CN113757394A - 一种浮选柱进气量控制装置 - Google Patents
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Abstract
本发明公开了一种浮选柱进气量控制装置,包括阀体及动力执行机构和检测机构,阀体上设有贯通的通道,动力执行机构通过电机、螺柱及齿轮盘驱动位于通道内的阀芯旋转,控制阀体的开合;检测机构通过铰接设置的检测翻板给予角位移传感器信号,从而检测空气流通量,止回翻板防止泥浆逆流。本发明属于调节阀技术领域,与现有技术相比的优点在于:自动化程度高、精准控制进气。
Description
技术领域
本发明涉及调节阀技术领域,具体是指一种浮选柱进气量控制装置。
背景技术
浮选柱是一种选矿设备,广泛应用于金属矿物的选别,浮选柱发明至今已有几十年的历史,从最初的全手动操作到现在的半自动化操作,已有了长足的发展。浮选柱选矿时,中矿循环时会使矿浆经过气泡发生器,并使矿浆产生大量的细小气泡,气泡从底部缓缓上升,矿浆中的矿物颗粒附着在气泡上,并随之上浮到矿浆的表层,形成精矿泡沫层,达到矿化目的。但是,在科技高度发达的今天,浮选柱的进气量控制方面仍然普遍的使用半自动化操作,气泡发生器的进气控制至今还是手动操作,因此浮选柱运行过程中进气量的自动控制和进气量测量的问题不能得到解决。设计一种能够准确,快速地控制、检测浮选柱进气量的装置已成为行业亟待解决的问题。
发明内容
本发明的目的是针对上述之不足,而提供的一种可自动、精准控制进气的浮选柱进气量控制装置。
为了实现上述目的,本发明所采用的技术方案是:本设计一种浮选柱进气量控制装置,包括阀体及动力执行机构和检测机构,所述阀体上设有贯通的通道;
所述动力执行机构包括执行电机、传动螺杆、齿轮盘、阀芯轴及阀芯,所述执行电机设于所述阀体外,所述执行电机的输出轴同轴且固定连接所述传动螺杆,所述齿轮盘与所述传动螺杆啮合设置,且所述齿轮盘的中央固定连接所述阀芯轴,所述阀芯轴贯穿且旋转连接所述阀体,所述阀芯固定安装在所述阀芯轴上,所述阀芯位于所述通道内,且可相对于所述通道旋转;
所述检测机构包括检测翻板、止回翻板及角位移传感器,所述检测翻板及止回翻板均设于所述通道内,所述检测翻板及止回翻板均呈一侧铰接连接所述阀体的内壁设置,所述检测翻板及止回翻板均只能在同一半侧活动,所述角位移传感器的传感轴同轴且固定连接所述检测翻板的铰接处,所述检测翻板转动时带动所述角位移传感器的传感轴同步旋转。
进一步地,所述角位移传感器及执行电机均电性连接PLC控制系统。
进一步地,所述通道内设有第一阀口及第二阀口,所述第一阀口及第二阀口的周向均设有环状凸起,所述检测翻板设于所述第一阀口上,所述止回翻板设于所述第二阀口上,所述第一阀口的直径小于所述检测翻板的直径,所述第二阀口的直径小于所述止回翻板的直径。
进一步地,所述阀芯、第一阀口、第二阀口在所述阀通道内呈从左到右依次排布,所述环状凸起向右凸起,所述检测翻板及止回翻板分别位于所述第一阀口及第二阀口的右侧。
进一步地,所述环状凸起上设有第一密封圈。
进一步地,所述第一阀口及第二阀口的右侧均设有铰座,所述绞座固定连接所述阀体的内壁,所述检测翻板及止回翻板的一侧固定设有铰轴,所述铰轴与所述铰座相互铰接,所述检测翻板的绞轴延伸且贯穿至所述阀体外,且同轴连接所述角位移传感器的传感轴。
进一步地,所述阀芯为板状,且与所述通道截面形状相配合,所述通道位于所述阀芯的两侧镶嵌设有第二密封圈,所述第二密封圈与所述通道紧密配合,当所述阀芯垂直于所述通道的轴线时,所述阀芯与所述第二密封圈呈气密配合,所述阀芯轴与所述阀体的连接处设有密封环,所述阀体与所述阀芯轴气密连接。
进一步地,所述执行电机的传动轴通过联轴器固定连接所述传动螺杆。
进一步地,所述执行电机、传动螺杆及齿轮盘外覆盖设有第一外壳,所述角位移传感器外覆盖设有第二外壳。
采用上述结构后,本发明和现有技术相比所具有的优点是:本发明通过动力执行机构控制阀体的开合程度,利用检测翻板与角位移传感器实施检测进气量,而止回翻板可阻止泥浆逆流;本方案实现了浮选柱进气量的自动控制,能使进气量更加精确,能调节每一根气泡发生器的进气量,以达到稳定液面的目的,不仅自动化程度较高,而且能根据气泡发生器的进气量,判断气泡发生器是否有堵塞情况。
附图说明
图1是本发明一种浮选柱进气量控制装置的结构示意图。
图2是本发明一种浮选柱进气量控制装置的A-A面剖视图。
图3是本发明一种浮选柱进气量控制装置的B-B面剖视图。
如图所示:1、阀体,2、动力执行机构,3、检测机构,4、通道,5、执行电机,6、传动螺杆,7、齿轮盘,8、阀芯轴,9、阀芯,10、检测翻板,11、止回翻板,12、角位移传感器,13、第一阀口,14、第二阀口,15、环状凸起,16、第一密封圈,17、铰轴,18、铰座,19、第二密封圈,20、密封环,21、联轴器,22、第一外壳,23、第二外壳。
具体实施方式
以下所述仅为本发明的较佳实施例,并不因此而限定本发明的保护范围,下面结合附图和实施例对本发明进一步说明。
实施例,见图1-3所示:本发明,一种浮选柱进气量控制装置,包括阀体1及动力执行机构2和检测机构3,所述阀体1上设有贯通的通道4;
所述动力执行机构2包括执行电机5、传动螺杆6、齿轮盘7、阀芯轴8及阀芯9,所述执行电机5设于所述阀体1外,所述执行电机5的输出轴同轴且固定连接所述传动螺杆6,所述齿轮盘7与所述传动螺杆6啮合设置,且所述齿轮盘7的中央固定连接所述阀芯轴8,所述阀芯轴8贯穿且旋转连接所述阀体1,阀芯轴8垂直于所述通道4的轴线设置;所述阀芯9固定安装在所述阀芯轴8上,所述阀芯9位于所述通道4内,且可相对于所述通道4旋转;
所述检测机构3包括检测翻板10、止回翻板11及角位移传感器12,所述检测翻板10及止回翻板11均设于所述通道4内,所述检测翻板10及止回翻板11均呈一侧铰接连接所述阀体1的内壁设置,所述检测翻板10及止回翻板11均只能在同一半侧活动,单侧活动的翻板可实现空气单向的流通,所述角位移传感器12的传感轴同轴且固定连接所述检测翻板10的铰接处,所述检测翻板10转动时带动所述角位移传感器12的传感轴同步旋转。
其中,所述角位移传感器12及执行电机5均电性连接PLC控制系统,在本实施例中检测翻板10、止回翻板11的重量均经过精确计算,检测翻板10、止回翻板11与阀体1之间的配合角度均经过精确计算,检测翻板10的翻转角度与进气量的关系经过精确计算,并使PLC控制系统根据上述的重量关系,接收角位移传感器12的接收信号,并控制执行电机5的旋转;
所述通道4内设有第一阀口13及第二阀口14,所述第一阀口13及第二阀口14的周向均设有环状凸起15,环状凸起15与检测翻板10和止回翻板11接触,所述检测翻板10设于所述第一阀口13上,所述止回翻板11设于所述第二阀口14上,所述第一阀口13的直径小于所述检测翻板10的直径,所述第二阀口14的直径小于所述止回翻板11的直径,检测翻板10及止回翻板11完全封堵通道4,才能检测进气量和阻止泥浆逆流;
所述阀芯9、第一阀口13、第二阀口14在所述阀通道4内呈从左到右依次排布,所述环状凸起15向右凸起,所述检测翻板10及止回翻板11分别位于所述第一阀口13及第二阀口14的右侧;所述环状凸起15上设有第一密封圈16,检测翻板10与第一阀口13之间由密封圈密封,以达到气量微小时亦能转动检测翻板10的目的,止回翻板11与第二阀口14之间由密封圈密封,以达到在没有空气通过时阻断矿浆进入本装置的目的;
所述阀芯9为板状,且与所述通道4截面形状相配合,所述通道4位于所述阀芯9的两侧镶嵌设有第二密封圈19,所述第二密封圈19与所述通道4紧密配合,当所述阀芯9垂直于所述通道4的轴线时,所述阀芯9与所述第二密封圈19呈气密配合,所述阀芯轴8与所述阀体1的连接处设有密封环20,所述阀体1与所述阀芯轴8气密连接,使阀体1整体气密性较好,可使使用效果更好;
所述执行电机5的传动轴通过联轴器21固定连接所述传动螺杆6;所述执行电机5、传动螺杆6及齿轮盘7外覆盖设有第一外壳22,执行电机5固定连接在第一外壳22上;所述角位移传感器12外覆盖设有第二外壳23,角位移传感器12固定连接在第二外壳23上。
本实施例中,所述传动螺杆6、联轴器21、齿轮盘7、阀体1、阀芯9、检测翻版、止回翻版及阀体1等均由碳钢材料制成,第一密封圈16、第二密封圈19及密封环20均由耐磨橡胶制成,执行电机5为单项交流电机,角位移传感器12为WDS35D8A型导电塑料角位移传感器12。
具体使用时,装置气密安装在浮选柱的气泡发生器的进气口处,止回翻板11及检测翻板10在无空气流通时,分别与第二阀口14及第一阀口13闭合,气泡发生器由循环泵的负压自动进气,其止回翻板11靠近泥浆一侧,本装置有三种工作状态:
处于常开状态时:执行电机5带动阀芯9旋转至最大位置时,即阀芯9平行于通道4,此时阀体1的通道4完全打开,空气经过阀芯9,吹动检测翻板10和止回翻板11进入矿浆;
处于常闭状态时:执行电机5带动阀芯9旋转至最小位置时,即阀芯9垂直于通道4,阀体1完全关闭,从而阻断空气进入矿浆;
处于调节状态时:通过检测翻板10的翻转角度来带动角位移传感器12传输信号,从而确定进入矿浆中的空气量,当进气量小于设定值时执行电机5会旋转,带动传动螺杆6及齿轮盘7旋转,齿轮盘7通过阀芯轴8带动阀芯9旋转,从而调大阀芯9的开度以保证有足够的空气进入矿浆,反则反之,从而达到控制和检测进气量的目的。
以上对本发明及其实施方式进行了描述,这种描述没有限制性,附图中所示的也只是本发明的实施方式之一,实际的结构并不局限于此。总而言之如果本领域的普通技术人员受其启示,在不脱离本发明创造宗旨的情况下,不经创造性的设计出与该技术方案相似的结构方式及实施例,均应属于本发明的保护范围。
Claims (8)
1.一种浮选柱进气量控制装置,其特征在于:包括阀体(1)及动力执行机构(2)和检测机构(3),所述阀体(1)上设有贯通的通道(4);
所述动力执行机构(2)包括执行电机(5)、传动螺杆(6)、齿轮盘(7)、阀芯轴(8)及阀芯(9),所述执行电机(5)设于所述阀体(1)外,所述执行电机(5)的输出轴同轴且固定连接所述传动螺杆(6),所述齿轮盘(7)与所述传动螺杆(6)啮合设置,且所述齿轮盘(7)的中央固定连接所述阀芯轴(8),所述阀芯轴(8)贯穿且旋转连接所述阀体(1),所述阀芯(9)固定安装在所述阀芯轴(8)上,所述阀芯(9)位于所述通道(4)内,且可相对于所述通道(4)旋转;
所述检测机构(3)包括检测翻板(10)、止回翻板(11)及角位移传感器(12),所述检测翻板(10)及止回翻板(11)均设于所述通道(4)内,所述检测翻板(10)及止回翻板(11)均呈一侧铰接连接所述阀体(1)的内壁设置,所述检测翻板(10)及止回翻板(11)均只能在同一半侧活动,所述角位移传感器(12)的传感轴同轴且固定连接所述检测翻板(10)的铰接处,所述检测翻板(10)转动时带动所述角位移传感器(12)的传感轴同步旋转。
2.根据权利要求1所述的一种浮选柱进气量控制装置,其特征在于:所述角位移传感器(12)及执行电机(5)均电性连接PLC控制系统。
3.根据权利要求2所述的一种浮选柱进气量控制装置,其特征在于:所述通道(4)内设有第一阀口(13)及第二阀口(14),所述第一阀口(13)及第二阀口(14)的周向均设有环状凸起(15),所述检测翻板(10)设于所述第一阀口(13)上,所述止回翻板(11)设于所述第二阀口(14)上,所述第一阀口(13)的直径小于所述检测翻板(10)的直径,所述第二阀口(14)的直径小于所述止回翻板(11)的直径。
4.根据权利要求3所述的一种浮选柱进气量控制装置,其特征在于:所述阀芯(9)、第一阀口(13)、第二阀口(14)在所述阀通道(4)内呈从左到右依次排布,所述环状凸起(15)向右凸起,所述检测翻板(10)及止回翻板(11)分别位于所述第一阀口(13)及第二阀口(14)的右侧。
5.根据权利要求4所述的一种浮选柱进气量控制装置,其特征在于:所述环状凸起(15)上设有第一密封圈(16)。
6.根据权利要求4或5所述的一种浮选柱进气量控制装置,其特征在于:所述第一阀口(13)及第二阀口(14)的右侧均设有铰座(18),所述绞座固定连接所述阀体(1)的内壁,所述检测翻板(10)及止回翻板(11)的一侧固定设有铰轴(17),所述铰轴(17)与所述铰座(18)相互铰接,所述检测翻板(10)的绞轴延伸且贯穿至所述阀体(1)外,且同轴连接所述角位移传感器(12)的传感轴。
7.根据权利要求6所述的一种浮选柱进气量控制装置,其特征在于:所述阀芯(9)为板状,且与所述通道(4)截面形状相配合,所述通道(4)位于所述阀芯(9)的两侧镶嵌设有第二密封圈(19),所述第二密封圈(19)与所述通道(4)紧密配合,当所述阀芯(9)垂直于所述通道(4)的轴线时,所述阀芯(9)与所述第二密封圈(19)呈气密配合,所述阀芯轴(8)与所述阀体(1)的连接处设有密封环(20),所述阀体(1)与所述阀芯轴(8)气密连接。
8.根据权利要求7所述的一种浮选柱进气量控制装置,其特征在于:所述执行电机(5)的传动轴通过联轴器(21)固定连接所述传动螺杆(6)。
根据权利要求8所述的一种浮选柱进气量控制装置,其特征在于:所述执行电机(5)、传动螺杆(6)及齿轮盘(7)外覆盖设有第一外壳(22),所述角位移传感器(12)外覆盖设有第二外壳(23)。
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