US488689A - Steam-boiler - Google Patents

Steam-boiler Download PDF

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US488689A
US488689A US488689DA US488689A US 488689 A US488689 A US 488689A US 488689D A US488689D A US 488689DA US 488689 A US488689 A US 488689A
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boiler
sections
grate
gates
section
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
    • F23B30/02—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts

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  • Thisinvention relates to steam boilers which are composed of superposed or horizontal sections and which are particularly designed for warming buildings.
  • the objects of myinvention are to improve the construction of the fuel magazine, the means for operating the dust gates, and the other portions of the boiler.
  • Figure l is a vertical section of a steam boiler embodying my improvements, the section being taken in a plane intersecting the stoke hole and smoke pipe.
  • Fig. 2 is a horizontal section in line 2-2, Fig. 1.
  • Fig. 3 is a vertical section of the boiler atright angles to Fig. 1.
  • Fig. 4 is a horizontal section in line 4.4, Fig. 3, looking upward.
  • Fig. 5 is a horizontal section in line 5-5, Fig. 1,'looking upward.
  • Fig. 6 is a fragmentary vertical section in line 66, Fig. 5, showing the arrangement of the fines and dust gates.
  • Fig 7 is an elevation of the fuel magazine.
  • A representsthe base of the boiler which is preferably embedded in the floor of the building, and a, is the base ring which rests upon the base and forms with the base A the ash-pit.
  • B represents a trough-shaped ring which rests upon the base ring and is divided into a number of compartments 6 by radial partitions b, as represented in Fig. 6.
  • C 0' represent two superposed horizontal sections of the boiler which form the fire box.
  • the lower section 0 rests upon the compartment ring, and the upper section 0 rests upon the lower section 0.
  • 0 represents the stoke-hole which is formed partly in the lower and partly in the upper fire box section.
  • D represents the intermediate boiler section which rests upon the upper fire box section
  • E the dome which rests upon the intermediate section
  • F the smoke box which rests upon the dome.
  • G represents the water column arranged vertically in the center of the boiler and connected at its upper end with the dome while its lower end is provided with a water receiving chamber 9 to which is connected a supp p p 9- H represents water passages formed respectively in the upper and lower sides of the boiler sections, the passages in one section registering with those of the adjacent sections, so that these passages establish communication between the several sections, as represented in Figs. 1 and 3.
  • h is a steam pipe through which the steam is taken from the dome.
  • I represents primary ascending fines formed in the intermediate and dome sections of the boiler above the fire box and connecting at their upper ends with short horizontal passagesjformed partlyin the dome and partly in the intermediate section.
  • Each passage communicates with a descending flue J which extends through the several sections and opens with its lower end into onerof the compartments b.
  • the upper ends of the primary ascending dues and of the descending fines are closed by plugs j.
  • Each compartment bconnects thelower end of a descending flue with the lower end of a secondary ascending fine.
  • the hotgases from the fire box pass upwardly through the primary ascending flues, thence outwardly through the horizontal passages, thence downwardlythrough the descending flues, thence through the compartments 1?, thence upwardly through the secondary ascending flues into the smoke box and out through the smoke p p f- K represents an annular grate arranged within the compartment ring and provided with an arm is which extends laterally through a slot 70 in the base ring, whereby the grate may be shaken from the outside.
  • the construction and arrangement of the parts are substantially the same as shown and described in Letters Patent of the United States No. 372,519, granted to me November 1, 1887.
  • the grate is oscillated by the usual hand lever connected with the outer end of the grate arm by a link 10 as shown in Fig. 1.
  • a dust opening Z Figs. 5 and 5
  • the openingsl are opened or closed by gates Z resting upon the bottom of the compartments, each provided with a stud Z which depends through a slot Z formed in the bottom of the compartment on one side of the opening Z.
  • Z represents a ring arranged underneath the compartments and provided with perforated ears 6 to which the studs of the gates are secured by keys Z thereby forming aconnection between all of the gates, which permits them to be opened and closed simultaneonsly.
  • m 1% represent depending lugs formed on the gate ring and arranged on opposite sides of the grate arm.
  • the distance between these lugs is less than the possible stroke of the grate arm but greater than the stroke which is required for shaking the grate, so that the ring can be shifted circumferentially in either direction byalong stroke of the arm, which causes the latter to strike either of these lugs, while the grate can be shaken with a short stroke without striking either lug.
  • its arm is first moved the full distance in the direction of the arrow, Fig. 5, which causes the grate arm to strike the lug m of the grate ring and open all the gates.
  • the grate arm is then vibrated with a short stroke to shake down the ashes, but not sufficiently to touch either lugm m.
  • the dust rising from the falling ashes is carried upwardly by the draft through the openings Z and the secondary ascending fines, whence it escapes into the smoke box and smoke pipe with the smoke.
  • the arm of the grate is moved in a direction opposite to that of the arrow, Fig. 5, until the arm strikes the lug m and closes the gates. of heat is required for warming the building, the gates are partly opened, which permits the air to pass upwardly into the ascending fines, thereby checking the draft.
  • Access is afforded for cleaning the flues by removing the plugs j of the primary ascending and of the descending fines, and the caps 9' which close openings formed in the smoke box above the fines.
  • the soot removed from the fines drops into the compartments b and is removed through the dust openings Z.
  • N represents a conical core surrounding the lower portion of the water column, which core assists in spreading the fire and prevents the fuel from becoming chilled by contact with the water column.
  • This core is made in three sections, so that it When onlya small amount can be removed when worn and replaced by new sections.
  • 0 represents a sleeve surrounding the water column and which supports the core. This sleeve rests upon the water receiving chamher 9 and is provided at its upper end with an annular flange 0 which receives hooks 0 formed on the upper inner sides of the core sections.
  • the inner lower sides of the core sections are provided with radial ribs 0 which bear against the side of the sleeve. When the lower edges of the core sections are burned off, the ribs 0 still project over the annular space between the grate and the water chamberg and form a grate which prevents the coal from falling through this space.
  • P represents a cylindrical fuel magazine surrounding the upper portion of the water column and provided at its upper end with two supporting plates 10 p projecting laterally from opposite sides of the magazine and resting upon the intermediate section of the boiler.
  • the plates p are provided on their under sides with blocks 19' which fit between the corrugated inner side of the intermediate section and hold the magazine in place.
  • Q represents an adjustable cylinder which forms thelower portion of the magazine.
  • This cylinder fits into the magazine and is formed, preferably, of four sections. Each section is provided on its outer side with a head 0" having a contracted neck 1'' and the magazine is provided in its side, for the reception of these heads, with openings having enlarged upper portions 8, and contracted lower portions 8'.
  • the sections of the extension cylinder are attached to the magazine by first passing their heads 4" through the enlarged portions of the openings 8 and then moving them downwardly so that the necks of the heads engage in the contracted lower portions 8 whereby the sections are firmly held in place.
  • Several tiers of these openings are formed in the magazine, one below the other, which permit the sections, when theirlower edges areburn ed away, to be lowered by engaging their heads in a lower tier of openings.
  • Figs. 1 and 5 represents a fuel chamber formed centrally in the smoke box and closed by a door 25'.
  • the fuel chamber is connected with the magazine by vertical passages formed in the dome on opposite sides of the water column.
  • the upper edge of the magazine is provided 011 opposite sides with vent openings it which permit the gases formed in the magazine to escape into the fire box where they are consumed.

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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)
  • Solid-Fuel Combustion (AREA)

Description

(No Model.) 3 Sheets -Sheet 2.
M. L. CLINTON.
STEAM BOILER.
No. 488,689. Patented-Dec. 27, 1892.
F. 10 n n n 3 Sheets-Sheet 3.
M. L. CLINTON.
(No Model.)
STEAM BOILER.
No. 488,689. Patented Dec. 27, 1892.
UNITED STATES PATENT OFFICE.
MILES L. CLINTON, OF ITHACA, NEW YORK.
STEAM-BOILER.
SPECIFICATION forming part of Letters Patent No. 488,689, dated December 27, 1892.
Application filed May 26, 1892. Serial No. 434,440. (No model.)
To a whom, it may concern.-
'Beit known that I, MILES L. CLINTON, a citizen of the United States, residing at Ithaca, in the county of Tompkins and State of New York, have invented new and usefulImprovements in Steam-Boilers, of which the following is a specification.
Thisinvention relates to steam boilers which are composed of superposed or horizontal sections and which are particularly designed for warming buildings.
The objects of myinvention are to improve the construction of the fuel magazine, the means for operating the dust gates, and the other portions of the boiler.
In the accompanying drawings consisting of three sheets:Figure l is a vertical section of a steam boiler embodying my improvements, the section being taken in a plane intersecting the stoke hole and smoke pipe. Fig. 2 is a horizontal section in line 2-2, Fig. 1. Fig. 3 is a vertical section of the boiler atright angles to Fig. 1. Fig. 4 is a horizontal section in line 4.4, Fig. 3, looking upward. Fig. 5 is a horizontal section in line 5-5, Fig. 1,'looking upward. Fig. 6 is a fragmentary vertical section in line 66, Fig. 5, showing the arrangement of the fines and dust gates. Fig 7 is an elevation of the fuel magazine.
Like letters of reference refer to like parts in the several figures.
A representsthe base of the boiler which is preferably embedded in the floor of the building, and a, is the base ring which rests upon the base and forms with the base A the ash-pit.
B represents a trough-shaped ring which rests upon the base ring and is divided into a number of compartments 6 by radial partitions b, as represented in Fig. 6.
C 0' represent two superposed horizontal sections of the boiler which form the fire box. The lower section 0 rests upon the compartment ring, and the upper section 0 rests upon the lower section 0.
0 represents the stoke-hole which is formed partly in the lower and partly in the upper fire box section.
D represents the intermediate boiler section which rests upon the upper fire box section, E the dome which rests upon the intermediate section, and F the smoke box which rests upon the dome. 1
G represents the water column arranged vertically in the center of the boiler and connected at its upper end with the dome while its lower end is provided with a water receiving chamber 9 to which is connected a supp p p 9- H represents water passages formed respectively in the upper and lower sides of the boiler sections, the passages in one section registering with those of the adjacent sections, so that these passages establish communication between the several sections, as represented in Figs. 1 and 3.
h is a steam pipe through which the steam is taken from the dome.
I represents primary ascending fines formed in the intermediate and dome sections of the boiler above the fire box and connecting at their upper ends with short horizontal passagesjformed partlyin the dome and partly in the intermediate section. Each passage communicates with a descending flue J which extends through the several sections and opens with its lower end into onerof the compartments b. The upper ends of the primary ascending dues and of the descending fines are closed by plugs j.
J represents secondary ascending fiues which extend through all the sections, their lower ends opening into the compartments I), while their upper ends open into the smoke box. Each compartment bconnects thelower end of a descending flue with the lower end of a secondary ascending fine. The hotgases from the fire box pass upwardly through the primary ascending flues, thence outwardly through the horizontal passages, thence downwardlythrough the descending flues, thence through the compartments 1?, thence upwardly through the secondary ascending flues into the smoke box and out through the smoke p p f- K represents an annular grate arranged within the compartment ring and provided with an arm is which extends laterally through a slot 70 in the base ring, whereby the grate may be shaken from the outside. The construction and arrangement of the parts are substantially the same as shown and described in Letters Patent of the United States No. 372,519, granted to me November 1, 1887. The grate is oscillated by the usual hand lever connected with the outer end of the grate arm by a link 10 as shown in Fig. 1. Each of the compartments in the ring Bis pro vided in its bottom with a dust opening Z, Figs. 5 and 5, through which the light dust in the ash-pit is permitted to escape and which also enables the heat to be checked. The openingsl are opened or closed by gates Z resting upon the bottom of the compartments, each provided with a stud Z which depends through a slot Z formed in the bottom of the compartment on one side of the opening Z.
Z represents a ring arranged underneath the compartments and provided with perforated ears 6 to which the studs of the gates are secured by keys Z thereby forming aconnection between all of the gates, which permits them to be opened and closed simultaneonsly.
m 1% represent depending lugs formed on the gate ring and arranged on opposite sides of the grate arm. The distance between these lugs is less than the possible stroke of the grate arm but greater than the stroke which is required for shaking the grate, so that the ring can be shifted circumferentially in either direction byalong stroke of the arm, which causes the latter to strike either of these lugs, while the grate can be shaken with a short stroke without striking either lug. When it is desired to shake the grate, its arm is first moved the full distance in the direction of the arrow, Fig. 5, which causes the grate arm to strike the lug m of the grate ring and open all the gates. The grate arm is then vibrated with a short stroke to shake down the ashes, but not sufficiently to touch either lugm m. The dust rising from the falling ashes is carried upwardly by the draft through the openings Z and the secondary ascending fines, whence it escapes into the smoke box and smoke pipe with the smoke. After the ashes have been shaken down, the arm of the grate is moved in a direction opposite to that of the arrow, Fig. 5, until the arm strikes the lug m and closes the gates. of heat is required for warming the building, the gates are partly opened, which permits the air to pass upwardly into the ascending fines, thereby checking the draft. Access is afforded for cleaning the flues by removing the plugs j of the primary ascending and of the descending fines, and the caps 9' which close openings formed in the smoke box above the fines. The soot removed from the fines drops into the compartments b and is removed through the dust openings Z.
N, Figs. 1, 2 and 3, represents a conical core surrounding the lower portion of the water column, which core assists in spreading the fire and prevents the fuel from becoming chilled by contact with the water column. This core is made in three sections, so that it When onlya small amount can be removed when worn and replaced by new sections.
0 represents a sleeve surrounding the water column and which supports the core. This sleeve rests upon the water receiving chamher 9 and is provided at its upper end with an annular flange 0 which receives hooks 0 formed on the upper inner sides of the core sections. The inner lower sides of the core sections are provided with radial ribs 0 which bear against the side of the sleeve. When the lower edges of the core sections are burned off, the ribs 0 still project over the annular space between the grate and the water chamberg and form a grate which prevents the coal from falling through this space.
P, Figs. 1, 3, at and 7, represents a cylindrical fuel magazine surrounding the upper portion of the water column and provided at its upper end with two supporting plates 10 p projecting laterally from opposite sides of the magazine and resting upon the intermediate section of the boiler. The plates p are provided on their under sides with blocks 19' which fit between the corrugated inner side of the intermediate section and hold the magazine in place.
Q represents an adjustable cylinder which forms thelower portion of the magazine. This cylinder fits into the magazine and is formed, preferably, of four sections. Each section is provided on its outer side with a head 0" having a contracted neck 1'' and the magazine is provided in its side, for the reception of these heads, with openings having enlarged upper portions 8, and contracted lower portions 8'. The sections of the extension cylinder are attached to the magazine by first passing their heads 4" through the enlarged portions of the openings 8 and then moving them downwardly so that the necks of the heads engage in the contracted lower portions 8 whereby the sections are firmly held in place. Several tiers of these openings are formed in the magazine, one below the other, which permit the sections, when theirlower edges areburn ed away, to be lowered by engaging their heads in a lower tier of openings.
15, Figs. 1 and 5, represents a fuel chamber formed centrally in the smoke box and closed by a door 25'. The fuel chamber is connected with the magazine by vertical passages formed in the dome on opposite sides of the water column. The upper edge of the magazine is provided 011 opposite sides with vent openings it which permit the gases formed in the magazine to escape into the fire box where they are consumed.
I claim as my invention:-
1. The combination with the boiler sections having vertical fines and compartments connecting the lower ends of said flues and provided with openings, of gates arranged in the compartments and adapted to open or close the openings, and a movable ring connecting the gates, whereby the gates are shifted simultaneously, substantially as set forth.
2. The combination with the boiler sections provided with vertical fiues and compartments connecting the lower ends of the flues and provided with openings and slots, of gates adapted to close said openings and provided with depending studs arranged in said slots, and a movable ring arranged underneathrthe compartments and provided with ears to which .the lugs of the gates are secured, substantially as set forth.
3. The combination with the flue compart: ments having openings for the escape of dust, the gates arranged over said openings and the movable ring connecting said gates and pro-.. vided with stops or projections, of an oscillating grate having an arm which engages be tween said stops or projections, the distance between the latter being greater than the shaking stroke of the grate-arm and less than the stroke which is required for shifting the ring, substantially as set forth. 7
at. The combination witha steam boiler provided with a fire box and a central Water column extending into said box, of a sleeve surrounding said column and provided with an annular top flange and a sectional core surrounding the water column and having each of its sections provided with a hook which engages over said fianges,.substantially as set forth. i
5. The combinationwith a steam boiler provided with a fire box and a central Water column extending into said fire box,of a sleeve surrounding the water column and provided with an annular top flange, and a conical core surrounding said column and composed of sections, each section provided near its upper end with a hook engaging with said flange andon its lower side with vertical ribs which" rest against the sleeve, substantially as set forth.
6. The combination with the fire boxand g .MILESL. OLIJNTON.
Witnesses: I r i I E. M, TREMAN, O. M. C-LInToN.
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