Refractory brick prefabricated part

Abstract

The utility model discloses a refractory brick prefabricated part, which relates to the technical field of refractory material preparation and mainly comprises a castable prefabricated part, a structural rib and a reinforcing rib, and the structural rib and the reinforcing rib are both arranged in the castable prefabricated part and used for supporting; wherein the structural ribs are connected with a plurality of reinforcing ribs in different directions. The structural ribs and the reinforcing ribs are arranged in the castable prefabricated part for supporting, and the structural ribs are connected with the reinforcing ribs in different directions, so that the overall high-temperature strength of the product can be improved, the collapse resistance of the periphery of the through hole of the product is improved, the whole product is not prone to falling off, safety is achieved, and the service life is long; therefore, the service life of the whole furnace lining refractory material is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of refractory material preparation technology, particularly to a refractory brick preform. BACKGROUND

[0002] High temperature smelting kiln has wide application in the field of steel, non-ferrous metallurgy and refining, and auxiliary burners are often needed to improve the smelting temperature in the furnace or to stir the furnace by blowing gas into it. In order to achieve the above purpose, suitable materials need to be set on the refractory lining of the kiln roof structure, and the lance is inserted into the furnace to assist smelting when the hole is opened during smelting, and the hole is covered to ensure the temperature and smelting atmosphere in the furnace when smelting is completed.

[0003] At present, the refractory bricks are generally used to realize the masonry of the structure, but the processing of the refractory bricks with special structures is difficult, and the assembled refractory bricks are prone to damage, affecting the overall service life of the refractory material. Meanwhile, there is also a method of pouring on-site formwork, but the construction is complicated in the smelting site, and the manufacturing and maintenance process needs time, affecting the overall masonry efficiency. The high-temperature castable without internal support is prone to spalling, and the overall structure is prone to collapse under high temperature, affecting the smelting in the furnace and easily causing safety hazards.

[0004] Therefore, the refractory brick preform is provided to solve the above problems in the prior art. SUMMARY

[0005] The utility model aims at providing a refractory brick preform to solve the above problems in the prior art, improve the overall high-temperature strength, and improve the anti-collapse ability.

[0006] To achieve the above purpose, the utility model provides the following scheme:

[0007] The utility model provides a refractory brick preform, which comprises a castable preform, a structural rib and a reinforcing rib, the structural rib and the reinforcing rib are arranged in the castable preform and are used for supporting, and a plurality of reinforcing ribs are connected to the structural rib in different directions.

[0008] Preferably, the structural rib is a reversed U-shaped rib, the top of the reversed U-shaped rib extends out of the castable preform to form a hoisting part.

[0009] Preferably, arc-shaped raised parts are arranged on both sides of the open end of the reversed U-shaped rib.

[0010] Preferably, the structural rib is a heat-resistant steel rib with a diameter of 15-20 mm.

[0011] Preferably, a plurality of reinforcing ribs are arranged on the middle part of the structural rib in the vertical direction and the horizontal direction, and the plurality of reinforcing ribs are uniformly and spacedly distributed.

[0012] Preferably, the reinforcing rib is a threaded stainless steel bar with a diameter of 8-12mm, and the reinforcing rib is welded to the structural reinforcement.

[0013] Preferably, it also includes a support plate, which is arranged around the hoisting part, and the outer side of the support plate is connected to the castable precast component.

[0014] Preferably, the support plate comprises two rectangular plates arranged opposite each other, and the two ends of the two rectangular plates are connected by an arc plate.

[0015] Preferably, the castable precast component includes a first frustum portion and a second frustum portion arranged vertically, the width of the first frustum portion is greater than the width of the second frustum portion, and each edge of the first frustum portion and the second frustum portion is chamfered.

[0016] Preferably, the castable preform is formed by casting the castable in a mold, and the castable is corundum spinel castable.

[0017] The present invention achieves the following technical advantages over the prior art:

[0018] In this invention, structural ribs and reinforcing ribs are provided inside the precast castable for support. The structural ribs are connected to multiple reinforcing ribs in different directions, which can improve the overall high-temperature strength of the product, improve the anti-collapse ability around the through holes, make the whole product less likely to fall off, and ensure safety and long service life, thereby effectively extending the service life of the overall furnace lining refractory material. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a cross-sectional view of the refractory brick prefabrication component in an embodiment of this utility model;

[0021] Figure 2 This is a top view of the refractory brick prefabrication component in an embodiment of this utility model;

[0022] Figure 3 for Figure 1 Enlarged diagram of point A in the middle.

[0023] In the diagram: 1-Precast castable component, 2-Structural reinforcement, 3-Strengthening reinforcement, 4-Support plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] The utility model discloses a firebrick prefabricated part to solve the prior art problems, can improve the overall high temperature strength, improve the anti collapse ability.

[0026] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, easy to understand, the utility model will be further detailed below with reference to the drawings and specific embodiments.

[0027] Embodiment one

[0028] As Figures 1-3 The utility model discloses a firebrick prefabricated part, including castable prefabricated part 1, structural rib 2 and reinforcing rib 3, structural rib 2 and reinforcing rib 3 all are arranged in castable prefabricated part 1, are used to support, wherein structural rib 2 is connected with multiple reinforcing rib 3 in different directions.

[0029] In the embodiment, structural rib 2 and reinforcing rib 3 are arranged in castable prefabricated part 1 to support, and structural rib 2 is connected with multiple reinforcing rib 3 in different directions, which can improve the overall high temperature strength of the product, improve the anti collapse ability around the through hole of the product, and the whole is not easy to fall, safe and long in service life, thereby effectively prolonging the service life of the overall furnace lining refractory material.

[0030] In the embodiment, the structural rib 2 is preferably a reverse U-shaped rib, the top of the reverse U-shaped rib extends out of the castable prefabricated part 1, forming a lifting part, which can be directly lifted by hooks or ropes, facilitating construction and installation.

[0031] In the embodiment, the opening end of the reverse U-shaped rib is provided with an arc-shaped raised portion on both sides, which can more easily combine with the castable material tightly, so that the overall structural strength of the firebrick prefabricated part is high.

[0032] In the embodiment, the structural rib 2 is preferably a heat-resistant steel bar, and the material is stainless steel with a diameter of 15-20 mm.

[0033] In the embodiment, as Figure 1As shown, the middle part of the structural rib 2 is provided with a plurality of reinforcing ribs 3 in the vertical direction and the horizontal direction, and the plurality of reinforcing ribs 3 are uniformly distributed, thereby improving the supporting effect; it should be noted that the vertical direction and the horizontal direction refer to the vertical direction and the horizontal direction after the refractory brick prefabricated part is laid horizontally.

[0034] In this embodiment, the reinforcing rib 3 is preferably a threaded stainless steel bar, the diameter of the reinforcing rib 3 is 8-12mm, and the reinforcing rib 3 is welded to the structural rib 2.

[0035] In this embodiment, a support plate 4 is further included, the support plate 4 is arranged around the lifting part, and the outer side of the support plate 4 is connected to the castable prefabricated part 1, thereby playing a certain supporting role.

[0036] In this embodiment, as shown in Figure 2 The support plate 4 mainly includes two oppositely arranged rectangular plates, and the two ends of the two rectangular plates are connected by an arc-shaped plate (which can be a semicircular plate), forming a cylindrical structure, and the lifting part at the top of the inverted U-shaped rib is located in the through hole of the cylindrical structure, thereby facilitating lifting. Preferably, the support plate 4 is a stainless steel plate with a thickness greater than 10mm.

[0037] In this embodiment, the castable prefabricated part 1 includes a first circular truncated cone part and a second circular truncated cone part arranged in an up-down manner, the width of the first circular truncated cone part is greater than the width of the second circular truncated cone part, and as shown in Figure 3 The edges of the first circular truncated cone part and the second circular truncated cone part are chamfered, thereby facilitating demolding. A semispherical groove is formed at the top of the first circular truncated cone part, and the lifting part at the top of the inverted U-shaped rib is located in the groove.

[0038] In this embodiment, the castable prefabricated part 1 is formed by castable in a mold, the castable is cement and micro-powder combined with corundum spinel castable, which can wrap the structural rib 2 and the reinforcing rib 3, and be attached to the support plate 4 during the casting process.

[0039] The preparation process of the refractory brick prefabricated part in this embodiment is as follows:

[0040] The structural rib 2 and the reinforcing rib 3 are welded together and placed in a pre-assembled mold, the above-mentioned steel rib and the support plate 4 are fixed in the mold by spot welding, the castable is poured into the mold and vibrated to form the required shape structure, the castable is demolded and dried after hardening, and the structural rib 2 and the support plate 4 are disassembled from the whole mold, thereby obtaining the whole refractory brick prefabricated part.

[0041] The castable is cast and placed for more than 24 hours to demould, is kept for more than 3 days to dry, and is forced to dry for more than 3 days to ensure the overall strength.

[0042] The principle and implementation mode of the utility model are described by applying specific examples in the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A firebrick preform, characterized by: The castable prefabricated part, a structural rib and reinforcing ribs, the structural rib and the reinforcing ribs are arranged in the castable prefabricated part for supporting, wherein the structural rib is connected with a plurality of reinforcing ribs in different directions.

2. The firebrick preform of claim 1, wherein: The structural rib is an inverted U-shaped rib, the top of the inverted U-shaped rib extends out of the castable prefabricated part to form a hoisting part.

3. The firebrick preform of claim 2, wherein: Arc-shaped raised parts are arranged on both sides of the open end of the inverted U-shaped rib.

4. A firebrick preform according to claim 2 or 3, characterised in that: The structural rib is a heat-resistant steel rib, and the diameter is 15-20 mm.

5. A firebrick preform according to claim 2 or 3, characterised in that: A plurality of reinforcing ribs are arranged in the vertical direction and the horizontal direction of the middle part of the structural rib, and the plurality of reinforcing ribs are uniformly distributed.

6. The firebrick preform of claim 5, wherein: The reinforcing rib is a threaded stainless steel rib, the diameter of the reinforcing rib is 8-12 mm, and the reinforcing rib is welded to the structural rib.

7. A firebrick preform according to claim 2 or 3, characterised in that: A support plate is further included, the support plate is arranged around the hoisting part, and the outer side of the support plate is connected with the castable prefabricated part.

8. The firebrick preform of claim 7, wherein: The support plate includes two oppositely arranged rectangular plates, and the two ends of the two rectangular plates are connected by arc-shaped plates.

9. The firebrick preform of claim 1, wherein: The castable prefabricated part includes a first circular table part and a second circular table part arranged in a top-down manner, the width of the first circular table part is greater than the width of the second circular table part, and chamfers are arranged at the edge intersections of the first circular table part and the second circular table part.

10. The firebrick preform of claim 1, wherein: The castable prefabricated part is formed by castable in a mold, and the castable is corundum spinel castable.

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