US520962A - Oooooooooo - Google Patents
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- Publication number
- US520962A US520962A US520962DA US520962A US 520962 A US520962 A US 520962A US 520962D A US520962D A US 520962DA US 520962 A US520962 A US 520962A
- Authority
- US
- United States
- Prior art keywords
- boiler
- bridge
- fire
- floor
- water
- 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
- 238000002485 combustion reaction Methods 0.000 description 18
- 210000003800 Pharynx Anatomy 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- 230000002459 sustained Effects 0.000 description 6
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 206010022000 Influenza Diseases 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B5/00—Combustion apparatus with arrangements for burning uncombusted material from primary combustion
Definitions
- This invention relates to the class of steam boilers which are designated return line boilers and has more particularly reference to that species in which the bridge-wall is movable lengthwise of the boiler to vary the size of the fire-box or grate-surface.
- the object of my present invention is to simplify the construction of the adjustable boiler furnace and to combine the same in a simple and economical manner with a boiler formed with water-legs and a water-back and thus combine simplicity of construction with increased efficiency of the boiler; and to that end the invention consists in the improved construction and combination of parts hereinafter described and specifically set forth in the claim.
- Figure 1 is a vertical longitudinal section through the center of a boiler embodying my invention
- Fig. 2 is a Vertical transverse section on line :0, 00, in Fig. 1.
- 13-- represents the horizontal flue-boiler which is much shorter than ordinary boilers of that class.
- O- denotes the fire-box which extends from the front end of the boiler beyond the rear end thereof as shown in Fig. 1 of the drawings
- D denotes the combustionchamber which is extended vertically from the rear end of the fire-box.
- the front of the fire-box is provided with the feed-door 'O'- through which to introduce the fuel.
- the products of combustion pass from the fire-box up in the combustion chamber "-D- and thence pass through the flues 'jto the smoke-box I- on the front end of the boiler.
- Said boiler with its water jacketed fire-box and combustion chamberl construct as follows to wit:
- the Vertical outer side-plates aaextend from the base of the boiler to the sides of the boiler-shell and its aforesaid rearward extension and are joined thereto.
- the outer back-plate --'-g-. extends from the top of the boiler shell extension B to the base of the boiler.
- the front flue-sheet bextends likewise to the base of the boiler.
- the inner front sheet e- I attach to the lower half of the boiler-shell and join it to the base of the aforesaid flue-sheet extension.
- the inner side-plates f-f- I attach to the lower portion of the boiler shell and to'the bases of the outer side-plates -a-a.
- the rear portions of said inner side-plates extend vertically and are united with the crown-sheet d-- of thecombustion chamber -D- and the inner back plate z'. crown-sheet, inner side-plates fand I join to said 1 base of the outer back-plate -g.
- Said boiler is thus formed with water-legs and a waterback and without any bottom plate, and rests with the bases of the water-legs and water- -back directly upon a suitable floor which is in a uniform plane and constitutes the floor of the ash-pit and floor of the combustionchamber D-.
- this floor I erect the bridge-wall O- which is formed preferably of cast iron and with a forwardly and rearwardly extending foot or base by which it is sustained in an upright position and movable longitudinally on the aforesaid floor, and is thus adapted to be set either under the main portion -'-B- of the boiler, or back of the same a greater or less distance from the rear flue-sheet b'- to enlarge or diminish the throat "T over the top of the bridge-wall as may be required for the proper combustion of different fuels to be used for heating the boiler.
- *O represents the adjustable bridgewall, which is vertical and preferably formed of cast-iron and with a forwardly and rearwardly extending foot or base by which it is seated upon the bottom of the ash-pit and is thus properly sustained in its upright position independent of the grate as clearly shown in Fig. 1 of the drawings.
- the front of the bridge-wall is formed with a recess Z in which is secured the fire-bricklining -Z'-- to protect the bridge wall from melting heat.
- the top of the bridge wall I preferably form segmental and parallel with the bottom portion of the boiler shell. In this manner I obtain a segmental throat T for the passage of the products of combustion from the bottom of the rear end of the boiler to the combustion chamber -D. Said products of combustion are thuscaused to more eflt'ectually impinge the boiler and increase its efiiciency.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
R. JOY. STEAM BOILER.
No Model.)
No. 520,962. Patented June 5, 1894.
OOOOO WITNESSES: INVENTOR 7% I 5 NATIONAL umammma coMPAuv A R N UNiTRD STATES PATENT FFICE.
ROBERT JOY, OF OSWEGO, NEW YORK, ASSIGNOR TO THOMSON iiiuesroRn,
' or sAME PLACE.
STEAM-=BOILER.
SPECIFICATION forming part of Letters Patent No. 520,962, dated une 5, 1 894.
Application filed March 16, 1893. Serial No. 466,274. (No model.)
To all whom itmcry concern:
Be it known that I, ROBERT JOY, of Oswego, in the county of Oswego, in the State of New York, have invented new and useful Improvements in Steam-Boilers, of which the following, taken in connection with the accompanying drawings, is a full, clear, and exact description.
This invention relates to the class of steam boilers which are designated return line boilers and has more particularly reference to that species in which the bridge-wall is movable lengthwise of the boiler to vary the size of the fire-box or grate-surface.
The object of my present invention is to simplify the construction of the adjustable boiler furnace and to combine the same in a simple and economical manner with a boiler formed with water-legs and a water-back and thus combine simplicity of construction with increased efficiency of the boiler; and to that end the invention consists in the improved construction and combination of parts hereinafter described and specifically set forth in the claim.
In the annexed drawings, Figure 1 is a vertical longitudinal section through the center of a boiler embodying my invention, and Fig. 2 is a Vertical transverse section on line :0, 00, in Fig. 1.
Similar letters of reference indicate corresponding parts.
13-- represents the horizontal flue-boiler which is much shorter than ordinary boilers of that class.
O- denotes the fire-box which extends from the front end of the boiler beyond the rear end thereof as shown in Fig. 1 of the drawings, and D= denotes the combustionchamber which is extended vertically from the rear end of the fire-box. The front of the fire-box is provided with the feed-door 'O'- through which to introduce the fuel. The products of combustion pass from the fire-box up in the combustion chamber "-D- and thence pass through the flues 'jto the smoke-box I- on the front end of the boiler. Said boiler with its water jacketed fire-box and combustion chamberl construct as follows to wit:
The shell of the boiler proper =B-= is preferably cylindrical and the upper half thereof I extend beyond the rear flue-sheet b' as shown at B- in Fig. 1 of the drawings. The Vertical outer side-plates aaextend from the base of the boiler to the sides of the boiler-shell and its aforesaid rearward extension and are joined thereto. The outer back-plate --'-g-. extends from the top of the boiler shell extension B to the base of the boiler. The front flue-sheet bextends likewise to the base of the boiler. The inner front sheet e- I attach to the lower half of the boiler-shell and join it to the base of the aforesaid flue-sheet extension. The inner side-plates f-f- I attach to the lower portion of the boiler shell and to'the bases of the outer side-plates -a-a. The rear portions of said inner side-plates extend vertically and are united with the crown-sheet d-- of thecombustion chamber -D- and the inner back plate z'. crown-sheet, inner side-plates fand I join to said 1 base of the outer back-plate -g. Said boiler is thus formed with water-legs and a waterback and without any bottom plate, and rests with the bases of the water-legs and water- -back directly upon a suitable floor which is in a uniform plane and constitutes the floor of the ash-pit and floor of the combustionchamber D-. Upon this floor I erect the bridge-wall O- which is formed preferably of cast iron and with a forwardly and rearwardly extending foot or base by which it is sustained in an upright position and movable longitudinally on the aforesaid floor, and is thus adapted to be set either under the main portion -'-B- of the boiler, or back of the same a greater or less distance from the rear flue-sheet b'- to enlarge or diminish the throat "T over the top of the bridge-wall as may be required for the proper combustion of different fuels to be used for heating the boiler.
. *O represents the adjustable bridgewall, which is vertical and preferably formed of cast-iron and with a forwardly and rearwardly extending foot or base by which it is seated upon the bottom of the ash-pit and is thus properly sustained in its upright position independent of the grate as clearly shown in Fig. 1 of the drawings.
When coal is to be used for fuel I form the bridge wall with a ledge -tfor supporting the rear ends of the grate bars -h-, the
front ends of which are supported on an angle-iron --tfastened to the inner front plate -e. Immediately above the grate the front of the bridge-wall is formed with a recess Z in which is secured the fire-bricklining -Z'-- to protect the bridge wall from melting heat. The top of the bridge wall I preferably form segmental and parallel with the bottom portion of the boiler shell. In this manner I obtain a segmental throat T for the passage of the products of combustion from the bottom of the rear end of the boiler to the combustion chamber -D. Said products of combustion are thuscaused to more eflt'ectually impinge the boiler and increase its efiiciency.
Having described my invention, what I claim as new, and desire to secure by Letters Patent, is-
The combination of the return line boiler B- formed with the combustion chamber D- and with water legs and a water-back 25 and seated upon a floor extending in a uniform plane under the boiler and aforesaid combustion chamber, the bridge-wall 0-- sustained on said floor movable longitudinally, and adapted to enlarge or diminish the 0 throat -T- and provided with the ledge t and the grate-bars hsupported at 2 their rear ends on said ledge substantially as described and shown.
In testimony whereof I have hereunto 35
Publications (1)
Publication Number | Publication Date |
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US520962A true US520962A (en) | 1894-06-05 |
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US520962D Expired - Lifetime US520962A (en) | Oooooooooo |
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US (1) | US520962A (en) |
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