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Qualification for installation of air separation plant

Qualification for installation of air separation plant
In recent years, with the rapid development of metallurgical and chemical industry, the scale and quantity of air separation plant is becoming larger. Besides, most steel enterprises do not pay enough attention to air separation, with the increase of air separation plant maintenance accidents. It is necessary to discuss the qualification for installation of air separation plant. The qualification for installation of air separation plant shall be undertaken by the mechanical and electrical equipment installation contractor with certain qualification, and of course, it shall also have the corresponding level qualification of pressure pipeline and pressure vessel. The qualification for installation of air separation plant can standardize the installation standard of air separation plant and reduce accidents. At the same time, comprehensive training is the way to make the customer's plant obtain high efficiency, and it is also very important from timely preventive maintenance to high efficiency diagnosis and maintenance. Whether for its product or for industry application, DEAR air separation can provide a wide range of customized training programs. After 16 years of developing, DEAR air separation has won various honors and many authoritative patents, obtained D-level pressure vessel design, manufacturing qualification certificate, pressure pipeline installation, renovation and maintenance qualification certificate and ISO9001 certification, established a full-time measurement and testing, quality inspection, qualification certificate management organization, formulated quality responsibility regulations and relevant quality management systems, and each grass-roots unit has formulated internal management The quality assessment method lays a foundation for the implementation, implementation, continuous improvement and improvement of the quality assurance system.
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Large complete air separation plant KDON(Ar)- 30000/70000-900 solution for chemical industry
DEAR air separation has provided many sets of air separation plant for chemical industry for many years, with rich experience and the safe and stable unit operation. This unit adopts molecular sieve purification, booster turbine expander to supply the cooling capacity of the unit, and the whole rectification hydrogen-free argon production process. The rapid growth of enterprises in the industry is accompanied by the demand for production and the demand for air separation plant. DEAR air separation has cooperated with customers in the large-scale complete set of air separation plant KDON (AR) - 36000/70000-1200 project, which provides customers air separation plant with mature technology, reliable and convenient operation, and energy saving intelligence, which improves the production efficiency of customers, saving the operation cost and creates greater economic benefits.
Large complete air separation plant KDON(Ar)- 36000/70000-1200 solution for chemical industry
DEAR air separation has provided many sets of air separation plant for chemical industry for many years, with rich experience and the safe and stable unit operation. This unit adopts molecular sieve purification, booster turbine expander to supply the cooling capacity of the unit, and the whole rectification hydrogen-free argon production process. The rapid growth of enterprises in the industry is accompanied by the demand for production and the demand for air separation plant. DEAR air separation has cooperated with customers in the large-scale complete set of air separation plant KDON (AR) - 36000/70000-1200 project, which has meet the capacity demand and safety demand of the enterprise.
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Leakage is the easiest failure of regulating valve during operation. Some leak at the welding place, and some leak at the sealing place of the stuffing. When leakage occurs at the welding site, repair welding can be done during overhaul; when leakage occurs at the sealing site of the stuffing, new stuffing can be replaced. Sometimes the film of the film actuator is damaged, and the valve stem can't act normally with the air pressure signal, so it needs to be replaced with a new film. In order to avoid the deformation of the valve stem affecting the regulating function, it is better to stand on the pipeline when installing the regulating valve. It is not suitable to install the low-temperature film regulating valve horizontally, and it should form an angle above 150 with the level so that the sealing place of the stuffing is not affected by the liquid. The slanting valve must be lifted. When operating, always pay attention to whether the regulating valve gets stuck. The sealing fille...
Apr 17, 2024
The three-point temperature of the low temperature of the air separation tower is: T3 temperature refers to the temperature before the high pressure air throttles; T2 temperature refers to the temperature of the air after expansion; t1 refers to the temperature after the first heat exchanger and before the expansion machine. The function of the three-point temperature is mainly to control the gas distribution between the expansion machine and the joint-1 valve during the start-up stage of the air separation tower. There is no need to control the normal and stable operation. If only one or two of the thermometer is out of order, we can speculate the working condition according to the intact temperature point. When the three-point temperature is completely out of order, it can be operated according to the temperature difference between the Heat end of the heat exchanger (namely the temperature difference between the air inlet device of processing air and the outlet temperature of oxyg...
Feb 19, 2024
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