EP0313669A4 - Ejector apparatus of fluidized bed heat-treating furnace - Google Patents

Ejector apparatus of fluidized bed heat-treating furnace

Info

Publication number
EP0313669A4
EP0313669A4 EP19880904262 EP88904262A EP0313669A4 EP 0313669 A4 EP0313669 A4 EP 0313669A4 EP 19880904262 EP19880904262 EP 19880904262 EP 88904262 A EP88904262 A EP 88904262A EP 0313669 A4 EP0313669 A4 EP 0313669A4
Authority
EP
European Patent Office
Prior art keywords
fluidized bed
bed heat
treating furnace
ejector apparatus
ejector
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.)
Granted
Application number
EP19880904262
Other versions
EP0313669A1 (en
EP0313669B1 (en
Inventor
Hisashi Hattori
Hidemitsu Takenoshita
Yoichiro Hanada
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Publication of EP0313669A1 publication Critical patent/EP0313669A1/en
Publication of EP0313669A4 publication Critical patent/EP0313669A4/en
Application granted granted Critical
Publication of EP0313669B1 publication Critical patent/EP0313669B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46—Arrangements of nozzles
    • F04F5/467—Arrangements of nozzles with a plurality of nozzles arranged in series
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/53—Heating in fluidised beds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • F04F5/20—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
    • F04F5/22—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating of multi-stage type
    • 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
    • F27B15/10—Arrangements of air or gas supply devices
    • 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
    • F27B15/18—Arrangements of controlling devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Jet Pumps And Other Pumps (AREA)
EP88904262A 1987-05-12 1988-05-12 Ejector apparatus of fluidized bed heat-treating furnace Expired - Lifetime EP0313669B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11353387 1987-05-12
JP113533/87 1987-05-12

Publications (3)

Publication Number Publication Date
EP0313669A1 EP0313669A1 (en) 1989-05-03
EP0313669A4 true EP0313669A4 (en) 1990-09-05
EP0313669B1 EP0313669B1 (en) 1993-10-20

Family

ID=14614733

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88904262A Expired - Lifetime EP0313669B1 (en) 1987-05-12 1988-05-12 Ejector apparatus of fluidized bed heat-treating furnace

Country Status (3)

Country Link
EP (1) EP0313669B1 (en)
DE (1) DE3885057T2 (en)
WO (1) WO1988008884A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112443518A (en) * 2020-11-23 2021-03-05 中国航天空气动力技术研究院 Supersonic air ejector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2023268A (en) * 1978-04-08 1979-12-28 Worsley & Co Ltd G P Fluidized bed furnaces
GB2030689A (en) * 1978-08-04 1980-04-10 Energy Equip Method and means for controlling the operation of fluidised bed combustion apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6154199U (en) * 1984-09-13 1986-04-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2023268A (en) * 1978-04-08 1979-12-28 Worsley & Co Ltd G P Fluidized bed furnaces
GB2030689A (en) * 1978-08-04 1980-04-10 Energy Equip Method and means for controlling the operation of fluidised bed combustion apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8808884A1 *

Also Published As

Publication number Publication date
WO1988008884A1 (en) 1988-11-17
EP0313669A1 (en) 1989-05-03
DE3885057T2 (en) 1994-05-05
DE3885057D1 (en) 1993-11-25
EP0313669B1 (en) 1993-10-20

Similar Documents

Publication Publication Date Title
ZA8890B (en) Tuyere of blast furnace
GR3002477T3 (en) Fluidized bed process
GB2199397B (en) Multiple hearth apparatus and process for thermal treatment of carbonaceous materials
ZA851397B (en) Process and apparatus for control of the heat transfer produced in a fluidized bed
GB2209587B (en) Method and apparatus for discharging and cooling of hot ash
GR3001978T3 (en) Fluidized bed process and apparatus
AU2348188A (en) Improved fluidized bed process and apparatus
GB2211121B (en) Bodies of refractory material
EP0313871A3 (en) Process and device for the thermal treatment of fines
DE3166348D1 (en) Fluidized bed furnace
EP0320282A3 (en) Fluidized-bed reaction apparatus and a fluidizing bed apparatus and a fluidizing bed reaction process using the same
EP0313669A4 (en) Ejector apparatus of fluidized bed heat-treating furnace
GB8722354D0 (en) Metallurgical furnace
GB2213030B (en) An apparatus for continuous direct-resistance heating of long-length articles
EP0279169A3 (en) Heat treatment device for fines
CS285388A3 (en) Apparatus for solid-fuel fluidized bed burning
HUT48560A (en) Process for reduction of metonin-sulphoxid groups
EP0308542A3 (en) Process and apparatus for the rapid rehydration of legumes and the like
GB8629055D0 (en) Fluidised bed furnaces
HUT55130A (en) Furnace of fluidized bed
GB8703799D0 (en) Refractory lined bodies
JPS6431936A (en) Operation of convection-box-shaped annealing furnace
CS960887A1 (en) 3-amine-4-hydroxy-/n-phenyl/-benzensulphamide and process for preparing thereof
PL278938A1 (en) Fluidized bed apparatus
ZA88790B (en) Fluidised bed furnaces with solids recirculation

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19890203

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE GB

A4 Supplementary search report drawn up and despatched

Effective date: 19900718

AK Designated contracting states

Kind code of ref document: A4

Designated state(s): DE GB

17Q First examination report despatched

Effective date: 19910927

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE GB

REF Corresponds to:

Ref document number: 3885057

Country of ref document: DE

Date of ref document: 19931125

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19940512

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19940512

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19950201