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NY/T 646-2002: Quality appraising standard for screw conveyer
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| NY/T 646-2002 | English | 319 |
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Quality appraising standard for screw conveyer
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NY/T 646-2002
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Basic data | Standard ID | NY/T 646-2002 (NY/T646-2002) | | Description (Translated English) | Quality appraising standard for screw conveyer | | Sector / Industry | Agriculture Industry Standard (Recommended) | | Classification of Chinese Standard | B91 | | Classification of International Standard | 65.060 | | Word Count Estimation | 9,95 | | Date of Issue | 2002-12-30 | | Date of Implementation | 2003-03-01 | | Summary | This standard specifies the screw conveyor product quality indicators, test methods and inspection rules. This standard applies to horizontal, inclined and vertical continuous and uniform delivery of food, seeds, loose materials and granular materials and other mobile and stationary conveyor product quality evaluation, test evaluation, and product quality supervision inspection. | NY/T 646-2002: Quality appraising standard for screw conveyer---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Quality appraising standard for screw conveyer
ICS 65.060
B91
People's Republic of China Agricultural Industry Standard
Screw conveyor quality evaluation specification
Released on December 12,.2002
2003-03-01 implementation
Published by the Ministry of Agriculture
Foreword
This standard was proposed by the Agricultural Bureau of the Ministry of Agriculture.
This standard was drafted. Quality Supervision, Inspection and Testing Center of Drying Machinery and Equipment of the Ministry of Agriculture, Quality Supervision of Agricultural Products Processing Machinery of the Ministry of Agriculture
Supervise the test center.
The main drafters of this standard. Pan Jiujun, Xing Zuoqun, Gu Bingjie, Liang Zhonghua, Wang Peng, Jiang Xiufu, Wang Yanfeng.
Screw conveyor quality evaluation specification
1 Scope
This standard specifies the product quality indicators, test methods and inspection rules for screw conveyors.
This standard applies to horizontal, inclined and vertical continuous and uniform transport of grain, seeds, loose materials and granular materials, etc.
Product quality evaluation, test identification and product quality supervision and inspection of screw conveyor.
2 Normative references
The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all
Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study
Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard.
Basic form and size of GB/T 985 gas welding, manual arc welding and gas shielded weld bevel
GB/T 2828-1987 Batch-by-batch inspection sampling procedure and sampling table (for continuous batch inspection)
GB/T 3768-1996 Acoustics, sound pressure method for the determination of sound source sound power level
GB/T 4064 Safety Design Guidelines for Electrical Equipment
GB/T 8170-1987 Digital Rounding Rules
GB 9969.1-1998 General instructions for the use of industrial products
GB 10395.1-2001 Technical requirements for safety of agricultural and forestry tractors and machinery - Part 1
GB 10396-1999 General rules for safety signs and hazard figures for tractors and machinery, lawn and horticultural machinery
JB/T 5673-1991 General technical conditions for painting of agricultural and forestry tractors and implements
JB/T 7679-1995 screw conveyor
3 Quality indicators
3.1 Performance
The main performance of the screw conveyor should meet the requirements of Table 1.
Table 1 Performance indicators
Serial number item indicator
1 Productivity/(t/h)
Other working conditions ≥ enterprise standard stipulation (or design) value
≥ Enterprise standard specification (or design) value for vertical conveyance
2 Unit power consumption/[kW·h/(t·m)] ≤ Enterprise standard specification (or design) value
Breakage rate increase/(%) ≤ 0.2
Brown rice rate increase (rice)/(%) ≤ 0.5
4 noise/dB (A) ≤ 80
5 Reliability Effectiveness/(%) ≥ 96
6 bearing temperature rise/°C ≤ 25
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