大气污染控制Lecture 9-2 Control of Primary Particulates.pptVIP

Air Pollution Lecture 9-2 Control of Primary Particulates Ⅰ Types of Particles collection devices HHD型宽间距卧式电除尘器 宽间距卧式电除尘器 Ⅰ Types of Particles collection devices LSB 型布袋除尘器 LYDZA 型布袋除尘器 旋风水膜脱硫除尘器 高效脱硫消烟除尘器 The general idea of Dividing collection devices Ⅱ Surface Filter (1) Particles collecting process by the surface filter 布袋除尘器结构 (2) Two typical bag houses (2) Two typical bag houses Page 261, Fig. 9.5 LDB 型布袋除尘器 LPP系列脉冲袋式除尘器 LPJ系列高压喷管脉冲袋除尘器 PPC系列气箱脉冲袋收尘器 玻纤袋收尘器 LFSF型反吹风玻纤袋除尘器 LCXS 型玻纤袋收尘器 (3) collected efficiency (3) collected efficiency m — mass of solids removed,which is the collected particles on the surface of filter. Effect of fabric loading and face velocity on collected efficiency Effect of fabric loading and face velocity on collected efficiency Effect of fabric loading Effect of superficial velocity (vs) Ⅲ Depth Filter (1) Depth filter model (1) Depth filter model (2) Inertial Impaction ② resisting force (inertial force) (2) Inertial Impaction (2) Inertial Impaction (2) Inertial Impaction (2) Inertial Impaction (2) Inertial Impaction Target efficiency (ηt) Target efficiency (ηt) (2) Inertial Impaction (2) Inertial Impaction (3) Diffusion collection mechanism and interception mechanism (3) Diffusion collection mechanism and interception mechanism (3) Diffusion collection mechanism and interception mechanism (3) Diffusion collection mechanism and interception mechanism (3) Diffusion collection mechanism and interception mechanism (3) Diffusion collection mechanism and interception mechanism (4) Comparison of collection mechanisms Ⅳ Scrubbers for particulate control Ⅳ Scrubbers for particulate control Ⅳ Scrubbers for particulate control ① Making the water drops and the particles touch each other, the particles will be caught on the drop. (2) The types of scrubbers (2) The types of scrubbers (2) The types of scrubbers (2) The types of scrubbers 旋风水膜脱硫除尘器 高效脱硫消烟除尘器 Ⅴ Summary This Lecture and the Next Lecture Exerciser DISCUSSION Depth filter