CN202323534U

CN202323534U - Fiber preprocessing device

Info

Publication number: CN202323534U
Application number: CN2011204736247U
Authority: CN
Inventors: 孟锡泉; 帕特里克帕特·陈; 展恒金
Original assignee: Gold HongYe Paper Group Co Ltd
Current assignee: Gold HongYe Paper Group Co Ltd
Priority date: 2011-11-24
Filing date: 2011-11-24
Publication date: 2012-07-11
Anticipated expiration: 2021-11-24

Abstract

The utility model discloses a fiber preprocessing device which comprises a cavity, a spiral mechanism, a crimping mechanism, a material block disc and a power source. The cavity is provided with a feed port for fiber to enter and a discharge valve for discharging fiber; a preset pressure value is set for the discharge valve; and when pressure in the cavity is greater than the preset pressure vale, the discharge valve is opened to discharge fiber. The spiral mechanism is used for pushing the fiber entering from the feed port into a chamber. The crimping mechanism kneads and extrudes the fiber pushed by the spiral mechanism to generate crimp. The material block disc is used for blocking the crimped fiber so as to increase pressure in the chamber. The power source is used for providing power required by the spiral mechanism and the crimping mechanism. Through the preprocessing of the fiber preprocessing device disclosed by the utility model, the structural characteristics of natural fiber can be effectively changed so that the bulk and water absorbency of the prepared paper product are greatly improved.

Description

The fiber pretreatment unit

Technical field

The utility model relates to a kind of fiber pretreatment unit, particularly a kind of pretreatment unit that fiber as paper making raw material is circumnutated.

Background technology

In recent decades, China's economic level has tremendous development, and the people is not only more and more, also increasingly high to the demand of paper for daily use.China far above world average level, constitutes a huge pressure to the protection of resource with rationally utilizing to paper for daily use growth of requirement speed thus at present.If deal with improperly, not only can not satisfy society need effectively, also can cause very big infringement to natural resources.

Reasonably utilize natural resources, the production technology of improving paper is worldwide important subject always.At present, both at home and abroad for characteristic how to improve natural fiber, under the prerequisite of the primary demand that satisfies the consumer, reduce cost through the demand that reduces former slurry and chemicals, minimizing is very active to the research of the aspects such as infringement of environment.But practical in the industry fiber preconditioning technique also only limits to mechanical jordaning.Thereby fiber is carried out the characteristic that preliminary treatment improves paper product, and then the research that reduces the dependence of chemicals has bigger performance space comparatively speaking.

Summary of the invention

The utility model provides a kind of fiber pretreatment unit, through this device, can to paper product particularly the raw fiber of paper for daily use do the preliminary treatment circumnutate.

A kind of fiber pretreatment unit comprises:

Cavity is provided with chamber in the cavity, have on the cavity to supply charging aperture that fiber gets into and the discharging valve that supplies fiber to gush, and the discharging valve is provided with predetermined force value, and when the pressure in the chamber during greater than this predetermined force value, the discharging valve open gushes for fiber;

Screw mechanism, it is interior and adjacent with charging aperture to be arranged on chamber, is used for the fiber that gets into from charging aperture is advanced in the chamber;

Coiled body is arranged in the chamber and to the fiber that screw mechanism advances and crumples, pushes, curls;

The backgauge dish is arranged in the chamber, and is arranged on the end away from charging aperture of discharging valve, is used to stop the fiber through curling, thereby the pressure in the chamber is risen; And

First power source is arranged on outside the cavity, is used to provide screw mechanism and the required power of coiled body.

After the fiber pretreatment unit preliminary treatment through the utility model, can change the architectural characteristic of natural fiber effectively, the bulk of its paper product of processing and water absorbing properties are all improved a lot.Can reduce of the dependence of paper process thus, also can under identical paper product characteristic condition, reduce the use of nature slurry chemicals.For manufacturing industry, reduced cost effectively; For society and environment, very positive positive effect is also arranged.

With reference to the accompanying drawings, in conjunction with specific embodiment the utility model is done further to describe.

Description of drawings

Fig. 1 is the cross-sectional schematic of the fiber pretreatment unit of the utility model one embodiment.

Fig. 2 is the generalized section of Fig. 1.

Fig. 3 is the schematic perspective view of first cutterhead in the fiber pretreatment unit of the utility model one embodiment.

Fig. 4 is the schematic perspective view of second cutterhead in the fiber pretreatment unit of the utility model one embodiment.

Fig. 5 to Fig. 7 is all directions view of the many ribs cutter in the fiber pretreatment unit of the utility model one embodiment.

Fig. 8 is the sketch map of the feeding mechanism in the fiber pretreatment unit of the utility model one embodiment.

Fig. 9 looks sketch map for the master of the auger body of the feeding mechanism among Fig. 8.

Figure 10 is the left view of Fig. 9.

The main element symbol description

Cavity

	10
		Chamber	100
Pedestal	101,723
		Charging aperture	11
The discharging valve	12
		Pressure-measuring device	13
Temperature measuring set	14
		Lid	15
Opening	150
		Bearing block	16
Many ribs cutter	17
		Shank	171
Blade	172
		Fixing hole	173
Screw mechanism	20
		Axle sleeve	21
Blade	22,76
		Coiled body	30
First cutterhead	31
		Keyway	310,320
First holder	311
		Tool arm	313
Second cutterhead	32
		Second holder	321
Fin	322
		Reclaiming plate	323
The backgauge dish	40
		First power source	50
Power transmission shaft	60
		Link	61
Driving end	62
		Feeding mechanism	70
The auger body	72
		Feed hopper	720
Discharging opening	721
		The auger axle center	74
Striker plate	740
		Second power source	78
Frame	80

The following specific embodiment will combine above-mentioned accompanying drawing to further specify the utility model.

The specific embodiment

Please refer to Fig. 1, the fiber pretreatment unit of the utility model one embodiment comprises cavity 10, screw mechanism 20, coiled body 30, backgauge dish 40 and first power source 50.

Be provided with chamber 100 in the cavity 10; Have the charging aperture 11 of the fibrous raw material entering that supplies paper grade (stock) and the discharging valve 12 that supplies fiber to gush on the cavity 10; Discharging valve 12 is provided with predetermined force value; When the pressure in the chamber 100 during greater than this predetermined force value, discharging valve 12 is opened, and gushes for fiber.

It is interior and adjacent with charging aperture 11 that screw mechanism 20 is arranged on chamber 100, is used for the fiber that gets into from charging aperture 11 is advanced in the chamber 100.

Coiled body 30 is arranged in the chamber 100 and to the fiber that is advanced by screw mechanism 20 and crumples, pushes, curls.

Backgauge dish 40 is arranged in the chamber 100, and is arranged on the end away from charging aperture 11 of discharging valve 12, is used to stop the fiber through curling, thereby the pressure in the chamber 100 is risen.

First power source 50 is arranged on outside the cavity 10, is used to provide screw mechanism 20 and coiled body 30 required power.

After fiber got into chamber 100 from charging aperture 11, screw mechanism 20 can advance chamber 100 with fiber along the direction from right to left among Fig. 1, and arrives the position of coiled body 30, thereby 30 pairs of fibers of coiled body are stirred.Have the effect of pullling, crumpling, push, curl when stirring, but the destruction that can not cause modes such as fracture to fiber itself.Along with follow-up fiber is constantly advanced by screw mechanism 20, fiber can be stopped and be accumulated in the chamber 100 and continues to be stirred by backgauge dish 40.When fiber arrive certain amount perhaps/and curl and arrive the regular hour, the pressure in the chamber 100 can constantly rise.Be appreciated that ground, the temperature when pressure rises in the chamber 100 also can promote.When the pressure in the chamber 100 during greater than the predetermined force value of discharging valve 12, discharging valve 12 will be opened, and gushes from cavity 10 for fiber.

Through the fiber that the fiber pretreatment unit that provides via the utility model was handled, do not compare with the fibre treated that circumnutates less than process, several significant advantages are arranged in paper-making process:

The first, dehydration property improves greatly, and this measure can make the speed of paper machine increase, and promotes labor productivity, or under the situation of identical speed of production, reduces the needed energy of dry-web.Through checking, dry required energy consumption can reduce by 10% even more.

Second; The bulk of paper (thickness removes the grammes per square metre of paper in unit are) has obvious lifting; This measure meeting improves the water absorbing properties of paper, and for paper for daily use, this just means can use few relatively fiber (natural resources) to reach identical properties of product.Through checking, the bulk of paper can improve 15% even more, and is but very little for the strength of paper influence simultaneously.

The 3rd, the structural pliability of paper improves, and this means that the paper of producing has better feel, is accepted by the consumer easily.

In addition; Compare with traditional mixing (Kneading) that be used for deinking recycled fibers; The fiber pretreatment unit of the utility model can make fiber circumnutate; And adopt the fiber pretreatment unit of the utility model can not need chemical drugs such as dirt dispersion agent, moreover the fiber pretreatment unit energy consumption of the utility model is littler.

Hereinafter will combine other views that the utility model is further described.

This cavity 10 preferably is cylindric, and charging aperture 11 and discharging valve 12 are separately positioned on the both sides up and down of cavity 10.Charging aperture 11 and discharging valve 12 cavity 10 axially at regular intervals, thereby guarantee that fiber has certain curling time and space in chamber 100.It for example is the upper right side of cavity 10 shown in Figure 1 that charging aperture 11 can be arranged on, and discharging valve 12 can be arranged on for example be the position near the left downside of cavity 10.

In one embodiment, pressure-measuring device 13 and temperature measuring set 14 can be set on cavity 10 also, be used to measure the pressure and temperature in the chamber 100.The position of corresponding coiled body 30 is provided with an opening 150 on this cavity 10, and lid 15 is set on the opening 150, and said pressure-measuring device 13 is arranged on this lid 15 with temperature measuring set 14.In addition, a control cabinet (figure does not show) can be set also, this control cabinet can be used for controlling first power source 50 outside the cavity 10, also can show the related work state of first power source 50.Control cabinet also can be used for showing the duty of pressure-measuring device 13 and temperature measuring set 14 simultaneously.

This fiber pretreatment unit also comprises a power transmission shaft 60, and power transmission shaft 60 connects screw mechanism 20, coiled body 30 and first power source 50, and power is transferred to screw mechanism 20 and coiled body 30.This power transmission shaft 60 comprises and is arranged on the outer link 61 of cavity 10 and extends to the driving end 62 in the cavity 10.Screw mechanism 20 and coiled body 30 all are arranged on this driving end 62.First power source 50 links to each other with the link 61 of power transmission shaft 60.Different transmission axles can be set in other embodiments to link to each other with screw mechanism 20, coiled body 30 respectively with transmission power.

Cavity 10 is outer also can be provided with structure such as bearing block 16 with support, fixed conveyor axle 60.The bottom of cavity 10 also can be provided with structures such as pedestal 101, and this fiber pretreatment unit can be fixed on certain location places such as frame 80 by pedestal 101.

Please in one embodiment, also some many ribs cuttves 17 can be set on cavity 10 simultaneously with reference to figure 2.These many ribs cuttves 17 extend in chamber 100, and can crumple, push, curl fiber with coiled body 30.Many ribs cutter 17 is the plurality of rows setting, shows among Fig. 2 to be four rows, and is positioned at different weeks of power transmission shaft 60 upwards.Preferred many ribs cutter 17 upwards is symmetrical distribution in the week of power transmission shaft 60, and this more helps bringing into play auxiliary rubbing, the extruding of many ribs cutter 17, the effect of curling.Many ribs cutter 17 spaces of each row are provided with.The bearing of trend of many ribs cutter 17 is axial vertical with power transmission shaft 60, and bearing of trend points to the axle center of power transmission shaft 60.The change of the visual real needs of the development length of many ribs cutter 17, but should guarantee not to interfere with power transmission shaft 60 and the coiled body 30 that is fixed on the power transmission shaft 60.

Please be simultaneously with reference to figure 5, Fig. 6, Fig. 7, wherein Fig. 6 is the left view of Fig. 5, and Fig. 7 is the left view of Fig. 6, and each many ribs cutter 17 comprises shank 171 and by shank 171 extended blades 172.Offering plurality of fixed hole 173 on the shank 171 supplies fixture (not indicating) to wear so that many ribs cutter 17 is fixed on the cavity 10.Blade 172 is the polygon prism shape, and size is dwindled to free end by an end that connects shank 171 gradually.The seamed edge of blade 172 can be used for rubbing, the extruding, curling to fiber.The side that preferred blade 172 has more seamed edge can be met the rotation direction setting to fiber, and this can bring into play rubbing, the extruding of many ribs cutter 17, the effect of curling better.In other embodiments, blade 172 also can be other shapes such as triangular prism, but and also homogeneous of size, as long as the seamed edge of blade 172 can be brought into play rubbing, extruding, curling effect.

Please refer to Fig. 1, this screw mechanism 20 comprises that the axle sleeve 21 on the driving end 62 that is fixed on power transmission shaft 60 reaches by axle sleeve 21 extended blades 22.Axle sleeve 21 can be upwards fixing in the week of power transmission shaft 60 through the mode of key.Through correct setting to blade 22, can make screw mechanism 20 when rotating, fiber is advanced into the coiled body 30 in the chamber 100 from charging aperture 11.

This coiled body 30 comprises some first cutterheads 31 and one second cutterhead 32 that is fixed on the power transmission shaft 60.

Each first cutterhead 31 is provided with many ribs cutter 17 spaces, also is adjacent one first cutterhead 31 that is provided with between the rib cutter 17 more than two.

Please be simultaneously with reference to figure 3, each first cutterhead 31 comprises that first holder 311 on the driving end 62 that is fixed on power transmission shaft 60 reaches by the some tool arms 313 that extend on first holder 311.

Tool arm 313 is curved.The thickness d of tool arm 313 is dwindled away from the direction of first holder 311 in court gradually.The height h of tool arm 313 is a prerequisite not interfere with the inwall of cavity 10, and the height h that tool arm 313 preferably can be set makes spacing between the inwall of tool arm 313 and cavity 10 between 2-50mm.The tool arm 313 of adjacent first cutterhead 31 power transmission shaft 60 axially on the space be provided with.First holder 311 of adjacent first cutterhead 31 is sticked each other in the present embodiment; And adopt tool arm 313 that first cutterhead 31 is set power transmission shaft 60 axially on width less than the mode of first holder 311 at the width of power transmission shaft 60 on axially, make adjacent first cutterhead 31 tool arm 313 power transmission shaft 60 axially on space one segment distance.Make many ribs cutter 17 can be arranged between the tool arm 313 of two first adjacent cutterheads 31 simultaneously.The tool arm 313 that adjacent first cutterhead 31 also can be set in certain embodiments power transmission shaft 60 axially on stagger each other, promptly tool arm 313 is not collinear in the axial direction, this kind setting can more help curling of fiber.

Offer keyway 310 on first holder 311, key capable of using, for example flat key is making progress first cutterhead 31 fixing and is being used for transferring power in the week of power transmission shaft 60.

The discharging valve 12 of the position respective chamber 10 of second cutterhead 32.Please be simultaneously with reference to figure 4, this second cutterhead 32 comprises that second holder 321 reaches by second holder, 321 extended some reclaiming plates 323.

Also offer keyway 320 on second holder 321, key capable of using is making progress second cutterhead 32 fixing and is being used for transferring power in the week of power transmission shaft 60.

When discharging valve 12 was opened, reclaiming plate 323 can be used for auxiliary fiber and in chamber 100, gushes.This second cutterhead 32 also comprises the some fins 322 that extended by second holder 321; Each fin 322 links to each other with corresponding reclaiming plate 323, and fin 322 power transmission shaft 60 axially on width less than reclaiming plate 323 power transmission shaft 60 axially on width.

Be appreciated that ground, the height of the height of the blade 22 of screw mechanism 20, the reclaiming plate 323 of second cutterhead 32 and the radius of backgauge dish 40 all can be with reference to the height of the tool arm 313 of first cutterhead 31 and are set.

Also can offer keyway on the backgauge dish 40 and utilize key that backgauge dish 40 is upwards fixing in the week of power transmission shaft 60.First cutterhead 31, second cutterhead 32 and the backgauge dish 40 of these screw mechanisms 20, coiled body 30 all can by elements such as nut/gland power transmission shaft 60 axially on fixing.

As a preferred embodiment, also can be provided with a feeding mechanism 70 at charging aperture 11 places of cavity 10.Please be simultaneously with reference to figure 8, Fig. 9 and Figure 10, this feeding mechanism 70 comprises auger body 72, is arranged on auger axle center 74 and blade 76 in the auger body 72, and second power source 78 that is connected with auger axle center 74.Said auger body 72 is provided with feed hopper 720 and discharging opening 721, and said discharging opening 721 docks with the charging aperture 11 of cavity 10.

The position of corresponding feed hopper 720 and discharging opening 721 is respectively equipped with striker plate 740 on the said auger axle center 74, is used to keep fiber in auger body 72, to advance towards correct direction.

Through correct setting to blade 76, can make auger axle center 74 when rotating, fiber is delivered to discharging opening 721 from feed hopper 720, thereby make fiber get into charging aperture 11 the curling of cavity 10 with the completion fiber.

The bottom of auger body 72 also can be provided with pedestal 723, and this feeding mechanism 70 also can be fixed on certain location places such as frame 80 by pedestal 723.Equally, control cabinet also can be used to control and show the duty of second power source 78 simultaneously.For example, can be by the power output of adjustment first power source 50, second power source 78, with the pace of change of the temperature and pressure in the adjustment chamber 100.

Claims

1. fiber pretreatment unit comprises:

2. fiber pretreatment unit as claimed in claim 1; It is characterized in that: also comprise power transmission shaft; This power transmission shaft comprises and extends to the driving end in the cavity and be arranged on the outer link of cavity; Said screw mechanism and coiled body all are arranged on this driving end, and first power source links to each other with the link of power transmission shaft with transmission power.

3. fiber pretreatment unit as claimed in claim 2 is characterized in that: this coiled body comprises some first cutterheads, and each first cutterhead comprises that first holder on the driving end that is fixed on power transmission shaft reaches by the some tool arms that extend on first holder.

4. fiber pretreatment unit as claimed in claim 3 is characterized in that: said tool arm is curved, and thickness dwindles away from the direction of first holder in court gradually.

5. fiber pretreatment unit as claimed in claim 3 is characterized in that: the tool arm of adjacent first cutterhead power transmission shaft axially on the space be provided with.

6. fiber pretreatment unit as claimed in claim 5 is characterized in that: the tool arm of said first cutterhead width in the axial direction is less than first holder width in the axial direction.

7. fiber pretreatment unit as claimed in claim 5 is characterized in that: the tool arm of adjacent first cutterhead power transmission shaft axially on the setting of staggering each other.

8. fiber pretreatment unit as claimed in claim 3 is characterized in that: also comprise the some many ribs cuttves that are fixed on the cavity and in chamber, extend, these many ribs cuttves and each first cutterhead space are provided with.

9. fiber pretreatment unit as claimed in claim 8 is characterized in that: these many ribs cuttves are the plurality of rows setting, and are positioned at making progress in different weeks of power transmission shaft.

10. fiber pretreatment unit as claimed in claim 8 is characterized in that: the bearing of trend of these many ribs cuttves is axial vertical with power transmission shaft, and bearing of trend points to the axle center of power transmission shaft.

11. fiber pretreatment unit as claimed in claim 8; It is characterized in that: each many ribs cutter comprises the shank that is fixed on the cavity and is extended and stretched into the blade of chamber by shank; Blade is the polygon prism shape, and size is dwindled to free end by an end that connects shank gradually.

12. fiber pretreatment unit as claimed in claim 2; It is characterized in that: this coiled body also comprises second cutterhead on the driving end that is fixed on power transmission shaft; The discharging valve of the position respective chamber of this second cutterhead, this second cutterhead comprise that second holder reaches by the extended some reclaiming plates of second holder.

13. fiber pretreatment unit as claimed in claim 12; It is characterized in that: this second cutterhead also comprises the some fins that extended by second holder; Each fin links to each other with corresponding reclaiming plate, and fin power transmission shaft axially on width less than reclaiming plate power transmission shaft axially on width.

14. fiber pretreatment unit as claimed in claim 1 is characterized in that: also be provided with pressure-measuring device and temperature measuring set on the said cavity, be used to measure the pressure and temperature in the chamber.

15. fiber pretreatment unit as claimed in claim 14 is characterized in that: the position of corresponding coiled body is provided with an opening on the said cavity, and lid is set on the opening, said pressure-measuring device and temperature measuring set are arranged on this lid.

16. like claim 1 or 14 described fiber pretreatment units; It is characterized in that: the charging aperture place of said cavity also is provided with a feeding mechanism; This feeding mechanism comprises the auger body, is arranged on auger axle center and blade in the auger body; And second power source that is connected with the auger axle center, said auger body is provided with feed hopper and discharging opening, and said discharging opening docks with the charging aperture of cavity.

17. fiber pretreatment unit as claimed in claim 16 is characterized in that: the position of corresponding in the heart feed hopper of said screw-conveyer-shaft and discharging opening is respectively equipped with striker plate, is used to keep fiber in the auger body, to advance towards correct direction.

18. fiber pretreatment unit as claimed in claim 16 is characterized in that: also comprise control cabinet, the duty that is used to control, show the duty of first power source, second power source or shows pressure-measuring device and temperature measuring set.