Feeding pressure control method for whirlcone
The invention discloses a feeding pressure control method for a whirlcone. The feeding pressure of the whirlcone is controlled by a control method combining continuous control with logic control. The method comprises the following steps: when deviation of the feeding pressure is smaller than a set t...
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| creator | LI ZHIHONG CHEN RUOHENG LIU ZHIJIE HU JUNWEN |
| description | The invention discloses a feeding pressure control method for a whirlcone. The feeding pressure of the whirlcone is controlled by a control method combining continuous control with logic control. The method comprises the following steps: when deviation of the feeding pressure is smaller than a set threshold, adopting continuous control, and carrying out continuous and steady adjustment on the feeding pressure, so that the deviation of the feeding pressure is close to a feeding pressure set value; when the deviation of the feeding pressure is greater than the set threshold, adopting logic control, and rapidly reducing the deviation of the feeding pressure; and once the deviation of the feeding pressure is smaller than the threshold, entering a continuous adjustment stage, and carrying out continuous and steady adjustment on the feeding pressure through a transducer, so that the deviation of the feeding pressure is close to the feeding pressure set value. According to the control method disclosed by the invention, the feeding pressure of the whirlcone is stabilized within a fluctuation range required by production, so that the indexes of 'overflow particle size' of the whirlcone are ensured. |
| format | Patent |
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The feeding pressure of the whirlcone is controlled by a control method combining continuous control with logic control. The method comprises the following steps: when deviation of the feeding pressure is smaller than a set threshold, adopting continuous control, and carrying out continuous and steady adjustment on the feeding pressure, so that the deviation of the feeding pressure is close to a feeding pressure set value; when the deviation of the feeding pressure is greater than the set threshold, adopting logic control, and rapidly reducing the deviation of the feeding pressure; and once the deviation of the feeding pressure is smaller than the threshold, entering a continuous adjustment stage, and carrying out continuous and steady adjustment on the feeding pressure through a transducer, so that the deviation of the feeding pressure is close to the feeding pressure set value. According to the control method disclosed by the invention, the feeding pressure of the whirlcone is stabilized within a fluctuation range required by production, so that the indexes of 'overflow particle size' of the whirlcone are ensured.</description><language>eng</language><subject>APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES ; CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES ; PERFORMING OPERATIONS ; TRANSPORTING</subject><creationdate>2015</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&date=20150429&DB=EPODOC&CC=CN&NR=104549795A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150429&DB=EPODOC&CC=CN&NR=104549795A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI ZHIHONG</creatorcontrib><creatorcontrib>CHEN RUOHENG</creatorcontrib><creatorcontrib>LIU ZHIJIE</creatorcontrib><creatorcontrib>HU JUNWEN</creatorcontrib><title>Feeding pressure control method for whirlcone</title><description>The invention discloses a feeding pressure control method for a whirlcone. The feeding pressure of the whirlcone is controlled by a control method combining continuous control with logic control. The method comprises the following steps: when deviation of the feeding pressure is smaller than a set threshold, adopting continuous control, and carrying out continuous and steady adjustment on the feeding pressure, so that the deviation of the feeding pressure is close to a feeding pressure set value; when the deviation of the feeding pressure is greater than the set threshold, adopting logic control, and rapidly reducing the deviation of the feeding pressure; and once the deviation of the feeding pressure is smaller than the threshold, entering a continuous adjustment stage, and carrying out continuous and steady adjustment on the feeding pressure through a transducer, so that the deviation of the feeding pressure is close to the feeding pressure set value. According to the control method disclosed by the invention, the feeding pressure of the whirlcone is stabilized within a fluctuation range required by production, so that the indexes of 'overflow particle size' of the whirlcone are ensured.</description><subject>APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES</subject><subject>CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES</subject><subject>PERFORMING OPERATIONS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB1S01NycxLVygoSi0uLi1KVUjOzyspys9RyE0tychPUUjLL1Ioz8gsygGKp_IwsKYl5hSn8kJpbgZFN9cQZw_d1IL8-NTigsTk1LzUknhnP0MDE1MTS3NLU0djYtQAAOd_Kos</recordid><startdate>20150429</startdate><enddate>20150429</enddate><creator>LI ZHIHONG</creator><creator>CHEN RUOHENG</creator><creator>LIU ZHIJIE</creator><creator>HU JUNWEN</creator><scope>EVB</scope></search><sort><creationdate>20150429</creationdate><title>Feeding pressure control method for whirlcone</title><author>LI ZHIHONG ; CHEN RUOHENG ; LIU ZHIJIE ; HU JUNWEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104549795A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES</topic><topic>CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES</topic><topic>PERFORMING OPERATIONS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>LI ZHIHONG</creatorcontrib><creatorcontrib>CHEN RUOHENG</creatorcontrib><creatorcontrib>LIU ZHIJIE</creatorcontrib><creatorcontrib>HU JUNWEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LI ZHIHONG</au><au>CHEN RUOHENG</au><au>LIU ZHIJIE</au><au>HU JUNWEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Feeding pressure control method for whirlcone</title><date>2015-04-29</date><risdate>2015</risdate><abstract>The invention discloses a feeding pressure control method for a whirlcone. The feeding pressure of the whirlcone is controlled by a control method combining continuous control with logic control. The method comprises the following steps: when deviation of the feeding pressure is smaller than a set threshold, adopting continuous control, and carrying out continuous and steady adjustment on the feeding pressure, so that the deviation of the feeding pressure is close to a feeding pressure set value; when the deviation of the feeding pressure is greater than the set threshold, adopting logic control, and rapidly reducing the deviation of the feeding pressure; and once the deviation of the feeding pressure is smaller than the threshold, entering a continuous adjustment stage, and carrying out continuous and steady adjustment on the feeding pressure through a transducer, so that the deviation of the feeding pressure is close to the feeding pressure set value. According to the control method disclosed by the invention, the feeding pressure of the whirlcone is stabilized within a fluctuation range required by production, so that the indexes of 'overflow particle size' of the whirlcone are ensured.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES PERFORMING OPERATIONS TRANSPORTING |
| title | Feeding pressure control method for whirlcone |
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