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Large-scale natural gas liquefaction unit

Large-scale natural gas liquefaction unit
The core of the large natural gas liquefaction equipment in the tube wound heat exchanger, the aluminium alloy tube welded to the composite tube plate, the shaking conditions and the impact on the reliability of the connection structure of the tube wound body, tube plate and central cylinder.
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Mar 24, 2025
DEAR Air Separation Successfully Signs 25,000 Nm³/h Intelligent Air Separation BOT Project with Huaxi Steel
May 09, 2021
On May 6, the conference of DEAR Air Separation celebrated May 1st International Labor Day and the provincial “May 1st” advanced Model Recognition Con
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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)-13000/22000-350 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) - 13000 / 22000-350 project, which has meet the capacity demand and safety demand of the enterprise.
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How to prevent runaway of motor brake expander?
May 25, 2026
1.The purpose of purging is to purge the welding slag and dirt left in the pipeline and container. 2.The principle of purging is doing the outside columnfirstly,and the inside column after. The purging should be carried out one pipeline by one. 3.When purging the system, the filter core on the equipment inlet pipe should be removed. 4.When purging the pipe outside the cold box, all the valves connected with the cold box should be disconnected to prevent dirt from entering the valve and column. 5.The purging of each system should be repeated for many times. The purging time shall not be less than 4 hours. 6.To check whether the purging is complete, wet white filter paper or white cloth shouldbe used to placeat the outlet of purging. After 5 minutes, it is qualified if it is clean and free of obvious mechanical impurities.
May 20, 2026
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