The main process of printing and dyeing is divided into three steps: pre-treatment, dyeing printing, and post-cleaning. The main processes include singeing, desizing, scouring, bleaching, mercerizing, shaping, drying and dyeing. Usually, in the case of equipment conditions, a steam boiler is generally used for steaming in the drying and sizing sections, and a heat transfer oil boiler is used to provide a heat source in the dyeing process. Due to the high pollution and high consumption characteristics of the printing and dyeing industry, energy-saving and efficient gas-fired boilers are used more in consideration of environmental protection requirements.
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