CN108277675A - A method of producing copy paper with deinking recycled pulp - Google Patents

A method of producing copy paper with deinking recycled pulp Download PDF

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Publication number
CN108277675A
CN108277675A CN201810031320.1A CN201810031320A CN108277675A CN 108277675 A CN108277675 A CN 108277675A CN 201810031320 A CN201810031320 A CN 201810031320A CN 108277675 A CN108277675 A CN 108277675A
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CN
China
Prior art keywords
agitator
slurry
rack
inlet tube
fixing sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810031320.1A
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Chinese (zh)
Inventor
甘木林
何县香
林文奕
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QUANZHOU HUAXIANG PAPER CO Ltd
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QUANZHOU HUAXIANG PAPER CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by QUANZHOU HUAXIANG PAPER CO Ltd filed Critical QUANZHOU HUAXIANG PAPER CO Ltd
Priority to CN201810031320.1A priority Critical patent/CN108277675A/en
Publication of CN108277675A publication Critical patent/CN108277675A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/805—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis wherein the stirrers or the receptacles are moved in order to bring them into operative position; Means for fixing the receptacle
    • B01F27/806—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis wherein the stirrers or the receptacles are moved in order to bring them into operative position; Means for fixing the receptacle with vertical displacement of the stirrer, e.g. in combination with means for pivoting the stirrer about a vertical axis in order to co-operate with different receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/40—Mixers with shaking, oscillating, or vibrating mechanisms with an axially oscillating rotary stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/716—Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • 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
    • D21H17/66—Salts, e.g. alums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/47—Mixing of ingredients for making paper pulp, e.g. wood fibres or wood pulp

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)

Abstract

The invention discloses a kind of deinking recycled pulp agitating devices, including agitator.This further bleaches Deinking Pulp by sodium hypochlorite using the method for Deinking Pulp production copy paper, and first heater riser temperature, then Temperature fall so that the molecular motion of the deinked stock after heating aggravates, after sodium hypochlorite is added, it can be reacted rapidly, reaction effect is preferable.And the slurry containing lumber fibre, the slurry containing bast fiber are mixed into deinked stock, the fiber of deinked stock is made up using the fiber of two kinds of slurries, improve the tensile strength of paper, after being molded paper, fragmentary fiber in deinked stock will be filled up between the fiber of two kinds of slurries, so that the pulling force for the copy paper that newly molding paper is obtained with usual method is almost the same.And sodium bicarbonate is added, the spacing between longer fiber can be made to pull open, to be more advantageous to filling up for fragmentary fiber, and does not influence its transparency.

Description

A method of producing copy paper with deinking recycled pulp
Technical field
The present invention relates to copy paper technical field more particularly to a kind of methods producing copy paper with deinking recycled pulp.
Background technology
Copy paper is a kind of quite high high culture industrial paper of production difficulty, and the technical characteristic of the product is predominantly such as Under：With higher physical strength, the excellent uniformity and transparency and good surface nature, fine and smooth, smooth, smooth, dirt It is angstrom few, without bubble husky, good printability.In waste paper recycling, it can be obtained by modes such as size degradation, filtering, bleachings To deinked stock, but this deinked stock can be used directly when making generally of paper, and when producing copy paper often It is difficult to be utilized.Because its fiber is more fragmentary, keep its pulling force insufficient；Because its color often insufficient for copy paper have compared with Good transparency；Because it is relatively low that it agglomerates degree so that paper surface is susceptible to crude phenomenon.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and propose a kind of with the life of deinking recycled pulp The method for producing copy paper.
To achieve the goals above, present invention employs following technical solutions：
The side wall of a kind of deinking recycled pulp agitating device, including agitator, agitator is connected separately with feed pipe and discharge nozzle, institute It states and is connected with the first fixing sleeve at the top of agitator, one end of l-shaped rod is plugged in the first fixing sleeve, the other end of l-shaped rod connects It is connected to motor, the output end of motor is connected with one end of agitating shaft, and the other end of agitating shaft runs through roof and the connection of agitator There are paddle, first fixing sleeve to be equipped with the first port close to the side wall of motor, the inner wall of the first port, which is rotatably connected to, to be determined Pulley, the first fixing sleeve are connected with the second fixing sleeve close to the side of motor, and the inner wall of the second fixing sleeve is connected by the first spring It is connected to rack, the roof of the second fixing sleeve is equipped with the second port, and the inner wall of the second port is rotatably connected to rotation axis, in rotation axis Be socketed with rack meshed gears, one end of connecting line is wound in the rotation axis, the other end of connecting line is around fixed sliding Wheel is connect with the one end of l-shaped rod far from motor, and the disk that same level is in rack, disk are socketed on the agitating shaft Outer ring be connected with arc block, the side wall of the agitator is connected with liquid-adding device, and motor is connect with external power supply by conducting wire Form a series circuit.
Preferably, the liquid-adding device includes the inlet tube with agitator perforation connection, and inlet tube is L-shaped, inlet tube position One end outside agitator is removably connected with reagent bottle, and inlet tube be located inside agitator one section is plugged with slide plate, sliding Inlet opening corresponding with feed liquor pipe orifice is arranged on plate, the lower end of slide plate is connected with flaps, and is socketed on slide plate The both ends of two springs, second spring are connect with flaps and inlet tube respectively.
Preferably, the reagent bottle and inlet tube are to be threadedly coupled.
Preferably, the width of the slide plate is between the interior diameter and overall diameter of inlet tube.
Preferably, the rack is rotatably connected to idler wheel close to one end of disk.
Preferably, it there are three the numbers of first fixing sleeve, and is angularly distributed between three the first fixing sleeves.
Preferably, the number of the arc block and the number of rack are identical.
A method of copy paper being produced with deinking recycled pulp, is included the following steps：
S1, it will be heated to 95-100 DEG C less than 1.5% slurry containing black rate, then cooling temperature is to 45-50 DEG C, cooling time 30min is then drained into agitator, and motor drives disk and paddle to rotate respectively by agitating shaft, stirs slurry, arc block It offsets with rack interval, rack moves back and forth, and rack and pinion engagement, gear band turn moving axis is intertwined and connected line, drives motor It moves up and down, keeps slurry agitation more uniform, the continuous impact resistance plate of slurry, under the action of second spring, slide plate is done up and down Mobile, when inlet opening is connected to inlet tube, the sodium hypochlorite bleaching agent in reagent bottle, which flows into agitator, is bleached, secondary chlorine Sour sodium dosage is 30-40ml/L, impregnates and stands 1.5-2.5h, finally salvages the floating ink in upper layer and impurity；
The slurry containing lumber fibre and bast fiber, the parts by weight of gained mixed slurry are added in S2, the slurry after bleaching 12-16 parts of the slurry for 36-40 parts of Deinking Pulp, containing lumber fibre, 14-18 parts of the slurry containing bast fiber；
S3, sodium bicarbonate is added in mixed slurry, under conditions of rotating speed 500-600r/min, stirs 12-14min, then Sealing and standing 4-5h, sodium bicarbonate dosage 1.6-2 ㎏/ton；
S4, mixed slurry output carry out paper membrane molding → dehydration → drying → gluing → press polish.
Compared with prior art, the beneficial effects of the invention are as follows：This method for producing copy paper using Deinking Pulp, by secondary Sodium chlorate further bleaches Deinking Pulp, and first heater riser temperature, then Temperature fall so that de- after heating The molecular motion of black slurry aggravates, and after sodium hypochlorite is added, can be reacted rapidly, reaction effect is preferable.And in deinking The slurry containing lumber fibre, the slurry containing bast fiber are mixed into slurry, using the fiber of two kinds of slurries to the fibre of deinked stock Dimension is made up, and the tensile strength of paper is improved, and after being molded paper, the fragmentary fiber in deinked stock will be filled up in two kinds of slurries Fiber between so that the pulling force for the copy paper that new molding paper and usual method obtain is almost the same.And it is added Sodium bicarbonate can make the spacing between longer fiber pull open, to be more advantageous to filling up for fragmentary fiber, and after fermentation Mixed slurry, can have better transparency.
Description of the drawings
Fig. 1 is structural schematic diagram proposed by the present invention；
Fig. 2 is the structural schematic diagram of disk.
In figure：Gear 1, fixed pulley 2, l-shaped rod 3, the first fixing sleeve 4, feed pipe 5, paddle 6, agitator 7, the first bullet Spring 8, disk 10, the second fixing sleeve 11, second spring 12, motor 13, connecting line 14, reagent bottle 15, inlet tube 16, is slided rack 9 Plate 17, agitating shaft 18, discharge nozzle 19, arc block 20.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of deinking recycled pulp agitating device, including agitator 7, the side wall of agitator 7 are connected separately with The top of feed pipe 5 and discharge nozzle 19, agitator 7 is connected with the first fixing sleeve 4, and l-shaped rod 3 is plugged in the first fixing sleeve 4 The other end of one end, l-shaped rod 3 is connected with motor 13, and the output end of motor 13 is connected with one end of agitating shaft 18, agitating shaft 18 The other end runs through the roof of agitator 7 and is connected with paddle 6, and the first fixing sleeve 4 is equipped with first close to the side wall of motor 13 and leads to Mouthful, the inner wall of the first port is rotatably connected to fixed pulley 2, and there are three the numbers of the first fixing sleeve 4, and three the first fixing sleeves 4 Between be angularly distributed, the number of arc block 20 is identical as the number of rack 9, the first fixing sleeve 4 close to motor 13 side connect It is connected to the second fixing sleeve 11, the inner wall of the second fixing sleeve 11 is connected with rack 9, the top of the second fixing sleeve 11 by the first spring 8 Wall is equipped with the second port, and the inner wall of the second port is rotatably connected to rotation axis, is socketed in rotation axis and 9 meshed gears of rack 1, rack 9 is rotatably connected to idler wheel close to one end of disk 10, reduces friction, one end of connecting line 14 is wound in rotation axis, The other end of connecting line 14 connect around fixed pulley 2 with the one end of l-shaped rod 3 far from motor 13, is socketed on agitating shaft 18 and tooth Item 9 is in the disk 10 of same level, and the outer ring of disk 10 is connected with arc block 20, and the side wall of agitator 7 is connected with liquid feeding Device, liquid-adding device include the inlet tube 16 with the perforation connection of agitator 7, and inlet tube 16 is L-shaped, and inlet tube 16 is located at agitator One end outside 7 is removably connected with reagent bottle 15, and be located inside agitator 7 one section of inlet tube 16 is plugged with slide plate 17, sliding It is arranged with inlet opening corresponding with 16 endoporus of inlet tube on plate 17, the lower end of slide plate 17 is connected with flaps, on slide plate 17 It is socketed with second spring 12, the both ends of second spring 12 are connect with flaps and inlet tube 16 respectively, when slurry agitation, slurry Flaps movement is driven, realizes automatic addition bleaching agent, reagent bottle 15 and inlet tube 16 are to be threadedly coupled, convenient for replacing, slide plate For 17 width between the interior diameter and overall diameter of inlet tube 16, motor 13 connect composition one with external power supply by conducting wire Series circuit.
Embodiment 1
A method of copy paper being produced with deinking recycled pulp, is included the following steps：
S1,95 DEG C will be heated to less than 1.5% slurry containing black rate, then cooling temperature is to 45 DEG C, cooling time 30min, then It is discharged into agitator 7, motor 13 drives disk 10 and paddle 6 to rotate respectively by agitating shaft 18, stirs slurry, arc block 20 It offsets with 9 interval of rack, rack 9 moves back and forth, and rack 9 engages with gear 1, and the drive of gear 1 rotation axis is intertwined and connected line 14, band Dynamic motor 13 moves up and down, and keeps slurry agitation more uniform, the continuous impact resistance plate of slurry, under the action of second spring 12, Slide plate 17 moves up and down, and when inlet opening is connected to inlet tube 16, the sodium hypochlorite bleaching agent in reagent bottle 15 flows into stirring It is bleached in bucket 7, sodium hypochlorite dosage is 30ml/L, impregnates and stands 1.5h, finally salvages the floating ink in upper layer and impurity；
The slurry containing lumber fibre and bast fiber, the parts by weight of gained mixed slurry are added in S2, the slurry after bleaching 12 parts of the slurry for 36 parts of Deinking Pulp, containing lumber fibre, 14 parts of the slurry containing bast fiber；
S3, sodium bicarbonate is added in mixed slurry, under conditions of rotating speed 500r/min, stirs 12min, then sealing and standing 4h, 1.6 ㎏ of sodium bicarbonate dosage/ton；
S4, mixed slurry output carry out paper membrane molding → dehydration → drying → gluing → press polish.
Embodiment 2
A method of copy paper being produced with deinking recycled pulp, is included the following steps：
S1,100 DEG C will be heated to less than 1.5% slurry containing black rate, then cooling temperature is to 50 DEG C, cooling time 30min, so After be discharged into agitator 7, motor 13 drives disk 10 and paddle 6 to rotate respectively by agitating shaft 18, stirs slurry, arc block 20 and 9 interval of rack offset, rack 9 moves back and forth, and rack 9 engages with gear 1, and the drive of gear 1 rotation axis is intertwined and connected line 14, It drives motor 13 to move up and down, keeps slurry agitation more uniform, the continuous impact resistance plate of slurry, in the effect of second spring 12 Under, slide plate 17 moves up and down, and when inlet opening is connected to inlet tube 16, the sodium hypochlorite bleaching agent inflow in reagent bottle 15 is stirred It mixes and is bleached in bucket 7, sodium hypochlorite dosage is 40ml/L, impregnates and stands 2.5h, finally salvages the floating ink in upper layer and impurity；
The slurry containing lumber fibre and bast fiber, the parts by weight of gained mixed slurry are added in S2, the slurry after bleaching 16 parts of the slurry for 40 parts of Deinking Pulp, containing lumber fibre, 18 parts of the slurry containing bast fiber；
S3, sodium bicarbonate is added in mixed slurry, under conditions of rotating speed 600r/min, stirs 14min, then sealing and standing 5h, 2 ㎏ of sodium bicarbonate dosage/ton；
S4, mixed slurry output carry out paper membrane molding → dehydration → drying → gluing → press polish.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of deinking recycled pulp agitating device, including agitator（7）, agitator（7）Side wall be connected separately with feed pipe（5） And discharge nozzle（19）, which is characterized in that the agitator（7）Top be connected with the first fixing sleeve（4）, the first fixing sleeve（4） Inside it is plugged with l-shaped rod（3）One end, l-shaped rod（3）The other end be connected with motor（13）, motor（13）Output end be connected with Agitating shaft（18）One end, agitating shaft（18）The other end run through agitator（7）Roof and be connected with paddle（6）, described First fixing sleeve（4）Close to motor（13）Side wall be equipped with the first port, the inner wall of the first port is rotatably connected to fixed pulley （2）, the first fixing sleeve（4）Close to motor（13）Side be connected with the second fixing sleeve（11）, the second fixing sleeve（11）Inner wall Pass through the first spring（8）It is connected with rack（9）, the second fixing sleeve（11）Roof be equipped with the second port, the inner wall of the second port It is rotatably connected to rotation axis, is socketed in rotation axis and rack（9）Meshed gears（1）, connection is wound in the rotation axis Line（14）One end, connecting line（14）The other end bypass fixed pulley（2）With l-shaped rod（3）Far from motor（13）One end connection, The agitating shaft（18）On be socketed with and rack（9）Disk in same level（10）, disk（10）Outer ring be connected with Arc block（20）, the agitator（7）Side wall be connected with liquid-adding device, motor（13）Group is connect by conducting wire with external power supply At a series circuit.
2. a kind of deinking recycled pulp agitating device according to claim 1, which is characterized in that the liquid-adding device include with Agitator（7）Penetrate through the inlet tube of connection（16）, inlet tube（16）It is L-shaped, inlet tube（16）Positioned at agitator（7）External one End is removably connected with reagent bottle（15）, inlet tube（16）Positioned at agitator（7）Internal one section is plugged with slide plate（17）, slide plate （17）On be arranged with and inlet tube（16）The corresponding inlet opening of endoporus, slide plate（17）Lower end be connected with flaps, slide plate （17）On be socketed with second spring（12）, second spring（12）Both ends respectively with flaps and inlet tube（16）Connection.
3. a kind of deinking recycled pulp agitating device according to claim 2, which is characterized in that the reagent bottle（15）With into Liquid pipe（16）To be threadedly coupled.
4. a kind of deinking recycled pulp agitating device according to claim 2, which is characterized in that the slide plate（17）Width Between inlet tube（16）Interior diameter and overall diameter between.
5. a kind of deinking recycled pulp agitating device according to claim 1, which is characterized in that the rack（9）Close to circle Disk（10）One end be rotatably connected to idler wheel.
6. a kind of deinking recycled pulp agitating device according to claim 1, which is characterized in that first fixing sleeve（4） Number there are three, and three the first fixing sleeves（4）Between be angularly distributed.
7. a kind of deinking recycled pulp agitating device according to claim 1, which is characterized in that the arc block（20）Number Mesh and rack（9）Number it is identical.
8. it is a kind of using in claim 1 deinking recycled pulp agitating device produce copy paper method, which is characterized in that including with Lower step：
S1, it will be heated to 95-100 DEG C less than 1.5% slurry containing black rate, then cooling temperature is to 45-50 DEG C, cooling time 30min then drains into agitator（7）In, motor（13）Pass through agitating shaft（18）Disk is driven respectively（10）And paddle（6）Turn It is dynamic, stir slurry, arc block（20）And rack（9）Interval offsets, rack（9）It moves back and forth, rack（9）With gear（1）Engagement, Gear（1）Rotation axis is driven to be intertwined and connected line（14）, drive motor（13）It moves up and down, keeps slurry agitation more uniform, slurry Continuous impact resistance plate, in second spring（12）Under the action of, slide plate（17）It moves up and down, when inlet opening and inlet tube（16） When connection, reagent bottle（15）In sodium hypochlorite bleaching agent flow into agitator（7）In bleached, sodium hypochlorite dosage is 30-40ml/L impregnates and stands 1.5-2.5h, finally salvages the floating ink in upper layer and impurity；
The slurry containing lumber fibre and bast fiber, the parts by weight of gained mixed slurry are added in S2, the slurry after bleaching 12-16 parts of the slurry for 36-40 parts of Deinking Pulp, containing lumber fibre, 14-18 parts of the slurry containing bast fiber；
S3, sodium bicarbonate is added in mixed slurry, under conditions of rotating speed 500-600r/min, stirs 12-14min, then Sealing and standing 4-5h, sodium bicarbonate dosage 1.6-2 ㎏/ton；
S4, mixed slurry output carry out paper membrane molding → dehydration → drying → gluing → press polish.
CN201810031320.1A 2018-01-12 2018-01-12 A method of producing copy paper with deinking recycled pulp Pending CN108277675A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113106774A (en) * 2021-04-21 2021-07-13 浙江山鹰纸业有限公司 Deinking recycling method applied to office waste paper
CN114384944A (en) * 2022-01-14 2022-04-22 上海淳禧应用技术股份有限公司 Stable humidity generating device based on permeation tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113106774A (en) * 2021-04-21 2021-07-13 浙江山鹰纸业有限公司 Deinking recycling method applied to office waste paper
CN114384944A (en) * 2022-01-14 2022-04-22 上海淳禧应用技术股份有限公司 Stable humidity generating device based on permeation tube

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Application publication date: 20180713