CN205128590U - Collect preliminary treatment, drip washing in heavy metal contaminated soil prosthetic devices of an organic whole - Google Patents
Collect preliminary treatment, drip washing in heavy metal contaminated soil prosthetic devices of an organic whole Download PDFInfo
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- CN205128590U CN205128590U CN201520930727.XU CN201520930727U CN205128590U CN 205128590 U CN205128590 U CN 205128590U CN 201520930727 U CN201520930727 U CN 201520930727U CN 205128590 U CN205128590 U CN 205128590U
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Abstract
The utility model discloses a collect preliminary treatment, drip washing in heavy metal contaminated soil prosthetic devices of an organic whole divides inner tube, drip washing inner tube, coarse grain drip washing jar to constitute by the jar body, rotary screen, rotatory screening and drip washing inner tube are whole round tank type, lie in a jar body right side, are equipped with sealed upper cover on jar body, the inside upper end of round tank is equipped with the drip washing inner tube that the rotary screen divides the inner tube and connects rather than the lower extreme, the rotary screen divides the inner tube to be equipped with one -level coarse grain screen cloth, second grade coarse grain screen cloth and corresponding and one -level coarse grain discharge gate and second grade coarse grain discharge gate that coarse grain drip washing jar is connected, the bottom be equipped with with the communicating thin grain exports of drip washing inner tube, the drip washing inner tube is equipped with the pressurization shower nozzle that is connected with the leachate inlet tube, coarse grain drip washing jar is located a jar sinistron side, is the cylinder, the built -in pressurization shower nozzle that is connected with the clear water inlet tube, and the bottom is equipped with the coarse grain discharge gate.
Description
Technical field
The utility model relates to remediation of heavy metal-contaminated soil field, is specifically related to a kind of heavy-metal contaminated soil prosthetic device integrating pretreatment, drip washing.
Background technology
Soil is the important environment that the mankind depend on for existence and live, and along with industrialized development, the going deep into of urbanization process, China's Soil Environmental Pollution constantly aggravates.Heavy metal is brought in soil by mankind's activity, makes its content exceed background value, can cause heavy metal pollution of soil, cause the deterioration of the ecological environment.On the one hand, its energy polluted underground water and air, is affected crop and biological growth, and is detrimental to health and life by food chain; On the other hand, because most of heavy metal is relatively stable in soil, it can affect soil physico-chemical property and biological community structure, thus destroys normal soil ecology 26S Proteasome Structure and Function.China's heavy metal pollution place mainly from smelting iron and steel enterprise, mine tailing, and chemical industry solid waste store up field.2014, China's soil pollution always exceeded standard than weighing 16.1%, for reducing the derivative harm that it produces surrounding environment, was the urgent means of current contaminated site recycling to contaminated site reparation.
The method of heavy metal soil remediation mainly contains stabilisation curing technology, Soil leaching technology, and soil moved in improve the original, soil removal and replacement, biology are turned over technology and bioremediation technology.The technological operation of stabilisation curing technology is simple, repairs medicament and is easy to get, can fixed-contamination thing over a period to come, controls its harm, but can not remove pollutant and long-time stability are poor, must long-term tracking pollutant in the environment return.Simply, processing ease, does not but fundamentally remove pollutant, poor effect for soil moved in improve the original, soil removal and replacement, technology of turning over.Bioremediation technology comprises phytoremediation and microorganism remediation, and phytoremediation cost compared with low, little to environmental perturbation, but repairs the degree of depth only for rhizosphere scope, repairing efficiency is long, take effect slow, microorganism remediation is in the laboratory research stage at present mostly, and actual repair application seldom.Chemical leaching recovery technique has long-lasting, the advantage such as ease for operation and high osmosis, and relative to bioremediation technology, the duration is short, efficiency is high; Relative to solidification and stabilization technology, thoroughly can clear up heavy metal, non-secondary pollution risk.But also there is certain shortcoming in it, as: 1, Soil leaching equipment is various, flow process is complicated; 2, liquid-solid ratio is large, and water consumption is large, otherwise drip washing is uneven, and reaction not exclusively.
License notification number is CN204074693U, name is called a kind ofly repairs this central equipment for heavy-metal contaminated soil, comprise connected disintegrating apparatus, vibrosieve equipment, wash stone equipment, sedimentation basin, mixing plant, its soil remediation equipment is various, flow process is complicated.License notification number is CN104646406A, and name is called that a kind of heavy-metal contaminated soil repairs all-in-one, and the particulate matter after screening must take out from corresponding wicket, and mechanical automation degree is not high and easy blocking sieve aperture makes subsequent reactions to complete; Cylinder drip washing need consume a large amount of water and drip washing medicament, increases processing cost.License notification number is CN102240666A, and name is called a kind of heavy metal polluted soil drip washing prosthetic device, does not carry out classification cleaning and in lessivation, muddy water is difficult to Homogeneous phase mixing to contaminated soil particle.
Utility model content
The purpose of this utility model is the shortcoming and defect in order to overcome prior art, provides simple flow, and easy and simple to handle, heavy metals removal is effective, and controllability is strong, a kind of heavy-metal contaminated soil prosthetic device integrating pretreatment, drip washing that automaticity is high.
Integrate a heavy-metal contaminated soil prosthetic device for pretreatment, drip washing, be made up of tank body, rotation screening inner core, drip washing inner core, coarse granule drip washing tank; Described rotation screening and drip washing inner core are overall round can type, and be positioned on the right side of tank body, described tank body is provided with sealing upper cover; Described round can inner upper end is provided with the drip washing inner core rotating screening inner core and be connected with its lower end; The described screening inner core that rotates is provided with one-level coarse granule screen cloth, secondary coarse granule screen cloth and the one-level coarse granule discharging opening be connected with coarse granule drip washing tank accordingly and secondary coarse granule discharging opening, and bottom is provided with the fine grained communicated with drip washing inner core and exports; Described drip washing inner core is provided with the pressurization shower nozzle be connected with leacheate water inlet pipe; Described coarse granule drip washing tank is positioned on the left of tank body, cylindrical, and the built-in pressurization shower nozzle be connected with clear water water inlet pipe, bottom is provided with coarse granule discharging opening.
Further, described upper cover seals up lid for revealing the secrets.
Further, described rotation screening inner core is made up of feeding warehouse, broken roller, ground floor rotary screen, one-level coarse granule discharging opening, second layer rotary screen, secondary coarse granule discharging opening, taper bucket, fine grained discharging opening; Described rotation sieves the feeding warehouse that inner core inner upper end is provided with broken roller, ground floor rotary screen, second layer rotary screen and taper bucket is provided with successively below described feeding warehouse, described ground floor rotary screen is provided with one-level coarse granule discharging opening, described second layer rotary screen is provided with secondary coarse granule discharging opening, and described taper bucket is provided with fine grained discharging opening.
Further, described broken roller is made up of initiatively broken roller and driven broken roller, and the interlaced arrangement of break-up point initiatively on broken roller and driven broken roller, carries out fragmentation to the former contaminated soil of bulky grain.
Further, described ground floor rotary screen, second layer rotary screen are arranged to certain angle of inclination and are sieved inner cylinder rotating work with rotation, and ground floor rotary screen aperture is greater than second layer rotary screen.
Further, the fine grained soil after sieving under the influence of centrifugal force, screws out through fine grained discharging opening, enters drip washing inner core through washed off soil charging aperture bottom described rotation screening inner core conically.
Further, described drip washing inner core comprise washed off soil charging aperture, retain plate, pressurization shower nozzle, packing layer, discharging bin, Soil slurry outlet after drip washing, valve composition; Described drip washing inner core upper end sidewall is provided with fine grained soil charging aperture, and what be arranged with inclination outside the drip washing inner core at described fine grained soil charging aperture place retains plate, retains the fine grained soil treating drip washing; Described drip washing inner core inner upper end is provided with the pressurization shower nozzle be connected with leacheate water inlet pipe, packing layer and discharging bin is provided with successively, for Soil slurry after the drip washing that is connected with mud outflow tube by valve is exported below described discharging bin below described pressurization shower nozzle.
Further, described pressurization shower nozzle is rotary presser shower nozzle.
Further, described packing layer filler is cascade ring plastic filler, piles up to be installed on to rotate in screening inner core in U-shaped irregularity.U-shaped packing layer can make soil be uniformly distributed, and increases the drip washing reaction time.
Utilize the utility model a kind ofly to integrate pretreatment, step that the heavy-metal contaminated soil prosthetic device heavy metal contaminated soil of drip washing carries out repairing be as follows:
Through tentatively removing the heavy-metal contaminated soil of the bigger materials such as stone through entering feeding warehouse, after fragmentation, entering rotary screen at broken roller and dividing inner core.Coarse granule retains at ground floor rotary screen and second layer rotary screen place respectively, coarse granule drip washing tank is entered through one-level coarse granule discharging opening and secondary coarse granule discharging opening, pressurization shower nozzle ejection clear water carries out drip washing to coarse-grained soil, then draw off through coarse granule discharging opening, the coarse granule after cleaning can directly backfill.Fine grained soil after secondary screening, under the turning effort rotating screening inner core, is piled up and screws out from fine grained discharging opening, then entering drip washing inner core via washed off soil charging aperture around taper bucket.In drip washing inner core, packing layer is U-shaped distribution, after soil enters drip washing inner core, can be distributed on filler comparatively fast, uniformly.Simultaneously, the leacheate prepared is sprayed on packing layer fine grained contaminated soil by pressurization shower nozzle, soil becomes mud after drip washing, slurry flows enters discharging bin after packing layer, when mud reaches certain amount, open the by-pass valve control on mud outflow tube, after drip washing, Soil slurry outlet is flowed out, and enters follow-up solid-liquid separating equipment and carries out Separation of Solid and Liquid.
The beneficial effects of the utility model are:
1) this device integrates pretreatment, drip washing, simple flow, simple to operate;
2) upper cover seals up lid for revealing the secrets, and noise pollution and dust can be avoided while being convenient to maintenance to produce secondary pollution;
3) described drip washing inner core top is evenly provided with rotary presser shower nozzle, can carry out comprehensive abundant drip washing by turning effort to contaminated soil, by regulating pressure and flow to control liquid-solid ratio, reduces leacheate consumption;
4) carry out drip washing to contaminated soil gradation, coarse-grained soil carries out clean water, and fine grained soil carries out use leacheate and carries out drip washing, reduces leacheate consumption;
5) adopt packing layer to carry out uniform to fine grained soil, adopt rotary nozzle to carry out hydro-peening to fine grained soil, muddy water is fully contacted, drip washing sufficient reacting, removal efficiency of heavy metals is good;
6) U-shaped packing layer can make soil be uniformly distributed, and increases the drip washing reaction time.
7) liquid-solid ratio can be controlled by valve and Pressure gauge, have that controllability is strong, automaticity high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In accompanying drawing: 1, tank body, 11, upper cover, 2, rotate screening inner core, 21, feeding warehouse, 22, broken roller, 23, ground floor rotary screen, 24, one-level coarse granule discharging opening, 25, second layer rotary screen, 26, secondary coarse granule discharging opening, 27, taper bucket, 28, fine grained discharging opening, 3, drip washing inner core, 31, fine grained charging aperture, 32, retain plate, 33, leacheate water inlet pipe, 34, pressurization shower nozzle, 35, packing layer, 36, discharging bin, 37, Soil slurry outlet after drip washing, 38, mud outflow tube, 4, coarse granule drip washing tank, 41, clear water water inlet pipe, 42, coarse granule discharging opening,
Detailed description of the invention
Below in conjunction with embodiment, detailed description of the invention of the present utility model is described in further detail:
As shown in Figure 1, a kind of heavy-metal contaminated soil prosthetic device integrating pretreatment, drip washing, is made up of tank body 1, rotation screening inner core 2, drip washing inner core 3, coarse granule drip washing tank 4; Described rotation screening inner core 2 and drip washing inner core 3, in overall round can type, are positioned on the right side of tank body 1, and tank body 1 outer wall is provided with sealing upper cover 11; Device inner upper end is provided with the drip washing inner core 3 rotating screening inner core 2 and be connected with its lower end; The described screening inner core 2 that rotates is provided with ground floor rotary screen 23, second layer rotary screen 25 and the one-level coarse granule discharging opening 24 be connected with coarse granule drip washing tank 4 accordingly and secondary coarse granule discharging opening 26, and bottom is provided with the fine grained communicated with drip washing inner core 3 and exports 31; Described drip washing inner core 3 is provided with the pressurization shower nozzle 34 be connected with leacheate water inlet pipe; Described coarse granule drip washing tank 4 is positioned on the left of tank body 1, cylindrical, and the built-in pressurization shower nozzle 34 be connected with clear water water inlet pipe 41, bottom is provided with coarse granule discharging opening 42.
Rotate screening inner core 2 to be made up of feeding warehouse 21, broken roller 22, ground floor rotary screen 23, one-level coarse granule discharging opening 24, ground floor rotary screen 25, secondary coarse granule discharging opening 26, taper bucket 27, fine grained discharging opening 28; Rotate the feeding warehouse 21 that screening inner core inner upper end establishes broken roller, ground floor rotary screen 23, ground floor rotary screen 25 and taper bucket 27 is established successively below feeding warehouse 21, ground floor rotary screen 23 establishes one-level coarse granule discharging opening 24, ground floor rotary screen 25 establishes secondary coarse granule discharging opening 26, and taper bucket 27 establishes fine grained discharging opening 28.
Broken roller 22 is made up of initiatively broken roller and driven broken roller, and the interlaced arrangement of break-up point initiatively on broken roller and driven broken roller, carries out fragmentation to former contaminated soil bulky grain; Ground floor rotary screen 23, ground floor rotary screen 25 are arranged to certain angle of inclination and with the work of rotation screening inner cylinder rotating, ground floor rotary screen 23 aperture is greater than ground floor rotary screen 25; Bottom rotation screening inner core conically, the fine grained soil after sieving under the influence of centrifugal force, screws out through fine grained discharging opening 28, enters drip washing inner core 3 through fine grained charging aperture 31.
Drip washing inner core 3 comprises fine grained charging aperture 31, retains plate 32, pressurization shower nozzle 34, packing layer 35, discharging bin 36, Soil slurry outlet 37 after drip washing, valve composition; Drip washing inner core 3 upper end sidewall establishes fine grained charging aperture 31, and what enclose inclination outside the drip washing inner core 3 at fine grained charging aperture 31 place retains plate 32, retains the fine grained soil treating drip washing; Drip washing inner core 3 inner upper end establishes pressurization shower nozzle 34, pressurization shower nozzle 34 is rotary presser shower nozzle, packing layer 35 and discharging bin 36 is established successively, for Soil slurry after the drip washing that is connected with mud outflow tube 38 by valve exports 37 below discharging bin 36 below pressurization shower nozzle 34.Packing layer 35 filler is cascade ring plastic filler, piles up to be installed on to rotate in screening inner core in U-shaped irregularity.
The above is only preferred embodiment of the present utility model; should be understood that; for the person of ordinary skill of the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as within protection domain of the present utility model.
Claims (9)
1. integrate a heavy-metal contaminated soil prosthetic device for pretreatment, drip washing, it is characterized in that, be made up of tank body, rotation screening inner core, drip washing inner core, coarse granule drip washing tank; Described rotation screening and drip washing inner core are overall round can type, be positioned on the right side of tank body, described tank body establishes Packed upper cover; Described round can inner upper end is provided with the drip washing inner core rotating screening inner core and be connected with its lower end; The described screening inner core that rotates is provided with one-level coarse granule screen cloth, secondary coarse granule screen cloth and the one-level coarse granule discharging opening be connected with coarse granule drip washing tank accordingly and secondary coarse granule discharging opening, and bottom is provided with the fine grained communicated with drip washing inner core and exports; Described drip washing inner core is provided with the pressurization shower nozzle be connected with leacheate water inlet pipe; Described coarse granule drip washing tank is positioned on the left of tank body, cylindrical, and the built-in pressurization shower nozzle be connected with clear water water inlet pipe, bottom is provided with coarse granule discharging opening.
2. a kind of heavy-metal contaminated soil prosthetic device integrating pretreatment, drip washing according to claim 1, it is characterized in that, described upper cover seals up lid for revealing the secrets.
3. a kind of heavy-metal contaminated soil prosthetic device integrating pretreatment, drip washing according to claim 1, it is characterized in that, described rotation screening inner core is made up of feeding warehouse, broken roller, ground floor rotary screen, one-level coarse granule discharging opening, second layer rotary screen, secondary coarse granule discharging opening, taper bucket, fine grained discharging opening; Described rotation sieves the feeding warehouse that inner core inner upper end is provided with broken roller, ground floor rotary screen, second layer rotary screen and taper bucket is provided with successively below described feeding warehouse, described ground floor rotary screen is provided with one-level coarse granule discharging opening, described second layer rotary screen is provided with secondary coarse granule discharging opening, and described taper bucket is provided with fine grained discharging opening.
4. a kind of heavy-metal contaminated soil prosthetic device integrating pretreatment, drip washing according to claim 3, it is characterized in that, described broken roller is made up of initiatively broken roller and driven broken roller, the interlaced arrangement of break-up point initiatively on broken roller and driven broken roller.
5. a kind of heavy-metal contaminated soil prosthetic device integrating pretreatment, drip washing according to claim 3, it is characterized in that, described ground floor rotary screen, second layer rotary screen are arranged to certain angle of inclination and with the work of rotation screening inner cylinder rotating, ground floor rotary screen aperture is greater than second layer rotary screen.
6. a kind of heavy-metal contaminated soil prosthetic device integrating pretreatment, drip washing according to claim 3, is characterized in that, bottom described rotation screening inner core conically.
7. a kind of heavy-metal contaminated soil prosthetic device integrating pretreatment, drip washing according to claim 1, it is characterized in that, described drip washing inner core comprises fine grained soil charging aperture, retains plate, pressurization shower nozzle, packing layer, discharging bin, Soil slurry outlet after drip washing, valve composition; Described drip washing inner core upper end sidewall is provided with fine grained soil charging aperture, and what be arranged with inclination outside the drip washing inner core at described fine grained soil charging aperture place retains plate, retains the fine grained soil treating drip washing; Described drip washing inner core inner upper end is provided with the pressurization shower nozzle be connected with leacheate water inlet pipe, is provided with packing layer and discharging bin successively below described pressurization shower nozzle, for Soil slurry after the drip washing that is connected with mud outflow tube by valve is exported below described discharging bin.
8. a kind of heavy-metal contaminated soil prosthetic device integrating pretreatment, drip washing according to claim 1 or 7, it is characterized in that, described pressurization shower nozzle is rotary presser shower nozzle.
9. a kind of heavy-metal contaminated soil prosthetic device integrating pretreatment, drip washing according to claim 7, it is characterized in that, described packing layer filler is cascade ring plastic filler, piles up to be installed on to rotate in screening inner core in U-shaped irregularity.
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| CN201520930727.XU CN205128590U (en) | 2015-11-20 | 2015-11-20 | Collect preliminary treatment, drip washing in heavy metal contaminated soil prosthetic devices of an organic whole |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964667A (en) * | 2016-06-02 | 2016-09-28 | 朱辉 | Soil remediation method for removing heavy metal lead |
| CN106378356A (en) * | 2016-08-18 | 2017-02-08 | 合肥信诺捷科节能服务有限公司 | Environmental-friendly restoring treatment device for municipal landscaping soil |
| CN106881340A (en) * | 2017-03-14 | 2017-06-23 | 北京建工环境修复股份有限公司 | A kind of administering method in heavy metal pollution farmland |
| CN108262344A (en) * | 2017-12-28 | 2018-07-10 | 江苏盖亚环境科技股份有限公司 | A kind of dystopy elution and the coupling device of solidification and stabilization technology |
| CN108746173A (en) * | 2018-04-27 | 2018-11-06 | 中国工程物理研究院材料研究所 | A kind of more grain size section soil continuous wash screening all-in-one machines |
| CN108856274A (en) * | 2018-06-08 | 2018-11-23 | 佛山舒宜添科技有限公司 | A kind of environment remediation soil remediation equipment |
| CN109092876A (en) * | 2017-06-21 | 2018-12-28 | 中科鼎实环境工程股份有限公司 | Heat strengthens force ventilation processing system and method |
| CN109613130A (en) * | 2018-11-22 | 2019-04-12 | 环境保护部华南环境科学研究所 | Transfer dissolving method and liquid relief component based on bioanalysis detection dioxin sample |
| CN110434169A (en) * | 2019-08-30 | 2019-11-12 | 常德德益环保工程有限公司 | A kind of energy-saving elution equipment of heavy metal-polluted soil improvement facilitating addition medicament |
| CN112756390A (en) * | 2020-12-02 | 2021-05-07 | 莱芜职业技术学院 | Heavy metal contaminated soil pretreatment equipment |
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2015
- 2015-11-20 CN CN201520930727.XU patent/CN205128590U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964667A (en) * | 2016-06-02 | 2016-09-28 | 朱辉 | Soil remediation method for removing heavy metal lead |
| CN106378356A (en) * | 2016-08-18 | 2017-02-08 | 合肥信诺捷科节能服务有限公司 | Environmental-friendly restoring treatment device for municipal landscaping soil |
| CN106881340A (en) * | 2017-03-14 | 2017-06-23 | 北京建工环境修复股份有限公司 | A kind of administering method in heavy metal pollution farmland |
| CN106881340B (en) * | 2017-03-14 | 2020-12-11 | 北京建工环境修复股份有限公司 | Treatment method for heavy metal polluted farmland |
| CN109092876A (en) * | 2017-06-21 | 2018-12-28 | 中科鼎实环境工程股份有限公司 | Heat strengthens force ventilation processing system and method |
| CN108262344A (en) * | 2017-12-28 | 2018-07-10 | 江苏盖亚环境科技股份有限公司 | A kind of dystopy elution and the coupling device of solidification and stabilization technology |
| CN108746173A (en) * | 2018-04-27 | 2018-11-06 | 中国工程物理研究院材料研究所 | A kind of more grain size section soil continuous wash screening all-in-one machines |
| CN108856274A (en) * | 2018-06-08 | 2018-11-23 | 佛山舒宜添科技有限公司 | A kind of environment remediation soil remediation equipment |
| CN108856274B (en) * | 2018-06-08 | 2019-05-14 | 南京融众环境工程研究院有限公司 | A kind of environment remediation soil remediation equipment |
| CN109613130A (en) * | 2018-11-22 | 2019-04-12 | 环境保护部华南环境科学研究所 | Transfer dissolving method and liquid relief component based on bioanalysis detection dioxin sample |
| CN110434169A (en) * | 2019-08-30 | 2019-11-12 | 常德德益环保工程有限公司 | A kind of energy-saving elution equipment of heavy metal-polluted soil improvement facilitating addition medicament |
| CN112756390A (en) * | 2020-12-02 | 2021-05-07 | 莱芜职业技术学院 | Heavy metal contaminated soil pretreatment equipment |
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Address after: 410000 No. 8 Aviation Road, Wangcheng Economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: HUNAN JINLV ENVIRONMENTAL PROTECTION CO., LTD. Address before: 410000 Fourth Floor of Management Committee Office Building of Longping High-tech Park, Furong District, Changsha City, Hunan Province Patentee before: HUNAN JINLV ENVIRONMENTAL PROTECTION CO., LTD. |
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