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        田键,男,江苏沭阳人,1967.2生,博士、教授,研究生导师,湖北大学天沭新能源材料工业研究设计院院长,天沭科研团队负责人,教育部研究生教育专家,湖北水利委员会专家委员,湖北省科技厅评审专家,武汉市节能专家。主要从事无机非金属材料制备、新型防辐射胶凝材料、硅酸盐工艺与工程学、岩矿材料、工业固体废弃物资源化循环利用等领域的研究与教学工作。先后承担国家“863”、国家自然科学基金等国家、省部级重点项目16项、产学研项目15项,撰写专业著作2部、国家发明专利8项、国家实用新型专利4项、国家软件著作权1项、发表论文34篇,已建成产学研示范生产线6条。先后承担和主持进行了:

    国家自然科学基金:新型防辐射水泥结构配位与多元屏蔽性能研究,项目编号:21241007

    国家自然科学基金项目:EBSDC3S()晶界、缺陷、晶体取向、颗粒边界的研究,项目批准号:21071050

国家863重大项目:智能型隔雪抗冰路面专用系统的研究,编号:2006AA11Z117

湖北省自然科学基金重点项目:防辐射高胶凝性水泥制备关键技术,编号:2011CDA009

湖北省高新科技产业发展专项资金项目:绿色生态矿粉、水泥集成粉磨创新工艺及装备,编号:2012BCA20002

湖北省关键技术攻关计划项目:水泥窑炉烟气脱硝集成关键技术及装备的应用,编号:2013060602010288

高校产学研合作资助项目:高效节能粉磨工艺与活化技术在水泥工业中的应用,项目编号:鄂教科[2009]6CXY2009B017

湖北省建设厅科技研究项目:磁化基矿渣活性激发技术研究,编号:鄂建文[2008]337号文52号;

湖北省科学自然基金:《水泥熟料中C3S的电子背散射衍射(EBSD)研究》,编号:2008CDB271

国家发明专利:一种表面活性剂矿渣水泥的配制方法,专利号:94101331.6

计算机软件著作权:滚球法避雷针保护范围作图系统V1.01,登记号:2000SR2784

专著2部:《硅酸盐晶体化学》、《水泥热工过程与节能关键技术》;

山东枣庄顺兴年产45万吨工业固体废弃物资源化利用示范工程线;

河南安阳金湖波年产90万吨矿渣微粉高效粉磨工艺示范工程线;

辽宁省朝阳东鑫日产2500t/d、河南省安阳新天河日产3200t/d新型干法旋窑水泥熟料生产线设计;

对辽宁东鑫、河南禹州灵威、安阳新天河等新型干法旋窑水泥生产线的窑系统进行低碳水泥熟料煅烧新技术及高效燃烧技术改造;

公司依托湖北大学,密切联系武汉理工大学、华中科技大学、中国地质大学(武汉)、武汉科技大学等国家“211”重点大学,发挥专业特长,积极吸取国内外先进的科技和研究理念,最大经济效益地将科学技术转化为生产力。

核心技术

1、新型干法旋窑低碳水泥生产线的设计技术:

在传统的新型干法旋窑生产线设计的基础上,应用针对低碳熟料煅烧、高效燃烧、水泥高效节能粉磨等一系列的低碳优化设计,开发生产适于制备高性能、高活性、低能耗的水泥熟料。大幅度提高熟料的胶凝效率,消纳尽可能多的其它工业废弃物,有利于降低环境负荷,提高资源的利用率,真正实现低碳水泥生产的环境友好型和社会节约型的目的。

2、低碳水泥熟料煅烧系统的改造核心技术:

本技术适用于我国各种地区新型干法水泥生产线的改造,采用计算机模拟仿真技术,结合高效燃烧的原理,及利用低质高硫煤生产水泥的关键技术,将极大地提升我国各地区特别是西部高原地区的水泥生产水平,有利于当地资源的充分利用,提高效益,符合国家发改委节能减排政策,对水泥工业具有重大而深远的意义。

低碳水泥熟料煅烧新技术和高效燃烧技术与现行新型干法水泥技术性能比较如下:

1)能覆盖大的煤质变化

使用100%无烟煤;

使用低或优质烟煤:灰份25%—45%,相对热值:4000~6000kcal/kg

使用混煤(烟煤+高硫煤);

使用高硫煤:入窑煤灰中三氧化硫≥3%

2)彻底解决低劣及高硫煤资源在新型干法水泥工业中的应用。能在操作运行中灵活调节和控制燃烧状态,强化煅烧,提高燃烧效率;

3)大幅提高窑的单位容积产量。

3、低碳高效节能粉磨核心技术:

我公司在国内外首先提出的升级配置,通过辊压机与球磨机的配合作业,既可大幅度提高系统产量,又改善了水泥颗粒的分布及颗粒形貌,提高水泥成品质量,从而更有利于提高熟料胶凝效率,增加混合材掺加量,降低水泥生产成本。

4、表面活性剂的研究应用技术:

以国家发明专利(《一种表面活性剂矿渣水泥的配制方法》专利号:94101331.6)作为技术核心。

使用该表面活性剂作用在于:(1)磁化基表面活性剂在固体颗粒表面吸附、分散的作用下,不断降低固体颗粒表面力,在机械力的作用下增强表面结构的改变。提高粉磨效率,在现有的生产工艺上即可使用,不需另增加磨机,单机产量大幅提高;(2)磁化基表面活性剂在矿渣水泥颗粒表面吸附、润湿作用下,改变固体颗粒表面结构状态和官能团,降低界面张力。起活化矿渣,阻止C2SC3S过早水化,在后期强度起着重要作用。行之有效的办法是,不提高或者延缓C2SC3S的水化速率,而加快C3AC4AF的水化速率,在C3AC4AF形成钙矾石后,形成网状产物的空间骨架,C3S再继续水化,使水泥石结构致密。以消除fCaO过高,导致安定性不良后果,强度得到提高;(3)石膏在磁化基表面活性剂作用下,水化硬化效果增强,凝结时间缩短,强度提高,其经济效益可提高20%-50%以上。

    5.低压损高耐磨耐腐蚀抗结露袋式收尘器

      我院自主开发的低压损高耐磨耐腐蚀抗结露袋式收尘器通过对传统的气箱脉冲袋收尘器进行结构优化设计,使其具有以下几个方面的特点:

 (1 能够处理1300g/Nm3、物料水分达20%的含尘气体;

 (2粉尘富集、排湿效率高:通过对收尘器结构、清灰方式的改进,使其粉尘富集、排湿效率得以大幅提升;

 (3压力损失:普通袋式收尘器的压力损失一般为1700Pa左右,而我院的设备压损可降至1400Pa,远低于同类收尘器,大大降低能耗,减少清灰频率,增加滤袋寿命;

 (4滤袋寿命:滤材通过特殊的处理,使制成的滤袋能在超高浓度、超高湿度,高酸碱腐蚀的环境下稳定运行2~3年。

    6.TSFJ型高效分级式选粉机

    TSFJ型高效分级式选粉机是我公司多年来在技术积累的基础上经过不断改进和完善后的新型粉体分级设备,拥有发明专利(专利号:201410256747.3)。其性能特点如下:

 (1分离效率高

    我院的高效分级式选粉机能有效控制颗粒分布,32μm以下的颗粒含量达到79.33%, 32~64μm的颗粒含量达到17.69%。

 (2磨损小,维护简单

    TSFJ型高效分级式选粉机的易磨损部件均采用耐磨工艺处理,磨损率相当小,寿命可达3~5

 (3适用范围广

    TSFJ型高效分级式选粉机可用于分选水泥、生料、矿渣粉、粉煤灰、电石渣等各种高温粉尘物料的分选。

    7.TSGZ型在线高效干燥器

    TSGZ型在线高效干燥器是主要和辊压机配套使用的一种在线烘干设备,主要结构为进风壳体,热交换腔体、热交换分散多级导流板、阻流干燥板、调整叶片、过渡壳体、出风壳体等部份组成,该设备具有如下特点:

 (1耐磨性能好:其内部还粘贴有我院具有专利技术的新型复合耐磨钢板,根据物料特性的不同,使用寿命可达3~5年;

 (2烘干效率高(可达97%以上),用煤量小,处理湿物料量大,热量损失小,热利用率高;

 (3整体设备结构简单,安装维护方便,磨损小,维修量, 少。

   8.新型复合耐磨钢板

    新型复合耐磨钢板是我院针对高浓度粉尘气体对设备造成严重磨损而研发的一种新, 型材料,莫氏硬度达到7.0~8.0,是目前市场上莫氏硬度最高,耐磨效果最好的耐磨材料。下表为不同材料的使用寿命对比情况:
   
输送熟料溜管
 
含尘风管
 
风机叶片
   
1个月
 
3个月
 
——
 
高锰耐磨钢板
 
3个月
 
——
 
1
 
HARDOX500
 
——
 
——
 
1
 
新型复合耐磨钢板
 
3~5
 
3~5
 
3~5

      目前,我院的新型复合耐磨钢板已经成功运用于选粉机壳体内部及转子,风机叶片,在线干燥器、输送溜管,料柱等处,取得了非常好的经济效果,下一步我院将其推广至高温、高浓度含尘区域,如高温风管内壁、窑尾下料舌头、各类工艺阀门如三通阀、三次风管闸板阀等。

详见新闻动态-宣传海报。

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