CN2440598Y - 导向风环 - Google Patents

导向风环 Download PDF

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Publication number
CN2440598Y
CN2440598Y CN 00243088 CN00243088U CN2440598Y CN 2440598 Y CN2440598 Y CN 2440598Y CN 00243088 CN00243088 CN 00243088 CN 00243088 U CN00243088 U CN 00243088U CN 2440598 Y CN2440598 Y CN 2440598Y
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guide vane
guiding air
air ring
utility
model
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CN 00243088
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刘铁忠
许芬
王仲春
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Tianjin Cement Industry Design and Research Institute Co Ltd
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Tianjin Cement Industry Design And Research Institute Of State Building Materials Industry Bureau
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Abstract

设在选粉机的上壳体外圈的导向风环,是由若干个独立的导向叶片组成的圆环状导向风环,每个导向叶片的内侧连接有销轴,销轴与壳体的轴孔连接,松动销轴上的固定螺母,可调整导向叶片。特点是导向叶片的安装,确保整个选粉区内压力降恒定,气流方向一致,避免物料和气流向阻力最小的区域流动,使所有颗粒均可受到均匀的选粉力,有利于笼形转子周围的物料均匀分散和粒径的精确分离。

Description

导向风环
本实用新型属于水泥选粉机的部件,特别涉及一种导向风环。
选粉机用于物料的分选,是水泥厂粉磨系统必不可缺少的设备。要求有高分离效率和分离精度、分离粒径的范围广和产品细度调整方便、灵敏,进而提高粉磨效率。老式选粉机由于结构的限制难以克服选粉区内存在着较大的风速梯度,使分离粒径不均,粗颗粒会被其遭遇到的高速风带出、存在着边壁效应问题,使细小颗粒碰撞而降落。造成分离粒径的调整范围窄、产品细度调整不便、分离效率低等不良状况。
本实用新型的目的是提供使用在采用了平面螺旋气流选粉的原理的新型组合式高效选粉机的一种导向风环,和笼形转子结合在一起使气流在横截面上以与切向成一定角度稳定均匀地穿越位于导向风环与回转的笼形转子之间的整个选粉区,从而克服了老式选粉机无法消除其存在的根本性的缺点。
本实用新型的目的是这样实现的:
一种导向风环,其特征为:设在选粉机的上壳体外圈的导向风环,是由若干个独立的导向叶片组成的圆环状导向风环,每个导向叶片的内侧的上下方连接有销轴,导向叶片通过其上的销轴与壳体的轴孔连接,
导向叶片的销轴顶端有螺扣,其螺扣配合有固定螺母。
本实用新型导向风环的功能特点及优点是:1、采用每个导向叶片都是竖向以相同角度的安装方式,确保在整个选粉区内压力降恒定,并使气流方向一致,避免物料和气流向阻力最小的区域流动,使所有颗粒均可受到均匀的选粉力,有利于笼形转子周围的物料均匀分散和粒径的精确分离。2、由于采用了特殊的结构调整角度非常方便。3、导向叶片采用了特殊的耐磨钢板制成,保证其有更长的使用寿命。
下面结合附图说明实施例:
图1是导向风环侧视图
图2是导向风环横剖面图
图3是导向风环单个叶片示意图
一种导向风环,设在选粉机的上壳体外圈的导向风环,是由若干个独立的导向叶片1组成的圆环状导向风环,每个导向叶片的内侧的上下方连接有销轴2,导向叶片通过其上的销轴与壳体的轴孔连接,
导向叶片的销轴顶端有螺扣,其螺扣配合有固定螺母。
导向风环是用于水泥、原料、煤粉新型组合式高效选粉机的关键部件,在选粉机的上壳体外圈设计了由若干个独立的导向叶片组成的导向风环。每个导向叶片都是通过专门的销轴与壳体连接,只要松动销轴上的固定螺母,就可对导向叶片进行调整。考虑到气流中含有大量的颗粒物质将对导向叶片产生严重的磨损,导向叶片设计采用了特殊的耐磨钢板来制造。
在选粉机的上壳体外圈设计了由若干个独立的导向叶片1组成的导向风环。每个导向叶片都是通过专门的销轴2与壳体连接,只要松动销轴上的固定螺母,就可对导向叶片进行调整。考虑到气流中含有大量的颗粒物质将对导向叶片产生严重的磨损,导向叶片采用了特殊的耐磨钢板来制造。
新型组合式高效选粉机采用了平面螺旋气流选粉的原理,以笼形转子取代小风叶,并且使气流在横截面上以与切向成一定角度稳定均匀地穿越位于导向风环与回转的笼形转子之间的整个选粉区,从而克服了老式选粉机无法消除其存在的根本性的缺点。

Claims (2)

1、一种导向风环,其特征为:设在选粉机的上壳体外圈的导向风环,是由若干个独立的导向叶片组成的圆环状导向风环,每个导向叶片的内侧的上下方连接有销轴,导向叶片通过其上的销轴与壳体的轴孔连接,
2、根据权利要求1所述的导向风环,其特征为:导向叶片的销轴顶端有螺扣,其螺扣配合有固定螺母。
CN 00243088 2000-07-14 2000-07-14 导向风环 Expired - Lifetime CN2440598Y (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100408191C (zh) * 2004-03-18 2008-08-06 张仁鸿 研粉机的分离机构
CN102658264A (zh) * 2012-05-31 2012-09-12 江苏吉能达建材设备有限公司 超细粉分级机导流装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100408191C (zh) * 2004-03-18 2008-08-06 张仁鸿 研粉机的分离机构
CN102658264A (zh) * 2012-05-31 2012-09-12 江苏吉能达建材设备有限公司 超细粉分级机导流装置

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Owner name: TIANJIN DESIGN INST. OF CEMENT INDUSTRY CO., LTD.

Free format text: FORMER OWNER: TIANJIN DESIGN INST. OF CEMENT INDUSTRY, STATE BUREAU OF BUILDING MATERIAL INDUS

Effective date: 20070309

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Address after: Tianjin District of Beichen city in the 300400 major North Road No. 1

Patentee after: Tianjin Cement Industry Design & Research Institute Co., Ltd.

Address before: 300400 Tianjin Beichen Yinhe North Road No. 1 Liu Tiezhong.

Patentee before: Tianjing Cement Industry Design Institute, State Board of Architectural material

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Granted publication date: 20010801