序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
21 在氟石膏利用过程中对有害物在线检测及自动处理的方法 CN200710018979.5 2007-10-18 CN100506732C 2009-07-01 冯启彪; 侯文虎; 田斌守; 宋旭辉; 杨永恒; 李玉玺; 康小军
发明涉及一种在氟石膏利用过程中对有害物在线检测及自动处理的方法,该方法包括以下步骤:首先将氟石膏破碎后进沸腾炉,用HF气体探测仪探测HF气体的浓度;若未探测到HF气体,则自动处理装置处于待命状态;若探测到HF气体,则控制仪根据所测浓度值给出2~22mA的标准电流信号,并通过变频调速器调节螺旋给料器的转速在0~200转/min范围内;然后按0~20kg/min给料速度将石灰加入破碎机,混合均匀后进入沸腾炉反应。本发明可实现对氟石膏进行在线检测并自动进行无毒害处理,同时待反应完毕,经粉磨加改性剂混合后可得建筑石膏,所制得的建筑石膏中氟化物限量符合现行的国家标准规范要求。
22 生活垃圾分拣后残余灰渣直接用于生产泥的方法 CN200710054732.9 2007-07-06 CN101337776A 2009-01-07 杨力远; 马军涛; 马光义; 田永生
发明涉及一种生活垃圾分拣后残余灰渣直接用于生产泥的方法,包括以下步骤:(1)生活垃圾的分拣;(2)分拣残渣的除臭灭菌;(3)灰渣的陈化;(4)确定灰渣的掺入量;(5)入窑煅烧;(6)煅烧所得熟料与石膏配合入水泥磨,制成水泥。采用本发明的方法具有以下效果:(1)直接将生活垃圾分拣残渣用作水泥生产,可以变废为宝,节省了宝贵的粘土资源和炭资源;(2)减少了掩埋、焚烧生活垃圾设备所需要的大量资金,降低了生活垃圾处理成本;(3)可以有效地清除生活垃圾处理过程中的有害成分,保证清洁生产和排放达标;(4)对水泥产品的质量不会产生任何有害影响。经过反复试验,生活垃圾分拣后的残余灰渣可以直接投入水泥窑中进行生产,节省了大量的投资,而且对水泥的产品质量没有任何影响。
23 安全型自应酸盐泥及其制造方法 CN94101624.2 1994-02-07 CN1059183C 2000-12-06 李乃珍; 肖山虎; 李广孝; 彭建中; 刘兰计
发明提供了一种安全型自应酸盐泥及其制造方法,其主要组分为硫铝酸盐水泥熟料和SO3含量≥34%的二水石膏,二者的重量比为100∶G,G=100(1.68A-2.14S+2.87kS)/2.15S0,k=0.60~1.00,外加0~10%的灰和/或0~20%的矿渣,R2O的总含量小于0.50%。该水泥具有在使膨胀得到充分发挥的同时,又使自由膨胀率降低、膨胀稳定期提前的特点。用该水泥制造的自应力混凝土压力管,可有效地避免在水养阶段发生的早期胀裂事故及在输水运行过程中发生的后期爆管事故。
24 一种用于玻璃纤维增强泥制品的低水泥 CN93105468.0 1993-05-05 CN1032686C 1996-09-04 韩韧; 胡国君; 楼宗汉
一种GRC低泥,是由50~62%的高水泥熟料、38~50%的石膏,经粉磨至250~400m2/kg比表面积而成,在原料组成中,可以分别外掺大于0而小于15%的天然沸石、石灰石、矿渣、灰中的任一种或其任意组合。其化学组成为SiO21.2~8.1%、Al2O325.3~37.5%、CaO29.5~49.0%、SO313.0~24.0%。其浆体的PH值小于10.7,并随水化龄期而逐渐减小,对玻璃纤维的侵蚀相对较小,并具有早强性、微膨胀性、耐久性、成本较低、易生产等特点。
25 高级土质聚合物组合物 CN93109898.X 1993-07-05 CN1097198A 1995-01-11 B·E·莱尼; F·T·威廉斯; R·L·拉瑟福德; D·T·贝利
发明涉及高级土质聚合物组合物,该组合物是由类似于陶瓷的基体组成,其中含有酸盐基土质聚合物,基体也可包括均匀分散的有机/无机外加剂。本高级土质聚合物组合物还可是泡沫型和非泡沫型。
26 增强石膏制品的硬度和强度的方法 CN93103159.1 1993-03-31 CN1093347A 1994-10-12 薄雅贤
增强石膏制品的硬度和强度的方法涉及一种改变造型材料性质为特征的方法。本发明的方法,不改变现有制作石膏制品的工艺,仅在调石膏浆使用的中按体积百分比加入6.5~9%的酸水溶胶、搅拌均匀。用此石膏浆翻制成的石膏制品强度可提高30%以上,硬度可提高50%以上,费用低廉,操作简便。
27 DIMENSIONALLY STABLE GEOPOLYMER COMPOSITION AND METHOD US15452054 2017-03-07 US20170174570A1 2017-06-22 Ashish DUBEY
A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar, patching materials for road repairs and other repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium sulfoaluminate cement, a calcium sulfate and a chemical activator with water.
28 Struvite-K and Syngenite Composition for Use in Building Materials US15028372 2014-10-14 US20160236979A1 2016-08-18 Robert J. Hauber; Gerald D. Boydston; Nathan Frailey; Severine Lamberet; Gaurav V. Pattarkine; Isaac K. Cherian; Sergio Centurione; Anirban Ghosh
A composition and process for manufacture thereof used in hybrid inventive building materials comprising Syngenite (K2Ca(SO4)2.H2O) and Struvite-K (KMgPO4.6H2O). Starting constituents include magnesium oxide (MgO), monopotassium phosphate (MKP) and stucco (calcium sulfate hemihydrate), mixed in predetermined ratios, cause reactions to proceed through multiple phases, which reactions variously are proceeding simultaneously and in parallel. Variables, e.g., water temperature, pH, mixing times and rates, have been found to affect resultant reaction products. Preferred ratios of chemical constituents and manufacturing parameters, including predetermined weight percent and specified ratios of Struvite-K and Syngenite are provided for building products used for specified purposes. Reactions are optimized in stoichiometry and additives to reduce the combined heat of formation to non-destructive levels. Various additives help control and guide reactions. Building products, such as board panels, include the resultant composition. A significant amount of the composition is disposed adjacent a building panel face.
29 Process and apparatus for handling synthetic gypsum US11710849 2007-02-26 US07776150B2 2010-08-17 Eberhard W. Neumann; Claus Bech
Method and apparatus for converting wet synthetic gypsum from a flue desulphurization process (FGD) to easily handled and metered briquettes by mixing a hydraulic additive such as by-pass dust from a cement kiln with synthetic gypsum and allowing the heat from the resulting hydraulic reaction to reduce the water content of the mixture to a formable consistency without adding external heat to the mixture as it is formed into briquettes.
30 Method of manufacturing a threecomponent water-resisting binding agent US37209164 1964-06-02 US3411924A 1968-11-19 VLADIMIROVICH LAPSHIN PAVEL
31 George m US1409939D US1409939A 1922-03-21
32 Dimensionally stable geopolymer composition and method US13842100 2013-03-15 US09890082B2 2018-02-13 Ashish Dubey
A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar, patching materials for road repairs and other repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium sulfoaluminate cement, a calcium sulfate and a chemical activator with water.
33 Lower heat processed calcium sulphates for early strength cements and general use US14768759 2014-02-18 US09611172B2 2017-04-04 Mustafa Özsüt
The Invention is related to increasing of early strength and final strengths of cements classified under EN and ASTM as Portland or CEM cements and also related to all clinker employing cements and to any kinds which employ calcium sulphates for set optimization and is for composing of new cements by only assessing new methods for production and is for composing of new cements by only assessing new methods to formation and inclusion of calcium sulphate resources which are used for set optimization. A new calcium sulphate resource is obtained by employing lower heats and this input is arranged to different dehydration levels at which they can be most efficient for the selected use. These different dehydration levels are called intermediate phases of dehydrate or hemihydrates or called as monohydrate.
34 DIMENSIONALLY STABLE GEOPOLYMER COMPOSITION AND METHOD US13842100 2013-03-15 US20130284070A1 2013-10-31 Ashish DUBEY
A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar, patching materials for road repairs and other repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium sulfoaluminate cement, a calcium sulfate and a chemical activator with water.
35 ULTRA-RAPID HARDENING HYDRAULIC BINDER USING REDUCED SLAG POWDER, AND METHOD OF PREPARING THE SAME US13890415 2013-05-09 US20130269573A1 2013-10-17 Jin-Man Kim; Eun-Gu Kwak; Sang-Yoon Oh; Chang-Hak Kim; Ki-Woong Kang; Dong-Cheol Heo
Provided are an ultra-rapid hardening hydraulic binder including reduced slag powder and a method of preparing the same. The reduced slag powder is prepared by rapidly cooling molten electric arc furnace reduced slag, among by-products generated during an iron refinement process in a steel mill, to room temperature not to have free-calcium oxide by scattering the molten electric arc furnace reduced slag into the air using high-pressure gas by dropping the molten electric arc furnace reduced slag through a tundish.
36 METHOD OF INERTISING THE IMPURITIES IN PHOSPHOGYPSUM US12438593 2007-08-08 US20090291037A1 2009-11-26 Shreesh Anant Khadilkar; Manish Vasant Karandikar; Padmanabhan Ramalingham Anikode; Pradip Gopal Lele; Rina Suresh Vaity; Abhay Kant Pathak
The invention pertains to a method of inertising free soluble impurities of phosphates and/or fluoride ions, in phosphogypsum, for use in commercial and industrial applications. The Phosphogypsum is pre-conditioned over an extended period of time separately or treated along with standard constituents by spraying, interblending or intergrinding during the process of manufacture, with alkyl, alkenyl and/or alkanol derivatives of ammonia, either individually or in combination with one another, to form stable intermediary phosphates and/or fluoride salts of the derivatives of ammonia.
37 Method of making a hydraulic binder settable upon combination with water US370902 1989-06-23 US5273581A 1993-12-28 Thomas Koslowski; Udo Ludwig; Alexander Frohlich
Calcium sulfate alpha hemihydrate and foundry sand are milled to cement fineness and form a hydraulic binder, as a mixture with both high early setting strength and excellent water resistance. The composition relies upon a sulfate activation of the foundry sand rather than an alkali activation thereof.
38 Geopolymer-modified, gypsum-based construction materials US635735 1990-12-26 US5194091A 1993-03-16 Bill E. Laney
Geopolymer-modified gypsum construction materials. Compositions derived from combining geopolymer adhesives with conventional gypsum wallboard slurry formulations produce an interpenetrating network (IPN) which cures by loss of process water to a refractory solid having improved fire and water resistance. Geopolymer adhesive starting compositions includes soluble and insoluble silicates, buffers and salts, and a chemical setting agent in aqueous suspension.
39 Dimensionally stable geopolymer composition and method US15071424 2016-03-16 US09656916B2 2017-05-23 Ashish Dubey
A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar, patching materials for road repairs and other repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium sulfoaluminate cement, a calcium sulfate and a chemical activator with water.
40 Struvite-K and syngenite composition for use in building materials US14457826 2014-08-12 US09422193B2 2016-08-23 Robert J. Hauber; Gerald D. Boydston; Nathan Frailey; Severine Lamberet; Gaurav V. Pattarkine; Isaac K. Cherian; Sergio Centurione; Anirban Ghosh
A composition and process for the manufacture thereof for use in a hybrid building material comprising at least in part Syngenite (K2Ca(SO4)2.H2O) and Struvite-K (KMgPO4.6H2O). Specified constituents, including magnesium oxide (MgO), monopotassium phosphate (MKP) and stucco (calcium sulfate hemihydrate) are mixed in predetermined ratios and the reaction proceeds through multiple phases reactions which at times are proceeding simultaneously and in parallel and reaction may even compete with each other for reagents if the Struvite-K reaction is not buffered to slow down the reaction rate). A number of variable factors, such as water temperature, pH mixing times and rates, have been found to affect resultant reaction products. Preferred ratios of chemical constituents and manufacturing parameters, including predetermined and specified ratios of Struvite-K and Syngenite may be provided for specified purposes, optimized in respect of stoichiometry to reduce the combined heat of formation to non-destructive levels.
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