CN-121994040-A - Electromagnetic stirring device at side of refining furnace and stirring method thereof

CN121994040ACN 121994040 ACN121994040 ACN 121994040ACN-121994040-A

Abstract

The invention provides an electromagnetic stirring device at the furnace side of a refining furnace and a stirring method thereof, which relate to the technical field of electromagnetic metallurgical equipment and comprise a stable shielding part, an electromagnetic stirring part, a position control part and a multifunctional cooling part; the molten steel moving part is arranged on the ground; the stable shielding part is arranged on the molten steel moving part; the invention relates to a ladle refining furnace, which comprises a ladle refining furnace, a trolley, a position control part, four stabilizing grooves, four circular stabilizing rods, a position control part, a multifunctional cooling part, a four-dimensional stabilizing rod, a control part and a control part.

Inventors

ZHANG KAI
YIN TENGFEI
DING YAN
SHEN YANCONG
SHEN CHANGHUA
SHU QING
SONG QIBO
DENG HUAN

Assignees

湖南科美达电气股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260211

Claims (10)

1. A refining furnace side electromagnetic stirring device comprises a molten steel moving part (100), a stable shielding part (200), an electromagnetic stirring part (300), a position control part (400), a multifunctional cooling part (500) and an electric control unit (600), wherein the molten steel moving part (100) is installed on the ground, the stable shielding part (200) is installed on the molten steel moving part (100), the stable shielding part (200) is used for positioning the molten steel moving part (100), the stable shielding part (200) is also used for assisting shielding molten steel in the molten steel moving part (100), the electromagnetic stirring part (300) is installed on the ground, the electromagnetic stirring part (300) is located on the left side and the right side of the molten steel moving part (100), the electromagnetic stirring part (300) is used for stirring molten steel in the molten steel moving part (100), the position control part (400) is installed on the electromagnetic stirring part (300), the position control part (400) is used for limiting the electromagnetic stirring part (100) and the electromagnetic stirring part (300), the multifunctional cooling part (500) is installed on the ground and the electromagnetic stirring part (300), the electromagnetic stirring part (300) is also used for assisting shielding molten steel in the molten steel moving part (100), the electromagnetic stirring part (300) is located on the left side and the right side of the molten steel moving part (100), the electromagnetic stirring part (300) is located on the left side, and the electromagnetic stirring part (300) is used for stirring part, and the electromagnetic stirring part is used for limiting the electromagnetic stirring part, and the electromagnetic part (300, and the electromagnetic stirring part is used for and the electromagnetic stirring part An electromagnetic stirring part (300) and a multifunctional cooling part (500).
2. The refining furnace side electromagnetic stirring device according to claim 1, wherein the molten steel moving part (100) comprises two linear rails a (101), two moving trolleys (102) and a refining furnace ladle (103), wherein the two linear rails a (101) are fixedly arranged on the ground, the moving trolleys (102) are arranged on the two linear rails a (101), four stabilizing grooves (1021) and two groups of control round holes (1022) are formed in the moving trolleys (102), the moving trolleys (102) are electrically connected with an electric control unit (600), and the refining furnace ladle (103) is slidably arranged on the moving trolleys (102).
3. The refining furnace side electromagnetic stirring device according to claim 2, wherein the stable shielding part (200) comprises four circular stabilizer bars (201), four circular reset plates (202), four supporting springs a (203) and shielding rings (204), wherein the four circular stabilizer bars (201) are arranged on the refining furnace ladle (103) in a sliding mode, the outer ends of the four circular stabilizer bars (201) are inserted into corresponding stabilizing grooves (1021), the four circular reset plates (202) are arranged in total, the four circular reset plates (202) are fixedly arranged outside the four circular stabilizer bars (201), the four supporting springs a (203) are arranged in total, the four supporting springs a (203) are sleeved outside the four circular stabilizer bars (201), the four supporting springs a (203) are located on the outer sides of the four circular reset plates (202), and the shielding rings (204) are arranged on the top end of the refining furnace ladle (103) in a sliding mode.
4. The refining furnace side electromagnetic stirring device according to claim 3, wherein the stable shielding part (200) further comprises two L-shaped connecting frames (205), two arc-shaped stress frames (206) and special-shaped pushing frames (207), wherein the two L-shaped connecting frames (205) are arranged on the refining furnace ladle (103) in a sliding mode, the top ends of the two L-shaped connecting frames (205) are fixedly connected with the shielding circular ring (204), the arc-shaped stress frames (206) are arranged in two in total, the two arc-shaped stress frames (206) are fixedly arranged at the bottoms of the two L-shaped connecting frames (205), the two special-shaped pushing frames (207) are arranged in two in total, the two special-shaped pushing frames (207) are fixedly arranged on the inner sides of the two arc-shaped stress frames (206), and the bottom ends of the two special-shaped pushing frames (207) are in contact with the four circular stabilizer bars (201).
5. The electromagnetic stirring device on the furnace side of a refining furnace according to claim 2, wherein the electromagnetic stirring portion (300) comprises a linear rail b (301), a rotary trolley (302) and a traveling wave trolley (303), wherein the linear rail b (301) is provided with four in total, the four linear rails b (301) are fixedly arranged on the ground, the rotary trolley (302) is arranged on two linear rails b (301) on the left side, the rotary trolley (302) is electrically connected with an electric control unit (600), the traveling wave trolley (303) is arranged on two linear rails b (301) on the right side, and the traveling wave trolley (303) is electrically connected with the electric control unit (600).
6. The electromagnetic stirring device on the furnace side of the refining furnace according to claim 5, wherein the electromagnetic stirring portion (300) further comprises a rotary electromagnetic stirrer (304) and a traveling wave electromagnetic stirrer (305), the rotary electromagnetic stirrer (304) is mounted on a rotary trolley (302) and is electrically connected with an electric control unit (600), the traveling wave electromagnetic stirrer (305) is mounted on a traveling wave trolley (303), and the traveling wave electromagnetic stirrer (305) is electrically connected with the electric control unit (600).
7. The refining furnace side electromagnetic stirring device according to claim 5, wherein the position control part (400) comprises two position control rods (401), limit cylinders (402) and movable stabilizing heads (403), wherein the two position control rods (401) are fixedly arranged on the rotary trolley (302) and the traveling wave trolley (303), the left position control rod (401) is inserted into the control round hole (1022), the two limit cylinders (402) are fixedly arranged on the two position control rods (401), the left limit cylinders (402) are in contact with the movable trolley (102), the four movable stabilizing heads (403) are slidably arranged on the two position control rods (401), and the left two movable stabilizing heads (403) are in contact with the movable trolley (102).
8. The refining furnace side electromagnetic stirring device according to claim 7, wherein the position control part (400) further comprises two supporting springs b (404), two detecting switches a (405) and two detecting switches b (406), wherein the two supporting springs b (404) are arranged on the inner sides of the four limit cylinders (402), the two detecting switches a (405) are arranged on the two position control rods (401) in a total mode, the two detecting switches a (405) are fixedly arranged on the two position control rods (401) and are electrically connected with the electric control unit (600), the two detecting switches b (406) are arranged on the two limit cylinders (402) in a total mode, the two detecting switches b (406) are electrically connected with the electric control unit (600), and the detecting switches b (406) on the left side are in a pressing state.
9. The refining furnace side electromagnetic stirring device according to claim 6, wherein the multifunctional cooling part (500) comprises a water cooling assembly (501), water cooling pipelines (502), an air cooling assembly (503), air pipes (504) and an air expander (505), wherein the water cooling assembly (501) is installed on the ground, the water cooling assembly (501) is electrically connected with an electric control unit (600), two groups of water cooling pipelines (502) are arranged, one group of water cooling pipelines (502) is installed on the water cooling assembly (501) and a rotary electromagnetic stirrer (304), the other group of water cooling pipelines (502) is installed on the water cooling assembly (501) and the traveling wave electromagnetic stirrer (305), the two air cooling assemblies (503) are arranged, the two air cooling assemblies (503) are fixedly installed on a rotary trolley (302) and the traveling wave trolley (303), the two air pipes (504) are arranged, inner ends of the two air pipes (504) are fixedly installed on the two air cooling assemblies (503), and the two air expanders (505) are fixedly installed on the two air expander (505).
10. A refining furnace side electromagnetic stirring method using the refining furnace side electromagnetic stirring device according to claim 9, characterized by comprising the following steps: 1), controlling the moving trolley (102) to move through the electronic control unit (600) so that the ladle (103) of the refining furnace moves to a position to be stirred; 2) The rotary trolley (302) and the traveling wave trolley (303) are controlled to move through the electric control unit (600); 3) Starting the water cooling assembly (501) and the two groups of air cooling assemblies (503) through the electric control unit (600); 4) When the rotary electromagnetic stirrer (304) is close to the ladle (103) of the refining furnace, the electric control unit (600) transmits exciting current to the rotary electromagnetic stirrer (304), and the travelling wave electromagnetic stirrer (305) generates a rotary magnetic field to enable molten steel in the ladle (103) of the refining furnace to flow in a rotary way; 5) When the traveling wave electromagnetic stirrer (305) is close to the refining furnace ladle (103), the electric control unit (600) transmits exciting current to the traveling wave electromagnetic stirrer (305), and the traveling wave electromagnetic stirrer (305) generates a traveling wave magnetic field to push molten steel in the refining furnace ladle (103) to flow from bottom to top; 6) When the rotary electromagnetic stirrer (304) and the traveling wave electromagnetic stirrer (305) are close to the ladle (103) of the refining furnace at the same time, the electric control unit (600) simultaneously transmits exciting current to the rotary electromagnetic stirrer (304) and the traveling wave electromagnetic stirrer (305), and the rotary electromagnetic stirrer (304) and the traveling wave electromagnetic stirrer (305) generate spiral magnetic fields to spirally upwards flow molten steel in the ladle (103) of the refining furnace; 7) And waiting for the completion of stirring of the molten steel in the ladle (103) of the refining furnace.

Description

Electromagnetic stirring device at side of refining furnace and stirring method thereof Technical Field The invention belongs to the technical field of electromagnetic metallurgical equipment, and particularly relates to an electromagnetic stirring device at the furnace side of a refining furnace and a stirring method thereof. Background The refining furnace steelmaking technology is one of the main methods of short-flow steelmaking in modern steelworks, and mainly comprises molten steel temperature control, component control, cleanliness control and the like, so as to provide molten steel meeting the requirements for continuous casting; the non-contact stirring can effectively mix the whole melt of the refining furnace, accelerate the melting of alloy elements, clean molten steel, homogenize the chemical components and the temperature of the molten steel after one period of stirring, improve the cleanliness and shorten the refining time. The existing electromagnetic stirring device has the following problems that 1, an auxiliary structure is generally lacking, shaking is easy to occur between a ladle of a refining furnace and a trolley when molten steel is stirred, auxiliary shielding cannot be performed when the ladle of the refining furnace is lifted, 2, the multifunctional cooling of the rotary electromagnetic stirrer and the traveling wave electromagnetic stirrer cannot be performed, the cooling effect of the rotary electromagnetic stirrer and the traveling wave electromagnetic stirrer is affected, and 3, when the ladle of the refining furnace and the rotary electromagnetic stirrer or the traveling wave electromagnetic stirrer have position deviation, workers cannot be automatically prompted, the stirring effect of the molten steel is affected, and the trolley is easy to move when the molten steel is stirred. Disclosure of Invention The embodiment of the disclosure relates to a refining furnace side electromagnetic stirring device and a stirring method thereof, wherein the device comprises a molten steel moving part, a stable shielding part, an electromagnetic stirring part, a position control part and a multifunctional cooling part, wherein four stable grooves and four circular stabilizer bars are arranged to enable a refining furnace ladle to be in a stable state after being connected with a mobile trolley, so that the stability of the refining furnace ladle is higher when molten steel is subjected to electromagnetic stirring, a water cooling assembly and two groups of water cooling pipelines are arranged to perform a liquid cooling function on an electromagnetic stirrer and a travelling wave electromagnetic stirrer, when the two air cooling assemblies work, gas in the two air cooling assemblies is discharged through two wind expanders, the gas flow rate outside the refining furnace ladle is accelerated, the air cooling effect is achieved, when one or two detection switches a are in a pressing state, an alarm in an electronic control unit emits alarm sound, the two position control bars are not concentric with the two groups of control circular holes, a worker can conveniently properly adjust the position of the mobile trolley, and the problems that the refining furnace ladle and the mobile trolley are easy to shake when the molten steel is stirred, the electromagnetic stirrer cannot be assisted when the refining furnace ladle is lifted, and the electromagnetic stirrer cannot automatically perform the automatic shielding operation, and the travelling wave stirrer cannot be easily moved when the mobile trolley is likely to move when the position of the refining furnace ladle is subjected to be cooled, and the travelling wave stirrer cannot be easily moved when the electromagnetic stirrer is easy to move. The first aspect of the disclosure provides an electromagnetic stirring device on a furnace side of a refining furnace, which comprises a molten steel moving part, a stable shielding part, an electromagnetic stirring part, a position control part, a multifunctional cooling part and an electric control unit, wherein the molten steel moving part is installed on the ground, the stable shielding part is installed on the molten steel moving part and used for positioning the molten steel moving part, the stable shielding part is also used for assisting in shielding molten steel in the molten steel moving part, the electromagnetic stirring part is installed on the ground, the electromagnetic stirring part is positioned on the left side and the right side of the molten steel moving part and used for stirring the molten steel in the molten steel moving part, the position control part is installed on the electromagnetic stirring part and used for limiting the molten steel moving part and the electromagnetic stirring part, the multifunctional cooling part is installed on the ground and the electromagnetic stirring part and used for cooling the electromagnetic stirring part, and the electric control unit is insta