1 说明··············································································································1
2 项目概述······································································································1
3 设计依据及主要原始资料 ············································································2
4 工作制度及年时基数 ··················································································2
5 产品及生产纲领····························································································3
6 工组成、任务·····························································································3
7 各种数据········································································································4
8 投资估算········································································································4
项目建设目标使铸件产量由现在的 6000 吨增加到 30000 吨，铸件
机加工能力由目前的 2000 吨增加到 10000 吨。该项目规划 2011 年建成，并
建设单位管理费：根据财政部文件财建[2002]394 号文标准规定计算；
1 设计依据·······································································································1
2 主要设计原则·······························································································1
3 项目所在地能源供应状况 ···········································································1
4 设计用能·······································································································2
5 节约及合理利用能源的主要措施 ·······························································3
6 能源管理机构·······························································································6
7 能源计量·······································································································6
8 能耗指标·······································································································7
9 与能耗指标有关的主要数据 ·······································································8
10 结语·············································································································8
.. 《中华人民共和国节约能源法》（1998 年 1 月 1 日起施行）
.. 《中华人民共和国可再生能源法》（2006 年 1 月 1 日起施行）
.. 《企业能源计量器具配和管理导则》（GB/T 17167-1997）
全年产铸件 30000 吨，机加工件 10000 吨的能源及耗能工质的品种
外窗做未增塑聚氯乙烯塑料框料及 5+9A+5 中空玻璃，屋面采用保温屋面。
.. 变配电系统均选用节能型产品，同时合理选择装机容量,10kV 变压器
型电感镇流器；所有荧光灯的功率因数均要求补偿至 0.95 以上，所有金卤
器具配和管理导则》（GB/T 17167-1997）中对能源计量器具的配和
1 设计依据·········································································································1
2 场地概述·········································································································1
3 总平面布置·····································································································1
4 竖向布置·········································································································2
5 区绿化·········································································································2
6 消防·················································································································2
1 总平面布置图（596A3ZT0A-01） ·························································附后
总面积约 166 亩，分为 2 个区（其中老区约 75 亩；新区约 91 亩）。
生产区由南向北依次为二号铸造车间（126.68mX90m），二号清理车间
1 设计依据·································································································· 1
2 车间现状·································································································· 1
3 车间任务和生产纲领 ·············································································· 1
4 工作制度和年时基数 ·············································································· 2
5 工艺方案·································································································· 2
6 设 ········································································································11
7 人员 ········································································································11
8 环境要求································································································ 12
9 材料消耗和物料运输 ············································································ 12
10 需要说明的问题和建议······································································· 13
1 1 号铸造车间工艺设明细表（596.A3ZG3A-SB01~SB02）··········附后
2 2 号铸造车间工艺设明细表（596.A3ZG1A-SB01~SB08）··········附后
3 2 号清理车间工艺设明细表（596.A3ZG2A-SB01~SB02）··········附后
1 1 号铸造车间工艺平面布置图（596.A3ZG3A-01） ·······················附后
2 1 号铸造车间工艺剖面布置图（596.A3ZG3A-02） ·······················附后
3 2 号铸造车间工艺平面布置图（596.A3ZG1A-01） ·······················附后
4 2 号铸造车间工艺剖面布置图（596.A3ZG1A-02~03） ·················附后
5 2 号清理车间工艺平面布置图（596.A3ZG2A-01） ·······················附后
6 2 号清理车间工艺剖面布置图（596.A3ZG2A-02） ·······················附后
人，占地面积 7 万平方米，建筑面积 3 万平方米，固定资产壹亿元人民币。
铸造车间现有 1 条德国 KW 气流预紧实加多触头压实工艺造型线 型/h，设已趋老化，维修
改造）和新增 26000 吨铸件建设项目（即新建 2 号铸造车间、2 号清理车
件及少量工程车辆变速箱体铸件等 30000 吨，其中液压铸件产量约占 80%。
铸件材质为球铁和灰铁，球铁约占总产量的 60%，灰铁为 40%。典型铸件
二班平行工作制生产。全年设工作日为 250 天，每周工作 5 天，每班工
5.1 现有铸造生产线） KW 造型线已趋老化，维修时间增多，建议由 KW 进行大修，
区域新建旧砂中间储存斗和 35t/h 混砂单元，新建部分可以在生产线正常生
置、电气及控制装置等。选用生产率为 35t/h 的高效转子混砂机 1 台（国
均可以在造型线）砂处理所需新砂由新砂库通过气力输送系统压送到新砂斗。新砂
不小于 10 个，平均每型浇注铁液量约 100kg。浇注机换包装置可过跨至熔
小于 25 个，平均每型浇注铁液量约 20～30kg,向浇注机转运铁液包采用 5t
炉体、双供电，3500kVA/套）和 1 套 3t/h 中频无芯感应电炉（双炉体、双
供电，2000kVA/套）直接熔炼，为了提高设的可靠性，减少维修费用及维
加入 3 套振动输送加料小车（每批加料量 3t），通过振动输送加料小车将炉
本次设计按 2 条造型线 套独立的砂处理系统。静压造型线t/h,为确保合格型砂供应，此砂处理系统处理能力
为环境温度加 10°C、温度小于 49°C；旧砂湿度控制在 2±0.3%。
选用生产率分别为 70t/h 和 30t/h 的的高效转子混砂机各 1 台（国外
5） 70t/h 砂处理所需新砂由 1 号铸造车间的新砂库通过气力输送系
2） 每条带式输送机旁设置 6 个人工打磨隔间，每个隔间内有 1 台固定
1 号铸造车间需技术改造工艺、机械化设 54 台（套），其中新增 26
2 号铸造车间新增工艺、机械化设 154 台（套），详见附表 2；2 号
铸造车间和 2 号清理车间需新增工作人员 372 人，其中工人 332 人。
1 设计依据·······································································································1
2 项目概况·······································································································1
3 主要建筑物设计说明 ···················································································2
4 结构工程·····································································································12
1 2 号铸造车间平面图（图号：596.A3JT1A-01@）·····························附后
2 2 号铸造车间屋面平面图（图号：596.A3JT1A-02@） ·····················附后
3 2 号铸造车间立面剖面图（图号：596.A3JT1A-03@） ·····················附后
4 2 号铸造车间剖面图（图号：596.A3JT1A-04@）·····························附后
5 2 号清理车间平面图（图号：596.A3JT2A-01@）·····························附后
6 2 号清理车间屋面平面图（图号：596.A3JT2A-02@） ·····················附后
7 2 号清理车间立面剖面图（图号：596.A3JT2A-03@0 ·······················附后
钢筋混凝土框架结构。主体结构合理使用年限为 50 年，抗震设防烈度为 6
本工程总建筑面积为 18372m2，其中铸造车间总建筑面积为 12504m2，
2 号铸造车间跨度为 18 米、15 米、18 米、15 米、15 米，柱距 6 米。
主体建筑屋架下弦标高 12.500，局部建筑屋架下弦标高 15.000。主体房长
下弦标高 12.000。主体房长 126.10 米，宽 46.50 米。本工程图纸所注尺寸
行频繁等特色。车间外墙设置窗台高 900 的外窗，结合屋面天窗，形成空气
3.4.2 房内隔墙采用 240 厚多孔砖，M5 混合砂浆。粉刷为高级抹灰。
3.4.3 房辅助生活间框架填充墙体采用 240 厚空心砖，M5 混合砂浆。卫生
3.4.4 需做基础的隔墙除另有要求者外，均随砼垫层做元宝基础，上底宽 500，
3.4.5 墙身防潮层：在室内地坪下标高-0.060 处做 20 厚 1：2 水泥砂浆（内
变化处，防潮层应重叠搭接，并在有高低差埋土一侧的墙身做 20 厚 1：2 水
3.4.6 所有内墙钢砼柱阳角处及砌体门洞口阳角两边均做 50 宽水泥砂浆护
3.5.1 本工程的屋面防水等级为Ⅱ级，根据《屋面工程技术规范》要求，采
用双层（3+3 厚）高聚物改性沥青卷材防水，防水层合理使用年限为 15 年，
3.5.2 主体房屋面排水采用内天沟内落水；辅房采用内檐沟外落水。雨水
a. 2 层 3 厚 APP 改性沥青防水卷材（面层卷材带页岩保护层）；
a. 2 层 3 厚 APP 改性沥青防水卷材（面层卷材带页岩保护层）；
3.5.4 本工程外墙面及屋面均有防雷接地，主体房利用屋面板、辅助生活
间利用女儿墙压顶钢筋焊通，并与结构防雷引下线 主体房建筑外门窗抗风压性能分级为 3 级，气密性能分级为 4 级，
水密性能分级为 3 级，保温性能分级为 3 级，隔声性能分级为 3 级；辅助生
3.6.2 门窗玻璃的选用应遵照《建筑玻璃应用技术规程》和《建筑安全玻璃
7）主房玻璃采用 5 厚浮法白玻，辅助生活间玻璃采用 5+9A+5 中空玻
8）所有单块玻璃大于 1.5 平米、门玻璃大于 0.5 平米的均采用钢化玻璃；
1）水泥砂浆面砖外墙（主体车间及辅助生活间标高 1.200 以下）做法为：
2）外墙（主体车间、辅助站房及理化楼标高 1.200 以上）做法为：(由外
4）内墙砖墙所有阳角均做 2000 高水泥护角，两边各宽出阳角 50。门窗
3.8.3 踢脚板:沿内墙四周均做 150 高 1:2 水泥砂浆踢脚板，踢脚板面层同地
c. 300 厚级配碎石压实系数不小于 0.95，地基承载力特征值 fak 不小于设
d. 素土夯实,压实系数≥0.90(是否需要地基处理根据后期地质报告要求确
c. 300 厚级配碎石压实系数不小于 0.95,地基承载力特征值 fak 不小于设
d. 素土夯实,压实系数≥0.90(是否需要地基处理根据后期地质报告要求确
c. 300 厚级配碎石压实系数不小于 0.95,地基承载力特征值 fak 不小于设
e. 素土夯实,压实系数≥0.90(是否需要地基处理根据后期地质报告要求确
a. 40 厚 C20 细石混凝土，表面撒 1:1 水泥砂子随打随抹光；
混凝土垫层设纵向缩缝间距 6m，做法参 01J304 页 114 节点 1a，横向缩
3.8.7 变形缝均采用 1.2 厚铝板或 0.6 厚彩色压型钢板，设置位置：
3.9.1 预埋砖墙的金属构件均需刷防锈红丹二道，预埋木砖需满涂防腐涂料。
除以上所述外房其它外露金属构件均做： a:刷防锈漆一道 b:刮腻子、磨
光 c:乳白色调合漆三道。(不包括不锈钢，铝，电镀制品及有涂层金属制品）。
3.9.3 所有金属雨水管斗、管道支架均先将表面油污、锈蚀等清除干净，刷
3.10.1 在建筑物四周除门口坡道外做 1200 宽混凝土散水，每隔 20~30 米需
设伸缩缝一道，缝宽 20，散水与外墙间设通缝，缝宽 10，缝内填沥青胶泥，
3.10.2 车间物流门均作 .150 焊接钢管防撞柱内灌 C20 混凝土防撞柱，外刷
3.12.1 根据甲方所提资料本工程生产火灾危险性类别为丁类，耐火等级二级
散及管理需要，楼梯疏散宽度为 1620，疏散宽度指标根据规范要求按 1m/
第 3.7.4 条要求，车间疏散距离不限，车间人员疏散采用分散设置原则，保
根据《建筑设计防火规范》第 3.3.1 条规定，主体房生产火灾危险性类
根据《建筑设计防火规范》第 3.2.4 条规定，本工程主体混凝土不需要刷
防火涂料，电炉周围柱外包敷不然材料；根据第 3.2.5 条、3.2.9 条规定，本
本工程车间主要物流门 5000x5000(h)满足消防车进入房内部要求
主体车间建筑面积大于 5000m2，根据《建筑设计防火规范》第 9.1.3 条
预应力混凝土折线形屋架。屋面板拟采用 1.5mX6.0m 预应力混凝土屋面板。
抗震设防烈度为 7 度，设计基本地震加速度值为 0.10g，设计地震分组为
1 设计依据·······································································································1
2 现场情况及设计目标 ···················································································1
3 给水设计·······································································································2
4 循环水系统···································································································5
5 排水设计·······································································································5
6 建筑给排水设计···························································································6
7 消防···············································································································7
8 人员···············································································································8
9 主要数据及技术指标 ···················································································8
10 存在问题·····································································································8
11 主要设表·································································································8
1 给排水总平面布置图（图号：596A3ST0A-01）································附后
根据《建设设计防火规范》GB50016-2006，本区同一时间内火灾次
消火栓用水量：室内 15/S,室外 25L/S，火灾延续时间按 2h 计算。
. 雨水管道采用双壁波纹管道，管径为 d300～d1000， 坡度设计为
根据本区面积 11.03 公顷，消防时同一时间内火灾次数按 1 次计算。
消火栓用水量：室内 15/S,室外 25L/S，双螺杆喂料机火灾延续时间按 2h 计算。
本区设计 300m3 消防水池,消防加压泵房及 10m3 屋顶消防水箱。
室外消防管网设计为环状，管径为 DN200，室外消火栓间距不大于 120
10.1 本期工程日耗水量 1272 吨，本自水水量可以满足要求，但供
1 主要设计依据·······························································································1
2 建设项目概况及暖通设计目标 ···································································1
3 主要设计计算参数·······················································································1
4 通风除尘设计·······························································································2
5 空调设计·······································································································9
6 节能·············································································································10
7 防火防爆·····································································································10
8 劳动安全卫生·····························································································10
9 通风与空气调节工程概算 ·········································································11
1０ 人员·········································································································11
1１ 主要设计数据及技术指标 ·····································································11
1２ 需要说明的问题及建议 ·········································································12
1 设明细表·································································································13
（图号：596A3NT1A-01）·································································附后
（图号：596A3NT2A-01）·································································附后
《工作场所有害因素职业接触限值 化学有害因素》 （GBZ2.1-2007）
工程方案设计，主要包括新建 2 号铸造车间、新建 2 号清理车间以及与车
室通风换气次数一般场所为 5―10 次/h，事故排风场所为 12 次/h。
熔化工部电炉电气间位于地下室,5t/h 电炉地下电气间面积＞200m2,
电气间排风设 P-101a~b 选用通风/消防两用风机，其平时做为消除余热
2 号铸造车间送风系统（S-201 和 S-401）的送风量为造型和制芯工
（S-501 和 S-502）的送风量为清理车间除尘系统排风量的 52%。
的冷却通廊屋面上；2 号铸造车间制芯工部送风系统 S-401 的送风机组布
置在车间西外墙的空压站屋面上；2 号清理车间送风系统 S-501 和 S-502
装，每个柱子布置一个送风支管，每个支管送风量 3000m3/h，送风口采用
调设计（夏季 26~28℃，冬季 14~18℃），空调设采用冷暖型分体空调器。
2 号铸造车间熔化工部 5t/h 电炉电气间位于地下室,其面积＞200m2，
按规范应设计排烟系统，电炉电气间排风设 P-101a~b 选用通风/消防两
1 概述 ········································································································1
2 动力介质耗量汇总 ·················································································1
3 压缩空气站·····························································································2
4 车间动力管道 ·························································································4
5 主要设表·····························································································5
1 2 号铸造车间空压站平面布置图（图号：596A3DL1A-01）········· 附后
2 2 号清理车间空压站平面布置图（图号：596A3DL2A-01）········· 附后
通过本次设计将可以满足全年产铸件 30000 吨，机加工件 10000 吨
根据 GB/T13277-91“一般用压缩空气质量等级”，一般工业用压缩空
提资料，要求压缩空气质量等级达到 3.4.4 级，即粒子浓度小于 5mg/m3、
安装 3 台排气量为 20.0m3/min 的喷油螺杆空压机，空压机型号
3/min 的风冷型冷冻式压缩空气干燥机，型号 RSLF-250，压力露点 2~10℃，
配套前后置过滤器共六个。室外设置 1 个公称容积为 10m3的储气罐，罐
安装 3 台排气量为 20.0m3/min 的喷油螺杆空压机，空压机型号
3/min 的风冷型冷冻式压缩空气干燥机，型号 RSLF-250，压力露点 2~10℃，
配套前后置过滤器共六个。室外设置 1 个公称容积为 10m3的储气罐，罐
② 焊接指低压流体输送用焊接钢管，标准号为 GB/T3091-2008。
1 设计依据及主要原始资料 ···············································································1
2 工程概述 ············································································································1
3 电力负荷及年用电量计算 ·················································································2
4 电源及电压·········································································································3
5 配、变电所及变压器 ·························································································3
6 区高、低压线路及照明················································································4
7 功率因数及补偿 ································································································5
8 继电保护和电能计量 ·························································································5
9 车间配电及照明·································································································5
10 自动控制···········································································································7
11 自动消防报警控制系统 ·····················································································7
12 防雷与接地·······································································································7
13 节能···················································································································8
14 职业安全卫生···································································································8
15 工作人员及面积·······························································································9
16 电气工程概算·································································································10
17 主要数据及指标·····························································································10
18 需要说明的问题及建议 ·················································································11
1 负荷计算表 ························································································12
2 主要设明细表·················································································18
现有一条德国 KW 气流预紧实加多触头压实工艺造型线 型/h，设已趋老化，
在区内已有 35kV 降压站一座，已设置 2 台 2500kVA 主变。本工
kVA，低压补偿共 2110kvar，降压站进行高压无功补偿，双螺杆喂料机容量暂定为
本已有 35kV 降压站一座，主变容量为 2 台 2500kVA，基本没有
设 2 台 10000kVA 主变，终容量由降压站设计单位确定，占地面积约
此外，根据业主要求,2 台 5t 中频无芯感应熔炼电炉与 1 台 3t 中频无
退出冷却风机,并有手动切换开关;绕组温度超过 130°C 时报警，150°C
采用动态电容器 2110kVar,车间变电所补偿后功率因数大于 0.9。
量。50kW 及以上的电热设和 75kW 及以上的电动机单独装设电能表。
和值班照明电压为 220V，局部照明和危险场所照明电压为 36V，特别危
低压配电屏采用 MNS 系列低压开关柜，动力配电箱采用 XL-21 型，
<照明配电箱采用 PZ30H 型。动力箱和照明箱的防护等级均为 IP42。
应配节能型电感镇流器；所有荧光灯的功率因数均要求补偿至 0.95 以上，
阻不大于 1.0Ω。车间接地形式为 TN-S 制，其 PE 线与 N 线不得混接。为
设 130mm 高踢脚板，防护栏杆高 1100mm。所有走板、梯子、平台均具
整个二期电气工程的主要设原价共计 494.4 万元(不含降压站投资)，
1 网络方案设计·······························································································1
2 网络布线·······································································································1
3 网络设选型·······························································································1
4 综合布线系统组成·······················································································2
5 投资估算·······································································································2
工内部局域网络（Intranet），中心交换机与二级交换机、服务器之间以千
兆连接，部分信息量较少的车间、站房以 10/100M 连接。网络传输主要采用
TCP/IP 协议。根据企业的具体情况，本次设计的网络拓扑采用星型拓扑模
从目前流行和发展趋势来看，网络布线采用成熟的结构化布线 芯光缆，水平布线均采用超五类四对双绞线。网络布线在区
垂直干线 芯光缆，语音传输采用大对数电线) 缆线选取：本次设计大多数信息点采用超 5 类 4 对非屏蔽双绞线，
数据点、语音点可互换，少数生产车间内电话点采用电话用户线) 缆线敷设：车间内，水平走线采用主干沿金属桥架，支干走分支线
5~10 平方米设一个数据点、一个语音点，具体设计时根据功能再进行增减；
布置。信息插座与电源插座平行且相距 20cm，并距地面 30cm，墙面端口处
1 设计依据·········································································································1
2 设计执行的主要标准 ·····················································································1
3 环境保护设计原则·························································································1
4 主要污染源及污染物 ·····················································································1
5 污水处理站规模·····························································································2
6 污水处理工艺·································································································2
7 总体设计·········································································································5
8 设及投资·····································································································5
9 人员·················································································································5
1 主要设表···································································································6
1.1 《建设项目环境保护管理条例》中华人民共和国国务院令第 253 号，1998
1.2 《建设项目环境保护设计规定》（87）国环字第 002 号文附件；
污水排放执行《污水综合排放标准》GB8978-1996：一类污染物低于表
m3。存在 COD、SS 等污染物超标问题。喷漆废水排放量为 10m3/月.次，主
存在 pH 值、COD、石油类超标问题。废乳化液排放量约为 2m3/d，废清洗
区连续排放的生活污水，主要污染物为 SS、CODcr、 BOD5、动植物
至破乳反应槽，向破乳槽内投加 CaCl2 和明矾进行盐析破乳，搅拌 10min，
凝剂 PAC 和助凝剂 PAM 进行絮凝，双螺杆喂料机反应时间为 30min，沉淀 2h 后撇除上
的 BOD 和 COD。生物接触氧化池出水进入混絮凝池中，投加絮凝剂（聚合
污水经以上治理后，能达到《污水综合排放标准》GB8978-1996：一类
污染物低于表 1 中允许排放浓度，二类污染物执行表 4 中一级标准。
污水处理站工艺设 39 台（套），安装容量 90kw，同时使用功率 75kw，
污水处理站工艺设投资估算为 200 万，电控系统投资估算为 60 万元。污
1 主要设计依据 ·························································································1
2 建设项目概况及设计目标······································································1
3 建筑及场地布置和物流规划采取的劳动安全卫生措施························2
4 主要职业安全措施设计··········································································3
5 主要职业卫生措施设计··········································································6
6 职业安全卫生机构 ·················································································8
7 职业安全卫生工程投资··········································································8
《工作场所有害因素职业接触限值 化学有害因素》 （GBZ2.1-2007）
工程方案设计，主要包括新建 2 号铸造车间、新建 2 号清理车间以及与车
可靠迅速，例如 2 号铸造车间的辅料采用气力输送，铸件从 2 号铸造车间
200m2,按规范应设计排烟系统。5t/h 电炉地下电气间的全面排风设
P-101a~b 选用通风/消防两用风机，其平时做为消除余热的通风风机通风，
不大于 1.0Ω。车间内配电系统采用 TN-S 制保护接地系统，其 PE 线与 N
并配有扶手，只能用钢直梯时，直梯 1.8m 以上设防护栏杆；2m 以上的操
· 2 号清理车间的清理工作间设除尘系统 2 台套，对大件打磨产生的
<粉尘净化处理（处理粉尘废气量为 00+00m3/h）。2 号清理车间的废
好地排除车间余热和废气，熔化工部设 7 台屋面通风器，造型工部设 8 台
本项目职业安全卫生工程投资约 1 万元，占本项目总投资的 5.6℅。
1 设计依据····································································································1
2 概况 ··········································································································1
3 总图部分消防设计 ···················································································2
4 建筑部分消防设计 ···················································································2
5 给排水部分消防设计 ···············································································3
6 暖通部分消防设计 ···················································································3
7 电气部分消防设计 ···················································································4
8 工艺部分消防设计 ···················································································4
9 消防数据汇总表 ·······················································································5
现有员工 300 人，其中专业技术人员 58 人。占地面积 7 万平方米，
建筑面积 3 万平方米，固定资产壹亿元人民币。现有一条德国 KW 气
生产率 60 型/h，设已趋老化，维修时间增多，运行效率降低，目前，造
优质铸件 8000 吨左右，铸件表面粗糙度可达 Ra6.3-25，精度可达 CT7-8。
本项目建设目标使铸件产量由现在的 6000 吨增加到 30000 吨，铸件机
加工能力由目前的 2000 吨增加到 10000 吨。该项目规划 2011 年建成，并通
新增区内各生产车间之间的间距为 17m~23.9m 不等。满足《建筑设计
钢筋混凝土框架结构。主体结构合理使用年限为 50 年，抗震设防烈度为 6
本工程总建筑面积为 18372m2，其中铸造车间总建筑面积为 12504m2，
散及管理需要，楼梯疏散宽度为 1620，疏散宽度指标根据规范要求按 1m/
3.7.4 条要求，车间疏散距离不限，车间人员疏散采用分散设置原则，保证
刷防火涂料，电炉周围柱外包敷不然材料；根据第 3.2.5 条、3.2.9 条规定，
消火栓用水量：室内 15/S,室外 25L/S，火灾延续时间按 2h 计算。
本期工程设 300m3 消防水池,消防加压泵房。另在职工宿舍屋顶设 10m3
室外消防管网设计为环状，管径为 DN200，室外消火栓间距不大于 120
6.1 新建的 2 号铸造车间和 2 号清理车间的火灾危险性分类为丁戊类。新
不大于 30m，各工部天窗排烟口面积大于所对应的各工部建筑面积的 2%。
6.2 2 号铸造车间熔化工部 5t/h 电炉电气间位于地下室,其面积＞200m2，按
规范应设计排烟系统，电炉电气间排风设 P-101a~b 选用通风/消防两用风
低压配电系统均采用 TN-S 制。PE 线引入建筑物处应按规程重复接地。
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