Air channeling preventing flue gas treatment system for chain grate and flue gas treatment process thereof
A technology of flue gas treatment system and chain grate machine, which is applied in the direction of gas treatment, dispersed particle filtration, membrane technology, etc., to achieve the effect of short control process, simple method, and reduced investment and operation costs
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[0100] According to the first embodiment of the present invention, a chain grate machine anti-channeling flue gas treatment system is provided. The system includes a chain grate machine 1, a rotary kiln 2, a desulfurization device 4, an SCR denitrification device 5, and a dust removal device 6. According to the direction of the material, the chain grate machine 1 is sequentially provided with a blast drying section UDD, a draft drying section DDD, a preheating section TPH and a preheating section PH. The second stage of preheating PH communicates with the flue gas outlet of the rotary kiln 2 through the first pipeline L1. An anti-channeling wind device 3 is arranged between the preheating first stage TPH and the preheating second stage PH. The air outlet of the second preheating stage PH is connected to the air inlet of the draft drying stage DDD through the fourth pipeline L4. The air outlet of the exhausting and drying section DDD is connected to the chimney through the fif...
Embodiment 1
[0142] Such as figure 1 As shown, a chain grate machine anti-channeling flue gas treatment system includes a chain grate machine 1, a rotary kiln 2, a desulfurization device 4, an SCR denitrification device 5, and a dust removal device 6. According to the direction of the material, the chain grate machine 1 is sequentially provided with a blast drying section UDD, a draft drying section DDD, a preheating section TPH and a preheating section PH. The second stage of preheating PH communicates with the flue gas outlet of the rotary kiln 2 through the first pipeline L1. An anti-channeling wind device 3 is arranged between the preheating first stage TPH and the preheating second stage PH. The air outlet of the second preheating stage PH is connected to the air inlet of the draft drying stage DDD through the fourth pipeline L4. The air outlet of the exhausting and drying section DDD is connected to the chimney through the fifth pipeline L5. The SCR denitration device 5 is arrange...
Embodiment 2
[0144] Repeat Example 1, such as Figure 4-6 As shown, the anti-channeling device 3 includes an airflow balance plate 301 , a moving platform 302 , rollers 303 and slots 304 . The airflow balance plate 301 is arranged inside the chain grate machine 1 . The mobile platform 302 is arranged on both sides of the outer lower end of the first-stage preheating PH and the second-stage preheating PH. The rollers 303 are arranged at the bottom of the mobile platform 302 . The slots 304 are arranged on both sides of the outer upper ends of the first-stage preheating PH and the second-stage preheating PH. The mobile platform 302 is also provided with a fixed base 30201 . A column 30202 is arranged on the fixing base 30201 . The top of the column 30202 passes through the slot 304 and connects with the top of the airflow balance plate 301 . A mobile motor 30203 is also provided outside the mobile platform 302 . The mobile motor 30203 drives the mobile platform 302 to move on the rolle...
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Abstract
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