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What aspects of old air separation equipment currently need to be updated?

What aspects of old air separation equipment currently need to be updated?
Jan 06, 2025
Author: DEAR AST

Old air separation equipment needs to be updated in multiple aspects to meet the requirements of modern industrial production and improve operational efficiency.
The new generation of air separation equipment usually has higher performance indicators and faster production speed, which can complete production tasks faster. By updating equipment, production efficiency can be improved, downtime and failure rates can be reduced.
With the improvement of environmental awareness and the increase of energy costs, energy conservation and consumption reduction have become important driving forces for the renewal of old air separation equipment. The new air separation equipment has improved energy efficiency, reducing energy consumption and emissions, and lowering production costs for enterprises. By updating equipment and introducing advanced technologies such as the Internet of Things and artificial intelligence, intelligent management of air separation equipment can be achieved. Updating old air separation equipment and improving its automation level can help improve production efficiency and product quality. With the continuous tightening of environmental policies, old air separation equipment may not be able to meet current emission standards. Updating equipment and adopting more environmentally friendly technologies and materials can help businesses comply with environmental policies and reduce environmental pollution.
By updating equipment, enterprises can improve production efficiency, reduce costs, comply with environmental policies, ensure equipment safety and compliance, and adapt to changes in market demand, thereby enhancing their competitiveness and sustainable development capabilities.

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Special pressure-bearing equipment generally bears internal pressure, that will cause tensile stress inside the shell, which is called working stress. The working stress is directly proportional to the pressure and diameter, and inversely proportional to the vessel wall thickness. The axial stress is half of the circumferential stress. Therefore, for cylindrical vessels, the stress of longitudinal weld is twice that of girth weld. Because the geometric shape of the spherical shell is symmetrical to the spherical center, and the axial stress is equal to the circumferential stress in numerical value. Therefore, the wall thickness of the spherical vessel can be reduced by half as much as that of the cylindrical vessel under the same pressure and diameter.
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