CN202755251U - Drying cylinder device - Google Patents
Drying cylinder device Download PDFInfo
- Publication number
- CN202755251U CN202755251U CN 201220414244 CN201220414244U CN202755251U CN 202755251 U CN202755251 U CN 202755251U CN 201220414244 CN201220414244 CN 201220414244 CN 201220414244 U CN201220414244 U CN 201220414244U CN 202755251 U CN202755251 U CN 202755251U
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- China
- Prior art keywords
- coating
- drying cylinder
- wet web
- zone
- nozzle
- 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.)
- Withdrawn - After Issue
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Abstract
A drying cylinder device comprises a drying cylinder and a cooling device for cooling the drying cylinder. The drying cylinder is used for drying wet paper webs. A coating is formed on the outer surface of the drying cylinder and capable of enabling the wet paper webs to be dried on the coating surface. Width of the coating is larger than that of the wet paper webs to be dried. The cooling device is used to narrow temperature difference between a coating area which can not be covered by the wet paper webs and a coating area which can be covered by the wet paper webs. The drying cylinder device is capable of effectively solving the problem that temperature of a 'yellow edge' area on the drying cylinder surface is higher and making the temperature of the whole drying cylinder surface more even.
Description
Technical field
The utility model relates to the consistent dryer device of a kind of surface temperature of drier that the dry wet paper web is used.
Background technology
In paper-making process, wet web needs to transfer to dryer surface by pressure roller by woollen blanket and carries out drying.Dryer surface is coated with coating, and the width of wet web is less than the width of coating usually.Because the vapours of drying cylinder inside is equally distributed, therefore when not having wet web through drying cylinder, the temperature of dryer surface is consistent.When wet web is dry by dryer surface, moisture high temperature evaporation in the wet web, because the moisture evaporation needs to absorb heat, therefore there is the coating surface temperature of wet web process to reduce, so causing not having the drying cylinder coating surface temperature of wet web process to be higher than has the drying cylinder of wet web process coating surface.And after the temperature of drying cylinder coating was higher than a certain critical-temperature, the drying cylinder coating will produce crosslinking curing, showed as the sclerosis of drying cylinder coating.The coating of drying cylinder both sides has the coating layer portion of wet web process with respect to the centre, than being easier to sclerosis, and " yellow limit " problem of the drying cylinder coating that is commonly called as of paper industry namely.
The utility model content
In view of this, be necessary to provide a kind of dryer device that effectively addresses the above problem.
A kind of dryer device, the heat sink that it comprises drying cylinder and is used for drying cylinder is lowered the temperature, this drying cylinder is in order to dry wet web, the outer surface of this drying cylinder is formed with coating, dry on the surface that wet web can be covered in coating, the width of this coating is greater than the width of wet web to be dried, and this heat sink is used for dwindling the temperature difference in the zone that zone that the drying cylinder coating can not cover by wet web can cover by wet web with coating.
Preferably, this heat sink is for spraying the device of cooling liquid or cooling gas.
Preferably, this heat sink is water injector, at least one nozzle that this water injector comprises shower and is communicated with shower.
Preferably, all nozzles of this water injector can not be sprayed water by the zone that wet web covers to coating.
Preferably, described nozzle is several, and described some nozzles can be sprayed water to dryer surface, and the water sprinkling amount in the coating zone that can not be covered by wet web can be more by the zone that wet web covers compared to coating.
Preferably, described some nozzles are uniformly-spaced to arrange, and larger compared to the water sprinkling amount of the nozzle in the zone that coating can be covered by wet web in order to the water sprinkling amount of the nozzle that sprays the zone that coating can not cover by wet web.
Preferably, the spacing between the nozzle in the described zone that can be covered by wet web less than coating in order to the spacing between the nozzle that sprays the zone that coating can not cover by wet web.
Preferably, this heat sink is arranged at the drying cylinder below.
The utility model arranges heat sink by the next door at drying cylinder dryer surface is lowered the temperature, this heat sink is used for dwindling the temperature difference in the zone that zone that the drying cylinder coating can not cover by wet web can cover by wet web with coating, so reduce " yellow limit " problem that regional temperature is higher, make the temperature of whole dryer surface more even.
Description of drawings
Fig. 1 be the utility model the first preferred embodiment dryer device schematic diagram is set.
Fig. 2 be the utility model the second preferred embodiment dryer device schematic diagram is set.
Fig. 3 be the utility model the 3rd preferred embodiment dryer device schematic diagram is set.
The main element symbol description
| Drying |
10 |
| Coating | 12 |
| |
20 |
| |
30，40，50 |
| |
31，41，51 |
| |
33，43，53 |
The following specific embodiment further specifies the utility model in connection with above-mentioned accompanying drawing.
The specific embodiment
Dryer device of the present utility model comprises drying cylinder and the heat sink in order to drying cylinder is lowered the temperature.
The heat sink of the utility model first, second, third preferred embodiment is water injector.
See also Fig. 1, the outer surface of drying cylinder 10 of the present utility model is formed with coating 12, and the width of this coating 12 is less than the width of drying cylinder 10.Dry on the surface that wet web 20 is covered in the coating 12 of drying cylinder 10, and the width of this wet web 20 is less than the width of coating 12.The both sides of coating 12 and the zone that can not be covered by wet web 20 are the zone that easily produces " yellow limit ".
Please further consult Fig. 1, the water injector 30 of the utility model the first preferred embodiment is arranged on the below of drying cylinder 10, can guarantee that like this water injector 30 can not spray water at the surf zone of wet web 20, only can be sprayed at coating 12 zones of drying cylinder 10.
This water injector 30 comprises shower 31 and two nozzles 33 that are communicated with shower 31, and this two nozzle 33 can not be sprayed water respectively by the zone that wet web 20 covers to coating 12.Nozzle 33 is sustainable or off and on to " yellow limit " zone water spray, reduce the temperature in " yellow limit " zone with this, thereby reduce should " yellow limit " zone can be by the temperature difference of wet web 20 overlay areas with other, and then can slow down the problem that drying cylinder 10 both sides coatings 12 are easier to crosslinking curing.
Understandable, also can be in two " yellow limit " zone of drying cylinder 10 respectively correspondence be set to a water injector, and the nozzle of water injector is sprayed water respectively to two " yellow limit " zone of coating 12 both sides.
See also Fig. 2, the water injector 40 of the utility model the second preferred embodiment is arranged on the below of drying cylinder 10.This water injector 40 comprises shower 41 and the some nozzles 43 that are communicated with shower 41.Described some nozzles 43 are uniformly-spaced setting, and all aim at drying cylinder 10 being sprayed water in drying cylinder 10 surfaces.Nozzle 43 openings to coating 12 other zone water sprays are large for the opening of the nozzle 43 of the described zone water spray that can not be covered by wet web 20 coating 12, so that larger compared to the water sprinkling amount of coating 12 other regional nozzles 43 in order to the water sprinkling amount of the nozzle 43 that sprays the zone that coating 12 can not cover by wet web 20.So, reduce the higher problem of temperature in " yellow limit " zone, make the temperature on whole drying cylinder 10 surfaces more even.
See also Fig. 3, the water injector 50 of the utility model the 3rd preferred embodiment is arranged on the below of drying cylinder 10.This water injector 50 comprises shower 51 and the some nozzles 53 that are communicated with shower 51.Described some nozzles 53 are all aimed at drying cylinder 10 being sprayed water in drying cylinder 10 surfaces.Described spacing in order to 43 at the nozzle that sprays the zone that coating 12 can not cover by wet web 20 is less than the spacing of spraying 43 at coating 12 other regional nozzles, so that the water sprinkling amount in the zone that coating 12 can not be covered by wet web 20 is more compared to coating 12 other zones.So, reduce the higher problem of temperature in " yellow limit " zone, make the temperature on whole drying cylinder 10 surfaces more even.
Understandable, this water injector also can substitute with other heat sink, can be the device that sprays other cooling liquid, cooling gas such as this heat sink, as long as purpose reaches the temperature difference of dwindling the zone that zone that the drying cylinder coating can not cover by wet web can cover by wet web with coating.
The utility model arranges the heat sink of water injector and so on drying cylinder 10 surfaces is lowered the temperature by the next door at drying cylinder 10, effectively dwindle the temperature difference in the zone that zone that the drying cylinder coating can not cover by wet web can cover by wet web with coating, so reduce " yellow limit " problem that regional temperature is higher, make the temperature on whole drying cylinder 10 surfaces more even.
In addition, those skilled in the art also can make various modifications, interpolation and the replacement on other form and the details in the utility model claim scope of disclosure and spirit.Certainly, these all should be included within the utility model scope required for protection according to the variations such as various modifications, interpolation and replacement that the utility model spirit is made.
Claims (8)
1. dryer device, the heat sink that it comprises drying cylinder and is used for drying cylinder is lowered the temperature, this drying cylinder is in order to dry wet web, the outer surface of this drying cylinder is formed with coating, dry on the surface that wet web can be covered in coating, the width of this coating is characterized in that greater than the width of wet web to be dried: this heat sink is used for dwindling the temperature difference in the zone that zone that the drying cylinder coating can not cover by wet web can cover by wet web with coating.
2. dryer device as claimed in claim 1 is characterized in that: this heat sink is for spraying the device of cooling liquid or cooling gas.
3. dryer device as claimed in claim 2, it is characterized in that: this heat sink is water injector, at least one nozzle that this water injector comprises shower and is communicated with shower.
4. dryer device as claimed in claim 3 is characterized in that: the zone water spray that all nozzles of this water injector can not be covered by wet web to coating.
5. dryer device as claimed in claim 3, it is characterized in that: described nozzle is several, described some nozzles can be sprayed water to dryer surface, and the water sprinkling amount in the coating zone that can not be covered by wet web can be more by the zone that wet web covers compared to coating.
6. dryer device as claimed in claim 5, it is characterized in that: described some nozzles are uniformly-spaced to arrange, and larger compared to the water sprinkling amount of the nozzle in the zone that coating can be covered by wet web in order to the water sprinkling amount of the nozzle that sprays the zone that coating can not cover by wet web.
7. dryer device as claimed in claim 5 is characterized in that: the spacing between the nozzle in the described zone that can be covered by wet web less than coating in order to the spacing between the nozzle that sprays the zone that coating can not cover by wet web.
8. dryer device as claimed in claim 1 is characterized in that: this heat sink is arranged at the drying cylinder below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220414244 CN202755251U (en) | 2012-08-21 | 2012-08-21 | Drying cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220414244 CN202755251U (en) | 2012-08-21 | 2012-08-21 | Drying cylinder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202755251U true CN202755251U (en) | 2013-02-27 |
Family
ID=47734440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220414244 Withdrawn - After Issue CN202755251U (en) | 2012-08-21 | 2012-08-21 | Drying cylinder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202755251U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808348A (en) * | 2012-08-21 | 2012-12-05 | 金红叶纸业集团有限公司 | Drying cylinder device |
| CN104562826A (en) * | 2014-12-02 | 2015-04-29 | 山东太阳生活用纸有限公司 | Method for preventing paper from generating yellow edges in dryer process |
| CN106418645A (en) * | 2016-12-13 | 2017-02-22 | 安徽中烟再造烟叶科技有限责任公司 | Water-spraying cooling device of two ends of cylinder surface of Yankee dryer |
-
2012
- 2012-08-21 CN CN 201220414244 patent/CN202755251U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808348A (en) * | 2012-08-21 | 2012-12-05 | 金红叶纸业集团有限公司 | Drying cylinder device |
| CN104562826A (en) * | 2014-12-02 | 2015-04-29 | 山东太阳生活用纸有限公司 | Method for preventing paper from generating yellow edges in dryer process |
| CN106418645A (en) * | 2016-12-13 | 2017-02-22 | 安徽中烟再造烟叶科技有限责任公司 | Water-spraying cooling device of two ends of cylinder surface of Yankee dryer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130227 Effective date of abandoning: 20150211 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130227 Effective date of abandoning: 20150211 |
|
| RGAV | Abandon patent right to avoid regrant |