Novel cyclone with screening and coal screening functions

Abstract

The utility model relates to a novel whirlcone for screening coal, which comprises a medium feeding pipe, a cylindrical whirlcone, a cylindrical cone whirlcone and a feed hopper, the medium feeding pipe is communicated with the interiors of the cylindrical whirlcone, the cylindrical cone whirlcone and the feed hopper, the right side of the cylindrical whirlcone is communicated with the bottom of the feed hopper through a transmission pipe, and the right side of the cylindrical whirlcone is communicated with the bottom of the feed hopper through a transmission pipe. The cylindrical cyclone and the cylindrical cone cyclone are communicated through a connecting pipe, a supporting plate is fixedly mounted in the feeding hopper, a disordering mechanism is rotatably mounted at the top of the supporting plate, and the disordering mechanism comprises a rotating shaft and a stirring rod; the stirring rod is driven by the rotating rotating shaft to scatter materials entering the feeding hopper, the dredging rod is driven by the moving plate capable of moving up and down to repeatedly dredge the position, where material flow is prone to accumulation, at the bottom of the feeding hopper up and down, the speed of the materials entering the conveying pipe is guaranteed, and the materials are prevented from being blocked in the feeding hopper.

Description

TECHNICAL FIELD

[0001] The utility model relates to the coal mine screening technical field, concretely relates to a new cyclone for screening and selecting coal function. BACKGROUND

[0002] Screening and selecting coal is a key link in the coal processing and handling process, aiming at separating out different products such as clean coal, medium coal and gangue according to different physical properties of raw coal, such as density, particle size, etc., to meet the diversified industrial coal demand, and cyclone is an important equipment widely used in the field of screening and selecting coal, which works based on centrifugal force principle, when the mixture of raw coal and water or other medium enters the cyclone at a certain pressure, under the action of strong centrifugal force field generated by high-speed rotation, the particles with larger density are thrown to the wall and move downward along the wall and are discharged from the underflow port, while the coal particles with smaller density move to the center and flow out from the overflow port with the rising water flow, thereby realizing the preliminary separation of coal and impurities or the classification screening of different quality coals.

[0003] The cyclone used in the process of screening and selecting coal will be blocked due to the large differences in shape, size and density of coal particles, when these particles enter the cyclone, they will gather and form lumps or bridges at the feed hopper, thereby blocking the material flow, resulting in slow speed and small amount of material entering the cyclone, which not only reduces the processing capacity of the cyclone, but also causes equipment damage or downtime maintenance. UTILITARIAN CONTENT

[0004] The utility model aims at providing a new cyclone for screening and selecting coal function to overcome the shortcomings of the prior art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A new cyclone for screening and selecting coal function, including the medium pipe, the cylindrical cyclone, the cylindrical conical cyclone and the feed hopper, the medium pipe is communicated with the inside of the cylindrical cyclone, the cylindrical conical cyclone and the feed hopper, the right side of the cylindrical cyclone is communicated with the bottom of the feed hopper through the transmission pipe, the cylindrical cyclone and the cylindrical conical cyclone are communicated through the connecting pipe, the inside of the feed hopper is fixedly installed with the supporting plate, the top of the supporting plate is rotatably installed with the disordering mechanism, the disordering mechanism includes the rotating shaft and the stirring rod, the inside of the feed hopper is rotatably installed with the transmission mechanism above the supporting plate, the transmission mechanism includes the motor, the worm wheel and the worm, the supporting plate below is provided with the dredging mechanism, the dredging mechanism includes the moving plate and the dredging rod.

[0007] The utility model discloses a beneficial effect is: through the rotation axis of rotation drive stirring rod is to the material that enters into the feed hopper is scattered, and according to the movable moving plate drive dredging rod is to the place that feed hopper bottom stream easily accumulated is repeatedly dredged up and down, guarantee the speed of material entering into the transmission pipe, prevent the material from plugging in the feed hopper inside.

[0008] On the basis of the above technical scheme, the utility model still can make following improvement.

[0009] Further, the bottom of the rotating shaft is rotatably connected to the top of the supporting plate, the stirring rods are fixedly installed on the outer side of the rotating shaft, the number of the stirring rods is two and symmetrically distributed above and below, the top of the upper stirring rod is fixedly installed with a plurality of separation blocks which are uniformly distributed, and the top of the rotating shaft is fixedly installed with a flow guide block.

[0010] Further, the motor is fixedly installed on the right side of the feed hopper, the output shaft of the motor penetrates and extends to the inside of the feed hopper, the left side of the output shaft of the motor is fixedly connected with the right side of the worm, the worm wheel is fixedly connected to the outer side of the rotating shaft, and the worm wheel and the worm are meshed with each other.

[0011] Further, the dredging mechanism further comprises a first bevel gear, a second bevel gear, a guide rod, a reciprocating screw rod and a mounting plate, the first bevel gear is fixedly connected to the outer side of the output shaft of the motor, the number of the mounting plates is two and symmetrically distributed on the inner wall of the feed hopper, the guide rod is fixedly installed between the left mounting plate and the supporting plate, the bottom of the reciprocating screw rod is rotatably installed on the top of the right mounting plate, the top penetrates and extends to the upper side of the supporting plate, the second bevel gear is fixedly connected to the outer side of the reciprocating screw rod, the first bevel gear and the second bevel gear are meshed with each other, one end of the moving plate is slidably connected to the outer side of the guide rod, the other end is threadedly connected to the outer side of the reciprocating screw rod, and the dredging rod is fixedly installed on the bottom of the moving plate.

[0012] Further, the top of the supporting plate is fixedly installed with a protective cover.

[0013] Further, the bottom of the stirring rod is fixedly installed with a cleaning brush, and the bottom of the cleaning brush is attached to the top of the protective cover. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the perspective structure schematic diagram of the new cyclone for screening and selecting coal function of the utility model from one visual angle;

[0015] Fig. 2 It is the perspective structure schematic diagram of the new cyclone for screening and selecting coal function of the utility model from another visual angle;

[0016] Fig. 3This is a front view of the internal structure of the feed hopper in the novel hydrocyclone for coal sorting and screening according to this utility model;

[0017] Fig. 4 This is a top view of the feed hopper in the novel hydrocyclone for coal sorting and screening according to this utility model;

[0018] Fig. 5 This is a schematic diagram showing the disassembled internal structure of the feed hopper in the novel hydrocyclone for coal sorting and screening.

[0019] Fig. 6 This is a schematic diagram of the internal structure of the feed hopper in the novel hydrocyclone for coal sorting and screening, taken from another perspective.

[0020] The attached diagram lists the components represented by each number as follows:

[0021] 1. Feed pipe; 2. Cylindrical hydrocyclone; 3. Cylindrical-conical hydrocyclone; 4. Feed hopper; 5. Transfer pipe; 6. Connecting pipe; 7. Support plate; 8. Disruption mechanism; 9. Transmission mechanism; 10. Unblocking mechanism; 11. Protective cover; 12. Cleaning brush; 801. Rotating shaft; 802. Stirring rod; 803. Separating block; 804. Guide block; 901. Motor; 902. Worm gear; 903. Worm; 1001. Moving plate; 1002. Unblocking rod; 1003. First bevel gear; 1004. Second bevel gear; 1005. Guide rod; 1006. Reciprocating screw; 1007. Mounting plate. Detailed Implementation

[0022] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0023] Example 1, as Figs. 1-6 As shown, a novel hydrocyclone for coal screening includes a feed pipe 1, a cylindrical hydrocyclone 2, a cylindrical-conical hydrocyclone 3, and a feed hopper 4. The feed pipe 1 is internally connected to the cylindrical hydrocyclone 2, the cylindrical-conical hydrocyclone 3, and the feed hopper 4. The right side of the cylindrical hydrocyclone 2 is connected to the bottom of the feed hopper 4 via a transmission pipe 5. The cylindrical hydrocyclone 2 and the cylindrical-conical hydrocyclone 3 are connected via a connecting pipe 6. A support plate 7 is fixedly installed inside the feed hopper 4. A scrambling mechanism 8 is rotatably installed on the top of the support plate 7. The scrambling mechanism 8 includes a rotating shaft 801 and a stirring rod 802. A transmission mechanism 9 is rotatably installed inside the feed hopper 4 above the support plate 7. The transmission mechanism 9 includes a motor 901, a worm gear 902, and a worm 903. A clearing mechanism 10 is provided below the support plate 7. The clearing mechanism 10 includes a moving plate 1001 and a clearing rod 1002.

[0024] When the material enters the inside of the feeding hopper 4, the material is struck by the stirring rod 802 to prevent the material from being bonded or bridged during the cleaning process before being input into the feeding hopper 4, so as to prevent the inside of the feeding hopper 4 from being blocked when the material enters the inside of the feeding hopper 4, and the connecting place between the bottom of the feeding hopper 4 and the conveying pipe 5 is dredged by the dredging rod 1002 moving up and down, so that the material flow can better enter the conveying pipe 5 for conveying.

[0025] In the embodiment 2, the bottom of the rotating shaft 801 is rotatably connected to the top of the supporting plate 7, the stirring rod 802 is fixedly installed on the outer side of the rotating shaft 801, the number of the stirring rod 802 is two and the stirring rod 802 is symmetrically distributed in up and down, the top of the upper stirring rod 802 is fixedly installed with a plurality of separation blocks 803 which are uniformly distributed, and the top of the rotating shaft 801 is fixedly installed with a flow guide block 804.

[0026] When the material enters the inside of the feeding hopper 4, the material will contact the top of the separation block 803 and the flow guide block 804, and the top of the separation block 803 and the flow guide block 804 are both conical, so that the material is impacted and dispersed during the contact with the material, and the work of the subsequent stirring rod 802 is facilitated.

[0027] In the embodiment 3, the motor 901 is fixedly installed on the right side of the feeding hopper 4, the output shaft of the motor 901 penetrates and extends to the inside of the feeding hopper 4, the left side of the output shaft of the motor 901 is fixedly connected with the right side of the worm 903, the worm wheel 902 is fixedly connected to the outer side of the rotating shaft 801, and the worm wheel 902 and the worm 903 are engaged with each other.

[0028] When the motor 901 is started, the worm 903 is driven to rotate by the output shaft of the motor 901, so as to drive the worm wheel 902 to rotate, the rotating shaft 801 is rotated, and the disarranging mechanism 8 is driven to work.

[0029] The embodiment 4 is a further improvement on the basis of the embodiment 1, and specifically as follows: the dredging mechanism 10 further comprises a first bevel gear 1003, a second bevel gear 1004, a guide rod 1005, a reciprocating screw rod 1006 and mounting plates 1007, the first bevel gear 1003 is fixedly connected to the outer side of the output shaft of the motor 901, the mounting plates 1007 are two in number and symmetrically distributed on the inner wall of the feed hopper 4, the guide rod 1005 is fixedly installed between the left mounting plate 1007 and the support plate 7, the bottom of the reciprocating screw rod 1006 is rotatably installed on the top of the right mounting plate 1007, and the top extends above the support plate 7, the second bevel gear 1004 is fixedly connected to the outer side of the reciprocating screw rod 1006, the first bevel gear 1003 and the second bevel gear 1004 are in meshing engagement with each other, one end of the moving plate 1001 is slidably connected to the outer side of the guide rod 1005, and the other end is threadedly connected to the outer side of the reciprocating screw rod 1006, and the dredging rod 1002 is fixedly installed on the bottom of the moving plate 1001.

[0030] The motor 901 is started, the first bevel gear 1003 is driven to rotate by the output shaft, the second bevel gear 1004 is driven to rotate, the reciprocating screw rod 1006 is driven to rotate, the moving plate 1001 is driven to move up and down under the auxiliary action of the guide rod 1005, and the dredging rod 1002 is driven to move up and down, so that the materials at the position where the feed hopper 4 and the conveying pipe 5 are connected are dredged, and the use of the whole cyclone is facilitated.

[0031] The embodiment 5 is a further improvement on the basis of the embodiment 1, and specifically as follows: the top of the support plate 7 is fixedly installed with a protective cover 11.

[0032] The protective cover 11 is arranged to protect the output shaft of the motor 901, the worm gear 902, the worm 903, the first bevel gear 1003, the second bevel gear 1004 and the top of the reciprocating screw rod 1006, so as to prevent the components from being damaged during the material entering process.

[0033] The embodiment 6 is a further improvement on the basis of the embodiment 5, and specifically as follows: the bottom of the stirring rod 802 is fixedly installed with a cleaning brush 12, and the bottom of the cleaning brush 12 is in abutment with the top of the protective cover 11.

[0034] The material will fall on the top of the protective cover 11, and the cleaning brush 12 is driven by the rotating stirring rod 802 to clean the top of the protective cover 11.

[0035] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and those skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

Claims

1. A novel hydrocyclone for coal screening, comprising a feed pipe (1), a cylindrical hydrocyclone (2), a cylindrical-conical hydrocyclone (3), and a feed hopper (4), characterized in that: The feed pipe (1) is connected to the interior of the cylindrical hydrocyclone (2), the cylindrical conical hydrocyclone (3), and the feed hopper (4). The right side of the cylindrical hydrocyclone (2) is connected to the bottom of the feed hopper (4) through the transmission pipe (5). The cylindrical hydrocyclone (2) and the cylindrical conical hydrocyclone (3) are connected through the connecting pipe (6). A support plate (7) is fixedly installed inside the feed hopper (4). A scrambling mechanism (8) is rotatably installed on the top of the support plate (7). The scrambling mechanism (8) includes a rotating shaft (801) and a stirring rod (802). The feed hopper (4) is rotatably installed with a transmission mechanism (9) located above the support plate (7). The transmission mechanism (9) includes a motor (901), a worm gear (902), and a worm (903). A dredging mechanism (10) is provided below the support plate (7). The dredging mechanism (10) includes a moving plate (1001) and a dredging rod (1002).

2. A novel hydrocyclone for coal sorting and screening according to claim 1, characterized in that, The bottom of the rotating shaft (801) is rotatably connected to the top of the support plate (7). The stirring rod (802) is fixedly installed on the outside of the rotating shaft (801). There are two stirring rods (802) and they are symmetrically distributed vertically. Several evenly distributed separation blocks (803) are fixedly installed on the top of the upper stirring rod (802). A guide block (804) is fixedly installed on the top of the rotating shaft (801).

3. A novel hydrocyclone for coal sorting and screening according to claim 1, characterized in that, The motor (901) is fixedly installed on the right side of the feed hopper (4). The output shaft of the motor (901) passes through and extends into the interior of the feed hopper (4). The left side of the output shaft of the motor (901) is fixedly connected to the right side of the worm (903). The worm wheel (902) is fixedly connected to the outside of the rotating shaft (801). The worm wheel (902) meshes with the worm (903).

4. A novel hydrocyclone for coal sorting and screening according to claim 1, characterized in that, The unblocking mechanism (10) further includes a first bevel gear (1003), a second bevel gear (1004), a guide rod (1005), a reciprocating screw (1006), and a mounting plate (1007). The first bevel gear (1003) is fixedly connected to the outside of the output shaft of the motor (901). There are two mounting plates (1007) symmetrically distributed on the inner wall of the feed hopper (4). The guide rod (1005) is fixedly installed between the left mounting plate (1007) and the support plate (7). The reciprocating screw (1006) The bottom of the plate is rotatably mounted on the top of the right mounting plate (1007), and the top extends through and above the support plate (7). The second bevel gear (1004) is fixedly connected to the outside of the reciprocating screw (1006). The first bevel gear (1003) and the second bevel gear (1004) mesh with each other. One end of the moving plate (1001) is slidably connected to the outside of the guide rod (1005), and the other end is threadedly connected to the outside of the reciprocating screw (1006). The unblocking rod (1002) is fixedly mounted on the bottom of the moving plate (1001).

5. A novel hydrocyclone for coal screening according to claim 1, characterized in that, A protective cover (11) is fixedly installed on the top of the support plate (7).

6. A novel hydrocyclone for coal screening according to claim 5, characterized in that, A cleaning brush (12) is fixedly installed at the bottom of the stirring rod (802), and the bottom of the cleaning brush (12) is in contact with the top of the protective cover (11).

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