CN107648929A - Reclaim the filtration system of lubricating oil - Google Patents
Reclaim the filtration system of lubricating oil Download PDFInfo
- Publication number
- CN107648929A CN107648929A CN201710916568.1A CN201710916568A CN107648929A CN 107648929 A CN107648929 A CN 107648929A CN 201710916568 A CN201710916568 A CN 201710916568A CN 107648929 A CN107648929 A CN 107648929A
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- China
- Prior art keywords
- oil
- filter
- sump
- recoil
- guide pipe
- 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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- 238000001914 filtration Methods 0.000 title claims abstract description 84
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 39
- 239000003921 oil Substances 0.000 claims abstract description 184
- 239000002699 waste material Substances 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 15
- 238000011084 recovery Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000003818 cinder Substances 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims 1
- 238000005461 lubrication Methods 0.000 abstract description 12
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 4
- 230000003749 cleanliness Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000725 suspension Substances 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
- B01D36/02—Combinations of filters of different kinds
-
- 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
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
-
- 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
- B01D36/003—Filters in combination with devices for the removal of liquids
- B01D36/006—Purge means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention discloses a kind of filtration system for reclaiming lubricating oil, including sump oil case, sump (waste oil) pump, magnetic filter, heater, recoil film filter and absolute oil case, micron-sized impurity particle in lubricating oil can be separated by filtration by the system, so that can reach after lubrication oil filtration or the cleanliness factor close to fresh oil, it is set to continue normal use, and this filtration system belongs to physical filtering, the chemical property before lubrication oil filtration will not be changed after filtering, so it is entirely capable of the standard for meeting lubricating oil normal use, the combination that the system is turned on and off by PLC control varying number ball valves, reach the automatic running for controlling the system and cleaning, not only reduce the production cost of factory, also help and preserve the ecological environment.
Description
Technical field
The present invention relates to the technical field that lubricating oil recycles filtering, more particularly to a kind of filtering system for reclaiming lubricating oil
System.
Background technology
Lubricating oil plays very important effect in manufacturing industry, plant equipment, either machining or machine fortune
Row all be unable to do without the use of lubricating oil, and lubricating oil main function is lubrication, cooling, antirust, cleaning, sealing and buffering etc.；And
When using lubricating oil in mechanical processing process or in machinery equipment operation, all it can make lubrication because of cutting, abrasion and other factorses
Increasing impurity is deposited in oil, wherein impurity includes metal powder, colloidal suspensions, sandstone etc.；Because increasing for impurity, makes
The using effect and performance of lubricating oil can drastically decline, and cause machining accuracy during machining to be deteriorated, cutter life shortens, caused
Parts depreciation is accelerated during equipment operation, causes service life of a machine to shorten.
In traditional lubrication oil filtration mode, filtering accuracy is mostly all at tens microns to several millimeters, and traditional mistake
Filter mode need use a large amount of consumptive materials, and use cost is high；After lubricating oil is recycled for a long time, deposition is increasing small miscellaneous
During matter particle (several microns or less than one micron), traditional filtering mode can not just refilter clean and make lubricating oil continue to make
With so can only now carry out recovery emission treatment；And lubricating oil price, use cost are very high, the pollution also to environment is non-
Chang Yanchong.
World community is all wideling popularize energy-conserving and environment-protective now, and advocates green manufacturing, and China is these years also always big
The plan into energy-saving and emission-reduction is pushed, the requirement for having emission reduction to enterprise every year, and it is more and more tighter to the discharge standard of enterprise, permit
Perhaps the discharge capacity of enterprise is also fewer and fewer；So if a kind of high-precision lubrication oil filtration equipment can be invented, to improve lubricating oil
Service life, not only responded national policy requirement, moreover it is possible to realize reduce discharge, be a huge benefit to ecological environment
Place, and the raising of lubricant life, the cost of enterprise can be substantially reduced, improve the economic capability of enterprise.
The content of the invention
In order to overcome shortcoming and defect present in prior art, it is an object of the invention to provide one kind to reclaim lubricating oil
Filtration system, for filtering various discarded lubricating oil, micron-sized impurity particle in lubricating oil can be separated by filtration, from
And can reach after making lubrication oil filtration or the cleanliness factor close to fresh oil, it is continued normal use, and this filtration system category
Chemical property before will not changing lubrication oil filtration after physical filtering, filtering, so being entirely capable of meeting lubricating oil normal use
Standard, the system reaches by the combination that is turned on and off of PLC control varying number ball valves and controlled the automated system operation
And cleaning.
The purpose of the present invention is achieved through the following technical solutions：
The present invention provides a kind of filtration system for reclaiming lubricating oil, including：
Sump oil case, sump (waste oil) pump and magnetic filter, the wherein sump (waste oil) pump be connected to the sump oil case and the magnetic filter it
Between, the sump oil being stored in the sump oil case is extracted and coarse filtration is carried out into the magnetic filter by the sump (waste oil) pump；
Heater, the heater are connected to after the magnetic filter, and the heater is by after the magnetic filter coarse filtration
Sump oil heated；
Recoiled film filter, and the recoil film filter is connected to after the heater, the sump oil after the heater is heated
Carry out smart filtering；
Absolute oil case, the absolute oil case are connected to after the recoil film filter, the oil after recoil film filter filtering
Liquid is discharged into absolute oil case and stored.
Further, in addition to：
Dirty oil filter, the dirty oil filter are connected to after the recoil film filter, and the dirty oil filter recoils this
Fluid further essence filtering after film filter essence filtering；
Water filter, the water filter are connected between the absolute oil case and the dirty oil filter, and the water filter was used for
Filter the water in fluid after the dirty oil filter filters.
Further, the recoil film filter is connected by oil guide pipe with the heater, and the recoil film filter is by leading
Oil pipe is connected with the dirty oil filter, and oil guide pipe is also associated between the sump oil case and the oil guide pipe.
Further, bypassed and connected by oil guide pipe between the dirty oil filter and the heater, the oil guide pipe is provided with
Valve, when the recoil film filter breaks down, the valve on the oil guide pipe is opened, and dirt is carried out using the dirty oil filter
Oil filtering.
Further, the recoil film filter is connected by oil guide pipe with the sump oil case, when recoiling scarfing cinder, compressed air
Oil in the recoil film filter is emptied in the sump oil case by the oil guide pipe.
Further, the recoil film filter is connected by oil guide pipe with dregs of fat filter, and when recoiling scarfing cinder, compression is empty
Impurity in the recoil film filter on filter core is recoiled out and is discharged to by the oil guide pipe in the dregs of fat filter and carried out by gas
The dregs of fat filter.
Further, the recoil film filter is connected by oil guide pipe with the sump oil case, and in filtering for pressure release, this is anti-
The some oil rushed in film filter is discharged in the sump oil case by the oil guide pipe.
Further, the recoil film filter include two, respectively first recoil film filter and second recoil film mistake
Filter, this two recoil film filters are arranged in parallel, and the sump oil after this two recoil film filters heat the heater is carried out
Essence filtering, the fluid after this two are recoiled film filter filtering, which is uniformly discharged into absolute oil case, to be stored.
Further, for one of recoil film filter in this two recoil film filters when recoiling scarfing cinder, this two
Another recoil film filter in individual recoil film filter is in oil strain work.
Further, connected between the sump (waste oil) pump both ends by the oil guide pipe for pressure release, the oil guide pipe is provided with valve.
Beneficial effect of the present invention is：The system can filter out micron-sized impurity particle, so that after lubrication oil filtration
It can reach or the cleanliness factor close to fresh oil, it is continued normal use, and this filter plant belongs to physical filtering, after filtering
The chemical property before lubrication oil filtration will not be changed, so being entirely capable of the standard for meeting lubricating oil normal use, reduce factory
Production cost, protect ecological environment, by control ball valve open and close combination, realize the automatic cleaning of the system
Function, the production cost of factory is not only reduced, also helps and preserves the ecological environment.
Brief description of the drawings
Fig. 1 is the schematic flow sheet for the filtration system that lubricating oil is reclaimed in the embodiment of the present invention one；
Fig. 2 is the schematic flow sheet for the filtration system that lubricating oil is reclaimed in the embodiment of the present invention two；
Fig. 3 is that the schematic diagram that the filtration system of lubricating oil is connected with PLC electric signals is reclaimed in the embodiment of the present invention one and two；
In figure：Recoil the recoil film filter of film filter 1, first 1a, the second recoil film filter 2a；Dregs of fat filter 3；
Dirty oil filter 4；Water filter 5；Absolute oil case 6；Heater 7；Magnetic filter 8；Sump (waste oil) pump 9；Sump oil case 10；Pressure sensor
c1、c2、c3、c4；Manual ball valve B1；Pneumatic ball valve A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
A14、A15、A16、A17；Oil guide pipe D1, D2, D3, D4, D5, D6, D7, D8.
Embodiment
Following for the objects, technical solutions and advantages of the present invention are more clearly understood, the present embodiment uses optimal side
Case is described in detail.It should be appreciated that specific embodiment described herein is not used to limit this only to explain the present invention
Invention.
[embodiment one]
As shown in figure 1, the recovery lubrication oil filtration system that the present embodiment provides, before lubricating oil essence is not changed
Carry out secondary filter is put, the system includes：
Sump oil case 10, sump (waste oil) pump 9 and magnetic filter 8, the wherein sump (waste oil) pump 9 are connected to the sump oil case 10 and the magnetic mistake
Between filter 8, the sump oil being stored in the sump oil case 10 is extracted and coarse filtration is carried out into the magnetic filter 8 by the sump (waste oil) pump 9,
Filter out the magnetic impurity in sump oil；
Heater 7, the heater 7 are connected to after the magnetic filter 8, and the heater 7 is by the 8 thick mistake of magnetic filter
Sump oil after filter is heated, and reduces the viscosity of sump oil, to improve the efficiency and quality of filtering；
Recoiled film filter 1, and the recoil film filter 1 is connected to after the heater 7, after the heater 7 is heated
Sump oil carries out smart filtering, and the recoil film filter 1 is provided with a biography for being used to detect filter residue weight in the recoil film filter 1
Sensor C1, when filter residue reaches default weight, carry out automatic backflushing scarfing cinder；
Absolute oil case 6, the absolute oil case 6 are connected to after the recoil film filter 1, after the recoil film filter 1 filtering
Fluid be discharged into absolute oil case 6 and stored.
In one embodiment, pass through the oil guide pipe D1 connections for pressure release, the oil guide pipe between the both ends of sump (waste oil) pump 9
D1 is provided with valve A17.
In one embodiment, in addition to：
Dirty oil filter 4, the dirty oil filter 4 are connected to after the recoil film filter 1, and the dirty oil filter 4 should
Further essence is filtered fluid after the essence filtering of recoil film filter 1, makes fluid purer, and the dirty oil filter 4, which is provided with, to be used
In the sensor C3 for detecting filter residue weight in the dirty oil filter 4；
Water filter 5, the water filter 5 are connected between the absolute oil case 6 and the dirty oil filter 4, and the water filter 5 is used
Water in fluid after filtering out the dirty oil filter 4 filtering, the fluid after filtering are discharged into absolute oil case 6 and stored.
The recoil film filter 1 is connected by oil guide pipe D2 with the heater 7, and the recoil film filter 1 passes through oil guide pipe
D3 is connected with the dirty oil filter 4, and oil guide pipe D3 is provided with valve A13, A15, the sump oil case 10 and oil guide pipe D3 it
Between be also associated with oil guide pipe D4, oil guide pipe D4 is provided with valve A16.
When present invention recovery lubrication oil filtration system just starts filtration, a bridging time is provided with, makes this anti-
Filter residue is depended on the filter core rushed in film filter 1, filter opening is diminished, further improves filtering accuracy, when putting up a bridge, the oil of filtering
It is discharged into by oil guide pipe D4 in sump oil case 10.
Bypassed and connected by oil guide pipe D5 between the dirty oil filter 4 and the heater 7, oil guide pipe D5 is provided with valve
B1, when the recoil film filter 1 breaks down, the valve B1 on oil guide pipe D5 is opened, and is entered using the dirty oil filter 4
Row sump oil filters.
The recoil film filter 1 is connected by the oil guide pipe D7 provided with valve A2 and the sump oil case 10, when recoiling scarfing cinder,
Compressed air is discharged into the recoil film filter 1 by low pressure air source by the airway tube provided with valve A7, and by the recoil film
Oil in filter 1 is emptied in the sump oil case 10 by oil guide pipe D7.
The recoil film filter 1 is connected by the oil guide pipe D6 provided with valve A3 and dregs of fat filter 3, in recoil scarfing cinder
When, compressed air is discharged into the recoil film filter 1 by source of high pressure air by the airway tube provided with valve A12, and this is anti-
Rush the impurity in film filter 1 on filter core and recoil out and be discharged to by oil guide pipe D6 in the dregs of fat filter 3 and carry out the dregs of fat
Filtering, the dregs of fat filter 3 are provided with the sensor C4 for detecting filter residue weight in the dregs of fat filter 3.
The recoil film filter 1 is connected by the oil guide pipe D8 provided with valve A14 and the sump oil case 10, in filtering in order to
Pressure release, some oil in the recoil film filter 1 are discharged in the sump oil case 10 by oil guide pipe D8.
Preferably, in the present embodiment, the dirty oil filter 4 and the dregs of fat filter 3 are accurate filter.
Preferably, as shown in figure 3, valve A1, A2, A3, A7, A12, A13, A14, A15, A16 and A17 in the present embodiment
For pneumatic ball valve, sensor C1, C3 and C4 are pressure sensor, above-mentioned pneumatic ball valve and sensor respectively by electric signal with
PLC control system connects, and reaches the automatic operating of whole system.
[embodiment two]
As shown in Fig. 2 provided in the filtration system and embodiment one of the recovery lubricating oil that the embodiment of the present invention two provides
It is essentially identical to reclaim the filtration system of lubricating oil, those skilled in the art is it should be appreciated that difference is, the recoil
Film filter 1 include two, respectively first recoil film filter 1a and second recoil film filter 1b, this two recoil film mistakes
Filter 1a, 1b are arranged in parallel, and the sump oil after this two recoils film filter 1a, 1b heat the heater 7 carries out smart filtering, warp
The fluid crossed after this two recoil film filter 1a, 1b filterings, which is uniformly discharged into absolute oil case 6, to be stored.
The first recoil film filter 1a and the second recoil film filter 1b are respectively equipped with valve with oil guide pipe D2 junctions
Door A1, A6；Valve A13, A10 are respectively equipped with oil guide pipe D3 junctions；With oil guide pipe D6 junctions be respectively equipped with valve A3,
A5；Valve A2, A4 are respectively equipped with oil guide pipe D7 junctions；Valve A14, A9 are respectively equipped with oil guide pipe D8 junctions；With it is low
Pressure air-source junction is respectively equipped with valve A7, A8；Valve A12, A11 are respectively equipped with source of high pressure air junction.
Further, valve A1, A13, A14 are closed when first recoil film filter 1a recoil scarfing cinders, opens valve
A2, A7 empty the fluid in first recoil film filter 1a, are then shut off valve A2, A7, while open valve A3, A12 and enter
Row recoil deslagging；Valve A6, A9, A10 are closed when second recoil film filter 1b recoil scarfing cinders, opens valve A4, A8 row
Fluid in empty first recoil film filter 1b, is then shut off valve A4, A8, while open valve A5, A11 and carry out recoil row
Slag.
For one of recoil film filter in this two recoil film filters 1a, 1b when recoiling scarfing cinder, this two anti-
Another recoil film filter rushed in film filter 1a, 1b is in oil strain work.
Preferably, in the present embodiment, the dirty oil filter 4 and the dregs of fat filter 3 are accurate filter.
Preferably, as shown in figure 3, valve A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11 in the present embodiment,
A12, A13, A14, A15, A16 and A17 are pneumatic ball valve, and sensor C1, C2, C3 and C4 are pressure sensor, above-mentioned Pneumatic ball
Valve and sensor are also connected with PLC control system by electric signal respectively, reach the automatic operating of whole system.
Those skilled in the art it should be appreciated that remaining structure and operation principle of the present embodiment and embodiment
One is identical, repeats no more here.
Compared with embodiment one, the filtration system advantage for the recovery lubricating oil that the present embodiment two provides exists the present embodiment two
In：Using two recoil film filters 1, it is possible to achieve continuous filtering, when the first recoil film filter 1a recoils cleaning
Wait, the second recoil film filter 1b can continue normal work, and not only realizing continuously to work, and also increase filtration yield.
The above described is only a preferred embodiment of the present invention, any formal restriction not is done to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification,
For the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention content
Any simple modification, equivalent change and modification that above example is made, still fall within the protection domain of technical solution of the present invention
Within.
Claims (10)
- A kind of 1. filtration system for reclaiming lubricating oil, it is characterised in that including：Sump oil case (10), sump (waste oil) pump (9) and magnetic filter (8), the wherein sump (waste oil) pump (9) are connected to the sump oil case (10) and should Between magnetic filter (8), the sump (waste oil) pump (9) extracts the sump oil being stored in the sump oil case (10) to the magnetic filter (8) coarse filtration is carried out in；Heater (7), the heater (7) are connected to after the magnetic filter (8), and the heater (7) is by the magnetic filter (8) sump oil after coarse filtration is heated；Recoiled film filter (1), and the recoil film filter (1) is connected to after the heater (7), and the heater (7) is heated Sump oil afterwards carries out smart filtering；Absolute oil case (6), the absolute oil case (6) are connected to after the recoil film filter (1), by recoil film filter (1) mistake Fluid after filter is discharged into absolute oil case (6) and stored.
- 2. the filtration system of recovery lubricating oil according to claim 1, it is characterised in that also include：Dirty oil filter (4), the dirty oil filter (4) are connected to after the recoil film filter (1), the dirty oil filter (4) By the fluid further essence filtering after the recoil film filter (1) essence filtering；Water filter (5), the water filter (5) are connected between the absolute oil case (6) and the dirty oil filter (4), the water filtration Device (5) is used to filter out the water after the dirty oil filter (4) filters in fluid.
- 3. the filtration system of recovery lubricating oil according to claim 2, it is characterised in that the recoil film filter (1) is logical Cross oil guide pipe (D2) to be connected with the heater (7), the recoil film filter (1) passes through oil guide pipe (D3) and the dirty oil filter (4) connect, oil guide pipe (D4) is also associated between the sump oil case (10) and the oil guide pipe (D3).
- 4. the filtration system for the recovery lubricating oil stated according to claim 2, it is characterised in that the dirty oil filter (4) was with that should add Bypassed and connected by oil guide pipe (D5) between hot device (7), the oil guide pipe (D5) is provided with valve (B1), when the recoil film filter (1) when breaking down, the valve (B1) on the oil guide pipe (D5) is opened, and sump oil filtering is carried out using the dirty oil filter (4).
- 5. the filtration system of recovery lubricating oil according to claim 1, it is characterised in that the recoil film filter (1) is logical Oil guide pipe (D7) and the sump oil case (10) connection are crossed, when recoiling scarfing cinder, compressed air is by the oil in the recoil film filter (1) It is emptied to by the oil guide pipe (D7) in the sump oil case (10).
- 6. the filtration system of recovery lubricating oil according to claim 1, it is characterised in that the recoil film filter (1) is logical Oil guide pipe (D6) and dregs of fat filter (3) connection are crossed, when recoiling scarfing cinder, compressed air will filter in the recoil film filter (1) Impurity on core, which recoils out and is discharged to by the oil guide pipe (D6) in the dregs of fat filter (3), carries out dregs of fat filtering.
- 7. the filtration system of recovery lubricating oil according to claim 6, it is characterised in that the recoil film filter (1) is logical Oil guide pipe (D8) and the sump oil case (10) connection are crossed, in filtering for pressure release, some oil in the recoil film filter (1) It is discharged to by the oil guide pipe (D8) in the sump oil case (10).
- 8. the filtration system of recovery lubricating oil according to claim 1, it is characterised in that the recoil film filter (1) wraps Include two, the respectively first recoil film filter (1a) and the second recoil film filter (1b), this two film filters that recoil (1a, 1b) is arranged in parallel, and the sump oil after this two recoil film filters (1a, 1b) heat the heater (7) carries out smart filtering, Fluid after this two are recoiled film filter (1a, 1b) filtering, which is uniformly discharged into absolute oil case (6), to be stored.
- 9. the filtration system of recovery lubricating oil according to claim 8, it is characterised in that this two recoil film filters One of recoil film filter in (1a, 1b) is another in this two recoil film filters (1a, 1b) when recoiling scarfing cinder Individual recoil film filter is in oil strain work.
- 10. the filtration system of recovery lubricating oil according to claim 1, it is characterised in that between sump (waste oil) pump (9) both ends Connected by the oil guide pipe (D1) for pressure release, the oil guide pipe (D1) is provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916568.1A CN107648929A (en) | 2017-09-30 | 2017-09-30 | Reclaim the filtration system of lubricating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916568.1A CN107648929A (en) | 2017-09-30 | 2017-09-30 | Reclaim the filtration system of lubricating oil |
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| CN107648929A true CN107648929A (en) | 2018-02-02 |
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| CN201710916568.1A Pending CN107648929A (en) | 2017-09-30 | 2017-09-30 | Reclaim the filtration system of lubricating oil |
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