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GB 50736-2012 English PDF (GB50736-2012)

GB 50736-2012 English PDF (GB50736-2012)

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GB 50736-2012: Design code for heating ventilation and air conditioning of civil buildings

This code is formulated with a view to implementing the national technical and economic policies, rationally using resources and saving energy, protecting environment, promoting application of advanced technologies, and ensuring healthy and comfortable working and living environment during design for heating, ventilation and air conditioning of civil buildings.
GB 50736-2012
UDC
GB
NATIONAL STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
P GB 50736-2012
Design Code for Heating Ventilation and Air
Conditioning of Civil Buildings
ISSUED ON. JANUARY 21, 2012
IMPLEMENTED ON. OCTOBER 1, 2012
Jointly issued by. Ministry of Housing and Urban-Rural Development
(MHURD);
General Administration of Quality Supervision, Inspection
and Quarantine (AQSIQ) of PRC.
NATIONAL STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
Design Code for Heating Ventilation and Air Conditioning of
Civil Buildings
Chief Development Department.
Ministry of Housing and Urban-Rural Development of the People's Republic of China
Approval Department.
Ministry of Housing and Urban-Rural Development of the People's Republic of China
Implementation Date.
October 1, 2012
China Architecture and Building Press
2012 Beijing
Foreword
According to the requirements of Document Jian Biao [2008] No. 102 issued by the Ministry of Housing and Urban-Rural Development - "Notice on Printing and Publishing the Development and Revision Plan of National Engineering Construction Standards in 2008 (the first batch) ", this code is jointly developed by China Academy of Building Research and the organizations concerned.
During the preparation, this code was examined and finalized by the drafting group on the basis of wide investigation, earnestly summarizing practical experience and referring to relevant international standards and foreign advanced standards as well as extensively soliciting for opinions.
This code comprises 11 chapters and 10 appendixes, with the main technical contents as follows. general provisions, terms, indoor air design conditions, outdoor design conditions, heating, ventilation, air conditioning, heating & cooling source, monitor & control, noise reduction and vibration isolation, heat insulation and corrosion prevention. In this code, the provisions in bold type are compulsory and must be enforced strictly. The Ministry of Housing and Urban-Rural Development of the People's Republic of China is in charge of the administration of this code and the explanation of the compulsory provisions, and the China Academy of Building Research is responsible for the explanation of specific technical contents. During the process of implementing this code, the relevant opinions or advice, whenever necessary, can be posted or passed on to the heating, ventilation and air conditioning code drafting group of China Academy of Building Research (address. No. 30, North Third Ring East Road, Beijing, 100013, China).
Chief development organization of this code. China Academy of Building Research Participating development organizations of this code. Beijing Institute of Architectural Design
China Architecture Design and Research Group
National Meteorological Information Center
China Northeast Architectural Design & Research Institute Co., Ltd.
Tsinghua University
Shanghai Institute of Architectural Design & Research Co., Ltd.
East China Architectural Design & Research Institute
Shandong Provincial Architectural Design Institute
Harbin Institute of Technology
Tianjin Architects Design Institute
China Northwest Building Design Research Institute
China Southwest Architectural Design & Research Institute Co., Ltd.
Central-South Architectural Design Institute
Shenzhen General Institute of Architectural Design and Research
Tongji University
Tianjin University
Xinjiang Institute of Architectural Design and Research
Architectural Design Research Institute of Guizhou
China Construction Design International (Beijing)
Contents
1 General Provisions ... 8
2 Terms ... 9
3 Indoor Air Design Conditions ... 12
4 Outdoor Design Conditions ... 15
4.1 Outdoor Air Design Conditions... 15
4.2 Solar Irradiance in Summer ... 16
5 Heating ... 18
5.1 General Requirement ... 18
5.2 Heating Load Calculation ... 20
5.3 Radiator Heating ... 23
5.4 Hot Water Radiant Heating ... 24
5.5 Electric Heating ... 27
5.6 Gas-fired Infrared Heating ... 28
5.7 Unitary Gas Furnace Heating & Unitary Air Source Heat Pump Heating ... 28 5.8 Warm Air Curtain ... 29
5.9 Heating Pipeline Design and Hydraulic Calculation ... 29
5.10 Heat Metering and Temperature Control ... 32
6 Ventilation ... 34
6.1 General Requirement ... 34
6.2 Natural Ventilation ... 35
6.3 Mechanical Ventilation ... 36
6.4 Hybrid Ventilation ... 41
6.5 Equipment Selection and Layout ... 42
6.6 Duct Design ... 43
7 Air Conditioning ... 47
7.1 General Requirement ... 47
7.2 Cooling Load Calculation ... 50
7.3 Air Conditioning System ... 56
7.4 Space Air Diffusion ... 61
7.5 Air Handling ... 65
8 Heating & Cooling Source ... 69
8.1 General Requirement ... 69
8.2 Compression-type Water Chiller ... 71
8.3 Heat Pump ... 72
8.4 Lithium-bromide Absorption-type Water Chiller ... 75
8.5 Hot & Chilled Water System and Condensed Water System ... 76
8.6 Cooling Water System ... 82
8.7 Cold Storage and Thermal Storage ... 84
8.8 District Cooling ... 86
8.9 Combined Cool, Heat and Power ... 87
8.10 Chiller Plant Room ... 87
8.11 Boilers Room and Heat Transfer Machine Room ... 89
9 Monitor & Control ... 92
9.1 General Requirement ... 92
9.2 Transducer and Actuator ... 93
9.3 Monitor and Control of Heating and Ventilation System ... 95
9.4 Monitor and Control of Air Conditioning System ... 96
9.5 Monitor and Control of Heating & Cooling Source and Water System of Air Conditioning System ...

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