Auxiliary device for adding slag in continuous casting

Abstract

The utility model relates to an auxiliary device for adding slag in continuous casting, which is characterized in that an acquisition unit is connected with a wireless communication module I through a communication port, a host unit is connected with a wireless communication module II through a communication port, the wireless communication module I is wirelessly connected with the wireless communication module II, and the acquisition unit comprises a battery, a magnetic base, a PLC (Programmable Logic Controller) I and a laser ranging module, an installation hole is formed in the front face of the collection unit shell, the bottom face of the collection unit shell is fixedly connected with the magnetic base, a laser ranging module is arranged in the collection unit, the laser ranging module horizontally faces the installation hole and is connected with the first PLC through a port, and the alarm is connected with the host unit. The battery is used for providing working power for the acquisition unit and the first wireless communication module. The utility model has the advantages that the acquisition unit is wirelessly connected with the host unit, so that the workload of construction wiring is reduced, and the risk of system failure caused by cable pull-apart is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steel smelting, in particular to an auxiliary device for continuous casting and slag addition. Background Art

[0002] The protective slag of the continuous casting mold is one of the most important raw and auxiliary materials. In the continuous casting production process, there are still manual slag pushing errors that make the protective slag thickness unreasonable, affecting the lubrication effect of the crystallizer, leading to production accidents such as surface defects of the ingot, crystallizer deviation, adhesion and steel leakage; with the extensive use of automatic slag feeders for crystallizers, continuous casters can only rely on visual observation to monitor the working conditions of the slag feeders, which is time-consuming and labor-intensive. If the slag feeder suddenly fails, it will cause the crystallizer state to be out of control, affecting smooth production. Summary of the invention

[0003] The utility model aims to provide an auxiliary device for adding slag in continuous casting, which does not need to rely on naked eye observation of continuous casting workers and ensures safe production.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions:

[0005] A continuous casting slag adding auxiliary device comprises a collection unit, a host unit, an alarm, a wireless communication module 1, and a wireless communication module 2. The collection unit is connected to the wireless communication module 1 through a communication port, the host unit is connected to the wireless communication module 2 through a communication port, the wireless communication module 1 is wirelessly connected to the wireless communication module 2, the collection unit comprises a battery, a magnetic base, a PLC controller 1, and a laser ranging module. A mounting hole is arranged in front of a collection unit shell, the bottom surface of the collection unit shell is fixedly connected to the magnetic base, a laser ranging module is arranged in the collection unit, the laser ranging module is horizontally facing the mounting hole, the laser ranging module is connected to the PLC controller 1 through a port, the alarm is connected to the host unit, and the battery is used to provide working power to the collection unit and the wireless communication module 1.

[0006] The host unit includes a second PLC controller, the alarm is connected to the second PLC controller through a port, the second wireless communication module is connected to the second PLC controller through a communication port, and the alarm is connected to a digital input port of the PLC module.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. The wireless connection between the acquisition unit and the host unit reduces the workload of construction wiring and eliminates the risk of system failure due to cable breakage;

[0009] 2. The operator can check the information collected by the laser ranging module at any time through the touch screen, which is convenient for operation and maintenance;

[0010] 3. A mounting hole is set on the front of the collection unit shell, and a laser ranging module is set inside the collection unit to reduce dust entry;

[0011] 4. The bottom surface of the collection unit shell is fixedly connected to the magnetic base, and the collection unit is magnetically attached to the surface of the steel structure just above the crystallizer, which reduces the difficulty of operation and facilitates installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the continuous casting slag adding auxiliary device.

[0013] Figure 2 It is a schematic diagram of the principle of the auxiliary device for adding slag in continuous casting.

[0014] Figure 3 It is a schematic diagram of the appearance of the collection unit.

[0015] Figure 4 It is a schematic diagram of the working principle of the embodiment.

[0016] In the figure: 1-mounting hole 2-magnetic base 3-housing. DETAILED DESCRIPTION

[0017] The present invention is described in detail below in conjunction with the accompanying drawings of the specification, but it should be noted that the implementation of the present invention is not limited to the following embodiments.

[0018] The following examples are implemented based on the technical solution of the utility model, and provide detailed implementation methods and specific operation processes, but the protection scope of the utility model is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.

[0019] [Example 1]

[0020] The workshop crystallizer protection slag is equipped with PLC controller 2, wireless communication module 2 is added, and the host unit is connected with wireless communication module 2 through the communication port. Figure 1 to Figure 3, an auxiliary device for continuous casting and slag addition, including a collection unit, a host unit, an alarm, a wireless communication module 1, a wireless communication module 2, the collection unit is connected to the wireless communication module 1 through a communication port, the host unit is connected to the wireless communication module 2 through a communication port, the wireless communication module 1 is wirelessly connected to the wireless communication module 2, the wireless communication module 1 and the wireless communication module 2 are both MOXAAWK-1131A-EU models, the collection unit includes a battery, a magnetic base, a PLC controller 1, a laser ranging module, the laser ranging module model is LMD2430-A, a mounting hole is set in the front of the collection unit shell, the bottom surface of the collection unit shell is fixedly connected to the magnetic base, the collection unit is provided with a PLC controller 1, a laser ranging module, a battery, and the laser ranging module is horizontal Facing the mounting hole, the laser ranging module is connected to the PLC controller 1 through a port, and the battery is used to provide working power to the acquisition unit and the wireless communication module 1; above the crystallizer, the acquisition unit is fixed to the surface of the steel structure through a magnetic base. The acquisition unit with a magnetic base is convenient for installation and adjustment of the detection position. The magnetic base is used as the base point of the laser ranging. The acquisition unit continuously measures the distance from the base point to the slag surface of the crystallizer at a certain frequency, and then continuously transmits the measurement data to the host unit. The acquisition frequency of the laser ranging module is 0.3 seconds; the measurement accuracy is 0.2mm; the host unit includes a PLC controller 2, the alarm is connected to the PLC controller 2 through a port, the wireless communication module 2 is connected to the PLC controller 2 through a communication port, and the alarm is connected to the digital input port of the PLC module.

[0021] Working process:

[0022] See Figure 4During the normal production process of continuous casting, workers will magnetically attach the "collection unit" to the surface of a solid steel structure just above the crystallizer (deviation <15°) according to the actual situation on site. The laser beam emitted by the "collection unit" is required to be able to vertically irradiate the stable area of ​​the slag surface in the crystallizer. For square billets, the half of the distance between the water inlet and the crystallizer wall can be irradiated on both sides of the water inlet. For slabs, the distance of 150mm on both sides of the water inlet can be irradiated to complete the installation of the "collection unit"; press the power button on the touch screen of the "host unit" to start the host unit; after the worker adds the protective slag in the crystallizer to the standard height according to the process and technical requirements, press the calibration button on the touch screen of the "host unit" to calibrate the currently received collection value of the collection unit as the target value. After that, each time a collection value is received from the collection unit, the following calculation is performed: Display value = Collection value Value - target value, with an accuracy of 0.1mm, and displayed on the touch screen, but the refresh frequency of the touch screen is 1 second, in units of mm; the logic module of the second PLC controller takes the absolute value of the displayed value, when the absolute value is greater than 10mm, ≤25mm, and the duration is greater than 2 seconds, an alarm command is issued: short beep, 2s interval; when the absolute value is greater than 25mm, and the duration is greater than 2 seconds, an alarm command is issued: long beep, and the sound and light alarm is driven by the logic module to issue an sound and light alarm; after the continuous caster hears the alarm during the slag pushing process, he can judge the cause of the current protective slag thickness alarm according to the ± signs on the touch screen. When the displayed value is positive, it means that the protective slag is too thick and the slag pushing should be stopped; when the displayed value is negative, it means that the protective slag is too thin and additional slag should be added; when the worker's slag pushing thickness is stable, the reminder alarm will not be triggered.

[0023] When a worker blocks the laser beam of the "collection unit" while picking up slag strips or pushing slag, or when the feeding gun barrel blocks the laser beam of the "collection unit" during the lateral movement of the slag feeder, the "host unit" logic module will consider the duration of the "absolute value". Since the duration is less than 2 seconds, the host unit will not issue an alarm command; when a foreign object blocks the equipment of this application, such as a human body, oil pipe, etc., since the duration is greater than 2 seconds, the host unit will issue an alarm command to prompt the operator to clean it.

[0024] The utility model adopts wireless connection between the acquisition unit and the host unit, which reduces the workload of construction wiring and eliminates the risk of system failure due to cable breaking; the operator can check the information of the data collected by the laser ranging module at any time through the touch screen, which is convenient for operation and maintenance; a mounting hole is arranged in the front of the acquisition unit shell, and a laser ranging module is arranged in the acquisition unit to reduce dust entry; the bottom surface of the acquisition unit shell is fixedly connected to the magnetic base, and the acquisition unit is magnetically attracted to the surface of the steel structure just above the crystallizer, which reduces the difficulty of operation and is convenient for installation.

Claims

1. A continuous casting slag adding auxiliary device, characterized in that: It includes a collection unit, a host unit, an alarm, a wireless communication module 1, and a wireless communication module 2. The collection unit is connected to the wireless communication module 1 through a communication port, the host unit is connected to the wireless communication module 2 through a communication port, the wireless communication module 1 is wirelessly connected to the wireless communication module 2, the collection unit includes a battery, a magnetic base, a PLC controller 1, and a laser ranging module. A mounting hole is arranged on the front of the collection unit shell, the bottom surface of the collection unit shell is fixedly connected to the magnetic base, a laser ranging module is arranged in the collection unit, the laser ranging module is horizontally facing the mounting hole, the laser ranging module is connected to the PLC controller 1 through a port, the alarm is connected to the host unit, and the battery is used to provide working power to the collection unit and the wireless communication module 1.

2. A continuous casting slag adding auxiliary device according to claim 1, characterized in that: The host unit includes a second PLC controller, the alarm is connected to the second PLC controller via a port, the second wireless communication module is connected to the second PLC controller via a communication port, and the alarm is connected to a digital input port of the PLC module.

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