Cleaning type centrifugal machine for coal selecting and washing

Abstract

The utility model discloses a cleaning type centrifugal machine for coal selecting and washing, which belongs to the technical field of coal selecting and washing and comprises an annular support plate, a protective cover is fixedly connected to the upper surface of the annular support plate, an upper annular pipe and a lower annular pipe are respectively arranged outside the protective cover, a plurality of upper high-pressure nozzles are fixedly communicated with the inner ring of the upper annular pipe, and a plurality of lower high-pressure nozzles are fixedly communicated with the inner ring of the lower annular pipe. The inner ring of the lower annular pipe fixedly communicates with a plurality of lower high-pressure spray heads, the ends, close to each other, of the upper high-pressure spray heads and the ends, close to each other, of the lower high-pressure spray heads penetrate through the protective cover and extend into the protective cover, and a driving motor is arranged below the annular supporting plate; and a driving shaft is fixedly installed at the output end of the driving motor, a centrifugal cylinder is fixedly installed at the top end of the driving shaft, and a cleaning brush plate is fixedly connected to the inner ring of the protective cover. According to the cleaning type centrifugal machine for coal selecting and washing, coal on the surface of the centrifugal barrel can be rapidly cleaned, and the dewatering effect of the centrifugal machine on subsequent coal is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of washing and selecting coal, and specifically relates to a clean centrifuge for washing and selecting coal. BACKGROUND

[0002] Washing and selecting coal is to separate raw coal with different components and specific gravities into different grades through the impact of water flow, remove dust and waste rock, and reduce the content of ash and sulfur, which is called coal washing.

[0003] During the process of washing and selecting coal, a centrifuge is needed to dehydrate coal, but the coal after washing and selecting will increase the viscosity and easily cause adhesion on the surface of the centrifuge drum, which is difficult to clean. The coal on the surface of the centrifuge drum will affect the dehydration effect of the centrifuge on the subsequent coal. Therefore, the technical personnel in the field provide a clean centrifuge for washing and selecting coal to solve the problems in the background technology. SUMMARY

[0004] The utility model discloses a kind of clean centrifuges for washing and selecting coal, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of clean centrifuge for washing and selecting coal, including annular support plate, the upper surface of the annular support plate is fixedly connected with protective cover, the outer portion of the protective cover is equipped with upper annular pipe and lower annular pipe respectively, the inner circle of the upper annular pipe is fixedly communicated with multiple upper high-pressure nozzles, the inner circle of the lower annular pipe is fixedly communicated with multiple lower high-pressure nozzles, the end of each upper high-pressure nozzle and the end of each lower high-pressure nozzle are close to each other and extend to the inside of protective cover, the lower of the annular support plate is equipped with drive motor, the output end of the drive motor is fixedly installed with driving shaft, the top of the driving shaft is fixedly installed with centrifuge drum, the inner circle of the protective cover is fixedly connected with cleaning brush plate, the left side surface of the cleaning brush plate is in contact with the outer surface of centrifuge drum.

[0007] As a further scheme of the utility model: the inside of the protective cover is equipped with drain pipe, the bottom end of the drain pipe penetrates annular support plate and extends to the lower of annular support plate, the right end of the drain pipe is fixedly communicated with drain connector.

[0008] As a further scheme of the utility model: the lower of the annular support plate is equipped with base, the upper surface of the base is fixedly installed with driving cover, the upper surface of the driving cover is fixedly embedded with bearing, the inner circle of the bearing is fixedly connected with the outer surface of driving shaft.

[0009] As a further scheme of the utility model: the outer surface of the protective cover is fixedly connected with a threaded connecting seat, the inner wall of the threaded connecting seat is threadedly connected with a threaded connecting ring, and the inner ring of the threaded connecting ring is fixedly connected with a material feeding hopper.

[0010] As a further scheme of the utility model: the outer surface of the upper annular pipe and the outer surface of the lower annular pipe are fixedly and communicatively connected with a communicating pipe, the outer surface of the communicating pipe is fixedly and communicatively connected with a water feeding connector, and the outer surface of the water feeding connector is fixedly and communicatively connected with a control valve.

[0011] As a further scheme of the utility model: the upper surface of the base is fixedly connected with a plurality of supporting columns, and the top end of each supporting column is fixedly connected with the bottom surface of the annular supporting plate.

[0012] As a further scheme of the utility model: the bottom surface of the centrifugal cylinder is provided with a plurality of discharge holes, and the inner ring of the centrifugal cylinder is fixedly connected with a flow guide plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The clean centrifuge for washing and selecting coal can realize rapid solid-liquid separation of coal through the rotation of the driving motor and the driving shaft to drive the centrifugal cylinder to generate centrifugal force and discharge water outward, and can realize rapid cleaning of the surface of the centrifugal cylinder through the clean brush plate arranged in the protective cover, the upper annular pipe, the lower annular pipe, the plurality of upper high-pressure nozzles and the plurality of lower high-pressure nozzles, thereby improving the dehydration effect of the centrifuge on subsequent coal. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a perspective structural schematic view of a front view of the clean centrifuge for washing and selecting coal.

[0016] Fig. 2 It is a sectional view of a front view of the clean centrifuge for washing and selecting coal.

[0017] Fig. 3 It is a perspective structural schematic view of a rear view of the protective cover in the clean centrifuge for washing and selecting coal.

[0018] Fig. 4 It is a perspective structural schematic view of a bottom view of the annular supporting plate in the clean centrifuge for washing and selecting coal.

[0019] In the figure: 1, annular support plate; 2, protective cover; 3, lower annular pipe; 4, upper annular pipe; 5, lower high-pressure nozzle; 6, upper high-pressure nozzle; 7, communication pipe; 8, water injection joint; 9, driving motor; 10, driving shaft; 11, centrifugal cylinder; 12, guide plate; 13, cleaning brush plate; 14, threaded connection seat; 15, threaded connection ring; 16, charging hopper; 17, drain pipe; 18, drain joint; 19, driving cover; 20, base; 21, support column; 22, discharge hole; 23, control valve; 24, bearing. DETAILED DESCRIPTION

[0020] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Please refer to Figs. 1-4The utility model discloses an embodiment of a kind of clean centrifuge for washing coal, including annular support plate 1, the upper surface of annular support plate 1 is fixedly connected with protective cover 2, the outer part of protective cover 2 is equipped with upper annular tube 4 and lower annular tube 3 respectively, the inner circle of upper annular tube 4 is fixedly communicated with multiple upper high-pressure nozzles 6, the inner circle of lower annular tube 3 is fixedly communicated with multiple lower high-pressure nozzles 5, the end of each upper high-pressure nozzle 6 close to each other and the end of each lower high-pressure nozzle 5 close to each other are all through protective cover 2 and extend to the inside of protective cover 2, the below of annular support plate 1 is equipped with driving motor 9, the output of driving motor 9 is fixedly installed with driving shaft 10, the top of driving shaft 10 is fixedly installed with centrifuge cylinder 11, the inner circle of protective cover 2 is fixedly connected with cleaning brush plate 13, the left side of cleaning brush plate 13 is in contact with the outer surface of centrifuge cylinder 11, by the setting of cleaning brush plate 13, the surface of centrifuge cylinder 11 can be cleaned when centrifuge cylinder 11 rotates, by the cooperation of multiple upper high-pressure nozzles 6 and multiple lower high-pressure nozzles 5, the effect of spraying and cleaning the surface of centrifuge cylinder 11 is achieved.

[0023] As a further scheme of the utility model: the inside of protective cover 2 is equipped with drain pipe 17, the bottom end of drain pipe 17 is through annular support plate 1 and extend to the below of annular support plate 1, the right end of drain pipe 17 is fixedly communicated with drain connector 18, the below of annular support plate 1 is equipped with base 20, the upper surface of base 20 is fixedly installed with driving cover 19, the upper surface of driving cover 19 is fixedly embedded with bearing 24, the inner circle of bearing 24 is fixedly connected with the outer surface of driving shaft 10, the outer surface of protective cover 2 is fixedly connected with threaded connecting seat 14, the inner wall of threaded connecting seat 14 is threadedly connected with threaded connecting ring 15, the inner circle of threaded connecting ring 15 is fixedly connected with injection hopper 16, by the cooperation of drain pipe 17 and drain connector 18, water liquid after centrifugation can be discharged, by the cooperation of driving cover 19 and bearing 24, driving shaft 10 can be supported, driving shaft 10 will be stably rotated, by the cooperation of threaded connecting seat 14 and threaded connecting ring 15, injection hopper 16 can be installed, by the setting of injection hopper 16, coal material can be assisted to inject dehydration.

[0024] As a further scheme of the utility model: the outer surface of the upper annular pipe 4 and the outer surface of the lower annular pipe 3 are fixedly connected with the communicating pipe 7, the outer surface of the communicating pipe 7 is fixedly connected with the water injection joint 8, the outer surface of the water injection joint 8 is fixedly connected with the control valve 23, the upper surface of the base 20 is fixedly connected with multiple support columns 21, the top end of each support column 21 is fixedly connected with the bottom surface of the annular support plate 1, multiple discharge holes 22 are arranged on the bottom surface of the centrifugal cylinder 11, the inner ring of the centrifugal cylinder 11 is fixedly connected with the flow guide plate 12, through the setting of the water injection joint 8, water can be conveniently injected, through the setting of the support column 21, the bottom of the annular support plate 1 can be stably supported, through the cooperation of the discharge hole 22 and the flow guide plate 12, the coal can be better dewatered and discharged.

[0025] The working principle of the utility model is: first, the water injection joint 8 is communicated with the water pipeline, then the device is connected with the power supply, and the coal is injected into the inside of the centrifugal cylinder 11 through the charging hopper 16, then the driving motor 9 and the driving shaft 10 are rotated, which drives the centrifugal cylinder 11 to rotate quickly, and the centrifugal force is generated, which can make the water liquid discharge outward through the centrifugal cylinder 11, and the centrifuged coal can be discharged through the discharge hole 22, when the surface of the centrifugal cylinder 11 is cleaned, the control valve 23 is opened, which can make the water liquid flow in the inside of the upper annular pipe 4 and the lower annular pipe 3, and the surface of the centrifugal cylinder 11 is sprayed and cleaned through multiple upper high-pressure nozzles 6 and multiple lower high-pressure nozzles 5, and then the surface of the centrifugal cylinder 11 is quickly cleaned.

[0026] The above-mentioned is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.For those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

[0027] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A clean centrifuge for washing coal, comprising a ring-shaped support plate (1), characterized in that, The upper surface of the annular support plate (1) is fixedly connected with a protective cover (2), the outer part of the protective cover (2) is respectively provided with an upper annular pipe (4) and a lower annular pipe (3), the inner circle of the upper annular pipe (4) is fixedly connected with a plurality of upper high-pressure nozzles (6), the inner circle of the lower annular pipe (3) is fixedly connected with a plurality of lower high-pressure nozzles (5), the end of each upper high-pressure nozzle (6) close to each other and the end of each lower high-pressure nozzle (5) close to each other are all penetrated through the protective cover (2) and extend to the inside of the protective cover (2), the lower part of the annular support plate (1) is provided with a driving motor (9), the output end of the driving motor (9) is fixedly installed with a driving shaft (10), the top end of the driving shaft (10) is fixedly installed with a centrifugal cylinder (11), the inner circle of the protective cover (2) is fixedly connected with a cleaning brush plate (13), the left side surface of the cleaning brush plate (13) is in contact with the outer surface of the centrifugal cylinder (11).

2. A clean centrifugal machine for washing coal according to claim 1, characterized in that, The inside of the protective cover (2) is provided with a drain pipe (17), the bottom end of the drain pipe (17) penetrates through the annular support plate (1) and extends to the lower part of the annular support plate (1), the right end of the drain pipe (17) is fixedly connected with a drain connector (18).

3. A clean centrifugal machine for washing coal according to claim 1, characterized in that, The lower part of the annular support plate (1) is provided with a base (20), the upper surface of the base (20) is fixedly installed with a driving cover (19), the upper surface of the driving cover (19) is fixedly embedded with a bearing (24), the inner circle of the bearing (24) is fixedly connected with the outer surface of the driving shaft (10).

4. A clean centrifugal machine for washing coal according to claim 1, characterized in that, The outer surface of the protective cover (2) is fixedly connected with a threaded connecting seat (14), the inner wall of the threaded connecting seat (14) is threadedly connected with a threaded connecting ring (15), the inner circle of the threaded connecting ring (15) is fixedly connected with a feeding hopper (16).

5. A clean centrifugal machine for washing coal as claimed in claim 1 wherein, The outer surface of the upper annular pipe (4) and the outer surface of the lower annular pipe (3) are fixedly and continuously connected with a connecting pipe (7), the outer surface of the connecting pipe (7) is fixedly connected with a water injection connector (8), the outer surface of the water injection connector (8) is fixedly connected with a control valve (23).

6. A clean centrifugal machine for washing coal according to claim 3, characterized in that, The upper surface of the base (20) is fixedly connected with a plurality of supporting columns (21), the top end of each supporting column (21) is fixedly connected with the bottom surface of the annular support plate (1).

7. A clean centrifugal machine for washing coal according to claim 1, characterized in that, The bottom surface of the centrifugal cylinder (11) is provided with a plurality of discharge holes (22), the inner circle of the centrifugal cylinder (11) is fixedly connected with a flow guide plate (12). The bottom surface of the centrifugal cylinder (11) is provided with a plurality of discharge holes (22), the inner circle of the centrifugal cylinder (11) is fixedly connected with a flow guide plate (12).

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