Flue gas treatment device for atmosphere sintering furnace

Abstract

The utility model relates to the technical field of flue gas treatment, and discloses an atmosphere sintering furnace flue gas treatment device which comprises a box body, the box body comprises a connecting plate, a cooling cylinder, a heat dissipation cylinder, a bottom plate, a first top plate and a second top plate, the bottom face of the bottom plate is fixedly connected with a plurality of supporting legs, and the top face of the bottom plate is fixedly connected with the bottom ends of the cooling cylinder and the heat dissipation cylinder. The heat dissipation assembly and the cooling assembly are arranged, so that heat conduction between the cooling pipe and the cooling flue is achieved, smoke in the cooling flue is cooled, the circulating pump controls flowing of coolants in the cooling pipe and the heat dissipation pipe, the cooling pipe and the cooling flue are cooled, the cooling pipe and the cooling flue are cooled, the cooling pipe and the cooling flue are cooled, the cooling effect is good, and the heat dissipation effect is good. The cooling agent heated after heat conduction flows to the heat dissipation pipe from the cooling pipe, the heat dissipation fan drives air to flow, and external air flows to the exhaust manifold from the heat dissipation fan, so that heat dissipation is conducted on the heat dissipation pipe and the cooling agent, and the situation that the filter assembly is damaged due to the fact that the smoke temperature is too high is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas treatment, and more specifically to a flue gas treatment device for an atmosphere sintering furnace. Background Art

[0002] An atmosphere sintering furnace is a device that performs sintering in a specific atmosphere and is widely used in the preparation of advanced ceramic materials. An atmosphere sintering furnace typically consists of a heating device, a pressure mechanism, a sintering chamber, and a gas control system. During the sintering process, the ceramic material is first placed in the furnace, and then the temperature inside the furnace is raised to the desired temperature using a heating device. At the same time, the atmosphere inside the furnace is controlled by a gas control system, such as nitrogen or argon, to maintain a suitable sintering environment. Under high temperature and a suitable atmosphere, the powder particles in the ceramic material will continuously migrate, the grain boundaries will move accordingly, the pores will gradually be discharged, and shrinkage will occur, making the green body a dense porcelain body with a certain strength. During the sintering process, the heating of the raw materials and green body easily leads to the generation of dust, which is discharged with the flue gas.

[0003] In order to improve the air quality, personnel need to first filter the particulate dust in the flue gas, and then use a catalyst to denitrify the dust-removed flue gas to avoid direct emission of the flue gas and causing air pollution. The existing technology filters the particulate dust through filters, but the existing filters have the following disadvantages when used. The filter material of the filter cannot directly remove the high-temperature flue gas discharged from the atmosphere sintering furnace. The filter material may age, harden, deform, or even burn due to the high temperature, which will seriously affect the dust removal effect and the service life of the equipment. Based on this, we propose a flue gas treatment device for an atmosphere sintering furnace. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an atmosphere sintering furnace flue gas treatment device to solve the problem in the above-mentioned background technology that the high-temperature flue gas discharged from the atmosphere sintering furnace easily causes the filter material of the filter to age, harden, deform, or even burn.

[0005] The utility model provides the following technical solutions:

[0006] A flue gas treatment device for an atmosphere sintering furnace, comprising a box body, the box body comprising a connecting plate, a cooling cylinder, a heat dissipation cylinder, a bottom plate, a first top plate, and a second top plate, the bottom surface of the bottom plate being fixedly connected to a plurality of legs, the top surface of the bottom plate being fixedly connected to the bottom ends of the cooling cylinder and the heat dissipation cylinder, the number of the connecting plates being two, the peripheral sides of the cooling cylinder and the heat dissipation cylinder being fixedly connected to the two connecting plates, the bottom ends of the two connecting plates being fixedly connected to the top surface of the bottom plate, the two connecting plates being fixedly connected to the same first top plate, the first top plate being located above the bottom plate, the first The top plate is fixedly connected to the peripheral sides of the cooling cylinder and the heat dissipation cylinder, the second top plate is located in the cooling cylinder, and the second top plate is fixedly connected to the inner wall of the cooling cylinder, a smoke inlet pipe is provided below the cooling cylinder, the smoke inlet pipe passes through the bottom plate and is connected to the cooling cylinder, a smoke inlet valve is installed on the smoke inlet pipe, a heat dissipation component is provided in the cooling cylinder, a cooling component is provided in the heat dissipation cylinder, a filter component is provided above the cooling cylinder, a dust collection component is installed on the filter component, the heat dissipation component is connected to the cooling component, and the filter component is connected to the heat dissipation component.

[0007] Furthermore, the heat dissipation component includes a cooling flue and a cooling pipe. The cooling flue is arranged in the cooling cylinder. The bottom end of the cooling flue is fixedly connected to the top surface of the base plate. The top end of the cooling flue passes through the second top plate and extends to the outside. The cooling pipe is located in the cooling cylinder. The cooling pipe is fixedly connected to the circumference of the cooling flue, and both ends of the cooling pipe pass through the circumference of the cooling cylinder.

[0008] Furthermore, the cooling assembly includes a heat dissipation pipe, a heat dissipation fin, a heat dissipation fan, and an exhaust manifold. The heat dissipation pipe is located in the heat dissipation tube, and both ends of the heat dissipation pipe pass through the circumference of the heat dissipation tube and are connected to both ends of the cooling pipe. A circulation pump is installed on the heat dissipation pipe, and the heat dissipation fin is fixedly connected to the inner wall of the cooling tube. The heat dissipation fan is located above the heat dissipation pipe, and the heat dissipation fan is fixedly connected to the top of the heat dissipation tube. An exhaust manifold is provided below the heat dissipation pipe, and the exhaust manifold passes through the bottom plate and is connected to the heat dissipation tube.

[0009] Furthermore, the filter assembly includes an annular block, a connecting cylinder, an arc-shaped shell, an annular filter, and an exhaust pipe. The annular block is located above the cooling cylinder, and the annular block is fixedly connected to the peripheral side of the cooling flue. The connecting cylinder is located above the annular block, and the bottom end of the connecting cylinder is fixedly connected to the top end of the annular block. The arc-shaped shell is located above the connecting cylinder, and the bottom end of the arc-shaped shell is fixedly connected to the top end of the connecting cylinder. The exhaust pipe is fixedly connected to the inner wall of the arc-shaped shell. A fixed column is provided above the annular block, and two sets of limiting mechanisms are installed on the peripheral side of the fixed column. The limiting mechanism includes an inner retaining ring, a flow limiting plate, and an outer retaining ring. The inner retaining ring The ring is fixedly connected to the circumference of the fixed column, there are four flow limiting plates, and the four flow limiting plates are arranged at equal intervals. One end of the flow limiting plate is fixedly connected to the inner retaining ring, and the outer retaining ring is fixedly connected to the inner wall of the connecting tube. The two groups of limiting mechanisms are symmetrically arranged, the flow limiting plate of the limiting mechanism located at the bottom is fixedly connected to the top of the annular block, and the flow limiting plate of the limiting mechanism located at the top is fixedly connected to the bottom end of the smoke exhaust pipe. The annular filter is located between the two groups of limiting mechanisms, and the annular filter is sleeved on the circumference of the fixed column. The annular filter is slidably connected to the inner wall of the connecting tube, and the bottom end of the fixed column is fixedly connected with a guide block.

[0010] Furthermore, the dust collecting assembly includes an annular dust collecting groove, a dust collecting box, a U-shaped block, and a clamping block. The annular dust collecting groove is opened on the top surface of the annular block, and a dust discharge port is opened on the inner wall of the annular dust collecting groove. The dust collecting box is located on one side of the annular block, and a dust collecting port is opened on the dust collecting box. The dust collecting box is connected to the dust collecting port. There are two U-shaped blocks, and the two U-shaped blocks are respectively located on both sides of the dust collecting box. There are two clamping blocks, and the clamping block is fixedly connected to the circumferential side of the annular block. The U-shaped block is clamped with the corresponding clamping block. The circumferential side of the annular block is fixedly connected with an exhaust branch pipe, one end of the exhaust branch pipe passes through the annular block and is connected to the annular dust collecting groove, and the other end of the annular block is connected to the exhaust main pipe, and a three-way valve is installed at the connection between the exhaust main pipe and the exhaust branch pipe.

[0011] Furthermore, a filter is installed at the connection between the exhaust branch pipe and the annular block.

[0012] The technical effects and advantages of this utility model are:

[0013] 1. The utility model realizes heat conduction between the cooling pipe and the cooling flue by setting a heat dissipation component and a cooling component, cools down the flue gas in the cooling flue, and controls the flow of coolant in the cooling pipe and the heat dissipation pipe by a circulating pump to improve the heat dissipation effect. The coolant heated up after heat conduction flows from the cooling pipe to the heat dissipation pipe, and the heat dissipation fan drives the air flow, and flows the external air from the heat dissipation fan to the exhaust main pipe, thereby dissipating heat to the heat dissipation pipe and the coolant, and preventing the filter component from being damaged by excessive flue gas temperature.

[0014] 2. The utility model sets a filtering component and a dust collecting component so that the annular filter screen filters the flue gas and filters the dust in the flue gas onto the annular filter screen, which is convenient for personnel to carry out subsequent processing. When the three-way valve is in the state of the exhaust main pipe being closed and the exhaust branch pipe being open and closed, the external air flows from the cooling fan to the exhaust branch pipe and enters the annular block, thereby blowing the dust in the annular dust collecting groove into the dust collecting box from the connection between the dust exhaust port and the dust collecting port. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the box area of ​​the utility model Figure 1 ;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the box area of ​​the utility model Figure 2 ;

[0019] Figure 5 This is a schematic diagram of the cross-sectional structure of the heat dissipation tube area of ​​the utility model;

[0020] Figure 6 This is a schematic diagram of the cross-sectional structure of the filter component area of ​​the utility model Figure 1 ;

[0021] Figure 7 This is a schematic diagram of the cross-sectional structure of the filter component area of ​​the utility model Figure 2 ;

[0022] Figure 8 This is a schematic diagram of the cross-sectional structure of the fixed column area of ​​the utility model;

[0023] Figure 9 This is a schematic diagram of the annular block area structure of the utility model.

[0024] The accompanying drawings are marked as follows: 1. connecting plate; 2. cooling cylinder; 3. heat dissipation cylinder; 4. bottom plate; 5. first top plate; 6. smoke inlet pipe; 7. smoke inlet valve; 8. cooling flue; 9. cooling pipe; 10. heat dissipation pipe; 11. circulation pump; 12. heat sink; 13. heat dissipation fan; 14. exhaust main pipe; 15. three-way valve; 16. second top plate; 17. annular block; 18. connecting cylinder; 19. fixing column; 20. inner retaining ring; 21. flow limiting plate; 22. outer retaining ring; 23. annular filter; 24. guide block; 25. arc shell; 26. smoke exhaust pipe; 27. annular dust collecting trough; 28. dust exhaust port; 29. ​​dust collecting box; 30. dust collecting port; 31. U-shaped block; 32. clamping block; 33. exhaust branch pipe. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation, and the structure of the present invention must go beyond these limited embodiments. For some equivalent replacement solutions or common means, they will not be described in detail herein, but they still fall within the scope of protection of this application.

[0026] Figure 1 - Figure 9 This is the best embodiment of the present invention, Figure 1 - Figure 9 The utility model is further described.

[0027] Refer to the attached Figure 1 - Figure 9 , a flue gas treatment device for an atmosphere sintering furnace, comprising a box body, the box body comprising a connecting plate 1, a cooling cylinder 2, a heat dissipation cylinder 3, a bottom plate 4, a first top plate 5, and a second top plate 16, the bottom surface of the bottom plate 4 is fixedly connected with a plurality of legs, the top surface of the bottom plate 4 is fixedly connected to the bottom ends of the cooling cylinder 2 and the heat dissipation cylinder 3, the number of connecting plates 1 is two, the peripheral sides of the cooling cylinder 2 and the heat dissipation cylinder 3 are fixedly connected to the two connecting plates 1, the bottom ends of the two connecting plates 1 are fixedly connected to the top surface of the bottom plate 4, the two connecting plates 1 are fixedly connected to the same first top plate 5, and the first top plate 5 is located above the bottom plate 4 The first top plate 5 is fixedly connected to the peripheral sides of the cooling cylinder 2 and the heat dissipation cylinder 3. The second top plate 16 is located in the cooling cylinder 2. The second top plate 16 is fixedly connected to the inner wall of the cooling cylinder 2. A smoke inlet pipe 6 is provided below the cooling cylinder 2. The smoke inlet pipe 6 passes through the bottom plate 4 and is connected to the cooling cylinder 2. A smoke inlet valve 7 is installed on the smoke inlet pipe 6. A heat dissipation component is provided in the cooling cylinder 2. A cooling component is provided in the heat dissipation cylinder 3. A filter component is provided above the cooling cylinder 2. A dust collecting component is installed on the filter component. The heat dissipation component is connected to the cooling component, and the filter component is connected to the heat dissipation component.

[0028] In this embodiment, the smoke inlet pipe 6 is connected to the smoke exhaust port of the atmosphere sintering furnace body, and the smoke can enter the cooling flue 8 when the smoke inlet valve 7 is opened.

[0029] Specifically, the heat dissipation component includes a cooling flue 8 and a cooling pipe 9. The cooling flue 8 is arranged in the cooling cylinder 2. The bottom end of the cooling flue 8 is fixedly connected to the top surface of the base plate 4. The top end of the cooling flue 8 passes through the second top plate 16 and extends to the outside. The cooling pipe 9 is located in the cooling cylinder 2. The cooling pipe 9 is fixedly connected to the peripheral side of the cooling flue 8. Both ends of the cooling pipe 9 pass through the peripheral side of the cooling cylinder 2.

[0030] In this embodiment, the cooling flue 8 and the cooling pipe 9 are made of copper or aluminum to improve the heat transfer effect. The cooling pipe 9 is fixedly connected to the peripheral side of the cooling flue 8 to achieve heat conduction and cool the flue gas in the cooling flue 8.

[0031] Specifically, the cooling assembly includes a heat dissipation pipe 10, a heat dissipation fin 12, a heat dissipation fan 13, and an exhaust manifold 14. The heat dissipation pipe 10 is located in the heat dissipation tube 3. Both ends of the heat dissipation pipe 10 pass through the circumference of the heat dissipation tube 3 and are connected to the two ends of the cooling tube 9. A circulating pump 11 is installed on the heat dissipation pipe 10. The heat dissipation fin 12 is installed on the heat dissipation pipe 10. The heat dissipation fin 12 is fixedly connected to the inner wall of the cooling tube 2. The heat dissipation fan 13 is located above the heat dissipation pipe 10. The heat dissipation fan 13 is fixedly connected to the top of the heat dissipation tube 3. An exhaust manifold 14 is provided below the heat dissipation pipe 10. The exhaust manifold 14 passes through the bottom plate 4 and is connected to the heat dissipation tube 3.

[0032] In this embodiment, the circulation pump 11 is used to control the flow of coolant in the cooling pipe 9 and the heat dissipation pipe 10 to improve the heat dissipation effect. The coolant heated after heat conduction flows from the cooling pipe 9 to the heat dissipation pipe 10, and the heat dissipation fan 13 drives the air flow, and the external air flows from the heat dissipation fan 13 to the exhaust main pipe 14, thereby dissipating heat to the heat dissipation pipe 10 and the coolant.

[0033] Specifically, the filter assembly includes an annular block 17, a connecting cylinder 18, an arcuate shell 25, an annular filter 23, and an exhaust pipe 26. The annular block 17 is located above the cooling cylinder 2, and the annular block 17 is fixedly connected to the peripheral side of the cooling flue 8. The connecting cylinder 18 is located above the annular block 17, and the bottom end of the connecting cylinder 18 is fixedly connected to the top end of the annular block 17. The arcuate shell 25 is located above the connecting cylinder 18, and the bottom end of the arcuate shell 25 is fixedly connected to the top end of the connecting cylinder 18. The exhaust pipe 26 is fixedly connected to the inner wall of the arcuate shell 25. A fixed column 19 is provided above the annular block 17, and two sets of limiting mechanisms are installed on the peripheral side of the fixed column 19. The limiting mechanism includes an inner retaining ring 20, a flow limiting plate 21, and an outer retaining ring 22. The inner retaining ring 20 is fixedly connected to the circumference of the fixed column 19. There are four flow limiting plates 21, which are arranged at equal intervals. One end of the flow limiting plate 21 is fixedly connected to the inner retaining ring 20, and the outer retaining ring 22 is fixedly connected to the inner wall of the connecting tube 18. The two groups of limiting mechanisms are symmetrically arranged. The flow limiting plate 21 of the limiting mechanism located at the bottom is fixedly connected to the top of the annular block 17, and the flow limiting plate 21 of the limiting mechanism located at the top is fixedly connected to the bottom end of the smoke exhaust pipe 26. The annular filter screen 23 is located between the two groups of limiting mechanisms. The annular filter screen 23 is sleeved on the circumference of the fixed column 19, and the annular filter screen 23 is slidably connected to the inner wall of the connecting tube 18. The bottom end of the fixed column 19 is fixedly connected with a guide block 24.

[0034] In this embodiment, the flue gas flows out from the gaps between several flow limiting plates 21 located below and moves upward in the connecting tube 18, driving the annular filter 23 to move upward until the annular filter 23 is against the inner retaining ring 20 and the outer retaining ring 22 located above. The annular filter 23 filters the flue gas and filters the dust in the flue gas on the annular filter 23.

[0035] The dust collecting box 29 is provided with a dust collecting port 30, and the dust collecting box 29 is connected with the dust collecting port 30. There are two U-shaped blocks 31, and the two U-shaped blocks 31 are respectively located on both sides of the dust collecting box 29. There are two clamping blocks 32, and the clamping blocks 32 are fixedly connected to the peripheral side of the annular block 17. The U-shaped blocks 31 are clamped with the corresponding clamping blocks 32. The peripheral side of the annular block 17 is fixedly connected with an exhaust branch pipe 33. One end of the exhaust branch pipe 33 passes through the annular block 17 and is connected to the annular dust collecting groove 27. The other end of the annular block 17 is connected to the exhaust main pipe 14. The connection between the exhaust main pipe 14 and the exhaust branch pipe 33 is installed with a three-way valve 15.

[0036] In this embodiment, when the three-way valve 15 is in the state of closing the exhaust main pipe 14 and opening the exhaust branch pipe 33, the running cooling fan 13 drives the air flow, and the external air flows from the cooling fan 13 to the exhaust branch pipe 33, and enters the annular block 17 from the exhaust branch pipe 33, thereby blowing the dust in the annular dust collecting groove 27 into the dust collecting box 29 from the connection point between the dust exhaust port 28 and the dust collecting port 30.

[0037] Specifically, a filter is installed at the connection between the exhaust branch pipe 33 and the annular block 17 .

[0038] In this embodiment, the filter installed at the connection between the exhaust branch pipe 33 and the annular block 17 can filter the dust in the annular dust collecting groove 27 to prevent dust from entering the exhaust branch pipe 33 from the annular dust collecting groove 27.

[0039] The working principle and use process of the present invention are as follows: when in use, the personnel first open the smoke inlet valve 7, and the smoke enters the smoke inlet pipe 6 from the smoke exhaust port of the atmosphere sintering furnace body, and enters the cooling flue 8 through the smoke inlet pipe 6. At this time, the circulating pump 11 drives the coolant in the heat dissipation pipe 10 and the cooling pipe 9 to flow, and the coolant flowing in the cooling pipe 9 and the cooling flue 8 exchanges heat to drive the temperature of the smoke in the cooling flue 8. At this time, the coolant heated by heat exchange flows from the cooling pipe 9 to the heat dissipation pipe 10, and the running heat dissipation fan 13 drives the air flow, and the external air flows from the heat dissipation fan 13 to the exhaust main pipe 14, thereby dissipating the heat to the heat dissipation pipe 10 and the coolant, and the three-way valve 15 is adjusted to the exhaust When the main pipe 14 opens and closes the exhaust branch pipe 33 in a closed state, the air after heat exchange is discharged from the exhaust main pipe 14, and the cooled flue gas flows upward from the cooling flue 8 and flows out from the gaps between the several flow limiting plates 21 located below. At this time, the flue gas moves upward in the connecting tube 18, and drives the annular filter 23 to move upward until the annular filter 23 is against the inner retaining ring 20 and the outer retaining ring 22 located above. At this time, the annular filter 23 filters the flue gas, filters the dust in the flue gas on the annular filter 23, and discharges the dust-free flue gas from the exhaust pipe 26. Personnel can connect the exhaust pipe 26 with other processing devices according to usage requirements, so as to carry out subsequent processing and purification of the flue gas.

[0040] When the smoke is processed, the personnel closes the smoke inlet valve 7. At this time, the annular filter 23 is no longer affected by the rising smoke and rises. At this time, the annular filter 23 will fall under the influence of gravity until the annular filter 23 is against the inner retaining ring 20 and the outer retaining ring 22 located below. When the annular filter 23 falls, it collides with the inner retaining ring 20 and the outer retaining ring 22, causing the dust attached to the annular filter 23 to fall into the annular dust collecting tank 27. At this time, the personnel adjusts the three-way valve 15 to the exhaust main pipe 14 to close the exhaust branch pipe 33. At this time, the cooling fan 13 is running. The air is driven to flow, and the external air flows from the cooling fan 13 to the exhaust branch pipe 33, and enters the annular block 17 from the exhaust branch pipe 33, thereby blowing the dust in the annular dust collecting groove 27 into the dust collecting box 29 from the connection point between the dust exhaust port 28 and the dust collecting port 30. When the dust enters the dust collecting box 29, the personnel turns off the cooling fan 13 and lifts the fixed column 19 upward, so that the dust collecting box 29 drives the U-shaped block 31 to move upward, and the clamping block 32 cancels the limit on the U-shaped block 31. At this time, the personnel can remove the dust collecting box 29 to clean the dust in the dust collecting box 29.

[0041] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation thereto. Any person skilled in the art may utilize the above disclosure to modify or remodel the present invention into equivalent embodiments. However, any simple modification, equivalent variation, or modification of the above embodiment that does not depart from the technical content of the present invention and is based on the technical essence of the present invention shall still fall within the scope of protection of the present invention.

Claims

1. An atmosphere sintering furnace flue gas treatment device, comprising a box body, characterized in that: The box body includes a connecting plate (1), a cooling tube (2), a heat dissipation tube (3), a bottom plate (4), a first top plate (5), and a second top plate (16). The bottom surface of the bottom plate (4) is fixedly connected to a plurality of legs. The top surface of the bottom plate (4) is fixedly connected to the bottom ends of the cooling tube (2) and the heat dissipation tube (3). There are two connecting plates (1). The peripheral sides of the cooling tube (2) and the heat dissipation tube (3) are fixedly connected to the two connecting plates (1). The bottom ends of the two connecting plates (1) are fixedly connected to the top surface of the bottom plate (4). The two connecting plates (1) are fixedly connected to the same first top plate (5). The first top plate (5) is located above the bottom plate (4). The first top plate (5) The second top plate (16) is fixedly connected to the peripheral sides of the cooling cylinder (2) and the heat dissipation cylinder (3), the second top plate (16) is located in the cooling cylinder (2), the second top plate (16) is fixedly connected to the inner wall of the cooling cylinder (2), a smoke inlet pipe (6) is provided below the cooling cylinder (2), the smoke inlet pipe (6) passes through the bottom plate (4) and is connected to the cooling cylinder (2), a smoke inlet valve (7) is installed on the smoke inlet pipe (6), a heat dissipation component is provided in the cooling cylinder (2), a cooling component is provided in the heat dissipation cylinder (3), a filter component is provided above the cooling cylinder (2), a dust collection component is installed on the filter component, the heat dissipation component is connected to the cooling component, and the filter component is connected to the heat dissipation component.

2. The flue gas treatment device for an atmosphere sintering furnace according to claim 1, characterized in that: The heat dissipation component includes a cooling flue (8) and a cooling pipe (9), wherein the cooling flue (8) is arranged in the cooling cylinder (2), the bottom end of the cooling flue (8) is fixedly connected to the top surface of the bottom plate (4), the top end of the cooling flue (8) passes through the second top plate (16) and extends to the outside, the cooling pipe (9) is located in the cooling cylinder (2), the cooling pipe (9) is fixedly connected to the peripheral side of the cooling flue (8), and both ends of the cooling pipe (9) pass through the peripheral side of the cooling cylinder (2).

3. The flue gas treatment device for an atmosphere sintering furnace according to claim 1, characterized in that: The cooling assembly includes a heat dissipation pipe (10), a heat dissipation fin (12), a heat dissipation fan (13), and an exhaust manifold (14). The heat dissipation pipe (10) is located in the heat dissipation tube (3). Both ends of the heat dissipation pipe (10) pass through the circumference of the heat dissipation tube (3) and are connected to both ends of the cooling tube (9). A circulation pump (11) is installed on the heat dissipation pipe (10). The heat dissipation fin (12) is fixedly connected to the inner wall of the cooling tube (2). The heat dissipation fan (13) is located above the heat dissipation pipe (10). The heat dissipation fan (13) is fixedly connected to the top end of the heat dissipation tube (3). An exhaust manifold (14) is provided below the heat dissipation pipe (10). The exhaust manifold (14) passes through the bottom plate (4) and is connected to the heat dissipation tube (3).

4. The flue gas treatment device for an atmosphere sintering furnace according to claim 2, characterized in that: The filter assembly includes an annular block (17), a connecting tube (18), an arcuate shell (25), an annular filter (23), and a smoke exhaust pipe (26). The annular block (17) is located above the cooling tube (2). The annular block (17) is fixedly connected to the peripheral side of the cooling flue (8). The connecting tube (18) is located above the annular block (17). The bottom end of the connecting tube (18) is fixedly connected to the top end of the annular block (17). The arcuate shell (25) is located above the connecting tube (18). The bottom end of the arcuate shell (25) is fixedly connected to the top end of the connecting tube (18). The smoke exhaust pipe (26) is fixedly connected to the inner wall of the arcuate shell (25). A fixed column (19) is provided above the annular block (17). Two sets of limiting mechanisms are installed on the peripheral side of the fixed column (19). The limiting mechanisms include an inner retaining ring (20), a flow limiting plate (21), an outer retaining ring ( 22), the inner retaining ring (20) is fixedly connected to the circumference of the fixed column (19), the number of the flow limiting plates (21) is four, and the four flow limiting plates (21) are arranged at equal intervals, one end of the flow limiting plate (21) is fixedly connected to the inner retaining ring (20), and the outer retaining ring (22) is fixedly connected to the inner wall of the connecting tube (18), the two groups of the limiting mechanisms are symmetrically arranged, the flow limiting plate (21) of the limiting mechanism located at the bottom is fixedly connected to the top of the annular block (17), and the flow limiting plate (21) of the limiting mechanism located at the top is fixedly connected to the bottom end of the exhaust pipe (26), the annular filter (23) is located between the two groups of limiting mechanisms, the annular filter (23) is sleeved on the circumference of the fixed column (19), the annular filter (23) is slidably connected to the inner wall of the connecting tube (18), and the bottom end of the fixed column (19) is fixedly connected with a guide block (24).

5. The flue gas treatment device for an atmosphere sintering furnace according to claim 4, characterized in that: The dust collecting assembly comprises an annular dust collecting groove (27), a dust collecting box (29), a U-shaped block (31), and a clamping block (32). The annular dust collecting groove (27) is provided on the top surface of the annular block (17). A dust outlet (28) is provided on the inner wall of the annular dust collecting groove (27). The dust collecting box (29) is located on one side of the annular block (17). A dust collecting port (30) is provided on the dust collecting box (29). The dust collecting box (29) is connected to the dust collecting port (30). There are two U-shaped blocks (31), and the two U-shaped blocks (31) are respectively located on the dust collecting box (29). ), the number of the clamping blocks (32) is two, the clamping blocks (32) are fixedly connected to the circumferential side of the annular block (17), the U-shaped block (31) is clamped with the corresponding clamping block (32), the circumferential side of the annular block (17) is fixedly connected with an exhaust branch pipe (33), one end of the exhaust branch pipe (33) passes through the annular block (17) and is connected to the annular dust collecting groove (27), the other end of the annular block (17) is connected to the exhaust main pipe (14), and a three-way valve (15) is installed at the connection between the exhaust main pipe (14) and the exhaust branch pipe (33).

6. The flue gas treatment device for an atmosphere sintering furnace according to claim 5, characterized in that: A filter is installed at the connection between the exhaust branch pipe (33) and the annular block (17).

Images