US177791A - Improvement in water-coil steam-generators - Google Patents
Improvement in water-coil steam-generators Download PDFInfo
- Publication number
- US177791A US177791A US177791DA US177791A US 177791 A US177791 A US 177791A US 177791D A US177791D A US 177791DA US 177791 A US177791 A US 177791A
- Authority
- US
- United States
- Prior art keywords
- water
- coil
- steam
- pipes
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 230000001808 coupling Effects 0.000 description 12
- 238000010276 construction Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 210000002310 Elbow Joint Anatomy 0.000 description 2
- 101700080604 INVE Proteins 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002441 reversible Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B3/00—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass
- F22B3/04—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass by drop in pressure of high-pressure hot water within pressure- reducing chambers, e.g. in accumulators
Definitions
- WITNESSES v INVE NTBB N, PETERS.
- My invention relates to'a novel construction of steam-generator adapted tobe alsoused as a boiler. It belongs to that class of generators in which a cylindrical coil of pipes are employed above a furnace or heating chamber to generate the steam; and it consists in the construction and arrangement of the coils, which are made to project. at one point beyond the containing-shell, and are provided upon the outside of the shell with peculiarly-constructed elbow-joints, which permit the ready removal of defective or worn-out sections of the coil, and also give easy access to the pipes for cleaning out the same. i
- the invention also consists in the peculiar construction and arrangement, with the. coils, of a thermostat or automatic relief chamber, for the surplus waternot evaporated by the generator.
- A represents the outer cylindrical shell of the generator, the lower'part of which is fitted up for a furnace, with gratebars and doors, and the upper part of which contains the cylindrical set of coil-pipes B.
- This coil is supported in pendent loop-rods O, which are attached to the top of the shell by means of nuts, each fold of the coil being supported upon a separating bar or link, a, which keeps them all the same distance apart.
- This coil terminates below in a connection, I), and above in a connection, 0, both of them projecting outside the shell.
- connection 0 communicates with the middle of the coil, which, atthe top, is drawn inwardly into a series of parallel volute spiral folds of constantly-diminishing diameter, the pipes being made of smaller transverse dimensions to accommodate themselves to'being bent into smaller circles. Every other one (or every one, if desired) of the folds of the coil B is made to project eccentrically through the side of the shell, and are. provided with elbow-couplings D, which have flanges at each end, which-are bolted to I to communicate with a steam-dome above,
- the water-pipes F conneot the lower bellied portion of the couplings with a-thermostat.
- This consists of a cylindrical receptacle, G, having an outletpipe, 01, at the bottom, terminating inside in a valveseat, 6, and a valve, f, formed upon a rod, g, which passes through a packing in the upper end of the cylinder, and is adjusted by means of the frame It and nuts '6 upon its screw-threaded end.
- This rod 9 is made of any metal capable of rapid expansion and contraction from variations in temperature, and operates, by means of this principle, to open or close the outlet.
- the water is introduced through the upper connection 0.
- the water then, in passing down in the heated coils, flashes immediately into steam, and, for the most part, is dissipated in the form of the aqueous gas, and passes off below through the connection I) in the bottom of the coil to the steam-dome.
- the steam In passing down through the lower and hotter part of the coil the steam, by this means, hecomes superheated.
- it can be passed off through pipes E to the steam-dome A portion of the water, however, will not be evaporated, and will pass down the coil.
- the valve-rod in the thermostat is first adjusted to its proper position. Then, when the water which accumulates in the chamber rises upon the valve-rod, it, being colder than the steam, causes the latter to contract, and, becoming shorter, it raises the valve, so as to let the water escape through the outlet. Then, as the chamber becomes filledwith steam, the higher temperature of the latter causes the valve-rod to expand, and, being made longer, brings the valve upon its seat, thus closing the outlet. As the water again accumulates in the chamber the same operation is repeated, and the device is thus rendered automatic in its operation.
- the upper portion of the shell- is perforated at m, and a metal jacket, -H, is made to encompass the shell, so as to leave anannular flue around the topof the shell, which,
Description
7 2 Sheets-Sheet II B. S. BENSON.
I WATER-COILSTEAM GENERATOR. No. 177,791. Patented. May 23,1876.
z r w u "PETERS. PHOTO-UTHOGRA'PNER- WASHINGTON, D. C. I
Z Sheets-SheetZ. B. S. BENSDN. WATER-COILSTEAM GENERATOR. $1 ,177,791, Patented 'May'Z3,-1876.
WITNESSES: v INVE NTBB N, PETERS. PHOTO-LITHDGRAFHER. WASNWGTON D C.
UNITED STATES PATENT QFFFICEQ BENJAMIN S. BENSON, BALTIMORE, MARYLAND.
IMPROVEMENT lN WATER-COIL STEAM-GENERATORS.
Specification forming part of Letters Patent No. [77,79 l, dated May 23, 1876; application filed February 1 6, 1876.
To all whom it mag "concern:
Be it known that I, BENJAMIN S. BENsoN, of Baltimore city, State of Maryland, have invented a new and Improved Steam-Generator; and d do hereby declare that the following is a full, clear, andexact description of the same, reference being had to the accompanying drawing, forming part of this specification, in which-- Figure 1 is a vertical front elevation, with a portion of the thermostat in section 5 Fig. 2, a vertical section. 7
My invention relates to'a novel construction of steam-generator adapted tobe alsoused as a boiler. It belongs to that class of generators in which a cylindrical coil of pipes are employed above a furnace or heating chamber to generate the steam; and it consists in the construction and arrangement of the coils, which are made to project. at one point beyond the containing-shell, and are provided upon the outside of the shell with peculiarly-constructed elbow-joints, which permit the ready removal of defective or worn-out sections of the coil, and also give easy access to the pipes for cleaning out the same. i
- The invention also consists in the peculiar construction and arrangement, with the. coils, of a thermostat or automatic relief chamber, for the surplus waternot evaporated by the generator.
.In the drawing, A represents the outer cylindrical shell of the generator, the lower'part of which is fitted up for a furnace, with gratebars and doors, and the upper part of which contains the cylindrical set of coil-pipes B. This coil is supported in pendent loop-rods O, which are attached to the top of the shell by means of nuts, each fold of the coil being supported upon a separating bar or link, a, which keeps them all the same distance apart. This coil terminates below in a connection, I), and above in a connection, 0, both of them projecting outside the shell. The connection 0 communicates with the middle of the coil, which, atthe top, is drawn inwardly into a series of parallel volute spiral folds of constantly-diminishing diameter, the pipes being made of smaller transverse dimensions to accommodate themselves to'being bent into smaller circles. Every other one (or every one, if desired) of the folds of the coil B is made to project eccentrically through the side of the shell, and are. provided with elbow-couplings D, which have flanges at each end, which-are bolted to I to communicate with a steam-dome above,
provided with a supplypipe for the engine anda return-pipe for the water, which devices are not shown. The water-pipes F conneot the lower bellied portion of the couplings with a-thermostat. This consists of a cylindrical receptacle, G, having an outletpipe, 01, at the bottom, terminating inside in a valveseat, 6, and a valve, f, formed upon a rod, g, which passes through a packing in the upper end of the cylinder, and is adjusted by means of the frame It and nuts '6 upon its screw-threaded end. This rod 9 is made of any metal capable of rapid expansion and contraction from variations in temperature, and operates, by means of this principle, to open or close the outlet.
. When the device is to be used as a generator, the water is introduced through the upper connection 0. The water then, in passing down in the heated coils, flashes immediately into steam, and, for the most part, is dissipated in the form of the aqueous gas, and passes off below through the connection I) in the bottom of the coil to the steam-dome. In passing down through the lower and hotter part of the coil the steam, by this means, hecomes superheated. When it is not desired to superheat it, it can be passed off through pipes E to the steam-dome A portion of the water, however, will not be evaporated, and will pass down the coil. To carry off this water before it reaches the bottom of the coil, the bottom parts of a portion or all of the couplings are bellied at It, and a thimble, I, placed between the bellied end and the end of the coil-pipe. This forms a trap which catches the water and carries it away through pipes F, which are connected with the lower bellied portion of the couplings. The water, which thus passes through the coils without being evaporated is conducted to the thermostat, which operates as an automatic relief-chamber for the water without the escape of the steam.
The valve-rod in the thermostat is first adjusted to its proper position. Then, when the water which accumulates in the chamber rises upon the valve-rod, it, being colder than the steam, causes the latter to contract, and, becoming shorter, it raises the valve, so as to let the water escape through the outlet. Then, as the chamber becomes filledwith steam, the higher temperature of the latter causes the valve-rod to expand, and, being made longer, brings the valve upon its seat, thus closing the outlet. As the water again accumulates in the chamber the same operation is repeated, and the device is thus rendered automatic in its operation.
When the generator is used as a boilerthe water is pumped in at the lower coil-connection b, the thermostat is disconnected, and the couplings D, having bellied portion k, are reversed, and their pipes F turned: upward. These pipes, in this position, become steampipes, and are connected with the steam-drum, as are also the pipes Ev and 0. By means of this arrangement steam canescapefrom any portion of the coil as fast asit-is generated.
To carry off the smoke and gases from the 'furnace, the upper portion of the shell-is perforated at m, and a metal jacket, -H, is made to encompass the shell, so as to leave anannular flue around the topof the shell, which,
out troubling the others, and thecouplings outside the shell permit the ready introduction of the scraper for cleaning out the pipes, which could not be accomplished with the old forms of coils except with great trouble and inconvenience.
Having thus described my invention, what I claim as new isr 1. Ina steam-generator, the combination,
with a cylindrical containing-shell, of a spiral coil of pipes projecting eccentrically upon one side through the containing-shell, and providedat such points with detachable couplings, substantially as and for the purpose described.
2. In a steam-generator, the combination with the spiral coil of pipes projecting eccentrically through the containing-case, of pipes Eand reversible couplings D, provided with 'e, the rod g, made of readily-expansible metal, and carrying-valve f, the frameh, and adjusting-nuts .z', asandfor the purpose described.
6. The combination, with the coil B and the upper part of theshell, of thependentlooprods 0, provided with alternating links a, as and for the purpose described.
BENJAMIN S. BENSON. Witnesses:
L. TrsonMEYER, J. O. BENSON.
Publications (1)
Publication Number | Publication Date |
---|---|
US177791A true US177791A (en) | 1876-05-23 |
Family
ID=2247198
Family Applications (1)
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US177791D Expired - Lifetime US177791A (en) | Improvement in water-coil steam-generators |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2604881A (en) * | 1949-08-26 | 1952-07-29 | Joe D Masopust | Steam cleaner |
-
0
- US US177791D patent/US177791A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2604881A (en) * | 1949-08-26 | 1952-07-29 | Joe D Masopust | Steam cleaner |
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