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The importance of chimney anti-corrosion to chimneys is self-evident, and all companies that need to use chimneys know it. Before carrying out chimney anti-corrosion, the first thing to understand is the existing damage and actual bearing capacity of the chimney, and conduct a comprehensive assessment of the current safety, reliability, and durability of the chimney. Finally, a scientific anti-corrosion construction plan and the selection of anti-corrosion materials are formulated. Let's talk about the causes of chimney anti-corrosion project problems.
1. The construction quality does not meet the relevant design, construction and acceptance specifications, especially for the anti-corrosion block materials. Due to the large amount of pasting and high-altitude operations, coupled with the inadequate supervision and other measures, this is the main reason for the problems in the desulfurization chimney anti-corrosion.
2. The quality of some anti-corrosion materials cannot meet the requirements of the flue gas environment after desulfurization. At present, there are many types of products used for desulfurization chimney anti-corrosion in my country. The research and development, application and evaluation and appraisal of anti-corrosion products are extensive, and it is inevitable that there will be problems with the quality of anti-corrosion products.
3. Power generation enterprises do not have enough awareness and attention to the anti-corrosion of desulfurization chimneys. They have not included the anti-corrosion of desulfurization chimneys in the scope of desulfurization equipment management. Low-price bidding and unreasonable construction period requirements are very common, and they neglect inspections, resulting in some desulfurization chimney anti-corrosion. Once problems are found, they will affect the operation of the unit and even endanger the safety of the chimney structure.
Nowadays, the design and construction of anti-corrosion chimney projects all adopt the quality lifelong system. In recent years, the government has put forward clear life requirements for the design and manufacture of chimney anti-corrosion (such as bridges). Therefore, no matter what kind of anti-corrosion technology is used for chimney anti-corrosion protection, it is necessary to carry out professional and strict quality inspection and supervision during its manufacture or maintenance. In the spirit of being responsible for chimney anti-corrosion projects, project users, construction parties and professional supervisors should pay great attention to this important link.
For each anti-corrosion construction process, it is necessary to put forward clear quality and technical specifications. For example, the sandblasting level or technical pre-treatment level during chimney anti-corrosion pretreatment, the environmental requirements of anti-corrosion construction, the construction process regulations of paint, the on-site sampling inspection of the relevant properties and thickness of the correctly selected paint coating or thermal spray coating, sampling for corrosion tests in simulated environments, coating appearance inspection, etc., all require dedicated personnel.
As a professional chimney manufacturer, Yunbai Environment enjoys a high reputation among domestic and foreign peers. The company focuses on the research and development, production and installation of anti-corrosion chimneys. We look forward to your call for consultation. Free service hotline: 4000-118-339, website: www.szhuading.com
