CN104724890B - A kind of interception case being applicable to heavy metal pollution of mine district rainwash - Google Patents
A kind of interception case being applicable to heavy metal pollution of mine district rainwash Download PDFInfo
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- CN104724890B CN104724890B CN201510131624.1A CN201510131624A CN104724890B CN 104724890 B CN104724890 B CN 104724890B CN 201510131624 A CN201510131624 A CN 201510131624A CN 104724890 B CN104724890 B CN 104724890B
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Abstract
The present invention provides a kind of interception case being applicable to heavy metal pollution of mine district rainwash, belongs to field of environment engineering.This interception case includes three grades of casings, separates with wire gauze between every grade, fills biological material, filling mineral material in the case of the second level, fill chitin and microorganism in third level case in first order case.The tank wall material intercepting case is flyash water-permeable brick, and front tank wall is provided with the aperture that multiple aperture is 3～5cm, and side tank wall is provided with the aperture that 2 apertures are 12～16cm, and bottom is made up of antiseepage brick.About the 2/5 of whole casing is placed on below ground, and the whole intercepting system of formation placed side by side by multiple casings.The single interception casing of the present invention amass little, be easy to mobile and install, adsorbing material low cost, the adsorption effect filled are notable, intercept technique be simple and convenient to operate, operational management difficulty low, it is possible to realize three grades of interception of various heavy in heavy metal pollution of mine district rainwash, heavy metal cut down effect notable.
Description
Technical field
The present invention relates to field of environment engineering, particularly relate to be applicable to heavy metal pollution of mine district rainwash
Intercept case.
Background technology
In recent decades heavy metal burden grow with each passing day and hazardness cause countries in the world environmentology
The concern of person, the hazardness outstanding behaviours of environment is by heavy metal: can not biodegradation, it is intended to live
Body is enriched with, causes various disease and disorder.Mining area Soil Surrounding is throughout the year by each heavy metal species
Corroding, especially in the heavy rain time, serious soil erosion causes the further diffusion of pollutant, and this is not only
Have impact on the water quality in periphery river, more the safe drinking water of nearby residents is caused harm.
At present, the processing method of heavy metal ion-containing waste water mainly has chemical precipitation, ion exchange, membrance separation
And absorption method etc..Absorption method is to utilize porous solid sorbent treatment heavy metal ion, currently used
The main active charcoal of adsorbent, Natural organic sorbents, natural inorganic sorbents and synthetic adsorbent, wherein
The equipment of regenerating active carbon is less, and regeneration expense is more expensive, limits being widely used of activated carbon；Natural have
Machine adsorbent includes the wood fiber, corn stalk, Caulis et Folium Oryzae, wood flour, bark, peanut skin etc.；Natural inorganic adsorbs
Agent includes clay, perlite, Vermiculitum, bloating shale and natural zeolite etc.；Synthetic adsorbent include polyurethane,
Polypropylene and the resin etc. having a large amount of mesh.
The structure of pollutant intercepting system is used for processing industrial wastewater at present, is such as applied to plating printing and dyeing row
Industry；For intercepting Leachate and rainwash, it is primarily directed in draining outside farmland production district
Nitrogen phosphorus and Organic substance excessive problem, and it is applied to the fewest and current intercepting system in terms of removing heavy metals
Complicated, irremovable.
Summary of the invention
The technical problem to be solved in the present invention is to provide one and is applicable to heavy metal pollution of mine district rainwash
Packaged type intercept case, this interception case is mainly by intercepting case and internal multi-stage packing material purified treatment thereof
Heavy metal pollution of mine district rainwash.
This interception case includes front tank wall, side tank wall, bottom and case lid, intercepts and arranges interception case inside case
The first order, the interception case second level and the interception case third level；Intercept the case first order, intercept the case second level and interception
The volume ratio of the case third level is 1:1:1；Intercept the case first order and intercept between the case second level by wire gauze every
Open, intercept and separated by wire gauze between the case second level and the interception case third level.
Intercepting box body a length of 45～55cm, width is 30～40cm, and height is 45～55cm, chest portion
Dividing and be embedded in underground, wherein, the chest height of under ground portion is 15～25cm, and the chest height of aerial parts is
20～40cm, in using, the whole intercepting system of formation placed side by side by multiple casings.
Front tank wall is two sides before and after interception case, is made up of flyash water-permeable brick, and thickness is 2～3cm, just
Being provided with the aperture that multiple aperture is 3～5cm on the tank wall of face, the lateral separation between Kong Yukong is 8～10cm,
Fore-and-aft distance between Kong Yukong is 8～10cm, strengthens the earth's surface of tank wall on the basis of ensureing tank wall intensity
Runoff permeability.
Side tank wall is the two sides, left and right intercepting case, is made up of flyash water-permeable brick, and thickness is 2～3cm, side
Being provided with the aperture that two apertures are 12～16cm on the tank wall of face, aperture forms a line, between Kong Yukong
Fore-and-aft distance is 1～4cm.The aperture beneficially rainwash herein arranged on tank wall crosses between case and case
Circulation.
Bottom and case lid are made up of antiseepage brick, and thickness is 2～3cm, and antiseepage brick is xoncrete structure, and case lid is lived
Move and be arranged on casing.
Intercepting and fill first order packing material in the case first order, first order packing material is biological material coffee
The packing volume of slag and rice husk, coffee grounds and rice husk ratio for 1:1～3:1, intercepts and fills second in the case second level
Level packing material, second level packing material is mineral material natural clinoptilolite and clay, natural clinoptilolite
With the packing volume of clay ratio for 1:1～2:1, intercept and the case third level is filled third level packing material, the 3rd
Level packing material is chitin and microorganism, and the packing volume of chitin and microorganism ratio is for 1:1～1:4；Institute
State biological material coffee grounds and rice husk, mineral material natural clinoptilolite and clay and chitin and microorganism
It is respectively put into the interception case first order after being wrapped up by gauze mesh bag, intercepts the case second level and intercept the case third level
In.This can concurrently facilitate with heavy metal in multistep treatment rainwash, effective abatement of realizing heavy metal
Control the dosage of packing material, the convenient packing material taking out the most saturated old material, more renewing, the method
Simple to operate, convenient.
Wherein, the interception case first order, to the rainwash containing heavy metal, is first inhaled with coffee grounds and rice husk
Attached.The composition that mainly comprises of coffee grounds is cellulose, hemicellulose, lignin, containing hydroxyl, carboxyl,
Phenolic group, phosphate, amino etc. can be in conjunction with the polar functional groups of heavy metal ion.Receive as Oryza sativa L. commerciality
The side-product cut, cellulose and lignin that rice husk is abundant are conducive to absorbing heavy metal.Coffee grounds and rice husk pair
Heavy metal Cd, Cr, Pb have stronger adsorption effect, and coffee grounds and rice husk are the discarded life of industrial or agricultural
Material, wide material sources, cheap.As intercepting case first order packing material, there is heavy metal absorption appearance
The double dominant that amount is high, processing cost is low.
Through intercepting in the case first order after the absorption of adsorbing material heavy metal, enter the ground intercepting the case second level
In table runoff, content of beary metal is existing is declined, and intercepts and adds natural clinoptilolite and clay work in the case second level
For packing material.Clinoptilolite is the one that in more than 40 kind of natural zeolite, reserves are the abundantest, and this mineral are honest and clean
Valency, easily obtaining, characterization of adsorption is mostly derived from its ion-exchange capacity.The three dimensional structure of zeolite is allowed to be had very
Big space, due to Al in tetrahedron3+Replace Si4+And local is electronegative, Na, Ca, K and other band
The tradable ion of positive charge occupies the space in structure, and can be substituted by heavy metal.Clay is to a huge sum of money
The absorbability belonged to owing to the net negative charge structural behaviour of the silicate mineral of particulate, this negative charge due to
The absorption of positively charged material and be neutralized so that clay has possessed attraction and has accommodated cation such as heavy metal
The ability of ion.The surface area of clay is very big, is equally beneficial for strengthening its absorbability.Natural zeolite pair
The assimilation effect of As, Pb, Hg is obvious, and clay is obvious to the assimilation effect of Pb, V.
In intercepting the case third level, add the discarded mycelial of generation in chitin and industrial fermentation processes mix
Compound is as packing material.Chitin is not only cheap, and quantity is enriched, and the absorbability of heavy metal is the strongest,
Chitin is compared with bark, activated sludge, aminostyryl, and heavy metal has abnormal absorbability, especially
It is obvious to the assimilation effect of Pb, As.The discarded mycelium produced in industrial fermentation processes, its source is rich
Rich, inexpensive, high adsorption capacity and be easy to reclaim heavy metal, the discarded mycelium adsorption effect to Cd, Cr
Substantially.
Having the beneficial effect that of the technique scheme of the present invention:
(1) various heavy in rainwash can be played multistage consumption, no by the classification intercepting case
Effective reduction effect can be played for the combined pollution of heavy metal with the packing material of material；
(2) the flyash water-permeable brick used by the tank wall of front and three grades of filling adsorption material low costs, and coffee
Slag, rice husk, mycelia material belong to refuse reclamation, have reached the purpose of the treatment of wastes with processes of wastes against one another；
(3) intercept casing and amass little, it is simple to move, transport, install and manage, greatly strengthen its application
Scope, and adsorbing material change convenient, can at any time according to pollution condition adjust adsorbing material loading and
Filling proportion；
(4) interception case is placed on ground next part and not only improves interception rainwash, is conducive to the most again
Table runoff and the time of contact of adsorbing material, improve the reduction effect to various heavy.
Accompanying drawing explanation
Fig. 1 is the structural representation intercepting case that the present invention is applicable to heavy metal pollution of mine district rainwash；
Fig. 2 is the front view intercepting case that the present invention is applicable to heavy metal pollution of mine district rainwash；
Fig. 3 is the left view intercepting case that the present invention is applicable to heavy metal pollution of mine district rainwash；
Fig. 4 is the sectional view intercepting case that the present invention is applicable to heavy metal pollution of mine district rainwash；
Fig. 5 is the intercepting system plane graph of multiple interception case composition.
Wherein: 1-intercepts the case first order；2-intercepts the case second level；3-intercepts the case third level；4-wire gauze；
5-front tank wall；6-side tank wall；7-bottom；8-first order packing material；9-second level packing material；
10-third level packing material；11-case lid.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
The present invention provides a kind of interception case being applicable to heavy metal pollution of mine district rainwash.
Be illustrated in figure 1 intercept case structural representation, Fig. 2, Fig. 3 and Fig. 4 be intercept case front view,
Left view and top view, this interception case is made up of front tank wall 5, side tank wall 6, bottom 7 and case lid 11,
The interception case first order 1 is set inside it, intercepts the case second level 2 and intercept the case third level 3, intercept case first
Level 1, the interception case second level 2 and the volume ratio intercepting the case third level 3 are 1:1:1；Intercept the case first order 1
And separated by wire gauze 4 between the interception case second level 2, intercept the case second level 2 and intercept the case third level 3
Between separated by wire gauze 4.
In use, making a length of 50cm, width is 35cm, and height is 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,
Being uniformly arranged the aperture that aperture is 4cm on front tank wall 5, the lateral separation between Kong Yukong is 8cm,
Fore-and-aft distance is 8cm；Side tank wall 6, side tank wall 6 is made with the flyash water-permeable brick that thickness is 2cm
On to arrange two apertures be the aperture of 13cm, two apertures are vertically arranged, fore-and-aft distance is 2cm；Bottom
7 and case lid 11 be made up of the antiseepage brick that thickness is 2cm, antiseepage brick is xoncrete structure, and case lid 11 can
Install after taking off as required.
Intercepting and fill first order packing material 8 in the case first order 1, first order packing material 8 is biomass material
The packing volume of material coffee grounds and rice husk, coffee grounds and rice husk ratio is for 1:1；Intercept in the case second level 2 and fill
Second level packing material 9, second level packing material 9 is mineral material natural clinoptilolite and clay, natural
The packing volume of clinoptilolite and clay is than for 1:1；Intercept and the case third level 3 is filled third level packing material
10, third level packing material 10 is chitin and microorganism, and chitin with the packing volume ratio of microorganism is
1:1；Described biological material coffee grounds and rice husk, mineral material natural clinoptilolite and clay and chitin
It is respectively put into the interception case first order 1 after being wrapped up by gauze mesh bag with microorganism, intercepts the case second level 2 and block
Cut in the case third level 3.The discarded mycelium produced during wherein microorganism is industrial fermentation processes.
As it is shown in figure 5, be in actual use, use the effect signal that multiple interception case is applied in combination
Figure.This interception case had both simplified process technique and operating procedure, can reduce again material cost, enhance for dirt
The motility that dye is administered.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (1)
1. be applicable to an interception case for heavy metal pollution of mine district rainwash, including front tank wall (5),
Side tank wall (6), bottom (7) and case lid (11), it is characterised in that: also include intercept the case first order (1),
Intercept the case second level (2) and intercept the case third level (3)；Intercept the case first order (1), intercept the case second level
(2) and to intercept the volume ratio of the case third level (3) be 1:1:1, the case first order (1) and interception case the are intercepted
Separated by wire gauze (4) between two grades (2), intercept the case second level (2) and intercept the case third level (3)
Between separated by wire gauze (4)；
Wherein, described interception box body a length of 45～55cm, width is 30～40cm, and height is
45～55cm, box portion is embedded in underground, and wherein, the chest height of under ground portion is 15～25cm, on the ground
The chest height of part is 20～40cm；
Described front tank wall (5) is two sides before and after interception case, is made up of flyash water-permeable brick, and thickness is
2～3cm, front tank wall (5) is provided with the aperture that multiple aperture is 3～5cm, the horizontal stroke between Kong Yukong
Being 8～10cm to distance, the fore-and-aft distance between Kong Yukong is 8～10cm；
Described side tank wall (6) is the two sides, left and right intercepting case, is made up of flyash water-permeable brick, and thickness is
2～3cm, side tank wall (6) is provided with the aperture that two apertures are 12～16cm, aperture forms a line,
Fore-and-aft distance between Kong Yukong is 1～4cm；
Described bottom (7) and case lid (11) are made up of antiseepage brick, and thickness is 2～3cm, and antiseepage brick is mixed
Xtah Crude Clay structure, case lid (11) is movably arranged on casing；
The described interception case first order (1) is filled first order packing material (8), first order packing material (8)
For the packing volume of biological material coffee grounds and rice husk, coffee grounds and rice husk than for 1:1～3:1；Intercept case
Filling second level packing material (9) in the second level (2), second level packing material (9) is mineral material sky
So the packing volume of clinoptilolite and clay, natural clinoptilolite and clay ratio is for 1:1～2:1；Intercept case the
Filling third level packing material (10) in three grades (3), third level packing material (10) is that chitin is with micro-
Biology, the packing volume of chitin and microorganism is than for 1:1～1:4；Described biological material coffee grounds and rice
Shell, mineral material natural clinoptilolite and clay and chitin pass through difference after gauze mesh bag wraps up with microorganism
Put into the interception case first order (1), intercept the case second level (2) and intercept in the case third level (3).
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN104724890B true CN104724890B (en) | 2016-08-17 |
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| 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 |
| CN107758758A (en) * | 2016-08-19 | 2018-03-06 | 中国地质大学（北京） | A kind of new permeable reactive barrier |
| 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 |
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| JP2514580B2 (en) * | 1993-07-16 | 1996-07-10 | 尚幸 橋本 | River dust removal and water purification methods |
| 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 |
| JP4526312B2 (en) * | 2004-07-01 | 2010-08-18 | 株式会社まさなみ鉄工 | Water purification method using charcoal grains |
| 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 |
| CN103435165B (en) * | 2013-09-18 | 2015-03-04 | 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 |
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