The utility model relates to an aromatic hydrocarbon production field specifically is the equipment of the high pure toluene of benzene and methyl alcohol alkanisation production, xylol aromatic hydrocarbon, including the heating furnace, heating furnace access connection benzene feed pipeline, methyl alcohol feed pipeline and circulation benzene pipeline, the import of heating furnace exit linkage reactor top, methyl alcohol feeding branch line is connected in the side -entrance in the middle of the reactor, the top import of reactor bottom exit linkage reaction liquid knockout drum, the exit linkage water washing tank lateral part import of reaction liquid knockout drum bottom, water washing tank top access connection demineralized water pipeline, the import of water washing tank top reaction liquid exit linkage benzene tower, the exit linkage benzene tower return tank top import of benzene top of the tower portion, benzene tower return tank bottom exit linkage circulation benzene pipeline, the exit linkage toluene tower import of benzene tower bottom, the exit linkage dimethyl benzene column import of toluene tower bottom. The utility model provides the purity of high result improves the conversion rate of benzene and methyl alcohol, further optimizes whole reaction sequence.