High-temperature material on-line monitoring device for direct-current electric arc furnace

Abstract

The utility model discloses a high-temperature material on-line monitoring device for a direct-current electric arc furnace. The device mainly comprises an air-cooling air inlet pipe, a base flange, a sealing door, a water-cooling lens, a high-temperature sealing flange, a clamping mechanism, a telescopic mechanism, a device body, a cooling water inlet pipe, a cooling water return pipe, a power line, a communication line, a purging compressed air pipe, a telescopic control line, a compressed air water-vapor separator and a control box. After the device is connected and assembled, the problem that the existing monitoring instrument is very easy to damage due to high temperature in the furnace and destructive high-temperature flue gas environment and is difficult to work normally for a long time in an ultrahigh-temperature application scene of the direct-current electric arc furnace is solved. The device realizes long-time, safe and stable monitoring of the smelting process in the direct-current electric arc furnace under severe working conditions, provides key data support for research on electric furnace smelting process optimization, data acquisition, parameter adjustment and influence analysis, and has great popularization value and application prospect.

Description

Technical Field

[0001] The utility model belongs to the field of direct current arc furnaces, and in particular relates to an online monitoring device for high-temperature materials of direct current arc furnaces. Background Art

[0002] Due to the complex high-temperature smelting conditions and high temperature in the DC arc furnace, in order to directly observe, record and control the reaction in the furnace, it is easier to master the process of updating the solid waste and hazardous waste DC arc furnace, and at the same time increase the service life of the online monitoring device of high-temperature materials in the DC arc furnace. However, due to the ultra-high temperature (above 1700 degrees Celsius) of hazardous waste and solid waste in the DC furnace and the complex characteristics of the furnace, it is impossible to conduct real-time online monitoring of the high-temperature materials and status in the furnace. Summary of the invention

[0003] Aiming at the defect that the ultra-high temperature furnace conditions of the existing DC arc furnace cannot be observed and monitored, the utility model proposes an online monitoring device for high temperature materials which has good use effect, long service life and wide application range under ultra-high temperature conditions.

[0004] The specific technical solution of the utility model is as follows:

[0005] A high-temperature material online monitoring device for a DC arc furnace, characterized in that it includes: an air-cooled air inlet pipe, a base flange of the high-temperature material online monitoring device, a sealing door of the high-temperature material online monitoring device, a water-cooled lens, a high-temperature sealing flange, a supporting mechanism of the high-temperature material online monitoring device, a telescopic mechanism of the high-temperature material online monitoring device, a body of the high-temperature material online monitoring device, a cooling water inlet pipe of the high-temperature material online monitoring device, a cooling water return pipe of the high-temperature material online monitoring device, a power line of the high-temperature material online monitoring device, a communication line of the high-temperature material online monitoring device, a compressed air purge pipe of the high-temperature material online monitoring device, a telescopic control line of the high-temperature material online monitoring device, compressed air water vapor separation, and a control box of the high-temperature material online monitoring device; the supporting mechanism of the high-temperature material online monitoring device is respectively connected to the body of the high-temperature material online monitoring device and the telescopic mechanism of the high-temperature material online monitoring device , used for the high-temperature material online monitoring device mechanism to enter and exit the furnace cover; the base flange of the high-temperature material online monitoring device is respectively connected to the sealing door of the high-temperature material online monitoring device and the telescopic mechanism of the high-temperature material online monitoring device; the air-sealed air inlet pipe is connected to the sealing door of the high-temperature material online monitoring device; the high-temperature material online monitoring device body is respectively connected to the cooling water inlet pipe of the high-temperature material online monitoring device, the supporting mechanism of the high-temperature material online monitoring device, and the cooling water return pipe of the high-temperature material online monitoring device, and is connected to the control box of the high-temperature material online monitoring device through the power line of the high-temperature material online monitoring device and the communication line of the high-temperature material online monitoring device, and is connected to the compressed air water vapor separation through the compressed air purge pipe of the high-temperature material online monitoring device; the telescopic mechanism of the high-temperature material online monitoring device is connected to the control box of the high-temperature material online monitoring device through the telescopic control line of the high-temperature material online monitoring device.

[0006] The power line of the high-temperature material online monitoring device is connected to a power supply.

[0007] The communication line of the high-temperature material online monitoring device is used to provide a communication channel.

[0008] The compressed air water vapor separator is connected to a compressed air source and is used to separate water vapor from the compressed air.

[0009] The device is connected and fixed to the furnace cover via a base flange of the high-temperature material online monitoring device.

[0010] The control box of the high-temperature material online monitoring device is provided with an automatic control system of the high-temperature material online monitoring device, and provides a photoelectric interface for external online monitoring data.

[0011] The beneficial effects of the utility model are as follows:

[0012] The utility model provides an online monitoring device for high-temperature materials for a DC electric arc furnace, which solves the problem that in ultra-high temperature (above 1700 degrees Celsius) application scenarios of the DC electric arc furnace, the existing monitoring instruments are easily damaged and difficult to maintain normal operation for a long time due to the excessively high temperature in the furnace and the harsh working conditions of being wrapped in a destructive high-temperature flue gas environment. The utility model realizes long-term, safe and stable monitoring of the smelting process in the DC arc furnace under harsh working conditions, and can provide key data support for research on data collection, parameter adjustment and impact analysis of the reaction process in the electric furnace, and has great application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of an online monitoring device for high-temperature materials for a DC arc furnace. DETAILED DESCRIPTION

[0014] Figure 1 The utility model shows a high-temperature material online monitoring device for a DC electric arc furnace. As shown in the figure, the structure of the high-temperature material online monitoring device for a DC electric arc furnace is as follows: air-cooled air intake pipe 1, high-temperature material online monitoring device base flange 2, high-temperature material online monitoring device sealing door 3, water-cooled lens 4, high-temperature sealing flange 5, high-temperature material online monitoring device supporting mechanism 6, high-temperature material online monitoring device telescopic mechanism 7, high-temperature material online monitoring device 8, high-temperature material online monitoring device cooling water inlet pipe 9, high-temperature material online monitoring device cooling water return pipe 10, high-temperature material online monitoring device power line 11, high-temperature material online monitoring device communication line 12, high-temperature material online monitoring device purge compressed air pipe 13, high-temperature material online monitoring device telescopic control line 14, compressed air water vapor separation 15, high-temperature material online monitoring device control box 16.

[0015] like Figure 1 As shown, the components of the utility model are described as follows:

[0016] The air-cooled air inlet pipe 1 provides an air-sealing air source for the high-temperature material online monitoring device.

[0017] The base flange 2 of the high-temperature material online monitoring device provides support for the high-temperature material online monitoring device and is connected and fixed on the furnace cover.

[0018] The high-temperature material online monitoring device has a sealed door 3: when the high-temperature material online monitoring device is outside, compressed air and a sealed door are used to isolate the high-temperature flue gas in the furnace.

[0019] The water-cooled lens 4 is provided to the imaging optical channel.

[0020] The high temperature sealing flange 5 ensures the sealing inside and outside of the furnace when the high temperature material online monitoring device is inserted.

[0021] The high-temperature material online monitoring device supporting mechanism 6 is used to connect the high-temperature material online monitoring device mechanism and the telescopic mechanism.

[0022] The high-temperature material online monitoring device telescopic mechanism 7 is a mechanism for enabling the high-temperature material online monitoring device mechanism to enter and exit the furnace cover.

[0023] The high-temperature material online monitoring device body 8: the high-temperature material online monitoring device body.

[0024] The cooling water inlet pipe 9 of the high-temperature material online monitoring device provides a cooling water inlet channel for the high-temperature material online monitoring device.

[0025] The cooling water return pipe 10 of the high-temperature material online monitoring device provides a cooling water return channel for the high-temperature material online monitoring device.

[0026] The power line 11 of the high-temperature material online monitoring device provides working power for the high-temperature material online monitoring device.

[0027] The high-temperature material online monitoring device communication line 12 provides a communication channel for the high-temperature material online monitoring device.

[0028] The high-temperature material online monitoring device purges the compressed air pipe 13: provides a high-temperature material online monitoring device with a purge compressed air channel.

[0029] The high-temperature material online monitoring device telescopic control line 14 provides a telescopic mechanism control line.

[0030] The compressed air water vapor separation 15 is to separate the water vapor from the compressed air.

[0031] The control box 16 of the high-temperature material online monitoring device provides an automatic control system for the high-temperature material online monitoring device and provides a photoelectric interface for external online monitoring data.

[0032] The base flange 2 of the high-temperature material online monitoring device is connected to the flange of the furnace cover high-temperature material online monitoring device.

[0033] The base flange 2 of the high-temperature material online monitoring device is connected to the sealing door 3 of the high-temperature material online monitoring device.

[0034] The base flange 2 of the high-temperature material online monitoring device is connected to the telescopic mechanism 7 of the high-temperature material online monitoring device.

[0035] The telescopic mechanism 7 of the high-temperature material online monitoring device is connected to the supporting mechanism 6 of the high-temperature material online monitoring device.

[0036] The air-sealed air inlet pipe 1 is connected to a sealing door 3 of an online monitoring device for high-temperature materials.

[0037] The high-temperature material online monitoring device supporting mechanism 6 is connected to the high-temperature material online monitoring device body 8 .

[0038] The high-temperature material online monitoring device body 8 is connected to the high-temperature material online monitoring device cooling water inlet pipe 9.

[0039] The high-temperature material online monitoring device body 8 is connected to the high-temperature material online monitoring device cooling water return pipe 10.

[0040] The high-temperature material online monitoring device body 8 is connected to the high-temperature material online monitoring device control box 16 through the high-temperature material online monitoring device power line 11.

[0041] The high-temperature material online monitoring device body 8 is connected to the high-temperature material online monitoring device control box 16 via the high-temperature material online monitoring device communication line 12 .

[0042] The high-temperature material online monitoring device body 8 is connected to the compressed air water vapor separation 15 through the high-temperature material online monitoring device purge compressed air pipe 13.

[0043] The compressed air water vapor separator 15 is connected to a compressed air source.

[0044] The high-temperature material online monitoring device telescopic mechanism 7 is connected to the high-temperature material online monitoring device control box 16 through the high-temperature material online monitoring device telescopic control line 14.

[0045] In actual work, the utility model provides an online monitoring device for high-temperature materials for a DC arc furnace, which can greatly enhance the control link's perception of the smelting process in the furnace, improve the accuracy of adjusting the control parameters of the arc furnace in smelting control, and achieve quality improvement, carbon reduction, and efficiency improvement in the smelting process. It is an important means to break through the bottleneck problems of poor control system adaptability and reliance on operator experience due to the lack of effective data monitoring means in the arc furnace smelting process.

[0046] The utility model provides an online monitoring device for high-temperature materials for DC electric arc furnaces. It solves the problem that in the application scenario of ultra-high temperature (above 1700 degrees Celsius), the existing monitoring instruments are easily damaged and difficult to maintain normal operation for a long time due to the excessively high temperature in the furnace and the harsh working conditions wrapped in a destructive high-temperature flue gas environment of the DC electric arc furnace in ultra-high temperature (above 1700 degrees Celsius). It realizes the long-term, safe and stable monitoring of the smelting process in the DC electric arc furnace under harsh working conditions, and can provide key data support for the data collection, parameter adjustment and impact analysis of the reaction process in the electric furnace for the optimization of the electric furnace smelting process, and has great promotion value and application prospects.

[0047] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any simple modification made to the above embodiment by any technician familiar with the profession according to the technical essence of the present invention without departing from the technical solution of the present invention still belongs to the technical scope of the present invention.

Claims

1. An online monitoring device for high temperature materials for a DC arc furnace, characterized in that: It includes an air-cooled air intake pipe, a base flange of a high-temperature material online monitoring device, a sealing door of a high-temperature material online monitoring device, a water-cooled lens, a high-temperature sealing flange, a supporting mechanism of a high-temperature material online monitoring device, a telescopic mechanism of a high-temperature material online monitoring device, a body of a high-temperature material online monitoring device, a cooling water inlet pipe of a high-temperature material online monitoring device, a cooling water return pipe of a high-temperature material online monitoring device, a power cord of a high-temperature material online monitoring device, a communication line of a high-temperature material online monitoring device, a purge compressed air pipe of a high-temperature material online monitoring device, a telescopic control line of a high-temperature material online monitoring device, compressed air water vapor separation, and a control box of a high-temperature material online monitoring device; the supporting mechanism of the high-temperature material online monitoring device is respectively connected to the body of the high-temperature material online monitoring device and the telescopic mechanism of the high-temperature material online monitoring device, and is used for the high-temperature material online monitoring device The placement mechanism enters and exits the furnace cover; the base flange of the high-temperature material online monitoring device is respectively connected to the sealing door of the high-temperature material online monitoring device and the telescopic mechanism of the high-temperature material online monitoring device; the air-sealed air inlet pipe is connected to the sealing door of the high-temperature material online monitoring device; the high-temperature material online monitoring device body is respectively connected to the cooling water inlet pipe of the high-temperature material online monitoring device, the supporting mechanism of the high-temperature material online monitoring device, and the cooling water return pipe of the high-temperature material online monitoring device, and is connected to the control box of the high-temperature material online monitoring device through the power line of the high-temperature material online monitoring device and the communication line of the high-temperature material online monitoring device, and is connected to the compressed air water vapor separation through the compressed air purge pipe of the high-temperature material online monitoring device; the telescopic mechanism of the high-temperature material online monitoring device is connected to the control box of the high-temperature material online monitoring device through the telescopic control line of the high-temperature material online monitoring device.

2. The online monitoring device for high temperature materials for a DC arc furnace according to claim 1, characterized in that: The power line of the high-temperature material online monitoring device is connected to a power supply.

3. The online monitoring device for high temperature materials for a DC arc furnace according to claim 1, characterized in that: The communication line of the high-temperature material online monitoring device is used to provide a communication channel.

4. The online monitoring device for high temperature materials for a DC arc furnace according to claim 1, characterized in that: The compressed air water vapor separator is connected to a compressed air source and is used to separate water vapor from the compressed air.

5. The online monitoring device for high temperature materials for a DC arc furnace according to claim 1, characterized in that: The high-temperature material online monitoring device body is connected and fixed to the furnace cover through the high-temperature material online monitoring device base flange.

6. The online monitoring device for high temperature materials for a DC arc furnace according to claim 1, characterized in that: The control box of the high-temperature material online monitoring device is provided with an automatic control system of the high-temperature material online monitoring device, and provides a photoelectric interface for external online monitoring data.

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