Flue gas desulfurization and denitrification method and device and application of flue gas desulfurization and denitrification device
A technology for desulfurization, denitrification, and flue gas, which is applied in the field of flue gas purification, can solve the problems of inability to realize desulfurization and denitrification reactions and process conditions, dioxins cannot be effectively removed, and heat cannot be effectively used, so as to reduce investment and operating costs, reduced power requirements, and the effect of reduced power requirements
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[0062] Example 1
[0063] See figure 2 In the present invention, the flue gas is respectively passed through a flue gas treatment tower and an irradiation reactor for two-step treatment. The temperature of the flue gas produced by boiler 1 is 130℃, and the flue gas contains SO x The content is 300ppm, and the NOx content is 200ppm.
[0064] figure 2 The components and connections of the electron beam flue gas desulfurization and denitrification device shown are as follows:
[0065] The boiler flue gas inlet 31 of the flue gas-flue gas heat exchanger 3 is connected to the boiler 1 through the first flue 21;
[0066] The flue gas treatment tower 5 is equipped with a spray system 6; the boiler flue gas outlet 32 of the flue gas-flue gas heat exchanger 3 and the flue gas inlet of the flue gas treatment tower 5 51 is connected by the second flue 22, the second flue 22 is provided with an ammonia injection control valve 4; the flue gas outlet 52 of the flue gas treatment tower 5 is con...
Example Embodiment
[0073] Example 2
[0074] See Figure 4 In the present invention, the flue gas is respectively passed through a flue gas treatment tower and an irradiation reactor for two-step treatment. The temperature of the flue gas produced by the boiler 1 is 150°C, the SOx content in the flue gas is 280 ppm, and the NOx content is 200 ppm.
[0075] Figure 4 The components and connections of the flue gas desulfurization and denitrification device shown are as follows:
[0076] The flue gas-flue gas heat exchanger 3, the boiler flue gas inlet 31 of the flue gas-flue gas heat exchanger 3 is connected to the boiler 1 through the first flue 21; the flue gas treatment tower 5, the flue gas treatment tower 5 is installed with a spray system 6; the boiler flue gas outlet 32 of the flue gas-flue gas heat exchanger 3 and the flue gas inlet 51 of the flue gas treatment tower 5 are connected through the second flue 22, and the first flue gas The second flue 22 is provided with an ammonia injection con...
Example Embodiment
[0081] Example 3
[0082] See Figure 5 In the present invention, the flue gas is respectively passed through a flue gas treatment tower and an irradiation reactor for two-step treatment. The temperature of the flue gas produced by the boiler 1 is 150°C, the SOx content in the flue gas is 280 ppm, and the NOx content is 200 ppm.
[0083] Figure 5 The components and connections of the flue gas desulfurization and denitrification device shown are similar to those in Example 2, and the details are as follows:
[0084] The flue gas-flue gas heat exchanger 3, the boiler flue gas inlet 31 of the flue gas-flue gas heat exchanger 3 is connected to the boiler 1 through the first flue 21; the flue gas treatment tower 5, the flue gas treatment tower 5 is installed with a spray system 6; the boiler flue gas outlet 32 of the flue gas-flue gas heat exchanger 3 and the flue gas inlet 51 of the flue gas treatment tower 5 are connected through the second flue 22, and the first flue gas The secon...
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