JP2558700B

PURPOSE:To perform warming of a superheater and the like automatically and to improve reliability, by comparing the input port temperature of the superheater, the output port temperature of the superheater and the rates of temperature change with preset values, and controlling a regulating valve for...

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1. Verfasser: TAKESHIMA TOKUYUKI
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description PURPOSE:To perform warming of a superheater and the like automatically and to improve reliability, by comparing the input port temperature of the superheater, the output port temperature of the superheater and the rates of temperature change with preset values, and controlling a regulating valve for the flow rate of auxiliary steam for warming. CONSTITUTION:A valve opening control device 17 controls the opening degree of a regulating valve 7 for the flow rate of auxiliary steam for warming based on the detected signals from an input port temperature detector 12 for a superheater, an output port temperature detector 13 for the superheater and a sodium temperature detector 16 at the output port of the superheater. The input port temperature and the output port temperature of the superheater, which are detected with the detectors 12 and 13, are compared with the preset values, which are determined by fixed preset values and the function of the sodium temperature at the input port of the superheater. The value having higher deviation is made to be a temperature deviation signal. The rates of temperature changes of the input port temperature and the output port temperature of the superheater are compared with the fixed preset value, and the value having the lower deviation is made to be the deviation integrated signal of the rate of temperature change. The temperature deviation signal and the deviation integrated signal of the rate of temperature change are compared with each other. The lower signal undergoes proportional integration, and the result is made to be the opening degree control signal for the regulating valve 7.
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CONSTITUTION:A valve opening control device 17 controls the opening degree of a regulating valve 7 for the flow rate of auxiliary steam for warming based on the detected signals from an input port temperature detector 12 for a superheater, an output port temperature detector 13 for the superheater and a sodium temperature detector 16 at the output port of the superheater. The input port temperature and the output port temperature of the superheater, which are detected with the detectors 12 and 13, are compared with the preset values, which are determined by fixed preset values and the function of the sodium temperature at the input port of the superheater. The value having higher deviation is made to be a temperature deviation signal. The rates of temperature changes of the input port temperature and the output port temperature of the superheater are compared with the fixed preset value, and the value having the lower deviation is made to be the deviation integrated signal of the rate of temperature change. The temperature deviation signal and the deviation integrated signal of the rate of temperature change are compared with each other. The lower signal undergoes proportional integration, and the result is made to be the opening degree control signal for the regulating valve 7.</description><edition>6</edition><language>eng</language><subject>BLASTING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; NUCLEAR ENGINEERING ; NUCLEAR PHYSICS ; NUCLEAR POWER PLANT ; PHYSICS ; STEAM GENERATION ; SUPERHEATING OF STEAM ; WEAPONS</subject><creationdate>1996</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19961127&amp;DB=EPODOC&amp;CC=JP&amp;NR=2558700B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19961127&amp;DB=EPODOC&amp;CC=JP&amp;NR=2558700B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKESHIMA TOKUYUKI</creatorcontrib><title>JP2558700B</title><description>PURPOSE:To perform warming of a superheater and the like automatically and to improve reliability, by comparing the input port temperature of the superheater, the output port temperature of the superheater and the rates of temperature change with preset values, and controlling a regulating valve for the flow rate of auxiliary steam for warming. CONSTITUTION:A valve opening control device 17 controls the opening degree of a regulating valve 7 for the flow rate of auxiliary steam for warming based on the detected signals from an input port temperature detector 12 for a superheater, an output port temperature detector 13 for the superheater and a sodium temperature detector 16 at the output port of the superheater. The input port temperature and the output port temperature of the superheater, which are detected with the detectors 12 and 13, are compared with the preset values, which are determined by fixed preset values and the function of the sodium temperature at the input port of the superheater. The value having higher deviation is made to be a temperature deviation signal. The rates of temperature changes of the input port temperature and the output port temperature of the superheater are compared with the fixed preset value, and the value having the lower deviation is made to be the deviation integrated signal of the rate of temperature change. The temperature deviation signal and the deviation integrated signal of the rate of temperature change are compared with each other. The lower signal undergoes proportional integration, and the result is made to be the opening degree control signal for the regulating valve 7.</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>NUCLEAR ENGINEERING</subject><subject>NUCLEAR PHYSICS</subject><subject>NUCLEAR POWER PLANT</subject><subject>PHYSICS</subject><subject>STEAM GENERATION</subject><subject>SUPERHEATING OF STEAM</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1996</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODyCjAyNbUwNzBw4mFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8QgNTkbGxKgBACXKG2o</recordid><startdate>19961127</startdate><enddate>19961127</enddate><creator>TAKESHIMA TOKUYUKI</creator><scope>EVB</scope></search><sort><creationdate>19961127</creationdate><title>JP2558700B</title><author>TAKESHIMA TOKUYUKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2558700BB23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1996</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>NUCLEAR ENGINEERING</topic><topic>NUCLEAR PHYSICS</topic><topic>NUCLEAR POWER PLANT</topic><topic>PHYSICS</topic><topic>STEAM GENERATION</topic><topic>SUPERHEATING OF STEAM</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>TAKESHIMA TOKUYUKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAKESHIMA TOKUYUKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>JP2558700B</title><date>1996-11-27</date><risdate>1996</risdate><abstract>PURPOSE:To perform warming of a superheater and the like automatically and to improve reliability, by comparing the input port temperature of the superheater, the output port temperature of the superheater and the rates of temperature change with preset values, and controlling a regulating valve for the flow rate of auxiliary steam for warming. CONSTITUTION:A valve opening control device 17 controls the opening degree of a regulating valve 7 for the flow rate of auxiliary steam for warming based on the detected signals from an input port temperature detector 12 for a superheater, an output port temperature detector 13 for the superheater and a sodium temperature detector 16 at the output port of the superheater. The input port temperature and the output port temperature of the superheater, which are detected with the detectors 12 and 13, are compared with the preset values, which are determined by fixed preset values and the function of the sodium temperature at the input port of the superheater. The value having higher deviation is made to be a temperature deviation signal. The rates of temperature changes of the input port temperature and the output port temperature of the superheater are compared with the fixed preset value, and the value having the lower deviation is made to be the deviation integrated signal of the rate of temperature change. The temperature deviation signal and the deviation integrated signal of the rate of temperature change are compared with each other. The lower signal undergoes proportional integration, and the result is made to be the opening degree control signal for the regulating valve 7.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR POWER PLANT
PHYSICS
STEAM GENERATION
SUPERHEATING OF STEAM
WEAPONS
title JP2558700B
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