一种风道出口消声器

• Format: Patent
• Language: Chinese
• Published: 24.06.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; PIPES; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

本实用新型公开了一种风道出口消声器，涉及降噪技术领域，解决风机排气直立风道出口降噪的技术问题，包括圆柱形的消声器主体，在消声器主体顶部焊接的防雨盖，在消声器主体底部焊接的扰动锥体；所述消声器主体外壁中部连接一对吊耳，所述消声器主体外壁底部连接若干固定支脚；所述消声器主体的内壁结构设置成若干层噪声处理材料，并且其内部空间设置若干阻抗式消音片，这些阻抗式消音片相互平行设置；本实用新型消声器对中、高频宽带特性的噪音有较好的阻性吸音降噪效果，对低、中频和脉动特性时有良好的抗性消声降音效果，其中内壁结构和阻抗式消音片使得降噪效果良好。