CN105887570A - 2000-2500 g/m<2> high-quantity oil filtering paper plate and production method thereof - Google Patents
2000-2500 g/m<2> high-quantity oil filtering paper plate and production method thereof Download PDFInfo
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- CN105887570A CN105887570A CN201410570746.6A CN201410570746A CN105887570A CN 105887570 A CN105887570 A CN 105887570A CN 201410570746 A CN201410570746 A CN 201410570746A CN 105887570 A CN105887570 A CN 105887570A
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Abstract
The invention provides a production method of a 2000-2500 g/m<2> high-quantity oil filtering paper plate. With wood pulp and chemical fibers as raw materials, the production method includes the steps of: repulping, beating, pulp blending, papermaking, press squeezing, drying and finishing. The use amount of the wood pulp is 70-90% and use amount of the cotton pulp is 10-30%. The preparation method includes the operations of: 1) repulping the wood pulp and the cotton pulp in a repulping machine respectively; 2) beating the wood pulp to the beating degree of 30-40 degrees SR and adding the cotton pulp, stirring and dispersing the mixed pulp, adding a wet strength agent, PAE, which accounts for 0.1-1.0% of the total weight of absolute dry pulp, a dry strength agent, MF, which accounts for 0.5-1.5% of the total weight of absolute dry pulp, and a softening and puffing agent which accounts for 0.1-1.0% of the total weight of absolute dry pulp, mixing and stirring the pulp uniformly, and performing papermaking with a sheet-making machine specially used for the oil filtering paper plate; and 3) press-squeezing, drying and finishing the paper plate to prepare the 2000-2500 g/m<2> quantitative product. The oil filtering paper plate has good permeability, high filtering efficiency and high filtering precision.
Description
Technical field
The present invention relates to pulping and paper-making field, be specifically related to a kind of 2000-2500g/m2High quantitatively oil filter board.
Background technology
Oil for electric power mainly includes that the fire-resistance oil three in steam turbine oil, transformer oil and EH system is big
Class.Generally there are four kinds of problems in this three classes oil: gas, water, solid impurity and acid number.Steam turbine oil often by
Water content is caused to exceed standard in seal leakage, additionally, solid impurity is brought into generation clay in oil by oil piping system
Shape material, makes oil absorb the various dust in air.Therefore, steam turbine does not arrives overhaul time or oil does not makes to it
With the life-span, tank bottoms just have accumulated a lot of greasy filth.Water and greasy filth all can have impact on the normal of oil and use and vapour
Turbine safe operation.Transformer oil exceeds standard because of water, total hydrocarbon or other gas, makes insulating properties and the parameter of oil
Degenerate, the reliability service of transformer can be affected.Fire resistant oil in EH system because of gas, water, solid impurity and
Acid number exceeds standard, and can affect the safe operation of system.
For eliminating the pollution to oil of gas, water, solid impurity and acid number, reconditioner should be used, in order to
Continuously or discontinuously oil is carried out contaminant filter, it is ensured that equipment runs well, improve production efficiency and prolongation sets
Standby service life.At present, most of oil purifier is by filter paper (plate), metal screen, sintered filter core
Well cuts is removed Deng filter element.
For oil filter paper (plate), oil by time the size of produced resistance and well cuts is gone
Except the height of efficiency, it is to determine its quality good or not or weigh whether it meets the key using requirement.This will
Seek the problem of contradiction between filter paper (plate) permeability and filter efficiency, filtering accuracy of properly settling.At present,
Filter paper (plate) used by reconditioner is quantitatively all at 1500g/m2Hereinafter, permeability still can, but filter effect
Rate and filtering accuracy are the highest.
Summary of the invention
For solving the problems referred to above, present invention aim at providing a kind of 2000-2500g/m2High quantitatively oil filter paper
The production method of plate, cardboard permeability is good, and filter efficiency and filtering accuracy are high, are oil for electric power purifiers
Special filtering material.Concrete technical scheme is:
Production process includes pulping, making beating, with slurry, copy paper, squeezes, is dried, arranges, wood pulp adapted amount
At 70-90%, cotton pulp adapted amount is passed through at 10-30%, wood pulp and cotton pulp pulping in pulper respectively, wood pulp
Making beating adds cotton pulp, dispersed with stirring to beating degree after 30-40 ° of SR, is subsequently adding wet strength agent PAE consumption phase
Being 0.1-1.0% for total oven dry stock weight, drying strengthening agent MF consumption relative to total oven dry stock weight is
0.5-1.5%, increasing soft swelling agent consumption relative to total oven dry stock weight is 0.1-1.0%, mixing and stirring,
Manufacture paper with pulp with the oil special handshcet former of filter board, then it is high the most oily to obtain finished product after squeezing, be dried, arranging
Filter board.
Described wood pulp be with the needlebush such as dragon spruce, masson pine for raw material by bleached chemical hot-mill method (BCTMP),
Mill pretreatment alkaline hydrogen peroxide method (PRC-APMP), the slurrying of alkaline hydrogen peroxide method (APMP)
Method prepares.
Described making beating is carried out in beater or disc mill, and fibre length controls at 1.60-1.90mm, beating degree
Controlling at 25-35 ° of SR, weight in wet base controls at 10.0-12.0g.
Described cotton pulp fiber beating degree controls at 15-20 ° of SR, and weight in wet base controls at 9.0-10.0g.
The soft swelling agent of described increasing uses Eastern Mountain, Tai'an auxiliary reagent factory LZ2 type to increase soft swelling agent.
Described expressing process is carried out in extruder, squeeze pressure 400-420kPa, and time 1-2min controls wet
Calliper is at 11-12mm.
Described dry run is carried out in an oven, oven temperature 105 DEG C, time 4-6h.
Described arrangement process include centre bore cut, trimming, edging.
Described oil filter board thickness be 9-11mm, porosity at 80-85%, average pore size in 9-10 μm,
Maximum diameter of hole is in 91-92 μm, and Air permenbility is at 7-8L/m2S, the foreign particle filter efficiency to particle diameter >=4 μm
At 95-96%.
The production method of the oily filter board that the present invention provides, utilizes wood pulp and cotton pulp for raw material, and wood-fibred is thick
And grow, cotton fiber is thin and bends, and the two is interlaced, improves filter effect；The use increasing soft swelling agent can
To improve porosity and the aperture of cardboard, reduce filtration resistance；Cardboard is made quantitative 2000-2500g/m2,
Thickness 9-11mm can strengthen filter effect, on the premise of ensureing permeability, improves filter efficiency and filtration
Precision.
Detailed description of the invention
In order to further appreciate that the present invention, below in conjunction with example, the preferred embodiment of the invention is described,
It is understood that these descriptions simply further illustrate the features and advantages of the present invention rather than to this
The restriction of bright claim.
Embodiment 1:
160kg masson pine BCTMP slurry and 40kg cotton pulp are respectively put into pulping in pulper, through size degradation
Slurry by pump for mortar transmission enter stock tank, masson pine BCTMP stock pump deliver to double plate mill defibrination to beating degree
30 ° of SR, now, fibre length 1.72mm, weight in wet base 11.3g, it is subsequently adding cotton pulp, 16 ° of SR of beating degree,
Weight in wet base 9.4g, stirs, and is sequentially added into each 1kg of PAE and MF, increases soft swelling agent 0.2kg, mixing
Uniformly.Then carrying out cardboard with oil filter board special copy paper device to manufacture paper with pulp, 420kPa squeezes 1min, baking oven
Be dried after 5h at 105 DEG C cut through centre bore, trimming, edging prepare the high quantitatively oil filter board of finished product.
The quantification of 2300g/m of gained oil filter paper plate2, thickness is 10mm, and porosity is 82%, average pore size
10.1m, maximum diameter of hole 91.2 μm, Air permenbility 8.53L/m2S, filters effect to the foreign particle of particle diameter >=4 μm
Rate is 95.4%.
Embodiment 2:
180kg dragon spruce BCTMP slurry and 20kg cotton pulp are respectively put into pulping in pulper, through size degradation
Slurry enters stock tank by pump for mortar transmission, and dragon spruce BCTMP slurry is pumped into beater again and pulls an oar to 35 ° of SR of beating degree,
Now, fibre length 1.64mm, weight in wet base 10.3g, it is subsequently adding cotton pulp, beating degree controls at 17 ° of SR, wet
Heavily control at 9.2g, stir, be sequentially added into PAE 0.6kg and MF 2kg, increase soft swelling agent 0.4kg,
Mix.Then carrying out cardboard with oil filter board special copy paper device to manufacture paper with pulp, 400kPa squeezes 1.5min,
Cut through centre bore after 105 DEG C of dry 4h of baking oven, trimming, edging prepare the high quantitatively oil filter board of finished product.
The quantification of 2400g/m of gained oil filter paper plate2, thickness is 9.8mm, and porosity is 76%, average pore size
9.2m, maximum diameter of hole 91.7 μm, Air permenbility 7.64L/m2S, filters effect to the foreign particle of particle diameter >=4 μm
Rate is 95.2%.
Above to a kind of 2000-2500g/m provided by the present invention2The production method of high quantitatively oil filter board is entered
Go and be discussed in detail.Principle and the embodiment of the present invention are set forth by specific case used herein,
The explanation of above example is only intended to help method and the core concept of the dissociation present invention.It is right to it should be pointed out that,
For those skilled in the art, on the premise of without departing from the principle of the invention, it is also possible to right
The present invention carries out some improvement and modification, and these improve and modify the protection model also falling into the claims in the present invention
In enclosing.
Claims (9)
1. one kind 2000～2500g/m2The production method of high quantitatively oil filter board, its feature
It is, comprises the following steps:
Production process includes pulping, making beating, with slurry, copy paper, squeezes, is dried, arranges, wood
Slurry adapted amount at 70-90%, cotton pulp adapted amount at 10-30%, wood pulp and cotton pulp respectively at pulping
Pulping in machine, wood pulp adds cotton pulp, stirring point after making beating to beating degree is at 30-40 ° of SR
Dissipating, being subsequently adding wet strength agent PAE consumption relative to total oven dry stock weight is 0.1-1.0%,
Drying strengthening agent MF consumption is 0.5-1.5% relative to total oven dry stock weight, increases soft swelling agent consumption
It is 0.1-1.0% relative to total oven dry stock weight, mixing and stirring, special with oil filter board
Manufacture paper with pulp with handshcet former, then after squeezing, be dried, arranging, obtain finished product the most oily high filter paper
Plate.
Production method the most according to claim 1, it is characterised in that described wood pulp is
With the needlebush such as dragon spruce, masson pine for raw material by bleached chemical hot-mill method (BCTMP) or
Mill pretreatment alkaline hydrogen peroxide method (PRC-APMP) or alkaline hydrogen peroxide method
(APMP) pulping process prepares.
Production method the most according to claim 1, it is characterised in that described making beating exists
Carrying out in beater or disc mill, average fiber length controls at 1.60-1.90mm, beating degree
Controlling at 25-35 ° of SR, weight in wet base controls at 10.0-12.0g.
4. described in, cotton pulp fiber beating degree controls at 15-20 ° of SR, and weight in wet base controls at 9.0-10.0g.
Production method the most according to claim 1, it is characterised in that described increasing is soft swollen
Agent uses Eastern Mountain, Tai'an auxiliary reagent factory LZ2 type to increase soft swelling agent.
Production method the most according to claim 1, it is characterised in that described squeezed
Journey is carried out in extruder, squeeze pressure 400-420kPa, time 1-2min, controls wet paperboard
Thickness is at 11-12mm.
Production method the most according to claim 1, it is characterised in that described dried
Journey is carried out in an oven, oven temperature 105 DEG C, time 4-6h.
Production method the most according to claim 1, it is characterised in that described arranged
Journey include centre bore cut, trimming, edging.
9. according to a kind of 2000-2500g/m described in aforementioned any claim2High quantitatively oil
The production method preparation-obtained product oil filter board of filter board, it is characterised in that become
Product calliper is at 9-11mm, and porosity is at 80-85%, and average pore size is in 9-10 μm,
Large aperture is in 91-92 μm, and Air permenbility is at 7-8L/m2S, the foreign particle to particle diameter >=4 μm
Filter efficiency is at 95-96%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570746.6A CN105887570B (en) | 2014-10-23 | 2014-10-23 | A kind of 2000-2500g/m2The quantitative oily filter board of height and its production method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570746.6A CN105887570B (en) | 2014-10-23 | 2014-10-23 | A kind of 2000-2500g/m2The quantitative oily filter board of height and its production method |
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| Publication Number | Publication Date |
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| CN105887570A true CN105887570A (en) | 2016-08-24 |
| CN105887570B CN105887570B (en) | 2018-06-26 |
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| CN201410570746.6A Active CN105887570B (en) | 2014-10-23 | 2014-10-23 | A kind of 2000-2500g/m2The quantitative oily filter board of height and its production method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114075801A (en) * | 2020-08-18 | 2022-02-22 | 杭州特种纸业有限公司 | Nanometer bypass filter paper and preparation method thereof |
Citations (6)
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|---|---|---|---|---|
| CN1053464A (en) * | 1991-01-23 | 1991-07-31 | 尹奎良 | The compound method of fine filter paper board raw material |
| CN1210026A (en) * | 1997-09-02 | 1999-03-10 | 杨卫东 | Special oil filtering paper board |
| CN1229871A (en) * | 1998-03-25 | 1999-09-29 | 杜兆云 | Raw material of industrial filter paper and prepn. method thereof |
| WO2007113219A1 (en) * | 2006-03-31 | 2007-10-11 | PTS (Papiertechnische Stiftung) München | Paper enriched with elemental carbon |
| CN101172206A (en) * | 2006-11-01 | 2008-05-07 | 王金夫 | Filter-oil paper |
| CN102733265A (en) * | 2012-05-21 | 2012-10-17 | 杭州科百特过滤器材有限公司 | Production method for high basis weight active carbon filtration board with gram weight of 1300-1800 g/m<2> |
-
2014
- 2014-10-23 CN CN201410570746.6A patent/CN105887570B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053464A (en) * | 1991-01-23 | 1991-07-31 | 尹奎良 | The compound method of fine filter paper board raw material |
| CN1210026A (en) * | 1997-09-02 | 1999-03-10 | 杨卫东 | Special oil filtering paper board |
| CN1229871A (en) * | 1998-03-25 | 1999-09-29 | 杜兆云 | Raw material of industrial filter paper and prepn. method thereof |
| WO2007113219A1 (en) * | 2006-03-31 | 2007-10-11 | PTS (Papiertechnische Stiftung) München | Paper enriched with elemental carbon |
| CN101172206A (en) * | 2006-11-01 | 2008-05-07 | 王金夫 | Filter-oil paper |
| CN102733265A (en) * | 2012-05-21 | 2012-10-17 | 杭州科百特过滤器材有限公司 | Production method for high basis weight active carbon filtration board with gram weight of 1300-1800 g/m<2> |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114075801A (en) * | 2020-08-18 | 2022-02-22 | 杭州特种纸业有限公司 | Nanometer bypass filter paper and preparation method thereof |
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| Publication number | Publication date |
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| CN105887570B (en) | 2018-06-26 |
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Address after: 100102 Zhongyang mansion, No. 4, Qiyang Road, Wangjing, Chaoyang District, Beijing Applicant after: China pulp and Paper Research Institute Co., Ltd. Address before: 100102 Zhongyang mansion, No. 4, Qiyang Road, Wangjing, Chaoyang District, Beijing Applicant before: China National Pulp & Paper Research Institute |
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