Circulating sampling mechanism for testing particle size of powder

Abstract

The utility model relates to the technical field of circulating sample introduction mechanisms, in particular to a circulating sample introduction mechanism for testing the granularity of powder, which discharges powder particles into a feeding mechanism, screens and dries the powder particles through the feeding mechanism, and stirs the powder particles by starting a stirring mechanism, so that the powder particles are uniformly heated, and the granularity of the powder particles is tested. Dried powder particles and suspension are discharged into the circulating mechanism, the powder particles and the suspension in a sample are separated through the screening mechanism, and after discharging is completed, the cleaning mechanism is started to clean the inner wall of the circulating mechanism, so that the practicability of the equipment is improved; comprising a feeding mechanism; the device further comprises a stirring mechanism, a circulating mechanism, a discharging mechanism, a screening mechanism and a cleaning mechanism, the feeding mechanism is installed above the circulating mechanism, the stirring mechanism is installed in the feeding mechanism, the discharging mechanism is located on the right side of the circulating mechanism, the screening mechanism is located on the right side of the discharging mechanism, and the cleaning mechanism is located on the left side of the circulating mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of cyclic sampling mechanisms, in particular to a cyclic sampling mechanism for powder particle size testing. Background Art

[0002] Powder particle size testing is an experimental process that characterizes the particle size characteristics of powders using specific instruments and methods. Powders are widely used in daily life and industrial and agricultural production, such as flour, cement, plastics, papermaking, rubber, ceramics, and pharmaceuticals. The requirements for powder properties vary across different application areas, and particle size distribution is one of the most important indicators in all application areas.

[0003] For example, in a type of prior art represented by the circulating sampling mechanism disclosed in the utility model patent with application number 202322383920.3, its main structure includes a barrel loading mechanism, a discharge port, a gear pump, a coupling, a motor, a maintenance valve and a feed pipe, etc. The circulating sampling of materials is achieved through the coordination of the barrel loading mechanism, the discharge port, the gear pump, the coupling, the motor, the maintenance valve and the feed pipe.

[0004] Before testing the powder particle size, the size and humidity of the powder particles affect the test results of the powder particle size. After the test is completed, some powder particles can be reused after the sample is discharged. Traditional circulating sampling mechanisms are difficult to separate the powder particles in the sample. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a circulating sampling mechanism for powder particle size testing, which discharges powder particles into a feeding mechanism, screens and dries them through the feeding mechanism, stirs the powder particles by starting a stirring mechanism to make them evenly heated, discharges the dried powder particles and suspension into a circulation mechanism respectively, separates the powder particles and suspension in the sample through a screening mechanism, and after discharge, cleans the inner wall of the circulation mechanism by starting a cleaning mechanism, thereby improving the practicality of the equipment.

[0006] The utility model discloses a circulating sampling mechanism for powder particle size testing, comprising a feeding mechanism; a stirring mechanism, a circulation mechanism, a discharging mechanism, a screening mechanism and a cleaning mechanism, wherein the feeding mechanism is arranged above the circulation mechanism, the stirring mechanism is arranged inside the feeding mechanism, the discharging mechanism is located on the right side of the circulation mechanism, the screening mechanism is located on the right side of the discharging mechanism, and the cleaning mechanism is located on the left side of the circulation mechanism; the powder particles are discharged into the feeding mechanism, screened and dried by the feeding mechanism, the powder particles are stirred by starting the stirring mechanism so that they are heated evenly, the dried powder particles and the suspension are respectively discharged into the circulation mechanism, the circulation mechanism is started to circulate and disperse them, and the powder particles are stirred so that they are dispersed evenly, the sample is discharged to a detection location for inspection by starting the discharging mechanism, the remaining sample is discharged into the screening mechanism by starting the discharging mechanism after the inspection is completed, the powder particles and the suspension in the sample are separated by the screening mechanism, and the inner wall of the circulation mechanism is cleaned by starting the cleaning mechanism after the discharge is completed, thereby improving the practicality of the equipment.

[0007] Preferably, the feeding mechanism includes a first sorting screen, a feeding hopper, a drying barrel, a heater and a discharge hopper. The bottom end of the first sorting screen is connected to the top end of the feeding hopper, the output end of the feeding hopper is connected to the input end of the drying barrel, the heater is installed on the outer wall of the drying barrel, and the output end of the drying barrel is connected to the input end of the discharge hopper. The first sorting screen screens the powder particles, and the screened powder particles are discharged into the drying barrel through the feeding hopper. The powder particles in the drying barrel are dried by starting the heater, and the dried powder particles are discharged into the circulation mechanism through the discharge hopper, thereby improving the practicality of the equipment.

[0008] Preferably, the stirring mechanism includes a first motor, a first stirring shaft and a plurality of first stirring blades. The top end of the first stirring shaft is installed on the output end of the first motor, and the first stirring shaft is provided with a plurality of first stirring blades. By starting the first motor to rotate the first stirring shaft, the powder particles in the drying barrel are stirred respectively through the plurality of first stirring blades, thereby improving the practicality of the equipment.

[0009] Preferably, the circulation mechanism includes a first pipeline, a second pipeline, a circulation bin, an ultrasonic disperser, a second motor, a second stirring shaft, and a plurality of second stirring blades. The output end of the first pipeline is connected to the outer wall of the second pipeline, and the output end of the second pipeline is connected to the input end of the circulation bin. Valves are provided on the first pipeline and the second pipeline. The ultrasonic disperser is located at the bottom end of the inner wall of the circulation bin, the second motor is installed at the top of the circulation bin, the top of the second stirring shaft is connected to the output end of the second motor, and a plurality of second stirring blades are provided on the second stirring shaft. The second stirring shaft is located inside the circulation bin; the powder particles are discharged into the circulation bin through the second pipeline, and the suspension is discharged into the circulation bin through the first pipeline. The powder particles are dispersed by starting the ultrasonic disperser, and the second stirring shaft is rotated by starting the second motor. The powder particles and the suspension are stirred respectively through the second stirring blades, so that the powder particles are evenly dispersed, thereby improving the practicality of the equipment.

[0010] Preferably, the discharge mechanism includes a third pipeline, a circulation pump, a tee and a first bracket, the input end of the third pipeline is connected to the output end of the circulation bin, the output end of the third pipeline is connected to the input end of the circulation pump, the input end of the tee is connected to the output end of the circulation pump, two groups of output ends are provided on the tee, and valves are provided on both groups of output ends of the tee, and the bottom end of the circulation pump is installed on the top end of the first bracket; the first bracket supports the circulation pump, and by starting the circulation pump, the sample in the circulation bin is discharged into the tee through the third pipeline, and then discharged into the tester and the screening mechanism respectively through the tee, thereby improving the practicality of the equipment.

[0011] Preferably, the screening mechanism includes a second bracket, a third motor, multiple connecting rods, multiple second sorting screens, a collecting bucket and a fourth pipe. The third motor is installed at the top of the second bracket, the side ends of the multiple connecting rods are respectively installed on the output end of the third motor, and the multiple collecting buckets are respectively installed on the other end of the multiple connecting rods. The collecting bucket is located on the left side of the second bracket, the input end of the fourth pipe is connected to the outer wall of the collecting bucket, and a valve is provided on the fourth pipe; the second bracket supports the third motor, and the multiple connecting rods are rotated by starting the third motor. The multiple connecting rods respectively support the multiple second sorting screens, and the samples are discharged into the collecting bucket through the multiple second sorting screens. The second sorting screen separates the powder particles in the sample, and the collecting bucket collects the sample liquid. The collected liquid is discharged through the fourth pipe, thereby improving the practicality of the equipment.

[0012] Preferably, the cleaning mechanism includes a third bracket, a cleaning pump and a fifth pipe. The cleaning pump is installed at the top of the third bracket, and the input end of the fifth pipe is connected to the output end of the cleaning pump. The third bracket supports the cleaning pump and is connected to the input end of the cleaning pump through the output end of the cleaning liquid. By starting the cleaning pump, the cleaning liquid is discharged into the circulation bin through the fifth pipe, and the inner wall of the circulation bin is cleaned, thereby improving the practicality of the equipment.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the powder particles are discharged into the feeding mechanism, screened and dried by the feeding mechanism, the powder particles are stirred by starting the stirring mechanism to make them evenly heated, the dried powder particles and the suspension are respectively discharged into the circulation mechanism, the circulation mechanism is started to circulate and disperse them, and they are stirred to make them evenly dispersed, the sample is discharged to the detection site for inspection by starting the discharge mechanism, and after the inspection is completed, the remaining sample is discharged into the screening mechanism by starting the discharge mechanism, and the powder particles and suspension in the sample are separated by the screening mechanism. After the discharge is completed, the inner wall of the circulation mechanism is cleaned by starting the cleaning mechanism, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axonometric diagram of the present utility model;

[0015] Figure 2 This is an axonometric diagram of the feeding mechanism of the present utility model;

[0016] Figure 3 This is an axonometric diagram of the stirring mechanism of the present invention;

[0017] Figure 4 This is a front cross-sectional view of the circulation mechanism of the utility model;

[0018] Figure 5 This is an axonometric diagram of the discharge mechanism of the present utility model;

[0019] Figure 6 This is an axonometric diagram of the screening mechanism of the present utility model;

[0020] Figure 7 It is an axonometric schematic diagram of the cleaning mechanism of the present utility model.

[0021] Markings in the accompanying drawings: 01, feeding mechanism; 11, first sorting screen; 12, feeding hopper; 13, drying barrel; 14, heater; 15, discharge hopper; 02, stirring mechanism; 21, first motor; 22, first stirring shaft; 23, first stirring blade; 03, circulation mechanism; 31, first pipeline; 32, second pipeline; 33, circulation bin; 34, ultrasonic disperser; 35, second motor; 36, second stirring shaft; 37, second stirring blade; 04, discharge mechanism; 41, third pipeline; 42, circulation pump; 43, tee; 44, first bracket; 05, screening mechanism; 51, second bracket; 52, third motor; 53, connecting rod; 54, second sorting screen; 55, collecting barrel; 56, fourth pipeline; 06, cleaning mechanism; 61, third bracket; 62, cleaning pump; 63, fifth pipeline. DETAILED DESCRIPTION

[0022] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0023] Example 1

[0024] like Figure 1 As shown, a circulating sampling mechanism for powder particle size testing includes a feeding mechanism 01; further includes a stirring mechanism 02, a circulation mechanism 03, a discharge mechanism 04, a screening mechanism 05 and a cleaning mechanism 06, wherein the feeding mechanism 01 is installed above the circulation mechanism 03, the stirring mechanism 02 is installed inside the feeding mechanism 01, the discharge mechanism 04 is located on the right side of the circulation mechanism 03, the screening mechanism 05 is located on the right side of the discharge mechanism 04, and the cleaning mechanism 06 is located on the left side of the circulation mechanism 03;

[0025] The powder particles are discharged into the feeding mechanism 01, screened and dried by the feeding mechanism 01, and stirred by starting the stirring mechanism 02 to make them evenly heated. The dried powder particles and the suspension are respectively discharged into the circulation mechanism 03, and circulated and dispersed by starting the circulation mechanism 03, and stirred to make them evenly dispersed. The sample is discharged to the detection site for inspection by starting the discharge mechanism 04. After the inspection is completed, the remaining sample is discharged into the screening mechanism 05 by starting the discharge mechanism 04. The powder particles and the suspension in the sample are separated by the screening mechanism 05. After discharge is completed, the inner wall of the circulation mechanism 03 is cleaned by starting the cleaning mechanism 06 to improve the practicality of the equipment.

[0026] like Figure 2 As shown, the feeding mechanism 01 includes a first sorting screen 11, a feeding hopper 12, a drying barrel 13, a heater 14 and a discharge hopper 15. The bottom end of the first sorting screen 11 is connected to the top end of the feeding hopper 12, the output end of the feeding hopper 12 is connected to the input end of the drying barrel 13, the heater 14 is installed on the outer wall of the drying barrel 13, and the output end of the drying barrel 13 is connected to the input end of the discharge hopper 15.

[0027] like Figure 3 As shown, the stirring mechanism 02 includes a first motor 21, a first stirring shaft 22 and a plurality of first stirring blades 23. The top end of the first stirring shaft 22 is mounted on the output end of the first motor 21, and the first stirring shaft 22 is provided with a plurality of first stirring blades 23.

[0028] like Figure 4As shown, the circulation mechanism 03 includes a first pipe 31, a second pipe 32, a circulation bin 33, an ultrasonic disperser 34, a second motor 35, a second stirring shaft 36, and a plurality of second stirring blades 37. The output end of the first pipe 31 is connected to the outer wall of the second pipe 32, and the output end of the second pipe 32 is connected to the input end of the circulation bin 33. Valves are provided on the first pipe 31 and the second pipe 32. The ultrasonic disperser 34 is located at the bottom end of the inner wall of the circulation bin 33. The second motor 35 is installed at the top of the circulation bin 33. The top of the second stirring shaft 36 is connected to the output end of the second motor 35. The second stirring shaft 36 is provided with a plurality of second stirring blades 37. The second stirring shaft 36 is located inside the circulation bin 33.

[0029] like Figure 5 As shown, the discharge mechanism 04 includes a third pipe 41, a circulation pump 42, a tee pipe 43 and a first bracket 44. The input end of the third pipe 41 is connected to the output end of the circulation chamber 33, the output end of the third pipe 41 is connected to the input end of the circulation pump 42, the input end of the tee pipe 43 is connected to the output end of the circulation pump 42, the tee pipe 43 is provided with two sets of output ends, and both sets of output ends of the tee pipe 43 are provided with valves. The bottom end of the circulation pump 42 is installed on the top end of the first bracket 44;

[0030] The first sorting screen 11 screens the powder particles, and the screened powder particles are discharged into the drying barrel 13 through the feed hopper 12. The powder particles in the drying barrel 13 are dried by starting the heater 14. The dried powder particles are discharged into the circulation mechanism 03 through the discharge hopper 15. The first stirring shaft 22 is rotated by starting the first motor 21, and the powder particles in the drying barrel 13 are stirred by multiple first stirring blades 23. The powder particles are discharged into the circulation bin 33 through the second pipe 32, and the suspension is discharged into the circulation bin 33 through the first pipe 31. In the circulation bin 33, the powder particles are dispersed by starting the ultrasonic disperser 34, and the second stirring shaft 36 is rotated by starting the second motor 35. The powder particles and the suspension are stirred respectively by the second stirring blades 37 so that the powder particles are evenly dispersed. The first bracket 44 supports the circulation pump 42. By starting the circulation pump 42, the sample in the circulation bin 33 is discharged into the tee pipe 43 through the third pipe 41, and then discharged into the tester and the screening mechanism 05 respectively through the tee pipe 43, thereby improving the practicality of the equipment.

[0031] Example 2

[0032] like Figure 6As shown, on the basis of Example 1, a screening mechanism 05 is further included, which includes a second bracket 51, a third motor 52, a plurality of connecting rods 53, a plurality of second sorting screens 54, a collecting bucket 55 and a fourth pipe 56. The third motor 52 is mounted on the top of the second bracket 51, and the side ends of the plurality of connecting rods 53 are respectively mounted on the output end of the third motor 52. The plurality of collecting buckets 55 are respectively mounted on the other ends of the plurality of connecting rods 53. The collecting bucket 55 is located on the left side of the second bracket 51. The input end of the fourth pipe 56 is connected to the outer wall of the collecting bucket 55. The fourth pipe 56 is provided with a valve.

[0033] The second bracket 51 supports the third motor 52. By starting the third motor 52, the multiple connecting rods 53 are rotated respectively. The multiple connecting rods 53 respectively support the multiple second sorting screens 54. The samples are discharged into the collection bucket 55 through the multiple second sorting screens 54. The second sorting screens 54 separate the powder particles in the sample. The collection bucket 55 collects the sample liquid, and the collected liquid is discharged through the fourth pipe 56, thereby improving the practicality of the equipment.

[0034] Example 3

[0035] like Figure 7 As shown, on the basis of Example 1, a cleaning mechanism 06 is further included. The cleaning mechanism 06 includes a third bracket 61, a cleaning pump 62 and a fifth pipe 63. The cleaning pump 62 is installed on the top of the third bracket 61, and the input end of the fifth pipe 63 is connected to the output end of the cleaning pump 62;

[0036] The third bracket 61 supports the cleaning pump 62, and is connected to the input end of the cleaning pump 62 through the output end of the cleaning liquid. By starting the cleaning pump 62, the cleaning liquid is discharged to the circulation bin 33 through the fifth pipe 63, and the inner wall of the circulation bin 33 is cleaned, thereby improving the practicality of the equipment.

[0037] like Figures 1 to 7As shown, the utility model is a circulating sampling mechanism for powder particle size testing. When it is working, the first sorting screen 11 first screens the powder particles, and the screened powder particles are discharged into the drying barrel 13 through the feed hopper 12. The powder particles in the drying barrel 13 are dried by starting the heater 14, and the dried powder particles are discharged into the circulation mechanism 03 through the discharge hopper 15. Then, the first motor 21 is started to rotate the first stirring shaft 22, and the powder particles in the drying barrel 13 are stirred respectively through multiple first stirring blades 23. After that, the powder particles are discharged into the circulation bin 33 through the second pipe 32, and the suspension is discharged into the circulation bin 33 through the first pipe 31. The powder particles are dispersed by starting the ultrasonic disperser 34, and the second motor 35 is started to rotate the second stirring shaft 36, and the powder particles and the suspension are stirred respectively through the second stirring blades 37 to make the powder particles dispersed evenly. Then, the first bracket 44 is used to rotate the circulating The pump 42 is supported, and by starting the circulation pump 42, the sample in the circulation bin 33 is discharged into the tee pipe 43 through the third pipe 41, and then discharged into the tester and the screening mechanism 05 through the tee pipe 43. Then the second bracket 51 supports the third motor 52, and by starting the third motor 52, multiple connecting rods 53 are rotated respectively. The multiple connecting rods 53 support multiple second sorting screens 54 respectively. The samples are discharged into the collecting bucket 55 through multiple second sorting screens 54. The second sorting screen 54 separates the powder particles in the sample, and the collecting bucket 55 collects the sample liquid. The collected liquid is discharged through the fourth pipe 56. Finally, the third bracket 61 supports the cleaning pump 62, and the output end of the cleaning liquid is connected to the input end of the cleaning pump 62. By starting the cleaning pump 62, the cleaning liquid is discharged to the circulation bin 33 through the fifth pipe 63, and the inner wall of the circulation bin 33 is cleaned to improve the practicality of the equipment.

[0038] The heater 14, the first motor 21, the ultrasonic disperser 34, the second motor 35, the circulation pump 42, the third motor 52 and the cleaning pump 62 of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manuals, without the need for technical personnel in this field to make creative efforts.

[0039] The main functions achieved by the present invention are: discharging powder particles into the feeding mechanism 01, screening and drying them through the feeding mechanism 01, stirring the powder particles by starting the stirring mechanism 02 to make them evenly heated, discharging the dried powder particles and the suspension into the circulation mechanism 03 respectively, separating the powder particles and the suspension in the sample through the screening mechanism 05, and after the discharge is completed, cleaning the inner wall of the circulation mechanism 03 by starting the cleaning mechanism 06 to improve the practicality of the equipment.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A circulating sampling mechanism for powder particle size testing, comprising a feeding mechanism (01); characterized in that: The invention also includes a stirring mechanism (02), a circulation mechanism (03), a discharge mechanism (04), a screening mechanism (05) and a cleaning mechanism (06), wherein the feeding mechanism (01) is installed above the circulation mechanism (03), the stirring mechanism (02) is installed inside the feeding mechanism (01), the discharge mechanism (04) is located on the right side of the circulation mechanism (03), the screening mechanism (05) is located on the right side of the discharge mechanism (04), and the cleaning mechanism (06) is located on the left side of the circulation mechanism (03).

2. A circulating sampling mechanism for powder particle size testing according to claim 1, characterized in that: The feeding mechanism (01) includes a first sorting screen (11), a feeding hopper (12), a drying barrel (13), a heater (14) and a discharge hopper (15), wherein the bottom end of the first sorting screen (11) is connected to the top end of the feeding hopper (12), the output end of the feeding hopper (12) is connected to the input end of the drying barrel (13), the heater (14) is installed on the outer wall of the drying barrel (13), and the output end of the drying barrel (13) is connected to the input end of the discharge hopper (15).

3. A circulating sampling mechanism for powder particle size testing according to claim 1, characterized in that: The stirring mechanism (02) comprises a first motor (21), a first stirring shaft (22) and a plurality of first stirring blades (23). The top end of the first stirring shaft (22) is mounted on the output end of the first motor (21). The first stirring shaft (22) is provided with a plurality of first stirring blades (23).

4. A circulating sampling mechanism for powder particle size testing according to claim 1, characterized in that: The circulation mechanism (03) includes a first pipe (31), a second pipe (32), a circulation chamber (33), an ultrasonic disperser (34), a second motor (35), a second stirring shaft (36), and a plurality of second stirring blades (37). The output end of the first pipe (31) is connected to the outer wall of the second pipe (32), and the output end of the second pipe (32) is connected to the input end of the circulation chamber (33). Valves are provided on both the first pipe (31) and the second pipe (32). The ultrasonic disperser (34) is located at the bottom end of the inner wall of the circulation chamber (33). The second motor (35) is installed at the top end of the circulation chamber (33). The top end of the second stirring shaft (36) is connected to the output end of the second motor (35). The second stirring shaft (36) is provided with a plurality of second stirring blades (37). The second stirring shaft (36) is located inside the circulation chamber (33).

5. A circulating sampling mechanism for powder particle size testing according to claim 4, characterized in that: The discharge mechanism (04) includes a third pipe (41), a circulation pump (42), a three-way pipe (43) and a first bracket (44). The input end of the third pipe (41) is connected to the output end of the circulation chamber (33), the output end of the third pipe (41) is connected to the input end of the circulation pump (42), the input end of the three-way pipe (43) is connected to the output end of the circulation pump (42), two groups of output ends are provided on the three-way pipe (43), and valves are provided on both groups of output ends of the three-way pipe (43). The bottom end of the circulation pump (42) is installed on the top end of the first bracket (44).

6. A circulating sampling mechanism for powder particle size testing according to claim 1, characterized in that: The screening mechanism (05) includes a second bracket (51), a third motor (52), a plurality of connecting rods (53), a plurality of second sorting screens (54), a collecting bucket (55) and a fourth pipe (56). The third motor (52) is mounted on the top of the second bracket (51). The side ends of the plurality of connecting rods (53) are respectively mounted on the output end of the third motor (52). The plurality of collecting buckets (55) are respectively mounted on the other ends of the plurality of connecting rods (53). The collecting bucket (55) is located on the left side of the second bracket (51). The input end of the fourth pipe (56) is connected to the outer wall of the collecting bucket (55). A valve is provided on the fourth pipe (56).

7. A circulating sampling mechanism for powder particle size testing according to claim 1, characterized in that: The cleaning mechanism (06) comprises a third bracket (61), a cleaning pump (62) and a fifth pipe (63). The cleaning pump (62) is mounted on the top of the third bracket (61). The input end of the fifth pipe (63) is connected to the output end of the cleaning pump (62).

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