Dense medium separation equipment for coal mine

Abstract

The utility model discloses dense medium separation equipment for a coal mine, which comprises a dense medium shallow slot separator body, and an efficient heavy suspension liquid recovery device is mounted at a discharge end of the dense medium shallow slot separator body. According to the efficient heavy suspension liquid recovery device, heavy suspension liquid carried by discharged waste rocks can be well recovered, waste is reduced, the waste rocks sinking to the bottom are scraped out of the discharging groove through the scraping mechanism and enter the centrifugal cylinder, and the waste is reduced. Under the action of a second motor, a centrifugal barrel rotates at a high speed, heavy suspension liquid carried by gangue is thrown out and stored in a recycling box, and therefore the heavy suspension liquid is prevented from splashing out, waste is reduced, the thrown-out heavy suspension liquid can be collected through an arranged flow guide plate and a liquid outlet pipe, and the inclined material pouring assembly is arranged, so that the waste of the heavy suspension liquid is reduced. And a movable plate moves under the action of a first motor, the recycling box can incline through a guide rod, and gangue in the centrifugal cylinder can be dumped out by opening a threaded cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine equipment, concretely to a heavy medium sorting equipment of coal mine. BACKGROUND

[0002] Heavy medium sorting refers to the process of sorting in heavy suspension medium, which uses the principle of float and sink to separate minerals with different specific gravities in direct fluid or two-phase fluid, and the mineral particles with small specific gravity float up, and the mineral particles with large specific gravity sink down, so as to achieve the purpose of sorting, and the sorting of the coal mine can sort clean coal and gangue through the heavy medium shallow groove sorting equipment.

[0003] The prior art discloses a shallow groove sorting machine, which comprises a machine body, a group of rotating shafts are rotationally connected in the machine body, two chain wheels are symmetrically and fixedly arranged on the rotating shafts, chains are transmissionally connected between the chain wheels on the same side, a scraping structure is arranged between the chains, the shaft end of the rotating shaft at the right top end penetrates through the machine body and is fixedly connected with a driven wheel, a motor is installed on the upper end surface of the machine body, a driving wheel is fixedly connected with the driving end of the motor, the driving wheel is transmissionally connected with the driven wheel through a belt, and a screening structure is arranged on the lower side of the right end of the machine body.

[0004] The above technical scheme makes the gangue falling on the screen plate vibrate under the action of the spring, so that the heavy suspension liquid carried by the gangue is recycled, but due to the elasticity of the spring, some heavy suspension liquid may also be bounced and splashed out during the shaking process, resulting in poor recycling effect of the heavy suspension liquid. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a heavy medium sorting equipment of coal mine to solve the problems in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a heavy medium sorting equipment of coal mine, which comprises a heavy medium shallow groove sorting machine body, and a heavy suspension liquid efficient recycling device is installed at the discharge end of the heavy medium shallow groove sorting machine body.

[0007] The heavy suspension liquid efficient recycling device comprises a recycling box, a centrifugal separation assembly is rotationally installed in the recycling box, the centrifugal separation assembly comprises a centrifugal cylinder, the centrifugal cylinder is rotationally connected on both sides of the recycling box through bearings, a flexible sealing ring is arranged on the outer surface of one end of the centrifugal cylinder close to the heavy medium shallow groove sorting machine body, a discharging channel is fixedly connected to the other end of the centrifugal cylinder, and a threaded cover is screw-connected in the discharging channel.

[0008] The above technical scheme is characterized in that the centrifugal cylinder is driven to rotate at high speed by the motor II, so that the heavy suspension carried by the gangue is thrown out and stored in the recovery tank, thereby avoiding splashing of the heavy suspension and reducing waste.

[0009] Further preferably, the heavy medium shallow slot separator body is provided with an inlet slot on one side, an outlet slot on the other side, and a scraping mechanism is transmissionally installed inside the heavy medium shallow slot separator body, and the heavy medium shallow slot separator body is fixedly connected with a discharge slot at the bottom side of the discharge end.

[0010] In the above technical scheme, the gangue settled at the bottom is scraped out of the discharge slot by the scraping mechanism and into the centrifugal cylinder.

[0011] Further preferably, the outlet end of the discharge slot is aligned with the opening of one end of the centrifugal cylinder, and the outer surface of the outlet end of the discharge slot is in contact with the flexible sealing ring.

[0012] In the above technical scheme, the flexible sealing ring is provided to avoid leakage at the connection.

[0013] Further preferably, the recovery tank is provided with a motor II at the end away from the heavy medium shallow slot separator body, and the motor II is connected with the discharge channel through a conveyor belt.

[0014] Further preferably, the heavy suspension efficient recovery device further comprises a bottom plate, the bottom plate is provided with a limiting slot at one end close to the heavy medium shallow slot separator body, and an inclined discharging assembly is installed at one end of the bottom plate close to the heavy medium shallow slot separator body.

[0015] Further preferably, the inclined discharging assembly comprises a screw rod, a motor I is provided at one end of the screw rod, a movable plate is threadedly connected to the outer side of the screw rod, the movable plate is slidably connected with the limiting slot, a connecting piece I is provided on both ends of the movable plate, and a guide rod is movably connected to the connecting piece I.

[0016] In the above technical scheme, the movable plate is moved under the action of the motor I, the recovery tank is inclined through the guide rod, the gangue in the centrifugal cylinder can be poured out by opening the threaded cap, and the discharge is facilitated.

[0017] Further preferably, a guide plate is provided at the bottom side of the recovery tank, a liquid outlet pipe is provided at the front end of the recovery tank, a valve is provided on the liquid outlet pipe, a connecting piece II is provided at the bottom side of the recovery tank away from the heavy medium shallow slot separator body, the connecting piece II is connected with the bottom plate at the bottom side, and the guide rod is connected with the recovery tank through a connecting piece III.

[0018] In the technical scheme, the guide plate and the liquid outlet pipe can collect the heavy suspension liquid.

[0019] The coal mine heavy medium separation equipment has the following beneficial effects:

[0020] (1) The heavy suspension liquid efficient recovery device is installed to recover the heavy suspension liquid carried by the gangue, reduce waste, and the gangue at the bottom is scraped out of the discharge chute through the scraping mechanism and enters the centrifugal cylinder, the centrifugal cylinder is rotated at high speed under the action of the motor two, the heavy suspension liquid carried by the gangue is thrown out, and is stored in the recovery box, so that the heavy suspension liquid is prevented from splashing out and waste is reduced, and the guide plate and the liquid outlet pipe can collect the heavy suspension liquid thrown out.

[0021] (2) The tilting and discharging assembly is arranged, the movable plate moves under the action of the motor one, the recovery box is tilted through the guide rod, the gangue in the centrifugal cylinder can be poured out by opening the threaded cap, and the discharging is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of the whole heavy medium separation equipment of the utility model;

[0023] Figure 2 It is a structure schematic view of the heavy suspension liquid efficient recovery device of the utility model;

[0024] Figure 3 It is a structure schematic view of the centrifugal separation assembly of the utility model;

[0025] Figure 4 It is a partial sectional view of the recovery box of the utility model;

[0026] In the drawing: 1, heavy medium shallow groove separator body; 11, feed chute; 12, discharge chute; 13, scraping mechanism; 14, discharge chute; 2, heavy suspension liquid efficient recovery device; 21, bottom plate; 211, limiting groove; 22, tilting and discharging assembly; 221, screw rod; 222, motor one; 223, movable plate; 224, connecting piece one; 225, guide rod; 23, recovery box; 231, guide plate; 232, liquid outlet pipe; 233, connecting piece two; 24, centrifugal separation assembly; 241, centrifugal cylinder; 242, flexible sealing ring; 243, threaded cap; 244, motor two; 245, discharging channel. DETAILED DESCRIPTION

[0027] The technical scheme in the utility model embodiment will be clearly and completely described in combination with the drawings in the utility model embodiment.

[0028] The utility model provides technical scheme: as shown inFigure 1 As shown in the figure, in this embodiment, a heavy medium separation device for coal mine includes a heavy medium shallow tank separator body 1, a heavy suspension high-efficiency recovery device 2 is installed at the discharge end of the heavy medium shallow tank separator body 1, a feeding groove 11 is formed on one side of the heavy medium shallow tank separator body 1, a discharging groove 12 is formed on the other side of the heavy medium shallow tank separator body 1, a scraping mechanism 13 is transmissionally installed inside the heavy medium shallow tank separator body 1, and a discharging groove 14 is fixedly connected to the bottom side of the discharge end of the heavy medium shallow tank separator body 1.

[0029] As shown in the figure, Figure 2 and Figure 4 As shown in the figure, the heavy suspension high-efficiency recovery device 2 includes a recovery box 23, a centrifugal separation assembly 24 is rotationally installed inside the recovery box 23, the centrifugal separation assembly 24 further includes a centrifugal cylinder 241, the centrifugal cylinder 241 is rotationally connected to both sides of the recovery box 23 through bearings, a flexible sealing ring 242 is arranged on the outer surface of one end of the centrifugal cylinder 241 close to the heavy medium shallow tank separator body 1, a discharging channel 245 is fixedly connected to the other end of the centrifugal cylinder 241, a threaded cover 243 is threadedly connected inside the discharging channel 245, the outlet end of the discharging groove 14 is aligned with the opening of one end of the centrifugal cylinder 241, the outer surface of the outlet end of the discharging groove 14 is in contact with the flexible sealing ring 242, a motor two 244 is installed on the end of the recovery box 23 away from the heavy medium shallow tank separator body 1, the motor two 244 is connected with the discharging channel 245 through a conveying belt, the installation of the heavy suspension high-efficiency recovery device 2 can well recover the heavy suspension carried by the gangue discharged, reduce waste, the gangue sinking to the bottom is scraped out from the discharging groove 14 through the scraping mechanism 13 and enters the centrifugal cylinder 241, the centrifugal cylinder 241 is rotated at high speed under the action of the motor two 244, thereby the heavy suspension carried by the gangue is thrown out and stored inside the recovery box 23, thereby avoiding the splashing of the heavy suspension and reducing waste, the flow guide plate 231 and the liquid outlet pipe 232 can collect the heavy suspension thrown out.

[0030] As shown in the figure, Figure 2 and Figure 3As shown, the re-suspension high-efficiency recovery device 2 further comprises a bottom plate 21, the bottom plate 21 is provided with a limiting groove 211 close to one end of the dense medium shallow groove separator body 1, the bottom plate 21 is provided with an inclined pouring assembly 22 close to one end of the dense medium shallow groove separator body 1, the inclined pouring assembly 22 comprises a screw rod 221, one end of the screw rod 221 is provided with a motor one 222, the outer side of the screw rod 221 is threadedly connected with a movable plate 223, the movable plate 223 is slidably connected with the limiting groove 211, the movable plate 223 is provided with a connecting piece one 224 on the front and rear ends, the connecting piece one 224 is movably connected with a guide rod 225, the bottom side of the inside of a recovery tank 23 is provided with a flow guide plate 231, the front end of the recovery tank 23 is provided with a liquid outlet pipe 232, the liquid outlet pipe 232 is provided with a valve, the bottom side of the recovery tank 23 away from the dense medium shallow groove separator body 1 is provided with a connecting piece two 233, the connecting piece two 233 is connected with the bottom plate 21, the guide rod 225 is connected with the recovery tank 23 through a connecting piece three, the movable plate 223 is moved under the action of the motor one 222, the recovery tank 23 is inclined through the guide rod 225, the gangue in the centrifugal cylinder 241 can be poured out by opening the threaded cap 243, and the discharging is facilitated.

[0031] The utility model provides a kind of heavy medium sorting equipment of coal mine, specific working principle is as follows: when coal mine is sorted, coal mine is added into by feed slot 11, clean coal is discharged by discharge slot 12 by re-suspension, gangue that sinks bottom is scraped out part by discharge slot 14 by scraping mechanism 13, until rolling into centrifugal cylinder 241, motor two 244 is started to drive discharge passage 245 rotation, and then centrifugal cylinder 241 is rotated to carry out centrifugal separation to re-suspension of gangue in inside, and re-suspension that is thrown out is collected in recovery tank 23, and is discharged by flow guide plate 231 and liquid outlet pipe 232;Gangue that is centrifuged can open threaded cap 243, then motor one 222 is started to drive screw rod 221 rotation, so that movable plate 223 is slid on limiting groove 211, recovery tank 23 is inclined by guide rod 225, gangue in inside is poured out, and the next centrifugal separation can be carried out after reset.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dense medium separation plant for a coal mine, including a dense medium bath separator body (1), characterised in that: The heavy medium shallow slot sorting machine body (1) is provided with a heavy suspension liquid high-efficiency recovery device (2) at the discharge end. The heavy suspension liquid high-efficiency recovery device (2) comprises a recovery box (23), a centrifugal separation assembly (24) is rotatably arranged in the recovery box (23), the centrifugal separation assembly (24) further comprises a centrifugal cylinder (241), the centrifugal cylinder (241) is rotatably connected to the two sides of the recovery box (23) through bearings, a flexible sealing ring (242) is arranged on the outer surface of one end of the centrifugal cylinder (241) close to the heavy medium shallow slot sorting machine body (1), and a discharge channel (245) is fixedly connected to the other end of the centrifugal cylinder (241).

2. A dense medium separation plant for a coal mine as claimed in claim 1, characterised in that: The heavy medium shallow slot sorting machine body (1) is provided with a feeding groove (11) on one side, a discharge groove (12) on the other side, a scraping mechanism (13) is drivingly arranged in the heavy medium shallow slot sorting machine body (1), and a discharge groove (14) is fixedly connected to the bottom side of the discharge end of the heavy medium shallow slot sorting machine body (1).

3. A dense medium separation plant for a coal mine as claimed in claim 2, characterised in that: The outlet end of the discharge groove (14) is aligned with the opening of one end of the centrifugal cylinder (241), and the outer surface of the outlet end of the discharge groove (14) is in contact with the flexible sealing ring (242).

4. A dense medium separation plant for a coal mine as claimed in claim 1, characterised in that: A motor two (244) is arranged on the end of the recovery box (23) away from the heavy medium shallow slot sorting machine body (1), and the motor two (244) is connected with the discharge channel (245) through a conveying belt.

5. A dense medium separation plant for a coal mine as claimed in claim 1, characterised in that: The heavy suspension liquid high-efficiency recovery device (2) further comprises a bottom plate (21), a limiting groove (211) is formed in one end of the bottom plate (21) close to the heavy medium shallow slot sorting machine body (1), and an inclined discharging assembly (22) is arranged on one end of the bottom plate (21) close to the heavy medium shallow slot sorting machine body (1).

6. A dense medium separation plant for a coal mine as claimed in claim 5 wherein: The inclined discharging assembly (22) comprises a screw rod (221), a motor one (222) is arranged on one end of the screw rod (221), an activity plate (223) is threadedly connected to the outer side of the screw rod (221), the activity plate (223) is slidingly connected with the limiting groove (211), connecting pieces one (224) are arranged on the front and rear ends of the activity plate (223), and guide rods (225) are movably connected to the connecting pieces one (224).

7. A dense medium separation plant for a coal mine as claimed in claim 6, characterised in that: A guide plate (231) is arranged on the bottom side in the recovery box (23), an outlet pipe (232) is arranged on the front end of the recovery box (23), a valve is arranged on the outlet pipe (232), a connecting piece two (233) is arranged on the bottom side of the recovery box (23) away from the heavy medium shallow slot sorting machine body (1), the connecting piece two (233) is connected with the bottom plate (21), and the guide rods (225) are connected with the recovery box (23) through connecting pieces three.

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