CN102383331B - Scraper trench - Google Patents
Scraper trench Download PDFInfo
- Publication number
- CN102383331B CN102383331B CN201110263229.0A CN201110263229A CN102383331B CN 102383331 B CN102383331 B CN 102383331B CN 201110263229 A CN201110263229 A CN 201110263229A CN 102383331 B CN102383331 B CN 102383331B
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- China
- Prior art keywords
- scraper
- trench
- base components
- liquid stream
- face
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- 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
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 trench.The present invention is special but be not limited to relate to a kind of for collecting the scraper trench of the liquid stream being scraped by the treatment element of fiber web machine.
Background technology
In paper machine and board machine, be provided with relatively groove with the scraper of roller.Roller surface is by scraping blade by scraping, and scraping blade is fixed on the doctor blade holder extending with respect to transverse machine.Liquid and the impurity together with this liquid to groove, if these impurity continue to move on roller surface, will produce injurious effects from roller surface discharge.The liquid stream flowing out is discharged into machine side surface by scraping blade and by means of groove, makes thus liquid stream no longer be arranged on pending fiber web and surrounding environment.
As time goes on, develop and realized the multiple different scraping blade that utilizes for paper machine and board machine and collected the solution of liquid.For the different sizes relevant from space requirement and the bleeding point of width, need to tailor groove.Conventionally groove is fixed on supporting the setting a roof beam in place of scraping blade.Thus, if backbar does not possess the rigidity corresponding to scraper trench, and its structure is while having larger weight, likely makes the performance of scraping blade go wrong, and occurs the problem that other cause due to vibration and the bending of setting a roof beam in place.Due to the change of backbar position, the performance of groove will worsen, or in order to ensure the function of groove, just must adjust the attitude of groove separately.In particular for wider target well-designed independent groove, there is enough rigidity in order to ensure groove, just must strengthen the external dimensions of groove.The doctor blade holder of supporting groove also must expand, in order to avoid the performance of groove infringement scraping blade.Due to the increase of external dimensions and installation weight, be difficult to groove to be arranged on narrow and small position, be also like this under special circumstances.Design and manufacture is higher for the required cost of groove of narrow and small position, and time-consuming.In addition, cleaning of known groove is also proved to suitable trouble.Under normal circumstances, groove is configured to comprise to the metal plate structure of seam and ribbed stiffener, and in seam and ribbed stiffener, contains impurity, the labour intensity of removing these impurity at machine intimate is higher and more difficult.
A kind of backbar 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 being made up of fibrous material is made by winding.
Summary of the invention
The object of the invention is to reduce the deficiencies in the prior art, and propose a kind of blanket structure flowing for gathering the liquid of fiber web treatment element.
A kind of scraper trench being made up of the base components of long groove shape is proposed according to a first aspect of the invention, the liquid stream receiving port that this base components has the first end face, the second end face and extends between the first and second end faces, this receiving port is set to for this reason, make its aligned fibers web treatment element, and the liquid stream of discharging from fiber web treatment element is received in this base components.Base components is made up of the fibrous composite (hollow composite material (Hohlkomposit), English is passage composite (channel composite)) with cavity, and forms integrated supporting and groove structure, for liquid stream tapping equipment.
A kind of method for the manufacture of scraper trench is proposed according to a second aspect of the invention, this scraper trench is made up of the base components of long groove shape, the liquid stream receiving port that this base components has the first end face and the second end face and extends between the first and second end faces, this receiving port is set to for this reason, make its aligned fibers web treatment element, and the liquid stream of discharging from fiber web treatment element is received base components, wherein, base components is in the method made up of the fibrous composite with cavity, and be formed for integrated supporting and the groove structure of liquid stream tapping equipment.
Liquid stream tapping equipment is preferably made up of doctor blade device, and this doctor blade device comprises bear a heavy burden relative with fiber web treatment element/squeezable scraping blade.
Base components preferably has the inner surface of groove shape, this inner surface is shaped to, along longitudinal guiding liquid stream of scraper trench.This inner surface can be made up of anti-fouling material.This inner surface can have nonpolluting coating.
Base components preferably includes bending outer surface and bending inner surface, and this inner surface and outer surface arrange with the distance toward each other reducing gradually in the direction of at least one end face of base components.
Preferably the inner surface of base components is modelled as, it is carried from the zone line of base components liquid stream to end face.
Base components preferably can bearing load, these loads by being fixed on scraper trench, for the device of fiber web production process and quality and running produce.
Liquid stream receiving port preferably includes the first long edge, and doctor blade device is set thereon.
Liquid stream receiving port preferably includes the second long edge, and flusher is set thereon.
Preferably on the end face of base components, be fixed with antetheca, this antetheca has at least one flow openings, passes outwards through antetheca for guided liquid-flow from scraper trench inside.
Preferably scraper trench is set to, and liquid stream can freely be flowed through the flow openings of at least one antetheca under with respect to any running status of scraper trench swinging axle at scraper trench.
Preferably on the end face of base components, antetheca is set, for scraper trench is fixed on to external structure adjustably.
Scraper trench preferably includes the spray plate in order to the inside guided liquid-flow at scraper trench, and this spray plate and antetheca arrange explicitly.
Scraper trench can be fabricated to normal structure, and wherein, for traditional different solution each other designed and that realize, scraper trench can use in paper machine and board machine on different positions.In scraper trench, can the function of the doctor blade holder of supporting scraper and independent groove be united by compact mode.
Product scope clearly can be obtained by standard module, advantage strengthening more compared with in the past of batch production can also be made simultaneously.The Design and manufacture cost of each assembly reduces along with the increase of quantity.Can produce the uniform resulting structure of quality by single shape.Standard module for example can be about scraping blade, jet pipe and groove being fixed on to the installation in external structure and adjusting.The scraper trench normal structure that therefore, can for example only utilize three external diameters to vary in size just can cover the pith of scraper trench installation site.In the same production line being formed by workpiece (St ü cken), can be in the maximum length of being determined by shape with lower worker part.At present, production line can for example preferably include and exceed 5 onesize scraper trenchs, with for example two the onesize grooves before substituting.In addition,, due to the already present tool of production of industry, can make the supplementary production of onesize scraper trench save time.Now, can order manufacture groove blank in the mode of batch production, wherein only a part for existing object finally be processed.Remaining blank can store, and finally processes for new object afterwards.
The supporting structure that hollow composite material comprises cavity-like, and the gross weight of product is starkly lower than the product of being made up of metal sheet.This hollow composite material structure is safe and reliable, because it has also kept rigidity in the situation that of part or surface damage, and its reparation is simple, without special tool(s).This structure can stand can not burn compared with high temperature.Utilize this material can manufacture scraper trench very light, hard and that vibration characteristics is good.
Under concrete condition, preferably can utilize inserts (insert), for scraper trench, fixing point is set on desired point, for device to be supported, support scraper trench and meet the needs of liquid stream floss hole.Therefore the groove shape structure for the base components that forms scraper trench being made up of fibrous composite can change like this: make its according to application as supporting member, 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 manufacturing when scraper trench and shape embeds relatively, or be embedded into afterwards.The device using can be integrated in this structure, is placed on these devices thereby can not make to flow by the liquid spraying the material of carrying secretly.
Characteristic that can application of polymeric materials in the structure of fibrous composite, first these solutions make it possible to advantageously with regard to mobility and keep the clean of machine to realize.The scraper trench of realizing as fiber composite structure can have continuous surface, at this lip-deep foreign matter still less.This even, smooth surface is also easy to clean.Utilizing suitable coating can avoid dirt to be bonded at liquid stream collects on surface.This anti-(dirt) coating can for example be coated on the inner surface of groove in the time manufacturing groove.
Utilize the design principle of fibrous composite scraper trench will make product scope be simplified.The use of this standard solution provides better entirety to control, the better production efficiency of design and organization of production and raising.
The functional characteristic that relates to the collection of liquid stream and the multipurpose scraper groove of guiding does not rely on the attitude of scraper and obtains good maintenance.Therefore, the compact scraper trench of supporting scraper equipment can be arranged on different positions in fiber web machine.Groove shape scraper supporting device open in its cross-sectional profiles can use on different positions.Consider fiber web manufacture process, can be by the position of scraping blade and suitably combination of attitude, and do not need to yield to the restriction of suffered groove.For scraper trench, can also be in the machine of running, on point of application, for scraper trench is pursued best attitude, and the guiding that can therefore not make liquid flow in groove is interfered.
Various embodiment of the present invention will or have been described with one or more viewpoints of the present invention explicitly.It should be noted that for professional, any embodiment of viewpoint of the present invention can use separately under same insight of the present invention or different viewpoints, or is combined with other viewpoint.
Brief description of the drawings
With reference to the accompanying drawings the present invention is done to exemplary illustration.
Fig. 1 shows the scraper trench that a preferred embodiment of the invention is observed from the side;
Fig. 2 shows the scraper trench in Fig. 1 with perspective view;
Fig. 3-5 show the scraper trench in diverse location and running status.
Detailed description of the invention
In the following description, identical part is used to identical Reference numeral.Accompanying drawing shown in it should be noted that not is that chi entirety is drawn in proportion, and is mainly used for explaining embodiments of the present invention.
As Fig. 1 comprises the base components 1 of the elongation of being made up of fibrous composite to the scraper trench 10 as shown in Fig. 5, the structure that this base components is groove shape by cross section forms.This groove shape structure extends past the whole length of base components 1, its open area is configured for the receiving port 2 of liquid stream, and this opening 2 is at scraper duration of work aligned fibers web treatment element, to flow from fiber web treatment element receiving liquid, for example roller 50 or band, the screen cloth of paper machine or felt.Base components 1 has bending outer surface 3 and bending inner surface 4, in order to make liquid flow down, makes the relative distance setting of surface 3 and 4 to change.Preferably make the relative distance of inner surface and outer surface reduce gradually towards the end face of base components.Relative distance between outer surface and inner surface has determined the thickness of the arbitrarily cross section profile longitudinal along base components.The profile of outer surface 3 is preferably of similar shape on all cross sections of base components.The shape of the cross-sectional profiles of inner surface 4 preferably conforms to the shape of outer surface profile, and its difference is, the cross-sectional profiles of inner surface 4 is less, and diminishes gradually to zone line from two ends of base components.Inner surface 4 is preferably made up of two bending regions, and these two regional guidances mobile liquid stream in groove flows to the end face of base components from zone line 5.
In other some embodiments, the shape profile same and outer surface of the lateral contour of inner surface 4 is different, the lateral contour of inner surface 4 is less than the lateral contour of outer surface 3, and diminishes towards the second end of base components from the first end of base components.Then, inner surface 4 is made up of bending region, and this regional guidance mobile liquid stream in groove flows along the direction of the second end towards base components from the first end of base components.
Base components 1 has the first end face 6 and the second end face 7, and these two end faces are preferably made up of the 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 is preferably from centre to end face attenuation gradually.On end face 6 and 7, profile thickness represents with letter " h ", and in the zone line of inner surface, profile thickness represents with letter " H ".In the groove shape structure of base components, the longitudinal edge 8,9 of liquid stream receiving port 2 is made up of longitudinal surface, and this longitudinally connects outer surface 3 and inner surface 4 in surface.From the first end of base components to the second end, the outer rim on these two longitudinal surfaces is straight, and the inner edges on these two longitudinal surfaces have the shape conforming to the inclination of inner surface 4.Preferably during fabrication inserts is fixed on longitudinal surface, can be for example screwed on it according to the corresponding use location of device/apparatus and running status.
Scraper trench 10 comprises the antetheca 11 on two end faces that are arranged on base components 1.Antetheca 11 on end face 6,7 along scraper trench 10 longitudinally, along the border of the groove shape body of the horizontal basis of formation element 1 of machine.Scraper trench 10 can for example utilize frame to fix or the securing member that vibrates is fixed in external structure by antetheca 11.Antetheca 11 is preferably made up of metallic plate, for example, be made up of stainless steel or aluminium.Antetheca 11 has outer rim, and it can produce the cross-sectional profiles of outer surface 3 on end face 6,7.Antetheca 11 has leading edge 12, and it is connected in the outer rim of antetheca.According to the embodiment shown in figure, leading edge 12 connects the edge 8,9 of base components 1 on end face.The shape of leading edge 12 allows scraper trench 10 to be arranged on the narrow and small position of machine, thereby scraper trench is not contacted with the roller of corresponding machine.Preferably during fabrication inserts is fixed on the end face 6,7 of base components, the antetheca 11 adapting with front surface can for example be screwed on inserts.The swinging axle of scraper trench 10 is represented by dotted line 13.Be bearing in the supporting arrangement in external structure, for example swinging axle or swinging mounting, can be fixed on antetheca 11, and this supporting arrangement allows to adjust around swinging axle 13 attitude of scraper trench 10.Then, scraper trench for example swings around scraping blade with the suitable angle with respect to roller, and by scraping blade 23, liquid stream is collected in scraper trench 1.
The liquid stream that will for example, be scraped off by fiber web treatment element (roller) concentrates on inner surface 4, and carries along the direction towards base components 1, is to carry along the direction towards end face in some embodiments.
Antetheca 11 preferably has the first flow openings 14, the second flow openings 15 and the 3rd flow openings 16, and the liquid stream accumulating on inner surface 4 in order to guiding out passes antetheca 11 from scraper trench.Certainly, the quantity of flow openings may be different.Under every kind of running status of scraper trench 10, directed liquid stream flows through at least one flow openings.For the size of flow openings, need the common position of flow openings with respect to the cross section of inner surface 4 that determine, the size of flow openings, the cross-sectional profiles of inner surface 4, inner surface 4, along near the large and form of inner surface 4 flow openings of scraper trench fore-and-aft tilt, makes liquid stream arrive outside antetheca 11 through at least one flow openings 14,15,16 thus.The appropriate area of inner surface 4 can compare be close to inner surface 4.1 by mode as shown in Figure 1 in each flow openings, and more lowland is molded and shaped, even if can make thus very little fluid flow also can flow well, and therefore also may discharge better solid impurity.In flow openings 14,15,16, can be provided for joint (the Muffe)/socket of relief liquor stream, on it, can connect drainpipe.
In order to discharge the liquid stream leaving from fiber web treatment element, on the first longitudinal edge 8 of the liquid stream receiving port 2 of scraper trench 10, scraper 20 is set.The blade holder 22 that scraper 20 comprises doctor blade holder 21 on the first edge 8 that abuts in receiving port 2, can turn on doctor blade holder and can bear a heavy burden and be fixed on the scraping blade 23 in blade holder 22.In order to hold flusher, supporting plate 31 is fixed on the second longitudinal edge 9 of scraper trench 10, and jet pipe 30 is fixed on this supporting plate.Jet pipe 30 has nozzle 32, and it can aim at the position that needs sprinkling by rotable nozzle.The surface that the aligning of the doctor blade holder 21 of scraper 20 forms and the supporting plate 31 of jet pipe 30 form a part for the inner surface of scraper trench 10.Scraper 20 and jet pipe 30 can be fixed in the base components 1 of the scraper trench 10 being made up of fibrous composite by inserts.
Scraper trench 10 has the spray plate (Spritzblech) 40 being associated with antetheca 11, and it is on the antetheca of base components, liquid stream to be collected being sent into scraper trench, and in collection process, prevents through the outside spraying liquid of end face.Preferably removably fixing spray plate 40, can also make the installation of groove in machine and clean and maintenance become easy thus.Preferably spray plate 40 has the inner edge 41 in the leading edge 12 that extends to antetheca 11.Preferably spray plate 40 has for jet pipe 30 or for the insulating sleeve of other corresponding operating means.This insulating sleeve is preferably arranged on the leading edge 12 of antetheca 11 and the inner edge 41 of spray plate in the mode of splashproof (spritzwasserdichte).
In the middle of the production of fibrous composite scraper trench 10, adopt the material structure of strengthening, preferably adopt the fibrous composite (English: passage composite) with cavity.At this, fibrous composite or composite are interpreted as to 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.In patent documentation FI89471C, having described one has cavity and passes through the reinforcing fiber structure of foliation (Laminieren laminates) foundation and a kind of manufacture method of this structure.This reinforcing fiber structure comprises the fibrage of being made up of the warp thread bundle that forming by interlacing or weft yarn bundle, and these fibrages are connected to each other by connecting (Bindungen, braiding).In by the layer of mutual stack and the passage that connects and composes, the not filler of absorbent binder agent is set.Two fibrages that mutually superpose are interlaced with one another together in known manner, and warp thread or weft yarn bundle are alternately moved in up-down structure, and form the large passage of comparing with fabric size thus.
In 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 (can have multiple fibrages) that upper and lower overlapping braiding forms changes face like this, and its warp thread (fibre bundle) is alternately extended in the upper and lower.The change location of fibrolaminar forms and connects, and between these connect, retains multiple weft yarns (fibre bundle), at this, between layer and layer, realizes extremely firmly and connecting.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 and inner surface 4 of base components 1, in reinforcing fiber structure, adopt bending strengthening layer, and end face 6 and 7 and the edge 8 and 9 of liquid stream receiving port 2 on the strengthening layer of application level.The superficial layer of level can be fastened on inner reinforcing fiber layer by loose fiber.This inside of being made up of fibrous material and surface strengthen layer can be accepted load.For example can use compressible filler as filler.For example, by using foamed material or hollow filling thing in the passage between fibrage, can realize slight compressible structure.For example, can be using flexible hose or flexible duct, foaming body or closed-cell foam material as hollow filling thing, wherein, foaming body or closed-cell foam material can be made up of polyethylene, and polyethylene does not absorb the resin preferably using as binding agent.
The fibre structure that filler is housed of the base components 1 of scraper trench utilizes resin to be processed and form certain moulding, and at this, flexible filler sink, and can make the shape of reinforcing fiber structure conform to the shape of the groove shape base components 1 with respect to open.
In this moulding, inserts can be arranged on needed position.Preferably utilize in advance coating agent to process this moulding, coating agent can make type part (Formling) have final surface, or at least one smooth surface was provided before surface treatment, so-called gel coating resin surface that for example can adequate colouration.This coating has favourable characteristic, and it can make scraper trench keep cleaning and carrying current.Thisly will be fixed on relatively the structural coating of reinforcing fiber 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 repellent characteristic.This coating or surface conditioning agent can comprise teflon.
This moulding preferably has inside profiled member open in opposite directions, utilizes this profiled member can make the inner surface 4 of scraper trench 10 tilt along the direction towards base components end face from zone line 5 for flowing liquid.This inclination conforms to the inclined-plane of profiled member.Utilize same moulding can produce the scraper trench basic element of character of different length, and this standard module can use in the machine of different in width.In the time changing scraper length, the phase mutual edge distance between diameter and the parts of groove preferably remains unchanged.
Fig. 3-5 show the scraper trench in diverse location and running status.The roller that is described as fiber web treatment element is labeled as to 50; Its rotation direction illustrates with arrow.Utilizing scraper 20 to flow to from the liquid of the surface removal of roller 50 flow process that is positioned at the flow openings 14,15 or 16 of below at least one is illustrated by dotted arrow.
Liquid stream receiving port 2 alignment rollers 50 of scraper trench 10, to receive the liquid stream on roller 50 surfaces.The scraping blade 23 of scraper 20 is arranged on the side of liquid stream receiving port 2, and oppresses the surface of roller 50.In the outside of end face, spray plate 40 is arranged on tabular antetheca 11, thereby the liquid that guiding is sprayed on end face flows the inside that enters scraper trench from spray plate 40.In order to improve the effect of scraper, can utilize jet pipe 30 that for example water or cleaning solution are sprayed on roller surface.
As shown in Figure 3, the open area of scraper trench 10 is tilted to about miter angle with respect to horizontal line, and wherein, on the surface of roller 50, the scraping blade 23 of points upwards is wiped the lip-deep liquid of roller.Utilize scraper 20 that collected liquid is delivered on the inner surface 4 of scraper trench downwards, and arrive beyond scraper trench 10 through the 3rd flow openings 16 therefrom.As required, the second flow openings 15 for relief liquor stream be can also use, but the first flow openings 14 and the second flow openings 15 preferably closed.
As shown in Figure 4, the open area horizontal aligument roller 50 of scraper trench 10.Scraping blade below pointing on the surface of roller 50 is collected liquid from roller surface.Utilize scraper 20 that collected liquid is upwards delivered on the inner surface 4 of scraper trench, and make therefrom liquid stream arrive beyond scraper trench 10 by the first flow openings 14.Preferably close the second flow openings 15 and the 3rd flow openings 16.
As shown in Figure 5, upwards alignment roller 50 of the open area of scraper trench 10.On the surface of roller 50, aim at the scraping blade of side and collect liquid from the surface of roller 50.Utilize scraper 20 that collected liquid is also arrived on the inner surface 4 of scraper trench to side guiding downwards, and make therefrom liquid stream arrive beyond scraper trench 10 by the second flow openings 15.Preferably close the first flow openings 14 and the 3rd flow openings 16.
In a kind of design example by calculating: a kind of scraper trench of being made by the fibrous composite with cavity 10, the length of its base components 1 is 8m, the diameter recording on its outer surface 3 is 700mm, and its weight is well below according to the groove structure with corresponding size of routine techniques manufacture.The heavy 1040kg of the conventional blade construction of being made by steel plate, the heavy 450kg of the blade construction of being made by stainless sheet metal, and according to one embodiment of the present invention, the scraper trench structure of being made up of the fibrous composite with cavity is heavy 170kg only.As calculated, the bending that is limited to the own wt of base components 1 is issued to 0.2mm at unloaded state, is issued to 0.7mm at live load state.The natural frequency of vibration of scraper trench 10 is 22Hz.
The unrestricted embodiment that the above comprises some embodiments of the present invention.It should be understood that for professional, the present invention is not subject to the restriction of described details, but can realize by other equal modes yet.Some feature of described embodiment also can be used in the situation that there is no other features.
The above only conduct explanation to principle of the present invention, and should not be understood to limitation of the present invention.In protection scope of the present invention, can make various amendment to the present invention.
Claims (12)
1. a scraper trench (10), its base components by long groove shape (1) forms, this base components has the first end face (6), the second end face (7) and the stream receiving port of the liquid between described the first and second end faces (2), described liquid stream receiving port aligned fibers web treatment element (50), so that the liquid stream of discharging from described fiber web treatment element is received in described base components (1), it is characterized in that, described base components (1) is made up of the fibrous composite with cavity, and be configured to integrated supporting and groove structure, for liquid stream tapping equipment, on first end face (6) of described base components (1) and the second end face (7), be provided with antetheca (11), this antetheca has at least one flow openings (14, 15, 16), in described scraper trench (10), pass outwards through this antetheca for guided liquid-flow.
2. scraper trench as claimed in claim 1, is characterized in that, described liquid stream tapping equipment is made up of doctor blade device, and this doctor blade device comprises the scraping blade that bear a heavy burden (23) relative with described fiber web treatment element (50).
3. scraper trench as claimed in claim 1, it is characterized in that, described base components (1) has inner surface (4), and this inner surface (4) is groove shape, this inner surface is configured to, along longitudinal guiding liquid stream of described scraper trench (10).
4. scraper trench as claimed in claim 3, is characterized in that, described inner surface (4) is made or be provided with nonpolluting coating by anti-fouling material.
5. scraper trench as claimed in claim 1, it is characterized in that, described base components (1) comprises outer surface (3) and inner surface (4), this outer surface (3) and inner surface (4) are bending, in the direction of this inner surface and outer surface at least one end face in the first end face (6) and second end face (7) of described base components (1), arrange with the distance toward each other reducing gradually.
6. scraper trench as claimed in claim 1, it is characterized in that, described base components (1) has inner surface (4), this inner surface is shaped to, and liquid stream is carried to described the first end face (6) and described the second end face (7) from the zone line (5) of described base components (1).
7. scraper trench as claimed in claim 1, it is characterized in that, described base components (1) can bearing load, this load by be fixed on described scraper trench (10) upper, produce for quality and the running of the device of fiber web production process.
8. scraper trench as claimed in claim 1, is characterized in that, described liquid stream receiving port (2) comprises the first long edge (8), and scraper (20) is arranged on this edge.
9. scraper trench as claimed in claim 8, is characterized in that, described liquid stream receiving port (2) comprises the second long edge (9), and flusher (30) is set on this edge.
10. scraper trench as claimed in claim 1, it is characterized in that, this scraper trench is set to, make liquid stream this scraper trench (10) can be freely under with respect to any running status of its swinging axle (13) through the flow openings (14 of antetheca (11) described at least one, 15,16) flow.
11. scraper trenchs as claimed in claim 1, is characterized in that, described antetheca (11) also for by described scraper trench capable of regulating attitude be fixed on external structure.
12. scraper trenchs as described in any one in claim 1,10,11, it is characterized in that, described scraper trench (10) comprises the spray plate (40) being arranged on described antetheca (11), for liquid stream is directed in described scraper trench.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20105921 | 2010-09-02 | ||
| FI20105921A FI20105921A (en) | 2010-09-02 | 2010-09-02 | SCHABERTRÅG |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102383331A CN102383331A (en) | 2012-03-21 |
| CN102383331B true 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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| 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 |
| 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI89471C (en) * | 1991-09-12 | 1993-10-11 | Finnclever Oy | FOERFARANDE FOER FRAMSTAELLNING AV EN ARMERAD FIBERKONSTRUKTION SOM SKALL LAMINERAS OCH MOTSVARANDE ARMERAD FIBERKONSTRUKTION |
| FI3832U1 (en) * | 1998-11-16 | 1999-03-16 | Valmet Corp | Schaber for side roll, especially for paper machines |
| US6176898B1 (en) * | 1999-04-09 | 2001-01-23 | Valmet, Inc. | Method and system for collecting and handling dust in a papermachine environment |
| DE10059281A1 (en) * | 2000-11-29 | 2002-06-06 | Voith Paper Patent Gmbh | stringers |
-
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
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
|---|---|
| DE102011081134A1 (en) | 2012-03-08 |
| CN102383331A (en) | 2012-03-21 |
| FI20105921A0 (en) | 2010-09-02 |
| FI20105921A (en) | 2012-03-03 |
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| 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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Free format text: CORRECT: APPLICANT; FROM: METSO PAPER INC. TO: VEIMEIDE TECHNOLOGY CO., LTD. |
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Granted publication date: 20141112 Termination date: 20160902 |