CN211621640U - Well water circulating system of foundation pit dewatering well - Google Patents
Well water circulating system of foundation pit dewatering well Download PDFInfo
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- CN211621640U CN211621640U CN201922247032.2U CN201922247032U CN211621640U CN 211621640 U CN211621640 U CN 211621640U CN 201922247032 U CN201922247032 U CN 201922247032U CN 211621640 U CN211621640 U CN 211621640U
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Abstract
The utility model relates to a well water circulating system of foundation ditch precipitation well belongs to groundwater cyclic utilization technical field, it is including establishing the precipitation well in the foundation ditch, be equipped with the drinking-water pipe in the precipitation well, drinking-water pipe fixedly connected with suction pump, the drinking-water pipe intercommunication has the sedimentation tank, the interval is provided with first baffle and second baffle in the sedimentation tank, first baffle and second baffle are cut apart into the one-level deposit room with the sedimentation tank, second grade deposit room and tertiary deposit room, first baffle, the height that highly is less than the sedimentation tank of second baffle, first baffle is in between one-level deposit room and the second grade deposit room, drinking-water pipe and one-level deposit room intercommunication. The utility model discloses have the effect that can satisfy different levels of water requirements.
Description
Technical Field
The utility model relates to a groundwater cyclic utilization technical field, in particular to well water circulating system of foundation ditch precipitation well.
Background
The foundation pit dewatering refers to dewatering work performed for ensuring that the foundation pit can be constructed under a dry condition and preventing slope instability, foundation quicksand, pit bottom uplift, pit bottom piping and foundation bearing capacity reduction when the underground water level is higher than the excavation bottom surface when the foundation pit is excavated.
When carrying out precipitation to the foundation ditch, generally set up the precipitation well in the foundation ditch, groundwater is behind the precipitation well internal distance, takes out water to ground discharge again to guarantee the normal clear of each item construction in the foundation ditch. Because the water pumped out in the precipitation well can reach the demand of many construction temporary water, in order to the water economy resource, often recycle after the water treatment in the precipitation well.
The existing Chinese patent with reference to publication number CN204475356U discloses a system for recycling precipitation well water in an open cut foundation pit of a subway station, which comprises the open cut foundation pit of the subway station, wherein the precipitation well is arranged in the open cut foundation pit of the subway station, a water pumping pipe orifice of a water pump is arranged in the precipitation well, a water outlet pipe orifice of the water pump is communicated with a water inlet of a precipitation filter water pool, a water pump is arranged on a water outlet of the precipitation filter water pool, a water outlet of the water pump is communicated with a water inlet of a water tower, a water pressurizing device is arranged on the water outlet of the water tower, and a temporary water pipeline for a construction site is connected to a water outlet of the water pressurizing device.
The above prior art solutions have the following drawbacks: the adopted sedimentation filter water tank is used for simply settling the pumped water, can only be used in places with lower water quality requirements, cannot meet the water requirement of places with higher water quality requirements, cannot realize more reasonable utilization of the pumped water in the dewatering well, and causes lower utilization rate of water resources.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a well water circulating system of foundation ditch precipitation well, it has the effect that can satisfy different rank water requirements.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a well water circulating system of foundation ditch precipitation well, including establishing the precipitation well in the foundation ditch, be equipped with the drinking-water pipe in the precipitation well, drinking-water pipe fixedly connected with suction pump, the drinking-water pipe intercommunication has the sedimentation tank, the interval is provided with first baffle and second baffle in the sedimentation tank, first baffle and second baffle are cut apart into the one-level deposit room with the sedimentation tank, second grade deposit room and tertiary deposit room, first baffle, the height that highly is less than the sedimentation tank of second baffle, first baffle is in between one-level deposit room and the second grade deposit room, drinking-water pipe and one-level deposit room intercommunication.
Through adopting above-mentioned technical scheme, the suction pump subsides in the one-level precipitation chamber behind the water suction pump in with the precipitation well through the drinking-water pipe, and behind the water level in the one-level precipitation chamber was higher than first baffle, in overflow to the second grade precipitation chamber, carry out the secondary and deposit in the second grade precipitation chamber, then the quality of water in the second grade precipitation chamber is superior to the quality of water in the one-level precipitation chamber. After the water level in the second grade precipitation chamber is higher than the second baffle, overflow to the tertiary precipitation chamber in, carry out the cubic and deposit in the tertiary precipitation chamber, then the quality of water in the tertiary precipitation chamber is better, can be used for the higher place of quality of water requirement, and the hydroenergy in the one-level precipitation chamber can be used for the lower place of quality of water requirement, realizes carrying out the hierarchical processing to the water in the precipitation well, can satisfy different grades of water requirements, more reasonable to the use of water resource, improve the utilization ratio of water resource.
The present invention may be further configured in a preferred embodiment as: the first-level precipitation chamber is communicated with a first drain pipe, the second-level precipitation chamber is communicated with a second drain pipe, and the third-level precipitation chamber is communicated with a third drain pipe.
By adopting the technical scheme, when the water in the primary sedimentation chamber is used, the water is directly discharged for use through the first water discharge pipe; when the water in the secondary sedimentation chamber is used, the water is directly discharged for use through a second water discharge pipe; when using the water in the tertiary precipitation chamber, directly discharge through the third drain pipe, do not need the independent fixed drain pipe when using at every turn, convenience when improving the use to improve the efficiency of construction.
The present invention may be further configured in a preferred embodiment as: the height of the first baffle is higher than that of the second baffle.
Through adopting above-mentioned technical scheme, the water in the second grade precipitation chamber is higher than behind the second baffle and overflows and subside to carrying out the cubic in the tertiary precipitation chamber, can prevent that cleaner water in the second grade precipitation chamber from flowing back to in the first-order precipitation chamber through the top of first baffle. Simultaneously, the height of first baffle is higher than the height of second baffle, can prevent that the water of one-level drip chamber from not depositing and directly getting into tertiary drip chamber through the second grade drip chamber, improves the quality of water in the tertiary drip chamber.
The present invention may be further configured in a preferred embodiment as: the top surface of the first baffle is provided with a clamping groove, a first filter screen is arranged in the clamping groove, and a fixing assembly is connected between the first filter screen and the sedimentation tank.
Through adopting above-mentioned technical scheme, first filter screen filters the water that gets into the second grade deposit room, reduces the fixed impurity that gets into in the second grade deposit room, helps improving the settlement efficiency in the second grade deposit room. First filter screen inlays in the inlay card inslot, through fixed subassembly and sedimentation tank fixed connection, is convenient for take off first filter from first baffle and clears up or change, reduces the condition that first filter screen is blockked up.
The present invention may be further configured in a preferred embodiment as: the fixing assembly comprises a fixing piece and a fixing bolt, the fixing piece is fixedly connected with the first filter screen, and the fixing bolt penetrates through the fixing piece and is in threaded connection with the sedimentation tank.
Through adopting above-mentioned technical scheme, stationary blade and fixing bolt are with first filter screen and sedimentation tank fixed connection, firm in connection, and simple structure, be convenient for realize.
The present invention may be further configured in a preferred embodiment as: the second baffle is detachably connected with a second filter screen, and the filter diameter of the second filter screen is smaller than that of the first filter screen.
Through adopting above-mentioned technical scheme, the solid impurity in the second filter screen filtration second grade precipitation chamber reduces the fixed impurity that gets into in the tertiary precipitation chamber, further improves the quality of water in the tertiary precipitation chamber to be used for the higher place of water quality requirement with the water in the tertiary precipitation chamber.
The present invention may be further configured in a preferred embodiment as: the bottom surfaces of the first-stage settling chamber, the second-stage settling chamber and the third-stage settling chamber are all concave in the middle.
Through adopting above-mentioned technical scheme, the position gathering that the impurity in one-level drip chamber, second grade drip chamber, the tertiary drip chamber is sunken in the middle of the bottom reduces the condition that the deposit is aroused by the water disturbance, improves the quality of water on the upper strata in one-level drip chamber, second grade drip chamber, the tertiary drip chamber, and simultaneously, impurity is in same position gathering, is convenient for clear up the sedimentation tank bottom.
The present invention may be further configured in a preferred embodiment as: the bottom ends of the first-stage settling chamber, the second-stage settling chamber and the third-stage settling chamber are communicated with a blow-off pipe, and a blow-off valve is fixedly connected to the blow-off pipe.
By adopting the technical scheme, the switch valve is opened, and the part of the sediment at the bottom of the first-level sedimentation chamber, the second-level sedimentation chamber and the third-level sedimentation chamber is discharged through the drain pipe, so that a worker does not need to frequently clean impurities such as the sediment in the sedimentation tank, the cleaning times are reduced, and the labor intensity of the worker is reduced.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the first baffle and the second baffle are arranged to carry out graded sedimentation on water pumped out by the dewatering well, so that the water quality in the primary sedimentation chamber, the secondary sedimentation chamber and the tertiary sedimentation chamber is sequentially improved, and the requirements of different levels of water use can be met;
2. set up first filter screen and second filter screen, improve and subside efficiency, further promote the quality of water in second grade deposit room and the tertiary deposit room.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view for illustrating the construction of the first baffle, the second baffle, the soil exhaust pipe, and the soil exhaust valve.
Fig. 3 is a schematic view for showing the structure of the caulking groove, the first drain pipe, the second drain pipe and the third drain pipe.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Reference numerals: 1. a foundation pit; 11. dewatering wells; 12. a water pumping pipe; 121. a water pump; 2. a sedimentation tank; 21. a primary settling chamber; 211. a first drain pipe; 212. opening and closing the valve; 213. a blow-off pipe; 214. a blowdown valve; 215. a circulation pump; 22. a secondary settling chamber; 221. a second drain pipe; 23. a third-stage settling chamber; 231. a third drain pipe; 3. a first baffle plate; 31. a clamping groove; 32. a first filter screen; 4. a second baffle; 41. a second filter screen; 5. a fixing assembly; 51. a fixing sheet; 52. and (5) fixing the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a well water circulating system of foundation ditch precipitation well, including foundation ditch 1, be equipped with precipitation well 11 in foundation ditch 1, the intercommunication has drinking-water pipe 12 in precipitation well 11, and the one end intercommunication that precipitation well 11 was kept away from to drinking-water pipe 12 has sedimentation tank 2, fixedly connected with suction pump 121 on the drinking-water pipe 12.
The water pump 121 discharges the water in the precipitation well 11 into the sedimentation tank 2 through the water suction pipe 12 for sedimentation and then recycling, so that the utilization rate of water resources is improved.
Referring to fig. 2, the sedimentation tank 2 is a cubic structure with an open top, a first vertical baffle 3 and a second vertical baffle 4 are arranged in the sedimentation tank 2 at intervals, the first baffle 3 is a rectangular plate-shaped structure, the length direction of the first baffle 3 is perpendicular to that of the sedimentation tank 2, the side surface and the bottom surface of the first baffle 3 are both abutted and fixedly connected with the inner wall of the sedimentation tank 2, and the height of the first baffle 3 is lower than that of the top surface of the sedimentation tank 2. 4 rectangular plate-shaped structures of second baffle, the length direction of second baffle 4 is perpendicular with the length direction of sedimentation tank 2, and the side, the bottom surface of second baffle 4 all with 2 inner walls butts of sedimentation tank, the height that highly are less than first baffle 3 of second baffle 4. The sedimentation tank 2 is divided into a first-level sedimentation chamber 21, a second-level sedimentation chamber 22 and a third-level sedimentation chamber 23 by the first baffle 3 and the second baffle 4, the first baffle 3 is positioned between the first-level sedimentation chamber 21 and the second-level sedimentation chamber 22, the second baffle 4 is positioned between the second-level sedimentation chamber 22 and the third-level sedimentation chamber 23, and the water pumping pipe 12 is communicated with the first-level sedimentation chamber 21.
The water pumped by the pumping pipe 12 is settled in the primary settling chamber 21, overflows to the secondary settling chamber 22 after the water level is higher than the first baffle 3, and is subjected to secondary settling in the secondary settling chamber 22. After the water level in the second-stage settling chamber 22 is higher than the second baffle 4, the water overflows into the third-stage settling chamber 23, and three-stage settling is performed in the third-stage settling chamber 23, so that the water in the dewatering well 11 is subjected to stage treatment, and the requirements of different levels of water use can be met.
Referring to fig. 3, a first drain pipe 211 is communicated with the side wall of the primary settling chamber 21, the first drain pipe 211 is lower than the first baffle 3, and a switch valve 212 is fixedly connected to the first drain pipe 211. The side wall of the secondary sedimentation chamber 22 is communicated with a second water drainage pipe 221, the second water drainage pipe 221 is lower than the second baffle 4, and the same switch valve 212 is fixedly connected to the second water drainage pipe 221. The side wall of the third-stage settling chamber 23 is communicated with a third water discharge pipe 231, and the same switch valve 212 is fixedly connected to the third water discharge pipe 231.
Referring back to fig. 2, the bottom surfaces of the first-stage settling chamber 21, the second-stage settling chamber 22 and the third-stage settling chamber 23 are all of a concave structure in the middle, so that the sediments can be conveniently gathered. The sedimentation tank 2 is communicated with three drainage pipes 213, the three drainage pipes 213 are respectively communicated with the bottom surfaces of the first-stage sedimentation chamber 21, the second-stage sedimentation chamber 22 and the third-stage sedimentation chamber 23, sediments can be conveniently discharged, and a drainage valve 214 is fixedly connected to the drainage pipe 213.
The first-level settling chamber 21, the second-level settling chamber 22 and the third-level settling chamber 23 are respectively provided with drain pipes, so that different water qualities can be conveniently selected according to actual needs, and the reasonable utilization of water resources is improved. When the sediment is cleaned, the sewage valve 214 is opened to discharge the sediment through the sewage pipe 213.
Referring to fig. 3, the top surface of the first blocking plate 3 is provided with a clamping groove 31, and the length of the clamping groove 31 is the same as that of the first blocking plate 3. The embedded card of inlay card groove 31 has first filter screen 32, the vertical setting of first filter screen 32, and the bottom inlays in inlay card groove 31 and inlay card groove 31 inner wall butt, the side of first filter screen 32 and the inner wall butt of sedimentation tank 2.
With reference to fig. 3 and 4, a fixing assembly 5 is arranged between the top end of the first filter screen 32 and the top surface of the sedimentation tank 2, the fixing assembly 5 comprises a fixing plate 51 and a fixing bolt 52, the two fixing plates 51 are horizontally arranged and are respectively fixedly connected with the two ends of the first filter screen 32 in the length direction, and the bottom surface of the fixing plate 51 is abutted to the top surface of the sedimentation tank 2. Two fixing bolts 52 are arranged and are respectively connected with the two fixing plates 51, and the fixing bolts 52 penetrate through the fixing plates 51 and then are in threaded connection with the sedimentation tank 2 to fixedly connect the first filter screen 32 with the sedimentation tank 2.
With reference to fig. 3 and 4, the same snap-fit groove 31 is formed in the top surface of the second baffle 4, a second filter screen 41 is snap-fit into the snap-fit groove 31, and the filtration pore of the second filter screen 41 is smaller than that of the first filter screen 32. The side of the second filter screen 41 is abutted against the inner wall of the sedimentation tank 2, and the same fixing assembly 5 is arranged between the top end of the second filter screen 41 and the sedimentation tank 2. The fixing assembly 5 comprises two fixing plates 51 and two fixing bolts 52, the two fixing plates 51 are horizontally arranged and are respectively fixedly connected with two ends of the second filter screen 41 in the length direction, and the bottom surfaces of the fixing plates 51 are abutted to the top surface of the sedimentation tank 2. Two fixing bolts 52 are arranged and are respectively connected with the two fixing plates 51, and the fixing bolts 52 penetrate through the fixing plates 51 and then are in threaded connection with the sedimentation tank 2 to fixedly connect the second filter screen 41 with the sedimentation tank 2.
After the water level in the first-level settling chamber 21 is higher than the first baffle 3, water enters the second-level settling chamber 22 through the first filter screen 32, and after the water level in the second-level settling chamber 22 is higher than the second baffle 4, water enters the third-level settling chamber 23 through the second filter screen 41, so that the settling efficiency can be improved. When the first filter 32 and the second filter 41 are cleaned, the fixing bolts 52 and the sedimentation tank 2 are released.
The implementation principle of the above embodiment is as follows:
the water pump 121 pumps water in the dewatering well 11 into the primary settling chamber 21, impurities settle in the primary settling chamber 21 and are gathered at the middle position of the bottom surface of the primary settling chamber 21; the upper water layer of the primary settling chamber 21 enters the secondary settling chamber 22 through a first filter screen 32 for secondary settling; the upper water in the second grade deposit room 22 gets into tertiary deposit room 23 through second filter screen 41, carries out the cubic and subsides, and the quality of water promotes in proper order in one-level deposit room 21, second grade deposit room 22 and tertiary deposit room 23 promptly, can satisfy different grades of water requirement, carries out rational utilization to the water resource. When the sediment is cleaned, the sewage valve 214 is opened, and the sediment is discharged through the sewage pipe 213, so that the sedimentation tank 2 is conveniently cleaned.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a well water circulating system of foundation ditch precipitation well, is equipped with drinking-water pipe (12) including precipitation well (11) established in foundation ditch (1) in precipitation well (11), and drinking-water pipe (12) fixedly connected with suction pump (121), and drinking-water pipe (12) intercommunication has sedimentation tank (2), its characterized in that: be provided with first baffle (3) and second baffle (4) at the interval in sedimentation tank (2), first baffle (3) and second baffle (4) are cut apart into one-level drip chamber (21) with sedimentation tank (2), second grade drip chamber (22) and tertiary drip chamber (23), the height that highly is less than sedimentation tank (2) of first baffle (3), second baffle (4), first baffle (3) are in between one-level drip chamber (21) and second grade drip chamber (22), drinking-water pipe (12) and one-level drip chamber (21) intercommunication.
2. The well water circulation system of a foundation pit dewatering well as claimed in claim 1, wherein: the first-stage settling chamber (21) is communicated with a first water discharge pipe (211), the second-stage settling chamber (22) is communicated with a second water discharge pipe (221), and the third-stage settling chamber (23) is communicated with a third water discharge pipe (231).
3. The well water circulation system of a foundation pit dewatering well as claimed in claim 1, wherein: the height of the first baffle (3) is higher than that of the second baffle (4).
4. The well water circulation system of a foundation pit dewatering well as claimed in claim 1, wherein: the top surface of the first baffle (3) is provided with a clamping groove (31), a first filter screen (32) is arranged in the clamping groove (31), and a fixing component (5) is connected between the first filter screen (32) and the sedimentation tank (2).
5. The well water circulation system of a foundation pit dewatering well as claimed in claim 4, wherein: the fixing assembly (5) comprises a fixing plate (51) and a fixing bolt (52), the fixing plate (51) is fixedly connected with the first filter screen (32), and the fixing bolt (52) penetrates through the fixing plate (51) to be in threaded connection with the sedimentation tank (2).
6. The well water circulation system of a foundation pit dewatering well as claimed in claim 4, wherein: the second baffle (4) is detachably connected with a second filter screen (41), and the filter diameter of the second filter screen (41) is smaller than that of the first filter screen (32).
7. The well water circulation system of a foundation pit dewatering well as claimed in claim 1, wherein: the bottom surfaces of the first-stage settling chamber (21), the second-stage settling chamber (22) and the third-stage settling chamber (23) are all concave in the middle.
8. The well water circulation system of a foundation pit dewatering well as claimed in claim 1, wherein: the bottom ends of the first-stage settling chamber (21), the second-stage settling chamber (22) and the third-stage settling chamber (23) are communicated with a sewage discharge pipe (213), and a sewage discharge valve (214) is fixedly connected to the sewage discharge pipe (213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922247032.2U CN211621640U (en) | 2019-12-14 | 2019-12-14 | Well water circulating system of foundation pit dewatering well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922247032.2U CN211621640U (en) | 2019-12-14 | 2019-12-14 | Well water circulating system of foundation pit dewatering well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211621640U true CN211621640U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922247032.2U Expired - Fee Related CN211621640U (en) | 2019-12-14 | 2019-12-14 | Well water circulating system of foundation pit dewatering well |
Country Status (1)
| Country | Link |
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| CN (1) | CN211621640U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112704953A (en) * | 2020-12-28 | 2021-04-27 | 老河口市舜鸿光学仪器有限公司 | Cutting fluid collecting device of optical lens milling and grinding machine |
| CN112922001A (en) * | 2021-01-25 | 2021-06-08 | 北京市地质工程公司 | Efficient foundation pit dewatering structure |
| CN114541446A (en) * | 2022-01-18 | 2022-05-27 | 中国黄金集团建设有限公司 | Precipitation treatment system for construction site |
| CN115818893A (en) * | 2022-12-26 | 2023-03-21 | 中国建筑第五工程局有限公司 | Building foundation pit underground water circulating system |
| CN117618997A (en) * | 2024-01-23 | 2024-03-01 | 江苏金生水建设有限公司 | Quick treatment system and method for open caisson mud |
-
2019
- 2019-12-14 CN CN201922247032.2U patent/CN211621640U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112704953A (en) * | 2020-12-28 | 2021-04-27 | 老河口市舜鸿光学仪器有限公司 | Cutting fluid collecting device of optical lens milling and grinding machine |
| CN112922001A (en) * | 2021-01-25 | 2021-06-08 | 北京市地质工程公司 | Efficient foundation pit dewatering structure |
| CN112922001B (en) * | 2021-01-25 | 2021-11-02 | 北京市地质工程公司 | Foundation pit dewatering structure |
| CN114541446A (en) * | 2022-01-18 | 2022-05-27 | 中国黄金集团建设有限公司 | Precipitation treatment system for construction site |
| CN115818893A (en) * | 2022-12-26 | 2023-03-21 | 中国建筑第五工程局有限公司 | Building foundation pit underground water circulating system |
| CN115818893B (en) * | 2022-12-26 | 2024-02-06 | 中国建筑第五工程局有限公司 | Building foundation pit groundwater circulation system |
| CN117618997A (en) * | 2024-01-23 | 2024-03-01 | 江苏金生水建设有限公司 | Quick treatment system and method for open caisson mud |
| CN117618997B (en) * | 2024-01-23 | 2024-04-26 | 江苏金生水建设有限公司 | Quick treatment system and method for open caisson mud |
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Granted publication date: 20201002 Termination date: 20211214 |