Coal flow monitor for pulveriser - uses radiation sensor to detect coal volume in zone to operate partial or empty alarm signals

A radiation sensitive detector senses the amount of coal present at a zone of the pipe and generates a stream of pulses which is sampled at discrete sample intervals of time to determine whether the conduit zone is empty, partially filled or filled. If the conduit zone is partially filled, a partial...

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1. Verfasser: DONALD W. LAPLANTE, ARTHUR FAIRCHILD ET EUGENE L. REBUCCI
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creator DONALD W. LAPLANTE, ARTHUR FAIRCHILD ET EUGENE L. REBUCCI
description A radiation sensitive detector senses the amount of coal present at a zone of the pipe and generates a stream of pulses which is sampled at discrete sample intervals of time to determine whether the conduit zone is empty, partially filled or filled. If the conduit zone is partially filled, a partial alarm is generated. A determination is made as to whether the conduit zone is empty. If the conduit zone is empty, an empty alarm is generated and the feeder is stopped after a predetermined amount of coal has been deposited on the feeder. If the conduit zone is partially filled and a shut-off valve between the bunker and conduit is closed, a coal build-up alarm is generated. If the conduit zone is filled and the profile of coal at the feeder is not at full profile, a coal hang-up alarm is generated. If the conduit zone is partially filled and the profile of coal at the feeder is at full profile, a vent alarm is generated. A self-testing circuit periodically simulates each of these conditions to test the unit. APPAREIL POUR CONTROLER L'ECOULEMENT DU CHARBON A PARTIR D'UNE SOUTE A CHARBON A TRAVERS UN CONDUIT ABOUTISSANT A UN ALIMENTEUR QUI DELIVRE LE CHARBON A UN BROYEUR.APPAREIL CARACTERISE EN CE QU'IL COMPORTE DES MOYENS POUR DETECTER LA QUANTITE DE CHARBON PRESENT DANS UNE ZONE DE LA CONDUITE ENTRE LA SOUTE ET L'ALIMENTEUR 18 ET POUR ENGENDRER UN SIGNAL PULSE INDIQUANT CETTE QUANTITE; DES MOYENS 36 REAGISSANT A CE SIGNAL PULSE POUR DETERMINER SI LA QUANTITE DE CHARBON PASSANT A TRAVERS CETTE ZONE DE LA CONDUITE, PENDANT UN INTERVALLE DISCRET DE TEMPS, N'EST PAS SUPERIEURE A UNE PREMIERE VALEUR SELECTIONNEE, ET POUR ENGENDRER UN SIGNAL D'ETAT D'ECOULEMENT PARTIEL POF INDIQUANT CETTE SITUATION.L'INVENTION S'APPLIQUE NOTAMMENT A L'ALIMENTATION DES CENTRALES A CHARBON.
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REBUCCI</creatorcontrib><description>A radiation sensitive detector senses the amount of coal present at a zone of the pipe and generates a stream of pulses which is sampled at discrete sample intervals of time to determine whether the conduit zone is empty, partially filled or filled. If the conduit zone is partially filled, a partial alarm is generated. A determination is made as to whether the conduit zone is empty. If the conduit zone is empty, an empty alarm is generated and the feeder is stopped after a predetermined amount of coal has been deposited on the feeder. If the conduit zone is partially filled and a shut-off valve between the bunker and conduit is closed, a coal build-up alarm is generated. If the conduit zone is filled and the profile of coal at the feeder is not at full profile, a coal hang-up alarm is generated. If the conduit zone is partially filled and the profile of coal at the feeder is at full profile, a vent alarm is generated. 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APPAREIL POUR CONTROLER L'ECOULEMENT DU CHARBON A PARTIR D'UNE SOUTE A CHARBON A TRAVERS UN CONDUIT ABOUTISSANT A UN ALIMENTEUR QUI DELIVRE LE CHARBON A UN BROYEUR.APPAREIL CARACTERISE EN CE QU'IL COMPORTE DES MOYENS POUR DETECTER LA QUANTITE DE CHARBON PRESENT DANS UNE ZONE DE LA CONDUITE ENTRE LA SOUTE ET L'ALIMENTEUR 18 ET POUR ENGENDRER UN SIGNAL PULSE INDIQUANT CETTE QUANTITE; DES MOYENS 36 REAGISSANT A CE SIGNAL PULSE POUR DETERMINER SI LA QUANTITE DE CHARBON PASSANT A TRAVERS CETTE ZONE DE LA CONDUITE, PENDANT UN INTERVALLE DISCRET DE TEMPS, N'EST PAS SUPERIEURE A UNE PREMIERE VALEUR SELECTIONNEE, ET POUR ENGENDRER UN SIGNAL D'ETAT D'ECOULEMENT PARTIEL POF INDIQUANT CETTE SITUATION.L'INVENTION S'APPLIQUE NOTAMMENT A L'ALIMENTATION DES CENTRALES A CHARBON.</description><language>eng ; fre</language><subject>CHEMISTRY ; CONVEYING ; CRUSHING, PULVERISING, OR DISINTEGRATING ; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL ; HANDLING THIN OR FILAMENTARY MATERIAL ; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT ; MANUFACTURE OF IRON OR STEEL ; MEASURING ; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK ; METALLURGY ; METALLURGY OF IRON ; MILLING GRAIN ; PACKING ; PERFORMING OPERATIONS ; PHYSICS ; PNEUMATIC TUBE CONVEYORS ; PREPARATORY TREATMENT OF GRAIN FOR MILLING ; SHOP CONVEYOR SYSTEMS ; STORING ; TESTING ; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING ; TRANSPORTING</subject><creationdate>1983</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=19830318&amp;DB=EPODOC&amp;CC=FR&amp;NR=2512927A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19830318&amp;DB=EPODOC&amp;CC=FR&amp;NR=2512927A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DONALD W. LAPLANTE, ARTHUR FAIRCHILD ET EUGENE L. REBUCCI</creatorcontrib><title>Coal flow monitor for pulveriser - uses radiation sensor to detect coal volume in zone to operate partial or empty alarm signals</title><description>A radiation sensitive detector senses the amount of coal present at a zone of the pipe and generates a stream of pulses which is sampled at discrete sample intervals of time to determine whether the conduit zone is empty, partially filled or filled. If the conduit zone is partially filled, a partial alarm is generated. A determination is made as to whether the conduit zone is empty. If the conduit zone is empty, an empty alarm is generated and the feeder is stopped after a predetermined amount of coal has been deposited on the feeder. If the conduit zone is partially filled and a shut-off valve between the bunker and conduit is closed, a coal build-up alarm is generated. 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REBUCCI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_FR2512927A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1983</creationdate><topic>CHEMISTRY</topic><topic>CONVEYING</topic><topic>CRUSHING, PULVERISING, OR DISINTEGRATING</topic><topic>CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL</topic><topic>HANDLING THIN OR FILAMENTARY MATERIAL</topic><topic>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</topic><topic>MANUFACTURE OF IRON OR STEEL</topic><topic>MEASURING</topic><topic>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MILLING GRAIN</topic><topic>PACKING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>PNEUMATIC TUBE CONVEYORS</topic><topic>PREPARATORY TREATMENT OF GRAIN FOR MILLING</topic><topic>SHOP CONVEYOR SYSTEMS</topic><topic>STORING</topic><topic>TESTING</topic><topic>TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>DONALD W. LAPLANTE, ARTHUR FAIRCHILD ET EUGENE L. REBUCCI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DONALD W. LAPLANTE, ARTHUR FAIRCHILD ET EUGENE L. REBUCCI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Coal flow monitor for pulveriser - uses radiation sensor to detect coal volume in zone to operate partial or empty alarm signals</title><date>1983-03-18</date><risdate>1983</risdate><abstract>A radiation sensitive detector senses the amount of coal present at a zone of the pipe and generates a stream of pulses which is sampled at discrete sample intervals of time to determine whether the conduit zone is empty, partially filled or filled. If the conduit zone is partially filled, a partial alarm is generated. A determination is made as to whether the conduit zone is empty. If the conduit zone is empty, an empty alarm is generated and the feeder is stopped after a predetermined amount of coal has been deposited on the feeder. If the conduit zone is partially filled and a shut-off valve between the bunker and conduit is closed, a coal build-up alarm is generated. If the conduit zone is filled and the profile of coal at the feeder is not at full profile, a coal hang-up alarm is generated. If the conduit zone is partially filled and the profile of coal at the feeder is at full profile, a vent alarm is generated. A self-testing circuit periodically simulates each of these conditions to test the unit. APPAREIL POUR CONTROLER L'ECOULEMENT DU CHARBON A PARTIR D'UNE SOUTE A CHARBON A TRAVERS UN CONDUIT ABOUTISSANT A UN ALIMENTEUR QUI DELIVRE LE CHARBON A UN BROYEUR.APPAREIL CARACTERISE EN CE QU'IL COMPORTE DES MOYENS POUR DETECTER LA QUANTITE DE CHARBON PRESENT DANS UNE ZONE DE LA CONDUITE ENTRE LA SOUTE ET L'ALIMENTEUR 18 ET POUR ENGENDRER UN SIGNAL PULSE INDIQUANT CETTE QUANTITE; DES MOYENS 36 REAGISSANT A CE SIGNAL PULSE POUR DETERMINER SI LA QUANTITE DE CHARBON PASSANT A TRAVERS CETTE ZONE DE LA CONDUITE, PENDANT UN INTERVALLE DISCRET DE TEMPS, N'EST PAS SUPERIEURE A UNE PREMIERE VALEUR SELECTIONNEE, ET POUR ENGENDRER UN SIGNAL D'ETAT D'ECOULEMENT PARTIEL POF INDIQUANT CETTE SITUATION.L'INVENTION S'APPLIQUE NOTAMMENT A L'ALIMENTATION DES CENTRALES A CHARBON.</abstract><oa>free_for_read</oa></addata></record>
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language eng ; fre
recordid cdi_epo_espacenet_FR2512927A1
source esp@cenet
subjects CHEMISTRY
CONVEYING
CRUSHING, PULVERISING, OR DISINTEGRATING
CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL
HANDLING THIN OR FILAMENTARY MATERIAL
INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
MANUFACTURE OF IRON OR STEEL
MEASURING
MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK
METALLURGY
METALLURGY OF IRON
MILLING GRAIN
PACKING
PERFORMING OPERATIONS
PHYSICS
PNEUMATIC TUBE CONVEYORS
PREPARATORY TREATMENT OF GRAIN FOR MILLING
SHOP CONVEYOR SYSTEMS
STORING
TESTING
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING
TRANSPORTING
title Coal flow monitor for pulveriser - uses radiation sensor to detect coal volume in zone to operate partial or empty alarm signals
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