CN204039836U - A kind of dryer device - Google Patents
A kind of dryer device Download PDFInfo
- Publication number
- CN204039836U CN204039836U CN201420473635.9U CN201420473635U CN204039836U CN 204039836 U CN204039836 U CN 204039836U CN 201420473635 U CN201420473635 U CN 201420473635U CN 204039836 U CN204039836 U CN 204039836U
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- China
- Prior art keywords
- doctor
- drying cylinder
- cleaning doctor
- coating
- downstream
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- 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.)
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Abstract
The utility model relates to paper making equipment technical field, relate to a kind of dryer device particularly, comprise drying cylinder, described dryer surface is provided with coating, the width of coating is greater than the width of wet web to be dried, drying cylinder outside is provided with disconnected paper scraper, the downstream of disconnected paper scraper is provided with creping doctor, the downstream of creping doctor is provided with spray equipment, at least one cleaning doctor is provided with between the downstream of described creping doctor and the upstream of spray equipment, cleaning doctor is fixed on doctor blade holder, doctor blade holder is provided with and controls the dynamic power set of cleaning doctor folding.The advantage that the utility model has can remove " yellow limit ", avoid scrapper jumping of scrapper, reduce drying cylinder wearing and tearing.
Description
Technical field
The utility model relates to paper making equipment technical field, relates to a kind of dryer device particularly.
Background technology
In the manufacture process playing wadding; the flexibility of thin paper, loosing character, draftability and absorbability etc. are generally realized by cylinder dried and scraper, the coating usually containing other chemical substance of adding before sticker cylinder agent, remover, modifier, drying cylinder protective agent and wet end on dryer surface uniform fold.
When carrying out drying to wet web, wet web is transferred in the coating of dryer surface by pressure roller, in dry run, the coating of wet web and dryer surface can be subject to the heat drying of natural gas in drying cylinder steam inside and guard shield, moisture in wet web is subject to superhigh temperature and can evaporates, because moisture evaporation needs to absorb heat, therefore the Coated Surface Temperature having wet web to cover can reduce, thus makes the drying cylinder Coated Surface Temperature not having wet web to cover higher than the drying cylinder coating surface having wet web to cover.
And after the temperature of drying cylinder coating is higher than a certain critical-temperature, drying cylinder coating will produce crosslinking curing, shows as the sclerosis of drying cylinder coating.The temperature of the coating that the temperature of the coating not having wet web to cover due to drying cylinder both sides has wet web to cover relative to centre is higher, therefore the coating of drying cylinder both sides is easier to sclerosis relative to the coating layer portion ratio of centre, namely " yellow limit " problem of drying cylinder coating of being commonly called as of paper industry." yellow limit " can cause in paper-making process scrapper jumping of scrapper phenomenon, also may cause the excessive wear of drying cylinder and creping doctor time serious.
Summary of the invention
The purpose of this utility model is to solve the problems of the technologies described above, the dryer device of the drying cylinder wearing and tearing that provide one can remove " yellow limit ", avoid scrapper jumping of scrapper, reduce.
The technical solution of the utility model is: a kind of dryer device, comprise drying cylinder, described dryer surface is provided with coating, the width of coating is greater than the width of wet web to be dried, and drying cylinder outside is provided with disconnected paper scraper, and the downstream of disconnected paper scraper is provided with creping doctor, the downstream of creping doctor is provided with spray equipment, be provided with at least one cleaning doctor between the downstream of described creping doctor and the upstream of spray equipment, cleaning doctor is fixed on doctor blade holder, doctor blade holder is provided with and controls the dynamic power set of cleaning doctor folding.
Preferably, be provided with and spray limit device between the upstream of described cleaning doctor and the downstream of creping doctor, spray limit device comprises at least one nozzle, and nozzle is connected with shower.
Preferably, described doctor blade holder is provided with multiple screw, and multiple screw unequal-interval on doctor blade holder is arranged.
Preferably, the length of described cleaning doctor is more than or equal to the width of drying cylinder coating.
Preferably, the quantity of described cleaning doctor is two, and the length of one of them cleaning doctor is more than or equal to the width of drying cylinder, and another cleaning doctor is arranged on the drying cylinder position not having wet web to cover.
Preferably, the two ends indentation of described cleaning doctor.
The beneficial effects of the utility model are: by arranging at least one cleaning doctor removing dryer surface hardening coat between the downstream and the upstream of spray equipment of creping doctor, the hardening coat in " yellow limit " region can be removed, eliminate the scrapper jumping of scrapper phenomenon that " yellow limit " causes, make paper web wrinkling evenly, and the service life of scraper can be extended, reduce drying cylinder wearing and tearing, protection drying cylinder; By being arranged on the spray limit device that can carry out spraying to " yellow limit " region limit between cleaning doctor upstream and creping doctor downstream, can spray " yellow limit " or soften, facilitate the removing of the cleaning doctor in its downstream, to the removing on " yellow limit " damage more thoroughly and to drying cylinder when can reducing removing; The pressure at cleaning doctor diverse location place is controlled, to remove " yellow limit " more thoroughly.
Accompanying drawing explanation
Fig. 1 is the schematic front view of the utility model embodiment one.
Fig. 2 is that schematic diagram is looked on the right side of Fig. 1.
Fig. 3 is the schematic front view of the utility model embodiment three.
Fig. 4 is that schematic diagram is looked on the right side of Fig. 3.
Fig. 5 is the structural representation of cleaning doctor of the present utility model.
In figure, 1, guard shield, 2, spray limit device, 3, Huang Bian, 4, drying cylinder, 5, disconnected paper scraper, 6, creping doctor, 7, cleaning doctor, 8, spray equipment, 9, dry paper web, 10, wet web, 11, pressure roller.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail.
As shown in Figures 1 to 4, a kind of dryer device of the present utility model, comprise drying cylinder 4, guard shield 1 is provided with above drying cylinder 4, drying cylinder 4 outside is provided with spray equipment 8, and spray equipment 8 by the whole outer surface being sprayed on drying cylinder 4 of coating uniform, and guarantees that width that the width of coating should equal drying cylinder is greater than the width of wet web 10 to be dried again, wet web 10 is transferred in the coating on drying cylinder 4 surface by pressure roller 11, and the moisture in wet web 10 is subject to superhigh temperature and has evaporated drying when through guard shield 1.Through the dried dry paper web 9 of drying cylinder 4 when paper power traction paper is smooth, carry out wrinkling by the creping doctor 6 being located at drying cylinder 4 outside to dry paper web 9, dry paper web 9 is met the demands; But changing creping doctor 6 or paper power traction paper not up time, needing to pressurize closed with disconnected paper scraper 5, paper is scraped from drying cylinder 4, prevents paper to be attached on drying cylinder always.
Wet web 10, in drying cylinder 4 inner drying process, because moisture evaporation in wet web 10 can cause drying cylinder 4 coating temperature covering wet web 10 to reduce, and then is not formed " yellow limit " by the dual-side that wet web 10 covers at drying cylinder 4.In order to " yellow limit " be removed, between the downstream of creping doctor 6 and the upstream of spray equipment 8, arrange at least one cleaning doctor 7, cleaning doctor 7 is arranged on doctor blade holder, doctor blade holder is provided with and controls the dynamic power set of cleaning doctor folding.
Conveniently cleaning doctor 7 is removed on " yellow limit ", be provided with between the upstream of cleaning doctor 7 and the downstream of creping doctor 6 and spray limit device 2, particularly, spray limit device 2 comprises at least one nozzle, nozzle is connected with shower, spray Bottomhole pressure has the water or cleaning solution that spray " yellow limit ", by the spray of spray limit device 2 to " yellow limit ", " yellow limit " can be made to soften, the cleaning doctor 7 in its downstream can be facilitated the removing on " yellow limit ", cleaning doctor 7 damage to drying cylinder 4 in reset procedure can also be reduced simultaneously.
As depicted in figs. 1 and 2, in embodiment one of the present utility model, the quantity of cleaning doctor 7 is one, and the length of this cleaning doctor 7 is greater than the width of drying cylinder 4 coating, can be rolled at the banner of drying cylinder by the control cleaning doctor 7 of power set, in order to better to remove " yellow limit ".
In embodiment two of the present utility model, the quantity of cleaning doctor 7 is one, and the length of this cleaning doctor 7 equals the width of drying cylinder 4 coating.In order to can better remove on " yellow limit ", this cleaning doctor 7 is designed to pressure can local directed complete set, particularly, the doctor blade holder installing cleaning doctor 7 arranges multiple screw, and unequal-interval between multiple screw is arranged, when spacing between screw is less, the screw number that then same area is arranged increases, the active force of cleaning doctor 7 can be made to strengthen, correspondingly, when spacing between screw is larger, the screw number that same area is arranged reduces, the active force of cleaning doctor 7 can be made to reduce, in order to strengthen the effect on removing " yellow limit ", usual needs make the screw spacing of removing " yellow limit " region be less than coating can by the screw spacing of wet web overlay area, even if the pressure in the region on the place of cleaning doctor 7 " yellow limit " is greater than the pressure in the region that coating can be covered by wet web.
As shown in Figure 3 and Figure 4, in embodiment three of the present utility model, two cleaning doctors 7 are provided with between creping doctor 6 downstream and spray equipment 8 upstream, the length of one of them cleaning doctor 7 is more than or equal to the width of drying cylinder 4 coating, another one cleaning doctor 7 is only arranged on " yellow limit " region, better to remove on " yellow limit ".
In embodiment of the present utility model, cleaning doctor 7 is made up of cast iron or steel alloy, in order to better remove " yellow limit ", the two ends of cleaning doctor 7 is designed to zigzag.
Although the foregoing describe detailed description of the invention of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (6)
1. a dryer device, comprise drying cylinder (4), described drying cylinder (4) surface is provided with coating, the width of coating is greater than the width of wet web to be dried (10), drying cylinder (4) outside is provided with disconnected paper scraper (5), the downstream of disconnected paper scraper (5) is provided with creping doctor (6), the downstream of creping doctor (6) is provided with spray equipment (8), it is characterized in that: between the downstream of described creping doctor (6) and the upstream of spray equipment (8), be provided with at least one cleaning doctor (7), cleaning doctor (7) is fixed on doctor blade holder, doctor blade holder is provided with and controls the dynamic power set of cleaning doctor (7) folding.
2. a kind of dryer device as claimed in claim 1, is characterized in that: be provided with between the upstream of described cleaning doctor (7) and the downstream of creping doctor (6) and spray limit device (2), and spray limit device (2) comprises at least one nozzle, and nozzle is connected with shower.
3. a kind of dryer device as claimed in claim 1 or 2, is characterized in that: described doctor blade holder is provided with multiple screw, and multiple screw unequal-interval on doctor blade holder is arranged.
4. a kind of dryer device as claimed in claim 1 or 2, is characterized in that: the length of described cleaning doctor (7) is more than or equal to the width of drying cylinder (4) coating.
5. a kind of dryer device as claimed in claim 1 or 2, it is characterized in that: the quantity of described cleaning doctor (7) is two, the length of one of them cleaning doctor (7) is more than or equal to the width of drying cylinder (4), and another cleaning doctor (7) is arranged on drying cylinder (4) position not having wet web (10) to cover.
6. a kind of dryer device as claimed in claim 1 or 2, is characterized in that: the two ends indentation of described cleaning doctor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420473635.9U CN204039836U (en) | 2014-08-21 | 2014-08-21 | A kind of dryer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420473635.9U CN204039836U (en) | 2014-08-21 | 2014-08-21 | A kind of dryer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204039836U true CN204039836U (en) | 2014-12-24 |
Family
ID=52240522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420473635.9U Expired - Fee Related CN204039836U (en) | 2014-08-21 | 2014-08-21 | A kind of dryer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204039836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455718A (en) * | 2020-03-31 | 2020-07-28 | 濮阳龙丰纸业有限公司 | Method for reducing resin reduction quantity of paper sheet |
| CN112680998A (en) * | 2021-01-22 | 2021-04-20 | 安徽省华腾农业科技有限公司 | Processing equipment for papermaking |
-
2014
- 2014-08-21 CN CN201420473635.9U patent/CN204039836U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455718A (en) * | 2020-03-31 | 2020-07-28 | 濮阳龙丰纸业有限公司 | Method for reducing resin reduction quantity of paper sheet |
| CN112680998A (en) * | 2021-01-22 | 2021-04-20 | 安徽省华腾农业科技有限公司 | Processing equipment for papermaking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20160821 |