CN213825359U - Flotation machine capable of detecting pulp liquid level on line and automatically controlling pulp liquid level - Google Patents
Flotation machine capable of detecting pulp liquid level on line and automatically controlling pulp liquid level Download PDFInfo
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- CN213825359U CN213825359U CN202022936870.3U CN202022936870U CN213825359U CN 213825359 U CN213825359 U CN 213825359U CN 202022936870 U CN202022936870 U CN 202022936870U CN 213825359 U CN213825359 U CN 213825359U
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- 239000007788 liquid Substances 0.000 title claims abstract description 103
- 238000005188 flotation Methods 0.000 title claims abstract description 63
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 239000006260 foam Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 239000002562 thickening agent Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000002002 slurry Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a flotation machine capable of detecting and automatically controlling the liquid level of ore pulp on line, which comprises a flotation cylinder, an electric stirrer arranged at the inner side of the flotation cylinder and a feed inlet arranged at the top of the flotation cylinder; the bottom of the flotation cylinder is connected with a tailing discharge port through a valve body; an inflation pipe is further arranged on the inner side of the flotation cylinder; a first flange is arranged at the lower part of the flotation cylinder, and a second flange is arranged at the upper part of the flotation cylinder; the top of the liquid return pipe is provided with a liquid return flange; the first flange is connected with a liquid level detection pipe section through a first defoaming filter screen; the second flange is connected to the cross joint through a second defoaming filter screen; the lower end of the four-way joint is connected with the liquid level detection pipe section through a flange; the utility model discloses a but flotation device of on-line measuring and automatic control ore pulp liquid level can realize the high accuracy and detect the ore pulp liquid level, can reduce the foam and produce big error to the testing result, and it adopts and lasts on-line measuring and emergency detection to realize the closed loop with ore pulp liquid level control.
Description
Technical Field
The utility model relates to a flotation device, concretely relates to but flotation device of on-line measuring and automatic control ore pulp liquid level belongs to flotation device technical field.
Background
The flotation machine is a short name of a flotation concentrator and refers to mechanical equipment for completing a flotation process; in the flotation machine, the ore pulp treated by adding the medicament is stirred and aerated to ensure that certain ore particles are selectively fixed on the bubbles; floating to the surface of the ore pulp and being scraped to form a foam product, and the rest part is kept in the ore pulp so as to achieve the purpose of separating minerals; the height of the flotation liquid level of the existing flotation machine determines the height of a flotation froth layer, and the height of the flotation froth layer determines the flotation effect, so that the flotation liquid level control is extremely important, and the liquid level detection of the existing flotation machine is easily interfered by froth and the like, so that the detection result and the actual liquid level generate large errors.
Disclosure of Invention
In order to solve the problem, the utility model provides a but flotation device of on-line measuring and automatic control ore pulp liquid level can realize the high accuracy and detect the ore pulp liquid level, can reduce the foam and produce big error to the testing result.
The utility model discloses a flotation machine capable of detecting and automatically controlling the liquid level of ore pulp on line, which comprises a flotation cylinder, an electric stirrer arranged at the inner side of the flotation cylinder, and a feed inlet arranged at the top of the flotation cylinder; the bottom of the flotation cylinder is connected with a tailing discharge port through a valve body; an inflation pipe is further arranged on the inner side of the flotation cylinder; slurry to be floated is pumped into the flotation cylinder through the feeding hole, and then mechanical stirring and pneumatic stirring are carried out through an electric stirrer and an inflation tube, so that ore particles are selectively fixed on bubbles; the tailings floating to the surface of the ore pulp are scraped to form foam products, and the tailings after flotation are discharged through a tailing discharge port; when the liquid level of the flotation machine is detected on line, the detection is divided into continuous on-line detection and emergency on-line detection, when the detection is carried out on line continuously, slurry is filtered and foam is defoamed through a first flange and a first defoaming filter screen, so that low-turbidity liquid enters a liquid level detection pipe section, the liquid level is detected through an ultrasonic liquid level detector, the liquid level is transmitted to a single chip microcomputer minimum system after being subjected to digital conversion through a transmitter carried by the liquid level detector, or a 4-20 mA signal is directly output and transmitted to an AD end of the single chip microcomputer minimum system, when the liquid level is lower than a certain threshold value, a driver signal of a feeding valve is given by the liquid level detector, the opening of the feeding valve is increased until the liquid level is in a fully-open mode, when the liquid level exceeds the certain threshold value, the driver signal of the feeding valve is given by the liquid level detector, the opening of the feeding valve is reduced until the liquid level is in a fully-closed mode, when the detection is carried out on line emergently, the slurry enters a four-way through a second flange and a second defoaming filter screen and the four-way after the slurry enters the four-way, the liquid level tight motion detector sends a minimum system signal to the singlechip so as to directly close the feed valve; the concrete structure is as follows: a first flange is arranged at the lower part of the flotation cylinder, and a second flange is arranged at the upper part of the flotation cylinder; the top of the liquid return pipe is provided with a liquid return flange; the first flange is connected with a liquid level detection pipe section through a first defoaming filter screen; the second flange is connected to the cross joint through a second defoaming filter screen; the lower end of the four-way joint is connected with the liquid level detection pipe section through a flange; the top of the four-way joint is connected with a three-way joint through a flange; the rest port of the four-way valve is connected to a liquid level tight motion detector; the top of the tee joint is provided with an ultrasonic liquid level detector through a flange; the third end of the tee joint is connected to the liquid return flange through a pipeline; the feed inlet is connected with a feed pipe; a feed valve is arranged on the feed pipe; the liquid level tight motion detector and the ultrasonic liquid level detector are electrically connected to a single chip microcomputer minimum system, and the single chip microcomputer minimum system is electrically connected with a driver of the feed valve.
Further, the liquid level tightness detector comprises a first detection cylinder with a flange structure at one end and a sealing plate structure at the other end; an electrode type liquid level switch is arranged on the inner side of the first detection cylinder, and after the electrode type liquid level switch is triggered by the slurry, a switch signal is directly sent to a minimum system of the single chip microcomputer.
Furthermore, the ultrasonic liquid level detector comprises a second detection cylinder with a flange structure at one end and a sealing plate structure at the other end; and an ultrasonic liquid level transmitter is arranged on the inner side of the second detection cylinder, liquid level detection is carried out through the ultrasonic liquid level transmitter, and liquid level data are sent to the minimum system of the single chip microcomputer.
Furthermore, a transition hopper communicated with a thickener is arranged at the foam position at the top of the flotation cylinder.
The utility model is compared with the prior art, the utility model discloses a but flotation device of on-line measuring and automatic control ore pulp liquid level can realize the high accuracy and detect the ore pulp liquid level, can reduce the foam and produce big error to the testing result, and it adopts and lasts on-line measuring and emergency detection to realize the closed loop with ore pulp liquid level control.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic view of the local enlarged structure in fig. 1A of the present invention.
Detailed Description
Example 1:
the flotation machine capable of detecting and automatically controlling the pulp liquid level on line as shown in fig. 1 and fig. 2 comprises a flotation cylinder 1, an electric stirrer 2 arranged inside the flotation cylinder, and a feeding port 3 arranged at the top of the flotation cylinder; the bottom of the flotation cylinder 1 is connected with a tailing discharge port 5 through a valve body 4; an inflation pipe 6 is also arranged at the inner side of the flotation cylinder 1; slurry to be floated is pumped into the flotation cylinder through the feeding hole, and then mechanical stirring and pneumatic stirring are carried out through an electric stirrer and an inflation tube, so that ore particles are selectively fixed on bubbles; the tailings floating to the surface of the ore pulp are scraped to form foam products, and the tailings after flotation are discharged through a tailing discharge port; when the liquid level of the flotation machine is detected on line, the detection is divided into continuous on-line detection and emergency on-line detection, when the detection is carried out on line continuously, slurry is filtered and foam is defoamed through a first flange and a first defoaming filter screen, so that low-turbidity liquid enters a liquid level detection pipe section, the liquid level is detected through an ultrasonic liquid level detector, the liquid level is transmitted to a single chip microcomputer minimum system after being subjected to digital conversion through a transmitter carried by the liquid level detector, or a 4-20 mA signal is directly output and transmitted to an AD end of the single chip microcomputer minimum system, when the liquid level is lower than a certain threshold value, a driver signal of a feeding valve is given by the liquid level detector, the opening of the feeding valve is increased until the liquid level is in a fully-open mode, when the liquid level exceeds the certain threshold value, the driver signal of the feeding valve is given by the liquid level detector, the opening of the feeding valve is reduced until the liquid level is in a fully-closed mode, when the detection is carried out on line emergently, the slurry enters a four-way through a second flange and a second defoaming filter screen and the four-way after the slurry enters the four-way, the liquid level tight motion detector sends a minimum system signal to the singlechip so as to directly close the feed valve; the concrete structure is as follows: a first flange 7 is arranged at the lower part of the flotation cylinder 1, and a second flange 8 is arranged at the upper part of the flotation cylinder; the top of the liquid return pipe is provided with a liquid return flange 9; the first flange 8 is connected with a liquid level detection pipe section 11 through a first defoaming filter screen 10; the second flange 8 is connected to a cross joint 13 through a second defoaming filter screen 12; the lower end of the cross joint 13 is connected with the liquid level detection pipe section 11 through a flange; the top of the four-way joint 13 is connected with a tee joint 14 through a flange; the rest port of the four-way joint 13 is connected to a liquid level tightening detector 15; the top of the tee joint 14 is provided with an ultrasonic liquid level detector 16 through a flange; the third end of the tee joint 13 is connected to the liquid return flange 9 through a pipeline; the feed inlet 3 is connected with a feed pipe 17; a feed valve 18 is arranged on the feed pipe 17; the liquid level tight motion detector 15 and the ultrasonic liquid level detector 16 are electrically connected to a single chip microcomputer minimum system which is electrically connected with a driver of the feed valve 18.
The liquid level tight motion detector 15 includes a first detection cylinder 151 having a flange structure at one end and a sealing plate structure at the other end; an electrode type liquid level switch 152 is arranged on the inner side of the first detection cylinder 151, and after the electrode type liquid level switch is triggered by slurry, a switching signal is directly sent to a minimum system of the single chip microcomputer. The ultrasonic liquid level detector 16 comprises a second detection cylinder 161 with a flange structure at one end and a sealing plate structure at the other end; the second detects a section of thick bamboo 161 inboard and is provided with ultrasonic wave liquid level transmitter 162, carries out liquid level detection through ultrasonic wave liquid level transmitter to send liquid level data to the minimum system of singlechip. A transition hopper 19 communicated with a thickener is arranged at the foam position at the top of the flotation cylinder 1.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (4)
1. A flotation machine capable of detecting and automatically controlling the liquid level of ore pulp on line comprises a flotation barrel, an electric stirrer arranged at the inner side of the flotation barrel and a feeding hole arranged at the top of the flotation barrel; the bottom of the flotation cylinder is connected with a tailing discharge port through a valve body; an inflation pipe is further arranged on the inner side of the flotation cylinder; the method is characterized in that: a first flange is arranged at the lower part of the flotation cylinder, and a second flange is arranged at the upper part of the flotation cylinder; the top of the liquid return pipe is provided with a liquid return flange; the first flange is connected with a liquid level detection pipe section through a first defoaming filter screen; the second flange is connected to the cross joint through a second defoaming filter screen; the lower end of the four-way joint is connected with the liquid level detection pipe section through a flange; the top of the four-way joint is connected with a three-way joint through a flange; the rest port of the four-way valve is connected to a liquid level tight motion detector; the top of the tee joint is provided with an ultrasonic liquid level detector through a flange; the third end of the tee joint is connected to the liquid return flange through a pipeline; the feed inlet is connected with a feed pipe; a feed valve is arranged on the feed pipe; the liquid level tight motion detector and the ultrasonic liquid level detector are electrically connected to a single chip microcomputer minimum system, and the single chip microcomputer minimum system is electrically connected with a driver of the feed valve.
2. The flotation machine capable of detecting and automatically controlling the pulp liquid level on line according to claim 1, wherein: the liquid level tight-moving detector comprises a first detection cylinder with a flange structure at one end and a sealing plate structure at the other end; an electrode type liquid level switch is arranged on the inner side of the first detection cylinder.
3. The flotation machine capable of detecting and automatically controlling the pulp liquid level on line according to claim 1, wherein: the ultrasonic liquid level detector comprises a second detection cylinder with a flange structure at one end and a sealing plate structure at the other end; and an ultrasonic liquid level transmitter is arranged on the inner side of the second detection cylinder.
4. The flotation machine capable of detecting and automatically controlling the pulp liquid level on line according to claim 1, wherein: and a transition hopper communicated with a thickener is arranged at the foam position at the top of the flotation cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022936870.3U CN213825359U (en) | 2020-12-10 | 2020-12-10 | Flotation machine capable of detecting pulp liquid level on line and automatically controlling pulp liquid level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022936870.3U CN213825359U (en) | 2020-12-10 | 2020-12-10 | Flotation machine capable of detecting pulp liquid level on line and automatically controlling pulp liquid level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213825359U true CN213825359U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022936870.3U Expired - Fee Related CN213825359U (en) | 2020-12-10 | 2020-12-10 | Flotation machine capable of detecting pulp liquid level on line and automatically controlling pulp liquid level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213825359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926595A (en) * | 2021-09-24 | 2022-01-14 | 楚雄滇中有色金属有限责任公司 | Flotation machine for ore dressing |
-
2020
- 2020-12-10 CN CN202022936870.3U patent/CN213825359U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926595A (en) * | 2021-09-24 | 2022-01-14 | 楚雄滇中有色金属有限责任公司 | Flotation machine for ore dressing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210730 |