GB/T 17280-2017 in English
VALIDStandard test method for distillation of crude petroleum―15-theoretical plate column
- Issued on:2017-12-29
- Implemented on:2018-07-01
- File Format:PDF
- Delivery:Via email within 5 business days
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《GB/T 17280-2017原油蒸馏标准试验方法 15-理论塔板蒸馏柱》由TC355(全国石油天然气标准化技术委员会)归口,TC355SC10(全国石油天然气标准化技术委员会油气计量及分析方法分会)执行,主管部门为国家标准化管理委员会。
Introduction
Analysis of the core content of the standard
Instrument system composition
| Components | Key technical parameters | Conformity verification method |
|---|---|---|
| Distillation column | Inner diameter 25-70mm, 14-18 theoretical plates | Appendix B n-heptane-methylcyclohexane test |
| Reflux distributor | Separation accuracy ≥ 90%, cycle 18-30s | Appendix D Reflux ratio verification |
| Temperature sensor | Response time ≤ 175s, accuracy 0.5℃ | Appendix F Dynamic response test |
Key operating parameters
- Atmospheric pressure (101.3kPa)
- Medium pressure (13.3kPa)
- Low pressure (1.33-0.266kPa)
- Normal pressure section 5:1
- 0.674-0.27kPa pressure section 2:1
Typical operation case
For Propak packed column, at a reflux ratio of 5:1, the evaporation rate should be controlled at 75% of 670mL/(h·cm²) (about 500mL/(h·cm²)), and the pressure drop should be maintained within 0.84kPa/m.
Technology Evolution Analysis
Main Improvements from 2009 Edition to 2017 Edition
- Safety Enhancement: Added specifications for dehydration of water-containing crude oil (Appendix J) and hydrogen sulfide protection warnings
- Data Reliability: New Chapter 13 Quality Assurance System, requiring the establishment of a quality control sample analysis mechanism
- Instrument Compatibility: Allows the use of equivalent vacuum gauges/pressure gauges to replace the original standard devices
Implementation Recommendations
Laboratory Configuration Plan
| Equipment Type | Recommended Specifications | Validation Cycle |
|---|---|---|
| Distillation Column | 50mm inner diameter, 6mm Propak packing | Annual inspection (Appendix I) |
| Temperature sensor | Platinum resistance, response time ≤150s | Monthly calibration (Appendix G) |
Common problem handling
- Flooding:Immediately reduce the heating power and the cut fraction needs to be returned to the kettle for re-distillation
- Yield loss>0.4%:2/3 allocated to the cold trap fraction and 1/3 included in the first fraction

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