US1841557A - Heater - Google Patents

Description

F. STORMS Jan. 19, 1932.

HEATER Filed March 2'1, 1950 5 m5 5 V my M BY mfg,

ATTORNEYS,

Patented Jan. 19, 1932 onrreo stares r-ATENT oFF c i rnnnnnrcx scion-Ms, on NEW Yon-it, N. Y., nssrenon or ONE-HALF TO PHILIP Josnrn, on new YonK. N. Y. i

HEATER Application filed March 21, 193th Serial No. 437,831.

This invention relates to fluid heaters. It is among the Ob ects of the present 1nvention to provide a novel and improved 'fluid heater particularly adapted to utilize hot waste gases for the preheating of boiler water.

A further object of the present invention is to provide a novel and improved preheater adapted to be positioned within a boiler flue, whereby the passage of hot waste gases through the flue will have heat exchange relation with the heater, thus to raise the temperature of fluid therein.

A further object of the present invention is to provide a preheater including a plurality of narrow sections having enlarged surface areas, the arrangement being such that by the positioning of a preheater in a waste gas flue, a large heat exchange area is presented to the gases as they pass therethrough,

and, at the same time, a minimum resistance to the gases'is rovided.

A further object of the present invention is to provide in a preheater a thin fiat section through which a single pipe passes to provide for the admission of and discharge of fluid from the heater, the pipe being centrally divided and h'avin openings in its side wall, whereby fluid will be caused to.

pass from the pipe through the side wall to circulate through the section before being delivered through the discharge end'of the pipe.

Other obj ects of the present invention will be apparent from a consideration of the following' specification taken in conjunction with the accompanying drawings, in which Figure 1 is a side elevation partly in section, showing oneforni of the present invention applied in the waste gas flue of a boiler;

Fig. 2 is a invention;

Fig. 3 is a vertical longitudinal section through one of the sections of the heater;

' Fig. 4 is a sectional view on the line %4 of Fig. 3. 1

By referring more particularly to Fig. 1 of the drawings, it will be seen that the invention is particularly adapted for positioning within a waste gas flue 10, which leads to perspective view of the present a chimney 11, the gases being discharged through the flue from a boiler generally indicated by-the numeral 12. The preheater assembly is indicated by the numeral 13 and may be connected by a suitable pipe ltto the upper end of the boiler and through pipe 15 tothe lower sideof the boiler.

Inthe operation of the device, it will be understood that before theadmission of fluid to the boiler 12,-it isadapted to pass through the unit 13, thus to accumulate heat from the waste gases passing through the flue lO. Considerable heat energy is thus saved by clelivering the fluid to'the holder at a substan tially raised temperature.

By referring more particularly to Fig. 2; it will .be seen that the preheater consists of a pluralityof sections 16.: As shown in Fig. 4, each section is relatively narrow and tapers to a point at the end, thus being of an elongated diamond shape in cross section. By positioning the sections 16 longitudinally of the flue 10, as indicated in Fig. 1, minimum resistance to the passage of waste gases therethrough is provided and, at the same time, a large heat exchange surface area of the sections is'presented to the gases. The arrange:- ment is seen to provide substantially streamline characteristic-sic! the sections 16. EX- tending verticallythrough the central portion. otieach section 16, as indicated in Fig. 3, a single pipe 17 is provided. The pipe 17 has a central bathe or wall 18 above andbelow which. apertures 19 in the side walls of thepipe are provided. By this arrangement, it will be seen that fluid entering oneend of the pipe 17 will be blocked by the baflle 18; against passing directly therethrough, and the fluid will be caused to pass through the side apertures 0t thetube as indicated bythe arrows in Fig; 3, thus circulating through the narrow portions of the sections 16, whereby rapid heat pressure is provlded, thus to permit the fluid to accumulate heat from the:

waste'gases passing through'the flue. As fur- I ther indicated by the arrows in Fig. 3, the

vention is not confined to the direction of flow through the sections 16.

From the foregoing it will readily be seen that the invention provides a simple heat exchange device which provides minimum resistance to the normal discharge of waste gases, while, at the same time, presenting large surface areas for heat exchange relation therewith. It will be understood that the invention is not specifically confined to detail structural features herein shown but that numerous changes, modifications and the full use of equivalents may be resorted to without departing from the spirit or scope of the invention as outlined in the appended claims.

\Vhat is claimed is:

1. A heater including a plurality of relatively narrow sections adapted to be arranged within a waste gas flue for heat exchange relation with gases passing through said flue, said sections being substantially elongated diamond shaped in cross section, an apertured fluid conductor extending through each of said sections and tubular means connecting the conductors so that they will act in multiple for the passage of fluid into and out of said sections.

2. A. heater including a plurality of relatively narrow sections adapted to be arranged within a waste gas flue for heat exchange relation with gases passing through said flue, said sections being of streamline configuration to provide minimum resistance to gases passing thereover, an apertured fluid conductor extending through each of said sections, a bafile arranged substantially centrally of each of said conductors so that fluid passing through the conductors will pass through certain apertures into said sections and through certain apertures from said sections, back into the tubular conductors, and tubular means at each end of said conductors connecting the conductors so that they will act in multiple for the passage of fluid.

3. A heater including a plurality of relativelynarrow sections adapted to be arranged within a waste gas flue for heat exchange relation with gases passing through said flue, and a single pipe extending through each of said sections for supplying and discharging fluid thereto.

4. A heater including a plurality of relatively narrow sections adapted for heat, and a single pipe extending through each of said sections for supplying and discharging fluid thereto, said pipe including side apertures and central baiiie adapted to prevent the di root passage of fluid through said pipe.

Signed at New York city, in the county of New York and State of New York, this 19th day of March, 1930.

FREDERICK STORMS.

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