Freezing construction method for protecting urban municipal pipelines

The invention discloses a freezing construction method for protecting urban municipal pipelines. The freezing construction method for protecting the urban municipal pipelines comprises the following steps of 1, surveying an urban land, and conducting surveying according to regional division; 2, designing specific distribution positions for excavation of a water supply pipe network; 3, constructingthe urban municipal water supply pipe network; and 4, scientifically managing and maintaining the urban municipal water supply pipe network. According to the freezing construction method for protecting the urban municipal pipelines, the probability that urban water supply pipelines are frozen in winter is greatly reduced, the problem of urban water supply is avoided, and the inner walls of the excavated pipelines are subjected to heat preservation and reinforcement treatment, so that the situation that when water pipes burst, the collapse occurs, and the work progress of rush repair is influenced is avoided; and mean