Case Analysis of Heat Exchanger Application in Chemical 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.
A chemical enterprise needs to cool the high temperature fluid in the production process to meet the production requirements, so the heat exchanger equipment is introduced. Through the use of heat exchangers, the company successfully exchanged heat between the high-temperature fluid and the cooling water, effectively reducing the fluid temperature and ensuring the normal operation of the production line.
Heat exchangers play a vital role in the chemical industry. First, the heat exchanger can reduce energy consumption and reduce production costs. Secondly, by optimizing the use of heat energy, the heat exchanger helps enterprises to improve production efficiency and shorten the production cycle. In addition, the stable operation of the heat exchanger also improves the safety of the production line, reduces the probability of accidents, and guarantees the safety of workers' lives and property.
In practical applications, chemical companies need to select the appropriate heat exchanger model and material according to the production process and scale to ensure that the heat exchanger can meet production requirements and have a long service life. At the same time, the heat exchanger is regularly maintained to ensure its normal operation and avoid failure affecting production.
In general, heat exchangers play an irreplaceable role in the chemical industry, helping companies improve production efficiency, reduce costs, and achieve sustainable development. For chemical enterprises, the rational use and maintenance of heat exchanger equipment is one of the important measures to improve production capacity and safety.
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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