CN204338230U - Colloid mill - Google Patents
Colloid mill Download PDFInfo
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- CN204338230U CN204338230U CN201420699572.9U CN201420699572U CN204338230U CN 204338230 U CN204338230 U CN 204338230U CN 201420699572 U CN201420699572 U CN 201420699572U CN 204338230 U CN204338230 U CN 204338230U
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Abstract
The utility model discloses a kind of colloid mill, belong to mechanical field.Colloid mill of the present utility model, comprise stators and rotators, face, stator disk body one end and motor rotor one end face equal annular concentric distributed tooth section, the intersegmental formation dredging flow groove of adjacent teeth, stator disk body end face outermost layer tooth section is straight-tooth, other each layer tooth sections of stator disk body end face are stepped tooth, and the tooth depth of described straight-tooth is less than the tooth depth of stepped tooth described in stator disk body end face, and the dredging flow groove outer rim between adjacent two straight-tooth is blind slot; Motor rotor end face outermost layer tooth section is helical teeth, and other each layers of motor rotor end face are stepped tooth, and the tooth depth of described helical teeth is less than the tooth depth of stepped tooth described in motor rotor end face, and the dredging flow groove inner edge between adjacent two helical teeth is blind slot.The colloid mill structure comprising this stators and rotators of the present utility model is simple, and shear efficiency is high, long service life.
Description
Technical field
The utility model relates to mechanical equipment technical field, particularly a kind of colloid mill.
Background technology
Colloid mill comprises casing, cover, stator, rotor, body, main shaft, stator is fixedly mounted in cover, rotor is arranged on the main shaft in chassis cavity and coordinates with stator, main shaft is arranged on body by bearing arrangement, and body is provided with the device that rotor and stator gap are regulated coordinating with main shaft and drive main shaft to move axially.The rotation of main shaft rotor driven coordinates with stator grinds the medium entered between rotor and stator, stirs, and is then discharged by the outlet on casing under the action of the centrifugal.Traditional colloid mill stators and rotators is made up of chassis and fixed installation mill thereon respectively, and the mill on rotor and stator is made up of the ring dish of polylith dissimilar tooth form, and mutual corresponding matching, it is low that grinding efficiency sheared by traditional colloid mill.Generally need repeatedly overground during traditional colloid mill work, and shear, fineness that final particle after grinding does not reach requirement, also must grow refinement and just can reach construction requirement through growing tank.Not only waste various resource but also have impact on operating efficiency therebetween.
The patent of invention that publication No. is " CN102247908 A " discloses a kind of shearing grinding colloid grinder, comprise casing, cover, stator, rotor, body, main shaft, slack adjuster, it is characterized in that, stators and rotators offers stepped tooth section in the surperficial annular spread arrangement of disk body, and the intersegmental formation dredging flow groove of two teeth is formed; Colloid mill stators and rotators offers stepped tooth in the surperficial annular spread arrangement of disk body in other words, is distributed is provided with radial drainage groove formation at the surface perimeter of stators and rotators disk body.This invention is sheared grinding efficiency than traditional colloid mill and is increased, but its efficiency still haves much room for improvement.
Utility model content
In order to make up above deficiency, the invention provides and a kind ofly shear the high colloid mill of grinding efficiency.
The technical solution of the utility model is:
A kind of colloid mill, comprise stators and rotators, face, stator disk body one end and motor rotor one end face equal annular concentric distributed tooth section, the intersegmental formation dredging flow groove of adjacent teeth, stator disk body end face outermost layer tooth section is straight-tooth, other each layer tooth sections of stator disk body end face are stepped tooth, and the tooth depth of described straight-tooth is less than the tooth depth of stepped tooth described in stator disk body end face, and the dredging flow groove outer rim between adjacent two straight-tooth is blind slot; Motor rotor end face outermost layer tooth section is helical teeth, and other each layers of motor rotor end face are stepped tooth, and the tooth depth of described helical teeth is less than the tooth depth of stepped tooth described in motor rotor end face, and the dredging flow groove inner edge between adjacent two helical teeth is blind slot.Stator outermost layer tooth is straight-tooth (and longer, namely larger with motor rotor end contact area), and the dredging flow groove between its adjacent tooth is blind slot, namely obstructed with stator outer rim; And rotor outermost layer tooth is long helical teeth, the dredging flow groove between its adjacent tooth is also blind slot, and the stepped tooth outer rim adjacent with rotor is obstructed.This structure makes polymer can only flow in stator straight-tooth blind slot, goes back to again the long helical teeth groove of rotor and discharges, be called baffling mouth herein.The existence of baffling mouth makes polymer by arriving straight, helical teeth end face after the shearing of straight, helical teeth side after turning back, polymer again through directly, after helical teeth end surface grinding again by the most foreign minister's helical teeth groove discharge of rotor.
Preferably, each stepped tooth equal strength on described stator disk body end face in each layer stepped tooth tooth section; Each stepped tooth equal strength on described motor rotor end face in each layer stepped tooth tooth section.Equal and the intensity of each layer number of teeth often of the prior art is not etc.
Further, the contact area of described straight-tooth and described stator disk body end face is 2-4 times of stepped tooth and described stator disk body end contact area; The contact area of described helical teeth and described motor rotor end face is 2-4 times of stepped tooth and described motor rotor end contact area.This design in order to increase milling area, thus improves grinding effect.
Further, the tooth section that stator disk body end face annular concentric distributes from the inside to the outside each layer gear ring number of teeth is increase trend, and the stator disk body end face outermost layer gear ring straight-tooth number of teeth is 2-3 times of its innermost layer gear ring stepped tooth number of teeth; The tooth section that motor rotor end face annular concentric distributes from the inside to the outside each layer gear ring number of teeth is increase trend, and the motor rotor end face outermost layer gear ring helical teeth number of teeth is 2-3 times of its innermost layer gear ring stepped tooth number of teeth.
Comprise the colloid mill of described colloid mill stators and rotators, comprise stator case, charging aperture, stator, rotor, discharging opening, casing, main shaft, described main shaft is arranged on described casing by bearing arrangement, described stator is fixedly mounted in described stator case, described rotor to be fixedly mounted on the main shaft in casing and to coordinate with stator, shaft sealer is provided with between described main shaft and stator case working chamber, casing is provided with slack adjuster, described slack adjuster coordinates with main shaft and drives main shaft to move axially, stator disk body end face and motor rotor end face equal annular concentric distributed tooth section, the intersegmental formation dredging flow groove of adjacent teeth, stator disk body end face outermost layer tooth section is straight-tooth, other each layer tooth sections of stator disk body end face are stepped tooth, the tooth depth of described straight-tooth is less than the tooth depth of stepped tooth described in stator disk body end face, dredging flow groove outer rim between adjacent two straight-tooth is blind slot, motor rotor end face outermost layer tooth section is helical teeth, and other each layers of motor rotor end face are stepped tooth, and the tooth depth of described helical teeth is less than the tooth depth of stepped tooth described in motor rotor end face, and the dredging flow groove inner edge between adjacent two helical teeth is blind slot.
Preferably, each stepped tooth equal strength on described stator disk body end face in each layer stepped tooth tooth section; Each stepped tooth equal strength on described motor rotor end face in each layer stepped tooth tooth section; The contact area of described straight-tooth and described stator disk body end face is 2-4 times of stepped tooth and described stator disk body end contact area; The contact area of described helical teeth and described motor rotor end face is 2-4 times of stepped tooth and described motor rotor end contact area; The tooth section that stator disk body end face annular concentric distributes from the inside to the outside each layer gear ring number of teeth is increase trend, and the stator disk body end face outermost layer gear ring straight-tooth number of teeth is 2-3 times of its innermost layer gear ring stepped tooth number of teeth; The tooth section that motor rotor end face annular concentric distributes from the inside to the outside each layer gear ring number of teeth is increase trend, and the motor rotor end face outermost layer gear ring helical teeth number of teeth is 2-3 times of its innermost layer gear ring stepped tooth number of teeth.
Preferably, the shaft sealer place between described main shaft and described stator case working chamber is provided with cooling device.
Further, described cooling device is circulating water cooling device.During colloid mill work, temperature is at about 180 DEG C, and the shaft sealer of rotor axle head meeting frictional heat under the high-speed and continuous of main shaft rotates in addition, its temperature also will rise.For the service life of extending shaft sealing device, devise cooling device, in order to reduce the temperature at shaft sealer place.Its cooling device has coolant jacket at sealing place device, its cover is hollow and cooling chamber, cooling circulating water is entered cooling chamber by cooling chamber entrance and is flowed out by the delivery port of cooling chamber from cooling chamber opposite side, by recirculated water, the heat at armature spindle forward end seal place is taken away rapidly.
Preferably, described bearing arrangement comprises the bearing block be arranged in described casing, to be fixed on described bearing block and for the fore bearing that supports described main shaft and rear bearing; Described fore bearing is angular contact ball bearing, and described rear bearing is deep groove ball bearing.Front-end of spindle can be fixed on bearing block by the angular contact ball bearing of front end reliably, and ensures that front-end of spindle does not produce displacement in bearing block; The deep groove ball bearing of rear end only bears revolving force in rear-end of spindle, and the axial displacement that can produce by thermal stretching with main shaft moves around.This structure both ensure that the impact that the elongation that rotor produces after main shaft is heated protracts on rotor was minimum, can guarantee that again the elongation strain produced after main shaft is heated is digested by the axial displacement of rear support.
Further, described slack adjuster comprises the bearing block holder be fixedly connected with described bearing block, described bearing block holder exposes described casing, the tank surface of described bearing block holder both sides is provided with fixed block, described fixed block is provided with adjustment bolt and lock nut.
When using colloid mill of the present utility model to work, the concentric gear ring of stators and rotators inserts mutually, because each gear ring height is concentric, each layer stator and rotor gear ring is made mutually to carry out High Rotation Speed (outermost wire speed can reach 45m/s) with minimum gap (cold conditions gap is minimum for 0.06mm).Pending product enters the working chamber of colloid mill from entrance, intermeshed by stator and rotor adjacent bed between cog, teeth groove, tangent mutual motion, and at the bottom of each layer tooth, tooth top interplanar grinds, finally shear from outermost helical teeth transverse plane, grinding, baffling discharge.
The beneficial effects of the utility model are:
The outermost layer arriving stator and rotor under the centrifugal action rotated at rotor high-speed wait the polymer sheared after multistage shearing, grinding is straight, helical teeth place.Due to the effect of baffling mouth make polymer at this moment receive the resistance turned back after could be arrived directly by shearing that is straight, helical teeth side again, helical teeth end face.Due to straight, helical teeth is longer adds end surface grinding area, and interdental spaces is little, and the number of teeth is many, therefore makes that the polymer through multistage shearing, grinding obtains again directly, could arrive straight, helical teeth end face after the shearing of helical teeth higher frequency and refinement.Again due to gap controllable between straight, the mutual end face of helical teeth, so the polymer after being sheared finally could arrive outlet after straight, helical teeth end face make polymer again obtain refinement more fully after obtaining controlled grinding.
This specific course of work of the utility model colloid mill, will treat that the hard shearing of shear polymer solution, fine lapping, even homogenizing three are developed simultaneously.Make to treat the shear polymer solution once overground realization namely reaching production target, colloid mill of the present utility model can produce the emulsified SBS modified asphalt (granule content >=95% of SBS content >=10%, emulsified modified asphalt solid content >=75%, particle diameter≤5 μm in pitch) of high target.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model colloid mill;
Fig. 2 is the structural representation of coolant jacket assembly in the utility model colloid mill;
Fig. 3 is the structural representation of the utility model colloid mill rotor;
Fig. 4 is the sectional structure schematic diagram of Fig. 3;
Fig. 5 is the structural representation of the utility model colloid mill stator;
Fig. 6 is the sectional structure schematic diagram of Fig. 5;
Fig. 7 is the structural representation under stators and rotators mated condition.
Wherein:
A-coolant jacket assembly; B-fore bearing; C-rear bearing; D-slack adjuster;
1-flange; 2-feed pipe; 3-stator case; 4-O RunddichtringO; 5-casing; The wear-resisting steel bushing of 6-; 7-outside framework oil seal; 8-angular contact ball bearing; 9-bearing block; 10-main shaft; 11-deep groove ball bearing; 12-adjusting bolt; 13-fixed block; 14-locking nut; 15-bearing block holder; 16-coolant jacket; 17-combined seal; 18-rotor; 181-helical teeth; 182-stepped tooth; 183-dredging flow groove; 184-baffling mouth; 19-discharge nozzle; 20-stator; 201-straight-tooth; 202-stepped tooth; 203-dredging flow groove; 204-baffling mouth; 21-water gateway; 22-oil gateway; 23-oil sealing cover.
Detailed description of the invention
Embodiment
As shown in figs. 1-7, colloid mill comprises feed pipe 2, stator case 3, casing 5 and discharge nozzle 19 etc., and colloid mill left end is provided with the flange 1 be connected with a upper operation device therefor.Casing 5 internal fixtion is provided with bearing block 9, and main shaft 10 is by being fixedly installed on angular contact ball bearing 8 (fore bearing B) on bearing block 9 and deep groove ball bearing 11 (rear bearing C) is arranged in casing 5.Main shaft 10 extends in the working chamber of stator case 3 through casing, and the end winding support that main shaft 10 is positioned at working chamber connects rotor 18.Casing 5 is provided with two installing holes of bearing block 9, these two installing holes all can ensure that the bearing block 9 being fixed with main shaft 10 can not move radially in hole.Stator 20 is fixedly mounted in the working chamber in stator case 3, and cooperatively interacts with the concentric gear ring of rotor 18 and insert.
The axle journal place that main shaft 10 front end and working chamber need seal, device has the wear-resisting steel bushing 6 simultaneously rotated with main shaft 10, and endoporus and main shaft 10 major diameter fit of wear-resisting steel bushing 6 assemble, and the sealing of itself and working chamber is then realized by two O RunddichtringOs 4.The external diameter of wear-resisting steel bushing 6 contacts with the seal lip of the combined seal 17 in coolant jacket 16 endoporus and outside framework oil seal 7, thus prevents the seepage of work intracavity liquid reliably.The external diameter of wear-resisting steel bushing 6 bears the wearing and tearing of each oil sealing, and wear-resisting steel bushing can be changed easily.Combined seal 17, outside framework oil seal 7 are contained in the hole of coolant jacket, because there is cavity the centre of coolant jacket endoporus and external diameter, and is processed with cooling water gateway 21 and oily gateway 22.Coolant jacket assembly A is formed like this by cooling water gateway 21, oily gateway 22, oil sealing cover 23, outside framework oil seal 7, combined seal 17, coolant jacket 16.Because its temperature when working chamber works is at about 180 DEG C, 17, three outside framework oil seals 7 of two combined seals in addition in coolant jacket itself and the fricative heat of wear-resisting steel bushing 6 external diameter under the high-speed and continuous of main shaft 10 rotates make temperature also in continuous rising.In order to reduce temperature, extending the service life of seal, devising coolant jacket assembly A.During work, cooling water is entered by water inlet and by coolant jacket cavity, flows out, by recirculated water, the heat at armature spindle forward end seal place is taken away rapidly from water out.The lubrication of combined seal 17, outside framework oil seal 7 then passes into lubricating oil in the oil pocket formed between wear-resisting steel bushing 6 external diameter and coolant jacket 16 endoporus by oil-in, after lubricating, then is flowed out by oil export circulation each oil seal lip.Because circulating of oil also serves cooling effect equally to this position.Under circulation (mainly water circulation) effect of You Heshui, the temperature at armature spindle forward end seal place can be reduced to about 60 DEG C.
Colloid mill of the present utility model is also provided with slack adjuster D, and slack adjuster D comprises locking nut 14, fixed block 13, adjustment bolt 12, bearing block holder 15.Wherein, bearing block holder 15 is fixedly connected with bearing block 9, and bearing block holder 15 exposes casing 5.Casing 5 upper surface of bearing block holder 15 left and right sides is fixedly installed fixed block 13 more respectively, each fixed block 13 is provided with adjustment bolt 12 and locking nut 14.Under duty, whole bearing block 9 props up location mutually by adjustment bolt 12, also to be locked by the jackscrew of casing both sides simultaneously, when needing to adjust the gap between stator 20 and rotor 18, the jackscrew of casing both sides fixed bearing block 9 need be unclamped, unclamp locking nut 14 simultaneously, regulate adjustment bolt 12, just can realize bearing block 9 and drive main shaft 10 moving left and right vertically.
As shown in Figure 3, Figure 4, the disk body end face annular concentric distributed tooth section of rotor 18, the intersegmental formation dredging flow groove 183 of adjacent teeth.Motor rotor end face outermost layer tooth section is helical teeth 181, other each layer tooth sections of motor rotor surface are stepped tooth 182, each layer stepped tooth 182 equal strength, each layer tooth section from the inside to the outside number of teeth is increase trend, and the number of teeth of helical teeth 181 is 2-3 times of innermost layer stepped tooth 182 number of teeth.The length of helical teeth 181 is longer than stepped tooth 182 (area of helical teeth 181 end face is 2-4 times of stepped tooth 182 face area), and the height of the aspect ratio stepped tooth 182 of helical teeth 181 is low.
As shown in Figure 5, Figure 6, the disk body end face annular concentric distributed tooth section of stator 20, the intersegmental formation dredging flow groove 203 of adjacent teeth.Stator disk body end face outermost layer tooth section is straight-tooth 201, other each layer tooth sections of stator disc surface are stepped tooth 202, each layer stepped tooth 202 equal strength, each layer tooth section from the inside to the outside number of teeth is increase trend, and the number of teeth of straight-tooth 201 is 2-3 times of innermost layer stepped tooth 202 number of teeth.The length of straight-tooth 201 is longer than stepped tooth 202 (area of straight-tooth 201 end face is 2-4 times of stepped tooth 202 face area), and the height of the aspect ratio stepped tooth 202 of straight-tooth 201 is low.
Dredging flow groove 183 Inner edge on rotor 18 between adjacent two helical teeth 181 is blind slot, dredging flow groove 203 outer rim on stator 20 between adjacent two straight-tooth 201 is blind slot, this structure makes polymer can only flow in stator 20 straight-tooth blind slot, discharge again after going back to again rotor helical teeth blind slot, be called baffling mouth herein, see the baffling mouth 204 on stator in baffling mouth 184 on Fig. 4 rotor and Fig. 6.
Claims (4)
1. a colloid mill, comprise stators and rotators, face, stator disk body one end and motor rotor one end face equal annular concentric distributed tooth section, the intersegmental formation dredging flow groove of adjacent teeth, it is characterized in that: stator disk body end face outermost layer tooth section is straight-tooth, other each layer tooth sections of stator disk body end face are stepped tooth, and the tooth depth of described straight-tooth is less than the tooth depth of stepped tooth described in stator disk body end face, and the dredging flow groove outer rim between adjacent two straight-tooth is blind slot; Motor rotor end face outermost layer tooth section is helical teeth, and other each layers of motor rotor end face are stepped tooth, and the tooth depth of described helical teeth is less than the tooth depth of stepped tooth described in motor rotor end face, and the dredging flow groove inner edge between adjacent two helical teeth is blind slot.
2. colloid mill as claimed in claim 1, is characterized in that: each stepped tooth equal strength on described stator disk body end face in each layer stepped tooth tooth section; Each stepped tooth equal strength on described motor rotor end face in each layer stepped tooth tooth section.
3. colloid mill as claimed in claim 2, is characterized in that: the contact area of described straight-tooth and described stator disk body end face is 2-4 times of stepped tooth and described stator disk body end contact area; The contact area of described helical teeth and described motor rotor end face is 2-4 times of stepped tooth and described motor rotor end contact area.
4. colloid mill as claimed in claim 3, it is characterized in that: the tooth section that stator disk body end face annular concentric distributes from the inside to the outside each layer gear ring number of teeth is increase trend, the stator disk body end face outermost layer gear ring straight-tooth number of teeth is 2-3 times of its innermost layer gear ring stepped tooth number of teeth; The tooth section that motor rotor end face annular concentric distributes from the inside to the outside each layer gear ring number of teeth is increase trend, and the motor rotor end face outermost layer gear ring helical teeth number of teeth is 2-3 times of its innermost layer gear ring stepped tooth number of teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420699572.9U CN204338230U (en) | 2014-11-20 | 2014-11-20 | Colloid mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420699572.9U CN204338230U (en) | 2014-11-20 | 2014-11-20 | Colloid mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204338230U true CN204338230U (en) | 2015-05-20 |
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ID=53221533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420699572.9U Active CN204338230U (en) | 2014-11-20 | 2014-11-20 | Colloid mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204338230U (en) |
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2014
- 2014-11-20 CN CN201420699572.9U patent/CN204338230U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Jijiang Inventor after: Han Shoubing Inventor after: Sui Fuyun Inventor before: Chen Jijiang Inventor before: Sui Fuyun |
|
| CB03 | Change of inventor or designer information |