CN102154893A - Hydrodynamic inclined-wire stock discharge box - Google Patents
Hydrodynamic inclined-wire stock discharge box Download PDFInfo
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- CN102154893A CN102154893A CN 201110051340 CN201110051340A CN102154893A CN 102154893 A CN102154893 A CN 102154893A CN 201110051340 CN201110051340 CN 201110051340 CN 201110051340 A CN201110051340 A CN 201110051340A CN 102154893 A CN102154893 A CN 102154893A
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- head box
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Abstract
The invention discloses a hydrodynamic inclined-wire stock discharge box. The stock discharge box is arranged above an inclined wire part of an inclined wire machine, and comprises an adjusting mechanism, a box, a supporting seat, more than two groups of damping elements, more than one set of transverse-amplitude water diluting device and more than one set of section amplifying device, wherein the box is connected to the upper part of the supporting seat through a flange; the lower part of the supporting seat is arranged on an inclined wire frame through a hinge; and under the action of external force, the stock discharge box is rotated, and the angle of the stock discharge box and the distance between the stock discharge box and the inclined wire part are adjusted. The hydrodynamic inclined-wire stock discharge box can be applied to single-layer sizing and multi-layer sizing, is particularly suitable for the inclined wire machine, and has the advantages of compact structure, small floor area, easiness and convenience for operation and the like. The hydrodynamic inclined-wire stock discharge box can be used for manufacturing long fibered pulp with low concentration together with an inclined wire former and producing special paper with high uniformity and high air permeability.
Description
Technical field
The present invention relates to the paper industry field, be specifically related to the oblique net head box of a kind of waterpower formula, can be used for cooperating the special paper kind of manufacturing paper with pulp with oblique net former.
Background technology
Utilize non-plant fibres such as mineral fibres, metal fibre and synthetic fiber, or join with string and to copy, or manufacture paper with pulp separately, can be ferreted out many functional paper, can satisfy the different demand of industry-by-industry with premium properties.
Be used to copy the non-plant fibre or the certain plants long fiber of paper, length is big (Gao Zheke reaches tens millimeters), common non-plant fibre has hydrophobicity again, thereby the pulp suspension that contains non-plant fibre needs high dilution (to the low concentration of 0.02%-0.08%), could obtain fine dispersion and paper sheet formation.Long stapled low shaping concentration means when copying paper need slough a large amount of water, thereby slice opening certainly will produce the shaping water layer that reaches 40-150mm deeply on the net, and this just makes the forming table control of long mesh paper making machine become difficult.For controlling this current effectively, net cage needs limit plate washer and other locking device.Tiltedly the net former is developed for addressing these problems just, and the page of making on oblique net former with low underflow material is shaped good usually, and quality is very even.
The production of at present a lot of speciality papers is all carried out on oblique net paper machine, and tiltedly the net former need be equipped with the purpose that suitable oblique net head box reaches production.
The patent No. is the head box that the utility model patent file of ZL200620041385.7d discloses a kind of oblique net paper machine wet end, comprise that casing with head box is bearing in the basis seat on the basis and is connected basic the hinges parts with the head box casing, the head box casing is provided with the jet apparatus more than at least one cover.This head box belongs to open headbox, and the restriction of certain condition is arranged in use: when (1) slurry passes through head box, have one side to be communicated with atmosphere, have a free slurry face, therefore only be fit to the middle oblique net of low speed; (2) the suitable proportion fiber consistent with water of manufacturing paper with pulp should not be selected for use for proportion and the big fiber of water difference because slurry during by the higher Surfing Zone of liquid level slurry speed slowly easily cause the fiber come-up that fleeces is poly-and proportion is different or sink.
Summary of the invention
The object of the present invention is to provide the oblique net head box of a kind of waterpower formula, can overcome the deficiency of the oblique net head box of open type, cooperating oblique net former, is raw material with the long fiber pulp of low concentration, manufactures paper with pulp out on oblique net paper machine that single or multiple lift evenness is good, air permeability is high, has the paper of specific (special) requirements.
The oblique net head box of waterpower formula provided by the invention is installed in the top of oblique net paper machine oblique-net part.The oblique net head box of described waterpower formula comprises that casing, governor motion, damping element, banner dilution water device, joint expand device and bearing, and casing is fixed on the bearing, and two groups of above damping elements are installed in the casing; Described casing is made of top lip of slice, top board, base plate, aulaeum, left plate and right plate; What joint expanded that device is fixed on casing advances to starch side; Governor motion is fixed on the casing top lip of slice; Banner dilution water device is fixed on roof box; Casing is connected bearing top by flange, and the bearing bottom is installed on the oblique net frame by hinge, rotates head box by external force, adjusts the angle of head box and the spacing of head box and oblique-net part.
The oblique net head box of waterpower formula is installed in the top of oblique net paper machine oblique-net part, both can the individual layer starching, and again can the multilayer starching.
Above-mentioned governor motion is made of worm and gear device and connecting axle, and the number of worm and gear is that the width according to head box decides, and overlaps the worm and gear device more and links to each other by a connecting axle; Connecting axle transmission side one end links to each other with motor, and fore side one end is a handwheel, and endless screw apparatus links to each other with the top lip of slice of head box by hinge, rotates the whole aperture that can regulate lip by motor or handwheel.
Casing top lip of slice and top board are connected through the hinge, and utilize the lip aperture that governor motion can the up-down adjustment head box; Be welded with the interpolation of banner dilution water, mixing arrangement under the top board, the relevant position has connecting hole on the top board; Aulaeum links to each other with base plate by flange, and aulaeum is equipped with sealing strip on whole width, prevents that slurry from spilling from the gap of aulaeum and ring network; Top board, base plate and aulaeum link to each other with left and right side plate by flange hole, and the approaching place of left and right side plate and wet end is equipped with rubber slab, and rubber slab is pressed on the net by spring, prevent that slurry from flowing away from the both sides of net.Bearing top is connected by flange with casing, and the bearing bottom is installed on the oblique net frame by hinge, can rotate head box by external force, and the angle of adjustment head box reaches the spacing with oblique-net part.The quantity of bearing is relevant with the width of head box, is evenly distributed in the bottom of head box, plays a part to support and adjust head box.
Above-mentioned damping element is spliced successively by a plurality of stepped diffusers, and its height is consistent with the height and the width of head box casing with width; The stepped diffuser first-half is the circular hole of band tapering, and back one joint is the square hole of band tapering, and range of taper is 1 °～10 °.Stepped diffuser is covered with casing along the height and the width of head box, and in fact damping element plays the effect of even cloth slurry.
Above-mentioned damping element stream slurry direction along every layer of slurry when the multilayer starching is separated by dividing plate, and dividing plate is the sheet that wafts near the position of wet end.
Above-mentioned banner dilution water device is made of side's awl water inlet manifold, flexible pipe, valve and water inlet arm, the quantity of water inlet arm is by the width decision of head box, side's awl water inlet manifold connects with the water inlet arm by flexible pipe, and thread connection is passed through in the water inlet arm hole corresponding with top board; In water inlet manifold and water inlet control valve is housed in the middle of the arm, can be according to the dilution water yield that becomes in each arm of paper cross direction ration profile adjustment, thus guarantee into paper cross direction ration distributing equilibrium.
Above-mentioned joint expand device by advance to starch arm, semicircle pipe, shrouding and side seal board constitute up and down, joint expands device and is connected with the head box casing by flange; Advance to starch the arm pipe corresponding and link to each other, advance to starch the quantity of arm and diameter and decide by width, paper machine speed and the paper basis weight of head box with isobaric pulp distributor.
When being used for the individual layer starching, the oblique net head box of waterpower formula of the present invention is provided with two groups of damping elements, a cover banner dilution water device and a cover joint and expands device.During the multilayer starching, every layer of slurry cover joint of all flowing through expands device, and in the casing between the multilayer slurry longshore current slurry direction separate the two groups of damping elements of all will flowing through during every layer of slurry sizing by dividing plate; Dividing plate is the sheet that wafts near the position of wet end, can fluctuate with the fluctuation of slurry pressure, thus the isostasy of regulating the multilayer slurry; When double-deck starching and multilayer starching, banner dilution water device only advances slurry and bottom at surface layer and advances to starch a cover is respectively arranged, and is separately fixed on roof box and the base plate.
Compared with prior art, the present invention has the following advantages:
(1) the oblique net head box of waterpower formula of the present invention both can the individual layer starching, again can the multilayer starching, can realize the proportioning that the paper two sides is different, individual layer speciality paper or multilayer speciality paper are suitable for manufacturing paper with pulp, and the banner dilution water device of paper surface layer and bottom is used to regulate the cross direction ration distributing equilibrium, and the page of manufacturing paper with pulp out has good evenness and air permeability;
(2) the oblique net head box of waterpower formula of the present invention is fixed on bearing top by flange, the bearing bottom is installed on the oblique net frame by hinge, can guarantee has identical inclination angle with oblique net, when the angle of oblique net changes, the angle of head box can change thereupon, the starching angle can be in 0 ° ~ 30 ° scopes step-less adjustment;
(3) compare with open type waterpower head box, there is not free slurry face in the oblique net head box of waterpower formula of the present invention, can overcome long fiber shaping problem, is fit to the oblique net of the various speed of a motor vehicle, the satisfactory special paper of can manufacturing paper with pulp out;
(4) the oblique net headbox structure of waterpower formula of the present invention compactness, floor space is few, and is easy and simple to handle.
Description of drawings
Fig. 1 is the structural representation of the oblique net head box of individual layer waterpower formula of the present invention.
Fig. 2 is the structural representation of head box casing internal damping element shown in Figure 1.
Fig. 3 is the structural representation of the oblique net head box of the double-deck waterpower formula of the present invention.
The specific embodiment
The present invention is further detailed explanation below in conjunction with accompanying drawing, but the invention is not restricted to this.
Manufacturing paper with pulp of embodiment oblique net head box of 1 individual layer waterpower formula and dry bag paper
As shown in Figure 1, the oblique net head box of individual layer waterpower formula is made of governor motion 1, side plate 2, top lip of slice 3, aulaeum 4, damping element 5, top board 6, base plate 7, banner dilution water device 8, joint expansion device 9 and bearing 10.Joint expansion device 9 is fixed on casing and advances to starch side; Governor motion 1 is fixed on the casing top lip of slice 3; Banner dilution water device 8 is fixed on the roof box 6; Casing is connected the top of bearing 10 by flange, and the bearing bottom is installed on the oblique net frame by hinge, rotates head box by external force, adjusts the angle of head box and the spacing of head box and oblique-net part.
As shown in Figure 2, damping element is spliced successively by a plurality of stepped diffusers, and the first-half of stepped diffuser is the circular port of band tapering, and back one joint is the square hole of band tapering, and tapering is 5 °.
With concentration is that 0.05% the needlebush chemical pulp dry bag paper of manufacturing paper with pulp is example, and the oblique net angle of oblique net paper machine is 15 °, and the speed of a motor vehicle is 130m/min.Slurry is after advance to starch arm and enter joint and expand device, in joint expansion device, evenly mix, flow into damping element then, it is poly-that damping element produces turbulence loosen collagen fibre wadding, slurry evenly mixes with the plain boiled water that comes from banner dilution water device simultaneously, after slurry is further disperseed, pressure, the uniform slurry of the speed Top wire former that progressively dewaters in the labial lamina district.Head box is rotated in manual operation, and the angle of adjusting head box is with tiltedly the net angle is consistent, and adjusts head box and closely contact with oblique the net, and the dry bag paper of manufacturing paper with pulp out has good evenness and higher air permeability.
When oblique net angle changed, the angle of head box changed thereupon, the starching angle can be 0 ° ~ 30 ° scopes in step-less adjustment, guarantee that head box has identical inclination angle with oblique net.
Above-mentioned process conditions are constant, and when the oblique net angle of oblique net paper machine was 20 °, by driven by motor rotation head box, the angle of adjusting head box was consistent with oblique net angle, and adjusted head box and combine closely with oblique net, and the dry bag paper evenness of manufacturing paper with pulp out is good.
Manufacturing paper with pulp of embodiment oblique net head box of 2 double-deck waterpower formulas and tea filter paper
As shown in Figure 3, the oblique net head box of double-deck waterpower formula by governor motion 1, side plate 2, top lip of slice 3, aulaeum 4, damping element 5, top board 6, base plate 7, banner dilution water device 8, joint expand device 9, bearing 10, waft sheet 11 and dividing plate 12 constitute.The difference of itself and individual layer waterpower formula head box is that mainly joint expands device, banner dilution water device is two covers, and the banner dilution water device of upper strata slurry is fixed on roof box; The banner dilution water device of lower floor's slurry is fixed on box bottom; Damping element respectively has two groups along the direction of advancing to starch of each layer slurry, and two-layer slurry is separated by dividing plate, and dividing plate is the sheet that wafts near the position of wet end, can fluctuate with the fluctuation of slurry pressure, thus the isostasy of regulating two-layer slurry.
The upper strata slurry is that concentration is 0.06% needlebush chemical pulp, and lower floor's slurry is 0.04% chemical synthetic fiber slurry, and the oblique net angle of oblique net paper machine is 30 °, and the speed of a motor vehicle is 130m/min, the tea filter paper of manufacturing paper with pulp.Two-layer slurry is respectively after wait compress slurry house steward to enter into the two-layer slurry of slurry arm to enter each self-corresponding joint and expand device, in joint expansion device, carry out primary even mixing respectively, flow through respectively then and starch two groups of damping elements of layer separately, it is poly-that damping element produces turbulence loosen collagen fibre wadding, slurry evenly mixes with the plain boiled water that comes from banner dilution water device simultaneously, after slurry is further disperseed, pressure, the uniform slurry of the speed Top wire former that progressively dewaters in the labial lamina district.By driven by motor rotation head box, the angle of adjusting head box is consistent with oblique net angle, and adjusts head box and combine closely with oblique net, and the tea filter paper evenness of manufacturing paper with pulp out is good, and its space has good percent opening and hole shape.
Above-mentioned process conditions are constant, when the oblique net angle of oblique net paper machine is 25 °, rotate head box by driven by motor, the angle of adjusting head box is with tiltedly the net angle is consistent, and adjusting head box combines closely with oblique net, the tea filter paper evenness of manufacturing paper with pulp out is good, and its space has good percent opening and hole shape.
During the multilayer starching, every layer of slurry cover joint of all will flowing through expands device, advances to starch and has banner dilution water device but have only surface layer to advance slurry and bottom, and be separately fixed on roof box and the base plate; Still separated by dividing plate between every layer of slurry in the casing, during every layer of slurry sizing, the damping element of flowing through is two groups.
Claims (8)
1. the oblique net head box of waterpower formula comprises that casing, governor motion, damping element, banner dilution water device, joint expand device and bearing; Casing is fixed on the bearing, and two groups of above damping elements are installed in the casing; Described casing is made of top lip of slice, top board, base plate, aulaeum, left plate and right plate; What joint expanded that device is fixed on casing advances to starch side; Governor motion is fixed on the casing top lip of slice; Banner dilution water device is fixed on roof box; It is characterized in that: described casing is connected bearing top by flange, and the bearing bottom is installed on the oblique net frame by hinge.
2. the oblique net head box of waterpower formula according to claim 1, it is characterized in that: described damping element is spliced successively by a plurality of stepped diffusers, described stepped diffuser first-half is the circular hole of band tapering, and back one joint is the square hole of band tapering, and range of taper is 1 °～10 °.
3. the oblique net head box of waterpower formula according to claim 2 is characterized in that: described damping element has two groups along advancing to starch direction when the individual layer starching, and the stream slurry direction along each layer of casing slurry when the multilayer starching respectively has two groups.
4. the oblique net head box of waterpower formula according to claim 2 is characterized in that: the height of described stepped diffuser is consistent with the height and the width of casing with width, and the height and the width of stepped diffuser longshore current slurry box body are covered with casing.
5. the oblique net head box of waterpower formula according to claim 1 is characterized in that: described banner dilution water device is a cover when the individual layer starching, only advances slurry and bottom at surface layer and advance to starch a cover is respectively arranged when double-deck starching and multilayer starching.
6. the oblique net head box of waterpower formula according to claim 1 is characterized in that: it is a cover when the individual layer starching that described joint expands device, and each layer slurry respectively has a cover when the multilayer starching.
7. the oblique net head box of waterpower formula according to claim 1 is characterized in that: described damping element is two groups when the individual layer starching, and the stream slurry direction along each layer slurry when the multilayer starching respectively has two groups.
8. the oblique net head box of waterpower formula according to claim 1 is characterized in that: described damping element stream slurry direction along every layer of slurry when the multilayer starching is separated by dividing plate, and dividing plate is the sheet that wafts near the position of wet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110051340 CN102154893A (en) | 2011-03-04 | 2011-03-04 | Hydrodynamic inclined-wire stock discharge box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110051340 CN102154893A (en) | 2011-03-04 | 2011-03-04 | Hydrodynamic inclined-wire stock discharge box |
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| CN102154893A true CN102154893A (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110051340 Pending CN102154893A (en) | 2011-03-04 | 2011-03-04 | Hydrodynamic inclined-wire stock discharge box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106889652A (en) * | 2017-02-20 | 2017-06-27 | 云南中烟再造烟叶有限责任公司 | A kind of high bulk, highly-breathable reconstituted tobacco moulding process and system |
| CN107385987A (en) * | 2017-09-15 | 2017-11-24 | 宁波华辰机械有限公司 | A kind of inclined wire paper making equipment |
| CN108660846A (en) * | 2018-04-24 | 2018-10-16 | 华南理工大学 | A kind of multi-angle adjustable slope screen former and its angle regulation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4381219A (en) * | 1981-05-14 | 1983-04-26 | Escher Wyss Gmbh | Headbox arrangement for a papermaking machine |
| WO1998023812A1 (en) * | 1996-11-26 | 1998-06-04 | Valmet Corporation | Multi-layer headbox for a paper machine/board machine |
| CN2923791Y (en) * | 2006-04-27 | 2007-07-18 | 上海轻良实业有限公司 | Pulp-flowing box of inclined-net paper machine wet part |
| CN201746727U (en) * | 2010-08-09 | 2011-02-16 | 河南省江河纸业有限责任公司 | High speed paper machine headbox |
| CN201981435U (en) * | 2011-03-04 | 2011-09-21 | 华南理工大学 | Hydraulic inclined net stock discharge box |
-
2011
- 2011-03-04 CN CN 201110051340 patent/CN102154893A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4381219A (en) * | 1981-05-14 | 1983-04-26 | Escher Wyss Gmbh | Headbox arrangement for a papermaking machine |
| WO1998023812A1 (en) * | 1996-11-26 | 1998-06-04 | Valmet Corporation | Multi-layer headbox for a paper machine/board machine |
| CN2923791Y (en) * | 2006-04-27 | 2007-07-18 | 上海轻良实业有限公司 | Pulp-flowing box of inclined-net paper machine wet part |
| CN201746727U (en) * | 2010-08-09 | 2011-02-16 | 河南省江河纸业有限责任公司 | High speed paper machine headbox |
| CN201981435U (en) * | 2011-03-04 | 2011-09-21 | 华南理工大学 | Hydraulic inclined net stock discharge box |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106889652A (en) * | 2017-02-20 | 2017-06-27 | 云南中烟再造烟叶有限责任公司 | A kind of high bulk, highly-breathable reconstituted tobacco moulding process and system |
| CN107385987A (en) * | 2017-09-15 | 2017-11-24 | 宁波华辰机械有限公司 | A kind of inclined wire paper making equipment |
| CN107385987B (en) * | 2017-09-15 | 2023-08-04 | 宁波华辰机械有限公司 | Inclined wire papermaking equipment |
| CN108660846A (en) * | 2018-04-24 | 2018-10-16 | 华南理工大学 | A kind of multi-angle adjustable slope screen former and its angle regulation method |
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Application publication date: 20110817 |