CN205270326U - Pollute soil eluting repair system - Google Patents
Pollute soil eluting repair system Download PDFInfo
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- CN205270326U CN205270326U CN201520976322.XU CN201520976322U CN205270326U CN 205270326 U CN205270326 U CN 205270326U CN 201520976322 U CN201520976322 U CN 201520976322U CN 205270326 U CN205270326 U CN 205270326U
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- drip washing
- soil
- repair system
- contaminated soil
- broken
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Abstract
The utility model relates to a pollute soil eluting repair system belongs to soil repair technology field, and it has solved the low problem of soil remediation efficiency among the prior art. This pollute soil eluting repair system, including loading attachment, breaker, gas collecting device and leaching device, loading attachment involving vibrations sieve and material loading conveyor belt, conveyor belt one end connect breaker, breaker include broken case, set up in the hank cage of broken incasement, the heating wire, broken roof portion be equipped with feed inlet and suction opening, broken bottom of the case portion be equipped with the discharge gate, above -mentioned gas collecting device is connected to the suction opening, discharge gate below be equipped with unloading conveyor belt, unloading conveyor belt one end be connected with prescreening drip washing device, fine screen drip washing device and effluent treatment plant. This system has soil remediation efficiency height, does not produce advantages such as secondary pollution.
Description
Technical field
The utility model belongs to technical field of soil remediation, it relates to the drip washing repair system of a kind of contaminated soil, particularly a kind of through pretreated contaminated soil drip washing repair system.
Background technology
Along with the quickening of the high speed development of China's economy and urbanization, process of industrialization, China's soil and groundwater pollution problem is also day by day outstanding, especially some industrial enterprises are in process of production due to operation or miscarriage, a large amount of pollutent is caused to enter into surrounding environment, causing serious pollution, metallurgy industry is a wherein important class. Discarded chemical pollution place often occupies valuable city position, can cause great environment and health threat when these places can be used as agricultural or commercial use, thus needs that former industry is abandoned contaminated soil of site and repairs.
The current recovery technique for heavy-metal contaminated soil mainly comprises security landfill method, curing/stabilizing and phytoremediation technology etc.; wherein security landfill technology is not suitable for the region that environment protection is had strict limitation by wilderness area, water conservation district etc., requires that landfill place periphery is enough dissolved contaminated soil without the capacity of environment sensitive target and landfill yard simultaneously. Stabilization/curing technology is reduced risks at stable for pollutent fixing, but not removes; Certain specific heavy metal generally can only be had super accumulation capability by phytoremediation technology, the soil that pollutent is more is then comparatively difficult, in addition because the speed of plant absorption pollutent is very slow, causing repair time very long, therefore this kind of technology is applicable to do not had the land remediation time engineering of strict limitation. The showering of soil is moved out carry out comprehensive reparation by polluting position by soil; Existing showering is directly repaired often in the equipment such as drip washing equipment, thermal desorption equipment, and some is contained to the soil of foreign material, owing to its soil regime is complicated, it is very difficult to reach good repairing effect.
Practical novel content
The purpose of this utility model there are the problems referred to above for existing technology, it is proposed that soil can be carried out pre-treatment by one, the Soil leaching repair system that remediation efficiency is high.
The purpose of this utility model realizes by following technical proposal: a kind of contaminated soil drip washing repair system, comprise feeding device, shredder assembly, gas collector and leaching device, described feeding device comprises vibratory screening apparatus and material loading belt conveyor, described belt conveyor one end connects shredder assembly, described shredder assembly comprises broken case, the cage being arranged in broken case, nichrome wire, described broken box top is provided with opening for feed and suction opening, it is provided with discharge port bottom described broken case, described suction opening connects above-mentioned gas collection device, blanking belt conveyor it is provided with below described discharge port, described blanking belt conveyor one end connects above-mentioned leaching device and wastewater treatment equipment.
In above-mentioned contaminated soil drip washing repair system, above-mentioned leaching device sieves elution device, fine screen elution device at the beginning of comprising.
Soil to be repaired is carried out vibratory screening apparatus and selects big block building waste etc. and manually reject by feeding device, and then it is delivered in broken case by material loading belt conveyor, by cage, bulk soil is carried out fragmentation after entering broken case, meanwhile the nichrome wire in broken case heats, undertaken extracting by the volatile organic contaminant in soil and it is collected in gas collector and processes, complete broken and volatile matter extract after soil fall into by discharge port again and blanking belt conveyor is delivered to elution device carries out drip washing, soil after drip washing is collected, the waste water that drip washing is formed purifies further through wastewater treatment equipment again.
In above-mentioned contaminated soil drip washing repair system, described wastewater treatment equipment comprises acid adding agitated pool, can be pumped in the separating centrifuge that lower end is arranged by slush pump bottom described acid adding agitated pool, described separating centrifuge outlet connects sewage lagoon respectively and adds alkali agitated pool, the described alkali agitated pool afterbody that adds is connected with settling tank, is provided with pressure filter below described settling tank.
By just sieving drip washing, dusting cover drip washing is by the heavy metal ion in soil and other pollutents and is separated to from soil in water, through the acidifying of peracid pond, metal ion is dissolved in water, then through separating centrifuge, the water containing pollutent is separated with the mud removing pollutent; Water containing pollutent is separated with precipitation forms with hydroxide radical reaction after the neutralization in alkali pond from sewage, throw out through flocculation after enter into settling tank precipitate after solid-liquid separation, the water isolated can reclaim for just sieving drip washing, dusting cover drip washing, processes further after sending into pressure filter press filtration after the solid discharge of pollutent.
In above-mentioned contaminated soil drip washing repair system, described pressure filter liquid-phase outlet is connected with clean water basin, is provided with waste residue collecting tank below solid-phase outlet.
In above-mentioned contaminated soil drip washing repair system, described gas collector comprises the pipeline being connected with suction opening, and described pipeline is connected with fiber bag precipitator, blower fan, active carbon adsorber and aiutage in turn.
Volatile matter in soil and dust etc. are processed by gas collector, power is provided by blower fan, by heating, the waste gas evaporated carries out dedusting respectively through fly-ash separator, active carbon adsorber carries out adsorb harmful components and is discharged by aiutage, ensures that expellant gas can not form secondary pollution.
Compared with prior art, soil to be repaired is undertaken carrying out heat treated after break process in advance by this contaminated soil drip washing repair system by shredder assembly, collect to get up to carry out waste gas by the volatile organic contaminant in soil, then the soil after fragmentation is carried out drip washing, improve soil remediation efficiency, drip washing simultaneously is more thorough, the waste water produced through drip washing is processed by Waste Water Treatment again, make waste water can not produce secondary pollution, and the waste water processed can repeated application in drip washing operation, therefore native system has soil remediation efficiency height, do not produce the advantages such as secondary pollution.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1, vibratory screening apparatus; 2, material loading belt conveyor; 3, broken case; 31, cage; 32, opening for feed; 33, discharge port; 4, suction opening; 41, fiber bag precipitator; 42, blower fan; 43, active carbon adsorber; 44, aiutage; 5, blanking belt conveyor; 6, elution device is just sieved; 7, fine screen elution device; 8, acid adding agitated pool; 81, separating centrifuge; 82, alkali agitated pool is added; 83, sewage lagoon; 84, settling tank 85; , pressure filter.
Embodiment
The following is specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.
As shown in Figure 1, this contaminated soil drip washing repair system, comprise feeding device, shredder assembly, gas collector and leaching device, described feeding device comprises vibratory screening apparatus 1 and material loading belt conveyor 2, described belt conveyor one end connects shredder assembly, described shredder assembly comprises broken case 3, the cage 31 being arranged in broken case 3, nichrome wire, described broken case 3 top is provided with opening for feed 33 and suction opening 4, it is provided with discharge port 33 bottom described broken case 3, described suction opening 4 connects above-mentioned gas collection device, it is provided with blanking belt conveyor 5 below described discharge port 33, described blanking belt conveyor 5 one end is connected with above-mentioned leaching device, wastewater treatment equipment. above-mentioned leaching device comprises just sieve elution device 6, fine screen elution device 7, described wastewater treatment equipment comprises acid adding agitated pool 8, can be pumped in the separating centrifuge 81 that lower end is arranged by slush pump bottom described acid adding agitated pool 8, described separating centrifuge 81 exports and connects sewage lagoon 83 respectively and add alkali agitated pool 82, described alkali agitated pool 82 afterbody that adds is connected with settling tank 84, is provided with pressure filter 85 below described settling tank 84. described pressure filter 85 liquid-phase outlet is connected with clean water basin, is provided with waste residue collecting tank below solid-phase outlet. the pipeline that described gas collector comprises with suction opening 4 is connected, described pipeline is connected with fiber bag precipitator 41, blower fan 42, active carbon adsorber 43 and aiutage 44 in turn.
Soil to be repaired is carried out vibratory screening apparatus 1 and selects big block building waste etc. and manually reject by feeding device, and then it is delivered in broken case 3 by material loading belt conveyor 2, by cage 31, bulk soil is carried out fragmentation after entering broken case 3, meanwhile the nichrome wire in broken case 3 heats, undertaken extracting by the volatile organic contaminant in soil and it is collected in gas collector and processes, complete broken and volatile matter extract after soil fall into by discharge port 33 again and blanking belt conveyor 5 is delivered to elution device carries out drip washing, soil after drip washing is collected, the waste water that drip washing is formed purifies further through wastewater treatment equipment again. by just sieving drip washing, dusting cover drip washing, by the heavy metal ion in soil and other pollutents be separated to from soil in water, through the acidifying of peracid pond, metal ion is dissolved in water, then through separating centrifuge 81, the water containing pollutent is separated with the mud removing pollutent, water containing pollutent is separated with precipitation forms with hydroxide radical reaction after the neutralization in alkali pond from sewage, throw out through flocculation after enter into settling tank 84 precipitate after solid-liquid separation, the water isolated can reclaim for just sieving drip washing, dusting cover drip washing, processes further after sending into pressure filter 85 press filtration after the solid discharge of pollutent. volatile matter in soil and dust etc. are processed by gas collector, power is provided by blower fan 42, by heating, the waste gas evaporated carries out dedusting respectively through fly-ash separator, active carbon adsorber 43 carries out adsorb harmful components and is discharged by aiutage 44, ensures that expellant gas can not form secondary pollution.
Soil to be repaired is undertaken carrying out heat treated after break process in advance by this contaminated soil drip washing repair system by shredder assembly, collect to get up to carry out waste gas by the volatile organic contaminant in soil, then the soil after fragmentation is carried out drip washing, improve soil remediation efficiency, drip washing simultaneously is more thorough, the waste water produced through drip washing is processed by Waste Water Treatment again, make waste water can not produce secondary pollution, and the waste water processed can repeated application in drip washing operation, therefore native system has soil remediation efficiency height, does not produce the advantages such as secondary pollution
Specific embodiment described herein is only to the utility model spirit explanation for example. Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by the utility model person of ordinary skill in the field, but can't deviate spirit of the present utility model or surmount the scope that appended claims defines.
Claims (5)
1. a contaminated soil drip washing repair system, comprise feeding device, shredder assembly, gas collector and leaching device, described feeding device comprises vibratory screening apparatus and material loading belt conveyor, described belt conveyor one end connects shredder assembly, described shredder assembly comprises broken case, the strand dragon being arranged in broken case, nichrome wire, described broken box top is provided with opening for feed and suction opening, it is provided with discharge port bottom described broken case, described suction opening connects above-mentioned gas collection device, blanking belt conveyor it is provided with below described discharge port, described blanking belt conveyor one end is connected with above-mentioned leaching device and wastewater treatment equipment.
2. contaminated soil drip washing repair system according to claim 1, it is characterised in that, described leaching device sieves elution device, fine screen elution device at the beginning of comprising.
3. contaminated soil drip washing repair system according to claim 1 and 2, it is characterized in that, described wastewater treatment equipment comprises acid adding agitated pool, can be pumped in the separating centrifuge that lower end is arranged by slush pump bottom described acid adding agitated pool, described separating centrifuge outlet connects sewage lagoon respectively and adds alkali agitated pool, the described alkali agitated pool afterbody that adds is connected with settling tank, is provided with pressure filter below described settling tank.
4. contaminated soil drip washing repair system according to claim 3, it is characterised in that, described pressure filter liquid-phase outlet is connected with clean water basin, is provided with waste residue collecting tank below solid-phase outlet.
5. contaminated soil drip washing repair system according to claim 1 and 2, it is characterised in that, described gas collector comprises the pipeline being connected with suction opening, and described pipeline is connected with fiber bag precipitator, blower fan, active carbon adsorber and aiutage in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520976322.XU CN205270326U (en) | 2015-11-30 | 2015-11-30 | Pollute soil eluting repair system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520976322.XU CN205270326U (en) | 2015-11-30 | 2015-11-30 | Pollute soil eluting repair system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205270326U true CN205270326U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520976322.XU Expired - Fee Related CN205270326U (en) | 2015-11-30 | 2015-11-30 | Pollute soil eluting repair system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964670A (en) * | 2016-07-05 | 2016-09-28 | 湖南艾布鲁环保科技有限公司 | Device and method for recycling ex-site chemical elution-remediating eluate for heavy metal contaminated soil |
| CN106039889A (en) * | 2016-08-11 | 2016-10-26 | 河南豫韩环境治理股份有限公司 | High-pressure spray dedusting system applied to soil restoration process |
| CN106216379A (en) * | 2016-09-05 | 2016-12-14 | 华中科技大学 | A kind of comprehensive leaching repairing method of heavy-metal contaminated soil and system |
| CN107555745A (en) * | 2017-08-30 | 2018-01-09 | 深圳市绿洲生态科技有限公司 | A kind of bioleaching system |
| CN110918636A (en) * | 2019-12-17 | 2020-03-27 | 王凯 | Drip washing device for soil restoration |
| CN113000585A (en) * | 2021-02-01 | 2021-06-22 | 生态环境部南京环境科学研究所 | Composite catalytic oxidation degradation method and device for organochlorine pesticide contaminated soil |
-
2015
- 2015-11-30 CN CN201520976322.XU patent/CN205270326U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964670A (en) * | 2016-07-05 | 2016-09-28 | 湖南艾布鲁环保科技有限公司 | Device and method for recycling ex-site chemical elution-remediating eluate for heavy metal contaminated soil |
| CN106039889A (en) * | 2016-08-11 | 2016-10-26 | 河南豫韩环境治理股份有限公司 | High-pressure spray dedusting system applied to soil restoration process |
| CN106216379A (en) * | 2016-09-05 | 2016-12-14 | 华中科技大学 | A kind of comprehensive leaching repairing method of heavy-metal contaminated soil and system |
| CN106216379B (en) * | 2016-09-05 | 2022-02-15 | 华中科技大学 | Comprehensive leaching remediation method and system for heavy metal contaminated soil |
| CN107555745A (en) * | 2017-08-30 | 2018-01-09 | 深圳市绿洲生态科技有限公司 | A kind of bioleaching system |
| CN110918636A (en) * | 2019-12-17 | 2020-03-27 | 王凯 | Drip washing device for soil restoration |
| CN113000585A (en) * | 2021-02-01 | 2021-06-22 | 生态环境部南京环境科学研究所 | Composite catalytic oxidation degradation method and device for organochlorine pesticide contaminated soil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20171130 |