CN205025606U - A high -efficient noise elimination air filter for gas turbine cycle utilizes - Google Patents
A high -efficient noise elimination air filter for gas turbine cycle utilizes Download PDFInfo
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- CN205025606U CN205025606U CN201520634285.4U CN201520634285U CN205025606U CN 205025606 U CN205025606 U CN 205025606U CN 201520634285 U CN201520634285 U CN 201520634285U CN 205025606 U CN205025606 U CN 205025606U
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- noise elimination
- flow guide
- guide device
- gas turbine
- blowpipe
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Abstract
The utility model belongs to the technical field of gas turbine filtration, a a high -efficient noise elimination air filter for gas turbine cycle utilizes is disclosed, the utility model discloses an install top drive cylinder, the bottom driving roll in filtering the room and install the driven cylinder between top drive cylinder and bottom driving roll, install in turn in filtering the room about driven cylinder, top drive cylinder, driven cylinder and bottom driving roll go up the cladding has the filter layer, and the side of filtering the room is equipped with the air inlet, and the air inlet faces the filter layer of cladding on top drive cylinder, driven cylinder and bottom driving roll, be located and filter room driven cylinder and the top of the filter layer between the driving roll of bottom and set the jetting system, the air inlet that filters the room has set silencing module.
Description
Technical field
The utility model belongs to gas turbine air-filtering technical field, being specifically related to a kind of efficient noise elimination air filter utilized for gas turbine cycle, for filtering the air entering gas turbine, also may be used for the air-filtering 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.
In prior art, air-filtering mainly adopts static filtering or automatically cleaning to filter.
Such as application number be 201220044604.2 utility model patent disclose a kind of pulse self-cleaning, air cleaning equipment, comprise support, be provided with shell body device above support, shell body device inside is provided with filtrating equipment, Pulse anti-blow device and control system; Shell body device comprises air-purifying chamber, and the front end of air-purifying chamber is provided with exhaust outlet, and rear end is provided with rain cover; Filtrating equipment is arranged on the inside of air-purifying chamber, and it comprises V-type air filter and supporting frame, and V-type air filter one end is arranged on supporting frame by clamping bolt, and the other end is provided with corresponding ash-collecting pipe; Pulse anti-blow device is arranged on air-purifying chamber, and it comprises Venturi tube, injection tube and blowback house steward, and injection tube is provided with row's spray orifice, and blowback house steward is connected with injection tube by pulse backblowing valve, and blowback house steward is provided with electromagnetic valve component; Control system is arranged on rain cover, and it comprises connected control terminal case and differential pressure transmitter, and control terminal case is connected with electromagnetic valve component; The below of support is provided with dust collection device, and dust collection device comprises takes out grey blower fan and the grey funnel of collection, collects grey funnel upper end and is connected with ash-collecting pipe, lower end with take out grey blower fan and be connected; The quantity of spray orifice is more than six or six; Between V-type air filter and ash-collecting pipe, sealing gasket is installed; The top of rain cover inside is provided with lighting burner.
Application number be 201420234724.8 utility model patent disclose a kind of gas turbine inlet air filtrating equipment, comprise filter, rainhat, high-precision filtration element, blowback shower nozzle, compressed air hose, solenoid valve, inspection platform, air channel, silencing apparatus; Filter ingress and be provided with rainhat, filter interior is provided with high-precision filtration element, and high-precision filtration element filters Way out is provided with blowback shower nozzle, and blowback shower nozzle is connected with compressed air pipe, and compressed air hose is provided with solenoid valve; Filter interior is provided with inspection platform in high-precision filtration elements on either side; Filter outlet is connected with silencing apparatus by air channel; High-precision filtration element is double layer construction, and first layer is E level filter layer, and the second layer is moistureproof filter layer; E level filter layer is the electrostatic nanometer layer adopting nano filter medium manufacture; Moistureproof filter layer adopts 100% moisture proofness synthesis base material to make; High-precision filtration element is that modular type is installed, independent dismounting cleaning; Silencing apparatus adopts metal silk quality muffler material to make.
Such as application number be 20111044876602 patent of invention disclose a kind of air filter of static filtering, comprise first order filter, second level filter and third level filter, in the spaced gas-entered passageway being sequentially arranged in gas turbine generator group of first order filter, second level filter and third level filter; Air filter also comprises interval and is fixed on multiple filter frames in the gas-entered passageway of gas turbine generator group, and second level filter and third level filter are separately positioned on filter frame; Air filter also comprises embedded part, and each filter frame is fixedly installed in the gas-entered passageway of gas turbine generator group by embedded part.The periphery of each filter frame is provided with mounting hole, and filter frame is fixedly mounted in the gas-entered passageway of gas turbine generator group by mounting hole and embedded part; Each filter frame is provided with square hole, is provided with a unit frame at the periphery of each square hole, and second level filter or third level filter operable are arranged on corresponding unit frame; The periphery of second level filter and third level filter and the periphery of unit frame leave gap, and gap is sealed by filter seal pad.Each filter frame is provided with some fastening pieces, fastening piece comprises pressing plate and the screw of band through hole, pressing plate backstop in the periphery edge place of the third level filter of the second level filter of correspondence or correspondence, screw through after the through hole of pressing plate by second level filter or third level filter backstop in unit frame.Third level filter is bag filter, and first order filter is venetian blind inertial filter.Second level filter is folded metal filtration web filter.
But existing air filter also exists the problem of noise elimination sound insulation difference.
Model utility content
The utility model also exists the problem of noise elimination sound insulation difference in order to solve existing air filter, and provides a kind of efficient noise elimination air filter utilized for gas turbine cycle, can carry out noise elimination sound insulation process, reduce the pollution to environment to charge air flow.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is:
A kind of efficient noise elimination air filter utilized for gas turbine cycle, it is characterized in that, comprise the follower rollers being arranged on the top-driving cylinder filtered in room, bottom head roll and being arranged between top-driving cylinder and bottom head roll, be alternately arranged on about described follower rollers and filter in room; Described top-driving cylinder, follower rollers and bottom head roll are coated with filter layer, and the side in described filtration room is provided with suction port, and described suction port faces the filter layer be coated on top-driving cylinder, follower rollers and bottom head roll; Be equipped with injection system filtering above the filter layer between room follower rollers bottom and bottom head roll; The anti-blowpipe that described injection system comprises conical flow guide device and is communicated with source of compressed air, the center line of described flow guide device and the center line of anti-blowpipe are on the same line, the top of the top of described flow guide device and the end face of anti-blowpipe or flow guide device is stretched in anti-blowpipe, and the bottom surface of flow guide device is just to filtering the filter layer between room follower rollers bottom and bottom head roll; The suction port in described filtration room is equipped with noise elimination module, and described noise elimination module comprises two the first noise elimination modules and at least one second noise elimination module, described second noise elimination modular spacing be arranged between two first noise elimination modules; Described first noise elimination module comprises two piece of first plumbous fiber sound absorption plate, is provided with the first glass wool layer between two first plumbous fiber sound absorption plate.
Described second noise elimination module comprises two piece of second plumbous fiber sound absorption plate, is provided with the second glass wool layer and layer of polystyrene foam between two second plumbous fiber sound absorption plate.
Described first plumbous fiber sound absorption plate and the second plumbous fiber sound absorption plate evenly offer some through holes.
Described first noise elimination module and the second noise elimination module are S shape.
The inwall in described filtration room is provided with the crest acoustical cotton supported by polyurethane.
Described flow guide device is connected with anti-blowpipe through fixing device.
Described fixing device comprises the connecting sheet be connected with flow guide device, described connecting sheet structure in the form of sheets, and the medial axis of described flow guide device is in the plane at connecting sheet place.
The outer wall of described flow guide device is evenly provided with at least two connecting sheets.
Connection two fixing device symmetrical on the outer wall of described flow guide device and the outer wall of anti-blowpipe, described fixing device is sheet structure.
Described injection system also comprises breathing pipe, and described breathing pipe is communicated with multiple anti-blowpipe.
Described bottom head roll and be equipped with receipts ash bucket in the below of filtering the filter layer between room follower rollers bottom.
Described filter layer one end is connected on top-driving cylinder, the other end successively through follower rollers and be connected to bottom head roll on.
Described top-driving cylinder and bottom head roll are by drive motor driven rotary, and be connected with retarder between described top-driving cylinder and drive motor, described bottom head roll and drive motor are connected with retarder.
Compared with prior art, the utility model has following beneficial effect:
The efficient noise elimination air filter utilized for gas turbine cycle of the present utility model, it is characterized in that, comprise the follower rollers being arranged on the top-driving cylinder filtered in room, bottom head roll and being arranged between top-driving cylinder and bottom head roll, be alternately arranged on about described follower rollers and filter in room; Described top-driving cylinder, follower rollers and bottom head roll are coated with filter layer, and the side in described filtration room is provided with suction port, and described suction port faces the filter layer be coated on top-driving cylinder, follower rollers and bottom head roll; Be equipped with injection system filtering above the filter layer between room follower rollers bottom and bottom head roll; The anti-blowpipe that described injection system comprises conical flow guide device and is communicated with source of compressed air, the center line of described flow guide device and the center line of anti-blowpipe are on the same line, the top of the top of described flow guide device and the end face of anti-blowpipe or flow guide device is stretched in anti-blowpipe, and the bottom surface of flow guide device is just to filtering the filter layer between room follower rollers bottom and bottom head roll; The suction port in described filtration room is equipped with noise elimination module, and described noise elimination module comprises two the first noise elimination modules and at least one second noise elimination module, described second noise elimination modular spacing be arranged between two first noise elimination modules; Described first noise elimination module comprises two piece of first plumbous fiber sound absorption plate, is provided with the first glass wool layer between two first plumbous fiber sound absorption plate.Compared to prior art, the utility model, by arranging noise elimination module, reaches the effect of noise elimination sound insulation, reduces the pollution to environment.
The inside in filtration room of the present utility model is also provided with crest acoustical cotton simultaneously, improves soundproof effect of the present utility model further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model, and the direction of arrow in Fig. 1 represents airintake direction, accordingly the side of filtering room is provided with suction port;
Fig. 2 is the linkage structure schematic diagram of the utility model anti-blowpipe and flow guide device;
Fig. 3 is the plan view structural representation of noise elimination module of the present utility model;
Fig. 4 is the sectional view structural representation of the first noise elimination module of the present utility model;
Fig. 5 is the sectional view structural representation of the second noise elimination module of the present utility model;
Mark in figure: 1, filter room, 2, follower rollers, 3, filter layer, 4, breathing pipe, 5, bottom head roll, 6, anti-blowpipe, 7, flow guide device, 8, fixing device, 9, ash bucket is received, 10, top-driving cylinder, 11, connecting sheet, 12, noise elimination module, the 13, first noise elimination module, the 14, second noise elimination module, 15, the first plumbous fiber sound absorption plate, the 16, first glass wool layer, 17, through hole, 18, the second plumbous fiber sound absorption plate, the 19, second glass wool layer, 20, layer of polystyrene foam.
Embodiment
Below in conjunction with embodiment, the utility model will be further described, and described embodiment is only the utility model part embodiment, is not whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection domain of the present utility model.
The efficient noise elimination air filter utilized for gas turbine cycle of the present utility model, comprise the follower rollers being arranged on the top-driving cylinder filtered in room, bottom head roll and being arranged between top-driving cylinder and bottom head roll, be alternately arranged on about described follower rollers and filter in room; Described top-driving cylinder, follower rollers and bottom head roll are coated with filter layer, and the side in described filtration room is provided with suction port, and described suction port faces the filter layer be coated on top-driving cylinder, follower rollers and bottom head roll; Be equipped with injection system filtering above the filter layer between room follower rollers bottom and bottom head roll; The anti-blowpipe that described injection system comprises conical flow guide device and is communicated with source of compressed air, the center line of described flow guide device and the center line of anti-blowpipe are on the same line, the top of the top of described flow guide device and the end face of anti-blowpipe or flow guide device is stretched in anti-blowpipe, and the bottom surface of flow guide device is just to filtering the filter layer between room follower rollers bottom and bottom head roll.The suction port in described filtration room is equipped with noise elimination module, and described noise elimination module comprises two the first noise elimination modules and at least one second noise elimination module, described second noise elimination modular spacing be arranged between two first noise elimination modules; Described first noise elimination module comprises two piece of first plumbous fiber sound absorption plate, is provided with the first glass wool layer between two first plumbous fiber sound absorption plate.
Described second noise elimination module comprises two piece of second plumbous fiber sound absorption plate, is provided with the second glass wool layer and layer of polystyrene foam between two second plumbous fiber sound absorption plate.
Described first plumbous fiber sound absorption plate and the second plumbous fiber sound absorption plate evenly offer some through holes.
Described first noise elimination module and the second noise elimination module are S shape.
The inwall in described filtration room is provided with the crest acoustical cotton supported by polyurethane.Compared to prior art, the utility model, by arranging noise elimination module, reaches the effect of noise elimination sound insulation, reduces the pollution to environment.
The inside in filtration room of the present utility model is also provided with crest acoustical cotton simultaneously, improves soundproof effect of the present utility model further.
The utility model filter layer one end is connected on top-driving cylinder, the other end successively through follower rollers and be connected to bottom head roll on, make bottom head roll and top-driving cylinder that filter layer can both be driven to move, and under the effect of injection system, filter layer can recycle.Simultaneously can coated more filter layer on top-driving cylinder of the present utility model and bottom head roll, extend the length of filter layer, thus reduce the number of times changing filter layer, reduce maintenance cost, improve practicability of the present utility model.
Injection system of the present utility model also comprises breathing pipe, and breathing pipe is communicated with multiple anti-blowpipe, and breathing pipe is communicated with source of compressed air, is arranged in uniformly on filter layer by multiple anti-blowpipe, improves the effect of filter layer winding-up.
Top-driving cylinder and bottom head roll are used for the folding and unfolding of filter layer, make the use that filter layer can circulate.The air entered from filtration room suction port is filtered by the filter layer be arranged in top-driving cylinder, follower rollers and bottom head roll, when filter layer needs the dust of absorption more time, bottom head roll drives filter layer to move down, and filtered by injection system, thus the dust be adsorbed on filter layer is cleared up, filter layer can be recycled.
Top-driving cylinder and bottom head roll can carry out folding and unfolding to filter layer, can carry out blowback by injection system to filter layer, improve the working life of filter layer.Due to the follower rollers that left and right is arranged alternately, make filter layer form multiple V-shaped, compared to existing static filtering, improve filter area, thus improve the effect of filtering.
The filter layer of injection system to used (dirty) of bottom unifies winding-up, and the carrying out that injection system can continue is jetted, and filters and has the little feature of explosion sound, reduce the pollution of environment relative to automatically cleaning.Compare and automatically cleaning filtering technique, the dust blown off directly enters below and receives ash bucket, avoids secondary pollution simultaneously.Pressurized air can be shunted by conical flow guide device by injection system of the present utility model uniformly, improves the effect of winding-up.
The top of the top of the utility model flow guide device and the end face of anti-blowpipe or flow guide device is stretched in anti-blowpipe.The top of the utility model flow guide device can also have certain distance with the end face of anti-blowpipe, the center line of the center line of flow guide device and anti-blowpipe and filter cylinder on the same line, can ensure that flow guide device can the pressurized air of dispersed anti-blowpipe winding-up equally.
Flow guide device of the present utility model can also be set to frustoconic shape, and the center line of frustoconic shape flow guide device and the center line of anti-blowpipe are on the same line, the upper bottom surface (end face that radius is less) of frustoconic shape flow guide device is towards anti-blowpipe, and the bottom surface (end face that radius is larger) of frustoconic shape flow guide device is towards filter layer.The upper bottom surface (end face that radius is less) of frustoconic shape flow guide device can with the end contact of anti-blowpipe, also can extend in anti-blowpipe, or with the end face of anti-blowpipe, there is certain spacing.
As a kind of preferred mode of the utility model, flow guide device conically.
Flow guide device is connected with anti-blowpipe through fixing device, to be fixed and to locate by fixing device to flow guide device; In other structures that flow guide device of the present utility model also can be fixed on by fixing device; as long as can realize the fixing of flow guide device and the center line ensureing the center line of flow guide device and anti-blowpipe on the same line, all belong to protection domain of the present utility model.
The center line of flow guide device of the present utility model also can with on the no longer same straight line of the center line of anti-blowpipe.But in order to ensure the uniformity that flow guide device disperses, as preferred mode, the center line of flow guide device and the center line of anti-blowpipe are on the same line.
Preferably, described fixing device comprises the connecting sheet be connected with flow guide device, described connecting sheet structure in the form of sheets, and the medial axis of described flow guide device is in the plane at connecting sheet place.By being set to sheet structure by with the connecting sheet that flow guide device is directly connected, the medial axis of flow guide device is in the plane at connecting sheet place simultaneously, the barrier effect of connecting sheet to the air that anti-blowpipe sprays can be reduced, thus improve the uniformity of flow guide device water conservancy diversion, thus improve the blowback effect to filter cylinder.
In order to the uniformity of the stable connection and water conservancy diversion that improve flow guide device, the outer wall of flow guide device is evenly connected with at least two connecting sheets.
As a kind of preferred mode of the utility model, symmetrically on the outer wall of flow guide device and the outer wall of anti-blowpipe be connected with two fixing devices, fixing device is sheet structure, in order to reduce the impact of fixing device on the air that anti-blowpipe sprays, the medial axis of flow guide device is in the plane at fixing device place; The fixing device of sheet structure is convenient to install and processing, improves practicability of the present utility model.As the mode of a kind of selection of the utility model, fixing device is connected with flow guide device and anti-blowpipe by the mode of welding.
Described bottom head roll and be equipped with receipts ash bucket in the below of filtering the filter layer between room follower rollers bottom.By arranging receipts ash bucket, the dust through winding-up can directly fall into receipts ash bucket, has both been convenient to the collection of dust, can have prevented secondary pollution again, improved filtering effect of the present utility model.
As a kind of preferred mode of the utility model, receiving ash bucket is small top and big bottom funnel-like, is convenient to the collection of dust.
As the mode of a kind of selection of the utility model, described top-driving cylinder and bottom head roll are by drive motor driven rotary, be connected with retarder between described top-driving cylinder and drive motor, described bottom head roll and drive motor are connected with retarder.Wherein, drive motor and retarder belong to prior art products, and those skilled in the art can understand and understand, and does not repeat them here.
As the mode of a kind of selection of the utility model, top-driving cylinder, bottom head roll and follower rollers are arranged on through bearing support and filter on room.The utility model is made to have the simple feature of structure.
To sum up, the utility model has the advantages that structure is simple, filter area large, good filtration effect, long service life and cost are low, meets the requirement of economy and environment.
The utility model can not only be applicable to the inlet air filtration of gas turbine, and the air evolution that can also be used for other field is filtered.
Claims (10)
1. the efficient noise elimination air filter utilized for gas turbine cycle, it is characterized in that, comprise the follower rollers being arranged on the top-driving cylinder filtered in room, bottom head roll and being arranged between top-driving cylinder and bottom head roll, be alternately arranged on about described follower rollers and filter in room; Described top-driving cylinder, follower rollers and bottom head roll are coated with filter layer, and the side in described filtration room is provided with suction port, and described suction port faces the filter layer be coated on top-driving cylinder, follower rollers and bottom head roll; Be equipped with injection system filtering above the filter layer between room follower rollers bottom and bottom head roll; The anti-blowpipe that described injection system comprises conical flow guide device and is communicated with source of compressed air, the center line of described flow guide device and the center line of anti-blowpipe are on the same line, the top of the top of described flow guide device and the end face of anti-blowpipe or flow guide device is stretched in anti-blowpipe, and the bottom surface of flow guide device is just to filtering the filter layer between room follower rollers bottom and bottom head roll; The suction port in described filtration room is equipped with noise elimination module, and described noise elimination module comprises two the first noise elimination modules and at least one second noise elimination module, described second noise elimination modular spacing be arranged between two first noise elimination modules; Described first noise elimination module comprises two piece of first plumbous fiber sound absorption plate, is provided with the first glass wool layer between two first plumbous fiber sound absorption plate.
2. the efficient noise elimination air filter utilized for gas turbine cycle according to claim 1, it is characterized in that, described second noise elimination module comprises two piece of second plumbous fiber sound absorption plate, is provided with the second glass wool layer and layer of polystyrene foam between two second plumbous fiber sound absorption plate.
3. the efficient noise elimination air filter utilized for gas turbine cycle according to claim 2, is characterized in that, described first plumbous fiber sound absorption plate and the second plumbous fiber sound absorption plate evenly offer some through holes.
4. the efficient noise elimination air filter utilized for gas turbine cycle according to claim 3, it is characterized in that, described first noise elimination module and the second noise elimination module are S shape.
5., according to the arbitrary described efficient noise elimination air filter utilized for gas turbine cycle of claim 1-4, it is characterized in that, the inwall in described filtration room is provided with the crest acoustical cotton supported by polyurethane.
6. the efficient noise elimination air filter utilized for gas turbine cycle according to claim 5, it is characterized in that, described flow guide device is connected with anti-blowpipe through fixing device.
7. the efficient noise elimination air filter utilized for gas turbine cycle according to claim 6, it is characterized in that, described fixing device comprises the connecting sheet be connected with flow guide device, described connecting sheet structure in the form of sheets, and the medial axis of described flow guide device is in the plane at connecting sheet place.
8. the efficient noise elimination air filter utilized for gas turbine cycle according to claim 7, is characterized in that, the outer wall of described flow guide device is evenly provided with at least two connecting sheets.
9. the efficient noise elimination air filter utilized for gas turbine cycle according to claim 8, is characterized in that, connection two fixing device of symmetry on the outer wall of described flow guide device and the outer wall of anti-blowpipe, described fixing device is sheet structure.
10. the efficient noise elimination air filter utilized for gas turbine cycle according to claim 9, it is characterized in that, described injection system also comprises breathing pipe, and described breathing pipe is communicated with multiple anti-blowpipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520634285.4U CN205025606U (en) | 2015-08-21 | 2015-08-21 | A high -efficient noise elimination air filter for gas turbine cycle utilizes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520634285.4U CN205025606U (en) | 2015-08-21 | 2015-08-21 | A high -efficient noise elimination air filter for gas turbine cycle utilizes |
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| Publication Number | Publication Date |
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| CN205025606U true CN205025606U (en) | 2016-02-10 |
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| CN201520634285.4U Expired - Fee Related CN205025606U (en) | 2015-08-21 | 2015-08-21 | A high -efficient noise elimination air filter for gas turbine cycle utilizes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089807A (en) * | 2015-08-21 | 2015-11-25 | 成都博世德能源科技股份有限公司 | Efficient silencing air filter device for cyclic utilization of gas turbine |
-
2015
- 2015-08-21 CN CN201520634285.4U patent/CN205025606U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089807A (en) * | 2015-08-21 | 2015-11-25 | 成都博世德能源科技股份有限公司 | Efficient silencing air filter device for cyclic utilization of gas turbine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20180821 |