Depth measuring device and thick pool clear water layer depth measuring system

Abstract

The utility model discloses a depth measuring device and a thick pool clear water layer depth measuring system, the depth measuring device comprises a plurality of inverted U-shaped water pipes arranged in parallel, and each water pipe is provided with an outlet water valve; the water inlets of the water pipes are arranged in a stepped mode in the height direction, and the water outlet of each water pipe is lower than the water inlet of the water pipe. The depth measuring device provided by the utility model solves the technical problem that the depth measurement accuracy of the clear water layer of the thickening pool is not high.

Description

Technical Field

[0001] The utility model belongs to the technical field of ore dressing technology, and in particular relates to a depth measuring device and a thickening tank clear water layer depth measuring system. Background Art

[0002] When developing a deposited bauxite mine, the muddy bauxite is usually mined and transported to a washing plant to be washed to obtain the qualified bauxite required for the production of alumina. During the processing and washing of qualified bauxite, a large amount of muddy water will be generated and concentrated and settled in the thickening tank. When the muddy water from the ore washing reaches a certain concentration, the bottom mud is transported to the mud discharge reservoir for storage and stacking through the thickening tank bottom flow pump and mud discharge pump. The muddy water that has settled in the thickening tank will form a layer of clear water, which overflows into a large return water tank and is re-sent to the ore washing system. The sedimentation effect of the muddy water in the thickening tank is directly reflected by the depth of the clear water layer in the thickening tank, and the depth of the clear water layer in the thickening tank can be measured by relevant depth measuring devices.

[0003] In the prior art, the depth of the clear water layer in the thickening tank is measured by detecting with a bamboo pole, a ruler is set on the bamboo pole, and a rag is tied to the end. When the bamboo pole is pulled up, there is no turbid liquid on the rag, which is the depth of the clear water layer. Although this detection method is simple, its accuracy and efficiency are not high, and it cannot well reflect the depth of the clear water layer, thus affecting the amount of flocculant added and the optimal sludge concentration. Utility Model Content

[0004] In view of the current technical problems, the utility model aims to provide a depth measuring device and a concentration tank depth measuring system, which can solve the technical problem of low accuracy in measuring the depth of the clear water layer in the concentration tank in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A depth measuring device has the following structural features: it comprises a plurality of inverted U-shaped water pipes arranged in parallel, each of which is provided with an outlet water valve; the water inlets of the plurality of water pipes are arranged in steps along the height direction, and the height of the water outlet of each water pipe is lower than the height of the water inlet of the water inlet pipe.

[0007] When the depth measuring device is used to measure the depth of the clear water layer in the thickening pool, close the outlet water valve, extend the water inlet of the water pipe into the water layer of the thickening pool, and extend the water outlet of the water pipe to the outside of the thickening pool. Open the outlet water valve, and use the siphon principle. The water layer at the height corresponding to the water inlet of the water pipe in the thickening pool flows along the water pipe and flows out from the water outlet of the water pipe, and the turbidity of the outlet water of each water pipe is observed. If the outlets of two adjacent water pipes flow out clear water and turbid water respectively, the depth of the water pipe with clear water outlet inserted into the water layer of the thickening pool can be used as the depth of the clear water layer in the thickening pool, or the average value of the depths of the water pipe with clear water outlet and the water pipe with turbid water outlet inserted into the water layer of the thickening pool can be used as the depth of the clear water layer in the thickening pool. The depth measuring device of the present application is simple to operate. You only need to open the outlet water valve to observe whether the outlet water is turbid to directly obtain the depth of the clear water layer. The measurement method is more intuitive and accurate.

[0008] Preferably, each of the water pipes is provided with a branch pipe, which is arranged between the outlet water valve and the water inlet, and a backflush valve is provided on the branch pipe. Since the water inlet of the water pipe may be blocked, when it is found that the water outlet of the water pipe does not discharge water, the outlet water valve is closed, the backflush valve is opened, and the water pipe is backwashed using an external water source on the backflush valve, so that water can flow into the water pipe normally.

[0009] Specifically, the backflush valve is arranged adjacent to the outlet water valve.

[0010] Preferably, the height difference between the water inlets of two adjacent water pipes is 50 mm to 200 mm.

[0011] Preferably, the water outlets of the plurality of water pipes have the same height, and the outlet water valves are all arranged at the water outlets.

[0012] Specifically, the water pipe is formed by splicing a plurality of straight pipes, and adjacent straight pipes are connected via elbows.

[0013] Preferably, the number of the water pipes is at least five.

[0014] Based on the same inventive concept, the utility model also provides a system for measuring the depth of the clear water layer in a thickening tank, comprising a thickening tank and the depth measuring device as described above installed on the wall of the thickening tank, the water inlets of the multiple water pipes all extend below the liquid surface of the thickening tank, and the water inlets of the multiple water pipes are arranged in steps along the height direction of the thickening tank; the water outlets of the multiple water pipes all extend to the outside of the thickening tank, and the outlet water valves are all located outside the liquid surface of the thickening tank.

[0015] Specifically, the plurality of water pipes are evenly arranged along the length or width direction of the thickening tank, and are fixedly connected to the side wall of the thickening tank via fixed pipe clamps.

[0016] Preferably, the water outlet of the water pipe is arranged at the bottom of the outer wall of the thickening tank.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The depth measuring device of the utility model has a simple measuring process. The depth of the clear water layer can be determined by simply opening the outlet water valve and observing whether the outlet water is turbid, thereby reducing the labor intensity of personnel;

[0019] 2. The depth measuring device of the utility model is simple to manufacture, durable, and has low investment and maintenance costs; 3. The depth measuring device of the utility model has a more intuitive and accurate measurement method, strong promotion potential, and can be widely used in similar industries. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the depth measuring device of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of a new type of thickening tank clear water layer depth measurement system.

[0022] In the figure:

[0023] 1—water pipe; 2—water inlet; 3—elbow; 4—fixed pipe clamp; 5—outlet water valve; 6—recoil valve; 7—water outlet; 8—branch pipe; 9—thickening tank. DETAILED DESCRIPTION

[0024] The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict. For the convenience of description, if the words "upper", "lower", "left" and "right" appear in the following text, they only indicate that the upper, lower, left and right directions are consistent with the drawings themselves, and do not limit the structure.

[0025] like Figure 1 As shown, a depth measuring device provided in this embodiment includes nine inverted U-shaped water pipes 1 arranged in parallel, and each water pipe 1 is provided with an outlet water valve 5. According to actual conditions, the water pipes can also be other numbers, but in order to improve the accuracy, at least 5 are required. The water pipe 1 is made of PVC pipe, which is spliced ​​by multiple straight pipes, and the adjacent straight pipes are connected by elbows 3. The water inlets 2 of the nine water pipes 1 are arranged in steps along the height direction, and the height difference between the water inlets 2 of two adjacent water pipes 1 is 100mm. If it is necessary to improve the measurement accuracy, the height difference can be adjusted to be smaller, such as 50mm. In some embodiments, the water outlets 7 of the nine water pipes 1 are consistent in height, and the height of the water outlet 7 of each water pipe 1 is lower than the height of the water inlet 2 of the water pipe 1. It is not necessary for the water outlet 7 to be consistent in height, mainly for the convenience of observation. The outlet water valve 5 is arranged at the water outlet 7, and a branch pipe 8 is provided on one side of the water outlet 7, and a recoil valve 6 is provided on the branch pipe 8.

[0026] like Figure 2 As shown, this embodiment also provides a system for measuring the depth of the clear water layer in the thickening tank, which includes a thickening tank 9 and the depth measuring device as described above installed on the wall of the thickening tank 9. Nine water pipes 1 are evenly arranged along the width direction of the thickening tank 9. The water inlets 2 of the water pipes 1 are all inserted below the liquid surface of the thickening tank 9. The water inlet 2 of the first water pipe 1 is inserted into the thickening tank 9 at a depth of 2000mm from the water surface. The water inlets 2 of two adjacent water pipes 1 are inserted into the water layer at a depth of 200mm. The water inlet 2 of the ninth water pipe 1 is inserted into the thickening tank 9 at a depth of 400mm from the water surface. The water outlet 7 of the water pipe 1 crosses the top of the thickening tank 9 upwards and extends to the observation point below the outer wall of the thickening tank 9. The nine water pipes 1 are fixedly connected to the side wall of the thickening tank 9 through a fixed pipe clamp 4.

[0027] When measuring the depth of the clear water layer in the thickening pool, close the backwash valve 6, open the outlet water valve 5, and use the siphon principle. The water layer at the height corresponding to the water inlet 2 of the water pipe 1 in the thickening pool 9 flows along the water pipe 1 and flows out from the water outlet 7 of the water pipe 1. Observe the turbidity of the outlet water of the nine water pipes 1. If the outlets 7 of two adjacent water pipes 1 flow out clear water and muddy water respectively, the depth of the water pipe with clear water outlet inserted into the water layer of the thickening pool can be used as the depth of the clear water layer in the thickening pool, or the average value of the depths of the water pipe with clear water outlet and the water pipe with muddy water outlet inserted into the water layer of the thickening pool can be used as the depth of the clear water layer in the thickening pool. When it is found that the outlet 7 of the water pipe 1 does not discharge water, close the outlet water valve 5, open the backwash valve 6, and connect an external water source to the backwash valve 6 to backwash the water pipe 1, so that water can flow in and out of the water pipe 1 normally.

[0028] The contents explained in the above embodiments should be understood as these embodiments are only used to more clearly illustrate the present invention, and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the embodiments by those skilled in the art fall within the scope defined by the claims attached to the present invention.

Claims

1. A depth measuring device, characterized in that: It comprises a plurality of inverted U-shaped water pipes (1) arranged in parallel, each water pipe (1) being provided with an outlet water valve (5); the water inlets (2) of the plurality of water pipes (1) are arranged in steps along the height direction, and the height of the water outlet (7) of each water pipe (1) is lower than the height of the water inlet (2) of the water pipe (1).

2. The depth measuring device according to claim 1, characterized in that: Each of the water pipes (1) is provided with a branch pipe (8), which is arranged between the outlet water valve (5) and the water inlet (2), and a recoil valve (6) is provided on the branch pipe (8).

3. The depth measuring device according to claim 2, characterized in that: The backflush valve (6) is arranged adjacent to the outlet water valve (5).

4. The depth measuring device according to claim 1, characterized in that: The height difference between the water inlets (2) of two adjacent water pipes (1) is 50 mm to 200 mm.

5. The depth measuring device according to claim 1, characterized in that: The water outlets (7) of the plurality of water pipes (1) are at the same height, and the outlet water valves (5) are all arranged at the water outlets (7).

6. The depth measuring device according to claim 1, characterized in that: The water pipe (1) is formed by splicing a plurality of straight pipes, and adjacent straight pipes are connected via elbows (3).

7. The depth measuring device according to claim 1, characterized in that: The number of the water pipes (1) is at least five.

8. A system for measuring the depth of a clear water layer in a thickening tank, comprising a thickening tank (9), characterized in that: It also comprises a depth measuring device as claimed in any one of claims 1 to 7 installed on the wall of the thickening tank (9), the water inlets (2) of the plurality of water pipes (1) all extend below the liquid surface of the thickening tank (9), and the water inlets (2) of the plurality of water pipes (1) are arranged in steps along the height direction of the thickening tank; the water outlets (7) of the plurality of water pipes (1) all extend to the outside of the thickening tank (9), and the outlet water valves (5) are all located outside the liquid surface of the thickening tank (9).

9. The system for measuring the depth of the clear water layer in a thickening tank according to claim 8, characterized in that: The plurality of water pipes (1) are evenly arranged along the length or width direction of the thickening tank (9), and are fixedly connected to the side wall of the thickening tank (9) via fixed pipe clamps (4).

10. The system for measuring the depth of the clear water layer in a thickening tank according to claim 8, characterized in that: The water outlet (7) of the water pipe (1) is arranged at the bottom of the outer wall of the thickening tank (9).

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