Quick shutoff gas bag of safe type of essence

The utility model relates to a product of adopting working face corner, concretely relates to quick shutoff gas bag of safe type of essence are combined in the pit to quick shutoff colliery, the fire-retardant sponge that includes the dryer sack and be used for filling out charging section of thick bamboo sack, quick shutoff gas bag of safe type of essence compare with current cinder bag, the volume of dryer sack increase, but the weight of dryer sack reduces, and can used repeatedly, used material dryer cloth and fire -retardant sponge are essential safe materials, accord with the colliery operation requirement, through practice has proved, can alleviate intensity of labour and reduce the material use amount, and be safe in utilization, effectual, is applicable to and combines the gas prevention and cure of adopting working face upper corner in the pit. 本实用新型涉及种快速封堵煤矿井下综采工作面隅角的产品，具体涉及种本质安全型快速封堵瓦斯袋；包括风筒布袋和用于填充风筒布袋的阻燃海绵；所述的本质安全型快速封堵瓦斯袋与现有煤渣袋相比，风筒布袋的体积增大，但风筒布袋的重量降低，且能重复使用，所用材料风筒布和阻燃阻燃海绵是本质安全材料，符合煤矿使用要求，经实践证明，可以