Gas turbine air inlet filter element cleaning device

By designing a gas turbine air intake filter cleaning device and utilizing a sealing plate and main rod structure to clean dust online, the high cost and downtime problems caused by dust accumulation in the filter element are solved, and efficient dust cleaning and extended filter element life are achieved.

CN223351241UActive Publication Date: 2025-09-19HUADIAN FOSHAN ENERGY CO LTD
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Patent Information

Application Number
CN202422642837.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-19
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

Existing gas turbine air intake filters accumulate a lot of dust after being used for a period of time, resulting in high costs for filter replacement and requiring downtime. Dust is easily scattered during cleaning.

Method used

A gas turbine air intake filter cleaning device was designed. The device used a parallel sealing plate and main rod structure to seal the filter pores through an inflatable sealing ring. Combined with a fan backflush and dust collection device, it could achieve online dust cleaning and avoid shutdown.

Benefits of technology

It realizes online dust cleaning, reduces the number of unit shutdowns, extends the service life of the filter element, reduces the replacement cost and frequency, and avoids dust scattering.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of gas turbine air inlet filter element cleaning equipment, in particular to a gas turbine air inlet filter element cleaning device. The utility model relates to a gas turbine air inlet filter element cleaning device which comprises a first sealing plate, a second sealing plate, a first air inlet pipe, a second air inlet pipe and a second air inlet pipe. The first sealing plate is provided with at least one reverse blowing opening; the second sealing plate and the first sealing plate are located at a parallel angle, and the second sealing plate is provided with a dust collection opening penetrating through the two faces; one end of the handle pipe is fixedly connected with the second sealing plate; the first sealing plate is provided with a pipe hole penetrating through the two faces and an air blowing pipe, and one end of the air blowing pipe is communicated with the reverse blowing opening. The inflatable sealing ring is mounted in the annular mounting groove; one end of the inflation pipe is communicated with the inflation sealing ring; an air outlet of the fan is communicated with the other end of the air blowing pipe; and an air inlet of the dust suction device is communicated with the dust suction port.
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Description

Technical Field

[0001] The utility model relates to the field of cleaning equipment for gas engine air intake filter elements, in particular to a gas engine air intake filter element cleaning device. Background Art

[0002] The LM6000 gas turbine is derived from the General Electric CF6-80C2 commercial aircraft engine. This engine first entered aviation service in 1985 and has been widely used in wide-body aircraft. Currently, over 3,500 80C2 engines are in service or on order. Their high efficiency and reliability have been proven over the years. Based on this aircraft engine's technology platform, the LMI6000 series gas turbines, with power generation capacities exceeding 50 MW, offer reliable technology through modern design enhancements, improved installation and maintenance, and improved efficiency. Nearly 1,200 units are currently in operation worldwide. The LM6000 gas turbine power plant can be used in simple cycle, combined cycle, and cogeneration applications, meeting a wide range of customer needs. Its 10-minute startup capability enables the LM6000 to handle not only baseload loads but also frequent starts and stops, peak load shaving, and rapid response to grid dispatch.

[0003] The LM6000 gas turbine's air intake is equipped with a modular, multi-stage static filtration system installed above the turbine / generator housing to provide combustion air and ventilation air to the system. The air filter configuration consists of a pre-filter / coarse filter (bag type) (referred to as coarse filtration) + a fine filter (cartridge type) (referred to as fine filtration). Through repeated filtration, over 99.9% of airborne particles 5 microns or larger are removed. The filtered air is divided into three routes: one enters the combustion chamber as combustion air, one enters the turbine housing, and another enters the generator housing. However, existing filtration systems still present the following problems:

[0004] 1. After a period of use, a lot of dust and dirt will accumulate on the surface of the gas turbine air intake filter. In order to ensure the cleanliness of the filter element, the industry adopts the method of replacing the filter element, that is, shutting down the machine to replace the entire filter element. However, the replacement of the filter element, the loss of shutdown for replacing the filter element, and the price of purchasing a new filter element are extremely high, which increases a lot of costs.

[0005] 2. And at present, if it is not replaced, it is very troublesome to just clean the dust, and the dust will fly everywhere during the cleaning process, making it easy for the dust to be scattered in other places. Utility Model Content

[0006] The utility model aims to solve the problem that a large amount of dust and dirt will accumulate on the surface of the existing gas engine air intake filter after each use for a period of time, and the cost of replacing the filter element is high and the engine needs to be shut down.

[0007] In order to solve the above technical problems, the utility model provides a cleaning device for a combustion engine air intake filter, comprising:

[0008] A first sealing plate, wherein an annular mounting groove is provided around the first sealing plate; the first sealing plate has at least one backflush port;

[0009] a second sealing plate, the second sealing plate being parallel to the first sealing plate, the first sealing plate and the second sealing plate being circular in structure; the second sealing plate and the first sealing plate being coaxial; the backflush port being located on a side of the first sealing plate facing the second sealing plate; and the second sealing plate having a dust suction port extending through both sides;

[0010] a handle tube, one end of which is fixedly connected to the second sealing plate;

[0011] A main rod, one end of which is fixedly connected to the first sealing plate, and the other end of which is fixedly connected to the second sealing plate; the first sealing plate has a tube hole passing through both sides, and the tube hole passes through the main rod and the second sealing plate at the same time,

[0012] an air blowing pipe, one end of which is connected to the back-blowing port; the other end of which passes through the tube hole and is at least outside the second sealing plate;

[0013] an inflatable sealing ring installed in the annular mounting groove;

[0014] an inflation tube, one end of which is connected to the inflation sealing ring; the other end of which passes through the tube hole and is at least outside the second sealing plate;

[0015] a fan, wherein the air outlet of the fan is connected to the other end of the air blowing pipe;

[0016] A dust suction device, wherein the air inlet of the dust suction device is connected to the dust suction port.

[0017] As a preferred embodiment of the combustion engine air intake filter cleaning device of the present invention, the handle tube is connected to the dust suction port, and the air intake of the dust suction device is connected to the other end of the handle tube.

[0018] As a preferred embodiment of the gas engine air intake filter cleaning device of the present invention, a detachably connected air pipe cap is provided at the other end of the inflation pipe.

[0019] As a preferred embodiment of the combustion engine air intake filter cleaning device of the utility model, the second sealing plate is provided with a first annular chute, and the first annular chute has at least two connecting screws fixedly connected therein;

[0020] It includes a turntable, which is slidably mounted on the first annular groove; the turntable has a second annular groove on one side close to the second sealing plate, and the connecting screw is located in the second annular groove;

[0021] The other side of the rotating disk away from the second sealing plate has a mounting hole, and the mounting hole passes through the second annular sliding groove;

[0022] It includes a nut which is installed in the second annular slot through the installation hole, and the nut is threadedly connected to the connecting screw.

[0023] As a preferred embodiment of the combustion engine air intake filter cleaning device of the present invention, it includes a sealing plug, which is detachably mounted on the mounting hole.

[0024] As a preferred embodiment of the gas engine air intake filter cleaning device of the utility model, the turntable has a fixedly connected guide rail, which is parallel to the main rod; the guide rail is provided with a linear slide groove; the turntable has an axial hole passing through both sides;

[0025] The motor comprises a motor, wherein the side of the motor has a fixedly connected slide bar, and the slide bar is slidably mounted on the linear slide groove;

[0026] The utility model comprises a rotating rod, one end of which is provided with a cleaning brush which is fixedly connected thereto; the other end of the rotating rod passes through the shaft hole and is fixedly connected or detachably connected to the motor shaft of the motor.

[0027] As a preferred embodiment of the combustion engine air intake filter cleaning device of the present invention, a detachably connected sealing gasket is provided between the second sealing plate and the rotary disk.

[0028] Beneficial effects

[0029] The present invention solves the above existing problems and other existing problems not mentioned above and accordingly brings at least the following innovative advantages:

[0030] The utility model discloses a gas engine air intake filter cleaning device, by means of a first sealing plate and a second sealing plate which are arranged in parallel, and a diameter of the first sealing plate is smaller than a diameter of the second sealing plate, and the first sealing plate and the second sealing plate are connected by a main rod, so that the handle tube can be held by hand, and the first sealing plate and the main rod can be inserted into the filter element more conveniently, and at this time, the inflatable sealing ring is inflated by using the inflation tube to make the inflatable sealing ring expand more, and the inflatable sealing ring is used to fill the gap between the first sealing plate and the hole of the filter element; and the second sealing plate seals the port of the hole of the filter element; then the fan is turned on, so that the wind of the fan passes through the blowing tube and is blown out at the position of the back-blowing port, so that the dust in the filter element is blown away, and at the same time the dust suction device is started to timely suck away the dust and wind blown in from the back-blowing port from the position of the dust suction port, thereby solving the problem that the current dust cleaning will cause the dust to be scattered everywhere.

[0031] The utility model discloses a cleaning device for a combustion engine air intake filter, wherein the handle pipe is connected to the dust suction port, and the dust suction device is further connected to the handle pipe, thereby realizing that the space of the second sealing plate is not occupied when connecting the dust suction pipe.

[0032] The utility model discloses a gas engine air intake filter cleaning device, which realizes that the turntable can be movably installed on the second sealing plate through the first annular groove; the turntable will not fall off in the position of the first annular groove by setting the connecting screw rod, the second annular groove and the nut; and each nut is installed through the mounting hole by setting the mounting hole, thereby hiding multiple connecting screw rods and nuts, thereby increasing the overall aesthetics.

[0033] The utility model relates to a cleaning device for a combustion engine air intake filter element. The device comprises a guide rail fixedly connected to a turntable, a linear slide groove provided below the guide rail, and a slide bar provided on the side of a motor. By installing the slide bar in the linear slide groove, the motor can slide back and forth using the linear slide groove as a guide rail. The back and forth sliding of the motor enables the high-speed rotating cleaning brush to clean dust from the surface of the combustion engine filter element when the motor drives the cleaning brush to rotate. Furthermore, since the motor and the guide rail are both installed on the turntable, rotating the turntable can achieve 360-degree rotation and all-round cleaning of the combustion engine filter element. The cleaned dust is blown away by the air blown out of the back-blowing port and sucked away by a dust suction device connected to the dust suction port.

[0034] The utility model discloses a gas turbine air intake filter cleaning device, which can realize online operation without stopping the machine, reduce the number of unit shutdowns, extend the service life of the filter element, reduce the waste of the filter element and the cost and frequency of filter element replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0036] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0037] Figure 3 It is a partial exploded schematic diagram of the present utility model;

[0038] Figure 4 This is an enlarged perspective view of the turntable and related components of the utility model;

[0039] Figure 5 This is an enlarged perspective view of the first sealing plate and the second sealing plate and related components of the present invention;

[0040] Figure 6 for Figure 2 A partial enlarged view of area A in the middle.

[0041] In the figure: 1. First sealing plate, 2. Annular mounting groove, 3. Back-blowing port, 4. Second sealing plate, 5. Dust suction port, 6. Handle tube, 7. Main rod, 8. Pipe hole, 9. Air blowing pipe, 10. Inflatable sealing ring, 11. Inflatable pipe, 12. Air pipe cap, 13. First annular slide, 14. Connecting screw, 15. Turntable, 16. Second annular slide, 17. Mounting hole, 18. Nut, 19. Sealing plug, 20. Guide rail, 21. Linear slide, 22. Shaft hole, 23. Motor, 24. Slide bar, 25. Rotating rod, 26. Cleaning brush, 27. Sealing pad. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solutions and advantages of the technical solutions of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the specific embodiments of the present disclosure.

[0043] The same reference numerals in the accompanying drawings represent the same components. It should be noted that the embodiments described are only part of the embodiments of the present disclosure, rather than all the embodiments.

[0044] Based on the described embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present disclosure.

[0045] The utility model of the cleaning device for the gas engine air intake filter comprises: a first sealing plate 1, Figure 3 and Figure 5 It is shown that an annular mounting groove 2 is provided around the first sealing plate 1; Figure 1 、 Figure 2 and Figure 3 It is shown that the first sealing plate 1 has at least one backflush port 3;

[0046] The second sealing plate 4, Figure 1 、 Figure 2 、 Figure 3 and Figure 5The second sealing plate 4 and the first sealing plate 1 are respectively shown to be at a parallel angle. Figure 5 It shows that the first sealing plate 1 and the second sealing plate 4 are respectively circular structures; and the diameter of the first sealing plate 1 is smaller than the diameter of the second sealing plate 4; Figure 2 It shows that the second sealing plate 4 and the first sealing plate 1 are on the same axis; Figure 1 The backflush port 3 is shown to be located on the side of the first sealing plate 1 facing the second sealing plate 4; Figure 2 and Figure 5 The second sealing plate 4 is shown to have dust suction ports 5 running through both sides;

[0047] Handle tube 6, Figure 1 It shows that one end of the handle tube 6 is fixedly connected to the second sealing plate 4;

[0048] Main rod 7, Figure 1 and Figure 2 It shows that one end of the main rod 7 is fixedly connected to the first sealing plate 1, and the other end of the main rod 7 is fixedly connected to the second sealing plate 4; Figure 2 The first sealing plate 1 is shown to have a tube hole 8 penetrating both sides, and the tube hole 8 penetrates the main rod 7 and the second sealing plate 4 at the same time.

[0049] Blowpipe 9, see Figure 1 and Figure 2 One end of the air blowing pipe 9 is connected to the back-blowing port 3; the other end of the air blowing pipe 9 passes through the tube hole 8 and is at least outside the second sealing plate 4;

[0050] The inflatable sealing ring 10 is installed in the annular mounting groove 2; Figure 1 The effect diagram of the inflatable sealing ring 10 being installed in the annular mounting groove 2 is shown. Figure 3 A rendering showing the removal of the inflatable sealing ring 10 from the annular mounting groove 2 is shown;

[0051] Inflatable tube 11, Figure 3 It is shown that one end of the inflation tube 11 is connected to the inflation seal ring 10; Figure 1 It is shown that the other end of the inflation tube 11 passes through the tube hole 8 and is at least outside the second sealing plate 4;

[0052] A fan, which is not shown in the accompanying drawings and is a conventional fan in the prior art; an air outlet of the fan is connected to the other end of the air blowing pipe 9;

[0053] The dust suction device is also not drawn in the accompanying drawings. The dust suction device is preferably a vacuum cleaner; the air inlet / air suction port of the dust suction device is connected to the dust suction port 5.

[0054] The utility model discloses a gas engine air intake filter cleaning device, through the first sealing plate 1 and the second sealing plate 4 arranged in parallel, and the diameter of the first sealing plate 1 is smaller than the diameter of the second sealing plate 4, and the first sealing plate 1 and the second sealing plate 4 are connected by the main rod 7, so that the handle tube 6 can be held by hand, and the first sealing plate 1 and the main rod 7 are more conveniently inserted into the filter element, at this time, the air filling pipe 11 is used to inflate the air in the air sealing ring 10, so that the air in the air sealing ring 10 expands more and more, and the air in the air sealing ring 10 is used to fill the gap between the first sealing plate 1 and the hole of the filter element; and the second sealing plate 4 seals the port of the hole of the filter element; then the fan is turned on, so that the wind of the fan passes through the blowing pipe 9 and is blown out at the position of the backblowing port 3, so that the dust in the filter element is blown away, and at the same time the dust suction device is started to timely suck away the dust and wind blown from the backblowing port 3 from the position of the dust suction port 5, thereby solving the problem that the current dust cleaning will cause dust to be scattered everywhere.

[0055] For further information, see Figure 1 and Figure 2 The handle tube 6 is connected to the dust suction port 5, and the air inlet of the dust suction device is connected to the other end of the handle tube 6. The present invention is a combustion engine air intake filter cleaning device, which connects the handle tube 6 with the dust suction port 5, and the dust suction device is further connected to the handle tube 6, so that the connection of the dust suction tube does not occupy the space of the second sealing plate 4.

[0056] For further information, see Figure 1 The other end of the inflation tube 11 is provided with a detachable trachea cap 12.

[0057] For further information, see Figure 3 and Figure 6 The second sealing plate 4 is provided with a first annular chute 13, and the first annular chute 13 has at least two connecting screw rods 14 fixedly connected therein;

[0058] Including turntable 15, Figure 1 and Figure 6 It shows that the turntable 15 is slidably mounted in the first annular slot 13; Figure 4 and Figure 6 The second annular groove 16 is shown on one side of the rotary disc 15 close to the second sealing plate 4 , and the connecting screw 14 is located in the second annular groove 16 ;

[0059] Figure 3 It is shown that the other side of the rotating disk 15 away from the second sealing plate 4 has a mounting hole 17, and the mounting hole 17 passes through the second annular groove 16;

[0060] Including nut 18, Figure 6The nut 18 is shown to be installed in the second annular groove 16 through the installation hole 17, and the nut 18 is threadedly connected to the connecting screw 14. A sealing plug 19 is included, which is detachably installed in the installation hole 17.

[0061] Further, Figures 1 to 4 The turntable 15 is respectively shown to have a fixedly connected guide rail 20, which is at a parallel angle to the main rod 7; Figure 2 It is shown that a linear slide groove 21 is provided below the guide rail 20; Figure 6 It is shown that the turntable 15 has an axial hole 22 passing through both sides;

[0062] including a motor 23, Figure 2 The motor 23 is shown to have a fixedly connected slide bar 24 on its side, and the slide bar 24 is slidably mounted on the linear slide groove 21;

[0063] Including a rotating rod 25, Figure 1 and Figure 2 It is shown that one end of the rotating rod 25 has a cleaning brush 26 fixedly connected thereto; the other end of the rotating rod 25 passes through the shaft hole 22 and is fixedly connected or detachably connected to the motor 23 shaft of the motor 23.

[0064] Further, Figure 3 and Figure 6 A detachably connected sealing gasket 27 is shown between the second sealing plate 4 and the turntable 15 .

[0065] The utility model gas turbine air intake filter cleaning device realizes that the turntable 15 can be movably installed on the second sealing plate 4 through the first annular groove 13; the turntable 15 will not fall off in the position of the first annular groove 13 by the setting of the connecting screw rod 14, the second annular groove 16 and the nut 18; and each nut 18 is installed through the mounting hole 17, thereby hiding multiple connecting screw rods 14 and nuts 18, thereby increasing the overall aesthetics.

[0066] The present invention provides a cleaning device for a combustion engine air intake filter element. The device comprises a guide rail 20 fixedly connected to a turntable 15, a linear slide 21 provided below the guide rail 20, and a slide bar 24 provided on the side of a motor 23. By installing the slide bar 24 in the linear slide 21, the motor 23 can slide back and forth using the linear slide 21 as a guide. The back and forth sliding of the motor 23 enables the high-speed rotating brush 26 to clean dust on the surface of the combustion engine filter element when the motor 23 drives the cleaning brush 26 to rotate. Furthermore, since the motor 23 and the guide rail 20 are both installed on the turntable 15, the inside of the combustion engine filter element can be cleaned 360 degrees in all directions by rotating the turntable 15. The cleaned dust is blown away by the air blown out of the back-blowing port 3 and sucked away by the dust suction device connected to the dust suction port 5.

[0067] The utility model discloses a gas turbine air intake filter cleaning device, which can realize online operation without stopping the machine, reduce the number of unit shutdowns, extend the service life of the filter element, reduce the waste of the filter element and the cost and frequency of filter element replacement.

[0068] The words “first”, “second” and similar terms used in the specification and claims do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as “a”, “an” or “the” do not indicate a quantity limitation, but rather indicate the presence of at least one. Words such as “include” or “comprise” mean that the elements or objects appearing before “include” or “comprises” include the elements or objects listed after “include” or “comprises” and their equivalents, and do not exclude other elements or objects. “Up”, “down”, “left”, “right” and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0069] The above-mentioned preferred embodiments of the present invention are only preferred embodiments and are not intended to limit the present invention. The scope of protection of the present invention is defined by the appended claims. For ordinary technicians in this field, other embodiments can be obtained based on the drawings without creative work, and any changes based on the claims of the present invention are within the scope of protection of the present invention.

Claims

1. A gas turbine air intake filter cleaning device, characterized in that: include: A first sealing plate, wherein an annular mounting groove is provided around the first sealing plate; The first sealing plate has at least one backflush port; a second sealing plate, the second sealing plate being parallel to the first sealing plate and being coaxial with the first sealing plate; the backflush port being located on a side of the first sealing plate facing the second sealing plate; and the second sealing plate having dust suction ports extending through both sides; a handle tube, one end of which is fixedly connected to the second sealing plate; A main rod, one end of which is fixedly connected to the first sealing plate, and the other end of which is fixedly connected to the second sealing plate; the first sealing plate has a tube hole passing through both sides, and the tube hole passes through the main rod and the second sealing plate at the same time, an air blowing pipe, one end of which is connected to the back-blowing port; the other end of which passes through the tube hole and is at least outside the second sealing plate; an inflatable sealing ring installed in the annular mounting groove; an inflation tube, one end of which is connected to the inflation sealing ring; the other end of which passes through the tube hole and is at least outside the second sealing plate; a fan, wherein the air outlet of the fan is connected to the other end of the air blowing pipe; A dust suction device, wherein the air inlet of the dust suction device is connected to the dust suction port.

2. The combustion engine air intake filter cleaning device according to claim 1, characterized in that: The handle tube is connected to the dust suction port, and the air inlet of the dust suction device is connected to the other end of the handle tube.

3. The combustion engine air intake filter cleaning device according to claim 1, characterized in that: The other end of the inflation tube is provided with a detachable trachea cap.

4. The combustion engine air intake filter cleaning device according to claim 1, characterized in that: The second sealing plate is provided with a first annular chute, and the first annular chute has at least two connecting screw rods fixedly connected therein; It includes a turntable, which is slidably mounted on the first annular groove; the turntable has a second annular groove on one side close to the second sealing plate, and the connecting screw is located in the second annular groove; The other side of the rotating disk away from the second sealing plate has a mounting hole, and the mounting hole passes through the second annular sliding groove; It includes a nut which is installed in the second annular slot through the installation hole, and the nut is threadedly connected to the connecting screw.

5. The combustion engine air intake filter cleaning device according to claim 4, characterized in that: A sealing plug is included, which is detachably mounted on the mounting hole.

6. The combustion engine air intake filter cleaning device according to claim 4, characterized in that: The turntable has a fixedly connected guide rail, which is parallel to the main rod; the guide rail is provided with a linear slide groove; the turntable has an axial hole running through both sides; The motor comprises a motor, wherein the side of the motor has a fixedly connected slide bar, and the slide bar is slidably mounted on the linear slide groove; The utility model comprises a rotating rod, one end of which is provided with a cleaning brush which is fixedly connected thereto; the other end of the rotating rod passes through the shaft hole and is fixedly connected or detachably connected to the motor shaft of the motor.

7. The combustion engine air intake filter cleaning device according to claim 4, characterized in that: A detachably connected sealing gasket is provided between the second sealing plate and the rotating disk.