DB37/T 5047-2022 《低温热水地面辐射供暖工程技术规程》

山东省工程建设标准

DB37/TXXXX-2022JXXXX-2022

低温热水地面辐射供暖工程技术规程

Technicalspecificationforlowtemperature

hotwaterfloorradiantheatingengineering

2022-XX-XX发布2022-XX-XX实施

山东省住房和城乡建设厅

联合发布

山东省市场监督管理局

山东省工程建设标准

低温热水地面辐射供暖工程技术规程

Technicalspecificationforlowtemperature

hotwaterfloorradiantheatingengineering

DB37/TXXXX-2022

住房和城乡建设部备案号：JXXXXX-2022

批准部门：山东省住房和城乡建设厅

山东省市场监督管理局

施行日期：2022年XX月XX日

2022济南

山东省住房和城乡建设厅

山东省市场监督管理局

关于发布山东省工程建设标准

《低温热水地面辐射供暖工程技术规程》的通知

鲁建标字【2022】xx号

各市住房城乡建设局、市场监管局，各有关单位：

由山东省住房和城乡建设发展研究院和山东海筑暖通工程有限公司主编的《低温

热水地面辐射供暖工程技术规程》，业经审定通过，批准为山东省工程建设标准，编

号为DB37/TXXXX-2022，现予以发布，自20XX年XX月XX日起施行。原《低温热水

地面辐射供暖技术规程》DB37/T5047-2015同时废止。

本标准由山东省住房和城乡建设厅负责管理，由山东省住房和城乡建设发展研究

院负责具体技术内容的解释。

山东省住房和城乡建设厅

山东省市场监督管理局

2022年XX月XX日

前言

根据山东省住房和城乡建设厅、山东省市场监督管理局《关于印发２０２１年

山东省工程建设标准制修订计划的通知》（鲁建标字〔2021〕19号）的要求，规程

编制组经广泛调查研究，认真总结实践经验，参考有关国家标准和行业标准，并在

广泛征求意见的基础上，修订本规程。

本规程的主要技术内容是：1.总则；2.术语；3.设计；4.材料；5.施工；6.检

验调试及验收；7.运行与维护及有关附录。

本规程修订的主要技术内容是：

1.增加了干式地暖材料及施工等相关内容；2.增加了加热管、连接件、阀门安装

相关内容；3.调整了挤塑聚苯乙烯泡沫塑料板相关参数以及预制沟槽模块的抗压强度。

本规程由山东省住房和城乡建设厅负责管理，由山东省住房和城乡建设发展研

究院负责具体技术内容的解释。执行过程中如有意见或建议，请寄送山东省住房和

城乡建设发展研究院(地址：济南市市中区卧龙路128号，邮编：250004，电话：

0531-51765579，邮箱：sddfbz@126.com)。

本规程主编单位：山东省住房和城乡建设发展研究院

山东海筑暖通工程有限公司

本规程参编单位：山东建筑大学

山东施博格特种橡塑材料有限责任公司

山东栗驰昕合材料科技有限公司

山东省建设培训与执业资格注册中心

浙江伟星新型建材股份有限公司

济南贝斯特新型建材有限公司

济南惠泽新型建材有限公司

本规程主要起草人员：江香玉戴磊宗勇孙鲁军楚广明刘晓勇

刘萍鲁永贵崔艳秋王旭飞肖春国董传波

张云董传彦刘飏李超马晗孙成丽

刘会胜李南明吉孟银顾皓王挺张晓晶

王茂盛王志琪孙敏夏文杰刘征涯

本规程主要审查人员：李向东王峡王方琳李良波嵇飙孙海勇

李建林颜波刘倩

目次

1总则..................................................................................................................................................................1

2术语..................................................................................................................................................................2

3设计..................................................................................................................................................................3

3.1一般规定............................................................................................................................................3

3.2地面构造............................................................................................................................................4

3.3热负荷计算...........................................................................................................................................5

3.4地面散热量计算...................................................................................................................................6

3.5水系统设计...........................................................................................................................................7

3.6管道水力计算.......................................................................................................................................8

3.7温控与热计量.....................................................................................................................................10

4材料................................................................................................................................................................12

4.1一般规定.............................................................................................................................................12

4.2绝热层材料.........................................................................................................................................12

4.3填充层材料.........................................................................................................................................14

4.4水系统材料.........................................................................................................................................14

5施工................................................................................................................................................................15

5.1一般规定..........................................................................................................................................15

5.2绝热层铺设.........................................................................................................................................15

5.3加热管安装.........................................................................................................................................17

5.4填充层施工.....................................................................................................................................19

5.5面层施工..........................................................................................................................................19

5.6潮湿房间施工................................................................................................................................20

6检验、调试及验收........................................................................................................................................21

6.1一般规定.............................................................................................................................................21

6.2质量验收.............................................................................................................................................21

6.3水压试验.............................................................................................................................................23

6.4调试与试运行.....................................................................................................................................23

6.5竣工验收.............................................................................................................................................23

7运行与维护....................................................................................................................................................25

附录A不同类型辐射供暖地面构造做法.....................................................................................................26

附录B湿式地暖单位面积散热量.................................................................................................................28

附录C加热管的选择.....................................................................................................................................40

附录D管道水力计算.....................................................................................................................................44

附录E加热管管材物理力学性能..................................................................................................................51

附录F工程质量检验批检验表....................................................................................................................53

本规程用词说明...............................................................................................................................................54

引用标准名录...................................................................................................................................................55

条文说明........................................................................................................................................................56

CONTENTS

1GeneralProvisions·······································································································1

2Terms·······················································································································2

3Design······················································································································3

3.1GeneralRequirements···························································································3

3.2FloorStructure···································································································4

3.3CalculationofHeatLoad·······················································································5

3.4CalculationofFloorRadiationHeat··········································································6

3.5HydronicSystemDesign························································································7

3.6PipelineHydraulicCalculation·················································································8

3.7TemperatureControlandHeatMetering····································································10

4Material····················································································································12

4.1GeneralRequirements·························································································12

4.2MaterialsofInsulatingLayer·················································································12

4.3MaterialsofFillerLayer·······················································································14

4.4MaterialsandDevicesofPipeSystems·····································································14

5Construction·············································································································15

5.1GeneralRequirements·························································································15

5.2LayingofHeatInsulationlayer··············································································15

5.3InstallationofHeatingPipe····················································································17

5.4ConstructionofFillingLayer·················································································19

5.5ConstructionofSurfaceLayer················································································19

5.6ConstructionofDampRoom··················································································20

6Inspection,AdjustmentandAcceptance··············································································21

6.1GeneralRequirements·························································································21

6.2QualityAcceptance·····························································································21

6.3WaterPressureTest·····························································································23

6.4CommissioningandPre-operation···········································································23

6.5ConstructionAcceptance·······················································································23

7OperationandMaintain·································································································25

AppendixASchematicDiagramofHeatingFloorStructure························································26

AppendixBHeatDissipationPerUnitAreaofGroundforWetFloorHeating··································28

AppendixCChoiceofHeatingPipeMaterials·······································································40

AppendixDHydraulicCalculationofPlasticPipeandAluminumPlasticCompositePipe···················44

AppendixEPhysicalPropertiesofHeatingPipe····································································51

AppendixFChecklistofConstructionQuality·······································································53

ExplanationofWordinginthisStandard············································································54

ListofQuotedStandards·································································································55

ExplanationofProvisions·······························································································56

1总则

1.0.1为规范低温热水地面辐射供暖工程的应用，做到技术先进、安全适用，经济合理，保证工程

质量，制定本规程。

1.0.2本规程适用于工业与民用建筑以热水为热媒的地面辐射供暖工程。

1.0.3低温热水地面辐射供暖工程的设计、施工和验收等，除应符合本规程外，尚应符合国家和山

东省现行有关标准的规定。

1

2术语

2.0.1低温热水地面辐射供暖lowtemperaturehotwaterfloorradiantheating

以温度不高于60℃的热水为热媒，在加热管内循环流动，加热地板，通过地面以辐射和对流

的传热方式向室内供热的供暖方式。

2.0.2湿式地暖wetunderfloorheating

加热管敷设在绝热层之上，以现场湿作业方式填充混凝土或厚层自流平后，再铺设地面面层的

地面辐射供暖形式。

2.0.3干式地暖dryunderfloorheating

采用预制沟槽保温板、凸点式地暖保温模块或预制轻薄供暖板干法铺设、现场无湿作业的地面

辐射供暖形式。

2.0.4加热管heatingpipe

用于进行热水循环并加热辐射表面的管道。

2.0.5分集水器manifold

低温热水地面辐射供暖系统中，用于连接各分支环路的配水及汇水装置。

2.0.6混水装置watermixingdevice

将热源的一部分高温供水和低温回水进行混合，获得系统所需供水温度的装置。

2.0.7输配管distributionpipe

预制轻薄供暖板干式地暖中，安装于分集水器和预制轻薄供暖板分集水装置之间，起到中间输

配作用的管道。

2.0.8面层surfacelayer

建筑地面与室内空气直接接触的构造层。

2.0.9找平层towelinglayer

在垫层或楼板面上进行抹平的构造层。

2.0.10隔离层isolatinglayer

防止建筑地面上各种液体透过地面的构造层。

2.0.11填充层fillerlayer

湿式地暖中，位于绝热层上部，由混凝土或厚层自流平构成，起到保护加热管并使地面温度均

匀的构造层。

2.0.12绝热层insulatinglayer

2

现场单独铺设、用于阻挡热量传递，减少无效热损失的构造层，不含干式地暖的预制保温模块。

2.0.13防潮层moistureproofinglayer

防止建筑地基或楼层地面下潮气透过地面的构造层。

2.0.14均热层heatdistributionplates

采用预制沟槽保温板供暖地面时，铺设在加热管的下面或者上面、或者上下均铺设，可使加热

管产生的热量均匀散开的金属板或金属箔。

2.0.15伸缩缝expansionjoint

补偿混凝土填充层和面层等膨胀或收缩用的构造缝。分为填充式伸缩缝、面层伸缩缝。

2.0.16均压板averagepressureboard

用于干式地暖中起到平均分配承重压力的平板材料，可作为面层使用。

2.0.17填充板blindboard

干式地暖中，与预制沟槽保温板或预制轻薄供暖板的保温基板的材质和厚度相同，用于敷设输

配管和填充房间内未铺设供暖板部位的板材。

2.0.18预制沟槽保温板pre-groovedinsulationboard

工厂预制，用于现场拼装敷设加热管，带有固定间距和尺寸沟槽的聚苯乙烯泡沫塑料或其他保

温材料制成的保温板。

2.0.19凸点式地暖保温模块convexpointtypefloorheatingandinsulationmodule

由聚苯乙烯塑料注塑成型，利用均匀分布的凸点固定加热管的模块式干式地暖保温板。

2.0.20预制轻薄供暖板precastlightheatingboard

由保温基板、支撑木龙骨、塑料加热管、粘接胶、铝箔、配水和集水等装置组成，并在工厂制

作的一体化地面供暖部件。

2.0.21电热式控制阀electricalthermalactuatingvalve

由阀体和电热执行器组成、利用执行器内被电加热的温包膨胀产生的推力推动阀杆动作从而调

节阀门开度的阀门。

2.0.22自力式温控阀thermostatvalve

可设定温度，无需外界动力，通过温包感应室温产生自力式动作调节水流量控制室温恒定的阀

门。

3

3设计

3.1一般规定

3.1.1低温热水地面辐射供暖系统的供、回水温度应由计算确定，民用建筑供水温度宜采用

35℃～45℃，供回水温差不宜大于10℃且不宜小于5℃，供暖管道设计工作年限应达到50年。

3.1.2地表面平均温度计算值应符合表3.1.2的规定。

表3.1.2地表面平均温度（℃）

区域特征适宜范围最高限值

人员经常停留区25～2729

人员短期停留区28～3032

无人停留区35～4042

3.1.3低温热水地面辐射供暖系统的工作压力，不应大于0.8MPa。

3.1.4低温热水地面辐射供暖热媒的温度、流量和资用压差等参数，应同热源系统相匹配；热源系

统应设置相应的控制装置。

3.1.5热媒温度超过60℃时，应在供暖热力入口或在室内供暖系统入户之前设置混水装置或换热

装置。

3.1.6地面上的固定设施或卫生器具下方，不应布置供暖管道。

3.1.7干式地暖找平层宜在结构层上采用自流平地面找平技术。

3.1.8房间内的生活冷热水及其他管线，不应与预制沟槽保温板内的加热管在同一沟槽内敷设。

3.2地面构造

3.2.1辐射地面的构造做法应根据其设置位置确定，不同类型辐射供暖地面构造做法可按本规程

附录A选用。辐射地面的构造应包括：

1面层；

2隔离层（对潮湿房间）；

3填充层；

4加热管；

5绝热层；

6防潮层（与下部土壤相邻地面）；

7楼板或地面。

3.2.2为减少供暖地面的热损失，直接与室外空气接触的楼板、与不供暖房间相邻的地板应设置

4

绝热层。

3.2.3辐射供暖地面构造应符合下列规定：

1当与土壤接触的底层地面作为辐射地面时，应设置绝热层。设置绝热层时，绝热层与土壤

之间应设置防潮层；

2潮湿房间的湿式地暖的填充层上、干式地暖的面层下，应设置隔离层。

3.2.4绝热层宜采用挤塑聚苯乙烯泡沫塑料板；其热阻和厚度应符合表3.2.4的规定。

表3.2.4挤塑聚苯乙烯泡沫塑料板绝热层热阻和厚度

绝热层位置绝热层热阻(㎡•K/W)厚度（mm）

楼层之间地板上≥0.67≥20

与室外空气相邻的地板上≥1.33≥40

与不供暖房间相邻的地板下≥1.00≥30

注：绝热层热阻按表4.2.3-3中平均温度25℃、030级挤塑聚苯乙烯泡沫塑料板计算。

3.2.5湿式地暖地面的加热管填充层和面层构造应符合下列规定：

1挤塑聚苯乙烯泡沫塑料板作为绝热层时，填充层采用细石混凝土，厚度不宜小于50mm，

上部铺设Φ4mm×100mm×100mm的钢丝网片；

2细石混凝土填充层上部应根据面层的需要敷设找平层。

3.2.6预制沟槽保温板辐射供暖地面直接铺设木地板面层时，宜采用含有均热层的保温板。

3.2.7采用预制沟槽保温板时，输配管应敷设在预制沟槽保温板中。

3.2.8辐射供暖的地面荷载不应大于供暖地面的设计承载能力。

3.3热负荷计算

3.3.1辐射供暖房间热负荷应按照现行国家标准《民用建筑供暖通风及空气调节设计规范》GB

50736和现行国家标准《工业建筑供暖通风与空气调节设计规范》GB50019的有关规定进行计算。

3.3.2计算全面辐射供暖系统的热负荷时，室内计算温度的取值可比对流供暖系统的室内计算温度

低2℃。

5

3.3.3局部辐射供暖系统的热负荷应按全面辐射供暖的热负荷乘以计算系数的方法确定，计算系数

可按表3.3.3选取。

表3.3.3局部辐射供暖系统热负荷计算系数

供暖区面积与房间

K≥0.75K=0.55K=0.40K=0.25K≤0.20

面积的比值K

计算系数10.720.540.380.30

3.3.4进深大于6m的房间，宜以距外墙6m为界分区，分别计算热负荷和进行管线布置。

3.3.5敷设加热管的建筑地面，不应计算地面的传热损失。

3.3.6采用地面辐射供暖的房间(不含楼梯间)高度大于4m时，应在基本耗热量和朝向、风力、外

门附加耗热量之和的基础上，计算高度附加率。每高出1m应附加1%，但最大附加率不应大于

8%。

3.3.7采用分户热计量或分户独立热源的辐射供暖系统，应考虑间歇运行并计算户间传热负荷。

3.4地面散热量计算

3.4.1单位地面面积的散热量应按下列公式计算：

（）

qqfqd3.4.1-1

44

q5108t273t273（3.4.1-2）

fpjfj

0.31（）

qd2.13tpjtn3.4.1-3

式中：q——单位地面面积的散热量（W/m²）；

qf——单位地面面积辐射传热量（W/m²）；

qd——单位地面面积对流传热量（W/m²）；

tpj——地表面平均温度（℃）；

tfj——室内非加热表面的面积加权平均温度（℃）；

tn——室内计算温度（℃）。

3.4.2湿式地暖地面向上供热量和向下传热量应通过计算确定。当辐射供暖地面与供暖房间相邻时，

其单位地面面积向上供热量和向下传热量可按本规程附录B确定。

3.4.3干式地暖表面向上供热量以及向下传热量应按产品检测数据确定。

3.4.4房间所需单位地面面积向上供热量应按下列公式计算:

Q1

q1(3.4.4-1)

Fr

6

Q1QQ2(3.4.4-2)

2

式中：q1—房间所需单位地面面积向上供热量（W/m）；

Q1—房间所需地面向上的供热