Pipeline noise reduction device and pipeline

• Main Authors: CHEN LIE, LI SHAODAN, XIAO QI, DAI LU, YANG XIAOHU, LIAO MENGRAN, XU GUANGZHAN, MA CAN, SONG PING, LIU YONG, WEI ZHIGUO, CAO GUANGMING
• Format: Patent
• Language: Chinese; English
• Published: 01.03.2024
• 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; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The invention relates to the technical field of air noise reduction, and provides a pipeline noise reduction device and a pipeline. The pipeline noise reduction device comprises a sound reflection layer and an air noise reduction assembly; the sound reflection layer is suitable for being arranged on the outer side of the pipeline in a sleeving mode, an installation space is formed between the sound reflection layer and the outer side of the pipeline, and the air noise reduction assembly is arranged in the installation space; the air noise reduction assembly comprises a sound production film, an impact ball, a connecting rod, a first guide rail, a second guide rail and a sound vibration collecting piece, the first guide rail and the second guide rail are sequentially arranged in the circumferential direction of the sound reflection layer, and the two opposite sides of the sound production film are slidably arranged on the first guide rail and the second guide rail correspondingly; the two opposite sides of the