| abstract |
A kind of plastic cement blending fire retardant cable jacket inside pipe wall cleaning method, including a metal tube, one end closure of metal tube, sealing end is cased with sponge, the metal tube other end is equipped with connector, water pump is connected by water pipe, metal tube stage casing is equipped with water jet, sponges cover is cased on stage casing, sponges cover inner wall is equipped with plastic sheath, plastic sheath inner wall is equipped with the fin that section is triangle, the plastic sheath inner wall left and right ends are equipped with annular ridge, annular ridge side wall is equipped with spherical groove, ball built in spherical groove, spherical groove slot bottom is equipped with deep trouth, deep trouth is built-in with spring and withstands on ball, the metal tube water jet both sides are equipped with annular groove, ball rolls in annular groove, when metal tube is inserted in outer tube, sponge contacts with outer sleeve inner wall.Metal tube front end sponge carries out primary dedusting, then carries out secondary cleaning by sponge, and paraffin dilution finishes, and toughener glows, and is applied to outer casing inner wall by sponge, plays toughening effect. |