Because the sewage unit in order to confirm the sampling frequency of self-monitoring, should be encrypted in the normal production conditions of a production cycle monitoring: the cycle in 8h or less, every hour to take a sample, the cycle is greater than 8h, every 2h to take a sample, but the number of samples for each production cycle is not less than 3 times.
The sewage treatment station equipment can be buried in the ground to set up a complete set of organic wastewater treatment devices, that is, carbon steel anti-corrosion as the main raw material of the ZWF-type series of sewage treatment equipment.