CN1043184C - Method and equipment of blending moistening fibre into rolled tobacco sheet - Google Patents

Abstract

The present invention relates to a method and a device of blending moistening fibers into rolled tobacco sheets in tobacco industry production. The production method of the present invention comprises the steps that a fiberboard is first wetted and decomposed and then loosened after dehydration, and the fiberboard is fed in a mixing device quantitatively by fibers to be uniformly mixed with tobacco powder and an additive so as to be conveyed to a sheeter to make sheets. The fiberboard is wetted and decomposed in a fiber wet decomposition device, the dehydration is carried out in a fiber dehydration device, loosening is carried out in a fiber loosening device, and quantitative feed is realized by a fiber quantitative feeding device. After a thin sheet is cut, the thin sheet and tobacco leaves are shredded synchronously. The present invention has the advantages of unique method, advanced device, uniform blending, large tensile strength of the thin sheet, high utilization rate and good efficiency.

Description

The method and apparatus of blending moistening fibre into rolled tobacco sheet

The present invention relates to the method and apparatus of a kind of blending moistening fibre into rolled tobacco sheet of the regenerative raw materials reconstituted tobacoo that a kind of tobacco industry uses as production of cigarettes in producing.

Regenerative raw materials---rolling process reconstituted tobacco as the production of cigarettes use, for a long time, because it is unresolved that " fiber mix (hereinafter to be referred as adding fibre) amount on the low side " reaches " fiber mix with tobacco powder mix uniformity relatively poor " two problems, up to the present, what each thin slice manufacturing firm produced mostly is " no fiber " thin slice, the every physical performance index of thin slice is on the low side, can not satisfy the requirement of chopping synchronously aborning of thin slice and tobacco leaf, broken for reducing thin slice making in using, cigarette factory has to adopt the process of " chopping " (not cutting into slices) and " mixing after the baking ", the raising that this not only is helpless to sheet and shreds effective rate of utilization (existing only is 70%～80%) brings pipe tobacco and sheet and shreds to mix uneven new problem simultaneously again.

For improving the thin slice inherent quality and solving thin slice and the tobacco leaf requirement of chopping synchronously aborning, Japan has adopted the production method that adds wood pulp cellulose, add fine amount and surpass 10%, and thin slice section (not chopping) back and the synchronous chopping of tobacco leaf have been realized, mix homogeneity question and be not resolved yet but fiber mixes with tobacco powder, can see significantly still on its thin slice that sheet-like fiber group is arranged, effect is still undesirable.

In recent years, for improving the physical property leading indicator " tensile strength " of reconstituted tobacoo, domesticly also carried out the research of " dried add cigarette pole fiber mix to mix technology " with tobacco powder, add fine amount and also once reached 8%, but in view of the physical attribute of fiber and tobacco powder differs greatly, do not have the supporting dried fiber special equipment that adds again, can't solve at all and mix homogeneity question, the every physical index of thin slice improves little, and causing thin slice to add fine technology can't apply; For addressing this problem, China Tobacco Corporation in 1994 to national competitive bidding, wish to capture as early as possible this technical barrier.

Purpose of the present invention is exactly the method and apparatus that a kind of new blending moistening fibre into rolled tobacco sheet is provided at the actual needs of above-mentioned situation and reconstituted tobacoo production

The object of the present invention is achieved like this, change the existing dried production method that adds fiber into fiber and add the damp production method of mixing of mixing with tobacco powder, and adopt wet device, dewater unit, loose device, weigh feeder, mixing arrangement and the mixture conveying device of separating of supporting fiber to realize whole production method, be about to fiberboard through wetly separate, dewater, loosen, quantitatively feeding, mixing and mixture are delivered to pelleter and mix the reconstituted tobacoo that adds damp fiber to reach to produce, thereby satisfy the needs in the tobacco industry production.

The inventive method is simple, technology, equipment advanced person, and mix evenly thin slice section back and tobacco leaf chopping synchronously, and the thin slice tensile strength is big, and anti-to make broken ability strong, improved effective rate of utilization, saves tobacco leaf, the saving cost, the society and economy benefit is huge.

Below in conjunction with concrete condition the present invention is elaborated.

Fig. 1 is a production method process chart of the present invention.

Fig. 2 is the wet structure chart of separating device of the fiber among the present invention.

Fig. 3 is the fiber dewatering apparatus structure front view among the present invention.

Fig. 4 is the left view of fiber dewatering device.

Fig. 5 is the vertical view of fiber dewatering device.

Fig. 6 is the loose device front view of the fiber among the present invention.

Fig. 7 is a left side (or right) side view of the loose device of fiber.

Fig. 8 is the loose jar structure figure in the loose device of fiber.(amplification)

Fig. 9 is the fiber basis weight drawing-in device front view among the present invention.

Figure 10 is the left view of fiber basis weight drawing-in device.

Figure 11 is the vertical view of fiber basis weight drawing-in device.

Provided by Fig. 1, production method of the present invention is fiberboard to be wet earlier separate, dehydration again, after loosen, carry out pine through quantitative feeding with tobacco powder and liquid material and close, deliver to pelleter again and get final product.Said fiberboard is wood fibre board commonly used, wet separating is to carry out wet the separating in the device of fiber, dehydration is to carry out in the fiber dewatering device, loose is to carry out in the loose device of fiber, quantitatively feeding is to carry out in the fiber basis weight drawing-in device, mixing is to carry out in 96246647.6 " the reconstituted tobacoo fiber adds tide and tobacco powder mixing arrangement " at number of patent application, and delivering to pelleter is to be finished by mixture conveying device commonly used in the thin slice production.

Device of the present invention is made up of wet device, fiber dewatering device, the loose dress of fiber and the fiber basis weight drawing-in device separated of fiber.Also available artificial to hopper 52 feedings from discharging opening 43, also available conveyer belt utilizes mechanization production with conveyer belt, the efficient height.Equipment room can be formed production line.

Said wet separating is that fiberboard is put into the wet device of separating of fiber, injects clear water, soaks after 10 minutes, stirs 15 minutes, the fiberboard vegetables separated be fiber.Wet separating under normal wetting carried out, and its moisture content is 92%.

Said dehydration is that the aqueous fibre after wet the separating pushes through the fiber dewatering device at normal temperatures, makes its water wash rice go out dehydration, and after the dehydration, fiber moisture is 55-65%.

Said vegetables pine is to carry out vibration under the fiber normal temperature after the dehydration in fiber vegetables pine device and to discongest, make it become filament, deliver in tobacco powder, the liquid material mixing plant through the fiber basis weight drawing-in device and to carry out mixing and stirring with tobacco powder and liquid material, its mix is: the fiber in the thin slice material that is made of tobacco powder 85%, additive 3%, water 12% behind the adding vegetables pine, its ratio is a thin slice material 90%, fiber 10%.Additive is carboxymethyl cellulose (being a CMC) spices.So-called liquid material is meant the mixture of additive and water.In actual production, also can adopt disposable batching to mix, needn't form the thin slice material earlier and add fiber more in proportion, promptly adopt following proportioning to get final product (by weight):

Tobacco powder 76.5%, additive 2.7%, water 10.8%, fiber 10%.The content of tobacco powder, additive and water can change, but three's total amount accounts for 90%, and it is stable that fiber 10% content keeps.

Fig. 2 provides, fiber wets and separates its structure of device is that motor 3 is equipped with by bolt 4 in frame 1 top, belt pulley 5 is arranged on the motor reel, through with 7 with belt wheel 8 interlocks on the bearing 9 of upper rack on one side, the beam warp of belt wheel 8 connect cover 10 be contained in the tank body 12 and stretch out top detachable cap 11 stir rachis 13 upper ends, stir and stir leaf 14 on the rachis, water inlet pipe 2 is arranged on the detachable cap 11, ball valve 15 is arranged at the tank body bottom, and being with has belt housing 6 on 7.

Fig. 3,4,5 provide, its structure of fiber dewatering device is a housing 20, switch political loyalty apart from tapered helical axis 22, left bearing chamber component 18 and right bearing chamber component 23 are an integral body, be positioned on frame 34 tops through bearing with spherical outside surface 27 and bolt 28, housing 20 left upper ends are equipped with feed hopper 19, bottom righthand side is equipped with discharge bucket 30, water receiving tank 29 is installed in housing 20 belows, osculum 21 is arranged on the housing wall, the housing rear end is equipped with activity capping 24 and compression spring 25 and spring guide blot assembly 26, buncher 31 is contained in frame 34 tops through bolt 17, and big belt pulley 16 and bead apex 33 are with motor pulley 32 interlocks and reach traitorous apart from tapered helical axis 22.Housing 20 inside are the taper that reduces gradually from front to back, so that aqueous fibre is squeezed in the course of conveying in housing.

Provide by Fig. 6,7,8, loose its structure of device of fiber is that motor 47 is equipped with through bolt 46 in frame 44 tops, vegetables pine jar 36 (the seeing shown in Figure 6) that dislocation up and down stacks are equipped with screw 45 in its motor top on casing, be equipped with through nut 38, packing ring 39 and spacer 41 on the shaft 37 in the vegetables pine jar and stir leaf 40, shaft 37 is packed on the motor reel through jackscrew 42, loose jar of 36 oral areas have loam cake 35, and a loose jar bottom graduates from old-type opera school mouthfuls 43, and frame is other ladder 48.The multistage a plurality of dislocation up and down of vegetables pine jar employing are stacked, be to be used for material from top to bottom motion process in tank body, be subjected to variform one group and stir leaf 40 multi-level multi-faceted continuous vibrations and discongest, become the measured filament of matter, to meet the needs of production.

By Fig. 9,10,11 provide, its structure of fiber basis weight drawing-in device is that hopper 52 is equipped with on frame 53 tops, screw conveyor shaft 51 is installed on the hopper, conveying pipeline 50 and bearing assembly 49, conveying pipeline 50 lower-left ends have discharging opening 55, buncher 54 is installed in frame 53 bottoms by bolt assembly 59, chain defeated 58 is housed on the axle of buncher 54, through bushroller chain 57 with the 56 phase interlocks of the sprocket wheel on the screw conveyor shaft 51, leak into the equipment of next procedure from the discharging opening of conveying pipeline outer end, the output quantity of fiber can be set up in tobacco powder and the liquid material mixing plant by buncher stepless continuous speed change, mix the back and then deliver to pelleter, to finish the production of mixing the reconstituted tobacoo that adds damp fiber by the mixture conveying device.

This production method has broken through the dried fiber that adds of original production method for adding damp fiber, changed the physical property of fiber, increased the affinity of fiber to tobacco powder, realized both evenly mixing, but and thin slice section back and the synchronous chopping of tobacco leaf, the effective rate of utilization of sheet and shreds improves greatly, former tensile strength vertically＞300CN/mm ², laterally＞180CN/mm ², the tensile strength of product of the present invention vertically＞466CN/mm ², laterally＞279CN/mm ², tensile strength obviously improves.From the above, realization of the present invention, thin slice becomes a reality to make manufacturing " fibre be arranged ", and for laying a good foundation with the synchronous chopping of tobacco leaf the final thin slice section back of realizing, tensile strength owing to thin slice increases substantially simultaneously, make it anti-make broken ability and strengthen thereupon, the effective rate of utilization of thin slice by " adding fibre " preceding (70～80%) bring up to after " adding fibre " more than 90%; China has 160 tobacco sheet production line by rolling method now, produces thin slice 45 * 10 per year ⁶Kilogram calculates if on average improve 15% by effective rate of utilization, and can save tobacco leaf 7 * 10 every year ⁶Kilogram can produce 150 kilograms on tobacco leaf by every mu of ground, can make 46 * 10 ³The mu soil is moved back also farming of cigarette, and its social benefit and economic benefit all are very remarkable.

Claims (6)

1, a kind of method of blending moistening fibre into rolled tobacco sheet, it is characterized in that it being fiberboard to be wet earlier separate, dehydration again, after loosen, mix with tobacco powder and liquid material through quantitative feeding, deliver to pelleter again and get final product, said wet separating is that fiberboard is put into the wet device of separating of fiber, after clear water soaked 10 minutes, normal temperature stirred 15 minutes down, and making its moisture content is 92%; Said dehydration is that the aqueous fibre that wets after separating is squeezed, and moisture content is 55-65%; Said loosening is that the fiber after the dehydration is carried out vibration and discongest becoming filament in the loose device of fiber; Said mixing is the same tobacco powder of giving through weigh feeder of filament, the mixing that the liquid material carries out in mixing arrangement, and its mixing ratio is a thin slice material 90%, filament 10%.

2, realize the equipment of the described method of claim 1, it is characterized in that forming by wet device, fiber dewatering device, the loose device of fiber and the fiber basis weight drawing-in device separated of fiber.

3, equipment according to claim 2, it is characterized in that wet to separate device be that motor (3) is equipped with by bolt (4) in frame (1) top to fiber, belt pulley (5) is arranged on the motor reel, through being with (7) with belt wheel (8) interlock on the bearing (9) on upper rack one side, the beam warp of belt wheel (8) connect cover (10) be contained in the tank body (12) and stretch out top detachable cap (11) stir rachis (13) upper end, stir and stir leaf (14) on the rachis, water inlet pipe (2) is arranged on the detachable cap (11), ball valve (15) is arranged at the tank body bottom, on the band (7) belt housing (6) is arranged.

4, equipment according to claim 2, it is characterized in that the fiber dewatering device is housing (20), switch political loyalty apart from tapered helical axis (22), left bearing chamber component (18) and right bearing chamber component (23) are an integral body, be positioned on frame (34) top through bearing with spherical outside surface (27) and bolt (28), housing (20) left upper end is equipped with feed hopper (19), bottom righthand side is equipped with discharge bucket (30), water receiving tank (29) is installed in housing (20) below, osculum (21) is arranged on the housing wall, the housing right-hand member is equipped with activity capping (24) and compression spring (25) and spring guide blot assembly (26), buncher (31) is contained in frame (34) top through bolt (17), and big belt pulley (16) and bead apex (33) same motor pulley (32) interlock also reach the distance tapered helical axis (22) of switching political loyalty.

5, equipment according to claim 2, it is characterized in that the loose device of fiber is that motor (47) is equipped with through bolt (46) in frame (44) top, loose jar (36) that dislocation up and down stacks are housed on the casing, shaft (37) in jar is packed on the motor shaft, loose jar (a 36) oral area has loam cake (35), discharging opening (43) is arranged at a loose jar bottom, and there is ladder (48) on the frame side.

6, equipment according to claim 2, it is characterized in that the fiber basis weight drawing-in device is that hopper (52) is equipped with on frame (53) top, screw conveyor shaft (51), conveying pipeline (50) and bearing assembly (49) are installed on the hopper, conveying pipeline (50) lower-left end has discharging opening (55), buncher (54) is installed in frame (53) bottom by bolt assembly (59), sprocket wheel (58) is housed, sprocket wheel (56) the phase interlock on the same screw conveyor shaft of bushroller chain (57) (51) on the axle of buncher (54).

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