VERTICAL HOT-WATER BOILER Russian patent published in 2002 - IPC

FIELD: heating of water, applicable in heating systems. SUBSTANCE: the boiler has a body and a central shell attached to the body by the frames of the loading and ash hatches and outlet gas duct, water jacket and a combustion chamber that is provided with turbulators in the form of a tube bank. The tube bank is made in the form of lane-arranged rows grouped in blocks alternately inclined to the opposite sides at an angle to the horizon, consisting at least of two main rows of tubes, the distances between them in the horizontal and vertical, in the projection on the plane tangential to the generating lines of the shell cylinder and perpendicular to the rows of tubes equal to the value of rated crosspiece L, and between the blocks - to 1.75 L, with installation inside the blocks, between every two horizontal rows, of additional staggered rows of tubes having the same inclination, the value of the crosspiece in the projection to the mentioned planes, between the tubes of the additional and main rows shall be not less than the rated one. EFFECT: enhanced efficiency of boiler operation. 2 dwg