CN104759142B - Combination filter - Google Patents
Combination filter Download PDFInfo
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- CN104759142B CN104759142B CN201510170957.5A CN201510170957A CN104759142B CN 104759142 B CN104759142 B CN 104759142B CN 201510170957 A CN201510170957 A CN 201510170957A CN 104759142 B CN104759142 B CN 104759142B
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- washing away
- oil
- oil filter
- conical cavity
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Abstract
The invention belongs to aero-turbine fuel system pollution control technology field, specifically a kind of combination filter, including from washing away oil filter skeleton, described connection from the oil return opening washing away oil filter skeleton has from washing away oil filter oil return pipe, from washing away, oil filter skeleton entrance point is fixing connects turbulence promoter, the entrance point of turbulence promoter is connected with certainly washing away oil filter inlet tube, described from wash away oil filter skeleton on be provided with from wash away oil filter filter screen, corresponding to leaching hydraulic fluid port from washing away oil from washing away to offer at oil filter filter screen on turbulence promoter, described leach hydraulic fluid port and whirlpool oil filter inlet tube and be connected from washing away oil.Product structure of the present invention is simple, reasonable, can effectively solve the problem that the problem that existing product water environment capacity is poor, maintenance period is short in the course of the work, uses this product can greatly reduce the accumulation of pollutants of surface of filter medium, effectively extends the product maintenance cycle.
Description
Technical field
The invention belongs to aero-turbine fuel system pollution control technology field, specifically a kind of combination filter.
Background technology
Greasy dirt dye is the main cause causing aero-engine hydraulic system fault.Along with the use of the high response element of high accuracy, the requirement of luboil cleanness is improved by hydraulic system day by day.The filter of current domestic engine hydraulic system many employings active interception formula oil i.e. uses surface or depth medium of filter to be purged the solid particle etc. in fuel oil, but owing to its filtration mechanism exists certain limitation, pollutant are easily in surface of filter medium and inside deposition, blocking filter element, cause flow resistance to increase, thus cause that filter water environment capacity is poor, maintenance period is short.
The one of 3D printing technique, i.e. Rapid Prototyping technique, is based on mathematical model file, use powdery metal or plastics etc. can jointing material, by the way of successively printing, carry out the technology of constructed object.In conjunction with dimensional Modeling Technology and 3D printing technique, by the part printing shaping with complex-curved shape, for shortening the lead time of product, reducing new product development cost, there are very important meaning and value.
Summary of the invention
The present invention is directed to the problems referred to above, it is provided that one combined filter, use this filter can greatly reduce the accumulation of pollutants of surface of filter medium, water environment capacity is considerably beyond the active interception formula oil filter using static filtering mode, it is possible to effectively extend maintenance period.
According to technical scheme: one combined filter, it is characterized in that: include from washing away oil filter skeleton, described connection from the oil return opening washing away oil filter skeleton has from washing away oil filter oil return pipe, from washing away, oil filter skeleton entrance point is fixing connects turbulence promoter, the entrance point of turbulence promoter is connected with certainly washing away oil filter inlet tube, described from wash away oil filter skeleton on be provided with from wash away oil filter filter screen, corresponding to leaching hydraulic fluid port from washing away oil from washing away to offer at oil filter filter screen on turbulence promoter, described leach hydraulic fluid port and be connected with whirlpool oil filter inlet tube from washing away oil；Described whirlpool oil filter inlet tube lower port is connected with conical cavity, it is fixedly connected with sewage sump on described conical cavity, conical cavity free end connection sewage sump inner chamber, conical cavity inner chamber is fixedly installed guide vane, the outlet of described guide vane is connected with whirlpool oil filter outlet, and the oil-out of described sewage sump is connected with whirlpool oil filter oil return opening pipe, and the centre of gyration of guide vane is through hole, this through hole front end is connected with conical cavity, and rear end connects has whirlpool oil to filter outlet.
As a further improvement on the present invention, the connection end of described sewage sump is opening-like.
As a further improvement on the present invention, described conical cavity is connected the diameter diameter more than conical cavity free end of end with guide vane.
As a further improvement on the present invention, gap is formed between described guide vane body surface and conical cavity.
The method have technical effect that: product structure of the present invention is simple, rationally, can effectively solve the problem that the problem that existing product water environment capacity is poor, maintenance period is short in the course of the work, use this product can greatly reduce the accumulation of pollutants of surface of filter medium, effectively extend the product maintenance cycle.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of turbulence promoter；
Fig. 3 is the structural representation of guide vane.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is further described.
In Fig. 1 ~ 3, including from washing away oil filter inlet tube 1, turbulence promoter 2, certainly washing away oil filter filter screen 3, certainly wash away oil filter oil return pipe 4, certainly wash away oil filter skeleton 5, whirlpool oil filter inlet tube 6, guide vane 7, whirlpool oil filter outlet 8, conical cavity 9, sewage sump 10, whirlpool oil filter oil return opening pipe 11 etc..
As shown in Figure 1, the present invention is that one combined filter, including from washing away oil filter skeleton 5, described connection from the oil return opening washing away oil filter skeleton 5 has from washing away oil filter oil return pipe 4, from washing away, oil filter skeleton 5 entrance point is fixing connects turbulence promoter 2, the entrance point of turbulence promoter 2 is connected with certainly washing away oil filter inlet tube 1, described from wash away oil filter skeleton 5 on be provided with from wash away oil filter filter screen 3, corresponding to offering whirlpool oil and leach hydraulic fluid port at oil filter filter screen 3 from washing away on turbulence promoter 2, described whirlpool oil leaches hydraulic fluid port and is connected with whirlpool oil filter inlet tube 6；Described whirlpool oil filter inlet tube 6 lower port is connected with conical cavity 9, it is fixedly connected with sewage sump 10 on described conical cavity 9, conical cavity 9 free end connection sewage sump 10 inner chamber, conical cavity 9 inner chamber is fixedly installed guide vane 7, the outlet of described guide vane 7 is connected with whirlpool oil filter outlet 8, and the oil-out of described sewage sump 10 is connected with whirlpool oil filter oil return opening pipe 11, and the centre of gyration of guide vane 7 is through hole, this through hole front end is connected with conical cavity 9, and rear end connects has whirlpool oil to filter outlet 8.
The connection end of sewage sump 10 is opening-like, uses tightness to coordinate between sewage sump 10 with conical cavity 9.
Conical cavity 9 is connected the diameter diameter more than conical cavity 9 free end of end with guide vane 7.
Forming gap between guide vane 7 body surface and conical cavity 9, guide vane 7 circumferential surface forms helical blade shape, it is achieved the effect of water conservancy diversion.
The operation principle of product of the present invention is as follows: fuel oil passes through certainly to wash away oil filter inlet tube 1 and enters, and is washed away from washing away the oily pollutant filtering filter screen 3 surface sediment by turbulence promoter 2, pollutes fluid and discharged by certainly washing away oil return opening pipe 4.Fuel oil once filters by certainly washing away oil filter filter screen 3, fuel oil after filtration filters inlet tube 6 by whirlpool oil, the filter of whirlpool oil is entered by the tangential inlet of conical cavity 9, rotational flow is formed by guide vane 7 and conical cavity 9, (whirlpool oil filter oil return opening pipe 11 and whirlpool oil filter outlet 8) is exported at two owing to existing, fluid is during rotational flow, define contour stealth and inward eddy, solid particle is bigger than fluid, time under the influence of centrifugal action radially with axially-movable, enter outer vortex field, cone base is arrived under the constraint of conical cavity 9 barrel, the liquid being mixed with solid particle enters sewage sump 10, discharge from whirlpool oil filter oil return opening 11；Conical cavity 9 central area can form inward eddy simultaneously, moves upward along central axis, and clean liquid is discharged from whirlpool oil filter outlet 8 through guide vane 7 central through hole.
Understood the accumulation of pollutants that can be greatly reduced surface of filter medium by combination filter by analysis above, be better than active interception formula oil of the same race filter through experimental test and relative analysis, water environment capacity and service life.
As shown in Figure 2,3, heretofore described turbulence promoter 2, inlet guide vane 7 have more complicated surface modeling (surface both is respectively formed the helical blade for water conservancy diversion), being greatly improved the filter efficiency of combination oil filter, employing traditional handicraft difficulty of processing is big and cost is high.The present invention uses 3D printing technique molding, greatly reduces its complex-curved processing cost and process-cycle.
Product of the present invention is implemented on certain type aeroderivative gas turbine controls, it is possible to ensure filtering accuracy and the water environment capacity of filter.
Claims (2)
1. a combination filter, including from washing away oil filter skeleton (5), described connection from the oil return opening washing away oil filter skeleton (5) has from washing away oil filter oil return pipe (4), from washing away, oil filter skeleton (5) entrance point is fixing connects turbulence promoter (2), the entrance point of turbulence promoter (2) is connected with certainly washing away oily filter inlet tube (1), described it is provided with from washing away oil filter filter screen (3) on oil filter skeleton (5) from washing away, turbulence promoter (2) offers certainly that washing away oil leaches hydraulic fluid port corresponding to certainly washing away oil filter filter screen (3) place；It is characterized in that: described leach hydraulic fluid port and whirlpool oil and filter inlet tube (6) and be connected from washing away oil；Described whirlpool oil filter inlet tube (6) lower port is connected with conical cavity (9), sewage sump (10) it is fixedly connected with on described conical cavity (9), conical cavity (9) free end connection sewage sump (10) inner chamber, conical cavity (9) inner chamber is fixedly installed guide vane (7), the outlet of described guide vane (7) is connected with whirlpool oil filter outlet (8), the oil-out of described sewage sump (10) is connected with whirlpool oil filter oil return opening pipe (11), the centre of gyration of guide vane (7) is through hole, this through hole front end is connected with conical cavity (9), rear end connects whirlpool oil filter outlet (8)；
Described conical cavity (9) is connected the diameter diameter more than conical cavity (9) free end of end with guide vane (7)；Gap is formed between described guide vane (7) body surface and conical cavity (9).
2. according to the combination filter described in claim 1, it is characterized in that: the connection end of described sewage sump (10) is opening-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170957.5A CN104759142B (en) | 2015-04-10 | 2015-04-10 | Combination filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170957.5A CN104759142B (en) | 2015-04-10 | 2015-04-10 | Combination filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759142A CN104759142A (en) | 2015-07-08 |
| CN104759142B true CN104759142B (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510170957.5A Active CN104759142B (en) | 2015-04-10 | 2015-04-10 | Combination filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN104759142B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762869B (en) * | 2016-12-27 | 2018-10-30 | 扬州市杭集创意设计园有限公司 | Breather for hydraulic oil tank spiral separating device |
| CN106762867B (en) * | 2016-12-27 | 2018-10-26 | 南京清泽田工程机械有限公司 | Breather for hydraulic oil tank |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314089B (en) * | 2007-05-29 | 2011-06-08 | 崔卫华 | Whirling current filtering and separating machine |
| CN201823373U (en) * | 2010-09-02 | 2011-05-11 | 上海安赐机械设备有限公司 | Mechanical self-cleaning type continuous filter |
| CN201871264U (en) * | 2010-10-31 | 2011-06-22 | 扬州龙锦涂装环保设备有限公司 | Automatic spiral cleaning filter |
| CN202802964U (en) * | 2012-07-26 | 2013-03-20 | 李永奇 | Forced sand setting type centrifugal drip irrigation filter |
| CN203139775U (en) * | 2013-01-14 | 2013-08-21 | 山西潞安矿业(集团)有限责任公司 | Oil filter |
| CN203971481U (en) * | 2014-07-17 | 2014-12-03 | 张掖市远大节水器材工贸有限责任公司 | The centrifugal filter of irrigating for field |
| CN204699514U (en) * | 2015-04-10 | 2015-10-14 | 中国航空工业集团公司航空动力控制***研究所 | Combination filter |
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2015
- 2015-04-10 CN CN201510170957.5A patent/CN104759142B/en active Active
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| CN104759142A (en) | 2015-07-08 |
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Address after: No. 104, Liangxi Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: AECC AERO ENGINE CONTROL SYSTEM INSTITUTE Address before: 214063 Jiangsu province Binhu District of Wuxi City Liangxi Road No. 792 Patentee before: AVIC AVIATION MOTOR CONTROL SYSTEM INSTITUTE |
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| CP03 | Change of name, title or address |