CN114383664A - Automatic measurement system and method for flotation bubble load - Google Patents
Automatic measurement system and method for flotation bubble load Download PDFInfo
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- CN114383664A CN114383664A CN202210052827.1A CN202210052827A CN114383664A CN 114383664 A CN114383664 A CN 114383664A CN 202210052827 A CN202210052827 A CN 202210052827A CN 114383664 A CN114383664 A CN 114383664A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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Abstract
The invention relates to the technical field of mineral processing equipment, in particular to an automatic measuring system for a flotation bubble load, which comprises a sampling device, a liquid level sensor, a vacuum pump, a quality detection sensor, a gas flow detection sensor and a display control box, wherein the liquid level sensor is used for detecting the liquid level in the sampling device, the vacuum pump is used for extracting air in the sampling device, the quality detection sensor is used for measuring the mass in the sampling device, the gas flow detection sensor is used for measuring the gas flow discharged by the vacuum pump, the liquid level sensor, the gas flow sensor and the quality sensor are respectively and electrically connected with the input end of the display control box, and the vacuum pump is electrically connected with the output end of the display control box. The invention can realize accurate sampling, solve the problem of on-line measurement of bubble load parameters and meet the development requirements of automatic and intelligent equipment. The invention also provides a flotation bubble load measuring method.
Description
Technical Field
The invention relates to the technical field of mineral processing equipment, in particular to a flotation bubble load automatic measurement system and a flotation bubble load automatic measurement method.
Background
Flotation is the most dominant beneficiation method in the world at present, and 90% of nonferrous metals and 50% of ferrous metals can be recovered by flotation. The basic process of flotation is that air bubbles and ore particles collide, adhere and fall off in ore pulp, wherein useful minerals adhere to the air bubbles and are carried out of an ore pulp phase along with the floating of the air bubbles to form concentrate foam. The quantity of mineral carried by the bubbles is the bubble load, and the bubble load is an important parameter for representing the mineral carrying capacity of the bubbles in the ore pulp phase. Foreign Seaman, Moys, Dyer, Mohsen, etc. have designed bubble load sampling devices or systems of different structural characteristics in order to obtain mineral samples for analysis, and similar measuring devices have appeared in China. However, the existing measuring device still has some problems: firstly, a measurement object and a measurement environment have difference, the loading capacity of bubbles can be obviously different, so that the sampling quantity in the measurement process is difficult to control, the sample cannot meet the analysis quantity when the sampling quantity is less for one time, and the secondary supplement sampling can cause larger measurement error; and secondly, the measured bubble load needs to be manually subjected to sample preparation analysis after the whole test process is finished to obtain a result, the test process cannot know the real-time bubble load, and the technical requirement of online test analysis cannot be met.
Disclosure of Invention
The invention aims to provide an automatic measuring system for flotation bubble load, which can realize accurate sampling, solve the problem of online measurement of bubble load parameters and meet the development requirements of automatic and intelligent equipment.
The invention provides an automatic measuring system for a flotation bubble load, which comprises a sampling device, a liquid level sensor, a vacuum pump, a quality detection sensor, a gas quantity detection sensor and a display control box, wherein the liquid level sensor is used for detecting the liquid level in the sampling device, the vacuum pump is used for extracting the air in the sampling device, the quality detection sensor is used for measuring the mass in the sampling device, the gas quantity detection sensor is used for measuring the gas flow discharged by the vacuum pump, the liquid level sensor, the gas flow sensor and the quality sensor are respectively and electrically connected with the input end of the display control box, and the vacuum pump is electrically connected with the output end of the display control box.
Preferably, the sampling device comprises: box, guide plate, sampling pipe, extension pipe, liquid level quick adjustment valve, the sampling pipe runs through sampling device's bottom and links to each other with the extension pipe that is located the sampling device outside, the guide plate is established the top of sampling pipe, liquid level quick adjustment valve establishes the side of box.
Preferably, the liquid level sensor, the vacuum pump and the display control box form an automatic liquid level balancing system, and the air suction amount of the vacuum pump is controlled to keep the liquid level at a set value by comparing the detected liquid level value with the set value.
Preferably, the quality detection sensor, the air quantity detection sensor and the display control box form a bubble load parameter detection, calculation and display system, and the bubble load parameter is calculated and displayed in real time through the quality and air quantity parameters.
Preferably, a liquid level sensor for detecting the internal liquid level of the sampling device is arranged on the upper portion of the box body, an exhaust port is arranged on the upper portion of the box body, the exhaust port is connected with an air inlet of the vacuum pump, an air outlet of the vacuum pump is connected with an inlet of the gas flow sensor, and a bottom plate is arranged at the inner side bottom of the sampling device.
Preferably, the bottom plate is obliquely arranged, and a discharge valve is arranged at the lowest point of the bottom plate.
Preferably, the front panel of the sampling device is provided with a viewing window.
A flotation bubble load measurement method comprising the steps of:
the quality parameters, the gas flow parameters and the liquid level parameters are transmitted to a display control box in real time, the calculation of each parameter is completed in the display control box, the result is displayed, and meanwhile, the display control box sends out a regulation control signal to the vacuum pump to regulate the air suction amount of the vacuum pump so as to keep the liquid level at a set value.
Has the advantages that:
(1) the liquid level measurement value is related to the rotation speed regulation of the vacuum pump, and after a well set liquid level value, the measurement process can be always kept at a stable height, so that the test precision is improved.
(2) Because the mass sensor and the gas flow sensor are added, the two parameter values can be obtained in real time, the real-time bubble load value can be calculated by utilizing the mass and gas parameters, manual weighing calculation is not needed, and the timeliness is greatly improved.
(3) The bubble load parameters can be displayed in real time and can be transmitted to a far end through a data port, and the bubble load parameters can participate in the optimization control of the whole system.
(4) The bubble load measurement process is automated, and the workload of manpower work is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of a portion of the components of the present invention;
figure 3 is a process schematic of the flotation bubble load measurement method of the present invention.
Description of reference numerals: 1-sampling device, 2-base, 3-mass sensor, 4-liquid level sensor, 5-vacuum pump, 6-gas flow sensor, 7-display control box, 101-box, 102-guide plate, 103-inspection hole, 104-sampling pipe, 105-bottom plate, 106-connector, 107-extension pipe, 108-observation window, 109-discharge valve, 110-liquid level quick-regulating valve, 111-sensor mounting hole, 112-sensor standby mounting hole and 113-exhaust hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The invention discloses a bubble load sampling system in a flotation process, which is shown in figure 1 and mainly comprises a sampling device 1, a base 2, a mass sensor 3, a liquid level sensor 4, a vacuum pump 5, a gas flow sensor 6 and a display control box 7. The sampling device 1 is mounted on a base 2, and a mass sensor 3 is also mounted between the sampling device 1 and the base 2. A liquid level sensor 4 is arranged above the sampling device, the air inlet of a vacuum pump 5 is connected with the exhaust hole of the sampling device 1 through an air pipe, and the air outlet of the vacuum pump 5 is connected with the inlet of a gas flow sensor 6 through an air pipe. Signals of the mass sensor 3, the liquid level sensor 4 and the gas flow sensor 6 are transmitted to the display control box 7 through lines. The display control box 7 outputs a control signal to the vacuum pump 5.
As shown in fig. 2, the sampling apparatus 1 includes a case 101 as a main body, a guide plate 102 is disposed above a sampling tube 104 in an inclined manner, and a bottom plate 105 disposed below the sampling tube 104 in an inclined manner is inserted into the sampling tube 104, and is connected to an extension tube 107 through a connector 106. Meanwhile, a discharge valve 109 and a liquid level quick-adjusting valve 110 are provided at one side of the tank 101. A sensor mounting hole 111, a sensor spare mounting hole 112, and an exhaust hole 113 are provided on the upper end surface of the case 101. A manhole 103 is provided in the rear side surface of the case 101.
The working and using processes are as follows:
in operation, the base 2 together with the sampling device 1 is fixed on the testing platform, and the sampling device 1 extends to the position below the liquid level of ore pulp through the extension pipe 107. Clean water is injected into the box body 101 of the sampling device 1, and the liquid level is controlled at a proper position through the liquid level quick adjusting valve 110. Set well condition parameter and the liquid level value in the sampling device 1 through the display control box 7, open the valve that gas vent 113 goes out, and start measurement procedure simultaneously, along with in the measurement process bubble gets into the sampling device 1, the liquid level can appear descending, when level sensor 4 monitors the liquid level and is less than the setting value in real time, can feed back liquid level information to display control box 7, through judging the difference of measuring the liquid level value and setting up the liquid level value, display control box 7 gives vacuum pump 5 with rotational speed regulation signal input, the inspiratory capacity of adjustment vacuum pump 5, the setting value that makes the liquid level keep. In the test process, the quality signal obtained by the quality sensor 3 and the gas quantity signal obtained by the gas flow sensor 6 are transmitted to the display control box 7 in real time, the measurement data are displayed on the display screen, the display control box 7 can also calculate the bubble load value through the parameters of the obtained quality and the gas quantity, and the result is displayed on the display screen in real time. And a communication interface is reserved in the display control box 7 and can transmit the measurement data to a remote end.
A flotation bubble load measurement method comprising the steps of:
(1) the following numerical input system is set: ore specific gravity, liquid specific gravity, sampling tube section, liquid level height setting and maximum sampling weight setting;
(2) starting the system, operating the vacuum pump, increasing the rotating speed of the vacuum pump if the liquid level in the sampling device is lower than the height of the set liquid level, and reducing the rotating speed of the vacuum pump if the liquid level in the sampling device is higher than the height of the set liquid level;
(3) recording the initial weight, the accumulated mass, the accumulated gas flow and the operation time;
(4) calculating according to the data recorded in the step (3) to obtain the sampling volume, the bubble load rate and the inflation rate, and stopping the system if the accumulated mass is greater than or equal to the maximum sampling weight set value;
(5) displaying the results on a display of a display control box: bubble loading rate and inflation rate.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a flotation bubble load automatic measuring system, its characterized in that, includes sampling device, level sensor, vacuum pump, quality detection sensor, tolerance detection sensor and display control case, level sensor is used for detecting the inside liquid level of sampling device, the vacuum pump is used for extracting the air in the sampling device, quality detection sensor is used for measuring the quality size in the sampling device, tolerance detection sensor is used for measuring the gas flow that the vacuum pump was given vent to anger, level sensor gas flow sensor with quality sensor respectively with display control case's input electric connection, the vacuum pump with display control case's output electric connection.
2. The flotation bubble load automatic measurement system of claim 1, wherein the sampling device comprises: box, guide plate, sampling pipe, extension pipe, liquid level quick adjustment valve, the sampling pipe runs through sampling device's bottom and links to each other with the extension pipe that is located the sampling device outside, the guide plate is established the top of sampling pipe, liquid level quick adjustment valve establishes the side of box.
3. The system according to claim 1, wherein the level sensor, the vacuum pump and the display control box form an automatic level balancing system, and the suction amount of the vacuum pump is controlled to maintain the liquid level at a set value by comparing the detected liquid level value with the set value.
4. The automatic measuring system for the flotation bubble load according to claim 1, wherein the quality detection sensor, the air quantity detection sensor and the display control box form a bubble load parameter detection, calculation and display system, and the bubble load parameters are calculated in real time through the quality and air quantity parameters and displayed.
5. The automatic flotation bubble load measuring system according to claim 2, wherein the liquid level sensor for detecting the liquid level inside the sampling device is arranged at the upper part of the box body, the upper part of the box body is provided with an exhaust port, the exhaust port is connected with the air inlet of the vacuum pump, the air outlet of the vacuum pump is connected with the inlet of the gas flow sensor, and the bottom inside the sampling device is provided with a bottom plate.
6. The automatic flotation bubble load measuring system according to claim 5, wherein the bottom plate is placed at an incline, and a discharge valve is provided at the lowest point of the bottom plate.
7. The flotation bubble load automatic measurement system according to claim 1, wherein the front panel of the sampling device is provided with a viewing window.
8. A flotation bubble load measuring method based on the automatic flotation bubble load measuring system according to any one of claims 1 to 7, comprising the steps of:
the quality parameters, the gas flow parameters and the liquid level parameters are transmitted to a display control box in real time, the calculation of each parameter is completed in the display control box, the result is displayed, and meanwhile, the display control box sends out a regulation control signal to the vacuum pump to regulate the air suction amount of the vacuum pump so as to keep the liquid level at a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210052827.1A CN114383664A (en) | 2022-01-18 | 2022-01-18 | Automatic measurement system and method for flotation bubble load |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210052827.1A CN114383664A (en) | 2022-01-18 | 2022-01-18 | Automatic measurement system and method for flotation bubble load |
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