Composite sound absorption and insulation wall used in boiler area of thermal power plant

The utility model relates to noise control equipment used in a boiler area of a thermal power plant, in particular to a composite sound absorption and insulation wall used in the boiler area of the thermal power plant, and aims to solve the technical problems that in the prior art, the comprehensive effect of noise reduction is poor, the implementation period is long, and the equipment maintenance investment is heavy. The composite sound absorption and insulation wall comprises a steel frame (2), wherein a composite sound absorption and insulation wall body is arranged on the steel frame (2); a wall structure is integrally formed by connecting a plurality of vertical columns (2), purlins (3) and the steel frame (1); the composite sound absorption and insulation wall body comprises a brick wall base (4); the brick wall base (4) is arranged at the bottom of the composite sound absorption and insulation wall body; a ventilating and soundproofing louver (5) is arranged on the brick wall base (4); a sound absorption and insulation wall surface (6) is arranged on the ventilating and soundproofing louver (5); a light collecting window (7) is arranged on the sound absorption and insulation wall surface (6); a sound insulation door (8) is arranged at the bottom of the composite sound absorption and insulation wall body.