GB172838A - Improvements in and relating to separators for gaseous substances, dust collectors, spark arrestors, dust extractors and the like - Google Patents

Abstract

172,838. Morris, F. Nov. 1, 1920. Density separa - tors.- In separators for gaseous s u b - stances, dust-extractors, spark-arresters, &c., the mixture of gas and suspended particles enters the chamber by a helic a 1 path and is caused to leave the helical portion as far from the axis as possible. The casing a has a truncated conical tube g secured over an opening d for the admission of gas. A central core j is placed inside the tube as shown and helical vanes h are secured between the cone and tube. Another cone k may be attached to the cone j. A tube l is secured to the casing over an opening e immediately opposite the opening d; the diameter of the tube is smaller than the diameter of the adjacent end of the conical tube g. The gas is drawn into the apparatus through the opening d, is given a rotary motion by the vanes h, and is forced away from the axis by the cone j. When it emerges from the tube g, the dust or other suspended matter passes into the chamber r and the clean gas passes out through the tube l. The dust collects in a rotary valve m at the bottom of the casing and is discharged by turning the valve. The cones j, k may be replaced by tubes passing through the tubes g, l and carrying a rod to keep the parts in their proper positions. In this case the vanes h are given an inclination and shape to throw the gas away from the axis. In a modification, the conical tube g is secured to a cylindrical inlet tube instead of directly to the casing. In another modification, two stays are provided as shown in Fig. 8, the first separation occurring in the chamber y and the second in the chamber r. The discharge valve may have a number of chambers which discharge through an orifice in the casing. Another modification is adapted for use in a locomotive type of funnel, and baffle-plates cause the separated cinders to pass into ducts leading to discharge valves. The Provisional Specification states that the dust may be collected in chambers which communicate with the lower part of the casing by means of slides and traps, and may be removed through a door in the lower part.