Centrifugal pump

The invention provides a centrifugal pump which comprises a shell, an impeller, a sealing cavity, a supporting base, an auxiliary impeller and a pump shaft. A two-end sealing and independent lubricating and cooling structure is adopted, transmitted media are completely isolated from parts of a mecha...

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1. Verfasser:	SHI QINFEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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creator	SHI QINFEN
description	The invention provides a centrifugal pump which comprises a shell, an impeller, a sealing cavity, a supporting base, an auxiliary impeller and a pump shaft. A two-end sealing and independent lubricating and cooling structure is adopted, transmitted media are completely isolated from parts of a mechanical seal, and lubricating and cooling of the mechanical seal are completed through lubricating oilin a mechanical seal cavity. The centrifugal pump is high in pressure resistance, free of erosion and corrosion from the transmitted media, free of abrasion to the pump shaft and a shaft sleeve, stable to work, free of maintenance, long in service life and capable of achieving empty running, and a shaft seal is an independent mechanical seal assembly, and is easy to disassemble, assemble and interchange. Field use tests of more than two years show that the centrifugal pump completely meets SY/T5612-2007 standard requirements. 本发明提供了种离心泵，包括壳体、叶轮、密封腔、支撑座、副叶轮和泵轴。采用双端密封，独立润滑、冷却结构，将传输的介质与机械密封各零部件完全隔离开，机械密封本身的润滑和冷却由机械密封腔体内
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A two-end sealing and independent lubricating and cooling structure is adopted, transmitted media are completely isolated from parts of a mechanical seal, and lubricating and cooling of the mechanical seal are completed through lubricating oilin a mechanical seal cavity. The centrifugal pump is high in pressure resistance, free of erosion and corrosion from the transmitted media, free of abrasion to the pump shaft and a shaft sleeve, stable to work, free of maintenance, long in service life and capable of achieving empty running, and a shaft seal is an independent mechanical seal assembly, and is easy to disassemble, assemble and interchange. Field use tests of more than two years show that the centrifugal pump completely meets SY/T5612-2007 standard requirements. 本发明提供了种离心泵，包括壳体、叶轮、密封腔、支撑座、副叶轮和泵轴。采用双端密封，独立润滑、冷却结构，将传输的介质与机械密封各零部件完全隔离开，机械密封本身的润滑和冷却由机械密封腔体内</description><language>chi ; eng</language><subject>BLASTING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; NON-POSITIVE DISPLACEMENT PUMPS ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; WEAPONS</subject><creationdate>2019</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=20190319&DB=EPODOC&CC=CN&NR=109488636A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25565,76548</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190319&DB=EPODOC&CC=CN&NR=109488636A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHI QINFEN</creatorcontrib><title>Centrifugal pump</title><description>The invention provides a centrifugal pump which comprises a shell, an impeller, a sealing cavity, a supporting base, an auxiliary impeller and a pump shaft. A two-end sealing and independent lubricating and cooling structure is adopted, transmitted media are completely isolated from parts of a mechanical seal, and lubricating and cooling of the mechanical seal are completed through lubricating oilin a mechanical seal cavity. The centrifugal pump is high in pressure resistance, free of erosion and corrosion from the transmitted media, free of abrasion to the pump shaft and a shaft sleeve, stable to work, free of maintenance, long in service life and capable of achieving empty running, and a shaft seal is an independent mechanical seal assembly, and is easy to disassemble, assemble and interchange. Field use tests of more than two years show that the centrifugal pump completely meets SY/T5612-2007 standard requirements. 本发明提供了种离心泵，包括壳体、叶轮、密封腔、支撑座、副叶轮和泵轴。采用双端密封，独立润滑、冷却结构，将传输的介质与机械密封各零部件完全隔离开，机械密封本身的润滑和冷却由机械密封腔体内</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>NON-POSITIVE DISPLACEMENT PUMPS</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBBwTs0rKcpMK01PzFEoKM0t4GFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8c5-hgaWJhYWZsZmjsbEqAEAs1kfZw</recordid><startdate>20190319</startdate><enddate>20190319</enddate><creator>SHI QINFEN</creator><scope>EVB</scope></search><sort><creationdate>20190319</creationdate><title>Centrifugal pump</title><author>SHI QINFEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN109488636A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2019</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>NON-POSITIVE DISPLACEMENT PUMPS</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SHI QINFEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHI QINFEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Centrifugal pump</title><date>2019-03-19</date><risdate>2019</risdate><abstract>The invention provides a centrifugal pump which comprises a shell, an impeller, a sealing cavity, a supporting base, an auxiliary impeller and a pump shaft. A two-end sealing and independent lubricating and cooling structure is adopted, transmitted media are completely isolated from parts of a mechanical seal, and lubricating and cooling of the mechanical seal are completed through lubricating oilin a mechanical seal cavity. The centrifugal pump is high in pressure resistance, free of erosion and corrosion from the transmitted media, free of abrasion to the pump shaft and a shaft sleeve, stable to work, free of maintenance, long in service life and capable of achieving empty running, and a shaft seal is an independent mechanical seal assembly, and is easy to disassemble, assemble and interchange. Field use tests of more than two years show that the centrifugal pump completely meets SY/T5612-2007 standard requirements. 本发明提供了种离心泵，包括壳体、叶轮、密封腔、支撑座、副叶轮和泵轴。采用双端密封，独立润滑、冷却结构，将传输的介质与机械密封各零部件完全隔离开，机械密封本身的润滑和冷却由机械密封腔体内</abstract><oa>free_for_read</oa></addata></record>
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language	chi ; eng
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subjects	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
title	Centrifugal pump
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