KR840004172A - Automatic input equipment for preheating of raw materials in steelmaking - Google Patents

Abstract

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Description

Automatic input equipment for preheating of raw materials in steelmaking

As this is a public information case, the full text was not included.

2 is a waste gas flow diagram of the installation of the present invention.

3 is a feedstock system diagram of the installation of the present invention.

4 is a schematic diagram of a control device.

Claims (5)

A heat storage chamber (12) communicating with the stack (8) through the waste gas introduction pipe (9) and having a stack (13) through the waste gas discharge pipe (11) and a secondary raw material receiving space (4) provided with a sub raw material discharge pipe (24) at the bottom. Sub-material preheating chamber (1) in which the waste gas circulation space (5) communicated with the ventilator (6) and the sub-material feed pipe (20) communicated with the receiving space (5) are branched. And sub-material pre-heating pre-loading equipment, characterized in that it is installed in the lower part of the preheating chamber (1) and the secondary material input preparation hopper (27) communicated with the secondary material input pipe (28). The waste gas steering cone (10) is installed in the sub-material accommodating space (4) of the preheating chamber (1), and the direction change light is provided at the connection portion of the waste gas introduction pipe (9) and the stack (8). 15 is adjustablely installed by the synchronous motor 14, the reverse flow prevention wave 17 is installed in the stack 13 is opened and closed by the motor 16 in conjunction with the synchronous motor 14. Raw material pre-heating automatic input equipment for steelmaking, characterized in that. The gates 23 and 26 of claim 1, which are opened and closed by vibrating cylinders 22, 25 and 29, respectively, at the lower end of the sub-material supply pipe 20 and the discharge end of the discharge pipe 24 and the hopper 27, respectively. 30 is installed, and the sub-material pre-heating pre-heating automatic input equipment, characterized in that the sub-material weighing device 31 is installed in the lower part of the hopper (27) preparation preparation hopper According to claim 1, 2, or 3, the gate 26 provided in the anti-backflow damping 17 and the sub-material discharge pipe 24 of the turning wave 15 is opened and closed according to the temperature in the furnace separately. Automatic preheating of raw materials during steelmaking, characterized in that the automatic control device for controlling the opening and closing of the gate 29 installed at the lower end of the auxiliary material input preparation hopper 27 for each period according to the measurement value of the sub-material weighing device 31 is installed. Dosing device. The thermostat device (32) and the temperature detector (33) of claim 4, wherein the automatic control device checks the thermocouple (32) for measuring the temperature of the molten steel of the electric furnace and the electromotive force according to the temperature measured by the thermocouple (32). When the steelmaking is characterized in that it comprises a computer device 34 that emits the opening and closing signals of each of the wave and the gate according to the electrical signal in the sub-weight measuring device 31 and the control panel 35 for controlling them Sub raw material preheating automatic input device. ※ Note: The disclosure is based on the initial application.