CN115888934A - Fluidized bed jet mill pulverizer - Google Patents
Fluidized bed jet mill pulverizer Download PDFInfo
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- CN115888934A CN115888934A CN202211448495.5A CN202211448495A CN115888934A CN 115888934 A CN115888934 A CN 115888934A CN 202211448495 A CN202211448495 A CN 202211448495A CN 115888934 A CN115888934 A CN 115888934A
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- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000007599 discharging Methods 0.000 claims abstract description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 8
- 238000000462 isostatic pressing Methods 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 5
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 8
- 239000011148 porous material Substances 0.000 claims 2
- 238000003801 milling Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 35
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 11
- 229910052744 lithium Inorganic materials 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The invention relates to a fluidized bed jet mill pulverizer, which comprises a supporting base, a barrel body arranged on the base, a feeding mechanism, an airflow mechanism and a grading mechanism, wherein the inner cavity of the barrel body is divided into an upper cavity and a lower cavity which are communicated up and down from top to bottom, the top of the upper cavity and the bottom of the lower cavity are sealed, the airflow mechanism is arranged at the lower part of the lower cavity, a feeding hole is formed in the middle of the lower cavity, the feeding mechanism is arranged outside the barrel body and is communicated with the lower cavity of the barrel body through the feeding hole, the grading mechanism comprises a grading motor, a grading wheel and a discharging part, the grading motor is arranged outside the barrel body, the grading wheel is an alumina ceramic grading wheel and is arranged above the joint of the upper cavity and the lower cavity in the barrel body, one end of the grading wheel is connected with a transmission shaft of the grading motor, the other end of the grading wheel is communicated with the discharging part, and a sealing disk with a positive pressure gas structure is arranged between the grading wheel and the discharging part.
Description
Technical Field
The invention belongs to the technical field of crushing equipment for materials and other materials in the lithium battery industry, and relates to a crusher, in particular to a fluidized bed jet mill crusher.
Background
The jet mill is a crushing device which utilizes air flow to crush materials and process coarse-grained materials into fine-grained powder. Jet mills can be broadly classified into five categories: disc type air flow mill, fluidized bed type air flow mill, circulating pipe type air flow mill, opposite spraying type air flow mill, target type air flow mill. The fluidized bed jet mill is more applied to the lithium battery industry. The operating principle of the fluidized bed jet mill pulverizer is that compressed air is accelerated into supersonic airflow through a Laval nozzle and then is injected into a pulverizing area, so that materials are fluidized in the supersonic airflow and collide with each other to be pulverized, the pulverized materials reach a classifying area along with the airflow, the materials meeting the fineness requirement flow to a classifying wheel for classification under the action of negative pressure, and finally the materials which do not meet the fineness requirement are collected by a collector and return to a pulverizing chamber again to be pulverized continuously under the action of self gravity until the required fineness is achieved and are captured by the classifying wheel.
The grading wheel and the nozzle of the existing fluidized bed jet mill pulverizer are influenced by the structure and the material, are easy to wear in the process of pulverizing lithium battery materials and other materials, the worn metal is easy to pollute the lithium battery materials, and the purity of the lithium battery materials can be reduced; secondly, the sealing structures arranged at the two ends of the existing grading wheel are complex, the processing difficulty is high, the processing cost is high, and the sealing structures need to be simplified and optimized; in addition, the operating principle of the fluidized bed jet mill is that materials collide at a high speed in the inner cavity of the equipment, the surface of the inner cavity of the equipment is very easy to abrade, the generated noise is not suitable for long-time operation of workers due to high decibel, and meanwhile, vibration generated by high-speed rotation of the classifying wheel easily causes certain adverse effects on surrounding building structures.
Disclosure of Invention
The invention aims to provide a fluidized bed jet mill pulverizer, which aims to solve the technical problems that in the prior art, a grading wheel and a nozzle are short in service life, large particles are easy to escape from sealing parts at two ends of the grading wheel, the surface of an inner cavity of equipment is easy to wear and has high noise, and buildings around the equipment are influenced by vibration generated by high-speed rotation of the grading wheel for a long time.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a fluidized bed jet mill rubbing crusher, its is including supporting the base and setting up the staving on the base, feed mechanism, air current mechanism and hierarchical mechanism, the inner chamber of staving divide into last cavity and the lower cavity of intercommunication from top to bottom, the top of going up the cavity and the bottom of cavity is sealed down, air current mechanism sets up the lower part of cavity down, the middle part of cavity is provided with the feed inlet down, feed mechanism sets up outside the staving, through the feed inlet with the lower cavity intercommunication of staving, hierarchical mechanism includes hierarchical motor, grading wheel and ejection of compact portion, hierarchical motor sets up outside the staving, the grading wheel is alumina ceramics grading wheel, sets up in the staving the top of cavity and lower cavity junction, the one end of grading wheel with hierarchical motor drive connects, and the other end is connected with ejection of compact portion, is provided with the sealed dish that has positive pressure gas structure between grading wheel and the ejection of compact portion.
The grading wheel is an alumina ceramic grading wheel formed in one step by isostatic pressing.
The air current mechanism including set up in a plurality of air nozzle in the cavity of resorption is internal, the air nozzle is isostatic pressing integrated into one piece's porcelain zirconia ceramic air nozzle entirely, the nozzle hole is the Laval curve type hole, a plurality of the directional same centre of a circle department of air current that the air nozzle erupted.
The sealing disc is a washer-shaped disc, and the positive pressure air structure comprises a plurality of positive pressure air supply small holes distributed on the sealing disc;
discharge portion is two cavities structure, includes exocoel air feed channel and is located the exocoel air feed channel inboard discharging channel, exocoel air feed channel's left end is provided with terminal surface, right-hand member and links to each other with outside compressed air pipeline, discharging channel left end and branch wheel intercommunication, the right-hand member ejection of compact, sealed dish is fixed on the terminal surface of exocoel air feed channel left end, offer on the terminal surface with sealed dish malleation air feed aperture one-to-one's little air pocket passageway, outside compressed air behind exocoel air feed channel, little air pocket passageway and malleation air feed aperture form a malleation airtight sealed air cushion in 0.3 ~ 0.5 mm's gap between high-speed rotation's branch wheel and the sealed dish, prevent that the material granule from escaping in 0.3 ~ 0.5 mm's gap between the right-hand member face of branch wheel and the left end face of sealed dish.
The grading motor comprises a labyrinth seal protecting cover, a lip seal ring seat and a lip seal ring gland, a double-seal structure is adopted between the left end of the grading wheel and the grading motor, the double-seal structure comprises a lip seal ring and a labyrinth seal structure, a groove capable of placing the lip seal ring is formed in the lip seal ring seat, the lip seal ring is arranged in the groove, and the lip seal ring gland is fixed on the outer side of the lip seal ring seat;
the labyrinth seal structure comprises labyrinth-shaped protrusions and grooves arranged on the labyrinth seal protecting cover and a left end face of a grading wheel matched with the labyrinth seal protecting cover.
The surface of the upper cavity and the surface of the lower cavity in the barrel body are both provided with wear-resistant linings, and the wear-resistant linings are alumina ceramic linings.
The top of the upper cavity is provided with a top cover, and the top cover is connected with the barrel body in a sealing mode.
The bottom of the lower cavity is provided with a bottom cover, and the bottom cover is connected with the barrel body in a sealing mode.
And a damping mechanism is arranged below the base.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the fluidized bed jet mill pulverizer provided by the invention improves the grading wheel and the air nozzle, and improves the strength and the wear resistance of the grading wheel and the air nozzle by adopting the isostatic pressing integrally-formed alumina grading wheel and the isostatic pressing integrally-formed zirconia ceramic air nozzle, thereby not only effectively prolonging the service life of the grading wheel and the air nozzle, but also avoiding the pollution to lithium battery materials after the grading wheel and the air nozzle are worn by adopting metal materials.
Under the normal condition, there can be 0.3 ~ 0.5 mm's gap between the right-hand member face of classifying wheel and the left end face of sealed dish, this scheme sets up the sealed dish that has malleation air feed aperture through the discharge end at the classifying wheel, set up exocoel air feed channel and the little air vent passageway that corresponds with malleation air feed aperture on the discharge portion, can be after external cavity air feed channel air feed, form positive pressure gas seal in the gap of 0.3 ~ 0.5mm that normally exists between the left end face of the right-hand member face of high-speed rotatory classifying wheel and the static sealed dish, can not only effectively avoid large granule thing to escape, moreover, the steam generator is simple in structure, the processing cost is far below the sealing member at current classifying wheel both ends, and is simple and reliable.
The connection end of the grading wheel and the grading motor adopts a double-sealing structure of a labyrinth sealing structure and a lip sealing ring, the sealing performance of the part can be reliably ensured by adopting a simple structure, the sealing is not limited by the structure between the grading wheel and the grading motor, and the sealing cost is reduced.
Evenly set up stand wear and tear inside lining on the inner wall of staving, improved staving inner wall's shock resistance, can drive the high-speed collision of material, kibbling in-process at the air current, effectively reduce the wearing and tearing of material to staving inner wall, the metal material of avoiding wearing and tearing to fall pollutes the lithium electricity material, can suitably reduce the intensity of the noise of the production of equipment operation in-process again, reduces the influence of noise to workman's health. The damping mechanism is arranged to absorb vibration generated by the high-speed rotation of the grading wheel to drive the barrel body, so that the adverse effect of equipment vibration on surrounding building structures can be effectively reduced.
The invention improves the whole body and the wear-resistant strength of parts of the fluidized bed jet mill pulverizer by a simple structure, avoids the lithium battery material from being polluted by other metals in the pulverizing process, improves the sealing degree between the grading wheel and the grading motor, avoids large particle materials from escaping from the sealing disc and the grading wheel in the process of being blown up by supersonic airflow, and simultaneously can reduce the influence of noise and vibration generated in the working process of the pulverizer on workers and the surrounding environment.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is an enlarged partial schematic view at the staging mechanism;
FIG. 4 is a partially enlarged view of the dual seal structure of FIG. 3;
FIG. 5 is a schematic view of a half-section of the classification wheel;
FIG. 6 is a schematic view of the construction of the classification wheel;
FIG. 7 is a schematic view of a half-section of an air nozzle;
FIG. 8 is a schematic view of a half-section of the seal disk;
FIG. 9 is a schematic view of the seal disk configuration.
The symbols in the figure illustrate: 1. the device comprises a barrel body, 101, an upper cavity, 102, a lower cavity, 103, a top cover, 104, a bottom cover, 105, a wear-resistant lining, 2, a feeding mechanism, 3, an airflow mechanism, 4, a grading mechanism, 5, a feeding port, 6, a grading motor, 601, a labyrinth sealing protective cover, 602, a lip sealing ring seat, 603, a lip sealing ring gland, 7, a grading wheel, 8, a discharging part, 9, a sealing disc, 10, an air nozzle, 11, a positive pressure air supply small hole, 12, a lip sealing ring, 13, a labyrinth sealing ring, 14, a base, 15 and a damping mechanism.
Detailed Description
For a better understanding of the objects, structure and function of the invention, reference should be made to the following descriptive matter, taken in conjunction with the accompanying drawings, in which the invention is illustrated in detail.
As shown in fig. 1 to 3, the fluidized bed jet mill pulverizer of the present invention includes a supporting base 14, a barrel body 1 disposed on the supporting base 14, a feeding mechanism 2, a gas flow mechanism 3, and a classification mechanism 4, wherein an inner cavity of the barrel body 1 is divided into an upper cavity 101 and a lower cavity 102 which are vertically communicated, a top of the upper cavity 101 and a bottom of the lower cavity 102 are sealed, the gas flow mechanism 3 is disposed at a lower portion of the lower cavity 102, a feed inlet 5 is disposed at a middle portion of the lower cavity 102, the feeding mechanism 2 is disposed outside the barrel body 1 and is communicated with the lower cavity 102 of the barrel body 1 through the feed inlet 5, the classification mechanism 4 includes a classification motor 6, a classification wheel 7, and a discharge portion 8, the classification motor 6 is disposed outside the barrel body 1, the classification wheel 7 is an alumina ceramic classification wheel 7, and is disposed in the barrel body 1 above a connection portion of the upper cavity 101 and the lower cavity 102, one end of the classification wheel 7 is in transmission connection with the classification motor 6, the other end is connected with the discharge portion 8, and a sealing disk 9 with the classification wheel 7 and the discharge portion 8 is disposed therebetween.
The material gets into staving 1 by feed mechanism 2 in, fall into staving 1's lower cavity 102, compressed air blows in cavity 102 down through the air current mechanism 3 that cavity 102 lower part set up down, the large granule material collision crushing in the cavity 102 under the drive, hierarchical motor 6 drives classifying wheel 7 high-speed rotatory, the little granule material after the smashing rises to the classifying wheel 7 department of upper chamber 101 along with the air current, get into discharge portion 8 along with the air current after 7 grades through classifying wheel, the large granule material that does not reach the requirement can continue to fall to and continue to smash in lower cavity 102 owing to failing to get into classifying wheel 7. The sealing disc 9 with a positive pressure gas structure is arranged between the grading wheel 7 and the discharging part 8, so that positive pressure gas sealing can be formed between the grading wheel 7 and the sealing disc 9 which rotate at a high speed in the process of crushing materials, and large-particle materials are prevented from escaping from a gap between the grading wheel 7 and the sealing disc 9.
It is specific, as shown in fig. 8, fig. 9, sealed dish 9 is the gasket form disc, the positive pressure gas structure includes a plurality of malleation air feed aperture 11, in addition, as shown in fig. 3, discharge portion 8 is two cavity structures, includes exocoel air feed passageway and is located the inside discharging channel of exocoel air feed passageway, exocoel air feed passageway's left end is provided with terminal surface, right-hand member and links to each other with outside compressed air pipeline, the discharging channel left end with 7 intercommunications of gradation wheel, the right-hand member ejection of compact, sealed dish 9 is fixed on the terminal surface of exocoel air feed passageway left end, set up on the terminal surface with sealed dish 9 on 11 one-to-one's of malleation air feed aperture little air vent passageway. Under normal conditions, a gap of 0.3-0.5 mm can exist between the right end face of the fixed classifying wheel and the left end face of the sealing disc, a positive pressure air structure consisting of an outer cavity air supply channel, a small air hole channel and a positive pressure air supply small hole is utilized, when external compressed air is introduced into the outer cavity air supply channel, the compressed air is ejected out after passing through the outer cavity air supply channel, the small air hole channel and the positive pressure air supply small hole 11, a positive pressure air-tight air cushion can be formed between the classifying wheel 7 rotating at high speed and the sealing disc 9 which is still along with the discharging part 8, and the positive pressure air-tight air cushion can effectively prevent material particles from escaping from the gap of 0.3-0.5 mm between the right end face of the classifying wheel and the left end face of the sealing disc.
Meanwhile, as shown in fig. 3 and 4, since the structure of the joint between the classification motor 6 and the classification wheel 7 is more complex than the structure of the joint between the classification wheel 7 and the discharging part 8, which is limited by the structure of the joint, if the positive pressure gas seal is adopted, a positive pressure gas seal structure with a complex structure is required, which not only has high manufacturing cost, but also cannot ensure the sealing effect of the joint. Therefore, in order to reduce the sealing difficulty and improve the sealing effect of the classification motor 6 and the classification wheel 7 at the upper cavity 101, in this embodiment, the classification motor 6 includes a labyrinth seal cover 601, a lip seal seat 602 and a lip seal gland 603, a double seal structure is adopted between the left end of the classification wheel 7 and the classification motor 6, the double seal structure includes a lip seal 12 and a labyrinth seal 13, a groove capable of placing the lip seal 12 is arranged on the lip seal seat 602, the lip seal 12 is arranged in the groove, and the lip seal gland 603 is fixed at the outer side of the lip seal seat 602; and the labyrinth seal structure 13 comprises labyrinth-shaped protrusions and grooves arranged on the labyrinth seal protective cover 601 and the left end surface of the grading wheel 7 matched with the labyrinth seal protective cover 601. Adopt the double containment structure that this embodiment provided, on the basis of guaranteeing sealed effect, simple structure has effectively reduced the processing cost and the processing degree of difficulty.
In order to reduce the complexity of the structure of the classifying wheel 7 and to improve the strength and wear resistance of the classifying wheel 7, the classifying wheel 7 in this embodiment is an alumina ceramic classifying wheel 7 which is formed by isostatic pressing and is integrally sintered, as shown in fig. 5 and 6. Adopt this kind of grading wheel 7 can effectively avoid grading wheel 7 wearing and tearing department metal powder, metal particle, can also avoid wearing and tearing to drop the metal impurity sneak into in the kibbling material simultaneously and pollute the lithium electricity material, and the effect is showing.
Further, as shown in fig. 1 and fig. 2, the airflow mechanism 3 includes a plurality of air nozzles 10 disposed in the lower cavity 102, the plurality of air nozzles 10 are located on the same horizontal plane, and the ejected airflow points to the same circle center; simultaneously, in order to simplify air nozzle 10's structure, reduce the degree of difficulty in the air nozzle 10 manufacture process, as shown in fig. 7, air nozzle 10 in this embodiment is isostatic pressing integrated into one piece's full porcelain zirconia ceramic air nozzle 10, chooses for use full porcelain zirconia ceramic air nozzle 10 can also avoid wearing and tearing to produce metal impurity, pollutes by kibbling lithium electricity material. In addition, in order to accelerate the compressed air into supersonic airflow, the inner hole of the nozzle is a laval curve type hole in the embodiment.
Further, because the material is smashed at high-speed collision in staving 1, inevitably can collide the inner wall of staving 1, produce great noise, for avoiding staving 1 inner wall to take place wearing and tearing at the in-process of smashing the material, the metallic debris that wear and tear pollutes the lithium electricity material, also for improving staving 1's sound insulating ability, reduce the noise intensity around the rubbing crusher, thereby reduce the influence of noise to workman's health, as shown in fig. 1, fig. 2, in this embodiment, the surface of last cavity 101 and lower cavity 102 in staving 1 all is provided with wear-resisting inside lining 105, specifically, wear-resisting inside lining 105 is the alumina ceramics inside lining.
Further, as shown in fig. 1 and 2, in order to facilitate installation and replacement of the classification mechanism 4 and the air nozzle 10 and also facilitate cleaning of the interior of the barrel body 1, a detachable top cover 103 is arranged at the top of the upper cavity 101, the top cover 103 is connected with the barrel body 1 in a sealing manner, a detachable bottom cover 104 is arranged at the bottom of the lower cavity 102, and the bottom cover 104 is connected with the barrel body 1 in a sealing manner.
In addition, in order to absorb the vibration generated during the operation of the crusher and reduce the adverse effect of the generated vibration on the surrounding building structure, in the embodiment, a damping mechanism 15 is further arranged below the base 14, as shown in fig. 1 and 2. The shock absorbing mechanism 15 may be of various types, such as a shock absorbing spring, a shock absorbing rubber seat, a vibration isolator, etc., and the manufacturer may specifically select the shock absorbing mechanism according to actual situations.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. A fluidized bed jet mill rubbing crusher which characterized in that: which comprises a base (14), a barrel body (1) arranged on the base (14), a feeding mechanism (2), an airflow mechanism (3) and a grading mechanism (4), the inner cavity of the barrel body (1) is divided into an upper cavity (101) and a lower cavity (102) which are communicated up and down from top to bottom, the top of the upper cavity (101) and the bottom of the lower cavity (102) are sealed, the air flow mechanism (3) is arranged at the lower part of the lower cavity (102), the middle part of the lower cavity (102) is provided with a feed inlet (5), the feeding mechanism (2) is arranged outside the barrel body (1) and is communicated with the lower cavity body (102) of the barrel body (1) through a feeding hole (5), the grading mechanism (4) comprises a grading motor (6), a grading wheel (7) and a discharging part (8), hierarchical motor (6) set up outside staving (1), for alumina ceramics classification wheel (7), set up last cavity (101) in staving (1) and the top of cavity (102) junction down, classification wheel (7) one end with hierarchical motor (6) transmission is connected, and the other end is connected with ejection of compact portion (8), is provided with sealed dish (9) that have positive pressure gas structure between classification wheel (7) and ejection of compact portion (8).
2. A fluid bed jet mill pulverizer as claimed in claim 1, wherein: the grading wheel (7) is an alumina ceramic grading wheel (7) formed in one step by isostatic pressing.
3. A fluid bed jet mill pulverizer as claimed in claim 1, wherein: the air current mechanism (3) including set up in a plurality of air nozzle (10) in lower cavity (102), air nozzle (10) are isostatic pressing integrated into one piece's all porcelain zirconia ceramic air nozzle (10), the nozzle hole is the Laval curve type hole, a plurality of the air current that air nozzle (10) jetted is directional same centre of a circle department.
4. The fluid bed jet mill pulverizer of claim 1, wherein: the sealing disc (9) is a gasket-shaped disc, and the positive pressure air structure comprises a plurality of positive pressure air supply small holes (11) distributed on the sealing disc (9);
discharging part (8) are two cavities structure, include exocoel air feed channel and be located the exocoel air feed channel inboard discharging channel, exocoel air feed channel links to each other with outside compressed air pipeline, discharging channel left end and classifying wheel (7) intercommunication, the right-hand member ejection of compact, sealed dish (9) are fixed on the terminal surface of exocoel air feed channel left end, wherein set up on the terminal surface of exocoel air feed channel left end with sealed dish (9) go up the little pore channel of malleation air feed aperture (11) one-to-one, outside compressed air through exocoel air feed channel, little pore channel and malleation air feed aperture (11) after high-speed rotatory classifying wheel (7) and sealed dish (9) form the just compressed air and seal.
5. The fluid bed jet mill pulverizer of claim 1, wherein: the classification motor (6) comprises a labyrinth seal protective cover (601), a lip seal ring seat (602) and a lip seal ring gland (603), a double-seal structure is adopted between the left end of the classification wheel (7) and the classification motor (6), the double-seal structure comprises a lip seal ring (12) and a labyrinth seal structure (13), a groove capable of placing the lip seal ring (12) is formed in the lip seal ring seat (602), the lip seal ring (12) is arranged in the groove, and the lip seal ring gland (603) is fixed on the outer side of the lip seal ring seat (602);
the labyrinth seal structure (13) comprises labyrinth-shaped protrusions and grooves arranged on the labyrinth seal protective cover (601) and the left end face of the grading wheel (7) matched with the labyrinth seal protective cover (601).
6. The fluid bed jet mill pulverizer of claim 1, wherein: the surface of the upper cavity (101) and the surface of the lower cavity (102) in the barrel body (1) are both provided with wear-resistant linings (105), and the wear-resistant linings (105) are alumina ceramic linings.
7. A fluidized bed gas as claimed in claim 1
The fluid milling pulverizer is characterized in that: the top of the upper cavity (101) is provided with a top cover (103), and the top cover (103) is hermetically connected with the barrel body (1).
8. The fluid bed jet mill pulverizer of claim 1, wherein: the bottom of the lower cavity (102) is provided with a bottom cover (104), and the bottom cover (104) is hermetically connected with the barrel body (1).
9. A fluid bed jet mill pulverizer as claimed in claim 1, wherein: and a damping mechanism (15) is arranged below the base (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211448495.5A CN115888934A (en) | 2022-11-18 | 2022-11-18 | Fluidized bed jet mill pulverizer |
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| CN202211448495.5A CN115888934A (en) | 2022-11-18 | 2022-11-18 | Fluidized bed jet mill pulverizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117753526A (en) * | 2024-02-22 | 2024-03-26 | 世源科技工程有限公司 | Air mill |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202527251U (en) * | 2011-12-14 | 2012-11-14 | 陆锁根 | Full-ceramic and pollution-free fluidized bed jet mill |
| CN203437172U (en) * | 2013-04-10 | 2014-02-19 | 太仓金溪粉碎设备有限公司 | Fluidized bed jet mill |
| CN207018355U (en) * | 2017-07-20 | 2018-02-16 | 山东莱芜煤矿机械有限公司 | A kind of roll breaker fluted roller associated sealing arrangement for bearings |
| CN209271613U (en) * | 2018-06-15 | 2019-08-20 | 宁波中物力拓超微材料有限公司 | Fluidized bed air flow crushing device and fluid bed airflow milling production line |
| CN212120278U (en) * | 2020-04-17 | 2020-12-11 | 方复(上海)新材料科技有限公司 | Fluidized bed jet mill |
-
2022
- 2022-11-18 CN CN202211448495.5A patent/CN115888934A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202527251U (en) * | 2011-12-14 | 2012-11-14 | 陆锁根 | Full-ceramic and pollution-free fluidized bed jet mill |
| CN203437172U (en) * | 2013-04-10 | 2014-02-19 | 太仓金溪粉碎设备有限公司 | Fluidized bed jet mill |
| CN207018355U (en) * | 2017-07-20 | 2018-02-16 | 山东莱芜煤矿机械有限公司 | A kind of roll breaker fluted roller associated sealing arrangement for bearings |
| CN209271613U (en) * | 2018-06-15 | 2019-08-20 | 宁波中物力拓超微材料有限公司 | Fluidized bed air flow crushing device and fluid bed airflow milling production line |
| CN212120278U (en) * | 2020-04-17 | 2020-12-11 | 方复(上海)新材料科技有限公司 | Fluidized bed jet mill |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117753526A (en) * | 2024-02-22 | 2024-03-26 | 世源科技工程有限公司 | Air mill |
| CN117753526B (en) * | 2024-02-22 | 2024-05-28 | 世源科技工程有限公司 | Air mill |
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