CN215365141U - High-efficiency oil-sewage separation device - Google Patents
High-efficiency oil-sewage separation device Download PDFInfo
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- CN215365141U CN215365141U CN202120216754.6U CN202120216754U CN215365141U CN 215365141 U CN215365141 U CN 215365141U CN 202120216754 U CN202120216754 U CN 202120216754U CN 215365141 U CN215365141 U CN 215365141U
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- oil
- supporting plate
- tank
- interlayer
- oil filtering
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- 238000000926 separation method Methods 0.000 title claims abstract description 45
- 239000010865 sewage Substances 0.000 title claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 239000011229 interlayer Substances 0.000 claims abstract description 27
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 12
- 239000003822 epoxy resin Substances 0.000 claims description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 8
- 229920002545 silicone oil Polymers 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 103
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 229920001843 polymethylhydrosiloxane Polymers 0.000 description 5
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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- 239000011248 coating agent Substances 0.000 description 2
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- 238000007598 dipping method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- 238000005065 mining Methods 0.000 description 1
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Abstract
The utility model relates to a high-efficiency oil-sewage separating device which comprises a separating tank, wherein the bottom and the side wall of the separating tank are respectively provided with an interlayer, the interlayer at the bottom of the separating tank is communicated with the interlayer of the side wall, the inner side wall of the separating tank is provided with a plurality of first oil filtering holes communicated with the interlayers, and the inner side wall of the separating tank is also paved with first oil filtering paper which covers the first oil filtering holes; the bottom of separator tank is connected with sump oil delivery pipe and sewage delivery pipe respectively, the sump oil delivery pipe is linked together with the interlayer of separator tank bottom, sewage delivery pipe runs through the bottom of separator tank and is linked together with the inner chamber of separator tank. The utility model has reasonable design, is convenient to realize the separation of the dirty oil and the waste water, can be arranged on a small-sized steamship and a special vehicle, quickly solves the sudden oil leakage accident, has durable use, low cost and small occupied area, and provides an effective tool for environmental protection.
Description
The technical field is as follows:
the utility model relates to a high-efficiency oil-sewage separation device.
Background art:
with the increase of human activities, the environment in which people live is inevitably sacrificed, and on one hand, the ecological environment health of the whole world is seriously harmed by a plurality of heavily polluted industries like mining plants, leather plants, petrochemical plants and metal smelting plants. Meanwhile, many offshore oil production bases are built worldwide in various countries in order to utilize the submarine oil resources. During the operation process, the leakage and overflow of oil are often caused due to artificial misoperation and change of marine weather, so that not only is a great deal of natural resources wasted, but also irreversible damage is caused to marine ecological environment and ecological system.
The utility model has the following contents:
the utility model aims at solving the problems in the prior art, namely, the utility model provides the high-efficiency oil-sewage separation device which is reasonable in structural design and convenient for oil-water separation.
In order to achieve the purpose, the utility model adopts the technical scheme that: a high-efficiency oil-sewage separation device comprises a separation tank, wherein the bottom and the side wall of the separation tank are respectively provided with an interlayer, the interlayer at the bottom of the separation tank is communicated with the interlayer of the side wall, the inner side wall of the separation tank is provided with a plurality of first oil filtering holes communicated with the interlayers, and the inner side wall of the separation tank is further paved with first oil filtering paper which covers the first oil filtering holes; the bottom of separator tank is connected with sump oil delivery pipe and sewage delivery pipe respectively, the sump oil delivery pipe is linked together with the interlayer of separator tank bottom, sewage delivery pipe runs through the bottom of separator tank and is linked together with the inner chamber of separator tank.
Furthermore, a plurality of oil filter pipes are vertically fixed on the inner surface of the bottom of the separation tank, the lower ports of the oil filter pipes are communicated with the interlayer at the bottom of the separation tank, a plurality of second oil filter holes are formed in the pipe walls of the oil filter pipes, second oil filter paper is laid on the outer peripheral wall of each oil filter pipe, and the second oil filter paper covers the second oil filter holes.
Further, the separating tank includes the bottom sprag board and fixes the side direction backup pad around the bottom sprag board, the bottom sprag board contains upper and lower parallel arrangement's last backup pad and bottom sprag board, the side direction backup pad contains vertical setting and parallel interior backup pad and outer backup pad, the lower extreme and the last backup pad fixed connection of interior backup pad, the lower extreme and the bottom sprag board fixed connection of outer backup pad.
Furthermore, a plurality of horizontal supporting tubes are arranged between the upper supporting plate and the lower supporting plate at intervals along the transverse direction, and the horizontal supporting tubes are longitudinally arranged; a plurality of vertical supporting tubes are arranged between the inner supporting plate and the outer supporting plate and are uniformly distributed at intervals along the longitudinal direction.
Furthermore, the first oil filtering holes are multiple, and the multiple first oil filtering holes are formed in the inner supporting plate.
Furthermore, the upper supporting plate is provided with connecting holes corresponding to the positions of the oil filtering pipes, and the lower ends of the oil filtering pipes are welded and fixed with the connecting holes; the upper supporting plate is provided with a sewage discharge hole for connecting with a sewage discharge pipe; and a sump oil discharge hole used for being connected with the sump oil discharge pipe is formed in the lower supporting plate.
Furthermore, epoxy resin glue is coated on the surface of the inner supporting plate and the outer pipe wall of the oil filter pipe.
The device further comprises a dirty oil input pipeline arranged on the upper side of the separation tank, the dirty oil input pipeline is communicated with an inner cavity of the separation tank, and a dirty oil input valve is arranged on the dirty oil input pipeline; a sewage discharge valve is arranged on the sewage discharge pipe, and a sewage storage tank is arranged on the lower side of the sewage discharge pipe; and a sump oil discharge valve is installed on the sump oil discharge pipe, and a sump oil storage tank is arranged on the lower side of the sump oil discharge pipe.
Further, the first oil filter paper and the second oil filter paper are impregnated by a mixture consisting of hydrogen-containing silicone oil, n-hexane and a catalyst, and after impregnation, the n-hexane liquid is cleaned and dried.
Furthermore, sealing plates are fixed at the upper end of the upper end port of the oil filter pipe and the upper end of the lateral supporting plate.
Compared with the prior art, the utility model has the following effects: the utility model has reasonable design, is convenient to realize the separation of the dirty oil and the waste water, can be arranged on a small-sized steamship and a special vehicle, quickly solves the sudden oil leakage accident, has durable use, low cost and small occupied area, and provides an effective tool for environmental protection.
Description of the drawings:
FIG. 1 is a schematic front view configuration of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a bottom support plate in an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a lateral support plate in an embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 3, the efficient oil-sewage separation device comprises a cuboid separation tank 1, wherein an interlayer 2 is arranged inside the bottom and inside the side wall of the separation tank 1, the interlayer 2 at the bottom of the separation tank 1 is communicated with the interlayer 2 at the side wall, a plurality of first oil filter holes 3 communicated with the interlayer 2 are formed in the inner side wall of the separation tank 1, first oil filter paper 4 is laid on the inner side wall of the separation tank 1, and the first oil filter paper 4 covers the first oil filter holes 3; the bottom of separator tank 1 is connected with sump oil delivery pipe 5 and sewage discharge pipe 6 respectively, sump oil delivery pipe 5 is linked together with the interlayer 2 of separator tank 1 bottom, sewage discharge pipe 6 runs through the bottom of separator tank 1 and is linked together with the inner chamber of separator tank 1. When the oil-sewage separating device is used, oil-sewage is filled into the separating tank 1, and by utilizing the hydrophobic property of the first oil filtering paper 4, dirty oil enters the partition layer 2 on the side wall and the bottom of the separating tank 1 from the first oil filtering hole 3, and waste water is left in the inner cavity of the separating tank 1, so that the separation of the dirty oil and the waste water is realized; while the dirty oil in the interlayer 2 is discharged through a dirty oil discharge pipe 5, and the waste water is discharged through a sewage discharge pipe 6.
In this embodiment, a plurality of oil filter pipes 7 are vertically fixed on the inner surface of the bottom of the separation tank 1, the lower ports of the oil filter pipes 7 are communicated with the interlayer 2 at the bottom of the separation tank 1, a plurality of second oil filter holes 8 are formed in the pipe walls of the oil filter pipes 7, second oil filter paper 9 is laid on the outer peripheral wall of each oil filter pipe 7, and the second oil filter paper 9 covers the second oil filter holes 8. When the oil filter is used, dirty oil can enter the oil filter pipe 7 through the second oil filter hole 8 and then enter the interlayer 2 at the bottom of the separation tank 1 along the oil filter pipe 7 by utilizing the hydrophobic property of the second oil filter paper 9; through a plurality of oil filter pipes 7 in the separation tank 1, the separation rate and the separation effect can be further improved.
In this embodiment, the separation tank 1 includes a bottom support plate and lateral support plates 11 fixed around the bottom support plate 10, and the lateral support plates 11 around enclose a closed ring structure; bottom support plate 10 contains last backup pad 101 and bottom suspension fagging 112 that upper and lower parallel interval set up, goes up and forms interlayer 2 between backup pad 101 and the bottom suspension fagging 102, side direction backup pad 11 contains vertical setting and parallel interior backup pad 111 and outer backup pad 112, forms interlayer 2 between interior backup pad 111 and the outer backup pad 112, the lower extreme and the last backup pad 101 welded fastening of interior backup pad 111 are connected, the lower extreme and the bottom suspension fagging 102 welded fastening of outer backup pad 112 are connected.
In this embodiment, in order to improve the structural strength of the bottom supporting plate, a plurality of horizontal supporting tubes 103 are arranged between the upper supporting plate 101 and the lower supporting plate 102, and are uniformly distributed at intervals in the transverse direction, and the horizontal supporting tubes are longitudinally arranged.
In this embodiment, in order to improve the structural strength of the lateral support plates, a plurality of vertical support tubes 113 are disposed between the inner support plate 111 and the outer support plate 112 and are uniformly spaced along the longitudinal direction.
In this embodiment, the first oil filter holes 3 are plural, and the plural first oil filter holes 3 are provided in the inner support plate 111.
In this embodiment, the upper support plate 101 is provided with connecting holes corresponding to the positions of the oil filter pipes 7, and the lower ends of the oil filter pipes 7 are welded and fixed with the connecting holes; the upper supporting plate 101 is provided with a sewage discharge hole for connecting with the sewage discharge pipe 6; the lower support plate 102 is provided with a dirty oil discharge hole for connecting with the dirty oil discharge pipe 5.
In this embodiment, the upper support plate 101, the lower support plate 102, the inner support plate 111, and the outer support plate 112 are all made of stainless steel plates, the thicknesses of the upper support plate, the lower support plate, and the outer support plate are 8mm, and the thickness of the inner support plate is 5 mm. The oil filter pipe 7 is a stainless steel round pipe, the horizontal supporting pipe 103 and the vertical supporting pipe 113 are stainless steel square pipes, and the wall thickness of the pipes is not less than 2.5 mm.
In this embodiment, epoxy resin glue is coated on the surface of the inner support plate 111 and the outer tube wall of the oil filter tube 7, the first oil filter paper 4 is attached to the surface of the inner support plate 111 coated with epoxy resin glue, and the second oil filter paper 9 is attached to the outer tube wall of the oil filter tube 7 coated with epoxy resin glue. Epoxy resin glue is coated on the surface of the inner supporting plate and the outer pipe wall of the oil filter pipe, so that the cured epoxy resin glue layer has excellent waterproof performance and can effectively prevent the leakage of dirty oil.
It should be noted that the fundamental difference of coating epoxy resin glue on the surface of a stainless steel plate or the surface of a stainless steel round tube instead of coating epoxy resin glue on the back of oil filter paper is as follows: the back of the oil filter paper is coated with the epoxy resin glue and then is cured to form a waterproof layer which influences the normal passing of oil stains, and the surface of the stainless steel plate or the surface of the oil filter pipe is coated with the epoxy resin glue, so that the hole parts on the surface of the steel plate are free from glue and the normal passing of the oil stains is not influenced after the oil filter paper is coated.
In this embodiment, still including locating the sump oil input pipeline 13 of separating tank 1 upside, sump oil input pipeline 13 way is linked together with the inner chamber of separating tank 1 for inject sump oil waste water into separating tank 1, install sump oil input valve 14 on the sump oil input pipeline.
In this embodiment, for the convenience of control, a sewage discharge valve 15 is installed on the sewage discharge pipe 6, and a sewage storage tank 16 is disposed at the lower side of the sewage discharge pipe 6; and a dirty oil discharge valve 17 is arranged on the dirty oil discharge pipe 5, and a dirty oil storage tank 18 is arranged on the lower side of the dirty oil discharge pipe 5.
In the embodiment, the first oil filter paper and the second oil filter paper are impregnated by a mixture composed of hydrogen-containing silicone oil, n-hexane and a catalyst, and after impregnation, the n-hexane liquid is cleaned and dried, so that the modification of the oil filter paper is realized. Preferably, the first oil filter paper and the second oil filter paper are commodity filter paper with a non-standard width, the thickness of the commodity filter paper is 340.0 +/-20.0 mu m, and the filtering time is as follows: 80.0 plus or minus 4.0 s; hydrogen containing silicone oils (PMHS) require: the weight percentage of active hydrogen of the catalyst is more than 1.5 percent; catalyst (Kastredt), requires: the platinum content was 2000.0 ppm. Meanwhile, hydrogen-containing silicone oil (PMHS): n-hexane = 1: 4 (mass ratio), adding a Kastredt catalyst, and uniformly mixing, wherein the adding amount of the Kastredt catalyst is hydrogen-containing silicone oil: 0.3-0.5% of the mixed mass of n-hexane. And (3) uniformly mixing, putting into a dipping basin, spreading out the large-size commodity filter paper, putting into the dipping basin, immersing in the mixed solution for 1-5 minutes, taking out the commodity filter paper, washing with n-hexane liquid, and drying. Hydrogen-containing silicone oil (PMHS) is used as a modifier, silicon atoms and oxygen atoms are linked through dehydrogenation reaction, so that a PMHS hydrophobic long chain is grafted to the surface of the filter paper cellulose, the cellulose surface is successfully wrapped, the surface energy of the cellulose is reduced, and the hydrophobic performance of the filter paper is greatly improved.
It should be noted that the non-standard large-format commodity filter paper is produced by special paper industry ltd of Hangzhou China; the hydrogen-containing silicone oil (PMHS) is produced by Guangzhou Xin Guangxi chemical technology limited company; the catalyst (Kastredt) was produced by the institute for the photo-chemical industry, Chengdu, China.
In this embodiment, in order to prevent rainwater from entering the partition during operation of the separation apparatus, a sealing plate 19 is welded and fixed to both the upper end of the oil filter pipe 7 and the upper end of the lateral support plate 11.
In this embodiment, in order to facilitate the detection of the liquid level, the outer surface of the sidewall of one end of the separation tank is further provided with a liquid level meter 20.
The utility model has the advantages that: (1) the characteristic that the hydrophobic property of the modified oil filter paper is improved is utilized, the problem that oil is lighter than water is solved, no matter where the oil floats, the oil and water can be quickly separated, and the big problem which puzzles people for a long time in the field of environmental protection is solved; (2) the oil-water separator has the advantages of low construction cost, small occupied area, capability of being installed on small ships and special vehicles, high-efficiency separation of dirty oil and waste water, rapid solving of sudden oil leakage accidents, durability of the oil-water separator and provision of an effective tool for environmental protection.
If the utility model discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a high-efficient oily water separator which characterized in that: the oil filter comprises a separation tank, wherein the bottom and the side wall of the separation tank are provided with interlayers, the interlayer at the bottom of the separation tank is communicated with the interlayer at the side wall, the inner side wall of the separation tank is provided with a plurality of first oil filtering holes communicated with the interlayer, and the inner side wall of the separation tank is also paved with first oil filtering paper which covers the first oil filtering holes; the bottom of separator tank is connected with sump oil delivery pipe and sewage delivery pipe respectively, the sump oil delivery pipe is linked together with the interlayer of separator tank bottom, sewage delivery pipe runs through the bottom of separator tank and is linked together with the inner chamber of separator tank.
2. The high efficiency oily water separation device of claim 1, wherein: the inner surface of the bottom of the separation tank is vertically fixed with a plurality of oil filtering pipes, the lower ports of the oil filtering pipes are communicated with the interlayer at the bottom of the separation tank, a plurality of second oil filtering holes are formed in the pipe walls of the oil filtering pipes, second oil filtering paper is laid on the outer peripheral wall of each oil filtering pipe, and the second oil filtering paper covers the second oil filtering holes.
3. The high-efficiency oily water separating device according to claim 2, which is characterized in that: the separating tank comprises a bottom supporting plate and a side supporting plate fixed on the periphery of the bottom supporting plate, the bottom supporting plate comprises an upper supporting plate and a lower supporting plate which are arranged in an upper parallel mode and a lower parallel mode, the side supporting plate comprises an inner supporting plate and an outer supporting plate which are vertically arranged and parallel, the lower end of the inner supporting plate is fixedly connected with the upper supporting plate, and the lower end of the outer supporting plate is fixedly connected with the lower supporting plate.
4. The high-efficiency oily water separating device according to claim 3, which is characterized in that: a plurality of horizontal supporting tubes are arranged between the upper supporting plate and the lower supporting plate at intervals along the transverse direction, and the horizontal supporting tubes are arranged longitudinally; a plurality of vertical supporting tubes are arranged between the inner supporting plate and the outer supporting plate and are uniformly distributed at intervals along the longitudinal direction.
5. The high-efficiency oily water separating device according to claim 3, which is characterized in that: the first oil filtering holes are multiple and are arranged on the inner supporting plate.
6. The high-efficiency oily water separating device according to claim 3, which is characterized in that: the upper supporting plate is provided with connecting holes corresponding to the positions of the oil filtering pipes, and the lower ends of the oil filtering pipes are welded and fixed with the connecting holes; the upper supporting plate is provided with a sewage discharge hole for connecting with a sewage discharge pipe; and a sump oil discharge hole used for being connected with the sump oil discharge pipe is formed in the lower supporting plate.
7. The high-efficiency oily water separating device according to claim 3, which is characterized in that: epoxy resin glue is coated on the surface of the inner supporting plate and the outer tube wall of the oil filter tube.
8. The high efficiency oily water separation device of claim 1, wherein: the device also comprises a dirty oil input pipeline arranged on the upper side of the separation tank, the dirty oil input pipeline is communicated with the inner cavity of the separation tank, and a dirty oil input valve is arranged on the dirty oil input pipeline; a sewage discharge valve is arranged on the sewage discharge pipe, and a sewage storage tank is arranged on the lower side of the sewage discharge pipe; and a sump oil discharge valve is installed on the sump oil discharge pipe, and a sump oil storage tank is arranged on the lower side of the sump oil discharge pipe.
9. The high-efficiency oily water separating device according to claim 2, which is characterized in that: the first oil filter paper and the second oil filter paper are impregnated by a mixture consisting of hydrogen-containing silicone oil, normal hexane and a catalyst, and after impregnation, normal hexane liquid is cleaned and dried.
10. The high-efficiency oily water separating device according to claim 3, which is characterized in that: and sealing plates are fixed at the upper end of the upper port of the oil filtering pipe and the upper end of the lateral supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120216754.6U CN215365141U (en) | 2021-01-27 | 2021-01-27 | High-efficiency oil-sewage separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120216754.6U CN215365141U (en) | 2021-01-27 | 2021-01-27 | High-efficiency oil-sewage separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215365141U true CN215365141U (en) | 2021-12-31 |
Family
ID=79621727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120216754.6U Expired - Fee Related CN215365141U (en) | 2021-01-27 | 2021-01-27 | High-efficiency oil-sewage separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215365141U (en) |
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2021
- 2021-01-27 CN CN202120216754.6U patent/CN215365141U/en not_active Expired - Fee Related
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