Application and Development of Finned Heat Exchanger in Industry
Type B uses the national standard GB7148-81 and the international ISO7150/1-1948 standard salicylic acid photometric method as the basic test means, supplemented by sample colorimetric reaction pretreatment, to achieve rapid and accurate colorimetric determination of samples, with stable,SensitiveReliable and mercury-free.
Fin heat exchanger is a commonly used heat transfer equipment, through the heat exchange between the inside and outside of the two fluids to achieve the purpose of heating or cooling. Its main feature is a large heat transfer area and high heat transfer efficiency, widely used in petrochemical, electric power, metallurgy, air conditioning and other fields.
With the need of industrial development, the application of fin heat exchanger in the industrial field is becoming more and more common. In the field of petrochemical industry, finned heat exchanger is widely used in the heat exchange process of oil refining and chemical production, which improves the production efficiency and energy utilization rate. In the power industry, finned heat exchangers are used in waste heat recovery systems in power stations, reducing energy waste and reducing operating costs.
With the continuous progress of science and technology, finned heat exchangers are also constantly innovating and developing. The use of new materials, optimization design and other technologies, so that the fin heat exchanger in the heat transfer efficiency, corrosion resistance and other aspects have been greatly improved. At the same time, the structure of the finned heat exchanger is becoming more and more refined and intelligent, which improves the reliability and convenience of the equipment.
In general, the application prospect of finned heat exchanger in the industrial field is broad. With the continuous innovation of technology and the growth of market demand, it will continue to play an important role in providing effective guarantee for the energy utilization and production efficiency of various industries.
Key words: heat exchange equipment
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Type of ammonia nitrogen analyzer
Ammonia nitrogen analyzer according to the different test standards, there are A, B type. Type A is GB7479-87 by Nessler' s reagent colorimetric method. Type B adopts the national standard GB7148-81 and the salicylic acid photometric method specified in the international ISO7150/1-1948 as the basic testing method, supplemented by the sample colorimetric reaction pretreatment, to realize the rapid and accurate colorimetric determination of the sample, which has the advantages of stability, sensitivity, reliability and mercury-free.
Operation steps of ammonia nitrogen analyzer
Pour distilled water or ultra-pure water into a cuvette (about 2/3 height); wipe the water marks and fingerprints on the outer wall with a non-falling paper towel or soft cloth, then put it into the measuring seat of the instrument and cover the shading cover.
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