In the rapidly developing modern construction industry, the demand for sand and gravel aggregates as the cornerstone of infrastructure construction is increasing day by day. Mechanized sand, as an effective supplement to natural sand resources, is highly favored due to its controllable quality and wide range of sources. The choice of mechanism sand production line is directly related to multiple aspects such as production efficiency, cost control, and environmental adaptability. This article will delve into the advantages and disadvantages of fixed and mobile mechanism sand production lines, providing comprehensive reference for investors and decision-makers.
1、Overview
Fixed production line refers to a production line established in a fixed location, which usually requires a large amount of civil engineering, such as foundation construction, factory building, etc. This type of production line is suitable for large-scale, long-term stable production environments.
A mobile production line refers to a production line that can be quickly moved to different work locations according to production needs. It usually consists of several independently movable units. This production line is very suitable for situations that require frequent changes in work locations or short project cycles.

2、Selection criteria
From the perspective of applicable scenarios, fixed production lines are more suitable for large-scale engineering projects with stable raw material sources, large production volumes, and long production cycles. For example, national infrastructure construction projects such as highways, railways, bridges, etc. have a huge demand for sand and gravel materials and strict quality requirements. Fixed production lines can meet these demands. Relatively speaking, mobile production lines are more suitable for small or medium-sized engineering projects, or areas with uneven distribution of raw materials and remote geographical locations. Urban renovation projects, small residential area construction, etc. can all benefit from mobile production lines.
From a cost-benefit perspective, although fixed production lines require significant initial investment, their long-term production costs are relatively low and suitable for large-scale production. According to statistics, the operating cost of a fixed production line is about 60% -70% of that of a mobile one. Although mobile production lines have cost advantages in initial establishment, they may not be economical in the long run due to high transportation and equipment maintenance costs.

In a practical case, a large state-owned enterprise chose a fixed mechanism sand production line to support its long-term infrastructure projects. By centralizing the procurement of efficient equipment and optimizing production processes, this project not only ensures production volume and product quality, but also effectively reduces long-term production costs. On the other hand, a company focused on urban renovation projects has adopted mobile production lines. This enables them to quickly respond to changes in project locations, although the production cost of individual projects is high, overall achieving optimal resource allocation and cost savings.