CN104724890A - Interception tank for overland runoff in heavy metal contaminated area of mine - Google Patents
Interception tank for overland runoff in heavy metal contaminated area of mine Download PDFInfo
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- CN104724890A CN104724890A CN201510131624.1A CN201510131624A CN104724890A CN 104724890 A CN104724890 A CN 104724890A CN 201510131624 A CN201510131624 A CN 201510131624A CN 104724890 A CN104724890 A CN 104724890A
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Abstract
The invention provides an interception tank for overland runoff in a heavy metal contaminated area of a mine, and belongs to the field of environmental engineering. The interception tank comprises three stages of tank bodies which are separated by virtue of wire meshes, wherein the first stage of tank is filled with a biomass material, the second stage of tank is filed with a mineral material, and the third stage of tank is filled with chitin and microorganisms; the wall of the interception tank is made of coal ash water permeable bricks, a plurality of pores having a diameter of 3-5cm are formed in the front wall of the interception tank, and two pores having a diameter of 12-16cm are formed in the side wall of the interception tank; the bottom of the interception tank is made of impermeable bricks; about two fifths of the whole tank body is arranged underground, and a plurality of tank bodies are arranged in parallel to form a whole interception system. The single interception tank is small in size and convenient to move and assemble, is low in cost of filled adsorption materials and remarkable in adsorption effect, has the advantages of simple interception process, convenience in operation and low operation management difficulty, can be used for realizing three-stage interception of multiple heavy metals in overland runoff of the heavy metal contaminated area of a mine, and has a remarkable effect of reducing heavy metals.
Description
Technical field
The present invention relates to field of environment engineering, refer to the interception case being applicable to heavy metal pollution of mine district rainwash especially.
Background technology
Growing with each passing day of heavy metal burden causes the concern of countries in the world environment scholar with hazardness in recent decades, the hazardness outstanding behaviours of heavy metal to environment is: can not biological degradation, tend to enrichment in the body of living, cause various disease and disorder.Mining area Soil Surrounding is subject to the erosion of each heavy metal species throughout the year, and especially in the heavy rain time, serious soil erosion causes the further diffusion of pollutent, and this not only have impact on the water quality in periphery river, more causes harm to the safe drinking water of nearby residents.
At present, the treatment process of heavy metal ion-containing waste water mainly contains chemical precipitation, ion-exchange, membrane sepn and absorption method etc.Absorption method utilizes porous solid sorbent treatment heavy metal ion, the sorbent material of current use mainly contains gac, Natural organic sorbents, natural inorganic sorbents and synthetic adsorbent, wherein the equipment of regeneration of activated carbon is less, and regeneration expense is more expensive, limits widely using of gac; Natural organic sorbents comprises xylon, cornstalk, straw, wood chip, bark, peanut skin etc.; Natural inorganic sorbents comprises clay, perlite, vermiculite, heaving shales and natural zeolite etc.; Synthetic adsorbent comprises urethane, polypropylene and has the resin etc. of a large amount of mesh.
The structure of current pollutent intercepting system is used for processing trade effluent, is such as applied to plating dyeing; For interception Leachate and rainwash, mainly for be to the nitrogen phosphorus in draining farmland production district outside and organism excessive problem, and be applied to the very few of removal heavy metal aspect, and current intercepting system complexity, irremovable.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of packaged type interception case being applicable to heavy metal pollution of mine district rainwash, and this interception case is mainly through interception case and internal multi-stage packing material purifying treatment heavy metal pollution of mine district rainwash thereof.
This interception case comprises at the bottom of front tank wall, side tank wall, case and case lid, and interception case inside arranges the interception case first step, the interception case second stage and the interception case third stage; Tackling the case first step, tackling the volume ratio of the case second stage and the interception case third stage is 1:1:1; Separated by wire netting between the interception case first step and the interception case second stage, separated by wire netting between the interception case second stage and the interception case third stage.
Interception box body length is 45 ~ 55cm, and width is 30 ~ 40cm, is highly 45 ~ 55cm, casing part is embedded in underground, and wherein, the chest height of underground part is 15 ~ 25cm, the chest height of over-ground part is 20 ~ 40cm, and in using, multiple casing is placed side by side and formed whole intercepting system.
Front tank wall is the two sides, front and back of interception case, be made up of flyash water-permeable brick, thickness is 2 ~ 3cm, front tank wall is provided with the aperture that multiple aperture is 3 ~ 5cm, transverse distance between Kong Yukong is 8 ~ 10cm, fore-and-aft distance between Kong Yukong is 8 ~ 10cm, and the basis ensureing tank wall intensity strengthens the rainwash perviousness of tank wall.
Side tank wall is the two sides, left and right of interception case, and be made up of flyash water-permeable brick, thickness is 2 ~ 3cm, and side tank wall being provided with two apertures is the aperture of 12 ~ 16cm, and aperture forms a line, and the fore-and-aft distance between Kong Yukong is 1 ~ 4cm.The aperture herein tank wall arranged is conducive to rainwash and crosses between case and case circulation.
At the bottom of case and case lid be made up of antiseepage brick, thickness is 2 ~ 3cm, and antiseepage brick is concrete structure, and case lid is movably arranged on casing.
First step packing material is filled in the interception case first step, first step packing material is biological material coffee grounds and rice husk, the packing volume of coffee grounds and rice husk is than being 1:1 ~ 3:1, interception fills second stage packing material in the case second stage, second stage packing material is mineral material using natural clinoptilolite and clay, the packing volume of using natural clinoptilolite and clay is than being 1:1 ~ 2:1, third stage packing material is filled in the interception case third stage, third stage packing material is chitin and microorganism, and chitin is 1:1 ~ 1:4 with the packing volume ratio of microorganism; Described biological material coffee grounds and rice husk, mineral material using natural clinoptilolite and clay and chitin and microorganism are put into respectively after being wrapped up by gauze mesh bag and tackle the case first step, tackle the case second stage and tackle the case third stage.This can heavy metal in multiple-stage treatment rainwash, realize effective abatement of heavy metal, contribute to the dosage controlling packing material, the convenient packing material taking out saturated old material, more renew, the method is simple to operate, convenient simultaneously.
Wherein, the interception case first step, to the rainwash containing heavy metal, is first adsorbed with coffee grounds and rice husk.The main moiety of coffee grounds is Mierocrystalline cellulose, hemicellulose, xylogen, can in conjunction with the polar functional group of heavy metal ion containing hydroxyl, carboxyl, phenolic group, phosphate, amino etc.As the byproduct of paddy rice commerciality harvesting, the Mierocrystalline cellulose that rice husk is abundant and xylogen are conducive to absorbing heavy metal.Coffee grounds and rice husk heavy metal Cd, Cr, Pb have stronger adsorption effect, and coffee grounds and rice husk are industrial or agricultural abandoned biomass, wide material sources, cheap.As interception case first step packing material, there is the double dominant that heavy metal loading capacity is high, processing cost is low.
After the absorption of sorbing material heavy metal in the interception case first step, enter that heavy metal content in the rainwash of the interception case second stage is existing to decline, tackle in the case second stage and add using natural clinoptilolite and clay as packing material.Clinoptilolite is the one that in more than 40 kind of natural zeolite, reserves are the abundantest, and this mineral are cheap, easily obtain, and characterization of adsorption mainly comes from its ion-exchange capacity.The three-dimensional structure of zeolite makes it to have very large space, due to Al in tetrahedron
3+replace Si
4+and partial-band negative charge, Na, Ca, K and other positively charged tradable ion occupy the space in structure, and can be substituted by heavy metal.The adsorptive power of clay heavy metal is owing to the net negative charge structure properties of the silicate minerals of particulate, and this negative charge is neutralized due to the absorption of positively charged material, clay is possessed and has attracted and hold the ability of positively charged ion as heavy metal ion.The surface-area of clay is very large, is conducive to equally strengthening its adsorptive power.Natural zeolite is obvious to the assimilation effect of As, Pb, Hg, and the assimilation effect of clay to Pb, V is obvious.
The discarded mycelial mixture that produces is added in chitin and industrial fermentation processes as packing material in the interception case third stage.Chitin is not only cheap, and quantity is enriched, and the adsorptive power of heavy metal is also very strong, and chitin is compared with bark, active sludge, aminostyryl, and heavy metal has abnormal adsorptive power, especially obvious to the assimilation effect of Pb, As.The discarded mycelium produced in industrial fermentation processes, its abundance, inexpensive, high adsorption capacity and be convenient to reclaim heavy metal, the discarded adsorption effect of mycelium to Cd, Cr is obvious.
The beneficial effect of technique scheme of the present invention is as follows:
(1) classification of tackling case can play multistage consumption to various heavy in rainwash, and the packing material of unlike material can play effective reduction effect for the combined pollution of heavy metal;
(2) the flyash water-permeable brick that front tank wall is used and three grades of filling adsorption material costs low, and coffee grounds, rice husk, mycelia material all belong to refuse reclamation, reach the object of the treatment of wastes with processes of wastes against one another;
(3) tackling casing amasss little, is convenient to mobile, transport, setup and manage, greatly strengthen its range of application, and sorbing material change convenient, can at any time according to loading level and the filling proportion of pollution condition adjustment sorbing material;
(4) tackle case to be placed on ground next section is existing is beneficial to interception rainwash, be conducive to again the duration of contact extending rainwash and sorbing material, improve the reduction effect to various heavy.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention is applicable to the interception case of heavy metal pollution of mine district rainwash;
Fig. 2 is the front view that the present invention is applicable to the interception case of heavy metal pollution of mine district rainwash;
Fig. 3 is the left view that the present invention is applicable to the interception case of heavy metal pollution of mine district rainwash;
Fig. 4 is the sectional view that the present invention is applicable to the interception case of heavy metal pollution of mine district rainwash;
Fig. 5 is the intercepting system orthographic plan of multiple interception case composition.
Wherein: 1-tackles the case first step; 2-tackles the case second stage; 3-tackles the case third stage; 4-wire netting; 5-front tank wall; 6-side tank wall; At the bottom of 7-case; 8-first step packing material; 9-second stage packing material; 10-third stage packing material; 11-case lid.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The invention provides a kind of interception case being applicable to heavy metal pollution of mine district rainwash.
Be illustrated in figure 1 the structural representation of interception case, Fig. 2, Fig. 3 and Fig. 4 are the interception front view of case, left view and vertical view, this interception case by the bottom of front tank wall 5, side tank wall 6, case 7 and case lid 11 form, its inside arranges the interception case first step 1, the interception case second stage 2 and the interception case third stage 3, and tackling the case first step 1, tackling the volume ratio of the case second stage 2 and the interception case third stage 3 is 1:1:1; Separated by wire netting 4 between the interception case first step 1 and the interception case second stage 2, separated by wire netting 4 between the interception case second stage 2 and the interception case third stage 3.
In use, making length is 50cm, width is 35cm, it is highly the interception case of 50cm, lower box 20cm is embedded in underground, and the front tank wall 5 flyash water-permeable brick that thickness is 2cm is made, and front tank wall 5 evenly arranges the aperture that aperture is 4cm, transverse distance between Kong Yukong is 8cm, and fore-and-aft distance is 8cm; Make side tank wall 6 with the flyash water-permeable brick that thickness is 2cm, side tank wall 6 being arranged two apertures is the aperture of 13cm, and two apertures are vertically arranged, fore-and-aft distance is 2cm; At the bottom of case 7 and case lid 11 be 2cm by thickness antiseepage brick is made, antiseepage brick is concrete structure, and case lid 11 can take off rear installation as required.
Fill first step packing material 8 in the interception case first step 1, first step packing material 8 is biological material coffee grounds and rice husk, and the packing volume of coffee grounds and rice husk is than being 1:1; Interception fills second stage packing material 9 in the case second stage 2, and second stage packing material 9 is mineral material using natural clinoptilolite and clay, and the packing volume of using natural clinoptilolite and clay is than being 1:1; Fill third stage packing material 10 in the interception case third stage 3, third stage packing material 10 is chitin and microorganism, and chitin is 1:1 with the packing volume ratio of microorganism; Described biological material coffee grounds and rice husk, mineral material using natural clinoptilolite and clay and chitin and microorganism are put into respectively after being wrapped up by gauze mesh bag and tackle the case first step 1, tackle the case second stage 2 and tackle the case third stage 3.Wherein microorganism is the discarded mycelium produced in industrial fermentation processes.
As shown in Figure 5, in actual use, adopt the effect schematic diagram that multiple interception case combinationally uses.This interception case both simplify processes technique and operation stepss, can reduce material cost again, enhance the handiness for Pollution abatement.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. one kind is applicable to the interception case of heavy metal pollution of mine district rainwash, comprise (7) and case lid (11) at the bottom of front tank wall (5), side tank wall (6), case, it is characterized in that: also comprise the interception case first step (1), the interception case second stage (2) and the interception case third stage (3); Tackling the case first step (1), tackling the volume ratio of the case second stage (2) and the interception case third stage (3) is 1:1:1, separated by wire netting (4) between the interception case first step (1) and the interception case second stage (2), separated by wire netting (4) between the interception case second stage (2) and the interception case third stage (3).
2. a kind of interception case being applicable to heavy metal pollution of mine district rainwash according to claim 1, it is characterized in that: described interception box body length is 45 ~ 55cm, width is 30 ~ 40cm, be highly 45 ~ 55cm, casing part is embedded in underground, wherein, the chest height of underground part is 15 ~ 25cm, and the chest height of over-ground part is 20 ~ 40cm.
3. a kind of interception case being applicable to heavy metal pollution of mine district rainwash according to claim 1, it is characterized in that: described front tank wall (5) is the two sides, front and back of interception case, be made up of flyash water-permeable brick, thickness is 2 ~ 3cm, front tank wall (5) is provided with the aperture that multiple aperture is 3 ~ 5cm, transverse distance between Kong Yukong is the fore-and-aft distance between 8 ~ 10cm, Kong Yukong is 8 ~ 10cm.
4. a kind of interception case being applicable to heavy metal pollution of mine district rainwash according to claim 1, it is characterized in that: described side tank wall (6) is the two sides, left and right of interception case, be made up of flyash water-permeable brick, thickness is 2 ~ 3cm, side tank wall (6) being provided with two apertures is the aperture of 12 ~ 16cm, aperture forms a line, and the fore-and-aft distance between Kong Yukong is 1 ~ 4cm.
5. a kind of interception case being applicable to heavy metal pollution of mine district rainwash according to claim 1, it is characterized in that: (7) at the bottom of described case and case lid (11) are made up of antiseepage brick, thickness is 2 ~ 3cm, antiseepage brick is concrete structure, and case lid (11) is movably arranged on casing.
6. a kind of interception case being applicable to heavy metal pollution of mine district rainwash according to claim 1, it is characterized in that: in the described interception case first step (1), fill first step packing material (8), first step packing material (8) is biological material coffee grounds and rice husk, and the packing volume of coffee grounds and rice husk is than being 1:1 ~ 3:1; Fill second stage packing material (9) in the interception case second stage (2), second stage packing material (9) is mineral material using natural clinoptilolite and clay, and the packing volume of using natural clinoptilolite and clay is than being 1:1 ~ 2:1; Fill third stage packing material (10) in the interception case third stage (3), third stage packing material (10) is chitin and microorganism, and chitin is 1:1 ~ 1:4 with the packing volume ratio of microorganism; Described biological material coffee grounds and rice husk, mineral material using natural clinoptilolite and clay and chitin and microorganism are put into respectively after being wrapped up by gauze mesh bag and tackle the case first step (1), tackle the case second stage (2) and tackle the case third stage (3).
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| CN201510131624.1A CN104724890B (en) | 2015-03-24 | 2015-03-24 | A kind of interception case being applicable to heavy metal pollution of mine district rainwash |
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| CN201510131624.1A CN104724890B (en) | 2015-03-24 | 2015-03-24 | A kind of interception case being applicable to heavy metal pollution of mine district rainwash |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105315998A (en) * | 2015-10-14 | 2016-02-10 | 济南益邦生物科技有限公司 | Passivating agent for reducing activity of Pb and Cr in alkaline soil and application thereof |
| CN107758757A (en) * | 2016-08-19 | 2018-03-06 | 中国地质大学（北京） | For the preparation technology for the reaction grid for handling rainwash and phreatic water |
| CN107758758A (en) * | 2016-08-19 | 2018-03-06 | 中国地质大学（北京） | A kind of new permeable reactive barrier |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0724442A (en) * | 1993-07-16 | 1995-01-27 | Naoyuki Hashimoto | Rubbish removing method and water purifying method for rivers |
| JP2000343092A (en) * | 1999-06-02 | 2000-12-12 | Shigehisa Ishihara | Method and device for purifying water |
| CN2714557Y (en) * | 2004-05-18 | 2005-08-03 | 中国科学院南京土壤研究所 | Ecological interception channel for farmland |
| JP2006015256A (en) * | 2004-07-01 | 2006-01-19 | Masashi Yoshioka | Water clarification method utilizing charcoal particle |
| JP2006150331A (en) * | 2004-12-01 | 2006-06-15 | Hirata Kogyosho:Kk | Porous concrete box for biological river water purification |
| CN102094407A (en) * | 2010-12-31 | 2011-06-15 | 中国科学院南京土壤研究所 | Farmland runoff pollution ecological intercepting ditch |
| CN103435165A (en) * | 2013-09-18 | 2013-12-11 | 浙江省农业科学院 | Method for blocking and absorbing nitrogen and phosphorus flowing away from paddy field by utilizing water discharging channel |
-
2015
- 2015-03-24 CN CN201510131624.1A patent/CN104724890B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0724442A (en) * | 1993-07-16 | 1995-01-27 | Naoyuki Hashimoto | Rubbish removing method and water purifying method for rivers |
| JP2000343092A (en) * | 1999-06-02 | 2000-12-12 | Shigehisa Ishihara | Method and device for purifying water |
| CN2714557Y (en) * | 2004-05-18 | 2005-08-03 | 中国科学院南京土壤研究所 | Ecological interception channel for farmland |
| JP2006015256A (en) * | 2004-07-01 | 2006-01-19 | Masashi Yoshioka | Water clarification method utilizing charcoal particle |
| JP2006150331A (en) * | 2004-12-01 | 2006-06-15 | Hirata Kogyosho:Kk | Porous concrete box for biological river water purification |
| CN102094407A (en) * | 2010-12-31 | 2011-06-15 | 中国科学院南京土壤研究所 | Farmland runoff pollution ecological intercepting ditch |
| CN103435165A (en) * | 2013-09-18 | 2013-12-11 | 浙江省农业科学院 | Method for blocking and absorbing nitrogen and phosphorus flowing away from paddy field by utilizing water discharging channel |
Non-Patent Citations (1)
| Title |
|---|
| 杨林章等: "用于农田非点源污染控制的生态拦截型沟渠系统及其效果", 《生态学杂志》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105315998A (en) * | 2015-10-14 | 2016-02-10 | 济南益邦生物科技有限公司 | Passivating agent for reducing activity of Pb and Cr in alkaline soil and application thereof |
| CN105315998B (en) * | 2015-10-14 | 2018-09-04 | 济南益邦生物科技有限公司 | Reduce the active passivator of basic soil Pb, Cr and its application |
| CN107758757A (en) * | 2016-08-19 | 2018-03-06 | 中国地质大学（北京） | For the preparation technology for the reaction grid for handling rainwash and phreatic water |
| CN107758758A (en) * | 2016-08-19 | 2018-03-06 | 中国地质大学（北京） | A kind of new permeable reactive barrier |
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| CN104724890B (en) | 2016-08-17 |
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