Device for improving calcium treatment effect of molten steel

Abstract

The utility model relates to the technical field of molten steel calcium treatment, and discloses a device for improving the molten steel calcium treatment effect, which comprises a support plate and support legs fixedly connected to the bottom end of the support plate, a rotating mechanism is arranged at the top end of the support plate, and a crushing mechanism is arranged above the rotating mechanism. A double-shaft motor is started to drive a gear and a gear ring to rotate, when the gear ring rotates, the graphite guide pipe can be driven to rotate, meanwhile, when the graphite guide pipe rotates, a connecting rotary disc can be driven to rotate, and therefore balls are driven to move in limiting rolling grooves; and the graphite guide pipe drives the stirring blades to rotate during rotation, and the molten steel can be stirred and flows through the stirring blades, so that small silicon-calcium wires can be fully blended with the molten steel, and the calcium treatment effect of the molten steel is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of molten steel calcium treatment, and in particular relates to a device for improving the effect of molten steel calcium treatment. Background Art

[0002] By feeding calcium silicon wire into molten steel, the purpose is to change the composition of molten steel inclusions, improve the cleanliness of molten steel, and thus improve the castability of molten steel. The application of calcium treatment technology not only helps deep deoxidation and removes residual oxygen and metal oxides in molten steel, but also changes the morphology of high-melting-point aluminum oxide inclusions to form low-melting-point calcium-aluminum compounds, which is conducive to the removal of aluminum oxides and improves the cleanliness of molten steel.

[0003] A search of CN211112080U disclosed a device for improving the calcium treatment effect of molten steel. The device uses a graphite conduit as an intermediate medium for the calcium feeding wire, which will not cause material loss, will not affect the quality of the molten steel, and has a simple structure. In addition, a hydraulic lifting device is used to achieve the overall lifting of the graphite conduit, wire feeding machine and other structures, so that the calcium feeding wire has good stability and the structure has good durability.

[0004] The device directly passes the calcium wire through the graphite tube to contact the molten steel, thereby achieving the purpose of calcium treatment. The calcified material that reacts with the molten steel will accumulate near the graphite tube and cannot fully contact and fuse with the molten steel in other parts, which will reduce the calcium treatment effect on the molten steel and reduce the treatment quality.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the above technical problems that the device directly passes the calcium wire through the graphite conduit to contact the molten steel, so as to achieve the purpose of calcium treatment, the calcified material that reacts with the molten steel will accumulate near the graphite conduit and cannot fully contact and fuse with the molten steel in other parts, which will reduce the calcium treatment effect on the molten steel and reduce the treatment quality, the basic concept of the technical solution adopted by the utility model is:

[0007] A device for improving the calcium treatment effect of molten steel, comprising a support plate;

[0008] A support leg is fixedly connected to the bottom end of the support plate, a rotating mechanism is arranged at the top end of the support plate, a crushing mechanism is arranged above the rotating mechanism, and the rotating mechanism includes a hydraulic cylinder fixedly connected to the top end of the support plate:

[0009] The output end of the hydraulic cylinder is fixedly connected to a connecting plate, the top of the connecting plate is fixedly connected to a fixing plate, the inside of the fixing plate is fixedly connected to a dual-axis motor, the bottom output end of the dual-axis motor is fixedly connected to a gear, the outer wall of the connecting plate away from the hydraulic cylinder is fixedly connected to a support frame, the inner wall of the support frame is provided with a rotating groove, the inner wall of the rotating groove is rotatably connected to a connecting turntable, the upper and lower ends of the connecting turntable are fixedly connected to connecting support columns, the end of the connecting support column away from the connecting turntable is movably provided with a ball, the inner wall of the rotating groove is provided with a limited rolling groove, the ball is rollingly arranged on the inner wall of the limited rolling groove, the inner wall of the connecting turntable is fixedly connected to a graphite conduit, the outer wall of the top of the graphite conduit is fixedly connected to a gear ring, the gear ring is meshed with the gear, and the outer wall of the end of the graphite conduit away from the gear ring is fixedly connected to a stirring blade.

[0010] As a preferred embodiment of the utility model, the crushing mechanism includes a crushing frame fixedly connected to the top of the connecting plate, a material guide plate fixedly connected to the bottom end of the inner wall of the crushing frame, a rotating rod fixedly connected to the top output end of the dual-axis motor, and a crushing knife fixedly connected to the outer wall of the rotating rod.

[0011] As a preferred embodiment of the present invention, the number of the stirring blades is four, and the stirring blades are symmetrically distributed on the outer wall of the graphite tube in pairs, and the material of the stirring blades is the same graphite material.

[0012] As a preferred embodiment of the utility model, the number of the connecting support columns and the number of the balls are both eight, and the connecting support columns and the balls are distributed at the upper and lower ends of the connecting turntable in a vertically symmetrical structure.

[0013] As a preferred embodiment of the present invention, the outer wall of the connecting turntable fits snugly with the inner wall of the rotating groove.

[0014] As a preferred embodiment of the present utility model, a discharge trough is provided at the bottom end of the inner wall of the crushing frame on one side of the guide plate.

[0015] As a preferred embodiment of the utility model, the outer wall of the rotating rod movably penetrates the material guide plate and the crushing frame.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model starts the hydraulic cylinder first, and its output end will drive the connecting plate and the graphite conduit to move downward, so that the graphite conduit extends into the molten steel, and then the crushed silicon calcium wire will fall into the graphite conduit. By starting the double-axis motor, its bottom output end will drive the gear to rotate, and when the gear rotates, it can drive the gear ring to rotate, and when the gear ring rotates, it can drive the graphite conduit to rotate. At the same time, when the graphite conduit rotates, it will drive the connecting turntable to rotate, thereby driving the ball to move in the limit rolling groove, thereby reducing the friction of the graphite conduit during the rotation process. When the graphite conduit rotates, it drives the stirring blade to rotate, and the stirring blade can stir the molten steel to flow, so that the small pieces of silicon calcium wire and the molten steel can be fully integrated, thereby improving the calcium treatment effect of the molten steel.

[0018] According to the utility model, the calcium silicon wire is put into the crushing frame through the feeding port at the top thereof, and as the double-axis motor rotates, the top output end thereof will drive the rotating rod to rotate, and when the rotating rod rotates, the crushing knife will be driven to rotate, and the calcium silicon wire can be crushed and cut by the crushing knife. The crushed and cut calcium silicon wire will be transported to a feeding trough on one side through a material guide plate, and then fall into the graphite conduit through the feeding trough, so that the calcium treatment effect on the molten steel can be further improved.

[0019] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In the attached picture:

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the top plan structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the rotating mechanism of the utility model;

[0024] Figure 4 It is a partial structural schematic diagram of the rotating mechanism of the utility model;

[0025] Figure 5 It is a schematic diagram of the cross-sectional structure of the pulverizing mechanism of the utility model.

[0026] In the figure: 1. support plate; 2. support leg; 31. rotating mechanism; 311. hydraulic cylinder; 312. connecting plate; 313. fixing plate; 314. dual-axis motor; 315. gear; 316. support frame; 317. rotating groove; 318. connecting turntable; 319. connecting support column; 3110. ball; 3111. graphite conduit; 3112. gear ring; 3113. stirring blade; 3114. limiting rolling groove; 32. crushing mechanism; 321. crushing frame; 322. guide plate; 323. rotating rod; 324. crushing knife. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0028] like Figures 1 to 5 As shown, a device for improving the calcium treatment effect of molten steel comprises a support plate 1, a support leg 2 fixedly connected to the bottom end of the support plate 1, a rotating mechanism 31 is arranged at the top of the support plate 1, a crushing mechanism 32 is arranged above the rotating mechanism 31, the rotating mechanism 31 comprises a hydraulic cylinder 311 fixedly connected to the top end of the support plate 1, a connecting plate 312 is fixedly connected to the output end of the hydraulic cylinder 311, a fixing plate 313 is fixedly connected to the top of the connecting plate 312, a dual-axis motor 314 is fixedly connected inside the fixing plate 313, a gear 315 is fixedly connected to the output end of the dual-axis motor 314, a support frame 316 is fixedly connected to the outer wall of the connecting plate 312 away from the hydraulic cylinder 311, and the support frame 316 A rotating groove 317 is provided on the inner wall, and a connecting turntable 318 is rotatably connected to the inner wall of the rotating groove 317. Connecting support columns 319 are fixedly connected to the upper and lower ends of the connecting turntable 318. A ball 3110 is movably provided on the end of the connecting support column 319 away from the connecting turntable 318. A limited rolling groove 3114 is provided on the inner wall of the rotating groove 317. The ball 3110 is rollingly arranged on the inner wall of the limited rolling groove 3114. A graphite conduit 3111 is fixedly connected to the inner wall of the connecting turntable 318. A gear ring 3112 is fixedly connected to the outer wall of the top end of the graphite conduit 3111. The gear ring 3112 is meshed with the gear 315. A stirring blade 3113 is fixedly connected to the outer wall of the end of the graphite conduit 3111 away from the gear ring 3112.

[0029] Furthermore, there are four stirring blades 3113, which are symmetrically distributed on the outer wall of the graphite tube 3111 in pairs. The stirring blades 3113 are made of graphite. The molten steel and the silicon-calcium wire can be fully mixed and stirred by the stirring blades 3113. At the same time, the high temperature resistance of the stirring blades 3113 can be improved by setting the material of the stirring blades 3113 to graphite material.

[0030] Furthermore, the number of connecting support columns 319 and balls 3110 are eight, and the connecting support columns 319 and balls 3110 are distributed at the upper and lower ends of the connecting turntable 318 in an upper and lower symmetrical structure. In this way, the upper and lower four corners of the connecting turntable 318 can be supported synchronously and evenly, thereby further improving the stability of the connecting turntable 318 during rotation.

[0031] Furthermore, the outer wall of the connecting turntable 318 fits snugly with the inner wall of the rotating groove 317, thus ensuring the stability of the connecting turntable 318 during rotation.

[0032] The crushing mechanism 32 includes a crushing frame 321 fixedly connected to the top of the connecting plate 312, a guide plate 322 fixedly connected to the bottom of the inner wall of the crushing frame 321, a rotating rod 323 fixedly connected to the top output end of the dual-axis motor 314, and a crushing knife 324 fixedly connected to the outer wall of the rotating rod 323.

[0033] Furthermore, a discharging trough is provided at the bottom end of the inner wall of the crushing frame 321 on one side of the guide plate 322, through which the crushed and cut calcium silicon wire can be discharged and fall into the graphite conduit 3111 to react with the molten steel for calcium treatment.

[0034] Furthermore, the outer wall of the rotating rod 323 movably penetrates the material guide plate 322 and the crushing frame 321 , so that the rotating rod 323 can drive the crushing knife 324 to rotate, thereby crushing and cutting the silicon-calcium wire inside the crushing frame 321 .

[0035] The implementation principle of the device for improving the calcium treatment effect of molten steel in this embodiment is as follows: first, the hydraulic cylinder 311 is started, and its output end will drive the connecting plate 312 and the graphite conduit 3111 to move downward, so that the graphite conduit 3111 extends into the molten steel, and then the crushed calcium silicon wire will fall into the graphite conduit 3111, and the dual-axis motor 314 is started, and its bottom output end will drive the gear 315 to rotate, and when the gear 315 rotates, it can drive the gear ring 3112 to rotate, and when the gear ring 3112 rotates, The graphite tube 3111 can be driven to rotate. Meanwhile, the rotation of the graphite tube 3111 will drive the connecting turntable 318 to rotate, thereby driving the ball 3110 to move in the limiting rolling groove 3114, thereby reducing the friction of the graphite tube 3111 during rotation. The graphite tube 3111 drives the stirring blade 3113 to rotate when rotating. The stirring blade 3113 can stir the molten steel, so that small pieces of silicon calcium wire can be fully integrated with the molten steel, thereby improving the calcium treatment effect of the molten steel.

[0036] The calcium silicon wire is put into the crushing frame 321 through the feeding port at the top thereof. As the dual-axis motor 314 rotates, the top output end thereof will drive the rotating rod 323 to rotate. When the rotating rod 323 rotates, the crushing knife 324 will be driven to rotate. The calcium silicon wire can be crushed and cut by the crushing knife 324. The crushed and cut calcium silicon wire will be transported to the discharge trough on one side through the guide plate 322, and then fall into the graphite conduit 3111 through the discharge trough, so as to further improve the calcium treatment effect on the molten steel.

Claims

1. A device for improving the calcium treatment effect of molten steel, comprising a support plate (1); The support leg (2) is fixedly connected to the bottom end of the support plate (1), characterized in that: A rotating mechanism (31) is disposed at the top of the support plate (1), a crushing mechanism (32) is disposed above the rotating mechanism (31), and the rotating mechanism (31) comprises a hydraulic cylinder (311) fixedly connected to the top of the support plate (1): The output end of the hydraulic cylinder (311) is fixedly connected to a connecting plate (312), the top of the connecting plate (312) is fixedly connected to a fixing plate (313), the inside of the fixing plate (313) is fixedly connected to a dual-axis motor (314), the bottom output end of the dual-axis motor (314) is fixedly connected to a gear (315), the outer wall of the connecting plate (312) away from the hydraulic cylinder (311) is fixedly connected to a support frame (316), the inner wall of the support frame (316) is provided with a rotating groove (317), the inner wall of the rotating groove (317) is rotatably connected to a connecting rotating disk (318), and the upper and lower ends of the connecting rotating disk (318) are fixedly connected to connecting supports. The connecting support column (319) is provided with a ball (3110) movably at one end of the connecting support column (319) away from the connecting rotating disk (318); a limit rolling groove (3114) is provided on the inner wall of the rotating groove (317); the ball (3110) is rollingly arranged on the inner wall of the limit rolling groove (3114); a graphite tube (3111) is fixedly connected to the inner wall of the connecting rotating disk (318); a gear ring (3112) is fixedly connected to the outer wall of the top end of the graphite tube (3111); the gear ring (3112) is meshed with the gear (315); and a stirring blade (3113) is fixedly connected to the outer wall of one end of the graphite tube (3111) away from the gear ring (3112).

2. The device for improving the calcium treatment effect of molten steel according to claim 1, characterized in that: The pulverizing mechanism (32) comprises a pulverizing frame (321) fixedly connected to the top of the connecting plate (312), a guide plate (322) fixedly connected to the bottom end of the inner wall of the pulverizing frame (321), a rotating rod (323) fixedly connected to the top output end of the dual-axis motor (314), and a pulverizing knife (324) fixedly connected to the outer wall of the rotating rod (323).

3. The device for improving the calcium treatment effect of molten steel according to claim 1, characterized in that: The number of the stirring blades (3113) is four, and the stirring blades (3113) are symmetrically distributed on the outer wall of the graphite tube (3111) in pairs, and the material of the stirring blades (3113) is the same as graphite material.

4. The device for improving the effect of calcium treatment of molten steel according to claim 1, characterized in that: The number of the connecting support columns (319) and the number of the balls (3110) are both eight, and the connecting support columns (319) and the balls (3110) are distributed at the upper and lower ends of the connecting turntable (318) in pairs in an upper and lower symmetrical structure.

5. The device for improving the effect of calcium treatment of molten steel according to claim 1, characterized in that: The outer wall of the connecting rotating disk (318) fits snugly with the inner wall of the rotating groove (317).

6. The device for improving the effect of calcium treatment of molten steel according to claim 2, characterized in that: The crushing frame (321) is provided with a material discharge groove at the bottom end of the inner wall on one side of the material guide plate (322).

7. The device for improving the effect of calcium treatment of molten steel according to claim 2, characterized in that: The outer wall of the rotating rod (323) movably penetrates the material guide plate (322) and the crushing frame (321).

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