IMPULSE SAFETY DEVICE OF THE STEAM GENERATOR Russian patent published in 2023 - IPC F16K17/10 

FIELD: safety valves.

SUBSTANCE: invention relates to safety valves, in particular to impulse safety devices for steam release for protecting the second circuit of a steam generator from overpressure. The impulse safety device of the steam generator consists of a main safety valve, a control valve, an impulse valve and a switching device, assembled into a block, while the main safety valve is equipped with a control throttle and is made with an integrated sleeve connected to the cage and seat, and the piston guide rod is attached to the surface, which is made integral with the lower surface of the body, the pulse valve is made with the main and auxiliary springs twisted towards each other, the control valve is made electrically driven and equipped with a steam filter at the inlet, the steam generator device is equipped with a setting valve, to which the steam filter entering the pulse valve is connected .

EFFECT: proposed invention provides an increase in the tightness and operability of structural elements under normal and emergency operation modes and, as a result, an increase in the functional reliability of the structural elements of the SG IPU with the possibility of carrying out installation, revision and repair work without the use of specialized equipment and shutdown of the unit.

5 cl, 19 dwg, 1 tbl