US1355049A

US1355049A - Boiler

Info

Publication number: US1355049A
Application number: US213242A
Authority: US
Inventors: Kent George Samuel
Original assignee: Individual
Current assignee: Individual
Priority date: 1918-01-22
Filing date: 1918-01-22
Publication date: 1920-10-05
Anticipated expiration: 1937-10-05

Description

G. S. KENT.

BOILER- APPLICATION FILED JAN. 22, I918.

Patented Oct. 5,1920.

3 SHEETS-SHEET I f Wm @Q.

A TTUR/VEVS.

G. S. KENT.

BOILER.

APPLICATION FILED- IAN. 22, ms.

Patented Oct. 5, 1920.

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G. S. KENT.

Patented Oct 5,1920.

3 SHEETS-SHEET 3.

PATENT OFFICE.

GEORGE SAMUEL KENT, 0F BUFFALO, NEW YORK.

BOILER.

Specification of Letters Patent.

Patented Oct. 5, 1920.

Application filed January 22, 1918. Serial No. 213,242.

To all w hem it may concern Be it known that I, GEORGE S. KENT, a citizen of the United States, residing at Buffalo, in the county of Erie and State of New York, have invented a new and useful Improvement in Boilers, of which the following is a specification.

This invention relates to hot water or steam boilers of the kind adapted more particularly to be used for heating buildings.

The objects of the invention are to provide a boiler of this kind in which soft or bituminous or other cheaper grades of fuel can be efiiciently used without producing the objectionable smoke and soot which generally accompanies the use of fuels of this kind; also to construct a boiler of this kind in such a manner that the'fires will'be inclosed by water jacketed parts of the boiler, so that the most efficient use is made of the heat of the fire; also to provide a boiler of this kind with two separate furnaces from which the gases of combustion pass to a common combustion chamber, to produce a practically smokeless consumption of the fuel; also to so arrange the water tubes, fire tubes and other parts of the boiler as to utilize most eificiently the heat of the fuel and to interfere as little as possible with the flow of gases to the chimney; also to provide the boiler with a plurality of water elevation thereof.

bars which areformed integral with the boiler sections and which act as supporting walls for the furnaces; also to improve the construction of devices of this kind in other respects hereinafter specified.

In the accompanying drawings:

Figure 1 is a front elevation for a boiler embodying the invention.

Fig. 2 is a longitudinal central sectional Fig. 3 is a front elevation, partly broken away, of the front section of the boiler, showing the doors removed therefrom.

Fig. 4 is a sectional elevation of the boiler on line 44, Fig. 2.

Figs. 5 and 6 are sectional elevations thereof, partly on lines 5'5 and 66, respectively, Fig. 2, and partly broken away to show the interior of the sections.

The boiler shown consists of a plurality of transverse sections which are secured to gether in the usual manner to enable the water to flow from one section to another and to form fire and combustion chambers and. passages for the products of combuss tion to the chimney. The boiler comprises a front section A which forms the front wall of the boiler, a second section B arranged in rear of the front section, a plurality of intermediate sections C, a section D arranged in rear of the intermediate sections, and a rear section or water wall E whrch forms the rear of the boiler. These sections are connected with each other by means of the usual sleeves or thimbles a which are secured in oppositely disposed holes in adjacent sections to form passages for the water from one section to another, and all of the sections are held together by means of the usual tie rods or the like 6 extending through lugs or projecting portions Z) formed on the sections. The front section is provided with the usual feed openings a through which the fuel is supplied to the boiler, the ash openings (6 through which the ashes may be removed, an opening a by means of which access may he had to the combustion chamber, and an opening at in the upper part of the boiler through which this part of the boiler may be cleaned. The feed openings at are closed by furnace or feed doors F; the ash openings a are closed by ash doors 7, and the opening a is preferably closed by means of doors f. The opening a may be closed by any suitable means, such for example as a plug or the like I The boiler shown in the drawings is provided with two furnaces or fire chambers G, each provided with grates g on which the fuel rests, the portions below the grates forming ash pits g. The two furnaces are preferably arranged at opposite sides of the boiler and are preferably surrounded by water-j acketed portions of the boiler sections and are formed by means of openings or spaces in the sections B, C and D of the boiler. Between the twofire chambers is arranged a combustion chamber H into which the gases of combustion pass from opposite sides of the furnace and through which gases pass toward the rear of the boiler. In order to permit the gases to flow from the furnaces to the combustion chamber H, the sections B and C of the boiler are provided with reduced portions or water bars or legs h which are so constructed as to form spaces or slits between the adjacent sections through which the gases of combustion can pass into the combustion chamber. The water legs terminate at their upper ends arch or crown portions 71/ which, when the sections of the boiler are connected, prevent the passage of the gases upwardly and divide the two ash spaces and which is connected at its lower end by "means of substantially horizontal portions 72 with the upright water walls at the sides of the sections. By means of the construction shown, the gases of combustion from the furnaces enter into thecombustion chamber H where a complete combustion of the gases takes place. T-hecombustion chamber as well as the furnaces and theash spaces are surrounded on all sides by water-jacketed portions of the boiler, so that very efficient use is made of the heat of the fires The section D of the furnace is not provided with the arch member it, so that the gases of combustion flow rearwardly in the I boiler.

combustionchamber toward the section D, in which they flow upwardly into the water tube space or passage I of the boiler and then forwardly toward the front section A. I'Vithin the water tube space I are arranged a plurality of water tubes K which extend lengthwise of the space I in a direction substantially parallel to thefiow of gases in this space and terminate at their opposite ends in the front and rear sections A and E of the represents plugs in the front and rear sections which can be removed to afford access to the water tubes K. 7 By means of this arrangement of the water tubes, the flow of gases in the chamber I is not interfered with to any material extent and a large amount of heat is transmitted from the gases to the Water in the tubes K; By"

means of these longitudinal water tubes, the usual baffle plates which deflect the current of gases against the water-jacketed walls of the furnaces for the purpose of causing the gases to deliver their heat to the water, are. eliminated and the flow of gas through the chamber I and the exchange of heat from the gases to the water are facilitated.

The. roof or upper part of the chamber I is formed'by means of a plurality of water spaces L in the boiler sections 0 and D, through which fire tubes Z extend which conduct the products of combustion from a gas space Z to a flue or chimney M. The gas space Z is formed partly in the boiler sectubespace I with the gas space Z. The fire tubes Z may be of any usual or suitable construction and connect at their front ends with the foremost of the intermediate members C and at their rear ends with the rear wall of the section E. The fire tubes preferably pass through a plurality of holes Z formed in the adjacent walls of the intermediate sections G and the sections D and E, these holes being preferably considerably larger than the outside diameter of the fire tubes Z so that the water is free to'circulate around the fire tubes throughout the length 7 thereof, thus preventing unequal expansion formed to provide two fire chambers ar-' ranged at opposite sides of the boiler, a combustion chamber into which the gases pass from the two fire chambers. a return above said combustion chamber into which the gases pass fromthe combustion chamber at the rear of the boiler and in which the gases pass to the front of the boiler, and fire tubes extending from the front portion of the boiler to the rear section thereof and through which the gases pass from the front to the rear of the boiler.

2. A boiler comprising a plurality of transverse sections secured'together to form water spaces and spaces for the fire and products of combustion, said sections being formed. to provide two fire chambers arranged at opposite sides of the boiler, a combustion chamber into which the gases pass from the two fire chambers, a return passage above said combustion chamber into which the gases pass from the combustion chamber at the rear of the boiler and in which the gases pass to the front of the boiler. water tubes in said return passage, and fire tubes extending from the front portion of the boiler to the rear section thereof and through which the gases pass from the front to the rear of the boiler.

3. A boiler comprising a plurality of transverse sections secured together and provided with connecting passages for water to circulate through the sections. said sections being formed to provide a fire chamher and a passage through which the prodtion ,A andpartly 1n the second section B which has a gas space connecting the water nets of combustion pass. water tubes an ranged in said passage and exposed to the heat of the gases. and fire tubes extending through said boiler through which the gases pass, said fire chamber and passage for the products of combustion all being inclosed in Water compartments of said boiler.

1. A boiler comprising a plurality of transverse sections secured together and provided With connecting passages for Water to circulate through the sections, said sections being formed to provide a fire chamber and a passage through which the products of combustion pass, and fire tubes extending through said sections and through which said gases pass from said passage, said sections being provided with holes through which said fire tubes extend, said holes being larger in diameter than the tubes to permit Water to circulate around said tubes.

5. A boiler comprising a plurality of transverse sections secured together and provided with connecting passages for Water to circulate through the sections, and fire tubes extending through said sections and through which said gases pass, said sections being provided With holes through which said fire tubes extend, said holes being larger in diameter than the tubes to permit Water to circulate around said tubes.

Witness my hand, this 21st day of January, 1918.

GEORGE SAMUEL KENT. Witnesses:

M. J. PITMAN, A. L. MOGEE.