Читать книгу Maxims and Instructions for the Boiler Room - N. Hawkins - Страница 6
MATERIALS.
ОглавлениеThe things with which the engineer has to deal in that place where steam is to be produced as an industrial agent, are
1. The Steam Generator.
2. Air.
3. Fuel.
4. Water.
5. Steam Appliances.
Starting with these points which form a part of every steam plant, however limited, however vast, the subject can easily be enlarged until it embraces a thousand varied divisions extending through all time and into every portion of the civilized world.
It is within the scope of this work to so present the subjects specified, that the student may classify and arrange the matter into truly scientific order.
MATERIALS.
In entering the steam department, where he is to be employed, the eye of the beginner is greeted with the sight of coal, water, oil, etc., and he is told of invisible materials, such as air, steam and gases; it is the proper manipulation of these seen and unseen material products as well as the machines, that is to become his life task. In aiding to the proper accomplishment of the yet untried problems nothing can be more useful than to know something of the nature and history of the different forms of matter entering into the business of steam production. Let us begin with