Combined device for efficiently recovering solvent chlorobenzene in naphthol production

The utility model relates to the field of efficient solvent recovery and cyclic utilization devices, and discloses an efficient solvent chlorobenzene recovery combined device in naphthol production, which comprises a chlorobenzene separator, a spiral tube type heat exchanger, a first spiral plate heat exchanger, a chlorobenzene storage tank, a chlorobenzene water segregator, a wastewater tank and a second spiral plate heat exchanger, the chlorobenzene separator, the spiral tube type heat exchanger and the first spiral plate heat exchanger are arranged in series, and the chlorobenzene separator, the chlorobenzene storage tank, the chlorobenzene water segregator and the bottom of the wastewater tank are arranged in parallel. The problem of low azeotropic condensation efficiency of chlorobenzene and water is effectively solved, and the recovery rate of the solvent chlorobenzene in azoic coupling component production is greatly improved. 本实用新涉及溶剂高效回收、循环利用装置领域，公开了一种色酚生产中溶剂氯苯高效回收组合装置，包括氯苯分离器、螺旋管式换热器、第一螺旋板换热器、氯苯储罐、氯