Two stage heat exchanger Generally the two stage plate heat exchanger composed by two paragraphs with one middle plate inside. (see picture as below) The first stage cooling with city water, the second stage cooling with ...
How beer is made? Today, let us talk about how beer is made.. Most people probably know there are four main ingredients in beer: the water, malt, hops and yeast. All of them contribute their own part in the beer. The firs...