A cleaning mechanism for a flue gas duct

Abstract

The utility model relates to a kind of cleaning mechanism for flue gas pipeline, belong to energy-saving and environment-friendly production equipment technical field.Mechanism includes shell, drill bit, motor, handheld support pipe, curved surface body and fan, wherein, shell interior is hollow, shell bottom end is provided with handheld support pipe, handheld support pipe is connected with fan by hose;Shell upper portion is fixedly provided with motor, motor output shaft is connected with vertical pivot, vertical pivot extends out of shell, vertical pivot top is provided with drill bit, shell top is transversely provided with horizontal pivot, horizontal pivot middle part is connected with vertical pivot by driving member, horizontal pivot both ends extend out of shell and are respectively provided with curved surface body, and curved surface body is provided with several toothings.The utility model is broken by drill bit, and the complete cleaning of the inner wall of flue gas pipeline is realized by cooperation with curved surface body grinding, and the generated dust in the cleaning process can also be handled in time, the environment and the health of workers are protected, and the production efficiency is ensured.

Description

Technical Field

[0001] This utility model relates to a cleaning mechanism for flue gas ducts, belonging to the technical field of energy-saving and environmentally friendly production equipment. Background Technology

[0002] In the production process of the sintering flue gas countercurrent activated coke desulfurization and denitrification system, excess ammonia in the flue gas duct easily reacts with SO2 and water vapor in the flue gas to form ammonium salts. The ammonium salts and flue gas dust adhere to the inner wall of the duct. Over time, a large area of ​​ash deposits gradually forms on the inner wall of the duct, and may even form local siltation patches. This leads to a reduction in the cross-sectional area of ​​the flue gas duct cavity, which seriously affects the normal flow of flue gas and consequently reduces the overall production efficiency of the desulfurization and denitrification system.

[0003] Currently, the removal of ash accumulation in flue gas ducts is mainly done manually, which is not only inefficient, but also generates dust that is toxic. This not only causes localized pollution to the surrounding atmosphere, but also harms the health of nearby workers.

[0004] In the prior art, Chinese patent document CN214348396U discloses a flue gas duct cleaning device and a flue gas duct, including a dust scraper ring, a pull rod, and a drive mechanism. The dust scraper ring is connected to one end of the pull rod by several connecting ribs, and the other end of the pull rod is connected to the drive mechanism. The outer diameter of the dust scraper ring matches the inner diameter of the flue gas duct. The drive mechanism includes a pneumatic pull rod. This device removes dust adhering to the inner wall of the duct using the dust scraper ring at the end of the pull rod. However, it is difficult to completely clean the ash accumulation on the inner wall of the duct using only the dust scraper ring, and it still generates dust, polluting the environment. In view of this, there is an urgent need to invent an efficient and safe automated treatment device for removing the ash deposits on the inner wall of flue gas ducts. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this utility model provides a cleaning mechanism for flue gas ducts. It achieves thorough cleaning of the ash deposits on the inner wall of the flue gas ducts through a combination of drill bit crushing and curved surface grinding. It can also promptly handle the dust generated during the cleaning process, protecting the environment and the health of workers, and ensuring production efficiency.

[0006] The technical solution of this utility model is as follows: A cleaning mechanism for flue gas ducts includes a housing, a drill bit, a motor, a handheld holder, a curved body, and a fan. The housing is hollow inside, and a rigid (such as iron or copper) handheld holder is provided at the bottom of the housing. The handheld holder is connected to the fan via a flexible hose. A motor is fixedly installed on the upper part of the housing. The output shaft of the motor is connected to a vertical rotating shaft, which extends out of the housing. A drill bit is installed at the top of the vertical rotating shaft. A horizontal rotating shaft is installed on the top of the housing. The middle of the horizontal rotating shaft is connected to the vertical rotating shaft through a driving component. Curved bodies are installed at both ends of the horizontal rotating shaft after extending out of the housing. The curved bodies are hollow inside and have several grinding teeth for grinding the ash deposits on the inner wall of the flue gas duct.

[0007] According to a preferred embodiment of the present invention, the transverse rotating shaft includes a fixed shaft, a sleeve, and a fixing bolt. Both the fixed shaft and the sleeve are hollow tubes. The fixed shaft is fitted with sleeves at both ends, and the fixed shaft is symmetrically provided with fixing bolts. After the sleeve is adjusted to the correct position, the relative position of the sleeve and the fixed shaft is fixed by tightening the fixing bolts, which is a telescopic shaft design.

[0008] According to a preferred embodiment of the present invention, the driving component includes transmission teeth and gears. Transmission teeth are provided on the fixed shaft, and gears are mounted on the transverse rotating shaft. The transmission teeth mesh with the gears, and the transmission is carried out in the form of a worm gear, driving the curved body to rotate.

[0009] According to a preferred embodiment of the present invention, a dust suction window is provided at the lower part of the housing. Dust generated during the grinding process of the drill bit and the curved body enters the housing through the dust suction window and is then sucked away by the fan.

[0010] According to a preferred embodiment of the present invention, a partition is provided in the middle of the housing, and the partition is located below the motor to isolate the motor from the lower dust collection space and prevent dust from affecting the operation of the motor.

[0011] During operation, adjust the position of the fixed shaft and sleeve so that the distance between the two curved bodies is the same as the inner diameter of the flue. Connect the fan to the dust collector. Then, the operator holds the handheld support and inserts the cleaning mechanism into the pipe. The outer surfaces of the two curved bodies are in contact with the inner wall of the pipe. The fan and motor are turned on, and the drill bit drills and breaks up the blockages in the pipe, ensuring that the device's forward space is not restricted. The curved bodies rotate, and the operator manually controls the radial angle and insertion length of the handheld support in the pipe to move up and down and rotate 360° radially within the pipe cavity, repeatedly grinding and cleaning the inner wall of the pipe. This ensures 360° cleaning of the attachments without dead angles. During the cleaning process, the fan is running throughout, sucking out the pulverized particles and dust through the hose and transporting them to the dust collector to avoid environmental pollution.

[0012] The beneficial effects of this utility model are as follows: This invention utilizes a combination of drill bit crushing and curved surface grinding to thoroughly clean the ash deposits on the inner wall of flue gas ducts. It can also promptly handle the dust generated during the cleaning process, protecting the environment and the health of workers while ensuring production efficiency. Attached Figure Description

[0013] Figure 1 This is a front view structural diagram of the present utility model; Figure 2 This is a side view schematic diagram of the curved surface structure of this utility model; Figure 3 This is a schematic diagram of the drive component structure of this utility model; Figure 4 This is a schematic diagram of the fan structure of this utility model; The components include: 1. Drill bit; 2. Handheld holder; 3. Hose; 4. Fan; 5. Housing; 6. Motor; 7. Vertical shaft; 8. Partition; 9. Dust suction window; 10. Curved surface; 11. Grinded teeth; 12. Horizontal shaft; 13. Transmission teeth; 14. Gear; 121. Fixed shaft; 122. Sleeve; 123. Fixing bolt. Detailed Implementation

[0014] The present invention will be further described below with reference to the embodiments and accompanying drawings, but is not limited thereto.

[0015] Example 1: like Figure 1-4 As shown, this embodiment provides a cleaning mechanism for flue gas ducts, including a housing 5, a drill bit 1, a motor 6, a handheld holder 2, a curved body 10, and a fan 4. The housing 5 is hollow inside, and a hard (such as iron, copper, etc.) handheld holder 2 is provided at the bottom of the housing 5. The handheld holder 2 is connected to the fan 4 through a flexible hose 3. A motor 6 is fixedly installed on the upper part of the housing 5. The output shaft of the motor 6 is connected to a vertical rotating shaft 7. The vertical rotating shaft 7 extends out of the housing 5. A drill bit 1 is installed on the top of the vertical rotating shaft 7. A horizontal rotating shaft 12 is installed on the top of the housing 5. The middle part of the horizontal rotating shaft 12 is connected to the vertical rotating shaft 7 through a driving component. Curved bodies 10 are installed at both ends of the horizontal rotating shaft 12 after extending out of the housing. The curved bodies are hollow inside. Several grinding teeth 11 are provided on the curved bodies 10 for grinding the ash deposits on the inner wall of the flue gas duct.

[0016] The transverse rotating shaft 12 includes a fixed shaft 121, a sleeve 122, and a fixing bolt 123. Both the fixed shaft 121 and the sleeve 122 are hollow tubes. The sleeves 122 are respectively fitted onto both ends of the fixed shaft 121. The fixing bolts 123 are symmetrically arranged on the fixed shaft 121. After the sleeve position is adjusted to the correct position, the relative position of the sleeve and the fixed shaft is fixed by tightening the fixing bolts. This is a telescopic shaft design.

[0017] The driving component includes a transmission tooth 13 and a gear 14. The transmission tooth 13 is provided on the fixed shaft 121, and the gear 14 is mounted on the transverse rotating shaft 12. The transmission tooth 13 is meshed with the gear 14, and the transmission is carried out in the form of a worm gear, which drives the curved body to rotate.

[0018] The lower part of the housing 5 is provided with a dust suction window 9. Dust generated during the grinding process of the drill bit and the curved body enters the housing through the dust suction window and is then sucked away by the fan.

[0019] A partition 8 is provided in the middle of the housing 5. The partition 8 is located below the motor 6 and is used to isolate the motor from the lower dust collection space to prevent dust from affecting the operation of the motor.

[0020] During operation, adjust the position of the fixed shaft and sleeve so that the distance between the two curved bodies is the same as the inner diameter of the flue. Connect the fan 4 to the dust collector. Then, the operator holds the handheld support 2 and inserts the cleaning mechanism into the pipe. The outer sides of the two curved bodies 10 are in contact with the inner walls of both sides of the pipe. The fan 4 and motor 6 are turned on, and the drill bit 1 drills and breaks up the blockage in the pipe, ensuring that the device's forward space is not restricted. The curved bodies 10 rotate, and the operator manually controls the up and down movement of the handheld pipe to repeatedly grind the inner wall of the pipe. Then, adjust the radial angle of the handheld support 2 and continue cleaning to clean the attachments on the pipe wall 360° without dead angles. During the cleaning process, the fan 4 is turned on throughout, and the cleaning powder and dust are sucked out through the hose 3 and transported to the dust collector to avoid environmental pollution.

[0021] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A cleaning mechanism for flue gas ducts, characterized in that, It includes a housing, drill bit, motor, handheld support, curved body and blower. The housing is hollow inside, and a handheld support is installed at the bottom of the housing. The handheld support is connected to the blower through a hose. A motor is fixedly installed on the upper part of the housing. The output shaft of the motor is connected to a vertical rotating shaft. The vertical rotating shaft extends out of the housing. A drill bit is installed at the top of the vertical rotating shaft. A horizontal rotating shaft is installed on the top of the housing. The middle of the horizontal rotating shaft is connected to the vertical rotating shaft through a driving component. Curved bodies are installed at both ends of the horizontal rotating shaft after extending out of the housing. Several grinding teeth are installed on the curved bodies.

2. The cleaning mechanism for flue gas ducts as described in claim 1, characterized in that, The transverse rotating shaft includes a fixed shaft, a sleeve, and fixing bolts. Both the fixed shaft and the sleeve are hollow tubes. The fixed shaft is fitted with sleeves at both ends, and fixing bolts are symmetrically arranged on the fixed shaft.

3. The cleaning mechanism for flue gas ducts as described in claim 2, characterized in that, The vertical rotating shaft is provided with transmission teeth, and the fixed shaft is fitted with a gear, which is meshed with the transmission teeth.

4. The cleaning mechanism for flue gas ducts as described in claim 3, characterized in that, A dust extraction window is provided at the bottom of the casing.

5. The cleaning mechanism for flue gas ducts as described in claim 4, characterized in that, A partition is provided in the middle of the housing, and the partition is located below the motor.

6. The cleaning mechanism for flue gas ducts as described in claim 4, characterized in that, The curved solid is hollow inside.

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