![](/assets/images/picto-drapeau-france-3a76576a5d60a512053b4612ab58dae5.png)
2. Cowper technology
The cowper consists of an active refractory lining surrounded by insulation, all contained in a pressure-resistant metal or sheet metal enclosure.
A burner heats the stack, and a set of valves allows you to switch from one phase to another in the operating cycle without ever cutting off the wind to the blast furnace.
2.1 Refractories
Three types of refractory are used:
silico-aluminous and aluminous ;
Silica;
dense products.
The first writings on wind reheating date from around 1800. The promoter was an Englishman, James B. Nelson, a gasworks...
Exclusive to subscribers. 97% yet to be discovered!
You do not have access to this resource.
Click here to request your free trial access!
Already subscribed? Log in!
![](/assets/images/logo-eti-286623ed91fa802ce039246e516e5852.png)
The Ultimate Scientific and Technical Reference
This article is included in
Metal manufacturing processes and recycling
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Cowper technology