Dust-collecting-preventing soot blower of soot blowing pipe

Abstract

The utility model relates to a soot blower with a soot blowing pipe capable of preventing dust collection, which belongs to the technical field of boiler soot blowers and comprises a frame, a sealing seat, a lifting valve, the soot blowing pipe, a driving motor, a gear, a driving fluted disc, a transmission chain, a convex block, a top block, a connecting arm and a blowing nozzle. A sealing seat is installed on the frame, a lifting valve communicated with the sealing seat is installed outside the frame, a blowing nozzle is rotationally communicated with the sealing seat, a driving motor is installed outside the frame, a gear is installed at the position of an output shaft of the driving motor, a driving fluted disc is installed outside the soot blowing pipe, and the driving fluted disc is connected with the driving fluted disc. And a transmission chain is engaged between the gear and the driving fluted disc. According to the soot blower capable of preventing dust collection of the soot blowing pipe, through the arrangement of the cleaning assembly, it is guaranteed that during soot blowing treatment, airflow drives the cleaning assembly to clean dust on the inner wall of the soot blowing pipe, the cleaned dust is collected through the soot cleaning assembly, and the situation that the dust is accumulated in the soot blowing pipe, blockage is caused, and the soot blowing effect is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler soot blowers, in particular to a soot blower with a soot blowing pipe that prevents dust collection. Background Art

[0002] A soot blower is an instrument used to remove soot accumulated on the heating surface of a boiler. It is usually composed of a soot blowing pipe and operating valves and other components. It is generally installed on the furnace wall of the boiler furnace, horizontal flue and tail flue. According to the structural type, there are several types, such as gun type, rotary type, telescopic type, etc. According to the medium used, there are three types: air soot blowers, steam soot blowers and hydraulic soot blowers. Air soot blowers use the impact force of the high-pressure airflow of compressed air to blow away the soot accumulated on the heating surface; they are often used in industrial boilers.

[0003] Among them, the soot blower blows gas into the boiler through the soot blowing pipe to perform soot blowing treatment, but the soot blowing pipe does not have the function of cleaning soot, and dust can easily enter the soot blowing pipe through the blowing nozzle, causing dust to adhere to the pipe, affecting the exhaust, and thus affecting the soot blowing effect. Therefore, this application designs a soot blower with a soot blowing pipe that prevents dust collection to solve this technical defect of the prior art Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a soot blower with a soot blowing tube that prevents dust collection, which has the advantages of preventing dust collection on the soot blowing tube.

[0005] To achieve the above object, the utility model provides the following technical solutions: a sootblower with dust collection prevention function for a sootblowing pipe, comprising a frame, a sealing seat, a poppet valve, a sootblowing pipe, a driving motor, a gear, a driving gear disc, a transmission chain, a protrusion, a top block, a connecting arm, and a blowing nozzle;

[0006] A sealing seat is installed on the frame, a poppet valve connected to the sealing seat is installed on the outside of the frame, a blowing nozzle is rotatably connected to the sealing seat, a driving motor is installed on the outside of the frame, a gear is installed at the output shaft of the driving motor, a driving gear disc is installed on the outside of the sootblowing pipe, a transmission chain is meshed between the gear and the driving gear disc, a bump is installed on the outside of the driving gear disc, a connecting arm hinged to the frame is hinged on the valve stem of the poppet valve, and a top block located on the outside of the bump is installed at the other end of the connecting arm;

[0007] An isolation net is provided in the sootblowing pipe, and a cleaning component is provided in the sootblowing pipe for cleaning the dust inside the sootblowing pipe;

[0008] The soot blowing pipe is also provided with a soot cleaning component for extracting and storing the cleaned dust.

[0009] As an optimal technical solution of the present invention, the cleaning assembly includes a rotating shaft rotating inside the sootblowing pipe between the isolation net and the blowing nozzle, and a plurality of cleaning brushes in contact with the inner wall of the sootblowing pipe are installed on the outside of the rotating shaft.

[0010] By adopting the above technical solution, when soot is blown into the gas, the airflow drives the cleaning brush on the rotating shaft to rotate and clean the dust on the inner wall of the soot blowing pipe.

[0011] As a preferred technical solution of the present invention, the rotating shaft and the soot blowing pipe are cocentric, and the cleaning brushes are distributed in a circular shape with equal distances.

[0012] The above technical solution ensures that the cleaning brush can be driven to rotate in contact with the inner wall of the sootblowing pipe when the rotating shaft rotates.

[0013] As a preferred technical solution of the present invention, the dust cleaning component includes an air hole arranged on the outside of the dust blowing pipe between the isolation net and the blowing nozzle, the external limit rotation of the dust blowing pipe has a rotating circle connected to the air hole, the outside of the rotating circle is connected to an air pipe, the other end of the air pipe is connected to a collecting box, a vacuum cleaner is installed on the collecting box, and a suction pipe is connected between the dust suction port of the vacuum cleaner and the collecting box.

[0014] The above technical solution makes it easy to suck the cleaned dust into the collection box for collection.

[0015] As a preferred technical solution of the present invention, an annular groove communicating with the air hole is provided on the outside of the sootblowing pipe, and the rotating ring is located in the annular groove.

[0016] The above technical solution is adopted to facilitate the rotation ring to be limited in the annular groove without affecting the rotation of the sootblowing pipe.

[0017] As a preferred technical solution of the present invention, the opening of the collection box is covered with a sealing cover that is sealed and communicated with the air pipe, and a dustproof net is installed at the connection between the suction pipe and the collection box.

[0018] The above technical solution can prevent dust from being sucked into the suction pipe and causing clogging of the suction pipe.

[0019] As a preferred technical solution of the present invention, the blowing nozzle is provided with a plurality of blowing holes distributed at equal distances.

[0020] The above technical solution facilitates the discharge of gas from the blowing hole on the mouthpiece.

[0021] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0022] The sootblower with dust-proof effect in the sootblowing tube ensures that during the sootblowing process, the airflow drives the cleaning component to clean the dust on the inner wall of the sootblowing tube. The cleaned dust is collected by the cleaning component to prevent dust from accumulating in the sootblowing tube and causing blockage, thereby affecting the sootblowing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional diagram of the utility model;

[0024] Figure 2 This is a partial three-dimensional diagram of the sootblower of the present invention;

[0025] Figure 3 For this utility model Figure 2 A partially cutaway perspective view of

[0026] Figure 4 This is a bottom-up stereoscopic view of the present invention.

[0027] In the figure: 1. Frame; 2. Sealing seat; 3. Lift valve; 4. Sootblower; 5. Driving motor; 6. Gear; 7. Driving gear disc; 8. Transmission chain; 9. Bump; 10. Top block; 11. Isolation net; 12. Rotating shaft; 13. Cleaning brush; 14. Air hole; 15. Rotating circle; 16. Air pipe; 17. Blowing nozzle; 18. Connecting arm; 19. Collection box; 20. Vacuum cleaner; 21. Suction tube. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] See also Figure 1 In this embodiment, a soot blower with a soot blowing pipe to prevent dust collection includes a frame 1, a sealing seat 2, a lifting valve 3, a soot blowing pipe 4, a driving motor 5, a gear 6, a driving gear plate 7, a transmission chain 8, a protrusion 9, a top block 10, a connecting arm 18, and a blowing nozzle 17.

[0030] A sealing seat 2 is fixedly installed on the left side wall of the inner cavity of the frame 1, a lifting valve 3 connected to the sealing seat 2 at the exhaust port is fixedly installed on the outside of the frame 1, a blowing nozzle 17 is connected to the sealing seat 2 for circumferential rotation, a driving motor 5 is fixedly installed on the outside of the frame 1, a gear 6 is fixedly installed on the output shaft of the driving motor 5, a concentric driving toothed disc 7 is fixedly installed on the outside of the soot blowing pipe 4, a transmission chain 8 is meshed between the gear 6 and the outside of the driving toothed disc 7, a bump 9 is fixedly installed on the outside of the driving toothed disc 7, a connecting arm 18 hinged to the frame 1 is hinged on the valve stem of the lifting valve 3, and a top block 10 located on the outside of the bump 9 is fixedly installed on the other end of the connecting arm 18.

[0031] The blowing nozzle 17 is provided with a plurality of blowing holes distributed at equal distances, so that the gas can be discharged through the blowing holes.

[0032] See also Figures 2 to 3 In this embodiment, the soot blowing pipe 4 is installed with a mesh-shaped isolation net 11 for isolating the interior of the soot blowing pipe 4. The isolation net 11 is a stainless steel filter net. The soot blowing pipe 4 is provided with a cleaning component for cleaning the dust inside the soot blowing pipe 4.

[0033] It should be noted that the cleaning assembly includes a rotating shaft 12 that rotates circumferentially inside the sootblowing pipe 4 between the isolation net 11 and the blowing nozzle 17, and a plurality of cleaning brushes 13 that contact the inner wall of the sootblowing pipe 4 are fixedly mounted on the outside of the rotating shaft 12.

[0034] The rotating shaft 12 is coaxial with the sootblowing pipe 4 , and the cleaning brushes 13 are distributed in a circular shape with equal distances.

[0035] See also Figure 4 In this embodiment, the soot blowing pipe 4 is also provided with a dust cleaning component for extracting and storing the cleaned dust.

[0036] It should be noted that the dust cleaning component includes an air hole 14 opened on the outside of the dust blowing pipe 4 and located between the isolation net 11 and the blowing nozzle 17. The external limiting circumferential rotation of the dust blowing pipe 4 has a rotating circle 15 connected to the air hole 14. The outside of the rotating circle 15 is connected to an air pipe 16. The other end of the air pipe 16 is connected to a collecting box 19. A vacuum cleaner 20 is installed and fixed on the collecting box 19. A suction pipe 21 is connected between the dust suction port of the vacuum cleaner 20 and the collecting box 19.

[0037] Among them, a mounting bracket fixed to the collection box 19 is installed on the frame 1, and an automatic switch valve is provided on the air pipe 16 to ensure that the automatic switch valve is in a closed state during the soot blowing process to prevent air flow from being discharged from the air pipe 16.

[0038] An annular groove communicating with the air hole 14 is formed on the outside of the sootblowing pipe 4 , and the rotating ring 15 is located in the annular groove, which facilitates the positioning of the rotating ring 15 .

[0039] The opening of the collecting box 19 is covered with a sealing cover that is connected to the air pipe 16. A dustproof net is installed at the connection between the suction pipe 21 and the collecting box 19. The dustproof net prevents dust from entering the suction pipe 21. The dust stored in the collecting box 19 can be processed by opening the sealing cover.

[0040] The working principle of the above embodiment is:

[0041] During use, the driving motor 5 drives the gear 6 to rotate, and the transmission chain 8 engages the transmission to drive the soot blowing pipe 4 on the driving gear plate 7 to rotate synchronously on the sealing seat 2. At the same time, when the driving gear plate 7 rotates, the protrusion 9 is driven to rotate synchronously, so that the protrusion 9 contacts the top block 10, and the connecting arm 18 on the top block 10 is lifted and rotated to press the valve stem on the poppet valve 3, so that the valve plate on the valve stem moves down to open ventilation, thereby allowing air to enter the soot blowing pipe 4 and be blown out through the blowing nozzle 17 for soot cleaning (it should be noted that when the soot blowing pipe 4 rotates, since the rotating ring 15 rotates in a limited circle outside the soot blowing pipe 4, it can be achieved without driving the rotating ring 15 to rotate synchronously);

[0042] When the airflow enters the sootblowing tube 4, the airflow is aligned with the cleaning brush 13 on the rotating shaft 12, causing the cleaning brush 13 and the rotating shaft 12 to rotate, so that the cleaning brush 13 cleans the dust that has entered the sootblowing tube 4 and adheres to the inner wall. The isolation net 11 isolates the dust to prevent the dust from entering the sealing seat 2.

[0043] After the dust cleaning is completed, when no dust cleaning is performed, the set vacuum cleaner 20 is started to work, and the vacuum cleaner 20, the suction pipe 21, the collection box 19, the air pipe 16, the rotating circle 15, the air hole 14 and the soot blowing pipe 4 are interconnected, so that the cleaned dust is sucked into the collection box 19 through the air hole 14 for storage, thereby avoiding dust accumulation in the soot blowing pipe 4, causing accumulation and blockage, affecting the soot blowing effect.

[0044] The electrical components mentioned in this article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device that controls a computer, etc., and the existing public power connection technology is not described in detail in this article.

Claims

1. A soot blower for preventing dust collection in a soot blowing pipe, comprising a frame (1), a sealing seat (2), a lifting valve (3), a soot blowing pipe (4), a driving motor (5), a gear (6), a driving gear disc (7), a transmission chain (8), a protrusion (9), a top block (10), a connecting arm (18), and a blowing nozzle (17); A sealing seat (2) is installed on the frame (1), a lifting valve (3) connected to the sealing seat (2) is installed on the outside of the frame (1), a blowing nozzle (17) is rotatably connected to the sealing seat (2), a driving motor (5) is installed on the outside of the frame (1), a gear (6) is installed on the output shaft of the driving motor (5), a driving toothed disc (7) is installed on the outside of the soot blowing pipe (4), a transmission chain (8) is engaged between the gear (6) and the driving toothed disc (7), a bump (9) is installed on the outside of the driving toothed disc (7), a connecting arm (18) hinged to the frame (1) is hinged on the valve stem of the lifting valve (3), and a top block (10) located outside the bump (9) is installed on the other end of the connecting arm (18); Its characteristics are: An isolation net (11) is provided in the soot blowing pipe (4), and a cleaning component for cleaning dust inside the soot blowing pipe (4) is provided in the soot blowing pipe (4); The soot blowing pipe (4) is also provided with a soot cleaning component for extracting and storing the cleaned dust.

2. A sootblower with dust-proof sootblowing pipe according to claim 1, characterized in that: The cleaning assembly comprises a rotating shaft (12) that rotates inside the soot blowing pipe (4) and is located between the isolation net (11) and the blowing nozzle (17). A plurality of cleaning brushes (13) that contact the inner wall of the soot blowing pipe (4) are installed outside the rotating shaft (12).

3. A sootblower with dust-proof sootblowing pipe according to claim 2, characterized in that: The rotating shaft (12) and the soot blowing pipe (4) are cocentric, and the cleaning brushes (13) are distributed in a circular shape at equal distances.

4. A sootblower with dust-collection prevention function for a sootblowing pipe according to claim 3, characterized in that: The dust cleaning component includes an air hole (14) provided on the outside of the dust blowing pipe (4) between the isolation net (11) and the blowing nozzle (17); the external limit rotation of the dust blowing pipe (4) is provided with a rotating ring (15) connected to the air hole (14); the outside of the rotating ring (15) is connected to an air pipe (16); the other end of the air pipe (16) is connected to a collecting box (19); a dust collector (20) is installed on the collecting box (19); a suction pipe (21) is connected between the dust suction port of the dust collector (20) and the collecting box (19).

5. A sootblower with dust-collection prevention function for a sootblowing pipe according to claim 4, characterized in that: An annular groove communicating with the air hole (14) is provided on the outside of the sootblowing pipe (4), and the rotating ring (15) is located in the annular groove.

6. A sootblower with dust-collection-proof sootblowing pipe according to claim 4, characterized in that: The opening of the collection box (19) is covered with a sealing cover that is in communication with the air pipe (16), and a dustproof net is installed at the connection between the suction pipe (21) and the collection box (19).

7. The sootblower with dust-proof sootblowing pipe according to claim 1, characterized in that: The blowing nozzle (17) is provided with a plurality of blowing holes distributed at equal distances.

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