| 摘要 |
Disclosed related to a co-generation according to the present invention comprising an electric generator, an engine, a waste heat recovery heat exchanger where the waste heat of the engine is recovered, a water boil heat exchanger connected with the waste heat recovery heat exchanger and the heat transfer path, a hot water storage tank connected with the water boil heat exchanger and the water circulation path, a water boil heat exchanger bypassing path formed at the water circulation path, a water boil heat exchanger bypassing valve installed at the water boil heat exchanger bypassing path. The co-generation of the present invention has some advantages in that the entire length of the exhaust pipe and the installing costs are reduced as the numbers of the long pipes are reduced compared with the case that the water boil heat exchanger and the water boil heat exchanger bypassing valve are installed at the outside of the engine unit as all of the electric generator, engine, the waste heat recovery heat exchanger, the water boil heat exchanger, the water heat exchanger bypassing path, and the water boil heat exchanger bypassing valve are installed at the engine unit.
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