Oil and gas fired boilers are used in many fields like sugar, candy, animal feed, rubber, paper, food, health care, etc.
Oil / Gas Fired Boilers are 3-pass internal furnace smoke-tube-type boilers in which flue gases are inside the tubes while water is outside the tubes in the shell. The combustion of oil and gas in the furnace requires atomization of the fuel.
Since the fuel entering the burner is in bulk amount, is either in liquid or gas form. Therefore it needs to be separated in fine droplets so that every last particle of the fuel can get burnt without leaving any traces. This process of separating the fluid particles is called atomization.
.The 3-pass oil/ gas fired boilers are most suitable for the burn fuels like heavy or light oil or gas.
– Based on the structure, oil-fired boilers can be classified into two types: Fire tube boilers and water tube boilers. Depending on the capacity and steam parameters, the manufacturer will choose the appropriate structure.
– Based on steam parameters, it can be divided into a saturated steam generator or a superheated steam generator.
– Based on the fuel, it can be divided into gas-fired boilers, liquid-fuel-fired boilers, or simultaneous combustion of gaseous fuel and liquid fuel
Pros
The system is easy, small, and quick to install. The system is simple to operate, maintain and fix.
The maintenance and repair costs are low.
High efficiency up to 96%.
The system can change the load very fast, which is good for equipment systems that use steam with sudden and strong load changes.
The system has few problems (because it has few simple devices).
Eco-friendly (except when burning FO/ R-FO oil).
Cons
The fuel costs for operation are high. The system can only burn gas and liquid fuels, usually one or two types. Burners that can burn different types of fuels are very expensive.
The system cannot use local fuel sources.
Burners are mostly foreign-made and installed, which makes the system depend on technology. If there are special requirements, it takes a long time to make the burners (according to customer needs). Also, when the burners are broken, it takes a long time to fix them.
Oil and gas fired boilers are used in many fields like sugar, candy, animal feed, rubber, paper, food, health care, etc. Oil- and gas-fired boilers have good load adjustment abilities and low thermal inertia, so they are used in industries that need fast and flexible load changes. Also, because they are small, clean, and quiet, oil- and gas-fired boilers can be used near residential areas.
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