CN109409777A - A kind of Groundwater Contamination Risk management-control method based on construction freezing method - Google Patents
A kind of Groundwater Contamination Risk management-control method based on construction freezing method Download PDFInfo
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- 238000007710 freezing Methods 0.000 title claims abstract description 70
- 230000008014 freezing Effects 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 239000003673 groundwater Substances 0.000 title claims abstract description 28
- 238000011109 contamination Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000003911 water pollution Methods 0.000 claims abstract description 29
- 238000012423 maintenance Methods 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 20
- 238000005057 refrigeration Methods 0.000 claims description 15
- 238000004080 punching Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 5
- 230000002169 extracardiac Effects 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000004033 diameter control Methods 0.000 claims description 3
- UPLPHRJJTCUQAY-WIRWPRASSA-N 2,3-thioepoxy madol Chemical compound C([C@@H]1CC2)[C@@H]3S[C@@H]3C[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@](C)(O)[C@@]2(C)CC1 UPLPHRJJTCUQAY-WIRWPRASSA-N 0.000 abstract description 3
- 238000005067 remediation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012954 risk control Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q10/063—Operations research, analysis or management
- G06Q10/0635—Risk analysis of enterprise or organisation activities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/22—Treatment of water, waste water, or sewage by freezing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- General Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
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Abstract
The invention discloses a kind of Groundwater Contamination Risk management-control method based on construction freezing method includes the following steps: to detect pollution level: for determining underground water pollution boundary；It determines construction location: punch position is positioned；Mounting hole pipeline: aperture is mounted on using special pipeline；Freezing plant: the installation and construction of freezing plant is installed；Maintenance monitoring frost zone: maintenance monitoring is carried out to frost zone.The present invention uses the method for frost to form frost zone on entire underground water pollution boundary to achieve the purpose that polluted underground water is prevented to flow, and contamination can be effectively controlled before groundwater remediation；It avoids underground water from continuing flowing to pollute, after underground water is completed to repair, thaw to frost zone, stratum restores not generate compared with havoc or secondary pollution original underground water.
Description
Technical field
The present invention relates to the risk management and control fields of polluted underground water, specifically control polluted underground water based on construction freezing method
The risk management and control method of flowing.
Background technique
It is more and more at present underground water pollution emergency event occur, often through curtain-grouting or construction diaphram wall
Equal measures carry out isolated risk control to underground water, but there are certain areas underground water pollution depth relatively depth or stratum infiltration systems
Situations such as number is smaller, working measure is difficult to achieve the desired results, and is isolated there are notch, there are still outside external diffusions for polluted underground water
Possibility.
Engineering measure of mainstream itself at present also generates destruction to underground water, be filled in stratum a large amount of cement slurry etc. its
He generates the material of pollution to quality of groundwater, secondary pollution is formed, for this purpose, it is proposed that a kind of ground based on construction freezing method
It is lauched pollution risk management-control method.
Summary of the invention
The main purpose of the present invention is to provide a kind of Groundwater Contamination Risk management-control method based on construction freezing method, is adopted
Frost zone is formed to achieve the purpose that polluted underground water is prevented to flow, on ground on entire underground water pollution boundary with the method for frost
Contamination can be effectively controlled before being lauched reparation.
To achieve the above object, the technical scheme adopted by the invention is as follows:
The invention discloses a kind of Groundwater Contamination Risk management-control method based on construction freezing method, includes the following steps:
1) pollution level is detected: for determining underground water pollution boundary；
2) it determines construction location: punch position is positioned；
3) mounting hole pipeline: aperture is mounted on using special pipeline；
4) freezing plant: the installation and construction of freezing plant is installed；
5) maintenance monitoring maintenance monitoring frost zone: is carried out to frost zone.
Preferably, extracting the underground water of different distance in the step 1) using extraction element, it is separated by between sample point
10-15m detects sample with sewage detection instrument, so that it is determined that underground water pollution boundary, determines frost zone position.
Preferably, punch position is apart from underground water pollution boundary after determining underground water pollution boundary in the step 2)
10-20m, carries out punching work above untainted underground water, orifice diameter control in 14-18cm, while punching
5-8m bores several drainings drilling around aperture, and hole is provided with the drainpipe with filter device, with immersible pump or compression pump
Water yield is reduced with lowering of watertable to extracardiac pumping.
Preferably, carrying out leak test work to special pipeline first in the step 3), it is ensured that special pipeline normally makes
With by special pipeline by aperture across water table arrival underground water bottom, special pipeline is that diameter is freezing for 10-14cm
Pipe.
Preferably, the frost radius outside the freezing pipe is 0.5-1m, the distance between freezing pipe is 0.5-1m.
Preferably, installing artificial cooling equipment in the step 4) at aperture, refrigeration equipment and cryovial are interconnected,
Equipment is detected after installing, it is ensured that then the normal operation of equipment carries out actively frost work, cryovial freezes underground water
Freezing curtain is formed, freezing curtain composition freezing wall hanging curtain freezes wall to form freezing wall hanging curtain on underground water pollution boundary
Curtain thickness 1-2m.
Preferably, the artificial cooling equipment includes refrigerator and two cooling towers, refrigerator and two cooling towers are
Main body forms refrigeration system, can carry out actively freezing work after the completion of system debug.
Preferably, to be judged to freeze whether curtain hands over circle and reach design according to observed temperature data in the step 5)
Thickness, manual control refrigeration system keep frozen coating thickness, achieve the purpose that safeguard frost zone.
Compared with prior art, the invention has the following beneficial effects:
Use the method for frost to form frost zone on entire underground water pollution boundary prevents polluted underground water from flowing to reach
Purpose, contamination can be effectively controlled before groundwater remediation；It avoids underground water from continuing flowing to pollute, in underground water
It completes after repairing, thaws to frost zone, stratum restores not generate compared with havoc or secondary pollution original underground water.
Detailed description of the invention
Fig. 1 is a kind of structure chart of the Groundwater Contamination Risk management-control method based on construction freezing method of the present invention.
Fig. 2 is a kind of surface map of the Groundwater Contamination Risk management-control method based on construction freezing method of the present invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment 1
The invention discloses a kind of Groundwater Contamination Risk management-control method based on construction freezing method, includes the following steps:
1) pollution level is detected: for determining underground water pollution boundary；The underground of different distance is extracted using extraction element
Water is separated by 10m between sample point, is detected with sewage detection instrument to sample, so that it is determined that underground water pollution boundary, determines
Frost zone position；
2) it determines construction location: punch position is positioned；Punch position is apart from underground water pollution boundary 10m, not
Punching work is carried out above the underground water of pollution, orifice diameter control is in 14cm, in the 5m around aperture while punching
Several drainings drilling is bored, hole is provided with the drainpipe with filter device, with immersible pump or compression pump to extracardiac pumping, to reduce ground
Lower water level reduces water yield, enhances formation stability；
3) mounting hole pipeline: aperture is mounted on using special pipeline；Leak test work is carried out to special pipeline first, it is ensured that
Special pipeline is passed through water table by aperture and arrives at underground water bottom by the normal use of special pipeline, and special pipeline is straight
Diameter is the freezing pipe of 10cm；Frost radius outside the freezing pipe is 0.5m, and the distance between freezing pipe is 0.5m；
4) freezing plant: the installation and construction of freezing plant is installed；At aperture install artificial cooling equipment, refrigeration equipment with
Cryovial is interconnected, and equipment is detected after installing, it is ensured that and then the normal operation of equipment carries out actively frost work,
Cryovial freezes Groundwater formation and freezes curtain, freezing curtain composition freezing wall hanging curtain, to be formed on underground water pollution boundary
Wall hanging curtain is freezed, wall hanging curtain thickness 1m is freezed；The artificial cooling equipment includes refrigerator and two cooling towers, refrigerator and two
Refrigeration system is formed based on platform cooling tower, can carry out actively freezing work after the completion of system debug；
5) maintenance monitoring maintenance monitoring frost zone: is carried out to frost zone；Freezing curtain is judged according to observed temperature data
Whether friendship circle and design thickness is reached, manual control refrigeration system keeps frozen coating thickness, achievees the purpose that safeguard frost zone.
Embodiment 2
The invention discloses a kind of Groundwater Contamination Risk management-control method based on construction freezing method, includes the following steps:
1) pollution level is detected: for determining underground water pollution boundary；The underground of different distance is extracted using extraction element
Water is separated by 13m between sample point, is detected with sewage detection instrument to sample, so that it is determined that underground water pollution boundary, determines
Frost zone position；
2) it determines construction location: punch position is positioned；Punch position is positioned；Punch position is apart from underground
Water pollution boundary 15m, carries out punching work above untainted underground water, and orifice diameter is controlled in 16cm, in the same of punching
When around aperture 6m bore several drainings with drilling, hole is provided with the drainpipe with filter device, with immersible pump or calms the anger
It pumps to extracardiac pumping, with lowering of watertable, reduces water yield, enhance formation stability；
3) mounting hole pipeline: aperture is mounted on using special pipeline；Leak test work is carried out to special pipeline first, it is ensured that
Special pipeline is passed through water table by aperture and arrives at underground water bottom by the normal use of special pipeline, and special pipeline is straight
Diameter is the freezing pipe of 12cm；Frost radius outside the freezing pipe is 0.8m, and the distance between freezing pipe is 0.8m；
4) freezing plant: the installation and construction of freezing plant is installed；At aperture install artificial cooling equipment, refrigeration equipment with
Cryovial is interconnected, and equipment is detected after installing, it is ensured that and then the normal operation of equipment carries out actively frost work,
Cryovial freezes Groundwater formation and freezes curtain, freezing curtain composition freezing wall hanging curtain, to be formed on underground water pollution boundary
Wall hanging curtain is freezed, wall hanging curtain thickness 1.5m is freezed；The artificial cooling equipment includes refrigerator and two cooling towers, refrigerator and
Refrigeration system is formed based on two cooling towers, can carry out actively freezing work after the completion of system debug；
5) maintenance monitoring maintenance monitoring frost zone: is carried out to frost zone；Freezing curtain is judged according to observed temperature data
Whether friendship circle and design thickness is reached, manual control refrigeration system keeps frozen coating thickness, achievees the purpose that safeguard frost zone.
Embodiment 3
The invention discloses a kind of Groundwater Contamination Risk management-control method based on construction freezing method, includes the following steps:
1) pollution level is detected: for determining underground water pollution boundary；The underground of different distance is extracted using extraction element
Water is separated by 15m between sample point, is detected with sewage detection instrument to sample, so that it is determined that underground water pollution boundary, determines
Frost zone position；
2) it determines construction location: punch position is positioned；Punch position is positioned；Punch position is apart from underground
Water pollution boundary 20m, carries out punching work above untainted underground water, and orifice diameter is controlled in 18cm, in the same of punching
When around aperture 8m bore several drainings with drilling, hole is provided with the drainpipe with filter device, with immersible pump or calms the anger
It pumps to extracardiac pumping, with lowering of watertable, reduces water yield, enhance formation stability；
3) mounting hole pipeline: aperture is mounted on using special pipeline；Leak test work is carried out to special pipeline first, it is ensured that
Special pipeline is passed through water table by aperture and arrives at underground water bottom by the normal use of special pipeline, and special pipeline is straight
Diameter is the freezing pipe of 14cm；Frost radius outside the freezing pipe is 1m, and the distance between freezing pipe is 1m；
4) freezing plant: the installation and construction of freezing plant is installed；At aperture install artificial cooling equipment, refrigeration equipment with
Cryovial is interconnected, and equipment is detected after installing, it is ensured that and then the normal operation of equipment carries out actively frost work,
Cryovial freezes Groundwater formation and freezes curtain, freezing curtain composition freezing wall hanging curtain, to be formed on underground water pollution boundary
Wall hanging curtain is freezed, wall hanging curtain thickness 2m is freezed；The artificial cooling equipment includes refrigerator and two cooling towers, refrigerator and two
Refrigeration system is formed based on platform cooling tower, can carry out actively freezing work after the completion of system debug；
5) maintenance monitoring maintenance monitoring frost zone: is carried out to frost zone；Freezing curtain is judged according to observed temperature data
Whether friendship circle and design thickness is reached, manual control refrigeration system keeps frozen coating thickness, achievees the purpose that safeguard frost zone.
Table 1 is that a kind of Groundwater Contamination Risk management-control method based on construction freezing method obtained to embodiment 1-3 carries out
Performance test is extracted uncontaminated underground water and is detected, test result is as follows table:
Table 1
By 1 experimental data of table it is found that a kind of Groundwater Contamination Risk based on construction freezing method that the application is prepared
Management-control method uses the method for frost to form frost zone on entire underground water pollution boundary to reach and prevent polluted underground water flowing
Purpose, contamination can be effectively controlled before groundwater remediation；It avoids underground water from continuing flowing to pollute, in underground water
It completes after repairing, thaws to frost zone, stratum restores not generate compared with havoc or secondary pollution original underground water,
Multiple inspection data is drawn a conclusion, and separately embodiment 3 is optimal selection as shown in Table 1.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of Groundwater Contamination Risk management-control method based on construction freezing method, characterized by the following steps:
1) pollution level is detected: for determining underground water pollution boundary；
2) it determines construction location: punch position is positioned；
3) mounting hole pipeline: aperture is mounted on using special pipeline；
4) freezing plant: the installation and construction of freezing plant is installed；
5) maintenance monitoring maintenance monitoring frost zone: is carried out to frost zone.
2. a kind of Groundwater Contamination Risk management-control method based on construction freezing method according to claim 1, feature exist
In: the underground water of different distance is extracted in the step 1) using extraction element, is separated by 10-15m between sample point, is examined with sewage
It surveys instrument to detect sample, so that it is determined that underground water pollution boundary, determines frost zone position.
3. a kind of Groundwater Contamination Risk management-control method based on construction freezing method according to claim 1, feature exist
In: after determining underground water pollution boundary in the step 2), punch position is apart from underground water pollution boundary 10-20m, uncontaminated
Underground water above carry out punching work, orifice diameter control is in 14-18cm, in the 5-8m around aperture while punching
Several drainings drilling is bored, hole is provided with the drainpipe with filter device, with immersible pump or compression pump to extracardiac pumping, to reduce ground
Lower water level reduces water yield.
4. a kind of Groundwater Contamination Risk management-control method based on construction freezing method according to claim 1, feature exist
In: leak test work is carried out to special pipeline first in the step 3), it is ensured that the normal use of special pipeline leads to special pipeline
It crosses aperture and arrives at underground water bottom across water table, special pipeline is the freezing pipe that diameter is 10-14cm.
5. a kind of Groundwater Contamination Risk management-control method based on construction freezing method according to claim 4, feature exist
In: the frost radius outside the freezing pipe is 0.5-1m, and the distance between freezing pipe is 0.5-1m.
6. a kind of Groundwater Contamination Risk management-control method based on construction freezing method according to claim 1, feature exist
In: artificial cooling equipment is installed, refrigeration equipment and cryovial are interconnected, and equipment installs laggard in the step 4) at aperture
Row detection, it is ensured that then the normal operation of equipment carries out actively frost work, cryovial freezes Groundwater formation and freezes curtain,
It freezes curtain composition freezing wall hanging curtain and freezes wall hanging curtain thickness 1-2m to form freezing wall hanging curtain on underground water pollution boundary.
7. a kind of Groundwater Contamination Risk management-control method based on construction freezing method according to claim 6, feature exist
In: the artificial cooling equipment includes refrigerator and two cooling towers, composition refrigeration system based on refrigerator and two cooling towers
System can carry out actively freezing work after the completion of system debug.
8. a kind of Groundwater Contamination Risk management-control method based on construction freezing method according to claim 1, feature exist
In: to judge whether freezing curtain is handed in the step 5) according to observed temperature data and enclose and reach design thickness, manual control
Refrigeration system keeps frozen coating thickness, achievees the purpose that safeguard frost zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811367755.XA CN109409777A (en) | 2018-11-16 | 2018-11-16 | A kind of Groundwater Contamination Risk management-control method based on construction freezing method |
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| CN201811367755.XA CN109409777A (en) | 2018-11-16 | 2018-11-16 | A kind of Groundwater Contamination Risk management-control method based on construction freezing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127945A (en) * | 2019-05-27 | 2019-08-16 | 安徽建筑大学 | The method and system of organic contamination place in-situ synchronization rehabilitating soil and underground water |
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|---|---|---|---|---|
| CN104806253A (en) * | 2015-05-15 | 2015-07-29 | 中铁二局股份有限公司 | Construction method for opening hole between rectangular pipe jacking channels |
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2018
- 2018-11-16 CN CN201811367755.XA patent/CN109409777A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806253A (en) * | 2015-05-15 | 2015-07-29 | 中铁二局股份有限公司 | Construction method for opening hole between rectangular pipe jacking channels |
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| 姬文轩: ""富水卵砾石地层地铁联络通道人工冻结法施工模型试验研究"", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127945A (en) * | 2019-05-27 | 2019-08-16 | 安徽建筑大学 | The method and system of organic contamination place in-situ synchronization rehabilitating soil and underground water |
| CN110127945B (en) * | 2019-05-27 | 2021-12-14 | 安徽建筑大学 | Method and system for synchronously restoring soil and underground water in organic pollution site in situ |
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Application publication date: 20190301 |