事业 · 创业者自述
亨利·福特：我的生活与工作·补录 223
亨利·福特《我的生活与工作》· My Life and Work · 领导
Among the by-products of the coke ovens is a gas. It is piped both to the Rouge and Highland Park plants where it is used for heat-treat purposes, for the enamelling ovens, for the car ovens, and the like. We formerly had to buy this gas. The ammonium sulphate is used for fertilizer. The benzol is a motor fuel. The small sizes of coke, not suitable for the blast furnaces, are sold to the employees--delivered free into their homes at much less than the ordinary market price. The large-sized coke goes to the blast furnaces. There is no manual handling. We run the melted iron directly from the blast furnaces into great ladles. These ladles travel into the shops and the iron is poured directly into the moulds without another heating. We thus not only get a uniform quality of iron according to our own specifications and directly under our control, but we save a melting of pig iron and in fact cut out a whole process in manufacturing as well as making available all our own scrap.
出处：
https://www.gutenberg.org/ebooks/7213
定位：Additional excerpt 223 · 核对日期：2026-10-19 · 核验：短摘录
白话
福特说，焦炉的副产品中有一种气体，通过管道送到鲁日和高地公园工厂，用于热处理、搪瓷炉、汽车烘炉等。以前这种气体要买。硫酸铵用作肥料，苯是汽车燃料。不适合高炉的小块焦炭以远低于市价的价格卖给员工，免费送到家；大块焦炭送高炉。全程无需人工搬运：铁水从高炉直接流入大铁罐，运到车间直接浇入模具，无需再加热。这样不仅按自己的规格控制铁的质量，还省去熔化生铁，砍掉整个工序，并利用自己的废料。
上下文
福特描述其焦炉副产品利用和铁水直接浇铸的流程，展示垂直整合。
今日一问
你的生产流程中，有哪些副产品或废料可以变成收入？
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