Cleaning device for steam turbine rotor

Abstract

The cleaning device comprises a mounting plate, a filtering mechanism, a cleaning frame and a water tank, and the filtering mechanism is arranged at the top end of the mounting plate; the cleaning frame is arranged at the top end of the filtering mechanism, a cleaning adjusting part is arranged at the top of the cleaning frame, and a clamping part is arranged at the bottom of the cleaning frame; the water tank is arranged at the top end of the mounting plate and located on the side close to the back face. A water pumping piece is arranged between the top of the water tank and the cleaning adjusting piece. The air cylinder drives the conveying pipe to move, the conveying pipe moves downwards or upwards through the spraying pipe and the high-pressure spraying head, the height of the cleaning adjusting piece is conveniently adjusted according to the position of the rotor, the rotor is more conveniently cleaned, the cleaning effect of the rotor is improved, sewage obtained after cleaning enters the filtering box through the flow guiding opening, and the filtering effect is improved. A fiber ball filter plate and a reverse osmosis filter plate in the filter tank are used for filtering the wastewater, and the filtered water is communicated with a municipal pipeline through a liquid discharge pipe and is directly discharged.

Description

Technical Field

[0001] The invention relates to the field of steam turbine rotor cleaning devices, in particular to a steam turbine rotor cleaning device. Background Art

[0002] A steam turbine, also known as a steam turbine engine, is a rotary steam-powered device. High-temperature, high-pressure steam passes through a fixed nozzle, becoming an accelerated airflow that is then ejected onto blades, rotating the bladed rotor and performing external work. Steam turbines are a staple of modern thermal power plants and are also used in the metallurgical and chemical industries, as well as in ship propulsion systems. They consist of rotating components such as the main shaft, impeller or drum, moving blades, and couplings. The turbine rotor requires cleaning after production, which requires the use of a cleaning device.

[0003] At present, the existing cleaning device for steam turbine rotors places the steam turbine rotor to be cleaned on the surface of the cleaning table when cleaning the steam turbine rotor, and then uses a pumping device to pump water to the top of the cleaning table, and sprays and cleans it through a spray pipe. In this cleaning form, since the device does not have a filtering function, the collected cleaning wastewater cannot be processed in time, which makes it impossible to reuse it and causes pollution. In addition, the existing cleaning device cannot clamp the rotor and adjust the cleaning distance according to the size of the rotor when cleaning the steam turbine rotor, which is inconvenient to clean the rotor and may seriously affect the cleaning effect of the rotor. In view of this, this solution proposes a cleaning device for steam turbine rotors to solve the above problems. Summary of the Invention

[0004] The object of the present invention is to provide a cleaning device for a steam turbine rotor to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a cleaning device for a steam turbine rotor, comprising: Mounting plate; A filter mechanism, the filter mechanism being disposed on the top of the mounting plate and being used to collect and filter the cleaning wastewater; A cleaning frame is provided at the top of the filter mechanism. A cleaning adjustment member is provided on the top of the cleaning frame for spraying water toward the top of the filter mechanism. A clamping member is provided at the bottom of the cleaning frame for clamping the turbine rotor to be cleaned. A water tank is arranged at the top of the mounting plate and is located near the side of the back. A pumping member is provided between the top of the water tank and the cleaning adjustment member. The pumping member is used to pump water from the water tank to the cleaning adjustment member.

[0006] Preferably, the filtering mechanism comprises: A filter box, the bottom end of which is fixedly connected to the top end of the mounting plate and located near the front side, and a discharge pipe is provided on one side of the filter box; The filter element is arranged inside the filter box and located near one end of the discharge pipe. The filter element is used for filtering clean waste water.

[0007] Preferably, a guide port is provided at the top of the filter box, and the guide port is used to allow clean wastewater to fall into the filter box. A guide plate is provided in the filter box, and the guide plate is inclined, and the lowest end of the guide plate is close to the filter element. A sealed inspection door is provided at one end of the filter box close to the filter element.

[0008] Preferably, the filter element comprises: A fiber ball filter plate, the fiber ball filter plate is fixedly connected to the filter box and is arranged close to the lowest end of the guide plate; The reverse osmosis filter plate is fixedly connected between the inner wall of the filter box and the opposite side of the fiber ball filter plate, and the reverse osmosis filter plate is arranged close to the discharge pipe.

[0009] Preferably, the cleaning adjustment member includes: A cylinder, wherein the cylinder is arranged at the top of the cleaning frame, and the output end of the cylinder is arranged downward and passes through the top of the cleaning frame; The delivery pipe is slidably inserted and connected between the two top walls of the cleaning frame, the top end of the delivery pipe is fixedly connected to the output end of the cylinder, and the liquid inlet end of the delivery pipe is through-connected to the liquid discharge end of the pumping member.

[0010] Preferably, the cleaning and adjusting member further comprises: Spray pipes, wherein a plurality of the spray pipes are respectively connected to the discharge end of the delivery pipe; High-pressure nozzles, a plurality of said high-pressure nozzles are respectively installed on one end of a plurality of spray pipes away from the delivery pipe.

[0011] Preferably, guide grooves are provided on the inner walls of both sides of the cleaning frame, and guide blocks are fixedly connected to both sides of the delivery pipe. The end of the guide block away from the delivery pipe is slidably connected to the inner wall of the guide groove.

[0012] Preferably, the pumping member includes: A liquid suction pump, the liquid suction pump is arranged at the top of the water tank; A water suction pipe, one end of which is connected to the liquid inlet end of the liquid suction pump, and the other end of which is connected to the water tank; An elastic hose, one end of which is connected to the discharge end of the suction pump, and the other end of which is connected to the top of the delivery pipe.

[0013] Preferably, the clamping member includes: Stable seats, wherein a plurality of the stable seats are respectively fixedly connected to both sides of the bottom of the cleaning frame; Electric push rods, wherein the plurality of electric push rods are respectively arranged at the top ends of the plurality of stable seats, and the plurality of electric push rods are symmetrically arranged along the two walls of the cleaning frame, and the output ends of the electric push rods pass through the inner cavity of the cleaning frame; An arc-shaped seat is fixedly connected to the output end of the electric push rod, and the arc-shaped seat is arranged in the inner cavity of the cleaning frame.

[0014] Preferably, a plurality of mounting seats are provided at the bottom end of the mounting plate, and anti-slip pads are provided at the bottom ends of the plurality of mounting seats.

[0015] Technical effects and advantages of the present invention: (1) The present invention drives the delivery pipe to move by the cylinder, and the delivery pipe moves downward or upward through the spray pipe and the high-pressure nozzle, which is convenient for adjusting the height of the cleaning adjustment part according to the rotor position, making it more convenient to clean the rotor and improving the cleaning effect of the rotor. The suction pump delivers the liquid in the water tank to the delivery pipe through the suction pipe and the elastic hose. The delivery pipe cleans the rotor in the cleaning frame through the spray pipe and the high-pressure nozzle. The sewage after cleaning enters the filter box through the diversion port. The fiber ball filter plate and the reverse osmosis filter plate in the filter box filter the wastewater. The filtered water is connected to the municipal pipeline through the drain pipe and is directly discharged; (2) The present invention stabilizes the mounting plate by providing the mounting seat and the anti-slip pad. The stabilizing seat facilitates the installation and fixation of the electric push rod, and also facilitates the disassembly and maintenance of the electric push rod. The door facilitates the opening of the water tank, making it easier to clean and maintain the water tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front schematic diagram of the structure of the present invention; Figure 2 A top view of the cleaning frame and water tank structure of the present invention; Figure 3 This is a schematic diagram of the right side of the cleaning frame and water tank structure of the present invention; Figure 4 A bottom view of the cleaning frame and cleaning adjustment member structure of the present invention; Figure 5 This is a schematic diagram of the back of the water tank and cleaning frame structure of the present invention; Figure 6 A cross-sectional view of the filter box and filter element structure of the present invention; Figure 7 For the present invention Figure 1 A magnified schematic diagram of the structure at point A.

[0017] In the figure: 1. Mounting plate; 2. Filter box; 201. Guide plate; 3. Cleaning frame; 4. Cleaning adjustment member; 5. Water tank; 6. Filter element; 7. Cylinder; 8. Delivery pipe; 801. Guide block; 9. Spray pipe; 10. High-pressure nozzle; 11. Fiber ball filter plate; 12. Reverse osmosis filter plate; 13. Suction pipe; 14. Suction pump; 15. Elastic hose; 16. Electric push rod; 17. Arc seat; 18. Diversion port; 19. Guide groove; 20. Mounting seat; 2001. Anti-slip pad; 21. Stabilizing seat; 22. Sealed inspection door. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] The present invention provides Figure 1-7 A steam turbine rotor cleaning device is shown, comprising: The mounting plate 1 has a plurality of mounting seats 20 at its bottom end, and the bottom ends of the plurality of mounting seats 20 are all provided with anti-slip pads 2001; The filter mechanism is arranged at the top of the mounting plate 1 and is used to collect and filter the cleaning wastewater; Specifically, the filtering mechanism includes: The filter box 2 has its bottom end fixedly connected to the top of the mounting plate 1 and located near the front side. A discharge pipe is provided on one side of the filter box 2, through which the water in the filter box 2 can be discharged. When performing the discharge control, a control valve needs to be provided at the discharge pipe to facilitate the discharge control. The filter element 6 is arranged inside the filter box 2 and is located near one end of the discharge pipe. The filter element 6 is used to filter clean waste water.

[0020] Furthermore, a guide port 18 is provided at the top of the filter box 2, and the guide port 18 is used to allow clean wastewater to fall into the filter box 2. A guide plate 201 is provided in the filter box 2, and the guide plate 201 is inclined, and the lowest end of the guide plate 201 is close to the filter element 6. A sealed inspection door 22 is provided at one end of the filter box 2 close to the filter element 6.

[0021] It should be noted that the range covered by the guide port 18 cannot be above the space where the filter element 6 is located, so as to avoid the clean wastewater being discharged without being processed by the filter element 6. The setting of the sealed inspection door 22 can not only open the filter box 2 to maintain the filter element 6, but also clean the accumulated debris inside the filter box 2. Under the setting of the guide plate 201, the water entering the filter box 2 will move toward the direction close to the filter element 6.

[0022] Furthermore, the filter element 6 includes: The fiber ball filter plate 11 is fixedly connected to the filter box 2, and the fiber ball filter plate 11 is set close to the lowest end of the guide plate 201; The reverse osmosis filter plate 12 is fixedly connected between the inner wall of the filter box 2 and the opposite side of the fiber ball filter plate 11, and the reverse osmosis filter plate 12 is arranged close to the discharge pipe.

[0023] It should be noted that the structure and function of the fiber ball filter plate 11 include: a support layer, which is a stainless steel filter mesh or a porous filter plate, used to fix the fiber balls and evenly distribute the water flow; a fiber ball layer, which is filled above the support layer to form a dynamic filter layer, removing pollutants through physical interception and adsorption; a water distribution system, which ensures that water flows evenly through the filter medium to avoid deviation or blockage; a backwash system, which regularly backwashes to remove trapped impurities and restore filtration capacity.

[0024] The reverse osmosis filter plate 12 is composed of the following parts: a reverse osmosis membrane, a core component, made of polyamide (PA) and cellulose acetate (CA), and mostly in a roll (spiral winding), flat plate or hollow fiber structure; a guide layer, which supports the membrane and provides a water flow channel to ensure uniform distribution of incoming water; a sealing material, which prevents untreated water from directly penetrating the membrane assembly; and a pressure vessel, which protects the membrane element and withstands the high-pressure environment.

[0025] A cleaning frame 3 is provided at the top of the filter mechanism. A cleaning adjustment member 4 is provided on the top of the cleaning frame 3. The cleaning adjustment member 4 is used to spray water toward the top of the filter mechanism. A clamping member is provided at the bottom of the cleaning frame 3. The clamping member is used to clamp the turbine rotor to be cleaned. The cleaning frame 3 is a rectangular frame structure with an open bottom and front. Specifically, the cleaning adjustment member 4 includes: Cylinder 7, cylinder 7 is arranged at the top of the cleaning frame 3, and the output end of cylinder 7 is downwardly arranged and passes through the top of the cleaning frame 3; The delivery pipe 8 is slidably inserted and connected between the two top walls of the cleaning frame 3 , and the top end of the delivery pipe 8 is fixedly connected to the output end of the cylinder 7 .

[0026] The cleaning adjustment member 4 also includes: Spray pipes 9, multiple spray pipes 9 are respectively connected to the discharge end of the delivery pipe 8; A high-pressure nozzle 10 , wherein a plurality of high-pressure nozzles 10 are respectively installed at one end of a plurality of spray pipes 9 away from the delivery pipe 8 .

[0027] Furthermore, guide grooves 19 are provided on the inner walls on both sides of the cleaning frame 3 , and guide blocks 801 are fixedly connected to both sides of the delivery pipe 8 . The end of the guide block 801 away from the delivery pipe 8 is slidably connected to the inner wall of the guide groove 19 .

[0028] It should be noted that, when the cylinder 7 is started, the cylinder 7 drives the delivery pipe 8 to move, and the delivery pipe 8 drives the guide block 801 to slide in the inner cavity of the guide groove 19, which effectively prevents the delivery pipe 8 from shaking when moving, and increases the stability of the delivery pipe 8 when moving; the number of spray pipes 9 and high-pressure nozzles 10 are several, and several of them are evenly distributed at the lower end of the delivery pipe 8. Through the arrangement of the spray pipes 9 and the high-pressure nozzles 10, a water curtain is formed under the delivery pipe 8 when spraying water, so that the rotor can be flushed more comprehensively.

[0029] Specific clamping parts include: Stable seats 21, multiple stable seats 21 are fixedly connected to both sides of the bottom of the cleaning frame 3; Electric push rods 16, multiple electric push rods 16 are respectively arranged at the top ends of multiple stable seats 21, and multiple electric push rods 16 are symmetrically arranged along the two arms of the cleaning frame 3, and the output ends of the electric push rods 16 pass through the inner cavity of the cleaning frame 3; The arc-shaped seat 17 is fixedly connected to the output end of the electric push rod 16 , and the arc-shaped seat 17 is arranged in the inner cavity of the cleaning frame 3 .

[0030] First, place the rotor to be cleaned on the upper end of the arc seat 17. By setting the electric push rod 16, the position of the arc seat 17 can be adjusted to facilitate the fixing of rotors of different lengths.

[0031] The water tank 5 is arranged at the top of the mounting plate 1 and is located on the side close to the back. A pumping part is provided between the top of the water tank 5 and the cleaning adjustment part 4. The pumping part is used to pump water from the water tank 5 to the cleaning adjustment part 4. The liquid inlet end of the delivery pipe 8 is connected with the liquid discharge end of the pumping part.

[0032] Specifically, the pumping parts include: The liquid suction pump 14 is arranged at the top of the water tank 5; A water suction pipe 13, one end of which is connected to the liquid inlet end of the liquid suction pump 14, and the other end of the water suction pipe 13 is connected to the water tank 5; The elastic hose 15 has one end connected to the discharge end of the suction pump 14 , and the other end connected to the top of the delivery pipe 8 .

[0033] It should be noted that, through the provision of the elastic hose 15, when the vertical position of the delivery pipe 8 changes, the elastic hose 15 can adaptively expand and contract to follow, thereby ensuring the water supply to the delivery pipe 8. In actual operation, the suction pump 14 draws clean water from the water tank 5, and the clean water enters the suction pump 14 through the suction pipe 13, and is then delivered to the delivery pipe 8 through the elastic hose 15, thereby achieving spray cleaning. The cleaned cleaning sewage is collected and filtered by the filter box 2, and can be pumped into the water tank 5 by the pump body for recycling as clean water.

[0034] The working principle and use process of the present invention are as follows: first, the rotor to be cleaned is placed on the upper end of the arc seat 17. The position of the arc seat 17 can be adjusted by setting the electric push rod 16, which is convenient for fixing rotors of different lengths. The cylinder 7 is started, and the cylinder 7 drives the delivery pipe 8 to move. The delivery pipe 8 drives the guide block 801 to slide in the inner cavity of the guide groove 19, which effectively prevents the delivery pipe 8 from shaking when moving and increases the stability of the delivery pipe 8 when moving. The delivery pipe 8 moves downward or upward through the spray pipe 9 and the high-pressure nozzle 10, which is convenient for adjusting the height of the cleaning adjustment member 4 according to the position of the rotor, making it more convenient to clean the rotor and improving the cleaning effect of the rotor. The liquid suction pump 14 is started, and the liquid suction pump 14 fills the water tank 5 with water through the water suction pipe 13 and the elastic hose 15. The liquid in the filter is transported to the delivery pipe 8, and the delivery pipe 8 cleans the rotor in the cleaning frame 3 through the spray pipe 9 and the high-pressure nozzle 10. The cleaned sewage enters the filter box 2 through the diversion port 18, and the fiber ball filter plate 11 and the reverse osmosis filter plate 12 in the filter box 2 filter the wastewater. They have the characteristics of large specific surface area and high porosity, and can effectively intercept impurities such as suspended matter and particulate matter in the water, thereby improving the filtration efficiency. The filtered water is connected to the municipal pipeline through the drain pipe and is directly discharged without affecting the surrounding environment. The provision of the sealed inspection door 22 makes it easy to open the filter box 2, and facilitates the cleaning and maintenance of the fiber ball filter plate 11 and the reverse osmosis filter plate 12 in the filter box 2, without affecting the filtration efficiency of the wastewater in the later stage.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cleaning device for a steam turbine rotor, characterized in that: include: Mounting plate (1); A filtering mechanism, the filtering mechanism being arranged at the top of the mounting plate (1), the filtering mechanism being used to collect and filter cleaning wastewater; A cleaning frame (3), the cleaning frame (3) being arranged at the top of the filter mechanism, a cleaning adjustment member (4) being arranged at the top of the cleaning frame (3), the cleaning adjustment member (4) being used for spraying water toward the top of the filter mechanism, and a clamping member being arranged at the bottom of the cleaning frame (3), the clamping member being used for clamping the turbine rotor to be cleaned; A water tank (5) is provided at the top of the mounting plate (1) and is located near the side of the back surface. A pumping member is provided between the top of the water tank (5) and the cleaning adjustment member (4). The pumping member is used to pump water from the water tank (5) to the cleaning adjustment member (4).

2. A steam turbine rotor cleaning device according to claim 1, characterized in that: The filtering mechanism comprises: A filter box (2), wherein the bottom end of the filter box (2) is fixedly connected to the top end of the mounting plate (1) and is located near the side of the front face, and a discharge pipe is provided on one side of the filter box (2); A filter element (6) is provided inside the filter box (2) and is located near one end of the discharge pipe. The filter element (6) is used for filtering clean wastewater.

3. The cleaning device for a steam turbine rotor according to claim 2, characterized in that: A guide port (18) is provided at the top of the filter box (2), and the guide port (18) is used for clean wastewater to fall into the filter box (2). A guide plate (201) is provided in the filter box (2), and the guide plate (201) is arranged at an angle, and the lowest end of the guide plate (201) is close to the filter element (6). A sealed inspection door (22) is provided at one end of the filter box (2) close to the filter element (6).

4. The cleaning device for a steam turbine rotor according to claim 3, characterized in that: The filter element (6) comprises: A fiber ball filter plate (11), wherein the fiber ball filter plate (11) is fixedly connected to the filter box (2), and the fiber ball filter plate (11) is arranged close to the lowest end of the guide plate (201); A reverse osmosis filter plate (12) is fixedly connected between the inner wall of the filter box (2) and the opposite side of the fiber ball filter plate (11), and the reverse osmosis filter plate (12) is arranged close to the discharge pipe.

5. The cleaning device for a steam turbine rotor according to claim 1, characterized in that: The cleaning and adjusting member (4) comprises: A cylinder (7), wherein the cylinder (7) is arranged at the top of the cleaning frame (3), and an output end of the cylinder (7) is arranged downward and passes through the top of the cleaning frame (3); A delivery pipe (8) is slidably inserted and connected between the two top walls of the cleaning frame (3), the top end of the delivery pipe (8) is fixedly connected to the output end of the cylinder (7), and the liquid inlet end of the delivery pipe (8) is connected to the liquid discharge end of the pumping member.

6. The steam turbine rotor cleaning device according to claim 5, characterized in that: The cleaning adjustment member (4) further comprises: Spray pipes (9), wherein a plurality of the spray pipes (9) are respectively connected to the discharge ends of the delivery pipe (8); A high-pressure nozzle (10), wherein a plurality of the high-pressure nozzles (10) are respectively installed on one end of a plurality of spray pipes (9) away from the delivery pipe (8).

7. The steam turbine rotor cleaning device according to claim 5, characterized in that: Guide grooves (19) are provided on the inner walls of both sides of the cleaning frame (3), and guide blocks (801) are fixedly connected to both sides of the delivery pipe (8), and the end of the guide block (801) away from the delivery pipe (8) is slidably connected to the inner wall of the guide groove (19).

8. The steam turbine rotor cleaning device according to claim 5, characterized in that: The pumping member comprises: A liquid suction pump (14), the liquid suction pump (14) being arranged at the top end of the water tank (5); A water suction pipe (13), one end of which is connected to the liquid inlet end of the liquid suction pump (14), and the other end of which is connected to the water tank (5); An elastic hose (15), one end of which is connected to the discharge end of the suction pump (14), and the other end of which is connected to the top of the delivery pipe (8).

9. The steam turbine rotor cleaning device according to claim 1, characterized in that: The clamping member comprises: Stable seats (21), wherein a plurality of the stable seats (21) are respectively fixedly connected to two sides of the bottom of the cleaning frame (3); An electric push rod (16), wherein a plurality of the electric push rods (16) are respectively arranged at the top ends of a plurality of stable seats (21), and the plurality of the electric push rods (16) are symmetrically arranged along the two arms of the cleaning frame (3), and the output ends of the electric push rods (16) penetrate into the inner cavity of the cleaning frame (3); An arc-shaped seat (17), wherein the arc-shaped seat (17) is fixedly connected to the output end of the electric push rod (16), and the arc-shaped seat (17) is arranged in the inner cavity of the cleaning frame (3).

10. The steam turbine rotor cleaning device according to claim 1, characterized in that: A plurality of mounting seats (20) are provided at the bottom end of the mounting plate (1), and a non-slip pad (2001) is provided at the bottom end of each of the plurality of mounting seats (20).

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