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    混凝土凝固在攪拌機里的成因及解決辦法

    來源:http://www.thecxg.com/ 日期:2021-04-21 瀏覽量:
    TAG:混凝土攪拌機,自動混凝土攪拌機,小型攪拌機
    概述:混凝土攪拌機車主經常會遇到一個普遍問題,就是混凝土凝固在攪拌車里面,很大程度上影響著混凝土攪拌機的正常作業,這時該怎么辦?那么怎么
    混凝土攪拌機車主經常會遇到一個普遍問題,就是混凝土凝固在攪拌車里面,很大程度上影響著混凝土攪拌機的正常作業,這時該怎么辦?那么怎么樣才能除掉凝固在攪拌車里面的混凝土呢?要想知道解決方法,我們先一起來了解它的成因。
    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.
    混凝土凝結在水泥攪拌車罐里面,緣由有好多,除了沒有及時清洗攪拌罐外,其中主要是攪拌車發動機不能運作,沒有動力輸入液壓機而招致液壓機中止工作,使裝料罐不能轉動而讓混凝土凝結在攪拌車罐里面。
    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.
    我們知道,混凝土是由集料(砂、石子)、膠凝材料(常用的有水泥)和水按一定比例配制而成的建筑材料。初拌混凝土是可流動的,可以利用模板做成各種形狀。混凝土的凝固主要是由于水泥和水、空氣發生化學反應。水泥從加水拌合至開始凝固的時間稱為初凝時間,完全失去流動性的時間稱為終凝時間。
    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鈣、硅酸三鈣。理論上講,鹽酸可以與之反應解除其固態形狀。由于攪拌車的料口很小,鹽酸量難以控制,且鹽酸也可以與攪拌車罐體發生反應,所以操作很難實現。實踐中出現這種情況,往往是用電焊或氣割切開罐體,然后將凝固的混凝土機械破碎。
    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“風炮”打碎凝結的混凝土,然后一點點鏟出來!罐體下部要割開一個口,加翻開一個原來就有用羅絲上緊的一個封蓋,這個蓋是讓有需求進去工作時翻開通風和緊急情況用來放料的。
    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.
    而在打罐過程中人在罐里面要通風,在裝料罐入口放臺風扇吹風進去,而“風炮”工作時會搞起灰塵,又要接上水管淋濕打碎的混凝土。把罐里面的再混凝土打碎鏟出以后再打割開部分焊接上,上回封蓋,裝滿水試下轉動能否正常,再少量裝料遞增看液壓機工作能否正常,一切正常即可以繼續運作了。
    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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