Coal mine rescue equipment | Mining rescue equipment | Mining machinery equipment
The mine gel pump is a specially designed piece of equipment for mining operations. It’s a gel injection device capable of delivering high-water-content gels that are fire-retardant, heat-resistant, and formulated with precise proportions. Primarily used to convey high-temperature and high-water-content materials (water + gel material + accelerators), this pump automatically mixes water, gel material, and accelerators in specific ratios and delivers the mixture to the desired injection locations. Depending on the varying proportions of the ingredients, this liquid high-water gel mixture can solidify into a gel within 30 to 400 seconds. While in liquid form, it thoroughly penetrates the coal seam; during gelation, it absorbs heat; and once solidified, it encapsulates the coal mass and forms a stable buildup. As a result, this technology fully leverages its effectiveness in firefighting, enabling rapid and efficient control and extinguishing of fires.
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Three-phase Foam Generation Device KSP900 for Coal Mines
The three-phase foam generation device for coal mines consists of a foaming system and a foaming agent injection pump. It leverages the mine’s existing grouting system—whether on the surface or underground—to inject the foaming agent, thereby reducing the surface tension of water and altering the physicochemical properties of fly ash and yellow mud surfaces. This process effectively achieves rapid fire prevention and extinguishing. The device ensures complete coverage of floating coal, both at low and high elevations, eliminating the common issue of uneven coverage during grouting that often leads to "grout leakage" and "channeling." By isolating oxygen from coming into contact with the coal, it halts the oxidation process and stops the exothermic reactions responsible for heat buildup.
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Mine pneumatic fire-prevention and extinguishing grouting device
The ZHJQ series mine-use pneumatic grouting and fire-extinguishing device is a new type of grouting equipment. Its two mixing tanks enable the alternating supply of two chemical solutions, with continuously adjustable flow rates and precise mixing ratios. It can be configured to deliver filling and sealing materials—including mine-grade gels, slurries, backfilling and sealing agents, and fire-retardant plugging agents—as well as dust-suppression and inerting materials, which are then pressurized and conveyed through pipelines to the fire-extinguishing site.
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The mine pneumatic grouting pump is a highly efficient grouting device specially designed for coal mines and other underground mining environments. Powered by compressed air, this equipment utilizes pneumatic technology to ensure stable delivery of high-viscosity slurries. Thanks to the large-area ratio between the cylinder and the grouting cylinder, it can generate high grouting pressure even under relatively low air pressure conditions, making it an indispensable key piece of equipment for mine support and grouting reinforcement operations.
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