CN105312315A - Injection method applied to in-situ remediation of contaminated sites - Google Patents
Injection method applied to in-situ remediation of contaminated sites Download PDFInfo
- Publication number
- CN105312315A CN105312315A CN201510865785.3A CN201510865785A CN105312315A CN 105312315 A CN105312315 A CN 105312315A CN 201510865785 A CN201510865785 A CN 201510865785A CN 105312315 A CN105312315 A CN 105312315A
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- China
- Prior art keywords
- steel pipe
- chemical
- gun head
- medicine
- angle bar
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses an injection method applied to in-situ remediation of contaminated sites. The injection method comprises the following steps: inserting a chemical injecting steel pipe into a designed depth in the soil; inserting a chemical injecting gun head into the chemical injecting steel pipe, enabling ring-shaped packers at the upper end and the lower end of the chemical injecting gun head to be in sliding seal fit with the inner wall of the chemical injecting steel pipe so as to form a sealed cavity between the inner wall of the chemical injecting steel pipe and the outer wall of the chemical injecting gun head; adjusting the depth of the chemical injecting gun head in the chemical injecting steel pipe and enabling a chemical injecting hole in the wall of the chemical injecting steel pipe to be located between two packers; and pumping a chemical solution into the chemical injecting gun head by a chemical pumping device on the ground, and enabling the chemical solution to penetrate through a hole or a seam in the chemical gun head and then enter the sealed cavity, and injecting the chemical solution into the soil through the chemical injecting hole to carry out in-situ remediation. The injection method has the advantages that the chemicals can be injected in a concentrated range by the packers and the chemical injecting gun head, the chemical injecting pressure is increased, the chemical breaking effect is improved, and the diffusion range and uniformity of the chemicals are improved.
Description
Technical field
The invention belongs to field of environment engineering technology, be specifically related to a kind of method for implanting for contaminated site in-situ immobilization.
Background technology
In recent years, along with the quickening of urbanization process, some were originally taken by industrial enterprise and contaminated land re-starts redevelopment, and Study on Soil Pollution Problems causes the attention of government and again put on important agenda, and some relevant repairing tests and demonstration progressively launch.
Conventional contaminated site restorative procedure comprises showering and in-situ immobilization, and showering relates to a large amount of earth works, and cost is high, power consumption is large, easily produces secondary pollution.In-situ immobilization because cost is low, it is little to consume energy, non-secondary pollution, simple to operate and comparatively paid attention to.But, in position in repair process, often due to complex geologic conditions make medicament inject uneven, range of scatter is little, causes reparation not reach expected effect.
Summary of the invention
The object of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of method for implanting for contaminated site in-situ immobilization is provided, this method for implanting, by plugging chemical injection gun head to enclose formation closed cavity in injection steel pipe, realizes concentrating scope injection, improves injection pressure.
The object of the invention realizes being completed by following technical scheme:
For a method for implanting for contaminated site in-situ immobilization, it is characterized in that described method for implanting comprises the steps: injection steel pipe to insert projected depth in the soil body; A chemical injection gun head is plugged in described injection steel pipe, described chemical injection gun head upper/lower terminal packer in the form of a ring and described injection steel pipe inner wall are slideable being sealed and matched, to make to be formed closed cavity between described injection steel pipe inner wall and described chemical injection gun head outer wall; Regulate the degree of depth of described chemical injection gun head in described injection steel pipe, make medicine-pouring hole on described injection steel pipe wall described in two between packer; By the medicament pumping installations being arranged in ground, liquid medicine is pumped into described chemical injection gun head, liquid medicine enters described closed cavity through behind the hole on described medicament rifle head or seam, and spurts in the soil body through described medicine-pouring hole and carry out in-situ immobilization.
The end opening of described chemical injection gun head is closed, and is suitable for readingly communicated with the described medicament pumping installations rest on the ground through conduit.
In the form of a ring, its inner ring is fixedly sleeved with described chemical injection gun head outside wall surface, outer ring coordinates with described injection steel pipe inner wall face slipper seal for described packer.
Each described medicine-pouring hole position correspondence on described injection steel pipe wall arranges angle bar.
By the described medicine-pouring hole position of described angle bar left-hand thread in correspondence, and its two ends are made to be welded in above and below described medicine-pouring hole respectively, to make liquid medicine horizontal-jet under described angle bar guiding.
Described angle bar one end is welded in described medicine-pouring hole top and makes described angle bar opening obliquely, to make liquid medicine Jet with downward flow direction under described angle bar guiding.
Described angle bar one end be welded in described medicine-pouring hole bottom and make described angle bar opening obliquely, upwards spraying under described angle bar guiding to make liquid medicine.
Advantage of the present invention is, can concentrate scope injection by packer and chemical injection gun head, improves injection pressure, increases medicament splitting effect, increases range of scatter and the uniformity of medicament; And prevent aperture from producing blocking by the setting of angle bar, and the injection of medicament different directions in the soil body can be realized, reduce injection steel pipe medicine-pouring hole in the height direction and lay quantity.
Accompanying drawing explanation
Fig. 1 is method for implanting principle schematic in the embodiment of the present invention 1;
Fig. 2 is method for implanting principle schematic in the embodiment of the present invention 2.
Detailed description of the invention
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technical staff of the same trade:
Be respectively as marked 1-8 in Fig. 1-2, figure: injection steel pipe 1, medicine-pouring hole 2, angle bar 3, packer 4, hole or seam 5, chemical injection gun head 6, conduit 7, head plate 8.
Embodiment: as shown in Figure 1, the present embodiment is specifically related to a kind of method for implanting for contaminated site in-situ immobilization, little to overcome the rear range of scatter of prior art Chinese medicine injection, the deficiencies such as skewness, and this method for implanting mainly comprises the following steps:
(1) get an injection steel pipe 1, the tapered structure in its leading section, be beneficial to injection steel pipe 1 and insert respective depth in soil layer; Some uniform medicine-pouring holes 2 are offered, the Polluted Soil layer depth that the laying of medicine-pouring hole 2 highly optionally processes and determining at the differing heights place of injection steel pipe 1 wall; On each medicine-pouring hole 2, corresponding welding arranges angle bar 3(and an angle steel respectively); carry out protection can prevent medicine-pouring hole 2 from being blocked by mud by arranging angle bar 3; in addition; angle bar 3 can carry out multi-form welding on medicine-pouring hole 2; can, according to different operating modes, one or more Type of Welding be wherein selected to combinationally use:
A. angle bar 3 left-hand thread is arranged at corresponding medicine-pouring hole 2 position, that is, its two ends are welded in above and below medicine-pouring hole 2 respectively, spray to depthkeeping to enable liquid medicine level;
B. one end of angle bar 3 is welded in corresponding medicine-pouring hole 2 top, the other end do not weld, make the opening down setting of angle bar 3, to enable liquid medicine Jet with downward flow direction affect deep soil, reduce length or the insertion depth of injection steel pipe 1, and prevent liquid medicine from upwards emerging;
C. one end of angle bar 3 is welded in corresponding medicine-pouring hole 2 bottom, the other end do not weld, and make the opening up setting of angle bar 3, upwards spraying to enable liquid medicine affect the top soil body, the quantity of the top medicine-pouring hole 2 on minimizing injection steel pipe 1
(2) injection steel pipe 1 is inserted respective depth in the soil body by its tapered front end part;
(3) get the chemical injection gun head 6 that a upper/lower terminal is provided with packer 4, by chemical injection gun head 6 and on packer 4 to slide the respective depth position pushed in injection steel pipe 1, be positioned within two packer 4 scopes to make required medicine-pouring hole 2; Wherein:
Chemical injection gun head 6 upper, lower two ends are fixedly installed packer 4 in the form of a ring respectively, the inner ring of packer 4 is with the fixed seal connection of chemical injection gun head 6 outside wall surface, outer ring coordinates in slipper seal with between injection steel pipe 1 internal face, thus, upper, the enclosed injection cavity of lower formation one is jointly gone along with sb. to guard him between lower two packers 4 and injection steel pipe 1 internal face, the liquid medicine injected to make high pressure can only to external diffusion in this closed injection cavity, this closed injection cavity enables liquid medicine concentrate injection by less space, improve the splitting effect of injection pressure and liquid medicine, it should be noted that, under external force, chemical injection gun head 6 can freely adjust it and plug the degree of depth in injection steel pipe 1, is positioned within this closed injection cavity scope to make medicine-pouring hole 2, in addition, the end opening of injection steel pipe 1 is closed, the medicament pumping installations being located on ground through conduit 7 suitable for reading is connected, and the side wall surface of injection steel pipe 1 is evenly offered porose or seam 5 to export medicament in aforesaid injection cavity,
Packer 4 is made up of sleeve pipe and at least two rubber rings, be positioned at the packer 4 of chemical injection gun head 6 lower end, it is loaded on chemical injection gun head 6 end opening by sleeve pipe fixed cover makes its end opening formation close, the inner edge of two rubber rings is fixed on sleeve pipe, and its outer rim utilizes and to form interference seal between the internal face of elasticity with injection steel pipe 1 and coordinate, and the insertion depth that moves up and down to adjust chemical injection gun head 6 can be realized under external force; Be positioned at the packer 4 of chemical injection gun head 6 upper end, it is loaded on chemical injection gun head 6 by sleeve pipe fixed cover, and be connected with conduit 7 by this sleeve pipe, same, the inner edge of two rubber rings is fixed on sleeve pipe, and its outer rim utilizes and to form interference seal between the internal face of elasticity with injection steel pipe 1 and coordinate, and the insertion depth that moves up and down to adjust chemical injection gun head 6 can be realized under external force;
(4) liquid medicine is pumped in chemical injection gun head 6 through conduit 7 with certain pressure by the medicament pumping installations by resting on the ground, liquid medicine is through the hole on chemical injection gun head 6 wall or seam 5, enter two packers 4 among the closed cavity that encloses, because liquid medicine concentrates in the cavity in less space, pressure is improved, liquid medicine is spurted in the soil body through medicine-pouring hole 2, under the guiding of angle bar 3, carry out injection with level inject among the soil body, to carry out in-situ immobilization to contaminated site to, direction obliquely or obliquely.
Embodiment 2: as shown in Figure 2, the present embodiment relates to a kind of method for implanting for contaminated site in-situ immobilization, and this method for implanting mainly comprises the steps:
(1) get an injection steel pipe 1, the tapered structure in its leading section, be beneficial to injection steel pipe 1 and insert respective depth in soil layer; Some uniform medicine-pouring holes 2 are offered, the Polluted Soil layer depth that the laying of medicine-pouring hole 2 highly optionally processes and determining at the differing heights place of injection steel pipe 1 wall; A head plate 8 is set in the upper port of injection steel pipe 1, so that space in injection steel pipe 1 is formed closed cavity; Connect in injection steel pipe 1 and have a conduit 7, one end of this conduit 7 is run through head plate 8 and is accessed in injection steel pipe 1, and the other end is connected with the medicament pumping installations being positioned at ground
(2) on each medicine-pouring hole 2 on injection steel pipe 1 wall, corresponding welding arranges angle bar 3(and an angle steel respectively); carry out protection can prevent medicine-pouring hole 2 from being blocked by mud by arranging angle bar 3; in addition; angle bar 3 can carry out multi-form welding on medicine-pouring hole 2; can, according to different operating modes, one or more Type of Welding be wherein selected to combinationally use:
A. angle bar 3 left-hand thread is arranged at corresponding medicine-pouring hole 2 position, that is, its two ends are welded in above and below medicine-pouring hole 2 respectively, spray to depthkeeping to enable liquid medicine level;
B. one end of angle bar 3 is welded in corresponding medicine-pouring hole 2 top, the other end do not weld, make the opening down setting of angle bar 3, to enable liquid medicine Jet with downward flow direction affect deep soil, reduce length or the insertion depth of injection steel pipe 1, and prevent liquid medicine from upwards emerging;
C. one end of angle bar 3 is welded in corresponding medicine-pouring hole 2 bottom, the other end do not weld, and make the opening up setting of angle bar 3, upwards spraying to enable liquid medicine affect the top soil body, the quantity of the top medicine-pouring hole 2 on minimizing injection steel pipe 1
(3) injection steel pipe 1 is inserted respective depth in the soil body by its tapered front end part;
(4) liquid medicine is pumped in injection steel pipe 1 through conduit 7 with certain pressure by the medicament pumping installations by resting on the ground, liquid medicine is spurted in the soil body through medicine-pouring hole 2, under the guiding of angle bar 3, carry out injection with level inject among the soil body, to carry out in-situ immobilization to contaminated site to, direction obliquely or obliquely.
Claims (7)
1., for a method for implanting for contaminated site in-situ immobilization, it is characterized in that described method for implanting comprises the steps: injection steel pipe to insert projected depth in the soil body; A chemical injection gun head is plugged in described injection steel pipe, described chemical injection gun head upper/lower terminal packer in the form of a ring and described injection steel pipe inner wall are slideable being sealed and matched, to make to be formed closed cavity between described injection steel pipe inner wall and described chemical injection gun head outer wall; Regulate the degree of depth of described chemical injection gun head in described injection steel pipe, make medicine-pouring hole on described injection steel pipe wall described in two between packer; By the medicament pumping installations being arranged in ground, liquid medicine is pumped into described chemical injection gun head, liquid medicine enters described closed cavity through behind the hole on described medicament rifle head or seam, and spurts in the soil body through described medicine-pouring hole and carry out in-situ immobilization.
2. a kind of method for implanting for contaminated site in-situ immobilization according to claim 1, is characterized in that the end opening of described chemical injection gun head is closed, and is suitable for readingly communicated with the described medicament pumping installations rest on the ground through conduit.
3. a kind of method for implanting for contaminated site in-situ immobilization according to claim 1, is characterized in that described packer in the form of a ring, and its inner ring is fixedly sleeved with described chemical injection gun head outside wall surface, outer ring coordinates with described injection steel pipe inner wall face slipper seal.
4. a kind of method for implanting for contaminated site in-situ immobilization according to claim 1, is characterized in that each described medicine-pouring hole position correspondence on described injection steel pipe wall arranges angle bar.
5. a kind of method for implanting for contaminated site in-situ immobilization according to claim 4, it is characterized in that the described medicine-pouring hole position of described angle bar left-hand thread in correspondence, and make its two ends be welded in above and below described medicine-pouring hole respectively, to make liquid medicine horizontal-jet under described angle bar guiding.
6. a kind of method for implanting for contaminated site in-situ immobilization according to claim 4, it is characterized in that described angle bar one end being welded in described medicine-pouring hole top and making described angle bar opening obliquely, to make liquid medicine Jet with downward flow direction under described angle bar guiding.
7. a kind of method for implanting for contaminated site in-situ immobilization according to claim 4, it is characterized in that described angle bar one end being welded in described medicine-pouring hole bottom and making described angle bar opening obliquely, upwards spray under described angle bar guiding to make liquid medicine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510865785.3A CN105312315A (en) | 2015-11-27 | 2015-11-27 | Injection method applied to in-situ remediation of contaminated sites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510865785.3A CN105312315A (en) | 2015-11-27 | 2015-11-27 | Injection method applied to in-situ remediation of contaminated sites |
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| Publication Number | Publication Date |
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| CN105312315A true CN105312315A (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510865785.3A Pending CN105312315A (en) | 2015-11-27 | 2015-11-27 | Injection method applied to in-situ remediation of contaminated sites |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140808A (en) * | 2016-08-08 | 2016-11-23 | 北京中岩大地科技股份有限公司 | A kind of method using zonal pressure to inject reparation contaminated site |
| CN108057712A (en) * | 2017-12-28 | 2018-05-22 | 江苏盖亚环境科技股份有限公司 | The densification injection mechanism of integral drilling machine is repaired in a kind of soil sample |
| CN108086934A (en) * | 2017-12-27 | 2018-05-29 | 江苏盖亚环境科技股份有限公司 | The splitting injection mechanism of integral drilling machine is repaired in a kind of soil sample |
| CN108285199A (en) * | 2018-03-28 | 2018-07-17 | 黄河勘测规划设计有限公司 | Repair system and medicament diffusion system after water storage river rain |
| CN110172973A (en) * | 2019-05-23 | 2019-08-27 | 上海长凯岩土工程有限公司 | A kind of grouting method of combined steel tube pile structure |
| CN110172966A (en) * | 2019-05-23 | 2019-08-27 | 上海长凯岩土工程有限公司 | A kind of oblique steel pipe composite structure forms the construction method of beaer |
| CN111589854A (en) * | 2019-02-20 | 2020-08-28 | 中国石油天然气股份有限公司 | Be used for prosthetic binary channels layering injection device of contaminated site normal position |
| CN111940484A (en) * | 2020-06-12 | 2020-11-17 | 生态环境部南京环境科学研究所 | Horizontal permeable reactive barrier for soil remediation |
| CN115026124A (en) * | 2022-06-22 | 2022-09-09 | 上海城建市政工程（集团）有限公司 | Multi-depth in-situ infiltration injection method for soil and underground water remediation |
| CN115532810A (en) * | 2022-09-28 | 2022-12-30 | 上海勘察设计研究院(集团)有限公司 | Intelligent soil remediation project medicament injection device that can dynamically adjust |
| CN115569975A (en) * | 2022-09-20 | 2023-01-06 | 浙江本正环保科技有限公司 | Medicine injection pipe assembly, soil in-situ remediation device and medicine injection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090065408A1 (en) * | 2007-09-10 | 2009-03-12 | Usa As Represented By The Secretary Of The Navy | Chemical injection using an adjustable depth air sparging system |
| CN202672140U (en) * | 2012-05-29 | 2013-01-16 | 上海长凯岩土工程有限公司 | Anchor rod static pressure anti-pulling steel pipe pile with lower portion grouted |
| CN203271766U (en) * | 2013-04-19 | 2013-11-06 | 中冶交通工程技术有限公司 | Grouting pipe and grouting device of pipe shed advanced support |
| CN203991655U (en) * | 2014-08-08 | 2014-12-10 | 北京建工环境修复股份有限公司 | A kind of in situ chemical oxidation Injection Well system |
| CN104624633A (en) * | 2015-01-30 | 2015-05-20 | 浙江博世华环保科技有限公司 | Contaminated site in-situ injection restoration method |
-
2015
- 2015-11-27 CN CN201510865785.3A patent/CN105312315A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090065408A1 (en) * | 2007-09-10 | 2009-03-12 | Usa As Represented By The Secretary Of The Navy | Chemical injection using an adjustable depth air sparging system |
| CN202672140U (en) * | 2012-05-29 | 2013-01-16 | 上海长凯岩土工程有限公司 | Anchor rod static pressure anti-pulling steel pipe pile with lower portion grouted |
| CN203271766U (en) * | 2013-04-19 | 2013-11-06 | 中冶交通工程技术有限公司 | Grouting pipe and grouting device of pipe shed advanced support |
| CN203991655U (en) * | 2014-08-08 | 2014-12-10 | 北京建工环境修复股份有限公司 | A kind of in situ chemical oxidation Injection Well system |
| CN104624633A (en) * | 2015-01-30 | 2015-05-20 | 浙江博世华环保科技有限公司 | Contaminated site in-situ injection restoration method |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140808A (en) * | 2016-08-08 | 2016-11-23 | 北京中岩大地科技股份有限公司 | A kind of method using zonal pressure to inject reparation contaminated site |
| CN108086934A (en) * | 2017-12-27 | 2018-05-29 | 江苏盖亚环境科技股份有限公司 | The splitting injection mechanism of integral drilling machine is repaired in a kind of soil sample |
| CN108057712A (en) * | 2017-12-28 | 2018-05-22 | 江苏盖亚环境科技股份有限公司 | The densification injection mechanism of integral drilling machine is repaired in a kind of soil sample |
| CN108285199A (en) * | 2018-03-28 | 2018-07-17 | 黄河勘测规划设计有限公司 | Repair system and medicament diffusion system after water storage river rain |
| CN111589854A (en) * | 2019-02-20 | 2020-08-28 | 中国石油天然气股份有限公司 | Be used for prosthetic binary channels layering injection device of contaminated site normal position |
| CN111589854B (en) * | 2019-02-20 | 2022-02-01 | 中国石油天然气股份有限公司 | Be used for prosthetic binary channels layering injection device of contaminated site normal position |
| CN110172966A (en) * | 2019-05-23 | 2019-08-27 | 上海长凯岩土工程有限公司 | A kind of oblique steel pipe composite structure forms the construction method of beaer |
| CN110172973A (en) * | 2019-05-23 | 2019-08-27 | 上海长凯岩土工程有限公司 | A kind of grouting method of combined steel tube pile structure |
| CN111940484A (en) * | 2020-06-12 | 2020-11-17 | 生态环境部南京环境科学研究所 | Horizontal permeable reactive barrier for soil remediation |
| CN115026124A (en) * | 2022-06-22 | 2022-09-09 | 上海城建市政工程（集团）有限公司 | Multi-depth in-situ infiltration injection method for soil and underground water remediation |
| CN115026124B (en) * | 2022-06-22 | 2023-10-20 | 上海城建市政工程（集团）有限公司 | Multi-depth in-situ infiltration injection method for soil and groundwater remediation |
| CN115569975A (en) * | 2022-09-20 | 2023-01-06 | 浙江本正环保科技有限公司 | Medicine injection pipe assembly, soil in-situ remediation device and medicine injection method |
| CN115532810A (en) * | 2022-09-28 | 2022-12-30 | 上海勘察设计研究院(集团)有限公司 | Intelligent soil remediation project medicament injection device that can dynamically adjust |
| CN115532810B (en) * | 2022-09-28 | 2023-12-19 | 上海勘察设计研究院(集团)股份有限公司 | Intelligent soil repair engineering agent injection device that can dynamically adjust |
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Application publication date: 20160210 |