The clean energy heating renovation and expansion project in 2018 plans to build a new electric boiler heating station, install two 20MW high-pressure electrode boilers, etc., which will be integrated into the city heating main network, covering 400,000 square meters of heating area and realizing zero pollution emission.The third heat source plant cogeneration project in 2019 will be divided into two phases, with an investment of 500 million yuan in the first phase and 310 million yuan in the second, and will construct a high temperature and high pressure circulating fluidized bed boiler, etc., supporting environmental protection facilities. The third heat source plant cogeneration project will be divided into two phases in 2019, with an investment of 500 million yuan in the first phase and 310 million yuan in the second phase, constructing high-temperature and high-pressure circulating fluidized bed boilers and other supporting environmental protection facilities.