机制排烟气道系统应用技术标准规程征求意见稿样本.docx
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机制排烟气道系统应用技术标准规程征求意见稿样本
机制排烟气道系统应用技术标准规程征求意见稿
住房和城乡建设部备案号：
J×××××-20**DB
重庆市工程建设标准
DBJ50/T-×××-20**
机制排烟气道系统应用技术规程
Mechanismofexhaustfluegassystemapplicationprocedures
（征求意见稿）
20**-**-发布20**-**-**实施
重庆市城乡建设委员会发布
重庆市工程建设标准
机制排烟气道系统应用技术规程
Mechanismofexhaustfluegassystemapplicationprocedures
（征求意见稿）
DBJ50/T-×××-20**
主编单位：
重庆市建设技术发展中心
重庆市建设工程质量监督总站
批准部门：
重庆市城乡建设委员会
施行日期：
20XX年XX月XX日
2014年重庆
前言
根据重庆市城乡建设委员会《关于下达重庆市工程建设标准制定修订项目计划（第三批）的通知》（渝建[2013]549）号的要求，重庆市建设技术发展中心、重庆市建设工程质量监督总站会同有关单位经过广泛征求有关科研、设计、施工、生产管理等单位的意见，结合我市建筑排烟气道系统应用于建筑工程的设计、安装和验收经验的基础上，并参考了国内外及其他省市的相关标准编制而成的。
本规程的主要内容是：
总则、术语、基本规定、材料、设计、施工、验收。
本规程由重庆市城乡建设委员会负责管理，由重庆市建设技术发展中心负责具体技术内容解释。
在本规程的实施、应用过程中，希望各单位注意收集资料，总结经验，并将需要修改、补充的意见和有关资料交重庆市建设技术发展中心标准科（重庆市渝中区上清寺路69号7楼，邮编：
400015，电话：
63601374，传真：
63861277，网址：
）。
以便今后修订时参考。
主编单位：
重庆市建设技术发展中心
重庆市建设工程质量监督总站
参编单位：
中建五局
重庆大学
核工业西南勘察设计研究院有限公司
重庆市继兴工程监理有限公司
重庆市建筑科学研究院
重庆市建标工程技术有限公司
重庆市机制排烟气道专委会
主要起草人：
赵辉、徐惦耕、谢厚礼、张智强、唐国顺、仝庆贵、李成芳、
刘宏斌、文先琪、刘静、陈杰、陈红霞、黄然、吴德礼、黄庆
丰、傅利
主要审查人：
目次
1总则········································································1
2术语········································································2
3基本规定····································································3
4材料········································································4
排烟气道······························································4
·····························································5
·······························································6
5设计········································································7
一般规定······························································7
·······························································7
·····························································8
·······························································8
进气口································································9
6施工·······································································10
······························································10
··························································11
························································11
··························································11
7验收·······································································12
······························································12
······························································13
······························································13
附录A:
检验批质量验收记录···············································15
表A-1:
排烟气道管体制作检验批质量验收记录···························15
表A-2:
排烟气道配件制作检验批质量验收记录····························16
表A-3:
排烟气道排风系统安装检验批质量验收记录························17
表A-4:
排烟气道系统试验检验批质量验收记录····························18
附录B:
排烟气道系统工程隐蔽检查记录表···································19
表D-1:
排烟气道分项工程质量验收记录·································21
表D-2:
分部（子分部）工程质量验收记录·································22
附录E:
排烟气道系统各部件构造图··········································23
本规程用词说明·······························································26
引用标准名录·································································27
1总则·······································································30
2术语·······································································31
3基本规定···································································32
4材料···································································32
排烟气道·····························································32
····························································32
······························································33
5设计·······································································33
一般规定·····························································33
······························································33
····························································34
······························································34
进气口·······························································34
6施工·······································································35
······························································35
··························································35
························································36
··························································36
7验收·······································································36
······························································36
······························································36
······························································37
Contents
1Generalprovisions·······················································1
2Terms···································································2
3BasicRequirements······················································3
4material································································4
7acceptance······························································12
AppendixA：
Inspectionqualityacceptanceofthebatchrecord············15
TableA-1:
Exhaustgaspipelinesystemforinspectionofqualityinspectionrecord·······································································15
TableA-2:
Exhaustgasfittingsproductioninspectionqualityacceptanceofthebatchrecord··························································16
TableA-3:
Exhaustfumeexhaustsysteminstallationinspectionqualityacceptanceofthebatchrecord···············································17
TableA-4:
Rowoffluegassystemtestinspectionqualityacceptanceofthebatchrecord·································································18
AppendixB:
Rowoffluegassystemengineeringhiddeninspectionrecord·······································································19
AppendixC:
Rowoffluegassystemacceptancerecordinformationsystem·······································································20
AppendixD:
Disciplines,subbranchengineeringqualityinspectionrecords······································································21
TableD-1:
Exhaustgascomponentprojectqualityacceptancerecord·······································································21
TableD-2:
Division（abranch）projectqualityacceptancerecord·······································································22
AppendixE:
Mechanismofexhaustfluegassystemstructurediagram······································································23
Addition：
Explanationofprovisions··································37
1总则
，保证建筑排烟气道工程质量，使建筑排烟气道系统满足安全、适用、经济等性能要求，制定本规程。
、扩建、改建工程的厨房、卫生间机制排烟气道系统的材料、设计、施工及验收。
，尚应符合国家现行有关标准的规定。
2术语
ventilatingductssystemforkitchenandbathroom
用以降低室内空气污染，把建筑厨房炊事活动产生的油烟气或卫生间浊气集中高空稀释排放，并具有防止烟气倒灌、窜烟窜味功能，起隔烟阻火作用的排烟气系统。
由抽油烟机（排风机）、排烟气道、防火止回阀、防回流装置、屋顶风帽等组成。
duct
采用成套先进的机械生产设备生产的用于排除厨房炊事活动产生的烟气或卫生间浊气的管道制品。
resistingcheckdamper
安装在厨房抽油烟机或卫生间排风机后端至具有相应耐火等级的共用排烟气道进口处，并在规定时间内能满足耐火性能要求，起隔烟阻火作用的阀门。
hood
安装在屋顶辅助排除废气，并能够防止风、雨雪等倒灌进入排烟气道内的装置。
Totakeovertheset
连接上下两节排烟气道的管芯，防止烟气通过排烟气道接缝错位及泄漏。
Airinlet
排烟气道的进气部位。
支管branch
连接排烟气道与油烟机或排风机之间的管道。
Nominaloperatingtemperature
按使用环境条件，将感温元件规定在一个确定值下能工作的温度，即防火阀门起防火功能作用的起始温度。
material
能够密封排烟气道的结构缝隙，满足一定耐火性能要求的不燃烧材料。
3基本规定
、防火止回阀、屋顶风帽等构配件的物理力学性能和防火性能应符合国家现行相关标准的规定。
建筑排烟气道系统的通风性能应符合下列规定：
1建筑厨房排烟气道每户排风量不应小于300m3/h，不大于500m3/h，且应防火、不倒灌。
2建筑卫生间排烟气道每户排风量不应小于80m3/h，不大于100m3/h，且应防火、不倒灌。
3公共建筑排烟气道排风量由设计明确。
烟气或卫生间浊气集中高空稀释排放，并具有防________________________________________________________________________________________________
。
建筑排烟气道生产企业应出具产品出厂合格证。
《建筑工程质量验收规范》GB50300的规定，并执行本标准。
4.材料
：
1，其性能应符合《通用硅酸盐水泥》GB175的规定，增强材料应使用22#～26#，×，其性能应符合《镀锌电焊网》QB/T3897的规定；耐碱玻璃纤维网格布网孔尺寸宜为10mm×10mm，其性能应符合《耐碱玻璃纤维网格布》JC/T841的有关规定。
2轻骨料的性能及所配制的轻骨料混凝土密度等级应符合《轻骨料混凝土技术规程》JGJ51的规定，其粒径应不大于排烟气道管壁厚的1/3。
3砂应符合《建筑用砂》GB/T14684的有关规定。
4外加剂应符合《混凝土外加剂》GB8076的规定。
5允许采用耐腐蚀、耐老化、耐潮湿、耐久性与建筑物同寿命并符合防火及环保规定的化学建材或其它轻质材料。
排烟气道的外形宜为矩形，。
排烟气道规格尺寸
编号
型号
长a
mm
宽b
mm
高H
mm
壁厚HO
mm
毛截面积
㎡
A
A-1
300
250
2800
3000
15
0.0750
A-2
400
300
2800
3000
15
0.1200
A-3
500
350
2800
3000
15
0.1750
A-4
500
400
2800
3000
15
0.2000
A-5
550
450
2800
3000
15
0.2475
A-6
600
500
2800
3000
15
0.3000
B
B-1
300
250
2800
3000
15
0.0750
B-2
400
300
2800
3000
15
0.1200
B-3
500
350
2800
3000
15
0.1750
注：
1A型为厨房用，B型为卫生间用。
2其他规格由供需双方协商确定。
：
1。
排烟气道外观质量
项目
技术要求
试验方法
表面质量
应平整，无麻面、蜂窝、空洞
JG/T194
裂纹
不允许有裂纹
内壁交界处
宜为圆角或倒角
端面
应无飞边
2有下列情况的排烟气道允许修补：
a.每侧壁面的麻面、蜂窝不应超过两处，㎡；
b.端面碰损，排烟气道外壁损坏纵深度不应超过50mm，宽度不应超过100mm。
：
。
排烟气道尺寸允许偏差
项目
单位
允许偏差
试验方法
长度
mm
0，-9
JG/T194
壁厚
mm
0，+4
断面外
轮廓尺寸
a
mm
+2，-3
b
mm
+2，-3
截面对角线差值
mm
±7
垂直度
/
H/400
平整度
mm
±7
注：
H为排烟气道制品长度。
：
排烟气道物理力学性能及耐火极限
项目
单位
技术要求
试验方法
垂直承载力
kN
≥90
JG/T194
抗柔性冲击
/
5次，不开裂
耐火极限
h
≥1.0
排油烟气防火止回阀的外壳应采用不锈钢板或经防锈喷涂的Q235冷轧钢板制作，其他制作材料应符合《排油烟气防火止回阀》GA/T798的规定。
排油烟气防火止回阀的规格尺寸和外观质量应符合下列规定：
1防火止回阀外接口尺寸：
厨房≥150mm，卫生间≥80mm。
2防火止回阀的各零部件表面应平整，不允许有裂缝、压坑及明显的凹凸、锤痕、毛
刺、空洞等缺陷。
3除不锈钢外，防火止回阀和零部件表面均应进行防腐、防锈处理，经处理后的表面应光滑、平整、镀层、涂层应牢固，不允许有起泡、剥落、开裂以及漏漆、流痕、皱纹等缺陷。
排油烟气防火止回阀的主要性能除应符合下列规定外，还应符合《排油烟气防火止回阀》GA/T798的规定：
1感温元件动作温度应符合下列规定
a、厨房：
140℃±2℃，5分钟内部应不动作，156℃±2℃，1分钟内应动作。
b、卫生间：
65℃±2℃，5分钟内部应不动作，73℃±℃，1分钟内应动作。
2防火止回阀严密性应符合《建筑通风效果测试与评价标准》JGJ/T309的规定，应无倒灌，阀片在150pa±15Pa负压差时，反向漏风量应为零。
3厨房用止回阀在开启压力为80Pa时，阀片应能达到完全开启，最大开启角度应不小于60°；卫生间止回阀在开启压力为25Pa时，阀片开启角度应不小于最大开启角度的90%。
排油烟气防火止回阀的性能试验方法应按《排油烟气防火止回阀》GA/T798的规定执行。
～10mm间距100mm的双向钢筋现浇。
：
1无动力风帽应采用不锈钢及铝合金制作的无动力风帽，其材质应分别符合《不锈钢热轧钢板》GB/T4237、《不锈钢冷轧钢板》GB/T3280和《铝及铝合金轧制板材》GB/T3880的规定。
2负压式屋顶防风帽应采用不锈钢制作，其不锈钢应符合《不
升级会员 