CN205650604U - Soil belt cleaning device - Google Patents
Soil belt cleaning device Download PDFInfo
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- CN205650604U CN205650604U CN201521118840.4U CN201521118840U CN205650604U CN 205650604 U CN205650604 U CN 205650604U CN 201521118840 U CN201521118840 U CN 201521118840U CN 205650604 U CN205650604 U CN 205650604U
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Abstract
The utility model discloses a soil belt cleaning device, this belt cleaning device include particle grading unit, soil washing unit and sewage treatment unit, and this particle grading unit is used for separating into the different granule of particle diameter with soil, and this soil washing unit is used for rinsing the soil particle of after -separating through adding adding medicament and clear water, and the soil after this sewage treatment unit will rinse carries out solid -liquid separation, and backfill the filter cake improvement back of after -separating, and the sewage of after -separating carries out the advanced treatment. The utility model discloses to pollute soil and carry out a lot of particle size grading, then concentrate the target pollutant soil in the particle size range who exists to throw with in the drip washing reactor with drip washing agent mixture to multistage washing is carried out to control under certain condition, the soil that will wash is isolated, backfills or do the advanced treatment, the enrichment waste liquid of pollutant discharge or the retrieval and utilization through handling the back.
Description
Technical field
This utility model, about the cleaning device in field of environment protection, particularly relates to be polluted soil of in soil remediation industry cleaning device.
Background technology
Along with fast development and the country of industry " move back two and enter three " policy adjustment, domestic create substantial amounts of contaminated site urgently repairing and treating.Place soil pollutant sources is extensive, the discharge of industrial pollutants such as including chemical industry, metallurgy, mining, pharmacy.Compared with atmosphere and water pollution, soil pollution has the feature such as chronicity, disguise, harm human health and ecological environment.Therefore, repairing polluted soil, recovers soil and uses function, focus the most both domestic and external and difficulties.
The technology being currently used for soil remediation includes biological restoration, peripheral doses, chemical redemption and combine d bioremediation thereof etc., and repair mode includes in-situ immobilization and showering.Biological restoration includes phytoremediation and microorganism remediation, it is adaptable to the soil that pollution level is lighter, has the features such as repairing efficiency length, low cost；Peripheral doses includes isolation, soil removal and replacement, physics ventilation, thermal desorption etc., it is adaptable to the place that pollution concentration is high, area is little, but is easily destroyed Soil structure, and quantities is big, energy consumption is big, expense high；Chemical remediation technology includes the technology such as soil stabilization/solidification, chemical oxidation, reduction, it is by adding the chemical agent such as stabilizer, Oxidizing and Reducing Agents in soil, by oxidation, reduction, complexation, chelate or the effect such as precipitation, to reduce toxicity and the decomposing organic pollutant of heavy metal.
Traditional soil cleans device and weakens the concept of soil particle diameter classification, is unfavorable for minimizing and the resource of contaminated soil.
Utility model content
In view of this, main purpose of the present utility model is to provide a kind of soil to clean device, physical parameter (including particle diameter distribution, the content of organic matter, pollutant kind etc.) according to contaminated soil carries out equipment flexibly and assembles and cleaning treatment, it is achieved innoxious, the minimizing of contaminated soil and resource.
For reaching above-mentioned purpose, this utility model provides a kind of soil to clean device, it includes gradation unit, soil cleaning unit and sewage treatment unit, this gradation unit for being separated into the granule that particle diameter is different by soil, this soil cleaning unit is for being carried out the soil particle after separating by interpolation medicament and clear water, soil after this sewage treatment unit will clean carries out solid-liquid separation, backfills after the filter cake improvement after separation, and the sewage after separation carries out advanced treating.
Described gradation unit includes linear vibrating screen, feed hopper, rotary screen, fines collecting tank and coarse fodder collecting tank, the lower section of linear vibrating screen is located at by this feed hopper, connected one end of this rotary screen by a conveying worm obliquely below this feed hopper, the other end of this rotary screen connects coarse fodder collecting tank by pipeline, the lower section of this rotary screen connects this fines collecting tank by pipeline, connecting described soil cleaning unit by pipeline below this fines collecting tank, this rotary screen inner top is provided with spray equipment.
Described soil cleaning unit includes purge tank, for toward the chemical pump of adding medicine in purge tank and clear water and the agitator be located in purge tank, this purge tank is connected by pipeline bottom wherein said fines collecting tank, this pipeline is provided with Pulp pump, and described purge tank separately connects described sewage treatment unit by pipeline.
Described sewage treatment unit includes filter press, waste water treatment tank and inclined-plate clarifying basin, this filter press is used for solid-liquid separation, it is provided with filter cake collection device and wastewater collection pond below, this filter cake collection device and wastewater collection pond connect this filter press by pipeline respectively, this wastewater collection pond connects this waste water treatment tank by pipeline, this pipeline is provided with Pulp pump, this waste water treatment tank connects this inclined-plate clarifying basin by pipeline, this pipeline is provided with Pulp pump, wherein this filter press connects described purge tank by another pipeline, this pipeline is provided with Pulp pump.
Described soil cleaning unit also includes hydrocyclone and clean water tank, and this purge tank connects this hydrocyclone by pipeline, and this pipeline is provided with Pulp pump, is connected to this clean water tank by pipeline bottom this hydrocyclone.
Described sewage treatment unit includes the first sheet frame filter press, second sheet frame filter press, waste water treatment tank and inclined-plate clarifying basin, it is equipped with filter cake collection device and wastewater collection pond bottom this first sheet frame filter press and the second sheet frame filter press, this filter cake collection device and wastewater collection pond connect corresponding sheet frame filter press by pipeline respectively, this wastewater collection pond connects this waste water treatment tank by pipeline, this pipeline is provided with Pulp pump, this waste water treatment tank connects this inclined-plate clarifying basin by pipeline, this pipeline is provided with Pulp pump, described clean water tank connects this second sheet frame filter press by pipeline, this pipeline is provided with Pulp pump, the overfall at described hydrocyclone top connects this first sheet frame filter press by pipeline.
Contaminated soil is carried out repeatedly grain size grading by this utility model, then the soil in particle size range present in target contaminant collection is mixed with eluent and be added in drip washing reactor, and control to carry out multistage cleaning under certain condition, washed soil is separated, backfilling or make advanced treating, the waste liquid being enriched pollutant discharges or reuse after treatment.
Accompanying drawing explanation
Fig. 1 is the enforcement view that this utility model soil cleans device；
Fig. 2 is another enforcement view that this utility model soil cleans device.
Detailed description of the invention
For ease of structure of the present utility model, method and the effect that reaches there being further understanding, describe in detail as follows in conjunction with the accompanying drawing preferred embodiment that develops simultaneously.
As shown in Figure 1, soil of the present utility model cleans device and includes gradation unit, soil cleaning unit and sewage treatment unit, this gradation unit for being separated into the granule that particle diameter is different by soil, this soil cleaning unit is for being carried out the soil particle after separating by interpolation medicament and clear water, soil after this sewage treatment unit will clean carries out solid-liquid separation, backfilling after filter cake improvement after separation, the sewage after separation carries out advanced treating.
Wherein gradation unit includes linear vibrating screen 10, feed hopper 11, rotary screen 12, fines collecting tank 13 and coarse fodder collecting tank 14, the lower section of linear vibrating screen 10 is located at by this feed hopper 11, connected one end of this rotary screen 12 by a conveying worm 15 obliquely below this feed hopper 11, the other end of this rotary screen 12 connects coarse fodder collecting tank 14 by pipeline, and the lower section of this rotary screen 12 connects this fines collecting tank 13 by pipeline.When reality is implemented, contaminated soil is dug out from place, by digging machine or forklift, contaminated soil is put into the uncovered topmost of linear vibrating screen 10, in linear vibrating screen 10, carry out soil particle for the first time separate, stone or the building waste of larger particles in contaminated soil can be removed through linear vibrating screen 10 dry screen, this part stone or building waste can crush after simple flushing, carry out recycling as construction material；The soil particle entrance feed hopper 11 that the lower particle diameter of linear vibrating screen 10 sieve is less, it is delivered to rotary screen 12 again after conveying worm 15 simply measures, in rotary screen 12, carry out second time soil particle separate, this rotary screen 12 inner top is provided with spray equipment 120, spray equipment 120 can be sprayed water in rotary screen, by rotation, the soil particle of big particle diameter being screened out cause coarse fodder collecting tank 14 to collect, screening soil out carries out subsequent rinse depending on pollution level；The soil particle of small particle is collected by fines collecting tank 13 as siftage together with water.
Soil cleaning unit of the present utility model includes purge tank 20, for the chemical pump 21 of adding medicine and clear water and the agitator 22 be located in purge tank 20.Wherein connecting this purge tank 20 by pipeline bottom fines collecting tank 13, this pipeline is provided with Pulp pump, and this purge tank 20 connects sewage treatment unit by pipeline.Small particle soil particle in fines collecting tank 13 pumps into purge tank 20 together with water by Pulp pump, adds abluent and a certain amount of clear water by chemical pump 21, and be stirred mixing with agitator 22 in purge tank 20；After agitator 22 stirs certain time, pump into sewage treatment unit by Pulp pump.
Sewage treatment unit in this utility model includes filter press 30, waste water treatment tank 31 and inclined-plate clarifying basin 32, filter cake collection device 33 and wastewater collection pond 34 it is provided with below this filter press 30, this filter cake collection device 33 and wastewater collection pond 34 connect this sheet frame by pipeline respectively and consider press 30, this wastewater collection pond 34 connects this waste water treatment tank 31 by pipeline, this pipeline is provided with Pulp pump, this waste water treatment tank 31 connects this inclined-plate clarifying basin 32 by pipeline, this pipeline is provided with Pulp pump, wherein filter press 30 connects purge tank 20 by another pipeline, this pipeline is provided with Pulp pump.The mixed liquor of the soil particle in this purge tank 20 and medicament clear water is sent into filter press 30 by Pulp pump, solid-liquid separation is carried out in filter press 30, soil filter cake after separation enters filter cake collection device 33, backfill after improved, waste water after separation enters wastewater collection pond 34, entering waste water treatment tank 31 by Pulp pump, and carry out agent-feeding treatment, the waste water after process is collected by inclined-plate clarifying basin 32 and is recycled.
Soil particle secondary separation and one-level is used to clean from the foregoing, soil of the present utility model cleans device, it would however also be possible to employ separating for several times and multistage cleaning.As shown in Figure 2, soil cleaning unit in this utility model also includes hydrocyclone 23 and clean water tank 24, this purge tank 20 connects hydrocyclone 23 by pipeline, and this pipeline is provided with Pulp pump, is connected to clean water tank 24 by pipeline bottom this hydrocyclone 23.The sheet frame filter press of sewage treatment unit the most of the present utility model comprises two, it is respectively the first sheet frame filter press 35 and the second sheet frame filter press 36, being equipped with filter cake collection device 33 and wastewater collection pond 34 bottom first sheet frame filter press 35 and the second sheet frame filter press 36, two wastewater collection ponds connect waste water treatment tank 31 by pipeline respectively.This clean water tank 24 connects the second sheet frame filter press 36 by pipeline, and this pipeline is provided with Pulp pump, and the overfall at this hydrocyclone 23 top connects the first sheet frame filter press 35 by pipeline.After blender stirring certain time in purge tank 20, the mixed liquor of the soil particle in this purge tank 20 and medicament clear water is sent into hydrocyclone 23 by Pulp pump, in hydrocyclone 23, carry out third time soil particle separate, little granular soil enters the first sheet frame filter press 35 together with major part water from overfall discharging, greater particle size soil is by being directly entered clean water tank 24 bottom hydrocyclone 23, and add a certain amount of water, after being stirred mixing certain time by agitator in clean water tank 24, Pulp pump it is pumped to the second sheet frame filter press 36.In this embodiment, first soil cleaning unit carries out first order abluent cleaning in purge tank 20, then carries out second level clean water in clean water tank 24.
Soil washing technology for contaminated soils in this utility model includes the process such as physical fractionation and Chemical cleaning, it it is a kind of showering technology, principle is that the contaminated soil excavated is carried out repeatedly grain size grading, then the soil in particle size range present in target contaminant collection is mixed with eluent and be added in drip washing reactor, and control under certain condition, auxiliary by external force such as stirrings, contaminated soil and eluent is made to have an effect, absorption is eluted in the heavy metal ion of soil particle and colloid surface, after transferring to liquid phase, washed soil is separated, backfill or make advanced treating, the ring waste being enriched pollutant discharges or reuse after treatment.
The above, preferred embodiment the most of the present utility model, it is not intended to limit protection domain of the present utility model.
Claims (6)
1. a soil cleans device, it is characterized in that, it includes gradation unit, soil cleaning unit and sewage treatment unit, this gradation unit for being separated into the granule that particle diameter is different by soil, this soil cleaning unit is for being carried out the soil particle after separating by interpolation medicament and clear water, soil after this sewage treatment unit will clean carries out solid-liquid separation, backfills after the filter cake improvement after separation, and the sewage after separation carries out advanced treating.
2. soil as claimed in claim 1 cleans device, it is characterized in that, described gradation unit includes linear vibrating screen, feed hopper, rotary screen, fines collecting tank and coarse fodder collecting tank, the lower section of linear vibrating screen is located at by this feed hopper, connected one end of this rotary screen by a conveying worm obliquely below this feed hopper, the other end of this rotary screen connects coarse fodder collecting tank by pipeline, the lower section of this rotary screen connects this fines collecting tank by pipeline, described soil cleaning unit is connected by pipeline below this fines collecting tank, this rotary screen inner top is provided with spray equipment.
3. soil as claimed in claim 2 cleans device, it is characterized in that, described soil cleaning unit includes purge tank, for toward the chemical pump of adding medicine in purge tank and clear water and the agitator be located in purge tank, this purge tank is connected by pipeline bottom wherein said fines collecting tank, this pipeline is provided with Pulp pump, and described purge tank separately connects described sewage treatment unit by pipeline.
4. soil as claimed in claim 3 cleans device, it is characterized in that, described sewage treatment unit includes filter press, waste water treatment tank and inclined-plate clarifying basin, this filter press is used for solid-liquid separation, it is provided with filter cake collection device and wastewater collection pond below, this filter cake collection device and wastewater collection pond connect this filter press by pipeline respectively, this wastewater collection pond connects this waste water treatment tank by pipeline, this pipeline is provided with Pulp pump, this waste water treatment tank connects this inclined-plate clarifying basin by pipeline, this pipeline is provided with Pulp pump, wherein this filter press connects described purge tank by another pipeline, this pipeline is provided with Pulp pump.
5. soil as claimed in claim 3 cleans device, it is characterized in that, described soil cleaning unit also includes hydrocyclone and clean water tank, and this purge tank connects this hydrocyclone by pipeline, this pipeline is provided with Pulp pump, is connected to this clean water tank by pipeline bottom this hydrocyclone.
6. soil as claimed in claim 5 cleans device, it is characterized in that, described sewage treatment unit includes the first sheet frame filter press, second sheet frame filter press, waste water treatment tank and inclined-plate clarifying basin, it is equipped with filter cake collection device and wastewater collection pond bottom this first sheet frame filter press and the second sheet frame filter press, this filter cake collection device and wastewater collection pond connect corresponding sheet frame filter press by pipeline respectively, this wastewater collection pond connects this waste water treatment tank by pipeline, this pipeline is provided with Pulp pump, this waste water treatment tank connects this inclined-plate clarifying basin by pipeline, this pipeline is provided with Pulp pump, described clean water tank connects this second sheet frame filter press by pipeline, this pipeline is provided with Pulp pump, the overfall at described hydrocyclone top connects this first sheet frame filter press by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521118840.4U CN205650604U (en) | 2015-12-30 | 2015-12-30 | Soil belt cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521118840.4U CN205650604U (en) | 2015-12-30 | 2015-12-30 | Soil belt cleaning device |
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| CN205650604U true CN205650604U (en) | 2016-10-19 |
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| CN201521118840.4U Active CN205650604U (en) | 2015-12-30 | 2015-12-30 | Soil belt cleaning device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639108A (en) * | 2017-07-21 | 2018-01-30 | 郑旭东 | A kind of Ex-situ washing remediation of heavy-metal contaminated soil |
| CN108326025A (en) * | 2018-03-08 | 2018-07-27 | 浙江绿垚生态环境有限公司 | A kind of cleaning device of quick processing contaminated soil |
| CN108787738A (en) * | 2018-07-24 | 2018-11-13 | 无锡西玖环保科技有限公司 | A kind of special integrated dry powder pharmaceutical injection device of soil in-situ reparation |
| CN108838200A (en) * | 2018-07-11 | 2018-11-20 | 甘灿琼 | A kind of solid-liquid separation treatment formula soil restoring device |
| CN111389900A (en) * | 2020-03-27 | 2020-07-10 | 招商局生态环保科技有限公司 | Contaminated soil solidification and stabilization equipment and method |
| CN112775166A (en) * | 2020-12-01 | 2021-05-11 | 光大环境修复(江苏)有限公司 | Organic-heavy metal combined polluted soil remediation method and device |
-
2015
- 2015-12-30 CN CN201521118840.4U patent/CN205650604U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639108A (en) * | 2017-07-21 | 2018-01-30 | 郑旭东 | A kind of Ex-situ washing remediation of heavy-metal contaminated soil |
| CN108326025A (en) * | 2018-03-08 | 2018-07-27 | 浙江绿垚生态环境有限公司 | A kind of cleaning device of quick processing contaminated soil |
| CN108326025B (en) * | 2018-03-08 | 2020-08-07 | 浙江绿垚生态环境有限公司 | Cleaning device for rapidly treating contaminated soil |
| CN108838200A (en) * | 2018-07-11 | 2018-11-20 | 甘灿琼 | A kind of solid-liquid separation treatment formula soil restoring device |
| CN108787738A (en) * | 2018-07-24 | 2018-11-13 | 无锡西玖环保科技有限公司 | A kind of special integrated dry powder pharmaceutical injection device of soil in-situ reparation |
| CN111389900A (en) * | 2020-03-27 | 2020-07-10 | 招商局生态环保科技有限公司 | Contaminated soil solidification and stabilization equipment and method |
| CN112775166A (en) * | 2020-12-01 | 2021-05-11 | 光大环境修复(江苏)有限公司 | Organic-heavy metal combined polluted soil remediation method and device |
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