US464109A - Water-tube boiler - Google Patents

Water-tube boiler Download PDF

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US464109A
US464109A US464109DA US464109A US 464109 A US464109 A US 464109A US 464109D A US464109D A US 464109DA US 464109 A US464109 A US 464109A
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water
tubes
box
boiler
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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
    • F22B13/02—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 mounted in fixed position with the boiler body disposed upright
    • F22B13/023—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 mounted in fixed position with the boiler body disposed upright with auxiliary water tubes inside the fire-box, e.g. vertical tubes

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  • My invention consists in the improvements in water-tube boilers hereinafter set forth and described, and illustrated in the accompanying ⁇ drawings, in which- Figure 1 shows a side elevation of my improved water-tube boiler, with the boiler-setting in section on the line 00 a: in Fig. 2. Fig.v
  • FIG. 2 shows a front end elevation of one half, the other half being in section on the line y y in Fig. 1.
  • Fig. 3 shows a side elevation of a modified construction of my improved boiler.
  • Fig. 4 shows a vertical cross-section of same on the line .ez in Fig. 3.
  • Fig. 5 shows a side elevation, partially in section, of another modiied construction of my improved boiler.
  • Fig. 6 shows a front end elevation of same.
  • the objects of my invention are, first, to construct a water-tube boiler having boxes preferably sector-shaped to receive the ends of the tubes forming the major portion of the heating-surface of .such boiler, the upper of said boxes being at the front end of the boiler above the furnace and the lower of said boxes forming the rear end of the furnace, one or more banks of the water-tubes connecting said boxes together; second, to provide in the lower and rear-box a partition extending from the bottom of said box upward about twothirds of the height and from end to end thereof, so as to form a mud and sediment depository in said box at the rear of said parti tion; third, to provide a bridge-wal1 extend ing from the upper side of the rear box at the rear of and above the upper tier of tubes connecting said boxes and conforming to the curve thereof; fourth, to connect the box at the front end of the furnace,in which the upper ends of the banks of water-tubes are sc-l cured,with steam-drums provided with tubes, as in ordinary tubular boilers, or made without
  • Figs. 1 and 2 l show a boiler constructed with two tubular steam-drums A A', the front ends of both of which are vconnected to the upper sector-shaped box B and at their rear ends to a large cross-pipe O, from which pipe C a row of small tubes c extend down to and I enter the rear portion of the lower sectorshaped box B at the rear of the bridgewall D, the pipe O being also connected to the upper portion of the face h of the upper box B by means of a row of horizontal pipes d.
  • the boxes B and B are connected together by means of banks of water-tubes E E', the ends of which enter the plane surfaces b and b of the boxes ⁇ B and B andare secured therein, preferably, by expanding the ends thereof in the manner ordinarily employed in securing tubes in boiler-heads.
  • the major portions of the banks of tubes E and E are preferably located atan inclination of about thirty degrees from a horizontal, so as to admit of room under the front ends thereof for a furnace F, in which the fuel is placed upon grate-bars f.
  • a bridge or fire wall which extends from the upper face br of the box B forming the rear of the furnace F, up, say, about three-fifths of the distance from the face b of the box B (following the curve of the bank of tubes E) to the faceh of the box B, so that the heat from the fire-box F passes up between the tubes in the banks E and E thereof and out between the end e of the bridgewall D and the face b of the boxB and IGO H on the curved sides h thereof, so as to admit of access to the insides thereof, and in the lower and rear box B,I. secure a'. partition. I, extending from the lower and curved side h thereof upward, say, about two-thirds of the distance to the angle h', formed by the junction of the plane-sides b and-bof the-box, and
  • Figs. 3 and 4 the. construction shown of my improvedf water-tube boiler isthe same in all respects asA that hereinbefore described, except that it has but a single cylindrical steam-drum A2, and in that the products of combustion, after passing up to and against the lower side of' the steam-.drum A2, pass along to the rear end thereof and out through the opening K in the rear ofthe boiler-setting L to the chimney,- (not shown,) a damper lc being preferably placed in the opening K inthe rear wall of the boiler-setting to control-the draft, andalso inthat below thelower and rear water-box B and communicating therewith is a mud-drum M into which the sediment settlespreparatory to bein g blown 0E, the partition I in this construction being dispensed with.
  • water-tubes in this form of construction are alsomade with a dierent curve from those in .the two preceding forms hereinbefore described, in thatthey are so bent that the lower bank E2 and the upper bank FP when in place nearly form ⁇ the upper and lower rlhe, boxes B and B', I preferably make of boiler-plate, the plane faces b andvb beingsides of an ellipse.
  • the inclination of the water-tubes E2 and E3 isgreater than in the forms hereinbefore described.
  • the construction is substantially the same as that of the other forms herein-beforedescribed; Therefore What I claim as new, and desire to secure by Letters Patent of the United States, is-

Description

(No Model.) 3 sheets-sheet 1. H. W. SELLER. WATER TUBE BOILBR.
No. 464,109. Patented Dec. 1, 1891.
'ma noms #uns no.. vuoto-uma., msmmnnu, n. c.
(No Model.)
H. W. SELLER. WATER TUBE BOILBR.
3 Sheets-Sheet 2.
Patented Dec. l, 1891.
WI T NESSES IN VEN T 0R ATTORNEY UNITED STATES PATimT OFFICE.
HARRY W'. SELLER, OF BROOKLYN, NEV YORK.
WATER-TUBE BOILER.
SPECIFICATION forming part ofLetters Patent No. 464,109, dated December 1, 1891.
- Application tiled April l0, 1891. Serial No. 388,397. (No model.)
To all whom it may concern:
Be it known that I, HARRY WV. SELLER, a
citizen of the United States, residing at the city of Brooklyn, in the county of Kings and State of New York, have invented certain new and useful Improvements in Water-Tube Boilers; andl do herebydeclare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, forming part of this specication.
My invention consists in the improvements in water-tube boilers hereinafter set forth and described, and illustrated in the accompanying` drawings, in which- Figure 1 shows a side elevation of my improved water-tube boiler, with the boiler-setting in section on the line 00 a: in Fig. 2. Fig.v
2 shows a front end elevation of one half, the other half being in section on the line y y in Fig. 1. Fig. 3 shows a side elevation of a modified construction of my improved boiler. Fig. 4 shows a vertical cross-section of same on the line .ez in Fig. 3. Fig. 5 shows a side elevation, partially in section, of another modiied construction of my improved boiler. Fig. 6 shows a front end elevation of same. Figs.
the water-tubes.
Like letters refer to like parts in all the fig-v ures.
The objects of my invention are, first, to construct a water-tube boiler having boxes preferably sector-shaped to receive the ends of the tubes forming the major portion of the heating-surface of .such boiler, the upper of said boxes being at the front end of the boiler above the furnace and the lower of said boxes forming the rear end of the furnace, one or more banks of the water-tubes connecting said boxes together; second, to provide in the lower and rear-box a partition extending from the bottom of said box upward about twothirds of the height and from end to end thereof, so as to form a mud and sediment depository in said box at the rear of said parti tion; third, to provide a bridge-wal1 extend ing from the upper side of the rear box at the rear of and above the upper tier of tubes connecting said boxes and conforming to the curve thereof; fourth, to connect the box at the front end of the furnace,in which the upper ends of the banks of water-tubes are sc-l cured,with steam-drums provided with tubes, as in ordinary tubular boilers, or made without such tubes, by means of upiow-pipes, and also the box at the rear end of the furnace, in which the lower'ends of the banks of watertuhes are secured,with such steam-drums by means of downow-pipes at the rear of the bridge-wall, so as to insure adequate steam and water circulation therein.
The other features of my invention are set forth hereinafter in the specification and claims.
In Figs. 1 and 2 l show a boiler constructed with two tubular steam-drums A A', the front ends of both of which are vconnected to the upper sector-shaped box B and at their rear ends to a large cross-pipe O, from which pipe C a row of small tubes c extend down to and I enter the rear portion of the lower sectorshaped box B at the rear of the bridgewall D, the pipe O being also connected to the upper portion of the face h of the upper box B by means of a row of horizontal pipes d. The boxes B and B are connected together by means of banks of water-tubes E E', the ends of which enter the plane surfaces b and b of the boxes `B and B andare secured therein, preferably, by expanding the ends thereof in the manner ordinarily employed in securing tubes in boiler-heads. The major portions of the banks of tubes E and E are preferably located atan inclination of about thirty degrees from a horizontal, so as to admit of room under the front ends thereof for a furnace F, in which the fuel is placed upon grate-bars f. At the rear of and above the upper tierof tubes in the upper bank E of water-tubes l secure a bridge or fire wall, which extends from the upper face br of the box B forming the rear of the furnace F, up, say, about three-fifths of the distance from the face b of the box B (following the curve of the bank of tubes E) to the faceh of the box B, so that the heat from the lire-box F passes up between the tubes in the banks E and E thereof and out between the end e of the bridgewall D and the face b of the boxB and IGO H on the curved sides h thereof, so as to admit of access to the insides thereof, and in the lower and rear box B,I. secure a'. partition. I, extending from the lower and curved side h thereof upward, say, about two-thirds of the distance to the angle h', formed by the junction of the plane-sides b and-bof the-box, and
from endl to end of said boX, as illustrated by dotted lines in Fig. 2, the object of this. part-it-ionbeing to.form. a chamber in the rear portion. of: theboX Bfor the reception of sedi-V ment, which. canreadily be blown out there-` L from through the blow-off pipe J; in the usual stayed and bracedin. any convenient manner.
In Figs. 3 and 4 the. construction shown of my improvedf water-tube boiler isthe same in all respects asA that hereinbefore described, except that it has but a single cylindrical steam-drum A2, and in that the products of combustion, after passing up to and against the lower side of' the steam-.drum A2, pass along to the rear end thereof and out through the opening K in the rear ofthe boiler-setting L to the chimney,- (not shown,) a damper lc being preferably placed in the opening K inthe rear wall of the boiler-setting to control-the draft, andalso inthat below thelower and rear water-box B and communicating therewith is a mud-drum M into which the sediment settlespreparatory to bein g blown 0E, the partition I in this construction being dispensed with.
In Figs. 5 and 6 I show my invent-ion ina.
modified form, viz: In this construction the steam-drum A2, instead of being locatedi longitudinally over the banks of water-tubes, is located transversely over the front boXB, and is connected thereto byv a row of' small pipes j and is connected to the large transverse pipe C by means of horizontal pipesl. The
water-tubes in this form of construction are alsomade with a dierent curve from those in .the two preceding forms hereinbefore described, in thatthey are so bent that the lower bank E2 and the upper bank FP when in place nearly form` the upper and lower rlhe, boxes B and B', I preferably make of boiler-plate, the plane faces b andvb beingsides of an ellipse. In this construction it will also be observed that the inclination of the water-tubes E2 and E3 isgreater than in the forms hereinbefore described. In all other respects the construction is substantially the same as that of the other forms herein-beforedescribed; Therefore What I claim as new, and desire to secure by Letters Patent of the United States, is-
l. The combination,in a water-tube boiler, of banks of curved inclined water-tubes, with a water-box. above the front end of the furnace in which the front and upper ends of said water-tubes are secured, a water-box at and forming a part of the rear end of the furnace in whicht-he rear and*= lower ends of. said banksof water-tubes are secured, and a steam drum or drums. connected with both the upper'and lower water-boxes, substantially as and. for the purpose set' forth.
2. The combination, in awater-tubefboiler, of banks of curved inclined water-tubes, a
- water-boxat. the front endfof theboiler above the front end.` of the. furnace in, which the front endsofsaid'itubes are secu-red, andl a -water-box at an deformiugvpart of therear end.
of the furnace iuwhich thelrearendsof'said tubes are secured, witha partition, I in the lower and rear one of said water-boxes, and a bridge-wall D, extending from` the lower .water-boxupward and` forwardat the rear ofl Aand above the upper tier'of' watertubes,sub
stantially as and forthe purposeset forth'.
3. The combination, in a water-tube boiler,
of banks. of curvedwater-tubes, as E and'E,l
and Water-.boxes,'as B andBf, in whichK the ends. of said tubes. are secured, with a` steam p drum or drums. connected tov-thefront Water- Ybox, as B, with. a large transverse pipe or ldrum, as4 @,over thev rear. andl lower Water- 'boX, asB, pipes, as. cl, connectingsaid pipe lor drum` G with the front and upper water- -boX B', and pipes, as c, connecting said pipe or drum. C with the lower andirear waterfbox,
tas B', at therearof the bridge-wall D, substantially as and for thepurpose set forth.,
4. The combination, inra water-tube boiler,
, of banks of inclined curvedwater-tubes, as
E andi E', with sector-shaped water-boxesas B and B', in which the ends of said banks of tubesare secured, substantially as and for the purpose set forth.
" In testimonywhereof I'aflix my signature in presence of two witnesses.
HARRY W. SELLER.. Witnesses:
JOHN ARMsrRoNG, CHARLES E. HAYES.
IIO
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