Noise reduction partition plate for underground powerhouse of pumped storage power station

• Main Authors: LIU XIAODONG, ZHAO YINGJIU, CHAI SHAOTAI, MA XIAO
• Format: Patent
• Language: Chinese; English
• Published: 14.05.2024
• Subjects: BUILDING; CEILINGS; FIXED CONSTRUCTIONS; FLOORS; GENERAL BUILDING CONSTRUCTIONS; INSULATION OR OTHER PROTECTION OF BUILDINGS; ROOFS; WALLS, e.g. PARTITIONS

The noise reduction partition plate comprises a main plate body (12), a cavity (13) is formed in the main plate body (12), a reinforcing net (14) is arranged in the cavity (13), sound insulation plates (15) are arranged on the two side faces of the reinforcing net (14), a damp-proof layer (16) is arranged on the face, close to a rock wall, of the cavity (13), and a porous sound absorption layer (17) is arranged on the face, close to the plant, of the cavity (13). Splicing columns (121) are arranged on the four edges of the main plate body (12), splicing grooves are formed in the splicing faces of the splicing columns (121), in every two opposite splicing columns (121), a plurality of trapezoid grooves (122) are formed in the splicing groove of one splicing column (121), and a plurality of trapezoid inserting blocks (123) connected with the trapezoid grooves (122) in a matched and clamped mode are arranged in the splicing groove of the other splicing column (121). The noise reduction structure has the advantag