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Conversion rule for specific heat consumption and throughput of concurrent -- Flow grain dryer
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GB/T 21162-2007
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Basic data | Standard ID | GB/T 21162-2007 (GB/T21162-2007) | | Description (Translated English) | Conversion rule for specific heat consumption and throughput of concurrent -- Flow grain dryer | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B91 | | Classification of International Standard | 65.060.99 | | Word Count Estimation | 170,185 | | Date of Issue | 2007-11-01 | | Date of Implementation | 2008-01-01 | | Regulation (derived from) | China National Standard Approval Announcement2007 No.12 (Total No.112) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard provides for downstream grain dryer unit heat consumption and the amount of processing terminology and symbols, standard conditions, field test conditions, conversion coefficient table and conversion methods. Factor in this standard apply to three or more continuous downstream grain dryer drying corn under different conditions, rice and wheat in the process of conversion of heat consumption and processing unit volume. | GB/T 21162-2007: Conversion rule for specific heat consumption and throughput of concurrent -- Flow grain dryer
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Conversion rule for specific heat consumption and throughput of concurrent. Flow grain dryer
ICS 65.060.99
B91
National Standards of People's Republic of China
Downstream grain dryer heat consumption and the amount of processing units
Conversion Rules
Posted 2007-11-01
2008-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 terms, definitions and symbols 1
3 1 standard conditions
4 Field Test conditions 2
5 conversion coefficients in Table 2
6 conversion method 2
Appendix A (normative) Unit Energy Consumption Table 5 conversion coefficient Kr
Appendix B (normative) process of conversion coefficient Kc Table 86
Foreword
The Standard Annexes A and B are normative appendix.
The standard proposed by China Machinery Industry Federation.
This standard by the National Standardization Technical Committee of agricultural machinery.
This standard is drafted by. Ministry of Agriculture, drying machinery Quality Supervision and Testing Centre.
Participated in the drafting of this standard. the Ministry of Agriculture Planning and Design Institute.
The main drafters of this standard. Yin Xiaohui, Panjiu Jun, Xing Zuo group Xieqi Zhen, Hai-Jun Chen, Helnwein record, Wang Yinan, in Shu-Fang.
This standard was first formulated.
Downstream grain dryer heat consumption and the amount of processing units
Conversion Rules
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
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