CN201648844U - Paperboard machine net portion - Google Patents
Paperboard machine net portion Download PDFInfo
- Publication number
- CN201648844U CN201648844U CN2010201598700U CN201020159870U CN201648844U CN 201648844 U CN201648844 U CN 201648844U CN 2010201598700 U CN2010201598700 U CN 2010201598700U CN 201020159870 U CN201020159870 U CN 201020159870U CN 201648844 U CN201648844 U CN 201648844U
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- paperboard machine
- scraper
- couch roll
- utility
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Abstract
The utility model discloses a paperboard machine net portion, which comprises forming fabrics, a dehydration plate system, a vacuum couch roll part and a cutting water needle, wherein the dehydration plate system and the vacuum couch roll part are orderly arranged in the forming fabrics, the cutting water needle which is used to cut wet paper sides is arranged in the forming fabrics, the vacuum couch roll part is provided with a double-air bag zone pressurization scraper, when the scraper contacts a roll surface, and the position of a scraper blade in a scraper clamp is arranged in the middle position of two air bags. The paperboard machine wire section reduces blocking of roller meshes, increases the service life of rollers, thereby solving the phenomena of having water and water fog on the surrounding of vacuum couch rolls, and leading the quality of papers to be effectively improved.
Description
Technical field
The utility model relates to the papermaking equipment technical field, especially relates to a kind of paperboard machine wet end.
Background technology
In the paperboard machine paper-making process, paper pulp is shaped in the wet end dehydration.The online pulp density is 0.1～1.2%, and the web dryness degree is 15～25% when going out couch roll, and shaping paper mass dryness fraction is 90～95%.This shows that the wet end dehydrating amount accounts for more than 90% of total dehydrating amount.The vacuum of suction couch roll is generally than vacuum tank height, the mass dryness fraction of l Water Paper page or leaf can be improved greatly on the one hand through suction couch roll, can increase the tightness and the wet strength of l Water Paper page or leaf on the other hand, for the press dewatering of back creates conditions and reduces broken end.The suction couch roll place scraper of tradition wet end is common scraper, and the roller mesh is stopped up, and will influence the raising of paper quality after the raising speed of a motor vehicle.
In paper making process, the eyelet of net often has by the higher grease phenomenon of blocking of fiber, sizing material, resin or viscosity.Particularly produce fluting medium with half chemical Straw Pulp and secondary stock under the high speed of a motor vehicle, this paste net phenomenon is particularly outstanding, has influenced operating efficiency, and will shorten the service life of net.
In addition, under the higher speed of a motor vehicle when the paperboard machine is worked, traditional cutting liquid drugs injection needs manual operation, not only lose time, and also inaccurate, more be unfavorable for realizing automation.
The utility model content
The utility model is intended to solve at least one of technical problem that exists in the prior art.For this reason, a purpose of the present utility model is to propose a kind of paperboard machine wet end that improves paper quality and can accelerate operating rate.
According to a kind of paperboard machine wet end of the present utility model, comprise forming net, be arranged in dewatering plate system and the suction couch roll part in the described forming net and be arranged on the cutting liquid drugs injection that is used to cut the wet trim in the described forming net successively, wherein, described suction couch roll place is provided with two air bag subregion pressurization scrapers, and described scraper is when the contact roll surface, and the position of blade in cutter holder is in the meta of two air bags.
According to paperboard machine wet end of the present utility model, reduced the obstruction of roller mesh, and the service life of having improved roller, suction couch roll water phenomenon and water smoke phenomenon on every side is resolved, make paper quality effectively be improved.
In addition, also have following additional technical feature according to paperboard machine wet end of the present utility model:
In described forming net, further comprise and be used to eliminate the full width washer of sticking with paste the net phenomenon.By increasing full width washer efficiently, can eliminate effectively by the higher grease of fiber, sizing material, resin or viscosity and stop up and the paste net phenomenon of appearance.
Described cutting liquid drugs injection is electronic liquid drugs injection.Electronic cutting liquid drugs injection is not only safe and reliable, and the realization of utilization automation is arranged.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is according to the suction couch roll portion of paperboard machine wet end of the present utility model and the schematic diagram of two scrapers.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, term " on ", close the orientation of indications such as D score, " preceding ", " back " or position is based on orientation shown in the drawings or position relation, it only is the utility model rather than require the utility model therefore can not be interpreted as for convenience of description with specific orientation structure and operation to restriction of the present utility model.
Describe according to a kind of paperboard machine wet end of the present utility model below with reference to Fig. 1.
A kind of paperboard machine wet end comprises forming net, is arranged in dewatering plate system and the suction couch roll part in the described forming net and be arranged on the cutting liquid drugs injection that is used to cut the wet trim (scheming not shown) in the described forming net successively.
It is the two scrapers of DST that suction couch roll 1 place is provided with two air bag subregions pressurization scrapers, and its operation principle is to adopt the wide pneumatic tyre entire pressurisation of full width, and scraper is fitted on roller (cylinder) face with counterpressure more, can more effective cleaning roll surface, reduce broken end, reduce the grinding number of times of roller, improve the roller life-span.As shown in Figure 1, the two scrapers of DST comprise blade 2, cutter holder 4 and knife rest 5 etc., wherein blade 2 is fixed on the knife rest 5 by cutter holder 4, and scraper when mounted, guarantee that blade 2 is when the contact roll surface, the position of blade 2 in cutter holder 4 is in the meta of two air bags 3, treat that blade 2 is fixing after, make blade 2 be in only state according to the contact situation on both sides by the cutter holder 4 of regulating blade 2 two ends.
During work, the vacuum that is produced with the first doctor blade back side that is positioned at the place ahead, sucking-off is hidden in moisture and the filler in roll surface aperture or the rill, and it is cleaned out with the second scraper that is positioned at the rear, like this, not only improved the uniformity of moisture, also made the moisture that turns back to wet end reduce, paper quality is effectively improved.The negative pressure of utilizing the doctor blade back side to be produced simultaneously again can be with dirt in the roller mesh and moisture sucking-off together, so not only reduced the obstruction of roller mesh, and the service life of having improved roller, suction couch roll water phenomenon and water smoke phenomenon on every side is resolved.Simultaneously, paper quality is stablized.
In the example according to paperboard machine wet end of the present utility model, also further comprise the full width washer that is used to wash forming net.By increasing full width washer efficiently, can eliminate effectively by the higher grease of fiber, sizing material, resin or viscosity and stop up and the paste net phenomenon of appearance.
The cutting liquid drugs injection is electronic liquid drugs injection.Thereby will cut liquid drugs injection by manually changing the electronic above shortcoming of having avoided into, not only safe and reliable, and the realization of utilization automation is arranged.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (3)
1. paperboard machine wet end, comprise forming net, be arranged in dewatering plate system and the suction couch roll part in the described forming net and be arranged on the cutting liquid drugs injection that is used to cut the wet trim in the described forming net successively, it is characterized in that, described suction couch roll place is provided with two air bag subregion pressurization scrapers, and described scraper is when the contact roll surface, and the position of blade in cutter holder is in the meta of two air bags.
2. paperboard machine wet end according to claim 1 is characterized in that, further comprises being used to eliminate the full width washer of sticking with paste the net phenomenon in described forming net.
3. paperboard machine wet end according to claim 1 is characterized in that described cutting liquid drugs injection is electronic liquid drugs injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201598700U CN201648844U (en) | 2010-04-15 | 2010-04-15 | Paperboard machine net portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201598700U CN201648844U (en) | 2010-04-15 | 2010-04-15 | Paperboard machine net portion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201648844U true CN201648844U (en) | 2010-11-24 |
Family
ID=43114068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201598700U Expired - Fee Related CN201648844U (en) | 2010-04-15 | 2010-04-15 | Paperboard machine net portion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201648844U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102517957A (en) * | 2011-12-19 | 2012-06-27 | 中冶美利纸业股份有限公司 | Paper cutting device with return roll |
| CN108238424A (en) * | 2016-12-26 | 2018-07-03 | 贵州中烟工业有限责任公司 | A kind of carrying roller apparatus for eliminating sludge |
| CN109222188A (en) * | 2018-10-29 | 2019-01-18 | 中国船舶工业总公司七五研究所宜昌分部 | Thick slurry thin slice flake machine and flake method |
| CN111663357A (en) * | 2020-07-08 | 2020-09-15 | 苏州静冈刀具有限公司 | Double-scraper device for vacuum couch roll |
| CN112376311A (en) * | 2020-10-30 | 2021-02-19 | 王少花 | Paper making machine |
-
2010
- 2010-04-15 CN CN2010201598700U patent/CN201648844U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102517957A (en) * | 2011-12-19 | 2012-06-27 | 中冶美利纸业股份有限公司 | Paper cutting device with return roll |
| CN108238424A (en) * | 2016-12-26 | 2018-07-03 | 贵州中烟工业有限责任公司 | A kind of carrying roller apparatus for eliminating sludge |
| CN109222188A (en) * | 2018-10-29 | 2019-01-18 | 中国船舶工业总公司七五研究所宜昌分部 | Thick slurry thin slice flake machine and flake method |
| CN111663357A (en) * | 2020-07-08 | 2020-09-15 | 苏州静冈刀具有限公司 | Double-scraper device for vacuum couch roll |
| CN112376311A (en) * | 2020-10-30 | 2021-02-19 | 王少花 | Paper making machine |
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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: 20101124 Termination date: 20170415 |