CA2032652A1 - Industrial furnace with improved heat transfer - Google Patents

Industrial furnace with improved heat transfer

Info

Publication number
CA2032652A1
CA2032652A1 CA 2032652 CA2032652A CA2032652A1 CA 2032652 A1 CA2032652 A1 CA 2032652A1 CA 2032652 CA2032652 CA 2032652 CA 2032652 A CA2032652 A CA 2032652A CA 2032652 A1 CA2032652 A1 CA 2032652A1
Authority
CA
Canada
Prior art keywords
furnace
heat transfer
chamber
fan
orificing
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
CA 2032652
Other languages
French (fr)
Other versions
CA2032652C (en
Inventor
Max Hoetzl
Thomas M. Lingle
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.)
Surface Combustion Corp
Original Assignee
Surface Combustion Corp
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
Priority claimed from US07/572,679 external-priority patent/US5074782A/en
Application filed by Surface Combustion Corp filed Critical Surface Combustion Corp
Priority to CA002171027A priority Critical patent/CA2171027C/en
Publication of CA2032652A1 publication Critical patent/CA2032652A1/en
Application granted granted Critical
Publication of CA2032652C publication Critical patent/CA2032652C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Furnace Details (AREA)
  • Incineration Of Waste (AREA)

Abstract

An improved industrial furnace employing a new and unique heat transfer arrangement is disclosed. The furnace is a closed end cylindrical chamber with a circular, concentrically positioned plate dividing one side of the furnace into a fan chamber containing a fan and the other side of the furnace into a heat treat chamber containing the work.
The plate has a central under-pressure opening and its outer circular edge is spaced from the cylindrical wall to define an annular space which is non-orificing. Fan rotation in the fan chamber produces an annulus of wind mass swirling at high circumferential speed which axially travels through the non-orificing space towards the closed end of the heat treat chamber at slow speed. Heating elements extend through the non-orificing space into the heat transfer chamber and are constantly impinged by the swirling annulus wind mass to effect good heat transfer therewith. The under-pressure opening causes the heated wind to contact the work before it is drawn into the under-pressure opening for recirculation.
An incineration track is provided in the furnace insulation for incinerating the furnace flue products while also heating the wind mass.
CA 2032652 1990-08-27 1990-12-19 Industrial furnace with improved heat transfer Expired - Lifetime CA2032652C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002171027A CA2171027C (en) 1990-08-27 1990-12-19 Industrial furnace with improved heat transfer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/572,679 US5074782A (en) 1989-10-23 1990-08-27 Industrial furnace with improved heat transfer
US572,679 1990-08-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002171027A Division CA2171027C (en) 1990-08-27 1990-12-19 Industrial furnace with improved heat transfer

Publications (2)

Publication Number Publication Date
CA2032652A1 true CA2032652A1 (en) 1992-02-28
CA2032652C CA2032652C (en) 2000-02-22

Family

ID=24288881

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2032652 Expired - Lifetime CA2032652C (en) 1990-08-27 1990-12-19 Industrial furnace with improved heat transfer

Country Status (1)

Country Link
CA (1) CA2032652C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5556593A (en) * 1993-12-14 1996-09-17 Grenier; Mario Method and apparatus for heat treating metal parts

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104315840B (en) * 2014-10-20 2016-05-25 浙江宇辰工业炉有限公司 A kind of energy-conservation atmosphere batch-type furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5556593A (en) * 1993-12-14 1996-09-17 Grenier; Mario Method and apparatus for heat treating metal parts

Also Published As

Publication number Publication date
CA2032652C (en) 2000-02-22

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry