CN214787710U - Efficient air dehumidifying and filtering device of gas turbine - Google Patents
Efficient air dehumidifying and filtering device of gas turbine Download PDFInfo
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- CN214787710U CN214787710U CN202120498038.1U CN202120498038U CN214787710U CN 214787710 U CN214787710 U CN 214787710U CN 202120498038 U CN202120498038 U CN 202120498038U CN 214787710 U CN214787710 U CN 214787710U
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Abstract
The utility model relates to a high-efficient air dehumidification filter equipment of gas turbine, including design capacity filter equipment and the expansion filter equipment that admits air, design capacity filter equipment that admits air includes air inlet frame, rain-proof cover, fine filtration filter core, vertical baffle, air blowback pipeline, inlet chamber, U type tank bracket and colating filter core, and U type tank bracket is fixed at the horizontal air inlet face in the rain-proof cover, and the colating filter core is installed in U type tank bracket; the capacity-expanding air inlet filtering device comprises a capacity-expanding air inlet frame, an air inlet filter screen, a rough filter element and a fine filter element, wherein the air inlet filter screen is circumferentially arranged on the outer side surface of the capacity-expanding air inlet frame, a U-shaped groove frame is arranged on the air inlet filter screen, the rough filter element is arranged on the U-shaped groove frame, the fine filter element is arranged on the inner top surface of the capacity-expanding air inlet frame, the upper part of the capacity-expanding air inlet frame is a capacity-expanding air inlet pipeline, the capacity-expanding air inlet pipeline is communicated with an air inlet chamber, and the air of the two sets of air inlet devices is converged in the air inlet chamber and enters a gas turbine compressor. The utility model discloses can prolong filter core life, reduce spare parts cost, guarantee equipment safety.
Description
Technical Field
The utility model relates to a high-efficient air dehumidification filter equipment of gas turbine belongs to gas turbine equipment technical field.
Background
The air filtering device of the gas turbine generator set has the functions and effects of filtering dust and other particles in air, enabling clean air to enter the gas turbine from the air inlet system and ensuring the gas turbine generator set to safely and reliably operate and generate electricity. If the air filter is seriously blocked in operation, the air inflow of the gas turbine is reduced, the output power and the heat efficiency of a gas turbine generator set are reduced, and even a compressor surging is caused in serious conditions, so that the operation safety of the gas turbine is endangered. If the impurities in the air can not be effectively filtered, various organic and inorganic particle impurities in the air can generate scaling and corrosion at the through-flow part of the gas turbine due to the high temperature, block the cooling holes of the turbine blade, weaken the cooling effect and easily cause metal overtemperature.
Because the manufacturing of the combustion engine is mostly based on environmental standards and operating conditions in Europe and America, the combustion engine has great difference with domestic actual use conditions, which mainly shows in the aspects of geographic environment, investment, operating hours, annual average load, maintenance frequency and the like, and the filtering efficiency and the service life of the filtering system are influenced. In the prior art, the design capacity air inlet filtering device comprises an air inlet frame, a rain cover, a fine filtering filter element, a vertical partition plate, an air back blowing pipeline, a maintenance channel and an air inlet chamber, wherein the rain cover is arranged on the vertical face of the air inlet frame and is arranged in a layered mode to play a role in preventing rain and separating water drops, the maintenance channel is arranged behind the rain cover, the fine filtering filter element is arranged on the other side of the maintenance channel, the fine filtering filter element is horizontally arranged on the side face of the vertical partition plate in the air inlet frame, the air back blowing pipeline is arranged in the air inlet chamber, the air back blowing filter element is reversely blown to the air inlet side of the fine filtering filter element by the air inlet chamber, the structure is affected by severe weather and environments such as haze and the like, the air back blowing effect is poor, the service life of the filter element is always low and far short of designed operation hours, and the filter element of the air filter is frequently replaced, so that the operation cost is too high. Therefore, the service life of the air filter element of the gas turbine air inlet system is prolonged, the unit can maintain safe operation for a long time, and meanwhile, the operation cost is reduced, so that the air filter element becomes a practical problem in the presence of technicians.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a high-efficient air dehumidification filter equipment of gas turbine is provided, can effectively reduce in bad weather such as rain, snow, fog, haze and spring willow wadding period of sending out more, the filter core blocks up the serious influence to the high-efficient steady operation of unit to extension filter core life, reduction spare parts cost, guarantee equipment safety.
The technical scheme for solving the technical problems is as follows:
the utility model provides a high-efficient air dehumidification filter equipment of gas turbine, admits air filter equipment and expands to hold and admit air filter equipment including design capacity, design capacity admits air filter equipment and includes frame, rain-proof cover, essence filter core, perpendicular baffle, air blowback pipeline and air inlet chamber of admitting air, and its improvement part is: the device also comprises a U-shaped groove frame and a rough filtration filter element, wherein the U-shaped groove frame is fixed on a horizontal air inlet surface in the rain-proof cover, and the rough filtration filter element is arranged in a clamping groove of the U-shaped groove frame;
the dilatation filter equipment that admits air, including the dilatation frame of admitting air, the filter screen that admits air, colating filter core and essence filter core, the dilatation frame lateral surface circumference installation filter screen that admits air, installation U type tank bracket on the filter screen that admits air, the colating filter core is installed on U type tank bracket, the essence filters the filter core and installs the top surface in the dilatation frame of admitting air, dilatation frame upper portion of admitting air is for the dilatation admission line, the dilatation admission line communicates with each other with the intake chamber of the filter equipment that admits air of design capacity, two sets of intake apparatus air converge at the intake chamber, get into the gas turbine compressor.
The efficient air dehumidifying and filtering device for the gas turbine is characterized in that the capacity expansion air inlet frame of the capacity expansion air inlet filtering device is of a square structure, the bottom of the capacity expansion air inlet frame is sealed, and the top of the capacity expansion air inlet frame is provided with the rain cover all around.
The efficient air dehumidifying and filtering device for the gas turbine is characterized in that a horizontal partition plate is installed at the inner top of an air inlet frame of the expansion air inlet filtering device, the tops of a plurality of fine filtering filter elements are installed on the horizontal partition plate, and the plurality of fine filtering filter elements are parallel to each other.
The efficient air dehumidifying and filtering device for the gas turbine is characterized in that a dust exhaust fan and an ash hopper are arranged at the bottom of an air inlet frame of the designed capacity air inlet filtering device.
Foretell high-efficient air dehumidification filter equipment of gas turbine, the dilatation filter equipment that admits air passes through the dilatation admission line with the inlet chamber that the filter equipment was admitted air to the design capacity and is connected, and the junction is equipped with the connecting bend, and the inside guide vane that is equipped with of connecting bend, guide vane both ends and connecting bend inner wall are fixed.
The utility model relates to a capacity filter equipment that admits air sets up before gas turbine air compressor machine inlet chamber, for improving essence filter core life, increase the coarse filtration filter core behind rain-proof cover, the air filters the filter core through the coarse filtration filter core, the essence in proper order and gets into the air compressor machine inlet chamber, the filter core every group is strained to the air intake system essence is equipped with the air blowback return circuit, in service or off-line utilize compressed air to carry out the blowback to the essence filter core, the part dust in the detached part filter core, debris, reduce filter core pressure differential, the air intake frame bottom is equipped with dust exhaust fan and ash bucket. The capacity-expansion air inlet filtering device is arranged in front of an air inlet chamber of the gas turbine air compressor, the capacity expansion is configured according to the designed air inlet amount of 60%, air enters the air inlet chamber of the air compressor through an air inlet filter screen, a rough filter element and a fine filter element in sequence, and the bottom of an air inlet system is closed. The capacity air inlet filtering device and the capacity expansion air inlet filtering device are designed, and air is converged in an air inlet chamber after being filtered by a coarse filtering filter element and a fine filtering filter element respectively in two stages and then enters an air compressor through an air inlet channel of the air compressor for compression.
The utility model has the advantages that:
the utility model adopts two sets of air inlet devices, and one set of air inlet device is configured according to the design capacity; the other set is subjected to capacity expansion configuration on the basis of the designed capacity, the capacity expansion capacity of the other set is 60% of the capacity of the original air inlet system, the number of filter elements can be increased to the maximum extent, and interference with other equipment is avoided. The filtering air quantity of each set of filter element is reduced by increasing the number of the filter elements. According to the filtration theory, the filtration area is increased by 60%, and the service life can be doubled. The two sets of air inlet systems are additionally provided with air inlet rough filtering filter elements simultaneously, so that the primary filtering effect is achieved, large-particle dust, poplar catkin and other impurities are blocked on the outer surface of the rough filtering filter elements, the relative cleanness of the fine filtering filter elements is kept, and the dehumidifying effect can be achieved. The utility model improves the effect and precision of the air filtering system by carrying out capacity expansion transformation on the conventional air inlet device of the gas turbine, and ensures the long-period high-efficiency operation of the gas turbine; can effectively reduce in bad weather such as rain, snow, fog, haze and spring poplar willow wadding period of sending out more, the filter core blocks up the serious influence to the high-efficient steady operation of unit to extension filter core life, reduction spare parts cost, guarantee equipment safety.
Drawings
FIG. 1 is a cross-sectional view of a design capacity intake air filter arrangement;
FIG. 2 is a cross-sectional view of the expanded inlet air filter assembly;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic view of a U-shaped channel frame;
the figures are labeled as follows: the air inlet frame 1, the rain cover 2, the fine filtration filter element 3, the vertical partition plate 4, the air back-blowing pipeline 5, the air inlet chamber 6, the U-shaped groove frame 7, the rough filtration filter element 8, the expansion air inlet frame 9, the air inlet filter screen 10, the expansion air inlet pipeline 11, the horizontal partition plate 12, the dust exhaust fan 13, the dust hopper 14, the connecting bent pipe 15, the guide vane 16 and the maintenance channel 17.
Detailed Description
FIG. 3 shows a high efficiency air dehumidifying and filtering device for a gas turbine, which comprises a designed capacity inlet air filtering device and a capacity expansion inlet air filtering device; fig. 1 and fig. 3 show that the designed capacity air intake filter device comprises an air intake frame 1, a rain cover 2, a fine filtration filter element 3, a vertical partition plate 4, an air back-blowing pipeline 5 and an air intake chamber 6, wherein the rain cover 2 is installed on a vertical surface of the air intake frame 1 and is arranged in a layered manner to play a role in rain-proof water droplet separation, the fine filtration filter element 3 is arranged on the other side inside the air intake frame 1, the fine filtration filter element 3 is horizontally installed on the side surface of the vertical partition plate 4 in the air intake frame 1, the air intake chamber 6 is arranged on the other side of the vertical partition plate 4, the air back-blowing pipeline 5 is installed in the air intake chamber 6 and is reversely blown to the air intake side of the fine filtration filter element 3 by the air intake chamber 6; the device also comprises a U-shaped groove frame 7, a rough filtration filter element 8, a dust exhaust fan 13 and an ash bucket 14; a U-shaped groove frame 7 is fixed on a horizontal air inlet surface in the rain cover 2, and a rough filtering filter element 8 is arranged in a clamping groove of the U-shaped groove frame 7; the dust exhaust fan 13 and the dust hopper 14 are arranged at the bottom of the air inlet frame 1;
fig. 2 and fig. 3 show that the capacity-expansion air-intake filtering device comprises a capacity-expansion air-intake frame 9, an air-intake filter screen 10, a rough-filtration filter element 8, a rain-proof cover 2, a fine-filtration filter element 3 and a horizontal partition plate 12, wherein the capacity-expansion air-intake frame 9 is of a square structure, the bottom of the capacity-expansion air-intake frame is closed, the rain-proof cover 2 is arranged around the top, the horizontal partition plate 12 is arranged at the inner top of the capacity-expansion air-intake frame, the tops of a plurality of fine-filtration filter elements 3 are arranged on the horizontal partition plate 12, and the fine-filtration filter elements 12 are parallel to each other; the outer side surface of the expansion air inlet frame 9 is circumferentially provided with an air inlet filter screen 10, the air inlet filter screen 10 is provided with a U-shaped groove frame 7, a rough filter element 8 is arranged on the U-shaped groove frame 7, the upper part of the expansion air inlet frame 9 is an expansion air inlet pipeline 11, the expansion air inlet pipeline 11 is communicated with an air inlet chamber 6 of the designed capacity air inlet filter device, and the air of the two sets of air inlet devices is converged in the air inlet chamber 6 and enters the gas compressor of the gas turbine.
Fig. 4 is a schematic view of a U-shaped trough frame, and the coarse filtration filter element 8 is installed in a clamping groove of the U-shaped trough frame.
The utility model relates to a capacity filter equipment that admits air disposes according to gas turbine design air intake volume, the filtration form adopts "pulse self-cleaning formula filter", is interrupted to carry out the blowback to the essence filter core 3 by compressed air, detach the part laying dust on essence filter core 3 surface, for improving the life of essence filter core 3, behind rain-proof cover 2, add U type groove frame 7, and horizontal installation colating filter core 8 in U type groove frame 7, the filter media of colating filter core 8 uses thickening non-woven fabrics material, the dust capacity is high, it is good to remove water, dust removal effect, can effectively protect essence filter core 3 of low reaches, prolong its life; the fine filtering filter elements 3 are made of high-efficiency wood pulp fiber filter paper, have good bursting strength and are single-stage filtering, and each 2 filter elements are a group and are divided into cones and cylinders which are horizontally arranged on the vertical partition plate 4 to separate dirty air from clean air; the fine filter element 3 is made into a pleated shape by taking special moisture-proof paper as a medium, the air flow rate is 2.5m3/min, the filtered particles are attached to the outer surface of the fine filter element 3, the air inlet resistance is increased, when the resistance reaches an alarm value, the air back-blowing pipeline 5 is automatically started, the pulse air with the pressure of about 0.69MPa and the pulse time of 0.1 second is sprayed to the dirty air side from the clean air side to form one-time instant reverse flow impact, the attachments are blown off, and the pulse air enters the bottom ash hopper 14 from top to bottom under the action of gravity and is discharged by the ash discharge fan 13; when the resistance of the fine filter element 3 falls back to a set value, the back flushing is automatically stopped.
The utility model discloses the dilatation air inlet frame 9 that adds the dilatation air inlet filter equipment is square structure, is equipped with rain-proof cover 2 on it, and air inlet filter screen 10 is vertically arranged around dilatation air inlet frame 9, plays the entering of preventing birds, large granule debris etc. installs U type tank bracket 7 behind air inlet filter screen 10, and increases and installs colating filter core 8 in U type tank bracket 7, and the filter media uses thickening non-woven fabrics material, holds the dirt height, and dewatering, dust removal effect are good; the fine filtration filter element 3 adopts high-efficiency wood pulp fiber filter paper, has better bursting strength, is single-stage filtration, and is divided into a cone and a cylinder by every 2 filter elements which are vertically arranged on the horizontal clapboard 12 to separate dirty air from clean air. Experiments show that for the same filter element, under the condition of high humidity, the horizontal structure is easier to scrap than the vertical structure, so that the design mode that the fine filtration filter element 3 is vertically arranged on the horizontal partition plate 12 plays a better role in haze weather. In addition, the added coarse filter element 8 serves as a prefilter for protecting the fine filter element 3, which also significantly increases the service life of the fine filter element 3, the initial resistance of which can be set at 25 Pa.
The utility model discloses carry out the dilatation to the original design capacity air intake filter equipment of gas turbine, increase the air input, parallelly connected the use, for making the design air intake system life-span increase one time, then the design sectional area of dilatation air intake device should be 60% of former system, and dilatation inlet duct 11 establishes to square.
Fig. 3 shows, the utility model discloses dilatation filter equipment that admits air passes through dilatation admission line 11 with design capacity filter equipment's inlet chamber 6 and is connected, and the junction is equipped with connecting bend 15, and connecting bend 15 is inside to be equipped with guide vane 16.
For the capacity-expansion air inlet filtering device, when air enters the capacity-expansion air inlet pipeline 11, the flow is contracted and the local flow is accelerated due to the orifice plate effect, after the air enters the connecting bent pipe 15 in front of the air inlet chamber 6, the average flow velocity of the air flow is obviously reduced due to the increase of the flow area, the air flow velocity near the inner side of the connecting bent pipe 15 is higher, the air flow velocity at the outer side is lower, and the air flow is obviously uneven, so that a plurality of guide vanes 16 which are parallel to each other are arranged in the connecting bent pipe 15 in front of the air inlet chamber 6, and the guide vanes 16 are welded and fixed with the inner wall of the connecting bent pipe; when the air flow of the capacity-expansion air inlet filtering device is converged, the air flow is divided and enters, the air flow is uniform in the transverse direction, the flowing direction of the air flow is basically downward after the air flow passes through the connecting bent pipe 15, and the impact influence on the downstream flowing side is avoided.
The utility model discloses enable the gas turbine and keep high-efficient steady operation in bad weather such as rain, snow, fog, haze and the multiple period such as spring poplar catkin, meet inlet pressure difference and increase at the excessive speed, can utilize inlet frame 1, the artifical colating filter core 8 and the fine filtration filter core 3 of changing online of maintenance channel 17 in the dilatation inlet frame 9, make pressure difference fall back to play the protection filter core, extension filter core life's effect has reduced the operation maintenance cost.
Claims (5)
1. The utility model provides a high-efficient air dehumidification filter equipment of gas turbine which characterized in that: the air inlet filtering device comprises a designed capacity air inlet filtering device and a capacity expansion air inlet filtering device, wherein the designed capacity air inlet filtering device comprises an air inlet frame (1), a rain cover (2), a fine filtering filter element (3), a vertical partition plate (4), an air back blowing pipeline (5), an air inlet chamber (6), a U-shaped groove frame (7) and a rough filtering filter element (8), the U-shaped groove frame (7) is fixed on a horizontal air inlet surface in the rain cover (2), and the rough filtering filter element (8) is arranged in a clamping groove of the U-shaped groove frame (7);
dilatation filter equipment that admits air, including dilatation air intake frame (9), filter screen (10) admits air, colating filter core (8) and essence filter core (3), filter screen (10) admits air is admitted in the installation of the lateral surface circumference of dilatation air intake frame (9), install U type tank bracket (7) on filter screen (10) admits air, colating filter core (8) are installed on U type tank bracket (7), the interior top surface at dilatation air intake frame (9) is installed in essence filter core (3), the upper portion of admitting air frame (9) is dilatation admission line (11), dilatation admission line (11) communicate with each other with intake chamber (6) that design capacity admitted air filter equipment, two sets of admission apparatus air join in admission chamber (6), get into the gas turbine compressor.
2. The efficient air dehumidifying and filtering device for a gas turbine as claimed in claim 1, wherein: dilatation filter equipment admits air's dilatation frame (9) that admits air is square structure, and its bottom seals, and rain-proof cover (2) are installed all around at the top.
3. The efficient air dehumidifying and filtering device for a gas turbine as claimed in claim 1, wherein: the capacity-expansion air-intake filtering device is characterized in that a horizontal partition plate (12) is arranged at the inner top of a capacity-expansion air-intake frame (9), the tops of a plurality of fine filtering filter elements (3) are arranged on the horizontal partition plate (12), and the plurality of fine filtering filter elements (3) are parallel to each other.
4. The efficient air dehumidifying and filtering device for a gas turbine as claimed in claim 1, wherein: the bottom of the air inlet frame (1) of the designed capacity air inlet filtering device is provided with a dust exhaust fan (13) and an ash bucket (14).
5. The efficient air dehumidifying and filtering device for a gas turbine as claimed in claim 1, wherein: the dilatation filter equipment that admits air passes through dilatation inlet duct (11) with inlet chamber (6) of design capacity filter equipment that admits air and is connected, and the junction is equipped with connecting bend (15), and connecting bend (15) inside is equipped with guide vane (16), and the both ends of guide vane (16) are fixed with the inner wall of connecting bend (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120498038.1U CN214787710U (en) | 2021-03-09 | 2021-03-09 | Efficient air dehumidifying and filtering device of gas turbine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120498038.1U CN214787710U (en) | 2021-03-09 | 2021-03-09 | Efficient air dehumidifying and filtering device of gas turbine |
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| CN214787710U true CN214787710U (en) | 2021-11-19 |
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| CN202120498038.1U Active CN214787710U (en) | 2021-03-09 | 2021-03-09 | Efficient air dehumidifying and filtering device of gas turbine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370482A (en) * | 2022-10-24 | 2022-11-22 | 成都纵横大鹏无人机科技有限公司 | Air inlet device and air inlet method for aircraft |
| CN117722275A (en) * | 2024-02-07 | 2024-03-19 | 山东宏达科技集团有限公司 | Gas turbine device for heat exchanger |
-
2021
- 2021-03-09 CN CN202120498038.1U patent/CN214787710U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370482A (en) * | 2022-10-24 | 2022-11-22 | 成都纵横大鹏无人机科技有限公司 | Air inlet device and air inlet method for aircraft |
| CN115370482B (en) * | 2022-10-24 | 2023-03-07 | 成都纵横大鹏无人机科技有限公司 | Air inlet device and air inlet method for aircraft |
| CN117722275A (en) * | 2024-02-07 | 2024-03-19 | 山东宏达科技集团有限公司 | Gas turbine device for heat exchanger |
| CN117722275B (en) * | 2024-02-07 | 2024-05-07 | 山东宏达科技集团有限公司 | Gas turbine device for heat exchanger |
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