PROBLEM TO BE SOLVED: To provide a clinker occurrence detection device and a clinker occurrence detection method, enabling the occurrence of clinker to be conveniently and accurately detected, and to provide a clinker occurrence detection*removal device and a clinker occurrence detection*removal method, enabling the occurrence of clinker to be conveniently and accurately detected and enabling the clinker to be conveniently removed.;SOLUTION: A clinker occurrence detection device for detecting the occurrence of clinker adhered to an inner surface of flue piping 9 for feeding exhaust gas exhausted from a waste treatment furnace comprises: pressure difference measuring means 15 for measuring a pressure difference between a pressure at an upstream side position in the flue piping 9 and a pressure at a downstream side position; temperature measuring means 19 for measuring a temperature near the inner surface of the flue piping 9; and determination means 20 for determining that clinker occurs when the pressure difference measured value measured by pressure difference measuring means 15 is equal to or more than a prescribed pressure difference or when the temperature measured value measured by the temperature measuring means 19 is equal to or less than a prescribed temperature even when the differential pressure measured value is lower than the prescribed differential pressure.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2017,JPO&INPIT
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