Hybrid anaerobic reaction tank convenient for civil engineering construction

The utility model relates to a hybrid anaerobic reaction tank convenient for civil engineering construction. The hybrid anaerobic reaction tank comprises a steel bar skeleton; the steel bar skeleton comprises circular ring threaded steel bars; the circular ring threaded steel bars penetrate through arc-shaped round sleeves; an upper left connecting hole, an upper middle connecting hole and an upper right connecting hole are formed in the top of each arc-shaped round sleeve, a lower left connecting hole, a lower middle connecting hole and a lower right connecting hole are formed in the bottom of the arc-shaped round sleeve, the upper left connecting hole is connected with an upper left connecting sleeve, the upper middle connecting hole is connected with an upper middle connecting sleeve, the upper right connecting hole is connected with an upper right connecting sleeve, the lower left connecting hole is connected with a lower left connecting sleeve, the lower middle connecting hole is connected with a lower middle connecting sleeve, the lower right connecting hole is connected with a lower right connecting sleeve, the upper left connecting sleeve and the lower right connecting sleeve are connected with each other through right oblique threaded steel bars and are plugged and positioned by steel bar skeleton-shaped plug-in pieces, and the upper middle connecting hole and the lower middle connecting hole are connected with each other through straight threaded steel bars and are plugged and positioned by steel bar skeleton-shaped plug-in pieces. The hybrid anaerobic reaction tank is used for civil engineering construction.