CN203635613U - Ectopic leaching device for heavy metal contaminated soil - Google Patents
Ectopic leaching device for heavy metal contaminated soil Download PDFInfo
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- CN203635613U CN203635613U CN201320592906.8U CN201320592906U CN203635613U CN 203635613 U CN203635613 U CN 203635613U CN 201320592906 U CN201320592906 U CN 201320592906U CN 203635613 U CN203635613 U CN 203635613U
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- drip washing
- leaching
- contaminated soil
- tank
- ectopic
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Abstract
The utility model discloses an ectopic leaching device for heavy metal contaminated soil. The device comprises a leaching tank, a guide channel and a sewage treatment tank, wherein the leaching tank is connected with the sewage treatment tank by the guide channel; a gradient of 10-30 degrees is set at the bottom of the leaching tank. According to the ectopic leaching device, polyvinyl chloride (PVC) boards are used as main material to construct the leaching tank, so that groundwater pollution is avoided; the gradient is set at the bottom of the leaching tank, so that sewage can conveniently flow into the sewage treatment tank; the ectopic soil leaching device can be constructed and disassembled within short time, so that the leaching cost is greatly saved; therefore, the ectopic leaching device has good popularization significance.
Description
Technical field
The utility model relates to a kind of Soil leaching facility, is specifically related to a kind of heavy-metal contaminated soil dystopy drip washing equipment.
Background technology
Heavy metal pollution has become one of soil pollution maximum to the healthy formation harm of human life.Heavy metal is difficult for migration in soil, is difficult for being degraded by microorganisms, and the holdup time is long, can cause crop production reduction and agricultural product quality to decline, and then be detrimental to health.
Original position drip washing technology is poured into leacheate to contaminated soil, reclaims the heavy metal in ring waste, and this technical costs is lower, and technique is simple, but remediation efficiency is low, easily polluted underground water.
Dystopy drip washing technology comprises earth pillar elution method, vibration elution method, stirs elution method.Earth pillar elution method mainly removes the heavy metal in contaminated soil by the form of soil column drip washing, and this technology can polluted underground water, but remediation efficiency is low, and processing cost is relatively high.Stirring drip washing technology is that leacheate is fully mixed in vibration or stirred reactor for a long time with soil, the heavy metal in removal soil, and this technology remediation efficiency is higher, and secondary pollution risk is less, but deals with more loaded down with trivial detailsly, and cost is also higher.
Utility model content
The purpose of this utility model is to provide a kind of heavy-metal contaminated soil dystopy drip washing equipment.
The purpose of this utility model realizes by following scheme:
A kind of heavy-metal contaminated soil dystopy drip washing equipment, comprises drip washing pond, guiding canal, treatment tank; Described drip washing pond is connected with treatment tank by guiding canal; The bottom in described drip washing pond is provided with 10 °～30 ° gradients.
Described drip washing pond is to be made up of PVC plate.
The described thick stalk layer of drip washing pond bottom place mat 5cm.
This utility device restoration of soil polluted by heavy metal process is: all soil to be repaired separates after processing by pollution level, directly send drip washing pond, water or leacheate clean, remove pollutant, again the cleaning waste water or the waste liquid that contain pollutant are processed, finally can backfill by clean soil or transport to other place reuses.
Leacheate is taked a small amount of repeatedly drip washing mode of circulation, improves drip washing effect and eluent utilization rate, reduces rehabilitation cost.
Ring waste flows into liquid waste processing pond through guiding canal.Leacheate recycles, and ring waste reaches " integrated wastewater discharge standard " through collection and treatment.
Compared to the prior art, the beneficial effects of the utility model:
The utility model is built drip washing pond take PVC plate as main material, avoided underground water pollution; Bottom, drip washing pond is provided with the gradient, is convenient to effluent stream to treatment tank; Carry out at short notice building and removing of soil heterotopic elution device, greatly saved again drip washing cost, be therefore with the promotion of good sense.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model heavy-metal contaminated soil dystopy drip washing equipment.
In Fig. 1,1-drip washing pond, 2-guides canal, 3-treatment tank, 4-drip washing soil layer, 5-stalk layer.
The specific embodiment
By reference to the accompanying drawings the utility model is further described.
As Fig. 1, a kind of heavy-metal contaminated soil dystopy drip washing equipment, comprises drip washing pond 1, guiding canal 2, treatment tank 3; Wherein said drip washing pond 1 is to be made up of PVC plate, is specially: build the fence of 20m*10m*1.5m with PVC plate in place, bottom paving forms drip washing pond 1 with PVC plate; Described 1 bottom, drip washing pond arranges 10 ° of gradients, guarantees that effusion flows out from a direction; Stalk layer 5 prepared by the described drip washing pond thick rice wheat straw waste of 1 bottom place mat 5cm, increases seepage speed; The bottom in described drip washing pond 1 is connected with treatment tank 3 by guiding canal 2.
Heavy-metal contaminated soil after pulverizing inserts in drip washing pond 1, and thickness of soil 50cm adjusts unit weight and shakeouts.
The eluent regulating is (3～5 times) spray several times, then water repeatedly sprays (3～5 times), and ring waste flows into liquid waste processing pond 3 through guiding canal 2, waits for subsequent treatment.
Leacheate recycles, and ring waste reaches " integrated wastewater discharge standard " through collection and treatment.Wastewater treatment total amount is 400～600m3 (approximately 2～3 times of earth volume) approximately.
Claims (3)
1. a heavy-metal contaminated soil dystopy drip washing equipment, comprises drip washing pond, guiding canal, treatment tank; It is characterized in that described drip washing pond is connected with treatment tank by guiding canal; The bottom in described drip washing pond is provided with 10 °～30 ° gradients.
2. heavy-metal contaminated soil dystopy drip washing equipment according to claim 1, is characterized in that described drip washing pond is to be made up of PVC plate.
3. heavy-metal contaminated soil dystopy drip washing equipment according to claim 1, is characterized in that the described thick stalk layer of drip washing pond bottom place mat 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592906.8U CN203635613U (en) | 2013-09-25 | 2013-09-25 | Ectopic leaching device for heavy metal contaminated soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592906.8U CN203635613U (en) | 2013-09-25 | 2013-09-25 | Ectopic leaching device for heavy metal contaminated soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203635613U true CN203635613U (en) | 2014-06-11 |
Family
ID=50866893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320592906.8U Expired - Lifetime CN203635613U (en) | 2013-09-25 | 2013-09-25 | Ectopic leaching device for heavy metal contaminated soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203635613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694535A (en) * | 2017-01-22 | 2017-05-24 | 北京丰泽绿源环境技术有限公司 | Remediation technology and process for heavy metal and organic matter composite contaminated soil |
| CN106881340A (en) * | 2017-03-14 | 2017-06-23 | 北京建工环境修复股份有限公司 | A kind of administering method in heavy metal pollution farmland |
-
2013
- 2013-09-25 CN CN201320592906.8U patent/CN203635613U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694535A (en) * | 2017-01-22 | 2017-05-24 | 北京丰泽绿源环境技术有限公司 | Remediation technology and process for heavy metal and organic matter composite contaminated soil |
| CN106881340A (en) * | 2017-03-14 | 2017-06-23 | 北京建工环境修复股份有限公司 | A kind of administering method in heavy metal pollution farmland |
| CN106881340B (en) * | 2017-03-14 | 2020-12-11 | 北京建工环境修复股份有限公司 | Treatment method for heavy metal polluted farmland |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |