Iron ore concentrate flotation roughing device

Abstract

The utility model discloses an iron ore concentrate flotation roughing device, which belongs to the technical field of ore processing, and comprises a processing box, a discharge port is arranged at the bottom of the processing box, an arc-shaped bottom plate is hinged in the discharge port, a support leg rod is fixed on the outer side wall of the processing box, a stone stirring component is arranged at the bottom of the processing box, and a bubble outlet component is arranged in the stone stirring component. A liquid discharge pipe located at the bottom of the treatment box is fixed on the outer side wall of the treatment box; according to the ore flotation device, ore at the bottom of the treatment box is stirred through the stone stirring assembly, the movement degree of the ore is improved, cleaning liquid can enter gaps of the ore more sufficiently, and therefore the flotation effect on the ore is improved, meanwhile, airflow is evenly and finely sprayed out from the bottom of the treatment box through the arranged bubble outlet assembly, and the flotation effect is improved. The airflow forms continuous bubbles in the liquid, so that tiny impurities are attached to the bubbles and float on the surface of the liquid, the sufficiency of ore flotation is further improved through a large number of bubbles, and the overall effect of ore flotation is further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to ore processing technical field, concretely relates to a roughing device for iron ore concentrate flotation. BACKGROUND

[0002] In the iron ore concentrate mining, the ore dressing is according to the physical, chemical properties of different minerals in ore, after crushing or grinding, using gravity separation method, flotation method, magnetic separation method, electric separation method etc., the useful minerals are separated from gangue minerals, and various symbiotic (associated) useful minerals are separated from each other as far as possible, remove or reduce harmful impurities, to obtain the process of smelting or other industrial raw materials, in the iron ore concentrate mining, impurities are inevitably mixed in the ore in the generation, mining and transportation process, the part of impurities in the iron ore is removed by the action of water flow flotation in the prior art.

[0003] Such as Chinese patent publication No. CN204911814U, a kind of ore flotation machine, including ore cylinder, stirring rod and impurity removal machine, the ore cylinder is cylindrical ore cylinder, ore cylinder is equipped with upper feed inlet and bottom discharge port, ore cylinder side wall upper portion is provided with impurity outlet and bottom is provided with water outlet hole;The stirring rod is arranged in the ore cylinder;The impurity removal machine is arranged outside the ore cylinder, and is connected with the impurity outlet and water outlet hole of ore cylinder side wall;The impurity removal machine includes filter and pressurizer, filter and pressurizer are connected by pipeline;The filter is connected with the impurity outlet of ore cylinder;The pressurizer is connected with the water outlet hole of ore cylinder;Impurities are floated from the upper wall space into the impurity removal machine in the ore cylinder outside setting impurity removal machine, and the impurities are filtered.

[0004] The above application still has deficiencies, it is difficult to take out the treated ore in the above application, and the material taking operation is more complicated and inconvenient, and the foam impurities floating on the liquid surface are difficult to discharge, which affects the overall use convenience.

[0005] Therefore, an iron ore concentrate flotation roughing device is needed to solve the problems in the above background. UTILITY MODEL CONTENTS

[0006] The utility model is to provide a kind of iron ore concentrate flotation roughing device, to solve the problems in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of iron ore flotation roughing device, including processing box, discharge outlet is opened in the bottom of the processing box, arc bottom plate is hinged in the discharge outlet, the outer lateral wall of the processing box is fixed with multiple support leg rods which are symmetrically distributed, the outer lateral wall of the processing box is fixed with drive motor, the bottom of the processing box is provided with the agitator assembly that is transmission connection with drive motor, the agitator assembly is provided with bubble outlet assembly in, the outer lateral wall of the processing box is fixed with liquid inlet pipe and impurity discharge pipe located at the top of processing box, the outer lateral wall of the processing box is fixed with liquid discharge pipe located at the bottom of processing box, valve is mounted on the impurity discharge pipe, liquid inlet pipe and liquid discharge pipe.

[0008] It needs to be explained in the scheme that the agitator assembly includes stirring shaft located at the bottom of processing box, both ends of the stirring shaft are rotatably connected with the lateral wall of processing box, a plurality of annularly distributed stirring rods are fixed on the side surface of the stirring shaft, a first gear is fixed on one end of the stirring shaft, a second gear is fixed on the output end of the drive motor and is meshingly connected with the first gear.

[0009] It is further worth mentioning that the bubble outlet assembly includes air passage opened in the interior of stirring shaft, air outlet hole is opened in the side surface of the stirring shaft and is communicated with air passage, air inlet pipe is rotatably connected in one end of the stirring shaft through bearing, and the air inlet pipe is arranged in communication with air passage.

[0010] It needs to be further explained that the air outlet hole is provided with a plurality of air outlet holes and the plurality of air outlet holes are equidistantly distributed.

[0011] As a preferred embodiment, the arc-shaped bottom plate is fixed with a convex plate at one end away from its hinged end, the convex plate is threadedly connected with a bolt, and a threaded hole is opened in the outer lateral wall of the processing box and threadedly cooperates with the bolt.

[0012] As a preferred embodiment, the arc-shaped bottom plate is fixed with a sealing rubber ring on the four peripheral side surfaces.

[0013] Compared with the prior art, the iron ore flotation roughing device provided by the utility model has at least the following beneficial effects:

[0014] (1) The ore at the bottom of the processing box is stirred by the agitator assembly, the movement degree of the ore is improved, the cleaning liquid can enter the gaps of the ore more fully, thereby improving the flotation effect of the ore, and the air flow is uniformly and finely sprayed out from the bottom of the processing box by the bubble outlet assembly, the air flow forms continuous bubbles in the liquid, thereby the small impurities are attached to the bubbles and float to the liquid surface to form foam, the ore flotation is further improved in fullness, and the overall effect of ore flotation is further improved.

[0015] (2) when the ore rough flotation treatment is finished, open the valve on the impurity discharge pipe, so that a large amount of impurities and foam floating on the liquid surface are discharged through the impurity discharge pipe, then open the valve on the liquid discharge pipe, the relatively clean cleaning liquid is discharged through the liquid discharge pipe, convenient for recycling, then open the arc-shaped bottom plate, so that the ore after rough flotation is poured out through the discharge port, effectively improve the convenience of ore taking, improve the taking efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The overall structure of the utility model Figure 1 ;

[0017] Figure 2 The overall structure of the utility model Figure 2 ;

[0018] Figure 3 The internal structure of the processing box of the utility model

[0019] Figure 4 The enlarged structure of A in the Figure 3

[0020] Figure 5 The local structure of the stone stirring assembly of the utility model

[0021] In the figure: 1, stone stirring assembly; 101, stirring shaft; 102, stirring rod; 103, first gear; 104, second gear; 2, bubble discharge assembly; 201, air inlet pipe; 202, air outlet hole; 203, air cavity; 3, processing box; 4, impurity discharge pipe; 5, valve; 6, driving motor; 7, supporting leg; 8, arc-shaped bottom plate; 9, discharge port; 10, lug plate; 11, bolt; 12, liquid inlet pipe; 13, liquid discharge pipe. DETAILED DESCRIPTION

[0022] The utility model will be further described in combination with examples.

[0023] Please refer to Figures 1-5 ​The utility model provides a kind of iron ore concentrate flotation roughing device, including processing box 3, the bottom of processing box 3 is equipped with discharge gate 9, hinged arc bottom plate 8 is equipped in discharge gate 9, the outer lateral wall of processing box 3 is fixed with multiple symmetrical distribution's supporting leg 7, the outer lateral wall of processing box 3 is fixed with driving motor 6, the bottom of processing box 3 is provided with the agitator assembly 1 of driving motor 6 transmission connection, agitator assembly 1 is provided with bubble outlet assembly 2, the outer lateral wall of processing box 3 is fixed with the liquid inlet pipe 12 and the impurity discharge pipe 4 located at the top of processing box 3, the outer lateral wall of processing box 3 is fixed with the liquid discharge pipe 13 located at the bottom of processing box 3, valve 5 is all installed on impurity discharge pipe 4, liquid inlet pipe 12 and liquid discharge pipe 13;When using, iron ore is put into the bottom of processing box 3 by the top opening of processing box 3, and washing water is discharged into the inside of processing box 3 by liquid inlet pipe 12, and certain flotation reagent is added in washing water to configure into washing liquid, and flotation reagent includes collector, frother and regulator, so that ore block is soaked and cleaned by washing liquid, and the particle impurities adhered to the surface of ore block and the mineral particles intercalated therein can float on the liquid surface under the action of the buoyancy of water, to remove the impurities in ore, and ore is preliminarily rough flotation treatment, in this process, agitator assembly 1 is driven by driving motor 6 to work, so that ore in the bottom of processing box 3 is agitated by agitator assembly 1, the movement degree of ore is improved, so that washing liquid more fully enters the gap of ore, so that the flotation effect of ore is improved, and the airflow is evenly and finely sprayed from the bottom of processing box 3 by the bubble outlet assembly 2 arranged, and the airflow forms continuous bubbles in liquid, so that tiny impurities adhere to bubbles and float to the liquid surface to form foam, the fullness of ore flotation is further improved by a large number of bubbles, and the overall effect of ore flotation is further improved;When ore rough flotation treatment is finished, valve 5 on impurity discharge pipe 4 is opened, so that a large amount of impurities floating on the liquid surface are discharged through impurity discharge pipe 4, then valve on liquid discharge pipe 13 is opened, relatively clean washing liquid is discharged through liquid discharge pipe 13, convenient recycling is recycled, then arc bottom plate 8 is opened, so that ore after rough flotation is poured out through discharge gate 9, the convenience of ore taking is effectively improved, and the efficiency of ore taking is improved.

[0024] Further as Figure 2 、 Figure 3 and Figure 5As shown, and particularly described, the stirring assembly 1 comprises a stirring shaft 101 located at the bottom of the processing box 3, both ends of the stirring shaft 101 are rotatably connected with the side wall of the processing box 3, a plurality of stirring rods 102 are fixed on the side of the stirring shaft 101 in a ring shape, a first gear 103 is fixed on one end of the stirring shaft 101, and a second gear 104 engagedly connected with the first gear 103 is fixed on the output end of the driving motor 6; in particular, during operation, the output end of the driving motor 6 drives the second gear 104 to rotate, thereby driving the stirring shaft 101 to rotate through the cooperation of the second gear 104 and the first gear 103, and thereby driving the plurality of stirring rods 102 to stir the ore at the bottom of the processing box 3, improving the movement degree of the ore, so that the cleaning liquid can more fully enter the gaps of the ore, thereby improving the flotation effect of the ore.

[0025] Further as shown in Figure 3 and Figure 5 , and particularly described, the bubble outlet assembly 2 comprises a ventilation cavity 203 opened in the stirring shaft 101, a gas outlet hole 202 is opened on the side of the stirring shaft 101 and communicates with the ventilation cavity 203, and a gas inlet pipe 201 is rotatably connected in one end of the stirring shaft 101 through a bearing, and the gas inlet pipe 201 is communicated with the ventilation cavity 203; the gas inlet pipe 201 is connected with an air pump, air flow is delivered into the ventilation cavity 203 through the gas inlet pipe 201, so that the air flow is uniformly and finely sprayed out from the bottom of the processing box 3 through the plurality of gas outlet holes 202, so that continuous air bubbles are formed in the liquid, so that the tiny impurities are attached to the air bubbles and float to the liquid surface, and the air bubbles further improve the fullness of the ore flotation, and further improve the overall effect of the ore flotation.

[0026] Further as shown in Figure 5 , and particularly described, the gas outlet hole 202 is provided with a plurality of gas outlet holes 202 which are equidistantly distributed; during operation, the air flow sprayed through the plurality of gas outlet holes 202 forms a large number of air bubbles in the liquid, thereby improving the flotation effect.

[0027] The scheme has the following working process: the iron ore concentrate is put into the bottom of the treatment box 3 through the top opening of the treatment box 3, the cleaning water is discharged into the inside of the treatment box 3 through the liquid inlet pipe 12, and a certain amount of flotation reagent is added to the cleaning water to configure the cleaning liquid, the flotation reagent includes collecting agent, foaming agent and adjusting agent, etc., so that the ore block is soaked and cleaned by the cleaning liquid, the particle impurities adhered to the surface of the ore block and the mineral particles intercalated therein can float on the liquid surface under the action of the water buoyancy, so as to remove the impurities in the ore and preliminarily coarsely float the ore, the output end of the driving motor 6 drives the second gear 104 to rotate, so that the second gear 104 and the first gear 103 cooperate to drive the stirring shaft 101 to rotate, so that the plurality of stirring rods 102 driven by the stirring shaft 101 stir the ore at the bottom of the treatment box 3, improve the movement degree of the ore, and make the cleaning liquid more fully enter the gaps of the ore, the gas flow is delivered to the inside of the air chamber 203 through the air inlet pipe 201, so that the gas flow is uniformly and finely sprayed out from the bottom of the treatment box 3 through the plurality of air outlets 202, so that the continuous bubbles are formed in the liquid, and the tiny impurities are attached to the bubbles and floated to the liquid surface to form the impurity-adsorbing foam; when the ore is coarsely floated, the valve 5 on the impurity discharge pipe 4 is opened, so that a large amount of impurities and foam floating on the liquid surface are discharged through the impurity discharge pipe 4, then the valve on the liquid discharge pipe 13 is opened, the relatively clean cleaning liquid is discharged through the liquid discharge pipe 13, and the cleaning liquid is conveniently recycled and reused, and then the arc-shaped bottom plate 8 is opened, so that the ore after coarse flotation is poured out through the discharge port 9.

[0028] Further as shown in Figure 4 , it is worth noting that the convex plate 10 is fixed on one end of the arc-shaped bottom plate 8 away from the hinged end, the screw 11 is threadedly connected on the convex plate 10, and the threaded hole is formed on the outer side wall of the treatment box 3 and threadedly matched with the screw 11; when the arc-shaped bottom plate 8 is closed, the screw rod of the screw 11 is selected into the threaded hole on the outer side wall of the treatment box 3 by rotating the screw 11, so that the arc-shaped bottom plate 8 is locked and the bottom of the treatment box 3 is closed.

[0029] Further as shown in Figure 2 and Figure 3 , it is worth noting that the sealing rubber ring is fixedly attached around the four sides of the arc-shaped bottom plate 8; during specific operation, the arc-shaped bottom plate 8 is sealed and closed by the sealing rubber ring.

[0030] In summary: through the stirring stone assembly 1 to the ore on the bottom of the processing box 3 stirring, improve the degree of movement of the ore, so that the cleaning fluid more fully into the gap of the ore, thereby improving the flotation effect of the ore, at the same time through the setting of the bubble assembly 2 from the bottom of the processing box 3 evenly and finely spray, airflow in the liquid form sustained bubble, thereby small impurities attached to the bubble on the surface of the liquid, through a large number of bubbles further improve the fullness of the ore flotation, further improve the overall effect of the ore flotation; when the ore rough flotation treatment is completed, open the valve 5 on the impurity discharge pipe 4, thereby a large number of impurities floating on the liquid surface through the impurity discharge pipe 4 for discharge, open the valve on the liquid discharge pipe 13, relatively clean cleaning fluid through the liquid discharge pipe 13 discharge, convenient recycling, open the arc-shaped bottom plate 8, thereby the rough flotation of the ore through the discharge port 9 for pouring, effectively improve the ore material convenience, improve the efficiency of taking material.

[0031] The driving motor 6 can be purchased in the market, the driving motor 6 is provided with a power supply, which belongs to the mature technology in the art, has been fully disclosed, therefore the specification is not repeated.

Claims

1. A rougher iron ore concentrate flotation device comprising a treatment tank (3), characterized in that, The bottom of the processing box (3) is provided with a discharge port (9), the discharge port (9) is hinged with an arc-shaped bottom plate (8), a plurality of supporting legs (7) are symmetrically arranged on the outer side wall of the processing box (3), a driving motor (6) is fixed on the outer side wall of the processing box (3), a stone stirring assembly (1) is arranged on the bottom of the processing box (3) and is in driving connection with the driving motor (6), a bubble generating assembly (2) is arranged in the stone stirring assembly (1), a liquid inlet pipe (12) and a impurity discharge pipe (4) are fixed on the outer side wall of the processing box (3) and are located at the top end of the processing box (3), a liquid discharge pipe (13) is fixed on the outer side wall of the processing box (3) and is located at the bottom of the processing box (3), and valves (5) are arranged on the impurity discharge pipe (4), the liquid inlet pipe (12) and the liquid discharge pipe (13).

2. A device for rougher flotation of iron ore concentrates according to claim 1, characterized in that, The stone stirring assembly (1) comprises a stirring shaft (101) arranged at the bottom of the processing box (3), both ends of the stirring shaft (101) are rotatably connected with the side wall of the processing box (3), a plurality of stirring rods (102) are fixed on the side surface of the stirring shaft (101) and are arranged in a ring shape, a first gear (103) is fixed on one end of the stirring shaft (101), and a second gear (104) is fixed on the output end of the driving motor (6) and is in meshing connection with the first gear (103).

3. A rougher iron ore concentrate flotation device according to claim 2, characterised in that, The bubble generating assembly (2) comprises a ventilation cavity (203) arranged in the stirring shaft (101), a gas outlet hole (202) is arranged on the side surface of the stirring shaft (101) and is in communication with the ventilation cavity (203), and an air inlet pipe (201) is rotatably connected with one end of the stirring shaft (101) through a bearing.

4. A rougher iron ore concentrate flotation device according to claim 3, characterised in that, The gas outlet hole (202) is arranged in plurality and is arranged at equal intervals.

5. A rougher iron ore concentrate flotation device as claimed in claim 1, wherein, The arc-shaped bottom plate (8) is fixed with a lug plate (10) away from one end of the hinged end, the lug plate (10) is threadedly connected with a bolt (11), and a threaded hole is arranged on the outer side wall of the processing box (3) and is in threaded connection with the bolt (11).

6. A rougher iron ore concentrate flotation device according to claim 5, characterised in that, The arc-shaped bottom plate (8) is fixed with a sealing rubber ring around the side surface.

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