Патент USA US2404263код для вставки
@July 16, 1946. L. F. ‘WILSON ETAL _ 2,404,263 SEPARATOR FOR BOILER BLOW-OFF PRODUCTS ' Filed Dec. 18, 1944 i .19 1 l . 7/ / I, s INVENTOR‘. ‘ do I’[/JLX607]; @Presil'n, all/2%, ;» 2,404,263 Patented July‘ 16, 1946 UNITED STAT r 2,404,263 , 7 SEPARATOR FOR BOILER BLOWOFF . PRODUCTS Lyndon F. Wilson‘ and Everett A. vPreston, Chi cago, Ill., vassignors to Wilson Engineering Cor poration, Chicago, 111., a corporation of Dela ' ware Application December 18, 1944, Serial-No. 568,663 ‘ 3 Claims. ‘ ' (o1. 183--83?) 1 , This invention pertains to separators for sep arating the blown off“ products, consisting princi pallyof steam and water, from a steam boiler and constitutes‘ an improvement over the separators disclosed in prior Patents Nos. 1,966,776, issued July 17, 1934, and 2,100,095, issued November 23, 1937. r ’ tion with the accompanying drawing. Referring to thedrawi-ng, and locomotive, to relieve them of accumulated sludge and water contamination detrimental to e?icient steaming, the blow-o? products are dis charged approximately at the rate of 150 gallons, The ?rst rush of \ ‘ ' ' i Fig. 1 is a plan View of a separator embodying ' our invention; » In the blowing off of boilers, both‘ stationary; ' or more, of ?uid per ‘minute. should be readily appreciated as ‘the same 136-1‘ comes-better ‘understood by reference to the fGlw lowing description when‘ considered in OOHIIGCi-r I i Fig. ‘2 is a sectional View ‘on ‘the line 12-2 of» Fig. 1'; and ‘ l . v, m V; v Fig. 3 is an elevation looking toward the ‘left zit-Fig.1. ' " ' “ ' 1 v The separator hereillustratedivis oil-cylindrical; contour, adapted to be mounted the top- of a water with its steam i?ash into the separator, locomotive ‘boiler forwardly'of the cab, "as innsmeets ‘cold surfaces and even though separated as 15 been’ tratedmade’ in the orprior’ in any patents other torr‘which ‘convenient‘location reference to e?ectively as subsequent. delivery when the liquid is flowing‘ in a smooth spiral downwardly around which the blow-o? products of a boiler mayrbe the‘ enclosing walls of the. separator, there is a conducted. Wh'enused with-a stationary-boiler; the separator may be suitably supported outside . brief period of recondensation of steam ?ash already separated. The consequence is that the 20 the powerhouse to deliver the separatedsteam condensatetends to ‘carry along with the steam to atmosphere and the‘ liquid to the sewer. ~> ‘ resulting in the discharge with the ?rst .steam Referring now ‘to the drawing moreiri detail,‘ it ‘will be‘ observed that the separator consists of‘ flash of more or less hot water. a cylindrical casing 4 closed'at its bottom'by/ a‘ One. of the purposes of our present invention, therefore, is to prevent this carry-over of water 25 wall '5 preferably’ upwardly curved. The ‘top or" the separator includes a dome 6 provided with'a with the initial steam discharged, from the centrally located opening ‘I surrounded by’ a de pending ?ange 8. Secured to the under side‘ of - At the conclusion of a blow-off the sudden cessation of the delivery of blow-off products, the dome is a depending arcuate flange '9 carry-v resulting from the closing of theblow-off cock, 30 ing a disc Ii disposed substantially parallel with has heretofore occasioned momentary spilling to and spaced from the‘ lower‘ edge of the‘ ?ange '8. The disc carrying ?ange 9 is substantially semi a greater or less degree of water from the sep arator out through the steam discharge opening. circular in contour, so'that it, together with ‘the disc i I, provides a baffle which obstructs the Since this water carries solids in solution and escape, of ?uid through the opening 1 and thereby“ suspension, the e?ect is to foul boiler jackets, cab contributes to the separation of the steam and windows and surfaces of following cars. This spilling is. caused by theaccumulation of circling water and tends to prevent the.‘ escape of water through the steam outlet 1. . ' ‘ ‘ water at the sides of the separator chamber which cannot immediately escape through the Uponthe dome 16 is mounted a thimbl'e which tangential discharge passage by which the sep 40 ‘consistsv of a cylindricalv body I! provided with an inwardly sloping top [3 having a centralopen arated water is delivered.v The dropping, so to speak, of this circulating water as the vortex is ing [4 aligned with but considerably smaller in destroyed by reduction of pressure and lost force, size than the opening 1. A'sleeve l5 depends produces a splashing which results in the top from the opening [4 into proximity to the plane spilling of the water along with the last of the 45 of the opening 1, so that a chamber l 6 is provided discharged steam, as previously mentioned. by the thimble, which chamber is in communica mu?ler... . . I Another purpose of our invention is to over tion with the opening 1. > come such spilling, which in the present disclosure The boiler blow-01f products, consisting of is accomplished by providing an enlarged col steam and water containing contaminants in lecting chamber in which the water dropping 60 solution and in suspension, are delivered tangen from the side walls of the separator may be col tially into the casing 4 by an intake connection lected before ultimate delivery, thereby prevent l1 extending through the wall of the casing into ing it from splashing and spilling out with the the separator, as illustrated in Fig. 2, and thread steam. ed at its outer end for connection with a pipe Other objects and advantages of our invention leading from the blow-01f cock. 4 3 The size, shape, proportion and arrangement The separated liquid is conveyed from the sep arator to a point of disposal by a discharge pipe I8 communicating with the separating chamber through a collecting box l9, preferably rectan~ ‘ of the various parts illustrated and described may obviously be varied withinconsiderable limitsv without departing from the essence of our in vention as de?ned in the following claims. gular in cross-section, opening tangentially into the separator chamber to receive the liquid tend ing to accumulatein the bottom of the chamber. We claim: The box I9 is of greater cross-sectional area than the corresponding area of the discharge pipe . l8 and is, consequently, able to receiveand col \ _ 1. A separator for separating the?products blown off from a steamboiler, comprising acy lindrical shell having a closed bottom wall and a top wall provided with a large centrally dis-1 lect a volume of water in excess of the capacity posed steam outlet opening de?ned by an annu- ‘ of the discharge pipe. This structure is, there;v fore, adapted to accommodate the ?nal separated water of each blow-off, thereby preventing its regurgitation and spilling out through the top. with the steam, as has heretofore occurred when the discharge pipe communicated directly with lar depending lip, a thimble rising from said top the separating chamber. ' ' In the operation of our improved separator, the blow-01f steam and contaminated water are dis wall, consisting of, an upright cylinder, a top therefor/having a central discharge opening of smaller area than said underlying shell outlet opening and a cylindrical sleeve depending from said thimble opening into proximity to the plane of the upper edge of said outlet opening, means, for delivering blown off products tangentially in 20 to said shell, and means for receiving and dis chargedtangentially into the separating cham-1 charging from said shell the separated ;liquid ber from the pipe ill. The liquid under cen products, said means including a discharge pipe trifugal force clings to the peripheral Wall of the , leading from the lower portion of said shell and a receiving chamber communicating tangential ‘separator and under the in?uence of gravity spi-v rals downwardly in ‘the chamber into the collect 25 ly with the interior of the shell and with said discharge pipe, said chamber being rectangular ing box [9 and outthrough the discharge pipe and of greater cross-sectional area than said dis I8. The steam, because of the centrifugalac tion upon the heavier water,‘ separates from the ‘ ‘,gharge pipe. 2. A separator for separating the products water and moves toward the center of the sep arator and upwardly, so that it passes around 30, blown off from a locomotive, .comprising a cylin drical upright shell having a closed bottom-and . the ba?le H and out through the delivery open-v a top provided with a centrally disposed steam ing M ‘to atmosphere. During the initial stage outlet opening, a thimble extending upwardly of each blow-off, before the metal surfaces be from said top and consisting of an- upright cyle come heated, there is some tendency-for the sep-j inder, a sloping top wall therefor having a smalle - arated steam to recondense on the cold surfaces of the structure and to carry over as water spray er discharge opening than the aforesaid steam with the steam from the separating chamber. outlet opening and a cylindrical sleeve depend The thus condensed liquid particles passing outs ing from said opening, a discharge pipe, and a wardly through the opening 1 from theseparat ing chamber are, as a consequence of centrifugal action, passed not into the sleeve I5, but around receiving chamber of greater cross-sectional area in than the discharge pipe disposed tangentially to the periphery of'the ?rst mentioned shell‘ancl the sleeve into the chamber 16 where they are 7' communicating with the interior of said shell‘ and collectedvand caused to drop back into the sepaf with said discharge pipe. . ‘ .7 . V, rating chamber. In this manner initial ?ashing ' 3. A fluid blow-off product separator, compris ‘or carrying over of condensate ‘with the initial .45 ing a cylindrical shell having a closed bottom , steam discharge from the separator is prevented. and a top provided'vvith a central opening, means When the blow-off cock is closed, thus termig for delivering blow-off products tangentiallyin-f. nating the blow-off operation, the ?nal blow; to said shell, a cylindrical casing extending-up oil? products under a diminishing pressure lag wardly from the top of said shell, a downwardly as they enter the separator and tend to drop to 50 sloping wall extending inwardly from the upper the bottom of the separating chamber without endof said casing and provided with a central following the separator walls as closely as the preq ly disposed opening of smaller diameter than said ceding water under greater pressure. This col shell opening, a sleeve depending from said last lection of the water in the bottom of the chamj mentioned opening into close proximity to said ber has a tendency to cause spilling or ‘splashing shell opening, a box communicating with the of some of the Water upwardly and outwardly lower portion of said shell through a rectangular with the ‘discharged steam. ‘The collecting box l19,'howev'er, of larger cross-sectional area than the discharge pipe I78, collects and accommodates opening, and adischarge pipe of less cross-sec tional area than said box connected to said box‘. ' this?nal rush of water until it can be delivered by the discharge pipe. In this manner the'spill ing of the ?nal ‘delivery of a blow-oil is .pre; vented. _ V ' ‘ LYNDON F. , WILSONQT' EVERETT A. PRESTQN. -'