Cleaning device for steam turbine pipeline

Abstract

The invention discloses a cleaning device for a steam turbine pipeline, and relates to the technical field of steam turbine maintaining.The cleaning device for the steam turbine pipeline comprises a base, a plurality of supporting pieces, a sealing structure, an acid pickling structure and a collecting structure.The multiple supporting pieces are installed on the base, are sequentially arranged in the first direction and are used for containing the steam turbine pipeline; the sealing structure comprises a first driver and a sealing plate, the first driver is installed on the base and corresponds to a pipe opening of one steam turbine pipeline, the sealing plate is connected with the first driver in a sealed mode and used for sealing the pipe opening of the steam turbine pipeline, and the acid pickling structure comprises a storage box, a liquid pump, a spray head and a stirring device; the stirring device is installed in the storage box, the spray head is installed on the sealing plate and used for cleaning the inner cavity wall of the steam turbine pipeline, a liquid inlet of the liquid pump communicates with the liquid storage box, and a liquid outlet of the liquid pump is connected with the sealing plate and communicates with the spray head.

Description

Technical Field

[0001] This invention relates to the field of steam turbine maintenance technology, and in particular to a steam turbine pipeline cleaning device. Background Technology

[0002] Construction of lubricating oil pipelines for steam turbine generators has always been an important part of steam turbine installation. Similar to the main steam pipeline, the installation of oil pipelines must ensure welding quality while taking multiple measures to improve the cleanliness of the pipeline inner wall from multiple dimensions. Only when the pipeline inner wall is clean and free of contaminants can the quality of the circulating oil in the steam turbine generator be guaranteed, and the construction task can be completed smoothly and on schedule. This will shorten the start-up schedule, save unnecessary expenses, and ensure the company's profitability in terms of time and labor costs.

[0003] The cleaning process of steam turbine pipelines requires acid washing. During acid washing, the pipe openings need to be sealed and acid washing solution needs to be filled into the pipes to clean the debris inside. During the cleaning process, the air pressure inside the pipes also needs to be monitored to ensure the safety of the cleaning process. Summary of the Invention

[0004] The main objective of this invention is to provide a cleaning device for steam turbine pipelines, which aims to make cleaning steam turbine pipelines more convenient and faster.

[0005] To achieve the above objectives, the present invention provides a steam turbine pipeline cleaning device, comprising: Base; Multiple support components are installed on the base and arranged sequentially along the first direction for placing turbine pipes; A closed structure, comprising a first actuator and a sealing plate, wherein the first actuator is mounted on the base and is correspondingly arranged with respect to the port of one of the steam turbine pipes, and the sealing plate is closedly connected to the first actuator for sealing the port of the steam turbine pipe; The pickling structure includes a storage tank, a liquid pump, a nozzle, and a stirring device. The storage tank is mounted on the base, and the stirring device is installed inside the storage tank for mixing the cleaning solution. The nozzle is mounted on the sealing plate for cleaning the inner wall of the turbine pipeline. The inlet of the liquid pump is connected to the storage tank, and the outlet of the liquid pump is connected to the sealing plate and also communicates with the nozzle for pickling the pipe wall of the turbine pipeline. The collection structure includes a collection box and a discharge bend. The discharge bend is provided on the collection box and is used to connect to the pipe opening of the turbine pipeline to discharge cleaning fluid.

[0006] Preferably, a fan is provided on the storage box, and an air duct is provided on the sealing plate. The air duct is used to dry the pipe wall of the steam turbine pipeline. The fan is connected to the air duct and is used to dry the pipe wall of the steam turbine pipeline.

[0007] Preferably, the support includes a support rod and a support plate. The support rod is installed on the base, and the support plate is installed on the top of the support rod. The support plate is arc-shaped and used to support the turbine pipeline.

[0008] Preferably, the number of support rods is at least two, each support rod is installed on the base along a first direction, and each support rod gradually increases in height to allow the turbine pipeline to be placed at an angle.

[0009] Preferably, a plurality of ball bearings are rolled inside the pallet to assist the rotation of the turbine pipes.

[0010] Preferably, the pallet is provided with a connecting rod, the top of the connecting rod is mounted with a top plate, the top plate is mounted with a second driver, the second driver drives a striking plate connected to it, and the striking plate is mounted with a plurality of striking hammers for impacting the turbine pipes to break up the clumps inside the turbine pipes.

[0011] Preferably, the impact hammer is provided with a buffer pad for direct impact on the turbine pipe.

[0012] Preferably, the base is provided with two mounting plates, and a rotating rod is rotatably mounted between the opposite sides of the two mounting plates. A roller is mounted on the outer side of the rotating rod, and the roller is used to drive the turbine pipeline to rotate.

[0013] Preferably, the roller is provided with a plurality of rubber protrusions.

[0014] Preferably, the base is provided with a mounting seat, the mounting seat is provided with a third driver, the output shaft and the rotating rod of the third driver are both equipped with drive wheels, and belts are fitted on the two drive wheels for driving the roller to rotate.

[0015] The technical solution provided by this invention includes a pickling structure comprising a storage tank, a liquid pump, a nozzle, and a stirring device. The storage tank is mounted on the base, and the stirring device is installed inside the storage tank for mixing the cleaning liquid. The nozzle is mounted on the sealing plate for cleaning the inner wall of the turbine pipeline. The inlet of the liquid pump is connected to the storage tank, and the outlet of the liquid pump is connected to the sealing plate and also to the nozzle for pickling the pipe wall of the turbine pipeline. The collection structure includes a collection tank and a discharge bend. The discharge bend is provided on the collection tank and is used to connect to the pipe opening of the turbine pipeline to discharge the cleaning liquid. This effectively solves many technical problems existing in the cleaning process of turbine pipelines and improves the overall efficiency and safety of the cleaning operation. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 A perspective view of an embodiment of the steam turbine pipeline cleaning device provided by the present invention; Figure 2 for Figure 1 Schematic diagram of the middle support component; Figure 3 for Figure 1 Schematic diagram of the intermediate pickling structure; Figure 4 for Figure 1 Schematic diagram of the middle connecting rod; Figure 5 for Figure 1 A schematic diagram of the mounting base.

[0018] Explanation of icon numbers: 100. Cleaning device for steam turbine pipelines; 1. Base; 2. Enclosed structure; 21. First actuator; 22. Enclosed plate; 3. Acid washing structure; 31. Liquid pump; 32. Storage tank; 33. Nozzle; 34. Stirring device; 4. Support component; 41. Pallet; 42. Support rod; 43. Ball bearing; 5. Collection structure; 61. Fan; 62. Air duct; 71. Connecting rod; 72. Top plate; 73. Second actuator; 74. Striking plate; 75. Striking hammer; 8. Mounting base; 9. Third actuator; 10. Mounting plate; 11. Drive wheel; 12. Belt; 13. Rotating rod; 14. Roller.

[0019] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0021] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0022] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0023] This invention provides a cleaning device 100 for steam turbine pipelines. Figures 1 to 5 This is an embodiment of the steam turbine pipeline cleaning device 100 provided by the present invention.

[0024] Please refer to the following: Figures 1 to 3The turbine pipeline cleaning device 100 includes a base 1, multiple support members 4, a closed structure 2, an acid washing structure 3, and a collection structure 5. The multiple support members 4 are installed on the base 1 and arranged sequentially along a first direction for placing the turbine pipeline. The closed structure 2 includes a first actuator 21 and a sealing plate 22. The first actuator 21 is installed on the base 1 and corresponds to the opening of one of the turbine pipelines. The sealing plate 22 is closedly connected to the first actuator 21 to seal the opening of the turbine pipeline. The acid washing structure 3 includes a storage tank 32, a liquid pump 31, and a spray nozzle. The storage tank 32 is installed on the base 1, and the stirring device 34 is installed inside the storage tank 32 for mixing the cleaning liquid. The nozzle 33 is installed on the sealing plate 22 for cleaning the inner wall of the turbine pipeline. The inlet of the liquid pump 31 is connected to the storage tank, and the outlet of the liquid pump 31 is connected to the sealing plate 22 and communicates with the nozzle 33 for acid washing of the pipe wall of the turbine pipeline. The collection structure 5 includes a collection box and a discharge bend. The discharge bend is provided on the collection box and is used to connect to the pipe opening of the turbine pipeline to discharge the cleaning liquid.

[0025] The turbine pipeline is a cylindrical pipeline, so the placement surface of the support 4 for placing the pipeline is an arc-shaped surface, which allows the support 4 to stably place the turbine pipeline. When cleaning fluid is injected into the pipeline, the pipe opening needs to be sealed. Most turbine pipelines have two openings. Traditional acid washing methods require sealing both openings together to ensure that the acid washing fluid can remain in the inner cavity of the turbine pipeline for a long time, so as to fully react with the dirt in the pipeline and remove the dirt attached to the pipe wall. However, during the cleaning process, attention should also be paid to the air pressure inside the sealed pipeline to avoid danger. Now, only one opening of the pipeline is sealed. The other opening can discharge the dirt during the flushing process. Through continuous flushing, the dirt can be continuously flushed out of the pipeline, while avoiding dangerous operation with excessive air pressure. Due to gravity, most of the acid washing fluid will accumulate at the bottom of the pipeline. Therefore, the support 4 is set to an arc shape to facilitate pipeline rotation and ensure that the inner wall of the pipeline can contact a large amount of acid washing fluid for cleaning.

[0026] Multiple nozzles 33 are provided on the sealing plate 22. The nozzles 33 can be arranged in a ring and facing the inner wall of the pipe, so as to ensure that the acid can be flushed to the inner wall of the pipe along the ring during rinsing. The storage tank 32 is provided with stirring liquid to accelerate the mixing of the cleaning liquid. After the mixing is completed, the liquid pump 31 is started. The liquid pump 31 draws the mixed pickling liquid from the storage tank 32 through the inlet and delivers the cleaning liquid to the nozzles 33 on the sealing plate 22 through the outlet. The nozzles 33 spray the cleaning liquid into the inner wall of the turbine pipe in a fan shape or mist to chemically react and dissolve the oil and oxide layer on the inner wall of the pipe.

[0027] Therefore, in the technical solution provided by the present invention, the pickling structure 3 includes a storage tank 32, a liquid pump 31, a nozzle 33, and a stirring device 34. The storage tank 32 is installed on the base 1, and the stirring device 34 is installed inside the storage tank 32 for mixing the cleaning liquid. The nozzle 33 is installed on the sealing plate 22 for cleaning the inner wall of the turbine pipeline. The inlet of the liquid pump 31 is connected to the storage tank, and the outlet of the liquid pump 31 is connected to the sealing plate 22 and communicates with the nozzle 33 for pickling the pipe wall of the turbine pipeline. The collection structure 5 includes a collection tank and a discharge bend. The discharge bend is provided on the collection tank and is used to connect to the pipe opening of the turbine pipeline to discharge the cleaning liquid. This effectively solves many technical problems existing in the cleaning process of turbine pipelines and improves the overall efficiency and safety of the cleaning operation.

[0028] Please refer to the following: Figure 3 After pickling, cleaning fluid will remain on the inner wall of the turbine pipeline. If it is not removed in time, it may cause pipeline corrosion, secondary pollution, or affect subsequent testing and use. In order to ensure the normal use of the turbine pipeline after cleaning,

[0029] Specifically, in an embodiment of the present invention, a fan 61 is provided on the storage box 32, and an air duct 62 is provided on the sealing plate 22. The air duct 62 is used to dry the pipe wall of the steam turbine pipeline. The fan 61 is connected to the air duct 62 and is used to dry the pipe wall of the steam turbine pipeline.

[0030] By installing a fan 61 on the storage tank 32 in the pickling structure 3 and an air duct 62 on the sealing plate 22 in the sealing structure 2, effective drying of the inner wall of the turbine pipeline is achieved. Specifically, after the pickling process of the turbine pipeline is completed and the cleaning liquid is discharged, the fan 61 is started, generating a high-speed airflow. This airflow is precisely guided to the inner wall of the turbine pipeline through the air duct 62 connected to the fan 61. Since the air duct 62 is designed to blow airflow onto the pipe wall, the airflow can fully contact the residual liquid on the inner wall of the pipe, removing the cleaning liquid from the inner wall of the pipe through mechanical purging and accelerated evaporation. This design allows the cleaning and drying process to be carried out continuously without moving the turbine pipeline, thereby improving the convenience and efficiency of operation.

[0031] Please refer to the following: Figure 2 In an embodiment of the present invention, the support member 4 includes a support rod 42 and a support plate 41. The support rod 42 is installed on the base 1, and the support plate 41 is installed on the top of the support rod 42. The support plate 41 is arc-shaped and is used to support the turbine pipeline.

[0032] The support plate 41 is arc-shaped to better fit the shape of the turbine pipeline, providing more stable support and effectively distributing the weight of the pipeline to avoid localized stress concentration. This arc shape can be preset according to the common outer diameter of the turbine pipeline, forming a groove-like arc surface. This arc surface can be a single circular arc or a composite curve to accommodate pipelines of different diameters. To further protect the surface of the turbine pipeline, the surface of the arc-shaped support plate 41 can be polished or covered with a soft material, such as a rubber pad or polyurethane pad, to reduce wear on the pipeline surface.

[0033] Furthermore, the number of support rods 42 is at least two, each of the support rods 42 is installed on the base 1 along the first direction, and each of the support rods 42 gradually increases in height, so as to tilt the turbine pipes.

[0034] Multiple support rods 42 can distribute the weight of the pipeline, preventing deformation or swaying. Especially for long turbine pipelines, the gradual change in height of the support rods 42 places the turbine pipeline on a plane with a certain angle of inclination. This inclined placement facilitates the flow and discharge of cleaning fluid within the pipeline's inner wall, ensuring that the cleaning fluid fully covers the inner wall and effectively removes dirt and impurities generated during the cleaning process. Simultaneously, the inclined placement also helps the cleaning fluid to drain more thoroughly from the pipeline after cleaning, reducing residue.

[0035] The number of the support rods 42 can be set to three, and they are arranged at equal intervals along the length direction of the base 1. For example, the height of the first support rod 42 is H1, the height of the second support rod 42 is H2, and the height of the third support rod 42 is H3, and H1 < H2 < H3, so as to form an inclined support surface from low to high. An arc-shaped support plate 41 is installed at the top end of each support rod 42 for firmly supporting the steam turbine pipeline. When the steam turbine pipeline is placed on these three supports 4, its overall will present the same inclined angle as the support surface. This inclined angle can be preset according to factors such as the length of the steam turbine pipeline, the viscosity of the cleaning liquid, and the required drainage efficiency. For example, the inclined angle can be precisely controlled by adjusting the length of the support rod 42 or setting a cushion block at the bottom of the support rod 42.

[0036] Furthermore, a plurality of balls 43 are installed inside the support plate 41 in a rolling manner for assisting the rotation of the steam turbine pipeline.

[0037] By installing a plurality of balls 43 inside the support plate 41 in a rolling manner, the original sliding friction between the steam turbine pipeline and the support plate 41 is changed into rolling friction. When the steam turbine pipeline is placed on the support plate 41 provided with the balls 43, the weight of the pipeline no longer directly acts on the arc surface of the support plate 41, but is transmitted through the balls 43. The balls 43 roll freely in the rolling grooves or cavities inside the support plate 41, thereby greatly reducing the force required for the pipeline to rotate. This design enables the steam turbine pipeline to rotate smoothly and smoothly with a smaller external force, thus overcoming the technical problem that the pipeline is difficult to rotate due to its own weight and friction. In this way, the cleaning personnel or the automated equipment can more conveniently adjust the posture of the steam turbine pipeline, ensuring that the cleaning liquid can fully contact every area of the inner wall of the pipeline, and improving the uniformity and thoroughness of the cleaning.

[0038] Please refer to Figure 4 further, a connecting rod 71 is provided on the support plate 41, a top plate 72 is installed at the top of the connecting rod 71, a second driver 73 is installed on the top plate 72, the second driver 73 is drivingly connected with a knocking plate 74, and a plurality of knocking hammers 75 are installed on the knocking plate 74 for hitting the steam turbine pipeline to break the lumps inside the steam turbine pipeline.

[0039] A striking mechanism is added to the support plate 41 of the aforementioned support member 4 to physically assist in removing stubborn clumps inside the turbine pipes. Specifically, a connecting rod 71 is securely mounted on the support plate 41, extending upwards to support the top plate 72. A second actuator 73 is mounted on the top plate 72, with its power output end connected to the striking plate 74. When the second actuator 73 is activated, it drives the striking plate 74 to generate periodic motion, such as reciprocating motion or high-frequency vibration. Since multiple striking hammers 75 are mounted on the striking plate 74, these hammers 75 move synchronously with the movement of the striking plate 74 and periodically strike the outer wall of the turbine pipes placed on the support plate 41. The shock waves and vibrations generated by this mechanical impact can be effectively transmitted to the inner wall of the turbine pipes, thereby loosening, crushing, or peeling off the hard clumps attached to the inner wall. Through this physical crushing action, even stubborn clumps that are difficult to dissolve with pickling solution can be effectively removed. Subsequently, these crushed clumps can be discharged with the pickling solution, greatly improving the thoroughness and efficiency of cleaning. The striking mechanism works in conjunction with the pickling structure 3. The pickling solution softens the clumps, while the striking mechanism physically breaks them up. The combination of the two makes the cleaning process more comprehensive and efficient.

[0040] Furthermore, the impact hammer is equipped with a buffer pad for direct impact on the turbine pipes.

[0041] A buffer pad is a layer of elastic and / or flexible material whose main function is to absorb and disperse impact energy when the impact hammer comes into contact with the turbine pipeline, thereby reducing the impact force on the pipeline surface and preventing or mitigating pipeline damage. The buffer pad can be made of rubber materials, such as nitrile rubber, silicone rubber, or polyurethane rubber, which have good elasticity and wear resistance, effectively absorbing impact energy. Alternatively, the buffer pad can be made of high-molecular polymer materials, such as polyethylene or polypropylene, further enhancing its buffering performance by forming a microporous structure within the material. This configuration clearly defines the position and function of the buffer pad during the impact process: the buffer pad is the direct contact medium between the impact hammer and the turbine pipeline. It ensures that the impact force is transmitted through the buffer pad, rather than the non-metallic impact hammer acting directly on the pipeline, thus protecting the pipeline. The buffer pad can be firmly fixed to the impact surface of the impact hammer 75, for example, through bonding, riveting, or bolting, ensuring that it will not detach or shift during high-speed impacts.

[0042] Please refer to the following: Figure 5 To ensure uniform cleaning effect and avoid problems such as insufficient cleaning or cleaning fluid retention in some areas, which may affect cleaning quality and efficiency, in the technical solution of the present invention, two mounting plates 10 are provided on the base 1, and a rotating rod 13 is rotatably installed between the opposite sides of the two mounting plates 10. A roller 14 is installed on the outer side of the rotating rod 13, and the roller 14 is used to drive the turbine pipeline to rotate.

[0043] Two mounting plates 10 provide stable support for the subsequent transmission mechanism. A rotating rod 13 is rotatably mounted between the two mounting plates 10 on opposite sides, serving as a rotation axis to ensure stable operation of the rotation mechanism. A roller 14 is further mounted on the outside of the rotating rod 13. When the roller 14 is driven to rotate, the rotational motion of the roller 14 is transmitted to the turbine pipe due to the friction between it and the turbine pipe placed above or on it, thereby causing the turbine pipe to rotate around its own axis. In this way, the turbine pipe is no longer stationary during the cleaning process but continuously rotates. This rotation allows the cleaning fluid sprayed from the nozzles 33 in the pickling structure 3 to more evenly cover the entire inner wall of the turbine pipe, avoiding insufficient or excessive cleaning in certain areas. Simultaneously, the rotation of the pipe also facilitates the flow and discharge of the cleaning fluid within the pipe, ensuring that the waste liquid after cleaning flows more thoroughly into the collection tank in the collection structure 5, thereby significantly improving the uniformity, thoroughness, and efficiency of the cleaning.

[0044] Furthermore, the roller 14 is provided with a plurality of rubber protrusions.

[0045] Rubber materials possess excellent elasticity, wear resistance, and a high coefficient of friction, effectively increasing the contact friction between the rubber and turbine pipes. These protrusions can take various shapes, such as cylindrical, conical, strip-shaped, or irregular, and their arrangement can be uniform, spiral, or in a specific pattern to adapt to different pipe sizes and surface conditions. Their main function is to increase the contact area and friction between the roller 14 and the turbine pipes, preventing slippage during rotation and ensuring that the pipes can be driven to rotate stably and reliably.

[0046] Furthermore, the base 1 is provided with a mounting seat 8, the mounting seat 8 is provided with a third driver 9, the output shaft of the third driver 9 and the rotating rod 13 are both equipped with drive wheels 11, and belts 12 are sleeved on the two drive wheels 11 for driving the roller 14 to rotate.

[0047] A mounting base 8 is provided on the base 1 to provide a stable mounting foundation for the third drive 9. The third drive 9 drives a drive wheel 11 to rotate via its output shaft. Simultaneously, another drive wheel 11 is mounted on the rotating rod 13. These two drive wheels 11 are connected by a belt 12, forming a belt 12 transmission system. When the third drive 9 is working, the drive wheel 11 on its output shaft rotates, transmitting rotational power to the drive wheel 11 on the rotating rod 13 via the belt 12, thereby driving the rotating rod 13 to rotate. Since the roller 14 is mounted on the outside of the rotating rod 13, the rotation of the rotating rod 13 drives the roller 14 to rotate synchronously, thus enabling the turbine pipes placed on the roller 14 to achieve stable and controllable rotation. This driving method effectively avoids the impact and instability that may result from direct drive, ensuring that the turbine pipes rotate evenly and smoothly during the cleaning process, thereby guaranteeing the cleaning effect.

[0048] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made under the concept of the present invention using the contents of the present invention specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A cleaning device for steam turbine pipelines, used for cleaning steam turbine pipelines, characterized in that, The utility model relates to a steam turbine pipeline cleaning device, including: a base; a plurality of supports installed on the base and arranged in sequence along a first direction for placing steam turbine pipelines; a sealing structure including a first driver and a sealing plate, the first driver being installed on the base and arranged corresponding to a pipe opening of one of the steam turbine pipelines, the sealing plate being sealingly connected to the first driver for sealing the pipe opening of the steam turbine pipeline; an acid washing structure including a storage tank, a liquid pump, a spray head, and a stirring device, the storage tank being installed on the base, the stirring device being installed in the storage tank for mixing cleaning liquid, the spray head being installed on the sealing plate for cleaning the inner wall of the steam turbine pipeline, the liquid inlet of the liquid pump being in communication with the storage tank, the liquid outlet of the liquid pump being connected to the sealing plate and in communication with the spray head for acid washing the wall of the steam turbine pipeline; and a collection structure including a collection tank and a discharge elbow, the discharge elbow being arranged on the collection tank and used for connecting the pipe opening of the steam turbine pipeline to discharge the cleaning liquid. A fan is arranged on the storage tank, and an air pipe is arranged on the sealing plate, the air pipe being arranged on the wall of the steam turbine pipeline, the fan being connected to the air pipe for air drying the wall of the steam turbine pipeline.

2. The steam turbine piping cleaning device of claim 1, wherein, The support includes a support rod and a supporting plate, the support rod being installed on the base, and the supporting plate being installed on the top end of the support rod, the supporting plate being arranged in an arc shape for lifting the steam turbine pipeline.

3. The turbine duct cleaning device of claim 1, wherein, The number of the support rods is at least two, each of the support rods being installed on the base along the first direction and gradually increasing in height for placing the steam turbine pipeline at an angle.

4. The steam turbine piping cleaning apparatus of claim 3, wherein, A plurality of rolling balls are installed in the supporting plate for assisting the rotation of the steam turbine pipeline.

5. The steam turbine piping cleaning apparatus of claim 3, wherein A connecting rod is arranged on the supporting plate, a top plate being installed on the top of the connecting rod, a second driver being installed on the top plate, a knocking plate being drivenly connected to the second driver, and a plurality of knocking hammers being installed on the knocking plate for knocking the steam turbine pipeline to shake off the agglomerates in the steam turbine pipeline.

6. The steam turbine piping cleaning apparatus of claim 3, wherein, A buffer pad is arranged on the knocking hammer for directly knocking the steam turbine pipeline.

7. The steam turbine piping cleaning apparatus of claim 6, wherein, Two mounting plates are arranged on the base, a rotating rod being rotatably installed between the opposite sides of the two mounting plates, a roller being installed on the outer side of the rotating rod, and the roller being used for driving the rotation of the steam turbine pipeline.

8. The turbine duct cleaning device of claim 1, wherein, A plurality of rubber protrusions are arranged on the roller.

9. The steam turbine piping cleaning apparatus of claim 8, wherein, A mounting seat is arranged on the base, a third driver being arranged on the mounting seat, a driving wheel being installed on the output shaft of the third driver and the rotating rod, and a belt being sleeved on the two driving wheels for driving the rotation of the roller.

10. The steam turbine piping cleaning apparatus of claim 8, wherein, ​

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