Hearth head and tail scraping and deslagging device of steel rolling heating furnace

By designing a scraping and discharging device for the head and tail of the steel rolling furnace, and using an electric motor to drive the scraper to move in the slide chute, the problems of low slag discharge frequency and difficult operation of the heating furnace are solved, and automated slag discharge is achieved, which improves production efficiency and reduces safety risks.

CN223179304UActive Publication Date: 2025-08-01ANHUI HUACHUANG RAIL CO LTD
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Patent Information

Application Number
CN202422472104.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-08-01
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

The existing heating grates have low slag discharge frequency and are difficult to operate, which leads to accumulation of slag materials that affect production. At the same time, there are safety risks in manual operation.

Method used

A rolling furnace head and tail scraping device is designed, including support components, scrapers and slag collection vessels. The scraper is driven to move in the chute with an electric motor, and the scraper angle and position are adjusted in combination with the plug-in and gear system to realize automatic slag discharge.

Benefits of technology

It realizes efficient and automated slag discharge, reduces slag accumulation, improves production efficiency, and reduces manual operation risks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel rolling heating furnace hearth head-tail scraping deslagging device, and belongs to the technical field of heating furnace deslagging. The deslagging tool comprises a supporting assembly, a scraping plate and a slag collecting vessel, the supporting assembly is composed of a first support and a second support, the scraping plate is installed between the first support and the second support, fixing plates are fixedly connected to the outer surfaces of the first support and the second support, and the slag collecting vessel is arranged below the supporting assembly. The utility model solves the problems that the existing deslagging frequency is low, the deslagging is not in place, and the operation safety of personnel is easy to cause, provides a moving track for the scraping plate through the supporting component, and can move downwards along the sliding chute to complete the deslagging operation when the deslagging is needed, and the scraping plate can adjust the deslagging angle under the matching action of the electric motor and the plug-in, so that the deslagging efficiency is improved. And the distance between the scraper blade and the slag holes at the head and the tail of the hearth can be adjusted based on the matching of the electric rotating rod and the roller.
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Description

Technical Field

[0001] The utility model relates to the technical field of slag discharging of heating furnaces, in particular to a scraping and shifting slag discharging device for the head and tail of the hearth of a steel rolling heating furnace. Background Technique

[0002] In many steel processing operations, heating furnaces are required. The processing principle is a device that heats materials or workpieces to the rolling or forging temperature. Its heating link is an indispensable part of many steps, and the structures of heating furnaces vary according to different steel materials and processing requirements. During the slag discharging process, due to the relatively harsh environment and high usage frequency of the equipment, high-frequency slag discharging cannot be carried out. Therefore, according to different production conditions, slag is discharged once a year or once every six months, etc.

[0003] According to the above-mentioned slag discharging frequency and environment, it shows that the existing slag discharging frequency of heating furnaces is low and the operation is difficult, resulting in the accumulation of slag materials affecting the production of heating furnaces. At the same time, manual auxiliary operation is also prone to cause operation safety problems.

[0004] Therefore, a scraping and shifting slag discharging device for the head and tail of the hearth of a steel rolling heating furnace is proposed for the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a scraping and shifting slag discharging device for the head and tail of the hearth of a steel rolling heating furnace to solve the problems of low slag discharging frequency and difficult operation in the existing heating furnace as mentioned in the above background technique, which leads to the accumulation of slag materials affecting the production of heating furnaces, and at the same time, manual auxiliary operation is also prone to cause operation safety problems.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a scraping and shifting slag discharging device for the head and tail of the hearth of a steel rolling heating furnace, including a slag discharging tooling. The slag discharging tooling includes a support assembly, a scraper and a slag collecting dish. The support assembly is composed of a first bracket and a second bracket. The scraper is installed between the first bracket and the second bracket. Fixed plates are fixedly connected to the outer surfaces of the first bracket and the second bracket, and the slag collecting dish is arranged below the support assembly.

[0007] Preferably, mounting holes are opened in the fixed plates for mounting the slag discharging tooling at the head and tail of the heating furnace hearth.

[0008] Preferably, sliding grooves are opened on the inner surfaces of the first bracket and the second bracket, and limiting plates are arranged on the inner surfaces of the first bracket and the second bracket. Plug-ins are arranged on both the left and right sides of the scraper, and the arranged limiting plates can play a limiting role for the movement of the scraper.

[0009] Preferably, grooves are opened on the inner sides of the plug-ins, rollers are arranged in the grooves, and electric rotating rods are electrically connected to the rollers, which can play a role in driving the rollers. Tooth patterns two are arranged on both side surfaces of the scraper for the rollers to roll.

[0010] Preferably, electric motors are provided on the outer sides of the plugs for moving in the sliding grooves. On one side outside the electric motors, gears are electrically connected. Tooth patterns I are provided in the sliding grooves for the gears to roll. Under the action of the electric motors, the gears are engaged with the tooth patterns I so that they can move along the sliding grooves.

[0011] Preferably, an opening for discharging slag is formed in the slag collecting dish. A movable door panel is movably connected in the opening. One side in the slag collecting dish is set as a slope so that the slag after discharging can be unified and taken out from the opening.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The slag collecting dish and the support assembly of the present utility model can drive the scraper to move along the sliding grooves inside the first support and the second support so as to approach the slag outlet and smoothly hang the slag into the slag collecting dish located below the support assembly. Finally, the slag can be discharged through the slag collecting dish.

[0014] 2. The scraper of the present utility model adjusts the position of the scraper based on the plugs on both sides and the electric rotating rod, and combines the electric motors in the plugs to rotate the angle of the scraper, so that the scraper completes the slag scraping operation during slag discharging. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the slag discharging tooling of the present utility model;

[0016] Figure 2 is a schematic structural diagram of the scraper of the present utility model;

[0017] Figure 3 is a schematic structural diagram of the support of the present utility model;

[0018] Figure 4 is a schematic structural diagram of the plug of the present utility model;

[0019] Figure 5 is a schematic sectional structural diagram of the plug of the present utility model.

[0020] In the figure: 1. Support assembly; 101. First support; 102. Second support; 103. Sliding groove; 10301. Tooth pattern I; 2. Fixed plate; 201. Mounting hole; 3. Limiting plate; 4. Scraper; 401. Plug; 40101. Groove; 40102. Roller; 40103. Electric rotating rod; 402. Electric motor; 403. Gear; 404. Tooth pattern II; 5. Slag collecting dish; 501. Opening; 502. Movable door panel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] To solve the existing technical problems, please refer to Figures 1 to 5 and the following technical solutions are provided:

[0023] Embodiment 1

[0024] The slag scraping and shifting device at the head and tail of the furnace chamber of the rolling mill heating furnace of the present invention: includes a slag discharging tooling;

[0025] Among them, the slag discharging tooling includes a support assembly 1, a scraper 4 and a slag collecting dish 5. The support assembly 1 is composed of a bracket one 101 and a bracket two 102. The scraper 4 is installed between the bracket one 101 and the bracket two 102. Fixed plates 2 are fixedly connected to the outer surfaces of the bracket one 101 and the bracket two 102. The slag collecting dish 5 is arranged below the support assembly 1;

[0026] In addition, mounting holes 201 are opened in the fixed plates 2 for mounting the slag discharging tooling at the head and tail of the heating furnace chamber;

[0027] An opening 501 for discharging slag is opened in the slag collecting dish 5. A movable door plate 502 is movably connected in the opening 501. A hinge is provided on one side of the movable door plate 502 for connecting to a place on the inner side of the opening 501.

[0028] Embodiment 2

[0029] In order to ensure that the scraper 4 does not affect the normal use of the heating furnace during slag discharging, plugs 401 and gears 403 are provided;

[0030] For the above problems, sliding grooves 103 are opened on the inner side surfaces of the bracket one 101 and the bracket two 102 for the plugs 401 on both sides of the scraper 4 to slide up and down inside. Limit plates 3 are provided on the inner side surfaces of the bracket one 101 and the bracket two 102 for restricting the scraper 4. Plugs 401 are provided on both the left and right sides of the scraper 4;

[0031] Specifically, grooves 40101 are opened inside the plugs 401. Based on the grooves 40101, a moving space can be provided for the scraper 4. Rollers 40102 are provided in the grooves 40101. Electric rotating rods 40103 are electrically connected inside the rollers 40102. Tooth patterns two 404 are provided on both side surfaces of the scraper 4 for the rollers 40102 to roll under the drive of the electric rotating rods 40103, thereby changing the position of the scraper 4 so that it can be adjusted according to the distance from the slag outlet;

[0032] In addition, electric motors 402 are provided on the outer sides of the plug-ins 401 for controlling the rotation angle of the scraping plate 4, facilitating the adjustment of the angle according to the slag scraping requirements. A gear 403 is electrically connected to one side outside the electric motor 402. Tooth patterns 10301 are provided in the sliding grooves 103 for the gear 403 to engage with the tooth patterns 10301 to control the position of the scraping plate 4 in the sliding grooves 103. The electric motor 402 can also be used to control the entire slag discharging angle of the scraping plate 4.

[0033] Working principle: First, install the support assembly 1 at the slag discharge ports at the head and tail of the heating furnace hearth based on the two fixed plates 2 through the mounting holes 201. During use, control the equipment to start the electric motor 402 outside the plug-in 401 to drive the gear 403, so that the gear 403 rotates and meshes with the tooth patterns 10301, enabling the scraping plate 4 to move along the sliding grooves 103 on the inner sides of the support one 101 and the support two 102, and adjust the height according to the position of the slag outlet. When approaching the slag discharge port, the electric rotating rod 40103 in the plug-in 401 drives the roller 40102 to roll, so that the position of the roller 40102 is adjusted back and forth based on the tooth patterns 404 on both sides of the scraping plate 4, enabling the scraping plate 4 to complete the slag scraping operation. The scraped slag is scraped into the slag collecting dish 5 under the action of the scraping plate 4. After the temperature of the slag cools down, open the movable door panel 502 to discharge the slag from the opening 501.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. The slag removal device for scraping and shifting at the head and tail of the hearth of a rolling mill heating furnace, characterized in that, It includes a slag discharging tooling, and the slag discharging tooling includes a support assembly (1), a scraper (4) and a slag collecting dish (5). The support assembly (1) is composed of a first bracket (101) and a second bracket (102). The scraper (4) is installed between the first bracket (101) and the second bracket (102). Fixed plates (2) are fixedly connected to the outer surfaces of the first bracket (101) and the second bracket (102). The slag collecting dish (5) is arranged below the support assembly (1).

2. The slag scraping and shifting device at the head and tail of the hearth of the steel rolling heating furnace according to claim 1, wherein: Installation holes (201) are respectively formed in the fixed plates (2).

3. The slag scraping and shifting device at the head and tail of the furnace chamber of the steel rolling heating furnace according to claim 1, characterized in that: Chutes (103) are respectively formed in the inner side surfaces of the first bracket (101) and the second bracket (102). Limit plates (3) are respectively arranged on the inner side surfaces of the first bracket (101) and the second bracket (102). Plug-ins (401) are respectively arranged on the left and right sides of the scraper (4).

4. The slag removal device for scraping and shifting the head and tail of the furnace chamber of the steel rolling heating furnace according to claim 3, characterized in that: Grooves (40101) are respectively formed in the inner sides of the plug-ins (401). Rollers (40102) are respectively arranged in the grooves (40101). Electric rotating rods (40103) are electrically connected to the rollers (40102). Tooth patterns two (404) are respectively arranged on the two side surfaces of the scraper (4) for the rollers (40102) to roll on.

5. The slag discharging device for scraping and shifting the head and tail of the hearth of a steel rolling heating furnace according to claim 4, characterized in that: Electric motors (402) are respectively arranged on the outer sides of the plug-ins (401) for moving in the chutes (103). Gears (403) are electrically connected to one side of the outer sides of the electric motors (402). Tooth patterns one (10301) are respectively arranged in the chutes (103) for the gears (403) to roll on.

6. The slag scraping and shifting device at the head and tail of the hearth of the steel rolling heating furnace according to claim 1, characterized in that: An opening (501) for discharging slag is formed in the slag collecting dish (5). A movable door panel (502) is movably connected in the opening (501).