Argon blowing device for preventing secondary oxidation of molten steel

Abstract

The utility model relates to the technical field of molten steel argon blowing, and discloses an argon blowing device for preventing secondary oxidation of molten steel, which comprises a supporting mechanism, a containing mechanism is fixedly arranged on the upper surface of the supporting mechanism, an argon blowing mechanism is clamped at the upper end of the containing mechanism, and an opening and closing mechanism is fixedly arranged at the upper end of the argon blowing mechanism. The upper end of the opening and closing mechanism is fixedly connected to the bottom end of the supporting mechanism. According to the argon blowing device, the argon blowing mechanism and the opening and closing mechanism are arranged at the upper end of the argon blowing device, when a user uses the argon blowing device, the argon blowing gun is combined with the vertical pipe and the annular pipe to blow argon to molten steel in the device, and the annular pipe located at the upper end of the interior of the device can form an argon protection layer in the cavity above the interior of the device; and the one-way exhaust valve is used for exhausting, so that secondary oxidation caused by contact with air during use of the device is prevented, and the overall practicability and use effect of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of argon blowing of molten steel, in particular to an argon blowing device for preventing secondary oxidation of molten steel. Background Art

[0002] The existing patent (publication number: CN219670550U) discloses that "the utility model discloses an argon blowing device, which relates to the technical field of earthquake-resistant steel bar smelting, including a support frame, a base and a ladle, the base is fixed on the support frame, the bottom of the ladle is inserted into the top of the base, lining bricks are arranged in the ladle, an opening is provided in the bottom of the ladle, air-permeable bricks are installed at the opening, and a diffuser cavity docked with the opening is provided in the base, a docking cover is elastically installed in the diffuser cavity, the docking cover abuts the lower port of the opening, a diffuser fan is installed at the top of the docking cover, a connecting pipe is vertically installed at the bottom of the docking cover, the lower end of the connecting pipe passes through the bottom of the base and is connected to an air pipe, and the air pipe is connected to an argon supply device. The utility model has a reasonable structure, which can enable argon gas to enter the ladle more evenly to blow argon into the molten iron. Compared with the existing technology, it can improve the argon blowing treatment effect, which is beneficial to ensure the quality of the cast earthquake-resistant steel bars."

[0003] During the process of realizing the utility model, the inventors found that the prior art had the following problems: when the existing devices are in use, the top is mostly directly open, and when in use, the molten steel on the top directly contacts the air, causing secondary oxidation, which affects the use effect of the device.

[0004] Therefore, the utility model provides an argon blowing device for preventing secondary oxidation of molten steel to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings existing in the prior art and proposes an argon blowing device for preventing secondary oxidation of molten steel. The argon blowing device is provided with an argon blowing mechanism and an opening and closing mechanism at the upper end thereof. When in use, the user can drive the sealing upper cover to rotate by rotating the motor, fix the sealing upper cover to the clamping ring above the containing tank by means of the clamping groove and the clamping buckle, blow argon to the molten steel in the device by means of the argon blowing gun in combination with the vertical tube and the annular tube, the annular tube located at the upper end inside the device can form an argon protective layer in the cavity above the inside of the device, improve the sealing performance of the device as a whole when in use, and exhaust the gas through the one-way exhaust valve, prevent the device from being secondary oxidized due to contact with air when in use, and improve the overall practicality and use effect of the device.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An argon blowing device for preventing secondary oxidation of molten steel comprises a supporting mechanism, a containing mechanism is fixedly arranged on the upper surface of the supporting mechanism, an argon blowing mechanism is clamped on the upper end of the containing mechanism, an opening and closing mechanism is fixedly arranged on the upper end of the argon blowing mechanism, and the upper end of the opening and closing mechanism is fixedly connected to the bottom end of the supporting mechanism;

[0008] The argon blowing mechanism comprises a sealing upper cover, a plurality of buckles are fixedly arranged around the bottom surface of the sealing upper cover, argon blowing guns are fixedly arranged on both sides of the upper surface of the sealing upper cover, vertical tubes are fixedly arranged at the bottom ends of the two argon blowing guns, and annular tubes are fixedly arranged at the upper and bottom ends of the two vertical tubes;

[0009] Through the above technical scheme, the support mechanism is used to facilitate the user to place the device as a whole for use. The containing mechanism is provided to facilitate the user to place the molten steel that needs to be blown with argon. The opening and closing mechanism is provided to facilitate the user to control the opening and closing of the device to prevent the secondary oxidation of the molten steel. The argon blowing mechanism is provided to facilitate the realization of the basic use functions of the device. The buckle is provided to facilitate the improvement of the sealing of the device connection. The argon blowing gun, the vertical tube and the annular tube are provided to facilitate the improvement of the uniformity of the argon blowing and prevent the secondary oxidation of the molten steel.

[0010] Furthermore, the support mechanism comprises a bottom plate, and support legs are fixedly arranged at four corners of the bottom end of the bottom plate;

[0011] The above technical solution is helpful to improve the placement stability of the entire device when it is in use.

[0012] Furthermore, a column is fixedly arranged at the middle position of one side of the bottom plate, and an upper cross bar is fixedly arranged at the upper end of the column;

[0013] The above technical solution is helpful to provide support for the overall use of the device.

[0014] Furthermore, the opening and closing mechanism comprises a telescopic rod, a motor box is fixedly arranged at the bottom end of the telescopic rod, and a rotating motor is fixedly arranged inside the motor box;

[0015] The above technical solution is conducive to realizing the rotation locking and up and down opening and closing functions of the device when it is used.

[0016] Furthermore, one-way exhaust valves are fixedly arranged at both sides of the middle of the upper end of the sealing upper cover, and blowing holes are opened on the surfaces of the two vertical tubes and the annular tube;

[0017] The above technical solution is helpful for the user to discharge the pressure in the device in time, thereby improving the safety of the device as a whole during use.

[0018] Furthermore, the containing mechanism comprises a containing tank, and a clamping ring is fixedly provided on the upper end of the containing tank;

[0019] The above technical solution makes it convenient for users to store molten steel that needs to be blown with argon.

[0020] Furthermore, a plurality of slots are provided at equal intervals on the upper surface of the clamping ring, and a discharge port is fixedly provided at the bottom end of one side of the containing tank;

[0021] The above technical solution is helpful to improve the sealing performance of the connections between the various structures of the device, making it easier for users to discharge the molten steel in the device.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model proposes an argon blowing device for preventing secondary oxidation of molten steel. Compared with the existing argon blowing device, the argon blowing device is provided with an argon blowing mechanism at its upper end. When using the device, the user can blow argon to the molten steel in the device through an argon blowing gun in combination with a vertical tube and an annular tube. The annular tube located at the upper end of the device can form an argon protective layer in the cavity above the device to prevent the molten steel from contacting with the air and generating secondary oxidation after the sealing upper cover is opened, thereby improving the overall use effect of the device.

[0024] 2. The utility model proposes an argon blowing device for preventing secondary oxidation of molten steel. Compared with the existing argon blowing device, the argon blowing device is provided with an opening and closing mechanism at the upper end thereof. When the user uses it, the sealing upper cover can be driven to rotate by rotating the motor, and the sealing upper cover can be fixed to the clamping ring above the containing tank through the card groove and the buckle, so as to improve the sealing performance of the whole device during use, and exhaust can be carried out through the one-way exhaust valve to prevent the secondary oxidation of the device due to contact with the air during use, thereby improving the overall practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is an axonometric schematic diagram of the utility model;

[0026] Figure 2 It is a front view schematic diagram of the utility model;

[0027] Figure 3 It is an axonometric schematic diagram of the argon blowing mechanism of the utility model;

[0028] Figure 4 It is an axonometric schematic diagram of the containing mechanism of the present utility model.

[0029] Legend:

[0030] 1. Support mechanism; 2. Opening and closing mechanism; 3. Argon blowing mechanism; 4. Holding mechanism; 101. Upper cross bar; 102. Vertical column; 103. Bottom plate; 104. Support leg; 201. Telescopic rod; 202. Motor box; 203. Rotating motor; 301. One-way exhaust valve; 302. Argon blowing gun; 303. Sealing upper cover; 304. Buckle; 305. Vertical tube; 306. Blowing hole; 307. Annular tube; 401. Card slot; 402. Snap ring; 403. Holding tank; 404. Exhaust port. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-2 , an embodiment provided by the utility model:

[0033] An argon blowing device for preventing secondary oxidation of molten steel comprises a supporting mechanism 1, characterized in that a containing mechanism 4 is fixedly arranged on the upper surface of the supporting mechanism 1, an argon blowing mechanism 3 is clamped on the upper end of the containing mechanism 4, an opening and closing mechanism 2 is fixedly arranged on the upper end of the argon blowing mechanism 3, and the upper end of the opening and closing mechanism 2 is fixedly connected to the bottom end of the supporting mechanism 1.

[0034] The supporting mechanism 1 comprises a bottom plate 103 , support legs 104 are fixedly arranged at the four corners of the bottom end of the bottom plate 103 , a column 102 is fixedly arranged at the middle position of one side of the bottom plate 103 , and an upper cross bar 101 is fixedly arranged at the upper end of the column 102 .

[0035] The support legs 104 are provided to improve the stability of the device as a whole when it is in use, and the uprights 102 and the upper crossbar 101 are provided to help realize the support function of the device as a whole when it is in use.

[0036] The opening and closing mechanism 2 comprises a telescopic rod 201 , a motor box 202 is fixedly arranged at the bottom end of the telescopic rod 201 , and a rotating motor 203 is fixedly arranged inside the motor box 202 .

[0037] The provision of the telescopic rod 201 facilitates the realization of the telescopic opening and closing function of the device when in use, and the provision of the motor box 202 and the rotating motor 203 facilitates the realization of the rotation locking and unlocking function of the device when in use.

[0038] Reference Figure 3-4 , an embodiment provided by the utility model:

[0039] The argon blowing mechanism 3 includes a sealing upper cover 303, a plurality of buckles 304 are fixedly arranged around the bottom surface of the sealing upper cover 303, argon blowing guns 302 are fixedly arranged on both sides of the upper surface of the sealing upper cover 303, vertical tubes 305 are fixedly arranged at the bottom ends of the two argon blowing guns 302, annular tubes 307 are fixedly arranged at the upper and bottom ends of the two vertical tubes 305, one-way exhaust valves 301 are fixedly arranged at both sides of the middle of the upper end of the sealing upper cover 303, and blowing holes 306 are opened on the surfaces of the two vertical tubes 305 and the annular tube 307.

[0040] The buckle 304 is provided to improve the sealing effect of the device as a whole when it is used. The argon blowing gun 302 is provided to realize the basic use function of the device. The vertical tube 305 is provided to facilitate the user to perform argon blowing operation through the device. The annular tube 307 is provided to form an argon protective layer above the device when the device is used to avoid secondary oxidation of molten steel. The one-way exhaust valve 301 is provided to prevent the internal pressure of the device from being too high and causing danger.

[0041] The containing mechanism 4 comprises a containing tank 403 , a clamping ring 402 is fixedly provided on the upper end of the containing tank 403 , a plurality of clamping grooves 401 are formed at equal intervals on the upper surface of the clamping ring 402 , and a discharge port 404 is fixedly provided on the bottom end of one side of the containing tank 403 .

[0042] It is convenient for users to place molten steel, which is beneficial to improving the sealing performance of the entire device when it is used.

[0043] Working principle: When the device is in use, the user needs to move the device to a suitable position first, and drive the sealed upper cover 303 to rotate by rotating the motor 203, so that the buckle 304 is disengaged from the card slot 401, and the telescopic rod 201 is contracted to open the sealed upper cover 303, add molten steel into the containing tank 403, extend the telescopic rod 201, and drive the sealed upper cover 303 to rotate by rotating the motor 203, and close the sealed upper cover 303. After closing, open the argon blowing gun 302, and blow argon into the molten steel through the blowing holes 306 on the surface of the vertical tube 305 and the annular tube 307 to achieve argon blowing. The annular tube 307 at the upper end can form an argon protective layer above the device to avoid secondary oxidation caused by subsequent opening of the cover. During the argon blowing process, the one-way exhaust valve 301 can be opened to discharge the pressure in the device in time. After the argon blowing is completed, open the sealed upper cover 303, open the exhaust port 404, and discharge the molten steel.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An argon blowing device for preventing secondary oxidation of molten steel, comprising a supporting mechanism (1), characterized in that: A containing mechanism (4) is fixedly arranged on the upper surface of the supporting mechanism (1); an argon blowing mechanism (3) is clamped on the upper end of the containing mechanism (4); an opening and closing mechanism (2) is fixedly arranged on the upper end of the argon blowing mechanism (3); and the upper end of the opening and closing mechanism (2) is fixedly connected to the bottom end of the supporting mechanism (1); The argon blowing mechanism (3) comprises a sealing upper cover (303), a plurality of buckles (304) are fixedly arranged around the bottom surface of the sealing upper cover (303), argon blowing guns (302) are fixedly arranged on both sides of the upper surface of the sealing upper cover (303), vertical tubes (305) are fixedly arranged at the bottom ends of the two argon blowing guns (302), and annular tubes (307) are fixedly arranged at the upper and lower ends of the two vertical tubes (305).

2. The argon blowing device for preventing secondary oxidation of molten steel according to claim 1, characterized in that: The support mechanism (1) comprises a bottom plate (103), and support legs (104) are fixedly arranged at the four corners of the bottom end of the bottom plate (103).

3. The argon blowing device for preventing secondary oxidation of molten steel according to claim 2, characterized in that: A column (102) is fixedly arranged at the middle position of one side of the bottom plate (103), and an upper cross bar (101) is fixedly arranged at the upper end of the column (102).

4. The argon blowing device for preventing secondary oxidation of molten steel according to claim 1, characterized in that: The opening and closing mechanism (2) comprises a telescopic rod (201), a motor box (202) is fixedly arranged at the bottom end of the telescopic rod (201), and a rotating motor (203) is fixedly arranged inside the motor box (202).

5. The argon blowing device for preventing secondary oxidation of molten steel according to claim 1, characterized in that: One-way exhaust valves (301) are fixedly arranged at both sides of the middle of the upper end of the sealing upper cover (303), and blowing holes (306) are opened on the surfaces of the two vertical tubes (305) and the annular tube (307).

6. The argon blowing device for preventing secondary oxidation of molten steel according to claim 1, characterized in that: The containing mechanism (4) comprises a containing tank (403), and a clamping ring (402) is fixedly provided on the upper end of the containing tank (403).

7. The argon blowing device for preventing secondary oxidation of molten steel according to claim 6, characterized in that: The upper surface of the clamping ring (402) is provided with a plurality of clamping grooves (401) at equal intervals, and a discharge port (404) is fixedly provided at the bottom end of one side of the containing tank (403).

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