CN104959196A - Super sand mill with double-separation system - Google Patents
Super sand mill with double-separation system Download PDFInfo
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- CN104959196A CN104959196A CN201510375717.9A CN201510375717A CN104959196A CN 104959196 A CN104959196 A CN 104959196A CN 201510375717 A CN201510375717 A CN 201510375717A CN 104959196 A CN104959196 A CN 104959196A
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- separator
- grinding
- main shaft
- rotor
- sand mill
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to a sand mill, and particularly relates to a super sand mill with a double-separation system. The super sand mill comprises a horizontal grinding barrel with two ends being sealed by virtue of end covers, wherein a feeding opening is formed in the grinding barrel, a rotating main shaft stretches into the grinding barrel from one end cover, a grinding area and a separation area are formed in the grinding barrel, a grinding rotor installed on the rotating main shaft and rotating along with the rotating main shaft is arranged in the grinding area, a discharging separator is arranged in the separation area, a vacuum area formed by the relative movement of two sides of an axial clearance is formed in the grinding barrel, and the separator is provided with an exhaustion passage communicating a separator discharging cavity and the vacuum area in the axial direction. The separator is provided with the exhaustion passage, when the grinding rotor rotates, two sides of the axial clearance make relative movement to form a vacuum area, so that bubbles generated in the grinding barrel can be discharged from the exhaustion passage, and the discharging speed can be increased.
Description
Technical field
The present invention relates to powder power-saving technology and there is the industrial equipment field of the nano-milled isolation technics of wet method of exhaust, the dual centrifugation of discharge opeing.
Background technology
The mode that the mankind carry out Separation of Solid and Liquid process has had quite a lot of year history, physical method comprises the filter material utilizing various pore size different, utilize absorption or obstruct mode, impurity in liquid is foreclosed, in suction type, more important person is for adsorb with active carbon, blocking method is then by liquid by filter material, and the impurity making volume larger cannot pass through, and then obtains comparatively clean liquid.In addition, physical method also comprises the precipitation method, and the impurity allowing proportion less is exactly bubbled through the water column and pulled out, or the larger contamination precipitation of proportion under, and then to obtain.Chemical method is then utilize various chemicals impurities in water to be converted into the material less to human injury, or is concentrated by impurity, and after impurity set by the time, volume becomes large, and just available filter method, by Impurity removal.Although the mode of above-mentioned solid, liquid process can realize effect to a certain extent, or will again through the standard quoted repeatedly can be reached, whole process is quite complicated loaded down with trivial details, cost intensive, inefficiency.In addition, prior art can not realize online separation and cleaning, and the volume of corollary equipment is large simultaneously, and installing/dismounting difficulty, internal cleaning is also inconvenient.
Sand mill from appearance since due to excellent performance, the good reputation of scientific research person, corporate boss has been won in material fine and classification field, along with new forms of energy, new material industry are a dark horse, the increasing rapidly of market demand, also increasingly strict to the requirement of its performance and quality, the process of accelerated material and manufacturing technology greenization, intellectuality, renewable circulation, particularly there is stricter requirement in the developed country such as American-European.Germany sends the wet grinding technology of strangling successfully to introduce domestic from eighties of last century the nineties by China, promotes that China's intelligence makes industrial structure upgrading and strategical reajustment.
Sand mill is also known as agitating ball mill, and the wet grinding field and the fineness that are mainly used in chemical industry solid-liquid mixture product are low to moderate in the super-fine processing of the fine granular of nanometer range.Substantially vertical grinding machine, horizontal sand mill, basket type sand mill, excellent pin nanometer sand mill etc. can be divided into according to serviceability.Its main application fields can 2000 be diacritical point.Along with the lifting of people's living standard, light, thin, short and smallization of 3C Product and the fieriness of nanometer fineness materials application, how ultra-fine grinding techniques being applied to the making of nano material and dispersion grinding has become important topic instantly.
Agitating ball mill be generally used for grind, mill and/or dispersing fluid bearing medium in solid reunion large particulate matter (by dispersant, many pigment initial material powder granules, resin, solvent, the compositions such as surfactant).Existing lapping mode mainly contains dry method and wet method two kinds, the operation principle of wet grinding sand mill adopts agitation grinding mode, in airtight grinding chamber, abrasive media ball is added before starting working, material to be processed in advance and water be mixed and made into liquid slurry, grinding chamber is delivered to by circulating pump, when rotor high-speed rotates, when driving the motion of abrasive media ball, the abrasive media that drive is called as " ball " and grinding charge (slip) do eddy motion, abrasive media is moved from bottom to top along inner tube wall under the influence of centrifugal force, redrop under the effect of self gravitation when arriving liquid level.Realize the pulverizing to solid particle in solid-liquid phase mixture, this course of work rotor and rod thereof are sold and reciprocating extrusion, grinding, collision powder between mill ball and solid-liquid phase mixed material, produce strong collision, friction, extruding, shear action, milled solid particle, discharge nozzle end winding support has piece-rate system filter screen, piece-rate system mesh size ensures that polished material can pass through smoothly, mill ball not by, then by piece-rate system, grinding material and abrasive media are realized being separated, thus play the effect of refinement material.Material flows into from feed pipe, through closing working chamber and rotor, mill ball effect, flowing out from discharge nozzle, working and carrying out continuously.Existing sand mill discharging piece-rate system screen cloth adopts clearance-type piece-rate system, and its direct separation of material and abrasive media, not only separating effect is poor, and separative efficiency is lower.Most of cylindrical or drum circle, the sieve aperture formed between its screen bars generally has two kinds, and its cross section a kind of is rectangle, and the sieve aperture shortcoming of this screen cloth is that discharging is slow, and is easily blocked by the abrasive media of the bulky grain in material or fragmentation; Its cross section another kind of is trapezoidal, and the sieve aperture discharging of this screen cloth is fast, but shortcoming is easy to wear, and cause sieve aperture cross section to become large, material particular diameter is uncontrollable, and easily occurs leaking the existing picture of abrasive media, and have a strong impact on product quality, therefore service life is short.
Summary of the invention
For above-mentioned technical problem, the invention provides one and can strengthen material separating rate, and not easily block the super sand mill with dual piece-rate system of separator.
The present invention solves the problems of the technologies described above adopted technical scheme: the super sand mill with dual piece-rate system, comprise the horizontally disposed grinding drum of two ends by end cap seal, grinding drum offers charging aperture, rotary main shaft stretches in grinding drum from one end end cap, milling zone and Disengagement zone is formed in grinding drum, be provided with in milling zone and be arranged on rotary main shaft and the grinding rotor rotated with this rotary main shaft, the separator of discharging is provided with in Disengagement zone, the region of no pressure because the relative motion of axial gap both sides produces is formed in grinding drum, described separator is provided with the exhaust duct being communicated with this separator discharging chamber and described region of no pressure vertically, from the material in charging aperture input grinding drum when the separator that milling zone flows to Disengagement zone after grinding rotor grinding carries out separation discharging, the bubble carried secretly in material enters described region of no pressure, and the bubble entering region of no pressure discharges grinding drum from described exhaust duct through discharging chamber.
As preferably, one end of described separator is arranged on grinding drum other end end cap, and have axial gap between separator and grinding rotor, the relative motion produced between the separator of these axial gap both sides and grinding rotor forms described region of no pressure; The discharging chamber of separator is connected with discharge nozzle, and this discharge nozzle stretches out described other end end cap; The bubble entering region of no pressure enters discharging chamber from exhaust duct, then enters discharge nozzle from discharging chamber and discharge grinding drum.
Further, described grinding rotor is that interval is arranged on several pan mill on described rotary main shaft or the turbine disk, pan mill or the turbine disk side of rotary main shaft end are installed with grading wheel sleeve rotor, described separator stretches in this grading wheel sleeve rotor, between grading wheel sleeve rotor inner face and separator other end end face, there is axial gap, these axial gap both sides two described in end face produce relative motion form described region of no pressure.
Further, described grinding rotor is the hollow grinding rotor of excellent pin, the described separator other end stretches into the inner chamber of the hollow grinding rotor of this excellent pin, between resonator end surface and separator other end end face, there is axial gap in rod pin hollow grinding rotor, these axial gap both sides two described in the relative motion that produces of end face form described region of no pressure.
As preferably, described grinding rotor is the hollow grinding rotor of excellent pin, one end of described separator to be arranged on described rotary main shaft and to rotate with this rotary main shaft, this separator is arranged in the hollow grinding rotor inner chamber of excellent pin, have axial gap between this separator and grinding drum other end end cap, the relative motion that the separator of these axial gap both sides and other end end cap produce forms described region of no pressure; Described rotary main shaft is hollow shaft, and the discharging chamber of separator is communicated with the cavity of this rotary main shaft; The bubble entering region of no pressure enters discharging chamber from exhaust duct, then enters the cavity of rotary main shaft from discharging chamber and discharge grinding drum.
As preferably, described in grinding drum, other end rubbing surface of end cover is provided with boss, has axial gap between the end face of this boss and separator other end end face, these axial gap both sides two described in the relative motion that produces of end face form described region of no pressure.
As preferably, described separator comprises the cylindrical abutment be arranged on described rotary main shaft or other end end cap and the separation sleeve being set in this support outer, separation sleeve perisporium offers several sorting hole, described bearing radially offers several material path, bearing one end is provided with described discharging chamber vertically, and each sorting hole is communicated with discharging chamber by corresponding material path; The described bearing other end offers described exhaust duct vertically, and exhaust duct is provided with filter screen.
As preferably, described separation sleeve comprises the separator frame be set on bearing and the separate mesh be set in outside separator frame, and separator frame offers several through hole, each through hole is communicated with described material path, and mesh and the described through hole of separate mesh form described sorting hole; Described several material path circumference is distributed on bearing, and the angle that the central axis of each material path and the axis direction of bearing are formed is acute angle.
As preferably, the cylindrical side wall that described separator frame comprises sheathed separate mesh and two flanges extended along sidewall inward at both ends radial direction, sidewall is offered described through hole; The other end described in bearing forms step post, and step post passes the inner ring of a wherein flange, and a side of this flange is resisted against on the step surface of step post; Described two flanges, sidewall and bearing surround disengagement chamber, and disengagement chamber is communicated with through hole described in each and material path.
As preferably, be provided with gland in a described wherein flange outer sides, described gland by bolt and step post fastening, gland offers the pore communicated with described exhaust duct.
As can be known from the above technical solutions, when the rotary main shaft drive grinding rotor of sand mill of the present invention or separator rotation, relative motion is produced in axial gap both sides, thus formation region of no pressure, when material is pushed to Disengagement zone from milling zone under the influence of centrifugal force, the bubble in material enters region of no pressure, and the bubble entering region of no pressure is discharged from separator exhaust duct again, thus quickening discharging speed, avoid putty or not discharging phenomenon to occur.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first preferred embodiment of the present invention.
Fig. 2 is the structural representation of the second preferred embodiment of the present invention.
Fig. 3 is the structural representation of the third preferred embodiment of the present invention.
Fig. 4 is separator structure for amplifying schematic diagram of the present invention.
Fig. 5 is the separate mesh expanded view of separator of the present invention.
Detailed description of the invention
The super sand mill with dual piece-rate system of the present invention is introduced in detail below in conjunction with accompanying drawing, i.e. super Ai Keman sand mill (IKAmanm Pro), it comprises the horizontally disposed grinding drum 1 that two ends are sealed by end cap 11, grinding drum offers charging aperture 12, rotary main shaft 2 stretches in grinding drum from one end end cap, milling zone 13 and Disengagement zone 14 is formed in grinding drum, be provided with in milling zone and be arranged on rotary main shaft and the grinding rotor 3 rotated with this rotary main shaft, the separator 4 of discharging is provided with in Disengagement zone, the region of no pressure 15 because the relative motion of axial gap both sides produces is formed in grinding drum, described separator is provided with the exhaust duct 42 being communicated with this separator discharging chamber 41 and described region of no pressure vertically, from the material in charging aperture input grinding drum when the separator that milling zone flows to Disengagement zone by hydrodynamics and centrifugal forces affect after grinding rotor is milled carries out being separated discharging, in material, the bubble of entrained with enters described region of no pressure 15, and the bubble entering region of no pressure discharges grinding drum from described exhaust duct through discharging chamber, meanwhile, the material flowing into Disengagement zone is separated after abrasive media through separator, flows out from the discharging chamber of separator.
In implementation process, material produces the strong shock change of continuous print by the interaction of the elements of milling such as epitrochanterian rod nail or the turbine disk to abrasive media, and abrasive media remakes for material; During grinding, material flows to Disengagement zone with the mixture of abrasive media by centrifugal force and the effect of feed pump pressure and carries out being separated discharging, simultaneously, due to the difference of density, along with new material flows to milling zone, the mixture of abrasive media is turned back again to transmit along the direction contrary with centrifugal force flowing and is entered milling zone, and so, abrasive media defines a closed interior recirculation in grinding chamber, ensure that abrasive media is only measured and concentrate on Disengagement zone, avoid blocking separator; Meanwhile, the bubble carried secretly in material enters vacuum zone, and the bubble entering vacuum zone discharges grinding drum from described exhaust duct through discharging chamber, accelerates discharging speed, can avoid forming negative pressure in grinding drum, cause discharging to have some setbacks.
One end of separator 4 of the present invention is arranged on grinding drum other end end cap, and have axial gap between separator and grinding rotor, the relative motion produced between the separator of these axial gap both sides and grinding rotor forms described region of no pressure; When sand mill works, do not rotate because separator is fixed on other end end cap, and grinding rotor is by rotary main shaft driven rotary, thus makes separator and grinding rotor grading wheel district produce relative motion; In implementation process, the discharging chamber of separator is connected with discharge nozzle 5, and this discharge nozzle stretches out described other end end cap; The bubble entering region of no pressure enters discharging chamber from exhaust duct, then enters discharge nozzle from discharging chamber and discharge grinding drum.
As Fig. 1, as the first preferred embodiment, grinding rotor 3 to be milled element for several dish or the turbine disks etc. on interval is arranged on described rotary main shaft, pan mill or the turbine disk side of rotary main shaft end are installed with grading wheel sleeve rotor 30, described separator 4 stretches in this grading wheel sleeve rotor, between grading wheel sleeve rotor inner face and separator other end end face, there is axial gap, when sand mill works, the element such as pan mill or the turbine disk is by rotary main shaft driven rotary, and separator does not rotate, therefore relative motion is produced between grading wheel sleeve rotor and separator, and then make grading wheel sleeve rotor inner face and separator other end end face form described region of no pressure, the bubble entering region of no pressure is discharged from the exhaust duct of separator, simultaneously, material enters Disengagement zone from the classified sleeve rotor of taking turns of milling zone, be separated after abrasive media through separator again, discharge nozzle from discharging chamber through end cap flows out, grading wheel sleeve rotor can carry out preliminary classification separation to the material after grinding, according to the rotating speed of grading wheel, the material of larger particles is turned back to milling zone and is again ground after grading wheel sleeve rotor, and more short grained material flows out from separator after grading wheel sleeve rotor.
As Fig. 2, as the second preferred embodiment, grinding rotor 3 is the hollow grinding rotor of excellent pin, the described separator other end stretches into the inner chamber 31 of the hollow grinding rotor of this excellent pin, between resonator end surface and separator other end end face, there is axial gap in the hollow grinding rotor of rod pin, rotary main shaft drives the hollow grinding rotor of excellent pin to rotate, and separator does not rotate, therefore relative motion is produced between the hollow grinding rotor of excellent pin and separator, and then make to produce between resonator end surface and separator other end end face in the hollow grinding rotor of excellent pin to form described region of no pressure, the bubble entering region of no pressure is discharged from the exhaust duct 42 of separator, meanwhile, material is after separator 4 is separated abrasive media, and the discharge nozzle 41 from discharging chamber through end cap flows out.As the improved procedure of first and second kind of mode, also separator rotation is driven by installing drive unit on end cap, but the rotary speed of separator should not be equal to or less than the rotary speed of rotor, preferably both direction of rotation are contrary, can ensure that both produce relative motion like this, formative dynamics is separated.
As Fig. 3, as the third preferred embodiment, grinding rotor 3 is the hollow grinding rotor of excellent pin equally, but one end of separator to be arranged on described rotary main shaft and to rotate with this rotary main shaft, this separator is arranged in the hollow grinding rotor inner chamber 31 of excellent pin, have axial gap between this separator and grinding drum other end end cap, the relative motion that the separator of these axial gap both sides and other end end cap produce forms described region of no pressure; Specifically, described in grinding drum, other end rubbing surface of end cover is provided with boss 16, has axial gap between the end face of this boss and separator other end end face; When sand mill works, rotary main shaft drives separator rotation, and end cap is fixed, therefore produces relative motion between separator and end cap, thus makes the end face of boss and separator other end end face form described region of no pressure; In this embodiment, described rotary main shaft 2 is hollow shaft, and the discharging chamber of separator is communicated with the cavity 21 of this rotary main shaft; The bubble entering region of no pressure enters discharging chamber from exhaust duct 42, then enters the cavity of rotary main shaft from discharging chamber and discharge grinding drum; Meanwhile, material is separated after abrasive media through separator, and the cavity from discharging chamber through rotary main shaft flows out, thus the discharging of formative dynamics declutch shaft, greatly improve and be separated and grinding efficiency, also avoid material to pile up at separator surface and/or discharging place simultaneously.
As Fig. 4, separator 4 of the present invention comprises the cylindrical abutment 43 be arranged on described rotary main shaft or other end end cap and the separation sleeve 44 being set in this support outer, separation sleeve perisporium offers several sorting hole 45, described bearing radially offers several material path 46, bearing one end is provided with described discharging chamber 41 vertically, and each sorting hole is communicated with discharging chamber by corresponding material path; Described bearing 43 other end offers described exhaust duct 42 vertically, exhaust duct is provided with filter screen 6, and screen cloth is for isolating the material filtering abrasive media and do not reach fineness requirement; Alternatively, blast pipe can be set on exhaust duct, then on blast pipe, screen cloth be installed.When the rotor rotates, axial gap both sides relative motion in grinding drum forms region of no pressure, when being pushed to Disengagement zone from milling zone under the effect of material in centrifugal force and feed pump thrust, the bubble produced when material owing to stirring in grinding drum enters region of no pressure, can make in product with bubble discharge from exhaust duct, thus acceleration discharging, the putty avoiding negative pressure in grinding drum to cause or card piece-rate system phenomenon.Material in grinding drum is by after the abrasive media grinding in bucket, and material and abrasive media are gathered in Disengagement zone from milling zone, and the material through grinding enters discharging chamber from sorting hole through material path, then flow out from discharge nozzle or spindle cavity; The separator with the super sand mill of dual piece-rate system of the present invention adopts the split-type structural of separation sleeve and bearing, is convenient to dismounting and assembling, and is convenient to cleaning or replacing etc., can extend the service life of separator, and reduce costs.
As preferably, described separation sleeve 44 comprises the separator frame 441 be set on bearing and the separate mesh 442 be set in outside separator frame, separator frame offers several through hole 443, each through hole is communicated with described material path, mesh 440 and the described through hole of separate mesh form described sorting hole, and wherein the mesh of separate mesh is the bar hole tilted, as Fig. 5, like this can not card ball when zirconium pearl is faced directly and clashes into mesh, improve separative efficiency.Material through grinding flows into sorting hole from mesh, flow out from material path again, abrasive media can be blocked in grinding drum by mesh, the aperture of mesh can set according to the fineness of product, and whole separate mesh mesh is independent single mesh, the sharpest edges of this kind of structure are that the operation of abrasive media substantially departs from gap and is separated.Separate mesh gap is minimum can be controlled in 0.03mm, uses the ultra-fine microballon abrasive media of 0.1mm, can grind and be separated for sheet, thus avoid the blocking of sand mill discharging place, large discharge, nanoscale are ground and is achieved with the superfine nano of granular material.In implementation process, described several material path 46 circumference is distributed on bearing, and the angle that the central axis of each material path and the axis direction of bearing are formed is acute angle, and acute angle is good with 30 ° to 60 °, can discharging speed be accelerated like this, avoid separator discharging gap to block or card media.
The cylindrical side wall 444 that separator frame 441 of the present invention comprises sheathed separate mesh and two flanges 445 extended along sidewall inward at both ends radial direction, sidewall is offered described through hole; The other end described in bearing forms step post 446, and step post passes the inner ring of a wherein flange, and a side of this flange is resisted against on the step surface of step post; Described two flanges, sidewall and bearing surround disengagement chamber 447, and disengagement chamber is communicated with through hole described in each and material path; The material that a part has little time to flow out can be kept in such disengagement chamber, ensure that material is unlikely to block tapping channel, accelerate discharging speed further; As preferably, be provided with gland 47 in a described wherein flange outer sides, described gland by bolt and step post fastening, not only be convenient to installation and removal, and be connected firmly, gland offers the pore 471 communicated with described exhaust duct, bubble can be made to flow into exhaust duct from pore.
Above-mentioned embodiment is used for illustrative purposes only, and be not limitation of the present invention, the those of ordinary skill of relevant technical field, without departing from the spirit and scope of the present invention, can also make various change and modification, therefore all equivalent technical schemes also should belong to category of the present invention.
Claims (10)
1. there is the super sand mill of dual piece-rate system, comprise the horizontally disposed grinding drum of two ends by end cap seal, grinding drum offers charging aperture, rotary main shaft stretches in grinding drum from one end end cap, milling zone and Disengagement zone is formed in grinding drum, be provided with in milling zone and be arranged on rotary main shaft and the grinding rotor rotated with this rotary main shaft, the separator of discharging is provided with in Disengagement zone, it is characterized in that: in grinding drum, be formed with the region of no pressure because the relative motion of axial gap both sides produces, described separator is provided with the exhaust duct being communicated with this separator discharging chamber and described region of no pressure vertically, from the material in charging aperture input grinding drum when the separator that milling zone flows to Disengagement zone after grinding rotor grinding carries out separation discharging, the bubble carried secretly in material enters described region of no pressure, and the bubble entering region of no pressure discharges grinding drum from described exhaust duct through discharging chamber.
2. sand mill according to claim 1, it is characterized in that: one end of described separator is arranged on grinding drum other end end cap, have axial gap between separator and grinding rotor, the relative motion produced between the separator of these axial gap both sides and grinding rotor forms described region of no pressure; The discharging chamber of separator is connected with discharge nozzle, and this discharge nozzle stretches out described other end end cap; The bubble entering region of no pressure enters discharging chamber from exhaust duct, then enters discharge nozzle from discharging chamber and discharge grinding drum.
3. sand mill according to claim 2, it is characterized in that: described grinding rotor is that interval is arranged on several pan mill on described rotary main shaft or the turbine disk, pan mill or the turbine disk side of rotary main shaft end are installed with grading wheel sleeve rotor, described separator stretches in this grading wheel sleeve rotor, between grading wheel sleeve rotor inner face and separator other end end face, there is axial gap, these axial gap both sides two described in end face produce relative motion form described region of no pressure.
4. sand mill according to claim 2, it is characterized in that: described grinding rotor is the hollow grinding rotor of excellent pin, the described separator other end stretches into the inner chamber of the hollow grinding rotor of this excellent pin, between resonator end surface and separator other end end face, there is axial gap in rod pin hollow grinding rotor, these axial gap both sides two described in the relative motion that produces of end face form described region of no pressure.
5. sand mill according to claim 1, it is characterized in that: described grinding rotor is the hollow grinding rotor of excellent pin, one end of described separator to be arranged on described rotary main shaft and to rotate with this rotary main shaft, this separator is arranged in the hollow grinding rotor inner chamber of excellent pin, have axial gap between this separator and grinding drum other end end cap, the relative motion that the separator of these axial gap both sides and other end end cap produce forms described region of no pressure; Described rotary main shaft is hollow shaft, and the discharging chamber of separator is communicated with the cavity of this rotary main shaft; The bubble entering region of no pressure enters discharging chamber from exhaust duct, then enters the cavity of rotary main shaft from discharging chamber and discharge grinding drum.
6. sand mill according to claim 5, it is characterized in that: described in grinding drum, other end rubbing surface of end cover is provided with boss, between the end face of this boss and separator other end end face, there is axial gap, these axial gap both sides two described in end face produce relative motion form described region of no pressure.
7. according to sand mill described in any one in claim 1 to 6, it is characterized in that: described separator comprises the cylindrical abutment be arranged on described rotary main shaft or other end end cap and the separation sleeve being set in this support outer, separation sleeve perisporium offers several sorting hole, described bearing radially offers several material path, bearing one end is provided with described discharging chamber vertically, and each sorting hole is communicated with discharging chamber by corresponding material path; The described bearing other end offers described exhaust duct vertically, and exhaust duct is provided with filter screen.
8. sand mill according to claim 7, it is characterized in that: described separation sleeve comprises the separator frame be set on bearing and the separate mesh be set in outside separator frame, separator frame offers several through hole, each through hole is communicated with described material path, and mesh and the described through hole of separate mesh form described sorting hole; Described several material path circumference is distributed on bearing, and the angle that the central axis of each material path and the axis direction of bearing are formed is acute angle.
9. sand mill according to claim 8, is characterized in that: the cylindrical side wall that described separator frame comprises sheathed separate mesh and two flanges extended along sidewall inward at both ends radial direction, sidewall is offered described through hole; The other end described in bearing forms step post, and step post passes the inner ring of a wherein flange, and a side of this flange is resisted against on the step surface of step post; Described two flanges, sidewall and bearing surround disengagement chamber, and disengagement chamber is communicated with through hole described in each and material path.
10. sand mill according to claim 9, is characterized in that: be provided with gland in a described wherein flange outer sides, described gland by bolt and step post fastening, gland offers the pore communicated with described exhaust duct.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510375717.9A CN104959196A (en) | 2015-06-29 | 2015-06-29 | Super sand mill with double-separation system |
| PCT/CN2016/085437 WO2017000757A1 (en) | 2015-06-29 | 2016-06-12 | Advanced ball mill having dual separation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510375717.9A CN104959196A (en) | 2015-06-29 | 2015-06-29 | Super sand mill with double-separation system |
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| Publication Number | Publication Date |
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| CN104959196A true CN104959196A (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510375717.9A Pending CN104959196A (en) | 2015-06-29 | 2015-06-29 | Super sand mill with double-separation system |
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|---|---|
| CN (1) | CN104959196A (en) |
| WO (1) | WO2017000757A1 (en) |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289857A (en) * | 2015-11-09 | 2016-02-03 | 河南师范大学 | Nanoscale dynamic centrifugal separation device |
| CN105935620A (en) * | 2016-05-04 | 2016-09-14 | 广州致密纳米技术有限公司 | Preparation device for nano material |
| WO2017000757A1 (en) * | 2015-06-29 | 2017-01-05 | 广东派勒智能纳米科技股份有限公司 | Advanced ball mill having dual separation system |
| CN106345577A (en) * | 2016-09-20 | 2017-01-25 | 派勒（天津）纳米技术有限公司 | Smart online-discharging dry ball mill |
| CN107626395A (en) * | 2017-11-09 | 2018-01-26 | 江南大学 | A kind of double taper type sander apparatus of rod pin |
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| CN110947470A (en) * | 2018-09-26 | 2020-04-03 | 安徽儒特实业有限公司 | High-efficient sand mill of no screen cloth |
| CN110947471A (en) * | 2018-09-26 | 2020-04-03 | 安徽儒特实业有限公司 | Sand mill with high efficiency and stable performance |
| CN110947470B (en) * | 2018-09-26 | 2024-05-14 | 安徽儒特实业有限公司 | Screen-free efficient sand mill |
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| CN109248746A (en) * | 2018-10-31 | 2019-01-22 | 东莞市琅菱机械有限公司 | A kind of two-axis, centrifugal separation grinder |
| CN110124805A (en) * | 2019-05-23 | 2019-08-16 | 长沙西丽纳米研磨科技有限公司 | A kind of grinder separator and grinder |
| CN110227588A (en) * | 2019-06-04 | 2019-09-13 | 东莞市琅菱机械有限公司 | A kind of grinder with cooling sieve |
| CN110227588B (en) * | 2019-06-04 | 2021-08-27 | 东莞市琅菱机械有限公司 | Grinding machine with cooling screen |
| CN110694751A (en) * | 2019-10-22 | 2020-01-17 | 上海琥崧智能科技股份有限公司 | Centrifugal discharging horizontal sand mill and centrifugal discharging method |
| CN110694750A (en) * | 2019-10-22 | 2020-01-17 | 上海琥崧智能科技股份有限公司 | Spiral discharging horizontal sand mill and spiral discharging method |
| CN111617853A (en) * | 2019-12-25 | 2020-09-04 | 博亿(深圳)工业科技有限公司 | Wet grinding system |
| CN111617851A (en) * | 2019-12-25 | 2020-09-04 | 博亿(深圳)工业科技有限公司 | Separating device applied to wet grinding |
| CN111536240A (en) * | 2020-06-08 | 2020-08-14 | 山东慧敏科技开发有限公司 | Sand mill rotary joint for isolating material from contact with sealing ring and application thereof |
| CN111974512A (en) * | 2020-08-04 | 2020-11-24 | 中冶北方（大连）工程技术有限公司 | Multi-cavity grinding machine |
| CN113289730A (en) * | 2021-04-28 | 2021-08-24 | 宿州市诚势机电设备有限责任公司 | Ultramicro traditional Chinese medicine cell wall breaking equipment |
| CN113458241A (en) * | 2021-05-15 | 2021-10-01 | 黑龙江省科学院智能制造研究所 | A stamping equipment for aluminum alloy ex-trusions |
| CN113245014A (en) * | 2021-05-18 | 2021-08-13 | 东莞市琅菱机械有限公司 | Double-turbine bead material separation sand mill |
| 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 |
| CN113546731A (en) * | 2021-07-20 | 2021-10-26 | 东莞市华汇精密机械有限公司 | Novel nanometer sand mill |
| CN113842729A (en) * | 2021-09-24 | 2021-12-28 | 南京利卡维智能科技有限公司 | Vacuum pumping mechanism for multi-shaft grinding machine and vacuum grinding method thereof |
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| CN113953027A (en) * | 2021-10-18 | 2022-01-21 | 天津水泥工业设计研究院有限公司 | Powder selecting and grinding integrated ball mill |
| CN115845992A (en) * | 2022-12-07 | 2023-03-28 | 深圳市科力纳米工程设备有限公司 | Wet ball milling-based multistage separation device |
| CN115845992B (en) * | 2022-12-07 | 2024-12-17 | 深圳市科力纳米工程设备有限公司 | Multistage separation device based on wet ball milling |
| CN118218073A (en) * | 2024-05-24 | 2024-06-21 | 黑龙江八一农垦大学 | Coarse processing device for coarse cereal protein extraction |
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