CN203307674U - Equipment for coating mobile web of fiber - Google Patents
Equipment for coating mobile web of fiber Download PDFInfo
- Publication number
- CN203307674U CN203307674U CN2013203396209U CN201320339620U CN203307674U CN 203307674 U CN203307674 U CN 203307674U CN 2013203396209 U CN2013203396209 U CN 2013203396209U CN 201320339620 U CN201320339620 U CN 201320339620U CN 203307674 U CN203307674 U CN 203307674U
- Authority
- CN
- China
- Prior art keywords
- fiber
- coating
- web
- coating device
- scraper
- 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.)
- Expired - Lifetime
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
- D21H23/34—Knife or blade type coaters
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/46—Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper
- D21H23/48—Curtain coaters
Landscapes
- Paper (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
The utility model relates to equipment (1) for coating a mobile web (W) of fiber. The equipment at least comprises two coating devices (2, 3). One coating device (2) of the coating devices is a knife coating device (2a), while the other one (3) of the coating devices is a curtain coating device (3a). A shared drying device (4) is connected to downstream of the knife coating device (2a) and the curtain coating device (3a) along the heading direction of the mobile web (W) of fiber. The utility model provides an agile and economic solution.
Description
Technical field
The utility model relates to a kind of be used to applying the equipment of mobile web of fiber.
Background technology
This equipment and corresponding method can be known from DE 10 2,009 008 589 A1.At this, paper web is produced in the online production process in paper machine, by coating unit, applies one deck on the first surface of paper web, and paper web is coated in the mode that applies the second layer on ground floor in another coating unit subsequently.Paper web is advanced simultaneously by film-spreading device and scraper for coating device in applying the process of ground floor.
DE 11 2,008 002 205 T5 have described a kind of method with two-layer at least processing material coated fiber width, and wherein the second layer is applied on the ground floor of at least part of humidity.
In DE 10 2,006 044 822 A1, describe another kind of method for the coated fiber width, wherein realized the online coating of web of fiber.
Well known fact is that different painting methods can produce different coated structures on coated web of fiber.For example, by the coating of so-called scraper for coating device operation, cause final products very smooth, even, because all unevennesses of web of fiber all have been filled.And this coating itself can be relatively uneven.The coating that mutually anticaustic curtain coating device produces is relatively flat, and but, the smoothness of its coating depends on the character of web of fiber to a great extent.
Basically, can apply dissimilar web of fiber, for example, can apply so-called heat-sensitive paper on the one hand, can apply so-called printing on the other hand, although these two has the base material that does not contain wood pulp, yet its coating should be able to meet diverse purpose, and therefore has diverse structure.Printing for example prints with offset printing or intaglio printing, and coated paper must have very high smoothness for this reason.On the contrary, heat-sensitive paper prints by the mode of thermal printing, and hot coating should have flatness as far as possible uniformly for this reason.Therefore, printing is used the scraper for coating device mostly, and heat-sensitive paper is used the curtain coating device mostly.
Adopt known scheme not come application to printed paper using and heat-sensitive paper with same coating unit, so, if the paper mill wish manufacture heat-sensitive paper and printing the two, just two independently coating equipments must be installed.This causes relatively high cost of investment, also causes in addition large floor space.
The utility model content
Therefore, the purpose of this utility model is to realize a kind of equipment and mode be used to applying mobile web of fiber, and it can provide flexible, economic solution.
According to the utility model, propose a kind of be used to applying the equipment of mobile web of fiber, have at least two coating units, a coating unit in described coating unit is the scraper for coating device, and another coating unit in described coating unit is the curtain coating device, and a shared drying device is connected in the downstream of described scraper for coating device and described curtain coating device along the direct of travel of described web of fiber.
Preferably, described scraper for coating device, described curtain coating device and described drying device are integrated in a machine for the production of web of fiber.
Preferably, described scraper for coating device, described curtain coating device and described drying device are set to be independent of the machine for the production of web of fiber.
Preferably, described drying device has the dry element of at least one air.
Preferably, described drying device has at least one infrared drying element.
Preferably, described web of fiber is guided through described scraper for coating device and described curtain coating device, and then is guided through described drying device.
Preferably, described web of fiber is guided through described scraper for coating device or is guided through described curtain coating device, and coated in the coating unit be guided through, and from another coating unit of bypass process.
Preferably, described curtain coating device is disposed in the top of described scraper for coating device.
Preferably, before described curtain coating device is disposed in described scraper for coating device along the direct of travel of described web of fiber.
By the proposal with scraper for coating device and curtain coating device of the present utility model, one drying device shared is connected in the downstream of scraper for coating device and curtain coating device along the direct of travel of web of fiber, adopt same device can apply different web of fibers, make device of the present utility model to move very flexibly.Especially, this scraper for coating device can be used to the application to printed paper using, and this curtain coating device can be used to apply heat-sensitive paper.
Here the drying device that should share proposed is enough to drying by means of the coating that each coating unit applies, and therefore, compares with existing solution, can save a drying device.Thereby not only brought the advantage of economic aspect, but also can save large quantity space.
In order to implement the online coating of web of fiber, in a very favorable expansion scheme of the present utility model, can be set to, make scraper for coating device, curtain coating device and drying device be integrated in a machine for the production of web of fiber.
The machine that perhaps, scraper for coating device, curtain coating device and drying device are independent of for the production of web of fiber is set up.Thus, web of fiber can be coated under the state rolled off the production line, and that is to say that can be independent of its grown place coated.
If drying device has the dry element of at least one air, can realize the very effective drying of coated web of fiber.
Alternatively or additionally, also can be set to, make drying device have at least one infrared drying element.By the steam drying element, also can realize the reliable drying of coated web of fiber.
Of the present utility model for applying the method for mobile web of fiber, web of fiber passes a coating unit, and wherein coating material is distributed on web of fiber from this coating unit, web of fiber is coated in scraper for coating device or curtain coating device, and is dried in the drying device after being connected in scraper for coating device and curtain coating device.
Adopt the method for the present utility model can be very neatly and especially for dissimilar web of fiber, thereby can in same equipment, produce the most different web of fiber qualities.
In the expansion scheme that can simply be implemented of the method, propose, web of fiber not only is guided through the scraper for coating device but also is conducted through the curtain coating device, and then in drying device, is dried.At this, web of fiber is only coated in two one of them coating units of coating unit, and advances by another coating unit and not coated there.
Alternatively, web of fiber or be guided through the scraper for coating device or be guided through the curtain coating device, and coated in this coating unit, and another coating unit is walked around in bypass.By this bypass, can shorten the predetermined path in equipment, it can be cost-saving in case of necessity.
The particularly advantageous form of implementation of method of the present utility model can be that printing is coated in the scraper for coating device.Owing to by scraper for coating, can realizing the very high smoothness on web of fiber surface, so scraper for coating is suitable for the application to printed paper using particularly well.
Can be designed in addition, heat-sensitive paper is coated in the curtain coating device.Owing to by curtain coating, can realizing very smooth surface, so this method is suitable for applying heat-sensitive paper particularly well.
Below, embodiment of the present utility model is described with reference to the accompanying drawings on principle.
The accompanying drawing explanation
Fig. 1 shows first embodiment of the utility model for the equipment of coated fiber width; And
Fig. 2 shows second embodiment of the utility model for the equipment of coated fiber width.
The specific embodiment
Fig. 1 shows the equipment 1 for coated fiber width W, especially paper web or board web.At equipment 1, be connected in the downstream of unshowned machine for the manufacture of web of fiber W, or be integrated in for the manufacture of under the situation in the machine of web of fiber W, equipment 1 is attached to the drying section of unshowned web of fiber maker.The direction of advancing by equipment 1 of web of fiber W is identified by two arrows " A ".
Web of fiber W is directed to through a plurality of slewing rollers that are not shown specifically the first coating unit 2 that is designed to scraper for coating device 2a under present case.Because the arranging of slewing rollers of web of fiber W can be implemented in known manner, so here be not described in detail.
Except scraper for coating device 2a, equipment 1 also is included under present case the second coating unit 3 that is designed to curtain coating device 3a.
Because scraper for coating device 2a and curtain coating device 3a can be known configurations, and can have known binding mode, so these two kinds of coating units 2 and 3 are not done to very detailed explanation in this article.
Along the direct of travel A of web of fiber W, after drying device 4 was arranged on curtain coating device 3a and scraper for coating device 2a, wherein, web of fiber W or the coating put on this web of fiber were dried in this drying device.Drying device 4 has the dry element 4a of a plurality of air under present case, the dry element of described air is along the stroke setting of web of fiber W, or web of fiber W is by the dry element of the described air of the directed process of suitable slewing rollers.The dry element 4a of air can be in known manner with gas or use steam operation.In addition, drying device 4 can also comprise unshowned infrared drying element.Moreover, also can consider in principle the dry element 4a of air and infrared drying element are combined.In addition, although under present case, show the dry element 4a of a plurality of air, the dry element of an air or an infrared drying element also can only be set, if this element has suitable size or capacity.
On the direct of travel A of web of fiber W, after drying section 5 was arranged at drying device 4, this drying section 5 comprised a plurality of dryer rolls and around the material of a plurality of rollers.Because drying section 5 can be implemented in known mode itself, so here will not be described in detail.
Just as mentioned above, under present case, equipment 1(that is, scraper for coating device 2a, curtain coating device 3a and drying device 4) integrated (integrated) in the machine for the production of web of fiber W, can implement subsequently thus the coating of online in greater detail web of fiber W.Perhaps, can also make to have the machine that the equipment 1 of scraper for coating device 2a, curtain coating device 3a and drying device 4 for example is independent of, for the production of web of fiber (paper web) W and be set up, in order to implement so-called coated off-line.
In the embodiment shown in fig. 1, web of fiber W or be guided through scraper for coating device 2a or be guided through curtain coating device 3a, and always from bypass through another coating unit 3 or 2.In Fig. 1, show simultaneously this two kinds of situations, that is to say at same width shown in the drawings of both of these case, that is Fig. 1 shows web of fiber W and how to advance by scraper for coating device 2a and how to advance by curtain coating device 3a.
An embodiment of equipment 1 has been shown in Fig. 2, wherein web of fiber W be guided through coating unit 2 and 3 the two, that is not only be guided through scraper for coating device 2a, but also be guided through curtain coating device 3a, although as mentioned above, web of fiber only is set up coating in a coating unit 2 or 3 in these two coating units.
Equipment in use 1 implement for applying mode or the method for mobile web of fiber W, web of fiber passes at least one coating unit 2 or 3 in these two coating units, and unshowned coating material is distributed on web of fiber W from corresponding coating unit 2 or 3.Although under present case, scraper for coating device 2a and curtain coating device 3a are present in equipment 1, but web of fiber W is only coated in one of them coating unit 2 or 3 in two coating units, that is, or only in scraper for coating device 2a or only coated in curtain coating device 3a.This is always applicable and do not rely on whether web of fiber W only is conducted through coating unit 2 or 3 as shown in Figure 1, or is conducted through as shown in Figure 2 two coating units 2 and 3.
Therefore, for instance, relate in the situation of printing at web of fiber W, use scraper for coating device 2a, thereby realize the very smooth and uniform surface of printing.On the contrary, if web of fiber W is coated in curtain coating device 3a, because this mode can obtain very smooth product, so preferred heat-sensitive paper is as web of fiber.
On web of fiber W, apply in the situation of coating, the two sides that coating material only is applied to the one side of web of fiber W or is applied to web of fiber W is inessential.
After coated fiber width W, the coating be applied on web of fiber W is dried in drying device 4 in scraper for coating device 2a or curtain coating device 3a.Therefore, drying device 4 is also as the drying device shared of two coating units 2 and 3, the coating applied by the coating unit 2 or 3 respectively come into operation in order to drying.Drying section 5 also is implemented or is arranged to the drying device shared as two coating units 2 and 3.
Shown in two embodiment in, curtain coating device 3a is disposed in the top of scraper for coating device 2a, thus, can be reduced for the length of the equipment 1 of coated fiber width W.Yet alternatively, curtain coating device 3a also can arrange in one plane with scraper for coating device 2a.In addition, what it is contemplated that is, before curtain coating device 3a is disposed in scraper for coating device 2a along the direct of travel of web of fiber W.
Claims (9)
1. one kind be used to applying the equipment of mobile web of fiber, has at least two coating units,
It is characterized in that:
A coating unit (2) in described coating unit is scraper for coating device (2a), and another coating unit (3) in described coating unit is curtain coating device (3a), and a shared drying device (4) is connected in the downstream of described scraper for coating device (2a) and described curtain coating device (3a) along the direct of travel of described web of fiber (W).
2. equipment according to claim 1, is characterized in that, described scraper for coating device (2a), described curtain coating device (3a) and described drying device (4) are integrated in a machine for the production of web of fiber (W).
3. equipment according to claim 1, is characterized in that, described scraper for coating device (2a), described curtain coating device (3a) and described drying device (4) are set to be independent of the machine for the production of web of fiber (W).
4. equipment according to claim 1, is characterized in that, described drying device (4) has the dry element (4a) of at least one air.
5. equipment according to claim 1, is characterized in that, described drying device (4) has at least one infrared drying element.
6. according to the described equipment of any one in claim 1-5, it is characterized in that, described web of fiber (W) is guided through described scraper for coating device (2a) and described curtain coating device (3a), and then is guided through described drying device (4).
7. according to the described equipment of any one in claim 1-5, it is characterized in that, described web of fiber (W) is guided through described scraper for coating device (2a) or is guided through described curtain coating device (3a), and the coating unit (2 be guided through, 3) coated in, and from bypass process another coating unit (2,3).
8. according to the described equipment of any one in claim 1-5, it is characterized in that, described curtain coating device (3a) is disposed in the top of described scraper for coating device (2a).
9. according to the described equipment of any one in claim 1-5, it is characterized in that, described curtain coating device (3a) is disposed in described scraper for coating device (2a) before along the direct of travel of described web of fiber (W).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012210141.1 | 2012-06-15 | ||
| DE201210210141 DE102012210141A1 (en) | 2012-06-15 | 2012-06-15 | Device useful for coating a moving fibrous web comprises two coating devices comprising first coating device which is blade coating device and second coating device which is curtain coating device downstream in the direction of fibrous web |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203307674U true CN203307674U (en) | 2013-11-27 |
Family
ID=49613892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203396209U Expired - Lifetime CN203307674U (en) | 2012-06-15 | 2013-06-14 | Equipment for coating mobile web of fiber |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN203307674U (en) |
| AT (1) | AT14123U1 (en) |
| DE (1) | DE102012210141A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10343120A1 (en) * | 2003-09-17 | 2005-04-21 | Voith Paper Patent Gmbh | Method for coating a material web |
| DE102006044822A1 (en) | 2006-09-20 | 2008-04-03 | Voith Patent Gmbh | Process for producing a coated paper, cardboard or other fibrous web |
| DE102007009702A1 (en) * | 2007-02-28 | 2008-09-04 | Voith Patent Gmbh | Process for the production of a coated fibrous web, in particular of paper or cardboard |
| FI121391B (en) | 2007-09-27 | 2010-10-29 | Metso Paper Inc | Method and arrangement for coating a web of fibrous material with at least two layers of processing agent |
| FI121479B (en) | 2008-02-29 | 2010-11-30 | Metso Paper Inc | Method and apparatus for making paper coated with multiple coating layers |
-
2012
- 2012-06-15 DE DE201210210141 patent/DE102012210141A1/en active Pending
-
2013
- 2013-04-05 AT ATGM115/2013U patent/AT14123U1/en not_active IP Right Cessation
- 2013-06-14 CN CN2013203396209U patent/CN203307674U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012210141A1 (en) | 2013-12-19 |
| AT14123U1 (en) | 2015-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |