CN103306163B - Spray equipment - Google Patents
Spray equipment Download PDFInfo
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- CN103306163B CN103306163B CN201310220736.5A CN201310220736A CN103306163B CN 103306163 B CN103306163 B CN 103306163B CN 201310220736 A CN201310220736 A CN 201310220736A CN 103306163 B CN103306163 B CN 103306163B
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- division board
- body surface
- spray equipment
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Abstract
A kind of spray equipment, for spraying to form coating at this body surface to the body surface run with certain speed, this object can produce windstream at body surface by operation, the nozzle that this spray equipment comprises shower and is connected with shower, nozzle to be arranged and for body surface sprayed coating towards body surface, the described nozzle windstream that the operation of this object produces relatively has weather side and downwind side, this spray equipment also comprises the interrupter of the weather side being arranged on nozzle, described interrupter is used for barrier air, prevent the spraying of air-flow to nozzle from having an impact.Compared with prior art, the air-flow that spray equipment provided by the invention can make nozzle and body surface be formed completely cuts off, reduce the impact of air-flow for spray process, make the coating sprayed to pollute surrounding enviroment, also avoid that the coating of the pollution sources in external environment condition and spray is mixed in together to be formed on the surface of object simultaneously.
Description
Technical field
The present invention relates to a kind of spray equipment, particularly a kind of for spraying the body surface of high-speed cruising, to form the spray equipment of coating at body surface.
Background technology
At present in paper-making process, the dryer surface for dry-web is coated with coating, and acting as of coating prevents drying cylinder and creping doctor from directly touching, and reduces wearing and tearing.In addition, can such as, by regulating the chemical composition of coating, sticker cylinder agent and remover etc., make wet web better and drying cylinder fit, paper also can be made better to peel off.
Due to wet web can always with the coating layer touch on drying cylinder, and take away partial coating, therefore need ceaselessly on drying cylinder, to spray to supplement coating by spray system in paper-making process.Due to drying cylinder operationally, operate with the speed up to 2000m/s, therefore can form certain air-flow in nigh region.Add pressure roller and drive woollen blanket, transferred to by wet web on drying cylinder, woollen blanket need be consistent with drying cylinder rotating speed with the rotating speed of pressure roller, in order to avoid produce friction etc.Therefore woollen blanket and pressure roller also can form certain air-flow in region nearby.Under the impact of these air-flows, spray the chemical drug on drying cylinder, along with aerodynamic atomization or other places can be diffused into, greatly reduce the efficiency of spray, and add the use cost of spray chemical drug.On the other hand, also can affect thickness and the uniformity of coating, thus cause curl uneven, and then cause quality unstable.In addition, coating is uneven also can be caused with scraper into contact uneven, causes the improper vibrations of scraper, and this kind worsens and also easily on paper web, form oscillation mark.
Same, the object of a lot of high-speed cruising sprays, because objects at high speed operates in the air-flow that its surface produces, the efficiency of spraying and the thickness of coating and uniformity can be affected, and the chemical drug of spraying can be made to be diffused near zone, cause the waste of chemical drug and the pollution of environment.
Summary of the invention
In view of this, be necessary to provide a kind of spray equipment, the problem run in above-mentioned actual production process can be overcome.
A kind of spray equipment, for spraying to form coating at this body surface to the body surface run with certain speed, this object produces windstream by operating in body surface, the nozzle that this spray equipment comprises shower and is connected with shower, nozzle to be arranged and for body surface sprayed coating towards body surface, the described nozzle windstream that the operation of this object produces relatively has weather side and downwind side, this spray equipment also comprises the interrupter of the weather side being arranged on nozzle, described interrupter is used for barrier air, prevent the spraying of air-flow to nozzle from having an impact, the object that should run with certain speed is for paper machine dryer, interrupter comprises support and division board nozzle is multiple, nozzle is fan nozzle, division board encloses formation taper to nozzle surrounding described in each accordingly, to make the shape of described division board consistent with the contour shape of the stereochemical structure that paint spray in described nozzle spraying process presents, or, weather side and lower crosswind arrange division board respectively, the division board being located at weather side and the division board interval being located at lower crosswind are arranged, and wherein, the division board being located at crosswind is fixed on support, the material selection steel of division board, aluminium.
Compared with prior art, the air-flow that spray equipment provided by the invention can make nozzle and body surface be formed completely cuts off, reduce the impact of air-flow for spray process, make the coating sprayed to pollute surrounding enviroment, also avoid that the coating of the pollution sources in external environment condition and spray is mixed in together to be formed on the surface of object simultaneously.
Spray equipment provided by the invention is preferred for forming the coating on paper machine dryer, also can be used for carrying out spraying to the surface of the object of other high-speed cruisings and forms coating.
With reference to the accompanying drawings, the invention will be further described in conjunction with specific embodiments.
Accompanying drawing explanation
Fig. 1 is the schematic front view of the spray equipment of one embodiment of the invention.
Fig. 2 is the schematic side view of the spray equipment of one embodiment of the invention.
Main element symbol description
Drying cylinder 10
Paper web 20
Shower 31
Nozzle 32
Weather side 320
Downwind side 322
Woollen blanket 40
Pressure roller 50
Interrupter 60
Support 61
Division board 62
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Please refer to Fig. 1 and Fig. 2, the spray equipment that one embodiment of the invention provides, is for forming the coating being beneficial to paper web 20 and fitting with drying cylinder 10 and peel off on the paper machine dryer 10 run up.Paper machine running speed in modern industry is per second up to thousands of rice, and in the present embodiment, the running speed of drying cylinder 10 is 2200m/s.Drying cylinder 10 surface needs to form coating by spray equipment, the drying cylinder 10 lower meeting that runs up is formed on drying cylinder 10 surface and has certain air-flow flowed to, this air-flow can impact the spraying of spray equipment, cause the coating sprayed by improper diffusion or atomization, not only have impact on the efficiency of spraying, add cost, also pollute neighbouring environment.Therefore spray equipment provided by the invention is for solving this problem, the impact of the air-flow that the object that the process of spraying is not run up produces.Be appreciated that, " at a high speed " and not intended to be qualifier body running concrete velocity amplitude, as long as object air-flow that its surface produces under the running of certain speed impacts the process sprayed at this body surface, then spray equipment provided by the invention and applicable.The present invention is described this spray equipment for paper machine dryer 10, and this spray equipment non-limiting can only be applicable to spray the surface of drying cylinder 10, other objects needing the certain speed forming coating to run, are also applicable to adopting spray equipment of the present invention to the object that spraying process impacts as long as it runs the air-flow produced.
This drying cylinder 10 rotates in a clockwise direction.When drying cylinder 10 runs up, drying cylinder 10 surface can produce the air-flow identical with rotation direction.The woollen blanket 40 having pressure roller 50 and be wrapped on pressure roller 50 is abutted at the lower-left sidepiece of drying cylinder 10.Wet web 20, under the running up of rotating speed same with drying cylinder 10, takes on the surface of drying cylinder 10 by pressure roller 50 and woollen blanket 40.In the transmittance process of paper web 20 on woollen blanket 40, generally also adopt the direction of vacuum draw that the moisture in wet web 20 is reduced.Paper web 20 be passed to drying cylinder 10 on the surface after, by dry further, to meet set mass dryness fraction requirement, and when departing from drying cylinder 10 surface, carrying out wrinkling process, making paper web 20 softness, Peng Songhua, forming wrinkling paper.
This spray equipment is beneficial to paper web 20 and the laminating on drying cylinder 10 surface in the coating that drying cylinder 10 surface is formed, and is also beneficial to the disengaging on paper web 20 and drying cylinder 10 surface simultaneously.
The nozzle 32 that this spray equipment comprises shower 31 and is connected with shower 31, nozzle 32 towards drying cylinder 10 surface arrange, and for drying cylinder 10 surface spraying coating to form coating.In embodiment shown in figure, nozzle 32 is multiple, and axially linearly arranging in the bottom of drying cylinder 10 along drying cylinder 10.For ease of explanation, the flow direction of the air-flow that foundation drying cylinder 10 rotates and produces on drying cylinder 10 surface, definition nozzle 32 has weather side 320 and downwind side 322, wherein weather side 320 is the side of the upstream towards air-flow of nozzle 32, and downwind side 322 is the side in the downstream towards air-flow of nozzle 32.Concrete arrives the present embodiment, ginseng Fig. 1, because drying cylinder 10 turns clockwise, then the air-flow produced also is clockwise, and therefore in diagram, weather side 320 is the right side of nozzle 32, and downwind side 322 is then the left side of nozzle 32.
This spray equipment also comprises the interrupter 60 of the weather side 320 being arranged on nozzle 32.The division board 62 that this interrupter 60 comprises support 61 and is fixedly installed on support 61.Support 61 can be formed in paper machine frame, or arranges separately the support body being fixed on ground.Division board 62 is arranged on the weather side 320 of nozzle 32, drying cylinder 10 rotation can be made to be formed in nozzle 32 completely cut off with the air-flow on drying cylinder 10 surface, reduce the impact of air-flow for spray process, make the coating sprayed to pollute surrounding enviroment, also avoid on the coating of the pollution sources in external environment condition and the spray surface being formed in drying cylinder 10 mixed in together simultaneously.
The most significant end of division board 62 and drying cylinder 10 be a remaining 1cm in the vertical direction.Understandable, division board 62 and drying cylinder 10 are more near better, operate as prerequisite not affect drying cylinder 10.
Better, be provided with division board 62 at the weather side 320 of nozzle 32 and downwind side 322 simultaneously.As shown in fig. 1, drying cylinder 10 axial direction be arranged in parallel two division boards 62, is arranged on the effect that the weather side 320 of nozzle 32 and downwind side 322 better can play the air-flow that isolated drying cylinder 10 produces simultaneously.
Best, division board 62 can be arranged on the whole surrounding of nozzle 32, nozzle 32 is isolated from the outside out.Such as, division board 62 can be arranged and be.
In the illustrated embodiment in which, because nozzle 32 is more, and form a line, the surrounding of single division board 62 at all nozzles 32 can be set, also one is namely arranged in quadro frame shape, or the division board 62 of the shape such as tubular, all nozzles 32 are around in this division board 62.
In some other embodiments, when nozzle 32 is fewer, also can isolate for single-nozzle 32, also namely arrange one in quadro frame shape in the surrounding of each nozzle 32, or the division board 62 of the shapes such as tubular, is around in this single-nozzle 32 in the division board 62 of a correspondence.
The shape of division board 62 can also be arranged to various different type according to needing of spraying of nozzle 32.Such as, nozzle 32 is likely line spray, namely the coating sprayed linearly distributes along the axis of drying cylinder 10, also be likely fan-shaped spray, namely the stereochemical structure that in spraying process, coating presents is taper, coating is roughly fan-shaped in side, and the coating profile being sprayed into the formation of drying cylinder 10 surface is roughly rounded.
In certain embodiments, the projection of shape on drying cylinder 10 surface of described division board 62 can be a part for the profile that nozzle 32 spray painting is formed on drying cylinder 10 surface.Such as, when nozzle 32 shown in Fig. 1 sprays for line, the spray painting in this nozzle 32 is then a linear on drying cylinder 10 surface, and its profile is quadrangle, the width of the width sight line of this quadrangle spray and determining.Then this division board 62 can be the batten always at nozzle 32 weather side 320, or respectively at the weather side 320 of nozzle and two vertical bar plates of downwind side 322.When for batten always, this division board 62 is projected as a straight line on drying cylinder 10 surface, and the contour convergence formed on the surface at drying cylinder 10 with the spray painting of nozzle 32 or close to overlapping, become a part for this profile.When vertical bar plate for being placed in nozzle 32 both sides, be then correspondingly projected as two straight lines, a wherein part for the profile also formed on the surface at drying cylinder 10 with the spray painting of nozzle 32 is corresponding.
In some other embodiments, the contour shape that the projection of shape on drying cylinder 10 surface of described division board 62 also can be formed at drying cylinder 10 with nozzle 32 spray painting is on the surface consistent.Still for nozzle 32 for line spray, can enclose in nozzle 32 surrounding and form the quadro frame shape division board 62 that is made up of four blocks of vertical bar plates, form the structure of similar protective cover.The projection of this division board 62 on drying cylinder 10 surface is quadrangle, consistent with the profile of the linear pattern that the spray painting in this nozzle 32 is formed on drying cylinder 10 surface.
Further, in some other embodiments, the shape of described division board 62 also can be consistent with the contour shape of the stereochemical structure that paint spray in nozzle 32 spraying process presents.Such as, when nozzle 32 is fan-shaped spray, may correspond to the division board 62 that each nozzle 32 encloses formation one taper.
Preferably, the material selection steel of division board 62, aluminium or other materials not easily getting rusty or be corroded, even if the therefore coating contacts that sprays of division board 62 and nozzle 32, do not have obvious impact to the life-span of division board 62 yet.
Claims (2)
1. a spray equipment, for spraying to form coating at this body surface to the body surface run with certain speed, this object produces windstream by operating in body surface, the nozzle that this spray equipment comprises shower and is connected with shower, nozzle to be arranged and for body surface sprayed coating towards body surface, the described nozzle windstream that the operation of this object produces relatively has weather side and downwind side, it is characterized in that, this spray equipment also comprises the interrupter of the weather side being arranged on nozzle, described interrupter is used for barrier air, prevent the spraying of air-flow to nozzle from having an impact, the described object run with certain speed is for paper machine dryer,
Described interrupter comprises support and division board, and described nozzle is multiple;
Described nozzle is fan nozzle, described division board encloses formation taper to nozzle surrounding described in each accordingly, to make the shape of described division board consistent with the contour shape of the stereochemical structure that paint spray in described nozzle spraying process presents, or, described weather side and described lower crosswind arrange described division board respectively, the described division board being located at described weather side and the described division board interval being located at described lower crosswind are arranged, and wherein, the described division board being located at crosswind is fixing on the bracket;
The material selection steel of described division board, aluminium.
2. spray equipment as claimed in claim 1, is characterized in that: described nozzle is used for forming at dryer surface the coating being beneficial to paper and drying cylinder and fitting and peel off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220736.5A CN103306163B (en) | 2013-06-05 | 2013-06-05 | Spray equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220736.5A CN103306163B (en) | 2013-06-05 | 2013-06-05 | Spray equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103306163A CN103306163A (en) | 2013-09-18 |
| CN103306163B true CN103306163B (en) | 2016-02-17 |
Family
ID=49131852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310220736.5A Active CN103306163B (en) | 2013-06-05 | 2013-06-05 | Spray equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103306163B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652169B (en) * | 2013-11-20 | 2018-02-09 | 金红叶纸业集团有限公司 | Spray equipment and paper making equipment |
| CN104562826B (en) * | 2014-12-02 | 2017-07-28 | 山东太阳生活用纸有限公司 | A kind of method for controlling paper to produce yellow side during drying cylinder |
| CN113152148B (en) * | 2021-04-29 | 2021-11-12 | 江苏富星纸业有限公司 | High-efficient coating unit is used in production of coating white board paper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2004A (en) * | 1841-03-12 | Improvement in the manner of constructing and propelling steam-vessels | ||
| CN1946901A (en) * | 2004-04-20 | 2007-04-11 | 梅特索纸业有限公司 | Protecting device for spraying equipment and method of protecting it and its surroundings |
| JP4097583B2 (en) * | 2003-09-18 | 2008-06-11 | 花王株式会社 | Manufacturing method of water-disintegrating paper |
| CN202347352U (en) * | 2011-06-30 | 2012-07-25 | 德州泰鼎新材料科技有限公司 | Paper machine drying cylinder antistick apparatus |
| CN102978991A (en) * | 2012-12-12 | 2013-03-20 | 金红叶纸业集团有限公司 | Dryer device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI111870B (en) * | 2002-01-15 | 2003-09-30 | Metso Paper Inc | Munstycksserie |
-
2013
- 2013-06-05 CN CN201310220736.5A patent/CN103306163B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2004A (en) * | 1841-03-12 | Improvement in the manner of constructing and propelling steam-vessels | ||
| JP4097583B2 (en) * | 2003-09-18 | 2008-06-11 | 花王株式会社 | Manufacturing method of water-disintegrating paper |
| CN1946901A (en) * | 2004-04-20 | 2007-04-11 | 梅特索纸业有限公司 | Protecting device for spraying equipment and method of protecting it and its surroundings |
| CN202347352U (en) * | 2011-06-30 | 2012-07-25 | 德州泰鼎新材料科技有限公司 | Paper machine drying cylinder antistick apparatus |
| CN102978991A (en) * | 2012-12-12 | 2013-03-20 | 金红叶纸业集团有限公司 | Dryer device |
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| Publication number | Publication date |
|---|---|
| CN103306163A (en) | 2013-09-18 |
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