CN107287974A - A kind of production technology of the protecting paper of gypsum board containing stickies control enzyme - Google Patents
A kind of production technology of the protecting paper of gypsum board containing stickies control enzyme Download PDFInfo
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- CN107287974A CN107287974A CN201710685712.5A CN201710685712A CN107287974A CN 107287974 A CN107287974 A CN 107287974A CN 201710685712 A CN201710685712 A CN 201710685712A CN 107287974 A CN107287974 A CN 107287974A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/022—Chemicals therefor
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
- D21C5/027—Chemicals therefor
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/005—Microorganisms or enzymes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
- D21H17/29—Starch cationic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Biochemistry (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
A kind of production technology of the protecting paper of gypsum board containing stickies control enzyme, belong to protecting paper of gypsum board preparing technical field, prior art can be solved with the increase of secondary stock consumption, substantial amounts of impurity is brought into system, the problem of gluing thing problem on obstacle is on the rise, it is divided into slurrying, two steps of papermaking, wherein, stickies control enzyme is added in pulping process, papermaking is 4 layers of net composite molding, surface layer hangs Deinking Pulp, four formable layers are ejected into by head box using four layers of slurry online, pass through one of suction press, the big roll-in of twice is squeezed, front baking, table glue, after dry, batch, most afterwards through rewinding machine rewinding into different size paper roll.The present invention can reduce the gluing thing obstacle of paper machine, reduce break caused by gluing thing paper and paper defects, extension felt, net blanket service life improve paper machine production efficiency, reduction production unit consumption.
Description
Technical field
The invention belongs to protecting paper of gypsum board preparing technical field, and in particular to a kind of gypsum containing stickies control enzyme
The production technology of plate mask paper.
Background technology
Plasterboard species is various, widely used.The plasterboard that China produces at present mainly has：Thistle board, ornamental stone
Cream plate, gypsum hollow lath, fibrous plaster and fire prevention and waterproof gypsum board etc..
By use so for many years, compatriots have increasing understanding to the advantage feature of plasterboard.Plasterboard is removed
Have outside decoration function, it is often more important that with insulation, heat-insulated, fire prevention, moistureproof effect, while having lightweight, high-strength, section
Energy, environmental-protection function.Building energy conservation effect can be significantly increased using plasterboard, or people provide living for healthiness
Residence environment.As building materials, gypsum has safety, comfortable, quick, environmentally friendly four characteristicses, and its development space is big, prospect is good.
Thistle board be using Gypsum slurry as sandwich, two sides with paper as mask a kind of light weight board.Plasterboard
Mask paper recycles waste paper and carries out being beaten to manufacture paper with pulp forming, and with the increase of secondary stock consumption, substantial amounts of impurity is brought into
System, gluing thing problem on obstacle is on the rise, and is mainly shown as：1. being deposited on forming net, mesh is blocked, causes drainage to be stranded
Difficulty, increases the stop cleaning time；Page is caused to break end 2. sticking to dryer surface；3. remaining in page, paper hole is formed, is made
Into calcium plaster seepage, belt, influence plasterboard outward appearance and normal production run are polluted.
The content of the invention
The present invention is for prior art with the increase of secondary stock consumption, and substantial amounts of impurity is brought into system, gluing thing barrier
Hindering the problem of problem is on the rise, there is provided a kind of production technology of the protecting paper of gypsum board containing stickies control enzyme.
The present invention is adopted the following technical scheme that：
A kind of production technology of the protecting paper of gypsum board containing stickies control enzyme, comprises the following steps：
The first step, slurrying, pulping process includes OCC and starches production line and Deinking Pulp production line, wherein, OCC slurries production-line technique is such as
Under：OCC raw material proportionings are useless for 20% Mei Fei 11#+80% states, add rotary drum pulping machine after uniform mixing, size degradation is into mass concentration
4% underflow slurry, adds the stickies control enzyme for accounting for underflow stock quality 100ppm, makes stickies control enzyme and underflow slurry
45min is reacted, by HC Cleaner, scalping, classifying screen（0.15mm screen slots）, it is divided into long and short fiber, chopped fiber is through too low dense
Scummer, polydisc thickener, form concentration 4%, 30-35 ° of SR of beating degree short stock, because a part of enzyme is lost in, here
It is supplemented adding the stickies control enzyme for accounting for short stock quality 50ppm；Long fibre is concentrated through too low dense scummer, polydisc
After machine, heat partition, mill mashing, it is the 4%, long stuff of 40 ° of SR ± 2 of beating degree to form concentration, because the inactivation temperature of enzyme is
90 DEG C, therefore all lost activity by enzyme during 105 DEG C of temperature of heat partition, so being supplemented accounting for long stuff quality in addition
50ppm stickies control enzyme；
Second step, papermaking, using face, lining, core, bottom 4 layers of net composite molding, surface layer hang Deinking Pulp, then by fan pump, pressure
After power sieve, sprayed and surfed the Net by head box, in addition three layers of long and short fibre stufves of OCC in mass ratio 6 for slurrying workshop section:4 is uniform
Mixing, each layer all pass through fan pump, pressurized screen, to head box on net forming；Four layers of slurry by head box be ejected into four layers into
Type is online, by the waterline for controlling wet end, it is ensured that each layer is combined mass dryness fraction in 10-14%, is conducive into the lifting of paper internal bond,
Avoid lamination, then by one of suction press, the big roll-in squeezing of twice, front baking, table glue, dry, batch, most afterwards through rewinding afterwards
Paper roll of the machine rewinding into different size.
Deinking Pulp production-line technique is as follows described in the first step：Raw material proportioning reports+50% page for 30% useless+20% state of 9# U.S.s
Paper adds rotary drum pulping machine after uniformly mixing, and adds deinking chemicals, waste paper and chemicals reaction, mashing in pulper,
The underflow that weight concentration is 4% is formed, the heavy seeds in slurry is removed through HC Cleaner, such as iron nail, stone, glass, beats
To pulp storage tank, the concentration for being diluted to 3% passes through scalping, removes removal of impurity fragment and solid pollutant, is then diluted to 1% concentration warp
Scummer is crossed, impurity of the weight than paper pulp fiber weight is removed, into flotation cell, adsorbed and the ink particle in flotation secondary stock,
System is discharged it, then by fine screen, slurry is further purified, enters heat partition system after being concentrated finally by polydisc thickener
System, the gluing thing in dispersed paste eventually forms the slurry that concentration is 4% and enters that reserve pit is standby, beating degree is controlled in 50 ° of SR
±2。
The deinking chemicals include 1kg/ tons of waste paper of deinking agent, 20kg/ tons of waste paper of hydrogen peroxide, 15kg/ tons of sodium hydroxide
Waste paper, 10kg/ tons of waste paper of sodium metasilicate.
In second step, surface layer hanging amount accounts for always quantitative 1/6, and lining, bottom hanging respectively account for always quantitative 1/6, sandwich layer hanging
Amount accounts for always quantitative 1/2.
In second step, added before the fan pump of four layers in the 6kg/ tons of paper of cationic starch being gelatinized, neutralized system
Anionic trash, and be conducive to the lifting of paper strength；15-20kg/ tons of paper of aluminum sulfate, control are added after each layer fan pump
System pH value processed is 6.5-7.0, is easy to applying glue, applying glue is to resist Liquid Penetrant and the ability of diffusion to assign paper, in punching
The internal sizing agent of ASA models 5501 is added after stock pump, 2.0-2.5kg/ tons of paper of sizing agent consumption are adjusted, makes into the water suction of paper one side
Control is in 25g/m2Within.
In second step, the double base retention and drainage aid agent being made up of dry powder retention agent and liquid filter aid is added before pressurized screen,
Wherein, dry powder retention agent DPRC-0810, consumption is 0.4kg/ tons of paper, and liquid filter aid LPRC-4040, consumption is 0.6kg/ tons
Paper, improves fiber fines retention rate.
Biao Jiao workshop sections in second step, utilize the form of ative starch+amylase, 160g/ tons of starch of starch enzyme dosage, starch
15-20kg/ tons of paper of consumption, it is ensured that paper strength is up to standard.
Beneficial effects of the present invention are as follows：
1. the present invention uses waste paper for raw material, raw material of papermaking fiber is saved, meanwhile, waste paper pulp-making is former compared to timber and careless class
Expect slurrying, reduce cooking process, saved the consumption of chemicals, no black liquor is produced, and significantly reduces pollutional load, so,
Investment reduction of the present invention, saves the energy, pollution abatement, meets national environmental protection policy.
2. the use of stickies control enzyme, reduces the gluing thing obstacle of paper machine, break caused by gluing thing paper and paper are reduced
Disease, extension felt, net blanket service life improve paper machine production efficiency, reduction production unit consumption.
Embodiment
A kind of production technology of the protecting paper of gypsum board containing stickies control enzyme, comprises the following steps：
The first step, slurrying, pulping process includes OCC and starches production line and Deinking Pulp production line, wherein, OCC slurries production-line technique is such as
Under：OCC raw material proportionings are useless for 20% Mei Fei 11#+80% states, add rotary drum pulping machine after uniform mixing, size degradation is into mass concentration
4% underflow slurry, adds the stickies control enzyme for accounting for underflow stock quality 100ppm, makes stickies control enzyme and underflow slurry
45min is reacted, by HC Cleaner, scalping, classifying screen（0.15mm screen slots）, it is divided into long and short fiber, chopped fiber is through too low dense
Scummer, polydisc thickener, form concentration 4%, 30-35 ° of SR of beating degree short stock, because a part of enzyme is lost in, here
It is supplemented adding the stickies control enzyme for accounting for short stock quality 50ppm；Long fibre is concentrated through too low dense scummer, polydisc
After machine, heat partition, mill mashing, it is the 4%, long stuff of 40 ° of SR ± 2 of beating degree to form concentration, because the inactivation temperature of enzyme is
90 DEG C, therefore all lost activity by enzyme during 105 DEG C of temperature of heat partition, so being supplemented accounting for long stuff quality in addition
50ppm stickies control enzyme；
Second step, papermaking, using face, lining, core, bottom 4 layers of net composite molding, surface layer hang Deinking Pulp, then by fan pump, pressure
After power sieve, sprayed and surfed the Net by head box, in addition three layers of long and short fibre stufves of OCC in mass ratio 6 for slurrying workshop section:4 is uniform
Mixing, each layer all pass through fan pump, pressurized screen, to head box on net forming；Four layers of slurry by head box be ejected into four layers into
Type is online, by the waterline for controlling wet end, it is ensured that each layer is combined mass dryness fraction in 10-14%, is conducive into the lifting of paper internal bond,
Avoid lamination, then by one of suction press, the big roll-in squeezing of twice, front baking, table glue, dry, batch, most afterwards through rewinding afterwards
Paper roll of the machine rewinding into different size.
Deinking Pulp production-line technique is as follows described in the first step：Raw material proportioning reports+50% page for 30% useless+20% state of 9# U.S.s
Paper adds rotary drum pulping machine after uniformly mixing, and adds deinking chemicals, waste paper and chemicals reaction, mashing in pulper,
The underflow that weight concentration is 4% is formed, the heavy seeds in slurry is removed through HC Cleaner, such as iron nail, stone, glass, beats
To pulp storage tank, the concentration for being diluted to 3% passes through scalping, removes removal of impurity fragment and solid pollutant, is then diluted to 1% concentration warp
Scummer is crossed, impurity of the weight than paper pulp fiber weight is removed, into flotation cell, adsorbed and the ink particle in flotation secondary stock,
System is discharged it, then by fine screen, slurry is further purified, enters heat partition system after being concentrated finally by polydisc thickener
System, the gluing thing in dispersed paste eventually forms the slurry that concentration is 4% and enters that reserve pit is standby, beating degree is controlled in 50 ° of SR
±2。
The deinking chemicals include 1kg/ tons of waste paper of deinking agent, 20kg/ tons of waste paper of hydrogen peroxide, 15kg/ tons of sodium hydroxide
Waste paper, 10kg/ tons of waste paper of sodium metasilicate.
In second step, surface layer hanging amount accounts for always quantitative 1/6, and lining, bottom hanging respectively account for always quantitative 1/6, sandwich layer hanging
Amount accounts for always quantitative 1/2.
In second step, added before the fan pump of four layers in the 6kg/ tons of paper of cationic starch being gelatinized, neutralized system
Anionic trash, and be conducive to the lifting of paper strength；15-20kg/ tons of paper of aluminum sulfate, control are added after each layer fan pump
System pH value processed is 6.5-7.0, is easy to applying glue, applying glue is to resist Liquid Penetrant and the ability of diffusion to assign paper, in punching
The internal sizing agent of ASA models 5501 is added after stock pump, 2.0-2.5kg/ tons of paper of sizing agent consumption are adjusted, makes into the water suction of paper one side
Control is in 25g/m2Within.
In second step, the double base retention and drainage aid agent being made up of dry powder retention agent and liquid filter aid is added before pressurized screen,
Wherein, dry powder retention agent DPRC-0810, consumption is 0.4kg/ tons of paper, and liquid filter aid LPRC-4040, consumption is 0.6kg/ tons
Paper, improves fiber fines retention rate.
Biao Jiao workshop sections in second step, utilize the form of ative starch+amylase, 160g/ tons of starch of starch enzyme dosage, starch
15-20kg/ tons of paper of consumption, it is ensured that paper strength is up to standard.
Stickies control enzyme test is reported.
First, pilot project：Produce protecting paper of gypsum board.
2nd, process of the test：
（1）Pulping process, be specially：OCC raw materials uniformly mixing after add rotary drum pulping machine, size degradation into mass concentration for 4% it is dense
Slurry, adds 100ppm stickies control enzymes, enzyme and slurry is had the reaction time of abundance, by HC Cleaner, scalping, classification
Sieve（0.15mm screen slots）, it is divided into long and short fiber, chopped fiber forms concentration 4%, beating through too low dense scummer, polydisc thickener
The slurry for spending 30-35 ° of SR is standby, because a part of enzyme is lost in, and is supplemented adding 50ppm stickies control enzymes here；Long fibre
After too low dense scummer, polydisc thickener, heat partition, mill mashing, it is the 4%, slurry of 40 ° of SR ± 2 of beating degree to form concentration
It is standby, because the inactivation temperature of enzyme is 90 DEG C, therefore all lost activity by enzyme during 105 DEG C of temperature of heat partition, so in addition again
Supplement 50ppm stickies control enzymes.
（2）Whole process of the test increases and decreases stickies control enzyme dosage according to system change, and other techniques are constant.
3rd, paper machine state：170g/m2Paper is tested under grammes per square metre, speed 800m/min.
4th, result of the test：
1. counted before experiment
2. counted during experiment
5th, interpretation of result：
1. during experiment, disconnected paper number of times is significantly reduced, be reduced to by original average daily 4.3 times it is averagely daily 2.7 times, it is flat
1.6 times/day are reduced, average product adds 20.418 ton days, and steam mono-consumption has saved 0.086 ton/ton paper.
6th, conclusion：
1. the amount during experiment from the 2nd, the lower sicker of the 3rd scraper cleaning is gradually reduced, viscosity is also reduced, drying cylinder with
The sticky matter of dry deposited thereon is also reduced therewith, so that disconnected paper number of times is reduced, contrasts a upper outage period because gluing thing is made
Into disconnected paper number of times averagely daily reduce by 1~2 time.
2. the sticky matter that stickies control enzyme can be in removing system is used for a long time, system can be more clean, net blanket, hair
Cloth service life can extend, and the stop cleaning cycle also can accordingly extend, and can mitigate the labor intensity of workman significantly.
3. as the amount of sicker is reduced and sticky reduction, production efficiency can be improved, and production capacity will increase, phase
The unit consumption such as steam, the starch answered can be reduced.
Claims (7)
1. a kind of production technology of the protecting paper of gypsum board containing stickies control enzyme, it is characterised in that：Comprise the following steps：
The first step, slurrying, pulping process includes OCC and starches production line and Deinking Pulp production line, wherein, OCC slurries production-line technique is such as
Under：OCC raw material proportionings are useless for 20% Mei Fei 11#+80% states, add rotary drum pulping machine after uniform mixing, size degradation is into mass concentration
4% underflow slurry, adds the stickies control enzyme for accounting for underflow stock quality 100ppm, makes stickies control enzyme and underflow slurry
45min is reacted, by HC Cleaner, scalping, classifying screen, is divided into long and short fiber, chopped fiber is through too low dense scummer, polydisc
Thickener, forms concentration 4%, 30-35 ° of SR of beating degree short stock, is supplemented addition and accounts for short stock quality 50ppm
Stickies control enzyme；Long fibre is after too low dense scummer, polydisc thickener, heat partition, mill mashing, and forming concentration is
4%th, the long stuff of 40 ° of SR ± 2 of beating degree, is supplemented accounting for long stuff quality 50ppm stickies control enzyme；
Second step, papermaking, using face, lining, core, bottom 4 layers of net composite molding, surface layer hang Deinking Pulp, then by fan pump, pressure
After power sieve, sprayed and surfed the Net by head box；The other three layers long and short fibre stufves of OCC in mass ratio 6 for slurrying workshop section:4 is uniform
Mixing, each layer all pass through fan pump, pressurized screen, to head box on net forming；Four layers of slurry by head box be ejected into four layers into
Type is online, by the waterline for controlling wet end, it is ensured that each layer is combined mass dryness fraction in 10-14%, then passes through one of suction press, twice
Big roll-in squeezing, front baking, table glue, dry, batch afterwards, most afterwards through rewinding machine rewinding into different size paper roll.
2. a kind of production technology of protecting paper of gypsum board containing stickies control enzyme according to claim 1, its feature
It is：Deinking Pulp production-line technique is as follows described in the first step：Raw material proportioning reports+50% book page paper equal for 30% useless+20% state of 9# U.S.s
Rotary drum pulping machine is added after even mixing, and adds deinking chemicals, waste paper and chemicals reaction, mashing, are formed in pulper
Weight concentration is 4% underflow, removes the heavy seeds in slurry through HC Cleaner, gets to pulp storage tank, is diluted to 3% concentration warp
Scalping is crossed, removal of impurity fragment and solid pollutant is removed, the concentration for being then diluted to 1% passes through scummer, removes weight more fine than paper pulp
The impurity of weight is tieed up, into flotation cell, adsorbs and the ink particle in flotation secondary stock, discharges it system, then by fine screen,
Slurry is further purified, the gluing thing entered after being concentrated finally by polydisc thickener in heat partition system, dispersed paste, finally
Form concentration standby into reserve pit for 4% slurry, beating degree is controlled 50 ° of SR ± 2.
3. a kind of production technology of protecting paper of gypsum board containing stickies control enzyme according to claim 2, its feature
It is：The deinking chemicals include 1kg/ tons of waste paper of deinking agent, and 20kg/ tons of waste paper of hydrogen peroxide, 15kg/ tons of sodium hydroxide gives up
Paper, 10kg/ tons of waste paper of sodium metasilicate.
4. a kind of production technology of protecting paper of gypsum board containing stickies control enzyme according to claim 1, its feature
It is：In second step, surface layer hanging amount accounts for always quantitative 1/6, and lining, bottom hanging respectively account for always quantitative 1/6, and sandwich layer hanging amount is accounted for
Always quantitative 1/2.
5. a kind of production technology of protecting paper of gypsum board containing stickies control enzyme according to claim 1, its feature
It is：In second step, the 6kg/ tons of paper of cationic starch being gelatinized are added before the fan pump of four layers, after each layer fan pump
15-20kg/ tons of paper of aluminum sulfate are added, control system pH value is 6.5-7.0, is added after fan pump in the slurry of ASA models 5501
Sizing agent, adjusts 2.0-2.5kg/ tons of paper of sizing agent consumption, makes into the water suction control of paper one side in 25g/m2Within.
6. a kind of production technology of protecting paper of gypsum board containing stickies control enzyme according to claim 1, its feature
It is：In second step, the double base retention and drainage aid agent being made up of dry powder retention agent and liquid filter aid is added before pressurized screen, its
In, dry powder retention agent DPRC-0810, consumption is 0.4kg/ tons of paper, and liquid filter aid LPRC-4040, consumption is 0.6kg/ tons of paper.
7. a kind of production technology of protecting paper of gypsum board containing stickies control enzyme according to claim 1, its feature
It is：Biao Jiao workshop sections in second step, using the form of ative starch+amylase, 160g/ tons of starch of starch enzyme dosage, starch is used
Measure 15-20kg/ tons of paper.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512458A (en) * | 2019-09-25 | 2019-11-29 | 山鹰国际控股股份公司 | The treatment process of gluing object in a kind of removal paper pulp |
| CN110965381A (en) * | 2019-12-26 | 2020-04-07 | 山东华泰纸业股份有限公司 | Low-gram-weight high-strength corrugated medium paper and preparation process thereof |
| CN111501391A (en) * | 2020-04-30 | 2020-08-07 | 山鹰国际控股股份公司 | Method for improving slurry quality |
| CN113026416A (en) * | 2021-03-30 | 2021-06-25 | 山东仁丰特种材料股份有限公司 | Method and device for sticking cylinder of anti-sticking roller of long-net large-cylinder paper machine |
| CN115323821A (en) * | 2022-06-27 | 2022-11-11 | 联盛纸业（龙海）有限公司 | Process method for reducing stickies in domestic waste OCC papermaking white water |
-
2017
- 2017-08-08 CN CN201710685712.5A patent/CN107287974A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512458A (en) * | 2019-09-25 | 2019-11-29 | 山鹰国际控股股份公司 | The treatment process of gluing object in a kind of removal paper pulp |
| CN110512458B (en) * | 2019-09-25 | 2020-06-16 | 山鹰国际控股股份公司 | Treatment process for removing stickies in paper pulp |
| CN110965381A (en) * | 2019-12-26 | 2020-04-07 | 山东华泰纸业股份有限公司 | Low-gram-weight high-strength corrugated medium paper and preparation process thereof |
| CN111501391A (en) * | 2020-04-30 | 2020-08-07 | 山鹰国际控股股份公司 | Method for improving slurry quality |
| CN113026416A (en) * | 2021-03-30 | 2021-06-25 | 山东仁丰特种材料股份有限公司 | Method and device for sticking cylinder of anti-sticking roller of long-net large-cylinder paper machine |
| CN115323821A (en) * | 2022-06-27 | 2022-11-11 | 联盛纸业（龙海）有限公司 | Process method for reducing stickies in domestic waste OCC papermaking white water |
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