Pipeline dust cleaning scraper of waste gas treatment equipment
By designing the piston threaded rod structure of the drive component and scraper component, the scraper can move forward, reverse, and reciprocate. Combined with the design of long and short blades, the problem of time-consuming, labor-intensive, and dead-angle-prone dust cleaning of the inner wall of the exhaust gas treatment equipment pipes is solved, achieving efficient cleaning.
Patent Information
- Application Number
- CN202520098142.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-16
AI Technical Summary
In existing technologies, cleaning dust from the inner walls of exhaust gas treatment equipment pipes is time-consuming, labor-intensive, and prone to creating blind spots, resulting in low cleaning efficiency.
A dust scraper comprising a drive assembly and a scraper assembly was designed. The piston moves forward and backward and reciprocating on a threaded rod, driving the scraper to move forward and backward and reciprocating. Combined with the design of long and short blades, it can fully cover the inner wall of the pipe and reduce cleaning dead corners.
It achieves more efficient dust removal, reduces cleaning dead spots, and improves cleaning efficiency.
Smart Images
Figure CN223902551U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste gas cleaning technical field especially is related to a waste gas treatment equipment cleaning pipeline dust scraper. BACKGROUND
[0002] In the chemical industry, certain chemical gases in the high-temperature combustion process will occur a series of complex chemical reactions. These reactions not only produce target products, but also generate a series of by-products. These by-products usually have different physical and chemical properties, some of which may be gaseous or liquid at high temperature, but as the temperature decreases, they will gradually solidify or deposit and adhere to the pipe wall. At present, for this phenomenon, manual brushing tools are mostly used to scrape and clean the pipe wall, which makes the cleaning process time-consuming and laborious, and dead angles are easily produced during the cleaning process, resulting in incomplete cleaning and low cleaning efficiency. SUMMARY
[0003] Therefore, the utility model provides a waste gas treatment equipment cleaning pipeline dust scraper to solve the above problems.
[0004] A waste gas treatment equipment cleaning pipeline dust scraper, comprising a driving assembly and a scraper assembly arranged on the output end of the driving assembly. The driving assembly comprises a cylinder, a threaded rod fixedly arranged in the cylinder, a piston arranged on the threaded rod, and an output rod arranged on the piston. The scraper assembly comprises a mounting rod arranged on the output rod, an extension rod arranged on the end of the mounting rod away from the driving assembly, and a scraper arranged on the end of the extension rod away from the mounting rod. The scraper comprises a connecting portion, a long blade body arranged on one end of the connecting portion, and a short blade body arranged on the other end of the connecting portion. A first gas hole and a second gas hole are arranged on the cylinder in parallel with the length direction of the threaded rod, and the first and second gas holes are located on the two sides of the piston. The threaded rod is threadedly connected with the piston. The length of the long blade body is greater than the length of the short blade body, and the output faces of the long blade body and the short blade body are arranged opposite to each other.
[0005] Further, the circumferential outer wall of the piston is in gap contact with the circumferential inner wall of the cylinder.
[0006] Further, a sealing ring is arranged on the circumferential outer wall of the piston.
[0007] Further, the output rod is hollow inside, is fixedly arranged on the side of the piston away from the threaded rod, and is arranged in space with the threaded rod.
[0008] Further, the output rod is provided with a threaded hole at the end thereof, and the threaded hole is connected with the mounting rod.
[0009] Further, the mounting rod is provided with a mounting groove at the end thereof, and the mounting groove is provided with a through hole on the side wall thereof.
[0010] Further, the dust scraper for cleaning pipeline of waste gas treatment equipment further comprises a cover which is fixedly arranged on one side of the driving assembly.
[0011] Further, the cover is slidably arranged on the circumferential outer wall of the mounting rod.
[0012] Compared with the prior art, the dust scraper for cleaning pipeline of waste gas treatment equipment provided by the utility model can make the piston reciprocate along the length direction of the threaded rod while being reversely rotated, so that the scraper is reversely rotated and reciprocated, so that the scraper can more comprehensively cover the inner wall of the pipeline, and the dust can be effectively scraped, and the cleaning dead angle is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The dust scraper for cleaning pipeline of waste gas treatment equipment provided by the utility model is shown in the structural schematic view.
[0014] Figure 2 The dust scraper for cleaning pipeline of waste gas treatment equipment provided by the utility model is shown in the structural schematic view. Figure 1 The dust scraper for cleaning pipeline of waste gas treatment equipment provided by the utility model is shown in the structural schematic view.
[0015] Figure 3 The dust scraper for cleaning pipeline of waste gas treatment equipment provided by the utility model is shown in the structural schematic view. Figure 1 The dust scraper for cleaning pipeline of waste gas treatment equipment provided by the utility model is shown in the structural schematic view.
[0016] Figure 4 The dust scraper for cleaning pipeline of waste gas treatment equipment provided by the utility model is shown in the structural schematic view. Figure 1 The dust scraper for cleaning pipeline of waste gas treatment equipment provided by the utility model is shown in the structural schematic view. DETAILED DESCRIPTION
[0017] The specific embodiments of the utility model will be further described in detail below. It should be understood that the description of the embodiments of the utility model herein is not used to limit the protection scope of the utility model.
[0018] As Figure 1As shown, it is the waste gas treatment equipment cleaning pipeline dust scraper's structural diagram provided by the utility model. The waste gas treatment equipment cleaning pipeline dust scraper includes a driving assembly 10, and a scraper assembly 20 arranged at the output end of the driving assembly 10. It is conceivable that the waste gas treatment equipment cleaning pipeline dust scraper also includes some other functional modules, such as gas supply module, lubricating oil and the like, which are known to those skilled in the art, and will not be described one by one.
[0019] Please see Figures 2 to 4 The driving assembly 10 includes a cylinder body 11, a threaded rod 12 fixedly arranged in the cylinder body 11, a piston 13 arranged on the threaded rod 12, and an output rod 14 arranged on the piston 13.
[0020] A first air hole 15 and a second air hole 16 are arranged and spaced apart on the cylinder body 11 respectively, the arrangement direction of the first and second air holes 15, 16 is parallel to the length direction of the threaded rod 12, and the first and second air holes 15, 16 are respectively located on both sides of the piston 13. A cavity for the movement of the piston 13 is formed in the cylinder body 11, the circumferential outer side wall of the piston 13 is in gap contact with the circumferential inner side wall of the cylinder body 11, so that the cavity is divided into two by the piston 13, and the two cavities are respectively communicated with the first and second air holes 15, 16. A sealing ring is arranged on the circumferential outer side wall of the piston 13, which seals the gap between the circumferential outer side wall of the piston 13 and the circumferential inner side wall of the cylinder body 11, improves the sealing property between the cylinder body 11 and the piston 13, and reduces the leakage amount of gas.
[0021] The outer side wall of the threaded rod 12 is provided with external threads, the inner side wall of the piston 13 is provided with internal threads when the piston 13 is sleeved on the threaded rod 12, the threaded rod 12 is threadedly connected with the piston 13, so that the gas supply module intermittently supplies gas to the first and second air holes 15, 16 respectively, so that the piston 13 can also move back and forth along the length direction of the threaded rod 12 while being reversed.
[0022] The output rod 14 is hollow inside, is fixedly arranged on the side of the piston 13 away from the threaded rod 12, and is spaced apart from the threaded rod 12, so that when the piston 13 is reversed and moves back and forth, the output rod 14 can also be reversed and moved back and forth. During the movement of the piston, the part of the threaded rod 12 penetrating through the piston 13 is located in the output rod 14, so as to ensure the sealing property of the two cavities.
[0023] The output rod 14 is driven by the piston 13 to rotate and reciprocate, and drives the scraper assembly 20 to rotate and reciprocate, so that the scraper assembly 20 can rotate and reciprocate to cover the inner wall of the pipeline more comprehensively, so as to ensure that the dust is effectively scraped off and the dead angle is reduced.
[0024] The output rod 14 penetrates through the cylinder body 11 away from the piston 13, and the end of the output rod 14 penetrating through the cylinder body 11 is provided with a threaded hole 17 for connecting the scraper assembly 20.
[0025] The scraper assembly 20 comprises an installation rod 21 arranged on the output rod 14, an extension rod 22 arranged on the end of the installation rod 12 away from the driving assembly 10, and a scraper 23 arranged on the end of the extension rod 22 away from the installation rod 12.
[0026] The end of the installation rod 21 towards the output rod 14 is provided with an installation groove 24 for connecting the output rod 14, and the side wall of the installation groove 24 is provided with a through hole 25 corresponding to the threaded hole 17, so that the part of the output rod 14 penetrating through the cylinder body 11 is installed into the installation groove 24, and a screw is penetrated through the through hole 25 and locked in the threaded hole 17, so that the installation rod 21 and the output rod 14 are fixed together.
[0027] One end of the extension rod 22 can be fixed to the end of the installation rod 21 away from the installation groove 24 by screwing or tenoning, and the extension rod 22 is mainly used to lengthen the length of the scraper assembly 20, so that it can clean the inside of a longer pipeline.
[0028] The scraper 23 comprises a connecting part 26, a long blade body 27 arranged on one end of the connecting part 26, and a short blade body 28 arranged on the other end of the connecting part 26.
[0029] The connecting part 26 is in the shape of a long strip, and one end of the connecting part 26 is connected to the extension rod 22, so that the rotation and movement of the extension rod 22 can drive the rotation and movement of the blade bodies at both ends of the connecting part 26.
[0030] The length of the long blade body 27 is greater than the length of the short blade body 28, and the output faces of the long blade body 27 and the short blade body 28 are arranged opposite to each other, so that the scraper 23 can fully contact the inner wall of the pipeline during the rotation and reciprocation of the scraper 23, further reducing the dead angle and improving the cleaning efficiency.
[0031] The dust scraper of the waste gas treatment equipment cleaning pipeline further comprises a cover 30 arranged on one side of the driving assembly 10, which is sleeved on the circumferential outer wall of the mounting rod 21 away from the side of the driving assembly 10, so as to effectively prevent external impurities from entering the connection between the output rod 14 and the mounting rod 21, avoid loosening or failure of the connection due to corrosion or wear, and improve the stability of the dust scraper.
[0032] Compared with the prior art, the dust scraper of the waste gas treatment equipment cleaning pipeline provided by the utility model can make the piston 13 reciprocate along the length direction of the threaded rod 12 while being reversely rotated through intermittent air supply operation of the first and second air holes 15 and 16, so that the scraper 23 is reversely rotated and reciprocated, the scraper 23 can more comprehensively cover the inner wall of the pipeline, dust can be effectively scraped off, and the cleaning dead angle is reduced. The length of the long cutter body 27 is greater than the length of the short cutter body 28, so that the scraper 23 can fully contact the inner wall of the pipeline, the cleaning dead angle is further reduced, and the cleaning efficiency is improved.
[0033] The above is only a preferred embodiment of the utility model, and is not used for limiting the protection scope of the utility model, and any modification, equivalent replacement or improvement within the spirit of the utility model is covered in the claim scope of the utility model.
Claims
1. A dust scraper for cleaning pipes in a waste gas treatment device, characterized in that: The dust scraper for cleaning the exhaust gas treatment pipe includes a drive assembly and a scraper assembly disposed at the output end of the drive assembly. The drive assembly includes a cylinder, a threaded rod fixedly disposed in the cylinder, a piston disposed on the threaded rod, and an output rod disposed on the piston. The scraper assembly includes a mounting rod disposed on the output rod, an extension rod disposed at one end of the mounting rod away from the drive assembly, and a scraper disposed at one end of the extension rod away from the mounting rod. The scraper includes a connecting portion, a long blade disposed at one end of the connecting portion, and a short blade disposed at the other end of the connecting portion. A first air hole and a second air hole are respectively arranged and spaced apart on the cylinder. The arrangement direction of the first and second air holes is parallel to the length direction of the threaded rod, and the first and second air holes are respectively located on both sides of the piston. The threaded rod is threadedly connected to the piston. The length of the long blade is greater than the length of the short blade, and the output surfaces of the long blade and the short blade face each other.
2. The dust scraper for cleaning pipelines in the waste gas treatment equipment according to claim 1, characterized in that: The outer circumferential wall of the piston is in close contact with the inner circumferential wall of the cylinder.
3. The dust scraper for cleaning pipelines in the waste gas treatment equipment according to claim 1, characterized in that: A sealing ring is provided on the circumferential outer wall of the piston.
4. The dust scraper for cleaning pipes in the waste gas treatment equipment according to claim 1, characterized in that: The output rod is hollow inside and is fixedly located on the side of the piston away from the threaded rod, and is spaced apart from the threaded rod.
5. The dust scraper for cleaning pipelines in the waste gas treatment equipment according to claim 1, characterized in that: The end of the output rod away from the piston passes through the cylinder body, and the end through which it passes has a threaded hole for connection with the mounting rod.
6. The dust scraper for cleaning pipelines in the waste gas treatment equipment according to claim 1, characterized in that: The mounting rod has a mounting groove at its end facing the output rod, and a through hole is formed on the side wall of the mounting groove.
7. The dust scraper for cleaning pipelines in the waste gas treatment equipment according to claim 1, characterized in that: The dust scraper for cleaning the pipes in the exhaust gas treatment equipment also includes a cover fixedly installed on one side of the drive assembly.
8. The dust scraper for cleaning pipelines in the waste gas treatment equipment according to claim 7, characterized in that: The cover is slidably fitted onto the circumferential outer wall of the mounting rod on the side away from the drive assembly.