CN115159600A - Barrier and multi-depth agent injection method in soil and underground water remediation process - Google Patents
Barrier and multi-depth agent injection method in soil and underground water remediation process Download PDFInfo
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- CN115159600A CN115159600A CN202210998379.4A CN202210998379A CN115159600A CN 115159600 A CN115159600 A CN 115159600A CN 202210998379 A CN202210998379 A CN 202210998379A CN 115159600 A CN115159600 A CN 115159600A
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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
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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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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention belongs to the technical field of soil and underground water restoration, and provides a barrier and a multi-depth medicament injection method in the soil and underground water restoration process.
Description
Technical Field
The invention belongs to the technical field of soil and underground water remediation, and particularly relates to a separator and a multi-depth medicament injection method in a soil and underground water remediation process.
Background
The existing multi-depth injection medicament repairing technology for soil and underground water generally comprises the step of independently building repairing wells according to different repairing depths (namely, arranging a well pipe underground, and injecting medicaments by utilizing a sieve pipe part of the well pipe), but cannot inject and repair medicaments into different depths through one repairing well, so that a barrier and a multi-depth medicament injection method in the soil and underground water repairing process are provided.
Disclosure of Invention
The invention provides a barrier and a multi-depth medicament injection method in a soil and underground water remediation process, and aims to solve the problem that medicament injection remediation cannot be performed on different depths through one remediation well.
The invention is realized in such a way that the barrier comprises a pipe body, wherein the upper end of the pipe body is connected with a first flange, the first flange is provided with an exhaust port, the lower surface of the first flange is connected with a sealing assembly, the pipe body penetrates through the sealing assembly, the lower side of the sealing assembly is connected with a plate body, and the plate body is bent into a tubular shape and surrounds the outer side of the pipe body.
Optionally, the sealing assembly includes a second flange, a third flange, a fourth flange and at least two sealing pieces, the second flange is connected to the lower surface of the first flange, and the sealing pieces are respectively connected between the second flange and the third flange and between the third flange and the fourth flange.
Optionally, the sealing plate is a rubber sealing gasket.
Optionally, the sealing assembly further comprises a fixing bolt, and the fixing bolt sequentially penetrates through the first flange, the second flange, the third flange and the fourth flange from top to bottom and enables the first flange, the second flange, the third flange and the fourth flange to be in threaded connection.
Optionally, the lower end of the pipe body is connected with a fifth flange, the fifth flange is connected with one end, far away from the sealing assembly, of the plate body, and a centering device is arranged on the plate body.
Optionally, the tube body, the sealing assembly, the plate body and the centering device are all made of high-density polyethylene.
The invention also provides a multi-depth medicament injection method in the soil groundwater remediation process, which comprises the following steps:
s1, a well pipe comprising two sections of sieve pipes extends into the ground and penetrates through a first sand layer, an clay layer and a second sand layer;
s2, connecting the blocking device with a first pipeline, enabling the first pipeline to penetrate through the blocking device, enabling the first pipeline to drive the blocking device to extend into the middle well pipe section inside the well pipe, and blocking the well pipe by the blocking device;
s3, extending a second pipeline into the position of the upper screening section in the well pipe;
s4, starting a medicine supply device, and conveying the medicines to the insides of the first pipeline and the second pipeline through the medicine supply device;
s5, discharging the medicament from the first pipeline, diffusing the medicament into the second sand layer through a first sieve tube, discharging the medicament from the second pipeline, and diffusing the medicament into the first sand layer through a second sieve tube;
and S6, connecting the air vent with a rubber hose to the ground surface well head, and connecting a one-way valve to discharge air at the lower screening section position through the air vent.
Optionally, the first pipe passes through the first flange of the blocking device and is connected with the first flange in a welding mode.
Optionally, pressure gauges are respectively arranged on the first pipeline and the second pipeline.
Optionally, in the step S2, after the blocking device is mounted inside the well casing, the first pipe is lifted upwards, so that the first pipe drives the blocking device to move upwards, and the edge of the sealing sheet of the sealing assembly is bent downwards.
The invention separates and seals the inside of the well pipe through the sealing component of the separator to meet the function of layered injection, and simultaneously, the invention realizes the function of separating and sealing the inside of the well pipe through the method of installing the separator in the inside of the well pipe, realizes the function of layered injection, and solves the problem that the injection and repair of medicaments at different depths can not be carried out through one repair well.
Drawings
FIG. 1 is a schematic sectional view of a front view of a barrier according to the present invention;
FIG. 2 is a schematic top view of a barrier according to the present invention;
FIG. 3 is a schematic structural view of the using state of a barrier in the method for injecting a multi-depth agent in the soil groundwater remediation process provided by the invention;
FIG. 4 is a schematic view of the barrier provided by the present invention during deployment into a well tubular;
figure 5 is a schematic view of the barrier provided by the present invention during the upward movement of the interior of the well tubular.
In the figure: 1-pipe body, 2-first flange, 201-exhaust port, 3-fifth flange, 4-sealing component, 401-second flange, 402-third flange and 403-fourth flange; 404-sealing sheet, 405-fixing bolt, 5-plate body, 6-centering device, 7-well pipe, 8-first sand layer, 9-clay layer, 10-first pipeline, 11-second pipeline, 12-medicine supply equipment, 13-first sieve pipe, 14-second sand layer, 15-second sieve pipe and 16-pressure gauge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
According to the invention, the barrier is arranged in the well pipe, so that the effect of blocking and sealing the inside of the well pipe is realized, the effect of layered medicine injection is realized, and the problem that medicine injection repair cannot be carried out on different depths through one repair well is solved.
As shown in fig. 1 to 5, the invention provides a barrier, which includes a pipe body 1, wherein the upper end of the pipe body 1 is connected with a first flange 2, the first flange 2 is provided with an exhaust port 201, the lower surface of the first flange 2 is connected with a sealing assembly 4, the pipe body 1 penetrates through the sealing assembly 4, the lower side of the sealing assembly 4 is connected with a plate body 5, and the plate body 5 is bent into a tubular shape to surround the outer side of the pipe body 1. The device is arranged in a well pipe 7, the sealing assembly 4 is used for isolating and sealing the inside of the well pipe 7, during actual use, a first pipeline 10 is fixedly connected with a first flange 2, then the first pipeline 10 extends into the inside of the well pipe 7, the sealing assembly 4 is in contact sealing with the inner side wall of the well pipe 7 at the moment, the effect of isolating and sealing is achieved, the first pipeline 10 is inserted into a proper depth, then a second pipeline 11 is inserted into the inside of the well pipe 7 and is also inserted into a proper depth, a medicine supply device 12 is started, and through the medicine supply device 12, medicines are conveyed to the first pipeline 10 and the inside of the second pipeline 11. The agent is discharged from the first pipe 10 and diffuses through the first screen 13 into the second sand layer 14, and the agent is discharged from the second pipe 11 and diffuses through the second screen 15 into the first sand layer 8. The effect of layering injection is realized, the effect of injection and restoration of the medicament of the soil underground water is realized, and the problem that the medicament injection and restoration of different depths cannot be realized through one restoration well is solved.
Wherein, the exhaust port 201 is connected with a rubber hose (not shown) to the ground surface wellhead, and the exhaust pipe 201 is provided with a one-way valve (not shown) to exhaust the air at the lower screen section position through the exhaust hole.
By way of example, the sealing assembly 4 comprises a second flange 401, a third flange 402, a fourth flange 403 and at least two sealing sheets 404, the second flange 401 is connected to the lower surface of the first flange 2, and the sealing sheets 404 are respectively connected between the second flange 401 and the third flange 402 and between the third flange 402 and the fourth flange 403. In the process that the blocker stretches into the well casing 7 along with the first pipeline 10, the sealing plate 404 contacts with the inner side wall of the well casing 7, the side edge of the sealing plate 404 is bent upwards, and after the sealing plate is inserted into a proper position, the first pipeline 10 is lifted upwards, so that the first pipeline 10 drives the blocker to move upwards, the sealing assembly 4 is promoted that the edge of the sealing plate 404 is bent downwards, and the sealing effect of the sealing plate 4 can be further improved at the moment.
The sealing plate 404 is a rubber gasket, as an example.
As an example, the sealing assembly 4 further includes a fixing bolt 405, and the fixing bolt 405 sequentially passes through the first flange 2, the second flange 401, the third flange 402, and the fourth flange 403 from top to bottom, and threadedly connects the first flange 2, the second flange 401, the third flange 402, and the fourth flange 403. The connection mode of the connection through the fixing bolt 405 is convenient to install, the thread connection reliability is high, and the connection tightness among the first flange 2, the second flange 401, the third flange 402 and the fourth flange 403 can be ensured.
As an example, a fifth flange 3 is connected to a lower end of the pipe body 1, the fifth flange 3 is connected to an end of the plate body 5 away from the sealing assembly 4, and a centering device 6 is disposed on the plate body 5.
As an example, the material of the pipe body 1, the sealing assembly 4, the plate body 5 and the centering device 6 is High Density Polyethylene (HDPE). High density polyethylene is a highly crystalline, non-polar thermoplastic resin. The appearance of the original HDPE is milky white, and the micro-thin section is semitransparent to a certain degree. PE has excellent resistance to most domestic and industrial chemicals. The pipe body 1, the sealing component 4, the plate body 5 and the centering device 6 are made of high-density polyethylene, so that the durability of the device can be effectively guaranteed.
The invention also provides a multi-depth medicament injection method in the soil and underground water remediation process, which comprises the following steps:
s1, a well pipe 7 comprising two sections of screen pipes is stretched into the ground and penetrates through a first sand layer 8 (an upper screen section position), a clay layer 9 (a middle well pipe section position) and a second sand layer 14 (a lower screen section position);
s2, connecting the barrier of claims 1-6 with a first pipeline 10, wherein the first pipeline 10 penetrates through the barrier, and the first pipeline 10 extends into the position of an inner middle well pipe section of the well pipe 7 with the barrier, and the barrier blocks the well pipe 7;
s3, extending a second pipeline 11 into the position of the upper screening section in the well pipe 7;
s4, starting a medicine supply device 12, and conveying the medicine to the interiors of the first pipeline 10 and the second pipeline 11 through the medicine supply device 12;
s5, discharging the medicament from the first pipeline 10, diffusing the medicament into the second sand layer 14 through a first sieve pipe 13, discharging the medicament from the second pipeline 11, and diffusing the medicament into the first sand layer 8 through a second sieve pipe 15;
and S6, connecting a rubber hose to the ground surface well head at the exhaust port 201, and connecting a one-way valve (not shown in the figure) to exhaust air at the lower sieve section position through the exhaust hole.
By the method, the effect of blocking and sealing the inside of the well pipe is realized, the effect of layered medicine injection is realized, and the problem that medicine injection repair cannot be carried out on different depths through one repair well is solved.
As an example, the first pipe 10 passes through the first flange 2 of the barrier and is welded to the first flange 2. The welded connection mode is firm in connection and high in reliability, and the practicability of the device is guaranteed.
As an example, pressure gauges 16 are respectively provided on the first pipe 10 and the second pipe 11. The pressure gauge 16 is used for detecting the injection pressure of the first pipeline 10 and the second pipeline 11, and the injection pressure can be adjusted appropriately according to the display value of the pressure gauge 16.
As an example, in step S2, after the stopper is mounted inside the well pipe 7, the first pipe 10 is lifted upwards, so that the first pipe 10 moves the stopper upwards, and the edge of the sealing sheet 404 of the sealing assembly 4 is bent downwards. In the process that the blocker stretches into the well casing 7 along with the first pipeline 10, the sealing plate 404 contacts with the inner side wall of the well casing 7, the side edge of the sealing plate 404 is bent upwards, and after the sealing plate is inserted into a proper position, the first pipeline 10 is lifted upwards, so that the first pipeline 10 drives the blocker to move upwards, the sealing assembly 4 is promoted that the edge of the sealing plate 404 is bent downwards, and the sealing effect of the sealing plate 4 can be further improved at the moment.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a separation ware, its characterized in that, includes body (1), the upper end of body (1) is connected with first flange (2), be equipped with gas vent (201) on first flange (2), the lower surface of first flange (2) is connected with seal assembly (4), body (1) runs through seal assembly (4), the downside of seal assembly (4) is connected with plate body (5), plate body (5) bend into the tubulose encircle in the outside of body (1).
2. The barrier of claim 1, wherein the sealing assembly (4) comprises a second flange (401), a third flange (402), a fourth flange (403) and at least two sealing sheets (404), the second flange (401) being attached to the lower surface of the first flange (2), the sealing sheets (404) being attached between the second flange (401) and the third flange (402) and between the third flange (402) and the fourth flange (403), respectively.
3. The barrier of claim 2, wherein the sealing sheet (404) is a rubber gasket.
4. The barrier of claim 2, wherein the sealing assembly (4) further comprises a fixing bolt (405), the fixing bolt (405) sequentially penetrates through the first flange (2), the second flange (401), the third flange (402) and the fourth flange (403) from top to bottom, and screws the first flange (2), the second flange (401), the third flange (402) and the fourth flange (403).
5. The barrier of claim 1, wherein a fifth flange (3) is connected to the lower end of the tube body (1), the fifth flange (3) is connected to the end of the tube body (5) away from the sealing assembly (4), and a centering device (6) is disposed on the tube body (5).
6. The barrier as claimed in claim 5, wherein the tubular body (1), the sealing assembly (4), the plate body (5) and the centering device 6 are all made of high density polyethylene.
7. The multi-depth medicament injection method in the soil groundwater remediation process is characterized by comprising the following steps of:
s1, a well pipe (7) comprising two sections of screen pipes extends into the ground and penetrates through a first sand layer (8) (the position of an upper screen section), a clay layer (9) (the position of a middle well pipe section) and a second sand layer (14) (the position of a lower screen section);
s2, connecting the barrier of claims 1-6 with a first pipeline (10), wherein the first pipeline (10) penetrates through the barrier, and the first pipeline (10) extends into the position of an internal middle well pipe section of the well pipe (7) with the barrier, and the barrier blocks the well pipe (7);
s3, extending a second pipeline (11) into the position of the upper screen section in the well pipe (7);
s4, starting a medicine supply device (12), and conveying the medicine to the interiors of the first pipeline (10) and the second pipeline (11) through the medicine supply device (12);
s5, discharging the medicament from the first pipeline (10), diffusing the medicament into the second sand layer (14) through a first sieve tube (13), discharging the medicament from the second pipeline (11), and diffusing the medicament into the first sand layer (8) through a second sieve tube (15);
and the S6.201 part is connected with a rubber hose to the ground surface well head part and is connected with a one-way valve, so that air at the lower screening section position is discharged from the air outlet hole.
8. The soil groundwater remediation process multi-depth agent injection method as claimed in claim 6, wherein the first pipe (10) passes through the first flange (2) of the stopper and is welded to the first flange (2).
9. The soil groundwater remediation process multi-depth agent injection method as claimed in claim 6, wherein the first pipe (10) and the second pipe (11) are respectively provided with a pressure gauge (16).
10. The soil groundwater remediation process multi-depth agent injection method as claimed in claim 6, wherein in step S2, after the stopper is mounted to the inside of the well pipe (7), the first pipe (10) is lifted upwards, so that the first pipe (10) drives the stopper upwards, and the edge of the sealing sheet (404) of the sealing assembly (4) is caused to bend downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210998379.4A CN115159600A (en) | 2022-08-19 | 2022-08-19 | Barrier and multi-depth agent injection method in soil and underground water remediation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210998379.4A CN115159600A (en) | 2022-08-19 | 2022-08-19 | Barrier and multi-depth agent injection method in soil and underground water remediation process |
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| Publication Number | Publication Date |
|---|---|
| CN115159600A true CN115159600A (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210998379.4A Pending CN115159600A (en) | 2022-08-19 | 2022-08-19 | Barrier and multi-depth agent injection method in soil and underground water remediation process |
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| Country | Link |
|---|---|
| CN (1) | CN115159600A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205896488U (en) * | 2016-07-20 | 2017-01-18 | 杭州市环境集团有限公司 | Biogas collection well casing seal structure |
| CN109650572A (en) * | 2018-12-27 | 2019-04-19 | 博川环境修复（北京）有限公司 | A kind of circulation well for repairing polluted underground water and its flowing through contaminated soil |
| CN215696759U (en) * | 2021-06-18 | 2022-02-01 | 河北华勘地质勘查有限公司 | Injection equipment for in-situ remediation of soil with different pollution depths |
-
2022
- 2022-08-19 CN CN202210998379.4A patent/CN115159600A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205896488U (en) * | 2016-07-20 | 2017-01-18 | 杭州市环境集团有限公司 | Biogas collection well casing seal structure |
| CN109650572A (en) * | 2018-12-27 | 2019-04-19 | 博川环境修复（北京）有限公司 | A kind of circulation well for repairing polluted underground water and its flowing through contaminated soil |
| CN215696759U (en) * | 2021-06-18 | 2022-02-01 | 河北华勘地质勘查有限公司 | Injection equipment for in-situ remediation of soil with different pollution depths |
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