DN inner injection single hydraulic prop

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1.Refuge chamber adopts modular structure design，easy to transport and move，according to the different demand of underground space and the number of asylum，Any combination into different size，Different specifications of the chamber. 2. chamber adopts modular structure design，internal and external steel airtight，can resist to explosive blast of 2.2Mpa. 3. Downhole pressure, compressed oxygen, oxygen generator, wind self-rescuer oxygen to level 4, safe and reliable. 4. Refrigeration dehumidification is simple and practical. 5. In chamber keep on positive pressure of 200～300 Pa，comfortable living environment. 6. Have the ability to resist 300 meters permeable. 7. Out chamber sides temperature resistance of 1200℃，good heat and sound insulation. 8. Doors with patented air door，sealing performance of the super，can effectively prevent the invasion of the poisonous and harmful gases. 9. To the nearest shelter，to the nearest shelter,multipoint arrangement，full coverage ,multi-tier protection ，operational independence 10. Capsule as a representative of the emergency actions system and original five downhole safety system（Monitoring system、mine personnel positioning system、compressed air self-help system、water rescue system and communication system）Comprehensive docking, connectivity，reach to the interconnectivity between tank and tank.

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shandong china coal industrial&mining group

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