US355989A

US355989A - Feed watee heater

Info

Publication number: US355989A
Authority: US
Publication date: 1887-01-11
Anticipated expiration: 1904-01-11

Description

(No Model.) E. GOSS.

FEED WATE'EHEATER'.

Zia/emi: Ed/ward @as s, 4

'Unirse Starts Parham Critica.

EDVARD COSS, CF ST. JOHNSBURSL VERMONT, ASSIGNOR CF TVYCTHIRDS TC CHARLES H. MAGCCN AND CHARLES J. COLLINS, BOTH OE SAME PLACE.

Fs'sowwarsa Hearts.,

SPECIFICATION forming part of Letters Patent No, 355,989, dated January ll, 1837.

Application led May 1Q, 1856. Serial No. 201,954. (No model.)

To all whom, it may concern:

Be it known that I, EDWARD Goss, of St. Johnsbury, Caledonia county, State cf Ver mont, have invented an Improvement in Feed- Vater Heaters, of which the following description, in connection with the accompanying drawings, is a specification, like letters on the drawings representing like parts.

My invention relates to an apparatus for heating the feedwater for boilers by means of the exhanststeam, being especially intended for use in connection with a locomotive-boiler, substantially as shown in Letters Patent No. 230,190, granted to Chas. H. Magoon, July 20, 1880.

.The present invention consists, mainly, in novel details of construction of the feed-water heater, which may be connected with the frame of the locomotive and with the water and exhaust-steam pipes' in substantially the same way as the heater shown in pat-ent to Magoon referred to.

The heater forming the subject of the present invention consists, essentially, of an outer shell or case which receives a portion of the exhaust-steam of the engine, and which is provided at one end with a cast-metal head having double walls provided with a series of transverse partitions, by kwhich it is divided into a series of separate compartments or chambers, lying one above the other. The said head has screwed into it a series of pipes, which' extend through the case or shell of the heater, and each of which has its mouth eX- tending across one of the horizontal partitions in the head ofthe case, so that the said pipe forms a connection or means of communication between the chambers in the head sepa rated by the said partition. Each of the said pipes is provided with a longitudinal partition, which, when the pipe'is screwed into place, coincides with the partitions in the head ofthe case, the partitions in the pipes extending nearly to the other end thereof, where the said pipes are closed. By this arrangement'the feed-water, being forced into the lowest chamber or compartment in the head of the case, will pass longitudinally through the lowermost series of pipes below the partitions thereof', and will, then return 5o through the upper part of the said pipes into the next chamber or coi'npartmcnt oi'the head ofthe case, from which they will pass down and back through the second tier of pipes into the next compartment above, and so on until it reaches the uppermost compartment in the head ofthe case, from which it is delivered to the boiler aiter having been thoroughly exposed to the exhaustssteam in the case surrounding the pipes. rlhe head of the case 6o near the closed ends of the pipes is shown as provided with supports for the said pipes, which are thus fully supported at both ends and prevented from bending or displacement by the jarring to which the heater is subjected.

Figure l is a sectional view of a portion of j a locomotive boiler and cylinders and framework, showing the method of attaching the heater to the frame-work, Fig. 2, a side elevation, partlyin section, on line .t x, Fig. 3, of the heater detached, on a larger scale; Fig.

3, a vertical section, on line y y, Fig. 2, ofthe head ot' the heater; Figs. 4 and 5, details of the passages by which the steam is taken from the exhaustpipes of the engine to the heatercase; and Fig. 6,' a sectional detail of thejunction, showing the said passage with the heater case.

The heater consists, essentially, of an outer 8o shell or case, a, which may be a substantially rectangular box of sheet metal, provided at its ,ends with angesc, to receive .the heads or bonnets b c.

The head b is composed of cast metal, having two walls, b b2, and a series of horizontal partitions, b3, dividing the space between the said walls into a series of horizontal conipartnients, the lowermost and uppermost of which are provided with threaded openings go d d, to which the water-pipes e c, Fig. l, are connected, the former receiving the water from the pump or forcing apparatus, and the latter conveying it from the heater to the boiler Illhe inner wall, b', of the head b, next the in- 95 terior of the case, is provided with a series of openings, f, (best shown in Fig. 3,) opposite and extending over the partitions b3, as shown, 'into which openings are screwed a series of tiers of circulating-pipes, g, (see Fig. 2,) the opposite ends of which are closed, as shown at g', and are properlyshaped at the outside to receive a wrench. as shown at g2, Fig. 2, by which they may be screwed into the openings in the wall b of the head b. Each ofthe pipes g is provided with a series of horizontal partitions, 9*, extending longitudinally through it from its mouth to within a short distance of the closed end g, as clearly shown in Fig. 2. The said pa1titions,when the pipes are screwed in place, coincide with the partitions b, as shown in Fig. 2, so that water forced into one of the horizontal compartments of the head b can pass through the lower part of the openingf into the portion of the pipe g below the partition g, and then, after having passed the entire length of the pipe below thepartition and passed back above thc partition, can enter through the other half of` the same opening f to y the y next compartment of the head b above the one from which it entered the pipe g. Thus, if the water is forced from the pipe e into the lower compartmentof the head b, it cannot reach the upper compartment in the said head and be delivered to the pipe e until after having passed back and forth ihrough the entire length of the pipes of each tier of pipes L(/,and having thus been thoroughly exposed to the heat of steam 1n the case a outside the said pipes, the direction of its circulation being clearly shown by the arrows, Fig. 2.

The opposite head or bonnet c of the case a is provided with supports, shown as inwardlyprojecting ribs c', for the ends of the pipes g, which are thus securely held at both ends and prevented from jarring or displacement. The exhaust-steam may be taken from both sides of the exhaust-cone C, Fig. l, which is shownin section beyond the heater A, as seen looking toward the front of the locomotive, the said heater being supported on cross 'pieces or hangers B from the main side frames, I), of the locomotive slightly at the rear of the cylinders of the engine.

The pipes m m lead from the tops of the cones and receive steam from the two cylinders alternately, and preferably unite at an acute angle, as indicated in Fig. 5, in asingle pipe, n, leading into the side of the case a, as shown in Fig. 3. By this arrangement the exhauststeam forced into eitherlof the pipes m m will, on its arrival at their junction with t-he pipe n, tend, by its velocity, to continue on through the pipe n into the case a, instead of passing back in the other pipe toward the exhaust-cone. A baffleplate or defiector, r, is preferablyplaced opposite the mouth of the exhauststearn-inlet pipe m, as shown in Fig. 4, to insure a more uniform distribution of the steam throughout the interior of the case. The case a is provided with an outlet, p, for the escape of water of condensation.

The exhaust-cone C may be provided with alaterally-adjustable piece, C', Figs. 4 and 5, opposite ythe mouths of the pipes m m', by means of which adj ustingpiece the size of the orifice of the exhaust-cone may be varied so as to produce the desired velocity of the exhausting steam for forcing a portion of the same into'the heater-case and causing the remainder to perform its usual function of stimulating the draft.

I claiml. The combinatioinwith the ange-d casing, the head b, having a double wall and a series of horizontal partitions formi ng compartments, the water-pipes@ e, and the head c, having ribs c', of the pipes g, provided with horizontal partitions g, which connect with the horizontal partitions of the head b, as shown and described.

2. The combination, with the exhaust-cones of a locomotive and pipes m m', leading from the tops thereof andprovided with the adjustable piece C', and receiving steam from two cylinders alternately,.of a feed-pipe in communication with afeed-water-heater case having a series of water-circulating pipes, substantiall y as and for the purposes described.

3. The case having a head,b,provided with a series of horizontai partitions forming separate compartments, and head c, provided with supporting devices, combined with a series of pipes closed at one end and having their-opening opposite end connected with the head b, and communicating with two of the compartments therein, the said pipes being provided with partitions coinciding with those of the head b, extending to within a short distance of the closed' ends of the pipes, which latter are supported on the supporting devices of the head c, substantially as described.

4. The combination of the exhaust-cone of the locomotive and pipes m m', leading therefrom, with an adjustable piece governing the orifice of the exhaust-cone, and a feed-water heater consisting of exhaust connected with said pipes m m', and a series of water-circulating pipes in the said case, substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

EDWARD GOSS.

Witnesses:

WILL. A. BRADLEY, i C. M. CHENEY.

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