巷道易自燃区域的确定方法、确定装置和自燃分析系统
By acquiring basic parameters of the coal mining face and combining them with FLUENT numerical simulation software, the minimum limit depth and maximum particle size of spontaneous combustion in roadways were determined, solving the problem of difficulty in determining the spontaneously combustible areas in roadways in existing technologies, and realizing accurate monitoring and prevention of spontaneously combustible areas in roadways.
CN117423395BActive Publication Date: 2026-07-17SHENHUA XINJIANG ENERGY CO LTD +2
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHENHUA XINJIANG ENERGY CO LTD
- Filing Date
- 2023-10-27
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technologies make it difficult to identify areas in roadways prone to spontaneous combustion, and thus cannot effectively prevent and control spontaneous combustion of coal in roadways.
Method used
By obtaining the basic parameters of the coal mining face and combining them with FLUENT numerical simulation software, the minimum limit depth and maximum particle size of spontaneous combustion in the roadway are determined, thereby identifying the areas in the roadway prone to spontaneous combustion.
Benefits of technology
Accurately identifying the areas in underground coal mine roadways where broken coal is prone to spontaneous combustion facilitates targeted prevention and control, thereby improving safety.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN117423395B_ABST
Abstract
本申请提供了一种巷道易自燃区域的确定方法、确定装置和自燃分析系统，该方法包括：获取采煤工作面基础参数；根据采煤工作面基础参数确定巷道自燃的最小极限深度，最小极限深度为引起巷道自燃的巷道裂隙的最小深度；根据最小极限深度，同时结合FLUENT数值模拟软件，得到最大粒径尺寸，最大粒径尺寸为最小极限深度下巷道发生自燃的煤体的最大粒径，FLUENT数值模拟软件用于模拟巷道不同粒径尺寸的煤体的自燃升温过程和是否发生自燃的结果；在巷道区域中巷道裂隙的深度大于最小极限深度且煤体的粒径小于最大粒径尺寸的情况下，将该巷道区域确定为巷道易自燃区域，解决了现有技术中难以确定巷道易自燃区域的问题。
Need to check novelty before this filing date? Find Prior Art