Pneumatic flotation device for producing high-purity quartz sand

Abstract

The utility model discloses a pneumatic flotation device for producing high-purity quartz sand, which comprises a flotation box, an overflow port is arranged at the top of the flotation box, an aeration device is mounted at the bottom of the flotation box, a floating type blowing device communicated with the aeration device is mounted in the flotation box, and the floating type blowing device comprises a hollow floating body internally provided with an air cavity. A floating plate is arranged at the bottom of the hollow floating body, an air blowing pipe communicated with an air cavity of the hollow floating body is arranged on one side of the hollow floating body right opposite to the overflow port, a hose communicated with the aeration device and the air cavity is arranged on the other side of the hollow floating body, and the length of the hose is larger than the height of the flotation box. According to the utility model, the floating type blowing device is arranged, so that the blowing pipe can automatically lift according to the height of the liquid level and is always kept on the same horizontal plane with bubbles, and the bubble blowing effect and efficiency are improved; the hollow floating body and the floating plate are arranged, and the area of the floating plate is larger than the bottom area of the hollow floating body, so that the whole floating type blowing device is always in a horizontal state, and the blowing effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to quartz processing technical field, especially relate to a pneumatic type flotation device for producing high purity quartz sand. BACKGROUND

[0002] In the processing of existing quartz sand, impurities in the quartz sand will be removed by flotation operation, and the common method for removing impurities is a flotation machine. The working principle of the flotation machine is to place the quartz sand in a flotation tank, add a liquid containing a flotation reagent to the flotation tank, and then mix the quartz sand and the liquid thoroughly by a stirring device. Under the action of an aeration device, the impurities adhere to the flotation bubbles and float to the top of the liquid surface. The bubbles are discharged by overflow only when they are full. This results in low flotation efficiency. If the bubbles containing impurities cannot be discharged in time, the impurities may fall back into the liquid, resulting in poor flotation effect.

[0003] To solve this technical problem, the existing technology uses a blowing method to blow out the bubbles. However, the existing blowing equipment is installed on the side wall of the flotation tank and cannot be flexibly adjusted according to the liquid level. Although there is an adjusting device in the existing technology, this adjusting device can only be controlled manually. If the problem cannot be found in time, the flotation quality and efficiency cannot be guaranteed. SUMMARY

[0004] The utility model solves the technical problems of the prior art and provides a pneumatic type flotation device for producing high purity quartz sand, which is reasonable in design, easy to use, and has automatic adjustment of blowing height.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A pneumatic type flotation device for producing high purity quartz sand, comprising a flotation tank, the top of the flotation tank is provided with an overflow port for discharging flotation bubbles, characterized in that an aeration device is installed at the bottom of the flotation tank, and a floating type blowing device is installed in the flotation tank and communicates with the aeration device. The floating type blowing device comprises a hollow float body with a gas cavity, the bottom of the hollow float body is provided with a floating plate, the area of the floating plate is greater than the bottom area of the hollow float body, the side of the hollow float body opposite to the overflow port is provided with a blowing pipe communicating with the gas cavity of the hollow float body, the blowing pipe is installed on the hollow float body through a one-way valve, the bottom of the hollow float body is provided with a hose communicating with the aeration device and the gas cavity, and the length of the hose is greater than the height of the flotation tank.

[0007] The technical problems solved by the utility model can also be achieved by the following technical solutions: the blowing pipe is provided with at least one row, at least three blowing pipes are provided in one row, the middle blowing pipe is directly opposite to the overflow port, and the other two blowing pipes are arranged towards the two sides.

[0008] The technical problems to be solved by the utility model also can be realized through the following technical scheme, the blowing pipe is equipped with two rows, the blowing pipe of two rows is set staggeredly up and down.

[0009] The technical problems to be solved by the utility model also can be realized through the following technical scheme, the blowing port of blowing pipe is flat, the flat blowing port is horizontally arranged.

[0010] The technical problems to be solved by the utility model also can be realized through the following technical scheme, the aeration device includes the aeration coil pipe that is laid in the floatation tank bottom, and one end of the aeration coil pipe is closed, and the other end of the aeration coil pipe is connected with the pipe joint arranged on the lateral wall of the floatation tank, one end of the pipe joint is connected with the hose through the tee joint, the other end of the pipe joint is connected with the air pump arranged outside the floatation tank through the breather pipe, the valve is installed on the breather pipe, and a plurality of aeration holes are arranged side by side along the axis of the coil pipe on one side of the aeration coil pipe.

[0011] The technical problems to be solved by the utility model also can be realized through the following technical scheme, the float body is a float ball or a float box.

[0012] Compared with the prior art, the utility model discloses a floating type blowing device, so that the blowing pipe can automatically lift according to the height of the liquid surface, so that the blowing pipe always keeps the same horizontal plane with the air bubble, improves the blowing bubble effect and efficiency, and the hollow float body and the floating plate are arranged, the area of the floating plate is greater than the bottom area of the hollow float body, so that the whole floating type blowing device always keeps in the horizontal state, thereby guaranteeing the blowing effect, and the floating type blowing device and the aeration device work simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model discloses a floating type blowing device for producing high-purity quartz sand.

[0014] In the drawing, 1 is the floatation tank, 2 is the hollow float body, 3 is the floating plate, 4 is the hose, 5 is the tee joint, 6 is the aeration coil pipe, 7 is the overflow port, 8 is the blowing pipe, and 9 is the air pump. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0016] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0017] Referring to Figure 1 A kind of pneumatic flotation device for producing high-purity quartz sand, including flotation tank 1, the top of flotation tank 1 is equipped with overflow port 7 for excluding flotation bubble, aeration device is installed at the bottom of flotation tank 1, and floating type air blowing device is installed in flotation tank 1 and communicated with aeration device, the floating type air blowing device includes hollow float 2 with air cavity, the bottom of hollow float 2 is equipped with float plate 3, the area of float plate 3 is greater than the bottom area of hollow float 2, to ensure that hollow float 2 is always in horizontal state, the side of hollow float 2 opposite to overflow port is equipped with air blowing pipe 8 communicated with the air cavity of hollow float 2, air blowing pipe is mounted on hollow float by one-way valve, effectively avoids the backflow of water and bubble when stopping blowing, the bottom of hollow float is equipped with hose 4 communicated with aeration device and air cavity, the length of hose 4 is greater than the height of flotation tank 1, to ensure that floating type air blowing device can be always set horizontally, and is not limited by the length of hose, and the float can be float ball or float tank, and also can be any hollow shell or container structure.

[0018] The air blowing pipe 8 is provided with at least one row, and at least three air blowing pipes are provided in the row, one of the air blowing pipes in the middle is opposite to the overflow port, and the other two air blowing pipes are arranged towards two sides to blow off bubbles at various angles, the air blowing pipe 8 is provided with two rows, and the air blowing pipes in the two rows are arranged in a staggered manner, and the air blowing port of the air blowing pipe is flat, the flat air blowing port is horizontally arranged to ensure the blowing strength and improve the bubble exhaust efficiency.

[0019] The structure of the aeration device includes but is not limited to the following structure, including aeration coil 6 laid on the bottom of the flotation tank, one end of the aeration coil 6 is closed, the other end of the aeration coil is connected with a pipe joint arranged on the side wall of the flotation tank, one end of the pipe joint is connected with the hose 4 through a tee joint 5, the other end of the pipe joint is connected with the air pump 9 arranged outside the flotation tank 1 through an air pipe, a valve is arranged on the air pipe, and a plurality of aeration holes are arranged in a side of the aeration coil 6 along the axis of the coil.

[0020] The working process of the pneumatic type flotation device for producing high-purity quartz sand is as follows: during work, the air pump is started, the aeration device works, and simultaneously, the floating type air blowing device automatically lifts according to the liquid level, so that the air blowing pipe is always located on the same horizontal plane with the air bubbles, so that the air blowing pipe directly acts on the air bubbles, blows the air bubbles to the overflow port, improves the air bubble removal efficiency and effect, and because the air blowing pipe is arranged only on one side of the hollow floating body, the floating plate and the hollow floating body can be arranged as close as possible to the inner wall of the flotation tank away from the overflow port, the air bubble removal efficiency is improved, the height of the air blowing pipe does not need to be artificially adjusted, and use is more convenient.

[0021] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A pneumatic type floatation device for producing high purity quartz sand, comprising a floatation tank, a top of the floatation tank is provided with an overflow port for discharging floatation bubbles, characterized in that, An aeration device is installed at the bottom of the flotation tank, and a floating blowing device is installed in the flotation tank and communicates with the aeration device, the floating blowing device comprises a hollow floating body with a gas cavity, a floating plate is arranged at the bottom of the hollow floating body, the area of the floating plate is larger than the bottom area of the hollow floating body, a blowing pipe communicating with the gas cavity of the hollow floating body is arranged on one side of the hollow floating body opposite to the overflow port, the blowing pipe is arranged on the hollow floating body through a one-way valve, a hose communicating with the aeration device and the gas cavity is arranged at the bottom of the hollow floating body, and the length of the hose is greater than the height of the flotation tank.

2. A pneumatic type flotation device for producing high purity quartz sand according to claim 1, characterized in that, The blowing pipe is provided with at least one row, and at least three blowing pipes are provided in one row, one blowing pipe in the middle is opposite to the overflow port, and the other two blowing pipes are arranged towards two sides.

3. A pneumatic type flotation device for producing high purity quartz sand according to claim 2, characterized in that, The blowing pipe is provided with two rows, and the blowing pipes in the two rows are arranged in an up-down staggered mode.

4. A pneumatic flotation device for producing high purity quartz sand according to any one of claims 1 to 3, characterized in that, The blowing port of the blowing pipe is in a flat shape, and the flat blowing port is arranged horizontally.

5. The pneumatic type flotation device for producing high purity quartz sand according to claim 1, wherein The aeration device comprises an aeration coil pipe arranged at the bottom of the flotation tank, one end of the aeration coil pipe is closed, the other end of the aeration coil pipe is connected with a pipe joint arranged on the side wall of the flotation tank, one end of the pipe joint is connected with a hose through a tee joint, the other end of the pipe joint is connected with an air pump arranged outside the flotation tank through an air pipe, a valve is arranged on the air pipe, and a plurality of aeration holes are arranged in parallel along the axis of the coil pipe on one side of the aeration coil pipe.

6. The pneumatic type flotation device for producing high purity quartz sand according to claim 1, wherein The floating body is a floating ball or a floating tank.

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