MULTIFLAME TORCH AND METHOD OF BLANK HEATING Russian patent published in 2017 - IPC F23D14/38 

FIELD: electricity-producing industry.

SUBSTANCE: multiflame torch (10) has a number of torch heads (1) and connecting pipes (4) provided for them, which are designed to create at least one flame sweep of the torch, oriented along the axis of the flame sweep, at least half of the connecting pipes (4) are cranked, so that the axes of the flame sweeps of each of the adjacent torch heads (1) are oriented at an angle to each other, and the torch heads (1) are provided with at least two groups (A, B) of torch heads (1). The torch heads (1) of at least one first group (A) are arranged alternately with the burner heads of at least one other group (B) and the axis of the flame flames of the burner heads (1) of the at least one first group (A) are oriented to angle to the axes of the flame flames of the burner heads (1) of at least one other group (B). The torch heads (1) within each group (A, B) are arranged in substantially the same direction, respectively. The torch heads (1) inside each group (A, B) are arranged parallel to each other, respectively. The connecting pipes (4) are connected by means of a screw connection, each rotatable with a corresponding connecting branch pipe. The connecting branch pipes at their respectively other end are attached to one common supply channel (2) and are supplied with fuel through the mentioned common supply channel (2).

EFFECT: invention allows to increase the operational reliability of the torch.

16 cl, 3 dwg