CONTROL DEVICE OF HEAT RECOVERY BOILER SYSTEM, CONTROL METHOD OF HEAT RECOVERY BOILER SYSTEM AND PROGRAM

• Main Authors: HARADA TERUMASA, IMADA JUNJI, NOMA AKIRA, KUSHIOKA KIYONORI
• Format: Patent
• Language: English; Japanese
• Published: 03.06.2024
• Subjects: BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; CONSUMING WASTE PRODUCTS BY COMBUSTION; CREMATION FURNACES; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODS OF STEAM GENERATION; STEAM BOILERS; STEAM GENERATION; WEAPONS

To provide a control device of a heat recovery boiler system which can suppress corrosion by monitoring a corrosive state in realtime, a control method of the heat recovery boiler system and a program.SOLUTION: A control device of the present invention comprises: an acquisition part for acquiring a first measurement value indicating measurement data of an ultrasonic sensor, and a second measurement value indicating measurement data of a dual-electrode sensor; an estimation part for estimating at least either of a thinning amount of a probe and the fusion of the adhesion ash of the probe on the basis of at least either of the first measurement value and the second measurement value; a determination part for determining an operation command of processing to the adhesion ash on the basis of an estimation result of the estimation part; a water injection device for lowering a gas temperature as processing to the thinning and the adhesion ash on the basis of a determination result of the determination part; and an operation control part for controlling at least one of operations of a soot removal device for removing the adhesion ash.SELECTED DRAWING: Figure 1 【課題】腐食状態をリアルタイムにモニタリングして腐食を抑制することが可能な熱回収ボイラシステムの制御装置、熱回収ボイラシステムの制御方法、及びプログラムを提供すること。【解決手段】本開示に係る制御装置は、超音波センサの計測データを示す第１計測値、及び二電極センサの計測データを示す第２計測値を取得する取得部と、第１計測値と、第２計測値の少なくともいずれか一方に基づいて、プローブの減肉量と、プローブの付着灰の溶融の少なくともいずれか一方を推定する推定部と、推定部の推定結果に基づいて、付着灰に対する処理の作動指令を判断する判断部と、判断部の判断結果に基づいて、減肉や付着灰に対する処理として、ガス温度を低下させる水噴射装置と、付着灰を除去する徐煤装置のうちの少なくとも一つの作動制御する作動制御部と、を備える。【選択図】図１