Hydraulic charging bucket sealing device of submerged arc furnace

Abstract

The utility model discloses a hydraulic charging bucket sealing device for a submerged arc furnace, which comprises a charging bucket, a cover plate is rotatably mounted on the charging bucket, an n-shaped lifting lug is welded on the surface of the cover plate, the n-shaped lifting lug is connected with a connector, the connector is rotatably connected with a lifter, and the lifter controls the connector to move up and down to be connected with the n-shaped lifting lug. The lifter is rotationally connected with a hoisting mechanism, and the hoisting mechanism is used for hanging the lifter; after the hook head is connected with the n-shaped lifting lug in a hanging mode, the air cylinder controls the hook head to move upwards so that the cover plate can be opened, the cover plate can be actively opened and closed by controlling movement of the air cylinder and the connecting component, hooking and unhooking operation can be smoothly completed, and semi-automatic production can be achieved. A safe distance is reserved between the charging bucket cover plate and the charging bucket screen, it can be guaranteed that sufficient positions exist when the charging bucket is overfilled with discharging under the clamping and blocking conditions in the discharging process, lowering and sealing of the cover plate are not affected, and the fault rate of the discharging cover plate and smoke overflow are effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metal smelting, in particular to a submerged arc furnace hydraulic material tank sealing device. BACKGROUND

[0002] At present, the RKEF process is used for smelting nickel alloy in the submerged arc furnace, and high-temperature calcined sand produced by the rotary kiln is stored in the intermediate bin of the discharge port. The material tank is placed on the discharge trolley, and the discharge worker moves the trolley to the lower part of the intermediate bin through the remote controller to ensure that the tank opening is aligned with the sector-shaped flap valve of the discharge port of the intermediate bin, and then the high-temperature calcined sand is discharged into the tank, and then the tank is lifted to the high platform by the automatic feeding crane and added to the bin.

[0003] At present, the material tank used in the discharge port is completely open, and the high-temperature calcined sand often protrudes out of the tank opening during the discharging process. When the full material tank is waiting for the material lifting of the feeding crane or in the process of transfer, the tank opening has a large amount of smoke, which affects the environmental protection and the on-site operation environment. INVENTION CONTENTS

[0004] The utility model discloses a submerged arc furnace hydraulic material tank sealing device to solve the problems in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a submerged arc furnace hydraulic material tank sealing device, comprising a material tank, a cover plate is rotatably installed on the material tank, and an n-shaped lifting lug is welded on the surface of the cover plate.

[0006] The n-shaped lifting lug is connected with a connector, the connector is rotatably connected with a lifter, the lifter controls the up and down movement of the connector and is connected with the n-shaped lifting lug, the lifter is rotatably connected with a hoisting mechanism, the hoisting mechanism is used for suspending the lifter, the lifter hooks the n-shaped lifting lug through the connector and lifts up, so that the cover plate is opened, the lifter controls the downward movement of the connector, and the cover plate seals the baffle to block the overflow of smoke.

[0007] Further, the tank opening of the material tank is welded with a baffle, the baffle encloses a rectangle, the cover plate is rotatably connected with the baffle, and the baffle can block the leakage of the material in the material tank.

[0008] Further, the lifter is a pneumatic cylinder, the connector is a hook head, the hook head is connected with the pneumatic cylinder through a lead screw, the assembly is quick, and it is also convenient to replace the hook head of different sizes, the hoisting mechanism comprises a triangular structure and a base connected with the triangular structure, the base is rotatably connected with a connecting part, the connecting part is fixedly connected with the pneumatic cylinder, so that the pneumatic cylinder can swing, and the hook head is convenient to hang with the n-shaped lifting lug.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] (1) the hook head is hung after the n type lug, the cylinder controls the hook head to go up, can open the cover plate, through the control of the cylinder and the movement of the connecting part, can achieve the active opening and closing of the cover plate, and smoothly complete the hooking and unhooking operation, can realize the semi-automatic production; the safety distance is reserved between the material tank cover plate and the material tank screen, which can ensure that there is enough position when the unloading process is blocked, and does not affect the cover plate to be put down and sealed, effectively reduces the failure rate of the unloading cover plate and the overflow of the flue gas.

[0011] (2) the cylinder controls the hook head to move up and down to adjust the position, so that the hook head can match different cover plate height, realize the connection of the hook head and the n type lug, complete the cover plate opening and closing process, meet the needs of different specifications of the material tank opening. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the overall structure schematic view of the utility model;

[0013] Figure 2 It is the structure schematic view of the triangular structure and the cylinder connection of the utility model;

[0014] Figure 3 It is the structure schematic view of the n type lug and the cover plate connection of the utility model.

[0015] In the drawing: 1, triangular structure; 2, base; 3, connecting part; 4, cylinder; 5, lead screw; 6, hook head; 7, n type lug; 8, cover plate; 9, baffle; 10, material tank. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0017] Embodiment:

[0018] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a submerged arc furnace hydraulic material tank sealing device, including material tank 10, material tank 10 is installed to mobile trolley, it is convenient to control material tank 10 moves, the cover plate 8 is rotatably installed on the material tank 10, the tank opening of material tank 10 is sealed by cover plate 8, n type lug 7 is welded on the surface of cover plate 8, cover plate 8 is at the height of 25CM above the screen mesh of the tank opening of material tank 10, and the thickness of cover plate 8 is 5mm.

[0019] The n-shaped lug 7 is connected with a connector, the connector is rotationally connected with a lifter, the lifter controls the up and down movement of the connector and is connected with the n-shaped lug 7, the lifter is rotationally connected with a hoisting mechanism, the hoisting mechanism is used for suspending the lifter, the lifter changes the height of the connector, and the height of the connector corresponds to the height of the n-shaped lug 7, so that different specifications of the tank 10 can be adapted.

[0020] In the embodiment, as shown in Figure 1 and Figure 3 The tank 10 is welded with a baffle 9, the baffle 9 is surrounded by a rectangle, the cover plate 8 is rotationally connected with the baffle 9, the baffle 9 is bent by 90 degrees, and the baffle 9 can block the leaked material in the tank 10.

[0021] In the embodiment, the cover plate 8 and the baffle 9 are connected through a sleeve and a latch, the latch is made of a common round steel with a diameter of 20 mm, the rotation connection between the cover plate 8 and the baffle 9 is realized, and the cover plate 8 is convenient to open and close.

[0022] In the embodiment, as shown in Figure 1 and Figure 2 The lifter is a cylinder 4, a large cylinder diameter cylinder 4 is selected: the inner diameter is 160 mm, and the input air pressure is not less than 10 Mpa.

[0023] In the embodiment, as shown in Figure 2 The connector is a hook head 6, the hook head 6 is connected with the cylinder 4 through a lead screw 5, the piston rod of the cylinder 4 is provided with internal threads, the lead screw 5 is connected with the cylinder 4, the dismounting connection between the hook head 6 and the cylinder 4 is realized, and different sizes of the hook head 6 can be replaced.

[0024] In the embodiment, as shown in Figure 2 The hoisting mechanism includes a triangular structure 1 and a base 2 connected with the triangular structure 1, the base 2 is rotationally connected with a connecting component 3, the connecting component 3 is fixedly connected with the cylinder 4, the connecting component 3 enables the cylinder 4 to swing, and the flexibility of use is improved.

[0025] Specifically, in use, the triangular structure 1 is welded on the girder steel structure by using H-shaped steel, the cylinder 4 is connected with the gas source through a metal hose, a solenoid valve and a throttle valve, the wiring of the solenoid valve is connected with corresponding terminals of electrical elements in a control cabinet, a remote controller is used to control the electrical elements, and then the reversing of the solenoid valve is controlled, so that the extension and contraction of the cylinder 4 are controlled.

[0026] The mobile trolley drives the material tank 10 to move, the cylinder 4 controls the position of the hook head 6 to correspond to the n-shaped hanging ear, the material tank 10 drives the n-shaped hanging ear 7 to move towards the hook head 6, the mobile trolley continues to move for a distance, the connecting part 3 enables the cylinder 4 to rotate, at this time, the hook head 6 and the cylinder 4 are inclined, the cover plate 8 is opened through the rotating mode, after the material in the material tank 10 is filled, the mobile trolley drives the material tank 10 to move reversely, after the hook head 6 is separated from the n-shaped hanging ear 7, the cylinder 4 controls the hanging ear to move upwards, and the mobile trolley successfully drives the material tank 10 to move to the designated position.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hydraulic seal for a stock pot of an electric arc furnace, comprising a stock pot (10), characterized in that: The cover plate (8) is rotatably installed on the tank (10), and an n-shaped lifting lug (7) is welded on the surface of the cover plate (8); The n-shaped lifting lug (7) is connected with a connector, the connector is rotatably connected with a lifter, the lifter controls the up and down movement of the connector and is connected with the n-shaped lifting lug (7), and the lifter is rotatably connected with a hoisting mechanism, and the hoisting mechanism is used for suspending the lifter.

2. A hydraulic seal for a stock pot of an ore smelting furnace according to claim 1, characterized in that: A baffle (9) is welded on the tank opening of the tank (10), the baffle (9) surrounds a rectangle, and the cover plate (8) is rotatably connected with the baffle (9).

3. A hydraulic seal for a stock pot of an ore smelting furnace according to claim 2, characterised in that: The cover plate (8) and the baffle (9) are connected through a sleeve and a latch.

4. A hydraulic seal for a stock pot of an ore smelting furnace as defined in claim 1, characterized in that: The lifter is a gas cylinder (4).

5. A hydraulic seal for a stock pot of an ore smelting furnace according to claim 4, wherein: The connector is a hook head (6), and the hook head (6) is connected with the gas cylinder (4) through a lead screw (5).

6. A hydraulic seal for a stock pot of an ore smelting furnace as defined in claim 4, characterized in that: The hoisting mechanism comprises a triangular structure (1) and a base (2) connected with the triangular structure (1), the base (2) is rotatably connected with a connecting part (3), and the connecting part (3) is fixedly connected with the gas cylinder (4).

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