Intelligent double-drive grading device for inorganic powder processing

Abstract

An intelligent dual-drive classification device for inorganic powder processing includes a feed inlet (1), a fan (2), an air inlet (3), a third hopper (4), a third discharge outlet (5), a second screen (6), a second classification wheel motor (7), a second classification wheel (8), a second sensor (9), a second hopper (10), a second discharge outlet (11), a second collector (12), a first classification wheel motor (13), a first classification wheel (14), a first screen (15), a first sensor (16), a first discharge outlet (17), a first collector (18), and an intelligent dual-drive control system (19). This invention improves the classification efficiency of inorganic powders by employing an intelligent dual-drive control system. The device also boasts high classification accuracy: effectively reducing particle agglomeration, resulting in a more concentrated particle size distribution and higher classification accuracy, meeting the stringent requirements for powder particle size in high-end applications.

Description

Technical Field

[0001] This utility model relates to an intelligent dual-drive grading device for inorganic powder processing, belonging to the field of inorganic powder grading technology. Background Technology

[0002] In mineral processing, after the mined ore is crushed, the precise classification of the powder particles is a key step in ensuring product quality. Classification can separate qualified fine particles in a timely manner, avoiding over-grinding and reducing energy consumption and equipment wear.

[0003] Traditional classification devices often suffer from low classification efficiency and poor accuracy. For example, some single-drive classification devices lack sufficient power to meet the needs of large-scale production, and uneven particle mixing is prone to occur during the classification process, resulting in a wide particle size distribution of the classified powder product, which cannot meet the stringent particle size requirements of high-end applications. In addition, traditional devices lack intelligent control, making it difficult to flexibly adjust according to different production needs and raw material characteristics, increasing manual operation costs and production errors. Summary of the Invention

[0004] The purpose of this invention is to solve the above-mentioned problems of traditional grading devices and to propose an intelligent dual-drive grading device for inorganic powder processing.

[0005] The technical solution of this utility model is as follows: an intelligent dual-drive grading device for inorganic powder processing, comprising a grading cylinder, a grading wheel, a grading wheel motor, a sensor, a screen, a collector, a fan, and an intelligent dual-drive control system.

[0006] The grading cylinder is a vertical cylindrical structure. A first screen is installed horizontally at the top and a second screen at the bottom of the cylinder. A second grading wheel is installed horizontally between the first and second screens, and is driven by a second grading wheel motor. A second hopper is located below the second grading wheel, and is connected to a second collector outside the grading cylinder via a second discharge port. A third hopper is located below the second screen, and its discharge port extends outside the grading cylinder. An inlet is located on the wall of the grading cylinder below the first screen. The bottom of the grading cylinder is an inverted cone shape, with the bottom of the cone serving as an air inlet connected to a blower. A second grading wheel is horizontally mounted on the top of the grading cylinder, and the second grading wheel is connected to a first collector via a pipe and a first discharge port. The second grading wheel is driven by a second grading wheel motor. A first sensor is installed on the upper inner wall of the grading cylinder, and a second sensor is installed on the inner wall of the grading cylinder at the same height as the second grading wheel. The first and second sensors are respectively connected to an intelligent dual-drive control system outside the grading cylinder, and the control terminal of the second grading wheel motor is also connected to the intelligent dual-drive control system.

[0007] The aperture of the second screen is larger than that of the first screen; both the first and second screens are replaceable.

[0008] The first and second sensors are used to monitor the concentration and particle size distribution parameters of powder particles inside the cylinder in real time, and send the measured parameter signals to the intelligent dual-drive control system in real time.

[0009] The intelligent dual-drive control system includes a controller, a receiving unit, an output unit, and a storage unit. The storage unit contains a pre-programmed hierarchical control program. After receiving the signal, the intelligent dual-drive control system automatically adjusts the speed of the second stage wheel motor and the rotation speed of the stage wheel impeller according to the current real-time situation, thereby realizing intelligent control of the staged process.

[0010] The beneficial effects of this utility model are that it adopts an intelligent dual-drive control system to improve the classification efficiency of inorganic powders. Compared with the traditional single-drive classification device, the production efficiency can be improved. The classification accuracy of this utility model is high: it effectively reduces particle agglomeration, makes the particle size distribution of the classified powder more concentrated, and the classification accuracy is higher, which can meet the strict requirements of high-end fields for powder particle size.

[0011] This invention enables intelligent control, allowing for real-time monitoring and automatic adjustment of the grading process. Operators only need to set the relevant parameters on the control system, and the device can operate automatically according to the characteristics of the raw materials and production needs, reducing manual intervention, lowering operating costs, and improving the stability of the production process and the consistency of product quality. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the intelligent dual-drive grading device for inorganic powder processing of this utility model;

[0013] In the diagram, 1 is the feed inlet; 2 is the blower; 3 is the air inlet; 4 is the third hopper; 5 is the third discharge outlet; 6 is the second screen; 7 is the second classifier motor; 8 is the second classifier; 9 is the second sensor; 10 is the second hopper; 11 is the second discharge outlet; 12 is the second collector; 13 is the first classifier motor; 14 is the first classifier; 15 is the first screen; 16 is the first sensor; 17 is the first discharge outlet; 18 is the first collector; and 19 is the intelligent dual-drive control system. Detailed Implementation

[0014] The specific embodiments of this utility model are as follows: Figure 1 As shown.

[0015] This embodiment discloses an intelligent dual-drive grading device for inorganic powder processing, comprising a feed inlet 1, a fan 2, an air inlet 3, a third hopper 4, a third discharge outlet 5, a second screen 6, a second grading wheel motor 7, a second grading wheel 8, a second sensor 9, a second hopper 10, a second discharge outlet 11, a second collector 12, a first grading wheel motor 13, a first grading wheel 14, a first screen 15, a first sensor 16, a first discharge outlet 17, a first collector 18, and an intelligent dual-drive control system 19.

[0016] After the ground powder enters the cylinder through the feed inlet 1, it flows from bottom to top using the air force of the blower 2. The coarse particles of the powder are intercepted by the second screen 6. Due to gravity, the coarse particles will fall into the third hopper 4 for collection and be discharged through the third discharge outlet 5 for further grinding.

[0017] The second screen 6 and the first screen 15 have different apertures and can be replaced as needed. The aperture of the second screen 6 is larger than that of the first screen 15. The fine powder passing through the second screen 6 continues to be conveyed upward by the wind. The second classifying wheel motor 7 drives the second classifying wheel 8 to rotate at high speed to classify the powder. The second sensor 9 monitors parameters such as the concentration and particle size distribution of the powder particles in the cylinder in real time. After receiving the signal, the intelligent dual-drive control system 19 automatically adjusts the speed of the second classifying wheel motor 7 and the rotation speed of the second classifying wheel according to the current situation, realizing intelligent control of the classification process.

[0018] The principle behind the first and second sensors is that when powder particles dispersed in a liquid or gas are irradiated by a laser, light diffraction and scattering occur. Smaller particles produce a larger scattering angle, while larger particles produce a smaller scattering angle. The sensor's optical system collects the scattered light and converts it into electrical signals. By analyzing these signals, information related to particle size can be obtained, allowing for the calculation of the powder's particle size distribution. This method offers high automation, a large dynamic range, fast measurement speed, ease of operation, and good repeatability.

[0019] The qualified powder separated by the second classifier wheel 8 is collected through the second hopper 10 and enters the second collector 12 through the second outlet 11 for subsequent packaging. Similarly, after the ultrafine powder passes through the first screen 15, the first classifier wheel 14 is driven by the first classifier wheel motor 13 to classify and collect the powder, and then enters the first collector 18 through the first outlet 17 for the next packaging step.

[0020] A first sensor 16 is also installed on the upper part of the first screen 15 to detect parameters such as the particle size of the powder.

Claims

1. An intelligent dual-drive grading device for inorganic powder processing, comprising a grading cylinder, a grading wheel, a grading wheel motor, a sensor, a screen, a collector, and a fan, characterized in that, It also includes an intelligent dual-drive control system; the grading cylinder is a vertical cylindrical structure, with a layer of screens horizontally arranged at the upper and lower parts of the grading cylinder, the upper one being a first screen and the lower one a second screen; a second grading wheel is arranged horizontally between the first and second screens, and the second grading wheel is driven by a second grading wheel motor; a second hopper is arranged below the second grading wheel, and the second hopper is connected to a second collector outside the grading cylinder through a second discharge port; a third hopper is arranged below the second screen, and the third discharge port extends outside the grading cylinder; the grading cylinder wall below the first screen... The grading cylinder is equipped with a feed inlet; the bottom of the grading cylinder is an inverted cone shape, with the bottom of the cone serving as an air inlet connected to a blower; a second grading wheel is horizontally installed at the top of the grading cylinder, and the second grading wheel is connected to a first collector via a pipe and a first discharge port, and is driven by a second grading wheel motor; a first sensor is installed on the upper inner wall of the grading cylinder, and a second sensor is installed on the inner wall of the grading cylinder at the same height as the second grading wheel, and the first and second sensors are respectively connected to an intelligent dual-drive control system outside the grading cylinder, and the control terminal of the second grading wheel motor is also connected to the intelligent dual-drive control system.

2. The intelligent dual-drive classification device for inorganic powder processing according to claim 1, characterized in that, The aperture of the second screen is larger than that of the first screen; both the first and second screens are replaceable.

3. The intelligent dual-drive classification device for inorganic powder processing according to claim 1, characterized in that, The first and second sensors are used to monitor the concentration and particle size distribution parameters of powder particles inside the cylinder in real time, and send the measured parameter signals to the intelligent dual-drive control system in real time.

4. The intelligent dual-drive classification device for inorganic powder processing according to claim 1, characterized in that, The intelligent dual-drive control system includes a controller, a receiving unit, an output unit, and a storage unit. After receiving the signal, the intelligent dual-drive control system automatically adjusts the speed of the second classifier motor and the rotation speed of the classifier impeller according to the real-time situation, thereby realizing intelligent control of the classification process.

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