Dry ore feeding device for sulfur concentrate processing

Abstract

The utility model relates to the technical field of mineral separation in the metallurgical industry, and discloses a dry ore feeding device for sulfur concentrate processing, which comprises a support body, a feeding hopper is arranged in the support body, a feeding port for feeding ore is arranged at the top of the feeding hopper, a discharging port for discharging ore pulp is arranged at the bottom of the feeding hopper, and the feeding hopper is connected with the discharging port. A spiral conveyor for conveying ore pulp outwards is arranged below the discharging port, a stirring structure for spraying water flow into the feeding hopper is fixed to the feeding port, and the stirring structure can conduct high-pressure water spraying and stirring on the ore in the feeding hopper. Attached ore pulp is scoured through the impact force of water flow, and the ore is impacted and stirred through the water flow, so that the discharge amount of the ore pulp is increased, and the ore dressing cost of the whole sulfur concentrate is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metallurgical industry mineral processing, and specifically relates to a dry ore feeding device for processing sulphur concentrate. BACKGROUND

[0002] Mineral processing is a process of separating useful minerals from gangue minerals and removing or reducing harmful impurities according to the physical and chemical properties of different minerals in the ore, and making the various symbiotic (associated) useful minerals as far as possible from each other, in order to obtain the raw materials required for smelting or other industries.

[0003] In the mineral processing of sulphur concentrate, the useful components in the ore are enriched by flotation to obtain high-grade sulphur concentrate. The most important thing in this process is to stably feed the sulphur concentrate ore, so as to ensure the efficiency and quality of mineral processing, and thus improve the high-grade sulphur concentrate.

[0004] However, in the prior art, the sulphur concentrate ore feeding machine usually needs to be stirred by stirring blades under the driving power, so that the ore and water are mixed to form ore pulp, which greatly increases the power cost. In the stirring process, the ore pulp is easily attached to the stirring blades, so that part of the ore pulp cannot be discharged, reducing the ore pulp discharge amount and increasing the mineral processing cost of the whole sulphur concentrate. SUMMARY

[0005] The utility model intends to provide a dry ore feeding device for processing sulphur concentrate, which can improve the ore pulp discharge amount and thus reduce the mineral processing cost of the whole sulphur concentrate.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] 1) A dry ore feeding device for processing sulphur concentrate, comprising a support body, a feeding hopper is arranged in the support body, a feeding port for feeding ore is arranged at the top of the feeding hopper, an outlet for discharging ore pulp is arranged at the bottom of the feeding hopper, a spiral conveyor for conveying ore pulp outward is arranged below the outlet, a stirring structure for spraying water flow into the feeding hopper is fixed on the feeding port, and the stirring structure can spray water on the ore in the feeding hopper under high pressure and stir the ore.

[0008] The utility model discloses a feeding hopper for processing dry ore of sulphur concentrate, which comprises a feeding hopper, a feeding inlet, a feeding outlet, a spiral conveyor, a water supply pipe, a spray pipe and a spray head pipe.

[0009] 2) The dry ore feeding device for processing sulphur concentrate according to 1), wherein:

[0010] The stirring structure comprises a water supply pipe fixed to the outer wall of the feeding hopper, and the water outlet of the water supply pipe is connected with the spray pipe, the spray pipe is installed on the support body, and the spray pipe extends into the feeding hopper through the feeding inlet, and the water outlet of the spray pipe faces the inner side wall of the feeding hopper.

[0011] The utility model discloses a water supply pipe is used for conveying high-pressure water flow into the spray pipe, and the spray pipe extends into the feeding hopper through the feeding inlet, so that the water outlet of the spray pipe is close to the inside of the feeding hopper, and the water outlet of the spray pipe faces the inner side wall of the feeding hopper, so that the high-pressure water flow sprayed from the water outlet of the spray pipe directly impacts on the inner side wall of the feeding hopper, and the high-pressure water flow washes away the ore slurry attached to the feeding hopper, at the same time, the high-pressure water flow flows along the direction of the inner side wall of the feeding hopper, so as to form a vortex, and the ore slurry is mixed with the ore in the feeding hopper to form ore slurry, and the stirring of the water flow and the ore is realized without power.

[0012] 3) The dry ore feeding device for processing sulphur concentrate according to 2), wherein:

[0013] The water outlet of the spray pipe is connected with the spray head pipe, the spray head pipe is provided with a plurality of rotatable nozzles, and the plurality of nozzles can spray high-pressure water flow in different directions.

[0014] The utility model discloses a spray head pipe is used for dividing the high-pressure water flow in the water outlet of the spray pipe, rotating the nozzles at each position to change the spraying direction of the nozzles, at the same time, the same structure at the same position can ensure that the water pressure of the high-pressure water flow is the same, the impact force of the high-pressure water flow sprayed from each nozzle is the same, so as to ensure that the stirring force of the ore is the same.

[0015] For example, several nozzles can be all directed towards the feeding path of the feeding hopper where the ore falls, and the impact force formed by the ore falling downward due to gravity coincides with the impact force of the high-pressure water flow of all nozzles, so that initial high shear force is generated between the two, so that the water flow and the ore are fully and uniformly mixed to form the ore slurry.

[0016] 4) The dry ore feeding device for processing sulfur concentrate according to 3), wherein:

[0017] The nozzle pipe comprises a first connecting pipe and second connecting pipes located at two ends of the first connecting pipe, both ends of the first connecting pipe are rotationally connected with shaft sleeves, each shaft sleeve is rotationally connected with a second connecting pipe, and the side of the first connecting pipe and the second connecting pipes away from the jet pipe is in communication with the nozzles corresponding in position.

[0018] The utility model discloses a rotation performance of shaft sleeve can change the rotation direction of the second connecting pipe located at the two ends of the first connecting pipe, thereby realizing driving the rotation direction of the nozzles corresponding in position away from the side of the jet pipe, so that the nozzles can direct the high-pressure water flow stirring in different positions in the feeding hopper according to the use requirement, thereby realizing multi-directional flushing and stirring.

[0019] 5) The dry ore feeding device for processing sulfur concentrate according to 4), wherein:

[0020] The central axis of the first connecting pipe is perpendicular to the central axis of the jet pipe. The utility model discloses the positional relationship between the first connecting pipe and the jet pipe can guarantee the water pressure in the high-pressure water flow delivered by the jet pipe to the first connecting pipe, so that the several nozzles can synchronously spray the feeding hopper with the same water pressure and perform impact stirring on the ore in the feeding hopper.

[0021] 6) The dry ore feeding device for processing sulfur concentrate according to 1), wherein:

[0022] The support body has four supporting columns, reinforcing ribs in "X" structure are welded between each adjacent supporting column, supporting columns are arranged on the bottom of the adjacent supporting columns on one side of the support body, and the supporting columns are formed by pouring concrete.

[0023] The reinforcing ribs in "X" structure can strengthen the support body, thereby improving the supporting capacity of the feeding hopper. Meanwhile, the supporting columns formed by pouring concrete are connected with the adjacent supporting columns on one side of the supporting frame, so that the support body is fixed and the supporting capacity is improved.

[0024] 7) The dry ore feeding device for processing sulfur concentrate according to 1), wherein:

[0025] The discharge outlet of the feeding hopper is provided with downwardly extending side baffles on both sides, the screw conveyor is provided with a servo motor for driving the screw conveyor, and the servo motor is located between the adjacent side baffles.

[0026] The servo motor is protected by the side baffles, and the side baffles also prevent the discharged ore pulp from splashing to other places.

[0027] Compared with the prior art, the dry ore feeding device for processing sulphur concentrate has the following technical effects:

[0028] The dry ore feeding device for processing sulphur concentrate comprises a feeding hopper, a plurality of nozzles, a servo motor and a screw conveyor. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a side view of the dry ore feeding device for processing sulphur concentrate.

[0030] Figure 2 It is a front view of the dry ore feeding device for processing sulphur concentrate.

[0031] Figure 3 It is a structural schematic view of the injection pipe in the dry ore feeding device for processing sulphur concentrate. DETAILED DESCRIPTION

[0032] The specific embodiments are further described in detail as follows:

[0033] The reference signs in the drawings of the specification comprise a support body 1, a feeding hopper 2, a reinforcing rib 3, a support column 4, a side baffle 5, a servo motor 6, a screw conveyor 7, an injection pipe 8, a discharge outlet 9, a water delivery pipe 10, a first connecting pipe 11, a second connecting pipe 12 and a nozzle 13.

[0034] Embodiment, see Figure 1 and Figure 2As shown, the dry ore feeding device for processing a kind of sulphur concentrate in the embodiment, including support body 1, support body 1 is equipped with feeding hopper 2, the top of feeding hopper 2 is equipped with the feeding port for ore deposit, the bottom of feeding hopper 2 is equipped with the discharge outlet 9 for slurry discharge, the lower side of discharge outlet 9 is equipped with the spiral conveyor 7 for slurry outward transport, the feeding port is fixed with the stirring structure for the water flow injection in feeding hopper 2, stirring structure can carry out high-pressure water spray and stirring to ore in feeding hopper 2.

[0035] By feeding port, ore is deposited in feeding hopper 2, in the process of ore deposit, simultaneously let stirring structure carry out water flow injection in feeding hopper 2, and the impact force of high-pressure water spray is used to mix and stir ore, and the slurry attached to the inner side wall of feeding hopper 2 can be washed, in the process of washing, the slurry attached under the impact force of water flow mixes with ore, and ore is impacted and mixed with water flow with impact force, so as to realize the mixing and stirring between water flow and ore, and additional power output is not needed;The slurry formed after the mixing and stirring of water flow and ore is discharged through discharge outlet 9 and falls into spiral conveyor 7, in the process of spiral conveyor 7 transport, the rotation force of spiral conveyor 7 is used to stir slurry again, so as to strengthen the stirring effect of slurry, therefore, the slurry discharge capacity is improved by the water flow impact force to wash the slurry attached and the water flow impact stirring to ore, and the beneficiation cost of entire sulphur concentrate is reduced.

[0036] Secondly, the both sides of discharge outlet 9 of feeding hopper 2 are respectively equipped with downwardly extending side baffle 5, spiral conveyor 7 has servo motor 6 for driving spiral conveyor 7, and servo motor 6 is located between adjacent side baffles 5.

[0037] The embodiment drives spiral conveyor 7 to run by servo motor 6, and servo motor 6 is arranged between side baffles 5 on both sides of discharge outlet 9, so as to protect servo motor 6 by side baffles 5, and side baffles 5 also block slurry discharged from discharge outlet 9 from splashing to other places.

[0038] In addition, support body 1 has four foot columns, and reinforcing rib 3 in "X" structure is welded between each adjacent foot column, support column 4 is arranged on the bottom of adjacent foot column on one side of support body 1, and support column 4 is formed by pouring concrete.

[0039] The reinforcing rib 3 in "X" structure can strengthen support body 1, so as to improve the supporting capacity of feeding hopper 2, and the support column 4 formed by pouring concrete is connected with adjacent foot column on one side of support frame, so as to fix support body 1 and improve the supporting capacity.

[0040] Referring to Figure 2 And Figure 3As shown, the stirring structure in the embodiment includes a water delivery pipe 10 fixed to the outer wall of the feeding hopper 2, and the water outlet of the water delivery pipe 10 is communicated with a spray pipe 8, the spray pipe 8 is installed on the support body 1, and the spray pipe 8 extends into the feeding hopper 2 through the feeding port, and the water outlet of the spray pipe 8 faces the inner side wall of the feeding hopper 2.

[0041] The high-pressure water flow is delivered into the spray pipe 8 through the water delivery pipe 10, the spray pipe 8 extends into the feeding hopper 2 through the feeding port, so that the water outlet of the spray pipe 8 is close to the inside of the feeding hopper 2, and the water outlet of the spray pipe 8 faces the inner side wall of the feeding hopper 2, so that the high-pressure water flow sprayed from the water outlet of the spray pipe 8 directly impacts on the inner side wall of the feeding hopper 2, the high-pressure water flow washes away the ore pulp attached to the feeding hopper 2, at the same time, the high-pressure water flow flows along the direction of the inner side wall of the feeding hopper 2, thereby forming a vortex, and mixing with the ore in the feeding hopper 2 to form ore pulp, and realizing the stirring of the water flow and the ore without power.

[0042] Referring to Figure 3 As shown, the water outlet of the spray pipe 8 in the embodiment is communicated with a spray head pipe, and the spray head pipe has a plurality of rotatable nozzles 13, and the plurality of nozzles 13 can spray high-pressure water flow in different directions.

[0043] The spray head pipe realizes the shunting of the high-pressure water flow in the water outlet of the spray pipe 8, and the nozzles 13 at each position are rotated to change the spraying direction of the nozzles 13, at the same time, the same structure at the same position can ensure that the water pressure of the high-pressure water flow is the same, and the impact force of the high-pressure water flow sprayed by each nozzle 13 is the same, thereby realizing the same stirring force on the ore.

[0044] For example, the plurality of nozzles 13 can all be directed to the feeding path of the ore falling into the feeding hopper 2, the impact force of the ore falling downward due to gravity is coincided with the impact force of the high-pressure water flow of all the nozzles 13, and the initial high shear force is generated between the two, so that the water flow and the ore are fully and uniformly mixed to form ore pulp.

[0045] In order to make the spray head pipe have a rotating function, the spray head pipe in the embodiment includes a first connecting pipe 11 and a second connecting pipe 12 located at both ends of the first connecting pipe 11, and the two ends of the first connecting pipe 11 are respectively rotatably connected with a shaft sleeve, and each shaft sleeve is rotatably connected with the second connecting pipe 12, and the side of the first connecting pipe 11 and the second connecting pipe 12 away from the spray pipe 8 is communicated with the corresponding nozzles 13.

[0046] The embodiment utilizes the rotating performance of the shaft sleeve, can change the rotating direction of the second connecting pipe 12 located at both ends of the first connecting pipe 11, thereby realizing the rotating direction of the second connecting pipe 12 away from the side of the jet pipe 8 and the corresponding nozzle 13, so that the nozzle 13 is oriented according to the use requirement to stir the high-pressure water flow in different positions in the feeding hopper 2, thereby realizing multi-directional flushing and stirring.

[0047] On this basis, the central axis of the first connecting pipe 11 is perpendicular to the central axis of the jet pipe 8 in the embodiment. The positional relationship between the first connecting pipe 11 and the jet pipe 8 is designed to ensure the water pressure in the high-pressure water flow delivered by the jet pipe 8 to the first connecting pipe 11, so that the plurality of nozzles 13 can synchronously spray the high-pressure water with the same water pressure into the feeding hopper 2 and perform force stirring on the ore in the feeding hopper 2.

[0048] The twice stirring is adopted, the first stirring is performed by the high-pressure jet water flow mode of the plurality of nozzles 13 in different directions, and the ore in the feeding hopper 2 is initially stirred, and the ore slurry attached to the inner side wall of the feeding hopper 2 can be washed away, and the quantitative ore slurry in the feeding hopper 2 is discharged; the second stirring is performed by the spiral conveying of the spiral conveyor 7, and the ore slurry can be stirred again in the conveying process; compared with the prior art, the embodiment uses electricity in the spiral conveyor 7, and does not use redundant stirring equipment, greatly reduces the output of electricity, and at the same time, the plurality of nozzles 13 and the high-pressure jet water flow direction in different directions of the plurality of nozzles 13 can improve the ore slurry discharge capacity, thereby reducing the beneficiation cost of the whole sulfur concentrate.

[0049] The above is only an embodiment of the present application, and the specific technical solutions and / or common knowledge of the scheme are not described in detail. It should be noted that for those skilled in the art, without departing from the technical solutions of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A dry ore feeding device for processing sulfur concentrate, characterized in that, The device includes a support body, a feeding hopper inside the support body, an inlet for feeding ore at the top of the feeding hopper, an outlet for discharging slurry at the bottom of the feeding hopper, a screw conveyor for conveying the slurry outward below the outlet, and a stirring structure for spraying water into the feeding hopper fixed on the inlet. The stirring structure can spray water at high pressure and stir the ore in the feeding hopper. The stirring structure includes a water supply pipe fixed to the outer wall of the feeding hopper, the outlet of the water supply pipe being connected to a spray pipe, the spray pipe being mounted on a support body and extending into the feeding hopper through the feed inlet, the outlet of the spray pipe facing the inner wall of the feeding hopper; the outlet of the spray pipe being connected to a nozzle pipe, the nozzle pipe having several rotatable nozzles, the several nozzles being able to spray high-pressure water flow in different directions.

2. The dry ore feeding device for sulfur concentrate processing according to claim 1, characterized in that: The nozzle tube includes a first connecting tube and a second connecting tube located at both ends of the first connecting tube. Each end of the first connecting tube is rotatably connected to a bushing, and each bushing is rotatably connected to the second connecting tube. The sides of the first connecting tube and the second connecting tube opposite to the spray tube are connected to the nozzles corresponding to their positions.

3. The dry ore feeding device for sulfur concentrate processing according to claim 2, characterized in that: The central axis of the first connecting pipe is perpendicular to the central axis of the injection pipe.

4. A dry ore feeding device for processing sulfur concentrate according to claim 1, characterized in that: The support structure has four support columns, and a reinforcing rib in an "X" structure is welded between each adjacent support column. A support column is provided at the bottom of the adjacent support column on one side of the support structure. The support column is made of cast concrete.

5. A dry ore feeding device for processing sulfur concentrate according to claim 1, characterized in that: The feed hopper has downward-extending side baffles on both sides of the discharge port, and the screw conveyor has a servo motor that drives the screw conveyor, with the servo motor located between adjacent side baffles.

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