CN203295892U - Device for flow control in flow box of paper machine - Google Patents

Device for flow control in flow box of paper machine Download PDF

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Publication number
CN203295892U
CN203295892U CN2013200345883U CN201320034588U CN203295892U CN 203295892 U CN203295892 U CN 203295892U CN 2013200345883 U CN2013200345883 U CN 2013200345883U CN 201320034588 U CN201320034588 U CN 201320034588U CN 203295892 U CN203295892 U CN 203295892U
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China
Prior art keywords
blade
turbulent
pipe
blocking device
keeper
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CN2013200345883U
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Chinese (zh)
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安蒂·波伊科莱宁
扬内·拉皮
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Valmet Technologies Oy
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Metso Paper Oy
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/02Head boxes of Fourdrinier machines
    • D21F1/026Details of the turbulence section

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Abstract

The utility model relates to a device for flow control in a flow box of a paper machine. The device for flow control in the flow box of the paper machine comprises turbulence pipes (16) and a blocking device (26), wherein turbulence pipe rows (18) are formed by the turbulence pipes (16), the turbulence pipes (16) are provided with output openings (22), and the blocking device (26) is used for sealing the output openings (22) of at least one turbulence pipe row (18), and is arranged on the output opening (22), so that at least one open turbulence pipe row (18') is kept above at least one turbulence pipe row (18) sealed through the blocking device (26), and at least one open turbulence pipe row (18') is kept below the turbulence pipe row (18) closed through the blocking device (26).

Description

For the head box at paper machine, control the equipment of flow
Technical field
The utility model relates to a kind of at paper machine-head box, controlling the equipment of flow, and it comprises and sets in a row and have the turbulent pipe of delivery outlet and be used to the blocking device of the delivery outlet that seals at least one turbulent pipe row.
Background technology
From time started of Aladdin former to the early 21st century, the on-bladed of paper machine-head box (lamellenlosen) turbulent flow generator is commonly used.Using the on-bladed turbulent flow generator in the past is the reason due to cost and availability aspect, because vertically/laterally tensile strength ratio of (namely directed) of paper is not determined to too accurate boundary, and usually due to the runnability of production line and printing machine, and make people make great efforts to seek a kind of very large tensile strength ratio.
Recently, according to the market situation that changes, change has occurred in paper mold in the paper machine of One's name is legion.People make every effort to the paper mold that multiple its functional requirement of the enough existing device fabrications of energy is based on lower tensile strength ratio.Traditionally, the scope that is converted to a kind of new tensile strength ratio need to be changed whole head box or change at least turbulent flow generator, and this is disadvantageous often economically.In addition, old head box still can very well be worked in other side (for example moulding (Profil)).
The second conversion often is associated with the technique change in screen cloth part.Screen cloth part may be by " renewal ", and wherein the output in head box can reduce usually, and due to the effect of now less lip opening, has strengthened the directional effect of head box.In addition, in the head box of before designed high-throughput, the flowing velocity in the turbulent pipe of turbulent flow generator may obviously descend, and wherein the ability of the loosen collagen fibre sheet of head box also may be as its ability to work the same be lowered relevant with moulding.
In the prior art, patent document FI20075242 has described blocking device additionally has been set in head box, and it is in the situation that use at least one turbulent pipe row's of filling block sealing input port and delivery outlet.This filling block is arranged on the outlet side of turbulent flow generator with certain altitude, make its lower lips that is pressed against the raw material passing away in operating process or upper lip and block the connection of leading to described turbulent pipe row.But this solution, in the situation that not for filling block fixedly carry out a large amount of changes, just can not jointly use with the on-bladed turbulent flow generator.And filling block has only reduced the tensile strength ratio of the paper of producing slightly.
Summary of the invention
Above technical problem in view of prior art, the utility model proposes a kind of at paper machine-head box, controlling the equipment of flow, by this device, can control the direction of fibrous suspension and improve flowing velocity, and this device also can additionally be arranged in existing on-bladed turbulent flow generator.
According to the utility model, provide a kind of equipment of controlling flow for the head box at paper machine, it can comprise and sets in a row and have the turbulent pipe of delivery outlet and be used to the blocking device of the delivery outlet that seals at least one turbulent pipe row, it is characterized in that, described blocking device is arranged on described delivery outlet, makes at least one row's of the turbulent pipe by described blocking device sealing above and below and keeps respectively at least one open turbulent pipe row.
In equipment of the present utility model, described blocking device can further comprise fixture, for described blocking device being fixed on to the turbulent flow generator that belongs to described head box.
In equipment of the present utility model, described blocking device can comprise that this blade keeper also has the blade fixture for fixed blade be used to sealing the blade keeper of described delivery outlet.
In equipment of the present utility model, described blocking device can comprise the input port of the turbulent pipe that gets clogged for sealing and the embolization device of fixing described blocking device.
In equipment of the present utility model, described equipment also can comprise the blade that is mixed at the passing away of described head box for reinforcing fibre suspension, and described blade is fixed on described blade keeper by described blade fixture.
In equipment of the present utility model, described fixture can comprise: bolt, and it passes described blade keeper and extends on the longitudinal direction of described turbulent pipe; Sleeve pipe, its inside in described turbulent pipe around described bolt setting; And nut, on its end that deviates from mutually with described blade keeper that is fixed on described bolt, be used to making described sleeve pipe to the wall expansion that belongs to described turbulent pipe, in order to described blocking device is fixed on described turbulent flow generator.
In equipment of the present utility model, described sleeve pipe can be flexible and parts frictional fit.
In equipment of the present utility model, described fixture can comprise keeper, for described blade keeper being fixed on to the described blade fixture that belongs to described turbulent flow generator.
In equipment of the present utility model, described fixture can comprise: threaded rod extends through between its described embolization device in described turbulent pipe and described blade keeper, so that described embolization device and described blade keeper are fixed to one another; And be arranged on screw thread corresponding with described threaded rod on described embolization device.
In equipment of the present utility model, described fixture can comprise: threaded rod, and it passes described blade keeper and extends on the longitudinal direction of described turbulent pipe; Sleeve pipe, it is in the inside of described turbulent pipe, and and form fit ground relevant to the instability of the diameter of described turbulent pipe is around described threaded rod setting; And nut, on its end that deviates from mutually with described blade keeper that is arranged on described threaded rod, for described blocking device is fixed on to described turbulent flow generator.
Particularly, above-mentioned purpose realizes by a kind of like this device, this device comprises be used to sealing at least one turbulent pipe row's blocking device, wherein, this blocking device is fixed on delivery outlet, makes in the above and below of at least one the turbulent pipe row by the blocking device sealing and keeps respectively having at least one open turbulent pipe row.Can improve the flowing velocity in turbulent pipe in this way, this can cause stronger flow turbulence and therefore cause stronger mixing in the raw material passing away.
Preferably, blocking device also comprises fixture, for this blocking device being fixed on to the turbulent flow generator that belongs to head box.By this fixture, described equipment can be in the situation that do not change and be fixed on turbulent flow generator yet.
Preferably, blocking device comprises that this blade keeper has the blade fixture for fixed blade be used to sealing the blade keeper of delivery outlet.By this blade keeper, can close turbulent pipe row, and simultaneously blade be inserted in the raw material passing away.
Blocking device can comprise embolization device (Pfropfenmittel), the input port of the turbulent pipe that gets clogged for sealing.Can improve in this way the maintenance intensity on the delivery outlet that the blade keeper is fixed on turbulent pipe, because after this do not have fluid to arrive the turbulent pipe that will be closed.
In addition, described equipment preferably includes by means of the blade fixture and is fixed on the blade on the blade keeper, in order to mixing of reinforcing fibre suspension in belonging to the raw material passing away of head box.By means of blade can the reinforcing fibre suspension fluid miscibility, and with this, reduce directionality when needed.
According to an embodiment, fixture comprises: the bolt that passes the blade keeper and extend on the longitudinal direction of turbulent pipe; Sleeve pipe/the sleeve that is arranged in turbulent pipe and arranges around bolt; And will be fixed on the nut on the end relative with the blade keeper of bolt, with so that sleeve pipe to the wall expansion that belongs to turbulent pipe, in order to blocking device is fixed on turbulent flow generator.With the corresponding described equipment of this embodiment, also can be installed in the on-bladed turbulent flow generator, and without changing this turbulent flow generator.
Sleeve pipe can be flexible and frictional fit.Like this, described equipment also can be installed in the on-bladed turbulent flow generator of the turbulent pipe with constant cross-section.
According to the second embodiment, fixture comprises locator
Figure BDA00002765313500041
For the blade keeper is fixed on to the blade fixture that belongs to turbulent flow generator.Then described equipment can be arranged on the blade fixture that has existed quickly and easily.
According to the 3rd embodiment, fixture comprises with so that their fastened to each other threaded rods that runs through, and is formed on the pairing screw thread on blade keeper and embolization device between turbulent pipe-embolization device and blade keeper.According to this embodiment, designed equipment also can be fixed on the on-bladed turbulent flow generator, and without changing this turbulent flow generator.
According to the 4th embodiment, fixture comprises: threaded rod, and it passes the blade keeper and extends on the turbulent pipe longitudinal direction; Sleeve pipe, it is arranged in turbulent pipe, and relevant to the instability (Unstetigkeit) of turbulent pipe diameter and form fit ground arranges around this threaded rod; And nut, it is fixed on the end relative with the blade keeper of this threaded rod, for blocking device is fixed on to turbulent flow generator.According to the described equipment of present embodiment design, also can be fixed on the on-bladed turbulent flow generator, and without changing this turbulent flow generator.
More precisely, according to equipment of the present utility model, be characterised in that, blocking device is arranged on delivery outlet like this, makes in the above and below of at least one the turbulent pipe row by the blocking device sealing and keeps respectively having at least one open turbulent pipe row.
According to equipment of the present utility model, be particularly well suited to the intense adjustment to head box, because by this equipment, can easily close the turbulent pipe row of requirement, in order in the raw material passing away, produce the mobile speed of enough fibrous suspensions.In addition, this equipment allows to add blade, will further improve the controllability of head box thus.
The accompanying drawing explanation
With reference to the accompanying drawing that shows embodiments more of the present utility model, describe the utility model in detail hereinafter.Wherein:
Fig. 1 a shows the schematic diagram of observing from the side the embodiment according to equipment of the present utility model in head box;
Fig. 1 b shows the zoomed-in view of blade keeper of the embodiment of Fig. 1 a, and it illustrates with A part (Det.A);
Fig. 1 c shows the alternative structure of blade keeper of the embodiment of Fig. 1 a and Fig. 1 b;
Fig. 2 a shows the schematic diagram of observing from the side the second embodiment according to equipment of the present utility model in head box;
Fig. 2 b shows the zoomed-in view of blade keeper of the embodiment of Fig. 2 a, and it illustrates with B part (Det.B);
Fig. 3 shows the stereogram according to the 3rd embodiment of equipment of the present utility model, wherein only shows a turbulent pipe row of turbulent flow generator;
Fig. 4 a shows the embodiment of the Fig. 3 that observes from the side by the cross section of the longitudinal axis of threaded rod;
Fig. 4 b shows the embodiment of the Fig. 3 that observes from the side, wherein only shows the cross section of turbulent pipe.
The specific embodiment
In Fig. 1 a and Fig. 2 a with side view show that the head box 12 different from two be connected according to two of equipment 10 of the present utility model different embodiments.This head box for by fibrous suspension with uniformly and the form that is the jet of screen cloth width be applied to screen cloth.Head box 12 comprises feed distributor 50, and fibrous suspension is fed in pipe group (Rohrbatterie) 60 by this distributor.Follow after pipe group 60 be turbulent flow generator 14(according to Fig. 1 a) or the 66(of balance cylinder that connects turbulent flow generator 14 on it according to Fig. 2 a).Fibrous suspension is directed into raw material passing away 24 from turbulent flow generator 14, and through vent gap 62, is directed on screen cloth therefrom.
According to the purpose of equipment of the present utility model, be to improve the flowing velocity of fibrous suspension in the turbulent pipe of turbulent flow generator, thereby strengthen flow turbulence and improve the miscibility of fibrous suspension, and reduce in this way the directionality in the raw material passing away.Be enhanced that is directionality that reduce in the case causes again less tensile strength ratio.According to the utility model, by by means of blocking device 26, sealing input port 20 and the delivery outlet 22 of turbulent pipe 16, make one or more turbulent pipe rows 18 of the turbulent flow generator 14 that flows for fibrous suspension get clogged.Thus, when the fibrous suspension output kept constant, the flowing velocity in keeping the turbulent pipe of opening row 18 was increased.Blocking device 26 comprises the blade keeper 28 of the delivery outlet 22 that can seal turbulent pipe 16, and it makes the row 18 who is positioned at same level get clogged.In this way, can on the whole width of turbulent flow generator, regulate equably the flowing velocity of fibrous suspension in turbulent flow generator.According to the utility model, blade keeper 28 comprises blade fixture 31, in order to blade 32 is inserted in passing away 24, thereby can improve the miscibility of fibrous suspension in raw material passing away 24/mix.
In the embodiment shown in Fig. 1 a, on the delivery outlet of the turbulent pipe 16 of turbulent flow generator 14, there is the blade fixture 31 as standard configuration, for fixed blade 32.Fig. 1 b shows blade keeper 28 is fixed on to the zoomed-in view on turbulent flow generator 14.Blade fixture 31 can be comprised of the dovetail connector 64 of type shown in figure, wherein, negative forming section (Negativform, the indent forming section) 66 for example as groove, be arranged on the web 70 of wall 68 of turbulent pipe 16 (as shown in Figure 1 b), positive forming section (Positivform, evagination forming section) 72 is arranged on the end of blade 32.In the present embodiment, fixture 30 comprises the keeper 66 and 72 that is arranged on blade keeper 28, for example: positive forming section 72, it can be fixed on blade keeper 28 on the leaf position on the web 70 of wall 68, and being positioned at the negative forming section 66 on the edge relative with positive forming section 72 of blade keeper 28, it can be fixed on blade 32 on blade keeper 28.This keeper also can be designed to be different from other pattern of dovetail type.
As shown in Figure 1 b, by according to equipment of the present utility model, utilizing blade keeper 28, block single turbulent pipe row 18, and simultaneously blade 32 is fixed on blade keeper 28.If the equipment as shown in Fig. 1 a and Fig. 1 b uses in already present turbulent flow generator, total leaf number can be reduced to a blade so.In general, can improve turbulent flow and the miscibility of fibrous suspension, and reduce directionality.
According to a kind of embodiment of the present utility model, at the blade keeper 28 shown in Fig. 1 b, also can be designed to saving in weight, make its cross section be approximate " V " shape, referring to Fig. 1 c.In this case, the positive forming section 72 of fixture 30 is positioned on shank 76, and negative forming section 66 is positioned at the binding site 78 of shank.This " alleviating " blade keeper can for example be made by extrusion process by plastics.
Fig. 2 a shows the another kind of embodiment according to equipment of the present utility model, and wherein, at least one turbulent pipe row 18 of the turbulent flow generator 14 of original on-bladed head box 12 is closed.In the present embodiment, to the one or more turbulent pipe row of turbulent pipe group be blocked in principle with Fig. 1 a and Fig. 1 b in the corresponding mode of embodiment realize.In other words, turbulent pipe row 18 by blocking device 26 in input port 20 sides and being closed in delivery outlet 22 sides.Difference between embodiment in Fig. 1 a and Fig. 2 a is the fixture 30 of blocking device 26.It is vaneless due to the turbulent flow generator 14 of the embodiment of Fig. 2 a, being formed into, and it is compared with Fig. 1 b, the fixture for blade 32 30 that is not realized by dovetail connector 64.
As shown in Figure 2 b, in the present embodiment, the fixture 30 of blocking device 26 comprise bolt 40 ', it extends to embolization device 38 from the blade keeper 28 that is under the jurisdiction of blocking device 26 in single turbulent pipe 16.Blade keeper 28 is bearing on turbulent pipe row 18 delivery outlet 22, and embolization device 38 is bearing in again on turbulent pipe row 18 input port 20.Bolt 40 ' have screw thread, blade keeper 28 has through hole, and embolization device 38 has the hole with the pairing screw thread.The blade keeper also can have the pairing screw thread.Bolt 40 ' extend through the whole length of blade keeper 28 process turbulent pipe 16 until embolization device 38.By means of bolt 40 ', blade keeper 28 and embolization device 38 lean against on turbulent flow generator 14 clamped.
Fixture for example can be with on the width that is disposed on head box of 10-80 centimetre, preferred 30-50 centimetre, namely on cross-machine direction, thereby can under the situation of not using fixture on each turbulent pipe that gets clogged of turbulent pipe row, realize the fixing of blocking device.The turbulent pipe row's who gets clogged input port must get clogged.According to the length of turbulent flow generator, threaded rod or bolt can have the length of about 400-800 millimeter.The various embodiments about fixture of mentioning in this article also can " intersect " use, namely adopt the combination of the fixture of various embodiments.
As shown in Figure 2 b, in this embodiment, blade keeper 28 also has fixture 31, and this fixture can be comprised of the dovetail connector 64 shown in Fig. 1 b, and blade 32 is fixed on blade keeper 28 by this fixture.In this way, being fabricated to vaneless turbulent flow generator 14 and can being equipped with one or more blades 32 originally, improved the flowing velocity of the fibrous suspension in turbulent pipe 16 thus simultaneously.
According to Fig. 1 a-Fig. 2 b, preferably, according to the blocking device 26 of equipment of the present utility model, be fixed on such row's 18 turbulent pipe 16, that is: make between the turbulent pipe row 18 who gets clogged and the lower lip 34 that belongs to raw material passing away 24 and upper lip 36, to keep respectively that at least one does not get clogged that is open turbulent pipe and arrange 18 '.In other words, by this set can make turbulent flow generator the top turbulent pipe row and the turbulent pipe row of below all be not closed.Therefore, open turbulent pipe row 18 ' in fluid the blade 32 on blade keeper 28 of being fixed in raw material passing away 24 is remained with lower lip 34 and separates with upper lip 36, thereby the effect that blade is played fibrous suspension is better mixed.
In Fig. 3, show individually the row who is formed by turbulent pipe 16, it seals by blocking device 26 according to the 3rd embodiment.In the present embodiment, the same with the embodiment in Fig. 2 b as Fig. 2 a, turbulent flow generator also is designed to vaneless structure originally.Difference between these two kinds of embodiments is the type of the fixture 30 of blocking device 26.In the present embodiment, blade keeper 28 and embolization device 38 are fixed on the input port 20 and delivery outlet 22 of turbulent pipe dividually.Fig. 4 a and Fig. 4 b illustrate blade keeper 28 fixing of embodiment as shown in Figure 3 with side cross-sectional.In the present embodiment, preferably, the fixture 30 of blocking device 26 is connected to basis with frictional fit, and wherein, blocking device 26 is fixed on the wall 68 of turbulent pipe 16 by friction.
In the present embodiment, fixture 30 comprises: the threaded rod 40 that passes blade keeper 28 and extend on the longitudinal direction of turbulent pipe 16; Tubular sleeve 42 in turbulent pipe 16 inside around threaded rod 40; And on the end that deviates from mutually with blade keeper 28 that will be fixed on threaded rod 40 and be preferably conical nut 44.And threaded rod only consists of short parts, and these parts do not extend on the whole length of turbulent pipe 16.The basis that fixture plays a role is, on threaded rod 40, nut is moved to blade keeper 28 nut driving.Sleeve pipe 42 is made by elastomeric material, and has the opening for threaded rod 40 in central authorities.If nut 44 moves to blade keeper 28 now, nut can push together the elastomeric material of sleeve pipe 42 so, makes elastomeric material expand along the radial direction of threaded rod 40.Sleeve pipe 42 is clamped on the wall 68 of turbulent pipe 16 forcefully by nut 44.One preferred embodiment in, nut is designed to taper shape, thereby its cone shape can be converted to the motion in the radial direction that occurs in threaded rod by the motion that occurs on the turbulent pipe longitudinal direction, and at this, shell material is pressed against on the wall of turbulent pipe.Similarly operation principle also can be applied in the embolization device of the input port that will be fixed on turbulent pipe.
According to an embodiment, fixture also can be set to have the connection of form fit.For example, if turbulent pipe narrows down gradually towards delivery outlet, sleeve pipe can be designed as and is corresponding taper, and at this, sleeve pipe also can be in the situation that be clamped on the turbulent flow tube wall without tapered cup nut.Like this, fixture just can comprise: the threaded rod that passes the blade keeper and extend on the turbulent pipe longitudinal direction; Be positioned at the sleeve pipe of inner and relevant to the instability/inhomogeneities of turbulent pipe diameter and the form fit ground of turbulent pipe around the threaded rod installation; And the nut on the end that deviates from mutually with the blade keeper that will be fixed on threaded rod, this nut is for being fixed on turbulent flow generator by blocking device.This sleeve also can be made by stiff material.
The delivery outlet of the turbulent pipe of turbulent flow generator is normally undressed, the situation that some are inhomogeneous may occur like this.Therefore, in the embodiment as shown in Fig. 4 a and Fig. 4 b, blocking device 26 has elastic washer 52 between blade keeper 28 and delivery outlet 22, and it is for being connected to hermetically turbulent pipe 16 by blade keeper 28.Packing ring 52 also has for threaded rod 40 through hole used.Preferably, the through hole of blade keeper 28 and packing ring 52 forms ellipse, thereby allows thermal expansion.
As shown in Fig. 1 a-Fig. 4 b, preferably, it is in the recess 74 of its setting that the head 58 of threaded rod 40 sinks on the blade keeper, and can not hinder blade fixing on blade fixture 31.With reference to the accompanying drawings, also can use in the present embodiment dovetail to connect, wherein, the negative forming section on blade keeper 28 by operating position laterally, be that the groove 54 that broad ways is extended forms.Groove 54 has narrow 56, by this narrow, realizes positive lock.Blade can be by inserting and be fixed on groove from side direction.Groove 54 slightly is wider than the positive forming section of blade, thereby allows blade to do in vertical direction less pivotal motion, this means that blade can float in the flowing of fibrous suspension.
According to the fixture of the described equipment of Fig. 3 to Fig. 4 b, can also easily be installed in existing turbulent flow generator.Threaded rod is inserted through blade keeper, elastic washer and sleeve pipe, and is fixed with tapered cup nut on its end.After this, vane plate is arranged on the front side of turbulent flow generator together with sleeve pipe.Sleeve pipe is pushed in the delivery outlet of turbulent pipe and threaded rod is rotated, and at this tapered cup nut, makes the wall expansion of sleeve with respect to turbulent pipe, and thus the blade keeper is locked on its position.Finally, use the input port of embolization device sealing turbulent pipe.Such installation is to be easy to the most, and can be fully or almost entirely in the situation that existing turbulent flow generator is not carried out to any transformation and carry out.
According to equipment of the present utility model, can be used for making one or more turbulent pipe rows of turbulent flow generator to get clogged.Preferably, blade is fixed on the blade keeper that belongs to blocking device.Preferably, the height that has on operating position of blade keeper makes it only seal level row of turbulent pipe group.Preferably, the blade keeper has the fixture for one (single) blade.The blade keeper also can be formed into, and covers a plurality of pipe stacked on top of each other rows.By this equipment, can also seal a plurality of turbulent pipe rows and a plurality of blades are installed, yet preferably between the row who has sealed, always having at least one untight row at this.
According to an embodiment, itself can have blade shape the blade keeper, and therefore independently plays the effect as blade.Therefore can manufacture the blade keeper and there is no specific blade fixture.
According to the blade keeper of equipment of the present utility model, for example can be made by synthetic material or corresponding tireless material in operation.The blade keeper can be explicitly, namely on the whole width of head box, extend uniformly, or also can be made by shorter parts.According to equipment of the present utility model, can be combined with the head box of different in width, and be applicable to the different speed of production of paper machine.
According to solution of the present utility model, can also make existing head box repack the multilayer head box into.In this case, the feed distributor of head box for example is split up into two independently passages on short transverse, then different fibrous suspensions can be supplied to wherein.Utilization is according to blocking device of the present utility model, fibrous suspension in the raw material passing away until blade end all remain apart.Therefore, single-layer headboxes can be converted to multilayer head box, for example double-layer headbox by simple mode.
In this application, " paper machine " refers to paper machine, board machine or toilet paper machine or pulp dryer.

Claims (11)

1. equipment of controlling flow for the head box at paper machine, it comprises that in a row (18) arrange and have the turbulent pipe (16) of delivery outlet (22) and the blocking device (26) of arranging the delivery outlet (22) of (18) be used to sealing at least one turbulent pipe, it is characterized in that, it is upper that described blocking device (26) is arranged on described delivery outlet (22), makes and at least one above and below by the turbulent pipe row (18) of described blocking device (26) sealing, keep respectively at least one open turbulent pipe row (18 ').
2. equipment according to claim 1, is characterized in that, described blocking device (26) further comprises fixture (30), for described blocking device (26) being fixed on to the turbulent flow generator (14) that belongs to described head box (12).
3. equipment according to claim 1, it is characterized in that, described blocking device (26) comprises that this blade keeper also has the blade fixture (31) for fixed blade (32) be used to sealing the blade keeper (28) of described delivery outlet (22).
4. equipment according to claim 2, it is characterized in that, described blocking device (26) comprises that this blade keeper also has the blade fixture (31) for fixed blade (32) be used to sealing the blade keeper (28) of described delivery outlet (22).
5. the described equipment of any one according to claim 1 to 4, is characterized in that, described blocking device (26) comprises the input port (20) of the turbulent pipe (16) that gets clogged for sealing and the embolization device (38) of fixing described blocking device (26).
6. equipment according to claim 4, it is characterized in that, described equipment also comprises the blade (32) that is mixed for the passing away (24) of reinforcing fibre suspension in described head box (12), and described blade is fixed on described blade keeper (28) by described blade fixture (31).
7. equipment according to claim 6, is characterized in that, described fixture (30) comprising: bolt (40 '), and it passes described blade keeper (28) and extends on the longitudinal direction of described turbulent pipe (16); Sleeve pipe (42), its inside in described turbulent pipe also arranges around described bolt (40 '); And nut (44), on its end that deviates from mutually with described blade keeper (28) that is fixed on described bolt (40 '), for making described sleeve pipe (42) to the wall that belongs to described turbulent pipe (16) (68) expansion, in order to described blocking device (26) is fixed on described turbulent flow generator (14).
8. equipment according to claim 7, is characterized in that, described sleeve pipe (42) is flexible and parts frictional fit.
9. equipment according to claim 4, it is characterized in that, described fixture (30) comprises for described blade keeper (28) being fixed on to the keeper (66,72) on the described blade fixture (31) that belongs to described turbulent flow generator (14).
10. equipment according to claim 5, it is characterized in that, described fixture (30) comprising: threaded rod (40), between its described embolization device in described turbulent pipe (16) (38) and described blade keeper (28), extend through, so that described embolization device and described blade keeper are fixed to one another; And be arranged on the upper screw thread corresponding with described threaded rod (40) of described embolization device (38).
11. equipment according to claim 4, is characterized in that, described fixture (30) comprising: threaded rod (40), and it passes described blade keeper (28) and extends on the longitudinal direction of described turbulent pipe (16); Sleeve pipe (42), it is in the inside of described turbulent pipe (16), and relevant to the instability of the diameter of described turbulent pipe (16) and form fit ground arranges around described threaded rod (40); And nut (44), on its end that deviates from mutually with described blade keeper (28) that is arranged on described threaded rod (40), for described blocking device (26) is fixed to described turbulent flow generator (14).
CN2013200345883U 2012-01-25 2013-01-23 Device for flow control in flow box of paper machine Expired - Lifetime CN203295892U (en)

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Application Number Priority Date Filing Date Title
FI20125076 2012-01-25
FI20125076A FI123338B (en) 2012-01-25 2012-01-25 An arrangement for adjusting the flow in the headbox of a paper machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110761106A (en) * 2019-11-21 2020-02-07 宁波华辰机械有限公司 High-speed crescent head box

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI113197B (en) * 2002-09-20 2004-03-15 Metso Paper Inc The applicator
FI121795B (en) * 2010-04-13 2011-04-15 Metso Paper Inc Headbox Turbine Generator Sleeve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110761106A (en) * 2019-11-21 2020-02-07 宁波华辰机械有限公司 High-speed crescent head box
CN110761106B (en) * 2019-11-21 2024-05-14 宁波华辰机械有限公司 High-speed crescent head box

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AT13761U1 (en) 2014-08-15
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DE202013100203U1 (en) 2013-01-25
FI123338B (en) 2013-02-28

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