CN217845479U - A osmotic pressure monitoring devices for tailing storehouse dam body dam foundation - Google Patents
A osmotic pressure monitoring devices for tailing storehouse dam body dam foundation Download PDFInfo
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- CN217845479U CN217845479U CN202220780068.6U CN202220780068U CN217845479U CN 217845479 U CN217845479 U CN 217845479U CN 202220780068 U CN202220780068 U CN 202220780068U CN 217845479 U CN217845479 U CN 217845479U
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Abstract
The utility model discloses a osmotic pressure monitoring devices for tailing storehouse dam body dam foundation belongs to ground ore deposit safety monitoring technical field. The device comprises a pipe group, wherein osmometers for detecting a dam body and a dam foundation are respectively arranged in the pipe group, and one end of the pipe group is provided with a cushion pad; the pipe group comprises an outer sleeve and a double pressure measuring pipe, the double pressure measuring pipe is positioned on the inner side of the outer sleeve, and a connecting assembly is arranged between the double pressure measuring pipe and the outer sleeve; the double pressure measuring pipes comprise two pressure measuring pipes which are fixed together side by side, the lengths of the two pressure measuring pipes are different, the upper ends of the two pressure measuring pipes are level and level, the upper ends of the two pressure measuring pipes are sealed through the same protective cover, cushion pads are arranged at the lower ends of the two pressure measuring pipes, and the lower parts of the two pressure measuring pipes are provided with floral pipes; a plurality of water permeable holes are arranged below the connecting component on the pipe wall of the outer sleeve. The blotter is installed to the lower extreme of nest of tubes, cushions and protects through the blotter, avoids the nest of tubes to stab the geomembrane, greatly reduced the risk that sewage was revealed in the tailing storehouse.
Description
Technical Field
The utility model relates to a osmotic pressure monitoring devices for tailing storehouse dam body dam foundation belongs to ground ore deposit safety monitoring technical field.
Background
In the tailing pond treatment engineering, osmometers are generally arranged at proper positions of a dam body and a dam foundation so as to know the osmotic pressure condition of the dam foundation of the dam body in time and conveniently judge the reliability of a drainage system of a tailing pond.
The Chinese patent document with the publication number of CN205373807U discloses a tailing pond water level monitoring device for an osmometer, which comprises a water level pipe group, an osmometer group and a collecting instrument, wherein the actual density value of liquid in a tailing pond can be obtained through the pressure difference in water measured by the osmometer group, and the accuracy of the measured water level value is greatly improved.
However, the geomembrane is usually arranged at the bottom of the tailing pond, when the device is used for monitoring the osmotic pressure condition of a dam foundation of a tailing pond dam body, the water level pipe group can generate settlement along with the time to puncture the geomembrane, and the sewage leakage risk in the tailing pond is higher.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a osmotic pressure monitoring devices for tailing storehouse dam body dam foundation.
The utility model discloses a following technical scheme can realize:
the utility model provides a osmotic pressure monitoring devices for tailing storehouse dam body dam foundation, includes the nest of tubes, be equipped with the osmometer that is used for detecting dam body and dam foundation in the nest of tubes respectively, just the one end of nest of tubes is equipped with the blotter.
The nest of tubes includes outer tube and two pressure-measuring pipes, and two pressure-measuring pipes are located the inboard of outer tube, and are equipped with coupling assembling between two pressure-measuring pipes and the outer tube.
The stone granule is filled to packing between two pressure-measuring pipes and the outer tube, and the stone granule is located coupling assembling's downside.
The utility model discloses a two pressure-measuring pipes, including two pressure-measuring pipes fixed together side by side, the length inequality of two pressure-measuring pipes, the upper end parallel and level of two pressure-measuring pipes to seal through same visor, the lower extreme of two pressure-measuring pipes all is equipped with the blotter, and the lower part of two pressure-measuring pipes sets up to the floral tube, is equipped with a plurality of holes of permeating water in the below of coupling assembling on the pipe wall of outer tube.
And the inner sides of the lower ends of the two piezometric tubes are provided with a bracket, and the osmometer is arranged on the bracket.
Fine sand is filled around the osmometer in the two piezometric tubes.
The connecting assembly comprises a grout stopping ring, and cement mortar is poured on the grout stopping ring.
The distance from the grout stopping ring to the upper ends of the double pressure measuring pipes is not more than 2m.
The buffer pad is a spongy cushion.
The beneficial effects of the utility model reside in that: detecting the osmotic pressure values of a dam foundation and a dam body through an osmometer in the pipe group; the blotter is installed to the lower extreme of nest of tubes, when the nest of tubes produced to subside and when contacting with the geomembrane at tailing storehouse bottom of the storehouse along with the time lapse, cushions and protects through the blotter, avoids the nest of tubes to stab the geomembrane, greatly reduced the risk that sewage was revealed in the tailing storehouse. In addition, can change fast after the osmometer damages, the device has simple structure, advantages such as being convenient for installation and construction.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is the structure schematic diagram of the point a installed on the tailing pond of the utility model.
In the figure: 1-double pressure measuring pipes, 2-outer sleeves, 3-stone particles, 4-osmometers, 5-supports, 6-cushion pads, 7-grout stopping rings, 8-cement mortar, 9-protective covers and 10-cables.
Detailed Description
The technical solutions of the present invention are further described below, but the scope of protection claimed is not limited to the described ones.
As shown in figure 1 and figure 2, a osmotic pressure monitoring devices for tailing storehouse dam body dam foundation, including the nest of tubes, install the osmometer 4 that is used for detecting dam body and dam foundation in the nest of tubes respectively, just blotter 6 is installed to the one end of nest of tubes. When in use, the osmometer 4 in the pipe group is used for detecting the osmotic pressure values of the dam foundation and the dam body; cushion 6 is installed to the lower extreme of nest of tubes, when the nest of tubes produced settlement and when contacting with the geomembrane at tailing storehouse bottom of the storehouse along with time, cushions and protects through cushion 6, avoids the nest of tubes to stab the geomembrane, greatly reduced the risk that sewage was revealed in the tailing storehouse.
The nest of tubes includes outer tube 2 and two pressure-measuring pipes 1, and two pressure-measuring pipes 1 are located the inboard of outer tube 2, and install coupling assembling between two pressure-measuring pipes 1 and the outer tube 2.
The stone grain 3 is filled between two pressure-measuring pipes 1 and the outer tube 2, and the stone grain 3 is located the downside of coupling assembling.
Two pressure-measuring pipes 1 include two pressure-measuring pipes fixed together side by side, the length inequality of two pressure-measuring pipes, the upper end parallel and level of two pressure-measuring pipes to seal through same visor 9, blotter 6 is all installed to the lower extreme of two pressure-measuring pipes, and the lower part of two pressure-measuring pipes sets up to the floral tube, and it has a plurality of holes of permeating water to process in coupling assembling's below on the pipe wall of outer tube 2. When in use, the perforated pipe is used for permeating water; seal the upper end of two pressure-measuring pipes 1 through visor 9, avoid rainwater etc. to pour into the pressure-measuring pipe to ensure that osmometer 4 testing result is accurate.
And the inner sides of the lower ends of the two piezometer tubes are provided with a bracket 5, and the osmometer 4 is arranged on the bracket 5. And respectively detecting the osmotic pressure values of the dam foundation and the dam body through osmometers 4 in the two piezometer tubes.
Fine sand is filled in the two pressure measuring pipes around the osmometer 4. The fine sand has a fixing and protecting effect on the osmometer 4.
The connecting assembly comprises a grout stopping ring 7, and cement mortar 8 is poured on the grout stopping ring 7. Outer tube 2 and double-pressure-measuring pipe 1 are connected through ending thick liquid ring 7 and cement mortar 8, prevent simultaneously through ending thick liquid ring 7 and cement mortar 8 that rainwater etc. from pouring into from the gap between the two to it is accurate to ensure 4 testing results of osmometer.
The distance from the grout stopping ring 7 to the upper end of the double pressure measuring pipe 1 is not more than 2m.
The buffer pad 6 is a spongy cushion.
Specifically, the osmometer 4 is connected to a data acquisition instrument through a cable to acquire the osmotic pressure values of the dam foundation and the dam body in real time, and the data acquisition instrument is the prior art and is not described herein again.
A osmotic pressure monitoring devices for tailing storehouse dam body dam foundation, its installation as follows:
(1) Firstly, two PVC pipes with different lengths and diameter of 56mm are welded together to form the double pressure measuring pipe 1. (2) The bottom of each piezometric tube is wrapped with sponge to form a cushion pad 6. (3) And a bracket 5 with the height of 20cm is welded at the bottom of each pressure measuring pipe and is used for fixedly supporting an osmometer 4 placed in the pressure measuring pipe. (4) Fine sand was placed in the bottom 50cm inside each pressure tube to protect the osmometer 4. (5) Drilling a hole with the diameter of 150mm at a designated position of a tailing pond, then placing a phi 150mm outer sleeve 2 and a double pressure measuring pipe 1 into the hole, and backfilling stone particles 3 in a gap between the phi 150mm outer sleeve and the double pressure measuring pipe. (6) And arranging a grout stopping ring 7 within 2m from the upper end of the double pressure measuring pipe 1, and pouring cement mortar 8 on the top of the grout stopping ring 7. And (7) installing a protective cover 9 on the top of the double pressure measuring pipe 1. (8) The cable 10 on the osmometer 4 is connected to a data acquisition instrument.
Claims (6)
1. The utility model provides a osmotic pressure monitoring devices for tailing storehouse dam body dam foundation which characterized in that: the dam comprises a pipe group, wherein osmometers (4) for detecting a dam body and a dam foundation are respectively arranged in the pipe group, and one end of the pipe group is provided with a cushion pad (6);
the pipe group comprises an outer sleeve (2) and a double pressure measuring pipe (1), the double pressure measuring pipe (1) is positioned on the inner side of the outer sleeve (2), and a connecting assembly is arranged between the double pressure measuring pipe (1) and the outer sleeve (2);
the double pressure measuring pipes (1) comprise two pressure measuring pipes which are fixed together side by side, the lengths of the two pressure measuring pipes are unequal, the upper ends of the two pressure measuring pipes are flush and sealed through a same protective cover (9), cushion pads (6) are arranged at the lower ends of the two pressure measuring pipes, and the lower parts of the two pressure measuring pipes are provided with floral pipes; a plurality of water permeable holes are arranged below the connecting component on the pipe wall of the outer sleeve (2);
the inner sides of the lower ends of the two piezometer tubes are respectively provided with a support (5), and the osmometer (4) is arranged on the support (5).
2. The osmotic pressure monitoring device for the dam foundation of a tailings reservoir dam of claim 1, wherein: the stone particle (3) is filled between the double pressure measuring pipes (1) and the outer sleeve (2), and the stone particle (3) is positioned on the lower side of the connecting component.
3. The osmotic pressure monitoring device for the dam foundation of a tailings reservoir dam of claim 1, wherein: fine sand is filled around the osmometer (4) in the two piezometer tubes.
4. The osmotic pressure monitoring device for the dam foundation of a tailings reservoir dam of claim 1, wherein: the connecting assembly comprises a grout stopping ring (7), and cement mortar (8) is poured on the grout stopping ring (7).
5. The osmotic pressure monitoring device for the dam foundation of a tailings reservoir dam of claim 4, wherein: the distance from the grout stopping ring (7) to the upper end of the double pressure measuring pipe (1) is not more than 2m.
6. The osmotic pressure monitoring device for the dam foundation of a tailings reservoir dam of claim 1, wherein: the buffer pad (6) is a spongy cushion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220780068.6U CN217845479U (en) | 2022-04-06 | 2022-04-06 | A osmotic pressure monitoring devices for tailing storehouse dam body dam foundation |
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CN202220780068.6U CN217845479U (en) | 2022-04-06 | 2022-04-06 | A osmotic pressure monitoring devices for tailing storehouse dam body dam foundation |
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CN217845479U true CN217845479U (en) | 2022-11-18 |
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CN202220780068.6U Active CN217845479U (en) | 2022-04-06 | 2022-04-06 | A osmotic pressure monitoring devices for tailing storehouse dam body dam foundation |
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