Roll Crusher Performance and Usage
Time：
2023-04-13
来源：
一、对辊破碎机的用途
对辊破碎机属于一种高效的破碎设备，对辊破碎机自问世以来，帮助人们解决了很多工业领域的瓶颈。对辊破碎机经过不断的改良、优化，升级设备，可以帮助实现很多工业生产中细碎作业的要求。对辊破碎机可处理的物料及应用领域如下。
1、可处理的物料：对辊破碎机通常是对物料进行粗、中、细碎作业的。可处理的物料包括河卵石、石灰石、铁矿石、石英、大理石、玄武岩、青石、方解石、黄砂、矿砂、煤炭、建筑装饰材料中的瓜米石和黑豆砂等。
2、应用领域：对辊破碎机可参与上百种物料的细碎作业，它的应用领域也是相对广泛的。比如一些制砂厂、冶炼厂、化工厂、矿山、电力、煤炭、建筑、水利工程、公路工程等各个领域都会用到对辊破碎机。
二、对辊破碎机的技术优势
1、体积小、高效节能。对辊破碎机设备结构设计紧凑，占地面积比较小，在实际应用中，还能促使生产线加速加工提升效能。一般可提升30%—40%的产品，总耗能也能降低20%左右。
2、密闭性好，内含保护装置。对辊破碎机中有防尘板和保护装置，在对物料进行破碎时，可以大概率防止细小物料的粉尘污染，同时当其他物件不小心混进物料中时，启动保护操作，可以立即停止装置，以防发生意外保障破碎机正常运作。
3、操作便捷，运行成本低。对辊破碎机在不管改进中结合先进的控制化技术，可以在实际生产应用中降低人力成本，实现自动化操作，平稳运行设备。便于集中管理并及时排除故障，提高生产效率。
4、使用寿命长。对辊破碎机对物料辊体的使用寿命相对于其他设备也是比较长的，一般对辊破碎机的辊体投入使用后不需要经常更换，可终身使用。
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What are the more common crushing processes in mineral processing plants?
More common in mineral processing plants are two-stage crushing process and three-stage crushing process. The two-stage crushing process is subdivided into two open-circuit and two closed-circuit. In the latter, the second section of the crusher is closed circuit with the inspection screen, which ensures that the product particle size meets the requirements and does not affect the next step of the grinding operation.
Roll Crusher Performance and Usage
Roll crusher belongs to a kind of high-efficiency crushing equipment, roll crusher since its inception, to help people solve a lot of bottlenecks in the industrial field. Roll crusher after continuous improvement, optimization, upgrading equipment, can help achieve a lot of industrial production in the fine crushing operation requirements.
Classification of commonly used crushing and grinding machinery
According to the mode of action of crushing force can be roughly divided into two main categories of crushing machinery: (1) crushers; (2) mills. Crushers generally deal with larger pieces of material, product size is coarse, usually more than 8 mm. Its structure is characterised by a certain gap between the crushing parts, not in contact with each other. Crusher can be divided into coarse crusher, medium crusher and fine crusher. Generally speaking, the materials handled by the mill are finer, and the product size is fine, up to 0.074 mm, or even finer. Its structure is characterised by crushing parts (or media) in contact with each other, the media used are steel balls, steel rods, gravel or ore blocks. But some machinery is both crushing and grinding, such as $ 5.5 mx 1.8 m grinding mill to deal with the upper limit of the ore size up to 350 ~ 400 mm, the product fineness up to -200 mesh accounted for about 40%. According to the crushing method, mechanical construction features (principle of action) to divide, roughly divided into six categories. (1) Jaw crusher (slot). The crushing action is to rely on the movable jaw plate periodically pressed to the fixed plate, will be sandwiched between the ore crushed. (2) Cone crusher. The ore pieces are between the inner and outer cones, the outer cone is fixed, and the inner cone makes eccentric class action, which crushes or breaks the ore pieces clamped in it. (3) Roll crusher. Ore block in the two opposing rotating rolls in the crevice, mainly by the continuous crushing effect, but also with the abrasive stripping effect, toothed roll surface and splitting effect. (4) Impact crusher. The ore block is crushed by the impact of the fast rotating moving parts. Belong to this category can be divided into: hammer crusher; cage crusher; impact crusher. (5) Mills. The ore is crushed by the impact and grinding action of the grinding media (steel balls, steel rods, gravel or ore pieces) in the rotating cylinder. (6) Other types of crushing and grinding: 1) Roller mill. Borrowing rolling sticks to crush the material. 2) Disc mill. Using the vertical axis or horizontal axis of the disc rotation as a crushing component. 3) Centrifugal mill. Use the centrifugal force generated by the high-speed rotating parts and media to complete the crushing effect.4) Vibrating mill. The use of rotating shaft to produce high-frequency vibration, so that the media and the material to complete the crushing effect of mutual impact. Various types of crushers have different specifications, different scope of use. At present, the coarse crushing in the processing plant mostly uses jaw crusher or gyratory crusher; medium crushing adopts standard cone crusher; fine crushing adopts short head cone crusher.
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