Heat exchanger for efficient energy management
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 heat exchanger is a device that can transfer heat between fluids. Through the heat transfer process, the heat in the high-temperature fluid is transferred to the low-temperature fluid to achieve the purpose of cold and heat exchange. Heat exchangers are widely used in various industries, such as chemical, electric power, pharmaceutical and other fields.
The working principle of the heat exchanger is mainly to use the heat transfer between fluids, and to transfer the heat energy of two fluids with different temperatures through pipes or plates. Among them, common types of heat exchangers include shell and tube heat exchangers, plate heat exchangers, heat exchange tube bundles, etc.
In industrial production, heat exchangers play a key role. First of all, heat exchangers can help reduce energy consumption in the production process and improve production efficiency. Secondly, through the rational design and selection of heat exchangers, energy saving and emission reduction can be achieved, and the negative impact on the environment can be reduced. In addition, the heat exchanger can also be used to control temperature, realize cooling, heating and other functions in industrial production.
In general, as an important energy transfer equipment, heat exchanger plays an irreplaceable role in industrial production. Through the rational application of heat exchangers, more efficient energy management can be achieved and the sustainable development of industrial production can be promoted.
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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