Heating furnace

Abstract

The utility model relates to a heating furnace, and relates to the technical field of heating furnaces, the heating furnace comprises a heating furnace body, a feeding table is erected at a feeding port of the heating furnace body, a mounting table is arranged on the side, away from the heating furnace body, of the feeding table, a mounting plate is slidably connected to the feeding table, and a plurality of conveying rollers are rotatably connected to the upper end of the mounting plate; a first pushing assembly used for pushing steel billets on the conveying rollers to one side of the heating furnace body is mounted on the mounting table, and a second pushing assembly used for pushing the mounting plate to one side of the heating furnace body is arranged on the mounting table. The heating furnace has the effect of reducing heat loss when steel billets are added into the heating furnace.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of heating furnaces, in particular to a heating furnace. BACKGROUND

[0002] The heating furnace is a kind of equipment commonly used in the metallurgical industry, and its types are various. The billet heating furnace is a kind of production equipment used for heating the primary rolled billet or continuous casting billet to a certain temperature distribution in the steel industry so as to perform subsequent rolling.

[0003] In the steel production, the energy consumption of the heating furnace accounts for a significant proportion of the total energy consumption, so improving the heating efficiency and reducing the energy consumption is of great significance to the energy saving of the entire steel industry. In the related technology, when the billets are added into the heating furnace, the single billet usually needs to be transported to the furnace mouth of the heating furnace first, and then the billets are sequentially pushed into the heating furnace through the hydraulic cylinder. In this process, the hydraulic cylinder needs to reciprocate, and the furnace mouth of the heating furnace needs to be kept open, so that a large amount of heat is lost from the heating furnace. CONTENT OF THE UTILITY MODEL

[0004] In order to reduce the heat loss of the heating furnace when the billets are added, the application provides a heating furnace.

[0005] The application provides a heating furnace adopting the following technical scheme:

[0006] A heating furnace comprises a heating furnace body, a feeding table is arranged at the feeding port of the heating furnace body, a mounting table is arranged on the side of the feeding table away from the heating furnace body, a mounting plate is slidably connected to the feeding table, a plurality of conveying rollers are rotatably connected to the upper end of the mounting plate, a first pushing assembly for pushing the billets on the conveying rollers to one side of the heating furnace body is arranged on the mounting table, and a second pushing assembly for pushing the mounting plate to one side of the heating furnace body is arranged on the mounting table.

[0007] By adopting the above technical scheme, the billets can be sequentially conveyed to the plurality of conveying rollers on the mounting plate, then the mounting plate is gradually moved to one side of the heating furnace body by controlling the second pushing assembly, so that the plurality of billets are arranged on the mounting plate, then the furnace door of the heating furnace body is opened, and then the plurality of billets are pushed into the heating furnace body by controlling the first pushing assembly. Thus, the billets can be concentrated at the inlet of the heating furnace, and the plurality of billets can be pushed into the heating furnace at one time by controlling the first pushing assembly after the concentration is completed. Therefore, the time for opening the furnace door is reduced, and the heat loss of the heating furnace when the billets are added is reduced.

[0008] Optionally, a mounting groove is formed in the upper end surface of the mounting plate opposite to the conveying roller, the conveying roller is rotatably connected in the mounting groove, and part of the arc surface of the conveying roller is arranged outside the mounting groove.

[0009] By adopting the technical scheme, the position of the conveying roller can be limited by the installation groove, and the stability of the conveying roller on the installation plate is improved.

[0010] Optionally, the first pushing assembly comprises a partition plate fixedly connected to the installation table, a plurality of first pushing hydraulic cylinders are fixedly connected to the upper end of the partition plate, the same pushing plate is fixedly connected to the end of the piston rod of the plurality of first pushing hydraulic cylinders, and the pushing plate is arranged above the conveying roller.

[0011] By adopting the technical scheme, the first pushing hydraulic cylinder can be controlled to drive the pushing plate to move to the side of the heating furnace body, and then the billets are conveyed into the heating furnace body.

[0012] Optionally, the second pushing assembly comprises a second pushing hydraulic cylinder, the second pushing hydraulic cylinder is fixedly connected to the upper end surface of the installation table, and the piston rod of the second pushing hydraulic cylinder is fixedly connected to the installation plate.

[0013] By adopting the technical scheme, the second pushing hydraulic cylinder can be directly driven to slide on the upper end of the feeding table by controlling the extension and retraction of the second hydraulic cylinder.

[0014] Optionally, the lower end of the installation plate is fixedly connected to a limiting block, the upper end surface of the feeding table opposite to the limiting block is provided with a limiting groove, and the limiting block is slidingly connected in the limiting groove.

[0015] By adopting the technical scheme, the sliding direction of the installation plate on the feeding table can be limited by the limiting block and the limiting groove, and the sliding stability of the installation plate on the feeding table is improved.

[0016] Optionally, a leveling hydraulic cylinder is fixedly connected to the adjusting platform, a leveling plate is fixedly connected to the end of the piston rod of the leveling hydraulic cylinder, and the end surface of the leveling plate is perpendicular to the pushing plate.

[0017] By adopting the technical scheme, the leveling plate can be driven to move by the leveling hydraulic cylinder, the end portions of the plurality of billets are abutted by the leveling plate, and the end portions of the billets are kept flush.

[0018] Optionally, a groove is arranged on the side of the feeding table close to the heating furnace body, a lifting plate is arranged above the groove, an abutting block is fixedly connected to the lifting plate, and a lifting assembly for driving the lifting plate to lift and lower is arranged at the lower end of the lifting plate.

[0019] By adopting the technical scheme, before the furnace door of the heating furnace body is opened, the lifting assembly can be controlled to drive the lifting plate to rise, then the first pushing hydraulic cylinder is controlled to abut the steel billets against the abutting block, then the lifting plate is controlled to descend, the furnace door is opened, and then the first pushing hydraulic cylinder is controlled to continue to extend to push the gathered steel billets into the heating furnace body, so that the pushing time of the first pushing hydraulic cylinder can be reduced.

[0020] Optionally, the lifting assembly comprises a plurality of lifting hydraulic cylinders, and piston rods of the lifting hydraulic cylinders are fixedly connected to lower ends of the lifting plate.

[0021] By adopting the technical scheme, the lifting hydraulic cylinders can be controlled to drive the lifting plate to rise and descend, so that the height of the abutting block can be quickly changed.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. The first pushing assembly is controlled to push the steel billets into the heating furnace body, so that the steel billets can be concentrated at the entrance of the heating furnace, and then the first pushing assembly is controlled to push the steel billets into the heating furnace at one time, so that the time for opening the furnace door is reduced, and the heat loss of the heating furnace when the steel billets are added is reduced.

[0024] 2. The sliding direction of the mounting plate on the feeding table can be limited by the limiting block and the limiting groove, and the sliding stability of the mounting plate on the feeding table is improved.

[0025] 3. Before the furnace door of the heating furnace body is opened, the lifting assembly can be controlled to drive the lifting plate to rise, then the first pushing hydraulic cylinder is controlled to abut the steel billets against the abutting block, then the lifting plate is controlled to descend, the furnace door is opened, and then the first pushing hydraulic cylinder is controlled to continue to extend to push the gathered steel billets into the heating furnace body. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a schematic view of the overall structure of an embodiment of the present application;

[0027] Figure 2 is a schematic view of the lifting assembly of an embodiment of the present application.

[0028] Explanation of reference signs: 1, heating furnace body; 2, feeding table; 21, limiting groove; 3, mounting table; 4, mounting plate; 41, conveying roller; 42, mounting groove; 43, limiting block; 5, first pushing assembly; 51, partition; 52, first pushing hydraulic cylinder; 53, pushing plate; 6, second pushing assembly; 61, second pushing hydraulic cylinder; 7, adjusting platform; 71, adjusting hydraulic cylinder; 72, adjusting plate; 8, lifting plate; 81, abutting block; 9, lifting assembly; 91, lifting hydraulic cylinder. DETAILED DESCRIPTION

[0029] The following will be described in detail with reference to the accompanying drawings. Figure 1 - the accompanying drawings Figure 2 The application is further described in detail.

[0030] The embodiment of the application discloses a heating furnace, which refers to Figure 1 , comprising a heating furnace body 1, a feeding table 2 is arranged at the feeding inlet of the heating furnace body 1. The feeding table 2 is in the shape of a cuboid, a mounting table 3 is arranged at the side of the feeding table 2 away from the heating furnace body 1, a mounting plate 4 is slidably connected to the feeding table 2, the mounting plate 4 is provided with a plurality of conveying rollers 41, and the plurality of conveying rollers 41 are equidistantly arranged along the length direction of the mounting plate 4. The upper end surface of the mounting plate 4 opposite to the conveying rollers 41 is provided with a mounting groove 42, and the conveying rollers 41 are rotationally connected in the mounting groove 42 and part of the arc surface of the conveying rollers 41 is arranged outside the mounting groove 42. Therefore, the billets conveyed to the feeding table 2 from the previous process can be arranged above the plurality of conveying rollers 41.

[0031] Referring to Figure 1 and Figure 2 , the mounting table 3 is provided with a first pushing assembly 5 for pushing the billets on the conveying rollers 41 to the side of the heating furnace body 1. The first pushing assembly 5 comprises a partition 51 fixedly connected to the mounting table 3, and a certain distance is formed between the partition 51 and the upper end surface of the mounting table 3. A plurality of first pushing hydraulic cylinders 52 are fixedly connected to the upper end of the partition 51, and two first pushing hydraulic cylinders 52 are arranged in the embodiment. The piston rod end of the plurality of first pushing hydraulic cylinders 52 is fixedly connected to the same pushing plate 53, and the end surface of the pushing plate 53 is perpendicular to the upper end surface of the feeding table 2. The pushing plate 53 is arranged above the conveying rollers 41.

[0032] The first pushing hydraulic cylinders 52 can be controlled to drive the pushing plate 53 to move to the side of the heating furnace body 1, so as to convey the billets into the heating furnace body 1.

[0033] The mounting table 3 is provided with a second pushing assembly 6 for pushing the mounting plate 4 to the side of the heating furnace body 1.

[0034] The second pushing assembly 6 comprises a second pushing hydraulic cylinder 61 fixedly connected to the upper end surface of the mounting table 3, and the piston rod of the second pushing hydraulic cylinder 61 is fixedly connected to the mounting plate 4.

[0035] The second pushing hydraulic cylinder 61 can directly drive the mounting plate 4 to slide on the upper end of the feeding table 2 by controlling the extension and retraction of the second hydraulic cylinder.

[0036] In order to improve the sliding stability of the mounting plate 4 on the feeding table 2, the lower end of the mounting plate 4 is fixedly connected to a limiting block 43, which is provided with two in this embodiment. A limiting groove 21 is formed in the upper end surface of the feeding table 2 of the limiting block 43, and the opening direction of the limiting groove 21 is parallel to the extension direction of the first pushing hydraulic cylinder 52. The limiting block 43 is slidingly connected in the limiting groove 21.

[0037] A leveling platform 7 is arranged on one side of the feeding table 2, and a leveling hydraulic cylinder 71 is fixedly connected to the leveling platform 7, which is provided with two. The same leveling plate 72 is fixedly connected to the piston rod end of the two leveling hydraulic cylinders 71, and the end surface of the leveling plate 72 is perpendicular to the pushing plate 53. Thus, the leveling plate 72 can be moved by the leveling hydraulic cylinder 71, so that the end of the plurality of billets is abutted, and the ends of the billets are kept flush.

[0038] A recess is arranged on the side of the feeding table 2 close to the heating furnace body 1, and a lifting plate 8 is arranged above the recess, and an abutting block 81 is fixedly connected to the lifting plate 8. The lower end of the lifting plate 8 is provided with a lifting assembly 9 for driving the lifting plate 8 to lift. The lifting assembly 9 comprises a plurality of lifting hydraulic cylinders 91, which are provided with two in this embodiment. The lifting hydraulic cylinders 91 are fixedly connected to the groove bottom of the recess, and the piston rod of the lifting hydraulic cylinders 91 is fixedly connected to the lower end of the lifting plate 8.

[0039] Before the furnace door of the heating furnace body 1 is opened, the lifting assembly 9 can be controlled to drive the lifting plate 8 to rise, and then the plurality of billets are abutted against the abutting block 81 by the first pushing hydraulic cylinder 52, and then the lifting plate 8 is controlled to descend, so that the furnace door is opened, and then the first pushing hydraulic cylinder 52 is controlled to continue to extend, so that the gathered billets are pushed into the heating furnace body 1, thereby reducing the pushing time of the first pushing hydraulic cylinder 52.

[0040] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, so that: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A heating furnace, comprising a heating furnace body (1), characterized in that: A feeding platform (2) is installed at the inlet of the heating furnace body (1). A mounting platform (3) is provided on the side of the feeding platform (2) away from the heating furnace body (1). A mounting plate (4) is slidably connected to the feeding platform (2). Multiple conveying rollers (41) are rotatably connected to the upper end of the mounting plate (4). A first pushing component (5) for pushing the steel billet on the conveying rollers (41) toward one side of the heating furnace body (1) is installed on the mounting platform (3). A second pushing component (6) for pushing the mounting plate (4) toward one side of the heating furnace body (1) is provided on the mounting platform (3).

2. A heating furnace according to claim 1, characterized in that: The upper surface of the mounting plate (4) opposite to the conveying roller (41) is provided with a mounting groove (42), the conveying roller (41) is rotatably connected in the mounting groove (42) and a part of the arc surface of the conveying roller (41) is placed outside the mounting groove (42).

3. A heating furnace according to claim 1, characterized in that: The first pushing component (5) includes a partition (51) fixedly connected to the mounting platform (3). A plurality of first pushing hydraulic cylinders (52) are fixedly connected to the upper end of the partition (51). The piston rod ends of the plurality of first pushing hydraulic cylinders (52) are fixedly connected to the same pushing plate (53). The pushing plate (53) is placed above the conveying roller (41).

4. A heating furnace according to claim 3, characterized in that: The second pushing component (6) includes a second pushing hydraulic cylinder (61), which is fixedly connected to the upper surface of the mounting platform (3), and the piston rod of the second pushing hydraulic cylinder (61) is fixedly connected to the mounting plate (4).

5. A heating furnace according to claim 1, characterized in that: The lower end of the mounting plate (4) is fixedly connected to a limiting block (43), and a limiting groove (21) is opened on the upper surface of the feeding platform (2) opposite to the limiting block (43). The limiting block (43) is slidably connected in the limiting groove (21).

6. A heating furnace according to claim 3, characterized in that: The feeding platform (2) is provided with an adjustment platform (7) on one side. A leveling hydraulic cylinder (71) is fixedly connected to the adjustment platform (7). An adjustment plate (72) is fixedly connected to the piston rod end of the leveling hydraulic cylinder (71). The end face of the adjustment plate (72) is perpendicular to the push plate (53).

7. A heating furnace according to claim 1, characterized in that: The feeding platform (2) has a groove on the side near the heating furnace body (1), and a lifting plate (8) is provided above the groove. An abutment block (81) is fixedly connected to the lifting plate (8), and a lifting component (9) is provided at the lower end of the lifting plate (8) for driving the lifting plate (8) to rise and fall.

8. A heating furnace according to claim 7, characterized in that: The lifting assembly (9) includes a plurality of lifting hydraulic cylinders (91), the piston rods of which are fixedly connected to the lower end of the lifting plate (8).

Images