Flue gas drying mechanism for flue gas emission detection device

Abstract

The utility model relates to the technical field of flue gas emission, in particular to a flue gas drying mechanism for a flue gas emission detection device. According to the technical scheme, the heat exchanger comprises a shell, an S-shaped condensing coil is arranged in the shell, cooling fins are installed on the outer wall of the S-shaped condensing coil, a spiral channel is formed in the inner wall of the S-shaped condensing coil, one end of the S-shaped condensing coil is connected with a smoke input pipe through a pipe connector, and the other end of the S-shaped condensing coil is connected with a smoke outlet pipe through a pipe connector. The other end of the flue gas input pipe penetrates through the top end of the shell and extends to the outside, the other end of the S-shaped condensing coil is connected with a flue gas output pipe through a pipe connector, and the other end of the flue gas output pipe penetrates through the top end of the shell and extends to the outside. According to the flue gas drying device, high-temperature moisture in flue gas can be effectively condensed, the condensed high-temperature moisture can form liquid and fall into the bottom end of the interior of the S-shaped condensing coil, and therefore the flue gas can be effectively dried, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke emission, in particular to a smoke drying mechanism for a smoke emission detection device. Background Art

[0002] Flue gas is a mixture of gas and smoke, and is the main cause of air pollution in residential areas. The composition of flue gas is very complex. The gas includes water vapor, sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbons and nitrogen oxides, etc. The smoke includes fuel ash, coal particles, oil droplets and high-temperature cracking products, etc. Drying equipment is required when treating flue gas.

[0003] After searching, the patent announcement number CN213599883U discloses a flue gas drying device used in a flue gas emission detection system, which belongs to the field of flue gas emission technology, including a device body, a protective cover is arranged on the outside of the device body, a discharge pipe penetrating to the top of the protective cover is arranged on one side of the inside of the protective cover, a feed pipe penetrating to the bottom of the protective cover is arranged on the side of the inside of the protective cover away from the discharge pipe, and multiple groups of feed pipes are evenly arranged on the top and bottom of the protective cover. The utility model provides a discharge pipe, a feed pipe, a straight pipe and a feed pipe, and forms an "S"-shaped structure between the discharge pipe, the feed pipe and the straight pipe, thereby extending the path length of the flue gas circulation to a certain extent, so that the external airflow introduced into the inside through the air intake pipe on the right side of the protective cover is exposed to more heat, so that the airflow discharged from the air outlet end on the right side of the protective cover has a higher heat, so that the later use effect of the flue gas drying device is better and the drying efficiency is improved.

[0004] When the above technical solution is actually used, the high-temperature moisture in the flue gas is only condensed through an S-shaped condensing coil, which has a poor condensation effect on the high-temperature moisture in the flue gas, and thus has a poor drying effect on the flue gas. For this reason, we propose a flue gas drying mechanism for a flue gas emission detection device to solve the existing problem. Utility Model Content

[0005] The purpose of the utility model is to provide a smoke drying mechanism for a smoke emission detection device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a smoke drying mechanism for a smoke emission detection device, comprising a shell, an S-shaped condensing coil is arranged inside the shell, a heat sink is installed on the outer wall of the S-shaped condensing coil, a spiral channel is arranged on the inner wall of the S-shaped condensing coil, one end of the S-shaped condensing coil is connected to the smoke inlet pipe through a pipe joint, and the other end of the smoke inlet pipe passes through the top of the shell and extends to the outside, the other end of the S-shaped condensing coil is connected to the smoke output pipe through a pipe joint, and the other end of the smoke output pipe passes through the top of the shell and extends to the outside, a box is installed on the outer walls of both sides of the shell, a plate-type air filter and a mounting plate are installed inside the box, and the plate-type air filter is located on one side of the mounting plate, and an exhaust fan is installed on the outer wall of one side of the mounting plate.

[0007] Preferably, sealing rings are provided at the connections between the smoke output pipe, the smoke input pipe and the shell.

[0008] Preferably, a sewage pipe is provided at the bottom of the S-shaped condensing coil, a valve body is provided on the sewage pipe, and a sewage collecting tank is installed at the bottom end of the shell.

[0009] Preferably, a first ventilation slot is provided on one side of the exhaust fan, and the first ventilation slot is opened on the outer wall of the mounting plate, an air inlet slot is opened on one outer wall of the box body, a second ventilation slot is opened on the other outer wall of the box body, third ventilation slots are opened on both side outer walls of the shell, and exhaust slots are opened on the top of the shell.

[0010] Preferably, both ends of the plate-type air filter are installed in the U-shaped groove on the first U-shaped pallet, and the end walls at both ends of the plate-type air filter are gap-connected with the groove walls of the U-shaped groove on the first U-shaped pallet, and the first U-shaped pallet is installed on one side of the top and bottom ends inside the box.

[0011] Preferably, both ends of the mounting plate are installed in the U-shaped groove on the second U-shaped card plate, and the end walls at both ends of the mounting plate are gap-connected with the groove walls of the U-shaped groove on the second U-shaped card plate, and the mounting plate is installed on the other side of the top and bottom ends inside the box.

[0012] Preferably, the front end wall of the shell is provided with a first sealing door, the first sealing door is provided with a first safety lock, the front end wall of the box is provided with a second sealing door, the second sealing door is provided with a second safety lock, and L-shaped fixing ears are installed on both sides of the bottom end of the shell, and fixing holes are opened on the surface of the L-shaped fixing ears.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a series of coordinated structures. When the flue gas is condensed and dried, the flue gas is transported from the flue gas inlet pipe to the S-shaped condensing coil and discharged from the flue gas outlet pipe. In the process of flue gas flowing, the heat is transferred to the S-shaped condensing coil and the heat sink. The setting of the heat sink increases the heat dissipation area of ​​the S-shaped condensing coil. The exhaust fans on both sides of the utility model are started to transport external cold air to the inside of the shell. When the cold air blows to the S-shaped condensing coil and the heat sink, it absorbs heat. The air flows on both sides of the shell will form a certain collision. The colliding air will quickly discharge the heat from the discharge slot to the outside, so that the S-shaped condensing coil and the heat sink can be cooled and dissipated. Therefore, the utility model can effectively condense the high-temperature moisture in the flue gas. The high-temperature moisture after condensation will form liquid and fall into the bottom end of the S-shaped condensing coil, so as to effectively dry the flue gas.

[0015] 2. The utility model adopts the coordinated arrangement of the S-shaped condensing coil, the spiral channel and other structures. The S-shaped condensing coil is S-shaped as a whole, which increases the path length of the smoke flow. The spiral channel is arranged so that the smoke flows in the S-shaped condensing coil along the spiral channel, further increasing the path length of the smoke flow, thereby increasing the smoke flow time, thereby further improving the effect of smoke condensation and drying, and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0017] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0018] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0019] Figure 4 It is a partial cross-sectional view of the S-shaped condensing coil of the utility model.

[0020] In the figure: 1. sealing ring; 2. smoke inlet pipe; 3. shell; 4. exhaust slot; 5. first safety lock; 6. first sealing door; 7. smoke outlet pipe; 8. box; 9. second sealing door; 10. second safety lock; 11. air inlet slot; 12. L-shaped fixing ear; 13. fixing hole; 14. first U-shaped card plate; 15. plate air filter; 16. exhaust fan; 17. mounting plate; 18. first ventilation slot; 19. second ventilation slot; 20. third ventilation slot; 21. second U-shaped card plate; 22. sewage pipe; 23. valve body; 24. sewage collecting tank; 25. S-shaped condensing coil; 26. heat sink; 27. spiral channel. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] Embodiment 1

[0023] like Figure 1-4 As shown, the utility model proposes a smoke drying mechanism for a smoke emission detection device, including a shell 3, an S-shaped condensing coil 25 is arranged inside the shell 3, a heat sink 26 is installed on the outer wall of the S-shaped condensing coil 25, a spiral channel 27 is arranged on the inner wall of the S-shaped condensing coil 25, one end of the S-shaped condensing coil 25 is connected to the smoke inlet pipe 2 through a pipe joint, and the other end of the smoke inlet pipe 2 passes through the top of the shell 3 and extends to the outside, the other end of the S-shaped condensing coil 25 is connected to the smoke output pipe 7 through a pipe joint, and the other end of the smoke output pipe 7 passes through the top of the shell 3 and extends to the outside, a box 8 is installed on the outer walls of both sides of the shell 3, a plate air filter 15 and a mounting plate 17 are installed inside the box 8, and the plate air filter 15 is located on one side of the mounting plate 17, and an exhaust fan 16 is installed on the outer wall of one side of the mounting plate 17.

[0024] The working principle of the smoke drying mechanism for the smoke emission detection device based on the first embodiment is: when the smoke is condensed and dried, the smoke is transported from the smoke inlet pipe 2 to the S-shaped condensing coil 25 and discharged from the smoke outlet pipe 7. During the flow of the smoke, the heat is transferred to the S-shaped condensing coil 25 and the heat sink 26. The setting of the heat sink 26 increases the heat dissipation area of ​​the S-shaped condensing coil 25. The exhaust fans 16 on both sides of the utility model are started to transport external cold air to the inside of the shell 3. When the cold air blows to the S-shaped condensing coil 25 and the heat sink 26, it absorbs heat. The air flows on both sides of the shell 3 will form a certain collision, and the colliding air will Heat is quickly discharged from the discharge slot to the outside, so that the S-shaped condensing coil 25 and the heat sink 26 can be cooled and dissipated, so that the utility model can effectively condense the high-temperature moisture in the flue gas. The condensed high-temperature moisture will form liquid and fall into the bottom end of the S-shaped condensing coil 25, so that the flue gas can be effectively dried. The S-shaped condensing coil 25 is S-shaped as a whole, which increases the path length of the flue gas circulation. The spiral channel 27 is set, and the flue gas flows in the S-shaped condensing coil 25 along the spiral channel 27, which further increases the path length of the flue gas circulation, thereby increasing the smoke gas circulation time, thereby further improving the effect of flue gas condensation and drying.

[0025] Embodiment 2

[0026] like Figure 1-4As shown, a smoke drying mechanism for a smoke emission detection device proposed by the utility model, compared with the first embodiment, this embodiment also includes: a sealing ring 1 is provided at the connection between the smoke output pipe 7 and the smoke input pipe 2 and the shell 3, a sewage pipe 22 is provided at the bottom of the S-shaped condensing coil 25, and a valve body 23 is provided on the sewage pipe 22, a sewage collecting tank body 24 is installed at the bottom end of the shell 3, a first ventilation slot 18 is provided on one side of the exhaust fan 16, and the first ventilation slot 18 is opened on the outer wall of the mounting plate 17, an air inlet slot 11 is opened on the outer wall of one side of the box body 8, and a second ventilation slot 19 is opened on the outer wall of the other side of the box body 8, third ventilation slots 20 are opened on the outer walls of both sides of the shell 3, exhaust slots 4 are opened on the top of the shell 3, and both ends of the plate air filter 15 are installed on the first U-shaped card plate 14, and the end walls at both ends of the plate air filter 15 are connected with the groove walls of the U-shaped groove on the first U-shaped card plate 14 with a gap. The first U-shaped card plate 14 is installed on one side of the top and bottom ends inside the box body 8, and both ends of the mounting plate 17 are installed in the U-shaped groove on the second U-shaped card plate 21, and the end walls at both ends of the mounting plate 17 are connected with the groove walls of the U-shaped groove on the second U-shaped card plate 21 with a gap. The mounting plate 17 is installed on the other side of the top and bottom ends inside the box body 8, the front end wall of the shell body 3 is provided with a first sealing door 6, and the first sealing door 6 is provided with a first safety lock 5, the front end wall of the box body 8 is provided with a second sealing door 9, and the second sealing door 9 is provided with a second safety lock 10, and L-shaped fixing ears 12 are installed on both sides of the bottom end of the shell body 3, and the surface of the L-shaped fixing ears 12 is provided with fixing holes 13.

[0027] In this embodiment, the setting of the sealing ring 1 can seal the connection between the smoke output pipe 7 and the smoke input pipe 2 and the shell 3. The setting of the sewage pipe 22 can discharge the dirty liquid of the S-shaped condensing coil 25 into the sewage collecting tank 24 for collection, which is convenient for the staff to clean. The setting of the plate-type air filter 15 can filter the dust in the external air, avoiding the dust in the external air being blown to the S-shaped condensing coil 25 and the heat sink 26 in large quantities and adsorbed on the S-shaped condensing coil 25 and the heat sink 26, resulting in a decrease in the condensation effect. Because the end walls at both ends of the plate-type air filter 15 are gap-connected with the groove walls of the U-shaped groove on the first U-shaped card plate 14, it is convenient for the staff to disassemble, replace or clean the plate-type air filter 15.

[0028] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A smoke drying mechanism for a smoke emission detection device, comprising a housing (3), characterized in that: An S-shaped condensing coil (25) is arranged inside the shell (3), a heat sink (26) is installed on the outer wall of the S-shaped condensing coil (25), a spiral channel (27) is arranged on the inner wall of the S-shaped condensing coil (25), one end of the S-shaped condensing coil (25) is connected to the smoke inlet pipe (2) through a pipe joint, and the other end of the smoke inlet pipe (2) passes through the top of the shell (3) and extends to the outside, the other end of the S-shaped condensing coil (25) is connected to the smoke outlet pipe (7) through a pipe joint, and the other end of the smoke outlet pipe (7) passes through the top of the shell (3) and extends to the outside, a box (8) is installed on both sides of the outer wall of the shell (3), a plate-type air filter (15) and a mounting plate (17) are installed inside the box (8), and the plate-type air filter (15) is located on one side of the mounting plate (17), and an exhaust fan (16) is installed on one side of the outer wall of the mounting plate (17).

2. A smoke drying mechanism for a smoke emission detection device according to claim 1, characterized in that: The connection points between the smoke output pipe (7) and the smoke input pipe (2) and the housing (3) are all provided with sealing rings (1).

3. The smoke drying mechanism for a smoke emission detection device according to claim 1, characterized in that: A sewage pipe (22) is arranged at the bottom of the S-shaped condensing coil (25), a valve body (23) is arranged on the sewage pipe (22), and a sewage collecting tank (24) is installed at the bottom end of the shell (3).

4. The smoke drying mechanism for a smoke emission detection device according to claim 1, characterized in that: A first ventilation slot (18) is provided on one side of the exhaust fan (16), and the first ventilation slot (18) is opened on the outer wall of the mounting plate (17); an air inlet slot (11) is opened on one side of the outer wall of the box body (8); a second ventilation slot (19) is opened on the other side of the outer wall of the box body (8); third ventilation slots (20) are opened on both side outer walls of the shell (3); and an exhaust slot (4) is opened at the top of the shell (3).

5. The smoke drying mechanism for a smoke emission detection device according to claim 1, characterized in that: Both ends of the plate-type air filter (15) are mounted in the U-shaped grooves on the first U-shaped card plate (14), and the end walls at both ends of the plate-type air filter (15) are gap-connected to the groove walls of the U-shaped grooves on the first U-shaped card plate (14), and the first U-shaped card plate (14) is mounted on one side of the top end and the bottom end inside the box body (8).

6. A smoke drying mechanism for a smoke emission detection device according to claim 1, characterized in that: Both ends of the mounting plate (17) are mounted in the U-shaped grooves on the second U-shaped card plate (21), and the end walls at both ends of the mounting plate (17) are gap-connected with the groove walls of the U-shaped grooves on the second U-shaped card plate (21), and the mounting plate (17) is mounted on the other side of the top end and the bottom end inside the box body (8).

7. The smoke drying mechanism for a smoke emission detection device according to claim 1, characterized in that: The front end wall of the shell (3) is provided with a first sealing door (6), and the first sealing door (6) is provided with a first safety lock (5); the front end wall of the box (8) is provided with a second sealing door (9), and the second sealing door (9) is provided with a second safety lock (10); L-shaped fixing ears (12) are installed on both sides of the bottom end of the shell (3), and the surface of the L-shaped fixing ears (12) is provided with fixing holes (13).

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