Flotation cell ore pulp liquid level detection device

Abstract

The invention discloses a flotation cell ore pulp liquid level detection device which comprises a guide cylinder, a floating ball, a guide rope, a guide rod, an exhaust hole and a pulley mechanism, and the pulley mechanism is composed of two fixed pulleys; the device further comprises a high-pressure spraying device, a limiting plate, a base, an incremental encoder, a balancing weight, a balancing cylinder and a high-molecular isolation suite. A limiting plate is arranged above the guide cylinder, exhaust holes are formed in the limiting plate, and a high-pressure spraying device which is directionally arranged is arranged on the inner side of the guide cylinder; the two ends of the guide rope are connected with the guide rod and the balancing weight respectively, the guide rope is wound on the two fixed pulleys, the incremental encoders are installed on the fixed pulleys, a base is arranged above the fixed pulleys, and the base is connected with the guide cylinder and the balancing weight cylinder; the method has the characteristics of high precision and high reliability. The ore pulp liquid level detection device for the flotation cell is also suitable for measuring the liquid level of ore pulp with corrosivity, high viscosity or solid particles, direct contact between a medium and a measuring part can be effectively avoided, and the maintenance requirement and the potential measuring error are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of liquid level measuring equipment, in particular to a flotation tank slurry liquid level detection device. Background Art

[0002] The slurry level meter is an important device for measuring the slurry level, which can detect the change of the slurry level. The slurry level is one of the important factors affecting the flotation effect. The traditional slurry level detection method usually uses a float sensor to measure the level change by detecting the displacement of the float. However, this method has some limitations. It is often affected by factors such as flow rate, foam, on-site disturbance, etc., resulting in inaccurate measurement, which ultimately affects the flotation effect of the slurry.

[0003] In order to increase the practicality and measurement accuracy of liquid level measurement equipment, it is necessary to provide a new liquid level meter to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a flotation tank slurry level detection device in view of the above situation. The detection device is a liquid level measurement device with a brand-new structure and has the characteristics of high precision and high reliability.

[0005] The specific scheme of the present invention is: a flotation tank slurry level detection device, including a guide cylinder, a float, a guide rope, a guide rod, an exhaust hole and a pulley mechanism, wherein the pulley mechanism is composed of two fixed pulleys; it also includes a high-pressure spray device, a limit plate, a base, an incremental encoder, a counterweight, a counterweight cylinder and a polymer isolation kit; a limit plate is arranged above the guide cylinder, and an exhaust hole is arranged on the limit plate, and a directionally arranged high-pressure spray device is provided on the inner side of the guide cylinder, the high-pressure spray device is aimed at the float and the guide rod, and the guide rod is connected to the float; the two ends of the guide rope are respectively connected to the guide rod and the counterweight, the guide rope is wound around two fixed pulleys, and the fixed pulley is installed with an incremental encoder, and a base is provided above the fixed pulley, and the base is connected to the guide cylinder and the counterweight cylinder.

[0006] Furthermore, the guide cylinder in the present invention is connected to a base, and two fixed pulleys are arranged inside the base, and the two fixed pulleys are arranged side by side horizontally.

[0007] Furthermore, an incremental encoder is installed on the fixed pulley described in the present invention to convert the slurry level information into an electrical signal, so as to facilitate the collection and transmission of the slurry level.

[0008] Furthermore, a counterweight cylinder is provided at the lower end of the base described in the present invention, and the counterweight block is raised and lowered in the counterweight cylinder, and the counterweight cylinder is fixedly connected to the base.

[0009] Furthermore, the guide rope in the present invention connects the counterweight block and the float; the guide rod connects the float, which is beneficial to the stability of the float in the slurry level.

[0010] Furthermore, a limit plate is provided on the upper part of the guide cylinder in the present invention, which is conducive to the free upward and downward movement of the float ball within the set liquid level range; and an exhaust hole is provided at the center of the limit plate, which passes through from top to bottom.

[0011] Furthermore, the high-pressure spray device described in the present invention is fixed on the left and right sides of the guide barrel and is arranged to be aligned with the float and the guide rod. The high-pressure spray device includes a nozzle and a water spray pipe. High-pressure water is passed through the water spray pipe. The nozzle is in a trumpet shape and a plurality of water outlet holes are arranged on the nozzle. The nozzles on both sides are arranged opposite to each other on the left and right and are arranged toward the float and the guide rod.

[0012] Furthermore, the polymer isolation kit described in the present invention is arranged below the guide cylinder, which can effectively isolate the influence of high-viscosity slurry and foam on the float. The polymer isolation kit is a honeycomb structure, and the upper and lower ends of the polymer isolation kit are customized gauze, which contains customized polymer materials for filtering impurities and reducing the viscosity of the slurry.

[0013] The present invention installs an incremental encoder on the fixed pulley. Due to the contactless measurement method of the encoder, it has a long service life and low maintenance cost. The incremental encoder can be easily interfaced with the computer system to realize automatic data collection and processing. By interfacing with the computer system, automatic data collection and processing can be realized. Moreover, the height of the liquid level can be read by the encoder, which can support remote monitoring and control, thereby improving the safety of the workers. With the help of the mechanical conversion device, the incremental encoder can detect angular displacement and linear displacement.

[0014] The invention has the characteristics of high precision and high reliability. The flotation tank slurry level detection device is also suitable for measuring the slurry level of corrosive, high-viscosity or solid-particle slurries, which can effectively avoid direct contact between the medium and the measuring components, reduce maintenance requirements and potential measurement errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the position structure of the fixed pulley and the incremental encoder in the present invention; Figure 3 It is a schematic diagram of the nozzle structure of the present invention.

[0016] In the figure: 1. counterweight cylinder, 2. counterweight block, 3. guide rope, 4. base, 5. incremental encoder, 6. fixed pulley, 7. exhaust hole, 8. limit plate, 9. guide rod, 10. guide cylinder, 11. high-pressure spray device, 12. float, 13. polymer isolation kit. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. It is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships in which the invented product is usually placed when used, which are only for the convenience of describing the present invention or simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1 to Figure 3The present invention is a flotation tank slurry level detection device, including a guide cylinder 10, a float 12, a guide rope 3, a guide rod 9, an exhaust hole 7 and a pulley mechanism, wherein the pulley mechanism is composed of two fixed pulleys 6; it also includes a high-pressure spray device 11, a limit plate 8, a base 4, an incremental encoder 5, a counterweight 2, a counterweight cylinder 1 and a polymer isolation kit 13; a limit plate is arranged above the guide cylinder, an exhaust hole is arranged on the limit plate, a directional high-pressure spray device is arranged inside the guide cylinder, the high-pressure spray device is aimed at the float and the guide rod, and the guide rod is connected to the float; the two ends of the guide rope are respectively connected to the guide rod and the counterweight, the guide rope is wound around two fixed pulleys, an incremental encoder is installed on the fixed pulley, a base is arranged above the fixed pulley, and the base is connected to the guide cylinder and the counterweight cylinder. Further, the guide cylinder in the present invention is connected to a base, and two fixed pulleys are arranged inside the base, and the two fixed pulleys are arranged horizontally and side by side. Furthermore, an incremental encoder is installed on the fixed pulley described in the present invention, which is used to convert the slurry level information into an electrical signal, so as to facilitate the collection and transmission of the slurry level. Furthermore, a counterweight cylinder is arranged at the lower end of the base described in the present invention, and the counterweight block is raised and lowered in the counterweight cylinder, and the counterweight cylinder is fixedly connected to the base. Furthermore, the guide rope described in the present invention connects the counterweight block and the float; the guide rod connects the float, which is conducive to the stability of the float in the slurry level. Furthermore, a limit plate is arranged on the upper part of the guide cylinder described in the present invention, which is conducive to the free movement of the float up and down within the set liquid level range; and an exhaust hole is arranged at the center of the limit plate. Furthermore, the high-pressure spray device described in the present invention is fixed on the left and right sides of the guide barrel, and is arranged to align with the float and the guide rod. The high-pressure spray device includes a nozzle and a water spray pipe, and high-pressure water is passed into the water spray pipe. The nozzle is in a trumpet shape, and a plurality of water outlets are arranged on the nozzle. The nozzles on both sides are arranged opposite to each other and are arranged toward the float and the guide rod. Furthermore, the polymer isolation kit described in the present invention is arranged below the guide cylinder, which can effectively isolate the influence of high-viscosity slurry and foam on the float. The polymer isolation kit is a honeycomb structure, and the upper and lower ends of the polymer isolation kit are customized gauze, which contains customized polymer materials for filtering impurities and reducing the viscosity of the slurry.

[0020] The present invention provides a flotation tank slurry level detection device, comprising a counterweight cylinder 1, a counterweight block 2, and a guide rope 3, wherein both ends of the guide rope 3 are connected to the counterweight block 2 and a guide rod 9. The guide rod 9 is mounted on a float 12, a fixed pulley 6 is mounted inside a base 4, an incremental encoder 5 is mounted on the fixed pulley 6, a limit plate 8 is provided above the guide cylinder 10, a polymer isolation kit 13 is provided below the guide cylinder 10, and high-pressure spray devices 11 are provided on the left and right sides of the guide cylinder 10.

[0021] like Figure 1As shown, the guide rope 3 is connected to the counterweight 2, which can improve the stability of the mechanism. The float 12 cooperates with the guide rod 9 to reduce the large-scale floating of the float 12 in the liquid. The counterweight 2 is installed in the counterweight cylinder 1, which maintains the balance and stability of the mechanical equipment and reduces the shaking and swaying of the counterweight 2. Reduce the risk of accidents. Figure 1 and Figure 2 As shown, the float 12 is responsible for sensing the change of the liquid level, and transmits the change to the fixed pulley 6 through the guide rope 3. The fixed pulley 6 drives the incremental encoder 5 to rotate, and the incremental encoder 5 then outputs an electrical signal corresponding to the change of the liquid level. After the output signal of the incremental encoder 5 is processed, the current state of the liquid level can be intuitively displayed.

[0022] like Figure 3 As shown in FIG. 1 , it is a schematic diagram of the nozzle of the high-pressure spray port of the high-pressure spray device 11, through which the float and the guide rod are rinsed clean. Figure 1 and Figure 2 As shown, the two fixed pulleys 6 are arranged in parallel. Figure 1 As shown, the float 12 is arranged in a hollow structure. Figure 1 As shown, there are two groups of guide rods 9, two groups of fixed pulleys 6, two groups of incremental encoders 5, and two groups of high-pressure spray devices 11. Figure 1 and Figure 2 As shown, the two fixed pulleys 6 are respectively equipped with an incremental encoder 5 .

[0023] The present invention installs an incremental encoder on the fixed pulley, and due to the contactless measurement method of the encoder, the encoder has a long service life and low maintenance cost.

[0024] The incremental encoder can be easily interfaced with the computer system to realize automatic data collection and processing. By interfacing with the computer system, the data can be automatically collected and processed. The encoder can be used to read the liquid level, which can support remote monitoring and control and improve the safety of workers.

[0025] With the help of the mechanical conversion device, the incremental encoder can detect angular displacement and linear displacement. The invention has the characteristics of high precision and high reliability.

[0026] The flotation tank slurry level detection device is also suitable for measuring the slurry level of corrosive, high-viscosity or solid-particle-containing slurries, which can effectively avoid direct contact between the medium and the measuring components, reduce maintenance requirements and potential measurement errors.

Claims

1. A flotation tank slurry level detection device, characterized in that: It includes a guide cylinder, a float, a guide rope, a guide rod, an exhaust hole and a pulley mechanism, and the pulley mechanism is composed of two fixed pulleys; it also includes a high-pressure spray device, a limit plate, a base, an incremental encoder, a counterweight, a counterweight cylinder and a polymer isolation kit; a limit plate is arranged above the guide cylinder, and an exhaust hole is arranged on the limit plate, and a directionally arranged high-pressure spray device is provided on the inner side of the guide cylinder, and the high-pressure spray device is aimed at the float and the guide rod, and the guide rod is connected to the float; the two ends of the guide rope are respectively connected to the guide rod and the counterweight, and the guide rope is wound around two fixed pulleys, and an incremental encoder is installed on the fixed pulley, and a base is provided above the fixed pulley, and the base is connected to the guide cylinder and the counterweight cylinder.

2. A flotation tank slurry level detection device according to claim 1, characterized in that: The guide cylinder is connected to a base, and two fixed pulleys are arranged inside the base. The two fixed pulleys are arranged side by side horizontally.

3. A flotation tank slurry level detection device according to claim 1, characterized in that: An incremental encoder is installed on the fixed pulley to convert the slurry level information into an electrical signal, which is convenient for collecting and transmitting the slurry level.

4. A flotation tank slurry level detection device according to claim 1, characterized in that: A counterweight cylinder is arranged at the lower end of the base, and the counterweight block is lifted and lowered in the counterweight cylinder, and the counterweight cylinder is fixedly connected to the base.

5. A flotation tank slurry level detection device according to claim 1, characterized in that: The guide rope connects the counterweight block and the float; the guide rod connects the float, which is beneficial to the stability of the float in the slurry level.

6. A flotation tank slurry level detection device according to claim 1, characterized in that: A limit plate is provided on the upper part of the guide cylinder, which is conducive to the free upward and downward movement of the float ball within the set liquid level range; an exhaust hole penetrating upward and downward is provided at the center of the limit plate.

7. A flotation tank slurry level detection device according to claim 1, characterized in that: The high-pressure spray device is fixed on the left and right sides of the guide barrel and is arranged to be aligned with the float and the guide rod. The high-pressure spray device includes a nozzle and a water spray pipe. High-pressure water is passed into the water spray pipe. The nozzle is in a trumpet shape and a plurality of water outlet holes are arranged on the nozzle. The nozzles on both sides are arranged opposite to each other on the left and right and are arranged toward the float and the guide rod.

8. A flotation tank slurry level detection device according to claim 1, characterized in that: The polymer isolation kit is arranged below the guide cylinder, and can effectively isolate the influence of high viscosity slurry and foam on the float. The polymer isolation kit is a honeycomb structure, and the upper and lower ends of the polymer isolation kit are customized gauze, which contains customized polymer materials for filtering impurities and reducing the viscosity of slurry.

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