Abstract: A cooling element for shaft furnace walls including a metallic plate body with interior coolant-carrying tubes. The lower edge of the plate body includes a holding nose for refractory brickwork. The nose has at least one additional cooling tube. The cooling element according to the present invention may be assembled completely outside the furnace in a shop. The refractory brickwork consists of small bricks which are adhered or cemented to the plate body in concentric ring sections. The refractory bricks are advantageously provided with predetermined breaking notches and the layers of brick of the brickwork are provided with expansion joints. It is possible to use bricks with different thermal conductivities for the refractory brickwork.

Abstract: A method of producing a hearth stave cooler including a cooling pipe cast therein for cooling furnace walls of a blast furnace or the like and having refractory bricks on the working side of the stave cooler, wherein one of the upper and lower surfaces of each refractory brick to be brought into contact with molten iron is covered with a heat-insulating buffer material, the other surface is covered with metal wool, and the back of each refractory brick is preferably covered with the heat-insulating buffer material or the metal wool and then the molten iron is cast.

Abstract: A coolable furnace wall structure has a steel shell and a refractory lining of the shell. Spaced apart openings through the shell, correspond with recesses in the lining which have a transverse width which increases away from the shell. In each opening and corresponding recess is an assembly of at least to hollow cooling plates which are removably connected to the shell. A first one of the cooling plates has a transverse width which does not increase away from the shell opening whereby that cooling plate can be removed first from the assembly through the opening and at least one other cooling plate of the assembly has a maximum transverse width which permits its removal through the opening after removal of the first plate.

Abstract: The cooling plate 1 comprises a cast iron element having substantially the shape of a parallelepiped, embedded longitudinally extending tubes 3; 103 disposed vertically and parallel to one another and extending out of said element on a first side 2b; 102b of said element, and a protective sleeve 4a, 4b surrounding portions of said tubes extending out of said element. A second side of said element opposed to said first side has a waffle shape formed by rows of bosses 8; 108 evenly spaced apart transversely of said element. The bosses of a row define projecting surfaces 9; 109 comprising substantially aligned portions of a cylinder, said cylinders having axes substantially coinciding with axes of said tubes 3.

Abstract: A cast steel stave cooler comprising a carbon steel cooling pipe having a roughened surface and having a coating thereon, and a cast steel embedding the cooling pipe therein. The cast steel contains 10 to 25% Cr and has a very reduced liquid-solid zone so as to prevent fusion of the cooling pipe during the casting. The cooling pipe is provided with fins which are integratedly welded to the cast steel.

Abstract: A cooling box is divided into cooling chambers, and each of the cooling chambers is communicated with a water pipe, so that each of the water supplies is independent. If a front part of the cooling box were lost by melting due to wearing of bricks in the furnace, cooling by the rear part of the cooling box would be available. Therefore, it is no longer necessary to substitute a new cooling box for an old one, since the cooling box by the invention could go with until the last period of the furnace and damages could be avoided of the furnace bricks in vicinity of the cooling box, which is caused inevitably by substituting a new cooling box for the old one.

Abstract: The cooling arrangement comprises spaced apart cooling tubes arranged in a frame and interconnected with metallic tie plates. For decreasing thermal stresses without loss of strength throughout the structure, each tie plate is tangentially welded with its edge portions to the adjacent cooling tubes on both the shell and the furnace sides thereof. Each tie plate may be tangentially welded to one adjacent cooling tube and to the other it may be welded on the portion of its surface defined by an arc between tangents to this arc from the location where the tie plate is tangentially welded. The cooling tubes and the tie plates may be provided with fins and, the tie plates and the fins and as well as the walls of the frame have expansion clearances or slots. The frame is filled with a refractory material serving to protect the whole cooling arrangement.

Abstract: A cooling plate for insertion into the lining of a blast furnace or the like wherein the plate is adapted to have a chamber with cooling water channels for the passage of cooling water therethrough and having a unique baffle means for dividing the flow of water to increase the velocity of flow and avoid stagnant zones.

Abstract: The plate comprises a cast iron element of substantially parallelepipedic shape. Cooling tubes which are disposed parallel to one another, embedded in the element and extend longitudinally of the element, issue from the latter on the same main side, respectively in the upper and lower parts of the element, in a protective sleeve. The side of the element opposed to the main side from which the cooling tube issue has a waffle shape.

Abstract: The invention relates to heat exchange devices for cooling the wall and the refractory of a blast-furnace. Such a device comprises a body shaped substantially as a body of revolution and having first and second end walls and a curved wall extending therebetween, the first end wall being a heat-transfer wall, a supply port and a discharge port for heat-transfer fluid, the ports being spaced-apart radially, the supply port being adapted for tangentially supplying the heat-transfer fluid into the body and the discharge port being adapted for tangentially discharging the heat-transfer fluid from the body, so that, in use, the fluid flows between the ports in a spiral path over the inner surface of the first end wall, the body having no internal obstacle to such flow. (FIG.

Abstract: An improved arrangement for securing a plate-type cooler in metallurgical furnaces is disclosed. The cooler comprises a cast body including embedded cooling pipes provided with protective tubes which are run into the cooler body and secured to the outlets of the cooling pipes. At a first level, at least one of the protective tubes is designed as a fixed support and the other tubes at the same level are designed as horizontally displaceable supports to allow for a thermal expansion. At a vertically opposite level, at least one of the protective tubes is designed as a vertically displaceable support and the other tubes extending at the same level are designed as movable supports.

Abstract: The device permits the fixing of a stave plate to the armour shell of the blast furnace by means of a washer and a cup-shaped ring which are welded externally both to the shell and to protecting sleeves for inner water circulating tubes which are extended to outside the shell.The sealing is achieved by the interposition under compression of a preformed flexible apertured rectangular joint element and a preformed circular joint element of silicone elastomer or like plastics material, between the shell and the stave plate with adhesion on the bearing faces. It is completed by an injected mass and an annular joint element between the water circulating tubes and the corresponding protecting sleeves.The device is completed by the provision of packing products respectively between the inner wall of the shell and the stave plates and in gaps between two adjacent stave plates.

Abstract: A cooling element for use in metallurgical furnaces, such as blast furnaces, and a method of making the same. The cooling element is composed of a cast-steel body having a surface which in use faces the interior of the respective furnace and which is provided with elements of refractory material. Embedded in the cast-steel body are steel tubes through which cooling medium is to be circulated when the element is in use. Embedded between the respective tubes are heat-absorbing members which are preferably of the same or an analogous material as the cast-steel body itself and which have the purpose of absorbing the temperature differential between the liquidous point of the steel melt and the superheated temperature at which the melt is cast.

Abstract: A cooling means for a furnace, particularly a blast furnace, is mounted to the furnace by means of a bellows, the rear end of which is attached to a collar surrounding one or more of the conduits for cooling water and the front end of which is adapted for attachment to the furnace shell or a member rigid therewith. In this way the cooling element is firmly and sealingly mounted in the furnace shell, the bellows allowing movement of the element with respect to the shell caused by settling of refractory material in which the cooling element is located.

Abstract: A cooling device for use with a refractory lining in a smelting plant, such as a blast furnace and particularly a shaft furnace, includes an inner refractory lining, an outer steel jacket, and a plate member located between them. Preferably, the plate member is cast and anchoring members are cast into each plate member and extend only from the plate member surface facing toward the steel jacket. The anchoring member secures the steel jacket and plate members together and also holds them in spaced relation. Various embodiments of anchoring members can be used. In one embodiment a blind bore is provided within the anchoring member and a thermocouple extends into the blind bore from the steel jacket for measuring the operating temperature of the plate member.

Abstract: The refractory lining of a shaft furnace is cooled by means of a cooling box, which extends into the lining through the furnace shell, having a pair of separately fed coolant flow paths formed therein. A first coolant circuit extends along the side walls of the cooling box and through the nose portion thereof while the second coolant circuit has a first portion which extends along the side walls adjacent the first circuit and a second portion which is disposed toward the center of the cooling box with respect to both the first cooling circuit and the first portion of the second cooling circuit.

Abstract: A furnace cooling wall construction including a cooling plate built into the wall disposed transversely with one or more heat pipes enclosed in the plate and extending between a cooling chamber in the plate and adjacent the inner end of the plate with cooling water circulated to the chamber for circulation by the heat pipe.

Abstract: Cooling element for a metallurgical furnace having steel tubes for conveying a cooling medium and a refractory lining which is anchored to the front surface of the cast iron body on the furnace side thereof in recesses which run parallel to the wide side of the cooling element. The recesses have a cross-section which widens out starting from the front surface of the cast iron body towards the inside of the cooling element and the refractory lining is inserted into the recess.