六场半全场胜负彩开奖 www.bfbdrg.com.cn The biggest difference between ordinary elevator and fire in high-rise residential elevator is different, the fire lift is a special for fire fighting and rescue firefighters in the power set, fire elevator should have two independent power supply, only a common power supply.
High-rise residential elevators and elevators fire is the biggest difference between the use of different, fire elevator is dedicated for firefighters fire fighting and rescue, in the power settings, the fire elevator should have two independent power supply, ordinary only one power supply.
In addition, the fire elevator and high-rise residential ordinary elevator, compared with the following requirements:
1, fire elevator should be located before the room, the door before the room should be used B fire doors;
2, the front room should rely on the external walls set up in the first floor should be set up through the outdoor safety exit or through the length of not less than equal to 30m of the channel leading outdoors;
3, fire elevator shaft, the engine room and the adjacent elevator shaft, between the engine room, fire resistance should be not less than 2.00h non-burning body partition separated;
4, when the door to open the door when the fire door should be set; in the first floor of the fire elevator shaft wall should be set for firefighters dedicated operation button, fire elevator car interior decoration should be non-combustion materials and Its internal fire-fighting intercom should be set up special;
5, fire elevator downhole should be set drainage facilities, the capacity of drainage wells should not be less than 2 square meters, the displacement of the drainage pump should not be less than 10L / s. Fire elevator room door should be set before the retaining measures;
6, fire lift the load should not be less than 800Kg, fire elevator speed, should be from the first floor to the top of the run time of not more than 60s calculated to determine (that is, the emergency landing time);
7, fire lift power and control cables, wires should be taken waterproof measures;
8, fire elevator should use a dedicated power supply circuit, when the production and daily life is cut off, should still be able to ensure that electricity, the power distribution equipment should be clearly marked;
9, fire elevator power supply, in its distribution line at the end of a power distribution box at the end set up automatic switching device;
10, fire elevator control linkage in the fire control room, fire elevator usually can also be used as an ordinary elevator, or both passenger and freight use.
11, fire elevator can be used for emergency landing.