CN111167615A - System for adding chemicals to coal slime in flotation mode and chemical adding method thereof - Google Patents
System for adding chemicals to coal slime in flotation mode and chemical adding method thereof Download PDFInfo
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- CN111167615A CN111167615A CN202010114337.0A CN202010114337A CN111167615A CN 111167615 A CN111167615 A CN 111167615A CN 202010114337 A CN202010114337 A CN 202010114337A CN 111167615 A CN111167615 A CN 111167615A
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- Prior art keywords
- flotation
- dosing
- pump
- pipeline
- flotation machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
- B03D1/028—Control and monitoring of flotation processes; computer models therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/04—Frothers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
- B03D2203/08—Coal ores, fly ash or soot
Abstract
The invention relates to a system for coal slime flotation dosing and a dosing method thereof, the system comprises a flotation machine, a dosing system and a programmable controller, the dosing system is connected to the input end of the flotation machine through a pipeline, the programmable controller is electrically connected with the dosing system, the dosing system comprises a flotation agent storage and a dosing pump which are sequentially connected through a pipeline, one end of the flotation machine is connected with a raw coal belt scale through a pipeline, the programmable controller obtains the dosing amount required in the flotation machine through comprehensive analysis of mass data captured by the raw coal belt scale, and controls the opening degree of the dosing pump, and the system has the beneficial effects that: the raw coal quantity and the dosing quantity are accurately controlled, medicament waste and ash content fluctuation are avoided, automation is realized, the labor intensity is reduced, the damage of chemical medicaments to human bodies is avoided, the working environment is improved, the problem of yield loss is solved, and the production efficiency and the economic benefit are improved.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to a system for adding chemicals to coal slime in a flotation mode and a chemical adding method of the system.
Background
In the coal slime flotation production process, collecting agents and foaming agents are key agents produced by a flotation system and directly relate to product quality, the agent addition is originally designed to be manual control, at least 2 persons are required to be on site in one shift, the average moving distance of each shift is about 20KM, the labor intensity is high, the system can be stably adjusted within about 20 minutes when a vehicle is started or coal is changed, the lag time is long, the product quality is seriously influenced, the manual control dosage is difficult to be accurate, the agent waste is easy to cause, the product quality is directly influenced, the main components of the collecting agents and the foaming agents are oil and alcohol which are chemical agents, the production environment smells pungent, and the agents are volatilized and contacted for a long time to cause certain damage to the bodies of workers.
Disclosure of Invention
The invention aims to solve the technical problem of coal leakage generated in the sampling and observing process of the traditional centrifugal machine, and provides a system for adding chemicals to coal slime in a flotation mode and a chemical adding method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention discloses a system for adding chemicals to coal slime in a flotation mode, which comprises a flotation machine, and is further provided with a chemical adding system and a programmable controller, wherein the chemical adding system is connected to the input end of the flotation machine through a pipeline, and the programmable controller is in telecommunication connection with the chemical adding system.
The invention discloses a system for adding chemicals to coal slime in a flotation mode.
The invention discloses a system for adding chemicals to coal slime in a flotation mode.
The invention discloses a system for adding chemicals to coal slime through flotation.
The invention discloses a system for adding chemicals to coal slime in a flotation mode.
The invention discloses a system for adding chemicals to coal slime in a flotation mode.
The invention discloses an operation method of a system for coal slime flotation dosing, which comprises the following steps:
s1, weighing raw coal by a raw coal belt scale, transmitting the weight data of the raw coal to a programmable controller through an electric signal, carrying out comprehensive analysis by the programmable controller, transmitting the analysis data to a collecting agent dosing pump and a foaming agent dosing pump through the electric signal, and controlling the flow rates of the collecting agent dosing pump and the foaming agent dosing pump;
s2, detecting the liquid level in the flotation machine by a liquid level detector arranged on the inner wall of the flotation machine, transmitting the analysis data to a tailing gate by the liquid level detector through an electric signal when the liquid level in the flotation machine reaches the set height of the liquid level detector, controlling the tailing gate to descend and preventing raw coal from entering the flotation machine, transmitting the analysis data to the tailing gate again by the liquid level detector through the electric signal when the liquid level in the flotation machine is lower than the set height, and controlling the tailing gate to ascend and enabling the raw coal to enter the flotation machine.
The technical scheme disclosed by the invention is adopted, a tailing gate is arranged between a raw coal belt weigher and a flotation machine, the flotation machine is respectively connected with a collecting agent dosing pump and a foaming agent dosing pump through pipelines, the collecting agent dosing pump and the foaming agent dosing pump are respectively connected with a collecting agent flotation agent storage device and a foaming agent flotation agent storage device through pipelines, a programmable controller is respectively connected with the collecting agent dosing pump, the foaming agent dosing pump and the raw coal belt weigher through electric signals, a liquid level height detector arranged on the inner wall of the flotation machine is used for detecting the height of the liquid level in the flotation machine, when the liquid level is higher than a set height, the tailing gate is controlled to fall, when the liquid level is lower than the set height, the tailing gate is controlled to fall, the programmable controller comprehensively analyzes the amount of the collecting agent and the foaming agent required to be added in the flotation machine through the quality data captured by the raw coal belt weigher, the raw coal quantity and the chemical adding quantity are accurately controlled, the chemical adding precision is improved, the coal slime flotation chemical adding system is maintained in a stable state, the labor intensity of workers is reduced, the production process is automated, the damage of a collecting agent and a foaming agent to a human body is avoided, the yield loss caused by flotation material leakage due to untimely oiling in the starting stage is solved, meanwhile, the waste of chemicals caused by oil stopping lag during parking is avoided, the untimely adjustment of the chemicals in the coal type changing process is reduced, the waste of the collecting agent and the foaming agent is avoided, the working environment of a production site is improved due to the waste of the chemicals and ash fluctuation, and the production efficiency and the economic benefit of the coal slime flotation chemical adding system are improved.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic structural diagram of a system for adding chemicals in coal slime flotation.
In the figure: 1. a flotation machine; 2. a raw coal belt scale; 3. a tailing gate; 4. a collector reservoir; 5. a foamer reservoir; 6. a collector dosing pump; 7. a foaming agent dosing pump; 8. a programmable controller; 9. liquid level height detector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
FIG. 1 is a schematic structural diagram of a system for adding chemicals for coal slime flotation according to the present invention, as shown in the figure:
the utility model provides a system for coal slime flotation adds medicine, includes flotation device 1, and the system still is provided with medicine system and programmable controller 8, and medicine system passes through the input of pipe connection to flotation device 1, and programmable controller 8 passes through electric signal connection to medicine system.
The dosing system comprises a dosing pump and a flotation agent storage device, and the output end of the flotation agent storage device is connected with the input end of the dosing pump through a pipeline.
The flotation agent accumulator comprises a collecting agent accumulator 4 and a foaming agent accumulator 5, the chemical adding pump comprises a collecting agent chemical adding pump 6 and a foaming agent chemical adding pump 7, the input end of the collecting agent chemical adding pump 6 is connected with the output end pipeline of the collecting agent accumulator 4, the input end of the foaming agent chemical adding pump 7 is connected with the output end pipeline of the foaming agent accumulator 5, and the output ends of the collecting agent chemical adding pump 6 and the foaming agent chemical adding pump 7 are respectively connected with the input end pipeline of the flotation machine 1.
The input end of the flotation machine 1 is also provided with a pipeline, the other end of the pipeline is connected with a raw coal belt scale 2, and the middle part of the pipeline is provided with a tail coal gate 3.
The input end of the programmable controller 8 is connected to the raw coal belt weigher 2 through an electric signal, and the output end of the programmable controller is respectively connected to the collecting agent dosing pump 6 and the foaming agent dosing pump 7 through electric signals.
A liquid level detector 9 is arranged on the inner side wall of the flotation machine 1, and the liquid level detector 9 is connected with the tailing gate 3 through an electric signal to control the lifting of the tailing gate 3.
The raw coal belt weigher 2 is used for weighing raw coal, the weight data of the raw coal are transmitted to the programmable controller 8 through electric signals, the programmable controller 8 is used for carrying out comprehensive analysis, the analysis data are transmitted to the collecting agent dosing pump 6 and the foaming agent dosing pump 7 through the electric signals, and the flow rates of the collecting agent dosing pump 6 and the foaming agent dosing pump 7 are controlled;
the liquid level detector 9 arranged on the inner wall of the flotation machine 1 detects the liquid level in the flotation machine 1, when the liquid level in the flotation machine 1 reaches the set height of the liquid level detector 9, the liquid level detector 9 transmits the analysis data to the tailing gate 3 through an electric signal, the tailing gate 3 is controlled to descend, raw coal is prevented from entering the flotation machine 1, when the liquid level in the flotation machine 1 is lower than the set height, the liquid level detector 9 transmits the analysis data to the tailing gate 3 through an electric signal again, the rising of the tailing gate 3 is controlled, and the raw coal enters the flotation machine 1.
The technical scheme disclosed by the invention is that a tailing gate 3 is arranged between a raw coal belt weigher 2 and a flotation machine 1, the flotation machine 1 is respectively connected with a collecting agent dosing pump 6 and a foaming agent dosing pump 7 through pipelines, the collecting agent dosing pump 6 and the foaming agent dosing pump 7 are respectively connected with a collecting agent storage 4 and a foaming agent flotation agent storage 5 through pipelines, a programmable controller 8 is respectively connected with the collecting agent dosing pump 6, the foaming agent dosing pump 7 and the raw coal belt weigher 2 through electric signals, the height of the liquid level in the flotation machine 1 is detected through a liquid level detector 9 arranged on the inner wall of the flotation machine 1, when the liquid level is higher than the set height, the tailing gate is controlled to be lowered 3, when the liquid level is lower than the set height, the tailing gate 3 is controlled to be lowered, the programmable controller 8 comprehensively analyzes the amount of the collecting agent and the foaming agent required to be added in the flotation machine 1 through the quality data captured by the raw coal belt weigher 2, the raw coal quantity and the chemical adding quantity are accurately controlled, the chemical adding precision is improved, the coal slime flotation chemical adding system is maintained in a stable state, the labor intensity of workers is reduced, the production process is automated, the damage of a collecting agent and a foaming agent to a human body is avoided, the yield loss caused by flotation material leakage due to untimely oiling in the starting stage is solved, meanwhile, the waste of chemicals caused by oil stopping lag during parking is avoided, the untimely adjustment of the chemicals in the coal type changing process is reduced, the waste of the collecting agent and the foaming agent is avoided, the working environment of a production site is improved due to the waste of the chemicals and ash fluctuation, and the production efficiency and the economic benefit of the coal slime flotation chemical adding system are improved.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (7)
1. The utility model provides a system for be used for coal slime flotation to add medicine, includes the flotation device, its characterized in that: the system is also provided with a dosing system and a programmable controller, the dosing system is connected to the input end of the flotation machine through a pipeline, and the programmable controller is electrically connected with the dosing system.
2. The system for coal slime flotation dosing according to claim 1, characterized in that: the chemical feeding system comprises a chemical feeding pump and a flotation agent storage device, and the output end of the flotation agent storage device is connected with the input end of the chemical feeding pump through a pipeline.
3. The system for coal slime flotation dosing according to claim 2, characterized in that: the flotation agent accumulator comprises a collector accumulator and a foaming agent accumulator, the chemical adding pump comprises a collector chemical adding pump and a foaming agent chemical adding pump, the input end of the collector chemical adding pump is connected with the output end pipeline of the collector accumulator, the input end of the foaming agent chemical adding pump is connected with the output end pipeline of the foaming agent accumulator, and the output ends of the collector chemical adding pump and the foaming agent chemical adding pump are respectively connected with the input end pipeline of the flotation machine.
4. The system for coal slime flotation dosing according to claim 1, characterized in that: the input end of the flotation machine is also provided with a pipeline, the other end of the pipeline is connected with a raw coal belt scale, and the middle part of the pipeline is provided with a tail coal gate.
5. The system for coal slime flotation dosing according to claim 4, characterized in that: the input end of the programmable controller is connected to the raw coal belt scale through an electric signal, and the output end of the programmable controller is respectively connected to the collecting agent dosing pump and the foaming agent dosing pump through an electric signal.
6. The system for coal slime flotation dosing according to claim 1, characterized in that: and a liquid level height detector is arranged on the inner side wall of the flotation machine and is connected with the tailing gate through an electric signal to control the lifting of the tailing gate.
7. The chemical dosing method for the coal slime flotation chemical dosing system according to any one of claims 1 to 6, characterized by comprising the following steps:
s1, weighing raw coal by a raw coal belt scale, transmitting the weight data of the raw coal to a programmable controller through an electric signal, carrying out comprehensive analysis by the programmable controller, transmitting the analysis data to a collecting agent dosing pump and a foaming agent dosing pump through the electric signal, and controlling the flow rates of the collecting agent dosing pump and the foaming agent dosing pump;
s2, detecting the liquid level in the flotation machine by a liquid level detector arranged on the inner wall of the flotation machine, transmitting the analysis data to a tailing gate by the liquid level detector through an electric signal when the liquid level in the flotation machine reaches the set height of the liquid level detector, controlling the tailing gate to descend and preventing raw coal from entering the flotation machine, transmitting the analysis data to the tailing gate again by the liquid level detector through the electric signal when the liquid level in the flotation machine is lower than the set height, and controlling the tailing gate to ascend and enabling the raw coal to enter the flotation machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010114337.0A CN111167615A (en) | 2020-02-25 | 2020-02-25 | System for adding chemicals to coal slime in flotation mode and chemical adding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010114337.0A CN111167615A (en) | 2020-02-25 | 2020-02-25 | System for adding chemicals to coal slime in flotation mode and chemical adding method thereof |
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| CN111167615A true CN111167615A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010114337.0A Pending CN111167615A (en) | 2020-02-25 | 2020-02-25 | System for adding chemicals to coal slime in flotation mode and chemical adding method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453141A (en) * | 2022-01-17 | 2022-05-10 | 淮北矿业股份有限公司 | Flotation agent for washing coking coal and preparation method thereof |
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| CN114453141B (en) * | 2022-01-17 | 2024-02-02 | 淮北矿业股份有限公司 | Flotation agent for washing coking coal and preparation method thereof |
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