Title:
ボイラ
Document Type and Number:
Japanese Patent JP7099261
Kind Code:
B2
Abstract:
To provide a boiler capable of suitably setting an ignition operation possible time without pre-purging, according to an amount of valve-over leakage.SOLUTION: A boiler 1 comprises: a burner 15; a fuel supply line 50 for supplying fuel gas to the burner 15; a first cutoff valve 51 and a second cutoff valve 52 arranged in the fuel supply line 50; a pressure detection unit 53 arranged between the first cutoff valve 51 and the second cutoff valve 52; and a combustion control unit 81 configured to, when the pressure detection unit 53 detects predetermined pressure drop in a state where the first cutoff valve 51 and the second cutoff valve 52 are closed, calculate a standby time of starting combustion without pre-purging, based on a time after the first cutoff valve 51 and the second cutoff valve 52 are closed.SELECTED DRAWING: Figure 2
Inventors:
Tatsuya Fujiwara
Kanta Kanta
Kanta Kanta
Application Number:
JP2018209614A
Publication Date:
July 12, 2022
Filing Date:
November 07, 2018
Export Citation:
Assignee:
Miura Industry Co., Ltd.
International Classes:
F23N5/20; F23N5/24
Domestic Patent References:
| JP20166356A | ||||
| JP2003130347A | ||||
| JP10149872A | ||||
| JP55162536A | ||||
| JP201388035A | ||||
| JP62248920A | ||||
| JP11351444A |
Attorney, Agent or Firm:
Mitsuru Iwaike
Ryuta Kato
Ryuta Kato