Air exhausting device of mesh belt furnace

Abstract

The utility model belongs to the technical field of mesh belt furnaces, and particularly relates to a mesh belt furnace exhaust device which comprises a heating assembly and an exhaust assembly. And the exhaust assembly comprises a gas collecting hood, a treatment box, a mounting frame, a filter screen, an activated carbon plate, a slot, a sealing gasket, an exhaust fan, an exhaust pipeline, a motor, a connecting block, a brush roller, a fixing hole and a bolt. An exhaust fan is started to extract waste gas generated in a furnace body, a gas collecting hood introduces the waste gas into a treatment box, a mounting frame is inserted into an inserting groove for limiting, inclination caused by suction force of the exhaust fan is prevented, the sealing performance of the treatment box is enhanced through a sealing gasket, particulate matter in the waste gas is filtered through a filter screen, and harmful gas in the waste gas is adsorbed through an activated carbon plate; waste gas is exhausted from the exhaust pipeline through the exhaust fan, part of organic matter is pre-cooled and condensed, the motor is started to drive the connecting block to rotate, so that the brush roller cleans the inner wall of the exhaust pipeline, and the brush roller is drawn out from the exhaust pipeline by screwing off the bolt.

Description

Technical Field

[0001] The utility model relates to the technical field of mesh belt furnaces, in particular to an exhaust device for a mesh belt furnace. Background Technique

[0002] A mesh belt furnace is a sintering furnace that uses a mesh belt to continuously convey parts inside the furnace. The inside of the mesh belt furnace is mainly divided into a degumming area and a high-temperature area. The degumming area is used for preliminary heating of products. At this time, some organic substances in the binder mixed in the products will gasify at high temperatures. Therefore, it is necessary to discharge the gasified organic substances. The organic substances in the waste gas will condense after cooling;

[0003] Chinese invention patent publication: CN202120293250.4 discloses an environment-friendly mesh belt furnace, which specifically relates to the technical field of mesh belt furnaces, including a furnace body. A mesh belt is arranged on the top of the furnace body, a processing chamber is arranged on the top of the mesh belt, a top cover is arranged on the top of the processing chamber, an exhaust pipe is arranged on one side of the top of the top cover, and an extended pipe orifice assembly is arranged at one end of the exhaust pipe; the extended pipe orifice assembly includes an extended pipe. Limiting stop strips are welded around the inner wall of the extended pipe. An insertion plate is arranged between every two adjacent limiting stop strips. A baffle is welded on one side of the insertion plate, and sealing inclined surfaces are arranged on both sides of the baffle. By providing the extended pipe orifice assembly, the orifice of the exhaust pipe of the utility model is more convenient to clean, avoiding the problem of excessive condensation of organic substances at the orifice, thereby avoiding the situation that excessive condensation of organic substances drips onto the products and corrodes the products, making the actual use effect of the utility model better;

[0004] This mesh belt furnace can avoid the problem of excessive condensation of organic substances at the orifice, but it is necessary to manually wipe the condensate after removing multiple baffles, which is troublesome to disassemble and assemble, time-consuming and laborious; for this reason, an exhaust device for a mesh belt furnace is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide an exhaust device for a mesh belt furnace to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An exhaust device for a mesh belt furnace includes a heating component and an exhaust component. The heating component includes a furnace body. The exhaust component includes a gas collecting hood, a treatment box, an installation frame, a filter screen, an activated carbon plate, a slot, a sealing gasket, an exhaust fan, an exhaust pipe, a motor, a connecting block, a brush roller, a fixing hole and a bolt;

[0007] The upper surface of the furnace body is communicated with a gas collecting hood. A treatment box is arranged on the right side of the gas collecting hood. The lower surface of the treatment box is welded to the upper surface of the furnace body. A pair of mounting frames are inserted into the upper surface of the treatment box. A filter screen is mounted on the inner side wall of one mounting frame, and an activated carbon plate is mounted on the inner side wall of the other mounting frame. A slot is formed in the lower side of the inner side wall of the treatment box, and the outer side wall of the mounting frame is inserted into the inner side wall of the slot. A sealing gasket is bonded to the upper side of the outer side wall of the mounting frame. The right side of the treatment box is communicated with an exhaust fan. The exhaust end of the exhaust fan is communicated with an exhaust duct. A motor is arranged on the lower side of the exhaust duct. The motor is mounted on the upper surface on the right side of the furnace body. The output end of the motor is fixedly connected with a connecting block. A brush roller is rotatably connected to the inner side wall of the exhaust duct. The lower end of the brush roller penetrates through the exhaust duct, and the lower end of the brush roller is inserted into the inner side wall of the connecting block. Fixing holes are formed in the outer side wall of the brush roller, and bolts are threadedly connected to the inner side walls of the fixing holes.

[0008] As a further preference of this technical solution: The heating assembly further includes a workbench, a mesh belt conveyor, heating pipes, a support frame and a maintenance door. The lower surface of the furnace body is welded with a workbench, and a mesh belt conveyor is mounted on the inner side wall of the workbench.

[0009] As a further preference of this technical solution: Uniformly distributed heating pipes are mounted on the inner side wall of the furnace body.

[0010] As a further preference of this technical solution: The support frame is welded to the lower surface of the workbench, and the maintenance door is hinged to the front surface of the furnace body.

[0011] As a further preference of this technical solution: The exhaust assembly further includes a ventilation pipe, a connecting pipe, a handle, a first mounting bracket and a second mounting bracket. A ventilation pipe is communicated between the upper surface of the gas collecting hood and the left side wall of the treatment box, and a connecting pipe is communicated between the treatment box and the suction end of the exhaust fan.

[0012] As a further preference of this technical solution: The handle is welded to the upper surface of the mounting frame.

[0013] As a further preference of this technical solution: The first mounting bracket is fixedly connected to the outer side wall of the exhaust fan, and the second mounting bracket is fixedly connected to the outer side wall of the motor. The lower surfaces of the first mounting bracket and the second mounting bracket are both welded to the upper surface of the furnace body.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] When the utility model is in use, start the exhaust fan to extract the waste gas generated in the furnace body. The air collecting hood guides the waste gas into the treatment box. By inserting the installation frame into the slot for positioning, it can prevent tilting due to the suction of the exhaust fan. The sealing gasket enhances the sealing performance of the treatment box. The filter screen filters the particulate matter in the waste gas, and the activated carbon plate adsorbs the harmful gases in the waste gas. The waste gas is discharged from the exhaust pipe by the exhaust fan. Part of the organic matter is pre-condensed. Start the motor to drive the connecting block to rotate, so that the brush roller cleans the inner wall of the exhaust pipe. By unscrewing the bolt, the brush roller can be pulled out from the exhaust pipe for easy cleaning and replacement, without manually wiping the condensate, which saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the front view structural schematic diagram of the utility model;

[0017] Figure 2 is the structural schematic diagram of the mesh belt conveyor and the heating pipe of the utility model;

[0018] Figure 3 is the sectional structural schematic diagram of the slot, the ventilation pipe and the connecting pipe of the utility model;

[0019] Figure 4 is the structural schematic diagram of the installation frame and the sealing gasket of the utility model;

[0020] Figure 5 is the structural schematic diagram of part of the exhaust components of the utility model;

[0021] Figure 6 is the structural schematic diagram of the connecting block, the fixing hole and the bolt of the utility model.

[0022] In the figure: 10. Heating component; 11. Furnace body; 12. Workbench; 13. Mesh belt conveyor; 14. Heating pipe; 15. Support frame; 16. Inspection door; 20. Exhaust component; 21. Air collecting hood; 22. Treatment box; 23. Installation frame; 24. Filter screen; 25. Activated carbon plate; 26. Slot; 27. Sealing gasket; 28. Exhaust fan; 29. Exhaust pipe; 210. Motor; 211. Connecting block; 212. Brush roller; 213. Fixing hole; 214. Bolt; 215. Ventilation pipe; 216. Connecting pipe; 217. Handle; 218. First mounting bracket; 219. Second mounting bracket. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the protection scope of the present utility model.

[0024] Please refer to Figures 1-6 , the present utility model provides a technical solution: a net belt furnace exhaust device, including a heating assembly 10 and an exhaust assembly 20. The heating assembly 10 includes a furnace body 11, and the exhaust assembly 20 includes a gas collecting hood 21, a treatment box 22, a mounting frame 23, a filter screen 24, an activated carbon plate 25, a slot 26, a sealing gasket 27, an exhaust fan 28, an exhaust pipe 29, a motor 210, a connecting block 211, a brush roller 212, a fixing hole 213, and a bolt 214;

[0025] The upper surface of the furnace body 11 is communicated with a gas collecting hood 21. A treatment box 22 is arranged on the right side of the gas collecting hood 21. The lower surface of the treatment box 22 is welded to the upper surface of the furnace body 11. A pair of mounting frames 23 are inserted into the upper surface of the treatment box 22. A filter screen 24 is installed on the inner side wall of one mounting frame 23, and an activated carbon plate 25 is installed on the inner side wall of the other mounting frame 23. A slot 26 is formed in the lower side of the inner side wall of the treatment box 22. The outer side wall of the mounting frame 23 is inserted into the inner side wall of the slot 26. A sealing gasket 27 is adhesively bonded to the upper side of the outer side wall of the mounting frame 23. The right side of the treatment box 22 is communicated with an exhaust fan 28. The exhaust end of the exhaust fan 28 is communicated with an exhaust duct 29. A motor 210 is arranged on the lower side of the exhaust duct 29. The motor 210 is installed on the upper surface on the right side of the furnace body 11. The output end of the motor 210 is fixedly connected with a connecting block 211. The inner side wall of the exhaust duct 29 is rotatably connected with a brush roller 212. The lower end of the brush roller 212 penetrates through the exhaust duct 29. The lower end of the brush roller 212 is inserted into the inner side wall of the connecting block 211. Fixing holes 213 are formed in the outer side wall of the brush roller 212. A bolt 214 is threadedly connected to the inner side wall of the fixing hole 213. During use, the exhaust fan 28 is started to extract the waste gas generated by heating the workpiece in the furnace body 11. The gas collecting hood 21 is beneficial to increasing the extraction area. The waste gas enters the treatment box 22. By inserting the mounting frame 23 into the slot 26, the mounting frame 23 is limited to prevent it from tilting due to the suction of the exhaust fan 28. The sealing gasket 27 enhances the sealing performance of the treatment box 22. The filter screen 24 in the mounting frame 23 filters the particulate matter in the waste gas, and the activated carbon plate 25 adsorbs the harmful gases in the waste gas. The waste gas is discharged from the exhaust duct 29 through the exhaust fan 28, and part of the organic matter is pre-condensed. The motor 210 is started to drive the connecting block 211 to rotate, so that the brush roller 212 cleans the inner wall of the exhaust duct 29. After using for a long time, the user pulls out the mounting frame 23 from the treatment box 22, which is convenient for cleaning and replacing the filter screen 24 and the activated carbon plate 25. By unscrewing the bolt 214, the brush roller 212 is pulled out from the exhaust duct 29, which is convenient for cleaning and replacing, and there is no need to manually wipe the condensate, saving time and effort.

[0026] In this embodiment, specifically: The heating assembly 10 further includes a workbench 12, a mesh belt conveyor 13, heating tubes 14, a support frame 15 and a maintenance door 16. The lower surface of the furnace body 11 is welded with a workbench 12, and a mesh belt conveyor 13 is installed on the inner side wall of the workbench 12; The workbench 12 is used to support the furnace body 11, and the mesh belt conveyor 13 is used to transport the workpiece materials to be processed into the furnace body 11.

[0027] In this embodiment, specifically: Evenly distributed heating tubes 14 are installed on the inner side wall of the furnace body 11; The heating tubes 14 can be made of electrothermal alloy material, and the heating tubes 14 work to emit high temperature to process the workpiece.

[0028] In this embodiment, specifically: a support frame 15 is welded to the lower surface of the workbench 12, and a maintenance door 16 is hinged to the front surface of the furnace body 11; the maintenance door 16 facilitates the user to perform maintenance inside the furnace body 11.

[0029] In this embodiment, specifically: the exhaust assembly 20 further includes a ventilation pipe 215, a connecting pipe 216, a handle 217, a first mounting bracket 218, and a second mounting bracket 219. A ventilation pipe 215 is connected between the upper surface of the air collecting hood 21 and the left side wall of the treatment box 22, and a connecting pipe 216 is connected between the treatment box 22 and the air extraction end of the exhaust fan 28; the ventilation pipe 215 is used to introduce the waste gas from the air collecting hood 21 into the treatment box 22 for treatment, and the connecting pipe 216 is made of a heat-insulating flexible pipe and is used to connect the treatment box 22 and the exhaust fan 28 to prevent the waste gas from condensing on the exhaust fan 28.

[0030] In this embodiment, specifically: a handle 217 is welded to the upper surface of the mounting frame 23; the handle 217 facilitates the user to pull out the mounting frame 23 from the treatment box 22.

[0031] In this embodiment, specifically: a first mounting bracket 218 is fixedly connected to the outer side wall of the exhaust fan 28, and a second mounting bracket 219 is fixedly connected to the outer side wall of the motor 210. The lower surfaces of the first mounting bracket 218 and the second mounting bracket 219 are both welded to the upper surface of the furnace body 11; the first mounting bracket 218 is used to support and fix the exhaust fan 28, and the second mounting bracket 219 is used to support and fix the motor 210 to improve the working stability.

[0032] The working principle of the present utility model is as follows: during use, the workpiece to be processed is conveyed into the furnace body 11 through the mesh belt conveyor 13, and the workpiece is processed by the high temperature generated by the operation of a plurality of heating tubes 14. The exhaust fan 28 is started to extract the waste gas generated by heating the workpiece in the furnace body 11. The air collecting hood 21 is beneficial to increasing the extraction area. The waste gas enters the treatment box 22 through the ventilation pipe 215. By inserting the mounting frame 23 into the slot 26, the mounting frame 23 is limited to prevent it from tilting due to the suction of the exhaust fan 28. The sealing gasket 27 enhances the sealing performance of the treatment box 22. The filter screen 24 in the mounting frame 23 filters the particulate matter in the waste gas, and the activated carbon plate 25 adsorbs the harmful gases in the waste gas. The waste gas is discharged from the exhaust fan 28 through the exhaust pipe 29, and part of the organic matter is pre-condensed. The motor 210 is started to drive the connecting block 211 to rotate, so that the brush roller 212 cleans the inner wall of the exhaust pipe 29. After using for a long time, the user pulls out the mounting frame 23 from the treatment box 22, which is convenient for cleaning and replacing the filter screen 24 and the activated carbon plate 25. By unscrewing the bolt 214, the brush roller 212 is pulled out from the exhaust pipe 29, which is convenient for cleaning and replacement, and there is no need to manually wipe the condensate, saving time and effort.

[0033] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A mesh belt furnace exhaust device, comprising a heating component (10) and an exhaust component (20), characterized in that: The heating assembly (10) comprises a furnace body (11), and the exhaust assembly (20) comprises an air collecting hood (21), a processing box (22), a mounting frame (23), a filter screen (24), an activated carbon plate (25), a slot (26), a sealing gasket (27), an exhaust fan (28), an exhaust duct (29), a motor (210), a connecting block (211), a brush roller (212), a fixing hole (213) and a bolt (214); The upper surface of the furnace body (11) is connected to an air collecting hood (21), a processing box (22) is provided on the right side of the air collecting hood (21), the lower surface of the processing box (22) is welded to the upper surface of the furnace body (11), a pair of mounting frames (23) are inserted into the upper surface of the processing box (22), a filter screen (24) is installed on the inner side wall of one mounting frame (23), an activated carbon plate (25) is installed on the inner side wall of the other mounting frame (23), a slot (26) is provided on the lower side of the inner side wall of the processing box (22), the inner side wall of the slot (26) is plugged into the outer side wall of the mounting frame (23), a sealing gasket (27) is bonded to the upper side of the outer side wall of the mounting frame (23), and the right side of the processing box (22) is connected to a suction port. A fan (28), wherein the exhaust end of the exhaust fan (28) is connected to an exhaust duct (29), a motor (210) is provided on the lower side of the exhaust duct (29), the motor (210) is installed on the right side of the upper surface of the furnace body (11), the output end of the motor (210) is fixedly connected to a connecting block (211), the inner wall of the exhaust duct (29) is rotatably connected to a brush roller (212), the lower end of the brush roller (212) passes through the exhaust duct (29), the lower end of the brush roller (212) is inserted into the inner wall of the connecting block (211), the outer wall of the brush roller (212) is provided with a fixing hole (213), and the inner wall of the fixing hole (213) is threadedly connected with a bolt (214).

2. The mesh belt furnace exhaust device according to claim 1, characterized in that: The heating assembly (10) further comprises a workbench (12), a mesh belt conveyor (13), a heating tube (14), a support frame (15) and an inspection door (16); the workbench (12) is welded to the lower surface of the furnace body (11), and the mesh belt conveyor (13) is installed on the inner side wall of the workbench (12).

3. The mesh belt furnace exhaust device according to claim 2, characterized in that: The inner side wall of the furnace body (11) is provided with uniformly distributed heating tubes (14).

4. The mesh belt furnace exhaust device according to claim 2, characterized in that: A support frame (15) is welded to the lower surface of the workbench (12), and an inspection door (16) is hinged to the front surface of the furnace body (11).

5. The mesh belt furnace exhaust device according to claim 1, characterized in that: The exhaust assembly (20) further includes a ventilation pipe (215), a connecting pipe (216), a handle (217), a first mounting frame (218) and a second mounting frame (219); a ventilation pipe (215) is connected between the upper surface of the air collecting hood (21) and the left side wall of the processing box (22); and a connecting pipe (216) is connected between the processing box (22) and the exhaust end of the exhaust fan (28).

6. The mesh belt furnace exhaust device according to claim 5, characterized in that: A handle (217) is welded to the upper surface of the installation frame (23).

7. The mesh belt furnace exhaust device according to claim 5, characterized in that: The outer wall of the exhaust fan (28) is fixedly connected to a first mounting frame (218), and the outer wall of the motor (210) is fixedly connected to a second mounting frame (219), and the lower surfaces of the first mounting frame (218) and the second mounting frame (219) are both welded to the upper surface of the furnace body (11).

Images