CN106638078A - Production method of paper pulp with waterproofness - Google Patents
Production method of paper pulp with waterproofness Download PDFInfo
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- CN106638078A CN106638078A CN201611121315.7A CN201611121315A CN106638078A CN 106638078 A CN106638078 A CN 106638078A CN 201611121315 A CN201611121315 A CN 201611121315A CN 106638078 A CN106638078 A CN 106638078A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/08—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods the raw material being waste paper; the raw material being rags
-
- 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
-
- 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
- D21C7/00—Digesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/02—Methods of beating; Beaters of the Hollander type
-
- 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
- D21H21/08—Dispersing agents for fibres
-
- 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
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal 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
Abstract
The invention discloses a production method of paper pulp with waterproofness, and belongs to the technical field of paper pulp production. The method includes the following steps of raw material selection, extrusion, soaking, cooking sterilization, impurity removal, preparation of a paper pulp semi-finished product, preparation of a filament blank, preparation of ground paper, preparation of a paper pulp finished product, and waterproofness testing. According to the method, a new technology is adopted to make the waterproof paper pulp, it can be avoided that an additional procedure is needed in carton processing, a composite dampproof adhesive and YF-921 cationic starch are added directly in the paper pulp processing process to form the waterproof paper pulp, the outward processing of waterproof layer coating is not needed in the midway of the carton manufacturing process, the procedures are simplified, and the cost is reduced; according to the paper pulp produced through the method, the outward processing of waterproof layer coating is not needed, it is only needed to make the waterproof paper pulp with the needed model and specification, and corresponding waterproof cartons can be made as needed; the waterproof capability of the paper pulp is effectively improved.
Description
Technical field
The present invention relates to a kind of production method of paper pulp, more particularly to a kind of producer with fire resistance characteristic paper pulp
Method, belongs to pulp production technology field.
Background technology
Paper pulp is the fibrous material obtained in Jing different processing methods with string as raw material, can be according to processing method
It is divided into mechanical pulp, chemical pulp and chemimechanical pulp, also dependent on fibrous raw material used wood pulp, straw pulp, jute pulp, reed is divided into
Slurry, sugarcane slurry, bamboo pulp, rag stock etc., can be divided into refined pulp, bleached pulp, unbleached pulp, high yield pulp1 according to different purity again
Paper pulp, semi-chemical pulp etc.；Typically it is used for manufacturing paper and cardboard, refined pulp is also usually made in addition to being used to manufacture speciality paper
To manufacture the raw material of the cellulose derivatives such as cellulose esters, cellulose ether, staple fibre, plastics, coating, film, fire are additionally operable to
The fields such as medicine.
Traditional slurrying refers to the method combined using chemical method, mechanical means or both, dissociates plant fiber material
Become the production process of true qualities or bleached pulp, the technical process for generally adopting is by plant fiber material crushing, boiling, washes
Wash, screen, bleach, purify, dry.Modern new development goes out a kind of bio-pulping method, first decomposes wood with special bacterial classification special orientation
Plain structure, after be aided with and mechanically or chemically dissociate remaining cellulose, then bleached, during this, biology has divided
Solution, opening most of lignin, chemical method is intended only as booster action, and chemical products used is little than conventional method, because
This can accomplish it is few discharge or do not discharge waste liquid, be a kind of environment-friendly pulping, free pulping method.
At present, during the manufacturing, body paper outgoing need to be coated with waterproof material to paper pulp by this kind of mode of production, then row is cut out
Cut, laminated with single corrugated paper, technological process is more lengthy and tedious, and automaticity is low.Therefore, waterproof paper pulp high efficiency, low how is realized
The high-volume mechanization linkage production of cost is technical problem urgently to be resolved hurrily in the industry.
The content of the invention
The main object of the present invention be in order to solve technological process present in current pulp production it is lengthy and tedious, automation
A kind of the problems such as low degree, there is provided production method with fire resistance characteristic paper pulp.
The purpose of the present invention can be reached by adopting the following technical scheme that：
A kind of production method with fire resistance characteristic paper pulp, methods described comprises the steps：
Step S1：Raw material is selected
Raw material selects the waste paper for reclaiming, and the waste paper of recovery is shredded；
Step S2：Extruding, immersion
The waste paper for shredding is put into extruder, or shredded paper is rolled into by broken waste paper is subtracted；It is useless after extruding or roll
Paper is put into fermentation vat, adds water and stirs, and shredded paper is stopped in the pasty state；
Step S3：Cooking disinfection, the removal of impurity
Shredded paper after immersion into pasty state is put into digester and is steamed under certain cooking pressure, boiling temperature, digestion time
Boil, plant equipment is passed through after boiling by Impurity removal；
Step S4：Make paper pulp semi-finished product
Choose compound protection against the tide adhesive, YF-921 cationic starches, auxiliary dispersants, over dry mineral composition fiber, retention
Agent, delignified pulp aqua, mould inhibitor, mothproofing agent, bactericide are mixed, after mixing with boiling after and remove deimpurity pasty state shredded paper
Mixing, obtains mixture, and mixture stirs into paper pulp by turbine type beater, obtains paper pulp semi-finished product；
Step S5：Make a base
The paper pulp semi-finished product for obtaining are dehydrated, the paper pulp semi-finished product after dehydration are extracted into forming machine and are molded, shaping
After shift, obtain a base；
Step S6：Make ground paper
The silk base for obtaining is sent into hot press hot pressing, hot press is pressurizeed, heated, added lines, vacuumizes, hot press
Blown by gas blow pipe after hot pressing is good, blow afloat and obtain being molded ground paper；
Step S7：Make paper pulp finished product
The shaping ground paper for obtaining is dried, product examine, packing, obtain paper pulp finished product；
Step S8：Water resistance is tested
Paper pulp finished product to obtaining carries out water resistance test, and water resistance test includes：Water penetration test, rub resistance are surveyed
Examination, constant temperature and humidity test.
Further, in the step 1, waste paper is shredded into size for 0.1cm～0.3cm.
Further, in the step 2, the waste paper for shredding is put into extruder, is extruded 3～5 times, or broken giving up will be subtracted
Paper is rolled into the shredded paper that thickness is 0.5mm～1.5mm；Waste paper after extruding or rolling is put into fermentation vat, addition accounts for waste paper weight
The biology enzyme of amount 0.05%～0.1%, adds water and stirs, and soaks, and water temperature is 30 DEG C～45 DEG C, shredded paper is stopped in the pasty state.
Further, in the step 3, the shredded paper after immersion into pasty state is put into boiling in digester, the pressure of boiling
For：0.03MPa～0.05MPa, the temperature of boiling is：75 DEG C～85 DEG C, the time of boiling is：30min～40min.
Further, in the step 3, liquefied ammonia, carbon ammonium, magnesia, potassium sulfate are added in the fermentation vat digester
And coarse whiting, liquefied ammonia, carbon ammonium, magnesia, potassium sulfate, coarse whiting carry out proportioning in the ratio for generating sulfurous acid inorganic double salt.
Further, in the step 3, the liquefied ammonia, carbon ammonium, magnesia, potassium sulfate, coarse whiting proportioning generate sulfurous acid without
Machine double salt Mg (NH4)2(SO3)2Cooking liquor, cooking liquor phosphoric acid and urea adjustment pH, obtain the quality of inorganic double salt containing sulfurous acid dense
The cooking liquor for 70～80g/L is spent, cooking liquor pH in digestion process is controlled 7～8.
Further, it is positive by the compound protection against the tide adhesive of following weight addition, YF-921 in paper pulp per ton in the step 4
Ionic starch, auxiliary dispersants, over dry mineral composition fiber, retention agent, delignified pulp aqua, mould inhibitor, mothproofing agent, bactericide,
Compound protection against the tide adhesive consumption is 60kg～70kg, and YF-921 cationic starches consumption is 45kg～55kg, and auxiliary dispersants are used
Measure as 5.5kg～6.5kg, over dry mineral composition fiber consumption is 0.5kg～1.0kg, retention agent consumption be 0.15kg～
0.20kg, delignified pulp aqua 1.0kg～2.0kg, mould inhibitor, mothproofing agent and bactericide amount to 1.0kg～2.0kg.
Further, in the step 4, the retention agent is used to increase fiber fines, filler and pigment staying in paper
Rate, the retention agent is by polyacrylamide, polyethylene glycol, phenolic resin, acrylic acid, (NH4)2S2O8、PbSO4Composition；It is described
Auxiliary dispersants are used to promote fiber, filler to be uniformly dispersed in paper pulp, and the auxiliary dispersants are by cellulose, polymer, mistake
Hydrogen oxide is constituted.
Further, in the step 4, the delignified pulp aqua is used to promote paper pulp to be easy to dehydration, the dewatering of pulp
Agent is made up of polyacrylamide, sodium hypochlorite, KOH, hydrochloric acid and water；The mould inhibitor, mothproofing agent, bactericide are used to prevent paper pulp
It is not mouldy, not putrid and deteriorated, do not damaged by worms, the mould inhibitor is made up of butyl hydroxybenzoate, citric acid, phenol, the mothproofing agent
It is made up of pyrethrins, sulphur, the bactericide is made up of formaldehyde, hypochlorous acid.
The Advantageous Effects of the present invention：The production method with fire resistance characteristic paper pulp of the present invention, the system of adopting new technology
Make waterproof paper pulp, can avoid when carton is processed, then one procedure of many increases, but directly add in paper pulp process
Comprising compound protection against the tide adhesive and YF-921 cationic starches, waterproof paper pulp is formed, be not required to stop at during manufacture carton
Outgoing is coated with waterproof layer, has both saved operation simple, and cost is reduced again；The paper pulp of present invention production is applied without the need for outgoing coating waterproof
Layer, need to only manufacture the waterproof paper pulp of required model specification, can according to demand make corresponding waterproof carton；Effectively raise paper
Slurry waterproof ability.
Description of the drawings
Fig. 1 is the schematic diagram of the preferred embodiment according to production method of the present invention with fire resistance characteristic paper pulp.
Specific embodiment
To make those skilled in the art's more clear and clear and definite technical scheme, with reference to embodiment and accompanying drawing
The present invention is described in further detail, but embodiments of the present invention not limited to this.
As shown in figure 1, the present embodiment provide a kind of production method with fire resistance characteristic paper pulp, methods described include as
Lower step：
Step S1：Raw material is selected
Raw material selects the waste paper for reclaiming, and the waste paper of recovery is shredded；
Step S2：Extruding, immersion
The waste paper for shredding is put into extruder, or shredded paper is rolled into by broken waste paper is subtracted；It is useless after extruding or roll
Paper is put into fermentation vat, adds water and stirs, and shredded paper is stopped in the pasty state；
Step S3：Cooking disinfection, the removal of impurity
Shredded paper after immersion into pasty state is put into digester and is steamed under certain cooking pressure, boiling temperature, digestion time
Boil, plant equipment is passed through after boiling by Impurity removal；
Step S4：Make paper pulp semi-finished product
Choose compound protection against the tide adhesive, YF-921 cationic starches, auxiliary dispersants, over dry mineral composition fiber, retention
Agent, delignified pulp aqua, mould inhibitor, mothproofing agent, bactericide are mixed, after mixing with boiling after and remove deimpurity pasty state shredded paper
Mixing, obtains mixture, and mixture stirs into paper pulp by turbine type beater, obtains paper pulp semi-finished product；
Step S5：Make a base
The paper pulp semi-finished product for obtaining are dehydrated, the paper pulp semi-finished product after dehydration are extracted into forming machine and are molded, shaping
After shift, obtain a base；
Step S6：Make ground paper
The silk base for obtaining is sent into hot press hot pressing, hot press is pressurizeed, heated, added lines, vacuumizes, hot press
Blown by gas blow pipe after hot pressing is good, blow afloat and obtain being molded ground paper；
Step S7：Make paper pulp finished product
The shaping ground paper for obtaining is dried, product examine, packing, obtain paper pulp finished product；
Step S8：Water resistance is tested
Paper pulp finished product to obtaining carries out water resistance test, and water resistance test includes：Water penetration test, rub resistance are surveyed
Examination, constant temperature and humidity test.
Further, in the present embodiment, in the step 1, waste paper is shredded into size for 0.2cm.
Further, in the present embodiment, in the step 2, the waste paper for shredding is put into extruder, is extruded 4 times, or
Broken waste paper will be subtracted and be rolled into the shredded paper that thickness is 1.0mm；Waste paper after extruding or rolling is put into fermentation vat, addition accounts for waste paper
The biology enzyme of weight 0.1%, adds water and stirs, and immersion, water temperature is 40 DEG C, shredded paper is stopped in the pasty state.
Further, in the present embodiment, in the step 3, the shredded paper after immersion into pasty state is put into digester and is steamed
Boil, the pressure of boiling is：0.04MPa, the temperature of boiling is：80 DEG C, the time of boiling is：35min.
Further, in the present embodiment, in the step 3, add in the fermentation vat digester liquefied ammonia, carbon ammonium,
Magnesia, potassium sulfate and coarse whiting, liquefied ammonia, carbon ammonium, magnesia, potassium sulfate, coarse whiting are entered in the ratio for generating sulfurous acid inorganic double salt
Row proportioning.
Further, in the present embodiment, in the step 3, the liquefied ammonia, carbon ammonium, magnesia, potassium sulfate, coarse whiting are matched somebody with somebody
Than generating sulfurous acid inorganic double salt Mg (NH4)2(SO3)2Cooking liquor, cooking liquor phosphoric acid and urea adjustment pH, obtain containing sulfurous acid
Inorganic double salt mass concentration is the cooking liquor of 75g/L, and cooking liquor pH in digestion process is controlled 7.5.
Further, in the present embodiment, in the step 4, by the compound protection against the tide glue of following weight addition in paper pulp per ton
It is glutinous agent, YF-921 cationic starches, auxiliary dispersants, over dry mineral composition fiber, retention agent, delignified pulp aqua, mould inhibitor, anti-
Moth agent, bactericide, it is 65kg to be combined protection against the tide adhesive consumption, and YF-921 cationic starches consumption is 50kg, and auxiliary dispersants are used
Measure as 6kg, over dry mineral composition fiber consumption is 0.8kg, retention agent consumption is 0.18kg, delignified pulp aqua 1.5kg, mould proof
Agent, mothproofing agent and bactericide amount to 1.5kg.
Further, in the present embodiment, in the step 4, the retention agent is used to increase fiber fines, filler and face
Retention of the material in paper, the retention agent is by polyacrylamide, polyethylene glycol, phenolic resin, acrylic acid, (NH4)2S2O8、
PbSO4Composition；The auxiliary dispersants are used to promote fiber, filler to be uniformly dispersed in paper pulp, and the auxiliary dispersants are by fibre
Dimension element, polymer, hydrogen peroxide composition.
Further, in the present embodiment, in the step 4, the delignified pulp aqua is used to promote paper pulp to be easy to dehydration,
The delignified pulp aqua is made up of polyacrylamide, sodium hypochlorite, KOH, hydrochloric acid and water；The mould inhibitor, mothproofing agent, bactericide
For preventing that paper pulp is not mouldy, not putrid and deteriorated, not damaged by worms, the mould inhibitor is by butyl hydroxybenzoate, citric acid, phenol group
Into the mothproofing agent is made up of pyrethrins, sulphur, and the bactericide is made up of formaldehyde, hypochlorous acid.
Carton to being made by paper pulp obtained from the production method using the present embodiment paper pulp is tested, and is surveyed
Examination is qualified, impermeable, can accomplish 100% environmental requirement.
The key technical indexes for making waterproof carton is as shown in table 1.
The key technical indexes of table 1
In sum, the production method with fire resistance characteristic paper pulp that the present embodiment is provided, making waterproof of adopting new technology
Paper pulp, can avoid when carton is processed, then one procedure of many increases, but directly adds in paper pulp process and include
Compound protection against the tide adhesive and YF-921 cationic starches, form waterproof paper pulp, are not required to the outgoing to stop at during manufacture carton and apply
Cloth waterproof layer, has both saved operation simple, and cost is reduced again；The paper pulp of present invention production is coated with waterproof coating without the need for outgoing, only needs
The waterproof paper pulp of required model specification is manufactured, corresponding waterproof carton can be according to demand made；Effectively raise paper pulp waterproof
Ability.
The above, the only preferred embodiment of the invention, but protection scope of the present invention is not limited thereto, any ripe
Those skilled in the art are known in scope disclosed in this invention, technology according to the present invention scheme and its design are in addition
Equivalent or change, belong to protection scope of the present invention.
Claims (9)
1. a kind of production method with fire resistance characteristic paper pulp, it is characterised in that：Methods described comprises the steps：
Step S1：Raw material is selected
Raw material selects the waste paper for reclaiming, and the waste paper of recovery is shredded；
Step S2：Extruding, immersion
The waste paper for shredding is put into extruder, or shredded paper is rolled into by broken waste paper is subtracted；Waste paper after extruding or rolling is put
Enter fermentation vat, add water and stir, shredded paper is stopped in the pasty state；
Step S3：Cooking disinfection, the removal of impurity
Shredded paper after immersion into pasty state is put into digester the boiling under certain cooking pressure, boiling temperature, digestion time, is steamed
Pass through plant equipment after boiling by Impurity removal；
Step S4：Make paper pulp semi-finished product
Choose compound protection against the tide adhesive, YF-921 cationic starches, auxiliary dispersants, over dry mineral composition fiber, retention agent, paper
Slurry dehydrating agent, mould inhibitor, mothproofing agent, bactericide are mixed, after mixing with after boiling and go deimpurity pasty state shredded paper to mix,
Mixture is obtained, mixture stirs into paper pulp by turbine type beater, obtains paper pulp semi-finished product；
Step S5：Make a base
The paper pulp semi-finished product for obtaining are dehydrated, the paper pulp semi-finished product after dehydration are extracted into forming machine and are molded, turned after shaping
Move, obtain a base；
Step S6：Make ground paper
The silk base for obtaining is sent into hot press hot pressing, hot press is pressurizeed, heated, added lines, vacuumizes, hot press hot pressing
Blown by gas blow pipe after good, blow afloat and obtain being molded ground paper；
Step S7：Make paper pulp finished product
The shaping ground paper for obtaining is dried, product examine, packing, obtain paper pulp finished product；
Step S8：Water resistance is tested
Paper pulp finished product to obtaining carries out water resistance test, and water resistance test includes：Water penetration is tested, rub resistance is tested,
Constant temperature and humidity is tested.
2. a kind of production method with fire resistance characteristic paper pulp according to claim 1, it is characterised in that：The step 1
In, waste paper is shredded into size for 0.1cm～0.3cm.
3. a kind of production method with fire resistance characteristic paper pulp according to claim 1, it is characterised in that：The step 2
In, the waste paper for shredding is put into extruder, extrude 3～5 times, or will subtract broken waste paper to be rolled into thickness is 0.5mm～1.5mm
Shredded paper；Waste paper after extruding or rolling is put into fermentation vat, addition accounts for the biology enzyme of waste paper weight 0.05%～0.1%, plus
Water stirs, and immersion, water temperature is 30 DEG C～45 DEG C, shredded paper is stopped in the pasty state.
4. a kind of production method with fire resistance characteristic paper pulp according to claim 1, it is characterised in that：The step 3
In, the shredded paper after immersion into pasty state is put into boiling in digester, the pressure of boiling is：0.03MPa～0.05MPa, boiling
Temperature is：75 DEG C～85 DEG C, the time of boiling is：30min～40min.
5. a kind of production method with fire resistance characteristic paper pulp according to claim 1, it is characterised in that：The step 3
In, liquefied ammonia, carbon ammonium, magnesia, potassium sulfate and coarse whiting, liquefied ammonia, carbon ammonium, magnesia, sulphur are added in the fermentation vat digester
Sour potassium, coarse whiting carry out proportioning in the ratio for generating sulfurous acid inorganic double salt.
6. a kind of production method with fire resistance characteristic paper pulp according to claim 5, it is characterised in that：The step 3
In, the liquefied ammonia, carbon ammonium, magnesia, potassium sulfate, coarse whiting proportioning generate sulfurous acid inorganic double salt Mg (NH4)2(SO3)2Cooking liquor,
Cooking liquor phosphoric acid and urea adjustment pH, obtain the cooking liquor that the mass concentration of inorganic double salt containing sulfurous acid is 70～80g/L, boiling
Liquid pH in digestion process is controlled 7～8.
7. a kind of production method with fire resistance characteristic paper pulp according to claim 1, it is characterised in that：The step 4
In, by the compound protection against the tide adhesive of following weight addition, YF-921 cationic starches, auxiliary dispersants, over dry ore deposit in paper pulp per ton
Thing composite fibre, retention agent, delignified pulp aqua, mould inhibitor, mothproofing agent, bactericide, be combined protection against the tide adhesive consumption be 60kg～
70kg, YF-921 cationic starch consumption is 45kg～55kg, and auxiliary dispersants consumption is 5.5kg～6.5kg, and over dry mineral are answered
Condensating fiber consumption is 0.5kg～1.0kg, and retention agent consumption is 0.15kg～0.20kg, delignified pulp aqua 1.0kg～2.0kg, is prevented
Mould dose, mothproofing agent and bactericide amount to 1.0kg～2.0kg.
8. a kind of production method with fire resistance characteristic paper pulp according to claim 1, it is characterised in that：The step 4
In, the retention agent is used to increase the retention of fiber fines, filler and pigment in paper, and the retention agent is by polyacrylamide
Amine, polyethylene glycol, phenolic resin, acrylic acid, (NH4)2S2O8、PbSO4Composition；The auxiliary dispersants are used to promote fiber, fill out
Material is uniformly dispersed in paper pulp, and the auxiliary dispersants are made up of cellulose, polymer, hydrogen peroxide.
9. a kind of production method with fire resistance characteristic paper pulp according to claim 1, it is characterised in that：The step 4
In, the delignified pulp aqua be used for promote paper pulp be easy to dehydration, the delignified pulp aqua by polyacrylamide, sodium hypochlorite,
KOH, hydrochloric acid and water composition；The mould inhibitor, mothproofing agent, bactericide be used for prevent paper pulp it is not mouldy, not putrid and deteriorated, not by worm
Moth, the mould inhibitor is made up of butyl hydroxybenzoate, citric acid, phenol, and the mothproofing agent is made up of pyrethrins, sulphur, described
Bactericide is made up of formaldehyde, hypochlorous acid.
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| CN107227654A (en) * | 2017-06-22 | 2017-10-03 | 合肥励仙电力工程有限公司 | A kind of preparation method of water-proof paper |
| CN108263112A (en) * | 2018-02-09 | 2018-07-10 | 荆门格林绿色电子科技有限公司 | A kind of paper matrix lines identifies false proof process |
| CN108406989A (en) * | 2018-02-11 | 2018-08-17 | 贵港市万升木业有限公司 | A kind of silkwood discards the environmental protection recycling method of sawdust |
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| CN107227654A (en) * | 2017-06-22 | 2017-10-03 | 合肥励仙电力工程有限公司 | A kind of preparation method of water-proof paper |
| CN107083723A (en) * | 2017-06-29 | 2017-08-22 | 苏州安特实业有限公司 | A kind of water repellent wrapping paper based on nanometer string and preparation method thereof |
| CN108263112A (en) * | 2018-02-09 | 2018-07-10 | 荆门格林绿色电子科技有限公司 | A kind of paper matrix lines identifies false proof process |
| CN108406989A (en) * | 2018-02-11 | 2018-08-17 | 贵港市万升木业有限公司 | A kind of silkwood discards the environmental protection recycling method of sawdust |
| CN111005257A (en) * | 2019-12-10 | 2020-04-14 | 天津现代职业技术学院 | Mechanical environment-friendly pulping method |
| CN111979833A (en) * | 2020-08-19 | 2020-11-24 | 江苏理文造纸有限公司 | Process for making paper by using waste paper microfibrillated fiber |
| CN111945459A (en) * | 2020-08-26 | 2020-11-17 | 国腾彩色纸品(鹤山)有限公司 | High-strength anti-breaking corrugated paper and processing technology thereof |
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