CN104492172B - A kind of rotary blade type air filter - Google Patents

A kind of rotary blade type air filter Download PDF

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Publication number
CN104492172B
CN104492172B CN201410688759.3A CN201410688759A CN104492172B CN 104492172 B CN104492172 B CN 104492172B CN 201410688759 A CN201410688759 A CN 201410688759A CN 104492172 B CN104492172 B CN 104492172B
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CN
China
Prior art keywords
low efficient
efficient filter
filter
inlet channel
connecting rod
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Expired - Fee Related
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CN201410688759.3A
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Chinese (zh)
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CN104492172A (en
Inventor
党为民
李如荣
景君
陈华
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CHENGDU BOOST ENERGY TECHNOLOGY Co Ltd
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CHENGDU BOOST ENERGY TECHNOLOGY Co Ltd
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Priority to CN201410688759.3A priority Critical patent/CN104492172B/en
Publication of CN104492172A publication Critical patent/CN104492172A/en
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Abstract

The invention belongs to gas turbine technology field, disclose a kind of rotary blade type air filter, gas handling system crushing is caused to increase the problem affecting combustion engine efficiency for solving existing filter Long-Time Service low efficient filter, the cost of artificial dismounting low efficient filter is high simultaneously, is difficult to the problem judging air quality in advance.The present invention includes low efficient filter device and self-cleaning filter, described low efficient filter device and self-cleaning filter interval be arranged in the inlet channel of gas turbine, described low efficient filter device 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 inlet channel, the other end of each low efficient filter is all hinged on same connecting rod, the bottom surface being positioned at inlet channel low efficient filter is bottom hinged with the cylinder or hydraulic cylinder that can stretch, the other end of described cylinder or hydraulic cylinder is hinged on the bottom in inlet channel.

Description

A kind of rotary blade type air filter
Technical field
The invention belongs to gas turbine technology field, be specifically related to a kind of rotary blade type air filter for filtering the air entering gas turbine, the present invention can also be used for the air purification filter of other field.
Background technology
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 power.In the main flow of air and combustion gas, primarily of this three large parts composition gas turbine cycle of compressor, combustion chamber and combustion gas turbine.
Compressor sucks air from ambient atmosphere environment, and compresses step by step through axial-flow compressor and make it supercharging, simultaneously air humidity also corresponding raising; Compressed air is pressed to the combustion gas that combustion chamber and the fuel mix that sprays into produce HTHP; And then enter into turbine expansion work, promote turbine and drive 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 air flow of gas turbine blower and the combustion air of gas turbine must carry out purified treatment before being introduced into 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 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 deposit, so require filtration combustion air as far as possible effectively.
Along with going from bad to worse of air quality, often occur that haze weather has created the air inlet of gas turbine to have a strong impact on, if do not install coarse filter additional, haze air directly filters through automatically cleaning filter core, blowback can be caused to lose efficacy, and accelofilter is scrapped, reduce combustion engine efficiency, and automatically cleaning filtration core is expensive, frequent replacing can reduce profit from power plant.
Such as application number be 201110448766.2 patent of invention disclose a kind of air filter, first order filter (i.e. low efficient filter), second level filter and third level filter, in described first order filter, described second level filter and the spaced inlet channel being sequentially arranged in gas turbine generator group of described third level filter.Air filter also comprises interval and is fixed on multiple filter frames in the inlet channel of described gas turbine generator group, and described second level filter and described third level filter are separately positioned on described filter frame.Air filter also comprises built-in fitting, and filter frame described in each is fixedly installed in the inlet channel of described gas turbine generator group by described built-in fitting.Described in each, the periphery of filter frame is provided with installing hole, and described filter frame is fixedly mounted in the inlet channel of gas turbine generator group by described installing hole and described built-in fitting.Described in each, filter frame is provided with square hole, and described in each, the periphery of square hole is provided with a unit frame, and described second level filter or described third level filter operable are arranged on corresponding described unit frame.The periphery of second level filter and third level filter and the periphery of described unit frame leave gap, and described gap is sealed by filter seal pad.Filter frame described in each is provided with some securing members, securing member comprises pressing plate and the screw of band through hole, described pressing plate backstop is in the periphery edge place of the described third level filter of the described second level filter of correspondence or correspondence, and screw to be crossed described second level filter or described third level filter backstop after the through hole of described pressing plate in unit frame.Third level filter is bag filter; First order filter is shutter inertial filter, and second level filter is folded metal filtration web filter.
But for haze, catkin weather, as added one low efficient filter, although filtered out the bulky grain thing in air by low efficient filter, Long-Time Service is slightly imitated filtration and is caused gas handling system crushing to increase, and can affect combustion engine efficiency equally; If want dismounting low efficient filter, can spend again manually many, and be difficult to judge air quality in advance.
Therefore, need to design a kind of air filter that can decide opening and closing low efficient filter according to weather and deal with the haze weather occurred at any time.
Summary of the invention
The present invention causes gas handling system crushing to increase the problem of combustion engine efficiency of affecting in order to existing filter Long-Time Service low efficient filter, the cost of artificial dismounting low efficient filter is high simultaneously, be difficult to the problem judging air quality in advance, and a kind of rotary blade type air filter is provided, opening and closing low efficient filter can be decided according to weather, thus solve the impact not using low efficient filter on automatically cleaning filter core, avoid the impact of Long-Time Service low efficient filter on gas handling system crushing simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of rotary blade type air filter, it is characterized in that, comprise low efficient filter device and self-cleaning filter, described low efficient filter device and self-cleaning filter interval be arranged in the inlet channel of gas turbine, described low efficient filter device 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 inlet channel, the other end of each low efficient filter is all hinged on same connecting rod, the bottom surface being positioned at inlet channel low efficient filter is bottom hinged with the cylinder or hydraulic cylinder that can stretch, the other end of described cylinder or hydraulic cylinder is hinged on the bottom in inlet channel.
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 caoutchouc elasticity block between pin shaft hole and connecting rod rotating shaft.
Water mist separator is equipped in the inlet channel of described low efficient filter device front end.
The front end of described water mist separator is provided with the air-intake device be arranged above and below of at least two, and described air-intake device comprises the baffle plate and the base plate through with the external world that are obliquely installed.
Compared with prior art, the present invention has following beneficial effect:
Rotary blade type air filter of the present invention, comprise low efficient filter device and self-cleaning filter, described low efficient filter device and self-cleaning filter interval be arranged in the inlet channel of gas turbine, described low efficient filter device 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 inlet channel, the other end of each low efficient filter is all hinged on same connecting rod, the bottom surface being positioned at inlet channel low efficient filter is bottom hinged with the cylinder or hydraulic cylinder that can stretch, the other end of described cylinder or hydraulic cylinder is hinged on the bottom in inlet channel.When air quality poor (haze, catkin weather etc.) time, be arranged above and below in inlet channel under each low efficient filter is all tilted to, low efficient filter is started working, coarse filtration is carried out to the air entered, filter out bulky grain thus protect self-cleaning filter, improving the service life of self-cleaning filter; When air quality is good time, under the effect of cylinder or hydraulic cylinder, make each low efficient filter turn to horizontal level, low efficient filter is closed can not carry out work, directly utilizes self-cleaning filter to filter.Thus realize to decide opening and closing low efficient filter according to weather, solve the impact not using low efficient filter on automatically cleaning filter core, avoid the impact of Long-Time Service low efficient filter on gas handling system crushing simultaneously.
The present invention is simultaneously arranged in inlet channel, is controlled the opening and closing of low efficient filter by cylinder or hydraulic cylinder, without the need to artificial unloading and installation, reduces labour cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention five, and wherein, the direction of arrow represents the traffic direction of air-flow;
Front view structural representation when Fig. 2 is low efficient filter device of the present invention unlatching (low efficient filter work);
Side view structural representation when Fig. 3 is low efficient filter device of the present invention unlatching (low efficient filter work);
Structural representation when Fig. 4 is low efficient filter device of the present invention closedown (low efficient filter does not work);
Fig. 5 is the connection diagram of connecting rod of the present invention and connection rotating shaft;
Mark in figure: 1, inlet channel, 2, self-cleaning filter, 3, low efficient filter, 4, connecting rod, 5, cylinder, 6, water mist separator, 7, baffle plate, 8, base plate, 9, sealed frame, 10, caoutchouc elasticity block, 11, connecting rod rotating shaft.
Detailed description of the invention
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.
By reference to the accompanying drawings, rotary blade type air filter of the present invention, comprise low efficient filter device and self-cleaning filter 2, in the inlet channel 1 being arranged on gas turbine at described low efficient filter device and self-cleaning filter 2 interval, described low efficient filter device comprises the low efficient filter 3 that connecting rod 4 and polylith are arranged above and below, the upper end thereof of each low efficient filter 3 is in inlet channel, the other end of each low efficient filter 3 is all hinged on same connecting rod 4, the bottom surface being positioned at inlet channel 1 low efficient filter 3 is bottom hinged with the cylinder or hydraulic cylinder 5 that can stretch, the other end of described cylinder or hydraulic cylinder 5 is hinged on the bottom in inlet channel 1.One end of each low efficient filter 3 is hinged in inlet channel, and the other end is hinged with connecting rod 4, and the low efficient filter 3 being positioned at lower end is hinged with cylinder 5 or hydraulic cylinder, each low efficient filter can be rotated thus form the structure of rotary blade type.When needs low efficient filter 3 works time (haze weather, catkin weather etc.), the setting (with reference to accompanying drawing 2) that each low efficient filter 3 tilts slightly imitates filtration in the inlet channel 3 of gas turbine, coarse filtration is carried out to the air entered, filter out bulky grain thus protect self-cleaning filter, improving the service life of self-cleaning filter 2; In time not needing low efficient filter 3 to work, connecting rod 4 moves up and drives each low efficient filter 3 to rotate until horizontal level (with reference to accompanying drawing 4) under the effect of cylinder 5 or hydraulic cylinder, there is between neighbouring low efficient filter 3 passage of air flowing, directly utilize self-cleaning filter 2 to filter.Thus realize to decide opening and closing low efficient filter 3 according to weather, solve the impact not using low efficient filter on automatically cleaning filter core, avoid the impact of Long-Time Service low efficient filter on gas handling system crushing simultaneously.
The present invention is simultaneously arranged in inlet channel, is controlled the opening and closing of low efficient filter by cylinder 5 or 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 hydraulic cylinder, also can arrange air quality probe and detecting air quality, and the signal control cylinder 5 of air quality probe or the flexible of hydraulic cylinder, improve practicality of the present invention.Cylinder of the present invention or hydraulic cylinder also can be replaced with the stretching structure of frame for movement, as long as can realize Telescopic, all belong to protection scope of the present invention.
Wherein, low efficient filter, self-cleaning filter, cylinder 5 or hydraulic cylinder those skilled in the art can understand and understand, and do not repeat them here.
With reference to Fig. 5, as the mode of a kind of selection of the present invention, low efficient filter 3 is hinged through connecting rod rotating shaft 11 and connecting rod 4.Connecting rod 4 offers pin shaft hole, connecting rod rotating shaft 11 through described pin shaft hole and connecting rod 4 hinged, be provided with caoutchouc elasticity block 10 between pin shaft hole and connecting rod rotating shaft 11, thus realize the sealing between connecting rod 4 and connecting rod rotating shaft 11.
The periphery of described low efficient filter 3 is coated with sealed frame 9, improves the effect of sealing, thus improves airfiltering efficiency.
Further, sealing gasket is provided with between low efficient filter 3 and sealed frame 9.
Being equipped with water mist separator 6 in the inlet channel 1 of low efficient filter device front end of the present invention, for carrying out water smoke separation to the air entered, ensureing the humidity of filtered air.Wherein water mist separator belongs to prior art products, and those skilled in the art understands and understands, and does not repeat them here.
The front end of described water mist separator 6 is provided with the air-intake device be arranged above and below of at least two, described air-intake device comprises the baffle plate 7 and the base plate 8 through with the external world that are obliquely installed, extraneous air enters through base plate, enter under the effect of baffle plate in inlet channel, ensure the uniformity that air enters, improve the effect of filtering.
Embodiment one
The rotary blade type air filter of the present embodiment, comprise low efficient filter device and self-cleaning filter, described low efficient filter device and self-cleaning filter interval be arranged in the inlet channel of gas turbine, described low efficient filter device 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 inlet channel, the other end of each low efficient filter is all hinged on same connecting rod, the bottom surface being positioned at inlet channel low efficient filter is bottom hinged with the cylinder that can stretch, the other end of described cylinder or hydraulic cylinder is hinged on the bottom in inlet channel.
Embodiment two
The rotary blade type air filter of the present embodiment, comprise low efficient filter device and self-cleaning filter, described low efficient filter device and self-cleaning filter interval be arranged in the inlet channel of gas turbine, described low efficient filter device 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 inlet channel, the other end of each low efficient filter is all hinged on same connecting rod, the bottom surface being positioned at inlet channel low efficient filter is bottom hinged with the hydraulic cylinder that can stretch, the other end of described cylinder or hydraulic cylinder is hinged on the bottom in inlet channel, described low efficient filter through connecting rod rotating shaft together with rod hinge connection, 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 caoutchouc elasticity block between pin shaft hole and connecting rod rotating shaft.
Embodiment three
The rotary blade type air filter of the present embodiment, comprise low efficient filter device and self-cleaning filter, described low efficient filter device and self-cleaning filter interval be arranged in the inlet channel of gas turbine, described low efficient filter device 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 inlet channel, the other end of each low efficient filter is all hinged on same connecting rod, the bottom surface being positioned at inlet channel low efficient filter is bottom hinged with the cylinder that can stretch, the other end of described cylinder or hydraulic cylinder is hinged on the bottom in inlet channel, described low efficient filter through connecting rod rotating shaft together with rod hinge connection, 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 caoutchouc elasticity block between pin shaft hole and connecting rod rotating shaft, 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.
Embodiment four
The rotary blade type air filter of the present embodiment, comprise low efficient filter device and self-cleaning filter, described low efficient filter device and self-cleaning filter interval be arranged in the inlet channel of gas turbine, described low efficient filter device 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 inlet channel, the other end of each low efficient filter is all hinged on same connecting rod, the bottom surface being positioned at inlet channel low efficient filter is bottom hinged with the hydraulic cylinder that can stretch, the other end of described cylinder or hydraulic cylinder is hinged on the bottom in inlet channel, described low efficient filter through connecting rod rotating shaft together with rod hinge connection, 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 caoutchouc elasticity block between pin shaft hole and connecting rod rotating shaft, 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; Water mist separator is equipped in the inlet channel of described low efficient filter device front end.
Embodiment five
The rotary blade type air filter of the present embodiment, comprise low efficient filter device and self-cleaning filter, described low efficient filter device and self-cleaning filter interval be arranged in the inlet channel of gas turbine, described low efficient filter device 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 inlet channel, the other end of each low efficient filter is all hinged on same connecting rod, the bottom surface being positioned at inlet channel low efficient filter is bottom hinged with the cylinder or hydraulic cylinder that can stretch, the other end of described cylinder or hydraulic cylinder is hinged on the bottom in inlet channel, described low efficient filter through connecting rod rotating shaft together with rod hinge connection, 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 caoutchouc elasticity block between pin shaft hole and connecting rod rotating shaft, 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; Water mist separator is equipped in the inlet channel of described low efficient filter device front end; The front end of described water mist separator is provided with the air-intake device be arranged above and below of at least two, and described air-intake device comprises the baffle plate and the base plate through with the external world that are obliquely installed.

Claims (7)

1. a rotary blade type air filter, it is characterized in that, comprise low efficient filter device and self-cleaning filter, described low efficient filter device and self-cleaning filter interval be arranged in the inlet channel of gas turbine, described low efficient filter device 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 inlet channel, the other end of each low efficient filter is all hinged on same connecting rod, the bottom surface being positioned at inlet channel low efficient filter is bottom hinged with the cylinder or hydraulic cylinder that can stretch, the other end of described cylinder or hydraulic cylinder is hinged on the bottom in inlet channel.
2. rotary blade type air filter according to claim 1, is characterized in that, described low efficient filter through connecting rod rotating shaft together with rod hinge connection.
3. rotary blade type air filter according to claim 1 and 2, is characterized in that, the periphery of described low efficient filter is coated with sealed frame.
4. rotary blade type air filter according to claim 3, is characterized in that, is provided with sealing gasket between described low efficient filter and sealed frame.
5. rotary blade type air filter according to claim 2, 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 caoutchouc elasticity block between pin shaft hole and connecting rod rotating shaft.
6. rotary blade type air filter according to claim 5, is characterized in that, is equipped with water mist separator in the inlet channel of described low efficient filter device front end.
7. rotary blade type air filter according to claim 6, is characterized in that, the front end of described water mist separator is provided with the air-intake device be arranged above and below of at least two, and described air-intake device comprises the baffle plate and the base plate through with the external world that are obliquely installed.
CN201410688759.3A 2014-11-26 2014-11-26 A kind of rotary blade type air filter Expired - Fee Related CN104492172B (en)

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CN105089789A (en) * 2015-08-21 2015-11-25 成都博世德能源科技股份有限公司 Multi-stage integrated form high-efficiency noise elimination filter system for air purification of combustion gas turbine
CN105114184A (en) * 2015-08-26 2015-12-02 成都博世德能源科技股份有限公司 Adjustable filter device for combustion gas turbine
CN107191419A (en) * 2017-06-29 2017-09-22 成都鑫晨航空科技有限公司 A kind of airborne tank
CN108223134A (en) * 2017-12-29 2018-06-29 中国舰船研究设计中心 Gas turbine inlet air grid and naval vessel

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