1、會計學1國外污泥處理圖片精選播放國外污泥處理圖片精選播放第1頁/共28頁Sludge pumpsM3/h meteringWaste waterHeated Anaerobic digesterNot heated Anaerobic digesterPre settlerGas inlet (to active system)Gas reservoirSludgeWater第2頁/共28頁第3頁/共28頁第4頁/共28頁第5頁/共28頁Blow in biogasTo be heated sludgeBiogasHeaterGas compressorSludge pumpHeat exch

2、angerHeat water pumpHeated sludgeHeating equipment buildingHeated Anaerobic digesterNot heated Anaerobic digester第6頁/共28頁第7頁/共28頁Heat exchanger used for heating digesting sludgeSchematic diagram of spiral typePictorial viewSchematic of a water bath heat exchanger第8頁/共28頁第9頁/共28頁第10頁/共28頁第11頁/共28頁第12

3、頁/共28頁Capacity: 1 million peopleDigesters第13頁/共28頁dewateringPre settelerseperatorbuffertankDigesterAfter dewateringDigesterprim. sludge After dewateringExample of Proces flow sludge treatmentTank / elevatorDry sludge to:- Farmers (depends on quality)- Concrete factory (fuel)- Power station (fuel)Red

4、uction of sludge:30 40 % by 20% dry solid (depends on type of sludge第14頁/共28頁第15頁/共28頁脫水預沉池泥水分離器泥水分離器緩沖池消化器后脫水后脫水消化器初污泥 后脫水后脫水Example of Proces flow sludge treatment儲氣罐儲氣罐/ 提升機提升機Dry sludge to:- Farmers (depends on quality)- Concrete factory (fuel)- Power station (fuel)Reduction of sludge:30 40 % by

5、 20% dry solid (depends on type of sludge第16頁/共28頁第17頁/共28頁After dewatering/thickeners (band system)第18頁/共28頁第19頁/共28頁Dry SludgeTransport by truck第20頁/共28頁第21頁/共28頁第22頁/共28頁第23頁/共28頁Sludge pumpsM3/h meteringWaste waterHeated Anaerobic digesterNot heated Anaerobic digesterPre settlerGas inlet (to active system)Gas reservoirSludgeWater第24頁/共28頁Sludge pumpsM3/h meteringWaste waterHeated Anaerobic digesterNot heated Anaerobic digesterPre settlerGa