2, you can let the local dung suction car suck the dung in the septic tank.
3. The manure in septic tank can be used as organic fertilizer and directly irrigated on the land where crops are planted. All farmers who have rebuilt septic tanks must pay attention to cleaning the septic tanks when they are full, otherwise it will pollute the surrounding air and land. In general, the cleaning time of septic tanks is 90 days, 180 days and 360 days.
Matters needing attention in cleaning septic tank
1. Workers cleaning septic tanks must wear gas masks, protective clothing and safety belts. The safety belt should be tied with a rope that can bear about 100 kg, and the other end of the rope should be tied on the stairs outside the septic tank.
2. Keep 2-3 people above the septic tank, and pay attention to the situation in the septic tank at any time. If the situation in the septic tank is not good, the staff who clean the septic tank will be pulled out.
3. Septic tanks generally have three manhole covers, and all manhole covers have two small holes. Before cleaning, all the holes in the cover should be opened every 30 minutes or 60 minutes.
4. pry the manhole cover open with an iron hook, and flush the wellhead with fire water for about 30 minutes after opening, which can reduce the biogas in the septic tank.
Insert a bamboo pole about 5 meters long into the septic tank to know how deep the fecal sewage in the septic tank is.