The technical scheme of Dongcheng Tower rust removal and anti-corrosion construction is feasible, and there are 2 winches for simple booms, and double-drum winches for the cages are installed in place. The construction crew climbed the ladder from the outside of the chimney to the top of the chimney, carried nylon rope and pulleys, and installed the pulleys on the top of the chimney. The simple boom is successively lifted to the chimney top signal platform by pulleys and nylon ropes, and is fixed on the chimney top signal platform. Pull one end of the simple boom wire rope (winch guide) to the signal platform with a pulley and nylon rope, pull it to the ground through the pulley at the top of the simple boom, and install the hook.
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Anti-corrosion material selection and anti-corrosion structure: In view of the above requirements, G-S plans to use the KY2 acid-resistant and temperature-resistant cement produced by Jiangsu Yixing Kaiyuan Anti-corrosion Materials Co., Ltd. G-S. KY2 acid-resistant cement performance and use: the product is made of high-quality acid-resistant fine powder as the matrix, according to a certain proportion of binders, high-quality ceramic materials and other auxiliary materials, it has corrosion resistance, temperature and temperature shock resistance, wear resistance, and strong bonding strength, but also has the advantages of low permeability and good process performance, service life of more than 20 years. It is used for wet desulfurization and acid-resistant brick inner chimney lining anti-corrosion, which can withstand the long-term erosion of high and low temperature flue gas in the chimney, the quenching and hot working conditions and the high-intensity corrosive environment, and effectively protect the service life of the chimney. 
The placement of materials and equipment at the construction site shall be carried out in strict accordance with the "Regulations on the Management of the General Plan of the Construction Site", and the identification shall be clear and accurate. Realize the "fixation" of materials and equipment stacking"Management, to prevent the occurrence of indiscriminate stacking, it is necessary to keep the on-site fire passage and safety passage unblocked, and shall not be arbitrarily occupied. Strengthen the education and management of safe and civilized construction of teams and teams, adhere to the system of "daily cleaning and weekly cleaning", and adhere to the principle of "cleaning the site after the completion of work.""Carry forward the fine tradition and style of "not empty-handed after work, take waste materials". Strengthen the technical management of safe and civilized construction, and professional and technical personnel must prepare "requirements and measures for safe and civilized construction" when preparing "construction work instructions".", and all staff to make a disclosure and sign. 
The construction scale of the G-S Power Generation Co., Ltd. is 2 135wm coal-fired generating units, and the units were put into operation in August 2003 and February 2004 respectively. The flue gas desulfurization unit (FGD) adopts a limestone-gypsum wet process and is arranged in one furnace and one tower, and will be put into operation by the end of 2007. The desulfurization device is not equipped with GGH, and the desulfurization efficiency is not less than 95. The flue gas after desulfurization is wet saturated flue gas, the flue gas temperature is low, and the moisture content in the flue gas is large, resulting in the original chimney can no longer adapt to the corrosive environment after flue gas desulfurization, and the inner wall of the chimney must be treated with anti-corrosion, and the anti-corrosion layer must meet the flue gas medium environment under the operation or stop state of the desulfurization system.