CN203663580U - Foam metal filtration type oil separator - Google Patents
Foam metal filtration type oil separator Download PDFInfo
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- CN203663580U CN203663580U CN201320896368.1U CN201320896368U CN203663580U CN 203663580 U CN203663580 U CN 203663580U CN 201320896368 U CN201320896368 U CN 201320896368U CN 203663580 U CN203663580 U CN 203663580U
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- foam metal
- oil guide
- metal filter
- oil
- guide groove
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Abstract
The utility model discloses a foam metal filtration type oil separator. The oil separator comprises an outer barrel, wherein an air inlet port and an air outlet pipe are arranged at the top of the outer barrel, the bottom end of the air outlet pipe extends to a cavity in the outer barrel, the cavity is separated from an oil collecting cavity below the cavity by an oil dropping umbrella, an oil dropping hole is formed below the oil dropping umbrella, an oil outlet is formed in the center of the bottom surface of the oil collecting cavity, the outer barrel is provided with three foam metal filter layers sequentially from top to bottom, a plurality of annular oil guide grooves and a plurality of centripetal oil guide grooves are formed between every two foam metal filter layers, an oil guide pipe with the top end sealed extends to a bottom end opening in the cavity and is provided with an oil storage elbow, and the oil guide pipe is communicated with the centripetal oil guide grooves respectively. According to the oil separator, an air flow mixed with oil drops is filtered by the three foam metal filter layers, and the air flow is discharged through the air outlet pipe after most of the oil drops are filtered out; the filtered-out oil drops drop to the oil dropping umbrella through the annular oil guide grooves, the centripetal oil guide grooves and the oil guide pipe, then arrive at the oil collecting cavity through the oil dropping hole and are discharged through the oil outlet finally.
Description
Technical field
The utility model relates to a kind of oil eliminator, in particular, relates to the equipment between a kind of compressor outlet and condenser inlet that is arranged on refrigeration system, can separate and unify and reclaim being mixed in oil droplet in gases at high pressure.
Background technology
In refrigeration system, the superheat state of cold-producing medium after compression in high pressure-temperature.Flow velocity while discharge due to it is fast, temperature is high, and part lubricating oil on cylinder wall is owing to being subject to high temperature action, becomes unavoidably oil vapour and oil droplet particulate and refrigerant vapour together to discharge.Oil eliminator is exactly the equipment between a kind of compressor outlet and condenser inlet that is arranged on refrigeration system, can play and separates and unify the effect of reclaiming being mixed in oil droplet in high pressure mixed gas.
According to principle and immanent structure, oil eliminator is mainly divided into two kinds at present: filter type oil separator and centrifugal oil separator.Filter type oil separator mainly adopt multilayer steel mesh overlap form cross filter core, due to the stacked not support between multilayer steel mesh, be easy to cause between layers sticky of steel mesh and or subside, even may cause certain air flow shortcircuit, separating effect is had a greatly reduced quality.Meanwhile, composite steel stratum reticulare stack structure is also unfavorable for oily gathering and backflow, and the oil droplet steel mesh mesh that can stop up agglomerated together increases circulation pressure drop.In addition, in filter process, be also that big or small oil droplet is considered together, in the selection of steel mesh order number, be short of reasonability, cause the excessive or filter efficiency of pressure drop to decline.
Centrifugal oil separator mainly relies on rotation to produce centrifugal force large oil droplet is thrown on wall, the object separating to reach gas and oil, but to the effect of droplet little.The little meeting of centrifugal force that droplet is subject to causes droplet to flow out along with air-flow, cannot be separated, and causes separating effect not good.
Therefore the separating effect that, how further to improve oil eliminator is still the problem existing in present engineering.
Utility model content
To be solved in the utility model is that Oil in circulating gas drips and can not effectively be separated, air-flow pressure drop is large, the technical problem that isolated oil can not effectively reflux simultaneously, a kind of foam metal filter type oil separator is provided, adopt foam metal material to be made into an inner filtration facility, effectively improve separative efficiency.
In order to solve the problems of the technologies described above, the utility model is achieved by following technical scheme:
A kind of foam metal filter type oil separator, comprise vertical cylindrical urceolus, described urceolus top is provided with intake interface, described urceolus top center is fixedly connected with outtake tube, described outtake tube top stretches out in described urceolus, bottom extends to the cavity in described urceolus, the collection chamber of described cavity and its below is separated by the oily umbrella that falls, described fall oily umbrella below be provided with oilhole, described collection chamber bottom center is provided with oil-out, in described urceolus, be disposed with from top to bottom the first foam metal filter course, the second foam metal filter course and the 3rd foam metal filter course, more than described the 3rd foam metal filter course bottom surface is positioned at described outtake tube bottom, described the second foam metal filter course end face is provided with multiple the first annular oil guide grooves and multiple the first centripetal oil guide groove, and described the first annular oil guide groove and described the first centripetal oil guide groove are interconnected, described the 3rd foam metal filter course end face is respectively arranged with multiple the second annular oil guide grooves and multiple the second centripetal oil guide groove, and described the second annular oil guide groove and described the second centripetal oil guide groove are interconnected, described outtake tube sidepiece is provided with the oil guide pipe of top closure, described oil guide pipe extends to the bottom end opening in described cavity and has trapped fuel elbow, on described oil guide pipe, be respectively arranged with the first spill port and the second spill port, described the first spill port communicates with one of described first centripetal oil guide groove, and described the second spill port communicates with one of described second centripetal oil guide groove.
The foam metal skeleton surface of described the first foam metal filter course, described the second foam metal filter course and described the 3rd foam metal filter course is all enclosed with oleophobic coating.
The foam metal aperture of described the first foam metal filter course, described the second foam metal filter course and described the 3rd foam metal filter course reduces successively.
The foam metal aperture of described the first foam metal filter course is 5～10mm, and the foam metal aperture of described the second foam metal filter course is 0.1～5mm, and the foam metal aperture of described the 3rd foam metal filter course is 0.01～1mm.
The bottom surface of described the first foam metal filter course, end face and the bottom surface of described the second foam metal filter course, the end face of described the 3rd foam metal filter course and bottom surface are downward-sloping to center by periphery, and angle of inclination is 3～5 °.
Described the first annular oil guide groove, described the first centripetal oil guide groove, described the second annular oil guide groove, described the second centripetal oil guide groove are all made of metal.
The degree of depth of described the first annular oil guide groove, described the first centripetal oil guide groove, described the second annular oil guide groove, described the second centripetal oil guide groove is 1～5cm.
The quantity of described the first annular oil guide groove and described the second annular oil guide groove is 3～5, and the quantity of described the first centripetal oil guide groove and described the second centripetal oil guide groove is 10～15.
Multiple described the first annular oil guide grooves filter on end face uniform at described the second foam metal layer, multiple described the first centripetal oil guide groove are filtered on end face uniform at described the second foam metal layer; Multiple described the second annular oil guide grooves filter on end face uniform at described the 3rd foam metal layer, multiple described the second centripetal oil guide groove are filtered on end face uniform at described the 3rd foam metal layer.
Described the first centripetal oil guide groove has a down dip domatic with the lower edge mask that described the first spill port is connected; Described the second centripetal oil guide groove has a down dip domatic with the lower edge mask that described the second spill port is connected.
The beneficial effects of the utility model are:
The utility model adopts three layers of foam metal filter course to filter, be applied to the filter of oil eliminator by foam metal, foam metal is made up of rigid metal skeleton and inner void, there is excellent physical characteristic and good mechanical performance, its proportion is little, be difficult for by air-flow punching distortion, porosity is high, pore surface area is large, can increase air-flow and pass through area, in addition the scrambling of hole and randomness, greatly strengthen the probability of oil droplet and the collision of rigid metal skeleton, can form effective interception to oil droplet, play the effect of high efficiency filter, gas and oil separating effect is improved.
And through the processing of oleophobic coating, make foam metal skeleton be coated with oleophobic coating on the rigid metal skeleton of foam metal, make oil be difficult for being bonded at metallic framework surface, be conducive to the cohesion of oil droplet and flow by channeling direction, also avoid blocking foam metal hole.
Simultaneously, the difficulty or ease that can separate from big to small according to oil droplet, porosity and pore-size to three layers of foam metal filter course are effectively selected, make air-flow first pass through the foam metal material that hole is large, afterwards at the little foam metal material of process hole, make oil droplet in separation process, gradually become droplet, reduce the resistance of gas communication simultaneously.
In addition, on foam metal filter course, oil guide groove is set, oil guide groove guiding institute separates the fuel-displaced flow direction so that the rapid collection of oil refluxes, and avoids due to the hole in oil droplet gathering obstruction foam metal filter course simultaneously.
Therefore, the air-flow that is mixing oil droplet filters through three layers of foam metal filter course, and three layers of foam metal filter course aperture successively reduce, and can reach best hydrocarbon filter separating effect.Air-flow after the most of oil droplet of elimination is discharged through outtake tube; And the oil droplet being filtered out falls to falling oily umbrella through hoop oil guide groove and centripetal oil guide groove, oil guide pipe, then arrive collection chamber through the oilhole that falls, discharge finally by oil-out.The utility model can make the oil content in air-flow be reduced to 0.01%, and oily separating effect reaches more than 99%, pressure drop can be reduced to the half of the conventional oil separator of same efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of foam metal filter type oil separator provided by the utility model;
Fig. 2 is the A1-A1 profile of Fig. 1;
Fig. 3 is the partial view of P1 part in Fig. 2;
Fig. 4 is the A1-A1 profile of Fig. 2;
Fig. 5 is the partial view of P2 part in Fig. 3;
Fig. 6 is the A3-A3 profile of Fig. 2.
In figure: 1, intake interface; 2, outtake tube; 3, urceolus; 41, the first foam metal filter courses;
42, the second foam metal filter courses; 43, the three foam metal filter courses; 51, the first annular oil guide grooves;
52, the first centripetal oil guide groove; 53, the second annular oil guide grooves; 54, the second centripetal oil guide groove; 6, oil guide pipe;
61, the first spill ports; 62, the second spill ports; 63, trapped fuel elbow; 7, cavity; 8, oily umbrella falls; 9, oilhole falls;
10, collection chamber; 11, oil-out; 12, support.
The specific embodiment
For further understanding summary of the invention of the present utility model, feature and effect, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
As depicted in figs. 1 and 2, the present embodiment discloses a kind of foam metal filter type oil separator, this foam metal filter type oil separator has vertical cylindrical urceolus 3, and urceolus 3 bottoms are provided with the support 12 for supporting urceolus 3, and urceolus 3 tops are provided with intake interface 1 and outtake tube 2.Intake interface 1 one end is communicated with urceolus 3 tops, and the other end is for passing into the gas that is mixing oil droplet.Outtake tube 2 is positioned at the center at urceolus 3 tops, and its top stretches out in urceolus 3, bottom extends to the cavity 7 in urceolus 3, and cavity 7 is positioned at the 3rd foam metal filter course below 43.
Urceolus 3 inside are disposed with more than the first foam metal filter course 41, the second foam metal filter course 42 and the 3rd foam metal filter course 43, the three foam metal filter course 43 bottom surfaces are positioned at outtake tube 2 bottoms from top to bottom.The first foam metal filter course 41, the second foam metal filter course 42 and the 3rd foam metal filter course 43 are made by foam metal, and foam metal can be selected foam copper, foamed aluminium, foam iron and nickel foam etc.
The thickness of the first foam metal filter course 41, the second foam metal filter course 42 and the 3rd foam metal filter course 43 can be according to the feature setting of oil droplet and air-flow, so that the oil droplet of the different sizes of more effective interception makes pressure drop reach minimum simultaneously.And the first foam metal filter course 41, the second foam metal filter course 42 and the 3rd foam metal filter course 43 all pass through oleophobic processing, make its foam metal skeleton surface all be enclosed with oleophobic coating, thereby make foam metal there is fuel shedding quality, and then make oil droplet be difficult for being bonded on the metallic framework of foam metal, more easily tumble and condense and reflux, prevent that oil droplet from blocking the inner void of foam metal, pressure drop raises.
The foam metal aperture of the first foam metal filter course 41, the second foam metal filter course 42 and the 3rd foam metal filter course 43 successively reduces successively.Wherein, the foam metal pore diameter range of the first foam metal filter course 41 is at 5～10mm, and the foam metal pore diameter range of the second foam metal filter course 42 is at 0.1～5mm, and the foam metal pore diameter range of the 3rd foam metal filter course 43 is at 0.01～1mm.Like this, after the filtration of the first foam metal filter course 41, the second foam metal filter course 42 and the 3rd foam metal filter course 43 reducing layer by layer through pore size filter, can reach best hydrocarbon filter separating effect.
The bottom surface of the first foam metal filter course 41, end face and the bottom surface of the second foam metal filter course 42, the end face of the 3rd foam metal filter course 43 and bottom surface are downward-sloping to center by periphery, angle of inclination is 3～5 °, makes oil can rely on gravity to flow to channeling direction.
The degree of depth that the second foam metal filter course 42 end faces are provided with metal the first annular oil guide groove 51 and the first centripetal oil guide groove 52, the first annular oil guide grooves 51 and the first centripetal oil guide groove 52 is 1～5cm.The first annular oil guide groove 51 and the first centripetal oil guide groove 52 are made of metal, and can guarantee that like this it is high temperature resistant indeformable, can not dissolve by lubricated oil simultaneously.The quantity of the first annular oil guide groove 51 is generally 3～5, and spacing equates each other; The quantity of the first centripetal oil guide groove 52 is generally 10～15, and apart angle is consistent.Multiple the first annular oil guide grooves 51 and multiple the first centripetal oil guide groove 52 are interconnected, thereby form the Oil Guide network of the first foam metal filter course 41 bottoms, make the oil flowing down from ground floor foam metal filter course 41 can enter this Oil Guide network, prevent that oil from blocking the hole of the second foam metal filter course 42 and the 3rd foam metal filter course 43.
As shown in Figure 4, the degree of depth that the 3rd foam metal filter course 43 end faces are provided with metal the second annular oil guide groove 53 and the second centripetal oil guide groove 54, the second annular oil guide grooves 53 and the second centripetal oil guide groove 54 is 1～5cm.The second annular oil guide groove 53 and the second centripetal oil guide groove 54 are made of metal, and can guarantee that like this it is high temperature resistant indeformable, can not dissolve by lubricated oil simultaneously.The quantity of the second annular oil guide groove 53 is generally 3～5, and spacing equates each other; The quantity of the second centripetal oil guide groove 54 is generally 10～15, and apart angle is consistent.Multiple the second annular oil guide grooves 53 and multiple the second centripetal oil guide groove 54 are interconnected, thereby form the Oil Guide network of the second foam metal filter course 42 bottoms, make the oil flowing down from second layer foam metal filter course 42 can enter this Oil Guide network, prevent that oil from blocking the hole of the 3rd foam metal filter course 43.
Shown in Fig. 5, outtake tube 2 sidepieces are provided with oil guide pipe 6, oil guide pipe 6 top closure, oil guide pipe 6 bottoms extend in cavity 7, and oil guide pipe 6 bottoms have a trapped fuel elbow 63, the fluid accumulating in trapped fuel elbow 63 can be opened the fluid partitioning in the fluid in oil guide pipe 6 and cavity 7, avoids directly not entering into cavity 7 through the fluid filtering.
Finally, the oil droplet being filtered out by the first foam metal filter course 41, the second foam metal filter course 42 enters oil guide pipe 6, and the oil in oil guide pipe 6 enters cavity 7 by trapped fuel elbow 63 overflows of its bottom.The oil droplet being filtered out by the 3rd foam metal filter course 43 will be directly to falling into cavity 7.
The 3rd foam metal filter course 43 belows are cavity 7, and cavity 7 belows are collection chamber 10.Between cavity 7 and collection chamber 10, separated by the oily umbrella 8 that falls, the umbrella disc structure of oily umbrella 8 for being supported by some support columns falls.Fall under oily umbrella 8 and be provided with oilhole 9, the diameter of the oilhole 9 that falls is less than to fall the diameter projected of oily umbrella 8.The oil droplet that falls into cavity 7 can flow to oily umbrella 8 times along the gradient of the oily umbrella 8 that falls, and flows through support column, is finally flowed out by the oilhole 9 that falls.
The oily umbrella 8 that falls also can stop gas to continue to flow downward, and avoids gas to enter collection chamber 10 by the oilhole 9 that falls, and the oily umbrella 8 that simultaneously falls can prevent from discharging the disturbance of air-flow near the oil oilhole 9 that falls, and is conducive to the smooth discharge of oil.
As shown in Figure 6, collection chamber 10 bottom center are provided with oil-out 11, and oil collects storage in collection chamber 10, and can flow out collection chamber 10 by oil-out 11.
Visible, the air-flow that is mixing oil droplet enters after this foam metal filter type oil separator, carry out filtration through the first foam metal filter course 41, the second foam metal filter course 42 and the 3rd foam metal filter course 43, after the most of oil droplet of elimination, discharge through outtake tube 2; And the oil droplet being filtered out is through oil guide pipe 6 or directly fall to falling oily umbrella 8, then arrive collection chamber 10 through the oilhole 9 that falls, discharge finally by oil-out.
Although by reference to the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that aim of the present invention and claim protect, can also make the concrete conversion of a lot of forms, within these all belong to protection domain of the present utility model.
Claims (10)
1. a foam metal filter type oil separator, comprise vertical cylindrical urceolus, described urceolus top is provided with intake interface, described urceolus top center is fixedly connected with outtake tube, described outtake tube top stretches out in described urceolus, bottom extends to the cavity in described urceolus, the collection chamber of described cavity and its below is separated by the oily umbrella that falls, described fall oily umbrella below be provided with oilhole, described collection chamber bottom center is provided with oil-out, it is characterized in that, in described urceolus, be disposed with from top to bottom the first foam metal filter course, the second foam metal filter course and the 3rd foam metal filter course, more than described the 3rd foam metal filter course bottom surface is positioned at described outtake tube bottom, described the second foam metal filter course end face is provided with multiple the first annular oil guide grooves and multiple the first centripetal oil guide groove, and described the first annular oil guide groove and described the first centripetal oil guide groove are interconnected, described the 3rd foam metal filter course end face is respectively arranged with multiple the second annular oil guide grooves and multiple the second centripetal oil guide groove, and described the second annular oil guide groove and described the second centripetal oil guide groove are interconnected, described outtake tube sidepiece is provided with the oil guide pipe of top closure, described oil guide pipe extends to the bottom end opening in described cavity and has trapped fuel elbow, on described oil guide pipe, be respectively arranged with the first spill port and the second spill port, described the first spill port communicates with one of described first centripetal oil guide groove, and described the second spill port communicates with one of described second centripetal oil guide groove.
2. a kind of foam metal filter type oil separator according to claim 1, it is characterized in that, the foam metal skeleton surface of described the first foam metal filter course, described the second foam metal filter course and described the 3rd foam metal filter course is all enclosed with oleophobic coating.
3. a kind of foam metal filter type oil separator according to claim 1, is characterized in that, the foam metal aperture of described the first foam metal filter course, described the second foam metal filter course and described the 3rd foam metal filter course reduces successively.
4. a kind of foam metal filter type oil separator according to claim 3, it is characterized in that, the foam metal aperture of described the first foam metal filter course is 5～10mm, the foam metal aperture of described the second foam metal filter course is 0.1～5mm, and the foam metal aperture of described the 3rd foam metal filter course is 0.01～1mm.
5. a kind of foam metal filter type oil separator according to claim 1, it is characterized in that, the bottom surface of described the first foam metal filter course, end face and the bottom surface of described the second foam metal filter course, the end face of described the 3rd foam metal filter course and bottom surface are downward-sloping to center by periphery, and angle of inclination is 3～5 °.
6. a kind of foam metal filter type oil separator according to claim 1, is characterized in that, described the first annular oil guide groove, described the first centripetal oil guide groove, described the second annular oil guide groove, described the second centripetal oil guide groove are all made of metal.
7. a kind of foam metal filter type oil separator according to claim 1, is characterized in that, the degree of depth of described the first annular oil guide groove, described the first centripetal oil guide groove, described the second annular oil guide groove, described the second centripetal oil guide groove is 1～5cm.
8. a kind of foam metal filter type oil separator according to claim 1, it is characterized in that, the quantity of described the first annular oil guide groove and described the second annular oil guide groove is 3～5, and the quantity of described the first centripetal oil guide groove and described the second centripetal oil guide groove is 10～15.
9. a kind of foam metal filter type oil separator according to claim 1, it is characterized in that, multiple described the first annular oil guide grooves filter on end face uniform at described the second foam metal layer, multiple described the first centripetal oil guide groove are filtered on end face uniform at described the second foam metal layer; Multiple described the second annular oil guide grooves filter on end face uniform at described the 3rd foam metal layer, multiple described the second centripetal oil guide groove are filtered on end face uniform at described the 3rd foam metal layer.
10. a kind of foam metal filter type oil separator according to claim 1, is characterized in that, described the first centripetal oil guide groove has a down dip domatic with the lower edge mask that described the first spill port is connected; Described the second centripetal oil guide groove has a down dip domatic with the lower edge mask that described the second spill port is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896368.1U CN203663580U (en) | 2013-12-31 | 2013-12-31 | Foam metal filtration type oil separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896368.1U CN203663580U (en) | 2013-12-31 | 2013-12-31 | Foam metal filtration type oil separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203663580U true CN203663580U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320896368.1U Withdrawn - After Issue CN203663580U (en) | 2013-12-31 | 2013-12-31 | Foam metal filtration type oil separator |
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| Country | Link |
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| CN (1) | CN203663580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736331A (en) * | 2013-12-31 | 2014-04-23 | 天津大学 | Foam metal filtering type oil separator |
-
2013
- 2013-12-31 CN CN201320896368.1U patent/CN203663580U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736331A (en) * | 2013-12-31 | 2014-04-23 | 天津大学 | Foam metal filtering type oil separator |
| CN103736331B (en) * | 2013-12-31 | 2015-05-13 | 天津大学 | Foam metal filtering type oil separator |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20150513 |
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| RGAV | Abandon patent right to avoid regrant |