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混凝土凝固在搅拌机里的成因及解决办法

来源:http://www.zkhntjbc.com/ 日期:2021-04-21 浏览量:
TAG:混凝土搅拌机,自动混凝土搅拌机,小型搅拌机
概述:混凝土搅拌机车主经常会遇到一个普遍问题,就是混凝土凝固在搅拌车里面,很大程度上影响着混凝土搅拌机的正常作业,这时该怎么办?那么怎么
混凝土搅拌机车主经常会遇到一个普遍问题,就是混凝土凝固在搅拌车里面,很大程度上影响着混凝土搅拌机的正常作业,这时该怎么办?那么怎么样才能除掉凝固在搅拌车里面的混凝土呢?要想知道解决方法,我们先一起来了解它的成因。
Concrete mixer owners often encounter a common problem, that is, the concrete solidifies in the mixer, which greatly affects the normal operation of the concrete mixer. What should we do at this time? So how can we get rid of the concrete solidified in the mixer? To find out the solution, let's first understand the causes.
混凝土凝结在水泥搅拌车罐里面,缘由有好多,除了没有及时清洗搅拌罐外,其中主要是搅拌车发动机不能运作,没有动力输入液压机而招致液压机中止工作,使装料罐不能转动而让混凝土凝结在搅拌车罐里面。
There are many reasons for the concrete to coagulate in the tank of cement mixer, except that the mixing tank is not cleaned in time. The main reason is that the engine of the mixer can't work and there is no power input to the hydraulic press, which causes the hydraulic press to stop working, so that the charging tank can't rotate and the concrete can coagulate in the tank of cement mixer.
我们知道,混凝土是由集料(砂、石子)、胶凝材料(常用的有水泥)和水按一定比例配制而成的建筑材料。初拌混凝土是可流动的,可以利用模板做成各种形状。混凝土的凝固主要是由于水泥和水、空气发生化学反应。水泥从加水拌合至开始凝固的时间称为初凝时间,完全失去流动性的时间称为终凝时间。
We know that concrete is made of aggregate (sand, stone), cementitious material (commonly used cement) and water in a certain proportion. The first mixed concrete is flowable and can be made into various shapes with formwork. The solidification of concrete is mainly due to the chemical reaction of cement with water and air. The time of cement mixing with water to the beginning of setting is called initial setting time, and the time of completely losing fluidity is called final setting time.
方法一:混凝土凝固后,其主要成分是硅酸二钙、硅酸三钙。理论上讲,盐酸可以与之反应解除其固态形状。由于搅拌车的料口很小,盐酸量难以控制,且盐酸也可以与搅拌车罐体发生反应,所以操作很难实现。实践中出现这种情况,往往是用电焊或气割切开罐体,然后将凝固的混凝土机械破碎。
Method 1: after the concrete solidifies, its main components are dicalcium silicate and tricalcium silicate. In theory, hydrochloric acid can react with it to release its solid state. Because the mixer's feed port is very small, the amount of hydrochloric acid is difficult to control, and hydrochloric acid can also react with the mixer tank, so the operation is difficult to achieve. In practice, electric welding or gas cutting is often used to cut the tank, and then the solidified concrete is broken mechanically.
方法二:用“风炮”打碎凝结的混凝土,然后一点点铲出来!罐体下部要割开一个口,加翻开一个原来就有用罗丝上紧的一个封盖,这个盖是让有需求进去工作时翻开通风和紧急情况用来放料的。
Method 2: smash the set concrete with "air cannon", and then shovel it out a little bit! The lower part of the tank needs to be cut with an opening and opened with a cover that was originally tightened with a rose. This cover is used to turn on the air when there is a need to go in for work and to discharge materials in case of emergency.
而在打罐过程中人在罐里面要通风,在装料罐入口放台风扇吹风进去,而“风炮”工作时会搞起灰尘,又要接上水管淋湿打碎的混凝土。把罐里面的再混凝土打碎铲出以后再打割开部分焊接上,上回封盖,装满水试下转动能否正常,再少量装料递增看液压机工作能否正常,一切正常即可以继续运作了。
In the process of canning, people need to ventilate inside the tank, and a fan is placed at the inlet of the charging tank to blow in. When the "air gun" works, it will cause dust, and it will also connect the water pipe to wet the broken concrete. After the concrete in the tank is broken and shoveled out, the cut part is welded, the upper cover is sealed, the water is filled to test whether the underwater rotation is normal, and a small amount of material is added to see whether the hydraulic press works normally, and everything is normal, then it can continue to operate.
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