Method for preparing natural hydraulic lime by using limestone and quartz powder
The invention relates to a method for preparing natural hydraulic lime by using limestone and quartz powder, and belongs to a building material. The method is implemented by taking limestone as a main raw material through the steps of adding high-purity quartz powder to adjust the ratio of calcium o...
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| creator | LAN MINGZHANG CUI SUPING MAO QIANJIN WANG YALI MA HAIFENG WANG ZIMING |
| description | The invention relates to a method for preparing natural hydraulic lime by using limestone and quartz powder, and belongs to a building material. The method is implemented by taking limestone as a main raw material through the steps of adding high-purity quartz powder to adjust the ratio of calcium oxide and silicon oxide, controlling the content of alumina, carrying out mixed material co-grinding for 6-10 hours by using a ball mill, adding water with a mass accounting for 8% of the mass of a mixed raw material, fully stirring, putting the obtained object into a sealing bag to place for 6-7 hours, pressing the obtained object into a cylinder, drying the cylinder by using a drying oven, putting the cylinder into a muffle furnace to calcinate for 3 hours at a temperature of 1100-1200 DEG C, cooling the calcinated material to room temperature in the air by air cooling, determining the free calcium oxide content of the calcinated product, adding a certain amount of water for slaking into the calcinated product, and after the slaking process is completed, obtaining desirable natural hydraulic lime. |
| format | Patent |
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The method is implemented by taking limestone as a main raw material through the steps of adding high-purity quartz powder to adjust the ratio of calcium oxide and silicon oxide, controlling the content of alumina, carrying out mixed material co-grinding for 6-10 hours by using a ball mill, adding water with a mass accounting for 8% of the mass of a mixed raw material, fully stirring, putting the obtained object into a sealing bag to place for 6-7 hours, pressing the obtained object into a cylinder, drying the cylinder by using a drying oven, putting the cylinder into a muffle furnace to calcinate for 3 hours at a temperature of 1100-1200 DEG C, cooling the calcinated material to room temperature in the air by air cooling, determining the free calcium oxide content of the calcinated product, adding a certain amount of water for slaking into the calcinated product, and after the slaking process is completed, obtaining desirable natural hydraulic lime.</description><language>eng</language><subject>ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; LIME, MAGNESIA ; METALLURGY ; REFRACTORIES ; SLAG ; TREATMENT OF NATURAL STONE</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=20150624&DB=EPODOC&CC=CN&NR=104724953A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150624&DB=EPODOC&CC=CN&NR=104724953A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LAN MINGZHANG</creatorcontrib><creatorcontrib>CUI SUPING</creatorcontrib><creatorcontrib>MAO QIANJIN</creatorcontrib><creatorcontrib>WANG YALI</creatorcontrib><creatorcontrib>MA HAIFENG</creatorcontrib><creatorcontrib>WANG ZIMING</creatorcontrib><title>Method for preparing natural hydraulic lime by using limestone and quartz powder</title><description>The invention relates to a method for preparing natural hydraulic lime by using limestone and quartz powder, and belongs to a building material. The method is implemented by taking limestone as a main raw material through the steps of adding high-purity quartz powder to adjust the ratio of calcium oxide and silicon oxide, controlling the content of alumina, carrying out mixed material co-grinding for 6-10 hours by using a ball mill, adding water with a mass accounting for 8% of the mass of a mixed raw material, fully stirring, putting the obtained object into a sealing bag to place for 6-7 hours, pressing the obtained object into a cylinder, drying the cylinder by using a drying oven, putting the cylinder into a muffle furnace to calcinate for 3 hours at a temperature of 1100-1200 DEG C, cooling the calcinated material to room temperature in the air by air cooling, determining the free calcium oxide content of the calcinated product, adding a certain amount of water for slaking into the calcinated product, and after the slaking process is completed, obtaining desirable natural hydraulic lime.</description><subject>ARTIFICIAL STONE</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>CONCRETE</subject><subject>LIME, MAGNESIA</subject><subject>METALLURGY</subject><subject>REFRACTORIES</subject><subject>SLAG</subject><subject>TREATMENT OF NATURAL STONE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAjwTS3JyE9RSMsvUigoSi1ILMrMS1fISywpLUrMUcioTClKLM3JTFbIycxNVUiqVCgtBsmDeMUl-XmpCol5KQqFpYlFJVUKBfnlKalFPAysaYk5xam8UJqbQdHNNcTZQze1ID8-tbggMTk1L7Uk3tnP0MDE3MjE0tTY0ZgYNQC_8Tes</recordid><startdate>20150624</startdate><enddate>20150624</enddate><creator>LAN MINGZHANG</creator><creator>CUI SUPING</creator><creator>MAO QIANJIN</creator><creator>WANG YALI</creator><creator>MA HAIFENG</creator><creator>WANG ZIMING</creator><scope>EVB</scope></search><sort><creationdate>20150624</creationdate><title>Method for preparing natural hydraulic lime by using limestone and quartz powder</title><author>LAN MINGZHANG ; CUI SUPING ; MAO QIANJIN ; WANG YALI ; MA HAIFENG ; WANG ZIMING</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104724953A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>ARTIFICIAL STONE</topic><topic>CEMENTS</topic><topic>CERAMICS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</topic><topic>CONCRETE</topic><topic>LIME, MAGNESIA</topic><topic>METALLURGY</topic><topic>REFRACTORIES</topic><topic>SLAG</topic><topic>TREATMENT OF NATURAL STONE</topic><toplevel>online_resources</toplevel><creatorcontrib>LAN MINGZHANG</creatorcontrib><creatorcontrib>CUI SUPING</creatorcontrib><creatorcontrib>MAO QIANJIN</creatorcontrib><creatorcontrib>WANG YALI</creatorcontrib><creatorcontrib>MA HAIFENG</creatorcontrib><creatorcontrib>WANG ZIMING</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LAN MINGZHANG</au><au>CUI SUPING</au><au>MAO QIANJIN</au><au>WANG YALI</au><au>MA HAIFENG</au><au>WANG ZIMING</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for preparing natural hydraulic lime by using limestone and quartz powder</title><date>2015-06-24</date><risdate>2015</risdate><abstract>The invention relates to a method for preparing natural hydraulic lime by using limestone and quartz powder, and belongs to a building material. 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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE |
| title | Method for preparing natural hydraulic lime by using limestone and quartz powder |
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