CN105107835A - Contaminated soil treatment equipment through leaching - Google Patents
Contaminated soil treatment equipment through leaching Download PDFInfo
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- CN105107835A CN105107835A CN201510608103.0A CN201510608103A CN105107835A CN 105107835 A CN105107835 A CN 105107835A CN 201510608103 A CN201510608103 A CN 201510608103A CN 105107835 A CN105107835 A CN 105107835A
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- leacheate
- soil
- mud
- shower nozzle
- holding vessel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
Abstract
The invention relates to contaminated soil treatment equipment through leaching. The contaminated soil treatment equipment comprises a crawler-type road roller, a screening and crushing system, a pulping system, a soil treating system and a medicament feed system; the screening and crushing system is used for breaking hard soil blocks in contaminated soil and screening impurities such as rocks and plastic in the contaminated soil; the pulping system is used for further removing large-particle substances in the contaminated soil, so that the treatment amount of the contaminated soil is reduced, and the treatment cost is reduced; through the adoption of the soil treating system, quick remediation of the contaminated soil through leaching is realized; through the adoption of the medicament feed system, the feed of medicaments and reutilization of a leacheate is realized. All materials and devices are mounted on the crawler-type road roller, so that the transportation and the construction are convenient. The contaminated soil treatment equipment integrates functions of soil excavation, soil screening, medicament adding, soil leaching, leacheate reutilization and automatic control, is compact in structure, convenient to operate and high in suitability and efficiency, is suitable for application of large-scale engineering, and can realize efficient and quick remediation of various contaminated sites.
Description
Technical field
The present invention relates to environmental geotechnical technical field, particularly a kind of Polluted Soil elution treatment equipment.
Background technology
Along with the quickening of Chinese society expanding economy and urbanization process, improvement is needed in a large amount of carryover contamination soils badly.National Investigation of Soil Pollution publication display according to Chinese Ministry of Environmental Protection's issue in 2014: national soil environment situation totally allows of no optimist, and some areas soil pollution is heavier, and arable soil environmental quality causes anxiety, industry and mining discarded ground soil environment outstanding problem.The human activity such as industry and mining, agricultural and Environmental Background Values of Soils height are the main causes causing soil pollution or exceed standard.According to statistics, national contaminated arable land about has 1.5 hundred million mu, adds up to and accounts for more than 1/10 of the Chinese arable land gross area.Contaminated land administers one of important environmental problem having become urgently to be resolved hurrily.According to the Strategic Demand of country to contaminated soil stabilisation, innoxious, minimizing, resource development, chemical leaching is the important means that contaminated soil is administered.Contaminated soil chemical leaching technology has fast, efficient, environmental protection, economy and the feature such as simple to operate, can process the pollution earth containing multi-pollutant, emergencing action is given prominence to simultaneously, is widely used in the process of domestic and international contaminated site.Save freight because this technology does not need to carry out carrying to Polluted Soil, reduce the possibility of pollutant environmental exposure simultaneously, therefore, chemical leaching technology will be the Polluted Soil treatment technology extensively adopted from now on.
China's soil remediation industry is started late, soil chemistry drip washing special device for repairing is blank substantially, due to heterogeneity and the complex geological condition of soil, soil heterotopic elution device many employings earth pillar elution method conventional at present, namely contaminated soil is made earth pillar, leacheate is made to infiltrate from the upper end of earth pillar or lower end the effect that soil reaches cleaning, it is long that the method has the drip washing time, the shortcomings such as repairing effect difference, and existing device does not consider the impact for drip washing repairing effect of the recycling of leacheate and temperature mostly, temperature raises, be conducive to the chemical reaction of eluent and pollutant, improve remediation efficiency.
Therefore, soil heterotopic elution device remediation efficiency of the prior art is lower, the cycle is long, cost is high, and poor for applicability.
Summary of the invention
A kind of Polluted Soil elution treatment equipment that the application provides, to solve or part solves in prior art that soil heterotopic elution device remediation efficiency is lower, the cycle is long, cost is high, and technical problem poor for applicability, achieve easy to operate, rational in infrastructure, that environmental suitability strong, the drip washing time is short, treatment effeciency is high technique effect.
This application provides a kind of Polluted Soil elution treatment equipment, comprising:
Crawler type road roller, top is provided with support platform; The end of described support platform is rotationally connected a rotation seat; Described rotation seat is fixedly connected with a digging arm; The hinged broken scraper bowl in end of described digging arm; Described broken scraper bowl is used for broken and excavates Polluted Soil;
Sieving approach system, for being divided into the small particles of pollution soil of setting particle diameter by described Polluted Soil grinding screen; Described sieving approach system comprises: pulverizer, vibratory sieve and collecting bin; Described pulverizer is fixedly connected with described support platform by support; Described pulverizer top arranges charging aperture, and bottom arranges discharging opening; Described Polluted Soil is sent into described charging aperture by rotational by described broken scraper bowl; Described vibratory sieve is arranged on the below of described discharging opening; Described collecting bin is arranged on the below of described vibratory sieve;
Pulping system, for making mud by described small particles of pollution soil; Described pulping system comprises: slurrying storehouse, the first mixer and the first slush pump; Described slurrying storehouse is fixedly installed in described support platform; The outlet of described slurrying storehouse and described collecting bin; It is inner that described first mixer is arranged on described slurrying storehouse; The outlet in slurrying storehouse described in pipeline communication is passed through in the import of described first slush pump;
Soil treatment system, for repairing described mud; Described soil treatment system comprises: leaching bin, the second mixer, the second slush pump, liquid suction pipe, concentrator and Mud Sepa Machine; Described leaching bin is fixedly connected with described support platform; Described leaching bin is communicated with described first mud delivery side of pump; Described second mixer is arranged in described leaching bin; The outlet of leaching bin described in pipeline communication is passed through in the import of described second slush pump; Described concentrator is communicated with described second mud delivery side of pump; Described liquid suction pipe is fixed on the top of described concentrator, and described concentrator is stretched in one end of described liquid suction pipe; The outlet of described concentrator is communicated with described Mud Sepa Machine by pipeline; Described Mud Sepa Machine is for separating of the described mud after reparation;
Medicament feed system, described medicament feed system comprises: leacheate supplying module and aqua supplying module; Described leacheate supplying module comprises: leacheate shower nozzle and leacheate holding vessel; Described leacheate shower nozzle is by leacheate holding vessel described in the first pipeline communication; Described first pipeline is provided with drawing liquid pump and flowmeter; Described leacheate shower nozzle is fixedly installed in described leaching bin; Described leacheate holding vessel is arranged in described support platform; Described aqua supplying module comprises: aqua shower nozzle and aqua holding vessel; Described aqua shower nozzle is communicated with described aqua holding vessel by second pipe; Described second pipe is provided with the 3rd drawing liquid pump and flowmeter; Described aqua shower nozzle is fixedly installed in described slurrying storehouse; Described aqua holding vessel is fixedly installed in described support platform.
As preferably, described treatment facility also comprises: the 3rd mixer, primary sedimentation basin, the first drawing liquid pump and secondary sedimentation tank;
Described primary sedimentation basin and secondary sedimentation tank are fixedly installed in described support platform;
Described primary sedimentation basin is by the liquid outlet of Mud Sepa Machine described in pipeline communication; The other end of described liquid suction pipe is by primary sedimentation basin described in pipeline communication;
Described 3rd mixer is arranged in described primary sedimentation basin;
Primary sedimentation basin described in the inlet communication of described first drawing liquid pump, secondary sedimentation tank described in outlet.
As preferably, described treatment facility also comprises: the second drawing liquid pump, filter and leacheate recycling module;
Described leacheate recycling module comprises: reclaim leacheate shower nozzle and reclaim holding vessel; Described recovery leacheate shower nozzle reclaims holding vessel described in the 3rd pipeline communication; Described 3rd pipeline is provided with drawing liquid pump and flowmeter; Described recovery leacheate shower nozzle is fixedly installed in described leaching bin; Described recovery leacheate shower nozzle and described leacheate shower nozzle are arranged side by side; Described recovery holding vessel is arranged in described support platform;
Secondary sedimentation tank described in the inlet communication of described second drawing liquid pump, reclaims holding vessel described in outlet;
Described filter is arranged on the pipeline between described second drawing liquid pump and described recovery holding vessel.
As preferably, described treatment facility also comprises:
Drug cabinet, is fixedly installed in described support platform;
Described leaching bin is fixed in described support platform by steelframe; Described drug cabinet is arranged on the below of described leaching bin;
Described recovery holding vessel is fixed in described drug cabinet;
Described leacheate holding vessel is fixed in described drug cabinet.
As preferably, described treatment facility also comprises: heavy metal processing module; Described heavy metal processing module comprises: heavy metal treatment agent shower nozzle and heavy metal treatment agent holding vessel;
Described heavy metal treatment agent shower nozzle is by heavy metal treatment agent holding vessel described in the 4th pipeline communication; Described 4th pipeline is provided with drawing liquid pump and flowmeter; Described heavy metal treatment agent shower nozzle is fixedly installed on the inwall of described primary sedimentation basin; Described heavy metal treatment agent holding vessel is fixedly installed in described support platform.
As preferably, described treatment facility also comprises: operation control system; Described operation control system comprises: pipeline controls set cabinet and console;
Described control set cabinet is fixedly installed in described support platform; Described console is arranged on the described top controlling set cabinet;
One end and the described console of described control set cabinet are electrically connected, and the other end and described broken scraper bowl, pulverizer, vibratory sieve, the first mixer, the first slush pump, the second slush pump, concentrator, Mud Sepa Machine, the 3rd mixer, the first drawing liquid pump, the second drawing liquid pump and flowmeter are electrically connected.
As preferably, the top of described vibratory sieve is provided with dust board;
Described leaching bin outer wall is provided with zone of heating; Described zone of heating is outside equipped with heat-insulation layer;
Wherein, described zone of heating passes through heating water bath.
As preferably, the spout of described aqua shower nozzle is perpendicular to the rotating shaft of described first mixer;
The spout of described leacheate shower nozzle is perpendicular to the rotating shaft of described second mixer.
As preferably, described concentrator and described Mud Sepa Machine are fixedly installed in described support platform;
The grout outlet of described concentrator is communicated with by the first mud tube with the stock inlet of described Mud Sepa Machine;
Described Mud Sepa Machine is provided with slag notch; Described slag notch is communicated with the second mud tube;
Wherein, the dregs that described Mud Sepa Machine produces is discharged into assigned address by described second mud tube.
As preferably, described collecting bin is uncovered grooved warehouse, tilts to be fixed on the top in described slurrying storehouse;
Described slurrying storehouse is rectangle warehouse, is fixed in described support platform by steelframe;
The side, top in described slurrying storehouse arranges opening, the outlet of described collecting bin and the open butt joint in described slurrying storehouse;
Described vibratory sieve is fixed on the top of described collecting bin by steelframe;
Described leaching bin is rectangle warehouse.
Polluted Soil elution treatment equipment provided by the invention adopts sieving approach system to carry out pretreatment to Polluted Soil, pulverize the hard clod in the broken Polluted Soil of function, vibratory sieve can sieve out the impurity such as stone, plastics in Polluted Soil, large grained material in further removal Polluted Soil, reduce Polluted Soil treating capacity, save processing cost, made equipment can adapt to the construction of complex working condition.Polluted Soil can fully mix with aqua by pulping system in advance, makes mud.Soil treatment system architecture is reasonable, can realize the quick drip washing of contaminated soil, and concentrator and Mud Sepa Machine by mud quick separating after drip washing, can ensure the quick recycling of leacheate.Medicament feed system includes flow control valve, can according to the actual conditions of Polluted Soil, the addition of strict Non-leaching liquid, simultaneously, and this treatment facility is also provided with leacheate recycling module, leacheate recycling can be realized, repeatedly drip washing both can improve Polluted Soil remediation efficiency, turn avoid and pollute the raising of leacheate post processing cost and the waste of leacheate, heavy metal processing module can remove the heavy metal in leacheate, ensure that the removal efficiency that leacheate reuses, all material and equipment are installed on crawler type road roller, transport easy construction.Polluted Soil in-situ solidifying/stabilizing treatment apparatus of the present invention integrates earth excavation, soil screening, medicament interpolation, uniform stirring, levelling of the land and Automated condtrol, compact conformation, easy to operate, strong adaptability, efficiency are high, can large-scale engineering applications, realize various contaminated site efficient, repair fast.
Accompanying drawing explanation
The configuration diagram of the Polluted Soil elution treatment equipment that Fig. 1 provides for the embodiment of the present invention.
The parts of attached number in the figure representative are followed successively by: 1 crawler type road roller, 2 broken scraper bowls, 3 digging arms, 4 pulverizers, 5 supports, 6 consoles, 7 control set cabinet, 8 dust boards, 9 vibratory sieves, 10 slurrying storehouses, 11 first motors, 12 first mixers, 13 first slush pumps, 14 collecting bins, 15 second motors, 16 second mixers, 17 leaching bins, 18 zones of heating, 19 heat-insulation layers, 20 second slush pumps, 21 liquid suction pipes, 22 concentrators, 23 first mud tubes, 24 drain pipes, 25 Mud Sepa Machines, 26 the 3rd motors, 27 second mud tubes, 28 heavy metal treatment agent holding vessels, 29 the 3rd mixers, 30 the 4th motors, 31 primary sedimentation basins, 32 first drawing liquid pumps, 33 secondary sedimentation tanks, 34 filters, 35 second drawing liquid pumps, 36 reclaim holding vessel, 37 leacheate holding vessels, 38 drug cabinets, 39 aqua shower nozzles, 40 aqua storage tanks, 41 flowmeters, 42 the 3rd drawing liquid pumps.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is explained in further detail:
The embodiment of the present application provides a kind of Polluted Soil elution treatment equipment, solve or part to solve soil heterotopic elution device remediation efficiency in prior art lower, cycle is long, cost is high, and technical problem poor for applicability, by by sieving approach system, pulping system, soil treatment system and medicament feed system arrange on crawler type road roller, Polluted Soil grinding screen is divided into the small particles of pollution soil of setting particle diameter by sieving approach system, small particles of pollution soil is made mud by pulping system, soil treatment system is repaired mud by leacheate, leacheate is supplied soil treatment system by medicament feed system, aqua is supplied pulping system simultaneously, like this, easy to operate, rational in infrastructure, that environmental suitability strong, the drip washing time is short, treatment effeciency is high technique effect is achieved.
See accompanying drawing 1, the embodiment of the present application provides a kind of Polluted Soil elution treatment equipment, comprising: crawler type road roller 1, sieving approach system, pulping system, soil treatment system and medicament feed system.Crawler type road roller 1 top is provided with support platform; The end of support platform is rotationally connected a rotation seat; Rotation seat is fixedly connected with a digging arm 3; The hinged broken scraper bowl 2 in end of digging arm 3; Broken scraper bowl 2 is for fragmentation and excavate Polluted Soil; The output shaft fixed connection of rotation seat and rotation motor, rotation motor work, makes rotation seat drive digging arm 3 and broken scraper bowl 2 relative support platform to rotate.
Sieving approach system is used for small particles of pollution soil Polluted Soil grinding screen being divided into setting particle diameter; Sieving approach system comprises: pulverizer 4, vibratory sieve 9 and collecting bin 14; Pulverizer 4 is fixedly connected with support platform by support 5; Pulverizer 4 top arranges charging aperture, and bottom arranges discharging opening; Polluted Soil is sent into charging aperture by rotational by broken scraper bowl 2; Vibratory sieve 8 is arranged on the below of discharging opening; Collecting bin 14 is arranged on the below of vibratory sieve 9.
Pulping system is used for small particles of pollution soil to make mud; Pulping system comprises: slurrying storehouse 10, first mixer 12 and the first slush pump 13; Slurrying storehouse 10 is fixedly installed in support platform; The outlet of slurrying storehouse 10 and collecting bin 14; It is inner that first mixer 12 is arranged on slurrying storehouse 10, drives work by the first motor 11; The outlet in pipeline communication slurrying storehouse 10 is passed through in the import of the first slush pump 13.
Soil treatment system is for repairing mud; Soil treatment system comprises: leaching bin 17, second mixer 16, second slush pump 20, liquid suction pipe 21, concentrator 22 and Mud Sepa Machine 25; Leaching bin 17 is fixedly connected with support platform; Leaching bin 17 is communicated with the outlet of the first slush pump 13; Second mixer 16 is arranged in leaching bin 17, drives work by the second motor 15; The outlet of pipeline communication leaching bin 17 is passed through in the import of the second slush pump 20; Concentrator 22 is communicated with the outlet of the second slush pump 20; Liquid suction pipe 21 is fixed on the top of concentrator 22, concentrator 22 is stretched in one end of liquid suction pipe 21, the other end is by pipeline communication primary sedimentation basin 31, and wherein drain pipe 24 is arranged on the below of Mud Sepa Machine 25 stock inlet side, and the end of drain pipe 24 is stretched in primary sedimentation basin 31; The outlet of concentrator 22 is communicated with Mud Sepa Machine 25 by pipeline.Mud Sepa Machine 25 drives work by the 3rd motor 26, for separating of the mud after reparation.
Medicament feed system comprises: leacheate supplying module and aqua supplying module; Leacheate supplying module comprises: leacheate shower nozzle and leacheate holding vessel 37; Leacheate shower nozzle is by the first pipeline communication leacheate holding vessel 37; First pipeline is provided with drawing liquid pump and flowmeter; Leacheate shower nozzle is fixedly installed in leaching bin 17; Leacheate holding vessel 37 is arranged in support platform; Aqua supplying module comprises: aqua shower nozzle 39 and aqua holding vessel 40; Aqua shower nozzle 39 is communicated with aqua holding vessel 40 by second pipe; Second pipe is provided with the 3rd drawing liquid pump 42 and flowmeter 41; Aqua shower nozzle 39 is fixed by screws in slurrying storehouse 10; Aqua holding vessel 40 is fixedly installed in support platform.
Further, treatment facility also comprises: the 3rd mixer 29, primary sedimentation basin 31, first drawing liquid pump 32 and secondary sedimentation tank 33; Primary sedimentation basin 31 and secondary sedimentation tank 33 are fixedly installed in support platform; Primary sedimentation basin 31 is by the liquid outlet 24 of pipeline communication Mud Sepa Machine 25; 3rd mixer 29 is arranged in primary sedimentation basin 31, drives work by the 4th motor 30; The inlet communication primary sedimentation basin 31 of the first drawing liquid pump 32, outlet secondary sedimentation tank 33.
Further, treatment facility also comprises: the second drawing liquid pump 35, filter 34 and leacheate recycling module; Leacheate recycling module comprises: reclaim leacheate shower nozzle and reclaim holding vessel 36; Reclaim leacheate shower nozzle and reclaim holding vessel 36 by the 3rd pipeline communication; 3rd pipeline is provided with drawing liquid pump and flowmeter; Reclaiming leacheate shower nozzle is fixedly installed in leaching bin 17, and recovery leacheate shower nozzle and leacheate shower nozzle are arranged side by side; Reclaiming holding vessel 36 is arranged in support platform; The inlet communication secondary sedimentation tank 33 of the second drawing liquid pump 35, outlet reclaims holding vessel 36; Filter 34 is arranged on the second drawing liquid pump 35 and reclaims on the pipeline between holding vessel 36.
Further, treatment facility also comprises: drug cabinet 38; Drug cabinet 38 is fixedly installed in support platform; Leaching bin 17 is fixed in support platform by steelframe; Drug cabinet 38 is arranged on the below of leaching bin 17; Reclaiming holding vessel 36 is fixed in drug cabinet 38; Leacheate holding vessel 37 is fixed in drug cabinet 38.
Further, treatment facility also comprises: heavy metal processing module; Heavy metal processing module comprises: heavy metal treatment agent shower nozzle and heavy metal treatment agent holding vessel 28; Heavy metal treatment agent shower nozzle is by the 4th pipeline communication heavy metal treatment agent holding vessel 28; 4th pipeline is provided with drawing liquid pump and flowmeter; Heavy metal treatment agent shower nozzle is fixedly installed on the inwall of primary sedimentation basin 31; Heavy metal treatment agent holding vessel 28 is fixedly installed in support platform.
Further, treatment facility also comprises: operation control system; Operation control system comprises: pipeline controls set cabinet 7 and console 6; Controlling set cabinet 7 is fixedly installed in support platform; Console 6 is arranged on the top controlling set cabinet 7; The one end and the console 6 that control set cabinet 7 are electrically connected, and the other end and broken scraper bowl 2, pulverizer 4, vibratory sieve 9, first mixer 12, first slush pump 13, second slush pump 20, concentrator 22, Mud Sepa Machine 25, the 3rd mixer 29, first drawing liquid pump 32, second drawing liquid pump 35 and flowmeter are electrically connected.
Further, the top of vibratory sieve 9 is provided with dust board 8; Leaching bin 17 outer wall is provided with zone of heating 18; Zone of heating 18 is outside equipped with heat-insulation layer 19; Wherein, zone of heating 18 passes through heating water bath.
Further, the spout of the second shower nozzle is perpendicular to the rotating shaft of the first mixer 12; The spout of the first shower nozzle is perpendicular to the rotating shaft of the second mixer.
Further, concentrator 22 and Mud Sepa Machine 25 are fixedly installed in support platform; The grout outlet of concentrator 22 is communicated with by the first mud tube 23 with the stock inlet of Mud Sepa Machine 25; Mud Sepa Machine 25 is provided with slag notch; Slag notch is communicated with the second mud tube 27; Wherein, the dregs that Mud Sepa Machine 25 produces is discharged into assigned address by the second mud tube 27.
Further, collecting bin 14 is uncovered grooved warehouse, tilts to be fixed on the top in slurrying storehouse 10; Slurrying storehouse 10 is rectangle warehouse, is fixed in support platform by steelframe; The side, top in slurrying storehouse 10 arranges opening, the outlet of collecting bin 14 and the open butt joint in slurrying storehouse 10; Vibratory sieve 9 is fixed on the top of collecting bin 14 by steelframe; Leaching bin 17 is rectangle warehouse.
Wherein, the pipeline of all connections in this treatment facility is corrosion resistant flexible pipe, is all welded by high-strength stainless steel equal leg angle for the support 5 of securing shredder and other all fixing steelframes.
The operation principle of Polluted Soil elution treatment equipment provided the application below in conjunction with specific embodiment and the operation characteristic of all parts are described in detail:
During construction, first start-up operation control system and control set cabinet 7, pollution mamoty enters in broken scraper bowl 2 by digging arm 3 by crawler type road roller 1; Digging arm 3 rises and rotates 180 ° and moves to directly over pulverizer 4, broken scraper bowl 2 is broken and be sieved in pulverizer 4 by Polluted Soil hard clod, pulverizer 4 starts to electricity and Polluted Soil is ground into granule further simultaneously, Polluted Soil after pulverizing drops on vibratory sieve 9, dust board 8 dust is limited near vibratory sieve 9 among a small circle in, preventing pollution environment, vibratory sieve 9 starts to electricity, vibratory sieve 9 constantly vibrates, large granular impurity in further removal Polluted Soil, small particles of pollution soil falls in slurrying storehouse 10 through collecting bin 14.
Afterwards, aqua supplying module starts to electricity, aqua is extracted out by the 3rd drawing liquid pump 42 from aqua holding vessel 40, aqua is sprayed onto in slurrying storehouse 10 through flowmeter 41 by aqua shower nozzle 39 by aqua, flowmeter 41 controls the volume of aqua, first motor 11 starts to electricity, first motor 11 drives the first mixer 12 to rotate, first mixer 12 constantly stirs and aqua and Polluted Soil is mixed, make mud, first slush pump 13 starts to electricity, mud is extracted in leaching bin 17 by the first slush pump 13 from slurrying storehouse 10, leacheate supplying module starts to electricity, leacheate is extracted out by drawing liquid pump from leacheate holding vessel 37, leacheate is sprayed onto in leaching bin 17 through flowmeter by leacheate shower nozzle by leacheate, the volume of flowmeter Non-leaching liquid, second motor 15 starts to electricity, second motor 15 drives the second mixer 16 to rotate, leacheate is fully mixed with Polluted Soil mud, zone of heating 18 makes to keep higher temperature in leaching bin, accelerate leacheate and Polluted Soil slurry reaction process, heat-insulation layer 19 can reduce heat loss.
After drip washing completes, second slush pump 20 starts to electricity, mud after drip washing is extracted in concentrator 22 by the second slush pump 20 from leaching bin 17, concentrator 22 starts to electricity, mud after drip washing concentrates by concentrator 22 in advance, after having concentrated, supernatant in concentrator 22 is evacuated in primary sedimentation basin 31 by liquid suction pipe 21, mud in concentrator 22 enters in Mud Sepa Machine 25 by the first mud tube 23, 3rd motor 26 starts drive Mud Sepa Machine 25 to electricity and works, mud is separated by Mud Sepa Machine 25, clear liquid enters in primary sedimentation basin 31 by drain pipe 24, body refuse drains into appointment place through slag notch by the second mud tube 27.
Finally, heavy metal processing module starts to electricity, heavy metal treatment agent is extracted out from heavy metal treatment agent holding vessel 28 by drawing liquid pump, through heavy metal treatment agent shower nozzle, heavy metal treatment agent is sprayed onto primary sedimentation basin 31, flowmeter controls the addition of heavy metal treatment agent, 4th motor 30 starts to electricity, 4th motor 30 drives the 3rd mixer 29 to rotate fully to be mixed with ring waste by heavy metal treatment agent, heavy metal ion in ring waste and heavy metal treatment agent are fully reacted, ring waste is evacuated in secondary sedimentation tank 33 by the first drawing liquid pump 32, heavy metal in ring waste is precipitated further, ring waste is evacuated to leacheate and reclaims in holding vessel 36 by the second drawing liquid pump 35 after filter 34 filtration, the particle in ring waste removed further by filter 34, the leacheate ring waste reclaimed in holding vessel 36 passes through to reclaim leacheate sprinkler in leaching bin 17, next stage drip washing operation is completed together with leacheate.
Polluted Soil elution treatment equipment provided by the invention adopts sieving approach system to carry out pretreatment to Polluted Soil, hard clod in the broken Polluted Soil of pulverizer 4 energy, vibratory sieve 9 can sieve out the impurity such as stone, plastics in Polluted Soil, large grained material in further removal Polluted Soil, reduce Polluted Soil treating capacity, save processing cost, made equipment can adapt to the construction of complex working condition.Polluted Soil can fully mix with aqua by pulping system in advance, makes mud.Soil treatment system architecture is reasonable, can realize the quick drip washing of contaminated soil, and concentrator 22 and Mud Sepa Machine 25 by mud quick separating after drip washing, can ensure the quick recycling of leacheate.Medicament feed system includes flow control valve, can according to the actual conditions of Polluted Soil, the addition of strict Non-leaching liquid, simultaneously, and this treatment facility is also provided with leacheate recycling module, leacheate recycling can be realized, repeatedly drip washing both can improve Polluted Soil remediation efficiency, turn avoid and pollute the raising of leacheate post processing cost and the waste of leacheate, heavy metal processing module can remove the heavy metal in leacheate, ensure that the removal efficiency that leacheate reuses, all material and equipment are installed on crawler type road roller 1, transport easy construction.Polluted Soil in-situ solidifying/stabilizing treatment apparatus of the present invention integrates earth excavation, soil screening, medicament interpolation, uniform stirring, levelling of the land and Automated condtrol, compact conformation, easy to operate, strong adaptability, efficiency are high, can large-scale engineering applications, realize various contaminated site efficient, repair fast.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a Polluted Soil elution treatment equipment, is characterized in that, described treatment facility comprises:
Crawler type road roller, top is provided with support platform; The end of described support platform is rotationally connected a rotation seat; Described rotation seat is fixedly connected with a digging arm; The hinged broken scraper bowl in end of described digging arm; Described broken scraper bowl is used for broken and excavates Polluted Soil;
Sieving approach system, for being divided into the small particles of pollution soil of setting particle diameter by described Polluted Soil grinding screen; Described sieving approach system comprises: pulverizer, vibratory sieve and collecting bin; Described pulverizer is fixedly connected with described support platform by support; Described pulverizer top arranges charging aperture, and bottom arranges discharging opening; Described Polluted Soil is sent into described charging aperture by rotational by described broken scraper bowl; Described vibratory sieve is arranged on the below of described discharging opening; Described collecting bin is arranged on the below of described vibratory sieve;
Pulping system, for making mud by described small particles of pollution soil; Described pulping system comprises: slurrying storehouse, the first mixer and the first slush pump; Described slurrying storehouse is fixedly installed in described support platform; The outlet of described slurrying storehouse and described collecting bin; It is inner that described first mixer is arranged on described slurrying storehouse; The outlet in slurrying storehouse described in pipeline communication is passed through in the import of described first slush pump;
Soil treatment system, for repairing described mud; Described soil treatment system comprises: leaching bin, the second mixer, the second slush pump, liquid suction pipe, concentrator and Mud Sepa Machine; Described leaching bin is fixedly connected with described support platform; Described leaching bin is communicated with described first mud delivery side of pump; Described second mixer is arranged in described leaching bin; The outlet of leaching bin described in pipeline communication is passed through in the import of described second slush pump; Described concentrator is communicated with described second mud delivery side of pump; Described liquid suction pipe is fixed on the top of described concentrator, and described concentrator is stretched in one end of described liquid suction pipe; The outlet of described concentrator is communicated with described Mud Sepa Machine by pipeline; Described Mud Sepa Machine is for separating of the described mud after reparation;
Medicament feed system, described medicament feed system comprises: leacheate supplying module and aqua supplying module; Described leacheate supplying module comprises: leacheate shower nozzle and leacheate holding vessel; Described leacheate shower nozzle is by leacheate holding vessel described in the first pipeline communication; Described first pipeline is provided with drawing liquid pump and flowmeter; Described leacheate shower nozzle is fixedly installed in described leaching bin; Described leacheate holding vessel is arranged in described support platform; Described aqua supplying module comprises: aqua shower nozzle and aqua holding vessel; Described aqua shower nozzle is communicated with described aqua holding vessel by second pipe; Described second pipe is provided with the 3rd drawing liquid pump and flowmeter; Described aqua shower nozzle is fixedly installed in described slurrying storehouse; Described aqua holding vessel is fixedly installed in described support platform.
2. treatment facility as claimed in claim 1, is characterized in that,
Described treatment facility also comprises: the 3rd mixer, primary sedimentation basin, the first drawing liquid pump and secondary sedimentation tank;
Described primary sedimentation basin and secondary sedimentation tank are fixedly installed in described support platform;
Described primary sedimentation basin is by the liquid outlet of Mud Sepa Machine described in pipeline communication; The other end of described liquid suction pipe is by primary sedimentation basin described in pipeline communication;
Described 3rd mixer is arranged in described primary sedimentation basin;
Primary sedimentation basin described in the inlet communication of described first drawing liquid pump, secondary sedimentation tank described in outlet.
3. treatment facility as claimed in claim 2, is characterized in that,
Described treatment facility also comprises: the second drawing liquid pump, filter and leacheate recycling module;
Described leacheate recycling module comprises: reclaim leacheate shower nozzle and reclaim holding vessel; Described recovery leacheate shower nozzle reclaims holding vessel described in the 3rd pipeline communication; Described 3rd pipeline is provided with drawing liquid pump and flowmeter; Described recovery leacheate shower nozzle is fixedly installed in described leaching bin; Described recovery leacheate shower nozzle and described leacheate shower nozzle are arranged side by side; Described recovery holding vessel is arranged in described support platform;
Secondary sedimentation tank described in the inlet communication of described second drawing liquid pump, reclaims holding vessel described in outlet;
Described filter is arranged on the pipeline between described second drawing liquid pump and described recovery holding vessel.
4. treatment facility as claimed in claim 3, it is characterized in that, described treatment facility also comprises:
Drug cabinet, is fixedly installed in described support platform;
Described leaching bin is fixed in described support platform by steelframe; Described drug cabinet is arranged on the below of described leaching bin;
Described recovery holding vessel is fixed in described drug cabinet;
Described leacheate holding vessel is fixed in described drug cabinet.
5. treatment facility as claimed in claim 2, is characterized in that,
Described treatment facility also comprises: heavy metal processing module; Described heavy metal processing module comprises: heavy metal treatment agent shower nozzle and heavy metal treatment agent holding vessel;
Described heavy metal treatment agent shower nozzle is by heavy metal treatment agent holding vessel described in the 4th pipeline communication; Described 4th pipeline is provided with drawing liquid pump and flowmeter; Described heavy metal treatment agent shower nozzle is fixedly installed on the inwall of described primary sedimentation basin; Described heavy metal treatment agent holding vessel is fixedly installed in described support platform.
6. treatment facility as claimed in claim 2, is characterized in that,
Described treatment facility also comprises: operation control system; Described operation control system comprises: pipeline controls set cabinet and console;
Described control set cabinet is fixedly installed in described support platform; Described console is arranged on the described top controlling set cabinet;
One end and the described console of described control set cabinet are electrically connected, and the other end and described broken scraper bowl, pulverizer, vibratory sieve, the first mixer, the first slush pump, the second slush pump, concentrator, Mud Sepa Machine, the 3rd mixer, the first drawing liquid pump, the second drawing liquid pump and flowmeter are electrically connected.
7. treatment facility as claimed in claim 1, is characterized in that,
The top of described vibratory sieve is provided with dust board;
Described leaching bin outer wall is provided with zone of heating; Described zone of heating is outside equipped with heat-insulation layer;
Wherein, described zone of heating passes through heating water bath.
8. treatment facility as claimed in claim 1, is characterized in that,
The spout of described aqua shower nozzle is perpendicular to the rotating shaft of described first mixer;
The spout of described leacheate shower nozzle is perpendicular to the rotating shaft of described second mixer.
9. treatment facility as claimed in claim 1, is characterized in that,
Described concentrator and described Mud Sepa Machine are fixedly installed in described support platform;
The grout outlet of described concentrator is communicated with by the first mud tube with the stock inlet of described Mud Sepa Machine;
Described Mud Sepa Machine is provided with slag notch; Described slag notch is communicated with the second mud tube;
Wherein, the dregs that described Mud Sepa Machine produces is discharged into assigned address by described second mud tube.
10. treatment facility as claimed in claim 1, is characterized in that,
Described collecting bin is uncovered grooved warehouse, tilts to be fixed on the top in described slurrying storehouse;
Described slurrying storehouse is rectangle warehouse, is fixed in described support platform by steelframe;
The side, top in described slurrying storehouse arranges opening, the outlet of described collecting bin and the open butt joint in described slurrying storehouse;
Described vibratory sieve is fixed on the top of described collecting bin by steelframe;
Described leaching bin is rectangle warehouse.
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