▎ 摘　　要

NOVELTY - A grounding calcium bentonite based friction reducer comprises 1-99 %mass calcium bentonite, 1-30 %mass carbon fiber, 0.1-30 %mass ammonium chloride, 0.1-30 %mass calcium oxide, 0.1-30 %mass zinc powder, 0.1-30 %mass nickel powder, 0.1-60 %mass ammonium persulfate, 0.1-15 %mass sodium molybdate, 5-60 %mass conductive cement, 0.1-6 %mass graphene, 0.1-30 %mass aluminum powder, 0.1-60 %mass aniline and 0.1-15 %mass sodium tripolyphosphate. USE - Grounding calcium bentonite based friction reducer used in acid soil area, mountain area, rock, sand and high erosion area. ADVANTAGE - The grounding calcium bentonite based friction reducer has long term usability, excellent acid and alkali resistance, excellent chemical resistance and solves construction difficulty and other defects, and solves strong electrolyte of friction reducer. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of grounding calcium bentonite based friction reducer, which involves mixing ammonium sulfate, sodium tripolyphosphate and sodium molybdate to obtain mixed solution, adding aniline, ammonium chloride and calcium based bentonite to obtained mixed solution in mass ratio of 1:1, mechanical stirring for 10-60 minutes, holding for 2-6 hours, adding carbon fiber, graphene, zinc powder, aluminum powder, nickel powder and calcium oxide to the mixture, adding conductive cement, uniformly mixing, and coating mixture around the grounding portion. The mass ratio of ammonium sulfate, sodium tripolyphosphate and sodium molybdate to water is 1:6.