CN220167108U - Landfill leachate pumping and draining inclined horizontal well - Google Patents
Landfill leachate pumping and draining inclined horizontal well Download PDFInfo
- Publication number
- CN220167108U CN220167108U CN202321642735.5U CN202321642735U CN220167108U CN 220167108 U CN220167108 U CN 220167108U CN 202321642735 U CN202321642735 U CN 202321642735U CN 220167108 U CN220167108 U CN 220167108U
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- responsible
- pipe
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- section
- landfill
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- 238000005086 pumping Methods 0.000 title claims abstract description 44
- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 239000013049 sediment Substances 0.000 claims abstract description 9
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 12
- 238000009825 accumulation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a landfill leachate pumping and draining inclined horizontal well. The utility model is suitable for the technical field of landfill leachate pollution control. The utility model aims to solve the technical problems that: provides a landfill leachate pumping and draining inclined horizontal well. The technical scheme adopted by the utility model is as follows: the utility model provides a landfill leachate pump drainage recumbent well which characterized in that: including being responsible for, accessory pipe and linkage segment, be responsible for and have and be responsible for the horizontal segment and be responsible for the section of lying on one side, the accessory pipe has the horizontal segment of accessory pipe and the section of lying on one side of accessory pipe is all located be responsible for section of lying on one side and the section of lying on one side of accessory pipe inclined on one side of landfill site, linkage segment both ends communicate respectively and are responsible for section of lying on one side middle part and the section of lying on one side middle part, and the filtration liquid gets into its inside through the hole of flowers that establishes of being responsible for the horizontal segment, and its filtration part liquid level rises to linkage segment port department after the sediment, overflows to the holding intracavity of accessory pipe through the passageway in the linkage segment, and the rethread holds the pumping system that the intracavity portion was equipped with and arranges outside the landfill site.
Description
Technical Field
The utility model relates to the technical field of landfill leachate pollution control, in particular to a landfill leachate pumping and draining inclined well.
Background
For a long time, sanitary landfill is a main mode of harmless disposal of domestic garbage. In the landfill process, a large amount of landfill leachate is inevitably generated. The percolate has certain toxicity and pollution characteristics, and if the percolate is not controlled, potential threat is generated to the surrounding environment and the health of the exposed crowd. The orderly pumping and draining of the percolate is one of important works for controlling the pollution of the landfill. And the design, construction and maintenance of the inclined horizontal well are the key for realizing the pumping and drainage of the percolate.
The inclined well is the most important and common facility form in the landfill, the common arrangement form of the inclined well is a single pipeline arranged along the bottom and the side slope of the landfill pit, and the inclined well is formed by connecting a horizontal flower pipe section and an inclined solid pipe section, and a movable submersible sewage pump is arranged in the inclined well, so that pumping and draining operation of percolate is realized; however, current recumbent wells suffer from a number of disadvantages during use, including:
1. the percolate often contains a large amount of sediment and other impurities, the deposition of the sediment on the pipe section of the impeller can influence the efficiency of the built-in submersible sewage pump, and the tightness of the submersible sewage pump can be influenced when the sediment is serious, so that the impeller is irreversibly damaged;
2. under the condition of high percolate yield, the inclined horizontal well in a single-pipeline form is insufficient for timely draining percolate, and the consideration of a standby well is lacking, so that the phenomenon is more obvious in areas with high rainwater;
3. the conventional inclined well also has the problems of difficult installation, lack of an effective fixing mode, easy slippage of a pipeline and certain safety risk.
In summary, the existing inclined well with a single structure reduces the efficiency of percolate drainage to a certain extent, and influences the overall effect of controlling percolate pollution.
Disclosure of Invention
The utility model aims to solve the technical problems that: aiming at the problems, the pumping and draining inclined well for the landfill leachate is provided.
The technical scheme adopted by the utility model is as follows: the utility model provides a landfill leachate pump drainage recumbent well which characterized in that: including being responsible for, accessory pipe and linkage segment, be responsible for and have and be responsible for the horizontal segment and be responsible for the section of lying on one side, the accessory pipe has the horizontal segment of accessory pipe and the section of lying on one side of accessory pipe is all located be responsible for section of lying on one side and the section of lying on one side of accessory pipe inclined on one side of landfill site, linkage segment both ends communicate respectively and are responsible for section of lying on one side middle part and the section of lying on one side middle part, and the filtration liquid gets into its inside through the hole of flowers that establishes of being responsible for the horizontal segment, and its filtration part liquid level rises to linkage segment port department after the sediment, overflows to the holding intracavity of accessory pipe through the passageway in the linkage segment, and the rethread holds the pumping system that the intracavity portion was equipped with and arranges outside the landfill site.
Through above-mentioned technical means, regard as the device of collecting and precipitating the filtration liquid with being responsible for, set up the linkage segment and be located the reasonable slope position of side slope, with the help of the linkage segment with the stable overflow of filtration liquid after the layering to in the accessory pipe to carry out the drainage to filtration liquid after filtering through the pumping system in the accessory pipe, not only be favorable to reducing the wearing and tearing of sediment and impurity to pumping system in the filtration liquid, guarantee the life of impeller, can carry out effective drainage to filtration liquid moreover, guarantee filtration liquid drainage efficiency.
In some embodiments, the pumping system comprises a pumping device and a flexible pipeline, wherein the pumping device is arranged in the horizontal section of the auxiliary pipe, one end of the flexible pipeline is connected with the pumping device, and the other end of the flexible pipeline is connected to the outside of the landfill site along the auxiliary pipe.
Through the technical means, the filtered percolate is extracted by the pumping device and is discharged outside the landfill through the flexible pipeline, so that the percolate is effectively prevented from accumulating in the main pipe and the auxiliary pipe.
In some embodiments, the suction and exhaust system for standby is arranged in the main pipe.
Through above-mentioned technical means, through regard as reserve pump drainage pipe with the main pipe, when auxiliary pipe pump drainage ability is not enough, improve the filtration liquid pump drainage efficiency through double-barrelled pump drainage, also can guarantee that the recumbent well has stronger water-resistant volume load ability.
In some embodiments, the connecting section is inclined with respect to the horizontal direction, and an end of the connecting section connected with the main pipe is higher than an end of the connecting section connected with the auxiliary pipe.
Through the technical means, when filtered percolate in the main pipe is accumulated to the set point, the percolate flows from the main pipe to the auxiliary pipe automatically through the slope formed by the connecting section, so that the condition of excessive accumulation of the percolate in the main pipe is avoided.
The beneficial effects of the utility model are as follows:
1. the main pipe is used as a treatment unit for collecting, precipitating and removing impurities, the auxiliary pipe is used for storing the treated percolate, and the suction and exhaust system arranged in the auxiliary pipe is used as a suction and exhaust unit, so that the destructive influence of the precipitated impurities on the suction and exhaust system is effectively avoided, the working efficiency of the suction and exhaust system is ensured, and the service life of the suction and exhaust system is prolonged.
2. The main pipe and the auxiliary pipe are combined to form a standby mode, so that the overall water-resistant load capacity of the recumbent well is enhanced, the main pipe can timely guide and discharge percolate in the form of the standby well when the auxiliary pipe is insufficient, and the situations of rapid increase of the percolate yield, shutdown caused by facility maintenance and the like can be effectively solved.
3. The main pipe and the auxiliary pipe are connected into a whole through the connecting section, the stress points of the main pipe and the auxiliary pipe which are mutually connected are more uniform, and compared with a single pipe form, the integral structure of the main pipe and the auxiliary pipe is more stable, so that the phenomena of pipe deflection, slippage and sedimentation are effectively resisted to a certain extent, and the use safety and the long-term performance of the recumbent well are ensured.
Drawings
Fig. 1 is a top view of a landfill leachate pump drainage recumbent well according to an embodiment.
Fig. 2 is an elevation view of a landfill leachate pump drainage inclined shaft according to an embodiment.
Reference numerals illustrate:
1. a main pipe; 2. a secondary pipe; 3. a connection section; 4. sealing the blind plate; 5. flower holes; 6. a pumping device; 7. a flexible conduit; 8. a horizontal section of the main pipe; 9. a recumbent section of the main pipe; 10. a horizontal section of the secondary pipe; 11. the recumbent section of the secondary pipe.
Detailed Description
In order to make the person skilled in the art better understand the solution of the present utility model, the following describes the solution of the present utility model with reference to specific embodiments.
Referring to fig. 1 to 2, the embodiment is a landfill leachate pumping and draining inclined well, which comprises a main pipe 1, an auxiliary pipe 2 and a connecting section 3, wherein the main pipe 1 is composed of a main pipe horizontal section 8 and a main pipe inclined section 9, the main pipe horizontal section 8 is provided with a flower hole 5, the auxiliary pipe 2 is composed of an auxiliary pipe horizontal section 10 and an auxiliary pipe inclined section 11, a sealing blind plate 4 is arranged at the bottom of the auxiliary pipe 2, so that a containing cavity is formed in the auxiliary pipe horizontal section 10, the main pipe horizontal section 8 and the auxiliary pipe horizontal section 10 are all arranged in a water accumulation pit of the landfill, the main pipe inclined section 9 and the auxiliary pipe inclined section 11 are all arranged on a slope of the landfill, the connecting section 3 is arranged in the middle of the slope and is respectively communicated with the main pipe inclined section 9 and the auxiliary pipe inclined section 11, and a pumping and draining system is further arranged in the auxiliary pipe 2; thus, the percolate permeates into the main pipe horizontal section 8 from the flower holes 5, after impurities in the percolate are precipitated, the liquid level of the percolate in the filtered part is continuously raised in the main pipe recumbent section 9 until reaching the port of the connecting section 3, overflows into the accommodating cavity of the auxiliary pipe 2 through the channel in the connecting section 3, and meanwhile, the pumping and draining system pumps and drains the filtered percolate stored in the accommodating cavity out of the landfill.
Further, the pumping system comprises a pumping device 6 and a flexible pipeline 7, wherein the pumping device 6 is arranged in the secondary pipe horizontal section 10, one end of the flexible pipeline 7 is connected with the pumping device 6, and the other end of the flexible pipeline is connected to the outside of the landfill, so that the pumping device 6 pumps percolate in the secondary pipe horizontal section 10 and conveys the percolate to the outside of the landfill through the flexible pipeline 7.
Further, the standby pumping system is arranged in the main pipe 1 to form a standby mode, so that excessive accumulation of percolate caused by insufficient pumping capacity of the auxiliary pipe 2 is prevented, water-resistant capacity is improved, the pumping system in the auxiliary pipe 2 is only used for working under normal working conditions, the pumping system in the main pipe 1 and the auxiliary pipe 2 is started simultaneously when the yield of the percolate is increased rapidly, and the storage position of the pumping device 6 used in the main pipe 1 is higher than the sediment accumulation liquid level of the percolate to avoid abrasion of impellers caused by impurities precipitated in the percolate.
Further, in this embodiment, the main pipe horizontal section 8 is a pipe with holes 5, and the main pipe recumbent section 9, the auxiliary pipe horizontal section 10, the auxiliary pipe recumbent section 11 and the connecting section 3 are all solid wall pipes.
Further, the connecting section 3 is arranged at a proper position in the middle of the side slope and is inclined relative to the horizontal direction, one end of the connecting section 3 connected with the main pipe 1 is higher than one end connected with the auxiliary pipe 2, so that the internal channel of the connecting section 3 is inclined, when the percolate liquid level in the main pipe inclined section 9 reaches the connecting section 3, the percolate can naturally flow into the auxiliary pipe 2 for storage, the included angle between the connecting section 3 and the horizontal direction is not less than 2%, the included angle in the embodiment is 2%, the main pipe inclined section 9, the auxiliary pipe inclined section 11 and the connecting section 3 form an I-shaped structure on the side slope, the stability of the whole structure can be ensured, and the conditions of pipeline deflection, slippage and sedimentation are effectively prevented.
Further, be responsible for 1 bottom and be equipped with detachable apron, need the staff to examine regularly and be responsible for the impurity condition of piling up in the horizontal segment 8, if impurity pile up to the stifled hole of flowers 5 that results in the infiltration of filtration liquid can't be responsible for 1, then need the staff to demolish the apron and pile up impurity in will being responsible for the horizontal segment 8 and clear up to avoid influencing filtration liquid drainage efficiency.
The embodiment of the utility model provides an implementation principle of a landfill leachate pumping inclined horizontal well, which comprises the following steps:
the main pipe is used as a treatment unit for collecting, precipitating and removing impurities, and the low-impurity percolate is accumulated in the main pipe and overflows into the auxiliary pipe through a channel of the connecting section, and is pumped and discharged out of the landfill by a pumping and discharging system in the auxiliary pipe; meanwhile, the percolate treated by the pumping system is filtered by precipitation, so that the abrasion and influence of accumulated sediment and impurities on the pumping system are effectively avoided, the working efficiency of the pumping system is ensured, and the service life of the pumping system is prolonged.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (4)
1. The utility model provides a landfill leachate pump drainage recumbent well which characterized in that: including being responsible for (1), accessory pipe (2) and linkage segment (3), being responsible for has and is responsible for horizontal segment (8) and be responsible for inclined lying segment (9), accessory pipe has accessory pipe horizontal segment (10) and accessory pipe inclined lying segment (11), is responsible for inclined lying segment (9) and accessory pipe inclined lying segment (11) and all locates on the side slope of landfill site, linkage segment (3) both ends communicate respectively and are responsible for inclined lying segment (9) middle part and accessory pipe inclined lying segment (11) middle part, and the infiltration liquid gets into its inside through being responsible for flower hole (5) that horizontal segment (8) set up, and its filtration part liquid level rises to linkage segment (3) port department after the sediment, overflows to the holding intracavity of accessory pipe (2) through the passageway in linkage segment (3), and the rethread holds the pumping system that the intracavity portion was equipped with and arranges outside the landfill site.
2. A landfill leachate pump drainage recumbent well according to claim 1, wherein: the pumping system comprises a pumping device (6) and a flexible pipeline (7), wherein the pumping device (6) is arranged in the horizontal section (10) of the auxiliary pipe, one end of the flexible pipeline (7) is connected with the pumping device (6), and the other end of the flexible pipeline is connected with the outside of the landfill along the auxiliary pipe (2).
3. A landfill leachate pump drainage recumbent well according to claim 1, wherein: the main pipe (1) is internally provided with the pumping system for standby.
4. A landfill leachate pump drainage recumbent well according to claim 1, wherein: the connecting section (3) is inclined relative to the horizontal direction, and one end of the connecting section (3) connected with the main pipe (1) is higher than one end of the connecting section (3) connected with the auxiliary pipe (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321642735.5U CN220167108U (en) | 2023-06-27 | 2023-06-27 | Landfill leachate pumping and draining inclined horizontal well |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321642735.5U CN220167108U (en) | 2023-06-27 | 2023-06-27 | Landfill leachate pumping and draining inclined horizontal well |
Publications (1)
Publication Number | Publication Date |
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CN220167108U true CN220167108U (en) | 2023-12-12 |
Family
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Family Applications (1)
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CN202321642735.5U Active CN220167108U (en) | 2023-06-27 | 2023-06-27 | Landfill leachate pumping and draining inclined horizontal well |
Country Status (1)
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CN (1) | CN220167108U (en) |
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2023
- 2023-06-27 CN CN202321642735.5U patent/CN220167108U/en active Active
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