Method for cycle collection of exhaust gas by adopting secondary adsorption
A technology of secondary adsorption and recycling, applied in separation methods, chemical instruments and methods, dispersed particle separation, etc., can solve the problem of high water content of recovered solvents and achieve the effect of avoiding enrichment
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Embodiment 1
[0037] as attached figure 1 As shown, the adsorption device of the present invention includes: a first adsorber 1, a second adsorber 2, a condenser 3, a desorption fan 4, a heater 5, an exhaust gas filter 6, a closed space 7, an exhaust gas circulation fan 8 and an exhaust gas Cooler 9, wherein the closed space 7 can be a drying box or a closed workshop, which has been described in detail in the content of the invention in this specification, and will not be repeated. In this embodiment, the closed space 7 uses a drying box .
[0038] as attached figure 1 , figure 2 As shown, in the exhaust gas adsorption and purification process, the exhaust valve A of the first adsorber, the exhaust valve B of the second adsorber, and the intake valve D of the first adsorber are opened, and the other valves are closed. Composed of drying box 7, exhaust gas circulation fan 8, exhaust gas cooler 9, first adsorber intake valve D, first adsorber 1, first adsorber exhaust valve A, second adso...
Embodiment 2
[0043] In the process of spraying paint, its diagrammatic structure and embodiment 1 are attached Figure 1 to Figure 4 They are all the same, except that the selection of the closed space 7 is different. Among them, the closed space 7 is a closed workshop. During the painting process, the closed workshop is the spray booth, and the recovered exhaust gas is sent to the spray booth to realize gas recycling;
[0044] In the process of leather processing, its schematic structure is the same as that of embodiment 1 Figure 1 to Figure 4 They are all the same, except that the selection of the closed space 7 is different. Among them, the closed space 7 is a closed workshop. In the leather processing process, the closed workshop is the leather processing workshop, and the recovered exhaust gas is sent to the leather processing workshop to realize gas recycle;
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