CN106120424B - Reequip external member, runnability component and the method for improving suction box - Google Patents

Reequip external member, runnability component and the method for improving suction box Download PDF

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Publication number
CN106120424B
CN106120424B CN201610291015.7A CN201610291015A CN106120424B CN 106120424 B CN106120424 B CN 106120424B CN 201610291015 A CN201610291015 A CN 201610291015A CN 106120424 B CN106120424 B CN 106120424B
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air blowing
blowing component
suction box
external member
component framework
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CN106120424A (en
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P·塞莱宁
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Valmet Technologies Oy
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Valmet Technologies Oy
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00Dryer section of machines for making continuous webs of paper
    • D21F5/02Drying on cylinders
    • D21F5/04Drying on cylinders on two or more drying cylinders
    • D21F5/042Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices
    • D21F5/046Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices using pocket ventilation systems
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00Dryer section of machines for making continuous webs of paper
    • D21F5/02Drying on cylinders
    • D21F5/04Drying on cylinders on two or more drying cylinders
    • D21F5/042Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices

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  • Paper (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The purpose of the present invention is the repacking external members and method for improving the suction box in the drying section of paper machine or similar device.Repacking external member further comprises elongated air blowing component framework, which may be adapted to connect with existing suction box.Air blowing component framework includes:Internal service duct, internal service duct extend to second end from the first end of frame;And air blowing component, second end is extended to from the first end of air blowing component framework, which includes blow-out nozzle and compensating chamber, and the air blowing component is connected to service duct.In addition, at least one supply connector is arranged to the end of frame, to supply air to service duct.The invention further relates to a kind of runnability components, wherein repacking external member according to the present invention is attached to the frame structure of suction box.

Description

Reequip external member, runnability component and the method for improving suction box
Technical field
The present invention relates to a kind of repacking external member (retrofit kit), runnability component (runnability Component) and improve suction box method.
Background technology
In the drying section of paper machine or lap machine, dry paper web is conveyed by a net, support passes through hot drying cylinder.It is such The disadvantage is that web has the trend detached with the surface of dry net, so as to cause runnability problems.Particular problem point is so-called Opening clearance, opening clearance are the points that web and net are detached with drying cylinder.In this case, web passes through between net and drying cylinder It crosses, and when net is detached from cylinder, web is easy to therefore be detached from net with cylinder surfaces.Other so-called problem areas are between closure The surface of gap, wherein web and net contact slewing rollers.In this case, web is easy to because of the overvoltage formed in closed-gap Deviate from net.The separation of paper web and net is easy to lead to web break or relaxation or formed in web to fold.In general, web Separation with net leads to runnability problems, this is even more notable when paper machine speed increases.
It is known to use runnability component, such as woollen blanket vacuum suction case or suction box, so as to improve drying section of paper machine Maneuverability.Runnability component is placed in the bag area space (pocket space) between drying cylinder and slewing rollers, and is intended to Negative pressure is generated in bag area space, negative pressure reduces the deviation between web and net.Typical suction box include the first side, the second side, And connect upper surface and connection lower surface.The side and surface limit the inside of suction box, and suction box is provided with suction channel. Sealing device can be set with connecting with the upper surface of suction box in the first side (i.e. the upstream side of suction box) of suction box, to prevent Only air transports bag area space with net.Typically existing suction box is for example disclosed in publication document DE102004036845A1 In.
Runnability component suffer from a problem that be upstream side pollution.In suction box and woollen blanket vacuum suction case, on The surface of side is swum because that discrete material is detached from from web is dirty.Upstream side pollution may lead to blowning installation or air inlet hole plug. When case is in place, in order to avoid blocking, suction, air blowing and machinery can be used to wear away.On the other hand, at least fortune of local stoppages Row component must be removed from bag area space, to clean dirty surface.Certainly, this needs to interrupt production and hardly possible and take.
Can be as far as possible advantageous and desired using existing structure and equipment when updating the drying section of paper machine.Such as Suction box in the existing operating of fruit is substituted by new more effective runnability component, then required input is quite high.It is, therefore, apparent that needing The operating of existing suction box is improved by simple and cost-effective mode.
Invention content
The main object of the present invention is to decrease or even eliminate the above-mentioned prior art problem.
The present invention, which simply and readily changes, has suction box, and efficiency and runnability so as to make them are carried It is high.
The purpose of the present invention is cost-effectively extend the service life of the existing component of drying section.
It is a further object of the present invention to provide a kind of runnability component, the cleaning that upstream side operates element is easy, is quick And it is simple.
In addition to this, to achieve the goals above, the present invention provides repacking external member, for improving paper machine or equality unit Drying section in suction box, the repacking external member further includes elongated air blowing component framework, and the air blowing component framework is suitable for It is connect with existing suction box and the air blowing component framework includes:Service duct fits in ontology, and the supply is logical Road extends to second end from the first end of the ontology;Air blowing component extends to from the first end of the air blowing component framework Two ends, the air blowing component includes blow-out nozzle and compensating chamber, and the air blowing component is connect with insufflation channel;And at least one A supply connector, is arranged in the end of the ontology, for supplying air to the service duct.
Embodiment described herein and their advantage are applied to according to the suitable place of apparatus of the present invention and method, But this and not always certain claims.
According to the present invention is provided to improve the typical repacking set of the suction box in the drying section of paper machine or equality unit Part, the repacking external member include elongated air blowing component framework, and air blowing component framework can adaptedly be connect with existing suction box, and Air blowing component framework includes:
Service duct fits in ontology, which extends to second end from the first end of ontology;
Air blowing component extends to second end from the first end of air blowing component framework, which includes blow-out nozzle and equilibrium Room, and air blowing component is connect with insufflation channel;And
At least one supply connector, is arranged in the end of ontology, for supplying air to service duct.
A kind of typical maneuverability portion for the backweb operation in the drying section of paper machine etc. is provided according to the present invention Part, the runnability component include:
There is suction box elongated box frame structure, the capacity of suction box to limit the first side and the second side and upper company Connect side and lower connecting side;
Suction element is arranged in the first side of suction case frame structure, the also referred to as upstream side of suction box;
The underside frame structure in suction box is arranged at least one lower mechanical sealing element;And
Repacking external member according to the present invention, is attached to the frame structure of suction box.
In the drying section of paper machine or equality unit, the typical method packet according to the present invention for improving suction box It includes:
Remove the highest upstream side mechanical seal component of suction box;And
The air blowing component framework of repacking external member according to the present invention is mounted on to the position of removed mechanical seal component.
Then it was unexpectedly found that, suction box can be only by removing suction box in the drying section of paper machine or lap machine Upstream side at the top of containment member and air blowing component framework is strengthened mounted on its position, can be with the air blowing component Air blowing is generated, and is effectively prevented air and enters a bag area space with running web.Air blowing component is set to air blowing component Frame, air blowing component includes blow-out nozzle and compensating chamber, or even can supply and blow in the entire width range of web.Suction box Improvement can be easy, be simply completed by using repacking external member, repacking external member includes such as insufflation part frame and optional It is necessary to attachmentes for the institute such as containment member frame.In this way, the existing suction box of drying section can be used effectively, this is just Naturally the newer overall cost of drying section is reduced.
In this application, suction box is to instigate paper web equipment stable especially in drying section in the paper machine. Suction box typically comprises elongated box frame structure, extends transversely essentially through paper in paper machine or equality unit The entire width of width or equivalent.The first end of suction box is typically lain in the first edge of paper web or close to the first side Edge, and the second end of suction box is located in the second edge of paper web or close other edge.Usually, suction box is formed from steel. In general, suction box is arranged in drying section in the bag area space by net limitation, net runs to the second drying cylinder from the first drying cylinder, and At the online operation steering component (such as steering cylinder, slewing rollers etc.), with from bag area space removal air and to this At least part in the areas Ge Dai space manufactures negative pressure region.The bag area space of this papermaking apparatus, the drying section central roll of paper machine, Cylinder etc. and the net being supported by it limit the space, wish to form pressure more lower than bag area spatial peripheral within this space.It is logical Often, bag area space is limited by two continuous or neighbouring drying cylinders, the steering component between them and operation by their net.
In this application, the upstream side of suction box or runnability component refers to the first drying cylinder along paper machine or similar devices The part of longitudinal direction side or surface (preferably half).Similarly, the side of leaving of runnability component or suction box refers to Runnability component of two drying cylinders along longitudinal direction (traffic direction of web after also becoming) side of paper machine or similar devices Part or surface (preferably half).
So repacking external member includes elongated three-dimensional air blowing component framework, air blowing component framework is arranged to and existing suction box Connection.Air blowing component framework can be arranged to be directly attached to the frame structure of suction box, or optionally, air blowing component framework Own partial can be separately attached to paper machine or cardboard machine frame, or be attached in suitable frame structure.Usually, Air blowing component framework can be attached to the upper frame (for example, upper surface of suction box) of the frame structure of suction box, be taken with this The top mechanical sealing element that generation removes from suction box.Air blowing component framework is preferably to allow the thermal expansion of air blowing component framework Mode be attached to the frame structure of suction box.The clamp device used is the typical machine such as bolt, sliding members or similarity piece Tool clamp device, clamp device are provided in the groove, slit or similarity piece of at least one end of suction case frame structure and move It is dynamic.According to one embodiment, air blowing component framework can be attached to the frame structure of suction box from such as 2 to 5 attachment points.
Air blowing component framework preferably extends to other edge from the first web edge and across entire paper web or equivalent, Also referred to as from the first end of suction box to second end.In this case, the overall length of air blowing component framework usually can be 5 to 10m。
The outer wall of air blowing component framework surrounds the internal volume of ontology.Air blowing component framework can be made of metal, such as aluminium Or steel, or optionally, fiber-reinforced composite material.Preferably, air blowing component framework is made of metal, and is more preferably implemented Example, air blowing component framework is at least partly made of extrusion profile, for example squeezes out aluminium.
In one embodiment of the invention, air blowing component framework is configured to along perpendicular to the direction of body length direction being in Taper.In practice, therefore air blowing component framework is tapered upwards, to be easily adapted for the space retained between drying cylinder.
Air blowing component framework further include in intrinsic service duct, the channel from the first end of ontology extend to its Two ends.Service duct is supplied to the air of cross-machine along the length direction distribution of air blowing component framework.Service duct is logical At least one of the first end of ontology import supply is crossed to blow.Therefore, it is logical to be connected to supply for solids inlet (solid inlet) Road, wherein the air supplied is evenly distributed along the length of service duct on cross machine stream always.In one embodiment, The both ends of air blowing component framework can be provided with the import for supplying air to service duct, especially if supply is logical If Taoist priest.Width regardless of drying section, the space retained between drying cylinder in drying section are all identical.The size of intake channel Cannot therefore it increase, even if the required length of air blowing component framework can increase, the speed of air feed passage will not increase, because It can lead to runnability problems for this.In this case, in order to ensure air it is uniform supply and distribution, air be configured to from The often end in channel is supplied to service duct.The air capacity for being supplied to service duct is determined by the width of drying section.In general, channel In blowing speeds be 15-35m/s, preferably 20-25m/s.
According to a preferred embodiment, the service duct of air blowing component framework has equal to a diameter of 200-400mm, preferably The ontology cross-sections surfaces of the surface area of the circle of 300-350mm are accumulated.The shape of service duct can be round or angular.For example, logical The diameter in road can be similar round (section is removed).Service duct cross-sectional area can also be along the vertical of air blowing component framework Reduce to direction.Air blowing condition can by the change of cross-sectional area, will also supply air and be more uniformly distributed to blow Channel controls.
Air blowing component framework is provided with air blowing component, air blowing component from the first end of air blowing component framework extend to its second End, air blowing component includes blow-out nozzle and compensating chamber, and air blowing component is connected to service duct.Therefore, the air of supply by from Service duct is supplied to the compensating chamber of air blowing component, and air passes through blow-out nozzle and its air blowing gap or opening from compensating chamber and pastes The net for traffic direction is blown outward, that is, leaves possible containment member frame.Therefore, compensating chamber keeps air flat and makes air edge Machine direction is directed to blow-out nozzle, and if it is necessary, act as washing channel.Air blowing component preferably includes flexibility and blows Gas jets.The function for the air blowing component being arranged in air blowing component framework is that air is discharged from the negative pressure region in bag area space And/or prevent air from entering a bag area space.
According to a preferred embodiment of the invention, the outer surface of air blowing component framework is configured to be bent along blowing direction and tight Sealing surfaces are formed at the position of adjacent air blowing component.Therefore, the air blowing of the blow-out nozzle from air blowing component is directed into curved Sealing surfaces, wherein air-flow pass through along the sealing surfaces, and can utilize Coanda effect when implementing air blowing with known method (Coanda effect), to generate and to guide air-flow.Web and net by curved surface are intended to dispose in a controlled manner Near curved surface, fixed distance, because they will be by a surface support.
Under normal operating conditions, sealing surfaces are placed at mobile network or the seal point of mobile web.Just The distance between the mobile network or web of sealing surfaces and seal point are known as seal distance under normal operating status.It blows including flexibility The air blowing component of nozzle has sealing surfaces, and sealing surfaces can be hinged and be attached to air blowing component framework, to make sealing surfaces It can change at a distance from net.Sealing surfaces can be by redirecting to the required safety at a distance of net automatically or using appropriate device Distance.In a preferred embodiment, minimum distance of the sealing surfaces at a distance of the surface of drying cylinder can be 5 to 12mm, preferably 7 to 9mm。
In one embodiment of the invention, the blow-out nozzle of the air blowing component of air blowing component framework include air blowing gap or Person's at least row's blow openings.The width in air blowing gap can be 5 to 10m, and preferably prolong from the first end of air blowing component framework Reach second end, and the therefore corresponding web width run in drying section.If blow-out nozzle includes blow openings, those The shape of blow openings can be oval or round.It can also be multiple rows of blow openings more than one, in this case, it A distance apart be arranged in parallel.
The blow-out nozzle of air blowing component is blown with the speed of 30m/s-120m/s, the air blowing speed of preferably 60m/s-90m/s Degree.
In a preferred embodiment of the invention, air blowing component framework further includes cleaning connector, and cleaning connector is arranged to and blows The compensating chamber of gas component connects.Connector setting is cleaned to the end of air blowing component framework.With the help of cleaning connector, pressure (hydraulic) water It can be fed into the compensating chamber of air blowing component, and therefore by injection blow-out nozzle, the die gap and die gap of nozzle To be cleaned around the upstream side in region.
Be attached to pressure (hydraulic) water hose cleaning nozzle may also pass through cleaning connector be inserted into compensating chamber, which is cleaning Nozzle advances with the help of spraying water backward in compensating chamber.When carrying out in this way, cleaning nozzle cleans blow-out nozzle Compensating chamber, die gap and there may be region around the upstream side in die gap region.Due to water or cleaning nozzle from Cleaning connector is supplied to the end sections of air blowing component framework, so runnability component or suction need not be removed from bag area space Case is to be cleaned.This simplifies to a great extent and the cleaning of the upstream side of Accelerating running component.In general, water with 6 to The pressure of 10bar supplies.Extra water can be directed to service duct from compensating chamber.The end set of service duct has draining to connect Fitting, water can be routed away from air blowing component framework by drainage connector.
In another embodiment of the invention, in addition to air blowing component framework, repacking external member includes individually elongated close Seal component framework, the containment member frame be arranged to air blowing component framework position a distance away at connect with suction box It connects, and the containment member frame includes the adjustable mechanical sealing that its second end is extended to from the first end of containment member frame Element.Identical as air blowing component framework, containment member frame is fastened to suction in a manner of allowing containment member frame to thermally expand Case.According to one embodiment, containment member frame can be attached to the ontology of suction box from such as 3 to 6 attachment points.At this In a embodiment, lower part the second mechanical seal component of the upstream side of suction box is removed, and containment member frame is installed in this Position.
Containment member frame is usually disposed as aspirating the ground connection that under gap or suction opening is connected with suction box in upstream side Attachment.In general, the distance between containment member frame and air blowing component framework are 80-130mm, preferably 100-120mm.
Containment member frame is typically made of extrusion profile (for example squeezing out aluminium), and includes from containment member frame First end extends to the adjustable mechanical sealing element of its other end.According to a preferred embodiment of the invention, sealing structure is arrived in setting The mechanical sealing element of part frame can be labyrinth sealing.Sealing element may include at least one room labyrinth sealing, excellent Select multicell labyrinth sealing.There are two usually used labyrinth sealing tools, three, four or five rooms.
Sealing element may include obturator, the obturator preferably byIt is made.
According to an embodiment of the invention, the sealing element of containment member frame is provided with the obturator for adjusting sealing element The device of distance about drying cylinder.This allows according to respective driving condition for optimizing the distance between obturator and net. In mode standard, obturator is 0-2mm, preferably 0.5-1mm at a distance from net, and under the maintenance state of sealing element, The obturator of sealing element can pivot away from net.This prevents sealing element and/or fabric damage.The position of sealing element can To be adjusted by using adjustment means, for example it is arranged in the end of sealing element, the adjusting screw at the front side of drying section.
According to one embodiment of present invention, repacking external member further includes barrier plate, which is suitable for by clamp device And it is detachably attached to suction box, with the suction of this upstream side for preventing suction box.Therefore barrier plate can be arranged to taking out The upstream side covering suction gap of suction box or suction hole.It can prevent to aspirate with the help of covering suction gap or suction hole, The suction can fight effect caused by air blowing component.Meanwhile protecting the energy maintained in bag area space needed for negative pressure.This Outside, barrier plate can be shaped as the surface between containment member frame and air blowing component framework, and the performance of the component is made to optimize.
It will be noted that preferably when changing suction box according to the present invention, places or work in the bottom of suction box Lower seal member remain unchanged.These lower seal members are in upstream side and leave between side seal suction box and reverse rollers Gap.In the same manner, it can be acted on initial mode by the suction of the lower part of suction box.The lower part of vacuum tank is herein Refer to runnability component near the part or surface of steering component (such as slewing rollers).The lower part of suction box include essentially toward The lower surface of steering component (such as slewing rollers) setting.
In this application, paper machine or equality unit mean such as paper machine or lap machine.Paper machine or equality unit Horizontal direction refer to the main traffic direction for crossing web and net direction.The main traffic direction of web and net is known as machine side To.Net in paper machine etc. means the generally planar and normal fabric made of plastics or metal, in paper machine or similar dress The paper web set is passed under the support of net.
In general, in paper machine or similar device, the end in bag area space is sealed, such as end plate according to prior art (such as gap plate).The edge of the perpendicular on machine both sides is arranged according to machine direction for end plate, and between end plate Limited space is in drying cylinder, reverse rollers, net and web.
The invention is particularly suited to the single-tier dryer sections of paper machine.
Description of the drawings
The present invention will be specifically described with reference to appended explanatory view, in the accompanying drawings:
Fig. 1 shows the suction box of the prior art,
Fig. 2 shows the repacking external members according to an embodiment of the invention that installation is connect with suction box, and
Fig. 3 specifically illustrates repacking external member according to an embodiment of the invention.
Specific implementation mode
Fig. 1 shows the suction box of the prior art.Suction box 1 is arranged on by the first drying cylinder 100, the second drying cylinder 101 and turns In the bag area space limited to component 102.The direction of rotation of drying cylinder and steering component is shown with arrow.First mechanical seal component 2 are set to the top surface of suction box 1.Second mechanical seal component 2 ' is arranged on 2 lower section of containment member and has one with it Segment distance, and in the upstream side 1 ' of suction box 1.Suction gap is provided between mechanical sealing element 2 and 2 ', suction gap allows Suction tube 3 is drawn at the top of suction box 1.Suction is shown with arrow A.Mechanical seal component 2,2 ' and containment member it Between suction seal the inlet side in the gap for opening bag area space, and prevent air from entering a bag area space.
Similarly, by suction box 1 be arranged via suction box 1 lower surface 1 " to downside suction tube 4 suction.Suction is used Arrow B is shown.What is connect with the lower part of suction box 1 is additionally provided with lower seal member 5,5 ', and lower seal member 5,5 ' seals In the upstream side of suction box 1 and leave the gap that side leaves between suction box 1 and the surface of slewing rollers 102.
Fig. 2 shows the repacking external members according to an embodiment of the invention that installation is connect with suction box.First, setting is arrived The upper surface and mechanical seal component being arranged in the upstream side of suction box 1 is removed.Reequip the air blowing component framework of external member 11 and containment member frame 12 be configured to replace the containment member.Air blowing component framework 11 is arranged to upper with suction box 1 Surface connects.Inlet ducts 13 supply air to the channel of air blowing component framework, shown in dotted line in figure.
Containment member frame 12 is arranged on the upstream side 1 ' of suction box 1, and below air blowing component framework 11 one section away from From place.Containment member frame includes sealing element 14.Upstream side 1 ' with barrier plate covering air blowing component framework 11 and sealing structure The suction gap left between part frame 12, is shown in broken lines in fig. 2.When driving condition needs it, can execute will hinder Baffle is attached to the suction gap in the upstream side 1 ' on the top of suction box 1.
Fig. 3 more specifically shows repacking external member according to an embodiment of the invention.Air blowing component framework 11 and suction Case 1, which is connected, is grounded attachment, is located at the upper surface of suction box 1.Include service duct 15 in the ontology of air blowing component framework 11, this is logical Road extends to its second end from the first end of air blowing component framework 11.In service duct 15, air is by supply connector (with void Line is shown) 13 supplies.Air from service duct 15 is assigned to the compensating chamber 17 of (divide) air blowing component 16, and logical from this The direction of travel (not shown) crossed the die gap of blow-out nozzle 18 and netted relatively drives in the wrong direction.Air blowing from blowning installation 16 is drawn Curved sealing surfaces 19 are led, to make air-flow pass through along the surface.Sealing surfaces 19 are hingedly attached to air blowing component frame Frame 11 allows sealing surfaces 19 to change if necessary at a distance from net.
In addition, Fig. 3 shows that the cleaning connector 20 in the end of air blowing component framework, the connector are arranged to and air blowing component 16 Compensating chamber 17 connect.By cleaning connector, pressure (hydraulic) water or the cleaning nozzle of end for being attached to pressure (hydraulic) water hose can be supplied It is given to compensating chamber, which advances due to spraying water backward from cleaning nozzle in compensating chamber.In this way, compensating chamber 17, blow-out nozzle 18 and air blowing gap are easy to be cleaned.Extra clean water is oriented to service duct 15 from compensating chamber 17, and supply is logical The end set in road 15 has drainage connector 21.Extra clean water can be routed away from air blowing component by drainage connector 21 Frame 11.
11 lower section setting sealed nozzle component framework 12 of air blowing component framework, sealed nozzle component framework 12 is also attached to pumping Suction box 1.The attachment of 12 the two of air blowing component framework 11 and containment member frame allows the thermal expansion relative to suction box 1.Sealing Component framework 12 includes sealing element 14 (being labyrinth herein).The sealing element 14 of containment member frame 12 is arranged It is useful for adjusting the device of the distance of the seal member of sealing element 14.This prevents sealing element 14 and/or fabric damage.Sealing The position of element 14 can be adjusted by using adjustment means, and the adjusting screw in 14 end of sealing element is such as arranged.
It can stop that the suction between air blowing component framework 11 and containment member frame 12 is stitched with barrier plate 22, with dotted line It shows.
The example that the present invention is not intended in by above-described embodiment is limited, and is intended to be widely used in following following claims restriction Inventive concept in the range of.

Claims (17)

1. reequiping external member, the suction box in drying section for improving paper machine or equality unit, which is characterized in that the repacking External member further includes elongated air blowing component framework, and the air blowing component framework is suitable for connecting with existing suction box and described Air blowing component framework includes:
Service duct fits in ontology, and the service duct extends to second end from the first end of the ontology;
Air blowing component extends to second end from the first end of the air blowing component framework, and the air blowing component includes blow-out nozzle And compensating chamber, and the air blowing component is connect with service duct;And
At least one supply connector, is arranged in the end of the ontology, for supplying air to the service duct.
2. repacking external member according to claim 1, which is characterized in that the air blowing component framework further includes cleaning connector, The cleaning connector is arranged to connect with the compensating chamber of the air blowing component.
3. repacking external member according to claim 1, which is characterized in that the air blowing component framework be formed as with described It is tapered on the vertical direction of the length direction of body.
4. repacking external member according to claim 1, which is characterized in that the air blowing of the air blowing component of the air blowing component framework Nozzle includes air blowing gap.
5. repacking external member according to any one of claim 1 to 4, which is characterized in that outside the air blowing component framework Surface is formed as curved sealing surfaces at the position close to the air blowing component.
6. repacking external member according to any one of claim 1 to 4, which is characterized in that the air blowing component framework is by squeezing Go out proximate matter to be made.
7. repacking external member according to claim 6, which is characterized in that the air blowing component framework is made of extrusion aluminium.
8. repacking external member according to any one of claim 1 to 4, which is characterized in that the confession of the air blowing component framework The cross-sectional area in channel is answered to be equal to the surface area of the circle with diameter 200-400mm.
9. repacking external member according to claim 8, which is characterized in that the service duct of the air blowing component framework it is transversal Face area is equal to the surface area of the circle with diameter 300-350mm.
10. repacking external member according to any one of claim 1 to 4, which is characterized in that the two of the air blowing component framework End is provided with the supply connector for supplying air to the service duct.
11. repacking external member according to any one of claim 1 to 4, which is characterized in that except the air blowing component framework it Outside, the repacking external member further includes individually elongated containment member frame, the containment member frame:
Suitable for and air blowing component framework position a distance away at connection be attached the suction box;And
Including adjustable mechanical sealing element, the mechanical sealing element extends to from the first end of the containment member frame Two ends.
12. repacking external member according to claim 11, which is characterized in that the mechanical sealing element of the containment member frame It is labyrinth sealing.
13. repacking external member according to claim 11, which is characterized in that the mechanical sealing element of the containment member frame It is provided with device of the obturator for adjusting the mechanical sealing element at a distance from drying cylinder.
14. repacking external member according to any one of claim 1 to 4, which is characterized in that the repacking external member further includes resistance Baffle, the barrier plate are suitable for releasably being attached to the suction box by attached device, to prevent from taking out from upstream side It inhales.
15. a kind of runnability component is used to support the web run in the drying section of paper machine, the runnability component packet It includes:
There is suction box elongated box frame structure, the capacity of the suction box to limit the first side and the second side and upper company Connect side and lower connecting side;
Suction element is arranged in the first side of the suction case frame structure, the upstream side of the also referred to as described suction box;
At least one lower mechanical sealing element is arranged in the underside frame structure of the suction box;And
It is characterized in that, the repacking external member according to any one of claim 1-14 is attached to the frame knot of the suction box Structure.
16. the method in the drying section of paper machine or equality unit for improving suction box, which is characterized in that the method packet It includes:
Remove the highest upstream side mechanical seal component of the suction box;And
It is close that the air blowing component framework of repacking external member according to any one of claim 1-14 is mounted on to the machinery removed Seal the position of component.
17. according to the method for claim 16, which is characterized in that the second lower seal member of upstream side of the suction box The containment member frame of the removed and described repacking external member is installed in the position of the second lower seal member of the upstream side It sets.
CN201610291015.7A 2015-05-04 2016-05-04 Reequip external member, runnability component and the method for improving suction box Active CN106120424B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20155323 2015-05-04
FI20155323A FI128229B (en) 2015-05-04 2015-05-04 Retrofitting kit, drivability component and method for modifying a suction box

Publications (2)

Publication Number Publication Date
CN106120424A CN106120424A (en) 2016-11-16
CN106120424B true CN106120424B (en) 2018-07-17

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Publication number Priority date Publication date Assignee Title
FI11634U1 (en) * 2017-03-09 2017-04-27 Valmet Technologies Oy Runability component and arrangement for a drying section of a fiber web machine
FI129277B (en) * 2020-10-26 2021-11-15 Valmet Technologies Oy A runnability component for a drying section

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1193343A2 (en) * 1996-01-30 2002-04-03 Voith Paper Patent GmbH Device for guiding a fibrous web in a single row drying section
DE102004061012A1 (en) * 2004-01-15 2005-08-04 Metso Paper, Inc. Process and assembly to measure sieve belt tension in papermaking process by laser detection and computer calculation
CN1714198A (en) * 2002-12-19 2005-12-28 美卓造纸机械公司 Arrangement for stabilizing a web
DE102004036845A1 (en) * 2004-07-29 2006-03-23 Voith Paper Patent Gmbh Boundary layer air seal for moving dry web of paper, tissue paper or carton has parallel transverse array of brushes
CN101910512A (en) * 2007-12-31 2010-12-08 美卓造纸机械公司 Arrangement and method for controlling underpressure in a drying section of a paper machine or the like
CN103174050A (en) * 2011-12-20 2013-06-26 美卓造纸机械公司 Runnability component and method for drying a paper web

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994003675A1 (en) * 1992-07-31 1994-02-17 J.M. Voith Gmbh Assembly with a suction roller

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1193343A2 (en) * 1996-01-30 2002-04-03 Voith Paper Patent GmbH Device for guiding a fibrous web in a single row drying section
CN1714198A (en) * 2002-12-19 2005-12-28 美卓造纸机械公司 Arrangement for stabilizing a web
DE102004061012A1 (en) * 2004-01-15 2005-08-04 Metso Paper, Inc. Process and assembly to measure sieve belt tension in papermaking process by laser detection and computer calculation
DE102004036845A1 (en) * 2004-07-29 2006-03-23 Voith Paper Patent Gmbh Boundary layer air seal for moving dry web of paper, tissue paper or carton has parallel transverse array of brushes
CN101910512A (en) * 2007-12-31 2010-12-08 美卓造纸机械公司 Arrangement and method for controlling underpressure in a drying section of a paper machine or the like
CN103174050A (en) * 2011-12-20 2013-06-26 美卓造纸机械公司 Runnability component and method for drying a paper web

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