Patent GB-190501288-A (GB)
Title: Improvements in and relating to Gas Purifying Apparatus applicable for other purposes
Inventor: DREES MICHAEL
Filed: 1905-01-23
Granted: 1906-01-18
Abstract: 1288. Drees, M. Jan. 23. 'Steam separators.-Relates to an apparatus to be used for separating dust, water, or similar admixtures from gases, and applicable also for separating oil from exhaust steam. The apparatus comprises groups of liquid seals, arranged side by side, which are traversed by the gas in parallel streams. In a box, preferably rectangular in plan, are fixed, in planes inclined in correspondence with the desired velocity of the liquid, a series of horizontal overflow channels 2. Projections 3 from the upper channels extend below the seal level of the lower channels. The channels are mounted on pivots 18, so that the resistance of the seal may be adjusted, or the channels may be inverted for cleaning purposes. To economize space, two or more separate paths for the liquid are arranged one within the other, two such paths being shown in Fig. 1. The different paths may be traversed by different liquids. At the places at which the serpentine path of the descending liquid is reversed, a separator 5 is provided to collect mud, tar, and other deposits or secretions from the liquid, cocks and mud blow-outs being provided on the separators. The liquid passes through the cocks 8, 9 into the channel, fills the liquid seal, and flows over the rounded lip of the channel to the next channel, and so on. On leaving the separator, the liquid is reconducted by pipes 4 to the other side of the apparatus and flows through the next set of channels. The liquid finally issues through pipes 10, 11. The gas enters the lower part of the casing through a conduit 12 provided with a valve 14, and, after passing through the liquid seals in the direction indicated by the arrows, leaves the upper part of the casing by an opening 15 provided with a valve 17. The gas may also follow the reverse path. The gas is driven or drawn through the apparatus, the force being preferably applied intermittently, the liquid supply also being preferably regulated so as to send intermittent cascade waves through the apparatus. The pivots 18 may be connected so that all the channels may be adjusted simultaneously. The packing between the ends of the channels and the casing may consist of metal, rubber, felt, or cork disks, or of linen pockets. In an adjustable packing, the pivots of each series are mounted at one end in a channel-iron which slides between two angle-irons fixed on the wall of the casing. The web portion of the channel-iron is faced with suitable material for making a tight joint when the iron is pressed by set-screws against the ends of the channels. Spraying- devices 24 may be arranged in the apparatus. The channels, which may be of various shapes, may also be adjusted so that a portion of the liquid falls over the inner edge of the seal and causes a spraying action. The channels may also be adjusted so that no immersion of the gases takes place, bat only a passage over succeeding surfaces and a spraying action. The immersion wall of the channel is notched and perforated so as to divide the stream of gas finely, the wall being preferably also provided with an horizontal projection at the bottom to cause the gas to remain in contact with the liquid for a longer time. This projection may also be formed by a flexible or displaceablymounted material which tends to float in the liquid. The apparatus may be constructed with a circular base and concentric rings of channels, or in the form of superposed polygons arranged as cones or pyramids.