US3835796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust smoke purifying apparatus for incinerators
Assignee: Individual
•
Filing: 1973-12-13
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Granted: 1974-09-17
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Expires: 1993-12-13
Abstract
Abstract An exhaust gas cleaner for incinerators comprising a horizontal purifying duct horizontally extending from an incinerating furnace and provided with internal spray nozzles for spraying water in the direction of flow of the exhaust smoke, a vertical duct and provided with internal spray nozzles for upwardly spraying water and also internal spray nozzles for downwardly spraying water, the top portion of the vertical cleaner duct being provided with a baffle purifier, and a drain tank provided below the vertical purifying duct.
Inventors
- 👤 Y Sanga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:15
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; Y; Y10; Y10S; Y10S261/00; Y10S261/09; Y10S261/54
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
150 words
An exhaust smoke purifying apparatus for incinerators comprising; a horizontal cooling and purifying duct horizontally extending from an incinerating furnace and provided with one or more internal spray nozzle spraying water in the direction of the flow of the exhaust smoke; a vertical purifying duct vertically branching from said horizontal cooling and purifying duct at the down-stream end thereof, the upper portion of said vertical purifying duct extending upwardly from the lower portion of the vertical purifying duct and being reduced in inner diameter with respect to the horizontal cooling and purifying duct and the vertical purifying duct being provided with at least one internal spray nozzle upwardly spraying water and at least one internal spray nozzle downwardly spraying water; a top duct provided on top of said vertical purifying duct and having an internal baffle purifier means; and a purifying and draining tank provided below said vertical purifying duct.
Claim 2
Dependent Claim
150 words
An exhaust smoke purifying apparatus for incinerators comprising; a horizontal cooling and purifying duct horizontally extending from an incinerating furnace and provided with one or more internal spray nozzle spraying water in the direction of the flow of the exhaust smoke; a vertical purifying duct vertically branching from said horizontal cooling and purifying duct at the down-stream end thereof, the upper portion of said vertical purifying duct extending upwardly from the lower portion of the vertical purifying duct and being reduced in inner diameter with respect to the horizontal cooling and purifying duct and the vertical purifying duct being provided with at least one internal spray nozzle upwardly spraying water and at least one internal spray nozzle downwardly spraying water; a top duct provided on top of said vertical purifying duct and having an internal baffle purifier means; and a purifying and draining tank provided below said vertical purifying duct.
Claim 3
Dependent Claim
32 words
The exhaust gas purifying apparatus according to claim 1, therein said baffle purifier means provided in the top duct has a conical or pyramiddal double-wall structure and is filled with cool water.
Claim 4
Dependent Claim
52 words
The exhaust gas purifying apparatus according to claim 1, wherein the water surface in said purifying and draining tank is held at a constant level and spaced a constant distance from the lower end of said vertical purifying duct and purifying water is sprayed from above said tank toward the water surface.
Claim 5
Dependent Claim
40 words
The exhaust gas purifying apParatus according to claim 1, wherein the lower end of said vertical purifying duct is located within water in said purifying and draining tank, the water surface in said tank being held at a constant level.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |