← Back to Patent Explorer
US3357375A Expired / Lapsed US ⏱️ 0.0 years remaining

Incineration of industrial waste, and apparatus

Assignee: Prenco Manufacturing Co
•
Filing: 1965-08-17
•
Granted: 1967-12-12
•
Expires: 1985-08-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Brophy John Warren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 14:27
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/008; Y; Y02; Y02W; Y02W10/00; Y02W10/40; Y10; Y10S; Y10S588/00; Y10S588/90

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 205 words
THE PROCESS OF PYRO-DECOMPOSING A FLUID WASTE MATERIAL TO CONVERT THE SAME INTO A GASEOUS FULLY DECOMPOSED REACTION PRODUCT, WHICH COMPRISES COMPLETELY DISPERSING WITH PRIMARY AIR, INTO THE BASE OF A VERTICAL CYLINDRICAL ELONGATED SPACE DEFINED IN PART BY REFRACTORY WALLS, THE AXIAL LENGTH OF WHICH SPACE HAS A 5-TO-1 RATIO TO ITS DIAMETER, A FLUID WASTE MATERIAL INCLUDING A COMBUSTIBLE COMPONENT; INITIATING THE COMBUSTION OF THE COMBUSTIBLES OF THE AIR-BORNE DISPERSED FLUID WASTE MATERIAL UPON ITS ENTRY INTO SAID SPACE, THEREBY FORMING A BURNING AEROFORM STREAM; CONTROLLING THE COMBUSTION TO MAINTAIN A MAXIMUM TEMPERATURE WITHIN THE RANGE 2800-3000*F.; MAINTAINING THE AEROFORM CONTENTS OF THE ELONGATED SPACE AT A SUPERATMOSPHERIC PRESSURE CONSISTENT WITH A DESIRED RETENTION TIME FOR THE BURNING STREAM; SURROUNDING THE BURNING STREAM WITH A MANTLE OF SECONDARY AIR MOVING IN AN AXIAL DIRECTION ONLY AND IN THE SAME DIRECTION AS THAT OF AND COEXTENSIVELY WITH SAID STREAM THEREBY PROTECTING SAID REFRACTORY WALLS FROM WASTE MATERIAL IMPINGEMENT; AND COMPLETING THE PYRODECOMPOSITION BY MIXING THE SECONDARY AIR OF SAID MANTLE, IN THE UPPERMOST ZONE OF SAID SPACE, WITH SAID BRUNING STREAM WHEREBY TO DECOMPOSE SAID WASTE MATERIAL AND TO CONVERT THE SAME INTO A GASEOUS REACTION PRODUCT FREE FROM SMOKE, ODOR AND VISIBLE ASH.
Claim 2
Dependent Claim 205 words
THE PROCESS OF PYRO-DECOMPOSING A FLUID WASTE MATERIAL TO CONVERT THE SAME INTO A GASEOUS FULLY DECOMPOSED REACTION PRODUCT, WHICH COMPRISES COMPLETELY DISPERSING WITH PRIMARY AIR, INTO THE BASE OF A VERTICAL CYLINDRICAL ELONGATED SPACE DEFINED IN PART BY REFRACTORY WALLS, THE AXIAL LENGTH OF WHICH SPACE HAS A 5-TO-1 RATIO TO ITS DIAMETER, A FLUID WASTE MATERIAL INCLUDING A COMBUSTIBLE COMPONENT; INITIATING THE COMBUSTION OF THE COMBUSTIBLES OF THE AIR-BORNE DISPERSED FLUID WASTE MATERIAL UPON ITS ENTRY INTO SAID SPACE, THEREBY FORMING A BURNING AEROFORM STREAM; CONTROLLING THE COMBUSTION TO MAINTAIN A MAXIMUM TEMPERATURE WITHIN THE RANGE 2800-3000*F.; MAINTAINING THE AEROFORM CONTENTS OF THE ELONGATED SPACE AT A SUPERATMOSPHERIC PRESSURE CONSISTENT WITH A DESIRED RETENTION TIME FOR THE BURNING STREAM; SURROUNDING THE BURNING STREAM WITH A MANTLE OF SECONDARY AIR MOVING IN AN AXIAL DIRECTION ONLY AND IN THE SAME DIRECTION AS THAT OF AND COEXTENSIVELY WITH SAID STREAM THEREBY PROTECTING SAID REFRACTORY WALLS FROM WASTE MATERIAL IMPINGEMENT; AND COMPLETING THE PYRODECOMPOSITION BY MIXING THE SECONDARY AIR OF SAID MANTLE, IN THE UPPERMOST ZONE OF SAID SPACE, WITH SAID BRUNING STREAM WHEREBY TO DECOMPOSE SAID WASTE MATERIAL AND TO CONVERT THE SAME INTO A GASEOUS REACTION PRODUCT FREE FROM SMOKE, ODOR AND VISIBLE ASH.

References Cited (Backward Citations)

US1322756A Cited
US1847020A Cited
US1990787A Cited
US2242653A Cited
US2628609A Cited
US2648950A Cited
US2806517A Cited
US2726715A Cited
US2986206A Cited
US3195608A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-12-11 1971-06-12 1971-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-12-11 1975-06-12 1975-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-12-11 1979-06-12 1979-12-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag