Choosing pyrolysis boilers of long combustion

Having the appropriate heating system in our homes is essential to keeping them warm and comfortable. Growing environmental concerns have many homeowners looking for cost-effective, long-term solutions. For individuals who want to efficiently heat their homes while lowering their carbon footprint, pyrolysis boilers present a viable choice. This post will discuss the advantages of long-burning pyrolysis boilers and the reasons they could be the best option for your insulation and heating requirements.

Let’s first review the basics of pyrolysis boilers. These boilers use a technique known as pyrolysis, which generates heat by breaking down organic materials in the absence of oxygen. The capacity of pyrolysis boilers to burn a variety of biomass, including wood pellets, chips, and even agricultural waste, is what makes them unique. Because of their adaptability, they can be a sustainable alternative by utilizing resources that would otherwise go to waste—renewable ones.

The extended combustion duration of pyrolysis boilers is one of their main benefits. Pyrolysis boilers can sustain combustion for longer periods of time than traditional boilers, which need to be refueled frequently. This guarantees constant warmth throughout your house without requiring constant attention, which not only saves maintenance headaches.

In addition, pyrolysis boilers are renowned for their exceptional efficacy. These boilers can minimize fuel consumption and achieve remarkable heating performance by utilizing the energy released during pyrolysis. In the long run, homeowners will save money because they will use less fuel and have dependable heating during the winter.

The environmental friendliness of pyrolysis boilers with extended combustion is another strong argument in favor of their use. These boilers produce substantially less emissions than fossil fuel-based heating systems because they burn biomass as fuel. As a result, there will be less carbon dioxide released into the atmosphere and a smaller environmental impact, helping to fight climate change.

In conclusion, homeowners wishing to improve their heating systems may find that investing in a pyrolysis boiler with long combustion is a wise choice. These boilers present a strong case for environmentally friendly home heating due to their adaptability, efficiency, and advantages. We’ll go into more detail about the characteristics and things to think about when choosing the best pyrolysis boiler for your house in the sections that follow.

Principle of operation and advantages of pyrolysis boilers

The primary beneficial addition that the pyrolysis boiler on the natural draught received is the secondary combustion chamber. In addition to its primary function, the conventional firebox also acts as a source of combustible gas and a fuel loading hopper. It is produced from the fuel by slow smoldering when the furnace’s oxygen supply is restricted. As soon as the gas enters the secondary chamber, it mixes with the hot air and starts a thermochemical reaction. The primary source of heat is thus produced by the start of the pyrolysis combustion process.

Boiler for natural draft pyrolysis

Traditional solid fuel pyrolysis boilers function because of the chimney pipe’s natural draught. For homes experiencing frequent power outages, this is a very practical solution. However, because pyrolysis boilers have more complicated air path resistance, their operation is primarily dependent on the chimney draught force. A strong draft is necessary to overcome it and provide a constant air movement in both chambers; otherwise, the unit performs poorly.

Long-burning boilers for pyrolysis

Adding a device to the air path that produces a forced draft was the solution to the issue. Centrifugal fans, which generate enough pressure to overcome the resistance of the boiler path and a portion of the chimney, are used for this purpose. These pyrolysis boilers have several benefits, including the ability to burn fuel effectively even in the absence of electricity.

  1. The space of the main firebox is enlarged, allowing more fuel to be loaded into the firebox. Its slow combustion, due to the technology of the process, increases the interval between loads of firewood up to 12 hours.
  2. As a result of the process, there is little waste left in the ash pan, and there are fewer emissions into the atmosphere.
  3. The efficiency of the pyrolysis boiler reaches 90% due to the efficient combustion of fuel.
  4. For the same reason, fuel consumption is lower than that of direct combustion counterparts.

By clicking on the following link, you can learn more about the pyrolysis boiler’s working principle.

Operating peculiarities

Boilers used for pyrolysis that have a natural draft need automatic regulation. As a result, an electronic device (controller) that receives signals from water temperature and pressure sensors regulates the speed of the fan motor. The controller lowers or stops the air supply to both chambers if these parameters start to rise for any reason. Another benefit of using pyrolysis boilers with solid fuel is that the homeowner only needs to adjust the desired temperature on the display.

An extra water circuit is another update that was made to the solid fuel units. Installed in solid fuel units as an option, it provides hot water to the house. The coil that allows the DHW water to run through is positioned inside the unit’s water jacket, and this is how the operation works in principle. This circuit receives some of the heat from the heated coolant, which produces the medium-temperature water needed for DHW. This design provides extra protection against boiling water in the jacket in the event of a power outage for two-circuit long-burning boilers.

Long-burning pyrolysis boilers that are optimal

For heating various household buildings, in which there is no piping of the heating system, a special kind of boiler units on solid fuel is developed. Its difference is that the water jacket on the body is absent, instead of it pyrolysis air-heating boilers are equipped with an air heat exchanger. The latter can evenly heat the premises with a useful volume from 100 to 1000 m 3 depending on the modification of the installation. Combustion control system – by means of an air damper opened manually or by chain drive. Due to the special conditions of operation, the unit is not equipped with a mechanical inducement of traction, since this requires electricity. Therefore, there are requirements for the chimney, which must be withstood, the main criterion – sufficient draught force.

Disadvantages of gas-generator boilers

The long-burning pyrolysis boiler has drawbacks just like any other heating system. The primary one is thought to be the equipment’s need that the fuel’s moisture content not go above 25%. If not, the boiler’s efficiency drops precipitously and more fuel is needed to produce the same amount of heat. Drying unseasoned firewood in a warm space is one way to find a solution.

The unit’s operation will also be hampered by power outages. However, there’s a catch: solid fuel installations are typically bought to replace the gas-powered equipment that heats the building. As a result, a gas heating unit rather than a solid fuel heating unit can be started in the event of a power outage. Many homeowners in areas with frequent blackouts already own diesel power plants. The additional 100–500 W of energy needed to run a long-burning pyrolysis boiler won’t be too much for them to handle.

The expensive nature of the equipment is another important factor. It is an unavoidable cost associated with more intricate designs, more machinery, and automated systems. Since the goal of all technical solutions is to operate as economically as possible, the product will pay for itself in a year or two.

Pyrolysis boilers with lengthy combustion cycles are a promising option in the search for effective heating solutions. Compared to conventional boilers, these cutting-edge systems produce more heat with less fuel and emissions by burning wood in a low-oxygen environment. A pyrolysis boiler’s size, efficiency, and ease of maintenance are important considerations. A high-quality pyrolysis boiler is an attractive alternative for heating and insulating homes since it can result in significant energy savings and a smaller environmental impact.

A brief overview of famous brands

When it comes to manufacturing the best pyrolysis boilers, the German firms BUDERUS and VIESSMANN are widely acknowledged as industry leaders. Their superior materials and assembly, dependability in use, and adherence to all technical specifications listed in the passport set them apart. The ignition process is fully automated in the units. Changes The solid fuel-using VIESSMANN company’s Vitoligno 100-S has the following indicators:

  • The range of units includes several models in the power range of 25-80 kW;
  • The efficiency of the units is 88%;
  • working pressure – not more than 3 bar;
  • temperature in the supply / return pipe – 95 / 55 ⁰C;
  • maximum length of wood loaded into the furnace – 0.5 м.

Design of a long-burning pyrolysis boiler

The Vitoligno 100-S pyrolysis boiler is equipped with a controller and a series of sensors for automation. The draught fan is situated in the chimney path and functions as a smoke pump rather than a blower. The Vitotronic 100 FC1 controller can regulate the fan in addition to the circulation, mains, and three-way boiler trim valves while it is in operation.

The technical attributes of the long-burning BUDERUS pyrolysis boilers are equally remarkable.

  • line of models in the power range of 20-40 kW;
  • EFFICIENCY – 88-90%;
  • working pressure – 3 Bar;
  • supply / return temperature – 95 / 55 ⁰C;
  • maximum length of firewood – 0.58 м.

Buderus pyrolysis boilers

The Logano G221 and Logano S121-2 solid-fuel models come with sensors, a Logamatic monitoring and control unit, and a fan-smoke pump. Automation features are identical to those found in VIESSMANN. The distinctive feature of BUDERUS products is their amazing appearance, which sets them apart from the competition. Furthermore, the company manufactures cast iron pyrolysis boilers (model Logano G221) in addition to steel. The cost of both companies’ products is high despite their high quality construction and dependability.

A well-known Czech brand VIADRUS and its Hefaistos P1 model are among the producers of boiler units in the medium price range. The product’s manufacturer states that its parameters are acceptable, and it costs a lot less than what the "Germans" charge. The way the units are operated demonstrates that you can purchase units from this company and others in the average cost range for your home, and they function quite well.

Boilers for pyrolysis pellets

The most cozy pyrolysis boilers to run on pellets. It’s convenient because there’s no need to load the firebox. Depending on the hopper’s capacity, it is sufficient to load it with pellets once a week. Fuel is fed to the pellet burner via a corrugated plastic pipe via a screw conveyor. Water is supplied to an integrated automatic fire extinguishing splinker system in PellTech burners, which automates the entire process.

Factors to Consider Features
Efficiency Look for boilers with high efficiency ratings to save on fuel costs.
Combustion Duration Choose a boiler with extended combustion times for less frequent refueling.

Boilers that use pyrolysis present a novel way to heat houses effectively and environmentally. These boilers can minimize their negative environmental effects while producing heat for extended periods of time by utilizing the pyrolysis process.

Pyrolysis boilers have a number of benefits, one of which is their high energy efficiency. These boilers can extract the maximum amount of heat from the fuel source by carefully controlling the combustion of wood or biomass, which ensures that less energy is wasted during the heating process. For homeowners, this means consuming less fuel and spending less on heating.

Boilers used in pyrolysis are also renowned for having long burn durations. Pyrolysis boilers can maintain combustion for hours or even days on a single load of fuel, in contrast to conventional boilers that need to be refueled frequently. This improves convenience for homeowners while also lowering emissions and increasing energy savings.

Additionally, pyrolysis boilers that use renewable biomass fuels reduce carbon emissions and support environmental sustainability. Through the use of organic materials like wood pellets or agricultural residues, homeowners can lessen their carbon footprint and dependency on fossil fuels. This is in line with international initiatives to fight climate change and switch to greener energy sources.

To sum up, pyrolysis boilers present a strong choice for homeowners looking for economical, durable, and eco-friendly heating options. These boilers minimize energy consumption and emissions while producing consistent warmth by utilizing the power of pyrolysis. Purchasing a pyrolysis boiler helps both individual households and more general sustainability objectives. Pyrolysis boilers have demonstrated their efficacy and environmental sustainability, making them a viable option for residential heating and insulation.

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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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