Title:
BOILER STORAGE DEVICE, BOILER PROVIDED THEREWITH AND BOILER STORAGE METHOD
Document Type and Number:
Japanese Patent JP2022129031
Kind Code:
A
Abstract:
To provide a boiler storage device, even upon during the construction or trial operation of a boiler, capable of uniformizing the concentration of ammonia in feed water in a pre-boiler system between a boiler body and a condenser, and a boiler provided therewith.SOLUTION: A boiler storage device comprises: a condensate return pipe line L14 connecting the downstream side of a condensate system L1 reaching feed water heaters 122, 124 from a condenser 114 via a condensate pump 121 with the condenser 114; an ammonia water tank 131 storing ammonia; an ammonia injection pump 130 injecting the ammonia from the ammonia water tank 131 to a condensate circulation system composed of the condensate system L1 and the condensate return pipe line L14; and a control part 60, upon performing the storage of a boiler, forming the circulation flow of water in the condensate circulation system by the condensate pump 121, and further, injecting the ammonia from the ammonia tank 131 to the condensate circulation system by the ammonia injection pump 130.SELECTED DRAWING: Figure 3
Inventors:
TAKAYANAGI DAISUKE
SHIRAISHI YUZURU
SHIRAISHI YUZURU
Application Number:
JP2021027560A
Publication Date:
September 05, 2022
Filing Date:
February 24, 2021
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F22B37/52; F22B37/00
Attorney, Agent or Firm:
Fujiharu
Takaori Mitoma
Miki Kawakami
Daisuke Nagata
Takaori Mitoma
Miki Kawakami
Daisuke Nagata