CN213669743U - Nozzle structure of fluidized bed jet mill - Google Patents
Nozzle structure of fluidized bed jet mill Download PDFInfo
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- CN213669743U CN213669743U CN202022216344.XU CN202022216344U CN213669743U CN 213669743 U CN213669743 U CN 213669743U CN 202022216344 U CN202022216344 U CN 202022216344U CN 213669743 U CN213669743 U CN 213669743U
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Abstract
The utility model discloses a fluidized bed fluid energy mill's nozzle structure, including setting up the crushing nozzle on crushing room lower part lateral wall, two rows about crushing nozzle is provided with, go up row and lower row crushing nozzle set up along the circumferencial direction evenly distributed of lateral wall, the front end of going up row crushing nozzle inclines 30-60 down, the front end of lower row crushing nozzle inclines 30-60 up, the air current junction coincidence of going up row crushing nozzle and lower row crushing nozzle, crushing nozzle includes the mainstream pipe, the front end of mainstream pipe even has three shunt tubes, three shunt tubes are regular triangle and distribute. The utility model discloses a nozzle structure has not only improved the jet milling region, and the nozzle that sets up relatively simultaneously, the impact energy who produces when smashing is big, has increased the collision between the material, effects such as shearing and friction, great improvement smash efficiency.
Description
Technical Field
The utility model relates to a material ultrafine grinding equipment field, concretely relates to fluidized bed fluid energy mill's nozzle structure.
Background
A fluidized bed jet mill is a dry-method ultramicro jet milling device, which comprises a milling chamber and a milling nozzle oppositely arranged on the side wall of the lower part of the milling chamber. The crushing nozzle sprays high-speed airflow to the inner cavity of the crushing chamber to impact the material to crush the material. The airflow jetted by the opposite crushing nozzles forms a three-dimensional jet impact crushing area in the inner cavity of the crushing chamber, and the three-dimensional jet impact crushing area is an area for crushing materials. But the current airflow that smashes the nozzle blowout meets the region for a short time, smashes inefficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the current fluid energy mill's of technical problem that will solve crushing nozzle spun air current intersection region is little, smashes inefficiency, and aim at provides fluidized bed fluid energy mill's nozzle structure, has not only improved the jet milling region, and the nozzle that sets up relatively simultaneously, the impact energy who produces when smashing is big, has increased the collision between the material, effects such as shearing and friction, great improvement smash efficiency.
The utility model discloses a following technical scheme realizes:
fluidized bed fluid energy mill's nozzle structure, including setting up the crushing nozzle on crushing room lower part lateral wall, crushing nozzle is provided with two rows from top to bottom, go up row and lower row crushing nozzle along the circumferencial direction evenly distributed setting of lateral wall, the front end of going up row crushing nozzle inclines 30-60 down, the front end of lower row crushing nozzle inclines 30-60 up, the airstream junction coincidence of going up row crushing nozzle and lower row crushing nozzle, crushing nozzle includes the mainstream pipe, the front end of mainstream pipe even has three shunt tubes, three shunt tubes are regular triangle and distribute.
The utility model discloses a nozzle structure has not only improved the jet milling region, and the nozzle that sets up relatively simultaneously, the impact energy who produces when smashing is big, has increased the collision between the material, effects such as shearing and friction, great improvement smash efficiency.
The utility model has the advantages that the two rows of crushing nozzles which are oppositely arranged up and down are adopted, so that when materials enter the airflow crushing area, the impact force received is multi-directional force in a three-dimensional space, compared with the impact force in the plane direction formed by single row of crushing nozzles, the impact force caused to the materials is larger, and the mutual collision between the materials is greatly increased; the front end of each crushing nozzle includes three shunt tubes, can spout three air currents, and a plurality of three air currents can be followed and produced more junctions when intersecting, thereby the material can receive the air current impact at different junctions promptly and produce the collision, thereby it can move collision each other under the impulsive force again to be located between the material of different junctions, has improved jet milling's region greatly and has smashed efficiency.
The externally mounted who smashes nozzle front end shunt tubes has the reinforcement cover of tubaeform, and all reinforcement covers that smash the nozzle front end "enclose" with the air current district that crosses and close, give the restraint to smashing nozzle spun air current, avoid strikeing simultaneously and smash the material in the district to the splattering all around for hit the material reflection on the shield cover and strike crushing district, thereby can improve crushing efficiency greatly.
Furthermore, the cross section of the air outlet of the shunt pipe is triangular.
Furthermore, the extension lines of the lower row of crushing nozzles penetrate through the airflow intersection points and are collinear with the upper row of crushing nozzles, so that the airflows of the lower row of crushing nozzles and the upper row of crushing nozzles can be completely opposite-flushed on the same straight line.
Furthermore, the strengthening cover is made of stainless steel materials, and the rubber layer is coated on the outer wall of the strengthening cover, so that the wear resistance of the strengthening cover is improved.
Furthermore, the front ends of the upper row of crushing nozzles are inclined downwards by 45 degrees, and the front ends of the lower row of crushing nozzles are inclined upwards by 45 degrees.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the nozzle structure of the fluidized bed jet mill of the utility model not only improves the jet milling area, but also greatly improves the impact energy generated during milling due to the relatively arranged nozzles, increases the functions of collision, shearing, friction and the like between materials, and greatly improves the milling efficiency;
2. the utility model discloses fluidized bed fluid energy mill's nozzle structure, the front end of each crushing nozzle includes three shunt tubes, can erupt three air currents, and a plurality of three air currents can be from producing more junctions when meeting, and the material can receive the air current at different junctions and assault and thus produce the collision, and can move under the impulsive force between the material that is located different junctions and thus collide each other, has improved jet milling's region and crushing efficiency greatly;
3. the utility model discloses fluidized bed fluid energy mill's nozzle structure, the externally mounted of crushing nozzle front end shunt tubes has the reinforcement cover of tubaeform, and all reinforcement covers of smashing the nozzle front end "enclose" with the air current district of crossing and close, give the restraint to smashing nozzle spun air current, avoid strikeing the material in the crushing district simultaneously and to scatter all around for hit the material reflection on the shield cover and strike crushing district, thereby can improve crushing efficiency greatly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the front end structure of the present invention.
Reference numbers and corresponding part names in the drawings:
1-crushing nozzle, 2-main flow pipe, 3-shunt pipe and 4-strengthening cover.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
As shown in fig. 1 and fig. 2, the utility model discloses fluidized bed fluid energy mill's nozzle structure, including setting up crushing nozzle 1 on crushing room lower part lateral wall, a serial communication port, crushing nozzle 1 is provided with two rows from top to bottom, it sets up along the circumferencial direction evenly distributed of lateral wall to go up row and lower row of crushing nozzle 1, the front end of going up row of crushing nozzle 1 slopes down 30-60, the front end of lower row of crushing nozzle 1 slopes up 30-60, the coincidence of the air current intersection zone of going up row of crushing nozzle 1 and lower row of crushing nozzle 1, crushing nozzle 1 includes main flow pipe 2, the front end of main flow pipe 2 even has three shunt tubes 3, three shunt tubes 3 are regular triangle-shaped and distribute.
The utility model has the advantages that the two rows of crushing nozzles which are oppositely arranged up and down are adopted, so that when materials enter the airflow crushing area, the impact force received is multi-directional force in a three-dimensional space, compared with the impact force in the plane direction formed by single row of crushing nozzles, the impact force caused to the materials is larger, and the mutual collision between the materials is greatly increased; the front end of each crushing nozzle includes three shunt tubes, can spout three air currents, and a plurality of three air currents can be followed and produced more junctions when intersecting, thereby the material can receive the air current impact at different junctions promptly and produce the collision, thereby it can move collision each other under the impulsive force again to be located between the material of different junctions, has improved jet milling's region greatly and has smashed efficiency.
Preferably, the externally mounted of crushing nozzle front end shunt tubes has tubaeform to reinforce cover 4, and all the reinforcement covers that smash the nozzle front end "enclose" with the air current district that crosses and close, give the restraint to crushing nozzle spun air current, avoid simultaneously impacting the material in the crushing district to scattering all around for hit the material reflection on the shield cover and return to impact crushing district, thereby can improve crushing efficiency greatly.
Preferably, the cross section of the air outlet of the shunt pipe is triangular.
Preferably, the extension lines of the lower row of the crushing nozzles penetrate through the air flow intersection points and are collinear with the upper row of the crushing nozzles, so that the air flows of the lower row of the crushing nozzles and the upper row of the crushing nozzles can be completely opposite to each other on the same straight line.
Preferably, the reinforcing cover is made of stainless steel materials, and the rubber layer is coated on the outer wall of the reinforcing cover, so that the wear resistance of the reinforcing cover is improved.
Preferably, the front ends of the upper row of pulverizing nozzles are inclined downward by 45 °, and the front ends of the lower row of pulverizing nozzles are inclined upward by 45 °.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. Fluidized bed fluid energy mill's nozzle structure, including setting up crushing nozzle (1) on crushing room lower part lateral wall, a serial communication port, crushing nozzle (1) is provided with two rows from top to bottom, it sets up along the circumferencial direction evenly distributed of lateral wall to go up row and lower row crushing nozzle (1), the front end of going up row crushing nozzle (1) is slope 30-60 down, the front end of lower row crushing nozzle (1) is slope 30-60 up, the air current intersection region coincidence of going up row crushing nozzle (1) and lower row crushing nozzle (1), crushing nozzle (1) includes main flow pipe (2), the front end of main flow pipe (2) even has three shunt tubes (3), three shunt tubes (3) are regular triangle-shaped and distribute.
2. The nozzle structure of a fluidized bed jet mill according to claim 1, characterized in that a reinforcement cover (4) having a trumpet shape is installed outside the shunt tube (3) at the front end of the pulverizing nozzle (1).
3. The nozzle structure of a fluidized bed jet mill according to claim 1, characterized in that the cross section of the air outlet of the shunt tube (3) is triangular.
4. The nozzle structure of a fluid bed air stream pulverizer as claimed in claim 1, wherein the extension line of the lower row of pulverizing nozzles (1) is collinear with the upper row of pulverizing nozzles (1) through the air stream intersection.
5. The nozzle structure of a fluid bed jet mill according to claim 2, characterized in that the reinforcing cover (4) is made of stainless steel material, and the outer wall of the reinforcing cover (4) is covered with a rubber layer.
6. The nozzle structure of a fluidized bed jet mill according to claim 1, characterized in that the front ends of the upper row of pulverizing nozzles (1) are inclined downward by 45 ° and the front ends of the lower row of pulverizing nozzles (1) are inclined upward by 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022216344.XU CN213669743U (en) | 2020-09-30 | 2020-09-30 | Nozzle structure of fluidized bed jet mill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022216344.XU CN213669743U (en) | 2020-09-30 | 2020-09-30 | Nozzle structure of fluidized bed jet mill |
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| CN213669743U true CN213669743U (en) | 2021-07-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308318A (en) * | 2021-12-25 | 2022-04-12 | 河北光太路桥工程集团有限公司 | Sand making machine with damping device |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308318A (en) * | 2021-12-25 | 2022-04-12 | 河北光太路桥工程集团有限公司 | Sand making machine with damping device |
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