MD chamber pulse dust catcher shaft kiln energy saving, reliable, economic and reasonable, to improve the working conditions of industrial and mining enterprises, the use of fabric filter effect of dust filters, gas when dusty gas into the bag filter, large particles, major dust, due to the effect of gravity settling down, fall into the hopper, contains the fine dust of gas through the filter material, The dust is trapped and the gas is purified. MD sub - chamber pulse dust collector vertical kiln bag dust collector has made due contribution to protect health and prevent pollution.