CN-116927857-B - Mining site mining operation dust suppression method and system

Abstract

The invention relates to the technical field of mining field exploitation, in particular to a method and a system for suppressing dust in mining field exploitation and loading operation, wherein the method comprises the following steps of simulating dust dissipation conditions in the mining field exploitation and loading operation stage; the method comprises the steps of matching a dust suppression scheme according to the dust dissipation condition of the mining site mining operation stage, testing and evaluating the dust suppression scheme to obtain an evaluation result, and adjusting and optimizing the dust suppression scheme according to the evaluation result to obtain an optimal dust suppression scheme. The invention provides a mining and loading operation dust suppression method for a mining site, which is matched with a proper dust suppression scheme according to the generation principle and the dissipation condition of the mining site dust, and tests, evaluates and adjusts the technological measures of the dust suppression scheme to obtain an optimal dust suppression scheme, ensure the dust prevention effect of the mining site, ensure the safety of mechanical equipment and staff, and improve the economic benefit of the mining site.

Inventors

• FAN JUNFU
• WANG XIULAN

Assignees

• 内蒙古工业大学

Dates

Publication Date

20260505

Application Date

20230809

Claims (6)

1. 1. The mining site mining operation dust suppression method is characterized by comprising the following steps of: Simulating dust dissipation conditions in the mining and loading operation stage of the mining site; Matching a dust suppression scheme according to dust dissipation conditions in the mining and loading operation stage of the mining site; testing and evaluating the dust suppression scheme and obtaining an evaluation result; adjusting and optimizing the dust suppression scheme according to the evaluation result to obtain an optimal dust suppression scheme; The simulation of dust dissipation conditions in the mining and loading operation stage of the mining site comprises the following steps: Acquiring actual data of a mining operation stage of a mining field; determining influencing factors of dust dissipation according to the actual data, wherein the influencing factors comprise wind speed of a mine, parameters of dust and humidity of air; according to the actual data, evaluating the wind speed of the mine, the parameters of the dust and the effect of the humidity of the air on dust dissipation; Simulating dust dissipation conditions in a mining operation stage of a mining site through the influence factors, the action effects and the actual data; The matching dust suppression scheme according to the dust dissipation condition of the mining and loading operation stage of the mining site comprises the following steps: Setting dust-proof time according to dust dissipation conditions in the mining and loading operation stage of the mining site; setting dust-proof water demand according to dust dissipation conditions in the mining and loading operation stage of the mining site; setting the position of dustproof equipment according to the dust dissipation condition of the mining and loading operation stage of the mining site; the testing and evaluating the dust suppression scheme and obtaining an evaluation result comprises the following steps: setting a liquid penetration function; obtaining an evaluation result of the dust prevention time through the liquid permeation function; The setting the fluid penetration function includes: Setting the fluid penetration function based on the dust prevention time; the fluid penetration function satisfies the following formula: , Wherein, the Represents the permeability coefficient of the dust suppressant, Indicating the impact weight of the dust suppressant permeability coefficient, Indicating the depth of dust-proof prewetting of the mine, Indicating the time of dust-proof prewetting of the mine, Indicating the radius of the dust-free area of the mine, Indicating the spray radius of the dust-proof device; The smaller the permeability coefficient is, the poorer the permeability of the dust inhibitor is, the dust inhibition effect is correspondingly poorer, and the spraying time of the inhibitor is planned according to the permeability coefficient of the dust inhibitor, so that the dust inhibition effect is realized.
2. 2. The mining operations dust suppression method of claim 1, wherein the testing and evaluating the dust suppression scheme and obtaining an evaluation result includes: Setting a dust-proof agent utilization rate function; and obtaining an evaluation result of the dustproof water demand through the dustproof agent utilization rate function.
3. 3. The mining operations dust suppression method of claim 1, wherein the testing and evaluating the dust suppression scheme and obtaining an evaluation result includes: reading actual data of dust concentration of a mine; and obtaining an evaluation result of the position of the dustproof equipment through actual data of the dust concentration of the mine site.
4. 4. The mining operations dust suppression method of claim 2, wherein the dust agent utilization function comprises: Setting the dust control agent utilization rate function based on the dust control water demand; The dustproof agent utilization rate function meets the following formula: , Wherein, the Indicating the utilization coefficient of the mine site dust-proof agent, Indicating the total area of the mine site, Indicating the amount of mine dust, Indicating the actual water consumption of dust prevention in the mine, Represents the natural rainfall of the mine, Indicating the dust-proof area of the mine, Indicating the dust-proof water demand of the mine.
5. 5. The mining load operation dust suppression method according to claim 4, wherein the adjusting and optimizing the dust suppression scheme to obtain an optimal dust suppression scheme according to the evaluation result includes: adjusting the dust pre-wetting time of the dust suppression scheme according to the permeability coefficient of the dust suppression agent; adjusting the dust-proof water demand of the dust suppression scheme according to the utilization coefficient of the mine dust-proof agent; Adjusting the operation position of the dustproof equipment of the dust suppression scheme according to the concentration of the mine dust; and combining the dust pre-wetting time, the dustproof water demand and the dustproof equipment operation position to obtain an optimal dust suppression scheme.
6. 6. A mining operations dust suppression system, characterized in that the system comprises a processor, an input device, an output device and a memory, which are interconnected, wherein the memory is adapted to store a computer program comprising program instructions, the processor being configured to invoke the program instructions to perform the mining operations dust suppression method according to any of claims 1-5.

Description

Mining site mining operation dust suppression method and system Technical Field The invention relates to the technical field of mining field exploitation, in particular to a mining field exploitation loading operation dust suppression method and system. Background The open-pit mine is easy to generate a large amount of dust in the processes of blasting, loading, transporting and storing, and the mine dust not only causes personal injury and mineral material loss, but also has serious influence on the atmospheric environment and social ecology, thus being a multi-aspect hazardous substance. Dust particles can reduce the visibility of manual operation in the mining and loading operation process of a mine, dust can erode mining mechanical equipment and cause damage and abrasion of parts in the equipment, so that the normal operation and the service life of the equipment are affected, the safety coefficient of the mining operation is reduced, the maintenance cost of the mechanical equipment is increased, and the economic benefit of the mine is further reduced. The existing mining and loading operation dust suppression method cannot be matched with a proper dust suppression scheme according to the dust dissipation condition of the mining and loading stage, defects and defects of technical measures of the scheme directly cause the problems of excessively high content of mining dust, premature wear of mechanical parts, low operation visibility and the like, huge economic loss is brought to an open-air mine, and the mining and loading operation dust suppression method and system of the mining are required to be improved and improved, so that the aim of effectively suppressing the mining dust is fulfilled, the safety of the mining operation is improved, and the property loss caused by equipment wear is reduced. Disclosure of Invention Aiming at the defects of the existing method and the requirements of practical application, in order to realize safe, green and efficient mining of the operation of the mine, the corresponding dust suppression scheme and adjustment scheme technological measures are matched according to the escape condition and the generation principle of the mine dust, so that the influence degree of the dust on the environment is effectively reduced, the property loss caused by equipment abrasion is reduced, and the economic benefit of the mine is improved. On one hand, the invention provides a mining and loading operation dust suppression method, which comprises the following steps of simulating dust escape conditions of a mining and loading operation stage, matching a dust suppression scheme according to the dust escape conditions of the mining and loading operation stage, testing and evaluating the dust suppression scheme and obtaining an evaluation result, and adjusting and optimizing the dust suppression scheme according to the evaluation result to obtain an optimal dust suppression scheme. According to the invention, the dust suppression scheme is matched according to the dust dissipation condition of the mining and loading operation stage of the mining site, technical measures of scheme suppression are adjusted, the abrasion of dust to mechanical equipment is effectively slowed down, the operation efficiency of the mining and loading operation stage of the mining site is improved, and the economic benefit of mining of the mining site is further improved. Optionally, the simulation of the dust escape situation of the mining and loading operation stage comprises the steps of obtaining actual data of the mining and loading operation stage, determining influencing factors of the dust escape according to the actual data, wherein the influencing factors comprise wind speed of the mining site, parameters of the dust and humidity of air, evaluating the effect of the wind speed of the mining site, the parameters of the dust and the humidity of the air on the dust escape according to the actual data, and simulating the dust escape situation of the mining and loading operation stage according to the influencing factors, the effect and the actual data. According to the invention, the scattering condition of the mine dust is analyzed through the mine environment and the dust parameters, so that the accuracy and the authenticity of a dust scattering simulation result are ensured, and the accuracy of a mine mining and loading operation dust suppression method is improved. Optionally, the dust suppression scheme is matched according to the dust escape condition of the mining operation stage, and comprises the steps of setting dust prevention time according to the dust escape condition of the mining operation stage, setting dust prevention water demand according to the dust escape condition of the mining operation stage, and setting dust prevention equipment positions according to the dust escape condition of the mining operation stage. According to the dust dissipation condition, the dust prevention time, the