Pulverized coal feeding structure of rotary kiln

Abstract

The utility model relates to the technical field of rotary kiln feeding, in particular to a rotary kiln pulverized coal feeding structure which comprises a machine body, a feeding port is formed in the top end of one side of the machine body, and a discharging port is formed in one end of the machine body. When pulverized coal is conveyed to the rotary kiln, pulverized coal is poured into the rotary kiln from the feeding port, the first motor is started at the same time, the first motor rotates to drive the transmission fan blades in transmission connection with the first motor to rotate, and the poured pulverized coal is driven by the transmission fan blades to be conveyed to the discharging port. And when the crushing effect of the crushing machine is not good, a second motor can be started to enable a lead screw in transmission connection with the second motor to rotate, the lead screw rotates to drive a movable block movably connected with the lead screw to move, and therefore the conveying quality can be effectively kept. And the moving block moves to drive the baffle fixedly connected with the moving block to move, so that continuous feeding can be stopped, the good feeding effect of the device is guaranteed, and the practicability of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary kiln feeding, in particular to a rotary kiln coal powder feeding structure. Background Art

[0002] A rotary kiln is a rotary calcining kiln (commonly known as a rotary kiln), which belongs to the category of building materials equipment. Rotary kilns can be divided into cement kilns, metallurgical chemical kilns and lime kilns according to the materials they process. Cement kilns are mainly used to calcine cement clinker, and are divided into two categories: dry process cement kilns and wet process cement kilns.

[0003] In a rotary kiln coal powder feeding structure with the Chinese utility model patent application disclosure specification CN213778604U, although it has a conveying cylinder that can safely convey coal powder without leakage and is not affected by wind, a feeding shaft is provided inside the feeding device to prevent blockage while feeding coal powder, thereby improving the feeding efficiency. However, it is not convenient to block the feeding of the device, and it is not convenient to position the device, and the stability of the device cannot be guaranteed. Therefore, a rotary kiln coal powder feeding structure is proposed. Utility Model Content

[0004] The utility model aims to provide a rotary kiln coal powder feeding structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A rotary kiln coal powder feeding structure comprises a machine body, a feeding port is provided at the top of one side of the machine body, a discharging port is provided at one end of the machine body, a feeding mechanism is arranged inside the machine body, a frame is fixedly provided at the top of the machine body, a closing mechanism is arranged inside the frame, support columns are fixedly provided at both sides of the bottom end of the machine body, a base is fixedly provided at the bottom end of the support column, through grooves are provided on both sides of the base, a mounting frame is fixedly provided above the through groove, and a positioning mechanism is arranged inside the mounting frame.

[0007] Preferably, the feeding mechanism comprises a transmission blade and a first motor, the transmission blade is movably arranged inside the body through a rotating shaft, the first motor is installed on the outside of the body through a mounting seat, and the output shaft end of the first motor is transmission-connected to the transmission blade through a coupling;

[0008] Preferably, the closing mechanism comprises a screw, a second motor, a moving block, a limit rod and a baffle, a screw is movably arranged inside the frame through a rotating shaft, a second motor is installed on the outside of the frame through a mounting seat, an output shaft end of the second motor is transmission-connected to the screw through a coupling, a moving block is movably arranged on the outside of the screw through a threaded hole, a limit rod is fixedly arranged inside the frame, the outside of the limit rod is movably connected to the moving block through a mounting hole, a baffle is fixedly arranged on the bottom end of the moving block, and the baffle passes through the machine body into the feed port;

[0009] Preferably, the positioning mechanism comprises a threaded rod, a lifting block, a lifting slot and a telescopic rod, the bottom end of the installation frame is movably provided with a threaded rod through a rotating shaft, the outer side of the threaded rod is movably provided with a lifting block through a threaded hole, a lifting slot is provided at the top of one side of the lifting block, a telescopic rod is fixedly provided inside the lifting slot, and one end of the telescopic rod is fixedly connected to the inner wall of the installation frame;

[0010] Preferably, a handle is fixedly provided at the top of the installation frame at one end of the threaded rod shaft;

[0011] Preferably, fixed casters are fixedly provided on four sides of the bottom end of the base.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A rotary kiln coal powder feeding structure, when conveying coal powder to the rotary kiln, the crushed coal powder is poured into the feeding port, and the first motor is started at the same time. The rotation of the first motor drives the transmission blades connected thereto to rotate, and the poured coal powder is conveyed to the discharging port driven by the transmission blades. The rotation of the transmission blades prevents the coal powder from agglomerating during the transmission process, so the transportation quality can be effectively maintained. When the crushing effect of the crusher is not good, the second motor can be started to rotate the screw rod connected thereto, and the rotation of the screw rod drives the moving block movably connected thereto to move, and the movement of the moving block drives the baffle fixedly connected thereto to move, so that the feeding can be blocked, thereby ensuring that the feeding effect of the device is intact, thereby enhancing the practicality of the device.

[0014] 2. In the rotary kiln coal powder feeding structure, when the rotary kiln coal is fed, if it is hit by the outside world, it will deviate, causing feeding deviation and waste of resources. Therefore, the threaded rod connected to it can be rotated by turning the handle, and the rotation of the threaded rod drives the lifting block connected to it to move, so that it penetrates into the ground to position the device with the ground, thereby avoiding the device from being deviated due to external collisions and enhancing the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall front view and cross-sectional structure of the utility model;

[0017] Figure 3 For this utility model Figure 2 The enlarged schematic diagram of point A in the middle;

[0018] Figure 4 For this utility model Figure 2 A magnified schematic diagram of point B in the middle.

[0019] In the figure: 1. machine body; 2. feed inlet; 3. discharge outlet; 4. frame; 5. support column; 6. base; 7. through slot; 8. mounting frame; 9. transmission fan blade; 10. first motor; 11. screw rod; 12. second motor; 13. moving block; 14. limit rod; 15. baffle; 16. threaded rod; 17. lifting block; 18. lifting slot; 19. telescopic rod; 20. handle; 21. fixed caster. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0022] A pulverized coal feeding structure for a rotary kiln comprises a machine body 1, a feeding port 2 is provided at the top of one side of the machine body 1, a discharging port 3 is provided at one end of the machine body 1, a feeding mechanism is arranged inside the machine body 1, a frame 4 is fixedly arranged at the top of the machine body 1, a closing mechanism is arranged inside the frame 4, support columns 5 are fixedly arranged at both sides of the bottom end of the machine body 1, a base 6 is fixedly arranged at the bottom end of the support column 5, through grooves 7 are provided on both sides of the base 6, a mounting frame 8 is fixedly arranged above the through groove 7, and a positioning mechanism is arranged inside the mounting frame 8.

[0023] Through the above scheme, it is convenient to block the feeding of the device, and the feeding effect is intact, which is convenient for rapid transportation;

[0024] In this embodiment, preferably, the feeding mechanism includes a transmission blade 9 and a first motor 10, the transmission blade 9 is movably arranged inside the body 1 through a rotating shaft, the first motor 10 is installed on the outside of the body 1 through a mounting seat, and the output shaft end of the first motor 10 is transmission-connected to the transmission blade 9 through a coupling;

[0025] Through the above scheme, the device can easily transport the coal powder to be transported, and the transported coal powder will not agglomerate;

[0026] In this embodiment, preferably, the closing mechanism includes a screw 11, a second motor 12, a moving block 13, a limit rod 14 and a baffle 15. The screw 11 is movably arranged inside the frame 4 through a rotating shaft, and the second motor 12 is installed on the outside of the frame 4 through a mounting seat. The output shaft end of the second motor 12 is transmission-connected to the screw 11 through a coupling, and a moving block 13 is movably arranged on the outside of the screw 11 through a threaded hole. A limit rod 14 is fixedly arranged inside the frame 4, and the outside of the limit rod 14 is movably connected to the moving block 13 through a mounting hole. A baffle 15 is fixedly arranged at the bottom end of the moving block 13, and the baffle 15 passes through the body 1 in the feed port 2;

[0027] Through the above scheme, the continued feeding can be blocked, thereby ensuring the feeding effect of the device is intact, thereby enhancing the practicality of the device;

[0028] In this embodiment, preferably, the positioning mechanism includes a threaded rod 16, a lifting block 17, a lifting slot 18 and a telescopic rod 19. The bottom end of the mounting frame 8 is movably provided with a threaded rod 16 through a rotating shaft, and a lifting block 17 is movably provided on the outside of the threaded rod 16 through a threaded hole. A lifting slot 18 is provided on the top of one side of the lifting block 17, and a telescopic rod 19 is fixedly provided inside the lifting slot 18, and one end of the telescopic rod 19 is fixedly connected to the inner wall of the mounting frame 8;

[0029] Through the above scheme, the device is kept stable during operation, thereby enhancing the stability of the device;

[0030] In this embodiment, preferably, a handle 20 is fixedly provided at one end of the rotating shaft of the threaded rod 16 at the top of the mounting frame 8;

[0031] Through the above scheme, the operation of the device is made simpler and more convenient, thereby enhancing the convenience of the device;

[0032] In this embodiment, preferably, fixed casters 21 are fixedly arranged on four sides of the bottom end of the base 6;

[0033] Through the above scheme, the device is easy to move, so that the operator can move more labor-saving, thereby enhancing the work efficiency of the operator;

[0034] When a rotary kiln coal powder feeding structure of the present embodiment is in use, the crushed coal powder is poured into the rotary kiln from the feed port 2 when the coal powder is conveyed to the rotary kiln, and the first motor 10 is started at the same time. The rotation of the first motor 10 drives the transmission blades 9 connected thereto to rotate, and the poured coal powder is conveyed to the discharge port 3 driven by the transmission blades 9, and the rotation of the transmission blades 9 prevents the coal powder from agglomerating during the transmission process, so the transportation quality can be effectively maintained. When the crushing effect of the crusher is not good, the second motor 12 can be started to rotate the screw rod 11 connected thereto, and the rotation of the screw rod 11 drives the moving block 13 movably connected thereto to move, and the movement of the moving block 13 drives the baffle 15 fixedly connected thereto to move, thereby blocking the continued feeding, thereby ensuring that the feeding effect of the device is intact, thereby enhancing the practicality of the device.

[0035] When the rotary kiln coal is fed, it may deviate if it is hit by the outside world, causing feeding deviation and waste of resources. Therefore, the handle 20 can be turned to rotate the threaded rod 16 connected to it, and the rotation of the threaded rod 16 drives the lifting block 17 connected to it to move, so that the device is positioned with the ground, thereby avoiding the device from being deviated due to external collisions and enhancing the use effect of the device.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A rotary kiln coal powder feeding structure, comprising a body (1), characterized in that: A material inlet (2) is provided at the top of one side of the machine body (1), a material outlet (3) is provided at one end of the machine body (1), a material feeding mechanism is provided inside the machine body (1), a frame (4) is fixedly provided at the top of the machine body (1), a closing mechanism is provided inside the frame (4), support columns (5) are fixedly provided on both sides of the bottom end of the machine body (1), a base (6) is fixedly provided at the bottom end of the support column (5), through grooves (7) are provided on both sides of the base (6), a mounting frame (8) is fixedly provided above the through groove (7), and a positioning mechanism is provided inside the mounting frame (8).

2. A rotary kiln coal powder feeding structure according to claim 1, characterized in that: The feeding mechanism comprises a transmission blade (9) and a first motor (10); the transmission blade (9) is movably arranged inside the machine body (1) via a rotating shaft; the first motor (10) is mounted on the outside of the machine body (1) via a mounting seat; and the output shaft end of the first motor (10) is transmission-connected to the transmission blade (9) via a coupling.

3. A rotary kiln coal powder feeding structure according to claim 1, characterized in that: The closing mechanism comprises a screw (11), a second motor (12), a moving block (13), a limiting rod (14) and a baffle (15); the screw (11) is movably arranged inside the frame (4) via a rotating shaft; the second motor (12) is mounted on the outside of the frame (4) via a mounting seat; the output shaft end of the second motor (12) is transmission-connected to the screw (11) via a coupling; the moving block (13) is movably arranged on the outside of the screw (11) via a threaded hole; the limiting rod (14) is fixedly arranged inside the frame (4); the limiting rod (14) is movably connected to the moving block (13) via a mounting hole; the baffle (15) is fixedly arranged at the bottom end of the moving block (13); the baffle (15) passes through the machine body (1) and is in the feed port (2).

4. A rotary kiln coal powder feeding structure according to claim 1, characterized in that: The positioning mechanism comprises a threaded rod (16), a lifting block (17), a lifting slot (18) and a telescopic rod (19); the threaded rod (16) is movably arranged at the bottom end of the installation frame (8) via a rotating shaft; the lifting block (17) is movably arranged on the outside of the threaded rod (16) via a threaded hole; a lifting slot (18) is provided at the top end of one side of the lifting block (17); a telescopic rod (19) is fixedly arranged inside the lifting slot (18); and one end of the telescopic rod (19) is fixedly connected to the inner wall of the installation frame (8).

5. A rotary kiln coal powder feeding structure according to claim 4, characterized in that: A handle (20) is fixedly provided at the top end of the installation frame (8) and located at one end of the rotating shaft of the threaded rod (16).

6. A rotary kiln coal powder feeding structure according to claim 1, characterized in that: Fixed casters (21) are fixedly arranged on four sides of the bottom end of the base (6).

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