CN206981413U - A kind of barrier prosthetic device for heavy-metal contaminated soil - Google Patents
A kind of barrier prosthetic device for heavy-metal contaminated soil Download PDFInfo
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- CN206981413U CN206981413U CN201720866419.4U CN201720866419U CN206981413U CN 206981413 U CN206981413 U CN 206981413U CN 201720866419 U CN201720866419 U CN 201720866419U CN 206981413 U CN206981413 U CN 206981413U
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- Prior art keywords
- casing
- contaminated soil
- heavy
- prosthetic device
- metal contaminated
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Abstract
The utility model patent is related to environmental technology field, and in particular to a kind of barrier prosthetic device for heavy-metal contaminated soil.The prosthetic device includes casing and the D.C. regulated power supply being arranged on casing, its left and right ends of casing are respectively arranged with anode plate and cathode plate, its center of inside is provided with the reparation area for holding contaminated soil, repair to be respectively arranged between area and yin, yang pole plate and isolate adsorption layer and filter layer, repair area top and be provided with gland, gland is hinged on casing, and minus plate end is provided with waste collection box；The connection corresponding with positive and negative pole plate respectively of the both positive and negative polarity of D.C. regulated power supply, casing are provided with injecting electrolytic solution mouth, and liquid injection port is connected with repairing area.The utility model is in view of the shortcomings of the prior art, there is provided a kind of barrier prosthetic device for heavy-metal contaminated soil of dependable performance, can not only improve soil remediation efficiency can also reduce soil nutrient loss, will not cause secondary pollution.
Description
Technical field
The utility model patent is related to environmental technology field, and in particular to a kind of barrier for heavy-metal contaminated soil is repaiied
Apparatus for coating.
Background technology
Soil pollution is within a very long time not by should have concern.The soil caused by various pollutants at present
Pollution problem is quite serious.After soil is contaminated, the higher contaminated surface soil containing pollutant concentration is easily in wind-force and waterpower
Had respectively entered under effect in air and water body, cause atmosphere pollution, surface water and groundwater pollution and ecosystem degradation
Etc. other secondary ecological environment problems.The wide amount of heavy-metal contaminated soil is more, and wherein In The Suburbs of Large And Medium Cities vegetables is heavy metal-polluted
Dye is particularly acute.The recovery technique of soil and groundwater can be divided into heavy metal pollution of soil, heat treating process, fixation/stabilization from operating principle
Change method, chemical restoration, biological restoration, phytoremediation and chemical leaching method etc., but this several method has necessarily
The scope of application limitation, for example, heavy metal pollution of soil quantities is bigger, be also easy to produce secondary pollution, it is big to soil and environmental destruction；
Heat treating process equipment investment and processing cost are high；Poor mobility of the microorganism in soil in biological restoration, vulnerable to pollution thing
Poisonous effect suppress, and microorganisms/enzymes preparation can bring secondary pollution；Hyperaccumulative plant is to pollutant in phytoremediation
Absorption and accumulation it is extremely slow, reparation generally require several seasons of growth；Elution method requires higher to soil, and soil must have
Higher penetrating power, and the retention of eluent soil can bring secondary pollution.
Utility model content
The utility model is in view of the shortcomings of the prior art, there is provided a kind of resistance for heavy-metal contaminated soil of dependable performance
Every prosthetic device, can not only improve soil remediation efficiency can also reduce soil nutrient loss, will not cause secondary pollution.
What the technical solution of the utility model was realized in：This is used for the barrier prosthetic device bag of heavy-metal contaminated soil
Casing and the D.C. regulated power supply being arranged on casing are included, its left and right ends of the casing are respectively arranged with positive plate and negative electrode
Plate, its center of inside are provided with the reparation area for holding contaminated soil, are respectively arranged with and isolate between the reparation area and yin, yang pole plate
Adsorption layer and filter layer, the reparation area top are provided with gland, and the gland is hinged on casing, and the minus plate end is provided with
Waste collection box；Connection corresponding with positive and negative pole plate, the casing are provided with electrolysis to the both positive and negative polarity of the D.C. regulated power supply respectively
Liquid liquid injection port, the liquid injection port are connected with repairing area.
The isolation adsorption layer is the porous ceramics ring that surface is provided with surfactant.
There are multilayer active carbon filter paper, the active carbon filter paper thickness 0.5mm, the property charcoal filter paper load in the filter layer
Measure 20mg/cm2~40mg/cm2。
The positive plate is graphite electrode, and minus plate is stainless steel electrode.
The bottom of shell is provided with roller.
The utility model solves defect present in background technology, has the advantages that：
A kind of barrier prosthetic device for heavy-metal contaminated soil of dependable performance is provided, can not only improve soil remediation
Efficiency can also reduce soil nutrient loss, will not cause secondary pollution.The device is by opening D.C. regulated power supply, cathode and anode
On plate DC electric field is formed after application direct current between electrode pair.It is situated between by the use of the electrolyte solution in soil aperture as conduction
Matter, charged ion migrates to corresponding electrode district under current field condition, and pollutant mainly leaves place by electromigration and electric osmose mode
Area is managed, so as to reach the purpose of reparation, soil remediation efficiency high, also solves the problem of soil nutrient is lost in.The prosthetic device
Isolation adsorption layer in surfactant porous ceramics ring, have an extremely strong compatibility, adsorb heavy metal, Unit Weight should
The adsorbable suspended particles of material or heavy metal amount are higher, and repairing effect is good.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1- D.C. regulated power supplies, 2- casings, 3- positive plates, 4- filter layers, 5- isolation adsorption layers, 6- repair area, 7-
Gland, 8- minus plates, 9- waste collection boxes, 10- rollers, 11- liquid injection ports.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The barrier prosthetic device embodiment for heavy-metal contaminated soil as shown in Figure 1, including casing 2 be arranged on machine
D.C. regulated power supply 1 on shell 2, its left and right ends of casing 2 are respectively arranged with positive plate 3 and minus plate 8, and its center of inside is provided with
The reparation area 6 of contaminated soil is held, repairs and isolation adsorption layer 5 and filter layer is respectively arranged between area 6 and yin, yang pole plate 8,3
4, repair the top of area 6 and be provided with gland 7, gland 7 is hinged on casing 2, and the end of minus plate 8 is provided with waste collection box 9；DC voltage-stabilizing
The both positive and negative polarity of power supply 1 respectively with positive and negative pole plate 3,8 is corresponding connects, casing 2 is provided with injecting electrolytic solution mouth 11, liquid injection port 11 and
Area 6 is repaired to be connected.It is the porous ceramics ring that surface is provided with surfactant to isolate adsorption layer 5.There is multilayer active in filter layer 4
Charcoal filter paper, the active carbon filter paper thickness 0.5mm, the property charcoal filter paper load capacity 20mg/cm2~40mg/cm2.Positive plate 3 is
Graphite electrode, minus plate 8 are stainless steel electrode.The bottom of casing 2 is provided with roller 10.
The utility model implementation process is：By heavy-metal contaminated soil through air-drying, after sieving, the reparation area that is put into device
In 6, after liquid injection port 11 fills appropriate electrolyte, by gland 7 by soil compression to be repaired, and gland 7 is closed.Open direct current
Voltage-stabilized power supply 1, DC electric field is formed between electrode pair after applying direct current on yin, yang pole plate 8,3, using in soil aperture
Electrolyte solution is as conducting medium, and charged ion migrates to corresponding electrode district under current field condition, meanwhile, in soil aperture
Solution mainly leaves treatment region to cathodic migration, pollutant by electric osmose by electromigration and electric osmose mode, is repaired so as to reach
Purpose.After the completion of reparation, can caused flocculation waste directly in Recycling of waste liquid disposable box 9, at supporting follow-up waste water
Facility is managed, saves processing cost.In addition the porous ceramics ring of the surfactant in the isolation adsorption layer 5 of the prosthetic device,
It is soft " heavy metal (for example mercury, cadmium and lead) has an extremely strong compatibility, heavy metal is adsorbed, due to the high-ratio surface of highly ordered porous materials
Product, the adsorbable suspended particles of the material or heavy metal amount of Unit Weight are very high.For example：Can to the maximum adsorption capacity of cadmium
Up to more than 400mg/g.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (5)
1. a kind of barrier prosthetic device for heavy-metal contaminated soil, it is characterised in that including casing (2) and be arranged on casing
(2) D.C. regulated power supply (1) on, described its left and right ends of casing (2) are respectively arranged with positive plate (3) and minus plate (8), its
Center of inside is to hold the reparation area (6) of contaminated soil, and described repair is respectively arranged between area (6) and yin, yang pole plate (8,3)
Isolate adsorption layer (5) and filter layer (4), described reparation area (6) top is provided with gland (7), and the gland (7) is hinged on casing
(2) on, minus plate (8) end is provided with waste collection box (9)；The both positive and negative polarity of the D.C. regulated power supply (1) respectively with sun,
Minus plate (3,8) is corresponding to be connected, and the casing (2) is provided with injecting electrolytic solution mouth (11), and the liquid injection port (11) is with repairing area
(6) it is connected.
2. the barrier prosthetic device according to claim 1 for heavy-metal contaminated soil, it is characterised in that：The isolation
Adsorption layer (5) is the porous ceramics ring that surface is provided with surfactant.
3. the barrier prosthetic device according to claim 1 or 2 for heavy-metal contaminated soil, it is characterised in that：It is described
There are multilayer active carbon filter paper, the active carbon filter paper thickness 0.5mm, the property charcoal filter paper load capacity 20mg/ in filter layer (4)
cm2~40mg/cm2。
4. the barrier prosthetic device according to claim 3 for heavy-metal contaminated soil, it is characterised in that：The anode
Plate (3) is graphite electrode, and minus plate (8) is stainless steel electrode.
5. according to the barrier prosthetic device for heavy-metal contaminated soil described in claim 4, it is characterised in that：The casing
(2) bottom is provided with roller (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866419.4U CN206981413U (en) | 2017-07-17 | 2017-07-17 | A kind of barrier prosthetic device for heavy-metal contaminated soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866419.4U CN206981413U (en) | 2017-07-17 | 2017-07-17 | A kind of barrier prosthetic device for heavy-metal contaminated soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206981413U true CN206981413U (en) | 2018-02-09 |
Family
ID=61405586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720866419.4U Expired - Fee Related CN206981413U (en) | 2017-07-17 | 2017-07-17 | A kind of barrier prosthetic device for heavy-metal contaminated soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206981413U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174951A (en) * | 2018-07-19 | 2019-01-11 | 华侨大学 | A kind of Electroremediation method of hexavalent chromium polluted soil |
| CN114380369A (en) * | 2022-01-27 | 2022-04-22 | 重庆融极环保工程有限公司 | Device and method for rapidly recovering phosphate based on weak electric field |
| CN115446103A (en) * | 2022-08-29 | 2022-12-09 | 江南大学 | Device for in-situ ex-situ remediation of heavy metal contaminated soil and remediation method thereof |
-
2017
- 2017-07-17 CN CN201720866419.4U patent/CN206981413U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174951A (en) * | 2018-07-19 | 2019-01-11 | 华侨大学 | A kind of Electroremediation method of hexavalent chromium polluted soil |
| CN114380369A (en) * | 2022-01-27 | 2022-04-22 | 重庆融极环保工程有限公司 | Device and method for rapidly recovering phosphate based on weak electric field |
| CN115446103A (en) * | 2022-08-29 | 2022-12-09 | 江南大学 | Device for in-situ ex-situ remediation of heavy metal contaminated soil and remediation method thereof |
| CN115446103B (en) * | 2022-08-29 | 2024-03-26 | 江南大学 | Device for in-situ and ex-situ restoration of heavy metal contaminated soil and restoration method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20200717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |