CN113926595A - Flotation machine for ore dressing - Google Patents
Flotation machine for ore dressing Download PDFInfo
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- CN113926595A CN113926595A CN202111117721.7A CN202111117721A CN113926595A CN 113926595 A CN113926595 A CN 113926595A CN 202111117721 A CN202111117721 A CN 202111117721A CN 113926595 A CN113926595 A CN 113926595A
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- valve
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- flotation
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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
- B03D1/16—Flotation machines with impellers; Subaeration 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
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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
-
- 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
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1456—Feed mechanisms for the slurry
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The invention relates to a flotation machine for mineral separation, and belongs to the technical field of smelting slag flotation in metallurgy. The device comprises a tank body and a main shaft which extends into the tank body and is driven by a motor, wherein an impeller is arranged at the lower end of the main shaft; a central cylinder communicated with the air suction pipe is sleeved outside the main shaft, and a pulp inlet pipe with a pulp inlet penetrating into the central cylinder is arranged at one side of the groove body; the slurry inlet pipe is provided with a valve I with adjustable opening, and the air suction pipe is provided with a valve II with adjustable opening. The valves are additionally arranged on the pulp inlet pipe and the air suction pipe and are used for adjusting the pulp inlet amount and the air inflow, the opening of the valve is adjusted according to the pulp amount in the tank, so that the pulp amount and the air inflow in the tank are uniform, the pulp liquid level height in the tank is kept balanced, the pulp inlet amount of each operation tank in the flotation process is stable, the air inflow is constant, the pulp amount in the tank and the liquid level height in the suction tank are relatively stable, and the balance of the pulp amount, the flotation liquid level and the foam scraping amount of each tank in the whole flotation series are ensured.
Description
Technical Field
The invention belongs to the technical field of smelting slag flotation in metallurgy, and particularly relates to a flotation machine for mineral separation.
Background
Along with the exploitation and smelting of primary ores, high-grade primary ores are less and less, and high-impurity-poor ores are difficult to exploit, high in cost and difficult to smelt, so that copper ore resources increasingly become bottlenecks restricting the development of enterprises. After the high-grade ore is smelted, part of valuable metals such as copper, iron, lead, zinc, gold, silver and the like and most of gangue components in the ore are enriched into smelting furnace slag, the smelting furnace slag has slightly different components and contents according to different smelting processes, but still contains a large amount of valuable metals with recovery value compared with the original ore, and belongs to typical artificial ore.
According to the different affinity of different components in the mineral raw materials to water, the metal components float upwards along with the foam under the action of a flotation reagent to finally form concentrate, and the gangue components become tailings, so that the purpose of separation is achieved. The appearance of the froth flotation process realizes the secondary sorting of the smelting slag, effectively recycles valuable metals such as copper, iron, gold, silver and the like in the metallurgical waste slag, and relieves the pressure of mining mineral resources in China.
The flotation machine is one of the main equipments of froth flotation, and during the whole flotation process, the flotation machine is often used in series in the flotation process, each series of flotation is composed of a first tank (pulp suction tank) and a subsequent free-flowing tank, and the suction tank is generally connected with the front operation by a pipeline. However, in the flotation process, due to the instability of the flotation production process, the situation that the ore pulp flow in the pipeline is suddenly reduced often occurs, air can be greatly gushed from the opening of the pipeline at the moment, so that negative pressure occurs in the suction groove, the liquid level of the ore pulp in the suction groove is greatly improved in a short time, the subsequent gravity flow groove is not provided with enough ore pulp, and various economic and technical indexes of flotation are seriously influenced.
Based on the reasons, a method is needed to be researched, the flow of the ore pulp at the pulp inlet of the existing suction groove is regulated, the amount of the ore pulp entering the suction groove and the height of the liquid level in the suction groove can be scientifically regulated, the relative stability of the amount of the ore pulp entering the suction groove and the height of the liquid level of the liquid suction groove can be realized by controlling the air inflow of the suction groove, the equalization of the ore pulp amount of each groove of the whole flotation series, the level of the flotation liquid level, the sufficient foam scraping amount and the stable production index are ensured, and the negative pressure of the suction groove of the flotation machine is prevented.
Disclosure of Invention
In order to solve the problems, the invention provides a flotation machine for mineral separation. The problems that negative pressure occurs in the suction groove due to abnormal fluctuation of ore pulp in the conventional suction groove, the liquid level of the ore pulp in the suction groove is greatly improved in a short time, the ore pulp supply of a subsequent gravity flow groove is insufficient, the foam scraping amount is unstable, the production stability is poor, the site index is not good and the like are effectively solved.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
a flotation machine for mineral separation comprises a tank body and a main shaft which vertically extends into the tank body and is driven by a motor, wherein the main shaft is arranged in a bearing protective sleeve through a bearing group, and an impeller is arranged at the lower end of the main shaft; a central cylinder communicated with the air suction pipe is sleeved outside the main shaft, and a pulp inlet pipe with a pulp inlet penetrating into the central cylinder is arranged at one side of the groove body; the slurry inlet pipe is provided with a valve I with adjustable opening, and the air suction pipe is provided with a valve II with adjustable opening.
Preferably, the valve I adopts an electric gate valve.
Preferably, the valve II is an electric ball valve.
Preferably, cell body top be equipped with the ultrasonic sensor who is used for detecting the internal ore pulp liquid level of cell, ultrasonic sensor is connected with PLC signal input part, ultrasonic sensor signal output part respectively with I, II electric connection of valve.
The invention has the beneficial effects that:
the invention is provided with the valve I and the valve II on the pulp inlet pipe and the air suction pipe for adjusting the pulp inlet amount and the air inlet amount, the opening of the valve I and the valve II is adjusted according to the ore pulp amount in the tank, so that the ore pulp amount and the air input amount in the tank are uniform, the height balance of the ore pulp liquid level in the tank is kept, the ore pulp amount in each operation tank in the flotation process is stable, the air input amount is constant, the ore pulp amount in the tank and the liquid level in the suction tank are relatively stable, the ore pulp amount in each tank in the whole flotation series is balanced, the flotation liquid level and the foam scraping amount are sufficient, the control and the improvement of the economic and technical indexes of flotation are facilitated, the problems that the suction tank generates negative pressure due to the abnormal fluctuation of the existing suction tank ore pulp, the ore pulp liquid level in the suction tank is greatly improved in a short time, the ore pulp supply in the subsequent gravity flow tank is insufficient, the foam scraping amount is unstable, the production stability is poor, the site indexes are poor and the like are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a control block diagram of the present invention;
in the figure 1-2, 1-groove body, 2-main shaft, 3-protective sleeve, 4-impeller, 5-central cylinder, 6-slurry inlet pipe, 7-valve I, 8-valve II, 9-PLC, 10-air suction pipe and 11-ultrasonic sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in fig. 1-2, a flotation machine for mineral separation comprises a tank body 1 and a main shaft 2 vertically extending into the tank body 1 and driven by a motor, wherein the main shaft 2 is installed in a bearing protective sleeve 3 through a bearing set, and an impeller 4 is arranged at the lower end of the main shaft 2; the main shaft 2 is sleeved with a central cylinder 5 communicated with an air suction pipe 10, one side of the tank body 1 is provided with a pulp inlet pipe 6 of which the pulp inlet penetrates into the central cylinder 5, when the tank works, a motor drives an impeller 4 to rotate, centrifugal action is generated in the tank body 1 to form negative pressure, on one hand, sufficient air is sucked from the air suction pipe 10 to be mixed with ore pulp entering the central cylinder 5 from the pulp inlet, on the other hand, the impeller 4 stirs the ore pulp to be mixed with medicines, and simultaneously, foam is refined, so that the mineral is bonded on the foam and floats to the surface of the ore pulp to form mineralized foam.
The slurry inlet pipe 6 is provided with a valve I7 with adjustable opening degree, and the valve I7 is used for adjusting the slurry inlet amount of a suction tank of the flotation machine; when the liquid level of ore pulp in the flotation machine is higher than a set value, the opening degree of the valve I7 is reduced, and the pulp inlet amount of the flotation machine is reduced, so that the liquid level of a suction groove of the flotation machine is reduced; when the liquid level of ore pulp in the flotation machine is lower than a set value, the opening of the valve I7 is increased, the pulp inlet amount of the flotation machine is increased, and therefore the liquid level of a suction groove of the flotation machine is increased. The air suction pipe 10 is provided with a valve II 8 with adjustable opening degree, which is used for adjusting the air inflow of a suction groove of the flotation machine, the opening degree of the valve II 8 of the air suction pipe 10 is adjusted according to the height of the liquid level of ore pulp in the groove, when the liquid level of the suction groove is higher, the valve can be properly opened, the air inflow is increased, and the negative pressure is avoided; when the liquid level of the suction groove is lower, the valve can be properly reduced, the air inflow is reduced, and the negative pressure is avoided. The valve I7 and the valve II 8 are additionally arranged on the pulp inlet pipe 6 and the air suction pipe 10 and are used for adjusting the entering amount and the air input amount of ore pulp, the opening of the valve I7 and the valve II 8 is adjusted according to the amount of the ore pulp in the tank, the amount of the ore pulp entering the tank and the air input amount are uniform, the height balance of the liquid level of the ore pulp in the tank body 1 is kept, the pulp entering amount of each operation tank in the flotation process is stable, the air input amount is constant, the relative stability of the amount of the ore pulp entering the tank body 1 and the height of the liquid level in the suction tank body 1 is ensured, the balance of the ore pulp amount of each tank in the whole flotation series, the level of the flotation liquid level and the sufficient foam scraping amount are ensured, the control and the improvement of the flotation economic and technical indexes are facilitated, the negative pressure of the suction tank caused by the abnormal fluctuation of the ore pulp in the existing suction tank is effectively solved, the liquid level of the suction tank is greatly improved in a short time, the insufficient ore pulp supply of the subsequent self-flow tank, the foam scraping amount is unstable, and the production stability is poor, poor field index and the like.
Preferably, the valve II 8 adopts an electric ball valve, and the opening of the valve II 8 is more convenient to adjust and more accurate.
As the preferred, valve I7 adopt electronic slide valve, I7 openness of valve is adjusted more conveniently, the aperture is more accurate.
Preferably, the upper part of the tank body 1 is provided with an ultrasonic sensor 11 for detecting the pulp liquid level in the tank body 1, the ultrasonic sensor 11 is connected with a signal input end of a PLC9, a signal output end of the ultrasonic sensor 11 is respectively connected with a valve I7 and a valve II 8, when the tank body works, the ultrasonic sensor 11 detects the pulp liquid level in the tank body 1 in real time and transmits the pulp liquid level to the PLC9, the PLC9 coordinates the large opening size of the valve I7 and the valve II 8 according to the pulp liquid level in the tank body 1, so that the pulp entering amount and the air inflow amount in the tank body 1 are adjusted, the pulp liquid level in the tank body 1 is kept balanced, the pulp amount in each tank of the whole flotation series is guaranteed to be balanced, the flotation liquid level is kept, and the foam scraping amount is sufficient.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, while the invention has been described in detail with reference to the foregoing preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims; the size of the attached figure is irrelevant to the specific real object, and the size of the real object can be changed at will.
Claims (4)
1. A flotation machine for mineral separation comprises a tank body (1) and a main shaft (2) vertically extending into the tank body (1) and driven by a motor, wherein the main shaft (2) is installed in a bearing protective sleeve (3) through a bearing set, and an impeller (4) is arranged at the lower end of the main shaft (2); the main shaft (2) is sleeved with a central cylinder (5) communicated with the air suction pipe (10), one side of the groove body (1) is provided with a pulp inlet pipe (6) of which the pulp inlet penetrates through the central cylinder (5), and the central cylinder is characterized in that: the slurry inlet pipe (6) is provided with a valve I (7) with adjustable opening, and the air suction pipe (10) is provided with a valve II (8) with adjustable opening.
2. A flotation machine for mineral processing according to claim 1, characterized in that: the valve I (7) adopts an electric gate valve.
3. A flotation machine for mineral processing according to claim 2, characterized in that: and the valve II (8) adopts an electric ball valve.
4. A flotation machine for mineral processing according to claim 3, characterized in that: cell body (1) top be equipped with ultrasonic sensor (11) that are used for detecting the ore pulp liquid level in cell body (1), ultrasonic sensor (11) are connected with PLC (9) signal input part, ultrasonic sensor (11) signal output part respectively with valve I (7), valve II (8) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117721.7A CN113926595A (en) | 2021-09-24 | 2021-09-24 | Flotation machine for ore dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117721.7A CN113926595A (en) | 2021-09-24 | 2021-09-24 | Flotation machine for ore dressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113926595A true CN113926595A (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111117721.7A Pending CN113926595A (en) | 2021-09-24 | 2021-09-24 | Flotation machine for ore dressing |
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| Country | Link |
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| CN (1) | CN113926595A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632631A (en) * | 2022-03-21 | 2022-06-17 | 北矿机电科技有限责任公司 | Ore feeding system and large-scale inflation self-suction slurry flotation machine |
Citations (8)
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|---|---|---|---|---|
| CN102151617A (en) * | 2010-12-28 | 2011-08-17 | 中平能化集团天工机械制造有限公司 | Pneumatic flotation machine with mechanical stirring |
| CN104984833A (en) * | 2015-06-30 | 2015-10-21 | 广西华锡集团股份有限公司车河选矿厂 | Flotation machine |
| CN205887192U (en) * | 2016-06-30 | 2017-01-18 | 广东广业云硫矿业有限公司 | Floatation device |
| CN206304909U (en) * | 2016-12-09 | 2017-07-07 | 于婧超 | A kind of flotation device |
| CN109794360A (en) * | 2019-03-29 | 2019-05-24 | 陕西科技大学 | A kind of four trough floatation machine of scraper-type and its beneficiation method |
| CN110124875A (en) * | 2019-06-19 | 2019-08-16 | 烟台东方冶金设计研究院有限公司 | A kind of fluorite and Pb-Zn deposits Special Flotation |
| CN210294865U (en) * | 2019-06-24 | 2020-04-10 | 山东工大中能科技有限公司 | Control device for guaranteeing automatic air supply of flotation tank |
| CN213825359U (en) * | 2020-12-10 | 2021-07-30 | 沂水恒德矿业有限公司 | Flotation machine capable of detecting pulp liquid level on line and automatically controlling pulp liquid level |
-
2021
- 2021-09-24 CN CN202111117721.7A patent/CN113926595A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151617A (en) * | 2010-12-28 | 2011-08-17 | 中平能化集团天工机械制造有限公司 | Pneumatic flotation machine with mechanical stirring |
| CN104984833A (en) * | 2015-06-30 | 2015-10-21 | 广西华锡集团股份有限公司车河选矿厂 | Flotation machine |
| CN205887192U (en) * | 2016-06-30 | 2017-01-18 | 广东广业云硫矿业有限公司 | Floatation device |
| CN206304909U (en) * | 2016-12-09 | 2017-07-07 | 于婧超 | A kind of flotation device |
| CN109794360A (en) * | 2019-03-29 | 2019-05-24 | 陕西科技大学 | A kind of four trough floatation machine of scraper-type and its beneficiation method |
| CN110124875A (en) * | 2019-06-19 | 2019-08-16 | 烟台东方冶金设计研究院有限公司 | A kind of fluorite and Pb-Zn deposits Special Flotation |
| CN210294865U (en) * | 2019-06-24 | 2020-04-10 | 山东工大中能科技有限公司 | Control device for guaranteeing automatic air supply of flotation tank |
| CN213825359U (en) * | 2020-12-10 | 2021-07-30 | 沂水恒德矿业有限公司 | Flotation machine capable of detecting pulp liquid level on line and automatically controlling pulp liquid level |
Non-Patent Citations (1)
| Title |
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| 邓海波，高志勇: "《矿物加工过程检测与控制技术》", 31 January 2017, 冶金工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632631A (en) * | 2022-03-21 | 2022-06-17 | 北矿机电科技有限责任公司 | Ore feeding system and large-scale inflation self-suction slurry flotation machine |
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Application publication date: 20220114 |
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| RJ01 | Rejection of invention patent application after publication |