Water tube boiler is a common boiler type, mainly composed of vertical drum, water wall tube, convection tube bundle and left and right headers. The boiler tonnage is relatively large, generally about 10-100 tons. The water tube boiler is the star product of Zhengzhou Fangkuai Boiler Factory. The unique characteristics of energy saving, environmental protection, high efficiency, low emission and rational structure design of the boiler have been recognized by many industry users after being introduced into the market. The market share is also increasing year by year.
At present, single vertical drum water tube boilers are divided into two types: light furnace wall integral furnace type and heavy furnace wall bulk furnace type.
The drum is arranged longitudinally in the center of the upper part of the furnace, and two sets of convection tube bundles and water wall tubes are arranged on both sides of the furnace, symmetrical to the left and right, similar to the A shape. The high-temperature flue gas enters the left convection flue from the left side of the back of the furnace, passes through the transverse flue at the front end of the drum from back to front, turns into the right convection flue, and then flows from front to back to the economizer, passing through the guide The fan and chimney are exhausted.
The single-longitudinal water tube boiler has the following advantages: it adopts one drum, which saves steel; the furnace body is A-shaped, and the furnace top insulation layer is convenient to lay; there is no partition wall in the convection tube bundle on both sides, and the structure is simple.
Of course, this design also has certain defects: the water capacity of a single drum is small, and the vapor pressure and water level fluctuate greatly during operation; it requires high water supply quality and operation management level.
Combining the advantages and disadvantages of water tube boilers explained by Zhengzhou Fangkuai Boiler Factory, you can choose the really suitable boiler equipment according to the actual situation of your own business needs.
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