Huaneng Design Institute
Design consulting EPC general contracting project supervision and other whole process professional service institutions
Domestic "first largest" hedge combustion tower boiler application made a new breakthrough
A few days ago, Dongfang Electric Group Dongfang Boiler Co., Ltd. (hereinafter referred to as "Dongfang Boiler") innovated hedge combustion tower boiler technology and successfully won the bid for the boiler equipment procurement project of Unit 5 and Unit 6 of China Huaneng Group Co., Ltd. (hereinafter referred to as "Huaneng Haimen Power Plant"), which is a 2 × 1000 MW high-efficiency ultra-supercritical once-reheat coal-fired generating unit,It is the first large-capacity ultra-supercritical unit with hedge combustion tower boiler in China.
The new fourth-generation OPCC cyclone combustion technology with external separation is adopted to realize automatic control of the concentration of primary air powder at ultra-low load, and the ultra-low load conversion DC technology of internally threaded tube spiral tube coil and intermediate fully mixed tower structure water-cooled wall is adopted to realize lower peak load.
Break through the traditional hedge combustion boiler coal mill and burner single-layer layout corresponding to the design concept, the use of any coal mill combination under the full operating conditions of the uniform hedge combustion technology, the load deviation is smaller, the steam temperature capacity is stronger, to achieve wide load economy is higher.
The low power burner technology of single burner flame reduction is adopted, and the low and medium load NOx emission is lower through the uniform layout of the burner.
Dongfang Boiler will continue to carry forward the "Dongqi Spirit", continue to strengthen technological innovation, practice the mission of central enterprises, live up to customer expectations, carefully organize and deliver on schedule, and turn the project into a "boutique project" and "model project". Create world-class products, promote the transformation and upgrading of China's coal power industry, and promote the high-quality development of the energy industry.
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