CN102872936A - Nanoscale dynamic separation-type grinder - Google Patents
Nanoscale dynamic separation-type grinder Download PDFInfo
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- CN102872936A CN102872936A CN2012103644872A CN201210364487A CN102872936A CN 102872936 A CN102872936 A CN 102872936A CN 2012103644872 A CN2012103644872 A CN 2012103644872A CN 201210364487 A CN201210364487 A CN 201210364487A CN 102872936 A CN102872936 A CN 102872936A
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- main shaft
- separator
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- chamber
- ring
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- 239000000463 material Substances 0.000 claims abstract description 41
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 239000004576 sand Substances 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 239000000047 product Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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Abstract
The invention relates to a nanoscale grinder, and particularly relates to a nanoscale dynamic separation-type grinder which comprises a grinding cylinder with a grinding chamber molded inside, and a feeding chamber communicated with the grinding chamber; the two ends of the grinding chamber are respectively sealed by end covers; one main shaft passes through the end covers and extends into the grinding chamber; a grinding rotor is disposed in the grinding chamber and is driven to rotate by the main shaft; the main shaft is hollow with an internal cavity forming a discharging chamber; one end of the main shaft is provided with a separator rotating with the main shaft; a separation chamber of the separator is communicated with the discharging chamber. The separator of the invention rotates with the main shaft to allow the grinded materials to be directly discharged from the discharging chamber of the main shaft; not only is the structure simple, and dynamic separation is realized; but also the separator is difficult to be obstructed by the grinded materials as a result of the centrifugal force generated by the rotation of the separator, and thus the grinding efficiency is improved; additionally, the separator is formed by laminating a plurality of separation ring layers, which is convenient for mounting, dismounting and cleaning; meanwhile, the gap of the separator and the diameter of the separation ring can be designed to be smaller, and thus nanoscale grinding is realized easily.
Description
Technical field
The present invention relates to grinder, is a kind of Dynamic Separation formula grinder that nanoscale grinds that reaches specifically.
Background technology
The kind of grinder is numerous, comprises the grinding machine for extra-fine grinding, for example: sand mill, ball mill, Raymond mill, stake grinding machine etc.; Also comprise wet milk, for example: the ball disc mill, colloidal mill, the air-flow grinding machine, the ultrasonic wave grinding machine, agitator mill, drum grinding machines etc. are grinder similarly.At present, the application of raising grinding efficiency and abrasive product precision and developing grinder is the research direction of grinder.Traditional grinder generally comprises inside and forms the sand cylinder of grinding chamber and the feed cavity that is communicated with this grinding chamber, end cap seal is passed through respectively at described grinding chamber two ends, main shaft passes an end cap and stretches in the grinding chamber, be provided with the grinding rotor by the main shaft driven rotary in this grinding chamber, separator is fixed in the grinding chamber, and be provided with discharge nozzle at another end cap, discharge nozzle communicates with the disengagement chamber of separator.When material after grinding rotor grinds, enter disengagement chamber by separator, then flow out from discharge nozzle.This traditional discharge method because separator is to be fixed in statically on another end cap that discharge nozzle installs, and generally is metal material and processes, and easily causes material and abrasive media to stop up separator, thereby has reduced grinding efficiency; Simultaneously, the separator of static type dismounting, cleaning inconvenience.
Summary of the invention
For above-mentioned technical problem, the invention provides and a kind ofly improve the dismounting of grinding efficiency and separator, clean more convenient nanoscale Dynamic Separation formula grinder.
The technical scheme that the present invention solves the problems of the technologies described above employing is: nanoscale Dynamic Separation formula grinder, comprise that inside forms the sand cylinder of grinding chamber and the feed cavity that is communicated with this grinding chamber, end cap seal is passed through respectively at described grinding chamber two ends, one main shaft passes described end cap and stretches in the grinding chamber, be provided with the grinding rotor by described main shaft driven rotary in this grinding chamber, described main shaft is hollow spindle, its internal cavities forms the discharging chamber, the end that described main shaft is positioned at grinding chamber is equipped with the separator that rotates with this main shaft, and the disengagement chamber of this separator is communicated with described discharging chamber.
Further, described separator comprises several stacked eseparation rings, and the interior ring of described several eseparation rings forms described disengagement chamber; One side of each described eseparation ring is provided with at least two axially extended boss, and the described boss between the two adjacent eseparation rings makes and forms the gap of passing through for grinding material between this two eseparation ring, and this gap communicates with described disengagement chamber.
As preferably, the another side correspondence of each described eseparation ring has been opened at least two grooves, and each described boss correspondence snaps in the described groove of adjacent eseparation ring.
Further, described grinding rotor is several abrasive disks that are installed on the described main shaft, is provided with described separator between every two adjacent abrasive disks.
Further, each eseparation ring of described separator is set in one section main shaft outside between two abrasive disks, is circumferentially with number row material path along this section main shaft, and each material path is communicated with described disengagement chamber with the discharging chamber.
As preferably, described grinding rotor is excellent pin formula sleeve rotor, and this rotor is installed on the described end of main shaft, and rotor internal cavity is provided with the described separator that is installed on the described end of this main shaft.
Further, axially open the through hole that passes each described boss on each eseparation ring of described separator, at least two bolts respectively corresponding described through hole and the described end end face of main shaft that passes on each eseparation ring are affixed.
As preferably, disengagement chamber one end of described separator is communicated with described discharging chamber, and the other end is by installing cover plate for sealing.
Further, described separator also comprises a support frame, this support frame comprises the back-up ring that a side and the described end end face of main shaft are affixed, this back-up ring opposite side has extended axially several connecting rods, be provided with support ring at the connecting rod end, each described eseparation ring is sheathed on this several connecting rods outside, a gland that is connected with described support ring with several eseparation ring pressure holdings between described back-up ring and this gland.
Further, open the through hole that communicates with described disengagement chamber on the described gland, be coated with filter screen on this through hole.
As can be known from the above technical solutions, separator of the present invention rotates with main shaft, and grinding material is directly discharged from the discharging chamber of main shaft, and is not only simple in structure, realized the dynamic type separation; And because separator rotation produces centrifugal force, make grinding material be difficult for stopping up separator, thereby improved grinding efficiency; In addition, separator is laminated by several eseparation rings, is convenient to install, dismantles and cleans; Simultaneously, can design gap and the eseparation ring diameter of separator less, realize that easily nanoscale grinds.
Description of drawings
Fig. 1 is the structural representation of a kind of optimal way of the present invention;
Fig. 2 is A-A section enlarged diagram among Fig. 1;
Fig. 3 is the structural representation of the another kind of optimal way of the present invention;
Fig. 4 is the part-structure enlarged diagram of separator among Fig. 3;
Fig. 5 is that the B of Fig. 4 is to schematic diagram;
Fig. 6 is the structure enlarged diagram of another kind of separator among Fig. 3;
Fig. 7 is the C-C generalized section of Fig. 6.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail:
Below take PHN SuperMaxZeta Nanomill grinder as example, this grinder comprises that inside forms the sand cylinder 2 of grinding chamber 21 and the feed cavity 22 that is communicated with this grinding chamber, described grinding chamber two ends are respectively by end cap 1 sealing; Described feed cavity can be arranged on the sand cylinder, also can be arranged on the end cap; Simultaneously, interlayer and the intake-outlet of logical cooling water can be set also on sand cylinder, and adopt the mode of low in and high out, sand cylinder is better cooled off, desirable Cooling Design can allow thermally sensitive product to grind better.One main shaft 3 passes described end cap and stretches in the grinding chamber, be provided with the grinding rotor by described main shaft driven rotary in this grinding chamber, described main shaft 3 is hollow spindle, its internal cavities forms discharging chamber 31, the end that described main shaft is positioned at grinding chamber is equipped with the separator 4 that rotates with this main shaft, separator is generally large flow open type dynamic separator (OCS:Open Canister Separation System), the disengagement chamber 41 of this separator 4 is communicated with described discharging chamber 31, material after this separator allows to grind flows out grinding chamber, and abrasive media is stayed in the grinding chamber.Separator of the present invention rotates with main shaft, and adopted gradient mechanics, equation and Mechanics of Machinery checking to design, the assurance grinding material is directly discharged through swivel joint from the discharging chamber of main shaft under the pressure-acting of centrifugal force and feed pump, and not only structure is simpler, has realized Dynamic Separation; And owing to producing centrifugal force during separator rotation, make grinding material be difficult for stopping up separator, thereby improved grinding efficiency; In addition, this structural design has weakened because grinding material flows running up of abrasive media to cause abrasive media to the axially-movable trend of discharging cavity direction, abrasive media is retained in grinds and continue in the cavity fully to grind with material, be conducive to improve grinding precision.
Separator 4 of the present invention comprises several stacked eseparation rings 42, and the interior ring of described several eseparation rings forms described disengagement chamber 41; One side of each eseparation ring is provided with at least two axially extended boss 43, and the described boss between the two adjacent eseparation rings makes and forms the gap 44 of passing through for grinding material between this two eseparation ring, and this gap communicates with described disengagement chamber.Usually, the gap between the eseparation ring is that abrasive media such as zirconium oxide bead are isodiametric 1/2, and the minimum separation czermak space can reach 0.015mm, can use minimum abrasive media diameter to be 0.03mm simultaneously.In implementation process, eseparation ring can adopt ceramic material to make, and it is compared with metal material, more environmental protection, and add and to make man-hour described boss gap precision more accurate, also can avoid grinding material to be contaminated with metals the situations such as the rear energy that affects product and abrasive media leak outside simultaneously; The another side correspondence of each described eseparation ring of the present invention has been opened at least two grooves 45, and each described boss correspondence snaps in the described groove of adjacent eseparation ring so that whole cyclone separator arrangement is compact, firmly.In implementation process, also can not adopt groove structure, and directly be contacted with the described another side of adjacent eseparation ring by the described boss of eseparation ring; And each eseparation ring is conducive to the fastening superimposed eseparation ring of balance along circumferentially being evenly equipped with four described boss.
As a kind of optimal way of the present invention, such as Fig. 1, Fig. 2, described grinding rotor is several abrasive disks 5 that are installed on the main shaft, such as the turbine disk, three eccentric discs etc., is provided with described separator between every two adjacent abrasive disks; Each eseparation ring of described separator is set in one section main shaft outside between two abrasive disks, is circumferentially with number row material path 32 along this section main shaft, and each material path is communicated with described disengagement chamber with the discharging chamber.This structure not only so that eseparation ring be clamped between the two adjacent abrasive disks, gap length between the separator can be adjusted accordingly by the axial tightness of abrasive disk, thereby can make grinding material reach the fineness of grind of appointment, realize that easily nanoscale grinds; And the favourable dismounting of this structure, clean the broken particle that blocks material grit or abrasive media between eseparation ring, cleaning separator when also helping the replacing abrasive product.
Above-mentioned optimal way is achieved in that after material to be processed enters grinding chamber from feed cavity, under the turning effort of abrasive disk, grind, the material that reaches fineness of grind enters disengagement chamber from the gap of eseparation ring, then enter the discharging chamber through material path, discharge from the swivel joint that is installed on the main shaft at last.In implementation process, the end face of the described end of rotating shaft is salable, screen pack also can be set make material directly pass screen pack to enter feed cavity, can improve discharging efficient like this, thereby further improve grinding efficiency.But screen pack should be supporting with separator, that is to say that the screen pack mesh diameter is consistent with the gap between the eseparation ring.
As another kind of optimal way of the present invention, such as Fig. 3, Fig. 4, Fig. 5, described grinding rotor is excellent pin formula sleeve rotor 6, and this rotor is installed on the described end of main shaft, and its mounting means has multiple, is not repeated herein.Be provided with described separator in the described rotor, corresponding described through hole and the described end end face of main shaft that passes on each eseparation ring is affixed respectively axially to open through hole 61, at least two bolts 62 that pass each described boss on each eseparation ring of described separator.In implementation process, the cover plate 63 that can utilize three bolts to pass the hermetic separation chamber other end compresses eseparation ring, enters disengagement chamber after material being formed reflux, and can improve grinding precision; And make the cooperation of whole eseparation ring more firm.The separator of this structure generally is applicable to grind than the material of low discharge.As above-mentioned distortion of selecting the cover plate for sealing disengagement chamber other end, can another screen pack be installed at the other end of separator, make a part of grinding material directly pass another screen pack and enter disengagement chamber, improve discharging efficient, thereby further improve grinding efficiency.
Distortion as another kind of optimal way of the present invention, such as Fig. 6, Fig. 7, described separator 4 also comprises a support frame 46, this support frame comprises the back-up ring 461 that a side and the described end end face of main shaft are affixed, this back-up ring opposite side has extended axially several connecting rods 462, be provided with support ring 463 at the connecting rod end, each described eseparation ring is sheathed on this several connecting rods outside, a gland 47 that is connected with described support ring with several eseparation ring pressure holdings between described back-up ring and this pressing plate, so not only so that separator has rigidity more, cooperate firmly; And can reach by the tightness of regulating pressing plate the purpose of adjusting the eseparation ring gap.In implementation process, can open the through hole 48 that communicates with described disengagement chamber at gland, be coated with filter screen 49 on this through hole, make material directly enter disengagement chamber from filter screen, to improve grinding efficiency.The material that the separator of this structure generally is applicable to larger flow grinds.
Above-mentioned another kind of optimal way is such realization: after material to be processed enters grinding chamber from feed cavity, under the effect of the sleeve rotor of rod pin formula, grind, material after the grinding enters in the rotor, the material that reaches fineness of grind enters disengagement chamber from the eseparation ring gap in the rotor, then discharges through the discharging chamber of rotating shaft.This special separator and excellent pin formula sleeve rotor structural design have reduced contacting of abrasive media and sand cylinder and rotor, have improved capacity usage ratio, reduce thermal losses, have also reduced and have ground the wearing and tearing that the cavity internal interface is touched the position.
Each eseparation ring boss of separator of the present invention is not limited to arrange three or four, also can arrange two, five etc., and the bolt hole on each abrasive disk also should be two, five etc. accordingly.The present invention adopts brand-new main shaft discharge method, separator is rotated with main shaft, even materials from bonding is on eseparation ring, binding material is thrown away, thereby realized real Dynamic Separation, make material be difficult for stopping up separator, avoided unnecessary shutdown disassembly, cleaning, also reached the effect that improves grinding efficiency; In addition, separator is laminated by eseparation ring, further is conducive to install and clean.In implementation process, because separator adopts the structure of separating ring type, the diameter of Separation and eseparation ring can be designed less, can use more small abrasive media, realize easily that so not only nanoscale grinds, also can increase the quantity of eseparation ring, thereby increase the discharging area of separator, reach better grinding effect and discharging efficient.
The present invention also can adopt rotor, sand cylinder and the separator of new material, this machine can be applied to the grinding of how better nano material industry.In implementation process, separator and rotor can adopt non-metallic material, such as PU polyurethane macromolecule, SIN silicon nitride, SIC carborundum etc., reduce grinding-material to the impact of performance or the function of grinding material product.The present invention can process low sticking fine grained and high sticking coarse grained solid-liquid product mix, even under the situation of large flow, also non-grinding medium leaks and runs and the card bead phenomenon.
Above-mentioned embodiment is only for explanation the present invention's, and be not to be limitation of the present invention, the those of ordinary skill in relevant technologies field, without departing from the spirit and scope of the present invention, can also make various variations and modification, so all technical schemes that are equal to also should belong to category of the present invention.
Claims (10)
1. nanoscale Dynamic Separation formula grinder, comprise that inside forms the sand cylinder of grinding chamber and the feed cavity that is communicated with this grinding chamber, end cap seal is passed through respectively at described grinding chamber two ends, one main shaft passes described end cap and stretches in the grinding chamber, be provided with the grinding rotor by described main shaft driven rotary in this grinding chamber, it is characterized in that: described main shaft is hollow spindle, its internal cavities forms the discharging chamber, the end that described main shaft is positioned at grinding chamber is equipped with the separator that rotates with this main shaft, and the disengagement chamber of this separator is communicated with described discharging chamber.
2. nanoscale Dynamic Separation formula grinder according to claim 1, it is characterized in that: described separator comprises several stacked eseparation rings, the interior ring of described several eseparation rings forms described disengagement chamber; One side of each described eseparation ring is provided with at least two axially extended boss, and the described boss between the two adjacent eseparation rings makes and forms the gap of passing through for grinding material between this two eseparation ring, and this gap communicates with described disengagement chamber.
3. nanoscale Dynamic Separation formula grinder according to claim 2, it is characterized in that: the another side correspondence of each described eseparation ring has been opened at least two grooves, and each described boss correspondence snaps in the described groove of adjacent eseparation ring.
4. according to claim 2 or 3 described nanoscale Dynamic Separation formula grinders, it is characterized in that: described grinding rotor is several abrasive disks that are installed on the described main shaft, is provided with described separator between every two adjacent abrasive disks.
5. nanoscale Dynamic Separation formula grinder according to claim 4, it is characterized in that: each eseparation ring of described separator is set in one section described main shaft outside between two abrasive disks, be circumferentially with number row material path along this section main shaft, each material path is communicated with described disengagement chamber with the discharging chamber.
6. according to claim 2 or 3 described nanoscale Dynamic Separation formula grinders, it is characterized in that: described grinding rotor is excellent pin formula sleeve rotor, this rotor is installed on the described end of main shaft, and rotor internal cavity is provided with the described separator that is installed in the described end of this main shaft.
7. nanoscale Dynamic Separation formula grinder according to claim 6, it is characterized in that: axially open the through hole that passes each described boss on each eseparation ring of described separator, at least two bolts respectively corresponding described through hole and the described end end face of main shaft that passes on each eseparation ring are affixed.
8. nanoscale Dynamic Separation formula grinder according to claim 7, it is characterized in that: disengagement chamber one end of described separator is communicated with described discharging chamber, and the other end is by installing cover plate for sealing.
9. nanoscale Dynamic Separation formula grinder according to claim 6, it is characterized in that: described separator also comprises a support frame, this support frame comprises the back-up ring that a side and the described end end face of main shaft are affixed, this back-up ring opposite side has extended axially several connecting rods, be provided with support ring at the connecting rod end, each described eseparation ring is sheathed on this several connecting rods outside, a gland that is connected with described support ring with several eseparation ring pressure holdings between described back-up ring and this gland.
10. nanoscale Dynamic Separation formula grinder according to claim 9 is characterized in that: open the through hole that communicates with described disengagement chamber on the described gland, be coated with filter screen on this through hole.
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| CN201210364487.2A CN102872936B (en) | 2012-09-26 | 2012-09-26 | Nanoscale dynamic separation-type grinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103084242A (en) * | 2013-01-17 | 2013-05-08 | 青岛联瑞精密机械有限公司 | Centre drive type high-efficiency rod mill |
| CN103301908A (en) * | 2013-06-14 | 2013-09-18 | 广州派勒机械设备有限公司 | Grinding rotor with improved structure |
| CN103301912A (en) * | 2013-06-20 | 2013-09-18 | 张勇 | Sand mill |
| CN103657802A (en) * | 2013-12-31 | 2014-03-26 | 占天义 | Agitating type grinding device |
| CN103706444A (en) * | 2013-12-20 | 2014-04-09 | 广州派勒机械设备有限公司 | Novel nano bead mill |
| CN104226427A (en) * | 2014-08-15 | 2014-12-24 | 广州派勒机械设备有限公司 | Large-flow split type grinding device of nanometer sand mill |
| CN104741176A (en) * | 2015-03-03 | 2015-07-01 | 德国派勒精研磨技术有限公司 | Pin type nano sand mill |
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| CN104741176A (en) * | 2015-03-03 | 2015-07-01 | 德国派勒精研磨技术有限公司 | Pin type nano sand mill |
| CN104959196A (en) * | 2015-06-29 | 2015-10-07 | 广州派勒机械设备有限公司 | Super sand mill with double-separation system |
| WO2017049964A1 (en) * | 2015-09-22 | 2017-03-30 | 广东派勒智能纳米科技股份有限公司 | Screen-free intelligent nano-grinding system |
| CN105214790A (en) * | 2015-09-22 | 2016-01-06 | 广州派勒机械设备有限公司 | Intelligent nano dynamic centrifugal rotating separation device |
| CN105214790B (en) * | 2015-09-22 | 2018-06-08 | 广东派勒智能纳米科技股份有限公司 | Intelligent nano dynamic centrifugal rotating separation device |
| CN106076510A (en) * | 2016-06-23 | 2016-11-09 | 河南师范大学 | Built-in dynamic centrifugal segregation apparatus |
| CN106076510B (en) * | 2016-06-23 | 2018-07-10 | 河南师范大学 | Built-in dynamic centrifugal separator |
| CN108393147A (en) * | 2018-03-30 | 2018-08-14 | 同济大学 | A kind of filter and ball mill |
| CN109482280A (en) * | 2018-11-06 | 2019-03-19 | 李运 | A kind of electrolgtic aluminium vacuum packet aluminium slag separation system |
| CN112264140A (en) * | 2020-09-08 | 2021-01-26 | 南京市儿童医院 | Grinding device for dispensing in oncology department |
| CN112958229A (en) * | 2021-03-14 | 2021-06-15 | 上海琥崧智能科技股份有限公司 | Novel slice stick round pin formula is ground device |
| CN115559147A (en) * | 2021-07-02 | 2023-01-03 | 中国制浆造纸研究院有限公司 | Method for improving nano-fibrillation efficiency of nano-cellulose |
| CN115559147B (en) * | 2021-07-02 | 2024-01-16 | 中国制浆造纸研究院有限公司 | Method for improving nano cellulose nano-fibrillation efficiency |
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