US758718A - Feed-water heater. - Google Patents

Description

2 SHEETS-SHEET 1.

PATENTED MAY 3, 1904.

A. J. SWEET. FEED WATER HEATER. APPLICATION FILED MAY 4, 190a WITNESSES PATENTED MAY 3. 1904.

A. J. SWEET. FEED WATER HEATER. APPLICATION FILED MAY 4, 1003.

2 SHEETS-SHEET 2.

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No. 758,718. Patented May 3, 1904.

NITED STATES PATENT OFFICE.

ARTHUR J. SIVFET, OF ANN ARBOR, MICHIGAN, ASSIGNOR OF ONE 'lHlRD TO GEO. IV. SWEET AND SIDNEY SMITH, OF ANN ARBOR, MICHIGAN.

FEED-WATE R HEATER.

SPECIFICATION forming part of Letters Patent No. 758,718, dated May 3, 1904. Application filed May 4, 1903. Serial No. 155,474. lilo modem T ll/7mm it W 6071106771! tuous channel, along which the water travels Be it known that I, ARTHUR J. Swen'na citislowly and along which it deposits deleterious zen of the United States, residing at Ann Armatter or matter injurious to the boiler and bor, county of \\"ashtenaw, State of Michigan, which will deposit from highly-heated water 5 have invented a certain new and useful Imthat is at rest or moving only slowly. In the provement in Feed-\Vater Heaters, and I deform shown in Fig. 1 the tortuous channel is clare the following to be a full, clear, and exa coil of pipe with horizontal sections a, I), act description of the invention, such as will 0, (Land 0, joined by suitable bends or elbows, enable others skilled in the artto which it perand in the elbows are inserted plugs p q,

10 tains to make and use the same, reference bewhich may be removed, and access may be had ing had to the accompanying drawings, which through the openings to the interior of the form a part of this specification. pipes to clean them out. Below the coil is a (his invention relates to feed-water heaters, tank T, provided with a manhole t and with a and has for its object an improved feed-water yoke K and screws to hold the manhole-cover I 5 heater intended to be used to utilize the heat R in place. In the form shown in Figs. I and of exhaust-steam for the purpose of heating 5 a tank with battle-plates is substituted for 6 5 water to be used in a boiler. the coil. The baffle-plates A, G, IE, and Gr are In the drawings, Figure 1 shows the heater secured to the back and the plates B, I), and F used with a coil. Fig. 2. is a sectional view, to the front of the tank, and the entire front,

2 on an enlarged plan, of the upper part of the carrying plates B, D, and F, is removable in heater. Fig. 3 is a detail of the nozzle used. order that the structure may be cleaned. 7 Fig. I shows a box form of structure employ- In the form shown in Figs. I and 5 the waing the same invention. Fig. 5 is a crossl ter-tank may be at the bottom of the box. section of the device shown in Fig. 4:. Fig. 6 Both forms may be secured to the vall of a 5 is a plan view of the nozzle. building in a way to occupy but little valuable The heater consists, in substance, of a conspace. ducto r for water and a means for mingling the In operation a et of water is thrown through exhaust-steam of an engine with the water in the nozzle 7 from a source of supply that conthe conductor, after which the water is carnects with water-pipes 6. This is thrown 30 ried through a tortuous channel in which it across the end of the pipe 3 into the extension deposits sediment and limey materials, and it 8 and drops down to the channel below the 30 is linally received in a tank from which it is pipe 3. In dropping, the water that has been introduced to the boiler by any approved thrown into the channel carries down the air means. i with it, producing a suction or partial vacuum 3 5 2 indicates the exhaust-pipe of an engine and a consequentinilow of steam from the exthrough which steam is escaping to the open haust-pipeQinto the heater. The water thrown 5 air. through the nozzle is preferably in a line spray 3 indicates a vertical pipe connected to the or in a divided state in a condition to be exhaust-pipe 2 by cross-pipe 4:, which may be quickly and easily heated by the heat of the J 4 provided with hand-valve 5 or may be left exhaust-steam, and it takes up a large volume without such hand-valve. Into the pipe 3, of heat from the exhaust-steam. At the same 9 below the junction of the cross-pipe I, is intime it produces a draft or an entire absence serted the end of a water-pipe 6. The teri of back pressure on the exhaust-pipe and aids minal' of, the water-pipe 6 within the pipe 3 instead of obstructing the engine in its work.

4 5 reaches upward to nearly the end of the cross- \Vhat I claim ispipe I and is provided with a rose or spray- 1. In a feed-water heater, in combination nozzle T. Below the spray-nozzle T the pipe with the exhaust-pipe of an engine, a chamber,

" 3 leads toa depositchamber, and this depositi a spray-pipe leading from below and directed chamber may be any long and preferably-torl upward into said chamber, a connection from the exhaust to the chamber whereby the spray is utilized to produce a draft'from the exhaustpipe, substantially as described.

2. In combination with the exhaust-pipe of an engine, a spray-chamber, a spray-pipe leading from below thereinto and directed upward across a steam-inlet, a pipe connecting the exhaust-pipe with the spray-chamber and providing said steam-inlet,

haust-pipe, substantially as described.

heater, in combination In a feed-water with the exhaust-pipe of an engine, a spray chamber, a spray-pipe leading therelnto, a

emerging from the spray-chamber, and means for cleaning the tortuous chamber, substantially as described.

In testimony whereof I sign this specification in the presence of two Witnesses.

ARTHUR J. SWEET l/Vitnesses:

PHILIP BLUM, MABEL E. BLUM.

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