Hot water supply system utilizing exhaust gas of engine

Details Hot water supply system utilizing exhaust gas of engine Hot water supply system utilizing exhaust gas of engine

1989-05-17

1990-05-15

Bennet, Henry A.

Heating systems

Heat and power plants

Vehicle

237 123R, B60H 102

Patent

active

049250922

ABSTRACT:
A latent heat recovery apparatus includes a vessel having a top opening forming an exhaust port and upper and lower chambers divided by a filler layer of a porous member. Feed water is supplied and showered to the upper chamber, and exhaust gas from a gas engine is introduced into the lower chamber to heat the feed water in direct contact with the feed water thereby to produce warm water by recovering the latent heat of the exhaust gas. The warm water produced and stored in the bottom section of the latent heat recovery apparatus is supplied to a cooling water heat exchanger to reheat by cooling water of the gas engine to produce hot water to be supplied to a user. When a burner is mounted in an exhaust pipe of the gas engine, or in the lower chamber of the latent heat recovery apparatus as an auxiliary heat source, the amount of heat of the exhaust gas can be adjusted independent of the engine speed of the gas engine by heating the exhaust gas in the exhaust pipe or in the lower chamber thereby to maintain the temperature of the hot water at a constant level.

REFERENCES:
patent: 4065055 (1977-12-01), DeCosimo
patent: 4606399 (1986-08-01), Zacuto
English Abstract of Japanese Laid-Open (Unexamined) Patent Publication No. 63-65252(A); Date: Mar. 23, 1988.

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