| 摘要 |
PURPOSE: An apparatus for controlling pressure in a coke oven chamber is provided to prevent dry distilled gas from being leaked into the oven door by continuously measuring pressures at lower part of an ascension pipe of the coke oven, charging hole and oven door, and controlling flow of high pressure ammonia water of the ascension pipe. CONSTITUTION: The apparatus for controlling pressure in a coke oven chamber comprises a first pressure measuring sensor(S1) measuring a pressure of the lower part of an ascension pipe(30); a control valve(20) which is installed on a high pressure ammonia water line that is connected from an ammonia water tank(10) to a high pressure ammonia water nozzle(8) installed at the curved pipe part of the ascension pipe(15); and a control part(21) inputting a set pressure and opening ratios to be controlled per pressures in advance, continuously monitoring pressure changes according to dry distillation times with pressure values measured from the first pressure measuring sensor(S1), and controlling opening of the control valve(20) according to a magnitude of the differential pressure between the measured pressure and the set pressure in case that the measured pressure is higher than the set pressure(positive pressure), wherein the apparatus further comprises a second pressure measuring sensor(S2) measuring a pressure of a charging hole(31); and a third pressure measuring sensor(S3) measuring a pressure of the lower part of the oven door(32), and the control part(21) comprises a screen display part displaying the measured pressures per dry distillation times on a screen. |
