A field detection device for raw ore ion concentration

Abstract

The present invention provides an on-site detection device for raw ore ion concentration, which relates to the technical field of mineral processing monitoring, and comprises a host computer, a central controller, a printing and displaying component, a slurry extraction and filtering component, a standard liquid injection component, a potentiometer and a measuring cell. The host computer is electrically connected to the central controller, and the control end of the central controller is connected to the slurry extraction and filtering component and the standard liquid injection component. The output ends of the slurry extraction and filtering component and the standard liquid injection component are both connected to the measuring cell. The collecting end of the potentiometer is connected to the measuring cell through an ion selective electrode, and the signal output end of the potentiometer is connected to the central controller; the printing and displaying component is connected to the host computer; the present invention provides a reference standard value for the slurry ion concentration, realizes concentration correction and traceability of automatic monitoring, provides reliable quality assurance for mineral processing production, and takes into account standard curves and temperature factors, which is more accurate.

Description

Technical Field

[0001] The invention relates to the technical field of ore dressing monitoring, and in particular to an on-site detection device for raw ore ion concentration. Background Art

[0002] In the process of mineral processing and production, the ion concentration of ore pulp is related to the flotation effect of minerals. Its accurate monitoring will help improve the process and increase efficiency. At present, large-scale non-ferrous metal flotation processes are equipped with automatic monitoring laboratories, which greatly improve the production efficiency of mineral processing operations. According to production needs, real-time automatic monitoring of pH value, copper, nickel, iron, calcium, cyanide and other ion concentrations can be achieved. However, due to the complex physical phases in the ore pulp, ore particles, chemicals, ambient temperature, fluid pressure and speed will have a significant impact on the monitoring results. There are the following difficulties: The online monitoring system for slurry ion concentration lacks a measurement method, and the actual measured value lacks a reference standard value and cannot be traced; The composition of ore pulp is complex, and there are many factors affecting the measurement of ion concentration, so the actual value is quite different from the measured value; Therefore, the present invention proposes an on-site detection device for raw ore ion concentration to solve the problems existing in the prior art. Summary of the invention

[0003] In view of the above problems, the present invention proposes an on-site detection device for the ion concentration of raw ore, which provides a reference standard value for the ion concentration of ore pulp, realizes automatic monitoring concentration correction and traceability, provides reliable quality assurance for mineral processing production, and takes into account the standard curve and temperature factors, which is more accurate.

[0004] To achieve the purpose of the present invention, the present invention is implemented through the following technical solutions: an on-site detection device for raw ore ion concentration, comprising a host computer, a central controller, a printing display component, a slurry extraction and filtration component, a standard liquid injection component, a potentiometer and a measuring cell, wherein the host computer is electrically connected to the central controller, and the control end of the central controller is connected to the slurry extraction and filtration component and the standard liquid injection component, the output ends of the slurry extraction and filtration component and the standard liquid injection component are both connected to the measuring cell, the acquisition end of the potentiometer is connected to the measuring cell through an ion selective electrode, and the signal output end of the potentiometer is connected to the central controller; The printing and display component is connected to the host computer and is used to print out the calibration data. The calibration data output end of the host computer is connected to the slurry ion concentration monitor through the calibration data transmission component, and the detection end of the slurry ion concentration monitor is connected to the measuring cell.

[0005] A further improvement is that: the host computer is provided with an RS485 communication interface, and the host computer is connected to the central controller via the RS485 communication interface to perform data processing.

[0006] A further improvement is that the slurry extraction and filtration assembly comprises a vacuum pump and a filter, and the output end of the slurry extraction and filtration assembly is connected to a first quantitative injection pump, and the output end of the first quantitative injection pump is connected to the measuring cell.

[0007] A further improvement is that the standard liquid injection assembly is provided with a plurality of standard liquid storage positions, and the plurality of standard liquid storage positions are used to store standard liquids of different concentrations, the output end of the standard liquid injection assembly is connected to a second quantitative injection pump, and the output end of the second quantitative injection pump is connected to the measuring cell.

[0008] Further improvements are: the slurry extraction and filtration component, standard liquid injection component, potentiometer, first quantitative injection pump, second quantitative injection pump, ion selective electrode, and measuring cell are all installed inside the body, and an insulation layer and a cooling fan are provided on the inner wall of the body. A thermometer is installed inside the body, and the thermometer is used to measure the ambient temperature in real time and upload it to the host computer.

[0009] A further improvement is that the standard liquid injection component injects a standard solution of a specific concentration into the measuring cell according to the host computer instruction, the potentiometer measures the specific ion electrical signal through the ion selective electrode and feeds it back to the central controller, and the host computer corrects the preset standard curve according to the ambient temperature and the concentration value of the standard solution.

[0010] A further improvement is that the slurry extraction and filtration component extracts the slurry at the mineral processing site according to the instructions of the host computer, obtains the filtrate after filtration, and injects it into the measuring cell through the first quantitative injection pump. The potentiometer measures the specific ion electrical signal through the ion selective electrode and feeds it back to the central controller. The host computer calculates the specific ion concentration value according to the ambient temperature correction and the standard curve.

[0011] A further improvement is that a cleaning pump and a control valve are provided in the measuring pool, and the cleaning pump is used to introduce deionized water for cleaning after the measurement is completed, and the control valve is used to discharge waste liquid after opening.

[0012] A further improvement is that the calibration data transmission component is a communication controller, which is used to connect the ore pulp ion concentration monitor and the host computer for data communication and interaction.

[0013] The beneficial effects of the present invention are: 1. The present invention quantitatively injects a standard solution of a specific concentration into the measuring cell according to the instruction of the host computer through a standard liquid injection component, the potentiometer measures the electrical signal of a specific ion through an ion selective electrode and feeds back to the central controller, the host computer corrects the preset standard curve according to the concentration value of the standard solution, extracts the ore pulp at the mineral processing site through the slurry extraction and filtration component according to the instruction of the host computer, obtains the filtrate after high-efficiency filtration, and quantitatively injects it into the measuring cell through a quantitative injection pump, the potentiometer measures the electrical signal of a specific ion through an ion selective electrode and feeds back to the central controller, the host computer calculates the specific ion concentration value according to the standard curve and temperature correction, thereby providing a reference standard value for the ion concentration of the ore pulp, realizing the concentration correction and traceability of automatic monitoring, providing reliable quality assurance for mineral processing production, and taking into account the standard curve and temperature factors, which is more accurate.

[0014] 2. The present invention has two working modes. The first one is: by operating the host computer, injecting standard liquid into the measuring pool according to the steps of the standard liquid injection component, correcting the standard curve, and injecting slurry filtration solution into the measuring pool according to the steps of the slurry extraction and filtration component. The host computer calculates the specific ion concentration value in the slurry filtration solution, and outputs it to the calibrated slurry ion concentration monitor through the calibration data transmission component for calibration. The second one is: injecting standard liquid into the measuring pool according to the steps of the standard liquid injection component, the calibrated slurry ion concentration monitor puts the measuring electrode into the measuring pool for detection and recording, operates in sequence according to the standard solution sequence, and uses the reference value of the standard solution to calibrate the calibrated instrument. In summary, the two measurement modes are suitable for different application scenarios and working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the present invention; Figure 2 It is a schematic diagram of the mode principle of the present invention.

[0016] Among them: 1. Host computer; 2. Central controller; 3. Printing and display component; 4. Slurry extraction and filtration component; 5. Standard liquid injection component; 6. Potentiometer; 7. Ion selective electrode; 8. Measuring cell; 9. Calibration data transmission component; 10. Slurry ion concentration monitor; 11. First quantitative injection pump; 12. Second quantitative injection pump; 13. Machine body. DETAILED DESCRIPTION

[0017] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0018] Embodiment 1 according to Figure 1 , 2As shown, this embodiment proposes an on-site detection device for raw ore ion concentration, including a host computer 1, a central controller 2, a printing display component 3, a slurry extraction and filtration component 4, a standard liquid injection component 5, a potentiometer 6 and a measuring cell 8, wherein the host computer 1 is electrically connected to the central controller 2, and the control end of the central controller 2 is connected to the slurry extraction and filtration component 4 and the standard liquid injection component 5, the output ends of the slurry extraction and filtration component 4 and the standard liquid injection component 5 are connected to the measuring cell 8, the collection end of the potentiometer 6 is connected to the measuring cell 8 through an ion selective electrode 7, and the signal output end of the potentiometer 6 is connected to the central controller 2; The printing display component 3 is connected to the host computer 1 and is used to print out the calibration data. The calibration data output end of the host computer 1 is connected to the ore pulp ion concentration monitor 10 through the calibration data transmission component 9, and the detection end of the ore pulp ion concentration monitor 10 is connected to the measuring cell 8. The device extracts the ore pulp fluid in the ore dressing process and prepares a clarified sample solution after filtration; the device can be equipped with an ion selective electrode 7 as needed, including but not limited to detecting the ion concentrations of H+, Ag+, Cu2+, Cd2+, K+, Na+, F-, CN-, Cl-, Br-, I- in the ore pulp; a series of standard curves and temperature curves are preset to correct the ion concentration measurement value according to the ambient temperature. When in use, the machine is turned on for self-test, and the calibration parameters and corresponding ambient temperature and humidity data are input into the host computer 1, which determines whether the device has the conditions for on-site calibration. When the on-site temperature and humidity environmental conditions are met, the corresponding standard solution is loaded into the standard liquid injection component 5. The device is started to establish an ion concentration standard curve. The standard liquid injection component 5 injects standard solutions into the measuring cell 8 according to the concentration from low to high, and the ion selective electrode 7 measures the concentration respectively. The measuring cell 8 is cleaned after each measurement, and the potentiometer 6 uploads the measured potential value to the host computer 1 and records it. The host computer 1 corrects and converts the measured value according to the ambient temperature to obtain the ion concentration standard curve. Measurement of the standard value of slurry ion concentration. The slurry extraction and filtration component 4 extracts and filters the slurry and injects it into the measuring cell 8. The ion selective electrode 7 is inserted into the measuring cell 8. The potentiometer 6 reads and uploads the potential value. After temperature correction, the standard value of slurry ion concentration is obtained. Upload of calibration data. The ion concentration calibration curve and the standard value of slurry ion concentration are uploaded to the calibrated slurry ion concentration monitor 10 through the calibration data transmission component 9, and compared with the current concentration measurement value of the calibrated instrument to obtain the correction value and input it into the calibrated instrument to complete the calibration work. Through the printing display component 3, the measured data can be displayed, output and printed, and it can also be connected to the calibrated slurry ion concentration monitor 10 and import data to realize the on-site calibration of the calibrated instrument.

[0019] The host computer 1 is provided with an RS485 communication interface, and the host computer 1 is connected to the central controller 2 via the RS485 communication interface to process data, so as to facilitate rapid data transmission.

[0020] The slurry extraction and filtration component 4 includes a vacuum pump and a filter, and the output end of the slurry extraction and filtration component 4 is connected to a first quantitative injection pump 11, and the output end of the first quantitative injection pump 11 is connected to the measuring cell 8. The standard liquid injection component 5 is provided with a plurality of standard liquid storage positions, and the plurality of standard liquid storage positions are used to store standard liquids of different concentrations. The output end of the standard liquid injection component 5 is connected to a second quantitative injection pump 12, and the output end of the second quantitative injection pump 12 is connected to the measuring cell 8. The slurry extraction and filtration component 4, the standard liquid injection component 5, the potentiometer 6, the first quantitative injection pump 11, the second quantitative injection pump 12, the ion selective electrode 7, and the measuring cell 8 are all installed inside the body 13, and the inner wall of the body 13 is provided with an insulation layer and a cooling fan, and a thermometer is installed inside the body 13, and the thermometer is used to measure the ambient temperature in real time and upload it to the host computer 1. The standard liquid injection component 5 injects a standard solution of a specific concentration into the measuring cell 8 according to the instruction of the host computer 1, and the potentiometer 6 measures the specific ion electrical signal through the ion selective electrode 7 and feeds it back to the central controller 2. The host computer 1 corrects the preset standard curve according to the ambient temperature and the concentration value of the standard solution. The slurry extraction and filtration component 4 extracts the slurry at the mineral processing site according to the instruction of the host computer 1, obtains the filtrate after filtration, and injects it into the measuring cell 8 through the first quantitative injection pump 11. The potentiometer 6 measures the specific ion electrical signal through the ion selective electrode 7 and feeds it back to the central controller 2. The host computer 1 calculates the specific ion concentration value according to the ambient temperature correction and the standard curve.When in use, the standard liquid injection component 5 quantitatively injects a standard solution of a specific concentration into the measuring cell 8 according to the instruction of the host computer 1, the potentiometer 6 measures the electrical signal of the specific ion through the ion selective electrode 7 and feeds back to the central controller 2, the host computer 1 corrects the preset standard curve according to the concentration value of the standard solution, and extracts the ore pulp on the beneficiation site through the slurry extraction and filtration component 4 according to the instruction of the host computer 1, obtains the filtrate after high-efficiency filtration, and quantitatively injects it into the measuring cell 8 through the quantitative injection pump, the potentiometer 6 measures the electrical signal of the specific ion through the ion selective electrode 7 and feeds back to the central controller 2, the host computer 1 calculates the specific ion concentration value according to the standard curve and temperature correction, thereby providing a reference standard value for the ion concentration of the ore pulp, realizing the concentration correction and traceability of automatic monitoring, At the same time, there are two working modes. The first one is: by operating the host computer 1, the standard liquid is injected into the measuring pool 8 according to the steps of the standard liquid injection component 5, the standard curve is corrected, and the pulp filtration solution is injected into the measuring pool 8 according to the steps of the pulp extraction and filtration component 4. The host computer 1 calculates the specific ion concentration value in the pulp filtration solution, and outputs it to the calibrated pulp ion concentration monitor 10 through the calibration data transmission component 9 for calibration. The second one is: according to the steps of the standard liquid injection component 5, the standard liquid is injected into the measuring pool 8, and the calibrated pulp ion concentration monitor 10 puts the measuring electrode into the measuring pool 8 for detection and recording, operates in sequence according to the standard solution sequence, and calibrates the calibrated instrument using the reference value of the standard solution.

[0021] The calibration data transmission component 9 is a communication controller, which is used to connect the ore pulp ion concentration monitor 10 and the host computer 1 for data communication and interaction. When in use, the host computer 1 uploads the ion concentration calibration curve and the ore pulp ion concentration standard value to the calibrated ore pulp ion concentration monitor 10 through the calibration data transmission component 9, compares it with the current concentration measurement value of the calibrated instrument, obtains the correction value and inputs it into the calibrated instrument to complete the calibration work.

[0022] Embodiment 2 according to Figure 1 , 2 As shown, this embodiment proposes an on-site detection device for raw ore ion concentration, including a host computer 1, a central controller 2, a printing display component 3, a slurry extraction and filtration component 4, a standard liquid injection component 5, a potentiometer 6 and a measuring cell 8, wherein the host computer 1 is electrically connected to the central controller 2, and the control end of the central controller 2 is connected to the slurry extraction and filtration component 4 and the standard liquid injection component 5, the output ends of the slurry extraction and filtration component 4 and the standard liquid injection component 5 are connected to the measuring cell 8, the collection end of the potentiometer 6 is connected to the measuring cell 8 through an ion selective electrode 7, and the signal output end of the potentiometer 6 is connected to the central controller 2; The printing display component 3 is connected to the host computer 1 and is used to print out the calibration data. The calibration data output end of the host computer 1 is connected to the ore pulp ion concentration monitor 10 through the calibration data transmission component 9, and the detection end of the ore pulp ion concentration monitor 10 is connected to the measuring cell 8. The device extracts the ore pulp fluid in the ore dressing process and prepares a clarified sample solution after filtration; the device can be equipped with an ion selective electrode 7 as needed, including but not limited to detecting the ion concentrations of H+, Ag+, Cu2+, Cd2+, K+, Na+, F-, CN-, Cl-, Br-, I- in the ore pulp; a series of standard curves and temperature curves are preset to correct the ion concentration measurement value according to the ambient temperature. When in use, the machine is turned on for self-test, and the calibration parameters and corresponding ambient temperature and humidity data are input into the host computer 1, which determines whether the device has the conditions for on-site calibration. When the on-site temperature and humidity environmental conditions are met, the corresponding standard solution is loaded into the standard liquid injection component 5. The device is started to establish an ion concentration standard curve. The standard liquid injection component 5 injects standard solutions into the measuring cell 8 according to the concentration from low to high, and the ion selective electrode 7 measures the concentration respectively. The measuring cell 8 is cleaned after each measurement, and the potentiometer 6 uploads the measured potential value to the host computer 1 and records it. The host computer 1 corrects and converts the measured value according to the ambient temperature to obtain the ion concentration standard curve. Measurement of the standard value of slurry ion concentration. The slurry extraction and filtration component 4 extracts and filters the slurry and injects it into the measuring cell 8. The ion selective electrode 7 is inserted into the measuring cell 8. The potentiometer 6 reads and uploads the potential value. After temperature correction, the standard value of slurry ion concentration is obtained. Upload of calibration data. The ion concentration calibration curve and the standard value of slurry ion concentration are uploaded to the calibrated slurry ion concentration monitor 10 through the calibration data transmission component 9, and compared with the current concentration measurement value of the calibrated instrument to obtain the correction value and input it into the calibrated instrument to complete the calibration work. Through the printing display component 3, the measured data can be displayed, output and printed, and it can also be connected to the calibrated slurry ion concentration monitor 10 and import data to realize the on-site calibration of the calibrated instrument.

[0023] The host computer 1 is provided with an RS485 communication interface, and the host computer 1 is connected to the central controller 2 via the RS485 communication interface to perform data processing, thereby facilitating rapid data transmission.

[0024] The measuring pool 8 is provided with a cleaning pump and a control valve, and the cleaning pump is used to introduce deionized water for cleaning after the measurement is completed, and the control valve is used to discharge waste liquid after opening. The measuring pool 8 is rinsed after each operation, and the waste liquid is discharged, and the functions are diversified.

[0025] The on-site detection device for the raw ore ion concentration quantitatively injects a standard solution of a specific concentration into a measuring cell 8 according to the instruction of a host computer 1 through a standard liquid injection component 5, a potentiometer 6 measures the electrical signal of a specific ion through an ion selective electrode 7 and feeds back to a central controller 2, the host computer 1 corrects a preset standard curve according to the concentration value of the standard solution, extracts ore pulp from the beneficiation site through a slurry extraction and filtration component 4 according to the instruction of the host computer 1, obtains a filtrate after high-efficiency filtration, and quantitatively injects the filtrate into the measuring cell 8 through a quantitative injection pump, the potentiometer 6 measures the electrical signal of a specific ion through an ion selective electrode 7 and feeds back to the central controller 2, the host computer 1 calculates the specific ion concentration value according to the standard curve and temperature correction, thereby providing a reference standard value for the ion concentration of the ore pulp, realizing concentration correction and traceability of automatic monitoring, providing reliable quality assurance for beneficiation and smelting production, and taking into account the standard curve and temperature factors, which is more accurate. At the same time, this product has two working modes. The first one is: by operating the host computer 1, the standard liquid is injected into the measuring cell 8 according to the steps of the standard liquid injection component 5, and the standard curve is corrected. The pulp filtration solution is injected into the measuring cell 8 according to the steps of the pulp extraction and filtration component 4. The host computer 1 calculates the specific ion concentration value in the pulp filtration solution, and outputs it to the calibrated pulp ion concentration monitor 10 through the calibration data transmission component 9 for calibration. The second one is: according to the steps of the standard liquid injection component 5, the standard liquid is injected into the measuring cell 8, and the calibrated pulp ion concentration monitor 10 puts the measuring electrode into the measuring cell 8 for detection and recording, operates in sequence according to the standard solution sequence, and uses the reference value of the standard solution to calibrate the calibrated instrument. In summary, the two measurement modes are suitable for different application scenarios and working conditions.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A field detection device for raw ore ion concentration, comprising a host computer (1), a central controller (2), a printing display component (3), a slurry extraction and filtration component (4), a standard liquid injection component (5), a potentiometer (6) and a measuring cell (8), characterized in that: The host computer (1) is electrically connected to the central controller (2), and the control end of the central controller (2) is connected to the slurry extraction and filtration component (4) and the standard liquid injection component (5), the output ends of the slurry extraction and filtration component (4) and the standard liquid injection component (5) are both connected to the measuring cell (8), the collection end of the potentiometer (6) is connected to the measuring cell (8) via the ion selective electrode (7), and the signal output end of the potentiometer (6) is connected to the central controller (2); The printing and display component (3) is connected to the host computer (1) and is used to print out calibration data; the calibration data output end of the host computer (1) is connected to the ore pulp ion concentration monitor (10) via the calibration data transmission component (9), and the detection end of the ore pulp ion concentration monitor (10) is connected to the measuring cell (8).

2. The on-site detection device for raw ore ion concentration according to claim 1 is characterized in that: The host computer (1) is provided with an RS485 communication interface, and the host computer (1) is connected to the central controller (2) via the RS485 communication interface to perform data processing.

3. The on-site detection device for raw ore ion concentration according to claim 1 is characterized in that: The slurry extraction and filtration component (4) comprises a vacuum pump and a filter, and the output end of the slurry extraction and filtration component (4) is connected to a first quantitative injection pump (11), and the output end of the first quantitative injection pump (11) is connected to the measuring cell (8).

4. The on-site detection device for raw ore ion concentration according to claim 3 is characterized in that: The standard liquid injection assembly (5) is provided with a plurality of standard liquid storage positions, and the plurality of standard liquid storage positions are used to store standard liquids of different concentrations, the output end of the standard liquid injection assembly (5) is connected to a second quantitative injection pump (12), and the output end of the second quantitative injection pump (12) is connected to the measuring cell (8).

5. The on-site detection device for raw ore ion concentration according to claim 4 is characterized in that: The slurry extraction and filtration component (4), the standard liquid injection component (5), the potentiometer (6), the first quantitative injection pump (11), the second quantitative injection pump (12), the ion selective electrode (7), and the measuring cell (8) are all installed inside the body (13), and an insulation layer and a cooling fan are provided on the inner wall of the body (13). A thermometer is installed inside the body (13), and the thermometer is used to measure the ambient temperature in real time and upload it to the host computer (1).

6. The on-site detection device for raw ore ion concentration according to claim 5 is characterized in that: The standard liquid injection component (5) injects a standard solution of a specific concentration into the measuring cell (8) according to the instruction of the host computer (1), the potentiometer (6) measures the electrical signal of the specific ion through the ion selective electrode (7) and feeds it back to the central controller (2), and the host computer (1) corrects the preset standard curve according to the ambient temperature and the concentration value of the standard solution.

7. The on-site detection device for raw ore ion concentration according to claim 6 is characterized in that: The slurry extraction and filtration component (4) extracts slurry from the ore dressing site according to the instruction of the host computer (1), obtains filtrate after filtration, and injects the filtrate into the measuring cell (8) through the first quantitative injection pump (11). The potentiometer (6) measures the specific ion electrical signal through the ion selective electrode (7) and feeds it back to the central controller (2). The host computer (1) calculates the specific ion concentration value according to the ambient temperature correction and the standard curve.

8. The on-site detection device for raw ore ion concentration according to claim 1 is characterized in that: The measuring pool (8) is provided with a cleaning pump and a control valve, wherein the cleaning pump is used to introduce deionized water for cleaning after the measurement is completed, and the control valve is used to discharge waste liquid after opening.

9. The on-site detection device for raw ore ion concentration according to claim 1 is characterized in that: The calibration data transmission component (9) is a communication controller, which is used to connect the ore pulp ion concentration monitor (10) and the host computer (1) to perform data communication and interaction.

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