CN108532356A - A kind of production method of fire-retardant brown paper - Google Patents

A kind of production method of fire-retardant brown paper Download PDF

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Publication number
CN108532356A
CN108532356A CN201810170318.2A CN201810170318A CN108532356A CN 108532356 A CN108532356 A CN 108532356A CN 201810170318 A CN201810170318 A CN 201810170318A CN 108532356 A CN108532356 A CN 108532356A
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CN
China
Prior art keywords
shell
fire
slurry
fixedly connected
retardant
Prior art date
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Application number
CN201810170318.2A
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Chinese (zh)
Inventor
庄卫平
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Haining Xin Mo Xiang Printing Co Ltd
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Haining Xin Mo Xiang Printing Co Ltd
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Publication date
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Priority to CN201810170318.2A priority Critical patent/CN108532356A/en
Publication of CN108532356A publication Critical patent/CN108532356A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • D21D1/18—Beaters with two or more beater rolls
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • 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
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • 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
    • 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
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
    • D21H15/10—Composite 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates
    • 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
    • D21H21/34—Ignifugeants

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)

Abstract

The present invention provides a kind of production methods of fire-retardant brown paper.It is excessively complicated that it solves the step of existing preparation method, prepares the technical problems such as cumbersome.The production method of this fire-retardant brown paper, includes the following steps：A, it cleans：The good secondary stock of bleaching, cotton fiber slurry, straw pulp of rice and wheat and softwood pulp are discongested with hydrabrusher, through high frequency vibrating frame screening and removing impurities matter, then through centrifugal screening, remove fibre bundle, and adjust a concentration of the 3 5% of slurry；B, it is beaten：After the pH value for adjusting slurry is 6.2 6.8, mashing processing is carried out by beating apparatus；C, it sizes mixing：The slurry being beaten is put into mud pit, fire retardant and titanium dioxide are sequentially added, the pH value for adjusting slurry again is 5.5 6.5, and a concentration of the 0.5 0.7% of diluted slurry；D, copy paper：The slurry sized mixing is delivered in paper machine and carries out copy paper, most afterwards after dehydration, squeezing, drying and press polish, obtains fire-retardant brown paper.The present invention has the advantages that convenient for production.

Description

A kind of production method of fire-retardant brown paper
Technical field
The present invention relates to a kind of production methods of fire-retardant brown paper.
Background technology
Brown paper is used as packaging material, and tearing toughness, rupture work(and resistance to vibration are very high；Can be used as cement bag paper, M.G. pure sulphite paper, glue envelope paper dress, bituminized paper, cable protective paper, insulating paper etc..
Through retrieval, as Chinese patent literature discloses a kind of preparation method of composite kraft paper【Application number： 201610520532.7；Publication number：CN 106192600B】.The preparation method of this composite kraft paper, which is characterized in that including Following steps：Step 1: by secondary stock, bamboo and wood slurry and softwood pulp by weight 5：2：1 is put into the pulping pond of base pastes, By size degradation, screening, purification, flotation, heat partition and defibrination process, base pastes are obtained；Step 2: by secondary stock, needlebush Slurry and hardwood pulp are by weight 2：1：1 is put into the pulping pond of surface layer slurry, passes through size degradation, screening, purification, flotation, heat point Scattered and defibrination process, obtains surface layer slurry；Step 3: base pastes and surface layer slurry are carried out molding of manufacturing paper with pulp respectively, prepare Mutually independent bottom knead dough layer；Step 4: after mixing by essence and the first sizing agent, spraying to the upper table of the bottom Face forms sandwich layer；First sizing agent is by polyvinyl alcohol and dextrin by weight 2：3 are made, the use of first sizing agent Amount is 0.5-2g/m2, the essence, dosage 0.01-0.05g/m2；The essence is flavoring rose essence, is by fresh rose Rare flower and distilled water press 2：1 ratio is added in vacuum back-flow extraction equipment, the refluxing extraction 4-6h at 50-55 DEG C, filtering, and Cyclodextrin, carragheen and sodium carboxymethylcellulose are added into gained filtrate, after being sufficiently mixed, then gained mixed liquor is sprayed Mist drying is made, wherein the additive amount of the cyclodextrin is 5g/kg, and the additive amount of the carragheen is 3g/kg, the carboxylic first The additive amount of base sodium cellulosate is 3g/kg；Step 5: bottom, sandwich layer knead dough layer are sequentially placed, progress press dewatering is compound to be obtained Composite kraft paper body paper, and the composite kraft paper body paper is placed at 190-210 DEG C, processing is dried, until its water content For 25-30%；Step 6: by 1/2 second sizing agent even application to the outer surface of the composite kraft paper body paper, first is formed Glue surface, then dried flower is uniformly placed in first glue surface, finally the second sizing agent even application of remaining dosage is existed again In first glue surface and dried flower, the second glue surface is formed, the first glue surface, dried flower and the second glue surface form decorative layer, obtain compound ox Mulberry paper；Second sizing agent is Styrene And Chloroalkyl Acrylates adhesive, dosage 2-3g/m2, the dried flower, dosage 10- 50/m2；The dried flower is dry rose, is the microwave drying 20- under 800-900W by after new fresh-rose shaping After 25min, then heated-air drying is made until its water content is less than 12% at 25-30 DEG C by gained rose；Step 7: will Processing is dried in the composite kraft paper at 40-45 DEG C, until its water content is 10-12%, obtains qualified compound ox-hide Paper.
Although preparation method secondary stock dosage disclosed in the patent is big, the step of preparation method, is excessively complicated, Prepare cumbersome, therefore, it is necessary to design a kind of production method of fire-retardant brown paper.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of producer of fire-retardant brown paper Method, the production method have the characteristics that convenient for production.
Object of the invention can be realized by the following technical scheme：A kind of production method of fire-retardant brown paper, feature It is, includes the following steps：
A, it cleans：By the good secondary stock of bleaching, cotton fiber slurry, straw pulp of rice and wheat and softwood pulp hydrabrusher into Row is discongested, and through high frequency vibrating frame screening and removing impurities matter, then through centrifugal screening, removes fibre bundle, and adjust a concentration of 3-5% of slurry；
B, it is beaten：After the pH value for adjusting slurry is 6.2-6.8, mashing processing is carried out by beating apparatus, beating time is 50-80min；
C, it sizes mixing：The slurry being beaten is put into mud pit, fire retardant and titanium dioxide are sequentially added, stirs 30- After 40min, the pH value of slurry is adjusted again as 5.5-6.5, and a concentration of 0.5-0.7% of diluted slurry；
D, copy paper：The slurry sized mixing is delivered in paper machine and carries out copy paper, most afterwards through dehydration, squeezing, drying and press polish Afterwards, fire-retardant brown paper is obtained.
The secondary stock, cotton fiber slurry, straw pulp of rice and wheat, softwood pulp, fire retardant and titanium dioxide parts by weight be：Waste paper 60-80 parts of slurry, 12-16 parts of cotton fiber slurry, 8-14 parts of straw pulp of rice and wheat, 20-25 parts of softwood pulp, 1.5-2.5 parts of fire retardant and titanium 3-5 parts of white powder.
The drying temperature is 50-60 DEG C.
The drying time is 8-12min.
The beating apparatus includes first shell, and the right side of the first shell inner wall and the right side of support plate are fixed Connection, the front and back of support plate are fixedly connected with the front and back of first shell inner wall, are connected in support plate respectively Two first bearings are socketed with first rotating shaft in two first bearings, and two first rotating shaft upper ends have been fixedly connected with first Scroll wheel, two the first scroll wheels are connected by the first belt transmission, and first scroll wheel on right side is by the second belt also with Two scroll wheels are sequentially connected, and the second scroll wheel is fixedly connected on motor output shaft end, motor output shaft straight up, motor Fuselage is fixedly connected with the right side of first shell；There are several crushing knifes in two first rotating shaft lower ends, first turn of right side Axis surface is located at the position below crushing knife and is socketed with second bearing, and second bearing is clamped on the second housing, second shell Right side is fixedly connected with the right side of first shell inner wall, and the lower surface of second shell is solid with the lower surface of first shell inner wall Fixed connection, the front and back of second shell are fixedly connected with the front and back of first shell inner wall respectively, and the first of right side The position that shaft surface is located at below second bearing is fixedly connected with first bevel gear, and first bevel gear is nibbled with second bevel gear It closes, second bevel gear is fixedly connected on the second roller end, and the surface of the second shaft is socketed with 3rd bearing, 3rd bearing clamping In the left side of second shell, the position that the second shaft surface is located on the left of 3rd bearing is fixedly connected with screw blade.
The upper surface of the support plate is fixedly connected by protective plate with the upper surface of first shell inner wall, and protective plate is just Face and the back side are fixedly connected with the front and back of first shell inner wall respectively.
Charge door is offered on the left side of the first shell, and charge door is close to first shell top.
The position that the first shell left side corresponds to charge door is provided with loading hopper.
The first shell left side is provided with discharge nozzle close to the position of bottom end, and the upper surface of discharge nozzle is provided with valve Door.
The four corners of the first shell lower surface are both provided with support leg, and the lower surface of four support legs is both provided with Friction pad.
The right side of the first shell is provided with power supply, and the output end of power supply is electrically connected with the input terminal of switch, switch It is arranged and is located at the position below loading hopper in first shell left side, the output end of switch is electrically connected with the input terminal of motor.
The motor is stepper motor.
Using the above structure, the output shaft of motor can be such that the second scroll wheel rotates when motor works, to which second rolls Wheel can be such that the first scroll wheel rotates by the second belt, so as to so that two first rotating shafts drive crushing knifes to be rotated, Simultaneously first rotating shaft second bevel gear can be made to rotate by first bevel gear, so as to so that screw blade rotate, so as to To be preferably stirred to raw material, while raw material accumulation is can effectively prevent, if while being driven using two first rotating shafts Dry crushing knife rotation, improves the stirring efficiency to raw material, and mashing is quick.
By the way that first rotating shaft, the first belt, the second belt, motor, crushing knife, first bevel gear, second bevel gear is arranged And screw blade, the output shaft of motor can be such that the second scroll wheel rotates when motor works, to which the second scroll wheel passes through second Belt can be such that the first scroll wheel rotates, so as to so that two first rotating shafts drive crushing knifes to be rotated, while first turn Axis can be such that second bevel gear rotates by first bevel gear, so as to so that screw blade rotates, so as to preferably right Raw material is stirred, while can effectively prevent raw material accumulation, while driving several crushing knifes using two first rotating shafts Rotation, improves the stirring efficiency to raw material, and mashing is quick.
By charge door, loading hopper, discharge nozzle and valve, more easily raw material can be put using charge door and loading hopper It sets in first shell, so as to the convenient stirring to raw material, will can be more easily stirred using discharge nozzle and valve Raw material released out of first shell, so as to preferably to raw material carry out subsequent production.
Compared with prior art, the production method of this fire-retardant brown paper has the advantages that this：By removal of impurities, be beaten, size mixing and Copy paper and etc., so that it may realize the production operation of brown paper, and the brown paper has preferable flame retardant property, it is convenient for production.
Description of the drawings
Fig. 1 is the cross-sectional view of beating apparatus.
Fig. 2 is the close-up schematic view at A in Fig. 1.
In figure, 1, first shell；2, support plate；3, first bearing；4, first rotating shaft；5, the first scroll wheel；6, the first skin Band；7, the second belt；8, the second scroll wheel；9, motor；10, through-hole；11, crushing knife；12, second bearing；13, second shell； 14, first bevel gear；15, second bevel gear；16, the second shaft；17,3rd bearing；18, screw blade；19, protective plate；20、 Charge door；21, loading hopper；22, discharge nozzle；23, valve；24, support leg；25, friction pad；26, power supply；27, it switchs.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.
This production method for sending out brown paper fire-retardant includes the following steps：
A, it cleans：By the good secondary stock of bleaching, cotton fiber slurry, straw pulp of rice and wheat and softwood pulp hydrabrusher into Row is discongested, and through high frequency vibrating frame screening and removing impurities matter, then through centrifugal screening, removes fibre bundle, and adjust a concentration of 3-5% of slurry； In the present embodiment, the good secondary stock of bleaching, cotton fiber slurry, straw pulp of rice and wheat and softwood pulp are carried out with hydrabrusher It discongests, through high frequency vibrating frame screening and removing impurities matter, then through centrifugal screening, removes fibre bundle, and adjust a concentration of the 3.5% of slurry；
B, it is beaten：After the pH value for adjusting slurry is 6.2-6.8, mashing processing is carried out by beating apparatus, beating time is 50-80min；In the present embodiment, after the pH value for adjusting slurry is 6.4, mashing processing, beating time are carried out by beating apparatus For 70min；
C, it sizes mixing：The slurry being beaten is put into mud pit, fire retardant and titanium dioxide are sequentially added, stirs 30- After 40min, the pH value of slurry is adjusted again as 5.5-6.5, and a concentration of 0.5-0.7% of diluted slurry；In the present embodiment, The slurry being beaten is put into mud pit, fire retardant and titanium dioxide are sequentially added, after stirring 35min, adjustment again is starched The pH value of material is 6.1, and a concentration of the 0.55% of diluted slurry；
D, copy paper：The slurry sized mixing is delivered in paper machine and carries out copy paper, most afterwards through dehydration, squeezing, drying and press polish Afterwards, fire-retardant brown paper is obtained.
Secondary stock, cotton fiber slurry, straw pulp of rice and wheat, softwood pulp, fire retardant and titanium dioxide parts by weight be：Secondary stock 60-80 parts, 12-16 parts of cotton fiber slurry, 8-14 parts of straw pulp of rice and wheat, 20-25 parts of softwood pulp, 1.5-2.5 parts of fire retardant and titanium white 3-5 parts of powder；In the present embodiment, the parts by weight of secondary stock, cotton fiber slurry, straw pulp of rice and wheat, softwood pulp, fire retardant and titanium dioxide Number is：3 parts of 70 parts of secondary stock, 13 parts of cotton fiber slurry, 9 parts of straw pulp of rice and wheat, 22 parts of softwood pulp, 2 parts of fire retardant and titanium dioxide；Resistance Combustion agent is using the existing auxiliary agent that can be bought in the market.
Drying temperature is 50-60 DEG C；In the present embodiment, drying temperature is 55 DEG C.
Drying time is 8-12min；In the present embodiment, drying time 11min.
In the present embodiment, the concentration of slurry refers to mass concentration.
As Figure 1-Figure 2, beating apparatus includes first shell 1, by the way that first shell 1 is arranged, can be carried out to raw material It places, while preferably raw material can be stirred, the right side and the right side of support plate 2 of 1 inner wall of first shell are fixed Connection, the right side of 1 inner wall of first shell is fixedly connected with the right side of support plate 2 by bolted connection；Support plate 2 Upper surface be fixedly connected with the upper surface of 1 inner wall of first shell by protective plate 19, can be to the by the way that support plate 2 is arranged One bearing 3 is fixed, so as to which crushing knife 11 is fixed, the front and back of protective plate 19 respectively with first shell The front and back of 1 inner wall is fixedly connected, and by the way that protective plate 19 is arranged, can prevent raw material from falling in support plate 2 influences first The rotation of scroll wheel 5 and the second scroll wheel 8, the front and back of support plate 2 front and back with 1 inner wall of first shell respectively Be fixedly connected, in support plate 2 clamping be socketed with first rotating shaft 4 in two first bearings 3 there are two first bearing 3, two the One shaft upper end has been fixedly connected with the first scroll wheel 5, and two first rotating shaft upper ends are fixedly connected with by way of key connection There is the first scroll wheel 5；And first scroll wheel 5 be located at the top of support plate 2；By the way that the first scroll wheel 5 is arranged, when the first rolling Crushing knife 11 and first bevel gear 14 can be made to rotate by first rotating shaft 4 when 5 rotation of wheel, and two the first scroll wheels 5 pass through First belt 6 is sequentially connected, and first scroll wheel 5 on right side is also sequentially connected with the second scroll wheel 8 by the second belt 7, the Two scroll wheels 8 are fixedly connected on 9 output shaft end of motor, and the second scroll wheel 8 is fixedly connected on motor 9 by way of key connection Output shaft end；Straight up, by the way that motor 9 is arranged, the output shaft of motor 9 can make the second rolling to 9 output shaft of motor when rotating Driving wheel 8 rotates, to which the second scroll wheel 8 can be such that the first scroll wheel 5 rotates by belt, fuselage and the first shell 1 of motor 9 Right side be fixedly connected, motor 9 be stepper motor；Second belt 7 is located at the through-hole 10 that 1 right side of first shell offers It is interior, charge door 20 is offered on the left side of first shell 1, and charge door 20, close to 1 top of first shell, first shell 1 is left The position that side corresponds to charge door 20 is provided with loading hopper 21, by the way that charge door 20 and loading hopper 21 is arranged, utilizes charge door 20 More easily raw material can be placed into first shell 1 with loading hopper 21, so as to the convenient stirring to raw material, first shell 1 left side of body is provided with discharge nozzle 22 close to the position of bottom end, and the upper surface of discharge nozzle 22 is provided with valve 23, by being provided Expects pipe 22 and valve 23 can more easily be put the raw material being stirred using discharge nozzle 22 and valve 23 out of first shell 1 Go out, so as to preferably carry out subsequent production to raw material, the four corners of 1 lower surface of first shell are both provided with support leg 24, And the lower surface of four support legs 24 is both provided with friction pad 25, by the way that support leg 24 and friction pad 25 is arranged, utilizes support leg 24 can preferably be supported first shell 1, and staff can be made more easily to take the raw material in first shell 1 Go out, can preferably increase the frictional force of support leg 24 and ground using friction pad 25, preferably first shell 1 can be carried out Fixed, the right side of first shell 1 is provided with power supply 26, and the output end of power supply 26 is electrically connected with the input terminal of switch 27, passes through Power supply 26 is set, the more easily electricity consumption of motor 9 can be made to work, the setting of switch 27 is located in 1 left side of first shell to be added The position of 21 lower section of hopper, the output end of switch 27 are electrically connected with the input terminal of motor 9, can be more preferable by the way that switch 27 is arranged Control motor 9 work, so as to be more easily stirred to raw material；Two 4 lower ends of first rotating shaft have several The quantity of crushing knife 11, crushing knife 11 is five；And crushing knife 11 is located at the lower section of support plate 2,4 surface of first rotating shaft on right side Position positioned at 11 lower section of crushing knife is socketed with second bearing 12, and second bearing 12 is connected in second shell 13, second shell 13 right side is fixedly connected with the right side of 1 inner wall of first shell, lower surface and 1 inner wall of first shell of second shell 13 Lower surface is fixedly connected, and the front and back of second shell 13 is fixedly connected with the front and back of 1 inner wall of first shell respectively, By setting second shell 13, raw material can effectively be avoided to influence the rotation of first bevel gear 14 and second bevel gear 15, and The position that 4 surface of first rotating shaft on right side is located at 12 lower section of second bearing is fixedly connected with first bevel gear 14, first bevel gear 14 engage with second bevel gear 15, and second bevel gear 15 is fixedly connected on 16 end of the second shaft, by the way that first bevel gear is arranged 14 and second bevel gear 15, the second shaft 16 can be made to rotate by second bevel gear 15 when first bevel gear 14 is rotated, from And screw blade 18 can be made to be rotated, the surface of the second shaft 16 is socketed with 3rd bearing 17, and 3rd bearing 17 is connected to The left side of second shell 13, the position that 16 surface of the second shaft is located at 17 left side of 3rd bearing are fixedly connected with screw blade 18, by the way that screw blade 18 is arranged, raw material accumulation is can effectively prevent when screw blade 18 rotates, while discharging when utilizing Pipe 22 can accelerate the mass rate of emission to raw material when being discharged to raw material.
The operation principle of beating apparatus is as follows：Motor 9 is controlled by switch 27 to work, the output shaft of motor 9 drives second Scroll wheel 8 rotates, to which the second scroll wheel 8 drives first scroll wheel 5 on right side to rotate by belt, first scroll wheel on right side 5 drive first scroll wheel 5 in left side to rotate by the first belt 6, so as to so that two first rotating shafts 4 rotate, so as to Crushing knife 11 is set to rotate, while the first rotating shaft 4 on right side can be such that second bevel gear 15 rotates by first bevel gear 14, to Second bevel gear 15 can be such that screw blade 18 rotates by the second shaft 16, and raw material is put using loading hopper 21 from charge door 20 Enter in first shell 1, to which crushing knife 11 and screw blade 18 can be stirred raw material, while screw blade 18 can have Effect prevents raw material accumulation in the first shell 1, opens raw material that valve 23 can complete stirring after a certain period of time from first It releases in shell 1, valve 23 is closed after raw material is released and is stopped by the control motor 9 of switch 27.
It can to sum up obtain, be bored by the way that first rotating shaft 4, the first belt 6, the second belt 7, motor 9, crushing knife 11, first is arranged Gear 14, second bevel gear 15 and screw blade 18, the output shaft of motor 9 can make 8 turns of the second scroll wheel when motor 9 works It is dynamic, to which the second scroll wheel 8 can be such that the first scroll wheel 5 rotates by the second belt 7, so as to so that two first rotating shafts 4 Crushing knife 11 is driven to be rotated, while first rotating shaft 4 can be such that second bevel gear 15 rotates by first bevel gear 14, to Screw blade 18 can be made to rotate, so as to be preferably stirred to raw material, while can effectively prevent raw material accumulation, It drives several crushing knifes 11 to rotate using two first rotating shafts 4 simultaneously, improves the stirring efficiency to raw material.
Meanwhile the beating apparatus of the cardboard utilizes charging by charge door 20, loading hopper 21, discharge nozzle 22 and valve 23 Raw material can be more easily placed into first shell 1 by mouth 20 and loading hopper 21, so as to the stirring of convenient raw material, profit More easily the raw material being stirred can be released out of first shell 1 with discharge nozzle 22 and valve 23, so as to better Subsequent production is carried out to raw material.
Meanwhile the beating apparatus of the cardboard can be more preferable using support leg 24 by the way that support leg 24 and friction pad 25 is arranged First shell 1 is supported, can make staff more easily by first shell 1 raw material take out, utilize friction Pad 25 can preferably increase the frictional force of support leg 24 and ground, and preferably first shell 1 can be fixed.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (8)

1. a kind of production method of fire-retardant brown paper, which is characterized in that include the following steps：
A, it cleans：The good secondary stock of bleaching, cotton fiber slurry, straw pulp of rice and wheat and softwood pulp are dredged with hydrabrusher Solution through high frequency vibrating frame screening and removing impurities matter, then through centrifugal screening, removes fibre bundle, and adjust a concentration of 3-5% of slurry；
B, it is beaten：After the pH value for adjusting slurry is 6.2-6.8, mashing processing, beating time 50- are carried out by beating apparatus 80min；
C, it sizes mixing：The slurry being beaten is put into mud pit, fire retardant and titanium dioxide are sequentially added, stirs 30-40min Afterwards, the pH value of slurry is adjusted again as 5.5-6.5, and a concentration of 0.5-0.7% of diluted slurry；
D, copy paper：The slurry sized mixing is delivered in paper machine and carries out copy paper, is most obtained after dehydration, squeezing, drying and press polish afterwards To fire-retardant brown paper.
2. the production method of fire-retardant brown paper according to claim 1, which is characterized in that the secondary stock, cotton fiber slurry, Straw pulp of rice and wheat, softwood pulp, fire retardant and titanium dioxide parts by weight be：60-80 parts of secondary stock, cotton fiber starch 12-16 parts, rice 3-5 parts of 8-14 parts of Straw Pulp, 20-25 parts of softwood pulp, 1.5-2.5 parts of fire retardant and titanium dioxide.
3. the production method of fire-retardant brown paper according to claim 1, which is characterized in that the drying temperature is 50-60 ℃。
4. the production method of fire-retardant brown paper according to claim 3, which is characterized in that the drying time is 8- 12min。
5. the production method of fire-retardant brown paper according to claim 1, which is characterized in that the beating apparatus includes first The right side of shell, the first shell inner wall is fixedly connected with the right side of support plate, the front and back difference of support plate It is fixedly connected with the front and back of first shell inner wall, first bearing there are two clampings in support plate, in two first bearings It is socketed with first rotating shaft, two first rotating shaft upper ends have been fixedly connected with the first scroll wheel, and two the first scroll wheels pass through One belt transmission connects, and first scroll wheel on right side is also sequentially connected with the second scroll wheel by the second belt, the second scroll wheel It is fixedly connected on motor output shaft end, motor output shaft straight up, fix by the fuselage of motor and the right side of first shell Connection；Two first rotating shaft lower ends have several crushing knifes, the first rotating shaft surface on right side to be located at the position below crushing knife It is socketed with second bearing, second bearing is clamped on the second housing, the right side of the right side and first shell inner wall of second shell Face is fixedly connected, and the lower surface of second shell is fixedly connected with the lower surface of first shell inner wall, the front of second shell and the back of the body Face is fixedly connected with the front and back of first shell inner wall respectively, and the first rotating shaft surface on right side is located at below second bearing Position is fixedly connected with first bevel gear, and first bevel gear is engaged with second bevel gear, and second bevel gear is fixedly connected on second The surface of roller end, the second shaft is socketed with 3rd bearing, and 3rd bearing is connected to the left side of second shell, the second shaft The position that surface is located on the left of 3rd bearing is fixedly connected with screw blade.
6. the production method of fire-retardant brown paper according to claim 5, which is characterized in that the upper surface of the support plate is logical Protective plate is crossed to be fixedly connected with the upper surface of first shell inner wall, the front and back of protective plate respectively with first shell inner wall Front and back is fixedly connected.
7. the production method of fire-retardant brown paper according to claim 1, which is characterized in that the left side of the first shell On offer charge door, and charge door is close to first shell top.
8. the production method of fire-retardant brown paper according to claim 7, which is characterized in that the first shell left side pair The position of charge door is answered to be provided with loading hopper.
CN201810170318.2A 2018-03-01 2018-03-01 A kind of production method of fire-retardant brown paper Withdrawn CN108532356A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111472189A (en) * 2019-01-24 2020-07-31 四川省皓迪纸品有限公司 Production of domestic paper is with being equipped with thick liquid device
CN111929195A (en) * 2020-08-05 2020-11-13 深圳市检验检疫科学研究院 Method for detecting regenerated pulp inclusion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111472189A (en) * 2019-01-24 2020-07-31 四川省皓迪纸品有限公司 Production of domestic paper is with being equipped with thick liquid device
CN111929195A (en) * 2020-08-05 2020-11-13 深圳市检验检疫科学研究院 Method for detecting regenerated pulp inclusion

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