US811401A - Steam-boiler fire-box. - Google Patents

Steam-boiler fire-box. Download PDF

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Publication number
US811401A
US811401A US26690505A US1905266905A US811401A US 811401 A US811401 A US 811401A US 26690505 A US26690505 A US 26690505A US 1905266905 A US1905266905 A US 1905266905A US 811401 A US811401 A US 811401A
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Prior art keywords
box
fire
deflector
boiler
plate
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Expired - Lifetime
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US26690505A
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Charles W Hullings
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JESSE W THATCHER
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JESSE W THATCHER
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Priority to US26690505A priority Critical patent/US811401A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B13/00—Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body
    • F22B13/06—Locomobile, traction-engine, steam-roller, or locomotive boilers
    • F22B13/10—Locomobile, traction-engine, steam-roller, or locomotive boilers with auxiliary water tubes inside the fire-box

Definitions

  • Boiler Fire-Boxes and I declare the foll'owing to be a full, clear, and exact description of the same, such as will enable others skilled in the art to which it appertains to make and use the invention, reference being had tothe accompanying drawings, andto letters of reference marked thereon, which form apart of this specification.
  • Figure 1 is a central longitudinal vertical section of my invention as applied.
  • Fig. 2 is a section on the line 2 2, Fig. 1;
  • Fig. 3 is a sectional detail view of the connection of baffler-plate and stay-tubes.
  • Fig; 4 is a perspective detail view of a section of the baffler late.
  • a f i T e invention has relation to steam-boiler fire-boxes, and particularly to improvements upon the devices shown in Letters Patent No. 490,629 and No. 495,939; and the invention consists in the nlovel construction and combinations of parts, as hereinafter setforth.
  • the object, of the present invention is to make provision for more perfect combustion in order to effect a reduction of cinder and carbon particles in thefire-box and also to arrange for a better circulation of the boiling water.
  • bafiler-plate may be loose from the fire-'
  • the letter a desi nates the furnace or-fire-box, and b the boifer having extensions 0. Flues for the passage of the products of combustion to the stack are indicated at d; The doorway of the 'fire-boxis shown at e, and f represents grate-bars.
  • the deflector is shown at g and is preferably/of transversely-arched form, located below the crown-sheet 7c .and extendin backward from the front sheet of the e-box about two-thirds the length of said fire-box,- where it terminates in an upwardly-arched.
  • baffler-plate m Under the back portion of the deflector is located the baffler-plate m, which is also transversely arched in order that it shall have approximate arallel position to the deflector.
  • the ba er 7 plate may be made hollow and in sections engagin each cannot escape their effective action.
  • .box walls atits ends and may be held in position by means of securing-flanges p at the back fire-box sheet and by means of upright stay tubes s to the crown-sheet, as shown.
  • the stay-tubes are designed to promote circulation of the boiler-water through the baffier-plate tubes'and boiler extensions.
  • the baffler-plate extends under theback of the deflector and past its marginal end such wise as to provide the passage or throat t, which is of transversely-arched or approximately arched form.
  • This passa e lying between the concave bottom of t e deflector and the convex top of the baffler-platefls of arched form and ofiapproximately equal vertical depth at the sides as well as in its middle portion.
  • This passage 25 is ofcom parati'vely small depth with relation to its transverse extent and has for its top the back portion ofthe deflector and for its bottom the front portion of the baiiier-plate.
  • the walls of the baflier-plate in front and rear are provided with apertures for the pipes r and p, which form means of communication with the extension-chambers of the boiler.
  • All the products “of combustion are designed to ass through the transverse passage t, in a 1 parts of which saidproducts, including cinder-s and unburned particles of carbon, are subjected to intense heat, whereby theyare desi nod to be thoroughly consumed, so that die products of combustion passing through the flues, d to the stack are relieved of such cinders and carbon particles and are reduced practically to the condition of gas and vapor.
  • the arallel or a proximate parallelism of the eflector to t e baf- -fier-plate is.
  • the circulation of water from the boiler'in and through the baffler-plate is designed to be eflicient because of the hollow stay-pipes leading to the boiler extension above the crown-sheet, and proper bracing and support oi the bafHer-plate is secured by these ipes; which because of the water circ ating through them are conditioned to withstand the great heat of throat t. v
  • a boiler fire-box the combination with a deflector extending from the front wall of the fire-box, of a hollow baflEler-plate ara'llel to said deflector; and upright circuating-pipes connectingyand supporting the bafller-plat'e in position,' substantially as 4-.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Description

PATENTED JAN. 30, 1906.
0. w. HULLINGS. STEAM BOILER FIRE BOX.
APPLICATION FILED JUNE 24, 1905.
2 $HEETS-SHEET l.
PATENTED JAN. 30, 1906.
C. W. HULLINGS. STEAM BOILER FIRE BOX.
APPLICATION FILED JUNE 24, 1905.
2 SHEETS-SHEET 2.
C. m J6 wax-n firm new UNI E STATES PATENT OFFICE.
(JHARLESW. HULLINGS, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO JESSE W. THATCHER, OF PHILADELPHIA, PENN SYL- VANIA,
STEAM-BQILER FIRE-BOX.
Specification of Letters Patent.
Patented Jan. 30, 1906.
Application filed J 11116 24, 1905. Serial No. 266,905.
Boiler Fire-Boxes; and I declare the foll'owing to be a full, clear, and exact description of the same, such as will enable others skilled in the art to which it appertains to make and use the invention, reference being had tothe accompanying drawings, andto letters of reference marked thereon, which form apart of this specification.
Figure 1 is a central longitudinal vertical section of my invention as applied. Fig. 2 is a section on the line 2 2, Fig. 1; Fig. 3 is a sectional detail view of the connection of baffler-plate and stay-tubes. Fig; 4 is a perspective detail view of a section of the baffler late. a f i T e invention has relation to steam-boiler fire-boxes, and particularly to improvements upon the devices shown in Letters Patent No. 490,629 and No. 495,939; and the invention consists in the nlovel construction and combinations of parts, as hereinafter setforth.
The object, of the present invention is to make provision for more perfect combustion in order to effect a reduction of cinder and carbon particles in thefire-box and also to arrange for a better circulation of the boiling water.
- other by tenon-and-groove joints, ass own.- The bafiler-plate may be loose from the fire-' In the accompanying drawings, illustrat ing the invention, the letter a desi nates the furnace or-fire-box, and b the boifer having extensions 0. Flues for the passage of the products of combustion to the stack are indicated at d; The doorway of the 'fire-boxis shown at e, and f represents grate-bars.
The deflector is shown at g and is preferably/of transversely-arched form, located below the crown-sheet 7c .and extendin backward from the front sheet of the e-box about two-thirds the length of said fire-box,- where it terminates in an upwardly-arched.
marginal portion. Under the back portion of the deflector is located the baffler-plate m, which is also transversely arched in order that it shall have approximate arallel position to the deflector. The ba er 7 plate may be made hollow and in sections engagin each cannot escape their effective action.
.box walls atits ends and may be held in position by means of securing-flanges p at the back fire-box sheet and by means of upright stay tubes s to the crown-sheet, as shown. The stay-tubes are designed to promote circulation of the boiler-water through the baffier-plate tubes'and boiler extensions.
The baffler-plate extends under theback of the deflector and past its marginal end such wise as to provide the passage or throat t, which is of transversely-arched or approximately arched form. This passa e, lying between the concave bottom of t e deflector and the convex top of the baffler-platefls of arched form and ofiapproximately equal vertical depth at the sides as well as in its middle portion. This passage 25 is ofcom parati'vely small depth with relation to its transverse extent and has for its top the back portion ofthe deflector and for its bottom the front portion of the baiiier-plate.
The hollow sections of the baifler-plate,
maybe strengthened by means of the colu'mns' (u... The walls of the baflier-plate in front and rear are provided with apertures for the pipes r and p, which form means of communication with the extension-chambers of the boiler.
" All the products "of combustion are designed to ass through the transverse passage t, in a 1 parts of which saidproducts, including cinder-s and unburned particles of carbon, are subjected to intense heat, whereby theyare desi nod to be thoroughly consumed, so that die products of combustion passing through the flues, d to the stack are relieved of such cinders and carbon particles and are reduced practically to the condition of gas and vapor. The arallel or a proximate parallelism of the eflector to t e baf- -fier-plate is. des' nod to provide a passage wherein the dra tends to concentrate the flames andheat in an-equalized manner at all points from side to side, so that the cinders In the patents hereinbefore referred to the lateral portions of the passage are of large capacity com ared with the middle portion and tend to a low the cinders to pass unconsumed to the stack.
The circulation of water from the boiler'in and through the baffler-plate is designed to be eflicient because of the hollow stay-pipes leading to the boiler extension above the crown-sheet, and proper bracing and support oi the bafHer-plate is secured by these ipes; which because of the water circ ating through them are conditioned to withstand the great heat of throat t. v
Having described the invention, what I the flames in the passage or claim, and desireto secure byLetters Patent,
i specified.
under the back portion of the deflector,
whereby a transversely-e ualized passa e is formed between such deflector and ba erplate, substantially as specified.
2. In a boiler fire-boX, the combination with a transversely-arched deflector extending backward from the front wall of the firebox, of a forward-extending transverselyarched baffler-plate, extending from the back wall of the fire-box under the back portion of the deflector and parallel thereto, to form a combustion-passage, substantially as specified.
3. In a boiler fire-box, the combination with a deflector extending from the front wall of the fire-box, of a hollow baflEler-plate ara'llel to said deflector; and upright circuating-pipes connectingyand supporting the bafller-plat'e in position,' substantially as 4-. In a boiler fire-box,the combination with a deflector extending from the front wall of the fire-box, of a haiflerplate extending from the rear wall of the fire-box beyond the end of said deflector and parallel thereto both in longitudinal and in transverse relation, whereby is provided, between said deflector and bafllenplate a flame-passage of approximately equalized draft from side to side, substantially as specified.
In-testimony whereof I afiix my signature in presence of two witnesses.
CHARLES W. HULLIN GS.
Witnesses:
H S. KAESTNER, CHAs. F. WALTER.
US26690505A 1905-06-24 1905-06-24 Steam-boiler fire-box. Expired - Lifetime US811401A (en)

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