Electrically fused refractory brick insulation box

Abstract

The utility model belongs to the electrically fused refractory brick production equipment technical field discloses a kind of electrically fused refractory brick heat preservation box, including the top cover with pouring hole;Still include bottom plate and the rectangular shell with both ends being open;The top cover and bottom plate are respectively movably covered and buckled in the upper and lower ends of the rectangular shell;At least a pair of pull rod is respectively hinged on the two side walls opposite of the bottom plate;Pull rod is sleeved with hanging rod;Locking nut is above the hanging rod and is threadedly connected with the pull rod;The top cover is fixed with hook claw at the pull rod;The lower end of the hanging rod is in abutment with the top end of the hook claw;The top end of the pull rod is out of the locking nut and is bent to form hook portion.The utility model is divided into top cover, rectangular shell and bottom plate three components, convenient to disassemble, convenient to connect head-and-tail crane and other hoisting equipment, convenient to clean heat preservation sand.

Description

Technical Field

[0001] This utility model belongs to the technical field of electrofused refractory brick production equipment, and relates to an electrofused refractory brick insulation box. Background Technology

[0002] Electrofused refractory bricks are cast at temperatures as high as 1950–2450℃, but their cooling requires slow annealing to prevent defects such as cracking, resulting in a long cooling time. Typically, a sand mold for the brick is placed in an insulated box, with insulating sand filling the space between the mold and the box's inner wall, and then the brick is poured into the mold. After the brick cools, it is removed from the insulated box, and the insulating sand is recovered. For example, as shown in patent CN117183074, "Refractory Brick Unpacking System," the insulated box needs to be manually disassembled before the brick can be removed to clean the insulating sand. The problem is that traditional insulated boxes are inconvenient to disassemble and reassemble, resulting in low efficiency. Secondly, the box containing the insulating sand is heavy, making it very laborious to manually empty the sand. Even when using overhead cranes or other lifting equipment to tilt the box, the insulating sand still needs to be manually removed, which is time-consuming, labor-intensive, and physically demanding. Utility Model Content

[0003] To overcome the shortcomings of the prior art, this utility model provides an electrofused refractory brick insulation box, aiming to save manpower, reduce labor intensity, and improve efficiency. Based on this, firstly, the box assembly is designed to facilitate quick assembly and disassembly, so that the box can be quickly disassembled when the bricks are removed from the box, and the box does not need to be turned over when recycling the insulation sand; and the box assembly can be quickly assembled and closed when the sand mold is packed, improving the convenience of assembly and disassembly; secondly, the box assembly needs to have a hook part to facilitate connection with overhead cranes and other hoisting equipment, reducing labor intensity and improving efficiency.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an electric fused refractory brick insulation box, comprising a top cover with a pouring hole; a bottom plate and a rectangular shell with open top and bottom ends; the top cover and bottom plate are respectively movably fastened to the upper and lower ends of the rectangular shell; at least one pair of pull rods are respectively hinged to two opposite side walls of the bottom plate; a hanging rod is fitted on the pull rod; a locking nut is threadedly connected to the pull rod above the hanging rod; a hook is fixed on the top cover corresponding to the pull rod; the lower end of the hanging rod abuts against the top end of the hook; the top end of the pull rod extends out of the locking nut and is bent to form a hook portion.

[0005] As a further optimization, there are four tie rods, each corresponding to one of the four side walls of the base plate.

[0006] As a further optimization, the top surface of the hook is provided with a slot, and the lower end of the hanging rod is embedded in the slot.

[0007] As a further optimization, the base plate is provided with an upper folded edge that wraps around the outside of the rectangular shell, and the pull rod is hinged to the outer wall of the upper folded edge; the top cover is provided with a lower folded edge that wraps around the outside of the rectangular shell, and the hook is fixed to the outer wall of the lower folded edge.

[0008] As a further optimization, a handle rod is fixedly connected to the outer wall of the locking nut.

[0009] As a further optimization, the rectangular shell has a cavity in its side wall, and pipe joints are fixedly connected to its two opposite corners; the pipe joints are in communication with the cavity.

[0010] As a further optimization, the base plate is fixed with a rotating shaft, and the bushing fixed to the bottom end of the pull rod is fitted onto the rotating shaft for hinge connection between the pull rod and the base plate; the hook claw has a notch in the middle for the pull rod to pass through; the hanging rod has a through hole in the middle for fitting the pull rod.

[0011] Compared with the prior art, the advantages of this utility model are: this utility model is divided into three parts: top cover, rectangular shell and bottom plate, all of which can be disassembled. The assembled insulation box is sturdy and reliable, and is easy to connect to hoisting equipment such as overhead cranes; disassembly is quick and efficient, and it is easy to clean the insulation sand. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the assembled three-dimensional structure of an embodiment of the present invention;

[0013] Figure 2 This is a three-dimensional structural diagram of an embodiment of the present invention after disassembly;

[0014] Figure 3 This is a schematic diagram of the horizontal cross-section of the rectangular shell according to an embodiment of the present invention;

[0015] Figure 4 This is a structural schematic diagram of a vertical cross-section of an embodiment of the present invention.

[0016] The correspondence between the technical features in the figure and the reference numerals is as follows: top cover 1; pouring hole 11; hook 12; slot 13; bottom plate 2; rectangular shell 3; inner cavity 31; pipe joint 32; pull rod 4; hook part 41; hanging rod 5; locking nut 6; handle rod 61; sand mold 7; pouring cavity 71; insulating sand 8. Detailed Implementation

[0017] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some preferred embodiments of this utility model, and not all embodiments. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of this utility model, and are not intended to limit the protection scope of this utility model.

[0018] Example: Please refer to Figure 1-4 This utility model provides the following technical solution: an electric fused refractory brick insulation box, including a top cover 1 with a pouring hole 11; it also includes a bottom plate 2 and a rectangular shell 3 with open top and bottom ends; the top cover 1 and the bottom plate 2 are respectively movably fastened to the upper and lower ends of the rectangular shell 3; at least one pair of pull rods 4 are respectively hinged to two opposite side walls of the bottom plate 2; a hanging rod 5 is fitted on the pull rod 4; a locking nut 6 is threadedly connected to the pull rod 4 above the hanging rod 5; a hook 12 is fixed on the top cover 1 corresponding to the pull rod 4; the lower end of the hanging rod 5 abuts against the top end of the hook 12; the top end of the pull rod 4 extends out of the locking nut 6 and is bent to form a hook part 41.

[0019] The base plate 2 has a fixed pivot, and a bushing fixed to the bottom end of the pull rod 4 is fitted onto the pivot for hinged connection between the pull rod 4 and the base plate 2. The hook 12 has a notch in the middle for the pull rod 2 to pass through. The hanging rod 5 has a through hole in the middle for mounting the pull rod 2.

[0020] During assembly and use, first place the rectangular shell 3 on the base plate 2 and inject insulating sand into the bottom of the box. Then place the sand mold 7 on the insulating sand 8, with the sand mold 7 containing the refractory brick casting cavity 71; then inject insulating sand 8 between the sand mold 7 and the rectangular shell 3, and finally cover the rectangular shell 3 with the top cover 1. Then, pull up the pull rod 4 and screw the locking nut 6 onto the hook part 41, so that the hanging rod 5 can move upward until the hanging rod 5 can be hooked onto the upper end of the hook claw 12. Then screw the locking nut 6 downward until the hanging rod 5 presses against the hook claw 12, thereby connecting the rectangular shell 3, the top cover 1 and the base plate 2 into a whole. The entire box can be lifted by using an overhead crane to hook the hook part 41 and transferred to the casting position. When lifting the box, the thread of the locking nut 6 is not a load-bearing part, and the pull rod 4 is a weighing component. The pull rod 4 has a robust structure and strong load-bearing capacity, avoiding excessive stress on the threads and ensuring reliability during the lifting process. Finally, molten refractory bricks are injected into the sand mold 7 inside the insulation box through the pouring hole 11. A cap is placed on the pouring hole 11, and the insulation box is then transferred to the cooling area by an overhead crane to allow the bricks to cool slowly.

[0021] When removing the bricks, first screw the locking nut 6 onto the hook part 41 until the hanging rod 5 disengages from the top of the hook claw 12. Then flip the pull rod 4. At this point, the top cover 1 can be disassembled. The hook claw 12 of the top cover 1 can be used as a hook to connect to the overhead crane. Remove the top cover 1. Then, lift the rectangular shell 3 to separate it from the bottom plate 2. Since the rectangular shell 3 is open at the top and bottom, the insulating sand 8, bricks, and molding sand can fall off naturally from inside the rectangular shell 3, which is convenient and efficient. Even if some insulating sand 8 is attached to the inner wall of the rectangular shell 3, it can be cleaned with a steel rod or steel brush. After cleaning, the top cover 1, rectangular shell 3, and bottom plate 2 can all be reused.

[0022] To improve the locking reliability of the top cover 1, there are four pull rods 4, which correspond to the four side walls of the base plate 2 respectively.

[0023] To improve the reliability of locking, the top surface of the hook 12 is provided with a slot 13, and the lower end of the hanging rod 5 abuts against the slot 13. The contact area between the hanging rod 5 and the hook 12 is larger, making the locking more reliable and preventing the hanging rod 5 from falling off the hook 12 during hoisting.

[0024] To improve sealing, the bottom plate 2 is provided with an upper folded edge around the outside of the rectangular shell 3, and the pull rod 4 is hinged to the outer wall of the upper folded edge; the top cover 1 is provided with a lower folded edge around the outside of the rectangular shell 3, and the hook 12 is fixed to the outer wall of the lower folded edge.

[0025] To facilitate quick tightening of the locking nut 6, a handle 61 is fixedly connected to the outer wall of the locking nut 6. Preferably, there are two handles 61, symmetrically distributed on both sides of the locking nut 6, so that both hands can apply force simultaneously.

[0026] Preferably, the rectangular shell 3 has a cavity inside its side wall, and pipe joints 32 are fixedly connected to its two opposite corners; the pipe joints 32 communicate with the cavity. The pipe joints 32 can transport heat-conducting oil into the cavity. The advantages are: first, the heat-conducting oil can accelerate the heat dissipation of the insulation box after casting; second, the heat-conducting oil can preheat the insulation sand 8 and sand mold 7 before casting, avoiding excessive temperature difference during casting; third, the heat-conducting oil can absorb the heat of the brick, facilitating the recovery and reuse of waste heat; fourth, the two pipe joints 32 can also serve as hooks for connecting to an overhead crane, saving manpower. Based on this, the hooks of the top cover 1, the rectangular shell 3, and the bottom plate 2 are respectively hook claw 12, pipe joint 32, and hook part 41; all three components can be connected to an overhead crane for hoisting, avoiding manual handling, saving manpower, and improving efficiency.

[0027] The advantage of this embodiment is that the box is divided into three parts: top cover 1, rectangular shell 3 and bottom plate 2, all of which can be disassembled. The assembled insulation box is sturdy and reliable, and is easy to connect to hoisting equipment such as overhead cranes. Disassembly is quick and efficient, and it is easy to clean the insulation sand 8.

[0028] The parts of this utility model not described in detail are prior art; for those skilled in the art, the technical features of the above embodiments can be combined arbitrarily. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combination of these technical features does not contradict each other, it should be considered within the scope of this specification. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A heat-insulating box for electrofused refractory bricks, comprising a top cover (1) with a pouring hole (11); characterized in that: It also includes a base plate (2) and a rectangular shell (3) with open top and bottom ends; the top cover (1) and the base plate (2) are respectively movably fastened to the top and bottom ends of the rectangular shell (3); at least one pair of pull rods (4) are respectively hinged to the two opposite side walls of the base plate (2); a hanging rod (5) is fitted on the pull rod (4); a locking nut (6) is threadedly connected to the pull rod (4) above the hanging rod (5); a hook (12) is fixed on the top cover (1) corresponding to the pull rod (4); the lower end of the hanging rod (5) abuts against the top end of the hook (12); the top end of the pull rod (4) extends out of the locking nut (6) and is bent to form a hook part (41).

2. The electrofused refractory brick insulation box according to claim 1, characterized in that: There are four tie rods (4), which correspond to the four side walls of the base plate (2).

3. The electrofused refractory brick insulation box according to claim 1, characterized in that: The top surface of the hook (12) is provided with a slot (13), and the lower end of the hanging rod (5) is embedded in the slot (13).

4. The electrofused refractory brick insulation box according to claim 1, characterized in that: The base plate (2) has an upper folded edge around the outside of the rectangular shell (3), and the pull rod (4) is hinged to the outer wall of the upper folded edge; the top cover (1) has a lower folded edge around the outside of the rectangular shell (3), and the hook (12) is fixed to the outer wall of the lower folded edge.

5. The electrofused refractory brick insulation box according to claim 1, characterized in that: The locking nut (6) has a handle rod (61) fixedly connected to its outer wall.

6. The electrofused refractory brick insulation box according to claim 1, characterized in that: The rectangular shell (3) has a cavity in its side wall, and pipe joints (32) are fixedly connected to its two opposite corners; the pipe joints (32) are connected to the cavity.

7. The electrofused refractory brick insulation box according to claim 1, characterized in that: A rotating shaft is fixed to the side wall of the base plate (2), and a bushing fixed to the bottom end of the pull rod (4) is fitted onto the rotating shaft for hinge connection between the pull rod (4) and the base plate (2); a notch is provided in the middle of the hook (12) for the pull rod (4) to pass through; a through hole is provided in the middle of the hanging rod (5) for fitting the pull rod (4).

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