SE9403156L - Apparatus for feeding paste into a fluidized bed, method for dissolving a plug in a nozzle, and method for preventing penetration of material from a fluidized bed into a nozzle - Google Patents

Apparatus for feeding paste into a fluidized bed, method for dissolving a plug in a nozzle, and method for preventing penetration of material from a fluidized bed into a nozzle

Info

Publication number
SE9403156L
SE9403156L SE9403156A SE9403156A SE9403156L SE 9403156 L SE9403156 L SE 9403156L SE 9403156 A SE9403156 A SE 9403156A SE 9403156 A SE9403156 A SE 9403156A SE 9403156 L SE9403156 L SE 9403156L
Authority
SE
Sweden
Prior art keywords
nozzle
fluidized bed
paste
plug
pipe
Prior art date
Application number
SE9403156A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9403156D0 (en
SE503433C2 (en
Inventor
Lars Bodin
Jonas Hylen
Original Assignee
Abb Carbon Ab
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 Abb Carbon Ab filed Critical Abb Carbon Ab
Priority to SE9403156A priority Critical patent/SE503433C2/en
Publication of SE9403156D0 publication Critical patent/SE9403156D0/en
Priority to PCT/SE1995/001074 priority patent/WO1996009497A1/en
Publication of SE9403156L publication Critical patent/SE9403156L/en
Publication of SE503433C2 publication Critical patent/SE503433C2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/18—Charging particulate material using a fluid carrier
    • 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
    • B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/18—Details; Accessories
    • F23C10/22—Fuel feeders specially adapted for fluidised bed combustion apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F23D1/005—Burners for combustion of pulverulent fuel burning a mixture of pulverulent fuel delivered as a slurry, i.e. comprising a carrying liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B15/08—Arrangements of devices for charging

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Disintegrating Or Milling (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
  • Nozzles (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

A paste nozzle (15) for feeding a particulate material in the form of a paste (15a) into a fluidized bed (6) in a power plant, wherein the nozzle (15) comprises an air pipe (19) which is disposed inside the nozzle (15) and which directs a jet of splitting air (19a) against the orifice (18) of the nozzle (15) and a cleaning pipe (20) arranged outside the splitting air pipe (19) and coaxially therewith, said pipe (20) comprising a vortex generator (22) to achieve a cone (23) of a flowing medium (20a), preferably air or water, the cone (23) having such a top angle that it hits the inside of the nozzle (15), at the conical section (17) of the nozzle tapering towards the orifice, to thereby make possible disolution of a plug of hardened paste (20a), formed or initiated in the nozzle (15), or prevent bed material from penetrating into the nozzle (15).
SE9403156A 1994-09-21 1994-09-21 Apparatus for feeding paste into a fluidized bed, method for dissolving a plug in a nozzle, and method for preventing penetration of material from a fluidized bed into a nozzle SE503433C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9403156A SE503433C2 (en) 1994-09-21 1994-09-21 Apparatus for feeding paste into a fluidized bed, method for dissolving a plug in a nozzle, and method for preventing penetration of material from a fluidized bed into a nozzle
PCT/SE1995/001074 WO1996009497A1 (en) 1994-09-21 1995-09-21 A device for feeding paste into a fluidized bed, a method for dissolving or preventing plugs in a nozzle and a method for preventing material from a fluidized bed from penetrating into a nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9403156A SE503433C2 (en) 1994-09-21 1994-09-21 Apparatus for feeding paste into a fluidized bed, method for dissolving a plug in a nozzle, and method for preventing penetration of material from a fluidized bed into a nozzle

Publications (3)

Publication Number Publication Date
SE9403156D0 SE9403156D0 (en) 1994-09-21
SE9403156L true SE9403156L (en) 1996-03-22
SE503433C2 SE503433C2 (en) 1996-06-10

Family

ID=20395307

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403156A SE503433C2 (en) 1994-09-21 1994-09-21 Apparatus for feeding paste into a fluidized bed, method for dissolving a plug in a nozzle, and method for preventing penetration of material from a fluidized bed into a nozzle

Country Status (2)

Country Link
SE (1) SE503433C2 (en)
WO (1) WO1996009497A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI115998B (en) 2000-10-17 2005-08-31 Andritz Oy Device for feeding black liquor into a recovery boiler
FI120057B (en) 2007-07-13 2009-06-15 Andritz Oy Apparatus and method for cleaning and cooling a spray gun
CN105879784B (en) * 2015-01-20 2018-07-31 中石化洛阳工程有限公司 Oil inlet distributor pipe for wood tar boiling bed hydrogenation reactor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1544697A (en) * 1976-10-08 1979-04-25 Coal Ind Spray head
SE469145B (en) * 1991-09-27 1993-05-17 Abb Carbon Ab SEAT AND NOZZLE FOR SUPPLYING PASTABRAZLE TO A FLUIDIZED BED
SE470239B (en) * 1992-05-11 1993-12-13 Abb Carbon Ab Method of indicating the feed of fuel in paste form to a fluidized bed

Also Published As

Publication number Publication date
WO1996009497A1 (en) 1996-03-28
SE9403156D0 (en) 1994-09-21
SE503433C2 (en) 1996-06-10

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