CN105986508A - Cellulose filter paper capable of increasing filter efficiency and used for hydraulic oil filter element - Google Patents
Cellulose filter paper capable of increasing filter efficiency and used for hydraulic oil filter element Download PDFInfo
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- CN105986508A CN105986508A CN201610062270.4A CN201610062270A CN105986508A CN 105986508 A CN105986508 A CN 105986508A CN 201610062270 A CN201610062270 A CN 201610062270A CN 105986508 A CN105986508 A CN 105986508A
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- filter paper
- distilled water
- filter
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/59—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/08—Filter paper
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
The invention discloses cellulose filter paper capable of increasing filter efficiency and used for a hydraulic oil filter element. The cellulose filter paper is prepared by, by weight, 50-55 parts of 3-5mm alkali-free superfine glass fiber, 55-60 parts of bleached softwood pulp, an appropriate amount of distilled water, 0.8-1 part of anionic polyacrylamide, an appropriate amount of concentrated sulfuric acid with the concentration being 98wt%, 10-12 parts of nano titanium dioxide, 20-25 parts of ferroferric oxide colloidal solution with the solid content being 30%, an appropriate amount of anhydrous ethanol, 60-65 parts of fluoro-silicon emulsion with the solid content being 40wt%, 6-7 parts of cellulose micro-powder, 8-9 parts of 4mol/L sodium hydroxide solution, 1.5-2 parts of dimethyl silicone oil, 0.4-0.45 part of organic tin laurate, 3-4 parts of dolomite and 0.9-1.1 parts of sodium alginate. The produced filter paper is solid and tough, less prone to damage and long in service life, and the replacement time of the filter paper is prolonged.
Description
Technical field
The present invention relates to filter paper technical field, particularly relate to a kind of cellulose and improve the hydraulic oil filter core filter paper of filter efficiency.
Background technology
Nowadays Chinese society is developing rapidly, and enterprise can select mechanically actuated mode in work progress mostly.Constantly perfect with science and technology, in terms of mechanically actuated, enterprise has applied the form of construction work of electromechanical integration all.During mechanical use, no matter how careful operator is to installation and the operation of equipment, all being not fee from the pollution causing hydraulic oil in various degree, the maintenance of hydraulic oil will take for substantial amounts of time and expense, and therefore hydraulic oil becomes of paramount importance parts during machinery uses.Machinery is in use, mainly operated by the through miscellaneous part of hydraulic oil, owing to moisture, gas inclusions dust are mixed in hydraulic oil, to cause hydraulic oil produces oxidation, cause the formation of foam, incrustation and greasy filth, directly affect the using effect of machinery, also result in sizable infringement to machinery simultaneously, hydraulic oil filtration system can reduce the incidence of this phenomenon, avoid that the phenomenon that hydraulic oil is contaminated in use occurs as far as possible, it can be seen that the filtration system of hydraulic oil directly affects the service life of machinery.
A kind of water-base resin with excellent hydrophobic oleophilic oil performance prepared in the preparation of the hydrophobic oleophilic oil organo-mineral complexing emulsion " and in the application study of oil-water separation filter paper " literary composition, prepare efficient water-oil separating resin by the method for organo-mineral complexing and be applied to filter paper impregnation, give filter paper with efficient water-oil separating performance simultaneously, substantially increase filter paper strength character and service life.Filtration filter paper is after complex emulsions dipping, and its surface presents double micro-rough structure, gives filter paper super-hydrophobic/super-oleophilic performance, and water-oil separating rate can be up to 99.6wt%.But the filter paper used herein is ordinary filter paper, not there is good heat resistant, corrosion resistance, and filter paper can be destroyed and be caused filtration inefficiencies under stress for a long time, so can directly promote and produce into, a kind of filter core filter paper that can be convenient for changing should be developed, certain pressure can not only be resisted, possesses good intensity, can use in high-temperature oil liquid, and can be good at moisture present in filtered fluid force feed and the mechanical admixture particle etc. in system, simultaneously cost-effective.
Content of the invention
The object of the invention is contemplated to make up the defect of prior art, provides a kind of cellulose to improve the hydraulic oil filter core filter paper of filter efficiency.
The present invention is achieved by the following technical solutions:
A kind of cellulose improves the hydraulic oil filter core filter paper of filter efficiency, it is made up of the raw material of following weight portion: 3-5 millimeter superfine E-glass fibre glass fibre 50-55, bleaching needle-point leaf pulp 55-60, distilled water is appropriate, PAMA 0.8-1, concentration is that the concentrated sulfuric acid of 98wt% is appropriate, nano titanium oxide 10-12, solid content is the ferroferric oxide gel solution 20-25 of 30%, absolute ethyl alcohol is appropriate, the fluoro-silicone emulsion 60-65 of solid content 40wt%, cellulosic micropowder 6-7, the sodium hydroxide solution 8-9 of 4mol/L, dimethicone 1.5-2, laurate organotin 0.4-0.45, dolomite 3-4, sodium alginate 0.9-1.1.
Described a kind of cellulose improves the hydraulic oil filter core filter paper of filter efficiency, is made up of step in detail below:
(1) distilled water adding 8-10 appropriate in 3-5 millimeter superfine E-glass fibre glass fibre being made suspension, the concentrated sulfuric acid adding appropriate concentration to be 98wt%, regulation pH is 3.5, and the formation suspension that stirs is stand-by；Bleaching needle-point leaf pulp is put into hydrabrusher size degradation, then through beater stirring, control beating degree at 40-45 ° of SR, then mixes with above-mentioned glass suspension, adds PAMA, continues stirring, form uniform pulp suspension；
(2) by the distilled water adding 10-12 times amount in nano titanium oxide, stirring is to being completely dispersed, heating water bath, to 60-65 DEG C, is slowly added to the ferroferric oxide gel solution that solid content is 30%, after being added dropwise to complete, with the speed stirring 120-150 minute of 350-400 rev/min, it is then centrifuged for separating, use distilled water, absolute ethanol washing 2 times respectively, be finally putting in vacuum drying chamber with 70-80 DEG C of drying, take out after cooling, grind and prepare magnetic powder；
(3) by broken for dolomite rear abrasive dust, cross 200 mesh sieves to mix with cellulosic micropowder, it is then immersed in the sodium hydroxide solution of 4mol/L, with the speed stirring reaction 2-2.5 hour of 300-400 rev/min, crossing leaching filter cake, by distilled water cyclic washing post-drying, kneading granulation in kneader is put on the surface spraying powder after the drying after mixing dimethicone, laurate organotin, then particle is pulverized, cross 300 mesh sieves；
(4) pulp suspension obtaining step (1) mixes with the magnetic powder that step (2) obtains, add remaining residual components in addition to the fluoro-silicone emulsion of solid content 40wt%, it is heated to 50-60 DEG C, be stirring evenly and then adding into appropriate distilled water size mixing to solid content be 2-3%, again shaped for the slurry mixing up net is shaped, under the vacuum condition of 0.06-0.08Mpa, suction dehydration is carried out to the l Water Paper after shaping；
(5) fluoro-silicone emulsion of solid content 40wt% is mixed with the product that step (3) obtains, the distilled water adding total amount 2-3 times amount is diluted obtaining maceration extract, the l Water Paper that step (4) obtains is passed through dipping tank with the speed of 3-3.5m/s, make maceration extract be uniformly coated on l Water Paper, be then placed in the temperature drying with 150-160 DEG C in electric drying oven with forced convection.
The invention have the advantage that glass fibre is mixed with softwood pulp by the present invention by after acid modification, the intensity of reinforcing glass fiber while keeping glass fibre to be uniformly dispersed good, reduce the fragility of glass fibre, take into account intensity index and the strainability of product, there is good high temperature resistant, corrosion resistance simultaneously；The present invention also with the addition of the modified ferroso-ferric oxide of nanometer titanium dioxide-coated in preparation, not only possesses good magnetic, make the filter paper can the mechanical admixture such as metal filings that preferably adsorption filtration is fallen in hydraulic system, and improve the whiteness of magnetic powder, it is more suitable for being added in the preparation of filter paper；Finally with fluoro-silicone emulsion, raw paper of filter paper is impregnated, after dipping, latex particle is dispersed in fiber page hole and fiber surface, after drying film forming, can be evenly coated on fiber surface and intertwined point, and unplugged fiber holes gap, make filter paper remain in that abundant space, there is excellent oil-water separation, improve the performances such as the deflection of filter paper, bursting strength, tensile strength simultaneously.
The present invention by cellulosic micropowder, dolomite dust alkali soak after with in the modified preparations adding filter paper to such as dimethicone, modified powder possesses small internal void, organically combine with fluoro-silicone emulsion, its surface can be uniformly dispersed in, can improve adsorption filtration efficiency, the filter paper made is solid tough, not cracky, service life is long, extends replacing construction.
Detailed description of the invention
A kind of cellulose improves the hydraulic oil filter core filter paper of filter efficiency, it is made up of the raw material of following weight portion (kilogram): 3-5 millimeter superfine E-glass fibre glass fibre 50, bleaching needle-point leaf pulp 55, distilled water is appropriate, PAMA 0.8, concentration is that the concentrated sulfuric acid of 98wt% is appropriate, nano titanium oxide 10, solid content is the ferroferric oxide gel solution 20 of 30%, absolute ethyl alcohol is appropriate, the fluoro-silicone emulsion 60 of solid content 40wt%, cellulosic micropowder 6, the sodium hydroxide solution 8 of 4mol/L, dimethicone 1.5, laurate organotin 0.4, dolomite 3, sodium alginate 0.9.
Described a kind of cellulose improves the hydraulic oil filter core filter paper of filter efficiency, is made up of step in detail below:
(1) 8 appropriate distilled water will be added in 3-5 millimeter superfine E-glass fibre glass fibre to make suspension, the concentrated sulfuric acid adding appropriate concentration to be 98wt%, regulation pH is 3.5, and the formation suspension that stirs is stand-by；Bleaching needle-point leaf pulp is put into hydrabrusher size degradation, then through beater stirring, control beating degree at 40 ° of SR, then mixes with above-mentioned glass suspension, adds PAMA, continues stirring, form uniform pulp suspension；
(2) by the distilled water adding 10 times amount in nano titanium oxide, stirring is to being completely dispersed, heating water bath, to 60 DEG C, is slowly added to the ferroferric oxide gel solution that solid content is 30%, after being added dropwise to complete, stir 120 minutes with the speed of 350 revs/min, it is then centrifuged for separating, use distilled water, absolute ethanol washing 2 times respectively, be finally putting in vacuum drying chamber with 70 DEG C of dryings, take out after cooling, grind and prepare magnetic powder；
(3) by broken for dolomite rear abrasive dust, cross 200 mesh sieves to mix with cellulosic micropowder, it is then immersed in the sodium hydroxide solution of 4mol/L, speed stirring with 300 revs/min is reacted 2 hours, crossing leaching filter cake, by distilled water cyclic washing post-drying, kneading granulation in kneader is put on the surface spraying powder after the drying after mixing dimethicone, laurate organotin, then particle is pulverized, cross 300 mesh sieves；
(4) pulp suspension obtaining step (1) mixes with the magnetic powder that step (2) obtains, add remaining residual components in addition to the fluoro-silicone emulsion of solid content 40wt%, it is heated to 50 DEG C, be stirring evenly and then adding into appropriate distilled water size mixing to solid content be 2%, again shaped for the slurry mixing up net is shaped, under the vacuum condition of 0.06Mpa, suction dehydration is carried out to the l Water Paper after shaping；
(5) fluoro-silicone emulsion of solid content 40wt% is mixed with the product that step (3) obtains, the distilled water adding total amount 2 times amount is diluted obtaining maceration extract, the l Water Paper that step (4) obtains is passed through dipping tank with the speed of 3m/s, make maceration extract be uniformly coated on l Water Paper, be then placed in the temperature drying with 150 DEG C in electric drying oven with forced convection.
After testing, the air permeability of the filter paper that the present invention prepares is 39.5s 100mL-1
, tensile index is 23.2 N m g-1, burst index is 2.05kPa m2•g-1。
Claims (2)
1. the hydraulic oil filter core filter paper of a cellulose raising filter efficiency, it is characterized in that, it is made up of the raw material of following weight portion: 3-5 millimeter superfine E-glass fibre glass fibre 50-55, bleaching needle-point leaf pulp 55-60, distilled water is appropriate, PAMA 0.8-1, concentration is that the concentrated sulfuric acid of 98wt% is appropriate, nano titanium oxide 10-12, solid content is the ferroferric oxide gel solution 20-25 of 30%, absolute ethyl alcohol is appropriate, the fluoro-silicone emulsion 60-65 of solid content 40wt%, cellulosic micropowder 6-7, the sodium hydroxide solution 8-9 of 4mol/L, dimethicone 1.5-2, laurate organotin 0.4-0.45, dolomite 3-4, sodium alginate 0.9-1.1.
2. a kind of cellulose improves the hydraulic oil filter core filter paper of filter efficiency according to claim 1, it is characterised in that be made up of step in detail below:
(1) distilled water adding 8-10 appropriate in 3-5 millimeter superfine E-glass fibre glass fibre being made suspension, the concentrated sulfuric acid adding appropriate concentration to be 98wt%, regulation pH is 3.5, and the formation suspension that stirs is stand-by；Bleaching needle-point leaf pulp is put into hydrabrusher size degradation, then through beater stirring, control beating degree at 40-45 ° of SR, then mixes with above-mentioned glass suspension, adds PAMA, continues stirring, form uniform pulp suspension；
(2) by the distilled water adding 10-12 times amount in nano titanium oxide, stirring is to being completely dispersed, heating water bath, to 60-65 DEG C, is slowly added to the ferroferric oxide gel solution that solid content is 30%, after being added dropwise to complete, with the speed stirring 120-150 minute of 350-400 rev/min, it is then centrifuged for separating, use distilled water, absolute ethanol washing 2 times respectively, be finally putting in vacuum drying chamber with 70-80 DEG C of drying, take out after cooling, grind and prepare magnetic powder；
(3) by broken for dolomite rear abrasive dust, cross 200 mesh sieves to mix with cellulosic micropowder, it is then immersed in the sodium hydroxide solution of 4mol/L, with the speed stirring reaction 2-2.5 hour of 300-400 rev/min, crossing leaching filter cake, by distilled water cyclic washing post-drying, kneading granulation in kneader is put on the surface spraying powder after the drying after mixing dimethicone, laurate organotin, then particle is pulverized, cross 300 mesh sieves；
(4) pulp suspension obtaining step (1) mixes with the magnetic powder that step (2) obtains, add remaining residual components in addition to the fluoro-silicone emulsion of solid content 40wt%, it is heated to 50-60 DEG C, be stirring evenly and then adding into appropriate distilled water size mixing to solid content be 2-3%, again shaped for the slurry mixing up net is shaped, under the vacuum condition of 0.06-0.08Mpa, suction dehydration is carried out to the l Water Paper after shaping；
(5) fluoro-silicone emulsion of solid content 40wt% is mixed with the product that step (3) obtains, the distilled water adding total amount 2-3 times amount is diluted obtaining maceration extract, the l Water Paper that step (4) obtains is passed through dipping tank with the speed of 3-3.5m/s, make maceration extract be uniformly coated on l Water Paper, be then placed in the temperature drying with 150-160 DEG C in electric drying oven with forced convection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062270.4A CN105986508A (en) | 2016-01-29 | 2016-01-29 | Cellulose filter paper capable of increasing filter efficiency and used for hydraulic oil filter element |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610062270.4A CN105986508A (en) | 2016-01-29 | 2016-01-29 | Cellulose filter paper capable of increasing filter efficiency and used for hydraulic oil filter element |
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| CN105986508A true CN105986508A (en) | 2016-10-05 |
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| CN201610062270.4A Pending CN105986508A (en) | 2016-01-29 | 2016-01-29 | Cellulose filter paper capable of increasing filter efficiency and used for hydraulic oil filter element |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115772817A (en) * | 2022-12-16 | 2023-03-10 | 浙江海光特种材料有限公司 | Oil content filter paper and production process thereof |
| CN116062720A (en) * | 2022-12-27 | 2023-05-05 | 宿州伊维特新材料有限公司 | Preparation method of ultrapure nitrous oxide |
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| CN102877368A (en) * | 2012-09-20 | 2013-01-16 | 蚌埠凤凰滤清器有限责任公司 | High temperature resistant flame retardant filter paper used for diesel filter and preparation method thereof |
| CN103334345A (en) * | 2013-05-31 | 2013-10-02 | 蚌埠首创滤清器有限公司 | High-adsorptivity filter paper and preparation method thereof |
| CN104987466A (en) * | 2015-07-06 | 2015-10-21 | 安徽成方新材料科技有限公司 | Polymer absorbent with enhanced polydimethylsiloxane modified cellulose and preparation method thereof |
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2016
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| CN101172206A (en) * | 2006-11-01 | 2008-05-07 | 王金夫 | oil filter paper |
| CN102877368A (en) * | 2012-09-20 | 2013-01-16 | 蚌埠凤凰滤清器有限责任公司 | High temperature resistant flame retardant filter paper used for diesel filter and preparation method thereof |
| CN103334345A (en) * | 2013-05-31 | 2013-10-02 | 蚌埠首创滤清器有限公司 | High-adsorptivity filter paper and preparation method thereof |
| CN104987466A (en) * | 2015-07-06 | 2015-10-21 | 安徽成方新材料科技有限公司 | Polymer absorbent with enhanced polydimethylsiloxane modified cellulose and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115772817A (en) * | 2022-12-16 | 2023-03-10 | 浙江海光特种材料有限公司 | Oil content filter paper and production process thereof |
| CN116062720A (en) * | 2022-12-27 | 2023-05-05 | 宿州伊维特新材料有限公司 | Preparation method of ultrapure nitrous oxide |
| CN116062720B (en) * | 2022-12-27 | 2023-10-27 | 宿州伊维特新材料有限公司 | Preparation method of ultrapure nitrous oxide |
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