T/GDES 21-2018 Hot efficiency test method for tube yarn dyeing machine

Scope

Scope: This standard specifies the determination method, calculation method, and process for the thermal energy efficiency of cone dyeing machines using steam as the heat medium during their operation. This standard is applicable to manufacturers of cone dyeing machines and users of cone dyeing machines for determining the thermal energy efficiency of cone dyeing machines. Main technical content: 4. Heat efficiency calculation 4.1 Total heat input of the dyeing production system 4.2 Effective heat 4.3 Thermal efficiency of cone dyeing machines 4.4 Steam input heat 4.5 Water input heat 4.6 Heat consumption of process water 4.7 Heat consumption of yarn 4.8 Heat consumption of yarn moisture 4.9 Heat consumption of yarn discs and yarn rods 4.10 Heat consumption of yarn cones 5. Measurement methods 5.1 Input steam quantity 5.2 Input steam pressure and temperature 5.3 Process water 5.4 Yarn moisture content 5.5 Yarn gross weight 5.6 Weight of yarn discs and yarn rods 5.7 Weight of yarn cones 6. Requirements for measurement instruments and equipment 6.1 Instruments 6.2 Accuracy 7. Preparations before measurement 7.1 Measurers 7.2 Operating conditions 7.3 Determination of the content of the measurement outline 7.4 Requirements for the installation points of measurement instruments 7.5 Data recording form for measurement items 8. Steps for determining the thermal efficiency of cone dyeing machines 9. Report on the determination of the thermal efficiency of cone dyeing machines

Development Information

Related Standards