A gas turbine based air intake filtration device and method of use thereof

Abstract

The application relates to the technical field of gas turbine air intake filtering devices, and discloses an air intake filtering device based on a gas turbine and a use method thereof, which comprises an air intake pipe, the outer surfaces of the opposite sides of the air intake pipe are fixedly provided with symmetrical first installation boxes and second installation boxes, the side, away from the air intake pipe, of the first installation box is of an open structure, second rollers and first rollers are rotatably installed between the top walls and the bottom walls of the first installation boxes and the second installation boxes, the outer surfaces of the second rollers and the first rollers are provided with filter belts, a plurality of filter holes are uniformly and penetratively arranged on the outer surfaces of the filter belts, and the outer surfaces of the air intake pipe, close to the first installation boxes and the second installation boxes, are also provided with openings for the filter belts to pass through. The inner and outer sides of the filter belts are cleaned by the blowing and sucking mechanism, the filter holes arranged on the filter belts are prevented from being blocked by dust, and the air filtering effect is affected.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of gas turbine air intake filter devices, in particular to a gas turbine air intake filter device and a use method thereof. BACKGROUND

[0002] The function and role of the gas turbine air intake filter are to filter out dust particles in the air, let clean air enter the gas turbine from the air intake system, and ensure that the gas turbine generator set operates safely and reliably.

[0003] The existing gas turbine air intake filter device (publication number: CN117905583A) has at least the following disadvantages: the above-mentioned patent can further improve the air filtration effect by setting the first filter assembly, the second filter assembly and the third filter assembly; since the air contains dust particles, the dust particles will adhere to the first filter assembly, the second filter assembly and the third filter assembly, thereby easily causing the filter hole to be blocked and affecting the air filtration effect. SUMMARY

[0004] The application aims to solve the problems in the prior art and provides a gas turbine air intake filter device and a use method thereof.

[0005] In order to achieve the above-mentioned purpose, the application adopts the following technical scheme:

[0006] A gas turbine air intake filter device comprises an air inlet pipe, the outer surfaces of the opposite sides of the air inlet pipe are fixedly and symmetrically provided with first and second installation boxes, the side of the first installation box away from the air inlet pipe is of an open structure, the top wall and the bottom wall of the first installation box and the second installation box are respectively provided with second and first rollers which are rotatably installed, the outer surfaces of the second and first rollers are provided with filter belts, the outer surfaces of the filter belts are uniformly provided with a plurality of filter holes, the outer surfaces of the air inlet pipe close to the first and second installation boxes are provided with openings for the filter belts to pass through, the second roller is of a hollow structure, the outer periphery of the second roller is uniformly provided with a plurality of through holes which are in communication with the inside of the second roller, the top end of the second roller is fixedly provided with a support pipe which is in communication with the inside of the second roller, the support pipe penetrates the upper surface of the first installation box and is rotatably installed with the first installation box, and the air inlet pipe and the top of the first installation box are provided with a blowing and sucking mechanism.

[0007] As a further scheme of the present application, the air blowing and sucking mechanism comprises a fixed plate fixedly installed at the top end of the air inlet pipe, an air bag is fixedly installed on the outer surface of the side of the first installation box, a rotating joint is installed at the top end of the support pipe and communicates with the inside of the support pipe, a duct is installed between the air bag and the support pipe through the rotating joint and communicates with each other, and an extrusion assembly is installed between the top of the first installation box and the support pipe.

[0008] As a further scheme of the present application, the extrusion assembly comprises an eccentric wheel fixedly installed on the outer surface of the top end of the support pipe, a support plate is fixedly installed at the top end of the air inlet pipe, two guide rods are inserted through the outer surface of the support plate, an extrusion plate is fixedly installed at the end of the air bag side of the two guide rods, a top plate is fixedly installed at the other end of the two guide rods, and the outer periphery of the top plate abuts against the eccentric wheel.

[0009] As a further scheme of the present application, a reset spring is sleeved on the outer surface of the guide rod and is arranged between the support plate and the top plate.

[0010] As a further scheme of the present application, an adsorption mechanism is installed in the first installation box, the adsorption mechanism comprises a first electrostatic dust plate and a second electrostatic dust plate fixedly installed in the first installation box, the first electrostatic dust plate and the second electrostatic dust plate are arranged on the inner and outer sides of the filter belt respectively, and a baffle is fixedly installed on the outer surface of the side of the first electrostatic dust plate away from the second roller.

[0011] As a further scheme of the present application, the bottom of the first installation box near the first electrostatic dust plate and the second electrostatic dust plate is provided with a dust discharging port, and a dust collecting box is detachably installed at the bottom of the first installation box near the dust discharging port.

[0012] As a further scheme of the present application, a wind guide pipe is fixedly installed on the bottom wall of the first installation box, the wind guide pipe is inserted into the inside of the second roller, a strip-shaped air guide port is provided through the outer surface of the wind guide pipe along the axial direction of the wind guide pipe, and the strip-shaped air guide port is arranged towards the first electrostatic dust plate.

[0013] As a further scheme of the present application, a driving motor is fixedly installed at the top end of the second installation box, and the output end of the driving motor penetrates through the top wall of the second installation box and is fixedly installed with the rotation center of the first roller.

[0014] As a further scheme of the present application, a dustproof net is fixedly installed on the inner wall of the air inlet end of the air inlet pipe, and a connecting flange plate is fixedly installed on the end of the air outlet end of the air inlet pipe.

[0015] A use method of an air inlet filtering device based on a gas turbine, comprising the following steps:

[0016] S1: install the air inlet pipe to the air inlet end of the gas turbine through the connecting flange plate;

[0017] S2: triple filter the entering air through the dustproof net and the double-layered filter belt, to prevent dust in the air from entering the inside of the gas turbine;

[0018] S3: drive the first roller to rotate through the driving motor, so that the first roller drives the filter belt and the second roller to rotate, so that the filter belt as a whole can filter the air.

[0019] The beneficial effects of the present application are:

[0020] 1. The dustproof net and the double-layered filter belt can triple filter the entering air, effectively prevent dust in the air from entering the inside of the gas turbine, prevent dust particles in the air from wearing and damaging the key components inside the gas turbine, and in turn reduce the efficiency and service life of the gas turbine;

[0021] 2. The first roller can drive the filter belt and the second roller to rotate through the driving motor driving the first roller to rotate, so that the filter belt as a whole can be used for filtering the air;

[0022] 3. The inside and outside dust of the filter belt is cleaned through the air blowing and sucking mechanism, to avoid the filter holes opened on the filter belt from being blocked by dust, affecting the air filtering effect. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The overall structure schematic diagram of the air inlet filter device based on the gas turbine is provided;

[0024] Figure 2 The top sectional structure schematic diagram of the air inlet filter device based on the gas turbine is provided;

[0025] Figure 3 The filter belt structure schematic diagram of the air inlet filter device based on the gas turbine is provided;

[0026] Figure 4 The through hole structure schematic diagram of the air inlet filter device based on the gas turbine is provided;

[0027] Figure 5 The air guide pipe structure schematic diagram of the air inlet filter device based on the gas turbine is provided;

[0028] Figure 6 The first electrostatic dust collection plate structure schematic diagram of the air inlet filter device based on the gas turbine is provided;

[0029] Figure 7A first installation box internal structure schematic view of a gas turbine-based air intake filter device is provided in the present application.

[0030] Figure 8 A first installation box bottom structure schematic view of a gas turbine-based air intake filter device is provided in the present application.

[0031] Figure 9 For Figure 1 The structure enlargement view at A in the middle.

[0032] In the figure: 1, air inlet pipe; 2, first installation box; 3, second installation box; 4, first roller; 5, second roller; 6, filter belt; 7, support pipe; 8, through hole; 9, air guide pipe; 10, baffle; 11, first electrostatic dust absorbing plate; 12, second electrostatic dust absorbing plate; 13, ash discharge port; 14, ash receiving box; 15, eccentric wheel; 16, support plate; 17, fixed plate; 18, air bag; 19, guide pipe; 20, rotary joint; 21, guide rod; 22, top plate; 23, extrusion plate; 24, reset spring; 25, driving motor; 26, dustproof net; 27, connecting flange. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0034] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0035] Referring to the drawings Figure 1 - the drawings Figure 9The utility model provides a kind of gas turbine-based air intake filtering device, including air intake pipe 1, the outer surface of opposite two sides of air intake pipe 1 is respectively fixedly installed with first installation box 2 and second installation box 3 symmetrically, the side of first installation box 2 away from air intake pipe 1 is open structure, second roller 5 and first roller 4 are rotatably installed between the top wall and bottom wall of first installation box 2 and second installation box 3 respectively, the outer surface of second roller 5 and first roller 4 is sleeved with filter tape 6, a plurality of filter holes are evenly penetrated on the outer surface of filter tape 6, the outer surface of air intake pipe 1 close to first installation box 2 and second installation box 3 is all penetrated and is provided with the opening for filter tape 6 to pass through, second roller 5 is hollow structure, and the outer periphery of second roller 5 is evenly penetrated and is provided with a plurality of through holes 8 connected with its inside, support tube 7 is fixedly installed at the top end of second roller 5 and is connected with its inside, support tube 7 penetrates the upper surface of first installation box 2 and is rotatably installed with it, air intake pipe 1 is installed with blowing and suction mechanism on the top of first installation box 2, driving motor 25 is fixedly installed at the top end of second installation box 3, the output end of driving motor 25 penetrates the top wall of second installation box 3 and is fixedly installed with the rotation center of first roller 4, dust screen 26 is fixedly installed on the inner wall of the air intake end of air intake pipe 1, and connecting flange plate 27 is fixedly installed on the end of the air outlet end of air intake pipe 1.

[0036] In the embodiment, the blowing and suction mechanism includes a fixed plate 17 fixedly installed at the top end of the air intake pipe 1, a gas bag 18 fixedly installed on the outer surface of the side of the fixed plate 17 close to the first installation box 2, a rotary joint 20 installed at the top end of the support tube 7 and connected with the inside of the support tube 7, a conduit 19 installed between the gas bag 18 and the support tube 7 through the rotary joint 20 and connected with each other, an extrusion assembly installed between the top of the first installation box 2 and the support tube 7, the extrusion assembly including an eccentric wheel 15 fixedly installed on the outer surface of the top end of the support tube 7, a support plate 16 fixedly installed at the top end of the air intake pipe 1, two guide rods 21 inserted through the outer surface of the support plate 16, an extrusion plate 23 fixedly installed at the end of one end of the two guide rods 21 close to the gas bag 18, a top plate 22 fixedly installed at the other end of the two guide rods 21, the top plate 22 abutting against the outer periphery of the eccentric wheel 15, a return spring 24 sleeved on the outer surface of the guide rod 21, the return spring 24 arranged between the support plate 16 and the top plate 22, an adsorption mechanism installed in the first installation box 2, the adsorption mechanism including a first electrostatic dust plate 11 and a second electrostatic dust plate 12 fixedly installed in the first installation box 2, the first electrostatic dust plate 11 and the second electrostatic dust plate 12 respectively arranged on the inner and outer sides of the filter tape 6, a baffle 10 fixedly installed on the outer surface of the side of the first electrostatic dust plate 11 away from the second roller 5, the baffle 10 used for guiding the airflow blown out of the through hole 8 and sucked in.

[0037] When the second roller 5 rotates, the eccentric wheel 15 is driven to rotate by the support pipe 7, the eccentric wheel 15 constantly pushes the top plate 22 to move, the top plate 22 constantly extrudes the air bag 18 through the guide rod 21 and the extrusion plate 23, and the air bag 18 can be constantly opened and closed through the elastic force of the reset spring 24. The air bag 18 constantly inflates and deflates through the guide pipe 19 and the rotary joint 20, and the second roller 5 constantly inflates and deflates the filter holes on the rotating filter belt 6 through the through hole 8. When inflating, the dust adhered to the outside of the filter belt 6 is blown to the second electrostatic dust collection plate 12, so that the second electrostatic dust collection plate 12 adsorbs the dust blown out. When deflating, the dust adhered to the inside of the filter belt 6 is sucked to the first electrostatic dust collection plate 11, so that the first electrostatic dust collection plate 11 adsorbs the dust sucked out. Through the adsorption of the first electrostatic dust collection plate 11 and the second electrostatic dust collection plate 12 to the dust on the inside and outside of the filter belt 6, the surface of the filter belt 6 can be effectively cleaned, so as to avoid that the filter holes opened on the filter belt 6 are blocked by dust, affecting the air filtration effect.

[0038] In the embodiment, the first mounting box 2 is provided with a dust discharge port 13 at the bottom near the first electrostatic dust collection plate 11 and the second electrostatic dust collection plate 12, and the dust collection box 14 is detachably installed at the bottom of the first mounting box 2 near the dust discharge port 13.

[0039] When the dust on the surface of the first electrostatic dust collection plate 11 and the second electrostatic dust collection plate 12 needs to be cleaned, the power supply of the first electrostatic dust collection plate 11 and the second electrostatic dust collection plate 12 is turned off, so that the dust adsorbed on the surface of the first electrostatic dust collection plate 11 and the second electrostatic dust collection plate 12 falls into the dust collection box 14 through the dust discharge port 13, so as to collect and clean the dust.

[0040] In the embodiment, the bottom wall of the first mounting box 2 is fixedly provided with an air guide pipe 9, the air guide pipe 9 is inserted into the inside of the second roller 5, and a strip-shaped air guide port is provided on the outer surface of the air guide pipe 9 along the axial direction of the air guide pipe 9, and the strip-shaped air guide port is arranged towards the first electrostatic dust collection plate 11.

[0041] In use, the part of the through hole 8 on the second roller 5 can be plugged by the part of the air guide pipe 9 without the strip-shaped air guide port, so that the inflow and outflow of air can be concentrated at the strip-shaped air guide port, the air flow intensity is increased, and the dust on the surface of the filter belt 6 can be better cleaned.

[0042] A use method of an air inlet filtering device based on a gas turbine, comprising the following steps:

[0043] S1: install the air inlet pipe 1 on the air inlet end of the gas turbine through the connecting flange plate 27;

[0044] S2: The air entering is triple-filtered by the dustproof net 26 and the double-layer filter belt 6, so that the dust in the air is prevented from entering the gas turbine;

[0045] S3: The first roller 4 is driven to rotate by the driving motor 25, so that the first roller 4 drives the filter belt 6 and the second roller 5 to rotate, and the filter belt 6 as a whole can filter the air.

[0046] From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects: in use, the air inlet pipe 1 is installed on the air inlet end of the gas turbine through the connecting flange 27, and when the air is inhaled, the air entering can be triple-filtered by the dustproof net 26 and the double-layer filter belt 6, so that the dust in the air can be effectively prevented from entering the gas turbine, the dust particles in the air can be prevented from causing wear and damage to the key components in the gas turbine, and the efficiency and service life of the gas turbine are reduced;

[0047] The first roller 4 is driven to rotate by the driving motor 25, so that the first roller 4 can drive the filter belt 6 and the second roller 5 to rotate, and the filter belt 6 as a whole can filter the air.

[0048] When the second roller 5 rotates, the eccentric wheel 15 is driven to rotate by the support pipe 7, so that the eccentric wheel 15 constantly pushes the top plate 22 to move, the top plate 22 constantly extrudes the air bag 18 through the guide rod 21 and the extrusion plate 23, and the air bag 18 can be constantly opened and closed through the elastic force of the reset spring 24, the air is constantly pumped into and pumped out of the second roller 5 through the conduit 19 and the rotary joint 20, the filter holes on the filter belt 6 are constantly blown and sucked by the second roller 5 through the through hole 8, when the air is blown, the dust adhered to the outer side of the filter belt 6 is blown to the second electrostatic dust collection plate 12, so that the second electrostatic dust collection plate 12 adsorbs the blown dust; when the air is sucked, the dust adhered to the inner side of the filter belt 6 is sucked to the first electrostatic dust collection plate 11, so that the first electrostatic dust collection plate 11 adsorbs the sucked dust, and the dust on the inner and outer sides of the filter belt 6 is adsorbed by the first electrostatic dust collection plate 11 and the second electrostatic dust collection plate 12, so that the surface of the filter belt 6 can be effectively cleaned, the filter holes opened on the filter belt 6 are prevented from being blocked by dust, and the air filtering effect is affected.

[0049] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An air intake filtration device based on a gas turbine, comprising an air intake pipe (1), characterized in that, The intake pipe (1) is symmetrically fixed with a first mounting box (2) and a second mounting box (3) on opposite sides of its outer surface. The side of the first mounting box (2) away from the intake pipe (1) is open. A second roller (5) and a first roller (4) are rotatably mounted between the top and bottom walls of the first mounting box (2) and the second mounting box (3), respectively. A filter belt (6) is sleeved on the outer surface of the second roller (5) and the first roller (4). A plurality of filter holes are evenly opened through the outer surface of the filter belt (6). The intake pipe (1) near the outer surfaces of the first mounting box (2) and the second mounting box (3) are both opened to allow the filter belt (6) to pass through. The second roller (5) The second roller (5) has a hollow structure, and several through holes (8) are evenly opened on the outer periphery of the second roller (5) and are connected to its interior. A support tube (7) connected to its interior is fixedly installed at the top of the second roller (5). The support tube (7) passes through the upper surface of the first mounting box (2) and is rotatably installed therewith. A blowing and sucking mechanism is installed on the top of the air inlet pipe (1) and the first mounting box (2). The blowing and sucking mechanism includes a fixing plate (17) fixedly installed at the top of the air inlet pipe (1). An airbag (18) is fixedly installed on the outer surface of the fixing plate (17) near the first mounting box (2). A rotary joint (20) connected to its interior is installed at the top of the support tube (7). A conduit (19) is installed between the airbag (18) and the support tube (7) via a rotary joint (20). A compression assembly is installed between the top of the first mounting box (2) and the support tube (7). The compression assembly includes an eccentric wheel (15) fixedly installed on the outer surface of the top end of the support tube (7). A support plate (16) is fixedly installed on the top end of the air inlet pipe (1). Two guide rods (21) are inserted through the outer surface of the support plate (16). A compression plate (23) is fixedly installed at one end of the two guide rods (21) near the airbag (18). A top plate (22) is fixedly installed at the other end of the two guide rods (21). The top plate (22) and the eccentric wheel (19) are connected by a compression plate (19). 5) The outer periphery abuts against each other. An adsorption mechanism is installed inside the first mounting box (2). The adsorption mechanism includes a first electrostatic dust suction plate (11) and a second electrostatic dust suction plate (12) fixedly installed inside the first mounting box (2). The first electrostatic dust suction plate (11) and the second electrostatic dust suction plate (12) are respectively located on the inner and outer sides of the filter belt (6). A baffle (10) is fixedly installed on the outer surface of the first electrostatic dust suction plate (11) away from the second roller (5). A drive motor (25) is fixedly installed at the top of the second mounting box (3). The output end of the drive motor (25) passes through the top wall of the second mounting box (3) and is fixedly installed at the rotation center of the first roller (4).

2. The gas turbine-based air intake filtration device according to claim 1, characterized in that, A reset spring (24) is sleeved on the outer surface of the guide rod (21), and the reset spring (24) is located between the support plate (16) and the top plate (22).

3. The gas turbine-based air intake filtration device according to claim 1, characterized in that, The first mounting box (2) has a dust discharge port (13) through the bottom of the first electrostatic dust collection plate (11) and the second electrostatic dust collection plate (12), and a dust receiving box (14) can be detachably installed on the bottom of the first mounting box (2) near the dust discharge port (13).

4. The gas turbine-based air intake filtration device according to claim 1, characterized in that, The bottom wall of the first mounting box (2) is fixedly installed with an air guide pipe (9). The air guide pipe (9) is inserted into the inside of the second roller (5), and the outer surface of the air guide pipe (9) along its axial direction is provided with a strip-shaped air guide opening. The strip-shaped air guide opening is set towards the first electrostatic dust collection plate (11).

5. The gas turbine-based air intake filtration device according to claim 1, characterized in that, A dustproof net (26) is fixedly installed on the inner wall of the air inlet end of the air inlet pipe (1), and a connecting flange (27) is fixedly installed at the end of the air outlet end of the air inlet pipe (1).

6. A method of using an air intake filtration device based on a gas turbine, characterized in that, The intake air filtration device based on a gas turbine as described in any one of claims 1-5 includes the following steps: S1: Install the intake pipe (1) to the intake end of the gas turbine via the connecting flange (27); S2: The incoming air is triple-filtered by a dustproof net (26) and a double-layered filter belt (6) to prevent dust in the air from entering the gas turbine. S3: Drive the first roller (4) to rotate by the drive motor (25), so that the first roller (4) drives the filter belt (6) and the second roller (5) to rotate, so that the filter belt (6) as a whole can filter the air.

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