CN105089806A - Three-stage air filtering system with efficient noise elimination function - Google Patents
Three-stage air filtering system with efficient noise elimination function Download PDFInfo
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- CN105089806A CN105089806A CN201510516656.3A CN201510516656A CN105089806A CN 105089806 A CN105089806 A CN 105089806A CN 201510516656 A CN201510516656 A CN 201510516656A CN 105089806 A CN105089806 A CN 105089806A
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Abstract
The invention belongs to the technical field of gas turbines and discloses a three-stage air filtering system with an efficient noise elimination function. The three-stage air filtering system comprises a filtering chamber. A low-efficient filter, a medium-efficient filter and a high-efficient filter are arranged in the filtering chamber. An overhauling channel is arranged between the low-efficient filter and the medium-efficient filter. An overhauling channel is arranged between the medium-efficient filter and the high-efficient filter. The medium-efficient filter comprises a top drive roller, a bottom drive roller and driven rollers, wherein the top drive roller and the bottom drive roller are arranged in the filtering chamber, and the driven rollers are arranged between the top drive roller and the bottom drive roller. The top drive roller, the driven rollers and the bottom drive roller are wrapped with filtering layers. A muffling module is arranged between the low-efficient filter and the medium-efficient filter and comprises two first muffling modules and at least one second muffling modules. The second muffling modules are arranged between every two first muffling modules in a spaced manner. Each first muffling module comprises two first lead fiber acoustic panels, wherein a first glass wool layer is arranged between the two first lead fiber acoustic panels.
Description
Technical field
The invention belongs to gas turbine technology field, be specifically related to a kind of three grades of air filtering systems of efficient noise elimination, for carrying out purification filtering to the air inlet of gas turbine.The present invention also can be used for the air purification 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.
The air draught entering gas turbine adopts air filtering system to filter, because the air requirements amount of gas turbine is larger, therefore filtration system is generally all set to the structure of filtering room, such as application number be 201110448766.2 patent of invention disclose a kind of air filter, first order filter, second level filter and third level filter, in described first order filter, described second level filter and the spaced gas-entered passageway 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 gas-entered passageway 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 embedded part, and filter frame described in each is fixedly installed in the gas-entered passageway of described gas turbine generator group by described embedded part.Described in each, the periphery of filter frame is provided with mounting hole, and described filter frame is fixedly mounted in the gas-entered passageway of gas turbine generator group by described mounting hole and described embedded part.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 fastening pieces, fastening piece 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 venetian blind inertial filter, and second level filter is folded metal filtration web filter.
But existing air filtering system also exists the problem of noise elimination sound insulation difference.
Summary of the invention
The present invention in order to solve the problem of the noise elimination sound insulation difference of existing air filtering system existence, and provides a kind of three grades of air filtering systems of efficient noise elimination, 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 technical solution adopted in the present invention is:
A kind of three grades of air filtering systems of efficient noise elimination, it is characterized in that, comprise filtration room, low efficient filter, medium efficient filter and high efficiency particulate air filter is provided with in described filtration room, access path is provided with between described low efficient filter and medium efficient filter, access path is provided with between described medium efficient filter and high efficiency particulate air filter, described medium efficient filter comprises 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, is alternately arranged on and filters in room about described follower rollers; Described top-driving cylinder, follower rollers and bottom head roll are coated with filter layer; Be provided with noise elimination module between described low efficient filter and medium efficient filter, 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 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.
Described top-driving cylinder, bottom head roll and follower rollers are arranged on through bearing support and filter on room.
Filter layer between bottom head roll and follower rollers is bottom equipped with the injection system for jetting to filter layer, described injection system comprises the breathing pipe with external compressed air source UNICOM, described breathing pipe is connected with multiple gas-distributing pipe, each gas-distributing pipe is connected with shower nozzle, and described shower nozzle is evenly arranged in and is filtering above the filter layer between room follower rollers bottom and bottom head roll.
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 receipts ash bucket is small top and big bottom funnel-like.
Compared with prior art, the present invention has following beneficial effect:
Three grades of air filtering systems of efficient noise elimination of the present invention, comprise filtration room, low efficient filter, medium efficient filter and high efficiency particulate air filter is provided with in described filtration room, access path is provided with between described low efficient filter and medium efficient filter, access path is provided with between described medium efficient filter and high efficiency particulate air filter, described medium efficient filter comprises 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, is alternately arranged on and filters in room about described follower rollers; Described top-driving cylinder, follower rollers and bottom head roll are coated with filter layer; Be provided with noise elimination module between described low efficient filter and medium efficient filter, 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 present invention, by arranging noise elimination module between low efficient filter and medium efficient filter, reaches the effect of noise elimination sound insulation, reduces the pollution to environment.
The inside in filtration room of the present invention is also provided with crest acoustical cotton simultaneously, improves soundproof effect of the present invention further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention, and wherein the direction of arrow represents the flow direction of air;
Fig. 2 is the structural representation of medium efficient filter of the present invention;
Fig. 3 is the plan view structural representation of noise elimination module of the present invention;
Fig. 4 is the sectional view structural representation of the first noise elimination module of the present invention;
Fig. 5 is the sectional view structural representation of the second noise elimination module of the present invention;
Mark in figure: 1, filter room, 2, low efficient filter, 3, medium efficient filter, 4, high efficiency particulate air filter, 5, access path, 6, follower rollers, 7, filter layer, 8, breathing pipe, 9, bottom head roll, 10, receive ash bucket, 11, shower nozzle, 12, gas-distributing pipe, 13, top-driving cylinder, 14, noise elimination module, 15, the first noise elimination module, 16, the second noise elimination module, the 17, first plumbous fiber sound absorption plate, the 18, first glass wool layer, 19, through hole, 20, the second plumbous fiber sound absorption plate, the 21, second glass wool layer, 22, layer of polystyrene foam.
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.
Three grades of air filtering systems of efficient noise elimination of the present invention, comprise and filter room 1, low efficient filter 2 is provided with in described filtration room 1, medium efficient filter 3 and high efficiency particulate air filter 4, access path 5 is provided with between described low efficient filter 2 and medium efficient filter 3, access path 5 is provided with between described medium efficient filter 3 and high efficiency particulate air filter 4, described medium efficient filter comprises the top-driving cylinder 13 being arranged on and filtering in room 1, bottom head roll 9 and the follower rollers 6 be arranged between top-driving cylinder 13 and bottom head roll 9, described follower rollers about 6 is alternately arranged on and filters in room 1, described top-driving cylinder 13, follower rollers 6 and bottom head roll 9 are coated with filter layer 7, noise elimination module 14 is provided with between described low efficient filter 2 and medium efficient filter 3, described noise elimination module 14 comprises two the first noise elimination modules 15 and at least one second noise elimination module 16, described second noise elimination module 16 interval be arranged between two first noise elimination modules 15, described first noise elimination module 15 comprises two piece of first plumbous fiber sound absorption plate 17, is provided with the first glass wool layer 18 between two first plumbous fiber sound absorption plate 17.The present invention, by arranging noise elimination module between low efficient filter and medium efficient filter, reaches the effect of noise elimination sound insulation, reduces the pollution to environment.
Second noise elimination module 16 of the present invention comprises two piece of second plumbous fiber sound absorption plate 20, is provided with the second glass wool layer 21 and layer of polystyrene foam 22 between two second plumbous fiber sound absorption plate 20.
As a kind of preferred mode of the present invention, described first plumbous fiber sound absorption plate 17 and the second plumbous fiber sound absorption plate 20 evenly offer some through holes 19.
Described first noise elimination module 15 and the second noise elimination module 16 are in S shape.
As a kind of preferred mode of the present invention, the second noise elimination module 16 is arranged between the first noise elimination module 15 uniformly, forms air-flow path between the first noise elimination module 15 and the second noise elimination module 16, between the second noise elimination module 16 and the second noise elimination module 16.
In order to improve soundproof effect of the present invention further, the inwall in described filtration room 1 is provided with the crest acoustical cotton supported by polyurethane.
The present invention can carry out folding and unfolding to filter layer by top-driving cylinder and bottom head roll, due to the follower rollers that left and right is arranged alternately, filter layer is made to form multiple V-shaped, compared to existing static filtering, improve filter area, thus improve the effect of filtering.
Filter layer 7 one end is connected on top-driving cylinder 13, the other end successively through follower rollers 6 and be connected to bottom head roll 9 on, make bottom head roll 9 and top-driving cylinder 13 filter layer can both be driven to move.As the mode of a kind of selection of the present invention, described top-driving cylinder 13 and bottom head roll 9 are by drive motor driven rotary, be connected with retarder between described top-driving cylinder 13 and drive motor, described bottom head roll 9 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 present invention, top-driving cylinder 13, bottom head roll 9 and follower rollers 6 are arranged on through bearing support and filter on room.The present invention is made to have the simple feature of structure.
Filter layer 7 between bottom head roll 9 and follower rollers bottom 6 is equipped with the injection system for jetting to filter layer 7, described injection system comprises the breathing pipe 8 with external compressed air source UNICOM, described breathing pipe 8 is connected with multiple gas-distributing pipe 12, each gas-distributing pipe 12 is connected with shower nozzle 11, and described shower nozzle 11 is evenly arranged in and is filtering above the filter layer 7 between room 1 follower rollers 6 bottom and bottom head roll 9.
Described bottom head roll 9 and be equipped in the below of filtering the filter layer 7 between room 1 follower rollers 6 bottom and receive ash bucket 10.Receive ash bucket 10 by arranging, the dust through winding-up directly can fall into receipts ash bucket 10, has both been convenient to the collection of dust, and can have prevented secondary pollution again, and improved filtering effect of the present invention.
As a kind of preferred mode of the present invention, described receipts ash bucket 10 is small top and big bottom funnel-like.
Filter layer of the present invention is under the effect of injection system, and filter layer can recycle.Simultaneously can coated more filter layer on top-driving cylinder of the present invention 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 invention.
Embodiment one
Three grades of air filtering systems of the efficient noise elimination of the present embodiment, comprise filtration room, low efficient filter, medium efficient filter and high efficiency particulate air filter is provided with in described filtration room, access path is provided with between described low efficient filter and medium efficient filter, access path is provided with between described medium efficient filter and high efficiency particulate air filter, described medium efficient filter comprises 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, is alternately arranged on and filters in room about described follower rollers; Described top-driving cylinder, follower rollers and bottom head roll are coated with filter layer; Be provided with noise elimination module between described low efficient filter and medium efficient filter, 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.
Embodiment two
Three grades of air filtering systems of the efficient noise elimination of the present embodiment, comprise filtration room, low efficient filter, medium efficient filter and high efficiency particulate air filter is provided with in described filtration room, access path is provided with between described low efficient filter and medium efficient filter, access path is provided with between described medium efficient filter and high efficiency particulate air filter, described medium efficient filter comprises 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, is alternately arranged on and filters in room about described follower rollers; Described top-driving cylinder, follower rollers and bottom head roll are coated with filter layer; Be provided with noise elimination module between described low efficient filter and medium efficient filter, 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.
Embodiment three
Three grades of air filtering systems of the efficient noise elimination of the present embodiment, comprise filtration room, low efficient filter, medium efficient filter and high efficiency particulate air filter is provided with in described filtration room, access path is provided with between described low efficient filter and medium efficient filter, access path is provided with between described medium efficient filter and high efficiency particulate air filter, described medium efficient filter comprises 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, is alternately arranged on and filters in room about described follower rollers; Described top-driving cylinder, follower rollers and bottom head roll are coated with filter layer; Be provided with noise elimination module between described low efficient filter and medium efficient filter, 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.
Embodiment four
Three grades of air filtering systems of the efficient noise elimination of the present embodiment, comprise filtration room, low efficient filter, medium efficient filter and high efficiency particulate air filter is provided with in described filtration room, access path is provided with between described low efficient filter and medium efficient filter, access path is provided with between described medium efficient filter and high efficiency particulate air filter, described medium efficient filter comprises 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, is alternately arranged on and filters in room about described follower rollers; Described top-driving cylinder, follower rollers and bottom head roll are coated with filter layer; Be provided with noise elimination module between described low efficient filter and medium efficient filter, 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.
Embodiment five
On the basis of above-mentioned any embodiment, the inwall in described filtration room is provided with the crest acoustical cotton supported by polyurethane.
Embodiment six
On the basis of above-mentioned any embodiment, 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.
Embodiment seven
On the basis of embodiment six, 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.
Embodiment eight
On the basis of embodiment seven, described top-driving cylinder, bottom head roll and follower rollers are arranged on through bearing support and filter on room.
Embodiment nine
On the basis of embodiment eight, filter layer between bottom head roll and follower rollers is bottom equipped with the injection system for jetting to filter layer, described injection system comprises the breathing pipe with external compressed air source UNICOM, described breathing pipe is connected with multiple gas-distributing pipe, each gas-distributing pipe is connected with shower nozzle, and described shower nozzle is evenly arranged in and is filtering above the filter layer between room follower rollers bottom and bottom head roll.
Embodiment ten
On the basis of embodiment nine, described bottom head roll and be equipped with receipts ash bucket in the below of filtering the filter layer between room follower rollers bottom.
Embodiment 11
On the basis of embodiment, described receipts ash bucket is small top and big bottom funnel-like.
Claims (10)
1. three grades of air filtering systems of an efficient noise elimination, it is characterized in that, comprise filtration room, low efficient filter, medium efficient filter and high efficiency particulate air filter is provided with in described filtration room, access path is provided with between described low efficient filter and medium efficient filter, access path is provided with between described medium efficient filter and high efficiency particulate air filter, described medium efficient filter comprises 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, is alternately arranged on and filters in room about described follower rollers; Described top-driving cylinder, follower rollers and bottom head roll are coated with filter layer; Be provided with noise elimination module between described low efficient filter and medium efficient filter, 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. three grades of air filtering systems of efficient noise elimination according to claim 1, 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. three grades of air filtering systems of efficient noise elimination 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. three grades of air filtering systems of efficient noise elimination according to claim 3, is characterized in that, described first noise elimination module and the second noise elimination module are S shape.
5., according to three grades of air filtering systems of the arbitrary described efficient noise elimination 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. three grades of air filtering systems of efficient noise elimination according to claim 5, is characterized in that, 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.
7. three grades of air filtering systems of efficient noise elimination according to claim 6, it is characterized in that, 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.
8. three grades of air filtering systems of efficient noise elimination according to claim 7, is characterized in that, described top-driving cylinder, bottom head roll and follower rollers are arranged on through bearing support and filter on room.
9. three grades of air filtering systems of efficient noise elimination according to claim 8, it is characterized in that, filter layer between bottom head roll and follower rollers is bottom equipped with the injection system for jetting to filter layer, described injection system comprises the breathing pipe with external compressed air source UNICOM, described breathing pipe is connected with multiple gas-distributing pipe, each gas-distributing pipe is connected with shower nozzle, and described shower nozzle is evenly arranged in and is filtering above the filter layer between room follower rollers bottom and bottom head roll.
10. three grades of air filtering systems of efficient noise elimination according to claim 9, is characterized in that, described bottom head roll and be equipped with receipts ash bucket in the below of filtering the filter layer between room follower rollers bottom.
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| CN201510516656.3A CN105089806A (en) | 2015-08-21 | 2015-08-21 | Three-stage air filtering system with efficient noise elimination function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510516656.3A CN105089806A (en) | 2015-08-21 | 2015-08-21 | Three-stage air filtering system with efficient noise elimination function |
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Application publication date: 20151125 |