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破碎机厂家告诉你当鄂式破碎机返料现象时该怎么办?

发布时间:2018-07-16 发布人:admin

破碎机厂家生产的颚式破碎机是粗碎作业中常用的破碎设备,俗称老虎口。由动颚和静颚两块颚板组成破碎腔,模拟动物的两颚运动而完成物料破碎作业的破碎机。广泛运用于矿山冶炼、建材、公路、铁路、水利和化工等行业中各种矿石与大块物料的破碎。破碎机厂家根据颚式破碎机运行过程中会发生各种问题,其认为最常见的问题就是返料现象。
Jaw crusher produced by the crusher manufacturer is a commonly used crushing equipment in coarse crushing operations, commonly known as tiger mouth. The crushing chamber is composed of two jaw plates of movable and static jaws, which simulates the movement of two jaws of animals and completes the crushing operation of materials. It is widely used in mining, smelting, building materials, road, railway, water conservancy and chemical industry. According to the operation process of jaw crusher, various problems will occur in the crusher manufacturer.

关于造成返料现象的原因破碎机厂家认为主要有以下四个方面:
As for the reasons causing the phenomenon of returning materials, the crusher manufacturer believes that there are mainly the following four aspects:

一、颚式破碎机自身问题:新的颚式破碎机零部件与图纸尺寸不符,如颚板的长度、厚度、肘板的长度及肘板角、机架内腔尺寸等不规范造成劣质产品;长时间使用后两颚板的夹角大于二倍的摩擦角,使物料与颚板间不能产生足够大的摩擦力,来克服压碎力向上的分力,而被物料在垂直向上力的作用下挤出,滑向进料口方向。
A, jaw crusher's own problems: new jaw crusher spare parts do not tally with the drawing size, such as the length, thickness of the jaw, the length of the knee and elbow voids, the irregular frame size of inner chamber, cause bad products; After long time use two jaw Angle is greater than 2 times of friction Angle, make the material between the jaw and does not produce enough friction, to overcome the crushing force upward force component, by material under the action of vertical force, extrusion, sliding inlet direction.

二、物料受力不平衡影响:待破物料在破碎腔内垂直方向的受力容易不平衡,在向上分力的作用下,容易出现返料现象。
2. Influence of unbalanced force on materials: the vertical force of the material in the crushing chamber is easy to be unbalanced, and under the action of upward force, it is easy to see the phenomenon of returning materials.

三、排料口宽度过大:同一规格的颚式破碎机,排料口宽度越大时越容易出现返料现象。然后,物料与颚板的摩擦。当颚板出现磨损情况越严重,产生返料现象的可能性就越大。
3. The width of discharge port is too large: jaw crusher of the same specification is more likely to return materials when the discharge port width is larger. The material is then rubbed against the jaw plate. The more serious the wear and tear of the jaw plate, the more likely it is to produce recharging.

四、待破物料的大小差异太大:当破碎机待破物料的大小差异很大时,就很容易出现返料的现象。
4. The size difference of the material to be broken is too large: when the size of the material to be broken varies greatly, it is easy to return the material.

破碎机厂家根据实际工作经验得出,解决问题的方法有如下几种:
According to the actual working experience of the crusher manufacturer, there are several ways to solve the problem as follows:

1、破碎机厂家认为,可以根据物料情况,使用合适规格的破碎机。(在购买时,可以多询问一下破碎机厂家的工作人员)
1. The crusher manufacturer believes that the suitable size of the crusher can be used according to the material conditions. (when purchasing, you can ask more of the staff of the crusher factory)

2、当颚板磨损后,出现返料现象,应及时修理或更换新的颚板。
2. When the jaw plate is worn and the material returns, it shall be repaired or replaced in time.

3、当物料粒度相差太大时,先进行筛选;粗颚式破碎机进行预加工,再用细的颚式破碎机进行精加工,这样可以保证物料的加工要求。
3. When the particle size of materials varies too much, screening shall be carried out first; The coarse jaw crusher is preprocessed, and then the fine jaw crusher is used for precision processing, which can ensure the processing requirements of materials.

4、在动颚与活动颚板接合面处,添加一个楔形垫板,以减少两颚板的夹角,使之满足两颚板的夹角小于二倍的摩擦角,消除返料现象。
4. At the interface between the movable jaw and the movable jaw plate, a wedge-shaped pad is added to reduce the Angle between the two jaw plates, so that the Angle between the two jaw plates is less than two times of the friction Angle, so as to eliminate the phenomenon of returning materials.


最后鑫众威矿破碎机厂家提醒大家:出现返料情况后,请操作人员注意安全!
Finally, xinzhongwei mine crusher manufacturers remind everyone: after the return of materials, please operators pay attention to safety!


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