CN211386886U

CN211386886U - Online hot patching device of ladle external mounted air brick cup

Info

Publication number: CN211386886U
Application number: CN202020033278.XU
Authority: CN
Inventors: 熊伟; 蓝亭
Original assignee: Chengdu Futian High Temperature Material Technology Co ltd
Current assignee: Chengdu Futian High Temperature Material Technology Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-09-01
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses an online hot patching device of ventilative brick cup of outer dress formula of ladle relates to metallurgical equipment technical field, has solved among the prior art and has made the technical problem that the ventilative brick cup of reacing that the hot patching material can not be accurate need the repair position through the mode of artifical throwing. The repairing device comprises a guide pipe for guiding repairing materials to reach the to-be-repaired position of a brick cup, a suspension device is arranged at the feeding end of the guide pipe, a control device is arranged at the discharging end of the guide pipe, and after the guide pipe is suspended by the suspension device, the discharging end is controlled by the control device to move to the to-be-repaired position of the brick cup, so that the repairing materials can repair the to-be-repaired position of the brick cup. The utility model discloses a honeycomb duct one end hangs the towed mode of one end, and the position that needs hot repair is needed to the reacing air brick cup that makes hot repair material can be accurate, and whole honeycomb duct need not artifical the lift, only needs the position of adjustment honeycomb duct discharge end, has compensatied the inconvenient defect of repairing the brick cup among the prior art, has reduced operation workman's intensity of labour.

Description

Online hot patching device of ladle external mounted air brick cup

Technical Field

The utility model relates to a metallurgical equipment technical field particularly indicates an online hot patching device of steel ladle external dress formula air brick cup.

Background

With the continuous development of national economy, the market demand for high-quality steel and special steel is increasing, the steel-making technology and the steel-making process are also greatly developed, and particularly, the external refining technology is widely adopted. The air brick is the most key functional element in the link of external refining, along with the continuous improvement of the refining proportion, the refining time is continuously prolonged, the service lives of the air brick and the ladle slag line brick cannot be synchronous, and the technology of the externally-mounted air brick is rapidly developed.

When the air brick core in the ladle is subjected to online hot replacement, the air brick cup in the ladle also needs to be subjected to online hot repair immediately. In the prior art, most steel plants in China cannot provide enough space positions for constructing a special hot repair platform due to compact site space layout and fast steel ladle turnover rhythm, and operators can only stand on a tapping argon blowing platform and adopt a mode of manually throwing plastic bag packaged hot repair materials to carry out hot repair on air brick cups in steel ladles. The hot repair material can not accurately reach the position of the air brick cup to be repaired due to the uncertainty of manual throwing, so that the method not only causes huge waste to materials, but also has high labor intensity and low working efficiency of workers, and simultaneously has certain safety risk in the operation process.

Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide an on-line hot repair device capable of making a hot repair material accurately reach a position where a gas permeable brick cup needs to be repaired.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an online hot patching device of ladle is adorned formula air brick cup outward to make the hot patching material can not be accurate reach the technical problem that air brick cup needs the repair position through the mode of artifical throwing among the solution prior art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides an online hot patching device of ladle external dress formula ventilative brick cup, including the honeycomb duct that is used for guiding the mending material to reach the position of treating the mending of brick cup, the feed end of honeycomb duct is provided with linkage, the discharge end of honeycomb duct is provided with controlling means, the honeycomb duct hangs the back through linkage, and rethread controlling means control discharge end removes to the position of treating the mending of brick cup, makes the mending material repair the position of treating the mending of brick cup.

On the basis of the technical scheme, the online hot repair device for the steel ladle external-mounted air brick cup can be further improved as follows.

Furthermore, the inner wall of the flow guide pipe is provided with a corundum self-flowing repair material in a through length mode, and the discharge end of the outer wall of the flow guide pipe is provided with aluminum silicate fiber cotton.

Furthermore, the feed end of honeycomb duct is provided with the flare opening that is convenient for mending material and loads, flare opening and honeycomb duct intercommunication, linkage sets up on the flare opening.

Further, the hanging device comprises a hook used for hanging the flow guide pipe on the support, and an anti-falling device used for preventing the hook from falling off is arranged on the hook.

Furthermore, the anti-falling device comprises a closing piece which can be enclosed with a hook to form a closed structure, tongue pieces corresponding to the positions of the hook and the closing piece are respectively arranged on the hook and the closing piece, and the hook and the closing piece are detachably connected through the matching of a bolt and the tongue pieces.

Furthermore, the control device comprises a traction piece arranged at the discharge end of the guide pipe, and a handle convenient to operate is arranged at the free end of the traction piece.

Further, the traction piece is a steel chain or a steel rod piece.

Furthermore, the guide pipe is further provided with a handrail convenient for the guide pipe to move.

Furthermore, the honeycomb duct is made of a steel pipe, and the length of the honeycomb duct is adapted to the sum of the depth of the steel ladle and the height of the argon blowing platform.

Compared with the prior art, the utility model, have following advantage:

the utility model discloses a honeycomb duct one end hangs the towed mode of one end, and the position that needs hot repair is needed to the reacing air brick cup that makes hot repair material can be accurate, and whole honeycomb duct need not artifical lift, only needs the position of adjustment honeycomb duct discharge end, has compensatied the inconvenient defect of repairing the brick cup among the prior art, has reduced operation workman's intensity of labour, has improved labor efficiency, has reduced the waste of hot repair material, has improved the security of operation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic cross-sectional view of an on-line hot patching device of the present invention;

fig. 2 is a schematic structural view of the anti-falling device of the present invention;

fig. 3 is a schematic diagram of the relative position structure of the brick cup and the brick core in the ladle.

Reference numbers and corresponding reference designations in the drawings:

1. a flow guide pipe; 11. a corundum self-flowing repairing material; 12. aluminum silicate fiber cotton; 2. a funnel opening; 3. hooking; 31. a closure member; 32. a tongue piece; 33. a bolt; 4. a traction member; 5. a handle; 6. a handrail; 7. brick setting; 8. a brick core; 9. the position to be repaired.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1

An on-line hot repairing device for a ladle external-mounted air-permeable brick cup is shown in figure 1 and comprises a cylindrical guide pipe 1, wherein the guide pipe 1 is a steel pipe, and the thickness of the steel pipe is controlled to be 5-8 mm. Since the thermal repair material of the brick cup 7 is usually corundum self-flow repair material 11, the refractory material of the corundum self-flow repair material 11 is also provided on the inner wall of the flow guide pipe 1 along the entire length direction. On one hand, the honeycomb duct 1 plays a role in guiding the corundum self-flowing repairing material 11 to the position 9 to be repaired of the brick cup 7; on the other hand, the corundum self-flowing repair material 11 also has the function of self-covering the honeycomb duct 1. In addition, the discharge end of the outer wall of the draft tube 1 is provided with a refractory material of aluminum silicate fiber cotton 12, so that the draft tube 1 is in a structural form of internal and external dual-protection of the refractory material.

As shown in fig. 1, a funnel opening 2 convenient for filling repair materials is arranged at the feed end of a flow guide pipe 1, and the funnel opening 2 is communicated with the flow guide pipe 1. The funnel opening 2 is formed by welding steel plates and is welded with the feed end of the guide pipe 1. The outer side wall of the funnel opening 2 is welded with a hook 3 for hanging the draft tube 1. Wherein, the length of the hook 3 is based on the height of the funnel mouth 2 which is convenient for operators to load hot patching materials. The discharge end of the draft tube 1 is welded with a traction piece 4, and the free end of the traction piece 4 is provided with a handle 5 convenient for operation. Wherein, the traction piece 4 can adopt a steel chain or a steel rod piece. Preferably adopt the steel chain, when transport honeycomb duct 1, the steel chain can twine on honeycomb duct 1's lateral wall, does not occupy the space position. If the steel rod piece is adopted, the steel rod piece can be hinged with the outer side wall of the guide pipe 1, and the steel rod piece can be folded when the guide pipe 1 is carried. The outer side wall of the funnel opening 2 is also provided with a ladder-type handrail 6 which is convenient for the honeycomb duct 1 to move, and when an operator carries the honeycomb duct 1, the operator can carry the honeycomb duct conveniently through the handrail 6.

As shown in fig. 3, in the prior art, a general brick cup 7 is arranged in a ladle, a brick core 8 is installed in the brick cup 7, the brick core 8 is often required to be replaced after molten steel in the ladle is processed, a position to be repaired 9 of an annular gap exists between a new brick core 8 and the brick cup 7, and if the annular gap is not repaired in time by using a hot repair material, the problem of steel leakage of subsequent molten steel is caused. The operation worker adopts a manual throwing mode, so that the hot repair material cannot accurately reach the position 9 to be repaired, and the residual temperature of the molten steel in the steel ladle is seven to eight hundred degrees after the molten steel treatment is finished, so that the operation worker also has great potential safety hazard.

The utility model discloses during the use, hang honeycomb duct 1 on the support that the ladle top set up through couple 3, the discharge end that the rethread pulls 4 adjustment honeycomb ducts 1 aims at the recess type and treats repair position 9, make the hot repair material can follow the 2 accurate reachs of funnel mouth of honeycomb duct 1 and treat repair position 9, make the recess type treat repair position 9 become as shown by dotted line shape in figure 3 after repairing, enlarge to the recess type treat repair position 9 outside the scope downwards by the top of brick core 8 and repair, ensure the integrality of brick cup 7 repair. The whole working process does not need manual lifting, and only needs to adjust the position of the discharge end of the flow guide pipe 1, so that the defect that the brick cup 7 is inconvenient to repair in the prior art is overcome, the labor intensity of operators is reduced, the labor efficiency is improved, the waste of hot repair materials is reduced, and the operation safety is improved.

The honeycomb duct 1 adopts the structural form protected by the internal and external dual refractory materials, so that the softening deformation of the steel pipe under the high-temperature action can be effectively prevented, and the service life of the honeycomb duct 1 is prolonged. Preferably, the length of the draft tube 1 is adapted to the sum of the depth of the ladle and the height of the argon blowing platform, so that an operator can be far away from the ladle, and safety accidents are avoided.

Example 2

For better realization the utility model discloses, this embodiment is further optimized on the basis of above-mentioned embodiment, adopts following structure very much:

as shown in figure 2, a closing part 31 is hinged on the hook 3, and the closing part 31 can form a closed structure for hanging on a bracket by enclosing with the hook 3, thereby effectively preventing the hook 3 from falling off. Tongue pieces 32 corresponding to the positions are respectively arranged at the free ends of the hook 3 and the closing part 31, and the two tongue pieces 32 are connected by matching a bolt 33 and a nut, so that the hook 3 is detachably connected with the closing part 31, and the use safety of the draft tube 1 is ensured.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The on-line hot repairing device for the steel ladle external air-permeable brick cup is characterized by comprising a guide pipe (1) used for guiding a repairing material to reach a to-be-repaired position (9) of the brick cup (7), wherein a suspension device is arranged at the feed end of the guide pipe (1), a control device is arranged at the discharge end of the guide pipe (1), and after the guide pipe (1) is suspended by the suspension device, the discharge end is controlled by the control device to move to the to-be-repaired position (9) of the brick cup (7), so that the repairing material can repair the to-be-repaired position (9) of the brick cup (7).

2. The on-line hot repairing device for the steel ladle external-mounted air-permeable brick cup is characterized in that a corundum self-flowing repairing material (11) is arranged on the whole length of the inner wall of the guide pipe (1), and aluminum silicate fiber cotton (12) is arranged at the discharge end of the outer wall of the guide pipe (1).

3. The on-line hot repair device for the ladle external-mounted air brick cup according to claim 2, wherein a funnel opening (2) convenient for filling repair materials is arranged at the feeding end of the guide pipe (1), the funnel opening (2) is communicated with the guide pipe (1), and the suspension device is arranged on the funnel opening (2).

4. The ladle external-packaging type air brick cup online hot repair device according to claim 3, wherein the hanging device comprises a hook (3) for hanging the flow guide pipe (1) on the support, and the hook (3) is provided with an anti-falling device for preventing the hook (3) from falling off.

5. The online hot repair device for the ladle external-mounted air brick cup according to claim 4 is characterized in that the anti-dropping device comprises a closing part (31) which can be enclosed with a hook (3) to form a closed structure, tongue pieces (32) corresponding to the positions are respectively arranged on the hook (3) and the closing part (31), and the hook (3) and the closing part (31) are detachably connected through the matching of a bolt (33) and the tongue pieces (32).

6. The ladle external-mounted type air brick cup online hot repair device according to any one of claims 1 to 5, characterized in that the control device comprises a traction piece (4) arranged at the discharge end of the guide pipe (1), and the free end of the traction piece (4) is provided with a handle (5) convenient for operation.

7. The ladle external-packaging type air brick cup online hot repair device according to claim 6, wherein the traction member (4) is a steel chain or a steel rod member.

8. The ladle external-mounted air brick cup on-line hot repair device according to any one of claims 1 to 5, characterized in that the guide pipe (1) is further provided with a handrail (6) for facilitating the movement of the guide pipe (1).

9. The ladle external-mounted air brick cup online hot repair device according to any one of claims 1 to 5, characterized in that the material of the draft tube (1) is a steel tube, and the length of the draft tube (1) is adapted to the sum of the depth of the ladle and the height of the argon blowing platform.