1、 working principle of septic tank:
all of these have traditionally been classified as three compartment septic tanks, according to the company. fresh feces are collected from a pool in the toilet pipe. the manure in the pool produces biogas, which begins to ferment and differentiate. due to the different specific gravity, feces can be divided into three layers, the upper layer is relatively thick waste, the bottom layer is massive or granular waste, and the middle layer is relatively clear fecal liquid. the fecal residue at the top and bottom contains more bacteria and parasite eggs, while the middle layer contains less eggs.
2、 septic tank finishing procedure:
hook and open the cover plate of the septic tank for 15 minutes, drive the manure suction truck to the operation site, put the manure suction pipe into the septic tank, mix the fecal adhesive layer in the septic tank with a shovel, drain water while mixing, start the switch of the manure suction truck, suck out the feces until the adhesive in the septic tank stops sucking, cover the septic tank cover plate, and flush the operation site with clean water.
3、 safety precautions for septic tank arrangement:
the septic tank finishing company said that the biogas in the tank is flammable and explosive, and should be operated after the biogas is sufficient, and there should be no open fire around. when sucking feces, avoid soiling clothes in the workplace and passers-by. after removing the cover, a special person should be responsible for the completion of the back cover and cover to prevent pedestrians from falling in.
4、 cost accounting of septic tank finishing:
1. septic tank layout of sanitation manure truck: a. calculate by vehicle; b. calculate according to the size of septic tank. 2. manual arrangement of septic tank site quotation.
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