CN1056439A - Filter core for whole flow depth purifier of lubricating oil - Google Patents
Filter core for whole flow depth purifier of lubricating oil Download PDFInfo
- Publication number
- CN1056439A CN1056439A CN 90101748 CN90101748A CN1056439A CN 1056439 A CN1056439 A CN 1056439A CN 90101748 CN90101748 CN 90101748 CN 90101748 A CN90101748 A CN 90101748A CN 1056439 A CN1056439 A CN 1056439A
- Authority
- CN
- China
- Prior art keywords
- filter core
- lubricating oil
- core
- filter
- wood chip
- 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.)
- Granted
Links
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 27
- 239000002023 wood Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims abstract description 9
- 239000003513 alkali Substances 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 30
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 27
- 239000003921 oil Substances 0.000 claims description 11
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 10
- 239000003146 anticoagulant agent Substances 0.000 claims description 9
- 229940127219 anticoagulant drug Drugs 0.000 claims description 9
- 239000003963 antioxidant agent Substances 0.000 claims description 9
- 230000003078 antioxidant effect Effects 0.000 claims description 9
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 9
- 239000003755 preservative agent Substances 0.000 claims description 9
- 239000001488 sodium phosphate Substances 0.000 claims description 9
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 9
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 4
- 238000000748 compression moulding Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical group OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract description 5
- 229920006395 saturated elastomer Polymers 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 239000000123 paper Substances 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000012047 saturated solution Substances 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000011111 cardboard Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229940089401 xylon Drugs 0.000 description 1
Images
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- Filtering Materials (AREA)
Abstract
Filter core for whole flow depth purifier of lubricating oil, it is with through 100 parts of pretreated wood chips of alkali, 60～70 parts of strings are saturated and stir evenly the back and filter in water, and the gained solid places extrusion forming on the inherent shaped device of mould, add that leather-hard drying is made behind 3.35～6.5 parts of auxiliary material again.The shaped device of this filter core is that foraminate core pipe and transition conduit are provided with two templates on the wall, they have in the exterior mould porose on the wall of movable jack beam with the other end that places stiff end to contact with push rod, filter core of the present invention not only can leach the impurity more than 5 μ in the online lubricating oil, and can keep its due viscosity and physical and chemical index.
Description
The present invention relates to a kind of filtering material, especially for the filtering material of petrol and diesel oil machine lube oil purification.
Generally is to adopt 200 order copper mesh to add the filter core that filter paper is made at present to the lubricated oil treatment process of petrol and diesel oil machine, also have adopt nonmetal filter core as corrugated paper and high temperature fiber filter paper etc.For the people in service life that prolong lubricating oil are provided with a kind of bypass type lubricating oil filter made from corrugated paper on diesel engine, because lubricating oil is easily oxidation under hot conditions, get back to through the lubricating oil after the corrugated paper bypass in the oil sump of machine, thereby the secondary oxidation time that has increased lubricating oil causes rotten too early.Above-mentioned metal filtering core and nonmetal filter core all are the impurity (comprising organic impurities and inorganic impurity) in the filtering lubricant oil merely, fineness after it filters is more than 10 μ, operation a period of time (or kilometer) back is because of the physical and chemical index more oil change that descends still, otherwise can influence the service life of engine.
In view of the object of the present invention is to provide, above-mentioned weak point of the prior art a kind ofly at filtering lubricant oil it is purified also to make the also full flow type filter element for purifier of standard up to specification of its every physical and chemical index in up to standard.
Purpose of the present invention can realize by following measure: a kind of filter core for whole flow depth purifier of lubricating oil that is used for petrol and diesel oil machine lube oil purification, it is characterized in that: it is made by wood chip (9～36 order), string (8～12 millimeters) and auxiliary material thereof, its proportioning following (by weight):
Wood chip 100
String 60～70
Auxiliary material 3.35～6.5
Wherein 3.35～6.5 parts auxiliary material include antioxidant, anti-coagulants and the preservative agent of aluminium oxide, barium hydroxide, sodium phosphate, potassium hydroxide, lubricating oil, their being allocated as follows in filter core (by weight)
Potassium hydroxide 1.5～2.0
Barium hydroxide 0.5～1.5
Aluminium oxide 0.7～2.0
Sodium phosphate 0.35～0.4
Anti-coagulants 0.1～0.2
Preservative agent 0.1～0.2
Antioxidant 0.1～0.2
The preparation method a of filter core of the present invention gives processing with wood chip and string with alkali earlier, b will give wood chip and the string mixing and stirring in water handled and filter after water saturation, the solid that c will filter gained places extrusion forming in the mould, and the filter core of d compression molding adds leather-hard drying behind the auxiliary material.
The shaped device of filtering element (cartridge) of the present invention, an end are provided with plug, the other end greater than its diameter and can be inserted with and be with two internal diameters be a bit larger tham core external diameter of pipe, the external diameter annular template identical with filter core and place wall to be provided with the other end that small through hole, a fixing end can stretch into push rod to have in the exterior mould of movable jack beam on the fixing transition conduit external diameter barrel identical with the filter core internal diameter of pin-and-hole is provided with the core pipe of some small through hole.
Filter core of the present invention is made by plant granule, string and auxiliary material.The present invention adopts the plant granule of one of main raw material such as the wood chip skeleton as filter core.Shrink again after the volumetric expansion drying because of wood chip absorbs behind the moisture, utilize this principle that it is fully made required shape after the water saturation, drying makes after the water evaporates and then has many spaces between wood chip, therefore can be used as the material of filtration.But the resistance of this filtering material and flow depend primarily on the size of wood pellet.Too hour its resistance is too big when particle, does not satisfy the minimum fuel delivery of engine; Its gap is too big when particle is too big, does not guarantee the fineness of filtrate residual impurity, thereby selects 9～36 purpose wood chips proper.
Another main raw material is a string, and it can be that xylon also can be a cotton fiber.It mainly acts on is " adhesive " that is equivalent to wood chip, can make wood chip form a fixed shape because these countless crisscross fibers exist.The intensity of this solid shape object depends on the length and the quantity of string.When string long and quantity for a long time, the object intensity height of its formation; But string is oversize and quantity is too many, can make object too densification cause resistance too big.Thereby 40～50%(weight ratio that to select string length be wood chip weight 8～12 millimeters quantity) comparatively suitable.
Added auxiliary material have anti-coagulants, preservative agent and the antioxidant of potassium hydroxide, barium hydroxide, aluminium oxide, sodium phosphate, lubricating oil in the filter core of the present invention.It can be divided into two classes, is bases or alkaline matter as potassium hydroxide, barium hydroxide, aluminium oxide, sodium phosphate wherein, but the acidic materials that its neutral lubrication oil in use produces increase near neutral its pH value, avoid the corrosion to diesel engine.Barium hydroxide also can react with chloride organic matter in addition, makes it to generate non-corrosive organic matter.Aluminium oxide also can make oil body increase.Another kind of as lubricating oil antioxidant, anti-coagulants and preservative agent, not only can remedy because of the used up gradually part of chemical change in service, adjust the physical and chemical index of lubricating oil; Also possess peptizaiton in addition, it can destroy oil film makes parcel impurity within it dissociate out, so that this impurity is removed, guarantees the fineness of filter back residue.Total addition of these auxiliary material is 3.35～6.5%(weight ratio of wood chip weight).Wherein: potassium hydroxide is 1.5～2.0%, and aluminium oxide is 0.7～2.0%, and barium hydroxide is 0.5～1.5%, sodium phosphate 0.35～0.4%, and antioxidant, anti-coagulants, preservative agent are 0.10～0.20%.For guaranteeing not overshoot of the fineness standard of filtrate residue, the grain fineness of above-mentioned water insoluble material is all below 5 μ.
The preparation method of filter core of the present invention gives processing with wood chip and string with alkali.String contains grease, in wood chip, except that containing grease, also contain and to make wooden rotten organic aliphatic acid, they preferably organic acid and grease have been removed after the sodium carbonate processing with alkali, not only anticorrosion main be the water imbibition that has increased wooden or fiber, make the big or fiber in wood chip gap, dry back in conjunction with firmly, will give the wood chip handled and string mixing and stirring in water and filter after with water saturation.In this mixed process, add sufficient water and make wood chip fully saturated, enough gaps are arranged to guarantee filter core.Stir simultaneously and will well make wood chip and fiber dispersion even, to guarantee the intensity of filter core.The solid of above-mentioned filtration gained is placed extrusion forming in the mould.The result who exerts pressure is not only by the mold shape typing, more mainly is that fiber is radially unfolded in expressed water, and the through hole between filter core is then dredged.In order to prevent alteration of form in the dry run, the filter core leather-hard drying after the compression molding.Initial baking temperature is generally 45～55 ℃, heats up at last to 75～85 ℃ gradually in dry run.About 12～180 hours of whole dry run, this will choose suitable drying time according to the filter core diameter, should economy again the whole moisture in the filter core be removed.The auxiliary material that add auxiliary material and at first be various specified quantities are made into saturated solution.A kind of method is that it is sprayed on the filter core of the preceding band mould of drying.Another kind method is that filter core was taken out after dry a period of time, is immersed in the solution that auxiliary material are made into, and its very fast absorption by filter core is continued dry filter core then, and then auxiliary material are attracted on the cartridge surface, is easy to contact with lubricating oil act on.
The shaped device of filter core of the present invention mainly is made up of core pipe, screen pipe, template, exterior mould and jack beam etc.The core pipe is cylindrical, and external diameter is identical with requirement filter core internal diameter so that the internal diameter of definite filter core.The end that this tube wall is provided with the core pipe of some small through hole (being apopore) is provided with the plug greater than the core external diameter of pipe, and it not only can but also can hold template with the end sealing of core pipe.This template is the annular internal diameter and is a bit larger tham the core external diameter of pipe and can be enclosed within on the core pipe.And the external diameter of template is identical with desired filter core external diameter.Template is two, and the best two templates periphery of one side relatively are provided with protruding edge, make the filter core two ends of moulding have chamfering.The core pipe other end is provided with pin-and-hole, and this pin-and-hole is two template thickness and the summation of the filter core that requires to the length with the one side of core pipe plug adjacent forms.Make when extruding the height of filter core when pin-and-hole exposes template be institute and ask highly.This pin-and-hole also can link to each other with the core pipe another root with the transition conduit that wall directly is provided with small through hole, to remedy the deficiency of core length of tube before extruding.Above-mentioned template and core pipe are positioned at an internal diameter columnar exterior mould identical with requirement filter core external diameter, and it limits the appearance and size of filter core with two templates.This barrel is provided with some small through hole and also is apopore.This tube one end is fixed on the annular fixture, the forcing press push rod can pass annular fixture and core pipe plug and on a template contact it applied external force.
Be provided with flexible connection radially jack beam thereon at the adventitia tube other end, its can be when push rod pushes with the Template Location of this side.At first the solid matter that leaches is placed between exterior mould and two templates during operation, its charging quantity will be above filter core height after the moulding, then jack beam is fixed by hydraulic system and make the push rod application of force, core pipe, template move to exterior mould one end of establishing jack beam, moisture in it then flows out in the small through hole of core tube transitions pipe and exterior mould, when pin-and-hole then pushes end when template is stretched out, the transition conduit of dismantling is plugged pin, pushes that jack beam takes out the core pipe and the folded filter core of two templates carries out drying aside.The equal chromium plating of part that template, core pipe, exterior mould, transition conduit can contact with material, not only anticorrosion, easy molding but also cartridge surface are smooth.
Drawing is described as follows:
Fig. 1 is the shaped device front elevational schematic of filter core of the present invention.
Fig. 2 is the shaped device schematic top plan view of filter core of the present invention.
In the shaped device schematic diagram of filter core for whole flow depth purifier of lubricating oil illustrated in figures 1 and 2, the core pipe 1 that external diameter is identical with requirement filter core internal diameter is cylindrical, and wall is provided with some small through hole 2.One end of this core pipe is provided with plug 3, and the other end is provided with pin-and-hole 4, also another root can be linked to each other with the transition conduit 5 that wall directly is provided with small through hole with the core pipe by this pin-and-hole.Be enclosed within on core pipe and the transition conduit two annular templates 6 they be located on the internal diameter wall identical and have in some small through hole 7 cylindrical outer mold tubes 8 with requirement filter core external diameter.The flange of this exterior mould one end periphery is fixed on the annular fixture 9 by connector, and taking over a business of forcing press push rod 10 ends 11 can be passed this fixture and contact with core pipe and template.On the symmetric position of exterior mould other end core pipe both sides, be provided with two jack beams 12 that are movably connected on the exterior mould.
Embodiment 1
Get 100 part of 9～36 purpose wood chip and place in the container, add the degree of depth and be 5～8 parts of 75～95% sodium carbonate liquors, leave standstill after mixing 8～15 hours stand-by.
Get 40 parts and contain 8～12 millimeters cotton fiber and place and add 8～10 parts of 75～95% sodium carbonate liquors in the container, it is stand-by to mix static 8～15 hours of back.
The above-mentioned cotton fiber of handling that gives is placed in the container that has the stirring of slurry formula, and add water in this container, its water yield is 10 times of cotton fiber weight.Stir with 300～500 rev/mins rotating speed at normal temperatures, will give the wood chip of handling through alkali then and add in this container, fully stir and make it to mix.After filtration with Separation of Solid and Liquid, taking out solid that part leaches, to place internal diameter be leather-hard drying behind the extruding part moisture on 50 millimeters the filter core shaped device.Dry initial temperature is 45～55 ℃, will all place the saturated solution that contains 1.5 parts of potassium hydroxide, 1.5 parts of barium hydroxides, 0.7 part of aluminium oxide, 0.4 part of sodium phosphate and 0.1 part of antioxidant, 0.1 part of anti-coagulants, 0.1 portion of preservative agent that gives getting ready earlier with the taking-up of mould filter core in lasting 6 hours.When solution that it(?) again will be all after blotting be continued dry with the filter core of mould, temperature rose to 65～75 ℃ and continued 4 hours this moment, at last temperature was risen to 75～85 ℃ and continued 2 hours, can obtain the finished product filter core.
Embodiment 2
Get giving of 100 part of 9～36 purpose wood chip repetition example 1 and handle operation.Getting 50 parts of dried cardboards that contain the paper pulp raw material of 8～12 millimeters xylons again places and makes it the after-tack that fully absorbs water in the water container.This dried cardboard that soaks is placed the operation that repeats example 1 in the container that has the stirring of slurry formula.Getting the solid portion that leaches, to place internal diameter be on 220 millimeters the filter core shaped device after the typing, will carry out drying then on the whole band mould filter cores that give after the saturated solution of getting ready earlier that contains 2.0 parts of potassium hydroxide, 0.5 part of barium hydroxide, 2.0 parts of aluminium oxide, 0.35 part of sodium phosphate and 0.2 part of antioxidant, 0.2 part of anti-coagulants, 0.2 portion of preservative agent evenly is sprayed at typing.Initial temperature is 45～55 ℃ and continues 60 hours, then temperature is risen to 65～75 ℃ and continues 72 hours, at last temperature is risen to 75～85 ℃ and continues can obtain the finished product filter core in 60 hours.
The present invention has following advantage compared to existing technology:
1. can adsorb mechanical admixture, make the fineness of the rear residual impurity of filter below 5 μ, aseptic. The impurity of online lubricating oil is taken out by purifying filter element, keep the cleaning of lubricating oil.
2. except impurity screening, also have the acid number of natural increase in " neutralization " lubricating oil, and can keep the effect of the due viscosity of machine oil and existing index.
Main material source abundant also can utilize refuse, cheap, save a large amount of metals.
4. lubricating oil is used for a long time prolong its replacement cycle, can save 35～45% lubricating oil, energy savings.
5. prevent that the harbour is by waste oil pollution, protection marine resources.
6. the filter core compressive resistance is big, can reach more than the 33.33MPa.
7. not limited by natural conditions, any situation all can normally act on.
8. alleviate the more labour intensity of oil change of operator.
Claims (4)
1, a kind of filter core for whole flow depth purifier of lubricating oil that is used for vapour, diesel lubrication oil purification is characterized in that: it is made by wood chip (9～36 order), string (8～12 millimeters) and auxiliary material thereof, its proportioning following (by weight).
Wood chip 100
String 60～70
Auxiliary material 3.35～6.5
2, filter core for whole flow depth purifier of lubricating oil according to claim 1, it is characterized in that: 3.35～6.5 parts auxiliary material include antioxidant, anti-coagulants and the preservative agent of aluminium oxide, barium hydroxide, sodium phosphate, potassium hydroxide, profit carburetion, their being allocated as follows in filter core (by weight):
Potassium hydroxide 1.5～2.0
Barium hydroxide 0.5～1.5
Aluminium oxide 0.7～2.0
Sodium phosphate 0.35～0.4
Anti-coagulants 0.1～0.2
Preservative agent 0.1～0.2
Antioxidant 0.1～0.2
3, the preparation method of above-mentioned filter core for whole flow depth purifier of lubricating oil, it is characterized in that: a gives processing with wood chip and string with alkali earlier, b will give wood chip and the string mixing and stirring in water handled and filter after water saturation, the solid that c will filter gained places extrusion forming in the mould, and the filter core of d compression molding adds leather-hard drying behind the auxiliary material.
4, the shaped device of above-mentioned filter core for whole flow depth purifier of lubricating oil is characterized in that: an end is provided with plug 3 other ends greater than its diameter and can be inserted with and be with two internal diameters be a bit larger tham core external diameter of pipe, external diameter identical annular template 6 places wall to be provided with the other end that small through hole 7, a fixing end can stretch into push rod 10 to have in the exterior mould 8 of movable jack beam 12 with the filter core external diameter on the pin-and-hole 4 fixing transition conduit 5 external diameters barrels identical with the filter core internal diameter are provided with the core pipe 1 of some small through hole 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90101748 CN1021200C (en) | 1990-03-26 | 1990-03-26 | Filter core for whole flow depth purifier of lubricating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90101748 CN1021200C (en) | 1990-03-26 | 1990-03-26 | Filter core for whole flow depth purifier of lubricating oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1056439A true CN1056439A (en) | 1991-11-27 |
| CN1021200C CN1021200C (en) | 1993-06-16 |
Family
ID=4877242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90101748 Expired - Fee Related CN1021200C (en) | 1990-03-26 | 1990-03-26 | Filter core for whole flow depth purifier of lubricating oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1021200C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530704B (en) * | 2008-03-11 | 2012-10-10 | 广州迪森热能技术股份有限公司 | Decoking filter |
| CN103590874A (en) * | 2013-04-26 | 2014-02-19 | 李宗泽 | Synthetic filter material, filter-paper-free metal-free synthetic filter element, manufacturing method of filter element, and filter |
| CN109316826A (en) * | 2018-12-03 | 2019-02-12 | 江西福莱特过滤材料有限公司 | Air filting material and its preparation method and application |
| CN112252086A (en) * | 2020-11-12 | 2021-01-22 | 闽江学院 | Plant fiber filter element forming device of oil filter and using method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905102B (en) * | 2010-08-03 | 2012-05-23 | 盛国庆 | Engine lubricating oil filtering material and production process thereof |
-
1990
- 1990-03-26 CN CN 90101748 patent/CN1021200C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530704B (en) * | 2008-03-11 | 2012-10-10 | 广州迪森热能技术股份有限公司 | Decoking filter |
| CN103590874A (en) * | 2013-04-26 | 2014-02-19 | 李宗泽 | Synthetic filter material, filter-paper-free metal-free synthetic filter element, manufacturing method of filter element, and filter |
| CN109316826A (en) * | 2018-12-03 | 2019-02-12 | 江西福莱特过滤材料有限公司 | Air filting material and its preparation method and application |
| CN109316826B (en) * | 2018-12-03 | 2021-11-05 | 江西福莱特过滤材料有限公司 | Air filtering material and preparation method and application thereof |
| CN112252086A (en) * | 2020-11-12 | 2021-01-22 | 闽江学院 | Plant fiber filter element forming device of oil filter and using method thereof |
| CN112252086B (en) * | 2020-11-12 | 2024-07-19 | 闽江学院 | Plant fiber filter element forming device of engine oil filter and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1021200C (en) | 1993-06-16 |
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