Hot water boiler are systems used to heat a fluid (usually water) in a closed vessel. It can be boiled, heated, or vaporized. You can then use the outcome for various purposes or heating applications. such as cooking, water heating, sanitation, central heating, boiler-based power generation, etc.
Hot water boiler and Steam boiler.
Hot water boilers are similar to steam boilers in many ways. The major difference is hot water boilers are always filled with water. Unless the system drained or work is performed on some part of the system, a hot water system should not require makeup water. The system should not drained during the off season, because this would introduce oxygen into the system and accelerate corrosion. Thus, the first step in starting up a hot water boiler is to flush and fill the boiler with feed water.
Uses of hot water boiler:
Widely used for food, beverage, chemical, greenhouse, building heating, electroplating industry, wood factory, precast factory, oilfield, autoclave, concrete, hotel, laundry, mining, plating etc.
When I should use hot water boiler?
Industrial hot Water Boilers are generally selected when the required process temperature is relatively low – typically less than 90 °C.
When you need higher temperature, alternative forms of heating such as high-pressure hot water, you may use steam or efficient Thermal Fluid. However, the simplicity and generally low installation cost of hot water boilers have meant their continued use across a range of industries such as chemical, food and beverage where the temperature permits.
Main parts of boilers:
There are different parts that make up a boiler and though they’ve been around for a while.
Now and modern boilers are more energy-efficient than the older ones, some of these parts are still the same. Learning different parts help you in repairing and the maintenance of your boiler. But what are these main parts?
- Burner:
Which is where the mixing of the air with the fuel source happens, resulting in the combustion, which provides the necessary heat to heat up the fluid.
- Combustion Chamber:
This is the chamber where the combustion from the burner heats the heat exchanger; this chamber can reach temperatures of several hundred degrees.
- Heat Exchanger:
Allows the heat from the combustion chamber to heat the water in the boiler’s tank.
- Expansion tank:
Another item in the list of different parts of boilers is expansion tank; this small tank is responsible for protecting the boiler from excessive pressure and ensures its safety along the process.
- Backflow valve:
A backflow valve is a safety device that allows water to flow in a single direction only.
- Supply lines
These parts of boiler are pipes that are responsible for delivering the heated stream of fluid to the distribution points in the boiler.
- Return lines
Return lines, are responsible for bringing the cooled fluid, or the cooled steam (which changes its state back to its liquid form). back to the boiler to heat it up again.
- Circulatory pump:
A circulatory pump used with boilers that use hot water for heating.
The circulatory pump pushes the hot water through your system, allowing it to circulate to the various outlets.
Advantage of high temperature hot water boiler:
There are several advantages of hot water boiler systems Vs steam boilers. Some examples include low costs and higher efficiency, which can be a huge benefit to your operation. After all, we’re all looking to increase boiler efficiency while simultaneously minimizing costs.