (23) and are wrapped by porous plastic (19); holes (22) are arranged on the porous plastic (19), and the multifunctional processing balls (8) are filled on the porous bottom plate (9);
the upper layer and the top of the side wall of the porous bottom plate (9) are provided with filter screens (24), and the lower layer of the side wall of the porous bottom plate (9) is provided with a plastic baffle (25);
a multifunctional processing ball (8), gravel and active carbon are attached to the filter screen of the filter passage (7);
the top treatment layer (2), the middle treatment layer (3) and the bottom treatment layer (4) can relieve the connection of the water filtering channel joint (10) and split the water filtering channel joint into three independent parts.
2. The device suitable for treating terrace non-point source pollution according to claim 1, wherein: the diameter of the hole (22) is 5.00mm-1.00 cm.
3. The device suitable for treating terrace non-point source pollution according to claim 1, wherein: the diameter of the multifunctional processing ball (8) is 0.04-0.08 m.
4. The device suitable for treating terrace non-point source pollution according to claim 1, wherein: the device suitable for treating terrace non-point source pollution is fixed on a terrace through a fixing device, the fixing device comprises 2 mutually vertical bases (13) and fixing columns (14) vertical to the 2 bases, the fixing columns (14) are welded on the bases (13), and natural soil (15) is inserted into the other ends of the fixing columns (14).
5. The device for treating terrace non-point source pollution according to claim 4, wherein: the base (13) is 0.15-0.25m higher than the ground, so that the water outlet (5) of the bottom treatment layer (4) is 0.15-0.25m higher than the ground.
6. The device for treating terrace non-point source pollution according to claim 4, wherein: the fixed column (14) is a cylinder with the length of 1.00-1.20m and the diameter of 0.04-0.06m, four small iron columns which are vertical to each other are arranged at the lowest end, and the length of the small iron columns is 0.05-0.1.m, and the diameter of the small iron columns is 0.03-0.05 m.
CN201910746449.5A 2019-08-14 2019-08-14 Device suitable for administer terrace non-point source pollution Active CN110482639B (en)

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Application Number Priority Date Filing Date Title
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CN110482639B true CN110482639B (en) 2021-10-22

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9579591B1 (en) * 2010-08-13 2017-02-28 Horace Lester Gadson Liquid filtration device, method of assembly, and method of use

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KR20100057448A (en) * 2008-11-21 2010-05-31 주식회사 드림이엔지 Apparatus for treating non-point source pollution
CN103288312B (en) * 2013-07-08 2014-04-02 河海大学 Portable combined constructed wetland purifying box for farmland drainage ditch
CN206244506U (en) * 2016-09-30 2017-06-13 宁波大学 One kind cultivation water filtering device
CN108217968B (en) * 2016-12-14 2021-01-08 王迎春 Water body treatment member and preparation method and application thereof
CN207775022U (en) * 2017-12-12 2018-08-28 贾高锋 A kind of urban environmental protection sewage collecting purifier
CN109879458B (en) * 2019-03-07 2020-02-11 北京建筑大学 Placement type rainwater runoff filtering and purifying system and purifying body

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US9579591B1 (en) * 2010-08-13 2017-02-28 Horace Lester Gadson Liquid filtration device, method of assembly, and method of use

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