The BA-FP73 anti spray dust collector adopts a simple gas slag collection box, which dynamically collects drilling gas slag through the simple box. Its main functions include anti spray and dust reduction. Blowout prevention: Effectively block small gas spray holes and prevent accidents such as gas exceeding limits caused by spray holes. Dust removal: Preliminary dust prevention is achieved by spraying water through the gas residue collection box. By using a compressed air injection device or extraction pipeline, small dust is directed and drained to achieve dust reduction in the drilling construction environment. This device can timely and effectively prevent small spray holes and simple dust removal during drilling construction.

The ZWX-4Z mine explosion-proof and intrinsically safe distributed fiber optic temperature measurement host is a compact, high-precision, multi-channel, and continuously distributed fiber optic temperature measurement equipment independently developed and produced by our company. It can continuously measure the temperature field along the fiber optic.

The YDC5 portable gas drainage pipeline multi-parameter measuring instrument accurately measures the pressure, pressure difference, temperature, methane concentration, and carbon monoxide concentration in the negative pressure pipeline. The instrument adopts a highly integrated engineering design, which is compact and easy to carry; Built in high-precision sensor, fast detection speed and strong stability. The overall circuit conforms to low-power design and can adapt to long-term underground work;

The YDC7 portable multi-parameter measuring instrument (hereinafter referred to as the measuring instrument) is a portable intrinsically safe multi-parameter measuring instrument for mining. Adopting the ultrasonic principle of four probe design, it can accurately measure the wind speed and direction of the tunnel. Compared with traditional wind speed measuring instruments, it has the advantages of full range measurement, high accuracy, and low startup speed. Using the laser principle to measure methane concentration can achieve high-precision and high reliability methane concentration detection

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