Large-air-volume gas turbine air inlet device capable of filtering impurities and using method thereof

Abstract

The invention relates to the technical field of large-air-volume gas turbine air inlet devices, in particular to a large-air-volume gas turbine air inlet device capable of filtering impurities and a using method thereof.The large-air-volume gas turbine air inlet device comprises supporting legs, a bottom frame is arranged on the supporting legs, an air inlet bin with an opening in the top is arranged on the bottom frame, an air inlet bin cover is installed at the opening in the top of the air inlet bin, and a rotating shaft is rotationally arranged in the air inlet bin; the top end of the air filter element is sealed, the bottom end of the air filter element is open, the top end of the air filter element is fixed to the rotating shaft, and the bottom end of the air filter element is rotationally installed on the bottom wall in the air inlet bin; when the filter element is used, impurities adhering to the surface of the filter element can be cleaned in time, the filtering effect of the filter element is improved, air can be effectively filtered, and the situation that air entering and exiting are blocked due to excessive impurities on the surface of the filter element, and consequently air input into a gas turbine is reduced is avoided; meanwhile, the filter element does not need to be detached for replacement and cleaning, and maintenance is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of large-volume gas engine air intake devices, and in particular to a large-volume gas engine air intake device capable of filtering impurities and a use method thereof. Background Art

[0002] A large air volume gas turbine is an internal combustion power machine that uses a continuously flowing gas as a working medium to drive the impeller to rotate at high speed, converting the energy of the fuel into useful work. It is a rotary impeller heat engine. Among them, the intake system of the gas turbine extracts air from the air and transports the air to the gas turbine to make the gas turbine react. The filtration accuracy of the gas turbine intake system will directly affect the service life of the gas turbine.

[0003] Existing gas turbine air intake filtration devices mostly use two types of gas entry structures:

[0004] The first type of external air intake filtration structure is to set up a filter element with a cavity, and suck air from the outside of the filter element into the cavity of the filter element. The air is filtered in the process of passing through, and then connected to the cavity of the filter element through a pipeline to input clean gas to the gas turbine; the large particles of impurities after filtration are adsorbed on the outer wall of the filter element.

[0005] The second type of internal air intake filtration structure is to set up a filter element with a cavity, and directly input air into the filter element cavity. The gas will pass through the inner wall of the cavity into the external environment of the filter element, and then collect the gas in the external environment of the filter element and input it into the turbine; the large particles of impurities after filtration remain in the filter element cavity.

[0006] The above two structures both have the problem that the filter element of the filter device is inconvenient to disassemble when replacing, and it is not easy to clean and maintain impurities. Therefore, after long-term use, too many impurities adhere to the surface of the filter element and block the filter holes. If it is not cleaned in time, the filtering effect of the filter element will deteriorate, and the air cannot be effectively filtered. It is also easy to cause obstruction of air inlet and outlet, thereby causing a reduction in the air input to the engine, which will cause serious accidents. For this reason, we propose a large-volume engine air intake device that can filter impurities and a method for using the same. Summary of the invention

[0007] The object of the present invention is to provide a large-volume gas engine air intake device capable of filtering impurities and a method of using the same, so as to solve the problem that after long-term use, the filter element of the air intake device proposed in the above-mentioned background technology has too many impurities adhered to its surface and clogged the filter holes. If it is not cleaned in time, the filtering effect of the filter element will deteriorate and the gas engine intake air cannot be effectively filtered.

[0008] To achieve the above object, the present invention provides the following technical solutions:

[0009] A large air volume combustion engine air intake device capable of filtering impurities, comprising a support leg, a base frame being arranged on the support leg, an air intake bin with a top opening being arranged on the base frame, an air intake bin cover being installed at the top opening of the air intake bin, a rotating shaft being rotatably arranged inside the air intake bin, an air filter element for filtering impurities from the air intake in the air intake bin being arranged on the rotating shaft, the top end of the air filter element being sealed, the bottom end being opened, the top end being fixed to the rotating shaft, and the bottom end being rotatably mounted on the bottom wall inside the air intake bin;

[0010] An air inlet duct and an air outlet duct are arranged on the support leg, one end of the air inlet duct extends to the gap between the air inlet bin and the air filter element, the air inlet duct is used to take air into the air inlet bin, a ventilation channel connected to the air filter element is opened through the base frame and the air inlet bin, one end of the air outlet duct is connected to the ventilation channel, the ventilation channel is used to transport the air in the air inlet bin and the gas filtered by the air filter element to the interior of the large air volume combustion engine;

[0011] A beating mechanism is arranged inside the air filter element for beating the air filter element to remove dust.

[0012] A large air volume gas turbine air intake device capable of filtering impurities as described above: a motor is installed on the air intake compartment cover, the output end of the motor is connected to the rotating shaft through a coupling, and the motor is used to drive the rotating shaft to rotate.

[0013] A large air volume gas turbine air intake device capable of filtering impurities as described above: the air intake pipe and the air outlet pipe are respectively installed with a pressure gauge, and the pressure gauge is used to detect the gas pressure in the air intake pipe and the air outlet pipe respectively.

[0014] A large air volume combustion engine air intake device capable of filtering impurities as described above: the outer diameter of the air filter element is matched with the inner diameter of the air intake bin, and there is a gap between the air filter element and the air intake bin.

[0015] A large air volume combustion engine air intake device capable of filtering impurities as described above: the flapping mechanism comprises a bracket fixed to the inner bottom wall of the air intake bin and a plurality of driving gears fixed on a rotating shaft, a plurality of driven gears are rotatably mounted on the bracket, the driven gears are meshed with the driving gears, a plurality of fixing frames are arranged on the bracket, a slide groove is arranged on the fixing frame, a slide plate is slidably engaged with the slide groove, a swing arm is arranged between the slide plate and the driven gear, the two ends of the swing arm are respectively hinged to the driven gear and the slide plate, and an arc plate is arranged at one end of the slide plate.

[0016] A large air volume combustion engine air intake device capable of filtering impurities as described above: a plurality of driving gears are vertically distributed on the rotating shaft at equal intervals, a plurality of driven gears and fixing frames are vertically distributed on the bracket at equal intervals, and the driving gears, driven gears and fixing frames exist in pairs.

[0017] A large air volume combustion engine air intake device capable of filtering impurities as described above: the outer dimensions of the arc plate are matched with the inner dimensions of the air filter element, and a soft rubber layer is fixedly adhered to the surface of one side of the arc plate close to the inner wall of the air filter element.

[0018] A method for filtering impurities by a large air volume gas turbine air intake device as claimed in any one of claims 1 to 7, comprising the following steps:

[0019] S1, the gas enters the air intake bin from the air intake pipe and reaches the air filter element which reduces the flow rate. Large-sized solid particles and liquid particles are separated from the gas after being filtered by the air filter element. Some of them gather at the bottom of the air intake bin, and some of them adhere to the outer wall of the air filter element.

[0020] S2, the rotation of the shaft drives the air filter element to rotate and generate centrifugal force to remove the particle impurities adhering to the surface of the air filter element. The rotation of the shaft drives the driving gear to rotate and drives the driven gear to rotate, drives the swing arm to swing and pull the slide plate to move back and forth in the slide slot, drives the arc plate to move back and forth, and beats the inner wall of the air filter element during the rotation of the air filter element, so that the particle impurities adhering to the surface of the air filter element fall off;

[0021] S3, the clean gas after filtering impurities enters the inner side of the air filter element, enters the inside of the air outlet pipe through the ventilation hole at the bottom of the air filter element, and is then transported to the air inlet of the large air volume gas turbine through the air outlet pipe.

[0022] Compared with the prior art, the invention has the following beneficial effects: a rotating shaft is rotatably arranged inside the air intake bin, an air filter element for filtering impurities from the air intake bin is arranged on the rotating shaft, the top end of the air filter element is sealed, the bottom end is open, the top end is fixed to the rotating shaft, and the bottom end is rotatably mounted on the bottom wall inside the air intake bin;

[0023] The air filter element is provided with a flapping mechanism, which includes a bracket, a driving gear, etc., and is used to flap the air filter element to remove dust;

[0024] Therefore, when the present invention performs impurity filtering on the intake air of a large air volume combustion engine, the gas enters the intake bin from the intake pipe and reaches the air filter element which reduces the flow rate. Large-sized solid particles and liquid particles are separated from the gas after being filtered by the air filter element, and some of them are gathered at the bottom of the intake bin, and some of them adhere to the outer wall of the air filter element. At this time, the rotation of the rotating shaft drives the air filter element to rotate to generate centrifugal force, and the particle impurities adhered to the surface of the air filter element are thrown off. The rotation of the rotating shaft drives the driving gear to rotate and drives the driven gear to rotate, which drives the swing arm to swing and pull the slide plate to move back and forth in the slide groove, driving the arc plate to move back and forth in the air During the rotation of the air filter element, the inner wall of the air filter element is beaten to drop the particulate impurities adhered to the surface of the air filter element. Therefore, when the filter element is in use, the air filter element is driven to rotate by the rotation of the rotating shaft to generate centrifugal force to remove the particulate impurities adhered to the surface of the air filter element, and the beating mechanism beats the air filter element for dust removal, which can timely clean up the impurities adhered to its surface, improve the filtering effect of the filter element, effectively filter the air, avoid excessive impurities on the surface of the filter element causing air inlet and outlet to be blocked and then causing a reduction in air input to the combustion engine. At the same time, there is no need to disassemble the filter element for replacement and cleaning, and maintenance is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The present invention is a first-perspective structural schematic diagram of a large-air-volume combustion engine air intake device capable of filtering impurities and a method of using the same.

[0026] Figure 2 The present invention is a second perspective structural schematic diagram of a large air volume gas turbine air intake device capable of filtering impurities and a method of using the same.

[0027] Figure 3 The present invention is a structural schematic diagram of a large air volume combustion engine air intake device capable of filtering impurities and a method of using the same, with an air intake bin and an air filter element partially cut away.

[0028] Figure 4 The present invention is a cross-sectional structural schematic diagram of a large air volume gas turbine air intake device capable of filtering impurities and a method of using the same.

[0029] Figure 5 for Figure 4 Schematic diagram of the local enlarged structure.

[0030] Figure 6 The present invention is a structural schematic diagram of a large air volume combustion engine air intake device capable of filtering impurities and a method of using the same, with an air intake bin and an air filter element partially cut away.

[0031] Figure 7 The present invention is a structural schematic diagram of a flapping mechanism of a large air volume combustion engine air intake device capable of filtering impurities and a method for using the same.

[0032] In the figure: 1. support leg; 2. base frame; 3. air inlet bin; 4. air inlet bin cover; 5. air inlet pipe; 6. air outlet pipe; 7. barometer; 8. air filter element; 9. motor; 10. rotating shaft; 11. flapping mechanism; 1101. bracket; 1102. driving gear; 1103. driven gear; 1104. fixing frame; 1105. slide groove; 1106. slide plate; 1107. swing arm; 1108. arc plate; 12. ventilation channel. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] See also Figure 1 to Figure 7 As an embodiment of the present invention, a large-volume combustion engine air intake device capable of filtering impurities includes a support leg 1, a base frame 2 is provided on the support leg 1, an air intake bin 3 with a top opening is provided on the base frame 2, an air intake bin cover 4 is installed at the top opening of the air intake bin 3, a rotating shaft 10 is rotatably provided inside the air intake bin 3, an air filter element 8 for filtering impurities from the air in the air intake bin 3 is provided on the rotating shaft 10, the air filter element 8 has a sealed top end and an open bottom end, the top end is fixed to the rotating shaft 10, and the bottom end is rotatably installed on the bottom wall of the air intake bin 3.

[0035] An air intake duct 5 and an air outlet duct 6 are provided on the support leg 1. One end of the air intake duct 5 extends to the gap between the air intake bin 3 and the air filter element 8. The air intake duct 5 is used to intake air into the air intake bin 3. A ventilation channel 12 connected to the air filter element 8 is opened through the base frame 2 and the air intake bin 3. One end of the air outlet duct 6 is connected to the ventilation channel 12. The ventilation channel 12 is used to transport the air taken in from the air intake bin 3 and the gas filtered by the air filter element 8 to the interior of the large air volume combustion engine.

[0036] A beating mechanism 11 is provided in the air filter element 8 for beating the air filter element 8 to remove dust.

[0037] In this embodiment, gas enters the air intake bin 3 through the air intake pipe 5 and reaches the air filter 8 which reduces the flow rate. Large-sized solid particles and liquid particles are separated from the gas after being filtered by the air filter 8, and some of them gather at the bottom of the air intake bin 3, and some of them adhere to the outer wall of the air filter 8. At this time, the rotating shaft 10 is used to rotate the air filter 8 to generate centrifugal force to remove the particulate impurities adhered to the surface of the air filter 8, and the flapping mechanism 11 is used to flap the air filter 8 to remove dust, so that the particulate impurities adhered to the surface of the air filter 8 fall off. Therefore, when the filter element of the present invention is in use, the rotating shaft 10 drives the air filter 8 to rotate to generate centrifugal force to remove the particulate impurities adhered to the surface of the air filter 8, and the flapping mechanism 11 flaps the air filter 8 to remove dust, so that the impurities adhered to the surface can be cleaned up in time.

[0038] As a further solution of the present invention, a motor 9 is installed on the air inlet cover 4, and the output end of the motor 9 is connected to the rotating shaft 10 through a coupling, and the motor 9 is used to drive the rotating shaft 10 to rotate.

[0039] In this embodiment, the motor 9 is started and the motor 9 can drive the rotating shaft 10 to rotate automatically. The rotating shaft 10 drives the air filter element 8 to rotate to generate centrifugal force, which can remove the particulate impurities adhering to the surface of the air filter element 8 when the air filter element 8 filters impurities in the air, and the impurities adhering to its surface can be cleaned up in time.

[0040] As a further solution of the present invention, a pressure gauge 7 is installed on the air inlet pipe 5 and the air outlet pipe 6 respectively, and the pressure gauge 7 is used to detect the gas pressure in the air inlet pipe 5 and the air outlet pipe 6 respectively.

[0041] In this embodiment, the pressure of the gas entering the air intake pipe 5 and the air outlet pipe 6 can be detected in time by the barometer 7, so as to reasonably control the air intake flow rate.

[0042] As a further solution of the present invention, the outer diameter of the air filter element 8 is matched with the inner diameter of the air intake bin 3 , and there is a gap between the air filter element 8 and the air intake bin 3 .

[0043] In this embodiment, the gap between the air filter 8 and the air intake bin 3 makes it easier for the air entering the air intake bin 3 through the air intake pipe 5 to first reach the gap between the air filter 8 and the air intake bin 3 and then reach the inside of the air filter 8, thereby facilitating the filtering of intake impurities through the air filter 8.

[0044] As a further solution of the present invention, the beating mechanism 11 includes a bracket 1101 fixed to the inner bottom wall of the air intake bin 3 and a plurality of driving gears 1102 fixed on the rotating shaft 10, a plurality of driven gears 1103 are rotatably mounted on the bracket 1101, the driven gears 1103 are meshed with the driving gears 1102, a plurality of fixing frames 1104 are arranged on the bracket 1101, a slide groove 1105 is arranged on the fixing frame 1104, a slide plate 1106 is slidably engaged with the slide groove 1105, a swing arm 1107 is arranged between the slide plate 1106 and the driven gear 1103, the two ends of the swing arm 1107 are respectively hinged to the driven gear 1103 and the slide plate 1106, and an arc plate 1108 is arranged at one end of the slide plate 1106.

[0045] In this embodiment, the rotation of the rotating shaft 10 drives the driving gear 1102 to rotate, which drives the driven gear 1103 to rotate, drives the swing arm 1107 to swing, pulls the slide plate 1106 to move back and forth in the slide groove 1105, drives the arc plate 1108 to move back and forth, and beats the inner wall of the air filter element 8 during the rotation of the air filter element 8, so that the particulate impurities adhering to the surface of the air filter element 8 can be beaten off.

[0046] As a further solution of the present invention, multiple driving gears 1102 are vertically distributed at equal intervals on the rotating shaft 10, and multiple driven gears 1103 and fixing frames 1104 are vertically distributed at equal intervals on the bracket 1101. The driving gears 1102, driven gears 1103, and fixing frames 1104 exist in pairs.

[0047] In this embodiment, the driving gear 1102, the driven gear 1103, and the fixing frame 1104 are arranged in multiple and evenly spaced vertical distributions, and the inner wall of the air filter element 8 can be beat in all directions through coordinated linkage, so that the dust removal of the air filter element 8 is more thorough.

[0048] As a further solution of the present invention, the outer dimensions of the arc plate 1108 are matched with the inner dimensions of the air filter element 8, and a soft rubber layer is fixedly adhered to the surface of one side of the arc plate 1108 close to the inner wall of the air filter element 8.

[0049] In this embodiment, the soft rubber layer is soft in nature and can reduce the damage to the surface of the air filter element 8 caused by the arc plate 1108 hitting the inner wall of the air filter element 8, thereby extending the service life of the air filter element 8.

[0050] The working principle of the invention is as follows: gas enters the air intake bin 3 from the air intake pipe 5 and reaches the air filter 8 which reduces the flow rate. Large-sized solid particles and liquid particles are separated from the gas after being filtered by the air filter 8, and some of them are gathered at the bottom of the air intake bin 3, and some of them adhere to the outer wall of the air filter 8; the starter motor 9 drives the rotating shaft 10 to rotate, drives the air filter 8 to rotate to generate centrifugal force, and removes the particle impurities adhering to the surface of the air filter 8. The rotation of the rotating shaft 10 drives the driving gear 1102 to rotate and drives the driven gear 1103 to rotate, drives the swing arm 1107 to swing and pull the slide plate 1106 to move back and forth in the slide groove 1105, drives the arc plate 1108 to move back and forth, and slaps the inner wall of the air filter 8 during the rotation of the air filter 8, and drops the particle impurities adhering to the surface of the air filter 8; then the clean gas after filtering the impurities enters the inner side of the air filter 8, enters the inside of the air outlet pipe 6 through the air vent 12 at the bottom of the air filter 8, and is then transported to the air inlet of the large air volume combustion engine through the air outlet pipe 6.

[0051] The above embodiments are exemplary rather than restrictive, so the technical solutions of the present invention that can be implemented in other specific forms without departing from the spirit or basic features of the present invention are all included in the present invention.

Claims

1. A large air volume gas turbine air intake device capable of filtering impurities, comprising a support leg (1), characterized in that: The support leg (1) is provided with a base frame (2), the base frame (2) is provided with an air intake bin (3) with a top opening, an air intake bin cover (4) is installed at the top opening of the air intake bin (3), a rotating shaft (10) is rotatably provided inside the air intake bin (3), an air filter element (8) for filtering impurities from the air intake bin (3) is provided on the rotating shaft (10), the air filter element (8) is sealed at the top end and open at the bottom end, the top end is fixed to the rotating shaft (10), and the bottom end is rotatably installed on the bottom wall of the air intake bin (3); An air intake duct (5) and an air outlet duct (6) are provided on the support leg (1), one end of the air intake duct (5) extends to the gap between the air intake bin (3) and the air filter element (8), the air intake duct (5) is used to intake air into the air intake bin (3), a ventilation channel (12) connected to the air filter element (8) is provided through the base frame (2) and the air intake bin (3), one end of the air outlet duct (6) is connected to the ventilation channel (12), and the ventilation channel (12) is used to transport the air taken into the air intake bin (3) and filtered by the air filter element (8) to the interior of the high-volume combustion engine; The air filter element (8) is provided with a beating mechanism (11) for beating the air filter element (8) to remove dust.

2. A large air volume gas turbine air intake device capable of filtering impurities according to claim 1, characterized in that: A motor (9) is installed on the air inlet cover (4), and an output end of the motor (9) is connected to a rotating shaft (10) via a coupling, and the motor (9) is used to drive the rotating shaft (10) to rotate.

3. A large air volume gas turbine air intake device capable of filtering impurities according to claim 1, characterized in that: A pressure gauge (7) is installed on the air inlet pipe (5) and the air outlet pipe (6), respectively. The pressure gauge (7) is used to detect the gas pressure in the air inlet pipe (5) and the air outlet pipe (6), respectively.

4. A large air volume gas turbine air intake device capable of filtering impurities according to claim 1, characterized in that: The outer diameter of the air filter element (8) is matched to the inner diameter of the air intake bin (3), and a gap exists between the air filter element (8) and the air intake bin (3).

5. A large air volume gas turbine air intake device capable of filtering impurities according to claim 1, characterized in that: The flapping mechanism (11) comprises a bracket (1101) fixed to the inner bottom wall of the air inlet bin (3) and a plurality of driving gears (1102) fixed to the rotating shaft (10); a plurality of driven gears (1103) are rotatably mounted on the bracket (1101); the driven gears (1103) are meshed with the driving gears (1102); a plurality of fixing frames (1104) are arranged on the bracket (1101); a slide groove (1105) is arranged on the fixing frame (1104); a slide plate (1106) is slidably engaged with the slide groove (1105); a swing arm (1107) is arranged between the slide plate (1106) and the driven gear (1103); two ends of the swing arm (1107) are respectively hinged to the driven gear (1103) and the slide plate (1106); and an arc plate (1108) is arranged at one end of the slide plate (1106).

6. A large air volume gas turbine air intake device capable of filtering impurities according to claim 5, characterized in that: A plurality of driving gears (1102) are vertically distributed at equal intervals on the rotating shaft (10), and a plurality of driven gears (1103) and fixed frames (1104) are vertically distributed at equal intervals on the bracket (1101), and the driving gears (1102), driven gears (1103), and fixed frames (1104) exist in pairs.

7. A large air volume gas turbine air intake device capable of filtering impurities according to claim 5, characterized in that: The outer dimensions of the arc plate (1108) are matched to the inner dimensions of the air filter element (8), and a soft rubber layer is fixedly bonded to the surface of one side of the arc plate (1108) close to the inner wall of the air filter element (8).

8. A method for filtering impurities in a large air volume gas turbine air intake device as claimed in any one of claims 1 to 7, characterized in that: The steps include: S1, gas enters the air intake bin (3) through the air intake pipe (5) and reaches the air filter (8) which reduces the flow rate. Large-sized solid particles and liquid particles are filtered by the air filter (8) and separated from the gas. Some of them are gathered at the bottom of the air intake bin (3) and some are adhered to the outer wall of the air filter (8); S2, the rotation of the rotating shaft (10) drives the air filter element (8) to rotate to generate centrifugal force, and the particle impurities adhering to the surface of the air filter element (8) are thrown off. The rotation of the rotating shaft (10) drives the driving gear (1102) to rotate, and drives the driven gear (1103) to rotate, and drives the swing arm (1107) to swing and pull the slide plate (1106) to move back and forth in the slide groove (1105), and drives the arc plate (1108) to move back and forth. During the rotation of the air filter element (8), the inner wall of the air filter element (8) is slapped, and the particle impurities adhering to the surface of the air filter element (8) are dropped; S3, the clean gas after filtering out impurities enters the inner side of the air filter element (8), enters the inside of the air outlet pipe (6) through the air vent (12) at the bottom of the air filter element (8), and is then transported to the air inlet of the large air volume combustion engine through the air outlet pipe (6).

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