CN101892604B - Combined impeller millstone pulping method and device - Google Patents
Combined impeller millstone pulping method and device Download PDFInfo
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- CN101892604B CN101892604B CN2010102181785A CN201010218178A CN101892604B CN 101892604 B CN101892604 B CN 101892604B CN 2010102181785 A CN2010102181785 A CN 2010102181785A CN 201010218178 A CN201010218178 A CN 201010218178A CN 101892604 B CN101892604 B CN 101892604B
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Abstract
The invention relates to a combined impeller millstone pulping method and a combined impeller millstone pulping device. A fixed millstone and a rotary millstone are arranged in a charging barrel; the fixed millstone is arranged on the charging barrel; and the rotary millstone is arranged on a power shaft. The combined impeller millstone pulping device is characterized in that: the fixed millstone and the rotary millstone are impeller millstones; the whole millstone is provided with a plurality of material passing through grooves for materials to pass through and mix along the radial direction to form the impeller millstone; impeller blades form material grinding surfaces; the material passing through grooves among blades of the impeller millstone form material passages; a plurality of fixed impeller millstones and a plurality of rotary impeller millstones are superimposed in a staggered mode; the materials are forcibly pressed in from the front part in the charging barrel, and then the rotary impeller millstones rotate relative to the fixed impeller millstones, so that the materials pass through gaps among the millstones and the material passing through grooves of the blades; and the materials are mixed, crushed, ground, softened, split and broomed stage by stage in the continuously changed material passing through grooves and gaps among the millstones, and finally are discharged from a discharge hole on the rear part in the charging barrel.
Description
Technical field
The present invention relates to a kind of combined impeller abrasive disk grinding method and device.Specifically be in the barrel the inside of bringing outlet into one or more groups impeller abrasive disk to be installed, material is combined, and impeller abrasive disk mixes, smashes, divides thread, brooming, belongs to the pulping equipment field.
Background technology
Length of schooling slurry, machinery pulping, chemical-mechanical pulping (change machine slurry) are generally broken up in the slurrying of paper-making pulping industry, and wherein, chemical-mechanical pulping is because equipment is simple relatively, and energy consumption is little, and wastewater discharge is little and developed rapidly.
In machinery pulping, disc mill is arranged, be characterized in that the slurrying quality is good, output is high, and shortcoming is to invest very greatly, and the mill difficulty of processing is big, and energy consumption is very high.Mill defibrination system investment such as 100,000 tons/year can reach more than one hundred million units, and nearly more than 10,000 kilowatts, vital part needs import to energy consumption.Also having a kind of is double-screw pulp-milling, and it is very little to be characterized in comparing with disc mill its investment, and difficulty of processing is little, and energy consumption is very low.Shortcoming is that defibrination quality and PR disc mill are much lower.
Chinese patent CN86100235A has disclosed a kind of multi-disk refiner, and it adopts the alternate range upon range of arrangement with the stationary annular mill of a plurality of rotary annular mills, and material gets into grinding clearance from annular mill outer radius; From the discharging of annular mill inner radius; In order to let material can arrive the grinding clearance of a plurality of mills, the mode of stationary annular mill is to adopt the toughness diaphragm or the toughness of slotted eye (27) to refer to bar (59), and this characteristic feature of an invention is that mill quantity is many; Mill adopts toughness material to fix; The annular mill adopts the heavy mode of cutting to make mill axially have toughness, compares with rigidly connected pair of disk refiner of routine, has improved the defibrination uniformity.
Chinese patent 200720031719 discloses a kind of third hand tap double-current method fiberizer, and it is on the basis of conical refiner, to be increased to three to the number of taper thread grinding, and material defibrination passage is increased to two, and refining concentration is improved.
Deutsche Bundespatent 2639786 discloses a kind of improved mill fiberizer, and it improves the mill profile of tooth, makes slurry when pressure is little, also can get into abrasive disk space smoothly, has reduced energy consumption.
Similarly improve and on Chinese patent 90214217, also be used to taper rubbing disc.
The essence that above-mentioned all improvement all do not change mill also promptly, all still adopts one or more pieces whole mills; Otherwise material flows into from the mill slit of mill outer ring or, otherwise flow out from the space of mill inner ring or, the gap between two whole mill annular regions constitutes the mill slit; This mill slit is unique passage of material, also is the abrasive material zone, or the Mixed Zone; So multiple function has been born in this zone, the adjusting of its each functional parameter often conditions each other and contradiction; Such as, increase the mill diameter and can increase mill abrasive material area, increase the incorporation time of material in the mill slit; Improve the abrasive material quality, also can improve abrasive material effect and mixing dynamics and reduce the mill slit, but these behave meeting increment flow resistances and reduce output; Can increase slit pressure and cause mill distortion and mill spindle to bearing load; Power consumption and mill difficulty of processing can be increased, equipment cost can be increased.For example, 100,000 tons/year disc mill power surpasses 10,000 kilowatts, and cost surpasses 100,000,000 yuan, and key components and parts is owing to difficulty of processing needs import greatly.
A useful improvement is to adopt double-screw pulp-milling.
United States Patent (USP) 4983256 has disclosed a kind of double-screw pulp-milling; It is employed in the reverse acting spiral rotor is set on the twin-screw on the way, to form the resistance material effect, cooperates the opening on the spiral shell rib; Material is circulated in the barrel the inside repeatedly to be rubbed; This patent does not have mill, so the defibrination quality is not good, is usually used in cotton pulp.
Chinese patent 99120924 also is the method that the employing twin-screw is provided with the reverse acting spiral rotor on the way, and, also be provided with hard impurity block assembly (15).
Chinese patent 99120924 is similar with Chinese patent 99120924, and has increased the kneading piece in the G district.
Chinese patent 200410035606.5 is employed in the helical rotor that twin-screw is provided with different pitch on the way, to form the resistance material effect, cooperates the opening on the spiral shell rib, material is circulated in the barrel the inside repeatedly rub, and this patent does not have mill yet, so can only rub slurry with the hands.
Above-mentioned double-screw pulp-milling is that cost, power consumption, difficulty of processing are very low with respect to the advantage of disc mill, and one of major defect is that the defibrination quality is not good owing to there is not the defibrination unit; Two be that major diameter twin-screw difficulty of processing is very big, so present double-screw pulp-milling output is not high.
Summary of the invention
The purpose of this invention is to provide a kind of
Combined impeller millstone pulping method and device,Improve the working concentration and the output of material, make power consumption descend greatly.Simultaneously, adopt multi-disc minor diameter impeller abrasive disk to replace the whole mill of two major diameters, the difficulty of processing of its minor diameter impeller impeller abrasive disk is much littler than the big mill of monoblock type, reduces the cost and the cost of equipment.
Technical scheme of the present invention is:
Combined impeller millstone pulping method,Fixedly mill and rotating grinding board are set in a barrel; Fixedly mill is installed on the barrel; Rotating grinding board is installed on the line shaft; It is characterized in that: fixedly mill and rotating grinding board are designed to the vane type mill, and this vane type mill is on whole mill, radially to offer a plurality of punishment in advance grooves that material passes through and mixes that are used for, and forms the mill of impeller shape; Impeller blade itself constitutes the abrasive material face, and the punishment in advance groove between each blade of impeller abrasive disk constitutes material channel; A plurality of such fixedly impeller abrasive disk and rotary blade mills are superimposed and staggered; Material front portion in the barrel is pressed into; Then; The rotary blade mill makes material pass through mill slit and blade punishment in advance groove with respect to the fixedly rotation of impeller abrasive disk, and material is mixed step by step in the punishment in advance groove of constantly conversion and mill slit, smash, grind, soften, divide thread, brooming; At last, the discharge hole for discharge through rear portion in the barrel.
Aforesaid combined impeller millstone pulping method is characterized in that: described fixedly impeller abrasive disk and rotary blade mill quantity equate that fixedly impeller abrasive disk has two at least.
Aforesaid combined impeller millstone pulping method is characterized in that: described line shaft has two at least.
Aforesaid combined impeller millstone pulping method is characterized in that: adjustment is carried out in the impeller abrasive disk zone, makes this regional temperature of charge in 110 ~ 150 ° of C scopes.
Basic skills of the present invention is; Existing common whole mill is radially offered a plurality of grooves that material passes through and mixes that are used for, form a kind of mill of impeller shape, and; A plurality of such fixedly mill and rotating grinding boards are superimposed and staggered; To increase the abrasive material area vertically, radially then reduce the mill diameter, to reduce the problem that the major diameter mill brings.Impeller blade itself constitutes the abrasive material face, and the interval trough between each blade of impeller constitutes material channel.Different with the outer ring feeding manner of existing disc mill; Material of the present invention is axially to pass through the interval trough between each blade of impeller from the mill face; Because rotary blade is with respect to the fixedly rotation of impeller; The position of this groove is continuous conversion, and material is mixed in the groove of constantly conversion and mill slit, smash, grind, soften, divide thread, brooming.
Specifically be at a branch front portion to be arranged, the middle part is provided with one or more rotatable line shaft in the barrel of the band heater in three districts, rear portion, and this line shaft is driven by the outer one or more power motors of barrel.On the every line shaft at corresponding barrel middle part, one or more rotary blade mills is installed, the fixedly impeller abrasive disk of corresponding number and rotary blade mill interleaved are arranged; Fixedly impeller abrasive disk does not contact with the rotary blade mill, forms abrasive disk space.Fixedly impeller abrasive disk is fixed on and does not do any motion on the barrel.
Each fixedly impeller abrasive disk and rotary blade mill all be foliated, a plurality of blades and blade constitute an annular working district at interval, wherein, the tow sides of blade are the abrasive material faces, and the spacer region between each blade supplies material to pass through.Fixedly the card slit between impeller abrasive disk and the rotary blade mill constitutes the mill slit.
Since a plurality of fixedly impeller abrasive disks and rotary blade mill intersecting, when the rotary blade mill rotates, the continuous conversion of relative position meeting at interval of each mill slit and blade; When material is pressed into from the anterior inlet of barrel; During these combined impeller abrasive disks through middle part in the barrel of material, will be smashed step by step then,, mix, grind; At last, the discharge hole for discharge through rear portion in the barrel.
As far as certain impeller abrasive disk, the area of leaf area is big more, and then the interval between each blade is just more little.The leaf area area is big more, and then the abrasive material area is big more; And the interval between each blade is big more, and the resistance when then material passes through is just more little.Blade quantity is many more, and then the distribution of abrasive material face and blade septal surface is overstepping the bounds of propriety looses, and mixed effect is just good more, if but the number of blade is too many, and then each abrasive material face and blade septal surface size can be too little, weakened the abrasive material effect on the contrary, increased single channel resistance.The number of blade can be 2 ~ 18, preferred 9.The leaf area area should be greater than the blade spacer area, preferred 3:1.
Because material progressively becomes fiber from bulk; So should successively decrease from big to small successively in each card slit of combined impeller abrasive disk, fixedly the card slit between impeller abrasive disk and the rotary blade mill can be from 20 millimeters to 0.5 millimeter; Specifically become preferred 10 millimeters to 0.5 millimeter with material is different.The card slit is more little, and then the abrasive material effect is strong more, and power consumption is big more, and mill slit circulating resistance is big more.Otherwise this slit is big more, and then easier material through bulk increases effect of smashing and kneading action.
The number of combinations of combined impeller abrasive disk can 4 ~ 30, preferred 8.Number is many, and then mixing and abrasive material are effective, but power consumption is big, and circulating resistance is big, yields poorly.
The blade orientation should stagger between each rotary blade mill, the blade punishment in advance groove of the blade of front rotary blade mill rotary blade mill over against the back.
Line shaft quantity can be 1, and 2,3,4 or the like, the abrasive material face is many at most for quantity, mixes, but complex structure, and difficulty of processing is big, and the power configuration difficulty is particularly at 3 when above.Preferred 2.
Each is by system center symmetric arrangement when above at one for line shaft, and the preferred diameter of axle of distance between axles adds the half the of impeller abrasive disk external diameter sum, makes between each impeller abrasive disk to be conjugate action.
One of improvement of the present invention is that adjustment is carried out in the combined impeller abrasive disk zone, makes this regional temperature of charge in 110 ~ 150 ° of C scopes, preferred 135 ° of C.Like this, can promote the softening of material, strengthen refining effect.
Because material is moisture, when temperature surpasses 100 ° of C, must improve pressure and keep high temperature, so above-mentioned improvement must be provided with sealing at the front and rear of barrel, this can realize through material plug and 100 ° of low temperature below the C of compacting.
Two of improvement of the present invention is in the combined impeller abrasive disk district high pressure water injection mouth to be set, and can be used for moisturizing and dosing.
Three of improvement of the present invention is the rotating speeds that as far as possible increase line shaft, to improve output and abrasive material effect.
Four of improvement of the present invention is that the output section at rear portion is also made feeding part in the barrel, and material gets into from the front and rear of barrel simultaneously, and comes out from the barrel middle part; At this moment; Should extend in barrel middle part, and symmetry ground increases by one group of impeller abrasive disk again, and discharging opening is between 2 groups of impeller abrasive disks.The advantage of this design is the power effect in the opposite direction of receiving of every impeller abrasive disk, stressed symmetry and balance, and the distortion of having avoided the impeller abrasive disk single load bearing to cause, simultaneously, 2 groups of impeller abrasive disks provide back pressure mutually.
The present invention will have in the mill formula fiberizer that area is big, the few whole mill of dish number has made the impeller abrasive disk that area is little and polydisc is range upon range of into now, material from the blade of fixedly impeller abrasive disk, rotary blade mill itself at interval and between the dish of each impeller abrasive disk the slit jointly the tortuous passageway of formation weave throngh.The slit constitutes the mill slit between the dish of impeller abrasive disk; The blade of impeller abrasive disk itself constitutes the material channel of continuous conversion at interval owing to turning effort; Make material in, be rotated impeller abrasive disk and smash, mix, grind, divide silk, brooming through impeller mill district.
Impeller abrasive disk of the present invention comprises fixedly impeller abrasive disk and rotary blade mill, and blade punishment in advance groove comprises fixedly punishment in advance groove and rotation punishment in advance groove.
The invention has the beneficial effects as follows:
Compare with existing mill fiberizer; Because the blade of impeller abrasive disk itself is bigger at interval and continuous changing location under turning effort; Make the circulating resistance of material reduce, operating pressure reduces, and the immixture of smashing that material receives is strengthened; Can improve the working concentration and the output of material, make power consumption descend greatly.Simultaneously, adopt multi-disc minor diameter impeller abrasive disk to replace the whole mill of two major diameters, the difficulty of processing of its minor diameter impeller impeller abrasive disk is much littler than the big mill of monoblock type.
Twin shaft pattern of the present invention is compared with existing double-screw pulp-milling, owing to increased the impeller abrasive disk assembly, has reduced the material stream passed resistance; Make when the defibrination quality improves; Output also improves, though power consumption increases to some extent, is significantly smaller than existing mill fiberizer; Owing to increased the mill unit, gone for various raw materials.
So the advantage of high defibrination quality of the existing disc mill of the present invention and high yield has the double-screw pulp-milling low cost again, low-power consumption, the characteristics of low difficulty of processing.
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Description of drawings
Fig. 1 is the embodiment of the invention 1 a---single axle.
Fig. 2 is single rotary blade mill 3 structure charts among Fig. 1.
Fig. 3 is single fixedly impeller abrasive disk 4 structure charts among Fig. 1.
Fig. 4 is the arrangement mode figure of a plurality of fixedly impeller abrasive disks 4 and rotary blade mill 3.
Fig. 5 is the embodiment of the invention 2 a---twin axle.
Fig. 6 is a single fixedly impeller abrasive disk 8 among Fig. 5
Fig. 7 is twin shaft integral installation figure.
Fig. 8 is a blade mill installation diagram.
Fig. 9 is the impeller abrasive disk of radial teeth.
Figure 10 is the impeller abrasive disk of band outer shroud.
Figure 11 is the impeller abrasive disk at band oblique angle.
Figure 12 is malleation, back-pressure feeding structure sketch map.
Figure 13 is staggered stacked barrel structure chart.
Figure 14 is embodiments of the invention 3---twin shaft is two to be driven.
Figure 15 is three layouts.
Figure 16 is four layouts.
Figure 17 is the improvement project of Fig. 5 embodiment 2.
The specific embodiment
The explanation of mark among Fig. 1: barrel 1, line shaft 2, rotary blade mill 3, fixedly impeller abrasive disk 4, feeding cylinder 5, discharge barrel 6, rotation drive motor 7.
The explanation of mark among Fig. 2: rotation punishment in advance groove 3.1.
The explanation of mark among Fig. 3: fixedly the punishment in advance groove 4.1.
The explanation of mark among Fig. 5: fixedly impeller abrasive disk 8, feed auger 9, discharging spiral 10, synchrom esh transmission 11.
The explanation of mark among Figure 12: reciprocating-piston 12, reciprocating-piston bar 13, oil cylinder 14, back-pressure piston 15, piston spring 16.
The explanation of mark among Figure 13: anterior barrel 18, barrel thin slice 19, rear portion barrel 20.
The explanation of mark among Figure 14: synchronizing shaft 17.
Technical scheme 1:, adopt single shaft single action power, word order according to above-mentioned principle design technical scheme 1; One group of impeller abrasive disk, the box-like fixedly impeller abrasive disk of lobe, four of mill quantity; Nine of blade quantities, blade surface light face, whole barrel; The charging of reciprocating-piston malleation, the discharging of spring piston formula back-pressure, no auxiliary material adds inlet.
Fig. 1 is that it is made up of following several sections: barrel 1 (having heater usually), line shaft 2 according to a kind of combined impeller abrasive disk defibrination device of technique scheme 1 design; Rotary blade mill 3, fixedly impeller abrasive disk 4, feeding cylinder 5; Discharge barrel 6, rotation drive motor 7.
The side, two ends of barrel 1 has been installed feeding cylinder 5 respectively, discharge barrel 6.Line shaft 2 has been installed in barrel 1 the inside, and one group of fixedly impeller abrasive disk 4 has been installed at middle part, barrel 1 the inside, fixedly has fixedly punishment in advance groove 4.1 on the impeller abrasive disk 4.
One end of line shaft 2 has connected rotation drive motor 7.
One group of rotary blade mill 3 has been installed at the middle part of line shaft 2, has rotation punishment in advance groove 3.1 on the rotary blade mill 3.
The two ends end face of barrel 1 seals, and the bearing of band sealing is arranged on the sealing surface, and this bearing is used for the supporting of line shaft 2.
Material adds the combined impeller abrasive disk district that the back is forced compacting in barrel 1 front portion, is transported to middle part in the barrel 1 from feeding cylinder 5 through known pressure delivery device, and the fixedly impeller abrasive disk 4 that this combined impeller abrasive disk is arranged by one group of intersecting is formed with rotary blade mill 3.Wherein, the rotary blade mill 3 that is installed on the line shaft 2 rotates under the driving of rotation drive motor 7.Can form between the fixedly impeller abrasive disk 4 that this rotatablely moves with intersecting is arranged relative mix, abrasive action.Material is forced from rotation punishment in advance groove 3.1 and fixing punishment in advance groove 4.1 when passing the combined impeller abrasive disk district, under the environment that reduces successively in gap between the impeller abrasive disk, progressively be classified to broken, mix, grind, divide silk, brooming.Then; Material gets into rear portion in the barrel 1; Design barrel 6 discharging openings less than feeding cylinder 5 charging apertures, then material will produce a suitable back pressure pressure and be compacted and be sent to discharge barrel 6 in the barrel 1, regulate back pressure and can also regulate the time of staying of material in barrel 1.
An important function of feeding cylinder 5 and discharge barrel 6 is that the material temperature arrising caused by friction in the combined impeller abrasive disk district reaches 100 ° more than the C and regurgitate and play the safeguard protection effect when penetrating.
The blank parts of front and rear is the space of reserving for the quantity that increases impeller abrasive disk in the barrel 1, and this space also can be used to be provided with transport.Fig. 2 is a kind of structure of single rotary blade mill 3.
Fig. 3 is a kind of structure of single fixedly impeller abrasive disk 4, and the semi-circular structure design is for the ease of installing.
Wherein, the fan-shaped central angle β of blade should be greater than blade punishment in advance groove central angle δ, to increase the abrasive material area.And the blade number n is many more, and then mixed effect is good more, looses but the abrasive material face is overstepping the bounds of propriety.Relation between the three is preferably: β=3* δ, (β+δ) * n=360, i.e. δ=90/n.
Fig. 4 is the arrangement mode of a plurality of fixedly impeller abrasive disks 4 and rotary blade mill 3, and its preferred rule is: each fixedly impeller abrasive disk 4 and rotary blade mill 3 dish with coil between interlaced successively range upon range of.Wherein, each fixedly impeller abrasive disk 4 self blade is aligned with each other.Stagger each other successively between each rotary blade mill 3 blades, concrete shifting method is: the blade punishment in advance groove of hub disk is over against the blade of shroud.Like this, material just must arrive the blade punishment in advance groove of hub disk through the abrasive material gap from the blade punishment in advance groove of shroud.
Fixedly the abrasive material gap between impeller abrasive disk 4 and the rotary blade mill 3 reduces from the feed end to the discharge end successively, and preferred gap is from 3 millimeters to 1 millimeter.
Technical scheme 2:, adopt twin shaft double dynamical, word order according to the foregoing invention content; Two groups of rotary blade mills, the box-like fixedly impeller abrasive disk of lobe, eight of mill quantity; Nine of blade quantities, blade surface light face, whole barrel; The charging of parallel dual-screw malleation, the discharging of parallel dual-screw back-pressure, no high pressure water injection mouth.
Fig. 5 is that it is made up of following several sections according to a kind of combined impeller abrasive disk defibrination device of technique scheme 2 designs: the barrel 1 of band heater, line shaft 2; Rotary blade mill 3, feeding cylinder 5, discharge barrel 6; Rotation drive motor 7, fixedly impeller abrasive disk 8, feed auger 9; Discharging spiral 10, synchrom esh transmission 11.
Different with technical scheme 1 is, line shaft 2, rotary blade mill 3, has made 2 covers into, and fixedly impeller abrasive disk 4 has made fixedly impeller abrasive disk 8 into for the ease of installation, and it is that four quadrants piece together a fixedly impeller abrasive disk, and is as shown in Figure 6.Design feed auger 9 on the line shaft 2 of barrel 1 front portion, be used to strengthen material charging ability.Design discharging spiral 10 on the line shaft 2 at barrel 1 rear portion, be used to strengthen material discharging ability.Twin-screw conjugation on 2 line shafts 2 is installed, and direction of rotation preferably in the same way.
Rotation drive motor 7 connects with 2 line shafts through synchrom esh transmission 11.
The blank parts at rear portion is the space of reserving for the group number that increases impeller abrasive disk and discharging spiral 10 in the barrel 1.
Fig. 7 is twin shaft integral installation figure.
Fig. 8 is a blade mill installation diagram.
The conveying capacity of feed auger 9 should so that form a discharging resistance, guarantee the closely knit of material greater than the conveying capacity of discharging spiral 10.Conveying capacity can realize through change pitch, spiral groove depth, screw channel width.
As the improvement project to technique scheme, tooth can be with in the impeller abrasive disk surface, and profile of tooth can be a radial flank, also can be the reticulate pattern flank of tooth, and preferred radial flank is to simplify processing, as shown in Figure 9.
As the improvement project to technique scheme, rotary blade mill 3 can be with outer shroud, and is to increase impeller intensity, shown in figure 10.
As the improvement project to technique scheme, the blade of rotary blade mill 3 can design an oblique angle along direction of rotation one side, and this helps material to get into the mill slit.Shown in figure 11.
As the improvement project to technique scheme, the malleation charging can use one or more reciprocating-pistons to accomplish, and like this, can improve feed pressure.13,2 oil cylinders 14 of 12,2 reciprocating-piston bars of 2 reciprocating-pistons shown in figure 12.
As the improvement project to technique scheme, the back-pressure discharging can use one or more back-pressure pistons to accomplish, and like this, can adjusting and control discharging resistance under the prerequisite of suitable back-pressure be provided.Back-pressure piston 15 and piston spring 16 shown in figure 12.
As improvement project to technique scheme; Shown in figure 13; It is segments combined that barrel 1 is made anterior barrel 18, middle part barrel, rear portion barrel 20 3 according to front portion, middle part, rear portion; Wherein, the middle part barrel is by a plurality of barrel thin slices 19 and a plurality of fixedly impeller abrasive disks 4 or fixedly impeller abrasive disk 8 is alternately laminated forms together.Their mutual group become staggered stacked combination barrel.The thickness of barrel thin slice 19 is identical with the thickness of rotary blade mill 3; And fixedly impeller abrasive disk 4 or fixedly the external diameter of impeller abrasive disk 8 expand to the external diameter of barrel 1 and equate; The fixedly impeller abrasive disk 4 that has 19,8 two halves of 4 barrel thin slices that do not close up not close up in the example shown in Figure 13.Staggered lamination adopts flange to connect.The advantage of this scheme is to help the fixedly firm installation of impeller abrasive disk.
As improvement project to technique scheme 2; The power shaft that adopts 2 cover synchrom esh transmissions 11 and 2 cover rotation drive motors 7 to drive 2 line shafts, 2,2 cover synchrom esh transmissions 11 respectively at barrel two links up the synchronous rotation that realizes 2 line shafts 2 through a synchronizing shaft 17.The advantage of this scheme is need not use the twin shaft output decelerator, is applicable to that high-power twin shaft drives occasion, and is shown in figure 14.
As improvement project, on line shaft 2, a flying wheel can be installed, to reduce the shock effect that bulk materials brings when broken to technique scheme.
As improvement project to technique scheme, can design line shaft 2 and impeller abrasive disk assembly thereof more than three or three, the number of axle is many more, and then mixing and abrasive material effect are good more.But structure more than three and three and synchronous driving system are complicated more.Even for abrasive material, the layout of axle system should be with respect to axial center's symmetry.Figure 15 is three layouts, and the spacing between each rotary blade mill 3 must equal three times of rotary blade mill 3 thickness.Figure 16 is four layouts, and the spacing between each rotary blade mill 3 must equal four times of rotary blade mill 3 thickness.This rule is also followed in the design of other number of axle.
As the improvement project to technique scheme 2, shown in figure 17, it is made up of following several sections: barrel 1; Line shaft 2,3, two feeding cylinders 5 of symmetry 2 cover rotary blade mills; A discharge barrel 6, rotation drive motor 7, symmetry two covers are impeller abrasive disk 8 fixedly; Feed auger 9, discharging spiral 10, synchrom esh transmission 11.
Different with Fig. 5 is; Rotary blade mill 3; Fixedly impeller abrasive disk 8 has made 2 covers of symmetry into, and feed auger 9 plays the charging effect through two feeding cylinders 5 respectively simultaneously with discharging spiral 10, and discharge barrel 6 makes the centre at barrel 1 into; Material gets into from two feeding cylinders 5 simultaneously, and comes out from the discharge barrel 6 at barrel middle part.Two bursts of opposite material chargings make two groups of impeller abrasive disks that back pressure is provided mutually.
Claims (10)
1.
Combined impeller millstone pulping methodFixedly mill and rotating grinding board are set in a barrel; Fixedly mill is installed on the barrel, and rotating grinding board is installed on the line shaft, it is characterized in that: fixedly mill and rotating grinding board are designed to the vane type mill; This vane type mill is on whole mill, radially to offer a plurality of punishment in advance grooves that material passes through and mixes that are used for, and forms the mill of impeller shape; Impeller blade itself constitutes the abrasive material face, and the punishment in advance groove between each blade of impeller abrasive disk constitutes material channel; A plurality of such fixedly impeller abrasive disk and rotary blade mills are superimposed and staggered; Material front portion in the barrel is pressed into; Then; The rotary blade mill makes material pass through mill slit and blade punishment in advance groove with respect to the fixedly rotation of impeller abrasive disk, and material is mixed step by step in the punishment in advance groove of constantly conversion and mill slit, smash, grind, soften, divide thread, brooming; At last, the discharge hole for discharge through rear portion in the barrel.
2. combined impeller millstone pulping method according to claim 1 is characterized in that: described fixedly impeller abrasive disk and rotary blade mill quantity equate that fixedly impeller abrasive disk has two at least.
3. combined impeller millstone pulping method according to claim 1 is characterized in that: described line shaft has two at least.
4. combined impeller millstone pulping method according to claim 1 is characterized in that: adjustment is carried out in the impeller abrasive disk zone, makes this regional temperature of charge in 110 ~ 150 ° of C scopes.
5. combined impeller millstone pulping device, it comprises barrel (1), line shaft (2); Feeding cylinder (5), discharge barrel (6), rotation drive motor (7); It is characterized in that: it also comprises rotary blade mill (3); Fixedly impeller abrasive disk (4) has rotation punishment in advance groove (3.1) on the rotary blade mill (3), and fixedly punishment in advance groove (4.1) is fixedly arranged on the impeller abrasive disk (4); Fixedly impeller abrasive disk (4) and rotary blade mill (3) are that adjacent successively intersecting is arranged, and constitute the mill slit between adjacent fixedly impeller abrasive disk (4) and the rotary blade mill (3).
6. combined impeller millstone pulping device according to claim 5 is characterized in that: described line shaft has two at least.
7. combined impeller millstone pulping device according to claim 5 is characterized in that: described fixedly impeller abrasive disk and rotary blade mill quantity equate that the rotary blade mill has two at least; The rotation punishment in advance groove (3.1) of front and back rotary blade mills (3) staggers mutually.
8. combined impeller millstone pulping device according to claim 5 is characterized in that: the number of blade of impeller abrasive disk (3,4) is 9, the leaf area area: blade punishment in advance groove area=3:1.
9. combined impeller millstone pulping device according to claim 5 is characterized in that: successively decrease from big to small successively in each card slit of combined impeller abrasive disk, fixedly the card slit between impeller abrasive disk and the rotary blade mill is from 10 millimeters to 0.5 millimeter.
10. combined impeller millstone pulping device according to claim 5 is characterized in that: barrel (1) front and rear part is provided with feeding cylinder respectively, and sets out barrel at the barrel middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102181785A CN101892604B (en) | 2010-07-06 | 2010-07-06 | Combined impeller millstone pulping method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102181785A CN101892604B (en) | 2010-07-06 | 2010-07-06 | Combined impeller millstone pulping method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101892604A CN101892604A (en) | 2010-11-24 |
| CN101892604B true CN101892604B (en) | 2012-05-09 |
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| CN2010102181785A Expired - Fee Related CN101892604B (en) | 2010-07-06 | 2010-07-06 | Combined impeller millstone pulping method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106758448B (en) * | 2016-12-30 | 2019-04-16 | 胜达集团江苏开胜纸业有限公司 | A kind of bidirectional rotation, multi-head ultrasonic homogeneous papermaking beater |
| FI20216205A1 (en) * | 2021-11-25 | 2023-05-26 | Valmet Technologies Oy | Refiner and method for processing fibrous material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB249228A (en) * | 1924-12-23 | 1926-03-23 | Edward Benton Fritz | Improvements in hydrating beating and refining machines for reducing paper-making materials and the like |
| US4619414A (en) * | 1985-01-31 | 1986-10-28 | Beloit Corporation | Multi-disk refiner |
| JPH01321989A (en) * | 1988-06-20 | 1989-12-27 | Aikawa Tekko Kk | Mill for paper making |
| US5531385A (en) * | 1993-05-07 | 1996-07-02 | Witsken; Anthony | Apparatus and methods for wet grinding |
| US5630909A (en) * | 1994-11-07 | 1997-05-20 | Beloit Technologies, Inc. | Pulp fluffing gas contactor |
| CN2310618Y (en) * | 1997-07-11 | 1999-03-17 | 李黔鲁 | Electric heating flour- and pulp-milling pulverizer |
| CN2353445Y (en) * | 1999-02-26 | 1999-12-15 | 王力民 | Rotary pulsating superfine-microparticle powder disintegrator |
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| CN101892604A (en) | 2010-11-24 |
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