US1632301A - Steam-boiler feed - Google Patents

Description

June 14,1927.

N. E. LEWIS STEAM BOILER FEED Filed May 1923 Patented June 14, 1927.

UNiTEi) STATES PATENT OFFEQE.

NATHAN E. LEWIS, OF PLAINFIELD, NEW JERSEY, ASSIGNOR TO THE BABCOCK & WILGOX COMPANY, OF BAYONNE, NEW JERSEY, A CORPORATION OF NEW JERSEY.

STEAM-BOILER FEED.

Application filed May 5,

My invention consists of certain novel parts and combinations of parts particularly pointed out in the claims.

The following is a description of asteam boiler feed embodying my invention in the form at present preferred by me, but it will be understood that various modifications and changes may be made therein without departing from the spirit of my invention and without exceeding the scope of my claims.

My invention will best be understood by reference to the accompanying drawings, in which Figure 1 is a side view, partially in section of a steam and water drum with the feed connections thereto, and Fig. 2 is a sectional view taken on the plane of the line 22 of Fig. 1.

Like reference parts throughout Referring now to the drawings, is a steam and water drum for a steam boiler provided with end walls 11 of usual construction. A feed pipe 12 is located within the drum and extends longitudinally thereof, the same preferably passing through the ends of the drum, as at 13.

The feed water is introduced to the boiler from each end of the feed pipe. The ends of the feed pipe 12 which pass through the openings 13 in the ends of the drum are preferably screw-threaded, as at 14-, and each is received within a screw-threaded opening in a connecting head indicated, generally, 15 and comprising a plate 16 engaging the end 11 of the drum, the connecting member 15 also being provided with a flange 17 to which is secured a similar flange 18 on a valve head 19 provided with a valve (not shown) which is controlled by a hand wheel 20. The feed water is supplied to the right-hand end of the feed pipe 12, as viewed in Fig. 1, through a feed pipe 21. The feed connections at the opposite end of the boiler characters indicate like the drawmgs.

may be the same as those described for the connections at the right-hand end-of the boiler, and need not be specifically referred to. Either the feed pipe 21 at the right or the feed pipe 22 at the left may be the regular feed line, while the other pipe may be the auxiliary feed line, so that either feed line may be used in case of breakdown in the other, or if it is desired to use them alternately, although both may be used at the same time, if desired. I have illustrated feed pumps 210 and 220 for forcing 192s. seriai No. 636,839.

feed water through the respective pipes 21 and 22 int-o the respective ends of the feed pipe 12.

The feed pipe 12 is preferably divided at an intermediate point, as at 23, into two sections 121 and 122, the two sections being 25 extending transversely of the drum and attached thereto by angle plates 26. The sections of the feed'pipe are preferably suspended from the members 25 by straps 27.

The feed pipe is provided, preferably on its upper side, with a plurality of openings 28, as indicated in dotted lines in Fig. 1, and through which the water flows to the boiler. These openings may be suitably arranged to provide a substantially uniform distribution of water throughout the length of the drum. In addition to the advantages pointed out above, the deposition of mud in the feed pipe at the end away from the feed connection maybe eliminated by using the feed from opposite ends alternately.

I claim:

1. In combination, a drum for a steam boiler, a feed pipe extending through said drum and projecting through the ends thereof, means for forcing feed water to each end of said pipe, and means for discharging the water from said pipe at a plurality of points longitudinally thereof into the drum.

2. In combination, a drum for a steam boiler, a feed pipe located within said drum and provided with a plurality of openings longitudinally thereof, and means for forcing feed water to each end of said feed pipe.

3. In combination, a drum for a steam boiler, a feed pipe located within said drum and passing through both ends thereof and provided with openings on the upper side thereof, means for forcing feed water to each end of said pipe, andmeans for con trolling the amount 'of feed water forced into each end of said feed pipe.

4. In combination, a drumfor a steam lllt) boiler, 21 pipe located Within said drum, means for introducing feed Water to each end of said pipe, said pipe comprising two longitudinally spaced sections connected by a sleeve embracing the facing ends 01' said sections and secured to one only of said sections.

5. In combination, a drum for a steam boiler, a feed pipe extending longitudinally of the drum and divided at an intermediate point to form two sections, and supporting means for said sections secured to the drum and extending transversely thereof, and means tor forcing feed water into each end of said pipe. 7

(5. In astezun boiler, a steam and Water drum, a feed pipe passing through both ends of said drum and throughout the length thereof, said feed pipe comprising two spaced sections and a sleeve in which the ends 01 said sections are received, means for forcing "feed water into each end of said feed pipe, means for controlling the amount of Water forced into each end of said pipe, and means for discharging the Water from said pipe at a plurality of points longitudinally thereof into the drum.

'1'. In nstezin'i boiler, a steam and Water drum, a feed pipe passing through both ends of said drum and throughout the length thereof, said feed, pipe being divided into sections, means for forcing feed water into each end of said pipe, and means comprising a flanged connection for each section of feed pipe outside of the drum whereby each section may readily be removed through the end of the drum.

NATHAN E. LEW IS.

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