Concentrate pretreatment screening device for gold smelting

Abstract

The utility model belongs to the technical field of screening devices, and particularly relates to a gold smelting concentrate pretreatment screening device which comprises a flotation bin, a blocking net bearing frame is arranged on the inner side of the flotation bin, a reverse funnel type blocking net supporting frame is arranged on the top of the blocking net bearing frame, and a blocking net is arranged on the top of the reverse funnel type blocking net supporting frame. A top cover is arranged at the top of the flotation bin, a feeding hopper is connected to the top of the top cover, a gas conveying pipe is rotationally installed between the top and the bottom of the top cover in a penetrating mode, a rotating connector is connected to the top of the gas conveying pipe, a bifurcated pipe is connected to the outer side of the gas conveying pipe, and one end of the bifurcated pipe is connected with a hollow ball. The bottom end of the air conveying pipe penetrates through the reverse funnel type blocking net supporting frame and is connected with the hollow disc, evenly-distributed air outlet holes are formed in the outer side of the hollow ball and the top of the hollow disc, liquid in the flotation bin can be evenly aerated, bubbles are evenly distributed in the liquid in the flotation bin, and the flotation efficiency is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of screening devices, and in particular relates to a concentrate pretreatment screening device for gold smelting. Background Art

[0002] Gold flotation is a method of extracting and enriching gold from gold ore by physical and chemical methods. It is mainly based on the differences in the physical and chemical properties of the mineral surface. Under the action of reagents and aeration stirring, useful components (such as gold) and gangue minerals are separated. It is a common gold ore pretreatment screening method. However, in the prior art, the aeration position of this type of equipment is fixed, which leads to uneven distribution of internal bubbles and affects the flotation efficiency. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide a concentrate pretreatment screening device for gold smelting, which can evenly aerate the liquid inside the flotation bin, so that the bubbles are evenly distributed in the liquid inside the flotation bin, effectively improving the flotation efficiency.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: a concentrate pretreatment screening device for gold smelting, comprising a flotation bin, a barrier net support bracket is provided on the inner side of the flotation bin, a reverse funnel-shaped barrier net support bracket is provided on the top of the barrier net support bracket, a barrier net is provided on the top of the reverse funnel-shaped barrier net support bracket, a top cover is provided on the top of the flotation bin, a feed hopper is connected to the top of the top cover, an air pipe is passed through and rotatably installed between the top and bottom of the top cover, a rotary joint is connected to the top of the air pipe, and the air pipe is provided with a rotary joint. A bifurcated pipe is connected to the outside of the flotation bin, one end of which is connected to the hollow ball, the bottom end of the gas pipe passes through the reverse funnel-shaped barrier net support frame and is connected to the hollow disk, the outside of the hollow ball and the top of the hollow disk are provided with evenly distributed air outlet holes, the outside of the flotation bin is provided with a sludge collection and output device, the top of the top cover is connected to a liquid inlet pipe, the side of the flotation bin is connected to an overflow pipe, the other end of the overflow pipe is connected to a filtering device, the side of the flotation bin is penetrated by a waste discharge trough, and the outside of the waste discharge trough is provided with a sealing plate that can slide up and down.

[0005] The beneficial effects of the utility model are as follows: the air delivery pipe is supplied with air through the air pump, and at the same time the reduction motor drives the second pulley to rotate, and the second pulley pulls the first pulley to rotate through the belt, thereby driving the air delivery pipe to rotate, and then driving the bifurcated pipe, the hollow ball, and the hollow disk to rotate synchronously, and the liquid inside the flotation bin can be evenly aerated through the air outlet holes on the rotating hollow balls and hollow disks, so that the bubbles are evenly distributed in the liquid inside the flotation bin, and the flotation efficiency is effectively improved.

[0006] Slide the sealing plate upward to open it, and the sludge above the reverse funnel-shaped barrier net support frame can be discharged outward through the waste discharge chute. Due to the shape of the reverse funnel-shaped barrier net support frame, the sludge above the reverse funnel-shaped barrier net support frame can be discharged more smoothly into the annular sludge collecting channel. Turn on the ultrasonic vibrator, and the annular sludge collecting channel can be driven by the ultrasonic vibrator to vibrate through the elastic connecting rod, thereby helping the sludge on the annular sludge collecting channel to slide obliquely downward, and be discharged into the collection container through the discharge ramp, thereby facilitating the collection of the sludge.

[0007] In order to evenly aerate the liquid inside the flotation tank:

[0008] As a further improvement of the above technical solution: a first pulley is sleeved on the outer side of the air delivery pipe, a motor mounting frame is installed on the top of the top cover, a reduction motor is installed on the top of the motor mounting frame, the output end of the reduction motor is connected to the second pulley, and a belt is connected between the first pulley and the second pulley.

[0009] The beneficial effect of this improvement is that the reduction motor drives the second pulley to rotate, and the second pulley pulls the first pulley to rotate through the belt, thereby driving the air pipe to rotate, and then driving the bifurcated pipe, hollow ball, and hollow disk to rotate synchronously, and the liquid inside the flotation bin can be evenly aerated through the air outlet holes on the rotating hollow ball and hollow disk.

[0010] In order to remove and collect the gold minerals on the filter:

[0011] As a further improvement of the above technical solution: the filtering device includes a filter box connected to the overflow pipe, the bottom of the filter box is connected to the return pipe, a reflux pump is installed in the middle section of the return pipe, the other end of the return pipe is connected to the top cover, a filter screen is provided inside the filter box, and a sealing door is provided on the side of the filter box.

[0012] The beneficial effect of the improvement is that the gold mineral particles attached to the bubbles rise to the top of the liquid inside the flotation bin along with the bubbles to form a foam layer, and flow out to the filter box through the overflow pipe, and are filtered by the filter screen in the filter box to intercept the gold mineral particles above the filter screen, while the filtered liquid enters the reflux pipe and is pumped back to the flotation bin by the reflux pump for repeated use. After completing the flotation of a batch of materials, the sealed door on the filter box is opened to clear and collect the gold minerals on the filter screen.

[0013] In order to discharge the waste liquid in the flotation tank:

[0014] As a further improvement of the above technical solution: the bottom of the flotation bin is connected to a waste discharge pipe, and the bottom of the waste discharge pipe is connected to a valve.

[0015] The beneficial effect of this improvement is that the waste liquid in the flotation chamber can be discharged by opening the valve.

[0016] To facilitate the collection of sludge:

[0017] As a further improvement of the above technical solution: the sludge collection and output device includes an annular sludge collection channel, an elastic connecting rod is connected between the annular sludge collection channel and the flotation bin, a discharge ramp is connected to one side of the annular sludge collection channel, and an ultrasonic vibrator is provided at the bottom of the annular sludge collection channel.

[0018] The beneficial effects of this improvement are as follows: the sealing plate is opened by sliding upwards, and the sludge above the reverse funnel-shaped barrier net support frame can be discharged outwards through the waste discharge chute; due to the shape of the reverse funnel-shaped barrier net support frame, the sludge above the reverse funnel-shaped barrier net support frame can be discharged more smoothly into the annular sludge collecting channel; by turning on the ultrasonic vibrator, the annular sludge collecting channel can be driven by the ultrasonic vibrator to vibrate through the elastic connecting rod, thereby helping the sludge on the annular sludge collecting channel to slide obliquely downward, and be discharged into the collection container through the discharge ramp, thereby facilitating the collection of the sludge.

[0019] For aeration:

[0020] As a further improvement of the above technical solution: an air pump is installed on the top of the top cover, and the air outlet pipe of the air pump is connected to the rotary joint.

[0021] The beneficial effect of this improvement is that the air pump is used to supply air to the air pipe, so that the hollow balls and hollow disks can aerate the liquid in the flotation bin through the air outlet holes to generate bubbles.

[0022] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the left front axle side structure of the utility model;

[0024] Figure 2 It is a partial axial side schematic diagram of the utility model;

[0025] Figure 3 It is a front cross-sectional schematic diagram of the utility model;

[0026] Figure 4 It is a schematic diagram of the axial side section structure of the utility model;

[0027] Figure 5 This is a schematic diagram of the bottom structure of the utility model;

[0028] In the figure: 1, flotation bin; 2, barrier net support frame; 3, reverse funnel type barrier net support frame; 4, barrier net; 5, top cover; 6, feed hopper; 7, rotary joint; 8, air pipe; 9, first pulley; 10, motor mounting frame; 11, reduction motor; 12, second pulley; 13, belt; 14, bifurcated pipe; 15, hollow ball; 16, hollow disk; 17, air outlet; 18, annular sludge collection channel; 19, elastic connecting rod; 20, discharge ramp; 21, ultrasonic vibrator; 22, liquid inlet pipe; 23, overflow pipe; 24, filter box; 25, reflux pipe; 26, reflux pump; 27, air pump; 28, waste discharge tank; 29, sealing plate; 30, waste discharge pipeline; 31, valve. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0030] like Figure 1-5 As shown, a concentrate pretreatment screening device for gold smelting includes a flotation bin 1, an inner side of the flotation bin 1 is provided with a blocking net support frame 2, the top of the blocking net support frame 2 is provided with a reverse funnel-shaped blocking net support frame 3, the top of the reverse funnel-shaped blocking net support frame 3 is provided with a blocking net 4, the top of the flotation bin 1 is provided with a top cover 5, the top of the top cover 5 is connected to a feed hopper 6, an air pipe 8 is penetrated and rotatably installed between the top and bottom of the top cover 5, the top of the air pipe 8 is connected to a rotary joint 7, the outer side of the air pipe 8 is connected to a bifurcated pipe 14, the bifurcated pipe 1 One end of the flotation tank 1 is connected to the hollow ball 15, the bottom end of the gas transmission pipe 8 passes through the reverse funnel-shaped barrier net support frame 3 and is connected to the hollow disk 16, the outer side of the hollow ball 15 and the top of the hollow disk 16 are provided with evenly distributed air outlet holes 17, the outer side of the flotation tank 1 is provided with a sludge collection and output device, the top of the top cover 5 is connected to a liquid inlet pipe 22, the side of the flotation tank 1 is connected to an overflow pipe 23, the other end of the overflow pipe 23 is connected to a filtering device, the side of the flotation tank 1 is penetrated by a waste discharge trough 28, and the outer side of the waste discharge trough 28 is provided with a sealing plate 29 that can slide up and down.

[0031] The air delivery pipe 8 is supplied with air by the air pump 27, and the reduction motor 11 drives the second pulley 12 to rotate. The second pulley 12 pulls the first pulley 9 to rotate through the belt 13, thereby driving the air delivery pipe 8 to rotate, and then driving the bifurcated pipe 14, the hollow ball 15, and the hollow disk 16 to rotate synchronously. Through the rotating hollow balls 15 and the air outlet holes 17 on the hollow disk 16, the liquid inside the flotation bin 1 can be evenly aerated, so that the bubbles are evenly distributed in the liquid inside the flotation bin 1, and the flotation efficiency is effectively improved.

[0032] Slide the sealing plate 29 upward to open it, and the sludge above the reverse funnel-shaped barrier net support frame 3 can be discharged outward through the waste discharge chute 28. Due to the shape of the reverse funnel-shaped barrier net support frame 3, the sludge above the reverse funnel-shaped barrier net support frame 3 can be discharged more smoothly into the annular sludge collecting channel 18. Turn on the ultrasonic vibrator 21, and the annular sludge collecting channel 18 can be driven by the ultrasonic vibrator 21 to vibrate through the elastic connecting rod 19, thereby helping the sludge on the annular sludge collecting channel 18 to slide obliquely downward, and be discharged into the collection container through the discharge ramp 20, thereby facilitating the collection of the sludge.

[0033] A first pulley 9 is sleeved on the outer side of the air delivery pipe 8, a motor mounting bracket 10 is installed on the top of the top cover 5, a reduction motor 11 is installed on the top of the motor mounting bracket 10, and the output end of the reduction motor 11 is connected to a second pulley 12, and a belt 13 is connected between the first pulley 9 and the second pulley 12.

[0034] The reduction motor 11 drives the second pulley 12 to rotate, and the second pulley 12 pulls the first pulley 9 to rotate through the belt 13, thereby driving the air pipe 8 to rotate, and then driving the bifurcated pipe 14, the hollow ball 15, and the hollow disk 16 to rotate synchronously. Through the rotating hollow balls 15 and the air outlet holes 17 on the hollow disk 16, the liquid inside the flotation tank 1 can be evenly aerated.

[0035] The filtering device includes a filter box 24 connected to the overflow pipe 23, the bottom of the filter box 24 is connected to the return pipe 25, a return pump 26 is installed in the middle section of the return pipe 25, the other end of the return pipe 25 is connected to the top cover 5, a filter screen is provided inside the filter box 24, and a sealing door is provided on the side of the filter box 24.

[0036] The gold mineral particles attached to the bubbles rise to the top of the liquid inside the flotation bin 1 with the bubbles to form a foam layer, and flow out to the filter box 24 through the overflow pipe 23, and are filtered by the filter screen in the filter box 24 to intercept the gold mineral particles above the filter screen, and the filtered liquid enters the reflux pipe 25 and is pumped back to the flotation bin 1 by the reflux pump 26 for reuse. After completing the flotation of a batch of materials, the sealed door on the filter box 24 is opened to clear and collect the gold minerals on the filter screen.

[0037] The bottom of the flotation chamber 1 is connected to a waste discharge pipe 30 , and the bottom of the waste discharge pipe 30 is connected to a valve 31 .

[0038] By opening the valve 31 , the waste liquid in the flotation chamber 1 can be discharged.

[0039] The sludge collecting and outputting device comprises an annular sludge collecting channel 18 , an elastic connecting rod 19 is connected between the annular sludge collecting channel 18 and the flotation bin 1 , a discharge ramp 20 is connected to one side of the annular sludge collecting channel 18 , and an ultrasonic vibrator 21 is provided at the bottom of the annular sludge collecting channel 18 .

[0040] Slide the sealing plate 29 upward to open it, and the sludge above the reverse funnel-shaped barrier net support frame 3 can be discharged outward through the waste discharge chute 28. Due to the shape of the reverse funnel-shaped barrier net support frame 3, the sludge above the reverse funnel-shaped barrier net support frame 3 can be discharged more smoothly into the annular sludge collecting channel 18. Turn on the ultrasonic vibrator 21, and the annular sludge collecting channel 18 can be driven by the ultrasonic vibrator 21 to vibrate through the elastic connecting rod 19, thereby helping the sludge on the annular sludge collecting channel 18 to slide obliquely downward, and be discharged into the collection container through the discharge ramp 20, thereby facilitating the collection of the sludge.

[0041] An air pump 27 is installed on the top of the top cover 5 , and an air outlet pipe of the air pump 27 is connected to the rotary joint 7 .

[0042] The air delivery pipe 8 is operated to deliver air through the air pump 27 , so that the hollow balls 15 and the hollow disks 16 can aerate the liquid in the flotation chamber 1 through the air outlets 17 to generate bubbles.

[0043] Working principle and use process of the utility model: When the device is used, the flotation agent and water are injected into the flotation bin 1 through the liquid inlet pipe 22, and the mineral to be floated is put into the flotation bin 1 through the feed hopper 6, and the mineral is blocked above the reverse funnel-shaped blocking net support frame 3 by the blocking net 4, and then the flotation can be started, and the air delivery pipe 8 is gas-delivered by the air pump 27, and at the same time, the reduction motor 11 drives the second pulley 12 to rotate, and the second pulley 12 pulls the first pulley 9 to rotate through the belt 13, thereby driving the air delivery pipe 8 to rotate, and then driving the separation. The fork tube 14, the hollow ball 15, and the hollow disk 16 rotate synchronously. Through the rotating hollow ball 15 and the air outlet 17 on the hollow disk 16, the liquid inside the flotation bin 1 can be evenly aerated, so that the bubbles are evenly distributed in the liquid inside the flotation bin 1, and the flotation efficiency is effectively improved. Under the buoyancy of the bubbles, the gold mineral particles attached to the bubbles rise to the top of the liquid inside the flotation bin 1 with the bubbles to form a foam layer, and then flow out to the filter box 24 through the overflow pipe 23, and are filtered through the filter screen in the filter box 24, so that the gold mineral particles are blocked in the filter screen. The filtered liquid enters the reflux pipe 25 and is pumped back to the flotation chamber 1 for reuse through the reflux pump 26. After completing the flotation of a batch of materials, the air pump 27, the reduction motor 11 and the reflux pump 26 are controlled to stop working, and the sealing plate 29 is slid upward to open the sealing plate 29, and the sludge above the reverse funnel-shaped barrier net support frame 3 can be discharged outward through the waste discharge trough 28. Due to the shape of the reverse funnel-shaped barrier net support frame 3, the sludge above the reverse funnel-shaped barrier net support frame 3 can be discharged more smoothly into the annular sludge collection channel 18. The ultrasonic vibrator 21 is turned on, and the sludge can be discharged through the annular sludge collection channel 18. The ultrasonic vibrator 21 drives the annular ore slime collecting channel 18 to vibrate through the elastic connecting rod 19, helping the ore slime on the annular ore slime collecting channel 18 to slide obliquely downward and be discharged into the collecting container through the discharge ramp 20, thereby facilitating the collection of the ore slime. For the ore slime attached to the top of the reverse funnel-shaped barrier net support frame 3, the ore slime on the reverse funnel-shaped barrier net support frame 3 can also be cleared out of the annular ore slime collecting channel 18 for discharge by using tools to probe into the waste discharge trough 28. By opening the sealing door on the filter box 24, the gold ore on the filter net can be cleared out and collected.

[0044] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0045] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A concentrate pretreatment screening device for gold smelting, characterized in that: The invention comprises a flotation bin (1), wherein a blocking net support frame (2) is provided on the inner side of the flotation bin (1), a reverse funnel-shaped blocking net support frame (3) is provided on the top of the blocking net support frame (2), a blocking net (4) is provided on the top of the reverse funnel-shaped blocking net support frame (3), a top cover (5) is provided on the top of the flotation bin (1), a feed hopper (6) is connected to the top of the top cover (5), an air delivery pipe (8) is passed through and rotatably installed between the top and bottom of the top cover (5), a rotary joint (7) is connected to the top of the air delivery pipe (8), a bifurcated pipe (14) is connected to the outer side of the air delivery pipe (8), one end of the bifurcated pipe (14) is connected to a hollow ball ( 15), the bottom end of the air delivery pipe (8) passes through the reverse funnel-shaped barrier net support frame (3) and is connected to the hollow disk (16), the outer side of the hollow ball (15) and the top of the hollow disk (16) are both provided with evenly distributed air outlet holes (17), the outer side of the flotation bin (1) is provided with a sludge collection and output device, the top of the top cover (5) is connected with a liquid inlet pipe (22), the side of the flotation bin (1) is connected with an overflow pipe (23), the other end of the overflow pipe (23) is connected to a filtering device, the side of the flotation bin (1) is penetrated with a waste discharge trough (28), and the outer side of the waste discharge trough (28) is provided with a sealing plate (29) that can slide up and down.

2. The concentrate pretreatment screening device for gold smelting according to claim 1 is characterized in that: A first pulley (9) is sleeved on the outer side of the air delivery pipe (8), a motor mounting frame (10) is installed on the top of the top cover (5), a reduction motor (11) is installed on the top of the motor mounting frame (10), an output end of the reduction motor (11) is connected to a second pulley (12), and a belt (13) is connected between the first pulley (9) and the second pulley (12).

3. The concentrate pretreatment screening device for gold smelting according to claim 1, characterized in that: The filtering device comprises a filtering box (24) connected to an overflow pipe (23); the bottom of the filtering box (24) is connected to a return pipe (25); a return pump (26) is installed in the middle section of the return pipe (25); the other end of the return pipe (25) is connected to a top cover (5); a filter screen is provided inside the filtering box (24); and a sealing door is provided on the side of the filtering box (24).

4. The concentrate pretreatment screening device for gold smelting according to claim 1, characterized in that: The bottom of the flotation bin (1) is connected to a waste discharge pipe (30), and the bottom of the waste discharge pipe (30) is connected to a valve (31).

5. The concentrate pretreatment screening device for gold smelting according to claim 1, characterized in that: The sludge collection and output device comprises an annular sludge collection channel (18), an elastic connecting rod (19) is connected between the annular sludge collection channel (18) and the flotation bin (1), a discharge ramp (20) is connected to one side of the annular sludge collection channel (18), and an ultrasonic vibrator (21) is provided at the bottom of the annular sludge collection channel (18).

6. The concentrate pretreatment screening device for gold smelting according to claim 1, characterized in that: An air pump (27) is installed on the top of the top cover (5), and an air outlet pipe of the air pump (27) is connected to the rotary joint (7).

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