Pulverized coal separator with blocking net cleaning mechanism

Abstract

The utility model relates to the technical field of pulverized coal separators, and discloses a pulverized coal separator with a blocking net cleaning mechanism, which comprises a separator shell, a feeding pipe fixedly mounted in the separator shell, and a separation bin fixedly mounted in the separator shell at the periphery of the feeding pipe, a first motor and a second motor are fixedly mounted at the top of the separator shell, the first motor and the second motor are electrically connected with an external master controller through connecting wires, and a cylindrical channel is fixedly mounted at the top in the separator shell. A convex ring is arranged at the top of the blocking net rack, a cleaning mechanism is further arranged on the blocking net rack and composed of a rotating ring, a gear, a transmission shaft, a cushion block and other components, and therefore the cleaning mechanism can be matched with a third motor to drive the rotating ring to stably rotate on the blocking net rack, and the rotating ring can drive a brush rod to do circumferential motion above the blocking net rack; therefore, the metal net on the barrier net rack can be cleaned through the bristles at the bottom of the brush rod.

Description

Technical Field

[0001] The utility model relates to the technical field of pulverized coal separators, and particularly relates to a pulverized coal separator with a blocking net cleaning mechanism. Background Technique

[0002] A pulverized coal separator is a device used to separate pulverized coal of different particle sizes. It is mainly divided into two types: a coarse powder separator and a fine powder separator. The function of the coarse powder separator is to screen out unqualified coarse pulverized coal coming out of the coal mill, send it back to the coal mill for re-grinding, and can adjust the fineness of the pulverized coal. The fine powder separator further separates the fine pulverized coal in the pulverized coal air flow output from the coarse powder separator, and these fine pulverized coals will then be stored in the pulverized coal bin for later use;

[0003] The existing Chinese utility model patent with the publication number CN212663731U: A device for adjusting the fineness of pulverized coal in a medium-speed roller coal mill. This application includes a coal dropping pipe, a pulverized coal distribution box, and a pulverized coal separator. The pulverized coal distribution box and the pulverized coal separator are coaxially arranged outside the coal dropping pipe with the coal dropping pipe. A cylindrical channel extending into the coal dropping cone is provided at the bottom inlet of the pulverized coal distribution box and the top outlet of the coal dropping cone of the pulverized coal separator. A conical blocking net is provided between the inner wall of the cylindrical channel and the outer wall of the coal dropping pipe. That is, in this application, by setting the blocking net, it is not necessary to increase the loading force to meet the requirements of pulverized coal fineness, reducing the power consumption of the coal mill motor. However, when separating pulverized coal, if the coal quality is poor and the viscosity is too high, the pulverized coal is likely to accumulate during the separation process, and then the blocking net will be blocked. Moreover, the blocking net is installed inside the equipment, and when cleaning it, a large number of components need to be disassembled. On the one hand, the disassembly process is relatively difficult, and on the other hand, it also makes the cleaning process of the blocking net cumbersome. Content of the Utility Model

[0004] The purpose of the utility model is to provide a pulverized coal separator with a blocking net cleaning mechanism, which can effectively solve the problems in the background technique.

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

[0006] A pulverized coal separator with a blocking net cleaning mechanism, comprising a separator housing. A feed pipe is fixedly installed inside the separator housing. A separation chamber is fixedly installed inside the separator housing at a position surrounding the feed pipe. A first motor and a second motor are respectively fixedly installed at the top of the separator housing, and the first motor and the second motor are respectively electrically connected to an external main controller through connecting wires. A cylindrical channel is fixedly installed at the top inside the separator housing. Two discharge pipes are fixedly installed on the separator housing at positions surrounding the feed pipe. A plurality of radial transmission members and axial transmission members are respectively movably installed on the separator housing at positions surrounding the two discharge pipes. One end of the radial transmission member passes through the separator housing and extends into the separator housing and is fixedly installed with a radial baffle. One end of the axial transmission member passes through the corresponding discharge pipe and extends into the cylindrical channel and is fixedly installed with an axial baffle. A blocking wire mesh is also fixedly installed between the feed pipe and the cylindrical channel. A cleaning mechanism is arranged on the blocking wire mesh. The cleaning mechanism includes a rotating ring, a gear and a transmission shaft. The rotating ring is movably installed on the blocking wire mesh. The gear is movably installed on the rotating ring. The transmission shaft is fixedly installed on the gear.

[0007] As a further preferred embodiment of the present invention, a plurality of radial transmission members and axial transmission members are respectively movably installed on the separator housing at positions surrounding the two discharge pipes. One end of the radial transmission member passes through the separator housing and extends into the separator housing and is fixedly installed with a radial baffle. One end of the axial transmission member passes through the corresponding discharge pipe and extends into the cylindrical channel and is fixedly installed with an axial baffle.

[0008] As a further preferred embodiment of the present invention, a machine base is fixedly installed at the top of the separator housing. A third motor is fixedly installed on the top of the machine base. The third motor is electrically connected to an external main controller through a connecting wire;

[0009] Based on this, with the arrangement of the third motor, the transmission shaft can be driven to rotate.

[0010] As a further preferred embodiment of the present invention, a metal mesh is laid on the top of the blocking wire mesh. A convex ring is also fixedly installed on the top contour of the second motor.

[0011] As a further preferred embodiment of the present invention, a rotating groove is opened at the bottom of the rotating ring. A tooth groove is opened at the top of the rotating ring. A positioning groove is opened at the bottom inside the tooth groove. A brush rod is fixedly installed inside the rotating ring. A brush is fixedly installed at the bottom of the brush rod and is placed above the blocking wire mesh. The rotating ring is rotatably installed on the convex ring through the rotating groove;

[0012] Based on this, by rotatably installing the rotating ring on the blocking wire mesh through the rotating groove, the gear can be driven to drive the rotating ring to drive the brush rod to rotate on the blocking wire mesh.

[0013] As a further preferred embodiment of the present utility model, a bearing is fixedly installed at the center of the bottom of the gear, a fixed seat is fixedly installed at the top of the gear, the transverse cross-section of the fixed seat is a regular hexagon, a cushion block is arranged at the bottom of the gear, a positioning block is fixedly installed at the bottom of the cushion block, a fixed shaft is fixedly installed at the center of the top of the cushion block, the fixed shaft is rotatably installed in the bearing, the gear is meshed and connected with the tooth groove, and the positioning block is slidably installed in the positioning groove.

[0014] As a further preferred embodiment of the present utility model, a slot is opened at the bottom of the transmission shaft, the transmission shaft is inserted and installed on the fixed seat through the slot and fixed by screws, and the top of the transmission shaft is fixedly connected with the output end of the third motor;

[0015] Based on this, the third motor cooperates with the transmission shaft to drive the gear, so that the gear drives the rotating ring to rotate. The arrangement of the cushion block and the positioning block can ensure the stable rotation of the gear in the tooth groove.

[0016] Compared with the prior art, the present utility model has the following beneficial effects:

[0017] For the pulverized coal separator with a blocking net cleaning mechanism of the present utility model, a convex ring is arranged at the top of the blocking net frame, and a cleaning mechanism is also arranged on the blocking net frame. The cleaning mechanism is composed of components such as a rotating ring, a gear, a transmission shaft, and a cushion block. Thus, it can cooperate with the third motor to drive the rotating ring to rotate stably on the blocking net frame, so that the rotating ring drives the brush rod to perform a circumferential movement above the blocking net frame, and the metal net on the blocking net frame can be cleaned by the bristles at the bottom of the brush rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a cross-sectional view of the main structure of the present utility model;

[0019] Figure 2 is a schematic diagram of the installation structure of the blocking net frame and the cleaning mechanism of the present utility model;

[0020] Figure 3 is a sectional and split schematic diagram of the blocking net frame and the cleaning mechanism of the present utility model;

[0021] Figure 4 is Figure 3 an enlarged view of part A in

[0022] In the figure: 1. Separator housing; 2. Feed pipe; 3. First motor; 4. Second motor; 5. Radial transmission member; 6. Axial transmission member; 7. Radial baffle; 8. Axial baffle; 9. Cylindrical channel; 10. Blocking grid; 11. Cleaning mechanism; 12. Rotating ring; 13. Gear; 14. Drive shaft; 15. Discharge pipe; 16. Machine base; 17. Third motor; 18. Convex ring; 19. Rotating groove; 20. Tooth groove; 21. Positioning groove; 22. Brush rod; 23. Bearing; 24. Fixed seat; 25. Spacer block; 26. Positioning block; 27. Fixed shaft; 28. Slot. Detailed implementation mode

[0023] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation modes.

[0024] As Figures 1 - 4 As shown in the figure, a pulverized coal separator with a blocking net cleaning mechanism provided by the present utility model includes a separator housing 1. A feed pipe 2 is fixedly installed inside the separator housing 1. A separation chamber is fixedly installed inside the separator housing 1 at a position surrounding the feed pipe 2. A first motor 3 and a second motor 4 are respectively fixedly installed on the top of the separator housing 1, and the first motor 3 and the second motor 4 are respectively electrically connected to an external main controller through connecting wires. A cylindrical channel 9 is fixedly installed on the inner top of the separator housing 1. Two discharge pipes 15 are fixedly installed on the separator housing 1 at positions surrounding the two discharge pipes 15. A plurality of radial transmission members 5 and axial transmission members 6 are respectively movably installed on the separator housing 1. One end of the radial transmission member 5 passes through the separator housing 1 and extends into the separator housing 1 and is fixedly installed with a radial baffle 7. One end of the axial transmission member 6 passes through the corresponding discharge pipe 15 and extends into the cylindrical channel 9 and is fixedly installed with an axial baffle 8. A blocking grid 10 is also fixedly installed between the feed pipe 2 and the cylindrical channel 9. A cleaning mechanism 11 is arranged on the blocking grid 10. The cleaning mechanism 11 includes a rotating ring 12, a gear 13 and a drive shaft 14. The rotating ring 12 is movably installed on the blocking grid 10. The gear 13 is movably installed on the rotating ring 12. The drive shaft 14 is fixedly installed on the gear 13.

[0025] A plurality of radial transmission members 5 and axial transmission members 6 are respectively movably installed on the separator housing 1 at positions surrounding the two discharge pipes 15. One end of the radial transmission member 5 passes through the separator housing 1 and extends into the separator housing 1 and is fixedly installed with a radial baffle 7. One end of the axial transmission member 6 passes through the corresponding discharge pipe 15 and extends into the cylindrical channel 9 and is fixedly installed with an axial baffle 8;

[0026] As Figures 2 - 4As shown, a machine base 16 is fixedly installed at the top of the separator housing 1. A third motor 17 is fixedly installed at the top of the machine base 16. The third motor 17 is electrically connected to an external main controller through a connecting wire. Based on this, by means of the setting of the third motor 17, the drive shaft 14 can be driven to rotate. A metal mesh is laid on the top of the barrier grid 10. A convex ring 18 is also fixedly installed on the top contour of the second motor 4. A rotating groove 19 is opened at the bottom of the rotating ring 12. A toothed groove 20 is opened at the top of the rotating ring 12. A positioning groove 21 is opened at the inner bottom of the toothed groove 20. A brush rod 22 is fixedly installed inside the rotating ring 12. A brush is fixedly installed at the bottom of the brush rod 22 and is placed above the barrier grid 10. The rotating ring 12 is rotatably installed on the convex ring 18 through the rotating groove 19. Based on this, by rotatably installing the rotating ring 12 on the barrier grid 10 through the rotating groove 19, the gear 13 can be driven to drive the rotating ring 12 to drive the brush rod 22 to rotate on the barrier grid 10. A bearing 23 is fixedly installed at the central position of the bottom of the gear 13. A fixed seat 24 is fixedly installed at the top of the gear 13. The transverse section of the fixed seat 24 is a regular hexagon. A cushion block 25 is arranged at the bottom of the gear 13. A positioning block 26 is fixedly installed at the bottom of the cushion block 25. A fixed shaft 27 is fixedly installed at the central position of the top of the cushion block 25. The fixed shaft 27 is rotatably installed in the bearing 23. The gear 13 is meshed with the toothed groove 20. The positioning block 26 is slidably installed in the positioning groove 21. A slot 28 is opened at the bottom of the drive shaft 14. The drive shaft 14 is inserted through the slot 28 and fixed on the fixed seat 24 by screws. The top of the drive shaft 14 is fixedly connected to the output end of the third motor 17. Based on this, the gear 13 is driven by the cooperation of the third motor 17 and the drive shaft 14, so that the gear 13 drives the rotating ring 12 to rotate. The setting of the cushion block 25 and the positioning block 26 can ensure the stable rotation of the gear 13 in the toothed groove 20.

[0027] It should be noted that the present utility model is a pulverized coal separator with a blocking net cleaning mechanism. When cleaning the metal mesh on the barrier grid 10, the third motor 17 can be started through an external main controller. Then, the third motor 17 drives the drive shaft 14 to rotate. Further, the drive shaft 14 rotates the gear 13 by being inserted into the slot 28 through the fixed seat 24. Then, the gear 13 also rotates on the fixed shaft 27 of the cushion block 25 through the bearing 23. Further, the gear 13 is meshed with the toothed groove 20 at the top of the rotating ring 12 to drive the rotating ring 12 to rotate. The rotating ring 12 rotates circumferentially on the convex ring 18 at the top of the barrier grid 10 through the rotating groove 19 at the bottom. At the same time, the positioning groove 21 at the inner bottom of the toothed groove 20 also slides on the positioning block 26, thereby cooperating with the cushion block 25 to ensure the stable connection between the gear 13 and the rotating ring 12. Further, the rotating ring 12 drives the brush rod 22 to perform a circumferential movement above the barrier grid 10, so that the brush rod 22 can clean the pulverized coal accumulated in the metal mesh at the top of the barrier grid 10 through the brush at the bottom, without disassembling and assembling a large number of structures, improving the cleaning efficiency of the metal mesh at the top of the barrier grid 10.

[0028] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments, and what is described in the above-mentioned embodiments and the specification is only to illustrate the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will also have various changes and improvements, and these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pulverized coal separator with a blocking net cleaning mechanism, characterized in that: It includes a separator housing (1), in which a feed pipe (2) is fixedly installed. Inside the separator housing (1) at the peripheral position of the feed pipe (2), a separation chamber is fixedly installed. At the top of the separator housing (1), a first motor (3) and a second motor (4) are respectively fixedly installed, and the first motor (3) and the second motor (4) are respectively electrically connected to an external main controller through connecting wires. At the inner top of the separator housing (1), a cylindrical channel (9) is fixedly installed. On the separator housing (1) at the peripheral position of the feed pipe (2), two discharge pipes (15) are fixedly installed. Between the feed pipe (2) and the cylindrical channel (9), a barrier grid (10) is also fixedly installed. On the barrier grid (10), a cleaning mechanism (11) is provided. The cleaning mechanism (11) includes a rotating ring (12), a gear (13) and a transmission shaft (14). The rotating ring (12) is movably installed on the barrier grid (10), the gear (13) is movably installed on the rotating ring (12), and the transmission shaft (14) is fixedly installed on the gear (13).

2. The pulverized coal separator with a blocking net cleaning mechanism according to claim 1, characterized in that: At the peripheral positions of the two discharge pipes (15), a plurality of radial transmission parts (5) and axial transmission parts (6) are respectively movably installed on the separator housing (1). One end of the radial transmission part (5) passes through the separator housing (1) and extends into the separator housing (1) and is fixedly installed with a radial baffle (7). One end of the axial transmission part (6) passes through the corresponding discharge pipe (15) and extends into the cylindrical channel (9) and is fixedly installed with an axial baffle (8).

3. A pulverized coal separator with a blocking net cleaning mechanism according to claim 1, characterized in that: At the top of the separator housing (1), a machine base (16) is fixedly installed. At the top of the machine base (16), a third motor (17) is fixedly installed. The third motor (17) is electrically connected to an external main controller through a connecting wire.

4. A pulverized coal separator with a blocking net cleaning mechanism according to claim 3, characterized in that: On the top of the barrier grid (10), a metal mesh is laid. On the top contour of the second motor (4), a convex ring (18) is also fixedly installed.

5. The pulverized coal separator with a blocking net cleaning mechanism according to claim 4, wherein: At the bottom of the rotating ring (12), a rotating groove (19) is opened. At the top of the rotating ring (12), a tooth groove (20) is opened. At the inner bottom of the tooth groove (20), a positioning groove (21) is opened. At the inner side of the rotating ring (12), a brush rod (22) is fixedly installed. At the bottom of the brush rod (22), brush hairs are fixedly installed and are placed above the barrier grid (10). The rotating ring (12) is rotatably installed on the convex ring (18) through the rotating groove (19), and the gear (13) can drive the rotating ring (12) to drive the brush rod (22) to rotate on the barrier grid (10).

6. The pulverized coal separator with a blocking net cleaning mechanism according to claim 5, characterized in that: A bearing (23) is fixedly installed at the center of the bottom of the gear (13). A fixed seat (24) is fixedly installed at the top of the gear (13). The transverse section of the fixed seat (24) is a regular hexagon. A cushion block (25) is arranged at the bottom of the gear (13). A positioning block (26) is fixedly installed at the bottom of the cushion block (25). A fixed shaft (27) is fixedly installed at the center of the top of the cushion block (25). The fixed shaft (27) is rotatably installed in the bearing (23). The gear (13) is meshed and connected with the tooth groove (20). The positioning block (26) is slidably installed in the positioning groove (21).

7. A pulverized coal separator with a blocking net cleaning mechanism according to claim 6, characterized in that: A slot (28) is formed at the bottom of the transmission shaft (14). The transmission shaft (14) is inserted and installed on the fixed seat (24) through the slot (28) and fixed by screws. The top of the transmission shaft (14) is fixedly connected with the output end of the third motor (17).

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