CN216550626U - Regeneration smelting treatment device - Google Patents

Abstract

The utility model discloses a regeneration smelting treatment device. Including the agitator, connect in the refining door device of smelting furnace is located to the driver of agitator, and characterized by still includes an mobile device, refining door device is including refining the door and sealing the door, agitator or its stirring body rotary type set up in this refining door, refining the door with seal the door and set up in this mobile device's corresponding both sides through corresponding connecting device respectively, refining the door with seal the door and advance and retreat and/or the rotary type is opened or is closed through this mobile device. The regeneration smelting treatment device has the advantages of extremely simple structure, scientific and reasonable structure, no influence on normal production operation by refining treatment, energy conservation and high efficiency.

Description

Regeneration smelting treatment device

Technical Field

The utility model relates to a regeneration smelting treatment device.

Background

In the smelting regeneration production of aluminum and the like, it is generally necessary to subject a smelting furnace to refining treatment such as stirring degassing. The smelting liquid in the smelting furnace is stirred and a certain amount of refining agent is added at the same time for treatment. As for the refining treatment mode and the corresponding device, the opening is firstly arranged on the furnace top, a stirrer is arranged on the furnace top, when the refining treatment is needed, the furnace is firstly stopped, the operation of a smelting system is stopped, the top furnace mouth cover is opened, the stirrer is arranged from the top furnace mouth, the smelting liquid in the smelting furnace is stirred, and a refining agent is inserted and added from the top furnace mouth while stirring. On one hand, the stirrer is arranged on the top of the furnace, so that the space is limited, the range of motion is small, the safety problem is obvious, on the other hand, due to the fact that hot gas is extremely large during refining treatment, the impact on equipment is large, the operation is extremely difficult and even cannot be endured, and the method mainly aims at setting a site through particularly building a smelting furnace and is rarely used at present. The existing common mode is a treatment mode of adding a refining agent into a furnace door, wherein during treatment, the furnace door is opened, a machine drives a stirring rake to stir, and the refining agent is added from a furnace opening. The method also needs to shut down the furnace and stop the system, the heat loss is extremely large, the shutdown of the smelting system causes production loss, the continuity of the operation condition of the system is influenced, great loss is caused to the production, the operation is also troublesome, the difficulty is high, and the stirring is discontinuous and uniform. On the other hand, the existing stirrer adopts a stainless steel stirrer, and is easy to deform, damage and short in service life.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to provide a regeneration melting treatment apparatus. The regeneration smelting treatment device has the advantages of extremely simple structure, scientific and reasonable structure, no influence on normal production operation by refining treatment, energy conservation and high efficiency.

The technical scheme includes that the refining door device comprises a stirrer, a driver connected with the stirrer, and a refining door device arranged in a smelting furnace, and is characterized by further comprising a moving device, wherein the refining door device comprises a refining door and a sealing door, the stirrer or a stirring body thereof is rotatably arranged on the refining door, the refining door and the sealing door are respectively arranged on two corresponding sides of the moving device through corresponding connecting devices, and the refining door and the sealing door advance and retreat and/or are rotatably opened or closed through the moving device.

On the basis of extremely simple and reasonable system composition, the regenerative smelting treatment device can stir degassing refining agents and the like on line, does not need to shut down the furnace and shut down the whole smelting and ingot casting system, does not influence and damage the operation working conditions of the smelting furnace and a casting line thereof in the whole refining treatment process, improves the severe environment of operators, avoids heat energy loss, improves the whole production environment, is especially safe, stable and reliable in operation, has obvious energy-saving and consumption-reducing effects, obviously improves the production efficiency, and correspondingly greatly reduces the production cost.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention; FIG. 2 is a schematic perspective view of another embodiment of the present invention; FIG. 3 is a schematic perspective view of another embodiment of the present invention; fig. 4 is a schematic structural diagram of another embodiment of the present invention.

Detailed Description

In order to further understand the technical scheme of the utility model, the utility model is now clearly and completely described by the embodiment with reference to the attached drawings.

FIG. 1A regenerative smelting processing apparatus according to embodiment 1 of the present invention comprises a drive such as a motor 6 fixed to a refining gate, a refining gate device, and a stirrer. A refining opening 3 is arranged on the side wall of one side of the smelting furnace 1. The refining door device comprises a door frame 10, a refining door 2, a sealing door and the like. The refining gate 2 and the sealing gate correspond to the refining opening 3, respectively. The motor shaft 8 of this example is provided with an axial through hole.

The door frame is connected to the smelting furnace 1 by means of a hinge. An air cylinder 11 is hinged between the door frame 10 and the smelting furnace wall on the corresponding side of the refining opening, the sealing door and the refining door 2 are installed and fixed on the door frame 10 in a replaceable mode through fasteners and the like, the corresponding air cylinder 11 controls the refining door and the sealing door which are installed on the door frame in an open-side mode through controlling the door frame, and the refining door 2 is installed on the door frame in the figure 1.

The stirrer comprises a stirring body, wherein the stirring body comprises a stirring shaft (or a stirring rod) 4 and an impeller 5 fixedly connected to one end of the stirring shaft. The stirring shaft 4 and the impeller 5 are provided with a central through hole, and the central through hole forms an axial refining through hole. The stirring shaft 4 is connected to the refining door 2 through a dynamic sealing device 7, meanwhile, the stirring shaft and the motor shaft 8 are fixedly connected with each other through a coupling or a flange 14, and a sealing gasket or a lens gasket is arranged between the mutually butted end faces of the stirring shaft on the inner side of the coupling or the flange and the motor shaft 8.

The overhanging end of the motor shaft 8 is connected with a rotary joint 9, and the stirring body is connected with a refining agent source through the rotary joint 9. The motor shaft 8 and the axial refining through hole form a transmission channel.

When the device works, a refining door and the like provided with relevant processing device components such as a stirrer and the like are arranged on a door frame, and an air cylinder is started to close the door frame or the refining door thereof and seal a refining opening. And then connecting the rotary joint and the like to a refining agent source, starting a motor, starting treatment and the like, stirring the smelting liquid in the furnace by rotating a stirring shaft and an impeller thereof which extend into the furnace, and injecting the refining agent into the smelting furnace through a shaft hole of the motor, the stirring shaft and a central through hole of the impeller thereof and the like according to the process requirements.

And the corresponding gas in the smelting furnace can be led out from the guide channel to be discharged outside or injected with a refining agent into the furnace by controlling the three-way valve or switching the guide channel after the guide channel is disconnected or connected with the three-way valve.

In this example, the refining door and the sealing door are provided with peripheral step edges, the inner wall surfaces of the refining door and the sealing door, which protrude relative to the peripheral step edges, are hermetically connected with the periphery of the refining opening of the smelting furnace, and are in assembled connection with the door frame through the peripheral step edges. The refining door and the sealing door are flat plates and are arranged on the window of the door frame.

After the stirring refining treatment is completed, the door frame and the refining door are opened through the air cylinder, the stirring body is withdrawn, the refining door is detached from the door frame, the sealing door is replaced on the door frame, and then the corresponding air cylinder is started to close the refining opening.

The working conditions of the treated smelting liquid in the furnace are various: in the first mode, the stirring body is arranged at the lower part of the furnace or close to the bottom, the smelting liquid is injected into the furnace to a certain liquid level after the refining door is closed, and then the stirrer is started to operate. In the second mode, the stirrer is obliquely arranged in the furnace, and a stirring impeller of the stirrer extends into the lower part of the furnace or is close to the bottom of the furnace. And in the third mode, the stirrer is arranged at the liquid level position of the corresponding working condition of the smelting furnace, and the liquid-wading impeller is utilized to implement treatment on the smelting liquid in the real-time furnace.

In the embodiment, the stirring shaft is a graphite stirring shaft, the impeller is a graphite impeller, and the graphite impeller and the graphite stirring shaft are manufactured into a whole. The graphite impeller is cylindrical, and a plurality of grooves or through holes which are rectangular or triangular in axial view are distributed on the peripheral wall of the cylindrical graphite impeller. The structure can improve the strength of the impeller of the graphite material structure and further prolong the service life of the impeller.

Example 2, as shown in fig. 2. The refining gate 2 and the sealing gate 22 of the regeneration melting processing apparatus are provided on opposite sides of the refining port 3 through the respective cylinders 11 corresponding to the refining port.

The stirring shaft 4 is arranged in the refining door 2 through a dynamic or mechanical sealing device, the motor 6 is positioned at one corresponding side of the stirring shaft 4 and is fixedly connected with the refining door 2, the stirring shaft 4 and the motor 6 are in transmission connection with each other through a gear transmission mechanism 12, a rotary joint 9 is connected at the free end of the stirring shaft, and a refining agent can be directly injected into the furnace through the stirring shaft through the rotary joint.

And after the refining treatment is finished, the refining door is opened, and the stirring body exits from the smelting furnace. The sealing door is controlled by a cylinder to close and seal the refining opening. The rest of the structure and the corresponding processing operation method of this example can be similar to the above-described embodiments.

Example 3, as shown in FIG. 3. The regeneration smelting treatment device of the embodiment comprises a mobile device, wherein the mobile device comprises a manual or motorized mobile trolley 13, the mobile trolley 13 is provided with a brake 16, a sealing door 22 and a refining door 2 are respectively fixed on two corresponding side surfaces of the mobile trolley 13, a stirring body is arranged on the refining door through a dynamic sealing device, and a motor is fixed on the mobile trolley.

The stirring shaft introduces the refining agent through the rotary joint. When the device runs, the refining door and the sealing door can be conveniently and easily controlled to be reliably opened and sealed and closed by controlling the turning, advancing, retreating, braking and the like of the mobile trolley. And the refining door is closed, so that the corresponding refining treatment and the like can be implemented. The rest of the structure, the corresponding operation method and the like of the present embodiment can be similar to any of the above embodiments.

Example 4 of the present invention is shown in fig. 4. The regeneration smelting processing device also comprises a refining pipeline 15 and the like. The guide channel is mainly composed of a refining pipeline 15 and the like. The corresponding side that its concise pipeline 15 is located the stirring body sets up in refining door 2, and the (mixing) shaft is connected with refining door through corresponding rotation sealing device, and the (mixing) shaft can also be fixed in support or refining door through bearing arrangement simultaneously, and it can bear bigger, heavy stirring body. The stirring shaft is fixedly connected with a motor shaft. The refining agent source is directly connected with a refining pipeline 15 and can be directly injected into the smelting furnace through the refining pipeline without any channel rotary sealing connecting device such as a rotary joint. The structure is simpler, the operation is more stable and reliable, the cost is lower, and the like. The length of the refining pipe 15 may be close to the length of the stirring shaft. The rest of the structure, the corresponding operation method and the like of the present embodiment can be similar to any of the above embodiments.

In embodiment 5, the lower part of the frame of the mobile cart is provided with a base, the walking wheels are arranged on the base, the rotating disk is arranged on the base, and the frame is fixed on the rotating disk. The stirrer and other devices are all arranged on the frame. The relevant operation can be completed through the advancing and retreating and the rotation of the mobile trolley. The rest of the structure, the corresponding operation method and the like of the present embodiment can be similar to any of the above embodiments.

In embodiment 6, the refining pipeline is provided with a three-way switching valve, two corresponding ports of the three-way switching valve are respectively connected to the refining agent source and the refining pipeline, and the other port is emptied. Corresponding gas such as argon in the furnace can be discharged outside through the three-way valve. The rest of the structure, the corresponding operation method and the like of the present embodiment can be similar to any of the above embodiments.

The dynamic sealing device of the utility model can use a graphite mechanical sealing device, an asbestos filler type rotary sealing device and the like, or other similar devices in the prior art. The whole stirring body or the impeller of the stirring body can be related structural components in the prior art.

Claims (1)

1. The utility model provides a processing apparatus is smelted in regeneration, includes the agitator, connect in the driver of agitator locates the concise door device of smelting furnace, and characterized by still includes an action gear, concise door device is including concise door and sealing door, agitator or its stirring body rotary type set up in this concise door, concise door and sealing door set up in this action gear's corresponding both sides through corresponding connecting device respectively, concise door and sealing door advance and retreat and/or the rotary type is opened or is closed through this action gear.

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