CN219502965U - Inflatable stirring flotation machine - Google Patents

Abstract

The utility model provides an inflatable stirring flotation machine which comprises a flotation tank, wherein the bottom of the flotation tank is sequentially connected with a guide structure, a ore feeding pipe, a central pipe, a connecting pipe and a transmission device from bottom to top; the air metering device is used for detecting the air flow in the first air inlet pipe and transmitting the air flow to the controller, and the controller is used for controlling the actual air charging flow by controlling the opening of the pneumatic regulating valve after comparing the air metering device with a set value; the automatic air charging control device ensures that the air quantity and the dispersity of the air entering the flotation tank are optimized, the contact rate of the air bubbles and ore particles is effectively improved, the ore particles fully enter the air bubbles and enter the ore pulp surface along with the air bubbles, and the ore particles are screened.

Description

Inflatable stirring flotation machine

Technical Field

The utility model relates to the technical field of mineral separation equipment, in particular to an inflatable stirring flotation machine.

Background

The flotation machine is short for floating ore dressing machine, which is a mechanical equipment for finishing flotation process, and is mainly used for separating copper, zinc, lead, nickel, gold and other nonferrous metals, and also can be used for roughing and selecting ferrous metals and non-metals. In a flotation machine, the ore pulp treated by adding the medicament is stirred and aerated, so that some ore particles are selectively fixed on bubbles; the floating slurry is scraped to form foam products, and the rest part of the foam products are remained in the slurry so as to achieve the purpose of separating minerals.

When the inflatable stirring type flotation machine is used, a patent with the patent number of CN202022417071.5 is disclosed, although an air cylinder is added at the center of a stator, so that floating bubbles are dispersed uniformly, the air is inflated by manually controlling a blower, the inflation amount of the flotation tank is manually adjusted, the control stability and accuracy are difficult to ensure, the labor intensity of site workers can be increased, and the control effect on the inlet amount of gas is poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an inflatable stirring flotation machine, which is beneficial to solving the problem of poor control effect on the gas inlet amount.

In order to achieve the above purpose, the utility model is realized by the following technical scheme that the air-filled stirring flotation machine comprises a flotation tank, wherein the bottom of the flotation tank is sequentially connected with a guide structure, a ore feeding pipe, a central pipe, a connecting pipe and a transmission device from bottom to top, the guide structure comprises a stator, an impeller is arranged on the outer side of the stator, the impeller comprises an impeller frame and impeller blades, the impeller blades are fixedly connected between the impeller frames, a distributor is clamped at the center of the stator, and the distributor is connected with a first air inlet pipe;

the flotation tank one side is provided with and aerifys automatic control device, it includes air metering appearance, pneumatic control valve and controller to aerify automatic control device, air metering appearance sets up in first intake pipe, first intake pipe downside is connected with the second intake pipe, the downside of second intake pipe, set up pneumatic control valve in the second intake pipe, air metering appearance is used for detecting the size of air flow in the first intake pipe and conveys to the controller, thereby the controller is compared the back through the aperture control actual air flow's of control pneumatic control valve size with the setting value.

Through adopting above-mentioned technical scheme, when the flotation machine operation, ore pulp flows down in proper order from connecting pipe, center tube, ore feeding pipe, flow from the distributor under stator and impeller distributor's effect, air meter is used for detecting the air flow in the first intake pipe and conveys to the controller, thereby the controller compares the detected value with the setting value and controls the aperture size of start-up governing valve and control the air inflow of second intake pipe, automatic control device makes air quantity and the dispersity that get into the flotation tank reach the optimization, make the contact rate of bubble and ore grain improve effectively, realize that the ore grain is abundant to enter into on the bubble, enter into the ore pulp surface along with the bubble, thereby accomplish the screening of ore grain.

Optionally, the distributor includes the barrel, the outside equipartition of barrel has the circulation hole, the outer wall of barrel is equipped with the card strip, card strip joint is in the inside of stator.

Through adopting above-mentioned technical scheme, when the installation distributor, available card strip makes its fixed stability, avoids rotating or rocking, along with the inflow of ore pulp increases, and the ore pulp begins from bottom-to-top flows from the circulation hole, accompanies the start of impeller, and the air that self-priming trachea entered into the bottom can carry out abundant even mixing with the ore pulp for the bubble that produces compares comparatively even output.

Optionally, the inside of impeller blade is equipped with a plurality of through-hole, and a plurality of through-hole is arranged about the central line symmetry of impeller blade.

Through adopting above-mentioned technical scheme, be equipped with the through-hole on the impeller blade, can increase circulation ore pulp to this improves the air suction volume, thereby improves flotation efficiency.

Optionally, the circulation hole is annularly arranged at the outer side of the cylinder body, and the circulation hole is arranged between the clamping strips.

Through adopting above-mentioned technical scheme, the circulation hole of seting up between the card strip avoids stator welding area, avoids cyclic impact force to destroy the stator.

Optionally, a soft pad is arranged at the joint of the inner side wall surface of the clamping strip and the rotor.

Through adopting above-mentioned technical scheme, the cushion makes stator and distributor's fixed more stable, avoids mechanical wear, improves the rate of utilization.

Optionally, scraper devices are arranged on two sides of the flotation tank, each scraper device comprises symmetrically arranged scrapers, and each scraper is connected with a driving piece.

By adopting the technical scheme, the scraping plate scrapes the foam in the flotation tank to the surface of the flotation tank.

The utility model provides an inflatable stirring flotation machine, which has the following beneficial effects:

1. when the air-filled stirring flotation machine is operated, ore pulp flows down from a connecting pipe, a central pipe and an ore feeding pipe in sequence, flows out from a distributor under the action of a stator and an impeller distributor, an air meter is used for detecting air flow in a first air inlet pipe and transmitting the air flow to a controller, the controller compares a detection value with a set value so as to control the opening degree of a starting regulating valve and control the air inflow amount of a second air inlet pipe, an automatic control device optimizes the air quantity and the dispersity entering a flotation tank, the contact rate of bubbles and ore particles is effectively improved, the ore particles fully enter the bubbles, and enter the ore pulp surface along with the bubbles, so that the ore particle screening is completed;

2. when the distributor is installed, the distributor can be fixed and stable by using the clamping strips, rotation or shaking is avoided, along with the increase of inflow of ore pulp, the ore pulp starts to flow out from the circulation holes from bottom to top, and the air entering the bottom from the air suction pipe is fully and uniformly mixed with the ore pulp along with the starting of the impeller, so that the generated air bubbles are produced more uniformly.

Drawings

Fig. 1 is a schematic diagram of an aerated agitation flotation machine in accordance with an embodiment of the present utility model.

FIG. 2 is a schematic diagram of the charge control according to an embodiment of the present utility model.

Fig. 3 is a schematic diagram of a transmission structure according to an embodiment of the present utility model.

FIG. 4 is a schematic view of a screed according to an embodiment of the present utility model

Reference numerals illustrate: 1. a flotation cell; 2. a guide structure; 21. a stator; 22. an impeller; 23. an impeller frame; 24. impeller blades; 241. a through hole; 3. a feeding tube; 4. a central tube; 5. a connecting pipe; 6. a transmission structure; 7. a dispenser; 72. a cylinder; 73. a flow hole; 74. clamping strips; 75. a soft cushion; 8. an automatic inflation control device; 810. an air meter; 820. a pneumatic control valve; 830. a controller; 9. a first air inlet pipe; 10. a second air inlet pipe; 11. a scraper device; 12. a driving member.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are one embodiment of the present utility model, not all other embodiments obtained by those skilled in the art without making creative efforts, and all other embodiments are within the scope of protection of the present utility model.

As shown in fig. 1-2, the embodiment of the utility model provides an inflatable stirring flotation machine, which comprises a flotation tank 1, wherein the bottom of the flotation tank 1 is sequentially connected with a guide structure 2, a feeding pipe 3, a central pipe 4, a connecting pipe 5 and a transmission device 6 from bottom to top, the guide structure 2 comprises a stator 21, an impeller 22 is arranged on the outer side of the stator 21, the impeller 22 comprises an impeller frame 23 and impeller blades 24, the impeller blades 24 are fixedly connected between the impeller frames 23, a distributor 7 is clamped at the center of the stator 21, and the distributor 7 is connected with a first air inlet pipe 9; the flotation tank 1 one side is provided with aerifys automatic control device 8, aerify automatic control device 8 and include air metering gauge 810, pneumatic control valve 820 and controller 830, air metering gauge 810 sets up in first intake pipe 9, first intake pipe 9 downside is connected with second intake pipe 10, be provided with pneumatic control valve 820 on the second intake pipe 10, air metering gauge 810 is used for detecting the size of the air flow in the first intake pipe 9 and conveys to controller 830, thereby controller 830 compares the back through the aperture of control pneumatic control valve 820 with the setting value and controls the size of actual air flow.

The air meter adopts a vortex street type flow measurement mode, and a differential pressure transmitter outputs a flow signal, so that measurement is accurate.

Referring to fig. 3, the distributor 7 includes a cylinder 72, flow holes 73 are uniformly distributed in the outer side of the cylinder 72, clamping strips 74 are arranged on the outer wall of the cylinder 72, the clamping strips 74 are clamped in the stator 21, when the distributor 7 is installed, the clamping strips 74 can be used for fixing and stabilizing the distributor, rotation or shaking is avoided, along with the increase of inflow of ore pulp, the ore pulp starts to flow out from the flow holes 73 from bottom to top, and along with the start of the impeller 22, air entering the bottom from the air suction pipe can be fully and uniformly mixed with the ore pulp, so that generated bubbles are produced more uniformly.

Further, through holes 241 are formed in the impeller blades 24, the number of the through holes 241 is two, the two through holes 241 are symmetrically arranged about the central line of the impeller blades 24, and circulating ore pulp can be increased by the through holes 241 formed in the impeller blades 24, so that the air suction amount is improved, and the flotation efficiency is improved; the flow holes 73 are provided around the outside of the cylinder 72, and the flow holes 73 are provided between the locking strips 74.

Referring to fig. 4, the flotation tank 1 is provided with scraper means on both sides of the top, wherein the scraper means comprises symmetrically arranged scrapers 11, and the scrapers 11 are connected with driving members 12.

The implementation principle of the embodiment of the utility model is as follows: when the flotation machine operates, ore pulp flows down from the connecting pipe 5, the central pipe 4 and the ore feeding pipe 3 in sequence and falls into the gap between the distributor 7 and the distributor, the ore pulp flows from the bottom of the distributor 7 to the gap between the impeller 22 and the stator 21, the air metering gauge 810 is used for detecting the air flow in the first air inlet pipe 9 and transmitting the air flow to the controller 830, the controller 830 compares the detected value with the set value so as to control the opening degree of the starting regulating valve to control the air inflow of the second air inlet pipe 10, the automatic control device optimizes the air quantity and the dispersity entering the flotation tank 1, the contact rate of bubbles and ore particles is effectively improved, the ore particles fully enter the bubbles, and enter the ore pulp surface along with the bubbles, thereby completing the screening of the ore particles.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an inflatable stirring flotation machine, includes flotation cell (1), the bottom of flotation cell (1) has connected gradually guide structure (2), ore feeding pipe (3), center tube (4), connecting pipe (5) and transmission (6) from bottom to top, a serial communication port, guide structure (2) include stator (21), the outside of stator (21) is equipped with impeller (22), impeller (22) include impeller frame (23) and impeller piece (24), impeller piece (24) fixed connection is between impeller frame (23), the center department joint of stator (21) has distributor (7), distributor (7) are connected with first intake pipe (9); flotation tank (1) one side is provided with and aerifys automatic control device (8), it includes air metering gauge (810), pneumatic control valve (820) and controller (830) to aerify automatic control device (8), air metering gauge (810) set up in first intake pipe (9), first intake pipe (9) downside is connected with second intake pipe (10), be provided with pneumatic control valve (820) on second intake pipe (10), air metering gauge (810) are used for detecting the size of air flow in first intake pipe (9) and convey to controller (830), thereby the controller (830) is with the aperture of setting value comparison back through control pneumatic control valve (820) control actual inflation flow's size.

2. The air-filled stirring flotation machine according to claim 1, wherein the distributor (7) comprises a cylinder (72), the outside of the cylinder (72) is uniformly provided with circulation holes (73), the outer wall of the cylinder (72) is provided with clamping strips (74), and the clamping strips (74) are clamped in the stator (21).

3. An aerated agitation flotation machine as recited in claim 1, wherein said impeller blades (24) are internally provided with a plurality of through holes (241), said plurality of through holes (241) being symmetrically disposed about a centerline of said impeller blades (24).

4. An aerated agitation flotation apparatus as recited in claim 2, wherein said flow apertures (73) are disposed circumferentially outside of said barrel (72), and wherein said flow apertures (73) are disposed between said strips (74).

5. The air-filled stirring flotation machine according to claim 4, wherein a cushion (75) is arranged at the joint of the inner side wall surface of the clamping strip (74) and the rotor.

6. An aerated agitation flotation machine as claimed in claim 1, wherein the flotation cell (1) is provided with scraper means on both sides, the scraper means comprising symmetrically arranged scrapers (11), the scrapers (11) being connected with a driving member (12).