Grate support arrangement for a hot blast stove

Abstract

The utility model discloses a grate prop device for hot -blast furnace, including bottom plate, the upper surface vertical fixed connection of bottom plate has hollow pole, the surface of hollow pole is sleeved with fixed cylinder column, the top of fixed cylinder column is fixedly connected with the top plate, both ends of top plate upper surface are all detachably provided with fixed plate, the upper surface fixed connection of fixed plate has the joist seat, the utility model relates to grate prop technical field. The grate prop device for hot -blast furnace, through the staff twists first bolt, through the inner end embedding of first bolt in the inside of corresponding height's bayonet, can fix the combination height between fixed cylinder column and hollow pole, and the convenient adaptation different work demand carries out the support use, and through the joist seat can be dismantled, and according to different specifications joist seat, the convenient adaptation different specifications joist carries out the support use.

Description

Technical Field

[0001] This utility model relates to the field of grate support technology, specifically a grate support device for hot blast stoves. Background Technology

[0002] In the process of blast furnace ironmaking, high-temperature hot air needs to be blown into the furnace. The high-temperature hot air is provided by a specially set hot blast stove. The hot blast stove includes a furnace shell, combustion chamber, regenerator, support columns, furnace scale, etc. The furnace scale is supported by the support columns. All the checker bricks of the regenerator are supported on the support columns by the furnace scale. While supporting the checker bricks, the support columns and furnace scale must ensure smooth airflow, accelerate the heat exchange rate of the furnace scale, and reduce energy consumption. At present, the furnace scales of hot blast stoves widely used in ironmaking plants are either spherical or flat.

[0003] In the existing technology, the grate is supported by pillars during use. However, most of the existing grate support devices for hot blast stoves have simple structures and do not have the function of adjusting the height, so they cannot adjust the support height of the grate according to the blast furnace conditions. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a grate support device for hot blast stoves, which solves the problem that existing grate support devices for hot blast stoves lack height adjustment functionality and cannot adjust the grate support height according to the blast furnace conditions.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a grate support device for a hot blast stove, comprising a base plate, a hollow rod vertically fixedly connected to the upper surface of the base plate, a fixed cylinder slidably sleeved on the surface of the hollow rod, a top plate fixedly connected to the top of the fixed cylinder, fixed plates detachably installed at both ends of the upper surface of the top plate, and a support beam seat fixedly connected to the upper surface of the fixed plate;

[0006] The bottom of the front and rear sides of the fixed cylinder are provided with first bolts. The front and rear sides of the hollow rod are provided with several slots that are adapted to the first bolts. Pull blocks are fixedly connected to the upper part of both sides of the fixed cylinder. Several reinforcing ribs are fixedly connected between the upper surface of the base plate and the bottom end of the surface of the hollow rod.

[0007] Furthermore, the plurality of the bayonet slots are evenly spaced along the height direction of the hollow rod, and the plurality of the reinforcing ribs are evenly spaced in a ring along the surface of the hollow rod.

[0008] Furthermore, the upper surface of the fixing plate is provided with a plurality of second bolts, and the upper surface of the top plate is provided with a plurality of threaded holes adapted to the second bolts, and the plurality of threaded holes are evenly spaced and distributed along the width direction of the top plate.

[0009] Furthermore, the upper surface of the top plate and the top of the fixed cylindrical column are both provided with an upper opening that communicates with the inner cavity of the hollow rod, and the upper surface of the bottom plate is provided with a lower opening that communicates with the inner cavity of the hollow rod.

[0010] Furthermore, sliding blocks are fixedly connected to the lower parts of both sides of the hollow rod surface, and the inner wall of the base plate is provided with a sliding groove that matches the sliding block.

[0011] Furthermore, the surfaces of the base plate, the hollow rod, the fixed cylinder column, the top plate, the fixed plate, and the support beam seat are all coated with a primer layer, and the outer surface of the primer layer is coated with an anti-corrosion coating.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: by pulling the pull block, the fixed cylinder can be adjusted to move up and down on the surface of the hollow rod. After adjusting to the specified support height, the operator can turn the first bolt. After the inner end of the first bolt is inserted into the corresponding height slot, the combined height between the fixed cylinder and the hollow rod can be fixed, which is convenient for supporting different work needs. Moreover, the support beam is detachable, which is convenient for supporting different specifications of support beams. Furthermore, by inserting the second bolt into the threaded hole, the distance between the two support beams can be adjusted, which is convenient for using to meet different support needs. Attached Figure Description

[0013] Figure 1 This is a front structural diagram of the present invention;

[0014] Figure 2 This is a front sectional view of the present invention.

[0015] Figure 3 This is a schematic diagram of the structure of the fixed cylindrical column and the hollow rod in this utility model;

[0016] Figure 4 This is a schematic diagram of the top plate and the supporting beam in this utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the fixed cylinder and the primer layer in this utility model.

[0018] In the diagram: 1. Base plate; 2. Hollow rod; 3. Fixed cylinder column; 4. First bolt; 5. Clamp; 6. Pull block; 7. Top plate; 8. Fixed plate; 9. Support beam seat; 10. Second bolt; 11. Threaded hole; 12. Sliding block; 13. Slide groove; 14. Lower opening; 15. Upper opening; 16. Reinforcing rib; 17. Primer layer; 18. Anti-corrosion coating. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-5 This utility model provides a technical solution: a grate support device for a hot blast stove, including a base plate 1, a hollow rod 2 vertically fixedly connected to the upper surface of the base plate 1, a fixed cylinder 3 slidably sleeved on the surface of the hollow rod 2, a top plate 7 fixedly connected to the top of the fixed cylinder 3, and fixed plates 8 detachably installed at both ends of the upper surface of the top plate 7, and a support beam seat 9 fixedly connected to the upper surface of the fixed plate 8.

[0021] The bottom of the front and rear sides of the fixed cylinder 3 are provided with first bolts 4, and the front and rear sides of the hollow rod 2 are provided with several slots 5 that are compatible with the first bolts 4.

[0022] Pull blocks 6 are fixedly connected to the upper part of both sides of the fixed cylinder 3, and several reinforcing ribs 16 are fixedly connected between the upper surface of the base plate 1 and the bottom end of the surface of the hollow rod 2.

[0023] Pulling the lever 6 allows the fixed cylinder 3 to be adjusted and moved up and down on the surface of the hollow rod 2. After adjusting to the specified support height, the operator can twist the first bolt 4. After the inner end of the first bolt 4 is inserted into the corresponding height slot 5, the combined height between the fixed cylinder 3 and the hollow rod 2 can be fixed, making it easy to adapt to different work requirements for support.

[0024] The support beam 9 is detachable, making it easy to adapt to different specifications of support beams for support.

[0025] Multiple bayonets 5 are evenly spaced along the height direction of the hollow rod 2, and multiple reinforcing ribs 16 are evenly spaced in a ring along the surface of the hollow rod 2. The reinforcing ribs 16 strengthen the connection between the base plate 1 and the hollow rod 2, thereby improving the strength of the device and extending its service life.

[0026] The upper surface of the fixing plate 8 is provided with several second bolts 10, and the upper surface of the top plate 7 is provided with several threaded holes 11 that are compatible with the second bolts 10. The multiple threaded holes 11 are evenly spaced along the width direction of the top plate 7.

[0027] After the second bolt 10 is inserted into the threaded hole 11 with different internal dimensions, the distance between the two support beam seats 9 can be adjusted to meet different support requirements.

[0028] The top surface of the top plate 7 and the top of the fixed cylinder 3 are both provided with an upper opening 15 that communicates with the inner cavity of the hollow rod 2, and the upper surface of the bottom plate 1 is provided with a lower opening 14 that communicates with the inner cavity of the hollow rod 2.

[0029] Sliding blocks 12 are fixedly connected to the lower part of both sides of the hollow rod 2. The inner wall of the base plate 1 is provided with a sliding groove 13 that matches the sliding block 12. When the fixed cylinder 3 slides on the surface of the hollow rod 2, it can drive the sliding block 12 to slide in the inside of the sliding groove 13, thereby improving the stability of the fixed cylinder 3 during the telescopic movement.

[0030] The surfaces of the base plate 1, hollow rod 2, fixed cylinder column 3, top plate 7, fixed plate 8 and support beam seat 9 are all coated with a primer layer 17. The outer surface of the primer layer 17 is coated with an anti-corrosion coating 18. The primer layer 17 and the anti-corrosion coating 18 improve the corrosion resistance of the device and extend the service life of the device.

[0031] During operation, pulling the lever 6 allows the fixed cylinder 3 to be adjusted and moved up and down on the surface of the hollow rod 2. After adjusting to the specified support height, the operator can twist the first bolt 4. The inner end of the first bolt 4 is inserted into the corresponding height slot 5 to fix the combined height between the fixed cylinder 3 and the hollow rod 2. This facilitates support for different work requirements. Furthermore, the support beam seat 9 is detachable, allowing for support for different specifications of support beams.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A grate support device for a hot blast stove, comprising a base plate (1), characterized in that: A hollow rod (2) is vertically fixedly connected to the upper surface of the base plate (1). A fixed cylinder (3) is slidably sleeved on the surface of the hollow rod (2). A top plate (7) is fixedly connected to the top of the fixed cylinder (3). Fixed plates (8) are detachably installed at both ends of the upper surface of the top plate (7). A beam support (9) is fixedly connected to the upper surface of the fixed plate (8). The bottom of the front and rear sides of the fixed cylinder (3) are provided with first bolts (4), and the front and rear sides of the hollow rod (2) are provided with several slots (5) that are compatible with the first bolts (4). Pull blocks (6) are fixedly connected to the upper part of both sides of the fixed cylinder (3), and several reinforcing ribs (16) are fixedly connected between the upper surface of the base plate (1) and the bottom end of the surface of the hollow rod (2).

2. A grate support device for a hot blast stove according to claim 1, characterized in that: Multiple slots (5) are evenly spaced along the height direction of the hollow rod (2), and multiple reinforcing ribs (16) are evenly spaced in a ring along the surface of the hollow rod (2).

3. A grate support device for a hot blast stove according to claim 1, characterized in that: The upper surface of the fixing plate (8) is provided with a number of second bolts (10), and the upper surface of the top plate (7) is provided with a number of threaded holes (11) that are adapted to the second bolts (10). The multiple threaded holes (11) are evenly spaced along the width direction of the top plate (7).

4. A grate support device for a hot blast stove according to claim 1, characterized in that: The top surface of the top plate (7) and the top of the fixed cylinder (3) are both provided with an upper opening (15) that communicates with the inner cavity of the hollow rod (2), and the upper surface of the bottom plate (1) is provided with a lower opening (14) that communicates with the inner cavity of the hollow rod (2).

5. A grate support device for a hot blast stove according to claim 1, characterized in that: Sliding blocks (12) are fixedly connected to the lower part of both sides of the hollow rod (2), and the inner wall of the base plate (1) is provided with a sliding groove (13) that matches the sliding block (12).

6. A grate support device for a hot blast stove according to claim 1, characterized in that: The surfaces of the base plate (1), the hollow rod (2), the fixed cylinder column (3), the top plate (7), the fixed plate (8), and the support beam seat (9) are all coated with a primer layer (17), and the outer surface of the primer layer (17) is coated with an anti-corrosion coating (18).

Images