T/GDES 22-2018 The method for measuring the thermal efficiency of a dyeing machine

Scope

Scope: This standard specifies the determination method, calculation method, and process for measuring the thermal efficiency of intermittent dyeing machines (excluding skein dyeing machines) that use steam as the heat medium for indirect heating. This standard applies to manufacturers of intermittent dyeing machines (excluding skein dyeing machines) and users of intermittent dyeing machines (excluding skein dyeing machines) for determining the thermal efficiency of dyeing machines. Main technical contents: 4. Heat efficiency calculation 4.1 Total heat input of the dyeing production system 4.2 Effective heat 4.3 Thermal efficiency of the dyeing machine 4.4 Steam input heat 4.5 Water input heat 4.6 Heat consumption of process water 4.7 Heat consumption of textiles 4.8 Heat consumption of textiles with water content 5. Measurement methods 5.1 Input steam quantity 5.2 Input steam pressure and temperature 5.3 Process water 5.4 Water content of textiles 5.5 Gross weight of textiles 6. Requirements for measurement instruments and equipment 6.1 Instruments 6.2 Accuracy 7. Preparations before measurement 7.1 Measurement personnel 7.2 Working 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 dyeing machines 9. Report on the determination of the thermal efficiency of dyeing machines

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