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Mortar Mixing Plant
Description
brief introduction
Generally speaking, it mainly consists of yellow sand, cement, thickened powder, fly ash, and admixtures. In addition, admixtures such as early strength agent and quick drying agent are added according to the variety requirements. It can be transported to the construction site in packaging or bulk, and can be directly used after mixing with water according to the specified proportion. Large domestic manufacturers that can provide complete dry mixed mortar production lines include Shandong Liugong and Southern Subgrade.
The dry mixed mortar station is a production line used to produce dry mixed commercial mortar, and its main components generally include the following parts:
1. Wet sand pretreatment, drying, cooling, and storage;
2. Storage of cementing agents, fillers, and additives;
3. Batching measurement of main and auxiliary materials;
4. Mixing and stirring;
5. Packaging or bulk;
6. Fully automatic process computer control system.
technological process
Dry mixed mortar stations have different schemes according to requirements and market differences. Commonly used are station type layout, ladder type layout, tower type layout, etc. The general process is to lift all pretreated raw materials to the top of the raw material silo, rely on the weight of the raw materials to naturally flow out of the silo, and pass through weighing, batching, mixing, packaging, and other processes to become the final product. All production is completed under the operation of a modern microcomputer control system. As long as the operator specifies the type and quantity of the product, the rest of the operations are automatically completed by the control system, without manual intervention. All closed production system equipment is used, and the site is clean without dust pollution, ensuring the health of workers. The equipment is of modular structure, with production capacity that can connect with market development, high batching accuracy, flexible use, and easy expansion.
The drying system is a core of the entire mortar station and a key point in determining the overall production efficiency. Single drum dryers have been phased out because they not only occupy a large area, but also have high coal consumption, and the only advantage is convenient maintenance. With the maturity of the three-cylinder dryer technology, the mainstream is starting to use three-cylinder dryers. The main manufacturers of three-cylinder dryers include Xuzhou Tiandi Heavy Industry Co., Ltd., Shanghai Shanshui, etc. The overall production efficiency of the three cylinder dryer is divided into 20, 30, 40, 50, 60 series. Refers to the dry sand production per hour. Generally, 30 tons can reach a yield of 25 to 28 tons, and the mortar can be mixed to 35 to 40 tons.
The choice of heat source for drying equipment can be hot blast furnace, fluidized bed furnace, etc. The cost of hot blast furnaces is lower, but they need to burn coal well without producing slag; Fluidized bed furnaces are relatively expensive and can burn coal. The selection of drying equipment is mainly based on local actual conditions. If it is in a coal production area and environmental requirements are not strict, then a fluidized bed furnace can be used.
The screening system can use a single stage linear vibrating screen or a grading screen, and some manufacturers have added a vibration crushing device to crush the screened coarse sand and recycle it. The key points for selecting the screening system are as follows: Based on the actual sand selection, if ordinary river sand is used and there is no crushing device, then an ordinary linear vibrating screen is sufficient. If stone powder is required, it is best to use a roller screen.
Generally, there are two types of mixing systems: single axis pear knife type or double axis gravity free type. Both types of mixers can be used in mortar stations, but in terms of equipment selection, they are also very particular. The single shaft pear knife type mixing machine can mix more fully, especially with some very small amounts of additives, so it can be used to produce special mortar, with the disadvantages of high cost and low mixing efficiency; The dual axis gravity free mixing host has the characteristics of high mixing accuracy, fast speed, low energy consumption, and sealable operation, which is suitable for the production of ordinary mortar.
Other components include metering systems, bulk and packaging systems, dust removal systems, control systems, and more.
Generally speaking, it mainly consists of yellow sand, cement, thickened powder, fly ash, and admixtures. In addition, admixtures such as early strength agent and quick drying agent are added according to the variety requirements. It can be transported to the construction site in packaging or bulk, and can be directly used after mixing with water according to the specified proportion. Large domestic manufacturers that can provide complete dry mixed mortar production lines include Shandong Liugong and Southern Subgrade.
The dry mixed mortar station is a production line used to produce dry mixed commercial mortar, and its main components generally include the following parts:
1. Wet sand pretreatment, drying, cooling, and storage;
2. Storage of cementing agents, fillers, and additives;
3. Batching measurement of main and auxiliary materials;
4. Mixing and stirring;
5. Packaging or bulk;
6. Fully automatic process computer control system.
technological process
Dry mixed mortar stations have different schemes according to requirements and market differences. Commonly used are station type layout, ladder type layout, tower type layout, etc. The general process is to lift all pretreated raw materials to the top of the raw material silo, rely on the weight of the raw materials to naturally flow out of the silo, and pass through weighing, batching, mixing, packaging, and other processes to become the final product. All production is completed under the operation of a modern microcomputer control system. As long as the operator specifies the type and quantity of the product, the rest of the operations are automatically completed by the control system, without manual intervention. All closed production system equipment is used, and the site is clean without dust pollution, ensuring the health of workers. The equipment is of modular structure, with production capacity that can connect with market development, high batching accuracy, flexible use, and easy expansion.
The drying system is a core of the entire mortar station and a key point in determining the overall production efficiency. Single drum dryers have been phased out because they not only occupy a large area, but also have high coal consumption, and the only advantage is convenient maintenance. With the maturity of the three-cylinder dryer technology, the mainstream is starting to use three-cylinder dryers. The main manufacturers of three-cylinder dryers include Xuzhou Tiandi Heavy Industry Co., Ltd., Shanghai Shanshui, etc. The overall production efficiency of the three cylinder dryer is divided into 20, 30, 40, 50, 60 series. Refers to the dry sand production per hour. Generally, 30 tons can reach a yield of 25 to 28 tons, and the mortar can be mixed to 35 to 40 tons.
The choice of heat source for drying equipment can be hot blast furnace, fluidized bed furnace, etc. The cost of hot blast furnaces is lower, but they need to burn coal well without producing slag; Fluidized bed furnaces are relatively expensive and can burn coal. The selection of drying equipment is mainly based on local actual conditions. If it is in a coal production area and environmental requirements are not strict, then a fluidized bed furnace can be used.
The screening system can use a single stage linear vibrating screen or a grading screen, and some manufacturers have added a vibration crushing device to crush the screened coarse sand and recycle it. The key points for selecting the screening system are as follows: Based on the actual sand selection, if ordinary river sand is used and there is no crushing device, then an ordinary linear vibrating screen is sufficient. If stone powder is required, it is best to use a roller screen.
Generally, there are two types of mixing systems: single axis pear knife type or double axis gravity free type. Both types of mixers can be used in mortar stations, but in terms of equipment selection, they are also very particular. The single shaft pear knife type mixing machine can mix more fully, especially with some very small amounts of additives, so it can be used to produce special mortar, with the disadvantages of high cost and low mixing efficiency; The dual axis gravity free mixing host has the characteristics of high mixing accuracy, fast speed, low energy consumption, and sealable operation, which is suitable for the production of ordinary mortar.
Other components include metering systems, bulk and packaging systems, dust removal systems, control systems, and more.
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