CN102551186B - Technique and device for dry formation of low basis weight fluff pulp and capable of eliminating electrostatic flocculation - Google Patents
Technique and device for dry formation of low basis weight fluff pulp and capable of eliminating electrostatic flocculation Download PDFInfo
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- CN102551186B CN102551186B CN201110417376.9A CN201110417376A CN102551186B CN 102551186 B CN102551186 B CN 102551186B CN 201110417376 A CN201110417376 A CN 201110417376A CN 102551186 B CN102551186 B CN 102551186B
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Abstract
The invention provides a technique and a device for dry formation of low basis weight fluff pulp and capable of eliminating electrostatic flocculation. The technique for dry formation of low basis weight fluff pulp and elimination of electrostatic flocculation within a quantitative range of from 15g/m2 to 30g/m2, a high-mesh-number woven copper net serving as a formation net is used with an electrostatic elimination device to produce a fluff pulp fiber underlayer of reconstructed tobacco, uniform formation is facilitated, electrostatic elimination is facilitated, and transfer and removal of the formed underlayer fibers from the formation net are facilitated. The technique and the device are characterized in that the formation net is a woven endless net of metal wires, zero potential nets are square-hole static-eliminated nets respectively and horizontally disposed at the top and the bottom of a cylindrical screen, and a frame grounding system is an independent equipotential system using a frame as zero potential.
Description
Technical field
The present invention relates to a kind of electrostatic flocculation poly-low quantitative Time of Fluff Slurry dry-press process technology and device removed, be specially on the needle leaved wood napped pulp fibres moulded head of dry type tobacco sheets by paper making method production equipment, technology and the device of low quantitative moulding and the poly-phenomenon of elimination electrostatic flocculation, the reconstituted tobacoo production technical field of genus cigarette industry.
Background technology
Reconstituted tobacco (claiming again reconstituted tobacoo) is as the stuffing of cigarette product, it is the important component part of cigarette composition, it can replace tobacco leaf to use on the one hand, save raw tobacco material, the service efficiency that effectively reduces natural tobacco leaf composition in cigarette, raising tobacco leaf resource, contributes to the raising of cigarette interior quality.
Dry type paper-making method recreated tobacco is through extraction by raw materials such as crumbled tobacco, offal, tobacco powder, isolate the insoluble matter such as extract and extraction slag, the operations such as extraction slag economy-combat loose powder is broken, screening, oven dry, make substrate raw material, on dry method of paper-making machine, utilize air bells laid method again, in conjunction with additional needle leaved wood napped pulp fibres and other effective ingredient substrate of manufacturing paper with pulp out, then the also raw material such as medicinal extract of reason extract modulation of coating on substrate, dry, point cut into reconstituted tobacoo finished product.Substrate manufacture paper with pulp with forming process because of the adding method of raw material different, known have layer-stepping to add and hybrid interpolation two classes, layer-stepping adding method be first on forming web air bells laid go out Time of Fluff Slurry bottom (claim again load hold layer), on this bottom, successively add again the raw materials such as extraction slag, adhesive, top layer and make substrate, if Japan tobacco Inc is in the method as described in the patent of invention " reconstituted tobacoo and manufacture method thereof and manufacturing system " (application number: 00808488.2 applying date: 2000.06.02) of China's application, hybrid interpolation is after first fluff pulp fibers fully being mixed with raw material such as extraction slag etc., send into in the lump the moulding of net type overdraught, as the disclosed method of Chinese invention patent " a kind of dry type paper-making method recreated tobacco and production method thereof " (application number: 200810030146.5 applyings date: 2008.08.08), the weak point of the method is: granular extraction slag starch and fluff pulp fibers weight and physical form difference is between the two larger, the form difference manifesting in moulding air-flow is large, the distributed pole that occurs extraction slag and outer fiber in actual forming process on moulding wire side is inhomogeneous, the problems such as the loss of extraction slag starch is many.
The key of layer-stepping adding method is the fluff pulp fibers bottom forming technique of (claiming again load to hold layer), the Time of Fluff Slurry using due to dry method of paper-making industry is the fiber of length >=2mm, after moulding paper product quantitatively >=45g/ ㎡, the even > 6mm of chemical fibre length that Nonwovens industry is used, its forming web is selected 40～60 object polyester webs.Due to reconstituted tobacco requires additional fluff pulp fibers can only be within the scope of 15～30g/ ㎡, if the forming technique simply dry method of paper-making being adopted and device refer to the bottom moulding aspect of reconstituted tobacco, can produce following problem: 1. bottom difficult forming, particularly fiber distributes and does not reach index request, in the process of manufacturing paper with pulp, fiber loss is many, quantitatively restive; 2. fluff pulp fibers, in air flow settlement forming process, because of reasons such as frictional static, polyester webs induction static, makes the fiber distributed pole of moulding on wire side inhomogeneous, wads a quilt with cotton and gather seriously, the slurry group quantity severe overweight of wadding a quilt with cotton poly-in unit are.Quantitatively lower, problem is more outstanding, or even cannot moulding; 3. adopt sprinkling antistatic additive elimination electrostatic methods to be unsuitable for again the additional raw material standard requirement of control of reconstituted tobacco; 4. the fluff pulp fibers bottom after moulding shifts and peels off difficulty from forming web, washes net difficulty large, has affected the service life of forming web.
Chinese utility model patent " a kind of composite dry-papermaking machine " (application number: 01252096.9 applying date: 2001-10-10) is disclosed produces in gummed, heat seal or compound dust-free paper production line, patent of invention " a kind of manufacture method of dust-free paper " (application number: 200710038476.4 applyings date: 2007-03-26) and the disclosed content of " a kind of former for dust-free paper production line " (application number: 200810198433.7 applyings date: 2008-09-08), does not relate to the scheme content solving with the problems referred to above.
Summary of the invention
The present invention is directed to problem described in background technology, a kind of electrostatic flocculation poly-low quantitative Time of Fluff Slurry dry-press process technology and device eliminated proposed, that a kind of quantitative scope is the low quantitative Time of Fluff Slurry dry-press process of 15～30g/ ㎡ and eliminates the poly-technology of electrostatic flocculation, its forming web adopts high order to count rib and knits copper mesh, in conjunction with static eraser, produce the fluff pulp fibers bottom of reconstituted tobacco, the bottom fiber that be conducive to uniform in shaping, be conducive to eliminate static, is conducive to after moulding shifts and peels off from forming web.
Technical scheme of the present invention is, can eliminate the poly-low quantitative Time of Fluff Slurry dry-press process device of electrostatic flocculation, it is the poly-device of the elimination electrostatic flocculation of a kind of quantitative scope in the time of the low quantitative Time of Fluff Slurry dry-press process in 15～30g/ ㎡ interval, comprise frame, drum sieve, forming web, swash plate, carrying roller, zero potential net, rack earth system, it is characterized in that: described forming web is that the wire rib of 90～120 orders, diameter 0.07～0.08mm is knitted net for no reason; Described zero potential net is that the square hole being woven by stainless steel wire that level is arranged on drum sieve top and bottom respectively destatics net; Described rack earth system is the independent equipotential system take frame as zero potential; The stainless steel wire diameter 2～3mm of described zero potential net, the mesh length of side 40～60mm, upper and lower zero potential net level is installed, corresponding to described drum sieve upper and lower part shell vertical range 150～210mm; Described rack earth system comprises and being connected with frame and the independent grounding net of earth resistance < 4 Ω; Between zero potential net and frame, between swash plate and frame, having at least one is the equipotential interlinkage that copper pigtail is made; On drum sieve, forming web, carrying roller, being also separately installed with frame is the metal equipotential connection contact of sliding-contact.
The invention has the beneficial effects as follows: utilize the above-mentioned poly-low quantitative Time of Fluff Slurry dry-press process device of electrostatic flocculation of eliminating, produce quantitative scope in the time of the Time of Fluff Slurry fabric in 15～30g/ ㎡ interval, because the net for no reason that adopts 90～120 order wire ribs to knit is as forming web, equipotential conductor take frame as zero potential, by frame and one independently, the grounded screen of earth resistance < 4 Ω connects, zero potential net, swash plate, drum sieve, on forming web and carrying roller, being separately installed with frame is to be fixedly connected with, or the metal equipotential connection contact of sliding-contact, can effectively the electrostatic charge forming in fluff pulp fibers be neutralized by frame and the earth zero potential, the uniformity that is conducive to low quantitative fluff pulp fibers dry-press process improves, be conducive to eliminate the elimination that produces static in forming process, the bottom fiber being conducive to after moulding shifts and peels off from forming web.
Accompanying drawing explanation
Accompanying drawing 1 is the fluff pulp fibers bottom former schematic diagram of embodiment of the present invention dry type reconstituted tobacco;
Accompanying drawing 2 is carrying roller schematic diagram.
The specific embodiment
Description of symbols in accompanying drawing: in accompanying drawing 1～accompanying drawing 2,1-frame, 2-independent grounding net, 3-rib is knitted wire netting, 4-carrying roller, 5-drum sieve, 6-upper grounded screen, 7-lower grounded screen, 8-copper pigtail, 9-air-supply arrangement, 10-shaping box, 11-vacuum tank, 12-net washing device, 13-swash plate.
Below in conjunction with accompanying drawing, the embodiment of the present invention is further illustrated: with reference to accompanying drawing 1, electrostatic flocculation poly-low quantitative Time of Fluff Slurry dry-press process technology and the device eliminated disclosed by the invention, to adapt to the low quantitative Time of Fluff Slurry dry-press process of quantitative scope 15～30g/ ㎡ and eliminate the poly-technology of electrostatic flocculation, in conjunction with static eraser, produce the fluff pulp fibers bottom of reconstituted tobacco, comprise frame 1, drum sieve 5, forming web 3, swash plate 13, carrying roller 4, zero potential net (6, 7) and independent grounding net 2, forming web 3 is nets for no reason that wire rib is knitted, be arranged under shaping box 10, mesh=(90～120) order, wire is copper wire or stainless steel wire, string diameter=(0.07～0.08) mm, zero potential net (6,7) level is arranged on the upper and lower part of drum sieve 5, corresponding to drum sieve 5 shell vertical range H=(150～210, upper and lower part) mm, zero potential net (6,7) is the square hole net of stainless steel wire braiding, stainless steel wire diameter=(2～3) mm, the mesh length of side=(40～60) mm.
Rack earth system is the independent equipotential system take frame 1 as zero potential, comprise and being connected with frame 1 and the independent grounding net 2 of earth resistance < 4 Ω, independent grounding net 2 and existing forceful electric power or weak electricity system grounded screen are without electric connection point or share, and have at least one copper pigtail 8 tie point between independent grounding net 2 and frame 1.Between zero potential net (6,7) and frame 1, between swash plate 13 and frame 1, having at least one is the equipotential interlinkage that copper pigtail 8 is made; On drum sieve 5, forming web 3, carrying roller 4, being also separately installed with frame 1 is the metal equipotential connection contact of sliding-contact.
The present invention can eliminate the poly-low quantitative Time of Fluff Slurry dry-press process technology of electrostatic flocculation, that a kind of quantitative scope is the low quantitative Time of Fluff Slurry dry-press process of 15～30g/ ㎡ and eliminates the poly-technology of electrostatic flocculation, different from 45g/ ㎡ and above quantitative Time of Fluff Slurry dry-press process device in production process: the net for no reason that forming web adopts 90～120 order wire ribs to knit, rather than the polyester webs of 60 orders left and right; Build one take frame 1 as earthy equipotential conductor, frame 1 with one independently, the grounded screen of earth resistance < 4 Ω is connected, on zero potential net (6,7), swash plate 13, drum sieve 5, forming web 3 and carrying roller 4, be separately installed with frame 1 is the metal equipotential connection contact of fixing or sliding-contact, in fluff pulp fibers bottom forming process, the electrostatic charge forming in fluff pulp fibers is neutralized by frame and the earth zero potential.
In production process, fluff pulp fibers raw material is fed into from 5 liang of crosswind of drum sieve, after the interior further dispersion of drum sieve 5 through the swabbing action of topmost air-supply arrangement 9 and bottom vacuum tank 11, fibrous raw material is through zero potential net, uniform settlement is on forming web 3, and forming web 3 is continuously when motion, continuously evenly moulding of fibrous raw material, take shaping box out of, become the bottom raw material of the substrate of reconstituted tobacco.
The present invention can eliminate electrostatic flocculation poly-low quantitative Time of Fluff Slurry dry-press process technology and device, the constant temperature and humidity technical scheme of binding fiber raw material, supply air system, can guarantee to greatest extent the low quantitative and even moulding of fluff pulp fibers bottom, effectively eliminate static in production process, the bottom fiber being conducive to after moulding shifts and peels off from forming web.
Claims (1)
1. can eliminate the poly-low quantitative Time of Fluff Slurry dry-press process device of electrostatic flocculation, be the poly-device of the elimination electrostatic flocculation of a kind of quantitative scope in the time of the low quantitative Time of Fluff Slurry dry-press process in 15～30g/ ㎡ interval, comprise frame, drum sieve, forming web, swash plate, carrying roller, zero potential net, rack earth system; It is characterized in that: described forming web is that the wire rib of 90～120 orders, diameter 0.07～0.08mm is knitted net for no reason; Described zero potential net is that the square hole being woven by stainless steel wire that level is arranged on drum sieve top and bottom respectively destatics net; Described rack earth system is the independent equipotential system take frame as zero potential; The stainless steel wire diameter 2～3mm of described zero potential net, the mesh length of side 40～60mm, upper and lower zero potential net level is installed, corresponding to described drum sieve upper and lower part shell vertical range 150～210mm; Described rack earth system comprises and being connected with frame and the independent grounding net of earth resistance < 4 Ω; Between zero potential net and frame, between swash plate and frame, having at least one is the equipotential interlinkage that copper pigtail is made; On drum sieve, forming web, carrying roller, being also separately installed with frame is the metal equipotential connection contact of sliding-contact.
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| CN201110417376.9A CN102551186B (en) | 2011-12-14 | 2011-12-14 | Technique and device for dry formation of low basis weight fluff pulp and capable of eliminating electrostatic flocculation |
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| CN201110417376.9A CN102551186B (en) | 2011-12-14 | 2011-12-14 | Technique and device for dry formation of low basis weight fluff pulp and capable of eliminating electrostatic flocculation |
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| CN102551186B true CN102551186B (en) | 2014-05-21 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103222676B (en) * | 2013-04-28 | 2015-05-20 | 湖南中烟工业有限责任公司 | Method for manufacturing reconstituted tobacco substrate by using dry method of paper making |
| CN103230090B (en) * | 2013-04-28 | 2015-06-10 | 湖南中烟工业有限责任公司 | Manufacturing method and production device for tobacco sheets |
| CN103315376B (en) * | 2013-04-28 | 2016-04-06 | 湖南中烟工业有限责任公司 | The method of the reconstituted tobacco substrate that a kind of dry method of paper-making method manufactures |
| CN103783653A (en) * | 2014-03-07 | 2014-05-14 | 广东省金叶科技开发有限公司 | Substrate forming device for producing reconstituted tobaccos through dry paper-making method |
| CN104473318B (en) * | 2014-12-03 | 2017-01-18 | 湖北中烟工业有限责任公司 | Harm-reducing and tar-lowering recombined tobacco and producing method thereof |
| CN107881563B (en) * | 2017-12-15 | 2023-05-12 | 常熟市百联自动机械有限公司 | Velvet stabilizing box |
| CN110652028A (en) * | 2018-06-29 | 2020-01-07 | 共青城道乐投资管理合伙企业（有限合伙） | Dry-process reconstituted tobacco, and dry-process reconstituted tobacco production method and equipment |
| CN110616592B (en) * | 2019-08-26 | 2021-05-25 | 山东顺康卫生用品有限公司 | Fluff pulp production equipment of softwood extract for inner cushion layer of sanitary towel |
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Owner name: GUANGDONG JINYE TECHNOLOGY DEVELOPMENT CO., LTD. Free format text: FORMER NAME: GUANGDONG GOLD LEAF TOBACCO SHEET TECHNOLOGY DEVELOPMENT CO., LTD. |
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Address after: 515100 Guangdong Province, Shantou city Chaoyang District Jinke Road Patentee after: Guangzhou Jinye Science & Technology Development Co., Ltd. Address before: 515100 Guangdong Province, Shantou city Chaoyang District Jinke road Deming Industrial Zone Patentee before: Guangdong Jinye Tobacco Sheet Technology Development Co., Ltd. |