CN109364569B - Movable oil filter - Google Patents
Movable oil filter Download PDFInfo
- Publication number
- CN109364569B CN109364569B CN201811505042.5A CN201811505042A CN109364569B CN 109364569 B CN109364569 B CN 109364569B CN 201811505042 A CN201811505042 A CN 201811505042A CN 109364569 B CN109364569 B CN 109364569B
- Authority
- CN
- China
- Prior art keywords
- filter
- prefilter
- oil
- plate
- box body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000011045 prefiltration Methods 0.000 claims abstract description 74
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 49
- 238000000034 method Methods 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- 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
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
Abstract
The invention discloses a movable oil filter, which comprises a frame, wherein a coarse filter, a gear pump, a primary fine filter and a secondary fine filter are arranged at the upper part of the frame, the coarse filter, the gear pump, the primary fine filter and the secondary fine filter are sequentially communicated through oil pipes, an oil outlet is arranged on the secondary fine filter, a movable wheel is arranged at the lower part of the frame, and a prefilter is further arranged on the frame. The filter is provided with the prefilter, so that the filter element replacement time interval of the filter is greatly increased, the normal use of the oil filter is ensured, and the filtering cost is reduced; the filter cup of the prefilter is convenient to clean and high in cleaning speed, and continuous use of the oil filter is guaranteed.
Description
Technical Field
The invention relates to the technical field of hydraulic oil filtering equipment, in particular to a movable oil filter.
Background
With the rapid development of hydraulic industrial technology, the hydraulic technology continuously tends to have high pressure, high precision and high power, and simultaneously, higher requirements are put on the working reliability of a hydraulic system. The failure in the hydraulic system is 70% due to oil pollution, 60% of the pollution is derived from new oil, the pollution generated by the system parts in the working process is 20%, and the other pollution is 20%. The particles in the pollutant, which are generally 5-15 microns, are extremely harmful to the precise parts of the system. Therefore, strict control is adopted on the cleanliness of oil with precision elements such as servo parts and the like in a hydraulic system internationally, and the cleanliness requirement of the added new oil reaches the level 7 of GJB420, so that the stable and reliable operation of the system is ensured. However, the cleanliness of domestic new oil is generally only 10-11 grade of GJB 420. The new oil with serious pollution can bring serious harm to the service life and the working reliability of the precise elements of the whole system if being used without strict filtration and purification.
The existing new oil filtering and purifying equipment generally adopts a filter, and has the advantages of good filtering effect, high filtering speed and convenient use. However, since the fresh oil has a large amount of contaminants and the filter has a large filtration capacity, the filter is easily clogged due to the accumulation of contaminants, and thus the filter cartridge needs to be replaced frequently. Frequent replacement of the filter element delays normal use of the filter on one hand and increases the filtering cost on the other hand. The existing filter is low in disassembly speed, the filter core is long in replacement time, and filtering and purifying of hydraulic oil are delayed. How to design a movable oil filter which does not need to frequently replace a filter element and has high filter element replacement speed is a technical problem to be solved by the invention.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the movable oil filter which does not need to frequently replace a filter element and has high filter element replacement speed.
The invention solves the technical problems by the following technical means:
the movable oil filter comprises a frame, wherein a coarse filter, a gear pump, a primary fine filter and a secondary fine filter are arranged on the upper portion of the frame, the coarse filter, the gear pump, the primary fine filter and the secondary fine filter are sequentially communicated through oil pipes, an oil outlet is arranged on the secondary fine filter, a movable wheel is arranged on the lower portion of the frame, a prefilter is further arranged on the frame and comprises a prefilter box body, the prefilter box body is of a cylindrical structure which is closed up and down, an oil inlet pipe is arranged at the upper end of the prefilter box body, an oil outlet pipe is arranged at the lower end of the prefilter box body, the oil outlet pipe is connected with the coarse filter, a prefilter plate is arranged in the prefilter box body and is of a circular plate structure which is horizontally arranged, the prefilter plate can rotate relative to the prefilter box body, a main shaft is arranged on the lower portion of the prefilter plate, a motor is arranged outside the prefilter box body, and the motor is connected with the main shaft; the upper surface of prefilter be provided with the mounting groove, the mounting groove be with the coaxial circular groove of prefilter, the upper surface of prefilter still install the apron, the apron lid close in the mounting groove, the apron on be provided with a plurality of oil leakage holes, the tank bottom of mounting groove is provided with a plurality of mounting holes, the mounting hole in install the filter bowl, the filter bowl be circular groove form, the lateral wall and the tank bottom of filter bowl all be network structure.
Preferably, the movable oil filter is characterized in that a limiting notch is formed in the upper edge of the mounting hole, and the upper edge of the filter cup protrudes outwards to form a limiting part matched with the limiting notch.
Preferably, a sealing ring is arranged between the inner wall of the prefilter box body and the prefilter plate.
Preferably, the upper ends of the coarse filter, the primary fine filter and the secondary fine filter are all of clamping structures, the clamping structures comprise a filter shell and an upper cover, a plurality of first lug plate groups are arranged at the upper end of the filter shell, a plurality of second lug plate groups corresponding to the first lug plate groups in position are arranged on the upper cover, each first lug plate group comprises two oppositely arranged first lug plates, bolts are arranged between the two first lug plates, each bolt is hinged with a screw rod, each second lug plate group comprises two oppositely arranged second lug plates, the upper end of each screw rod stretches into the two second lug plates, a fixing nut is arranged at the upper end of each screw rod, and the diameter of each fixing nut is larger than the distance between the two second lug plates.
Preferably, in the movable oil filter, a handle is arranged in the middle of the upper surface of the cover plate.
The invention has the advantages that: the filter is provided with the prefilter, so that the filter element replacement time interval of the filter is greatly increased, the normal use of the oil filter is ensured, and the filtering cost is reduced; the filter cup of the prefilter is convenient to clean and high in cleaning speed, and continuous use of the oil filter is guaranteed.
Further, the upper cover and the shell of the filter adopt a clamping structure, and the filter element is convenient to replace and high in replacement speed.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic diagram of the connections between the coarse filter, gear pump, primary fine filter and secondary fine filter of the present invention.
FIG. 3 is a schematic diagram of a prefilter device of the present invention.
Fig. 4 is a schematic structural view of the prefilter of the present invention.
FIG. 5 is a schematic view of the location of the mounting holes of the present invention.
Fig. 6 is a schematic structural view of the cover plate of the present invention.
Fig. 7 is a schematic structural diagram of the engaging structure of the present invention.
Fig. 8 is a schematic structural diagram of a locking structure of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The movable oil filter comprises a frame 1, wherein a coarse filter 2, a gear pump 3, a primary fine filter 4 and a secondary fine filter 5 are arranged on the upper portion of the frame 1, the coarse filter 2, the gear pump 3, the primary fine filter 4 and the secondary fine filter 5 are sequentially communicated through oil pipes, an oil outlet 6 is arranged on the secondary fine filter 5, a movable wheel 7 is arranged on the lower portion of the frame 1, a prefilter 8 is further arranged on the frame 1, the prefilter 8 comprises a prefilter box 9, the prefilter box 9 is of a cylindrical structure which is closed up and down, an oil inlet pipe 10 is arranged at the upper end of the prefilter box 9, an oil outlet pipe 11 is arranged at the lower end of the prefilter box 9, the oil outlet pipe 11 is connected with the coarse filter 2, a prefilter plate 12 is arranged in the prefilter box 9, the prefilter plate 12 is of a horizontally arranged structure, the prefilter plate 12 can rotate relative to the prefilter box 9, a prefilter box 13 is arranged at the lower portion of a motor 12, and a spindle 14 is arranged outside the prefilter box 14; the upper surface of prefilter 12 be provided with mounting groove 15, mounting groove 15 be with the coaxial circular groove of prefilter 12, the upper surface of prefilter 12 still install apron 16, apron 16 lid close in mounting groove 15, apron 16 on be provided with a plurality of oil leakage holes 17, the tank bottom of mounting groove 15 is provided with a plurality of mounting holes 18, mounting hole 18 in install filter bowl 19, filter bowl 19 be circular groove form, the lateral wall and the tank bottom of filter bowl 19 are the network structure.
The working principle of the oil filter is as follows: when new oil is filtered, the gear pump 3 works, firstly, the new oil enters the prefilter box 9 through the oil inlet pipe 10 and then flows into the prefilter plate 12 in the prefilter box 9, oil flows into the filter cup 19 from the oil leakage hole 17 due to the oil leakage hole 17 arranged on the cover plate 16 on the prefilter plate 12, the cover plate 16 rotates under the driving of the motor 14 and the main shaft 13, centrifugal filtration is further carried out on the oil, most of pollutants are left in the filter cup 19 through prefilter of the filter cup 19, and because the coarse filter 2, the gear pump 3, the primary fine filter 4 and the secondary fine filter 5 are sequentially communicated through oil pipes, the oil outlet pipe 11 is arranged at the lower end of the prefilter box 9 and connected with the coarse filter 2, so that the prefiltered oil is filtered through the coarse filter 2, is filtered through the primary fine filter 4 and the secondary fine filter 5 after passing through the gear pump 3, and finally flows out of the oil outlet 6; because the number of the mounting holes 18 is multiple (the number of the size design of the visual prefilter plate), one filter cup 19 is arranged in each mounting hole 18, and oil is filtered through the plurality of filter cups 19 together, so that most pollutants are retained in the filter cups 19, and because the number of the filter cups 19 is more, the filter cups 19 are designed into a circular groove shape, the bottom and the inner wall of the groove are of a net structure, a large amount of pollutants can be contained without affecting the filtration, and further the time interval for cleaning the pollutants in the filter cups 19 is longer, and the time interval for replacing the filter elements of the coarse filter 2, the primary fine filter 4 and the secondary fine filter 5 is greatly reduced through prefilter, so that the normal use of the oil filter is ensured, and the filtration cost is reduced; in addition, when the filter cup 19 is cleaned, the cover plate 16 is only required to be taken off, the filter cup 19 is taken out from the mounting hole 18, and then pollutants are poured off and washed clean, so that the cleaning is convenient and quick, and the cover plate 16 and the prefilter plate 12 can be designed to be in clamping connection or threaded connection for convenient cleaning, so that the cover plate 16 is convenient to detach; the filter is provided with the prefilter, so that the filter element replacement time interval of the filter is greatly increased, the normal use of the oil filter is ensured, and the filtering cost is reduced; the filter cup of the prefilter is convenient to clean and high in cleaning speed, and continuous use of the oil filter is guaranteed.
Preferably, a limiting notch 20 is provided at the upper edge of the mounting hole 18, and a limiting portion 21 matched with the limiting notch 20 is formed by protruding the upper edge of the filter cup 19 outwards.
During installation, owing to be provided with spacing breach 20 on the mounting hole 18, be provided with spacing portion 21 on the filter bowl 19, place the filter bowl 19 in the mounting hole 18 after, through spacing breach 20 and spacing portion 21's cooperation, make filter bowl 19 place in the mounting hole and fall down, then play spacing fixed action to filter bowl 19 through the lid of apron 16, avoided filter bowl 19 removal during centrifugal filtration.
Preferably, a sealing ring 22 is arranged between the inner wall of the prefilter box 9 and the prefilter plate 12.
In order to enable the prefilter plate 12 to rotate in the prefilter box 9, a gap is reserved between the edge of the prefilter plate 12 and the inner wall of the prefilter box 9, and a sealing ring 22 is arranged between the prefilter box 9 and the prefilter plate 12 to prevent oil from directly flowing to the lower part of the prefilter box 9 from the gap without prefiltering.
Preferably, the upper ends of the coarse filter 2, the primary fine filter 4 and the secondary fine filter 5 are all in a clamping structure, the clamping structure comprises a filter shell 23 and an upper cover 24, a plurality of first lug plate groups 25 are arranged at the upper end of the filter shell 23, a plurality of second lug plate groups 26 corresponding to the first lug plate groups 25 are arranged on the upper cover 24, each first lug plate group 25 comprises two oppositely arranged first lug plates 27, a bolt 28 is arranged between the two first lug plates 27, a screw rod 29 is hinged to each bolt 28, each second lug plate group 26 comprises two oppositely arranged second lug plates 30, the upper end of each screw rod 29 extends into the space between the two second lug plates 30, a fixing nut 31 is arranged at the upper end of each screw rod 29, and the diameter of each fixing nut 31 is larger than the distance between the two second lug plates 30.
When the filter element of the filter is replaced, the fixing nut 31 is only required to be unscrewed, the limit of the fixing nut 31 and the second lug plate 30 to the screw 29 is eliminated, then the screw 29 is rotated to separate the upper end of the screw 29 from the second lug plate 30, at this time, no connecting structure exists between the upper cover 24 and the filter shell 23, and the filter element is replaced by removing the upper cover 24; the filter element is convenient to replace and has high replacement speed.
Preferably, a handle 32 is provided at a central position of the upper surface of the cover plate 16.
The handle 32 is arranged on the cover plate 16, so that the cover plate 16 can be conveniently taken and placed.
The filter is provided with the prefilter, so that the filter element replacement time interval of the filter is greatly increased, the normal use of the oil filter is ensured, and the filtering cost is reduced; the filter cup of the prefilter is convenient to clean and has high cleaning speed, so that the continuous use of the oil filter is ensured; further, the upper cover and the shell of the filter adopt a clamping structure, and the filter element is convenient to replace and high in replacement speed.
It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. The utility model provides a portable oil filter, includes the frame, coarse filter, gear pump, one-level smart filter and second grade smart filter are installed on the upper portion of frame, coarse filter, gear pump, one-level smart filter and second grade smart filter communicate in proper order through oil pipe, second grade smart filter on be provided with the oil-out, the lower part of frame is installed and is removed the wheel, its characterized in that:
the machine frame is also provided with a prefilter, the prefilter comprises a prefilter box body, the prefilter box body is of a cylindrical structure which is closed up and down, the upper end of the prefilter box body is provided with an oil inlet pipe, the lower end of the prefilter box body is provided with an oil outlet pipe, the oil outlet pipe is connected with a coarse filter, the prefilter box body is internally provided with a prefilter plate, the prefilter plate is of a circular plate structure which is horizontally arranged, the prefilter plate can rotate relative to the prefilter box body, the lower part of the prefilter plate is provided with a main shaft, the prefilter box body is externally provided with a motor, and the motor is connected with the main shaft; the upper surface of the pre-filtering plate is provided with a mounting groove, the mounting groove is a circular groove coaxial with the pre-filtering plate, the upper surface of the pre-filtering plate is also provided with a cover plate, the cover plate is covered in the mounting groove, the cover plate is provided with a plurality of oil leakage holes, the bottom of the mounting groove is provided with a plurality of mounting holes, a filter cup is arranged in the mounting holes, the filter cup is in a circular groove shape, and the side wall and the bottom of the filter cup are both in a net structure;
the upper edge of the mounting hole is provided with a limiting notch, and the upper edge of the filter cup protrudes outwards to form a limiting part matched with the limiting notch;
a sealing ring is arranged between the inner wall of the pre-filtering box body and the pre-filtering plate.
2. The mobile oil filter according to claim 1, wherein: the upper ends of the coarse filter, the primary fine filter and the secondary fine filter are of clamping structures, the clamping structures comprise a filter shell and an upper cover, a plurality of first lug plate groups are arranged at the upper end of the filter shell, a plurality of second lug plate groups corresponding to the first lug plate groups in position are arranged on the upper cover, each first lug plate group comprises two first lug plates which are oppositely arranged, bolts are arranged between the two first lug plates, each bolt is hinged with a screw rod, each second lug plate group comprises two second lug plates which are oppositely arranged, the upper end of each screw rod extends into the space between the two second lug plates, and a fixing nut is arranged at the upper end of each screw rod, and the diameter of the fixing nut is larger than the distance between the two second lug plates.
3. The mobile oil filter according to claim 1, wherein: the middle part position of apron upper surface is provided with the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505042.5A CN109364569B (en) | 2018-12-10 | 2018-12-10 | Movable oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505042.5A CN109364569B (en) | 2018-12-10 | 2018-12-10 | Movable oil filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109364569A CN109364569A (en) | 2019-02-22 |
| CN109364569B true CN109364569B (en) | 2024-01-26 |
Family
ID=65373084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811505042.5A Active CN109364569B (en) | 2018-12-10 | 2018-12-10 | Movable oil filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109364569B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375925B (en) * | 2019-06-14 | 2021-11-26 | 岭澳核电有限公司 | Nuclear power station oil filter and method for detecting oil leakage |
| CN111088108A (en) * | 2019-12-12 | 2020-05-01 | 湖州一环环保科技有限公司 | Gearbox lubricating oil recovery purifier with anti-overflow goes out function |
| CN113843355A (en) * | 2021-08-30 | 2021-12-28 | 安徽高博过滤科技有限公司 | Fuel filter assembly blank holder device |
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| GB1469288A (en) * | 1973-11-19 | 1977-04-06 | Racor Industries Inc | Fluid separation apparatus |
| FR2831076A1 (en) * | 2001-10-24 | 2003-04-25 | Mann & Hummel Filter | Filter for filtering dirty liquids, e.g. emulsions of lubricant and coolants from machine tools or oils, comprises first filter sub-assembly containing tube of fritted material |
| CN2912760Y (en) * | 2005-07-07 | 2007-06-20 | 中国重型汽车集团泰安五岳专用汽车有限公司 | Sliding surface electric potential control type oil-purifying machine |
| EP2594755A2 (en) * | 2011-11-18 | 2013-05-22 | MAN Diesel & Turbo SE | Lubricating oil auxiliary flow cleaning device |
| CN203098488U (en) * | 2013-02-01 | 2013-07-31 | 浙江诚信医化设备有限公司 | Clamp |
| CN203162351U (en) * | 2012-12-20 | 2013-08-28 | 三一汽车制造有限公司 | Pipe clamp and concrete conveying device provided with same |
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| CN206092253U (en) * | 2016-10-08 | 2017-04-12 | 湖北特威特动力科技股份有限公司 | Diesel engine fuel is filter equipment in advance |
| CN206508628U (en) * | 2017-01-13 | 2017-09-22 | 云南鼎和环保科技有限公司 | It is a kind of to drain slag filter with function of on-line cleaning |
| CN107617623A (en) * | 2016-07-16 | 2018-01-23 | 重庆市六方格农业综合开发有限公司 | A kind of kitchen garbage retracting device |
| CN108057268A (en) * | 2017-12-21 | 2018-05-22 | 安徽恒宇环保设备制造股份有限公司 | A kind of processing unit of algae scum silica frost |
| CN108434815A (en) * | 2018-06-14 | 2018-08-24 | 江苏海事职业技术学院 | A kind of filter mechanism for automated machine tool lubricating oil |
| CN209270995U (en) * | 2018-12-10 | 2019-08-20 | 安徽高博过滤科技有限公司 | A kind of removable oil filter |
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| US7081206B2 (en) * | 2002-07-31 | 2006-07-25 | Investors Precision Manufacturing, Inc. | Filter apparatus and method with centrifugal separator for removing contaminants from a fluid |
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| GB821877A (en) * | 1956-01-20 | 1959-10-14 | Bowser Inc | Filter-dehydrator |
| GB1469288A (en) * | 1973-11-19 | 1977-04-06 | Racor Industries Inc | Fluid separation apparatus |
| FR2831076A1 (en) * | 2001-10-24 | 2003-04-25 | Mann & Hummel Filter | Filter for filtering dirty liquids, e.g. emulsions of lubricant and coolants from machine tools or oils, comprises first filter sub-assembly containing tube of fritted material |
| CN2912760Y (en) * | 2005-07-07 | 2007-06-20 | 中国重型汽车集团泰安五岳专用汽车有限公司 | Sliding surface electric potential control type oil-purifying machine |
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| CN203098488U (en) * | 2013-02-01 | 2013-07-31 | 浙江诚信医化设备有限公司 | Clamp |
| CN204469882U (en) * | 2015-02-10 | 2015-07-15 | 柳州日高过滤器有限责任公司 | Three grades of secondary filter oil filters |
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| CN206092253U (en) * | 2016-10-08 | 2017-04-12 | 湖北特威特动力科技股份有限公司 | Diesel engine fuel is filter equipment in advance |
| CN206508628U (en) * | 2017-01-13 | 2017-09-22 | 云南鼎和环保科技有限公司 | It is a kind of to drain slag filter with function of on-line cleaning |
| CN108057268A (en) * | 2017-12-21 | 2018-05-22 | 安徽恒宇环保设备制造股份有限公司 | A kind of processing unit of algae scum silica frost |
| CN108434815A (en) * | 2018-06-14 | 2018-08-24 | 江苏海事职业技术学院 | A kind of filter mechanism for automated machine tool lubricating oil |
| CN209270995U (en) * | 2018-12-10 | 2019-08-20 | 安徽高博过滤科技有限公司 | A kind of removable oil filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109364569A (en) | 2019-02-22 |
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