CN205224063U - High -efficient precipitation device of hypotonicity clay - Google Patents
High -efficient precipitation device of hypotonicity clay Download PDFInfo
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- CN205224063U CN205224063U CN201520923423.0U CN201520923423U CN205224063U CN 205224063 U CN205224063 U CN 205224063U CN 201520923423 U CN201520923423 U CN 201520923423U CN 205224063 U CN205224063 U CN 205224063U
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- well casing
- hypotonicity
- dewatering device
- lower flange
- interior
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Abstract
The utility model relates to a high -efficient precipitation device of hypotonicity clay belongs to construction auxiliary device, characterized by: this high efficiency precipitation device includes outer well casing, the filter layer, interior well casing, go up the ring flange, the lower flange dish, the sealed pad, fastening bolt, the vacuum pump, immersible pump and vacuum meter, the well casing is the circular steel tube of vertical setting in addition, set up the lower flange dish outside in the top periphery of well casing, set up interior well casing outside in the well casing, including set up the ring flange in the upper end section of periphery of well casing, go up the ring flange here, set up the sealed fastening bolt that fills up and use between the lower flange dish, the nut is connected, set up vacuum pump and vacuum meter on last ring flange, set up the filter layer outside between well casing and the interior well casing, including set up the immersible pump in the well casing, in using, start the vacuum pump in proper order, the immersible pump, draw water, high safety and reliability, the precipitation effect is high, the qualities of the construction are improved and progress.
Description
Technical field
The utility model belongs to building operations servicing unit, especially relates to a kind of dewatering device of clay.
Background technology
Along with the fast development of society, city underground is widely used in urban traffic, and the precipitation in domestic Deep Foundation Ditch Construction of Metro adopts usually from seepage well point dewatering or deep-well vacuum well-point dewatering, but in hypotonicity clay layer, dewatering effect is often undesirable, affects construction quality and progress.
Summary of the invention
The purpose of this utility model is the efficient dewatering device proposing a kind of hypotonicity clay, not only simple and reasonable, easy to use, safe and reliable, and improves construction quality and progress.
The purpose of this utility model is achieved like this: a kind of efficient dewatering device (being called for short efficient dewatering device) of hypotonicity clay, it is characterized in that: the efficient dewatering device of this kind of hypotonicity clay comprises outer well tube, filtration beds, interior well casing, upper flange plate, lower flange, sealing mat, fastening bolt, vacuum pump, submersible pump and vacuum meter, described outer well tube is the vertical round steel pipe arranged, this outer well tube can be made with the steel pipe that external diameter is 550mm, the top peripheral of described outer well tube arranges the lower flange of (being welded) annular, in the centre of described outer well tube, interior well casing is vertically set, in this, well casing can be made with the steel pipe that external diameter is 150mm-200mm, in described the periphery of well casing upper end section on the upper flange plate of (being welded) annular is set, the outer circumference diameter of described upper flange plate is identical with the outer circumference diameter of lower flange, at described upper flange plate, lower flange offers bolt hole circumference uniform distribution and correspondence arranges fastening bolt, nut is connected, between described upper flange plate and lower flange, sealing mat is set, this sealing mat can be made with rubber, on described upper flange plate, correspondence is positioned at outer well tube, position, space between interior well casing arranges the vacuum pump and vacuum meter that position, space is therewith connected, the stage casing in the space between described outer well tube and interior well casing, hypomere position arranges filtration beds, this filtration beds can be made with the marble grain that particle diameter is 2mm-3mm, in addition, in described in well casing corresponding be positioned at well casing bottom surface above position submersible pump is set, the water inlet of this submersible pump can higher than interior well casing bottom surface 1m, the gutter of described submersible pump, wire is all drawn from the top of interior well casing.
During use, the diameter that spuds in hypotonicity clay layer is the wellhole of 550mm, this wellhole deep drilling is to design elevation, first drilling tool is increased to 20mm-50mm place at the bottom of distance wellhole, with the clear hole of slush pump, again by the outer well tube of this efficient dewatering device, interior well casing is put into wellhole successively and is put to design elevation, (this outer well tube, interior well casing all can be transferred by merogenesis, be welded to connect between each pipe joint section), the pipe top of this outer well tube is above ground level is 30mm-60mm, in this, the bottom of well casing is placed in below precipitation position and is not less than 1m, then, by the borehole wall in outer well tube, the outer borehole wall of interior well casing all cleans up rear input filtration beds to precalculated position, be fastenedly connected upper flange plate and lower flange, again vacuum pump is installed, vacuum meter, last installing submersible pump is to design attitude, start vacuum pump successively, submersible pump, draw water, after water level drops to design elevation, start the excavation of foundation ditch, safe and reliable, dewatering effect is high, improve construction quality and progress
The efficient dewatering device of a kind of hypotonicity clay that the utility model proposes, not only simple and reasonable, easy to use, safe and reliable, and also dewatering effect is high, improves construction quality and progress.
Now in conjunction with the accompanying drawings and embodiments the efficient dewatering device of a kind of hypotonicity clay that the utility model proposes is described further.
Accompanying drawing explanation
Schematic front view when Fig. 1 is the efficient dewatering device installation of a kind of hypotonicity clay that the utility model proposes.
In Fig. 1: 1, outer well tube 2, interior well casing 3, upper flange plate 4, lower flange 5, sealing mat 6, fastening bolt 7, vacuum pump 8, submersible pump 9, vacuum meter 10, ground 11, filtration beds.
Detailed description of the invention
As can be seen from Figure 1: a kind of efficient dewatering device (being called for short efficient dewatering device) of hypotonicity clay, it is characterized in that: the efficient dewatering device of this kind of hypotonicity clay comprises outer well tube 1, filtration beds 11, interior well casing 2, upper flange plate 3, lower flange 4, sealing mat 5, fastening bolt 6, vacuum pump 7, submersible pump 8 and vacuum meter 9, described outer well tube 1 is the vertical round steel pipe arranged, this outer well tube 1 can be made with the steel pipe that external diameter is 550mm, the top peripheral of described outer well tube 1 arranges the lower flange 4 of (being welded) annular, in the centre of described outer well tube 1, interior well casing 2 is vertically set, in this, well casing 2 can be made with the steel pipe that external diameter is 150mm-200mm, in described the periphery of well casing 2 upper end section on the upper flange plate 3 of (being welded) annular is set, the outer circumference diameter of described upper flange plate 3 is identical with the outer circumference diameter of lower flange 4, at described upper flange plate 3, lower flange 4 offers bolt hole circumference uniform distribution and correspondence arranges fastening bolt 6, nut is connected, between described upper flange plate 3 and lower flange 4, sealing mat 5 is set, this sealing mat 5 can be made with rubber, on described upper flange plate 3, correspondence is positioned at outer well tube 1, position, space between interior well casing 2 arranges the vacuum pump 7 and vacuum meter 9 that position, space is therewith connected, the stage casing in the space between described outer well tube 1 and interior well casing 2, hypomere position arranges filtration beds 11, this filtration beds 11 can be made with the marble grain that particle diameter is 2mm-3mm, in addition, in well casing 2, above the corresponding bottom surface being positioned at well casing 2, position arranges submersible pump 8 in described, the water inlet of this submersible pump 8 can higher than the bottom surface 1m of interior well casing 2, the gutter of described submersible pump 8, wire is all drawn from the top of interior well casing 2.
During use, the diameter that spuds in hypotonicity clay layer is the wellhole of 550mm, this wellhole deep drilling is to design elevation, first drilling tool is increased to 20mm-50mm place at the bottom of distance wellhole, with the clear hole of slush pump, again by the outer well tube 1 of this efficient dewatering device, interior well casing 2 is put into wellhole successively and is put to design elevation, (this outer well tube 1, interior well casing 2 all can be transferred by merogenesis, be welded to connect between each pipe joint section), the pipe top above ground level 10 of this outer well tube 1 is 30mm-60mm, in this, the bottom of well casing 2 is placed in below precipitation position and is not less than 1m, then, by the borehole wall in outer well tube 1, the outer borehole wall of interior well casing 2 all cleans up rear input filtration beds 11 to precalculated position, be fastenedly connected upper flange plate 3 and lower flange 4, vacuum pump 7 is installed again, vacuum meter 9, last installing submersible pump 8 to design attitude, start vacuum pump 7 successively, submersible pump 8, draw water, after water level drops to design elevation, start the excavation of foundation ditch, safe and reliable, dewatering effect is high, improve construction quality and progress.
Claims (6)
1. the efficient dewatering device of a hypotonicity clay, it is characterized in that: the efficient dewatering device of this kind of hypotonicity clay comprises outer well tube (1), filtration beds (11), interior well casing (2), upper flange plate (3), lower flange (4), sealing mat (5), fastening bolt (6), vacuum pump (7), submersible pump (8) and vacuum meter (9), described outer well tube (1) is the vertical round steel pipe arranged, the top peripheral of described outer well tube (1) arranges the lower flange (4) of annular, in the centre of described outer well tube (1), interior well casing (2) is vertically set, in described the periphery of well casing (2) upper end section on the upper flange plate (3) of annular is set, the outer circumference diameter of described upper flange plate (3) is identical with the outer circumference diameter of lower flange (4), at described upper flange plate (3), lower flange (4) above offers bolt hole circumference uniform distribution and correspondence arranges fastening bolt (6), nut is connected, between described upper flange plate (3) and lower flange (4), sealing mat (5) is set, outer well tube (1) is positioned in the upper correspondence of described upper flange plate (3), position, space between interior well casing (2) arranges the vacuum pump (7) and vacuum meter (9) that position, space is therewith connected, the stage casing in the space between described outer well tube (1) and interior well casing (2), hypomere position arranges filtration beds (11), in addition, the position, top that in well casing (2), correspondence is positioned at the bottom surface of well casing (2) in described arranges submersible pump (8), the gutter of described submersible pump (8), wire is all drawn from the top of interior well casing (2).
2. the efficient dewatering device of a kind of hypotonicity clay according to claim 1, is characterized in that this outer well tube (1) external diameter is that the steel pipe of 550mm is made.
3. the efficient dewatering device of a kind of hypotonicity clay according to claim 1, is characterized in that well casing in this (2) external diameter is that the steel pipe of 150mm-200mm is made.
4. the efficient dewatering device of a kind of hypotonicity clay according to claim 1, is characterized in that this sealing mat (5) is made with rubber.
5. the efficient dewatering device of a kind of hypotonicity clay according to claim 1, is characterized in that this filtration beds (11) particle diameter is that the marble grain of 2mm-3mm is made.
6. the efficient dewatering device of a kind of hypotonicity clay according to claim 1, is characterized in that the bottom surface 1m of the water inlet of this submersible pump (8) higher than interior well casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520923423.0U CN205224063U (en) | 2015-11-19 | 2015-11-19 | High -efficient precipitation device of hypotonicity clay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520923423.0U CN205224063U (en) | 2015-11-19 | 2015-11-19 | High -efficient precipitation device of hypotonicity clay |
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| Publication Number | Publication Date |
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| CN205224063U true CN205224063U (en) | 2016-05-11 |
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| CN201520923423.0U Active CN205224063U (en) | 2015-11-19 | 2015-11-19 | High -efficient precipitation device of hypotonicity clay |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013195A (en) * | 2016-06-15 | 2016-10-12 | 中国十七冶集团有限公司 | Well point canal de-watering control system |
| CN110055987A (en) * | 2019-05-31 | 2019-07-26 | 长沙市市政工程有限责任公司 | A kind of rich water mobile sand layer foundation pit tool-type dewatering well device |
| CN110700296A (en) * | 2019-09-27 | 2020-01-17 | 中国十七冶集团有限公司 | Foundation pit dewatering system with high water level and weak permeability soil and implementation method |
-
2015
- 2015-11-19 CN CN201520923423.0U patent/CN205224063U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013195A (en) * | 2016-06-15 | 2016-10-12 | 中国十七冶集团有限公司 | Well point canal de-watering control system |
| CN110055987A (en) * | 2019-05-31 | 2019-07-26 | 长沙市市政工程有限责任公司 | A kind of rich water mobile sand layer foundation pit tool-type dewatering well device |
| CN110700296A (en) * | 2019-09-27 | 2020-01-17 | 中国十七冶集团有限公司 | Foundation pit dewatering system with high water level and weak permeability soil and implementation method |
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