CN102666979A - Device for producing a material web - Google Patents
Device for producing a material web Download PDFInfo
- Publication number
- CN102666979A CN102666979A CN2010800500040A CN201080050004A CN102666979A CN 102666979 A CN102666979 A CN 102666979A CN 2010800500040 A CN2010800500040 A CN 2010800500040A CN 201080050004 A CN201080050004 A CN 201080050004A CN 102666979 A CN102666979 A CN 102666979A
- Authority
- CN
- China
- Prior art keywords
- dry group
- drying equipment
- zone
- hood
- drying
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 92
- 230000007306 turnover Effects 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 206010038743 Restlessness Diseases 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
-
- 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
- D21F7/04—Paper-break control devices
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G5/00—Safety devices
Landscapes
- Paper (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a drying device (1) for a machine for producing a material web (18), in particular a paper, cardboard or tissue web. The drying device (1) comprises at least one first and at least one further subsequent drying group (17, 16) each made up of at least one drying assembly (19), and at least one cover (4) enclosing the drying group (17, 16). At least one drying assembly (19) of the further drying group is disposed higher than the drying assembly (19) of the first drying group (16). The cover (4) comprises a guide side wall, a drive side wall, and a cover roof. The drying device (1) according to the invention is characterized in that the cover (4) comprises at least one area (10, 11, 13, 14) that can be opened rapidly at least in the area of the further drying group (17), in the cover roof (6) and/or in the guide side wall and/or in the drive side wall. Said area than can be opened rapidly allows a rapid escape of hot air from the interior of the cover in case of an interruption in production.
Description
Technical field
The present invention relates to a kind of manufactured materials breadth that is used for; Especially the drying equipment of the machine of paper web face, paper/paper sheet breadth or tissue paper breadth; Said drying equipment comprises at least one first dry group and at least one another dry group in said first dry group back, and each is made up of said dry group at least one drying device; Comprise that also at least one surrounds the hood of said dry group, wherein, at least one drying device of said another dry group is arranged to such an extent that be higher than the drying device of first dry group, and hood comprises the wall of operator's side, the wall and the cover top of driving side.
Background technology
These drying equipments are known.International publication text WO2009/092485 discloses a kind of drying equipment by type of the present invention.In this drying equipment; For example there is this problem; If control work and maintenance work are carried out in the hood inside at drying equipment when paper machine moves, then to operating personnel exist than be arranged at drying device the operator plane the zone in drying equipment in obviously more disadvantageous condition.Therefore, in the zone of the drying device of the layout De Genggao of another dry group obvious temperature and humidity level higher, that mean the bigger load of operating personnel appears.This also takes place under the situation of paper web face fracture, must remove remaining paper web face fast in this case.
Summary of the invention
Technical problem to be solved by this invention is, obtains well a kind of and accessibility and when maintenance work begins and when the outage of not expecting, improving apace in the inner condition of work of the hood of drying equipment fast.
This technical problem solves through the characteristic of claim 1.By the present invention; Hood at least in the zone of another dry group at least in the cover top and/or in the wall of the wall of operator's side and/or driving side, have at least one and open the zone fast, this at least one open fast under situation that the zone breaks hot-air aborning and can from the hood inner space, leak out apace.
At least one drying device arranged the zone of De Genggao and being made condition of work after the short time, meet tolerable degree near another dry group apace when making the staff be in operation disconnected or maintenance work thus.In addition, advantageously eliminate the for example failure cause and the therefore shortening production interruption of paper machine fast.Another dry group is right after after first dry group with preferred mode.Also can cool off fast through the support realization hood inner space of aeration technology.Under the situation of fracture, the cover exhaust outlet is opened fully and covers air inlet and at least partly replenished by cold fresh air.
In a kind of practicality design, open zone design fast and become movable turnover panel opening.Through movable turnover panel, open cross-section is open in the short period of time.At this advantageously, movable turnover panel is arranged to, and makes it upwards open and therefore upwards open open cross-section.The shaft axis of movable turnover panel can be arranged in the central authorities or the edge of movable turnover panel.
In another kind of design, a plurality of movable turnover panels also can be arranged on venetian blind type ground.
Open regional preferred arrangements fast in the top 1/3rd of hood height.Thereby guaranteed the quick drain of damp-heat air.
Open fast on the height that the zone is positioned at the higher drying device in position aptly or above this height.
In the design of another kind of practicality, it is distolateral that hood has cover.As substituting or replenishing, open fast the zone can be arranged in this cover distolateral in.Cover and distolaterally especially in being tilted to last dry group that extends below, be designed to baffle plate, this baffle plate prevents that follow-up unit from suffering to fly the remaining paper of scurrying everywhere.
In a kind of preferred design, open zone design fast and become rolling door, especially the lighter rolling door of weight.The advantage of rolling door is that it can seal with respect to hood well.
In addition, feasible is that quick unlatching zone is the whole hood height of extend past from the operator plane.Also feasible is, a plurality of quick unlatchings zone is set, and wherein, a part is extended on the whole height of hood, and a part only be arranged in top 1/3rd in.Can guarantee thus to take a breath fast.
In another kind of design, maximum extends to the height of the drying device that is positioned at highest point from the operator plane to open fast the zone.This is favourable for the maintenance dry group.Therefore, doctor blade for example can be easier to pull up and change at short notice.
Also feasiblely at this be, open fast the zone above arrange another and open the zone fast.This design allows to realize ventilation fast through the stack effect that exists.
Ventilation can be through the built-in fitting of aeration technology, and for example ventilation blower and air inlet and outlet passageway are auxiliary.Inlet channel for example can be arranged in the lower zone of hood, and outlet passageway is arranged in the upper area so that help quick ventilation.
In a kind of favourable embodiment of practicality, open zone design fast and become, make that it can be less than 10 seconds, especially 5 seconds and advantageously within 3 seconds, open fully.
By in the another kind of design of drying equipment of the present invention, open the zone fast and be furnished with the driver that is connected with fracture automatic identification equipment or the effect of fault automaton.At this, failure condition for example passes to adjuster or control module by sensor identification and this information, and this adjuster or control module activate actuator or the driver of opening the zone fast.Thus, personnel can be apace near the hood of another dry group.
At least one drying device of at least one drying device, especially another dry group is preferably designed to drying cylinder and/or impinging air flash dryer.
Dry group preferably is made up of a plurality of drying devices, and wherein, they are designed to drying cylinder and/or impinging air flash dryer.
At least in the zone of another dry group, be provided with walking on stage aptly according to the drying device layout in operator's side.Feasible thus is, can also control drying device and the servicing unit of arranging De Genggao, for example scraper and implement maintenance work or fix a breakdown.In addition, the running route of the visible paper web face of personnel.
By another kind of form of implementation, another dry group forms last dry group of drying equipment and wherein, its drying device is arranged in the top of operation planar.At this, last drying device is arranged with rising or descend.This layout is especially favourable to control or the curling and easy crimpiness that influence paper.
The drying device of another dry group advantageously acutely heats and has and is equal to or greater than 100 ° of C, preferably is equal to or greater than 120 ° of C, especially is equal to or greater than 140 ° of C baking temperatures, that is surface temperature or air themperature.Thus, can reduce or even avoid the easy crimpiness of paper.
In the favourable form of implementation of another kind of the present invention; This layout is chosen as; At least in another dry group of drying equipment, the upside of paper web face directly contacts with at least one drying device, wherein; In at least one previous dry group of drying equipment, the downside of paper web face contacts with at least one drying device.Some dry devices are designed to the impinging air flash dryer, then " directly contact " to mean that with hot fluid for example air flows directly on the paper web face.
In a kind of alternative form of implementation, the drying device of another dry group can be arranged in the plane of three substantially parallel extensions.
Stipulate that in another kind of design of the present invention the hood of another dry group has the height bigger than the hood of first dry group.
In a kind of form of implementation of practicality, window and door are set in hood.
Aptly, open the zone fast and also can be of value to replacing screen cloth and/or scraper.For this purpose, can also design additional door and opening.
Description of drawings
Other characteristics of the present invention and advantage obtain by the explanation of following preferred embodiment and with reference to accompanying drawing.In the accompanying drawing:
Fig. 1 is a kind of form of implementation by the hood of drying equipment of the present invention of paper machine,
Fig. 2 is a kind of form of implementation by drying equipment of the present invention of the paper machine opened of hood door.
The specific embodiment
Fig. 1 illustrates a kind of form of implementation by the hood 4,5 of drying equipment 1 of the present invention.Hood 4 surrounds last dry group by drying equipment 1 of the present invention at this, and hood 5 surrounds the penult dry group of pressing drying equipment 1 of the present invention.Other are equipped with the hood 4 of higher drying device to have the height higher than the hood of first dry group 5.Hood 4 preferably has hood door 10,11 in operator's side, and this hood door 10,11 does not extend on the whole height of hood 4.Window 8 and door 9 are set in hood door 10,11.This makes from the operator plane the 2 outside visual examinations carried out realize on the one hand, makes on the other hand to the inspection purpose can under the situation of not disturbing production run, realize the entering in the lower area of dry group.In order to open hood 4 and therefore ventilation apace fast, in the top of hood door 10,11 and top 1/3rd, movable turnover panel opening 14 is set at the hood height.Likewise; Cover distolateral 7 and have one or more movable turnover panels 12 that are arranged side by side, its shaft axis is arranged in down the edge in movable turnover panel zone, so that open cross-section is positioned at top and can be in the short period of time; That is, less than opening in 5 seconds and therefore air promptly being flowed out.Therefore operating personnel can come into the hood inner space apace, arrange the zone of the drying device of De Genggao especially in addition.Cover distolateral 7 be designed for the remaining paper that four times unrest fly under the situation of web break baffle plate.In cover top 6, a plurality of movable turnover panels 13 are set, these movable turnover panels 13 arrange on blind shaped ground in this embodiment, like its exemplary ground along shown in last movable turnover panel of paper machine traffic direction 3.Therefore, when with the very little situation of the distance of roof under must be open during big cross section, this embodiment is especially favourable.
Fig. 2 illustrates and has in the zone of another dry group 17 and the layout shown in Figure 1 of the hood door of opening in the subregion of first dry group 16 10,11.First dry group 16 is in this extends to the zone of hood 5.Paper web face 18 is alternately guided through drying cylinder 20 and drawing-in type deflector roll 21 on dried net 22.At this, in dry group 16, only the downside of paper web face directly contacts with the surface of drying cylinder 20.In the zone that group and group are separated, paper web face 18 is transferred on the dried net 23 of another dry group 17.Shift and to carry out like this, make the upside of present paper web face 18 directly contact with the surface of the drying cylinder 20 of another dry group 17.The surface temperature of the drying cylinder 20 of dry group 17 is more than or equal to 120 ° of C.Thus, can reduce or even eliminate the easy crimpiness that the paper web face causes owing to the one-sided oven dry in the dry group formerly.In this embodiment of drying equipment 1, the hood door does not extend on whole hood height, but on the drying device of arranging the most highly, be designed to drying cylinder 20, extends.Maintenance work is implemented in this permission fast and simply, for example changes screen cloth or doctor blade.The movable turnover panel 12,13,14 of quick unlatching is set above the drying device of arranging the most highly.At least in the zone of operator's side at the higher drying cylinder 20 of the layout of dry group 16,17 of paper machine, be provided with and walk on stage 15.This is walked on stage and 15 roughly arranges according to running route of paper web face 18 at this, so that can get rid of the fault that when fracture, occurs fast.Another dry group 17 forms last dry group 17.Paper web face 18 is through covering the next unit that distolateral 7 interior slits are directed to paper machine, for example coating apparatus, calendering or winding apparatus.
Reference numerals list
1 drying equipment
2 operator planes
3 traffic directions
4 hoods
5 hoods
6 cover tops
7 covers are distolateral
8 windows
9
10 hood doors
11 hood doors
12 movable turnover panel openings
13 movable turnover panel openings
14 movable turnover panel openings
15 walk on stage
16 penult dry group
17 last dry group
18 paper web faces
20 drying cylinders, drying device
21 drawing-in type deflector rolls
22 dried nets
23 dried nets
Claims (15)
1. one kind is used for manufactured materials breadth (18); Especially the drying equipment (1) of the machine of paper web face, paper/paper sheet breadth or tissue paper breadth; Said drying equipment comprises at least one first dry group (16) and at least one another dry group (17) in said first dry group (16) back, and each is made up of said dry group at least one drying device (19); Comprise that also at least one surrounds the hood of said dry group (17,16) (4), wherein; At least one drying device (19) of said another dry group is arranged highlyer than the said drying device (19) of said first dry group (16), and said hood (4) comprises the wall of operator's side, the wall and the cover top (6) of driving side; It is characterized in that said hood (4) pushes up in (6) and/or has at least one in the wall of operator's side and/or in the wall at driving side at least opens zone (10,11 fast in the zone of said another dry group (17) and at said cover; 13; 14), said at least one unlatching regional (10,11 fast; 13,14) make under the disconnected aborning situation of hot-air and can from said hood inner space, leak out apace.
2. by the described drying equipment of claim 1 (1), it is characterized in that said quick unlatching zone (10,11,13,14) is designed to movable turnover panel opening.
3. by claim 1 or 2 described drying equipments (1), it is characterized in that said quick unlatching zone (13,14) is arranged in the top 1/3rd of hood height.
4. by one of aforementioned claim described drying equipment (1), it is characterized in that said hood (4) comprises that cover distolateral (7) and said quick unlatching zone (12) are arranged in the said cover distolateral (7).
5. by one of aforementioned claim described drying equipment (1), it is characterized in that said quick unlatching zone (10,11) is designed to rolling door.
6. by one of aforementioned claim described drying equipment (1), it is characterized in that said quick unlatching zone (10,11) is extended from said operator plane (2) at said whole hood height.
7. by one of aforementioned claim described drying equipment (1), it is characterized in that maximum extends to the height of the highest said drying device (19) in position from said operator plane (2) in said quick unlatching zone (10,11).
8. by the described drying equipment of claim 7 (1), it is characterized in that, be provided with another in top, said quick unlatching zone (10,11) and open zone (13,14) fast.
9. by one of aforementioned claim described drying equipment (1), it is characterized in that said quick unlatching zone design becomes, and makes it especially in less than 5 seconds, to open less than 10 seconds.
10. by one of aforementioned claim described drying equipment (1), it is characterized in that said quick unlatching zone (10,11,12,13,14) is furnished with driver, this driver is connected with the effect of fracture automatic identification equipment.
11., it is characterized in that said at least one drying device (19) is designed to drying cylinder or impinging air flash dryer by the described drying equipment of claim 1 (1).
12., it is characterized in that dry group is made up of a plurality of drying devices (19) and this dry group is designed to drying cylinder and/or impinging air flash dryer by the described drying equipment of claim 1 (1).
13., it is characterized in that regional inherent operator's side of said at least another dry group (17) is provided with walking on stage according to the layout of said drying device (19) by one of aforementioned claim described drying equipment (1).
14. by one of aforementioned claim described drying equipment (1); It is characterized in that; Said another dry group (17) forms last dry group (17) of said drying equipment (1); And its drying device (19) is arranged in top, operator plane (2), and wherein, said last drying device (19) is arranged with rising or descend.
15. by one of aforementioned claim described drying equipment (1); It is characterized in that; The said drying device (19) of said another dry group (17) has more than or equal to 100 ° of C, is preferably greater than or equals 120 ° of C, especially more than or equal to the baking temperature of 140 ° of C.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200910046425 DE102009046425A1 (en) | 2009-11-05 | 2009-11-05 | Device for producing a material web |
| DE102009046425.5 | 2009-11-05 | ||
| PCT/EP2010/066470 WO2011054751A1 (en) | 2009-11-05 | 2010-10-29 | Device for producing a material web |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102666979A true CN102666979A (en) | 2012-09-12 |
Family
ID=43531228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800500040A Pending CN102666979A (en) | 2009-11-05 | 2010-10-29 | Device for producing a material web |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2496761A1 (en) |
| CN (1) | CN102666979A (en) |
| DE (1) | DE102009046425A1 (en) |
| WO (1) | WO2011054751A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118553A (en) * | 2017-11-08 | 2018-06-05 | 维美德(中国)有限公司 | Paper machine pressure roller protective device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3362079A (en) * | 1964-04-22 | 1968-01-09 | Fur Patentdienst Anstalt | Drier and process of drying |
| US3598039A (en) * | 1968-10-04 | 1971-08-10 | Midland Ross Corp | Movable paper machine hood |
| WO1996034145A1 (en) * | 1995-04-27 | 1996-10-31 | Valmet Corporation | Hood for a wire part and for a press section |
| CN101466892A (en) * | 2006-06-12 | 2009-06-24 | 美卓造纸机械公司 | Hood for web forming, press and/or dryer section |
| DE102008000133A1 (en) * | 2008-01-23 | 2009-07-30 | Voith Patent Gmbh | drying section |
-
2009
- 2009-11-05 DE DE200910046425 patent/DE102009046425A1/en not_active Withdrawn
-
2010
- 2010-10-29 EP EP10778612A patent/EP2496761A1/en not_active Withdrawn
- 2010-10-29 WO PCT/EP2010/066470 patent/WO2011054751A1/en not_active Ceased
- 2010-10-29 CN CN2010800500040A patent/CN102666979A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3362079A (en) * | 1964-04-22 | 1968-01-09 | Fur Patentdienst Anstalt | Drier and process of drying |
| US3598039A (en) * | 1968-10-04 | 1971-08-10 | Midland Ross Corp | Movable paper machine hood |
| WO1996034145A1 (en) * | 1995-04-27 | 1996-10-31 | Valmet Corporation | Hood for a wire part and for a press section |
| CN101466892A (en) * | 2006-06-12 | 2009-06-24 | 美卓造纸机械公司 | Hood for web forming, press and/or dryer section |
| DE102008000133A1 (en) * | 2008-01-23 | 2009-07-30 | Voith Patent Gmbh | drying section |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118553A (en) * | 2017-11-08 | 2018-06-05 | 维美德(中国)有限公司 | Paper machine pressure roller protective device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011054751A1 (en) | 2011-05-12 |
| EP2496761A1 (en) | 2012-09-12 |
| DE102009046425A1 (en) | 2011-05-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120912 |