An argon cabinet for a gas supply system of an aluminum ingot casting furnace external refining degassing box

Abstract

An argon cabinet of a gas supply system of an aluminum ingot casting furnace external refining degassing box relates to an argon cabinet of a gas supply system, in order to solve the problems of complex pipeline arrangement of the existing online degassing box and slow management of high-low pressure switching. The first ball valve is arranged on the pipeline of the argon main pipeline, two gas supply lines are connected with the gas outlet of the argon main pipeline in communication, and the two gas supply lines are used for respectively leading the argon in the argon main pipeline to the first rotor and the second rotor. The pressure reducing valve is connected with the argon main pipeline in communication, and the pressure reducing valve is connected with the treatment throttle valve and the idling throttle valve in communication. The treatment throttle valve is connected with the electromagnetic switch in communication. The flow meter is connected with the electromagnetic switch and the idling throttle valve in communication. The gas outlet of the flow meter is connected with the gas inlet of the first rotor in communication. The pressure gauge is used for measuring the resistance of the gas outlet of the first rotor. The pressure sensor is used for pressure fault alarm. The beneficial effects are simple structure and fast high-low pressure switching speed.

Description

Technical Field

[0001] This invention relates to an argon gas holder for a gas supply system. Background Technology

[0002] In the purification process of aluminum melt, continuous ladle treatment is a key technology for improving the quality of aluminum alloy products. The degassing box, under sealed conditions, maintains a constant temperature and stirring, and is refined using inert gas, resulting in excellent purification and degassing effects and stable quality. After online refining, the material can be directly fed into the casting machine for molding, avoiding secondary contamination. Furthermore, it eliminates the need for separate processing time, improving production efficiency. However, existing online degassing boxes have incomplete functions, and experience has shown that some functions are impractical. The cumbersome piping layout increases the difficulty of operation and troubleshooting, and the complexity of the piping also makes operator training difficult. Moreover, existing online degassing boxes require frequent adjustments to the pipeline pressure settings, and the switching speed between high and low pressure is slow. Therefore, the existing online degassing box needs to be modified. Summary of the Invention

[0003] The purpose of this invention is to solve the problems of complex pipeline layout and slow high-low pressure switching speed of existing online degassing boxes, and to propose an argon gas holder for the degassing box gas supply system in aluminum ingot casting furnace refining.

[0004] The present invention relates to an argon gas holder for an aluminum ingot casting ladle refining and degassing box gas supply system, the argon gas holder comprising an argon gas holder body, a first ball valve, and two gas supply lines;

[0005] The first ball valve and the two gas supply lines are respectively installed inside the gas holder body; wherein, the first ball valve is installed on the argon gas main pipeline, and the two gas supply lines are respectively connected to the gas outlet of the argon gas main pipeline, and the two gas supply lines are used to supply argon gas in the argon gas main pipeline to rotor No. 1 and rotor No. 2 respectively.

[0006] The two gas supply lines have the same structure. Each gas supply line includes a pressure reducing valve, a processing throttle valve, an idle speed throttle valve, an electromagnetic switch, a flow meter, a pressure gauge, and a pressure sensor.

[0007] The pressure reducing valve inlet is connected to the outlet of the argon main pipeline, and the pressure reducing valve outlet is also connected to the inlet of the processing throttle valve and the inlet of the idle speed throttle valve; the processing throttle valve outlet is connected to the inlet of the electromagnetic switch.

[0008] The inlet of the flow meter is connected to the outlet of the electromagnetic switch and the outlet of the idle speed throttle valve; the outlet of the flow meter is connected to the inlet of the first rotor through a pressure gauge and a pressure sensor; the pressure gauge is used to measure the resistance of the outlet of the first rotor; the pressure sensor is used for pressure fault alarm.

[0009] Furthermore, each gas supply line also includes a second ball valve;

[0010] The second ball valve is installed on the pipeline between the first ball valve and the pressure reducing valve.

[0011] Furthermore, the model number of the electromagnetic switch is: VX230DA.24V.

[0012] Furthermore, the pressure reducing valve is model AR3000-03; the pressure regulating range of the pressure reducing valve 2 is 0 MPa to 0.8 MPa.

[0013] Furthermore, a pressure sensor 8 is installed on the pipeline at the outlet of the pressure reducing valve;

[0014] The pressure sensor is model number 3C-1S10-01.

[0015] Furthermore, the flow meter model is: LZDC-GZB-15 / J1 / RO / M1316 / N / N / G / H1, and the flow meter's measurement range is from 0 cubic meters per hour to 6 cubic meters per hour.

[0016] Furthermore, the model number of the throttle valve is: PF2A521-03-1.

[0017] The working principle of this invention is as follows: Argon gas enters the gas supply branches of the two rotors through the main gas supply pipeline, and after being reduced to 0.2M by the pressure reducing valve, it is delivered to the speed regulation circuit. The speed regulation circuit has an idle speed circuit, which is normally open after adjustment. The processing status is controlled by an electromagnetic switch to open and close it in the idle state and open it in the processing state. The flow meter displays the flow value, which is convenient for observation when adjusting the flow. The pressure gauge is used to sense the resistance of the rotor outlet, which is convenient for monitoring the rotor flow status. In addition, four pressure sensors are added to the pipeline for pressure fault alarm, which can well ensure the normal supply of argon gas, thereby protecting the quality of the melt.

[0018] The beneficial effects of this invention are as follows:

[0019] First, the working principle of this argon gas cabinet is simple and clear, making it easy to train operators and for maintenance personnel to quickly troubleshoot problems and repair or replace components on the pipeline.

[0020] Second, a flow meter is used, which allows for precise control of the flow rate.

[0021] Third, a pressure sensor has been added to facilitate the setting of alarm devices, which can effectively alert operators to timely handling of pressure fluctuations.

[0022] IV. Once the pressure value is set, it does not require frequent adjustments, and the switching speed between high and low pressure is fast; the gas supply is stable, and the yield of produced aluminum alloy is increased by 5%. Attached Figure Description

[0023] Figure 1 This is a schematic diagram illustrating the working principle of the argon gas holder in the external refining and degassing system of aluminum ingot casting, as described in Specific Embodiment 1. Detailed Implementation

[0024] Combination Figure 1 This embodiment describes an argon gas holder for an aluminum ingot casting ladle refining degassing box. The argon gas holder includes an argon gas holder body, a first ball valve 1, and two gas supply lines.

[0025] The first ball valve 1 and the two gas supply lines are respectively installed inside the gas holder body; wherein, the first ball valve 1 is installed on the argon gas main pipeline, and the two gas supply lines are respectively connected to the gas outlet of the argon gas main pipeline, and the two gas supply lines are used to supply argon gas in the argon gas main pipeline to rotor 9 and rotor 10 respectively.

[0026] The two gas supply lines have the same structure. Each gas supply line includes a pressure reducing valve 2, a processing throttle valve 3, an idle speed throttle valve 4, an electromagnetic switch 5, a flow meter 6, a pressure gauge 7, and a pressure sensor 8.

[0027] The inlet of the pressure reducing valve 2 is connected to the outlet of the argon main pipeline, and the outlet of the pressure reducing valve 2 is also connected to the inlet of the processing throttle valve 3 and the inlet of the idle speed throttle valve 4; the outlet of the processing throttle valve 3 is connected to the inlet of the electromagnetic switch 5.

[0028] The air inlet of the flow meter 6 is connected to the air outlet of the electromagnetic switch 5 and the air outlet of the idle speed throttle valve 4; the air outlet of the flow meter 6 is connected to the air inlet of the first rotor 9 through the pressure gauge 7 and the pressure sensor 8; wherein, the pressure gauge 7 is used to measure the resistance of the air outlet of the first rotor 9; the pressure sensor 8 is used for pressure fault alarm.

[0029] In this embodiment, argon gas is delivered to the argon holder via a main pipeline and connected to various branches via a first ball valve 1. The first ball valve 1 controls the opening and closing of the main pipeline and connects to rotor 9 and rotor 10 respectively to ensure a normal supply of argon gas. Each pipeline is connected by a φ12 copper pipe. A pressure reducing valve 2 controls the pressure of the gas supply line, and a pressure sensor 8 monitors the pressure inside the pipeline and provides a low-pressure alarm, which helps to ensure a continuous and stable gas supply pressure. A processing throttle valve 3 is used to adjust the gas flow rate during processing. An idle throttle valve 4 is used to adjust the gas flow rate during idle. A separate throttle valve line supplies gas for idle. The circuit, with a gas consumption of approximately 2 cubic meters, is normally open. The electromagnetic switch 5 and the processing throttle valve 3 are used to adjust the flow rate during processing. When the electromagnetic switch 5 is open, this circuit is in a high-flow-rate gas supply state, i.e., the processing flow rate, with a gas consumption of approximately 4 cubic meters. The flow meter 6 is a meter-type flow meter that can accurately display the current argon gas supply, with a flow range of 0-6 cubic meters per hour. The pressure gauge 7 is used to display the gas pressure in the gas chamber of rotor 9 to determine the blockage status of rotor 9. The pressure sensor 8 is used for early warning prompts after rotor 9 becomes blocked.

[0030] In a preferred embodiment, each gas supply line further includes a second ball valve 11;

[0031] The second ball valve 11 is installed on the pipeline between the first ball valve 1 and the pressure reducing valve 2.

[0032] In this embodiment, the second ball valve 11 controls the individual gas supply to the branch pipeline, resulting in better control.

[0033] In a preferred embodiment, the electromagnetic switch 5 is model number VX230DA.24V.

[0034] In a preferred embodiment, the pressure reducing valve 2 is model AR3000-03; the pressure regulating range of the pressure reducing valve 2 is 0 MPa to 0.8 MPa.

[0035] In this embodiment, the pressure reducing valve 2 is used to control the pressure of the gas supply line, and the gas supply pressure is preferably 0.2 MPa;

[0036] In a preferred embodiment, a pressure sensor 8 is provided on the pipeline at the outlet of the pressure reducing valve 2;

[0037] The pressure sensor 8 is model number 3C-1S10-01.

[0038] In a preferred embodiment, the flow meter 6 is model number LZDC-GZB-15 / J1 / RO / M1316 / N / N / G / H1, and the flow meter 6 has a measurement range of 0 cubic meters per hour to 6 cubic meters per hour.

[0039] In a preferred embodiment, the model of the throttle valve 3 is PF2A521-03-1.

[0040] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. An argon gas cabinet for a gas supply system of an aluminum ingot casting furnace external refining degassing box, characterized by, The argon cabinet comprises an argon cabinet body, a first ball valve (1) and two gas supply lines; The first ball valve (1) and the two gas supply lines are arranged in the gas cabinet body; the first ball valve (1) is arranged on a pipeline of an argon main pipeline, and the two gas supply lines are respectively connected with gas outlets of the argon main pipeline and are used to respectively lead argon in the argon main pipeline to a first rotor (9) and a second rotor (10); The two gas supply lines are identical in structure, and each gas supply line comprises a pressure reducing valve (2), a treatment throttle valve (3), an idle speed throttle valve (4), an electromagnetic switch (5), a flow meter (6), a pressure gauge (7) and a pressure sensor (8); The gas inlet of the pressure reducing valve (2) is connected with the gas outlet of the argon main pipeline, and the gas outlet of the pressure reducing valve (2) is connected with the gas inlets of the treatment throttle valve (3) and the idle speed throttle valve (4); the gas outlet of the treatment throttle valve (3) is connected with the gas inlet of the electromagnetic switch (5); The gas inlets of the flow meter (6) are connected with the gas outlets of the electromagnetic switch (5) and the idle speed throttle valve (4); the gas outlet of the flow meter (6) is connected with the gas inlet of the first rotor (9) through the pressure gauge (7) and the pressure sensor (8); the pressure gauge (7) is used to measure the resistance of the gas outlet of the first rotor (9); and the pressure sensor (8) is used to alarm pressure failure. Each gas supply line further comprises a second ball valve (11); The second ball valve (11) is arranged on a pipeline between the first ball valve (1) and the pressure reducing valve (2).

2. The argon gas cabinet of the gas supply system of the aluminum ingot casting furnace external refining degassing box according to claim 1, characterized in that, The electromagnetic switch (5) is of the VX230DA.24V type.

3. The argon gas cabinet of the gas supply system of the aluminum ingot casting furnace external refining degassing box according to claim 1, characterized in that, The pressure reducing valve (2) is of the AR3000-03 type, and the pressure reducing range of the pressure reducing valve (2) is 0MP to 0.8MP.

4. The argon gas cabinet of the gas supply system of the aluminum ingot casting furnace external refining degassing box according to claim 1, characterized in that, The pressure sensor (8) is arranged on a pipeline of the gas outlet of the pressure reducing valve (2). The pressure sensor (8) is of the 3C-1S10-01 type.

5. The argon gas cabinet of a gas supply system of an aluminum ingot casting furnace external refining degassing box according to claim 1, characterized in that, The flow meter (6) is of the LZDC-GZB-15 / J1 / RO / M1(316) / N / N / G / H1 type, and the measurement range of the flow meter (6) is 0 cubic meters per hour to 6 cubic meters per hour.

6. An argon gas cabinet of a gas supply system of an aluminum ingot casting furnace external refining degassing box according to claim 1, characterized in that, The treatment throttle valve (3) is of the PF2A521-03-1 type.

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