GB/T 38705-2020 in English
VALIDClassification and basic requirements for urban heat supply facilities operation safety information
- Issued on:2020-03-31
- Implemented on:2021-02-01
- File Format:PDF
- Delivery:Via email within 5 business days
Price(USD)：
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$330.00
$330.00
| Standard No: | GB/T 38705-2020 |
| Document status: | VALID |
| Title in English: | Classification and basic requirements for urban heat supply facilities operation safety information |
| Title in Chinese: | 城镇供热设施运行安全信息分类与基本要求 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2020-03-31 |
| Implemented on: | 2021-02-01 |
| ICS Classification: | 91.140.10-Central heating systems |
| Chinese Classification: | P46-Heat supply and heating engineering |
| Professional Classification: | GB-National Standard |
| Related Topics: | town
heating town heating Heat network heater GBT38705 GB/T 38705-2020 Category Town heating system signs |
《GB/T 38705-2020城镇供热设施运行安全信息分类与基本要求》由TC455（全国城镇供热标准化技术委员会）归口，主管部门为住房和城乡建设部。
Introduction
Standard Core Framework
| Module | Information Category | Key Elements | Related Appendix |
|---|---|---|---|
| Facility Information | Heat Source/Heat Network/Heat Station/Heat User | Design Parameters, Equipment Specifications, Ownership Relationship | Appendix A/B/C/D |
| Hazard Information | Basic Information/Investigation and Disposal | 4-Level Classification Code, Disposal Time Limit Requirements | Appendix E/F |
| Emergency Information | Plan/Accident Disposal | Response Process, Equipment and Personnel Configuration | Appendix G/H |
Technical Evolution Characteristics
This standard establishes for the first time a four-dimensional coding system for heating safety information (management/equipment/personnel/environment). Compared with the CJJ/T 88-2014 operation and maintenance regulations, the following are added:
- Digital identification system for hidden dangers (LDLDDDD seven-digit coding structure)
- Requirements for hierarchical management of heat users (civilian/industrial differentiated fields)
- Coupling mechanism with GB/T 29639 emergency plan standard
Key Implementation Points
1. Specifications for the collection of heat source information
Records are required
| Equipment type | Required parameter | Safety threshold |
|---|---|---|
| Circulating water pump | Bearing temperature, vibration amplitude | ≤65℃/≤4.5mm/s |
| Gas pressure regulating device | Inlet and outlet pressure difference | ≤0.2MPa |
2. Hidden danger classification and disposal
Major hidden danger judgment standard:
- Heating shutdown for disposal
- Affected area＞50,000㎡
- Disposal time＞24 hours
Typical application cases
Implementation results of a thermal power group:
- Through the early warning of standard code 210115 (oxygen content in coal powder storage tanks), three explosion accidents were avoided
- The hidden danger rectification rate increased by 42% by using the disposal tracking table in Appendix F
- Based on the 2203 code to standardize the confined space operation process, zero casualties were achieved
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