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Title:
HOT WATER MANUFACTURING SUPPLY UNIT
Document Type and Number:
Japanese Patent JP2012172874
Kind Code:
A
Abstract:

To provide a hot water manufacturing supply unit capable of stably manufacturing and supplying hot water at high temperatures from heat of steam by including a configuration capable of preventing cavitation of hot water in a hot water pump inlet.

A hot water manufacturing supply unit 1 includes a heat exchanger 2 heating hot water by indirectly making steam contact hot water, a hot water pump 3, an expansion tank 4, and a hot water temperature control part 9. The expansion tank 4 is connected to a hot water suction side of the hot water pump 3 of a hot water transfer pipe line 14a via a branch pipe line 15, and is arranged and composed to have a potential head (a liquid head) for applying a pressure to the hot water suction side. The hot water temperature control part 9 is configured so as to adjust an opening of a steam flow control valve 23 and to control a flow rate of the steam to be supplied to the heat exchanger 2 such that a detection value of a temperature sensor 28 becomes a predetermined value within a range of, for example, 85-95°C.


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Inventors:
TAKAHASHI KAZUO
MATSUMURA MASAYOSHI
NARUKAWA YUTAKA
ADACHI SHIGETO
Application Number:
JP2011033605A
Publication Date:
September 10, 2012
Filing Date:
February 18, 2011
Export Citation:
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Assignee:
KOBE STEEL LTD
International Classes:
F24D3/10; F24D1/06
Domestic Patent References:
JP2009097735A2009-05-07
JPS5274148A1977-06-21
JPS5431124B21979-10-04
JPS5115165Y11976-04-21
JP2005282878A2005-10-13
JPH03115799A1991-05-16
JP2002156493A2002-05-31
JPH11101106A1999-04-13
JPH01281377A1989-11-13
JP2007064048A2007-03-15
JP2004251125A2004-09-09
JPS56158705U1981-11-26
JPH0457007U1992-05-15
JPH05280304A1993-10-26
JPH0237130A1990-02-07
JPH09291802A1997-11-11
JPH1182912A1999-03-26
JP2010112699A2010-05-20
Attorney, Agent or Firm:
Yoshiyuki Kaji
Makoto Suhara
Tetsuya Ikaku



 
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