HOSE FILTER Russian patent published in 2005 - IPC

FIELD: ferrous and nonferrous metallurgy; industry of construction materials; chemical industry; food industry and other branches of industry; cleanout of gases from solid particles.

SUBSTANCE: the invention is intended for cleanout of gases from solid impurities by a method of a filtration and may be used for a dust trapping in ferrous and nonferrous metallurgy, industry of construction materials, chemical industry, food industry and other branches of industry. The hose filter consists of a filtering hose, distributing pipes with nozzles, a means to fix the hose to a hose plate, a diffuser and a covered with a filtering cloth sectional composite skeleton. For the purpose to increase efficiency of regeneration of the hoses and reliability of the filter operation and for simplification of replacement of the hoses, the upper section of the skeleton does not reach the hose plate by 50 ÷ 300 mm, and the lower end of the last section is inserted into a barrel with the height of its wall by 10 ÷ 100 mm greater, than the total backlashes between prominences of a diffuser and a top of the first section and between a flange of the diffuser and a stop fixed to the distributing pipe. At the bottom of the barrel in its middle there is a sharp-edge nozzle coupled with the nozzle of the distributing pipe.

EFFECT: the invention ensures increased efficiency of regeneration of the hoses and reliability of the filter operation and for simplification of replacement of the hoses.

2 cl, 1 dwg