CN-122006378-A - Intelligent spraying dust suppression system based on blanking impact recognition

Abstract

The invention relates to the technical field of spray dust suppression, in particular to an intelligent spray dust suppression system based on blanking impact recognition, which comprises a data acquisition module, a data analysis module, a blanking type analysis module, a diffusion trend analysis module and a spray module, wherein the data analysis module is used for determining whether a blanking type is analyzed based on whether an impact signal exists in a receiving device or not and the duration of the impact signal, the blanking type analysis module is used for analyzing the blanking type based on the impact signal strength and the real-time humidity of the receiving device, the diffusion trend analysis module is used for determining whether the dust generated by blanking has a diffusion trend based on the blanking type and/or the fluctuation degree of operating data of the receiving device in a non-impact area, the spray module is used for determining a spray mode based on the blanking type and/or the dust generated by blanking, and further determining a dust area.

Inventors

• ZHANG PENG
• BAI JING
• Chen Guanlu
• Hua Fengfei
• ZHAO BO
• SUN LIGANG
• CHEN JIA
• ZHAO HAIBIN
• DONG MINGDA
• MAO RUI
• ZHANG XU
• Cui Linna
• ZOU JUNPENG
• HUANG RUI
• HAN YUJING
• ZHANG BO

Assignees

• 天津港远航国际矿石码头有限公司
• 天津港航工程有限公司

Dates

Publication Date

20260512

Application Date

20260409

Claims (10)

1. 1. Intelligent spraying dust suppression system based on blanking impact recognition, which is characterized by comprising: The data acquisition module is used for acquiring impact signal data of the receiving device, real-time environment data of the receiving device and real-time operation data of the receiving device; The data analysis module is connected with the data acquisition module and is used for determining whether to analyze blanking types based on whether the impact signal exists in the material receiving device and the duration of the impact signal; The blanking type analysis module is connected with the data analysis module and used for calculating a blanking type trend value based on the impact signal intensity and the real-time humidity of the receiving device and analyzing the blanking type based on the blanking type trend value; The diffusion trend analysis module is connected with the blanking type analysis module and is used for determining whether dust generated by blanking has diffusion trend or not based on the blanking type and/or the fluctuation degree of the operation data of the non-impact area receiving device; the spraying module is respectively connected with the blanking type analysis module and the diffusion trend analysis module and comprises, A spray pattern determining unit for determining a spray pattern based on a blanking type and/or whether or not there is a diffusion tendency of dust generated by blanking; The dust area determining unit is connected with the spraying mode determining unit and is used for determining a dust area based on the spraying mode by determining the fluctuation degree of the operation data of the non-impact area receiving device combined with the blanking movement track or the blanking impact center point; And the spraying execution unit is respectively connected with the spraying mode determination unit and the dust area determination unit and is used for executing a corresponding spraying mode on the dust area.
2. 2. The intelligent spray dust suppression system based on blanking impact identification according to claim 1, wherein the data analysis module determines whether to analyze a blanking type based on whether an impact signal is present on a receiving device and a duration of the impact signal, wherein, And if the impact signal exists in the material receiving device and the duration of the impact signal is longer than or equal to the preset duration, the data analysis module determines to analyze the blanking type.
3. 3. The intelligent spray dust suppression system based on blanking impact recognition according to claim 2, wherein the blanking type analysis module calculates a blanking type trend value based on a weighted sum of a ratio of impact signal intensity to preset impact signal intensity and a ratio of preset humidity to real-time humidity of the receiving device.
4. 4. The intelligent spray dust suppression system based on blanking impact identification of claim 3, wherein the blanking type analysis module analyzes a blanking type based on the blanking type trend value, wherein, If the blanking type trend value is greater than or equal to the preset blanking type trend value, the blanking type analysis module determines that the blanking type is a strong dust blanking type; and if the blanking type trend value is smaller than the preset blanking type trend value, the blanking type analysis module determines that the blanking type is a weak dust blanking type.
5. 5. The intelligent spray dust suppression system based on blanking impact identification of claim 4, wherein the diffusion trend analysis module determines whether there is a diffusion trend of dust generated by blanking based on the blanking type and/or the fluctuation degree of non-impact area receiving device operation data, wherein, If the blanking type is a strong dust blanking type and the fluctuation degree of the operation data of the non-impact area receiving device is larger than or equal to the preset fluctuation degree, the diffusion trend analysis module determines that the dust generated by blanking has a diffusion trend; And if the blanking type is a weak dust blanking type or the fluctuation degree of the operation data of the receiving device in the non-impact area is smaller than the preset fluctuation degree, the diffusion trend analysis module determines that the dust generated by blanking does not have diffusion trend.
6. 6. The intelligent spray dust suppression system based on blanking impact recognition according to claim 5, wherein the spray pattern determination unit determines a spray pattern based on a blanking type and/or whether or not there is a diffusion tendency of dust generated by blanking, wherein, If the blanking type is a weak dust blanking type or dust generated by blanking does not have diffusion trend, the spraying mode determining unit determines that the spraying mode is a static spraying mode; and if dust generated by blanking tends to spread, the spraying mode determining unit determines that the spraying mode is a dynamic spraying mode.
7. 7. The intelligent spray dust suppression system based on blanking impact recognition according to claim 6, wherein the dust area determination unit determines the dust area based on a spray pattern with a blanking movement trajectory or with a fluctuation degree of operational data of a non-impact area receiving device combined at a blanking impact center point, wherein, If the spraying mode is a static spraying mode, the dust area determining unit determines a dust area according to a blanking movement track; And if the spraying mode is a dynamic spraying mode, the dust area determining unit determines the dust area according to the fluctuation degree of the operation data of the non-impact area receiving device combined at the blanking impact center point.
8. 8. The intelligent spray dust suppression system based on blanking impact recognition according to claim 7, wherein the dust area determination unit determines the dust area with a blanking movement trajectory, wherein, The dust region determining unit is used for determining a preset spraying region which covers the track and extends along the direction of the dominant airflow based on the geometric characteristics of the blanking movement track and combined with the dominant airflow vector in the material receiving device.
9. 9. The intelligent spray dust suppression system based on blanking impact identification according to claim 7, wherein the dust area determination unit determines the dust area with a fluctuation degree of the operation data of the non-impact area receiving device combined at the blanking impact center point, wherein, The dust region determining unit constructs a basic dust suppression region by taking the blanking impact center point as an origin, calculates a turbulence expansion coefficient based on the fluctuation degree of the non-impact region receiving device operation data, and multiplies the radius of the basic dust suppression region by the turbulence expansion coefficient to determine the dust region.
10. 10. The intelligent spraying dust suppression system based on blanking impact recognition according to claim 9, wherein the fluctuation degree of the non-impact area receiving device operation data is determined based on a weighted sum of a standard deviation of vibration signals of a non-impact area, a current fluctuation rate of a driving motor and a negative pressure change rate of a sealing mechanism.

Description

Intelligent spraying dust suppression system based on blanking impact recognition Technical Field The invention relates to the technical field of spray dust suppression, in particular to an intelligent spray dust suppression system based on blanking impact recognition. Background In the field of industrial production, in the transportation and processing process of large amount of materials such as coal, ore, building materials and the like, blanking operation is an extremely critical link and is one of main sources of dust pollution, when the materials fall from conveying equipment (such as a belt conveyor and a bucket elevator) to a receiving device (such as a bin, a crusher and a vibrating screen), severe impact can be generated between the materials and the receiving device, the impact can not only cause crushing and splashing of the material particles, but also disturb surrounding air to form airflow vortex, so that a large amount of dust can escape into an operation environment from the inside of the receiving device, various traditional dust suppression technologies are adopted in the industry in order to solve the dust pollution problem in blanking operation, and enterprises adopt a manual spraying dust suppression mode, namely, spray equipment is manually started to spray dust through manual observation of the blanking operation condition, but the mode has obvious hysteresis and can not trigger spraying stably and reliably. The invention discloses a spray dust-fall cooling device for a construction operation surface of a building engineering, which comprises a dust-fall dust-isolation device and a supporting seat, wherein the dust-fall dust-isolation device comprises two rotary tables, a plurality of steel rings with the same diameter are arranged between the two rotary tables, a row of isolation plates are welded outside the rotary tables and the steel rings at intervals, the isolation plates form an angle of 45-60 degrees with the welding position tangent line of the steel rings, a plurality of reinforcing ribs are welded between the adjacent isolation plates, the rotary tables comprise an outer ring and an inner ring which are concentrically arranged, and the spray dust-fall cooling device for the construction operation surface of the building engineering can seal and isolate blanking, thereby realizing secondary dust-fall sealing, guiding and guiding down fine dust, and carrying out direct suction and high dust-fall suction on low-position primary dust-fall dust. However, the prior art has the following problems: The key characteristics in the blanking operation are difficult to accurately identify, the dust diffusion direction and the spraying range cannot be dynamically matched, and an intelligent spraying dust suppression system capable of comprehensively analyzing material characteristics, equipment running states and dust diffusion trends based on blanking impact identification is needed to solve the problems that the dust diffusion direction is uncontrollable and the dust suppression accuracy is insufficient due to dry blanking rolling. Disclosure of Invention Therefore, the invention provides an intelligent spraying dust suppression system based on blanking impact recognition, which is used for overcoming the defect that key characteristics in blanking operation are difficult to accurately recognize in the prior art, and the dust diffusion direction and the spraying range cannot be dynamically matched, and the intelligent spraying dust suppression system capable of comprehensively analyzing material characteristics, equipment running states and dust diffusion trends based on blanking impact recognition is needed to solve the problems of uncontrollable dust diffusion direction and insufficient dust suppression accuracy caused by dry blanking rolling. In order to achieve the purpose, the invention provides an intelligent spraying dust suppression system based on blanking impact recognition. Comprising the following steps: The data acquisition module is used for acquiring impact signal data of the receiving device, real-time environment data of the receiving device and real-time operation data of the receiving device; The data analysis module is connected with the data acquisition module and is used for determining whether to analyze blanking types based on whether the impact signal exists in the material receiving device and the duration of the impact signal; The blanking type analysis module is connected with the data analysis module and used for calculating a blanking type trend value based on the impact signal intensity and the real-time humidity of the receiving device and analyzing the blanking type based on the blanking type trend value; The diffusion trend analysis module is connected with the blanking type analysis module and is used for determining whether dust generated by blanking has diffusion trend or not based on the blanking type and/or the fluctuation degree of the operatio