A turbine cleaning system

Abstract

This invention belongs to the field of cleaning technology, specifically disclosing a turbine cleaning system, including an air supply device, a flushing device, and a discharge device. The air supply device supplies air to the flushing device, which flushes the volute and air inlet, with a gap between the flushing device and the impeller. The discharge device discharges the flushing gas from the volute and air inlet box. The flushing device includes an air inlet flushing unit and a volute flushing unit. The air inlet flushing unit flushes from the impeller inlet direction, and the volute flushing unit flushes from the impeller outlet direction. This system ensures that adhering substances on the impeller are removed during normal operation without affecting the normal operation of the system, saving maintenance time and costs, and improving the reliability and stability of equipment operation.

Description

Technical Field

[0001] This invention belongs to the field of cleaning technology, and in particular relates to a turbine mechanical cleaning system. Background Technology

[0002] Centrifugal fans, as a type of turbine machinery, are widely used in industries such as cement, steel, petrochemicals, and metallurgy to transport gases. They are machines that convert the mechanical energy of a prime mover into the energy of a gas. The gases transported include clean air, flue gas containing a small amount of dust, flue gas containing a large amount of dust, and mixed gases containing a large amount of dust and moisture.

[0003] Centrifugal fans, used for conveying flue gas containing large amounts of dust and mixed gases containing large amounts of dust and moisture, experience dust accumulation on their impellers during operation. Uneven distribution of this dust can cause the impeller to gradually lose balance, leading to increased fan vibration, sometimes even severe vibration. In such cases, it is necessary to stop the fan for maintenance and remove the dust from the impeller; otherwise, excessive vibration could damage the equipment. However, in factory piping systems, centrifugal fans are crucial gas conveying equipment and cannot be shut down arbitrarily. Stopping them for maintenance would disrupt the entire system's operation. Summary of the Invention

[0004] The purpose of this invention is to provide a turbine cleaning system that can remove adhering substances from the impeller during normal operation of the equipment without affecting the normal operation of the system, saving maintenance time and costs, and improving the reliability and stability of equipment operation.

[0005] To achieve the above objectives, the technical solution of the present invention is as follows: a turbine mechanical cleaning system, comprising an air supply device, a flushing device, and a discharge device. The air supply device supplies air to the flushing device, which flushes the volute and the air inlet, and a gap is left between the flushing device and the impeller. The discharge device discharges the flushing gas from the volute and the air inlet box. The flushing device includes an air inlet flushing unit and a volute flushing unit. The air inlet flushing unit flushes from the impeller inlet direction and includes a first air inlet pipe, an inlet nozzle, and a support assembly. A support assembly is installed on a guide vane inside the air intake box. The support assembly supports the first air intake pipe and the inlet nozzle. The two sides of the first air intake pipe are respectively connected to the inlet nozzle and the first delivery pipe of the air supply device. The first air intake pipe and the inlet nozzle are located inside the air intake box. The volute flushing unit is used to flush from the outlet direction of the impeller. The volute flushing unit includes a second air intake pipe and a flushing nozzle. The two sides of the second air intake pipe are respectively connected to the flushing nozzle and the second delivery pipe of the air supply device. The second air intake pipe is installed on the volute. The flushing nozzle is inserted into the volute.

[0006] Furthermore, the discharge device includes an air intake box discharge unit and a volute discharge unit. The air intake box discharge unit is connected to the bottom of the air intake box, and the volute discharge unit is connected to the bottom of the volute. Both the air intake box discharge unit and the volute discharge unit include a drain pipe and a drain valve. The two sides of the drain pipe are respectively connected to the drain valve and the bottom of the volute or the bottom of the air intake box.

[0007] Furthermore, the first air intake pipe includes a first flushing flange, a first connecting pipe, a first connecting block, a second connecting pipe, and a union joint arranged in sequence. One side of the first connecting pipe is connected to the first flushing flange, and one end of the first conveying pipe is fixed with the second flushing flange. The first flushing flange and the second flushing flange are fixed together. The two sides of the first connecting block are detachably connected to the first connecting pipe and the second connecting pipe, respectively. The two sides of the union joint are detachably connected to the second connecting pipe and the inlet nozzle, respectively.

[0008] Furthermore, the support assembly includes a support plate, a pad plate, and a surrounding plate. The surrounding plate has an arc-shaped protrusion in the middle, which matches the shape of the inlet nozzle. The lower sides of the surrounding plate and the inlet nozzle are located on the pad plate, and the surrounding plate is connected to the pad plate. The two sides of the support plate are respectively connected to the pad plate and the flow guide.

[0009] Furthermore, the second intake pipe includes a third flushing flange, a third connecting pipe, and a second connecting block. One side of the third connecting pipe is connected to the third flushing flange, and one end of the second delivery pipe is fixed with a fourth flushing flange. The third flushing flange is fixed to the fourth flushing flange. The two sides of the second connecting block are detachably connected to the third connecting pipe and the flushing nozzle, respectively, and the second connecting block is fixed to the volute.

[0010] Furthermore, a first drain flange is fixed to one side of the drain pipe, and a second drain flange is fixed to one side of the drain valve; the first drain flange and the second drain flange are fixed together.

[0011] Furthermore, both the inlet nozzle and the flushing nozzle have a strip-shaped outlet structure.

[0012] Furthermore, the detachable connection is a threaded connection.

[0013] Furthermore, the bottom of the volute is provided with a sunken cavity, and the sewage pipe of the volute discharge unit is connected to the sunken cavity.

[0014] Furthermore, the volute flushing unit is provided in two sets, with the two sets of volute flushing units located on both sides of the volute respectively.

[0015] The working principle and beneficial effects of this technical solution are as follows: Due to the certain gap between the flushing device and the impeller, flushing operations can be performed even during equipment operation. When the impeller needs flushing, all valves in the entire cleaning system are opened, and gas enters the flushing device through the air supply device to flush the impeller. The inlet flushing unit flushes from the impeller inlet direction, and the volute flushing unit flushes from two angles towards the outlet direction of the rotating impeller, thereby achieving comprehensive cleaning of the impeller. Adhesives and exhaust gas flushed off the impeller are discharged from the equipment through the exhaust device. The inlet box exhaust unit discharges exhaust gas and contaminants generated in the inlet box, and the volute exhaust unit discharges exhaust gas and contaminants generated in the volute. Since the volute outlet is horizontal, a sunken cavity is set at the bottom to facilitate the collection of surrounding exhaust gas and contaminants for smooth discharge, ensuring smooth airflow in the system. This technical solution has advantages such as completeness, stability, flexibility, and high efficiency. Using it ensures that adhesives on the impeller are removed during normal equipment operation without affecting the normal operation of the system, saving maintenance time and costs, and improving the reliability and stability of equipment operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the connection structure between the impeller and the air supply device of a turbine mechanical cleaning system according to the present invention;

[0017] Figure 2 This is a schematic diagram of the connection structure between the air intake box and the air supply device of a turbine mechanical cleaning system according to the present invention;

[0018] Figure 3 for Figure 2 Schematic diagram of the middle air inlet flushing unit;

[0019] Figure 4 for Figure 3 A schematic diagram of the inlet nozzle in direction A;

[0020] Figure 5 for Figure 2 Sectional view of BB;

[0021] Figure 6 for Figure 1 A schematic diagram of the structure of the right-side volute flushing unit;

[0022] Figure 7 for Figure 1 A schematic diagram of the structure of the left-side volute flushing unit;

[0023] Figure 8 for Figure 2 Schematic diagram of the structure of the central intake box exhaust unit;

[0024] Figure 9 for Figure 1 A schematic diagram of the structure of the middle volute excretion unit. Detailed Implementation

[0025] The following detailed description illustrates the specific implementation method:

[0026] The reference numerals in the accompanying drawings include: 1. Gas storage tank; 2. Inlet pipe; 3. Outlet pipe; 4. Volute; 5. Inlet box; 6. Volute flushing unit; 7. Volute discharge unit; 8. Sinking cavity; 9. Inlet box discharge unit; 10. Inlet flushing unit; 11. Flow guide; 12. Impeller; 13. First conveying pipe; 14. Second conveying pipe; 15. First flushing flange; 16. First connecting pipe; 17. First connecting block; 18. Second connecting pipe; 19. Union joint; 20. Enclosure plate; 21. Gasket plate; 22. Support plate; 23. Inlet nozzle; 24. Fourth flushing flange; 25. Third flushing flange; 26. Third connecting pipe; 27. Second connecting block; 28. Flushing nozzle; 29. ​​Drain pipe; 30. Drain valve; 31. First drain flange; 32. Second drain flange; 33. Strip-shaped structure; 34.

[0027] 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 some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] The basic implementation examples are as follows: Figure 1-9 As shown: A turbine mechanical cleaning system, such as Figure 1 , 2 As shown, it includes an air supply device, a flushing device, and a draining device. The air supply device is used to supply air to the flushing device. The air supply device includes an air inlet pipe 2, an air storage tank 1, and an air outlet pipe 3. The two sides of the air inlet pipe 2 are connected to the air source and the air storage tank 1, respectively. One side of the air outlet pipe 3 is connected to the air storage tank 1, and the other side is connected to the first conveying pipe 13 and the second conveying pipe 14, respectively. A one-way air inlet valve is connected to the air inlet pipe 2, and a one-way air outlet valve is provided on the air outlet pipe 3.

[0029] The flushing device is used to flush the volute 4 and the air inlet, and a gap is left between the flushing device and the impeller 12; the flushing device includes an air inlet flushing unit 10 and a volute flushing unit 6, and the air inlet flushing unit 10 is used to flush from the inlet direction of the impeller 12. Figure 3 As shown, the air inlet flushing unit 10 includes a first air inlet pipe, an inlet nozzle 24, and a support assembly. The support assembly is mounted on the guide vane 11 inside the air inlet box 5 and is used to support the first air inlet pipe and the inlet nozzle 24. Figure 3 , 5 As shown, the support assembly includes a support plate 23, a pad plate 22, and a surrounding plate 21. The surrounding plate 21 has an arc-shaped protrusion in the middle, which matches the shape of the inlet nozzle 24. The lower sides of the surrounding plate 21 and the inlet nozzle 24 are located on the pad plate 22, and the surrounding plate 21 and the pad plate 22 are connected by bolts and nuts. The two sides of the support plate 23 are connected to the pad plate 22 and the flow guide 11, respectively. The two sides of the first air intake pipe are connected to the inlet nozzle 24 and the first delivery pipe 13 of the air supply device, respectively; the first air intake pipe and the inlet nozzle 24 are located inside the air intake box 5. Specifically, the first air intake pipe includes a first flushing flange 16, a first connecting pipe 17, a first connecting block 18, a second connecting pipe 19, and a union 20 arranged sequentially. One side of the first connecting pipe 17 is welded to the first flushing flange 16, and one end of the first delivery pipe 13 is welded and fixed to a second flushing flange 15. The first flushing flange 16 and the second flushing flange 15 are fixed by bolts and nuts. The two sides of the first connecting block 18 are detachably connected to the first connecting pipe 17 and the second connecting pipe 19, respectively; the two sides of the union 20 are detachably connected to the second connecting pipe 19 and the inlet nozzle 24, respectively. Specifically, one end of the first connecting pipe 17 is provided with an external thread, both ends of the second connecting pipe 19 are provided with external threads, one end of the inlet nozzle 24 is provided with an external thread, both sides of the first connecting block 18 are provided with internal threads, both sides of the union 20 are provided with internal threads, the internal threads on both sides of the first connecting block 18 are threadedly connected to the external threads of the first connecting pipe 17 and the second connecting pipe 19, respectively, and the internal threads on both sides of the union 20 are threadedly connected to the external threads of the second connecting pipe 19 and the inlet nozzle 24, respectively.

[0030] like Figure 1 ,6 7. Two sets of volute flushing units 6 are provided, located on both sides of the volute 4. These two sets of volute flushing units 6 are used to flush the impeller 12 from two angles towards the outlet. Each volute flushing unit 6 includes a second air inlet pipe and a flushing nozzle 29. The two sides of the second air inlet pipe are connected to the flushing nozzle 29 and the second conveying pipe 14 of the air supply device, respectively. The second air inlet pipe is installed on the volute 4. The flushing nozzle 29 is inserted into the volute 4. The second air inlet pipe includes a third flushing flange 26, a third connecting pipe 27, and a second connecting block 28. One side of the third connecting pipe 27 is welded to the third flushing flange 26. One end of the second conveying pipe 14 is welded and fixed to a fourth flushing flange 25. The third flushing flange 26 and the fourth flushing flange 25 are fixed together by bolts and nuts. The two sides of the second connecting block 28 are detachably connected to the third connecting pipe 27 and the flushing nozzle 29, respectively. The second connecting block 28 is fixed to the volute 4 (the volute 4 has a through hole, and the second connecting block 28 is sealed and fixed within the through hole). The second connecting block 28 has internal threads on both sides, the third connecting pipe 27 has external threads on one side, and the flushing nozzle 29 has external threads on one side. The internal threads on both sides of the second connecting block 28 are threadedly connected to the external threads of the third connecting pipe 27 and the flushing nozzle 29, respectively.

[0031] like Figure 1 , 2 As shown, the discharge device is used to discharge the flushing gas in the volute 4 and the intake box 5; the discharge device includes an intake box discharge unit 9 and a volute discharge unit 7, the intake box discharge unit 9 being connected to the bottom of the intake box 5, and the volute discharge unit 7 being connected to the bottom of the volute 4. Figure 8 , 9 As shown, both the intake box drain unit 9 and the volute drain unit 7 include a drain pipe 30 and a drain valve 31. The two sides of the drain pipe 30 are connected to the drain valve 31 and the bottom of the volute 4 or the bottom of the intake box 5, respectively. A first drain flange 32 is welded and fixed to one side of the drain pipe 30, and a second drain flange 33 is welded and fixed to one side of the drain valve 31. The first drain flange 32 and the second drain flange 33 are fixed with bolts and nuts. A recessed cavity 8 is provided at the bottom of the volute 4. The drain pipe 30 of the volute drain unit 7 is connected to the recessed cavity 8, and the drain pipe 30 of the volute drain unit 7 is a bent pipe.

[0032] like Figure 4 , 6 As shown in Figures 7 and 8, the outlet ends of both the inlet nozzle 24 and the flushing nozzle 29 are strip-shaped structures 34.

[0033] The specific implementation process is as follows:

[0034] Because there is a certain gap between the flushing device and the impeller 12, the equipment can also perform flushing operations during operation. When the impeller 12 needs to be flushed, all valves in the entire cleaning system are opened, and gas enters the flushing device through the air supply device to flush the impeller 12. The air inlet flushing unit 10 flushes from the inlet direction of the impeller 12, and the volute flushing unit 6 flushes from two angles towards the outlet direction of the rotating impeller 12, thereby achieving comprehensive cleaning of the impeller 12. The adhering substances and exhaust gas flushed off the impeller 12 are discharged from the equipment through the discharge device. The air inlet box discharge unit 9 discharges the exhaust gas and dirt generated in the air inlet box 5, and the volute discharge unit 7 discharges the exhaust gas and dirt generated in the volute 4. Since the outlet of the volute 4 is horizontal, a sunken cavity 8 is set at the bottom to facilitate the collection of surrounding exhaust gas and dirt for smooth discharge, ensuring smooth airflow in the system. This technical solution has advantages such as completeness, stability, flexibility, and high efficiency. Using it can ensure that the adhering substances on the impeller 12 are removed during normal operation of the equipment without affecting the normal operation of the system, saving maintenance time and costs, and improving the reliability and stability of equipment operation.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] The above descriptions are merely embodiments of the present invention. Commonly known structures and characteristics are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field prior to the application date or priority date, are aware of all existing technologies in that field, and have the ability to apply conventional experimental methods prior to that date. Those skilled in the art can, under the guidance of this application, improve and implement this solution in combination with their own capabilities. Some typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of the present invention. These should also be considered within the scope of protection of the present invention, and will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A turbomachinery cleaning system, characterized by: The utility model provides a kind of air supply device, flushing device and discharge device for gas supply, flushing device is used to flush volute (4) and intake port, and the flushing device is left gap between impeller (12);The discharge device is used to discharge flushing gas in volute (4) and intake tank (5);The flushing device includes intake port flushing unit (10) and volute flushing unit (6), the intake port flushing unit (10) is used to flush from the direction of impeller (12) entrance, the intake port flushing unit (10) includes first intake pipeline, inlet nozzle (24) and support assembly, the support assembly is installed on fairwater (11) in intake tank (5), and the support assembly is used to support first intake pipeline and inlet nozzle (24);The two sides of the first intake pipeline are connected with inlet nozzle (24) and the first conveying pipeline (13) of air supply device respectively;The first intake pipeline and inlet nozzle (24) are located in intake tank (5);The volute flushing unit (6) is used to flush from the direction of impeller (12) outlet, and the volute flushing unit (6) includes second intake pipeline and flushing nozzle (29), the two sides of the second intake pipeline are connected with flushing nozzle (29) and the second conveying pipeline (14) of air supply device respectively, and the second intake pipeline is installed on volute (4);The flushing nozzle (29) is inserted into volute (4); The support assembly includes support plate (23), backing plate (22) and fence (21), the middle of the fence (21) is equipped with arc convex, the arc convex is matched with the shape of inlet nozzle (24), the lower side of the fence (21) and inlet nozzle (24) is located on backing plate (22), and the fence (21) is connected with backing plate (22);The two sides of the support plate (23) are connected with backing plate (22) and fairwater (11) respectively; The second intake pipeline includes third flushing flange (26), third connecting pipe (27) and second connecting block (28), one side of the third connecting pipe (27) is connected with third flushing flange (26), one end of the second conveying pipeline (14) is fixed with fourth flushing flange (25), and the third flushing flange (26) is fixed with fourth flushing flange (25);The two sides of the second connecting block (28) are detachably connected with third connecting pipe (27) and flushing nozzle (29), and the second connecting block (28) is fixed with volute (4).

2. A turbomachinery cleaning system according to claim 1, wherein: The discharge device includes intake tank discharge unit (9) and volute discharge unit (7), the intake tank discharge unit (9) is connected with the bottom of intake tank (5), and the volute discharge unit (7) is connected with the bottom of volute (4);The intake tank discharge unit (9) and volute discharge unit (7) all include blowdown pipe (30) and blowdown valve (31), and the two sides of the blowdown pipe (30) are connected with blowdown valve (31) and the bottom of volute (4) or the bottom of intake tank (5) respectively.

3. A turbomachinery cleaning system according to claim 1, wherein: The first air inlet pipeline comprises a first flushing flange (16), a first connecting pipe (17), a first connecting block (18), a second connecting pipe (19) and a movable joint (20) arranged in sequence, one side of the first connecting pipe (17) is connected with the first flushing flange (16), one end of the first conveying pipeline (13) is fixed with a second flushing flange (15), the first flushing flange (16) and the second flushing flange (15) are fixed, two sides of the first connecting block (18) are respectively detachably connected with the first connecting pipe (17) and the second connecting pipe (19), and two sides of the movable joint (20) are respectively detachably connected with the second connecting pipe (19) and an inlet nozzle (24).

4. A turbomachinery cleaning system according to claim 2, wherein: One side of the blowdown pipe (30) is fixed with a first blowdown flange (32), one side of the blowdown valve (31) is fixed with a second blowdown flange (33), and the first blowdown flange (32) and the second blowdown flange (33) are fixed.

5. A turbomachinery cleaning system according to claim 1, wherein: The outlet end of the inlet nozzle (24) and the flushing nozzle (29) is a strip-shaped port structure (34).

6. A turbomachinery cleaning system according to claim 1 or 3, wherein: The detachable connection adopts threaded connection.

7. A turbomachinery cleaning system according to claim 2, wherein: The bottom of the volute (4) is provided with a sunken cavity (8), and the blowdown pipe (30) of the volute discharge unit (7) is connected with the sunken cavity (8).

8. A turbomachinery cleaning system according to claim 1, wherein: The volute flushing unit (6) is provided with two groups, and the two groups of volute flushing units (6) are respectively located on the two sides of the volute (4). The bottom of the volute (4) is provided with a sunken cavity (8), and the blowdown pipe (30) of the volute discharge unit (7) is connected with the sunken cavity (8). The volute flushing unit (6) is provided with two groups, and the two groups of volute flushing units (6) are respectively located on the two sides of the volute (4).

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