CN-120293787-B - Detection device for regulating and controlling particle size distribution of superfine high-purity spherical silica micropowder

CN120293787BCN 120293787 BCN120293787 BCN 120293787BCN-120293787-B

Abstract

The invention discloses a detection device for regulating and controlling the particle size distribution of superfine high-purity spherical silica micropowder, and belongs to the technical field of laser particle sizers. The utility model provides a superfine high-purity spherical silica powder granularity distribution detection device for regulation and control, includes the base, one side of base upper end is provided with the detection box, detection box intermediate position vertically has set gradually first detection frame and second detection frame. The invention solves the problems that when the existing laser particle sizer is used for measuring and using wet measurement, the equipment per se can not adjust the flow speed according to the weight of a sample, so that the steps of measuring the weight of the sample and adjusting the weight of the sample are additionally needed before the sample is measured and put into the equipment, and the efficiency of using and detecting the equipment is reduced.

Inventors

RUAN JIANJUN
ZHANG JIANPING
FENG BAOQI
WANG HONGBIN
ZHOU XIAOBING
LI QINGLEI
PAN YUE
ZHU GANG
ZHANG YAN

Assignees

江苏联瑞新材料股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250415

Claims (7)

1. The utility model provides a detection device for superfine high-purity spherical silica micropowder particle size distribution regulation and control, includes base (1), one side of base (1) upper end is provided with detection box (3), its characterized in that, detection box (3) intermediate position vertically has set gradually first detection frame (18) and second detection frame (19), first detection frame (18) one end is provided with input tube (14), the one end of second detection frame (19) is provided with output tube (20), encircle being provided with three first connecting pipe (16) that liquid flow bore increases in proper order between input tube (14) and first detection frame (18), the other end between first detection frame (18) and second detection frame (19) is provided with three second connecting pipe (17) that liquid flow bore increases in proper order, one side of detection box (3) front end has set gradually agitator (5) and support (6), support (6) upper end has set gradually electronic scale (7) and fixed frame (8), three between first connecting pipe (16) are through first connecting piece (15) first connecting pipe (24) are all connected through first connecting piece (24) between first connecting piece (24), the upper end inside detection box (3) is provided with sliding rail (32), inside progress motor outer wall slides and imbeds sliding rail (32), the one end that second connecting block (24) and first connecting block (15) correspond progress motor is provided with first hydraulic stem (26), one side of input tube (14) and first connecting tube (16) hookup location is provided with second hydraulic stem (31), and the both ends of second hydraulic stem (31) respectively with the outside fixed connection of detection box (3) and input tube (14), first connecting block (15) include center pin (151) and three connector (152), connector (152) are including sleeve (1521) and connecting portion (1522), be provided with two arc plates (1523) that can open and shut on sleeve (1521), the inside mirror image of connecting portion (1522) is provided with two sets of respectively control two actuating assembly (40) that open and shut of fine motion (1523), actuating assembly (40) include motor (41), drive shaft (42) and two ends that drive shaft (42) are connected with drive shaft (42) and drive disc (42) are connected with one end that drive shaft (43), the other end of the connecting rod (43) is rotationally connected with the corresponding arc-shaped plate (1523).
2. The detection device for regulating and controlling the particle size distribution of the superfine high-purity spherical silica powder according to claim 1, wherein a stirrer (10) is arranged in the stirring barrel (5), and one side of the stirrer (10) is embedded into the outer wall of the stirring barrel (5) and is in sliding connection with the outer wall of the stirring barrel (5).
3. The detection device for regulating and controlling the particle size distribution of the superfine high-purity spherical silica powder according to claim 1, wherein clamping blocks (30) are arranged at two ends of the inside of the fixed frame (8), a second threaded rod (29) is arranged on two sides of the inside of the clamping blocks (30) in a penetrating mode, and the outer portion of the second threaded rod (29) is in threaded fit with the penetrating position of the clamping blocks (30).
4. The detecting device for regulating and controlling the particle size distribution of superfine high-purity spherical silica powder according to claim 3, wherein one side of the fixed frame (8) is rotatably connected with the upper end inside the bracket (6).
5. The detection device for regulating and controlling the particle size distribution of the superfine high-purity spherical silica powder according to claim 1, wherein a collecting box (4) is arranged at the lower end of the detection box (3), and a blanking port (21) penetrating through the lower end inside the detection box (3) is arranged on one surface of the collecting box (4) facing the detection box (3).
6. The detection device for adjusting and controlling the particle size distribution of the superfine high-purity spherical silica powder according to claim 5, wherein a touch terminal (2) is arranged at the front end of the detection box (3), and a detection system which assists in adjusting and controlling the particle size distribution of the superfine high-purity spherical silica powder and consists of a reset module, a weight extraction module, a calculation module, an adjustment module and a detection module is arranged in the touch terminal (2), wherein: the weight extraction module is used for extracting the weight of the silicon micro powder detected by the position of the electronic scale (7); The calculation module is used for judging the clockwise rotation step number of the progressive motor at one end of the second connecting block (24) and one end of the first connecting block (15) through the calculation of a formula and matching with the data extracted by the weight extraction module; The adjusting module is used for rotationally adjusting the first connecting block (15) and the second connecting pipe (17) according to the data calculated by the calculating module, and giving a progressive motor starting signal to the second hydraulic rod (31), the two first hydraulic rods (26), the second connecting block (24) and the upper ends of the first connecting block (15); the detection module is used for shooting and extracting data of liquid flowing at the position of the second detection frame (19) and particles in the liquid, and carrying out characterization detection on the liquid flowing at the position of the first detection frame (18) and the particles in the liquid through the first detection frame (18); the reset module is used for recovering the first connecting pipe (16) and the first connecting block (15) to a state without adjustment after detection and cleaning of the inside of the device are completed.
7. The detection device for regulating and controlling the particle size distribution of ultrafine high-purity spherical silica powder according to claim 6, wherein the detection device is based on a weight extraction module, a calculation module and an adjustment module, and comprises the following steps of determining a target liquid flow caliber, controlling a stepping motor to rotate, driving the first hydraulic rod (26) to rotate the first connecting block (15) to a first connecting pipe (16) corresponding to the target liquid flow caliber: presetting the liquid circulation apertures of three first connecting pipes (16) to be a first aperture, a second aperture and a third aperture respectively; The weight extraction module performs the steps of: based on the current weight value of the silicon micro powder weighed by the electronic scale (7), the silicon micro powder is put into a stirring barrel (5) to be stirred to form flowing liquid, and the flowing liquid flows through a first connecting pipe (16), a first detection frame (18), a second connecting pipe (17) and a second detection frame (19) from an input pipe (14) and then flows out of an output pipe (20) for a preset flowing time in the whole flowing process; the computing module performs the steps of: calculating the estimated flow velocity of the flowing liquid based on the length of the flowing liquid in the whole flowing process and the preset flowing time; Calculating the flow rate of the flowing liquid based on the current weight value, the density value and the preset flowing time of the silica powder, wherein the calculation formula of the flow rate of the flowing liquid is as follows: Wherein, the Represents the flow rate of the moving liquid, in cubic meters per second, m represents the current weight value of the silica fume, in kilograms, The density value of the silica powder is represented, t represents time and unit seconds; calculating an estimated pipe cross-sectional area value of the first connecting pipe (16) based on the flow rate and the estimated flow velocity of the flowing liquid; Calculating an estimated target diameter value of the first connecting pipe (16) according to the estimated pipeline cross-sectional area value, and selecting a liquid circulation caliber closest to the estimated target diameter value of the first connecting pipe (16) as a target liquid flow caliber; the adjusting module controls the stepping motor to move after obtaining the target liquid flow caliber of the first connecting pipe (16), and drives the first hydraulic rod (26) to rotate to the first connecting block (15) to the first connecting pipe (16) corresponding to the target liquid flow caliber.

Description

Detection device for regulating and controlling particle size distribution of superfine high-purity spherical silica micropowder Technical Field The invention relates to the technical field of laser particle sizers, in particular to a detection device for regulating and controlling the particle size distribution of superfine high-purity spherical silica micropowder. Background The detecting device for regulating and controlling the particle size distribution of superfine high-purity spherical silica micropowder is essentially a laser particle analyzer, which measures the particle size distribution of particles by using a laser scattering principle, irradiates a sample with a laser beam, the light signal scattered by the particles is received by the detector and is processed by the computer to obtain particle size distribution data, and the device is suitable for regulating and controlling the particle size of superfine high-purity spherical silica micropowder, ensures uniform product particle size and meets the high-end application requirements. When the laser particle size analyzer is used for measuring and using wet measurement, a sample is dispersed in a liquid, and the weight of the sample needs to be strictly measured every time the sample is put into the device, the flow speed cannot be adjusted according to the weight of the sample, so that the additional steps of measuring the weight of the sample and adjusting the weight of the sample are needed before the sample is measured and put into the device, and the use and detection efficiency of the device is reduced. Disclosure of Invention The invention aims to provide a detection device for regulating and controlling the particle size distribution of superfine high-purity spherical silica powder, after measuring the weight of a detected object, the connection caliber of the whole flow track can be regulated by the rotation of a first connecting pipe and a second connecting pipe, and the flow speed of liquid and particles is regulated by regulating the caliber so as to adapt to the quantity of input materials, thereby solving the problems in the prior art. The invention provides a detection device for regulating and controlling the particle size distribution of superfine high-purity spherical silica powder, which comprises a base, wherein one side of the upper end of the base is provided with a detection box, the middle position of the detection box is longitudinally and sequentially provided with a first detection frame and a second detection frame, one end of the first detection frame is provided with an input pipe, one end of the second detection frame is provided with an output pipe, three first connecting pipes with sequentially increased liquid flow apertures are arranged between the input pipe and the first detection frame in a surrounding manner, the other end of the first detection frame and the other end of the second detection frame are provided with three second connecting pipes with sequentially increased liquid flow apertures, one side of the front end of the detection box is sequentially provided with a stirring barrel and a support, the upper end of the support is sequentially provided with an electronic scale and a fixed frame, and the corresponding input pipe, the first detection frame and the second detection frame are connected through adjusting the first connecting pipes, the flow speed is adjusted for the silica powder with different weights, and the different detection requirements are adapted. Preferably, the three first connecting pipes are fixedly connected through first connecting blocks, the three second connecting pipes are fixedly connected through second connecting blocks, and the first connecting blocks and the second connecting blocks are connected to facilitate position adjustment of the first connecting pipes and the second connecting pipes. Preferably, the one end of second connecting block and first connecting block all is provided with the progress motor, the inside upper end of detection box is provided with the slip rail, the slip of progress motor outer wall and embedding slip rail are inside, the one end that second connecting block and first connecting block correspond the progress motor is provided with first hydraulic stem, can transversely adjust progress motor and the first connecting pipe and the second connecting pipe that progress motor connected through the flexible of first hydraulic stem. Preferably, one side of the connection position of the input pipe and the first connecting pipe is provided with a second hydraulic rod, two ends of the second hydraulic rod are respectively fixedly connected with the outside of the detection box and the input pipe, the input pipe can be independently pulled through the second hydraulic rod, and the input pipe is prevented from influencing the adjustment of the first connecting pipe. Preferably, the first connecting block comprises a central shaft and three connector