US3786767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incinerator type environmental control system
Assignee: PORTER ELBERT
•
Filing: 1972-04-05
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Granted: 1974-01-22
•
Expires: 1992-04-05
Abstract
Abstract A relatively small and compact system for cleaning and purifying products of combustion resulting from incineration of waste materials including smoke and particles suspended therein as well as gases produced thereby wherein all of the products of combustion are forced from a first burning chamber into a balanced flow system including a second burning chamber having a burner flame completely enveloping the input thereto for incinerating the smoke, etc. to a substantially clean, hot exhaust gas. The extremely hot exhaust gases are fed into a temperature reduction labyrinth having several direction changes while maintaining the constant volumetric flow therethrough and finally through a scrubbing stage including a water bath, a series of water sprays and an output baffle while still maintaining the constant volumetric flow for completely removing any other products remaining in the exhaust gases thereby reducing air pollution to substantially a zero level.
Inventors
- 👤 W Schwartz
- 👤 B Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:09
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/08; F23G5/14; F23J; F23J15/00; F23J15/02; F23J15/04
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
196 words
An after burner for use in combination with an incinerator having an exit port through which the smoke and gases are exhausted from the incinerator in which the after burner comprises an antechamber adapted to receive substantially all of the smoke and exhaust gases from the exit port; burner means including a relatively small burner chamber coupled to said antechamber, means for generating a flame within said burner chamber, said burner chamber being dimensioned to pass through said antechamber, a plurality of intake openings through the burner chamber walls in the region defined by said antechamber for allowing all of said smoke and exhaust gases present in said antechamber to pass therethrough into said burner chamber, whereby said smoke and exhaust gases are forced into the flame by forced draft, temperature reduction means comprised of a plurality of passageways coupled to said burner chamber for receiving the exhaust from said burner chamber and reducing the temperature thereof as by a series of directional flow changes, an exit flue communicating with the output of said temperature reduction means, and means for maintaining a substantially constant volumetric gas flow from said first burner chamber to said exit flue.
Claim 2
Dependent Claim
196 words
An after burner for use in combination with an incinerator having an exit port through which the smoke and gases are exhausted from the incinerator in which the after burner comprises an antechamber adapted to receive substantially all of the smoke and exhaust gases from the exit port; burner means including a relatively small burner chamber coupled to said antechamber, means for generating a flame within said burner chamber, said burner chamber being dimensioned to pass through said antechamber, a plurality of intake openings through the burner chamber walls in the region defined by said antechamber for allowing all of said smoke and exhaust gases present in said antechamber to pass therethrough into said burner chamber, whereby said smoke and exhaust gases are forced into the flame by forced draft, temperature reduction means comprised of a plurality of passageways coupled to said burner chamber for receiving the exhaust from said burner chamber and reducing the temperature thereof as by a series of directional flow changes, an exit flue communicating with the output of said temperature reduction means, and means for maintaining a substantially constant volumetric gas flow from said first burner chamber to said exit flue.
Claim 3
Dependent Claim
36 words
An after burner as claimed in claim 1 wherein the burner chamber comprises an elongated hollow member adapted to channel said flame interiorally thereof, and wherein said plurality of openings additionally include an inwardly directed tab.
Claim 4
Dependent Claim
17 words
An after burner as claimed in claim 2 wherein the elongated member is of a tubular configuration.
Claim 5
Dependent Claim
26 words
An after burner as claimed in claim 3 wherein said plurality of openings are substantially rectangular openings and wherein said inwardly directed tabs are substantially rectangular.
Claim 6
Dependent Claim
41 words
An after burner as claimed in claim 4 where said tubular configuration is substantially circular in cross section and additionally including a nozzle attached to the output end of said member for producing a vortex flow of the exhaust gases therefrom.
Claim 7
Dependent Claim
24 words
An after burner as claimed in claim 1 wherein said plurality of passageways of said temperature reduction means are of substantially rectangular cross section.
Claim 8
Dependent Claim
49 words
An after burner as claimed in claim 1 in which the burner chamber comprises a generally horizontally disposed tubular member, and includes a nozzle connected to the end of the tubular member, said nozzle having a plurality of radially extending vanes for producing a vortex of the exhaust therefrom.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |