CN105780570A - Wastepaper pulping and papermaking method - Google Patents
Wastepaper pulping and papermaking method Download PDFInfo
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- CN105780570A CN105780570A CN201410769857.XA CN201410769857A CN105780570A CN 105780570 A CN105780570 A CN 105780570A CN 201410769857 A CN201410769857 A CN 201410769857A CN 105780570 A CN105780570 A CN 105780570A
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- 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
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Abstract
The invention discloses a wastepaper pulping and papermaking method, and relates to the technical field of testliner board. The method specifically adopts the devices such as a hydraulic pulper, a high-concentration desander, an unloading tower, a grading sieve slurry tank, a grading sieve, a filament first-stage slag remover, a filament multi-disk, a filament pulp tower, a bottom layer pre-papermaking tank, a staple grading sieve, a filament first-stage slag remover, a staple low-concentration desander, a staple multi-disc, a heat dispersion system, a staple pulp tower, a surface-layer pre-papermaking tank deduster, a bottom-layer headbox, a surface-layer headbox, a press section, a drying section, a sizing machine, a calender, a reeling machine, a re-reeling machine, and the like. The method has a high finished product conversion rate. With the method, 20000 tons of wastepaper can be saved per year, such that production cost can be reduced. Process parameters are optimized, such that unit product energy consumption is reduced, and energy is saved. Therefore, the production cost is further reduced.
Description
Technical field
The present invention relates to liner board production technical field, more particularly to wastepaper pulping and papermaking production method.
Background technology
Liner board is one of element of numerous packing crates, clad plate.The production process of liner board needs through multiple working procedure, and the equipment that the production of liner board is required is relatively more.In prior art, the production system of liner board is relatively backward, and the screenings and the tailings that produce in the production process of liner board are not recycled preferably so that the yield of product is not high enough.
And, in prior art, the various process parameters in liner board production process optimizes not so that the energy consumption producing equipment of liner board is relatively big, thus results in production cost higher.
Summary of the invention
The invention discloses a kind of wastepaper pulping and papermaking production method, there is product yield height, energy consumption is little and production cost is low, the feature of good product quality.In order to reach above-mentioned purpose, the present invention adopts following concrete technical scheme:
Wastepaper pulping and papermaking production method, it is characterised in that flow process is:
(1) raw material waste paper is transported to hydrabrusher by chain mat machine and carries out size degradation, will arrange outside unscreened stock, slag, plastics；
(2) the good slurry after hydrabrusher size degradation through high concentration desanding device and is transported to discharging tower by transport pump, wherein, and row outside the silt particle of high concentration desanding device screening；
(3) the good slurry of discharging tower is by transport pump through one section of scalping, and good slurry is transported to classifying screen stock tank；
(4) slurry of classifying screen stock tank is delivered to classifying screen by classifying screen charging pump, and classified screening is one-level length fibre and the short fibre of one-level；
The long fibre of one-level is delivered to long fine one section of fine screen, good slurry through growing fine one section of fine screen is delivered to long fine one section of scummer, through long fine one section of good slurry of scummer after long fine polydisc concentration, the good slurry after concentration is transported to long fibre slurry tower as prime cement deposit, and prime cement is delivered to bottom and copies forebay dedusting by growing fine stock pump；
The short fibre of one-level is delivered to short fine classifying screen, is two grades of short fibres and two grades of long fibres through short fine gradation sizing；
Two grades of short fibres are delivered to long fine one section of scummer, as fluting medium bottom raw material；
Two grades of long fibres are delivered to the low dense desander of short fibre, it is delivered to short fine polydisc through the good slurry of the low dense desander of short fibre to concentrate, good slurry after concentration is delivered to dissipation of heat system and carries out dissipation of heat, the impurity such as sicker, oils and fats is easily separated, being transported to fluff pulp tower after demolization as starch adhesive deposit, starch adhesive is copied forebay dedusting by fluff pulp transport pump to surface layer；
(5) prime cement that bottom is copied in forebay crosses underlying network fore worker after bottom head box by bottom starching pump through bottom fan pump, is sprayed onto on spacer screen and forms liner board bottom；
The starch adhesive that surface layer is copied in forebay crosses surface layer net fore worker after surface layer head box by surface layer starching pump through surface layer fan pump, is sprayed onto on veil and forms liner board surface layer；
Liner board bottom and surface layer are integral after composite roll compound, then deliver to press section and carry out compacting, and page is made in further dehydration；
(6) page is after press section, then is transported to front drying section and dries；
(7) page is after front drying section is dried, and strengthens physical index and the smoothness of page carrying out applying glue through sizing applicator；
(8) after applying glue, page is dried then through rear drying section, is rolled into semi-finished product then through after the light of calender Asia by reel machine；
(9) after semi-finished product are cut by rewinding machine, then through checking, weigh, being packaged into finished paper.
Further, described one section of scalping tailings is through two-stage nitration scalping, and the good slurry of two-stage nitration scalping screening is transmitted back to classifying screen stock tank.
Further, the tailings of described two-stage nitration scalping screening is delivered to defibrator, defibrator the good slurry separated is transmitted back to hydrabrusher, defibrator arrange outside the tailings separated.
Further, the tailings of described long fine one section of fine screen is delivered to long fine two-stage nitration fine screen, and the good slurry processed through long fine two-stage nitration fine screen is delivered to long fine one section of scummer, processes tailings through long fine two-stage nitration fine screen and is delivered to slurry line and carries out processing recycling.
Present invention advantage compared with prior art is:
(1) the short fibre that the length that classifying screen separates is fine and short fine classifying screen separates is as liner board bottom, and short fibre that classifying screen separates and then separate long fine as liner board surface layer at short fine classifying screen, product paper is fine and smooth, good looking appearance, and mechanical strength is high.
(2) the tailings pipeline of one section of scalping is linked in sequence to two-stage nitration scalping, defibrator and hydrabrusher by the present invention, and the tailings of long fine one section of fine screen is delivered to long fine two-stage nitration fine screen, the multistage recycling of tailings, improve the waste paper utilization rate of the present invention, and the annual consumption about 20,000 tons saving major ingredient waste paper, reduce enterprise's production cost.
(3) the wastepaper pulping and papermaking production method of the present invention, various process parameters comparatively optimizes so that the energy consumption producing equipment of corrugated paper is less, and the power consumption producing corrugated paper per ton is reduced to annual 470KWH by annual 500KWH, thus having saved the energy, reduce further production cost.
Accompanying drawing explanation
Fig. 1 is the flow chart of the present invention；
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Detailed description of the invention
In order to technical scheme is explained further, below by specific embodiment, the present invention will be described in detail.
Embodiment 1:
As it is shown in figure 1, wastepaper pulping and papermaking production method: raw material waste paper is transported to hydrabrusher by chain mat machine and carries out size degradation, will arrange outside unscreened stock, slag, plastics；Good slurry after hydrabrusher size degradation through high concentration desanding device and is transported to discharging tower by transport pump, wherein, and row outside the silt particle of high concentration desanding device screening；The good slurry of discharging tower is by transport pump through one section of scalping, and good slurry is transported to classifying screen stock tank；The slurry of classifying screen stock tank is delivered to classifying screen by classifying screen charging pump, and classified screening is one-level length fibre and the short fibre of one-level；The long fibre of one-level is delivered to long fine one section of fine screen, good slurry through growing fine one section of fine screen is delivered to long fine one section of scummer, through long fine one section of good slurry of scummer after long fine polydisc concentration, the good slurry after concentration is transported to long fibre slurry tower as prime cement deposit, and prime cement is delivered to bottom and copies forebay dedusting by growing fine stock pump；The short fibre of one-level is delivered to short fine classifying screen, is two grades of short fibres and two grades of long fibres through short fine gradation sizing；Two grades of short fibres are delivered to long fine one section of scummer, as fluting medium bottom raw material；Two grades of long fibres are delivered to the low dense desander of short fibre, it is delivered to short fine polydisc through the good slurry of the low dense desander of short fibre to concentrate, good slurry after concentration is delivered to dissipation of heat system and carries out dissipation of heat, the impurity such as sicker, oils and fats is easily separated, being transported to fluff pulp tower after demolization as starch adhesive deposit, starch adhesive is copied forebay dedusting by fluff pulp transport pump to surface layer；The prime cement that bottom is copied in forebay crosses underlying network fore worker after bottom head box by bottom starching pump through bottom fan pump, is sprayed onto on spacer screen and forms liner board bottom；The starch adhesive that surface layer is copied in forebay crosses surface layer net fore worker after surface layer head box by surface layer starching pump through surface layer fan pump, is sprayed onto on veil and forms liner board surface layer；Liner board bottom and surface layer are integral after composite roll compound, then deliver to press section and carry out compacting, and page is made in further dehydration；Page is after press section, then is transported to front drying section and dries；Page, after front drying section is dried, is carrying out applying glue through sizing applicator；After applying glue, page is dried then through rear drying section, is rolled into semi-finished product then through after the light of calender Asia by reel machine；After semi-finished product are cut by rewinding machine, then through checking, weigh, being packaged into finished paper.
Embodiment 2:
On the basis of embodiment 1, described one section of scalping tailings is through two-stage nitration scalping, and the good slurry of two-stage nitration scalping screening is transmitted back to classifying screen stock tank；It is also possible that the tailings stating two-stage nitration scalping screening is delivered to defibrator, defibrator the good slurry separated is transmitted back to hydrabrusher, defibrator arrange outside the tailings separated.
Embodiment 3:
On the basis of embodiment 1, it is possible to the tailings of described long fine one section of fine screen is delivered to long fine two-stage nitration fine screen, the good slurry processed through long fine two-stage nitration fine screen is delivered to long fine one section of scummer, processes tailings through long fine two-stage nitration fine screen and is delivered to slurry line and carries out processing recycling.
Raw material of the present invention can adopt waste paper, it would however also be possible to employ the bamboo fibre that bamboo leftover pieces are processed into, and the present invention plays waste resource recycling, saves production cost, also obtain good environment protecting.
Described in above, being only the embodiment utilizing this origination techniques content, any those skilled in the art use modification, the change that this creation does, and all belong to the scope of the claims that this creation is advocated, and are not limited to those disclosed embodiments.
Claims (4)
1. wastepaper pulping and papermaking production method, it is characterised in that flow process is:
(1) raw material waste paper is transported to hydrabrusher by chain mat machine and carries out size degradation, will arrange outside unscreened stock, slag, plastics；
(2) the good slurry after hydrabrusher size degradation through high concentration desanding device and is transported to discharging tower by transport pump, wherein, and row outside the silt particle of high concentration desanding device screening；
(3) the good slurry of discharging tower is by transport pump through one section of scalping, and good slurry is transported to classifying screen stock tank；
(4) slurry of classifying screen stock tank is delivered to classifying screen by classifying screen charging pump, and classified screening is one-level length fibre and the short fibre of one-level；
The long fibre of one-level is delivered to long fine one section of fine screen, good slurry through growing fine one section of fine screen is delivered to long fine one section of scummer, through long fine one section of good slurry of scummer after long fine polydisc concentration, the good slurry after concentration is transported to long fibre slurry tower as prime cement deposit, and prime cement is delivered to bottom and copies forebay dedusting by growing fine stock pump；
The short fibre of one-level is delivered to short fine classifying screen, is two grades of short fibres and two grades of long fibres through short fine gradation sizing；
Two grades of short fibres are delivered to long fine one section of scummer, as fluting medium bottom raw material；
Two grades of long fibres are delivered to the low dense desander of short fibre, it is delivered to short fine polydisc through the good slurry of the low dense desander of short fibre to concentrate, good slurry after concentration is delivered to dissipation of heat system and carries out dissipation of heat, the impurity such as sicker, oils and fats is easily separated, being transported to fluff pulp tower after demolization as starch adhesive deposit, starch adhesive is copied forebay dedusting by fluff pulp transport pump to surface layer；
(5) prime cement that bottom is copied in forebay crosses underlying network fore worker after bottom head box by bottom starching pump through bottom fan pump, is sprayed onto on spacer screen and forms liner board bottom；
The starch adhesive that surface layer is copied in forebay crosses surface layer net fore worker after surface layer head box by surface layer starching pump through surface layer fan pump, is sprayed onto on veil and forms liner board surface layer；
Liner board bottom and surface layer are integral after composite roll compound, then deliver to press section and carry out compacting, and page is made in further dehydration；
(6) page is after press section, then is transported to front drying section and dries；
(7) page is after front drying section is dried, and is carrying out applying glue through sizing applicator；
(8) after applying glue, page is dried then through rear drying section, is rolled into semi-finished product then through after the light of calender Asia by reel machine；
(9) after semi-finished product are cut by rewinding machine, then through checking, weigh, being packaged into finished paper.
2. wastepaper pulping and papermaking production method as claimed in claim 1, it is characterised in that described one section of scalping tailings is through two-stage nitration scalping, and the good slurry of two-stage nitration scalping screening is transmitted back to classifying screen stock tank.
3. wastepaper pulping and papermaking production method as claimed in claim 2, it is characterised in that the tailings of described two-stage nitration scalping screening is delivered to defibrator, defibrator the good slurry separated is transmitted back to hydrabrusher, defibrator arrange outside the tailings separated.
4. wastepaper pulping and papermaking production method as claimed in claim 1, it is characterized in that, the tailings of described long fine one section of fine screen is delivered to long fine two-stage nitration fine screen, the good slurry processed through long fine two-stage nitration fine screen is delivered to long fine one section of scummer, processes tailings through long fine two-stage nitration fine screen and is delivered to slurry line and carries out processing recycling.
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| CN201410769857.XA CN105780570B (en) | 2014-12-15 | 2014-12-15 | Wastepaper pulping and papermaking production method |
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| CN201410769857.XA CN105780570B (en) | 2014-12-15 | 2014-12-15 | Wastepaper pulping and papermaking production method |
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| CN105780570A true CN105780570A (en) | 2016-07-20 |
| CN105780570B CN105780570B (en) | 2017-07-28 |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268311A (en) * | 2017-06-20 | 2017-10-20 | 台州森林造纸有限公司 | A kind of use waste paper produces the production technology of boxboard printing layer |
| CN107503212A (en) * | 2016-12-31 | 2017-12-22 | 天津市宝坻区发达造纸有限公司 | A kind of waste paper recycling pulping process |
| CN107587369A (en) * | 2017-09-20 | 2018-01-16 | 玖龙纸业（太仓）有限公司 | A kind of wastepaper classification slurrying production method and production system |
| CN107938421A (en) * | 2017-11-17 | 2018-04-20 | 玖龙纸业（东莞）有限公司 | A kind of recycled writing paper manufacture method and recycled writing paper |
| CN108004822A (en) * | 2017-11-29 | 2018-05-08 | 犍为三环纸业有限责任公司 | A kind of corrugated paper paper pulp processing system |
| CN108130789A (en) * | 2017-12-30 | 2018-06-08 | 重庆理文造纸有限公司 | A kind of production technology for preventing the quick-fried line of boxboard |
| CN108166307A (en) * | 2018-01-17 | 2018-06-15 | 辽宁兴东科技有限公司 | The preparation method of cop tube paper and boxboard |
| CN108316032A (en) * | 2018-01-17 | 2018-07-24 | 辽宁兴东科技有限公司 | Cop tube paper and boxboard paper producing apparatus |
| CN108468244A (en) * | 2018-06-11 | 2018-08-31 | 玖龙纸业（太仓）有限公司 | A kind of purification system and its purification method of raising face layer paper pulp cleanliness factor |
| CN109024057A (en) * | 2018-08-03 | 2018-12-18 | 联盛纸业（龙海）有限公司 | A kind of production method of wood chip defibrator process slurry substitution OCC slurry production kraft paperboard |
| CN109137594A (en) * | 2018-08-15 | 2019-01-04 | 联盛纸业（龙海）有限公司 | A kind of recycling technique of waste paper pulp-making tailings |
| CN109403128A (en) * | 2018-10-17 | 2019-03-01 | 玖龙纸业（太仓）有限公司 | A method of mixing paper making pulp being made using native suede and waste and old boxboard |
| CN109577103A (en) * | 2018-12-13 | 2019-04-05 | 浙江荣晟环保纸业股份有限公司 | A kind of corrugation paper manufacturing process |
| CN109594385A (en) * | 2018-12-07 | 2019-04-09 | 福建利树股份有限公司 | A kind of useless slurrying production method in the single process whole nation of lightweight paper |
| CN109811573A (en) * | 2019-03-19 | 2019-05-28 | 安德里茨（中国）有限公司 | Scalping system |
| CN110093807A (en) * | 2019-06-13 | 2019-08-06 | 中国轻工业长沙工程有限公司 | The flexible waste paper pulp-making technique of full waste paper production boxboard |
| CN110331610A (en) * | 2019-07-01 | 2019-10-15 | 东莞金洲纸业有限公司 | A kind of papermaking pulping system |
| CN110894693A (en) * | 2018-09-13 | 2020-03-20 | 唐山市冀滦纸业有限公司 | Pulping tailing treatment system in papermaking production and technology thereof |
| CN110983842A (en) * | 2019-11-22 | 2020-04-10 | 山鹰华南纸业有限公司 | Corrugated paper pulping produced by waste paper pulp board and production method and application thereof |
| CN111945473A (en) * | 2020-08-10 | 2020-11-17 | 玖龙纸业(天津)有限公司 | Production method and production system of high-strength corrugated base paper |
| CN115852730A (en) * | 2022-12-13 | 2023-03-28 | 东莞建晖纸业有限公司 | Five-layer paper machine ash base coating cloth paper type switching bottom layer approach on-line switching process |
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| CN107268311A (en) * | 2017-06-20 | 2017-10-20 | 台州森林造纸有限公司 | A kind of use waste paper produces the production technology of boxboard printing layer |
| CN107587369A (en) * | 2017-09-20 | 2018-01-16 | 玖龙纸业（太仓）有限公司 | A kind of wastepaper classification slurrying production method and production system |
| CN107938421A (en) * | 2017-11-17 | 2018-04-20 | 玖龙纸业（东莞）有限公司 | A kind of recycled writing paper manufacture method and recycled writing paper |
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| CN109024057B (en) * | 2018-08-03 | 2021-04-16 | 联盛纸业（龙海）有限公司 | Production method for producing kraft liner board by replacing OCC pulp with wood chip hot ground pulp |
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| CN110894693A (en) * | 2018-09-13 | 2020-03-20 | 唐山市冀滦纸业有限公司 | Pulping tailing treatment system in papermaking production and technology thereof |
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| CN109811573A (en) * | 2019-03-19 | 2019-05-28 | 安德里茨（中国）有限公司 | Scalping system |
| CN110093807B (en) * | 2019-06-13 | 2021-10-08 | 中国轻工业长沙工程有限公司 | Flexible waste paper pulping process for producing cardboard paper by using full waste paper |
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| CN115852730A (en) * | 2022-12-13 | 2023-03-28 | 东莞建晖纸业有限公司 | Five-layer paper machine ash base coating cloth paper type switching bottom layer approach on-line switching process |
| CN115852730B (en) * | 2022-12-13 | 2024-02-13 | 东莞建晖纸业有限公司 | Online switching process for bottom layer flow of ash base coating paper type switching of five-layer papermaking machine |
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