Intelligent regulation and control system for safe coal bed gas gathering and transportation in coal mine area

Abstract

The invention relates to the field of coal mine safety, in particular to an intelligent regulation and control system for safe coal bed gas gathering and transportation in a coal mine area. The intelligent regulation and control system comprises a monitoring host, an audible and visual alarm, a plurality of monitoring substations, a plurality of groups of sensors and negative pressure regulation devices, wherein the plurality of monitoring substations are arranged in a coal bed gas gathering and transportation pipe network in the coal mine area in a distributed way; the plurality of groups of sensors and the negative pressure regulation devices are arranged in a pipeline of the coal bed gas gathering and transportation pipe network at intervals; each monitoring substation receives monitoring data in the pipeline, acquired by at least one group of sensors, and transmits the monitoring data to the monitoring host; the monitoring host analyzes and judges whether the coal bed gas gathering and transportation pipe network is abnormal according to the monitoring data transmitted from each monitoring substation; when leakage or blockage exists in the pipeline, an audible and visual alarm signal is emitted; and when the pipeline is broken, the pipeline at the abnormal area is closed by the negative pressure regulation devices. By means of the intelligent regulation and control system, the coal bed gas gathering and transportation pipe network can be monitored in real time, the fault situation of the coal bed gas gathering and transportation pipe network can be judged according to the monitoring result, and corresponding operations can be carried out, therefore the safety transportation of the coal bed gas under a mine shaft of the coal mine area can be ensured.

Description

technical field [0001] The invention relates to the field of coal mine safety, in particular to an intelligent control system for safe collection and transportation of coal bed methane in coal mine areas used in a coal bed methane delivery system. Background technique [0002] Coalbed methane, also known as coalbed gas or coalbed methane, is a self-storage natural gas that exists in coal seams and solid rocks in an adsorbed or free state through biochemical pyrolysis during the coal formation process. It belongs to unconventional natural gas and is high-quality Chemical and Energy Raw Materials [0003] The concentration of coalbed methane in the coal mining area is determined by the extraction method and process and the sealing state of the gathering pipeline of the extraction system. After the extraction method and process are determined under specific extraction conditions, the concentration of the extraction system The sealing state of the gathering pipeline determines ...

AI Technical Summary

Problems solved by technology

At present, among the coalbed methane extracted underground in coal mining areas, the concentration of a few better pumping stations is only about 50%, and more than 60% of the pumping stations have a concentration of less than 30%.

On the one hand, this causes a great waste of the capacity of the drainage system. On the other hand, in the part of the pumping station where the extraction concentration is lower than 30%, a large part of the concentration is just in the explosive concentration range, thus making the extraction and collection There are great potential safety hazards in the process of transporting or even emptying this part of coalbed methane

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