GB663744A - Improvements in furnaces for treating finely-divided solids - Google Patents

Improvements in furnaces for treating finely-divided solids

Info

Publication number
GB663744A
GB663744A GB13958/48A GB1395848A GB663744A GB 663744 A GB663744 A GB 663744A GB 13958/48 A GB13958/48 A GB 13958/48A GB 1395848 A GB1395848 A GB 1395848A GB 663744 A GB663744 A GB 663744A
Authority
GB
United Kingdom
Prior art keywords
apertures
bed
velocity
furnaces
streams
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
GB13958/48A
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.)
Dorr Co
Original Assignee
Dorr Co
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 Dorr Co filed Critical Dorr Co
Publication of GB663744A publication Critical patent/GB663744A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • B01J8/28—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations the one above the other

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)

Abstract

663,744. Furnaces. DORR CO. May 24, 1948 [June 25, 1947No. 13958/48. Class 51 (ii), In a furnace for treating finely. divided solid material in which a bed of the material is main. tained in a fluidized state by streams of gas flowing upwardly through apertures in a horizontal partition on which the bed is supported, the apertures are fitted with orificed throttle plates 121 which reduce the diameter of the streams of gas and are stated to prevent turbulence and the clogging of the apertures with solid deposits. The diameter of the orifice 122 is from one-fifth to one half that of the aperture, which is made larger than would be feasible if the throttleplates were not used. The velocity of flow through the aperture upstream of the plate may, accordingly, be reduced to below 30 feet per sec., i.e. below the velocity at which turbulence is likely to occur, the increase in velocity produced by flow through the orifice being sufficient to ensure fluidization of the bed. The furnace described is similar to that described in Specification 658,611 which is referred to.
GB13958/48A 1947-06-25 1948-05-24 Improvements in furnaces for treating finely-divided solids Expired GB663744A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US663744XA 1947-06-25 1947-06-25

Publications (1)

Publication Number Publication Date
GB663744A true GB663744A (en) 1951-12-27

Family

ID=22069103

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13958/48A Expired GB663744A (en) 1947-06-25 1948-05-24 Improvements in furnaces for treating finely-divided solids

Country Status (1)

Country Link
GB (1) GB663744A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2856059A1 (en) * 1978-12-23 1980-07-10 Rheinische Braunkohlenw Ag METHOD AND DEVICE FOR COOLING SOLID GASIFICATION RESIDUES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2856059A1 (en) * 1978-12-23 1980-07-10 Rheinische Braunkohlenw Ag METHOD AND DEVICE FOR COOLING SOLID GASIFICATION RESIDUES

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