Classifications

• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
  • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
  • C10J3/46—Gasification of granular or pulverulent flues in suspension
  • C10J3/54—Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
  • C10J3/56—Apparatus; Plants
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
  • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
  • C10J3/72—Other features
  • C10J3/723—Controlling or regulating the gasification process
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
  • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
  • C10J3/72—Other features
  • C10J3/726—Start-up
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
  • C10J2200/00—Details of gasification apparatus
  • C10J2200/15—Details of feeding means
  • C10J2200/152—Nozzles or lances for introducing gas, liquids or suspensions
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
  • C10J2200/00—Details of gasification apparatus
  • C10J2200/36—Moving parts inside the gasification reactor not otherwise provided for
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
  • C10J2300/00—Details of gasification processes
  • C10J2300/12—Heating the gasifier
  • C10J2300/1223—Heating the gasifier by burners

Definitions

• the invention is directed to a method for heating a high-temperature Winkler carburetor when starting the carburetor with the use of at least one burner serving the heating, wherein the cyclone head associated with cyclone return line of the particles deposited in the cyclone in the fluidized bed in the lower region of the carburetor as well as on a suitably equipped high-temperature Winkler carburetor.
• the system carburetor / cyclone / return line In order to operate such a carburetor, the system carburetor / cyclone / return line must first be heated. In this case, the refractory masonry is brought to the permissible temperature gradient corresponding operating temperature, wherein the introduced into the masonry heat storage is used to bring a fluidized bed material to the temperature necessary for the ignition process. From a system operated in practice, it is known to use for heating, for example, three identical gas burners with a power of 0.7 MW, which are mounted in the lower part of the carburetor for heating. It is necessary to mount the gas burner at standstill of the carburetor and dismantle after completion of the heating before the actual start of the carburetor again, the necessary carburetor nozzles must be closed before starting.
• a particular disadvantage of this procedure is that the finished heated carburetor can not be ignited immediately, so that during the dismantling of the burner, for example, at least one hour lasting. ert, considerable heat losses occur.
• the people involved in the dismantling are exposed to a corresponding heat, so that protective equipment for the people are necessary.
• carburetor diameters of 3.5 to 4 m with a carburetor height of about 30 m are necessary.
• Such a carburetor would require at least four AufMapbrenner, these theoretically necessary four Auffilbrenner would have to be installed in the cone of the carburetor, but such a requirement is not enforceable in practice.
• EP 0 500 517 A1 describes a method for starting up a plant for the production of pig iron, wherein there the plant parts are also preheated.
• the object of the present invention is to provide a procedure which simplifies the heating of a high-temperature Winkler carburetor (HTW) and makes it substantially independent of the size of the carburettor.
• HMW Winkler carburetor
• this object is achieved according to the invention in that at least one installed in the head of the carburetor, is used in the carburetor interior downward burner, wherein a gas flow is generated by the return line of the cyclone in the reverse direction.
• a further refinement is that, in the case of substoichiometric operation of the burner in the lower region of the carburettor, required combustion air is additionally injected through different nozzle planes.
• a further embodiment of the invention is that in the supply line from the gasifier to Abscheidezyklon a flap is operated temperature-controlled, d .h.
• the supply line to the separation cyclone can be closed to allow a corresponding backward flow.
• the burner (s) provided in the head of the carburettor are reduced to a range of lower particle concentration.
• the burners are supplied with coolant for preventing particle melt phases, be it that the coolant is passed directly through the burner head or indirect cooling takes place.
• the invention also provides a high-temperature Winkler carburetor with a cyclone or Zentrifugalab- separator, which is assigned to the carburettor head and with a solids return line from the cyclone into the lower region of the carburetor, which is characterized in that at least one burner acting in the carburetor head is provided in the carburetor head.
• the invention provides that a shut-off or throttle valve is provided in the connecting line between the carburetor head and the cyclone.
• the invention is not limited to a particular type of fuel.
• the burner (s) required for start-up may be operable with gaseous, liquid or solid fuels, such as natural gas, oil or corresponding carbonaceous powdered material, to name just a few examples.
• the generally designated 1 high-temperature carburetor is shown in simplified form in the single figure in section.
• the carburetor body made of refractory Masonry, designated 2 has in the lower conical region 2a on the necessary for the fluidized bed training facilities.
• a cyclone 3 is positioned, which is provided in operation via a controllable by a flap 4 supply 5, wherein the separated solid particles are fed back via a return line 6 of the lower fluidized bed in the region 2a of the carburetor.
• the high-temperature Winkler carburetor with at least one in the head, designated 2b, heating burner 7, this burner 7 via corresponding, not shown devices according to double arrow 8 is retracted into the carburetor and at least during normal operation as far as can be pulled out, that the burner nozzle is not subject to any contamination or additives.
• the hot combustion products are guided through the reactor according to the arrows 9. After reaching the necessary starting temperature, the gas flow is formed substantially opposite, which takes place when starting and opening the high temperature flap 4.
• air inlet nozzles are provided in the conical region 2a and in the transition region of the fluidized bed, these nozzles are designated 10.
• the arrow 11 indicates the fuel supply and the arrow 12 indicates the air supply.

Landscapes

• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Combustion & Propulsion (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Organic Chemistry (AREA)
• Fluidized-Bed Combustion And Resonant Combustion (AREA)
• Crucibles And Fluidized-Bed Furnaces (AREA)
• Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=49765470

Family Applications (1)

Country Status (10)

Families Citing this family (1)

Family Cites Families (24)

• 2012
  • 2012-12-12 DE DE102012112182.6A patent/DE102012112182A1/de not_active Withdrawn
• 2013
  • 2013-11-29 EP EP13805306.1A patent/EP2931850A1/de not_active Withdrawn
  • 2013-11-29 RU RU2015125173A patent/RU2015125173A/ru unknown
  • 2013-11-29 CA CA2894573A patent/CA2894573A1/en not_active Abandoned
  • 2013-11-29 AU AU2013357639A patent/AU2013357639A1/en not_active Abandoned
  • 2013-11-29 WO PCT/EP2013/075070 patent/WO2014090599A1/de active Application Filing
  • 2013-11-29 BR BR112015013735A patent/BR112015013735A2/pt not_active IP Right Cessation
  • 2013-11-29 CN CN201380072604.0A patent/CN104981535A/zh active Pending
  • 2013-11-29 US US14/652,003 patent/US20150322356A1/en not_active Abandoned
  • 2013-12-06 TW TW102144803A patent/TW201433633A/zh unknown

Non-Patent Citations (1)

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