CN102733244A - Method and structure for preventing paper scraping in drying box of dissolving pulp machine - Google Patents
Method and structure for preventing paper scraping in drying box of dissolving pulp machine Download PDFInfo
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- CN102733244A CN102733244A CN2012102404369A CN201210240436A CN102733244A CN 102733244 A CN102733244 A CN 102733244A CN 2012102404369 A CN2012102404369 A CN 2012102404369A CN 201210240436 A CN201210240436 A CN 201210240436A CN 102733244 A CN102733244 A CN 102733244A
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- paper
- drying box
- paper web
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- scraping
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- 238000001035 drying Methods 0.000 title claims abstract description 44
- 238000007790 scraping Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 22
- 229920000875 Dissolving pulp Polymers 0.000 title abstract description 6
- 230000008676 import Effects 0.000 claims description 11
- 238000007665 sagging Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000003475 lamination Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The invention provides a method and a structure for preventing paper scraping in a drying box of a dissolving pulp machine. The method comprises that in the drying conveying process, an upward support force is added when the dryness of a conveying paper web is between 53% and 60%, the drying box comprises a drying box body, conveying paper webs, a paper web inlet, a paper web outlet, turning rollers and tuyeres, wherein the conveying webs between the paper web inlet and the paper web outlet sequentially wind the turning rollers arranged alternatively in a horizontal manner to form a plurality of laminations distributed up and down, carrier rollers are arranged between the turning rollers and the tuyeres, and the highest points of the carrier rollers and the lowest points of the turning rollers are on the same horizontal plane. Compared with the prior art, the method and the structure for preventing paper scraping in the drying box of the dissolving pulp machine have the advantages that the friction between the paper webs, a guide plate and the tuyeres can be reduced, the paper scraping is avoided, and the problems that the travel speed can not be quickened, paper furs caused by scraping paper fall into the drying box so as to block a radiator, so that the temperature in the drying box is not uniform, and the cleaning workload is increased and the like can be solved.
Description
Technical field
The present invention relates to field of papermaking, a kind ofly specifically prevent to dissolve the method and the structure thereof of scraping paper in the pulp machine drying box.
Background technology
It is the technical barrier that the puzzlement pulp machine is manufactured paper with pulp that the pulp machine drying box is scraped paper always.The dissolving pulp hemicellulose level is very low, and slurry paper degree is very low, and pulpboard own is manufactured paper with pulp just very difficult, in drying box, scrapes paper, is prone to cause production normally not move, and production efficiency is low.If generation is scraped paper and will be caused disconnected paper easily, can not put forward the speed of a motor vehicle; And the paper hair that produces falls in the drying box, stops up radiator, causes the drying box internal temperature inhomogeneous, increases the cleaning work amount, so how to solve dissolving pulp machine drying box to scrape the problem of paper tape very urgent.
Summary of the invention
To the deficiency of prior art, provide at present a kind of workable, effectively avoid scraping paper prevent to dissolve the method and the structure thereof of scraping paper in the pulp machine drying box.
Technical scheme of the present invention is, a kind ofly prevents to dissolve the method for scraping paper in the pulp machine drying box, in dry course of conveying, the conveying paper web of roller side-lower paper web throughput direction later is provided with prevents the support force of carrying paper web sagging.In the present technique scheme; Owing to carry the paper web moisture big, paper web is heavier can to produce a downward inertia, makes and carries paper web to be easy to occur scraping paper when carrying paper web through roller revolution later; Even disconnected paper; Carry web direction on carry paper web upwards support force be provided at roller side-lower later this moment, can reduce saggingly, causes when avoiding through guide plate and tuyere and scrape paper.
As preferably, described support force is by a kind of providing in carrying roller, supporting plate or the air-flow.Adopt this preferred version, both can adopt bracing or strutting arrangement to provide support power, also can adopt air-flow to provide support power, can according to circumstances make optimal selection in actual use.
As preferably, the mass dryness fraction of carrying paper web is provided with support force when following 60%.Adopt this preferred version, can guarantee in due course to carrying paper web that upwards support force, the appearance of avoiding scraping paper are provided.
As preferably, carry the mass dryness fraction of paper web when 52%-60%, to be provided with support force.Adopt behind this preferred version can more accurately, the application of force more suitably the time, the appearance of avoiding scraping paper.
Adopt said method; A kind of drying box structure of scraping paper in the pulp machine drying box that prevents to dissolve is provided; Said drying box comprises the drying box casing, carries paper web, paper web import, paper web outlet, later roller and tuyere; The roller later that conveying paper web between the outlet of said paper web import, paper web successively is arranged alternately about pile warp forms some stratiforms that distribute up and down, said be arranged alternately be meant about two later roller stagger up and down, the minimum point of roller later up and below the peak of roller later on same horizontal plane; Be provided with carrying roller between said roller later and the tuyere, the minimum point of the peak of said carrying roller and roller later is on same horizontal plane.
After adopting such scheme, can solve because the fiber of dissolving pulp is shorter, contain bigger moisture, paper web is heavier, produces certain stroke, sagging, understands contact friction during through guide plate and tuyere, and what cause scrapes the paper phenomenon.Because at tuyere with later increased carrying roller between the roller, can make and carry paper web to hold sagging paper web in service through the process that roller later turns to, reduce the friction of paper web and guide plate, tuyere, avoid scraping paper.
As preferably, said carrying roller be provided with two and be separately positioned on the paper web import after first and second later the roller side-lower carry on the web direction.After adopting this preferred version, make paper web in the process of carrying,, can bear certain impact, can both get into tuyere, the generation of avoiding scraping paper through guide plate stably along with the increase of the mass dryness fraction of paper web.
As preferably, described carrying roller is a smooth roll.This preferred version is selected smooth roll for use, and when having guaranteed from roller rotary head later, paper web has reduced the resistance in the transmission through the stationarity that guide plate gets into tuyere, is not scraping paper.
The beneficial effect that the present invention is compared with prior art produced is: because at tuyere with later increased carrying roller between the roller, provide to prevent the support force of carrying paper web sagging, made and carry paper web to hold sagging paper web in service through the process that roller later turns to; Reduce the friction of paper web and guide plate, tuyere, avoid scraping paper, solved and to have put forward the speed of a motor vehicle; The paper hair that produces falls in the drying box; Stop up radiator, cause the drying box internal temperature inhomogeneous, increase problems such as cleaning work amount.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is localized forces sketch mapes of the present invention;
Accompanying drawing 3 is partial structurtes sketch mapes of the present invention.
Shown in the figure:
1, paper web import, 2, tuyere, 3, carry paper web, 4, carrying roller, 4-1, left side support force, 4-2, right side carrying roller, 5, the paper web outlet, 6, the drying box casing, 7, roller later.
The specific embodiment
Below in conjunction with accompanying drawing a kind of specific embodiment of dissolving the method for scraping paper in the pulp machine drying box that prevents of the present invention is done following the detailed description.
Like accompanying drawing 1, Fig. 2, shown in Figure 3; The said a kind of method and structure thereof of scraping paper in the pulp machine drying box that prevent to dissolve; Described drying box comprises drying box casing 6, carries paper web 3, paper web import 1, paper web outlet 5, later roller 7 and tuyere 2; The roller later 7 that conveying paper web 3 between said paper web import 1, the paper web outlet 5 successively is arranged alternately about pile warps forms some stratiforms that distribute up and down; Said be arranged alternately be meant about two later roller 7 stagger up and down; The minimum point of roller 7 later up and below the peak of roller 7 later on same horizontal plane, be provided with carrying roller 4 between said roller 7 later and the tuyere 2, the minimum point of the peak of said carrying roller 4 and roller 7 later is on same horizontal plane; Later evenly be provided with between the roller 7 about in drying box casing 6 and blow to the tuyere 2 of carrying paper web 3; Said carrying roller 4 be provided with two and be separately positioned on paper web import 1 back first and second later roller 7 side-lowers carry on paper webs 3 directions; Said carrying roller 4 is a smooth roll.
In the present embodiment, it is inner that said conveying paper web 3 gets into drying box from paper web import 4, passes through roller 7 conversion directions later on right side earlier; Carrying roller 4-2 holds up it through the right side, and the paper web mass dryness fraction of this moment is 53%-54%, through guide plate and tuyere 2 it is carried out drying; Be transported to left side roller 7 place's conversion directions later, the paper web mass dryness fraction of this moment is 56%-57%, makes paper web hold up stably through left side support force 4-1 and gets into tuyere 2 then through guide plate; Along with the minimizing of carrying paper web 3 moisture; Paper web can bear certain impact, can both get into tuyere 2 through guide plate stably, scrapes paper and has obtained solving completely.
In the above-described embodiments; Preferred forms of the present invention is described, obviously, under inventive concept of the present invention; Still can make a lot of variations, as carry paper web arrive the 3rd later during roller 7 mass dryness fraction also carry increase carrying roller 4 on paper web 3 directions at roller 7 side-lowers later when following 60%.At this, should explain that any change of under inventive concept of the present invention, being made all will fall in protection scope of the present invention.
Claims (7)
1. one kind prevents to dissolve the method for scraping paper in the pulp machine drying box, it is characterized in that: in dry course of conveying, the conveying paper web of roller side-lower paper web throughput direction later is provided with prevents the support force of carrying paper web sagging.
2. a kind of preventing according to claim 1 dissolved the method for scraping paper in the pulp machine drying box, it is characterized in that: described support force is by a kind of providing in carrying roller, supporting plate or the air-flow.
3. a kind of preventing according to claim 1 dissolved the method for scraping paper in the pulp machine drying box, it is characterized in that: the mass dryness fraction of carrying paper web is provided with support force when following 60%.
4. a kind of preventing according to claim 1 dissolved the method for scraping paper in the pulp machine drying box, it is characterized in that: carry the mass dryness fraction of paper web when 52%-60%, to be provided with support force.
5. employing said method; A kind of drying box structure of scraping paper in the pulp machine drying box that prevents to dissolve is provided; Adopt the described a kind of method of scraping paper in the pulp machine drying box that prevents to dissolve of arbitrary claim in the claim 1 to 4; Said drying box comprises drying box casing (6), carries paper web (3), paper web import (1), paper web outlet (5), later roller (7) and tuyere (2); The roller (7) later that conveying paper web (3) between said paper web import (1), the paper web outlet (5) successively is arranged alternately about pile warp forms some stratiforms that distribute up and down; Said be arranged alternately be meant about two later roller (7) stagger up and down; The minimum point of roller (7) later up and below the peak of roller (7) later on same horizontal plane, it is characterized in that: be provided with carrying roller (4) between said roller (7) later and the tuyere (2), the peak of said carrying roller (4) with turn one's head the minimum point of roller (7) on same horizontal plane.
6. a kind of drying box structure of scraping paper in the pulp machine drying box that prevents to dissolve according to claim 5 is characterized in that: said carrying roller (4) be provided with two and be separately positioned on paper web import (1) back first and second later roller (7) side-lower carry on paper web (3) directions.
7. a kind of drying box structure of scraping paper in the pulp machine drying box that prevents to dissolve according to claim 5, it is characterized in that: said carrying roller (4) is a smooth roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210240436.9A CN102733244B (en) | 2012-07-12 | 2012-07-12 | Method and structure for preventing paper scraping in drying box of dissolving pulp machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210240436.9A CN102733244B (en) | 2012-07-12 | 2012-07-12 | Method and structure for preventing paper scraping in drying box of dissolving pulp machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102733244A true CN102733244A (en) | 2012-10-17 |
| CN102733244B CN102733244B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210240436.9A Active CN102733244B (en) | 2012-07-12 | 2012-07-12 | Method and structure for preventing paper scraping in drying box of dissolving pulp machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007831A (en) * | 2020-08-31 | 2020-12-01 | 温州职业技术学院 | Gluing and drying device of examination paper book gluing and binding production line |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE684139C (en) * | 1937-11-27 | 1939-11-23 | Svenska Flaektfabriken Ab | Drying system for webs made of paper, cellulose, fabric or similar materials |
| US2460042A (en) * | 1945-01-13 | 1949-01-25 | Rice Barton Corp | Method of making cockle paper |
| CH280046A (en) * | 1950-01-28 | 1951-12-31 | Naville Raoul | Conveyor device for webs of paper, cellulose felt, fabric or the like. |
| US2821285A (en) * | 1956-04-09 | 1958-01-28 | Ross Engineering Of Canada Ltd | Conveyor system for pulp dryers |
| US4154004A (en) * | 1976-10-16 | 1979-05-15 | Lindauer Dornier Gesellschaft Mbh | Apparatus for monitoring the draw-in procedure and the tearing-off of sheets of material in dryers, particularly jet dryers |
| FR2486641A2 (en) * | 1980-07-11 | 1982-01-15 | Greenbank Cast Basalt Eng | Drying appts. for continuous lengths of paper - where staggered chambers feed compressed air to either side of paper web |
| CN1081485A (en) * | 1992-03-19 | 1994-02-02 | 维美德造纸机械有限公司 | Method for drying a web with non-contact air and a blown hood and a pulp dryer using this method |
| US6230422B1 (en) * | 1997-08-18 | 2001-05-15 | Metso Paper, Inc. | Method and apparatus for handling and drying a pulp web |
| CN101535566A (en) * | 2006-11-14 | 2009-09-16 | 美卓造纸机械公司 | End part of an air dryer, air dryer, method in the end part of an air dryer and use of fan |
-
2012
- 2012-07-12 CN CN201210240436.9A patent/CN102733244B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE684139C (en) * | 1937-11-27 | 1939-11-23 | Svenska Flaektfabriken Ab | Drying system for webs made of paper, cellulose, fabric or similar materials |
| US2460042A (en) * | 1945-01-13 | 1949-01-25 | Rice Barton Corp | Method of making cockle paper |
| CH280046A (en) * | 1950-01-28 | 1951-12-31 | Naville Raoul | Conveyor device for webs of paper, cellulose felt, fabric or the like. |
| US2821285A (en) * | 1956-04-09 | 1958-01-28 | Ross Engineering Of Canada Ltd | Conveyor system for pulp dryers |
| US4154004A (en) * | 1976-10-16 | 1979-05-15 | Lindauer Dornier Gesellschaft Mbh | Apparatus for monitoring the draw-in procedure and the tearing-off of sheets of material in dryers, particularly jet dryers |
| FR2486641A2 (en) * | 1980-07-11 | 1982-01-15 | Greenbank Cast Basalt Eng | Drying appts. for continuous lengths of paper - where staggered chambers feed compressed air to either side of paper web |
| CN1081485A (en) * | 1992-03-19 | 1994-02-02 | 维美德造纸机械有限公司 | Method for drying a web with non-contact air and a blown hood and a pulp dryer using this method |
| US6230422B1 (en) * | 1997-08-18 | 2001-05-15 | Metso Paper, Inc. | Method and apparatus for handling and drying a pulp web |
| CN101535566A (en) * | 2006-11-14 | 2009-09-16 | 美卓造纸机械公司 | End part of an air dryer, air dryer, method in the end part of an air dryer and use of fan |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007831A (en) * | 2020-08-31 | 2020-12-01 | 温州职业技术学院 | Gluing and drying device of examination paper book gluing and binding production line |
| CN112007831B (en) * | 2020-08-31 | 2023-03-21 | 温州职业技术学院 | Gluing and drying device of examination paper book gluing and binding production line |
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| Publication number | Publication date |
|---|---|
| CN102733244B (en) | 2015-04-01 |
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The invention relates to a method for preventing scraping in a drying box of a dissolving pulp machine and a structure thereof Effective date of registration: 20211229 Granted publication date: 20150401 Pledgee: Bank of Jining Limited by Share Ltd. Qufu branch Pledgor: SHANDONG TAIYANGZHIYE Co.,Ltd. Registration number: Y2021980016992 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230609 Granted publication date: 20150401 Pledgee: Bank of Jining Limited by Share Ltd. Qufu branch Pledgor: SHANDONG TAIYANGZHIYE Co.,Ltd. Registration number: Y2021980016992 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240902 Address after: 272100 No.66 Xiguan Street, Yanzhou District, Jining City, Shandong Province Patentee after: SHANDONG TAIYANGZHIYE Co.,Ltd. Country or region after: China Patentee after: Shandong International Paper sun paperboard Co.,Ltd. Patentee after: Shandong Wanguo sun food packaging material Co.,Ltd. Patentee after: Guangxi Taiyang paper board Co.,Ltd. Address before: 272100 Friendship Road 1, Jining, Shandong, Yanzhou Patentee before: SHANDONG TAIYANGZHIYE Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |