Recovery device for waste heat generated during treatment for flue gas of surface-coating drying oven
A waste heat recovery device and flue gas treatment technology, which is applied to the surface coating liquid device, pretreatment surface, coating, etc., can solve the problems of poor waste heat recovery and utilization, increased production costs, environmental pollution, etc., and achieve waste heat recovery Effective utilization and reduced production costs
Active Publication Date: 2013-07-24
JIANGSU HAILU TECH
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Problems solved by technology
[0002] The heat of the passivation furnace, the primer oven and the top coating oven on the traditional coating line is new heat, and the cost is high, and the flue gas of the top coating oven is usually discharged directly. The environmental pollution is serious, so that the quality of flue gas treatment in the coating line is not up to standard, the recovery and utilization of waste heat is poor, and the production cost is greatly increased
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[0021] see figure 1 , a surface coating oven flue gas treatment waste heat recovery device related to the present invention, it includes a surface coating oven 1 and an incinerator 2 connected in sequence, a heating chamber 3 and an air mixing chamber 4, the front exhaust of the surface coating oven 1 The mouth is connected with the air inlet of the incinerator 2 through a first pipe 5, the first pipe 5 is provided with a fan 6, and the exhaust port of the heating chamber 3 leads to a second pipe 7, the first Three branch pipes 10 are drawn from the two pipes 7, and the three branch pipes 10 are respectively connected to the air inlets of the front section, the middle section and the back section of the surface coating oven 1, and the second pipe 7 is provided with a regulating valve 8, and the said second pipe 7 is provided with a regulating valve 8. The rear exhaust port of the surface coating oven 1 is connected to the air inlet of the air mixing chamber 4 through a third p...
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The invention relates to recovery device for waste heat generated during treatment for flue gas of a surface-coating drying oven. The recovery device comprises the surface-coating drying oven (1), an incinerator (2), a heating chamber (3) and an air mixing chamber (4), and the incinerator (2), the heating chamber (3) and the air mixing chamber (4) are sequentially communicated. The heat recovery device is characterized in that a front exhaust port of the surface-coating drying oven (1) is connected with a gas inlet of the incinerator (2) by a first pipeline (5), a fan (6) is arranged on the first pipeline (5), a second pipeline (7) is led out from an exhaust port of the heating chamber (3), three branches (10) are led out from the second pipeline (7) and are respectively connected with gas inlets of the front section, the middle section and the rear section of the surface-coating drying oven (1), and a rear exhaust port of the surface-coating drying oven (1) is connected with a gas inlet of the air mixing chamber (4) by a third pipeline (9). By the aid of the recovery device, the quality of flue gas treatment of a coating line meets requirements, the waste heat is effectively recovered and utilized, and production cost is greatly lowered.
Description
technical field [0001] The invention relates to a waste heat recovery device for flue gas treatment of a surface coating oven, belonging to the technical field of flue gas treatment. Background technique [0002] The heat of the passivation furnace, the primer oven and the top coating oven on the traditional coating line are all new heat, and the cost is high, and the flue gas of the top coating oven is usually discharged directly. The environmental pollution is serious, so that the quality of flue gas treatment in the coating line is not up to standard, the recovery and utilization of waste heat is poor, and the production cost is greatly increased. Contents of the invention [0003] The purpose of the present invention is to overcome the above disadvantages, and provide a surface coating oven flue gas treatment waste heat recovery device which can make the quality of the flue gas treatment of the coating line pass the standard, the waste heat recovery and utilization is ...
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