Xinjiang Police College is an ordinary undergraduate institution that cultivates applied high-level public security personnel based on the requirements of the Ministry of Education in order to adapt to Xinjiang's public security, law enforcement, and team building. The College is located in Urumqi, Xinjiang, there is a large temperature difference between day and night. School heads ordered sets of 10.5 MW SZL coal-fired hot water boilers from ZOZEN boiler according to the scale of the school and the need for heating, students' and teachers’ daily drinking, and bathing. The boiler is safe, reliable, reasonable in layout, easy to repair, and equipped with independent wind bins. The user can reasonably configure the wind according to different coal quality and combustion conditions to ensure that the fuel is fully burned.