It would seem obviously gas, it is the most favorable energy carrier, and if your boiler room has a connection to a trunk gas pipeline, then alternative this kind Fuel should not search.

But, unfortunately, there are situations that can make adjustments to the work of your thermal point. The main purpose of the combined burner is the possibility of transition from the main type of fuel to the backup. For example: the application of the backup type of fuel is mandatory at the facilities of the first category, according to SNiP of the Russian Federation 41-01-2003 - Social institutions (kindergartens, schools, medical institutions), art galleries, mines, chemical and special production and so on. This can also include objects. strategic valueMaintaining the Ministry of Defense, MOE and other government departments.

In the usual situation for changing the energy carrier, it is necessary to dismantle one burner from the heating boiler and, accordingly, mount the other, with all the ensuing consequences - installation, setting, and so on. The principle of operation of the combined burner is that in the absence of the main type of energy (as a rule, it is gas), for some reason, it turns on to the burner of the backup energy, diesel fuel, fuel oil or oil. Moreover, without replacing the burner itself.

In terms of the type of fuel, the combined burners are divided into gas burners / diesel fuel and gas / fuel oil (oil). Structurally, the burner in one case contains all the necessary nodes to work on the main or backup energy carrier: the burner housing, a fan with a motor, a flame head, control elements and automation (melting machine, transformer, etc.), gas ramp fuel pump, fuel heater (fuel oil, oil), accompanying components.

When choosing a burner, it is necessary to repel from the same introductory as when choosing a single-fuel burner - the power of the boiler installation, the aerodynamic coating of the heat exchanger, the gas pressure, the fuel viscosity. Accordingly, according to the type of regulation, all the same is a single-stage, two-step, smooth-two-step (as a rule, this mode is available only for gas, when the PID connected the knob and the burner sensor will operate in modulation mode).

Combined burners - burners to work on two or three types of fuel. These burner devices combine developments that are used in the production of gas and liquid fuel burners. Various fuel combinations can be used as fuel: gas diesel, gas-fuel oil, gas oil, etc. Also, there are solutions to possibly the use of two types of gas and liquid fuel. Wherein combined burners can be both with one ramp and two.

The main areas where apply combined burners There are boiler houses of housing and communal services, as well as boiler houses of various industries. In boiler houses, combined burners are set significantly less. The combined burner is the guarantor of the continuous operation of the boiler room, even when the main type of fuel is disconnected. The combination burner includes: burner housing, a mixing device with a swirl, an automatic fuel ignition system, a burner control automation, air fan, built-in liquid fuel pump, gas rampFuel hoses and other equipment. By type of regulation, combined burners are divided into single-stage, two-stage, three-stage, smooth-two-stage and modulated. When working on liquid fuel, the burners can only work insingle-step, two-stage and three-step mode.

Combined burners For boilers, like other burners are selected. However, it is necessary to consider on what fuel can the boiler, for which the burner is selected. Not all boilers can work on severe liquid fuels. For example, fuel oil or oil. Therefore gas-fuel oil and gas oil burners Can not be used on all boilers.

Gas-diesel burners

Gas-fledged and gas oil burners