US3200049A - Coking stoker - Google Patents
Coking stoker Download PDFInfo
- Publication number
- US3200049A US3200049A US211944A US21194462A US3200049A US 3200049 A US3200049 A US 3200049A US 211944 A US211944 A US 211944A US 21194462 A US21194462 A US 21194462A US 3200049 A US3200049 A US 3200049A
- Authority
- US
- United States
- Prior art keywords
- grate
- combustion
- outlet
- products
- stoker
- 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
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
- F22B21/34—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers
- F22B21/341—Vertical radiation boilers with combustion in the lower part
- F22B21/343—Vertical radiation boilers with combustion in the lower part the vertical radiation combustion chamber being connected at its upper part to a sidewards convection chamber
- F22B21/345—Vertical radiation boilers with combustion in the lower part the vertical radiation combustion chamber being connected at its upper part to a sidewards convection chamber with a tube bundle between an upper and a lower drum in the convection pass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B7/00—Combustion techniques; Other solid-fuel combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B2700/00—Combustion apparatus for solid fuel
- F23B2700/023—Combustion apparatus for solid fuel with various arrangements not otherwise provided for
Definitions
- Another object of this invention is the provision of a coking stoker which will produce coke of as good a quality as beehive and other batch coke processes.
- a further object of the present invention is the provision of a coking Stoker in which the coke is quenched in a dry state, which condition is quite desirable from the standpoint of theultimate use of the coke and the handling thereof.
- the single gure shows a vertical sectional View longitudinally of an apparatus embodying the principles of the present invention.
- the coking Stoker indicated generaly by the reference numeral 1t
- a furnace 11 having a combustion chamber 12 which is of a generally vertically-elongated form.
- the combustion chamber is provided with an outlet 13 through which gases pass flowing to a heatadsorbing apparatus, such as a boiler 14.
- the boiler is provided with a steam-and-water drum 15 from which extend downcomer tubes 16 and steam-release tubes 17.
- a superheater 18 lies adjacent the outlet 13, which outlet also lies adjacent an inlet 19 of the boiler 14.
- the boiler 14 is provided with an outlet 21 which is connected to a back pass 22 which, in turn, is connected through a fan 23 to a breaching 24 leading to a stack (not shown).
- Underlying the combustion chamber 29 is an endless-chain traveling grate 25 which is driven so that its upper run moves rearwardly toward a hopper 26 which is located in an area underlying the boiler 14; an arch 27 closely overlies the discharge end of the grate 25 and also overlies the hopper 26.
- Mounted on the front wall of the furnace 11 is a feeder hopper 28 serving to provide fresh coal to the traveling grate at a pre- 2 determined rate.
- Underlying the upper run of the grate 2S are a series of vertical Walls defining air Zones 29 which constitute compartments into which air is fed originating in a force draft fan 31.k Each air zone is individually adjustable by dampers (not shown).
- Overre air nozzles 32 and '33 are also furnished withair from the fan 31 and a damper 34 regulates'the flow of air thereto.
- the discharge end ofthe grate 25 is provided lwith gas Zones 35, Sdand 37 which are separated from each other and from the Vair Zones 29and are connected by ducts 38, 39, and 41, respectively, *to a gas box 42.
- a duct 43 connects the-gas box 42 to the outlet of a yfan 44, the inner end of which is connected to the breaching 24 just past the induced draftffan 23.
- Located in the duct 43 is a damper 45 which is actuated through levers. bya hydraulic linear actuator 46 which actuator receives its hydraulic fluid from a control 47 of a well-known type.
- the control receives an electrical signal through a line 4S from a thermocouple 49 located just under the surface of the upper run of chain of the traveling grate 25 between the gas Zones 36 and 37.
- Coal is delivered to the feeder hopper 23 and is delivered to the surface of the upper run of the traveling grate 2S. It then moves across the bottom of the combustion chamber 12. Air from the zones 29 passes upwardly through the coal; the volatiles in the coal are driven upwardly and burn in the combustion chamber. After complete distillation and combustion of the volatiles the products of combustion pass through the outlet 13 of the combustion chamber over the superheater 18 and through the inlet 19 of the boiler. The products of combustion thus pass into the boiler 14 and, after passing over the steam release tubes 17 and the downcomer tubes 15 in the usual manner, they leave the boiler by means of the outlet 21.
- the gas is then passed downwardly through the back pass 22, through the induced draw fan 23, and through the breaching 24 of the stack.
- the coal from which the volatiles have been driven is passing in the meanwhile rearwardly along the traveling grate Stoker 25 toward the hopper 26.
- the coke at this time is in an incandescent condition and is very diicult to handle.
- the fan 44 removes some of the cooled products of combustion from the breaching 24 and passes them through the duct 43 and the ducts 38, 39 and 41 into the gas zones 35, 36, and 37, respectively.
- thermocouple 49 gives a continuous signal through the line d8 to the control 47. This, in turn, regulates the amount of gas which is returned to the grate. When the grate elements appear to be hotter, as measured by the thermocouple 49, the damper 45 will be opened further to permit more gas to flow through the grate and the coke.
- a coking Stoker comprising a furnace having a combustion chamber with an outlet at the upper end, a traveling grate underlying the chamber at the lower end and having an arch overlying the discharge end, a heatabsorbing apparatus associated with the furnace and hav- Ving an inlet connected to the outlet of the chamber to receive hot products of combustion therefrom, the heatabsorbing apparatus having an outlet to discharge the said products of combustion at a lower temperature, vertical walls defining air compartments located under a substantial portion of the grate, a gas compartment located I 4 for control by the thermocouple for regulating the amount of products-of combustion so introduced.
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)
- Coke Industry (AREA)
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US211944A US3200049A (en) | 1962-07-17 | 1962-07-17 | Coking stoker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US211944A US3200049A (en) | 1962-07-17 | 1962-07-17 | Coking stoker |
Publications (1)
Publication Number | Publication Date |
---|---|
US3200049A true US3200049A (en) | 1965-08-10 |
Family
ID=22788904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US211944A Expired - Lifetime US3200049A (en) | 1962-07-17 | 1962-07-17 | Coking stoker |
Country Status (1)
Country | Link |
---|---|
US (1) | US3200049A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR655257A (en) * | 1927-09-27 | 1929-04-17 | Solid fuel distillation machine | |
US3013951A (en) * | 1959-06-15 | 1961-12-19 | Mansfield Vaughn | Method for continuous coke production whiled extracting low temperature volatiles |
-
1962
- 1962-07-17 US US211944A patent/US3200049A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR655257A (en) * | 1927-09-27 | 1929-04-17 | Solid fuel distillation machine | |
US3013951A (en) * | 1959-06-15 | 1961-12-19 | Mansfield Vaughn | Method for continuous coke production whiled extracting low temperature volatiles |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2483728A (en) | Method and apparatus for burning high moisture content fuel | |
US1313779A (en) | Furnace | |
US3043279A (en) | Steam boiler plant | |
US2698283A (en) | Method and apparatus for the destructive distillation of oil shale | |
US2695010A (en) | Furnace for burning solid fuels | |
GB384877A (en) | Method of and apparatus for disposing of fly ash of furnaces | |
US1898479A (en) | Furnace | |
US3200049A (en) | Coking stoker | |
US1618566A (en) | Furnace and apparatus for utilizing shale or other bituminous materials | |
GB2047857A (en) | Stacked fluidezed bed vapour generator | |
US2276659A (en) | Wet refuse furnace and system | |
US1996585A (en) | Incinerator | |
US2498761A (en) | Fuel burning apparatus | |
GB307918A (en) | Improvements in and relating to process and apparatus for the heat treatment of carbonaceous material | |
US1911501A (en) | Steam generating apparatus and method | |
US3544096A (en) | Cross-current blast furnace | |
US1800689A (en) | Furnace and method of operating the same | |
US2637306A (en) | Fluid cooled furnace | |
US2341980A (en) | Device for combustion of solid fuel | |
US2567058A (en) | Apparatus for sequentially degassing and combusting solid fuel having a low sintering temperature | |
US1060837A (en) | Gas-producing oven. | |
US2689212A (en) | Process and device for destructive distillation | |
US2708890A (en) | Spreader stoker furnaces | |
US2980084A (en) | System for burning low volatile fuels | |
US2336236A (en) | Furnace structure |
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 |