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CN-121988520-A - On-line particle size regulation and automatic detection device for nano material production

CN121988520ACN 121988520 ACN121988520 ACN 121988520ACN-121988520-A

Abstract

The invention relates to the technical field of nanometer materials, in particular to an online particle size regulation and automatic detection device for nanometer material production, which comprises a shell I, a shell II and a shell III, wherein a screening cylinder I, a screening cylinder II and a screening cylinder III are respectively arranged in each shell, screening holes with gradually increased pore diameters are uniformly distributed at the bottom of the screening cylinder, and a spiral conveying mechanism and an automatic cleaning mechanism are arranged in the screening cylinder. The conveying mechanism is uniformly driven by the synchronous driving mechanism, so that continuous conveying, stirring and multistage screening of the nano materials are realized. The invention has the beneficial effects that the problems of easy agglomeration, easy blockage during screening and inaccurate particle size detection of the nano materials are effectively solved by combining mechanical multi-stage screening with automatic cleaning, the online, continuous and automatic regulation and detection of the particle size of the nano materials are realized, and the production efficiency and the screening precision are improved.

Inventors

  • XU FULEI
  • YAN WEI
  • Jin Xiubin
  • FAN YONGSHENG
  • XU JUN

Assignees

  • 新沂市中科新塑高分子科技有限公司

Dates

Publication Date
20260508
Application Date
20260127

Claims (10)

  1. 1. The online particle size regulation and automatic detection device for the production of the nano material comprises a shell I (1), a shell II (2) and a shell III (3), and is characterized in that a screening cylinder I (4), a screening cylinder II (5) and a screening cylinder III (6) are respectively arranged in the shell I (1), the shell II (2) and the shell III (3); A conveying mechanism I (41) is arranged in the screening barrel I (4), screening holes I (42) are uniformly distributed at the bottom of the screening barrel I (4), a feed hopper I (43) and a discharge pipe I (44) are respectively arranged at two ends of the screening barrel I (4), and a cleaning mechanism I (45) is correspondingly arranged on the conveying mechanism I (41); A conveying mechanism II (51) is arranged in the screening barrel II (5), screening holes II (52) are uniformly distributed at the bottom of the screening barrel II (5), a feed hopper II (53) and a discharge pipe II (54) are respectively arranged at two ends of the screening barrel II (5), the feed hopper II (53) is positioned right below the discharge pipe I (44), and a cleaning mechanism II (55) is correspondingly arranged on the conveying mechanism II (51); A conveying mechanism III (61) is arranged in the screening cylinder III (6), screening holes III (62) are uniformly distributed at the bottom of the screening cylinder III (6), a feed hopper III (63) and a discharge pipe III (64) are respectively arranged at two ends of the screening cylinder III (6), the feed hopper III (63) is positioned right below the discharge pipe II (54), and a cleaning mechanism III (65) is correspondingly arranged on the conveying mechanism III (61); One end of the conveying mechanism I (41), one end of the conveying mechanism II (51) and one end of the conveying mechanism III (61) close to the feeding hopper I (43) are provided with synchronous driving mechanisms (7).
  2. 2. The on-line grain size regulation and automatic detection device for nano material production according to claim 1 is characterized in that a pouring inclined plane I (11) is arranged at the bottom of a shell I (1), a discharge outlet I (12) is correspondingly arranged at one side, close to the bottom end of the pouring inclined plane I (11), of the shell I (1), a pouring inclined plane II (21) is arranged at the bottom of a shell II (2), a discharge outlet II (22) is correspondingly arranged at one side, close to the bottom end of the pouring inclined plane II (21), of the shell II (2), a pouring inclined plane III (31) is arranged at the bottom of a shell III (3), and a discharge outlet III (32) is correspondingly arranged at one side, close to the bottom end of the pouring inclined plane III (31).
  3. 3. The device for on-line particle size control and automatic detection of nanomaterial production according to claim 1, wherein the conveying mechanism I (41) comprises a rotating rod I (411) and a spiral blade I (412), the rotating rod I (411) is rotatably connected between the front inner wall and the rear inner wall of the sieving cylinder I (4) through a bearing, and the spiral blade I (412) is arranged on the outer side of the rotating rod I (411).
  4. 4. The device for online particle size control and automatic detection of nanomaterial production according to claim 3, wherein the cleaning mechanism I (45) comprises a telescopic rod I (451), a spring I (452) and a cleaning brush I (453), the telescopic rod I (451) is uniformly distributed at the position of the outer side of the rotary rod I (411) located in the clearance of the spiral blade I (412), the cleaning brush I (453) in contact with the inner side wall of the screening barrel I (4) is arranged at the outer side end of the telescopic rod I (451), and the spring I (452) is sleeved on the outer side of the telescopic rod I (451).
  5. 5. The device for on-line particle size control and automatic detection of nanomaterial production as claimed in claim 4, wherein the conveying mechanism II (51) comprises a rotating rod II (511) and a spiral blade II (512), the rotating rod II (511) is rotatably connected between the front inner wall and the rear inner wall of the screening cylinder II (5) through a bearing, and the spiral blade II (512) is arranged on the outer side of the rotating rod II (511).
  6. 6. The on-line grain size regulating and automatic detecting device for nanometer material production according to claim 5, wherein the cleaning mechanism II (55) comprises a telescopic rod II (551), a spring II (552) and a cleaning brush II (553), the telescopic rod II (551) is uniformly distributed at the position of the clearance of the spiral blade II (512) on the outer side of the rotating rod II (511), the cleaning brush II (553) contacted with the inner side wall of the screening cylinder II (5) is arranged at the outer side end of the telescopic rod II (551), and the spring II (552) is sleeved on the outer side of the telescopic rod II (551).
  7. 7. The device for on-line particle size control and automatic detection of nanomaterial production as claimed in claim 6, wherein the conveying mechanism III (61) comprises a rotating rod III (611) and a spiral blade III (612), the rotating rod III (611) is rotatably connected between the front inner wall and the rear inner wall of the sieving cylinder III (6) through a bearing, and the spiral blade III (612) is arranged on the outer side of the rotating rod III (611).
  8. 8. The on-line particle size control and automatic detection device for nano material production according to claim 7, wherein the cleaning mechanism III (65) comprises a telescopic rod III (651), a spring III (652) and a cleaning brush III (653), the telescopic rod III (651) is uniformly distributed at the position of the clearance of the spiral blade III (612) on the outer side of the rotary rod III (611), the cleaning brush III (653) in contact with the inner side wall of the screening cylinder III (6) is arranged at the outer side end of the telescopic rod III (651), and the spring III (652) is sleeved on the outer side of the telescopic rod III (651).
  9. 9. The on-line particle size control and automatic detection device for nano-material production according to claim 8, wherein the synchronous driving mechanism (7) comprises a belt wheel I (71), a belt wheel II (72), a belt wheel III (73), a synchronous belt (74), a driven gear (75), a driving motor (76) and a driving gear (77), the rear end of the rotating rod I (411) behind the sieving barrel I (4) is provided with the driven gear (75), the position of the outer side of the rotating rod I (411) behind the sieving barrel I (4) is provided with the belt wheel I (71), the rear end of the rotating rod II (511) behind the sieving barrel II (5) is provided with the belt wheel II (72), the rear end of the rotating rod III (611) behind the sieving barrel III (6) is provided with the synchronous belt (74), the outer sides of the belt wheel I (71), the belt wheel II (72) and the belt wheel III (73) are matched with the synchronous belt (74), the outer side of the housing I (1) is provided with the driving motor (76), the vertical driving motor (76) is connected with the driving gear (77) through a rotating shaft, and the driving gear (77) is correspondingly meshed with the driving gear (77).
  10. 10. The on-line particle size control and automatic detection device for nano material production according to claim 1, wherein the pore diameter of the sieving hole I (42) is smaller than the pore diameter of the sieving hole II (52), and the pore diameter of the sieving hole II (52) is smaller than the pore diameter of the sieving hole III (62).

Description

On-line particle size regulation and automatic detection device for nano material production Technical Field The invention relates to the technical field of nano materials, in particular to an online particle size regulation and automatic detection device for nano material production. Background The nano material is ultra-fine particle material with at least one dimension in nano scale in three-dimensional space, and the particle size distribution has important influence on the material performance. In the production process, the nano material often affects the product performance due to non-uniform particle size, so that the particle size needs to be regulated and automatically detected on line. In the prior art, the screening method of the nano material mainly comprises pneumatic screening and centrifugal screening. For example, prior art patent document 201710506031.8 discloses a screening method using ion wind blowing, in which nano materials with different particle diameters are settled at different positions by air flow to achieve screening. However, the method has the defects that the nano materials are easy to mutually collide in the airflow screening process, so that the sedimentation position is offset, the accuracy of particle size regulation is reduced, the pneumatic mode is easy to be interfered by the environment, and the measurement error is large. The prior art patent application document with the application number 202411293538.6 discloses a centrifugal screening-based device, and particle size classification is realized through a rotary screening frame, but the device is required to be frequently disassembled for discharging and cleaning, is inconvenient to operate and difficult to realize continuous on-line production, and meanwhile, lacks an effective automatic cleaning mechanism, is easy to block due to material agglomeration in the screening process, and influences screening efficiency and accuracy. In summary, the prior art cannot realize high-precision and high-efficiency online regulation and automatic detection of the particle size of the nano material in the continuous production process. Therefore, a device which is reasonable in structure, convenient to operate, capable of effectively preventing blockage and achieving accurate screening and detection is needed. Disclosure of Invention In order to overcome the technical defects in the prior art and effectively solve the technical problems in the background art, the invention provides the following technical scheme: The on-line particle size regulation and automatic detection device for the production of the nano material comprises a shell I, a shell II and a shell III, wherein a screening cylinder I, a screening cylinder II and a screening cylinder III are respectively arranged in the shell I, the shell II and the shell III; A conveying mechanism I is arranged in the screening barrel I, screening holes I are uniformly distributed at the bottom of the screening barrel I, a feed hopper I and a discharge pipe I are respectively arranged at two ends of the screening barrel I, and a cleaning mechanism I is correspondingly arranged on the conveying mechanism I; The screening device is characterized in that a conveying mechanism II is arranged in the screening barrel II, screening holes II are uniformly distributed at the bottom of the screening barrel II, a feed hopper II and a discharge pipe II are respectively arranged at two ends of the screening barrel II, the feed hopper II is positioned right below the discharge pipe I, and a cleaning mechanism II is correspondingly arranged on the conveying mechanism II; The screening device is characterized in that a conveying mechanism III is arranged in the screening cylinder III, screening holes III are uniformly distributed at the bottom of the screening cylinder III, a feed hopper III and a discharge pipe III are respectively arranged at two ends of the screening cylinder III, the feed hopper III is positioned right below the discharge pipe II, and a cleaning mechanism III is correspondingly arranged on the conveying mechanism III; And one ends of the conveying mechanism I, the conveying mechanism II and the conveying mechanism III, which are close to the feeding hopper I, are provided with synchronous driving mechanisms. As a preferable technical scheme of the invention, the bottom of the shell I is provided with a pouring inclined plane I, one side of the shell I, which is close to the bottom end of the pouring inclined plane I, is correspondingly provided with a discharge opening I, the bottom of the shell II is provided with a pouring inclined plane II, one side of the shell II, which is close to the bottom end of the pouring inclined plane II, is correspondingly provided with a discharge opening II, the bottom of the shell III is provided with a pouring inclined plane III, and one side of the shell III, which is close to the bottom end of the pouring inclined plane III, is correspondi