Fixed-matrix regenerator system

Modern blast furnaces (Figure 6.5.10) have a volume of 5000 and produce 10 000 tonnes of Fe per day. A fixed-matrix regenerator system with periodic flow -a so-called Cowper stove, named after Edward A. Cowper (see box) - is used to preheat the blast air up to 1300 °C. The furnace is supplied with a constant flow of hot... 

Another group of heat exchangers are non-stationary operated thermal regenerators in which heat is stored and released alternately by a heat storage matrix, for example, two fixed beds, a rotary regenerator, or systems with a circulating solid (Figure 3.3.4). 

Figure 3.3.4 Thermal regenerators (a) fixed bed, (b) rotary regenerator, and (c) system with circulating solid (1) hot gas, (2) cold gas, (3) storage matrix, (4) regenerator, (5) reactor, (6) fuel, (7) air, (8) charge, and (9) medium for transport. Adapted from Broetz and Schoenbucher (1982).

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