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Common faults of air separation unit

Common faults of air separation unit
In order to ensure the good operation of air separation unit, the common faults of air separation unit should be treated in time to avoid economic losses of enterprises.
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Sep 30, 2020
On September 24, a delegation from QinZhou Federation of Industry and Commerce of Guangxi province came to DEAR air separation for investigation and i
Sep 11, 2020
On September 7, it was reported that in order to prevent and control environmental pollution by solid waste, protect public health, maintain ecologica
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Large air separation plant KDON-20000/20000 solution for metallurgical industry
DEAR air separation has cooperated with customers in metallurgical industry domestic and abroad in many projects, and has rich project experience. DEAR has continuously invested in the research and development of large-scale air separation plant. In view of metallurgical industry, DEAR combined with the characteristic of this industry, develops high-efficiency energy-saving air separation plant, to meet the needs of large and medium customers. DEAR air separation uses the rapid development of internet technology to establish a remote monitoring system to collect real-time operation data of each air separation plant, and provides the best suggestions for users by using big data analysis.
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.
Faq of Common faults of air separation unit
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1. What is reflux ratio? What influence does it have on rectification? Answer: reflux ratio refers to the ratio of the amount of liquid in the lower stream of the distillation tower to the amount of rising steam. The purity of the distillation product depends on the size of the reflux ratio when the number of the tower plates is certain. When the reflux ratio is large, the nitrogen purity in the obtained gas phase is high, while the oxygen purity in the liquid phase is low; when the reflux ratio is small, the nitrogen purity in the obtained gas phase is low, and the oxygen purity in the liquid phase is high. 2. What are the causes of the molecular sieve water inflow accident? Answer: 1. When the liquid level of the air cooling tower is higher than 3500mm, the water will exceed the height of the air inlet pipe, and a large amount of water will enter the molecular sieve adsorber along with the air; 2. When the resistance of the air cooling tower rises, which is higher than 7kPa, liqui...
Sep 08, 2022
1 The condensing evaporator connected with the upper and lower towers arranges multiple plate units in a single layer, or adds auxiliary condensing evaporator to the tower. This kind of layout is the most conventional one, which is convenient to install, simple to arrange the pipeline, and also saves more space. 2 separately arranged condensing evaporator place multiple plate units in a cylindrical container in parallel, and connect them with upper and lower towers by pipes, which is a separately arranged condensing evaporator. This kind of structural form condensing evaporator is separated from the upper and lower towers, which is not limited by cross section, but increases equipment investment cost and pipeline configuration. 3 Multi-layer or double-layer condensing evaporator arrange multiple Plate-fin Heat Exchanger (main cooling unit) according to the upper and lower layers, and arrange them between the upper and lower towers, make the limited section layout as large as possibl...
Sep 06, 2022
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