| abstract |
The invention discloses a waste formaldehyde recovery system which comprises a collection pool, wherein the upper end of the collection pool is connected with the lower end of a preheater through a pipeline, the upper end of the preheater is connected with the lower end of a heater through a flange, the upper end of the heater is connected with the upper end of a filter tank through a pipeline, the lower end of the filter tank is connected with a booster pump through a pipeline, the booster pump is connected with the lower end of a formaldehyde recovery tower through a pipeline, the top of the formaldehyde recovery tower is connected with the upper end of the recovery tank through a pipeline, the lower end of the recovery tank is connected with a liquid discharge pump through a pipeline, and the liquid discharge pump is provided with a liquid discharge pipe. This useless formaldehyde recovery system can produce the formaldehyde of overflow and leakage with the formaldehyde device and retrieve, applicable multiple environment to reach the purpose of avoiding the waste of formaldehyde, avoiding among the useless formaldehyde treatment process to environment and people's injury, reduction in production cost. |