CN215403301U - Multiple-effect reaction type underground water circulating well - Google Patents
Multiple-effect reaction type underground water circulating well Download PDFInfo
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- CN215403301U CN215403301U CN202120324552.3U CN202120324552U CN215403301U CN 215403301 U CN215403301 U CN 215403301U CN 202120324552 U CN202120324552 U CN 202120324552U CN 215403301 U CN215403301 U CN 215403301U
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Abstract
The utility model belongs to the field of groundwater remediation, and particularly relates to a multiple-effect reaction type groundwater circulating well which comprises a well pipe, a closed partition plate, a filler net cage and a submersible pump, wherein the closed partition plate is arranged in the well pipe and divides the well pipe into an upper well pipe and a lower well pipe; the side walls of the bottoms of the upper well pipe and the lower well pipe are respectively provided with an upper well pipe flower hole and a lower well pipe flower hole; the submersible pump is communicated with the filler net cage through a pipeline; the upper well pipe flower holes are arranged below the underground water level. The utility model expands the technical application range, is not only suitable for volatile and semi-volatile organic polluted underground water, but also suitable for heavy metal or composite polluted underground water, greatly improves the remediation efficiency, and reduces the remediation cost and the maintenance cost.
Description
Technical Field
The utility model belongs to the field of groundwater remediation, and particularly relates to a multiple-effect reaction type groundwater circulating well.
Background
At present, the problem of groundwater pollution in China is very outstanding, engineering measures such as 'water and soil co-treatment' and the like are gradually developed and gradually improved along with the rapid development of the polluted site remediation industry in recent years, but practical technical methods for effectively remedying and treating groundwater pollution still need to be practiced and checked and accumulated with application experience.
The underground water pollution in-situ remediation reduces the ground treatment space for ex-situ treatment of pumped underground water, has strong remediation pertinence and wide application range, and is continuously increased in the practice of remediation engineering. Underground water circulating wells and in-situ zero-valent iron remediation techniques are common engineering techniques. The underground water circulating well technology aims at carrying out deep research on the aspects of synchronous repair of multiphase pollutants, optimized upgrade of a well body structure, intelligent regulation and control of hydrodynamic circulation, radius amplification of influence of a circulating well and the like. The development trend of the in-situ zero-valent iron restoration technology mainly focuses on the aspects of zero-valent iron adding mode, zero-valent iron reaction efficiency improvement, multi-technology coupling cooperative restoration and the like. The underground water circulating well technology is mainly used for repairing volatile and semi-volatile organic pollutants, and has no obvious repairing effect on heavy metal pollutants. The reaction efficiency of the zero-valent iron material used by the in-situ zero-valent iron restoration technology and the polluted underground water is greatly influenced by the flowability of the underground water, and how the zero-valent iron material is replaced in the underground water space after hardening or reaction saturation becomes the bottleneck of the technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a multi-effect reaction type underground water circulating well.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a multiple-effect reaction type underground water circulating well comprises a well pipe, a closed partition plate, a filler net cage and a submersible pump, wherein the closed partition plate is arranged in the well pipe and divides the well pipe into an upper well pipe and a lower well pipe; the side walls of the bottoms of the upper well pipe and the lower well pipe are respectively provided with an upper well pipe flower hole and a lower well pipe flower hole; the submersible pump is communicated with the filler net cage through a pipeline; the upper well pipe flower holes are arranged below the underground water level.
The filler net cage is connected with a coil arranged on the ground through a lifting rope.
The submersible pump is connected with a power supply arranged on the ground through a power line.
The medicine chest arranged on the ground is connected with the medicine conveying pipe; one end of the medicine conveying pipe extends to the upper well pipe perforated part above the filling net box.
The motor arranged on the ground is connected with the stirrer; one end of the stirrer extends to the upper well pipe perforated hole above the filler net cage.
And the top of the upper well pipe is provided with a well cover.
The well lid pass through the ring flange and be connected with last well pipe.
Compared with the prior art, the utility model has the beneficial effects that:
zero-valent iron is placed in the filler net box, so that the vertical flow of underground water can be increased, and the transverse diffusion of pollutants can be reduced; the polluted underground water is pumped by the submersible pump to react with zero-valent iron, and then contacts with corresponding chemical oxidation/reduction agents supplemented in the medicine chest to react again after reaction, so that the polluted underground water fully reacts with the zero-valent iron and the agents, and the pollution degree of the underground water is reduced; the pressure difference of the upper part and the lower part generated by the submersible pump carries the medicament and the groundwater with low pollution degree after reaction is discharged into the groundwater aquifer through the flower holes of the upper well pipe, so that the technical application range is expanded, the submersible pump is not only suitable for volatile and semi-volatile organic polluted groundwater, but also suitable for heavy metal or composite polluted groundwater, the remediation efficiency is greatly improved, and the remediation cost and the maintenance cost are reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the zero-valent iron of the present invention;
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
Fig. 1 shows a multiple effect reaction type underground water circulation well, comprising a well pipe 3, a closed partition 8 arranged in the well pipe to divide the well pipe into an upper well pipe and a lower well pipe, a stuffing net cage 12 arranged on the closed partition, and a submersible pump 5 arranged at the bottom of the lower well pipe; the side walls of the bottoms of the upper well pipe and the lower well pipe are respectively provided with an upper well pipe flower hole 9 and a lower well pipe flower hole 6; the submersible pump is communicated with the packing net cage through a pipeline 7. The upper well pipe flower holes are arranged below the underground water level. The filler net cage is connected with a coil 4 arranged on the ground through a lifting rope 1. The submersible pump is connected with a power supply 2 arranged on the ground through a power line 16. A medicine box 11 arranged on the ground is connected with a medicine conveying pipe; one end of the medicine conveying pipe extends to the upper well pipe perforated part above the filling net box. The motor 10 arranged on the ground is connected with the stirrer 14; one end of the stirrer is provided with a stirring head 13 and extends to the upper well pipe perforated part above the filler net cage. The top of the upper well pipe is provided with a well cover 15. Preferably, the well lid pass through the ring flange and be connected with last well pipe.
The inner diameter of the well pipe is 10-30 cm; the length of the upper well pipe flower hole is 20-40cm, and the length of the lower well pipe flower hole is 15-30 cm; zero-valent iron is filled in the filler net cage; the upper end of the upper well pipe flower hole is positioned below the groundwater level, and the lower edge of the upper well pipe flower hole is level with the upper edge of the filler net cage. The filler net cage is a water permeable net cage which can be detachably filled and replaced, and the outer diameter of the net cage is the same as the inner diameter of the well pipe. The distance between the medicine conveying pipe and the top of the filler net cage is 5-8 cm. The distance between the stirrer and the top plate of the filler net cage is 2-3 cm.
The multi-effect reaction type underground water circulating well device using the application comprises the following sequences and steps:
a. determining the well position and the well depth of a circulating well according to the hydrogeological conditions of the underground water polluted area, drilling a circulating well hole through a drilling machine, and arranging a final hole on a bottom plate of the polluted underground water;
b. determining the length of a well pipe 3 according to the well depth, arranging an upper well pipe flower hole 9 and a lower well pipe flower hole 6 on the well pipe 3, and setting the length of the flower holes according to the pollution condition;
c. the submersible pump 5 is arranged at the perforated hole 6 of the underground pipe through the lifting rope 1, and meanwhile, the power line 16 passes through the closed partition plate 8, the packing net cage 12 and the well cover 15 to be connected with the underground water power supply 2;
d. the medicine boxes 11 are respectively used for preparing and storing chemical reagents required by chemical oxidation reactions aiming at different pollutants; the medicine box may be provided in plural as necessary.
e. The circulating well is required to take out the polluted underground water filler net cage 12 and the submersible pump 5 for inspection and maintenance in time after 3-5 working days, so that the failure of working equipment and unnecessary loss are avoided.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (7)
1. A multiple-effect reaction type underground water circulating well is characterized by comprising a well pipe, a closed partition plate, a filler net cage and a submersible pump, wherein the closed partition plate is arranged in the well pipe and divides the well pipe into an upper well pipe and a lower well pipe; the side walls of the bottoms of the upper well pipe and the lower well pipe are respectively provided with an upper well pipe flower hole and a lower well pipe flower hole; the submersible pump is communicated with the filler net cage through a pipeline; the upper well pipe flower holes are arranged below the underground water level.
2. The multiple-effect reaction type underground water circulating well as claimed in claim 1, wherein the stuffing box is connected with a coil arranged on the ground through a lifting rope.
3. The multiple effect reaction type underground water circulation well according to claim 1, wherein the submersible pump is connected to a power source provided on the ground through a power line.
4. The multiple-effect reaction type underground water circulation well according to claim 1, wherein a medicine tank disposed on the ground is connected to the medicine delivery pipe; one end of the medicine conveying pipe extends to the upper well pipe perforated part above the filling net box.
5. The multiple effect reaction type underground water circulation well according to claim 1, wherein a motor provided at the ground is connected to the agitator; one end of the stirrer extends to the upper well pipe perforated hole above the filler net cage.
6. The multiple effect reaction type underground water circulation well according to claim 1, wherein a well cover is provided on the top of the upper well pipe.
7. The multiple-effect reaction type underground water circulating well as claimed in claim 6, wherein the well lid is connected with the upper well pipe through a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120324552.3U CN215403301U (en) | 2021-02-04 | 2021-02-04 | Multiple-effect reaction type underground water circulating well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120324552.3U CN215403301U (en) | 2021-02-04 | 2021-02-04 | Multiple-effect reaction type underground water circulating well |
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| Publication Number | Publication Date |
|---|---|
| CN215403301U true CN215403301U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120324552.3U Active CN215403301U (en) | 2021-02-04 | 2021-02-04 | Multiple-effect reaction type underground water circulating well |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321715A (en) * | 2022-09-06 | 2022-11-11 | 苏州乾兴环境工程有限公司 | Underground sewage restoration device and method for circulating well pipe of backwashing membrane reactor |
-
2021
- 2021-02-04 CN CN202120324552.3U patent/CN215403301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321715A (en) * | 2022-09-06 | 2022-11-11 | 苏州乾兴环境工程有限公司 | Underground sewage restoration device and method for circulating well pipe of backwashing membrane reactor |
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