CN203778479U - Portable heavy metal contaminated soil drip washing device - Google Patents
Portable heavy metal contaminated soil drip washing device Download PDFInfo
- Publication number
- CN203778479U CN203778479U CN201420192592.7U CN201420192592U CN203778479U CN 203778479 U CN203778479 U CN 203778479U CN 201420192592 U CN201420192592 U CN 201420192592U CN 203778479 U CN203778479 U CN 203778479U
- Authority
- CN
- China
- Prior art keywords
- accumulator tank
- waste liquid
- contaminated soil
- heavy metal
- leacheate
- Prior art date
- 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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- 239000002689 soil Substances 0.000 title claims abstract description 46
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 21
- 238000005406 washing Methods 0.000 title abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000002699 waste material Substances 0.000 claims abstract description 42
- 238000010521 absorption reaction Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 238000004064 recycling Methods 0.000 claims description 15
- 238000010828 elution Methods 0.000 claims description 13
- 238000002386 leaching Methods 0.000 claims description 9
- 230000002572 peristaltic effect Effects 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000012295 chemical reaction liquid Substances 0.000 abstract description 2
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 239000003480 eluent Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005067 remediation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 231100000749 chronicity Toxicity 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Abstract
The utility model discloses a portable heavy metal contaminated soil drip washing device, the device includes leacheate hold up tank, reactor, vacuum absorber, waste liquid hold up tank, waste liquid recovery treater and exhaust-gas treatment ware etc. that communicate according to the order. The utility model discloses can more intensive mixing reaction liquid to adopt automated control system to carry out the automatic operation of each parameter, the sour eluant of high-efficient retrieval and utilization of while, the drip washing effect is better.
Description
Technical field
The utility model relates to environmental protection technical field and metal mine contaminated site soil remediation field, relates in particular to a kind of Portable heavy metal contaminated soil elution device.
Background technology
Along with rapid development of economy, make metal mine exploitation accelerate gradually exploitation, the disposal of pollutants of the industry such as mining, metallurgy makes industrial place and Soil Surrounding pollute day by day serious; The industrial place that the quickening of urbanization process can be accelerated to discard and the secondary development of periphery contaminated soil, therefore, reparation and the redevelopment of contaminated soil become global environmental problem, due to features such as heavy metal pollution chronicity, disguise and irreversibilities, meeting is polluted surface water, underground water, air, plant and crops directly or indirectly, the health and lives of harm humans even, therefore, restoration of soil polluted by heavy metal, recover soil original function, be difficult point both domestic and external and focus environmental problem always.
Soil leaching is to utilize drip washing reagent to rinse soil, by effects such as ion-exchange, precipitation, absorption and chelatings, heavy metal in solid phase of soil or organic matter are transferred in liquid phase of soil, again further processing containing heavy metal or organic leacheate, and cycling elution liquid, Soil leaching process comprises that pollutant that leacheate goes out in soil diffusion inside, drip washing to soil surface diffusion, pollutant that the dissolving of polluter, drip washing are gone out is from soil surface to processes such as diffuse fluid.
Soil leaching can be divided into original position and dystopy drip washing reparation by contaminated site, wherein, the reparation of soil in-situ chemical leaching is mainly the feature according to pollutant distribution, utilize external force or leacheate self gravitation, make it flow through contaminated soil, and utilize artificial water source's device to collect and eliminate the process of leacheate, carry out soil remediation.At contaminated site scene, set up elution device, and adopt physical isolation measure to carry out enclosed experiment region, need to collect pouring fluid simultaneously and carry out harmless treatment.Traditional soil heterotopic chemical leaching reparation will be through the migration of contaminated soil, contaminated soil the drip washing in drip washing equipment process, drench the pollutants such as heavy metal in fluid harmless treatment, process after the recycling etc. of soil, the process that it relates to is complicated, quantities is large, equipment price is expensive, and practicality is poor.
Therefore, need the chemical leaching device of a kind of portable, removable, integrated through engineering approaches of exploitation badly.
Utility model content
The purpose of this utility model is, a kind of Portable heavy metal contaminated soil elution device is provided, the utility model can process that different mines are adopted, the contaminated soil in choosing, smelting type and different heavy metal pollutions place, can be more abundant mixed reaction solution, and adopting automation control system to carry out the automatic operating of each parameter, simultaneously efficient reuse acid eluent, drip washing effect is better.
In order to achieve the above object, the utility model has adopted following technical scheme:
A Portable heavy metal contaminated soil elution device, described device comprises leacheate accumulator tank, reactor 4, vacuum absorption device 6, the waste liquid accumulator tank 7 being communicated with in order; Described leacheate accumulator tank comprises the first leacheate accumulator tank 1 and the second leacheate accumulator tank 2 being set up in parallel, and the first leacheate accumulator tank 1 and the interior agitator 3 that all arranges of the second leacheate accumulator tank 2; In described reactor 4, establish heater 5; Described vacuum absorption device 6 is connected with exhaust processor 12, and described exhaust processor 12 is connected with vavuum pump 9; Described waste liquid accumulator tank 7 is connected with waste liquid recycling device 11, and waste liquid pumps into leacheate accumulator tank by peristaltic pump 10 after 11 recyclings of waste liquid recycling device;
Between described reactor 4 and vacuum absorption device 6, electromagnetic valve is set, for controlling the connection between the two; Between described vacuum absorption device 6 and waste liquid accumulator tank 7, electromagnetic valve is set, for controlling the connection between the two;
Described device also comprises an automatic controller 8, for the lessivation of Non-leaching device.
Preferably, described reactor 4 is interior arranges two spiral shafts, and further preferably, described two spiral shafts are together engaged.
Preferably, described waste liquid recycling device 11 adopts active carbon to process waste liquid, the heavy metal in absorption reaction liquid, purification liquid.Those skilled in the art also can select the recovery and treatment method of other kinds as required, such as gravitational separation process, neutralisation treatment method etc.
Preferably, described exhaust processor 12 adopts active carbon to process waste gas, and those skilled in the art also can select the recovery and treatment method of other kinds as required, such as absorption-absorption method, direct combustion method etc.
Preferably, described automatic controller 8 comprises power module and PLC control module, and described PLC control module is for the switching of control heater 5, vavuum pump 9, peristaltic pump 10.
In the utility model, heater is used for heating reactant liquor, simultaneously fully mixed acid eluent and treat washed off soil.
The utility model may produce or the gas of loss in lessivation, and the gas producing adopts vavuum pump to carry out pump drainage, and the gas of institute's pump drainage finally gives off the tail gas that meets airborne release after processing by exhaust processor 12.
The method of work of device described in the utility model is:
The sour eluent preparing is added to leacheate accumulator tank, will treat that drip washing contaminated soil adds reactor, when sour eluent following current enters reactor, open spiral shaft and be uniformly mixed, mixed sour eluent and contaminated soil are heated to drip washing; After drip washing, open vavuum pump, make the inner one-tenth of vacuum absorption device vacuum state, open the valve between reactor and vacuum absorption device, promote the sour eluent contaminated soil that obtain drip washing after separated with contaminated soil; After separation, open the valve between vacuum absorption device and waste liquid accumulator tank, waste liquid enters in waste liquid accumulator tank; Adopt waste liquid recycling device to absorb the heavy metal in waste liquid, purifying waste, the waste liquid after purification pumps into leacheate accumulator tank by peristaltic pump, again recycles.The waste gas producing in lessivation adopts vavuum pump to carry out pump drainage, and the gas of institute's pump drainage finally gives off the tail gas that meets airborne release after processing by exhaust processor.
The utility model is with respect to prior art, tool has the following advantages: the utility model can automation setting and moved drip washing parameter, carries out contaminated soil drip washing, and can make equipment moving facilitation, can realize drip washing effect fully efficiently, reduce spoiled soil structure simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model elution device;
Reference numeral: 1, the first leacheate accumulator tank; 2, the second leacheate accumulator tank; 3, agitator; 4, reactor; 5, heater; 6, vacuum absorption device; 7, waste liquid accumulator tank; 8, automatic controller; 9, vavuum pump; 10, peristaltic pump; 11, waste liquid recycling device; 12, exhaust processor.
The specific embodiment
With the drawings and specific embodiments, the utility model is described in further detail below.
Embodiment 1
As shown in Figure 1, a kind of Portable heavy metal contaminated soil elution device, described device comprises leacheate accumulator tank, reactor 4, vacuum absorption device 6, the waste liquid accumulator tank 7 being communicated with in order; Described leacheate accumulator tank comprises the first leacheate accumulator tank 1 and the second leacheate accumulator tank 2 being set up in parallel, and the first leacheate accumulator tank 1 and the interior agitator 3 that all arranges of the second leacheate accumulator tank 2; In described reactor 4, establish heater 5; Described vacuum absorption device 6 is connected with exhaust processor 12, and described exhaust processor 12 is connected with vavuum pump 9; Described waste liquid accumulator tank 7 is connected with waste liquid recycling device 11, and waste liquid pumps into leacheate accumulator tank by peristaltic pump 10 after 11 recyclings of waste liquid recycling device;
Between described reactor 4 and vacuum absorption device 6, electromagnetic valve is set, for controlling the connection between the two; Between described vacuum absorption device 6 and waste liquid accumulator tank 7, electromagnetic valve is set, for controlling the connection between the two;
Described device also comprises an automatic controller 8, for the lessivation of Non-leaching device.
Described reactor 4 is interior arranges two spiral shafts that are mutually interlocked.
Described waste liquid recycling device 11 adopts active carbon to process waste liquid, and described exhaust processor 12 adopts active carbon to process waste gas.
Described automatic controller 8 comprises power module and PLC control module, and described PLC control module is for the switching of control heater 5, vavuum pump 9, peristaltic pump 10.
The method of work of device described in the utility model is:
The sour eluent preparing is added to leacheate accumulator tank, will treat that drip washing contaminated soil adds reactor, when sour eluent following current enters reactor, open spiral shaft and be uniformly mixed, mixed sour eluent and contaminated soil are heated to drip washing; After drip washing, open vavuum pump, make the inner one-tenth of vacuum absorption device vacuum state, open the valve between reactor and vacuum absorption device, promote the sour eluent contaminated soil that obtain drip washing after separated with contaminated soil; After separation, open the valve between vacuum absorption device and waste liquid accumulator tank, waste liquid enters in waste liquid accumulator tank; Adopt waste liquid recycling device to absorb the heavy metal in waste liquid, purifying waste, the waste liquid after purification pumps into leacheate accumulator tank by peristaltic pump, again recycles.The waste gas producing in lessivation adopts vavuum pump to carry out pump drainage, and the gas of institute's pump drainage finally gives off the tail gas that meets airborne release after processing by exhaust processor.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described.Although the utility model is had been described in detail with reference to embodiment, will be understood by those skilled in the art that, the technical solution of the utility model is modified or is equal to replacement, the intension and the scope that do not depart from technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (5)
1. a Portable heavy metal contaminated soil elution device, is characterized in that, described device comprises leacheate accumulator tank, reactor (4), vacuum absorption device (6), the waste liquid accumulator tank (7) being communicated with in order; Described leacheate accumulator tank comprises the first leacheate accumulator tank (1) and the second leacheate accumulator tank (2) being set up in parallel, and in the first leacheate accumulator tank (1) and the second leacheate accumulator tank (2), agitator (3) is all set; In described reactor (4), establish heater (5); Described vacuum absorption device (6) is connected with exhaust processor (12), and described exhaust processor (12) is connected with vavuum pump (9); Described waste liquid accumulator tank (7) is connected with waste liquid recycling device (11), and waste liquid pumps into leacheate accumulator tank by peristaltic pump (10) after waste liquid recycles device (11) recycling;
Between described reactor (4) and vacuum absorption device (6), electromagnetic valve is set, for controlling the connection between the two; Between described vacuum absorption device (6) and waste liquid accumulator tank (7), electromagnetic valve is set, for controlling the connection between the two;
Described device also comprises an automatic controller (8), for the lessivation of Non-leaching device.
2. Portable heavy metal contaminated soil elution device according to claim 1, is characterized in that, two spiral shafts are set in described reactor (4).
3. Portable heavy metal contaminated soil elution device according to claim 2, is characterized in that, described two spiral shafts are together engaged.
4. Portable heavy metal contaminated soil elution device according to claim 1, is characterized in that, described waste liquid recycling device (11) adopts active carbon to process waste liquid, and described exhaust processor (12) adopts active carbon to process waste gas.
5. Portable heavy metal contaminated soil elution device according to claim 1, it is characterized in that, described automatic controller (8) comprises power module and PLC control module, and described PLC control module is for the switching of control heater (5), vavuum pump (9), peristaltic pump (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420192592.7U CN203778479U (en) | 2014-04-14 | 2014-04-18 | Portable heavy metal contaminated soil drip washing device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178952 | 2014-04-14 | ||
| CN201420178952.8 | 2014-04-14 | ||
| CN201420192592.7U CN203778479U (en) | 2014-04-14 | 2014-04-18 | Portable heavy metal contaminated soil drip washing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203778479U true CN203778479U (en) | 2014-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420192592.7U Expired - Lifetime CN203778479U (en) | 2014-04-14 | 2014-04-18 | Portable heavy metal contaminated soil drip washing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203778479U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624631A (en) * | 2015-01-23 | 2015-05-20 | 河海大学 | Device for treating chromium pollution in soil and preventing pollutants from diffusing |
| CN106040737A (en) * | 2016-07-20 | 2016-10-26 | 河南工程学院 | Electrokinetic remediation experiment system for heavy metal in soil and experiment method of electrokinetic remediation experiment system |
| CN109433811A (en) * | 2018-11-28 | 2019-03-08 | 中国科学院地理科学与资源研究所 | Contaminated soil remediation device |
| CN114192559A (en) * | 2021-10-29 | 2022-03-18 | 成都酉辰环境检测有限公司 | Hexavalent chromium contaminated soil remediation device and method |
-
2014
- 2014-04-18 CN CN201420192592.7U patent/CN203778479U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624631A (en) * | 2015-01-23 | 2015-05-20 | 河海大学 | Device for treating chromium pollution in soil and preventing pollutants from diffusing |
| CN106040737A (en) * | 2016-07-20 | 2016-10-26 | 河南工程学院 | Electrokinetic remediation experiment system for heavy metal in soil and experiment method of electrokinetic remediation experiment system |
| CN109433811A (en) * | 2018-11-28 | 2019-03-08 | 中国科学院地理科学与资源研究所 | Contaminated soil remediation device |
| CN114192559A (en) * | 2021-10-29 | 2022-03-18 | 成都酉辰环境检测有限公司 | Hexavalent chromium contaminated soil remediation device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |