A high strength erosion resistant kr agitator paddle structure

Abstract

The utility model relates to the technical field of iron and steel metallurgy, and disclose a kind of high-strength KR agitator paddle structure of resisting erosion, the high-strength KR agitator paddle structure of resisting erosion, including support frame, stirring assembly is provided on the lifting mounting frame, the stirring assembly includes power motor.The high-strength KR agitator paddle structure of resisting erosion, in order to make the device satisfy high-strength, the stirring demand of resisting erosion, by being provided with stirring assembly, the component cooperation power motor drives straight rod stable rotation by connecting frame, coupling plate, work lining is wrapped straight rod, insulating material erosion, connecting block strengthens the connection strength of thick stirring paddle and straight rod, avoid the rupture of paddle when stirring molten iron material, thick stirring paddle guides material up and down circulation by multiple guide vanes, arc plate auxiliary material lateral dispersion, ensure that stirring is uniform, while the sharp head below conical stirring frame can relieve the impact force when stirring paddle is inserted into molten iron, reduce the bottom right angle abrasion.

Description

Technical Field

[0001] This utility model relates to the field of iron and steel metallurgy technology, specifically to a high-strength, corrosion-resistant KR agitator impeller structure. Background Technology

[0002] In the desulfurization process of molten iron in iron and steel metallurgy, the KR stirring desulfurization process has become the mainstream desulfurization technology due to its advantages such as high desulfurization efficiency, low desulfurizing agent consumption, and low metal loss. The KR stirrer impeller is the core execution component of this process, which directly determines the desulfurization effect and operational stability.

[0003] The KR agitator impeller structure consists of two core parts: an optimized internal steel structure and a high-strength, corrosion-resistant refractory castable layer. After the agitator impeller is inserted into the high-temperature molten iron, the optimized steel structure evenly disperses the stress, avoiding local stress overload. The refractory castable layer, with its excellent thermal shock stability and corrosion resistance, resists the scouring of molten iron and the shock of rapid cooling and heating, protecting the internal steel structure from corrosion.

[0004] However, the above-mentioned equipment has obvious shortcomings in use. The straight rod of the traditional KR agitator is mostly a smooth cylindrical structure without reinforcement design. When agitating high-viscosity materials, it is easy to bend when the torque exceeds the threshold, and the machine needs to be stopped for correction. At the same time, it is prone to cracking after long-term use, and the entire agitator rod needs to be replaced. In view of this, we propose a high-strength and corrosion-resistant KR agitator impeller structure. Utility Model Content

[0005] The purpose of this invention is to provide a high-strength, corrosion-resistant KR agitator impeller structure to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A high-strength, corrosion-resistant KR agitator impeller structure includes a support frame, a mixing tank being snapped onto the support frame, a lifting mounting frame being snapped onto the support frame, and a mixing assembly being mounted on the lifting mounting frame. The mixing assembly includes: A power motor is fixedly mounted on the lifting mounting frame. A connecting frame is fixedly mounted on the output end of the power motor. A coupling plate is fixedly mounted on the connecting frame. A straight rod is fixedly mounted on the coupling plate. A stirring core is fixedly installed at the bottom of the straight rod. A thick stirring paddle is fixedly installed on the stirring core. A guide groove is opened on the stirring blade of the thick stirring paddle. An arc plate is fixedly installed on the thick stirring paddle. A conical stirring frame is fixedly installed on the thick stirring paddle. A pointed tip is fixedly installed on the conical stirring frame. A working liner is fixedly installed on the straight rod. A connecting block is fixedly installed on the working liner.

[0007] In a further embodiment, multiple sets of the guide channel and the arc plate are provided, and the multiple sets of the arc plate are all positioned above the thick stirring paddle.

[0008] In a further embodiment, the conical stirring rack is positioned below the thick stirring paddle, and the pointed end is positioned below the conical stirring rack.

[0009] In a further embodiment, the thick stirring paddle and the arc plate are synchronously fixedly installed on the connecting block, and the stirring core is disposed inside the thick stirring paddle.

[0010] In a further embodiment, an auxiliary component is provided on the straight rod, the auxiliary component including an arc-shaped splash guard fixedly installed on the straight rod, a horizontal short rod fixedly installed on the straight rod, and a vertical stirring rod fixedly installed on the horizontal short rod.

[0011] In a further embodiment, multiple sets of the horizontal short rods and vertical stirring rods are provided, and the arc-shaped splash guard is positioned above the stirring tank.

[0012] In a further embodiment, both the horizontal short rod and the vertical stirring rod are positioned below the arc-shaped splash guard, and both the horizontal short rod and the vertical stirring rod are positioned above multiple sets of arc plates.

[0013] Compared with the prior art, this utility model provides a high-strength, corrosion-resistant KR stirrer impeller structure, which has the following beneficial effects: 1. The high-strength, corrosion-resistant KR agitator impeller structure is designed to meet the requirements of high-strength and corrosion-resistant mixing. It is equipped with a mixing component, which works with a motor to drive a straight rod to rotate stably via a connecting frame and coupling plate. The working liner covers the straight rod to isolate it from material corrosion. The connecting block strengthens the connection between the thick agitator and the straight rod, preventing the impeller from breaking when mixing molten iron. The thick agitator guides the material to circulate up and down through multiple sets of guide channels. The arc plate assists in the lateral dispersion of the material to ensure uniform mixing. At the same time, the pointed tip under the conical agitator frame can alleviate the impact force when the agitator is inserted into the molten iron and reduce the wear of the bottom right angle.

[0014] 2. The high-strength, corrosion-resistant KR mixer paddle structure is equipped with an auxiliary component to improve the uniformity of material mixing and the working environment in conjunction with the mixing components. This component, along with the arc-shaped splash guard, is fixed to the straight rod and located above the mixing tank to block highly corrosive materials splashed during mixing, preventing material from corroding the lifting and mounting frame or polluting the environment. At the same time, the horizontal short rod drives the vertical mixing rod to rotate below and above the arc-shaped splash guard, performing secondary mixing on the material above the thick mixing paddle and breaking up the crust on the material surface. Multiple sets of horizontal short rods and vertical mixing rods are symmetrically distributed to ensure that there are no dead corners in the mixing. Attached Figure Description

[0015] Figure 1This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of part of the structure of this utility model; Figure 3 This is a first-view schematic diagram of the stirring assembly structure of this utility model; Figure 4 This is a second-view schematic diagram of the stirring assembly structure of this utility model; Figure 5 This is a cross-sectional view of the stirring assembly structure of this utility model.

[0016] Explanation of icon numbers: 1. Support frame; 2. Mixing tank; 3. Lifting and mounting frame; 4. Mixing assembly; 41. Power motor; 42. Connecting frame; 43. Coupling plate; 44. Straight rod; 45. Mixing core; 46. Thick mixing paddle; 47. Guide channel; 48. Arc plate; 49. Conical mixing frame; 410. Point; 411. Working liner; 412. Connecting block; 5. Auxiliary components; 51. Arc-shaped splash guard; 52. Horizontal short rod; 53. Vertical stirring rod. Detailed Implementation

[0017] 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.

[0018] In this application, the term "above" indicates the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is primarily used to better describe this application and its embodiments, and is not intended to limit the indicated device, element, or component to having a specific orientation, or to construct and operate in a specific orientation. Furthermore, the term "above" may also be used in certain circumstances to indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances.

[0019] Please see Figures 1-5 This utility model provides a technical solution: A high-strength, corrosion-resistant KR agitator impeller structure includes a support frame 1, a mixing tank 2 which is snapped onto the support frame 1, and a lifting mounting frame 3 which is snapped onto the support frame 1.

[0020] In one embodiment of this utility model, a stirring assembly 4 is provided on the lifting mounting frame 3. The stirring assembly 4 includes a power motor 41, which is fixedly mounted on the lifting mounting frame 3. A connecting frame 42 is fixedly mounted on the output end of the power motor 41. A coupling plate 43 is fixedly mounted on the connecting frame 42. A straight rod 44 is fixedly mounted on the coupling plate 43. A stirring core 45 is fixedly mounted at the bottom of the straight rod 44. A thick stirring paddle 46 is fixedly mounted on the stirring core 45. A guide groove 47 is opened on the stirring blade of the thick stirring paddle 46. An arc plate 48 is fixedly mounted on the thick stirring paddle 46. A conical stirring frame 49 is fixedly installed on a thick stirring paddle 46. A pointed tip 410 is fixedly installed on the conical stirring frame 49. A working liner 411 is fixedly installed on a straight rod 44. A connecting block 412 is fixedly installed on the working liner 411. Multiple sets of guide channels 47 and arc plates 48 are provided. Multiple sets of arc plates 48 are all located above the thick stirring paddle 46. The conical stirring frame 49 is located below the thick stirring paddle 46. The pointed tip 410 is located below the conical stirring frame 49. The thick stirring paddle 46 and the arc plates 48 are synchronously fixedly installed on the connecting block 412. The stirring core 45 is located inside the thick stirring paddle 46.

[0021] In this embodiment, before stirring, the height of the stirring assembly 4 is adjusted by the lifting mounting frame 3, so that the thick stirring paddle 46 and the conical stirring frame 49 at the bottom of the straight rod 44 extend into the material in the stirring tank 2. The power motor 41 on the lifting mounting frame 3 is started, and its output end drives the straight rod 44 to rotate stably through the connecting frame 42 and the coupling plate 43. The coupling plate 43 can buffer the torque fluctuation during the power transmission process to ensure the smooth operation of the straight rod 44. At the same time, the working liner 411 on the surface of the straight rod 44 tightly wraps the straight rod 44, isolating the straight rod 44 from direct contact with corrosive materials such as molten iron, and preventing the rod body from being corroded and damaged. The connecting block 412 on the working liner 411 connects the thick stirring paddle 46 and the arc plate 49. 8. The paddle is firmly fixed to strengthen the connection between the paddle body and the straight rod 44, preventing the paddle body from breaking when stirring high-viscosity materials. The stirring core 45 at the bottom of the straight rod 44 provides core support for the thick stirring paddle 46. When the thick stirring paddle 46 rotates with the straight rod 44, multiple sets of guide grooves 47 on its stirring blades guide the material to circulate up and down along the grooves, avoiding the accumulation of material on both sides of the paddle blades. Multiple sets of arc plates 48 above the thick stirring paddle 46 rotate synchronously to disperse the material laterally, break up material agglomeration, and ensure uniform stirring. At the same time, the conical stirring frame 49 and the pointed tip 410 below the thick stirring paddle 46 can alleviate the impact force when the stirring paddle is inserted into molten iron, reduce the wear of the right-angle part at the bottom of the paddle body, and extend the service life.

[0022] In one embodiment of this utility model, an auxiliary component 5 is provided on the straight rod 44. The auxiliary component 5 includes an arc-shaped splash guard 51, which is fixedly installed on the straight rod 44. A horizontal short rod 52 is fixedly installed on the straight rod 44, and a vertical stirring rod 53 is fixedly installed on the horizontal short rod 52. Multiple sets of horizontal short rods 52 and vertical stirring rods 53 are provided. The arc-shaped splash guard 51 is located above the mixing tank 2, and the horizontal short rods 52 and vertical stirring rods 53 are located below the arc-shaped splash guard 51. The horizontal short rods 52 and vertical stirring rods 53 are located above multiple sets of arc plates 48.

[0023] In this embodiment, when the straight rod 44 rotates, it drives the arc-shaped splash guard 51 to rotate synchronously. The arc-shaped splash guard 51 is located above the mixing tank 2, which can effectively block highly corrosive materials splashed during the mixing process, avoid the materials from corroding the lifting and mounting frame 3 or polluting the surrounding equipment and environment, and protect the safety of the operators. At the same time, the multiple sets of horizontal short rods 52 on the straight rod 44 drive the vertical stirring rod 53 to rotate below the arc-shaped splash guard 51 and above the arc plate 48, and perform secondary stirring on the material above the thick stirring paddle 46.

[0024] All electrical components appearing in this application are electrically connected to the controller and 220V AC mains power. The controller is a conventional and known device that can control the motor 41. All standard parts used in this application can be purchased from the market. The specific connection methods of each part are all conventional methods such as riveting and welding that are mature in the prior art. In addition, the standard parts are all conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art.

[0025] It should be noted that the above electrical components are all existing technology products. Those skilled in the art should select, install, and complete the circuit debugging work according to the needs of use to ensure that each electrical appliance can work normally. The components are all general standard parts or components known to those skilled in the art. Their structure and principle can be known by those skilled in the art through technical manuals or conventional experimental methods. No specific restrictions are made here. The supporting structures of the hydraulic drive structure appearing in this application document, such as hydraulic tanks and hydraulic pumps, are existing equipment and will not be described in detail here.

[0026] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A high-strength, corrosion-resistant KR agitator impeller structure, comprising a support frame (1), a mixing tank (2) being snapped onto the support frame (1), and a lifting mounting frame (3) being snapped onto the support frame (1), characterized in that: The lifting mounting frame (3) is equipped with a stirring assembly (4), which includes: A power motor (41) is fixedly installed on the lifting mounting frame (3). A connecting frame (42) is fixedly installed at the output end of the power motor (41). A coupling plate (43) is fixedly installed on the connecting frame (42). A straight rod (44) is fixedly installed on the coupling plate (43). A stirring core (45) is fixedly installed at the bottom of the straight rod (44). A thick stirring paddle (46) is fixedly installed on the stirring core (45). A guide groove (47) is opened on the stirring blade of the thick stirring paddle (46). An arc plate (48) is fixedly installed on the thick stirring paddle (46). A conical stirring rack (49) is fixedly installed on the thick stirring paddle (46). A pointed head (410) is fixedly installed on the conical stirring rack (49). A working liner (411) is fixedly installed on the straight rod (44). A connecting block (412) is fixedly installed on the working liner (411).

2. The high-strength, corrosion-resistant KR agitator impeller structure according to claim 1, characterized in that: The guide channel (47) and the arc plate (48) are provided in multiple sets, and the multiple sets of the arc plate (48) are all located above the thick stirring paddle (46).

3. The high-strength, corrosion-resistant KR agitator impeller structure according to claim 1, characterized in that: The conical stirring rack (49) is located below the thick stirring paddle (46), and the pointed end (410) is located below the conical stirring rack (49).

4. The high-strength, corrosion-resistant KR agitator impeller structure according to claim 1, characterized in that: The thick stirring paddle (46) and the arc plate (48) are synchronously fixed on the connecting block (412), and the stirring core (45) is set inside the thick stirring paddle (46).

5. The high-strength, corrosion-resistant KR agitator impeller structure according to claim 1, characterized in that: An auxiliary component (5) is provided on the straight rod (44). The auxiliary component (5) includes an arc-shaped splash guard (51). The arc-shaped splash guard (51) is fixedly installed on the straight rod (44). A horizontal short rod (52) is fixedly installed on the straight rod (44). A vertical stirring rod (53) is fixedly installed on the horizontal short rod (52).

6. The high-strength, corrosion-resistant KR agitator impeller structure according to claim 5, characterized in that: Multiple sets of the horizontal short rod (52) and the vertical stirring rod (53) are provided, and the arc-shaped splash guard (51) is provided above the stirring tank (2).

7. The high-strength, corrosion-resistant KR agitator impeller structure according to claim 5, characterized in that: The horizontal short rod (52) and the vertical stirring rod (53) are both located below the arc-shaped splash guard (51), and the horizontal short rod (52) and the vertical stirring rod (53) are both located above the multiple sets of arc plates (48).

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