CN103437238B - Newsprint paper mill sludge is utilized to produce the method for environmental friendly regenerated bobbin body paper - Google Patents
Newsprint paper mill sludge is utilized to produce the method for environmental friendly regenerated bobbin body paper Download PDFInfo
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- CN103437238B CN103437238B CN201310369305.5A CN201310369305A CN103437238B CN 103437238 B CN103437238 B CN 103437238B CN 201310369305 A CN201310369305 A CN 201310369305A CN 103437238 B CN103437238 B CN 103437238B
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Abstract
The invention discloses a kind of method utilizing newsprint paper mill sludge to produce environmental friendly regenerated bobbin body paper, relate to newsprint paper mill sludge and recycle field, newsprint paper mill sludge after process is starched with the OCC after process and is mixed according to a certain percentage by the present invention, obtains environmental friendly regenerated bobbin body paper after utilizing the plain boiled water produced in newsprint paper-making process to manufacture paper with pulp.The present invention utilizes the paper mill sludge produced in newsprint production process to produce environmental friendly regenerated bobbin body paper, reduces production cost, achieves the saving of waste paper resources and the recycle of water resource, and avoids the pollution to environment.
Description
[technical field]
The present invention relates to newsprint paper mill sludge and recycle field, be specifically related to a kind of method utilizing newsprint paper mill sludge to produce environmental friendly regenerated bobbin body paper.
[background technology]
Newsprint also claims newsprint, and be the main paper using of newpapers and periodicals and books, in the world, the consumption of newsprint is maximum.A large amount of paper mill sludge can be produced in the process that newsprint is produced, containing more crude fibre in paper mill sludge, in prior art, burning or landfill mostly are to the processing mode of this type of paper mill sludge, cause waste and the environmental pollution of resource, run counter to the development principle of " minimizing, recycling, resource " in country's " paper industry " 12 " planning ";
In addition, in prior art, bobbin body paper is for raw material is made with secondary stock or primary slurry, cost of material is higher, do not save waste paper resources, and in production process, need a large amount of clear water, also need the waste water that produces in processing production process and waste residue, thus cause resource, the waste of the energy and environmental pollution.
[summary of the invention]
For the defect of newsprint in prior art and bobbin body paper production process, the invention discloses a kind of method utilizing newsprint paper mill sludge to produce environmental friendly regenerated bobbin body paper, the paper mill sludge produced in newsprint production process is utilized to produce environmental friendly regenerated bobbin body paper, cost is low, realize the saving of waste paper resources and the recycle of water resource, and avoid the pollution to environment.
Technical scheme of the present invention is as follows:
The invention discloses a kind of method utilizing newsprint paper mill sludge to produce environmental friendly regenerated bobbin body paper, comprise the following steps:
1) process of newsprint paper mill sludge: newsprint paper mill sludge is concentrated into predetermined concentration by pre-concentration machine, newsprint paper mill sludge after concentrated is delivered to HC Cleaner slagging-off, newsprint paper mill sludge after slagging-off enters scalping and screens further, and the newsprint paper mill sludge after screening enters storage pool;
2) OCC slurry is prepared: OCC is by delivering to high concentration desanding device after hydrabrusher size degradation, simultaneously, plain boiled water in rare white water chest is delivered to the OCC that high concentration desanding device and OCC be equipped to predetermined concentration and is starched by white water pump, and OCC slurry delivers to reserve pit after high concentration desanding device desanding;
3) with slurry: it is with slurry that the newsprint paper mill sludge in storage pool and the slurry of the OCC in reserve pit send into pond with slurry by predetermined ratio, obtains mixing slurry;
4) bobbin body paper is manufactured paper with pulp: described mixing slurry is sent into back flow water pump and is diluted to predetermined concentration, then sends into pressurized screen and screens, screen the good slurry net forming on head box obtained;
5) drying and moulding of bobbin body paper: go out the l Water Paper page that net obtains and dry through press section press dehydration, drying section successively, the page obtained sends into rewinding machine rewinding after reel machine batches becomes finished roll.
The raw material that the method utilizing newsprint paper mill sludge to produce environmental friendly regenerated bobbin body paper of the present invention adopts is newsprint paper mill sludge and OCC slurry, and cost is low; Bobbin body paper industrial water used is the plain boiled water produced in newsprint production process, has saved clear water resource, has also reduced simultaneously and use water cost; Paper mill sludge obtains recycling, avoids the landfill of mud and burn polluting air, soil.
[accompanying drawing explanation]
Fig. 1 is the flow chart of the embodiment of the present invention.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As shown in Figure 1, the method utilizing newsprint paper mill sludge to produce environmental friendly regenerated bobbin body paper of the present invention comprises the following steps:
1) process of newsprint paper mill sludge: newsprint paper mill sludge sends into pre-concentration machine, by pre-concentration machine, newsprint paper mill sludge is concentrated into predetermined concentration, newsprint paper mill sludge after concentrated is delivered to HC Cleaner slagging-off, the newsprint paper mill sludge obtained after slagging-off enters scalping and screens further, and the newsprint paper mill sludge after screening enters storage pool; Wherein, technological parameter finally controls as follows: system slurry workshop section HC Cleaner slurry concentration controls at 3-4%, entering cop tube paper workshop HC Cleaner slurry concentration controls at 2-3%, and HC Cleaner enters to starch Stress control at about 0.3Mpa, and HC Cleaner ash-retention efficiency controls about 0.3%;
2) OCC slurry is prepared: OCC is by hydrabrusher size degradation (size degradation concentration is generally at 6-8%), then high concentration desanding device is delivered to, simultaneously, the OCC that OCC after plain boiled water in rare white water chest is delivered to high concentration desanding device and size degradation by white water pump is equipped to predetermined concentration (general range is at 2.5-3.5%) starches, and OCC slurry delivers to reserve pit after high concentration desanding device desanding;
3) with slurry: it is with slurry that the newsprint paper mill sludge in storage pool and the slurry of the OCC in reserve pit send into pond with slurry by predetermined ratio, obtains mixing slurry; The proportion of OCC slurry and mud is generally between 1:1-1:5;
4) bobbin body paper is manufactured paper with pulp: the mixing obtained in step 3) slurry is sent into back flow water pump and is diluted to predetermined concentration, then sends into pressurized screen and screens, screen the good slurry net forming on head box obtained;
5) drying and moulding of bobbin body paper: go out the l Water Paper page that net obtains and dry through the big roller press dewatering of press section, drying section successively, the page obtained sends into rewinding machine rewinding after reel machine batches becomes finished roll.
The method utilizing newsprint paper mill sludge to produce environmental friendly regenerated bobbin body paper of the present invention compared with prior art has the following advantages: 1, reduce cost low, and in the raw material of production bobbin body paper, newsprint paper mill sludge comes from the waste material after newsprint production; Bobbin body paper industrial water used is the plain boiled water that newsprint production line produces in process of production, has saved the use of clear water, has reduced the cost of industrial water; Newsprint paper mill sludge after treatment, decreases the conveying capacity of material, reduces the cost of energy resource consumption; 2, achieve the comprehensive utilization of resource, newsprint paper mill sludge economic worth is low, but it contains more crude fibre, fills up and burn the waste causing resource; Use the plain boiled water that newsprint production line produces, the slurry in effective recycle-water simultaneously, define an industrial chain capable of circulation; 3, decrease the pollution to environment, the process of production has all processed the paper mill sludge of newsprint papermaking output, avoids the landfill of mud and burn polluting air, soil; Solve the problem that the slag and effluent that produces in prior art is more simultaneously.
Preferably, the tailings in step 1) in HC Cleaner or the tailings in scalping are sent into disc mill and are carried out defibrination, and the tailings after defibrination is sent HC Cleaner back to and again utilized, to reach the process completely to newsprint paper mill sludge;
Preferably, in step 4), pressurized screen screens the tailings that obtains and sends into disc mill and carry out defibrination, and the tailings after defibrination is sent HC Cleaner back to and again utilized, and to reach the process completely to newsprint paper mill sludge, forms closed production line simultaneously.
Preferably, described newsprint paper mill sludge is 2-3% by the concentration after pre-concentration machine concentrates;
Preferably, the concentration of described newsprint paper mill sludge in high concentration desanding device is 2-3%;
Preferably, concentration when described newsprint paper mill sludge enters scalping is 2-2.5%;
Preferably, the concentration after entering back flow water pump dilution is starched in described mixing is 1.5-2.0%;
Preferably, going out the wet web dryness that net obtains is 18-22%;
Preferably, after press section press dehydration, the mass dryness fraction of page is 42-46%;
Preferably, after drying, the mass dryness fraction of page is 91-94%.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (3)
1. utilize newsprint paper mill sludge to produce a method for environmental friendly regenerated bobbin body paper, it is characterized in that: comprise the following steps:
1) process of newsprint paper mill sludge: newsprint paper mill sludge is concentrated into 2-3% by pre-concentration machine, newsprint paper mill sludge after concentrated is delivered to HC Cleaner slagging-off, the concentration of described newsprint paper mill sludge in high concentration desanding device is 2-3%, newsprint paper mill sludge after slagging-off enters scalping and screens further, concentration when described newsprint paper mill sludge enters scalping is 2-2.5%, and the newsprint paper mill sludge after screening enters storage pool;
2) OCC slurry is prepared: OCC is by delivering to high concentration desanding device after hydrabrusher size degradation, simultaneously, plain boiled water in rare white water chest is delivered to the OCC that high concentration desanding device and OCC be equipped to predetermined concentration and is starched by white water pump, and OCC slurry delivers to reserve pit after high concentration desanding device desanding;
3) with slurry: it is with slurry that the newsprint paper mill sludge in storage pool and the slurry of the OCC in reserve pit send into pond with slurry by predetermined ratio, obtains mixing slurry;
4) bobbin body paper is manufactured paper with pulp: described mixing slurry is sent into back flow water pump and is diluted to 1.5-2.0%, then sends into pressurized screen and screens, screen the good slurry net forming on head box obtained, described in go out the wet web dryness that net obtains be 18-22%;
5) drying and moulding of bobbin body paper: go out the l Water Paper page that net obtains and dry through press section press dehydration, drying section successively, the page obtained sends into rewinding machine rewinding after reel machine batches becomes finished roll; The mass dryness fraction of described page after press section press dehydration is 42-46%, and the mass dryness fraction of described page after drying is 91-94%.
2. utilize newsprint paper mill sludge to produce the method for environmental friendly regenerated bobbin body paper as claimed in claim 1, it is characterized in that: the tailings in described HC Cleaner or the tailings in scalping are sent into disc mill and carried out defibrination, and the tailings after defibrination is sent HC Cleaner back to and again utilized.
3. utilize newsprint paper mill sludge to produce the method for environmental friendly regenerated bobbin body paper as claimed in claim 1, it is characterized in that: described pressurized screen screens the tailings feeding disc mill obtained and carries out defibrination, and the tailings after defibrination is sent HC Cleaner back to and again utilized.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104250944B (en) * | 2014-08-14 | 2016-09-28 | 唐山市天正实业有限公司 | Cop tube paper production system and corresponding cop tube paper production technology |
| CN106256952B (en) * | 2016-07-15 | 2017-06-09 | 东莞顺裕纸业有限公司 | The method for producing environmental friendly regenerated bobbin body paper using corrugating medium's paper mill sludge and slurry |
| CN106007257B (en) * | 2016-07-29 | 2017-02-22 | 福建省联盛纸业有限责任公司 | Sludge recovery and paper making method |
| CN108755239B (en) * | 2018-05-25 | 2020-11-03 | 南京林业大学 | Production method for improving interlayer bonding strength of paper tube base paper |
| CN115045139A (en) * | 2022-05-20 | 2022-09-13 | 山东合创新材料有限公司 | Method for adjusting bulk of bobbin base paper |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435171A (en) * | 2008-12-17 | 2009-05-20 | 安徽山鹰纸业股份有限公司 | Method for producing recuperated yarn tube base paper by using waste slag and product thereof |
| CN102277764A (en) * | 2011-08-15 | 2011-12-14 | 岳阳安泰实业有限公司 | Method for preparing environmental-friendly cardboard paper by deinked sludge of wastepaper |
| CN103088695A (en) * | 2012-12-17 | 2013-05-08 | 华南理工大学 | Device and method for producing cardboard paper by utilizing paper mill sludge and waste paper |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435171A (en) * | 2008-12-17 | 2009-05-20 | 安徽山鹰纸业股份有限公司 | Method for producing recuperated yarn tube base paper by using waste slag and product thereof |
| CN102277764A (en) * | 2011-08-15 | 2011-12-14 | 岳阳安泰实业有限公司 | Method for preparing environmental-friendly cardboard paper by deinked sludge of wastepaper |
| CN103088695A (en) * | 2012-12-17 | 2013-05-08 | 华南理工大学 | Device and method for producing cardboard paper by utilizing paper mill sludge and waste paper |
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