Heat exchanger need cleaning according to the scale, when the heat transfer effect can not meet the requirements of process design is will have to be washed.
This is relatively simple inspection standards, from the perspective of saving energy and reducing consumption, heat exchanger heat transfer surface condenser if attached to 0.
2 ~ 2 mm scale, will enable heat transfer efficiency to reduce 10 ~ 40%, 0.
3 mm silicon scale, will make heat exchanger condenser heat transfer efficiency is reduced by 90%.
In addition, the heat exchanger cleaning has very important significance: 1, the heat exchanger cleaning can improve the look of the equipment, purification and beautification, removal of factories, buildings, transport of dirt on the surface of the inside and outside, also its true colors, can be achieved to improve its appearance, the purpose of purification.
2, heat exchanger cleaning can maintain normal production, extend the service life of equipment, clean up dirt raw material surface can keep the surface properties of materials, the implementation of the subsequent production process.
Regularly or irregularly clean production equipment of the dirt, to maintain the normal operation of equipment, control equipment corrosion, prolong service life and the purpose of the operation cycle.
3, heat exchanger cleaning can reduce energy consumption, reduce the production cost of industrial cleaning besides all these aspects can reduce the cost also can reduce consumption of raw materials and energy, improve the production efficiency to reduce production cost.
4, heat exchanger cleaning can reduce production accident, beneficial to human health.
Clean dirt can reduce accidents caused by production process and equipment of reason, and with the personal.
Cleaning sterilization, disinfection, removal of radioactive pollution, etc. , beneficial to human health.
5, heat exchanger cleaning can improve the production capacity, improve the quality of the product to remove contaminants on the surface of the raw materials xiaoke to maintain its good after processing performance, improve product quality with burning.
Regular cleaning of equipment and can maintain its production capacity, reduce the influence of dirt on the product performance.
Heat exchanger is petroleum, chemical
, metallurgical, power, grain and oil, refrigeration, food processing and widely used in the defense industry in areas such as a general process equipment.
In petrochemical plant, heat exchanger investment accounts for about more than 20% of the total investment, accounting for more than 40% of the total quality equipment.
The effect of the heat exchanger, there are two: one is through the heat exchange makes logistics process temperature reached the requirements of temperature, to complete the heating, cooling, evaporation and condensation processes;
Second, can effectively use the heat source, it has become an indispensable equipment in waste heat recovery, etc.
However, some of the heat exchanger is under high temperature and high pressure working conditions, such as the working medium pressure up to 250 mpa, operating temperature up to 1000 ~ 1500 ℃;
Some of its working fluid have the characteristics of flammable, explosive, toxic, corrosive, combined with the chemical and petrochemical production requires large quantity, continuity is strong, therefore, it brought certain difficulties to the normal operation of the heat exchanger, a bit careless accident occurs, endanger the life safety of the employees.
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