Realize that ultralow load safety ring of coal fired boiler protects degree of depth peak regulation device of operation

• Main Authors: MIAO YONGQI, WANG MIN, MA XIUYUAN, LI ZHIQIANG, LIU ZHITAN, SHEN ZHIYONG, SUN ZUNQIANG, SHU XI, WANG SHUANGTONG
• Format: Patent
• Language: Chinese; English
• Published: 12.04.2017
• Subjects: BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; FLUES; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODS OF STEAM GENERATION; REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES; STEAM BOILERS; STEAM GENERATION; WEAPONS

The utility model provides a realize that ultralow load safety ring of coal fired boiler protects degree of depth peak regulation device of operation mainly includes boiler, economizer and SCR denitration device, and the flue gas that the boiler came out is sent to SCR denitration device via the flue behind the economizer, boiler lower part inboard sets up the auxiliary combustion device, set up auxiliary heating device on economizer and SCR denitration device's the connection flue, the auxiliary combustion device is delivered to through the connecting line all the way in the fuel source, and auxiliary heating device is delivered to on another way. The utility model discloses designed the ultralow load safety ring of coal fired boiler in the device and protected auxiliary combustion device and the auxiliary heating device who moves, realized that coal fired boiler protects the operation by 40% low load operation to 25% ultralow load degree of depth peak regulation safety ring. Through combining together techn