3.2 special Boiler Designs

A simple combined cycle power generation system can consist of:

One cause of corrosion in refuse-fired boilers is:

The primary function of a recovery boiler is to process ________

In a Steam Flooding Boiler, In order to keep the salts in the boiler water dissolved and to avoid deposits on the tubes, the steam produced contains _______moisture.

In Black Liquor combustion, the liquor droplets must be ____ enough to minimize entrainement in the combustion gases.

Vibrating grates serve to aid combustion by ____ out the bed of burning biomass

Basic refuse incinerators with waste heat recovery have evolved into ____ boilers with integral stokers

Which of the following are functions of the auxillary fuel burners in a Black Liquor Recovery Boiler:
1. Stabalize conditions during upsets in the black liquor feed
2. Produce extra steam
3. Burn out the char bed when shutting down.
4. Maintain furnace temperatures.
5. Sustain a stable ignition while establishing a char bed.
6. Raise steam during startup

In a fluidized bed boiler, combustion can take place at temperatures ranging from ____ deg C to ____deg C instead of normal combustion temperatures of 1600 Deg C for pulverized coal and oil firing.

In a Black Liquor Recovery Boiler, If water contacts molten smelt, a violent explosion will result, it is not a ____ reaction but a _____ reaction