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Since 2012 - Smart Weigh is committed to helping clients increase productivity at a reduced cost. Contact us Now!
Author: Smartweigh–Multihead Weigher
The multihead weigher is a weighing and feeding device on the production line. The multihead weigher is often used in the dynamic continuous weighing process. It can weigh and quantitatively control the materials that need to be continuously fed, and it can also display the instantaneous flow rate and cumulative flow rate of the material. The multihead weigher is a static weighing device in principle, which uses the weighing technology of the static multihead weigher and weighs the silo with a load cell. However, in the controller of the multihead weigher, the weight calculation of the multihead weigher loss per unit time is obtained to obtain the instantaneous flow rate of the material.
Schematic diagram of the working principle of the multihead weigher When the weighing chamber is empty, the filling valve can be opened. When the maximum level is reached, close the inflation valve and replace the weighing box with a weighing scale. support.
In order to make the weighing accurate, the upper and lower parts of the weighing bin are connected by a flexible inlet or outlet, so that the weight of the front and rear equipment and the materials in it will not be added to the weighing bin. The right side of is a schematic diagram of the continuous feed process, and the continuous feed process has multiple cycles (three cycles are shown in the figure). Each cycle consists of 2 cycles: when the weighing chamber is empty, the inflation valve is opened, and the weight of the weighing chamber is continuously increased.
When the maximum level is reached at time t1, the inflation valve is closed. The screw conveyor starts unloading, at this time the weight loss scale starts to work; after a period of time, when the weight of the weighing silo material decreases continuously and reaches the minimum level at time t2, the inflation valve is reopened, and time t1~t2 is gravity Feed cycle; after some time, when the weight of the weighing bin increases continuously and reaches the highest level again at time t3, the inflation valve is closed and the period from t2 to t3 is the reload cycle, thus repeating. During the gravity feed cycle, the speed of the screw conveyor is controlled according to the instantaneous flow rate to achieve a steady feed; during the refill cycle, the screw conveyor speed is maintained at the same speed as before the start of the cycle, and in a constant volume flow control mode feed.
. Since the multihead weigher combines dynamic weighing and static weighing, it combines intermittent feeding and continuous discharging, and the structure is easy to seal. It is suitable for weighing and batching control of fine materials such as cement, lime powder, coal powder, food, medicine, etc.
Can achieve high weighing accuracy and control accuracy. Zhongshan Smart weight produces quantitative multihead weigher, multihead weigher. The company has a mature technical team and perfect after-sales service.
When buying a quantitative feeder, choose Shan Smart weigh, focus on quality, and win the future together.
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