First, set up regional compressed air station for gas supply. In order to reduce the pressure loss of pipeline network and ensure the use of key gas when the plant is large and the compressed air consumption is large and the main users are dispersed, this scheme is commonly used. Pipelines should be connected between regional stations to achieve the purpose of adjusting load and reserving each other.
Plan two, set up several compressed air stations for gas supply. This scheme is mainly used for small and medium-sized factories and large factories with relatively concentrated gas consumption.
Scenario three, on site gas supply plan. When the gas consumption is small and the gas point is small and scattered, the small air compressor unit can be considered to be installed near the starting point.
Plan four, centralized and decentralized gas supply plan. In some large and medium-sized factories, the main compressed air is more concentrated and less dispersed. In particular, it is advisable to use this scheme at night for less gas consumption.
The above four are the more commonly used schemes. In addition, there are other situations.
When factories need to supply different compressed air, and when the low-pressure gas consumption is large, different pressure levels of air supply system should be considered, and different pressure air compressors should be installed. In order to reduce energy waste caused by depressurization, the pressure level of supply gas should not exceed No. 2 Middle School in order to reduce the investment of initial equipment.
When some gas points in the factory need to supply high quality compressed air, we can consider using a single oil-free ten-air compressor. It is also possible to consider the use of centralized compressed air to supply gas after the treatment of some post-processing equipment. The specific method should be determined by comprehensive economic comparison, depending on the size of the specific gas consumption and the location of the gas point.
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