Air VP-O.
Offer type: salePublished: 28.11.2017
The design of modern boilers, especially those in the cycles which is
burning wet fuel, involve the use of
air heater. The procedure of heating the air required for
rapid ignition of the fuel materials and enhance the process
combustion, which reduces heat loss by incomplete processing
chemical and mechanical substances. The heater reduces
the temperature of the output gases, which have a positive impact on
the process of pre-heating feed liquid, which is supplied to the
a water heat exchanger.
The appointment of the tubular
air heater boiler pre-heating which is supplied to the
the furnace of the air used for burning fuel. Final temperature
when heating is from +150°to+250°C, which is achieved by
the flue gas, gives off heat. The use of structures helps
to increase the efficiency of boilers due to the drop in temperature of output gases and
makes the combustion more intense.
Tubular
device for air heating is the heat exchangers of gas and air.
Output output gases move inside the tubes heated for the blast
the air is housed and moves in the space between the pipes. Is
the design of the tube bundles fitted with baffles, tube boards,
prisoners in the wrapping frame, the top is paneling. In
set also includes a bypass duct and gas and air.
Introduction to the work of the air preheater of the boiler provides a number of advantages:
- increasing the temperature in the furnace;
- increasing the heat transfer coefficient.
Process
the burning becomes more intense, the increase in furnace temperature leads to
a reduction in the period required for warm-up and ignition
fuel. Intensification allows to reduce the coefficient of excess air
no damage. There is an acceleration of oxidative processes.
The heater reduces the temperature of the output gases
reducing heat loss. Due to the more complete combustion of fuel particles
reduced loss from incomplete combustion and the incomplete combustion. Against the background of reduction
gas volumes are reduced energy costs for air-blasting
design.
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Roman Aleksandrovich
