Floating dust concentration distribution field three-dimensional imaging method based on digital twinning
Through digital twin technology and CFD theory, combined with sensor data, three-dimensional three-dimensional imaging of aluminum-magnesium dust concentration and temperature in dust removal system is achieved, solving the problem of insufficient monitoring accuracy in the existing technology, and improving safety and monitoring effect.
Patent Information
- Application Number
- CN202411415655.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-01-10
AI Technical Summary
The existing dust removal system has insufficient accuracy when monitoring the concentration and temperature distribution of floating aluminum-magnesium dust, making it difficult to achieve comprehensive perception and monitoring, making it difficult to prevent and control explosion hazards.
Using a three-dimensional stereo imaging method based on digital twins, a three-dimensional model of the dust removal system is established, combined with CFD theory and sensor data, the wind flow, dust and temperature field are numerically simulated, and aluminium-magnesium dust is realized by using Lagrangian interpolation method and dynamic visualization method. Three-dimensional stereo imaging of concentration and temperature.
The online accurate monitoring of the dust concentration and temperature of the floating aluminum-magnesium magnesium in the dust removal system and three-dimensional stereo imaging are realized, which improves the monitoring accuracy and reduces the risk of explosion.
Smart Images
Figure CN119295668A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of dust monitoring and relates to a three-dimensional imaging method of a suspended dust concentration distribution field based on digital twins. Background Art
[0002] Aluminum, magnesium and their alloys (hereinafter referred to as aluminum-magnesium) need to be equipped with dust removal systems during production and processing. Dust in the dust removal system reaches certain conditions and there is a risk of explosion. Once an explosion occurs, it will cause serious casualties and major property losses. However, the existing monitoring and prevention and control have the problem of inaccurate monitoring of high-concentration floating aluminum-magnesium dust and the inability to ubiquitously perceive dust concentration and temperature distribution. Summary of the invention
[0003] In view of this, the purpose of the present invention is to provide a three-dimensional stereo imaging method of suspended dust concentration distribution field based on digital twin, and a three-dimensional stereo imaging technology of aluminum-magnesium dust concentration field and temperature field based on digital twin, so as to realize simultaneous online precise monitoring and three-dimensional stereo imaging of suspended aluminum-magnesium dust concentration and temperature in the dust removal system.
[0004] In order to achieve the above object, the present invention provides the following technical solutions:
[0005] A three-dimensional imaging method of suspended dust concentration distribution field based on digital twins specifically includes the following steps:
[0006] S1: According to the physical parameters of the dust removal system, a three-dimensional model of the dust removal system is established and the grid is divided;
[0007] S2: numerical simulation of air flow, dust and temperature field in the dust removal system;
[0008] S3: Three-dimensional imaging of suspended aluminum and magnesium dust in the dust removal system.
[0009] Further, step S2 specifically includes: based on CFD (Computational Fluid Dynamics) theory, boundary conditions are set in combination with the on-site working conditions of the dust removal system, and the wind flow field, temperature field and dust concentration field of the suspended aluminum-magnesium dust in the dust removal system are numerically simulated, and corrected by sensor measured data.
[0010] Further, in step S2, the sensor measured data includes the real-time temperature of multi-point temperature, wind speed and dust concentration monitoring equipment in the dust removal system.
[0011] Furthermore, step S3 specifically includes: based on the digital twin, integrating the measured data of the suspended aluminum-magnesium dust concentration, temperature and wind speed at each monitoring point in the air duct at the same time, and using the Lagrange interpolation method and dynamic visualization method to quickly refresh the stereo image to achieve three-dimensional stereo imaging of aluminum-magnesium dust concentration and temperature.
[0012] The beneficial effects of the present invention are as follows: the present invention is based on the three-dimensional stereoscopic imaging technology of the aluminum-magnesium dust concentration field and temperature field of the digital twin, which realizes the simultaneous online precise monitoring and three-dimensional stereoscopic imaging of the concentration and temperature of suspended aluminum-magnesium dust in the dust removal system.
[0013] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in detail below in conjunction with the accompanying drawings, wherein:
[0015] Figure 1 This is a schematic diagram of the principle of three-dimensional imaging of suspended dust in the dust removal system of the present invention. DETAILED DESCRIPTION
[0016] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.
[0017] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on the present invention. In order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of actual products. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.
[0018] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "rear", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.
[0019] See also Figure 1 The present invention provides a three-dimensional imaging method of the concentration distribution field of suspended aluminum-magnesium dust based on digital twin, which specifically includes the following steps:
[0020] S1: 3D modeling of dust removal system.
[0021] According to the physical parameters of the dust removal system, a three-dimensional model of the dust removal system is established and the grid is divided.
[0022] S2: Numerical simulation of air flow, dust and temperature field in the dust removal system.
[0023] Based on CFD (computational fluid dynamics) theory, the boundary conditions are set in combination with the on-site working conditions of the dust removal system, and the wind flow field, temperature field and dust concentration field of the suspended aluminum and magnesium dust in the dust removal system are numerically simulated, and the data measured by the sensor is corrected.
[0024] S3: Three-dimensional imaging of suspended aluminum and magnesium dust in the dust removal system.
[0025] Based on digital twins, the measured data of floating aluminum-magnesium dust concentration, temperature, and wind speed at each monitoring point in the air duct at the same time are integrated, and the Lagrange interpolation method and dynamic visualization method are used to quickly refresh the stereo image to achieve three-dimensional stereo imaging of aluminum-magnesium dust concentration and temperature. Figure 1 shown.
[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution, which should be included in the scope of the claims of the present invention.
Claims
1. A three-dimensional imaging method of suspended dust concentration distribution field based on digital twin, characterized in that: The method specifically comprises the following steps: S1: According to the physical parameters of the dust removal system, a three-dimensional model of the dust removal system is established and the grid is divided; S2: numerical simulation of air flow, dust and temperature field in the dust removal system; S3: Three-dimensional imaging of suspended aluminum and magnesium dust in the dust removal system.
2. The three-dimensional imaging method of suspended dust concentration distribution field according to claim 1 is characterized in that: Step S2 specifically includes: based on CFD theory, boundary conditions are set in combination with the on-site working conditions of the dust removal system, the wind flow field, temperature field and dust concentration field of the suspended aluminum-magnesium dust in the dust removal system are numerically simulated, and the data measured by the sensor are corrected; wherein CFD stands for computational fluid dynamics.
3. The three-dimensional imaging method of suspended dust concentration distribution field according to claim 2 is characterized in that: In step S2, the sensor measured data includes the real-time temperature of multiple points in the dust removal system, wind speed and dust concentration monitoring equipment.
4. The three-dimensional imaging method of suspended dust concentration distribution field according to claim 1, characterized in that: Step S3 specifically includes: based on the digital twin, integrating the measured data of the concentration, temperature and wind speed of suspended aluminum-magnesium dust at each monitoring point in the air duct at the same time, and using the Lagrange interpolation method and dynamic visualization method to quickly refresh the stereo image to achieve three-dimensional stereo imaging of aluminum-magnesium dust concentration and temperature.