Recovery device for waste heat of flue gas treatment
A waste heat recovery device and flue gas treatment technology are applied in the directions of pretreatment surface, device for coating liquid on surface, lighting and heating equipment, etc. Cost reduction, good waste heat recovery and utilization
Active Publication Date: 2012-10-10
JIANGSU HAILU TECH
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Problems solved by technology
[0002] The heat of the passivation furnace, primer oven and top coating oven on the traditional coating line is new heat, and the cost is high. The flue gas of the primer oven and the top coating oven is usually discharged directly, because it contains harmful Gas, which pollutes the environment seriously, makes the quality of flue gas treatment in the coating line unqualified, waste heat recovery and utilization are poor, and production costs are greatly increased
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[0031] see figure 1 , a waste heat recovery device for flue gas treatment related to the present invention, which includes a passivation coating oven 1, a primer coating oven 2, a surface coating oven 3, a waste heat heating device 4, an incinerator 5 connected in sequence, a heating chamber 6 and a mixed air chamber 7, the air inlet of the incinerator 5 leads to a first pipeline 8, the front exhaust port and the rear exhaust port of the primer oven 2 and the front exhaust port of the surface coating oven 3 all pass through the pipeline and The first pipeline 8 is connected, the first pipeline 8 is provided with a fan 9, the exhaust port of the heating chamber 6 leads to a second pipeline 10, and the second pipeline 10 leads to three pipelines, and the three pipelines Respectively connected to the air inlets of the front section, middle section and rear section of the surface coating oven 3, the second pipeline 10 is provided with a first regulating valve 11, and the rear exha...
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The invention relates to a recovery device for waste heat of flue gas treatment, which comprises a blunt coating oven (1), a prime coat oven (2), a topcoat oven (3), a waste heat heating device (4), an incinerator (5), a heating chamber (6) and an air mixing chamber (7). The recovery device is characterized in that an exhaust port of the prime coat oven (2) and a front exhaust port of the topcoatoven (3) are connected with a first pipeline (8) extracted from a suction port of the incinerator (5); a second pipeline (10) extracted from an exhaust port of the heating chamber (6) is connected with a suction port of the topcoat oven (3); an exhaust pipeline (12) extracted from an exhaust port of the air mixing chamber (7) is connected with suction ports of the waste heat heating device (4) and the prime coat oven (2); a water pipe heat exchanger (13) is arranged in the waste heat heating device (4); and the water pipe heat exchanger (13) is connected with a workshop water pipe (14). By using the recovery device for waste heat of flue gas treatment provided by the invention, the flue gas treatment for coating lines is qualified, the waste heat is more effectively recycled and the production cost is greatly lowered.
Description
technical field [0001] The invention relates to a flue gas treatment waste heat recovery device, which belongs to the technical field of flue gas treatment. Background technique [0002] The heat of the passivation furnace, primer oven and top coating oven on the traditional coating line is new heat, and the cost is high. The flue gas of the primer oven and the top coating oven is usually discharged directly, because it contains harmful Gas, which pollutes the environment heavily, makes the quality of flue gas treatment in the coating line unqualified, the recovery and utilization of waste heat is poor, and the production cost is greatly increased. Contents of the invention [0003] The object of the present invention is to overcome the above disadvantages, and provide a waste heat recovery device for flue gas treatment that makes the quality of the flue gas treatment of the coating line pass the standard, the waste heat recovery is better, and the production cost is great...
Claims
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IPC IPC(8): B05D3/02F23G7/06
CPCY02P70/10
Inventor 张衡张益民朱选青张刚
Owner JIANGSU HAILU TECH