Liquid level monitoring device

Abstract

The utility model discloses a liquid level monitoring device, which belongs to tailing filling equipment and is used for solving the technical problem of inaccurate liquid level monitoring caused by liquid level fluctuation generated during operation of a filling stirring barrel. The liquid level monitoring device comprises a liquid level meter main body provided with a probe rod, the protection part is installed on the top wall of the stirring equipment, a vent hole is formed in the top of the protection part, the protection part is detachably connected with the liquidometer body, a protection cavity is formed by the protection part and the liquidometer body, the probe rod is located in the protection cavity, and a plurality of through holes are formed in the end, away from the liquidometer body, of the protection cavity and form a filter screen. By means of the structure, the protection piece is arranged on the liquid level meter body, so that the probe rod is protected, and the probe rod is prevented from being damaged; only the bottom of the protection cavity is provided with the water inlet channel, when the stirring equipment stirs, the protection piece bears pressure in the circumferential direction, liquid starts to flow in from bottom to top, air is exhausted, the liquid level in the cavity is kept stable, and measurement is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of tailings filling equipment, in particular to a liquid level monitoring device. Background Art

[0002] For large and medium-sized ore dressing plants, the ore dressing equipment produces a large amount of tailings, which not only require the construction of a large number of tailings ponds, occupying a large amount of land resources, but also easily cause environmental pollution. As my country pays more and more attention to the supervision of tailings discharge and treatment, large and medium-sized ore dressing plants have begun to choose to use tailings filling stations, which use high-concentration mixing tanks to mix slurry and cement before backfilling operations, which can not only avoid the cost of tailings storage, but also will not cause environmental pollution.

[0003] As a mixing device in the tailings filling system, the filling stirring tank plays a key role in the preparation of the tailings slurry. During the filling process, the changes in the slurry level are fed back to the control room through the level meter, and the operator adjusts the flow rate according to the data. The accuracy of the level meter is related to whether the preparation of the filling slurry meets the standards. If the liquid level is too low, the mixing time will be insufficient, the ash and sand will be unevenly mixed, and the final filling body will be insufficient in strength; if the liquid level is too high, it is easy to overflow, causing pollution and damage to the equipment. In the prior art, the probe rod of the level gauge is usually placed directly inside the filling mixing barrel. However, when the filling mixing barrel is running, the impeller often splashes the cement slurry onto the probe rod, resulting in the defect of being unable to accurately measure the liquid level. In addition, the impeller will cause liquid level fluctuations in the process of stirring the cement slurry, making the measurement process inaccurate. Therefore, a liquid level detection device is needed to accurately monitor the water level in the mixing barrel. Utility Model Content

[0004] The utility model aims to provide a liquid level monitoring device to solve the technical problem of inaccurate measurement caused by liquid level fluctuations during the process of cement slurry agitation by an impeller.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The liquid level monitoring device provided by the utility model comprises: a liquid level meter body provided with a probe rod; a protective member installed on the top wall of a stirring device, a vent hole being provided on the top of the protective member, the protective member being detachably connected to the liquid level meter body, forming a protective cavity with the liquid level meter body, and the probe rod being located inside the protective cavity, a plurality of through holes being provided at one end of the protective cavity away from the liquid level meter body, and the plurality of through holes forming a filter screen.

[0007] As an optimization of any technical solution or any optimized technical solution provided in the foregoing or later text of the utility model, the protective member is a cylindrical structure, the bottom of the protective member is provided with an oblique surface, and the filter is arranged on the oblique surface.

[0008] As an optimization of any technical solution or any optimized technical solution provided above or below the utility model, the filter screen is directly opposite to the stirring direction of the stirring device.

[0009] The liquid level meter body is provided with a first connecting piece, the top of the protective piece is provided with a second connecting piece, the first connecting piece is adapted to the second connecting piece, and the liquid level meter body is connected to the protective piece through the matching engagement of the first connecting piece and the second connecting piece.

[0010] As an optimization of any technical solution or any optimized technical solution provided in the foregoing or later text of the utility model, the mounting piece is detachably connected to the protective piece, and the mounting piece is fixedly mounted on the top wall of the stirring equipment.

[0011] As an optimization of any technical solution or any optimized technical solution provided in the foregoing or later text of the utility model, a plurality of mounting holes are opened on the mounting member, and the plurality of mounting holes are evenly distributed on the mounting member, a mounting ring is fixedly provided on the protective member, and a plurality of latches are fixedly provided on the mounting ring, and the latches are adapted to the mounting holes, and the latches correspond to the mounting holes one by one.

[0012] As an optimization of any technical solution or any optimized technical solution provided in the foregoing or later text of the utility model, a plurality of screws are arranged on the mounting member, and the plurality of screws are evenly distributed on the mounting member, and a plurality of fixing holes are opened on the mounting ring, and the fixing holes are adapted to the screws, and the screws correspond to the fixing holes one by one, and a nut is correspondingly threaded on each of the screws. Usually, there are four screws, and the four screws are distributed in a circular array, and the center of the circular array coincides with the center of the mounting member, and the mounting member is constrained in the vertical direction through the cooperation of the screws and the nuts, so that the mounting member is installed more stably.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the liquid level monitoring device includes: a liquid level meter body provided with a probe rod; a protective member installed on the top wall of the stirring device, the protective member is detachably connected to the liquid level meter body, and forms a protective cavity with the liquid level meter body, and the probe rod is located inside the protective cavity, and a plurality of through holes are provided at one end of the protective cavity away from the liquid level meter body, and the plurality of through holes form a filter. Through the above structure, the utility model can protect the probe rod by providing the protective member on the liquid level meter body to avoid damage to the probe rod; in the protective cavity, only the bottom is provided with a water inlet channel, and when the stirring device is stirred, the protective member is subjected to annular pressure, at which time the liquid begins to flow in from bottom to top and discharge the air, so that the liquid level inside the cavity remains stable and the measurement is more accurate; the protective member and the liquid level meter body are detachably connected to facilitate replacement and maintenance of the liquid level meter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the main structure of a liquid level monitoring device provided by the utility model;

[0015] Figure 2 A structural schematic diagram of a liquid level monitoring device provided by the utility model from another perspective

[0016] Figure 3 for Figure 2 A structural diagram from another perspective;

[0017] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure.

[0018] In the figure: 1. Liquid level meter body; 2. Top wall; 3. Protective part; 4. Vent hole; 5. Protective cavity; 6. Probe rod; 7. Filter; 8. First connecting part; 9. Second connecting part; 10. Mounting hole; 11. Pin; 12. Screw; 13. Nut; 14. Mounting part; 15. Mounting ring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3The utility model provides a liquid level monitoring device for solving the technical problem of inaccurate liquid level monitoring caused by the fluctuation of the liquid level when the filling and stirring barrel is running. The liquid level monitoring device comprises: a liquid level meter body 1 provided with a probe rod 6, the liquid level meter body 1 usually adopts an electrode type liquid level meter; a protective member 3, mounted on the top wall 2 of the stirring device, a vent hole 4 is provided on the top of the protective member 3, the protective member 3 is detachably connected to the liquid level meter body 1, and forms a protective cavity 5 with the liquid level meter body 1, and the probe rod 6 is located inside the protective cavity 5, and a plurality of through holes are provided at one end of the protective cavity 5 away from the liquid level meter body 1, and a plurality of through holes form a filter 7. Through the above structure, the utility model can protect the probe rod 6 by arranging the protective member 3 on the liquid level meter body 1 to prevent the probe rod 6 from being damaged; in the protective cavity 5, only the bottom is provided with a water inlet channel, and when the stirring device is stirred, the protective member 3 is subjected to circumferential pressure. At this time, the liquid begins to flow in from bottom to top and the air is discharged, and the inside of the cavity is not subjected to horizontal force, so that no liquid level fluctuations are generated, and the measurement is more accurate; the protective member 3 and the liquid level meter body 1 are detachably connected to facilitate the replacement and maintenance of the liquid level meter body 1.

[0021] Furthermore, in order to better realize the present utility model, the protective member 3 is a tubular structure, usually a cylindrical structure. The cylindrical structure can reduce the impact pressure of the liquid and increase the durability of the protective member 3. The bottom of the protective member 3 is provided with a chamfered surface, and the filter screen 7 is provided on the chamfered surface. The side view shape of the filter screen 7 and the protective member 3 is a triangle, and the filter screen 7 is the hypotenuse of the triangle, thereby increasing the contact area between the filter screen 7 and the liquid surface, increasing the flow rate entering the protective member 3, and reducing blockage.

[0022] Furthermore, in order to better realize the present invention, the filter screen 7 is directly opposite to the stirring direction of the stirring device. For example, when the stirring direction of the stirring device is clockwise, the tangent direction of the filter screen 7 forms an acute angle with the stirring direction, so that the horizontal impact force generated by the stirring device acts on the filter screen 7, increasing the flow rate of the liquid surface entering the interior of the protective member 3.

[0023] Furthermore, in order to better realize the utility model, a first connecting member 8 is provided on the liquid level gauge body 1, and a second connecting member 9 is provided on the top of the protective member 3. The first connecting member 8 is adapted to the second connecting member 9. The first connecting member 8 and the second connecting member 9 can generally be a snap-fit ​​structure. A clamping block is provided on the first connecting member 8, and a clamping groove is provided on the second connecting member 9. The detachable connection of the liquid level gauge body 1 is achieved through the cooperation between the clamping block and the clamping groove. Of course, bolts, nuts 13 and connecting plates can also be adopted according to actual needs. For example, both the first connecting member 8 and the second connecting member 9 are connecting plates, and a through-bar is provided on the connecting plate. The detachable connection of the first connecting member 8 and the second connecting member 9 is achieved through bolts and nuts 13. The liquid level gauge body 1 is connected to the protective member 3 through the cooperation and engagement of the first connecting member 8 and the second connecting member 9.

[0024] Furthermore, in order to better realize the utility model, the mounting member 14 is detachably connected to the protective member 3, and the mounting member 14 is fixedly mounted on the top wall 2 of the stirring equipment. The mounting member 14 is usually made of steel plate, and the mounting member 14 is connected to the top wall 2 of the stirring equipment by welding, so as to ensure the stable installation of the mounting member 14. Through the detachable connection between the mounting member 14 and the protective member 3, it is convenient for the staff to clean the impurities and other residues that are blocked on the filter screen 7 when it is used for a long time.

[0025] Furthermore, in order to better realize the utility model, a plurality of mounting holes 10 are opened on the mounting member 14, and the plurality of mounting holes 10 are evenly distributed on the mounting member 14; a mounting ring 15 is fixedly provided on the protective member 3, and a plurality of latches 11 are fixedly provided on the mounting ring 15, and the latches 11 are adapted to the mounting holes 10, and the latches 11 correspond to the mounting holes 10 one by one; the mounting ring 15 is usually provided on the upper part of the mounting member 14, so as to improve the utilization rate of the mounting member 14; through the cooperation between the latches 11 and the mounting holes 10, the horizontal direction of the protective member 3 can be constrained, and the impact under the stirring action of the stirring equipment can be coped with, and the technical problem of inaccurate measurement caused by the offset of the mounting member 14 can be avoided, and at the same time, it is convenient for the staff to disassemble and install the protective member 3.

[0026] Furthermore, in order to better realize the utility model, a plurality of screws 12 are provided on the mounting member 14, and the plurality of screws 12 are evenly distributed on the mounting member 14. A plurality of fixing holes are opened on the mounting ring 15, and the fixing holes are adapted to the screws 12, and the screws 12 correspond to the fixing holes one by one. A nut 13 is correspondingly screwed on each of the screws 12. Usually, there are four screws 12, and the four screws 12 are distributed in a circular array. The center of the circular array coincides with the center of the mounting member 14. Through the cooperation of the screws 12 and the nuts 13, the mounting member 14 is constrained in the vertical direction, so that the mounting member 14 is installed more stably.

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A liquid level monitoring device, applied to a stirring device, characterized in that: include: A liquid level meter body (1) provided with a probe rod (6); A protective member (3) is mounted on the top wall (2) of the stirring device, a vent hole (4) is provided on the top of the protective member (3), the protective member (3) is detachably connected to the liquid level meter body (1), and forms a protective cavity (5) with the liquid level meter body (1), and the probe rod (6) is located inside the protective cavity (5), and a plurality of through holes are provided at one end of the protective cavity (5) away from the liquid level meter body (1), and the plurality of through holes form a filter (7).

2. A liquid level monitoring device according to claim 1, characterized in that: The protective member (3) is a cylindrical structure, the bottom of the protective member (3) is provided with an oblique surface, and the filter screen (7) is arranged on the oblique surface.

3. A liquid level monitoring device according to claim 2, characterized in that: The oblique surface of the filter screen (7) is directly opposite to the stirring direction of the stirring device.

4. A liquid level monitoring device according to claim 1, characterized in that: The liquid level meter body (1) is provided with a first connecting piece (8), and the top end of the protective piece (3) is provided with a second connecting piece (9). The first connecting piece (8) is adapted to the second connecting piece (9), and the liquid level meter body (1) is connected to the protective piece (3) by the engagement of the first connecting piece (8) and the second connecting piece (9).

5. A liquid level monitoring device according to claim 1, characterized in that: The protective member (3) further comprises a mounting member (14), wherein the mounting member (14) is detachably connected to the protective member (3), and the mounting member (14) is fixedly mounted on the top wall (2) of the stirring device.

6. A liquid level monitoring device according to claim 5, characterized in that: The mounting member (14) is provided with a plurality of mounting holes (10), the plurality of mounting holes (10) being evenly distributed on the mounting member (14); a mounting ring (15) is fixedly provided on the protective member (3); a plurality of latches (11) are fixedly provided on the mounting ring (15); the latches (11) are adapted to the mounting holes (10), and the latches (11) correspond one to one with the mounting holes (10).

7. A liquid level monitoring device according to claim 6, characterized in that: The mounting member (14) is provided with a plurality of screw rods (12), the plurality of screw rods (12) being evenly distributed on the mounting member (14), the mounting ring (15) being provided with a plurality of fixing holes, the fixing holes being adapted to the screw rods (12), the screw rods (12) corresponding to the fixing holes one by one, and each of the screw rods (12) being correspondingly threaded with a nut (13).

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