F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
25/102
F27D 1/16 (2006.01) C21B 7/06 (2006.01) F27D 1/00 (2006.01)
Patent
CA 1142739
-11- - A B S T R A C T - PROCESS FOR COATING THE INNER WALL OF A FURNACE OR LIKE APPARATUS. In this process, there is carried out first of all, through orifices (3) formed in the wall of the apparatus and by means of a suitable device, the injection of a first product (5) for filling in the vicinity of the inner face of this wall the porosities of the charge and forming a whole with this charge. After a suitable period of time which ensures that the afore- mentioned effect is achieved, there is injected a second product (7) which must form the permanent coating under sufficient pressure to be able to slip between the inner wall (2) and the first coat (5) previously formed by taking advantage of the compressibility of the charge. In this way it is possible to spread in a substantially uniform manner on the inner wall of the furnace a product which is capable of constituting the lining. This product is closely applied to the inner wall owing to the pressure of injection without this product contacting the charge of the furnace, the latter having preformed in the course of the operation the function of the necessary temporary form. Application in particular in blast-furnaces.
337397
Fetherstonhaugh & Co.
Union Siderurgique Du Nord Et de L'est de La France Par Abreviat
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