CN103850150A - Manufacturing process of industrial dust-free wipe paper - Google Patents
Manufacturing process of industrial dust-free wipe paper Download PDFInfo
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- CN103850150A CN103850150A CN201410117281.9A CN201410117281A CN103850150A CN 103850150 A CN103850150 A CN 103850150A CN 201410117281 A CN201410117281 A CN 201410117281A CN 103850150 A CN103850150 A CN 103850150A
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Abstract
The invention provides a manufacturing process of industrial dust-free wipe paper, which comprises the steps of wood pulp repulping, sand removal, beating, pulp mixing, screening and purifying, net moulding, centrifugal dehydration, squeezing dehydration, drying in a drying cylinder, scraper wrinkling, winding, rewinding and slitting and packaging to obtain the finished product, wherein in the step of wood pulp repulping, fibers are subjected to repulping in a weight ratio of long-fiber wood pulp with fiber length of 2.5-2.7 mm to short-fiber wood pulp with fiber length of 0.7-0.9 mm of (90-95):(10-5); in the pulp mixing, 10-12 kg of 25%-30% biopolymer is added to each ton of paper; before the net forming of the fiber after the pulp mixing, 50-70 kg of 20%-30% wet strength agent is added to each ton of paper. The process provided by the invention has the advantages of high wet tensile strength, small particle emission rate, small dust generation quantity and little ion precipitation.
Description
Technical field
The present invention relates to pulp technology for making paper, relate in particular to a kind of industrial paper manufacturing technique, specifically refer to a kind of industrial dustless wiping test paper manufacturing technique.
Background technology
As everyone knows, along with the lifting of socioeconomic development, commercial production levels and improving constantly of people's living standard, in industrial wipe examination field, traditional wiping examination cloth is progressively wiped trial product by papery and is replaced, and industrial wipe test paper has been widely used in clean, the wiping of common greasy dirt of the wiping of machinery and maintenance, transport tape and roller, the clean wiping of oil gear fluid seepage.
But the industrial wipe test paper wet tensile (strength) using is at present low, and particle emission rate is large, 852 populations/minute, powder amount is many, 757 populations/m
2, ion is separated out many, Na 0.83 μ g/g, K 0.24 μ g/g, Cl 0.53 μ g/g, NO
20.22 μ g/g, in the industry such as optics and electronics, for example, wiping in laboratory, research department, laboratory, dust free room, instrument manufacturing, semiconductor fab, computer assembling, food and the pharmaceutical industry of having relatively high expectations in operating environment, general industry is wiped test paper and is difficult to reach instructions for use, therefore need to use wet strength high, granule number and powder amount are few, and ion is separated out the dustless wiping test paper of few industry.The whole dependence on import of the dustless wiping test paper of current this industry, expensive, can not meet the need of market far away.
Summary of the invention
The technical problem to be solved in the present invention is for the existing weak point of prior art, provides a kind of wet tensile (strength) high, and particle emission rate is little, and powder amount is few, and ion is separated out the dustless wiping test paper of few industry manufacturing technique.
Technical solution of the present invention is, the industrial dust-free cleaning paper of following one paper technology is provided, comprises that wood pulp size degradation, desanding, making beating, with slurry, screening purifications, upper net forming, centrifugal dehydration, press dewatering, cylinder dried, scraper are wrinkling, batch with rewind slitting, pack and make finished product.
As preferably, the staple fibre wood pulp that the long fiber wood pulp that described wood pulp size degradation is is 2.5 ~ 2.7mm by fibre length and fibre length are 0.7 ~ 0.9mm is that 90 ~ 95:10 ~ 5 ratio is by fiber size degradation according to weight ratio.
As preferably, the described biopolymer that adds time with slurry.
As preferably, described in the biopolymerization substrate concentration that adds be 25 ~ 30%, a ton paper consumption is 10 ~ 12kg.
As preferably, it is 20 ~ 30% wet strength agent that the fiber after with slurry completing adds concentration before upper net forming, ton paper consumption 50 ~ 70kg.
As preferably, described making beating is the beating degree making beating with 32 ~ 40oSR through beater by fiber, finally beating consistency is controlled to 3.5 ~ 4.2%, makes paper pulp.
As preferably, described scraper is wrinkling is to adopt ceramic blade, and scraper angle is 85 °.
As preferably, described upper net forming is to be evenly ejected into moulding web forming through head box, and when moulding, jet velocity is 450 ~ 500m/min.
As preferably, utilize that wiping test paper prepared by this technique is quantitatively that 42 ~ 45g/m2, moisture are 7 ~ 9%, machine direction tensile strength be 20000 ~ 25000mN/15mm, cross direction tensile strength be 7000 ~ 10000 mN/15mm, longitudinal wet tensile strength be 6000 ~ 8000 mN/15mm, particle emission rate≤700 population/minute, powder amount≤600 population/m2, dirt count≤20/m2, absorbent properties>=400ml/m2, ion separate out and be respectively Na≤0.3 μ g/g, K≤0.05 μ g/g, Cl≤0.3 μ g/g, NO
2≤ 0.2 μ g/g.
Colour water suction lining paper manufacturing technique described in employing the technical program, reagent and equipment used in step are known equipment in existing paper, without special manufacture, have saved the fund of manufacturing new equipment.
In technique of the present invention, by controlling the beating degree 32 ~ 40oSR of wood pulp, improve the adhesion between fiber, do not affected again the absorbent properties of paper simultaneously.
In technique of the present invention, by adding biopolymer, increase the adhesion of fiber fines, played the effect that reduces particle emission rate and powder amount.
In technique of the present invention, by adding continuously wet strength agent in online forming part, use wet strength agent to have an effect with fiber well, played the effect that improves paper wet tensile (strength).
In technique of the present invention, by using ceramic blade wrinkling, reduced the destruction to fiber in Wrinkling, the effect that keeps wrinkling rear paper formation, has reduced paper powder amount.
Detailed description of the invention
For ease of explanation, below the industrial dustless wiping test paper manufacturing technique of one of the present invention is elaborated.
Embodiment 1:
A kind of industrial dust-free cleaning paper paper technology, comprises that wood pulp size degradation, desanding, making beating, with slurry, screening purifications, upper net forming, centrifugal dehydration, press dewatering, cylinder dried, scraper are wrinkling, batches with rewind slitting, packs and make finished product.Concrete steps are as follows:
Wood pulp size degradation: the proportionate relationship proportioning that the staple fibre wood pulp that the long fiber wood pulp that is first 2.5mm by fibre length and fibre length are 0.7mm is 90:10 according to weight proportion, then by hydrabrusher by fiber size degradation.
Desanding: fiber after size degradation is removed to impurity and tiny heavy particle through desander, and desander deslagging aperture is as the criterion to reach dirt count≤20/m2 standard.
Making beating: the fiber that desanding completes is the beating degree making beating with 32oSR through beater, finally beating consistency is controlled to 4.2%, makes paper pulp.Guarantee the stable of beater electric current, if electric current is too high, can cause page glue cylinder, seriously time, be not easy to scraper wrinkling; The too low meeting of electric current causes pulling force to decline.
With slurry: then paper pulp to be destroyed to forebay and carried out with slurry by being pumped to, and to use medicine pump to add continuously concentration be 25% biopolymer, this biopolymer is selected the biopolymer of VECTOR IC 27216 models of Luo Gaite (China) Fine Chemical Co., Ltd production, ton paper consumption 12kg, and be stirred to evenly.
Screening purifies: by the fiber process dilution completing with slurry, use wet strength agent that medicine pump is 25% by concentration join dilution well, in the fiber that purified, this wet strength agent is the wet strength agent of the WS4089 model of starlight fine chemistry industry (Zhangjiagang) Co., Ltd production, ton paper consumption 40kg, completes screening and purifies.
Upper net forming: be evenly ejected on forming web by head box, jet velocity 475m/min, forming web backing wire adopts individual layer braiding, the forming web of MICROTEX J76 model of producing for ALBANY company, forming web outer net adopts three layers of braiding, the forming web of MICROTEX Q500 model of producing for ALBANY company.
Go out part moisture through centrifugal dehydration afterwards, then use press dewatering and cylinder dried dehydration, control moisture 7.5%, described centrifugal dehydration, press dewatering and cylinder dried are common process.
Scraper is wrinkling: the ceramic blade that then adopts BTG Jiang Zhi scientific & technical corporation to produce carries out the wrinkling processing of scraper, and wherein the angle of scraper is that 85o arranges.
Batch finally by crossing, rewind slitting, packaging make finished product, batch, rewind slitting, packaging be common process.At rewind slitting and packaging process, note cleaning, will be by clean to equipment and environmental sanitation cleaning, in order to avoid increase powder amount and the particle emission rate of industrial dustless wiping test paper before producing.
A kind of industrial dustless wiping test paper manufacturing technique of the present invention, technological process is simple, and paper wet tensile (strength) is high, and particle emission rate is little, and powder amount is few, and ion is separated out few.Through the colored blotting paper of above-described embodiment manufacture is carried out to the inspection of the key technical indexes, assay is as follows:
As seen from the above table, the dustless wiping paper that utilizes the dust-free cleaning paper paper technology of preparation described in embodiment 1 to prepare, paper wet tensile (strength) is high, and particle emission rate is little, and than existing minimizing 21%, powder amount is few, and than existing reduction by 24%, ion is separated out few.
embodiment 2:
A kind of industrial dust-free cleaning paper paper technology, comprises that wood pulp size degradation, desanding, making beating, with slurry, screening purifications, upper net forming, centrifugal dehydration, press dewatering, cylinder dried, scraper are wrinkling, batches with rewind slitting, packs and make finished product.Concrete steps are as follows:
Wood pulp size degradation: the proportionate relationship proportioning that the staple fibre wood pulp that the long fiber wood pulp that is first 2.6mm by fibre length and fibre length are 0.8mm is 93:7 according to weight proportion, then by hydrabrusher by fiber size degradation.
Desanding: fiber after size degradation is removed to impurity and tiny heavy particle through desander, and desander deslagging aperture is as the criterion to reach dirt count≤20/m2 standard.
Making beating: the fiber that desanding completes is the beating degree making beating with 40oSR through beater, finally beating consistency is controlled to 3.5%, makes paper pulp.Guarantee the stable of beater electric current, if electric current is too high, can cause page glue cylinder, seriously time, be not easy to scraper wrinkling; The too low meeting of electric current causes pulling force to decline.
With slurry: then paper pulp to be destroyed to forebay and carried out with slurry by being pumped to, and to use medicine pump to add continuously concentration be 30% biopolymer, this biopolymer is selected the biopolymer of VECTOR IC 27216 models of Luo Gaite (China) Fine Chemical Co., Ltd production, ton paper consumption 10kg, and be stirred to evenly.
Screening purifies: by the fiber process dilution completing with slurry, use wet strength agent that medicine pump is 30% by concentration join dilution well, in the fiber that purified, this wet strength agent is the wet strength agent of the WS4089 model of starlight fine chemistry industry (Zhangjiagang) Co., Ltd production, ton paper consumption 60kg, completes screening and purifies.
Upper net forming: be evenly ejected on forming web by head box, jet velocity 500m/min, forming web backing wire adopts individual layer braiding, the forming web of MICROTEX J76 model of producing for ALBANY company, forming web outer net adopts three layers of braiding, the forming web of MICROTEX Q500 model of producing for ALBANY company.
Go out part moisture through centrifugal dehydration afterwards, then use press dewatering and cylinder dried dehydration, control moisture 9%, described centrifugal dehydration, press dewatering and cylinder dried are common process.
Scraper is wrinkling: the ceramic blade that then adopts BTG Jiang Zhi scientific & technical corporation to produce carries out the wrinkling processing of scraper, and wherein the angle of scraper is that 85o arranges.
Batch finally by crossing, rewind slitting, packaging make finished product, batches, rewind slitting, packaging make finished product finally by crossing, batch, rewind slitting, packaging be common process.At rewind slitting and packaging process, note cleaning, will be by clean to equipment and environmental sanitation cleaning, in order to avoid increase powder amount and the particle emission rate of industrial dustless wiping test paper before producing.
A kind of industrial dustless wiping test paper manufacturing technique of the present invention, technological process is simple, and paper wet tensile (strength) is high, and particle emission rate is little, and powder amount is few, and ion is separated out few.Through the colored blotting paper of above-described embodiment manufacture is carried out to the inspection of the key technical indexes, assay is as follows:
As seen from the above table, the dustless wiping paper that utilizes the dust-free cleaning paper paper technology of preparation described in embodiment 2 to prepare, paper wet tensile (strength) is high, and particle emission rate is little, and than existing minimizing 23%, powder amount is few, and than existing reduction by 30%, ion is separated out few.
Embodiment 3:
A kind of industrial dust-free cleaning paper paper technology, comprises that wood pulp size degradation, desanding, making beating, with slurry, screening purifications, upper net forming, centrifugal dehydration, press dewatering, cylinder dried, scraper are wrinkling, batches with rewind slitting, packs and make finished product.Concrete steps are as follows:
Wood pulp size degradation: the proportionate relationship proportioning that the staple fibre wood pulp that the long fiber wood pulp that is first 2.7mm by fibre length and fibre length are 0.9mm is 95:5 according to weight proportion, then by hydrabrusher by fiber size degradation.
Desanding: fiber after size degradation is removed to impurity and tiny heavy particle through desander, and desander deslagging aperture is as the criterion to reach dirt count≤20/m2 standard.
Making beating: the fiber completing is the beating degree making beating with 35oSR through beater, finally beating consistency is controlled to 4.0%, makes paper pulp.Guarantee the stable of beater electric current, if electric current is too high, can cause page glue cylinder, seriously time, be not easy to scraper wrinkling; The too low meeting of electric current causes pulling force to decline.
With slurry: paper pulp is destroyed to forebay and carried out with slurry by being pumped to, and to use medicine pump to add continuously concentration be 28% biopolymer, this biopolymer is selected the biopolymer of VECTOR IC 27216 models of Luo Gaite (China) Fine Chemical Co., Ltd production, ton paper consumption 11kg, and be stirred to evenly.
Screening purifies: by the fiber process dilution completing with slurry, use the wet strength agent that medicine pump is 28% by concentration to join in the fiber having diluted, this wet strength agent is the wet strength agent of the WS4089 model of starlight fine chemistry industry (Zhangjiagang) Co., Ltd production, and ton paper consumption 50kg, completes screening and purify.
Upper net forming: be evenly ejected on forming web by head box, jet velocity 450m/min, forming web backing wire adopts individual layer braiding, the forming web of MICROTEX J76 model of producing for ALBANY company, forming web outer net adopts three layers of braiding, the forming web of MICROTEX Q500 model of producing for ALBANY company.
Go out part moisture through centrifugal dehydration afterwards, then use press dewatering and cylinder dried dehydration, control moisture 8%, described centrifugal dehydration, press dewatering and cylinder dried are common process.
Scraper is wrinkling: the ceramic blade that then adopts BTG Jiang Zhi scientific & technical corporation to produce carries out the wrinkling processing of scraper, and wherein the angle of scraper is that 85o arranges.
Batch finally by crossing, rewind slitting, packaging make finished product, batch, rewind slitting, packaging be common process.At rewind slitting and packaging process, note cleaning, will be by clean to equipment and environmental sanitation cleaning, in order to avoid increase powder amount and the particle emission rate of industrial dustless wiping test paper before producing.
A kind of industrial dustless wiping test paper manufacturing technique of the present invention, technological process is simple, and paper wet tensile (strength) is high, and particle emission rate is little, and powder amount is few, and ion is separated out few.Through the colored blotting paper of above-described embodiment manufacture is carried out to the inspection of the key technical indexes, assay is as follows:
As seen from the above table, the dustless wiping paper that utilizes the dust-free cleaning paper paper technology of preparation described in embodiment 3 to prepare, paper wet tensile (strength) is high, and particle emission rate is little, and than existing minimizing 25%, powder amount is few, and than existing reduction by 32%, ion is separated out few.
In sum, according to the cleansing tissue that described in embodiment 1 ~ 3 prepared by industrial dustless wiping test paper manufacturing technique, wet tensile (strength) is high, particle emission rate is little, and powder amount is few, and ion is separated out few, the cleansing tissue that almost can replace import completely, meets most customer demands, reduces client's purchase cost.Through the cleansing tissue of preparation described in embodiment 1 ~ 3 is checked to discovery, the prepared cleansing tissue combination property of embodiment 3 is best, is a kind of technical scheme of optimum.
In the above-described embodiments, preferred forms of the present invention is described, obviously, under inventive concept of the present invention, still can make a lot of variations.At this, should illustrate, any change of making under inventive concept of the present invention all will fall within the scope of protection of the present invention.
Claims (10)
1. an industrial dust-free cleaning paper paper technology, is characterized in that: comprise that wood pulp size degradation, desanding, making beating, with slurry, screening purifications, upper net forming, centrifugal dehydration, press dewatering, cylinder dried, scraper are wrinkling, batch with rewind slitting, pack and make finished product.
2. industrial dust-free cleaning paper paper technology according to claim 1, is characterized in that: the staple fibre wood pulp that the long fiber wood pulp that described wood pulp size degradation is is 2.5 ~ 2.7mm by fibre length and fibre length are 0.7 ~ 0.9mm is that 90 ~ 95:10 ~ 5 ratio is by fiber size degradation according to weight ratio.
3. industrial dust-free cleaning paper paper technology according to claim 2, is characterized in that: the described biopolymer that adds time with slurry.
4. industrial dust-free cleaning paper paper technology according to claim 3, is characterized in that: described in the biopolymerization substrate concentration that adds be 25 ~ 30%, a ton paper consumption is 10 ~ 12kg.
5. industrial dust-free cleaning paper paper technology according to claim 4, is characterized in that: it is 20 ~ 30% wet strength agent that the fiber after with slurry completing adds concentration before upper net forming, ton paper consumption 50 ~ 70kg.
6. industrial dust-free cleaning paper paper technology according to claim 5, is characterized in that: described making beating is the beating degree making beating with 32 ~ 40oSR through beater by fiber, finally beating consistency is controlled to 3.5 ~ 4.2%, makes paper pulp.
7. industrial dust-free cleaning paper paper technology according to claim 6, is characterized in that: described scraper is wrinkling is to adopt ceramic blade, and scraper angle is 85 °.
8. industrial dust-free cleaning paper paper technology according to claim 7, is characterized in that: described upper net forming is to be evenly ejected into moulding web forming through head box, and when moulding, jet velocity is 450 ~ 500m/min.
9. industrial dust-free cleaning paper paper technology according to claim 8, is characterized in that: utilize that wiping test paper prepared by this technique is quantitatively that 42 ~ 45g/m2, moisture are 7 ~ 9%, machine direction tensile strength be 25000 ~ 30000mN/15mm, cross direction tensile strength be 8000 ~ 10000 mN/15mm, particle emission rate≤700 population/minute, powder amount≤600 population/m2, dirt count≤20/m2, absorbent properties >=400ml/m2.
10. industrial dust-free cleaning paper paper technology according to claim 9, is characterized in that: utilize wiping test paper ion prepared by this technique to separate out and be respectively Na≤0.3 μ g/g, K≤0.05 μ g/g, Cl≤0.3 μ g/g, NO2≤0.2 μ g/g.
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| CN201410117281.9A CN103850150A (en) | 2014-03-27 | 2014-03-27 | Manufacturing process of industrial dust-free wipe paper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320084A (en) * | 2016-08-26 | 2017-01-11 | 杭州景森科技有限公司 | Production technology of crinkled wiping paper |
| WO2021093093A1 (en) * | 2019-11-13 | 2021-05-20 | 衢州龙游双熊猫纸业有限公司 | Tissue paper or kitchen paper production method and paper preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106320084A (en) * | 2016-08-26 | 2017-01-11 | 杭州景森科技有限公司 | Production technology of crinkled wiping paper |
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| WO2021093093A1 (en) * | 2019-11-13 | 2021-05-20 | 衢州龙游双熊猫纸业有限公司 | Tissue paper or kitchen paper production method and paper preparation method thereof |
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Application publication date: 20140611 |