CN102383331A - Scraper trench - Google Patents
Scraper trench Download PDFInfo
- Publication number
- CN102383331A CN102383331A CN2011102632290A CN201110263229A CN102383331A CN 102383331 A CN102383331 A CN 102383331A CN 2011102632290 A CN2011102632290 A CN 2011102632290A CN 201110263229 A CN201110263229 A CN 201110263229A CN 102383331 A CN102383331 A CN 102383331A
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- China
- Prior art keywords
- groove
- flow
- scraper groove
- base components
- scraper
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/32—Washing wire-cloths or felts
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G3/00—Doctors
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
- D21H23/34—Knife or blade type coaters
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Abstract
The present invention relates to a scraper trench (10) formed by a long groove shaped basic element (1), wherein the basic element is provided with a first end face (6), a second end face (7) and a liquid flow receiving opening (2), the receiving opening can be aligned to a web of fiber processing element (50), and receives the liquid flow discharged from the web of fiber processing element, the basic element (1) is formed by a fiber composite material with a cavity, and forms an integrated supporting and trench structure used for a liquid discharging apparatus (20).
Description
Technical field
The present invention relates to a kind of scraper groove.The present invention is special but be not limited to relate to the scraper groove of the flow that a kind of treatment element that is used to collect by fiber web machine scrapes.
Background technology
In paper machine and board machine, be provided with groove relatively with the scraper of roller.By scraping, scraping blade is fixed on the doctor blade holder that extends with respect to transverse machine through scraping blade on the roller surface.Liquid and with the impurity of this liquid from the roller surface discharge to groove, if these impurity continue to move, will produce injurious effects on the roller surface.The flow that is flowed out is discharged into machine side surface through scraping blade and by means of groove, makes flow no longer be arranged on the pending fiber web and surrounding environment thus.
As time goes on, develop and realized that the multiple different scraping blade that utilizes that is used for paper machine and board machine collects the solution of liquid.For the different sizes relevant and the bleeding point of width, need tailor groove with space requirement.Usually groove is fixed on the setting a roof beam in place of supporting scraping blade.Thus, if backbar does not possess the rigidity corresponding to the scraper groove, and its structure might make the performance of scraping blade go wrong when having bigger weight, and the problem that other cause owing to vibration and the bending of setting a roof beam in place occurs.Because the change of backbar position, the performance of groove will worsen, and perhaps in order to ensure the function of groove, just must adjust the attitude of groove separately.In particular for the target of broad well-designed independent groove, have enough rigidity in order to ensure groove, just must strengthen the external dimensions of groove.The doctor blade holder of supporting groove also must enlarge, in order to avoid the performance of groove infringement scraping blade.Because the increase of external dimensions and installation weight is difficult to groove is arranged on the narrow and small position, also is like this under special circumstances.Design and to make the required cost of groove be used for narrow and small position higher, and time-consuming.In addition, the cleaning to known groove also is proved suitable trouble.Generally, groove is configured to comprise the metal plate structure of seam and ribbed stiffener, and in seam and ribbed stiffener, contains impurity that the labour intensity of removing these impurity at machine intimate is higher and relatively more difficult.
A kind of backbar that is used for scraping blade has been described in patent documentation DE10059281A1.This backbar has circular or polygonal cross section, and its periphery sealing, inner hollow.This backbar of being made up of fibrous material is processed through winding.
Summary of the invention
The objective of the invention is to reduce the deficiency that exists in the prior art, and propose a kind of blanket structure that is used to gather the flow of fiber web treatment element.
A kind of scraper groove that is made up of the base components of long groove shape is proposed according to a first aspect of the invention; The flow receiving port that this base components has first end face, second end face and between first and second end faces, extends; This receiving port is set to for this reason; Make its aligned fibers width of cloth material treatment element, and will receive in this base components from the flow that the fiber web treatment element is discharged.Base components is processed by the fibrous composite with cavity (hollow composite material (Hohlkomposit), English are passage composite (channel composite)), and constitutes integrated supporting and groove structure, is used for the flow tapping equipment.
A kind of method that is used to make the scraper groove is proposed according to a second aspect of the invention; This scraper groove is made up of the base components of long groove shape; The flow receiving port that this base components has first end face and second end face and between first and second end faces, extends, this receiving port is set to for this reason, makes its aligned fibers width of cloth material treatment element; And will receive the base components from the flow that the fiber web treatment element is discharged; Wherein, base components in the method is made up of the fibrous composite with cavity, and is formed for the integrated supporting and the groove structure of flow tapping equipment.
The flow tapping equipment preferably is made up of doctor blade device, and this doctor blade device comprises bear a heavy burden relative with the fiber web treatment element/squeezable scraping blade.
Base components preferably has the inner surface of groove shape, this inner surface is shaped to, along vertical guiding flow of scraper groove.This inner surface can be made up of anti-fouling material.This inner surface can have nonpolluting coating.
Base components preferably includes curved exterior surface and curved inner surface, and this inner surface and outer surface are provided with the distance against each other that reduces gradually on the direction of at least one end face of base components.
Preferably the inner surface with base components is modelled as, and it is carried from the zone line of base components flow to end face.
Base components preferably can bearing load, these loads by be fixed on the scraper groove, be used for the fiber web production process device and quality and running produce.
The flow receiving port preferably includes the first long edge, and doctor blade device is set above that.
The flow receiving port preferably includes the second long edge, and flusher is set above that.
Preferably on the end face of base components, be fixed with antetheca, this antetheca has at least one flow openings, is used for guided liquid-flow and passes outwards through antetheca from scraper groove inside.
Preferably the scraper groove is set to, and flow is flowed in the flow openings that the scraper groove can both freely pass at least one antetheca under with respect to any running status of scraper groove wobble axle.
Preferably on the end face of base components, antetheca is set, is used for the scraper groove is fixed on external structure adjustably.
The scraper groove preferably includes the spray plate in order to the guided liquid-flow in the inside of scraper groove, and this spray plate and antetheca are provided with explicitly.
The scraper groove can be fabricated to normal structure, and wherein, for traditional different each other solution of being designed and Implemented, the scraper groove can use on different positions in paper machine and board machine.In the scraper groove, can will support the doctor blade holder of scraper through the mode of compactness unites with the function of independent groove.
Can obtain product scope clearly through standard module, can also make the advantage of batch process simultaneously and compare reinforcement more in the past.The design and the manufacturing cost of each assembly reduce along with the increase of quantity.Can produce the uniform resulting structure of quality through single shape.Standard module for example can be about being fixed on the installation on the external structure with scraping blade, jet pipe and groove and adjusting.The scraper groove normal structure that therefore, can for example only utilize three external diameters to vary in size just can cover the pith of scraper groove installation site.In the same production line of forming by workpiece (St ü cken), can be in the maximum length of confirming by shape with following worker spare.At present, production line can for example preferably include and surpass 5 onesize scraper grooves, with for example two the onesize grooves before substituting.In addition, because the tool of production that had existed already can make the additional production of onesize scraper groove save time.Now, can order make the groove blank, wherein only the part of existing object finally processed with the mode of producing in batches.Remaining blank can store, and finally processes to new object afterwards.
Hollow composite material comprises the supporting structure of cavity-like, and the gross weight of product is starkly lower than the product of being processed by metal sheet.This hollow composite material structure is safe and reliable, because it has also kept rigidity under the situation of part or surface damage, and its reparation is simple, need not special tool(s).This structure can stand higher temperature and can not burn.Utilize this material can make scraper groove very light, hard and that vibration characteristics is good.
Under concrete condition, preferably can utilize inserts (insert) fixing point to be set on desired point, the needs that are used to device to be supported, supporting scraper groove and satisfy the flow floss hole for the scraper groove.Therefore the groove shape structure that is made up of the base components of scraper groove fibrous composite being used to of forming can change like this: make its according to application as supporting member, be used for the needed dissimilar device of fiber web production process and other scraper, wash mill, apparatus for coating and measurement watch-dog.Inserts can or when making the scraper groove and shape embed relatively, perhaps be embedded into afterwards.Employed device can be integrated in this structure, thereby the material of being carried secretly by the flow of spraying is placed on these devices.
Characteristic that can application of polymeric materials in the structure of fibrous composite, these solutions make it possible to advantageously at first just mobilely realize with the cleaning that keeps machine.The scraper groove of realizing as fiber composite structure can have continuous surface, at this lip-deep foreign matter still less.This even, smooth surface also is easy to cleaning.Utilizing suitable coating can avoid dirt to be bonded at flow collects on the surface.This anti-(dirt) coating can for example be coated on the inner surface of groove when making groove.
Utilize the design principle of fibrous composite scraper groove will make product scope be able to simplify.The use of this standard solution provides better overall control, better the production efficiency of design and organization of production and raising.
The functional characteristic of multipurpose scraper groove that relates to collection and the guiding of flow does not rely on the attitude of scraper and obtains good maintenance.Therefore, the scraper groove of the compactness of supporting scraper equipment can be installed in fiber web machine on the different positions.Groove shape scraper supporting device open in its cross-sectional profiles can use on different positions.Consider the fiber web manufacture process, can the position and the attitude of scraping blade suitably be combined, and need not yield to the restriction of suffered groove.For the scraper groove, can also in the machine of running, on point of application, pursue best attitude, and can therefore the guiding of flow in groove is not interfered for the scraper groove.
Various embodiment of the present invention will or have been described with one or more viewpoints of the present invention explicitly.Need to prove that for the professional any embodiment of viewpoint of the present invention can use separately, or is used in combination with other viewpoint under same insight of the present invention or different viewpoints.
Description of drawings
With reference to the accompanying drawings the present invention is done exemplary illustration.
Fig. 1 shows the observed from the side scraper groove of a preferred embodiment of the invention;
Fig. 2 shows the scraper groove among Fig. 1 with perspective view;
Fig. 3-5 shows the scraper groove that is in diverse location and running status.
The specific embodiment
In the following description, identical part is used identical Reference numeral.Accompanying drawing shown in it should be noted that not is that chi integral body is drawn in proportion, and mainly is to be used to explain embodiment of the present invention.
Comprise the base components 1 of the elongation of being processed by fibrous composite like Fig. 1 to scraper groove 10 shown in Figure 5, this base components is that the structure of groove shape constitutes by cross section.The whole length of this groove shape structure extend past base components 1; Its open area is configured for the receiving port 2 of flow, and this opening 2 is at scraper duration of work aligned fibers width of cloth material treatment element, to receive flow from the fiber web treatment element; For example roller 50 or the band, the screen cloth of paper machine or felt.Base components 1 has curved exterior surface 3 and curved inner surface 4, falls in order to make flow, makes the relative distance setting of surface 3 and 4 to change.The relative distance that preferably makes inner surface and outer surface reduces towards the end face of base components gradually.Relative distance between outer surface and the inner surface has determined along the base components thickness of cross section profile arbitrarily longitudinally.The profile of outer surface 3 preferably is of similar shape on all cross sections of base components.The shape of the cross-sectional profiles of inner surface 4 preferably with the shape-consistent of outer surface profile, its difference is that the cross-sectional profiles of inner surface 4 is littler, and diminishes gradually to zone line from two ends of base components.Inner surface 4 preferably is made up of the zone of two bendings, and these two regional guidances liquid flow flowing in groove flows to the end face of base components from middle zone 5.
In other some embodiments; The shape of the lateral contour of inner surface 4 profile same and outer surface is different; The lateral contour of inner surface 4 is less than the lateral contour of outer surface 3, and the second end from the first end of base components towards base components diminishes.Then, inner surface 4 is made up of the zone of bending, and this regional guidance liquid flow flowing in groove flows towards the direction of the second end of base components from the first end edge of base components.
Base components 1 has first end face 6 and second end face 7, and these two end faces preferably are made up of first smooth front surface and the second smooth front surface, and it interconnects with inner surface and outer surface on the end face of base components.Observe from the end face of base components 1, the surface of the cross-sectional profiles of base components 1 and end face 6 and 7 forms C shape.The profile of the fiber composite structure of base components preferably from the centre to end face attenuation gradually.On end face 6 and 7, profile thickness is with letter " h " expression, and in the zone line of inner surface, profile thickness is with letter " H " expression.In the groove shape structure of base components, the longitudinal edge 8,9 of flow receiving port 2 is made up of surface longitudinally, and this vertically connects outer surface 3 and inner surface 4 in the surface.See to the second end that from the first end of base components these two vertically surperficial outer rims are straight, and these two vertically surperficial inner edges has the shape that conforms to the inclination of inner surface 4.Preferably during fabrication inserts is fixed on vertical surface, can be for example fixed thereon through screw according to the corresponding use location and the running status of device/apparatus.
To concentrate on the inner surface 4 by the flow that fiber web treatment element (for example roller) scrapes off, and, be in some embodiments along carrying towards the direction of end face along carrying towards the direction of base components 1.
Antetheca 11 preferably has first flow openings, 14, the second flow openings 15 and the 3rd flow openings 16, comes out to pass antetheca 11 in order to the flow that guiding accumulates on the inner surface 4 from the scraper groove.Certainly, the quantity of flow openings maybe be different.Under every kind of running status of scraper groove 10, the flow that is directed flows through at least one flow openings.Size for flow openings; Need the position of common decision flow openings with respect to the cross section of inner surface 4; The size of flow openings; The cross-sectional profiles of inner surface 4, inner surface 4 make flow arrive outside the antetheca 11 through at least one flow openings 14,15,16 along near the big and form of inner surface 4 flow openings of scraper groove fore-and-aft tilt thus.The appropriate area of inner surface 4 can compare the inner surface 4.1 that is close to through mode as shown in Figure 1 on each flow openings more the lowland is molded and shaped; Even if very little fluid flow also can be flowed well, and therefore also possibly discharge solid impurity better.In flow openings 14,15,16, can be provided for discharging joint (the Muffe)/socket of flow, can connect drainpipe on it.
In order to discharge the flow of leaving from the fiber web treatment element, on first longitudinal edge 8 of the flow receiving port 2 of scraper groove 10, scraper 20 is set.The blade holder 22 that scraper 20 comprises doctor blade holder 21 on first edge 8 that abuts in receiving port 2, on doctor blade holder, can turn to and can bear a heavy burden and be fixed on the scraping blade 23 in the blade holder 22.In order to hold flusher, supporting plate 31 is fixed on second longitudinal edge 9 of scraper groove 10, and jet pipe 30 is fixed on this supporting plate.Jet pipe 30 has nozzle 32, and it can need the position of sprinkling through the rotable nozzle aligning.Surface that the aligning of fixing 20 doctor blade holder 21 constitutes and the supporting plate of jet pipe 30 31 constitute the part of the inner surface of scraper groove 10.Fixing 20 can be fixed on the base components 1 of the scraper groove of being made up of fibrous composite 10 through inserts with jet pipe 30.
In the middle of the production of fibrous composite scraper groove 10, adopt the material structure of strengthening, the preferred fibrous composite (English: the passage composite) that adopts with cavity.At this fibrous composite or composite are interpreted as fiber strengthened polymeric material.This polymeric material can be formed by polyester, epoxy resin or other polymeric binder that combines (chemical combination) with reinforcing fiber.A kind of reinforcing fiber structure that has cavity and set up through foliation (Laminieren laminates) and a kind of manufacturing approach of this structure have been described in patent documentation FI89471C.This reinforcing fiber structure comprises the fibrage of being processed by warp thread bundle that forms through interlacing or weft yarn bundle, and these fibrages are connected to each other together through connecting (Bindungen, braiding).In the layer through mutual superposition and the passage that connects and composes, the not filler of absorbent binder agent is set.The fibrage of two mutual superposition is interlaced with one another together in known manner, and warp thread or weft yarn bundle are alternately moved in up-down structure, and constitutes the big passage of comparing with fabric size thus.
In the reinforcing fiber structure, can use glass fibre, but also can use nylon fiber, carbon fiber, pottery fiber or other reinforcing fiber, but this can bring problem.In this structure, the fibrage that overlapping up and down braiding forms (can have a plurality of fibrages) changes face like this, and its warp thread (fibre bundle) is alternately extended in the upper and lower.Fibrolaminar change location forms and connects, and between these connect, keeps a plurality of weft yarns (fibre bundle), at this, between layer and layer, realizes extremely firm connection.Filler allows to form the three-dimensional reinforcing fiber structure with any style profile.In order to improve surface strength, on the outer surface 3 of base components 1 and inner surface 4, on the reinforcing fiber structure, adopt crooked strengthening layer, and end face 6 and 7 and the edge 8 and 9 of flow receiving port 2 on the strengthening layer of application level.The superficial layer of level can be fastened on the inner reinforcing fiber layer through loose fibres.This inside and the surface strengthen layer of being processed by fibrous material can be accepted load.Can use for example compressible filler as filler.For example, through using foamed material or hollow filler in the passage between fibrage, can realize slight compressible structure.For example, can be with flexible hose or flexible duct, foaming body or closed-cell foam material as hollow filler, wherein, foaming body or closed-cell foam material can be made up of polyethylene, and polyethylene does not absorb the resin that preferably uses as binding agent.
The fibre structure that filler is housed of the base components 1 of scraper groove utilizes resin to handle and form certain moulding, and at this, flexible filler sink, and can make the shape of reinforcing fiber structure and shape-consistent with respect to open groove shape base components 1.
In this moulding, can inserts be installed on the needed position.Preferably utilize coating agent that this moulding is handled in advance, coating agent can make type spare (Formling) have final surface, perhaps before surface treatment, at least one smooth surface is provided, but for example the so-called gel coating resin of adequate colouration is surperficial.This coating has favourable characteristic, and it can make the scraper groove keep clean and carry current.Thisly will be fixed on the structural coating of reinforcing fiber relatively with shape, separating medium or external coating surface conditioning agent (for example so-called finishing varnish coating (TopCoat-Beschichtung)) can make last surface have for example antistatic or the repellent characteristic.This coating or surface conditioning agent can comprise teflon.
This moulding preferably has inside profiled member open on opposite directions, utilizes this profiled member can make the inner surface 4 direction inclinations towards the base components end face from 5 edges, middle zone for flowing liquid of scraper groove 10.This inclination conforms to the inclined-plane of profiled member.Utilize same moulding can produce the scraper groove basic element of character of different length, and this standard module can use in the machine of different in width.When changing scraper length, the diameter of groove and the phase mutual edge distance between the parts preferably remain unchanged.
Fig. 3-5 shows the scraper groove that is in diverse location and running status.The roller that is described as the fiber web treatment element is labeled as 50; Its rotation direction illustrates with arrow.Utilize scraper 20 to get at least one flow openings 14,15 that is positioned at the below or 16 flow process is illustrated by dotted arrow from the flow of the surface removal of roller 50.
As shown in Figure 3, the open area of scraper groove 10 is tilted to about miter angle with respect to horizontal line, and wherein, the scraping blade 23 of points upwards is wiped the lip-deep liquid of roller on the surface of roller 50.Utilize scraper 20 that collected liquid is delivered on the inner surface 4 of scraper groove downwards, and arrive beyond the scraper groove 10 through the 3rd flow openings 16 therefrom.As required, second flow openings 15 that is used to discharge flow be can also use, but first flow openings 14 and second flow openings 15 preferably closed.
As shown in Figure 4, the open area horizontal aligument roller 50 of scraper groove 10.The scraping blade of directed downwards is collected liquid from the roller surface on the surface of roller 50.Utilize scraper 20 that collected liquid is upwards delivered on the inner surface 4 of scraper groove, and flow is passed through beyond first flow openings, the 14 arrival scraper grooves 10.Preferably close second flow openings 15 and the 3rd flow openings 16.
As shown in Figure 5, the open area of scraper groove 10 alignment roller 50 that makes progress.The scraping blade of on the surface of roller 50, aiming at the side is collected liquid from the surface of roller 50.Utilize scraper 20 that collected liquid is also arrived on the inner surface 4 of scraper groove to side guiding downwards, and flow is passed through beyond second flow openings, the 15 arrival scraper grooves 10.Preferably close first flow openings 14 and the 3rd flow openings 16.
In a kind of design example through calculating: a kind of scraper groove of processing by fibrous composite 10 with cavity; The length of its base components 1 is 8m; The diameter that on its outer surface 3, records is 700mm, and its weight is well below the groove structure with corresponding size according to the routine techniques manufacturing.The conventional blade construction of being processed by steel plate weighs 1040kg, and the blade construction of being processed by stainless sheet metal weighs 450kg, and according to one embodiment of the present invention, the scraper groove structure of being processed by the fibrous composite with cavity only weighs 170kg.Through calculating, the bending that is subject to the own wt of base components 1 is issued to 0.2mm at unloaded state, is issued to 0.7mm at the live load state.The natural frequency of vibration of scraper groove 10 is 22Hz.
The above comprises the unrestricted embodiment of embodiments more of the present invention.Should be appreciated that for the professional the present invention does not receive the restriction of said details, but also can realize through other equal modes.Some characteristic of said embodiment can not have the use of being able under the situation of other characteristics yet.
The above is only as to the explanation of principle of the present invention, and should not be understood that limitation of the present invention.In protection scope of the present invention, can make various modification to the present invention.
Claims (13)
1. a scraper groove (10); Its base components by long groove shape (1) constitutes; This base components has first end face (6), second end face (7) and the flow receiving port (2) between said first and second end faces, and said flow receiving port can aligned fibers width of cloth material treatment element (50), receiving in the said base components (1) from the flow that said fiber web treatment element is discharged; It is characterized in that; Said base components (1) is processed by the fibrous composite with cavity, and constitutes integrated supporting and groove structure, is used for flow tapping equipment (20).
2. scraper groove as claimed in claim 1 is characterized in that, said flow tapping equipment (20) is made up of doctor blade device, and this doctor blade device comprises the scraping blade that bear a heavy burden (23) relative with said fiber web treatment element (50).
3. according to claim 1 or claim 2 scraper groove is characterized in that said base components (1) has the inner surface (4) of groove shape, this inner surface is configured to, along vertical guiding flow of said scraper groove (10).
4. scraper groove as claimed in claim 3 is characterized in that, said inner surface (4) is processed or be provided with nonpolluting coating by anti-fouling material.
5. according to any one of claims 1 to 4 scraper groove; It is characterized in that; Said base components (1) comprises curved exterior surface (3) and curved inner surface (4); This inner surface and outer surface are provided with the distance (H-h) against each other that reduces gradually on the direction of at least one end face (6,7) of said base components (1).
6. like each described scraper groove in the claim 1 to 5, it is characterized in that said base components (1) has inner surface (4), this inner surface is shaped to, and flow is carried to said end face (6,7) from the zone line (5) of said base components (1).
7. like each described scraper groove in the claim 1 to 6; It is characterized in that; Said base components (1) can bearing load, and this load is gone up, is used for the quality of the device (20,30) of fiber web production process and produce with running by being fixed on said scraper groove (10).
8. like each described scraper groove in the claim 1 to 7, it is characterized in that said flow receiving port (2) comprises the first long edge (8), scraper (20) is arranged on this edge.
9. like each described scraper groove in the claim 1 to 8, it is characterized in that said flow receiving port (2) comprises the second long edge (9), and flusher (30) is set on this edge.
10. like each described scraper groove in the claim 1 to 9, it is characterized in that, at the end face (6 of said base components (1); 7) be provided with antetheca (11), this antetheca has at least one flow openings (14,15; 16), be used for guided liquid-flow and in said scraper groove (10), outwards pass this antetheca.
11. scraper groove as claimed in claim 10; It is characterized in that this scraper groove is set to, the flow openings (14 that makes flow can both freely pass at least one said antetheca (11) under with respect to any running status of its swinging axle (13) at this scraper groove (10); 15,16) flow.
12., it is characterized in that like each described scraper groove in the claim 1 to 11, on the end face (6,7) of said base components (1), antetheca (11) is set, be used for said scraper groove is fixed on external structure with can adjusting attitude.
13., it is characterized in that said scraper groove (10) comprises the spray plate (40) that is arranged on the said antetheca (11) like each described scraper groove in the claim 9 to 12, be used for flow is directed in the said scraper groove.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20105921A FI20105921A (en) | 2010-09-02 | 2010-09-02 | SCHABERTRÅG |
FI20105921 | 2010-09-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102383331A true CN102383331A (en) | 2012-03-21 |
CN102383331B CN102383331B (en) | 2014-11-12 |
Family
ID=42829658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110263229.0A Expired - Fee Related CN102383331B (en) | 2010-09-02 | 2011-09-02 | Scraper trench |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN102383331B (en) |
DE (1) | DE102011081134A1 (en) |
FI (1) | FI20105921A (en) |
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CN1955374A (en) * | 2005-10-24 | 2007-05-02 | 美卓造纸机械公司 | Dewatering arrangement on the press section of a web-forming machine |
CN101133207A (en) * | 2005-02-24 | 2008-02-27 | 埃弗科姆公司 | A device for removing liquid from a moving fabric or web |
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2010
- 2010-09-02 FI FI20105921A patent/FI20105921A/en not_active Application Discontinuation
-
2011
- 2011-08-17 DE DE102011081134A patent/DE102011081134A1/en not_active Withdrawn
- 2011-09-02 CN CN201110263229.0A patent/CN102383331B/en not_active Expired - Fee Related
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EP0117670A2 (en) * | 1983-02-24 | 1984-09-05 | Beloit Walmsley Limited | Improvements in or relating to doctoring mechanisms |
CN1045141A (en) * | 1989-02-15 | 1990-09-05 | 维美德造纸机械有限公司 | Paper machine two scraper mechanism and control method thereof |
WO1993005219A1 (en) * | 1991-09-12 | 1993-03-18 | Finnclever Oy | A method for manufacturing a laminating reinforced fibre structure and a corresponding reinforced fibre structure |
US5851358A (en) * | 1997-04-08 | 1998-12-22 | Voith Sulzer Paper Technology North America, Inc. | Paper making machine with an integral suction chamber and air/water separator for a doctor element |
WO2000029669A1 (en) * | 1998-11-16 | 2000-05-25 | Metso Paper, Inc. | Doctor for a suction roll particularly in paper machines |
WO2000061264A1 (en) * | 1999-04-09 | 2000-10-19 | Valmet, Inc. | Improved method and system for collecting and handling dust in a papermachine environment |
DE19940980A1 (en) * | 1999-08-28 | 2001-03-01 | Voith Paper Patent Gmbh | Assembly to clean a roller surface at the gap between the roller and the departing fourdrinier/blanket has a structured suction channel and cleaning spray tube with a suction box and deflector bars |
US20020102372A1 (en) * | 2000-11-29 | 2002-08-01 | Christioph Henninger | Support beam |
CN101133207A (en) * | 2005-02-24 | 2008-02-27 | 埃弗科姆公司 | A device for removing liquid from a moving fabric or web |
CN1955374A (en) * | 2005-10-24 | 2007-05-02 | 美卓造纸机械公司 | Dewatering arrangement on the press section of a web-forming machine |
Also Published As
Publication number | Publication date |
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FI20105921A (en) | 2012-03-03 |
DE102011081134A1 (en) | 2012-03-08 |
FI20105921A0 (en) | 2010-09-02 |
CN102383331B (en) | 2014-11-12 |
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