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混凝土搅拌站需要用到的原材料包括水泥、粉煤灰等粉料，砂石等骨料，要想生产出高质量的混凝土，必须要保证这些原材料称量精准，那么这些原材料是如何称量的呢？

The raw materials used in the concrete mixing plant include cement, fly ash and other powder materials, sand and gravel and other aggregates. In order to produce high-quality concrete, it is necessary to ensure the accurate weighing of these raw materials. How are these raw materials weighed?

骨料一般堆集在混凝土搅拌站的后部，用墙隔成若干独立的料仓，分别用于储存石料、砂子等，利用拉铲把堆料场内的材料堆积起来并将材料分别运向不同的储料区，当控制闸门打开后，骨料流入提升料斗由秤进行逐个称量。骨料称量系统即为骨料称量秤，由秤斗、秤盘、一级杠杆、二级杠杆和弹簧表盘等主要部分构成，其中弹簧表盘是秤的关键部分，其精度必须达标，表盘不仅是秤的部件，还是称量过程的讯号指示器，指示下一程序进行工作。

The aggregate is generally stacked at the rear of the concrete mixing plant and divided into several independent silos with walls, which are respectively used to store stone and sand. The materials in the stockyard are stacked with pull shovels and transported to different storage areas. When the control gate is opened, the aggregate flows into the lifting hopper and weighed one by one by the scale. The aggregate weighing system is the aggregate weighing scale, which is composed of scale bucket, scale pan, primary lever, secondary lever and spring dial. The spring dial is the key part of the scale, and its accuracy must meet the standard. The dial is not only a component of the scale, but also a signal indicator in the weighing process to instruct the next program to work.

混凝土搅拌灌车粉料的称量

Weighing of powder of concrete mixer truck

水泥称量和水泥仓设备主要安装在搅拌站设备两侧，水泥仓底部有闸门和喂料器，与螺旋输送机连接，放料时闸门打开，由螺旋输送系统将水泥输送水泥秤斗进行称量，水泥称量的工作原理与骨料秤基本相同，当表盘上动针与定针重合时，螺旋输送机停止送料。

The cement weighing and cement bin equipment are mainly installed on both sides of the mixing plant equipment. There are gates and feeders at the bottom of the cement bin, which are connected with the screw conveyor. When discharging, the gates are opened, and the screw conveyor system transports the cement to the cement scale bucket for weighing. The working principle of cement weighing is basically the same as that of the aggregate scale. When the moving needle on the dial coincides with the fixed needle, the screw conveyor stops feeding.