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反击破碎机的构造及工作原理
网址:http://www.dhfjx.cn    发布时间:2020-06-11
  反击破碎机是一种新型率的碎矿设备.其持点是体积小,构造简单,破碎比大(可达40),能耗少,生产能力大,产品粒度均匀,并有选择性的碎矿作用,是很有发展前途的设备。但它的缺点是板锤和反击板特别易于磨损,尤其是破碎坚硬的矿石,磨损则更为严重,需要经常更换。目前由于一些耐磨材料的出现,在一些金届矿选矿厂中已得到应用。
  The impact crusher is a new type of high efficiency ore crushing equipment. Its holding point is small size, simple structure, large crushing ratio (up to 40), less energy consumption, large production capacity, uniform product size, and selective ore crushing. It is a very promising equipment. But its biggest disadvantage is that hammer and counter plate are easy to wear, especially for crushing hard ore, and wear is more serious, which needs to be replaced frequently. At present, due to the emergence of some wear-resistant materials, it has been applied in some concentrators of Jinren mine.
                                                     移动碎石机租赁
  反击破碎机,因转于的数目不同.分为单转于和双转子两种。
  Impact crusher, due to the number of different rotation, is divided into single rotor and double rotor.
  反击破碎机的转子固定在主轴上,转子的圆柱面上装有三个(或更多)坚硬的板锤。轴的两端安置在机体上的两个滚柱轴承中,由电动机直接(或经皮带轮传动。友转子上方机壳内壁吊有前后两个反击板。反击板与进料口之间接有许多链条组成的链幕。这样就罩住了整个破碎腔,以免物料被反击板碰撞溅出给矿口,反击板的一端是吊在机壳上的悬挂轴上,另一端则通过拉杆、螺帽悬吊在机壳上方,通过拉杆和螺帽可调整反击板的角度和它与板锤的间距。机壳、反击板和板锤都是更易磨损的部分,所以在机壳、反击板和板锤上都装有一层用高锰钢制成的耐磨材板。
  The rotor of the impact crusher is fixed on the main shaft, and the cylindrical surface of the rotor is equipped with three (or more) hard plate hammers. Both ends of the shaft are arranged in two roller bearings on the body, which are directly driven by the motor (or by the pulley). The inner wall of the casing above the rotor is hung with two reaction plates. A chain curtain composed of many chains is connected between the reaction plate and the feed inlet. In this way, the whole crushing chamber is covered so as to prevent the material from being splashed out of the ore feeding port by the impact plate. One end of the impact plate is suspended on the suspension shaft on the shell, and the other end is suspended on the upper part of the shell by the pull rod and nut. The angle of the impact plate and the distance between it and the hammer can be adjusted by the pull rod and nut. The shell, reaction plate and plate hammer are the most easily worn parts, so a layer of wear-resistant material plate made of high manganese steel is installed on the shell, reaction plate and plate hammer.
  反击破碎机的破碎过程是:物料由给矿口通过银幕进入到反时针旋转的转于上,受到板锤的强烈冲击以很大的速度按切线方向飞向块反击板,与它冲撞破碎后,再返回转子方向,受到板锤的第二次冲击,一部分物料仍以高速飞向第—’块反击板,另一部分物料则飞向第二块反击板受到破碎,在此过程中,有的物料在碎矿机中往返多次受到破碎.达到粒度要求的物料从碎矿机下方排出。
  The crushing process of the impact crusher is as follows: the material enters the counter clockwise rotation from the ore feeding port through the screen, flies to the first impact plate in the tangent direction at a great speed under the strong impact of the plate hammer, and then returns to the rotor direction after crashing and crushing with it. Under the second impact of the plate hammer, one part of the material still flies to the second impact plate at a high speed, and the other part of the material Then fly to the second counter plate to be broken. In this process, some materials are broken repeatedly in the crusher. Finally, the materials meeting the particle size requirements are discharged from the lower part of the crusher.
  双转于反击破碎机,根据转子的转动方向不同,有两转子同向转动和两转子异向转动两种。
  According to the different rotation direction of the rotor, there are two kinds of rotation, one is in the same direction and the other is in the opposite direction.
  两转子异向转动的反击式破碎机,由于两转子运动方向相反,故相当于两个平行配置的单转子反击式破碎机并联组成。两个转子分别与反击板构成独立的破碎腔,分腔碎矿。这种破碎机生产能力高,能破碎较大的矿石,且两转于配在同一水平上,故可降低机器高度。可作为大型矿山的粗、中碎设备。
  The counter impact crusher with two rotors rotating in opposite directions is equivalent to two single rotor counter impact crushers with parallel configuration because the two rotors move in opposite directions. The two rotors form an independent crushing chamber respectively with the reaction plate, which is divided into chambers for crushing ore. This kind of crusher has high production capacity, can crush larger ore, and two turns are matched at the same level, so it can reduce the height of the machine. It can be used as coarse and medium crushing equipment in large mines.
  两转子同向转动的反击破碎机,由于两转子运动方向相同,故相当于两个平行配置的单转子反击式破碎机串联使用。两个转于构成两个破碎腔,个转子相当于粗萍,第二个转于相当于细碎,即一台破碎机可同时作为粗碎及中、细碎设备使用。这种碎矿机的破碎比大,生产能力高,但功耗较大。
  Because the two rotors move in the same direction, it is equivalent to two parallel single rotor impact crushers in series. The first rotor is equivalent to rough duckweed and the second one is equivalent to fine crushing. That is to say, one crusher can be used as coarse crushing, medium crushing and fine crushing equipment at the same time. The crushing ratio of the crusher is large, the production capacity is high, but the power consumption is large.
  随着近代机器制造业和科学技术的发展,以及适于高速重菏的滚珠轴承和耐磨材料的出现,为反击式破碎机进一步发展提供了物质基础。
  With the development of modern machine manufacturing industry, science and technology, and the emergence of ball bearing and wear-resistant materials suitable for high-speed heavy Heze, the material basis for the further development of impact crusher is provided.
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