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Waste heat boiler in sulphuric acid plant is an important component of the plant's energy system, which can effectively use the heat generated by the plant's production process, reduce the energy consumption of the plant, and improve the production efficiency of the plant. In order to ensure the normal operation of the waste heat boiler, it is necessary to understand its structure, working principle, and safety precautions.

The waste heat boiler in sulphuric acid plant is a kind of heat exchange device, which can absorb the heat generated by the plant's production process, such as the heat generated by the burning of fuel and the heat generated by the chemical reaction of the production process. The waste heat boiler uses the heat to generate steam, which is used to drive the turbine, thus producing electricity. The waste heat boiler is usually composed of a boiler body, a combustion chamber, a water tank, a steam turbine, a condenser, a heat exchanger, and other components.

The working principle of the waste heat boiler in sulphuric acid plant is relatively simple. The heat generated by the plant's production process is absorbed by the boiler body, and then the boiler body transfers the heat to the water in the water tank. The heated water is then pumped into the combustion chamber, where it is heated to generate steam. The steam is then passed through the steam turbine to produce electricity. The steam is then cooled by the condenser and the heat is recovered. The recovered heat is then passed through the heat exchanger to preheat the water in the water tank, thus improving the efficiency of the boiler.

In order to ensure the safe operation of the waste heat boiler in sulphuric acid plant, it is necessary to pay attention to the following safety precautions: first, the boiler body should be regularly inspected and maintained to ensure its normal operation; second, the pressure of the boiler should be strictly controlled to prevent accidents; third, the temperature of the boiler should be monitored to prevent the boiler from being over-heated; fourth, the boiler should be equipped with safety valves to prevent accidents caused by excessive pressure; fifth, the boiler should be equipped with an automatic water supply system to ensure that the boiler is not running out of water.

In conclusion, waste heat boiler in sulphuric acid plant is an important component of the plant's energy system, which can effectively use the heat generated by the plant's production process, reduce the energy consumption of the plant, and improve the production efficiency of the plant. In order to ensure the safe operation of the boiler, it is necessary to understand its structure, working principle, and safety precautions.