T/CNHA 1052-2022 "Symbiotic Excellent Products" Evaluation Requirements for Integrated Cookers

Scope

Scope: This document specifies the terms and definitions, basic requirements, evaluation index system, and evaluation methods for the evaluation of integrated stoves "Symbiotic Excellence" candidate products. This document applies to the evaluation of integrated stoves "Symbiotic Excellence" candidate products that only use urban gas, with a rated thermal load of ≤5.23kW for a single burner and a total rated input power of ≤5.0kW for electricity. This document only applies to integrated stoves with external-exhaust smoke-extraction devices. This document does not apply to integrated stoves used in moving vehicles. Main technical content: The evaluation indexes of integrated stoves "Symbiotic Excellence" are mainly divided into: mandatory performance indexes and optional performance indexes. Mandatory performance indexes include: air tightness, thermal load deviation, CO concentration in dry smoke, temperature rise, flameout protection device, oil temperature overheating control device, electric ignition device, thermal efficiency, thermal efficiency loss, air volume deviation, working air volume, total pressure efficiency, noise, odor reduction, and grease separation. Optional performance indexes include: working noise, nitrogen oxide emission level in dry smoke, steam oven heating time, steam oven temperature uniformity, and steam oven temperature deviation.

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