Ventilation silencer for indoor transformer substation

• Main Authors: YU MENGDI, MA YIPING, HE KAN, WANG PUYAN, ZHOU DONGJIE, JIN QUAN
• Format: Patent
• Language: Chinese; English
• Published: 18.10.2019
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The utility model discloses a ventilation silencer for an indoor transformer substation, which is arranged in a ventilation duct for the transformer substation and comprises a shell and an inner core.The shell is of a double-layer structure, a plurality of silencing holes are formed in the inner wall of the interior of the shell, and the double-layer structure is filled with sound absorption filler. The inner core is of a hollow strip-shaped structure, extends in the length direction of a ventilation channel for a transformer substation and is arranged in the center in the shell. A pluralityof silencing wing plates are annularly and uniformly distributed on the side surface of the inner core along the axis; each silencing wing plate is of a sheet-shaped structure with the hollow interior. The hollow inner parts of the inner core and each silencing wing plate are filled with sound absorption fillers; a plurality of silencing holes are formed in the side face, facing the inner wall, ofthe inner core and the sid