CN216808175U - Adjustable circulating well device for in-situ remediation of underground water pollution - Google Patents
Adjustable circulating well device for in-situ remediation of underground water pollution Download PDFInfo
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- CN216808175U CN216808175U CN202220109432.6U CN202220109432U CN216808175U CN 216808175 U CN216808175 U CN 216808175U CN 202220109432 U CN202220109432 U CN 202220109432U CN 216808175 U CN216808175 U CN 216808175U
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Abstract
The utility model relates to an adjustable circulating well device for in-situ remediation of groundwater pollution in the technical field of groundwater remediation, which comprises: a filtering layer; at least one pumping and injecting unit which can be inserted into the inner hole of the filter layer in a sliding way and is hoisted by hoisting equipment; a drug injection pipeline; wherein, the drawing and annotating unit includes from the top down in proper order: an injection section for storing the liquid medicine; a telescopic structure which can be adjusted by up-down telescopic adjustment; extracting a section; wherein, be equipped with a switch-on and pour into a section of thick bamboo and draw out a section of thick bamboo, can go on the flexible pump injection pipe of flexible regulation from top to bottom to and locate in the flexible pump injection pipe and be arranged in will drawing a section of thick bamboo in the water body infusion pump of pouring into an inner chamber into. The distance between the injection section and the extraction section can be flexibly adjusted according to the size of the pollution range of underground water, so that the size of the circulation radius can be adjusted.
Description
Technical Field
The utility model relates to the technical field of groundwater remediation, in particular to an adjustable circulating well device for in-situ remediation of groundwater pollution.
Background
In recent years, along with the continuous promotion of urbanization progress, the land demand is accelerated, the utilization rate of industrial land transformed into re-developed land is accelerated, and the industrial land is transformed into sensitive land for residences, schools, parks and the like in large quantity.
The site remediation comprises soil remediation and groundwater remediation, the existing groundwater remediation is mainly divided into ex-situ remediation and in-situ remediation, and the ex-situ remediation is characterized by large engineering quantity, single and complex process flow, more input mechanical facilities, more environmental interference factors, reduced foundation bearing capacity, high cost and the like; compared with ex-situ restoration, the construction method has the characteristics of convenient and fast operation, simple structure, less environmental interference factors, small influence on the underground environment, low cost and the like.
At present, the in-situ remediation of underground water mainly comprises a chemical oxidation technology, an in-situ reaction zone technology, a biological aeration technology, a permeable reaction barrier technology and the like, the conventional in-situ remediation circulation well is aerated, gas and underground water are mixed and rise in an inner well, the gas reaches the position of an inner well floral tube, flows back to an area between the inner well and an outer well, and flows back to an aquifer through an outer well floral tube, meanwhile, the gas containing pollutants enters a gas collecting device, organic pollutants in the polluted aquifer can be effectively removed, but the whole remediation range is limited, the controllability is not strong, the types of pollutants are limited, and therefore the efficiency and the effect of underground water remediation are poor.
The prior underground water circulation well has the following defects in terms of the application performance of the actual circulation well:
1. the existing in-situ remediation needs to establish a special underground water circulation well, adopts an internal and external double-layer structure, has a complex structure, has higher difficulty in field installation and construction, and is not suitable for strata with weaker stratum bearing capacity stability;
2. most circulation wells achieve a circulation state by adopting aeration and air stripping modes, and the circulation wells are special for aeration devices and troublesome to replace and maintain;
3. the circulation well for removing pollutants in a gas stripping mode is mainly volatile organic compounds aiming at the types of the pollutants, is in a large environment with complex pollution factors due to underground water pollution, and has poor applicability to the remediation of other coupled pollutants;
4. for the pumping circulation well, the radial influence range can only reach five times of the distance between the centers of the pumping sections, the vertical influence range can only reach two times of the distance between the centers of the pumping sections, the groundwater environment is a dynamic process, pollutants can migrate along with the movement of groundwater, and the repair efficiency of the circulation well which is built by determining the repair range is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an adjustable circulating well device for in-situ remediation of underground water pollution, which can flexibly adjust the distance between an injection section and an extraction section according to the size of the underground water pollution range, thereby adjusting the size of a circulating radius.
The purpose of the utility model is realized as follows: an adjustable circulating well device for in-situ remediation of groundwater contamination comprising:
the filter layer is attached to the inner wall of the well hole, made of filter materials and used for filtering the circulating water body, and the filter layer forms a vertical cylinder structure;
at least one pumping and injecting unit which can be inserted into the inner hole of the filter layer in a sliding way and is hoisted by hoisting equipment;
the medicine injection pipeline comprises a medicine box arranged on the ground surface and a telescopic medicine injection pipe communicated with the medicine box, and the length of the telescopic medicine injection pipe can be telescopically adjusted;
wherein, the drawing and annotating unit includes from top to bottom in proper order:
the injection section comprises a vertical injection cylinder with a plurality of filter holes on the circumferential wall and two seal plates for respectively packaging the upper end and the lower end of the injection cylinder, and the output end of the telescopic injection tube penetrates through the seal plate at the upper end of the injection cylinder and is communicated with the inner cavity of the injection cylinder;
a telescopic structure which can be adjusted by up-down telescopic adjustment;
the extraction section comprises a vertical extraction cylinder with a plurality of filter holes on the circumferential wall and two seal plates for respectively sealing the upper end and the lower end of the extraction cylinder, and the seal plate at the upper end of the extraction cylinder is connected with the seal plate at the lower end of the injection cylinder through a telescopic structure;
the telescopic structure is internally provided with a telescopic pumping and injecting pipe which is communicated with the injection cylinder and the extraction cylinder and can be regulated in a vertical telescopic way, and a pumping and injecting pump which is arranged in the telescopic pumping and injecting pipe and is used for infusing water in the extraction cylinder into the inner cavity of the injection cylinder.
The utility model has the beneficial effects that:
1. a special circulation well does not need to be established, the installation process is convenient, the structure is simple, and the operation is convenient;
2. the distance between the injection section and the extraction section can be flexibly adjusted according to the size of the pollution range of underground water, so that the size of the circulation radius can be adjusted;
3. the data of the content change of the pollutants in the underground water can be known in real time, and the monitoring is convenient.
Drawings
Fig. 1 is a system layout diagram of the present invention.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
As shown in fig. 1, an adjustable circulating well device for in-situ remediation of groundwater pollution comprises:
the filter layer 8 is attached to the inner wall of the well hole, made of filter materials and used for filtering the circulating water body, and the filter layer 8 forms a vertical cylinder structure;
the pumping and injecting units are slidably inserted into the inner hole of the filter layer 8 and are hung by the hoisting equipment 14, in the embodiment, two or more pumping and injecting units are arranged, and any two adjacent pumping and injecting units are adjustably connected up and down through a plurality of studs, so that the underground water treatment range is flexibly adjusted;
injection pipeline, injection pipeline is including locating the medical kit 9 on earth's surface and the flexible injection pipe 12 of 9 switches-ons of medical kit, the medical kit 9 embeds there is the liquid medicine that is used for improving groundwater quality, the scalable regulation setting of the pipe length of flexible injection pipe 12, injection pipeline still includes injection pump 10 and sets up the drawing liquid valve 11 to solenoid valve or manual valve, drawing liquid valve 11 is opened when annotating the medicine, injection pump 10 sets up in flexible injection pipe 12 and is used for pumping the liquid medicine in the medical kit 9 to injection section 1, drawing liquid valve 11 is installed in flexible injection pipe 12, injection pipeline still is including being used for real-time supervision liquid medicine output flow, and transmit control platform's flowmeter 13 with the monitoring result, flowmeter 13 is installed in flexible injection pipe 12.
Wherein, the above-mentioned pump notes unit includes from the top down in proper order:
the injection section 1 is used for storing liquid medicine, the injection section 1 comprises a vertical injection cylinder 101, the circumferential wall of which is provided with a plurality of filter holes, and two seal plates which respectively seal the upper end and the lower end of the injection cylinder 101, the upper end seal plate of the injection cylinder 101 is provided with a mounting opening and is detachably connected with a top cover 102 which covers the mounting opening, and the output end of the telescopic injection pipe 12 passes through the top cover 102 of the upper end seal plate of the injection cylinder 101 and is communicated with the inner cavity of the injection cylinder 101;
the telescopic structure 3 can be adjusted by up-down telescopic adjustment, the telescopic structure 3 can be automatically telescopic (a telescopic oil cylinder is arranged inside) or manually adjusted to be telescopic, and the telescopic adjustment mode is not limited;
the extraction section 2, extraction section 2 include vertical, its circumference wall set up a plurality of filtration pores's an extraction section of thick bamboo 201 to and encapsulate two shroudings of lower extreme on an extraction section of thick bamboo 201 respectively, extraction section of thick bamboo 201 upper end shrouding is connected through extending structure 3 and the shrouding of injecting into a section of thick bamboo 101 lower extreme.
Wherein, be equipped with one and put through a section of thick bamboo 101 and a section of thick bamboo 201 of drawing in the extending structure 3, can carry out the flexible pump injection pipe 5 of telescopic adjustment from top to bottom to and locate in the flexible pump injection pipe 5 and be used for infusing the pump injection pump 4 of a section of thick bamboo 101 inner chamber of pouring in with a section of thick bamboo 201 water body.
When the circulation is formed, the pumping and injecting pump 4 operates to enable negative pressure to be formed in the pumping cylinder 201 to attract underground water, the underground water enters the pumping cylinder 201 through the filtering effect of the filtering layer 8 and the screen mesh, then is pumped into the injecting cylinder 101 through the pumping and injecting pump 4 to be mixed with the liquid medicine so as to improve the water quality of the underground water, then the improved underground water passes through the filtering layer 8 after passing through the filtering holes of the injecting cylinder 101 and then flows into the pumping cylinder 201 again, so that circulation is formed, and the circulation is repeated, so that the water quality of the underground water can be continuously improved.
The telescopic pumping and injecting pipe 5 is internally provided with a flow sensor 6 which can transmit water flow information to the control platform.
The telescopic structure 3 is provided with a water quality monitor 7 which is used for monitoring the water quality of underground water in real time and transmitting a monitoring result to the control platform. The data of the content change of the pollutants in the underground water can be known in real time, and the monitoring is convenient.
The above-mentioned lateral wall that pours into a section of thick bamboo 101, an extraction section of thick bamboo 201 into all wraps up has the screen cloth that blocks the entering of silt, prevents that silt from getting into and pours into a section of thick bamboo 101, an extraction section of thick bamboo 201 into to avoid silt to influence the life of pump 4.
While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. An adjustable circulating well device for in-situ remediation of groundwater pollution, comprising:
the filter layer (8) is attached to the inner wall of the well hole, made of filter materials and used for filtering the circulating water body, and the filter layer (8) forms a vertical cylinder structure;
at least one pumping and injecting unit which can be inserted into the inner hole of the filter layer (8) in a sliding way and is hoisted by the hoisting equipment (14);
the medicine injection pipeline comprises a medicine box (9) arranged on the ground surface and a telescopic medicine injection pipe (12) communicated with the medicine box (9), and the length of the telescopic medicine injection pipe (12) can be telescopically adjusted;
wherein, the drawing and annotating unit includes from top to bottom in proper order:
the injection section (1) is used for storing liquid medicine, the injection section (1) comprises a vertical injection cylinder (101) with a plurality of filter holes formed in the circumferential wall, and two seal plates which respectively seal the upper end and the lower end of the injection cylinder (101), and the output end of the telescopic injection pipe (12) penetrates through the seal plate at the upper end of the injection cylinder (101) and is communicated with the inner cavity of the injection cylinder (101);
a telescopic structure (3) which can be adjusted up and down;
the extraction section (2) comprises a vertical extraction cylinder (201) with a plurality of filter holes on the circumferential wall, and two seal plates for respectively sealing the upper end and the lower end of the extraction cylinder (201), wherein the seal plates at the upper end of the extraction cylinder (201) are connected with the seal plates at the lower end of the injection cylinder (101) through a telescopic structure (3);
the telescopic structure (3) is internally provided with a telescopic pumping and injecting pipe (5) which is communicated with the injection cylinder (101) and the extraction cylinder (201) and can be regulated in a vertical telescopic mode, and a pumping and injecting pump (4) which is arranged in the telescopic pumping and injecting pipe (5) and is used for infusing water in the extraction cylinder (201) into the inner cavity of the injection cylinder (101).
2. The controllable circulating well device for in-situ remediation of groundwater pollution according to claim 1, wherein: and a flow sensor (6) capable of transmitting water flow information to the control platform is arranged in the telescopic pumping and injecting pipe (5).
3. The controllable circulating well device for in-situ remediation of groundwater pollution according to claim 1, wherein: the injection pipeline still includes:
the medicine injection pump (10) is arranged in the telescopic medicine injection pipe (12) and is used for pumping the medicine liquid in the medicine box (9) out to the injection section (1);
the liquid extraction valve (11) is arranged as an electromagnetic valve or a manual valve, and the liquid extraction valve (11) is arranged in the telescopic medicine injection pipe (12).
4. The controllable circulating well device for in-situ remediation of groundwater pollution according to claim 3, wherein: the injection pipeline still includes:
the flow meter (13) is used for monitoring the output flow of the liquid medicine in real time and transmitting a monitoring result to the control platform, and the flow meter (13) is arranged in the telescopic medicine injection pipe (12).
5. The controllable circulating well device for in-situ remediation of groundwater pollution according to claim 1, wherein: the upper end sealing plate of the injection cylinder (101) is provided with an installation opening, and a top cover (102) covering the installation opening is detachably connected.
6. The controllable circulating well device for in-situ remediation of groundwater pollution according to claim 1, wherein: the water quality monitoring instrument (7) used for monitoring the water quality of underground water in real time and transmitting the monitoring result to the control platform is installed on the telescopic structure (3).
7. The controllable circulating well device for in-situ remediation of groundwater pollution according to claim 1, wherein: the outer side walls of the injection cylinder (101) and the extraction cylinder (201) are wrapped with screens for blocking silt from entering.
8. A regulated circulating well apparatus for in situ remediation of groundwater pollution as claimed in any of claims 1 to 7, wherein: the pumping and injecting units are provided with two or more than two, and any two adjacent pumping and injecting units are connected in an up-and-down adjustable mode through a plurality of studs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220109432.6U CN216808175U (en) | 2022-01-17 | 2022-01-17 | Adjustable circulating well device for in-situ remediation of underground water pollution |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220109432.6U CN216808175U (en) | 2022-01-17 | 2022-01-17 | Adjustable circulating well device for in-situ remediation of underground water pollution |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118084108A (en) * | 2024-04-24 | 2024-05-28 | 江苏赫尔墨斯环境修复有限公司 | Construction method of permeable reactive barrier for groundwater treatment |
| CN118164561A (en) * | 2024-05-14 | 2024-06-11 | 江苏赫尔墨斯环境修复有限公司 | Permeable reactive barrier construction method applied to deep groundwater treatment |
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2022
- 2022-01-17 CN CN202220109432.6U patent/CN216808175U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118084108A (en) * | 2024-04-24 | 2024-05-28 | 江苏赫尔墨斯环境修复有限公司 | Construction method of permeable reactive barrier for groundwater treatment |
| CN118084108B (en) * | 2024-04-24 | 2024-07-26 | 江苏赫尔墨斯环境修复有限公司 | Construction method of permeable reactive barrier for groundwater treatment |
| CN118164561A (en) * | 2024-05-14 | 2024-06-11 | 江苏赫尔墨斯环境修复有限公司 | Permeable reactive barrier construction method applied to deep groundwater treatment |
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