CN102839558B - Papermaking equipment, papermaking method and living paper - Google Patents
Papermaking equipment, papermaking method and living paper Download PDFInfo
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- CN102839558B CN102839558B CN201210139923.6A CN201210139923A CN102839558B CN 102839558 B CN102839558 B CN 102839558B CN 201210139923 A CN201210139923 A CN 201210139923A CN 102839558 B CN102839558 B CN 102839558B
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Abstract
The invention relates to papermaking equipment. A wrinkling part comprises a paper feed roller and a paper discharge roller which are arranged in parallel, wherein evenly distributed grooves are arranged on a roll surface of the paper feed roller along the transverse direction of the papermaking equipment, a roller surface of the paper discharge roller is of a smooth surface, and a clearance is arranged between the paper feed roller and the roller discharge roller so as to enable a paper web to penetrate through and carry out wrinkling. A papermaking method comprises the main steps: enabling the paper web to pass through the clearance between the paper feed roller and the paper discharge roller of the papermaking equipment, wherein the rotation direction of the paper feed roller is opposite to that of the paper discharge roller, the rotation speed of the paper feed roller is higher than that of the paper discharge roller so as to enable the paper web to wrinkle. The invention further provides a living paper obtained by adopting the method. The living paper has smaller strength loss through wrinkling by the paper feed roller and the paper discharge roller. According to the papermaking method, paper powder generated in wrinkling by the traditional scraper can be avoided; meantime, negative influence on the efficiency of the papermaking equipment and the quality of paper products due to the service life and angle changes of the scraper can also be avoided.
Description
Technical field
The present invention relates to a kind of paper making equipment, the invention still further relates to a kind of papermaking process that utilizes this paper making equipment to carry out papermaking, relate in addition a kind of paper for daily use that utilizes this papermaking process to make.
Background technology
On paper making equipment, completing at present dry crepe, is mainly by creping doctor, paper web to be peeled off from dryer surface, by scraper, the collision of paper web is completed to Wrinkling simultaneously, generates wrinkle on paper web.Adopt this kind of wrinkling mode to there is following defect: (1) is in scraper Wrinkling, fierceness and the high velocity impact of scraper to paper web, easily destroy the adhesion of the thermosetting resin such as hydrogen bond, the wet strength agent chemical bond between sheet fiber, thereby cause paper web intensity lower, conventionally the loss of strength approximately 80% of the wrinkling rear paper web of scraper; (2) because the too fluffy paper scrap producing of paper web, paper powder are at paper surface deposition, can cause damage to paper machine and process equipment; (3) paper powder disperses and can pollute working environment in air simultaneously, is detrimental to health; (4) in scraper Wrinkling, scraper can scrape drying cylinder unavoidably, drying cylinder is caused to damage in various degree, the service life of scraper is shorter in addition, within common 1～5 hour, just need to change once, not only can reduce speed of a motor vehicle efficiency, cause production capacity loss, the renewal of its scraper also makes production cost increase; (5) because of scraper in process of production angle can change, the pattern heterogeneity of the paper line that scraper is wrinkling formed, causes the quality fluctuation of product.
How therefore more production equipment and the technique of high-quality are provided, and to overcome above-mentioned defect, are papermaking enterprise important topics urgently to be resolved hurrily thereby obtain the paper product of high-quality more.
Summary of the invention
In view of this, be necessary to provide a kind of paper making equipment that can eliminate above-mentioned defect, utilize this paper making equipment to carry out papermaking process and the paper for daily use obtained by this method of papermaking.
A kind of paper making equipment, comprise wrinkling portion, this wrinkling portion comprises the intake roller and the exit roller that be arranged in parallel, on the roll surface of described intake roller, be provided with along the horizontal direction of paper making equipment the rill being evenly distributed, the roll surface of described exit roller is shiny surface, passes and carries out wrinkling into and out of gap is set between paper bowl for paper web.
Further, described intake roller is arranged at the upstream of exit roller.
Further, this paper making equipment also comprises that this steam chest is arranged on the upstream of intake roller for the steam chest to the heating of paper web humidification.
Further, vacuum extractor and steam flusher are set in this steam chest.
Further, this paper making equipment also comprises the forming part and the drying section that set gradually, and forming part is for paper web described in moulding, and drying section is for dry described paper web, and described drying section is arranged on the upstream of steam chest.
Further, also comprise the uncoiling frame of the upstream that is arranged on steam chest.
Further, described intake roller is all connected with firing equipment with exit roller, and firing equipment is for heating intake roller and exit roller respectively.
Further, this wrinkling portion also comprises another intake roller and another exit roller of be arrangeding in parallel, for carrying out wrinkling between this another intake roller and another exit roller to paper web.
A kind of papermaking process, comprises the following steps:
Paper web is provided;
Make paper web through the gap between intake roller and exit roller, wherein on the roll surface of intake roller, be provided with along the horizontal direction of paper making equipment the rill being evenly distributed, the roll surface of exit roller is shiny surface, the rotation direction of intake roller and the direction of rotation of exit roller, and the velocity of rotation of intake roller is greater than the velocity of rotation of exit roller, paper web is carried out between intake roller and exit roller wrinkling.
Further, this paper web, through before intake roller and exit roller, first carries out humidification and heating through steam chest.
Further, the temperature after described paper web heating is 40-100 degree, more preferably 90-100 degree.
Further, paper web, through before steam chest, is first dried through drying section.
Further, the steam of described steam chest utilizes the exhaust steam of drying section at least in part.
Further, this paper web is greater than 55% through dried mass dryness fraction.
Further, described intake roller and exit roller are less than 10 pounds/inch to the linear pressure of paper web.
Further, when paper web passes through the gap between intake roller and exit roller, also to heating into and out of paper bowl.Described temperature after paper bowl heating is 40-120 degree, is preferably 60-110 degree, more preferably 90-100 degree.
Further, described intake roller is arranged at the upstream of exit roller, and paper web holds the roll surface into and out of paper bowl at least in part, and the tractive force that the rotation of intake roller produces drives paper web to enter between intake roller and exit roller.
Further, this papermaking process also comprises the steps: to make paper web to pass through the gap between another intake roller and another exit roller again, wherein on the roll surface of another intake roller, be provided with along the horizontal direction of paper making equipment the rill being evenly distributed, the roll surface of another exit roller is shiny surface, the rotation direction of another intake roller and the direction of rotation of another exit roller, and the velocity of rotation of another intake roller is greater than the velocity of rotation of another exit roller, make paper web after wrinkling between intake roller and exit roller, then between this another intake roller and another exit roller, carry out wrinkling.
Further, the velocity of rotation of this exit roller is less than or equal to the velocity of rotation of another intake roller.Preferably, the speed difference ratio of this exit roller and another intake roller is at 0-5%.
One way of life paper using, comprises at least one deck single-part stationery, this at least one deck single-part stationery made by above-mentioned arbitrary papermaking process.
Paper making equipment of the present invention arranges rill on the roll surface of intake roller, and the roll surface of exit roller is shiny surface, add man-hour utilizing this paper making equipment to carry out paper product, be greater than exit roller by the rotating speed that intake roller is set, and direction of rotation, can make paper product pile up between the rill of intake roller and exit roller, form needed wrinkle, because rill distributes comparatively even, pattern is unified, the thickness of the wrinkle forming, the depth can design as required, avoid the fierceness collision of scraper to paper web in the wrinkling technology of existing scraper, thereby avoid pliability and the inadequate problem of bulk of wrinkling rear paper wrinkle thick and flat and papery, make the quality of products obtained therefrom comparatively stable.
Simultaneously, the stress that paper product is subject between intake roller and exit roller is comparatively even, avoid in existing scraper Wrinkling, the fiber separation that stress distribution inequality causes and fracture, alleviate the wrinkling reduction to paper web intensity, can greatly reduce the generation of paper scrap, paper powder, improve work production environment.
In addition, Wrinkling is less to the infringement of main element intake roller and exit roller, therefore service life longer, avoided in existing scraper Wrinkling the frequent speed of a motor vehicle Efficiency Decreasing that scraper causes of changing, the problem of production capacity loss, the process stability of production improves.
Moreover, can make the product of different-thickness and surface characteristic, and the thickness of product and surface characteristic can keep unified.
And prepared paper for daily use, the paper grain pattern formula of its wrinkling gained is various, and can design according to demand different rill patterns, product is decorated, and the paper grain pattern formula of the product obtaining is more clear, and the persistence of decorative pattern is stronger.
With reference to the accompanying drawings, the invention will be further described in conjunction with specific embodiments.
Brief description of the drawings
Fig. 1 and Fig. 2 are the schematic diagram of the paper making equipment of one embodiment of the invention.
Fig. 3 is the schematic diagram of the paper making equipment of another embodiment of the present invention.
Fig. 4 is the schematic diagram of the paper making equipment of further embodiment of this invention.
Fig. 5 is the schematic diagram of the paper making equipment of yet another embodiment of the invention.
Main element symbol description
| Web-forming section | 10 |
| Forming rolls | 12 |
| Guide roller | 130、330 |
| Fabric | 14、34 |
| Paper web delivery section | 20 |
| Heated-air drying portion | 30 |
| Hot-air drier | 32 |
| Porous infiltration cylinder | 321 |
| Cover | 322、422 |
| Cylinder dried portion | 40 |
| Drying cylinder | 421 |
| Scraper | 423 |
| Paper web | 50 |
| Intake roller | 62 |
| Exit roller | 64 |
| Another intake roller | 66 |
| Another exit roller | 68 |
| Uncoiling frame | 70 |
| Steam chest | 80 |
| Vacuum extractor | 81 |
| Steam flusher | 82 |
Following detailed description of the invention further illustrates the present invention in connection with above-mentioned accompanying drawing.
Detailed description of the invention
Please refer to Fig. 1, the paper making equipment of one embodiment of the invention comprises Web-forming section 10, paper web delivery section 20 and drying section.Drying section has heated-air drying portion 30 and cylinder dried portion 40.
The fabric 14 that Web-forming section 10 comprises forming rolls 12 and moves around forming rolls 12.The Web-forming section 10 of part is only shown in Fig. 1, and the Web-forming section 10 in this embodiment is typical two net forming section, is provided with pair of fabric 14, and each fabric 14 forms loop on a series of guide roller 130.Paper pulp is cast on fabric 14 and on mobile fabric 14 and is formed paper web 50 by a case (headbox, figure does not show).Paper web 50 takes the joint of Web-forming section 10 and heated-air drying portion 30 to by the movement of fabric 14, and by the transfer of paper web delivery section 20, makes paper web 50 depart from fabric 14 and be delivered in heated-air drying portion 30 and be dried.
In some embodiments of the invention, this Web-forming section 10 can be crescent former, can be also more traditional fourdriner forming device etc.In addition, also can setting example in the loop of the fabric 14 of Web-forming section 10 in this way the device such as vacuum extractor wetter paper web 50 is carried out to preliminary dehydration.
Paper web delivery section 20 comprises it being for example the similar devices such as absorption carrying case.Paper web 50 separates in the position of paper web delivery section 20 and the fabric 14 of Web-forming section 10, and is transferred on the outside of fabric 34 of heated-air drying portion 30.
Heated-air drying portion 30 comprises hot-air drier 32, a series of guide roller 330 and forms the fabric 34 of loop.Paper web 50 is passed on fabric 34, is directed to through after hot-air drier 32 dry the cylinder dried portion 40 that is positioned at heated-air drying portion 30 downstreams.The cover 322 that hot-air drier 32 generally includes rotatable porous infiltration cylinder 321 and arranges around porous infiltration cylinder 321 part circumference.Hot-air drier 32 shown in Fig. 1 is according to in-flow layout design, and dry air is from cover 322 flow through paper web 50 and fabric 34, then enters the inwall of porous infiltration cylinder 321.In other embodiments, hot-air drier 32 also can be according to outer-flowing type layout design.In addition, in certain embodiments, can also design as required multiple hot-air driers 32, paper web 50 is repeatedly dried, to reach dry requirement.
In certain embodiments, can be between paper web delivery section 20 and hot-air drier 32, on the loop of fabric 34, setting example is the similar device (not shown) such as press type filter in this way, can make thus before paper web 50 enters hot-air drier 32, first paper web 50 to be carried out the operation of anhydrating of mechanical system.
Fabric 34 departs from and paper web 50 is introduced after cylinder dried portion 40 with paper web 50, can clean fabric 34 through the cleaning device (not shown) arranging on loop, then return back to paper web delivery section 20 places and transmit follow-up paper web 50.
In other embodiment of the present invention, also forming rolls 12 can be arranged on to the position near paper web delivery section 20, and a part using the fabric of heated-air drying portion 30 34 as Web-forming section 10, the paper web 50 that sandwiched is formed by paper pulp together with fabric 14.After paper web delivery section 20, paper web 50 is passed on fabric 34 and follows fabric 34 and moves to together in hot-air drier 32 and be dried.
Cylinder dried portion 40 comprises drying cylinder 421 and cover 422.Drying cylinder 421 can be Yankee dryer, and cover 422 is for covering and reclaim the gas of heating.
In other embodiment of the present invention, the drying section of this paper making equipment can only arrange cylinder dried portion 40, and does not adopt the form of heated-air drying to be dried paper web 50.Adopt cylinder dried portion 40 while being dried, also can use scraper 423 to coordinate with drying cylinder 421, peel off covering at the paper web 50 on drying cylinder 421 surfaces, paper web 50 is carried out slight wrinkling simultaneously.
In other embodiment of the present invention, the drying section of this paper making equipment can only arrange heated-air drying portion 30, and does not adopt the form of cylinder dried to be dried paper web 50.
As shown in Figure 2, the paper web 50 that process scraper 423 is not wrinkling or process scraper 423 is slight wrinkling is after the drying section through upstream, and the wrinkling portion that is directed to paper making equipment carries out wrinkling.This wrinkling portion comprises intake roller 62 and exit roller 64.Intake roller 62 and exit roller 64 are applicable to doing wrinkling more.Preferably, be greater than 55% through dried paper web 50 mass dryness fractions.
Horizontal direction (Cross Direction, CD) along paper making equipment on the roll surface of intake roller 62 is provided with the rill being evenly distributed.Rill can be continuous or discontinuous paper making equipment in a lateral direction, and the width of rill and the depth can design according to final products.In addition, the pattern of rill can design according to the feel of the required product of consumer.
The roll surface of exit roller 64 is shiny surface.In certain embodiments, the roll surface of this exit roller 64 can be through polishing.
Between intake roller 62 and exit roller 64, be provided with certain interval, pass for paper web 50.Can control thickness and the surface characteristic of final products by controlling the gap between intake roller 62 and exit roller 64 or the linear pressure that paper web 50 is produced.In certain embodiments, intake roller 62 and exit roller 64 are less than 10 pounds/inch (pounds per lineal inch, PLI) to the linear pressure of paper web 50.
Intake roller 62 and exit roller 64 are positioned in same level, and intake roller 62 is arranged at the upstream of exit roller 64.By the rotation direction of intake roller 62 and the direction of rotation of exit roller 64 are set, and the velocity of rotation of intake roller 62 is greater than the velocity of rotation of exit roller 64, the gap that paper web 50 is passed through between intake rollers 62 and exit roller 64.The ratio of the speed difference of intake roller 62 and exit roller 64 is preferably 5%-50%, and the best is 10%-25%.
Intake roller 62 shown in Fig. 2 rotates along clockwise direction, and exit roller 64 rotates in the counterclockwise direction.Because intake roller 62 rotates fast, exit roller 64 rotates slow, paper web 50 is piled up between the rill of intake roller 62 and exit roller 64, the shearing force to paper web 50 simultaneously producing due to speed difference, can on paper web 50, form needed wrinkle, reach and have with effect like the wrinkling technology type of existing scraper.Paper web 50, when through intake roller 62 and exit roller 64, holds the roll surface of intake roller 62 and exit roller 64 at least in part.The tractive force that the rotation of intake roller 62 produces thus can drive paper web 50 to enter between intake roller 62 and exit roller 64.Exit roller 64 drives the paper web 50 after wrinkling to separate paper bowl 64, and paper web 50 is introduced to other processing sections in downstream.
In other embodiment of the present invention, the wrinkling portion of this paper making equipment can be applied in rewinding workshop section or processing sections, drying reaches the body paper that the paper web 50 after certain mass dryness fraction forms, preferably, be greater than 55% through dried paper web 50 mass dryness fractions, after first volume, enter again intake roller 62 and exit roller 64 carries out wrinkling.While application in the technique with independent rewinding device, can in the time of rewinding, complete the wrinkling of required wrinkling paper web 50, then carry out follow-up processing.While application on the machine table with multiple body paper uncoiling framves, can frontly carry out wrinklingly to required wrinkling paper web 50 laminated, more jointly carry out laminatedly with other layer of paper, and complete follow-up processing, make final required product.
As shown in Figure 3, the paper making equipment of another embodiment of the present invention comprises uncoiling frame 70.Uncoiling frame 70 is arranged on the upstream of intake roller 62.The just coil paper of the body paper after super-dry reaches certain mass dryness fraction that uncoiling frame 70 forms for placing the paper web 50 produced from paper machine section, preferably, is greater than 55% through dried paper web 50 mass dryness fractions.Paper web 50 after just coil paper uncoiling enters intake roller 62 again and exit roller 64 carries out wrinkling.
In other embodiment of the present invention, the wrinkling portion of this paper making equipment also can comprise intake roller and the exit roller of more mutual combination collocations.As shown in Figure 4, the wrinkling portion in another embodiment of the present invention also sets gradually another intake roller 66 and another exit roller 68 in the downstream of exit roller 64, for making paper web 50 carry out wrinkling at this another intake roller 66 and another exit roller 68.Wherein another intake roller 66 is larger with the interval of exit roller 64, and paper web 50 is not wrinkling between another intake roller 66 and exit roller 64.This another intake roller 66 is identical respectively with the structure of above-mentioned intake roller 62 and exit roller 64 with another exit roller 68, and its relation cooperatively interacting is also identical.The direction of rotation of for example rotation direction of another intake roller 66 and another exit roller 68, and the velocity of rotation of another intake roller 66 is greater than the velocity of rotation of another exit roller 68, etc.
The velocity of rotation of exit roller 64 is less than or equal to the velocity of rotation of another intake roller 66.Preferably, the speed difference ratio of exit roller 64 and another intake roller 66 is at 0-5%.In this embodiment, can carry out repeatedly paper web 50 into and out of paper bowl by many groups wrinkling, to reach the characteristic requirements to final products.
The wrinkling mode that the wrinkling portion of this kind of paper making equipment of the present invention forms, compared with the wrinkling technology of existing scraper, has the following advantages:
(1) by controlling the intake roller 62 of wrinkling portion and velocity of rotation and the direction of exit roller 64, paper web 50 is piled up between the rill of intake roller 62 and exit roller 64, form needed wrinkle, because rill distributes comparatively even, pattern is unified, thickness, the depth of the wrinkle forming can design as required, avoid the fierceness collision of scraper 423 to paper web 50 in prior art, thereby pliability and the inadequate problem of bulk of avoiding wrinkling rear paper wrinkle thick and flat and papery, make the quality of products obtained therefrom comparatively stable.
(2) stress that paper web 50 is subject between intake roller 62 and exit roller 64 is comparatively even, avoid in existing scraper Wrinkling, the fiber separation that stress distribution inequality causes and fracture, alleviate the wrinkling reduction to paper web intensity, can greatly reduce the generation of paper scrap, paper powder, improve work production environment.
(3) Wrinkling is less to the infringement of main element intake roller 62 and exit roller 64, service life is longer, avoid the speed of a motor vehicle Efficiency Decreasing that in existing scraper Wrinkling, frequent replacing scraper 423 causes, the problem of production capacity loss, the process stability of production improves.
(4) can make the product of different-thickness and surface characteristic, and the thickness of product and surface characteristic can keep unified.
(5) apply this wrinkling technology at processing sections, in the time that paper machine section is produced body paper, can wrinkle resistant or only need slightly wrinkling, can reduce the wrinkling loss to paper web intensity of scraper, because reducing, crepe ratio can improve the just running speed of winding up roller simultaneously, thereby improve the speed of a motor vehicle efficiency of whole paper machine, increase production capacity.Paper strength is required to reduce simultaneously, can reduce the use amount of reinforcing agent, reduced the production cost of paper machine section.Particularly for the product that needs defibrination, because of wrinkle resistant in paper machine section or only need slightly wrinklingly, the loss of strength of paper web is less, reduce the strength demand to body paper, so can reduce its refining intensity, thereby improve dehydration and the rate of drying of paper web, reduce the energy consumption of producing.
(6) product of producing by this technology, has unique feel and thickness, can meet the demand of more special consumer group's bodies.
Please refer to Fig. 5, in other embodiment of the present invention, this paper making equipment also comprises that this steam chest 80 is arranged on the upstream of intake roller 62 for the steam chest 80 to paper web 50 humidification heating.This steam chest 80 is arranged on the downstream of drying section.Having in the paper making equipment of uncoiling frame 70, this steam chest 80 is arranged on the downstream of uncoiling frame 70.Interior vacuum extractor 81 and the steam flusher 82 of arranging of this steam chest 80.Vacuum extractor 81 can guarantee that most of steam is evenly through paper web 50, makes paper web 50 humidifications and is heated comparatively evenly, and reduces vapour losses.Steam used can be for example, the exhaust steam with certain humidity from drying section (cylinder dried portion 40), to improve the cyclic utilization rate of steam, reduces energy loss.
Paper web 50 after steam chest 80 humidification heating, its contained humidity approaches its equilibrium water conten, and optimum is to reach its equilibrium water conten.So-called equilibrium water conten, refer to paper under certain environment with this external environment condition generation exchange of moisture, moisture absorption speed is identical with dehumidification speed and while finally keeping dynamic equilibrium, is also moisture in the paper moisture when constant.
Paper web 50 after steam chest 80 humidifications heating, its temperature be 40～100 degree (DEG C), optimum be 90～100 degree (DEG C).
Being equipped with in the paper making equipment of steam chest 80, firing equipment (not shown) also can be set and be connected with intake roller 62, exit roller 64 respectively, for respectively intake roller 62 and exit roller 64 being heated.Add man-hour carrying out paper web 50, the temperature after intake roller 62 and exit roller 64 heating be 40-120 degree (DEG C), more excellent be 60-110 degree (DEG C), optimum be 90-100 degree (DEG C).
By increasing steam chest 80, paper web 50 is carried out to warming and humidifying, and intake roller 62, exit roller 64 are heated, make final products also there is following features: (1) paper web 50 is more soft, and loss of strength is less; After warming and humidifying, in paper web 50, fiber, by deliquescing to some extent, is similar to the fiber condition before paper web 50 moulding, more easily occurs again to arrange and is finally shaped according to the designed rill of intake roller 62, reduce the dry rigid distortion of paper web 50 when wrinkling, thereby reduce loss of strength; (2) the decorative pattern pattern of paper web 50 is more clear, and persistence is also stronger, reduces decorative pattern in the time being subject to external force, and such as pulling force, pressure etc., it is unintelligible that wrinkle becomes, the possibility even disappearing.Can avoid thus contingent wrinkling decorative pattern pattern in following process and transportation to disappear, product is spent in a down-to-earth manner or is wrapped the high problem changing, and can improve processing characteristics and the serviceability of product.
The present invention also provides one way of life paper using, and this paper for daily use comprises at least one deck single-part stationery, this at least one deck single-part stationery make by the method in above-mentioned any one embodiment.
Prepared paper for daily use, the paper grain pattern formula of wrinkling gained is various, and can design according to demand different rill patterns, product is decorated, and the paper grain pattern formula of the product obtaining is more clear, and the persistence of decorative pattern is stronger.Can obtain different feels, to meet different consumer demands.Front paper web 50 is carried out in the embodiment of warming and humidifying wrinkling, the paper grain pattern formula that final products produce also can better keep its shape and structural strength, and prepared multi-layered product can obtain good thickness, pliability, bulk density and water imbibition.Particularly can obtain better sturdy degree for roll web (single or multiple lift), for Boxed facial tissue, especially softly take out facial tissue and softly take out toilet paper can to obtain better bag high, and spend/wrap in a down-to-earth manner the high possibility that affected by external force and to change and reduce.
Claims (25)
1. a paper making equipment, comprise wrinkling portion, it is characterized in that: this wrinkling portion comprises the intake roller and the exit roller that be arranged in parallel, on the roll surface of described intake roller, be provided with along the horizontal direction of paper making equipment the rill being evenly distributed, the roll surface of described exit roller is shiny surface, passes and carries out wrinkling into and out of gap is set between paper bowl for paper web.
2. paper making equipment as claimed in claim 1, is characterized in that: described intake roller is arranged at the upstream of exit roller.
3. paper making equipment as claimed in claim 1, is characterized in that: also comprise that this steam chest is arranged on the upstream of intake roller for the steam chest to the heating of paper web humidification.
4. paper making equipment as claimed in claim 3, is characterized in that: vacuum extractor and steam flusher are set in this steam chest.
5. paper making equipment as claimed in claim 3, is characterized in that: also comprise the forming part and the drying section that set gradually, forming part is for paper web described in moulding, and drying section is for dry described paper web, and described drying section is arranged on the upstream of steam chest.
6. paper making equipment as claimed in claim 3, is characterized in that: the uncoiling frame that also comprises the upstream that is arranged on steam chest.
7. paper making equipment as claimed in claim 3, is characterized in that: described intake roller is all connected with firing equipment with exit roller, and firing equipment is for heating intake roller and exit roller respectively.
8. the paper making equipment as described in any one in claim 1-7 item, is characterized in that: this wrinkling portion also comprises another intake roller and another exit roller of be arrangeding in parallel, for carrying out wrinkling between this another intake roller and another exit roller to paper web.
9. a papermaking process, comprises the following steps:
Paper web is provided;
Make paper web through the gap between intake roller and exit roller, wherein on the roll surface of intake roller, be provided with along the horizontal direction of paper making equipment the rill being evenly distributed, the roll surface of exit roller is shiny surface, the rotation direction of intake roller and the direction of rotation of exit roller, and the velocity of rotation of intake roller is greater than the velocity of rotation of exit roller, paper web is carried out between intake roller and exit roller wrinkling.
10. papermaking process as claimed in claim 9, is characterized in that: this paper web, through before intake roller and exit roller, first carries out humidification and heating through steam chest.
11. papermaking process as claimed in claim 10, is characterized in that: the temperature after described paper web heating is 40-100 degree.
12. papermaking process as claimed in claim 10, is characterized in that: the temperature after described paper web heating is 90-100 degree.
13. papermaking process as claimed in claim 10, is characterized in that: paper web, through before steam chest, is first dried through drying section.
14. papermaking process as claimed in claim 13, is characterized in that: the steam of described steam chest utilizes the exhaust steam of drying section at least in part.
15. papermaking process as claimed in claim 13, is characterized in that: this paper web is greater than 55% through dried mass dryness fraction.
16. papermaking process as claimed in claim 9, is characterized in that: described intake roller and exit roller are less than 10 pounds/inch to the linear pressure of paper web.
17. papermaking process as claimed in claim 9, is characterized in that: when paper web passes through the gap between intake roller and exit roller, also to heating into and out of paper bowl.
18. papermaking process as claimed in claim 17, is characterized in that: described temperature after paper bowl heating is 40-120 degree.
19. papermaking process as claimed in claim 17, is characterized in that: described temperature after paper bowl heating is 60-110 degree.
20. papermaking process as claimed in claim 17, is characterized in that: described temperature after paper bowl heating is 90-100 degree.
21. papermaking process as claimed in claim 9, it is characterized in that: described intake roller is arranged at the upstream of exit roller, paper web holds the roll surface into and out of paper bowl at least in part, and the tractive force that the rotation of intake roller produces drives paper web to enter between intake roller and exit roller.
22. papermaking process as claimed in claim 9, characterized by further comprising following steps: make paper web pass through again the gap between another intake roller and another exit roller, wherein on the roll surface of another intake roller, be provided with along the horizontal direction of paper making equipment the rill being evenly distributed, the roll surface of another exit roller is shiny surface, the rotation direction of another intake roller and the direction of rotation of another exit roller, and the velocity of rotation of another intake roller is greater than the velocity of rotation of another exit roller, make paper web after wrinkling between intake roller and exit roller, between this another intake roller and another exit roller, carry out again wrinkling.
23. papermaking process as claimed in claim 22, is characterized in that: the velocity of rotation of this exit roller is less than or equal to the velocity of rotation of another intake roller.
24. papermaking process as claimed in claim 23, is characterized in that: the speed difference ratio of this exit roller and another intake roller is at 0-5%.
25. one way of life paper usings, comprise at least one deck single-part stationery, it is characterized in that this at least one deck single-part stationery made by the papermaking process described in any one in claim 9-24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210139923.6A CN102839558B (en) | 2012-05-08 | 2012-05-08 | Papermaking equipment, papermaking method and living paper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210139923.6A CN102839558B (en) | 2012-05-08 | 2012-05-08 | Papermaking equipment, papermaking method and living paper |
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| Publication Number | Publication Date |
|---|---|
| CN102839558A CN102839558A (en) | 2012-12-26 |
| CN102839558B true CN102839558B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210139923.6A Expired - Fee Related CN102839558B (en) | 2012-05-08 | 2012-05-08 | Papermaking equipment, papermaking method and living paper |
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| CN113502680A (en) * | 2021-08-04 | 2021-10-15 | 衢州龙游双熊猫纸业有限公司 | Crepe paper manufacturing method based on speed difference creping |
| CN115125755A (en) * | 2022-07-28 | 2022-09-30 | 白城福佳科技有限公司 | Porous dryer and paper machine drying system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB722721A (en) * | 1952-12-31 | 1955-01-26 | Percy Jones Twinlock Ltd | Improvements in creasing machines and combined creasing and printing machines |
| US4090385A (en) * | 1977-01-26 | 1978-05-23 | Bird Machine Company, Inc. | Material treating apparatus |
| GB1599265A (en) * | 1977-05-26 | 1981-09-30 | Beloit Corp | Method of texturising untextured dry tissue paper |
| US4507173A (en) * | 1980-08-29 | 1985-03-26 | James River-Norwalk, Inc. | Pattern bonding and creping of fibrous products |
| CN85109115A (en) * | 1984-11-22 | 1986-08-27 | 琼-皮埃尔·莱伯特 | A kind of use that makes the wrinkling device of roll web and this device |
| CN2806125Y (en) * | 2005-06-17 | 2006-08-16 | 东莞市维德实业有限公司 | Drum device with embossing and mill finishing functions |
| CN201012549Y (en) * | 2007-01-31 | 2008-01-30 | 王维福 | Embossing machine |
| CN202626747U (en) * | 2012-05-08 | 2012-12-26 | 金红叶纸业集团有限公司 | Papermaking equipment |
-
2012
- 2012-05-08 CN CN201210139923.6A patent/CN102839558B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB722721A (en) * | 1952-12-31 | 1955-01-26 | Percy Jones Twinlock Ltd | Improvements in creasing machines and combined creasing and printing machines |
| US4090385A (en) * | 1977-01-26 | 1978-05-23 | Bird Machine Company, Inc. | Material treating apparatus |
| GB1599265A (en) * | 1977-05-26 | 1981-09-30 | Beloit Corp | Method of texturising untextured dry tissue paper |
| US4507173A (en) * | 1980-08-29 | 1985-03-26 | James River-Norwalk, Inc. | Pattern bonding and creping of fibrous products |
| CN85109115A (en) * | 1984-11-22 | 1986-08-27 | 琼-皮埃尔·莱伯特 | A kind of use that makes the wrinkling device of roll web and this device |
| CN2806125Y (en) * | 2005-06-17 | 2006-08-16 | 东莞市维德实业有限公司 | Drum device with embossing and mill finishing functions |
| CN201012549Y (en) * | 2007-01-31 | 2008-01-30 | 王维福 | Embossing machine |
| CN202626747U (en) * | 2012-05-08 | 2012-12-26 | 金红叶纸业集团有限公司 | Papermaking equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102839558A (en) | 2012-12-26 |
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