CN204724144U - A kind of spouted fluidized machine preparing multiple dimensioned solid-phase mixture - Google Patents

Abstract

The utility model belongs to fluidization technique field.Prepare a spouted fluidized machine for multiple dimensioned solid-phase mixture, comprise cylindrical shell, conical distributor, agitating device, discharge system and pipeline cutting cutting mill; Cylinder lateral wall is provided with charging aperture and discharging opening, and discharging opening is positioned at the top of charging aperture; Conical distributor is arranged on cylindrical shell bottom, for double-decker, comprise outer conical shell and inner cone body, inner cone physically offers the distribution hole of some distributing gas, outer conical shell lower end is connected with fluidized gas pipeline, the lower end of inner cone body is connected with spouted air pipe, and spouted air pipe is arranged in fluidized gas pipeline, and coaxial with it; Agitating device comprises the shaft motor and stirring wheel that run through cylindrical shell end socket; Also be provided with spouted pipe in cylindrical shell, spouted pipe upper end is positioned at immediately below stirring wheel, and lower end extends in inner cone body conical cavity, and pipeline cutting cutting mill is arranged on spouted air pipe one end.The utility model can carry out disperseing efficiently to mix to be merged into net to carry to obtain mixing stable product to multiple dimensioned solid phase.

Description

A kind of spouted fluidized machine preparing multiple dimensioned solid-phase mixture

Technical field

The utility model belongs to spouted fluidized technical field.

Background technology

Composite, because having given full play to the synergy between each component, drastically increases its corresponding mechanics and physical property, thus obtains a wide range of applications in each field.Fibre reinforced composites are the important members in compositional material families.In the preparation of fibre reinforced composites, need various form and the fiber of knitting state and the matrix (abbreviation matrix) be enhanced to carry out flooding and shaping according to technological requirement, a series products wherein then needs continuous fiber to cut into certain length and cut staple for the preparation of composite.And this process need is by fibre cutting, dispersion complete after mixing with matrix again and flood and shape.Consider from technology and economic angle, this process can both with need the serialization realizing production technology.

Chinese patent CN1259183C discloses and a kind ofly adopts the stirring-spraying fluidized bed method and apparatus preparing fibre reinforced composites, take air as fluidizing agent, by fluidisation with stir and realize fully mixing of polymeric matrix and fiber in fluid bed, and fibre bundle is separated into the monofilament having adsorbed polymeric matrix, achieve fibre single thread and basal body interface fully floods, after being pressed into GMT sheet material, the mechanical performance of GMT sheet is very excellent.Chinese patent CN102416717A, CN102416718A, CN102350254A disclose a kind of cluster-shaped fiber pneumatic stirring dispersing web forming device, after fiber is cut-off by negative pressure transportation to pneumatic dispersion mixing chamber, in expansion chamber, carry out electrostatic dusting mixing after become net conveying again.Chinese patent CN203765822U discloses and a kind of stirs spouted fluidized bed, which employs multiple impellers in tubaeform guide shell and guide shell to improve fiber dispersion and with the mixing of matrix powder.The problem that also exists in disclosed patent that spouted fluidized flow field synergy is limited, multilayer agitated flow large, charging transmitting power is not enough, have impact on the dispersion mixing of multiple dimensioned solid phase and the stability of product quality.

In the preparation of fibre reinforced composites, need according to technological requirement the fiber and the cut staple that continuous fiber are cut into certain length, in follow-up equipment, complete matrix to the dipping of reinforcement fiber and cut staple and sizing obtains composite.Need continuous fiber is cut off and disperses in this process preparing composite, also need fiber to be delivered in downstream equipment make it into felt and complete dipping together with base film simultaneously; Or the chopped strand of dispersion and the premixed of powdery matrix, then or chopped strand and fibrous matrix are pre-blended into felt, in downstream equipment, then complete dipping obtain composite.And said process has continuous fiber cut-out, dispersion and then mixes with matrix and the requirement of carrying, thus realize the serialization producing technique.

A kind of vehicle-mounted fiber cutting cutterhead of Chinese patent CN203795284U utility model, the shearing cutterhead described in it can use on the fiber cutting equipment that fiber micro-surfacing spreads out and puts on machine, have maneuverability.A kind of Multi-purpose fiber cutting machine of Chinese patent CN201981413U utility model, described fibre cutting machine blade accurate positioning, cutting accuracy are high, and cut fiber collecting is in hopper.A kind of glass fibre cutting of Chinese patent CN104355537A utility model dispersion machine, described glass fibre cutting dispersion machine adopts the behavior of breaing up wheel dispersion cutting, and by conveyer belt downstream transport.A kind of glass fibre cutting structure of Chinese patent CN203794788U utility model, adopts and breaks up wheel and break up the fiber that roller dispersion cuts off, collected by aggregate bin, tape transport.Chinese patent discloses CN203505055U glass fibre cutter sweep, and described cutter sweep has coordinated glass cutting by rotor with rubber rollers.Above-mentioned disclosed fibre cutting machine is all utilize the Action of Gravity Field of fiber by the fiber collecting after prescinding, and then disperse feeding fluidizing equipment again, comparatively light owing to prescinding rear fiber gravity, be not easy to be separated from cutting machine, result in blockage phenomenon; In addition, cut rear Fiber Aspect Ratio if short comparatively large, also easily cause between fiber the phenomenon being mutually wound around, tiing a knot, be unfavorable for follow-up fluidization dispersions.

Utility model content

The technical problems to be solved in the utility model is: the deficiency overcoming spouted fluidized bed dispersion mixing in prior art, provides the spouted fluidized machine of a kind of multiple dimensioned solid phase and a kind of method preparing multiple dimensioned solid-phase mixture.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: the spouted fluidized dispersing mixer of a kind of multiple dimensioned solid phase, comprises cylindrical shell, conical distributor, agitating device, discharge system and pipeline cutting cutting mill;

Described cylindrical shell top is provided with end socket, and its sidewall is provided with charging aperture and discharging opening, and described discharging opening is positioned at the top of charging aperture, and described discharge system and described discharging opening are in succession;

Described conical distributor is arranged on cylindrical shell bottom, for double-decker, comprise outer conical shell and inner cone body, breather chamber is formed between described outer conical shell and inner cone body, described inner cone physically offers the distribution hole of some distributing gas, and described outer conical shell lower end is connected with fluidized gas pipeline, and the lower end of described inner cone body is connected with spouted air pipe, described spouted air pipe is arranged in described fluidized gas pipeline, and coaxial with it;

Described agitating device comprises the shaft that runs through cylindrical shell end socket and is separately positioned on the motor at shaft two ends and circular stirring wheel, and described stirring wheel is arranged in cylindrical shell, and described stirring wheel is between described charging aperture and discharging opening; Also be provided with spouted pipe in described cylindrical shell, described spouted pipe upper end is positioned at immediately below described stirring wheel, and lower end extends in inner cone body conical cavity, and described spouted pipe is coaxial with spouted air pipe; Described spouted air pipe is connected with described pipeline cutting cutting mill.

Further, described discharge system comprise connect in turn material outlet pipe, material adapter, material expansion chamber, become net cage, peel off hired roughneck, pressure roller and convoying curtain; Described material outlet pipe is connected with described discharging opening, described material adapter and material expansion chamber are arranged straight down, described material adapter is connected with the elbow of material outlet pipe by inner wall smooth, described material expansion chamber is from top to bottom in one dimension or two-dimensional expansion shape, described material expansion chamber lower dimension matches with the entrance of described one-tenth net cage, when expansion chamber is one-dimensional expansion, material expansion chamber cross section is Long Circle, material expansion chamber ellipsoidal cross section when expansion chamber is two-dimensional expansion;

Be provided with dust cage in described one-tenth net cage, described dust cage center is provided with the air draught groove of opening upwards, and described dust cage is also provided with the air draught outlet be communicated with described air draught groove.

As preferably, outline line and the vertical curve angle γ of described material expansion chamber expansion are 3 ° ~ 15 °, preferably 6 ° ~ 10 °.Higher from the material pneumatic speed in cylindrical shell, there is jet characteristics.The angle of flare of effluxvelocity distribution stable and uniform is within 15 °.Angle too small, and can be too high with the expansion chamber becoming net cage to coordinate to need by its underpart expansion then as at Bottomhole pressure, is unfavorable for equipment de-sign and layout.

Further, twin-screw is provided with in described charging aperture.

As preferably, described spouted pipe diameter is 0.2 ~ 0.35 times of described barrel diameter, preferably 0.25 ~ 0.3 times, gas speed in spouted pipe requires higher, to continue to carry out turbulence dispersion to multiple dimensioned solid phase, simultaneously inside and outside spouted pipe, form speed difference, to produce bottom spouted pipe lift upwards, spouted pipe and produce and charging aperture material gravity down-force in the same way, form the circulation of material thus, and then the turbulence dispersion that material is stood repeatedly mixes.Velocity ratio inside and outside the spouted pipe controlled is 5 ~ 20, and the velocity ratio of optimization is 10 ~ 15; Described fluidized gas pipeline diameter is 0.4 ~ 1.2 times of spouted pipe diameter, preferably 0.8 ~ 1 times; The diameter of described circular stirring wheel is 1.1 ~ 1.5 times of spouted pipe diameter, preferably 1.2 ~ 1.4 times.The effect of stirring wheel carries out subregion to spouted fluidized bed flow field, its function is: avoid the high-speed material stream from spouted pipe directly to rush to summit, logistics short circuit is flowed out and is entered expansion chamber, and this material does not reach good dispersion, and does not fully mix with the solid phase from charging aperture; Also need the material that dispersion can be made to mix to flow out, diameter is too little, then last effect can not play simultaneously, and too greatly, then after, an effect can not be guaranteed.

Further, some described distribution holes are evenly distributed on inner cone and physically form distribution hole array, and described distribution hole diameter is 1 ~ 5mm, preferably 1.5 ~ 3mm.Aperture too little then fluidized gas resistance drop is large, and gas circuit power consumption strengthens; Too large then distribution of gas is uneven, likely causes the local buoyancy of granule materials not enough and falls into pipeline, affecting production run.

Further, the cone angle of described conical distributor is 20 ° ~ 160 °, preferably 30 ° ~ 120 °, and this angle, for adjusting Flow Field Distribution, is avoided producing air velocity low regime and making to need the multiple dimensioned solid phase of dispersion mixing can not leave bottom.It is similar to flat board that angle crosses conference, produces obvious low regime at edge, and impact runs, too small, can affect the cyclic space and path; Distance intermarginal under inner cone body lower edge and spouted pipe is 3 ~ 10 times of spouted air pipe internal diameter, adjust the distance bottom spouted pipe and distributor, ensure spouted fluidized cyclic space path and from the jet subtended angle of spouted air pipe supplied materials air-flow and jet entrainment space, the circulation unstability of the too short logistics of this distance, oversize then also can unstability in spouted tube inlet section, both can produce useless power consumption.

Further, described fluidized gas pipeline lower end is connected with inlet for fluidization air pipe, and between described conical distributor lower end to inlet for fluidization air pipe, length is 8 ~ 20 times of described fluidized gas pipeline diameter, preferably 10 ~ 15 times.Ensure fluidisation steady air current, too small then unstable, excessive, waste the device space.

As preferably, the air velocity of described spouted pipe is 5 ~ 200m/s, preferably 30 ~ 120m/s, too low not conveying and turbulence dispersion ability, and too high meeting is uttered long and high-pitched sounds, produce vibration even damages; In described fluidized gas pipeline, gas flow rate is 0.5 ~ 20m/s, preferably 2 ~ 8m/s, fluidized gas produces uniform velocity field bottom distributor, to the motive force that the material that may sink to the bottom is suitable, but avoid material to fall into pipeline again, the minimum sinking speed according to different scale and density solid phase is arranged.This speed is applicable to the particle of most of below diameter 1mm.

Described pipeline cutting cutting mill, the rotating disk knife rest, hold-down mechanism, fiber tension device, air inlet pipeline and the actuating unit that comprise frame, be arranged on the transmission tube at frame two ends respectively by bearing and rotate pipe, be arranged on transmission tube and rotate between pipe;

Described rotating disk knife rest comprise be separately positioned on transmission tube and rotate pipe opposite side two mouthpieces, be arranged on two mouthpiece two ends respectively, and a pair cutterhead be dynamically connected with adapter oral instructions and for fixing this fixed bar to cutterhead, described adapter mouth is communicated with the space between cutterhead; Described cutterhead offers caulking groove, in described caulking groove, set of blades is installed, two described mouthpieces respectively with transmission tube with rotate pipe and be communicated with, and to be in transmission connection; Described air inlet pipeline and spouted air pipe are managed with rotation respectively and transmission tube sealed rotational is connected; Described actuating unit and described transmission tube are in transmission connection; Described fiber tension device is used for fiber to be incorporated between described cutterhead, and described hold-down mechanism is for compressing the fiber be wrapped between cutterhead.Actuating unit is utilized to drive transmission tube to rotate, air inlet pipeline passes into air-flow, thus drive rotating disk blade holder turns, fiber tension device is utilized to introduce between cutterhead by fiber, be wrapped in set of blades, the compacted mechanism of fiber be wrapped in set of blades compresses, and sealing function is produced to cutterhead, ensure that the air-flow of air inlet pipe flows and do not reveal on pipeline, thicken along with fibrolaminar on cutterhead, under the effect of hold-down mechanism and set of blades, fiber is cut off, cut-off fiber is taken away by the air-flow of air inlet pipeline, discharged by spouted air pipe, the gas flow of pipeline, according to the output of cut-off fiber, dispersion and conveying requirement regulate.

Further, for making cutterhead and mouthpiece have good sealing, described rotating disk knife rest is integrated, and described fixed bar quantity is 2 ~ 8, is preferably 4; Described cutterhead is also provided with the fixing Hafu-type compressing tablet for compressing set of blades.

As preferably, change cutterhead for convenience, described cutterhead and adapter mouth removably connect; Described cutterhead is also provided with the fixing Hafu-type compressing tablet for compressing set of blades.

Further, in described set of blades, knife number is no less than 6.

Particularly, described hold-down mechanism comprises the A/C be arranged in frame, is arranged on the compressor arm in A/C and is arranged on the contact roller of compressor arm near one end of cutterhead, distance between described contact roller and described cutterhead is 2 ~ 6mm, preferred 3mm, described compressor arm provides compression power by air compressor.

As preferably, change for convenience and reach good sealing, the mouthpiece described in two by removable connector respectively with described transmission tube with rotate the seal of tube and be in transmission connection.

Further, described transmission tube is provided with driven gear, described frame is provided with power transmission shaft, described actuating unit is connected with described transmission shaft driven, and described power transmission shaft and described driven gear are in transmission connection, and described actuating unit is frequency control motor.

As preferably, be rotationally connected and sealing respectively and between air inlet pipeline and spouted air pipe for ensureing transmission tube and rotating pipe, described transmission tube and rotate Guan Jun and be connected with described air inlet pipeline and spouted air pipe respectively with stationary seal ring by moving sealing ring.

Above-mentioned spouted fluidized mechanism is utilized for the method for multiple dimensioned solid-phase mixture to be, the fiber cut off through pipeline cutting cutting mill directly enters in cylindrical shell by spouted air pipe, another yardstick solid-phase material is added from material feeding mouth, under stirring wheel effect, the gap Inner eycle dispersion mixing of multiple dimensioned solid-phase material between spouted pipe and outside cylindrical shell thereof, multiple dimensioned solid-phase material enters in the barrel space of stirring wheel top through the gap between stirring wheel and cylindrical shell after dispersion, is exported by discharge system through discharging opening.

The beneficial effects of the utility model are, spouted fluidized machine of the present utility model achieves the spouted fluidized dispersion mixing process of a kind of multiple dimensioned solid phase, the multiple dimensioned solid phase of magnitude differences can be had to disperse mixing efficiently to draw ratio, and become net conveying acquisition dispersion to mix stable product.The utility model is to spouted fluidized bed and the many components of expansion chamber have carried out structural design and spatial match is arranged, significantly improves the stability of production run and product quality;

The utility model is pipeline cutting cutting mill is direct and spouted fluidized equipment connection also, effectively disperses, and directly carry in spouted fluidized machine while fiber prescinds.In pneumatic convey pipeline, accurate fixed length cutting is carried out to continuous fiber, cut-off fiber immediately disperse by swiftly flowing air-flow and be transported in upstream device, achieve the fixed length cutting of continuous fiber, dispersion and conveying three kinds of functions complete also serialization simultaneously.The utility model make use of pneumatic convey, shears dispersion principle, fibre cutting machine is designed dexterously in pipeline, and by the certain thickness fibrage that has closely be wound around, sealing is realized to rotating disk knife rest, on blade cutting edge contact roller positive pressure under fibre fixed-length is cut off, cut-off fiber can be disperseed by high velocity air shearing immediately and realize the diluted phase transport of air-flow, avoids blocking and tangled up and knotted phenomenon.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is the spouted fluidized dispersing mixer structural representation of multiple dimensioned solid phase;

Fig. 2 conical distributor structural representation;

Fig. 3 is air draught groove and air draught outlet syndeton schematic diagram;

Fig. 4 is pipeline cutting cutting mill front view;

Fig. 5 is pipeline cutting cutting mill perspective view;

In figure: 1. cylindrical shell, 2. conical distributor, 3. spouted pipe, 4. stirring wheel, 5. shaft, 6. end socket, 7. motor, 8. material outlet pipe, 9. elbow, 10. material adapter, 11. expansion chambers, 12. one-tenth net cages, 13. peel off hired roughneck, 14. pressure rollers, 15. convoying curtains, 16. dust cages, 17. air draught grooves, 18. air draught outlets, 19. spouted air pipes, 20. inlet for fluidization air pipes, 21. fluidized gas pipelines, 22. charging apertures, 23. twin-screws, 24. flanges, 25. outer conical shell, 26. inner cone bodies, 27. distribution holes, 28. breather chamber, 30. frames, 31. transmission tubes, 32. rotate pipe, 33. mouthpieces, 34. cutterheads, 35. set of blades, 36. air inlet pipelines, 37. connectors, 38. power transmission shafts, 39. moving sealing rings, 40.Stationary seal ring, 41. conduits, 42. compressor arms, 43. contact rollers, 44. fiber tension devices, 45. Hafu-type compressing tablets, 46. driven gears; In Fig. 1, dotted line represents multiple dimensioned solid phase circulating path.

Detailed description of the invention

By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.

Embodiment 1

As shown in Figure 1, the spouted fluidized dispersing mixer of a kind of multiple dimensioned solid phase, comprises cylindrical shell 1, conical distributor 2, agitating device, discharge system and pipeline cutting cutting mill;

Described cylindrical shell 1 top is provided with dished bottom 6 by flange 24, and its sidewall is provided with charging aperture 22 and discharging opening, and described discharging opening is positioned at the top of charging aperture 22, and described discharge system and described discharging opening are in succession;

As shown in Figure 2, described conical distributor 2 is arranged on cylindrical shell 1 bottom by flange 24, for double-decker, comprise outer conical shell 25 and inner cone body 26, breather chamber 28 is formed between described outer conical shell 25 and inner cone body 26, described inner cone body 26 offers the distribution hole 27 of some distributing gas, described outer conical shell 25 lower end is connected with fluidized gas pipeline 21, the lower end of described inner cone body 26 is connected with spouted air pipe 19, described spouted air pipe 19 is arranged in described fluidized gas pipeline 21, and coaxial with it;

As shown in Figure 1, described agitating device comprises the shaft 5 running through cylindrical shell 1 end socket 6 and the motor 7 being separately positioned on shaft 5 two ends and circular stirring wheel 4, described stirring wheel 4 is arranged in cylindrical shell 1, and described stirring wheel 4 is between described charging aperture 22 and discharging opening; Also be provided with spouted pipe 3 in described cylindrical shell 1, described spouted pipe 3 upper end is positioned at immediately below described stirring wheel 4, and lower end extends in inner cone body 26 conical cavity, described spouted pipe 3 and cylindrical shell 1 and spouted air pipe 19 coaxial;

Described discharge system comprise connect in turn material outlet pipe 8, material adapter 10, material expansion chamber 11, become net cage 12, peel off hired roughneck 13, pressure roller 14 and convoying curtain 15; Described material outlet pipe 8 is connected with described discharging opening, described material adapter 10 and material expansion chamber 11 are arranged straight down, described material adapter 10 is connected with the elbow 9 of material outlet pipe 8 by inner wall smooth, from top to bottom in one dimension or two-dimensional expansion shape, (during in one-dimensional expansion, its opening section is Long Circle to described material expansion chamber 11, its opening section ovalize during one-tenth two-dimensional expansion), described material expansion chamber 11 lower dimension matches with the entrance of described one-tenth net cage 12;

As shown in Figure 3, be provided with dust cage 16 in described one-tenth net cage 12, described dust cage 16 center is provided with the air draught groove 17 of opening upwards, and described dust cage 16 is also provided with the air draught outlet 18 be communicated with described air draught groove 17.

As shown in Figures 4 and 5, rotating disk knife rest, hold-down mechanism, fiber tension device 44, air inlet pipeline 36 and actuating unit that described pipeline cutting cutting mill comprises frame 30, is arranged on the transmission tube 31 at frame 30 two ends and rotates pipe 32, be arranged on transmission tube 31 and rotate between pipe 32 respectively by bearing;

Described rotating disk knife rest comprise be separately positioned on transmission tube 31 and rotate pipe 32 opposite side two mouthpieces 33, be arranged on two mouthpiece 33 two ends respectively, and a pair cutterhead 34 be dynamically connected with adapter oral instructions and for fixing this fixed bar to cutterhead 34, described adapter mouth is communicated with the space between cutterhead 34, the mouthpiece 33 described in two by removable connector 37 respectively with described transmission tube 31 with rotate pipe 32 and seal and be in transmission connection; Described cutterhead 34 offers caulking groove, set of blades 35 is installed in described caulking groove, two described mouthpieces 33 respectively with transmission tube 31 with rotate pipe 32 and be communicated with, and to be in transmission connection; Described transmission tube 31 is all connected with described air inlet pipeline 36 and spouted air pipe 19 sealed rotational with stationary seal ring 40 by moving sealing ring 39 respectively with rotation pipe 32; Described fiber tension device 44 is for being incorporated between described cutterhead 34 by fiber, described hold-down mechanism is for compressing the fiber be wrapped between cutterhead 34.

Described rotating disk knife rest is integrated, and described fixed bar quantity is 2 ~ 8, is preferably 4; Described cutterhead 34 is also provided with the fixing Hafu-type compressing tablet 45 for compressing set of blades 35.In described set of blades 35, knife number is no less than 6

Described hold-down mechanism comprises the A/C 41 be arranged in frame 30, is arranged on the compressor arm 42 in A/C 41 and is arranged on the contact roller 43 of compressor arm 42 near one end of cutterhead 34, distance between described contact roller 43 and described cutterhead 34 is 2 ~ 6mm, preferred 3mm, described compressor arm 42 provides compression power by air compressor.

Described transmission tube 31 is provided with driven gear 46, described frame 30 is provided with power transmission shaft 38, described actuating unit and described power transmission shaft 38 are in transmission connection, and described power transmission shaft 38 is in transmission connection with described driven gear 46, and described actuating unit is frequency control motor.

Its operation principle is as follows: utilize actuating unit to drive transmission tube 31 to rotate, thus drive rotating disk blade holder turns, air inlet pipeline 36 passes into spouted air-flow, fiber tension device 44 is utilized to be introduced by fiber between cutterhead 34, be wrapped in set of blades 35, the compacted mechanism of fiber be wrapped in set of blades 35 compresses, and sealing function is produced to cutterhead 34, ensure that the air-flow of air inlet pipe flows and do not reveal on pipeline, thicken along with fibrolaminar on cutterhead 34, under the effect of hold-down mechanism and set of blades 35, fiber is cut off, cut-off fiber is taken away by spouted air-flow, discharged by spouted air pipe 19, the gas flow of pipeline, according to the output of cut-off fiber, dispersion and conveying requirement regulate.

Fiber through prescinding is entered spouted air pipe 19 by spouted pneumatic convey, and enters spouted pipe 3 through conical distributor 2, and the turbulent shear making it reach air-flow dispersion.Stirring wheel 4 is arranged in the top of spouted pipe 3, avoid and from the high velocity air of spouted pipe 3, fiber is directly taken to material outlet pipe 8, flow field simultaneously in stirring wheel 4 pairs of spouted fluidized beds is carried out subregion and forms circulation flow field (as indicated by a broken line in fig. 1), spouted fluidized airflow circulating flow field ensure that another yardstick material from charging aperture 22 moves downward, and disperse with fiber, do not have its sinking speed of material of dispersion large, namely upwards suspend need air velocity high, therefore, in operation airflow range, only have the material of dispersion good mixing to pass in the gap between stirring wheel 4 and cylindrical shell 1, discharge from material outlet pipe 8 after stirring wheel 4 upper space appropriateness circulation mixing.The material that material outlet pipe 8 is discharged, net cage 12 is entered into through expansion chamber 11, by dust cage 16 lapping in one-tenth net cage 12, the air draught groove 17 being positioned at dust cage 16 can regulate dust cage 16 one-tenth net distributing homogeneity, air draught outlet 18 is by outside the air-flow discharge system of suction in air draught groove 17, finally by stripping hired roughneck 13, material on dust cage 16 is peeled off, and transfer them to pressure roller 14, then send through convoying curtain 15.

The outline line that described material expansion chamber 11 is expanded and vertical curve angle γ are 3 ° ~ 15 °, preferably 6 ° ~ 10 °.

Twin-screw 23 is provided with in described charging aperture 22; Described fiber comprises natural fiber or chemical fibre.

Described spouted pipe 3 diameter is 0.2 ~ 0.35 times of described cylindrical shell 1 diameter, preferably 0.25 ~ 0.3 times, and described fluidized gas pipeline 21 diameter is 0.4 ~ 1.2 times of spouted pipe 3 diameter, preferably 0.8 ~ 1 times; The diameter of described circular stirring wheel 4 is 1.1 ~ 1.5 times of spouted pipe 3 diameter, preferably 1.2 ~ 1.4 times.

Some described distribution holes 27 are evenly distributed on inner cone body 26 and form distribution hole 27 array, and described distribution hole 27 diameter is 1 ~ 5mm, preferably 1.5 ~ 3mm.

The cone angle of described conical distributor 2 is 20 ° ~ 160 °, preferably 30 ° ~ 120 °; Distance intermarginal under inner cone body lower edge and spouted pipe is 3 ~ 10 times of spouted air pipe internal diameter.

Described fluidized gas pipeline 21 lower end is connected with inlet for fluidization air pipe 20, and between described conical distributor 2 lower end to inlet for fluidization air pipe 20, length is 8 ~ 20 times of described fluidized gas pipeline 21 diameter, preferably 10 ~ 15 times.

The air velocity of described spouted pipe 3 is 5 ~ 200m/s, preferably 30 ~ 120m/s, and in described fluidized gas pipeline 21, gas flow rate is 0.5 ~ 20m/s, preferably 2 ~ 8m/s.

Described motor 7 is frequency control motor, and in device, twin-screw 23, induced-draught fan, dust cage 16, stripping hired roughneck 13, convoying curtain 15 also all adopt frequency control motor to drive.

Embodiment 2

One as embodiment 1 is improved, and for convenience of changing cutterhead 34, described cutterhead 34 removably connects with adapter mouth; Described cutterhead 34 is also provided with the fixing Hafu-type compressing tablet 45 for compressing set of blades 35.Other structures are with embodiment 1.

It should be noted that, embodiment of the present utility model is only in order to illustrate the technical solution of the utility model and unrestricted, other amendments that those of ordinary skill in the art make the utility model scheme or equivalently to replace, only want the spirit and scope departing from technical solutions of the utility model, all should be encompassed in the middle of right of the present utility model.

Claims (9)

1. prepare a spouted fluidized machine for multiple dimensioned solid-phase mixture, it is characterized in that: comprise cylindrical shell (1), conical distributor (2), agitating device, discharge system and pipeline cutting cutting mill;

Described cylindrical shell (1) top is provided with end socket (6), its sidewall is provided with charging aperture (22) and discharging opening, described discharging opening is positioned at the top of charging aperture (22), and described discharge system and described discharging opening are in succession;

Described conical distributor (2) is arranged on cylindrical shell (1) bottom, for double-decker, comprise outer conical shell (25) and inner cone body (26), breather chamber (28) is formed between described outer conical shell (25) and inner cone body (26), described inner cone body (26) offers the distribution hole (27) of some distributing gas, described outer conical shell (25) lower end is connected with fluidized gas pipeline (21), the lower end of described inner cone body (26) is connected with spouted air pipe (19), described spouted air pipe (19) is arranged in described fluidized gas pipeline (21), and it is coaxial with it,

Described agitating device comprises the shaft (5) running through cylindrical shell (1) end socket (6) and the motor (7) being separately positioned on shaft (5) two ends and circular stirring wheel (4), described stirring wheel (4) is arranged in cylindrical shell (1), and described stirring wheel (4) is positioned between described charging aperture (22) and discharging opening; Spouted pipe (3) is also provided with in described cylindrical shell (1), described spouted pipe (3) upper end is positioned at immediately below described stirring wheel (4), lower end extends in inner cone body (26) conical cavity, and described spouted pipe (3) is coaxial with cylindrical shell (1); Described spouted air pipe is connected with described pipeline cutting cutting mill.

2. the spouted fluidized machine of the multiple dimensioned solid-phase mixture of preparation according to claim 1, is characterized in that: described discharge system comprise connect in turn material outlet pipe (8), material adapter (10), material expansion chamber (11), become net cage (12), peel off hired roughneck (13), pressure roller (14) and convoying curtain (15); Described material outlet pipe (8) is connected with described discharging opening, described material adapter (10) and material expansion chamber (11) are arranged straight down, described material adapter (10) is connected with the elbow (9) of material outlet pipe (8) by inner wall smooth, described material expansion chamber (11) is from top to bottom in one dimension or two-dimensional expansion shape, and described material expansion chamber (11) lower dimension matches with the entrance of described one-tenth net cage (12);

In described one-tenth net cage (12), dust cage (16) is installed, described dust cage (16) center is provided with the air draught groove (17) of opening upwards, and described dust cage (16) is also provided with the air draught outlet (18) be communicated with described air draught groove (17).

3. the spouted fluidized machine of the multiple dimensioned solid-phase mixture of preparation according to claim 2, it is characterized in that: described spouted pipe (3) diameter is 0.2 ~ 0.35 times of described cylindrical shell (1) diameter, described fluidized gas pipeline (21) diameter is 0.4 ~ 1.2 times of spouted pipe (3) diameter; The diameter of described circular stirring wheel (4) is 1.1 ~ 1.5 times of spouted pipe (3) diameter; The outline line that described material expansion chamber (11) is expanded and vertical curve angle are 3 ° ~ 15 °; Twin-screw (23) is provided with in described charging aperture (22).

4. the spouted fluidized machine of the multiple dimensioned solid-phase mixture of preparation according to claim 1, it is characterized in that: some described distribution holes (27) are evenly distributed on inner cone body (26) and form distribution hole (27) array, and described distribution hole (27) diameter is 1 ~ 5mm; The cone angle of described conical distributor (2) is 20 ° ~ 160 °; Distance intermarginal under inner cone body (26) lower edge and spouted pipe (3) is 3 ~ 10 times of spouted air pipe (19) internal diameter.

5. the spouted fluidized machine of the multiple dimensioned solid-phase mixture of preparation according to claim 1, it is characterized in that: described fluidized gas pipeline (21) lower end is connected with inlet for fluidization air pipe (20), between described conical distributor (2) lower end to inlet for fluidization air pipe (20), length is 8 ~ 20 times of described fluidized gas pipeline (21) diameter.

6. the spouted fluidized machine of the multiple dimensioned solid-phase mixture of preparation according to claim 1 and 2, is characterized in that: rotating disk knife rest, hold-down mechanism, fiber tension device (44), air inlet pipeline (36) and actuating unit that described pipeline cutting cutting mill comprises frame (30), is arranged on the transmission tube (31) at frame (30) two ends and rotates pipe (32), be arranged on transmission tube (31) and rotate between pipe (32) respectively by bearing;

Described rotating disk knife rest comprise be separately positioned on transmission tube (31) and rotate pipe (32) opposite side two mouthpieces (33), be arranged on two mouthpiece (33) two ends respectively, and a pair cutterhead (34) be dynamically connected with adapter oral instructions and for fixing this fixed bar to cutterhead (34), the space between described adapter mouth with cutterhead (34) is communicated with; (34) offer caulking groove with described cutterhead, set of blades (35) is installed in described caulking groove, two described mouthpieces (33) are managed (32) with transmission tube (31) be communicated with being rotated respectively, and are in transmission connection; Described air inlet pipeline (36) and spouted air pipe (19) manage (32) with rotation respectively and transmission tube (31) sealed rotational is connected; Described actuating unit and described transmission tube (31) are in transmission connection.

7. the spouted fluidized machine of the multiple dimensioned solid-phase mixture of preparation according to claim 6, is characterized in that: described cutterhead (34) and adapter mouth are integrated or removably connect; Described cutterhead (34) is also provided with the fixing Hafu-type compressing tablet (45) for compressing set of blades (35); Described transmission tube (31) is all connected with described air inlet pipeline (36) and spouted air pipe (19) with stationary seal ring (40) by moving sealing ring (39) respectively with rotation pipe (32).

8. the spouted fluidized machine of the multiple dimensioned solid-phase mixture of preparation according to claim 7, it is characterized in that: described hold-down mechanism comprises the A/C (41) be arranged in frame (30), is arranged on the compressor arm (42) in A/C (41) and is arranged on the contact roller (43) of compressor arm (42) near one end of cutterhead (34), distance between described contact roller (43) and described cutterhead (34) is 2 ~ 6mm, and described compressor arm (42) provides compression power by air compressor.

9. the spouted fluidized machine of the multiple dimensioned solid-phase mixture of preparation according to claim 8, it is characterized in that: described transmission tube (31) is provided with driven gear (46), described frame (30) is provided with power transmission shaft (38), described actuating unit and described power transmission shaft (38) are in transmission connection, described power transmission shaft (38) and described driven gear (46) are in transmission connection, and described actuating unit is frequency control motor.