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Website name: Xinxiang Hengyan Machinery Equipment Co., Ltd.

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Mobile: 13937388396

Phone: 0373-3353778

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What is "segregation" of dry-mixed mortar? Dry mixing mortar production equipment to answer your questions

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What is "segregation" of dry-mixed mortar? Dry mixing mortar production equipment to answer your questions

作者: Release Date: 2018-09-11 Author: Click:

What is "segregation" of dry-mixed mortar? Dry mixing mortar production equipment to answer your questions

Dry-mixed mortar refers to a mixture of fine aggregates, mineral admixtures, and admixtures that are produced by professional manufacturers with cement as the main cement and dry sieving treatment. They are a mixture of concrete, Another revolution in building materials and construction technology. With the development of society, it is inevitable that dry-mixed mortar will replace traditional mortar. However, there are still many technical problems to be solved in terms of actual production and application of dry-mixed mortar. One of the key problems is the "segregation" of dry-mixed mortar. This problem is called "segregation" technical problem in the industry.

Dry-mixed mortar is a mixture of powdered and granular materials. After powdered and granular materials are mixed, due to their different properties, secondary powder and particulate matter may occur during storage, transportation and use. Separation is the phenomenon of "segregation" of dry-mixed mortar. If the "segregation" phenomenon cannot be effectively controlled, it will seriously affect the quality of the finished product of dry-mixed mortar and the quality of construction. The "segregation" phenomenon of dry-mixed mortar is a problem that all dry-mixed mortar production enterprises must encounter and cannot avoid. In order to solve this problem, the technicians in the industry researched intensively, and found the "vital points" for the dry-mixed mortar isolation through analysis, investigation, experiment, and adjustment. Dry-mixed mortar production equipment

1. The problem of "segregation" of dry-mixed mortar is not "all soldiers"

The problem of "segregation" of dry-mixed mortar is not "all soldiers." Theoretically speaking, the "segregation" of dry-mixed mortar may occur during the movement, but the "segregation" of some processes is very slight and can be ignored. To prevent the problem of "segregation" of dry-mixed mortar, in addition to the strict control of process quality in the production process, the focus should be on the various process points after the finished product.

2. The problem of "segregation" of dry-mixed mortar is caused by different angles of repose of materials

Many sources have focused their research on the "segregation" of dry-mixed mortars on the free fall of materials. In fact, the "segregation" of dry-mixed mortar does not occur during the free-fall process, but occurs after the material falls and accumulates into a cone shape. Because the repose angles of powder materials (cement, etc.) and granular materials (gravel, etc.) are different, when dry-mixed mortar naturally forms a vertebral shape during the stacking process, the powder naturally accumulates upward with the vertebrae, and particles such as sand and gravel The material naturally falls down from around the vertebral body, resulting in "segregation". The size of the gap between the blanks determines the weight of the "segregation" of the powder and pellets. Different granules have different "segregation" results. For example, river sand has smaller "segregation" than other sands.

3. The "segregation" of dry-mixed mortar has a lot to do with the structure of the storage tank

Whether it is a finished product storage tank or a construction site storage tank, the irrational structure of the storage tank is one of the main factors leading to the problem of "segregation" of dry-mixed mortar. Whether the material in the storage tank falls as a whole or "pumps" and whether the material drops smoothly is the key to whether the dry-mixed mortar "segregates". 这些装置不是在帮助物料下料顺畅,而是促使物料“离析”。 At present, there are problems with the feeding devices of most storage tanks. These devices for dry-mixed mortar production equipment do not help the feeding of materials smoothly, but promote the "segregation" of the materials.

4. Loading and unloading speed has an impact on "segregation"

Regardless of loading, pumping, or storage tank unloading, the loading and unloading volume must be large and fast. Experiments have shown that the problem of "segregation" of dry-mixed mortar with a small amount of material and a slow feeding speed is greater than a large amount of material and a fast feeding speed.

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Keywords: dry-mixed mortar production equipment , dry-mixed mortar equipment , mortar equipment

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