CN211060964U - Mud leakage tension and flow velocity measuring device for simulated mud discharging warehouse - Google Patents
Mud leakage tension and flow velocity measuring device for simulated mud discharging warehouse Download PDFInfo
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- CN211060964U CN211060964U CN201922170041.6U CN201922170041U CN211060964U CN 211060964 U CN211060964 U CN 211060964U CN 201922170041 U CN201922170041 U CN 201922170041U CN 211060964 U CN211060964 U CN 211060964U
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Abstract
The utility model discloses a simulation mud discharging warehouse mud leaks pulling force and velocity of flow measuring device relates to mud and leaks pulling force and velocity of flow measuring device, including the support frame, the top of support frame is equipped with mud pulling force detecting device, and the centre of support frame is equipped with mud flow device, and mud flow device below is equipped with mud storage device. And the mud is poured into the mud flowing device, and flows out of the mud flowing device, so that the actual condition of mud leakage of the mud discharge warehouse is simulated. And detecting the tension of the slurry on the slurry tension detection device when the slurry leaks through the slurry tension detection device, and further calculating to obtain the flow rate of the slurry. The mud flow rate obtained by calculating and the mud tension measured by testing through the simulation mud leakage tension and flow rate measuring device of the mud discharging warehouse is an important basis for researching the flow mechanism and the distribution rule of an internal flow field when mud leaks from the mud discharging warehouse, and the development of the mud leakage field detection technology of the mud discharging warehouse is also promoted. Meanwhile, the device has good operability.
Description
Technical Field
The utility model relates to a pulling force and velocity of flow measuring device are leaked to mud especially relates to a pulling force and velocity of flow measuring device are leaked to mud of simulation mud discharging warehouse.
Background
The sludge discharge warehouse is a major hazard source of metal and nonmetal mines, and among the potential hazards of 93 accidents and public hazards in the world, the accident list of the sludge discharge warehouse is 18 th. Particularly, underground karst caves in Guangxi regions are numerous, and leakage accidents of a karst region sludge discharging warehouse are easy to happen. Because the mud in the mud discharging warehouse is rich in heavy metal ions, once a leakage accident occurs, the waste residues and the waste water in the warehouse can pollute the underground water and destroy downstream farmland villages, thereby causing great loss of lives and properties of people and serious destruction of ecological environment.
The research of the current leakage detection method mainly focuses on the leakage detection research of reservoirs and dams, and due to the unique properties of mud in a mud discharge reservoir, the research results are not applicable. The leakage detection method for the sludge discharge warehouse is still traditional: the method such as the rod inserting method, the drifting bottle method, the ball sinking method and the like has insufficient accuracy and is easily influenced by factors such as the consolidation degree of the tailing mud, the wind speed and the like.
Therefore, the flow mechanism of the internal flow field when the mud in the mud discharging warehouse leaks is proved, a novel leakage detection technology is provided to quickly find out the position of the leakage point of the mud discharging warehouse, the leakage point is blocked, the leakage risk of the mud discharging warehouse can be greatly reduced, and the method is also significant for preventing and treating the geological problems of the mine environment. The method is characterized in that a mechanism of a deep slurry leakage point of a slurry discharge reservoir is explored, and the relation between the slurry tension borne by a slurry detector and slurry parameters needs to be known, so that the rule between the tension borne by the slurry detector and the leakage flow field distribution is obtained. Therefore, the device for simulating mud leakage and flow rate of the mud discharging warehouse is invented.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mud storehouse mud leaks pulling force and velocity of flow measuring device is arranged in simulation to the shortcoming of current mud storehouse mud leakage pulling force and the measuring device of the velocity of flow is leaked to the mud of not simulating has been solved.
In order to achieve the above object, the utility model provides a simulation mud discharging warehouse mud leaks pulling force and velocity of flow measuring device, include:
a support frame;
the mud tension detection device is arranged at the top of the support frame;
the mud flowing device is arranged in the middle of the support frame and is positioned below the mud tension detecting device, and the mud flowing device is used for simulating mud leakage of the mud discharging warehouse; the mud tension detection device can detect and obtain the tension of the mud on the mud tension detection device when the mud leaks in the mud flowing device, and the mud flow rate is calculated through the leaked mud tension; and
and the slurry storage device is arranged below the slurry flowing device.
Furthermore, the mud tension detection device comprises a tension meter and a mud detector which are connected, the tension meter is arranged at the top of the support frame, and the mud detector is arranged at the bottom of the mud flow device.
Further, the mud detector comprises a detecting body, wherein the detecting body is provided with a plurality of threaded holes, and the threaded holes are provided with matched bolts.
Furthermore, the surface of the probe body is provided with a stripe or thread structure.
Furthermore, the detection body is a polyvinyl chloride plastic block.
Further, the mud flow device comprises a mud channel, two ends of the mud channel are both open, the mud channel is vertically placed on the support frame, the open bottom of the mud channel is provided with a pipe cover matched with the open bottom, the pipe cover is at least provided with a through hole, and the through hole is provided with a hole plug matched with the through hole.
Furthermore, the slurry channel is provided with a corresponding shape according to actual conditions.
Further, the slurry channel is made of a PVC pipe.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a simulation mud drainage storehouse mud leakage pulling force and velocity of flow measuring device, including the support frame, the top of support frame is equipped with mud pulling force detecting device, is equipped with the mud flow device in the middle of the support frame, and the mud flow device below is equipped with the mud storage device; by pouring the mud into the mud flow device, the mud flows out of the mud flow device, and the actual condition of mud leakage of the mud discharge warehouse is simulated. And detecting the tension of the slurry on the slurry tension detection device when the slurry leaks through the slurry tension detection device, and further calculating to obtain the flow rate of the slurry. The mud flow rate obtained by calculating and the mud tension measured by testing through the simulation mud leakage tension and flow rate measuring device of the mud discharging warehouse is an important basis for researching the flow mechanism and the distribution rule of an internal flow field when mud leaks from the mud discharging warehouse, and the development of the mud leakage field detection technology of the mud discharging warehouse is also promoted. Meanwhile, the device has good operability.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a device for measuring the mud leakage tension and flow rate of a simulated mud discharging warehouse of the utility model;
FIG. 2 is a schematic structural view of the mud detecting body of the present invention;
FIG. 3 is a schematic view of the tube cover structure of the present invention;
wherein: 1-support frame, 11-first auxiliary support rod, 12-second auxiliary support rod, 13-third auxiliary support rod, 14-fourth auxiliary support rod, 15-fifth auxiliary support rod, 16-main support frame, 17-first connecting rod, 18-second connecting rod, 2-tension meter, 3-slurry flowing device, 31-slurry channel, 32-pipe cover, 3201-through hole, 4-slurry storage device, 5-slurry detector, 51-detector, 52-threaded hole and 53-bolt.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a simulation mud discharging warehouse mud leaks pulling force and velocity of flow measuring device includes: support frame 1, mud pulling force detection device, mud flow device 3 and mud storage device 4.
The mud tension detecting device is arranged at the top of the support frame 1; the mud flowing device 3 is arranged in the middle of the support frame 1 and is positioned below the mud tension detecting device, and the mud flowing device 3 is used for simulating mud leakage of the mud discharging warehouse; the slurry leakage tension when the slurry leaks in the slurry flowing device 3 can be detected and obtained through the slurry tension detecting device, and the slurry flow rate is obtained through calculation of the slurry leakage tension; the slurry storage device 4 is arranged below the slurry flowing device 3 and is used for containing the flowing slurry.
The slurry storage device 4 adopts a large plastic basin or a plastic barrel and the like to store leaked slurry for later recycling.
With continued reference to fig. 1, the mud drag detection device includes a tension meter 2 and a mud detector 5; the tension meter 2 is connected with the mud detector 5 through a rope; the tension meter 2 is hung on the top of the support frame 1, and the mud detector 5 is arranged at the bottom of the mud flow device 3, so that the detected mud flow rate is closer to the mud flow rate at an outlet, and the calculation error of the mud flow rate is reduced.
The mud detector 5 comprises a detecting body 51, the detecting body 51 is provided with a plurality of threaded holes 52, the threaded holes 52 are provided with matched bolts 53, the threaded holes 52 can be provided with bolts 53 with the same size or not according to needs, and when in detection, a certain number of bolts 53 are selected according to needs to be screwed into the threaded holes 52, so that the mud detector 5 sinks into mud at different depths; in order to increase the frictional resistance between the mud sensor 5 and the flowing mud and to make the mud more sensitive to the pulling force of the mud sensor 5, a stripe structure is provided on the surface of the sensor body 51.
In this embodiment, the tension meter 2 is a WH-A04L type digital display tension meter, the detecting body 51 is a polyvinyl chloride plastic block, as shown in FIG. 2, the polyvinyl chloride plastic block is in a fan-shaped block shape, the fan-shaped surface of the polyvinyl chloride plastic block is provided with stripes parallel to the arc-shaped surface, and the arc-shaped surface of the polyvinyl chloride plastic block is equidistantly provided with four threaded holes 52 with equal size.
Still referring to fig. 1, the slurry flowing device 3 includes a slurry channel 31, both ends of the slurry channel 31 are open, the slurry channel 31 is vertically placed on the support frame 1, the open at the bottom of the slurry channel 31 is provided with a pipe cover 32 matched with the open, the pipe cover 32 is provided with at least one through hole 3201, and the through hole 3201 is provided with a matched hole plug; to obtain different slurry flow rates, a plurality of tube caps 32 may be adopted, and the diameter of the through hole 3201 of each tube cap 32 is set to be different, for example, the diameter of the through hole is set to be 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, etc., which may be set according to actual requirements. The connection of the tube cap 32 to the slurry channel 31 is a snap or screw connection. The slurry channel 31 is correspondingly shaped according to actual conditions, and the slurry channel 31 is made of PVC pipes and the like.
In this embodiment, the slurry channel 31 is made of a PVC white plastic pipe with an inner diameter of 150mm and a length of 1000 mm; as shown in fig. 3, a through hole 3201 is formed in the middle of the cap 32, and the cap 32 can be engaged with the slurry channel 31.
In this embodiment, support frame 1 adopts the angle steel to build, and support frame 1 includes two main tributary strut 16 and the level and transversely puts the auxiliary stay pole in the middle of two parallel main tributary strut 16, and the auxiliary stay pole includes: a first auxiliary supporting rod 11, a second auxiliary supporting rod 12, a third auxiliary supporting rod 13, a fourth auxiliary supporting rod 14 and a fifth auxiliary supporting rod 15.
The main support frame 16 is a basic frame formed by stacking four layers of square frames, and the four layers of square frames are fixedly connected through connecting beams. The top direct welding of two top layer tetragonal bodies frames has first auxiliary support rod 11, and the upper end of tensiometer 2 is hung in the centre of first auxiliary support rod 11.
A second auxiliary supporting rod 12 and a third auxiliary supporting rod 13 are welded on the rectangular frames at the bottom ends of the two main supporting frames 16, the second auxiliary supporting rod 12 and the third auxiliary supporting rod 13 are both vertical to one side of the connected rectangular frames, and the distance between the second auxiliary supporting rod 12 and the third auxiliary supporting rod 13 can be just used for placing a PVC white plastic pipe; be equipped with two head rods 17 between second auxiliary stay 12 and the third auxiliary stay 13, two head rods 17 form first rectangle frame with second auxiliary stay 12 and third auxiliary stay 13, can make PVC white plastic tubing just can pass first rectangle frame, and the card is on first rectangle frame, if needs are more stable, can consolidate through glue such as 502, glass glue. In order to make the device more stable, extension rods can be extended from the bottom square frames of the bottom cuboid frames of the two main support frames 16, and the main support frames 16 cannot move forwards, backwards, leftwards and rightwards and swing through the extension rods.
A fourth auxiliary supporting rod 14 and a fifth auxiliary supporting rod 15 are welded on the rectangular frames at the bottom ends of the two main supporting frames 16, and the fourth auxiliary supporting rod 14 and the fifth auxiliary supporting rod 15 correspond to the second auxiliary supporting rod 12 and the third auxiliary supporting rod 13, namely are positioned right above the second auxiliary supporting rod 12 and the third auxiliary supporting rod 13; two second connecting rods 18 are correspondingly arranged right above the connecting rods of the second auxiliary supporting rod 12 and the third auxiliary supporting rod 13, the two second connecting rods 18 are welded between the fourth auxiliary supporting rod 14 and the fifth auxiliary supporting rod 15, the two second connecting rods 18, the fourth auxiliary supporting rod 14 and the fifth auxiliary supporting rod 15 form a second rectangular frame, and the upper end of the PVC white plastic pipe can penetrate through the second rectangular frame; therefore, the PVC white plastic pipe passes through the first rectangular frame and the second rectangular frame from bottom to top once, and is fixed on the second rectangular frame and the first rectangular frame through glue. The present embodiment is only to illustrate the support frame 1, and is not limited to the structure described in the present embodiment, as long as the slurry flowing device 3 can be suspended and fixed.
Right the utility model discloses simulation mud discharging storehouse mud leaks pulling force and velocity of flow measuring device's operation method carries out the detailed description to make technical personnel in the field more understand the utility model discloses:
a suitable slurry is selected. Before measurement, the orifice 3201 of the cap 32 is sealed with a plug, the probe 51 is hung on the lower end of the tension meter 2 via a string, the probe 51 is placed near the through hole 2301 of the cap 32 via the slurry channel 31, and the slurry channel 31 is filled with slurry of a certain water content.
Then the hole plug is pulled out, the bottom leakage hole 3201 is opened, timing is started, slurry is injected through the upper part of the slurry channel 31, the inflow speed of the slurry is kept unchanged, and the flow rate at the bottom is controlled to be consistent; the flow was recorded for the first 5 seconds, the leak stopped after 5 seconds, the leaked slurry weighed, and the 5 second leak flow and the pull reading from the pull meter 2 were recorded.
And repeating the steps, and replacing the slurry with different water contents or the leakage orifices with different sizes to obtain more measurement data.
And calculating the speed according to the formula (1) according to the weight of the slurry and the tension reading, so as to obtain the flow rate of the slurry.
In the formula (1), the reaction mixture is,
the flow rate of the slurry is unit cm/s;
the mass of the leaked slurry is unit g;
is the density of the slurry in g/cm3；tFor time, here t =5 s;Athe cross section area of the PVC round pipe with the inner diameter of 150mm is shown.
Through the utility model discloses the mud pulling force that the device was surveyed and the mud velocity of flow that the calculation obtained utilize application grey correlation analysis method analysis to obtain mud density, mud velocity of flow, mud moisture content to the relevance degree between the pulling force of mud detector etc. and the multivariate linear regression calculation model between mud detector pulling force and each parameter of mud is established to the relevant theory of using mathematical statistics to obtain the law between the pulling force that the mud detector receives and the mud velocity of flow isoparametric. And the subsequent research on the leakage data of the sludge discharge warehouse is facilitated.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or modifications within the technical scope of the present invention, and all should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a simulation mud storehouse mud leaks pulling force and velocity of flow measuring device which characterized in that: the method comprises the following steps:
a support frame;
the mud tension detection device is arranged at the top of the support frame;
the mud flowing device is arranged in the middle of the support frame and is positioned below the mud tension detecting device, and the mud flowing device is used for simulating mud leakage of the mud discharging warehouse; the mud tension detection device can detect and obtain the tension of mud on the mud tension detection device when the mud leaks in the mud flowing device, and the mud flow rate is calculated through the tension; and
and the slurry storage device is arranged below the slurry flowing device.
2. The device for measuring the mud leakage tension and the flow rate of the simulated mud discharging warehouse according to claim 1, is characterized in that: the mud tension detection device comprises a tension meter and a mud detector which are connected, the tension meter is arranged at the top of the supporting frame, and the mud detector is arranged at the bottom of the mud flowing device.
3. The device for measuring the mud leakage tension and the flow rate of the simulated mud discharging warehouse according to claim 2, is characterized in that: the mud detector comprises a detecting body, wherein the detecting body is provided with a plurality of threaded holes, and the threaded holes are provided with matched bolts.
4. The device for measuring the mud leakage tension and the mud flow rate of the simulated mud discharging warehouse as claimed in claim 3, wherein: the surface of the detecting body is provided with a stripe or thread structure.
5. The device for measuring the mud leakage tension and the mud flow rate of the simulated mud discharging warehouse as claimed in claim 3, wherein: the detecting body is a polyvinyl chloride plastic block.
6. The device for measuring the mud leakage tension and the flow rate of the simulated mud discharging warehouse according to claim 1, is characterized in that: the slurry flowing device comprises a slurry channel, two ends of the slurry channel are both open, the slurry channel is vertically placed on the support frame, a pipe cover matched with the open is arranged at the bottom of the slurry channel, at least one through hole is formed in the pipe cover, and a hole plug matched with the through hole is arranged in the through hole.
7. The device for measuring mud leakage tension and flow rate of a simulated mud dump according to claim 6, wherein: the slurry channel is made of PVC pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170041.6U CN211060964U (en) | 2019-12-06 | 2019-12-06 | Mud leakage tension and flow velocity measuring device for simulated mud discharging warehouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170041.6U CN211060964U (en) | 2019-12-06 | 2019-12-06 | Mud leakage tension and flow velocity measuring device for simulated mud discharging warehouse |
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| CN211060964U true CN211060964U (en) | 2020-07-21 |
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| CN201922170041.6U Active CN211060964U (en) | 2019-12-06 | 2019-12-06 | Mud leakage tension and flow velocity measuring device for simulated mud discharging warehouse |
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