CN214079146U

CN214079146U - Detect incomplete thick detection and judgment mechanism of ladle package end brick safety

Info

Publication number: CN214079146U
Application number: CN202022795725.8U
Authority: CN
Inventors: 李纪伟; 侯春玲; 郜桥刚; 王崇江; 王辉
Original assignee: Henan Higer Refractories Co ltd
Current assignee: Henan Higer Refractories Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-31
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a detect incomplete thick detection decision-making mechanism of ladle package end brick safety, including the box hat, the inside of box hat is built by laying bricks or stones and is had the firebrick layer, and the firebrick layer is including the package end brick that is located the box hat bottom and the package wall brick that is located box hat lateral wall position, and the fixed judgement piece that is provided with in inside of package end brick, the height of judgement piece is 150 and adds medicine 200mm, and the lower extreme of judgement piece and the bottom surface looks parallel and level of package end brick, the utility model relates to a simple structure, it is convenient to use, sets up the judgement piece of different materials in the inside below position of package end brick, when the molten steel erodees package end brick and should judge when appearing, the staff can be according to the colour of this judgement piece under high temperature, the difference of luminance, will judge the piece and distinguish to carry out accurate judgement with the incomplete thick of package end brick, reach safety in production's purpose.

Description

Detect incomplete thick detection and judgment mechanism of ladle package end brick safety

Technical Field

The utility model belongs to the technical field of the incomplete thickness of ladle safety detects, concretely relates to detect incomplete thick detection of ladle bottom brick safety and judge mechanism.

Background

The ladle is a container for containing molten steel, is a component of refining equipment, is a very widely used equipment in the steel smelting industry, is mainly used for receiving molten steel in front of a steel plant and a foundry, refining and processing the molten steel and the molten iron, and pouring, and has long service time and long high-temperature bearing time. When the steel ladle is used, the requirement on the working performance of the bottom of the steel ladle is very high, because the bottom of the steel ladle is most seriously washed and eroded by the molten steel when the molten steel is poured into the steel ladle, the problem of the bottom of the steel ladle is a very serious accident, once leakage occurs, the site is difficult to control, the whole furnace of the steel ladle is scrapped, accessory equipment is burnt, and serious accidents such as fire, explosion, casualties and the like are very easy to cause. Therefore, it is necessary to use a material for the bottom of the ladle with caution.

The steel ladle is required to be continuously tracked in use, particularly, the thickness of a ladle bottom working lining brick (ladle bottom brick) is required to be scientifically and accurately judged at the later stage, and the best consideration of service life and safety is achieved.

The judgment of the residual thickness of the lining brick in the bottom wrapping work at present comprises the following steps: (1) brick cup assistant comparison method; (2) auxiliary measurement of an oxygen lance; (3) the steel shell temperature indirect method. The method is off-line detection, the method cannot accurately detect the residual thickness of the bottom brick, generally requires that the residual thickness of the bottom brick is at least more than 150mm, the slag steel left at the bottom of the ladle can directly influence the judgment result, and the detection method is easy to measure the thickness of the slag steel at the bottom of the ladle together during detection, influences the judgment result and causes great potential safety hazard.

Disclosure of Invention

The utility model provides a solve above-mentioned technical problem, the utility model provides a detect incomplete thick detection decision mechanism of ladle package end brick safety, its structural design is simple reasonable, it is convenient to use, the piece of judging that sets up different materials in the inside below position of package end brick, when the molten steel erodees the package end brick and should judge when the piece appears out, the staff can be according to should judge the colour of piece under the high temperature, the difference of luminance, will judge the piece and distinguish, thereby carry out accurate judgement with the incomplete thick of package end brick, reach safety in production's purpose.

The utility model adopts the technical proposal that: the utility model provides a detect incomplete thick detection decision-making mechanism of ladle package end brick safety, includes the box hat, and the inside of box hat is built by laying bricks or stones and is had the firebrick layer, and the firebrick layer is including the package end brick that is located the box hat bottom and the package wall brick that is located the box hat lateral wall position, and the inside of brick is fixed and is provided with the judgement piece at the bottom of the package, and the height of judgement piece is 150 and adds medicine 200mm, and the lower extreme of judgement piece is parallel and level mutually with the bottom surface of brick at the bottom of the package.

The judging piece is of a rod-shaped or rectangular structure.

The bottom brick is made of corundum spinel material, and the judging piece is made of corundum spinel material added with chromium oxide green.

The detection and judgment mechanism for detecting the safe residual thickness of the ladle bottom brick of the ladle reduces the thickness of the whole ladle bottom brick along with the continuous scouring of molten steel when the ladle is used, particularly the scouring and erosion of the upper surface of the ladle bottom brick, when the thickness of the ladle bottom brick is reduced to expose a judgment part, the ladle bottom brick is fully utilized and can not be used again, and the ladle bottom brick needs to be replaced; when observation is carried out, because the judgement piece is the corundum spinel material that has added chromium oxide green, under high temperature, with the produced colour of the corundum spinel material of package bottom brick, luminance difference, the staff can be rapid the observation and judge the in service behavior of package bottom brick, ensure that the incomplete thickness of package bottom brick obtains accurate warning, prevent the emergence of incident.

A judging piece is fixedly arranged inside the bottom covering brick, the height of the judging piece is 150-200mm, and the lower end of the judging piece is flush with the bottom surface of the bottom covering brick; the purpose of this is: the overall dimension of the ladle bottom brick is 300 multiplied by 150 multiplied by 100mm or 300 multiplied by 200 multiplied by 100mm, the vertical building mode is adopted when the bottom of the ladle is built, namely, the thickness of the ladle bottom brick in the ladle is 300mm, the upper surface of the ladle bottom brick is a working surface, and along with the scouring and erosion action of molten steel on the working surface, the thickness of the steel ladle bottom brick is gradually reduced, and in the metallurgical production process, the residual thickness of the steel ladle bottom brick at least needs to be 150 plus 200mm, and safety accidents are easy to occur when the residual thickness is less than 150mm, therefore, the height of the judging piece is designed to be 150 plus 200mm, the bag bottom brick can play a role of warning when the bag bottom brick is continuously washed and the thickness is reduced, the lower end of the judging piece is flush with the bottom surface of the bag bottom brick, therefore, the assembly between the judging piece and the bottom-wrapping brick can be conveniently completed, the judging piece is placed in the middle of a brick making mold of the bottom-wrapping brick, and then the brick making material of the bottom-wrapping brick is poured into the mold, so that the effect of quick production is realized.

The utility model has the advantages that:

the utility model relates to a simple structure, it is convenient to use, sets up the piece of judging of different materials in the inside below position of brick at the bottom of the package, erodees the brick at the bottom of the package and should judge when the piece appears out when the molten steel, the staff can distinguish the piece of judging according to the difference of this color, the luminance of judging under the high temperature to carry out accurate judgement with the incomplete thickness of brick at the bottom of the package, reach safety in production's purpose.

Drawings

Fig. 1 is a cross-sectional view of a ladle according to the present invention;

fig. 2 is a connection structure diagram of the judging piece and the bottom covering brick of the utility model.

The labels in the figure are: 1. a steel shell; 2. wrapping wall bricks; 3. wrapping bottom bricks; 4. and (6) judging the condition.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in the figure, a detect incomplete thick detection and judgment mechanism of brick 3 safety at bottom of steel package, including box hat 1, the inside of box hat 1 is built by laying bricks or stones and is had the firebrick layer, the firebrick layer is including the brick 3 at the bottom of the package that is located box hat 1 bottom and the package wall brick 2 that is located the lateral wall position of box hat 1, and the inside of brick 3 at the bottom of the package is fixed and is provided with judgement piece 4, and the height of judgement piece 4 is 150 and adds medicine 200mm, judges the lower extreme of 4 and wraps the bottom surface looks parallel and level of brick 3 at the bottom of the package.

The determination member 4 has a rod-like or rectangular structure.

The 3 materials of brick at the bottom of package are corundum spinel material, judge 4 corundum spinel materials for adding the chromium oxide green, and the setting is because the colour and the luminance that the brick 3 shows are different at the high temperature at the bottom of judging 4 and package, and the staff of being convenient for distinguishes the two like this, and when judging 4 and showing, the staff can be quick observe and judge 4, plays the effect of suggestion.

In addition, in order to avoid adding the judgment parts 4 into all the bottom-wrapping bricks 3 and prevent the increase of the production cost, the judgment parts 4 can be added into the bottom-wrapping bricks 3 at the positions of the impact areas which are frequently scoured at the bottom of the ladle, and the bottom-wrapping bricks 3 made of corundum spinel materials are still adopted at other positions, so that the cost input can be reduced, and the brick making time can be shortened.

According to the detection and judgment mechanism for detecting the safe residual thickness of the ladle bottom brick 3, the thickness of the whole ladle bottom brick 3 is reduced along with the continuous scouring of molten steel when a ladle is used, particularly the upper surface of the ladle bottom brick 3 is scoured and eroded, when the thickness of the ladle bottom brick 3 is reduced to enable the judgment piece 4 to be exposed, the ladle bottom brick 3 is fully utilized and can not be used again, and the ladle bottom brick 3 needs to be replaced at the moment; during observation, the judging part 4 is made of corundum spinel material added with chromium oxide green, and the color and the brightness of the corundum spinel material are different from those of the corundum spinel material of the bottom brick 3 at high temperature, so that a worker can quickly observe and judge the service condition of the bottom brick 3, the condition that the bottom brick 3 is thick is accurately warned, and safety accidents are prevented.

Claims

1. The utility model provides a detect incomplete thick detection decision-making mechanism of ladle package bottom brick safety which characterized in that: including the box hat, the inside of box hat is built by laying bricks or stones and is had the firebrick layer, and the firebrick layer is including the package bottom brick that is located the box hat bottom and the package wall brick that is located the box hat lateral wall position, and the inside of package bottom brick is fixed and is provided with the judgement piece, and the height of judgement piece is 150 and adds medicine 200mm, and the lower extreme of judgement piece is parallel and level mutually with the bottom surface of package bottom brick.

2. The detection and judgment mechanism for detecting the safe residual thickness of the bottom brick of the ladle according to claim 1, characterized in that: the judging piece is in a rod-shaped or rectangular structure.

3. The detection and judgment mechanism for detecting the safe residual thickness of the bottom brick of the ladle according to claim 1, characterized in that: the bottom brick is made of corundum spinel material, and the judging piece is made of corundum spinel material added with chromium oxide green.