CN109024025A - A kind of waste paper regenerating process method - Google Patents
A kind of waste paper regenerating process method Download PDFInfo
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- CN109024025A CN109024025A CN201811061852.6A CN201811061852A CN109024025A CN 109024025 A CN109024025 A CN 109024025A CN 201811061852 A CN201811061852 A CN 201811061852A CN 109024025 A CN109024025 A CN 109024025A
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- waste paper
- paper
- process method
- regenerating process
- fiber
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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
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
- D21B1/325—Defibrating by other means of waste paper de-inking devices
-
- 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
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F13/00—Making discontinuous sheets of paper, pulpboard or cardboard, or of wet web, for fibreboard production
-
- 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 belongs to resource regeneration technical fields, a kind of waste paper regenerating process method is provided, including the pre- deinking of atomizing humidifying performance, solid deinking agent, ultrasonic wave again deinking, cutting centrifuge separation, suspension fiber, again additives mixeds, negative pressure and gravity and the vibration such as atomizing humidifying performance, heat molten type fiber binder and heating it is hot sticky form, several steps such as fast cooling and cutting.Waste paper regenerating process method of the invention is a kind of waste paper regenerated method of dry type, the different prior arts, there is no the introducing of a large amount of water in early period, water is not needed to clean as carrier, it is subsequent also not need complicated wastewater treatment process, based on this, waste paper regenerated step and condition are simplified, improves waste paper regenerated efficiency and speed.Existing waste paper regenerated place can be become the places such as enterprise, school, community from paper mill by waste paper regenerating process of the invention to be come using operability is high, and using effect is high, and pole is conducive to the popularization and use of socialization, is of great significance for environmental protection.
Description
Technical field
The invention belongs to resource regeneration technical fields, and in particular to a kind of waste paper regenerating process method.
Background technique
Paper is the carrier of information and a kind of basic means of production of modern society.The development degree of paper industry and state
People's economic development and social civilization construction are closely bound up.The main component of paper is fiber, and main source is timber, along with me
The fast development of society of state, a large amount of paper requirements create a large amount of lumber consumption.Since 20th century, people are more next
The recyclable sustainable development of green is more focused on, paper is that people attempt to be recycled earliest benefit again as the important means of production
One of substance.
People conduct extensive research the recycling technology of waste paper, the main technique of existing Waste paper regeneration technology
Process include soak in water, be beaten, deinking, bleaching, dehydration, drying, there are following many this Waste paper regeneration technology
Defect:
First, it usually needs water is additionally newly added as carrier, and added with environmentally harmful processing compound etc..Cause
This, can usually generate in present recycled writing paper paper industry production with a large amount of waste water.Great lot of water resources is wasted, meanwhile,
The direct discharging of waste water of generation pollutes the environment, and carries out again the cost of water treatment that purified treatment then needs to pay great number.In short, passing
The waste paper regenerating process of system will lead to the waste of cost, environmental disruption and resource.
Second, usual process is relatively complicated, and the loss of every step reduces waste paper regenerated rate, occupies a large amount of time, and
And these steps are required to large scale equipment, so recycled writing paper domestic at present is both from waste paper regenerated integrated mill, due to
The utilization of more large scale equipment, very complicated technology can not be promoted in microcommunity.Simultaneously as it regenerates office of group
It is limited to factory, so can also be related to waste paper collection in regeneration link, screens, transport, and complete in different factories different
Process, has involved manpower among this and a large amount of of material resources cost are risen.In short, traditional waste paper regenerating process applicable object
Narrow, technology itself is cumbersome, appointed condition requirement is harsh, waste paper regenerated rate is low, manpower and material resources cost consumption is high.
Third, recycled writing paper technology, the purpose of core the most be exactly protect environment, and due to the technique of existing recycled writing paper lack
It falls into, so that cost is soaring, and the country does not define recycled writing paper explicitly at present, leads to many regeneration factories to save into
This, only uses 20% regenerated paper pulp, remaining is then replaced with staple fibre or wood-fibred, is reduced costs, and recycled writing paper is turned on
Name sold on the market, not truly protect environment by this waste paper regenerated means.
Such as:
Chinese invention patent application " the waste paper regenerated device and its use based on bioanalysis of publication number CN106948202B
Method " discloses a kind of Waste paper regeneration technology, and it includes there is following steps, step S1 provides waste paper regenerated device；Step
S2, paper supply；Step S3 impregnates；Step S4, pulping；Step S5, deinking；Step S6, dehydration；Step S7 flattens drying.
The Chinese invention patent application " waste paper regeneration environmental protection device and method " of publication number CN101798768A, also discloses
A kind of Waste paper regeneration technology, it includes there is a hydrabrusher, the first stock tank, the first sand cleaning machine, slanted screen, the second stock tank, fiberizer,
Third stock tank, header box, the 4th stock tank, the second sand cleaning machine, pressurized screen, paper machine, boiler, reaction tank and sewage water filtration pond.
A kind of Chinese invention patent application " Waste paper regeneration technology of non-wastewater discharge " of publication number CN1247249, equally
Also disclose a kind of Waste paper regeneration technology comprising waste paper is entered into net cage after hydraulic pulping, pulp washing, dehydration, grinding, removing sand
Collect, then carry out paper machine papermaking, wherein it is described remove sand before paper pulp with the color water ejected from net cage and from papermaking
The plain boiled water of machine is arranged successively and is connected in a mixing pit with clear water, and the plain boiled water can also supplement hydraulic pulping water and washing is used
Water.
Obvious, the waste paper regenerated patent application technology of three above is required to add in the first step for carrying out Waste Paper Handling
Enter a large amount of water to be impregnated or be beaten, due to introducing a large amount of water, not only reduced recycled writing paper regeneration efficiency, but also after will lead to
Continue a series of the soaring of costs, and the influence for environment.Simultaneously, it is clear that, three waste paper regenerated patent application technical stafves
Skill step is relatively complicated, is required to a large amount of industrial equipment, also limits the extensive use of its technology to a certain extent.
Summary of the invention
In order to solve the above problems existing in the present technology, the primary purpose of the present invention is that providing a kind of completely new waste paper
Process of regenerating, the waste paper regenerating process method promote waste paper regenerated efficiency, and avoid by avoiding the introducings of a large amount of water
The generation of a large amount of waste water reduces recycled writing paper technique production cost.
Based on the above technical purpose, waste paper regenerating process method provided by the present invention the following steps are included:
S1 takes waste paper, and carries out atomizing humidifying performance to waste paper；
S2 is added solid deinking agent and carries out pre- deinking；
S3 is cut into item, and is centrifuged；
S4 takes the resulting middle section fibre in centrifugal separation processes middle section, and is suspended by air flow swirl；
The moisturizing of additive atomized water is added in S5；
The heat molten type fiber binder that additive granulates after high pressure acts on is added in S6；
S7 is uniform by middle section fibre and each additives mixed by air flow swirl；
S8 stops air flow swirl, falls in mixed middle section fibre and each additive on a shape side surface into the net；
S9 to form online middle section fibre and each additive heats to falling in, and makes its bonding；
S10 extrusion forming obtains paper blank, is cut after cooling down to obtain the final product.
Based on above technical scheme, waste paper regenerating process method provided by the present invention avoids drawing for a large amount of water early period
Enter, so subsequent also without the generation of waste water.It is gentle using centrifugal effect by utilizing the difference of specific gravity of each ingredient in step s3
Stream lifts effect, directly carries out the separation of impurity.It techniques, the processing step such as is dehydrated again compared to traditional waste water succinctly to facilitate.
It is high-efficient, and waste paper regenerated efficiency can be obviously improved.
In order to enable the ink adhered on waste paper can be smoothly detached from from paper fibre, on the basis of the above core scheme
On, specific embodiment according to the present invention, in S1: after atomizing humidifying performance, the humidity of waste paper paper is 90%-100%.Keep useless
Paper paper has certain humidity, and subsequent deinking agent is enabled to be come into full contact with waste paper paper, and ink is fine from paper
It is separated in dimension.
On the basis of the above core scheme, specific embodiment according to the present invention, in S2: the solid deinking agent is
Granular solids deinking agent, the addition quality of the solid deinking agent are 1.5-5 times of the quality of waste paper.Using granular solid
Deinking agent increases and separates ink so that smoothly scraping lower ink from paper fiber with paper contact friction force.Pass through
1.5 times or more of solid deinking agent additive amount, so that solid deinking agent weight is established one's own system enough, and can be in next step
In centrifugal separation processes, it can be used as entirety and separated, in order to weight of the solid deinking agent in next batch is waste paper regenerated
It is multiple to recycle, promote resource utilization.
On the basis of the above core scheme, specific embodiment according to the present invention, step S2 and S3 are in fiber point
It disembarks middle progress；It contacts solid deinking agent with waste paper and carries out pre- deinking, it, can under the conditions of Stirring
So that solid deinking agent and waste paper carry out contact-impact friction repeatedly, and then the ink adhered on paper is carried out further clear
It removes；Introduced meanwhile in order to further enhance Deinking Efficiency, between S2 and S3 ultrasonic wave again deinking the step of, under ultrasound condition,
It can make the ink particle resonance motion on paper, increase its kinetic energy, and then promote further significant its and fall off from paper
Efficiency and effect, the supersonic frequency of the ultrasonic wave are 30-65KHz；Use blade by waste paper under the conditions of centrifugal rotation in S3
The cotton-shaped paper fiber of cutting into strips.
The separation for needing to carry out impurity after the completion of deinking, different from the mode of existing dehydrating and removing impurities, in the above core side
On the basis of case, specific embodiment according to the present invention, the present invention in S3 in defibrator by blade rotation
Air-flow is generated, under air-flow drive and under centrifugal action, gets rid of the heavier fiber containing impurity from the tail end of defibrator
Out, the relatively light impurity containing ink and carbon dust is discharged from the top of defibrator, can the middle section fibre of recycling be located at fiber
The middle part of seperator.By lifting effect by centrifugation benefit and air-flow, by difference of specific gravity, the quick height of different impurities is realized
Effect separation.
The producing method of air flow swirl can be it is diversified, as long as can be realized middle section fiber suspension in order to rear
Continue the smooth uniform of various additives, a kind of implementation of specific air flow swirl is also provided in the present invention.Above
On the basis of core scheme, middle section fibre is placed in container in S4, and the surrounding side wall installation nozzle in container, outside nozzle
Air pump is connect, the air-flow that nozzle sprays is circulated along container inner wall, generates air-flow vortex.As another optional air flow swirl
Implementation, rotary fan can be installed in a reservoir, air flow swirl is generated by the rotation of rotary fan in a reservoir.Rotation
Any suitable position in container can be designed by turning flabellum, for example setting generates air-flow at middle part upwards, or setting is being pushed up
Air-flow is lifted by being drawn up generation by portion, also can be set to dry to generate directly up in bottom and lifts air-flow, these are any
The mode that may be implemented, within that scope of the present invention.
Suitable adhesive additive amount, not only may be implemented interfibrous efficient high firm power bonding, but can with save the cost,
On the basis of the above core scheme, specific embodiment according to the present invention, heat molten type fiber binder described in S6 adds
Add weight is 0.2-0.5 times of middle section fibre weight.According to needed for specific actual conditions, optionally, also packet is set between S6 and S7
The step of being equipped with addition white slurry and/or fragrance, the white slurry is added to Paper White Degree and reaches 83 degree of -90 degree.Certainly,
When production has the paper of specific color, the paper of particular color can also be realized by adding the slurry of other colors
Remanufacture, likewise, need to invest paper it is some specifically functional when, can also be in the synchronous addition other function of this step
Additive to realize the manufacture of functional paper, such as needs to carry out flavouring to paper, can add fragrance, such as need defeated
It is such can to add waterproof paper additive, etc. for waterproof paper out.
Online further molding is being formed for the ease of fiber, it is according to the present invention on the basis of the above core scheme
Negative pressure is applied by extractor fan in the shape other side into the net in specific embodiment, S8 and S9.By the negative pressure of application, from
Opposite direction generates suction to fiber, and then is equivalent to and applies pressure to fiber, convenient for the further smooth molding of fiber.Equally
Preferred embodiment, in paper blank forming process, in S8 formed net be also connected with shaking device, pass through the band of shaking device
It is dynamic, it forms net and synchronizes vibration, so that the fiber vibration of net surface is formed, so that interfibrous gap is in this process
In be filled, and then guarantee to be formed by the flatness, stability and quality of paper blank.
In order to enable paper blank forming effect after molding is more preferable, on the basis of the above core scheme, according to this hair
Bright specific embodiment after paper blank is sent to cooling chamber in S10, carries out cooling drop to paper blank by air-cooler
Temperature.By the fast cooling of air-cooler, so that the quick solidification under the higher temperature difference of the adhesive in paper blank, makes adhesive
Ageing of colloids, and avoid the hardening of adhesive formation colloid.
Based on all of the above technical solution, the invention has the benefit that
Firstly, the present invention provides a kind of completely new waste paper regenerating process method, which is a kind of dry
Method regenerated papermaking technique.The a large amount of introducings for avoiding water early period, avoid the generation of a large amount of waste water, and the later period needs to handle without waste water,
Thereby reduce production cost.
Secondly, waste paper regenerating process method provided by the present invention does not need additional dehydration since processing step is succinct
Processing, avoids the loss of a large amount of paper pulp, can promote waste paper regenerated efficiency to a certain extent.It can be in a short time to useless
Paper is regenerated, without waiting for the more time.
Third, waste paper regenerating process method provided by the present invention, method and step is succinct, and used equipment is also easy to reality
It is existing, and industrialized condition of the entire treatment process without complexity, without the operations such as complicated industrialization transport, transhipment, waste
It generates less, and cyclic utilization rate is high, is suitable for large-scale promotion application, is even suitable for family, paper consumption class enterprise formula
The paper regeneration of (amateurish regenerated paper making factory referred to, but the general stationery enterprise of reference).In turn
By the method for the invention, waste paper regenerated place can be become into the occasions such as enterprise, school, community from paper mill, further
Facilitate popularization.The waste paper type that the method for the present invention is capable of handling include but is not limited to common various high-grade paper, yellow plate paper,
Litter decoration, trimming paper, packing paper, business unit's office paper, engineering paper, books and periodicals newspaper etc..Again due in regenerative process
In do not need to apply to large scale equipment, so the space of very little can be occupied in the specific implementation.
4th, by the difference of specific gravity of impurity and the good fiber quality to be recycled, air-flow is relied on to lift principle and centrifugal principle
Realize efficiently separating for impurity.Compared to the impurity separate mode of traditional waste water dehydration re-dry, provide a kind of completely new
Impurity separate mode not only makes good separating effect, and separative efficiency is high, and makes the also recyclable circulation of the deinking agent generated again
It utilizes, other wastes generate few, subsequent waste treatment simplicity.
5th, it is a variety of by introducing air flow swirl suspension, negative pressure, vibration, heating etc. in the forming process of paper blank
Mode eliminates gap between fiber, so that the flatness of paper blank is more preferable, good forming effect.By fast cooling, so that bonding
The colloid quick solidification of agent, and make ageing of colloids under the higher temperature difference, it is not in the hardening of colloid.
6th, when being regenerated using the technology of the present invention, once-through operation need to be only carried out by waste paper paper and is sent into generating apparatus again
It carries out waste paper regenerated.It is easy to operate, sufficiently accomplish to regenerate it while generating waste paper.And due to not needing
Recycle a large amount of energy and resource, it is possible to greatly reduce the regeneration cost of waste paper, technology is also no longer cumbersome, will not
It has any impact to environment.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment does further explaination to the present invention.
Embodiment
Process flow shown in Figure 1, the present embodiment provides a kind of waste paper regenerating process methods, specifically a kind of dry
Formula waste paper regenerating process method, the specific steps are as follows:
1, by waste paper paper (waste paper paper may include various high-grade paper, yellow plate paper, litter decoration, trimming paper, be packaged paper,
Business unit's office paper, engineering paper, books and periodicals newspaper etc.) atomizing humidifying performance that water is carried out in regenerative space, maintain its wet
Degree is in 90%-100%.
2, granular solid ink deinking agent particle is added into defibrator, guarantees that its quality is overweight particle,
The addition weight of solid ink deinking agent is 1.5 times or more of paper fibre weight to be regenerated, can root in specific practice
1.5 times, 2 times, 3 times, 4 times or 5 times are selected according to actual conditions, so that solid oil can be discharged again in subsequent fiber separation
Black deinking agent is simultaneously used again.
3, waste paper paper and ink deinking agent particle are driven under high speed rotation using defibrator, makes ink deinking
Agent particle is sufficiently contacted with paper, reaches pre- deinking efficiency.
4, the ultrasonic energy that 30-65KHz is generated using supersonic generator is driven using the high-frequency vibration in space
Ink particle synchro-resonance, and then weaken the combination of ink particle and paper fiber, and make ink particle size degradation, while accelerating deinking
The separation process of agent and paper printing ink carries out deinking again.
5, in defibrator under centrifugal force caused by high speed rotation, paper is separated into the fluffy of strip with blade
Cotton-shaped paper fiber, and by waste paper carbon dust and ink thoroughly detached from paper fibre, blade rotation the case where
Under, air blast movement is driven, with different fibre weights and the difference of the overweight characteristic of ink.Due to the fiber containing impurity
For overweight fiber, wherein containing other is unfavorable for regenerated impurity, so can be because of the wherein centrifugation under blade high speed rotation
Power and it is thrown away from the end tail end of defibrator.And good fiber quality can then rest on the intermediate position of defibrator.
Ink therein, carbon dust and other compared with light impurity then since the top too small and from seperator of its quality is discharged.It will be therein
It is spare to leave section fibre in the excellent paper fiber that can be utilized again in middle section for impurity and the overweight fiber separation to kick the beam.
6, middle section fibre is placed in the container of sealing, by being mounted on the nozzle of surrounding side wall in container, nozzle is external
Air pump, the air-flow that nozzle sprays are circulated along container inner wall, generate air-flow vortex, and then the paper fibre that suspended.It is added few
It measures atomized water and keeps regenerative space humidity in container, and middle section fibre and water mist are uniformly mixed uniformly, guarantee its humidity
It is unfavorable for regenerated physical characteristic to which electrostatic etc. will not be generated.
7, the heat molten type fiber binder granulated under high pressure effect is then added into container, particle diameter can
To be determined according to regenerated paper property is prepared, preferably greater than just in the diameter of regenerated paper fiber, the heat molten type that is added
The weight of fiber binder is 0.2-0.5 times of weight for preparing the middle section fibre of regenerated paper, can in specific practice
To select 0.2,0.3,0.4 or 0.5 times on demand according to actual conditions, other reasonable multiples can also be selected.
8, it is subsequently added into the white slurry of atomization, the additive amount of white slurry can select on demand according to the actual situation, and one
As for, white slurry be added to Paper White Degree reach 83 degree -90 degree can meet custom requirements, if it is desired, can also add
Add other additives of different fragrance etc., to change the smell of paper.Likewise, according to actual needs, it can also be added
The dyeing slurry of his color substitutes white slurry.
9, after being stirred in a sealed container with the air blast that high speed rotation is driven, middle section fibre and other additive meetings
It suspends in the sky, by the negative pressure device and self gravity of equipment side wall, uniformly slowly falls in be formed on the net.Likewise,
The negative pressure device for generating negative pressure can design all directions in tankage, as long as its negative pressure generated is by forming net to paper
It opens fiber and generates swabbing action.
10, fiber and other adding ingredients are in again by floating state by high-frequency oscillating device, so that fiber
Between gap be fully filled, then using extractor fan to formed net carry out negative pressure, make fiber and other additives into one
Step to be formed on the net by being uniformly adsorbed on.Extractor fan can be the generation device different with negative pressure device, be also possible to identical
Depression generator, this can be selected on demand according to practical situation, within that scope of the present invention.
11, section fibre in waste paper and adhesive are heated, melts adhesive, then filled by forming negative pressure off the net
It sets, the adhesive of thawing is adsorbed, be allowed to penetrate into paper fibre sandwich layer, sufficiently combine.
12, the wadding fibrous thin slice paper that becomes of paper is generated into paper blank using double-sided compression roller, by current state
Under paper blank be sent into cooling chamber, cooled down rapidly using air-cooler to paper, make the colloid quick solidification of adhesive,
Make ageing of colloids under the higher temperature difference, is not in the sclerotic conditions of colloid.
13, different size of cutting edge cutting finally is carried out to paper using plug-in strip, obtains various sizes of required paper, i.e.,
Complete the regenerative process of waste paper.
In the above waste paper regenerated step route, paper blank can be also embossed, to meet different demands paper again
It is raw, such as paper jam, veined paper etc..
Compared to existing conventional waste paper regenerating process method, the present invention passes through waste paper regenerated provided by above embodiments
Process, mainly formed in deinking and fiber separation, waste paper fibre, waste paper compacting, in terms of carry out
Core innovation improves.A kind of waste paper regenerating process method for finally obtaining dry method, in industry obtains important breakthrough, overturns completely
It is existing using water as main removal of impurities in a manner of waste paper regenerated method.
The above core innovation improves specific as follows respectively:
One, anhydrous deinking and regenerative process
In regenerative process, a small amount of atomized water is only added, plays corresponding moisture-keeping function, without the introducing of a large amount of water, this
So that subsequent no waste water generates, do not need to carry out waste water reprocessing.Based on this, simplify regeneration step, simplify regeneration condition,
Promote regeneration efficiency and speed.
Two, deinking and fiber separation:
Solid ink deinking agent particle is added into defibrator, guarantees that its quality is overweight particle, is greater than to be regenerated
2 times of paper fibre weight, to be divided again by its excessive weight by fiber in the fiber separation in next step
It disembarks and discharge and re-uses, while the contact area with paper can also be increased.In next step using defibrator in high speed
Under rotations, paper and ink deinking agent particle are driven, contacts ink deinking agent particle sufficiently with paper, and collision friction,
Reach pre- deinking efficiency.The ultrasonic energy that 30-65KHz are generated using supersonic generator, utilizes the high frequency vibrating in space
It is dynamic, weaken the combination of ink particle and paper fiber, and make ink particle size degradation, while accelerating the separation of deinking agent and paper printing ink
Process.Under centrifugal force caused by high speed rotation, with blade by the fluffy cotton-shaped paper fiber of paper separation strip, and it will give up
Carbon dust and ink in paper are thoroughly detached from paper fibre, in the case where blade rotation, drive air blast movement,
With different fibre weights and the difference of the overweight characteristic of ink, since the fiber containing impurity is overweight fiber, wherein wrapping
Contained other and be unfavorable for regenerated impurity, thus can because centrifugal force wherein under blade high speed rotation and by it from fiber separation
The end of machine is thrown away.And good fiber quality can then rest on the intermediate position of defibrator, but ink therein, carbon dust and its
He is compared with light impurity since the too small and top from seperator of its quality is discharged.By impurity therein and the overweight fiber to kick the beam point
From leaving the excellent paper fiber that can be utilized again in paper.
Three, waste paper fibre is formed:
Fiber and other adding ingredients are in floating state again by high-frequency oscillating device, use air extractor pair
It forms net and carries out negative pressure, to form fiber and other additives on the net by being uniformly adsorbed on.Simultaneously to waste paper fibre and bonding
Agent is heated, and adhesive is melted, then by the negative pressure device under forming layer, is adsorbed to the adhesive of thawing, made it
Paper fibre sandwich layer is penetrated into, is sufficiently combined.Paper is compacted twice using two double-sided compression rollers, makes the cotton-shaped fibre of paper
Dimension becomes thin slice paper, and the paper under current state is sent into cooling chamber, is cooled down using air-cooler to paper, keeps colloid solidifying
It is not in the hardening of colloid Gu making ageing of colloids under the higher temperature difference.
Four, waste paper is compacted:
It is optional that paper is compacted twice using two two-sided compression rolls, to ensure that it obtains larger intensity.
Five, airflow stirring:
After being stirred in a sealed container with the air blast that high speed rotation is driven, fiber and other additives can be suspended in
In the air, it by the negative pressure device and self gravity of equipment side wall, uniformly slowly falls in be formed on the net.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are each under the inspiration of the present invention
The product of kind form.Above-mentioned specific embodiment should not be understood the limitation of pairs of protection scope of the present invention, protection of the invention
Range should be subject to be defined in claims, and specification can be used for interpreting the claims.
Claims (10)
1. a kind of waste paper regenerating process method, which comprises the steps of:
S1 takes waste paper, and carries out atomizing humidifying performance to waste paper；
S2 is added solid deinking agent and carries out pre- deinking；
S3 is cut into item, and is centrifuged；
S4 takes the resulting middle section fibre in centrifugal separation processes middle section, and is suspended by air flow swirl；
The moisturizing of additive atomized water is added in S5；
The heat molten type fiber binder that additive granulates after high pressure acts on is added in S6；
S7 is uniform by middle section fibre and each additives mixed by air flow swirl；
S8 stops air flow swirl, falls in mixed middle section fibre and each additive on a shape side surface into the net；
S9 to form online middle section fibre and each additive heats to falling in, and makes its bonding；
S10 extrusion forming obtains paper blank, is cut after cooling down to obtain the final product.
2. a kind of waste paper regenerating process method according to claim 1, which is characterized in that in S1: after atomizing humidifying performance, waste paper
The humidity of paper is 90%-100%.
3. a kind of waste paper regenerating process method according to claim 1, which is characterized in that in S2: the solid deinking agent
For granular solids deinking agent, the addition quality of the solid deinking agent is 1.5-5 times of the quality of waste paper.
4. a kind of waste paper regenerating process method according to claim 1, which is characterized in that step S2 and S3 are in fiber point
It disembarks middle progress；It contacts solid deinking agent with waste paper and carries out pre- deinking；It is also set up between S2 and S3
There is under Ultrasonic Conditions the step of deinking again, the supersonic frequency of the ultrasonic wave is 30-65KHz；In centrifugal rotation condition in S3
It is lower that waste paper is cut by cotton-shaped paper fiber into strips using blade.
5. a kind of waste paper regenerating process method according to claim 4, which is characterized in that lead in defibrator in S3
It crosses blade rotation and generates air-flow, under air-flow drive and under centrifugal action, make the heavier fiber containing impurity from fiber separation
The tail end of machine is thrown away, and the relatively light impurity containing ink and carbon dust is discharged from the top of defibrator, can recycling middle section it is fine
Dimension is located at the middle part of defibrator.
6. a kind of waste paper regenerating process method according to claim 1, which is characterized in that be placed in middle section fibre in S4 and hold
Surrounding side wall in device, and in container installs nozzle, and the external air pump of nozzle, the air-flow that nozzle sprays is along container inner wall recycle stream
It is dynamic, generate air-flow vortex.
7. a kind of waste paper regenerating process method according to claim 1, which is characterized in that hot melt fiber type described in S6 is viscous
The addition weight of mixture is 0.2-0.5 times of middle section fibre weight；Between S6 and S7 also packet be provided with addition white slurry and/or
The step of fragrance, the white slurry are added to Paper White Degree and reach 83 degree of -90 degree.
8. a kind of waste paper regenerating process method according to claim 1, which is characterized in that forming net in S8 and S10
The other side negative pressure is applied by extractor fan.
9. a kind of waste paper regenerating process method according to claim 8, which is characterized in that form net in S8 and be also connected with shake
Dynamic device.
10. a kind of waste paper regenerating process method according to claim 1, which is characterized in that send to paper blank in S10
After cooling chamber, paper blank is cooled down by air-cooler.
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