Heat exchanger industry dynamic power energy saving and environmental protection new fashion
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.
As an important part of thermal equipment, heat exchanger has attracted much attention for its efficient performance in heat transfer and heat exchange process. With the improvement of energy conservation and environmental protection awareness, the application field of heat exchangers continues to expand, extending from the traditional industrial refrigeration and HVAC field to new energy, environmental protection engineering and other fields.
On the one hand, the application of heat exchangers in the industrial field is more and more extensive. In the chemical, electric power, pharmaceutical and other industries, heat exchangers are widely used in the production process of cooling, heating and other links, improve production efficiency and energy saving and emission reduction level. On the other hand, with the improvement of building energy efficiency standards, heat exchangers have been more widely used in the field of air conditioning and heating, effectively improving the efficiency of building energy utilization.
In recent years, the heat exchanger industry has also shown some new development trends. For example, high-efficiency heat exchangers made of new materials and advanced technologies have gradually become the mainstream of the market; intelligent and automated production methods have been promoted, which has improved the quality and production efficiency of heat exchangers. In addition, the green and low-carbon concept has received more attention in the design and manufacture of heat exchangers, which has promoted the industry to move towards a more environmentally friendly and sustainable development direction.
In general, as a key equipment, heat exchangers play an important role in the field of energy conservation and environmental protection, and their continuous innovation and development momentum has brought more development opportunities to all walks of life. It is believed that with the continuous progress of technology and the improvement of market demand, the heat exchanger industry will usher in a more brilliant future.
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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