US759487A - Locomotive-boiler cleaner. - Google Patents

Description

No. 759,487. PATENTED MAY 10, 1904.

J. G. TALMAGE. Q

LOGOMOTIVE BOILER CLEANER.

APPLIOATION FILED APR. 17. 1899. RENEWED MAY 19. 1902.

N0 MODEL.

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Patented May 10,1904.

UNITED STATES PATENT OFFICE.

JOHN Gr. TALMAGE, OF CLEVELAND, OHIO.

LOCOMOTlVE-OILER CLEANER.

SPECIFICATION forming part of Letters Patent No. 759,487, dated May 10, 1904. Application filed April 17, 1899. Renewed May 19, 1902. Serial No. 108,062. (No model.)

To (tZZ 1071/0111, it may concern:

Beit known that 1, J OHN Gr. TALMAGE, acitizen of the United States, residing at Oleveland, in the county of Ouyahoga and State of Ohio, have invented a certain new and useful Improvement in Locomotive-Boiler Cleaners, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings.

The invention relates to mechanism which when combined and used with a locomotiveboiler affords efficient means for removing the precipitated mud and scale-forming materials from all portions of the boiler, whereby the formation of scale is prevented, thus dispensing with the necessity of frequently blowing out all of the water for the purpose of washing to remove the mud, as is the pres ent practice.

The invention consists in the construction andcombinationofpartshereinafterdescribed, and pointed out definitely in the claims.

In the drawings, Figure 1 is a longitudinal central section of a locomotive-boiler with the boiler-tubes omitted. Fig. 2 is a vertical section on line 2 2 of Fig. 1. Fig. 3 is ahorizontal section on line 3 3 of Fig. 1, and Fig.-

4: is an enlarged sectional view through one side of the water-space surrounding the firebox. Fig. 5 is a rear end view of the locomotive-boiler equipped with my invention.

In the drawings, (1 represents the barrel of a locomotive-boilerg a, the water-space which surrounds the fire-box; a and a, the mudring which forms the bottom of said waterspace.

B represents a boiler-lubricator, which is a well-known device adapted to deliver a regulated supply of oil into the boiler. Such devices have heretofore been used to introduce oil into boilers for the purpose of preventing the formation of scales therein. This boilerlubricator is not, however, attached to the feedpipe, as is the usual custom, but is attached to the rear head of the boiler at about the level of the crown-sheet, from which point the boilerwater circulates over the crown-sheet forward through the barrel of the boiler down and back into the water-space a.

The principal purpose of introducing oil is to prevent the mud and scale-forming materials precipitated from the water in the boiler from adhering and cementing together on the Hues and sheets, and it effects the result by coating the particles with a thin layer of oil. The oil-covered particles of mud and other impurities for the most part settle in a slimy mass at the lowest point of the boilernamely, upon the mud-ring at the bottom of the waterspacewhich slimy mass is capable of being drawn out by the means hereinafter described provided for that purpose.

The lubricator would be in a measure effective regardless of the point at which it is connected with the boiler; but its connection with the boiler at the point indicated has this advantage over any other position in which it might be connectedto wit, that the oil introduced at that point circulates throughout the entire boiler before it comes back to the point where the oil-covered particles will for the most part settle-11amely, upon the mudring. It has this other advantage as well namely, that the lubricator being within the cab is protected from the effect of the cold weather, which would render it inoperative.

D represents perforated pipes which substantially surround the fire-box and lie in the water-space at a suitable distance above the mud-ring and just below the first row of stay-bolts a", where they may be supported in any appropriate manneras, for example,

- by the short standards G. How far above the mud-ring these pipes shall be placed depends upon the character of the water commonly used in the boiler The more mineral impurity it contains the farther from the mudring will the pipes be placed; but ordinarily they may be placed from about two to six inches above the mud-ring, the exact position being varied according to the spacing of the stay-bolts. These pipes may be of any suitable size, and the perforations referred to may be of any desired number and of any shape. For ordinary uses, however, pipes an inch in diameter may be employed. The perforations may be cylindrical and about a quarter of an inch in diameter. They should, however, be made through the bottom of the pipes, and they should preferably be placed about eight inches apart and arranged in two or more rows. This specific description of these pipes is given because it has been found by careful experimenting that for ordinary conditions the best results are obtained with pipes substantially as above described; but if the water contains very much mineral impurity the size of the pipes may be enlarged, and so may the size and number of the perforations. In any event the capacity of the blow-off cocks should be slightly in excess of the capacity of all of the perforations, so that the precipitated matter will be sure to draw from the entire mud-ring.

Outlet-pipes E connect with the pipes D, extend out through the boiler, and to their outer ends the blow-off cocks c are secured.

As before stated, the oil introduced by the lubricator circulates through the water, comes in contact with the mineral impurities held in suspension, coats them with oil, and most of these impurities find their way into the waterspace around the fire-box and eventually come to rest upon the mud-ring in a slimy mass. The blow-off cocks may be opened from time to time, and this slimy mass will be forced up through the perforations into the pipes and out through the blow-off cocks. Some of the heavier particles instead of settlingon the mud-ring will settle on the bottom of the barrel of the boiler. Provision for blowing these particles out is made by placing a perforated pipe H at the bottom of the barrel about an inch, more or less, therefrom and extending substantially its entire length. A pipe J, connected therewith, extends out through the bottom of the boiler, and a blow-off cock 7' is attached thereto outside of the boiler. Some of the foreign particles in the boiler-water do not sink, however, but rise to the surface. To remove these particles, two, more or less, perforated pipes K are suspended from the top of the barrel of the boiler at the waterlevel, the perforations being so placed that they are submerged, whereby they will be covered by the slimy floating mass. These pipes extend rearward, are oined together,

' and a single outlet-pipe 71; extends through the rear head of the boiler, and a blow-off cock 7:: is attached to its rear end. By openblow-off pipes, even without the oil, will be of much value, though the use of the oil is preferred.

Having described my invention, I claim- 1. The combination with a locomotive-boiler, of boiler-lubricator adapted to deliver oil into the boiler, pipes substantially surrounding the fire-box and held a short distance above the mud-ring, said pipes having perforations on their under sides, an outlet-pipe therefor extending out through the boiler-wall, and a blow-off cock on the outer end of said outletpipe, substantially as and for the purpose specified.

2. The combination of a locomotive-boiler, with a boiler-lubricator secured to its rear end, perforated pipes secured at the surface-level, an outletpipe therefor which extends out through the boiler and has a blow-off cock secured to its outer end, a perforated pipe held a short distance above the bottom of the barrel of the boiler, an outlet-pipe which extends through the boiler, a blow-off valve on its outer end, perforated pipes substantially surrounding the fire-box in the water-space and held ashort distance above the mud-ring, outlet-pipes therefor passing through the boilerwall, and blow-off cocks secured to the outer ends of said pipes, substantially as specified.

3. The combination with a locomotive-boiler, of a boiler-lubricator, a perforated pipe located in the water-leg around the fire-box just above the mud-ring, an outlet-pipe connected with said perforated pipe and extended out through the boiler-wall, and a blow-off cock on the outer end of the outlet-pipe, the total area of the perforations in said pipe being not greater than the effective discharge from said pipe, substantially as specified.

4. The combination with a locomotive-boiler, and a boiler-lubricator secured to the rear head of said boiler adapted to deliver a regulated quantity of oil into said boiler at a point slightly above the crown-sheet, pipes in the water-leg substantially surrounding the firebox and held a short distance from the mudring, said pipes having perforations on their under sides, an outlet-pipe therefor extending out through the boiler-wall, and a blow-off cock on the outer end of said outlet-pipe, substantially as and for the purpose specified.

5. In combination with a locomotive-boiler stantially surrounding the fire-box a short disto such pipe, substantially as and for the pur- I0 tanee above the mud-ring, an individual outpose specified. let passage-Way for each of said pipes passing In testimony whereof I hereunto atfix my thic-louggil and discharging 1outside of this bOilGIi, signature in the presence of two witnesses.

5 an a ow-ofl' 000 r on tie outer en of eaei r 1 of said outlet passage-Ways, said pipes being JOHN IALMAGE' perforated on their under sides by holes Whose Witnesses: aggregate area is not greater than the area of E. L. THURSTON, discharge of the blow-off cock corresponding PHILIP E. KNoWL'roN.

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