2026-04-20Views：
The pulp and paper industry requires high-temperature compressed air in some processes, but it is not necessary for the whole process, and its use depends on the specific process requirements.. The following is a detailed analysis:
pneumatic Control and Power Transmission
compressed air is the main power source of pneumatic valves, instruments, cylinders and other equipment in paper mills. There are no special temperature requirements for such applications, but the air must be clean (e. g. oil-free, particle-free) to avoid contamination of the product or damage to the equipment.
Pulp Pond Agitation and Fiber Separation
in the pulp preparation stage, compressed air is used to stir the slurry or separate the fibers, usually without high temperature, but the pressure and flow rate need to be controlled to ensure process stability.
Vacuum transport adsorption and paper transfer
in the paper feeding process, vacuum suction technology relies on compressed air to achieve precise paper separation and delivery. Such scenarios do not require temperature, but require stable air pressure and flow control.
energy consumption and cost
high-temperature compressed air requires additional heating, which significantly increases energy consumption. For example, a household paper enterprise optimized the compressed air system to reduce the average specific power from 7.9 kW/(m & sup3;· min) to 5.6 kW/(m & sup3;· min), saving 5.002 million kWh per year and 3.501 million yuan in cost. This shows that reasonable control of compressed air temperature can significantly reduce operating costs.
System Optimization and Waste Heat Recovery
Equipment selection and maintenance
energy-saving and low-carbon development
as energy costs rise and environmental pressures increase, paper companies are reducing the energy consumption of compressed air systems through technological upgrades. For example, the use of high-efficiency permanent magnet variable frequency air compressor, intelligent control system and waste heat recovery technology can achieve energy saving rate of more than 20%.
Process suitability
the application of high temperature compressed air needs to be strictly matched to the process requirements. For example, in pulp molding, high temperature may cause deformation of the product, and the best process parameters need to be determined through experiments.
Full lifecycle management
from equipment selection, system design to routine maintenance, energy efficiency, reliability and cost need to be considered. For example, regular detection of compressed air leaks (usually 25% to 30% of air loss) can avoid energy waste and productivity loss.
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