CN211005481U - Vacuum degassing furnace - Google Patents

Vacuum degassing furnace Download PDF

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Publication number
CN211005481U
CN211005481U CN201922026879.8U CN201922026879U CN211005481U CN 211005481 U CN211005481 U CN 211005481U CN 201922026879 U CN201922026879 U CN 201922026879U CN 211005481 U CN211005481 U CN 211005481U
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Prior art keywords
vacuum chamber
ladle
vacuum
steel
cover plate
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CN201922026879.8U
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Chinese (zh)
Inventor
郑宏升
郑艳
张静
赵新卫
张参军
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Jiyuan Fengyuan Machinery Manufacturing Co ltd
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Jiyuan Fengyuan Machinery Manufacturing Co ltd
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  • Treatment Of Steel In Its Molten State (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The utility model belongs to vacuum degassing furnace field, concretely relates to vacuum degassing furnace. The device comprises a steel ladle, an argon gas inlet, a vacuum chamber, a vacuum pump, a sealing cover plate, a suction pipe, a discharge pipe, a condenser, a high-temperature-resistant coating and heat insulation layer, an observation hole, a heating device, an exhaust pipe, a dust collector, vacuum chamber mobile equipment and a dust collector II. The sealing cover plate is connected to the upper part of the steel ladle through a flange and used for sealing the steel ladle, ensuring the temperature in the steel ladle and preventing heat loss. The lower part of the vacuum chamber is connected with a suction pipe and a discharge pipe, and the suction pipe and the discharge pipe penetrate through the sealing cover plate and are inserted into molten steel in the ladle. The condenser is located the side of real empty room lower part, and the condenser is connected with the dust catcher, can be with the gas cooling and the dust removal of production to prevent environmental pollution, the utility model relates to a vacuum degassing stove realizes vacuum degassing stove service environment environmental protection health, has effectively prevented the heat and has run off, thereby practices thrift manufacturing cost.

Description

Vacuum degassing furnace
Technical Field
The utility model belongs to vacuum degassing furnace field, concretely relates to vacuum degassing furnace.
Background
The vacuum degassing treatment has been developed for 40 years, and the refining function is continuously expanded, so that the vacuum degassing treatment is changed into a multifunctional treatment device from a simple degassing device. The fast treatment features make it possible to match with the fast speed of converter, and the vacuum circulating treatment is especially suitable for fast treatment of great amount of molten steel and may be matched satisfactorily with large capacity arc furnace or converter. Because of the advantages of the vacuum circulation treatment method, the method becomes one of the fastest-developed external refining equipment at present.
The gas and dust produced by the existing vacuum degassing furnace pollute the environment, the environment of an operation room is poor, and the ladle is open to cause heat loss and waste, so the vacuum degassing furnace can effectively solve the technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vacuum degassing furnace can realize vacuum degassing furnace service environment environmental protection health, reduces calorific loss to reduction in production cost.
The purpose of the utility model is realized with the following mode:
a vacuum degassing furnace comprises a steel ladle, an argon gas inlet, a vacuum chamber, a vacuum pump, a sealing cover plate, a suction pipe, a discharge pipe, a condenser, a high-temperature-resistant coating, a heat-insulating layer, an observation hole, a heating device, an exhaust pipe, a dust collector, vacuum chamber mobile equipment and a dust collector II. The argon inlet is positioned at the bottom of the steel ladle and used for inputting argon into the steel ladle; the sealing cover plate is connected to the upper part of the steel ladle through a flange and is used for sealing the steel ladle; the outer wall of the vacuum chamber is provided with an observation hole, which is convenient for observing the degassing condition of the molten steel; the vacuum pump is positioned on the side surface of the upper part of the vacuum chamber and is used for achieving the vacuum environment of the vacuum chamber; the condenser is positioned on the side surface of the lower part of the vacuum chamber, and the condenser is connected with a dust collector and can cool and remove dust of generated gas; the vacuum chamber, the ladle and the inner wall of the sealing cover plate are provided with a high-temperature resistant coating and a heat insulation layer for ensuring the temperature in the ladle; the heating device is used for heating or insulating the molten steel in the steel ladle and ensuring the temperature of the molten steel in the steel ladle; the vacuum chamber moving equipment can be hoisting equipment and the like, and can freely move the vacuum chamber, so that the labor is saved.
And the argon inlet is positioned at the bottom of the ladle and used for inputting argon into the ladle.
The sealing cover plate is connected to the upper part of the steel ladle through a flange and used for sealing the steel ladle, ensuring the temperature in the steel ladle and preventing heat loss.
And the suction pipe and the discharge pipe are connected below the vacuum chamber and inserted into molten steel in the ladle through the sealing cover plate.
The condenser is positioned on the side surface of the lower part of the vacuum chamber, and the condenser is connected with a dust collector, so that the generated gas can be cooled and dedusted, and the environmental pollution is prevented.
The heating device is used for heating or preserving heat of molten steel in the steel ladle and ensuring the temperature of the molten steel in the steel ladle, and the heating device is used for heating by a graphite electrode.
Compared with the prior art, the utility model discloses a lead to argon gas in to the molten steel from the ladle bottom, can play the stirring effect to the molten steel, and then even molten steel temperature, even molten steel composition, increase and are taken out the molten steel area to improve the decarbonization and degas, make the inclusion collision come-up in the molten steel simultaneously. The sealing cover plate is connected to the upper part of the steel ladle through the flange and used for sealing the steel ladle, ensuring the temperature in the steel ladle, preventing heat loss and saving production cost. The vacuum chamber is connected with a suction pipe and a discharge pipe below, the suction pipe and the discharge pipe are inserted into molten steel in the ladle through the sealing cover plate, the molten steel in the ladle is sucked into the vacuum furnace through the suction pipe, the molten steel in the vacuum furnace is degassed and the like, and the treated molten steel is discharged into the ladle through the discharge pipe. The condenser is located the side of vacuum chamber lower part, and the condenser is connected with the dust catcher, can be with the gas cooling and the dust removal of production to prevent environmental pollution, dust remover two is also installed to blast pipe one end, can get rid of the dust in the middle of the exhaust waste gas, avoids causing the pollution to the environment. The heating device is used for heating or preserving heat of the molten steel in the steel ladle, ensures the temperature of the molten steel in the steel ladle, improves the degassing efficiency of the molten steel, and is heated by a graphite electrode.
The utility model discloses can realize vacuum degassing stove service environment environmental protection health, effectively prevent the heat and run off to save manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1, steel ladle; 2. sealing the cover plate; 3. a suction tube; 4. a discharge pipe; 5. an argon inlet; 6. a condenser; 7, a vacuum chamber; 8. a high-temperature resistant coating and a heat insulation layer; 9. a vacuum pump; 10. an observation hole; 11. a heating device; 12. an exhaust pipe; 13. a vacuum cleaner; 14. a vacuum chamber moving device; 15. and a second dust collector.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Exemplary embodiments of the present invention are described below in conjunction with specific situations:
the implementation case is as follows: as shown in the attached figure 1, the vacuum degassing furnace comprises a steel ladle (1), an argon gas inlet (5), a vacuum chamber (7), a vacuum pump (9), a sealing cover plate (2), a suction pipe (3), a discharge pipe (4), a condenser (6), a high-temperature-resistant coating and insulating layer (8), an observation hole (10), a heating device (11), an exhaust pipe (12), a dust collector (13), a second dust collector (15) and vacuum chamber moving equipment (14). The argon inlet (5) is positioned at the bottom of the ladle (1) and is used for inputting argon into the ladle (1); the sealing cover plate (2) is connected to the upper part of the ladle (1) through a flange and is used for sealing the ladle (1); an observation hole (10) is arranged on the outer wall of the vacuum chamber (7) so as to be convenient for observing the molten steel degassing condition; the suction pipe (3) and the discharge pipe (4) are connected below the vacuum chamber (7), the suction pipe (3) and the discharge pipe (4) penetrate through the sealing cover plate (2) and are inserted into molten steel in the ladle (1), and the vacuum pump (9) is positioned on the side surface of the upper part of the vacuum chamber (7) and is used for achieving the vacuum environment of the vacuum chamber (7); the condenser (6) is positioned on the side surface of the lower part of the vacuum chamber (7), and the condenser (6) is connected with a dust collector (13) which can cool and remove dust from the generated gas; the inner walls of the vacuum chamber (7), the ladle (1) and the sealing cover plate (2) are provided with high-temperature resistant coatings and heat-insulating layers (8) for ensuring the temperature in the ladle; the heating device (11) is used for heating or insulating the molten steel in the ladle (1) and ensuring the temperature of the molten steel in the ladle (1); the vacuum chamber moving device (14) can be a hoisting device and the like, and can freely move the vacuum chamber (7), thereby saving manpower.
The argon inlet (5) is positioned at the bottom of the ladle (1) and is used for inputting argon into the ladle (1).
The sealing cover plate (2) is connected to the upper part of the steel ladle (1) through a flange and used for sealing the steel ladle (1), so that the temperature in the steel ladle is ensured, and heat loss is prevented.
The suction pipe (3) and the discharge pipe (4) are connected below the vacuum chamber (7), and the suction pipe (3) and the discharge pipe (4) penetrate through the sealing cover plate (2) and are inserted into molten steel in the ladle (1).
The condenser (6) is positioned on the side surface of the lower part of the vacuum chamber (7), and the condenser (6) is connected with a dust collector (13) which can cool and remove dust from generated gas, thereby preventing environmental pollution.
The heating device (11) is used for heating or insulating the molten steel in the ladle (1) to ensure the temperature of the molten steel in the ladle (1), and the heating device is a graphite electrode for heating.
The utility model discloses a theory of operation does: the utility model discloses a lead to argon gas in to the molten steel from ladle (1) bottom, can play the stirring effect to the molten steel, and then even molten steel temperature, even molten steel composition, increase and are taken out the molten steel area to improve the decarbonization degasification, make the inclusion collision come-up in the molten steel simultaneously. The sealing cover plate (2) is connected to the upper part of the steel ladle (1) through a flange and used for sealing the steel ladle (1), so that the temperature in the steel ladle (1) is guaranteed, heat loss is prevented, energy can be saved, and the production cost is saved. The suction pipe (3) and the discharge pipe (4) are connected below the vacuum chamber (7), the suction pipe (3) and the discharge pipe (4) penetrate through the sealing cover plate (2) and are inserted into molten steel in the ladle (1), the molten steel in the ladle (1) is sucked into the vacuum chamber (7) through the suction pipe (3), the molten steel in the vacuum chamber (7) is subjected to treatment such as degassing, the treated molten steel is discharged into the ladle (7) through the discharge pipe (4), and the circulation is repeated until the required requirements are met. Condenser (6) are located the side of vacuum chamber (7) lower part, and condenser (6) are connected with dust catcher (13), can be with the gas cooling and the dust removal of production to prevent environmental pollution, dust catcher two (15) are also installed to blast pipe (12) one end, can get rid of the dust in the middle of the exhaust waste gas, avoid causing the pollution to the environment. The heating device (11) is used for heating or preserving heat of the molten steel in the ladle (1), ensuring the temperature of the molten steel in the ladle (1), and improving the degassing efficiency of the molten steel, and the heating device (11) heats the molten steel by a graphite electrode.
The principle and the implementation of the present invention are explained above by applying specific examples, and the above descriptions of the embodiments are only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (2)

1. The utility model provides a vacuum degassing furnace, includes ladle, argon gas inlet, real empty room, vacuum pump, its characterized in that: the device comprises a steel ladle, a vacuum chamber, a vacuum inlet, a vacuum chamber and a sealing cover plate, wherein the vacuum chamber is used for accommodating a vacuum chamber; the sealing cover plate is connected to the upper part of the steel ladle through a flange and is used for sealing the steel ladle; the outer wall of the vacuum chamber is provided with an observation hole, which is convenient for observing the degassing condition of the molten steel; the vacuum pump is positioned on the side surface of the upper part of the vacuum chamber and is used for achieving the vacuum environment of the vacuum chamber; the condenser is positioned on the side surface of the lower part of the vacuum chamber, and the condenser is connected with a dust collector and can cool and remove dust of generated gas; the vacuum chamber, the ladle and the inner wall of the sealing cover plate are provided with a high-temperature resistant coating and a heat insulation layer for ensuring the temperature in the ladle; the heating device is used for heating or insulating the molten steel in the steel ladle and ensuring the temperature of the molten steel in the steel ladle; the vacuum chamber moving equipment can freely move the vacuum chamber, so that the labor is saved.
2. A vacuum degassing furnace according to claim 1, characterized in that: the heating device heats the graphite electrode.
CN201922026879.8U 2019-11-22 2019-11-22 Vacuum degassing furnace Active CN211005481U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922026879.8U CN211005481U (en) 2019-11-22 2019-11-22 Vacuum degassing furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922026879.8U CN211005481U (en) 2019-11-22 2019-11-22 Vacuum degassing furnace

Publications (1)

Publication Number Publication Date
CN211005481U true CN211005481U (en) 2020-07-14

Family

ID=71470428

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922026879.8U Active CN211005481U (en) 2019-11-22 2019-11-22 Vacuum degassing furnace

Country Status (1)

Country Link
CN (1) CN211005481U (en)

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