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How to clean the heat exchanger

How to clean the heat exchanger

  • Categories:Common Problem
  • Author:
  • Origin:
  • Time of issue:2017-12-21
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(Summary description)For a long time, traditional cleaning methods such as mechanical methods (scraping, brushing), high-pressure water, chemical cleaning (pickling), etc. have encountered many problems when cleaning the heat exchanger: the scale and other deposits cannot be completely removed, and the acid solution causes corrosion to the equipment. A loophole is formed, and the residual acid will cause secondary corrosion or under-scaling corrosion to the material, which will eventually lead to the replacement of equipment. In addition, the cleaning waste liquid is toxic and requires a lot of money for wastewater treatment.

How to clean the heat exchanger

(Summary description)For a long time, traditional cleaning methods such as mechanical methods (scraping, brushing), high-pressure water, chemical cleaning (pickling), etc. have encountered many problems when cleaning the heat exchanger: the scale and other deposits cannot be completely removed, and the acid solution causes corrosion to the equipment. A loophole is formed, and the residual acid will cause secondary corrosion or under-scaling corrosion to the material, which will eventually lead to the replacement of equipment. In addition, the cleaning waste liquid is toxic and requires a lot of money for wastewater treatment.

  • Categories:Common Problem
  • Author:
  • Origin:
  • Time of issue:2017-12-21
  • Views:
Information

For a long time, traditional cleaning methods such as mechanical methods (scraping, brushing), high-pressure water, chemical cleaning (pickling), etc. have encountered many problems when cleaning the heat exchanger: the scale and other deposits cannot be completely removed, and the acid solution causes corrosion to the equipment. A loophole is formed, and the residual acid will cause secondary corrosion or under-scaling corrosion to the material, which will eventually lead to the replacement of equipment. In addition, the cleaning waste liquid is toxic and requires a lot of money for wastewater treatment. The newly developed non-corrosive cleaning agent for equipment, among them, there should be a better technology such as Fushitaike cleaning agent, which is efficient, environmentally friendly, safe, and non-corrosive. It not only has a good cleaning effect but also does not corrode the equipment, and can ensure the heat exchanger long-term use. Cleaning agent (special addition of wetting agent and penetrating agent, can effectively remove the most stubborn scale (calcium carbonate), rust, grease, slime and other deposits produced in water equipment, and will not cause harm to the human body. It will not cause corrosion, pitting, oxidation and other harmful reactions to steel, copper, nickel, titanium, rubber, plastic, fiber, glass, ceramics and other materials, which can greatly extend the service life of the equipment.

The heat exchanger manufacturer said: In the process of industrial production, sometimes due to unexpected situations caused by improper operation, individual equipment or local pipelines will become fouled and blocked, which will affect the normal operation of production. For the situation at this time, it is mainly to quickly remove the dirt, to ensure that the production device can operate normally, and return to the normal production state. Restore equipment production efficiency. For example, the fouling of chemical equipment causes a decrease in the heat coefficient of heat transfer from heat exchangers and other equipment, a decrease in pipe circulation area or an increase in circulation resistance, an increase in energy consumption and material consumption, and a significant decrease in production efficiency. At this time, the production efficiency of the production equipment is restored by cleaning and descaling.

Due to many reasons, a lot of dirt such as coking, oil dirt, scale, sediment, corrosion products, polymers, fungi, algae, slime, etc. will be generated in heat exchanger equipment and pipeline lines. However, the dirt generated during work will cause equipment and pipelines to fail, the installation system will suffer from production decline, energy consumption, material consumption and other undesirable conditions. When the dirt is particularly corrosive, the process will be interrupted, and the installation system will be forced to stop production. Cause various economic losses, and even malignant production accidents may occur. In today's scientific development, it is almost impossible to completely avoid the generation of dirt. Therefore, the cleaning of heat exchangers and other equipment has become indispensable in the production of industries (such as petroleum, chemical, electric power, and metallurgical industries). An important link.

The high-pressure water jet cleaning heat exchanger is a physical cleaning method. Compared with the traditional manual, mechanical cleaning and chemical cleaning, it has many advantages: low cleaning cost, good cleaning quality, fast cleaning speed, and no environmental pollution, no damage to equipment corrosion. my country's high-pressure water jet cleaning technology has developed relatively rapidly. The proportion of water jet industrial cleaning in large and medium-sized cities and enterprises is close to 20%, and it is growing at a rate of about 10% per year, which is in the ascendant. It is estimated that in 6-7 years, high-pressure water jet cleaning technology will have an absolute advantage in China's industrial cleaning industry, and it is the only way for my country's industrial cleaning.

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