Exhaust gas scrubber for internal combustion engines

Patent · Tue Nov 17 04:00:00 EST 1981

OSTI ID:5945695

Coyle, C F

An exhaust gas scrubber includes a closed tank partially filled with a pool of water and a core assembly within the tank. The assembly includes a vertical cylindrical mixing tube open at its opposite ends and extending above and below water level, an upwardly opening cylindrical deflector cup at the bottom of the tank with its opening concentrically spaced within the lower end of the mixing tube, and a downwardly opening cylindrical deflector hood concentrically receiving the upper end of the mixing tube. Exhaust gases are introduced into the tank through a gas inlet tube, which extends downwardly concentrically through the deflector hood and mixing tube to discharge the gases through its open lower end into the cup. The gases are deflected upwardly into an annular mixing and expansion chamber within the mixing tube through an annular gas orifice defined by an upper side wall of the cup and lower side wall of the inlet tube. As the gases enter the mixing chamber, they aspirate water droplets through an annular water orifice surrounding the gas orifice. The water droplets and gases intermix as they rise through the mixing chamber. The mixture further expands as it is expelled from its upper end, and is then deflected downwardly by the hood toward the pool of water. The water droplets return to the pool, while the lighter, expanded, cleansed and cooled gases are expelled from the tank through a gas exhaust tube. The scrubber as described can be used in either a make-up type water tank or a batch-type tank, both of which are disclosed and characterized by a tall narrow water pool surrounding the core.

• Assignee: Paccar Inc
• Patent Number(s): US 4300924
• OSTI ID: 5945695
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
012000* -- Coal
Lignite
& Peat-- Mining
42 ENGINEERING
424000 -- Engineering-- Pollution Control Equipment-- (1980-1989)
AIR POLLUTION CONTROL
COAL MINES
CONTROL
COOLING
DESIGN
ENGINES
EQUIPMENT
EXHAUST GASES
FLUIDS
GASEOUS WASTES
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MINES
MINING
MINING EQUIPMENT
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT
SCRUBBERS
SCRUBBING
UNDERGROUND MINING
VAPORS
WASTES
WATER VAPOR