GB/T 38678-2020General technical requirements for shallow geothermal energy utilization (English PDF)
浅层地热能利用通用技术要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 31, 2020
Implementation date
October 1, 2020
Scope
GB/T 38678-2020 is the English-translated version of 浅层地热能利用通用技术要求.
GB/T 38678-2020 is the Chinese standard "General technical requirements for shallow geothermal energy utilization".
Its scope clause reads: This standard specifies the basic principles of utilizing shallow geothermal energy based on heat pump technology, the investigation and evaluation of shallow geothermal energy resources, engineering design Technical requirements for planning, operation monitoring and environmental protection.
This standard is applicable to the investigation and evaluation, design and operation of building heating/cooling projects based on heat pump technology using shallow geothermal energy management. Its clauses include terms and definitions.
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Document preview — GB/T 38678-2020
National Standard of the People's Republic of China
- ICS
- 27.010
- Classification
- F 04
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 Shallow geothermal energy
- 3.2 Water-source heat pump unit
- 3.3 Ground source heat pump system
1 Scope
This standard specifies the basic principles of utilizing shallow geothermal energy based on heat pump technology, the investigation and evaluation of shallow geothermal energy resources, engineering design
Technical requirements for planning, operation monitoring and environmental protection.
This standard is applicable to the investigation and evaluation, design and operation of building heating/cooling projects based on heat pump technology using shallow geothermal energy management.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB/T 19409 Water (ground) source heat pump unit
GB 50015 Building Water Supply and Drainage Design Code
GB 50019 Industrial Building Heating Ventilation and Air Conditioning Design Code
GB 50366 Technical Specification for Ground Source Heat Pump System Engineering
GB 50736 Design Code for Heating, Ventilation and Air Conditioning of Civil Buildings
CJJ138 Technical Specification for Urban Geothermal Heating Engineering
DZ/T 0225 Shallow geothermal energy exploration and evaluation specification
NB/T 10097 Geothermal Energy Terminology
3 Terms and definitions
The terms and definitions defined in GB/T 19409, GB 50366, NB/T 10097 and the following apply to this document. For ease of use,
The following repeatedly lists some terms and definitions in GB/T 19409, GB 50366, NB/T 10097.
3.1 Shallow geothermal energy
Within a depth of.200m from the surface to the ground, the temperature stored in the water body, soil body, and rock is lower than 25 °C, which can be improved by using heat pump technology.
Take geothermal energy for heating or cooling of buildings.
[NB/T 10097-2018, definition 2.1.6]
3.2 Water-source heat pump unit
A kind of water or well water, lake water, river water, sea water or domestic sewage and industrial waste water or common pipeline that flows in buried pipes in circulation
Water is the source of cold (heat), equipment for making cold (hot) wind or cold (hot) water.
Note. The "water" of the water source heat pump also includes "saline" or fluids of similar functions (such as "ethylene glycol aqueous solution"), depending on the heat source fluid used by the unit.
[GB/T 19409-2013, definition 3.1]
3.3 Ground source heat pump system
Using rock and soil, groundwater or surface water as the low-temperature heat source, it is composed of water source heat pump unit, geothermal energy exchange system, and system in the building.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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