摘要
　　　　　　　　　　　　　　　　　　　
　　　本設計對象為大連職業(yè)技術學院學生伙食中心通風、空調(diào)系統(tǒng),設計目標為讓就餐人員及工作人員，能夠獲得舒適的空氣環(huán)境。
　　　此次設計涉及的主要內(nèi)容有：負荷計算、新風量的確定、空氣處理過程的設計、氣流組織設計與計算、設備選型、水系統(tǒng)及風系統(tǒng)水力計算、衛(wèi)生間排風、烹飪間排風、系統(tǒng)控制的方案確定等
　　　本設計依據(jù)有關規(guī)范考慮節(jié)能和舒適性要求，對建筑的冷負荷、濕負荷進行計算，并根據(jù)負荷選擇空調(diào)設備，結合建筑特點與實際確定空調(diào)系統(tǒng)方案；在符合實際的基礎上盡量使系統(tǒng)有更強的功能性和操控性。
　　　

關鍵字：大連； 學生伙食中心；中央空調(diào)；全新風系統(tǒng)； 水冷



　　　　　　　　　　　　　　　　　Abstract
　　　The graduation project designs a ventilation air conditioning system for Guiyang, guizhou colleges student canteen building, so as to create a comfortable work environment for the stuff.
　　　It contains: cooling load calculation; the estimation of system zoning; the selection of refrigeration units; the selection of air conditioning equipments; the design of air duct system and calculation; the estimation of air distribution method and the selection of relevant equipments; the design of water system and its resistance analysis; the insulation of air duct plant and chilled water pipes; noise and vibration control; etc.
　　　According to some correlation standard, allow for energy safe and indoor comfort, According to the design of the air conditioning system of different function room into a return air all-air systems and smoke-expelling system.
　　　
Key words: official building; Central air conditioning;
　　　　　　　Fan coil units (FCUs)--fresh air system;
　　　　　　 The function compare.