CN102482848B - Roll with adjustable shell, apparatus and method - Google Patents
Roll with adjustable shell, apparatus and method Download PDFInfo
- Publication number
- CN102482848B CN102482848B CN201080037502.1A CN201080037502A CN102482848B CN 102482848 B CN102482848 B CN 102482848B CN 201080037502 A CN201080037502 A CN 201080037502A CN 102482848 B CN102482848 B CN 102482848B
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- China
- Prior art keywords
- roller
- shell
- balancing gate
- gate pit
- pressure
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/003—Bowed or curved rolls
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/0066—Calenders; Smoothing apparatus using a special calendering belt
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/02—Rolls; Their bearings
- D21G1/0206—Controlled deflection rolls
- D21G1/0213—Controlled deflection rolls with deflection compensation means acting between the roller shell and its supporting member
- D21G1/022—Controlled deflection rolls with deflection compensation means acting between the roller shell and its supporting member the means using fluid pressure
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/02—Rolls; Their bearings
- D21G1/0253—Heating or cooling the rolls; Regulating the temperature
- D21G1/026—Heating or cooling the rolls; Regulating the temperature using the hydraulic fluid in controlled deflection rolls
Abstract
A roll (1 ) comprising a stationary shaft (2) and a hollow shell (3) rotatably fitted onto the shaft, and longitudal sealings (8) and end sealings (9,10) are arranged between the shaft and the shell for forming a first pressure chamber (6) and a second pressure chamber (7), and the roll (1 ) is loadable by conveying a pressure medium into the first pressure chamber (6) and/or into the second pressure chamber (7) for adjusting deflection of the shell (3). The amount and the direction of the total load caused to the shell (3) from inside by the pressure medium is defined by the difference of the loads caused by the pressure in the first pressure chamber (6) and the pressure in the second pressure chamber (7), and the pressure medium is steam, and the roll (1) is heatable by conveying that steam into at least one of said pressure chambers (6,7). An apparatus (20,30,31,33) comprising a deflection compensated roll (1 ) according to any embodiment of the invention. A press section of a fiber web machine. A drying section of a fiber web machine. A method for using a roll (1).
Description
Technical field
The present invention relates to the roller with adjustable shell and band slewing that use in fiber web machine.The present invention be more particularly directed to (but not exclusively) a kind of that can use in the press section of paper machine and oven dry portion, for conducting heat to metal tape and/or paper migration roller (deflection compensated roll), and relate to a kind of method using migration roller.
Background technology
In migration dancer, shell can be rotatably set in the top of fixed axis, and this shell loads by being transported to by pressure oil in the balancing gate pit between axle and shell, with the skew of the shell of corrector roll.Being used for the pressurize oil that uses of pair roller is used to heat dancer.The compensating offset dancer made such as with SymRoll, EcoNip and S-Roll for trade mark.Patent document publication number US 5244448 describes a kind of compensating offset dancer.Dancer typically uses in the narrow paper machine at a slow speed of actuating speed up to 1300m/min.
In some applications, as restrictive condition, oil loads dancer and has limited rotary speed.When rotary speed increase especially oil loads friction increase in causing because of oil of dancer, this roller needs to consume a large amount of driver output power.
When the development of paper machine make to produce upper requirement utilize wider and paper machine carrys out papermaking faster time, in the case except other conditions, the rotary speed of the floating migration roller used together with oven dry portion with the press section of limiting processing speed is undesirably made to be in the quick range of operation more than 1300m/min.
Patent document publication number US 5725465 describes a kind of gas loaded type compensating offset dancer.
Patent document publication number WO 03064762 describes a kind of metal belt calender.Migration roller is used as being positioned at the roller outside recycle metal band, and/or is positioned at the roller of be pressed against outside roller of recycle metal band.Particularly verified, the Tension Difference between the edge of the metal tape in wide metal belt calender and intermediate point and speed difference are compensated and guide metal tape challenging.Under ValZone trade mark, produce metal belt calender.
Expect to find a kind of effective method of cost more to replace traditional hot-rolling to carry out the metal tape in hot-pressing portion.
The external dimensions of the roller in oven dry portion is large and occupy many spaces.Metal tape has been proposed to be used for as a kind of thermaltransmission mode the portion of drying.But not yet find that heat-transfer arrangement drying cylinder being used as metal tape can be applied widely.
When using the hot-rolling of periphery boring, cost raises, and the hot-rolling of periphery boring is difficult to manufacture.
Summary of the invention
According to first scheme of the present invention, provide a kind of roller, it hollow shell comprising fixed axis and be rotatably assembled on axle, and transverse seals and end seal; Transverse seals and end seal are arranged between axle and shell, to form the first balancing gate pit and the second balancing gate pit; And roller can be loaded by being transported to by pressure medium in the first balancing gate pit and/or in the second balancing gate pit, to adjust the skew of shell; And poor by the load that causes because of the pressure in the pressure in the first balancing gate pit and the second balancing gate pit, to limit by pressure medium from inside the value of the full payload that shell causes and direction; And pressure medium is steam, roller can be heated by being transported in balancing gate pit described at least one by steam.Preferably, steam is superheated steam.
According to alternative plan of the present invention, provide a kind of equipment, it comprises the migration roller according to either a program of the present invention or embodiment.
The axle of this roller can be hollow, is preferably tubular axis (tube shaft).
The thickness of the shell of this roller can be 15mm to 50mm, is preferably 30mm.
Preferably, at least one transverse seals comprises the shunting device for steam.
Described equipment can comprise endless metal belt, and the adjustable shell of skew of roller is configured to this endless metal belt that reclines, to compensate the Tension Difference in the width direction of metal tape.
Preferably, in the device, the shell of roller is configured to recline metal tape or fiber web, with by thermal steering to metal tape and/or fiber web.
This equipment can comprise endless metal belt and at least one heatable migration roller as band guide reel.
This equipment can belong to the oven dry portion of fiber web machine; In this oven dry portion, at least one roller available correspondingly replaces at least one drying cylinder, and the diameter of this roller can be less than the diameter of this drying cylinder substantially.
According to third program of the present invention, provide a kind of press section of fiber web machine, it comprises roller according to either a program of the present invention or embodiment or equipment.
According to fourth program of the present invention, provide a kind of oven dry portion of fiber web machine, it comprises roller according to either a program of the present invention or embodiment or equipment.
According to the 5th scheme of the present invention, provide a kind of method using roller; The hollow shell that this roller comprises fixed axis and is rotatably assembled on axle, and transverse seals and end seal; Transverse seals and end seal are arranged between axle and shell, to form the first balancing gate pit and the second balancing gate pit; The method comprises carrys out loaded roll by being transported to by pressure medium in the first balancing gate pit and/or in the second balancing gate pit, to adjust the skew of shell; And the load that the method comprises by causing because of the pressure in the pressure in the first balancing gate pit and the second balancing gate pit is poor, to limit by pressure medium from inside the value of the full payload that shell causes and direction; And be transported in balancing gate pit described at least one as pressure medium by steam, and carry out warm-up mill by steam.
Preferably, in the method, the shell of roller is arranged to recline endless metal belt with guide wire band, and the skew adjusting the shell of roller is to compensate the Tension Difference in the width direction of endless metal belt.
The pressure differential of 8 bar can be set between the first balancing gate pit of described roller and the second balancing gate pit, the linear load of 350kN/m can be reached thus by roller.The pressure differential of 2 bar also can be set between the first balancing gate pit of roller and the second balancing gate pit, the linear load of 100kN/m can be reached thus by roller.
Described roller and/or equipment can be used for the different piece of the fiber web machine of such as paper machine, board machine and Paper pulp machine and so on.Described roller and/or equipment can be used in multiple migration scheme.This roller especially can use together with metal tape.For migration scheme, this roller is applicable to using together with metal tape, so that the Tension Difference that can compensate especially between the edge of the wide metal tape such as caused because of the skew of roller and mid point and speed difference, and can guide wire band in an appropriate manner.In addition, can obtain to the good and heat trnasfer of economy of metal tape or fiber web by described roller.The roller of this roller comparable periphery boring more cost manufactures effectively.Described roller and/or equipment can be used in press section and oven dry portion, and are preferred for having in the calender of requirement low in calories.Described roller also can be used to replace drying cylinder.By migration, the diameter of the shell of described roller can be less than the diameter of current drying cylinder substantially.In some cases, described roller can be used under the velocity conditions higher at the compensating offset roller than current; In the case, in the process manufacturing fiber web, there is not the speed restriction caused because of compensating offset roller.Other advantages will occur in the following description and claims.
Different embodiments of the invention only will associate one or some schemes of the present invention and illustrate or illustrate.It will be understood by those skilled in the art that any embodiment of the solution of the present invention can be applicable to same approach of the present invention and other schemes independent or combines with other embodiments.
Accompanying drawing explanation
With reference to accompanying drawing, by way of example, the present invention will be described, in accompanying drawing:
Fig. 1 illustrates migration roller, and its used vapour heats;
Fig. 2 illustrates the section A-A of the roller of Fig. 1 type at the end regions of roller;
Fig. 3 illustrates the roller of Fig. 1 type, and it is positioned at the outside of recycle metal band as migration roller;
Fig. 4 to Fig. 7 illustrates the roller of Fig. 1 type some section B-B at the zone line of roller;
Fig. 8 and Fig. 9 illustrates the band guide reel of the roller of Fig. 1 type as recycle metal band.
Detailed description of the invention
In the following description, the element that identical numeral is identical.Should be understood that shown accompanying drawing is not in full conformity with ratio, and accompanying drawing serves primarily in the object explaining embodiments of the invention.
Fig. 1 illustrates the side partial cross-sectional of the adjustable roller 1 of skew that floats, and the adjustable roller 1 of skew that floats comprises fixed axis 2 and rotatable shell 3.The end 2.1 of axle 2 supports to place the structure outside roller 1 to allow axle 2 and shell 3 in the mode bending 5 shapes.The shell end 3.1 of shell 3 is arranged on end bearing 4, and end bearing 4 is assemblied on axle head 2.1.Shell 3 comprises shell surface 3.2, and shell surface 3.2 can be adjusted to the curvature of expectation.The migration motion 3 ' of roller 1 can be delivered to another process component, such as pressure roller (nip roll) 12 or metal tape 11 of fiber web via shell surface 3.2.The load flex under action that shell 3 causes at such as roller, band or fiber web, but due to the distance between described inner surface and outer surface, the outer surface of the inner surface 3.3 of shell not engagement shaft 2.2.
Migration roller 1 can be loaded by superheated steam and heat.Use roller 1 to allow to increase the rotary speed that can heat dancer, this is because when rotary speed increases, the interior friction of the medium of heating and pressurization does not increase substantially when using steam.Compared with the heatable dancer that can load with fluid, roller 1 is more competitive because of its energy consumption (low).
Axle 2 and shell 3 sealed against one another by transverse seals 8, make transverse seals 8 between the outer surface 2.3 and the inner surface 3.3 of shell 3 of axle 2, limit the first balancing gate pit 6 and the second balancing gate pit 7.Transverse seals 8 is preferably attached to axle 2 by means of the groove be arranged on the opposite side of axle 2.Transverse seals 8 allows shell 3 to be rotated and bending motion, and makes the pressure-tight (pressure tight) that balancing gate pit 6,7 keeps suitable.First balancing gate pit 6 and the second balancing gate pit 7 illustrate with hacures.First balancing gate pit and/or the second balancing gate pit can be divided into room, local, each formation a series of room (not shown).
Roller 1 comprises end seal, and these end seals are positioned at the end regions 3.1 of shell 3; Come sealing load room 6,7 by these end seals, shell 3 can be rotated and offset.In the example of fig. 1, the end seal of the first balancing gate pit 6 is all formed at the two ends of shell 3; Wherein first end seal 9 is assembled to the surface of the central part of axle 2, and the second balancing gate pit 7 comprises the second end seal 10, and the second end seal 10 corresponds to the first end seal 9 of the first balancing gate pit 6.End seal 9,10 can comprise the sealing be placed in groove, and these sealings form homogeneous end seal.End seal 9,10 has the pressure-tight coordinated with transverse seals 8.End seal 9,10 is around axle head 2.1 (axle head 2.1 is attached to the central part of axle 2).Sealing flange 11 is attached at the inner side of the bearing 4 of shell 3, and first end seal 9 and the second end seal 10 abut against sealing flange 11 and have pressure-tight cooperation.Sealing flange 11 has centre bore, and axle head 2.1 is applicable to extending via this centre bore, allows thus to change the distance between axle 2 and shell 3.
In certain embodiments, transverse seals 8 to be had a mind to be arranged to leakage type.Such as, if roller 1 is not heating crucial (heating critical), the minimum stream that then steam be supplied in a balancing gate pit can be arrived another balancing gate pit is arranged to controlled sealing leak stream (sealing leakage), in other words, the bypass of seal is arranged to.In the case, at least one transverse seals 8 comprises the shunting device for steam.Above-mentioned sealing leak stream can be arranged to arrive the second balancing gate pit 7 from the first balancing gate pit 6, or arrives the first balancing gate pit 6 from the second balancing gate pit 7.
Preferably, the leakage of end seal 9,10 is prevented from, and makes condensation water and steam can not enter the lubricating oil of bearing 4.
When shell of revolution 3, played the effect of the lubricant of seal 8,9,10 by the condensed water of steam-condensation.
The main Types of the feasible configurations of the seal 8,9,10 of the adjustable roller 1 of above-mentioned floating skew is fricting strip (scraping article) and diaphragm seal (filmy sealing).The fixing seal bar 8 or 9 or 10 being assembled to roller 1 alternatively is preferably provided with load, to guarantee the tightness sealed.The fixing seal bar 8 or 9 or 10 being assembled to roller 1 alternatively is preferably provided with adjustment surplus, to guarantee the tightness sealed.Dress is incorporated into roller 1 and the fixing convex type sealing strip 8 or 9 or 10 supported by pressure differential and the diaphragm seal structure that is assembled to roller 1 alternatively fully can be suitable for the tightness guaranteeing to seal alternatively.
Preferably, transverse seals 8 and end seal 9,10 comprise waterproof material, so that no matter high temperature or have water all can keep the attribute of good seal, and can avoid the water suction phenomenon that is harmful to.The water absorbed in seal can cause water boiling in seal and the leakage of hermetically-sealed construction.
In certain embodiments, the longitudinal sealing between the first balancing gate pit 6 and the second balancing gate pit 7 can comprise at least one transverse seals 8, such as two parallel seals.In certain embodiments, a transverse seals 8 is arranged between the first balancing gate pit 6 and the second balancing gate pit 7, this transverse seals can comprise the seal formed along the direction of Liang Ge balancing gate pit 6,7 towards the inner surface 3.3 of shell 3, such as seal lip (sealing lip).
Pressure reduction between first balancing gate pit 6 and the second balancing gate pit 7 limits a direction, adjusts the skew of shell 3 in the direction by the pressure of pressure medium.If the pressure being supplied to the steam in the first balancing gate pit 6 is adjusted to fully higher than the steam pressure in the second balancing gate pit 7, then increase apart from the distance of axle 2 at the central area mesochite 3 of roller 1, or shell 3 is bent upwards when roller 1 is in the position shown in Fig. 1.Pressure differential in balancing gate pit 6,7 is suitable for affecting a reaction force, this reaction force correspond to frictional force between shell 3 with seal 8, shell 3 moving mass and contact and issuable power with shell 3 due to roller and/or fiber web and/or be with.
Steam such as can be supplied in roller 1 via the first axle head, and such as leaves via the second axle head.Be provided with in roller 1 for making steam (this steam is used as heatable pressure medium) enter in roller 1 and leave the device of roller 1 circulation.When steam supply to roller 1 shell 3 within balancing gate pit 6,7 in time, steam to shell 3 conduct heat while formed condensed water.Can collect condenses water from the inwall 3.3 of shell 3, transverse seals 8 strikes off condensed water from these inwalls.Condensed water can be removed in balancing gate pit by any known method.Such as can draw by the pressure outside roller 1 or blow down condensed water.Condensed water can along flowing out identical path, the balancing gate pit of roller with steam or other paths are taken to outside roller 1.
Preferably, the interior pressure in the first balancing gate pit 6 of roller 1 and the second balancing gate pit 7 is maximum 10 bar, and this corresponds to the common maximum pressure of industrial air pressure system.In some cases, such as, when carrying out pressure test to balancing gate pit, the air pressure of available air pressure system replaces the pressure of steam under pressure.
In some cases, the pressure differential between the first balancing gate pit 6 and the second balancing gate pit 7 is 8 bar, can reach the linear load of such as 350kN/m thus by roller 1.When some are varying sized, can reach the linear load of 100kN/m by the pressure differential of 2 bar between the first balancing gate pit 6 and the second balancing gate pit 7, this linear load corresponds to the linear load reached by some soft calenders.Roller 1 can very advantageously be applied in the migration scheme of recycle metal band.As described herein example, the belt tension of a metal belt calender is about 100kN/m.
Fig. 2 illustrates roller 1 from end direction, and the section A-A in Fig. 1 is especially shown; Fig. 1 illustrates the end seal 9,10 of balancing gate pit 6,7, and these end seals are positioned at the end regions of the shell 3 of roller 1.Can see in fig. 2, the central part 2.2 between axle head of axle 2 can be formed from tubes, and the inner surface 2.3 of this pipe limits hollow space.By tubular construction, the material cost of axle 2 can be saved, and axle 2 can be made to be formed as lightweight.The inner space 2.3 of the pipe 2 of hollow type also can be utilized in the inflow of steam and bleeder.
Shell 3 can be formed by the steel of such as stainless steel and so on or resistant material.Shell 3 can be formed by two-phase stainless Steel material (Duplex-material) or two phase stainless steel LDX material (Duplex LDX-material).
Shell 3 can be formed very thin, and such as about 30mm is thick, but makes shell 3 continue the contend with load of steam pressure and the load of plus load such as nip or tape loop.The thickness of the shell of the adjustable roller of floating skew is 50-100mm traditionally, and the present invention is undesirably limited in this conventional thickness; On the contrary, the thickness of shell 3 can be much smaller, such as, be 15-50mm, is preferably 30mm.
Fig. 3 illustrates compensating offset and the heatable roller 1 of Fig. 1 type, and roller 1 is placed in outside the first metal tape equipment 30.Metal tape equipment 30 comprises endless metal belt 11, and metal tape 11 is applicable to outer via the circular flow of band guide reel 13 at band guide reel 13 in a simple situation.Metal tape 11 can be adapted at the inside and outside operation of band guide reel 13.Migration roller 1 is configured to the heat treatment nip N1 forming fiber web W; Fiber web W is brought in metal tape equipment 30, be positioned at (metal tape 11 ran via band guide reel 13 before migration roller 1) on the surface of metal tape 11, and metal tape 11 is left at guide reel 13 place of this fiber web W after being positioned at nip N1.Metal tape 11 inherent long nip press N1 place can be provided in the pressure roller 12 shown in chain-dotted line and apply linear load for roller 1.
The curvature of the shell 3 of migration roller 1 can adjust by expectation.By adjusting the curvature of shell 3, the Tension Difference between the margin and center portion that can compensate metal tape and speed difference, and guide wire band in an appropriate manner.By adjusting the curvature of shell 3, the scrambling of the linear load caused because of the skew of roller 1,12 can be compensated, and skew line can be adjusted to expectation form.Can realize to fiber web well and conduct heat economically by roller 1.The roller of described roller comparable periphery boring more cost manufactures effectively.Described roller can be used in press section and oven dry portion, and is preferably used in the calender of requirement low in calories.
Fig. 4 to Fig. 7 illustrates some section B-B being arranged in the central area of roller 1 of migration roller 1.
Metal tape 11 is arranged on the outer surface 3.2 of the shell 3 of the roller 1 shown in Fig. 4.The part for the treatment of fiber web W of roller 1 and metal tape 11 constitution equipment 20.By roller 1, can realize to metal tape and/or fiber web W well and conduct heat economically, fiber web W is directed to the process nip be made up of shell 3 and the metal tape between fiber web and shell 11.For heat transfer applications, the roller of roller 1 comparable periphery boring more cost manufactures effectively.Roller 1 can be used in press section and oven dry portion, and is preferred in the calender of requirement low in calories.Roller 1 also can replace drying cylinder to use.By migration, the diameter of the shell 3 of roller 1 can be made substantially to be less than the diameter (drying cylinder skew prevents by large diameter drying cylinder) of current drying cylinder.By migration, the shell 3 of roller 1 can be adjusted to linear forms or desired curvature.In the diagram, axle 2 is formed by solid material, such as, by molding and machining axle steam passages (not shown) and being formed for the attachment point of seal 8.
Fiber web W (such as paper web) is set on the outer surface 3.2 of the shell 3 of the roller 1 shown in Fig. 5.The part for the treatment of fiber web W of roller 1 constitution equipment 20.By roller 1, can realize to the good and heat transfer of economy of fiber web W, fiber web W is directed into and advances on the outer surface 3.2 of shell of revolution 3.In addition, can be placed in fiber web W for the band (not shown) strengthening conducting heat, this band can be the band that metal tape or other materials are made.For heat transfer applications, the roller of roller 1 comparable periphery boring more cost manufactures effectively.Roller 1 can be used in press section and oven dry portion, and is preferred in the calender of requirement low in calories.Roller 1 also can replace drying cylinder to use.By migration, the diameter of the shell 3 of roller 1 can be made substantially to be less than the diameter of current drying cylinder.Fig. 5 axis 2 is formed according to the mode corresponding with Fig. 2.
Fig. 6 and Fig. 7 illustrates the direction of operating of migration roller 1.In some cases, such as, under permanent load, roller 1 also can be used for different angle position, direction to that indicated in the drawings.Such as, the band guide reel of tape loop 11 can be counted as the permanent load on roller 1.In figure 6, the shell 3 of roller 1 is loaded, the height in pressure ratio second balancing gate pit 7 therefore in the first balancing gate pit 6 owing to vertically upwarding pressure poor between the first balancing gate pit 6 and the second balancing gate pit 7.In the figure 7, when to against tension force that shell 3 oppresses fiber web W be 100kN/m to metal tape 11, the shell 3 of roller 1 is loaded, the height in pressure ratio first balancing gate pit 6 therefore in the second balancing gate pit 7 owing to there being pressure differential vertically downward between the first balancing gate pit 6 and the second balancing gate pit 7.
Fig. 8 illustrate the skew of Fig. 1 type adjustable and the application of heatable roller 1, in this application, roller 1 is placed in the second metal tape equipment 31 as band guide reel 1.Metal tape equipment 31 comprises endless metal belt 11, metal tape 11 be applicable to via band guide reel 13 and skew adjustable and heatable band guide reel and circular flow.Advance in the inner side and outer side that metal tape 11 can be adapted at described band guide reel 13,1.The migration roller of suitable quantity can be set, with the Tension Difference between the margin and center point compensating metal tape 11 and speed difference, and guide and heating metal strip 11.Migration roller 1 such as can by the mode shown in figure, is set to every second (every one) band guide reel of recycle metal band 11.Metal tape equipment 31 comprises pressure roller 32; Pressure roller 32 and metal tape 11 are configured for heat treatment and/or the press. nips N1 of fiber web W.Fiber web W is by metal tape equipment 31, to be positioned on the surface of metal tape 11 (metal tape 11 before heat treatment and/or press. nips N1 via skew adjustable and heatable band guide reel 11 run), and metal tape 11 is left at guide reel 13 place that fiber web W is being positioned at after nip N1.With the skew shown in chain-dotted line adjustable and heatable roller 1 can be provided in metal tape 11 inherent long nip press N1 place reclines pressure roller 32.
Fig. 9 illustrate the skew of the type of Fig. 8 adjustable and the application of heatable roller 1, in this application, roller 1 is placed in tri-metallic strip equipment 33 as guide reel 1.These migration rollers 1 be arranged in recycle metal band 11 as the migration be positioned at before pressure roller 32 and heatable band guide reel 1.Linear load is applied for pressure roller 32 with the long nip press N1 place that the pressure roller shown in chain-dotted line can be provided in metal tape 11.Pressure roller 32 shown in Fig. 8 and Fig. 9 can be hot-rolling.
Above description provided the non-limiting example of some embodiments of the present invention.Very clear to those skilled in the art, the invention is not restricted to shown details, on the contrary, the present invention can implement with other equivalent way.
Some features above in disclosed embodiment advantageously can find application under the condition not using other features.Therefore, above description should be regarded as merely the explanation of principle of the present invention and be not limitation of the present invention.Therefore, scope of the present invention is only limited by following claims.
Claims (17)
1. a roller (1), comprises fixed axis (2) and is assembled to the hollow shell (3) on described axle revolvably, and transverse seals (8) and end seal (9,10); Described transverse seals (8) and described end seal (9,10) are arranged between described axle and described shell to form the first balancing gate pit (6) and the second balancing gate pit (7); And described roller (1) can be loaded by being transported to by pressure medium in described first balancing gate pit (6) and/or in described second balancing gate pit (7), to adjust the skew of described shell (3), it is characterized in that, poor by the load caused because of the pressure in described first balancing gate pit (6) and the pressure in described second balancing gate pit (7), to limit by described pressure medium from inside the value of the full payload that described shell (3) causes and direction; And described pressure medium is steam, described roller (1) can be heated by being transported to by described steam in balancing gate pit described at least one (6,7).
2. roller according to claim 1, is characterized in that, described steam is superheated steam.
3. roller according to claim 1, is characterized in that, described axle (2) is hollow.
4. roller according to claim 2, is characterized in that, described axle (2) is hollow.
5. the roller according to claim 3 or 4, is characterized in that, described axle (2) is tubular axis.
6. roller according to any one of claim 1 to 4, is characterized in that, the thickness of described shell (3) is 15mm to 50mm.
7. roller according to claim 6, is characterized in that, the thickness of described shell (3) is 30mm.
8. roller according to any one of claim 1 to 4, is characterized in that, at least one transverse seals (8) comprises the shunting device for steam.
9. one kind comprises the equipment (20,30,31,33) of roller according to any one of claim 1 to 8 (1).
10. equipment according to claim 9, is characterized in that, described roller (1) is migration roller.
11. equipment according to claim 10, is characterized in that, described equipment (20,30,31,33) comprises endless metal belt (11); The hollow shell of described roller (1) is skew adjustable hollow shell (3), and described hollow shell is against described metal tape (11) and arranges, to compensate the Tension Difference in the width direction of described metal tape (11).
12. equipment according to any one of claim 9 to 11, it is characterized in that, in described equipment (20,30,31,33), the described shell (3) of described roller (1) is against described metal tape (11) or fiber web is arranged, with by thermal steering to described metal tape (11) or described fiber web.
13. equipment according to any one of claim 9 to 11, is characterized in that, described equipment (31,33) comprises endless metal belt (11) and the migration roller (1) as band guide reel that at least one can heat.
14. equipment according to any one of claim 9 to 11, it is characterized in that, described equipment (20) belongs to the oven dry portion of fiber web machine; In described oven dry portion, correspondingly replace at least one drying cylinder with at least one roller (1), and the diameter of described roller (1) is less than the diameter of described drying cylinder.
The press section of 15. 1 kinds of fiber web machines, comprises roller according to any one of claim 1 to 8 (1) or the equipment according to any one of claim 9 to 14 (20,30).
The oven dry portion of 16. 1 kinds of fiber web machines, comprises roller according to any one of claim 1 to 8 (1) or the equipment according to any one of claim 9 to 14 (20,30).
The method of 17. 1 kinds of uses roller (1), described roller (1) comprises fixed axis (2) and is assembled to the hollow shell (3) on described axle revolvably, and transverse seals (8) and end seal (9,10); Described transverse seals (8) and described end seal (9,10) are arranged between described axle and described shell to form the first balancing gate pit (6) and the second balancing gate pit (7); Described method comprises by being transported to by pressure medium in described first balancing gate pit (6) and/or loading described roller (1) in described second balancing gate pit (7), to adjust the skew of described shell (3), it is characterized in that, poor by the load caused because of the pressure in described first balancing gate pit (6) and the pressure in described second balancing gate pit (7), to limit by described pressure medium from inside the value of the full payload that described shell (3) causes and direction; And be transported in balancing gate pit described at least one (6,7) as described pressure medium by steam, and heat described roller (1) by steam.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20095899A FI123283B (en) | 2009-09-02 | 2009-09-02 | Adjustable sheath roll, hardware and method |
| FI20095899 | 2009-09-02 | ||
| PCT/FI2010/050676 WO2011027030A1 (en) | 2009-09-02 | 2010-09-01 | Roll with adjustable shell, apparatus and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102482848A CN102482848A (en) | 2012-05-30 |
| CN102482848B true CN102482848B (en) | 2015-02-11 |
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ID=41136368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080037502.1A Expired - Fee Related CN102482848B (en) | 2009-09-02 | 2010-09-01 | Roll with adjustable shell, apparatus and method |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN102482848B (en) |
| DE (1) | DE112010003542T5 (en) |
| FI (1) | FI123283B (en) |
| WO (1) | WO2011027030A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482760A (en) * | 2014-12-01 | 2015-04-01 | 无锡市晶瑜冶金机械有限公司 | Roller component for circular furnace |
| CN106945347B (en) * | 2017-04-19 | 2023-08-18 | 云南全心包装印刷有限公司 | Stable energy-saving steam compression roller and steam energy-saving circulating system using same |
| EP3913133A1 (en) * | 2020-05-20 | 2021-11-24 | Valmet Technologies Oy | Sleeve roll for a wire section of a fiber web machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4440077A (en) * | 1981-05-07 | 1984-04-03 | J. M. Voith Gmbh | Press roller with adjustable bending characteristics |
| DE3625802A1 (en) * | 1986-07-30 | 1988-02-04 | Bhs Bayerische Berg | Roller with adjustable sag for the pressure treatment of webs of material, in particular for the one-sided corrugated-board machine |
| CN1037568A (en) * | 1988-04-27 | 1989-11-29 | 维美德造纸机械有限公司 | Roll adjustable in zones |
| US5193258A (en) * | 1991-11-15 | 1993-03-16 | Beloit Technologies, Inc. | Self-loading controlled deflection roll |
| US6164198A (en) * | 1998-12-16 | 2000-12-26 | Valmet Corporation | Apparatus for calendering paper |
| WO2003064762A1 (en) * | 2002-01-29 | 2003-08-07 | Metso Paper, Inc. | Processing device and method of operating the device for processing a coated or uncoated fibrous web |
| CN2672143Y (en) * | 2004-01-12 | 2005-01-19 | 曹仲勇 | Liquid tire type press roller |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3526283A1 (en) * | 1985-07-23 | 1987-02-05 | Kleinewefers Gmbh | Deflection controllable and heatable roller |
| US5244448A (en) | 1989-05-22 | 1993-09-14 | Valmet Paper Machinery Inc. | Method and apparatus for regulating the temperature of an adjustable-crown roll |
| DE4334347C1 (en) | 1993-10-08 | 1994-09-29 | Kuesters Eduard Maschf | Method for operating a roll and a corresponding roll |
-
2009
- 2009-09-02 FI FI20095899A patent/FI123283B/en not_active IP Right Cessation
-
2010
- 2010-09-01 WO PCT/FI2010/050676 patent/WO2011027030A1/en active Application Filing
- 2010-09-01 DE DE112010003542T patent/DE112010003542T5/en not_active Withdrawn
- 2010-09-01 CN CN201080037502.1A patent/CN102482848B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4440077A (en) * | 1981-05-07 | 1984-04-03 | J. M. Voith Gmbh | Press roller with adjustable bending characteristics |
| DE3625802A1 (en) * | 1986-07-30 | 1988-02-04 | Bhs Bayerische Berg | Roller with adjustable sag for the pressure treatment of webs of material, in particular for the one-sided corrugated-board machine |
| CN1037568A (en) * | 1988-04-27 | 1989-11-29 | 维美德造纸机械有限公司 | Roll adjustable in zones |
| US5193258A (en) * | 1991-11-15 | 1993-03-16 | Beloit Technologies, Inc. | Self-loading controlled deflection roll |
| US6164198A (en) * | 1998-12-16 | 2000-12-26 | Valmet Corporation | Apparatus for calendering paper |
| WO2003064762A1 (en) * | 2002-01-29 | 2003-08-07 | Metso Paper, Inc. | Processing device and method of operating the device for processing a coated or uncoated fibrous web |
| CN2672143Y (en) * | 2004-01-12 | 2005-01-19 | 曹仲勇 | Liquid tire type press roller |
Also Published As
| Publication number | Publication date |
|---|---|
| FI20095899A (en) | 2011-03-03 |
| DE112010003542T5 (en) | 2012-09-13 |
| FI123283B (en) | 2013-01-31 |
| WO2011027030A1 (en) | 2011-03-10 |
| FI20095899A0 (en) | 2009-09-02 |
| CN102482848A (en) | 2012-05-30 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Espoo, Finland Applicant after: Veimeide Technology Co., Ltd. Address before: Helsinki Applicant before: Metso Paper Inc. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: METSO PAPER INC. TO: VEIMEIDE TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |