Application Case of Heat Exchanger in Petrochemical 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.
Heat exchanger is a kind of equipment used to transfer heat, which is widely used in petrochemical industry. Take an oil company as an example. They use heat exchangers in the production process to control and regulate the heat between different fluids to ensure the stable operation of the production line. In the refining process, heat exchangers are used to condense steam, heat crude oil, and improve product efficiency. In addition, the heat exchanger may also be used to heat or cool the catalyst to maintain the temperature of the reaction. Through the use of heat exchangers, the oil company has achieved efficient use of energy and reduced production costs.
In addition to the oil refining industry, heat exchangers also have important applications in other areas of the petrochemical industry. For example, in chemical production, heat exchangers can be used to heat raw materials, cool products, and control reaction temperatures to ensure product quality. In the field of gas separation and purification, heat exchangers also play a key role for condensing liquid gas, recovering waste heat, etc. Therefore, heat exchangers are widely used in the petrochemical industry and play an important role in saving energy and improving production efficiency.
In summary, the application of heat exchangers in the petrochemical industry plays an important role, providing key support for the production activities of enterprises and promoting the development and progress of the industry.
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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