GB986510A - Method and apparatus for the recovery of energy from the spent gases of a catalytic cracking unit - Google Patents

Method and apparatus for the recovery of energy from the spent gases of a catalytic cracking unit

Info

Publication number
GB986510A
GB986510A GB28971/63A GB2897163A GB986510A GB 986510 A GB986510 A GB 986510A GB 28971/63 A GB28971/63 A GB 28971/63A GB 2897163 A GB2897163 A GB 2897163A GB 986510 A GB986510 A GB 986510A
Authority
GB
United Kingdom
Prior art keywords
gases
boiler
temperature
air
compressor
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
Application number
GB28971/63A
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of GB986510A publication Critical patent/GB986510A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F22B1/1892—Systems therefor not provided for in F22B1/1807 - F22B1/1861
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
    • B01J38/12—Treating with free oxygen-containing gas
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
    • C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
    • C10G11/185—Energy recovery from regenerator effluent gases
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
    • C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
    • C10G11/187—Controlling or regulating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
    • F02C6/10—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Abstract

<PICT:0986510/C4-C5/1> Energy is recovered from spent hot regenerator gases from a catalytic cracking unit from which gases catalyst has been removed by burning at their superatmospheric pressure in a high pressure steam boiler together with extra fuel and air after which the combustion gases from the boiler at a controlled temperature are expanded in at least one gas turbine/compressor unit, the compressor(s) of which supplies combustion air for the regenerator and the boiler. The temperature of gases entering the turbine is controlled to prevent damage to the blades which would occur if the temperature were too high and maintain the output of the turbines which would drop if the temperature were too low. Spent gases from regnerator 1 are passed through a cyclone 5 or other separator and then into a combustion section 8 of steam boiler 7 together with air from line 12 and a fuel/air mixture in burner 13. Steam is produced in section 9 at about 50 atmospheres and can be expanded to the normal 18 atmospheres in gas turbine/compressor units supplying gases to the cracking unit. The temperature of the gases is adjusted before leaving the boiler in section 10 by adding heat by burning fuel in burner 18 or cooling by adding water from spray 19 automatically controlled by controllers 23 responsive to the temperature in line 20. Turbine/compressor 31/32 provides air for the regenerator 1; the amount is automatically controlled by adjustment of excess flowing through valve 43 which is passed to line 46 together with the output of turbine/compressor 29/30 to supply air for the boiler. Heat is recovered in heat exchanger 37 which preheats the water feed to the boiler. Pressure in the regenerator is controlled by control of valve 50 or valve 48.
GB28971/63A 1962-07-24 1963-07-22 Method and apparatus for the recovery of energy from the spent gases of a catalytic cracking unit Expired GB986510A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL281309 1962-07-24

Publications (1)

Publication Number Publication Date
GB986510A true GB986510A (en) 1965-03-17

Family

ID=19754001

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28971/63A Expired GB986510A (en) 1962-07-24 1963-07-22 Method and apparatus for the recovery of energy from the spent gases of a catalytic cracking unit

Country Status (3)

Country Link
US (1) US3247129A (en)
GB (1) GB986510A (en)
NL (1) NL281309A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208384A (en) * 1979-01-05 1980-06-17 Phillips Petroleum Company Energy recovery, sour gas stripping and caustic neutralization using combustion gases containing solids
US4253300A (en) * 1979-08-03 1981-03-03 General Electric Company Supplementary fired combined cycle power plants
US4392346A (en) * 1980-07-22 1983-07-12 Uop Inc. Cogeneration process using augmented Brayton cycle
US4353811A (en) * 1980-12-08 1982-10-12 Uop Inc. Power recovery process using recuperative heat exchange
US4439687A (en) * 1982-07-09 1984-03-27 Uop Inc. Generator synchronization in power recovery units
US4431529A (en) * 1982-09-30 1984-02-14 Uop Inc. Power recovery in gas concentration units
US4904372A (en) * 1988-11-18 1990-02-27 Stone & Webster Engineering Corporation Process and apparatus for recovering heat energy from catalyst regenerator flue gases
US5114682A (en) * 1988-11-18 1992-05-19 Stone & Webster Engineering Corporation Apparatus for recovering heat energy from catalyst regenerator flue gases
DE19621824C2 (en) * 1996-05-31 1998-03-12 Ghh Borsig Turbomaschinen Gmbh Process for regulating gas pressures when using gas expansion turbines
US8888992B2 (en) * 2005-08-09 2014-11-18 Uop Llc Process and apparatus for improving flow properties of crude petroleum
US7622033B1 (en) 2006-07-12 2009-11-24 Uop Llc Residual oil coking scheme

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2167655A (en) * 1936-01-12 1939-08-01 Houdry Process Corp Promotion of chemical reactions
US2307672A (en) * 1938-10-01 1943-01-05 Socony Vacuum Oil Co Inc Fume disposal in catalyst regeneration systems
US2310244A (en) * 1939-10-13 1943-02-09 Houdry Process Corp Control of cyclic operations
US2339846A (en) * 1940-09-06 1944-01-25 Texas Co Method of and apparatus for the catalytic conversion of hydrocarbons
US2613500A (en) * 1945-06-22 1952-10-14 Lysholm Alf Gas turbine power plant having means for joint control of the fuel and the air supply
US2853455A (en) * 1952-09-09 1958-09-23 Sinclair Refining Co Method of temperature control in fluid catalyst regenerator units
US3104227A (en) * 1959-10-20 1963-09-17 Kellogg M W Co Method for supplying regeneration gas to a regeneration zone
US3137133A (en) * 1964-01-17 1964-06-16 Shell Oil Co Combustion with fluidization and after-burning

Also Published As

Publication number Publication date
US3247129A (en) 1966-04-19
NL281309A (en)

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