GB/T 29148-2012Technical code for energy saving of greenhouses (English PDF)
温室节能技术通则
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2012
Implementation date
October 1, 2013
Scope
GB/T 29148-2012 is the English-translated version of 温室节能技术通则.
GB/T 29148-2012 is the Chinese standard "Technical code for energy saving of greenhouses". Its scope clause reads: This standard specifies requirements for the design of energy-efficient greenhouse, greenhouse run energy management requirements and evaluation parameters greenhouse energy saving performance.
This standard applies to farming greenhouse construction, expansion, renovation project design and production management. Its clauses include terms and definitions; greenhouse energy-saving design requirements.
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Document preview — GB/T 29148-2012
National Standard of the People's Republic of China
- ICS
- 65.040.30
- Classification
- B 91
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Greenhouse energy-saving design requirements
1 Scope
This standard specifies requirements for the design of energy-efficient greenhouse, greenhouse run energy management requirements and evaluation parameters greenhouse energy saving performance.
This standard applies to farming greenhouse construction, expansion, renovation project design and production management.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 23393 Horticulture engineering terminology
JB/T 10297-2001 greenhouse heating system design specifications
JB/T 10594 plastic greenhouses and solar greenhouse structure and performance requirements
NYJ/T 07 solar greenhouse construction standards
NY/T 1831 greenhouse covering material insulation properties measurement method
3 Terms and Definitions
GB/T 23393 and defined by the following terms and definitions apply to this document.
3.1 Greenhouse cover layer
Greenhouse envelope inside and outside the transparent cover and secondary coverage insulation, pest control, shading (Yang) and other materials. The former mainly cover layer, and the balance
Additional cover layer.
3.2 Heat saving rate
After greenhouse energy-saving measures, the heat loss values and take a percentage of the value of the loss of heat energy saving measures before the reduction.
3.3 Ground heat exchange system
By means of forced ventilation, air temperature in the greenhouse during the day into the ground, the heat accumulated in the soil, and then at night the heat accumulated
Derived from the ground for heating greenhouses heat exchange system.
3.4 Heat recovery ventilation system
When winter greenhouse ventilation by using exhaust heat exchanger inlet air heat recovery heat utilization system.
4 Greenhouse energy-saving design requirements
4.1 Architectural Design
4.1.1
Greenhouse site should be considered a good winter light conditions, sunny leeward, and no tall buildings around the block, no dust pollution areas.
4.1.2
Greenhouse toward selection should be combined with the local geographical latitude and the prevailing wind, in order to help increase the amount of greenhouse light transmission, reduce indoor shaded area […]
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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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