CN105457995B - A kind of soil elution device - Google Patents
A kind of soil elution device Download PDFInfo
- Publication number
- CN105457995B CN105457995B CN201510967143.4A CN201510967143A CN105457995B CN 105457995 B CN105457995 B CN 105457995B CN 201510967143 A CN201510967143 A CN 201510967143A CN 105457995 B CN105457995 B CN 105457995B
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- China
- Prior art keywords
- soil
- filter
- elution device
- soil elution
- stirring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
Abstract
The present invention discloses a kind of soil elution device.The soil elution device includes the mixing component, conveying assembly and filter assemblies set gradually, the filter assemblies include mixture collecting bin, filter mechanism and the filter set gradually from top to bottom, the filter mechanism carries the top that the mixture collecting bin is set to the filter, and the filter mechanism includes the process layer that multi-laminate is set.The present invention discloses a kind of soil elution device that elution processing can be carried out to the soil containing each pollutant, the soil elution device will fully be dissolved by mixing component after contaminated soil and water stirring, Heavy Metals in Contaminated Soils and organic matter is set to be separated from soil, and it is soluble in water, it is filtered again by filter assemblies and chemisorption, the treatment process that Physical and chemical method are combined is formed, to achieve the purpose that purification soil.
Description
Technical field
The present invention relates to pollutants to repair field more particularly to a kind of soil elution device.
Background technology
With the fast development of industry, soil pollution getting worse, it has also become a global environmental problem.Soil is dirty
Dye derives from a wealth of sources, including the disposal of pollutants of the industry such as mining, metallurgy, chemical industry, pharmacy, food and the application of pesticide and chemical fertilizer
Deng, soil pollution, especially heavy metal and organic pollution have the characteristics that concealment, chronicity and irreversibility, directly or
Indirect polluted underground water, air harm the crops and biological, or even jeopardize the health and lives of the mankind.Therefore, by heavy metal
It is repaired with the soil of organic matter, makes the original function of soil restoration, become an emphasis research topic both domestic and external.
In the related technology, soil remediation mainly uses physics, chemistry and biological renovation method, passes through in-situ immobilization or dystopy
The method of reparation repairs contaminated soil.Wherein, peripheral doses are one of the recovery technique developed at first, including soil removal and replacement
Method, thermal desorption and electro reclamation etc., the soil remediation that peripheral doses are high for pollution concentration, area is small is with obvious effects, adaptability
Extensively, but it is easily destroyed soil texture, quantities is big, energy consumption is big, costly, while having limitation to the improvement of many pollutants
Property；Biological prosthetic is that the heavy metal in soil is enriched with or is extracted, is led to using the activity of the vital metabolic of microorganism or plant
It crosses biological effect and changes the chemical form of heavy metal or organic matter in the soil, so that heavy metal is fixed or is detoxified, reduce it in ring
Migration in border and bioavailability, bioremediation technology common at this stage include phytoremediation and microorganism remediation,
The disadvantage is that repairing efficiency is long, it is vulnerable to the limitations such as weather, geological conditions and soil types, and biological prosthetic is typically only capable to needle
To specific one or two kinds of heavy metals and organic matter, and restraining oneself other heavy metals or organic matter can force difference；Chemical remediation is
By the way that curing agent, organic matter and chemical agent etc. are added into soil, chelated by absorption, redox, antagonism, complexing or heavy
Shallow lake acts on, and to reduce the biological effectiveness of heavy metal, common chemical repair method includes mainly solidification, stabilisation and chemical oxygen
Change reduction, wherein solidification, stabilisation and chemistry redox technology repair time are short, easy to operate, but soil texture can be destroyed, and
And need to use a large amount of chemical agent, equipment manufacturing cost is expensive, is only applicable to seriously polluted but smaller area soil remediation.Cause
This, there are many shortcomings in physics, chemistry and biological prosthetic method in the related technology.
It solves the above problems therefore, it is necessary to provide a kind of new soil remediation technique.
Invention content
The soil containing each pollutant can be carried out to elute processing the technical problem to be solved by the present invention is to provide a kind of
Soil elution device, the soil elution device will fully be dissolved by mixing component after contaminated soil and water stirring, make pollution
Heavy metal in soil and organic matter are separated from soil, and soluble in water, then are filtered by filter assemblies and chemistry
Absorption forms the treatment process that Physical and chemical method are combined, to achieve the purpose that purification soil.
In order to solve the above technical problems, the present invention provides a kind of soil elution device, the soil elution device include according to
Mixing component, conveying assembly and the filter assemblies of secondary setting, the filter assemblies include the mixture set gradually from top to bottom
Collecting bin, filter mechanism and filter, the filter mechanism carry the top that the mixture collecting bin is set to the filter,
The filter mechanism includes the process layer that multi-laminate is set.
Preferably, the process layer includes close to the fracture filtration layer of the mixture collecting bin, close to the filter
The adsorption layer of side and the permeable formation being located between the fracture filtration layer and the adsorption layer.
Preferably, institute's fracture filtration layer is made of porous ceramics or netted filter material fiber.
Preferably, the adsorption layer is chemisorbed material layer.
Preferably, the adsorption layer includes chemical agent, and the component of the chemical agent includes hydrochloric acid, detergent alkylate sulphur
Sour sodium and cyclodextrin.
Preferably, the component and percentage by volume of the chemical agent are：The hydrochloric acid 50%-60% of 0.5mol/L,
The cyclodextrin 10%-30% of the neopelex 20%-30%, 0.2mol/L of 0.5mol/L.
Preferably, the mixing component include stir cylinder, be opened in it is described stirring cylinder at the top of stirring feed inlet and
It is opened in the stirring discharge port of the stirring cylinder body bottom.
Preferably, the conveying assembly includes screw conveyor, cesspool, aqueduct and drainpipe, the helical feed
Machine includes feed end, delivery end and the sewage overflows mouth between the feed end and the delivery end, the aqueduct
One end connects the sewage overflows mouth, and the other end is connected to the cesspool, and one end of the drainpipe is connected to the cesspool,
The other end is connected to the stirring feed inlet.
Preferably, the conveying assembly further includes return duct, and one end of the return duct is connected to the cesspool, another
End is connected to the feed end.
Compared to the prior art, soil elution device provided by the invention can wash the soil containing each pollutant
De- processing, the soil elution device will fully be dissolved after contaminated soil and water stirring by mixing component, made in contaminated soil
Heavy metal and organic matter are separated from soil, and soluble in water, then are filtered by filter assemblies and chemisorption, shape
At the treatment process that Physical and chemical method are combined, to achieve the purpose that purification soil.
Description of the drawings
Fig. 1 is the structural schematic diagram of soil elution device of the present invention；
Fig. 2 is the structural schematic diagram of filter mechanism in soil elution device shown in Fig. 1.
Specific implementation mode
Below in conjunction with drawings and embodiments, the invention will be further described.
Referring to Fig. 1, for the structural schematic diagram of soil elution device of the present invention.The soil elution device includes connecting successively
Mixing component 11, conveying assembly 12 and the filter assemblies 13 connect.
The mixing component 11 includes stirring cylinder 111, is opened in the stirring feed inlet at 111 top of stirring cylinder
112 and it is opened in the stirring discharge port 113 of stirring cylinder 111 bottom.Soil stirring dress is equipped in the stirring cylinder 111
It sets (not shown), contaminated soil and water and enters stirring in the stirring cylinder 111 through the stirring feed inlet 112, ensure pollution
Soil can be sufficiently mixed with water, become the mixture of soil and water, so that heavy metal and organic matter is separated from soil, fully
It is dissolved in the water, improves the efficiency of processing contaminated soil.
It is transported to the conveying assembly 12 by the mixture of the mixing component 11.The conveying assembly 12 includes
Screw conveyor 121, cesspool 122, aqueduct 123, drainpipe 124 and return duct 125.
The screw conveyor 121 includes feed end 1211, sewage overflows mouth (not shown), delivery end 1212, control dress
Set 1213 and helix swiveling plate 1214.The feed end 1211 that the mixture is opened up by 121 one end of the screw conveyor into
Enter, rotates and convey through the helix swiveling plate 1214,1212 row of the delivery end opened up from 121 other end of the screw conveyor
It releases.The mixture is by there is a sewage overflows when the intermediate sewage overflows mouth being equipped with, under the sewage overflows mouth
Side is equipped with the cesspool 122, and the cesspool 122 is used to load the sewage of the spilling from the sewage overflows mouth.It is described to lead
123 one end of water pipe connects the sewage overflows mouth, and the other end is connected to the cesspool 122, and the sewage is imported the sewage
Pond 122.One end of the drainpipe 124 is connected to the cesspool 122, and the other end is connected to the stirring feed inlet 112, will
Sewage transport in the cesspool 122 is to the stirring feed inlet 112.One end of the return duct 125 and the cesspool
122 connections, the other end are connected to the feed end 1211, and the return duct 125 leads the sewage in the cesspool 122
Enter the feed end 1211, then by the sewage transport to the screw conveyor 121.The screw conveyor 121 and ground
It is placed in the angle less than 45 °, controlling the rotation of the helix swiveling plate 1214 by the control device 1213 conveys the mixture,
And the mixture is discharged through the delivery end 1212.
The mixture being discharged by the delivery end 1212 is disposed to the filter assemblies 13.The filter assemblies
13 include mixture collecting bin 131, filter mechanism 132 and the filter 133 set gradually from top to bottom, the filter mechanism
The 132 carrying mixture collecting bins 131 are set to the top of the filter 133.The mixture collecting bin 131 is loaded from institute
The mixture of the discharge of delivery end 1212 is stated, the mixture is filtered by the filter mechanism 132, and solid is with liquid through institute
The separation of filter mechanism 132 is stated, liquid flows into the filter 133.
Fig. 2 is please referred to again, is the structural schematic diagram of filter mechanism in soil elution device shown in Fig. 1.The filtering
Mechanism 132 includes fracture filtration layer 1321, permeable formation 1322 and adsorption layer 1323.The fracture filtration layer 1321 is close to described mixed
It closes object collecting bin 131 to be arranged, the adsorption layer 1323 is arranged close to the side of the filter 133, and the permeable formation 1322 presss from both sides
Between the fracture filtration layer 1321 and the adsorption layer 1323.
The fracture filtration layer 1321 is made of porous ceramics or netted filter material fiber.The fracture filtration layer 1321 is first
Process layer is walked, the big substance of the particle in the mixture is subjected to row's sieve, the mud in the mixture after row sieves
Flow into the permeable formation 1322, the permeable formation 1322 is the contaminant filter in the mud, the then liquid in the mud
The adsorption layer 1323 is entered, the liquid is carried out chemical cleaning method, the purified liquid by the adsorption layer 1323 again
Flow into the filter 133.The purpose of chemical cleaning method is to reduce the discharge capacity of pollutant, advantageously reduces and handle the drainage
The difficulty of liquid in pond 133.
The adsorption layer 1323 includes chemical agent, and the component of the chemical agent includes hydrochloric acid, dodecyl benzene sulfonic acid
Sodium and cyclodextrin.Preferably, the component and percentage by volume of the chemical agent are：The hydrochloric acid 50%-60% of 0.5mol/L,
The cyclodextrin 10%-30% of the neopelex 20%-30%, 0.2mol/L of 0.5mol/L.The adsorption layer 1323
Can effectively purify heavy metal Hg (Hg), cadmium (Cd), lead (Pb), the chromium (Cr) etc. in the mixture, reduce heavy metal and
The discharge of organic matter.
Compared to the prior art, soil elution device provided by the invention can wash the soil containing each pollutant
De- processing, the soil elution device will fully be dissolved after contaminated soil and water stirring by mixing component, made in contaminated soil
Heavy metal and organic matter are separated from soil, and soluble in water, then are filtered by filter assemblies and chemisorption, shape
At the treatment process that Physical and chemical method are combined, to achieve the purpose that purification soil.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (6)
1. a kind of soil elution device, which is characterized in that the soil elution device includes the mixing component set gradually, conveying
Component and filter assemblies, the filter assemblies include mixture collecting bin, filter mechanism and the drainage set gradually from top to bottom
Pond, the filter mechanism carry the top that the mixture collecting bin is set to the filter, and the filter mechanism includes multilayer
The folded process layer set, the process layer include close to the fracture filtration layer of the mixture collecting bin, close to the filter one
The adsorption layer of side and the permeable formation being located between the fracture filtration layer and the adsorption layer, the adsorption layer include chemistry
Medicament, the component and percentage by volume of the chemical agent are：The 12 of the hydrochloric acid 50%-60%, 0.5mol/L of 0.5mol/L
The cyclodextrin 10%-30% of sodium alkyl benzene sulfonate 20%-30%, 0.2mol/L.
2. soil elution device according to claim 1, which is characterized in that the fracture filtration layer is by porous ceramics or net
Shape filter material fiber is made.
3. soil elution device according to claim 1, which is characterized in that the adsorption layer is chemisorbed material layer.
4. soil elution device according to claim 1, which is characterized in that the mixing component includes stirring cylinder, opens
Set on the stirring feed inlet stirred at the top of cylinder and it is opened in the stirring discharge port for stirring cylinder body bottom.
5. soil elution device according to claim 4, which is characterized in that the conveying assembly include screw conveyor,
Cesspool, aqueduct and drainpipe, the screw conveyor include feed end, delivery end and set on the feed end and described unload
Expect that the sewage overflows mouth between end, one end of the aqueduct connect the sewage overflows mouth, the other end is connected to the cesspool,
One end of the drainpipe is connected to the cesspool, and the other end is connected to the stirring feed inlet.
6. soil elution device according to claim 5, which is characterized in that the conveying assembly further includes return duct, institute
The one end for stating return duct is connected to the cesspool, and the other end is connected to the feed end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967143.4A CN105457995B (en) | 2015-12-22 | 2015-12-22 | A kind of soil elution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967143.4A CN105457995B (en) | 2015-12-22 | 2015-12-22 | A kind of soil elution device |
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| Publication Number | Publication Date |
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| CN105457995A CN105457995A (en) | 2016-04-06 |
| CN105457995B true CN105457995B (en) | 2018-09-28 |
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| CN201510967143.4A Active CN105457995B (en) | 2015-12-22 | 2015-12-22 | A kind of soil elution device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108160660B (en) * | 2017-12-08 | 2021-07-13 | 长春黄金研究院有限公司 | Elution reagent and cyanogen-containing tailing slag elution treatment method using same |
| CN107971332A (en) * | 2017-12-27 | 2018-05-01 | 江苏盖亚环境科技股份有限公司 | A kind of device for soil heterotopic chemical oxidation reparation |
| CN108057714B (en) * | 2018-01-22 | 2024-04-12 | 湖南力永环保科技股份有限公司 | Capillary evaporation film for soil treatment |
| CN108817063A (en) * | 2018-07-10 | 2018-11-16 | 河北科技大学 | A kind of organic pollution of soil processing unit |
| CN109111021B (en) * | 2018-08-22 | 2021-06-22 | 广州中宜生态环境科技有限公司 | Soil remediation system and remediation method thereof |
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