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GB/T 28246-2012: Top gas pressure recovery turbine expander
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 28246-2012 | English | 399 |
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Top gas pressure recovery turbine expander
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GB/T 28246-2012
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Basic data | Standard ID | GB/T 28246-2012 (GB/T28246-2012) | | Description (Translated English) | Top gas pressure recovery turbine expander | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J72 | | Classification of International Standard | 23.140 | | Word Count Estimation | 17,197 | | Quoted Standard | GB/T 191; GB/T 2888; GB/T 3766; GB/T 6557; GB/T 9239.1; GB/T 12467.3; GB/T 13306; GB/T 26137-2010; JB/T 1265; JB/T 4365; JB/T 6887; JB/T 8467 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 1 of 2012 | | 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 specifies the axial blast furnace gas energy recovery turbine expander basic design, coupling and guard, control and instrumentation, inspection and testing, assurance, painting and packaging and transportation of minimum requirements. This | GB/T 28246-2012: Top gas pressure recovery turbine expander---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.
ICS23.140
J72
National Standards of People's Republic of China
Blast furnace gas energy recovery turbo-expander
Issued on. 2012-07-01 2012-03-09 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard rule according to GB/T 1.1-2009 given draft.
The standard proposed by China Machinery Industry Federation.
This standard by the National Standardization Technical Committee fan (SAC/TC187) centralized.
This standard was drafted. Xi'an, Shaanxi Drum Power Co., Ltd., Shenyang Blower Group Co., Ltd.
The main drafters of this standard. Liang Shuwen, Mei Yuanping, Liuli Guang, Chen Fengyi, Zheng Hua, Ding Ruyi.
Blast furnace gas energy recovery turbo-expander
1 Scope
This standard specifies the axial blast furnace gas energy recovery turbo-expander (hereinafter referred to as the expander) of the basic design, coupling and guard,
Control and instrumentation, inspection and testing, guarantee, painting and minimum requirements for the packaging and transport.
This standard applies to the media for the blast furnace gas, the dust content of not more than 10mg/Nm3 expander.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191 Packing Pictorial marking
GB/T 2888 fan and blower noise measurement method
GB/T 3766 General technical conditions for hydraulic systems
GB/T 6557 flexible rotor balancing mechanical methods and guidelines
GB/T 9239.1 mechanical vibration balance state (rigid) rotor balance quality requirements - Part 1. Specification and balance tolerance test
GB/T 12467.3 quality requirements for fusion welding of metallic materials - Part 3. General quality requirements
GB/T 13306 signage
GB/T 26137-2010 blast furnace gas energy recovery turbo-expander Thermal Performance Test
JB/T1265 25MW ~ 200MW steam turbine rotor and shaft forgings body
JB/T4365 special lubrication, shaft sealing and control oil system
JB/T6887 fan with iron castings
JB/T8467 steel forgings ultrasonic flaw detection method
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Blast furnace gas energy recovery turbo-expander topgaspressurerecoveryturbineexpander
The use of blast furnace gas adiabatic expansion of its pressure energy and thermal energy into mechanical energy of the turbine machinery.
3.2
Operating speed nr workingspeed
Speed \u200b\u200bdesign conditions in the expander power output shaft.
3.3
Maximum continuous operating speed nmax max.continuousoperatingspeed
Expander allows continuous operation of the maximum speed (r/min) within the specified operating range. In general, based on the speed driven
Maximum continuous operating speed to determine the mechanical power consumption, nmax≤1.05nr.
3.4
Minimum continuous operating speed nmin min.continuousoperatingspeed
Expander rotor allows continuous operation minimum speed (r/min) within the specified operating range.
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