CN102767113A - Production process of greaseproof paper - Google Patents
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- CN102767113A CN102767113A CN2012102723133A CN201210272313A CN102767113A CN 102767113 A CN102767113 A CN 102767113A CN 2012102723133 A CN2012102723133 A CN 2012102723133A CN 201210272313 A CN201210272313 A CN 201210272313A CN 102767113 A CN102767113 A CN 102767113A
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Abstract
The invention discloses a production process of greaseproof paper. The production process includes: taking a needle pulp board and a nonfluorescent bamboo pulp board, pulping, preparing pulp, slushing, applying glue, papermaking on a screen, pressing, pre-drying, surface-gluing, post-drying, press-polishing, controlling quality, coiling, and packing to obtain the finished paper, wherein weight percent of the needle pulp board and the nonfluorescent bamboo pulp board is 30+/-5% and 70+/-5%, preferred ratio of the needle pulp board to the nonfluorescent bamboo pulp board is 30%:70%, speed of papermaking on the screen is 90m/min, mass concentration of the screen is 0.45-0.55%, preferred pulping grinding teeth are 2.2mm in width, 1.9mm in teeth channel width, and 3.6mm in teeth depth, preferred press polishing machine is a four-roller soft press polishing machine with double pressing areas, preferred raw material is food grade, and preferred pipeline is made of 304L type stainless steel. By the production process, potential safety hazard due to larger amount of oil-proofing agent used in the greaseproof paper in traditional production process is avoided, and amount of the oil-proofing agent used in the greaseproof paper is reduced greatly. The greaseproof paper produced by the process has fine gloss, tightness, and oil resistance, and reaches food grade.
Description
Technical field
The present invention relates to a kind of production technology of greaseproof paper.
Background technology
On greaseproof paper is commonly used in making food and packs; How existing greaseproof paper manufacturing adopts the interpolation oil-proofing agent to reach grease proofing effect fully; And mostly the raw material of its use is nonfood grade; As using in 200780033946.6,200410071449.3 fluoropolymer that paper product is coated with or applying glue is handled to reach grease proofing effect, 201120285336.9,200820162733.5 grease proofing through coating silicone oil.Therefore, the greaseproof paper of production is difficult to reach food and uses standard, comes hidden danger for the food safety belt.
Summary of the invention
The production technology that the purpose of this invention is to provide a kind of greaseproof paper, it has overcome the potential safety hazard that a large amount of use oil-proofing agents possibly bring, the security that has improved greaseproof paper in greaseproof paper.
The production technology of this greaseproof paper, comprise making beating successively, join slurry, towards slurry and applying glue, online manufacture paper with pulp, squeezing, preceding drying, table glue, back drying, press polish, Quality Control, baling operation.Making beating raw material employing mass percent is respectively 30 ± 5% and 70 ± 5% cloth pin pulpboard and no fluorescence bamboo pulp pulpboard, and the bamboo pulp of high mixture ratio makes that the greaseproof paper performance is good in the raw material.Double plate grinds into abrasive disc model 4 types in the making beating step, and promptly the abrasive disc roll flute is arranged the facewidth 2.2 ± 0.2mm, the wide 1.9 ± 0.2mm of roller seating space, tooth depth 3.6 ± 0.2mm for the S type
,Carry out once to kowtow and separate, half shiny beating, conditions of beating are beating degree: 76 ~ 78
oSR, weight in wet base: 4.0 ~ 4.5g, concentration: 4.0 ~ 4.5%.This abrasive disc has lower making beating intensity, can increase the uniformity of fiber treatment with its making beating, improves fiber brooming effect, cooperates this beating method can improve the close property and the deflection of paper, increases its grease proofing power.Dash in the slurry step and add alkyl ketene dimer AKD, alkyl ketene dimer AKD is a neutral sizing agent, can overcome with acid accumulator size to copy the drawback that paper is brought, and can improve the intensity of paper, energy-saving and production-increase, and sizing efficiency is good.Use oxidized starch and oil-proofing agent in the table glue step.Appearance glue and oil-proofing agent are to reach good grease proofing effect in being used in combination.The online grenadine of manufacturing paper with pulp in the operation is copied fast 90m/min, paper pulp online mass concentration 0.45~0.55%.
Cloth pin pulpboard is 30% and 70% with no fluorescence bamboo pulp pulpboard mass percent.Not only oil preventing performance is good for greaseproof paper during this proportioning, and paper strength is good, durability is good.
The roll flute facewidth 2.2mm of abrasive disc, the wide 1.9mm of roller seating space, tooth depth 3.6mm.This abrasive disc making beating fiber brooming best results, good than the close property and the deflection of other beating method institute paper products, oil preventing performance is good.
This technology selects for use raw material to be food-grade, production technology selection for pipeline 304L type stainless steel, and the greaseproof paper that makes reaches the food-grade requirement, and its use is harmless.
Calender is the two nip soft press-polishing machines of four rollers, can effectively improve paper product positive and negative glossiness and tightness, has improved the oil preventing performance of paper product.
Join in the slurry step and add the wax emulsion, can reduce the hygroscopicity of paper, promote the even distribution of colloid in the paper fibre structure.
Broken in the baling operation after high-concentration pulper is smashed, is dropped into and joins stock tank and carry out reuse, and the slurry mass ratio of waste stuff and mixed paper is 90%:10%.
With online manufacture paper with pulp and squeezing process in plain boiled water reclaim be used for the making beating, join the slurry and towards slurry process.
The recovery utilization rate that is arranged so that broken and plain boiled water of broken recovery system and white water recycle system improves, not only environmental protection but also raising output.
This technology prevents that through improving physics such as wet end furnish, beating process, calendaring technology oil process is used in combination the method for adding oil-proofing agent and realizes grease proofing; Greatly reduce the use amount of oil-proofing agent; Cooperate food grade materials and stainless steel to produce pipeline; The greaseproof paper glossiness of its production, tightness, oil preventing performance are good, and can reach the requirement of food-grade.
The specific embodiment
Provide embodiment specifying the production technology of a kind of greaseproof paper of the present invention at present, specific as follows:
Raw materials used and equipment source:
Pulpboard: cloth pin pulpboard, no fluorescence bamboo pulp bamboo pulp pulpboard, Russian import, A level
Starch: the grand chemical industry in Jiangxi
Wax emulsion: Fujian good fortune and chemical industry
Antifoaming agent: Shanghai joins wins chemical industry
Alkyl ketene dimer AKD: sky, Jiangsu standing grain chemical industry Co., Ltd
Oil-proofing agent: Bayer A.G
Hydrabrusher: model ZDS-5, the South Sea, Fujian equipment Co., Ltd
Reserve pit: model 50m3 stainless steel, Wenzhou China prestige machinery Co., Ltd
Fluffer; Model XLJ21, Qingdao light industry and machinery Co., Ltd
Double plate mill: model ZDP13-550, Shanghai the second light industry bureau machinery Co., Ltd
Header box: model 0.2m3 stainless steel, Zhejiang Feng Yuan machinery
Desander: model HF250 stainless steel, Zhejiang Feng Yuan machinery
Paper machine: model 2860mm, the Central Asia, Henan papermaking equipment Co., Ltd
Calender: model 2860mm, Shandong Ming Yuan machinery Co., Ltd
QCS: model SYQCS3000, Zhejiang University's double base science and technology
Embodiment 1
A kind of production technology of greaseproof paper, it may further comprise the steps:
⑴ making beating:
1. mass percent is respectively 25% and 75% cloth pin pulpboard and puts into hydrabrusher with no fluorescence bamboo pulp pulpboard and add the water size degradation, controlling the pulp-water mass concentration is 4.0%, forwards reserve pit to;
2. pulp-water is pulled an oar with series connection double plate mill behind the size degradation, and open return valve and make the pulp-water circulation, abrasive disc model 4 types, the roll flute of abrasive disc is arranged facewidth 2.0mm, the wide 1.7mm of roller seating space, tooth depth 3.4mm for the S type
,Carry out once to kowtow and separate half shiny beating.Treat that pulp-water reaches beating degree: 76
oSR, weight in wet base: 4.0g, concentration: 4. it is transformed into machine chest at 0% o'clock;
⑵ join slurry: pulp-water changes over to from machine chest joins stock tank, operate as follows,
1. the wax emulsion is added with keg that the dilution of 10 times of volume clear water stirs after 90 order sieves add and join to walk in the stock tank even, wax emulsion consumption is a 5kg/ ton slurry;
2. with JF921 wood heat starch gelatinization after 90 order sieves be added to join stock tank walk even, control pH7.5, JF921 wood heat starch consumption is a 12.5kg/ ton slurry;
3. stock tank pulp-water mass concentration 2.8% is joined in control;
⑶ dash slurry and applying glue: pulp-water after destroy the forebay and flow out successively through too high dense header box-towards stock tank-desander-pressurized screen-low dense header box-slurry flowing machine; Desander: advance to starch pressure 0.3Mpa, pulp pressure 0.05MPa; Pressurized screen: advance to starch pressure 0.01MPa, operating pressure difference 0.01MPa; Head box: liquid level 160mm, crest of weir aperture 11mm, wherein:
1. antifoaming agent is added drop-wise in stock tank with measuring pump behind 90 order net filtrations after 20 times of dilutions, and addition is adjusted according to the foam situation;
2. alkyl ketene dimer AKD is added to the pressurized screen import with measuring pump behind 90 order net filtrations, control surface absorbability 18 g/m
2
⑷ online is manufactured paper with pulp: pulp-water flow to web part of paper machine and manufactures paper with pulp online mass concentration 0.45%, quantitatively 36.5g/m after dashing slurry
2, copy wide 1640 mm, network speed is 90m/min, 180 times/min of forming table shake frequency, forming table amplitude 8mm;
⑸ squeezing: vacuum is inhaled and is moved roller and l Water Paper is peeled off from the net groove be transferred to woollen blanket and send into press section and carry out press dewatering, the carrying roller operation then, transmission 0.30MPa then, the pressure roller operation then, transmission 0.30MPa then, the squeeze roll operation then, transmission 0.25MPa then;
⑹ dry before: page is sent into drying cylinder 1 successively by woollen blanket and carrying roller support
#, 2
#Carry out drying, drying cylinder 1
#Temperature is 68 ℃, and drying cylinder 2# temperature is 80 ℃;
⑺ show glue: with showing glue after oxidized starch and the oil-proofing agent modulation, the oxidized starch consumption is 50kg/ ton slurry, and the oil-proofing agent consumption is 3kg/ ton slurry, and table glue temperature is controlled at 50 ℃;
⑻ dry after: page is sent into drying cylinder 3 successively by woollen blanket and carrying roller support behind the table glue
#~ 8
#Carry out drying, drying cylinder 3# ~ 8# temperature is followed successively by 40 ℃, 45 ℃, 55 ℃, 60 ℃, 65 ℃, 70 ℃;
⑼ press polish: dried paper web carries out press polish with calender, the operation of this calender then with transmission then pressure be 0.25MPa;
⑽ Quality Control: page is carried out Quality Control with the QCS scanner;
⑾ baling: to page batch successively-rewinding cut-pack the warehouse-in operation.
Broken in the baling operation after high-concentration pulper is smashed, is dropped into and joins stock tank and carry out reuse, and the slurry mass ratio of waste stuff and mixed paper is 90%:10%.
With online manufacture paper with pulp and squeezing process in plain boiled water reclaim be used for the making beating, join the slurry and towards slurry process.
Embodiment 2
A kind of production technology of greaseproof paper, it may further comprise the steps:
⑴ making beating:
1. mass percent is respectively 30% and 70% cloth pin pulpboard and puts into hydrabrusher with no fluorescence bamboo pulp pulpboard and add the water size degradation, controlling the pulp-water mass concentration is 4.25%, forwards reserve pit to;
2. pulp-water is pulled an oar with series connection double plate mill behind the size degradation, and open return valve and make the pulp-water circulation, abrasive disc model 4 types, the roll flute of abrasive disc is arranged facewidth 2.2mm, the wide 1.9mm of roller seating space, tooth depth 3.6mm for the S type
,Carry out once to kowtow and separate half shiny beating.Treat that pulp-water reaches beating degree: 77
oSR, weight in wet base: 4.25g, concentration: 4. it is transformed into machine chest at 25% o'clock;
⑵ join slurry: pulp-water changes over to from machine chest joins stock tank, operate as follows,
1. the wax emulsion is added with keg that the dilution of 10 times of volume clear water stirs after 90 order sieves add and join to walk in the stock tank even, wax emulsion consumption is a 5kg/ ton slurry;
2. with JF921 wood heat starch gelatinization after 90 order sieves be added to join stock tank walk even, control pH8.0, JF921 wood heat starch consumption is a 12.5kg/ ton slurry;
3. stock tank pulp-water mass concentration 2.8 ~ 3.0% is joined in control;
⑶ dash slurry and applying glue: pulp-water after destroy the forebay and flow out successively through too high dense header box-towards stock tank-desander-pressurized screen-low dense header box-slurry flowing machine; Desander: advance to starch pressure 0.35Mpa, pulp pressure 0.10MPa; Pressurized screen: advance to starch pressure 0.10MPa, operating pressure difference 0.10MPa; Head box: liquid level 160mm, crest of weir aperture 11mm, wherein:
1. antifoaming agent is added drop-wise in stock tank with measuring pump behind 90 order net filtrations after 20 times of dilutions, and addition is adjusted according to the foam situation;
2. alkyl ketene dimer AKD is added to the pressurized screen import with measuring pump behind 90 order net filtrations, control surface absorbability 20.5 g/m
2
⑷ online is manufactured paper with pulp: pulp-water flow to web part of paper machine and manufactures paper with pulp online mass concentration 0.50%, quantitatively 38g/m after dashing slurry
2, copy wide 1640 mm, network speed is 90m/min, 190 times/min of forming table shake frequency, forming table amplitude 8.5mm;
⑸ squeezing: vacuum is inhaled and is moved roller and l Water Paper is peeled off from the net groove be transferred to woollen blanket and send into press section and carry out press dewatering, the carrying roller operation then, transmission 0.30MPa then, the pressure roller operation then, transmission 0.30MPa then, the squeeze roll operation then, transmission 0.25MPa then;
⑹ dry before: page is sent into drying cylinder 1 successively by woollen blanket and carrying roller support
#, 2
#Carry out drying, drying cylinder 1
#Temperature is 70 ℃, and drying cylinder 2# temperature is 82.5 ℃;
⑺ show glue: with showing glue after oxidized starch and the oil-proofing agent modulation, the oxidized starch consumption is 50kg/ ton slurry, and the oil-proofing agent consumption is 3kg/ ton slurry, and table glue temperature is controlled at 52.5 ℃;
⑻ dry after: page is sent into drying cylinder 3 successively by woollen blanket and carrying roller support behind the table glue
#~ 8
#Carry out drying, drying cylinder 3# ~ 8# temperature is followed successively by 42.5 ℃, 47.5 ℃, 57.5 ℃, 62.5 ℃, 67.5 ℃, 72.5 ℃;
⑼ press polish: dried paper web carries out press polish with the two nip soft press-polishing machines of four rollers, the operation of this calender then with transmission then pressure be 0.25MPa;
⑽ Quality Control: page is carried out Quality Control with the QCS scanner;
⑾ baling: to page batch successively-rewinding cut-pack the warehouse-in operation.
Broken in the baling operation after high-concentration pulper is smashed, is dropped into and joins stock tank and carry out reuse, and the slurry mass ratio of waste stuff and mixed paper is 90%:10%.
With online manufacture paper with pulp and squeezing process in plain boiled water reclaim be used for the making beating, join the slurry and towards slurry process.
This technology selects for use raw material to be food-grade, production technology selection for pipeline 304L type stainless steel.
Embodiment 3
A kind of production technology of greaseproof paper, it may further comprise the steps:
⑴ making beating:
1. mass percent is respectively 35% and 75% cloth pin pulpboard and puts into hydrabrusher with no fluorescence bamboo pulp pulpboard and add the water size degradation, controlling the pulp-water mass concentration is 4.5%, forwards reserve pit to;
2. pulp-water is pulled an oar with series connection double plate mill behind the size degradation, and open return valve and make the pulp-water circulation, abrasive disc model 4 types, the roll flute of abrasive disc is arranged facewidth 2.4mm, the wide 2.1mm of roller seating space, tooth depth 3.8mm for the S type
,Carry out once to kowtow and separate half shiny beating.Treat that pulp-water reaches beating degree: 78
oSR, weight in wet base: 4.5g, concentration: it is transformed into machine chest at 4.5% o'clock;
⑵ join slurry: pulp-water changes over to from machine chest joins stock tank, operate as follows,
1. the wax emulsion is added with keg that the dilution of 10 times of volume clear water stirs after 90 order sieves add and join to walk in the stock tank even, wax emulsion consumption is a 5kg/ ton slurry;
2. with JF921 wood heat starch gelatinization after 90 order sieves be added to join stock tank walk even, control pH7.5 ~ 8.5, JF921 wood heat starch consumption is a 12.5kg/ ton slurry;
3. stock tank pulp-water mass concentration 3.0% is joined in control;
⑶ dash slurry and applying glue: pulp-water after destroy the forebay and flow out successively through too high dense header box-towards stock tank-desander-pressurized screen-low dense header box-slurry flowing machine; Desander: advance to starch pressure 0.4Mpa, pulp pressure 0.15MPa; Pressurized screen: advance to starch pressure 0.15MPa, operating pressure difference .03MPa; Head box: liquid level 160mm, crest of weir aperture 11mm, wherein:
1. antifoaming agent is added drop-wise in stock tank with measuring pump behind 90 order net filtrations after 20 times of dilutions, and addition is adjusted according to the foam situation;
2. alkyl ketene dimer AKD is added to the pressurized screen import with measuring pump behind 90 order net filtrations, control surface absorbability 23 g/m
2
⑷ online is manufactured paper with pulp: pulp-water flow to web part of paper machine and manufactures paper with pulp online mass concentration 0.55%, quantitatively 39.5g/m after dashing slurry
2, copy wide 1640 mm, network speed is 90m/min, 200 times/min of forming table shake frequency, forming table amplitude 9mm;
⑸ squeezing: vacuum is inhaled and is moved roller and l Water Paper is peeled off from the net groove be transferred to woollen blanket and send into press section and carry out press dewatering, the carrying roller operation then, transmission 0.30MPa then, the pressure roller operation then, transmission 0.30MPa then, the squeeze roll operation then, transmission 0.25MPa then;
⑹ dry before: page is sent into drying cylinder 1 successively by woollen blanket and carrying roller support
#, 2
#Carry out drying, drying cylinder 1
#Temperature is 72 ℃, and drying cylinder 2# temperature is 85 ℃;
⑺ show glue: with showing glue after oxidized starch and the oil-proofing agent modulation, the oxidized starch consumption is 50kg/ ton slurry, and the oil-proofing agent consumption is 3kg/ ton slurry, and table glue temperature is controlled at 55 ℃;
⑻ dry after: page is sent into drying cylinder 3 successively by woollen blanket and carrying roller support behind the table glue
#~ 8
#Carry out drying, drying cylinder 3# ~ 8# temperature is followed successively by 45 ℃, 50 ℃, 60 ℃, 65 ℃, 70 ℃, 75 ℃;
⑼ press polish: dried paper web carries out press polish with calender, the operation of this calender then with transmission then pressure be 0.25MPa;
⑽ Quality Control: page is carried out Quality Control with the QCS scanner;
⑾ baling: to page batch successively-rewinding cut-pack the warehouse-in operation.
Broken in the baling operation after high-concentration pulper is smashed, is dropped into and joins stock tank and carry out reuse, and the slurry mass ratio of waste stuff and mixed paper is 90%:10%.
With online manufacture paper with pulp and squeezing process in plain boiled water reclaim be used for the making beating, join the slurry and towards slurry process.
The concrete quality index of the made greaseproof paper of above-mentioned each embodiment of the present invention is following:
Claims (8)
1. the production technology of a greaseproof paper; Comprise making beating successively, join slurry, towards slurry and applying glue, online manufacture paper with pulp, squeezing, preceding drying, table glue, back drying, press polish, Quality Control, baling operation, it is characterized in that: the making beating raw material adopts mass percent to be respectively 30 ± 5% and 70 ± 5% cloth pin pulpboard and no fluorescence bamboo pulp pulpboard; Double plate grinds into abrasive disc model 4 types in the making beating step, and promptly the abrasive disc roll flute is arranged the facewidth 2.2 ± 0.2mm, the wide 1.9 ± 0.2mm of roller seating space, tooth depth 3.6 ± 0.2mm for the S type
,Carry out once to kowtow and separate, half shiny beating, conditions of beating are beating degree: 76 ~ 78
oSR, weight in wet base: 4.0 ~ 4.5g, concentration: 4.0 ~ 4.5%; Dash in the slurry step and add alkyl ketene dimer AKD; Use oxidized starch and oil-proofing agent in the table glue step; The online grenadine of manufacturing paper with pulp in the operation is copied fast 90m/min, paper pulp online mass concentration 0.45~0.55%.
2. the production technology of greaseproof paper according to claim 1 is characterized in that: cloth pin pulpboard is 30% and 70% with no fluorescence bamboo pulp pulpboard mass percent.
3. the production technology of greaseproof paper according to claim 1 is characterized in that: the roll flute facewidth 2.2mm of abrasive disc, the wide 1.9mm of roller seating space, tooth depth 3.6mm.
4. the production technology of greaseproof paper according to claim 1, it is characterized in that: this technology selects for use raw material to be food-grade, production technology selection for pipeline 304L type stainless steel.
5. the production technology of greaseproof paper according to claim 1 is characterized in that: calender is the two nip soft press-polishing machines of four rollers.
6. the production technology of greaseproof paper according to claim 1 is characterized in that: join in the slurry step and add the wax emulsion.
7. the production technology of greaseproof paper according to claim 1 is characterized in that: the broken in the baling operation after high-concentration pulper is smashed, is dropped into and joins stock tank and carry out reuse, and the slurry mass ratio of waste stuff and mixed paper is 90%:10%.
8. the production technology of greaseproof paper according to claim 1 is characterized in that: with online manufacture paper with pulp and squeezing process in plain boiled water reclaim and be used for making beating, join slurry and towards slurry process.
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CN103046430A (en) * | 2012-12-29 | 2013-04-17 | 福建省建宁县联丰造纸有限公司 | Production process of low weight ultra-thin tissue paper |
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CN106436475A (en) * | 2016-10-12 | 2017-02-22 | 福建希源纸业有限公司 | Food wrapping paper and production method thereof |
CN106868922A (en) * | 2017-02-14 | 2017-06-20 | 仙鹤股份有限公司 | A kind of production technology for bakeing body paper |
CN107201695A (en) * | 2017-07-28 | 2017-09-26 | 临朐玉龙造纸有限公司 | A kind of grease proofing food wrapper of antibacterial and preparation method thereof |
CN108035181A (en) * | 2017-12-11 | 2018-05-15 | 湖北黄鹤楼特色包装材料有限公司 | The production method of anti-essential oil infiltration cigarette tipping paper |
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CN105862506A (en) * | 2016-06-01 | 2016-08-17 | 万邦特种材料股份有限公司 | Oil-proof forming paper production process |
CN105887569A (en) * | 2016-06-01 | 2016-08-24 | 万邦特种材料股份有限公司 | Production technology of oil-proof high-penetration wrap paper |
CN106436475A (en) * | 2016-10-12 | 2017-02-22 | 福建希源纸业有限公司 | Food wrapping paper and production method thereof |
CN106868922B (en) * | 2017-02-14 | 2018-04-06 | 仙鹤股份有限公司 | A kind of production technology for bakeing body paper |
CN106868922A (en) * | 2017-02-14 | 2017-06-20 | 仙鹤股份有限公司 | A kind of production technology for bakeing body paper |
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Application publication date: 20121107 |