A vacuum screw propeller consists of a valve body and a valve core; the valve body is covered with the valve core, the valve core comprises a feeding channel through the valve core, and the valve body is provided with an inlet for the outer pipe; the valve core or / and one end of the valve body are provided with a number of spiral passages, and the spiral channel is connected with the intake hole; when entered, the valve body is connected with the intake hole; when the valve is connected with the intake hole, the valve core or the valve body is connected with the intake hole; When the stomata pass through the gas, the gas enters through the vent and backward through the spiral channel to the conveying channel. By setting a spiral channel in the valve core or / and the valve body, the utility model causes the compressed air to form a spiral high speed air flow in the spiral channel, and the air flow is rotated along the axial direction, and the powder in the bolt is also rotated in radial direction, and the material bolt is gradually dispersed. In addition, the compressed gas in the air inlet passes through the spiral channel into the feed channel and accelerates the flow velocity of the gas behind the spiral channel, thus forming a vacuum at the entrance of the front end of the material channel to achieve the negative pressure delivery of the material.
【技术实现步骤摘要】
一种真空螺旋推进器
本技术属于管道输送领域,涉及到一种真空螺旋推进器。
技术介绍
在现有的技术中,对于粉料的长距离输送而言,一般均采用大流量压缩气正压吹送或者大流量风机负压吸送。对于正压吹送,如果输送的粉体的流动性不好,或者其中混合着比较大的不规则颗粒,在长距离的输送过程中,容易在输送管道中形成料栓,造成频繁堵管。对于负压吸送而言,普遍采用大流量的风机在输送的末端对粉体进行真空抽吸,如果对于小流量的粉体的较小距离的输送,如果还采用风机进行负压输送的话,一方面会投入成本很高、能耗高、可靠性差,并且安装位置也会受制约。因此,为了解决堵管困扰,现阶段一般采用空气压缩气,通过一个单向阀往输送管道中吹气,从而将料栓打散。如CN200880130641.1,公开了一种气动排空泵,包括:进口组件,该进口组件具有进口阀门和可选择性操作的吹扫空气注入装置,该进口阀门插设在装料端口和接收来自物料供给装置的物料的进口之间,该可选择性操作的吹扫空气注入装置位于所述进口阀门的装料端口一侧上;腔室,该腔室具有可选择的长度和基本不变的横截面并且具有排放末端和通向所述装料端口的装料末端;以及输送组件,该输送组件具有:通向所述排放末端并且延伸至输送出口的通道,在所述排放末端和所述输送出口之间的所述通道内插设的输送阀门,通向在所述排放阀门和所述排放末端之间的所述通道的可选择性操作的文丘里管真空源,以及可选择性操作的排出空气注入装置,该排出空气注入装置位于所述排放阀门的下游并且利用来自文丘里管的排出空气。
技术实现思路
本专利技术所要解决的技术问题是,提供一种提供螺旋气流冲击料栓的真空螺旋推进器。为实 ...
【技术保护点】
1.一种真空螺旋推进器,包括阀体与阀芯;其特征在于,所述阀体套于所述阀芯上,所述阀芯包括前后贯穿阀芯的输料通道,所述阀体开设有用于外接气管的进气孔;所述阀芯或/和阀体一端开设有若干螺旋通道,螺旋通道与进气孔连通;当进气孔通入气体时,气体由通气孔进入并通过螺旋通道向后排出至输料通道中。
【技术特征摘要】
1.一种真空螺旋推进器,包括阀体与阀芯;其特征在于,所述阀体套于所述阀芯上,所述阀芯包括前后贯穿阀芯的输料通道,所述阀体开设有用于外接气管的进气孔;所述阀芯或/和阀体一端开设有若干螺旋通道,螺旋通道与进气孔连通;当进气孔通入气体时,气体由通气孔进入并通过螺旋通道向后排出至输料通道中。2.根据权利要求1所述的一种真空螺旋推进器,其特征在于,所述阀体与阀芯形成一空腔,所述空腔与所述进气孔连通;所述空腔与所述螺旋通道连通。3.根据权利要求1所述的一种真空螺旋推进器,其特征在于,所述阀芯与阀体为过渡配合。4.根...
【专利技术属性】
技术研发人员:张行斌,黄正雄,
申请(专利权)人:广东联塑机器制造有限公司,
类型:新型
国别省市:广东,44
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。