CN114191870A - Multistage filtering mechanism for lubricating oil production - Google Patents
Multistage filtering mechanism for lubricating oil production Download PDFInfo
- Publication number
- CN114191870A CN114191870A CN202111540896.9A CN202111540896A CN114191870A CN 114191870 A CN114191870 A CN 114191870A CN 202111540896 A CN202111540896 A CN 202111540896A CN 114191870 A CN114191870 A CN 114191870A
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- China
- Prior art keywords
- lubricating oil
- cavity
- pipe
- filter
- way valve
- Prior art date
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- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 73
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000002199 base oil Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/18—Heating or cooling the filters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
Abstract
The invention discloses a multistage filtering mechanism for lubricating oil production, which comprises a filtering bin: the filter is provided with the stirring subassembly on the storehouse, and the stirring subassembly will filter the inner chamber in storehouse through filter unit and separate for first cavity, second cavity and third cavity, the top of filtering the storehouse is provided with the inlet pipe, the exit end of filtering the storehouse passes through the discharging pipe and is connected with storage storehouse, be provided with the third three-way valve on the discharging pipe, and the third three-way valve switches on with first cavity through the circulating pipe, be provided with respectively on the circulating pipe and switch on second backward flow subassembly and first backward flow subassembly with second cavity and third cavity. According to the invention, the filtering mechanism adopts a plurality of independent and communicated cavity structures, and is combined with the backflow mode of the backflow component, so that the filtered lubricating oil can be guided into the filtering bin again for circular filtering treatment, thereby ensuring that impurities in the lubricating oil can be filtered, greatly improving the purity of the lubricating oil and further improving the production efficiency of the lubricating oil.
Description
Technical Field
The invention relates to the technical field of lubricating oil production, in particular to a multistage filtering mechanism for lubricating oil production.
Background
The lubricating oil is a liquid or semisolid lubricating agent which is used on various types of automobiles and mechanical equipment to reduce friction and protect machinery and workpieces, and mainly plays roles of lubrication, cooling, rust prevention, cleaning, sealing, buffering and the like, the main properties of the lubricating oil are viscosity, oxidation stability and lubricity, base oil and additives are required to be mixed and stirred in a mixing kettle during production of the lubricating oil, wherein mechanical impurities such as sand and iron filings exist in the base oil, and a difficult metal salt precipitate is formed in the process of mixing the base oil with the additives, so the lubricating oil can be used after being mixed by a filtering device.
Chinese patent publication No.: CN209885985U discloses a lubricating oil multistage filtering device, which comprises a multistage filtering device body, wherein the multistage filtering device body comprises a first-stage filtering tank, a second-stage filtering tank and a third-stage filtering tank which are sequentially arranged from left to right, the first-stage filtering tank and the second-stage filtering tank are separated by a first partition plate, the second-stage filtering tank and the third-stage filtering tank are separated by a second partition plate, a limiting plate is arranged on the inner wall of the first-stage filtering tank close to the top end, a flow equalizing plate is fixed on the limiting plate, a filtering cylinder is fixed below the flow equalizing plate and comprises a metal filtering net, and a connecting flange is arranged at the top end of the metal filtering net; a plurality of filter tubes are arranged in the secondary filter box, magnetic rods are arranged in the filter tubes, screw caps are arranged at the top ends of the filter tubes, an upper oil outlet tube is arranged on one side, close to the top end, of each filter tube, and a lower oil inlet tube is arranged on one side, close to the bottom end, of each filter tube; the three-stage filter box is internally provided with a downward-inclined lower clamping ring, the lower clamping ring is parallelly provided with an upper clamping ring, and a fine-hole filter screen is arranged between the lower clamping ring and the upper clamping ring.
However, after multi-stage filtration, the conventional filtration device cannot perform backflow repeated filtration on the filtered lubricating oil, so that part of particle impurities exist in the lubricating oil after the multi-stage filtration, the purity of the lubricating oil is poor, and the production efficiency of the lubricating oil is reduced.
Disclosure of Invention
The invention aims to provide a multistage filtering mechanism for lubricating oil production, which can be used for repeatedly filtering lubricating oil after refluxing, improving the purity of the lubricating oil and improving the production efficiency.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a lubricating oil production is with multistage filter mechanism, includes the filtration storehouse:
the filter bin is provided with a stirring assembly, the stirring assembly divides an inner cavity of the filter bin into a first cavity, a second cavity and a third cavity through a filter unit, and the top of the filter bin is provided with a feeding pipe;
the outlet end of the filter bin is connected with the storage bin through a discharge pipe;
a third three-way valve is arranged on the discharge pipe and communicated with the first cavity through a circulating pipe;
and the circulating pipe is respectively provided with a second backflow component and a first backflow component communicated with the second cavity and the third cavity.
As a further description of the above technical solution:
the stirring subassembly is connected with the stirring frame that extends to in the filtration storehouse including setting up the motor at filtration storehouse top, the output of motor.
As a further description of the above technical solution:
the number of the filter units is three, and the three filter units are respectively a first filter plate, a second filter plate and a third filter plate which are distributed on the stirring frame in parallel.
As a further description of the above technical solution:
the first backflow component comprises a first three-way valve arranged on the circulating pipe, and the first three-way valve is communicated with the third cavity through a first backflow pipe.
As a further description of the above technical solution:
and a first check valve is arranged on the inner wall of the outlet end of the first return pipe.
As a further description of the above technical solution:
the second backflow component comprises a second three-way valve arranged on the circulating pipe, and the second three-way valve is communicated with the second cavity through a second backflow pipe.
As a further description of the above technical solution:
and a second one-way valve is arranged on the inner wall of the outlet end of the second return pipe.
As a further description of the above technical solution:
and a circulating pump is arranged on the circulating pipe and between the third three-way valve and the first three-way valve.
As a further description of the above technical solution:
the inner wall of storing the storehouse is provided with the filter core, the exit end of storing the storehouse is provided with the delivery pipe.
As a further description of the above technical solution:
also comprises a heating component;
the heating assembly comprises a heat insulation sleeve sleeved on the outer wall of the discharging pipe, the inner wall of the heat insulation sleeve is provided with a heating layer, and the heating wire is arranged inside the heating layer.
In the technical scheme, the multistage filtering mechanism for producing the lubricating oil, provided by the invention, has the following beneficial effects:
this filtering mechanism adopts the cavity structures of a plurality of independence and intercommunication, cooperation a plurality of filter unit can carry out multistage and continuous filtration to the lubricating oil mixture, and combine the backward flow mode of backward flow subassembly, can be with the leading-in filtration storehouse once more of the lubricating oil after filtering, and carry out the circulating filtration according to actual lubricating oil's purity and handle, thereby ensure that the impurity in the lubricating oil can be by even and comprehensive filtration, very big improvement the purity of lubricating oil, and then improved the production efficiency of lubricating oil.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural diagram of a multi-stage filtering mechanism for producing lubricating oil according to an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of a filter cartridge according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a heating assembly according to an embodiment of the present invention;
FIG. 4 is a schematic partial structural view of a circulation tube, a connection portion of a first reflow module and a second reflow module according to an embodiment of the invention;
fig. 5 is a schematic diagram of an internal structure of a storage bin according to an embodiment of the present invention.
Description of reference numerals:
1. a feed pipe; 2. a filtering bin; 21. a first cavity; 22. a second cavity; 23. a third cavity; 3. a stirring assembly; 31. a motor; 32. a stirring frame; 33. a first filter plate; 34. a second filter plate; 35. a third filter plate; 4. a discharge pipe; 5. a heating assembly; 51. a thermal insulation sleeve; 52. a heating layer; 53. an electric heating wire; 6. a third three-way valve; 7. a circulation pump; 8. a circulation pipe; 9. a first reflow element; 91. a first three-way valve; 92. a first return pipe; 93. a first check valve; 10. a second reflow assembly; 101. a second three-way valve; 102. a second return pipe; 103. a second one-way valve; 11. a storage bin; 111. a filter element; 112. a discharge pipe.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a multistage filtering mechanism for producing lubricating oil includes a filtering bin 2:
the filtering bin 2 is provided with a stirring component 3, the stirring component 3 divides the inner cavity of the filtering bin 2 into a first cavity 21, a second cavity 22 and a third cavity 23 through three filtering units, and the top of the filtering bin 2 is provided with a feeding pipe 1;
the outlet end of the filter bin 2 is connected with the storage bin 11 through a discharge pipe 4;
a third three-way valve 6 is arranged on the discharge pipe 4, and the third three-way valve 6 is communicated with the first cavity 21 through a circulating pipe 8;
the circulating pipe 8 is provided with a second backflow component 10 and a first backflow component 9 which are communicated with the second cavity 22 and the third cavity 23 respectively.
In the embodiment, the lubricating oil mixture is added into the filtering bin 2 through the feeding pipe 1, the lubricating oil firstly enters the first cavity 21, and flows downwards after being filtered by the filtering unit under the action of gravity, and sequentially enters the second cavity 22 and the third cavity 23, so that the lubricating oil can be filtered in multiple stages, the filtered lubricating oil enters the storage bin 11 through the discharging pipe 4 to be collected and stored, on the other hand, when the purity of the lubricating oil filtered and discharged by the filtering bin 2 is detected to be insufficient, the conduction state of the third three-way valve 6 is regulated and controlled, so that the lubricating oil in the discharging pipe 4 enters the circulating pipe 8 and enters the first cavity 21, the second cavity 22 and the third cavity 23 to be filtered through the circulating pipe 8, the second backflow component 10 and the first backflow component 9, so that the lubricating oil can be filtered again, the filtering effect of the lubricating oil is improved, and the purity of the lubricating oil is ensured.
As shown in fig. 2, stirring subassembly 3 is including setting up the motor 31 at filtration storehouse 2 top, and the output of motor 31 is connected with the stirring frame 32 that extends to filtration storehouse 2 in, and motor 31 starts can drive stirring frame 32 rotatory, and stirring frame 32 can carry out synchronous stirring to the lubricating oil in first cavity 21, second cavity 22 and the third cavity 23 this moment and handle for the flow rate of lubricating oil, thereby make lubricating oil can be opened by even stirring, improve the filtration rate of lubricating oil.
As shown in fig. 2, the three filter units are a first filter plate 33, a second filter plate 34 and a third filter plate 35 which are distributed on the stirring frame 32 in parallel, and the inner diameters of filter holes on the first filter plate 33, the second filter plate 34 and the third filter plate 35 are sequentially reduced, so that the lubricating oil in the first cavity 21, the second cavity 22 and the third cavity 23 can be filtered step by step, and the filtering of particle impurities in the lubricating oil is reduced as much as possible.
As shown in fig. 1 and 4, the first return assembly 9 includes a first three-way valve 91 disposed on the circulation pipe 8, the first three-way valve 91 is communicated with the third cavity 23 through a first return pipe 92, a first one-way valve 93 is disposed on an inner wall of an outlet end of the first return pipe 92, the second return assembly 10 includes a second three-way valve 101 disposed on the circulation pipe 8, the second three-way valve 101 is communicated with the second cavity 22 through a second return pipe 102, a second one-way valve 103 is disposed on an inner wall of an outlet end of the second return pipe 102, a circulation pump 7 is disposed on the circulation pipe 8 and between the third three-way valve 6 and the first three-way valve 91, when the content of impurity particles in the lubricant in the discharge pipe 4 is large, the passages of the third three-way valve 6, the first three-way valve 91, the second three-way valve 101 and the circulation pipe 8 are communicated, so that the lubricant in the circulation pipe 8 enters the first cavity 21 under the driving of the circulation pump 7, carry out complete repeated multistage filtration to lubricating oil, when lubricating oil impurity particle content in discharging pipe 4 is general, switch on the passageway of second three-way valve 101 and second back flow pipe 102, lubricating oil in circulating pipe 8 is under circulating pump 7's drive this moment, enter into in the second cavity 22 behind second check valve 103, can carry out the second grade filtration to lubricating oil and handle, when lubricating oil impurity particle content in discharging pipe 4 is less, switch on the passageway of first three-way valve 91 and first back flow pipe 92, lubricating oil in circulating pipe 8 is under circulating pump 7's drive this moment, enter into in the third cavity 23 behind first check valve 93, can carry out one-level filtration to lubricating oil, lubricating oil filtering's effect has been guaranteed, the purity of lubricating oil has been improved.
As shown in fig. 5, a filter element 111 is disposed on an inner wall of the storage bin 11, a discharge pipe 112 is disposed at an outlet end of the storage bin 11, the filtered lubricant enters the filter element 111, is filtered by the filter element 111 for the last time, and is discharged through the discharge pipe 112, so that the lubricant can be collected.
As shown in fig. 1 and fig. 3, still include heating element 5, heating element 5 establishes the insulation cover 51 at discharging pipe 4 outer wall including the cover, the inner wall of insulation cover 51 is provided with zone of heating 52, and the inside of zone of heating 52 is provided with heating wire 53, work heat production effect through heating wire 53, can play the effect of heating to discharging pipe 4, and cooperate the heat preservation effect of insulation cover 51, ensure on the heat can be as much as possible the transmission to the lubricating oil in discharging pipe 4, play the effect of constant temperature protection to lubricating oil, prevent that lubricating oil cooling from solidifying and can't flow.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides a lubricating oil production is with multistage filter mechanism, includes filter bin (2), its characterized in that:
the filter bin (2) is provided with a stirring assembly (3), the stirring assembly (3) divides an inner cavity of the filter bin (2) into a first cavity (21), a second cavity (22) and a third cavity (23) through a filtering unit, and the top of the filter bin (2) is provided with a feeding pipe (1);
the outlet end of the filter bin (2) is connected with the storage bin (11) through a discharge pipe (4);
a third three-way valve (6) is arranged on the discharge pipe (4), and the third three-way valve (6) is communicated with the first cavity (21) through a circulating pipe (8);
the circulating pipe (8) is respectively provided with a second backflow component (10) and a first backflow component (9) which are communicated with the second cavity (22) and the third cavity (23).
2. The multi-stage filtering mechanism for lubricating oil production according to claim 1, wherein: stirring subassembly (3) are connected with stirring frame (32) that extend to in filtering storehouse (2) including setting up motor (31) at filtering storehouse (2) top, the output of motor (31).
3. The multi-stage filtering mechanism for lubricating oil production according to claim 2, wherein: the number of the filter units is three, and the three filter units are respectively a first filter plate (33), a second filter plate (34) and a third filter plate (35) which are distributed on the stirring frame (32) in parallel.
4. The multi-stage filtering mechanism for lubricating oil production according to claim 1, wherein: the first return assembly (9) comprises a first three-way valve (91) arranged on the circulating pipe (8), and the first three-way valve (91) is communicated with the third cavity (23) through a first return pipe (92).
5. The multi-stage filtering mechanism for lubricating oil production according to claim 4, wherein: and a first check valve (93) is arranged on the inner wall of the outlet end of the first return pipe (92).
6. The multi-stage filtering mechanism for lubricating oil production according to claim 1, wherein: the second backflow component (10) comprises a second three-way valve (101) arranged on the circulating pipe (8), and the second three-way valve (101) is communicated with the second cavity (22) through a second backflow pipe (102).
7. The multi-stage filtering mechanism for lubricating oil production according to claim 6, wherein: and a second check valve (103) is arranged on the inner wall of the outlet end of the second return pipe (102).
8. The multi-stage filtering mechanism for lubricating oil production according to claim 1, wherein: and a circulating pump (7) is arranged on the circulating pipe (8) and between the third three-way valve (6) and the first three-way valve (91).
9. The multi-stage filtering mechanism for lubricating oil production according to claim 1, wherein: the inner wall of the storage bin (11) is provided with a filter element (111), and the outlet end of the storage bin (11) is provided with a discharge pipe (112).
10. The multi-stage filtering mechanism for lubricating oil production according to claim 1, wherein: also comprises a heating component (5);
heating element (5) establish insulation cover (51) at discharging pipe (4) outer wall including the cover, and the inner wall of insulation cover (51) is provided with zone of heating (52), and the inside of zone of heating (52) is provided with heating wire (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111540896.9A CN114191870A (en) | 2021-12-16 | 2021-12-16 | Multistage filtering mechanism for lubricating oil production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111540896.9A CN114191870A (en) | 2021-12-16 | 2021-12-16 | Multistage filtering mechanism for lubricating oil production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114191870A true CN114191870A (en) | 2022-03-18 |
Family
ID=80654383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111540896.9A Pending CN114191870A (en) | 2021-12-16 | 2021-12-16 | Multistage filtering mechanism for lubricating oil production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114191870A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116286178A (en) * | 2023-03-27 | 2023-06-23 | 泰安金冠宏食品科技有限公司 | Oil-residue separation and filtration system |
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| US20110068062A1 (en) * | 2009-09-23 | 2011-03-24 | Culoco Energy, Inc. | System for removing contaminants from a water circulation stream |
| CN207024773U (en) * | 2017-06-06 | 2018-02-23 | 江苏盈科生物制药有限公司 | A kind of filter |
| CN208372793U (en) * | 2018-04-12 | 2019-01-15 | 南昌大学 | A kind of emission-control equipment extracted for noble metal |
| CN208814967U (en) * | 2018-09-17 | 2019-05-03 | 重庆市机械工业理化计量中心 | A kind of OIL IN LUBRICATING OIL PRODUCTION Multistage filtering device |
| CN211189315U (en) * | 2019-11-28 | 2020-08-07 | 艾申科技(天津)有限公司 | Layered sewage purification treatment tank |
-
2021
- 2021-12-16 CN CN202111540896.9A patent/CN114191870A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110068062A1 (en) * | 2009-09-23 | 2011-03-24 | Culoco Energy, Inc. | System for removing contaminants from a water circulation stream |
| CN207024773U (en) * | 2017-06-06 | 2018-02-23 | 江苏盈科生物制药有限公司 | A kind of filter |
| CN208372793U (en) * | 2018-04-12 | 2019-01-15 | 南昌大学 | A kind of emission-control equipment extracted for noble metal |
| CN208814967U (en) * | 2018-09-17 | 2019-05-03 | 重庆市机械工业理化计量中心 | A kind of OIL IN LUBRICATING OIL PRODUCTION Multistage filtering device |
| CN211189315U (en) * | 2019-11-28 | 2020-08-07 | 艾申科技(天津)有限公司 | Layered sewage purification treatment tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116286178A (en) * | 2023-03-27 | 2023-06-23 | 泰安金冠宏食品科技有限公司 | Oil-residue separation and filtration system |
| CN116286178B (en) * | 2023-03-27 | 2024-02-02 | 泰安金冠宏食品科技有限公司 | Oil-residue separation and filtration system |
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