CN104389241B - Oil-proof paper sizing system and sizing method - Google Patents
Oil-proof paper sizing system and sizing method Download PDFInfo
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- CN104389241B CN104389241B CN201410657220.1A CN201410657220A CN104389241B CN 104389241 B CN104389241 B CN 104389241B CN 201410657220 A CN201410657220 A CN 201410657220A CN 104389241 B CN104389241 B CN 104389241B
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Abstract
The invention discloses an oil-proof paper sizing system. The oil-proof paper sizing system comprises a starch size liquid stewing device, an oil-proof agent adding device, a membrane transfer sizing device and a starch size liquid recovery device which are orderly connected with one another. The invention discloses an oil-proof paper sizing method which comprises the following steps: (1) stewing a surface sizing starch liquid; (2) adding an oil-proof agent; (3) sizing paper; and (4) recovering the starch size liquid. The oil-proof paper sizing system has the beneficial effects that a large batch of high-quality oil-proof paper can be produced continuously and stably by use of the membrane transfer sizing device, a fluorine polymer oil-proof agent and a hot air drying oven, the usage amount of the oil-proof agent is reduced, potential safety hazards possibly caused by the use of a large quantity of oil-proof agent in oil-proof paper production are prevented, and the problems of unstable oil-proof grade, large usage amount of the oil-proof agent, uneven coating, inconsistent oil-proof grade of an entire paper banner, and the like in the oil-proof paper production are solved.
Description
Technical field
The present invention relates to greaseproof production technical field is and in particular to a kind of greaseproof glue system and glue applying method.
Background technology
Because fund, manpower and experiment condition are limited, domestic do not have large-scale manufacturer come to produce in batches have anti-
The greaseproof of oiliness energy, the mode of import still taken by most domestic order.The defect that greaseproof produces at present essentially consists in
Glue-applying technique imperfection：1) traditional little paper machine produces and falls behind because of equipment, speed relatively low (in below 100m/min), and technique does not become
Ripe, the unstable situation of grease proofing grade often occurs.2) oil-proofing agent usage amount is big, and is much all added in stock mixing system,
Oil-proofing agent utilization rate is relatively low, after oil-proofing agent is dissolved in plain boiled water, serious to environment during plain boiled water runs off.3)
Even if adopting the grease proofing technique of paper for surface sizing, it is immersion type sizing applicator system, its shortcoming is that circulation glue does not have glue pressure
Power screening system, the long-time circulation of starch glue easily makes glue dirty, reduces the using effect of oil-proofing agent, causes oil-proofing agent
Consumption is big, and easily causes page groove mark and surface coating is uneven, the thickness of paper and quantitative go out to produce in sizing applicator
Unstable phenomenon, causes page grease resistance uneven it is impossible to grease proofing grade of On-line Control etc..4) conventional paper machines are after sizing applicator
Drying cylinder convection drying, because the temperature of dryer surface is inconsistent, starch glue and oil-proofing agent thus can be made infiltrative not
Same, lead to the inconsistent problem of the grease proofing grade of paper web.
Therefore, need a kind of greaseproof glue system and glue applying method in the market badly, to solve drawbacks described above.
Content of the invention
For solving greaseproof glue-applying technique imperfection in prior art, grease proofing effect is undesirable, does not still have a set of rational
The technological deficiency of glue system, the present invention designs a kind of greaseproof glue system and glue applying method, solves greaseproof and produces
During applying glue technical barrier, avoid simultaneously and use in a large number the safety that oil-proofing agent may bring in greaseproof produces hidden
Suffer from.
For achieving the above object, the technical solution used in the present invention is：
A kind of greaseproof glue system, boils device including the starch glue being sequentially connected with, oil-proofing agent adding apparatus, film turn
Move size applicator and starch glue retracting device, starch glue boils device and includes starch glue decocting tank and the storage of starch glue
Deposit tank, starch glue decocting tank is connected by glue solution pump with starch glue holding vessel；Oil-proofing agent adding set includes amylan
Liquid material feeding jar, starch glue material feeding jar is connected with dosing pump；Starch glue retracting device includes starch glue recycling can and pressure
Power is sieved, and starch glue recycling can is connected by reclaiming glue pump with pressurized screen；Wherein, starch glue recycling can and film transfer applying glue
Device is connected, and pressurized screen is connected with starch glue material feeding jar；Starch glue decocting tank, starch glue holding vessel and amylan
It is mounted on agitator on liquid recycling can.
Preferably, film transfer size applicator is film transfer sizing applicator.The auxiliary equipment of film transfer sizing applicator is by with rill
Rill gauge stick, excellent seat, seal blades, application roll pressurised airbag, rill gauge stick pressurised airbag, nozzle, sparge pipe and corresponding
Adjusting means and actuating device composition, can be by adjusting the rill width of rill gauge stick, applying glue roll gap pressure, rill meter
The pressure of length bar and application roll, gelatin concentration etc. are adjusting the coating weight of starch glue and oil-proofing agent.By film transfer sizing applicator
Rill gauge stick metering after, application roll formed thin layer starch glue thin film transfer on page, be coated batch
Produce, by adjusting the furrow width of the pressure, surface gum concentration and rill gauge stick of rill gauge stick, page kiss-coating amount is adjusted
Whole, so can reduce oil-proofing agent usage amount, so that speed is improved further, coating is uniform, accurate measurement.Because conventional size machine is applied
Glue technology glue has very thick bondline thickness, and because paper machine speed is too fast, increases the linear velocity of application roll outer wall, so
Glue can be produced in the splash of applying glue roller edge and whirl coating phenomenon, and the use of film transfer sizing applicator be to make glue after gauge stick
Formation thin film transfers on coating application roll makes glue be completely transferred to above page, this avoid as conventional size machine
Problems.And using film transfer sizing applicator be also not in during traditional immersion type applying glue because gelatin viscosity, concentration is high and produce
Raw roller edge whirl coating phenomenon, therefore can improve coating gelatin concentration, thus having saved the consumption of steam in glue preparation process.
Preferably, oil-proofing agent adding apparatus are connected with film transfer size applicator by screw pump.Starch glue is through enduring
After system, mix, in starch glue material feeding jar, the rill gauge stick meter being pumped to film transfer sizing applicator through screw rod together with oil-proofing agent
Amount.
Further, this greaseproof glue system also includes being connected to the drying cylinder of film transfer size applicator front end, and drying cylinder is extremely
It is one group less.Front dried is carried out to page by drying cylinder, web dryness is controlled to 95% about, page pair can be improved
The absorbent properties of starch glue.
Further, this greaseproof glue system also includes being connected to the hot air drier of film transfer size applicator rear end.
Hot air drier be used for predrying to the hot blast of page, be more beneficial for the infiltration in page of oil-proofing agent and starch glue and with fibre
Combination between dimension, reaches the purpose reducing glue and oil-proofing agent consumption further, also improves page when touching drying cylinder
Mass dryness fraction, decrease because the generation of the low viscous cylinder broken end causing of web dryness, improve paper machine operation performance.And adopt hot blast
Drying baker, it is to avoid glue that traditional contact drying leads to because surface temperature of drier is inconsistent and oil-proofing agent are in paper
The inconsistent problem of permeability, makes the view picture oil preventing performance uniformity of greaseproof, its produce the oil preventing performance of greaseproof and
Other indexs all reach the requirement of food stage, improve added value of product.
A kind of grease proofing process for sizing paper, comprises the following steps：
(1), the boiling of surface sizing starch glue：Air-dried Oxytarch and water are mixed according to 9% concentration, using steaming
The direct-fired mode of vapour carries out heating and boils, and temperature reaches and stops heating when more than 95 DEG C, and insulation ripening in more than 20 minutes is formed sediment
Arogel liquid；
(2), the addition of oil-proofing agent：After dropping to below 65 DEG C at a temperature of starch glue, add oil-proofing agent and stir all
Even；
(3), the applying glue of page：The mixed liquor of oil-proofing agent and starch glue is fabricated to homogeneous starch glue thin film,
Set, under pressure, starch glue thin film is uniformly applied to page surface；
(4), the recovery of starch glue：Carry out pressure screening to making remaining recovery glue in starch glue thin-film process
The removal of impurity.
Further, step (3) is further comprising the steps：
(a), front dried is carried out to page, web dryness is controlled to 95% about；
(b), make starch glue thin film, starch glue thin film is uniformly applied to the page table through front dried
Face；
C (), that the page being coated with oil-proofing agent and starch glue is carried out with hot blast is predrying, increase web dryness and grease proofing
The absorbability of agent.
Beneficial effects of the present invention are：This greaseproof glue system adopts new film transfer sizing applicator equipment and fluoropolymer
Oil-proofing agent and hot air drier, can produce high-quality greaseproof in enormous quantities by continuous-stable, decrease oil-proofing agent usage amount, prevent
The potential safety hazard that a large amount of use oil-proofing agents may bring in greaseproof production, solves during greaseproof produces grease proofing grade not
Stable, oil-proofing agent usage amount is big, is unevenly coated, the problems such as the grease proofing grade of view picture page banner is inconsistent.And add grease proofing
Employ hot air drier after agent applying glue and carry out that hot blast is predrying, improve page and enter the mass dryness fraction of drying section and the horizontal stroke of paper web
To absorbing concordance, improve paper machine operation performance.This grease proofing process for sizing paper includes front dried to page, page
Applying glue, starch glue boil, reclaim the pressure screening of glue glue, the flow process such as hot blast is predrying, improve oil-proofing agent utilization rate, and
And it is coated with uniform, accurate measurement, decrease splash and whirl coating phenomenon, the predrying flow process of hot blast is conducive to oil-proofing agent and starch glue
In the infiltration in page and the combination and fiber between, reach the purpose reducing glue and oil-proofing agent consumption further, also improve
The mass dryness fraction when touching drying cylinder for the page, decreases because the generation of the low viscous cylinder broken end causing of web dryness.
Brief description
Fig. 1 is the structure diagram of greaseproof glue system of the present invention；
Fig. 2 is the partial enlarged drawing at Figure 1A；
Fig. 3 is the flow chart of grease proofing process for sizing paper of the present invention.
In figure,
1st, starch glue boils device；11st, starch glue decocting tank；12nd, glue solution pump；13rd, starch glue holding vessel；14、
Agitator；2nd, oil-proofing agent adding apparatus；21st, starch glue material feeding jar；22nd, screw pump；23rd, dosing pump；3rd, film transfer applying glue dress
Put；31st, feed pipe；32nd, nozzle；33rd, application roll pressurised airbag；34th, rill gauge stick pressurised airbag；35th, seal blades；36、
Application roll；37th, rill gauge stick；38th, excellent seat；39th, adjusting means；4th, starch glue retracting device；41st, pressurized screen；42nd, reclaim
Glue pump；43rd, starch glue recycling can.
Specific embodiment
Below in conjunction with the accompanying drawings explanation is explained in detail to the structure of the present invention.
As shown in Figure 1-2, a kind of greaseproof glue system that the present invention provides, boils including the starch glue being sequentially connected with
Device 1, oil-proofing agent adding apparatus 2, film transfer size applicator 3 and starch glue retracting device 4, starch glue boils device bag
Include starch glue decocting tank 11 and starch glue holding vessel 13, starch glue decocting tank and starch glue holding vessel pass through glue solution pump
12 are connected；Oil-proofing agent adding set includes starch glue material feeding jar 21, and starch glue material feeding jar is connected with dosing pump 23；Form sediment
Arogel liquid retracting device includes starch glue recycling can 43 and pressurized screen 41, and starch glue recycling can and pressurized screen pass through to reclaim glue
Pump 42 is connected；Wherein, starch glue recycling can is connected with film transfer size applicator, pressurized screen and starch glue material feeding jar phase
Connect；It is mounted on agitator 14 on starch glue decocting tank, starch glue holding vessel and starch glue recycling can.Oil-proofing agent adds
Enter device to be connected with film transfer size applicator by screw pump 22.Film transfer size applicator is film transfer sizing applicator.This is grease proofing
Paper glue system also includes being connected to the drying cylinder 5 of film transfer size applicator front end, at least one group of drying cylinder.This greaseproof applying glue system
System also includes being connected to the hot air drier 6 of film transfer size applicator rear end.
A kind of greaseproof glue system that the present invention provides, after film transfer sizing applicator, is provided with hot air drier to page
Carry out hot blast predrying.With respect to prior art, the present invention utilizes film transfer sizing applicator and hot air drier, film transfer sizing applicator
Auxiliary equipment by the rill gauge stick 37 with rill, excellent seat 38, seal blades 35, application roll pressurised airbag 33, rill metering
Excellent pressurised airbag 34, nozzle 32, sparge pipe and corresponding adjusting means 39 and actuating device composition, can be by adjusting rill meter
The rill width of length bar, the pressure of applying glue roll gap pressure, rill gauge stick and application roll, gelatin concentration etc. are adjusting starch glue
And the coating weight of oil-proofing agent.
Starch glue, after boiling, is mixed in starch glue material feeding jar together with oil-proofing agent and is pumped to film through screw rod and turns
Move the rill gauge stick metering of sizing applicator, then page is transferred to by the starch glue thin film that application roll 36 forms thin layer
On, it is coated producing in batches, can be by adjusting the furrow width of the pressure, surface gum concentration and rill gauge stick of rill gauge stick
Page kiss-coating amount is adjusted, so can reduce oil-proofing agent usage amount, so that speed is improved further, coating is uniform, metering is accurate
Really.Because conventional size technology starch glue has very thick bondline thickness, and because paper machine speed is too fast, increase application roll
The linear velocity of outer wall, so can produce glue in the splash of applying glue roller edge and whirl coating phenomenon, if it is desired to just improving paper machine speed
The diameter that application roll must be increased, to reduce edge linear velocity, reduces expulsion events, and the use of film transfer sizing applicator is to make glue
Form thin film to transfer on coating application roll and make starch glue be completely transferred to above page after rill gauge stick, this
Sample avoids the problems as conventional size technique.And be also not in traditional immersion type using this film transfer glue system
Because of gelatin viscosity during applying glue, concentration is high and the application roll edge whirl coating phenomenon that produces, therefore can improve coating starch gelatin concentration,
Thus having saved the consumption of steam in starch glue preparation process.This greaseproof glue system does not have after page coats oil-proofing agent
Have and be dried using traditional drying cylinder direct contact type, but employ the predrying technology of hot blast, be so more beneficial for oil-proofing agent and
Starch glue in the infiltration in page and the combination and fiber between, reaches and reduces starch glue and oil-proofing agent consumption further
Purpose, also improves the mass dryness fraction when touching drying cylinder for the page, decreases sending out because of the low viscous cylinder broken end causing of web dryness
Raw, improve paper machine operation performance.And predrying using hot blast, it is to avoid traditional contact drying is due to surface temperature of drier
The inconsistent glue leading to and the inconsistent problem of permeability in paper for the oil-proofing agent, make the view picture oil preventing performance of greaseproof uniform
Unanimously, the oil preventing performance of greaseproof that it produces and other indexs all reach the requirement of food stage, improve home products and add
Value, is provided with effect guarantee for alleviating and filling up domestic grease proofing paper market.
A kind of grease proofing process for sizing paper that the present invention provides, comprises the following steps：
(1), the boiling of surface sizing starch glue：Air-dried Oxytarch and water are mixed according to 9% concentration, using steaming
The direct-fired mode of vapour carries out heating and boils, and temperature reaches and stops heating when more than 95 DEG C, and insulation ripening in more than 20 minutes is formed sediment
Arogel liquid；
(2), the addition of oil-proofing agent：After dropping to below 65 DEG C at a temperature of starch glue, add oil-proofing agent and stir all
Even；
(3), the applying glue of page：The mixed liquor of oil-proofing agent and starch glue is fabricated to homogeneous starch glue thin film,
Set, under pressure, starch glue thin film is uniformly applied to page surface；
(4), the recovery of starch glue：Carry out pressure screening to making remaining recovery glue in starch glue thin-film process
The removal of impurity.
A kind of grease proofing process for sizing paper that the present invention provides, step (3) is further comprising the steps：
(a), front dried is carried out to page, web dryness is controlled to 95% about；
(b), make starch glue thin film, starch glue thin film is uniformly applied to the page table through front dried
Face；
C (), that the page being coated with oil-proofing agent and starch glue is carried out with hot blast is predrying, increase web dryness and grease proofing
The absorbability of agent.
As shown in figure 3, the first embodiment of a kind of grease proofing process for sizing paper of present invention offer, can be carried by the present invention
For greaseproof glue system realize, specific implementation method is as follows：(1), the boiling of surface sizing starch glue：By air-dried oxidation
Starch and water, according to 9% concentration, are added to starch glue decocting tank, carry out heating and endure by the way of steam direct heating
System, stops heating when temperature reaches more than 95 DEG C, is incubated more than 20 minutes aging starches.Then by the starch glue of ripening by
Glue solution pump is pumped to starch glue holding vessel, naturally cool in the presence of agitator less than 65 DEG C standby.(2), oil-proofing agent
Addition：Observe from computer automatic control system, after dropping to below 65 DEG C at a temperature of starch glue holding vessel, will form sediment
Arogel liquid is pumped to starch glue material feeding jar, is uniformly added into oil-proofing agent (for mix homogeneously, oil-proofing agent addition using dosing pump simultaneously
On feed pipe to above starch glue material feeding jar).(3), the applying glue of page：By the mixed liquor of oil-proofing agent and starch glue from
The screw rod of starch glue material feeding jar is pumped in the feed pipe 31 of film transfer sizing applicator, through nozzle make its laterally uniform
On application roll, in the case that application roll rotates, using the rill of rill gauge stick and the pressure of rill gauge stick and application roll
Starch glue is formed homogeneous starch glue thin film, when page reaches between two application rolls, will form sediment under a certain pressure
Arogel liquid thin film is uniformly applied to page surface.Can be according to the paper kind producing different grease proofing grades, using applying glue in production
Roller pressurised airbag, to adjust the pressure of application roll, adjusts rill using rill gauge stick pressurised airbag, excellent seat and adjusting means
Gauge stick and the pressure of application roll, can adjust the starch glue of page and the coating weight of oil-proofing agent at any time by these regulations.
(4), the recovery of starch glue：In cyclic process, starch glue can be gradually dirty, containing impurity, so carrying out pressurized screen
Choosing, to ensure that applying glue is consistent with grease proofing grade.Recovery of starch glue by feed back pipeline self to starch glue recycling can, by reclaiming
Glue is pumped to pressurized screen (screen slot is 0.1mm), glue screening is made impurity remove, makes glue cleaner, improve food grease proofing
Paper cleanliness factor.
The first embodiment of a kind of grease proofing process for sizing paper that the present invention provides, step (3) is further comprising the steps：
A, (), for ensureing the absorbent properties to starch glue for the page, before having to pass through before entering film transfer sizing applicator, dried is to paper
Page mass dryness fraction is 95% about；(b), make starch glue thin film, starch glue thin film is uniformly applied to through front dried
Page surface；(c), the page being coated with greaseproof is carried out with hot blast is predrying, to increase the mass dryness fraction that page enters drying cylinder.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all substantive in the present invention
Any modification, equivalent and simple modifications of being made in content etc., should be included within the scope of the present invention.
Claims (2)
1. one kind carries out grease proofing process for sizing paper using greaseproof glue system, and described greaseproof glue system includes being sequentially connected with
Starch glue boil device (1), oil-proofing agent adding apparatus (2), film transfer size applicator (3) and starch glue retracting device
(4) it is characterised in that starch glue boils device includes starch glue decocting tank (11) and starch glue holding vessel (13), form sediment
Arogel liquid decocting tank is connected by glue solution pump (12) with starch glue holding vessel；Oil-proofing agent adding set is included on starch glue
Batch can (21), starch glue material feeding jar is connected with dosing pump (23)；Starch glue retracting device includes starch glue recycling can
(43) and pressurized screen (41), starch glue recycling can and pressurized screen pass through to reclaim glue pump (42) and are connected；Wherein, starch glue returns
Closed cans is connected with film transfer size applicator, and pressurized screen is connected with starch glue material feeding jar；Starch glue decocting tank, amylan
It is mounted on agitator (14) on liquid holding vessel and starch glue recycling can；It is characterized in that, grease proofing process for sizing paper include with
Lower step：
(1), the boiling of surface sizing starch glue：Air-dried Oxytarch and water are mixed according to 9% concentration, straight using steam
The mode connecing heating carries out heating and boils, and temperature reaches and stops heating when more than 95 DEG C, is incubated more than 20 minutes aging starch glue
Liquid；
(2), the addition of oil-proofing agent：After dropping to below 65 DEG C at a temperature of starch glue, add oil-proofing agent and stir；
(3), the applying glue of page：The mixed liquor of oil-proofing agent and starch glue is fabricated to homogeneous starch glue thin film, is setting
Under pressure, starch glue thin film is uniformly applied to page surface；
(4), the recovery of starch glue：Pressure screening removal is carried out to recovery glue remaining in making starch glue thin-film process miscellaneous
Matter.
2. grease proofing process for sizing paper according to claim 1 is it is characterised in that step (3) is further comprising the steps：
(a), front dried is carried out to page, web dryness is controlled to 95%；
(b), make starch glue thin film, starch glue thin film is uniformly applied to the page surface through front dried；
(c), the page being coated with oil-proofing agent and starch glue is carried out with hot blast is predrying, increase web dryness and oil-proofing agent
Absorbability.
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| CN201410657220.1A CN104389241B (en) | 2014-11-17 | 2014-11-17 | Oil-proof paper sizing system and sizing method |
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| CN106337313A (en) * | 2015-07-10 | 2017-01-18 | 谈旻轩 | Transfer paper manufacture method |
| CN105463941A (en) * | 2015-12-10 | 2016-04-06 | 周妙思 | Winding roller-type film-transfer sizing machine |
| 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 |
| CN111379195A (en) * | 2020-04-03 | 2020-07-07 | 山东仁丰特种材料股份有限公司 | Film transfer sizing method for oilproof paper |
| CN114192341A (en) * | 2021-12-10 | 2022-03-18 | 苏州市奥贝新材料科技有限公司 | Five-roller coating device for preparing release film |
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| CN103061205A (en) * | 2012-12-16 | 2013-04-24 | 中冶美利浆纸有限公司 | Preparation process of food-level oil-proof paperboard |
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| C06 | Publication | ||
| PB01 | Publication | ||
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