CN205556728U - Combined bench for repairing converter lining - Google Patents

Abstract

The utility model provides a combined bench for repairing the lining of the converter, which is used for repairing the converter. The combined bench for repairing the lining of the converter includes: a fixing seat for the repairing platform, which is located in the inner cavity of the converter and arranged on the bottom of the converter. on the wall; the guiding device is located in the inner cavity of the converter, connected to the fixed seat of the furnace repairing platform, and extends along the up and down direction of the converter; the movable seat of the furnace repairing platform is located in the inner cavity of the converter and can move up and down It is arranged on the guide device; the movable platform plate is located in the inner cavity of the converter, and the movable platform plate is arranged horizontally and connected to the movable seat of the furnace repairing platform; the connecting device is located in the inner cavity of the converter and connected to Between the movable seat of the furnace repairing platform and the guide device; the movable platform support frame is located in the inner cavity of the converter, and the movable platform support frame is arranged on the movable seat of the furnace repairing platform and supports the movable platform plate. The equipment of the utility model has stable performance, safe operation, economical and practical furnace repair.

Description

Combined bench for converter lining repair

technical field

The utility model relates to the field of metallurgy, in particular to production and maintenance equipment for a steelmaking converter, that is, a converter lining repairing and building combined platform.

Background technique

Since oxygen converter steelmaking is carried out at high temperature, a certain thickness of refractory material must be built inside the converter shell as the furnace lining. Due to the action and erosion of high-temperature molten steel and steel slag, the furnace lining has a certain life span, and the furnace lining needs to be maintained and repaired.

At present, the converter lining repair methods commonly used in my country include the upper repair method and the lower repair method. When designing the furnace body of the converter by the downward revision method, the lower part of the furnace body needs to be segmented, and the design is more complicated. It also needs to configure a special furnace repair car system, which requires a relatively large investment. Therefore, more and more furnace repairing methods are adopted in the furnace repairing system of the converter.

The existing equipment for repairing and repairing masonry has a complex structure and cumbersome operations.

Utility model content

The utility model provides a converter lining repairing combined platform to solve the problems of complex structure and cumbersome operation of the existing upper repairing and repairing equipment.

For this reason, the utility model proposes a converter lining repairing combined bench for repairing the converter, and the converter lining repairing combined bench includes:

The furnace repair platform fixing seat is located in the inner cavity of the converter and is arranged on the bottom wall of the converter;

The guide device is located in the inner cavity of the converter, connected to the fixing seat of the furnace repairing platform, and extends along the up and down direction of the converter;

The movable seat of the furnace repair platform is located in the inner cavity of the converter, and is arranged on the guide device that can move up and down;

The movable platform board is located in the inner cavity of the converter, and the movable platform board is arranged horizontally and connected to the movable seat of the furnace repairing platform;

The connecting device is located in the inner cavity of the converter and connected between the movable seat of the furnace repairing platform and the guiding device;

The movable platform support frame is located in the inner cavity of the converter, and the movable platform support frame is arranged on the movable seat of the furnace repairing platform and supports the movable platform plate.

Further, the fixing seat of the furnace repairing platform is a frame structure welded by steel pipes.

Further, the guide device is a guide rod.

Further, the bottom of the guide rod is sheathed in the fixed seat of the furnace repairing platform, and the upper part of the guide rod extends out of the fixed seat of the furnace repairing platform and reaches the furnace mouth guardrail of the converter.

Further, the guide rod includes four steel pipes arranged in parallel.

Further, the movable seat of the furnace repairing platform includes: a sleeve sleeved on the guide rod.

Further, the connecting device is a pin shaft.

Further, the movable platform support frame is a rib arranged between the casing and the movable platform plate, and the rib is arranged obliquely.

Further, the number of the movable platform boards is four, and the four movable platform boards are perpendicular to the four steel pipes and surround the outside of the four steel pipes.

Further, the converter lining repair combined platform further includes: a central platform plate connected between the four movable platform plates or between the four steel pipes.

The utility model is fixed on the bottom wall of the converter by setting the fixed seat of the furnace repair platform, and the movable seat of the furnace repair platform can move up and down relative to the fixed seat of the furnace repair platform through the guide device, thereby completing the furnace repair work from bottom to top. The utility model has simple equipment composition, low processing and manufacturing costs, stable equipment performance, safe operation, economical and practical furnace repair.

Description of drawings

Fig. 1 is the structural representation of the converter lining repairing and building combined platform of the present utility model;

Explanation of reference numbers:

1-fixed seat of furnace repair platform; 2-movable seat of furnace repair platform; 3-central platform plate; 4-movable platform support frame;

5-movable platform plate; 6-pin shaft; 7-guide rod; 8-furnace guardrail; 9-converter; 10-furnace mouth

detailed description

In order to have a clearer understanding of the technical features, purposes and effects of the present utility model, the utility model is now described with reference to the accompanying drawings.

As shown in Fig. 1, the utility model proposes a converter lining repairing combined bench for repairing the furnace lining of the converter 9, and the converter lining repairing combined bench includes:

The fixed seat 1 of the furnace repair platform is located in the inner cavity of the converter 9 and is arranged on the bottom wall of the converter 9 to play a supporting role;

The guide device is located in the inner cavity of the converter 9, connected to the fixed seat 1 of the furnace repairing platform, and extends along the up and down direction of the converter;

The furnace repair platform movable seat 2 is the support structure of the furnace repair system, used to support the movable platform plate 5, located in the inner cavity of the converter 9, and is arranged on the guide device that can move up and down;

The movable platform plate 5 is located in the inner cavity of the converter 9, the movable platform plate 5 is horizontally arranged and connected to the movable seat 2 of the furnace repairing platform, and plays the role of a working platform;

The connection device is located in the inner cavity of the converter 9 and connected between the movable seat 2 of the furnace repairing platform and the guide device;

The movable platform support frame 4 is located in the inner cavity of the converter 9, and the movable platform support frame is arranged on the movable seat 2 of the furnace repairing platform and supports the movable platform plate. The movable platform support frame 4 can be welded by section steel, and is fixed around the movable platform seat, and is used to support the movable platform plate 5.

The utility model is fixed on the bottom wall of the converter by setting the fixed seat of the furnace repair platform, and the movable seat of the furnace repair platform can move up and down relative to the fixed seat of the furnace repair platform through the guide device, thereby completing the furnace repair work from bottom to top. The utility model has simple equipment composition, low processing and manufacturing costs, stable equipment performance, safe operation, economical and practical furnace repair.

Furthermore, the fixed seat 1 of the furnace repairing platform is a frame structure welded by steel pipes, which is convenient for fabrication and installation, and is economical and practical.

Further, the guide device is a guide rod 7, such as a vertically arranged straight rod, which can provide a track for the up and down movement of the furnace repair platform movable seat 2, and has a simple structure and low cost. Guide rod 7 is made up of steel pipes, is the support and guide structure of the furnace repair platform, stabilizes the furnace repair platform system through the fixed seat and the movable seat, and has a guiding effect on the support and the center platform plate.

Further, the bottom of the guide rod 7 is sheathed in the fixed seat 1 of the furnace repair platform, and the upper part of the guide rod 7 extends out of the fixed seat 1 of the furnace repair platform and reaches the guardrail 8 of the furnace mouth of the converter, That is, the guide rod 7 extends from the bottom of the converter 9 to the furnace mouth 10 to provide sufficient length for the movable seat 2 of the repairing furnace platform to move up and down.

Further, the guide rod 7 includes four steel pipes arranged in parallel, so as to provide stable support for the up and down movement of the movable seat 2 of the furnace repairing platform. The 4 steel pipe guide rods are stabilized by the fixed seat to meet the lifting and fixing requirements of the movable platform. For example, the four steel pipes form a rectangular arrangement, and the width of the rectangle is greater than 60 cm, so as to provide sufficient space for maintenance personnel.

Further, the movable seat 2 of the furnace repairing platform includes: a sleeve sleeved on the guide rod 7 , so that the movable seat 2 of the furnace repairing platform can quickly move on the guide rod 7 .

Further, the connecting device is a pin shaft 6 so as to realize quick connection and disassembly between the movable seat 2 of the furnace repairing platform and the guide rod 7 . The furnace repair movable seat is fixed on the guide rod through the pin shaft, which is easy to move and can realize the repair of furnace linings with different heights.

Further, the movable platform support frame 4 is a rib arranged between the casing and the movable platform board 5 , and the rib is arranged obliquely so that the movable platform board 5 can provide firm support.

Further, as shown in FIG. 1 , the number of the movable platform boards 5 is four, and the four movable platform boards are perpendicular to the four steel pipes and surround the outside of the four steel pipes. The boards of the movable platform are connected by bolts, which is convenient for disassembly, assembly and lifting, and is flexible and quick to use. Some furnace repairing materials or tools can be placed on the movable platform plate 5, and the movable platform plate 5 can increase the area of the working platform, which is convenient to the operation in two directions, on the outside of each guide rod.

Further, the combined platform for lining and repairing the converter further includes: a central platform plate 3 connected between the four movable platform plates 5 or between the four steel pipes or guide rods. The working platform is divided into a central platform board and a movable platform board, and the movable platform board is divided into 4 parts, which is convenient for lifting equipment into and out of the converter. The center platform plate 3 can stand people, and also can place some furnace repair materials or tools. The width, for example, is greater than 60cm, so as to realize the flexible operation of maintenance personnel. The central platform plate 3 is supported by the movable seat 2 of the furnace repairing platform.

The concrete operation steps that adopt the utility model to carry out operation are as follows:

Step 1: First, drive out the mobile smoke hood traverse trolley installed on the furnace mouth 10 of the converter, move it to the standby position, then hoist the platform fixing seat, platform guide rod, movable seat and central platform plate into the converter, and use the pin Fix the movable seat on the guide rod.

Step 2 Use a cantilever crane to lift the movable platform support frame and platform plate to the converter body, lay the movable platform plate, and connect two adjacent platform plates with bolts, the movable platform plate and the central platform plate form a working platform.

The third step is to put the furnace building materials and tools on the working platform. Furnace repair workers use the working platform to build the furnace and lift the furnace waste out through the cantilever.

Step 4 After the furnace lining is built to a certain height, the movable seat and platform are lifted by the cantilever crane, and after rising to a suitable height, the movable seat is fixed to the guide rod through the pin shaft, and the masonry is continued. Lift the movable seat and platform several times until the entire converter lining is completed.

In step 5, dismantle the relevant equipment of the furnace platform and lift it out of the converter, and the furnace construction work is over.

The above descriptions are only illustrative specific implementations of the present utility model, and are not intended to limit the scope of the present utility model. Because the components of this utility model can be combined with each other under the condition of no conflict, any equivalent changes and modifications made by any person skilled in the art without departing from the concept and principles of this utility model shall belong to this utility model. The scope of utility model protection.

Claims (10)

1. converter lining builds by laying a combination stand, is used for keeping in repair converter, it is characterised in that described converter lining is repaiied Build combination stand to include:

Repair stove platform and fix seat, be positioned in the inner chamber of converter, and be arranged on the diapire of converter；

Guider, is positioned in the inner chamber of converter, be connected to described in repair stove platform and fix on seat, and upper along converter Lower direction extends；

Repair stove platform activity seat, be positioned in the inner chamber of converter, and being arranged on described guider of can moving up and down；

Traverser plate, is positioned in the inner chamber of converter, and described traverser plate level arranges and repaiies stove described in being connected to On platform activity seat；

Attachment means, is positioned in the inner chamber of converter, and repaiies stove platform activity seat and described guider described in being connected to Between；

Traverser bracing frame, is positioned in the inner chamber of converter, traverser bracing frame be arranged on described in repair stove platform live Move on seat and support described traverser plate.

2. converter lining as claimed in claim 1 builds by laying combination stand, it is characterised in that described in repair stove platform solid Reservation is for be formed frame structure by steel-pipe welding.

3. converter lining as claimed in claim 1 builds by laying combination stand, it is characterised in that described guider is Guide post.

4. converter lining as claimed in claim 3 builds by laying combination stand, it is characterised in that the end of described guide post Portion repaiies stove platform and fixes in seat described in being set in, the top of described guide post extend described in repair stove platform and fix seat and arrive Reach the fire door guard rail position of converter.

5. converter lining as claimed in claim 3 builds by laying combination stand, it is characterised in that described guide post includes Be arranged in parallel four steel pipes.

6. converter lining as claimed in claim 3 builds by laying combination stand, it is characterised in that described in repair stove platform and live Dynamic seat includes: be set in the sleeve pipe on described guide post.

7. converter lining as claimed in claim 1 builds by laying combination stand, it is characterised in that described attachment means is Bearing pin.

8. converter lining as claimed in claim 6 builds by laying combination stand, it is characterised in that described traverser is propped up Support is the floor being arranged between described sleeve pipe and described traverser plate, and described floor is angularly disposed.

9. converter lining as claimed in claim 5 builds by laying combination stand, it is characterised in that described traverser plate Number be four, four vertical four described steel pipes of described traverser plate are also enclosed in outside four described steel pipes Side.

10. converter lining as claimed in claim 9 builds by laying combination stand, it is characterised in that described converter lining is repaiied Build combination stand also to include: central platform plate, be connected between four described traverser plates or be connected to four institutes State between steel pipe.