Smoke exhausting and filtering pipe with filter screen convenient to replace

Abstract

The utility model discloses a smoke discharging and filtering smoke pipe with a filter screen convenient to replace, and relates to the technical field of smoke discharging and filtering smoke pipes. The outer side of the filtering device is fixedly connected with the outer side of the gas inlet pipe, and the filtering device is used for filtering flue gas; the outer side of the heat dissipation device is fixedly connected with the outer side, away from the gas inlet pipe, of the filtering device, and the heat dissipation device is used for cooling the flue gas; the outer side of the connecting pipe is fixedly connected with the side, away from the filtering device, of the heat dissipation device; the outer side of the smoke exhaust pipe is fixedly connected with the side, away from the heat dissipation device, of the connecting pipe. According to the device, the filtering device is arranged, smoke is filtered, the filtering device can be rapidly cleaned and replaced, the filtering performance of the filtering device is prevented from being reduced, the heat dissipation speed of the smoke is increased through the heat dissipation device, and the smoke with the high temperature is prevented from being directly discharged to the outside.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust filter pipes, in particular to a smoke exhaust filter pipe which is convenient for replacing a filter screen. Background Art

[0002] The purpose of smoke exhaust ducts is to exhaust indoor smoke and dust to the outside through exhaust machinery. Since smoke and dust often stick to the ducts, the smoke exhaust ducts need to be cleaned frequently. The smoke exhaust ducts have a wide range of applications, including hotels, factories, etc. The installation standards of smoke exhaust ducts and exhaust ducts are different. Smoke exhaust fire dampers must be installed in the smoke exhaust duct system, while ordinary exhaust ducts do not need to be installed.

[0003] In the prior art, after long-term use, a lot of dust accumulates on the filter and needs to be replaced in time. However, the existing smoke pipe filter replacement process is cumbersome and inconvenient to replace. In addition, the existing smoke is directly discharged, and the temperature of the discharged smoke is high, which is easy to hurt others. In order to solve the above problems, we propose a smoke exhaust filter pipe that is easy to replace the filter. Utility Model Content

[0004] In view of the deficiencies of the prior art, the technical solution adopted by the utility model to solve the technical problems is: a smoke exhaust filter pipe that is easy to replace the filter screen, comprising an air intake pipe; a filter device, the outer side of the filter device is fixedly connected to the outer side of the air intake pipe, and the filter device is used to filter the smoke; a heat dissipation device, the outer side of the heat dissipation device is fixedly connected to the outer side of the filter device away from the air intake pipe, and the heat dissipation device is used to cool the smoke; a connecting pipe, the outer side of the connecting pipe is fixedly connected to a side of the heat dissipation device away from the filter device; a smoke exhaust pipe, the outer side of the smoke exhaust pipe is fixedly connected to a side of the connecting pipe away from the heat dissipation device, and the smoke exhaust pipe is used to discharge smoke, and the smoke is filtered by setting the filter device to avoid the harmful gas in the smoke being directly discharged to the outside, causing environmental pollution, and the filter device is easy to replace. After the filter device is used for a long time, the filter device can be quickly cleaned and replaced to avoid the filtering performance of the filter device from decreasing. The heat dissipation device is set to dissipate the smoke, and the heat dissipation device accelerates the heat dissipation speed of the smoke, prevents the smoke with a higher temperature from being directly discharged to the outside, and avoids the high temperature gas from harming the human body.

[0005] Preferably, the filtering device comprises a round tube, the outer side of the round tube is fixedly connected to the outer side of the air inlet pipe, the inner side of the round tube is slidably connected with a filtering assembly, the outer side of the filtering assembly is slidably connected to a limiting assembly, the bottom of the limiting assembly is fixedly connected to the outer side of the round tube, the smoke is filtered by the filtering assembly, and the filtering assembly is slidably connected to the round tube, and can be quickly removed for easy replacement.

[0006] Preferably, a fixing plate is fixedly connected to the inner side of the circular tube, a sealing strip is fixedly connected to the outer side of the fixing plate, and the outer side of the fixing plate is slidably connected to the bottom of the filter assembly. The fixing plate and the sealing strip enhance the sealing of the filter assembly to prevent smoke from flowing to the outside through the gaps in the filter assembly, causing environmental pollution and endangering human health.

[0007] Preferably, the filter assembly includes a sliding plate, the bottom of the sliding plate is slidably connected to the outer side of the fixed plate, the bottom of the sliding plate is fixedly connected to a filter tube, the inner side of the filter tube is fixedly connected to a filter element, and the top of the sliding plate is fixedly connected to a handle. The smoke is filtered by the filter assembly, and the filter assembly can be moved and pulled out by the handle. After the filtering performance of the filter element decreases, the filter element can be quickly replaced.

[0008] Preferably, the limit assembly includes a limit shell, the bottom of the limit shell is fixedly connected to the top of the circular tube, the inner side of the limit shell is fixedly connected with a rebound spring, the end of the rebound spring away from the limit shell is fixedly connected to a limit plate, the bottom of the limit plate is slidably connected to the outer side of the circular tube, the outer side of the limit plate is slidably connected to the top of the sliding plate, the filter assembly is fixed by the limit assembly to prevent the filter assembly from shaking during use, and the limit assembly facilitates the loosening of the filter assembly and the disassembly of the filter assembly.

[0009] Preferably, the heat dissipation device includes a heat dissipation pipe, the outer side of the heat dissipation pipe is fixedly connected to the side of the round tube away from the air inlet pipe, the side of the heat dissipation pipe away from the round tube is fixedly connected to the outer side of the connecting tube, the outer side of the heat dissipation pipe is fixedly connected with an isolation plate, the outer side of the heat dissipation pipe is fixedly connected with a heat sink, the flue gas is dissipated by the heat dissipation device, the contact area between the flue gas and the outside is increased, the heat dissipation speed of the flue gas is accelerated, and the direct discharge of high-temperature flue gas to avoid harm to the human body.

[0010] The beneficial effects of the utility model are as follows:

[0011] 1. The utility model filters the smoke by setting a filter device to prevent harmful gases in the smoke from being directly discharged to the outside and causing environmental pollution. The filter device is easy to replace. After the filter device is used for a long time, the filter device can be quickly cleaned and replaced to avoid a decrease in the filtering performance of the filter device.

[0012] 2. The utility model dissipates the heat of the flue gas by arranging a heat dissipation device, which accelerates the heat dissipation speed of the flue gas, prevents the flue gas with higher temperature from being directly discharged to the outside, and avoids the high-temperature gas from harming the human body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model;

[0015] Figure 3 It is a structural explosion diagram of the filter device of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the filter assembly of the utility model;

[0017] Figure 5 It is a structural sectional view of the limit assembly of the utility model;

[0018] Figure 6 It is a structural sectional view of the heat dissipation device of the utility model.

[0019] In the figure: 1. air intake pipe; 2. filter device; 21. round tube; 22. filter assembly; 221. sliding plate; 222. filter tube; 223. filter element; 224. handle; 23. limit assembly; 231. limit shell; 232. rebound spring; 233. limit plate; 24. fixed plate; 25. sealing strip; 3. heat dissipation device; 31. heat dissipation tube; 32. isolation plate; 33. heat sink; 4. connecting pipe; 5. exhaust pipe. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

[0021] Example:

[0022] See also Figure 1-Figure 6The utility model provides a technical solution: a smoke exhaust filter pipe that is easy to replace the filter, comprising an intake pipe 1; a filter device 2, the outer side of the filter device 2 is fixedly connected to the outer side of the intake pipe 1, and the filter device 2 is used to filter the smoke; a heat sink 3, the outer side of the heat sink 3 is fixedly connected to the outer side of the filter device 2 away from the intake pipe 1, and the heat sink 3 is used to cool the smoke; a connecting pipe 4, the outer side of the connecting pipe 4 is fixedly connected to a side of the heat sink 3 away from the filter device 2; a smoke exhaust pipe 5, the outer side of the smoke exhaust pipe 5 is fixedly connected to a side of the connecting pipe 4 away from the heat sink 3, and the smoke exhaust pipe 5 is used to exhaust the smoke. When in use, the smoke is discharged into the intake pipe 1, and the smoke flows along the intake pipe 1 to the inside of the filter device 2 After being filtered by the filter device 2, the smoke flows into the heat dissipation device 3, and the smoke flows along the heat dissipation device 3 to the connecting pipe 4, and then flows along the connecting pipe 4 to the inside of the exhaust pipe 5, and then the smoke is discharged to the outside along the exhaust pipe 5. By setting the filter device 2, the smoke is filtered to prevent harmful gases in the smoke from being directly discharged to the outside, causing environmental pollution, and the filter device 2 is easy to replace. After the filter device 2 is used for a long time, the filter device 2 can be quickly cleaned and replaced to avoid the filtering performance of the filter device 2 from decreasing. By setting the heat dissipation device 3, the smoke is dissipated. The heat dissipation device 3 accelerates the heat dissipation speed of the smoke, prevents the smoke with higher temperature from being directly discharged to the outside, and prevents the high-temperature gas from harming the human body.

[0023] The filter device 2 includes a circular tube 21, the outer side of the circular tube 21 is fixedly connected to the outer side of the air intake pipe 1, the inner side of the circular tube 21 is slidably connected with a filter assembly 22, the outer side of the filter assembly 22 is slidably connected to a limiting assembly 23, the bottom of the limiting assembly 23 is fixedly connected to the outer side of the circular tube 21, when in use, the limiting assembly 23 fixes the filter assembly 22, the smoke flows along the air intake pipe 1 to the inside of the filter device 2, the smoke flows to the inside of the circular tube 21, the smoke flows along the circular tube 21 to the filter assembly 22, after being filtered by the filter assembly 22, the smoke flows along the circular tube 21 to the inside of the heat dissipation device 3, the smoke is filtered by the filter assembly 22, and the filter assembly 22 is slidably connected to the circular tube 21, and can be quickly removed for easy replacement.

[0024] A fixing plate 24 is fixedly connected to the inner side of the circular tube 21, a sealing strip 25 is fixedly connected to the outer side of the fixing plate 24, the outer side of the fixing plate 24 is slidably connected to the bottom of the filter assembly 22, when in use, the limiting assembly 23 fixes the filter assembly 22 so that the bottom of the filter assembly 22 is tightly attached to the outer side of the fixing plate 24, the sealing strip 25 enhances the sealing between the filter assembly 22 and the fixing plate 24, and the sealing at the filter assembly 22 is enhanced by the fixing plate 24 and the sealing strip 25, so as to prevent smoke from flowing to the outside through the gap at the filter assembly 22, causing environmental pollution and endangering human health.

[0025] The filter assembly 22 includes a sliding plate 221, the bottom of the sliding plate 221 is slidably connected to the outer side of the fixed plate 24, the bottom of the sliding plate 221 is fixedly connected to a filter tube 222, the inner side of the filter tube 222 is fixedly connected to a filter element 223, and the top of the sliding plate 221 is fixedly connected to a handle 224. When in use, the smoke flows along the circular tube 21 to the inside of the filter tube 222, and the smoke flows along the filter tube 222 to the filter element 223. After being filtered by the filter element 223, the smoke flows along the circular tube 21 to the heat dissipation device Inside the device 3, when the filter assembly 22 needs to be replaced, the sliding plate 221 is lifted up by the handle 224, and the sliding plate 221 drives the filter tube 222 and the filter element 223 to move to the outside. At this time, the filter element 223 can be cleaned and replaced. After the replacement is completed, the sliding plate 221 is reset, and the smoke is filtered by the filter assembly 22. The filter assembly 22 can be moved by the handle 224 and the filter assembly 22 can be pulled out. After the filtering performance of the filter element 223 decreases, the filter element 223 can be quickly replaced.

[0026] The limiting assembly 23 includes a limiting shell 231, the bottom of the limiting shell 231 is fixedly connected to the top of the circular tube 21, a rebound spring 232 is fixedly connected to the inner side of the limiting shell 231, and one end of the rebound spring 232 away from the limiting shell 231 is fixedly connected to the limiting plate 233, the bottom of the limiting plate 233 is slidably connected to the outer side of the circular tube 21, and the outer side of the limiting plate 233 is slidably connected to the top of the sliding plate 221. When the filter assembly 22 needs to be replaced, the limiting plate 233 in the limiting assembly 23 is moved, and the limiting plate 233 moves to both sides along the limiting shell 231 to limit The positioning plate 233 compresses the rebound spring 232. At this time, the sliding plate 221 can be lifted up by the handle 224. After the replacement is completed, the sliding plate 221 is reset. Under the action of its own elastic force, the rebound spring 232 drives the limiting plate 233 to move toward the sliding plate 221. The limiting plate 233 fits against the surface of the sliding plate 221 to fix the sliding plate 221. The filter assembly 22 is fixed by the limiting component 23 to prevent the filter assembly 22 from shaking during use. The limiting component 23 facilitates the loosening of the filter assembly 22, so that the filter assembly 22 is easy to disassemble.

[0027] The heat dissipation device 3 includes a heat dissipation pipe 31, the outer side of the heat dissipation pipe 31 is fixedly connected to the side of the circular tube 21 away from the air intake pipe 1, the side of the heat dissipation pipe 31 away from the circular tube 21 is fixedly connected to the outer side of the connecting tube 4, the outer side of the heat dissipation pipe 31 is fixedly connected with an isolation plate 32, and the outer side of the heat dissipation pipe 31 is fixedly connected with a heat sink 33. When in use, the flue gas flows along the circular tube 21 to the inside of the heat dissipation device 3, and the flue gas flows into the inside of the heat dissipation pipe 31. The isolation plate 32 is sleeved on the surface of the heat dissipation pipe 31 to prevent the human body from directly contacting the hotter pipe. The heat sink 33 increases the contact area between the flue gas and the outside world, accelerates the heat exchange between the flue gas and the outside world, and cools the flue gas. The cooled flue gas flows along the heat dissipation pipe 31 to the inside of the connecting tube 4, and the flue gas is dissipated through the heat dissipation device 3. By increasing the contact area between the flue gas and the outside world, the heat dissipation speed of the flue gas is accelerated, and direct discharge of high-temperature flue gas is avoided to cause harm to the human body.

[0028] Working principle:

[0029] When in use, the smoke is discharged into the air inlet pipe 1, flows along the air inlet pipe 1 into the filter device 2, flows into the circular tube 21, flows along the circular tube 21 into the filter tube 222, flows along the filter tube 222 to the filter element 223, and after being filtered by the filter element 223, flows along the circular tube 21 to the heat dissipation device 3;

[0030] The filtered flue gas flows along the circular tube 21 to the inside of the heat dissipation device 3, and then flows to the inside of the heat dissipation pipe 31. The isolation plate 32 is sleeved on the surface of the heat dissipation pipe 31 to prevent the human body from directly contacting the hot pipe. The heat dissipation fin 33 increases the contact area between the flue gas and the outside world, accelerates the heat exchange between the flue gas and the outside world, and cools the flue gas. The cooled flue gas flows along the heat dissipation pipe 31 to the inside of the connecting pipe 4, and then flows along the connecting pipe 4 to the inside of the exhaust pipe 5, and then the flue gas is discharged to the outside world along the exhaust pipe 5.

[0031] When it is necessary to replace the filter assembly 22, the limit plate 233 in the limit assembly 23 is moved, and the limit plate 233 moves to both sides along the limit shell 231, and the limit plate 233 compresses the rebound spring 232. At this time, the sliding plate 221 can be lifted by the handle 224, and the sliding plate 221 drives the filter tube 222 and the filter element 223 to move to the outside. At this time, the filter element 223 can be cleaned and replaced. After the filter element 223 is replaced, the sliding plate 221 is reset, and the rebound spring 232 drives the limit plate 233 to move toward the sliding plate 221 under the action of its own elastic force. The limit plate 233 is attached to the surface of the sliding plate 221 to fix the sliding plate 221. The limit assembly 23 fixes the filter assembly 22, so that the bottom of the sliding plate 221 is tightly attached to the outer side of the fixed plate 24, and the sealing strip 25 enhances the sealing between the filter assembly 22 and the fixed plate 24.

[0032] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A smoke exhaust filter pipe that is easy to replace the filter screen, characterized in that: include: Intake pipe (1); A filter device (2), the outer side of the filter device (2) being fixedly connected to the outer side of the air inlet pipe (1), and the filter device (2) being used to filter smoke; a heat dissipation device (3), the outer side of the heat dissipation device (3) being fixedly connected to the outer side of the filter device (2) away from the air inlet pipe (1), and the heat dissipation device (3) being used to cool the flue gas; A connecting pipe (4), the outer side of the connecting pipe (4) being fixedly connected to a side of the heat dissipation device (3) away from the filtering device (2); A smoke exhaust pipe (5), the outer side of the smoke exhaust pipe (5) being fixedly connected to a side of the connecting pipe (4) away from the heat dissipation device (3), and the smoke exhaust pipe (5) is used to exhaust smoke.

2. The smoke exhaust filter pipe with easy filter replacement according to claim 1, characterized in that: The filtering device (2) comprises a circular tube (21), the outer side of the circular tube (21) being fixedly connected to the outer side of the air inlet pipe (1), the inner side of the circular tube (21) being slidably connected to a filtering assembly (22), the outer side of the filtering assembly (22) being slidably connected to a limiting assembly (23), and the bottom of the limiting assembly (23) being fixedly connected to the outer side of the circular tube (21).

3. The smoke exhaust filter pipe with easy filter replacement according to claim 2, characterized in that: A fixing plate (24) is fixedly connected to the inner side of the circular tube (21), a sealing strip (25) is fixedly connected to the outer side of the fixing plate (24), and the outer side of the fixing plate (24) is slidably connected to the bottom of the filter assembly (22).

4. The smoke exhaust filter pipe with easy filter replacement according to claim 3, characterized in that: The filter assembly (22) comprises a sliding plate (221), the bottom of the sliding plate (221) being slidably connected to the outer side of the fixed plate (24), the bottom of the sliding plate (221) being fixedly connected to a filter tube (222), the inner side of the filter tube (222) being fixedly connected to a filter element (223), and the top of the sliding plate (221) being fixedly connected to a handle (224).

5. The smoke exhaust filter pipe with easy filter replacement according to claim 4, characterized in that: The limiting assembly (23) comprises a limiting shell (231), the bottom of the limiting shell (231) is fixedly connected to the top of the circular tube (21), a rebound spring (232) is fixedly connected to the inner side of the limiting shell (231), one end of the rebound spring (232) away from the limiting shell (231) is fixedly connected to a limiting plate (233), the bottom of the limiting plate (233) is slidably connected to the outer side of the circular tube (21), and the outer side of the limiting plate (233) is slidably connected to the top of the sliding plate (221).

6. The smoke exhaust filter pipe with easy filter replacement according to claim 2, characterized in that: The heat dissipation device (3) comprises a heat dissipation pipe (31), the outer side of the heat dissipation pipe (31) being fixedly connected to a side of the round pipe (21) away from the air intake pipe (1), the side of the heat dissipation pipe (31) away from the round pipe (21) being fixedly connected to the outer side of the connecting pipe (4), the outer side of the heat dissipation pipe (31) being fixedly connected to an isolation plate (32), and the outer side of the heat dissipation pipe (31) being fixedly connected to a heat sink (33).

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