US3559624A - Steam generating unit - Google Patents

Steam generating unit Download PDF

Info

Publication number
US3559624A
US3559624A US729491A US3559624DA US3559624A US 3559624 A US3559624 A US 3559624A US 729491 A US729491 A US 729491A US 3559624D A US3559624D A US 3559624DA US 3559624 A US3559624 A US 3559624A
Authority
US
United States
Prior art keywords
tubes
section
generating unit
furnace
steam generating
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
Application number
US729491A
Other languages
English (en)
Inventor
Ramsey Sheikh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Riley Power Inc
Original Assignee
Riley Power Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Riley Power Inc filed Critical Riley Power Inc
Application granted granted Critical
Publication of US3559624A publication Critical patent/US3559624A/en
Assigned to ASHLAND TECHNOLOGY, INC., A CORP. OF DE. reassignment ASHLAND TECHNOLOGY, INC., A CORP. OF DE. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: UNITED STATES RILEY CORPORATION, A CORP. OF DE.
Anticipated expiration legal-status Critical
Assigned to ATEC, INC. reassignment ATEC, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: ASHLAND TECHNOLOGY, INC.
Assigned to RILEY STOKER CORPORATION, A MA CORP. reassignment RILEY STOKER CORPORATION, A MA CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ATEC, INC.
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
    • F22B21/02—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially-straight water tubes
    • F22B21/04—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially-straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely
    • F22B21/08—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially-straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely the water tubes being arranged sectionally in groups or in banks, e.g. bent over at their ends
    • F22B21/081—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially-straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely the water tubes being arranged sectionally in groups or in banks, e.g. bent over at their ends involving a combustion chamber, placed at the side and built-up from water tubes

Definitions

  • This invention relates to a steam generating unit and, more particularly, to apparatus for generating steam in which the heat from the products of combustion is used very efiiciently in a compact, prefabricated construction arrangement.
  • Another object of this invention is the provision of a steam generating unit in which the major elements are capable of construction in a manufacturing plant and shipped to the field for final assembly.
  • a further object of the present invention is the provision of a steam generating unit of the package type having high availability.
  • a still further object of the invention is the provision of a steam generating unit in which the fuel burning and gas flow arrangement is such to promote excellent mixing of gases and absence of temperature stratification.
  • the present invention consists of a steam generating unit having a vertically-elongated furnace section of welded wall construction, having a boiler section of vertically-elongated form mounted parallel to and adjacent the furnace section, having feeder tubes connecting the two sections at their lower ends, and having steam release tubes joining the two sections at their upper ends.
  • the furnace section is polygonal in cross section and burners are located on two of the sides which are adjacent to and angularly arranged relative to a rear wall.
  • the furnace section is provided with a bottom consisting of a flat central portion joined to upwardly-inclined portions on the sides.
  • the header extends transversely across the bottom with horizontal and inclined portions lying in the central and inclined portions. respectively.
  • the furnace section is provided with a roof consisting of a horizontal central portion joined to a downwardly-inclined portion on each side and a header extends transversely across the roof with horizontal and inclined portions lying in the central and inclined portions of the roof.
  • FIG. 1 is a perspective view of a steam generating unit embodying the principles of the present invention
  • FIG. 2 is a longitudinal sectional view of the unit
  • FIG. 3 is a sectional view of the unit taken on the line III-III of FIG. 2,
  • FIG. 4 is a horizontal sectional view of the unit taken on the line lV-IV of FIG. 2, and
  • FIG. 5 is a sectional view of a portion of a wall.
  • the steam generating unit is shown as consisting of a furnace section 11 and a boiler section 12.
  • the furnace section 11 is formed of welded wall construction of the type shown in section in FIG. 5 and is of vertically-elongated form.
  • the boiler section 12 is also of vertically-elongated form and is mounted parallel to and adjacent to the furnace section.
  • Feeder tubes 13 connect the two sections at their lower ends and steam release tubes 14 join the two sections at their upper ends.
  • Each section has a cross-sectional dimension which permits transportation on a railroad flat car with adequate overhead and side clearance.
  • the cross-sectional shape of the furnace section 1 l is octagonal and burners l5 and 16 are located on two of the sides which are adjacent to and angularly-arranged relative to the rear wall 17.
  • the furnace section 11 is provided with a bottom 18 which consists of a flat central portion 19 joined to upwardlyinclined portions 21 and 22 on the sides.
  • the header 23 extends across the bottom 18 with horizontal and inclined portions lying in the central portion 19 and the inclined portions 21 and 22, respectively.
  • the feeder tubes 13 extend rearwardly from the header 23 and are welded to corresponding feeder tubes extending forwardly from the boiler section 12.
  • the furnace section 11 is provided with a roof 24 consisting of a horizontal central portion 25 joined to downwardly-inclined portions 26 and 27 on the sides.
  • a header 28 extends transversely across the roof 24 with horizontal and inclined portions lying in thecentral portion 25 and the inclined portions 26 and 27, respectively.
  • the steam release tubes 14 extend rearwardly from the header 28 and are welded to corresponding steam release tubes extending forwardly from the boiler section.
  • the rear wall 17 of the furnace section 11 and a front wall 29 of the boiler section 12 are located in juxtaposition.
  • the front wall 29 of the boiler section has two side panels 31 and 32 (see FIG. 4) which lie in a transverse plane and define a gap between them.
  • the rear wall of the furnace section 11 has a central panel 33 which lies in the said gap and also has the two forwardly-inclined panels 34 and 35 which lie at a substantial horizontal angle to the said side panels of the front wall of the boiler section.
  • Each side panel 31 and 32 of the front wall 29 of the boiler section 12 and its corresponding forwardly-inclined panel 34 and 35, respectively, of the rear wall of the furnace section form a space of triangular horizontal cross-sectional shape in which lie burner boxes associated with the burners and 16.
  • a plurality of vertically-spaced burners are mounted in each burner box and extend through the said forwardly-inclined panels 34 and 35, as is evident in FIG. 4.
  • Each burner box is provided with a baffle 50 and dampers 51 to permit delivery of air selectively to an individual burner.
  • the aforementioned gap in the front wall of the boiler section is provided with widely-spaced tubes 36 which extend from the upper drum 37 to the lower drum 38 and these tubes are not joined in their intermediate portions.
  • the central panel 33 of the rear wall [7 of the furnace portion 11 has some of its tubes bent out of the plane of the panel in the upper portion to form a gas exit opening.
  • the tube spacing and location in longitudinal vertical planes is the same as the spacing and location of the tubes in the widely-spaced tubes 36 in the aforementioned gap.
  • the boiler section 12 is provided with an upper drum 37 and a lower drum 38 which are joined in the usual manner by a mass of downcomer tubes 39.
  • the drums are joined by a front, rear, and two sidewalls formed of closely-spaced tubes which, in turn, are joined by welded strips.
  • a baffle 41 extends downwardly from the upper drum 37 to divide the space formed by the said walls into a forward pass in which a superheater 42 is located and a rearward pass in which the said mass of downcomer tubes 39 is located.
  • the furnace section 11 and the boiler section 12 are independently manufactured at a location remote from the construction site.
  • the boiler section is provided with forwardly-directed feeder tubes at the lower end and steam release tubes at the upper end, while the furnace section is provided with rearwardly-directed feeder tubes at the lower end and steam release tubes at the upper end.
  • the sections are independently transported to the construction site where they are mounted in parallel juxtaposition and the feeder and steam release tubes are welded together.
  • FIG. 4 shows the close approximation to the ideal that has been achieved with the present steam generating unit.
  • the fuel and air are injected through the burners in a diagonally-opposed fashion with the trajectories meeting approximately in the center of the octagonal furnace.
  • the resultant high intensity core of combustion is ,a single oblong flame mass that radiates to all walls in a uniform manner.
  • four burners would be associated with each of the inclined panels to give a total of eight burners and experience has shown that the tumdown which is possible is far greater than with most existing boilers.
  • opposed firing is maintained to retain uniformity in heat absorption and gas flow for continuous operation, under light load conditions and for the cleaning of burner guns and the like, individual burners can be removed from operation without detrimental effects.
  • the present design provides for access for inspection, repair of cleaning of the entire generating bank, superheater, and furnace. [t is clear, then, that the present design has provided a shop-assembled boiler that has all the characteristics of proven field-erected designs without excluding the economic advantages of shop assembly.
  • a steam generating unit comprising:
  • feeder tubes connecting the two sections at their lower ends
  • each of said sections having cross-sectional dimensions permitting it to be accommodated with its length horizontal on a railroad flatcar with adequate overhead and side clearance;
  • each of said sections further being of such'complete and integral construction as to permit self support with its length horizontal and as to require for completion of its pressure parts only the connection of feeder and steam release tubes to the other section; and wherein the furnace section is provided with a bottom consisting of a flat central portion joined to an upwardly-inclined portion on each side and wherein a header extends transversely across the said bottom with horizontal and inclined portions lying in thec'entral and inclined portions, respectively.
  • a steam generating unit comprising: a. a furnace section of welded wall construction of vertically-elongated form;
  • feeder tubes connecting the two sections at their lower ends
  • each of said sections having cross-sectional dimensions permitting it to be accommodated with its length horizontal on a railroad flatcar with adequate overhead and side clearance;
  • each of said sections further being of such complete and integral construction as to permit self support with its length horizontal and as to require for completion of its pressure parts only the connection of feeder and steam release tubes to the other section; and wherein the furnace section is provided with a roof consisting of a horizontal central portion joined to a downwardlyinclined portion on each side and wherein a header extends transversely across the said roof with horizontal and inclined portions lying in the central and inclined portions of the roof.
  • a steam generating unit comprising a furnace section of welded wall construction of vertically-elongated form, a boiler section of vertically-elongated form mounted parallel and adjacent to the furnace section, feeder tubes connecting the two sections at their lower ends, steam release tubes joining the two sections at their upper ends, said furnace section having a cross-sectional shape forming a polygon of more than four sides arranged to approximate a circle, and burners located on at least two of said sides and positioned to produce high velocity fuel and air jets which meet and impinge on each other approximately in the center of said cross section to produce a high intensity core of combustion in a single oblong flame mass that radiates to all of said furnace walls in a uniform manner.
  • a steam generating unit comprising a furnace section of welded wall construction of vertically-elongated form, a boiler section of vertically-elongated form mounted parallel and adjacent to the furnace section, feeder tubes connecting the two sections at their lower ends, steam release tubes joining the two sections at their upper ends, said furnace section having a rear wall and said boiler section having a front wall located in juxtaposition to the rear wall of the furnace section, said boiler section having a front wall including two side panels lying in a transverse plane and defining a gap between them, the rear wall of the furnace section having a central panel which lies in said gap and two forwardly inclined panels which lie at a substantial horizontal angle to the said side panels of the front wall of the boiler section.
  • each side panel of the front wall of the boiler section and its corresponding forwardly-inclined panel of the rear wall of the furnace section form a space of triangular horizontal crosssectional shape, wherein a burner box is located in the space, and wherein a plurality of vertically-spaced burners are mounted in the burner box and extend through the said forwardlyinclined panel.
  • a steam generating unit comprising:
  • a furnace section of welded wall construction of vertically-elongated form said welded wall construction comprising vertical tubes interspersed with flanges welded thereto along their lengths the cross-sectional shape of the furnace section being polygonal and including a rear wall,
  • burners located on two sidewalls of said furnace section which are adjacent to and angularly arranged relative to said rear wall, the furnace section being provided with a bottom consisting of a flat central portion joined to an upwardly-inclined portion on each side, said upwardlyinclined portions being formed of constructions of the tubes and flanges of said sidewalls.
  • a furnace structure comprising tube panel walls having parallel tubes interspersed with flanges, said walls being arranged to surround an interior region, the ends of the tubes forming the panel walls being bent inwardly of said enclosure toward a common line at each end of the enclosure, a header at each end of said enclosure and lying along said common line, said majority of the tubes being connected to said headers thereby to provide a structurally sound enclosure with minimal header connection requirements, the tubes in first selected regions of said panel walls being configured to form first openings for the admission of burners into said interior region and the tubes in second selected regions of said panel walls being configured to form second openings for the exit of exhaust gases from said interior region.

Landscapes

  • 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)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Combustion Of Fluid Fuel (AREA)
US729491A 1968-04-26 1968-04-26 Steam generating unit Expired - Lifetime US3559624A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72949168A 1968-04-26 1968-04-26

Publications (1)

Publication Number Publication Date
US3559624A true US3559624A (en) 1971-02-02

Family

ID=24931285

Family Applications (1)

Application Number Title Priority Date Filing Date
US729491A Expired - Lifetime US3559624A (en) 1968-04-26 1968-04-26 Steam generating unit

Country Status (5)

Country Link
US (1) US3559624A (enExample)
BE (1) BE732024A (enExample)
CA (1) CA920447A (enExample)
FR (1) FR2007007A1 (enExample)
GB (1) GB1225901A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696794A (en) * 1971-02-04 1972-10-10 Michael I Kearns Steam generating apparatus
WO1992018806A1 (en) * 1991-04-10 1992-10-29 Gadelius Sunrod Ab Water tube boiler
RU2436012C1 (ru) * 2010-04-30 2011-12-10 Закрытое акционерное общество Специализированное предприятие "Энергософин" Котельный пучок

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2006200739B8 (en) * 2002-07-22 2011-04-07 Johann Granitzer Furnace arrangements

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1859858A (en) * 1929-10-28 1932-05-24 Wright Paul Boiler
US2013565A (en) * 1932-05-13 1935-09-03 Foster Wheeler Corp Boiler
US2825312A (en) * 1953-01-30 1958-03-04 Babcock & Wilcox Co Fluid heaters
US3003482A (en) * 1958-04-29 1961-10-10 Babcock & Wilcox Co Integral furnace-vapor generator
US3182640A (en) * 1964-05-19 1965-05-11 Riley Stoker Corp Steam generating unit
US3227870A (en) * 1966-01-04 Automatic control for trains and other vehicles
US3266467A (en) * 1964-11-25 1966-08-16 Ralph D Winship Bottom fired package boiler
US3272186A (en) * 1964-11-25 1966-09-13 Foster Wheeler Corp Packaged steam generator
US3283801A (en) * 1964-02-25 1966-11-08 Riley Stoker Corp Steam generating unit
US3315647A (en) * 1965-06-29 1967-04-25 Combustion Eng Marine steam generator having fluid cooled furnace

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227870A (en) * 1966-01-04 Automatic control for trains and other vehicles
US1859858A (en) * 1929-10-28 1932-05-24 Wright Paul Boiler
US2013565A (en) * 1932-05-13 1935-09-03 Foster Wheeler Corp Boiler
US2825312A (en) * 1953-01-30 1958-03-04 Babcock & Wilcox Co Fluid heaters
US3003482A (en) * 1958-04-29 1961-10-10 Babcock & Wilcox Co Integral furnace-vapor generator
US3283801A (en) * 1964-02-25 1966-11-08 Riley Stoker Corp Steam generating unit
US3182640A (en) * 1964-05-19 1965-05-11 Riley Stoker Corp Steam generating unit
US3266467A (en) * 1964-11-25 1966-08-16 Ralph D Winship Bottom fired package boiler
US3272186A (en) * 1964-11-25 1966-09-13 Foster Wheeler Corp Packaged steam generator
US3315647A (en) * 1965-06-29 1967-04-25 Combustion Eng Marine steam generator having fluid cooled furnace

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696794A (en) * 1971-02-04 1972-10-10 Michael I Kearns Steam generating apparatus
WO1992018806A1 (en) * 1991-04-10 1992-10-29 Gadelius Sunrod Ab Water tube boiler
US5273002A (en) * 1991-04-10 1993-12-28 Gadelius Sunrod Ab Water tube boiler
AU646128B2 (en) * 1991-04-10 1994-02-10 Gadelius Sunrod Ab Water tube boiler
RU2436012C1 (ru) * 2010-04-30 2011-12-10 Закрытое акционерное общество Специализированное предприятие "Энергософин" Котельный пучок

Also Published As

Publication number Publication date
CA920447A (en) 1973-02-06
BE732024A (enExample) 1969-10-24
GB1225901A (enExample) 1971-03-24
FR2007007A1 (enExample) 1970-01-02

Similar Documents

Publication Publication Date Title
US3927627A (en) Steam generating system and method utilizing exhaust gas recirculation
US3559624A (en) Steam generating unit
CA2082502C (en) Water tube boiler
US3867909A (en) Slag prevention air slots in furnace sidewalls
US3352289A (en) Steam generator
US2271880A (en) Steam generator
US3257992A (en) Coal burning water tube steam generator construction embodying integral primary coal slagging type furnace and secondary furnace
US11583818B2 (en) Combustor air bar grid for use within a fluidized bed reactor, and a fluidized bed reactor
US3149614A (en) Steam generator
US3212481A (en) Integral box construction for steam generators
US2048373A (en) Steam generator
US3266467A (en) Bottom fired package boiler
US3311090A (en) Boiler apparatus for complete combustion of fuel
US2322390A (en) Steam generator
US1930688A (en) Boiler
US2512677A (en) Steam generator
US2821965A (en) Dual furnace with pressure equalizing means
US3476090A (en) Steam generating unit
US4408566A (en) Boilers
US3811415A (en) Vapour heating and vapour generating units
US3153402A (en) Steam generator
US3696794A (en) Steam generating apparatus
US3315647A (en) Marine steam generator having fluid cooled furnace
US3677532A (en) Two chamber fuel burner
RU2084759C1 (ru) Паровой котел (варианты)

Legal Events

Date Code Title Description
AS Assignment

Owner name: ASHLAND TECHNOLOGY, INC., NEW YORK, NY, A CORP. OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:UNITED STATES RILEY CORPORATION, A CORP. OF DE.;REEL/FRAME:004435/0797

Effective date: 19850709

AS Assignment

Owner name: RILEY STOKER CORPORATION, WORCESTER, MA A MA CORP.

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ATEC, INC.;REEL/FRAME:005521/0514

Effective date: 19900928

Owner name: ATEC, INC.

Free format text: CHANGE OF NAME;ASSIGNOR:ASHLAND TECHNOLOGY, INC.;REEL/FRAME:005521/0519

Effective date: 19851205