Extra-high pressure emulsion pipeline backwashing device

The utility model discloses an extra-high pressure emulsion pipeline backwashing device which comprises an extra-high pressure emulsion pipeline, a filter is arranged on the extra-high pressure emulsion pipeline, and the extra-high pressure emulsion pipeline is connected with backwashing pipelines at the two ends of the filter. A waste liquid pipeline and a valve A used for normal liquid supply are sequentially arranged between the liquid inlet end of the extra-high pressure emulsion pipeline and one end of the backwashing pipeline, a valve D used for normal liquid supply is arranged at the position, located on the outer side of the other end of the backwashing pipeline, of the liquid outlet end of the extra-high pressure pipeline, and the waste liquid pipeline is further provided with a valve C used for controlling waste liquid to flow out. A valve E is arranged at one end of the backwashing pipeline, and a valve B is arranged at the other end. According to the utility model, the problem that the existing fi