JPS6026399Y2 - Vertical inner surface repair device for containers such as ladles - Google Patents

Description

[Detailed explanation of the invention] [Industrial application field] This invention repairs the melted damage by spraying monolithic refractories onto the damaged part when melting damage occurs on the inner surface of a ladle, etc. This invention relates to a vertical inner surface repair device for containers such as ladles.

[Prior Art] Mechanization for repairing refractory containers such as ladles for molten metals such as pig iron making and steel making, tundishes, pot smelting furnaces, and pig iron mixing trucks has been progressing.

One example is a system in which a spray device equipped with a spray pipe is hung from a running lane using wire or the like (Japanese Unexamined Patent Publication No. 50-2606).

[Problem that the invention attempts to solve]

However, in such a device, the elevating device, the moving device, and the rotating device for the spray pipe are constructed as completely independent devices, so the overall structure becomes large.

In addition, the total height of the building has not been determined with such repair work in mind, and since the lifting device and the moving device 9 rotation devices are connected to each other, the suspension support by a crane; ξ was unable to secure sufficient promotion.

. Further, in the above-mentioned conventional apparatus, the elevating device and the moving device for the spray pipe are directly exposed to dust and high heat rising from a container such as a grate.

Furthermore, the device for lifting and lowering the spray pipe, as well as the device for rotating the spray pipe, physically lifts and lowers the pipe, so the lifting device becomes larger. Moreover, a considerable amount of energy is required for lifting and lowering.

The present invention can solve the problems of the prior art, that is, the entire device can be made significantly more compact, the vertical blow pipe can have a sufficient vertical stroke, and it can also reduce dust and dust. An object of the present invention is to provide a device for repairing the vertical inner surface of a container such as a ladle, which can completely protect a pipe drive mechanism from high heat.

[Means for solving problems]

In order to solve the above problems, in the present invention, the vertical inner surface repair device is attached to a horizontal rotating arm whose base end is pivoted to a wall or a column, and is moved along the horizontal rotating arm. A cylindrical pipe support housing that is attached to the same dolly and integrally houses a pipe lifting device and a pipe rotation device in a sealed state, and a cylindrical pipe support housing that penetrates the pipe support housing and the dolly and sprays onto the lower end. It consists of a vertical spray pipe with a nozzle.

〔Example〕

The present invention will be specifically described below based on an embodiment shown in the attached drawings.

As shown in the figure, the vertical inner surface repair device according to the present invention includes a horizontal rotating arm 2 protruding from a wall surface 1 or a column, a truck 3 running on the horizontal rotating arm 2, and a pipe provided on the truck 3 for lifting and lowering. A cylindrical pipe support housing 20 that integrally houses the device 6 and the pipe rotation device 7 in a sealed state, a vertical spray pipe 4 that rotates and moves up and down through the pipe support housing 20, and the vertical spray pipe 4. It consists of a spray nozzle 5 attached to the tip, and the refractory is sent from a gunning device located at a predetermined location (not shown) through a refractory supply hose 12 and a vertical spray pipe 4 from the spray nozzle 5 to a container 8. Sprayed onto the inner wall surface.

Next, the operation of the vertical inner surface repair device having the above configuration will be explained.

For example, in the case of FIG. 2A, first, a worker on the deck 11 horizontally moves the horizontal swing arm 2 in the standby position in a direction perpendicular to the axial direction of the horizontal swing arm 2 by operating the remote control box 13. Similarly, the cart 3 having a built-in moving device is moved on a horizontal plane in the axial direction of the horizontal swing arm 2, and the cart 3 is brought onto the container 8.

Next, the vertical spray pipe 4 is lowered by the pipe lifting device, and then the pipe rotation device 7 is driven to rotate the vertical spray pipe 4 around the entire circumference as shown in FIG. It is a spraying method.

On the other hand, in the case of FIG. 2B, the vertical spray pipe 4 is moved horizontally in the manner described above, and after descending into the container 8, the vertical spray pipe 4 is caused to revolve around the center of the container 8, and
Spraying work is performed by rotating and swinging the machine.

In the above-mentioned spraying operation, the pipe lifting device 6 and the pipe rotating device 7 are both sealed in the cylindrical pipe support housing 20, so that the pipe lifting device 6 and the pipe rotating device are protected from dust and high heat from the container 8. The device 7 can be protected.

Moreover, since it is only necessary to raise and lower the vertical spray pipe 4, the structure of the pipe lifting device 6 and the pipe rotating device 7 can be downsized, and energy saving can also be achieved.

[Effect of idea]

With the configuration described above, the present invention has the following effects.

B. During spraying work, the pipe rotating device and the pipe lifting device are both sealed in a cylindrical pipe support housing, so the pipe rotating device and the pipe lifting device are protected from dust and high heat rising from containers such as ladles. The device can be protected.

(b) In addition, since only the vertical spray pipe needs to be raised and lowered, the structure of the pipe lifting and lowering device and the pipe rotation device can be downsized.
Energy saving can also be achieved.

C. The pipe lifting device, the moving device, and the pipe support housing can be placed on substantially the same plane as the trolley,
In addition, since the vertical spray pipe passes through the cart and the pipe support housing, the vertical spray pipe can take a sufficient vertical stroke even if the building is low, and the spraying work can be carried out smoothly and reliably.

2. Since the trolley can move not only in the axial direction of the horizontal swing arm but also in the direction perpendicular to it, the vertical spray pipe can be operated in any spraying mode within the container, allowing the most suitable spraying operation to be performed for the melting condition. It can be carried out.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram showing one embodiment of the vertical inner surface repair device for containers such as ladles according to the present invention, Fig. 2 A and B are explanatory diagrams showing the spraying state, and Fig. 3 is a partially cutaway cross section of the cart. It is a diagram. 1...Wall surface, 2...Horizontal rotating arm,
3... Trolley, 4... Vertical spray pipe,
5... Spray nozzle, 6... Pipe lifting device, 7... Pipe rotating device, Deck... Container, 11... Deck, 12 ... Refractory supply hose, 13 ... Remote control box, 20 ... Pipe support housing.

Claims (1)

[Scope of utility model registration request] a horizontal swing arm whose base end is pivoted to a wall or column;
6 wheels that are attached to the same horizontal rotating arm and movable along the same horizontal rotating arm, and a cylindrical truck that is attached to the same trolley and has a pipe lifting device and a pipe rotation device integrally built into it in a sealed state. A vertical inner surface repair device for a container such as a ladle, which comprises a pipe support housing, a vertical spray pipe that passes through the pipe support nozzle and truck and has a spray nozzle at its lower end.