Burner and method of its operation

A liquid fuel-fired furnace installation comprising

• a fuel tank (1);
• a fuel evaporation plate (2);
• a fuel vapor distribution plate (3);
• a pipe (7) connecting the fuel tank (1) to the evaporation plate (2);
• a vapor outlet (8) furnished on the evaporation plate (2);
• a vapor flow cut-off valve (4) connected to the vapor outlet (8);
• an external heating plate (9) furnished at the evaporation plate (2):
• a fuel inlet (10) for ignition installed at the external heating plate (9):
• an inlet stub pipe (11) connected to the fuel vapor distribution plate (3);
• wherein the fuel vapor distribution plate (3) is connected with the inlet stub pipe (11);
• shaped holes (12) disposed in an upper part of the fuel vapor distribution plate (3), wherein the fuel vapors are exhausted through the shaped holes (12);
• a second fuel tank (14) disposed in parallel to the first fuel tank (1);
• a pipe conduit (15) connecting the second fuel tank (14) to the first fuel tank(1);
• wherein the evaporation plate (2) and the distribution plate (3) are placed between the first fuel tank (1) and the second fuel tank (14);
• a metering pump (18) furnished to the first tank (1) near the fuel inlet (10);
• a trough-shaped heating plate (9) installed under the fuel inlet (10);
• a wick (21) is located at the trough-shaped heating plate, and all mentioned subassemblies are closed in the shield (24) with ventilation slots (25).

A liquid fuel-fired furnace installation comprising

• a fuel tank (1);
• a fuel evaporation plate (2);
• a fuel vapor distribution plate (3);
• a pipe (7) connecting the fuel tank (1) to the evaporation plate (2);
• a vapor outlet (8) furnished on the evaporation plate (2);
• a vapor flow cut-off valve (4) connected to the vapor outlet (8);
• an external heating plate (9) furnished at the evaporation plate (2);
• a fuel inlet (10) for ignition installed at the external heating plate (9);
• an inlet stub pipe (11) connected to the fuel vapor distribution plate (3);
• wherein the fuel vapor distribution plate (3) is connected with the inlet stub pipe (11);
• shaped holes (12) disposed in an upper part of the fuel vapor distribution plate (3), wherein the fuel vapors are exhausted through the shaped holes (12);
• a set of heaters (26) installed in a furnace installation control system, replacing the heating plate (9) and an electro-valve (27) and a temperature sensor (28) of the distribution plate (3) and a temperature sensor (29) of the evaporation plate (2), as well as a system of automatic spark ignition (30, 31) and a system of safety sensors, comprising a movement sensor (32), a carbon oxide sensor (33) or optionally a carbon dioxide sensor, a humidity sensor (34), wherein a fuel inlet (5) in the first tank (1) is shielded with a movable cover (35) connected with a switch (36), shutting down the installation if the cover (35) is opened during the system operation.

A method of operation of a furnace installation comprising the steps:

• delivering fuel (P) with a pipe (7) to an evaporation plate (2) in gravitational mode according to connected vessels rule;
• leaving an aerial layer over a fuel table (13);
• preventing fuel (P) from entering a valve stub pipe (4. 27);
• thereafter delivering a small amount of fuel into a fuel inlet (10) for ignition;
• igniting the small amount of fuel in a heating plate (9) thereby causing fast heating of the evaporation plate (2) filled with the fuel (1);
• generating fuel vapors under an influence of evaporation and raised pressure:
• transferring the fuel vapors into a valve stub pipe (4. 27) and via an inlet sub pipe (8) into a distribution plate (3);
• propagating and exhausting the fuel vapors via shaped holes (12) on the whole plate length;
• igniting the fuel vapors from the flame in the heating plate (9);
• causing a heating of the distribution plate (3) after fuel depletion in the heating plate (9) by the fuel vapors combusted over the distribution plate (3);
• transferring the heat of the distribution plate (3) onto the evaporation plate (2);
• keeping a fuel evaporation process and a combustion on a targeted level in a self-acting manner until the fuel in tank (1) is depleted;
• operating a pilot-operated (39) electronic control system;
• allowing an automatic ignition with a spark delivered from a spark generator (30);
• equipping the installation with an automatic flame extinguishing system, starting up the installation;
• self-controlling the furnace installation after starting up with respect to combustion parameters;
• detecting dangerous concentrations of generated gases, system leakages and improper transport/installation.

A method of operation of a furnace installation comprising the steps:

• delivering fuel (P) with a pipe (7) to an evaporation plate (2) in gravitational mode according to the connected vessels rule;
• leaving an aerial layer over a fuel table (13);
• preventing fuel (P) from entering a valve stub pipe (4, 27);
• thereafter delivering a small amount of fuel into a fuel inlet (10) for ignition;
• igniting the small amount of fuel in a heating plate (9) thereby causing fast heating of the evaporation plate (2) filled with the fuel (P);
• generating fuel vapors under an influence of evaporation and raised pressure;
• transferring the fuel vapors into a valve stub pipe (4, 27) and via an inlet stub pipe (8) into a distribution plate (3);
• propagating and exhausting the fuel vapors via shaped holes (12) on the whole plate length;
• igniting the fuel vapors from the flame in the heating plate (9);
• causing a heating of the distribution plate (3) after fuel depletion in the heating plate (9) by the fuel vapors combusted over the distribution plate (3);
• transferring the heat of a distribution plate (3) onto the evaporation plate (2);
• keeping a fuel evaporation process and a combustion on a targeted level in a self-acting manner until the fuel in tank (1) is depleted;
• furnishing a system with fuel vapor combustion extinguishing, resulting from closing a valve (4, 27) effecting a fuel vapor cut-off;
• closing the valve (4, 27) of the fuel vapor cut-off;
• forming an overpressure within the evaporation plate (2) and a push-out of fuel (P) into the fuel (P) tank (1);
• mixing of the heated fuel (P) with cool fuel in fuel tank (1);
• terminating the evaporation process;
• interrupting contact of the fuel (P) with the heated elements of the evaporation (2);
• installing the venting system (6) in the fuel tank (1) for protecting the system against a pressure rise, wherein the fuel tank (1) has an enlarged capacity as compared to a nominal value, wherein the relocation of fuel (P) from the evaporation plate is not accompanied by an overfilling of the tank (1).

A method of operation of a furnace installation comprising the steps:

• delivering fuel (P) with a pipe (7) to an evaporation plate (2) in gravitational mode according to the connected vessels rule;
• leaving an aerial layer over a fuel table (13);
• preventing fuel (P) from entering a valve stub pipe (4, 27);
• thereafter delivering a small amount of fuel into a fuel inlet (10) for ignition;
• igniting the small amount of fuel in a heating plate (9) thereby causing fast heating of the evaporation plate (2) filled with the fuel (P);
• generating fuel vapors under an influence of evaporation and raised pressure;
• transferring the fuel vapors into a valve stub pipe (4, 27) and via an inlet stub pipe (8) into a distribution plate (3);
• propagating and exhausting the fuel vapors via shaped holes (12) on the whole plate length;
• igniting the fuel vapors from the flame in the heating plate (9);
• causing a heating of the distribution plate (3) after fuel depletion in the heating plate (9) by the fuel vapors combusted over the distribution plate (3);
• transferring the heat of a distribution plate (3) onto the evaporation plate (2);
• keeping a fuel evaporation process and a combustion on a targeted level in a self-acting manner until the fuel in tank (1) is depleted;
• furnishing a system with fuel vapor combustion extinguishing, resulting from closing a valve (4, 27) effecting a fuel vapor cut-off;
• closing the valve (4, 27) of the fuel vapor cut-off;
• installing a second fuel tank (14) for enlarging the volume of the collected fuel (P);
• installing a fuel inlet (5) in the first fuel tank;
• installing a pipe (15) connecting the second tank (14) to the first tank (1) and the fuel (P) is poured into the second tank (14) through the pipe (15);
• connecting the evaporation plate (2) to the pipe (15) with a stub pipe (16);
• equipping the first tank with a first venting stub pipe (6);
• equipping the second tank with a second venting stub pipe (17);
• locating the first tank at a level assuring continuous gravitational supply of the fuel (P) used;
• locating the second tank at a level assuring continuous gravitational supply of the fuel (P) used;
• inclining the first tank (1) for allowing flow of the fuel (P);
• inclining the second tank (14) for allowing flow of the fuel (P);
• installing a manual pump (18) at the first tank (1);
• inclining the first tank for allowing flow of the fuel (P) near the fuel inlet (5);
• opening a protective cover (19) for accessing the fuel inlet (5) and the manual pump (18);
• pressing the pump (18) sucks the fuel (P) from the first tank (1) and pressing the fuel into the trough-shaped heating plate (9) through the stub pipe (20);
• locating a wick (21) in a trough;
• igniting the wick (21) through a slot (22) in a fire grate (23) thereby allowing ignition of the fuel (P) in the heating plate (9);
• connecting the evaporation plate (2) with the distribution plate (3) through the cut-off valve (4);
• transferring evaporated vapors into the distribution plate (3), where the evaporated vapors come out under the influence of a small overpressure and temperature through a train of holes over the distribution plate (3), where the evaporated vapors are combusted.