解读高层建筑二级负荷消防设备设计

1、解读高层建筑二级负荷消防设备设计Interpretation of the high-rise building fire equipment secondary loaddesign高层修建依据其运用性质、火灾风险司长、分散和补救难度等进行分类。1O18层住所应属二类高层修建。其间首要通道和楼梯间照明用电、客梯用电、排污泵和日子水泵用电为二级负荷，其消防用电负荷：消防操控室、火灾主动报警及联动操控设备以及阀门等用电应为二级负荷。High-rise building according to the use of nature, fire risk, director of classify,

2、 dispersion and remedial difficulty. 1 o 18 floors residence should belong to the category of high-rise building. During the primary channel and stair illume, passenger lift pump, sewage pump, and days for electricity utilization secondary load, and its fire load: active alarm and fire control room,

3、 fire linkage control equipment and valves, etc. Electricity should be the secondary load.高层住所宜在底层或地下一层设置10(6)0.4kV户内变电所或在室外设置预装式变电站。变压器低压侧电压为0.4kV时。单台变压 器容量不宜大于1250kVA 预装式变电站变压器，单台容量不宜大于800kYA。二级负荷供电体系停电影响较大，宜由两回路供电，供电变压器也宜选两台(两台变压器可不在同一变电所)。当线路自上一级配电所用电缆引来时有必要选用两根电缆组成的电缆线路。其每根电缆应能接受 100的二级负荷。且互为热备

4、用。High-rise residence should be set on the ground floor or underground 10 (6) / 0.4 kV indoor substation or in the outdoor setting preinstalled type transformer substation. When the voltage is 0.4 kV transformer low voltage side. Single transformer capacity should not be greater than 1250 kva preins

5、talled type transformer substation, single capacity should not be greater than 800 kya. Secondary load influence on power system blackouts, and appropriate by the two circuits of power supply, power supply transformer and appropriate chooses two (two are not in the same substation transformer). When

6、 used cable line from the upper level distribution cause it necessary to use two cables of cable line. The each cable should be able to accept 100% of the secondary load. And hot standby each other.JGJ162008民用修建电气设计规范(以下简称新民 规)13.9.5条规则：消防体系配电设备。应设置在修建物的电源进线处或配变电所在。其应急电源配电设备宜与主电源配电设备分隔设置：当分隔设置有艰难，需要

7、与主电源并排安置时。其分界处应设防火间隔。配电设备应有显着象征。消防用电设备应选用专用供电回路，当出产、日子用电被堵截时，应能确保消防用电，新民规)13.9.8条规则：其配电体系的分支线路。不该跨过防火分区，分支干线不宜跨过防火分区。JGJ16 2008 "civil construction electrical design specification" (hereinafter referred to as "new" rules ") 13.9.5 rule: fire control system of power distribut

8、ion equipment. Should be set in building of the place or distribution substation in the power supply into line. Its main power distribution equipment and emergency power distribution equipment are advised space Settings: when space Settings have difficult, need to be placed side by side with the mai

9、n power supply. The boundaries should be set fire interval. Power distribution equipment shall have the significant symbol. Fire should choose a dedicated power supply circuit, electrical equipment when produces, as well as days are blocked, should ensure the fire electricity, the new gauge) 13.9.8

10、rule: the branch line of power supply system. Shouldn't cross fire partition, unfavorable branch lines across the fire zone.高层修建二级负荷消防设备设计，二类高层寓居修建中火灾主动报警维护目标分级为二级，所以此类修建物内消防设备供电干线及分支干线，应选用有机绝缘耐火铜芯电力电缆，其分支线路和操控线路，系结尾双电源切换箱放射式至相应消防设备的线路，它们同在一个防火分区内且线路较短，当采纳必定防火办法如穿管暗敷防水板，宜选用与消防供电干线或分支干线耐火等级降一类的电线

11、或电缆即阻燃型铜芯电线或电缆。High-rise building fire equipment secondary load design, second class upper walls built in alarm active fire maintenance target classification for level 2, so this kind of building material in fire equipment supply main and branch lines, should choose organic insulating refractory cop

12、per power cable, the branch circuit and control circuit, the radial end is double the power switch box to corresponding fire control equipment of the line, they present a fireproof partition and short circuit, when adopted must fire protection measures such as wearing dark apply, appropriate chooses

13、 and fire power supply main trunk or branch rated drop type of wire or cable that is flame retardant copper wire or cable. 有机绝缘耐火铜芯电力电缆在电气竖井内或电缆沟内敷设时可不穿导管维护，但应采纳与非消防用电电缆阻隔办法；选用明敷、吊顶内敷设或架空地板内敷设时，应穿金属导管或封闭式金属线槽维护，且维护管或线槽应采纳涂防火涂料等防火办法：当线路暗敷时 应 穿金属导管或难燃型刚性塑料导管维护锅炉出渣机，并应敷设在不焚烧布局内，且维护层厚度不小于30mm。Organic in

14、sulating refractory copper power cable or cable laying in the electrical shaft can not wear catheter maintenance, but should be adopted with the fire power cable cut off; Choose Ming fu, ceiling installation or overhead floor laying, should wear metal conduit or enclosed metal trough maintenance, an

15、d maintenance of fire retardant coating tube or slot should be adopted, such as fire prevention measures: when the line is dark apply. Should wear metal conduit or flame retardant rigid plastic tube maintenance, and should be burned without laying within the layout, and maintain the thickness not less than 30 mm.新民规13.8.5.3条需求高层寓居修建分散楼梯间、长度超越20m的内走道、 消防电梯间及其前室或合用前室农用拖拉机，应 设分散照明(持续时间不小于30min)。New requir