CN203541070U - Engineering device for remediating contaminated soil by drip washing - Google Patents
Engineering device for remediating contaminated soil by drip washing Download PDFInfo
- Publication number
- CN203541070U CN203541070U CN201320717301.7U CN201320717301U CN203541070U CN 203541070 U CN203541070 U CN 203541070U CN 201320717301 U CN201320717301 U CN 201320717301U CN 203541070 U CN203541070 U CN 203541070U
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- Prior art keywords
- tank
- drip washing
- hydrocyclone
- washing tank
- series connection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000005406 washing Methods 0.000 title claims abstract description 58
- 239000002689 soil Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001179 sorption measurement Methods 0.000 claims abstract description 10
- 238000013459 approach Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000005067 remediation Methods 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract 2
- 238000004062 sedimentation Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 8
- 238000011084 recovery Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000003993 organochlorine pesticide Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- -1 radionuclide Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses an engineering device for remediating contaminated soil by drip washing, belonging to the technical filed of soil remediation. The engineering device mainly comprises a wet-type multistage vibrating screen, a muddy water storage tank, a hydrocyclone, a chemical feeding tank, a drip washing tank, a washing tank, a concentrating tank, an adsorption and purification tank, an inclined plate sedimentation basin and a belt-type filter press, wherein the wet-type multistage vibrating screen, the muddy water storage tank and the drip washing tank are sequentially connected, the drip washing tank is connected with the washing tank through the hydrocyclone, the washing tank is connected with the concentrating tank through the hydrocyclone, the concentration tank is connected with the belt-type filter press, the adsorption and purification tank is connected with the hydrocyclone and the inclined plate sedimentation basin, and the chemical feeding tank is connected with the drip washing tank. The engineering device has the advantages of simplicity in operation, strong controllability, wide application range, good removal effect, large handling capacity and the like, the device parameter can be adjusted and optimized according to the actual conditions, and the device is suitable for the remediation engineering of industrial contaminated sites.
Description
Technical field
The utility model belongs to soil remediation field, relates in particular to contaminated site soil remediation equipment.
Background technology
Along with the quickening of expanding economy and city-building speed, the change of place character is also further frequent.Many industrial enterprises move away from city successively, and original industrial land is developed as residential estate, school's land used or Gongjian's land used gradually.But work business activity for many years causes the severe contamination of plant area's soil and groundwater, and may endanger resident's health.Therefore, the repairing and treating task in pollution work enterprise place is very urgent.
At present, soil remediation method mainly contains physical restoration, chemical restoration and biological restoration etc. both at home and abroad, but some method exists the deficiencies such as cost is high, reparation is thorough, repairing efficiency is long, environmental influence is large, limits its range of application.Soil leaching recovery technique is a kind of chemical leaching technology rapidly and efficiently, is also one of soil remediation method of twentieth century end U.S. EPA recommendation.Drip washing recovery technique is to adopt leacheate to clean to remove pollutant in soil, makes standard of soil environment quality reach corresponding planned land use requirement.The method can be used for the repairing and treating of the contaminated soils such as heavy metal, radionuclide, petroleum hydrocarbon, polycyclic aromatic hydrocarbon, Polychlorinated biphenyls, organo-chlorine pesticide, and the scope of application is very wide, has the advantages such as repairing efficiency is short, removal efficiency is high, easy and simple to handle simultaneously.But, this ELUTION METHOD is applied to and in contaminated soil repair process, needs to develop a set of drip washing recovery project equipment.
At present, most of drip washing equipment of domestic-developed is also mainly for laboratory research, and if license publication number is CN202192081U, title is a kind of experimental provision of removing pollutant; License publication number is CN201579252U, and title is the drip washing removal device of PAHs in a kind of contaminated soil.These equipment are only suitable for carrying out under the ideal conditions of laboratory, it directly cannot be amplified and are applied in soil remediation engineering.License publication number is CN201848424U, and title is a kind of drip washing prosthetic appliance of contaminated soil.In this drip washing prosthetic appliance, drip washing pond only adopts mixer to mix, and the drip washing time is length and the intermittent duty of a whole set of drip washing equipment, and disposal ability is lower.Therefore, need exploitation a kind of be applicable to China's soil property feature efficient, fast, treating capacity is large, the drip washing recovery project equipment that can realize automation.
Utility model content
The purpose of this utility model is the deficiency for existing Soil leaching equipment, and a kind of through engineering approaches equipment of drip washing repairing polluted soil is provided, and it can process contaminated soil efficiently, fast.
The utility model discloses a kind of through engineering approaches equipment of drip washing repairing polluted soil, it is characterized in that it mainly comprises: wet type multi-stage oscillating screen, muddy water storage tank, hydrocyclone, grug feeding jar, drip washing tank, water washing tank, concentration tank, adsorption cleaning tank, inclined-plate clarifying basin and belt filter press; Described hydrocyclone is divided into 1# hydrocyclone series connection group and 2# hydrocyclone series connection group; Described wet type multi-stage oscillating screen, muddy water storage tank, drip washing tank are connected successively, and described 1# hydrocyclone series connection group is connected drip washing tank with water washing tank, and 2# hydrocyclone series connection group is connected water washing tank with concentration tank; Described concentration tank is connected with belt filter press; Described adsorption cleaning tank one end is connected with 1# hydrocyclone series connection group, and the other end is connected with inclined-plate clarifying basin; Described grug feeding jar is connected with drip washing tank.
Described wet type multi-stage oscillating screen top is provided with automatic rotation spray system; Wet type multi-stage oscillating screen is divided into secondary, and one-level screens out the stone that is greater than 10mm, and secondary screens out the coarse sand of 2～10mm; Described spray system at least comprises a water pump, water tank, multiple shower nozzle and automatic rotation control device.
Described 1# hydrocyclone series connection group comprises two hydrocyclones, and 2# hydrocyclone series connection group comprises two hydrocyclones.
Bilobed wheel mixer is all installed in described drip washing tank and water washing tank upper end, and sidewall is all installed ultrasonic vibration plate, and heating system is all installed in bottom; Bilobed wheel mixer is all installed in described adsorption cleaning tank and concentration tank upper end.
Compared with existing equipment, the contaminated soil heterotopic drip washing recovery project equipment the utility model proposes adopts wet type multi-stage oscillating screen and hydrocyclone to carry out multiple fractionation to soil particle, and differentiated treatment has reduced Soil leaching and processed total amount; And stirring, ultrasonic and heating system are installed in drip washing tank simultaneously, have greatly shortened the drip washing time, improve treatment effeciency.
The utility model is for contaminated site soil remediation engineering.The feature such as that this equipment has is easy and simple to handle, controllability is strong, applied widely, removal effect is good, treating capacity is large.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, further illustrate the equipment of this drip washing repairing polluted soil.
Fig. 1 is the schematic diagram of the utility model drip washing repairing polluted soil equipment.
The specific embodiment
As shown in Figure 1, it mainly comprises wet type multi-stage oscillating screen 1, muddy water storage tank 2, drip washing tank 3, water washing tank 4, concentration tank 5, belt filter press 6, grug feeding jar 7, hydrocyclone (9-1～9-4), adsorption cleaning tank 10 and inclined-plate clarifying basin 11 to the drip washing repairing polluted soil equipment of the present embodiment.Wet oscillating screen 1 has secondary screen cloth, and one-level screen cloth hole is 10mm, for removing larger stone; Secondary screen cloth hole is 2mm, remove the coarse sand of 2～10mm, but the hole of screen cloth can be selected according to actual conditions.Fine earth soil particle suspension by Wet oscillating screen 1 is sent into drip washing tank 3 by pump 14-1, stirs, ultrasonic 16 mixes and open heating system 15, and meanwhile grug feeding jar 7 is to adding medicine in drip washing tank 3; Pump 14-2 enters hydrocyclone (9-1,9-2) by muddy water mixed solution, and fine earth soil particle suspension enters adsorption cleaning tank 10 by hydrocyclone 9-2 upper end overfall, then comes back to Wet oscillating screen 1 after inclined-plate clarifying basin 11; Hydrocyclone (9-1,9-2) lower end soil enters water washing tank 4, and to reduce the content of soil Chinese medicine, the required running water of water washing tank 4 is extracted from running water storage pond 12 by pump 14-9; Finally the soil after washing enters concentration tank 5 after hydrocyclone (9-3,9-4) is concentrated, finally by belt filter press 6, dewaters.The partially aqueous solution that lessivation produces enters in leacheate storage pond 8 temporary.The operation of complete equipment is controlled by automatic control cabinet 13.
In addition to the implementation, the utility model also has other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (5)
1. a through engineering approaches equipment for drip washing repairing polluted soil, is characterized in that it mainly comprises: wet type multi-stage oscillating screen, muddy water storage tank, hydrocyclone, grug feeding jar, drip washing tank, water washing tank, concentration tank, adsorption cleaning tank, inclined-plate clarifying basin and belt filter press; Described hydrocyclone is divided into 1# hydrocyclone series connection group and 2# hydrocyclone series connection group; Described wet type multi-stage oscillating screen, muddy water storage tank, drip washing tank are connected successively, and described 1# hydrocyclone series connection group is connected drip washing tank with water washing tank, and 2# hydrocyclone series connection group is connected water washing tank with concentration tank; Described concentration tank is connected with belt filter press; Described adsorption cleaning tank one end is connected with 1# hydrocyclone series connection group, and the other end is connected with inclined-plate clarifying basin; Described grug feeding jar is connected with drip washing tank.
2. the through engineering approaches equipment of a kind of drip washing repairing polluted soil according to claim 1, is characterized in that described wet type multi-stage oscillating screen top is provided with automatic rotation spray system; Wet type multi-stage oscillating screen is divided into secondary, and one-level screens out the stone that is greater than 10mm, and secondary screens out the coarse sand of 2～10mm.
3. the through engineering approaches equipment of a kind of drip washing repairing polluted soil according to claim 2, is characterized in that described spray system at least comprises a water pump, water tank, multiple shower nozzle and automatic rotation control device.
4. the through engineering approaches equipment of a kind of drip washing repairing polluted soil according to claim 1, is characterized in that described 1# hydrocyclone series connection group comprises two hydrocyclones, and 2# hydrocyclone series connection group comprises two hydrocyclones.
5. the through engineering approaches equipment of a kind of drip washing repairing polluted soil according to claim 1, bilobed wheel mixer is all installed in drip washing tank and water washing tank upper end described in it is characterized in that, and sidewall is all installed ultrasonic vibration plate, and heating system is all installed in bottom; Bilobed wheel mixer is all installed in described adsorption cleaning tank and concentration tank upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717301.7U CN203541070U (en) | 2013-11-11 | 2013-11-11 | Engineering device for remediating contaminated soil by drip washing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717301.7U CN203541070U (en) | 2013-11-11 | 2013-11-11 | Engineering device for remediating contaminated soil by drip washing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203541070U true CN203541070U (en) | 2014-04-16 |
Family
ID=50459240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320717301.7U Expired - Lifetime CN203541070U (en) | 2013-11-11 | 2013-11-11 | Engineering device for remediating contaminated soil by drip washing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203541070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934089A (en) * | 2014-04-29 | 2014-07-23 | 重庆市淡水河谷矿业有限公司 | Comprehensive force field multistage-separation beneficiation method and system |
| CN117102222A (en) * | 2023-08-11 | 2023-11-24 | 江苏省环境科学研究院 | Portable contaminated soil in-situ quick emergency repair and reuse equipment |
-
2013
- 2013-11-11 CN CN201320717301.7U patent/CN203541070U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934089A (en) * | 2014-04-29 | 2014-07-23 | 重庆市淡水河谷矿业有限公司 | Comprehensive force field multistage-separation beneficiation method and system |
| CN117102222A (en) * | 2023-08-11 | 2023-11-24 | 江苏省环境科学研究院 | Portable contaminated soil in-situ quick emergency repair and reuse equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Zhenhua Inventor before: Wu Zhenhua Inventor before: Zhong Yuchi |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WU ZHENHUA ZHONG YUCHI TO: WU ZHENHUA |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |