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Title:
VENTILATION SYSTEM
Document Type and Number:
Japanese Patent JP2016042009
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent a radioactive gas from being sent into a room and prevent the concentration of carbon dioxide in the room from increasing.SOLUTION: A ventilation system comprises: a room 2 surrounded by a wall, a ceiling, and a floor; a filter part 3A provided outside the room 2 to block passage of a radioactive gas; an air blower 3C that passes air through the inside of the filter part 3A; an air supply pipe 3B that makes the downstream side of the filter part 3A communicate with the room 2; an opening/closing adjustment valve 3D provided in the air supply pipe 3B to open/close the air supply pipe 3B; a carbon dioxide detection means 5 that detects the concentration of carbon dioxide in the room 2; and a control means 8 that controls the amount of air supplied by the air blower 3C or the opening/closing adjustment valve 3D so that the concentration of carbon dioxide detected by the carbon dioxide detection means 5 is equal to or lower than a predetermined threshold value.SELECTED DRAWING: Figure 1

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Inventors:
MORI NORIHISA
UESHIMA NAOYUKI
Application Number:
JP2014166642A
Publication Date:
March 31, 2016
Filing Date:
August 19, 2014
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F24F7/06; A62B11/00; B01D53/34; B01D53/62; B01D53/81; F24F7/007; F24F7/10; G21C13/00
Domestic Patent References:
JPH0438377A1992-02-07
JP2011027308A2011-02-10
JPS5946436A1984-03-15
JP2009145341A2009-07-02
JP2000140043A2000-05-23
Foreign References:
US5148681A1992-09-22
Attorney, Agent or Firm:
Hiroaki Sakai
Jun Takamura



 
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