Main and auxiliary equipment of the boiler room.

A well-stocked boiler room is crucial for keeping your house warm and comfortable throughout the winter. Your heating system’s boiler room is its central component, where all the magic that distributes heat throughout your home takes place. It’s essential to comprehend the primary and secondary heating and insulation equipment in your boiler room.

The boiler is, of course, the central component of any boiler room. This is the enormous energy source that warms your house by boiling water or producing steam. Boilers are available in multiple varieties, such as system, combi, and conventional boilers, each with unique benefits and applications for different kinds of homes. The first step in making sure your heating system functions properly is selecting the appropriate kind of boiler.

The operation of your boiler room depends on a number of other essential pieces of equipment in addition to the boiler. The expansion tank is one such part that aids in controlling pressure variations in the heating system. Since water expands as it heats up in closed-loop heating systems, expansion tanks are especially crucial.

Without a pump to distribute hot water or steam throughout the house, a boiler room cannot be considered complete. The pump puts forth constant effort to make sure that heat effectively reaches every area of your house. A pressure relief valve is also necessary for safety since it keeps too much pressure from building up inside the system, which could cause harm or even catastrophic failure.

Auxiliary equipment, in addition to these primary parts, improves your boiler room’s functionality and efficiency. This could include insulation to reduce heat loss and increase energy efficiency, as well as thermostats that let you regulate the temperature in various zones of your house.

You can optimize your heating system and make informed decisions about maintenance and upgrades by being aware of the main and auxiliary equipment in your boiler room. By installing the appropriate equipment, you can minimize energy consumption and lower utility bills while still enjoying a warm and cozy home.

Main Equipment Auxiliary Equipment
Boiler Expansion tank
Pumps Pressure relief valve
Thermostat Water softener

Main equipment

The primary components, which serve to guarantee the processes of heat energy generation in the form of steam or hot water, are structurally contained within the boiler’s perimeter. Boiler equipment types include:

  1. Boiler – heat source. They can be hot-water boilers, producing hot water for central heating and with a limit T up to 150 C and steam boilers, producing saturated or superheated steam over 1 MPa.
  2. Furnace device or furnace ensures the completeness of combustion of the energy carrier. In it the process of fuel oxidation with the formation of heat energy takes place.
  3. Boiler lining is necessary for thermal protection of boiler unit structures in order to reduce heat losses into the atmosphere and to ensure gas tightness of the heat generator. It consists of refractory materials, which are rigidly attached to the frame of the unit.
  4. Frame – a structure made of metal to ensure the mutual arrangement of working elements and the boiler.
  5. Steam superheater is used for heating steam coming out of the drum and separator with T above saturation point. Structurally it is made in the form of heat-resistant steel coil pipes.
  6. The water economizer is used for heating water entering the boiler feed circuit by reducing the temperature of flue gases, thus increasing the efficiency of boiler operation. It is executed in the form of boiling and non-boiling type. In the first one water is heated to boiling point, and in the second one it never reaches it. Structurally, devices of the first type are made of steel pipe packages, and the second – cast iron pipes.
  7. The air heater performs the task of heating the primary air in front of the boiler by cooling the combustion products, a process that takes place in regenerative heaters.
  8. Shut-off and regulating armature – plumbing devices installed on the gas, water and steam path of the boiler to regulate the flow rate of the medium at the inlet and outlet of the unit. Shut-off – used to open/close sections of the heat circuit. Regulating – used to maintain the specified operating parameters of the medium in terms of pressure and temperature. Safety, in the form of relief valves, is used in safety systems for emergency closure when high values of monitored safety parameters are reached. Special fittings include condensate traps and fuel filters, they are installed in the water and fuel supply systems of the boiler.
  9. The unit headset is used to service the gas-flue path of the boiler. They include: manholes, hatches, doors, air dampers, explosion valves on gas ducts and soot blowers for cleaning boiler tubes from soot.

Knowing the boiler room’s primary and secondary equipment is crucial when it comes to heating and insulating your house. The magic of warmth is created in the boiler room, which is the central component of your heating system. The primary appliances, such as furnaces and boilers, provide the heat required to keep your room comfortable. However, the auxiliary machinery—which includes pumps, valves, controls, and sensors—makes sure everything functions properly and is coordinated like a well-rehearsed dance. Understanding the ins and outs of this equipment helps ensure that your home remains warm and comfortable regardless of the outside weather by optimizing efficiency and assisting with potential problems.

Auxiliary equipment of the boiler room

All water, fuel, and air streams need to be prepared before being fed into the boiler in order for the heat transfer processes to occur as efficiently as possible. It is the auxiliary boiler units that carry out these tasks.

The boiler unit’s auxiliary components consist of the following devices:

  • of the fuel supply system;
  • smoke cleaning systems;
  • draught blowers;
  • feed and circulation pumps, which are responsible for the movement of water through the circuit;
  • separation devices of the boiler;
  • water treatment unit.

Fans and smoke exhausters that operate in the boiler’s gas-air duct system are examples of smoke blowing devices. The former are used to release flue gases into the atmosphere through the chimney and to create an outlet in the furnace chamber.

Because of the high noise level produced during operation, they are typically installed behind the boiler, outside the boiler room, between the gas duct and the flue pipe.

In order to ensure full fuel combustion, fans are designed to force air into the furnace chamber and create a gas-air mixture at the gas burner outlet. Additionally, the device is situated in front of the boiler front but outside the boiler room building.

Steam and boiler water can be separated using separation devices, which are installed in the boiler’s upper drum. The water treatment system’s tasks include removing active oxygen from the deaeration-feeding unit to prevent corrosion on the heat generator’s internal heating surfaces and cleaning feed water from hardness salts in sodium-cationic filters to lessen scaling on the boiler’s heating surfaces.

Installing two or more electric pumps that have an operating pressure of at least 1.25 pressure of the boiler water path and 110% of the nominal steam capacity of all operating boilers is required in order to supply steam boilers.

Furthermore, two steam pumps that are at least 50% of the boiler room’s nominal capacity are installed.

Pumps in boiler rooms are separated into:

  1. Feed – designed to supply feed water to the boiler.
  2. Make-up systems – for making up the heat supply circuit in case of coolant leakages in the main networks.
  3. Network ones for circulation of the heat carrier in the supply and return pipelines. They are also used for hot-water boilers.
  4. CWO pumps – in the chemical water treatment system.
  5. Gas equipment.

Boiler room automation

Interrelated working media parameters, such as the amount of primary air, feed water, gas, and steam pressure, as well as the discharge in the furnace, define technological boiler processes.

The protection system for boiler houses offers:

  • regulation of heat processes;
  • Control in water, air and fuel systems;
  • control of technological processes;
  • alarm signaling of the boiler unit emergency condition.

It can be complex when equipment maintenance is done without personnel, or partial when it regulates only specific production stages.

The primary duties associated with automation:

  1. Adjustment of air and fuel volume, in accordance with the mode maps on the boiler unit load.
  2. Providing draught in the furnace and at the steam generator outlet.
  3. Boiler tube water make-up.
  4. Steam and hot water parameters regulation.

Differentiate among automation systems:

  1. With regulation by parameter deviation, that is, the control depends on the change of the controlled parameter.
  2. Continuous action, when the control value is changed, the regulator affects the parameter smoothly.
  3. Multi-position regulation – the system selects one of the possible positions – on/on.
  4. Direct impact using the energy of the controlled medium.
  5. Indirect action using energy from an external source (electric, pneumatic, hydro).

Both the primary boiler equipment and the auxiliary boiler room components need to be carefully considered if you want to guarantee effective insulation and heating for your house. The primary equipment—such as the boiler itself—is essential to providing dependable and efficient home heating. To get the best performance out of your boiler, whether you choose an electric, gas, or renewable energy source like a heat pump, you must choose the correct main equipment.

Nevertheless, the primary components of your heating system are not the only factors that affect its efficacy. Pumps, valves, and expansion tanks are examples of auxiliary equipment in the boiler room that cooperate to support the main boiler’s operation and guarantee effective heat distribution throughout your house. To increase the longevity and effectiveness of your heating system, these auxiliary components must be installed and maintained correctly.

Energy efficiency and sustainability must come first when choosing the main and auxiliary equipment for your boiler room. Purchasing contemporary, high-efficiency boilers and related parts can lower your carbon footprint and lower your energy costs. You can also improve sustainability and lessen your dependency on fossil fuels by adding renewable energy sources, like biomass boilers or solar thermal panels, to your heating system.

Furthermore, minimizing heat loss in your house and increasing the efficiency of your heating system depend on adequate insulation. By keeping heat inside your home, insulation for your walls, floors, and roof helps to prevent your boiler from working harder than necessary to keep the temperature comfortable. Sufficient insulation, when coupled with energy-efficient main and auxiliary equipment, can dramatically reduce energy usage and raise overall comfort levels.

In summary, attaining the best possible insulation and heating for your house necessitates a comprehensive strategy that takes into account both the primary boiler equipment and the boiler room’s auxiliary components. You can create a comfortable and energy-efficient living space while lessening your impact on the environment by investing in appropriate insulation, choosing high-efficiency equipment, and placing a high priority on sustainability.

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Sergey Ivanov

I like to help people create comfort and comfort in their homes. I share my experience and knowledge in articles so that you can make the right choice of a heating and insulation system for your home.

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