CN110273317A - Press section - Google Patents
Press section Download PDFInfo
- Publication number
- CN110273317A CN110273317A CN201910007956.7A CN201910007956A CN110273317A CN 110273317 A CN110273317 A CN 110273317A CN 201910007956 A CN201910007956 A CN 201910007956A CN 110273317 A CN110273317 A CN 110273317A
- Authority
- CN
- China
- Prior art keywords
- pressure roller
- bearing frame
- press section
- stand
- band
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/04—Arrangements thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/001—Wire-changing arrangements
Landscapes
- Paper (AREA)
Abstract
The present invention relates to a kind of press sections, it is used to be dehydrated paper web, board web or other fibrous cloth widths, press section includes: at least two squeezing gaps formed between three pressure roller, and fibrous cloth width is directed through squeezing gap together with the band of at least one continued circling respectively；And the rack for supporting these pressure roller, rack is formed by the bearing structure extendd in the longitudinal direction respectively on driving side and guidance side, bearing structure respectively include at least one along material web direction of travel be arranged in front of these pressure roller and along material web direction of travel be arranged in these pressure roller after stand, these stands pass through the lateral bearing frame that at least one is stretched between driving side and guidance side respectively and connect.Firm and simple structure should be able to be realized in the following way: having longitudinal load-bearing frame to extend between stand before and after being arranged in these pressure roller respectively on driving side and guiding side, longitudinal load-bearing frame is supported in these stands and does not connect with any lateral bearing frame.
Description
Technical field
It the present invention relates to a kind of press section, is used to be dehydrated paper web, board web or other fibrous cloth widths, squeeze
Portion includes: at least two squeezing gaps formed between three pressure roller, and fibrous cloth width is respectively together at least one continuous loop
Around band be directed through squeezing gap；And the rack for supporting these pressure roller, rack is by driving side and guidance side
The bearing structure extendd in the longitudinal direction respectively is formed, and bearing structure respectively includes at least one and is arranged in along material web direction of travel
Before these pressure roller and along material web direction of travel be arranged in these pressure roller after stand, wherein these stands are led to respectively
The lateral bearing frame that at least one extends between driving side and guidance side is crossed to connect.
Background technique
Paper machine include as basic module head box, thereon be formed with the screen cloth part of material web, postposition press section with
And the drying section with roller mechanism adjacent with press section.
Press section has multiple rollers, these rollers are arranged to different structures relative to each other and mutually form one or more
Squeeze gap.One important component of press section is band, especially felt, and band is directed through jointly with still moist paper web
It squeezes gap and absorbs water herein.The water being stored in press felt is deviate from other positions again.
As the every other component of paper machine, press section has rack.The rack is respectively in driving side and guiding
There is bearing structure on side.Pressure roller are supported in so-called bearing structure.
These bands are exposed in the environment of high wear.Therefore band must often be replaced.The band for removing abrasion can go out herein
Existing problem, this is because the band may be cut off.
The connection with end can be completed after being inserted into press section by transverse joint in the band of disconnection.
This is different from the upper band of new band, especially in the case where the band is used as continuous band.Multiple rollers are taken to for that will take
On, it is necessary to remove one at least part in two bearing structures, i.e., so-called spacing holder, so that these rollers are temporary
It is supported in the form of free arm in another bearing structure, that is, so-called cantilever principle.In band by upper band and then secondary
Spacing holder is inserted into relevant bearing structure, in order to so that the machine with new band puts into operation again.
Due to the high-speed cruising speed of modern paper machine and their significantly working widths, stability to rack and
The requirement of cost is high.
Summary of the invention
The task of the present invention is provide a kind of firm rack of press section, while reduction cost as far as possible.
According to the present invention, above-mentioned task solves in the following way: having longitudinal hold respectively on driving side and guiding side
Carrier extends between stand before and after being arranged in these pressure roller, longitudinal load-bearing frame be supported in these stands and
It is not connect with any lateral bearing frame.
The bearing of these pressure roller is only relatively easy in the relatively simple vertical stand of two configurations or in two configurations
Vertical stand at realize, however, wherein especially in the case where more than three pressure roller, it is also possible to there are others
Stand.
It is consolidated very much and compact here, stand is used to form in guiding side and driving side by the connection of lateral bearing frame
Configuration.
It, can be with by longitudinal load-bearing frame in the case where these stands are not through intrinsic lateral bearing frame and are connected to each other
Further increase the stability of respective stand structure.
In addition, the deflector roll for guiding band can be supported between two longitudinal load-bearing framves.
In order to form the smooth fibrous cloth width of single side, the pressure roller of the centre in three pressure roller are not wound usually by band.
In addition, if forming preposition press house along the first pressure roller of material web direction of travel and the 4th pressure roller in three pressure roller
Gap then can be further improved the dewatering of press section.
In order to improve the accessibility of squeezing system, at least one lateral bearing frame should be carried in guiding side and driving
The pavement stretched between side.
If the band end of band should be able to be connected by transverse joint, is relatively simply formed and take inserting in press section to
Enter.In this case, bearing structure need not have spacing holder, this has positive effect to structure and stability.
In this case, in order to form firm and compact structure, two stands are fixed with respective longitudinal load-bearing frame
Connection.
But if band is tiled with conitnuous forms, then them must be made to be pleated in advance before pulling in these bands.In order to realize
It pulls in, lateral bearing frame is used as cantilever carrier.In addition, there are the bearing structure at least one machine side multiple energy to remove
Spacing holder, these spacing holders are advantageously only located between the element of stand and between stand and longitudinal load-bearing frame.
If necessary to replace band, then the longitudinal load-bearing frame of corresponding machine side can be unclamped in the end of each self standing frame, and
And to realize for the free space needed for band is inserted between longitudinal load-bearing frame and stand.Here, even without transverse direction
Carrier also can obtain the firm of longitudinal load-bearing frame by the connection with bracket on the other end in longitudinal load-bearing frame
Position.
The risk of rack self-vibration is reduced by improving stability.This has front to the operation of paper machine and the quality of paper web
Effect.
Detailed description of the invention
Below with reference to two embodiments, the present invention will be described in detail.Wherein:
Fig. 1 and Fig. 2 shows the press sections with different racks being dehydrated for the fibrous cloth width 1 to paper web form
Schematic side elevation.
Specific embodiment
Screen cloth part for sheetmolding is preposition to be placed on press section in press section and for dry drying section.
There are four pressure roller 2,3,4,5 for press section tool, these pressure roller form a total of three in pairs respectively and squeeze gap, fine
Dimension material web 1 is directed through these squeezing gaps together with the band 6,7,8 of the continued circling of at least one water suction of press felt form respectively.
It is squeezing except gap, is deflecting band 6,7,8 by deflector roll 17.
The first band 7 stretched above fibrous cloth width 1 is responsible for the fibrous cloth width 1 of the forming net 20 from preposition former
And the fibrous cloth width is directed through between pressure roller 2,3 by the band of lower section 6 first squeezes gap.Hereafter, fiber material
1 together with the top in first squeezing of the winding of band 7 gap of top pressure roller 3 until the second press house between pressure roller 3,4
Gap.
However, what fibrous cloth width 1 individually wound the squeezing gap is not yet wound with the upper of band after the second squeezing gap
The pressure roller 4 of side squeeze gap until third, and then the band 8 of top attends by fibrous cloth width 1 and is directed through third squeezing gap.
In addition, fibrous cloth width 1 winds the pressure roller 4 of the lower section in third squeezing gap after third squeezes gap, until
Individually it is transferred to the dry net 21 of subsequent drying section.
In drying section, fibrous cloth width 1 is supported by dry net 21 respectively and is alternately directed through in tortuous form
The drying cylinder 22 of deflector roll and heating.
For supporting the rack of pressure roller 2,3,4,5 by distinguishing along the longitudinal direction on the driving side of paper machine and guiding side
The bearing structure of extension is formed.
It is pre and post perpendicular that the bearing structure respectively includes being arranged in pressure roller 2,3,4,5 along material web direction of travel 9
Straight stand 10,11.In order to firm, the first stand 10 along material web direction of travel 9 of two machine sides is being driven by two
The lateral bearing frame 13,14,15 stretched between side and guiding side connects, and next stand 11 is only by one in driving side
The lateral bearing frame 13,14,15 stretched between guiding side is connect.
For example, one in two lateral bearing framves 13,14 of the first stand 10 carries in guiding side and driving
The pavement 18 stretched between side, this can improve operator and maintenance personal to the accessibility of press section.
In two machine sides, the first stand 10 and last stand 11 along material web direction of travel 9 are respectively by the two
Between and the longitudinal load-bearing frame 16 that is stretched on the two be connected to each other.The longitudinal load-bearing frame 16 be supported on these stands 10,
It can increase the stability of rack on 11 and without lateral bearing frame 13,14,15.
In addition, some being supported on the longitudinal load-bearing frame 16 in the deflector roll 17 of the band 7,8 of two tops.
In addition, being respectively present other third stand 12 between the two stands 10,11, which carries third pressure
Squeeze the pressure roller 4 of the lower section for not winding band in gap.
In embodiment as shown in Figure 2, the bearing structure of the rack of each machine side is integrally implemented.Even if carrying knot
Structure is made of multiple components, particularly stand 10,11,12, longitudinal load-bearing frame 16 and lateral bearing frame 13,14,15 herein, these
Component be still rigidly connected to each other (such as by being spirally connected) at making relevant bearing structure has and the bearing structure is by unique
Component constitutes the same rigidity.
In Fig. 2, the band 6,7,8 of shown press section is all equipped with transverse joint.
This indicates that each band 6,7,8 can wind squeezing without any spacing holder in the rack of complete one
Relevant group of roller 2,3,4,5 and the composition of guide roll 17.Then, two ends spell merga pass seam and are connected to each other.
In contrast, in Fig. 1, rack is interrupted on guiding side by multiple spacing holders 19.
These spacing holders 19 between the first stand 10 and the component of last stand 11 and these stands 10,
Between 11 and longitudinal load-bearing frame 16.
In addition, lateral bearing frame 13,14,15 is used as cantilever carrier herein.
Cantilever carrier is fixed on driving side and after removing the spacing holder 19 on guiding side by pull rod
Framework for support, particularly a part of stand 10,11.
If removing the spacing holder 19 between longitudinal load-bearing frame 16 and stand 10,11, longitudinal load-bearing frame 16 passes through
It is connect with other stands 11,10 and keeps firmly fixing.
After removing spacing holder 19, thus corresponding continuous band 6,7,8 can be guided through on guiding side
The free space of formation and wind respective pressure roller 2,3,4,5.
It is equally important that the component of the rack in Fig. 1 and Fig. 2 is identical, to may be implemented using these components
Rack with and without spacing holder 19.
Claims (8)
1. press section, the press section is for being dehydrated paper web, board web or other fibrous cloth widths (1), the squeezing
Portion includes: at least two squeezing gaps formed between three pressure roller (3,4,5), and fibrous cloth width (1) is respectively together at least
The band (6,7,8) of one continued circling is directed through at least two squeezing gap；And for support the pressure roller (3,
4,5) rack, the rack is formed by the bearing structure extendd in the longitudinal direction respectively on driving side and guidance side, described
Bearing structure respectively includes before at least one is arranged in the pressure roller (3,4,5) along material web direction of travel (9) and along material web
Direction of travel is arranged in the stand (10,11) after the pressure roller, wherein the stand (10,11) passes through at least one respectively
A lateral bearing frame (13,14,15) stretched between driving side and guidance side connects, which is characterized in that in driving side and leads
Draw on side has longitudinal load-bearing frame (16) being arranged in the pressure roller (3,4,5) pre and post stand (10,11) respectively
Between extend, the longitudinal load-bearing frame be supported on the stand (10,11) and not with any lateral bearing frame (13,14,
15) it connects.
2. press section according to claim 1, which is characterized in that deflector roll (17) be supported on two longitudinal load-bearing framves (16) it
Between.
3. press section according to claim 1 or 2, which is characterized in that centre in three pressure roller (3,4,5)
Pressure roller are not wound by band.
4. press section according to any one of the preceding claims, which is characterized in that in three pressure roller (3,4,5)
Preposition squeezing gap is formed along the first pressure roller of material web direction of travel (9) and the 4th pressure roller (2).
5. press section according to any one of the preceding claims, which is characterized in that there is lateral bearing frame (13,14,15)
Carry the pavement (18) stretched between guiding side and driving side.
6. press section according to any one of the preceding claims, which is characterized in that two stands (10,11) with it is respective
Longitudinal load-bearing frame (16) is fixedly connected, and the band (6,7,8) can connected at least on a position by transverse joint, and
The bearing structure does not have the spacing holder (19) that can be removed.
7. press section according to any one of claim 1 to 5, which is characterized in that two of at least one machine side are vertical
Frame (10,11) is connect in a manner of it can unclamp with respective longitudinal load-bearing frame (16), and the lateral bearing frame (13,14,15) is used
Make cantilever carrier, and the bearing structure of the machine side in order to pull in continuous band (6,7,8) there are multiple energy to remove
Spacing holder (19).
8. press section according to claim 7, which is characterized in that the spacing holder (19) is only located at the stand
Between the element of (10,11) and between stand (10,11) and longitudinal load-bearing frame (16).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018106122.6A DE102018106122A1 (en) | 2018-03-16 | 2018-03-16 | press section |
| DE102018106122.6 | 2018-03-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110273317A true CN110273317A (en) | 2019-09-24 |
| CN110273317B CN110273317B (en) | 2023-02-17 |
Family
ID=64564599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910007956.7A Active CN110273317B (en) | 2018-03-16 | 2019-01-04 | Press section |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3540120B1 (en) |
| CN (1) | CN110273317B (en) |
| DE (1) | DE102018106122A1 (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608125A (en) * | 1984-11-29 | 1986-08-26 | Valmet Oy | Frame construction in a paper machine press section for facilitating replacement of press rolls and fabrics |
| EP1637648A1 (en) * | 2004-09-21 | 2006-03-22 | Voith Paper Patent GmbH | Press section of a machine for producing a paper or board web |
| CN1966854A (en) * | 2005-09-30 | 2007-05-23 | 美卓造纸机械公司 | Apparatus and method for damping or preventing partial vibration of paper machine |
| EP1870515A1 (en) * | 2006-06-21 | 2007-12-26 | Voith Patent GmbH | Machine frame |
| DE102006028417A1 (en) * | 2006-06-21 | 2007-12-27 | Voith Patent Gmbh | Machine frame of a press section for the dehydration of a paper-, cardboard-, tissue- or any other fibrous material web in machine for the manufacturing and/or conditioning of fibrous material, comprises press rolls and a dehydrating band |
| CN201390918Y (en) * | 2009-04-03 | 2010-01-27 | 潍坊凯信机械有限公司 | Clamp mesh shaper for pulp machine |
| CN101925702A (en) * | 2008-01-25 | 2010-12-22 | 沃依特专利有限责任公司 | Device for producing and/or processing fiber material web |
| CN205242168U (en) * | 2015-12-21 | 2016-05-18 | 汕头市龙湖区粤安纸业有限公司 | Paper machine wet end shifts and squeezes device |
| CN206581072U (en) * | 2016-03-22 | 2017-10-24 | 维美德技术有限公司 | Moving frame mechanism for the backing roll of the pressing device of fiber web machine |
| CN108699770A (en) * | 2016-01-29 | 2018-10-23 | 福伊特专利有限公司 | Squeezer for the machine for manufacturing fibrous cloth width |
-
2018
- 2018-03-16 DE DE102018106122.6A patent/DE102018106122A1/en active Pending
- 2018-11-30 EP EP18209366.6A patent/EP3540120B1/en active Active
-
2019
- 2019-01-04 CN CN201910007956.7A patent/CN110273317B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608125A (en) * | 1984-11-29 | 1986-08-26 | Valmet Oy | Frame construction in a paper machine press section for facilitating replacement of press rolls and fabrics |
| EP1637648A1 (en) * | 2004-09-21 | 2006-03-22 | Voith Paper Patent GmbH | Press section of a machine for producing a paper or board web |
| CN1966854A (en) * | 2005-09-30 | 2007-05-23 | 美卓造纸机械公司 | Apparatus and method for damping or preventing partial vibration of paper machine |
| EP1870515A1 (en) * | 2006-06-21 | 2007-12-26 | Voith Patent GmbH | Machine frame |
| DE102006028417A1 (en) * | 2006-06-21 | 2007-12-27 | Voith Patent Gmbh | Machine frame of a press section for the dehydration of a paper-, cardboard-, tissue- or any other fibrous material web in machine for the manufacturing and/or conditioning of fibrous material, comprises press rolls and a dehydrating band |
| CN101925702A (en) * | 2008-01-25 | 2010-12-22 | 沃依特专利有限责任公司 | Device for producing and/or processing fiber material web |
| CN201390918Y (en) * | 2009-04-03 | 2010-01-27 | 潍坊凯信机械有限公司 | Clamp mesh shaper for pulp machine |
| CN205242168U (en) * | 2015-12-21 | 2016-05-18 | 汕头市龙湖区粤安纸业有限公司 | Paper machine wet end shifts and squeezes device |
| CN108699770A (en) * | 2016-01-29 | 2018-10-23 | 福伊特专利有限公司 | Squeezer for the machine for manufacturing fibrous cloth width |
| CN206581072U (en) * | 2016-03-22 | 2017-10-24 | 维美德技术有限公司 | Moving frame mechanism for the backing roll of the pressing device of fiber web machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3540120B1 (en) | 2020-10-28 |
| CN110273317B (en) | 2023-02-17 |
| EP3540120A1 (en) | 2019-09-18 |
| DE102018106122A1 (en) | 2019-09-19 |
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