The question: “What kind of heating is there?” can be asked in different contexts. The Heating Technology Review covers a wide range of systems and methods used to maintain comfortable temperatures in buildings. Modern systems, according to EU directives, should gravitate towards renewable and environmentally friendly energy sources. At the same time, it is still quite difficult to abandon classic gas heating, although we are talking about fossil fuels.

Some of the main heating technologies

Heating technologies differ by type of deployment, and can also be classified according to other parameters:

• Central heating systems operate primarily on gas, oil and electric boilers. A modern solution is pellet boiler houses with climate control, which are deployed in the consumer’s home.
• Individual heating systems can be deployed in houses or apartments. Apartments are a separate type of real estate, where individual systems are carried out within the framework of strict requirements. Gas boilers are usually installed and solid fuel fireplaces can be used if older houses have working chimneys. In houses, stoves and fireplaces are used for heating, including those with a water circuit, pellet boilers, gas and electric boilers.
• Heating system. We are talking about solar collectors that show high efficiency when working with underfloor heating systems in spring and autumn. Geothermal systems or heat pumps are effective, as are air-to-air and air-to-water heat pumps that extract heat from the air

With central heating, it is possible to deploy backup heating circuits from electricity, such as underfloor heating or forced-air heating. If it is possible to re-equip the heating circuit, the electric boiler is connected to the main circuit and heats the coolant as needed and the temperature drops.

It must be said that in the near future only Ukraine will have a developed central heating system in Europe. On the one hand, this is an advantage, on the other hand, it is housing and communal services and tariffs for heating and electricity under monopoly conditions that create a large financial burden on the population. For example, the state justifies its income precisely by the income of this sector of the economy, and increases tariffs for each IMF loan, the results of which do not reach the population.

And when you ask the seller what kind of heating there is, be sure to indicate the conditions under which heating is required. This will influence the choice of technological solution.

Smart heating systems

Smart heating is a type and subsystem of a smart home, which is often considered as part of climate control. In the future, various options for regulating the microclimate of premises may be offered within the framework of Smart City technologies; they will represent a separate digital control of the heating of one’s home.

What does “smart heating” give consumers:

• Schedule management. Systems that automatically adjust the temperature according to a given schedule.
• Remote control. Allows owners to control heating via mobile applications or web interfaces.
• Climate control devices with motion sensors. Adjusts room temperature based on detection of occupancy.

Choosing the right heating technology depends on many factors, such as budget, fuel availability, climate conditions and personal preference.

Interruptions in light and heating, significant maintenance costs or distance from main utility networks prompt business owners to consider purchasing a pellet boiler for the office. This is a good idea, first of all, because you will control costs without depending on gas services. At the same time, the operation of the boiler is fully automated.

Full autonomy in the city center

The FOCUS monoblock pellet boiler can rightfully be called smart heating equipment. Despite the fact that it is single-circuit and adapted to the most common consumer requests, that is, for simple single-circuit heating systems. All other functions are developed at a modern level.

The boiler supports air, radiator heating and underfloor heating modes. It can be configured for use for hot water supply and maintenance of a multi-circuit heating system through a heat accumulator or an indirect heating boiler.

Full autonomy is guaranteed through the use of pellet granules. The monoblock format with a built-in pellet hopper makes it universal equipment for installation in offices. This pellet boiler for the office can be installed in the hallway or in an unequipped utility room.

What does the buyer gain besides autonomy and low heating costs?

The FOCUS monoblock pellet boiler allows you to set up heating of any room at minimal cost, independently from the main networks and with a maximum level of comfort that is not inferior to gas heating. If you have a large office building with little use of hot water, then the best option is to purchase two FOCUS monoblock boilers. One of them will work for radiator heating in winter mode, the second - for hot water supply and heating of coolant for heated floors all year round.

Features of FOCUS pellet boilers include microprocessor control, which allows you to control heating parameters with high accuracy. The system includes a weather regulator sensor, an input for a room thermostat, a four-way valve for adding water, and regulation of the intensity of the pellet burner. You can adjust the operation of the boiler to fractions of a degree, and it will accurately maintain heating parameters.

Pellet boiler for the office - excellent design as an added bonus

As an additional bonus, the boiler has an excellent design, the body of which is made of polished stainless steel (thermal insulation is made of basalt wool). It can be placed in a hallway or room that you don't use that much. At the same time, it will clearly decorate the room.

Despite the fact that pellet heating equipment is quite expensive, installing a pellet boiler turns out to be more profitable than conducting gas. Moreover, the owner of the house does not need an expensive project or approval from the supervisory authorities while maintaining a high level of comfort. At the same time, the cost of a kilowatt will be lower by more than 50%. This is an important motivating factor for villagers and villagers to choose a new technological solution. The pellet heating boiler is an autonomous module that works without external connection to the network. At the same time, the level of comfort is ensured, as with gas heating.

Pellet boiler and heating the house with pellets is a profitable solution for villages

Despite the constant mention of gas and its cost for the population, not all Ukrainians can use this privilege. Gas is not available in all localities, and it costs a lot to carry it out. In this regard, residents of villages, villages and remote farms are more and more interested in pellet equipment. Its installation does not require permission and is commensurate in cost. Heating a private house without gas is possible with the same level of comfort.

Advantages of a pellet boiler

What does a pellet boiler give for heating a private house:

• the possibility of unattended heating of the house with a boiler for 1 week on one fuel load (including, throughout the season, if there is a large bunker);
• the cost of a kilowatt is 2 times lower than the price for gas heating;
• the ability to deploy complex home heating systems, which include radiators, underfloor heating, air heating with one heat source;
• reducing the consumption of pellets and increasing the comfort of life when installing climate control;
• the possibility of self-production of pellets from recycled agricultural raw materials.

These advantages, of course, are well manifested in farms far removed from settlements. But thanks to the pellet technology, their owners can not give up the usual benefits of civilization for apartments.

Pellet boiler or pellet burner FOCUS

A modern imported pellet boiler for heating a house worth 120 thousand hryvnia (2020) can be successfully replaced by a mini-boiler room on pellets and a FOCUS pellet burner of appropriate power. Moreover, buyers can reduce costs by purchasing a burner without a boiler and using previously installed equipment in the boiler room. Heating of a private house without gas is organized using a centralized mini-boiler room, the capacity of which can be increased gradually.

Pellet burners FOCUS installed in all solid fuel boilers without structural changes.

What can be heated with a pellet boiler room

In the villages and hamlets there is a problem of heating the house and outbuildings at an acceptable price FOCUS boiler houses. Pelm can combine heating of the following objects on the site:

• House;
• greenhouse;
• greenhouses;
• terraces;
• playgrounds;
• parking lot;
• outbuildings;
• premises for animals.

A significant advantage of this technology for farmers is the possibility of self-production of pellets. As a raw material for these purposes, wood tyrsa and agricultural waste are used. Pellets are made using pellet presses. In this case, the cost of a kilowatt becomes insignificantly small.

It is quite expected that the boiler efficiency is influenced by many parameters, including design features. Today we are discussing with a specialist how the design of the pellet burner hopper affects the efficiency. In particular, how effective and good are the rotary models of foreign production. So, we tell you what you need to pay attention to if you want to buy a pellet boiler or burner? Some very sound advice on how to choose a boiler.

How do manufacturers stimulate buyers?

Pellet equipment is more complex and expensive, therefore, obviously, it is less popular than the same relatively autonomous solid fuel boilers. Of course, the latter have a significant drawback. First of all, the frequent loading and life according to the operating hours of the boiler. It is eliminated by installing a heat accumulator in the system. Then the fuel should be loaded no more than once every 1-2 days. And the level of comfort is significantly increased.

For pellet boilers with gravity feed, loading is also done once every 2 days. So there are no special benefits, if you do not take into account the cost of energy resources. When using pellets, it is 1.4-2 times lower than wood and 2 times cheaper than gas. Such pellet boilers will cost about 20 thousand hryvnia (2020), but they have a standard pellet burner hopper design.

Given the problems with fuel loading, consumers are looking at more expensive pellet heating equipment. These are fully controlled pellet flare burners with automatic pellet feeding. This means that the microcontroller controls not only the intensity of the pump in the circuit, but also the boiler. It is these microcontrollers that are installed together with electric boilers with a close efficiency of 98% (pellet burners of the torch type are effective on 95%).

What makes flare burners different:

• volumetric combustion process with high heat transfer;
• pyrolysis afterburning of fuel, meaning the combustion of secondary condensation gases, as in pyrolysis boilers;
• flame intensity control using oxygen supply, while the temperature in the circuit is regulated with an accuracy of +/- 2 ° С;
• automatic feeding from the internal hopper.

A special pellet hopper with a feeding system together or separately is purchased for the flare burners. In this case, the number of downloads is reduced to 1 per week. If a pneumatic supply is installed from another room or an underground bunker, then the boiler room becomes completely autonomous throughout the season.

Design pellet burner hopper and air supply: how to choose a pellet boiler

As already mentioned, the flame type pellet burner differs from other models in terms of efficiency and is fully controllable. This is realized by supplying air to the combustion chamber; accordingly, the design of the pellet burner hopper matters.

What affects the distributed air supply throughout the volume of the bunker:

• on the intensity of flame ignition and heat transfer;
• for complete combustion of pyrolysis gases with an increase in efficiency;
• with the help of the intensity of the air supply, the operation of the boiler and combustion is controlled.

For these purposes, the design and built-in elements provide for several methods of air supply:pellet hopper

• with the help of a fan and control of its speed;
• using point nozzles;
• from a perforated rotor air chamber that evenly distributes air throughout the entire volume of the combustion chamber.

The design of the pellet burner hopper with regard to control is a defining feature. Obviously, the rotary burner has the best air distribution, but other technological solutions can be quite effective as well.

So before you buy pellet boiler, be sure to check how the burner distributes air through the combustion chamber. The design of the pellet burner hopper greatly affects the accuracy of the temperature control of the heating medium. Ask a specialist about the design pellet burner FOCUS.

Pellet burner with flame control is the basis of an automatic heating system. Its functionality is that due to the installed fan or the movement of the rotary furnace, the flame becomes less or more intense. This is done using an air supply system. Additionally, such systems have the ability to clean the furnace from ash and soot, which intensively arise after using high ash fuel.

How the flame control burner works

Automatic burner with flame control has a heating element on board, from which the pellets are ignited in the combustion chamber. To maintain the effect of volumetric combustion, air is supplied throughout the entire volume of the furnace, due to which the pellets burn intensively and generate heat.

In this case, the intensity of combustion is maintained by air, a fan or a rotary air chamber with nozzles. We talked about it in one of our publications. Air supply throughout the entire internal volume of the burner. This also provides pyrolysis afterburning of gases, that is, secondary combustion products. As you can see, the well-established principle of an ecological approach is used in pellet boilers. It consists in the fact that the heating devices work without waste. This is done with a pellet flare burner.

Cleaning system in automatic pellet burner

One of the most important functions of a pellet burner is its self-cleaning. Most of the pellet flare burners implement one of the functional cleaning principles. For example, mechanical or pneumatic with a compressor. The option with mechanical cleaning and ash catcher is considered the best. The operation of the sensor depends on the readings of the sensor of the quality characteristics of the fuel raw material. Such a device is the first step towards automation of heating.

These possibilities complement the functions of the automatic pellet burner, so its operation becomes more comfortable and justified.

Pellet boiler is a modular mini-boiler room with all the necessary set of digital, analog devices and elements. To connect, you will need to connect electricity and bring the connections of the heat exchanger to the hydraulic arrow of the heating system. Installation of a pellet boiler in autonomous heating systems is as simple as possible and is no different from the installation and piping of a solid fuel boiler.

When choosing pellet burner and additional equipment, the installation process is a little complicated, but it is not particularly difficult if you follow the instructions.

Things to consider when installing pellet boiler or boiler with burner?

The peculiarities of installing a pellet boiler or a boiler with a burner are that the system regulates the temperature of the coolant and critical parameters. Many pellet boilers have pumps at their base. But more often the masters install a pumping group. The piping of the boilers is carried out as usual. The features of the heating system with autonomous boilers with automatic fuel supply include the following. That there is no need to install a backup heat source. This greatly simplifies strapping and hydraulic matching.

Use different heating circuits to heat different sections of the room. For these purposes, pumping and collector assemblies can be used.

Does the system need a heat storage device?

Installation of a pellet boiler or a burner with a solid fuel boiler implies the selection and coordination of equipment. In conventional systems with a solid fuel boiler installed heat accumulatorsto keep excess heat. This provides significant savings and increases the time interval between fireboxes.

However, in a system with a heating boiler with automatic fuel supply and combustion control, the need for a heat accumulator is eliminated. The burner or pellet boiler is adjustable microcontroller... The control unit also ensures the coordinated operation of the system pump. If the heat accumulator is installed for the purpose of hot water treatment and heating, this is the correct solution.

To use or not to use the buffer tank with the pellet boiler?

The pellet burner is the main functional element that fundamentally distinguishes pellet boiler from solid fuel. It is a wood pellet feeding device with fuel ignition with the creation of certain combustion conditions. A distinction is made between rotary and flare burners, which are fundamentally different in terms of efficiency. Modern boilers are equipped with a flare-type pellet device; the operation of a pellet burner is discussed below.

The design largely determines the process of work pellet burner

Each flare burner has its own characteristics and differs functionally and structurally. Not every manufacturer discloses the technological features of the equipment. This is done due to the preservation of the uniqueness of the design or due to the lack of innovation.

One of the most modern models is a pellet burner with a rotary combustion chamber, which is shown in the photo.

Pellet burner operation process:

1. The device is equipped with a feed auger, which feeds fuel pellets from an internal hopper into the combustion chamber.
2. Ignition is carried out automatically from the heating cord due to the creation of certain thermodynamic conditions.
3. Oxygen is supplied at the chamber inlet and over the entire surface using a rotary housing. This type of air supply can be called a point type to maintain the intensity of combustion.
4. The design of the combustion chamber is an air rotor chamber that frames the combustion rotor chamber. Due to this, the air is evenly distributed throughout the entire volume of the combustion chamber. This approach makes it possible to provide instant pyrolysis afterburning of combustion products, increasing the efficiency of the burner.
5. This rotary pellet burner has mechanical cleaning of the structure from ash, which is discharged into a separate box.

What you need to pay attention to

Using the example, it becomes clear that about the burner that you want to purchase, you need to find out the following:

1. What type of burner is offered.
2. What is the design of both the air chamber and the combustion chamber.
3. How the air is supplied.
4. How the chamber is cleared of ash.

On the Ukrainian market, manufacturers represent different types of pellet burners, including the flare type. At the same time, the process of operation of a pellet burner and its design features largely determine the efficiency and comfortable maintenance. Also, each model is focused on different modes of operation with fuel of different efficiency, many work only on wood pellets... The difference lies in the features of the secondary air supply for more intensive combustion of gases with a low quality of pellets and ash removal.

Heat supply of large enterprises is usually carried out with the help of boiler houses operating on fuel oil, coal or slag. But food manufacturers and light industry may well switch to pellet heating. The best option for these purposes will be pellet boilers with torches pellet burners or solid fuel equipment with a pellet module. Today, this equipment allows you to get heat with 95% efficiency at a low cost per kilowatt.

Many industrial enterprises have switched to electric heating precisely due to the high efficiency. But pellet boiler houses with flare burners provide more opportunities, first of all:

• the ability to regulate heating parameters at any point in the room;
• installation of air and water heating devices, underfloor heating and heat curtains, operating from a single heat source;
• cost per kilowatt with 50% savings;
• Efficiency 95%.

This is realized through the volumetric combustion technology implemented by a flare burner.

What is Bulk Combustion

With volumetric combustion, ignition occurs in the entire volume of the available fuel by the ignition method. This is achieved by creating certain thermodynamic characteristics in the combustion chamber. When ignited, the fire resembles an intensely burning torch. For this reason, the devices are called pellet flare burners.

At the same time, such modern burners as manufactured by the brand FOCUSapart from the technology of volumetric combustion, programmed air supply and cleaning of the device, they provide pyrolysis afterburning of combustion products (gases). This feature not only increases the efficiency of the boiler, but also improves the environmental performance associated with reduced emissions into the atmosphere.

As a result, pellet heating offers a level of comfort and capability that rivals gas, but at a significantly lower cost.

Pellet heating in figures

If you want to transfer your production to pellet heating, then you will need several figures and facts that determine the decision:

• the cost of a kilowatt of heat for heating with pellets is 0.3 UAH. for 2020, which is 3 times less than when heating with natural gas;
• with a room height of 5 m, 4 kg of pellets per hour will be required during peak frosts;
• for space heating for every 100 m2 with a ceiling height of 5 m, 6 tons of pellets are needed per season;
• installation of a pellet boiler room does not require permission from regulatory authorities;
• existing and new heating circuits can be connected to the pellet boiler room using standard piping;
• pellets in Ukraine are not standardized, for this reason, to reduce costs, you can purchase wood or agricultural raw materials and granulate it on a press grinder;
• offered pellet burners FOCUS are designed for the use of high-ash pellets;
• high-ash granules from lignin and sunflower husk, corn meal can be used.

On sale are pellet flare burners with power from 15 kW to 900 kW. This allows us to talk about the organization of heating with pellets of large industrial facilities.

Modern home heating brings the organization of heating and approaches to the consumption of generated heat closer to the concept of a passive house. The basic principles of organizing home boiler rooms are based on heat saving and economical heat supply. At the same time, the attitude towards environmental pollution and the use of non-renewable energy resources is changing. Consumers are switching to rapidly renewable raw materials that allow them to get heat at a low price. Today it can be provided by an electronic pellet burner with automatic feeding of granular fuel.

Pellets - why it is a real alternative to gas

The majority of consumers believe that comfortable heating, which does not require the investment of physical labor, is provided only by natural gas. However, its price is growing, and the cost of heating becomes unaffordable for an ordinary average Ukrainian family. Wealthy people tend to spend less because they have to heat larger homes.

To save gas, you will need to insulate the house, install a climate control system and a condensing boiler. At the same time, its cost is commensurate with a pellet boiler house, on the operation of which you will have to spend at least 2 times less. At the same time, a pellet burner with automatic feeding fully meets modern ideas about comfort and does not require investment of physical labor. Heating your home becomes cheap and enjoyable.

Pellet burners support:

• climate control technology;
• provide the required level of safety of solid fuel heating with high efficiency.

Pellet boiler or a burner with an automatic feed can be used in heating houses, not yielding to gas and providing consumers with eco-heat at a low cost.

Pellet consumption per season

For the season, you will have to buy about 3-4 tons of pellets for every 100 m2 of house area. At maximum load, the pellet flare burner consumes 2 kg of pellets per hour for 10 kW.

Heating cost per kilowatt

For a kilowatt when switching to pellets, the consumer will pay UAH 0.464. (2020, the cost of a ton of pellets is UAH 2300). This is approximately 2 times lower than the current cost of gas.

Does fuel quality affect efficiency?

The pellet flare burner uses volumetric combustion technology, so the quality of the pellet does not affect the efficiency. However, low quality or rather uncertified pellets have a higher ash content, which suggests a good purification system. The cleaning system can be automatic.

How often should the pellet boiler be loaded

At peak load in winter, the pellet boiler must be loaded once every two days. This will require about 20 minutes... To increase the maintenance-free operating time of the boiler room, it is necessary to install a pellet hopper and a screw feed of fuel. The pellet can be fed pneumatically from an adjacent storage room.

Is it possible to save

Additional savings in pellet consumption are achieved by installing complex climate control and supplying heat to the premises "on demand". This approach involves reducing the indoor temperature in the absence of people.

Pellet boiler and burner cost

Full function pellet boiler with a torch burner will cost about 120 thousand hryvnia. A pellet mini-boiler room will cost 60 thousand hryvnia with the same functionality and the purchase of a solid fuel boiler. Pellet burners FOCUS can be installed in boilers of any type without structural changes and with comparable power.

The pellet burner with automatic feed in home heating is really a complete alternative to gas heating.

What fuel consumption can you expect when purchasing pellet burner for home heating? During the season, depending on the burner model and the type of combustion, from 3 to 4 tons of fuel pellets are used for every 100 m2 of area at a room temperature of + 24 ° C.

On average, flare burners burn up to 1 kg / hour for every 5 kW of power. Thus, a house of 100 m2 will require up to 2 kg of pellets per hour at the peak load of the heating system. That will amount to 48 kg per day with winter heating, which will amount to 1.5 tons of pellets per month in severe frosts.

What will the consumption of pellets depend on?

Pellet consumption in pellet flare burners is automatically regulated "on demand", that is, based on the set thermostat or outdoor temperature. The regulation is carried out by controlling the rotation of the fan in the pellet burner and supplying air.

Ignition and extinguishing in automatic models is carried out using a built-in system and is provided "on demand" of the heating system. "

In other words, the consumption of pellets in a pellet burner will depend on a number of parameters, but, in general, on maintaining the temperature in the heated room.

Granular fuel consumption is reduced:

• with high-quality insulation of a building structure in accordance with GOST;
• when using other heat sources;
• in case of high temperature outside;
• in conditions of precise regulation of the heating intensity of the circuits in the heating system.

At the same time, according to practical observations, the fuel consumption for a pellet burner is 3 tons of pellets per season for every 100 m2. Granules can be made in a homemade way. Pellet burners FOCUS allow you to burn all types of pellets with the same efficiency.

Which pellet burner is better

Heating equipment suppliers offer pellet flare burners of domestic and foreign production:

• "Bioprom";
• "Moderator-Ukraine";
• Eco-module;
• "Liberator";
• SWaG;
• Eco-Palnik (Poland);
• Ferroli (Italy);
• Kostrzewa (Poland);
• Gembo (Germany);
• PellasX (Poland);
• Termomont (Serbia).

Burner models from these companies are available in approximately the same price range.

Pellet burners FOCUS is a new Ukrainian brand, whose products are based on their own innovations. They provide economical fuel consumption, perfect automation and operation of maintenance-free boiler houses with complex heating circuits.