Torpedo ladle cone ring refractory brick

Abstract

The utility model provides a torpedo ladle conical ring refractory brick which is sequentially provided with a torpedo ladle steel shell, a nanometer heat insulation plate, a pyrophyllite brick, an aluminum silicon carbide coating material and a high-temperature-resistant conical ring aluminum silicon carbide refractory brick body from outside to inside, and the high-temperature-resistant conical ring aluminum silicon carbide refractory brick body internally comprises a conical ring aluminum silicon carbide refractory brick body. And high-temperature-resistant fine-particle corundum castable is arranged at the bonding positions of the high-temperature-resistant conical ring aluminum silicon carbide refractory bricks. The torpedo ladle conical ring refractory brick can play roles in protecting a permanent layer, ensuring safe use of refractory materials, prolonging the service life of the refractory materials, reducing the accident rate and not influencing the normal iron-steel interface procedure connection efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lining body, more specifically, relate to a torpedo tank cone ring firebrick. BACKGROUND

[0002] In the production process, the transport equipment used more in steel plant is torpedo tank car as the container for transporting molten iron, the main raw material of torpedo tank lining is refractory material, and the torpedo tank firebrick plays a role in protecting and supporting the turnover of torpedo tank. In the operation process, the cone ring refractory brick may be locally damaged, causing the permanent layer of refractory material to be exposed, resulting in accidents. In the later use process, accidents may occur, affecting the normal iron and steel interface process connection efficiency, causing production organization difficulties, and affecting normal production. This problem is quite tricky, and a material is urgently needed to improve the current situation.

[0003] The closest technology currently used in steel plants is torpedo tank lining technology. Lining technology can be widely used in high-temperature hot spot parts of torpedo tank column ring body and is a means to prolong the life of the furnace. Different parts of the tank body use different methods of refractory material, and the success of the masonry technology is crucial.

[0004] The utility model can protect the permanent layer, ensure the safe use of refractory material, improve the service life of refractory material, reduce the accident rate, and not affect the normal iron and steel interface process connection efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the technical problems in the background art, and provides a torpedo tank cone ring firebrick.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a torpedo tank cone ring firebrick, the cone ring firebrick is sequentially provided with a torpedo tank steel shell, a nano heat insulation plate, a pyrophyllite brick, an aluminum carbide silicon daubing material, and a high-temperature-resistant cone ring aluminum carbide silicon firebrick from outside to inside, the high-temperature-resistant cone ring aluminum carbide silicon firebrick contains a cone ring aluminum carbide silicon firebrick, and high-temperature-resistant fine particle corundum castable is arranged at the masonry position of the high-temperature-resistant cone ring aluminum carbide silicon firebrick.

[0007] Further preferred scheme: the torpedo tank steel shell is in a circular arc conical structure, and the thickness is 30 mm.

[0008] Further preferred scheme: the high-temperature-resistant cone ring aluminum carbide silicon firebrick is made of a cone ring aluminum carbide silicon firebrick, the length of the cone ring aluminum carbide silicon firebrick is 345 mm, the width is 75 mm, and the thickness is 100 mm.

[0009] Further preferred scheme: the diameter of the fine particles of the high-temperature-resistant fine particle corundum castable is 0-3 mm.

[0010] Further preferred: the aluminum silicon carbide coating is made of high alumina.

[0011] Further preferred: the shape of the pyrophyllite brick is wedge-shaped.

[0012] Further preferred: the nano thermal insulation plate is square planar structure, with a thickness of 8mm, and is made of nano silicate.

[0013] Beneficial effects:

[0014] 1. By setting the high-temperature-resistant fine particle corundum castable, the high-temperature-resistant fine particle corundum castable has the same material as the aluminum silicon carbide, and the content of alumina is higher than that of the refractory brick, which can be sintered together with the conical ring aluminum silicon carbide brick to form an integral whole, thereby improving the resistance of the interface of the repaired working layer to thermal vibration and prolonging the service life of the torpedo tank.

[0015] 2. By setting the conical ring aluminum silicon carbide refractory brick, the high-temperature-resistant fine particle corundum castable is filled into the conical ring aluminum silicon carbide refractory brick to form a high-temperature-resistant conical ring aluminum silicon carbide refractory brick, which directly contacts with high-temperature molten iron and has high refractoriness.

[0016] 3. By setting the nano thermal insulation plate, the nano thermal insulation plate is arranged on the inner side of the torpedo tank steel shell, thereby providing good heat resistance for the torpedo tank steel shell and effectively protecting the torpedo tank.

[0017] 4. In summary, the conical ring refractory brick of the torpedo tank is provided with high-temperature-resistant fine particle corundum castable, conical ring aluminum silicon carbide refractory brick and other structures, which can protect the permanent layer, ensure the safe use of refractory materials, prolong the service life of refractory materials, reduce the accident rate and not affect the normal iron-steel interface process connection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 3 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 1-3 MIDDLE: 1- conical ring aluminum silicon carbide refractory brick, 2- high-temperature-resistant conical ring aluminum silicon carbide refractory brick, 3- high-temperature-resistant fine particle corundum castable, 4- aluminum silicon carbide coating, 5- pyrophyllite brick, 6- nano thermal insulation plate, 7- torpedo tank steel shell. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Figure 1-Figure 3 The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0023] Please refer to Figure 1-3 In the embodiments of the utility model, the torpedo tank conical ring refractory brick is provided with, from outside to inside, a torpedo tank steel shell 7, a nano heat insulation plate 6, a pyrophyllite brick 5, an aluminum carbide silicon coating material 4 and a high-temperature-resistant conical ring aluminum carbide silicon refractory brick 2. The high-temperature-resistant conical ring aluminum carbide silicon refractory brick 2 contains a conical ring aluminum carbide silicon refractory brick 1, and the bonding part of the high-temperature-resistant conical ring aluminum carbide silicon refractory brick 2 is provided with a high-temperature-resistant fine particle corundum castable 3.

[0024] In the embodiments of the utility model, the torpedo tank steel shell 7 is in a circular arc conical structure and has a thickness of 30 mm.

[0025] In the embodiments of the utility model, the high-temperature-resistant conical ring aluminum carbide silicon refractory brick 2 is made of the conical ring aluminum carbide silicon refractory brick 1, the conical ring aluminum carbide silicon refractory brick 1 has a length of 345 mm, a width of 75 mm and a thickness of 100 mm. The high-temperature-resistant conical ring aluminum carbide silicon refractory brick 2 directly contacts high-temperature molten iron and has high fire resistance.

[0026] In the embodiments of the utility model, the fine particles of the high-temperature-resistant fine particle corundum castable 3 have a diameter of 0-3 mm, can fill into the gap eroded to the permanent layer, are sintered together with the conical ring aluminum carbide silicon brick 1 and form an integral whole.

[0027] In the embodiments of the utility model, the aluminum carbide silicon coating material 4 is made of high-aluminum material, and the high-aluminum material has the characteristics of high-temperature resistance, high strength and significant energy-saving effect.

[0028] In the embodiments of the utility model, the pyrophyllite brick 5 is in a wedge shape, and the wedge shape has the characteristics of simple design, good strength and stability.

[0029] In the embodiments of the utility model, the nano heat insulation plate 6 is in a square planar structure, has a thickness of 8 mm and is made of nano silicate, and the nano silicate has the characteristics of improving the strength, durability and crack resistance of the nano heat insulation plate 6.

[0030] Working principle: first, the aluminum silicon carbide paste 4, talc brick 5, nano heat insulation plate 6, high temperature resistant cone ring aluminum silicon carbide refractory brick 2 from inside to outside gradually built, then use the fine iron wire to clean up the slag in the radiation straight up gap, and the fine iron wire is 500 millimeter in length, 4 millimeter in diameter, and the head has 10 millimeter right angle bend, rotate the torpedo tank mouth downward, completely pour out the residue, the second step uses the water bucket to stir the high temperature resistant fine particle corundum castable 3 with particle size less than 3 millimeter, the viscosity is appropriate, the high temperature resistant fine particle corundum castable 3 fills the gap, inserts and tamps tightly, then uses the corundum material to continue spreading along the gap surface, spreads a certain thickness, after the appropriate curing time, fully compacts and has strength, then turns the tank, checks whether the high temperature resistant fine particle corundum castable 3 has abnormality, confirms no error, starts the online baking, reaches the strength requirement.

Claims

1. A torpedo tank cone ring refractory brick, characterized by: The cone ring refractory bricks are sequentially provided with a torpedo tank steel shell (7), a nano heat insulation board (6), a pyrophyllite brick (5), an aluminum silicon carbide coating (4), and a high-temperature resistant cone ring aluminum silicon carbide refractory brick (2) from the outside to the inside. The high-temperature resistant cone ring aluminum silicon carbide refractory brick (2) contains a cone ring aluminum silicon carbide refractory brick (1). The joints of the high-temperature resistant cone ring aluminum silicon carbide refractory brick (2) are all provided with a high-temperature resistant fine-grained corundum castable (3).

2. The torpedo tank cone ring refractory brick according to claim 1, characterized in that: The torpedo tank steel shell (7) is an arc-conical structure with a thickness of 30 mm.

3. The torpedo tank cone ring refractory brick according to claim 1, characterized in that: The high temperature resistant cone ring aluminum silicon carbide refractory brick (2) is made of a cone ring aluminum silicon carbide refractory brick (1), and the cone ring aluminum silicon carbide refractory brick (1) is 345 mm long, 75 mm wide and 100 mm thick.

4. The torpedo tank cone ring refractory brick according to claim 1, characterized in that: The fine particle diameter of the high temperature resistant fine particle corundum castable (3) is 0 to 3 mm.

5. The torpedo tank cone ring refractory brick according to claim 1, characterized in that: The aluminum silicon carbide coating material (4) is made of high aluminum.

6. The torpedo tank cone ring refractory brick according to claim 1, characterized in that: The pyrophyllite brick (5) is wedge-shaped.

7. The torpedo tank cone ring refractory brick according to claim 1, characterized in that: The nano heat insulation board (6) is a square planar structure with a thickness of 8 mm and is made of nano silicate.

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