Crystalline salt removing device for sintering machine grate

Abstract

The utility model discloses a sintering machine grate bar crystal salt removing device which is arranged at one end of a sintering machine and comprises a supporting plate and a hardening separation assembly, and the hardening separation assembly is connected with the supporting plate through a plurality of telescopic stand columns. At least one hydraulic rod is arranged on the supporting plate, and the output end of the hydraulic rod abuts against the stand column. A cooling system is arranged on the face, close to the stand column, of the execution structure, the specific material separation device and the gas explosion injection device act on the surface of a no-load trolley grid section, crystalline salt on the surface of the grid section and in gaps is efficiently removed in a large area, and the specific material separation device can transfer energy between the grid section and the crystalline salt in the working process. Due to different inherent frequencies of the materials, the materials are loosened, and the loosened materials are further blown away from the grate bars under the repeated loading action of gas explosion blowing, so that the purpose of removing hardened materials is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sintering machines, in particular to a device for removing crystallized salt from a grate bar of a sintering machine. Background Art

[0002] The gaps between the grate bars are important airflow channels during the sintering process. Grate bar blockage will result in air obstruction in the furnace, limiting heat transfer and reducing the thermal effect of the combustion furnace, which will increase fuel loss and increase operating costs. Since the agglomerated parts cannot be completely sintered, the distribution and flow of materials in the furnace are limited, which will affect the output and quality of the sintered ore, thereby reducing production efficiency. The long-term existence of agglomeration will also cause deformation and wear of the grate bars, further affecting the normal operation of the equipment. If the furnace is shut down regularly to clean the agglomerates, replace or repair damaged grate bars and parts, additional work and material costs will be added.

[0003] At present, there are two main ways to clean the sintering furnace grate bars: manual cleaning and mechanical vibration. Among them, manual cleaning uses hard tools or electric hammers to remove materials on the grate bars at fixed points. During the cleaning process, there are defects such as the need to stop the trolley or the speed of the trolley cannot be kept up, resulting in reduced cleaning efficiency; mechanical vibration removes sticky sheet materials by periodically knocking the grate bars with a cylindrical vibrator. Since the grate bars move continuously with the trolley, when the vibrator diameter is too small, the vibrator is easy to get stuck in the gap between the grate bars, damaging the grate bars and the cleaning device. When the vibrator diameter is too large, it is easy to lift up multiple grate bars at the same time, and the purpose of cleaning cannot be achieved. At the same time, this method can only remove dense and loose plate materials, but has no effect on high-density and high-hardness crystalline salts, and cannot solve the core problem. In addition, the above two methods have a large impact force on the grate bars, which is easy to damage the autogenous organizational structure of the grate bars.

[0004] Therefore, the utility model provides a sintering machine grate bar de-crystallized salt device to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A sintering machine grate decrystallized salt device is arranged at one end of the sintering machine, and the device comprises a support plate and a plate-bound separation component, wherein the plate-bound separation component is connected to the support plate through a plurality of retractable columns; at least one hydraulic rod is arranged on the support plate, and the output end of the hydraulic rod abuts against the column;

[0007] A cooling system is provided on one side of the execution structure close to the column.

[0008] A further solution: the compaction separation assembly comprises a plurality of specific material separation actuators that are equally spaced, and gas explosion slag removal nozzles are provided between adjacent specific material separation actuators.

[0009] A further solution includes trusses which are arranged on both sides of the sintering machine.

[0010] A further solution is that the support plate slides on the truss.

[0011] A further solution includes a position sensor, which is electrically connected to the truss.

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

[0013] The utility model provides a sintering machine grate bar de-crystallized salt device, which is used for cleaning the compacted materials produced on the sintering machine grate bars in the sintering link during a long steelmaking process. A specific material separation device and a gas explosion blowing device are applied to the grate bar surface of an unloaded trolley, so that the crystallized salt on the grate bar surface and between the gaps can be removed over a large area and with high efficiency. The specific material separation device can transfer energy between the grate bars and the crystallized salt during operation. Due to the different natural frequencies between the materials, the materials will become loose. Under the repeated load of the gas explosion blowing, the loosened materials will be further blown away from the grate bars, thereby achieving the purpose of removing the compacted materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0015] Figure 1 This is a schematic diagram of the installation of a sintering machine grate bar de-crystallization salt device;

[0016] Figure 2 It is a structural schematic diagram of the plate separation component.

[0017] In the figure: 1. support plate; 2. plate separation assembly; 3. truss; 4. sintering grate; 21. hydraulic rod; 22. cooling system; 23. specific material separation actuator; 24. gas explosion slag removal nozzle. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1-2 In the embodiment of the utility model, a sintering machine grate de-crystallized salt device includes a support plate 1, a plate separation component 2 and a truss 3. According to the difference in physical properties between the bonding material and the grate material, the plate separation component 2 is used to separate the bonding material into loose materials, and the loose plate material is blown off the trolley to avoid secondary adhesion. This cleaning method will not damage the grate bars, nor will it cause secondary pollution to the materials.

[0021] like Figure 2 As shown, the compaction separation assembly 2 is composed of a hydraulic rod 21, a cooling system 22, a specific material separation actuator 23, and a gas explosion slag removal nozzle 24. During the working process, the installation position relationship is as follows Figure 1 shown.

[0022] During the working process, the compaction separation component 2 is installed after the trolley has dumped the materials, and it is flipped from the bottom to the top. When the in-position sensor senses that the trolley is at the specified position, it sends a signal to the truss 3. The truss 3 will control the compaction separation component 2 to act on the grate bars, and use the hydraulic rod 21 to apply appropriate pressure. An adaptive clamping mechanism is installed inside the specific material separation actuator 23, which can be tightly attached to the uneven grate bars; the compaction separation component 2 moves linearly synchronously with the trolley under the drive of the support plate 1, so that the compaction separation component 2 can always be in contact with the grate bars until the trolley enters the sintering area; after that, the compaction separation component 2 acts on the grate bars on the next trolley again, and the cycle is repeated to clean the grate bars on all trolleys.

[0023] The compaction separation component 2 is installed directly below the support plate 1. When the compaction separation component 2 contacts the grate bars, the specific material separation actuator 23 starts to work, contacts the grate bars and separates the crystallized salt loose on the grate bars. After a period of time, the gas explosion slag removal nozzle 24 blows away the loose crystallized salt to prevent the loose crystallized salt from re-sintering and re-solidifying. Then the support plate 1 drives the compaction separation component 2 to move to the next working position. Repeat the above process.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. A sintering machine grate bar de-crystallization salt device, arranged at one end of the sintering machine, characterized in that: The device comprises a support plate (1) and a hardening separation assembly (2), wherein the hardening separation assembly (2) is connected to the support plate (1) via a plurality of retractable columns; At least one hydraulic rod (21) is provided on the support plate (1), and the output end of the hydraulic rod (21) is in contact with the column; A cooling system (22) is provided on one side of the execution structure close to the column.

2. A sintering machine grate decrystallized salt device according to claim 1, characterized in that: The compaction separation component (2) comprises a plurality of specific material separation actuators (23) distributed at equal intervals, and gas explosion slag removal nozzles (24) are provided between adjacent specific material separation actuators (23).

3. The sintering machine grate decrystallization salt device according to claim 1, characterized in that: It also includes trusses (3) which are arranged on both sides of the sintering machine.

4. The sintering machine grate decrystallization salt device according to claim 3, characterized in that: The support plate (1) slides on the truss (3).

5. The sintering machine grate decrystallization salt device according to claim 3, characterized in that: It also comprises a position sensor, which is electrically connected to the truss (3).

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