CN105363767A - Extracting and injecting combined three-dimensional prevention and control method used for emergency treatment after soil pollution - Google Patents
Extracting and injecting combined three-dimensional prevention and control method used for emergency treatment after soil pollution Download PDFInfo
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- CN105363767A CN105363767A CN201510794531.7A CN201510794531A CN105363767A CN 105363767 A CN105363767 A CN 105363767A CN 201510794531 A CN201510794531 A CN 201510794531A CN 105363767 A CN105363767 A CN 105363767A
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- contaminated soil
- soil body
- control method
- water
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Soil Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to an extracting and injecting combined three-dimensional prevention and control method used for emergency treatment after soil pollution. The method includes the following steps that (1) the following sub-steps of (101) extracting contaminants in polluted soil, (102) constructing a waterproof curtain around the polluted soil, and (103) constructing a bottom rotary spraying surface at the bottom of the polluted soil are executed at the same time; and (2) the waterproof curtain and the bottom rotary spraying surface are connected to form a three-dimensional surrounding structure. Compared with the prior art, the method has the advantages that the method is simple, the construction cost is low, the isolation effect is good, and the like.
Description
Technical field
The present invention relates to a kind of method for emergency processing after soil pollution, especially relate to and a kind ofly take out note in conjunction with three-dimensional preventing control method for emergency processing after soil pollution.
Background technology
In recent years, China's process of industrialization moves forward steadily, the construction of a large amount of factory and modern port has made tremendous contribution for realizing socialist modernization, but chemicals is revealed in recent years, heavy metals emission exceeds standard frequent appearance, paroxysmal soil pollution causes great harm to environment and the people's lives and property, the PORT OF TIANJIN explosion accident on August 12nd, 2015 demonstrates the mishandling surprising consequence of chemicals, the wherein particularly interestingly surface water that causes of 700 tons of Cymags and soil contamination problem, and diameter 100 meters, the hollow place of long-pending full water, wherein 8 points exceeding standard maximum a little exceed standard 277 times, the importance of sudden soil pollution emergency processing highlights again.
For the situation of sudden soil pollution, existing some scholars developed preventing control method, current domestic adopt in-situ solidifying or change the method for filling out contaminated soil is processed, these two kinds of methods take time and effort, and deal with improperly and also may cause secondary pollution.
Summary of the invention
Object of the present invention is exactly provide a kind of after there is soil body burst Pollution to overcome defect that above-mentioned prior art exists, and that effectively can isolate the contaminated soil body takes out note in conjunction with three-dimensional preventing control method.
Object of the present invention can be achieved through the following technical solutions:
Take out note in conjunction with a three-dimensional preventing control method for emergency processing after soil pollution, the method comprises the following steps:
(1) perform following steps: (101) extract contaminated soil body internal contamination thing simultaneously; (102) around the contaminated soil body, construction forms water-stop curtain; (103) bottom the contaminated soil body, construction forms bottom rotary jet face;
(2) water-stop curtain and bottom rotary jet face are connected to form three-dimensional encirclement structure.
Extraction contaminated soil body internal contamination thing described in step (1) is specially employing and takes out dirty treating apparatus and extract contaminated soil body bottom contaminant water and fine grained Polluted Soil, and carry out encapsulation process, pollutant in the contaminated soil body is extracted out and isolation processing by this step in time, avoids it to continue to pollute the soil body and underground water.
Construction around the contaminated soil body described in step (1) forms water-stop curtain and is specially the sealing post adopting high compression set to be sprayed on multiple setting sizes that construction formation connects successively around the contaminated soil body, and each sealing post is connected to form water-stop curtain.
The sealing post that described high compression set is sprayed on multiple setting sizes that construction formation connects successively around the contaminated soil body specifically comprises following sub-step:
(201) around the contaminated soil body, determine the position, multiple hole of high compression set spray work;
(202) hole in position, each hole;
(203) playpipe that high compression set sprays stretches into boring and carries out jet groutinl, forms sealing post.
Described water-stop curtain is the rule or erose water-stop curtain that are formed according to contaminated soil body size.
It is the churning body adopting high-pressure rotary-spray churning below the contaminated soil body to form multiple setting thickness that construction bottom the contaminated soil body described in step (1) forms bottom rotary jet mask body, and each churning body mutually overlaps and forms bottom rotary jet face.
The churning below the contaminated soil body of described high-pressure rotary-spray forms the churning body of multiple setting thickness, specifically comprises following sub-step:
(301) high-pressure rotary-spray is holed at setting station;
(302) shotcrete pipe of high-pressure rotary-spray rises up into boring and carries out rotation whitewashing, simultaneously constantly promotes shotcrete pipe and controls shotcrete pipe hoisting depth, thus forming the churning body of setting thickness.
Compared with prior art, tool of the present invention has the following advantages:
(1) work by taking out dirty treating apparatus, the spray of high compression set and high-pressure rotary-spray three simultaneously, in time the pollutant in the contaminated soil body extracted and isolate, form the solid be made up of water-stop curtain and bottom rotary jet face simultaneously and surround structure, the contaminated soil body of effective isolation, avoid the diffusion of polluting, for carrying out of subsequent treatment work is raced against time.
(2) the method is simple, cost is low, isolation effect is good.
Accompanying drawing explanation
Fig. 1 is that the present invention takes out note in conjunction with the design sketch after three-dimensional preventing control method enforcement;
Fig. 2 is for forming water-stop curtain construction procedure flow chart;
Fig. 3 is for forming bottom rotary jet surface construction flow chart of steps.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
Take out note in conjunction with a three-dimensional preventing control method for emergency processing after soil pollution, the method comprises the following steps: (1) performs following steps simultaneously: (101) extract contaminated soil body internal contamination thing; (102) around the contaminated soil body, construction forms water-stop curtain; (103) bottom the contaminated soil body, construction forms bottom rotary jet face; (2) water-stop curtain and bottom rotary jet face are connected to form three-dimensional encirclement structure, surround effect structure figure as shown in Figure 1 according to the solid that above-mentioned steps completes.
Extraction contaminated soil body internal contamination thing described in described step (1) is specially and extracts contaminated soil body bottom contaminant water and fine grained Polluted Soil with taking out dirty treating apparatus, stretch into contaminated soil body bottom by tubulose or rod like device, the contaminant water within the scope of certain depth and fine grained Polluted Soil are extracted in an obturator and carry out processing or transporting.Pollutant in the contaminated soil body is extracted out and isolation processing by this step in time, avoids it to continue to pollute the soil body and underground water.
As shown in Figure 2, construction around the contaminated soil body described in described step (1) forms water-stop curtain and is specially the sealing post adopting high compression set to be sprayed on multiple setting sizes that construction formation connects successively around the contaminated soil body, each sealing post surrounds water-stop curtain, wherein water-stop curtain is the rule or erose water-stop curtain that are formed according to contaminated soil body size, as circle, square, rectangle etc.The sealing post that described high compression set is sprayed on multiple setting sizes that construction formation connects successively around the contaminated soil body is specially: perform step 201, around the contaminated soil body, the preventing seepage with high-pressure sprayed concrete axis of root Ju design determines the position, multiple hole of high compression set spray work, and carry out mark and protected, position, hole make after by place for the equipment such as rig, high spray booth car, connect water power and also carry out plant equipment debugging; Perform slurrying in step 202, wherein mud materials selects high-quality bentonite or clay; Perform in step 203 simultaneously and hole in individual room: boring adopts mud off, alloy bit convolution is crept into, and bore diameter is 130 ~ 150mm; Perform and in step 204, the playpipe that high compression set sprays is seated in locating hole, close inspection slurry, the unimpeded situation of tracheae before laying playpipe, simultaneously interview is sprayed and injection direction of harmonizing, playpipe should extend set depth downwards on request, its degree of depth sets according to contaminated soil body concrete condition, if playpipe fails down set depth, pipe telephone-moving cleaning bottom of hole again should be played, until the degree of depth of laying of playpipe reaches setting requirement; Perform step 205 and carry out jet groutinl in boring, jet groutinl divides two sequence constructions, when playpipe is after set depth, water, gas, slurry is sent to spray by setup parameter, after every construction parameter reaches regulation and boring has cement mortar to emerge, playpipe can be promoted and carry out normal injection grouting, form sealing post, jet groutinl from bottom to top, complete opening works continuously, if interrupt construction in lifting playpipe process, continue to execute man-hour requirement playpipe is inserted former interruption position under 20cm place restart jet groutinl; Performing in step 205 process the cleaning facility performed in step 206, when holing dark and also can clear water being adopted to rinse flushing well once by playpipe with each construction equipment after 2 ~ 3 borings when working continuously, playpipe proposes aperture and should check nozzle simultaneously, underproof nozzle is changed in time, guarantees normally carrying out of follow-up work; Finally perform step 307, after drilling hole, spraying slip casting being terminated, utilize overfall or cement grout in drilling orifice to recharge, till drilling orifice Starch Level no longer sinks, to ensure water-stop curtain wall height, thus surround the whole contaminated soil body.
As shown in Figure 3, it is the churning body adopting high-pressure rotary-spray churning below the contaminated soil body to form multiple setting thickness that construction bottom the contaminated soil body described in described step (1) forms bottom rotary jet mask body, and each churning body mutually overlaps and forms bottom rotary jet face.Wherein said churning below the contaminated soil body forms the churning body of multiple setting thickness, specifically comprises following sub-step: perform step 301 determines high-pressure rotary-spray work position, multiple hole at contaminated soil body position; Perform slurrying in step 302, by designing the match ratio mixing cement mortar determined, mud materials selects high-quality bentonite or clay; Perform step 303 simultaneously and carry out drill hole of drilling machine, carry out holing to set depth in the position, hole determined in step 301, this degree of depth sets according to the actual conditions of the contaminated soil body; Perform step 304, by the shotcrete pipe of high-pressure rotary-spray; Perform step 305, carry out rotation whitewashing, after shotcrete pipe being sunk to the set depth described in step 303, whitewash in limit, and limit rotates, and constantly promotes shotcrete pipe simultaneously and control shotcrete pipe hoisting depth, thus forming the churning body of setting thickness.
Claims (7)
1. take out note in conjunction with a three-dimensional preventing control method for emergency processing after soil pollution, it is characterized in that, the method comprises the following steps:
(1) perform following steps: (101) extract contaminated soil body internal contamination thing simultaneously; (102) around the contaminated soil body, construction forms water-stop curtain; (103) bottom the contaminated soil body, construction forms bottom rotary jet face;
(2) water-stop curtain and bottom rotary jet face are connected to form three-dimensional encirclement structure.
2. according to claim 1ly a kind ofly take out note in conjunction with three-dimensional preventing control method for emergency processing after soil pollution, it is characterized in that, extraction contaminated soil body internal contamination thing described in step (1) is specially employing and takes out dirty treating apparatus and extract contaminated soil body bottom contaminant water and fine grained Polluted Soil, and carries out encapsulation process.
3. according to claim 1ly a kind ofly take out note in conjunction with three-dimensional preventing control method for emergency processing after soil pollution, it is characterized in that, construction around the contaminated soil body described in step (1) forms water-stop curtain and is specially the sealing post adopting high compression set to be sprayed on multiple setting sizes that construction formation connects successively around the contaminated soil body, and each sealing post is connected to form water-stop curtain.
4. according to claim 3ly a kind ofly take out note in conjunction with three-dimensional preventing control method for emergency processing after soil pollution, it is characterized in that, the sealing post that described high compression set is sprayed on multiple setting sizes that construction formation connects successively around the contaminated soil body specifically comprises following sub-step:
(201) around the contaminated soil body, determine the position, multiple hole of high compression set spray work;
(202) hole in position, each hole;
(203) playpipe that high compression set sprays stretches into boring and carries out jet groutinl, forms sealing post.
5. according to claim 1ly a kind ofly take out note in conjunction with three-dimensional preventing control method for emergency processing after soil pollution, it is characterized in that, described water-stop curtain is the rule or erose water-stop curtain that are formed according to contaminated soil body size.
6. according to claim 1ly a kind ofly take out note in conjunction with three-dimensional preventing control method for emergency processing after soil pollution, it is characterized in that, it is the churning body adopting high-pressure rotary-spray churning below the contaminated soil body to form multiple setting thickness that construction bottom the contaminated soil body described in step (1) forms bottom rotary jet mask body, and each churning body mutually overlaps and forms bottom rotary jet face.
7. according to claim 6ly a kind ofly take out note in conjunction with three-dimensional preventing control method for emergency processing after soil pollution, it is characterized in that, the churning below the contaminated soil body of described high-pressure rotary-spray forms the churning body of multiple setting thickness, specifically comprises following sub-step:
(301) high-pressure rotary-spray is holed at setting station;
(302) shotcrete pipe of high-pressure rotary-spray rises up into boring and carries out rotation whitewashing, simultaneously constantly promotes shotcrete pipe and controls shotcrete pipe hoisting depth, thus forming the churning body of setting thickness.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510794531.7A CN105363767A (en) | 2015-11-18 | 2015-11-18 | Extracting and injecting combined three-dimensional prevention and control method used for emergency treatment after soil pollution |
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| CN201510794531.7A CN105363767A (en) | 2015-11-18 | 2015-11-18 | Extracting and injecting combined three-dimensional prevention and control method used for emergency treatment after soil pollution |
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| CN108372201A (en) * | 2018-03-27 | 2018-08-07 | 中交天航环保工程有限公司 | A kind of high-pressure rotary-spray dosing of organic contamination place original position aoxidizes restorative procedure |
| CN108480373A (en) * | 2018-03-27 | 2018-09-04 | 中交天航环保工程有限公司 | A kind of contaminated sites source blocking method |
| CN109322699A (en) * | 2018-09-29 | 2019-02-12 | 山东省地质矿产勘查开发局八0水文地质工程地质大队 | Pollution isolation blocking technology under a kind of mine |
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| CN109322699A (en) * | 2018-09-29 | 2019-02-12 | 山东省地质矿产勘查开发局八0水文地质工程地质大队 | Pollution isolation blocking technology under a kind of mine |
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Application publication date: 20160302 |