Patent ID: 11885492
Assignee: SUZHOU TPRI ENER & ENVIRO TECH CO., LTD.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 11:
12. A steam soot blowing device, comprising:
a steam sootblower;
a first pipe communicating with the steam sootblower; and
a group of nozzle assemblies communicating with the first pipe, each group of nozzle assemblies comprising a first nozzle assembly and a second nozzle assembly, wherein the first nozzle assembly comprises a throttle pipe with one end communicating with the first pipe, and a sprayer communicating with an other end of the throttle pipe, a throttle shrinkage hole is provided inside the throttle pipe, a diameter of the throttle shrinkage hole being smaller than a diameter of the throttle pipe, and a diameter of an inlet of the sprayer is smaller than a diameter of an outlet thereof;
wherein the second nozzle assembly comprises a distribution pipe communicating with the first pipe and at least one nozzle communicating with the distribution pipe,
wherein a steam jet velocity at the outlet of the sprayer is smaller than a steam jet velocity at an outlet of the at least one nozzle;
wherein a block is arranged inside the throttle pipe, and the block is located downstream of the throttle shrinkage hole.