GB/T 32354-2015Technical specification of screw expander(unit) (English PDF)

1 Scope

This standard specifies the definitions of the terms of the screw expander (group) equipment to ensure value adjustment required operation, maintenance, and parts and the like.

This standard applies to the working fluid temperature range of 120 °C ~ 300 °C, pressure is less than 3.0MPa, the pressure difference is not screw expander

1.5MPa in soda mixture, saturated steam or superheated steam screw expander (group).

Non-hydraulic substance (such as a low boiling point working fluid) organic Rankine cycle screw expander (group) can also use and reference.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 6075.3 Mechanical vibration measurement and evaluation of machine vibration on non-rotating parts - Part 3. rated power greater than

15kW and nominal speeds measured in situ 120r/min to 15000r/min between the industrial machine

GB/T 9239.1 Mechanical vibration steady state (rigid) rotor balance quality requirements - Part 1. Specification and balance tolerance test

GB/T 30554 screw expander term

GB/T 30555 screw expander (group) performance acceptance testing procedures

GB 50126 industrial equipment and pipeline insulation engineering

GB 50264 industrial equipment and pipeline insulation engineering design specifications

JB/T 4127.1 Mechanical seals - Part 1. Technical conditions

IEC 61672-1 electric acoustic sound level meters - Part 1. Specification (Electroacoustics-Soundlevelmeters-Part 1.

Specifications)

3 Terms and Definitions

GB/T 30554 and defined by the following terms and definitions apply to this document.