The building's fire protection system includes the fire hydrant system, automatic sprinkler fire extinguishing systems and fire extinguishers. Fire Hydrant System uses pumps and water tank fire hydrant water supply way. According to the calculation, setting ten hydrants in the 1 ~ 5 F each layer, four hydrants in the 6 ~ 17 F each layer. Automatic spray fire-extinguishing systems use wet automatic sprinkler system, the system is suitable for a place which the environmental temperature is not lower than 4 ° C and not higher than 70 ° C, and the system puts out the fire in time, saves the advantages of high efficiency. At the same time, because of the building is used in different function, using the water as an only way to put fire sometimes can't achieve the goal, set portable ammonium phosphate powder fire extinguisher in each floor is necessary.
When it comes to drainage.Living sewage and waste water shares a commen confluence system, the life sewage is collected back through the municipal sewage pipe. Rainwater system use a special rainwater pipe, by pooling the back into the municipal rainwater pipe network, without confluencing with sewage, to avoid increasing the handling capacity of sewage. In this design, UPVC is used as sewage pipes and vent pipes , and HDPE is used as rainwater pipes . UPVC pipe has the advantage of its light quality, good corrosion resistance, cheap and not easy to be be blocked . HDPE pipe has the advantage of high drainage security, not easy to be blocked, good corrosion resistance, cheap and easy to be maintained, etc.
In addition,without affecting the normal use of sanitary ware in the case we had better take energy-saving and water-saving into consideration when choosing sanitary fittings and equipment. Good equipment can reduced load and reduce energy consumption greatly. In this design can also make full use of water to increase wastewater reuse percent, and reduce the energy consumption.
Keywords: water supply, drainage, fire hydrant, automatic sprinkler systems
目 录
1.引言 1
2.设计概况 1
2.1 设计资料 1
2.2 设计依据及规范 1
3.建筑材料的选择 2
3.1 给水管材的选择 2
3.1.1 给水管材的类型 2
3.1.2 给水管材的选择 3
3.2 排水管材的选择 3
3.2.1 排水管材的类型 3
3.2.2 排水管材的选择 4
4.给水系统设计 4
4.1 综述 4
4.2 给水方式的选择 4
4.2.1 直接给水方式 4
4.2.2 设水泵和水箱给水 4
4.2.3 气压给水 5
4.2.4 分区给水方式 5
4.3 给水系统的计算 5
4.3.1 最高日、最高时用水量的计算 5
4.3.2 设计秒流量的计算 6
4.3.3 沿程水头损失的计算 6
4.3.4 低区给水管网水力计算 7
4.3.5 高区给水管网水力计算 9
5.消防系统设计 10
5.1 消防给水系统的选择 10
5.1.1 建筑分类 10
5.1.2 消防给水系统的选择 11
5.2 消火栓系统设计 11
5.2.1 设计说明 11
5.2.2 消火栓系统的布置 11
5.2.3 水枪喷嘴处所需水压 12
5.2.4 水带阻力 13
5.2.5 消火栓口所需压力 13
5.3 自动喷水灭火系统设计 13
5.3.1 自动喷水灭火器系统的选择 13
5.3.2 喷头及管网布置 13
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