CN204402669U - A kind of cylindrical air filter for gas turbine - Google Patents
A kind of cylindrical air filter for gas turbine Download PDFInfo
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- CN204402669U CN204402669U CN201420744989.2U CN201420744989U CN204402669U CN 204402669 U CN204402669 U CN 204402669U CN 201420744989 U CN201420744989 U CN 201420744989U CN 204402669 U CN204402669 U CN 204402669U
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- metal net
- net layer
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- cartridge filter
- interior metal
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Abstract
The utility model belongs to gas turbine technology field, discloses a kind of cylindrical air filter for gas turbine, little for the filter area solving the existence of existing cartridge filter, the problem that resistance is large.The utility model comprises cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, described outer metal net layer and interior metal net layer composition cartridge filter skeleton, filter paper is provided with between described outer metal net layer and interior metal net layer, the two ends of described cartridge filter skeleton are connected to end cover, an end cover are connected with the breathing pipe be communicated with cartridge filter skeletal internal; Described outer metal net layer is the tubular structure be made up of corrugated metal net layer, described interior metal net layer is the tubular structure be made up of corrugated metal net layer, the crest of described outer metal net layer and trough respectively with the crest of interior metal net layer and trough mutually corresponding.
Description
Technical field
The utility model belongs to gas turbine technology field, is specifically related to a kind of cylindrical air filter device for gas turbine, and for carrying out filtration, purification to the air introducing gas turbine, the utility model can also be used for the air-filtering purification of other field simultaneously.
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, and purified treatment mostly adopts cartridge filter to carry out purified treatment.
At present, the cylindrical air filter that gas turbine is equipped with, effectively can remove the dust in air, ensure that air powered equipment does not affect by dust, but in using process, filter material still can be close together each other for a long time, cause filter in use, resistance increases suddenly, have impact on the working life of filter.
Such as application number be 201120151433.9 utility model patent disclose a kind of cylindrical air filter, mainly comprise and be fixedly connected on protecting wire net between two end cap by sealer and be placed in outside interior protecting wire net, be bonded in the filter body that the folded filter paper between two end cap forms, at the outer winding skeleton being arranged with regular distribution of folded filter paper, being wound around skeleton is make of the cotton rope of the full adhesive of leaching.
Application number be 200820026646.7 utility model patent disclose a kind of barrel type air filter circular, mainly comprise and be connected to by sealer the filter body that the protecting wire net between two end cap forms, pleated filter cartridge is built-in with at protecting wire net, the outer folding line of pleated filter cartridge is provided with the large concave point of equidistantly distribution, and interior folding line is provided with the little concave point that distribute corresponding to large concave point.
As the cylindrical air filter told about, although can prevent folded filter paper from use adhering to each other, still there is the problem that filter area is little above, and folding filter paper also exists the large feature of resistance.
Model utility content
The utility model in order to solve existing cartridge filter exist filter area little, the problem that resistance is large, and a kind of cylindrical air filter for gas turbine is provided, filter area can be improved, the problem that the resistance that exists in filter process is large can be reduced simultaneously, thus improve filter efficiency and reduce air crushing.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is:
A kind of cylindrical air filter for gas turbine, it is characterized in that, comprise cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, described outer metal net layer and interior metal net layer composition cartridge filter skeleton, be provided with filter paper between described outer metal net layer and interior metal net layer, the two ends of described cartridge filter skeleton are connected to end cover, an end cover are connected with the breathing pipe be communicated with cartridge filter skeletal internal; Described outer metal net layer is the tubular structure be made up of corrugated metal net layer, described interior metal net layer is the tubular structure be made up of corrugated metal net layer, the crest of described outer metal net layer and trough respectively with the crest of interior metal net layer and trough mutually corresponding.
Described breathing pipe is communicated with air-spreading disk, and the below of described air-spreading disk evenly offers the cloth gas port be communicated with breathing pipe, and described interior metal net layer is provided with spiral stream guidance bar, and described spiral stream guidance bar is inclined on interior metal net layer.
Described spiral stream guidance bar tilts towards cloth gas port.
The length that described spiral stream guidance bar extends interior metal net layer increases gradually along with Hand of spiral.
Described spiral stream guidance bar offers vent.
Compared with prior art, the utility model has following beneficial effect:
Cylindrical air filter for gas turbine of the present utility model, comprise cartridge filter skeleton, cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, outer metal net layer and interior metal net layer composition cartridge filter skeleton, filter paper is provided with between outer metal net layer and interior metal net layer, the two ends of cartridge filter skeleton are connected to end cover, an end cover are connected with the breathing pipe be communicated with cartridge filter skeletal internal; Outer metal net layer is the tubular structure be made up of corrugated metal net layer, and interior metal net layer is the tubular structure be made up of corrugated metal net layer, the crest of described outer metal net layer and trough respectively with the crest of interior metal net layer and trough mutually corresponding.By changing outer metal net layer and inner layer metal net-layer structure, both adding the area of the filter paper of placement, having improved filter efficiency; Also prevent the change of the flow direction caused because of the folding of filter paper simultaneously, thus make air flow steadily on filter paper, reduce crushing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is cross-sectional structure schematic diagram of the present utility model;
Mark in figure: 1, outer metal net layer, 2, filter paper, 3, interior metal net layer, 4, spiral stream guidance bar, 5, vent, 6, end cover, 7, air-spreading disk, 8, cloth gas port, 9, breathing pipe.
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.
Composition graphs 1 and Fig. 2, cylindrical air filter for gas turbine of the present utility model, comprise cartridge filter skeleton, cartridge filter skeleton is made up of outer metal net layer 1 and interior metal net layer 3, outer metal net layer 1 and interior metal net layer 3 form cartridge filter skeleton, be provided with filter paper 2 between outer metal net layer 1 and interior metal net layer 3, the two ends of cartridge filter skeleton are connected to end cover 6, an end cover are connected with the breathing pipe 9 be communicated with cartridge filter skeletal internal; Outer metal net layer 1 is the tubular structure be made up of corrugated metal net layer, and interior metal net layer 3 is the tubular structure be made up of corrugated metal net layer, the crest of described outer metal net layer 1 and trough respectively with the crest of interior metal net layer 3 and trough mutually corresponding.The utility model, by changing outer metal net layer 1 and inner layer metal stratum reticulare 3 structure, had both added the area of the filter paper of placement, improved filter efficiency; The simultaneously filter paper 2 of the present utility model change that do not have structure unexpected, therefore, it is possible to prevent the change of the flow direction caused because of the folding of filter paper 2, thus makes air flow steadily on filter paper, is reduced by the compressed-air actuated pressure loss of breathing pipe introducing.
As a kind of preferred mode of the utility model, described breathing pipe 3 is communicated with air-spreading disk 7, the below of described air-spreading disk 7 evenly offers the cloth gas port 8 be communicated with breathing pipe 9, and described interior metal net layer 3 is provided with spiral stream guidance bar 4, and described spiral stream guidance bar 4 is inclined on interior metal net layer 3.In prior art, because the pressurized air introduced by breathing pipe has pressure, the filter paper therefore facing breathing pipe 9 direction plays the filtration of the overwhelming majority, and sections of filter paper fails to filter, thus causes the problem of filter efficiency difference.The utility model, by air-spreading disk 7 and the effect being threaded to water guiding strip 4, makes the filter paper 2 of each position to filter, thus improves filter efficiency.
Preferably, described spiral stream guidance bar 4 tilts towards cloth gas port 8, can increase the guide functions of spiral stream guidance bar 4, improves the utilization efficiency of filter paper further, improves filter efficiency.
As a kind of preferred mode of the utility model, the length that spiral stream guidance bar 4 extends interior metal net layer 3 increases gradually along with Hand of spiral, spiral stream guidance bar 4 can be improved further and distribute compressed-air actuated ability, upper and lower spiral stream guidance bar 4 can both be distributed pressurized air, make whole filter paper 2 to carry out filtration, purification.
Spiral stream guidance bar 4 of the present utility model offers vent 5, is convenient to compressed-air actuated mobility, thus improve the filtering effect of filter paper 2.
Embodiment one
The cylindrical air filter for gas turbine of the present embodiment, comprise cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, described outer metal net layer and interior metal net layer composition cartridge filter skeleton, filter paper is provided with between described outer metal net layer and interior metal net layer, the two ends of described cartridge filter skeleton are connected to end cover, an end cover are connected with the breathing pipe be communicated with cartridge filter skeletal internal; Described outer metal net layer is the tubular structure be made up of corrugated metal net layer, described interior metal net layer is the tubular structure be made up of corrugated metal net layer, the crest of described outer metal net layer and trough respectively with the crest of interior metal net layer and trough mutually corresponding.
Embodiment two
The cylindrical air filter for gas turbine of the present embodiment, comprise cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, described outer metal net layer and interior metal net layer composition cartridge filter skeleton, filter paper is provided with between described outer metal net layer and interior metal net layer, the two ends of described cartridge filter skeleton are connected to end cover, an end cover are connected with the breathing pipe be communicated with cartridge filter skeletal internal; Described outer metal net layer is the tubular structure be made up of corrugated metal net layer, described interior metal net layer is the tubular structure be made up of corrugated metal net layer, the crest of described outer metal net layer and trough respectively with the crest of interior metal net layer and trough mutually corresponding.Described breathing pipe is communicated with air-spreading disk, and the below of described air-spreading disk evenly offers the cloth gas port be communicated with breathing pipe, and described interior metal net layer is provided with spiral stream guidance bar, and described spiral stream guidance bar is inclined on interior metal net layer.
Embodiment three
The cylindrical air filter for gas turbine of the present embodiment, comprise cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, described outer metal net layer and interior metal net layer composition cartridge filter skeleton, filter paper is provided with between described outer metal net layer and interior metal net layer, the two ends of described cartridge filter skeleton are connected to end cover, an end cover are connected with the breathing pipe be communicated with cartridge filter skeletal internal; Described outer metal net layer is the tubular structure be made up of corrugated metal net layer, described interior metal net layer is the tubular structure be made up of corrugated metal net layer, the crest of described outer metal net layer and trough respectively with the crest of interior metal net layer and trough mutually corresponding.Described breathing pipe is communicated with air-spreading disk, and the below of described air-spreading disk evenly offers the cloth gas port be communicated with breathing pipe, and described interior metal net layer is provided with spiral stream guidance bar, and described spiral stream guidance bar is inclined on interior metal net layer.Described spiral stream guidance bar tilts towards cloth gas port.
Embodiment four
The cylindrical air filter for gas turbine of the present embodiment, comprise cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, described outer metal net layer and interior metal net layer composition cartridge filter skeleton, filter paper is provided with between described outer metal net layer and interior metal net layer, the two ends of described cartridge filter skeleton are connected to end cover, an end cover are connected with the breathing pipe be communicated with cartridge filter skeletal internal; Described outer metal net layer is the tubular structure be made up of corrugated metal net layer, described interior metal net layer is the tubular structure be made up of corrugated metal net layer, the crest of described outer metal net layer and trough respectively with the crest of interior metal net layer and trough mutually corresponding.Described breathing pipe is communicated with air-spreading disk, and the below of described air-spreading disk evenly offers the cloth gas port be communicated with breathing pipe, and described interior metal net layer is provided with spiral stream guidance bar, and described spiral stream guidance bar is inclined on interior metal net layer.Described spiral stream guidance bar tilts towards cloth gas port.The length that described spiral stream guidance bar extends interior metal net layer increases gradually along with Hand of spiral.
Embodiment five
The cylindrical air filter for gas turbine of the present embodiment, comprise cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, described outer metal net layer and interior metal net layer composition cartridge filter skeleton, filter paper is provided with between described outer metal net layer and interior metal net layer, the two ends of described cartridge filter skeleton are connected to end cover, an end cover are connected with the breathing pipe be communicated with cartridge filter skeletal internal; Described outer metal net layer is the tubular structure be made up of corrugated metal net layer, described interior metal net layer is the tubular structure be made up of corrugated metal net layer, the crest of described outer metal net layer and trough respectively with the crest of interior metal net layer and trough mutually corresponding.Described breathing pipe is communicated with air-spreading disk, and the below of described air-spreading disk evenly offers the cloth gas port be communicated with breathing pipe, and described interior metal net layer is provided with spiral stream guidance bar, and described spiral stream guidance bar is inclined on interior metal net layer.Described spiral stream guidance bar tilts towards cloth gas port.The length that described spiral stream guidance bar extends interior metal net layer increases gradually along with Hand of spiral.Described spiral stream guidance bar offers vent.
Claims (5)
1. the cylindrical air filter for gas turbine, it is characterized in that, comprise cartridge filter skeleton, described cartridge filter skeleton is made up of outer metal net layer and interior metal net layer, described outer metal net layer and interior metal net layer composition cartridge filter skeleton, be provided with filter paper between described outer metal net layer and interior metal net layer, the two ends of described cartridge filter skeleton are connected to end cover, an end cover are connected with the breathing pipe be communicated with cartridge filter skeletal internal; Described outer metal net layer is the tubular structure be made up of corrugated metal net layer, described interior metal net layer is the tubular structure be made up of corrugated metal net layer, the crest of described outer metal net layer and trough respectively with the crest of interior metal net layer and trough mutually corresponding.
2. according to claim 1 for gas turbine cylindrical air filter, it is characterized in that, described breathing pipe is communicated with air-spreading disk, the below of described air-spreading disk evenly offers the cloth gas port be communicated with breathing pipe, described interior metal net layer is provided with spiral stream guidance bar, and described spiral stream guidance bar is inclined on interior metal net layer.
3. according to claim 2ly it is characterized in that for gas turbine cylindrical air filter, described spiral stream guidance bar tilts towards cloth gas port.
4. arbitrary described for gas turbine cylindrical air filter according to claim 1-3, it is characterized in that, the length that described spiral stream guidance bar extends interior metal net layer increases gradually along with Hand of spiral.
5. according to claim 4ly to it is characterized in that for gas turbine cylindrical air filter, described spiral stream guidance bar offers vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744989.2U CN204402669U (en) | 2014-12-03 | 2014-12-03 | A kind of cylindrical air filter for gas turbine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744989.2U CN204402669U (en) | 2014-12-03 | 2014-12-03 | A kind of cylindrical air filter for gas turbine |
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| CN204402669U true CN204402669U (en) | 2015-06-17 |
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| CN201420744989.2U Active CN204402669U (en) | 2014-12-03 | 2014-12-03 | A kind of cylindrical air filter for gas turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500232A (en) * | 2014-12-03 | 2015-04-08 | 成都博世德能源科技股份有限公司 | Barrel-type air filter used for combustion gas turbine |
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2014
- 2014-12-03 CN CN201420744989.2U patent/CN204402669U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500232A (en) * | 2014-12-03 | 2015-04-08 | 成都博世德能源科技股份有限公司 | Barrel-type air filter used for combustion gas turbine |
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