CN207188449U - The electro reclamation device of heavy-metal contaminated soil - Google Patents
The electro reclamation device of heavy-metal contaminated soil Download PDFInfo
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- CN207188449U CN207188449U CN201721128438.3U CN201721128438U CN207188449U CN 207188449 U CN207188449 U CN 207188449U CN 201721128438 U CN201721128438 U CN 201721128438U CN 207188449 U CN207188449 U CN 207188449U
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Abstract
A kind of electro reclamation device of heavy-metal contaminated soil, including measuring pump, catholyte chamber, anode electrolysis room, negative electrode, anode, waste collection room, real-time detection unit, electrolyte liquor chamber, gas collecting apparatus, Drexel bottle, it is characterised in that：Negative electrode is made up of hollow out water pipe precaution sleeve, ring mesh diatomite filter core and metal electrode; anode is made up of hollow out water pipe precaution sleeve, ring mesh diatomite filter core and graphite electrode; metal electrode and graphite electrode are located at ring mesh diatomite filter core outer ring positioned at the center of respective negative electrode and anode, hollow out water pipe precaution sleeve respectively.The utility model utilizes three kinds of electrodialysis, electromigration and electrophoresis electrodynamics phenomenons, and diatomite material has the characteristic of absorption, contaminated soil is handled, overcoming conventional repair can not the disposably heavy metal contaminants in in-situ treatment soil, the shortcomings of liquid of electrode district needs pump-and-treat system, processing cost is high, metal then recycling, it is environment friendliness.
Description
Technical field
The utility model belongs to soil pollution processing technology field, more particularly, to a kind of the compound of heavy-metal contaminated soil
The electronic in-situ repairing device of electrode.
Background technology
In recent years, the increase due to population and industrial expansion, substantial amounts of life and trade waste are generated.Pollution is useless
Water is unreasonable to be discharged into water body, and solid pollutant is toppled over, stacked, burying, and the pollutant in air is led with effects such as precipitation
Soil pollution is caused.Enrichment of the various pollutants through food chain enters in each organism, to biology and the health of the mankind
Very big potential hazard is brought, easily causes ecosystem destruction.Other organic pollutions can be decomposed by the microorganisms, heavy metal-polluted
Thing long time sedimentation is contaminated in soil, and it has the characteristics that natural degradation time length, conventional method are difficult to processing.
Existing soil pollution treatment measures mainly have following two：
1st, chemical harnessing measure：Leaching method, modifying agent method etc., the toxicity of heavy metal in soil can be reduced in a short time,
Because artificially applying chemical agent into soil, secondary pollution is easily caused, although this method is also a kind of in-situ remediation method, again
Metallic element is still remained in soil, and easy reactivation endangers plant, and its potential threat does not eliminate.
2nd, conventional electric repairing technique：Insert electrodes into contaminated soil and be passed through appropriately sized direct current, make powered
Particle migrates under DC Electric Field between pore water, and under electric field force effect displacement occurs for the polluter in soil
And accumulated near electrode, periodically the liquid of electrode district is extracted out, reaches the purpose for removing heavy metal-polluted soil material.At the method
It is high to manage cost, liquid post-processing is difficult and cumbersome, and plant automation degree is low.
Utility model content
The purpose of this utility model is to provide a kind of non-secondary pollution, and processing cost is low, advantages of good adsorption effect later stage adsorbate
Tractable prosthetic device, the efficiency of electro reclamation heavy metal pollution of soil is improved, reach disposable quick processing soil pollution
Purpose.
To realize above-mentioned purpose of utility model, the utility model provides a kind of electro reclamation dress of heavy-metal contaminated soil
Put, including measuring pump, catholyte chamber, anode electrolysis room, negative electrode, anode, waste collection room, real-time detection unit, electrolyte
Room, gas collecting apparatus, Drexel bottle, real-time detection unit include ohmmeter detection contact, PH meters probe, concentration of heavy metal ion detection
Instrument probe, concentration of heavy metal ion detection instrument probe are respectively placed in the region between negative electrode, anode and anode and cathode, PH meter probes
It is placed in the electrolyte of negative electrode and anode, ohmmeter detection contact is arranged at cathodic metal electrode surface upper and lower ends, anode and cathode
Measuring pump is respectively equipped with pipeline between tank house and waste collection room and electrolyte liquor chamber, it is characterised in that：Negative electrode is by engraving
Empty water pipe precaution sleeve, ring mesh diatomite filter core and metal electrode composition, anode is by hollow out water pipe precaution sleeve, ring network
Shape diatomite filter core and graphite electrode composition, metal electrode and graphite electrode are engraved respectively positioned at the center of respective negative electrode and anode
Empty water pipe precaution sleeve is located at ring mesh diatomite filter core outer ring.
Described catholyte chamber and anode electrolysis room is arranged using regular polygon, and multiple anode electrolysis rooms are positioned at just polygon
The summit of shape, catholyte chamber are located at center.
Described ring mesh diatomite filter core is formed by clamping diatom soil ball between inside and outside two layers of filter screen.
Described inside and outside two layers of filter screen upper edge is provided with lifting beam, is convenient for changing new filter core.
Circulating pump is provided with soil, accelerates the flowing of pore water.
The utility model uses electronic in-situ immobilization method, electrodialysis, electromigration and the electrophoresis three equipped using electro reclamation
Kind electrodynamics phenomenon, and diatomite material have the characteristic of absorption, and contaminated soil is handled in contaminated site original position,
Overcoming conventional electric repairing technique can not the disposably heavy metal contaminants in in-situ treatment soil, the liquid needs of electrode district
The shortcomings of pump-and-treat system, high processing cost, metal then recycling are environment friendliness.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is cathode construction profile in the utility model；
Fig. 3 is the utility model Anodic section of structure.
Embodiment
Reference picture 1, the utility model embodiment include gas collecting apparatus 1, measuring pump 2, circulating pump 3, anode electrolysis
Room 4, catholyte chamber 5, negative electrode 6, anode 7, waste collection room 8, real-time detection unit 9, electrolyte liquor chamber 10, concentrated sulfuric acid solution are washed
Gas cylinder 12, sodium hydroxide solution Drexel bottle 13, power supply 14, real-time detection unit 9 includes ohmmeter detection contact 901, PH meters are visited
First 902, concentration of heavy metal ion detection instrument probe 903, concentration of heavy metal ion detection instrument probe 903 are respectively placed in negative electrode 6, sun
Three test points between pole 7 and anode and cathode, PH meters probe 902 are placed in the electrolyte of negative electrode and anode, and ohmmeter detection is touched
Point 901 is arranged at cathodic metal electrode surface upper and lower ends, anode and cathode tank house 4,5 and waste collection room 8 and electrolyte liquor chamber
Measuring pump 2 is respectively equipped with pipeline between 10, above-mentioned each element is powered by power supply 14；Catholyte chamber and anode electrolysis room
Arranged using square, four anode electrolysis rooms are located at center positioned at four summits of square, catholyte chamber.Anode and cathode electricity
Solution room is communicated with soil, and circulating pump 3 is provided with soil 11, accelerates the flowing of pore water.
Reference picture 2, negative electrode is by hollow out water pipe precaution sleeve 401, ring mesh diatomite filter core 402 and metal electrode 403
Composition, ring mesh diatomite filter core are formed by clamping diatom soil ball between inside and outside two layers of filter screen, and metal electrode is austenite 304
Stainless steel material electrode, positioned at the center of negative electrode, hollow out water pipe precaution sleeve is located at ring mesh diatomite filter core outer ring, inside and outside
Two layers of filter screen upper edge is provided with lifting beam 404, is convenient for changing new filter core.
Reference picture 3, anode is by hollow out water pipe precaution sleeve 501, ring mesh diatomite filter core 502 and graphite electrode 503
Composition, ring mesh diatomite filter core are formed by clamping diatom soil ball between inside and outside two layers of filter screen, and graphite electrode is located at anode
Center, hollow out water pipe precaution sleeve are located at ring mesh diatomite filter core outer ring, and inside and outside two layers of filter screen upper edge is provided with lifting beam
504, it is convenient for changing new filter core.
During work, the DC electric field that is formed using electrode pair in the presence of constant voltage dc source, by soil aperture
Underground water and additional electrolyte solution as conducting medium, charged ion is moved to respective electrode area under electrodynamic action
Dynamic, the solution in soil aperture is migrated by electric osmose to anode, and heavy metal ion is acted on de- by electromigration, electrophoresis, electrodialysis
From contaminated soil, while anode region separates out the heavy metal simple substance for being unfavorable for absorbing and its compound and will adsorbed by diatomite material；
Pollutant concentration is constantly reduced by changing diatomite filter core in processing procedure, processing terminates rear electrolyte extraction and is transported to factory
It is further processed, reaches the disposable effect for fully and completely handling pollutant.
Claims (5)
1. a kind of electro reclamation device of heavy-metal contaminated soil, including measuring pump, catholyte chamber, anode electrolysis room, negative electrode,
Anode, waste collection room, real-time detection unit, electrolyte liquor chamber, gas collecting apparatus, Drexel bottle, real-time detection unit include ohmmeter
Contact, PH meters probe, concentration of heavy metal ion detection instrument probe are detected, concentration of heavy metal ion detection instrument probe is respectively placed in the moon
Region between pole, anode and anode and cathode, PH meter probes are placed in the electrolyte of negative electrode and anode, and ohmmeter detection contact is set
Cathodic metal electrode surface upper and lower ends are placed in, on the pipeline between anode and cathode tank house and waste collection room and electrolyte liquor chamber
It is respectively equipped with measuring pump, it is characterised in that：Negative electrode is by hollow out water pipe precaution sleeve, ring mesh diatomite filter core and metal electrode
Composition, anode are made up of hollow out water pipe precaution sleeve, ring mesh diatomite filter core and graphite electrode, metal electrode and graphite electricity
Pole is located at ring mesh diatomite filter core outer ring positioned at the center of respective negative electrode and anode, hollow out water pipe precaution sleeve respectively.
2. the electro reclamation device of heavy-metal contaminated soil according to claim 1, it is characterised in that：Described negative electrode electricity
Solve room and anode electrolysis room to arrange using regular polygon, multiple anode electrolysis rooms are located at the summit of regular polygon, catholyte chamber
Positioned at center.
3. the electro reclamation device of heavy-metal contaminated soil according to claim 1, it is characterised in that：Described ring network
Shape diatomite filter core is formed by clamping diatom soil ball between inside and outside two layers of filter screen.
4. the electro reclamation device of heavy-metal contaminated soil according to claim 3, it is characterised in that：Described inside and outside two
Layer filter screen upper edge is provided with lifting beam.
5. the electro reclamation device of the heavy-metal contaminated soil according to claim 1 or 2 or 3 or 4, it is characterised in that：
Circulating pump is provided with soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128438.3U CN207188449U (en) | 2017-09-04 | 2017-09-04 | The electro reclamation device of heavy-metal contaminated soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128438.3U CN207188449U (en) | 2017-09-04 | 2017-09-04 | The electro reclamation device of heavy-metal contaminated soil |
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| Publication Number | Publication Date |
|---|---|
| CN207188449U true CN207188449U (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721128438.3U Active CN207188449U (en) | 2017-09-04 | 2017-09-04 | The electro reclamation device of heavy-metal contaminated soil |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723075A (en) * | 2018-05-18 | 2018-11-02 | 青岛理工大学 | Heavy metal contaminated soil solar electric restoration device |
| CN110479757A (en) * | 2019-09-02 | 2019-11-22 | 河南工程学院 | A kind of the electro reclamation device and restorative procedure of Compound Heavy Metals soil |
-
2017
- 2017-09-04 CN CN201721128438.3U patent/CN207188449U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723075A (en) * | 2018-05-18 | 2018-11-02 | 青岛理工大学 | Heavy metal contaminated soil solar electric restoration device |
| CN110479757A (en) * | 2019-09-02 | 2019-11-22 | 河南工程学院 | A kind of the electro reclamation device and restorative procedure of Compound Heavy Metals soil |
| CN110479757B (en) * | 2019-09-02 | 2024-02-09 | 河南工程学院 | Electric restoration device and restoration method for composite heavy metal contaminated soil |
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