CN211801663U - Small-size full-automatic flotation device in laboratory - Google Patents
Small-size full-automatic flotation device in laboratory Download PDFInfo
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- CN211801663U CN211801663U CN201922063584.8U CN201922063584U CN211801663U CN 211801663 U CN211801663 U CN 211801663U CN 201922063584 U CN201922063584 U CN 201922063584U CN 211801663 U CN211801663 U CN 211801663U
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Abstract
A small-sized full-automatic flotation machine in a laboratory comprises a motor and a flotation tank, wherein the tank wall of the flotation tank is provided with a double-layer structure, and a vacuum structure is arranged between the two layers; a waste discharge port is arranged at the bottom of the flotation tank, and the discharge port is arranged in a funnel shape with a certain inclination angle; a stirring device is arranged in the flotation tank, four rotatable water spraying pipes are arranged on the outer side of the stirring cover, and a row of water spraying holes are formed in one side of each water pipe; the control device comprises a control panel, a temperature control system, a concentration monitoring system and a liquid level adjusting system, and can be used for blending materials and flotation reagents, adjusting the temperature of the materials, rotating a rotating shaft in a variable frequency mode, adjusting the liquid level, performing self-cleaning and the like through a manually written program. The flotation machine can realize full-automatic accurate operation except charging, avoids experimental errors caused by artificial subjective conscious operation, can improve the flotation operation efficiency, can obtain ideal flotation indexes, realizes variable-frequency rotation of the motor, can save a large amount of electric energy, and has an energy-saving effect.
Description
Technical Field
The invention relates to the technical field of mineral flotation, in particular to a small-sized full-automatic flotation machine for a laboratory.
Background
And (3) sorting non-metallic minerals such as graphite, sulfur, diamond, quartz, mica, feldspar and fine coal, silicate minerals, non-metallic salt minerals such as fluorite, apatite and barite, and soluble salt minerals such as sylvite and halite. There are billions of tons of minerals and materials that are flotated worldwide each year. Froth flotation processes are often used to sort fine particle minerals and have higher efficiency than table concentrator processes, high gradient magnetic separation and oil agglomeration. The main principle of the flotation method is based on the difference of the surface chemical properties of useful minerals and gangue minerals, and the minerals and impurities are separated by utilizing the natural hydrophobicity of the surfaces of mineral particles and the hydrophilicity of slag.
Laboratory flotation tests are typically performed to determine the optimum dosing regime and operating parameters for a particular ore. The flotation machine is a short name of a flotation machine and refers to mechanical equipment for completing a flotation process, and in the flotation machine, ore pulp treated by adding a medicament is stirred and aerated to ensure that certain ore particles are selectively fixed on 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 structure of the flotation machine is various.
The most common flotation machines used at present are mechanical stirring flotation machines, which are all operated manually. Artificially preparing a flotation reagent and feeding minerals, heating the water by a water bath, artificially adding water to control the liquid level, continuously rotating a rotating shaft at a fixed speed, artificially and subjectively controlling the opening and closing of equipment, and artificially unloading and cleaning by disassembling a flotation tank, so that the quality of concentrate and the flotation efficiency are difficult to ensure.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a full-automatic flotation machine to solve the technical problems of errors, poor flotation efficiency and poor quality of concentrate caused by artificial subjective operation of the existing flotation machine. The disassembly of the tank body, self-discharging and self-cleaning can be avoided, and full-automatic operation except the addition of materials can be realized.
The embodiment of the invention provides a flotation machine which comprises a driving device, a stirring device, a sorting device and a control device.
The driving device comprises a motor and a transmission shaft, the motor and the transmission shaft are respectively fixed on the front side and the rear side of the support, and the transmission shaft is connected with the rotating shaft.
The stirring device comprises a rotating shaft, a flotation cover, an air inlet pipe and a water spraying pipe. The bottom end of the rotating shaft is fixedly provided with an impeller, and the impeller is provided with a plurality of round holes.
The flotation cover wraps the rotating shaft, a large gap is formed between the rotating shaft and the flotation cover to form a flotation cavity, an air inlet pipe is arranged at the upper end of the flotation cover, air enters from the air inlet pipe and reaches the impeller through the flotation cavity to be discharged.
Four rotatable water spray pipes are fixed on the outer side of the flotation cover and connected with a water guide pipe, and a row of small holes are formed in the water spray pipes, so that water is sprayed out.
The sorting device comprises a flotation tank and a scraper conveyor, the flotation tank is fixed on the support, the tank wall has a double-layer structure, and the double-layer structure is in vacuum.
The bottom of the flotation tank is funnel-shaped with a certain inclination angle, the lower end of the flotation tank is provided with a waste discharge port, the waste discharge port is provided with a knob switch, tailings are discharged from the waste discharge port, and the scraper conveyor is fixed on the outer edge of the upper end of the flotation tank.
The control device comprises a control panel, a self-cleaning system, a batching system, a temperature regulating system, a concentration monitoring system and a liquid level regulating system. The control panel is fixed on one side of the support column and regulates other systems.
The temperature regulation and control system comprises a heating strip and a temperature sensor, wherein the heating strip and the temperature sensor are fixed on the back side of the flotation cell.
The self-cleaning system comprises a water storage tank, a water guide pipe and a water spraying pipe, wherein the water storage tank is fixed on the left side of the upper end of the device, the water guide pipe extends out of the lower end of the water storage tank to the flotation tank, and the other water spraying pipe is connected with the water spraying pipe on the outer side of the flotation cover.
The feed proportioning system includes medicament groove and pipe, the medicament groove is fixed on device upper end right side, and has threely, the pipe is stretched out to the flotation cell by medicament groove lower extreme.
The concentration monitoring system includes a concentration sensor secured to a back side of the flotation cell.
The liquid level regulating system comprises a liquid level display device, and the liquid level display device is fixed on the left side of the upper end of the device and is close to the water storage tank.
Drawings
Fig. 1 is a schematic structural view of a flotation machine according to an embodiment of the present invention.
Figure 2 is a side view of a flotation machine of an embodiment of the invention.
Figure 3 is a flotation cell and fixture of a flotation machine of an embodiment of the invention.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.
A certain program (a functional relation between concentration and rotating speed) is written on a control panel (14), and according to the real-time monitoring of a concentration sensor (19), the rotating shaft is set to rotate in a variable frequency mode according to the program so as to adapt to concentration change, so that the electric energy waste caused by rotation at a fixed rotating speed can be avoided, and the energy is saved. And (4) setting flotation time, finishing flotation in specified time, and ensuring the quality of the concentrate.
After materials needing flotation are added into the flotation tank (5), the flotation machine is started, water in the water storage tank (10) is automatically added into the flotation tank (5) through the water guide pipe to a set scale mark, the motor (12) is started, the rotating shaft (8) is driven to rotate through the transmission device (11), stirring is started at a set rotating speed, and the materials and the water are stirred and mixed. And simultaneously, the heating strip (17) starts to work to heat the ore pulp. After the set time is reached, the agent a in the agent tank (13) is automatically injected into the flotation tank (5) through a conduit connected with the lower end of the agent tank (13), and after the set time is passed, the agent b in the agent tank (13) b is also automatically injected into the flotation tank (5) through the conduit, and a plurality of agents can be set and injected according to the physical and chemical properties of the materials. After the required medicament is injected, continuously stirring and mixing to prepare the complete flotation medicament.
The temperature sensor (18) monitors in real time until the heating strip (17) stops heating after heating the pulp to a set temperature range (the activity of the flotation agent at a specific temperature is the best). At the moment, the air inlet pipe (9) starts to be filled with air, bubbles are blown out through the round hole on the stirring impeller (4), and the flotation work is formally started. The bubbles are fully contacted with the minerals, so that the minerals are bonded on the foams and float to the pulp surface to form mineralized bubbles. At the moment, the scraper conveyor (6) is started to drive the scraper to rotate, so that bubbles are scraped out and enter a container on a tray (2) below along the edge of the flotation tank.
The liquid level is gradually lowered along with the continuous scraping of the mineral particles and the bubbles by the scraper, the liquid level display device (15) feeds back the liquid level situation to the control panel (14), water in the water storage tank (16) is automatically injected into the flotation tank (5) according to the programmed program, the water injection is stopped when the water reaches the specified liquid level, and the operation is repeated.
With the continuous stirring of the impeller, the heat of the ore pulp can be continuously emitted to the air, and part of the heat can be taken away by the mineralized bubbles. The temperature sensor (18) can monitor the temperature of the ore pulp in real time and feed back data to the control panel (14), when the temperature is reduced to be lower than a set temperature range, the heating strip (17) starts to heat the ore pulp, heating is stopped until the temperature is within the set temperature range, and the operation is repeated.
As the mineral particles continue to be flotated, the concentration of useful minerals in the slurry gradually decreases. The concentration sensor (19) will monitor the solution concentration in real time and feed data back to the control panel (14), and the motor (12) will change the rotation speed in real time to match the flotation effect according to the previously input program, and the operation is repeated.
And after the specified flotation time, the motor (12) and the scraper conveyor (6) stop rotating simultaneously, and the temperature system, the concentration system and the liquid level system stop working. And opening a knob switch of a waste discharge port (3) below the flotation tank (5) to discharge waste liquid into a containing vessel on the tray (20). And (3) opening the self-cleaning system, enabling water in the water storage tank (16) to enter the water spraying pipe (7) along with the water guide pipe, spraying through the pores, cleaning the residual waste residues on the wall of the flotation tank, and discharging through the waste discharge port (3). And closing a waste discharge port (3) switch, starting water injection to a specified scale, starting a motor (12) to drive a rotating shaft (8) to rotate, cleaning residues on an impeller (4) and a flotation cover, and performing secondary cleaning on a flotation tank wall. (the purpose of cleaning is to avoid the error caused by the mixing of different materials) after the operation is finished, the waste material discharge port (3) is opened to discharge the sewage.
Two products are obtained in the flotation process, namely concentrate and tailings.
And the current flotation process is finished, or the power supply is turned off, or the next flotation is carried out.
The technical solutions of the present invention have been described in detail with reference to specific embodiments, which are used to help understand the ideas of the present invention. The derivation and modification made by the person skilled in the art on the basis of the specific embodiment of the present invention also belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a small-size full-automatic flotation device in laboratory, includes motor (12), flotation cell (5), its characterized in that: the wall of the flotation tank (5) is provided with a double-layer structure, a vacuum structure is arranged between the two layers to reduce heat loss, the bottom of the flotation tank (5) is provided with a waste material outlet (3), the material outlet is arranged in a funnel shape with a certain inclination angle, and a knob switch is arranged below the port; and a stirring device is arranged in the flotation tank (5).
2. The flotation machine of claim 1, wherein: the stirring device comprises a transmission shaft (10) connected with a motor through a transmission device (11), the transmission shaft (10) drives a rotating shaft (8) to rotate, air enters a flotation cavity formed between a flotation cover and the rotating shaft (8) through an air inlet pipe (9) and passes through a small hole in the stirring impeller (4) to form bubbles.
3. The flotation machine of claim 2, wherein: four rotatable water spraying pipes (7) are arranged on the outer side of the flotation cover at equal intervals, a row of small water spraying holes are formed in one side of each water pipe, and the four water spraying pipes (7) can rotate 90 degrees respectively to form a 360-degree surrounding spraying range; the spray pipe (7) and the water storage tank (16) hung on the left side of the upper end of the support (21) form a self-cleaning system.
4. A flotation machine according to claim 3, wherein: three agent grooves (13) are formed in the right side of the upper end of the support column (21), and the lower end of the support column is connected with a guide pipe to enter the flotation tank (5).
5. The flotation machine of claim 1, wherein: the side of the flotation tank (5) is provided with a temperature sensor (18), a heating strip (17) and a concentration sensor (19), and one side of the water storage tank (16) is provided with a liquid level display device (15) which are connected with a control panel (14) to form a regulation and control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063584.8U CN211801663U (en) | 2019-11-26 | 2019-11-26 | Small-size full-automatic flotation device in laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063584.8U CN211801663U (en) | 2019-11-26 | 2019-11-26 | Small-size full-automatic flotation device in laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211801663U true CN211801663U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922063584.8U Expired - Fee Related CN211801663U (en) | 2019-11-26 | 2019-11-26 | Small-size full-automatic flotation device in laboratory |
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| Country | Link |
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| CN (1) | CN211801663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505176A (en) * | 2022-02-09 | 2022-05-17 | 武汉理工大学 | Self-suction type high-purity quartz sand flotation system and method capable of controlling temperature and maintaining concentration |
-
2019
- 2019-11-26 CN CN201922063584.8U patent/CN211801663U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505176A (en) * | 2022-02-09 | 2022-05-17 | 武汉理工大学 | Self-suction type high-purity quartz sand flotation system and method capable of controlling temperature and maintaining concentration |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20211126 |