The tower furnace is a type different from the double flue boiler. Compared with the widespread use of double flue furnaces in China, my country is smaller in scale, while Europe is more popular. This type of boiler has been widely used in power stations and is suitable for different capacities, different parameters, and different fuels. Its characteristics are: its height is low, easy to arrange, easy to maintain, the tail flue gas is downward, which is convenient for dust removal, and the blower is arranged at the bottom

Due to the different design structures, the tower furnace is more superior overall. The tower furnace has a simple structure and fast construction speed. The furnace body consists of a main frame, a sub-frame, and an independent hot blast furnace frame. The overall suspension structure of the blast furnace makes its force direction unidirectional, which can be expanded arbitrarily and there is no stress concentration phenomenon. The suspension structure is regular and the support structure is simple. Although the total weight of the entire structure is about 15% heavier than that of the π-type furnace, due to the smaller number of beams and parts, its price is cheaper, so the price of the steel structure is similar to that of the π-type furnace; in addition, on large equipment such as air ducts and air preheaters, the tower suspension design is simple and there are fewer hangers, so the installation speed is faster.

Because of its small installation section, tower boilers generally only use a single type, and the installation process is relatively convenient. The space between the two blast furnaces is large enough to install the crane on both sides of the boiler, and tower cranes can be arranged on both sides of the boiler, while the π-type furnace can only be arranged on the outside of the boiler. The tower crane + furnace top crane method, and the removal of the furnace top crane will occupy the boiler main line construction period of about 10 days.

Combining the above analysis, from the on-site installation practice, the tower furnace generally has a higher assembly accuracy and a higher construction height during the construction process, and can adopt a single installation method, and the installation process is relatively convenient. The actual installation cost of the tower furnace is slightly higher than that of the π-shaped furnace: the tower furnace has a larger structure, smaller beam parts, and less installation cost, while the Π-shaped blast furnace is just the opposite; the tower furnace uses mirror welding, the welding cost is higher, and the number of welds on site in the blast furnace is slightly more; the tower furnace has fewer mixed boxes, and the parallel boxes are all outside the furnace. Compared with the π-shaped blast furnace, the overall construction period of the tower blast furnace is shortened by nearly half a month.

From the perspective of installation technology, the tower furnace is more convenient in the construction process, and the installation accuracy is higher, and its installation height is also higher.