Method for operating coating exhaust treatment system
A technology of exhaust gas treatment and operation method, which is applied in the direction of separation method, chemical instrument and method, and device for coating liquid on the surface, etc. It can solve the problems of difficult identification of system working status and management difficulties, and achieve the ratio of combustibles Effects of smaller increase range, avoidance of measurement error, and smaller deterioration range
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no. 1 Embodiment approach 〕
[0102] figure 1 Indicates a paint booth. In the painting booth 2 of the painting booth 1 , a painting robot R or an operator sprays and paints the objects W (automobile bodies in this example) sequentially transported into the room by the conveying device 3 .
[0103] The coating room 2 has a direction in which the object W to be coated is conveyed ( figure 1 The tunnel-like interior space extending in the depth direction).
[0104] In this painting booth 2, the temperature-humidity-adjusted ventilation air SA is blown downward from the entire surface of the ceiling portion 2a.
[0105] With the blowing of the ventilation air SA, the indoor air of the painting booth 2 including the excessively sprayed paint is exhausted as exhaust air EA to the exhaust chamber 4 below the painting booth via the grille floor 2b.
[0106] Such as figure 1 and figure 2 As shown, on both lateral sides of the exhaust chamber 4, filter devices 5 are arranged in a row in the longitudinal dir...
no. 2 Embodiment approach 〕
[0229] The exhaust gas treatment system of the second embodiment has the same system configuration as that of the exhaust gas treatment system of the first embodiment ( Figure 5 shown system configuration), but in this operation, only the operation patterns of the first operation and the second operation are different.
[0230] Figure 7 It is a figure which shows the operation pattern of the 1st operation and the 2nd operation of the painting exhaust treatment system of 2nd Embodiment graphically, and the 1st operation is shown by the arrow of a solid line, and the arrow of the 2nd operation is shown by the dotted line.
[0231] as it should Figure 7 As shown, in the painting exhaust treatment system of the second embodiment, following the first operation (in this example, the first operation on the fifth day) in which the number of repetitions n1 reaches approximately half of the set number ns In the second operation to be performed (in this example, the second operation...
no. 3 Embodiment approach 〕
[0237] Figure 8 The overall configuration of the painting exhaust treatment system of the third embodiment is shown.
[0238] Like the first and second embodiments, in this painting exhaust treatment system, 5A and 5B are filter devices 5 installed in two painting process parts in the painting booth 1 .
[0239] These two filter devices 5A and 5B each include the above-mentioned parallel exhaust treatment air duct fs.
[0240] And, for each of these exhaust gas treatment air paths fs, the powder P from the coating booth is circulated in the order of the powder nozzle 11 → the filter 8 → the receiving hopper 14 → the powder box 16 → the powder supply path 21 . 2 Exhaust air contained in the EA traps excess spray paint.
[0241] Reference numeral 25 designates a supply tank for supplying the powder P to the plurality of powder tanks 16 in the two filter devices 5A, 5B via the powder supply path 26 .
[0242] Reference numeral 23 denotes a transfer box for recovering the powd...
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