【技术背景】

The rotary air preheater is key equipment in the boiler system of a power plant, used to recover waste heat from flue gas and improve boiler thermal efficiency. However, after long-term operation, sulfate, ammonium salt, ash and other scaling substances tend to deposit inside the air preheater, leading to reduced heat exchange efficiency, increased resistance, and even equipment corrosion and blockage problems.

【钛盾解决策略】

The chemical cleaning agent for rotary air preheater scaling developed by Titan Shield Technology adopts a highly efficient and environmentally friendly formula, which can rapidly dissolve and remove various types of scaling on the surface of the air preheater heat storage elements (such as ammonium bisulfate, ash scale, oil stains, etc.), restore heat exchange efficiency, reduce flue gas and air resistance, extend equipment service life, and ensure the safe and economical operation of the power plant.

1. High-efficiency cleaning.Utilizing composite organic acids, corrosion inhibitors, and penetrants, it rapidly softens and dissolves stubborn scaling, achieving a cleaning efficiency of over 90% and significantly improving the heat exchange performance of the air preheater.

2. Safe and environmentally friendly.The formula contains no strong acids, strong alkalis, or toxic substances, has a low corrosion rate (≤1g/m²·h), causes no damage to the metal substrate, and complies with environmental emission standards.

3. Strong adaptability.The cleaning plan can be adjusted according to scaling of different compositions (such as NH₄HSO₄, CaSO₄, ash, oil stains, etc.), and is suitable for various power plant operating conditions including coal-fired, gas-fired, and biomass power plants.

4. Convenient operation.Supports online or offline cleaning without disassembling the air preheater rotor, reducing downtime and lowering labor and maintenance costs.

5. Long-lasting protection.After cleaning, a passivation film is formed on the metal surface, delaying the re-formation of scaling and extending the equipment operating cycle.

1. Coal-fired power plants.Applicable to ammonium bisulfate (NH₄HSO₄) scaling caused by high sulfur content in coal, solving the blockage problem in the low-temperature section of the air preheater.

2. Gas-fired power plants.Removes small amounts of carbon deposits and oil stains generated after natural gas combustion, maintaining efficient operation of the air preheater.

3. Biomass/waste-to-energy power plants.Effectively cleans ash scale and molten salt deposits, targeting the characteristics of high ash content and high viscosity in biomass fuel.

4. Air preheaters not cleaned for a long time.Performs deep chemical cleaning on air preheaters with severe historical scaling to restore the designed heat exchange efficiency.

【钛盾服务支持】

Titan Shield Technology providescleaning plan design + chemical supply + on-site construction guidanceintegrated services to ensure maximum cleaning effectiveness. Welcome to inquire and consult!