21-05-2014 дата публикации
Номер: CN103808595A
Принадлежит:
The invention relates to a device for collecting and analyzing VOC (Volatile Organic Compounds) released in an asphalt mixture forming process. The device is characterized by comprising a sealing box, a motor, a stirrer, a glass fiber filter membrane, a sampling pump, a stirring pot, an organic solvent container, a first pipe and a second pipe, wherein the stirring pot is arranged in the sealing box, and the lower part of the stirrer is located in the stirring pot; one end of the first pipe is communicated with a closed space in the sealing box, the other end of the first pipe is communicated with the airtight organic solvent container, an air pressure valve and the fiber filter membrane are arranged on the first pipe, and the airtight organic solvent container is internally filled with an organic solvent; one end of the second pipe is communicated with the airtight organic solvent container, and the sampling pump is arranged on the second pipe. The device has the beneficial effects that ...
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