Water in a steam boiler has to be forced to move by a pump.

Water in the steam boiler in some by the pump forced activity; some use of steam boilers in the stove pipe, control the heat absorption of different strengths and weaknesses, constituting a natural cycle; some in the steam boiler chamber for the natural cycle and in the convection heating surface for the forced circulation of the mixed activities. Therefore, the steam boiler has the following characteristics:

1, DC steam boiler can not set up the pot, simple structure, easy to manufacture, simplify the manufacturing process, reduce man-hours; on the other hand, the steam boiler heating surface heat transfer temperature difference is greater. Therefore, the steam boiler labor-saving, low steel consumption, cost reduction.

2, steam boiler water quality requirements are relatively low, high security. As the water in the steam boiler does not vaporize, so less boiler scaling. Water treatment is mainly deoxygenation, followed by steam boiler scale prevention.

3, the heating surface of the steam boiler is easy to corrode, easy to stick ash. Steam boiler in the mass temperature is lower than the steam, briefly produce flue gas side of the acid corrosion. Some steam boiler selection of unreasonable successive work methods, boiler start-up metal wall temperature is low, the tail heating surface is very easy to condensation and easy to stick ash. For this reason, the requirements of the planning of steam boilers when the heated surface of the water temperature can not be too low; requirements for the work method can not be repeatedly start and stop the furnace, do not choose to work in succession, but the choice of successive work methods.

4, due to the steam boiler heating season is very strong, so the amount of heat and seasonal changes in ambient temperature has a great relationship. In order to ensure that the steam boiler can work for a long time in stable working conditions, to ensure that its burning power, the requirements of the system set up and planning to take into account the heating load scheduling may be, together with the requirements of the steam boiler to have a larger heat load adaptability.

5, steam boiler is mostly used for winter heating, so the equipment utilization rate is only; therefore, the steam boiler structure is simple, easy to repair and handle the work, the price is low.