Self-cleaning device for observation window glass of high-temperature dust removal pipeline detector of bag type dust collector

Abstract

The invention discloses a self-cleaning device for observation window glass of a high-temperature dust removal pipeline detector of a bag type dust remover, and belongs to the technical field of cleaning equipment. A bucket-shaped front chamber is arranged on the outer side wall of a high-temperature dust removal pipeline, one side of the bucket-shaped front chamber is fixedly connected with a case bin through a connecting piece, and an observation opening is machined in the case bin; optical glass used for observing the interior of the high-temperature dust removal pipeline is evenly machined on the glass carrying disc in the circumferential direction, a spark detection device host is arranged on the fixing support, and a pre-cleaning rubber strip, a main cleaning rubber strip and a liquid collection rubber strip are arranged on an inner side plate of the machine box bin. The glass carrying disc is periodically rotated through the stepping motor, while the glass carrying disc rotates, the cleaning mechanism automatically completes cleaning of polluted glass, and the cleaned observation window glass is periodically alternated, so that self-cleaning of the observation window glass of the high-temperature dust removal pipeline detector is achieved, blinding failure of the detector is avoided, and the service life of the detector is prolonged. Meanwhile, the working efficiency of the spark monitoring device can be improved, the detector is free of maintenance in the working period, and the equipment operation and maintenance cost is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of cleaning equipment, and in particular relates to a self-cleaning device for an observation window glass of a high-temperature dust removal pipeline detector of a bag type dust collector. Background Art

[0002] Bag filter dust removal devices are widely used in various fields such as metallurgy, chemical industry, and manufacturing industry due to their high efficiency in filtering polluted particles. Since the exhaust gas in metallurgy, chemical industry and other industries is often high temperature, and due to process defects or operational reasons, some sparks and high-temperature particles are often mixed in the emissions. Since the smoke flow rate in the front pipe of the bag filter is as high as 20 meters per second, these sparks and high-temperature particles can easily and quickly enter the bag filter at the tail end of the dust collection pipe, ignite the combustible dust accumulated on the surface of the filter bag, and cause explosions, thus causing huge safety accidents. At present, the industry mainly uses far-infrared detectors to monitor high-temperature spark particles in dust removal pipelines. The detection head is set at the opening position of the inner wall of the pipeline to monitor high-temperature sparks in the pipeline, so as to provide a basis for judgment for fire protection facilities downstream of the pipeline.

[0003] Since the high-temperature smoke particles flow rapidly in the pipeline, the spark detector probe is quickly contaminated by the smoke particles, causing the infrared detector to be blinded and lose its detection function, and the detector probe needs to be frequently disassembled and manually cleaned. At the same time, the internal temperature of the dust removal pipeline in the metallurgical industry can reach up to about 350°C, and the flow rate is also 15-25 meters per second. Conventional cleaning methods cannot achieve the purpose of timely cleaning the probe glass on the inner wall of the pipeline. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a bag-type dust collector high-temperature dust removal duct detector observation window glass self-cleaning device which can realize self-cleaning of the high-temperature dust removal duct detector observation window glass.

[0005] The technical solution adopted to solve the above technical problems is: a second through hole is processed on the outer wall of the high-temperature dust removal duct, a bucket-shaped front chamber is arranged on the outer wall of the high-temperature dust removal duct, a first through hole interconnected with the second through hole is processed on one side of the bucket-shaped front chamber, one side of the bucket-shaped front chamber is fixedly connected to the chassis bin through a connecting piece, an observation port interconnected with the first through hole is processed on the chassis bin, a fixed bracket is arranged on the bottom plate of the chassis bin, a stepper motor is arranged on the fixed bracket, the output shaft of the stepper motor is fixedly connected to the glass carrier through a shaft coupling, and the glass carrier is Optical glass for observing the inside of the high-temperature dust removal duct is evenly processed in the circumferential direction, a main spark detection device for observing the inside of the high-temperature dust removal duct is arranged on the fixed bracket, the inner panel of the chassis compartment is provided with a pre-cleaning rubber strip for scraping off floating dust on the glass surface, the inner panel of the chassis compartment is provided with a main cleaning rubber strip for scraping off the cleaning agent on the optical glass, the inner panel of the chassis compartment is provided with a liquid collecting rubber strip for collecting and guiding the cleaning agent on the optical glass, and the scraping surfaces of the main cleaning rubber strip, the pre-cleaning rubber strip and the liquid collecting rubber strip are in contact with the optical glass respectively.

[0006] Furthermore, the observation port is located directly in front of the first through hole, the first through hole is located directly in front of the second through hole, and the horizontal center line of the observation port and the horizontal center line of the second through hole are respectively on the same straight line with the horizontal center line of the first through hole.

[0007] Furthermore, one side of the chassis compartment is movably connected to the chassis door via a hinge, and the chassis door is located on the opening side of the chassis compartment.

[0008] Furthermore, a glass cleaner tank for storing cleaning agent is provided at the bottom of the chassis tank, a cleaning agent filling pipe interconnected with the glass cleaner tank is provided at the inlet end, a filling port of the cleaning agent filling pipe is provided with a cover, a water pump for drawing the cleaning agent in the glass cleaner tank into the cleaning agent pipeline is provided on the glass cleaner tank, an atomizing nozzle is provided at the outlet end of the cleaning agent pipeline, and the atomizing nozzle is located above the main cleaning strip.

[0009] Furthermore, a waste liquid drain valve is provided at the bottom outlet of the glass cleaning agent tank.

[0010] Furthermore, the inlet end of the glass cleaning agent bin is provided with a liquid collecting and drainage pipe which is interconnected therewith, and the outlet end of the liquid collecting rubber strip is interconnected with the inlet end of the liquid collecting and drainage pipe.

[0011] Furthermore, a second thermal insulation rubber ring is provided at the connection between the bucket-shaped front chamber and the chassis compartment, and the second thermal insulation rubber ring is respectively located outside the first through hole and the observation port, and an air inlet narrow opening located on the side of the second thermal insulation rubber ring is processed on the bucket-shaped front chamber.

[0012] Furthermore, a first heat-insulating rubber ring is provided between the main unit of the spark detection device and the optical glass on the front side of the glass carrier plate, which is located directly in front of the observation port.

[0013] Furthermore, a third heat-insulating rubber ring is provided between the inner side plate of the chassis compartment and the optical glass on the rear side of the glass carrier plate located directly in front of the observation port.

[0014] The beneficial effects of the present invention are as follows: the present invention adopts a stepping motor to periodically rotate the glass carrier plate. While the glass carrier plate rotates, the cleaning mechanism automatically cleans the contaminated glass, and regularly rotates the cleaned observation window glass to achieve self-cleaning of the observation window glass of the high-temperature dust removal pipeline detector, avoiding blinding failure of the detector, and at the same time can improve the working efficiency of the spark monitoring device, realize maintenance-free working cycle of the detector, and reduce the equipment operation and maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an embodiment of a self-cleaning device for an observation window glass of a high-temperature dust removal duct detector of a bag-type dust collector according to the present invention.

[0016] Figure 2 yes Figure 1 Schematic diagram of the structure from another angle.

[0017] Figure 3 It is a structural diagram of the high-temperature dust removal pipeline.

[0018] Figure 4 It is a schematic diagram of the internal structure of the chassis compartment.

[0019] Figure 5 It is a schematic diagram of the parts structure on the glass carrier.

[0020] Figure 6 yes Figure 5 Schematic diagram of the structure from another angle.

[0021] Figure 7 It is a structural diagram of the bucket-shaped front chamber.

[0022] Figure 8 It is a structural schematic diagram of the liquid collecting and draining pipe, the main cleaning strip, the pre-cleaning strip, and the liquid collecting strip on the chassis compartment.

[0023] Fig. 9 It is a schematic diagram of the position structure of the atomizing nozzle and the main cleaning strip.

[0024] Figure numerals: 1. high-temperature dust removal duct; 2. bucket-shaped front chamber; 3. chassis compartment; 4. glass cleaning agent compartment; 5. connecting piece; 6. cover; 7. cleaning agent filling pipe; 8. glass carrier plate; 9. cleaning agent pipeline; 10. optical glass; 11. spark detection device host; 12. stepping motor; 13. fixing bracket; 14. water pump; 15. liquid collecting drainage pipe; 16. waste liquid drain valve; 17. chassis door; 18. first thermal insulation rubber ring; 19. observation port; 20. second thermal insulation rubber ring; 21. first through hole; 22. air inlet narrow opening; 23. main cleaning rubber strip; 24. pre-cleaning rubber strip; 25. third thermal insulation rubber ring; 26. liquid collecting rubber strip; 27. atomizing nozzle; 28. second through hole. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] like Figures 1 to 9 As shown, the bag-type dust collector high-temperature dust removal duct detector observation window glass self-cleaning device of this embodiment is composed of a high-temperature dust removal duct 1, a bucket-shaped front chamber 2, a chassis bin 3, a glass cleaning agent bin 4, a connecting piece 5, a cover 6, a cleaning agent filling pipe 7, a glass carrier plate 8, a cleaning agent duct 9, an optical glass 10, a spark detection device host 11, a stepping motor 12, a fixed bracket 13, a water pump 14, a liquid collecting drainage pipe 15, a waste liquid drain valve 16, a chassis door 17, a first thermal insulation rubber ring 18, an observation port 19, a second thermal insulation rubber ring 20, a first through hole 21, an air inlet narrow opening 22, a main cleaning rubber strip 23, a pre-cleaning rubber strip 24, a third thermal insulation rubber ring 25, a liquid collecting rubber strip 26, an atomizing nozzle 27, and a second through hole 28.

[0027] A second through hole 28 is processed on the outer wall of the high-temperature dust removal duct 1, and the second through hole 28 is circular or polygonal. A bucket-shaped front chamber 2 is provided on the outer wall of the high-temperature dust removal duct 1. A first through hole 21 interconnected with the second through hole 28 is processed on one side of the bucket-shaped front chamber 2. One side of the bucket-shaped front chamber 2 is fixedly connected to the chassis bin 3 through a connecting piece 5, and one side of the chassis bin 3 is movably connected to the chassis door 17 through a hinge. The chassis door 17 is located on the opening side of the chassis bin 3. An observation port 19 interconnected with the first through hole 21 is processed on the chassis bin 3, and a second thermal insulation rubber ring 20 is provided at the connection between the bucket-shaped front chamber 2 and the chassis bin 3. The second thermal insulation rubber ring 20 is respectively located on the outside of the first through hole 21 and the observation port 19. The second thermal insulation rubber ring 20 is used to isolate the high temperature of the outer wall of the high-temperature dust removal duct 1. An air intake narrow opening 22 located on the side of the second thermal insulation rubber ring 20 is processed on the bucket-shaped front chamber 2. When the high-temperature dust removal duct 1 is working, the bag dust collector motor will generate negative pressure when exhausting air, and the air intake narrow opening 22 will continuously inhale external air to form a low-temperature air curtain in front of the optical glass 10 of the observation port 19, which can not only reduce the working temperature of the optical glass 10, but also greatly reduce the adhesion and pollution of smoke particles to the optical glass 10.

[0028] A fixed bracket 13 is provided on the bottom plate of the chassis compartment 3, and a stepper motor 12 is provided on the fixed bracket 13. The output shaft of the stepper motor 12 is fixedly connected to the glass carrier 8 through a shaft coupling. A first heat-insulating rubber ring 18 is provided between the spark detection device host 11 and the optical glass 10 located on the front side of the glass carrier 8 directly in front of the observation port 19. The first heat-insulating rubber ring 18 is used to isolate the high temperature of the outer wall of the high-temperature dust removal duct 1 and prevent the influence of external ambient light on the spark detection device host 11. A third heat-insulating rubber ring 25 is provided between the inner side plate of the chassis compartment 3 and the optical glass 10 located on the rear side of the glass carrier 8 directly in front of the observation port 19.

[0029] A plurality of openings are evenly processed in the circumferential direction on the glass carrier plate 8, and each opening is respectively inlaid with an optical glass 10 for observing the interior of the high-temperature dust removal duct 1. The observation port 19 is located directly in front of the first through hole 21, and the first through hole 21 is located directly in front of the second through hole 28. The horizontal center line of the observation port 19 and the horizontal center line of the second through hole 28 are respectively aligned with the horizontal center line of the first through hole 21. A spark detection device host 11 for observing the inside of the high-temperature dust removal pipeline 1 is arranged on the fixed bracket 13. The spark detection device host 11 can also control the operation of the stepper motor 12. The spark detector host adopts the Yinglong model HS-IM-20 equipment host of the fire protection series of Shaanxi Huasuyun Intelligent Technology Co., Ltd. The inner panel of the chassis compartment 3 is provided with a pre-cleaning rubber strip 24 for scraping off floating dust on the glass surface, the inner panel of the chassis compartment 3 is provided with a main cleaning rubber strip 23 for scraping off the cleaning agent on the optical glass 10, and the inner panel of the chassis compartment 3 is provided with a liquid collecting rubber strip 26 for collecting and guiding the cleaning agent on the optical glass 10. The scraping surfaces of the main cleaning rubber strip 23, the pre-cleaning rubber strip 24 and the liquid collecting rubber strip 26 are in contact with the optical glass 10 respectively.

[0030] A glass cleaning agent tank 4 for storing cleaning agent is provided at the bottom of the chassis tank 3. A liquid collecting drainage pipe 15 is provided at the inlet end of the glass cleaning agent tank 4 and is interconnected with the glass cleaning agent tank 4. The outlet end of the liquid collecting rubber strip 26 is interconnected with the inlet end of the liquid collecting drainage pipe 15. A cleaning agent filling pipe 7 is provided at the inlet end of the glass cleaning agent tank 4 and is interconnected with the glass cleaning agent tank 4. The filling port of the cleaning agent filling pipe 7 is provided with a cover 6. A water pump 14 for pumping the cleaning agent in the glass cleaning agent tank 4 into the cleaning agent pipeline 9 is provided on the glass cleaning agent tank 4. An atomizing nozzle 27 is provided at the outlet end of the cleaning agent pipeline 9. The atomizing nozzle 27 is located above the main cleaning rubber strip 23. A waste liquid drain valve 16 is provided at the bottom outlet end of the glass cleaning agent tank 4.

[0031] The working principle of this embodiment is as follows: the spark detection device host 11 sends an action signal to the stepper motor 12 according to a preset time period, the stepper motor 12 rotates at a preset fixed angle, and the output shaft of the stepper motor 12 drives the clean optical glass 10 adjacent to the glass carrier 8 to rotate, and the clean optical glass 10 rotates to the observation port position of the spark detection device host 11. At the same time, the clean optical glass 10 is located in front of the observation port 19 of the chassis compartment 3, the first through hole 21 of the bucket-shaped front chamber 2, and the second through hole 28 of the high-temperature dust removal pipe 1, and the contaminated optical glass 10 is transferred to the cleaning area. During the rotation of the optical glass 10 on the glass carrier 8, the pre-cleaning rubber strip 24 is first used to remove the dust on the surface of the optical glass 10. The water pump 14 draws the cleaning agent in the glass cleaning agent tank 4 into the cleaning agent pipeline 9. The cleaning agent in the cleaning agent pipeline 9 is sprayed to the optical glass 10 in the cleaning area through the atomizing nozzle 27 to wash away the smoke particles on the contaminated optical glass 10. The cleaned optical glass 10 passes through the main cleaning rubber strip 23 to scrape off the sewage left by the optical glass 10 to ensure the cleanliness of the surface of the optical glass 10 after it is rotated out of the cleaning area. The sewage generated by the cleaning flows downward along the liquid collecting rubber strip 26 through the gap between the inner wall of the chassis tank 3 and the glass carrier 8 into the liquid collecting drainage pipe 15 and flows into the glass cleaning agent tank 4 at the bottom of the chassis tank 3. The cleaning agent in the glass cleaning agent tank 4 can be periodically emptied and replaced according to the actual working conditions to ensure the cleaning effect of the glass.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. Bag type dust collector high temperature dust removal pipeline detector observation window glass self-cleaning device, characterized by: A second through hole (28) is machined on the outer wall of the high-temperature dust removal duct (1), a bucket-shaped front chamber (2) is provided on the outer wall of the high-temperature dust removal duct (1), a first through hole (21) interconnected with the second through hole (28) is machined on one side of the bucket-shaped front chamber (2), one side of the bucket-shaped front chamber (2) is fixedly connected to the chassis compartment (3) via a connecting piece (5), an observation port (19) interconnected with the first through hole (21) is machined on the chassis compartment (3), a fixed bracket (13) is provided on the inner bottom plate of the chassis compartment (3), a stepping motor (12) is provided on the fixed bracket (13), an output shaft of the stepping motor (12) is fixedly connected to the glass carrier (8) via a shaft coupling, and the glass carrier (8) is uniformly circumferentially An optical glass (10) for observing the interior of a high-temperature dust removal duct (1) is processed; a spark detection device host (11) for observing the interior of a high-temperature dust removal duct (1) is arranged on a fixed bracket (13); a pre-cleaning rubber strip (24) for scraping off dust on a glass surface is arranged on the inner side plate of the chassis compartment (3); a main cleaning rubber strip (23) for scraping off a cleaning agent on the optical glass (10) is arranged on the inner side plate of the chassis compartment (3); a liquid collecting rubber strip (26) for collecting and guiding the cleaning agent on the optical glass (10); and the scraping surfaces of the main cleaning rubber strip (23), the pre-cleaning rubber strip (24), and the liquid collecting rubber strip (26) are in contact with the optical glass (10) respectively.

2. The bag filter high temperature dust removal duct detector observation window glass self-cleaning device according to claim 1 is characterized by: The observation port (19) is located directly in front of the first through hole (21), and the first through hole (21) is located directly in front of the second through hole (28). The horizontal center line of the observation port (19) and the horizontal center line of the second through hole (28) are respectively aligned with the horizontal center line of the first through hole (21).

3. The bag filter high temperature dust removal duct detector observation window glass self-cleaning device according to claim 1 is characterized by: One side of the chassis compartment (3) is movably connected to the chassis door (17) via a hinge, and the chassis door (17) is located on the opening side of the chassis compartment (3).

4. The bag filter high temperature dust removal duct detector observation window glass self-cleaning device according to claim 1, characterized in that: A glass cleaning agent bin (4) for storing cleaning agent is arranged at the bottom of the chassis bin (3); a cleaning agent filling pipe (7) which is in communication with the glass cleaning agent bin (4) is arranged at the inlet end of the glass cleaning agent bin (4); a filling port of the cleaning agent filling pipe (7) is provided with a cover (6); a water pump (14) for pumping the cleaning agent in the glass cleaning agent bin (4) into the cleaning agent pipeline (9) is arranged on the glass cleaning agent bin (4); an atomizing nozzle (27) is arranged at the outlet end of the cleaning agent pipeline (9); and the atomizing nozzle (27) is located above the main cleaning rubber strip (23).

5. The bag filter high-temperature dust removal duct detector observation window glass self-cleaning device according to claim 4 is characterized by: A waste liquid drain valve (16) is provided at the bottom outlet of the glass cleaning agent tank (4).

6. The bag filter high temperature dust removal duct detector observation window glass self-cleaning device according to claim 4, characterized in that: The inlet end of the glass cleaning agent bin (4) is provided with a liquid collecting and drainage pipe (15) which is in communication with the inlet end, and the outlet end of the liquid collecting rubber strip (26) is in communication with the inlet end of the liquid collecting and drainage pipe (15).

7. The bag filter high temperature dust removal duct detector observation window glass self-cleaning device according to claim 1, characterized in that: A second heat-insulating rubber ring (20) is provided at the connection between the bucket-shaped front chamber (2) and the chassis compartment (3), and the second heat-insulating rubber ring (20) is respectively located outside the first through hole (21) and the observation port (19), and an air inlet narrow opening (22) located on the side of the second heat-insulating rubber ring (20) is processed on the bucket-shaped front chamber (2).

8. The bag filter high temperature dust removal duct detector observation window glass self-cleaning device according to claim 1, characterized in that: A first heat-insulating rubber ring (18) is provided between the main unit (11) of the spark detection device and the optical glass (10) located directly in front of the observation port (19) on the front side of the glass carrier (8).

9. The bag filter high temperature dust removal duct detector observation window glass self-cleaning device according to claim 1, characterized in that: A third heat-insulating rubber ring (25) is provided between the inner side plate of the chassis compartment (3) and the optical glass (10) located directly in front of the observation port (19) on the rear side of the glass carrier (8).

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