A method for urban sewage treatment and resource recycling
A pretreatment technology for urban sewage and sewage, which is applied in water/sewage treatment, multi-stage water/sewage treatment, neutralized water/sewage treatment, etc. It can solve the problems of difficult dehydration and thorough degradation of sludge, and achieve viscous Reduced speed, less time-consuming, and lower costs
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Embodiment 1
[0034] A method for urban sewage treatment and resource recycling, comprising the following process steps:
[0035] (1) Sewage pretreatment, the municipal pipe network collects the dispersed urban sewage, collects the aggregate liquid, and performs sand and slag removal treatment on the sewage, and uses the neutralizing regulator sodium carbonate to adjust the pH of the sewage to 7.5, so that the SS value of the sewage is reduced to below 50mg / L, then use the height difference to make the sewage overflow into the sump, and the sewage will be continuously injected and stored in the sump. After the water is full, the supernatant will continue to overflow, and the overflowing sewage will flow into the sewage The water pipe and the sewage inlet pipe are connected to the water inlet distributor at the bottom of the electrolytic tank, so that the sewage is continuously injected into the bottom of the electrolytic tank from top to bottom and flows to various places at the bottom of th...
Embodiment 2
[0041] A method for urban sewage treatment and resource recycling, comprising the following process steps:
[0042](1) Sewage pretreatment, the municipal pipe network collects the dispersed urban sewage, collects the aggregate liquid, and then performs sand and slag removal treatment on the sewage, and uses the neutralizing agent lime milk to adjust the pH of the sewage to 8, so that the SS value of the sewage is reduced to less than 50mg / L, and then, use a high-performance, low-energy consumption and anti-corrosion horizontal stainless steel sewage pump to inject sewage into the sump, and the sewage in the sump is continuously injected and stored, and the supernatant overflows continuously after the water is full , the overflowing sewage flows into the sewage inlet pipe, and the sewage inlet pipe is connected to the water inlet distributor at the bottom of the electrolytic cell, so that the sewage is continuously injected into the bottom of the electrolytic cell from top to bo...
Embodiment 3
[0048] A method for urban sewage treatment and resource recycling, comprising the following process steps:
[0049] (1) Sewage pretreatment, the municipal pipe network collects the dispersed urban sewage, collects the aggregate liquid, and then performs sand and slag removal treatment on the sewage, and uses the neutralizing agent sodium hydroxide to adjust the pH of the sewage to 8.5, so that the SS value of the sewage Reduce to below 50mg / L, then, use high performance, low energy consumption and anti-corrosion engineering plastic sewage pump to inject sewage into the sump, the sump is continuously injected and stored sewage, and the supernatant overflows continuously after the water is full , the overflowing sewage flows into the sewage inlet pipe, and the sewage inlet pipe is connected to the water inlet distributor at the bottom of the electrolytic cell, so that the sewage is continuously injected into the bottom of the electrolytic cell from top to bottom and flows to each...
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