1、 本 科 毕 业 设 计 说 明 书 某工某工厂有机废气厂有机废气处理处理设计设计 I 某工厂有机废气处理设计某工厂有机废气处理设计 摘 要:大气污染是我国目前最突出的环境问题之一,工业废气是大气污染物的重 要来源。大量工业废气排入大气,必然使大气环境质量下降,给人体健康带来严重危 害。 本设计利用填料式氢氧化钠洗涤和活性炭固定床吸附系统对工业有机废气进行净 化。选用填料式吸收塔气液之间扰动剧烈,吸收阻力小,吸收效率高,操作稳定有合 适的弹性。而在活性炭吸附器的设计上,本文采用了卧式多层设计。选用活性炭为吸 附剂,具有吸附性能好,流体阻力小的特点。 本设计主要设计五部分内容,包括有机废气的收集
2、、有机废气的处理、连接管道 的设计计算、辅助设备的设计计算以及相关设计图的绘制。其中还介绍了有机废气污 染现状与危害,处理的工艺流程和原理、相关的各种标准规则,以及设备的选型与尺 寸的计算和简要介绍了活性炭的再生。 关键词:工业有机废气;填料塔;固定床吸附器 II The organic waste gas treatment design of a factory Abstract: Air pollution is one of the countrys most prominent environmental issue,industrial emissions are an impor
3、tant source of atmospheric pollutants. A large number of industrial emissions into the atmosphere,is bound to the atmospheric environment quality and bring serious harm to human health.This design uses a packed-type washing of sodium hydroxide and activated carbon fixed bed adsorption system of indu
4、strial organic waste gas purification.Choosing packed-type absorber, the disturbances between the gas-liquid is violented,absorption of small resistance, absorption of high efficiency, stable operation, and appropriate flexibility.Moreover the project choose activated carbon as sorbent, which has la
5、rge adsorption ability and low resistance. This design is designed of five parts,including collection of organic waste gas、 processing of organic waste gas、design and calculation of the connection pipe、design of auxiliary equipment and mapping of the relevant design. It also describes the current St
6、atus and hazards of organic pollution emissions,processing process and principles,A variety of related standard rules,and the selection and size calculation of equipment and brief introduction to the regeneration of activated carbon. Key words:volatie organic compounds;packed tower; the fixed-bed adsorption system i 目目 录录 第一章 绪论.1 1.1 概述1 1.1.1 有机废气的来源1 1.1.2 有机物对大气的破坏和对人类的危害1 1.2 有机废气治理