Refuge chamber closed doors Shandong's coal production of door Mans absolutely shattered, frustrations; Shandong's coal production of door withdrawn arrogant, underappreciated; Shandong's coal production of door knowing too much, on the ascendant; in an increasingly competitive mining industry, when you see this pieces of information, that we have a big fate, you for taking the time to look at our description of airtight doors refuge chamber in busy, which I will use the most sincere way to express your gratitude! Mine refuge chamber Shandong's coal mine blast doors machine gives you a new sense of mine refuge chamber door mine explosion-proof doors refuge chamber refuge chamber explosion-proof door door door price Shaanxi coal mine explosion-proof door Yunnan refuge chamber should be used to outside two doors open structure. For the protection of the outside of the first explosion-proof doors (hereinafter: the outer door), the main function is to resist the shock wave and the barrier 1.5Mpa toxic gases; the second track is protective closed doors (abbreviation: inside door), the main function is to resist 0.3Mpa Shock and blocking poisonous gas. Between the two doors of the transition chamber, a sealed door of the safe-haven survival room. According to the State Coal Mine Safety Supervision Bureau "Pilot Project underground mine refuge basic requirements" (Coal Safety Supervision Division Office 2010 No. 9) and the State Coal Mine Safety Supervision Bureau "notice" on the "build a perfect coal mine safety hedge" Six Systems (total coal screening equipment [Revised 2010] No. 146) shall not be less than the reverse isolation door damper standards. Isolation doors and closed doors are made of multi-point perimeter fastening structure, the seal is double U-groove seal type. Open and flexible, reliable sealing. 1. Install a, a first line of defense closed doors installed in the refuge chamber. Wall strength of the door of the wall, sealing, surrounded by pottery groove depth should follow the "coal mine emergency system construction and management of the Interim Provisions" Article 19 provisions. b, the guard closed doors and closed doors installed, the doors should open outwards. c, protective closed doors and closed doors installation should be sealed and reliable, open and close flexible. 2, the use of a, you need to open the door and when the guard closed the door closed from the inside and outside can turn the handwheel clockwise direction (the direction indicated by the arrow), open the closed door locking device, sliding door closed, you can open the protective airtight Gate. b, the rear guard closed doors and closed doors closed doors, turn the handwheel counterclockwise (direction indicated by the arrow), the closed door locking device locked to ensure reliable sealing closed doors. c, when the emergency, miners should be in accordance with the relevant provisions of the emergency system properly sealed doors with protective closed doors. Shandong's coal mine machine Inclined shaft blast doors to our direct marketing products, quality and cheap, is your good choice, in order to maximize the benefits of your choice holy Mine machine! Holy Mountain Machinery Co., Ltd. Shandong coal mine annual production of waterproof airtight doors, fire gates, anti-shock doors Inclined wells blast doors, blast doors refuge chamber, anti-sudden throttle, throttle and other non-pressure mine gate, buffer Bed and buffer strips, concrete sleepers, corrosion sleepers, various mine support equipment with Shandong's coal waiting for your advice, Shandong's coal Xiao Han 24 hours waiting for your Union