DUST ARRESTER Russian patent published in 1997 - IPC

FIELD: inertial dry gas cleaning. SUBSTANCE: dust arrester includes housing made in form of truncated cone with shutters mounted at angle relative to surface of housing and inlet and outlet branch pipes connected coaxially to housing. Lesser base of housing is connected to inlet branch pipe and larger base is connected to outlet branch pipe. Device is also provided with shut-off adjusting member located in lower portion of outlet branch pipe coaxially relative to housing. Outlet branch pipe is additionally provided with scrapers made in form of rectangular plates which are connected with shut-off adjusting member provided with motion mechanism located coaxially relative to housing and made in form of rod connected with shut-off adjusting member by means of its upper end, lower end being connected with spring received by lower hollow portion of bush. Rod is provided with pin in its upper portion. Pin is fitted with movable washer. Upper part of bush is provided with helical thread. EFFECT: enhanced efficiency. 3 dwg