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传统化粪池的技术类型
技术类型
Technical type
传统化粪池的应用已经有一百多年历史，技术路线是污水和污泥接触的模式，沉积的污泥消化降解产生沼气、二氧化碳、硫化氢等消化气，消化气的上浮作用对污泥产生扰动，消化气对污泥的扰动作用能够让污泥与生物菌群的混合更充分，有助于消化降解。但底部污泥随消化气上升，气泡逸出后，污泥又重新向下沉淀，这些上升和沉淀的污泥又重新污染污水。
The traditional septic tank has been used for more than 100 years. The technical route is the mode of sewage and sludge contact. The digestion and degradation of the sludge produced digestible gas, such as methane, carbon dioxide, hydrogen sulfide and so on. The floating action of the digestive gas will disturb the sludge. The disturbance of the digestive gas to the sludge can make the sludge and the biological bacteria group. The mixture is more sufficient and helps to digest and degrade. However, when the bottom sludge rises with the digestion gas and the bubble escapes, the sludge will settle down again, and the sludge that rises and precipitates will pollute the sewage again.
在化粪池污水与污泥接触混合的技术模式下，影响化粪池的沉淀及出水水质，需要延长污水停留时间来改善沉淀效果及出水水质，污水停留时间一般为12-24小时。
In the technology model of septic tank sewage and sludge contact, the sedimentation and water quality of the septic tank should be affected by prolonging the retention time of the sewage to improve the precipitation effect and the water quality. The residence time of the sewage is generally 12-24 hours.
三相分离
Three phase separation
三相分离化粪池技术是在传统化粪池的基础上，保留了化粪池中泥水混合的优点，增加了“污水、污泥、消化气”三相分离的技术，在化粪池的出水端设置三相分离装置，使出水端的污泥、消化气与污水处理过程分离，避免气浮现象对污水处理的干扰。出水端的沉淀槽参照平流沉淀池技术标准，污水沉淀时间2小时之内。
On the basis of the traditional septic tank, the technology of three-phase septic tank retained the advantages of the mixing of mud and water in the septic tank, and increased the three-phase separation technology of "sewage, sludge and digestion gas". The three-phase separation device was set up in the effluent end of the septic tank, and the sludge, the digestive gas and the sewage treatment process were separated from the water end, and the gas was avoided. The disturbance of floating phenomenon to sewage treatment. The sedimentation tank at the outlet side is based on the horizontal sedimentation tank technology standard, and the sewage settling time is within 2 hours.
技术对比
Technical comparison
化粪池的容积由污水容积和污泥容积构成，三相分离化粪池中污水停留时间4-6小时，相对于泥水混合化粪池中污水停留时间12-24小时，通过缩短污水停留时间而节省了有效容积，所节省有效容积能够存储更多的污泥。
The capacity of the septic tank is composed of sewage volume and sludge volume. The sewage residence time in the three-phase septic tank is 4-6 hours, and the effective volume is saved by shortening the sewage residence time relative to 12-24 hours of sewage in the mixed septic tank of mud water, and the effective volume saved can store more sludge.
Technical type
传统化粪池的应用已经有一百多年历史，技术路线是污水和污泥接触的模式，沉积的污泥消化降解产生沼气、二氧化碳、硫化氢等消化气，消化气的上浮作用对污泥产生扰动，消化气对污泥的扰动作用能够让污泥与生物菌群的混合更充分，有助于消化降解。但底部污泥随消化气上升，气泡逸出后，污泥又重新向下沉淀，这些上升和沉淀的污泥又重新污染污水。
The traditional septic tank has been used for more than 100 years. The technical route is the mode of sewage and sludge contact. The digestion and degradation of the sludge produced digestible gas, such as methane, carbon dioxide, hydrogen sulfide and so on. The floating action of the digestive gas will disturb the sludge. The disturbance of the digestive gas to the sludge can make the sludge and the biological bacteria group. The mixture is more sufficient and helps to digest and degrade. However, when the bottom sludge rises with the digestion gas and the bubble escapes, the sludge will settle down again, and the sludge that rises and precipitates will pollute the sewage again.
在化粪池污水与污泥接触混合的技术模式下，影响化粪池的沉淀及出水水质，需要延长污水停留时间来改善沉淀效果及出水水质，污水停留时间一般为12-24小时。
In the technology model of septic tank sewage and sludge contact, the sedimentation and water quality of the septic tank should be affected by prolonging the retention time of the sewage to improve the precipitation effect and the water quality. The residence time of the sewage is generally 12-24 hours.
三相分离
Three phase separation
三相分离化粪池技术是在传统化粪池的基础上，保留了化粪池中泥水混合的优点，增加了“污水、污泥、消化气”三相分离的技术，在化粪池的出水端设置三相分离装置，使出水端的污泥、消化气与污水处理过程分离，避免气浮现象对污水处理的干扰。出水端的沉淀槽参照平流沉淀池技术标准，污水沉淀时间2小时之内。
On the basis of the traditional septic tank, the technology of three-phase septic tank retained the advantages of the mixing of mud and water in the septic tank, and increased the three-phase separation technology of "sewage, sludge and digestion gas". The three-phase separation device was set up in the effluent end of the septic tank, and the sludge, the digestive gas and the sewage treatment process were separated from the water end, and the gas was avoided. The disturbance of floating phenomenon to sewage treatment. The sedimentation tank at the outlet side is based on the horizontal sedimentation tank technology standard, and the sewage settling time is within 2 hours.
技术对比
Technical comparison
化粪池的容积由污水容积和污泥容积构成，三相分离化粪池中污水停留时间4-6小时，相对于泥水混合化粪池中污水停留时间12-24小时，通过缩短污水停留时间而节省了有效容积，所节省有效容积能够存储更多的污泥。
The capacity of the septic tank is composed of sewage volume and sludge volume. The sewage residence time in the three-phase septic tank is 4-6 hours, and the effective volume is saved by shortening the sewage residence time relative to 12-24 hours of sewage in the mixed septic tank of mud water, and the effective volume saved can store more sludge.
