CN114653461B - 一种纳米陶瓷材料的连续性生产设备及生产方法 - Google Patents
一种纳米陶瓷材料的连续性生产设备及生产方法 Download PDFInfo
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Abstract
本发明公开了一种纳米陶瓷材料的连续性生产设备及生产方法,涉及纳米陶瓷生产技术领域,包括研磨机,所述研磨机包括研磨台以及转动布设在研磨台表面的研磨筒,研磨筒内布设粉碎腔以及研磨腔;还包括布设在粉碎腔内的粉碎组件,粉碎组件用于对加至粉碎腔内的陶瓷原料组分进行粉碎处理,以及布设在研磨腔内的研磨组件,研磨组件用于对粉碎后的陶瓷原料进行研磨处理,本发明将粉碎、研磨一体化布设,使得陶瓷原料利用率更高,且加快了生产进程,在研磨的过程中,将烧结助剂同时加入研磨物料中,使得研磨助剂与研磨物料的接触更加充分,进而提高烧结时的稳定性,有利于提高陶瓷材料结合刚度。
Description
技术领域
本发明涉及纳米陶瓷生产技术领域,具体涉及一种纳米陶瓷材料的连续性生产设备及生产方法。
背景技术
纳米陶瓷,是指显微结构中的物相具有纳米级尺度的陶瓷材料,晶粒尺寸、晶界宽度、第二相分布、缺陷尺寸等都是在纳米量级的水平上,要制备纳米陶瓷,这就需要解决:粉体尺寸形貌和粒径分布的控制,团聚体的控制和分散;体形态、缺陷、粗糙度以及成分的控制。
纳米陶瓷材料在生产加工过程中需要对部分原料进行研磨处理,在现有技术中,通常采用球磨机对纳米陶瓷材料进行研磨,然而对于部分材料在研磨前需要加入粉碎机内进行粉碎处理,在粉碎的过程中部分原料会附着在粉碎机内壁表面,原料利用率低;
同时现有纳米复合陶瓷材料是采用其纳米或亚微米级材料,复合添加纳米碳化钛、纳米氮化硼和纳米碳化硼得到高强度纳米复合陶瓷材料,因此,具有高硬度和高强度的性能,但是其断裂性能一般,脆性加大,作为刀具材料,不能长期使用。
发明内容
本发明的目的在于提供一种纳米陶瓷材料的连续性生产设备,解决以下技术问题:
对于部分材料在研磨前需要加入粉碎机内进行粉碎处理,在粉碎的过程中部分原料会附着在粉碎机内壁表面,原料利用率低。
本发明的目的可以通过以下技术方案实现:
一种纳米陶瓷材料的连续性生产设备,包括研磨机,所述研磨机包括研磨台以及转动布设在研磨台表面的研磨筒,研磨筒内布设粉碎腔以及研磨腔;
还包括布设在粉碎腔内的粉碎组件,粉碎组件用于对加至粉碎腔内的陶瓷原料组分进行粉碎处理,以及
布设在研磨腔内的研磨组件,研磨组件用于对粉碎后的陶瓷原料进行研磨处理。
优选的,粉碎组件包括多组转动布设在粉碎腔内的转动杆,转动杆端部呈圆周阵列布设多组粉碎刀片,粉碎腔底部设有筛板,筛板间隔布设有多组落料条槽。
优选的,研磨组件包括多组布设在研磨腔内的研磨辊,研磨辊与转动杆固定连接;
其中,研磨腔底部设置滤板,滤板均匀布设有多组滤孔。
优选的,研磨筒底部设有驱动电机,位于研磨筒轴心端转动杆底端与主齿轮固定连接,环绕在轴心端外侧的多组转动杆底端与副齿轮固定连接,各组副齿轮均与主齿轮啮合;
其中,驱动电机输送带与主齿轮固定连接。
优选的,在所述研磨腔内,转动杆上安装锥齿轮一,锥齿轮一与锥齿轮二啮合,锥齿轮二远离锥齿轮一的一端连接转盘,转盘一侧边缘设置卡销,卡销活动嵌设在推板设置的通槽内,推板通过推杆与推料端头连接。
优选的,研磨筒外圆面布设环形齿条,驱动电机输出端通过皮带传动连接有与环形齿条啮合的小齿轮;
优选的,研磨台一侧通过电动伸缩杆连接支板,支板朝向研磨筒的一侧设置筒盖,筒盖用于对研磨筒进行密封;
支板表面一端设有储液箱,储液箱通过阀门连接输液管,位于研磨筒轴心端的转动杆内设置输液腔,输液腔顶端与连接端头连通,连接端头用于与输液管插接;
其中,在所述研磨腔内,转动杆两侧相对设有用于喷液的喷孔。
一种纳米陶瓷材料的连续性生产方法,具体包括如下步骤:
S1、原料选取:具体由以下重量份的原料组成:15-25份碳化硅、5-8份硅藻土、4-6份改性纳米氧化锌、3-10份Nb2O3、1-5份改性纳米氧化锆、7-12份烧结助剂;
S2、混合:将碳化硅、硅藻土、改性纳米氧化锌、Nb2O3、改性纳米氧化锆按照重量份比例取用后混合处理;
S3、研磨:将步骤S2中混合后的物料加入研磨机中粉碎腔内,将烧结助剂置于储液箱内,粉碎组件以及研磨组件对物料进行粉碎研磨的同时,储液箱内的烧结助剂喷洒至研磨腔内与原料混合研磨处理;
S4、煅烧:将步骤S3得到的混合物放入模具,进行高温煅烧,高温煅烧的压力为5Gpa;
S5、冷却:煅烧结束后,待冷却至室温,取出,即可得到纳米陶瓷材料;
优选的,高温煅烧的温度为1200-1400℃;高温煅烧时间为3-6h。
优选的,改性纳米氧化锌与改性纳米氧化锆的制备方法如下:
a、将纳米氧化锌和纳米氧化锆粉体的混合物加入到无水乙醇溶液中搅拌均匀,并超声分散;
b、升温至55-60℃,向步骤a制备得到的分散液中滴加乙烯基三乙氧基硅烷的乙醇溶液,滴加完毕,继续搅拌2-3h;
c、将步骤b制备得到的混合液进行真空干燥,然后研磨,最后经后处理,制备得到改性纳米氧化锌和改性纳米氧化锆粉体的混合物。
本发明的有益效果:
(1)本发明将粉碎、研磨一体化布设,使得陶瓷原料利用率更高,且加快了生产进程,在研磨的过程中,将烧结助剂同时加入研磨物料中,使得研磨助剂与研磨物料的接触更加充分,进而提高烧结时的稳定性,有利于提高陶瓷材料结合刚度;
(2)本发明以碳化硅和硅藻土为主体材料, 碳化硅本身即具有高硬度和高强度的特点,再在此基础上,加入改性纳米氧化锌与改性纳米氧化锆,调节陶瓷材料的韧性和高温稳定性。
附图说明
下面结合附图对本发明作进一步的说明。
图1是本发明一种纳米陶瓷材料的连续性生产设备的立体结构示意图一;
图2是本发明一种纳米陶瓷材料的连续性生产设备的立体结构示意图二;
图3是本发明一种纳米陶瓷材料的连续性生产设备中研磨筒的结构示意图;
图4是本发明一种纳米陶瓷材料的连续性生产设备中输液腔的结构示意图;
图5是本发明一种纳米陶瓷材料的连续性生产设备中转盘的结构示意图;
图6是本发明一种纳米陶瓷材料的连续性生产设备中研磨辊的结构示意图;
图7是本发明一种纳米陶瓷材料的连续性生产设备中筒盖的结构示意图。
图中:1、研磨台;2、储液箱;3、滤板;4、小齿轮;5、粉碎腔;6、研磨腔;101、支板;102、电动伸缩杆;103、研磨筒;201、筒盖;202、输液管;203、输液腔;204、锥齿轮二;205、锥齿轮一;206、喷孔;301、滤孔;302、排料口;401、环形齿条;402、皮带;501、粉碎刀片;502、连接端头;503、转动杆;504、落料条槽;505、筛板;601、研磨辊;602、转盘;603、推杆;604、主齿轮;605、推料端头;606、卡销;607、推板;608、副齿轮。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
实施例1
请参阅图1-图3所示,本发明为一种纳米陶瓷材料的连续性生产设备,包括研磨机,所述研磨机包括研磨台1以及转动布设在研磨台1表面的研磨筒103,研磨筒103内布设粉碎腔5以及研磨腔6;
还包括布设在粉碎腔5内的粉碎组件,粉碎组件用于对加至粉碎腔5内的陶瓷原料组分进行粉碎处理,以及
布设在研磨腔6内的研磨组件,研磨组件用于对粉碎后的陶瓷原料进行研磨处理,在实际生产过程中,将需要进行研磨的纳米陶瓷原料首先置于粉碎腔5内,通过布设在粉碎腔5内的粉碎组件对原料进行初步粉碎处理,粉碎处理后的陶瓷原料在重力的作用下直接落至研磨腔6内,通过布设在研磨腔6内的研磨组件对陶瓷原料进行研磨处理,相较于传统球磨机,本发明将粉碎、研磨一体化布设,使得陶瓷原料利用率更高,且加快了生产进程;
请参阅图4,粉碎组件包括多组转动布设在粉碎腔5内的转动杆503,转动杆503端部呈圆周阵列布设多组粉碎刀片501,粉碎腔5底部设有筛板505,筛板505间隔布设有多组落料条槽504,通过带动转动杆503转动,转动杆503在转动的过程中带动粉碎刀片501转动,进而对陶瓷原料进行粉碎处理,切割完成后,部分原料从落料条槽504落至研磨腔6内;
请参阅图5-图6,研磨组件包括多组布设在研磨腔6内的研磨辊601,研磨辊601与转动杆503固定连接;
其中,研磨腔6底部设置滤板3,滤板3均匀布设有多组滤孔301,原料经过粉碎后落至研磨腔6内,转动杆503在转动的过程中带动研磨辊601转动,通过研磨辊601对物料进行研磨处理,研磨后的物料穿过滤孔301落下,在研磨筒103底部设有排料口302,研磨后的物料通过排料口302排出。
请参阅图7,研磨筒103底部设有驱动电机,位于研磨筒103轴心端转动杆503底端与主齿轮604固定连接,环绕在轴心端外侧的多组转动杆503底端与副齿轮608固定连接,各组副齿轮608均与主齿轮604啮合;
其中,驱动电机输送带与主齿轮604固定连接,启动驱动电机,驱动电机带动主齿轮604转动,主齿轮604在转动的过程中通过与副齿轮608啮合带动各组转动杆503转动。
在所述研磨腔6内,转动杆503上安装锥齿轮一205,锥齿轮一205与锥齿轮二204啮合,锥齿轮二204远离锥齿轮一205的一端连接转盘602,转盘602一侧边缘设置卡销606,卡销606活动嵌设在推板607设置的通槽内,推板607通过推杆603与推料端头605连接,转动杆503在转动的过程中带动锥齿轮一205转动,锥齿轮一205通过与锥齿轮二204啮合带动转盘602转动,转盘602通过推板607、通槽、卡销606以及推杆603推动推料端头605在竖直方向往复移动,进而通过推料端头605对落料条槽504疏通处理,避免粉碎后的物料堆积在落料条槽504内而造成堵塞。
研磨筒103外圆面布设环形齿条401,驱动电机输出端通过皮带402传动连接有与环形齿条401啮合的小齿轮4,驱动电机在转动的过程中通过皮带402带动小齿轮4转动,小齿轮4在转动的过程中通过与环形齿条401啮合带动研磨筒103转动,进而提高陶瓷物料在粉碎腔5以及研磨腔6内的粉碎和研磨效率;
研磨台1一侧通过电动伸缩杆102连接支板101,支板101朝向研磨筒103的一侧设置筒盖201,筒盖201用于对研磨筒103进行密封;
支板101表面一端设有储液箱2,储液箱2通过阀门连接输液管202,位于研磨筒103轴心端的转动杆503内设置输液腔203,输液腔203顶端与连接端头502连通,连接端头502用于与输液管202插接;
其中,在所述研磨腔6内,转动杆503两侧相对设有用于喷液的喷孔206,陶瓷材料在实际生产过程中,研磨液体置于储液箱2内,电动伸缩杆102带动筒盖201与研磨筒103闭合,打开阀门,在重力的作用下液体通过输液管202以及连接端头502落至输液腔203内,而后在转动杆503转动的离心作用力下,液体通过喷孔206喷射至研磨腔6内,与研磨物料混合。
实施例2
一种纳米陶瓷材料的连续性生产方法,具体包括如下步骤:
S1、原料选取:具体由以下重量份的原料组成:15份碳化硅、5份硅藻土、4份改性纳米氧化锌、3份Nb2O3、1份改性纳米氧化锆、7份烧结助剂;
改性纳米氧化锌与改性纳米氧化锆的制备方法如下:
a、将纳米氧化锌和纳米氧化锆粉体的混合物加入到无水乙醇溶液中搅拌均匀,并超声分散;
b、升温至55℃,向步骤a制备得到的分散液中滴加乙烯基三乙氧基硅烷的乙醇溶液,滴加完毕,继续搅拌2h;
c、将步骤b制备得到的混合液进行真空干燥,然后研磨,最后经后处理,制备得到改性纳米氧化锌和改性纳米氧化锆粉体的混合物;
S2、混合:将碳化硅、硅藻土、改性纳米氧化锌、Nb2O3、改性纳米氧化锆按照重量份比例取用后混合处理;
S3、研磨:将步骤S2中混合后的物料加入研磨机中粉碎腔5内,将烧结助剂置于储液箱2内,粉碎组件以及研磨组件对物料进行粉碎研磨的同时,储液箱2内的烧结助剂喷洒至研磨腔6内与原料混合研磨处理;
S4、煅烧:将步骤S3得到的混合物放入模具,进行高温煅烧,高温煅烧的压力为5Gpa;
S5、冷却:煅烧结束后,待冷却至室温,取出,即可得到纳米陶瓷材料;
高温煅烧的温度为1200℃;高温煅烧时间为3h。
实施例3
一种纳米陶瓷材料的连续性生产方法,具体包括如下步骤:
S1、原料选取:具体由以下重量份的原料组成:20份碳化硅、6份硅藻土、5份改性纳米氧化锌、7份Nb2O3、3份改性纳米氧化锆、10份烧结助剂;
改性纳米氧化锌与改性纳米氧化锆的制备方法如下:
a、将纳米氧化锌和纳米氧化锆粉体的混合物加入到无水乙醇溶液中搅拌均匀,并超声分散;
b、升温至58℃,向步骤a制备得到的分散液中滴加乙烯基三乙氧基硅烷的乙醇溶液,滴加完毕,继续搅拌2.5h;
c、将步骤b制备得到的混合液进行真空干燥,然后研磨,最后经后处理,制备得到改性纳米氧化锌和改性纳米氧化锆粉体的混合物;
S2、混合:将碳化硅、硅藻土、改性纳米氧化锌、Nb2O3、改性纳米氧化锆按照重量份比例取用后混合处理;
S3、研磨:将步骤S2中混合后的物料加入研磨机中粉碎腔5内,将烧结助剂置于储液箱2内,粉碎组件以及研磨组件对物料进行粉碎研磨的同时,储液箱2内的烧结助剂喷洒至研磨腔6内与原料混合研磨处理;
S4、煅烧:将步骤S3得到的混合物放入模具,进行高温煅烧,高温煅烧的压力为5Gpa;
S5、冷却:煅烧结束后,待冷却至室温,取出,即可得到纳米陶瓷材料;
高温煅烧的温度为1300℃;高温煅烧时间为5h。
实施例4
一种纳米陶瓷材料的连续性生产方法,具体包括如下步骤:
S1、原料选取:具体由以下重量份的原料组成:25份碳化硅、8份硅藻土、6份改性纳米氧化锌、10份Nb2O3、5份改性纳米氧化锆、12份烧结助剂;
改性纳米氧化锌与改性纳米氧化锆的制备方法如下:
a、将纳米氧化锌和纳米氧化锆粉体的混合物加入到无水乙醇溶液中搅拌均匀,并超声分散;
b、升温至60℃,向步骤a制备得到的分散液中滴加乙烯基三乙氧基硅烷的乙醇溶液,滴加完毕,继续搅拌3h;
c、将步骤b制备得到的混合液进行真空干燥,然后研磨,最后经后处理,制备得到改性纳米氧化锌和改性纳米氧化锆粉体的混合物;
S2、混合:将碳化硅、硅藻土、改性纳米氧化锌、Nb2O3、改性纳米氧化锆按照重量份比例取用后混合处理;
S3、研磨:将步骤S2中混合后的物料加入研磨机中粉碎腔5内,将烧结助剂置于储液箱2内,粉碎组件以及研磨组件对物料进行粉碎研磨的同时,储液箱2内的烧结助剂喷洒至研磨腔6内与原料混合研磨处理;
S4、煅烧:将步骤S3得到的混合物放入模具,进行高温煅烧,高温煅烧的压力为5Gpa;
S5、冷却:煅烧结束后,待冷却至室温,取出,即可得到纳米陶瓷材料;
高温煅烧的温度为1400℃;高温煅烧时间为6h。
对比例1
对比例1采用申请号为 200910230613.3 的专利文献“一种高强度纳米陶瓷复合绝热材料及其制备方法”公开的技术方案制备得到的纳米陶瓷材料。
试验例
将上述实施例2-4和对比例1进行材料性能的测试,测定纳米陶瓷材料进行硬度、强度和韧性的性能测试,结果如表1所示:
组别 | 实施例2 | 实施例3 | 实施例4 | 对比例1 |
硬度/Gpa | 18.3 | 17.6 | 19.2 | 12.1 |
强度/Mpa | 1560 | 1620 | 1570 | 840 |
断裂韧性/MPa·m<sup>1/2</sup> | 14.9 | 14.3 | 15.6 | 7.9 |
综上所述,本发明实施例2-4制备得到的纳米陶瓷材料在硬度、强度以及断裂韧性方面均得到有效提高。
在本发明的描述中,需要理解的是,术语“上”、“下”、“左”、“右”等指示方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以及特定的方位构造和操作,因此,不能理解为对本发明的限制。此外,“第一”、“第二”仅由于描述目的,且不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。因此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者多个该特征。本发明的描述中,除非另有说明,“多个”的含义是两个或两个以上。
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”“相连”“连接”等应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接连接,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。
以上对本发明的一个实施例进行了详细说明,但所述内容仅为本发明的较佳实施例,不能被认为用于限定本发明的实施范围。凡依本发明申请范围所作的均等变化与改进等,均应仍归属于本发明的专利涵盖范围之内。
Claims (4)
1.一种纳米陶瓷材料的连续性生产设备,包括研磨机,其特征在于,所述研磨机包括研磨台(1)以及转动布设在研磨台(1)表面的研磨筒(103),研磨筒(103)内布设粉碎腔(5)以及研磨腔(6);
还包括布设在粉碎腔(5)内的粉碎组件,粉碎组件用于对加至粉碎腔(5)内的陶瓷原料组分进行粉碎处理,以及
布设在研磨腔(6)内的研磨组件,研磨组件用于对粉碎后的陶瓷原料进行研磨处理;
粉碎组件包括多组转动布设在粉碎腔(5)内的转动杆(503),转动杆(503)端部呈圆周阵列布设多组粉碎刀片(501),粉碎腔(5)底部设有筛板(505),筛板(505)间隔布设有多组落料条槽(504);
研磨组件包括多组布设在研磨腔(6)内的研磨辊(601),研磨辊(601)与转动杆(503)固定连接;
其中,研磨腔(6)底部设置滤板(3),滤板(3)均匀布设有多组滤孔(301);
研磨筒(103)底部设有驱动电机,位于研磨筒(103)轴心端转动杆(503)底端与主齿轮(604)固定连接,环绕在轴心端外侧的多组转动杆(503)底端与副齿轮(608)固定连接,各组副齿轮(608)均与主齿轮(604)啮合;
其中,驱动电机输送带与主齿轮(604)固定连接;
研磨台(1)一侧通过电动伸缩杆(102)连接支板(101),支板(101)朝向研磨筒(103)的一侧设置筒盖(201),筒盖(201)用于对研磨筒(103)进行密封;
支板(101)表面一端设有储液箱(2),储液箱(2)通过阀门连接输液管(202),位于研磨筒(103)轴心端的转动杆(503)内设置输液腔(203),输液腔(203)顶端与连接端头(502)连通,连接端头(502)用于与输液管(202)插接;
其中,在所述研磨腔(6)内,转动杆(503)两侧相对设有用于喷液的喷孔(206),转动杆(503)上安装锥齿轮一(205),锥齿轮一(205)与锥齿轮二(204)啮合,锥齿轮二(204)远离锥齿轮一(205)的一端连接转盘(602),转盘(602)一侧边缘设置卡销(606),卡销(606)活动嵌设在推板(607)设置的通槽内,推板(607)通过推杆(603)与推料端头(605)连接;
纳米陶瓷材料的连续性生产方法,具体包括如下步骤:
S1、原料选取:具体由以下重量份的原料组成:15-25份碳化硅、5-8份硅藻土、4-6份改性纳米氧化锌、3-10份Nb2O3、1-5份改性纳米氧化锆、7-12份烧结助剂;
S2、混合:将碳化硅、硅藻土、改性纳米氧化锌、Nb2O3、改性纳米氧化锆按照重量份比例取用后混合处理;
S3、研磨:将步骤S2中混合后的物料加入研磨机中粉碎腔(5)内,将烧结助剂置于储液箱(2)内,粉碎组件以及研磨组件对物料进行粉碎研磨的同时,储液箱(2)内的烧结助剂喷洒至研磨腔(6)内与原料混合研磨处理;
S4、煅烧:将步骤S3得到的混合物放入模具,进行高温煅烧,高温煅烧的压力为5Gpa;
S5、冷却:煅烧结束后,待冷却至室温,取出,即可得到纳米陶瓷材料。
2.根据权利要求1所述的一种纳米陶瓷材料的连续性生产设备,其特征在于,研磨筒(103)外圆面布设环形齿条(401),驱动电机输出端通过皮带(402)传动连接有与环形齿条(401)啮合的小齿轮(4)。
3.根据权利要求1所述的一种纳米陶瓷材料的连续性生产设备,其特征在于,高温煅烧的温度为1200-1400℃;高温煅烧时间为3-6h。
4.根据权利要求3所述的一种纳米陶瓷材料的连续性生产设备,其特征在于,改性纳米氧化锌与改性纳米氧化锆的制备方法如下:
a、将纳米氧化锌和纳米氧化锆粉体的混合物加入到无水乙醇溶液中搅拌均匀,并超声分散;
b、升温至55-60℃,向步骤a制备得到的分散液中滴加乙烯基三乙氧基硅烷的乙醇溶液,滴加完毕,继续搅拌2-3h;
c、将步骤b制备得到的混合液进行真空干燥,然后研磨,最后经后处理,制备得到改性纳米氧化锌和改性纳米氧化锆粉体的混合物。
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