CN104611978B - Rotating roller used for material composite type paper sheet drying mesh - Google Patents
Rotating roller used for material composite type paper sheet drying mesh Download PDFInfo
- Publication number
- CN104611978B CN104611978B CN201510008355.XA CN201510008355A CN104611978B CN 104611978 B CN104611978 B CN 104611978B CN 201510008355 A CN201510008355 A CN 201510008355A CN 104611978 B CN104611978 B CN 104611978B
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- China
- Prior art keywords
- rotating roller
- yarn
- drying mesh
- warp
- dry net
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/08—Felts
Abstract
The invention relates to a material composite type paper sheet drying mesh and a rotating roller used for the drying mesh. The drying mesh comprises weft composed of polyester yarn, warp in the middle portion and composed of the polyester yarn and warp on the two side edges and composed of polyphenylene sulfide. The drying mesh is further provided with connector yarn composed of polyether ketone materials along at least one end of the warp. The length of the rotating roller is matched with the breadth of the drying mesh. Both the two ends of the rotating roller are provided with control segments with the size changing in the radial direction. The control segments are matched with the polyphenylene sulfide yarn on the drying mesh in position. The control segments are provided with temperature and humidity control devices. The polyphenylene sulfide yarn serves as the warp on the edge of the drying mesh, and the bottleneck of edge hydrolysis can be eliminated. The polyether ketone material yarn is adopted to serve as the connector yarn, and the problem of connector retaining ring corrosion is solved. The temperature and humidity control device can conduct temperature and humidity regulation on different portions of the drying mesh instantly, and the service life of the drying mesh is prolonged. Through a gradually changing radial structure, the drying mesh cannot be deviated in operation, and no deviation correction device is needed.
Description
Technical field
The present invention relates to a kind of dry net and corresponding rotating roller, more particularly to a kind of dry net of Material cladding type page and
For the rotating roller of the dry net.
Background technology
Dry Screens are the carriers that paper web runs in drying section, play transmission page, improve heat transfer, the effect of smooth paper.
In the past, the drying section of papermaking process, mostly continues to use wool fabric, is replaced by canvas later.The nearly more than ten years, occurs chemical fibre in succession
Through the dry net of the multifilament of resin treatment and the dry net of monofilament polyester.These new fabrics are applied, mainly due to the ventilative of them
Degree is big, and drying efficiency is high, the need for meeting high speed copy paper and energy saving.
However, though the dry net of polyester has air permeability, the characteristics of drying efficiency is high, under the vapor action of high temperature and when shutting down
The reinforcement of medicine cleaning comes to maintaining dry net gas permeability, and dry net joint clasp is highly prone to destruction, influences dry net service life.
Due to the difference of the heated environment in vapour cover, dry net both sides are caused to be had differences by thermal effect with middle part, meanwhile, two dry nets
While due to the covering of no paper web, doing net both sides in the presence of hot and humid, the polyester of edge is caused to produce hydrolysis.Have a strong impact on
The operational effect of dry net.In recent years, domestic high speed, wide cut paper machine are more and more more, and the kind of paper is sharply increased, the class of paper
More and more higher, the demand for dry portion's high-performance textile is also increasing, and its drying section must the superior dry net of performance.
It is the uniform straight roller of radial dimension to be driven the rotating roller of dry net operating in the prior art simultaneously, and dry net is long on straight roller
Time motion is easily produced and deviateed, it is necessary to means for correcting is aided in, and structure is complex, while dry net both sides of the edge are likely to
Because no paper web is present, so as to produce the different position of humiture, it is necessary to carry out humidity intervention regulation immediately online.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of rotating roller that net is done for Material cladding type page.
To reach above-mentioned purpose, a kind of technical scheme that the present invention is used for：One kind is used for the Material cladding dry net of type page
Rotating roller, including：The parallel being made up of PE yarn, the warp of the middle part being made up of PE yarn, and by polyphenyl
The two side warps that thioether yarn is constituted, the dry net is additionally provided with along at least one end of warp and is made up of polyethers ketone material
Joint yarn.
In a preferred embodiment of the present invention, the end to end composition cyclic structure in end of at least one dry net, institute
The joint for stating joint uses helical ring or small ring seam.
In a preferred embodiment of the present invention, the helical ring of the seam crossing or small ring are at least close to edge with dry net one end
Second or the 3rd parallel produce joint.
Another technical scheme that uses of the present invention for：A kind of rotating roller for doing net, it is characterised in that：The rotation
The axial length of roller is wide with the dry web to be matched, and the rotating roller two ends are equipped with the control section of radial dimension change, described
The position of control section mutually coincide with the position for doing online polyphenylene sulfide warp, and the control section is provided with Temperature and Humidity Control dress
Put.
In a preferred embodiment of the present invention, the control section surface is provided with stomata, and the temperature and humidity control device can
The air-flow of certain humiture is flowed out into stomata by stomata.
In a preferred embodiment of the present invention, the radial dimension of the control unit gradually successively decreases to the rotating roller two ends.
In a preferred embodiment of the present invention, rotating roller middle part be provided with radial dimension gradually to the midline place successively decrease it is recessed
The portion of falling into.
The present invention solves defect present in background technology, polyphenylene sulfide yams of the present invention as dry network edge warp
Line, so as to be able to abolish the bottleneck of edge hydrolysis；Using polyethers ketone material yarns as joint yarn, so as to solve joint buckle
Ring etching problem；Rotating roller uses temperature and humidity control device, instant online can carry out humiture tune to dry net different parts
Section, improves the service life of dry network edge, while the radial structure design of gradual change so that dry net will not be produced partially in the running
Move, be not required to offset correction device.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the dry web frame schematic diagram with spiral changing-over head of the preferred embodiments of the present invention；
Fig. 2 is the spiral changing-over header structure schematic diagram of the preferred embodiments of the present invention；
Fig. 3 is the dry web frame schematic diagram with small changing-over head of the preferred embodiments of the present invention；
Fig. 4 is the small changing-over header structure schematic diagram of the preferred embodiments of the present invention；
Fig. 5 is the rotating roller structure schematic diagram of the preferred embodiments of the present invention；
In figure：1st, dry net, 2, parallel, 3, PE yarn warp, 4, polyphenylene sulfide warp, 5, polyethers ketone beating line,
6th, rotating roller, 7, control section, 8, depressed part.
Specific embodiment
Presently in connection with drawings and Examples, the present invention is further detailed explanation, and these accompanying drawings are simplified signal
Figure, only illustrates basic structure of the invention in a schematic way, therefore it only shows the composition relevant with the present invention.
As Figure 1-5, the dry net 1 of a kind of Material cladding type page, including：The parallel 2 being made up of PE yarn, by polyester
The warp of the middle part that yarn is constituted, and two side warps being made up of polyphenylene sulfide yams, the dry net 1 is along warp
At least one end is additionally provided with the joint yarn being made up of polyethers ketone material.
The end to end composition cyclic structure in end of at least one dry net 1, the joint of the joint is used
Helical ring or small ring seam.
The helical ring of seam crossing or small ring are at least produced with the one end of dry net 1 near second of edge or the 3rd parallel 2
Joint, easily releases with first joint of parallel 2, insecure, just relative firm with second of rear or the 3rd joint of parallel 2
Gu, and the unnecessary end of dry net 1 can be connected on the annular inner wall side of the formation of dry net 1, do not interfere with dry net 1 and run and to paper
The shape defect influence opened.
A kind of rotating roller 6 for dry net 1, the axial length of rotating roller 6 is matched with the breadth of dry net 1, the rotation
The two ends of roller 6 are equipped with the control section 7 of radial dimension change, the position of the control section 7 and polyphenylene sulfide warp on the dry net 1
Position mutually coincide, the control section 7 is provided with temperature and humidity control device.
The surface of control section 7 is provided with stomata, and the air-flow of certain humiture can be passed through stomata by the temperature and humidity control device
Outflow stomata.
The radial dimension of control unit gradually successively decreases to the two ends of the rotating roller 6, and the middle part of rotating roller 6 is provided with radial dimension gradually
The depressed part 8 that place successively decreases to the midline.So dry net 14 can be radially oriented the less position skew of size, three radial rulers when running
Very little less position is collectively forming relative to the skew containing region of stable equilibrium so that dry net 1 will occur cheap needs and overcome system
Weighing apparatus power, the possibility that shifts is substantially reduced.
For the problem that this department PM8 is present, using PPS（Poly-phenyl sulfide) it is polyphenyl thioether material substitution
The polyester material on the existing side of dry net 1, so as to be able to abolish the bottleneck of edge hydrolysis, the PEEK (poly- of corrosion resistance
Etheretherketon it is) that polyethers ketone material replaces the joint of polyester, so as to solve joint clasp etching problem limitation.
Short for the dry service life of net 1 of PM8 paper machines, drying effect is poor, because of paper such as the wet spots that the air permeability of dry net 1 variation causes
The degradation of disease is more, and the dry net 1 to paper machine is studied, and it is exactly that dry net 1 causes the material of dry net 1 in the presence of hydrolysis side to cause these reasons
Material is aging, and the local heatings of Gan Wang 1 are uneven, causes the reason for the local air permeability of dry net 1 declines, and research and development mainly solve the side of dry net 1
The a series of problems for hydrolyzing and causing.
Using new special material instead of easily occurring the joint of corrosion in dry net 1 and being easy to the dry net 1 of aging hydrolysis
Side, greatly prolongs the service life of dry net 1.Meanwhile, improved not influenceing to carry under the premise of page crosses the support function of drying section
Air permeability, the efficient utilization of the energy is reached with maintaining the dry air permeability of net 1 to will be helpful to moisture evaporation, greatly reduces fresh steaming
The consumption of vapour, reduces the operating cost of drying section.The dry net 1 of PPS types has the polyester-type unexistent advantage of dry net 1.
Replace the polyester material of the side of dry net 1 and joint, the section selected by the yarn of dry net 1 respectively using PPS and PEEK
Shape and weave patterns are scientific and reasonable, ensure that the yarn of vertical and horizontal and can uniform with paper web, tightly contact, and effectively connect
Contacting surface product increases, so that, be conducive to improving drying efficiency and improve paper.
The use of the seam pattern and seam yarn of dry net 1 is scientific and reasonable, and both easy seam, will not cause net to paper web again
Trace.Seam uses helical ring or small ring seam arrangements, with the one integrated mass of dry net 1, will not produce any joint seam trace.The institute of dry net 1
In the warp and parallel 2 that use, all containing the additive that can resist the pollutant dry net 1 of pollution, reduce and avoid dry net 1 and be stained with
Dirty and eyelet is blocked, and the hole of dry net 1 is unobstructed, and air permeability keeps good, and it is also easy to clean.
Dry net 1 is used on PM8 paper machines, using suitable air permeability, under high speed, high-pressure and high-temperature steam effect, dry net 1
The raising of overall operation efficiency and quality of finished paper, the reduction of the disconnected paper of drying section, steam consumption reduction.
Technological innovation part；
（1）In the warp and parallel 2 of dry net 1, the additive that resistance pollutant pollutes dry net 1 is with the addition of, kept good
Air permeability, improve the utilization rate of steam, reduce the degradation of finished paper.
（2）The dry net 1 of PPS types is used in craft paper, because the porosity between dry net 1 and paper web is reduced, is improve into
The physical strength of paper, effectively avoids and eliminates the bad phenomenons such as the rupture, the torn edges that occur during web transfers.
The key technical indexes
（1）The service life of dry net 1 extension 35%
（2）Live steam utilization rate improves 10%
（3）Drying section broken end reduces 45%
（4）80% is reduced because the reasons such as the wet spot of paper degrade
Research and development test method and technology path（Process route）
According to the special circumstances of PM8 paper machines, tested from about four groups dry nets 1.The air permeability of dry net 1 is on four groups
150cfm, is 200cfm under four groups.Manufacture paper with pulp craft paper when, in the case of paper machine low speed to high-speed cruising velocity variations, observation
Whether dry net 1 runs stablizes, the adhesion situation on the play of dry net 1 and paper Mao Gan nets 1.With the increasing of the run time of dry net 1
Plus, in different cycles, record the change of steam utilization, situations such as the aging both sides of dry net 1, loose wire are observed online, web break
Situation.Under different steam pressures, the hydrolysis situation on the dry both sides of net 1 is observed.When shutting down, the joint of dry net 1 is gone through
Corrosion condition.
It is above enlightenment according to desirable embodiment of the invention, by above-mentioned description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the content on specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (2)
1. a kind of rotating roller that net is done for Material cladding type page, it is characterised in that the dry net includes：By PE yarn structure
Into parallel, the warp of the middle part being made up of PE yarn, and two side warps being made up of polyphenylene sulfide yams, institute
State dry net and the joint yarn being made up of polyethers ketone material is additionally provided with along at least one end of warp；
The axial length of the rotating roller is wide with the dry web to be matched, and the rotating roller two ends are equipped with radial dimension change
Control section, the position of the control section mutually coincide with the position for doing online polyphenylene sulfide warp；The control section is provided with
Temperature and humidity control device；
The radial dimension of the control unit gradually successively decreases to the rotating roller two ends；
The rotating roller middle part is provided with the radial dimension depressed part that gradually place successively decreases to the midline.
2. rotating roller according to claim 1, it is characterised in that：The control section surface is provided with stomata, the humiture
The air-flow of certain humiture can be flowed out stomata by control device by stomata.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008355.XA CN104611978B (en) | 2015-01-08 | 2015-01-08 | Rotating roller used for material composite type paper sheet drying mesh |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008355.XA CN104611978B (en) | 2015-01-08 | 2015-01-08 | Rotating roller used for material composite type paper sheet drying mesh |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104611978A CN104611978A (en) | 2015-05-13 |
| CN104611978B true CN104611978B (en) | 2017-05-17 |
Family
ID=53146607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510008355.XA Active CN104611978B (en) | 2015-01-08 | 2015-01-08 | Rotating roller used for material composite type paper sheet drying mesh |
Country Status (1)
| Country | Link |
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| CN (1) | CN104611978B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106414830A (en) * | 2016-03-23 | 2017-02-15 | 许长云 | Dry fabric edge-sealing method |
| FI20195843A1 (en) | 2019-10-03 | 2021-04-04 | Valmet Technologies Oy | Dryer fabric |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9417720D0 (en) * | 1994-09-03 | 1994-10-19 | Scapa Group Plc | Papermakers fabric |
| ATE272145T1 (en) * | 2000-02-14 | 2004-08-15 | Albany Int Corp | TECHNICAL FABRIC WITH PLUG SEAM |
| FI117023B (en) * | 2004-10-25 | 2006-05-15 | Pikorolls Oy | The applicator roller |
| US20070243360A1 (en) * | 2006-04-14 | 2007-10-18 | Antony Morton | Reinforcement of fabric edges |
| US7814955B2 (en) * | 2006-10-24 | 2010-10-19 | Voith Patent Gmbh | Hydrolysis resistant woven corrugator fabric |
| US20080135200A1 (en) * | 2006-12-06 | 2008-06-12 | Voith Patent Gmbh | Hydrolysis resistant corrugator fabric |
| CN201206210Y (en) * | 2008-05-23 | 2009-03-11 | 广东生益科技股份有限公司 | Latitudinal tension supply device |
| CA2696648A1 (en) * | 2010-03-09 | 2011-09-09 | Scott Makepeace | Polyester monofilaments including molybdenum disulphide and industrial textiles made therefrom |
| CN203360929U (en) * | 2013-04-24 | 2013-12-25 | 彭锦铜 | Cambered surface roller |
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| CN104611978A (en) | 2015-05-13 |
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