Fly ash prevention discharging structure of solid waste drying rotary furnace

Abstract

The utility model discloses a solid waste drying rotary furnace fly ash discharging prevention structure which comprises a rotary furnace body, a fly ash treatment box is arranged on one side of the rotary furnace body, a suction fan is fixedly installed at the upper end of the fly ash treatment box, and the output end of the suction fan is fixedly communicated with a storage box. And a filter screen is fixedly mounted on one side of the inner wall of the storage box, one side of the filter screen is located on one side of the output end of the suction fan, and one side of the storage box fixedly communicates with a dust suction pipe. The driving device is reversely started, the rotary furnace body reversely rotates, solid waste in the rotary furnace body passes through the threaded blades, the solid waste is discharged from the rotary furnace body and enters the fly ash treatment box, meanwhile, the suction fan is started, dust is sucked into the storage box from the first dust suction head and the second dust suction head, fly ash is generated when the solid waste is discharged, and the solid waste is prevented from entering the fly ash treatment box from the first dust suction head and the second dust suction head. Therefore, the working environment is improved, and the body health of workers is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of solid waste rotary furnace drying, in particular to a fly ash discharging prevention structure of a solid waste drying rotary furnace. Background Art

[0002] Solid waste, also known as solid waste, refers to solids, semi-solids, and gaseous items placed in containers that have lost their original utilization value or have not lost their utilization value but have been discarded or abandoned during production, life and other activities, as well as materials and items that are included in waste management according to laws and administrative regulations. Therefore, when drying solid waste, a rotary kiln is required for drying, and a discharge structure is required to transport the dried solid waste out of the rotary kiln.

[0003] In the prior art, for example, Chinese patent CN116951964A discloses a rotary kiln with a continuous discharging structure, including an insulated furnace body and a plurality of stirring sections, each stirring section being provided with a plurality of conveying plows, each conveying plow having an inclination angle with respect to the vertical direction; when any batch of raw materials passes through any heating interval, inside the stirring section corresponding to the heating interval, the inclination angle of each conveying plow with respect to the vertical direction can be adjusted according to the quality of the raw materials of the batch.

[0004] At present, most of the rotary kiln discharge structures start the driving device and rotate the rotary kiln in the reverse direction, so that the solid waste rises along with the threaded blades in the rotary kiln and the solid waste is discharged from the rotary kiln. When the solid waste is discharged, the dust on the solid waste will be discharged along with the solid waste, and the dust falling from high to low will cause the dust to fly, affecting the working environment and making it inconvenient to use. Summary of the invention

[0005] The purpose of the utility model is to provide a fly ash discharging prevention structure for a solid waste drying rotary furnace to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fly ash discharging prevention structure of a solid waste drying rotary kiln, comprising a rotary kiln body, a fly ash treatment box is arranged on one side of the rotary kiln body, a suction fan is fixedly installed on the upper end of the fly ash treatment box, the output end of the suction fan is fixedly connected to a storage box, a filter is fixedly installed on one side of the inner wall of the storage box, one side of the filter is located on one side of the output end of the suction fan, one side of the storage box is fixedly connected to a dust suction pipe, one side of the fly ash treatment box is fixedly installed with an ash suction head 2, one side of the ash suction head 2 is connected to one end of the dust suction pipe, and the other side of the fly ash treatment box is fixedly installed with an ash suction head 1, one side of the ash suction head 1 is fixedly connected to the other end of the dust suction pipe.

[0007] As a further preferred embodiment of the present technical solution, a discharge frame is slidably connected to the middle portion of the lower end of the fly ash treatment box, and a lifting handle is fixedly connected to one side of the discharge frame.

[0008] As a further preferred embodiment of the present technical solution, both sides of the outer side wall of the rotary kiln body are rotatably connected with support frames, and the lower end of the support frame is fixedly connected with a mounting platform.

[0009] As a further preferred embodiment of the present technical solution, a reinforcing rib is fixedly connected to one side of the mounting platform, and one side of the reinforcing rib is fixedly connected to one side of the fly ash treatment box.

[0010] As a further preferred embodiment of the present technical solution, a driving device is fixedly installed in the middle of the upper end of the mounting table, the output end of the driving device is transmission-connected with a driving gear, a gear ring is fixedly connected to the middle of the outer wall of the rotary kiln body, one side of the driving gear is meshed with one side of the gear ring, and a threaded blade is fixedly connected to the inner wall of the rotary kiln body.

[0011] As a further preferred embodiment of the present technical solution, a cleaning box is slidably connected to the inner wall of the storage box, a mounting tube is fixedly connected to one side of the storage box, a fixing rod is slidably connected to the inner wall of the mounting tube, and one end of the fixing rod is clamped with one side of the outer wall of the cleaning box.

[0012] As a further preferred embodiment of the present technical solution, a mounting ring is fixedly connected to one side of the outer wall of the fixing rod, a return spring is fixedly connected to one side of the mounting ring, one side of the return spring is fixedly connected to one side of the inner wall of the mounting tube, one end of the fixing rod is rotatably connected to a rotating handle, and one side of the rotating handle is slidably connected to one side of the mounting tube.

[0013] The utility model provides a fly ash discharging prevention structure for a solid waste drying rotary furnace, which has the following beneficial effects:

[0014] (1) The utility model starts the driving device in reverse, and the rotary kiln body rotates in the reverse direction. The solid waste in the rotary kiln body passes through the threaded blades, and the solid waste is discharged from the rotary kiln body into the fly ash treatment box. At the same time, the suction fan is turned on, and the dust is sucked into the storage box from the ash suction head 1 and the ash suction head 2, so that fly ash will be generated when the solid waste is discharged, thereby improving the working environment and ensuring the health of the staff.

[0015] (2) The utility model releases the restriction of the cleaning box by turning the rotating handle, so that the fixing rod slides from the storage box into the installation tube, and then the cleaning box is pulled out of the storage box to clean the dust in the storage box. This has a simple structure, is easy to operate, and improves the cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the fly ash treatment box in the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the storage box in the utility model;

[0019] Figure 4 It is a schematic diagram of the explosion structure of the installation tube in the utility model;

[0020] In the figure: 1. Rotary kiln body; 2. Gear ring; 3. Mounting table; 4. Support frame; 5. Reinforcement ribs; 6. Fly ash treatment box; 7. Dust suction pipe; 8. Ash suction head one; 9. Ash suction head two; 10. Storage box; 11. Suction fan; 12. Unloading frame; 13. Lifting handle; 14. Driving gear; 15. Driving device; 16. Mounting cylinder; 17. Cleaning box; 18. Threaded blades; 19. Filter screen; 20. Fixing rod; 21. Reset spring; 22. Mounting ring; 23. Turning handle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] The utility model provides a technical solution: Figure 1 - Figure 4 As shown, in this embodiment, the fly ash discharging prevention structure of the solid waste drying rotary furnace includes a rotary furnace body 1, a fly ash treatment box 6 is arranged on one side of the rotary furnace body 1, a suction fan 11 is fixedly installed on the upper end of the fly ash treatment box 6, the output end of the suction fan 11 is fixedly connected to a storage box 10, a filter screen 19 is fixedly installed on one side of the inner wall of the storage box 10, one side of the filter screen 19 is located on one side of the output end of the suction fan 11, one side of the storage box 10 is fixedly connected to a dust suction pipe 7, and one side of the fly ash treatment box 6 is fixedly connected to the dust suction pipe 7. An ash suction head 2 9 is fixedly installed, one side of which is connected to one end of the dust suction pipe 7, and an ash suction head 1 8 is fixedly installed on the other side of the fly ash treatment box 6, one side of which is fixedly connected to the other end of the dust suction pipe 7. When solid waste is discharged from the rotary furnace body 1 and enters the fly ash treatment box 6, the suction fan 11 is turned on, and dust is sucked into the storage box 10 from the ash suction head 1 8 and the ash suction head 2 9, so that fly ash will be produced when solid waste is discharged, thereby improving the working environment and ensuring the health of the staff.

[0023] like Figure 1 and Figure 2 As shown, a discharge frame 12 is slidably connected to the middle of the lower end of the fly ash treatment box 6, and a lifting handle 13 is fixedly connected to one side of the discharge frame 12. The discharge port can be adjusted to the inside of the collection box through the discharge frame 12.

[0024] like Figure 1 and Figure 2 As shown, both sides of the outer wall of the rotary furnace body 1 are rotatably connected with support frames 4, and the lower ends of the support frames 4 are fixedly connected with the mounting platform 3. The two ends of the rotary furnace body 1 are supported by the two support frames 4, so that the rotary furnace body 1 can rotate on the mounting platform 3.

[0025] like Figure 1 As shown, a reinforcing rib 5 is fixedly connected to one side of the mounting platform 3 , and one side of the reinforcing rib 5 is fixedly connected to one side of the fly ash treatment box 6 , so that the fly ash treatment box 6 is stably fixed on the mounting platform 3 through the reinforcing rib 5 .

[0026] like Figure 1 and Figure 2 As shown, a driving device 15 is fixedly installed in the middle of the upper end of the mounting platform 3, and the output end of the driving device 15 is transmission-connected with a driving gear 14, a gear ring 2 is fixedly connected to the middle of the outer wall of the rotary furnace body 1, one side of the driving gear 14 is meshed with one side of the gear ring 2, and a threaded blade 18 is fixedly connected to the inner wall of the rotary furnace body 1. By opening the driving device 15 in reverse, the rotary furnace body 1 rotates in reverse, and the solid waste in the rotary furnace body 1 passes through the threaded blade 18, and the solid waste is discharged from the rotary furnace body 1 into the fly ash treatment box 6.

[0027] like Figure 2 - Figure 4 As shown, the inner wall of the storage box 10 is slidably connected with a cleaning box 17, one side of the storage box 10 is fixedly connected with a mounting tube 16, the inner wall of the mounting tube 16 is slidably connected with a fixing rod 20, one end of the fixing rod 20 is clamped with one side of the outer wall of the cleaning box 17, and the cleaning box 17 can be fixed in the storage box 10 by inserting one end of the fixing rod 20 into the cleaning box 17 to prevent the vibration generated during the operation of the equipment and slide the cleaning box 17 out of the storage box 10.

[0028] like Figure 2 - Figure 4 As shown, a mounting ring 22 is fixedly connected to one side of the outer wall of the fixing rod 20, a return spring 21 is fixedly connected to one side of the mounting ring 22, one side of the return spring 21 is fixedly connected to one side of the inner wall of the mounting tube 16, one end of the fixing rod 20 is rotatably connected to a rotating handle 23, one side of the rotating handle 23 is slidably connected to one side of the mounting tube 16, and one end of the fixing rod 20 is stuck in the cleaning box 17 through the reaction force of the return spring 21.

[0029] The utility model provides a fly ash discharging prevention structure for a solid waste drying rotary furnace, and the specific working principle is as follows:

[0030] When discharging solid waste from the drying rotary kiln, first slide the discharge frame 12, and put the lower end of the discharge frame 12 into the discharge box, then start the reverse opening drive device 15, the rotary kiln body 1 rotates in the opposite direction, and the solid waste in the rotary kiln body 1 passes through the threaded blades 18, and the solid waste is discharged from the rotary kiln body 1 into the fly ash treatment box 6. At the same time, turn on the suction fan 11, and the dust is sucked into the storage box 10 from the ash suction head 1 8 and the ash suction head 2 9, so that more fly ash appears during discharge. When the equipment is used for a long time and the dust in the storage box 10 accumulates a lot, pull the rotating handle 23, and the fixing rod 20 slides from the storage box 10 to the installation tube 16, thereby releasing the restriction of the cleaning box 17, and then the cleaning box 17 is pulled out of the storage box 10 to clean the dust in the storage box 10.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fly ash discharging prevention structure for a solid waste drying rotary kiln, comprising a rotary kiln body (1), characterized in that: A fly ash treatment box (6) is provided on one side of the rotary kiln body (1), a suction fan (11) is fixedly mounted on the upper end of the fly ash treatment box (6), the output end of the suction fan (11) is fixedly connected to a storage box (10), a filter screen (19) is fixedly mounted on one side of the inner wall of the storage box (10), one side of the filter screen (19) is located on one side of the output end of the suction fan (11), one side of the storage box (10) is fixedly connected to a dust suction pipe (7), a second ash suction head (9) is fixedly mounted on one side of the fly ash treatment box (6), one side of the second ash suction head (9) is connected to one end of the dust suction pipe (7), and a first ash suction head (8) is fixedly mounted on the other side of the fly ash treatment box (6), one side of the first ash suction head (8) is fixedly connected to the other end of the dust suction pipe (7).

2. The fly ash discharging prevention structure of the solid waste drying rotary furnace according to claim 1 is characterized in that: A material discharge frame (12) is slidably connected to the middle portion of the lower end of the fly ash treatment box (6), and a lifting handle (13) is fixedly connected to one side of the material discharge frame (12).

3. The fly ash discharging prevention structure of the solid waste drying rotary furnace according to claim 1 is characterized in that: Support frames (4) are rotatably connected to both sides of the outer wall of the rotary kiln body (1), and the lower end of the support frame (4) is fixedly connected to a mounting platform (3).

4. The fly ash discharging prevention structure of the solid waste drying rotary furnace according to claim 3 is characterized in that: A reinforcing rib (5) is fixedly connected to one side of the mounting platform (3), and one side of the reinforcing rib (5) is fixedly connected to one side of the fly ash treatment box (6).

5. The fly ash discharging prevention structure of the solid waste drying rotary furnace according to claim 3 is characterized in that: A driving device (15) is fixedly mounted in the middle of the upper end of the mounting platform (3); an output end of the driving device (15) is drivingly connected to a driving gear (14); a gear ring (2) is fixedly connected to the middle of the outer wall of the rotary kiln body (1); one side of the driving gear (14) meshes with one side of the gear ring (2); and a threaded blade (18) is fixedly connected to the inner wall of the rotary kiln body (1).

6. The fly ash discharging prevention structure of the solid waste drying rotary furnace according to claim 1, characterized in that: The inner wall of the storage box (10) is slidably connected to a cleaning box (17), one side of the storage box (10) is fixedly connected to a mounting tube (16), the inner wall of the mounting tube (16) is slidably connected to a fixing rod (20), and one end of the fixing rod (20) is clamped to one side of the outer wall of the cleaning box (17).

7. The fly ash discharging prevention structure of the solid waste drying rotary furnace according to claim 6, characterized in that: A mounting ring (22) is fixedly connected to one side of the outer wall of the fixing rod (20), a return spring (21) is fixedly connected to one side of the mounting ring (22), one side of the return spring (21) is fixedly connected to one side of the inner wall of the mounting tube (16), one end of the fixing rod (20) is rotatably connected to a rotating handle (23), and one side of the rotating handle (23) is slidably connected to one side of the mounting tube (16).

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