CN104514634B - A kind of blade-rotation air filtering apparatus - Google Patents
A kind of blade-rotation air filtering apparatus Download PDFInfo
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- CN104514634B CN104514634B CN201410697373.9A CN201410697373A CN104514634B CN 104514634 B CN104514634 B CN 104514634B CN 201410697373 A CN201410697373 A CN 201410697373A CN 104514634 B CN104514634 B CN 104514634B
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- filter
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- cartridge filter
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Abstract
The invention belongs to gas turbine technology field, disclose a kind of blade-rotation air filtering apparatus, the problem that the filter efficiency that the Partial filtration layer existed for solving existing cartridge filter does not fully use and exists is low.The present invention includes thick effect filtrating equipment and self-cleaning filter, thick effect filtrating equipment and self-cleaning filter interval be arranged in the gas-entered passageway of gas turbine, self-cleaning filter comprises multiple cartridge filter in gas-entered passageway that is arranged above and below, cartridge filter is equipped with the anti-blowpipe be communicated with external compressed air source through pipeline, and anti-blowpipe is arranged in the gas-entered passageway of cartridge filter rear end; Cartridge filter comprises cartridge filter skeleton, cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, outer metal net layer and interior metal net layer form three around tubular cartridge filter skeleton, filter layer is provided with between outer metal net layer and interior metal net layer, interior metal net layer is provided with spiral stream guidance bar, and spiral stream guidance bar is inclined on interior metal net layer.
Description
Technical field
The invention belongs to gas turbine technology field, be specifically related to a kind of blade-rotation air filtering apparatus for filtering the air entering gas turbine, the present invention can also be used for the air purification filter of other field.
Background technique
Gas turbine be a kind of using the gas of continuous-flow as working medium the thermal power transfer rotary power machinery that is mechanical work.In the main flow of air and combustion gas, primarily of this three large parts composition gas turbine cycle of gas compressor, firing chamber and combustion gas turbine.
Gas compressor sucks air from ambient atmosphere environment, and compresses step by step through axial-flow compressor and make it supercharging, simultaneously humidity of the air also corresponding raising; Pressurized air is pressed to firing chamber and the combustion gas of fuel mix production High Temperature High Pressure sprayed into; And then enter into turbine expansion work, promote turbine and drive gas compressor High Rotation Speed together with outer load rotor, the chemical energy achieving gas and liquid fuel is mechanical energy, and exports electric work.
The inlet stream of gas turbine blower and the combustion air of gas turbine must carry out purified treatment before being introduced into gas compressor.Modal is adopt the fabric filter of machinery to purify above-mentioned air inlet, and the corrosive and dirty particle of preventing belt enters gas compressor and turbine, thus prevents corrosion and the breakage of equipment, and the workload reducing cleaning and keep in repair.Gas turbine for the production of the energy needs a large amount of combustion airs, therefore, even the impurity of trace all can cause in use producing a large amount of sediments, so require filtration combustion air as far as possible effectively.
Prior art all adopts the cartridge filter of low efficient filter and self-cleaning filter to carry out filtration, purification, such as application number be 200810234512.9 patent of invention disclose a kind of hook type air filter cartridge, comprise the dividing plate in filtration barrel body and casing, the wherein vent of filtration barrel body upper end on casing internal partition, interior annular facade is connected with at least two to be spaced and the parallel hook plate protruded from above annular top surface, vent edge on casing internal partition is shaped with the breach suitable with hook plate, when hook plate is headed in breach, it is lower to the upper surface flush with casing internal partition, the lower surface of seal ring and casing internal partition is fitted, filtration barrel body upper end spiral-lock has the upper fixed cover of annular, and its lower end spiral-lock has the lower fixed cover of closed filtration barrel body lower end surface, the inside and outside annular facade that the inside and outside circle edge that the annular surface of upper fixed cover also has circular top plane and annularly pushes up plane bends, circular top plane is fixedly connected with seal ring, hook plate waits point interval along the ring week of upper fixed cover, the profile of hook plate is the C shape that integrally bending becomes arc, and breach is arc, and the lower edge of hook plate C shape epimere is formed with hypotenuse, and hypotenuse and horizontal plane angle 5-15 to be spent.
Application number be 200820039421.5 utility model patent disclose one more core type energy-saving air cartridge filter, be made up of upper and lower end cap and the inside and outside protecting wire net of tubular, filter core is contained in tubular protecting wire net, the upper and lower end cap liner inner end cap of filter cylinder, upper and lower inner end cap and the inside and outside protecting wire net of tubular are fixed at the upper and lower end of air filtration cartridge respectively, and filter core is placed in inside and outside tubular between protecting wire net, the shape of cartridge filter and filter core is cylindrical tube, conic tube, elliptical cylinder.
Application number be 201110246200.1 patent of invention disclose a kind of detachable air filter cartridge, comprise upper cover and lower cover, interior Mild Steel Expanded Sheets and outer Mild Steel Expanded Sheets are arranged between upper cover and lower cover, filter core is arranged between interior Mild Steel Expanded Sheets and outer Mild Steel Expanded Sheets, on cover and be provided with sealing gasket, ringwise, the inward flange of upper cover is provided with in-flanges to upper cover, the outward edge of upper cover is provided with flanging, and the inner side of in-flanges is symmetrically arranged with at least two locking lugs; Lower cover is rounded, and the outward edge of lower cover is provided with lower cover flange, and the central authorities of lower cover are provided with sphere projection, and the center of lower cover is provided with mounting hole, and the sphere projection of lower cover is connected with locking screw, locking screw quantity and position corresponding with locking lug; Be provided with sealing gasket between upper cover and filter core, be provided with lower seal pad between lower cover and filter core, upper cover and lower cover are by locking screw and lock the two ends that upper sealing gasket and lower seal pad to be pressed on filter core, interior Mild Steel Expanded Sheets and outer Mild Steel Expanded Sheets by lug.Filter core, interior Mild Steel Expanded Sheets and outer Mild Steel Expanded Sheets are cylindrical shape.Filter core, interior Mild Steel Expanded Sheets and outer Mild Steel Expanded Sheets are cone barrel type.
Application number be 201120108628.5 utility model patent disclose a kind of air filter cartridge for fan, comprise cylindrical skeleton, the end face of skeleton covers top board, and circumferential surface and the end face of skeleton are coated with filter cloth cover.
Application number be 201420050148.1 utility model patent disclose a kind of gas mould blower cartridge filter, comprise cylindrical shell, one end of cylindrical shell is provided with filter screen, cylindrical shell is made up of the filtration grating that many are left gap each other, cylindrical shell is also provided with fixing bolt, the suction port end of cylindrical shell is provided with guide pipe, and guide pipe is inclined upwardly into 60 ° to 90 °; Spacing between filtration grating on cylindrical shell is 3-5mm.Sieves strip adoption metal bar or plastic strip are made.
As the cartridge filter told about above, pressurized air is all directly introduced in cartridge filter by breathing pipe, and is filtered by the filter core be arranged on cartridge filter.But existing cartridge structure design, because the pressurized air introduced by breathing pipe all also exists pressure, therefore the filter element filtering effect facing breathing pipe is better, and just not there is not the low problem of utilization efficiency to the filter core of breathing pipe, thus causes the inefficient problem of filter cartridge.
Summary of the invention
The problem that the filter efficiency that the present invention exists in order to the Partial filtration layer solving the existence of existing cartridge filter does not fully use is low, and a kind of blade-rotation air filtering apparatus is provided, the filter core on cartridge filter can be made to filter, thus improve filter efficiency.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of blade-rotation air filtering apparatus, comprise thick effect filtrating equipment and self-cleaning filter, described thick effect filtrating equipment and self-cleaning filter interval be arranged in the gas-entered passageway of gas turbine, it is characterized in that, described self-cleaning filter comprises multiple cartridge filter in gas-entered passageway that is arranged above and below, described cartridge filter is equipped with the anti-blowpipe be communicated with through pipeline external source of compressed air, and described anti-blowpipe is arranged in the gas-entered passageway of cartridge filter rear end; Described cartridge filter comprises cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, described outer metal net layer and interior metal net layer form three around tubular cartridge filter skeleton, filter layer is provided with between described outer metal net layer and interior metal net layer, described interior metal net layer is provided with spiral stream guidance bar, and described spiral stream guidance bar is inclined on interior metal net layer.
The length that described spiral stream guidance bar extends interior metal net layer increases gradually along with Hand of spiral.
Described spiral stream guidance bar offers vent.
Described thick effect filtrating equipment comprises the low efficient filter that connecting rod and polylith are arranged above and below, the upper end thereof of each low efficient filter is in gas-entered passageway, the other end of each low efficient filter is all hinged on same connecting rod, the bottom surface being positioned at gas-entered passageway low efficient filter is bottom hinged with the cylinder or oil hydraulic cylinder that can stretch, and the other end of described cylinder or oil hydraulic cylinder is hinged on the bottom in gas-entered passageway.
Described low efficient filter through connecting rod rotating shaft together with rod hinge connection.
The periphery of described low efficient filter is coated with sealed frame.
Sealing gasket is provided with between described low efficient filter and sealed frame.
Described connecting rod offers pin shaft hole, and described connecting rod rotating shaft, through described pin shaft hole and rod hinge connection, is provided with rubber elasticity block between pin shaft hole and connecting rod rotating shaft.
The gas-entered passageway of described thick effect filtrating equipment front end is equipped with water mist separator.
Compared with prior art, the present invention has following beneficial effect:
Blade-rotation air filtering apparatus of the present invention, comprise thick effect filtrating equipment and self-cleaning filter, described thick effect filtrating equipment and self-cleaning filter interval be arranged in the gas-entered passageway of gas turbine, described self-cleaning filter comprises multiple cartridge filter in gas-entered passageway that is arranged above and below, described cartridge filter is equipped with the anti-blowpipe be communicated with external compressed air source through pipeline, and described anti-blowpipe is arranged in the gas-entered passageway of cartridge filter rear end; Described cartridge filter comprises cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, described outer metal net layer and interior metal net layer form three around tubular cartridge filter skeleton, filter layer is provided with between described outer metal net layer and interior metal net layer, described interior metal net layer is provided with spiral stream guidance bar, and described spiral stream guidance bar is inclined on interior metal net layer.First the air entered in gas-entered passageway filters through thick effect filtrating equipment, then filtered by the cartridge filter of self-cleaning filter, the present invention by being provided with spiral stream guidance bar on interior metal net layer, pressurized air is incorporated into uniformly on filter layer under the effect of spiral stream guidance bar, make the filter layer of whole cartridge filter can both carry out filtration, purification to air, thus improve filter efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention, and wherein, the direction of arrow represents the traffic direction of air-flow;
Fig. 2 is the structural representation of cartridge filter of the present invention;
Plan view structural representation when Fig. 3 is low efficient filter device of the present invention unlatching (low efficient filter work);
Side view structural representation when Fig. 4 is low efficient filter device of the present invention unlatching (low efficient filter work);
Structural representation when Fig. 5 is low efficient filter device of the present invention closedown (low efficient filter does not work);
Fig. 6 is the connection diagram of connecting rod of the present invention and connection rotating shaft;
Mark in figure: 1, gas-entered passageway, 2, slightly imitate filtrating equipment, 3, self-cleaning filter, 4, cartridge filter, 5, pipeline, 6, anti-blowpipe, 7, water mist separator, 8, outer metal net layer, 9, filter layer, 10, interior metal net layer, 11, spiral stream guidance bar, 12, vent, 13, low efficient filter, 14, connecting rod, 15, cylinder, 16, sealed frame, 17, rubber elasticity block, 18, connecting rod rotating shaft.
Embodiment
Below in conjunction with embodiment, the invention will be further described, and described embodiment is only the present invention's part embodiment, is not whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection scope of the present invention.
Composition graphs 1 and Fig. 2, blade-rotation air filtering apparatus of the present invention, comprise thick effect filtrating equipment 2 and self-cleaning filter 3, in the gas-entered passageway 1 being arranged on gas turbine at described thick effect filtrating equipment 2 and self-cleaning filter 3 interval, described self-cleaning filter 3 comprises multiple cartridge filter 4 in gas-entered passageway 1 that is arranged above and below, described cartridge filter 4 is equipped with the anti-blowpipe 6 be communicated with external compressed air source through pipeline 5, and described anti-blowpipe 6 is arranged in the gas-entered passageway 1 of cartridge filter 4 rear end; Described cartridge filter 4 comprises cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer 8 and interior metal net layer 10, described outer metal net layer 8 and interior metal net layer 10 form three around tubular cartridge filter skeleton, filter layer 9 is provided with between described outer metal net layer 8 and interior metal net layer 10, described interior metal net layer 10 is provided with spiral stream guidance bar 11, and described spiral stream guidance bar 11 is inclined on interior metal net layer 10.First the air entered in gas-entered passageway filters through thick effect filtrating equipment 2, then filtered by the cartridge filter 4 of self-cleaning filter 3, the present invention by being provided with spiral stream guidance bar 11 on interior metal net layer 10, pressurized air is incorporated into uniformly on filter layer 9 under the effect of spiral stream guidance bar 11, make the filter layer 9 of whole cartridge filter 4 can both carry out filtration, purification to air, thus improve filter efficiency.
The suction port towards cartridge filter 4 that spiral stream guidance bar 11 of the present invention tilts, makes the air entered in cartridge filter 4 can be introduced directly on spiral stream guidance bar 11, improves the ability of spiral stream guidance bar 11 distributed air, thus improves filter efficiency of the present invention.
As a kind of preferred mode of the present invention, the length that spiral stream guidance bar 11 extends interior metal net layer 10 increases gradually along with Hand of spiral, the ability of spiral stream guidance bar 11 air distribution can be improved further, spiral stream guidance bar 11 before and after making can both distribute air, makes whole filter layer 9 to carry out filtration, purification.
Spiral stream guidance bar 11 of the present invention offers vent 12, is convenient to the mobility improving air, thus improves the filtering effect of filter layer 9.
Composition graphs 3, Fig. 4 and Fig. 5, thick effect filtrating equipment 2 comprises the low efficient filter 13 that connecting rod 14 and polylith are arranged above and below, the upper end thereof of each low efficient filter 13 is in gas-entered passageway 1, the other end of each low efficient filter 13 is all hinged on same connecting rod 14, the bottom surface being positioned at gas-entered passageway 1 low efficient filter 13 is bottom hinged with the cylinder 15 or oil hydraulic cylinder that can stretch, and the other end of cylinder 15 or oil hydraulic cylinder is hinged on the bottom in gas-entered passageway 1.One end of each low efficient filter 13 is hinged in gas-entered passageway, and the other end is hinged with connecting rod 14, and the low efficient filter 13 being positioned at lower end is hinged with cylinder 15 or oil hydraulic cylinder, makes each low efficient filter 13 can rotate thus form the structure of blade-rotation.When needs low efficient filter 13 works time (haze weather, catkin weather etc.), the setting (with reference to accompanying drawing 3 and Fig. 4) that each low efficient filter 13 tilts slightly imitates filtration in the gas-entered passageway 1 of gas turbine, coarse filtration is carried out to the air entered, filter out large particle thus protect self-cleaning filter, improving the working life of self-cleaning filter 3; In time not needing low efficient filter 13 to work, connecting rod 14 moves up and drives each low efficient filter 13 to rotate until horizontal position (with reference to accompanying drawing 5) under the effect of cylinder 15 or oil hydraulic cylinder, there is between neighbouring low efficient filter 13 passage of air flowing, directly utilize self-cleaning filter 3 to filter.Thus realize to decide opening and closing low efficient filter 13 according to weather, solve the impact of the filter layer 9 not using low efficient filter 13 on self-cleaning filter 3, avoid the impact of Long-Time Service low efficient filter 13 on gas handling system crushing simultaneously.
The present invention is simultaneously arranged in gas-entered passageway 1, is controlled the opening and closing of low efficient filter 13 by cylinder 15 or oil hydraulic cylinder, without the need to artificial unloading and installation, reduces labour cost.
The present invention by manually carrying out the flexible of control cylinder or oil hydraulic cylinder, also can arrange air quality probe and detecting air quality, and the SC sigmal control cylinder 15 of air quality probe or the flexible of oil hydraulic cylinder, improve practicability of the present invention.Cylinder 15 of the present invention or oil hydraulic cylinder also can be replaced with the shrinking structure of mechanical structure, as long as can realize Telescopic, all belong to protection scope of the present invention.
With reference to Fig. 6, as the mode of a kind of selection of the present invention, low efficient filter 13 is hinged through connecting rod rotating shaft 18 and connecting rod 14.Connecting rod 14 offers pin shaft hole, connecting rod rotating shaft 18 through described pin shaft hole and connecting rod 14 hinged, be provided with rubber elasticity block 17 between pin shaft hole and connecting rod rotating shaft 18, thus realize the sealing between connecting rod 14 and connecting rod rotating shaft 18.
The periphery of low efficient filter 13 of the present invention is coated with sealed frame 16, improves the effect of sealing, thus improves airfiltering efficiency.
Further, sealing gasket is provided with between low efficient filter 13 and sealed frame 16.
Being equipped with water mist separator 7 in the gas-entered passageway 1 of thick effect filtrating equipment 2 front end of the present invention, for carrying out water smoke separation to the air entered, ensureing the humidity of filtered air.
Wherein low efficient filter 13, cylinder 15, oil hydraulic cylinder and water mist separator 7 belong to prior art products, and those skilled in the art can understand and understand, and does not repeat them here.
Claims (9)
1. a blade-rotation air filtering apparatus, comprise thick effect filtrating equipment and self-cleaning filter, described thick effect filtrating equipment and self-cleaning filter interval be arranged in the gas-entered passageway of gas turbine, it is characterized in that, described self-cleaning filter comprises multiple cartridge filter in gas-entered passageway that is arranged above and below, described cartridge filter is equipped with the anti-blowpipe be communicated with external compressed air source through pipeline, and described anti-blowpipe is arranged in the gas-entered passageway of cartridge filter rear end; Described cartridge filter comprises cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, described outer metal net layer and interior metal net layer form three around tubular cartridge filter skeleton, filter layer is provided with between described outer metal net layer and interior metal net layer, described interior metal net layer is provided with spiral stream guidance bar, and described spiral stream guidance bar is inclined on interior metal net layer.
2. blade-rotation air filtering apparatus according to claim 1, is characterized in that, the length that described spiral stream guidance bar extends interior metal net layer increases gradually along with Hand of spiral.
3. blade-rotation air filtering apparatus according to claim 2, is characterized in that, described spiral stream guidance bar offers vent.
4. according to the arbitrary described blade-rotation air filtering apparatus in claim 1-3, it is characterized in that, described thick effect filtrating equipment comprises the low efficient filter that connecting rod and polylith are arranged above and below, the upper end thereof of each low efficient filter is in gas-entered passageway, the other end of each low efficient filter is all hinged on same connecting rod, the bottom surface being positioned at gas-entered passageway low efficient filter is bottom hinged with the cylinder or oil hydraulic cylinder that can stretch, and the other end of described cylinder or oil hydraulic cylinder is hinged on the bottom in gas-entered passageway.
5. blade-rotation air filtering apparatus according to claim 4, is characterized in that, described low efficient filter through connecting rod rotating shaft together with rod hinge connection.
6. blade-rotation air filtering apparatus according to claim 5, is characterized in that, the periphery of described low efficient filter is coated with sealed frame.
7. blade-rotation air filtering apparatus according to claim 6, is characterized in that, is provided with sealing gasket between described low efficient filter and sealed frame.
8. blade-rotation air filtering apparatus according to claim 7, is characterized in that, described connecting rod offers pin shaft hole, and described connecting rod rotating shaft, through described pin shaft hole and rod hinge connection, is provided with rubber elasticity block between pin shaft hole and connecting rod rotating shaft.
9. blade-rotation air filtering apparatus according to claim 8, is characterized in that, the gas-entered passageway of described thick effect filtrating equipment front end is equipped with water mist separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410697373.9A CN104514634B (en) | 2014-11-28 | 2014-11-28 | A kind of blade-rotation air filtering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410697373.9A CN104514634B (en) | 2014-11-28 | 2014-11-28 | A kind of blade-rotation air filtering apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514634A CN104514634A (en) | 2015-04-15 |
| CN104514634B true CN104514634B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410697373.9A Expired - Fee Related CN104514634B (en) | 2014-11-28 | 2014-11-28 | A kind of blade-rotation air filtering apparatus |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114182A (en) * | 2015-08-21 | 2015-12-02 | 成都博世德能源科技股份有限公司 | Efficient energy-saving rotary blade type silencing air filtering device |
| CN105089805A (en) * | 2015-08-21 | 2015-11-25 | 成都博世德能源科技股份有限公司 | Rotary blade type air filter with high-efficiency silencing effect |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5490926A (en) * | 1994-10-31 | 1996-02-13 | W.R. Grace & Co.-Conn. | Spiral-wound filtration cartridge with longitudinal bypass feature |
| CN2645749Y (en) * | 2003-09-05 | 2004-10-06 | 韩洪德 | Highly effective automatic air filter for removing ash |
| CN201823417U (en) * | 2010-07-30 | 2011-05-11 | 山东开泰抛丸机械有限公司 | Filter cartridge used on filter cartridge type dust collector |
| EP2549078A1 (en) * | 2011-07-21 | 2013-01-23 | Siemens Aktiengesellschaft | Suction duct for intake air of a gas turbine and method for operating a stationary gas turbine |
| FR2983085B1 (en) * | 2011-11-28 | 2013-12-27 | Aaf France | DEVICE FOR ACTUATING PIVOTING MOUNTED FILTERS, AIR INTAKE FILTER ASSEMBLY COMPRISING THE SAME, AND METHOD FOR CONTROLLING A FILTER ACTUATION DEVICE |
| US8801826B2 (en) * | 2012-03-12 | 2014-08-12 | Bha Altair, Llc | Pre-filter or coalescer mounted on pulse cartridge tripod |
| CN202909592U (en) * | 2012-10-09 | 2013-05-01 | 中船澄西船舶修造有限公司 | Air intake system of air compressor |
| CN204344284U (en) * | 2014-11-28 | 2015-05-20 | 成都博世德能源科技股份有限公司 | A kind of blade-rotation air filtering apparatus |
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