Automatic control production system for desiliconizing high-silicon bauxite
By adopting an automated control production system during bauxite desilica processing, the liquid level, gas volume and feed volume in the flotation column are accurately adjusted, and the problem of unstable desilica processing in the prior art is solved, thereby improving processing efficiency and the recovery rate of useful minerals.
Patent Information
- Application Number
- CN202510049710.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2045-01-13
AI Technical Summary
In the prior art, the flotation desilicon processing effect cannot meet the needs of bauxite production, and the flotation liquid level, intake air volume and feed volume cannot be accurately adjusted during the desilicon processing, resulting in unstable production.
An automated control production system is adopted for high silicon bauxite desiliconization, which includes a desiliconization unit, a monitoring unit and a control unit. The desilicate unit includes a flotation column and a bubble generator. The monitoring unit is used to monitor the liquid level, inflation and feed volume in real time. The control unit dynamically adjusts these parameters according to the monitoring results.
By precisely controlling the liquid level, gas charge and feed volume in the flotation column, the stability and efficiency of desiliconization processing are improved, the recovery rate of useful minerals is enhanced, and the high yield, high quality and long-term operation of production equipment is ensured.
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Figure CN119747100A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of bauxite beneficiation and processing, and in particular to an automated control production system for desiliconization of high-silicon bauxite. Background Art
[0002] Bauxite is the main raw material for the aluminum smelting industry. With the rapid development of my country's aluminum industry, the demand for aluminum raw materials is also increasing. With the continuous mining of bauxite, the high aluminum-silicon ratio ore and low-sulfur bauxite are exhausted. In order to ensure the efficient development of bauxite resources and the sustainable development of the national economy, the comprehensive utilization of low-grade high-silicon bauxite in production and processing has gradually been developed and utilized. Among them, since high-silicon bauxite usually contains some silicon, when using the combined method or sintering method to produce alumina, the content of harmful impurities such as silicon, sulfur, and iron is too high, which not only makes the alumina production process complicated, but also increases the alkali consumption, power consumption and production costs. Therefore, it is necessary to pre-treat the high-silicon bauxite for desiliconization. Among them, when desiliconizing high-silicon bauxite, the desiliconization is mainly carried out by flotation desiliconization.
[0003] For example, a patent document with publication number CN 117138967 A discloses a method for flotation desulfurization and desiliconization of high-sulfur and high-silicon bauxite, which comprises grinding and slurrying the bauxite to obtain a pulp; after the pulp is adjusted to a pH of 9.5-10.5, reverse flotation desulfurization is carried out using xanthate compounds, hydroxamic acid compounds and non-polar oil as collectors I and sulfate as an activator to obtain a sulfur rough concentrate and a desulfurized tailing; after the desulfurized tailing is adjusted to a pH of 9.5-10.5, direct flotation desiliconization is carried out using fatty acid soap compounds and hydroxamic acid compounds as collectors II to obtain a bauxite rough concentrate and tailings; after the bauxite rough concentrate is adjusted to a pH of 9.5-10.5, a silicate inhibitor and a sulfide ore inhibitor are added to carry out concentration to obtain a bauxite concentrate and a concentrated tailings. This technical solution realizes the desulfurization and desiliconization of high-sulfur and high-silicon bauxite, and the obtained sulfur concentrate has high purity, and the bauxite concentrate has a high aluminum-silicon ratio and low sulfur content.
[0004] Although the above technical solution can realize the desulfurization and desiliconization processing of high-silicon bauxite, the following problems usually exist in the desulfurization and desiliconization process:
[0005] 1. In order to more effectively achieve the monomer dissociation of the target mineral, the mineral is usually ground finer and finer before processing. The over-fine mineral is easy to adhere to the air bubble, which reduces the floatability of the coarse particles, deteriorates the selectivity, makes the separation effect poor, makes the flotation separation difficult, affects the grade of the concentrate, and causes the desiliconization effect of the conventional bubble flotation process to be unable to meet the requirements for bauxite in production and processing.
[0006] 2. During the desiliconization process of bauxite, the flotation liquid level, air intake, spray water and other parameters need to be accurately controlled and adjusted. At present, during the desiliconization process, it is impossible to accurately adjust various parameters according to the actual needs of the desiliconization process, which restricts the flotation product quality, stable yield and production scale of the flotation process working in a certain stable state; resulting in insufficient economic conditions and restricting the continued development of technology. Summary of the invention
[0007] The present invention aims to provide an automated control production system for desiliconization of high-silicon bauxite, so as to solve the technical problem in the prior art that the flotation desiliconization processing effect cannot meet the production needs of bauxite.
[0008] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an automated control production system for desiliconization of high-silicon bauxite, comprising a desiliconization unit, a monitoring unit and a control unit, wherein the desiliconization unit comprises a flotation column, a separation chamber is arranged in the flotation column, and a feed port is arranged on one side of the flotation column; the feed port is connected to a delivery pump through an bauxite slurry delivery pipe; a first output port and a second output port are arranged on the separation chamber, the first output port is used to output the separated tailings, and the second output port is used to output the separated concentrate; a bubble generator is also connected to the separation chamber, and the bubble generator is used to deliver bubbles into the separation chamber;
[0009] The monitoring unit includes a liquid level monitoring part, an inflation monitoring part and a feed monitoring part, wherein the liquid level monitoring part is used to monitor the liquid level in the separation chamber, the inflation monitoring part is used to monitor the amount of air input by the bubble generator, and the feed monitoring part is used to monitor the feed amount of the feed port;
[0010] The control unit is used to adjust various parameters of the flotation column during the flotation desiliconization process according to various monitoring results of the flotation column by the monitoring units of the monitoring unit.
[0011] The principle and advantages of this solution: When desiliconizing bauxite, the bauxite slurry is transported to the separation chamber, and the reagents and other materials required for separation are added to the separation chamber. The bauxite slurry is separated and processed in the separation chamber, so that the bauxite slurry is separated to obtain concentrate and tailings, completing the desiliconization of bauxite. In the process of desiliconization separation of bauxite, the liquid level height, air intake and feed amount in the process are dynamically monitored by the monitoring unit, and the liquid level height, air intake and feed amount in the desiliconization process are dynamically adjusted by the control unit according to the monitoring results of the monitoring unit, so that various parameters in the desiliconization process can be maintained within the preset range.
[0012] In this solution, during the desiliconization process of bauxite, the liquid level of bauxite is dynamically monitored and adjusted, so that during the flotation production process, the liquid level, gas volume and feed volume in the flotation column can be accurately controlled, the slurry level in the flotation column can be kept stable, and the matching degree between the gas volume and feed volume and the actual processing situation can be improved. While improving the stability of the flotation processing effect, the recovery rate of useful minerals can be improved to ensure the effect of the flotation processing. And through the monitoring unit and the control unit, the monitoring and adjustment of various parameters in the desiliconization process are automatically completed to ensure that the desiliconization processing equipment can operate safely with higher yield, higher quality and longer period, and ensure that the production is maintained in a normal or optimal process operation state.
[0013] Preferably, as an improvement, the liquid level monitoring unit includes a float, a reflector is provided on the top of the float, the reflector is connected to the float by a connecting rod, and the float is used to drive the reflector to move up and down; a first sensor is provided above the reflector, and the first sensor is used to monitor the height position of the reflector. The reflector is driven up and down by the float to adjust the position of the reflector according to the change of the liquid level, so that the liquid level can be accurately monitored through the foam layer, reducing the interference of the foam layer during liquid level monitoring; and the position of the reflector is monitored by the sensor, so that when the position of the reflector changes, the height change of the reflector can be accurately measured in a timely and precise manner.
[0014] Preferably, as an improvement, a position limiting tube is provided between the reflector and the float, and the connecting rod passes through the position limiting tube, and the position limiting tube is used to limit the horizontal position of the connecting rod. When the float drives the reflector to move, the reflector can be fixed in a horizontal position, thereby avoiding the horizontal deviation of the reflector during movement, resulting in the deviation of the reflector in transmitting the liquid level position, and affecting the accuracy of liquid level monitoring.
[0015] Preferably, as an improvement, a control valve is provided on each of the first output port and the second output port, and the control valve is used to control the opening and closing size of the first output port and the second output port, so that the opening and closing size of each output port can be controlled and adjusted by the control valve, so that the output speed of each output port can be dynamically adjusted according to actual needs during the desiliconization process, so as to ensure that the output speed during the process matches the actual needs.
[0016] Preferably, as an improvement, the control unit adjusts the opening and closing sizes of the control valves on the first output port and the second output port according to the monitoring result of the liquid level monitoring unit.
[0017] Preferably, as an improvement, the control unit adjusts the gas volume of the bubble generator while controlling the liquid level, so that when the liquid level changes, the gas volume can be adjusted in time to ensure that a sufficient amount of foam is formed in the separation chamber to separate the bauxite by entraining the ore minerals, thereby ensuring the normal desiliconization operation.
[0018] Preferably, as an improvement, the control unit is also used to adjust the inflation amount of the bubble generator according to the monitoring contents of the liquid level monitoring unit and the inflation monitoring unit. By monitoring and controlling the air flow rate in the bubble generator, it is possible to avoid the air flow rate being too low, which may cause the foam area to easily gather and form a dead zone, or the air flow rate being too high, which may cause the ore minerals to be entrained while carrying too much aluminum silicate gangue minerals, thereby affecting the flotation effect of bauxite.
[0019] Preferably, as an improvement, the control unit is also used to perform fuzzy control on the liquid level and the inflation volume of the bubble generator during the desiliconization process, so that during the desiliconization process, the control unit can continuously fine-tune the liquid level height and the inflation volume to ensure that the thickness of the foam layer can match the actual demand and ensure the normal progress of the desiliconization process.
[0020] Preferably, as an improvement, the control unit is also used to control and adjust the delivery volume of the delivery pump according to the monitoring result of the feed monitoring unit. By monitoring the feed volume, the feed volume during the desiliconization process is improved in terms of appropriateness and stability, and the feed volume is prevented from affecting the balance of the flotation system and the consumption of the reagents, while preventing the feed volume from being too small or too large, affecting the sorting process time and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a structural block diagram of the automated control production system for desiliconization of high-silicon bauxite in an embodiment of the present invention.
[0022] Figure 2 Schematic diagram of the structure of the desiliconization unit in an embodiment of the present invention.
[0023] Figure 3 Schematic diagram of the structure of the liquid level monitoring unit in the embodiment of the present invention DETAILED DESCRIPTION
[0024] The following is further described in detail through specific implementation methods:
[0025] The reference numerals in the drawings of the specification include: flotation column 1, shell 101, separation chamber 102, flotation separation chamber 103, cyclone separation chamber 104, bauxite slurry conveying pipe 2, tailings conveying pipe 3, concentrate conveying pipe 4, circulation conveying pipe 5, bubble generator 501, control valve 6, liquid level monitoring unit 7, float 701, reflector 702, connecting rod 703, and limit pipe 704.
[0026] As attached Figure 1 As shown, the automated control production system for desiliconization of high-silicon bauxite includes a desiliconization unit, a monitoring unit and a control unit, wherein the desiliconization unit is used to desiliconize the high-silicon bauxite, the monitoring unit is used to monitor various parameters during the desiliconization process of the desiliconization unit, and the control unit is used to adjust various parameters of the desiliconization unit according to the monitoring results of the monitoring unit.
[0027] As attached Figure 2 As shown, the desiliconization unit includes a flotation column 1, which includes a shell 101, a separation chamber 102 is provided in the shell 101, and a feed port is provided at one end of the side wall of the flotation column 1 near the top, one end of the feed port is connected to the separation chamber 102, and the other end is connected to the bauxite slurry conveying pipe 2, wherein a conveying pump is connected to the end of the bauxite slurry conveying pipe 2 away from the feed port, and the conveying pump is used to convey the bauxite raw material to be separated and processed into the separation chamber 102. The separation chamber 102 includes a flotation separation chamber 103 and a cyclone separation chamber 104, and the flotation separation chamber 103 and the cyclone separation chamber 104 are stacked and distributed in the shell along the height direction, the flotation separation chamber 103 is used for flotation separation processing of bauxite, and the cyclone separation chamber 104 is used for cyclone stirring separation processing of bauxite, wherein the specific structure and separation process of the flotation separation chamber 103 and the cyclone separation chamber 104 are prior art, and will not be repeated here.
[0028] A first output port is provided at the bottom of the cyclone separation chamber 104, the first output port runs through the bottom of the cyclone separation chamber 104, one end of the first output port away from the cyclone separation chamber 104 is connected to the tailings conveying pipe 3, and the first output port is used to output the tailings separated by the cyclone separation chamber 104. A second output port is provided at the top of the flotation separation chamber 103, one end of the second output port away from the flotation separation chamber 103 is connected to the concentrate conveying pipe 4, and the second output port is used to output the concentrate separated by the flotation separation chamber 103.
[0029] A circulation output port is provided at one end of the side wall of the cyclone separation chamber 104 near the bottom of the cyclone separation chamber 104, the circulation output port penetrates the side wall of the cyclone separation chamber 104, and the end of the circulation output port away from the cyclone separation chamber 104 is connected to the circulation conveying pipe 5, and the circulation output port is used to output the medium ore separated by the cyclone separation chamber 104. A bubble generator 501 is provided at one end of the circulation conveying pipe 5 away from the circulation output port, and the specific circulation output pipe is connected to the input port of the bubble generator 501, and the output port of the bubble generator 501 is connected to one end of the side wall of the cyclone separation chamber 104 near the flotation separation chamber 103, and the bubble generator 501 is used to bubble the medium ore separated by the cyclone separation chamber 104, and convey the bubbled medium ore to the cyclone separation chamber 104. The specific structure of the bubble generator 501 is prior art, and will not be repeated here.
[0030] A control valve 6 is provided on the first output port, the second output port and the circulation output port, respectively, and the control valve 6 is used to control the opening and closing size of the first output port, the second output port and the circulation output port, so as to adjust the discharge amount of the first output port, the second output port and the circulation output port. The opening and closing size of the output port is adjusted by the electromagnetic control valve 6 for the specific first output port, the second output port and the circulation output port, respectively, wherein the specific content of adjusting the opening and closing size of each output port by the electromagnetic control valve 6 is the prior art and will not be repeated here. The opening and closing size of each output port can be controlled and adjusted by the control valve 6, so that the output speed of each output port can be dynamically adjusted according to actual needs during the desiliconization process, and the output speed during the processing is ensured to match the actual needs.
[0031] As attached Figure 3As shown, the monitoring unit includes a liquid level monitoring part 7, which is used to monitor the liquid level in the flotation separation chamber 103, wherein the liquid level monitoring part 7 includes a float 701, the density of the float 701 is less than the density of the ore pulp in the flotation separation chamber 103, that is, the float 701 can float on the liquid surface in the flotation separation chamber 103. A reflector 702 is provided on the top of the flotation separation chamber 103, and the reflector 702 is connected to the float 701 through a connecting rod 703. The float 701 is used to move up and down according to the liquid level of the ore pulp in the flotation separation chamber 103, and drive the reflector 702 to move up and down. A first sensor is provided above the reflector 702, and the first sensor is used to monitor the height position of the reflector 702, wherein the first sensor may be an infrared sensor, an ultrasonic sensor or other distance monitoring sensor, and preferably in this embodiment, the first sensor is an ultrasonic distance measuring sensor of model URM08-RS485, wherein the specific content of monitoring the position of the reflector 702 by ultrasonic wave is the prior art, and will not be described in detail here. The reflector 702 is driven up and down by the float 701 to adjust the position of the reflector 702 according to the change of the liquid level, so that the liquid level height can be accurately monitored through the foam layer, and the interference of the foam layer during the liquid level monitoring can be reduced; and the position of the reflector 702 is monitored by the sensor, so that when the position of the reflector 702 changes, the height change of the reflector 702 can be accurately measured in a timely and precise manner.
[0032] A limit tube 704 is provided between the reflector 702 and the float 701. The limit tube 704 is a hollow tube. The extension direction of the limit tube 704 is consistent with the extension direction of the connecting rod 703 between the reflector 702 and the float 701. The outer wall of the limit tube 704 is fixedly connected to the inner wall of the flotation separation chamber 103 by bolts or welding. The connecting rod 703 runs through the limit tube 704, and the limit tube 704 is used to limit the horizontal position of the connecting rod 703. When the float 701 drives the reflector 702 to move, the reflector 702 can be limited and fixed in the horizontal position, avoiding the horizontal deviation of the reflector 702 during the movement, resulting in the deviation of the reflector 702 in transmitting the liquid level height position, affecting the accuracy of liquid level height monitoring.
[0033] The monitoring unit also includes an inflation monitoring unit, which is used to monitor the amount of air delivered to the separation chamber 102. Specifically, when the inflation monitoring unit monitors the amount of air delivered to the separation chamber 102, it monitors the air flow rate input into the bubble generator 501, and analyzes the amount of air delivered to the separation chamber 102 by the bubble generator 501 according to the monitoring of the air flow rate input into the bubble generator 501. When the air flow rate of the bubble generator 501 is monitored, the air pressure of the input air can be monitored by selecting a pressure sensor. Preferably, in this embodiment, a gas pressure sensor of model AP-C30 is selected to monitor the pressure of the input air. In other embodiments, other sensors can also be selected to monitor the amount of input air. By monitoring the input air of the bubble generator 501, when the pulp is flotated by foam, the input air can be accurately monitored, thereby improving the comprehensiveness of the flotation process monitoring parameters.
[0034] The monitoring unit also includes a feed monitoring unit, which is used to monitor the amount of bauxite raw materials transported from the feed port to the separation chamber 102. Specifically, a flow meter is provided on the feed port, and the flow meter monitors the flow of bauxite passing through the feed port. Preferably, in this embodiment, an electromagnetic flow meter of model KR-DC is selected to monitor the feed amount of bauxite. By monitoring the feed, the amount of input minerals can be effectively monitored during the flotation process to ensure that the input bauxite can match the actual demand.
[0035] The control unit is electrically connected to the liquid level monitoring unit 7, the inflation monitoring unit and the feed monitoring unit of the monitoring unit. The control unit is used to obtain the monitoring results of the flotation column 1 by the monitoring units of the monitoring unit, and to control and adjust the various parameters of the flotation column 1 during the flotation desiliconization process. The control unit can be a single-chip microcomputer, a microprocessor or other chips. Preferably, in the present embodiment, the control unit uses a high-performance MCU single-chip microcomputer of model STM32F207 to control the desiliconization process of the flotation unit.
[0036] The control unit is used to control the liquid level height in the flotation column 1 according to the monitoring result of the monitoring unit. The control unit is electrically connected to the solenoid valves on the first output port, the second output port and the circulation output port. The control unit adjusts the opening and closing size of the first output port and the second output port according to the monitoring result of the liquid level monitoring unit 7 in the monitoring unit. Specifically, when the liquid level monitoring unit 7 monitors that the liquid level height in the flotation chamber is greater than a preset value, the control unit issues an instruction to control the control valve 6 on the first output port and the second output port to increase the opening, so that the output of the first output port or the second output port increases, so that the liquid level in the separation chamber 102 can be reduced. When the liquid level monitoring unit 7 monitors that the liquid level height in the flotation chamber is less than the preset value, the control unit issues an instruction to control the control valve 6 on the first output port and the second output port to reduce the opening, so that the output of the first output port or the second output port decreases, so that the liquid level in the separation chamber 102 can be increased, so that the height in the separation chamber 102 can be maintained within a reasonable range.
[0037] The control unit is also used to adjust the amount of air delivered to the separation chamber 102 according to the monitoring contents of the liquid level monitoring unit 7 and the inflation monitoring unit. Specifically, when adjusting the amount of air, the control unit analyzes the amount of input air that matches the liquid level according to the liquid level data monitored by the liquid level monitoring unit 7, and compares the amount of input air corresponding to the actual air input pressure monitored by the inflation monitoring unit with the required amount of input air. When the actual amount of input air is less than the required amount of input air, the control unit issues an instruction to increase the amount of air intake in the bubble generator 501. When the actual amount of input air is greater than the required amount of input air, the control unit issues an instruction to reduce the amount of air intake in the bubble generator 501. The specific content of analyzing the amount of inflation according to the liquid level height monitored by the liquid level monitoring unit 7 is a prior art and will not be described in detail here. The inflation volume is the most flexible and sensitive parameter in the control of the flotation column 1. By monitoring and controlling the air flow rate in the bubble generator 501, it can prevent the air flow rate from being too small, which will cause the foam area to easily accumulate and form a dead zone, or the air flow rate from being too large, which will cause the flotation column 1 to "overflow" and affect the flotation effect of bauxite.
[0038] The control unit adjusts the amount of gas while controlling the liquid level. Specifically, when the control unit detects that the liquid level in the separation chamber 102 has changed, the control unit adjusts the control valve 6 and the amount of gas, so that the amount of air input by the bubble generator 501 can match the actual demand. When the liquid level changes, the gas volume can be adjusted in time to ensure that a sufficient amount of foam is formed in the separation chamber 102 to separate the ore minerals from the bauxite, thereby ensuring the normal desiliconization operation.
[0039] When the control unit adjusts the liquid level and the gas volume, it is also used to perform fuzzy control on the liquid level and the gas volume, that is, during the desiliconization process of bauxite, the control unit uses the fuzzy control algorithm to perform dynamic fuzzy control on the air intake of the control valve 6 and the bubble generator 501, so that the liquid level and the air intake in the separation chamber 102 can be maintained within a preset range, wherein the specific content of the fuzzy control algorithm is the prior art and will not be described in detail here. During the desiliconization process, the control unit can continuously fine-tune the liquid level and the gas volume to ensure that the thickness of the foam layer can match the actual demand and ensure the normal progress of the desiliconization process.
[0040] The control unit is also used to control the feed amount. Specifically, a preset range value of the feed amount is stored in the control unit. The control unit compares the actual feed amount monitored by the feed monitoring unit with the preset feed amount value. When the actual feed amount value monitored is greater than the preset feed amount, the feed speed is too fast, and the control unit issues an instruction to adjust the power of the delivery pump on the bauxite slurry delivery pipe 2 to reduce the feed speed; when the actual feed amount value monitored is less than the preset feed amount, the feed speed is too slow, and the control unit issues an instruction to adjust the power of the delivery pump on the bauxite slurry delivery pipe 2 to increase the feed speed, so that the feed amount can be matched with the actual demand. By monitoring the feed amount, the feed amount during the desiliconization process is improved in terms of appropriateness and stability, and the feed amount is prevented from affecting the balance of the flotation system and the consumption of the reagent, while avoiding the feed amount being too small or too large, which affects the sorting process time and efficiency.
[0041] The specific implementation process is as follows:
[0042] When desiliconizing bauxite, the bauxite slurry is transported to the separation chamber 102, and the reagents and other materials required for separation are added to the separation chamber 102. The bauxite slurry is subjected to cyclone separation and flotation separation in the separation chamber 102, respectively, so that the bauxite slurry is separated to obtain concentrate and tailings, and the desiliconization of the bauxite is completed. In the process of desiliconizing and separating bauxite, the liquid level height, air intake and feed amount in the process are dynamically monitored by the monitoring unit, and the liquid level height, air intake and feed amount in the desiliconization process are dynamically adjusted by the control unit according to the monitoring results of the monitoring unit, so that various parameters in the desiliconization process can be maintained within the preset range.
[0043] Compared with the prior art, in this solution, during the desiliconization process of bauxite, the liquid level of bauxite is dynamically monitored and adjusted, so that during the flotation production process, the liquid level, gas volume and feed volume in the flotation column 1 can be accurately controlled, the slurry level in the flotation column 1 can be kept stable, and the matching degree between the gas volume and feed volume and the actual processing situation can be improved, while improving the stability of the flotation processing effect, the recovery rate of useful minerals can be improved, and the effect of the flotation processing can be guaranteed. In addition, the monitoring unit and the control unit automatically complete the monitoring and adjustment of various parameters in the desiliconization process, ensuring that the desiliconization processing equipment can operate safely with higher yield, higher quality and longer cycle, and ensuring that the production is maintained in a normal or optimal process operation state.
[0044] It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the technical solution of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The protection scope required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.
Claims
1. The automated control production system for desiliconization of high-silicon bauxite is characterized by: It comprises a desiliconization unit, a monitoring unit and a control unit, wherein the desiliconization unit comprises a flotation column, a separation chamber is arranged in the flotation column, and a feed port is arranged on one side of the flotation column; the feed port is connected to a delivery pump through an alumina slurry delivery pipe; a first output port and a second output port are arranged on the separation chamber, the first output port is used to output the separated tailings, and the second output port is used to output the separated concentrate; The separation chamber is also connected to a bubble generator, and the bubble generator is used to transport bubbles into the separation chamber; The monitoring unit includes a liquid level monitoring part, an inflation monitoring part and a feed monitoring part, wherein the liquid level monitoring part is used to monitor the liquid level in the separation chamber, the inflation monitoring part is used to monitor the amount of air input by the bubble generator, and the feed monitoring part is used to monitor the feed amount of the feed port; The control unit is used to adjust various parameters of the flotation column during the flotation desiliconization process according to various monitoring results of the flotation column by the monitoring units of the monitoring unit.
2. The automated control production system for desiliconization of high-silicon bauxite according to claim 1 is characterized in that: The liquid level monitoring unit includes a float, a reflective plate is provided on the top of the float, the reflective plate is connected to the float through a connecting rod, and the float is used to drive the reflective plate to move up and down; a first sensor is provided above the reflective plate, and the first sensor is used to monitor the height position of the reflective plate.
3. The automated control production system for desiliconization of high-silicon bauxite according to claim 2 is characterized in that: A position limiting tube is provided between the reflecting plate and the floating ball, the connecting rod passes through the position limiting tube, and the position limiting tube is used to limit the position of the connecting rod in the horizontal direction.
4. The automated control production system for desiliconization of high-silicon bauxite according to claim 1 is characterized in that: The first output port and the second output port are respectively provided with control valves, and the control valves are used to control the opening and closing sizes of the first output port and the second output port.
5. The automated control production system for desiliconization of high-silicon bauxite according to claim 4 is characterized in that: The control unit adjusts the control valves on the first output port and the second output port according to the monitoring result of the liquid level monitoring unit.
6. The automated control production system for desiliconization of high-silicon bauxite according to claim 5, characterized in that: The control unit controls the liquid level and adjusts the inflation volume of the bubble generator at the same time.
7. The automated control production system for desiliconization of high-silicon bauxite according to claim 1 is characterized in that: The control unit is also used to adjust the inflation volume of the bubble generator according to the monitoring contents of the liquid level monitoring unit and the inflation monitoring unit.
8. The automated control production system for desiliconization of high-silicon bauxite according to claim 1, characterized in that: The control unit is also used to perform fuzzy control on the liquid level and the inflation volume of the bubble generator during the desiliconization process.
9. The automated control production system for desiliconization of high-silicon bauxite according to claim 1, characterized in that: The control unit is also used to control and adjust the delivery volume of the delivery pump according to the monitoring result of the feed monitoring unit.
Citation Information
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