Dry Mix Concrete Batching Plant

The dry mix concrete batching plant does not go through the concrete mixer system of the wet mix concrete batching plant, and the mixing process is completed in the mixing tank of the concrete mixer truck. So, the whole-process control of dry mix concrete plant quality has far-reaching significance for improving the construction level, improving the quality of the project, and ensuring the benefit of the project. Combined with the construction technology of dry mix concrete batch plant, discusses the whole process control of dry mixed concrete batching plant quality for your reference.

 
The dry mix concrete batching plant is weighed and batched according to the mixing ratio required by the construction through the operating table, and the mixture is loaded into the concrete mixer truck at one time, then transported to the construction site. The concrete is mixed according to the on-site concrete mixing process of the concrete mixer truck. Compared with ordinary wet mix concrete batching plant, dry mix batching plants do not require a mixing system, thus reducing the cost of investment. The batching of one truck of concrete is completed at one time, which saves production time and greatly improves production efficiency. Extend the time from concrete delivery to pouring and avoid waste.
 
However, dry mix concrete batching plant has stricter quality control on the quality of raw materials, concrete mix ratio, concrete pouring, maintenance and formwork removal and other construction process requirements. Raw materials are the basis for making up concrete. The quality of raw materials directly affects the quality of concrete. Therefore, the quality of raw materials must be checked first.
1, Cement:
To meet the requirements, use Portland cement, ordinary Portland cement, or slag Portland cement.
2, Sand and gravel aggregates:
The sand should meet the requirements, medium sand should be used, and the mud content should not exceed 3%. The moisture content of sand should be strictly controlled, preferably within 3%.
Crushed stone should be used, the maximum particle size should not be greater than 40mm, the mud content should not be greater than 1%, and the water absorption rate should not be greater than 1.5%. At the same time, the moisture content of sand and gravel should be measured, so as to adjust the amount of sand and stone and water consumption accordingly.
3, Water:
Natural clean water or tap water, which meets the requirements.
4, Admixtures:
The quality of concrete admixtures should meet the requirements. At the same time, the admixtures are required to have good adaptability with cement. Liquid admixtures should be used for easy portability.
5, Mineral admixture:
Meet the requirements and other specifications.
6, The incoming inspection of raw materials:
It is the first quality control check to ensure the quality of concrete. Random sampling test of raw materials is an important means to ensure the continuity of concrete quality.
7, Raw material weighing control.
The measurement of raw materials should use electronic measurement equipment, and the accuracy of the measurement equipment should meet the requirements. The measuring instruments must be calibrated before entering the site. Only qualified measuring instruments can be calibrated and should be calibrated regularly.