US2474548A - Wall box for water tube boilers - Google Patents
Wall box for water tube boilers Download PDFInfo
- Publication number
- US2474548A US2474548A US711876A US71187646A US2474548A US 2474548 A US2474548 A US 2474548A US 711876 A US711876 A US 711876A US 71187646 A US71187646 A US 71187646A US 2474548 A US2474548 A US 2474548A
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- US
- United States
- Prior art keywords
- tubes
- water tube
- wall box
- tube boilers
- furnace
- 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.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/22—Drums; Headers; Accessories therefor
Definitions
- This invention relates to water wall furnaces and more particularly to a supporting beam construction at the point where the boiler tubes are brought outside the furnace for connection to a header, drum, or for any other purpose.
- the present invention therefore, has for its prime object to provide a beam which can be fabricated of commercially available shapes, and will be strong enough to carry the overlying load, and will at the same time permit the tubes to be brought out of the furnace in any number of horizontal rows.
- Figure l is a fragmental view of the upper end of a water wall furnace, partially cut away to illustrate the construction of the invention.
- Figure 2 is a side elevation of the supporting upright, the header and the supporting fabricated beam, the refractory supporting means being omitted for purposes of clarity.
- l is an upright or column forming the foundation of the steel supporting furnace framework, such uprights being arranged in spaced relation around the furnace chamber.
- a furnace wall 2 Secured to the uprights in any suitable manner, not shown, is a furnace wall 2.
- the wall 2 is lined with a series of water tubes 3 which, at their upper ends, are bent outwardly through the furnace wall where they may be connected to a i header or the like 4, or may be otherwise disposed of.
- the tubes 3 are so close-together that they must be connected to a header in two rows, see Figure 2, at different vertical levels, it being understood in this connection that the tubes may be brought out in any number of rows depending upon the design and size of the parts.
- a fabricated horizontal beam is carried by the uprights l, said beam, as illustrated, comprising a pair of reversely facing bridge members, such as, channels 5 and (i, formed in a unitary structure by diagonal reinforce members, as shown by T-irons 'l and 8, to provide a reticulated beam formed with openings for the tubes, the reinforce members being welded or otherwise secured to any part of the channels or ⁇ bridge members of other shape.
- the beam carries a box Stringer 9 from which tile hangers Ill are suspended, said hangers supporting refractories Il and 12 of such length and shape as to closely conform to the curvature of the particular tube underlying the same.
- the space under the tubes 3 is closed by a series of tile I3 and I4 respectively conforming to the curvature of the lower side of the tubes, and supported on hangers l5 carried by Stringer boxes I6 secured to the uprights I.
- a water tube boiler In a water tube boiler, the combination with an upright support, a horizontal beam carried by said support and comprising a pair of vertically spaced members connected by two sets of oppositely inclined spaced diagonals to provide tube-receiving openings, a plurality of water tubes spaced from the upright and having their upper ends curved horizontally, the horizontal portion of alternate tubes passing through the openings at different levels, tile supports respectively carried by the upright and the beam, and tile carried by said tile supports in coacting pairs to embrace the upper and lower faces of the curved portion of each Water tube.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Description
G. P. REINTJEs 2,474,548A
WALL B0Xv FOR WATER TUBE BOILERS June z8, 1949.
Filed Nov. 2s, 194s Gttoxneg Patented June 28, 1949 UNITED STATES PATENT OFFICEl WALL BOX FOR WATER TUBE BOILERS George P. Reintjes, Kansas City, Mo.
Application November 23, 1946, Serial No. 711,876
1 claim. 1
This invention relates to water wall furnaces and more particularly to a supporting beam construction at the point where the boiler tubes are brought outside the furnace for connection to a header, drum, or for any other purpose.
In usual designs of the general nature involved, the boiler tubes have heretofore been brought out of the furnace wall through a more or less elaborate and bulky girder structure spaced just above or below the customary horizontal beam that supports the load of that part of the furnace overlying the tubes. One form of construction in which I have eliminated the complexities of prior constructions is shown in my prior patent in which I bring the tubes through the horizontal beam.
This construction is satisfactory in those cases where the tube diameters and spacing are such that the tubes may enter a header, drum or the like, .in a single row, but where the tubes are of such diameter or are so spaced as to require more than one row at the point where they enter a header or are otherwise directed, it has been found that the supporting beam must sometimes be reinforced or requires a heavier web than supplied by standard or commercial shapes.
The present invention, therefore, has for its prime object to provide a beam which can be fabricated of commercially available shapes, and will be strong enough to carry the overlying load, and will at the same time permit the tubes to be brought out of the furnace in any number of horizontal rows.
With the general objects named in view and others as will hereinafter appear, the invention consists in certain novel and useful features of construction and organization of parts as hereinafter described and claimed; and in order that it may be fully understood, reference is to be had to the accompanying drawing, in which:
Figure l is a fragmental view of the upper end of a water wall furnace, partially cut away to illustrate the construction of the invention.
Figure 2 is a side elevation of the supporting upright, the header and the supporting fabricated beam, the refractory supporting means being omitted for purposes of clarity.
In the said drawing, Where like reference characters identify corresponding parts in all of the gures, l is an upright or column forming the foundation of the steel supporting furnace framework, such uprights being arranged in spaced relation around the furnace chamber. Secured to the uprights in any suitable manner, not shown, is a furnace wall 2.
In certain furnace designs, the wall 2 is lined with a series of water tubes 3 which, at their upper ends, are bent outwardly through the furnace wall where they may be connected to a i header or the like 4, or may be otherwise disposed of. In the construction illustrated, the tubes 3 are so close-together that they must be connected to a header in two rows, see Figure 2, at different vertical levels, it being understood in this connection that the tubes may be brought out in any number of rows depending upon the design and size of the parts.
In order to carry the load of the overlying portion of the furnace Wall and permit the tubes to extend therethrough, a fabricated horizontal beam is carried by the uprights l, said beam, as illustrated, comprising a pair of reversely facing bridge members, such as, channels 5 and (i, formed in a unitary structure by diagonal reinforce members, as shown by T-irons 'l and 8, to provide a reticulated beam formed with openings for the tubes, the reinforce members being welded or otherwise secured to any part of the channels or `bridge members of other shape.
The beam carries a box Stringer 9 from which tile hangers Ill are suspended, said hangers supporting refractories Il and 12 of such length and shape as to closely conform to the curvature of the particular tube underlying the same. The space under the tubes 3 is closed by a series of tile I3 and I4 respectively conforming to the curvature of the lower side of the tubes, and supported on hangers l5 carried by Stringer boxes I6 secured to the uprights I.
From the above description it will be apparent that I have produced a construction possessing all of the features of advantage set forth as desirable, and while I have described and illustrated the preferred construction, it is to be understood that I reserve the right to al1 changes within the spirit and scope of the appended claim.
I claim:
In a water tube boiler, the combination with an upright support, a horizontal beam carried by said support and comprising a pair of vertically spaced members connected by two sets of oppositely inclined spaced diagonals to provide tube-receiving openings, a plurality of water tubes spaced from the upright and having their upper ends curved horizontally, the horizontal portion of alternate tubes passing through the openings at different levels, tile supports respectively carried by the upright and the beam, and tile carried by said tile supports in coacting pairs to embrace the upper and lower faces of the curved portion of each Water tube.
GEORGE P. REINTJES.
REFERENCES CITED The following referenlces are of record in the le of this patent:
UNITED STATES PATENTS Number Name Date 1,753,192 Bell Apr. 8, 1930 1,791,559 Harris Feb. 10, 1931
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US711876A US2474548A (en) | 1946-11-23 | 1946-11-23 | Wall box for water tube boilers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US711876A US2474548A (en) | 1946-11-23 | 1946-11-23 | Wall box for water tube boilers |
Publications (1)
Publication Number | Publication Date |
---|---|
US2474548A true US2474548A (en) | 1949-06-28 |
Family
ID=24859893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US711876A Expired - Lifetime US2474548A (en) | 1946-11-23 | 1946-11-23 | Wall box for water tube boilers |
Country Status (1)
Country | Link |
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US (1) | US2474548A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1753192A (en) * | 1922-12-19 | 1930-04-08 | Power Specialty Co | Heating apparatus |
US1791559A (en) * | 1930-01-30 | 1931-02-10 | Superheater Co Ltd | Support for superheaters |
-
1946
- 1946-11-23 US US711876A patent/US2474548A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1753192A (en) * | 1922-12-19 | 1930-04-08 | Power Specialty Co | Heating apparatus |
US1791559A (en) * | 1930-01-30 | 1931-02-10 | Superheater Co Ltd | Support for superheaters |
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