Regeneration system and regeneration method of adsorbent in coke oven smoke purification
A flue gas purification and regeneration system technology, applied in the fields of combustible gas purification, chemical instruments and methods, combustible gas purification/reconstruction, etc., can solve the problems of inability to effectively treat exhaust gas and waste residue, and achieve the effect of clean and efficient flue gas purification
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Embodiment 1
[0076] This embodiment provides a regeneration system and regeneration method for adsorbent in coke oven flue gas purification, such as figure 2 As shown, the system includes an analysis tower 1, a screening device 2, a heat source generating device 3, an ammonium sulfate treatment section 4, a coke oven 5 and a blower fan 6;
[0077] Wherein, the top of the analysis tower 1 is provided with a feed inlet for the adsorbent to be regenerated, and the bottom is provided with a discharge port for the regenerated adsorbent, and the discharge port for the regenerated adsorbent is connected to the screening device 2, and the discharge port for the regenerated adsorbent is connected to the sieve A discharge valve is arranged between the sub-units 2, and the desorption tower 1 includes a heating section positioned at the top and a cooling section positioned below the heating section, the heat source inlet of the heating section is connected to the heat source generating device 3, and t...
Embodiment 2
[0084] This embodiment provides an adsorbent regeneration system and regeneration method in coke oven flue gas purification. The structure of the system refers to the structure in Embodiment 1, the only difference is that, as image 3As shown, the system also includes a purification device 7, which is located between the analytical gas outlet and the ammonium sulfate treatment section 4, and the purification device 7 is a bag dust removal device; the heating medium of the hot blast stove is coke oven blast furnace mixed gas.
[0085] The regeneration method refers to the method in Example 1, the difference is only that: the adsorbent is the cylindrical active coke to be regenerated from the coke oven flue gas purification in the coking plant; the resolution temperature in step (a) is 460°C; In step (b), the slag with a particle size > 2 mm is sent to the coking wastewater treatment workshop, and then sold to activated carbon recycling manufacturers for recycling or as fuel in s...
Embodiment 3
[0088] This embodiment provides an adsorbent regeneration system and regeneration method in coke oven flue gas purification. The structure of the system refers to the structure in Embodiment 1, the only difference being that the heating medium of the hot blast stove is blast furnace gas.
[0089] The regeneration method refers to the method in Example 1, the difference is only that: the adsorbent is the spherical activated carbon to be regenerated from the coke oven flue gas purification in the coking plant; the resolution temperature in the step (a) is 540 ° C; the step ( c) Pass nitrogen into the desorption tower 1 for purging to obtain the desorption gas, and control the SO in the desorption gas by controlling the amount of purge gas 2 The volume content of the gas is 20%, and the analytical gas passes through the purification device 7 to remove dust and then passes into the ammonium sulfate treatment section 4 to recover sulfur, and then enters the coke oven 5 for combustio...
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Abstract
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