GB/T 21162-2007Conversion rule for specific heat consumption and throughput of concurrent - Flow grain dryer (English PDF)
顺流粮食干燥机单位耗热量与处理量折算规则
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 1, 2007
Implementation date
January 1, 2008
Scope
GB/T 21162-2007 is the English-translated version of 顺流粮食干燥机单位耗热量与处理量折算规则.
GB/T 21162-2007 is the Chinese standard "Conversion rule for specific heat consumption and throughput of concurrent - Flow grain dryer".
Its scope clause reads: The standard provides for downstream grain dryer unit heat consumption and the amount of processing terminology and symbols, standard conditions, field test strips Member, conversion coefficient table and conversion method.
Coefficients specified in this standard apply to three or more continuous downstream grain dryer under different conditions, dried corn, rice and wheat had The conversion process unit consumption of heat and the amount of processing. Its clauses include terms, definitions and symbols; standard conditions.
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Document preview — GB/T 21162-2007
National Standard of the People's Republic of China
- ICS
- 65.060.99
- Classification
- B 91
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 terms, definitions and symbols
- 3 1 standard conditions
- 4 Field Test conditions
- 5 conversion coefficients in Table
- 6 conversion method
- Appendix A (normative) Unit Energy Consumption Table 5 conversion coefficient Kr
- Appendix B (normative) process of conversion coefficient Kc Table
1 Scope
The standard provides for downstream grain dryer unit heat consumption and the amount of processing terminology and symbols, standard conditions, field test strips
Member, conversion coefficient table and conversion method.
Coefficients specified in this standard apply to three or more continuous downstream grain dryer under different conditions, dried corn, rice and wheat had
The conversion process unit consumption of heat and the amount of processing.
2 terms, definitions and symbols
The following terms and definitions apply to this standard.
2.1
Per unit time to a desired quality of wet grain moisture through the dryer once dried.
2.2
Per unit time through a hot air drying machine drying section nominal volume of air volume per unit volume of grain layer.
2.3
standard symbols used in the formula described in Table 1.
Table 1 Terminology and Symbols
Symbol Meaning Unit
Kc capacity conversion coefficient -
Kr unit conversion coefficient of heat consumption -
M1 food into the machine wet basis moisture content%
M2 extruder grain wet basis moisture content%
RH field test conditions Relative humidity%
Vp r hot air field test conditions the apparent wind speed m3/(m3 · s)
3 standard conditions
Grain dryer converted standard conditions shown in Table 2.
Table 2 converted grain dryers standard conditions
Food Category
Ambient temperature
Relative
Humidity RH /
Atmospheric Environment
Pa
Hot air temperature
The apparent wind speed hot air
Vp r /
[M3/(m3 · s)]
Wet grain into the machine base
Moisture M1 /
Extruder grain wet basis
Moisture M2 /
Corn 050101325120 0.4 20 15
Rice 107010132570 0.4 20 15
Wheat 207010132590 0.4 20 15 […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 138 pages — is available in the English PDF.
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