CN205096230U - Soil organic matter - heavy metal pollution integration repair system - Google Patents
Soil organic matter - heavy metal pollution integration repair system Download PDFInfo
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- CN205096230U CN205096230U CN201520763302.4U CN201520763302U CN205096230U CN 205096230 U CN205096230 U CN 205096230U CN 201520763302 U CN201520763302 U CN 201520763302U CN 205096230 U CN205096230 U CN 205096230U
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- drip washing
- heavy metal
- horizontal drum
- soil
- metal pollution
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Abstract
The utility model discloses a soil organic matter - heavy metal pollution integration repair system, the system includes feed inlet, the pyrolysis equipment of analysing, drip washing equipment and discharge gate, and the pyrolysis equipment of analysing includes motor, drive gear, horizontal cylinder and heating device, and drive gear sets up at the cylinder tip, and electromotor drive drive gear and then drive cylinder rotate, and heating device sets up in the cylinder periphery, still is equipped with the chimney on the cylinder, drip washing equipment includes drip washing main part unit and the leachate unit of batching, in the drip washing main part unit upper end be equipped with with the leachate a plurality of shower nozzles that the unit links to each other of batching, the feed inlet links to each other with the feeding port of cylinder, and the discharging port of cylinder links to each other with the feeding port of drip washing main part unit, and the discharge gate setting is in the bottom of drip washing main part unit. The system provided by the utility model can get rid of organic pollutants thing and heavy metal pollution thing in the soil simultaneously, serialization technology, the centralization is dealt with, area is little, greatly reduced the prosthetic cost of soil.
Description
Technical field
The utility model belongs to technical field of soil remediation, is specifically related to a kind of soil organic matter-heavy metal pollution integration repair system.
Background technology
In recent years, China's heavy metal pollution alarm bell is beaten again and again, from " blood lead event " to " the cadmium rice disturbance " in the shock whole nation, if let alone the lasting generation of heavy metal pollution of soil in rapid succession, according to present development trend, after several years, heavy metal pollution of soil accumulation will aggravate further, once content of beary metal reaches pathogenic degree, situation is just by irremediable.Existing soil restoring technology not only construction cost, operating cost is high, and operational means is complicated, and repairing effect is not high.
The reparation of organic material contaminated soil is the focus and emphasis that soil remediation field is paid close attention to always, and many associated restoration technology are arisen at the historic moment, as biological prosthetic, Soil leaching, soil burning, ultrasonotomography, solvent extraction and electric repairing technique etc.
The dual contaminated land of the combined pollution of soil pollution, especially soil and heavy metal and organic contamination exacerbates difficulty and the cost of soil treatment especially.Still lack at present the effective system simultaneously can removing the organic and heavy metal pollution of soil.
Utility model content
The utility model object be in above-mentioned prior art to the inefficiency of heavy metal-polluted soil-organic composite pollution amelioration, and the problem such as processing cost is high, provide a kind of soil organic matter-heavy metal pollution integration repair system, this system can effective rehabilitating soil, and greatly reduces processing cost.
In order to realize above-mentioned object, the technical solution of the utility model is as follows:
The utility model relates to a kind of soil organic matter-heavy metal pollution integration repair system, comprise charging aperture, pyrolysis device, drip washing equipment and discharging opening, described pyrolysis device comprises motor, travelling gear, chimney, horizontal drum and heater, described travelling gear is arranged on the end of horizontal drum, described motor drives travelling gear and then drives horizontal drum to rotate, described heater is arranged on the periphery of horizontal drum, and described horizontal drum is provided with the exhaust outlet be communicated with chimney; Described drip washing equipment comprises drip washing main unit and leacheate metering device, and in described drip washing main unit, upper end is provided with some shower nozzles, and described leacheate metering device is connected with shower nozzle; Described charging aperture is connected with the charging port of horizontal drum, and the discharging port of described horizontal drum is connected with the charging port of drip washing main unit, and described discharging opening is arranged on the bottom of drip washing main unit.
Preferably, the inclination angle on described horizontal drum and ground is 0.5 ° ~ 3.5 °; The slewing rate of described horizontal drum is 0.3 ~ 2.4r/min.
Preferably, described heater is arranged on the periphery in horizontal drum body of work region, and working region design temperature is 1000 DEG C; The specified heating power of described heater is 24KW.
Preferably, described heater is coated with heat-insulation layer, and described heat-insulation layer is made up of phenol formaldehyde foam layer, EPG glue powder polyphenyl particle layer and BH glue powder polyphenyl particle layer, and described insulation layer thickness is 80 ~ 100mm.
Preferably, described heater is some Si-Mo rod material heating element heaters, and described heating element heater uniform ring is located at horizontal drum periphery, and the axis of described heating element heater parallels with the axis of horizontal drum.
Preferably, described leacheate metering device comprises the leacheate batcher and delivery pump that are connected successively, and described delivery pump is connected by leacheate carrier pipe with the inlet at drip washing main unit top.
Preferably, agitating device is provided with in described leacheate batcher.
Preferably, described drip washing equipment also comprises devil liquor recovery tank, and the inlet of described devil liquor recovery tank is connected by waste liquid conveyance conduit with the liquid outlet of drip washing main unit, and described waste liquid conveyance conduit is provided with waste liquid conveying valve.
Preferably, described charging aperture is connected by defeated native pipe with the charging port of horizontal drum, and described defeated soil pipe is 45 ° with the inclination angle on ground.
Preferably, the sagging type sprinkler tip of described sprinkler selection; Described cylinder selects 310S heat resisting steel material.
The utility model also relates to a kind ofly to be applied system of the present utility model and carries out the method that the integration of soil organic matter-heavy metal pollution repairs, and described method comprises the steps:
A, Thermal desorption process: contaminated soil enters in horizontal drum by charging aperture, drive travelling gear that soil is mixed at horizontal drum interior overturn by motor; Meanwhile, in heater electrified regulation to horizontal drum, temperature maintains 900 ~ 950 DEG C; Now, the organic pollution in cylinder in soil at high temperature resolves into CO
2, steam discharges from chimney;
B, drip washing process: the soil through Thermal desorption process enters bottom drip washing main unit, and leacheate is transported to the top of drip washing main unit by leacheate metering device, is watered the soil top being filled in described Thermal desorption process by shower nozzle;
C, drip washing process terminate, and discharge discarded leacheate, the soil after process is discharged through discharging opening.
Preferably, the discarded leacheate of discharge reclaims through devil liquor recovery tank.
Preferably, the waste liquid in recycling can is through burning process; Meanwhile, process rear clean soil and centrally dispose, and on planting above, plant carries out further phytoremediation.
Compared with prior art, the utility model has following useful achievement:
1, the utility model innovatively achieve soil organic-heavy-metal composite pollution integration repair, compensate for the deficiencies in the prior art, greatly reduce cost and the time of soil remediation, and improve treatment effeciency;
2, the utility model is all mechanized operation due to whole technique, reduces human cost, be conducive to introducing to the market, and floor space is few, can not produces secondary pollution;
3, the system that the utility model provides can remove organic pollutant in soil and heavy metal contaminants simultaneously, continuous process, and centralization is disposed, and greatly reduces the cost of soil remediation.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is soil organic matter of the present utility model-heavy metal pollution integration repair system structural representation;
Wherein, 1, charging aperture; 2, travelling gear; 3, motor; 4, support platform; 5, chimney; 6, heat-insulation layer; 7, heating element heater; 8, horizontal drum; 9, soil carrier pipe; 10, wet soil; 11, drip washing main unit; 12, discharging opening; 13, leacheate carrier pipe; 14, leacheate batcher; 15, delivery pump; 16, leacheate; 17, shower nozzle; 18, conveyer belt; 19, devil liquor recovery tank; 20, waste liquid conveying valve; 21, the soil after repairing.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make certain adjustments and improvements.These all belong to protection domain of the present utility model.
embodiment
The present embodiment relates to a kind of soil organic matter-heavy metal pollution integration repair system, as shown in Figure 1, comprises charging aperture 1, pyrolysis device, drip washing equipment and discharging opening 12;
Described pyrolysis device comprises motor 3, travelling gear 2, support platform 4, horizontal drum 8, chimney 5, heating element heater 7 and heat-insulation layer 6; Motor 3, horizontal drum 8 are separately positioned in support platform 4, and travelling gear 2 is arranged on front end, horizontal drum 8 periphery, and motor 3 drives travelling gear 2 and then drives horizontal drum 8 to overturn; Some heating element heaters 7 are evenly laid in the periphery of the middle working region of horizontal drum 8, the outer integral coating heat-insulation layer 6 of heating element heater 7; Chimney 5 is arranged between horizontal drum 8 end and middle working region, the generation gas of horizontal drum 8 is externally vented by chimney 5, described charging aperture 1 is connected with the charging port of horizontal drum 8 by defeated native pipe, and the discharging port of horizontal drum 8 is connected with the charging port of drip washing equipment by soil carrier pipe 9;
Described drip washing equipment comprises drip washing main unit 11, leacheate carrier pipe 13, leacheate batcher 14, delivery pump 15, shower nozzle 17, conveyer belt 18, devil liquor recovery tank 19 and waste liquid conveying valve 20; The discharging port of horizontal drum 8 is connected with the charging port of drip washing main unit 11 by soil carrier pipe 9, and the wet soil 10 that conveying is come in is deposited in bottom drip washing main unit 11; In drip washing main unit 11, upper end is provided with shower nozzle 17, leacheate 16 in leacheate batcher 14, by delivery pump 15, leacheate carrier pipe 13 (connecting the inlet at delivery pump 15 and drip washing main unit 11 top), is sprayed onto on wet soil 10 through shower nozzle 17; The wet soil of drip washing discharges from discharging opening 12, is transported to the outer place of equipment, forms the soil 21 after repairing through conveyer belt 18; Open the waste liquid be arranged on the liquid-transport pipe-line connecting devil liquor recovery tank 19 import and drip washing main unit 11 liquid outlet and carry valve 20, carry out the recovery of ring waste.
In the present embodiment, contaminated soil enters from charging aperture, bore d on charging aperture
1=1200mm, lower bore d
2=840mm, degree of depth h
1=540mm; Charging aperture is connected by defeated native pipe with the charging port of horizontal drum, and defeated native pipe tilts, inclination angle theta=45 °.
Pyrolysis device described in the present embodiment adopts electrical heating swinging technology, utilizes motor to drive initiatively travelling gear, and then drives driven gear to make drum turning; Apparatus main body (horizontal drum) size 3m*1.3m*1.5m; Cylinder material is 310S heat resisting steel, and cylinder specification is Φ 0.2m*2.5m, and cylinder slewing rate and inclination angle are adjustable in 0.3 ~ 2.4r/min and 0.5 ° ~ 3.5 ° respectively; Cylinder slewing rate and inclination angle are set in the present embodiment respectively at 2r/min and 1.8 °.
Pyrolysis device intermediate roll surrounded surface described in the present embodiment is evenly covered with heating element heater, often arrange 25, totally 35 rows, heating element heater selects Si-Mo rod material, chamber design temperature 1000 DEG C, specified heating power 24KW, and then making temperature in cylinder maintain 900 ~ 950 DEG C, heat-insulation layer is added in outside cylinder as shown in Figure 1, and insulation mainly comprises three kinds of materials, phenol formaldehyde foam, EPG glue powder polyphenyl particle and BH glue powder polyphenyl particle three layers, thickness is respectively 20mm, 30mm and 30mm.Described heating element heater selects Si-Mo rod material.
The chimney that pyrolysis device front end (between travelling gear and body of work region) described in the present embodiment is arranged, chimney height h
2=2500mm, thickness d
3=30mm.The waste gas produced in cylinder is discharged by chimney.
Drip washing main unit input and output material from top to bottom described in the present embodiment, equipment upper end arranges 5 sagging type spray heads, and each spray head arranges switch, controls fountain height and spray rate; Leacheate is prepared burden by leacheate batcher, batcher internal unit stirring rotator.Stirring intensity arranges 1,2 and 3 Three Estates; Leacheate kind is according to the heavy metal difference difference to some extent in concrete soil.
Leacheate is sent to drip washing main unit by delivery pump by the drip washing equipment described in the present embodiment bottom batcher, pump discharge Q=3m
3/ min; The wet soil of drip washing discharges from discharging opening, and be transported to the outer place of equipment through conveyer belt, described conveyer belt arranges heater, temperature T=65 DEG C.
The present embodiment also comprises the recovery of the ring waste after process soil, and the waste liquid after process is collected through Sewage treatment tank, and Ethylene recov carries out final disposal by combustion method, and lime-ash is recycled.In addition, concentrate through the soil that a kind of soil organic matter-heavy metal pollution integration renovation technique is repaired and place, mix some organic fertilizer, then plant upper plant and carry out later stage reparation.
In the process that the present embodiment is carried out, periodic detection discharging opening soil internal contamination thing content.
Further, the system of application the present embodiment carries out soil organic matter-heavy metal pollution integration renovation technique, the steps include:
A, contaminated soil enter in the horizontal drum of pyrolysis device by charging aperture, by motorized pinion, soil are mixed at horizontal drum interior overturn; Heating element heater electrified regulation, the organic pollution in soil at high temperature resolves into CO
2, steam discharges from chimney;
B, through the soil of Thermal desorption process again through drip washing equipment, leacheate prepares the top expecting to be delivered to drip washing equipment by delivery pump according to a certain percentage by batcher, watered by drip washing shower nozzle and be filled in soil top, after a period of time, open waste liquid conveying valve, the discarded leacheate of discharging reclaims through devil liquor recovery tank, and clean soil through discharging opening out;
Waste liquid in C, recycling can is through burning process; Meanwhile, process rear clean soil and centrally dispose, and on planting above, plant carries out further phytoremediation.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (9)
1. soil organic matter-heavy metal pollution integration repair system, it is characterized in that, comprise charging aperture, pyrolysis device, drip washing equipment and discharging opening, described pyrolysis device comprises motor, travelling gear, chimney, horizontal drum and heater, described travelling gear is arranged on the end of horizontal drum, described motor drives travelling gear and then drives horizontal drum to rotate, described heater is arranged on the periphery of horizontal drum, and described horizontal drum is provided with the exhaust outlet be communicated with chimney; Described drip washing equipment comprises drip washing main unit and leacheate metering device, and in described drip washing main unit, upper end is provided with some shower nozzles, and described leacheate metering device is connected with shower nozzle; Described charging aperture is connected with the charging port of horizontal drum, and the discharging port of described horizontal drum is connected with the charging port of drip washing main unit, and described discharging opening is arranged on the bottom of drip washing main unit.
2. soil organic matter according to claim 1-heavy metal pollution integration repair system, it is characterized in that, the inclination angle on described horizontal drum and ground is 0.5 ° ~ 3.5 °; The slewing rate of described horizontal drum is 0.3 ~ 2.4r/min.
3. soil organic matter according to claim 1-heavy metal pollution integration repair system, it is characterized in that, described heater is arranged on the periphery in horizontal drum body of work region, and working region design temperature is 1000 DEG C; The specified heating power of described heater is 24KW.
4. soil organic matter according to claim 1-heavy metal pollution integration repair system, it is characterized in that, described heater is coated with heat-insulation layer, described heat-insulation layer is made up of phenol formaldehyde foam layer, EPG glue powder polyphenyl particle layer and BH glue powder polyphenyl particle layer, and described insulation layer thickness is 80 ~ 100mm.
5. soil organic matter according to claim 1-heavy metal pollution integration repair system, it is characterized in that, described heater is some Si-Mo rod material heating element heaters, described heating element heater uniform ring is located at horizontal drum periphery, and the axis of described heating element heater parallels with the axis of horizontal drum.
6. soil organic matter according to claim 1-heavy metal pollution integration repair system, it is characterized in that, described leacheate metering device comprises the leacheate batcher and delivery pump that are connected successively, and described delivery pump is connected by leacheate carrier pipe with the inlet at drip washing main unit top.
7. soil organic matter according to claim 6-heavy metal pollution integration repair system, is characterized in that, be provided with agitating device in described leacheate batcher.
8. soil organic matter according to claim 1-heavy metal pollution integration repair system, it is characterized in that, described drip washing equipment also comprises devil liquor recovery tank, the inlet of described devil liquor recovery tank is connected by waste liquid conveyance conduit with the liquid outlet of drip washing main unit, and described waste liquid conveyance conduit is provided with waste liquid conveying valve.
9. soil organic matter according to claim 1-heavy metal pollution integration repair system, it is characterized in that, described charging aperture is connected by defeated native pipe with the charging port of horizontal drum, and described defeated soil pipe is 45 ° with the inclination angle on ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520763302.4U CN205096230U (en) | 2015-09-29 | 2015-09-29 | Soil organic matter - heavy metal pollution integration repair system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520763302.4U CN205096230U (en) | 2015-09-29 | 2015-09-29 | Soil organic matter - heavy metal pollution integration repair system |
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| Publication Number | Publication Date |
|---|---|
| CN205096230U true CN205096230U (en) | 2016-03-23 |
Family
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| CN201520763302.4U Expired - Fee Related CN205096230U (en) | 2015-09-29 | 2015-09-29 | Soil organic matter - heavy metal pollution integration repair system |
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Cited By (10)
| 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 |
| CN106807735A (en) * | 2017-01-24 | 2017-06-09 | 中石化炼化工程（集团）股份有限公司 | A kind of method of contaminated soil remediation system adopting recirculating and contaminated soil remediation |
| CN106904811A (en) * | 2017-03-23 | 2017-06-30 | 湖北保灵华环保科技有限公司 | One kind precipitation dewatering system and method |
| CN107185957A (en) * | 2017-06-22 | 2017-09-22 | 华东师范大学 | A kind of soil repair system of quick improvement soil organic matter and heavy metal |
| CN108526207A (en) * | 2018-04-19 | 2018-09-14 | 南安市创培电子科技有限公司 | A kind of soil cleaning equipment |
| CN109226244A (en) * | 2018-11-12 | 2019-01-18 | 江苏省农业科学院 | The in-situ remediation method of heavy metal and organic compound contaminated soil |
| CN111014263A (en) * | 2019-11-22 | 2020-04-17 | 光大环境修复(江苏)有限公司 | System and method for ex-situ industrial remediation of contaminated soil |
| CN111906136A (en) * | 2020-07-14 | 2020-11-10 | 诸暨华匠工程设计咨询有限公司 | Multistage screening dystopy soil drip washing repair equipment |
| 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 |
| CN114226430A (en) * | 2021-11-30 | 2022-03-25 | 国网福建省电力有限公司电力科学研究院 | Modularized device based on composite organic matter contaminated soil remediation process |
-
2015
- 2015-09-29 CN CN201520763302.4U patent/CN205096230U/en not_active Expired - Fee Related
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 |
| CN105195506B (en) * | 2015-09-29 | 2018-10-16 | 吴睿 | Soil organic matter-heavy metal pollution integration repair system and method |
| CN106807735A (en) * | 2017-01-24 | 2017-06-09 | 中石化炼化工程（集团）股份有限公司 | A kind of method of contaminated soil remediation system adopting recirculating and contaminated soil remediation |
| CN106904811A (en) * | 2017-03-23 | 2017-06-30 | 湖北保灵华环保科技有限公司 | One kind precipitation dewatering system and method |
| CN107185957A (en) * | 2017-06-22 | 2017-09-22 | 华东师范大学 | A kind of soil repair system of quick improvement soil organic matter and heavy metal |
| CN108526207A (en) * | 2018-04-19 | 2018-09-14 | 南安市创培电子科技有限公司 | A kind of soil cleaning equipment |
| CN109226244A (en) * | 2018-11-12 | 2019-01-18 | 江苏省农业科学院 | The in-situ remediation method of heavy metal and organic compound contaminated soil |
| CN111014263A (en) * | 2019-11-22 | 2020-04-17 | 光大环境修复(江苏)有限公司 | System and method for ex-situ industrial remediation of contaminated soil |
| CN111906136A (en) * | 2020-07-14 | 2020-11-10 | 诸暨华匠工程设计咨询有限公司 | Multistage screening dystopy soil drip washing repair equipment |
| 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 |
| CN114226430A (en) * | 2021-11-30 | 2022-03-25 | 国网福建省电力有限公司电力科学研究院 | Modularized device based on composite organic matter contaminated soil remediation process |
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Granted publication date: 20160323 Termination date: 20170929 |