Air exhausting device of mesh belt furnace

Abstract

The utility model relates to the technical field of exhaust emission of mesh belt furnaces, and discloses an exhaust device of a mesh belt furnace, which comprises a purification box, an air inlet pipe, a top cover, a connecting pipe, a U-shaped pipe, an air pump, a baffle and an exhaust pipe. According to the mesh belt furnace exhaust device, the purification box is arranged, the filter screen, the activated carbon plate and the macromolecule filter plate are clamped in the purification box, waste gas can be primarily purified through the filter screen, then waste gas can be fully purified through the activated carbon and the macromolecule filter plate, pollution of the waste gas to air is reduced, and the air quality is improved; air backflow can be prevented during use, and unpurified air can be further prevented from being discharged out of the device and polluting the air.

Description

Technical Field

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

[0002] A mesh belt furnace is an industrial equipment used for heat treatment, drying or sintering. A common mesh belt furnace exhaust device is to install an exhaust duct and an exhaust fan in the processing room to discharge exhaust gas and water vapor. The exhaust duct is generally arranged along the top or side of the mesh belt furnace to effectively collect exhaust gas and water vapor. The exhaust port is usually located at the top or side of the mesh belt furnace and is connected to the exhaust duct. The exhaust gas and water vapor are discharged to the outdoor environment through the exhaust port.

[0003] However, the existing device does not filter the exhaust gas when it is discharged, so that the discharged exhaust gas affects the air, which affects the physical and mental health of workers over time. In addition, when the device stops working, the exhaust device does not block the air, so that the air will flow back to the mesh belt furnace through the exhaust device, which may affect the products in the mesh belt furnace. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a mesh belt furnace exhaust device, which solves the problems in the prior art:

[0005] The exhaust gas is not filtered when it is discharged, so that the discharged exhaust gas affects the air, which affects the physical and mental health of the workers over time. In addition, when the device stops working, the exhaust device does not block the air, so that the air will flow back to the mesh belt furnace through the exhaust device, which may affect the products in the mesh belt furnace.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a mesh belt furnace exhaust device, a purification box, one side of the purification box is fixedly equipped with an air inlet pipe for connecting to the mesh belt furnace, the top of the purification box is fixedly equipped with a top cover for sealing, one side of the purification box is horizontally provided with two connecting pipes for convenient connection, one side of the connecting pipe is fixedly equipped with a U-shaped pipe for conveying gas, the top of the top cover is provided with an air pump for increasing the gas flow rate, a baffle plate for blocking gas is movably installed inside the purification box, and one side of the air pump is provided with an exhaust pipe for discharging gas.

[0007] Optionally, five card slots for card connection are provided inside the purification box, a filter is carded in the card slot close to the air inlet pipe, two activated carbon plates are carded in the two card slots on the filter side, and two polymer filter plates are carded in the two card slots close to the connecting pipe side.

[0008] Optionally, a flange for installation is provided on one side of the connecting pipe, and a plurality of threaded holes for installation are opened on one side of the flange.

[0009] Optionally, a rubber plug for sealing is clamped on one side of the U-shaped tube, and the other side of the rubber plug is clamped on the connecting tube.

[0010] Optionally, a base for support is provided at the bottom of the air pump, and a driving mechanism for providing power is provided at the top of the air pump.

[0011] Optionally, a screw for support is sleeved on one side of the baffle plate, and a nut for reinforcement is threadedly connected to one side of the screw, and the baffle plate is movably installed inside the purification box through the screw and the nut.

[0012] The utility model provides a mesh belt furnace exhaust device, which has the following beneficial effects:

[0013] 1. The mesh belt furnace exhaust device is equipped with a purification box, and a filter screen, an activated carbon plate and a polymer filter plate are connected inside. The filter screen can perform initial purification on the waste, and then the activated carbon and polymer filter plates can be set to fully purify the waste gas, reduce the pollution of the waste gas to the air, and improve the air quality. The barrier plate can prevent air backflow during use, and can further prevent the unpurified air from being discharged from the device and causing air pollution.

[0014] 2. The mesh belt furnace exhaust device is provided with a detachable top cover, which makes it easy to replace the filter inside the purification box, thereby increasing the convenience of the device. The U-shaped pipe is provided to facilitate the transportation of purified air for easy discharge into the air. The air pump is provided to increase the rate at which the device absorbs and discharges air during use, thereby increasing the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the structure of the purification box of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the connecting pipe of the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the U-shaped tube of the utility model;

[0019] Figure 5 This is a schematic diagram of the top cover structure of the utility model;

[0020] Figure 6 For this utility model Figure 2Enlarged structural diagram at A in the middle.

[0021] In the figure: 1. air inlet pipe; 2. purification box; 3. top cover; 4. connecting pipe; 5. U-shaped pipe; 6. air pump; 7. baffle plate; 8. exhaust pipe; 9. slot; 10. filter screen; 11. activated carbon plate; 12. polymer filter plate; 13. flange; 14. threaded hole; 15. rubber plug; 16. base; 17. driving mechanism; 18. screw; 19. nut. DETAILED DESCRIPTION

[0022] 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. 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. Example

[0023] See also Figures 1 to 6 The utility model provides a technical solution: a mesh belt furnace exhaust device, in order to facilitate the device to purify the exhaust gas discharged from the mesh belt furnace when in use, a device air intake pipe 1, a purification box 2 and a top cover 3 are provided;

[0024] A purification box 2, one side of which is fixedly installed with an air intake pipe 1 for connecting to the mesh belt furnace, and a top cover 3 for closing is fixedly installed on the top of the purification box 2. Five card slots 9 for card connection are provided inside the purification box 2. The card slot 9 close to the side of the air intake pipe 1 is carded with a filter screen 10, and the two card slots 9 on the side of the filter screen 10 are carded with two activated carbon plates 11, and the two card slots 9 close to the side of the connecting pipe 4 are carded with two polymer filter plates 12. Therefore, the card slots 9 are provided to facilitate the card connection and fixation of the filter screen 10, the activated carbon plate 11 and the polymer filter plate 12. The filter screen 10 can block large particles in the exhaust gas when in use, and then the exhaust gas is further purified by the two activated carbon plates 11 and the two polymer filter plates 12, so as to reduce the content of harmful substances in the exhaust gas. Example

[0025] In order to facilitate the delivery of purified air during use and to block the gas when the device stops working, a device connecting pipe 4, a U-shaped pipe 5 and a blocking plate 7 are provided;

[0026] Two connecting pipes 4 for convenient connection are arranged horizontally on one side of the purification box 2, a U-shaped pipe 5 for conveying gas is fixedly installed on one side of the connecting pipe 4, a baffle plate 7 for blocking gas is movably installed inside the purification box 2, a flange 13 for installation is arranged on one side of the connecting pipe 4, a plurality of threaded holes 14 for installation are opened on one side of the flange 13, a rubber plug 15 for sealing is clamped on one side of the U-shaped pipe 5, and the other side of the rubber plug 15 is clamped on the connecting pipe 4, a screw 18 for support is sleeved on one side of the baffle plate 7, and a screw 18 is threadedly connected on one side of the screw 18 The reinforced nut 19 is used to movably install the baffle plate 7 inside the purification box 2 through the screw 18 and the nut 19. Therefore, the setting of the flange 13 can facilitate the installation of the device to achieve the purpose of quick disassembly and assembly. The threaded hole 14 is set to fix the device when in use. The rubber plug 15 is set to increase the sealing of the connection between the two devices to prevent air leakage. The screw 18 is set to cooperate with the nut 19 to fix the baffle plate 7. Only one end of the screw 18 is provided with a thread for easy installation and also for the convenience of the baffle plate 7 to move. Example

[0027] In order to increase the processing speed of the device for exhaust gas during use, an air pump 6 and an exhaust pipe 8 are provided;

[0028] An air pump 6 for increasing the gas flow rate is arranged on the top of the top cover 3, an exhaust pipe 8 for discharging gas is arranged on one side of the air pump 6, a base 16 for support is arranged at the bottom of the air pump 6, and a driving mechanism 17 for providing power is arranged on the top of the air pump 6. Therefore, the base 16 is arranged to increase the stability of the air pump 6 so that it will not fall off the device during operation, and the driving mechanism 17 is arranged to provide power for the air pump 6 so that it can work normally.

[0029] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0030] In the utility model, the working steps of the device are as follows:

[0031] The exhaust gas emitted by the mesh belt furnace enters the device through the air inlet pipe 1. The gas first passes through the filter 10 to filter the large particles in the exhaust gas. Secondly, the exhaust gas is filtered for the second time through two activated carbon plates 11 and two polymer filter plates 12 to reduce harmful substances in the exhaust gas and meet the emission requirements. The purified exhaust gas is transported to the U-shaped tube 5 through the connecting pipe 4. The baffle plate 7 for blocking the exhaust gas is pushed open by the power provided by the air pump 6, and discharged from the device through the exhaust pipe 8. When the device is closed, due to the lack of power, the baffle plate 7 is lowered to block the exhaust gas to prevent it from flowing back into the mesh belt furnace.

[0032] 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 mesh belt furnace exhaust device, a purification box (2), characterized in that: An air inlet pipe (1) for connecting to a mesh belt furnace is fixedly mounted on one side of the purification box (2); a top cover (3) for sealing is fixedly mounted on the top of the purification box (2); two connecting pipes (4) for convenient connection are transversely arranged on one side of the purification box (2); a U-shaped pipe (5) for conveying gas is fixedly mounted on one side of the connecting pipe (4); an air pump (6) for increasing the gas flow rate is arranged on the top of the top cover (3); a baffle plate (7) for blocking gas is movably mounted inside the purification box (2); and an exhaust pipe (8) for discharging gas is arranged on one side of the air pump (6).

2. The mesh belt furnace exhaust device according to claim 1, characterized in that: Five slots (9) for snapping are provided inside the purification box (2); a filter screen (10) is snapped into the slot (9) close to the air inlet pipe (1); two activated carbon plates (11) are snapped into the two slots (9) on the side of the filter screen (10); and two polymer filter plates (12) are snapped into the two slots (9) close to the connecting pipe (4).

3. The mesh belt furnace exhaust device according to claim 1, characterized in that: A flange (13) for installation is provided on one side of the connecting pipe (4), and a plurality of threaded holes (14) for installation are opened on one side of the flange (13).

4. The mesh belt furnace exhaust device according to claim 1, characterized in that: A rubber plug (15) for sealing is clamped on one side of the U-shaped tube (5), and the other side of the rubber plug (15) is clamped on the connecting tube (4).

5. The mesh belt furnace exhaust device according to claim 1, characterized in that: A base (16) for supporting is arranged at the bottom of the air pump (6), and a driving mechanism (17) for providing power is arranged at the top of the air pump (6).

6. The mesh belt furnace exhaust device according to claim 1, characterized in that: A screw (18) for support is sleeved on one side of the baffle plate (7), and a nut (19) for reinforcement is threadedly connected to one side of the screw (18). The baffle plate (7) is movably mounted inside the purification box (2) via the screw (18) and the nut (19).

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