The tube-type heat exchanger is a relatively good heat exchanger, and it is also widely used in the field suitable for the use of the tube-type heat exchanger, but when the tube-type heat exchanger is used for a long time, it must be timely In order to ensure the use effect and life of the tube heat exchanger.
Tube heat exchanger
For a long time, traditional cleaning methods such as mechanical methods (scraping, brushing), high-pressure water, chemical cleaning (acid cleaning), etc. have many problems when cleaning the heat exchanger: the deposits such as scale cannot be completely removed, and the acid liquid causes corrosion to the equipment A loophole is formed, and the residual acid causes secondary corrosion or under-scale corrosion on the material, which eventually leads to equipment replacement. In addition, the cleaning waste liquid is toxic and requires a large amount of funds for wastewater treatment.
The newly developed non-corrosive cleaning agent for equipment is highly efficient, environmentally friendly, safe and non-corrosive. It not only has good cleaning effect but also no corrosion to the equipment, which can guarantee the long-term use of the heat exchanger. Cleaning agent (specifically added wetting agent and penetrating agent, can effectively remove the most stubborn scale (calcium carbonate), rust, grease, slime and other sediments generated in the water equipment, while not harming the human body, It will not cause erosion, pitting corrosion, 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.
In the process of industrial production, sometimes the sudden situation caused by improper operation may cause the scaling or blockage of individual equipment or local pipeline lines, affecting the normal operation of production. For the situation at this time, it is mainly to quickly remove dirt to ensure that the production device can operate normally and resume normal production. Restore device productivity. For example, the fouling of chemical equipment causes the heat transfer coefficient of heat exchangers and other equipment to decrease, the flow area of the pipeline decreases or the flow resistance increases, the consumption of energy and materials increases, and the production efficiency decreases significantly. 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 the heat exchanger equipment and pipeline lines. However, such dirt generated during work will cause the equipment and pipelines to fail, and the equipment system will have production decline, energy consumption, and material consumption increase. If the corrosion of the dirt is particularly serious, the process will be interrupted, and the equipment system will be forced to stop production. Caused various economic losses, and even a malignant production accident may occur. In the scientific development today, 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, power, and metallurgical industries). An important link.
Tube heat exchanger
The high-pressure water jet cleaning heat exchanger is a physical cleaning method. Compared with 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 equipment corrosion. The development of high-pressure water jet cleaning technology in China is relatively rapid. The proportion of water jet industrial cleaning is close to 20% in large and medium-sized cities and enterprises, and it is growing at a rate of about 10% per year. It is estimated that in the 6-7 years, in China's industrial cleaning industry, high-pressure water jet cleaning technology will have an absolute advantage, which is the only way for my country's industrial cleaning.
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