Combustion device comprising orthogonally arranged channels
The present invention relates to a combustion device. A combustion device according to one embodiment of the present invention comprises: a fuel manifold for distributing a fuel, which is flowing in, to one or more fuel inlet ports; a plurality of fuel channels receiving the fuel from the fuel manifold and having one or more fuel spray holes on one end; an air inflow duct disposed so as to surround the plurality of fuel channels; a combustion plate supporting one end of the respective fuel channels and having a plurality of air channels for guiding the air flowing into the air inflow duct to a perpendicular direction to the fuel spraying direction of the fuel spray holes; and a combustion chamber disposed toward the combustion plate.
1 . A combustion device comprising:
a fuel manifold configured to distribute fuel flowing into one or more fuel inlets;
a plurality of fuel channels configured to receive the fuel from the fuel manifold and including one or more fuel spraying holes in one end;
an air inlet duct arranged to surround the plurality of fuel channels;
a combustion plate configured to support one end of each of the plurality of fuel channels and including a plurality of air channels that guide air introduced into the air inlet duct in a direction perpendicular to a fuel spraying direction of the one or more fuel spraying holes; and
a combustion chamber disposed toward the combustion plate, and
wherein the one or more fuel inlets comprise:
a main fuel inlet configured to supply main fuel to a plurality of main fuel channels among the plurality of fuel channels; and
a pilot fuel inlet configured to supply pilot fuel to a plurality of pilot fuel channels among the plurality of fuel channels, and
wherein the combustion plate includes a plurality of segments arranged in a first direction and a second direction perpendicular to the first direction,
wherein the plurality of main fuel channels are respectively disposed at nodes where corners of the plurality of segments meet each other, and
wherein the plurality of pilot fuel channels are disposed at respective centers of the segments.
2 . The combustion device of claim 1 , wherein the one or more fuel spraying holes are disposed in a lateral surface of one end of a fuel channel among the plurality of fuel channels, and
wherein the air channels are holes or slits formed in the combustion plate to correspond to the plurality of one or more fuel spraying holes, respectively.
3 . The combustion device of claim 2 , wherein the combustion plate is disposed more inward in a direction toward a fuel inlet among the one or more fuel inlets than a fuel spraying hole among the one or more fuel spraying holes.
4 . The combustion device of claim 2 , wherein the one or more fuel spraying holes are disposed in a lateral surface of the fuel channel at regular intervals, and
wherein the plurality of air channels are arranged in a cross shape to correspond to the one or more fuel spraying holes.
5 . The combustion device of claim 1 , wherein a fuel spraying hole of a main fuel channel among a plurality of main fuel channels and a fuel spraying hole of a pilot fuel channel among a plurality of pilot fuel channels have different fuel spraying angles.
6 . The combustion device of claim 1 , wherein a fuel spraying hole of a main fuel channel among a plurality of main fuel channels is disposed such that a fuel spraying angle is inclined by 45 degrees with respect to a fuel spraying angle of a fuel spraying hole of a pilot fuel channel among a plurality of pilot fuel channels.
7 . The combustion device of claim 1 , wherein the plurality of air channels comprise:
a plurality of main air channels corresponding to the one or more fuel spraying holes of a main fuel channel among a plurality of main fuel channels; and
a plurality of pilot air channels corresponding to the one or more fuel spraying holes of a pilot fuel channel among a plurality of pilot fuel channels, and
an imaginary line extending through the plurality of main air channels and an imaginary line extending through the plurality of pilot air channels intersect each other at an angle other than a right angle.
8 . The combustion device of claim 1 , wherein the fuel manifold comprises:
one or more fuel distribution guides configured to guide main fuel flowing in from the main fuel inlet and pilot fuel flowing in from the pilot fuel inlet to different paths, respectively; and
one or more distribution plates including a plurality of fuel distribution holes for supplying the main fuel and the pilot fuel distributed along a fuel distribution guide among the one or more fuel distribution guides to respective one ends of the plurality of main fuel channels and respective one ends of the plurality of pilot fuel channels.
9 . The combustion device of claim 8 , wherein the one or more distribution plates include a first distribution plate and a second distribution plate sequentially arranged in a movement direction of the fuel, and
wherein a pair of fuel distribution guides are disposed on a front surface and a rear surface of the first distribution plate, respectively.
10 . The combustion device of claim 9 , wherein the plurality of fuel distribution holes included in the first distribution plate and the plurality of fuel distribution holes included in the second distribution plate are arranged so as not to overlap each other.
11 . The combustion device of claim 1 , further comprising one or more air distribution plates disposed inside the air inlet duct to support the plurality of fuel channels, and including a plurality of air distribution holes.
12 . A combustion device comprising:
a fuel manifold configured to distribute fuel flowing into one or more fuel inlets;
a plurality of fuel channels configured to receive the fuel from the fuel manifold and including one or more fuel spraying holes in one end;
an air inlet duct arranged to surround the plurality of fuel channels;
a combustion plate configured to support one end of each of the plurality of fuel channels and including a plurality of air channels that guide air introduced into the air inlet duct in a direction perpendicular to a fuel spraying direction of the one or more fuel spraying holes; and
a combustion chamber disposed toward the combustion plate,
wherein the one or more fuel inlets comprise:
a main fuel inlet configured to supply main fuel to a plurality of main fuel channels among the plurality of fuel channels; and
a pilot fuel inlet configured to supply pilot fuel to a plurality of pilot fuel channels among the plurality of fuel channels,
wherein the plurality of air channels comprise:
a plurality of main air channels corresponding to fuel spraying holes of the main fuel channel;
a plurality of pilot air channels corresponding to fuel spraying holes of the pilot fuel channel, and
an imaginary line extending through the plurality of main air channels and an imaginary line extending through the plurality of pilot air channels intersect each other at an angle other than a right angle,
wherein the plurality of main fuel channels are not arranged on an imaginary line extending through the plurality of pilot air channels, and
wherein the plurality of pilot fuel channels are arranged on an imaginary line extending through the plurality of main air channels.
13 . A combustion device comprising:
a fuel manifold configured to distribute fuel flowing into one or more fuel inlets;
a plurality of fuel channels having a plurality of fuel spraying holes in one side,; and
a combustion plate including a plurality of air channels arranged to correspond to the plurality of fuel spraying holes to support respective one ends of the plurality of fuel channels and guide air perpendicularly with a fuel spraying angle of the plurality of fuel spraying holes, and
wherein the plurality of fuel channels include a plurality of pilot fuel channels supplying pilot fuel and a plurality of main fuel channels supplying main fuel, and a fuel spraying hole of the main fuel channel is disposed such that a fuel spraying angle of the fuel spraying hole is inclined at a predetermined angle with respect to a fuel spraying angle of a fuel spraying hole of the pilot fuel channel, and
wherein the one or more fuel inlets comprise:
a main fuel inlet configured to supply main fuel to the plurality of main fuel channels among the plurality of fuel channels; and
a pilot fuel inlet configured to supply pilot fuel to the plurality of pilot fuel channels among the plurality of fuel channels, and
wherein the combustion plate includes a plurality of segments arranged in a first direction and a second direction perpendicular to the first direction,
wherein the plurality of main fuel channels are respectively disposed at nodes where corners of the plurality of segments meet each other, and
wherein the plurality of pilot fuel channels are disposed at respective centers of the segments.