CN202672169U - Rainfall and recharging integrated device for foundation pit engineering - Google Patents
Rainfall and recharging integrated device for foundation pit engineering Download PDFInfo
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- CN202672169U CN202672169U CN 201220147893 CN201220147893U CN202672169U CN 202672169 U CN202672169 U CN 202672169U CN 201220147893 CN201220147893 CN 201220147893 CN 201220147893 U CN201220147893 U CN 201220147893U CN 202672169 U CN202672169 U CN 202672169U
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Abstract
The utility model discloses a rainfall and recharging integrated device for foundation pit engineering and belongs to the field of a building. The rainfall and recharging integrated device for the foundation pit engineering solves the technical problems that ground deformation and building damage are caused by decline of a peripheral water level, and the decline of the peripheral water level is caused by rainfall of a foundation pit. The rainfall and recharging integrated device for the foundation pit engineering comprises a rainfall well group, a recharging well group, a recharging water quality processing system and a rainfall and recharging monitor system. The recharging water quality processing system is connected with a rainfall well and a recharging well. The rainfall and recharging monitor system is composed of a water quality monitoring subsystem and a water level monitoring subsystem. The water quality monitoring subsystem is connected with the recharging water quality processing system. The utility model further provides a craft in which the rainfall and recharging integrated device is adopted to achieve rainfall and recharging for the foundation pit engineering. The utility model discloses a novel green groundwater control system. On the premise of ensuring safe control of the groundwater in the foundation pit, the novel green groundwater control system controls a groundwater level outside the foundation pit, and eliminates or weakens environmental deformation. Meanwhile, recharging cost is low and economic benefit is remarkable by recycling of water resources.
Description
Technical field
The utility model relates to building field, relates in particular to the water treatment facilities in a kind of base pit engineering, and particularly a kind of Ground Water Pumping during Excavation recharges integrated apparatus.
Background technology
For construction environment dry and safety is provided to base pit engineering, adopt the method for precipitation to reduce the excavation soil layer and may cause that the groundwater table in the aquifer that base plate of foundation pit pressure-bearing Shuitu is gushed is very necessary.But the reduction along with groundwater table; the effective weight stress of the following soil body of ground Central Plains water level increases; cause foundation soil body fixed; and then cause ground and building in the Rainfall Influence scope to produce the phenomenons such as differential settlement, inclination, cracking; jeopardize its safety and normal the use; on the other hand; resident oneself rights and interests protection consciousness promotes gradually; this has all caused the protection of foundation ditch surrounding enviroment to require more and more tight; for eliminating or reducing foundation pit dewatering to the impact of surrounding environment, usually adopt the method that water-stop curtain is set.But the water-stop curtain cost is high, and difficulty of construction is large, and seepage easily occurs.In view of the above-mentioned deficiency of water-stop curtain, based on the advantage such as economic, easy, feasible, the method for recharging is promoted gradually.Along with the development of the quick step of urban construction, quantity, scale, the degree of depth that foundation ditch is built are more and more large, some foundation pit dewatering even all reached m more than 40, and this has all extracted a large amount of underground water out from underground.Meanwhile, be the protection surrounding enviroment, recharging needs to use a large amount of water that can not pollute recharging the destination layer generation, and adopt tap water not only to improve and recharge cost, also be a kind of waste of resource simultaneously; The underground water of extracting out in the dewatering well is directly discharged the city's municipal pipeline of going down town, not only increased the burden of municipal pipeline, also wasted groundwater resources
The utility model content
For the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model provides precipitation, water treatment, recharge a kind of Ground Water Pumping during Excavation that carries out simultaneously recharges integrated apparatus.
A kind of Ground Water Pumping during Excavation of the utility model recharges integrated apparatus; comprise at least one dewatering well; at least one recharge well; dewatering well is arranged in the foundation ditch; comprise that also one is recharged Water quality processing system and a precipitation recharges monitoring system; a described end that recharges Water quality processing system be connected dewatering well and connect; a described other end that recharges Water quality processing system be connected recharge well and connect; described precipitation recharges monitoring system and is made of water quality monitoring subsystem and water level monitoring subsystem; described water quality monitoring subsystem is connected with the described Water quality processing system that recharges; described water level monitoring subsystem comprises a underground water position observation well; water level observation well and a protection building place water level observation well outside the hole; described underground water position observation well is arranged in the foundation ditch; water level observation well is arranged on the outside of described foundation ditch outside the described hole, and described protection building place water level observation well is arranged on the outside of protection building.
Further, the described Water quality processing system that recharges comprises a hydrotreater, described dewatering well with is connected aeration tank and connects, described aeration tank with is connected first booster pump and connects, described the first booster pump be connected the water inlet of hydrotreater and connect.
Further, the delivery port of described hydrotreater recharges water tank and connects with being connected, described recharge water tank and be connected second booster pump connect, described the second booster pump be connected recharge well and connect.
Further, be provided with a backwash water inlet and a backwash outfall in the described hydrotreater, described the second booster pump also be connected the backwash water inlet of hydrotreater and connect, the backwash outfall of described hydrotreater with is connected sedimentation basin and connects, described sedimentation basin is connected the blow-off pipe connection by an outer comb with municipal pipeline.
Further, described water quality monitoring subsystem is made of the first water monitoring device and the second water monitoring device, described aeration tank with is connected first water monitoring device and connects, described recharge water tank and be connected second water monitoring device connect.
Further, also be provided with one in the described recharge well and return and to raise pump, raise pump described time and be connected sedimentation basin and connect.
It is that the underground water that will extract out in the dewatering well recharges after water treatment is qualified into the target aquifer that a kind of Ground Water Pumping during Excavation of the present utility model recharges integrated apparatus, implements precipitation, water treatment, recharges the operational system of carrying out simultaneously.Solved because foundation pit dewatering causes the decline of foundation ditch periphery water level and caused the technical problem that stratum deformation and building destroy, the underground water that simultaneously pumping in the foundation ditch is gone out has namely been avoided groundwater pollution in the aquifer as recharging the water source after water treatment, solved again and taked tap water to cause as recharge water in the existing recharging technique to recharge the cost height, recharge inefficient defective, saved water resource, kept the relative equilibrium of groundwater environment system, improved and recharged efficient, reduced and recharged cost, reduce the pressure of municipal pipeline, realized green construction.The utility model is a kind of novel groundwater control system; utilize the monitoring system in the native system; can effectively control the inside and outside and construction of foundation ditch and build the water level at place; guarantee the safety that foundation ditch and construction are built; in guaranteeing foundation ditch under the prerequisite of underground water security control; effectively controlled the outer groundwater level of foundation ditch, eliminated or weakened corresponding environment distortion, society, benefits of environment and economy are remarkable simultaneously.
Beneficial features of the present utility model is as follows:
1) by the recharging of underground water, can effectively control the groundwater level of protection building area, and then the stratum deformation in the control protection building area, eliminate or reduce social loss.
The maintenance aspect that is set to groundwater recharge flow and recharge well of 2) recharging monitoring system provides guidance, is convenient to the on-the-spot control of recharging.
3) recharge the underground water that the water source goes out from pumping in the base pit engineering, tap water recharges and has greatly saved water resource relatively, can guarantee the relative equilibrium of water resource in the natural ecosystems for the aquifer, and the pumping water reuse can be satisfied the green construction requirement.
4) by the setting of Water quality processing system, can avoid recharging the pollution in aquifer, also can greatly reduce the obstruction of recharge well simultaneously.
5) groundwater recharge of dewatering well extraction goes back to former aquifer, has reduced the pressure of municipal pipeline, has reduced the waste of groundwater resources.
Description of drawings
Fig. 1 is the operational flow diagram that adopts a kind of Ground Water Pumping during Excavation of the present utility model to recharge integrated apparatus.
Fig. 2 is the structural representation that a kind of Ground Water Pumping during Excavation of the utility model recharges integrated apparatus.
Among the figure: 1, the outer water level in hole; 2, water barrier; 3, artesian aquifer; 4, foundation ditch; 5, dewatering well; 6, aeration tank; 7, the first booster pump; 8, SHGLM-2500 type filtration with manganese sand device; 9, recharge water tank; 10, the second booster pump; 11, recharge well; 12, sedimentation basin; 13, outer comb; 14, building to be protected; 15, water inlet; 16, outfall; 17, backwash water inlet; 18, backwash outfall; 19, underground water position observation well; 20, the outer water level observation well in hole; 21, protection building place water level observation well; 22, underground water position.
The specific embodiment
Below in conjunction with description of drawings embodiment of the present utility model is described in further detail, but this example also need not only limit the utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection domain of the present utility model in.
As shown in Figure 2; a kind of Ground Water Pumping during Excavation of the utility model recharges integrated apparatus; comprise at least one dewatering well 5; at least one recharge well 11; dewatering well 5 is arranged in the foundation ditch 4; comprise that also one is recharged Water quality processing system and a precipitation recharges monitoring system; a described end that recharges Water quality processing system be connected dewatering well 5 and connect; a described other end that recharges Water quality processing system be connected recharge well 11 and connect; described precipitation recharges monitoring system and is made of water quality monitoring subsystem and water level monitoring subsystem; described water quality monitoring subsystem recharges the Water quality processing system connection with being connected; described water level monitoring subsystem comprises a underground water position observation well 19; water level observation well 20 and a protection building place water level observation well 21 outside the hole; described underground water position observation well 19 is arranged in the foundation ditch 4; water level observation well 20 is arranged on the outside of described foundation ditch 4 outside the described hole, and described protection building place water level observation well 21 is arranged on the outside of protection building 14.
Further, the described Water quality processing system that recharges comprises a hydrotreater 8, described dewatering well 5 with is connected an aeration tank 6 and connects, described aeration tank 6 with is connected first booster pump 7 and connects, described the first booster pump 7 be connected the water inlet 15 of hydrotreater 8 and connect.
Further, the delivery port 16 of described hydrotreater 8 recharges water tank 9 and connects with being connected, described recharge water tank 9 and be connected second booster pump 10 connect, described the second booster pump 10 be connected recharge well 11 and connect.
Further, be provided with a backwash water inlet 17 and a backwash outfall 18 in the described hydrotreater 8, described the second booster pump 10 also and be connected backwash water inlet 17 connections of hydrotreater 8, the backwash outfall 18 of described hydrotreater 8 with is connected a sedimentation basin 12 and connects, described sedimentation basin 12 is connected the blow-off pipe connection by an outer comb 13 with municipal pipeline.
Further, described water quality monitoring subsystem is made of the first water monitoring device (not shown) and the second water monitoring device (not shown), described aeration tank 6 with is connected first water monitoring device and connects, described recharge water tank 9 and be connected second water monitoring device connect.
Further, also be provided with one in the described recharge well 11 and return and to raise the pump (not shown), raise pump described time and be connected sedimentation basin 12 and connect.
As shown in Figure 1, the utility model also provides and has adopted above-mentioned device to realize the technique that Ground Water Pumping during Excavation recharges, comprise a step of the water in the dewatering well 5 being carried out water level monitoring, if the water of dewatering well 5 meets the condition of extraction, extract, the water that extracts carries out water quality detection, if water quality detection is qualified, directly water is injected recharge well 11, if water quality detection is defective, carry out water treatment, also will carry out the detection of water quality to the water after the water treatment, inject recharge well 11 with detecting qualified water.
Further, also comprise a step that the water level in the recharge well 11 is monitored, in order to determine to draw water flow and recharge the water yield.
Further, also comprise a step that the outer water level of the water level in the foundation ditch 4, foundation ditch 4 and building to be protected 14 place's water levels are monitored.
The course of work of utility model is: the underground water suction of at first foundation ditch 4 one side dewatering wells 5 being extracted out is to the aeration tank 6, then carry out pending water analysis of water, if water quality meets the groundwater recharge standard, then directly recharge, otherwise, select suitable water quality treater according to the analysis of water report, select SHGLM-2500 type filtration with manganese sand device 8 in this example, behind the underground water aeration of extracting out, adopt the first booster pump 7 to inject pending water in the filtration with manganese sand device 8 by water inlet 15 and carry out water treatment, water after the processing enters through outfall 16 and recharges in the water tank 9, after Water quality processing system is stable, carry out the treated water analysis of water, if water quality meets the standard of recharging, the water that then will recharge in the pond 9 by the second booster pump 10 pours in the recharge well 11, otherwise, analyze the reason of water treatment failure, and take adequate measures to process.In the operation, according to the pump-out of the outer water level observation well 20 adjustment dewatering wells of underground water position observation well 19 and hole, the inside and outside SEA LEVEL VARIATION situation of foundation ditch in the assessment Precipitation Process; The water yield is recharged in water level adjustment according to Architectural Services Department to be protected water level observation well 21, the outer water level observation well 20 of underground water position observation well 19 and hole.Recharge in the process, disposal ability such as Water quality processing system reduces by 30% unlatching backwashing system, in filtration with manganese sand device 8, inject clean water (should use tap water) is subject to groundwater pollution with the processor 8 that purifies water manganese sand by recoil water inlet 17 with the second booster pump 10, counter-flushing liquid is discharged by sedimentation basin 12, make Water quality processing system can continue operation.In addition, when finding that recharge well 11 recharges Efficiency Decreasing, need open back and raise the processing of time raising that pump carries out recharge well.
Claims (6)
1. a Ground Water Pumping during Excavation recharges integrated apparatus; comprise at least one dewatering well; at least one recharge well; dewatering well is arranged in the foundation ditch; it is characterized in that: comprise that also one is recharged Water quality processing system and a precipitation recharges monitoring system; a described end that recharges Water quality processing system be connected dewatering well and connect; a described other end that recharges Water quality processing system be connected recharge well and connect; described precipitation recharges monitoring system and is made of water quality monitoring subsystem and water level monitoring subsystem; described water quality monitoring subsystem is connected with the described Water quality processing system that recharges; described water level monitoring subsystem comprises a underground water position observation well; water level observation well and a protection building place water level observation well outside the hole; described underground water position observation well is arranged in the foundation ditch; water level observation well is arranged on the outside of described foundation ditch outside the described hole, and described protection building place water level observation well is arranged on the outside of protection building.
2. a kind of Ground Water Pumping during Excavation as claimed in claim 1 recharges integrated apparatus, it is characterized in that: the described Water quality processing system that recharges comprises a hydrotreater, described dewatering well with is connected aeration tank and connects, described aeration tank with is connected first booster pump and connects, described the first booster pump be connected the water inlet of hydrotreater and connect.
3. a kind of Ground Water Pumping during Excavation as claimed in claim 2 recharges integrated apparatus, it is characterized in that: the delivery port of described hydrotreater recharges water tank and connects with being connected, described recharge water tank and be connected second booster pump connect, described the second booster pump be connected recharge well and connect.
4. a kind of Ground Water Pumping during Excavation as claimed in claim 3 recharges integrated apparatus, it is characterized in that: be provided with a backwash water inlet and a backwash outfall in the described hydrotreater, described the second booster pump also be connected the backwash water inlet of hydrotreater and connect, the backwash outfall of described hydrotreater with is connected sedimentation basin and connects, described sedimentation basin is connected the blow-off pipe connection by an outer comb with municipal pipeline.
5. a kind of Ground Water Pumping during Excavation as claimed in claim 3 recharges integrated apparatus, it is characterized in that: described water quality monitoring subsystem is made of the first water monitoring device and the second water monitoring device, described aeration tank with is connected first water monitoring device and connects, described recharge water tank and be connected second water monitoring device connect.
6. a kind of Ground Water Pumping during Excavation as claimed in claim 4 recharges integrated apparatus, it is characterized in that: also be provided with one in the described recharge well and return and to raise pump, raise pump described time and be connected sedimentation basin and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147893 CN202672169U (en) | 2012-04-10 | 2012-04-10 | Rainfall and recharging integrated device for foundation pit engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147893 CN202672169U (en) | 2012-04-10 | 2012-04-10 | Rainfall and recharging integrated device for foundation pit engineering |
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| CN202672169U true CN202672169U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220147893 Expired - Lifetime CN202672169U (en) | 2012-04-10 | 2012-04-10 | Rainfall and recharging integrated device for foundation pit engineering |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635122A (en) * | 2012-04-10 | 2012-08-15 | 上海广联建设发展有限公司 | Dewatering-recharging integrated device and process for foundation pit engineering |
| CN104594327A (en) * | 2015-01-13 | 2015-05-06 | 济南轨道交通集团有限公司 | Water settling, spring protection and recharging integrated device for foundation pit engineering |
| CN104594325A (en) * | 2015-01-13 | 2015-05-06 | 济南轨道交通集团有限公司 | Quaternary micro-confined water spring protection type recharging well and method |
| CN109930656A (en) * | 2019-04-22 | 2019-06-25 | 北京城建勘测设计研究院有限责任公司 | A kind of deep foundation pit precipitation recharge automatic monitoring device and monitoring method |
-
2012
- 2012-04-10 CN CN 201220147893 patent/CN202672169U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635122A (en) * | 2012-04-10 | 2012-08-15 | 上海广联建设发展有限公司 | Dewatering-recharging integrated device and process for foundation pit engineering |
| CN104594327A (en) * | 2015-01-13 | 2015-05-06 | 济南轨道交通集团有限公司 | Water settling, spring protection and recharging integrated device for foundation pit engineering |
| CN104594325A (en) * | 2015-01-13 | 2015-05-06 | 济南轨道交通集团有限公司 | Quaternary micro-confined water spring protection type recharging well and method |
| CN104594327B (en) * | 2015-01-13 | 2016-06-15 | 济南轨道交通集团有限公司 | A kind of Ground Water Pumping during Excavation Bao Quan recharges integrated apparatus |
| CN104594325B (en) * | 2015-01-13 | 2016-07-27 | 济南轨道交通集团有限公司 | A kind of Quaternary system low pressure water protects spring inverted well and method |
| CN109930656A (en) * | 2019-04-22 | 2019-06-25 | 北京城建勘测设计研究院有限责任公司 | A kind of deep foundation pit precipitation recharge automatic monitoring device and monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI TUNNEL ENGINEERING CO., LTD. Free format text: FORMER OWNER: SHANGHAI TUNNEL ENGINEERING CO LTD Effective date: 20150312 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200444 Shanghai city Baoshan District Jinqiu road 2399 Lane 198, building 1 B zone Patentee after: Shanghai Guanglian Construction Development Co.,Ltd. Patentee after: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. Address before: 200444 Shanghai city Baoshan District Jinqiu road 2399 Lane 198, building 1 B zone Patentee before: Shanghai Guanglian Construction Development Co.,Ltd. Patentee before: SHANGHAI TUNNEL Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150312 Address after: 200444 Shanghai city Baoshan District Jinqiu road 2399 Lane 198, building 1 B zone Patentee after: Shanghai Guanglian Construction Development Co.,Ltd. Patentee after: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. Address before: 200444 Shanghai city Baoshan District Jinqiu road 2399 Lane 198, building 1 B zone Patentee before: Shanghai Guanglian Construction Development Co.,Ltd. Patentee before: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200444 Shanghai city Baoshan District Jinqiu road 2399 Lane 198, building 1 B zone Patentee after: SHANGHAI GUANGLIAN ENVIRONMENTAL & GEOTECHNICAL ENGINEERING Co.,Ltd. Patentee after: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. Address before: 200444 Shanghai city Baoshan District Jinqiu road 2399 Lane 198, building 1 B zone Patentee before: Shanghai Guanglian Construction Development Co.,Ltd. Patentee before: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
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| CX01 | Expiry of patent term |