Method for drying hollow electrode smelted from titanium and titanium alloy
A titanium alloy and electrode technology, which is applied in the field of dry hollow titanium and titanium alloy smelting electrodes, can solve the problems of high energy consumption and achieve high thermal efficiency, small heat loss, and convenient equipment manufacturing
Inactive Publication Date: 2011-01-19
PANGANG GROUP VANADIUM TITANIUM & RESOURCES +3
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Problems solved by technology
[0005] In order to overcome the shortage of large energy consumption in existing drying methods, the technical problem to be solved by the present invention is to provide a more energy-saving method for drying hollow titanium and titanium alloy smelting electrodes
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[0038] Such as Figure 1 to Figure 7 As shown, the drying furnace used in the present invention is composed of a furnace body 21 provided with a furnace chamber 23 and a movable and ventilating upper cover 22 connected to the furnace body 21 and corresponding to the furnace chamber 23. The furnace chamber 23 and the upper Covers 22 are all semi-cylindrical, and the upper cover 22 is designed as a split structure, which is composed of at least two adjacent upper cover units 24, and each upper cover unit 24 is movably connected with the furnace body 21. The heating rod 4 of the present invention is arranged in the longitudinal direction of the cavity 23 , and the heating rod 4 is electrically connected with the power supply 7 and the switch 8 .
[0039] Such as Figure 7 As shown, the above-mentioned drying furnace is used for drying treatment of hollow pure titanium electrodes. The electrode 3 is hoisted into the furnace cavity 23, and according to the length of the electrode...
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Abstract
The invention discloses a method for drying a hollow electrode smelted from titanium and a titanium alloy, which relatively saves energy. The electrode is provided with a through hole penetrated through in the axial direction of the electrode; the electrode is placed in an insulating and ventilating drying furnace; a heating rod adapted to the length of the electrode is inserted into the through hole; the heating rod is electrified and then generates heat; and the state is maintained until the electrode reaches a set drying degree. The outside diameter of the electrode is 400-800 mm, and the temperature of the heating rod is controlled at 150-220 DEG C. A temperature detection device is arranged in the through hole; the temperature detection device is connected to a temperature controller; and the temperature controller is connected in series with the heating rod and a power supply to form a controllable temperature heating loop. By adopting a split heating rod, the heat radiation to the hollow electrode smelted from the titanium and the titanium alloy from a center to a periphery is achieved; the length of the heating rod can be adjusted; and the invention has the advantages of small heat loss and convenient equipment manufacture and is suitable for the drying treatment of the hollow electrode smelted from the titanium and the titanium alloy.
Description
technical field [0001] The invention relates to a method for drying titanium and titanium alloy smelting electrodes, in particular to a method for drying hollow titanium and titanium alloy smelting electrodes. Background technique [0002] The smelting process of titanium and titanium alloy is to firstly mix the sponge titanium and the intermediate alloy evenly, and then press it into the required electrode block, and the electrode block is welded into the electrode. The welded electrode needs to be dried to remove the moisture in the electrode. Then it is hoisted into a vacuum consumable furnace and remelted into finished ingots twice or three times. The usual electrode drying treatment method is: use a self-controlled temperature drying box to dry, hoist the electrode into the drying box, and the resistance wire in the box is energized to generate heat to heat the electrode. The temperature range in the box is set at 100 ° C ~ 160 ° C. The drying time is 5-24 hours. Beca...
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IPC IPC(8): F26B3/00F26B9/00F26B23/04
Inventor 韦青峰杨雄飞黄德明
Owner PANGANG GROUP VANADIUM TITANIUM & RESOURCES