Title:
MONITORING DEVICE AND METHOD, AND CLEANING SYSTEM AND METHOD FOR HEAT TRANSFER TUBES
Document Type and Number:
WIPO Patent Application WO/2020/240914
Kind Code:
A1
Abstract:
A monitoring device (18) for monitoring the cleaning state of an observation test piece (80) on which scale is deposited comprises: a casing (30); a window member (42) that is attached to the casing and forms an accommodation space (33) for accommodating the test piece together with the casing; a guide member (40) for positioning the test piece in the accommodation space so that the scale-deposited surface (84) of the test piece on which scale is deposited and the window member face each other and so that a cleaning liquid flow path (54) is formed between the scale-deposited surface of the test piece and the window member; a cleaning liquid inlet (56) for introducing cleaning liquid into the flow path; and a cleaning liquid outlet (62) for discharging the cleaning liquid from the flow path.
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Inventors:
OTSUKA MIZUKI (JP)
NOGUCHI YOSHINORI (JP)
EGAWA KAORU (JP)
KAWASAKI HIROKI (JP)
YOKOYAMA YUTAKA (JP)
NOGUCHI YOSHINORI (JP)
EGAWA KAORU (JP)
KAWASAKI HIROKI (JP)
YOKOYAMA YUTAKA (JP)
Application Number:
PCT/JP2020/001519
Publication Date:
December 03, 2020
Filing Date:
January 17, 2020
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F22B37/38; F22B37/52; F28G9/00
Foreign References:
| JP2016017659A | 2016-02-01 | |||
| KR101657030B1 | 2016-09-13 | |||
| JP2013134022A | 2013-07-08 |
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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