GB/T 32824-2016Parameter series of screw expander (English PDF)
螺杆膨胀机（组）参数系列
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 29, 2016
Implementation date
March 1, 2017
Scope
GB/T 32824-2016 is the English-translated version of 螺杆膨胀机（组）参数系列.
GB/T 32824-2016 is the Chinese standard "Parameter series of screw expander".
Its scope clause reads: This standard specifies the working fluid for the soft water mixture (vapor-liquid two-phase) saturated steam or superheated steam and non-aqueous low boiling point of the back pressure and condensate The series of working parameters of the rotary screw expander (group) and the allowable fluctuation range of the operating parameters.
This standard is suitable for the screw expander design, manufacture and use of the user to provide parameter selection or guidance. Its clauses include normative reference documents; terms and definitions; screw expander parameter series.
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Document preview — GB/T 32824-2016
National Standard of the People's Republic of China
- ICS
- 27.040
- Classification
- K 59
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 normative reference documents
- 3 terms and definitions
- 4 screw expander parameter series
1 Scope
This standard specifies the working fluid for the soft water mixture (vapor-liquid two-phase) saturated steam or superheated steam and non-aqueous low boiling point of the back pressure and condensate
The series of working parameters of the rotary screw expander (group) and the allowable fluctuation range of the operating parameters.
This standard is suitable for the screw expander design, manufacture and use of the user to provide parameter selection or guidance.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 30554 Screw expander terminology
3 terms and definitions
The terms and definitions defined in GB/T 30554 apply to this document.
4 screw expander parameter series
4.1 series of superheated steam type screw expander parameters
The series of parameters of the superheated steam type screw expander is shown in Table 1.
Table 1 series of superheated steam-type screw expander parameters category
Imported steam pressure range
MPa
Imported steam temperature range
Recommended range of imported steam flow t/h
Screw expander for power range kW
Low pressure 0.1 ~ 1.0 120 ~ 300 2 ~ 30 100 ~ 1500
Medium pressure 1.0 ~ 3.0 180 ~ 300 10 ~ 80 300 ~ 3000
4.2 series of parameters for wet steam (including saturated steam) type screw expander
The parameters of the wet steam (including saturated steam) type screw expander are shown in Table 2.
Table 2 Wet steam (including saturated steam) type screw expander parameter series category
Import saturated steam
Pressure range
Imported steam dry range
Recommended range of imported steam flow t/h
Screw expander for power range kW
Negative pressure atm 0.05~1.0 3~30 100~1500
Positive pressure > atm 0.05 ~ 1.0 10 ~ 80 100 ~ 3000
Note. atm is the local atmospheric pressure.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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