A clean drying room for plastic packaging barrels of electronic chemicals

Abstract

The invention discloses a clean drying room for electronic-chemical product plastic packaging barrels. A clean hot air box and a drying room body with a sealed inner cavity are included; a sealing door is arranged on the side face of the drying room body; a closed loop is formed between the clean hot air box and the drying room body; the gas inflow end of the clean hot air box is communicated withan air feeding pipe and an air exhausting pipe of the drying room body; the gas discharging end of the clean hot air box is communicated with an air inflow pipe of the drying room body through a draught fan and a pipeline; a filtering assembly, a heating assembly and a dehumidifying assembly are sequentially arranged from the gas inflow end of the clean hot air box to the gas discharging end of the clean hot air box; and the filtering assembly and the dehumidifying assembly are connected with the side wall of a box body of the clean hot air box in a sealed manner. According to the clean drying room for the electronic-chemical product plastic packaging barrels, due to the fact that the dehumidifying assembly is added in the clean hot air box, the humidity of air entering the drying room body is decreased; and under certain temperature and pressure, because of existence of certain gas and liquid balance, evaporation of water drops on the inner cores / or the surfaces of the packaging barrels is accelerated, and fast drying of the chemical product packaging barrels in the drying room body is facilitated.

Description

technical field [0001] The invention relates to the technical field of electronic chemical packaging, in particular to a clean drying room for electronic chemical plastic packaging barrels. Background technique [0002] The chemical discharge packaging is mainly packaged in plastic drums. After the plastic drums are recycled and cleaned, they are mainly dried in an oven or a drying room. A heating device is installed in the oven or drying room, and air is blown into the oven or drying room through an induced draft fan to replace The air with high water vapor content in the oven or drying room. However, compared to the packaging of electronics-grade chemicals, controlling the impurity content of packaging drums helps to ensure the high purity of chemicals. Therefore, the improved technical solution filters the introduced air to reduce the residual solid particles in the packaging barrel. However, since the real-time introduction of air will lead to unstable temperature dist...

AI Technical Summary

Problems solved by technology

However, since the real-time introduction of air will cause the temperature distribution in the oven or drying room to be unstable, and the high heat of the plastic barrel will accelerate the aging, so the drying temperature of the plastic barrel is required to be high, and the specific performance is that the drying temperature range is small

In addition, the drying temperature in the prior art is about 60°C. Since this temperature is far lower than the vaporization temperature of water, it takes a long time to dry a batch of packaging barrels.

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