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We offer to supply multipurpose furnace (KV series) for the production of titanium ingots and slabs weighing up to 20 tons. The Figure 1 on the picture shows a general view, package and the main characteristics such as furnaces KV. Figures 2-5 show the general form of the furnace, the melting chamber, vacuum system, as well as the scheme of the smelting process. Figures 6-9 show the elements of management systems, central control panel, video control system, as well as the scheme of the automatic drawing of ingots. The contract for the supply of electron-beam furnace includes:
Electron Beam Cold Hearth Melting (EBCHM) furnace KV-series for production of titanium and titanium alloys:
To operate EBCHM furnace KV-series need to connect only 2 industrial sources: electricity and water.
Basic set of EBCHM furnace KV-series consist of:
Smelting scheme in EBCHM furnace KV: Charge (4), loaded in non-melting containers (3) is fed with two sides into the melting zone, which is implemented in a melting chamber in a vacuum by electron beam of gas-discharge guns (6). Management of beams scanning allows to control conditions of process melting of the charge at the ends of charge workpieces, in cold hearth (2), in overflow lip and in withdrawal mold (1) and eliminates burns of technological tooling. Baffle (5) is installed to eliminate of falling splashes of molten metal into withdrawal mold. The signal from the cameras (7) is broadcast on the main control panel monitors in real time and is automatically processed by CS FOTON. Signal from the camera control of metal level in bath of withdrawal mold (8) allows to automatically manage device of withdrawing slab (9). Design features of EBCHM furnace KV-series:
The supervision of technological process and operating of all furnace systems is carried through the PC-based control system (CS) FOTON designed upon a principle of SCADA-systems (Supervisory Control and Data Acquisition) based on remotely Programmable Logic Controllers (PLC), are located in close proximity to the units and mechanisms of the furnace. Furnace can be controlled both from the remote main control panel and from local post consoles which are located directly near objects of control.
An important feature of the control system of EBCHM furnaces of KV-series is a video surveillance system, consisting of five video cameras, which are mounted to melting chamber. This system is designed for the visual and parametric control of the whole technological process from melting the charge at the ends of workpieces to a state of the melt in the bath of the withdrawal mold, including monitoring the level of the metal.
Video data is broadcast in 5 monitors of main control center in real time, allowing the founder to proactively operate the process of melting.
The subsystem of control of withdrawal unit has a new scheme for automatic control of melt metal level in bath of withdrawal mold, when signal from the video camera of control of level in bath passes through the video processor to a central computer, which by means of control cabinet of drives puts the desired mode of operation mechanism of withdrawing of the ingot.
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