Sectional successive dust absorption opening system used for high-count short-fiber yarn warp-knitting weaving

The invention provides a sectional successive opening dust absorption system used for high-count short-fiber yarn warp-knitting weaving. Dust vacuuming pipe is conveniently and sectionally assembled according to needs; the lengths of a sectional upper pipe and a sectional lower pipe can be cut according to practical dimensions of a dust absorption part of equipment; two ends of the sectional upperpipe which is cut according to needs are sealed; a solenoid valve is arranged on any one end, so that controllable connection and disconnection between the sectional upper pipe and the sectional lower pipe are realized; rapid connectors are arranged on two ends of the sectional lower pipe; sectional lower pipes of a plurality of dust absorption pipe groups are mutually connected by using tubes soas to form a dust absorption pipe group which covers a whole working face; all solenoid valves are controlled in a servo programmable manner; parameters of the number of openings, intervals and opening ranges can be controlle