CN204448807U - A kind of heavy metal-polluted soil and organic compound contaminated disposal plant altogether - Google Patents
A kind of heavy metal-polluted soil and organic compound contaminated disposal plant altogether Download PDFInfo
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- CN204448807U CN204448807U CN201520059125.1U CN201520059125U CN204448807U CN 204448807 U CN204448807 U CN 204448807U CN 201520059125 U CN201520059125 U CN 201520059125U CN 204448807 U CN204448807 U CN 204448807U
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Abstract
The utility model discloses a kind of heavy metal-polluted soil and organic compound contaminated disposal plant altogether, comprise the pretreatment unit connected in turn, thermal analysis apparatus, cooling device, chemical spraying device, oscillation device and conveyer belt, pretreatment unit comprises breaker and screening bucket; Thermal analysis apparatus is rotary kiln, the heat-insulation layer that rotary kiln comprises heating element heater, cylinder and is coated on cylinder; Cooling device comprises the air cooling-down system, heat-exchange system, cooling deacidification device, cyclone dust collector and the bag-type dust collector that connect in turn, and cooling device is all connected with disposal box; Chemical spraying device comprises dosing tower and dosing tank; Oscillation device comprises vibration case, is provided with shower nozzle above vibration case.Organic matter in soil and heavy metal are carried out corporation governance by the utility model, improve remediation efficiency, simplify operation, reduce rehabilitation cost, and have and realize conveniently, energy consumption is low, long service life, has stronger practicality, has wide market prospects.
Description
Technical field
The utility model belongs to soil remediation industry, is specifically related to one and realizes contaminated soil improvement, improve soil property, reduces soil pollution to the heavy metal-polluted soil of harm and organic compound contaminated disposal plant altogether.
Background technology
Thermal desorption is a kind of technology for volatility in soil and semi-volatile organic matter process, this technology will through the contaminated soil input rotary kiln of pretreatment (comprising fragmentation, screening and moisture adjustment etc.), under 300500 ° of C high temperature, impel the organic pollution gasification volatilization in soil, reach the object removing volatility and half volatile organic contaminant in soil.This technology have treatment effeciency high, with low cost, safe, on the soil function impact advantage such as less.At present, engineering construction is less at home for this technology.
Curing/stabilizing technology is the common technology that a kind of heavy metal-polluted soil is repaired, by adding curing/stabilizing medicament in contaminated soil, contaminated soil is mixed with the adhesive that can be agglomerated into solid, thus by contaminant trap or the technology that is fixed in solid structure.The current comparative maturity of this technology, is widely used in heavy metal-polluted soil recovery project.Like product exist deficiency mainly contain following some:
(1) domestic and international thermal desorption technology designs mainly for the soil remediation of volatility and semi-volatile organic matter, and does not process the operation of heavy metal-polluted soil;
(2) thermal desorption technique is separated with solidification and stabilization technique and is processed soil, expends time in, adds cost;
(3) traditional heavy metal-polluted soil solidification/stabilization treatment method, is mainly sprinkled upon on soil to be repaired by medicament paving, and by the mechanical agitation such as digging machine and screening machine, medicament mixing is uneven, reduces regulation effect.
Along with industrialization development, the pollution caused place soil and groundwater in industrial processes is also serious all the more, the relevant regulations put into effect according to national environmental protection portion and regulations, industrial land is changed before purposes and needs the investigation carrying out place soil and underground water pollution situation, there is contaminated soil and underground water need be administered and more after could re-use.Industrial pollution place soil remediation has been subject to the attention of government and society all circles.
Domestic and international improvement for soil organic matter and heavy metal repairs existing more technology at present, can be divided into: physical technique, physical/chemical technology and biotechnology according to the type of skill; Can be divided into according to the position that soil remediation is administered: in-situ immobilization and showering.Because organic matter in soil and heavy metal physicochemical property have very big difference, therefore also there are differences in repairing and treating method, that commonly uses at present for recovery technique organic in soil comprises: the technology such as thermal desorption (thermal desorption), normal temperature desorb (force ventilation), redox, air extracting, cement kiln disposal; The recovery technique main for heavy metal comprises: the technology such as curing/stabilizing, drip washing, cement kiln disposal.
Utility model content
Utility model object: the purpose of this utility model is to solve deficiency of the prior art, provides one to improve remediation efficiency, simplify operation, reduces the heavy metal-polluted soil of rehabilitation cost and organic compound contaminated disposal plant altogether.
Technical scheme: a kind of heavy metal-polluted soil described in the utility model and organic compound contaminated disposal plant altogether, comprise the pretreatment unit connected in turn, thermal analysis apparatus, cooling device, chemical spraying device, oscillation device and conveyer belt, described pretreatment unit comprises breaker and screening bucket; Described thermal analysis apparatus is rotary kiln, and described rotary kiln comprises heating element heater, cylinder and coated heat-insulation layer on which cylinder; Described cooling device comprises the air cooling-down system, heat-exchange system, cooling deacidification device, cyclone dust collector and the bag-type dust collector that connect in turn, and described cooling device is all connected with disposal box; Described chemical spraying device comprises dosing tower and dosing tank; Described oscillation device comprises vibration case, is provided with shower nozzle above described vibration case.
As optimization, described heat-insulation layer adopts aluminum silicate insulation material.
As optimization, the temperature range in described rotary kiln is 300-500 DEG C, and the time of staying of soil in rotary kiln is 10-30 minute.
As optimization, in described dosing tower and dosing tank, be added with solidification and stabilization medicament.
As optimization, described sprinkler water or alkaline solution.
Beneficial effect: the utility model has following beneficial effect:
(1) soil organic matter and heavy metal corporation governance, improve repairing and treating efficiency, simplify reparing process, reduces the duration of repairing, and reduces rehabilitation cost;
(2) soil is after rotary kiln process, and grogs is loose, mixes with curing/stabilizing medicament, is conducive to heavy metal in soil and forms firming body;
(3) soil is transported to oscillator, and soil and curing/stabilizing medicament are mixed, and improves heavy metals immobilization/stabilisation repairing effect;
(4) this technology is applicable to the soil by organic matter and heavy metal pollution combined pollution;
This technology realizes convenient, and energy consumption is low, long service life, has stronger practicality, has wide market prospects.
Accompanying drawing explanation
Fig. 1 is front order processing apparatus structural representation of the present utility model.
Fig. 2 is aftertreatment device structural representation of the present utility model.
Fig. 3 is handling process schematic diagram of the present utility model.
Detailed description of the invention
A kind of heavy metal-polluted soil as depicted in figs. 1 and 2 and organic compound contaminated disposal plant altogether, comprise the pretreatment unit connected in turn, thermal analysis apparatus, cooling device, chemical spraying device, oscillation device and conveyer belt, described pretreatment unit comprises breaker (not shown) and screening bucket 1; Described thermal analysis apparatus is rotary kiln, the heat-insulation layer 4 that described rotary kiln comprises heating element heater 6, cylinder 5 and is coated on described cylinder 5, and described rotary kiln entrance is also provided with charging aperture 3, is also provided with the first conveyer belt 2 between pretreatment unit and thermal analysis apparatus; Described cooling device comprise connect in turn air cooling-down system 8, heat-exchange system 9, cooling deacidification device 11, cyclone dust collector 12 and bag-type dust collector 13, described cooling device is all connected with disposal box 15, air cooling-down system 8 and bag-type dust collector 13 are also connected to the first blower fan 7 and the second blower fan 14, the second conveyer belt 10 is provided with bottom cooling device, second conveyer belt 10 is connected with the 3rd conveyer belt the 16, three conveyer belt 16 and is connected with chemical spraying device; Described chemical spraying device comprises dosing tower 17 and dosing tank 18; Described oscillation device comprises vibration case 20, is provided with shower nozzle 21, is wherein also provided with the 4th conveyer belt 19 between chemical spraying device and oscillation device above described vibration case 20.
As the further optimization of technique scheme, heat-insulation layer adopts aluminum silicate insulation material, and the temperature range in rotary kiln is 300-500 DEG C, and the time of staying of soil in rotary kiln is 10-30 minute.Solidification and stabilization medicament is added with, described sprinkler water or alkaline solution in dosing tower and dosing tank.
As shown in Figure 3, contaminated soil sampling digging machine excavates concrete handling process of the present utility model, uses transport vehicle to be transported to airtight treating in Wagon for medical treatment.Contaminated soil, after the pre-treatments such as fragmentation, screening, is poured thermal desorption system feeding mouth into digging machine, is entered rotary kiln; Rotary kiln uses fuel oil to be fuel, physical and chemical parameter according to pollutant in contaminated soil and soil sets internal temperature and the soil time of staying, contaminated soil can be uniformly heated to the temperature (300-500 DEG C) of setting, and according to setting speed to the conveying of kiln tail, the pollutant during this period in soil fully gasifies volatilization; After disposing in rotary kiln, scorching hot soil falls in soil cooling mixer, after indirect water spray combination cooling, send into discharging opening tape transport in oscillator, and shower nozzle can spray water or alkaline solution, adjustment soil moisture content and pH value.
Claims (5)
1. heavy metal-polluted soil and an organic compound contaminated disposal plant altogether, is characterized in that: comprise the pretreatment unit connected in turn, thermal analysis apparatus, cooling device, chemical spraying device, oscillation device and conveyer belt, described pretreatment unit comprises breaker and screening bucket; Described thermal analysis apparatus is rotary kiln, and described rotary kiln comprises heating element heater, cylinder and coated heat-insulation layer on which cylinder; Described cooling device comprises the air cooling-down system, heat-exchange system, cooling deacidification device, cyclone dust collector and the bag-type dust collector that connect in turn, and described cooling device is all connected with disposal box; Described chemical spraying device comprises dosing tower and dosing tank; Described oscillation device comprises vibration case, is provided with shower nozzle above described vibration case.
2. a kind of heavy metal-polluted soil according to claim 1 and organic compound contaminated disposal plant altogether, is characterized in that: described heat-insulation layer adopts aluminum silicate insulation material.
3. a kind of heavy metal-polluted soil according to claim 1 and organic compound contaminated disposal plant altogether, it is characterized in that: the temperature range in described rotary kiln is 300-500 DEG C, the time of staying of soil in rotary kiln is 10-30 minute.
4. a kind of heavy metal-polluted soil according to claim 1 and organic compound contaminated disposal plant altogether, is characterized in that: be added with solidification and stabilization medicament in described dosing tower and dosing tank.
5. a kind of heavy metal-polluted soil according to claim 1 and organic compound contaminated disposal plant altogether, is characterized in that: described sprinkler water or alkaline solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059125.1U CN204448807U (en) | 2015-01-28 | 2015-01-28 | A kind of heavy metal-polluted soil and organic compound contaminated disposal plant altogether |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059125.1U CN204448807U (en) | 2015-01-28 | 2015-01-28 | A kind of heavy metal-polluted soil and organic compound contaminated disposal plant altogether |
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| CN204448807U true CN204448807U (en) | 2015-07-08 |
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| CN201520059125.1U Expired - Fee Related CN204448807U (en) | 2015-01-28 | 2015-01-28 | A kind of heavy metal-polluted soil and organic compound contaminated disposal plant altogether |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195506A (en) * | 2015-09-29 | 2015-12-30 | 吴睿 | Soil organic matter-heavy metal pollution integrated repair system and method |
| CN105414165A (en) * | 2015-12-30 | 2016-03-23 | 北京高能时代环境技术股份有限公司 | Contaminated soil remediation treatment system |
| CN106216380A (en) * | 2016-08-03 | 2016-12-14 | 中钢集团天澄环保科技股份有限公司 | A kind of High Efficiency Thermal desorption repairs mercurous pollution treatment system and method |
| CN107457267A (en) * | 2017-10-08 | 2017-12-12 | 湖南匡楚科技有限公司 | Soil repair system and its restorative procedure |
| CN107597835A (en) * | 2017-10-08 | 2018-01-19 | 湖南匡楚科技有限公司 | A kind of contaminated soil remediation conveying equipment |
| CN108687128A (en) * | 2018-06-14 | 2018-10-23 | 方碧水 | A kind of soil restoring device |
| CN109675920A (en) * | 2018-12-04 | 2019-04-26 | 北京高能时代环境技术股份有限公司 | Device and method for contaminated soil thermal desorption |
| CN110090857A (en) * | 2019-05-16 | 2019-08-06 | 中科鼎实环境工程有限公司 | Thermal desorption-solidification and stabilization one processing system |
| CN110261195A (en) * | 2019-06-06 | 2019-09-20 | 山东省水利科学研究院 | Screening plant is used in a kind of detection of heavy metal-polluted soil |
| CN111822492A (en) * | 2020-07-30 | 2020-10-27 | 广东佳德环保科技有限公司 | Device system and method for treating petroleum-polluted soil |
| CN111822497A (en) * | 2020-07-30 | 2020-10-27 | 广东佳德环保科技有限公司 | Remediation device system and method for soil organic matter and heavy metal pollution |
-
2015
- 2015-01-28 CN CN201520059125.1U patent/CN204448807U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195506B (en) * | 2015-09-29 | 2018-10-16 | 吴睿 | Soil organic matter-heavy metal pollution integration repair system and method |
| CN105195506A (en) * | 2015-09-29 | 2015-12-30 | 吴睿 | Soil organic matter-heavy metal pollution integrated repair system and method |
| CN105414165A (en) * | 2015-12-30 | 2016-03-23 | 北京高能时代环境技术股份有限公司 | Contaminated soil remediation treatment system |
| CN106216380A (en) * | 2016-08-03 | 2016-12-14 | 中钢集团天澄环保科技股份有限公司 | A kind of High Efficiency Thermal desorption repairs mercurous pollution treatment system and method |
| CN107457267B (en) * | 2017-10-08 | 2024-01-09 | 湖南匡楚科技有限公司 | Soil restoration system and restoration method thereof |
| CN107457267A (en) * | 2017-10-08 | 2017-12-12 | 湖南匡楚科技有限公司 | Soil repair system and its restorative procedure |
| CN107597835A (en) * | 2017-10-08 | 2018-01-19 | 湖南匡楚科技有限公司 | A kind of contaminated soil remediation conveying equipment |
| CN108687128A (en) * | 2018-06-14 | 2018-10-23 | 方碧水 | A kind of soil restoring device |
| CN109675920A (en) * | 2018-12-04 | 2019-04-26 | 北京高能时代环境技术股份有限公司 | Device and method for contaminated soil thermal desorption |
| CN110090857A (en) * | 2019-05-16 | 2019-08-06 | 中科鼎实环境工程有限公司 | Thermal desorption-solidification and stabilization one processing system |
| CN110261195A (en) * | 2019-06-06 | 2019-09-20 | 山东省水利科学研究院 | Screening plant is used in a kind of detection of heavy metal-polluted soil |
| CN111822492A (en) * | 2020-07-30 | 2020-10-27 | 广东佳德环保科技有限公司 | Device system and method for treating petroleum-polluted soil |
| CN111822497A (en) * | 2020-07-30 | 2020-10-27 | 广东佳德环保科技有限公司 | Remediation device system and method for soil organic matter and heavy metal pollution |
| CN111822497B (en) * | 2020-07-30 | 2024-02-06 | 广东佳德环保科技有限公司 | Repairing device system and method for soil organic matter and heavy metal pollution |
| CN111822492B (en) * | 2020-07-30 | 2024-02-06 | 广东佳德环保科技有限公司 | Device system and method for treating petroleum polluted soil |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20170128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |