CN105855288A - Mobile in-situ quick injection method for contaminated sites - Google Patents
Mobile in-situ quick injection method for contaminated sites Download PDFInfo
- Publication number
- CN105855288A CN105855288A CN201610378396.2A CN201610378396A CN105855288A CN 105855288 A CN105855288 A CN 105855288A CN 201610378396 A CN201610378396 A CN 201610378396A CN 105855288 A CN105855288 A CN 105855288A
- Authority
- CN
- China
- Prior art keywords
- mechanical arm
- injection
- medicine
- situ
- pouring pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- B09C1/00—Reclamation of contaminated soil
- B09C1/002—Reclamation of contaminated soil involving in-situ ground water treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Abstract
The invention discloses a mobile in-situ quick injection method for contaminated sites. The method comprises the following steps: determining a plurality of injection sites in a repairing region of a contaminated site; moving the body with a mechanical arm into the repairing region, assembling a front-end injection device which is an injection pipe coaxially arranged with the mechanical arm at the end part of the mechanical arm; vertically pumping the injection pipe to a soil designated depth at the injection site by utilizing the mechanical arm, and pumping a drug into the injection pipe so as to repair the peripheral soil permeated with the drug; lifting the injection pipe after injection, and moving the injection pipe to the next injection site; and repeating accordingly to complete the injection work of all injection sites. The method has the advantages that integral in-situ injection is completed, well construction is not required, and more equipment is not used, so that the construction can be efficient, safe and concise; and the front-end injection device can achieve a larger construction depth by means of the expansion function of a hydraulic expansion link.
Description
Technical field
The invention belongs to pollution remediation technology field, be specifically related to a kind of for contaminated site movable type rapid injection method in situ.
Background technology
Along with the fast development of urban construction, subsoil water with the control of soil pollution with the demand of reparation just growing.Wherein in-situ immobilization is compared with showering, the most economical, it is to avoid the processes such as excavation transport, reduces secondary pollution risk, becomes the focus that following recovery technique selects.Repairing and treating technology mainly has the technology such as heat treatment, bioanalysis, chemical oxidization method, heterogeneous extracting, and chemical oxidation techniques instant effect, cost is controlled, has been widely used in field engineering reparation.According to embodiment, it is divided into and injecting in situ and stirring in situ.
For realizing soil, subsoil water and medicament haptoreaction, usually through building injection well, medicament is added in soil or subsoil water.But injecting well becomes well quality to ensure, and construction cost is high, effect is low, it is difficult to meet the demand of recovery project.
Therefore, on the basis of prior art, integrated existing machinery equipment, it is problem demanding prompt solution that research and development are rapidly injected method in situ.
Summary of the invention
In place of it is an object of the invention to according to above-mentioned the deficiencies in the prior art, there is provided one for contaminated site movable type rapid injection method in situ, this injection method by being coaxially installed on the front end of car body mechanical arm and being pressed in the decanting point soil body by mechanical arm by medicine-pouring pipe, thus realize the quick medicament of portable original position and inject.
The object of the invention realizes being completed by techniques below scheme:
A kind of for contaminated site movable type rapid injection method in situ, it is characterised in that described injection method comprises the steps: to determine some decanting points in the restoring area of contaminated site;Being moved to described restoring area by the car body with mechanical arm, install a front end injection device in the end of described mechanical arm, described front end injection device is the medicine-pouring pipe being coaxially disposed with described mechanical arm;Utilize described mechanical arm that described medicine-pouring pipe is vertically pressed into the soil body designated depth at described decanting point, and in described medicine-pouring pipe, pump medicament so that the medicament infiltration periphery soil body is repaired;Injection terminate after on carry described medicine-pouring pipe and move to next decanting point, and so forth, complete the injection work of all decanting points.
The degree of depth of the described medicine-pouring pipe press-in soil body is more than the pollution depth of described contaminated site.
One it is provided with for driving the press-in of described medicine-pouring pipe or the hydraulically extensible bar of the lift-off soil body on described mechanical arm.
Described mechanical arm includes the first mechanical arm and the second mechanical arm, described first mechanical arm one end is fixed on described car body, the other end is rotationally connected with described second mechanical arm, hydraulically extensible bar for driving described second mechanical arm to rotate is installed, so that described medicine-pouring pipe can be directed at described decanting point on described first mechanical arm.
It is evenly equipped with on the wall of described medicine-pouring pipe on some medicine-pouring holes, and each described medicine-pouring hole and is provided with protection board.
Described car body is installed a medicine container, and by injection pipeline, described medicine container is connected with described medicine-pouring pipe.
Described medicine container is provided with injection pump and injecting gage probe, described injection pipeline is provided with pressure controller and flow control valve.
Described car body includes that crawler type traveling base and vehicle frame, described vehicle frame rotary type are installed on described crawler type traveling base.
It is an advantage of the invention that achieving integration injects in situ, it is not necessary to shaft building, do not use multiple equipment, make construction more efficiently, more safely succinctly;Injection device is connected with the mechanical arm of moving body, by the Telescopic of hydraulically extensible bar by hydraulically extensible bar, it is ensured that front end injection device can reach bigger construction depth;Medicine container and hydraulic power unit are installed on moving body, it is simple to mobile, it is to avoid cumbersome apparatus is difficult to the shortcoming of movement, brings convenience to construction;Spool control system connects front end injection device and medicine container, it is simple to implementation record and process data, improves work efficiency.
Accompanying drawing explanation
Fig. 1 is the principle schematic of portable rapid injection method in situ in the present invention;
Fig. 2 is the front view of medicine-pouring pipe in the present invention;
Fig. 3 is the side view of medicine-pouring pipe in the present invention;
Fig. 4 is decanting point layout schematic diagram in contaminated site in the present invention.
Detailed description of the invention
Inventive feature and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, in order to the understanding of technical staff of the same trade:
Such as Fig. 1-4, in figure, labelling 1-23 is respectively as follows: crawler type traveling base 1, vehicle frame 2, medicine container 3, injection pump 4, injecting gage probe 5, pressure controller 6, flow control valve 7, power set 8, injection pipeline the 9, first mechanical arm 10, hydraulically extensible bar 11, mechanical arm the 12, second mechanical arm 13, hydraulically extensible bar 14, front end component 15, medicine-pouring pipe 16, protection board 17, medicine-pouring hole 18, switching device 19, decanting point 20, Polluted area scope 21, heavily polluted area scope 22, dark creek distributed areas 23.
Embodiment: as Figure 1-4, the present embodiment is specifically related to a kind of for contaminated site movable type rapid injection method in situ, comprises the steps:
(1) as shown in Figure 4, based on pollution survey data, specify pollution type and the pollution level in place, determine contaminated sites regional extent 21, and mark off heavily polluted area scope 22 therein and dark creek distributed areas 23;
(2) as shown in Figure 4, some decanting points 20 are uniformly laid in contaminated sites regional extent 21, lay spacing to be determined according to place practical situation, in the present embodiment, laying spacing between decanting point 20 is 3m*3m, encrypting in heavily polluted area scope 22 and dark creek distributed areas 23 and layout, laying spacing is 2m*2m;
(3) as Figure 1-3, install and portable be rapidly injected equipment, specifically include car body and be installed on the liquid medicine injection system on this car body, wherein:
Car body is made up of this four part of crawler type traveling base 1, vehicle frame 2, mechanical arm 12 and power set 8: (a) crawler type traveling base 1 is used for driving car body to move traveling, it is simple to walks in different terrain and environment, thus improves work efficiency;B between () vehicle frame 2 with crawler type traveling base 1, rotated mechanism is connected, under the driving of rotating mechanism, vehicle frame 2 can carry out 360 ° of rotations;C () mechanical arm 12 is made up of the first mechanical arm 10 and the second mechanical arm 13, one end of first mechanical arm 10 is hingeably secured on vehicle frame 2, the other end is then rotationally connected with the second mechanical arm 13, and hydraulically extensible bar 11 is installed on the first mechanical arm 10 for driving the second mechanical arm 13 to rotate, pin joint between second mechanical arm 13 and the first mechanical arm 10 is as the rotating fulcrum of the second mechanical arm 13, in addition, second mechanical arm 13 is provided with hydraulically extensible bar 14, for driving the front end component 15 of the second mechanical arm 13 to stretch;D () power set 8 are mounted on vehicle frame 2, for being hydraulic energy each parts being supplied on car body by the changes mechanical energy of diesel engine, including the parts in crawler type traveling base 1, the rotating mechanism of vehicle frame 2, hydraulically extensible bar 11, hydraulically extensible bar 14 and liquid medicine injection system;
Liquid medicine injection system is installed on car body, form including this three part of medicine container 3, injection pipeline 9 and front end injection device: (a) medicine container 3 is installed on vehicle frame 2, for storing and outwards pumping medicament, its shape can be cylindrical in shape or cuboid, and volume size determines according to size and the engineering practice of vehicle frame 2;B one end of () injection pipeline 9 is connected with the bottom of medicine container 3, the other end is connected with front end injection device, injection pipeline 9 uses corrosion resistant hose materials and lays, for making injection pipeline 9 can have certain redundancy with mechanical arm 12 its length that rotates along mechanical arm 12 direction of extending;In injection pipeline 9 near with the interface position of medicine container 3 at, it is sequentially installed with injection pump 4, injecting gage probe 5, pressure controller 6 and flow control valve 7, injection pump 4 is for extracting the liquid medicine in medicine container 3 and outwards pumping, injecting gage probe 5 is used for controlling liquid medicine injection rate, pressure controller 6 and flow control valve 7 then for the transmission speed of regulating agent;C () front end injection device is made up of the switching device 19 of medicine-pouring pipe 16 and upper end thereof, medicine-pouring pipe 16 fixes connection through switching device 19 with the front end component 15 of the second mechanical arm 13, and medicine-pouring pipe 16 is coaxially disposed with the second mechanical arm 13, medicine-pouring pipe 16 rotates with the rotation of the second mechanical arm 13;Medicine-pouring pipe 16 is the hollow tube of an employing stainless steel; its body upper end is connected with injection pipeline 9; being evenly equipped with some medicine-pouring holes 18 on body wall, the outer wall upper limb of each medicine-pouring hole 18 is additionally provided with a protection board 17, in order to prevent fine grained from blocking medicine-pouring hole 18;Being pressed in the soil body for the ease of medicine-pouring pipe 16, its leading section is tapered;
(4) as Figure 1-4, the portable equipment that is rapidly injected is moved the correspondence position to Polluted area scope 21, manipulation mechanical arm 12 makes the second mechanical arm 13 and front end medicine-pouring pipe 16 thereof keep vertically being perpendicular to the state of ground afterwards, and with specify the position alignment of decanting point 20;
(5) such as Fig. 1, shown in 4, the hydraulically extensible bar 14 controlled on the second mechanical arm 13 extends, thus drives medicine-pouring pipe 16 straight down and be pressed into designated depth in decanting point 20 soil body, is equivalent to constitute traditional injection well-point pipe;
(6) such as Fig. 1, shown in 4, according to pollutant type, the pollution level configuration liquid medicine of Polluted area scope 21, and add in medicine container 3;Opening injection pump 4 to be extracted out from medicine container 3 in injection pipeline 9 is pumped to medicine-pouring pipe 16 by liquid medicine, under pressure, liquid medicine is to extravasating into the soil body from each medicine-pouring hole 18, and it is repaired by medicament with contaminated soil body generation chemical reaction;In this course, regulation injecting gage probe 5 is to control liquid medicine injection rate in real time, controls the medicament transmission speed in injection pipeline 9 by regulating pressure controller 6 and flow control valve 7 simultaneously;
(7) such as Fig. 1, shown in 4, after medicament to be done injects, close injection pump 4 and stop pumping medicament to medicine-pouring pipe 16;The hydraulically extensible bar 14 controlled afterwards on the second mechanical arm 13 shrinks, so that the medicine-pouring pipe 16 lift-off soil body;
(8) such as Fig. 1, shown in 4, according to step (4)-(7), and so forth, the medicament being sequentially completed each appointment decanting point 20 position injects, until completing the injection work of all target decanting points 20;
(9) such as Fig. 1, shown in 4, reaction through after a period of time, sampling and testing, proceed to inject work, until in Polluted area scope 21 after soil and water resources requisite quality, reparation terminates to the decanting point 20 not up to repairing target.
As shown in the table, by the original position rapid injection method in the present embodiment being compared with the method for implanting of conventional shaft building, the present embodiment situ is rapidly injected injection cycle of method and can shorten the time of 80%, and cost can save up to 67%.
Claims (8)
1. one kind is used for contaminated site movable type rapid injection method in situ, it is characterised in that described injection method comprises the steps: to determine some decanting points in the restoring area of contaminated site;Being moved to described restoring area by the car body with mechanical arm, install a front end injection device in the end of described mechanical arm, described front end injection device is the medicine-pouring pipe being coaxially disposed with described mechanical arm;Utilize described mechanical arm that described medicine-pouring pipe is vertically pressed into the soil body designated depth at described decanting point, and in described medicine-pouring pipe, pump medicament so that the medicament infiltration periphery soil body is repaired;Injection terminate after on carry described medicine-pouring pipe and move to next decanting point, and so forth, complete the injection work of all decanting points.
One the most according to claim 1 is for contaminated site movable type rapid injection method in situ, it is characterised in that the degree of depth of the described medicine-pouring pipe press-in soil body is more than the pollution depth of described contaminated site.
One the most according to claim 1 is for contaminated site movable type rapid injection method in situ, it is characterised in that be provided with one on described mechanical arm for driving the press-in of described medicine-pouring pipe or the hydraulically extensible bar of the lift-off soil body.
One the most according to claim 1 is for contaminated site movable type rapid injection method in situ, it is characterized in that described mechanical arm includes the first mechanical arm and the second mechanical arm, described first mechanical arm one end is fixed on described car body, the other end is rotationally connected with described second mechanical arm, hydraulically extensible bar for driving described second mechanical arm to rotate is installed, so that described medicine-pouring pipe can be directed at described decanting point on described first mechanical arm.
One the most according to claim 1 is for contaminated site movable type rapid injection method in situ, it is characterised in that is evenly equipped with on the wall of described medicine-pouring pipe on some medicine-pouring holes, and each described medicine-pouring hole and is provided with protection board.
One the most according to claim 1 is for contaminated site movable type rapid injection method in situ, it is characterised in that installs a medicine container on described car body, and is connected with described medicine-pouring pipe by described medicine container by injection pipeline.
One the most according to claim 6 is for contaminated site movable type rapid injection method in situ, it is characterized in that described medicine container is provided with injection pump and injecting gage probe, described injection pipeline is provided with pressure controller and flow control valve.
One the most according to claim 1 is for contaminated site movable type rapid injection method in situ, it is characterised in that described car body includes that crawler type traveling base and vehicle frame, described vehicle frame rotary type are installed on described crawler type traveling base.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610378396.2A CN105855288A (en) | 2016-06-01 | 2016-06-01 | Mobile in-situ quick injection method for contaminated sites |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610378396.2A CN105855288A (en) | 2016-06-01 | 2016-06-01 | Mobile in-situ quick injection method for contaminated sites |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105855288A true CN105855288A (en) | 2016-08-17 |
Family
ID=56642951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610378396.2A Pending CN105855288A (en) | 2016-06-01 | 2016-06-01 | Mobile in-situ quick injection method for contaminated sites |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105855288A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106238455A (en) * | 2016-10-25 | 2016-12-21 | 苏州同和环保工程有限公司 | For repairing the device and method of deep layer Polluted Soil |
CN107755421A (en) * | 2017-10-30 | 2018-03-06 | 武汉都市环保工程技术股份有限公司 | A kind of contaminated site original position is rapidly injected repair system |
CN108380660A (en) * | 2018-01-30 | 2018-08-10 | 上海岩土工程勘察设计研究院有限公司 | Multi-level injection method in situ for contaminated site |
CN108380659A (en) * | 2018-01-30 | 2018-08-10 | 上海岩土工程勘察设计研究院有限公司 | Maintenance process suitable for Polluted Soil in situ chemical oxidation reparation |
CN108526215A (en) * | 2018-05-29 | 2018-09-14 | 广州环投设计研究院有限公司 | A kind of movable type original position soil prosthetic device |
CN111438176A (en) * | 2020-04-13 | 2020-07-24 | 湖南富民环保建设有限公司 | In-situ injection device for soil heavy metal pollution remediation and remediation process thereof |
CN112916597A (en) * | 2021-02-26 | 2021-06-08 | 煜环环境科技有限公司 | Stirring equipment for in-situ remediation of shallow contaminated soil |
CN114263164A (en) * | 2022-01-06 | 2022-04-01 | 天津渤化环境修复股份有限公司 | Deep soil groundwater in-situ high-pressure rotary spraying repair system and process |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5944454A (en) * | 1997-04-18 | 1999-08-31 | Melegari; Cesare | Land reclamation method and equipment for soil involving the introduction into the subsoil layers of a high-pressure liquid jet together with a fluid containing particles of a solid agent |
US5986159A (en) * | 1997-09-16 | 1999-11-16 | The Regents Of The University Of California | Chemical tailoring of steam to remediate underground mixed waste contaminents |
CN203494887U (en) * | 2013-10-12 | 2014-03-26 | 江苏上田环境修复有限公司 | Contaminated soil in-situ remediation equipment |
CN104847262A (en) * | 2015-05-18 | 2015-08-19 | 环境保护部环境规划院 | Movable professional soil remediation integrated drilling machine and environment restoration method |
CN204934199U (en) * | 2015-09-15 | 2016-01-06 | 武汉理工大学 | A kind of multiple soil pollution process car |
CN105344705A (en) * | 2015-11-27 | 2016-02-24 | 上海岩土工程勘察设计研究院有限公司 | Injection device for in-situ remediation of contaminated sites |
-
2016
- 2016-06-01 CN CN201610378396.2A patent/CN105855288A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5944454A (en) * | 1997-04-18 | 1999-08-31 | Melegari; Cesare | Land reclamation method and equipment for soil involving the introduction into the subsoil layers of a high-pressure liquid jet together with a fluid containing particles of a solid agent |
US5986159A (en) * | 1997-09-16 | 1999-11-16 | The Regents Of The University Of California | Chemical tailoring of steam to remediate underground mixed waste contaminents |
CN203494887U (en) * | 2013-10-12 | 2014-03-26 | 江苏上田环境修复有限公司 | Contaminated soil in-situ remediation equipment |
CN104847262A (en) * | 2015-05-18 | 2015-08-19 | 环境保护部环境规划院 | Movable professional soil remediation integrated drilling machine and environment restoration method |
CN204934199U (en) * | 2015-09-15 | 2016-01-06 | 武汉理工大学 | A kind of multiple soil pollution process car |
CN105344705A (en) * | 2015-11-27 | 2016-02-24 | 上海岩土工程勘察设计研究院有限公司 | Injection device for in-situ remediation of contaminated sites |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106238455A (en) * | 2016-10-25 | 2016-12-21 | 苏州同和环保工程有限公司 | For repairing the device and method of deep layer Polluted Soil |
CN107755421A (en) * | 2017-10-30 | 2018-03-06 | 武汉都市环保工程技术股份有限公司 | A kind of contaminated site original position is rapidly injected repair system |
CN108380660A (en) * | 2018-01-30 | 2018-08-10 | 上海岩土工程勘察设计研究院有限公司 | Multi-level injection method in situ for contaminated site |
CN108380659A (en) * | 2018-01-30 | 2018-08-10 | 上海岩土工程勘察设计研究院有限公司 | Maintenance process suitable for Polluted Soil in situ chemical oxidation reparation |
CN108380659B (en) * | 2018-01-30 | 2020-07-31 | 上海勘察设计研究院(集团)有限公司 | Maintenance method suitable for in-situ chemical oxidation remediation of polluted soil |
CN108380660B (en) * | 2018-01-30 | 2020-10-23 | 上海勘察设计研究院(集团)有限公司 | Multilayer in-situ medicine injection method for contaminated site |
CN108526215A (en) * | 2018-05-29 | 2018-09-14 | 广州环投设计研究院有限公司 | A kind of movable type original position soil prosthetic device |
CN108526215B (en) * | 2018-05-29 | 2023-09-19 | 广州环投设计研究院有限公司 | Portable normal position soil prosthetic devices |
CN111438176A (en) * | 2020-04-13 | 2020-07-24 | 湖南富民环保建设有限公司 | In-situ injection device for soil heavy metal pollution remediation and remediation process thereof |
CN112916597A (en) * | 2021-02-26 | 2021-06-08 | 煜环环境科技有限公司 | Stirring equipment for in-situ remediation of shallow contaminated soil |
CN112916597B (en) * | 2021-02-26 | 2022-06-28 | 煜环环境科技有限公司 | Stirring equipment for in-situ remediation of shallow contaminated soil |
CN114263164A (en) * | 2022-01-06 | 2022-04-01 | 天津渤化环境修复股份有限公司 | Deep soil groundwater in-situ high-pressure rotary spraying repair system and process |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105855288A (en) | Mobile in-situ quick injection method for contaminated sites | |
CN105834208A (en) | Movable in-situ fast injection device used for polluted site | |
CN104847262B (en) | A kind of method of packaged type specialty soil remediation synthesis rig and environment remediation | |
CN108380657B (en) | Medicament adding method suitable for chemical oxidation remediation of polluted site | |
CN108380658B (en) | In-situ remediation method for shallow layer stirring of polluted soil | |
CN208495375U (en) | A kind of in-situ repairing device of organic polluted soil | |
CN112875881B (en) | Aeration device for repairing VOCs pollution | |
CN104353664A (en) | Method for constructing in-situ high-pressure jet-grouting stirring pile for polluted field remediation | |
CN209368926U (en) | Channel cleanout device | |
CN106269837A (en) | The repair system of a kind of volatility organic polluted soil and method | |
CN108393342A (en) | Sub-region and hierarchical in-situ remediation method suitable for the stirring of Polluted Soil shallow-layer | |
CN108372201A (en) | A kind of high-pressure rotary-spray dosing of organic contamination place original position aoxidizes restorative procedure | |
CN203494884U (en) | In-situ repairing device of organic contaminated soil of superficial-layer area source | |
WO2020248702A1 (en) | Bidirectional overall stirring apparatus and method for reinforcing shallow soft foundation using same | |
CN109127696A (en) | The device and method of heavy metal pollution in multiple physical field coupling rehabilitating soil in situ | |
CN105642665A (en) | Method for repairing heavy metal contaminated site in situ by adopting stirring and injection system | |
KR100822336B1 (en) | Inverting apparatus for repairing pipeline | |
CN205732256U (en) | A kind of organic polluted soil turns over throwing desorbing processing equipment | |
CN211972094U (en) | Silt place normal position solidification equipment | |
CN108160701A (en) | Suitable for the in-situ immobilization maintenance process of Polluted Soil shallow-layer stirring | |
CN109047317B (en) | Continuous pipe type in-situ repair injection system and method | |
CN108360502B (en) | In-situ uniaxial large-diameter pesticide injection stirring repair system and method for soil and underground water | |
CN104692530B (en) | Multistage quasi in-situ groundwater repair device and repair method | |
CN208131669U (en) | Repair system is stirred in original position soil and underground water big unit high pressure injection | |
CN110404956A (en) | A kind of soil and underground water complex repairation system and restorative procedure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |
|
RJ01 | Rejection of invention patent application after publication |