CN106978759B - For the scraper ventilation beam and corresponding mounting kit in fiber web machine drying section - Google Patents
For the scraper ventilation beam and corresponding mounting kit in fiber web machine drying section Download PDFInfo
- Publication number
- CN106978759B CN106978759B CN201610883789.9A CN201610883789A CN106978759B CN 106978759 B CN106978759 B CN 106978759B CN 201610883789 A CN201610883789 A CN 201610883789A CN 106978759 B CN106978759 B CN 106978759B
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- Prior art keywords
- ontology
- scraper
- air
- guide portion
- air guide
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
- D21F5/04—Drying on cylinders on two or more drying cylinders
- D21F5/042—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices
- D21F5/046—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices using pocket ventilation systems
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
- D21F5/04—Drying on cylinders on two or more drying cylinders
- D21F5/042—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G3/00—Doctors
- D21G3/04—Doctors for drying cylinders
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- Paper (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to the scraper ventilation beams for the scraper in fiber web machine drying section comprising: hollow body (12)；The ontology is supported to fiber web machine by the end of ontology (12) by support device (16)；Feeder (18) is suitable for connecting with ontology (12) one end (14,15)；Gas operated device (20) fits in ontology (12) inside, substantially homogeneously to guide air in ontology (12) whole length；Balance cylinder (22) keeps air balanced；It is open (24), is formed in the wall (11) of ontology (12), air-flow is sent out into ontology (12).Scraper ventilation beam (10) further include: air guide portion (28), suitable for being fastened at opening (24) on the wall (11) on the outside of ontology (12), balance cylinder (22) are formed in air guide portion (28), air guide portion (28) include the air supply opening (30) for supplying from balance cylinder (22) to fiber web machine drying section (101).Further relate to a kind of corresponding mounting kit.
Description
Technical field
The present invention relates to a kind of scraper ventilation beam (ventilator of the scraper in the drying section for fiber web machine
Beam, ventilator beam), which includes:
Hollow body, including two ends and the wall between these ends；
Support device fits in the end of ontology, ontology is supported to fiber web machine by these ends；
Feeder (air feeding equipment, give gas equipment), suitable for an end with ontology connect with
Air is sent into ontology；
Gas operated device fits in body interior, is filled substantially homogeneously to guide in the whole length of ontology by gas supply
Set the air of supply；
Balance cylinder's (equalizing chamber, compensating chamber) makes the air from gas operated device become balanced；
Multiple openings, are formed in the wall of ontology, air-flow is sent out ontology.
The invention further relates to the installation sets that scraper ventilator is formed for the doctor beam in the drying section by fiber web machine
Part (installation kit, installation equipment).
Background technique
A kind of scheme of prior art is disclosed in disclosure FIU 20050012, according to fig. 1a it is found that the program
Middle scraper ventilator 1 is installed in the drying section 101 of fiber web machine.The purposes of scraper ventilator 1 is by fiber web machine
Drying section 101 in the replacement air (dry replacement air) of drying be supplied to by by the web of fiber of fabric-supported
In the throat 60 that material 50 and drying cylinder 102 are formed.Some air with the movement of the fiber web 50 and drying cylinder 102 surface from
Throat 60 is opened, and moisture evaporates in throat from web, such case is adjusted by replacement air 62.Scraper ventilator 1
Further include scraper 55, scrapes decontamination from the surface of drying cylinder 102.In the scheme according to the publication, scraper ventilator 1 is wrapped
The special scraper ventilation beam with high structure is included, according to fig. 1a, replacement air is fed to from the top of scraper ventilation beam
In throat 60.According to Fig. 1 b, replaces air 62 by feeder 18 and be fed into from the end of ontology 12 (from its underpart)
Air from the feeder is equably divided into the balance being located inside ontology 12 using gas operated device 20 by empty ontology 12
In room 22, and thus locate the drying section that fiber web machine is further reached by the through-hole 24 in ontology 12.
However, a problem of this structure is to be difficult to be suitable for different application (application), and according to the public affairs
The scraper ventilation beam for opening the scraper ventilator of text must be based on the application to redesign.The high structure of ontology limits
These applications, it is necessary to design specific scraper ventilation beam for scraper ventilator.It can for a variety of of direction for the air being supplied to
The change of energy, also requires the inside (structure) of scraper ventilation beam to be variously changed.Scraper ventilator is with drying cylinder and in top
Two slewing rollers of position and lower position are associatedly used, and in this case, which must be always based on specific
Using designing.
Summary of the invention
The purpose of the present invention is realize it is a kind of than the scraper ventilation beam of the prior art have more multiduty scraper ventilation beam,
The scraper ventilation beam can be used in a variety of different applications, and required change is less than the scraper ventilation beam of the prior art.From
The characteristic feature that present invention will become more fully understood in following the description.The purpose of the present invention is realizing a kind of mounting kit,
The mounting kit is used to the scraper ventilation beam of the prior art being converted to scraper ventilation beam according to the present invention, the scraper ventilation beam
It can be used for scraper ventilation.It will become more fully understood the characteristic feature of this invention in from the description below.
This purpose can realize by a kind of scraper ventilation beam of the scraper in drying section for fiber web machine,
The scraper ventilation beam includes: hollow body, including two ends and the wall between these ends；Support device fits in
Ontology is supported to fiber web machine with these ends by (support) by the end of ontology；And feeder, be suitable for
One end of ontology is connected so that air is fed to ontology.In addition, the scraper ventilation beam includes: gas operated device, this is fitted in
Internal portion, substantially homogeneously to guide the air supplied by feeder in the whole length of ontology；Balance cylinder, to make
Air from gas operated device is balanced；Multiple openings, are formed in the wall of ontology, air-flow is sent out ontology；And air guide
Portion, suitable on the wall that these openings are fastened to outer body.Balance cylinder is formed in air guide portion, and air guide portion includes
Air supply opening (feed opening, air inlet) for the drying section supply air from from balance cylinder to fiber web machine.According to this
In the structure of invention, scraper ventilation beam includes positioned at outer body and being equipped with the air guide portion of balance cylinder, and the structure only passes through and changes
The position and/or arrangement that become air guide portion can be realized as the arrangement of scraper ventilator in a variety of different applications.No matter which kind of
Using the internal structure of scraper ventilation beam remains unchanged, and is only changed in this case to air guide portion and its position.This makes
It must be able to use ontology of the doctor beam (it is very common in fiber web machine) of the scraper of no ventilation as scraper ventilation beam,
This situation lower coating blade ventilator does not need the ontology specially designed.In scraper ventilation beam according to the present invention, the equilibrium of air
And guiding occurs in the air guide portion of outer body, the structure in air guide portion and arrangement are gas supply (air in the case
Feeding, air supply) deciding factor.
Advantageously, air guide portion can be detachably fastened to scraper ventilation beam.This makes it possible to based on (different)
Using, by remove air guide portion and and being suitably orientated in different application using identical scraper ventilation beam.
On the other hand, it is able to use different types of air guide portion, in this way to realize different gas supply characteristics.
Advantageously, air supply opening is formed along on a straight line of the longitudinal direction of ontology, they arrive throat in the case
Distance is identical, and when air supply opening is dispersed in a small surface region, the size in air guide portion can be suitably small
It is some.
According to an embodiment, feeder includes: gas supply interconnecting piece and corrugated flexible hose, be formed at ontology end it
Between wall outer surface on, and be associated with an end of ontology, so that air is directed in ontology via gas supply interconnecting piece
Portion.This arrangement and embodiment of feeder enable scraper ventilation beam to be more easily fastened to fibre by two end
Web machine is tieed up, and support device can be more simple.Meanwhile realizing symmetric support of the ontology along its longitudinal direction.
Advantageously, support device is bearing block, these bearing blocks are equipped with for ontology to be mounted on bearing with eccentric manner
On all holes (hole circumference, hole week).Pass through the weight using scraper ventilator, the eccentrically mounted realization of bearing
The scraper blade of scraper ventilator (it uses scraper ventilation beam) presses the gravity of the drying cylinder to be scraped.In addition, pass through by
Ontology is fastened to the different location on all holes, and hole also enables gravitational load to use in different application within these week.Accentric support
Device allows scraper ventilation beam from tens degree of a certain position movement or even a few Baidu to another location, this is much larger than in the prior art
The gravitational load in known several years is mobile.
The air supply opening in air guide portion can be with the superposition of end gap in ontology, so that air-flow is balanced.This overlapping, which prevents, to be supplied to
Air advance directly through balance cylinder and weaken the function of balance cylinder.Now, air has to turn to, in the case,
Air is discharged before air guide portion, and air is balanced in balance cylinder.
The cross section of ontology can be in isosceles triangle substantially." cross section " refers to cutting for the direction of travel along fiber web
Face.Three-legged structure is easily fabricated, is suitable for using in several different applications, and make identical ontology in upper position and
It is able to use in lower position.
According to an embodiment, air guide portion includes adjustable plate, to partly cover the opening in ontology to adjust air-flow.It can
Change direction and the size of air-flow as needed by adjustable plate.
Advantageously, ontology includes belonging to ontology air guide portion to be fastened to positioned at the locking stop section of ontology side
The outer surface of wall.By locking stop section, individual air guide portion can be detachably fastened to belong to the wall of ontology
Side surface.
According to an embodiment, the locking stop section is form-lock (form-locked, form locking).(being based on) shape
The use of the locking device of shape locking is accelerated and facilitates the fastening and disassembly in air guide portion.
According to another embodiment, the locking stop section is elliptical aperture.Elliptical aperture can pass through the fastening in mobile air guide portion
The adjusting in air guide portion is realized in position of the bolt in elliptical aperture.
Air guide portion can be bent as sheet metal made of metal structure, be formed together balance cylinder with the wall of ontology, should
The cross section in air guide portion is substantially triangular in shape.The structure manufacturing cost in the air guide portion made of sheet metal is cheap, and if necessary
It is easy to be changed.Moreover, by changing the adjustable gas supply of curvature.
Air guide portion can be created as the component at about right angle, wherein folding part along the longitudinal direction of ontology air guide portion
Longitudinal direction extend.It in this case, can be substantially along the direction guidance air-flow on the surface of the wall of scraper ventilation beam.
According to an embodiment, the air supply opening in air guide portion is in a groove shape.It, can be by air effectively by the air supply opening of flute profile
It is oriented to.
Scraper device is advantageously associated with use with scraper ventilation beam according to the present invention, and wherein the scraper device includes blade
Retainer and fit in scraper blade in tip holder to scrape the drying cylinder of drying section.In this case, scraper is logical
Wind device and scraper device are formed together scraper ventilator.
The purpose of mounting kit according to the present invention can by it is a kind of in the drying section of fiber web machine by scraping
The mounting kit that knife beam forms scraper ventilator realizes that the mounting kit includes: feeder, suitable for being installed into and ontology
An end be associated with air is sent into ontology；Gas operated device is adapted to mount to the inside of ontology, in the entire length of ontology
The air supplied by feeder is substantially homogeneously guided on degree；And air guide portion, suitable for the opening peace formed in wall
Mounted in the outside of ontology.These openings are intended for air-flow sending out ontology.Balance cylinder is formed in air guide portion so as to carry out self-conductance
The air of device of air is balanced.The air guide portion includes air supply opening, air to be supplied to the drying of fiber web machine from balance cylinder
Portion.Mounting kit according to the present invention is used for doctor beam, which includes: hollow body, including two ends and is located at
Wall between the end；And support device, the end of ontology is fitted in, ontology is supported into fiber by its end
Web machine.
More specifically, scraper ventilation beam according to the present invention is characterized in that: the scraper ventilation beam further includes air guide portion,
On the wall for the ontology that the air guide portion is suitable for being secured to opening, balance cylinder, and the air guide portion are formed inside the air guide portion
Multiple air supply openings including the drying section for air to be supplied to fiber web machine from balance cylinder.
More specifically, mounting kit according to the present invention is characterized in that: the mounting kit further includes air guide portion, this is led
Gas portion is suitable on the outside that the opening being formed in wall is mounted on ontology, these openings are intended for air sending out this
Body inside the air guide portion forms balance cylinder so that air from gas operated device is balanced, and the air guide portion includes for will
Air is supplied to multiple air supply openings of the drying section of fiber web machine from balance cylinder.
Detailed description of the invention
Below with reference to attached drawing the present invention is described in detail, these attached drawings have demonstrated some embodiments of the present invention, in the accompanying drawings:
Fig. 1 a shows the schematic diagram of the ontology of the scraper ventilator of the prior art demonstrated along the longitudinal direction from end；
Fig. 1 b shows the cross-sectional view relative to longitudinal direction of the scraper ventilator of the prior art according to fig. 1a；
Fig. 2 shows the perspective views of scraper ventilator and scraper ventilation beam according to the present invention；
Fig. 3 shows the scraper ventilator according to the present invention demonstrated along the longitudinal direction from one end and scraper ventilation beam；
Fig. 4 shows the feeder of scraper ventilation beam according to the present invention and gas operated device when ontology is in crosscutting state
Perspective view；
Fig. 5 a shows the perspective view in the air guide portion of scraper ventilation beam according to the present invention；
Figure 5b shows that an embodiments in the air guide portion of scraper ventilation beam according to the present invention along the longitudinal direction side of scraper ventilation beam
To the transverse sectional view of observation；
Fig. 6 a- Fig. 6 b shows the optional position in the air guide portion of the scraper ventilator according to the present invention demonstrated from one end
(setting)；
Fig. 7 a- Fig. 7 b shows the optional application of the scraper ventilator according to the present invention demonstrated from one end.
Specific embodiment
Scraper ventilation beam 10 according to the present invention shown in Fig. 2 be used to scrape the dry of fiber web machine shown in Fig. 1 a
The drying cylinder 102 in dry portion 101, and feed for air 62 will to be replaced by drying cylinder 102, steering cylinder (slewing rollers) 103 and web of fiber
The bag space (being advantageously throat 60) that material 50 is formed, wherein fiber web 50 is by the fabric-supported that runs.Scraper ventilation beam 10
Include: hollow body 12, including two ends 14,15 and the wall 11 between end 14 and 15, is made by these ends
Ontology 12 is secured to the frame (not shown) of fiber web machine according to prior art by support device 16.Support device 16
It may include the bearing block 36 of the frame to be tightened to fiber web machine, by the bearing block 36, ontology 12 is by Fig. 3, Fig. 6 a
It is installed on bearing in an eccentric manner with all holes or series of apertures 38 that are better shown in Fig. 6 b.Use scraper ventilator
The air of supply is admitted to the ontology 12 of scraper ventilation beam 10 by feeder 18.According to fig. 2, feeder 18 is advantageously
It is arranged on the wall of 12 that side of ontology, in the case, the bearing block 36 at two ends 14,15 of ontology 12 can be phase
As.In this case, bearing unit is symmetrical, this facilitates the support to scraper ventilator and cylinder.Also simplify in this way
The structure of support device, because the supply of air does not need the end for being disposed across ontology in this case.Even if
Fig. 2 is for clarity without showing drying cylinder, it is to be understood that drying cylinder is located at the surface of scraper ventilator and and scraper blade
54 contacts.
Fig. 3 shows support device 16 along the structure of the longitudinal direction of ontology 12.According to Fig. 3, utilization is according to the present invention
The scraper ventilator 1 of scraper ventilation beam 10 includes: scraper ventilation beam 10 according to the present invention；Tip holder 52, is fastened to and scrapes
Knife ventilation beam 10；And scraper blade 54, it fits in tip holder 52, for being scraped to the drying cylinder 102 in drying section 101
It wipes.By all holes 38, the bearing unit of scraper ventilation beam 10 can be implemented in an eccentric manner, this makes it possible to pass through utilization
The quality of scraper ventilation beam 10 and so that the scraper blade 54 of scraper ventilator 1 is carried out gravity pressing to the surface of drying cylinder 102.This
In the case of, the center of gravity of scraper ventilator is for scraper ventilator is supported to the supporting point of the frame of fiber web machine
Eccentric.
Fig. 4 illustrates in greater detail the feeder of the scraper ventilation beam 10 according to the present invention when ontology 12 is in crosscutting state
18.According to Fig. 4, feeder 18 passes through the side surface 26 of ontology 12 in one side, is connected to via gas supply interconnecting piece 32
Ontology 12.The part except the ontology 12 of feeder 18 can be made of corrugated flexible hose 34, this enables scraper ventilator 1
It is enough to be moved between operating position and maintenance position.Gas operated device 20 is fastened to the gas supply of feeder 18 in the inside of ontology 12
The edge of interconnecting piece 32, the gas operated device can be the aeroscopic plate 21 according to Fig. 4, which makes along the transverse direction side of ontology 12
To supply air stream at least partly turn to and go to substantially the longitudinal direction of ontology 12.The purposes of gas operated device 20 is balanced
Air-flow in ontology 12, so that body interior be made not retain big pressure change.If without gas operated device, scraper ventilation
Air pressure at that one end of beam supplied can be left higher than other end place.If it is necessary, gas operated device can be it is adjustable
, at this moment they can for example be hinged on ontology.The position of radial type aeroscopic plate can for example be changed by electric actuator
Become.
According to Fig. 5 a, scraper ventilation beam 10 according to the present invention further includes air guide portion 28, which is fastened to ontology 12
Wall 11 side surface 26.The balance cylinder 22 of scraper ventilator is formed in the ontology 12 in air guide portion 28 and being located at opening 24
Outside, these opening 24 be formed in ontology 12 wall 11 outer surface 26 on (shown in dotted line in figure).It is according to the present invention
Structure does not use the balance cylinder in scraper ventilator and scraper ventilation beam according to prior art, but balance cylinder is formed in
The outside of ontology.In scraper ventilation beam according to the present invention, air guide portion executes two functions: air-flow being made to go to selected court
Keep air-flow balanced to the direction of the throat of drying section, and before air is supplied to throat from air guide portion.
Air guide portion 28 includes air supply opening 30, and air is supplied via air supply opening 30 to the drying of fiber web machine from balance cylinder 22
Portion.In this way, being introduced in the air of balance cylinder 22 cannot advance from air supply opening 30 directly through balance cylinder, opening 24 and air supply opening
30 overlap each other to form the indentation travel path of air.According to Fig. 5 a, the shape of air supply opening 30 can be elongated shape, with
Just supplied air is guided, but the shape can also be oval, round or other shapes for being suitable for the purposes.
Advantageously, air guide portion is fastened to the side table of the wall of ontology by the locking stop section 42 (Fig. 5 b) of such as bolt etc
Face, these locking stop sections can be secured to elliptical aperture 66 shown in Fig. 5 a.These elliptical apertures enable air guide portion along scraper
The longitudinal direction of ventilator carries out small displacement, and the direction of the travel path or even air supply that make air in this case changes
Become.According to an embodiment, elliptical aperture can also be (long axis) along the ellipse of the transverse direction of ontology, and be different from Fig. 5 a in
The ellipse of (long axis) along the longitudinal direction of ontology.In this case, the curved angle in air guide portion can change.This means that
Those of parallel with the side surface of the ontology part (in other words, the part that these elliptical apertures are located at) in air guide portion is by along ontology
Transverse direction pushs towards, and the cross section in air guide portion changes in the case.
As an alternative of elliptical aperture, can also be formed along the claw type portion (claw) 70 of the longitudinal direction of ontology 12
(as shown in Figure 5 b) forms the side surface with ontology 12 as the locking stop section 42 on the side surface of the wall of ontology, the pawl 70
The structure of 26 vertical line traversed by, the structure prevent moving for the vertical line direction of the side surface of the ontology 12 along air guide portion 28, but
Air guide portion 28 is set to be installed in place by the longitudinal movement of ontology.It can have one or two claw type portion 70, and tight
Gu when this locking can also be reinforced using adhesive.Claw type portion 70 is formed between air guide portion 28 and ontology 12 based on shape
The joint portion of locking, the joint portion is durable and air guide portion 28 is made to be readily able to remove to repair.It claw type portion can be with one
The mode of body be formed as the side surface of ontology 12 a part or they can be reequiped by individual fastener.
Alternatively, air guide portion 28 can be come tight by a kind of bayonet joint (bayonet fastening, buckle-type tying)
Gu air guide portion 28 is pushed into along the transverse direction of ontology first wherein locking stop section is formed on the side surface of ontology 12
Stop section is locked, is finally locked using the longitudinal movement of ontology.Advantageously, locking stop section 42 is symmetrical, in this feelings
They also enable air guide portion 28 turn around to be installed to ontology 12 under condition, and the direction of the air supply opening in air guide portion 28 changes in the case
It alters an agreement 90 °.
Air guide portion 28 can be the structure of 73 cross sections of being generally triangular that has according to Fig. 5 b, which for example can be with
It is bent to obtain by stainless steel.The cross section in air guide portion 28 can also have some other shape, but triangle is because only passing through bending
It is made and low in cost.Alternatively, air guide portion 28 can also be for example plastic cast and made of article.The gas supply in air guide portion 28
Mouthfuls 30 early can just be formed in air guide portion 28 during manufacture, or can also Drilling goes out this backward before installing air guide portion 28
A little air supply openings.Air guide portion 28 can be constituted or it can be assembled by multiple shorter sections by one section of the length of ontology beam 12.
According to an embodiment, there can be an individual adjustable plate in the inside in air guide portion 28, be formed and air supply opening 30 in the adjustable plate
Or the corresponding multiple adjusting openings of opening 24.The adjustable plate can be placed in the front of the air supply opening 30 of 22 inside of balance cylinder, herein
In the case of, by changing adjustable plate along the position of the longitudinal direction of ontology beam 12, these of adjustable plate adjust opening and air supply opening
40 position is completely or partially consistent, limits the flowing of air.
According to Fig. 6 a and Fig. 6 b, the position in air guide portion 28 can be based on application (difference) and on the side surface of ontology 12 26
Change.Opening 24 in ontology 12 shown in Fig. 5 a is based on application and towards appropriate on the side surface of the wall of ontology 12 11 26
Direction formed.In the case where Fig. 6 a, opening 24 correspond to air guide portion 28 and be formed in ontology 12 relative to scraper blade 54
Opposite side on.In figure 6b, air guide portion 28 is then installed into substantially on that side identical with scraper blade 54 of ontology 12.Root
According to Fig. 6 a and Fig. 6 b, the shape of the cross section of ontology 12 can be substantially triangular in shape.This shape of ontology 12 makes scraper ventilation beam
It can be used in several different applications, because the shape of ontology is not intended to limit the application, this is narrow and high with the prior art
Scraper ventilation beam is different.
In these embodiments, the bearing 56 of ontology 12 is secured to all holes 38, and is fastened to the right hand edge in this week hole,
The center of gravity of this situation lower coating blade ventilation beam 10 is located on the left side of bearing 56 and tends to make scraper ventilation beam 10 around 56 inverse time of bearing
Needle rotation.If drying cylinder to be scraped is placed in 1 top of scraper ventilator, such bearing unit can be used.Bearing
Relative distance between the mutual center of gravity of scraper ventilator 1 is determined corresponding to weight caused by scraper ventilator and is generated more
The power that long lever arm and scraper blade 54 compresses drying cylinder 102 to be scraped has much.Due to the presence in all holes, this is apart from energy
It is chosen between several different alternatives.Fig. 7 a and Fig. 7 b show scraper ventilation beam 10 according to the present invention on so-called
The use of portion position and lower position.
Alternatively, scraper ventilation beam can be supported using plain bearing unit placed in the middle without using all holes, wherein for example
The weight of the scraper blade of scraper ventilator 1 is handled by hose load.
In scraper ventilation beam according to the present invention, by changing air guide portion or the size by changing air supply opening completely
Or direction, the supply of air can be easily adjusted.Thus substantially eliminate the needs that the inside in ontology changes.
By mounting kit according to the present invention, by adding gas operated device inside hollow doctor beam, and pass through by
Feeder is added to the end of doctor beam, existing hollow doctor beam can be converted to scraper ventilation beam according to the present invention.It removes
Except this, air guide portion is attached to the outer surface of doctor beam, which forms balance cylinder and be suitably oriented to air-flow.
Claims (10)
1. a kind of scraper ventilation beam of the scraper in drying section for fiber web machine, comprising:
Hollow body (12), including two ends (14,15) and the wall (11) between the end；
Support device (16) fits at the end (14,15) of the ontology (12), and the ontology (12) is passed through
The end supports to the fiber web machine；
Feeder (18), described in being sent into air with one of the ontology (12) end (14, the 15) connection
Ontology (12)；
Gas operated device (20) fits in the ontology (12), in the whole length of the ontology (12) substantially homogeneously
Guide the air supplied by the feeder (18)；
Balance cylinder (22) keeps the air from the gas operated device (20) balanced；
It is open (24), is formed in the wall (11) of the ontology (12), air-flow is sent out into the ontology (12), feature exists
In the scraper ventilation beam (10) further include: air guide portion (28) are suitable for being fastened to the ontology at the opening (24)
(12) on the wall (11) on the outside of, it is internal that the balance cylinder (22) is formed in the air guide portion (28), and the air guide portion (28) is wrapped
Include the air supply opening (30) for supplying from the drying section (101) of the balance cylinder (22) Xiang Suoshu fiber web machine.
2. scraper ventilation beam according to claim 1, which is characterized in that the feeder (18) includes: gas supply connection
Portion (32) and corrugated flexible hose (34) are formed at the side table of the wall (11) between the end (14,15) of the ontology (12)
It on face, and is connected with an end (14,15), so that air is directed to the ontology via the gas supply interconnecting piece (32)
(12) inside.
3. scraper ventilation beam according to claim 1, which is characterized in that the support device (16) is bearing block (36),
The bearing block is equipped with all holes (38) for the ontology (12) to be mounted on bearings with eccentric manner.
4. scraper ventilation beam according to any one of claim 1 to 3, which is characterized in that the ontology (12) includes lock
Stop section (42) are determined, the air guide portion (28) to be fastened to the outer surface (26) for belonging to the wall (11) of the ontology (12).
5. scraper ventilation beam according to claim 4, which is characterized in that the locking stop section (42) is form-lock
's.
6. scraper ventilation beam according to any one of claim 1 to 3, which is characterized in that the confession of the air guide portion (28)
Port (30) is Chong Die with opening (24) in the ontology (12), so that air-flow is balanced.
7. scraper ventilation beam according to any one of claim 1 to 3, which is characterized in that the ontology (12) it is transversal
Face is in isosceles triangle substantially.
8. scraper ventilation beam according to any one of claim 1 to 3, which is characterized in that the air guide portion (28) includes
Adjustable plate, the adjustable plate is used to partly cover the opening (24) in the ontology (12), to adjust the air-flow.
9. scraper ventilation beam according to any one of claim 1 to 3, which is characterized in that the air guide portion (28) be by
Structure made of sheet metal bending, the air guide portion and the side surface (26) for the wall (11) for belonging to the ontology (12) are formed together
The cross section of the balance cylinder (22), the air guide portion (28) is substantially triangular in shape.
10. it is a kind of for forming the mounting kit of scraper ventilator by doctor beam in the drying section of fiber web machine, it is described to scrape
Knife beam includes:
Hollow body (12), including two ends (14,15) and the wall (11) between the end；
Support device (16) fits at the end (14,15) of the ontology (12), to the ontology (12) are logical
It crosses the end and supports to the fiber web machine, and
The mounting kit includes:
Feeder (18) will be empty suitable for being installed into end (14, a 15) connection with the ontology (12)
Pneumatic transmission enters the ontology (12)；
Gas operated device (20), is adapted to mount to the inside of the ontology (12), with the base in the whole length of the ontology (12)
This equably guides the air supplied by the feeder (18)；
It is characterized in that, the mounting kit further include: air guide portion (28) are suitable for the opening (24) formed in the wall (11)
Place is mounted on the outside of the ontology (12), and the opening (24) is used to air-flow sending out the ontology (12), in the air guide
Balance cylinder (22) are formed inside portion (28) so that the air from the gas operated device (20) is balanced, and the air guide portion (28) is wrapped
Air supply opening (30) are included, air to be supplied to the drying section (101) of the fiber web machine from the balance cylinder (22).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20155707 | 2015-10-09 | ||
| FI20155707A FI126414B (en) | 2015-10-09 | 2015-10-09 | Scraper fan beam for scraping the drying section of the fibrous web machine and mounting kit for forming a scraper fan from the scraper bar of the drying section of the fibrous web machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106978759A CN106978759A (en) | 2017-07-25 |
| CN106978759B true CN106978759B (en) | 2019-09-06 |
Family
ID=57144737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610883789.9A Active CN106978759B (en) | 2015-10-09 | 2016-10-10 | For the scraper ventilation beam and corresponding mounting kit in fiber web machine drying section |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3153623B1 (en) |
| CN (1) | CN106978759B (en) |
| ES (1) | ES2743273T3 (en) |
| FI (1) | FI126414B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI130289B (en) * | 2020-09-25 | 2023-06-02 | Valmet Technologies Oy | Blowing equipment for a fibre web machine doctor blade assembly, and fibre web machine doctor blade assembly with a blowing equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4416070A (en) * | 1980-12-01 | 1983-11-22 | Valmet Oy | Air-directing device for multiple cylinder dryer of paper machine |
| US5074278A (en) * | 1989-09-29 | 1991-12-24 | Enerquin Air, Inc. | Pocket ventilator |
| CA2052059A1 (en) * | 1990-10-01 | 1992-04-02 | Heikki Ilvespaa | Method and device in the drying section of a paper machine in the threading of the web |
| CN1129023A (en) * | 1993-05-19 | 1996-08-14 | 贝洛特工艺技术公司 | Apparatus for drying web |
| DE19548303A1 (en) * | 1995-12-22 | 1997-06-26 | Voith Sulzer Papiermasch Gmbh | Dryer section |
| US5881472A (en) * | 1997-10-22 | 1999-03-16 | Beloit Technologies, Inc. | Ventilator apparatus for inhibiting flutter in a web dryer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI120005B (en) * | 2001-03-06 | 2009-05-29 | Metso Paper Inc | Arrangement with drying section of paper machine |
| FI6649U1 (en) * | 2005-01-14 | 2005-04-26 | Metso Paper Inc | Scraper fan for paper or board machines |
-
2015
- 2015-10-09 FI FI20155707A patent/FI126414B/en active IP Right Grant
-
2016
- 2016-09-15 ES ES16188895T patent/ES2743273T3/en active Active
- 2016-09-15 EP EP16188895.3A patent/EP3153623B1/en active Active
- 2016-10-10 CN CN201610883789.9A patent/CN106978759B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4416070A (en) * | 1980-12-01 | 1983-11-22 | Valmet Oy | Air-directing device for multiple cylinder dryer of paper machine |
| US5074278A (en) * | 1989-09-29 | 1991-12-24 | Enerquin Air, Inc. | Pocket ventilator |
| CA2052059A1 (en) * | 1990-10-01 | 1992-04-02 | Heikki Ilvespaa | Method and device in the drying section of a paper machine in the threading of the web |
| CN1129023A (en) * | 1993-05-19 | 1996-08-14 | 贝洛特工艺技术公司 | Apparatus for drying web |
| DE19548303A1 (en) * | 1995-12-22 | 1997-06-26 | Voith Sulzer Papiermasch Gmbh | Dryer section |
| US5881472A (en) * | 1997-10-22 | 1999-03-16 | Beloit Technologies, Inc. | Ventilator apparatus for inhibiting flutter in a web dryer |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2743273T3 (en) | 2020-02-18 |
| CN106978759A (en) | 2017-07-25 |
| EP3153623B1 (en) | 2019-06-05 |
| FI126414B (en) | 2016-11-30 |
| EP3153623A1 (en) | 2017-04-12 |
| FI20155707A (en) | 2016-11-30 |
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