CN102512884B - Air filtering device - Google Patents
Air filtering device Download PDFInfo
- Publication number
- CN102512884B CN102512884B CN201110448766.2A CN201110448766A CN102512884B CN 102512884 B CN102512884 B CN 102512884B CN 201110448766 A CN201110448766 A CN 201110448766A CN 102512884 B CN102512884 B CN 102512884B
- Authority
- CN
- China
- Prior art keywords
- filter
- level
- frame
- level filter
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention relates to an air filtering device, which comprises a primary filter, a secondary filter and a tertiary filter, wherein the primary filter, the secondary filter and the tertiary filter are sequentially arranged in an air inlet passage of a gas-turbine generator set at intervals, and the secondary filter and the tertiary filter are arranged on two mutually spaced filter frames respectively. The filter frames are fixedly mounted in the air inlet passage of the gas-turbine generator set through embedded parts. Therefore, air passing through the air inlet passage of the gas-turbine generator set is bound to sequentially pass through the primary filter, the secondary filter and the tertiary filter, so that filtering precision is improved, and dust-holding capacity is increased. Besides, the filters are convenient in mounting, and the filter frames can be further used for container type generator sets, universality and interchangeability of the air filtering device are enhanced, and production arrangements and manufacturing are facilitated.
Description
Technical field
The present invention relates to gas turbine field, especially, relate to a kind of air filter improving the air mass of Gas Turbine Generating Units.
Background technology
QDR20 type Gas Turbine Generating Units take air as working media, and utilize the air after compression carry out ventilating and cooling to high-temperature hot parts and seal lubricating oil, in order to ensure the normal operation of generating set and extend its service life, according to the air inlet requirement of gas turbine in the standard of HB7257-95, need to filter air dielectric.Existing Gas Turbine Generating Units air filter used is made up of secondary filter, refer to Fig. 1, comprise shutter 100, filter 300 and metal framework 200, wherein, shutter 100 and filter 300 are spaced in inlet channel successively, filter 300 is single-layer nonwoven, is pasted onto on metal framework 200.Though this kind of air filter structure is simple, this device holds that dirt rate is little, filtering accuracy is not high, versatility and interchangeability poor.
Summary of the invention
The object of the invention is the air filter providing a kind of tertiary filter to form, and to solve, secondary filter filter appearance dirt rate is little, filtering accuracy is not high, the technical problem of versatility and interchangeability difference.
For achieving the above object, according to an aspect of the present invention, provide a kind of air filter, comprise first order filter, second level filter and third level filter, in the spaced inlet channel being sequentially arranged in gas turbine generator group of first order filter, second level filter and third level filter.
Further, air filter also comprises interval and is fixed on multiple filter frames in the inlet channel of described gas turbine generator group, and second level filter and third level filter are separately positioned on filter frame.
Further, air filter also comprises built-in fitting, and each filter frame is fixedly installed in the inlet channel of gas turbine generator group by built-in fitting.
Further, the periphery of each filter frame is provided with installing hole, and filter frame is fixedly mounted in the inlet channel of gas turbine generator group by installing hole and built-in fitting.
Further, 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 in corresponding unit frame.
Further, 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.
Further, each filter frame is provided with some securing members, securing member 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.
Further, third level filter is bag filter.
Further, first order filter is shutter inertial filter.
Further, second level filter is folded metal filtration web filter.
The present invention has following beneficial effect: the present invention, relative to prior art, is made up of tertiary filter, and in the spaced inlet channel being sequentially arranged in gas turbine generator group of first order filter, second level filter and third level filter.Like this, air, in the inlet channel by gas turbine generator group, successively through the first filter, second level filter and third level metre filter, must improve filtering accuracy, increases dust containing capacity.And these first filters, second level filter and third level filter are easy for installation.In addition, filter frame can also be used for container-type generating set, adds versatility and the interchangeability of product, brings conveniently to Operational preparation and the manufacturing.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the secondary filter filter apparatus configuration schematic diagram of prior art;
Fig. 2 is the tertiary filter filter apparatus configuration schematic diagram of the preferred embodiment of the present invention;
Fig. 3 is the structural representation of the filter frame of the preferred embodiment of the present invention;
Fig. 4 is the structural representation of the securing member of the preferred embodiment of the present invention;
Fig. 5 is the structural representation of the undersized filter frame of the preferred embodiment of the present invention;
Fig. 6 is that schematic diagram is looked in the A-A portion of Fig. 3 of the preferred embodiment of the present invention; And
Fig. 7 is that schematic diagram is looked in the B-B portion of Fig. 6 of the preferred embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
See Fig. 2, the air filter of the preferred embodiment of the present invention adopts three-stage filtration, comprises first order filter 1, some second level filter 2 and some third level filters 3.In the spaced inlet channel being sequentially arranged in gas turbine generator group of first order filter 1, second level filter 2 and third level filter 3.Wherein, second level filter 2 and third level filter 3 are arranged on two spaced cover filter frames 4 respectively, and filter frame 4 is fixedly installed in the inlet channel of gas turbine generator group by built-in fitting 6.
See Fig. 3, each filter frame 4 is provided with some square holes 40, is provided with some for installing hole 400 hard-wired with built-in fitting 6 at the periphery of filter frame 4.On filter frame 4, the periphery of each square hole 40 is provided with a unit frame 41, and second level filter 2 or third level filter 3 are operationally arranged in unit frame 41.In order to easy to installation and maintenance, the periphery of second level filter 2 or third level filter 3 and the periphery of unit frame 41 leave gap, and gap is all sealed by filter seal pad 42.In order to ensure that location is reliable, unit frame 41 is also provided with securing member 43, composition graphs 4, securing member 43 comprises pressing plate 431 and the screw 432 of band through hole, the second level filter 2 of one end backstop in correspondence of pressing plate 431 or the periphery edge place of third level filter 3, then by screw 432 through after the through hole of pressing plate 431 by second level filter 2 or third level filter 3 backstop in unit frame 41.Preferably, after second level filter 2 or third level filter 3 are positioned over unit frame 41, second level filter 2 or third level filter 3 be not larger rocking in unit frame 41, and the sealing gasket 42 of second level filter 2 or third level filter 3 periphery seals reliably simultaneously.
See Fig. 5, in a preferred embodiment, also can be spliced to be formed by the filter frame 4 of several reduced sizes large-sized filter frame 4 of the inlet channel covering gas turbine generator group completely.Like this, after the filter frame 4 of one of them reduced size damages, pull down the filter frame 4 of the reduced size changing this damage, avoid waste, and be easy for installation and maintenance.Wherein, mutually abutted by the end contacted with each other between the filter frame 4 of this reduced size, and only have the side of the filter frame 4 of the reduced size on the top that to offset with four perisporiums of the inlet channel of gas turbine generator group to be provided with to fixedly mount installing hole 400 with built-in fitting 6.
According to the air inlet requirement of gas turbine in the standard of HB7257-95, and combine the filter specification and corresponding accuracy class that " the efficiency specification table of comparisons of air cleaner " select cost performance to be applicable to.Preferably, the first order filter 1 of QDR20 type Gas Turbine Generating Units adopts venetian blind type inertial filter, second level filter 2 adopts the roughing efficiency air filter that version is folded metal filter screen formula, filter efficiency is G2 ~ G4 level, and third level filter 3 adopts the high-medium efficient filter that version is pocket type, filter efficiency is F7 ~ F9 level.Selected roughing efficiency air filter structure is simple, and easy for installation, filtrate is linear accordion structure, and dust containing capacity is large, filtrate and housing sealant, Anti-air-leakage.Selected high-medium efficient filter is easy for installation, and dust containing capacity is large, whole useful life period internal efficiency stablize, " V " shape structure of filter bag of optimization, the low and long service life of resistance.
See Fig. 6 ~ 7, composition graphs 2 again, during air filter integral installation, first second level filter 2 or third level filter 3 are installed in the unit frame 41 of corresponding filter frame 4, the filter frame 4 that these two are equipped with second level filter 2 or third level filter 3 is respectively arranged in the inlet channel of gas turbine generator group by recycling installing hole 400 and built-in fitting 6 successively.The last air inlet termination again the first filter 1 being directly fastened in the inlet channel of gas turbine generator group, wherein, is equipped with the filter frame 4 of second level filter 2 between the first filter 1 and the filter frame 4 that third level filter 3 is housed.First filter 1 is venetian blind type inertial filter.Like this, air, in the inlet channel by gas turbine generator group, must filter through the first filter 1, second level filter 2 and third level filter 3 successively, improve filtering accuracy, increase dust containing capacity.And these first filters 1, second level filter 2 and third level filter 3 are easy for installation.In addition, filter frame 4 can also be used for container-type generating set, adds versatility and the interchangeability of product, brings conveniently to Operational preparation and the manufacturing.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. an air filter, it is characterized in that, comprise: first order filter (1), second level filter (2) and third level filter (3), in described first order filter (1), described second level filter (2) and the spaced inlet channel being sequentially arranged in gas turbine generator group of described third level filter (3); Described second level filter (2) and third level filter (3) are arranged on two spaced covers filter frame (4) respectively, the periphery of filter frame described in each (4) is provided with installing hole (400), and described filter frame (4) is fixedly mounted in the inlet channel of described gas turbine generator group by described installing hole (400) and built-in fitting (6); Described first order filter (1) is directly fastened in the air inlet termination of the inlet channel of gas turbine generator group, wherein, the filter frame (4) that described second level filter (2) is housed is positioned between described first order filter (1) and the filter frame (4) that described third level filter (3) is housed; Described filter frame (4) splices the large-sized filter frame to form the inlet channel covering gas turbine generator group completely by the filter frame of several reduced sizes; Described filter frame (4) is provided with some square holes (40), described in each, the periphery of square hole (40) is provided with a unit frame (41), and described second level filter (2) or described third level filter (3) are operationally arranged on corresponding described unit frame (41); Described third level filter (3) is bag filter, and described bag filter adopts " V " shape structure of filter bag;
Filter frame described in each (4) is provided with some securing members (43), described securing member (43) comprises pressing plate (431) and the screw (432) of band through hole, described pressing plate (431) backstop in the periphery edge place of the described third level filter (3) of described second level filter (2) of correspondence or correspondence, described screw (432) through after the through hole of described pressing plate (431) by described second level filter (2) or described third level filter (3) backstop in unit frame (41).
2. air filter according to claim 1, it is characterized in that, the periphery of described second level filter (2) and described third level filter (3) and the periphery of described unit frame (41) leave gap, and described gap is sealed by filter seal pad (42).
3. air filter according to claim 1, is characterized in that, described first order filter (1) is shutter inertial filter.
4. air filter according to claim 3, is characterized in that, described second level filter (2) is folded metal filtration web filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110448766.2A CN102512884B (en) | 2011-12-28 | 2011-12-28 | Air filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110448766.2A CN102512884B (en) | 2011-12-28 | 2011-12-28 | Air filtering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102512884A CN102512884A (en) | 2012-06-27 |
| CN102512884B true CN102512884B (en) | 2014-12-24 |
Family
ID=46284105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110448766.2A Expired - Fee Related CN102512884B (en) | 2011-12-28 | 2011-12-28 | Air filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102512884B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130315713A1 (en) * | 2012-05-22 | 2013-11-28 | General Electric Company | Device for filtering fluid in a power generating system |
| ITFI20130111A1 (en) * | 2013-05-14 | 2014-11-15 | Nuovo Pignone Srl | FILTERING CHAMBER FOR GAS TURBINES AND METHOD OF MAINTENANCE THEREOF |
| CN103490558B (en) * | 2013-09-18 | 2016-07-06 | 江苏金风科技有限公司 | Direct wind-driven generator cooling system |
| CN104548774B (en) * | 2014-11-26 | 2016-02-10 | 成都博世德能源科技股份有限公司 | A kind of three grades of air filtering systems for gas turbine |
| CN104514633A (en) * | 2014-11-28 | 2015-04-15 | 成都博世德能源科技股份有限公司 | Efficient three-level air filtration device for gas turbine |
| CN104667661A (en) * | 2015-02-04 | 2015-06-03 | 刘宗宝 | Separation and filtering device and range hood |
| CN110307090B (en) * | 2019-06-14 | 2022-05-24 | 江苏欧瑞特新材料有限公司 | V-shaped filter element filter of gas turbine |
| CN112495068A (en) * | 2020-11-16 | 2021-03-16 | 无锡华南钢结构环保有限公司 | High efficiency filter installation frame for combustion engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2611614Y (en) * | 2003-04-11 | 2004-04-14 | 中国南方航空动力机械公司 | Gas compressor unit of gas turbine |
| CN201165904Y (en) * | 2008-01-21 | 2008-12-17 | 河南省中原大化集团有限责任公司 | Gas turbine entrance air pre-filtration apparatus |
| CN201899943U (en) * | 2010-12-17 | 2011-07-20 | 昱鑫科技(苏州)有限公司 | Air filter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4640895B2 (en) * | 2001-03-29 | 2011-03-02 | 日本無機株式会社 | High performance filter for gas turbine intake and gas turbine intake filter unit using the same |
| JP4117174B2 (en) * | 2002-09-30 | 2008-07-16 | 日本無機株式会社 | Gas turbine intake filter device |
| US8052770B2 (en) * | 2009-03-13 | 2011-11-08 | General Electric Company | Filter retainer for turbine engine |
-
2011
- 2011-12-28 CN CN201110448766.2A patent/CN102512884B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2611614Y (en) * | 2003-04-11 | 2004-04-14 | 中国南方航空动力机械公司 | Gas compressor unit of gas turbine |
| CN201165904Y (en) * | 2008-01-21 | 2008-12-17 | 河南省中原大化集团有限责任公司 | Gas turbine entrance air pre-filtration apparatus |
| CN201899943U (en) * | 2010-12-17 | 2011-07-20 | 昱鑫科技(苏州)有限公司 | Air filter |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-124764A 2004.04.22 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102512884A (en) | 2012-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102512884B (en) | Air filtering device | |
| CA2930302C (en) | Gas turbine filtration system with inlet filter orientation assembly | |
| AU2012326651B2 (en) | Air filter with balanced seal | |
| WO2009124284A3 (en) | Filter element, dust collector, and methods | |
| CN108789689B (en) | Furniture processing sweeps recovery unit | |
| CN210331997U (en) | High-efficient dry-type filter device | |
| CN108939735B (en) | Air purifier | |
| CN104500229A (en) | Efficient tertiary air filtration system | |
| CN104548774B (en) | A kind of three grades of air filtering systems for gas turbine | |
| CN101357283A (en) | Antipollution filter bent with quick clamp shaft | |
| CN208678620U (en) | A kind of HEPA efficient filter structure of fast demountable | |
| CN212651486U (en) | Filter equipment for air generator convenient to change filter screen | |
| CN204107194U (en) | A kind of two wind wheel Bidirectional air inlet purifier | |
| CN203663587U (en) | Precise filtration device | |
| CN210544198U (en) | Drawer type active carbon adsorption box | |
| CN216170873U (en) | Multilayer formula filtering component for dust filter | |
| CN216498203U (en) | Filter element for air filter of pharmaceutical workshop | |
| CN213467153U (en) | Air cleaner's protector | |
| CN210278588U (en) | Air filter | |
| CN214836615U (en) | High-efficiency oil filter convenient to disassemble and assemble | |
| CN216498087U (en) | High-efficiency filter without partition plate | |
| CN219023710U (en) | Preparation high-purity oxygen purification oxygenerator | |
| CN204344279U (en) | A kind of efficient three grades of air filtering systems | |
| CN210934349U (en) | Purification device capable of being clamped at air outlet of air conditioner to filter PM2.5 and formaldehyde | |
| CN216703700U (en) | High-efficient filter screen with adjustable filter area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20171228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |