Tail gas connecting pipeline system capable of achieving automatic cleaning without shutdown

Abstract

The tail gas connecting pipeline system comprises an exhaust pipe A, an exhaust pipe B and a middle connecting pipe connected with the exhaust pipe, an inlet and an outlet of the exhaust pipe A are provided with an air inlet valve A and an air outlet valve A, and an inlet and an outlet of the exhaust pipe B are provided with an air inlet valve B and an air outlet valve B respectively. A piston A and a piston B are arranged in the exhaust pipe A and the exhaust pipe B, a vent pipe A is connected to the exhaust pipe A above the piston A, a vent valve A is arranged on the vent pipe A, a vent pipe B is connected to the exhaust pipe B above the piston B, and a vent valve B is arranged on the vent pipe B; each of the piston A and the piston B comprises a piston main body and a sealing ring arranged outside the piston main body, an airflow channel is arranged in the piston main body, and the piston main body can open or close the airflow channel. The connecting pipe between the production machine table and the tail gas treatment machine table is modified, the two exhaust pipes are adopted to exhaust gas alternately, one exhaust pipe is used for exhausting gas, the other exhaust pipe is clean, shutdown is not needed, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of pipeline cleaning technology, and in particular to an exhaust gas connection pipeline system that automatically cleans itself without stopping the machine. Background Technology

[0002] Currently, our company uses a wet treatment method to treat the exhaust gas from our production machines. This mainly involves reacting tap water with the exhaust gas, dissolving the treatable gas in the water or allowing it to settle after the reaction. This method easily produces sediment, which can clog the connecting pipes between the production machine and the exhaust gas treatment unit, leading to poor exhaust gas flow and harming the production machine. Furthermore, the current single-pipe design requires machine shutdown for cleaning the connecting pipes, significantly wasting production time. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an exhaust gas connection pipeline system that can be automatically cleaned without stopping the machine. It aims to solve the technical problem that the current single-pipe structure design requires machine shutdown for cleaning, which greatly wastes machine production time.

[0004] The technical solution of this utility model is: an exhaust gas connection pipeline system that automatically cleans itself without stopping the machine, including an exhaust pipe A, an exhaust pipe B, and an intermediate connecting pipe connecting the exhaust pipe A and the exhaust pipe B. The exhaust pipe A has an inlet valve A and an outlet valve A respectively at its inlet and outlet, and the exhaust pipe B has an inlet valve B and an outlet valve B respectively at its inlet and outlet. Piston A and piston B are respectively installed inside the exhaust pipe A and exhaust pipe B. A vent pipe A is connected to the exhaust pipe A above the piston A, and a vent pipe A has a vent valve A. A vent pipe B is connected to the exhaust pipe B above the piston B, and a vent pipe B has a vent valve B. Both piston A and piston B include a piston body and a sealing ring located outside the piston body. An airflow channel is provided inside the piston body, and the piston body can open or close the airflow channel.

[0005] Furthermore, in this utility model, the inlet of exhaust pipe A and the inlet of exhaust pipe B are detachably connected to the intermediate connecting pipe via flanges.

[0006] Furthermore, the piston body of this utility model includes a coil housing and an electromagnetic coil disposed inside the coil housing. The upper part of the coil housing is provided with a terminal block for supplying power to the electromagnetic coil. An upper fixing seat is pressed and fixed on the terminal block. A lower fixing seat is fixedly connected to the lower part of the coil housing. The upper fixing seat and the lower fixing seat cooperate to fix the electromagnetic coil.

[0007] Furthermore, in this utility model, the upper fixed seat is provided with an upper air chamber that runs vertically through the upper and lower fixed seats, and the lower fixed seat is provided with a lower air chamber that runs vertically through the lower and upper fixed seats. There is an intermediate channel between the upper fixed seat and the lower fixed seat that connects the upper air chamber and the lower air chamber. The upper air chamber, the intermediate channel, and the lower air chamber form the airflow channel.

[0008] Furthermore, in this utility model, the lower fixed seat is provided with an electromagnetic valve core, a spring is provided between the electromagnetic valve core and the upper fixed seat, a slide rod is connected to the electromagnetic valve core, and the slide rod is slidably connected to the upper fixed seat.

[0009] Furthermore, in this utility model, the top of the exhaust pipe A is provided with a cylinder A, and the output shaft of the cylinder A is connected to the piston A through a connector A; the top of the exhaust pipe B is provided with a cylinder B, and the output shaft of the cylinder B is connected to the piston B through a connector B.

[0010] Furthermore, in this utility model, both the intake valve A and the exhaust valve A are located close to the exhaust pipe A, and both the intake valve B and the exhaust valve B are located close to the exhaust pipe B.

[0011] Compared with the prior art, this utility model has the following advantages: By modifying the connecting pipe between the production machine and the exhaust gas treatment machine, this utility model adopts two exhaust pipes to alternately exhaust gas. While one exhausts gas, the other cleans the exhaust gas, eliminating the need to stop the machine and greatly improving the production efficiency of the machine. During cleaning, the cylinder drives the piston to press down, first purging the remaining exhaust gas in the pipe, and then removing the deposits on the pipe wall by moving the piston up and down. This can prevent the exhaust gas from leaking to the outside through the vent pipe when the airflow channel inside the piston is opened, making it more environmentally friendly and safe. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the working state of the present invention during exhaust (where solid arrows indicate the direction of exhaust gas flow and hollow arrows indicate the direction of exhaust gas flow).

[0013] Figure 2 This is a schematic diagram showing the state of the piston when it is closed in this utility model;

[0014] Figure 3 This is a schematic diagram of the working state of this utility model during cleaning (where the solid arrows indicate the direction of exhaust gas flow);

[0015] Figure 4 This is a schematic diagram showing the state of the piston of this utility model when it is open.

[0016] The components are as follows: 1. Exhaust pipe A; 2. Exhaust pipe B; 3. Intermediate connecting pipe; 4. Intake valve A; 5. Exhaust valve A; 6. Intake valve B; 7. Exhaust valve B; 8. Flange; 9. Piston A; 10. Piston B; 11. Vent pipe A; 12. Vent valve A; 13. Vent pipe B; 14. Vent valve B; 15. Piston body; 1501. Coil housing; 1502. Electromagnetic coil; 1503. Terminal block; 1504. Upper fixed seat; 1504a. Upper air chamber; 1505. Lower fixed seat; 1505a. Lower air chamber; 1506. Intermediate channel; 1507. Electromagnetic valve core; 1508. Spring; 1509. Slide rod; 16. Sealing ring; 17. Cylinder A; 18. Connector A; 19. Cylinder B; 20. Connector B. Detailed Implementation

[0017] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0018] Example:

[0019] The accompanying drawings illustrate a specific embodiment of the exhaust gas connection pipeline system of this utility model that requires no shutdown for automatic cleaning. Figure 1 It mainly includes exhaust pipe A1, exhaust pipe B2, and intermediate connecting pipe 3 connecting exhaust pipe A1 and exhaust pipe B2. Exhaust pipe A1 is equipped with an intake valve A4 and an exhaust valve A5 at its inlet and outlet, respectively. Exhaust pipe B2 is equipped with an intake valve B6 and an exhaust valve B7 at its inlet and outlet, respectively. The inlets of exhaust pipe A1 and exhaust pipe B2 are detachably connected to intermediate connecting pipe 3 via flange 8, allowing intermediate connecting pipe 3 to be disassembled and cleaned.

[0020] Pistons A9 and B10 are respectively installed in exhaust pipe A1 and exhaust pipe B2. A vent pipe A11 is connected to exhaust pipe A1 above piston A9, and a vent valve A12 is installed on vent pipe A11. A vent pipe B13 is connected to exhaust pipe B2 above piston B10, and a vent valve B14 is installed on vent pipe B13.

[0021] Both piston A9 and piston B10 include a piston body 15 and a sealing ring 16 located outside the piston body 15. The piston body 15 has an airflow channel inside, which can be opened or closed. The sealing ring 16 fits against the inner wall of the exhaust pipe for cleaning the pipe wall.

[0022] Combination Figure 2The piston has the following specific structure: the piston body 15 includes a coil housing 1501 and an electromagnetic coil 1502 disposed inside the coil housing 1501. The upper part of the coil housing 1501 is provided with a terminal block 1503 for supplying power to the electromagnetic coil 1502. An upper fixing seat 1504 is pressed and fixed on the terminal block 1503. A lower fixing seat 1505 is fixedly connected to the lower part of the coil housing 1501. The upper fixing seat 1504 and the lower fixing seat 1505 cooperate to fix the electromagnetic coil 1502.

[0023] The upper fixed seat 1504 has an upper air chamber 1504a that runs vertically through it, and the lower fixed seat 1505 has a lower air chamber 1505a that runs vertically through it. There is an intermediate channel 1506 between the upper fixed seat 1504 and the lower fixed seat 1505 that connects the upper air chamber 1504a and the lower air chamber 1505a. The upper air chamber 1504a, the intermediate channel 1506, and the lower air chamber 1505a form an airflow channel.

[0024] A solenoid valve core 1507 is installed in the lower air chamber 1505a of the lower fixed seat 1505. A spring 1508 is installed between the solenoid valve core 1507 and the upper fixed seat 1504, and the spring 1508 presses the solenoid valve core 1507 tightly in the lower air chamber 1505a of the lower fixed seat 1505. A slide rod 1509 is connected to the solenoid valve core 1507. The slide rod 1509 is slidably connected to the upper fixed seat 1504. The upper fixed seat 1504 has a sliding groove, and the slide rod 1509 is slidably installed in the sliding groove. The spring 1508 is sleeved on the outside of the slide rod 1509.

[0025] Combination Figure 4 When the electromagnetic coil 1502 is energized, the electromagnetic valve core 1507 moves the slide rod 1509 upward under the action of electromagnetic force, the spring 1508 is compressed, and the airflow channel is opened; when the electromagnetic coil 1502 is de-energized, the electromagnetic valve core 1507 resets under the action of the spring 1508 and closes the airflow channel.

[0026] A cylinder A17 is located at the top of exhaust pipe A1. The output shaft of cylinder A17 passes through exhaust pipe A1 and is slidably connected to exhaust pipe A1 in a sealed manner. The output shaft of cylinder A17 is connected to piston A9 via connector A18, which drives piston A9 to move up and down. A cylinder B19 is located at the top of exhaust pipe B2. The output shaft of cylinder B19 passes through exhaust pipe B2 and is slidably connected to exhaust pipe B2 in a sealed manner. The output shaft of cylinder B19 is connected to piston B10 via connector B20, which drives piston B10 to move up and down.

[0027] In this embodiment, intake valve A4 and exhaust valve A5 are both located near exhaust pipe A1, and intake valve B6 and exhaust valve B7 are both located near exhaust pipe B2, to ensure that the remaining exhaust gas in the pipe is discharged as completely as possible.

[0028] In the specific operation of this embodiment, as follows: Figure 1 When exhaust gas is discharged from exhaust pipe A1, exhaust pipe B2 is cleaned. At this time, intake valve A4 and exhaust valve A5 are open, while vent pipe A11 and intake valve B6 are closed. Exhaust gas enters exhaust pipe A1 through intermediate connecting pipe 3 and is then discharged. Simultaneously, cylinder B19 drives piston B10 to press down. At this time, the internal airflow passage of piston B10 is closed, and exhaust valve B7 and vent pipe B13 are open. Piston B10 is used to vent the remaining exhaust gas in the pipe. After piston B10 reaches the bottom, exhaust valve B7 is closed, vent pipe B13 remains open, and the internal airflow passage of piston B10 is open (e.g., Figure 3 As shown, cylinder B19 drives piston B10 to move up and down, using sealing ring 16 to scrape off the deposits on the pipe wall until cleaning is complete. Then, piston B10 returns to the top position and closes the internal airflow passage, and finally closes the vent pipe B13.

[0029] Next, exhaust gas is discharged through exhaust pipe B2, while exhaust pipe A1 is cleaned. The valves are switched: intake valve B6 and exhaust valve B7 are opened, while vent pipe B13 and intake valve A4 are closed. Exhaust gas enters exhaust pipe B2 through intermediate connecting pipe 3 and is then discharged. Simultaneously, cylinder A17 drives piston A9 downwards. At this time, the internal airflow channel of piston A9 is closed, and exhaust valve A5 and vent pipe A11 are opened. Piston A9 is used to purge the remaining exhaust gas from the pipe. After piston A9 reaches its bottom, exhaust valve A5 closes, while vent pipe A11 remains open. The internal airflow channel of piston A9 opens, and cylinder A17 drives piston A9 to move up and down, using sealing ring 16 to scrape away deposits on the pipe wall until cleaning is complete. Then, piston A9 returns to its top position and closes the internal airflow channel. Finally, vent pipe A11 is closed. This cycle, using two exhaust pipes alternately for exhaust, with one exhausting while the other cleans, eliminates the need to stop the machine, significantly improving production efficiency.

[0030] Of course, the above embodiments are only for illustrating the technical concept and features of this utility model, and their purpose is to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be used to limit the protection scope of this utility model. All modifications made in accordance with the spirit and essence of the main technical solution of this utility model should be covered within the protection scope of this utility model.

Claims

1. A system for automatic cleaning of an off-gas connection without shutdown, characterized in that The system includes an exhaust pipe A (1), an exhaust pipe B (2), and an intermediate connecting pipe (3) connecting the exhaust pipe A (1) and the exhaust pipe B (2). The exhaust pipe A (1) is equipped with an intake valve A (4) and an exhaust valve A (5) at its inlet and outlet, respectively. The exhaust pipe B (2) is equipped with an intake valve B (6) and an exhaust valve B (7) at its inlet and outlet, respectively. The exhaust pipe A (1) and the exhaust pipe B (2) are respectively equipped with a piston A (9) and a piston B (10). A passage is connected to the exhaust pipe A (1) above the piston A (9). The air pipe A (11) is provided with an air valve A (12). The exhaust pipe B (2) is connected to an air pipe B (13) above the piston B (10). The air pipe B (13) is provided with an air valve B (14). Both the piston A (9) and the piston B (10) include a piston body (15) and a sealing ring (16) located outside the piston body (15). An airflow channel is provided inside the piston body (15). The piston body (15) can open or close the airflow channel.

2. The automatic cleaning without shutdown exhaust connection pipeline system according to claim 1, characterized in that: The inlet of the exhaust pipe A (1) and the inlet of the exhaust pipe B (2) are detachably connected to the intermediate connecting pipe (3) via flanges (8).

3. The automatic cleaning without shutdown exhaust connection pipeline system according to claim 1, characterized in that: The piston body (15) includes a coil housing (1501) and an electromagnetic coil (1502) disposed inside the coil housing (1501). The upper part of the coil housing (1501) is provided with a terminal block (1503) for supplying power to the electromagnetic coil (1502). An upper fixing seat (1504) is pressed and fixed on the terminal block (1503). A lower fixing seat (1505) is fixedly connected to the lower part of the coil housing (1501). The upper fixing seat (1504) and the lower fixing seat (1505) cooperate to fix the electromagnetic coil (1502).

4. The automatic cleaning without shutdown exhaust connection pipeline system according to claim 3, characterized in that: The upper fixed seat (1504) is provided with an upper air chamber (1504a) that runs vertically through the interior, and the lower fixed seat (1505) is provided with a lower air chamber (1505a) that runs vertically through the interior. There is an intermediate channel (1506) between the upper fixed seat (1504) and the lower fixed seat (1505) that connects the upper air chamber (1504a) and the lower air chamber (1505a). The upper air chamber (1504a), the intermediate channel (1506), and the lower air chamber (1505a) form the airflow channel.

5. The exhaust gas connection pipeline system with automatic cleaning without shutdown as described in claim 4, characterized in that: The lower fixed seat (1505) is provided with an electromagnetic valve core (1507), and a spring (1508) is provided between the electromagnetic valve core (1507) and the upper fixed seat (1504). A slide rod (1509) is connected to the electromagnetic valve core (1507), and the slide rod (1509) is slidably connected to the upper fixed seat (1504).

6. The automatic cleaning without shutdown exhaust connection pipeline system according to claim 5, characterized in that: The top of the exhaust pipe A (1) is provided with a cylinder A (17), and the output shaft of the cylinder A (17) is connected to the piston A (9) through a connector A (18); the top of the exhaust pipe B (2) is provided with a cylinder B (19), and the output shaft of the cylinder B (19) is connected to the piston B (10) through a connector B (20).

7. The automatic cleaning without shutdown exhaust connection pipeline system according to claim 1, characterized in that: The intake valve A (4) and the exhaust valve A (5) are both located near the exhaust pipe A (1), and the intake valve B (6) and the exhaust valve B (7) are both located near the exhaust pipe B (2).

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