2)Before opening pig manure fermenter supply, check whether the cooling water is turned on and the temperature probe has entered the tank, otherwise the heating circuit will be burned out.
(https://www.casonmetalproducts.com/aerobic-vertical-fermentation-machine.html)
3)In pig manure fermenter process, we must keep the work table clean, clean up the used culture bottles and other items in time, and dry the spilled acid, alkali solution or water immediately.
4)Special care should be taken to pH electrodes and expensive components for tank installation, disassembly and sterilization.