KR870006944A - Insulation layer - Google Patents

Abstract

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Description

Insulation layer

Since this is an open matter, no full text was included.

1 is a plan view of a trough groove covered with a heat insulation plate layer according to the present invention and suitable for conveying molten metal.

2 is a cross-sectional view taken along line 2-2 of FIG.

3 is a cross-sectional view taken along line 3-3 of FIG.

Claims (8)

Longitudinally opposed to the top and bottom surfaces, adjacent to the longitudinally opposed ends, supported vertically on its bottom surface to form an unsupported inner portion exposed between very high temperatures between the vertical supports. A monolithic fire resistant slab with ends, one or more reinforcing rods extending longitudinally through the fire resistant slab, extending approximately equal to the length of the fire resistant slab, and having ends opposite in the longitudinal direction to the top and bottom surfaces, Its bottom surface extends between the monolithic insulation layer supported in contact with the top surface of the fire resistant slab, between the longitudinally opposite ends of the insulation layer at the top of the insulation layer, thereby being supported on the insulation layer and thermally isolated from the fire resistant slab, A support device longitudinally supported on the supports acting on the refractory slab bottom surface, and a support device. Consisting of a fastening device connecting to the rod, wherein the vertically supported ends of the fireproof slab and the insulation layer support the ends of the support device such that the portion between the ends of the support device reinforces the unsupported inner part of the fireproof slab and Self-reinforced heat insulation layer, characterized in that it properly supports the refractory slabs and reinforcing rods that are not affected by high temperatures and are exposed to high temperatures. The heat insulation board layer of Claim 1 in which a heat insulation layer consists of a lightweight fire-resistant fiber insulation board. 3. The heat insulating layer according to claim 2, wherein the heat insulating layer is made of 30% high temperature refractory cement, 30% of 25 mesh SiO ₂ -c powder, 3.175 mm ( 3.175 mm (which may remain in the mesh screen) Inch) and a powder consisting of 40% of SiO ₂ -c particles having a particle size of 10 inches, the powder consisting of 84% of SiO ₂ , 15% of carbon, 1% of other elements, and the particles comprising 96% of SiO ₂ , 3% of carbon and Insulation plate layer, characterized in that composed of 1% other elements. 2. The support device of claim 1, wherein the support device is comprised of an angle steel having longitudinally opposed ends where the fire resistant slab and the thermal insulation layer terminate adjacent the longitudinal ends, wherein the angle steel has two angle steel edges facing the thermal insulation layer. The joints of the legs of the angle steel, which are supported above, are located on the insulation layer in an inverted V-shaped structure located above the bridge edges, and the angle steel is positioned so as to align vertically with the respective reinforcing rods in the fire resistant slab, each angle steel The through hole is formed in the connection portion of the angle steel legs, the binding device is a hanger having a lower end connected to the reinforcing rod and a threaded upper end penetrating the hole of the angle steel, and a threaded end of the hanger is fastened to the reinforcing rod Insulating plate layer, characterized in that consisting of a fastener that pulls freely toward the angle steel. A combination of longitudinal runway grooves having flowing molten metal, longitudinal foundations located on both sides of the runway grooves, and a layer of self-reinforced insulation plates that insulate the molten metal, above the foundations at their opposite ends. One or more reinforcing rods extending through the refractory slab in a direction perpendicular to the flow direction of the molten metal, in a generally rectangular unitary body which is supported to span the tumble groove and forms an unsupported portion between the foundations, A generally rectangular insulating and thermal insulation layer which extends the same length as the refractory slab and has a top surface and a bottom surface, the bottom surface being supported on the refractory slab to form a high temperature portion between the molten metal and the heat insulation layer and a cold portion on the heat insulation layer. It is located on the upper surface and spans between the foundations, which itself is supported by the insulation layer only on the cold side. It consists of a reinforcing device for simultaneously supporting an unsupported portion of the refractory slab that spans the tread groove between the foundations, and a binding device for connecting the reinforcing device in the cold section to the reinforcing rods in the hot section. Support portions of overlapping reinforcement devices so that portions of the reinforcement devices that span between the foundations can reinforce the fireproof slab portion that extends between the foundations, and the reinforcement devices in the cold sections are not affected by the high temperatures in the hot sections. And the reinforcement devices are adapted to support the reinforcement rods in the hot portion. 6. The combination according to claim 5, wherein the heat insulation layer is made of a lightweight fireproof fiber insulation board. The heat insulating layer according to claim 6, wherein the thermal insulation layer is made of 30% high temperature refractory cement, 30% of 25 mesh SiO ₂ -c powder, 3.175 mm ( 3.175 mm (particle size) that may remain on the screen Inches), a composition consisting of 40% SiO ₂ -c particles, the powder consisting of 84% SiO ₂ , 15% carbon, 1% other elements, the particles comprising 96% SiO ₂ , 3% carbon, 1% Combination, characterized in that consisting of the other elements of. 6. An angle steel as claimed in claim 5, wherein the reinforcing devices extend in the same length as the heat insulating layer in opposing contact with the upper surface of the heat insulating layer and are made of an angle steel arranged at right angles with each fire resistant slab reinforcing rod, the angle steel being an angle. The edges of the steel are inverted V-shape on the insulating layer with the edges of the steel in contact with the insulating layer, and the ends of the angle steel are located vertically above the trough groove bases so that the angle steel is spread over the tapping groove. Wherein the parts of the angle steel that span across support the unsupported part of the refractory slab. ※ Note: The disclosure is based on the initial application.